Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

93 files changed, 19394 insertions, 0 deletions

diff --git a/plat/nvidia/tegra/common/aarch64/tegra_helpers.S b/plat/nvidia/tegra/common/aarch64/tegra_helpers.S
new file mode 100644
index 0000000..6c8c4f0
--- /dev/null
+++ b/plat/nvidia/tegra/common/aarch64/tegra_helpers.S
@@ -0,0 +1,428 @@
+/*
+ * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <assert_macros.S>
+#include <cortex_a57.h>
+#include <cpu_macros.S>
+
+#include <platform_def.h>
+#include <tegra_def.h>
+#include <tegra_platform.h>
+
+#define MIDR_PN_CORTEX_A57		0xD07
+
+/*******************************************************************************
+ * Implementation defined ACTLR_EL3 bit definitions
+ ******************************************************************************/
+#define ACTLR_ELx_L2ACTLR_BIT		(U(1) << 6)
+#define ACTLR_ELx_L2ECTLR_BIT		(U(1) << 5)
+#define ACTLR_ELx_L2CTLR_BIT		(U(1) << 4)
+#define ACTLR_ELx_CPUECTLR_BIT		(U(1) << 1)
+#define ACTLR_ELx_CPUACTLR_BIT		(U(1) << 0)
+#define ACTLR_ELx_ENABLE_ALL_ACCESS	(ACTLR_ELx_L2ACTLR_BIT | \
+					 ACTLR_ELx_L2ECTLR_BIT | \
+					 ACTLR_ELx_L2CTLR_BIT | \
+					 ACTLR_ELx_CPUECTLR_BIT | \
+					 ACTLR_ELx_CPUACTLR_BIT)
+
+	/* Global functions */
+	.globl	plat_is_my_cpu_primary
+	.globl	plat_my_core_pos
+	.globl	plat_get_my_entrypoint
+	.globl	plat_secondary_cold_boot_setup
+	.globl	platform_mem_init
+	.globl	plat_crash_console_init
+	.globl	plat_crash_console_putc
+	.globl	plat_crash_console_flush
+	.weak	plat_core_pos_by_mpidr
+	.globl	tegra_secure_entrypoint
+	.globl	plat_reset_handler
+
+	/* Global variables */
+	.globl	tegra_sec_entry_point
+	.globl	ns_image_entrypoint
+	.globl	tegra_bl31_phys_base
+	.globl	tegra_console_base
+
+	/* ---------------------
+	 * Common CPU init code
+	 * ---------------------
+	 */
+.macro	cpu_init_common
+
+	/* ------------------------------------------------
+	 * We enable procesor retention, L2/CPUECTLR NS
+	 * access and ECC/Parity protection for A57 CPUs
+	 * ------------------------------------------------
+	 */
+	mrs	x0, midr_el1
+	mov	x1, #(MIDR_PN_MASK << MIDR_PN_SHIFT)
+	and	x0, x0, x1
+	lsr	x0, x0, #MIDR_PN_SHIFT
+	cmp	x0, #MIDR_PN_CORTEX_A57
+	b.ne	1f
+
+	/* ---------------------------
+	 * Enable processor retention
+	 * ---------------------------
+	 */
+	mrs	x0, CORTEX_A57_L2ECTLR_EL1
+	mov	x1, #RETENTION_ENTRY_TICKS_512
+	bic	x0, x0, #CORTEX_A57_L2ECTLR_RET_CTRL_MASK
+	orr	x0, x0, x1
+	msr	CORTEX_A57_L2ECTLR_EL1, x0
+	isb
+
+	mrs	x0, CORTEX_A57_ECTLR_EL1
+	mov	x1, #RETENTION_ENTRY_TICKS_512
+	bic	x0, x0, #CORTEX_A57_ECTLR_CPU_RET_CTRL_MASK
+	orr	x0, x0, x1
+	msr	CORTEX_A57_ECTLR_EL1, x0
+	isb
+
+	/* -------------------------------------------------------
+	 * Enable L2 and CPU ECTLR RW access from non-secure world
+	 * -------------------------------------------------------
+	 */
+	mrs	x0, actlr_el3
+	mov	x1, #ACTLR_ELx_ENABLE_ALL_ACCESS
+	orr	x0, x0, x1
+	msr	actlr_el3, x0
+	mrs	x0, actlr_el2
+	mov	x1, #ACTLR_ELx_ENABLE_ALL_ACCESS
+	orr	x0, x0, x1
+	msr	actlr_el2, x0
+	isb
+
+	/* --------------------------------
+	 * Enable the cycle count register
+	 * --------------------------------
+	 */
+1:	mrs	x0, pmcr_el0
+	ubfx	x0, x0, #11, #5		// read PMCR.N field
+	mov	x1, #1
+	lsl	x0, x1, x0
+	sub	x0, x0, #1		// mask of event counters
+	orr	x0, x0, #0x80000000	// disable overflow intrs
+	msr	pmintenclr_el1, x0
+	msr	pmuserenr_el0, x1	// enable user mode access
+
+	/* ----------------------------------------------------------------
+	 * Allow non-privileged access to CNTVCT: Set CNTKCTL (Kernel Count
+	 * register), bit 1 (EL0VCTEN) to enable access to CNTVCT/CNTFRQ
+	 * registers from EL0.
+	 * ----------------------------------------------------------------
+	 */
+	mrs	x0, cntkctl_el1
+	orr	x0, x0, #EL0VCTEN_BIT
+	msr	cntkctl_el1, x0
+.endm
+
+	/* -----------------------------------------------------
+	 * unsigned int plat_is_my_cpu_primary(void);
+	 *
+	 * This function checks if this is the Primary CPU
+	 * -----------------------------------------------------
+	 */
+func plat_is_my_cpu_primary
+	mrs	x0, mpidr_el1
+	and	x0, x0, #(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)
+	cmp	x0, #TEGRA_PRIMARY_CPU
+	cset	x0, eq
+	ret
+endfunc plat_is_my_cpu_primary
+
+	/* ----------------------------------------------------------
+	 * unsigned int plat_my_core_pos(void);
+	 *
+	 * result: CorePos = CoreId + (ClusterId * cpus per cluster)
+	 * Registers clobbered: x0, x8
+	 * ----------------------------------------------------------
+	 */
+func plat_my_core_pos
+	mov	x8, x30
+	mrs	x0, mpidr_el1
+	bl	plat_core_pos_by_mpidr
+	ret	x8
+endfunc plat_my_core_pos
+
+	/* -----------------------------------------------------
+	 * unsigned long plat_get_my_entrypoint (void);
+	 *
+	 * Main job of this routine is to distinguish between
+	 * a cold and warm boot. If the tegra_sec_entry_point for
+	 * this CPU is present, then it's a warm boot.
+	 *
+	 * -----------------------------------------------------
+	 */
+func plat_get_my_entrypoint
+	adr	x1, tegra_sec_entry_point
+	ldr	x0, [x1]
+	ret
+endfunc plat_get_my_entrypoint
+
+	/* -----------------------------------------------------
+	 * void plat_secondary_cold_boot_setup (void);
+	 *
+	 * This function performs any platform specific actions
+	 * needed for a secondary cpu after a cold reset. Right
+	 * now this is a stub function.
+	 * -----------------------------------------------------
+	 */
+func plat_secondary_cold_boot_setup
+	mov	x0, #0
+	ret
+endfunc plat_secondary_cold_boot_setup
+
+	/* --------------------------------------------------------
+	 * void platform_mem_init (void);
+	 *
+	 * Any memory init, relocation to be done before the
+	 * platform boots. Called very early in the boot process.
+	 * --------------------------------------------------------
+	 */
+func platform_mem_init
+	mov	x0, #0
+	ret
+endfunc platform_mem_init
+
+	/* ---------------------------------------------------
+	 * Function to handle a platform reset and store
+	 * input parameters passed by BL2.
+	 * ---------------------------------------------------
+	 */
+func plat_reset_handler
+
+	/* ----------------------------------------------------
+	 * Verify if we are running from BL31_BASE address
+	 * ----------------------------------------------------
+	 */
+	adr	x18, bl31_entrypoint
+	mov	x17, #BL31_BASE
+	cmp	x18, x17
+	b.eq	1f
+
+	/* ----------------------------------------------------
+	 * Copy the entire BL31 code to BL31_BASE if we are not
+	 * running from it already
+	 * ----------------------------------------------------
+	 */
+	mov	x0, x17
+	mov	x1, x18
+	adr	x2, __RELA_END__
+	sub	x2, x2, x18
+_loop16:
+	cmp	x2, #16
+	b.lo	_loop1
+	ldp	x3, x4, [x1], #16
+	stp	x3, x4, [x0], #16
+	sub	x2, x2, #16
+	b	_loop16
+	/* copy byte per byte */
+_loop1:
+	cbz	x2, _end
+	ldrb	w3, [x1], #1
+	strb	w3, [x0], #1
+	subs	x2, x2, #1
+	b.ne	_loop1
+
+	/* ----------------------------------------------------
+	 * Jump to BL31_BASE and start execution again
+	 * ----------------------------------------------------
+	 */
+_end:	mov	x0, x20
+	mov	x1, x21
+	br	x17
+1:
+
+	/* -----------------------------------
+	 * derive and save the phys_base addr
+	 * -----------------------------------
+	 */
+	adr	x17, tegra_bl31_phys_base
+	ldr	x18, [x17]
+	cbnz	x18, 1f
+	adr	x18, bl31_entrypoint
+	str	x18, [x17]
+
+1:	cpu_init_common
+
+	ret
+endfunc plat_reset_handler
+
+	/* ------------------------------------------------------
+	 * int32_t plat_core_pos_by_mpidr(u_register_t mpidr)
+	 *
+	 * This function implements a part of the critical
+	 * interface between the psci generic layer and the
+	 * platform that allows the former to query the platform
+	 * to convert an MPIDR to a unique linear index. An error
+	 * code (-1) is returned in case the MPIDR is invalid.
+	 *
+	 * Clobbers: x0-x3
+	 * ------------------------------------------------------
+	 */
+func plat_core_pos_by_mpidr
+	lsr	x1, x0, #MPIDR_AFF0_SHIFT
+	and	x1, x1, #MPIDR_AFFLVL_MASK /* core id */
+	lsr	x2, x0, #MPIDR_AFF1_SHIFT
+	and	x2, x2, #MPIDR_AFFLVL_MASK /* cluster id */
+
+	/* core_id >= PLATFORM_MAX_CPUS_PER_CLUSTER */
+	mov	x0, #-1
+	cmp	x1, #(PLATFORM_MAX_CPUS_PER_CLUSTER - 1)
+	b.gt	1f
+
+	/* cluster_id >= PLATFORM_CLUSTER_COUNT */
+	cmp	x2, #(PLATFORM_CLUSTER_COUNT - 1)
+	b.gt	1f
+
+	/* CorePos = CoreId + (ClusterId * cpus per cluster) */
+	mov	x3, #PLATFORM_MAX_CPUS_PER_CLUSTER
+	mul	x3, x3, x2
+	add	x0, x1, x3
+
+1:
+	ret
+endfunc plat_core_pos_by_mpidr
+
+	/* ----------------------------------------
+	 * Secure entrypoint function for CPU boot
+	 * ----------------------------------------
+	 */
+func tegra_secure_entrypoint _align=6
+
+#if ERRATA_TEGRA_INVALIDATE_BTB_AT_BOOT
+
+	/* --------------------------------------------------------
+	 * Skip the invalidate BTB workaround for Tegra210B01 SKUs.
+	 * --------------------------------------------------------
+	 */
+	mov	x0, #TEGRA_MISC_BASE
+	add	x0, x0, #HARDWARE_REVISION_OFFSET
+	ldr	w1, [x0]
+	lsr	w1, w1, #CHIP_ID_SHIFT
+	and	w1, w1, #CHIP_ID_MASK
+	cmp	w1, #TEGRA_CHIPID_TEGRA21	/* T210? */
+	b.ne	2f
+	ldr	w1, [x0]
+	lsr	w1, w1, #MAJOR_VERSION_SHIFT
+	and	w1, w1, #MAJOR_VERSION_MASK
+	cmp	w1, #0x02			/* T210 B01? */
+	b.eq	2f
+
+	/* -------------------------------------------------------
+	 * Invalidate BTB along with I$ to remove any stale
+	 * entries from the branch predictor array.
+	 * -------------------------------------------------------
+	 */
+	mrs	x0, CORTEX_A57_CPUACTLR_EL1
+	orr	x0, x0, #1
+	msr	CORTEX_A57_CPUACTLR_EL1, x0	/* invalidate BTB and I$ together */
+	dsb	sy
+	isb
+	ic	iallu			/* actual invalidate */
+	dsb	sy
+	isb
+
+	mrs	x0, CORTEX_A57_CPUACTLR_EL1
+	bic	x0, x0, #1
+	msr	CORTEX_A57_CPUACTLR_EL1, X0	/* restore original CPUACTLR_EL1 */
+	dsb	sy
+	isb
+
+	.rept	7
+	nop				/* wait */
+	.endr
+
+	/* -----------------------------------------------
+	 * Extract OSLK bit and check if it is '1'. This
+	 * bit remains '0' for A53 on warm-resets. If '1',
+	 * turn off regional clock gating and request warm
+	 * reset.
+	 * -----------------------------------------------
+	 */
+	mrs	x0, oslsr_el1
+	and	x0, x0, #2
+	mrs	x1, mpidr_el1
+	bics	xzr, x0, x1, lsr #7	/* 0 = slow cluster or warm reset */
+	b.eq	restore_oslock
+	mov	x0, xzr
+	msr	oslar_el1, x0		/* os lock stays 0 across warm reset */
+	mov	x3, #3
+	movz	x4, #0x8000, lsl #48
+	msr	CORTEX_A57_CPUACTLR_EL1, x4	/* turn off RCG */
+	isb
+	msr	rmr_el3, x3		/* request warm reset */
+	isb
+	dsb	sy
+1:	wfi
+	b	1b
+
+	/* --------------------------------------------------
+	 * These nops are here so that speculative execution
+	 * won't harm us before we are done with warm reset.
+	 * --------------------------------------------------
+	 */
+	.rept	65
+	nop
+	.endr
+2:
+	/* --------------------------------------------------
+	 * Do not insert instructions here
+	 * --------------------------------------------------
+	 */
+#endif
+
+	/* --------------------------------------------------
+	 * Restore OS Lock bit
+	 * --------------------------------------------------
+	 */
+restore_oslock:
+	mov	x0, #1
+	msr	oslar_el1, x0
+
+	/* --------------------------------------------------
+	 * Get secure world's entry point and jump to it
+	 * --------------------------------------------------
+	 */
+	bl	plat_get_my_entrypoint
+	br	x0
+endfunc tegra_secure_entrypoint
+
+	.data
+	.align 3
+
+	/* --------------------------------------------------
+	 * CPU Secure entry point - resume from suspend
+	 * --------------------------------------------------
+	 */
+tegra_sec_entry_point:
+	.quad	0
+
+	/* --------------------------------------------------
+	 * NS world's cold boot entry point
+	 * --------------------------------------------------
+	 */
+ns_image_entrypoint:
+	.quad	0
+
+	/* --------------------------------------------------
+	 * BL31's physical base address
+	 * --------------------------------------------------
+	 */
+tegra_bl31_phys_base:
+	.quad	0
+
+	/* --------------------------------------------------
+	 * UART controller base for console init
+	 * --------------------------------------------------
+	 */
+tegra_console_base:
+	.quad	0
diff --git a/plat/nvidia/tegra/common/tegra_bl31_setup.c b/plat/nvidia/tegra/common/tegra_bl31_setup.c
new file mode 100644
index 0000000..6a3eae0
--- /dev/null
+++ b/plat/nvidia/tegra/common/tegra_bl31_setup.c
@@ -0,0 +1,366 @@
+/*
+ * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <stddef.h>
+#include <string.h>
+
+#include <platform_def.h>
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <bl31/bl31.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <cortex_a57.h>
+#include <denver.h>
+#include <drivers/console.h>
+#include <lib/mmio.h>
+#include <lib/utils.h>
+#include <lib/utils_def.h>
+#include <plat/common/platform.h>
+
+#include <memctrl.h>
+#include <profiler.h>
+#include <smmu.h>
+#include <tegra_def.h>
+#include <tegra_platform.h>
+#include <tegra_private.h>
+
+/* length of Trusty's input parameters (in bytes) */
+#define TRUSTY_PARAMS_LEN_BYTES	(4096*2)
+
+/*******************************************************************************
+ * Declarations of linker defined symbols which will help us find the layout
+ * of trusted SRAM
+ ******************************************************************************/
+IMPORT_SYM(uint64_t, __RW_START__,	BL31_RW_START);
+
+extern uint64_t tegra_bl31_phys_base;
+
+static entry_point_info_t bl33_image_ep_info, bl32_image_ep_info;
+static plat_params_from_bl2_t plat_bl31_params_from_bl2 = {
+	.tzdram_size = TZDRAM_SIZE
+};
+#ifdef SPD_trusty
+static aapcs64_params_t bl32_args;
+#endif
+
+/*******************************************************************************
+ * This variable holds the non-secure image entry address
+ ******************************************************************************/
+extern uint64_t ns_image_entrypoint;
+
+/*******************************************************************************
+ * Return a pointer to the 'entry_point_info' structure of the next image for
+ * security state specified. BL33 corresponds to the non-secure image type
+ * while BL32 corresponds to the secure image type.
+ ******************************************************************************/
+entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type)
+{
+	entry_point_info_t *ep =  NULL;
+
+	/* return BL32 entry point info if it is valid */
+	if (type == NON_SECURE) {
+		ep = &bl33_image_ep_info;
+	} else if ((type == SECURE) && (bl32_image_ep_info.pc != 0U)) {
+		ep = &bl32_image_ep_info;
+	}
+
+	return ep;
+}
+
+/*******************************************************************************
+ * Return a pointer to the 'plat_params_from_bl2_t' structure. The BL2 image
+ * passes this platform specific information.
+ ******************************************************************************/
+plat_params_from_bl2_t *bl31_get_plat_params(void)
+{
+	return &plat_bl31_params_from_bl2;
+}
+
+/*******************************************************************************
+ * Perform any BL31 specific platform actions. Populate the BL33 and BL32 image
+ * info.
+ ******************************************************************************/
+void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
+				u_register_t arg2, u_register_t arg3)
+{
+	struct tegra_bl31_params *arg_from_bl2 = (struct tegra_bl31_params *) arg0;
+	plat_params_from_bl2_t *plat_params = (plat_params_from_bl2_t *)arg1;
+	int32_t ret;
+
+	/*
+	 * For RESET_TO_BL31 systems, BL31 is the first bootloader to run so
+	 * there's no argument to relay from a previous bootloader. Platforms
+	 * might use custom ways to get arguments.
+	 */
+	if (arg_from_bl2 == NULL) {
+		arg_from_bl2 = plat_get_bl31_params();
+	}
+	if (plat_params == NULL) {
+		plat_params = plat_get_bl31_plat_params();
+	}
+
+	/*
+	 * Copy BL3-3, BL3-2 entry point information.
+	 * They are stored in Secure RAM, in BL2's address space.
+	 */
+	assert(arg_from_bl2 != NULL);
+	assert(arg_from_bl2->bl33_ep_info != NULL);
+	bl33_image_ep_info = *arg_from_bl2->bl33_ep_info;
+
+	if (arg_from_bl2->bl32_ep_info != NULL) {
+		bl32_image_ep_info = *arg_from_bl2->bl32_ep_info;
+#ifdef SPD_trusty
+		/* save BL32 boot parameters */
+		memcpy(&bl32_args, &arg_from_bl2->bl32_ep_info->args, sizeof(bl32_args));
+#endif
+	}
+
+	/*
+	 * Parse platform specific parameters
+	 */
+	assert(plat_params != NULL);
+	plat_bl31_params_from_bl2.tzdram_base = plat_params->tzdram_base;
+	plat_bl31_params_from_bl2.tzdram_size = plat_params->tzdram_size;
+	plat_bl31_params_from_bl2.uart_id = plat_params->uart_id;
+	plat_bl31_params_from_bl2.l2_ecc_parity_prot_dis = plat_params->l2_ecc_parity_prot_dis;
+	plat_bl31_params_from_bl2.sc7entry_fw_size = plat_params->sc7entry_fw_size;
+	plat_bl31_params_from_bl2.sc7entry_fw_base = plat_params->sc7entry_fw_base;
+
+	/*
+	 * It is very important that we run either from TZDRAM or TZSRAM base.
+	 * Add an explicit check here.
+	 */
+	if ((plat_bl31_params_from_bl2.tzdram_base != (uint64_t)BL31_BASE) &&
+	    (TEGRA_TZRAM_BASE != BL31_BASE)) {
+		panic();
+	}
+
+	/*
+	 * Enable console for the platform
+	 */
+	plat_enable_console(plat_params->uart_id);
+
+	/*
+	 * The previous bootloader passes the base address of the shared memory
+	 * location to store the boot profiler logs. Sanity check the
+	 * address and initialise the profiler library, if it looks ok.
+	 */
+	ret = bl31_check_ns_address(plat_params->boot_profiler_shmem_base,
+			PROFILER_SIZE_BYTES);
+	if (ret == (int32_t)0) {
+
+		/* store the membase for the profiler lib */
+		plat_bl31_params_from_bl2.boot_profiler_shmem_base =
+			plat_params->boot_profiler_shmem_base;
+
+		/* initialise the profiler library */
+		boot_profiler_init(plat_params->boot_profiler_shmem_base,
+				   TEGRA_TMRUS_BASE);
+	}
+
+	/*
+	 * Add timestamp for platform early setup entry.
+	 */
+	boot_profiler_add_record("[TF] early setup entry");
+
+	/*
+	 * Initialize delay timer
+	 */
+	tegra_delay_timer_init();
+
+	/* Early platform setup for Tegra SoCs */
+	plat_early_platform_setup();
+
+	/*
+	 * Add timestamp for platform early setup exit.
+	 */
+	boot_profiler_add_record("[TF] early setup exit");
+
+	INFO("BL3-1: Boot CPU: %s Processor [%lx]\n",
+	     (((read_midr() >> MIDR_IMPL_SHIFT) & MIDR_IMPL_MASK)
+	      == DENVER_IMPL) ? "Denver" : "ARM", read_mpidr());
+}
+
+#ifdef SPD_trusty
+void plat_trusty_set_boot_args(aapcs64_params_t *args)
+{
+	/*
+	* arg0 = TZDRAM aperture available for BL32
+	* arg1 = BL32 boot params
+	* arg2 = EKS Blob Length
+	* arg3 = Boot Profiler Carveout Base
+	*/
+	args->arg0 = bl32_args.arg0;
+	args->arg1 = bl32_args.arg2;
+
+	/* update EKS size */
+	args->arg2 = bl32_args.arg4;
+
+	/* Profiler Carveout Base */
+	args->arg3 = bl32_args.arg5;
+}
+#endif
+
+/*******************************************************************************
+ * Initialize the gic, configure the SCR.
+ ******************************************************************************/
+void bl31_platform_setup(void)
+{
+	/*
+	 * Add timestamp for platform setup entry.
+	 */
+	boot_profiler_add_record("[TF] plat setup entry");
+
+	/* Initialize the gic cpu and distributor interfaces */
+	plat_gic_setup();
+
+	/*
+	 * Setup secondary CPU POR infrastructure.
+	 */
+	plat_secondary_setup();
+
+	/*
+	 * Initial Memory Controller configuration.
+	 */
+	tegra_memctrl_setup();
+
+	/*
+	 * Late setup handler to allow platforms to performs additional
+	 * functionality.
+	 * This handler gets called with MMU enabled.
+	 */
+	plat_late_platform_setup();
+
+	/*
+	 * Add timestamp for platform setup exit.
+	 */
+	boot_profiler_add_record("[TF] plat setup exit");
+
+	INFO("BL3-1: Tegra platform setup complete\n");
+}
+
+/*******************************************************************************
+ * Perform any BL3-1 platform runtime setup prior to BL3-1 cold boot exit
+ ******************************************************************************/
+void bl31_plat_runtime_setup(void)
+{
+	/*
+	 * Platform specific runtime setup
+	 */
+	plat_runtime_setup();
+
+	/*
+	 * Add final timestamp before exiting BL31.
+	 */
+	boot_profiler_add_record("[TF] bl31 exit");
+	boot_profiler_deinit();
+}
+
+/*******************************************************************************
+ * Perform the very early platform specific architectural setup here. At the
+ * moment this only intializes the mmu in a quick and dirty way.
+ ******************************************************************************/
+void bl31_plat_arch_setup(void)
+{
+	uint64_t rw_start = BL31_RW_START;
+	uint64_t rw_size = BL_END - BL31_RW_START;
+	uint64_t rodata_start = BL_RO_DATA_BASE;
+	uint64_t rodata_size = BL_RO_DATA_END - BL_RO_DATA_BASE;
+	uint64_t code_base = BL_CODE_BASE;
+	uint64_t code_size = BL_CODE_END - BL_CODE_BASE;
+	const mmap_region_t *plat_mmio_map = NULL;
+	const plat_params_from_bl2_t *params_from_bl2 = bl31_get_plat_params();
+
+	/*
+	 * Add timestamp for arch setup entry.
+	 */
+	boot_profiler_add_record("[TF] arch setup entry");
+
+	/* add MMIO space */
+	plat_mmio_map = plat_get_mmio_map();
+	if (plat_mmio_map != NULL) {
+		mmap_add(plat_mmio_map);
+	} else {
+		WARN("MMIO map not available\n");
+	}
+
+	/* add memory regions */
+	mmap_add_region(rw_start, rw_start,
+			rw_size,
+			MT_MEMORY | MT_RW | MT_SECURE);
+	mmap_add_region(rodata_start, rodata_start,
+			rodata_size,
+			MT_RO_DATA | MT_SECURE);
+	mmap_add_region(code_base, code_base,
+			code_size,
+			MT_CODE | MT_SECURE);
+
+	/* map TZDRAM used by BL31 as coherent memory */
+	if (TEGRA_TZRAM_BASE == tegra_bl31_phys_base) {
+		mmap_add_region(params_from_bl2->tzdram_base,
+				params_from_bl2->tzdram_base,
+				BL31_SIZE,
+				MT_DEVICE | MT_RW | MT_SECURE);
+	}
+
+	/* set up translation tables */
+	init_xlat_tables();
+
+	/* enable the MMU */
+	enable_mmu_el3(0);
+
+	/*
+	 * Add timestamp for arch setup exit.
+	 */
+	boot_profiler_add_record("[TF] arch setup exit");
+
+	INFO("BL3-1: Tegra: MMU enabled\n");
+}
+
+/*******************************************************************************
+ * Check if the given NS DRAM range is valid
+ ******************************************************************************/
+int32_t bl31_check_ns_address(uint64_t base, uint64_t size_in_bytes)
+{
+	uint64_t end = base + size_in_bytes - U(1);
+
+	/*
+	 * Sanity check the input values
+	 */
+	if ((base == 0U) || (size_in_bytes == 0U)) {
+		ERROR("NS address 0x%" PRIx64 " (%" PRId64 " bytes) is invalid\n",
+			base, size_in_bytes);
+		return -EINVAL;
+	}
+
+	/*
+	 * Check if the NS DRAM address is valid
+	 */
+	if ((base < TEGRA_DRAM_BASE) || (base >= TEGRA_DRAM_END) ||
+	    (end > TEGRA_DRAM_END)) {
+
+		ERROR("NS address 0x%" PRIx64 " is out-of-bounds!\n", base);
+		return -EFAULT;
+	}
+
+	/*
+	 * TZDRAM aperture contains the BL31 and BL32 images, so we need
+	 * to check if the NS DRAM range overlaps the TZDRAM aperture.
+	 */
+	if ((base < (uint64_t)TZDRAM_END) && (end > tegra_bl31_phys_base)) {
+		ERROR("NS address 0x%" PRIx64 " overlaps TZDRAM!\n", base);
+		return -ENOTSUP;
+	}
+
+	/* valid NS address */
+	return 0;
+}
diff --git a/plat/nvidia/tegra/common/tegra_common.mk b/plat/nvidia/tegra/common/tegra_common.mk
new file mode 100644
index 0000000..3791018
--- /dev/null
+++ b/plat/nvidia/tegra/common/tegra_common.mk
@@ -0,0 +1,59 @@
+#
+# Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+PLAT_INCLUDES		:=	-Iplat/nvidia/tegra/include/drivers \
+				-Iplat/nvidia/tegra/include/lib \
+				-Iplat/nvidia/tegra/include
+
+include lib/xlat_tables_v2/xlat_tables.mk
+PLAT_BL_COMMON_SOURCES	+=	${XLAT_TABLES_LIB_SRCS}
+
+TEGRA_COMMON		:=	plat/nvidia/tegra/common
+TEGRA_DRIVERS		:=	plat/nvidia/tegra/drivers
+TEGRA_LIBS		:=	plat/nvidia/tegra/lib
+
+# Include GICv3 driver files
+include drivers/arm/gic/v3/gicv3.mk
+TEGRA_GICv3_SOURCES	:=	$(GICV3_SOURCES)				\
+				plat/common/plat_gicv3.c			\
+				${TEGRA_COMMON}/tegra_gicv3.c
+
+# Include GICv2 driver files
+include drivers/arm/gic/v2/gicv2.mk
+
+TEGRA_GICv2_SOURCES	:=	${GICV2_SOURCES}				\
+				plat/common/plat_gicv2.c			\
+				${TEGRA_COMMON}/tegra_gicv2.c
+
+TEGRA_GICv3_SOURCES	:=	drivers/arm/gic/common/gic_common.c		\
+				drivers/arm/gic/v3/arm_gicv3_common.c		\
+				drivers/arm/gic/v3/gicv3_main.c			\
+				drivers/arm/gic/v3/gicv3_helpers.c		\
+				plat/common/plat_gicv3.c			\
+				${TEGRA_COMMON}/tegra_gicv3.c
+
+BL31_SOURCES		+=	drivers/delay_timer/delay_timer.c		\
+				drivers/io/io_storage.c				\
+				plat/common/aarch64/crash_console_helpers.S	\
+				${TEGRA_LIBS}/debug/profiler.c			\
+				${TEGRA_COMMON}/aarch64/tegra_helpers.S		\
+				${TEGRA_LIBS}/debug/profiler.c			\
+				${TEGRA_COMMON}/tegra_bl31_setup.c		\
+				${TEGRA_COMMON}/tegra_delay_timer.c		\
+				${TEGRA_COMMON}/tegra_fiq_glue.c		\
+				${TEGRA_COMMON}/tegra_io_storage.c		\
+				${TEGRA_COMMON}/tegra_platform.c		\
+				${TEGRA_COMMON}/tegra_pm.c			\
+				${TEGRA_COMMON}/tegra_sip_calls.c		\
+				${TEGRA_COMMON}/tegra_sdei.c
+
+ifneq ($(ENABLE_STACK_PROTECTOR), 0)
+BL31_SOURCES		+=	${TEGRA_COMMON}/tegra_stack_protector.c
+endif
+ifeq (${EL3_EXCEPTION_HANDLING},1)
+BL31_SOURCES		+=	plat/common/aarch64/plat_ehf.c
+endif
diff --git a/plat/nvidia/tegra/common/tegra_delay_timer.c b/plat/nvidia/tegra/common/tegra_delay_timer.c
new file mode 100644
index 0000000..d9547c4
--- /dev/null
+++ b/plat/nvidia/tegra/common/tegra_delay_timer.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+
+#include <drivers/delay_timer.h>
+#include <lib/mmio.h>
+#include <lib/utils_def.h>
+#include <plat/common/platform.h>
+
+#include <tegra_def.h>
+#include <tegra_private.h>
+
+static uint32_t tegra_timer_get_value(void)
+{
+	/* enable cntps_tval_el1 timer, mask interrupt */
+	write_cntps_ctl_el1(CNTP_CTL_IMASK_BIT | CNTP_CTL_ENABLE_BIT);
+
+	/*
+	 * Generic delay timer implementation expects the timer to be a down
+	 * counter. The value is clipped from 64 to 32 bits.
+	 */
+	return (uint32_t)(read_cntps_tval_el1());
+}
+
+/*
+ * Initialise the architecture provided counter as the delay timer.
+ */
+void tegra_delay_timer_init(void)
+{
+	static timer_ops_t tegra_timer_ops;
+
+	/* Value in ticks */
+	uint32_t multiplier = MHZ_TICKS_PER_SEC;
+
+	/* Value in ticks per second (Hz) */
+	uint32_t divider  = plat_get_syscnt_freq2();
+
+	/* Reduce multiplier and divider by dividing them repeatedly by 10 */
+	while (((multiplier % 10U) == 0U) && ((divider % 10U) == 0U)) {
+		multiplier /= 10U;
+		divider /= 10U;
+	}
+
+	/* enable cntps_tval_el1 timer, mask interrupt */
+	write_cntps_ctl_el1(CNTP_CTL_IMASK_BIT | CNTP_CTL_ENABLE_BIT);
+
+	/* register the timer */
+	tegra_timer_ops.get_timer_value = tegra_timer_get_value;
+	tegra_timer_ops.clk_mult = multiplier;
+	tegra_timer_ops.clk_div = divider;
+	timer_init(&tegra_timer_ops);
+}
diff --git a/plat/nvidia/tegra/common/tegra_fiq_glue.c b/plat/nvidia/tegra/common/tegra_fiq_glue.c
new file mode 100644
index 0000000..5309d98
--- /dev/null
+++ b/plat/nvidia/tegra/common/tegra_fiq_glue.c
@@ -0,0 +1,149 @@
+/*
+ * Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+
+#include <arch_helpers.h>
+#include <bl31/interrupt_mgmt.h>
+#include <bl31/ehf.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <context.h>
+#include <denver.h>
+#include <lib/el3_runtime/context_mgmt.h>
+#include <plat/common/platform.h>
+
+#if ENABLE_WDT_LEGACY_FIQ_HANDLING
+#include <flowctrl.h>
+#endif
+#include <tegra_def.h>
+#include <tegra_private.h>
+
+/* Legacy FIQ used by earlier Tegra platforms */
+#define LEGACY_FIQ_PPI_WDT		28U
+
+/*******************************************************************************
+ * Static variables
+ ******************************************************************************/
+static uint64_t ns_fiq_handler_addr;
+static uint32_t fiq_handler_active;
+static pcpu_fiq_state_t fiq_state[PLATFORM_CORE_COUNT];
+
+/*******************************************************************************
+ * Handler for FIQ interrupts
+ ******************************************************************************/
+static int tegra_fiq_interrupt_handler(unsigned int id, unsigned int flags,
+		void *handle, void *cookie)
+{
+	cpu_context_t *ctx = cm_get_context(NON_SECURE);
+	el3_state_t *el3state_ctx = get_el3state_ctx(ctx);
+	uint32_t cpu = plat_my_core_pos();
+
+	(void)flags;
+	(void)handle;
+	(void)cookie;
+
+	/*
+	 * Jump to NS world only if the NS world's FIQ handler has
+	 * been registered
+	 */
+	if (ns_fiq_handler_addr != 0U) {
+
+		/*
+		 * The FIQ was generated when the execution was in the non-secure
+		 * world. Save the context registers to start with.
+		 */
+		cm_el1_sysregs_context_save(NON_SECURE);
+
+		/*
+		 * Save elr_el3 and spsr_el3 from the saved context, and overwrite
+		 * the context with the NS fiq_handler_addr and SPSR value.
+		 */
+		fiq_state[cpu].elr_el3 = read_ctx_reg((el3state_ctx), (uint32_t)(CTX_ELR_EL3));
+		fiq_state[cpu].spsr_el3 = read_ctx_reg((el3state_ctx), (uint32_t)(CTX_SPSR_EL3));
+
+		/*
+		 * Set the new ELR to continue execution in the NS world using the
+		 * FIQ handler registered earlier.
+		 */
+		cm_set_elr_el3(NON_SECURE, ns_fiq_handler_addr);
+	}
+
+#if ENABLE_WDT_LEGACY_FIQ_HANDLING
+	/*
+	 * Tegra platforms that use LEGACY_FIQ as the watchdog timer FIQ
+	 * need to issue an IPI to other CPUs, to allow them to handle
+	 * the "system hung" scenario. This interrupt is passed to the GICD
+	 * via the Flow Controller. So, once we receive this interrupt,
+	 * disable the routing so that we can mark it as "complete" in the
+	 * GIC later.
+	 */
+	if (id == LEGACY_FIQ_PPI_WDT) {
+		tegra_fc_disable_fiq_to_ccplex_routing();
+	}
+#endif
+
+	/*
+	 * Mark this interrupt as complete to avoid a FIQ storm.
+	 */
+	plat_ic_end_of_interrupt(id);
+
+	return 0;
+}
+
+/*******************************************************************************
+ * Setup handler for FIQ interrupts
+ ******************************************************************************/
+void tegra_fiq_handler_setup(void)
+{
+	/* return if already registered */
+	if (fiq_handler_active == 0U) {
+		/*
+		 * Register an interrupt handler for FIQ interrupts generated for
+		 * NS interrupt sources
+		 */
+		ehf_register_priority_handler(PLAT_TEGRA_WDT_PRIO, tegra_fiq_interrupt_handler);
+
+		/* handler is now active */
+		fiq_handler_active = 1;
+	}
+}
+
+/*******************************************************************************
+ * Validate and store NS world's entrypoint for FIQ interrupts
+ ******************************************************************************/
+void tegra_fiq_set_ns_entrypoint(uint64_t entrypoint)
+{
+	ns_fiq_handler_addr = entrypoint;
+}
+
+/*******************************************************************************
+ * Handler to return the NS EL1/EL0 CPU context
+ ******************************************************************************/
+int32_t tegra_fiq_get_intr_context(void)
+{
+	cpu_context_t *ctx = cm_get_context(NON_SECURE);
+	gp_regs_t *gpregs_ctx = get_gpregs_ctx(ctx);
+	const el1_sysregs_t *el1state_ctx = get_el1_sysregs_ctx(ctx);
+	uint32_t cpu = plat_my_core_pos();
+	uint64_t val;
+
+	/*
+	 * We store the ELR_EL3, SPSR_EL3, SP_EL0 and SP_EL1 registers so
+	 * that el3_exit() sends these values back to the NS world.
+	 */
+	write_ctx_reg((gpregs_ctx), (uint32_t)(CTX_GPREG_X0), (fiq_state[cpu].elr_el3));
+	write_ctx_reg((gpregs_ctx), (uint32_t)(CTX_GPREG_X1), (fiq_state[cpu].spsr_el3));
+
+	val = read_ctx_reg((gpregs_ctx), (uint32_t)(CTX_GPREG_SP_EL0));
+	write_ctx_reg((gpregs_ctx), (uint32_t)(CTX_GPREG_X2), (val));
+
+	val = read_ctx_reg((el1state_ctx), (uint32_t)(CTX_SP_EL1));
+	write_ctx_reg((gpregs_ctx), (uint32_t)(CTX_GPREG_X3), (val));
+
+	return 0;
+}
diff --git a/plat/nvidia/tegra/common/tegra_gicv2.c b/plat/nvidia/tegra/common/tegra_gicv2.c
new file mode 100644
index 0000000..012107e
--- /dev/null
+++ b/plat/nvidia/tegra/common/tegra_gicv2.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <platform_def.h>
+
+#include <common/bl_common.h>
+#include <drivers/arm/gicv2.h>
+#include <lib/utils.h>
+#include <plat/common/platform.h>
+
+#include <tegra_private.h>
+#include <tegra_def.h>
+
+static unsigned int tegra_target_masks[PLATFORM_CORE_COUNT];
+
+/******************************************************************************
+ * Tegra common helper to setup the GICv2 driver data.
+ *****************************************************************************/
+void tegra_gic_setup(const interrupt_prop_t *interrupt_props,
+		     unsigned int interrupt_props_num)
+{
+	/*
+	 * Tegra GIC configuration settings
+	 */
+	static gicv2_driver_data_t tegra_gic_data;
+
+	/*
+	 * Register Tegra GICv2 driver
+	 */
+	tegra_gic_data.gicd_base = TEGRA_GICD_BASE;
+	tegra_gic_data.gicc_base = TEGRA_GICC_BASE;
+	tegra_gic_data.interrupt_props = interrupt_props;
+	tegra_gic_data.interrupt_props_num = interrupt_props_num;
+	tegra_gic_data.target_masks = tegra_target_masks;
+	tegra_gic_data.target_masks_num = ARRAY_SIZE(tegra_target_masks);
+	gicv2_driver_init(&tegra_gic_data);
+}
+
+/******************************************************************************
+ * Tegra common helper to initialize the GICv2 only driver.
+ *****************************************************************************/
+void tegra_gic_init(void)
+{
+	gicv2_distif_init();
+	gicv2_pcpu_distif_init();
+	gicv2_set_pe_target_mask(plat_my_core_pos());
+	gicv2_cpuif_enable();
+}
+
+/******************************************************************************
+ * Tegra common helper to disable the GICv2 CPU interface
+ *****************************************************************************/
+void tegra_gic_cpuif_deactivate(void)
+{
+	gicv2_cpuif_disable();
+}
+
+/******************************************************************************
+ * Tegra common helper to initialize the per cpu distributor interface
+ * in GICv2
+ *****************************************************************************/
+void tegra_gic_pcpu_init(void)
+{
+	gicv2_pcpu_distif_init();
+	gicv2_set_pe_target_mask(plat_my_core_pos());
+	gicv2_cpuif_enable();
+}
diff --git a/plat/nvidia/tegra/common/tegra_gicv3.c b/plat/nvidia/tegra/common/tegra_gicv3.c
new file mode 100644
index 0000000..cba2f9b
--- /dev/null
+++ b/plat/nvidia/tegra/common/tegra_gicv3.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+
+#include <common/bl_common.h>
+#include <drivers/arm/gicv3.h>
+#include <lib/utils.h>
+
+#include <plat/common/platform.h>
+#include <platform_def.h>
+#include <tegra_private.h>
+#include <tegra_def.h>
+
+/* The GICv3 driver only needs to be initialized in EL3 */
+static uintptr_t rdistif_base_addrs[PLATFORM_CORE_COUNT];
+
+static unsigned int plat_tegra_mpidr_to_core_pos(unsigned long mpidr)
+{
+	return (unsigned int)plat_core_pos_by_mpidr(mpidr);
+}
+
+/******************************************************************************
+ * Tegra common helper to setup the GICv3 driver data.
+ *****************************************************************************/
+void tegra_gic_setup(const interrupt_prop_t *interrupt_props,
+		     unsigned int interrupt_props_num)
+{
+	/*
+	 * Tegra GIC configuration settings
+	 */
+	static gicv3_driver_data_t tegra_gic_data;
+
+	/*
+	 * Register Tegra GICv3 driver
+	 */
+	tegra_gic_data.gicd_base = TEGRA_GICD_BASE;
+	tegra_gic_data.gicr_base = TEGRA_GICR_BASE;
+	tegra_gic_data.rdistif_num = PLATFORM_CORE_COUNT;
+	tegra_gic_data.rdistif_base_addrs = rdistif_base_addrs;
+	tegra_gic_data.mpidr_to_core_pos = plat_tegra_mpidr_to_core_pos;
+	tegra_gic_data.interrupt_props = interrupt_props;
+	tegra_gic_data.interrupt_props_num = interrupt_props_num;
+	gicv3_driver_init(&tegra_gic_data);
+
+	/* initialize the GICD and GICR */
+	tegra_gic_init();
+}
+
+/******************************************************************************
+ * Tegra common helper to initialize the GICv3 only driver.
+ *****************************************************************************/
+void tegra_gic_init(void)
+{
+	gicv3_distif_init();
+	gicv3_rdistif_init(plat_my_core_pos());
+	gicv3_cpuif_enable(plat_my_core_pos());
+}
+
+/******************************************************************************
+ * Tegra common helper to disable the GICv3 CPU interface
+ *****************************************************************************/
+void tegra_gic_cpuif_deactivate(void)
+{
+	gicv3_cpuif_disable(plat_my_core_pos());
+}
+
+/******************************************************************************
+ * Tegra common helper to initialize the per cpu distributor interface
+ * in GICv3
+ *****************************************************************************/
+void tegra_gic_pcpu_init(void)
+{
+	gicv3_rdistif_init(plat_my_core_pos());
+	gicv3_cpuif_enable(plat_my_core_pos());
+}
diff --git a/plat/nvidia/tegra/common/tegra_io_storage.c b/plat/nvidia/tegra/common/tegra_io_storage.c
new file mode 100644
index 0000000..21641aa
--- /dev/null
+++ b/plat/nvidia/tegra/common/tegra_io_storage.c
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2019, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <errno.h>
+#include <plat/common/platform.h>
+
+/*
+ * Return an IO device handle and specification which can be used to access
+ * an image. Use this to enforce platform load policy.
+ *
+ * This function is not supported at this time
+ */
+int plat_get_image_source(unsigned int image_id, uintptr_t *dev_handle,
+			  uintptr_t *image_spec)
+{
+	return -ENOTSUP;
+}
diff --git a/plat/nvidia/tegra/common/tegra_platform.c b/plat/nvidia/tegra/common/tegra_platform.c
new file mode 100644
index 0000000..f3aa3ea
--- /dev/null
+++ b/plat/nvidia/tegra/common/tegra_platform.c
@@ -0,0 +1,309 @@
+/*
+ * Copyright (c) 2016-2021, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020-2021, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <assert.h>
+#include <lib/mmio.h>
+#include <lib/smccc.h>
+#include <services/arm_arch_svc.h>
+#include <tegra_def.h>
+#include <tegra_platform.h>
+#include <tegra_private.h>
+
+/*******************************************************************************
+ * Tegra platforms
+ ******************************************************************************/
+typedef enum tegra_platform {
+	TEGRA_PLATFORM_SILICON = 0U,
+	TEGRA_PLATFORM_QT,
+	TEGRA_PLATFORM_FPGA,
+	TEGRA_PLATFORM_EMULATION,
+	TEGRA_PLATFORM_LINSIM,
+	TEGRA_PLATFORM_UNIT_FPGA,
+	TEGRA_PLATFORM_VIRT_DEV_KIT,
+	TEGRA_PLATFORM_MAX,
+} tegra_platform_t;
+
+/*******************************************************************************
+ * Tegra macros defining all the SoC minor versions
+ ******************************************************************************/
+#define TEGRA_MINOR_QT			U(0)
+#define TEGRA_MINOR_FPGA		U(1)
+#define TEGRA_MINOR_ASIM_QT		U(2)
+#define TEGRA_MINOR_ASIM_LINSIM		U(3)
+#define TEGRA_MINOR_DSIM_ASIM_LINSIM	U(4)
+#define TEGRA_MINOR_UNIT_FPGA		U(5)
+#define TEGRA_MINOR_VIRT_DEV_KIT	U(6)
+
+/*******************************************************************************
+ * Tegra macros defining all the SoC pre_si_platform
+ ******************************************************************************/
+#define TEGRA_PRE_SI_QT			U(1)
+#define TEGRA_PRE_SI_FPGA		U(2)
+#define TEGRA_PRE_SI_UNIT_FPGA		U(3)
+#define TEGRA_PRE_SI_ASIM_QT		U(4)
+#define TEGRA_PRE_SI_ASIM_LINSIM	U(5)
+#define TEGRA_PRE_SI_DSIM_ASIM_LINSIM	U(6)
+#define TEGRA_PRE_SI_VDK		U(8)
+
+/*
+ * Read the chip ID value
+ */
+static uint32_t tegra_get_chipid(void)
+{
+	return mmio_read_32(TEGRA_MISC_BASE + HARDWARE_REVISION_OFFSET);
+}
+
+/*
+ * Read the chip's major version from chip ID value
+ */
+uint32_t tegra_get_chipid_major(void)
+{
+	return (tegra_get_chipid() >> MAJOR_VERSION_SHIFT) & MAJOR_VERSION_MASK;
+}
+
+/*
+ * Read the chip's minor version from the chip ID value
+ */
+uint32_t tegra_get_chipid_minor(void)
+{
+	return (tegra_get_chipid() >> MINOR_VERSION_SHIFT) & MINOR_VERSION_MASK;
+}
+
+/*
+ * Read the chip's pre_si_platform valus from the chip ID value
+ */
+static uint32_t tegra_get_chipid_pre_si_platform(void)
+{
+	return (tegra_get_chipid() >> PRE_SI_PLATFORM_SHIFT) & PRE_SI_PLATFORM_MASK;
+}
+
+bool tegra_chipid_is_t186(void)
+{
+	uint32_t chip_id = (tegra_get_chipid() >> CHIP_ID_SHIFT) & CHIP_ID_MASK;
+
+	return (chip_id == TEGRA_CHIPID_TEGRA18);
+}
+
+bool tegra_chipid_is_t210(void)
+{
+	uint32_t chip_id = (tegra_get_chipid() >> CHIP_ID_SHIFT) & CHIP_ID_MASK;
+
+	return (chip_id == TEGRA_CHIPID_TEGRA21);
+}
+
+bool tegra_chipid_is_t210_b01(void)
+{
+	return (tegra_chipid_is_t210() && (tegra_get_chipid_major() == 0x2U));
+}
+
+bool tegra_chipid_is_t194(void)
+{
+	uint32_t chip_id = (tegra_get_chipid() >> CHIP_ID_SHIFT) & CHIP_ID_MASK;
+
+	return (chip_id == TEGRA_CHIPID_TEGRA19);
+}
+
+/*
+ * Read the chip ID value and derive the platform
+ */
+static tegra_platform_t tegra_get_platform(void)
+{
+	uint32_t major, minor, pre_si_platform;
+	tegra_platform_t ret;
+
+	/* get the major/minor chip ID values */
+	major = tegra_get_chipid_major();
+	minor = tegra_get_chipid_minor();
+	pre_si_platform = tegra_get_chipid_pre_si_platform();
+
+	if (major == 0U) {
+		/*
+		 * The minor version number is used by simulation platforms
+		 */
+		switch (minor) {
+		/*
+		 * Cadence's QuickTurn emulation system is a Solaris-based
+		 * chip emulation system
+		 */
+		case TEGRA_MINOR_QT:
+		case TEGRA_MINOR_ASIM_QT:
+			ret = TEGRA_PLATFORM_QT;
+			break;
+
+		/*
+		 * FPGAs are used during early software/hardware development
+		 */
+		case TEGRA_MINOR_FPGA:
+			ret = TEGRA_PLATFORM_FPGA;
+			break;
+		/*
+		 * Linsim is a reconfigurable, clock-driven, mixed RTL/cmodel
+		 * simulation framework.
+		 */
+		case TEGRA_MINOR_ASIM_LINSIM:
+		case TEGRA_MINOR_DSIM_ASIM_LINSIM:
+			ret = TEGRA_PLATFORM_LINSIM;
+			break;
+
+		/*
+		 * Unit FPGAs run the actual hardware block IP on the FPGA with
+		 * the other parts of the system using Linsim.
+		 */
+		case TEGRA_MINOR_UNIT_FPGA:
+			ret = TEGRA_PLATFORM_UNIT_FPGA;
+			break;
+		/*
+		 * The Virtualizer Development Kit (VDK) is the standard chip
+		 * development from Synopsis.
+		 */
+		case TEGRA_MINOR_VIRT_DEV_KIT:
+			ret = TEGRA_PLATFORM_VIRT_DEV_KIT;
+			break;
+
+		default:
+			ret = TEGRA_PLATFORM_MAX;
+			break;
+		}
+
+	} else if (pre_si_platform > 0U) {
+
+		switch (pre_si_platform) {
+		/*
+		 * Cadence's QuickTurn emulation system is a Solaris-based
+		 * chip emulation system
+		 */
+		case TEGRA_PRE_SI_QT:
+		case TEGRA_PRE_SI_ASIM_QT:
+			ret = TEGRA_PLATFORM_QT;
+			break;
+
+		/*
+		 * FPGAs are used during early software/hardware development
+		 */
+		case TEGRA_PRE_SI_FPGA:
+			ret = TEGRA_PLATFORM_FPGA;
+			break;
+		/*
+		 * Linsim is a reconfigurable, clock-driven, mixed RTL/cmodel
+		 * simulation framework.
+		 */
+		case TEGRA_PRE_SI_ASIM_LINSIM:
+		case TEGRA_PRE_SI_DSIM_ASIM_LINSIM:
+			ret = TEGRA_PLATFORM_LINSIM;
+			break;
+
+		/*
+		 * Unit FPGAs run the actual hardware block IP on the FPGA with
+		 * the other parts of the system using Linsim.
+		 */
+		case TEGRA_PRE_SI_UNIT_FPGA:
+			ret = TEGRA_PLATFORM_UNIT_FPGA;
+			break;
+		/*
+		 * The Virtualizer Development Kit (VDK) is the standard chip
+		 * development from Synopsis.
+		 */
+		case TEGRA_PRE_SI_VDK:
+			ret = TEGRA_PLATFORM_VIRT_DEV_KIT;
+			break;
+
+		default:
+			ret = TEGRA_PLATFORM_MAX;
+			break;
+		}
+
+	} else {
+		/* Actual silicon platforms have a non-zero major version */
+		ret = TEGRA_PLATFORM_SILICON;
+	}
+
+	return ret;
+}
+
+bool tegra_platform_is_silicon(void)
+{
+	return ((tegra_get_platform() == TEGRA_PLATFORM_SILICON) ? true : false);
+}
+
+bool tegra_platform_is_qt(void)
+{
+	return ((tegra_get_platform() == TEGRA_PLATFORM_QT) ? true : false);
+}
+
+bool tegra_platform_is_linsim(void)
+{
+	tegra_platform_t plat = tegra_get_platform();
+
+	return (((plat == TEGRA_PLATFORM_LINSIM) ||
+	       (plat == TEGRA_PLATFORM_UNIT_FPGA)) ? true : false);
+}
+
+bool tegra_platform_is_fpga(void)
+{
+	return ((tegra_get_platform() == TEGRA_PLATFORM_FPGA) ? true : false);
+}
+
+bool tegra_platform_is_emulation(void)
+{
+	return (tegra_get_platform() == TEGRA_PLATFORM_EMULATION);
+}
+
+bool tegra_platform_is_unit_fpga(void)
+{
+	return ((tegra_get_platform() == TEGRA_PLATFORM_UNIT_FPGA) ? true : false);
+}
+
+bool tegra_platform_is_virt_dev_kit(void)
+{
+	return ((tegra_get_platform() == TEGRA_PLATFORM_VIRT_DEV_KIT) ? true : false);
+}
+
+/*
+ * This function returns soc version which mainly consist of below fields
+ *
+ *  soc_version[30:24] = JEP-106 continuation code for the SiP
+ *  soc_version[23:16] = JEP-106 identification code with parity bit for the SiP
+ *  soc_version[0:15]  = chip identification
+ */
+int32_t plat_get_soc_version(void)
+{
+	uint32_t chip_id = ((tegra_get_chipid() >> CHIP_ID_SHIFT) & CHIP_ID_MASK);
+	uint32_t manfid = SOC_ID_SET_JEP_106(JEDEC_NVIDIA_BKID, JEDEC_NVIDIA_MFID);
+
+	return (int32_t)(manfid | (chip_id & SOC_ID_IMPL_DEF_MASK));
+}
+
+/*
+ * This function returns soc revision in below format
+ *
+ *   soc_revision[8:15] = major version number
+ *   soc_revision[0:7]  = minor version number
+ */
+int32_t plat_get_soc_revision(void)
+{
+	return (int32_t)(((tegra_get_chipid_major() << 8) | tegra_get_chipid_minor()) &
+			 SOC_ID_REV_MASK);
+}
+
+/*****************************************************************************
+ * plat_is_smccc_feature_available() - This function checks whether SMCCC feature
+ *                                  is availabile for the platform or not.
+ * @fid: SMCCC function id
+ *
+ * Return SMC_ARCH_CALL_SUCCESS if SMCCC feature is available and
+ * SMC_ARCH_CALL_NOT_SUPPORTED otherwise.
+ *****************************************************************************/
+int32_t plat_is_smccc_feature_available(u_register_t fid)
+{
+	switch (fid) {
+	case SMCCC_ARCH_SOC_ID:
+		return SMC_ARCH_CALL_SUCCESS;
+	default:
+		return SMC_ARCH_CALL_NOT_SUPPORTED;
+	}
+}
diff --git a/plat/nvidia/tegra/common/tegra_pm.c b/plat/nvidia/tegra/common/tegra_pm.c
new file mode 100644
index 0000000..ec34a85
--- /dev/null
+++ b/plat/nvidia/tegra/common/tegra_pm.c
@@ -0,0 +1,329 @@
+/*
+ * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+
+#include <platform_def.h>
+
+#include <arch_helpers.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <context.h>
+#include <drivers/console.h>
+#include <lib/el3_runtime/context_mgmt.h>
+#include <lib/mmio.h>
+#include <lib/psci/psci.h>
+#include <plat/common/platform.h>
+
+#include <memctrl.h>
+#include <pmc.h>
+#include <tegra_def.h>
+#include <tegra_platform.h>
+#include <tegra_private.h>
+
+extern uint64_t tegra_bl31_phys_base;
+extern uint64_t tegra_sec_entry_point;
+
+/*******************************************************************************
+ * This handler is called by the PSCI implementation during the `SYSTEM_SUSPEND`
+ * call to get the `power_state` parameter. This allows the platform to encode
+ * the appropriate State-ID field within the `power_state` parameter which can
+ * be utilized in `pwr_domain_suspend()` to suspend to system affinity level.
+******************************************************************************/
+static void tegra_get_sys_suspend_power_state(psci_power_state_t *req_state)
+{
+	/* all affinities use system suspend state id */
+	for (uint32_t i = MPIDR_AFFLVL0; i <= PLAT_MAX_PWR_LVL; i++) {
+		req_state->pwr_domain_state[i] = PSTATE_ID_SOC_POWERDN;
+	}
+}
+
+/*******************************************************************************
+ * Handler called when an affinity instance is about to enter standby.
+ ******************************************************************************/
+static void tegra_cpu_standby(plat_local_state_t cpu_state)
+{
+	u_register_t saved_scr_el3;
+
+	(void)cpu_state;
+
+	/* Tegra SoC specific handler */
+	if (tegra_soc_cpu_standby(cpu_state) != PSCI_E_SUCCESS)
+		ERROR("%s failed\n", __func__);
+
+	saved_scr_el3 = read_scr_el3();
+
+	/*
+	 * As per ARM ARM D1.17.2, any physical IRQ interrupt received by the
+	 * PE will be treated as a wake-up event, if SCR_EL3.IRQ is set to '1',
+	 * irrespective of the value of the PSTATE.I bit value.
+	 */
+	write_scr_el3(saved_scr_el3 | SCR_IRQ_BIT);
+
+	/*
+	 * Enter standby state
+	 *
+	 * dsb & isb is good practice before using wfi to enter low power states
+	 */
+	dsb();
+	isb();
+	wfi();
+
+	/*
+	 * Restore saved scr_el3 that has IRQ bit cleared as we don't want EL3
+	 * handling any further interrupts
+	 */
+	write_scr_el3(saved_scr_el3);
+}
+
+/*******************************************************************************
+ * Handler called when an affinity instance is about to be turned on. The
+ * level and mpidr determine the affinity instance.
+ ******************************************************************************/
+static int32_t tegra_pwr_domain_on(u_register_t mpidr)
+{
+	return tegra_soc_pwr_domain_on(mpidr);
+}
+
+/*******************************************************************************
+ * Handler called when a power domain is about to be turned off. The
+ * target_state encodes the power state that each level should transition to.
+ ******************************************************************************/
+static void tegra_pwr_domain_off(const psci_power_state_t *target_state)
+{
+	(void)tegra_soc_pwr_domain_off(target_state);
+
+	/* disable GICC */
+	tegra_gic_cpuif_deactivate();
+}
+
+/*******************************************************************************
+ * Handler called when a power domain is about to be suspended. The
+ * target_state encodes the power state that each level should transition to.
+ * This handler is called with SMP and data cache enabled, when
+ * HW_ASSISTED_COHERENCY = 0
+ ******************************************************************************/
+void tegra_pwr_domain_suspend_pwrdown_early(const psci_power_state_t *target_state)
+{
+	tegra_soc_pwr_domain_suspend_pwrdown_early(target_state);
+}
+
+/*******************************************************************************
+ * Handler called when a power domain is about to be suspended. The
+ * target_state encodes the power state that each level should transition to.
+ ******************************************************************************/
+static void tegra_pwr_domain_suspend(const psci_power_state_t *target_state)
+{
+	(void)tegra_soc_pwr_domain_suspend(target_state);
+
+	/* disable GICC */
+	tegra_gic_cpuif_deactivate();
+}
+
+/*******************************************************************************
+ * Handler called at the end of the power domain suspend sequence. The
+ * target_state encodes the power state that each level should transition to.
+ ******************************************************************************/
+static __dead2 void tegra_pwr_domain_power_down_wfi(const psci_power_state_t
+					     *target_state)
+{
+	/* call the chip's power down handler */
+	(void)tegra_soc_pwr_domain_power_down_wfi(target_state);
+
+	/* Disable console if we are entering deep sleep. */
+	if (target_state->pwr_domain_state[PLAT_MAX_PWR_LVL] ==
+			PSTATE_ID_SOC_POWERDN) {
+		INFO("%s: complete. Entering System Suspend...\n", __func__);
+		console_flush();
+		console_switch_state(0);
+	}
+
+	wfi();
+	panic();
+}
+
+/*******************************************************************************
+ * Handler called when a power domain has just been powered on after
+ * being turned off earlier. The target_state encodes the low power state that
+ * each level has woken up from.
+ ******************************************************************************/
+static void tegra_pwr_domain_on_finish(const psci_power_state_t *target_state)
+{
+	const plat_params_from_bl2_t *plat_params;
+
+	/*
+	 * Check if we are exiting from deep sleep.
+	 */
+	if (target_state->pwr_domain_state[PLAT_MAX_PWR_LVL] ==
+			PSTATE_ID_SOC_POWERDN) {
+
+		/*
+		 * On entering System Suspend state, the GIC loses power
+		 * completely. Initialize the GIC global distributor and
+		 * GIC cpu interfaces.
+		 */
+		tegra_gic_init();
+
+		/* Restart console output. */
+		console_switch_state(CONSOLE_FLAG_RUNTIME);
+
+		/*
+		 * Restore Memory Controller settings as it loses state
+		 * during system suspend.
+		 */
+		tegra_memctrl_restore_settings();
+
+		/*
+		 * Security configuration to allow DRAM/device access.
+		 */
+		plat_params = bl31_get_plat_params();
+		tegra_memctrl_tzdram_setup(plat_params->tzdram_base,
+			(uint32_t)plat_params->tzdram_size);
+
+	} else {
+		/*
+		 * Initialize the GIC cpu and distributor interfaces
+		 */
+		tegra_gic_pcpu_init();
+	}
+
+	/*
+	 * Reset hardware settings.
+	 */
+	(void)tegra_soc_pwr_domain_on_finish(target_state);
+}
+
+/*******************************************************************************
+ * Handler called when a power domain has just been powered on after
+ * having been suspended earlier. The target_state encodes the low power state
+ * that each level has woken up from.
+ ******************************************************************************/
+static void tegra_pwr_domain_suspend_finish(const psci_power_state_t *target_state)
+{
+	tegra_pwr_domain_on_finish(target_state);
+}
+
+/*******************************************************************************
+ * Handler called when the system wants to be powered off
+ ******************************************************************************/
+static __dead2 void tegra_system_off(void)
+{
+	INFO("Powering down system...\n");
+
+	tegra_soc_prepare_system_off();
+}
+
+/*******************************************************************************
+ * Handler called when the system wants to be restarted.
+ ******************************************************************************/
+static __dead2 void tegra_system_reset(void)
+{
+	INFO("Restarting system...\n");
+
+	/* per-SoC system reset handler */
+	(void)tegra_soc_prepare_system_reset();
+
+	/* wait for the system to reset */
+	for (;;) {
+		;
+	}
+}
+
+/*******************************************************************************
+ * Handler called to check the validity of the power state parameter.
+ ******************************************************************************/
+static int32_t tegra_validate_power_state(uint32_t power_state,
+				   psci_power_state_t *req_state)
+{
+	assert(req_state != NULL);
+
+	return tegra_soc_validate_power_state(power_state, req_state);
+}
+
+/*******************************************************************************
+ * Platform handler called to check the validity of the non secure entrypoint.
+ ******************************************************************************/
+static int32_t tegra_validate_ns_entrypoint(uintptr_t entrypoint)
+{
+	int32_t ret = PSCI_E_INVALID_ADDRESS;
+
+	/*
+	 * Check if the non secure entrypoint lies within the non
+	 * secure DRAM.
+	 */
+	if ((entrypoint >= TEGRA_DRAM_BASE) && (entrypoint <= TEGRA_DRAM_END)) {
+		ret = PSCI_E_SUCCESS;
+	}
+
+	return ret;
+}
+
+/*******************************************************************************
+ * Export the platform handlers to enable psci to invoke them
+ ******************************************************************************/
+static plat_psci_ops_t tegra_plat_psci_ops = {
+	.cpu_standby			= tegra_cpu_standby,
+	.pwr_domain_on			= tegra_pwr_domain_on,
+	.pwr_domain_off			= tegra_pwr_domain_off,
+	.pwr_domain_suspend_pwrdown_early = tegra_pwr_domain_suspend_pwrdown_early,
+	.pwr_domain_suspend		= tegra_pwr_domain_suspend,
+	.pwr_domain_on_finish		= tegra_pwr_domain_on_finish,
+	.pwr_domain_suspend_finish	= tegra_pwr_domain_suspend_finish,
+	.pwr_domain_pwr_down_wfi	= tegra_pwr_domain_power_down_wfi,
+	.system_off			= tegra_system_off,
+	.system_reset			= tegra_system_reset,
+	.validate_power_state		= tegra_validate_power_state,
+	.validate_ns_entrypoint		= tegra_validate_ns_entrypoint,
+	.get_sys_suspend_power_state	= tegra_get_sys_suspend_power_state,
+};
+
+/*******************************************************************************
+ * Export the platform specific power ops and initialize Power Controller
+ ******************************************************************************/
+int plat_setup_psci_ops(uintptr_t sec_entrypoint,
+			const plat_psci_ops_t **psci_ops)
+{
+	psci_power_state_t target_state = { { PSCI_LOCAL_STATE_RUN } };
+
+	/*
+	 * Flush entrypoint variable to PoC since it will be
+	 * accessed after a reset with the caches turned off.
+	 */
+	tegra_sec_entry_point = sec_entrypoint;
+	flush_dcache_range((uint64_t)&tegra_sec_entry_point, sizeof(uint64_t));
+
+	/*
+	 * Reset hardware settings.
+	 */
+	(void)tegra_soc_pwr_domain_on_finish(&target_state);
+
+	/*
+	 * Disable System Suspend if the platform does not
+	 * support it
+	 */
+	if (!plat_supports_system_suspend()) {
+		tegra_plat_psci_ops.get_sys_suspend_power_state = NULL;
+	}
+
+	/*
+	 * Initialize PSCI ops struct
+	 */
+	*psci_ops = &tegra_plat_psci_ops;
+
+	return 0;
+}
+
+/*******************************************************************************
+ * Platform handler to calculate the proper target power level at the
+ * specified affinity level
+ ******************************************************************************/
+plat_local_state_t plat_get_target_pwr_state(unsigned int lvl,
+					     const plat_local_state_t *states,
+					     unsigned int ncpu)
+{
+	return tegra_soc_get_target_pwr_state(lvl, states, ncpu);
+}
diff --git a/plat/nvidia/tegra/common/tegra_sdei.c b/plat/nvidia/tegra/common/tegra_sdei.c
new file mode 100644
index 0000000..9241b81
--- /dev/null
+++ b/plat/nvidia/tegra/common/tegra_sdei.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/* SDEI configuration for Tegra platforms */
+
+#include <platform_def.h>
+
+#include <bl31/ehf.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <lib/utils_def.h>
+#include <services/sdei.h>
+
+/* Private event mappings */
+static sdei_ev_map_t tegra_sdei_private[] = {
+	/* Event 0 definition */
+	SDEI_DEFINE_EVENT_0(TEGRA_SDEI_SGI_PRIVATE),
+
+	/* Dynamic private events */
+	SDEI_PRIVATE_EVENT(TEGRA_SDEI_DP_EVENT_0, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC),
+	SDEI_PRIVATE_EVENT(TEGRA_SDEI_DP_EVENT_1, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC),
+	SDEI_PRIVATE_EVENT(TEGRA_SDEI_DP_EVENT_2, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC),
+
+	/* General purpose explicit events */
+	SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_0, SDEI_MAPF_CRITICAL),
+	SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_1, SDEI_MAPF_CRITICAL),
+	SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_2, SDEI_MAPF_CRITICAL),
+	SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_3, SDEI_MAPF_CRITICAL),
+	SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_4, SDEI_MAPF_CRITICAL),
+	SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_5, SDEI_MAPF_CRITICAL),
+	SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_6, SDEI_MAPF_CRITICAL),
+	SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_7, SDEI_MAPF_CRITICAL),
+	SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_8, SDEI_MAPF_CRITICAL),
+	SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_9, SDEI_MAPF_CRITICAL),
+	SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_10, SDEI_MAPF_CRITICAL),
+	SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_11, SDEI_MAPF_CRITICAL)
+};
+
+/* Shared event mappings */
+static sdei_ev_map_t tegra_sdei_shared[] = {
+	/* Dynamic shared events */
+	SDEI_SHARED_EVENT(TEGRA_SDEI_DS_EVENT_0, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC),
+	SDEI_SHARED_EVENT(TEGRA_SDEI_DS_EVENT_1, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC),
+	SDEI_SHARED_EVENT(TEGRA_SDEI_DS_EVENT_2, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC)
+};
+
+void plat_sdei_setup(void)
+{
+	INFO("SDEI platform setup\n");
+}
+
+/* Export Tegra SDEI events */
+REGISTER_SDEI_MAP(tegra_sdei_private, tegra_sdei_shared);
diff --git a/plat/nvidia/tegra/common/tegra_sip_calls.c b/plat/nvidia/tegra/common/tegra_sip_calls.c
new file mode 100644
index 0000000..80a2c4d
--- /dev/null
+++ b/plat/nvidia/tegra/common/tegra_sip_calls.c
@@ -0,0 +1,158 @@
+/*
+ * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <errno.h>
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <common/runtime_svc.h>
+#include <lib/mmio.h>
+
+#include <memctrl.h>
+#include <tegra_platform.h>
+#include <tegra_private.h>
+
+/*******************************************************************************
+ * Common Tegra SiP SMCs
+ ******************************************************************************/
+#define TEGRA_SIP_NEW_VIDEOMEM_REGION		0x82000003
+#define TEGRA_SIP_FIQ_NS_ENTRYPOINT		0x82000005
+#define TEGRA_SIP_FIQ_NS_GET_CONTEXT		0x82000006
+
+/*******************************************************************************
+ * This function is responsible for handling all SiP calls
+ ******************************************************************************/
+uintptr_t tegra_sip_handler(uint32_t smc_fid,
+			    u_register_t x1,
+			    u_register_t x2,
+			    u_register_t x3,
+			    u_register_t x4,
+			    void *cookie,
+			    void *handle,
+			    u_register_t flags)
+{
+	uint32_t regval, local_x2_32 = (uint32_t)x2;
+	int32_t err;
+
+	/* Check if this is a SoC specific SiP */
+	err = plat_sip_handler(smc_fid, x1, x2, x3, x4, cookie, handle, flags);
+	if (err == 0) {
+
+		SMC_RET1(handle, (uint64_t)err);
+
+	} else {
+
+		switch (smc_fid) {
+
+		case TEGRA_SIP_NEW_VIDEOMEM_REGION:
+			/* Check whether Video memory resize is enabled */
+			if (mmio_read_32(TEGRA_MC_BASE + MC_VIDEO_PROTECT_REG_CTRL)
+				!= MC_VIDEO_PROTECT_WRITE_ACCESS_ENABLED) {
+				ERROR("Video Memory Resize isn't enabled! \n");
+				SMC_RET1(handle, (uint64_t)-ENOTSUP);
+			}
+
+			/*
+			 * Check if Video Memory overlaps TZDRAM (contains bl31/bl32)
+			 * or falls outside of the valid DRAM range
+			*/
+			err = bl31_check_ns_address(x1, local_x2_32);
+			if (err != 0) {
+				SMC_RET1(handle, (uint64_t)err);
+			}
+
+			/*
+			 * Check if Video Memory is aligned to 1MB.
+			 */
+			if (((x1 & 0xFFFFFU) != 0U) || ((local_x2_32 & 0xFFFFFU) != 0U)) {
+				ERROR("Unaligned Video Memory base address!\n");
+				SMC_RET1(handle, (uint64_t)-ENOTSUP);
+			}
+
+			/*
+			 * The GPU is the user of the Video Memory region. In order to
+			 * transition to the new memory region smoothly, we program the
+			 * new base/size ONLY if the GPU is in reset mode.
+			 */
+			regval = mmio_read_32(TEGRA_CAR_RESET_BASE +
+					      TEGRA_GPU_RESET_REG_OFFSET);
+			if ((regval & GPU_RESET_BIT) == 0U) {
+				ERROR("GPU not in reset! Video Memory setup failed\n");
+				SMC_RET1(handle, (uint64_t)-ENOTSUP);
+			}
+
+			/* new video memory carveout settings */
+			tegra_memctrl_videomem_setup(x1, local_x2_32);
+
+			/*
+			 * Ensure again that GPU is still in reset after VPR resize
+			 */
+			regval = mmio_read_32(TEGRA_CAR_RESET_BASE +
+					      TEGRA_GPU_RESET_REG_OFFSET);
+			if ((regval & GPU_RESET_BIT) == 0U) {
+				mmio_write_32(TEGRA_CAR_RESET_BASE + TEGRA_GPU_RESET_GPU_SET_OFFSET,
+									GPU_SET_BIT);
+			}
+
+			SMC_RET1(handle, 0);
+
+		/*
+		 * The NS world registers the address of its handler to be
+		 * used for processing the FIQ. This is normally used by the
+		 * NS FIQ debugger driver to detect system hangs by programming
+		 * a watchdog timer to fire a FIQ interrupt.
+		 */
+		case TEGRA_SIP_FIQ_NS_ENTRYPOINT:
+
+			if (x1 == 0U) {
+				SMC_RET1(handle, SMC_UNK);
+			}
+
+			/*
+			 * TODO: Check if x1 contains a valid DRAM address
+			 */
+
+			/* store the NS world's entrypoint */
+			tegra_fiq_set_ns_entrypoint(x1);
+
+			SMC_RET1(handle, 0);
+
+		/*
+		 * The NS world's FIQ handler issues this SMC to get the NS EL1/EL0
+		 * CPU context when the FIQ interrupt was triggered. This allows the
+		 * NS world to understand the CPU state when the watchdog interrupt
+		 * triggered.
+		 */
+		case TEGRA_SIP_FIQ_NS_GET_CONTEXT:
+
+			/* retrieve context registers when FIQ triggered */
+			(void)tegra_fiq_get_intr_context();
+
+			SMC_RET0(handle);
+
+		default:
+			ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid);
+			break;
+		}
+	}
+
+	SMC_RET1(handle, SMC_UNK);
+}
+
+/* Define a runtime service descriptor for fast SMC calls */
+DECLARE_RT_SVC(
+	tegra_sip_fast,
+
+	(OEN_SIP_START),
+	(OEN_SIP_END),
+	(SMC_TYPE_FAST),
+	(NULL),
+	(tegra_sip_handler)
+);
diff --git a/plat/nvidia/tegra/common/tegra_stack_protector.c b/plat/nvidia/tegra/common/tegra_stack_protector.c
new file mode 100644
index 0000000..f6c459a
--- /dev/null
+++ b/plat/nvidia/tegra/common/tegra_stack_protector.c
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdint.h>
+
+#include <arch_helpers.h>
+#include <lib/mmio.h>
+#include <plat/common/platform.h>
+#include <platform_def.h>
+
+u_register_t plat_get_stack_protector_canary(void)
+{
+	u_register_t seed;
+
+	/*
+	 * Ideally, a random number should be returned instead. As the
+	 * platform does not have any random number generator, this is
+	 * better than nothing, but not really secure.
+	 */
+	seed = mmio_read_32(TEGRA_MISC_BASE + HARDWARE_REVISION_OFFSET);
+	seed <<= 32;
+	seed |= mmio_read_32(TEGRA_TMRUS_BASE);
+
+	return seed ^ read_cntpct_el0();
+}
diff --git a/plat/nvidia/tegra/drivers/bpmp/bpmp.c b/plat/nvidia/tegra/drivers/bpmp/bpmp.c
new file mode 100644
index 0000000..d7db604
--- /dev/null
+++ b/plat/nvidia/tegra/drivers/bpmp/bpmp.c
@@ -0,0 +1,231 @@
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <assert.h>
+#include <bpmp.h>
+#include <common/debug.h>
+#include <drivers/delay_timer.h>
+#include <errno.h>
+#include <lib/mmio.h>
+#include <plat/common/platform.h>
+#include <stdbool.h>
+#include <string.h>
+#include <tegra_def.h>
+
+#define BPMP_TIMEOUT	500 /* 500ms */
+
+static uint32_t channel_base[NR_CHANNELS];
+static uint32_t bpmp_init_state = BPMP_INIT_PENDING;
+
+static uint32_t channel_field(unsigned int ch)
+{
+	return mmio_read_32(TEGRA_RES_SEMA_BASE + STA_OFFSET) & CH_MASK(ch);
+}
+
+static bool master_free(unsigned int ch)
+{
+	return channel_field(ch) == MA_FREE(ch);
+}
+
+static bool master_acked(unsigned int ch)
+{
+	return channel_field(ch) == MA_ACKD(ch);
+}
+
+static void signal_slave(unsigned int ch)
+{
+	mmio_write_32(TEGRA_RES_SEMA_BASE + CLR_OFFSET, CH_MASK(ch));
+}
+
+static void free_master(unsigned int ch)
+{
+	mmio_write_32(TEGRA_RES_SEMA_BASE + CLR_OFFSET,
+		      MA_ACKD(ch) ^ MA_FREE(ch));
+}
+
+/* should be called with local irqs disabled */
+int32_t tegra_bpmp_send_receive_atomic(int mrq, const void *ob_data, int ob_sz,
+		void *ib_data, int ib_sz)
+{
+	unsigned int ch = (unsigned int)plat_my_core_pos();
+	mb_data_t *p = (mb_data_t *)(uintptr_t)channel_base[ch];
+	int32_t ret = -ETIMEDOUT, timeout = 0;
+
+	if (bpmp_init_state == BPMP_INIT_COMPLETE) {
+
+		/* loop until BPMP is free */
+		for (timeout = 0; timeout < BPMP_TIMEOUT; timeout++) {
+			if (master_free(ch) == true) {
+				break;
+			}
+
+			mdelay(1);
+		}
+
+		if (timeout != BPMP_TIMEOUT) {
+
+			/* generate the command struct */
+			p->code = mrq;
+			p->flags = DO_ACK;
+			(void)memcpy((void *)p->data, ob_data, (size_t)ob_sz);
+
+			/* signal command ready to the BPMP */
+			signal_slave(ch);
+			mmio_write_32(TEGRA_PRI_ICTLR_BASE + CPU_IEP_FIR_SET,
+				      (1U << INT_SHR_SEM_OUTBOX_FULL));
+
+			/* loop until the command is executed */
+			for (timeout = 0; timeout < BPMP_TIMEOUT; timeout++) {
+				if (master_acked(ch) == true) {
+					break;
+				}
+
+				mdelay(1);
+			}
+
+			if (timeout != BPMP_TIMEOUT) {
+
+				/* get the command response */
+				(void)memcpy(ib_data, (const void *)p->data,
+					     (size_t)ib_sz);
+
+				/* return error code */
+				ret = p->code;
+
+				/* free this channel */
+				free_master(ch);
+			}
+		}
+
+	} else {
+		/* return error code */
+		ret = -EINVAL;
+	}
+
+	if (timeout == BPMP_TIMEOUT) {
+		ERROR("Timed out waiting for bpmp's response\n");
+	}
+
+	return ret;
+}
+
+int tegra_bpmp_init(void)
+{
+	uint32_t val, base, timeout = BPMP_TIMEOUT;
+	unsigned int ch;
+	int ret = 0;
+
+	if (bpmp_init_state == BPMP_INIT_PENDING) {
+
+		/* check if the bpmp processor is alive. */
+		do {
+			val = mmio_read_32(TEGRA_RES_SEMA_BASE + STA_OFFSET);
+			if (val != SIGN_OF_LIFE) {
+				mdelay(1);
+				timeout--;
+			}
+
+		} while ((val != SIGN_OF_LIFE) && (timeout > 0U));
+
+		if (val == SIGN_OF_LIFE) {
+
+			/* check if clock for the atomics block is enabled */
+			val = mmio_read_32(TEGRA_CAR_RESET_BASE + TEGRA_CLK_ENB_V);
+			if ((val & CAR_ENABLE_ATOMICS) == 0) {
+				ERROR("Clock to the atomics block is disabled\n");
+			}
+
+			/* check if the atomics block is out of reset */
+			val = mmio_read_32(TEGRA_CAR_RESET_BASE + TEGRA_RST_DEV_CLR_V);
+			if ((val & CAR_ENABLE_ATOMICS) == CAR_ENABLE_ATOMICS) {
+				ERROR("Reset to the atomics block is asserted\n");
+			}
+
+			/* base address to get the result from Atomics */
+			base = TEGRA_ATOMICS_BASE + RESULT0_REG_OFFSET;
+
+			/* channel area is setup by BPMP before signaling handshake */
+			for (ch = 0; ch < NR_CHANNELS; ch++) {
+
+				/* issue command to get the channel base address */
+				mmio_write_32(base, (ch << TRIGGER_ID_SHIFT) |
+					      ATOMIC_CMD_GET);
+
+				/* get the base address for the channel */
+				channel_base[ch] = mmio_read_32(base);
+
+				/* increment result register offset */
+				base += 4U;
+			}
+
+			/* mark state as "initialized" */
+			bpmp_init_state = BPMP_INIT_COMPLETE;
+
+			/* the channel values have to be visible across all cpus */
+			flush_dcache_range((uint64_t)channel_base,
+					   sizeof(channel_base));
+			flush_dcache_range((uint64_t)&bpmp_init_state,
+					   sizeof(bpmp_init_state));
+
+			INFO("%s: done\n", __func__);
+
+		} else {
+			ERROR("BPMP not powered on\n");
+
+			/* bpmp is not present in the system */
+			bpmp_init_state = BPMP_NOT_PRESENT;
+
+			/* communication timed out */
+			ret = -ETIMEDOUT;
+		}
+	}
+
+	return ret;
+}
+
+void tegra_bpmp_suspend(void)
+{
+	/* freeze the interface */
+	if (bpmp_init_state == BPMP_INIT_COMPLETE) {
+		bpmp_init_state = BPMP_SUSPEND_ENTRY;
+		flush_dcache_range((uint64_t)&bpmp_init_state,
+				   sizeof(bpmp_init_state));
+	}
+}
+
+void tegra_bpmp_resume(void)
+{
+	uint32_t val, timeout = 0;
+
+	if (bpmp_init_state == BPMP_SUSPEND_ENTRY) {
+
+		/* check if the bpmp processor is alive. */
+		do {
+
+			val = mmio_read_32(TEGRA_RES_SEMA_BASE + STA_OFFSET);
+			if (val != SIGN_OF_LIFE) {
+				mdelay(1);
+				timeout++;
+			}
+
+		} while ((val != SIGN_OF_LIFE) && (timeout < BPMP_TIMEOUT));
+
+		if (val == SIGN_OF_LIFE) {
+
+			INFO("%s: BPMP took %d ms to resume\n", __func__, timeout);
+
+			/* mark state as "initialized" */
+			bpmp_init_state = BPMP_INIT_COMPLETE;
+
+			/* state has to be visible across all cpus */
+			flush_dcache_range((uint64_t)&bpmp_init_state,
+					   sizeof(bpmp_init_state));
+		} else {
+			ERROR("BPMP not powered on\n");
+		}
+	}
+}
diff --git a/plat/nvidia/tegra/drivers/bpmp_ipc/intf.c b/plat/nvidia/tegra/drivers/bpmp_ipc/intf.c
new file mode 100644
index 0000000..2e90d25
--- /dev/null
+++ b/plat/nvidia/tegra/drivers/bpmp_ipc/intf.c
@@ -0,0 +1,345 @@
+/*
+ * Copyright (c) 2017-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <bpmp_ipc.h>
+#include <common/debug.h>
+#include <drivers/delay_timer.h>
+#include <errno.h>
+#include <lib/mmio.h>
+#include <lib/utils_def.h>
+#include <stdbool.h>
+#include <string.h>
+#include <tegra_def.h>
+
+#include "intf.h"
+#include "ivc.h"
+
+/**
+ * Holds IVC channel data
+ */
+struct ccplex_bpmp_channel_data {
+	/* Buffer for incoming data */
+	struct frame_data *ib;
+
+	/* Buffer for outgoing data */
+	struct frame_data *ob;
+};
+
+static struct ccplex_bpmp_channel_data s_channel;
+static struct ivc ivc_ccplex_bpmp_channel;
+
+/*
+ * Helper functions to access the HSP doorbell registers
+ */
+static inline uint32_t hsp_db_read(uint32_t reg)
+{
+	return mmio_read_32((uint32_t)(TEGRA_HSP_DBELL_BASE + reg));
+}
+
+static inline void hsp_db_write(uint32_t reg, uint32_t val)
+{
+	mmio_write_32((uint32_t)(TEGRA_HSP_DBELL_BASE + reg), val);
+}
+
+/*******************************************************************************
+ *      IVC wrappers for CCPLEX <-> BPMP communication.
+ ******************************************************************************/
+
+static void tegra_bpmp_ring_bpmp_doorbell(void);
+
+/*
+ * Get the next frame where data can be written.
+ */
+static struct frame_data *tegra_bpmp_get_next_out_frame(void)
+{
+	struct frame_data *frame;
+	const struct ivc *ch = &ivc_ccplex_bpmp_channel;
+
+	frame = (struct frame_data *)tegra_ivc_write_get_next_frame(ch);
+	if (frame == NULL) {
+		ERROR("%s: Error in getting next frame, exiting\n", __func__);
+	} else {
+		s_channel.ob = frame;
+	}
+
+	return frame;
+}
+
+static void tegra_bpmp_signal_slave(void)
+{
+	(void)tegra_ivc_write_advance(&ivc_ccplex_bpmp_channel);
+	tegra_bpmp_ring_bpmp_doorbell();
+}
+
+static int32_t tegra_bpmp_free_master(void)
+{
+	return tegra_ivc_read_advance(&ivc_ccplex_bpmp_channel);
+}
+
+static bool tegra_bpmp_slave_acked(void)
+{
+	struct frame_data *frame;
+	bool ret = true;
+
+	frame = (struct frame_data *)tegra_ivc_read_get_next_frame(&ivc_ccplex_bpmp_channel);
+	if (frame == NULL) {
+		ret = false;
+	} else {
+		s_channel.ib = frame;
+	}
+
+	return ret;
+}
+
+static struct frame_data *tegra_bpmp_get_cur_in_frame(void)
+{
+	return s_channel.ib;
+}
+
+/*
+ * Enables BPMP to ring CCPlex doorbell
+ */
+static void tegra_bpmp_enable_ccplex_doorbell(void)
+{
+	uint32_t reg;
+
+	reg = hsp_db_read(HSP_DBELL_1_ENABLE);
+	reg |= HSP_MASTER_BPMP_BIT;
+	hsp_db_write(HSP_DBELL_1_ENABLE, reg);
+}
+
+/*
+ * CCPlex rings the BPMP doorbell
+ */
+static void tegra_bpmp_ring_bpmp_doorbell(void)
+{
+	/*
+	 * Any writes to this register has the same effect,
+	 * uses master ID of the write transaction and set
+	 * corresponding flag.
+	 */
+	hsp_db_write(HSP_DBELL_3_TRIGGER, HSP_MASTER_CCPLEX_BIT);
+}
+
+/*
+ * Returns true if CCPLex can ring BPMP doorbell, otherwise false.
+ * This also signals that BPMP is up and ready.
+ */
+static bool tegra_bpmp_can_ccplex_ring_doorbell(void)
+{
+	uint32_t reg;
+
+	/* check if ccplex can communicate with bpmp */
+	reg = hsp_db_read(HSP_DBELL_3_ENABLE);
+
+	return ((reg & HSP_MASTER_CCPLEX_BIT) != 0U);
+}
+
+static int32_t tegra_bpmp_wait_for_slave_ack(void)
+{
+	uint32_t timeout = TIMEOUT_RESPONSE_FROM_BPMP_US;
+
+	while (!tegra_bpmp_slave_acked() && (timeout != 0U)) {
+		udelay(1);
+		timeout--;
+	};
+
+	return ((timeout == 0U) ? -ETIMEDOUT : 0);
+}
+
+/*
+ * Notification from the ivc layer
+ */
+static void tegra_bpmp_ivc_notify(const struct ivc *ivc)
+{
+	(void)(ivc);
+
+	tegra_bpmp_ring_bpmp_doorbell();
+}
+
+/*
+ * Atomic send/receive API, which means it waits until slave acks
+ */
+static int32_t tegra_bpmp_ipc_send_req_atomic(uint32_t mrq, void *p_out,
+			uint32_t size_out, void *p_in, uint32_t size_in)
+{
+	struct frame_data *frame = tegra_bpmp_get_next_out_frame();
+	const struct frame_data *f_in = NULL;
+	int32_t ret = 0;
+	void *p_fdata;
+
+	if ((p_out == NULL) || (size_out > IVC_DATA_SZ_BYTES) ||
+	    (frame == NULL)) {
+		ERROR("%s: invalid parameters, exiting\n", __func__);
+		return -EINVAL;
+	}
+
+	/* prepare the command frame */
+	frame->mrq = mrq;
+	frame->flags = FLAG_DO_ACK;
+	p_fdata = frame->data;
+	(void)memcpy(p_fdata, p_out, (size_t)size_out);
+
+	/* signal the slave */
+	tegra_bpmp_signal_slave();
+
+	/* wait for slave to ack */
+	ret = tegra_bpmp_wait_for_slave_ack();
+	if (ret < 0) {
+		ERROR("%s: wait for slave failed (%d)\n", __func__, ret);
+		return ret;
+	}
+
+	/* retrieve the response frame */
+	if ((size_in <= IVC_DATA_SZ_BYTES) && (p_in != NULL)) {
+
+		f_in = tegra_bpmp_get_cur_in_frame();
+		if (f_in != NULL) {
+			ERROR("Failed to get next input frame!\n");
+		} else {
+			(void)memcpy(p_in, p_fdata, (size_t)size_in);
+		}
+	}
+
+	ret = tegra_bpmp_free_master();
+	if (ret < 0) {
+		ERROR("%s: free master failed (%d)\n", __func__, ret);
+	}
+
+	return ret;
+}
+
+/*
+ * Initializes the BPMP<--->CCPlex communication path.
+ */
+int32_t tegra_bpmp_ipc_init(void)
+{
+	size_t msg_size;
+	uint32_t frame_size, timeout;
+	int32_t error = 0;
+
+	/* allow bpmp to ring CCPLEX's doorbell */
+	tegra_bpmp_enable_ccplex_doorbell();
+
+	/* wait for BPMP to actually ring the doorbell */
+	timeout = TIMEOUT_RESPONSE_FROM_BPMP_US;
+	while ((timeout != 0U) && !tegra_bpmp_can_ccplex_ring_doorbell()) {
+		udelay(1); /* bpmp turn-around time */
+		timeout--;
+	}
+
+	if (timeout == 0U) {
+		ERROR("%s: BPMP firmware is not ready\n", __func__);
+		return -ENOTSUP;
+	}
+
+	INFO("%s: BPMP handshake completed\n", __func__);
+
+	msg_size = tegra_ivc_align(IVC_CMD_SZ_BYTES);
+	frame_size = (uint32_t)tegra_ivc_total_queue_size(msg_size);
+	if (frame_size > TEGRA_BPMP_IPC_CH_MAP_SIZE) {
+		ERROR("%s: carveout size is not sufficient\n", __func__);
+		return -EINVAL;
+	}
+
+	error = tegra_ivc_init(&ivc_ccplex_bpmp_channel,
+				(uint32_t)TEGRA_BPMP_IPC_RX_PHYS_BASE,
+				(uint32_t)TEGRA_BPMP_IPC_TX_PHYS_BASE,
+				1U, frame_size, tegra_bpmp_ivc_notify);
+	if (error != 0) {
+
+		ERROR("%s: IVC init failed (%d)\n", __func__, error);
+
+	} else {
+
+		/* reset channel */
+		tegra_ivc_channel_reset(&ivc_ccplex_bpmp_channel);
+
+		/* wait for notification from BPMP */
+		while (tegra_ivc_channel_notified(&ivc_ccplex_bpmp_channel) != 0) {
+			/*
+			 * Interrupt BPMP with doorbell each time after
+			 * tegra_ivc_channel_notified() returns non zero
+			 * value.
+			 */
+			tegra_bpmp_ring_bpmp_doorbell();
+		}
+
+		INFO("%s: All communication channels initialized\n", __func__);
+	}
+
+	return error;
+}
+
+/* Handler to reset a hardware module */
+int32_t tegra_bpmp_ipc_reset_module(uint32_t rst_id)
+{
+	int32_t ret;
+	struct mrq_reset_request req = {
+		.cmd = (uint32_t)CMD_RESET_MODULE,
+		.reset_id = rst_id
+	};
+
+	/* only GPCDMA/XUSB_PADCTL resets are supported */
+	assert((rst_id == TEGRA_RESET_ID_XUSB_PADCTL) ||
+	       (rst_id == TEGRA_RESET_ID_GPCDMA));
+
+	ret = tegra_bpmp_ipc_send_req_atomic(MRQ_RESET, &req,
+			(uint32_t)sizeof(req), NULL, 0);
+	if (ret != 0) {
+		ERROR("%s: failed for module %d with error %d\n", __func__,
+		      rst_id, ret);
+	}
+
+	return ret;
+}
+
+int tegra_bpmp_ipc_enable_clock(uint32_t clk_id)
+{
+	int ret;
+	struct mrq_clk_request req;
+
+	/* only SE clocks are supported */
+	if (clk_id != TEGRA_CLK_SE) {
+		return -ENOTSUP;
+	}
+
+	/* prepare the MRQ_CLK command */
+	req.cmd_and_id = make_mrq_clk_cmd(CMD_CLK_ENABLE, clk_id);
+
+	ret = tegra_bpmp_ipc_send_req_atomic(MRQ_CLK, &req, (uint32_t)sizeof(req),
+			NULL, 0);
+	if (ret != 0) {
+		ERROR("%s: failed for module %d with error %d\n", __func__,
+		      clk_id, ret);
+	}
+
+	return ret;
+}
+
+int tegra_bpmp_ipc_disable_clock(uint32_t clk_id)
+{
+	int ret;
+	struct mrq_clk_request req;
+
+	/* only SE clocks are supported */
+	if (clk_id != TEGRA_CLK_SE) {
+		return -ENOTSUP;
+	}
+
+	/* prepare the MRQ_CLK command */
+	req.cmd_and_id = make_mrq_clk_cmd(CMD_CLK_DISABLE, clk_id);
+
+	ret = tegra_bpmp_ipc_send_req_atomic(MRQ_CLK, &req, (uint32_t)sizeof(req),
+			NULL, 0);
+	if (ret != 0) {
+		ERROR("%s: failed for module %d with error %d\n", __func__,
+		      clk_id, ret);
+	}
+
+	return ret;
+}
diff --git a/plat/nvidia/tegra/drivers/bpmp_ipc/intf.h b/plat/nvidia/tegra/drivers/bpmp_ipc/intf.h
new file mode 100644
index 0000000..d85b906
--- /dev/null
+++ b/plat/nvidia/tegra/drivers/bpmp_ipc/intf.h
@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2017-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef BPMP_INTF_H
+#define BPMP_INTF_H
+
+/**
+ * Flags used in IPC req
+ */
+#define FLAG_DO_ACK			(U(1) << 0)
+#define FLAG_RING_DOORBELL		(U(1) << 1)
+
+/* Bit 1 is designated for CCPlex in secure world */
+#define HSP_MASTER_CCPLEX_BIT	(U(1) << 1)
+/* Bit 19 is designated for BPMP in non-secure world */
+#define HSP_MASTER_BPMP_BIT		(U(1) << 19)
+/* Timeout to receive response from BPMP is 1 sec */
+#define TIMEOUT_RESPONSE_FROM_BPMP_US	U(1000000) /* in microseconds */
+
+/**
+ * IVC protocol defines and command/response frame
+ */
+
+/**
+ * IVC specific defines
+ */
+#define IVC_CMD_SZ_BYTES		U(128)
+#define IVC_DATA_SZ_BYTES		U(120)
+
+/**
+ * Holds frame data for an IPC request
+ */
+struct frame_data {
+	/* Identification as to what kind of data is being transmitted */
+	uint32_t mrq;
+
+	/* Flags for slave as to how to respond back */
+	uint32_t flags;
+
+	/* Actual data being sent */
+	uint8_t data[IVC_DATA_SZ_BYTES];
+};
+
+/**
+ * Commands send to the BPMP firmware
+ */
+
+/**
+ * MRQ command codes
+ */
+#define MRQ_RESET			U(20)
+#define MRQ_CLK				U(22)
+
+/**
+ * Reset sub-commands
+ */
+#define CMD_RESET_ASSERT		U(1)
+#define CMD_RESET_DEASSERT		U(2)
+#define CMD_RESET_MODULE		U(3)
+
+/**
+ * Used by the sender of an #MRQ_RESET message to request BPMP to
+ * assert or deassert a given reset line.
+ */
+struct __attribute__((packed)) mrq_reset_request {
+	/* reset action to perform (mrq_reset_commands) */
+	uint32_t cmd;
+	/* id of the reset to affected */
+	uint32_t reset_id;
+};
+
+/**
+ * MRQ_CLK sub-commands
+ *
+ */
+enum {
+	CMD_CLK_GET_RATE = U(1),
+	CMD_CLK_SET_RATE = U(2),
+	CMD_CLK_ROUND_RATE = U(3),
+	CMD_CLK_GET_PARENT = U(4),
+	CMD_CLK_SET_PARENT = U(5),
+	CMD_CLK_IS_ENABLED = U(6),
+	CMD_CLK_ENABLE = U(7),
+	CMD_CLK_DISABLE = U(8),
+	CMD_CLK_GET_ALL_INFO = U(14),
+	CMD_CLK_GET_MAX_CLK_ID = U(15),
+	CMD_CLK_MAX,
+};
+
+/**
+ * Used by the sender of an #MRQ_CLK message to control clocks. The
+ * clk_request is split into several sub-commands. Some sub-commands
+ * require no additional data. Others have a sub-command specific
+ * payload
+ *
+ * |sub-command                 |payload                |
+ * |----------------------------|-----------------------|
+ * |CMD_CLK_GET_RATE            |-                      |
+ * |CMD_CLK_SET_RATE            |clk_set_rate           |
+ * |CMD_CLK_ROUND_RATE          |clk_round_rate         |
+ * |CMD_CLK_GET_PARENT          |-                      |
+ * |CMD_CLK_SET_PARENT          |clk_set_parent         |
+ * |CMD_CLK_IS_ENABLED          |-                      |
+ * |CMD_CLK_ENABLE              |-                      |
+ * |CMD_CLK_DISABLE             |-                      |
+ * |CMD_CLK_GET_ALL_INFO        |-                      |
+ * |CMD_CLK_GET_MAX_CLK_ID      |-                      |
+ *
+ */
+struct mrq_clk_request {
+	/**
+	 * sub-command and clock id concatenated to 32-bit word.
+	 * - bits[31..24] is the sub-cmd.
+	 * - bits[23..0] is the clock id
+	 */
+	uint32_t cmd_and_id;
+};
+
+/**
+ * Macro to prepare the MRQ_CLK sub-command
+ */
+#define make_mrq_clk_cmd(cmd, id)	(((cmd) << 24) | (id & 0xFFFFFF))
+
+#endif /* BPMP_INTF_H */
diff --git a/plat/nvidia/tegra/drivers/bpmp_ipc/ivc.c b/plat/nvidia/tegra/drivers/bpmp_ipc/ivc.c
new file mode 100644
index 0000000..d964fc0
--- /dev/null
+++ b/plat/nvidia/tegra/drivers/bpmp_ipc/ivc.c
@@ -0,0 +1,654 @@
+/*
+ * Copyright (c) 2017-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <assert.h>
+#include <common/debug.h>
+#include <errno.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <string.h>
+
+#include "ivc.h"
+
+/*
+ * IVC channel reset protocol.
+ *
+ * Each end uses its tx_channel.state to indicate its synchronization state.
+ */
+enum {
+	/*
+	 * This value is zero for backwards compatibility with services that
+	 * assume channels to be initially zeroed. Such channels are in an
+	 * initially valid state, but cannot be asynchronously reset, and must
+	 * maintain a valid state at all times.
+	 *
+	 * The transmitting end can enter the established state from the sync or
+	 * ack state when it observes the receiving endpoint in the ack or
+	 * established state, indicating that has cleared the counters in our
+	 * rx_channel.
+	 */
+	ivc_state_established = U(0),
+
+	/*
+	 * If an endpoint is observed in the sync state, the remote endpoint is
+	 * allowed to clear the counters it owns asynchronously with respect to
+	 * the current endpoint. Therefore, the current endpoint is no longer
+	 * allowed to communicate.
+	 */
+	ivc_state_sync = U(1),
+
+	/*
+	 * When the transmitting end observes the receiving end in the sync
+	 * state, it can clear the w_count and r_count and transition to the ack
+	 * state. If the remote endpoint observes us in the ack state, it can
+	 * return to the established state once it has cleared its counters.
+	 */
+	ivc_state_ack = U(2)
+};
+
+/*
+ * This structure is divided into two-cache aligned parts, the first is only
+ * written through the tx_channel pointer, while the second is only written
+ * through the rx_channel pointer. This delineates ownership of the cache lines,
+ * which is critical to performance and necessary in non-cache coherent
+ * implementations.
+ */
+struct ivc_channel_header {
+	struct {
+		/* fields owned by the transmitting end */
+		uint32_t w_count;
+		uint32_t state;
+		uint32_t w_rsvd[IVC_CHHDR_TX_FIELDS - 2];
+	};
+	struct {
+		/* fields owned by the receiving end */
+		uint32_t r_count;
+		uint32_t r_rsvd[IVC_CHHDR_RX_FIELDS - 1];
+	};
+};
+
+static inline bool ivc_channel_empty(const struct ivc *ivc,
+		volatile const struct ivc_channel_header *ch)
+{
+	/*
+	 * This function performs multiple checks on the same values with
+	 * security implications, so sample the counters' current values in
+	 * shared memory to ensure that these checks use the same values.
+	 */
+	uint32_t wr_count = ch->w_count;
+	uint32_t rd_count = ch->r_count;
+	bool ret = false;
+
+	(void)ivc;
+
+	/*
+	 * Perform an over-full check to prevent denial of service attacks where
+	 * a server could be easily fooled into believing that there's an
+	 * extremely large number of frames ready, since receivers are not
+	 * expected to check for full or over-full conditions.
+	 *
+	 * Although the channel isn't empty, this is an invalid case caused by
+	 * a potentially malicious peer, so returning empty is safer, because it
+	 * gives the impression that the channel has gone silent.
+	 */
+	if (((wr_count - rd_count) > ivc->nframes) || (wr_count == rd_count)) {
+		ret = true;
+	}
+
+	return ret;
+}
+
+static inline bool ivc_channel_full(const struct ivc *ivc,
+		volatile const struct ivc_channel_header *ch)
+{
+	uint32_t wr_count = ch->w_count;
+	uint32_t rd_count = ch->r_count;
+
+	(void)ivc;
+
+	/*
+	 * Invalid cases where the counters indicate that the queue is over
+	 * capacity also appear full.
+	 */
+	return ((wr_count - rd_count) >= ivc->nframes);
+}
+
+static inline uint32_t ivc_channel_avail_count(const struct ivc *ivc,
+		volatile const struct ivc_channel_header *ch)
+{
+	uint32_t wr_count = ch->w_count;
+	uint32_t rd_count = ch->r_count;
+
+	(void)ivc;
+
+	/*
+	 * This function isn't expected to be used in scenarios where an
+	 * over-full situation can lead to denial of service attacks. See the
+	 * comment in ivc_channel_empty() for an explanation about special
+	 * over-full considerations.
+	 */
+	return (wr_count - rd_count);
+}
+
+static inline void ivc_advance_tx(struct ivc *ivc)
+{
+	ivc->tx_channel->w_count++;
+
+	if (ivc->w_pos == (ivc->nframes - (uint32_t)1U)) {
+		ivc->w_pos = 0U;
+	} else {
+		ivc->w_pos++;
+	}
+}
+
+static inline void ivc_advance_rx(struct ivc *ivc)
+{
+	ivc->rx_channel->r_count++;
+
+	if (ivc->r_pos == (ivc->nframes - (uint32_t)1U)) {
+		ivc->r_pos = 0U;
+	} else {
+		ivc->r_pos++;
+	}
+}
+
+static inline int32_t ivc_check_read(const struct ivc *ivc)
+{
+	/*
+	 * tx_channel->state is set locally, so it is not synchronized with
+	 * state from the remote peer. The remote peer cannot reset its
+	 * transmit counters until we've acknowledged its synchronization
+	 * request, so no additional synchronization is required because an
+	 * asynchronous transition of rx_channel->state to ivc_state_ack is not
+	 * allowed.
+	 */
+	if (ivc->tx_channel->state != ivc_state_established) {
+		return -ECONNRESET;
+	}
+
+	/*
+	* Avoid unnecessary invalidations when performing repeated accesses to
+	* an IVC channel by checking the old queue pointers first.
+	* Synchronization is only necessary when these pointers indicate empty
+	* or full.
+	*/
+	if (!ivc_channel_empty(ivc, ivc->rx_channel)) {
+		return 0;
+	}
+
+	return ivc_channel_empty(ivc, ivc->rx_channel) ? -ENOMEM : 0;
+}
+
+static inline int32_t ivc_check_write(const struct ivc *ivc)
+{
+	if (ivc->tx_channel->state != ivc_state_established) {
+		return -ECONNRESET;
+	}
+
+	if (!ivc_channel_full(ivc, ivc->tx_channel)) {
+		return 0;
+	}
+
+	return ivc_channel_full(ivc, ivc->tx_channel) ? -ENOMEM : 0;
+}
+
+bool tegra_ivc_can_read(const struct ivc *ivc)
+{
+	return ivc_check_read(ivc) == 0;
+}
+
+bool tegra_ivc_can_write(const struct ivc *ivc)
+{
+	return ivc_check_write(ivc) == 0;
+}
+
+bool tegra_ivc_tx_empty(const struct ivc *ivc)
+{
+	return ivc_channel_empty(ivc, ivc->tx_channel);
+}
+
+static inline uintptr_t calc_frame_offset(uint32_t frame_index,
+	uint32_t frame_size, uint32_t frame_offset)
+{
+    return ((uintptr_t)frame_index * (uintptr_t)frame_size) +
+	    (uintptr_t)frame_offset;
+}
+
+static void *ivc_frame_pointer(const struct ivc *ivc,
+				volatile const struct ivc_channel_header *ch,
+				uint32_t frame)
+{
+	assert(frame < ivc->nframes);
+	return (void *)((uintptr_t)(&ch[1]) +
+		calc_frame_offset(frame, ivc->frame_size, 0));
+}
+
+int32_t tegra_ivc_read(struct ivc *ivc, void *buf, size_t max_read)
+{
+	const void *src;
+	int32_t result;
+
+	if (buf == NULL) {
+		return -EINVAL;
+	}
+
+	if (max_read > ivc->frame_size) {
+		return -E2BIG;
+	}
+
+	result = ivc_check_read(ivc);
+	if (result != 0) {
+		return result;
+	}
+
+	/*
+	 * Order observation of w_pos potentially indicating new data before
+	 * data read.
+	 */
+	dmbish();
+
+	src = ivc_frame_pointer(ivc, ivc->rx_channel, ivc->r_pos);
+
+	(void)memcpy(buf, src, max_read);
+
+	ivc_advance_rx(ivc);
+
+	/*
+	 * Ensure our write to r_pos occurs before our read from w_pos.
+	 */
+	dmbish();
+
+	/*
+	 * Notify only upon transition from full to non-full.
+	 * The available count can only asynchronously increase, so the
+	 * worst possible side-effect will be a spurious notification.
+	 */
+	if (ivc_channel_avail_count(ivc, ivc->rx_channel) == (ivc->nframes - (uint32_t)1U)) {
+		ivc->notify(ivc);
+	}
+
+	return (int32_t)max_read;
+}
+
+/* directly peek at the next frame rx'ed */
+void *tegra_ivc_read_get_next_frame(const struct ivc *ivc)
+{
+	if (ivc_check_read(ivc) != 0) {
+		return NULL;
+	}
+
+	/*
+	 * Order observation of w_pos potentially indicating new data before
+	 * data read.
+	 */
+	dmbld();
+
+	return ivc_frame_pointer(ivc, ivc->rx_channel, ivc->r_pos);
+}
+
+int32_t tegra_ivc_read_advance(struct ivc *ivc)
+{
+	/*
+	 * No read barriers or synchronization here: the caller is expected to
+	 * have already observed the channel non-empty. This check is just to
+	 * catch programming errors.
+	 */
+	int32_t result = ivc_check_read(ivc);
+	if (result != 0) {
+		return result;
+	}
+
+	ivc_advance_rx(ivc);
+
+	/*
+	 * Ensure our write to r_pos occurs before our read from w_pos.
+	 */
+	dmbish();
+
+	/*
+	 * Notify only upon transition from full to non-full.
+	 * The available count can only asynchronously increase, so the
+	 * worst possible side-effect will be a spurious notification.
+	 */
+	if (ivc_channel_avail_count(ivc, ivc->rx_channel) == (ivc->nframes - (uint32_t)1U)) {
+		ivc->notify(ivc);
+	}
+
+	return 0;
+}
+
+int32_t tegra_ivc_write(struct ivc *ivc, const void *buf, size_t size)
+{
+	void *p;
+	int32_t result;
+
+	if ((buf == NULL) || (ivc == NULL)) {
+		return -EINVAL;
+	}
+
+	if (size > ivc->frame_size) {
+		return -E2BIG;
+	}
+
+	result = ivc_check_write(ivc);
+	if (result != 0) {
+		return result;
+	}
+
+	p = ivc_frame_pointer(ivc, ivc->tx_channel, ivc->w_pos);
+
+	(void)memset(p, 0, ivc->frame_size);
+	(void)memcpy(p, buf, size);
+
+	/*
+	 * Ensure that updated data is visible before the w_pos counter
+	 * indicates that it is ready.
+	 */
+	dmbst();
+
+	ivc_advance_tx(ivc);
+
+	/*
+	 * Ensure our write to w_pos occurs before our read from r_pos.
+	 */
+	dmbish();
+
+	/*
+	 * Notify only upon transition from empty to non-empty.
+	 * The available count can only asynchronously decrease, so the
+	 * worst possible side-effect will be a spurious notification.
+	 */
+	if (ivc_channel_avail_count(ivc, ivc->tx_channel) == 1U) {
+		ivc->notify(ivc);
+	}
+
+	return (int32_t)size;
+}
+
+/* directly poke at the next frame to be tx'ed */
+void *tegra_ivc_write_get_next_frame(const struct ivc *ivc)
+{
+	if (ivc_check_write(ivc) != 0) {
+		return NULL;
+	}
+
+	return ivc_frame_pointer(ivc, ivc->tx_channel, ivc->w_pos);
+}
+
+/* advance the tx buffer */
+int32_t tegra_ivc_write_advance(struct ivc *ivc)
+{
+	int32_t result = ivc_check_write(ivc);
+
+	if (result != 0) {
+		return result;
+	}
+
+	/*
+	 * Order any possible stores to the frame before update of w_pos.
+	 */
+	dmbst();
+
+	ivc_advance_tx(ivc);
+
+	/*
+	 * Ensure our write to w_pos occurs before our read from r_pos.
+	 */
+	dmbish();
+
+	/*
+	 * Notify only upon transition from empty to non-empty.
+	 * The available count can only asynchronously decrease, so the
+	 * worst possible side-effect will be a spurious notification.
+	 */
+	if (ivc_channel_avail_count(ivc, ivc->tx_channel) == (uint32_t)1U) {
+		ivc->notify(ivc);
+	}
+
+	return 0;
+}
+
+void tegra_ivc_channel_reset(const struct ivc *ivc)
+{
+	ivc->tx_channel->state = ivc_state_sync;
+	ivc->notify(ivc);
+}
+
+/*
+ * ===============================================================
+ *  IVC State Transition Table - see tegra_ivc_channel_notified()
+ * ===============================================================
+ *
+ *	local	remote	action
+ *	-----	------	-----------------------------------
+ *	SYNC	EST	<none>
+ *	SYNC	ACK	reset counters; move to EST; notify
+ *	SYNC	SYNC	reset counters; move to ACK; notify
+ *	ACK	EST	move to EST; notify
+ *	ACK	ACK	move to EST; notify
+ *	ACK	SYNC	reset counters; move to ACK; notify
+ *	EST	EST	<none>
+ *	EST	ACK	<none>
+ *	EST	SYNC	reset counters; move to ACK; notify
+ *
+ * ===============================================================
+ */
+int32_t tegra_ivc_channel_notified(struct ivc *ivc)
+{
+	uint32_t peer_state;
+
+	/* Copy the receiver's state out of shared memory. */
+	peer_state = ivc->rx_channel->state;
+
+	if (peer_state == (uint32_t)ivc_state_sync) {
+		/*
+		 * Order observation of ivc_state_sync before stores clearing
+		 * tx_channel.
+		 */
+		dmbld();
+
+		/*
+		 * Reset tx_channel counters. The remote end is in the SYNC
+		 * state and won't make progress until we change our state,
+		 * so the counters are not in use at this time.
+		 */
+		ivc->tx_channel->w_count = 0U;
+		ivc->rx_channel->r_count = 0U;
+
+		ivc->w_pos = 0U;
+		ivc->r_pos = 0U;
+
+		/*
+		 * Ensure that counters appear cleared before new state can be
+		 * observed.
+		 */
+		dmbst();
+
+		/*
+		 * Move to ACK state. We have just cleared our counters, so it
+		 * is now safe for the remote end to start using these values.
+		 */
+		ivc->tx_channel->state = ivc_state_ack;
+
+		/*
+		 * Notify remote end to observe state transition.
+		 */
+		ivc->notify(ivc);
+
+	} else if ((ivc->tx_channel->state == (uint32_t)ivc_state_sync) &&
+			(peer_state == (uint32_t)ivc_state_ack)) {
+		/*
+		 * Order observation of ivc_state_sync before stores clearing
+		 * tx_channel.
+		 */
+		dmbld();
+
+		/*
+		 * Reset tx_channel counters. The remote end is in the ACK
+		 * state and won't make progress until we change our state,
+		 * so the counters are not in use at this time.
+		 */
+		ivc->tx_channel->w_count = 0U;
+		ivc->rx_channel->r_count = 0U;
+
+		ivc->w_pos = 0U;
+		ivc->r_pos = 0U;
+
+		/*
+		 * Ensure that counters appear cleared before new state can be
+		 * observed.
+		 */
+		dmbst();
+
+		/*
+		 * Move to ESTABLISHED state. We know that the remote end has
+		 * already cleared its counters, so it is safe to start
+		 * writing/reading on this channel.
+		 */
+		ivc->tx_channel->state = ivc_state_established;
+
+		/*
+		 * Notify remote end to observe state transition.
+		 */
+		ivc->notify(ivc);
+
+	} else if (ivc->tx_channel->state == (uint32_t)ivc_state_ack) {
+		/*
+		 * At this point, we have observed the peer to be in either
+		 * the ACK or ESTABLISHED state. Next, order observation of
+		 * peer state before storing to tx_channel.
+		 */
+		dmbld();
+
+		/*
+		 * Move to ESTABLISHED state. We know that we have previously
+		 * cleared our counters, and we know that the remote end has
+		 * cleared its counters, so it is safe to start writing/reading
+		 * on this channel.
+		 */
+		ivc->tx_channel->state = ivc_state_established;
+
+		/*
+		 * Notify remote end to observe state transition.
+		 */
+		ivc->notify(ivc);
+
+	} else {
+		/*
+		 * There is no need to handle any further action. Either the
+		 * channel is already fully established, or we are waiting for
+		 * the remote end to catch up with our current state. Refer
+		 * to the diagram in "IVC State Transition Table" above.
+		 */
+	}
+
+	return ((ivc->tx_channel->state == (uint32_t)ivc_state_established) ? 0 : -EAGAIN);
+}
+
+size_t tegra_ivc_align(size_t size)
+{
+	return (size + (IVC_ALIGN - 1U)) & ~(IVC_ALIGN - 1U);
+}
+
+size_t tegra_ivc_total_queue_size(size_t queue_size)
+{
+	if ((queue_size & (IVC_ALIGN - 1U)) != 0U) {
+		ERROR("queue_size (%d) must be %d-byte aligned\n",
+				(int32_t)queue_size, IVC_ALIGN);
+		return 0;
+	}
+	return queue_size + sizeof(struct ivc_channel_header);
+}
+
+static int32_t check_ivc_params(uintptr_t queue_base1, uintptr_t queue_base2,
+		uint32_t nframes, uint32_t frame_size)
+{
+	assert((offsetof(struct ivc_channel_header, w_count)
+				& (IVC_ALIGN - 1U)) == 0U);
+	assert((offsetof(struct ivc_channel_header, r_count)
+				& (IVC_ALIGN - 1U)) == 0U);
+	assert((sizeof(struct ivc_channel_header) & (IVC_ALIGN - 1U)) == 0U);
+
+	if (((uint64_t)nframes * (uint64_t)frame_size) >= 0x100000000ULL) {
+		ERROR("nframes * frame_size overflows\n");
+		return -EINVAL;
+	}
+
+	/*
+	 * The headers must at least be aligned enough for counters
+	 * to be accessed atomically.
+	 */
+	if ((queue_base1 & (IVC_ALIGN - 1U)) != 0U) {
+		ERROR("ivc channel start not aligned: %lx\n", queue_base1);
+		return -EINVAL;
+	}
+	if ((queue_base2 & (IVC_ALIGN - 1U)) != 0U) {
+		ERROR("ivc channel start not aligned: %lx\n", queue_base2);
+		return -EINVAL;
+	}
+
+	if ((frame_size & (IVC_ALIGN - 1U)) != 0U) {
+		ERROR("frame size not adequately aligned: %u\n",
+				frame_size);
+		return -EINVAL;
+	}
+
+	if (queue_base1 < queue_base2) {
+		if ((queue_base1 + ((uint64_t)frame_size * nframes)) > queue_base2) {
+			ERROR("queue regions overlap: %lx + %x, %x\n",
+					queue_base1, frame_size,
+					frame_size * nframes);
+			return -EINVAL;
+		}
+	} else {
+		if ((queue_base2 + ((uint64_t)frame_size * nframes)) > queue_base1) {
+			ERROR("queue regions overlap: %lx + %x, %x\n",
+					queue_base2, frame_size,
+					frame_size * nframes);
+			return -EINVAL;
+		}
+	}
+
+	return 0;
+}
+
+int32_t tegra_ivc_init(struct ivc *ivc, uintptr_t rx_base, uintptr_t tx_base,
+		uint32_t nframes, uint32_t frame_size,
+		ivc_notify_function notify)
+{
+	int32_t result;
+
+	/* sanity check input params */
+	if ((ivc == NULL) || (notify == NULL)) {
+		return -EINVAL;
+	}
+
+	result = check_ivc_params(rx_base, tx_base, nframes, frame_size);
+	if (result != 0) {
+		return result;
+	}
+
+	/*
+	 * All sizes that can be returned by communication functions should
+	 * fit in a 32-bit integer.
+	 */
+	if (frame_size > (1u << 31)) {
+		return -E2BIG;
+	}
+
+	ivc->rx_channel = (struct ivc_channel_header *)rx_base;
+	ivc->tx_channel = (struct ivc_channel_header *)tx_base;
+	ivc->notify = notify;
+	ivc->frame_size = frame_size;
+	ivc->nframes = nframes;
+	ivc->w_pos = 0U;
+	ivc->r_pos = 0U;
+
+	INFO("%s: done\n", __func__);
+
+	return 0;
+}
diff --git a/plat/nvidia/tegra/drivers/bpmp_ipc/ivc.h b/plat/nvidia/tegra/drivers/bpmp_ipc/ivc.h
new file mode 100644
index 0000000..1b31821
--- /dev/null
+++ b/plat/nvidia/tegra/drivers/bpmp_ipc/ivc.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2017-2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef BPMP_IVC_H
+#define BPMP_IVC_H
+
+#include <lib/utils_def.h>
+#include <stdint.h>
+#include <stddef.h>
+
+#define IVC_ALIGN		U(64)
+#define IVC_CHHDR_TX_FIELDS	U(16)
+#define IVC_CHHDR_RX_FIELDS	U(16)
+
+struct ivc_channel_header;
+
+struct ivc {
+	struct ivc_channel_header *rx_channel;
+	struct ivc_channel_header *tx_channel;
+	uint32_t w_pos;
+	uint32_t r_pos;
+	void (*notify)(const struct ivc *);
+	uint32_t nframes;
+	uint32_t frame_size;
+};
+
+/* callback handler for notify on receiving a response */
+typedef void (* ivc_notify_function)(const struct ivc *);
+
+int32_t tegra_ivc_init(struct ivc *ivc, uintptr_t rx_base, uintptr_t tx_base,
+		uint32_t nframes, uint32_t frame_size,
+		ivc_notify_function notify);
+size_t tegra_ivc_total_queue_size(size_t queue_size);
+size_t tegra_ivc_align(size_t size);
+int32_t tegra_ivc_channel_notified(struct ivc *ivc);
+void tegra_ivc_channel_reset(const struct ivc *ivc);
+int32_t tegra_ivc_write_advance(struct ivc *ivc);
+void *tegra_ivc_write_get_next_frame(const struct ivc *ivc);
+int32_t tegra_ivc_write(struct ivc *ivc, const void *buf, size_t size);
+int32_t tegra_ivc_read_advance(struct ivc *ivc);
+void *tegra_ivc_read_get_next_frame(const struct ivc *ivc);
+int32_t tegra_ivc_read(struct ivc *ivc, void *buf, size_t max_read);
+bool tegra_ivc_tx_empty(const struct ivc *ivc);
+bool tegra_ivc_can_write(const struct ivc *ivc);
+bool tegra_ivc_can_read(const struct ivc *ivc);
+
+#endif /* BPMP_IVC_H */
diff --git a/plat/nvidia/tegra/drivers/flowctrl/flowctrl.c b/plat/nvidia/tegra/drivers/flowctrl/flowctrl.c
new file mode 100644
index 0000000..8f55554
--- /dev/null
+++ b/plat/nvidia/tegra/drivers/flowctrl/flowctrl.c
@@ -0,0 +1,322 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+
+#include <arch_helpers.h>
+#include <cortex_a53.h>
+#include <common/debug.h>
+#include <drivers/delay_timer.h>
+#include <lib/mmio.h>
+
+#include <flowctrl.h>
+#include <lib/utils_def.h>
+#include <pmc.h>
+#include <tegra_def.h>
+
+#define CLK_RST_DEV_L_SET		0x300
+#define CLK_RST_DEV_L_CLR		0x304
+#define  CLK_BPMP_RST			(1 << 1)
+
+#define EVP_BPMP_RESET_VECTOR		0x200
+
+static const uint64_t flowctrl_offset_cpu_csr[4] = {
+	(TEGRA_FLOWCTRL_BASE + FLOWCTRL_CPU0_CSR),
+	(TEGRA_FLOWCTRL_BASE + FLOWCTRL_CPU1_CSR),
+	(TEGRA_FLOWCTRL_BASE + FLOWCTRL_CPU1_CSR + 8),
+	(TEGRA_FLOWCTRL_BASE + FLOWCTRL_CPU1_CSR + 16)
+};
+
+static const uint64_t flowctrl_offset_halt_cpu[4] = {
+	(TEGRA_FLOWCTRL_BASE + FLOWCTRL_HALT_CPU0_EVENTS),
+	(TEGRA_FLOWCTRL_BASE + FLOWCTRL_HALT_CPU1_EVENTS),
+	(TEGRA_FLOWCTRL_BASE + FLOWCTRL_HALT_CPU1_EVENTS + 8),
+	(TEGRA_FLOWCTRL_BASE + FLOWCTRL_HALT_CPU1_EVENTS + 16)
+};
+
+static const uint64_t flowctrl_offset_cc4_ctrl[4] = {
+	(TEGRA_FLOWCTRL_BASE + FLOWCTRL_CC4_CORE0_CTRL),
+	(TEGRA_FLOWCTRL_BASE + FLOWCTRL_CC4_CORE0_CTRL + 4),
+	(TEGRA_FLOWCTRL_BASE + FLOWCTRL_CC4_CORE0_CTRL + 8),
+	(TEGRA_FLOWCTRL_BASE + FLOWCTRL_CC4_CORE0_CTRL + 12)
+};
+
+static inline void tegra_fc_cc4_ctrl(int cpu_id, uint32_t val)
+{
+	mmio_write_32(flowctrl_offset_cc4_ctrl[cpu_id], val);
+	val = mmio_read_32(flowctrl_offset_cc4_ctrl[cpu_id]);
+}
+
+static inline void tegra_fc_cpu_csr(int cpu_id, uint32_t val)
+{
+	mmio_write_32(flowctrl_offset_cpu_csr[cpu_id], val);
+	val = mmio_read_32(flowctrl_offset_cpu_csr[cpu_id]);
+}
+
+static inline void tegra_fc_halt_cpu(int cpu_id, uint32_t val)
+{
+	mmio_write_32(flowctrl_offset_halt_cpu[cpu_id], val);
+	val = mmio_read_32(flowctrl_offset_halt_cpu[cpu_id]);
+}
+
+static void tegra_fc_prepare_suspend(int cpu_id, uint32_t csr)
+{
+	uint32_t val;
+
+	val = FLOWCTRL_HALT_GIC_IRQ | FLOWCTRL_HALT_GIC_FIQ |
+	      FLOWCTRL_HALT_LIC_IRQ | FLOWCTRL_HALT_LIC_FIQ |
+	      FLOWCTRL_WAITEVENT;
+	tegra_fc_halt_cpu(cpu_id, val);
+
+	val = FLOWCTRL_CSR_INTR_FLAG | FLOWCTRL_CSR_EVENT_FLAG |
+	      FLOWCTRL_CSR_ENABLE | (FLOWCTRL_WAIT_WFI_BITMAP << cpu_id);
+	tegra_fc_cpu_csr(cpu_id, val | csr);
+}
+
+/*******************************************************************************
+ * After this, no core can wake from C7 until the action is reverted.
+ * If a wake up event is asserted, the FC state machine will stall until
+ * the action is reverted.
+ ******************************************************************************/
+void tegra_fc_ccplex_pgexit_lock(void)
+{
+	unsigned int i, cpu = read_mpidr() & MPIDR_CPU_MASK;
+	uint32_t flags = tegra_fc_read_32(FLOWCTRL_FC_SEQ_INTERCEPT) & ~INTERCEPT_IRQ_PENDING;;
+	uint32_t icept_cpu_flags[] = {
+		INTERCEPT_EXIT_PG_CORE0,
+		INTERCEPT_EXIT_PG_CORE1,
+		INTERCEPT_EXIT_PG_CORE2,
+		INTERCEPT_EXIT_PG_CORE3
+	};
+
+	/* set the intercept flags */
+	for (i = 0; i < ARRAY_SIZE(icept_cpu_flags); i++) {
+
+		/* skip current CPU */
+		if (i == cpu)
+			continue;
+
+		/* enable power gate exit intercept locks */
+		flags |= icept_cpu_flags[i];
+	}
+
+	tegra_fc_write_32(FLOWCTRL_FC_SEQ_INTERCEPT, flags);
+	(void)tegra_fc_read_32(FLOWCTRL_FC_SEQ_INTERCEPT);
+}
+
+/*******************************************************************************
+ * Revert the ccplex powergate exit locks
+ ******************************************************************************/
+void tegra_fc_ccplex_pgexit_unlock(void)
+{
+	/* clear lock bits, clear pending interrupts */
+	tegra_fc_write_32(FLOWCTRL_FC_SEQ_INTERCEPT, INTERCEPT_IRQ_PENDING);
+	(void)tegra_fc_read_32(FLOWCTRL_FC_SEQ_INTERCEPT);
+}
+
+/*******************************************************************************
+ * Powerdn the current CPU
+ ******************************************************************************/
+void tegra_fc_cpu_powerdn(uint32_t mpidr)
+{
+	int cpu = mpidr & MPIDR_CPU_MASK;
+
+	VERBOSE("CPU%d powering down...\n", cpu);
+	tegra_fc_prepare_suspend(cpu, 0);
+}
+
+/*******************************************************************************
+ * Suspend the current CPU cluster
+ ******************************************************************************/
+void tegra_fc_cluster_idle(uint32_t mpidr)
+{
+	int cpu = mpidr & MPIDR_CPU_MASK;
+	uint32_t val;
+
+	VERBOSE("Entering cluster idle state...\n");
+
+	tegra_fc_cc4_ctrl(cpu, 0);
+
+	/* hardware L2 flush is faster for A53 only */
+	tegra_fc_write_32(FLOWCTRL_L2_FLUSH_CONTROL,
+		!!MPIDR_AFFLVL1_VAL(mpidr));
+
+	/* suspend the CPU cluster */
+	val = FLOWCTRL_PG_CPU_NONCPU << FLOWCTRL_ENABLE_EXT;
+	tegra_fc_prepare_suspend(cpu, val);
+}
+
+/*******************************************************************************
+ * Power down the current CPU cluster
+ ******************************************************************************/
+void tegra_fc_cluster_powerdn(uint32_t mpidr)
+{
+	int cpu = mpidr & MPIDR_CPU_MASK;
+	uint32_t val;
+
+	VERBOSE("Entering cluster powerdn state...\n");
+
+	tegra_fc_cc4_ctrl(cpu, 0);
+
+	/* hardware L2 flush is faster for A53 only */
+	tegra_fc_write_32(FLOWCTRL_L2_FLUSH_CONTROL,
+		read_midr() == CORTEX_A53_MIDR);
+
+	/* power down the CPU cluster */
+	val = FLOWCTRL_TURNOFF_CPURAIL << FLOWCTRL_ENABLE_EXT;
+	tegra_fc_prepare_suspend(cpu, val);
+}
+
+/*******************************************************************************
+ * Check if cluster idle or power down state is allowed from this CPU
+ ******************************************************************************/
+bool tegra_fc_is_ccx_allowed(void)
+{
+	unsigned int i, cpu = read_mpidr() & MPIDR_CPU_MASK;
+	uint32_t val;
+	bool ccx_allowed = true;
+
+	for (i = 0; i < ARRAY_SIZE(flowctrl_offset_cpu_csr); i++) {
+
+		/* skip current CPU */
+		if (i == cpu)
+			continue;
+
+		/* check if all other CPUs are already halted */
+		val = mmio_read_32(flowctrl_offset_cpu_csr[i]);
+		if ((val & FLOWCTRL_CSR_HALT_MASK) == 0U) {
+			ccx_allowed = false;
+		}
+	}
+
+	return ccx_allowed;
+}
+
+/*******************************************************************************
+ * Suspend the entire SoC
+ ******************************************************************************/
+void tegra_fc_soc_powerdn(uint32_t mpidr)
+{
+	int cpu = mpidr & MPIDR_CPU_MASK;
+	uint32_t val;
+
+	VERBOSE("Entering SoC powerdn state...\n");
+
+	tegra_fc_cc4_ctrl(cpu, 0);
+
+	tegra_fc_write_32(FLOWCTRL_L2_FLUSH_CONTROL, 1);
+
+	val = FLOWCTRL_TURNOFF_CPURAIL << FLOWCTRL_ENABLE_EXT;
+	tegra_fc_prepare_suspend(cpu, val);
+
+	/* overwrite HALT register */
+	tegra_fc_halt_cpu(cpu, FLOWCTRL_WAITEVENT);
+}
+
+/*******************************************************************************
+ * Power up the CPU
+ ******************************************************************************/
+void tegra_fc_cpu_on(int cpu)
+{
+	tegra_fc_cpu_csr(cpu, FLOWCTRL_CSR_ENABLE);
+	tegra_fc_halt_cpu(cpu, FLOWCTRL_WAITEVENT | FLOWCTRL_HALT_SCLK);
+}
+
+/*******************************************************************************
+ * Power down the CPU
+ ******************************************************************************/
+void tegra_fc_cpu_off(int cpu)
+{
+	uint32_t val;
+
+	/*
+	 * Flow controller powers down the CPU during wfi. The CPU would be
+	 * powered on when it receives any interrupt.
+	 */
+	val = FLOWCTRL_CSR_INTR_FLAG | FLOWCTRL_CSR_EVENT_FLAG |
+		FLOWCTRL_CSR_ENABLE | (FLOWCTRL_WAIT_WFI_BITMAP << cpu);
+	tegra_fc_cpu_csr(cpu, val);
+	tegra_fc_halt_cpu(cpu, FLOWCTRL_WAITEVENT);
+	tegra_fc_cc4_ctrl(cpu, 0);
+}
+
+/*******************************************************************************
+ * Inform the BPMP that we have completed the cluster power up
+ ******************************************************************************/
+void tegra_fc_lock_active_cluster(void)
+{
+	uint32_t val;
+
+	val = tegra_fc_read_32(FLOWCTRL_BPMP_CLUSTER_CONTROL);
+	val |= FLOWCTRL_BPMP_CLUSTER_PWRON_LOCK;
+	tegra_fc_write_32(FLOWCTRL_BPMP_CLUSTER_CONTROL, val);
+	val = tegra_fc_read_32(FLOWCTRL_BPMP_CLUSTER_CONTROL);
+}
+
+/*******************************************************************************
+ * Power ON BPMP processor
+ ******************************************************************************/
+void tegra_fc_bpmp_on(uint32_t entrypoint)
+{
+	/* halt BPMP */
+	tegra_fc_write_32(FLOWCTRL_HALT_BPMP_EVENTS, FLOWCTRL_WAITEVENT);
+
+	/* Assert BPMP reset */
+	mmio_write_32(TEGRA_CAR_RESET_BASE + CLK_RST_DEV_L_SET, CLK_BPMP_RST);
+
+	/* Set reset address (stored in PMC_SCRATCH39) */
+	mmio_write_32(TEGRA_EVP_BASE + EVP_BPMP_RESET_VECTOR, entrypoint);
+	while (entrypoint != mmio_read_32(TEGRA_EVP_BASE + EVP_BPMP_RESET_VECTOR))
+		; /* wait till value reaches EVP_BPMP_RESET_VECTOR */
+
+	/* Wait for 2us before de-asserting the reset signal. */
+	udelay(2);
+
+	/* De-assert BPMP reset */
+	mmio_write_32(TEGRA_CAR_RESET_BASE + CLK_RST_DEV_L_CLR, CLK_BPMP_RST);
+
+	/* Un-halt BPMP */
+	tegra_fc_write_32(FLOWCTRL_HALT_BPMP_EVENTS, 0);
+}
+
+/*******************************************************************************
+ * Power OFF BPMP processor
+ ******************************************************************************/
+void tegra_fc_bpmp_off(void)
+{
+	/* halt BPMP */
+	tegra_fc_write_32(FLOWCTRL_HALT_BPMP_EVENTS, FLOWCTRL_WAITEVENT);
+
+	/* Assert BPMP reset */
+	mmio_write_32(TEGRA_CAR_RESET_BASE + CLK_RST_DEV_L_SET, CLK_BPMP_RST);
+
+	/* Clear reset address */
+	mmio_write_32(TEGRA_EVP_BASE + EVP_BPMP_RESET_VECTOR, 0);
+	while (0 != mmio_read_32(TEGRA_EVP_BASE + EVP_BPMP_RESET_VECTOR))
+		; /* wait till value reaches EVP_BPMP_RESET_VECTOR */
+}
+
+/*******************************************************************************
+ * Route legacy FIQ to the GICD
+ ******************************************************************************/
+void tegra_fc_enable_fiq_to_ccplex_routing(void)
+{
+	uint32_t val = tegra_fc_read_32(FLOW_CTLR_FLOW_DBG_QUAL);
+
+	/* set the bit to pass FIQs to the GICD */
+	tegra_fc_write_32(FLOW_CTLR_FLOW_DBG_QUAL, val | FLOWCTRL_FIQ2CCPLEX_ENABLE);
+}
+
+/*******************************************************************************
+ * Disable routing legacy FIQ to the GICD
+ ******************************************************************************/
+void tegra_fc_disable_fiq_to_ccplex_routing(void)
+{
+	uint32_t val = tegra_fc_read_32(FLOW_CTLR_FLOW_DBG_QUAL);
+
+	/* clear the bit to pass FIQs to the GICD */
+	tegra_fc_write_32(FLOW_CTLR_FLOW_DBG_QUAL, val & ~FLOWCTRL_FIQ2CCPLEX_ENABLE);
+}
diff --git a/plat/nvidia/tegra/drivers/gpcdma/gpcdma.c b/plat/nvidia/tegra/drivers/gpcdma/gpcdma.c
new file mode 100644
index 0000000..d68cdfd
--- /dev/null
+++ b/plat/nvidia/tegra/drivers/gpcdma/gpcdma.c
@@ -0,0 +1,188 @@
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <common/debug.h>
+#include <drivers/delay_timer.h>
+#include <errno.h>
+#include <gpcdma.h>
+#include <lib/mmio.h>
+#include <lib/utils_def.h>
+#include <platform_def.h>
+#include <stdbool.h>
+#include <tegra_def.h>
+
+/* DMA channel registers */
+#define DMA_CH_CSR				U(0x0)
+#define DMA_CH_CSR_WEIGHT_SHIFT			U(10)
+#define DMA_CH_CSR_XFER_MODE_SHIFT		U(21)
+#define DMA_CH_CSR_DMA_MODE_MEM2MEM		U(4)
+#define DMA_CH_CSR_DMA_MODE_FIXEDPATTERN	U(6)
+#define DMA_CH_CSR_IRQ_MASK_ENABLE		(U(1) << 15)
+#define DMA_CH_CSR_RUN_ONCE			(U(1) << 27)
+#define DMA_CH_CSR_ENABLE			(U(1) << 31)
+
+#define DMA_CH_STAT				U(0x4)
+#define DMA_CH_STAT_BUSY			(U(1) << 31)
+
+#define DMA_CH_SRC_PTR				U(0xC)
+
+#define DMA_CH_DST_PTR				U(0x10)
+
+#define DMA_CH_HI_ADR_PTR			U(0x14)
+#define DMA_CH_HI_ADR_PTR_SRC_MASK		U(0xFF)
+#define DMA_CH_HI_ADR_PTR_DST_SHIFT		U(16)
+#define DMA_CH_HI_ADR_PTR_DST_MASK		U(0xFF)
+
+#define DMA_CH_MC_SEQ				U(0x18)
+#define DMA_CH_MC_SEQ_REQ_CNT_SHIFT		U(25)
+#define DMA_CH_MC_SEQ_REQ_CNT_VAL		U(0x10)
+#define DMA_CH_MC_SEQ_BURST_SHIFT		U(23)
+#define DMA_CH_MC_SEQ_BURST_16_WORDS		U(0x3)
+
+#define DMA_CH_WORD_COUNT			U(0x20)
+#define DMA_CH_FIXED_PATTERN			U(0x34)
+#define DMA_CH_TZ				U(0x38)
+#define DMA_CH_TZ_ACCESS_ENABLE			U(0)
+#define DMA_CH_TZ_ACCESS_DISABLE		U(3)
+
+#define MAX_TRANSFER_SIZE			(1U*1024U*1024U*1024U)	/* 1GB */
+#define GPCDMA_TIMEOUT_MS			U(100)
+#define GPCDMA_RESET_BIT			(U(1) << 1)
+
+static bool init_done;
+
+static void tegra_gpcdma_write32(uint32_t offset, uint32_t val)
+{
+	mmio_write_32(TEGRA_GPCDMA_BASE + offset, val);
+}
+
+static uint32_t tegra_gpcdma_read32(uint32_t offset)
+{
+	return mmio_read_32(TEGRA_GPCDMA_BASE + offset);
+}
+
+static void tegra_gpcdma_init(void)
+{
+	/* assert reset for DMA engine */
+	mmio_write_32(TEGRA_CAR_RESET_BASE + TEGRA_GPCDMA_RST_SET_REG_OFFSET,
+		      GPCDMA_RESET_BIT);
+
+	udelay(2);
+
+	/* de-assert reset for DMA engine */
+	mmio_write_32(TEGRA_CAR_RESET_BASE + TEGRA_GPCDMA_RST_CLR_REG_OFFSET,
+		      GPCDMA_RESET_BIT);
+}
+
+static void tegra_gpcdma_memcpy_priv(uint64_t dst_addr, uint64_t src_addr,
+				     uint32_t num_bytes, uint32_t mode)
+{
+	uint32_t val, timeout = 0;
+	int32_t ret = 0;
+
+	/* sanity check byte count */
+	if ((num_bytes > MAX_TRANSFER_SIZE) || ((num_bytes & 0x3U) != U(0))) {
+		ret = -EINVAL;
+	}
+
+	/* initialise GPCDMA block */
+	if (!init_done) {
+		tegra_gpcdma_init();
+		init_done = true;
+	}
+
+	/* make sure channel isn't busy */
+	val = tegra_gpcdma_read32(DMA_CH_STAT);
+	if ((val & DMA_CH_STAT_BUSY) == DMA_CH_STAT_BUSY) {
+		ERROR("DMA channel is busy\n");
+		ret = -EBUSY;
+	}
+
+	if (ret == 0) {
+
+		/* disable any DMA transfers */
+		tegra_gpcdma_write32(DMA_CH_CSR, 0);
+
+		/* enable DMA access to TZDRAM */
+		tegra_gpcdma_write32(DMA_CH_TZ, DMA_CH_TZ_ACCESS_ENABLE);
+
+		/* configure MC sequencer */
+		val = (DMA_CH_MC_SEQ_REQ_CNT_VAL << DMA_CH_MC_SEQ_REQ_CNT_SHIFT) |
+		      (DMA_CH_MC_SEQ_BURST_16_WORDS << DMA_CH_MC_SEQ_BURST_SHIFT);
+		tegra_gpcdma_write32(DMA_CH_MC_SEQ, val);
+
+		/* reset fixed pattern */
+		tegra_gpcdma_write32(DMA_CH_FIXED_PATTERN, 0);
+
+		/* populate src and dst address registers */
+		tegra_gpcdma_write32(DMA_CH_SRC_PTR, (uint32_t)src_addr);
+		tegra_gpcdma_write32(DMA_CH_DST_PTR, (uint32_t)dst_addr);
+
+		val = (uint32_t)((src_addr >> 32) & DMA_CH_HI_ADR_PTR_SRC_MASK);
+		val |= (uint32_t)(((dst_addr >> 32) & DMA_CH_HI_ADR_PTR_DST_MASK) <<
+			DMA_CH_HI_ADR_PTR_DST_SHIFT);
+		tegra_gpcdma_write32(DMA_CH_HI_ADR_PTR, val);
+
+		/* transfer size (in words) */
+		tegra_gpcdma_write32(DMA_CH_WORD_COUNT, ((num_bytes >> 2) - 1U));
+
+		/* populate value for CSR */
+		val = (mode << DMA_CH_CSR_XFER_MODE_SHIFT) |
+		      DMA_CH_CSR_RUN_ONCE | (U(1) << DMA_CH_CSR_WEIGHT_SHIFT) |
+		      DMA_CH_CSR_IRQ_MASK_ENABLE;
+		tegra_gpcdma_write32(DMA_CH_CSR, val);
+
+		/* enable transfer */
+		val = tegra_gpcdma_read32(DMA_CH_CSR);
+		val |= DMA_CH_CSR_ENABLE;
+		tegra_gpcdma_write32(DMA_CH_CSR, val);
+
+		/* wait till transfer completes */
+		do {
+
+			/* read the status */
+			val = tegra_gpcdma_read32(DMA_CH_STAT);
+			if ((val & DMA_CH_STAT_BUSY) != DMA_CH_STAT_BUSY) {
+				break;
+			}
+
+			mdelay(1);
+			timeout++;
+
+		} while (timeout < GPCDMA_TIMEOUT_MS);
+
+		/* flag timeout error */
+		if (timeout == GPCDMA_TIMEOUT_MS) {
+			ERROR("DMA transfer timed out\n");
+		}
+
+		dsbsy();
+
+		/* disable DMA access to TZDRAM */
+		tegra_gpcdma_write32(DMA_CH_TZ, DMA_CH_TZ_ACCESS_DISABLE);
+		isb();
+	}
+}
+
+/*******************************************************************************
+ * Memcpy using GPCDMA block (Mem2Mem copy)
+ ******************************************************************************/
+void tegra_gpcdma_memcpy(uint64_t dst_addr, uint64_t src_addr,
+			 uint32_t num_bytes)
+{
+	tegra_gpcdma_memcpy_priv(dst_addr, src_addr, num_bytes,
+				 DMA_CH_CSR_DMA_MODE_MEM2MEM);
+}
+
+/*******************************************************************************
+ * Memset using GPCDMA block (Fixed pattern write)
+ ******************************************************************************/
+void tegra_gpcdma_zeromem(uint64_t dst_addr, uint32_t num_bytes)
+{
+	tegra_gpcdma_memcpy_priv(dst_addr, 0, num_bytes,
+				 DMA_CH_CSR_DMA_MODE_FIXEDPATTERN);
+}
diff --git a/plat/nvidia/tegra/drivers/memctrl/memctrl_v1.c b/plat/nvidia/tegra/drivers/memctrl/memctrl_v1.c
new file mode 100644
index 0000000..b3dcd2a
--- /dev/null
+++ b/plat/nvidia/tegra/drivers/memctrl/memctrl_v1.c
@@ -0,0 +1,212 @@
+/*
+ * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <string.h>
+
+#include <arch_helpers.h>
+#include <common/debug.h>
+#include <lib/mmio.h>
+#include <lib/utils.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+
+#include <memctrl.h>
+#include <memctrl_v1.h>
+#include <tegra_def.h>
+
+/* Video Memory base and size (live values) */
+static uint64_t video_mem_base;
+static uint64_t video_mem_size;
+
+/*
+ * Init SMMU.
+ */
+void tegra_memctrl_setup(void)
+{
+	/*
+	 * Setup the Memory controller to allow only secure accesses to
+	 * the TZDRAM carveout
+	 */
+	INFO("Tegra Memory Controller (v1)\n");
+
+	/* allow translations for all MC engines */
+	tegra_mc_write_32(MC_SMMU_TRANSLATION_ENABLE_0_0,
+			(unsigned int)MC_SMMU_TRANSLATION_ENABLE);
+	tegra_mc_write_32(MC_SMMU_TRANSLATION_ENABLE_1_0,
+			(unsigned int)MC_SMMU_TRANSLATION_ENABLE);
+	tegra_mc_write_32(MC_SMMU_TRANSLATION_ENABLE_2_0,
+			(unsigned int)MC_SMMU_TRANSLATION_ENABLE);
+	tegra_mc_write_32(MC_SMMU_TRANSLATION_ENABLE_3_0,
+			(unsigned int)MC_SMMU_TRANSLATION_ENABLE);
+	tegra_mc_write_32(MC_SMMU_TRANSLATION_ENABLE_4_0,
+			(unsigned int)MC_SMMU_TRANSLATION_ENABLE);
+
+	tegra_mc_write_32(MC_SMMU_ASID_SECURITY_0, MC_SMMU_ASID_SECURITY);
+
+	tegra_mc_write_32(MC_SMMU_TLB_CONFIG_0, MC_SMMU_TLB_CONFIG_0_RESET_VAL);
+	tegra_mc_write_32(MC_SMMU_PTC_CONFIG_0, MC_SMMU_PTC_CONFIG_0_RESET_VAL);
+
+	/* flush PTC and TLB */
+	tegra_mc_write_32(MC_SMMU_PTC_FLUSH_0, MC_SMMU_PTC_FLUSH_ALL);
+	(void)tegra_mc_read_32(MC_SMMU_CONFIG_0); /* read to flush writes */
+	tegra_mc_write_32(MC_SMMU_TLB_FLUSH_0, MC_SMMU_TLB_FLUSH_ALL);
+
+	/* enable SMMU */
+	tegra_mc_write_32(MC_SMMU_CONFIG_0,
+			  MC_SMMU_CONFIG_0_SMMU_ENABLE_ENABLE);
+	(void)tegra_mc_read_32(MC_SMMU_CONFIG_0); /* read to flush writes */
+
+	/* video memory carveout */
+	tegra_mc_write_32(MC_VIDEO_PROTECT_BASE_HI,
+			  (uint32_t)(video_mem_base >> 32));
+	tegra_mc_write_32(MC_VIDEO_PROTECT_BASE_LO, (uint32_t)video_mem_base);
+	tegra_mc_write_32(MC_VIDEO_PROTECT_SIZE_MB, video_mem_size);
+}
+
+/*
+ * Restore Memory Controller settings after "System Suspend"
+ */
+void tegra_memctrl_restore_settings(void)
+{
+	tegra_memctrl_setup();
+}
+
+/*
+ * Secure the BL31 DRAM aperture.
+ *
+ * phys_base = physical base of TZDRAM aperture
+ * size_in_bytes = size of aperture in bytes
+ */
+void tegra_memctrl_tzdram_setup(uint64_t phys_base, uint32_t size_in_bytes)
+{
+	/*
+	 * Setup the Memory controller to allow only secure accesses to
+	 * the TZDRAM carveout
+	 */
+	INFO("Configuring TrustZone DRAM Memory Carveout\n");
+
+	tegra_mc_write_32(MC_SECURITY_CFG0_0, phys_base);
+	tegra_mc_write_32(MC_SECURITY_CFG1_0, size_in_bytes >> 20);
+}
+
+static void tegra_clear_videomem(uintptr_t non_overlap_area_start,
+				 unsigned long long non_overlap_area_size)
+{
+	int ret;
+
+	/*
+	 * Map the NS memory first, clean it and then unmap it.
+	 */
+	ret = mmap_add_dynamic_region(non_overlap_area_start, /* PA */
+				non_overlap_area_start, /* VA */
+				non_overlap_area_size, /* size */
+				MT_NS | MT_RW | MT_EXECUTE_NEVER |
+				MT_NON_CACHEABLE); /* attrs */
+	assert(ret == 0);
+
+	zeromem((void *)non_overlap_area_start, non_overlap_area_size);
+	flush_dcache_range(non_overlap_area_start, non_overlap_area_size);
+
+	mmap_remove_dynamic_region(non_overlap_area_start,
+		non_overlap_area_size);
+}
+
+/*
+ * Program the Video Memory carveout region
+ *
+ * phys_base = physical base of aperture
+ * size_in_bytes = size of aperture in bytes
+ */
+void tegra_memctrl_videomem_setup(uint64_t phys_base, uint32_t size_in_bytes)
+{
+	uintptr_t vmem_end_old = video_mem_base + (video_mem_size << 20);
+	uintptr_t vmem_end_new = phys_base + size_in_bytes;
+	unsigned long long non_overlap_area_size;
+
+	/*
+	 * Setup the Memory controller to restrict CPU accesses to the Video
+	 * Memory region
+	 */
+	INFO("Configuring Video Memory Carveout\n");
+
+	/*
+	 * Configure Memory Controller directly for the first time.
+	 */
+	if (video_mem_base == 0)
+		goto done;
+
+	/*
+	 * Clear the old regions now being exposed. The following cases
+	 * can occur -
+	 *
+	 * 1. clear whole old region (no overlap with new region)
+	 * 2. clear old sub-region below new base
+	 * 3. clear old sub-region above new end
+	 */
+	INFO("Cleaning previous Video Memory Carveout\n");
+
+	if (phys_base > vmem_end_old || video_mem_base > vmem_end_new) {
+		tegra_clear_videomem(video_mem_base, video_mem_size << 20);
+	} else {
+		if (video_mem_base < phys_base) {
+			non_overlap_area_size = phys_base - video_mem_base;
+			tegra_clear_videomem(video_mem_base, non_overlap_area_size);
+		}
+		if (vmem_end_old > vmem_end_new) {
+			non_overlap_area_size = vmem_end_old - vmem_end_new;
+			tegra_clear_videomem(vmem_end_new, non_overlap_area_size);
+		}
+	}
+
+done:
+	tegra_mc_write_32(MC_VIDEO_PROTECT_BASE_HI, (uint32_t)(phys_base >> 32));
+	tegra_mc_write_32(MC_VIDEO_PROTECT_BASE_LO, (uint32_t)phys_base);
+	tegra_mc_write_32(MC_VIDEO_PROTECT_SIZE_MB, size_in_bytes >> 20);
+
+	/* store new values */
+	video_mem_base = phys_base;
+	video_mem_size = size_in_bytes >> 20;
+}
+
+/*
+ * During boot, USB3 and flash media (SDMMC/SATA) devices need access to
+ * IRAM. Because these clients connect to the MC and do not have a direct
+ * path to the IRAM, the MC implements AHB redirection during boot to allow
+ * path to IRAM. In this mode, accesses to a programmed memory address aperture
+ * are directed to the AHB bus, allowing access to the IRAM. The AHB aperture
+ * is defined by the IRAM_BASE_LO and IRAM_BASE_HI registers, which are
+ * initialized to disable this aperture.
+ *
+ * Once bootup is complete, we must program IRAM base to 0xffffffff and
+ * IRAM top to 0x00000000, thus disabling access to IRAM. DRAM is then
+ * potentially accessible in this address range. These aperture registers
+ * also have an access_control/lock bit. After disabling the aperture, the
+ * access_control register should be programmed to lock the registers.
+ */
+void tegra_memctrl_disable_ahb_redirection(void)
+{
+	/* program the aperture registers */
+	tegra_mc_write_32(MC_IRAM_BASE_LO, 0xFFFFFFFF);
+	tegra_mc_write_32(MC_IRAM_TOP_LO, 0);
+	tegra_mc_write_32(MC_IRAM_BASE_TOP_HI, 0);
+
+	/* lock the aperture registers */
+	tegra_mc_write_32(MC_IRAM_REG_CTRL, MC_DISABLE_IRAM_CFG_WRITES);
+}
+
+void tegra_memctrl_clear_pending_interrupts(void)
+{
+	uint32_t mcerr;
+
+	/* check if there are any pending interrupts */
+	mcerr = mmio_read_32(TEGRA_MC_BASE + MC_INTSTATUS);
+
+	if (mcerr != (uint32_t)0U) { /* should not see error here */
+		WARN("MC_INTSTATUS = 0x%x (should be zero)\n", mcerr);
+		mmio_write_32((TEGRA_MC_BASE + MC_INTSTATUS),  mcerr);
+	}
+}
diff --git a/plat/nvidia/tegra/drivers/memctrl/memctrl_v2.c b/plat/nvidia/tegra/drivers/memctrl/memctrl_v2.c
new file mode 100644
index 0000000..92120b5
--- /dev/null
+++ b/plat/nvidia/tegra/drivers/memctrl/memctrl_v2.c
@@ -0,0 +1,354 @@
+/*
+ * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2019-2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <string.h>
+
+#include <arch_helpers.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <lib/mmio.h>
+#include <lib/utils.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+
+#include <mce.h>
+#include <memctrl.h>
+#include <memctrl_v2.h>
+#include <smmu.h>
+#include <tegra_def.h>
+#include <tegra_platform.h>
+#include <tegra_private.h>
+
+/* Video Memory base and size (live values) */
+static uint64_t video_mem_base;
+static uint64_t video_mem_size_mb;
+
+/*
+ * Init Memory controller during boot.
+ */
+void tegra_memctrl_setup(void)
+{
+	INFO("Tegra Memory Controller (v2)\n");
+
+	/* Initialize the System memory management unit */
+	tegra_smmu_init();
+
+	/* allow platforms to program custom memory controller settings */
+	plat_memctrl_setup();
+
+	/*
+	 * All requests at boot time, and certain requests during
+	 * normal run time, are physically addressed and must bypass
+	 * the SMMU. The client hub logic implements a hardware bypass
+	 * path around the Translation Buffer Units (TBU). During
+	 * boot-time, the SMMU_BYPASS_CTRL register (which defaults to
+	 * TBU_BYPASS mode) will be used to steer all requests around
+	 * the uninitialized TBUs. During normal operation, this register
+	 * is locked into TBU_BYPASS_SID config, which routes requests
+	 * with special StreamID 0x7f on the bypass path and all others
+	 * through the selected TBU. This is done to disable SMMU Bypass
+	 * mode, as it could be used to circumvent SMMU security checks.
+	 */
+	tegra_mc_write_32(MC_SMMU_BYPASS_CONFIG,
+			  MC_SMMU_BYPASS_CONFIG_SETTINGS);
+}
+
+/*
+ * Restore Memory Controller settings after "System Suspend"
+ */
+void tegra_memctrl_restore_settings(void)
+{
+	/* restore platform's memory controller settings */
+	plat_memctrl_restore();
+
+	/* video memory carveout region */
+	if (video_mem_base != 0ULL) {
+		tegra_mc_write_32(MC_VIDEO_PROTECT_BASE_LO,
+				  (uint32_t)video_mem_base);
+		assert(tegra_mc_read_32(MC_VIDEO_PROTECT_BASE_LO)
+			 == (uint32_t)video_mem_base);
+		tegra_mc_write_32(MC_VIDEO_PROTECT_BASE_HI,
+				  (uint32_t)(video_mem_base >> 32));
+		assert(tegra_mc_read_32(MC_VIDEO_PROTECT_BASE_HI)
+			 == (uint32_t)(video_mem_base >> 32));
+		tegra_mc_write_32(MC_VIDEO_PROTECT_SIZE_MB,
+				  (uint32_t)video_mem_size_mb);
+		assert(tegra_mc_read_32(MC_VIDEO_PROTECT_SIZE_MB)
+			 == (uint32_t)video_mem_size_mb);
+
+		/*
+		 * MCE propagates the VideoMem configuration values across the
+		 * CCPLEX.
+		 */
+		mce_update_gsc_videomem();
+	}
+}
+
+/*
+ * Secure the BL31 DRAM aperture.
+ *
+ * phys_base = physical base of TZDRAM aperture
+ * size_in_bytes = size of aperture in bytes
+ */
+void tegra_memctrl_tzdram_setup(uint64_t phys_base, uint32_t size_in_bytes)
+{
+	/*
+	 * Perform platform specific steps.
+	 */
+	plat_memctrl_tzdram_setup(phys_base, size_in_bytes);
+}
+
+/*
+ * Secure the BL31 TZRAM aperture.
+ *
+ * phys_base = physical base of TZRAM aperture
+ * size_in_bytes = size of aperture in bytes
+ */
+void tegra_memctrl_tzram_setup(uint64_t phys_base, uint32_t size_in_bytes)
+{
+	; /* do nothing */
+}
+
+/*
+ * Save MC settings before "System Suspend" to TZDRAM
+ */
+void tegra_mc_save_context(uint64_t mc_ctx_addr)
+{
+	uint32_t i, num_entries = 0;
+	mc_regs_t *mc_ctx_regs;
+	const plat_params_from_bl2_t *params_from_bl2 = bl31_get_plat_params();
+	uint64_t tzdram_base = params_from_bl2->tzdram_base;
+	uint64_t tzdram_end = tzdram_base + params_from_bl2->tzdram_size;
+
+	assert((mc_ctx_addr >= tzdram_base) && (mc_ctx_addr <= tzdram_end));
+
+	/* get MC context table */
+	mc_ctx_regs = plat_memctrl_get_sys_suspend_ctx();
+	assert(mc_ctx_regs != NULL);
+
+	/*
+	 * mc_ctx_regs[0].val contains the size of the context table minus
+	 * the last entry. Sanity check the table size before we start with
+	 * the context save operation.
+	 */
+	while (mc_ctx_regs[num_entries].reg != 0xFFFFFFFFU) {
+		num_entries++;
+	}
+
+	/* panic if the sizes do not match */
+	if (num_entries != mc_ctx_regs[0].val) {
+		ERROR("MC context size mismatch!");
+		panic();
+	}
+
+	/* save MC register values */
+	for (i = 1U; i < num_entries; i++) {
+		mc_ctx_regs[i].val = mmio_read_32(mc_ctx_regs[i].reg);
+	}
+
+	/* increment by 1 to take care of the last entry */
+	num_entries++;
+
+	/* Save MC config settings */
+	(void)memcpy((void *)mc_ctx_addr, mc_ctx_regs,
+			sizeof(mc_regs_t) * num_entries);
+
+	/* save the MC table address */
+	mmio_write_32(TEGRA_SCRATCH_BASE + SCRATCH_MC_TABLE_ADDR_LO,
+		(uint32_t)mc_ctx_addr);
+	assert(mmio_read_32(TEGRA_SCRATCH_BASE + SCRATCH_MC_TABLE_ADDR_LO)
+		== (uint32_t)mc_ctx_addr);
+	mmio_write_32(TEGRA_SCRATCH_BASE + SCRATCH_MC_TABLE_ADDR_HI,
+		(uint32_t)(mc_ctx_addr >> 32));
+	assert(mmio_read_32(TEGRA_SCRATCH_BASE + SCRATCH_MC_TABLE_ADDR_HI)
+		== (uint32_t)(mc_ctx_addr >> 32));
+}
+
+static void tegra_lock_videomem_nonoverlap(uint64_t phys_base,
+					   uint64_t size_in_bytes)
+{
+	uint32_t index;
+	uint64_t total_128kb_blocks = size_in_bytes >> 17;
+	uint64_t residual_4kb_blocks = (size_in_bytes & (uint32_t)0x1FFFF) >> 12;
+	uint64_t val;
+
+	/*
+	 * Reset the access configuration registers to restrict access to
+	 * old Videomem aperture
+	 */
+	for (index = MC_VIDEO_PROTECT_CLEAR_ACCESS_CFG0;
+	     index < ((uint32_t)MC_VIDEO_PROTECT_CLEAR_ACCESS_CFG0 + (uint32_t)MC_GSC_CONFIG_REGS_SIZE);
+	     index += 4U) {
+		tegra_mc_write_32(index, 0);
+	}
+
+	/*
+	 * Set the base. It must be 4k aligned, at least.
+	 */
+	assert((phys_base & (uint64_t)0xFFF) == 0U);
+	tegra_mc_write_32(MC_VIDEO_PROTECT_CLEAR_BASE_LO, (uint32_t)phys_base);
+	tegra_mc_write_32(MC_VIDEO_PROTECT_CLEAR_BASE_HI,
+		(uint32_t)(phys_base >> 32) & (uint32_t)MC_GSC_BASE_HI_MASK);
+
+	/*
+	 * Set the aperture size
+	 *
+	 * total size = (number of 128KB blocks) + (number of remaining 4KB
+	 * blocks)
+	 *
+	 */
+	val = (uint32_t)((residual_4kb_blocks << MC_GSC_SIZE_RANGE_4KB_SHIFT) |
+			 total_128kb_blocks);
+	tegra_mc_write_32(MC_VIDEO_PROTECT_CLEAR_SIZE, (uint32_t)val);
+
+	/*
+	 * Lock the configuration settings by enabling TZ-only lock and
+	 * locking the configuration against any future changes from NS
+	 * world.
+	 */
+	tegra_mc_write_32(MC_VIDEO_PROTECT_CLEAR_CFG,
+			  (uint32_t)MC_GSC_ENABLE_TZ_LOCK_BIT);
+
+	/*
+	 * MCE propagates the GSC configuration values across the
+	 * CCPLEX.
+	 */
+}
+
+static void tegra_unlock_videomem_nonoverlap(void)
+{
+	/* Clear the base */
+	tegra_mc_write_32(MC_VIDEO_PROTECT_CLEAR_BASE_LO, 0);
+	tegra_mc_write_32(MC_VIDEO_PROTECT_CLEAR_BASE_HI, 0);
+
+	/* Clear the size */
+	tegra_mc_write_32(MC_VIDEO_PROTECT_CLEAR_SIZE, 0);
+}
+
+static void tegra_clear_videomem(uintptr_t non_overlap_area_start,
+				 unsigned long long non_overlap_area_size)
+{
+	int ret;
+
+	INFO("Cleaning previous Video Memory Carveout\n");
+
+	/*
+	 * Map the NS memory first, clean it and then unmap it.
+	 */
+	ret = mmap_add_dynamic_region(non_overlap_area_start, /* PA */
+				non_overlap_area_start, /* VA */
+				non_overlap_area_size, /* size */
+				MT_DEVICE | MT_RW | MT_NS); /* attrs */
+	assert(ret == 0);
+
+	zeromem((void *)non_overlap_area_start, non_overlap_area_size);
+	flush_dcache_range(non_overlap_area_start, non_overlap_area_size);
+
+	ret = mmap_remove_dynamic_region(non_overlap_area_start,
+		non_overlap_area_size);
+	assert(ret == 0);
+}
+
+static void tegra_clear_videomem_nonoverlap(uintptr_t phys_base,
+		unsigned long size_in_bytes)
+{
+	uintptr_t vmem_end_old = video_mem_base + (video_mem_size_mb << 20);
+	uintptr_t vmem_end_new = phys_base + size_in_bytes;
+	unsigned long long non_overlap_area_size;
+
+	/*
+	 * Clear the old regions now being exposed. The following cases
+	 * can occur -
+	 *
+	 * 1. clear whole old region (no overlap with new region)
+	 * 2. clear old sub-region below new base
+	 * 3. clear old sub-region above new end
+	 */
+	if ((phys_base > vmem_end_old) || (video_mem_base > vmem_end_new)) {
+		tegra_clear_videomem(video_mem_base,
+				     video_mem_size_mb << 20U);
+	} else {
+		if (video_mem_base < phys_base) {
+			non_overlap_area_size = phys_base - video_mem_base;
+			tegra_clear_videomem(video_mem_base, non_overlap_area_size);
+		}
+		if (vmem_end_old > vmem_end_new) {
+			non_overlap_area_size = vmem_end_old - vmem_end_new;
+			tegra_clear_videomem(vmem_end_new, non_overlap_area_size);
+		}
+	}
+}
+
+/*
+ * Program the Video Memory carveout region
+ *
+ * phys_base = physical base of aperture
+ * size_in_bytes = size of aperture in bytes
+ */
+void tegra_memctrl_videomem_setup(uint64_t phys_base, uint32_t size_in_bytes)
+{
+	/*
+	 * Setup the Memory controller to restrict CPU accesses to the Video
+	 * Memory region
+	 */
+
+	INFO("Configuring Video Memory Carveout\n");
+
+	if (video_mem_base != 0U) {
+		/*
+		 * Lock the non overlapping memory being cleared so that
+		 * other masters do not accidently write to it. The memory
+		 * would be unlocked once the non overlapping region is
+		 * cleared and the new memory settings take effect.
+		 */
+		tegra_lock_videomem_nonoverlap(video_mem_base,
+			video_mem_size_mb << 20);
+	}
+
+	/* program the Videomem aperture */
+	tegra_mc_write_32(MC_VIDEO_PROTECT_BASE_LO, (uint32_t)phys_base);
+	tegra_mc_write_32(MC_VIDEO_PROTECT_BASE_HI,
+			  (uint32_t)(phys_base >> 32));
+	tegra_mc_write_32(MC_VIDEO_PROTECT_SIZE_MB, size_in_bytes >> 20);
+
+	/* Redundancy check for Video Protect setting */
+	assert(tegra_mc_read_32(MC_VIDEO_PROTECT_BASE_LO)
+		 == (uint32_t)phys_base);
+	assert(tegra_mc_read_32(MC_VIDEO_PROTECT_BASE_HI)
+		 == (uint32_t)(phys_base >> 32));
+	assert(tegra_mc_read_32(MC_VIDEO_PROTECT_SIZE_MB)
+		 == (size_in_bytes >> 20));
+
+	/*
+	 * MCE propagates the VideoMem configuration values across the
+	 * CCPLEX.
+	 */
+	(void)mce_update_gsc_videomem();
+
+	/* Clear the non-overlapping memory */
+	if (video_mem_base != 0U) {
+		tegra_clear_videomem_nonoverlap(phys_base, size_in_bytes);
+		tegra_unlock_videomem_nonoverlap();
+	}
+
+	/* store new values */
+	video_mem_base = phys_base;
+	video_mem_size_mb = (uint64_t)size_in_bytes >> 20;
+}
+
+/*
+ * This feature exists only for v1 of the Tegra Memory Controller.
+ */
+void tegra_memctrl_disable_ahb_redirection(void)
+{
+	; /* do nothing */
+}
+
+void tegra_memctrl_clear_pending_interrupts(void)
+{
+	; /* do nothing */
+}
diff --git a/plat/nvidia/tegra/drivers/pmc/pmc.c b/plat/nvidia/tegra/drivers/pmc/pmc.c
new file mode 100644
index 0000000..6c5a73b
--- /dev/null
+++ b/plat/nvidia/tegra/drivers/pmc/pmc.c
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+
+#include <arch_helpers.h>
+#include <common/debug.h>
+#include <lib/mmio.h>
+
+#include <pmc.h>
+#include <tegra_def.h>
+
+#define RESET_ENABLE	0x10U
+
+/* Module IDs used during power ungate procedure */
+static const uint32_t pmc_cpu_powergate_id[4] = {
+	14, /* CPU 0 */
+	9, /* CPU 1 */
+	10, /* CPU 2 */
+	11 /* CPU 3 */
+};
+
+/*******************************************************************************
+ * Power ungate CPU to start the boot process. CPU reset vectors must be
+ * populated before calling this function.
+ ******************************************************************************/
+void tegra_pmc_cpu_on(int32_t cpu)
+{
+	uint32_t val;
+
+	/*
+	 * Check if CPU is already power ungated
+	 */
+	val = tegra_pmc_read_32(PMC_PWRGATE_STATUS);
+	if ((val & (1U << pmc_cpu_powergate_id[cpu])) == 0U) {
+		/*
+		 * The PMC deasserts the START bit when it starts the power
+		 * ungate process. Loop till no power toggle is in progress.
+		 */
+		do {
+			val = tegra_pmc_read_32(PMC_PWRGATE_TOGGLE);
+		} while ((val & PMC_TOGGLE_START) != 0U);
+
+		/*
+		 * Start the power ungate procedure
+		 */
+		val = pmc_cpu_powergate_id[cpu] | PMC_TOGGLE_START;
+		tegra_pmc_write_32(PMC_PWRGATE_TOGGLE, val);
+
+		/*
+		 * The PMC deasserts the START bit when it starts the power
+		 * ungate process. Loop till powergate START bit is asserted.
+		 */
+		do {
+			val = tegra_pmc_read_32(PMC_PWRGATE_TOGGLE);
+		} while ((val & (1U << 8)) != 0U);
+
+		/* loop till the CPU is power ungated */
+		do {
+			val = tegra_pmc_read_32(PMC_PWRGATE_STATUS);
+		} while ((val & (1U << pmc_cpu_powergate_id[cpu])) == 0U);
+	}
+}
+
+/*******************************************************************************
+ * Setup CPU vectors for resume from deep sleep
+ ******************************************************************************/
+void tegra_pmc_cpu_setup(uint64_t reset_addr)
+{
+	uint32_t val;
+
+	tegra_pmc_write_32(PMC_SECURE_SCRATCH34,
+			   ((uint32_t)reset_addr & 0xFFFFFFFFU) | 1U);
+	val = (uint32_t)(reset_addr >> 32U);
+	tegra_pmc_write_32(PMC_SECURE_SCRATCH35, val & 0x7FFU);
+}
+
+/*******************************************************************************
+ * Lock CPU vectors to restrict further writes
+ ******************************************************************************/
+void tegra_pmc_lock_cpu_vectors(void)
+{
+	uint32_t val;
+
+	/* lock PMC_SECURE_SCRATCH22 */
+	val = tegra_pmc_read_32(PMC_SECURE_DISABLE2);
+	val |= PMC_SECURE_DISABLE2_WRITE22_ON;
+	tegra_pmc_write_32(PMC_SECURE_DISABLE2, val);
+
+	/* lock PMC_SECURE_SCRATCH34/35 */
+	val = tegra_pmc_read_32(PMC_SECURE_DISABLE3);
+	val |= (PMC_SECURE_DISABLE3_WRITE34_ON |
+		PMC_SECURE_DISABLE3_WRITE35_ON);
+	tegra_pmc_write_32(PMC_SECURE_DISABLE3, val);
+}
+
+/*******************************************************************************
+ * Find out if this is the last standing CPU
+ ******************************************************************************/
+bool tegra_pmc_is_last_on_cpu(void)
+{
+	int i, cpu = read_mpidr() & MPIDR_CPU_MASK;
+	uint32_t val = tegra_pmc_read_32(PMC_PWRGATE_STATUS);;
+	bool status = true;
+
+	/* check if this is the last standing CPU */
+	for (i = 0; i < PLATFORM_MAX_CPUS_PER_CLUSTER; i++) {
+
+		/* skip the current CPU */
+		if (i == cpu)
+			continue;
+
+		/* are other CPUs already power gated? */
+		if ((val & ((uint32_t)1 << pmc_cpu_powergate_id[i])) != 0U) {
+			status = false;
+		}
+	}
+
+	return status;
+}
+
+/*******************************************************************************
+ * Handler to be called on exiting System suspend. Right now only DPD registers
+ * are cleared.
+ ******************************************************************************/
+void tegra_pmc_resume(void)
+{
+
+	/* Clear DPD sample */
+	mmio_write_32((TEGRA_PMC_BASE + PMC_IO_DPD_SAMPLE), 0x0);
+
+	/* Clear DPD Enable */
+	mmio_write_32((TEGRA_PMC_BASE + PMC_DPD_ENABLE_0), 0x0);
+}
+
+/*******************************************************************************
+ * Restart the system
+ ******************************************************************************/
+__dead2 void tegra_pmc_system_reset(void)
+{
+	uint32_t reg;
+
+	reg = tegra_pmc_read_32(PMC_CONFIG);
+	reg |= RESET_ENABLE;		/* restart */
+	tegra_pmc_write_32(PMC_CONFIG, reg);
+	wfi();
+
+	ERROR("Tegra System Reset: operation not handled.\n");
+	panic();
+}
diff --git a/plat/nvidia/tegra/drivers/smmu/smmu.c b/plat/nvidia/tegra/drivers/smmu/smmu.c
new file mode 100644
index 0000000..4189b00
--- /dev/null
+++ b/plat/nvidia/tegra/drivers/smmu/smmu.c
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <string.h>
+
+#include <platform_def.h>
+
+#include <common/bl_common.h>
+#include <common/debug.h>
+
+#include <smmu.h>
+#include <tegra_platform.h>
+#include <tegra_private.h>
+
+extern void memcpy16(void *dest, const void *src, unsigned int length);
+
+#define SMMU_NUM_CONTEXTS		64U
+#define SMMU_CONTEXT_BANK_MAX_IDX	64U
+
+#define MISMATCH_DETECTED		0x55AA55AAU
+
+/*
+ * Init SMMU during boot or "System Suspend" exit
+ */
+void tegra_smmu_init(void)
+{
+	uint32_t val, cb_idx, smmu_id, ctx_base;
+	uint32_t num_smmu_devices = plat_get_num_smmu_devices();
+
+	for (smmu_id = 0U; smmu_id < num_smmu_devices; smmu_id++) {
+		/* Program the SMMU pagesize and reset CACHE_LOCK bit */
+		val = tegra_smmu_read_32(smmu_id, SMMU_GSR0_SECURE_ACR);
+		val |= SMMU_GSR0_PGSIZE_64K;
+		val &= (uint32_t)~SMMU_ACR_CACHE_LOCK_ENABLE_BIT;
+		tegra_smmu_write_32(smmu_id, SMMU_GSR0_SECURE_ACR, val);
+
+		/* reset CACHE LOCK bit for NS Aux. Config. Register */
+		val = tegra_smmu_read_32(smmu_id, SMMU_GNSR_ACR);
+		val &= (uint32_t)~SMMU_ACR_CACHE_LOCK_ENABLE_BIT;
+		tegra_smmu_write_32(smmu_id, SMMU_GNSR_ACR, val);
+
+		/* disable TCU prefetch for all contexts */
+		ctx_base = (SMMU_GSR0_PGSIZE_64K * SMMU_NUM_CONTEXTS)
+				+ SMMU_CBn_ACTLR;
+		for (cb_idx = 0U; cb_idx < SMMU_CONTEXT_BANK_MAX_IDX; cb_idx++) {
+			val = tegra_smmu_read_32(smmu_id,
+				ctx_base + (SMMU_GSR0_PGSIZE_64K * cb_idx));
+			val &= (uint32_t)~SMMU_CBn_ACTLR_CPRE_BIT;
+			tegra_smmu_write_32(smmu_id, ctx_base +
+				(SMMU_GSR0_PGSIZE_64K * cb_idx), val);
+		}
+
+		/* set CACHE LOCK bit for NS Aux. Config. Register */
+		val = tegra_smmu_read_32(smmu_id, SMMU_GNSR_ACR);
+		val |= (uint32_t)SMMU_ACR_CACHE_LOCK_ENABLE_BIT;
+		tegra_smmu_write_32(smmu_id, SMMU_GNSR_ACR, val);
+
+		/* set CACHE LOCK bit for S Aux. Config. Register */
+		val = tegra_smmu_read_32(smmu_id, SMMU_GSR0_SECURE_ACR);
+		val |= (uint32_t)SMMU_ACR_CACHE_LOCK_ENABLE_BIT;
+		tegra_smmu_write_32(smmu_id, SMMU_GSR0_SECURE_ACR, val);
+	}
+}
+
+/*
+ * Verify SMMU settings have not been altered during boot
+ */
+void tegra_smmu_verify(void)
+{
+	uint32_t cb_idx, ctx_base, smmu_id, val;
+	uint32_t num_smmu_devices = plat_get_num_smmu_devices();
+	uint32_t mismatch = 0U;
+
+	for (smmu_id = 0U; smmu_id < num_smmu_devices; smmu_id++) {
+		/* check PGSIZE_64K bit inr S Aux. Config. Register */
+		val = tegra_smmu_read_32(smmu_id, SMMU_GSR0_SECURE_ACR);
+		if (0U == (val & SMMU_GSR0_PGSIZE_64K)) {
+			ERROR("%s: PGSIZE_64K Mismatch - smmu_id=%d, GSR0_SECURE_ACR=%x\n",
+				__func__, smmu_id, val);
+			mismatch = MISMATCH_DETECTED;
+		}
+
+		/* check CACHE LOCK bit in S Aux. Config. Register */
+		if (0U == (val & SMMU_ACR_CACHE_LOCK_ENABLE_BIT)) {
+			ERROR("%s: CACHE_LOCK Mismatch - smmu_id=%d, GSR0_SECURE_ACR=%x\n",
+				__func__, smmu_id, val);
+			mismatch = MISMATCH_DETECTED;
+		}
+
+		/* check CACHE LOCK bit in NS Aux. Config. Register */
+		val = tegra_smmu_read_32(smmu_id, SMMU_GNSR_ACR);
+		if (0U == (val & SMMU_ACR_CACHE_LOCK_ENABLE_BIT)) {
+			ERROR("%s: Mismatch - smmu_id=%d, GNSR_ACR=%x\n",
+				__func__, smmu_id, val);
+			mismatch = MISMATCH_DETECTED;
+		}
+
+		/* verify TCU prefetch for all contexts is disabled */
+		ctx_base = (SMMU_GSR0_PGSIZE_64K * SMMU_NUM_CONTEXTS) +
+			SMMU_CBn_ACTLR;
+		for (cb_idx = 0U; cb_idx < SMMU_CONTEXT_BANK_MAX_IDX; cb_idx++) {
+			val = tegra_smmu_read_32(smmu_id,
+				ctx_base + (SMMU_GSR0_PGSIZE_64K * cb_idx));
+			if (0U != (val & SMMU_CBn_ACTLR_CPRE_BIT)) {
+				ERROR("%s: Mismatch - smmu_id=%d, cb_idx=%d, GSR0_PGSIZE_64K=%x\n",
+					__func__, smmu_id, cb_idx, val);
+				mismatch = MISMATCH_DETECTED;
+			}
+		}
+	}
+
+	/* Treat configuration mismatch as fatal */
+	if ((mismatch == MISMATCH_DETECTED) && tegra_platform_is_silicon()) {
+		panic();
+	}
+}
diff --git a/plat/nvidia/tegra/drivers/spe/shared_console.S b/plat/nvidia/tegra/drivers/spe/shared_console.S
new file mode 100644
index 0000000..d1b18dd
--- /dev/null
+++ b/plat/nvidia/tegra/drivers/spe/shared_console.S
@@ -0,0 +1,187 @@
+/*
+ * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#include <asm_macros.S>
+#include <assert_macros.S>
+#include <console_macros.S>
+
+#define CONSOLE_NUM_BYTES_SHIFT		24
+#define CONSOLE_FLUSH_DATA_TO_PORT	(1 << 26)
+#define CONSOLE_RING_DOORBELL		(1 << 31)
+#define CONSOLE_IS_BUSY			(1 << 31)
+#define CONSOLE_TIMEOUT			0xC000		/* 50 ms */
+
+	/*
+	 * This file contains a driver implementation to make use of the
+	 * real console implementation provided by the SPE firmware running
+	 * SoCs after Tegra186.
+	 *
+	 * This console is shared by multiple components and the SPE firmware
+	 * finally displays everything on the UART port.
+	 */
+
+	.globl	console_spe_core_init
+	.globl	console_spe_core_putc
+	.globl	console_spe_core_getc
+	.globl	console_spe_core_flush
+	.globl	console_spe_putc
+	.globl	console_spe_getc
+	.globl	console_spe_flush
+	.globl	console_spe_register
+
+.macro	check_if_console_is_ready base, tmp1, tmp2, label
+	/* wait until spe is ready or timeout expires */
+	mrs	\tmp2, cntps_tval_el1
+1:	ldr	\tmp1, [\base]
+	and	\tmp1, \tmp1, #CONSOLE_IS_BUSY
+	cbz	\tmp1, 2f
+	mrs	\tmp1, cntps_tval_el1
+	sub	\tmp1, \tmp2, \tmp1
+	cmp	\tmp1, #CONSOLE_TIMEOUT
+	b.lt	1b
+	b	\label
+2:
+.endm
+
+	/* -------------------------------------------------
+	 * int console_spe_register(uintptr_t baseaddr,
+	 *     uint32_t clock, uint32_t baud,
+	 *     console_t *console);
+	 * Function to initialize and register a new spe
+	 * console. Storage passed in for the console struct
+	 * *must* be persistent (i.e. not from the stack).
+	 * In: x0 - UART register base address
+	 *     w1 - UART clock in Hz
+	 *     w2 - Baud rate
+	 *     x3 - pointer to empty console_t struct
+	 * Out: return 1 on success, 0 on error
+	 * Clobber list : x0, x1, x2, x6, x7, x14
+	 * -------------------------------------------------
+	 */
+func console_spe_register
+	/* Check the input base address */
+	cbz	x0, register_fail
+
+	/* Dont use clock or baud rate, so ok to overwrite them */
+	check_if_console_is_ready x0, x1, x2, register_fail
+
+	cbz	x3, register_fail
+	str	x0, [x3, #CONSOLE_T_BASE]
+	mov	x0, x3
+	finish_console_register spe putc=1, getc=1, flush=1
+
+register_fail:
+	mov	w0, wzr
+	ret
+endfunc console_spe_register
+
+	/* --------------------------------------------------------
+	 * int console_spe_core_putc(int c, uintptr_t base_addr)
+	 * Function to output a character over the console. It
+	 * returns the character printed on success or -1 on error.
+	 * In : w0 - character to be printed
+	 *      x1 - console base address
+	 * Out : return -1 on error else return character.
+	 * Clobber list : x2, x3
+	 * --------------------------------------------------------
+	 */
+func console_spe_core_putc
+	/* Check the input parameter */
+	cbz	x1, putc_error
+
+	/* Prepend '\r' to '\n' */
+	cmp	w0, #0xA
+	b.ne	not_eol
+
+	check_if_console_is_ready x1, x2, x3, putc_error
+
+	/* spe is ready */
+	mov	w2, #0xD		/* '\r' */
+	and	w2, w2, #0xFF
+	mov	w3, #(CONSOLE_RING_DOORBELL | (1 << CONSOLE_NUM_BYTES_SHIFT))
+	orr	w2, w2, w3
+	str	w2, [x1]
+
+not_eol:
+	check_if_console_is_ready x1, x2, x3, putc_error
+
+	/* spe is ready */
+	mov	w2, w0
+	and	w2, w2, #0xFF
+	mov	w3, #(CONSOLE_RING_DOORBELL | (1 << CONSOLE_NUM_BYTES_SHIFT))
+	orr	w2, w2, w3
+	str	w2, [x1]
+
+	ret
+putc_error:
+	mov	w0, #-1
+	ret
+endfunc console_spe_core_putc
+
+	/* --------------------------------------------------------
+	 * int console_spe_putc(int c, console_t *console)
+	 * Function to output a character over the console. It
+	 * returns the character printed on success or -1 on error.
+	 * In : w0 - character to be printed
+	 *      x1 - pointer to console_t structure
+	 * Out : return -1 on error else return character.
+	 * Clobber list : x2
+	 * --------------------------------------------------------
+	 */
+func console_spe_putc
+	ldr	x1, [x1, #CONSOLE_T_BASE]
+	b	console_spe_core_putc
+endfunc console_spe_putc
+
+	/* ---------------------------------------------
+	 * int console_spe_getc(console_t *console)
+	 * Function to get a character from the console.
+	 * It returns the character grabbed on success
+	 * or -1 if no character is available.
+	 * In : x0 - pointer to console_t structure
+	 * Out: w0 - character if available, else -1
+	 * Clobber list : x0, x1
+	 * ---------------------------------------------
+	 */
+func console_spe_getc
+	mov	w0, #-1
+	ret
+endfunc console_spe_getc
+
+	/* -------------------------------------------------
+	 * void console_spe_core_flush(uintptr_t base_addr)
+	 * Function to force a write of all buffered
+	 * data that hasn't been output.
+	 * In : x0 - console base address
+	 * Out : void.
+	 * Clobber list : x0, x1
+	 * -------------------------------------------------
+	 */
+func console_spe_core_flush
+#if ENABLE_ASSERTIONS
+	cmp	x0, #0
+	ASM_ASSERT(ne)
+#endif /* ENABLE_ASSERTIONS */
+
+	/* flush console */
+	mov	w1, #(CONSOLE_RING_DOORBELL | CONSOLE_FLUSH_DATA_TO_PORT)
+	str	w1, [x0]
+	ret
+endfunc console_spe_core_flush
+
+	/* ---------------------------------------------
+	 * void console_spe_flush(console_t *console)
+	 * Function to force a write of all buffered
+	 * data that hasn't been output.
+	 * In : x0 - pointer to console_t structure
+	 * Out : void.
+	 * Clobber list : x0, x1
+	 * ---------------------------------------------
+	 */
+func console_spe_flush
+	ldr	x0, [x0, #CONSOLE_T_BASE]
+	b	console_spe_core_flush
+endfunc console_spe_flush
diff --git a/plat/nvidia/tegra/include/drivers/bpmp.h b/plat/nvidia/tegra/include/drivers/bpmp.h
new file mode 100644
index 0000000..dc3fb6b
--- /dev/null
+++ b/plat/nvidia/tegra/include/drivers/bpmp.h
@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef BPMP_H
+#define BPMP_H
+
+#include <stdint.h>
+
+/* macro to enable clock to the Atomics block */
+#define CAR_ENABLE_ATOMICS	(1U << 16)
+
+/* command to get the channel base addresses from bpmp */
+#define ATOMIC_CMD_GET		4U
+
+/* Hardware IRQ # used to signal bpmp of an incoming command */
+#define INT_SHR_SEM_OUTBOX_FULL	6U
+
+/* macros to decode the bpmp's state */
+#define CH_MASK(ch)		((uint32_t)0x3 << ((ch) * 2U))
+#define MA_FREE(ch)		((uint32_t)0x2 << ((ch) * 2U))
+#define MA_ACKD(ch)		((uint32_t)0x3 << ((ch) * 2U))
+
+/* response from bpmp to indicate it has powered up */
+#define SIGN_OF_LIFE		0xAAAAAAAAU
+
+/* flags to indicate bpmp driver's state */
+#define BPMP_NOT_PRESENT	0xF00DBEEFU
+#define BPMP_INIT_COMPLETE	0xBEEFF00DU
+#define BPMP_INIT_PENDING	0xDEADBEEFU
+#define BPMP_SUSPEND_ENTRY	0xF00DCAFEU
+
+/* requests serviced by the bpmp */
+#define MRQ_PING		0
+#define MRQ_QUERY_TAG		1
+#define MRQ_DO_IDLE		2
+#define MRQ_TOLERATE_IDLE	3
+#define MRQ_MODULE_LOAD		4
+#define MRQ_MODULE_UNLOAD	5
+#define MRQ_SWITCH_CLUSTER	6
+#define MRQ_TRACE_MODIFY	7
+#define MRQ_WRITE_TRACE		8
+#define MRQ_THREADED_PING	9
+#define MRQ_CPUIDLE_USAGE	10
+#define MRQ_MODULE_MAIL		11
+#define MRQ_SCX_ENABLE		12
+#define MRQ_BPMPIDLE_USAGE	14
+#define MRQ_HEAP_USAGE		15
+#define MRQ_SCLK_SKIP_SET_RATE	16
+#define MRQ_ENABLE_SUSPEND	17
+#define MRQ_PASR_MASK		18
+#define MRQ_DEBUGFS		19
+#define MRQ_THERMAL		27
+
+/* Tegra PM states as known to BPMP */
+#define TEGRA_PM_CC1		9
+#define TEGRA_PM_CC4		12
+#define TEGRA_PM_CC6		14
+#define TEGRA_PM_CC7		15
+#define TEGRA_PM_SC1		17
+#define TEGRA_PM_SC2		18
+#define TEGRA_PM_SC3		19
+#define TEGRA_PM_SC4		20
+#define TEGRA_PM_SC7		23
+
+/* flag to indicate if entry into a CCx power state is allowed */
+#define BPMP_CCx_ALLOWED	0U
+
+/* number of communication channels to interact with the bpmp */
+#define NR_CHANNELS		4U
+
+/* flag to ask bpmp to acknowledge command packet */
+#define NO_ACK			(0U << 0U)
+#define DO_ACK			(1U << 0U)
+
+/* size of the command/response data */
+#define MSG_DATA_MAX_SZ		120U
+
+/**
+ * command/response packet to/from the bpmp
+ *
+ * command
+ * -------
+ * code: MRQ_* command
+ * flags: DO_ACK or NO_ACK
+ * data:
+ * 	[0] = cpu #
+ * 	[1] = cluster power state (TEGRA_PM_CCx)
+ * 	[2] = system power state (TEGRA_PM_SCx)
+ *
+ * response
+ * ---------
+ * code: error code
+ * flags: not used
+ * data:
+ * 	[0-3] = response value
+ */
+typedef struct mb_data {
+	int32_t code;
+	uint32_t flags;
+	uint8_t data[MSG_DATA_MAX_SZ];
+} mb_data_t;
+
+/**
+ * Function to initialise the interface with the bpmp
+ */
+int tegra_bpmp_init(void);
+
+/**
+ * Function to suspend the interface with the bpmp
+ */
+void tegra_bpmp_suspend(void);
+
+/**
+ * Function to resume the interface with the bpmp
+ */
+void tegra_bpmp_resume(void);
+
+/**
+ * Handler to send a MRQ_* command to the bpmp
+ */
+int32_t tegra_bpmp_send_receive_atomic(int mrq, const void *ob_data, int ob_sz,
+		void *ib_data, int ib_sz);
+
+#endif /* BPMP_H */
diff --git a/plat/nvidia/tegra/include/drivers/bpmp_ipc.h b/plat/nvidia/tegra/include/drivers/bpmp_ipc.h
new file mode 100644
index 0000000..401a07a
--- /dev/null
+++ b/plat/nvidia/tegra/include/drivers/bpmp_ipc.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef BPMP_IPC_H
+#define BPMP_IPC_H
+
+#include <lib/utils_def.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+/**
+ * Currently supported reset identifiers
+ */
+#define TEGRA_RESET_ID_XUSB_PADCTL	U(114)
+#define TEGRA_RESET_ID_GPCDMA		U(70)
+
+/**
+ * Function to initialise the IPC with the bpmp
+ */
+int32_t tegra_bpmp_ipc_init(void);
+
+/**
+ * Handler to reset a module
+ */
+int32_t tegra_bpmp_ipc_reset_module(uint32_t rst_id);
+
+/**
+ * Handler to enable clock to a module. Only SE device is
+ * supported for now.
+ */
+int tegra_bpmp_ipc_enable_clock(uint32_t clk_id);
+
+/**
+ * Handler to disable clock to a module. Only SE device is
+ * supported for now.
+ */
+int tegra_bpmp_ipc_disable_clock(uint32_t clk_id);
+
+#endif /* BPMP_IPC_H */
diff --git a/plat/nvidia/tegra/include/drivers/flowctrl.h b/plat/nvidia/tegra/include/drivers/flowctrl.h
new file mode 100644
index 0000000..e5ab600
--- /dev/null
+++ b/plat/nvidia/tegra/include/drivers/flowctrl.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef FLOWCTRL_H
+#define FLOWCTRL_H
+
+#include <lib/mmio.h>
+
+#include <stdbool.h>
+
+#include <tegra_def.h>
+
+#define FLOWCTRL_HALT_CPU0_EVENTS	(0x0U)
+#define  FLOWCTRL_WAITEVENT		(2U << 29)
+#define  FLOWCTRL_WAIT_FOR_INTERRUPT	(4U << 29)
+#define  FLOWCTRL_JTAG_RESUME		(1U << 28)
+#define  FLOWCTRL_HALT_SCLK		(1U << 27)
+#define  FLOWCTRL_HALT_LIC_IRQ		(1U << 11)
+#define  FLOWCTRL_HALT_LIC_FIQ		(1U << 10)
+#define  FLOWCTRL_HALT_GIC_IRQ		(1U << 9)
+#define  FLOWCTRL_HALT_GIC_FIQ		(1U << 8)
+#define FLOWCTRL_HALT_BPMP_EVENTS	(0x4U)
+#define FLOWCTRL_CPU0_CSR		(0x8U)
+#define  FLOWCTRL_CSR_HALT_MASK		(1U << 22)
+#define  FLOWCTRL_CSR_PWR_OFF_STS	(1U << 16)
+#define  FLOWCTRL_CSR_INTR_FLAG		(1U << 15)
+#define  FLOWCTRL_CSR_EVENT_FLAG	(1U << 14)
+#define  FLOWCTRL_CSR_IMMEDIATE_WAKE	(1U << 3)
+#define  FLOWCTRL_CSR_ENABLE		(1U << 0)
+#define FLOWCTRL_HALT_CPU1_EVENTS	(0x14U)
+#define FLOWCTRL_CPU1_CSR		(0x18U)
+#define FLOW_CTLR_FLOW_DBG_QUAL		(0x50U)
+#define  FLOWCTRL_FIQ2CCPLEX_ENABLE	(1U << 28)
+#define FLOWCTRL_FC_SEQ_INTERCEPT	(0x5cU)
+#define  INTERCEPT_IRQ_PENDING		(0xffU)
+#define  INTERCEPT_HVC			(U(1) << 21)
+#define  INTERCEPT_ENTRY_CC4		(U(1) << 20)
+#define  INTERCEPT_ENTRY_PG_NONCPU	(U(1) << 19)
+#define  INTERCEPT_EXIT_PG_NONCPU	(U(1) << 18)
+#define  INTERCEPT_ENTRY_RG_CPU		(U(1) << 17)
+#define  INTERCEPT_EXIT_RG_CPU		(U(1) << 16)
+#define  INTERCEPT_ENTRY_PG_CORE0	(U(1) << 15)
+#define  INTERCEPT_EXIT_PG_CORE0	(U(1) << 14)
+#define  INTERCEPT_ENTRY_PG_CORE1	(U(1) << 13)
+#define  INTERCEPT_EXIT_PG_CORE1	(U(1) << 12)
+#define  INTERCEPT_ENTRY_PG_CORE2	(U(1) << 11)
+#define  INTERCEPT_EXIT_PG_CORE2	(U(1) << 10)
+#define  INTERCEPT_ENTRY_PG_CORE3	(U(1) << 9)
+#define  INTERCEPT_EXIT_PG_CORE3	(U(1) << 8)
+#define  INTERRUPT_PENDING_NONCPU	(U(1) << 7)
+#define  INTERRUPT_PENDING_CRAIL	(U(1) << 6)
+#define  INTERRUPT_PENDING_CORE0	(U(1) << 5)
+#define  INTERRUPT_PENDING_CORE1	(U(1) << 4)
+#define  INTERRUPT_PENDING_CORE2	(U(1) << 3)
+#define  INTERRUPT_PENDING_CORE3	(U(1) << 2)
+#define  CC4_INTERRUPT_PENDING		(U(1) << 1)
+#define  HVC_INTERRUPT_PENDING		(U(1) << 0)
+#define FLOWCTRL_CC4_CORE0_CTRL		(0x6cU)
+#define FLOWCTRL_WAIT_WFI_BITMAP	(0x100U)
+#define FLOWCTRL_L2_FLUSH_CONTROL	(0x94U)
+#define FLOWCTRL_BPMP_CLUSTER_CONTROL	(0x98U)
+#define  FLOWCTRL_BPMP_CLUSTER_PWRON_LOCK	(1U << 2)
+
+#define FLOWCTRL_ENABLE_EXT		12U
+#define FLOWCTRL_ENABLE_EXT_MASK	3U
+#define FLOWCTRL_PG_CPU_NONCPU		0x1U
+#define FLOWCTRL_TURNOFF_CPURAIL	0x2U
+
+static inline uint32_t tegra_fc_read_32(uint32_t off)
+{
+	return mmio_read_32(TEGRA_FLOWCTRL_BASE + off);
+}
+
+static inline void tegra_fc_write_32(uint32_t off, uint32_t val)
+{
+	mmio_write_32(TEGRA_FLOWCTRL_BASE + off, val);
+}
+
+void tegra_fc_bpmp_on(uint32_t entrypoint);
+void tegra_fc_bpmp_off(void);
+void tegra_fc_ccplex_pgexit_lock(void);
+void tegra_fc_ccplex_pgexit_unlock(void);
+void tegra_fc_cluster_idle(uint32_t midr);
+void tegra_fc_cpu_powerdn(uint32_t mpidr);
+void tegra_fc_cluster_powerdn(uint32_t midr);
+void tegra_fc_cpu_on(int cpu);
+void tegra_fc_cpu_off(int cpu);
+void tegra_fc_disable_fiq_to_ccplex_routing(void);
+void tegra_fc_enable_fiq_to_ccplex_routing(void);
+bool tegra_fc_is_ccx_allowed(void);
+void tegra_fc_lock_active_cluster(void);
+void tegra_fc_soc_powerdn(uint32_t midr);
+
+#endif /* FLOWCTRL_H */
diff --git a/plat/nvidia/tegra/include/drivers/gpcdma.h b/plat/nvidia/tegra/include/drivers/gpcdma.h
new file mode 100644
index 0000000..a59df37
--- /dev/null
+++ b/plat/nvidia/tegra/include/drivers/gpcdma.h
@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef GPCDMA_H
+#define GPCDMA_H
+
+#include <stdint.h>
+
+void tegra_gpcdma_memcpy(uint64_t dst_addr, uint64_t src_addr,
+			    uint32_t num_bytes);
+void tegra_gpcdma_zeromem(uint64_t dst_addr, uint32_t num_bytes);
+
+#endif /* GPCDMA_H */
diff --git a/plat/nvidia/tegra/include/drivers/mce.h b/plat/nvidia/tegra/include/drivers/mce.h
new file mode 100644
index 0000000..5f1bb4f
--- /dev/null
+++ b/plat/nvidia/tegra/include/drivers/mce.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MCE_H
+#define MCE_H
+
+#include <lib/mmio.h>
+
+#include <tegra_def.h>
+
+/*******************************************************************************
+ * MCE commands
+ ******************************************************************************/
+typedef enum mce_cmd {
+	MCE_CMD_ENTER_CSTATE = 0U,
+	MCE_CMD_UPDATE_CSTATE_INFO = 1U,
+	MCE_CMD_UPDATE_CROSSOVER_TIME = 2U,
+	MCE_CMD_READ_CSTATE_STATS = 3U,
+	MCE_CMD_WRITE_CSTATE_STATS = 4U,
+	MCE_CMD_IS_SC7_ALLOWED = 5U,
+	MCE_CMD_ONLINE_CORE = 6U,
+	MCE_CMD_CC3_CTRL = 7U,
+	MCE_CMD_ECHO_DATA = 8U,
+	MCE_CMD_READ_VERSIONS = 9U,
+	MCE_CMD_ENUM_FEATURES = 10U,
+	MCE_CMD_ROC_FLUSH_CACHE_TRBITS = 11U,
+	MCE_CMD_ENUM_READ_MCA = 12U,
+	MCE_CMD_ENUM_WRITE_MCA = 13U,
+	MCE_CMD_ROC_FLUSH_CACHE = 14U,
+	MCE_CMD_ROC_CLEAN_CACHE = 15U,
+	MCE_CMD_ENABLE_LATIC = 16U,
+	MCE_CMD_UNCORE_PERFMON_REQ = 17U,
+	MCE_CMD_MISC_CCPLEX = 18U,
+	MCE_CMD_IS_CCX_ALLOWED = 0xFEU,
+	MCE_CMD_MAX = 0xFFU,
+} mce_cmd_t;
+
+#define MCE_CMD_MASK				0xFFU
+
+/*******************************************************************************
+ * Timeout value used to powerdown a core
+ ******************************************************************************/
+#define MCE_CORE_SLEEP_TIME_INFINITE		0xFFFFFFFFU
+
+/*******************************************************************************
+ * Struct to prepare UPDATE_CSTATE_INFO request
+ ******************************************************************************/
+typedef struct mce_cstate_info {
+	/* cluster cstate value */
+	uint32_t cluster;
+	/* ccplex cstate value */
+	uint32_t ccplex;
+	/* system cstate value */
+	uint32_t system;
+	/* force system state? */
+	uint8_t system_state_force;
+	/* wake mask value */
+	uint32_t wake_mask;
+	/* update the wake mask? */
+	uint8_t update_wake_mask;
+} mce_cstate_info_t;
+
+/* public interfaces */
+int mce_command_handler(uint64_t cmd, uint64_t arg0, uint64_t arg1,
+		uint64_t arg2);
+int mce_update_reset_vector(void);
+int mce_update_gsc_videomem(void);
+int mce_update_gsc_tzdram(void);
+__dead2 void mce_enter_ccplex_state(uint32_t state_idx);
+void mce_update_cstate_info(const mce_cstate_info_t *cstate);
+void mce_verify_firmware_version(void);
+
+#endif /* MCE_H */
diff --git a/plat/nvidia/tegra/include/drivers/memctrl.h b/plat/nvidia/tegra/include/drivers/memctrl.h
new file mode 100644
index 0000000..cc85095
--- /dev/null
+++ b/plat/nvidia/tegra/include/drivers/memctrl.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MEMCTRL_H
+#define MEMCTRL_H
+
+void tegra_memctrl_setup(void);
+void tegra_memctrl_restore_settings(void);
+void tegra_memctrl_tzdram_setup(uint64_t phys_base, uint32_t size_in_bytes);
+void tegra_memctrl_videomem_setup(uint64_t phys_base, uint32_t size_in_bytes);
+void tegra_memctrl_disable_ahb_redirection(void);
+void tegra_memctrl_clear_pending_interrupts(void);
+
+#endif /* MEMCTRL_H */
diff --git a/plat/nvidia/tegra/include/drivers/memctrl_v1.h b/plat/nvidia/tegra/include/drivers/memctrl_v1.h
new file mode 100644
index 0000000..8e9f198
--- /dev/null
+++ b/plat/nvidia/tegra/include/drivers/memctrl_v1.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MEMCTRL_V1_H
+#define MEMCTRL_V1_H
+
+#include <lib/mmio.h>
+
+#include <tegra_def.h>
+
+/* SMMU registers */
+#define MC_SMMU_CONFIG_0			0x10U
+#define  MC_SMMU_CONFIG_0_SMMU_ENABLE_DISABLE	0U
+#define  MC_SMMU_CONFIG_0_SMMU_ENABLE_ENABLE	1U
+#define MC_SMMU_TLB_CONFIG_0			0x14U
+#define  MC_SMMU_TLB_CONFIG_0_RESET_VAL		0x20000010U
+#define MC_SMMU_PTC_CONFIG_0			0x18U
+#define  MC_SMMU_PTC_CONFIG_0_RESET_VAL		0x2000003fU
+#define MC_SMMU_TLB_FLUSH_0			0x30U
+#define  TLB_FLUSH_VA_MATCH_ALL			0U
+#define  TLB_FLUSH_ASID_MATCH_DISABLE		0U
+#define  TLB_FLUSH_ASID_MATCH_SHIFT		31U
+#define  MC_SMMU_TLB_FLUSH_ALL		\
+	 (TLB_FLUSH_VA_MATCH_ALL | 	\
+	 (TLB_FLUSH_ASID_MATCH_DISABLE << TLB_FLUSH_ASID_MATCH_SHIFT))
+#define MC_SMMU_PTC_FLUSH_0			0x34U
+#define  MC_SMMU_PTC_FLUSH_ALL			0U
+#define MC_SMMU_ASID_SECURITY_0			0x38U
+#define  MC_SMMU_ASID_SECURITY			0U
+#define MC_SMMU_TRANSLATION_ENABLE_0_0		0x228U
+#define MC_SMMU_TRANSLATION_ENABLE_1_0		0x22cU
+#define MC_SMMU_TRANSLATION_ENABLE_2_0		0x230U
+#define MC_SMMU_TRANSLATION_ENABLE_3_0		0x234U
+#define MC_SMMU_TRANSLATION_ENABLE_4_0		0xb98U
+#define  MC_SMMU_TRANSLATION_ENABLE		(~0)
+
+/* MC IRAM aperture registers */
+#define MC_IRAM_BASE_LO				0x65CU
+#define MC_IRAM_TOP_LO				0x660U
+#define MC_IRAM_BASE_TOP_HI			0x980U
+#define MC_IRAM_REG_CTRL			0x964U
+#define  MC_DISABLE_IRAM_CFG_WRITES		1U
+
+static inline uint32_t tegra_mc_read_32(uint32_t off)
+{
+	return mmio_read_32(TEGRA_MC_BASE + off);
+}
+
+static inline void tegra_mc_write_32(uint32_t off, uint32_t val)
+{
+	mmio_write_32(TEGRA_MC_BASE + off, val);
+}
+
+#endif /* MEMCTRL_V1_H */
diff --git a/plat/nvidia/tegra/include/drivers/memctrl_v2.h b/plat/nvidia/tegra/include/drivers/memctrl_v2.h
new file mode 100644
index 0000000..9af3027
--- /dev/null
+++ b/plat/nvidia/tegra/include/drivers/memctrl_v2.h
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MEMCTRL_V2_H
+#define MEMCTRL_V2_H
+
+#include <arch.h>
+
+#include <tegra_def.h>
+
+/*******************************************************************************
+ * Memory Controller SMMU Bypass config register
+ ******************************************************************************/
+#define MC_SMMU_BYPASS_CONFIG			0x1820U
+#define MC_SMMU_BYPASS_CTRL_MASK		0x3U
+#define MC_SMMU_BYPASS_CTRL_SHIFT		0U
+#define MC_SMMU_CTRL_TBU_BYPASS_ALL		(0U << MC_SMMU_BYPASS_CTRL_SHIFT)
+#define MC_SMMU_CTRL_TBU_RSVD			(1U << MC_SMMU_BYPASS_CTRL_SHIFT)
+#define MC_SMMU_CTRL_TBU_BYPASS_SPL_STREAMID	(2U << MC_SMMU_BYPASS_CTRL_SHIFT)
+#define MC_SMMU_CTRL_TBU_BYPASS_NONE		(3U << MC_SMMU_BYPASS_CTRL_SHIFT)
+#define MC_SMMU_BYPASS_CONFIG_WRITE_ACCESS_BIT	(1U << 31)
+#define MC_SMMU_BYPASS_CONFIG_SETTINGS		(MC_SMMU_BYPASS_CONFIG_WRITE_ACCESS_BIT | \
+						 MC_SMMU_CTRL_TBU_BYPASS_SPL_STREAMID)
+
+#ifndef	__ASSEMBLER__
+
+#include <assert.h>
+
+typedef struct mc_regs {
+	uint32_t reg;
+	uint32_t val;
+} mc_regs_t;
+
+#define mc_smmu_bypass_cfg \
+	{ \
+		.reg = TEGRA_MC_BASE + MC_SMMU_BYPASS_CONFIG, \
+		.val = 0x00000000U, \
+	}
+
+#define _START_OF_TABLE_ \
+	{ \
+		.reg = 0xCAFE05C7U, \
+		.val = 0x00000000U, \
+	}
+
+#define _END_OF_TABLE_ \
+	{ \
+		.reg = 0xFFFFFFFFU, \
+		.val = 0xFFFFFFFFU, \
+	}
+
+#endif /* __ASSEMBLER__ */
+
+#ifndef __ASSEMBLER__
+
+#include <lib/mmio.h>
+
+static inline uint32_t tegra_mc_read_32(uint32_t off)
+{
+	return mmio_read_32(TEGRA_MC_BASE + off);
+}
+
+static inline void tegra_mc_write_32(uint32_t off, uint32_t val)
+{
+	mmio_write_32(TEGRA_MC_BASE + off, val);
+}
+
+#if defined(TEGRA_MC_STREAMID_BASE)
+static inline uint32_t tegra_mc_streamid_read_32(uint32_t off)
+{
+	return mmio_read_32(TEGRA_MC_STREAMID_BASE + off);
+}
+
+static inline void tegra_mc_streamid_write_32(uint32_t off, uint32_t val)
+{
+	mmio_write_32(TEGRA_MC_STREAMID_BASE + off, val);
+	assert(mmio_read_32(TEGRA_MC_STREAMID_BASE + off) == val);
+}
+#endif
+
+void plat_memctrl_setup(void);
+
+void plat_memctrl_restore(void);
+mc_regs_t *plat_memctrl_get_sys_suspend_ctx(void);
+
+/*******************************************************************************
+ * Handler to save MC settings before "System Suspend" to TZDRAM
+ *
+ * Implemented by Tegra common memctrl_v2 driver under common/drivers/memctrl
+ ******************************************************************************/
+void tegra_mc_save_context(uint64_t mc_ctx_addr);
+
+/*******************************************************************************
+ * Handler to program the scratch registers with TZDRAM settings for the
+ * resume firmware.
+ *
+ * Implemented by SoCs under tegra/soc/txxx
+ ******************************************************************************/
+void plat_memctrl_tzdram_setup(uint64_t phys_base, uint64_t size_in_bytes);
+
+#endif /* __ASSEMBLER__ */
+
+#endif /* MEMCTRL_V2_H */
diff --git a/plat/nvidia/tegra/include/drivers/pmc.h b/plat/nvidia/tegra/include/drivers/pmc.h
new file mode 100644
index 0000000..8752b84
--- /dev/null
+++ b/plat/nvidia/tegra/include/drivers/pmc.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PMC_H
+#define PMC_H
+
+#include <lib/mmio.h>
+#include <lib/utils_def.h>
+#include <stdbool.h>
+
+#include <tegra_def.h>
+
+#define PMC_CONFIG				U(0x0)
+#define PMC_IO_DPD_SAMPLE			U(0x20)
+#define PMC_DPD_ENABLE_0			U(0x24)
+#define PMC_PWRGATE_STATUS			U(0x38)
+#define PMC_PWRGATE_TOGGLE			U(0x30)
+#define PMC_SCRATCH1				U(0x54)
+#define PMC_CRYPTO_OP_0				U(0xf4)
+#define  PMC_TOGGLE_START			U(0x100)
+#define PMC_SCRATCH31				U(0x118)
+#define PMC_SCRATCH32				U(0x11C)
+#define PMC_SCRATCH33				U(0x120)
+#define PMC_SCRATCH39				U(0x138)
+#define PMC_SCRATCH40				U(0x13C)
+#define PMC_SCRATCH41 				U(0x140)
+#define PMC_SCRATCH42				U(0x144)
+#define PMC_SCRATCH43				U(0x22C)
+#define PMC_SCRATCH44				U(0x230)
+#define PMC_SCRATCH45				U(0x234)
+#define PMC_SCRATCH46				U(0x238)
+#define PMC_SCRATCH47				U(0x23C)
+#define PMC_SCRATCH48				U(0x240)
+#define PMC_SCRATCH50				U(0x248)
+#define PMC_SCRATCH51				U(0x24C)
+#define PMC_TSC_MULT_0				U(0x2B4)
+#define PMC_STICKY_BIT				U(0x2C0)
+#define PMC_SECURE_DISABLE2			U(0x2C4)
+#define  PMC_SECURE_DISABLE2_WRITE22_ON		(U(1) << 28)
+#define PMC_FUSE_CONTROL_0			U(0x450)
+#define PMC_SECURE_DISABLE3			U(0x2D8)
+#define  PMC_SECURE_DISABLE3_WRITE34_ON		(U(1) << 20)
+#define  PMC_SECURE_DISABLE3_WRITE35_ON		(U(1) << 22)
+#define PMC_SECURE_SCRATCH22			U(0x338)
+#define PMC_SECURE_SCRATCH34			U(0x368)
+#define PMC_SECURE_SCRATCH35			U(0x36c)
+#define PMC_SCRATCH56				U(0x600)
+#define PMC_SCRATCH57				U(0x604)
+#define PMC_SCRATCH201				U(0x844)
+
+static inline uint32_t tegra_pmc_read_32(uint32_t off)
+{
+	return mmio_read_32(TEGRA_PMC_BASE + off);
+}
+
+static inline void tegra_pmc_write_32(uint32_t off, uint32_t val)
+{
+	mmio_write_32(TEGRA_PMC_BASE + off, val);
+}
+
+void tegra_pmc_cpu_on(int32_t cpu);
+void tegra_pmc_cpu_setup(uint64_t reset_addr);
+bool tegra_pmc_is_last_on_cpu(void);
+void tegra_pmc_lock_cpu_vectors(void);
+void tegra_pmc_resume(void);
+__dead2 void tegra_pmc_system_reset(void);
+
+#endif /* PMC_H */
diff --git a/plat/nvidia/tegra/include/drivers/security_engine.h b/plat/nvidia/tegra/include/drivers/security_engine.h
new file mode 100644
index 0000000..5ae6257
--- /dev/null
+++ b/plat/nvidia/tegra/include/drivers/security_engine.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2020, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SECURITY_ENGINE_H
+#define SECURITY_ENGINE_H
+
+/*******************************************************************************
+ * Structure definition
+ ******************************************************************************/
+
+/* Security Engine Linked List */
+struct tegra_se_ll {
+	/* DMA buffer address */
+	uint32_t addr;
+	/* Data length in DMA buffer */
+	uint32_t data_len;
+};
+
+#define SE_LL_MAX_BUFFER_NUM			4
+typedef struct tegra_se_io_lst {
+	volatile uint32_t last_buff_num;
+	volatile struct tegra_se_ll buffer[SE_LL_MAX_BUFFER_NUM];
+} tegra_se_io_lst_t __attribute__((aligned(4)));
+
+/* SE device structure */
+typedef struct tegra_se_dev {
+	/* Security Engine ID */
+	const int se_num;
+	/* SE base address */
+	const uint64_t se_base;
+	/* SE context size in AES blocks */
+	const uint32_t ctx_size_blks;
+	/* pointer to source linked list buffer */
+	tegra_se_io_lst_t *src_ll_buf;
+	/* pointer to destination linked list buffer */
+	tegra_se_io_lst_t *dst_ll_buf;
+	/* LP context buffer pointer */
+	uint32_t *ctx_save_buf;
+} tegra_se_dev_t;
+
+/* PKA1 device structure */
+typedef struct tegra_pka_dev {
+	/* PKA1 base address */
+	uint64_t pka_base;
+} tegra_pka_dev_t;
+
+/*******************************************************************************
+ * Public interface
+ ******************************************************************************/
+void tegra_se_init(void);
+int tegra_se_suspend(void);
+void tegra_se_resume(void);
+int tegra_se_save_tzram(void);
+int32_t tegra_se_save_sha256_hash(uint64_t bl31_base, uint32_t src_len_inbyte);
+
+#endif /* SECURITY_ENGINE_H */
diff --git a/plat/nvidia/tegra/include/drivers/smmu.h b/plat/nvidia/tegra/include/drivers/smmu.h
new file mode 100644
index 0000000..1de9af6
--- /dev/null
+++ b/plat/nvidia/tegra/include/drivers/smmu.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SMMU_H
+#define SMMU_H
+
+#include <lib/mmio.h>
+
+#include <memctrl_v2.h>
+#include <tegra_def.h>
+
+#define SMMU_CBn_ACTLR				(0x4U)
+
+/*******************************************************************************
+ * SMMU Global Secure Aux. Configuration Register
+ ******************************************************************************/
+#define SMMU_GSR0_SECURE_ACR			0x10U
+#define SMMU_GNSR_ACR				(SMMU_GSR0_SECURE_ACR + 0x400U)
+#define SMMU_GSR0_PGSIZE_SHIFT			16U
+#define SMMU_GSR0_PGSIZE_4K			(0U << SMMU_GSR0_PGSIZE_SHIFT)
+#define SMMU_GSR0_PGSIZE_64K			(1U << SMMU_GSR0_PGSIZE_SHIFT)
+#define SMMU_ACR_CACHE_LOCK_ENABLE_BIT		(1ULL << 26U)
+#define SMMU_GSR0_PER				(0x20200U)
+
+/*******************************************************************************
+ * SMMU Global Aux. Control Register
+ ******************************************************************************/
+#define SMMU_CBn_ACTLR_CPRE_BIT			(1ULL << 1U)
+
+/* SMMU IDs currently supported by the driver */
+enum {
+	TEGRA_SMMU0 = 0U,
+	TEGRA_SMMU1 = 1U,
+	TEGRA_SMMU2 = 2U
+};
+
+static inline uint32_t tegra_smmu_read_32(uint32_t smmu_id, uint32_t off)
+{
+	uint32_t ret = 0U;
+
+#if defined(TEGRA_SMMU0_BASE)
+	if (smmu_id == TEGRA_SMMU0) {
+		ret = mmio_read_32(TEGRA_SMMU0_BASE + (uint64_t)off);
+	}
+#endif
+
+#if defined(TEGRA_SMMU1_BASE)
+	if (smmu_id == TEGRA_SMMU1) {
+		ret = mmio_read_32(TEGRA_SMMU1_BASE + (uint64_t)off);
+	}
+#endif
+
+#if defined(TEGRA_SMMU2_BASE)
+	if (smmu_id == TEGRA_SMMU2) {
+		ret = mmio_read_32(TEGRA_SMMU2_BASE + (uint64_t)off);
+	}
+#endif
+
+	return ret;
+}
+
+static inline void tegra_smmu_write_32(uint32_t smmu_id,
+			uint32_t off, uint32_t val)
+{
+#if defined(TEGRA_SMMU0_BASE)
+	if (smmu_id == TEGRA_SMMU0) {
+		mmio_write_32(TEGRA_SMMU0_BASE + (uint64_t)off, val);
+	}
+#endif
+
+#if defined(TEGRA_SMMU1_BASE)
+	if (smmu_id == TEGRA_SMMU1) {
+		mmio_write_32(TEGRA_SMMU1_BASE + (uint64_t)off, val);
+	}
+#endif
+
+#if defined(TEGRA_SMMU2_BASE)
+	if (smmu_id == TEGRA_SMMU2) {
+		mmio_write_32(TEGRA_SMMU2_BASE + (uint64_t)off, val);
+	}
+#endif
+}
+
+void tegra_smmu_init(void);
+void tegra_smmu_verify(void);
+uint32_t plat_get_num_smmu_devices(void);
+
+#endif /* SMMU_H */
diff --git a/plat/nvidia/tegra/include/drivers/spe.h b/plat/nvidia/tegra/include/drivers/spe.h
new file mode 100644
index 0000000..e0f8714
--- /dev/null
+++ b/plat/nvidia/tegra/include/drivers/spe.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2019, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SPE_H
+#define SPE_H
+
+#include <stdint.h>
+
+#include <drivers/console.h>
+
+/*
+ * Initialize a new spe console instance and register it with the console
+ * framework. The |console| pointer must point to storage that will be valid
+ * for the lifetime of the console, such as a global or static local variable.
+ * Its contents will be reinitialized from scratch.
+ */
+int console_spe_register(uintptr_t baseaddr, uint32_t clock, uint32_t baud,
+			 console_t *console);
+
+#endif /* SPE_H */
diff --git a/plat/nvidia/tegra/include/drivers/tegra_gic.h b/plat/nvidia/tegra/include/drivers/tegra_gic.h
new file mode 100644
index 0000000..6661dff
--- /dev/null
+++ b/plat/nvidia/tegra/include/drivers/tegra_gic.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef TEGRA_GIC_H
+#define TEGRA_GIC_H
+
+#include <common/interrupt_props.h>
+
+/*******************************************************************************
+ * Per-CPU struct describing FIQ state to be stored
+ ******************************************************************************/
+typedef struct pcpu_fiq_state {
+	uint64_t elr_el3;
+	uint64_t spsr_el3;
+} pcpu_fiq_state_t;
+
+/*******************************************************************************
+ * Fucntion declarations
+ ******************************************************************************/
+void tegra_gic_cpuif_deactivate(void);
+void tegra_gic_init(void);
+void tegra_gic_pcpu_init(void);
+void tegra_gic_setup(const interrupt_prop_t *interrupt_props,
+		     unsigned int interrupt_props_num);
+
+#endif /* TEGRA_GIC_H */
diff --git a/plat/nvidia/tegra/include/lib/profiler.h b/plat/nvidia/tegra/include/lib/profiler.h
new file mode 100644
index 0000000..684c872
--- /dev/null
+++ b/plat/nvidia/tegra/include/lib/profiler.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PROFILER_H
+#define PROFILER_H
+
+/*******************************************************************************
+ * Number of bytes of memory used by the profiler on Tegra
+ ******************************************************************************/
+#define PROFILER_SIZE_BYTES	U(0x1000)
+
+void boot_profiler_init(uint64_t shmem_base, uint32_t tmr_base);
+void boot_profiler_add_record(const char *str);
+void boot_profiler_deinit(void);
+
+#endif /* PROFILER_H */
diff --git a/plat/nvidia/tegra/include/plat_macros.S b/plat/nvidia/tegra/include/plat_macros.S
new file mode 100644
index 0000000..2dc3b41
--- /dev/null
+++ b/plat/nvidia/tegra/include/plat_macros.S
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLAT_MACROS_S
+#define PLAT_MACROS_S
+
+#include <drivers/arm/gicv2.h>
+#include <tegra_def.h>
+
+.section .rodata.gic_reg_name, "aS"
+gicc_regs:
+	.asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", ""
+gicd_pend_reg:
+	.asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n Offset:\t\t\tvalue\n"
+newline:
+	.asciz "\n"
+spacer:
+	.asciz ":\t\t0x"
+
+/* ---------------------------------------------
+ * The below macro prints out relevant GIC
+ * registers whenever an unhandled exception is
+ * taken in BL31.
+ * ---------------------------------------------
+ */
+.macro plat_crash_print_regs
+#ifdef TEGRA_GICC_BASE
+	mov_imm	x16, TEGRA_GICC_BASE
+
+	/* gicc base address is now in x16 */
+	adr	x6, gicc_regs	/* Load the gicc reg list to x6 */
+	/* Load the gicc regs to gp regs used by str_in_crash_buf_print */
+	ldr	w8, [x16, #GICC_HPPIR]
+	ldr	w9, [x16, #GICC_AHPPIR]
+	ldr	w10, [x16, #GICC_CTLR]
+	/* Store to the crash buf and print to cosole */
+	bl	str_in_crash_buf_print
+#endif
+	/* Print the GICD_ISPENDR regs */
+	mov_imm	x16, TEGRA_GICD_BASE
+	add	x7, x16, #GICD_ISPENDR
+	adr	x4, gicd_pend_reg
+	bl	asm_print_str
+2:
+	sub	x4, x7, x16
+	cmp	x4, #0x280
+	b.eq	1f
+	bl	asm_print_hex
+	adr	x4, spacer
+	bl	asm_print_str
+	ldr	w4, [x7], #4
+	bl	asm_print_hex
+	adr	x4, newline
+	bl	asm_print_str
+	b	2b
+1:
+.endm
+
+#endif /* PLAT_MACROS_S */
diff --git a/plat/nvidia/tegra/include/platform_def.h b/plat/nvidia/tegra/include/platform_def.h
new file mode 100644
index 0000000..84b3297
--- /dev/null
+++ b/plat/nvidia/tegra/include/platform_def.h
@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLATFORM_DEF_H
+#define PLATFORM_DEF_H
+
+#include <arch.h>
+#include <lib/utils_def.h>
+
+#include <tegra_def.h>
+
+/*******************************************************************************
+ * Check and error if SEPARATE_CODE_AND_RODATA is not set to 1
+ ******************************************************************************/
+#if !SEPARATE_CODE_AND_RODATA
+#error "SEPARATE_CODE_AND_RODATA should be set to 1"
+#endif
+
+/*
+ * Platform binary types for linking
+ */
+#define PLATFORM_LINKER_FORMAT		"elf64-littleaarch64"
+#define PLATFORM_LINKER_ARCH		aarch64
+
+/*
+ * Platform binary types for linking
+ */
+#define PLATFORM_LINKER_FORMAT		"elf64-littleaarch64"
+#define PLATFORM_LINKER_ARCH		aarch64
+
+/*******************************************************************************
+ * Generic platform constants
+ ******************************************************************************/
+
+/* Size of cacheable stacks */
+#ifdef IMAGE_BL31
+#define PLATFORM_STACK_SIZE 		U(0x400)
+#endif
+
+#define TEGRA_PRIMARY_CPU		U(0x0)
+
+#define PLAT_MAX_PWR_LVL		MPIDR_AFFLVL2
+#define PLATFORM_CORE_COUNT		(PLATFORM_CLUSTER_COUNT * \
+					 PLATFORM_MAX_CPUS_PER_CLUSTER)
+#define PLAT_NUM_PWR_DOMAINS		(PLATFORM_CORE_COUNT + \
+					 PLATFORM_CLUSTER_COUNT + U(1))
+
+/*******************************************************************************
+ * Platform console related constants
+ ******************************************************************************/
+#define TEGRA_CONSOLE_BAUDRATE		U(115200)
+#define TEGRA_BOOT_UART_CLK_13_MHZ	U(13000000)
+#define TEGRA_BOOT_UART_CLK_408_MHZ	U(408000000)
+
+/*******************************************************************************
+ * Platform memory map related constants
+ ******************************************************************************/
+/* Size of trusted dram */
+#define TZDRAM_SIZE			U(0x00400000)
+#define TZDRAM_END			(TZDRAM_BASE + TZDRAM_SIZE)
+
+/*******************************************************************************
+ * BL31 specific defines.
+ ******************************************************************************/
+#define BL31_BASE			TZDRAM_BASE
+#define BL31_LIMIT			(TZDRAM_BASE + BL31_SIZE - 1)
+#define BL32_BASE			(TZDRAM_BASE + BL31_SIZE)
+#define BL32_LIMIT			TZDRAM_END
+
+/*******************************************************************************
+ * Some data must be aligned on the biggest cache line size in the platform.
+ * This is known only to the platform as it might have a combination of
+ * integrated and external caches.
+ ******************************************************************************/
+#define CACHE_WRITEBACK_SHIFT		6
+#define CACHE_WRITEBACK_GRANULE		(0x40) /* (U(1) << CACHE_WRITEBACK_SHIFT) */
+
+/*******************************************************************************
+ * Dummy macros to compile io_storage support
+ ******************************************************************************/
+#define MAX_IO_DEVICES			U(0)
+#define MAX_IO_HANDLES			U(0)
+
+/*******************************************************************************
+ * Platforms macros to support SDEI
+ ******************************************************************************/
+#define TEGRA_SDEI_SGI_PRIVATE		U(8)
+
+/*******************************************************************************
+ * Platform macros to support exception handling framework
+ ******************************************************************************/
+#define PLAT_PRI_BITS			U(3)
+#define PLAT_RAS_PRI			U(0x10)
+#define PLAT_SDEI_CRITICAL_PRI		U(0x20)
+#define PLAT_SDEI_NORMAL_PRI		U(0x30)
+#define PLAT_TEGRA_WDT_PRIO		U(0x40)
+
+#define PLAT_EHF_DESC			EHF_PRI_DESC(PLAT_PRI_BITS,\
+						     PLAT_TEGRA_WDT_PRIO)
+
+/*******************************************************************************
+ * SDEI events
+ ******************************************************************************/
+/* SDEI dynamic private event numbers */
+#define TEGRA_SDEI_DP_EVENT_0		U(100)
+#define TEGRA_SDEI_DP_EVENT_1		U(101)
+#define TEGRA_SDEI_DP_EVENT_2		U(102)
+
+/* SDEI dynamic shared event numbers */
+#define TEGRA_SDEI_DS_EVENT_0		U(200)
+#define TEGRA_SDEI_DS_EVENT_1		U(201)
+#define TEGRA_SDEI_DS_EVENT_2		U(202)
+
+/* SDEI explicit events */
+#define TEGRA_SDEI_EP_EVENT_0		U(300)
+#define TEGRA_SDEI_EP_EVENT_1		U(301)
+#define TEGRA_SDEI_EP_EVENT_2		U(302)
+#define TEGRA_SDEI_EP_EVENT_3		U(303)
+#define TEGRA_SDEI_EP_EVENT_4		U(304)
+#define TEGRA_SDEI_EP_EVENT_5		U(305)
+#define TEGRA_SDEI_EP_EVENT_6		U(306)
+#define TEGRA_SDEI_EP_EVENT_7		U(307)
+#define TEGRA_SDEI_EP_EVENT_8		U(308)
+#define TEGRA_SDEI_EP_EVENT_9		U(309)
+#define TEGRA_SDEI_EP_EVENT_10		U(310)
+#define TEGRA_SDEI_EP_EVENT_11		U(311)
+
+#endif /* PLATFORM_DEF_H */
diff --git a/plat/nvidia/tegra/include/t186/tegra186_private.h b/plat/nvidia/tegra/include/t186/tegra186_private.h
new file mode 100644
index 0000000..4514e14
--- /dev/null
+++ b/plat/nvidia/tegra/include/t186/tegra186_private.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2017-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef TEGRA186_PRIVATE_H
+#define TEGRA186_PRIVATE_H
+
+uint64_t tegra186_get_mc_ctx_size(void);
+
+#endif /* TEGRA186_PRIVATE_H */
diff --git a/plat/nvidia/tegra/include/t186/tegra_def.h b/plat/nvidia/tegra/include/t186/tegra_def.h
new file mode 100644
index 0000000..a971cec
--- /dev/null
+++ b/plat/nvidia/tegra/include/t186/tegra_def.h
@@ -0,0 +1,327 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef TEGRA_DEF_H
+#define TEGRA_DEF_H
+
+#include <lib/utils_def.h>
+
+/*******************************************************************************
+ * Platform BL31 specific defines.
+ ******************************************************************************/
+#define BL31_SIZE			U(0x40000)
+
+/*******************************************************************************
+ * MCE apertures used by the ARI interface
+ *
+ * Aperture 0 - Cpu0 (ARM Cortex A-57)
+ * Aperture 1 - Cpu1 (ARM Cortex A-57)
+ * Aperture 2 - Cpu2 (ARM Cortex A-57)
+ * Aperture 3 - Cpu3 (ARM Cortex A-57)
+ * Aperture 4 - Cpu4 (Denver15)
+ * Aperture 5 - Cpu5 (Denver15)
+ ******************************************************************************/
+#define MCE_ARI_APERTURE_0_OFFSET	U(0x0)
+#define MCE_ARI_APERTURE_1_OFFSET	U(0x10000)
+#define MCE_ARI_APERTURE_2_OFFSET	U(0x20000)
+#define MCE_ARI_APERTURE_3_OFFSET	U(0x30000)
+#define MCE_ARI_APERTURE_4_OFFSET	U(0x40000)
+#define MCE_ARI_APERTURE_5_OFFSET	U(0x50000)
+#define MCE_ARI_APERTURE_OFFSET_MAX	MCE_APERTURE_5_OFFSET
+
+/* number of apertures */
+#define MCE_ARI_APERTURES_MAX		U(6)
+
+/* each ARI aperture is 64KB */
+#define MCE_ARI_APERTURE_SIZE		U(0x10000)
+
+/*******************************************************************************
+ * CPU core id macros for the MCE_ONLINE_CORE ARI
+ ******************************************************************************/
+#define MCE_CORE_ID_MAX			U(8)
+#define MCE_CORE_ID_MASK		U(0x7)
+
+/*******************************************************************************
+ * These values are used by the PSCI implementation during the `CPU_SUSPEND`
+ * and `SYSTEM_SUSPEND` calls as the `state-id` field in the 'power state'
+ * parameter.
+ ******************************************************************************/
+#define PSTATE_ID_CORE_IDLE		U(6)
+#define PSTATE_ID_CORE_POWERDN		U(7)
+#define PSTATE_ID_SOC_POWERDN		U(2)
+
+/*******************************************************************************
+ * Platform power states (used by PSCI framework)
+ *
+ * - PLAT_MAX_RET_STATE should be less than lowest PSTATE_ID
+ * - PLAT_MAX_OFF_STATE should be greater than the highest PSTATE_ID
+ ******************************************************************************/
+#define PLAT_MAX_RET_STATE		U(1)
+#define PLAT_MAX_OFF_STATE		U(8)
+
+/*******************************************************************************
+ * Chip specific page table and MMU setup constants
+ ******************************************************************************/
+#define PLAT_PHY_ADDR_SPACE_SIZE	(ULL(1) << 35)
+#define PLAT_VIRT_ADDR_SPACE_SIZE	(ULL(1) << 35)
+
+/*******************************************************************************
+ * Secure IRQ definitions
+ ******************************************************************************/
+#define TEGRA186_TOP_WDT_IRQ		U(49)
+#define TEGRA186_AON_WDT_IRQ		U(50)
+
+#define TEGRA186_SEC_IRQ_TARGET_MASK	U(0xF3) /* 4 A57 - 2 Denver */
+
+/*******************************************************************************
+ * Clock identifier for the SE device
+ ******************************************************************************/
+#define TEGRA186_CLK_SE			U(103)
+#define TEGRA_CLK_SE			TEGRA186_CLK_SE
+
+/*******************************************************************************
+ * Tegra Miscellanous register constants
+ ******************************************************************************/
+#define TEGRA_MISC_BASE			U(0x00100000)
+#define  HARDWARE_REVISION_OFFSET	U(0x4)
+
+#define  MISCREG_PFCFG			U(0x200C)
+
+/*******************************************************************************
+ * Tegra TSA Controller constants
+ ******************************************************************************/
+#define TEGRA_TSA_BASE			U(0x02400000)
+
+/*******************************************************************************
+ * TSA configuration registers
+ ******************************************************************************/
+#define TSA_CONFIG_STATIC0_CSW_SESWR			U(0x4010)
+#define  TSA_CONFIG_STATIC0_CSW_SESWR_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_ETRW			U(0x4038)
+#define  TSA_CONFIG_STATIC0_CSW_ETRW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_SDMMCWAB			U(0x5010)
+#define  TSA_CONFIG_STATIC0_CSW_SDMMCWAB_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_AXISW			U(0x7008)
+#define  TSA_CONFIG_STATIC0_CSW_AXISW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_HDAW			U(0xA008)
+#define  TSA_CONFIG_STATIC0_CSW_HDAW_RESET		U(0x100)
+#define TSA_CONFIG_STATIC0_CSW_AONDMAW			U(0xB018)
+#define  TSA_CONFIG_STATIC0_CSW_AONDMAW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_SCEDMAW			U(0xD018)
+#define  TSA_CONFIG_STATIC0_CSW_SCEDMAW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_BPMPDMAW			U(0xD028)
+#define  TSA_CONFIG_STATIC0_CSW_BPMPDMAW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_APEDMAW			U(0x12018)
+#define  TSA_CONFIG_STATIC0_CSW_APEDMAW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_UFSHCW			U(0x13008)
+#define  TSA_CONFIG_STATIC0_CSW_UFSHCW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_AFIW			U(0x13018)
+#define  TSA_CONFIG_STATIC0_CSW_AFIW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_SATAW			U(0x13028)
+#define  TSA_CONFIG_STATIC0_CSW_SATAW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_EQOSW			U(0x13038)
+#define  TSA_CONFIG_STATIC0_CSW_EQOSW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_XUSB_DEVW		U(0x15008)
+#define  TSA_CONFIG_STATIC0_CSW_XUSB_DEVW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_XUSB_HOSTW		U(0x15018)
+#define  TSA_CONFIG_STATIC0_CSW_XUSB_HOSTW_RESET	U(0x1100)
+
+#define TSA_CONFIG_CSW_MEMTYPE_OVERRIDE_MASK		(ULL(0x3) << 11)
+#define TSA_CONFIG_CSW_MEMTYPE_OVERRIDE_PASTHRU		(ULL(0) << 11)
+
+/*******************************************************************************
+ * Tegra General Purpose Centralised DMA constants
+ ******************************************************************************/
+#define TEGRA_GPCDMA_BASE		ULL(0x2610000)
+
+/*******************************************************************************
+ * Tegra Memory Controller constants
+ ******************************************************************************/
+#define TEGRA_MC_STREAMID_BASE		U(0x02C00000)
+#define TEGRA_MC_BASE			U(0x02C10000)
+
+/* General Security Carveout register macros */
+#define MC_GSC_CONFIG_REGS_SIZE		U(0x40)
+#define MC_GSC_LOCK_CFG_SETTINGS_BIT	(U(1) << 1)
+#define MC_GSC_ENABLE_TZ_LOCK_BIT	(ULL(1) << 0)
+#define MC_GSC_SIZE_RANGE_4KB_SHIFT	U(27)
+#define MC_GSC_BASE_LO_SHIFT		U(12)
+#define MC_GSC_BASE_LO_MASK		U(0xFFFFF)
+#define MC_GSC_BASE_HI_SHIFT		U(0)
+#define MC_GSC_BASE_HI_MASK		U(3)
+#define MC_GSC_ENABLE_CPU_SECURE_BIT    (U(1) << 31)
+
+/* TZDRAM carveout configuration registers */
+#define MC_SECURITY_CFG0_0		U(0x70)
+#define MC_SECURITY_CFG1_0		U(0x74)
+#define MC_SECURITY_CFG3_0		U(0x9BC)
+
+#define MC_SECURITY_BOM_MASK		(U(0xFFF) << 20)
+#define MC_SECURITY_SIZE_MB_MASK	(U(0x1FFF) << 0)
+#define MC_SECURITY_BOM_HI_MASK		(U(0x3) << 0)
+
+/* Video Memory carveout configuration registers */
+#define MC_VIDEO_PROTECT_BASE_HI	U(0x978)
+#define MC_VIDEO_PROTECT_BASE_LO	U(0x648)
+#define MC_VIDEO_PROTECT_SIZE_MB	U(0x64C)
+#define MC_VIDEO_PROTECT_REG_CTRL	U(0x650)
+#define MC_VIDEO_PROTECT_WRITE_ACCESS_ENABLED	U(3)
+
+/*
+ * Carveout (MC_SECURITY_CARVEOUT24) registers used to clear the
+ * non-overlapping Video memory region
+ */
+#define MC_VIDEO_PROTECT_CLEAR_CFG	U(0x25A0)
+#define MC_VIDEO_PROTECT_CLEAR_BASE_LO	U(0x25A4)
+#define MC_VIDEO_PROTECT_CLEAR_BASE_HI	U(0x25A8)
+#define MC_VIDEO_PROTECT_CLEAR_SIZE	U(0x25AC)
+#define MC_VIDEO_PROTECT_CLEAR_ACCESS_CFG0	U(0x25B0)
+
+/* TZRAM carveout (MC_SECURITY_CARVEOUT11) configuration registers */
+#define MC_TZRAM_CARVEOUT_CFG		U(0x2190)
+#define MC_TZRAM_BASE_LO		U(0x2194)
+#define MC_TZRAM_BASE_HI		U(0x2198)
+#define MC_TZRAM_SIZE			U(0x219C)
+#define MC_TZRAM_CLIENT_ACCESS0_CFG0	U(0x21A0)
+#define MC_TZRAM_CLIENT_ACCESS1_CFG0	U(0x21A4)
+#define  TZRAM_ALLOW_MPCORER		(U(1) << 7)
+#define  TZRAM_ALLOW_MPCOREW		(U(1) << 25)
+
+/*******************************************************************************
+ * Tegra UART Controller constants
+ ******************************************************************************/
+#define TEGRA_UARTA_BASE		U(0x03100000)
+#define TEGRA_UARTB_BASE		U(0x03110000)
+#define TEGRA_UARTC_BASE		U(0x0C280000)
+#define TEGRA_UARTD_BASE		U(0x03130000)
+#define TEGRA_UARTE_BASE		U(0x03140000)
+#define TEGRA_UARTF_BASE		U(0x03150000)
+#define TEGRA_UARTG_BASE		U(0x0C290000)
+
+/*******************************************************************************
+ * Tegra Fuse Controller related constants
+ ******************************************************************************/
+#define TEGRA_FUSE_BASE			U(0x03820000)
+#define  OPT_SUBREVISION		U(0x248)
+#define  SUBREVISION_MASK		U(0xFF)
+
+/*******************************************************************************
+ * GICv2 & interrupt handling related constants
+ ******************************************************************************/
+#define TEGRA_GICD_BASE			U(0x03881000)
+#define TEGRA_GICC_BASE			U(0x03882000)
+
+/*******************************************************************************
+ * Security Engine related constants
+ ******************************************************************************/
+#define TEGRA_SE0_BASE			U(0x03AC0000)
+#define  SE_MUTEX_WATCHDOG_NS_LIMIT	U(0x6C)
+#define TEGRA_PKA1_BASE			U(0x03AD0000)
+#define  PKA_MUTEX_WATCHDOG_NS_LIMIT	U(0x8144)
+#define TEGRA_RNG1_BASE			U(0x03AE0000)
+#define  RNG_MUTEX_WATCHDOG_NS_LIMIT	U(0xFE0)
+
+/*******************************************************************************
+ * Tegra HSP doorbell #0 constants
+ ******************************************************************************/
+#define TEGRA_HSP_DBELL_BASE		U(0x03C90000)
+#define HSP_DBELL_1_ENABLE		U(0x104)
+#define HSP_DBELL_3_TRIGGER		U(0x300)
+#define HSP_DBELL_3_ENABLE		U(0x304)
+
+/*******************************************************************************
+ * Tegra Clock and Reset Controller constants
+ ******************************************************************************/
+#define TEGRA_CAR_RESET_BASE		U(0x05000000)
+#define TEGRA_GPU_RESET_REG_OFFSET	U(0x30)
+#define TEGRA_GPU_RESET_GPU_SET_OFFSET	U(0x34)
+#define  GPU_RESET_BIT			(U(1) << 0)
+#define  GPU_SET_BIT			(U(1) << 0)
+#define TEGRA_GPCDMA_RST_SET_REG_OFFSET	U(0x6A0004)
+#define TEGRA_GPCDMA_RST_CLR_REG_OFFSET	U(0x6A0008)
+
+/*******************************************************************************
+ * Tegra micro-seconds timer constants
+ ******************************************************************************/
+#define TEGRA_TMRUS_BASE		U(0x0C2E0000)
+#define TEGRA_TMRUS_SIZE		U(0x1000)
+
+/*******************************************************************************
+ * Tegra Power Mgmt Controller constants
+ ******************************************************************************/
+#define TEGRA_PMC_BASE			U(0x0C360000)
+
+/*******************************************************************************
+ * Tegra scratch registers constants
+ ******************************************************************************/
+#define TEGRA_SCRATCH_BASE		U(0x0C390000)
+#define  SECURE_SCRATCH_RSV0_HI		U(0x654)
+#define  SECURE_SCRATCH_RSV1_LO		U(0x658)
+#define  SECURE_SCRATCH_RSV1_HI		U(0x65C)
+#define  SECURE_SCRATCH_RSV6		U(0x680)
+#define  SECURE_SCRATCH_RSV11_LO	U(0x6A8)
+#define  SECURE_SCRATCH_RSV11_HI	U(0x6AC)
+#define  SECURE_SCRATCH_RSV53_LO	U(0x7F8)
+#define  SECURE_SCRATCH_RSV53_HI	U(0x7FC)
+#define  SECURE_SCRATCH_RSV55_LO	U(0x808)
+#define  SECURE_SCRATCH_RSV55_HI	U(0x80C)
+#define  SECURE_SCRATCH_RSV63_LO	U(0x848)
+#define  SECURE_SCRATCH_RSV63_HI	U(0x84C)
+#define  SECURE_SCRATCH_RSV64_LO	U(0x850)
+#define  SECURE_SCRATCH_RSV64_HI	U(0x854)
+#define  SECURE_SCRATCH_RSV65_LO	U(0x858)
+#define  SECURE_SCRATCH_RSV65_HI	U(0x85c)
+#define  SECURE_SCRATCH_RSV66_LO	U(0x860)
+#define  SECURE_SCRATCH_RSV66_HI	U(0x864)
+#define  SECURE_SCRATCH_RSV68_LO	U(0x870)
+
+#define SCRATCH_RESET_VECTOR_LO		SECURE_SCRATCH_RSV1_LO
+#define SCRATCH_RESET_VECTOR_HI		SECURE_SCRATCH_RSV1_HI
+#define SCRATCH_SECURE_BOOTP_FCFG	SECURE_SCRATCH_RSV6
+#define SCRATCH_MC_TABLE_ADDR_LO	SECURE_SCRATCH_RSV11_LO
+#define SCRATCH_MC_TABLE_ADDR_HI	SECURE_SCRATCH_RSV11_HI
+#define SCRATCH_BL31_PARAMS_ADDR	SECURE_SCRATCH_RSV53_LO
+#define SCRATCH_BL31_PLAT_PARAMS_ADDR	SECURE_SCRATCH_RSV53_HI
+#define SCRATCH_TZDRAM_ADDR_LO		SECURE_SCRATCH_RSV55_LO
+#define SCRATCH_TZDRAM_ADDR_HI		SECURE_SCRATCH_RSV55_HI
+
+/*******************************************************************************
+ * Tegra Memory Mapped Control Register Access constants
+ ******************************************************************************/
+#define TEGRA_MMCRAB_BASE		U(0x0E000000)
+
+/*******************************************************************************
+ * Tegra Memory Mapped Activity Monitor Register Access constants
+ ******************************************************************************/
+#define TEGRA_ARM_ACTMON_CTR_BASE	U(0x0E060000)
+#define TEGRA_DENVER_ACTMON_CTR_BASE	U(0x0E070000)
+
+/*******************************************************************************
+ * Tegra SMMU Controller constants
+ ******************************************************************************/
+#define TEGRA_SMMU0_BASE		U(0x12000000)
+
+/*******************************************************************************
+ * Tegra TZRAM constants
+ ******************************************************************************/
+#define TEGRA_TZRAM_BASE		U(0x30000000)
+#define TEGRA_TZRAM_SIZE		U(0x40000)
+
+/*******************************************************************************
+ * Tegra CCPLEX-BPMP IPC constants
+ ******************************************************************************/
+#define TEGRA_BPMP_IPC_TX_PHYS_BASE	U(0x3004C000)
+#define TEGRA_BPMP_IPC_RX_PHYS_BASE	U(0x3004D000)
+#define TEGRA_BPMP_IPC_CH_MAP_SIZE	U(0x1000) /* 4KB */
+
+/*******************************************************************************
+ * Tegra DRAM memory base address
+ ******************************************************************************/
+#define TEGRA_DRAM_BASE			ULL(0x80000000)
+#define TEGRA_DRAM_END			ULL(0x27FFFFFFF)
+
+#endif /* TEGRA_DEF_H */
diff --git a/plat/nvidia/tegra/include/t186/tegra_mc_def.h b/plat/nvidia/tegra/include/t186/tegra_mc_def.h
new file mode 100644
index 0000000..fa44772
--- /dev/null
+++ b/plat/nvidia/tegra/include/t186/tegra_mc_def.h
@@ -0,0 +1,398 @@
+/*
+ * Copyright (c) 2017-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef TEGRA_MC_DEF_H
+#define TEGRA_MC_DEF_H
+
+/*******************************************************************************
+ * Memory Controller's PCFIFO client configuration registers
+ ******************************************************************************/
+#define MC_PCFIFO_CLIENT_CONFIG0				0xdd0U
+
+#define MC_PCFIFO_CLIENT_CONFIG1				0xdd4U
+#define  MC_PCFIFO_CLIENT_CONFIG1_RESET_VAL			0x20000U
+#define  MC_PCFIFO_CLIENT_CONFIG1_PCFIFO_AFIW_UNORDERED		(0U << 17)
+#define  MC_PCFIFO_CLIENT_CONFIG1_PCFIFO_AFIW_MASK		(1U << 17)
+#define  MC_PCFIFO_CLIENT_CONFIG1_PCFIFO_HDAW_UNORDERED		(0U << 21)
+#define  MC_PCFIFO_CLIENT_CONFIG1_PCFIFO_HDAW_MASK		(1U << 21)
+#define  MC_PCFIFO_CLIENT_CONFIG1_PCFIFO_SATAW_UNORDERED 	(0U << 29)
+#define  MC_PCFIFO_CLIENT_CONFIG1_PCFIFO_SATAW_MASK		(1U << 29)
+
+#define MC_PCFIFO_CLIENT_CONFIG2				0xdd8U
+#define  MC_PCFIFO_CLIENT_CONFIG2_RESET_VAL			0x20000U
+#define  MC_PCFIFO_CLIENT_CONFIG2_PCFIFO_XUSB_HOSTW_UNORDERED	(0U << 11)
+#define  MC_PCFIFO_CLIENT_CONFIG2_PCFIFO_XUSB_HOSTW_MASK	(1U << 11)
+#define  MC_PCFIFO_CLIENT_CONFIG2_PCFIFO_XUSB_DEVW_UNORDERED	(0U << 13)
+#define  MC_PCFIFO_CLIENT_CONFIG2_PCFIFO_XUSB_DEVW_MASK		(1U << 13)
+
+#define MC_PCFIFO_CLIENT_CONFIG3				0xddcU
+#define  MC_PCFIFO_CLIENT_CONFIG3_RESET_VAL			0U
+#define  MC_PCFIFO_CLIENT_CONFIG3_PCFIFO_SDMMCWAB_UNORDERED	(0U << 7)
+#define  MC_PCFIFO_CLIENT_CONFIG3_PCFIFO_SDMMCWAB_MASK		(1U << 7)
+
+#define MC_PCFIFO_CLIENT_CONFIG4				0xde0U
+#define  MC_PCFIFO_CLIENT_CONFIG4_RESET_VAL			0U
+#define  MC_PCFIFO_CLIENT_CONFIG4_PCFIFO_SESWR_UNORDERED 	(0U << 1)
+#define  MC_PCFIFO_CLIENT_CONFIG4_PCFIFO_SESWR_MASK		(1U << 1)
+#define  MC_PCFIFO_CLIENT_CONFIG4_PCFIFO_ETRW_UNORDERED		(0U << 5)
+#define  MC_PCFIFO_CLIENT_CONFIG4_PCFIFO_ETRW_MASK		(1U << 5)
+#define  MC_PCFIFO_CLIENT_CONFIG4_PCFIFO_AXISW_UNORDERED 	(0U << 13)
+#define  MC_PCFIFO_CLIENT_CONFIG4_PCFIFO_AXISW_MASK		(1U << 13)
+#define  MC_PCFIFO_CLIENT_CONFIG4_PCFIFO_EQOSW_UNORDERED 	(0U << 15)
+#define  MC_PCFIFO_CLIENT_CONFIG4_PCFIFO_EQOSW_ORDERED 		(1U << 15)
+#define  MC_PCFIFO_CLIENT_CONFIG4_PCFIFO_EQOSW_MASK		(1U << 15)
+#define  MC_PCFIFO_CLIENT_CONFIG4_PCFIFO_UFSHCW_UNORDERED	(0U << 17)
+#define  MC_PCFIFO_CLIENT_CONFIG4_PCFIFO_UFSHCW_MASK		(1U << 17)
+#define  MC_PCFIFO_CLIENT_CONFIG4_PCFIFO_BPMPDMAW_UNORDERED	(0U << 22)
+#define  MC_PCFIFO_CLIENT_CONFIG4_PCFIFO_BPMPDMAW_MASK		(1U << 22)
+#define  MC_PCFIFO_CLIENT_CONFIG4_PCFIFO_AONDMAW_UNORDERED	(0U << 26)
+#define  MC_PCFIFO_CLIENT_CONFIG4_PCFIFO_AONDMAW_MASK		(1U << 26)
+#define  MC_PCFIFO_CLIENT_CONFIG4_PCFIFO_SCEDMAW_UNORDERED	(0U << 30)
+#define  MC_PCFIFO_CLIENT_CONFIG4_PCFIFO_SCEDMAW_MASK		(1U << 30)
+
+#define MC_PCFIFO_CLIENT_CONFIG5				0xbf4U
+#define  MC_PCFIFO_CLIENT_CONFIG5_RESET_VAL			0U
+#define  MC_PCFIFO_CLIENT_CONFIG5_PCFIFO_APEDMAW_UNORDERED	(0U << 0)
+#define  MC_PCFIFO_CLIENT_CONFIG5_PCFIFO_APEDMAW_MASK		(1U << 0)
+
+/*******************************************************************************
+ * Stream ID Override Config registers
+ ******************************************************************************/
+#define MC_STREAMID_OVERRIDE_CFG_PTCR				0x000U
+#define MC_STREAMID_OVERRIDE_CFG_AFIR				0x070U
+#define MC_STREAMID_OVERRIDE_CFG_HDAR				0x0A8U
+#define MC_STREAMID_OVERRIDE_CFG_HOST1XDMAR			0x0B0U
+#define MC_STREAMID_OVERRIDE_CFG_NVENCSRD			0x0E0U
+#define MC_STREAMID_OVERRIDE_CFG_SATAR				0x0F8U
+#define MC_STREAMID_OVERRIDE_CFG_MPCORER			0x138U
+#define MC_STREAMID_OVERRIDE_CFG_NVENCSWR			0x158U
+#define MC_STREAMID_OVERRIDE_CFG_AFIW				0x188U
+#define MC_STREAMID_OVERRIDE_CFG_HDAW				0x1A8U
+#define MC_STREAMID_OVERRIDE_CFG_MPCOREW			0x1C8U
+#define MC_STREAMID_OVERRIDE_CFG_SATAW				0x1E8U
+#define MC_STREAMID_OVERRIDE_CFG_ISPRA				0x220U
+#define MC_STREAMID_OVERRIDE_CFG_ISPWA				0x230U
+#define MC_STREAMID_OVERRIDE_CFG_ISPWB				0x238U
+#define MC_STREAMID_OVERRIDE_CFG_XUSB_HOSTR			0x250U
+#define MC_STREAMID_OVERRIDE_CFG_XUSB_HOSTW			0x258U
+#define MC_STREAMID_OVERRIDE_CFG_XUSB_DEVR			0x260U
+#define MC_STREAMID_OVERRIDE_CFG_XUSB_DEVW			0x268U
+#define MC_STREAMID_OVERRIDE_CFG_TSECSRD			0x2A0U
+#define MC_STREAMID_OVERRIDE_CFG_TSECSWR			0x2A8U
+#define MC_STREAMID_OVERRIDE_CFG_GPUSRD				0x2C0U
+#define MC_STREAMID_OVERRIDE_CFG_GPUSWR				0x2C8U
+#define MC_STREAMID_OVERRIDE_CFG_SDMMCRA			0x300U
+#define MC_STREAMID_OVERRIDE_CFG_SDMMCRAA			0x308U
+#define MC_STREAMID_OVERRIDE_CFG_SDMMCR				0x310U
+#define MC_STREAMID_OVERRIDE_CFG_SDMMCRAB			0x318U
+#define MC_STREAMID_OVERRIDE_CFG_SDMMCWA			0x320U
+#define MC_STREAMID_OVERRIDE_CFG_SDMMCWAA			0x328U
+#define MC_STREAMID_OVERRIDE_CFG_SDMMCW				0x330U
+#define MC_STREAMID_OVERRIDE_CFG_SDMMCWAB			0x338U
+#define MC_STREAMID_OVERRIDE_CFG_VICSRD				0x360U
+#define MC_STREAMID_OVERRIDE_CFG_VICSWR				0x368U
+#define MC_STREAMID_OVERRIDE_CFG_VIW				0x390U
+#define MC_STREAMID_OVERRIDE_CFG_NVDECSRD			0x3C0U
+#define MC_STREAMID_OVERRIDE_CFG_NVDECSWR			0x3C8U
+#define MC_STREAMID_OVERRIDE_CFG_APER				0x3D0U
+#define MC_STREAMID_OVERRIDE_CFG_APEW				0x3D8U
+#define MC_STREAMID_OVERRIDE_CFG_NVJPGSRD			0x3F0U
+#define MC_STREAMID_OVERRIDE_CFG_NVJPGSWR			0x3F8U
+#define MC_STREAMID_OVERRIDE_CFG_SESRD				0x400U
+#define MC_STREAMID_OVERRIDE_CFG_SESWR				0x408U
+#define MC_STREAMID_OVERRIDE_CFG_ETRR				0x420U
+#define MC_STREAMID_OVERRIDE_CFG_ETRW				0x428U
+#define MC_STREAMID_OVERRIDE_CFG_TSECSRDB			0x430U
+#define MC_STREAMID_OVERRIDE_CFG_TSECSWRB			0x438U
+#define MC_STREAMID_OVERRIDE_CFG_GPUSRD2			0x440U
+#define MC_STREAMID_OVERRIDE_CFG_GPUSWR2			0x448U
+#define MC_STREAMID_OVERRIDE_CFG_AXISR				0x460U
+#define MC_STREAMID_OVERRIDE_CFG_AXISW				0x468U
+#define MC_STREAMID_OVERRIDE_CFG_EQOSR				0x470U
+#define MC_STREAMID_OVERRIDE_CFG_EQOSW				0x478U
+#define MC_STREAMID_OVERRIDE_CFG_UFSHCR				0x480U
+#define MC_STREAMID_OVERRIDE_CFG_UFSHCW				0x488U
+#define MC_STREAMID_OVERRIDE_CFG_NVDISPLAYR			0x490U
+#define MC_STREAMID_OVERRIDE_CFG_BPMPR				0x498U
+#define MC_STREAMID_OVERRIDE_CFG_BPMPW				0x4A0U
+#define MC_STREAMID_OVERRIDE_CFG_BPMPDMAR			0x4A8U
+#define MC_STREAMID_OVERRIDE_CFG_BPMPDMAW			0x4B0U
+#define MC_STREAMID_OVERRIDE_CFG_AONR				0x4B8U
+#define MC_STREAMID_OVERRIDE_CFG_AONW				0x4C0U
+#define MC_STREAMID_OVERRIDE_CFG_AONDMAR			0x4C8U
+#define MC_STREAMID_OVERRIDE_CFG_AONDMAW			0x4D0U
+#define MC_STREAMID_OVERRIDE_CFG_SCER				0x4D8U
+#define MC_STREAMID_OVERRIDE_CFG_SCEW				0x4E0U
+#define MC_STREAMID_OVERRIDE_CFG_SCEDMAR			0x4E8U
+#define MC_STREAMID_OVERRIDE_CFG_SCEDMAW			0x4F0U
+#define MC_STREAMID_OVERRIDE_CFG_APEDMAR			0x4F8U
+#define MC_STREAMID_OVERRIDE_CFG_APEDMAW			0x500U
+#define MC_STREAMID_OVERRIDE_CFG_NVDISPLAYR1			0x508U
+#define MC_STREAMID_OVERRIDE_CFG_VICSRD1			0x510U
+#define MC_STREAMID_OVERRIDE_CFG_NVDECSRD1			0x518U
+
+/*******************************************************************************
+ * Macro to calculate Security cfg register addr from StreamID Override register
+ ******************************************************************************/
+#define MC_STREAMID_OVERRIDE_TO_SECURITY_CFG(addr) ((addr) + (uint32_t)sizeof(uint32_t))
+
+#define MC_TXN_OVERRIDE_CONFIG_COH_PATH_NO_OVERRIDE_SO_DEV		(0U << 4)
+#define MC_TXN_OVERRIDE_CONFIG_COH_PATH_FORCE_NON_COHERENT_SO_DEV	(1U << 4)
+#define MC_TXN_OVERRIDE_CONFIG_COH_PATH_FORCE_COHERENT_SO_DEV		(2U << 4)
+#define MC_TXN_OVERRIDE_CONFIG_COH_PATH_FORCE_COHERENT_SNOOP_SO_DEV	(3U << 4)
+
+#define MC_TXN_OVERRIDE_CONFIG_COH_PATH_NO_OVERRIDE_NORMAL		(0U << 8)
+#define MC_TXN_OVERRIDE_CONFIG_COH_PATH_FORCE_NON_COHERENT_NORMAL	(1U << 8)
+#define MC_TXN_OVERRIDE_CONFIG_COH_PATH_FORCE_COHERENT_NORMAL		(2U << 8)
+#define MC_TXN_OVERRIDE_CONFIG_COH_PATH_FORCE_COHERENT_SNOOP_NORMAL	(3U << 8)
+
+#define MC_TXN_OVERRIDE_CONFIG_CGID_SO_DEV_ZERO				(0U << 12)
+#define MC_TXN_OVERRIDE_CONFIG_CGID_SO_DEV_CLIENT_AXI_ID		(1U << 12)
+
+/*******************************************************************************
+ * Memory Controller transaction override config registers
+ ******************************************************************************/
+#define MC_TXN_OVERRIDE_CONFIG_HDAR				0x10a8U
+#define MC_TXN_OVERRIDE_CONFIG_BPMPW				0x14a0U
+#define MC_TXN_OVERRIDE_CONFIG_PTCR				0x1000U
+#define MC_TXN_OVERRIDE_CONFIG_NVDISPLAYR			0x1490U
+#define MC_TXN_OVERRIDE_CONFIG_EQOSW				0x1478U
+#define MC_TXN_OVERRIDE_CONFIG_NVJPGSWR				0x13f8U
+#define MC_TXN_OVERRIDE_CONFIG_ISPRA				0x1220U
+#define MC_TXN_OVERRIDE_CONFIG_SDMMCWAA				0x1328U
+#define MC_TXN_OVERRIDE_CONFIG_VICSRD				0x1360U
+#define MC_TXN_OVERRIDE_CONFIG_MPCOREW				0x11c8U
+#define MC_TXN_OVERRIDE_CONFIG_GPUSRD				0x12c0U
+#define MC_TXN_OVERRIDE_CONFIG_AXISR				0x1460U
+#define MC_TXN_OVERRIDE_CONFIG_SCEDMAW				0x14f0U
+#define MC_TXN_OVERRIDE_CONFIG_SDMMCW				0x1330U
+#define MC_TXN_OVERRIDE_CONFIG_EQOSR				0x1470U
+#define MC_TXN_OVERRIDE_CONFIG_APEDMAR				0x14f8U
+#define MC_TXN_OVERRIDE_CONFIG_NVENCSRD				0x10e0U
+#define MC_TXN_OVERRIDE_CONFIG_SDMMCRAB				0x1318U
+#define MC_TXN_OVERRIDE_CONFIG_VICSRD1				0x1510U
+#define MC_TXN_OVERRIDE_CONFIG_BPMPDMAR				0x14a8U
+#define MC_TXN_OVERRIDE_CONFIG_VIW				0x1390U
+#define MC_TXN_OVERRIDE_CONFIG_SDMMCRAA				0x1308U
+#define MC_TXN_OVERRIDE_CONFIG_AXISW				0x1468U
+#define MC_TXN_OVERRIDE_CONFIG_XUSB_DEVR			0x1260U
+#define MC_TXN_OVERRIDE_CONFIG_UFSHCR				0x1480U
+#define MC_TXN_OVERRIDE_CONFIG_TSECSWR				0x12a8U
+#define MC_TXN_OVERRIDE_CONFIG_GPUSWR				0x12c8U
+#define MC_TXN_OVERRIDE_CONFIG_SATAR				0x10f8U
+#define MC_TXN_OVERRIDE_CONFIG_XUSB_HOSTW			0x1258U
+#define MC_TXN_OVERRIDE_CONFIG_TSECSWRB				0x1438U
+#define MC_TXN_OVERRIDE_CONFIG_GPUSRD2				0x1440U
+#define MC_TXN_OVERRIDE_CONFIG_SCEDMAR				0x14e8U
+#define MC_TXN_OVERRIDE_CONFIG_GPUSWR2				0x1448U
+#define MC_TXN_OVERRIDE_CONFIG_AONDMAW				0x14d0U
+#define MC_TXN_OVERRIDE_CONFIG_APEDMAW				0x1500U
+#define MC_TXN_OVERRIDE_CONFIG_AONW				0x14c0U
+#define MC_TXN_OVERRIDE_CONFIG_HOST1XDMAR			0x10b0U
+#define MC_TXN_OVERRIDE_CONFIG_ETRR				0x1420U
+#define MC_TXN_OVERRIDE_CONFIG_SESWR				0x1408U
+#define MC_TXN_OVERRIDE_CONFIG_NVJPGSRD				0x13f0U
+#define MC_TXN_OVERRIDE_CONFIG_NVDECSRD				0x13c0U
+#define MC_TXN_OVERRIDE_CONFIG_TSECSRDB				0x1430U
+#define MC_TXN_OVERRIDE_CONFIG_BPMPDMAW				0x14b0U
+#define MC_TXN_OVERRIDE_CONFIG_APER				0x13d0U
+#define MC_TXN_OVERRIDE_CONFIG_NVDECSRD1			0x1518U
+#define MC_TXN_OVERRIDE_CONFIG_XUSB_HOSTR			0x1250U
+#define MC_TXN_OVERRIDE_CONFIG_ISPWA				0x1230U
+#define MC_TXN_OVERRIDE_CONFIG_SESRD				0x1400U
+#define MC_TXN_OVERRIDE_CONFIG_SCER				0x14d8U
+#define MC_TXN_OVERRIDE_CONFIG_AONR				0x14b8U
+#define MC_TXN_OVERRIDE_CONFIG_MPCORER				0x1138U
+#define MC_TXN_OVERRIDE_CONFIG_SDMMCWA				0x1320U
+#define MC_TXN_OVERRIDE_CONFIG_HDAW				0x11a8U
+#define MC_TXN_OVERRIDE_CONFIG_NVDECSWR				0x13c8U
+#define MC_TXN_OVERRIDE_CONFIG_UFSHCW				0x1488U
+#define MC_TXN_OVERRIDE_CONFIG_AONDMAR				0x14c8U
+#define MC_TXN_OVERRIDE_CONFIG_SATAW				0x11e8U
+#define MC_TXN_OVERRIDE_CONFIG_ETRW				0x1428U
+#define MC_TXN_OVERRIDE_CONFIG_VICSWR				0x1368U
+#define MC_TXN_OVERRIDE_CONFIG_NVENCSWR				0x1158U
+#define MC_TXN_OVERRIDE_CONFIG_AFIR				0x1070U
+#define MC_TXN_OVERRIDE_CONFIG_SDMMCWAB				0x1338U
+#define MC_TXN_OVERRIDE_CONFIG_SDMMCRA				0x1300U
+#define MC_TXN_OVERRIDE_CONFIG_NVDISPLAYR1			0x1508U
+#define MC_TXN_OVERRIDE_CONFIG_ISPWB				0x1238U
+#define MC_TXN_OVERRIDE_CONFIG_BPMPR				0x1498U
+#define MC_TXN_OVERRIDE_CONFIG_APEW				0x13d8U
+#define MC_TXN_OVERRIDE_CONFIG_SDMMCR				0x1310U
+#define MC_TXN_OVERRIDE_CONFIG_XUSB_DEVW			0x1268U
+#define MC_TXN_OVERRIDE_CONFIG_TSECSRD				0x12a0U
+#define MC_TXN_OVERRIDE_CONFIG_AFIW				0x1188U
+#define MC_TXN_OVERRIDE_CONFIG_SCEW				0x14e0U
+
+#define MC_TXN_OVERRIDE_CONFIG_AXID_OVERRIDE_CGID			(1U << 0)
+#define MC_TXN_OVERRIDE_CONFIG_COH_PATH_OVERRIDE_SO_DEV			(2U << 4)
+#define MC_TXN_OVERRIDE_CONFIG_AXID_OVERRIDE_SO_DEV_CGID_SO_DEV_CLIENT	(1U << 12)
+
+/*******************************************************************************
+ * Non-SO_DEV transactions override values for CGID_TAG bitfield for the
+ * MC_TXN_OVERRIDE_CONFIG_{module} registers
+ ******************************************************************************/
+#define MC_TXN_OVERRIDE_CGID_TAG_DEFAULT			0U
+#define MC_TXN_OVERRIDE_CGID_TAG_CLIENT_AXI_ID			1U
+#define MC_TXN_OVERRIDE_CGID_TAG_ZERO				2U
+#define MC_TXN_OVERRIDE_CGID_TAG_ADR				3U
+#define MC_TXN_OVERRIDE_CGID_TAG_MASK				3ULL
+
+/*******************************************************************************
+ * Memory Controller Reset Control registers
+ ******************************************************************************/
+#define MC_CLIENT_HOTRESET_CTRL0				0x200U
+#define  MC_CLIENT_HOTRESET_CTRL0_RESET_VAL			0U
+#define  MC_CLIENT_HOTRESET_CTRL0_AFI_FLUSH_ENB			(1U << 0)
+#define  MC_CLIENT_HOTRESET_CTRL0_HC_FLUSH_ENB			(1U << 6)
+#define  MC_CLIENT_HOTRESET_CTRL0_HDA_FLUSH_ENB			(1U << 7)
+#define  MC_CLIENT_HOTRESET_CTRL0_ISP2_FLUSH_ENB		(1U << 8)
+#define  MC_CLIENT_HOTRESET_CTRL0_MPCORE_FLUSH_ENB		(1U << 9)
+#define  MC_CLIENT_HOTRESET_CTRL0_NVENC_FLUSH_ENB		(1U << 11)
+#define  MC_CLIENT_HOTRESET_CTRL0_SATA_FLUSH_ENB		(1U << 15)
+#define  MC_CLIENT_HOTRESET_CTRL0_VI_FLUSH_ENB			(1U << 17)
+#define  MC_CLIENT_HOTRESET_CTRL0_VIC_FLUSH_ENB			(1U << 18)
+#define  MC_CLIENT_HOTRESET_CTRL0_XUSB_HOST_FLUSH_ENB		(1U << 19)
+#define  MC_CLIENT_HOTRESET_CTRL0_XUSB_DEV_FLUSH_ENB		(1U << 20)
+#define  MC_CLIENT_HOTRESET_CTRL0_TSEC_FLUSH_ENB		(1U << 22)
+#define  MC_CLIENT_HOTRESET_CTRL0_SDMMC1A_FLUSH_ENB		(1U << 29)
+#define  MC_CLIENT_HOTRESET_CTRL0_SDMMC2A_FLUSH_ENB		(1U << 30)
+#define  MC_CLIENT_HOTRESET_CTRL0_SDMMC3A_FLUSH_ENB		(1U << 31)
+#define MC_CLIENT_HOTRESET_STATUS0				0x204U
+#define MC_CLIENT_HOTRESET_CTRL1				0x970U
+#define  MC_CLIENT_HOTRESET_CTRL1_RESET_VAL			0U
+#define  MC_CLIENT_HOTRESET_CTRL1_SDMMC4A_FLUSH_ENB		(1U << 0)
+#define  MC_CLIENT_HOTRESET_CTRL1_GPU_FLUSH_ENB			(1U << 2)
+#define  MC_CLIENT_HOTRESET_CTRL1_NVDEC_FLUSH_ENB		(1U << 5)
+#define  MC_CLIENT_HOTRESET_CTRL1_APE_FLUSH_ENB			(1U << 6)
+#define  MC_CLIENT_HOTRESET_CTRL1_SE_FLUSH_ENB			(1U << 7)
+#define  MC_CLIENT_HOTRESET_CTRL1_NVJPG_FLUSH_ENB		(1U << 8)
+#define  MC_CLIENT_HOTRESET_CTRL1_ETR_FLUSH_ENB			(1U << 12)
+#define  MC_CLIENT_HOTRESET_CTRL1_TSECB_FLUSH_ENB		(1U << 13)
+#define  MC_CLIENT_HOTRESET_CTRL1_AXIS_FLUSH_ENB		(1U << 18)
+#define  MC_CLIENT_HOTRESET_CTRL1_EQOS_FLUSH_ENB		(1U << 19)
+#define  MC_CLIENT_HOTRESET_CTRL1_UFSHC_FLUSH_ENB		(1U << 20)
+#define  MC_CLIENT_HOTRESET_CTRL1_NVDISPLAY_FLUSH_ENB		(1U << 21)
+#define  MC_CLIENT_HOTRESET_CTRL1_BPMP_FLUSH_ENB		(1U << 22)
+#define  MC_CLIENT_HOTRESET_CTRL1_AON_FLUSH_ENB			(1U << 23)
+#define  MC_CLIENT_HOTRESET_CTRL1_SCE_FLUSH_ENB			(1U << 24)
+#define MC_CLIENT_HOTRESET_STATUS1				0x974U
+
+#ifndef __ASSEMBLER__
+
+/*******************************************************************************
+ * Structure to hold the transaction override settings to use to override
+ * client inputs
+ ******************************************************************************/
+typedef struct mc_txn_override_cfg {
+	uint32_t offset;
+	uint8_t cgid_tag;
+} mc_txn_override_cfg_t;
+
+#define mc_make_txn_override_cfg(off, val) \
+	{ \
+		.offset = MC_TXN_OVERRIDE_CONFIG_ ## off, \
+		.cgid_tag = MC_TXN_OVERRIDE_ ## val \
+	}
+
+/*******************************************************************************
+ * Structure to hold the Stream ID to use to override client inputs
+ ******************************************************************************/
+typedef struct mc_streamid_override_cfg {
+	uint32_t offset;
+	uint8_t stream_id;
+} mc_streamid_override_cfg_t;
+
+/*******************************************************************************
+ * Structure to hold the Stream ID Security Configuration settings
+ ******************************************************************************/
+typedef struct mc_streamid_security_cfg {
+	char *name;
+	uint32_t offset;
+	uint32_t override_enable;
+	uint32_t override_client_inputs;
+	uint32_t override_client_ns_flag;
+} mc_streamid_security_cfg_t;
+
+#define OVERRIDE_DISABLE				1U
+#define OVERRIDE_ENABLE					0U
+#define CLIENT_FLAG_SECURE				0U
+#define CLIENT_FLAG_NON_SECURE				1U
+#define CLIENT_INPUTS_OVERRIDE				1U
+#define CLIENT_INPUTS_NO_OVERRIDE			0U
+
+/*******************************************************************************
+ * StreamID to indicate no SMMU translations (requests to be steered on the
+ * SMMU bypass path)
+ ******************************************************************************/
+#define MC_STREAM_ID_MAX			0x7FU
+
+#define mc_make_sec_cfg(off, ns, ovrrd, access) \
+	{ \
+		.name = # off, \
+		.offset = MC_STREAMID_OVERRIDE_TO_SECURITY_CFG( \
+				MC_STREAMID_OVERRIDE_CFG_ ## off), \
+		.override_client_ns_flag = CLIENT_FLAG_ ## ns, \
+		.override_client_inputs = CLIENT_INPUTS_ ## ovrrd, \
+		.override_enable = OVERRIDE_ ## access \
+	}
+
+#define mc_make_sid_override_cfg(name) \
+	{ \
+		.reg = TEGRA_MC_STREAMID_BASE + MC_STREAMID_OVERRIDE_CFG_ ## name, \
+		.val = 0x00000000U, \
+	}
+
+#define mc_make_sid_security_cfg(name) \
+	{ \
+		.reg = TEGRA_MC_STREAMID_BASE + MC_STREAMID_OVERRIDE_TO_SECURITY_CFG(MC_STREAMID_OVERRIDE_CFG_ ## name), \
+		.val = 0x00000000U, \
+	}
+
+#define mc_set_pcfifo_unordered_boot_so_mss(id, client) \
+	((uint32_t)~MC_PCFIFO_CLIENT_CONFIG##id##_PCFIFO_##client##_MASK | \
+	 MC_PCFIFO_CLIENT_CONFIG##id##_PCFIFO_##client##_UNORDERED)
+
+#define mc_set_pcfifo_ordered_boot_so_mss(id, client) \
+	 MC_PCFIFO_CLIENT_CONFIG##id##_PCFIFO_##client##_ORDERED
+
+#define mc_set_tsa_passthrough(client) \
+	do { \
+		mmio_write_32(TEGRA_TSA_BASE + TSA_CONFIG_STATIC0_CSW_##client, \
+			(TSA_CONFIG_STATIC0_CSW_##client##_RESET & \
+			 (uint32_t)~TSA_CONFIG_CSW_MEMTYPE_OVERRIDE_MASK) | \
+			(uint32_t)TSA_CONFIG_CSW_MEMTYPE_OVERRIDE_PASTHRU); \
+	} while (0)
+
+#define mc_set_tsa_w_passthrough(client) \
+	do { \
+		mmio_write_32(TEGRA_TSA_BASE + TSA_CONFIG_STATIC0_CSW_##client, \
+			(TSA_CONFIG_STATIC0_CSW_RESET_W & \
+			 (uint32_t)~TSA_CONFIG_CSW_MEMTYPE_OVERRIDE_MASK) | \
+			(uint32_t)TSA_CONFIG_CSW_MEMTYPE_OVERRIDE_PASTHRU); \
+	} while (0)
+
+#define mc_set_tsa_r_passthrough(client) \
+	{ \
+		mmio_write_32(TEGRA_TSA_BASE + TSA_CONFIG_STATIC0_CSR_##client, \
+			(TSA_CONFIG_STATIC0_CSR_RESET_R & \
+			 (uint32_t)~TSA_CONFIG_CSW_MEMTYPE_OVERRIDE_MASK) | \
+			(uint32_t)TSA_CONFIG_CSW_MEMTYPE_OVERRIDE_PASTHRU); \
+	} while (0)
+
+#define mc_set_txn_override(client, normal_axi_id, so_dev_axi_id, normal_override, so_dev_override) \
+	do { \
+		tegra_mc_write_32(MC_TXN_OVERRIDE_CONFIG_##client, \
+				  MC_TXN_OVERRIDE_##normal_axi_id | \
+				  MC_TXN_OVERRIDE_CONFIG_COH_PATH_##so_dev_override##_SO_DEV | \
+				  MC_TXN_OVERRIDE_CONFIG_COH_PATH_##normal_override##_NORMAL | \
+				  MC_TXN_OVERRIDE_CONFIG_CGID_##so_dev_axi_id); \
+	} while (0)
+
+#endif /* __ASSEMBLER__ */
+
+#endif /* TEGRA_MC_DEF_H */
diff --git a/plat/nvidia/tegra/include/t194/tegra194_private.h b/plat/nvidia/tegra/include/t194/tegra194_private.h
new file mode 100644
index 0000000..c5a51e9
--- /dev/null
+++ b/plat/nvidia/tegra/include/t194/tegra194_private.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef TEGRA194_PRIVATE_H
+#define TEGRA194_PRIVATE_H
+
+void tegra194_cpu_reset_handler(void);
+uint64_t tegra194_get_cpu_reset_handler_base(void);
+uint64_t tegra194_get_cpu_reset_handler_size(void);
+uint64_t tegra194_get_mc_ctx_offset(void);
+void tegra194_set_system_suspend_entry(void);
+
+#endif /* TEGRA194_PRIVATE_H */
diff --git a/plat/nvidia/tegra/include/t194/tegra194_ras_private.h b/plat/nvidia/tegra/include/t194/tegra194_ras_private.h
new file mode 100644
index 0000000..336461a
--- /dev/null
+++ b/plat/nvidia/tegra/include/t194/tegra194_ras_private.h
@@ -0,0 +1,263 @@
+/*
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef TEGRA194_RAS_PRIVATE
+#define TEGRA194_RAS_PRIVATE
+
+#include <stdint.h>
+
+/* Implementation defined RAS error and corresponding error message */
+struct ras_error {
+	const char *error_msg;
+	/* IERR(bits[15:8]) from ERR<n>STATUS */
+	uint8_t error_code;
+};
+
+/* RAS error node-specific auxiliary data */
+struct ras_aux_data {
+	/* name for current RAS node. */
+	const char *name;
+	/* point to null-terminated ras_error array to convert error code to msg. */
+	const struct ras_error *error_records;
+	/*
+	 * function to return an value which needs to be programmed into ERXCTLR_EL1
+	 * to enable all specified RAS errors for current node.
+	 */
+	uint64_t (*err_ctrl)(void);
+};
+
+/* IFU Uncorrectable RAS ERROR */
+#define IFU_UNCORR_RAS_ERROR_LIST(X)
+
+/* JSR_RET Uncorrectable RAS ERROR */
+#define JSR_RET_UNCORR_RAS_ERROR_LIST(X)					\
+	/* Name, ERR_CTRL, IERR, ISA Desc */					\
+	X(JSR_RET, 35, 0x13, "Floating Point Register File Parity Error")	\
+	X(JSR_RET, 34, 0x12, "Integer Register File Parity Error")		\
+	X(JSR_RET, 33, 0x11, "Garbage Bundle")					\
+	X(JSR_RET, 32, 0x10, "Bundle Completion Timeout")
+
+/* JSR_MTS Uncorrectable RAS ERROR */
+#define JSR_MTS_UNCORR_RAS_ERROR_LIST(X)					\
+	/* Name, ERR_CTRL, IERR, ISA Desc */					\
+	X(JSR_MTS, 40, 0x28, "CoreSight Access Error")				\
+	X(JSR_MTS, 39, 0x27, "Dual Execution Uncorrectable Error")		\
+	X(JSR_MTS, 37, 0x25, "CTU MMIO Region")					\
+	X(JSR_MTS, 36, 0x24, "MTS MMCRAB Region Access")			\
+	X(JSR_MTS, 35, 0x23, "MTS_CARVEOUT Access from ARM SW")			\
+	X(JSR_MTS, 34, 0x22, "NAFLL PLL Failure to Lock")			\
+	X(JSR_MTS, 32, 0x20, "Internal Uncorrectable  MTS Error")
+
+/* LSD_STQ Uncorrectable RAS ERROR */
+#define LSD_STQ_UNCORR_RAS_ERROR_LIST(X)					\
+	/* Name, ERR_CTRL, IERR, ISA Desc */					\
+	X(LSD_STQ, 41, 0x39, "Coherent Cache Data Store Multi-Line ECC Error")	\
+	X(LSD_STQ, 40, 0x38, "Coherent Cache Data Store Uncorrectable ECC Error") \
+	X(LSD_STQ, 38, 0x36, "Coherent Cache Data Load Uncorrectable ECC Error") \
+	X(LSD_STQ, 33, 0x31, "Coherent Cache Tag Store Parity Error")		\
+	X(LSD_STQ, 32, 0x30, "Coherent Cache Tag Load Parity Error")
+
+/* LSD_DCC Uncorrectable RAS ERROR */
+#define LSD_DCC_UNCORR_RAS_ERROR_LIST(X)					\
+	/* Name, ERR_CTRL, IERR, ISA Desc */					\
+	X(LSD_DCC, 41, 0x49, "BTU Copy Mini-Cache PPN Multi-Hit Error")		\
+	X(LSD_DCC, 39, 0x47, "Coherent Cache Data Uncorrectable ECC Error")	\
+	X(LSD_DCC, 37, 0x45, "Version Cache Byte-Enable Parity Error")		\
+	X(LSD_DCC, 36, 0x44, "Version Cache Data Uncorrectable ECC Error")	\
+	X(LSD_DCC, 33, 0x41, "BTU Copy Coherent Cache PPN Parity Error")	\
+	X(LSD_DCC, 32, 0x40, "BTU Copy Coherent Cache VPN Parity Error")
+
+/* LSD_L1HPF Uncorrectable RAS ERROR */
+#define LSD_L1HPF_UNCORR_RAS_ERROR_LIST(X)
+
+/* L2 Uncorrectable RAS ERROR */
+#define L2_UNCORR_RAS_ERROR_LIST(X)						\
+	/* Name, ERR_CTRL, IERR, ISA Desc */					\
+	X(L2, 56, 0x68, "URT Timeout")						\
+	X(L2, 55, 0x67, "L2 Protocol Violation")				\
+	X(L2, 54, 0x66, "SCF to L2 Slave Error Read")				\
+	X(L2, 53, 0x65, "SCF to L2 Slave Error Write")				\
+	X(L2, 52, 0x64, "SCF to L2 Decode Error Read")				\
+	X(L2, 51, 0x63, "SCF to L2 Decode Error Write")				\
+	X(L2, 50, 0x62, "SCF to L2 Request Response Interface Parity Errors")	\
+	X(L2, 49, 0x61, "SCF to L2 Advance notice interface parity errors")	\
+	X(L2, 48, 0x60, "SCF to L2 Filldata Parity Errors")			\
+	X(L2, 47, 0x5F, "SCF to L2 UnCorrectable ECC Data Error on interface")	\
+	X(L2, 45, 0x5D, "Core 1 to L2 Parity Error")				\
+	X(L2, 44, 0x5C, "Core 0 to L2 Parity Error")				\
+	X(L2, 43, 0x5B, "L2 Multi-Hit")						\
+	X(L2, 42, 0x5A, "L2 URT Tag Parity Error")				\
+	X(L2, 41, 0x59, "L2 NTT Tag Parity Error")				\
+	X(L2, 40, 0x58, "L2 MLT Tag Parity Error")				\
+	X(L2, 39, 0x57, "L2 URD Data")						\
+	X(L2, 38, 0x56, "L2 NTP Data")						\
+	X(L2, 36, 0x54, "L2 MLC Uncorrectable Clean")				\
+	X(L2, 35, 0x53, "L2 URD Uncorrectable Dirty")				\
+	X(L2, 34, 0x52, "L2 MLC Uncorrectable Dirty")
+
+/* CLUSTER_CLOCKS Uncorrectable RAS ERROR */
+#define CLUSTER_CLOCKS_UNCORR_RAS_ERROR_LIST(X)					\
+	/* Name, ERR_CTRL, IERR, ISA Desc */					\
+	X(CLUSTER_CLOCKS, 32, 0xE4, "Frequency Monitor Error")
+
+/* MMU Uncorrectable RAS ERROR */
+#define MMU_UNCORR_RAS_ERROR_LIST(X)
+
+/* L3 Uncorrectable RAS ERROR */
+#define L3_UNCORR_RAS_ERROR_LIST(X)						\
+	/* Name, ERR_CTRL, IERR, ISA Desc */					\
+	X(L3, 43, 0x7B, "SNOC Interface Parity Error")				\
+	X(L3, 42, 0x7A, "MCF Interface Parity Error")				\
+	X(L3, 41, 0x79, "L3 Tag Parity Error")					\
+	X(L3, 40, 0x78, "L3 Dir Parity Error")					\
+	X(L3, 39, 0x77, "L3 Uncorrectable ECC Error")				\
+	X(L3, 37, 0x75, "Multi-Hit CAM Error")					\
+	X(L3, 36, 0x74, "Multi-Hit Tag Error")					\
+	X(L3, 35, 0x73, "Unrecognized Command Error")				\
+	X(L3, 34, 0x72, "L3 Protocol Error")
+
+/* CCPMU Uncorrectable RAS ERROR */
+#define CCPMU_UNCORR_RAS_ERROR_LIST(X)						\
+	/* Name, ERR_CTRL, IERR, ISA Desc */					\
+	X(CCPMU, 40, 0x87, "CoreSight Access Error")				\
+	X(CCPMU, 36, 0x84, "MCE Ucode Error")					\
+	X(CCPMU, 35, 0x83, "MCE IL1 Parity Error")				\
+	X(CCPMU, 34, 0x82, "MCE Timeout Error")					\
+	X(CCPMU, 33, 0x81, "CRAB Access Error")					\
+	X(CCPMU, 32, 0x80, "MCE Memory Access Error")
+
+/* SCF_IOB Uncorrectable RAS ERROR */
+#define SCF_IOB_UNCORR_RAS_ERROR_LIST(X)					\
+	/* Name, ERR_CTRL, IERR, ISA Desc */					\
+	X(SCF_IOB, 41, 0x99, "Request parity error")				\
+	X(SCF_IOB, 40, 0x98, "Putdata parity error")				\
+	X(SCF_IOB, 39, 0x97, "Uncorrectable ECC on Putdata")			\
+	X(SCF_IOB, 38, 0x96, "CBB Interface Error")				\
+	X(SCF_IOB, 37, 0x95, "MMCRAB Error")					\
+	X(SCF_IOB, 36, 0x94, "IHI Interface Error")				\
+	X(SCF_IOB, 35, 0x93, "CRI Error")					\
+	X(SCF_IOB, 34, 0x92, "TBX Interface Error")				\
+	X(SCF_IOB, 33, 0x91, "EVP Interface Error")
+
+/* SCF_SNOC Uncorrectable RAS ERROR */
+#define SCF_SNOC_UNCORR_RAS_ERROR_LIST(X)					\
+	/* Name, ERR_CTRL, IERR, ISA Desc */					\
+	X(SCF_SNOC, 42, 0xAA, "Misc Client Parity Error")			\
+	X(SCF_SNOC, 41, 0xA9, "Misc Filldata Parity Error")			\
+	X(SCF_SNOC, 40, 0xA8, "Uncorrectable ECC Misc Client")			\
+	X(SCF_SNOC, 39, 0xA7, "DVMU Interface Parity Error")			\
+	X(SCF_SNOC, 38, 0xA6, "DVMU Interface Timeout Error")			\
+	X(SCF_SNOC, 37, 0xA5, "CPE Request Error")				\
+	X(SCF_SNOC, 36, 0xA4, "CPE Response Error")				\
+	X(SCF_SNOC, 35, 0xA3, "CPE Timeout Error")				\
+	X(SCF_SNOC, 34, 0xA2, "Uncorrectable Carveout Error")
+
+/* SCF_CTU Uncorrectable RAS ERROR */
+#define SCF_CTU_UNCORR_RAS_ERROR_LIST(X)					\
+	/* Name, ERR_CTRL, IERR, ISA Desc */					\
+	X(SCF_CTU, 39, 0xB7, "Timeout error for TRC_DMA request")		\
+	X(SCF_CTU, 38, 0xB6, "Timeout error for CTU Snp")			\
+	X(SCF_CTU, 37, 0xB5, "Parity error in CTU TAG RAM")			\
+	X(SCF_CTU, 36, 0xB3, "Parity error in CTU DATA RAM")			\
+	X(SCF_CTU, 35, 0xB4, "Parity error for Cluster Rsp")			\
+	X(SCF_CTU, 34, 0xB2, "Parity error for TRL requests from 9 agents")	\
+	X(SCF_CTU, 33, 0xB1, "Parity error for MCF request")			\
+	X(SCF_CTU, 32, 0xB0, "TRC DMA fillsnoop parity error")
+
+/* CMU_CLOCKS Uncorrectable RAS ERROR */
+#define CMU_CLOCKS_UNCORR_RAS_ERROR_LIST(X)					\
+	/* Name, ERR_CTRL, IERR, ISA Desc */					\
+	X(CMU_CLOCKS, 39, 0xC7, "Cluster 3 frequency monitor error")		\
+	X(CMU_CLOCKS, 38, 0xC6, "Cluster 2 frequency monitor error")		\
+	X(CMU_CLOCKS, 37, 0xC5, "Cluster 1 frequency monitor error")		\
+	X(CMU_CLOCKS, 36, 0xC3, "Cluster 0 frequency monitor error")		\
+	X(CMU_CLOCKS, 35, 0xC4, "Voltage error on ADC1 Monitored Logic")	\
+	X(CMU_CLOCKS, 34, 0xC2, "Voltage error on ADC0 Monitored Logic")	\
+	X(CMU_CLOCKS, 33, 0xC1, "Lookup Table 1 Parity Error")			\
+	X(CMU_CLOCKS, 32, 0xC0, "Lookup Table 0 Parity Error")
+
+/*
+ * Define one ras_error entry.
+ *
+ * This macro wille be used to to generate ras_error records for each node
+ * defined by <NODE_NAME>_UNCORR_RAS_ERROR_LIST macro.
+ */
+#define DEFINE_ONE_RAS_ERROR_MSG(unit, ras_bit, ierr, msg)			\
+	{									\
+		.error_msg = (msg),						\
+		.error_code = (ierr)						\
+	},
+
+/*
+ * Set one implementation defined bit in ERR<n>CTLR
+ *
+ * This macro will be used to collect all defined ERR_CTRL bits for each node
+ * defined by <NODE_NAME>_UNCORR_RAS_ERROR_LIST macro.
+ */
+#define DEFINE_ENABLE_RAS_BIT(unit, ras_bit, ierr, msg)				\
+	do {									\
+		val |= (1ULL << ras_bit##U);					\
+	} while (0);
+
+/* Represent one RAS node with 0 or more error bits (ERR_CTLR) enabled */
+#define DEFINE_ONE_RAS_NODE(node)						\
+static const struct ras_error node##_uncorr_ras_errors[] = {			\
+	node##_UNCORR_RAS_ERROR_LIST(DEFINE_ONE_RAS_ERROR_MSG)			\
+	{									\
+		NULL,								\
+		0U								\
+	},									\
+};										\
+static inline uint64_t node##_err_ctrl(void)					\
+{										\
+	uint64_t val = 0ULL;							\
+	node##_UNCORR_RAS_ERROR_LIST(DEFINE_ENABLE_RAS_BIT)			\
+	return val;								\
+}
+
+#define DEFINE_ONE_RAS_AUX_DATA(node)						\
+	{									\
+		.name = #node,							\
+		.error_records = node##_uncorr_ras_errors,			\
+		.err_ctrl = &node##_err_ctrl					\
+	},
+
+#define PER_CORE_RAS_NODE_LIST(X)						\
+	X(IFU)									\
+	X(JSR_RET)								\
+	X(JSR_MTS)								\
+	X(LSD_STQ)								\
+	X(LSD_DCC)								\
+	X(LSD_L1HPF)
+
+#define PER_CORE_RAS_GROUP_NODES	PER_CORE_RAS_NODE_LIST(DEFINE_ONE_RAS_AUX_DATA)
+
+#define PER_CLUSTER_RAS_NODE_LIST(X)						\
+	X(L2)									\
+	X(CLUSTER_CLOCKS)							\
+	X(MMU)
+
+#define PER_CLUSTER_RAS_GROUP_NODES	PER_CLUSTER_RAS_NODE_LIST(DEFINE_ONE_RAS_AUX_DATA)
+
+#define SCF_L3_BANK_RAS_NODE_LIST(X)	X(L3)
+
+/* we have 4 SCF_L3 nodes:3*256 + L3_Bank_ID(0-3) */
+#define SCF_L3_BANK_RAS_GROUP_NODES						\
+	SCF_L3_BANK_RAS_NODE_LIST(DEFINE_ONE_RAS_AUX_DATA)			\
+	SCF_L3_BANK_RAS_NODE_LIST(DEFINE_ONE_RAS_AUX_DATA)			\
+	SCF_L3_BANK_RAS_NODE_LIST(DEFINE_ONE_RAS_AUX_DATA)			\
+	SCF_L3_BANK_RAS_NODE_LIST(DEFINE_ONE_RAS_AUX_DATA)
+
+#define CCPLEX_RAS_NODE_LIST(X)							\
+	X(CCPMU)								\
+	X(SCF_IOB)								\
+	X(SCF_SNOC)								\
+	X(SCF_CTU)								\
+	X(CMU_CLOCKS)
+
+#define CCPLEX_RAS_GROUP_NODES		CCPLEX_RAS_NODE_LIST(DEFINE_ONE_RAS_AUX_DATA)
+
+#endif /* TEGRA194_RAS_PRIVATE */
diff --git a/plat/nvidia/tegra/include/t194/tegra_def.h b/plat/nvidia/tegra/include/t194/tegra_def.h
new file mode 100644
index 0000000..abe193f
--- /dev/null
+++ b/plat/nvidia/tegra/include/t194/tegra_def.h
@@ -0,0 +1,326 @@
+/*
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef TEGRA_DEF_H
+#define TEGRA_DEF_H
+
+#include <lib/utils_def.h>
+
+/*******************************************************************************
+ * Platform BL31 specific defines.
+ ******************************************************************************/
+#define BL31_SIZE			U(0x40000)
+
+/*******************************************************************************
+ * Chip specific cluster and cpu numbers
+ ******************************************************************************/
+#define PLATFORM_CLUSTER_COUNT		U(4)
+#define PLATFORM_MAX_CPUS_PER_CLUSTER	U(2)
+
+/*******************************************************************************
+ * Chip specific page table and MMU setup constants
+ ******************************************************************************/
+#define PLAT_PHY_ADDR_SPACE_SIZE	(ULL(1) << 40)
+#define PLAT_VIRT_ADDR_SPACE_SIZE	(ULL(1) << 40)
+
+/*******************************************************************************
+ * These values are used by the PSCI implementation during the `CPU_SUSPEND`
+ * and `SYSTEM_SUSPEND` calls as the `state-id` field in the 'power state'
+ * parameter.
+ ******************************************************************************/
+#define PSTATE_ID_CORE_IDLE		U(6)
+#define PSTATE_ID_CORE_POWERDN		U(7)
+#define PSTATE_ID_SOC_POWERDN		U(2)
+
+/*******************************************************************************
+ * Platform power states (used by PSCI framework)
+ *
+ * - PLAT_MAX_RET_STATE should be less than lowest PSTATE_ID
+ * - PLAT_MAX_OFF_STATE should be greater than the highest PSTATE_ID
+ ******************************************************************************/
+#define PLAT_MAX_RET_STATE		U(1)
+#define PLAT_MAX_OFF_STATE		U(8)
+
+/*******************************************************************************
+ * Secure IRQ definitions
+ ******************************************************************************/
+#define TEGRA194_MAX_SEC_IRQS		U(2)
+#define TEGRA194_TOP_WDT_IRQ		U(49)
+#define TEGRA194_AON_WDT_IRQ		U(50)
+
+#define TEGRA194_SEC_IRQ_TARGET_MASK	U(0xFF) /* 8 Carmel */
+
+/*******************************************************************************
+ * Clock identifier for the SE device
+ ******************************************************************************/
+#define TEGRA194_CLK_SE			U(124)
+#define TEGRA_CLK_SE			TEGRA194_CLK_SE
+
+/*******************************************************************************
+ * Tegra Miscellanous register constants
+ ******************************************************************************/
+#define TEGRA_MISC_BASE			U(0x00100000)
+
+#define HARDWARE_REVISION_OFFSET	U(0x4)
+#define MISCREG_EMU_REVID		U(0x3160)
+#define  BOARD_MASK_BITS		U(0xFF)
+#define  BOARD_SHIFT_BITS		U(24)
+#define MISCREG_PFCFG			U(0x200C)
+
+/*******************************************************************************
+ * Tegra General Purpose Centralised DMA constants
+ ******************************************************************************/
+#define TEGRA_GPCDMA_BASE		U(0x02610000)
+
+/*******************************************************************************
+ * Tegra Memory Controller constants
+ ******************************************************************************/
+#define TEGRA_MC_STREAMID_BASE		U(0x02C00000)
+#define TEGRA_MC_BASE			U(0x02C10000)
+
+/* General Security Carveout register macros */
+#define MC_GSC_CONFIG_REGS_SIZE		U(0x40)
+#define MC_GSC_LOCK_CFG_SETTINGS_BIT	(U(1) << 1)
+#define MC_GSC_ENABLE_TZ_LOCK_BIT	(U(1) << 0)
+#define MC_GSC_SIZE_RANGE_4KB_SHIFT	U(27)
+#define MC_GSC_BASE_LO_SHIFT		U(12)
+#define MC_GSC_BASE_LO_MASK		U(0xFFFFF)
+#define MC_GSC_BASE_HI_SHIFT		U(0)
+#define MC_GSC_BASE_HI_MASK		U(3)
+#define MC_GSC_ENABLE_CPU_SECURE_BIT    (U(1) << 31)
+
+/* TZDRAM carveout configuration registers */
+#define MC_SECURITY_CFG0_0		U(0x70)
+#define MC_SECURITY_CFG1_0		U(0x74)
+#define MC_SECURITY_CFG3_0		U(0x9BC)
+
+#define MC_SECURITY_BOM_MASK		(U(0xFFF) << 20)
+#define MC_SECURITY_SIZE_MB_MASK	(U(0x1FFF) << 0)
+#define MC_SECURITY_BOM_HI_MASK		(U(0x3) << 0)
+
+#define MC_SECURITY_CFG_REG_CTRL_0	U(0x154)
+#define  SECURITY_CFG_WRITE_ACCESS_BIT	(U(0x1) << 0)
+#define  SECURITY_CFG_WRITE_ACCESS_ENABLE	U(0x0)
+#define  SECURITY_CFG_WRITE_ACCESS_DISABLE	U(0x1)
+
+/* Video Memory carveout configuration registers */
+#define MC_VIDEO_PROTECT_BASE_HI	U(0x978)
+#define MC_VIDEO_PROTECT_BASE_LO	U(0x648)
+#define MC_VIDEO_PROTECT_SIZE_MB	U(0x64c)
+#define MC_VIDEO_PROTECT_REG_CTRL	U(0x650)
+#define MC_VIDEO_PROTECT_WRITE_ACCESS_ENABLED	U(3)
+
+/*
+ * Carveout (MC_SECURITY_CARVEOUT24) registers used to clear the
+ * non-overlapping Video memory region
+ */
+#define MC_VIDEO_PROTECT_CLEAR_CFG	U(0x25A0)
+#define MC_VIDEO_PROTECT_CLEAR_BASE_LO	U(0x25A4)
+#define MC_VIDEO_PROTECT_CLEAR_BASE_HI	U(0x25A8)
+#define MC_VIDEO_PROTECT_CLEAR_SIZE	U(0x25AC)
+#define MC_VIDEO_PROTECT_CLEAR_ACCESS_CFG0	U(0x25B0)
+
+/* TZRAM carveout (MC_SECURITY_CARVEOUT11) configuration registers */
+#define MC_TZRAM_CARVEOUT_CFG		U(0x2190)
+#define MC_TZRAM_BASE_LO		U(0x2194)
+#define MC_TZRAM_BASE_HI		U(0x2198)
+#define MC_TZRAM_SIZE			U(0x219C)
+#define MC_TZRAM_CLIENT_ACCESS0_CFG0	U(0x21A0)
+#define MC_TZRAM_CLIENT_ACCESS1_CFG0	U(0x21A4)
+#define  TZRAM_ALLOW_MPCORER		(U(1) << 7)
+#define  TZRAM_ALLOW_MPCOREW		(U(1) << 25)
+
+/* Memory Controller Reset Control registers */
+#define  MC_CLIENT_HOTRESET_CTRL1_DLAA_FLUSH_ENB	(U(1) << 28)
+#define  MC_CLIENT_HOTRESET_CTRL1_DLA1A_FLUSH_ENB	(U(1) << 29)
+#define  MC_CLIENT_HOTRESET_CTRL1_PVA0A_FLUSH_ENB	(U(1) << 30)
+#define  MC_CLIENT_HOTRESET_CTRL1_PVA1A_FLUSH_ENB	(U(1) << 31)
+
+/*******************************************************************************
+ * Tegra UART Controller constants
+ ******************************************************************************/
+#define TEGRA_UARTA_BASE		U(0x03100000)
+#define TEGRA_UARTB_BASE		U(0x03110000)
+#define TEGRA_UARTC_BASE		U(0x0C280000)
+#define TEGRA_UARTD_BASE		U(0x03130000)
+#define TEGRA_UARTE_BASE		U(0x03140000)
+#define TEGRA_UARTF_BASE		U(0x03150000)
+#define TEGRA_UARTG_BASE		U(0x0C290000)
+
+/*******************************************************************************
+ * XUSB PADCTL
+ ******************************************************************************/
+#define TEGRA_XUSB_PADCTL_BASE			U(0x03520000)
+#define TEGRA_XUSB_PADCTL_SIZE			U(0x10000)
+#define XUSB_PADCTL_HOST_AXI_STREAMID_PF_0	U(0x136c)
+#define XUSB_PADCTL_HOST_AXI_STREAMID_VF_0	U(0x1370)
+#define XUSB_PADCTL_HOST_AXI_STREAMID_VF_1	U(0x1374)
+#define XUSB_PADCTL_HOST_AXI_STREAMID_VF_2	U(0x1378)
+#define XUSB_PADCTL_HOST_AXI_STREAMID_VF_3	U(0x137c)
+#define XUSB_PADCTL_DEV_AXI_STREAMID_PF_0	U(0x139c)
+
+/*******************************************************************************
+ * Tegra Fuse Controller related constants
+ ******************************************************************************/
+#define TEGRA_FUSE_BASE			U(0x03820000)
+#define  OPT_SUBREVISION		U(0x248)
+#define  SUBREVISION_MASK		U(0xF)
+
+/*******************************************************************************
+ * GICv2 & interrupt handling related constants
+ ******************************************************************************/
+#define TEGRA_GICD_BASE			U(0x03881000)
+#define TEGRA_GICC_BASE			U(0x03882000)
+
+/*******************************************************************************
+ * Security Engine related constants
+ ******************************************************************************/
+#define TEGRA_SE0_BASE			U(0x03AC0000)
+#define  SE0_MUTEX_WATCHDOG_NS_LIMIT	U(0x6C)
+#define  SE0_AES0_ENTROPY_SRC_AGE_CTRL	U(0x2FC)
+#define TEGRA_PKA1_BASE			U(0x03AD0000)
+#define  SE_PKA1_CTRL_SE_MUTEX_TMOUT_DFTVAL U(0x144)
+#define  PKA1_MUTEX_WATCHDOG_NS_LIMIT	SE_PKA1_CTRL_SE_MUTEX_TMOUT_DFTVAL
+#define TEGRA_RNG1_BASE			U(0x03AE0000)
+#define  RNG1_MUTEX_WATCHDOG_NS_LIMIT	U(0xFE0)
+
+/*******************************************************************************
+ * Tegra HSP doorbell #0 constants
+ ******************************************************************************/
+#define TEGRA_HSP_DBELL_BASE		U(0x03C90000)
+#define  HSP_DBELL_1_ENABLE		U(0x104)
+#define  HSP_DBELL_3_TRIGGER		U(0x300)
+#define  HSP_DBELL_3_ENABLE		U(0x304)
+
+/*******************************************************************************
+ * Tegra hardware synchronization primitives for the SPE engine
+ ******************************************************************************/
+#define TEGRA_AON_HSP_SM_6_7_BASE	U(0x0c190000)
+#define TEGRA_CONSOLE_SPE_BASE		(TEGRA_AON_HSP_SM_6_7_BASE + U(0x8000))
+
+/*******************************************************************************
+ * Tegra micro-seconds timer constants
+ ******************************************************************************/
+#define TEGRA_TMRUS_BASE		U(0x0C2E0000)
+#define TEGRA_TMRUS_SIZE		U(0x10000)
+
+/*******************************************************************************
+ * Tegra Power Mgmt Controller constants
+ ******************************************************************************/
+#define TEGRA_PMC_BASE			U(0x0C360000)
+
+/*******************************************************************************
+ * Tegra scratch registers constants
+ ******************************************************************************/
+#define TEGRA_SCRATCH_BASE		U(0x0C390000)
+#define  SECURE_SCRATCH_RSV68_LO	U(0x284)
+#define  SECURE_SCRATCH_RSV68_HI	U(0x288)
+#define  SECURE_SCRATCH_RSV69_LO	U(0x28C)
+#define  SECURE_SCRATCH_RSV69_HI	U(0x290)
+#define  SECURE_SCRATCH_RSV70_LO	U(0x294)
+#define  SECURE_SCRATCH_RSV70_HI	U(0x298)
+#define  SECURE_SCRATCH_RSV71_LO	U(0x29C)
+#define  SECURE_SCRATCH_RSV71_HI	U(0x2A0)
+#define  SECURE_SCRATCH_RSV72_LO	U(0x2A4)
+#define  SECURE_SCRATCH_RSV72_HI	U(0x2A8)
+#define  SECURE_SCRATCH_RSV75   	U(0x2BC)
+#define  SECURE_SCRATCH_RSV81_LO	U(0x2EC)
+#define  SECURE_SCRATCH_RSV81_HI	U(0x2F0)
+#define  SECURE_SCRATCH_RSV97		U(0x36C)
+#define  SECURE_SCRATCH_RSV99_LO	U(0x37C)
+#define  SECURE_SCRATCH_RSV99_HI	U(0x380)
+#define  SECURE_SCRATCH_RSV109_LO	U(0x3CC)
+#define  SECURE_SCRATCH_RSV109_HI	U(0x3D0)
+
+#define SCRATCH_BL31_PARAMS_HI_ADDR	SECURE_SCRATCH_RSV75
+#define  SCRATCH_BL31_PARAMS_HI_ADDR_MASK  U(0xFFFF)
+#define  SCRATCH_BL31_PARAMS_HI_ADDR_SHIFT U(0)
+#define SCRATCH_BL31_PARAMS_LO_ADDR	SECURE_SCRATCH_RSV81_LO
+#define SCRATCH_BL31_PLAT_PARAMS_HI_ADDR SECURE_SCRATCH_RSV75
+#define  SCRATCH_BL31_PLAT_PARAMS_HI_ADDR_MASK  U(0xFFFF0000)
+#define  SCRATCH_BL31_PLAT_PARAMS_HI_ADDR_SHIFT U(16)
+#define SCRATCH_BL31_PLAT_PARAMS_LO_ADDR SECURE_SCRATCH_RSV81_HI
+#define SCRATCH_SECURE_BOOTP_FCFG	SECURE_SCRATCH_RSV97
+#define SCRATCH_MC_TABLE_ADDR_LO	SECURE_SCRATCH_RSV99_LO
+#define SCRATCH_MC_TABLE_ADDR_HI	SECURE_SCRATCH_RSV99_HI
+#define SCRATCH_RESET_VECTOR_LO		SECURE_SCRATCH_RSV109_LO
+#define SCRATCH_RESET_VECTOR_HI		SECURE_SCRATCH_RSV109_HI
+
+/*******************************************************************************
+ * Tegra Memory Mapped Control Register Access Bus constants
+ ******************************************************************************/
+#define TEGRA_MMCRAB_BASE		U(0x0E000000)
+
+/*******************************************************************************
+ * Tegra SMMU Controller constants
+ ******************************************************************************/
+#define TEGRA_SMMU0_BASE		U(0x12000000)
+#define TEGRA_SMMU1_BASE		U(0x11000000)
+#define TEGRA_SMMU2_BASE		U(0x10000000)
+
+/*******************************************************************************
+ * Tegra TZRAM constants
+ ******************************************************************************/
+#define TEGRA_TZRAM_BASE		U(0x40000000)
+#define TEGRA_TZRAM_SIZE		U(0x40000)
+
+/*******************************************************************************
+ * Tegra CCPLEX-BPMP IPC constants
+ ******************************************************************************/
+#define TEGRA_BPMP_IPC_TX_PHYS_BASE	U(0x4004C000)
+#define TEGRA_BPMP_IPC_RX_PHYS_BASE	U(0x4004D000)
+#define TEGRA_BPMP_IPC_CH_MAP_SIZE	U(0x1000) /* 4KB */
+
+/*******************************************************************************
+ * Tegra Clock and Reset Controller constants
+ ******************************************************************************/
+#define TEGRA_CAR_RESET_BASE		U(0x20000000)
+#define TEGRA_GPU_RESET_REG_OFFSET	U(0x18)
+#define TEGRA_GPU_RESET_GPU_SET_OFFSET  U(0x1C)
+#define  GPU_RESET_BIT			(U(1) << 0)
+#define  GPU_SET_BIT			(U(1) << 0)
+#define TEGRA_GPCDMA_RST_SET_REG_OFFSET	U(0x6A0004)
+#define TEGRA_GPCDMA_RST_CLR_REG_OFFSET	U(0x6A0008)
+
+/*******************************************************************************
+ * Tegra DRAM memory base address
+ ******************************************************************************/
+#define TEGRA_DRAM_BASE			ULL(0x80000000)
+#define TEGRA_DRAM_END			ULL(0xFFFFFFFFF)
+
+/*******************************************************************************
+ * XUSB STREAMIDs
+ ******************************************************************************/
+#define TEGRA_SID_XUSB_HOST			U(0x1b)
+#define TEGRA_SID_XUSB_DEV			U(0x1c)
+#define TEGRA_SID_XUSB_VF0			U(0x5d)
+#define TEGRA_SID_XUSB_VF1			U(0x5e)
+#define TEGRA_SID_XUSB_VF2			U(0x5f)
+#define TEGRA_SID_XUSB_VF3			U(0x60)
+
+/*******************************************************************************
+ * SCR addresses and expected settings
+ ******************************************************************************/
+#define SCRATCH_RSV68_SCR			U(0x0C398110)
+#define SCRATCH_RSV68_SCR_VAL			U(0x38000101)
+#define SCRATCH_RSV71_SCR			U(0x0C39811C)
+#define SCRATCH_RSV71_SCR_VAL			U(0x38000101)
+#define SCRATCH_RSV72_SCR			U(0x0C398120)
+#define SCRATCH_RSV72_SCR_VAL			U(0x38000101)
+#define SCRATCH_RSV75_SCR			U(0x0C39812C)
+#define SCRATCH_RSV75_SCR_VAL			U(0x3A000005)
+#define SCRATCH_RSV81_SCR			U(0x0C398144)
+#define SCRATCH_RSV81_SCR_VAL			U(0x3A000105)
+#define SCRATCH_RSV97_SCR			U(0x0C398184)
+#define SCRATCH_RSV97_SCR_VAL			U(0x38000101)
+#define SCRATCH_RSV99_SCR			U(0x0C39818C)
+#define SCRATCH_RSV99_SCR_VAL			U(0x38000101)
+#define SCRATCH_RSV109_SCR			U(0x0C3981B4)
+#define SCRATCH_RSV109_SCR_VAL			U(0x38000101)
+#define MISCREG_SCR_SCRTZWELCK			U(0x00109000)
+#define MISCREG_SCR_SCRTZWELCK_VAL		U(0x30000100)
+
+#endif /* TEGRA_DEF_H */
diff --git a/plat/nvidia/tegra/include/t210/tegra_def.h b/plat/nvidia/tegra/include/t210/tegra_def.h
new file mode 100644
index 0000000..81b25e0
--- /dev/null
+++ b/plat/nvidia/tegra/include/t210/tegra_def.h
@@ -0,0 +1,293 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef TEGRA_DEF_H
+#define TEGRA_DEF_H
+
+#include <lib/utils_def.h>
+
+/*******************************************************************************
+ * Platform BL31 specific defines.
+ ******************************************************************************/
+#define BL31_SIZE			U(0x40000)
+
+/*******************************************************************************
+ * Power down state IDs
+ ******************************************************************************/
+#define PSTATE_ID_CORE_POWERDN		U(7)
+#define PSTATE_ID_CLUSTER_IDLE		U(16)
+#define PSTATE_ID_SOC_POWERDN		U(27)
+
+/*******************************************************************************
+ * This value is used by the PSCI implementation during the `SYSTEM_SUSPEND`
+ * call as the `state-id` field in the 'power state' parameter.
+ ******************************************************************************/
+#define PLAT_SYS_SUSPEND_STATE_ID	PSTATE_ID_SOC_POWERDN
+
+/*******************************************************************************
+ * Platform power states (used by PSCI framework)
+ *
+ * - PLAT_MAX_RET_STATE should be less than lowest PSTATE_ID
+ * - PLAT_MAX_OFF_STATE should be greater than the highest PSTATE_ID
+ ******************************************************************************/
+#define PLAT_MAX_RET_STATE		U(1)
+#define PLAT_MAX_OFF_STATE		(PSTATE_ID_SOC_POWERDN + U(1))
+
+/*******************************************************************************
+ * Chip specific page table and MMU setup constants
+ ******************************************************************************/
+#define PLAT_PHY_ADDR_SPACE_SIZE	(ULL(1) << 35)
+#define PLAT_VIRT_ADDR_SPACE_SIZE	(ULL(1) << 35)
+
+/*******************************************************************************
+ * SC7 entry firmware's header size
+ ******************************************************************************/
+#define SC7ENTRY_FW_HEADER_SIZE_BYTES	U(0x400)
+
+/*******************************************************************************
+ * Counter-timer physical secure timer PPI
+ ******************************************************************************/
+#define TEGRA210_TIMER1_IRQ		32
+
+/*******************************************************************************
+ * iRAM memory constants
+ ******************************************************************************/
+#define TEGRA_IRAM_BASE			U(0x40000000)
+#define TEGRA_IRAM_A_SIZE		U(0x10000) /* 64KB */
+#define TEGRA_IRAM_SIZE			U(40000) /* 256KB */
+
+/*******************************************************************************
+ * GIC memory map
+ ******************************************************************************/
+#define TEGRA_GICD_BASE			U(0x50041000)
+#define TEGRA_GICC_BASE			U(0x50042000)
+
+/*******************************************************************************
+ * Secure IRQ definitions
+ ******************************************************************************/
+#define TEGRA210_WDT_CPU_LEGACY_FIQ		U(28)
+
+/*******************************************************************************
+ * Tegra Memory Select Switch Controller constants
+ ******************************************************************************/
+#define TEGRA_MSELECT_BASE		U(0x50060000)
+
+#define MSELECT_CONFIG			U(0x0)
+#define ENABLE_WRAP_INCR_MASTER2_BIT	(U(1) << U(29))
+#define ENABLE_WRAP_INCR_MASTER1_BIT	(U(1) << U(28))
+#define ENABLE_WRAP_INCR_MASTER0_BIT	(U(1) << U(27))
+#define UNSUPPORTED_TX_ERR_MASTER2_BIT	(U(1) << U(25))
+#define UNSUPPORTED_TX_ERR_MASTER1_BIT	(U(1) << U(24))
+#define ENABLE_UNSUP_TX_ERRORS		(UNSUPPORTED_TX_ERR_MASTER2_BIT | \
+					 UNSUPPORTED_TX_ERR_MASTER1_BIT)
+#define ENABLE_WRAP_TO_INCR_BURSTS	(ENABLE_WRAP_INCR_MASTER2_BIT | \
+					 ENABLE_WRAP_INCR_MASTER1_BIT | \
+					 ENABLE_WRAP_INCR_MASTER0_BIT)
+
+/*******************************************************************************
+ * Tegra Resource Semaphore constants
+ ******************************************************************************/
+#define TEGRA_RES_SEMA_BASE		0x60001000UL
+#define  STA_OFFSET			0UL
+#define  SET_OFFSET			4UL
+#define  CLR_OFFSET			8UL
+
+/*******************************************************************************
+ * Tegra Primary Interrupt Controller constants
+ ******************************************************************************/
+#define TEGRA_PRI_ICTLR_BASE		0x60004000UL
+#define  CPU_IEP_FIR_SET		0x18UL
+
+/*******************************************************************************
+ * Tegra micro-seconds timer constants
+ ******************************************************************************/
+#define TEGRA_TMRUS_BASE		U(0x60005010)
+#define TEGRA_TMRUS_SIZE		U(0x1000)
+
+/*******************************************************************************
+ * Tegra Clock and Reset Controller constants
+ ******************************************************************************/
+#define TEGRA_CAR_RESET_BASE		U(0x60006000)
+#define TEGRA_BOND_OUT_H		U(0x74)
+#define  APB_DMA_LOCK_BIT		(U(1) << 2)
+#define  AHB_DMA_LOCK_BIT		(U(1) << 1)
+#define TEGRA_BOND_OUT_U		U(0x78)
+#define  IRAM_D_LOCK_BIT		(U(1) << 23)
+#define  IRAM_C_LOCK_BIT		(U(1) << 22)
+#define  IRAM_B_LOCK_BIT		(U(1) << 21)
+#define TEGRA_GPU_RESET_REG_OFFSET	U(0x28C)
+#define TEGRA_GPU_RESET_GPU_SET_OFFSET	U(0x290)
+#define  GPU_RESET_BIT			(U(1) << 24)
+#define  GPU_SET_BIT			(U(1) << 24)
+#define TEGRA_RST_DEV_SET_Y		U(0x2a8)
+#define  NVENC_RESET_BIT		(U(1) << 27)
+#define  TSECB_RESET_BIT		(U(1) << 14)
+#define  APE_RESET_BIT			(U(1) << 6)
+#define  NVJPG_RESET_BIT		(U(1) << 3)
+#define  NVDEC_RESET_BIT		(U(1) << 2)
+#define TEGRA_RST_DEV_SET_L		U(0x300)
+#define  HOST1X_RESET_BIT		(U(1) << 28)
+#define  ISP_RESET_BIT			(U(1) << 23)
+#define  USBD_RESET_BIT			(U(1) << 22)
+#define  VI_RESET_BIT			(U(1) << 20)
+#define  SDMMC4_RESET_BIT		(U(1) << 15)
+#define  SDMMC1_RESET_BIT		(U(1) << 14)
+#define  SDMMC2_RESET_BIT		(U(1) << 9)
+#define TEGRA_RST_DEV_SET_H		U(0x308)
+#define  USB2_RESET_BIT			(U(1) << 26)
+#define  APBDMA_RESET_BIT		(U(1) << 2)
+#define  AHBDMA_RESET_BIT		(U(1) << 1)
+#define TEGRA_RST_DEV_SET_U		U(0x310)
+#define  XUSB_DEV_RESET_BIT		(U(1) << 31)
+#define  XUSB_HOST_RESET_BIT		(U(1) << 25)
+#define  TSEC_RESET_BIT			(U(1) << 19)
+#define  PCIE_RESET_BIT			(U(1) << 6)
+#define  SDMMC3_RESET_BIT		(U(1) << 5)
+#define TEGRA_RST_DEVICES_V		U(0x358)
+#define TEGRA_RST_DEVICES_W		U(0x35C)
+#define  ENTROPY_CLK_ENB_BIT		(U(1) << 21)
+#define TEGRA_CLK_OUT_ENB_V		U(0x360)
+#define  SE_CLK_ENB_BIT			(U(1) << 31)
+#define TEGRA_CLK_OUT_ENB_W		U(0x364)
+#define  ENTROPY_RESET_BIT 		(U(1) << 21)
+#define TEGRA_CLK_RST_CTL_CLK_SRC_SE	U(0x42C)
+#define  SE_CLK_SRC_MASK		(U(7) << 29)
+#define  SE_CLK_SRC_CLK_M		(U(6) << 29)
+#define TEGRA_RST_DEV_SET_V		U(0x430)
+#define  SE_RESET_BIT			(U(1) << 31)
+#define  HDA_RESET_BIT			(U(1) << 29)
+#define  SATA_RESET_BIT			(U(1) << 28)
+#define TEGRA_RST_DEV_CLR_V		U(0x434)
+#define TEGRA_CLK_ENB_V			U(0x440)
+
+/*******************************************************************************
+ * Tegra Flow Controller constants
+ ******************************************************************************/
+#define TEGRA_FLOWCTRL_BASE		U(0x60007000)
+
+/*******************************************************************************
+ * Tegra AHB arbitration controller
+ ******************************************************************************/
+#define TEGRA_AHB_ARB_BASE		0x6000C000UL
+
+/*******************************************************************************
+ * Tegra Secure Boot Controller constants
+ ******************************************************************************/
+#define TEGRA_SB_BASE			U(0x6000C200)
+
+/*******************************************************************************
+ * Tegra Exception Vectors constants
+ ******************************************************************************/
+#define TEGRA_EVP_BASE			U(0x6000F000)
+
+/*******************************************************************************
+ * Tegra Miscellaneous register constants
+ ******************************************************************************/
+#define TEGRA_MISC_BASE			U(0x70000000)
+#define  HARDWARE_REVISION_OFFSET	U(0x804)
+#define  APB_SLAVE_SECURITY_ENABLE	U(0xC00)
+#define  PMC_SECURITY_EN_BIT		(U(1) << 13)
+#define  PINMUX_AUX_DVFS_PWM		U(0x3184)
+#define  PINMUX_PWM_TRISTATE		(U(1) << 4)
+
+/*******************************************************************************
+ * Tegra UART controller base addresses
+ ******************************************************************************/
+#define TEGRA_UARTA_BASE		U(0x70006000)
+#define TEGRA_UARTB_BASE		U(0x70006040)
+#define TEGRA_UARTC_BASE		U(0x70006200)
+#define TEGRA_UARTD_BASE		U(0x70006300)
+#define TEGRA_UARTE_BASE		U(0x70006400)
+
+/*******************************************************************************
+ * Tegra Fuse Controller related constants
+ ******************************************************************************/
+#define TEGRA_FUSE_BASE			0x7000F800UL
+#define FUSE_BOOT_SECURITY_INFO		0x268UL
+#define FUSE_ATOMIC_SAVE_CARVEOUT_EN	(0x1U << 7)
+#define FUSE_JTAG_SECUREID_VALID	(0x104UL)
+#define ECID_VALID			(0x1UL)
+
+
+/*******************************************************************************
+ * Tegra Power Mgmt Controller constants
+ ******************************************************************************/
+#define TEGRA_PMC_BASE			U(0x7000E400)
+#define TEGRA_PMC_SIZE			U(0xC00) /* 3k */
+
+/*******************************************************************************
+ * Tegra Atomics constants
+ ******************************************************************************/
+#define TEGRA_ATOMICS_BASE		0x70016000UL
+#define  TRIGGER0_REG_OFFSET		0UL
+#define  TRIGGER_WIDTH_SHIFT		4UL
+#define  TRIGGER_ID_SHIFT		16UL
+#define  RESULT0_REG_OFFSET		0xC00UL
+
+/*******************************************************************************
+ * Tegra Memory Controller constants
+ ******************************************************************************/
+#define TEGRA_MC_BASE			U(0x70019000)
+
+/* Memory Controller Interrupt Status */
+#define MC_INTSTATUS			0x00U
+
+/* TZDRAM carveout configuration registers */
+#define MC_SECURITY_CFG0_0		U(0x70)
+#define MC_SECURITY_CFG1_0		U(0x74)
+#define MC_SECURITY_CFG3_0		U(0x9BC)
+
+/* Video Memory carveout configuration registers */
+#define MC_VIDEO_PROTECT_BASE_HI	U(0x978)
+#define MC_VIDEO_PROTECT_BASE_LO	U(0x648)
+#define MC_VIDEO_PROTECT_SIZE_MB	U(0x64c)
+#define MC_VIDEO_PROTECT_REG_CTRL	U(0x650)
+#define MC_VIDEO_PROTECT_WRITE_ACCESS_ENABLED	U(3)
+
+/* SMMU configuration registers*/
+#define MC_SMMU_PPCS_ASID_0		0x270U
+#define  PPCS_SMMU_ENABLE		(0x1U << 31)
+
+/*******************************************************************************
+ * Tegra CLDVFS constants
+ ******************************************************************************/
+#define TEGRA_CL_DVFS_BASE		U(0x70110000)
+#define DVFS_DFLL_CTRL			U(0x00)
+#define  ENABLE_OPEN_LOOP		U(1)
+#define  ENABLE_CLOSED_LOOP		U(2)
+#define DVFS_DFLL_OUTPUT_CFG		U(0x20)
+#define  DFLL_OUTPUT_CFG_I2C_EN_BIT	(U(1) << 30)
+#define  DFLL_OUTPUT_CFG_CLK_EN_BIT	(U(1) << 6)
+
+/*******************************************************************************
+ * Tegra SE constants
+ ******************************************************************************/
+#define TEGRA_SE1_BASE			U(0x70012000)
+#define TEGRA_SE2_BASE			U(0x70412000)
+#define TEGRA_PKA1_BASE			U(0x70420000)
+#define TEGRA_SE2_RANGE_SIZE		U(0x2000)
+#define SE_TZRAM_SECURITY		U(0x4)
+
+/*******************************************************************************
+ * Tegra TZRAM constants
+ ******************************************************************************/
+#define TEGRA_TZRAM_BASE		U(0x7C010000)
+#define TEGRA_TZRAM_SIZE		U(0x10000)
+
+/*******************************************************************************
+ * Tegra TZRAM carveout constants
+ ******************************************************************************/
+#define TEGRA_TZRAM_CARVEOUT_BASE	U(0x7C04C000)
+#define TEGRA_TZRAM_CARVEOUT_SIZE	U(0x4000)
+
+/*******************************************************************************
+ * Tegra DRAM memory base address
+ ******************************************************************************/
+#define TEGRA_DRAM_BASE			ULL(0x80000000)
+#define TEGRA_DRAM_END			ULL(0x27FFFFFFF)
+
+#endif /* TEGRA_DEF_H */
diff --git a/plat/nvidia/tegra/include/tegra_platform.h b/plat/nvidia/tegra/include/tegra_platform.h
new file mode 100644
index 0000000..ab51dfe
--- /dev/null
+++ b/plat/nvidia/tegra/include/tegra_platform.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020-2021, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef TEGRA_PLATFORM_H
+#define TEGRA_PLATFORM_H
+
+#include <cdefs.h>
+#include <lib/utils_def.h>
+#include <stdbool.h>
+
+/*******************************************************************************
+ * Tegra major, minor version helper macros
+ ******************************************************************************/
+#define MAJOR_VERSION_SHIFT		U(0x4)
+#define MAJOR_VERSION_MASK		U(0xF)
+#define MINOR_VERSION_SHIFT		U(0x10)
+#define MINOR_VERSION_MASK		U(0xF)
+#define CHIP_ID_SHIFT			U(8)
+#define CHIP_ID_MASK			U(0xFF)
+#define PRE_SI_PLATFORM_SHIFT		U(0x14)
+#define PRE_SI_PLATFORM_MASK		U(0xF)
+
+/*******************************************************************************
+ * Tegra chip ID values
+ ******************************************************************************/
+#define TEGRA_CHIPID_TEGRA13		U(0x13)
+#define TEGRA_CHIPID_TEGRA21		U(0x21)
+#define TEGRA_CHIPID_TEGRA18		U(0x18)
+#define TEGRA_CHIPID_TEGRA19		U(0x19)
+
+/*******************************************************************************
+ * JEDEC Standard Manufacturer's Identification Code and Bank ID
+ ******************************************************************************/
+#define JEDEC_NVIDIA_MFID		U(0x6B)
+#define JEDEC_NVIDIA_BKID		U(3)
+
+#ifndef __ASSEMBLER__
+
+/*
+ * Tegra chip ID major/minor identifiers
+ */
+uint32_t tegra_get_chipid_major(void);
+uint32_t tegra_get_chipid_minor(void);
+
+/*
+ * Tegra chip ID identifiers
+ */
+bool tegra_chipid_is_t186(void);
+bool tegra_chipid_is_t210(void);
+bool tegra_chipid_is_t210_b01(void);
+bool tegra_chipid_is_t194(void);
+
+/*
+ * Tegra platform identifiers
+ */
+bool tegra_platform_is_silicon(void);
+bool tegra_platform_is_qt(void);
+bool tegra_platform_is_emulation(void);
+bool tegra_platform_is_linsim(void);
+bool tegra_platform_is_fpga(void);
+bool tegra_platform_is_unit_fpga(void);
+bool tegra_platform_is_virt_dev_kit(void);
+
+#endif /* __ASSEMBLER__ */
+
+#endif /* TEGRA_PLATFORM_H */
diff --git a/plat/nvidia/tegra/include/tegra_private.h b/plat/nvidia/tegra/include/tegra_private.h
new file mode 100644
index 0000000..cc2ad86
--- /dev/null
+++ b/plat/nvidia/tegra/include/tegra_private.h
@@ -0,0 +1,158 @@
+/*
+ * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef TEGRA_PRIVATE_H
+#define TEGRA_PRIVATE_H
+
+#include <platform_def.h>
+#include <stdbool.h>
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <drivers/ti/uart/uart_16550.h>
+#include <lib/psci/psci.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+
+#include <tegra_gic.h>
+
+/*******************************************************************************
+ * Implementation defined ACTLR_EL1 bit definitions
+ ******************************************************************************/
+#define ACTLR_EL1_PMSTATE_MASK		(ULL(0xF) << 0)
+
+/*******************************************************************************
+ * Implementation defined ACTLR_EL2 bit definitions
+ ******************************************************************************/
+#define ACTLR_EL2_PMSTATE_MASK		(ULL(0xF) << 0)
+
+/*******************************************************************************
+ * Struct for parameters received from BL2
+ ******************************************************************************/
+typedef struct plat_params_from_bl2 {
+	/* TZ memory size */
+	uint64_t tzdram_size;
+	/* TZ memory base */
+	uint64_t tzdram_base;
+	/* UART port ID */
+	int32_t uart_id;
+	/* L2 ECC parity protection disable flag */
+	int32_t l2_ecc_parity_prot_dis;
+	/* SHMEM base address for storing the boot logs */
+	uint64_t boot_profiler_shmem_base;
+	/* System Suspend Entry Firmware size */
+	uint64_t sc7entry_fw_size;
+	/* System Suspend Entry Firmware base address */
+	uint64_t sc7entry_fw_base;
+	/* Enable dual execution */
+	uint8_t enable_ccplex_lock_step;
+} plat_params_from_bl2_t;
+
+/*******************************************************************************
+ * Helper function to access l2ctlr_el1 register on Cortex-A57 CPUs
+ ******************************************************************************/
+DEFINE_RENAME_SYSREG_RW_FUNCS(l2ctlr_el1, CORTEX_A57_L2CTLR_EL1)
+
+/*******************************************************************************
+ * Struct describing parameters passed to bl31
+ ******************************************************************************/
+struct tegra_bl31_params {
+       param_header_t h;
+       image_info_t *bl31_image_info;
+       entry_point_info_t *bl32_ep_info;
+       image_info_t *bl32_image_info;
+       entry_point_info_t *bl33_ep_info;
+       image_info_t *bl33_image_info;
+};
+
+/*******************************************************************************
+* To suppress Coverity MISRA C-2012 Rule 2.2 violations
+*******************************************************************************/
+#define UNUSED_FUNC_NOP()	asm("nop")
+
+/* Declarations for plat_psci_handlers.c */
+int32_t tegra_soc_validate_power_state(uint32_t power_state,
+		psci_power_state_t *req_state);
+
+/* Declarations for plat_setup.c */
+const mmap_region_t *plat_get_mmio_map(void);
+void plat_enable_console(int32_t id);
+void plat_gic_setup(void);
+struct tegra_bl31_params *plat_get_bl31_params(void);
+plat_params_from_bl2_t *plat_get_bl31_plat_params(void);
+void plat_early_platform_setup(void);
+void plat_late_platform_setup(void);
+void plat_relocate_bl32_image(const image_info_t *bl32_img_info);
+bool plat_supports_system_suspend(void);
+void plat_runtime_setup(void);
+
+/* Declarations for plat_secondary.c */
+void plat_secondary_setup(void);
+int32_t plat_lock_cpu_vectors(void);
+
+/* Declarations for tegra_fiq_glue.c */
+void tegra_fiq_handler_setup(void);
+int32_t tegra_fiq_get_intr_context(void);
+void tegra_fiq_set_ns_entrypoint(uint64_t entrypoint);
+
+/* Declarations for tegra_security.c */
+void tegra_security_setup(void);
+void tegra_security_setup_videomem(uintptr_t base, uint64_t size);
+
+/* Declarations for tegra_pm.c */
+void tegra_pm_system_suspend_entry(void);
+void tegra_pm_system_suspend_exit(void);
+int32_t tegra_system_suspended(void);
+int32_t tegra_soc_cpu_standby(plat_local_state_t cpu_state);
+int32_t tegra_soc_pwr_domain_suspend(const psci_power_state_t *target_state);
+int32_t tegra_soc_pwr_domain_on(u_register_t mpidr);
+int32_t tegra_soc_pwr_domain_off(const psci_power_state_t *target_state);
+int32_t tegra_soc_pwr_domain_on_finish(const psci_power_state_t *target_state);
+int32_t tegra_soc_pwr_domain_power_down_wfi(const psci_power_state_t *target_state);
+int32_t tegra_soc_pwr_domain_suspend_pwrdown_early(const psci_power_state_t *target_state);
+int32_t tegra_soc_prepare_system_reset(void);
+__dead2 void tegra_soc_prepare_system_off(void);
+plat_local_state_t tegra_soc_get_target_pwr_state(uint32_t lvl,
+					     const plat_local_state_t *states,
+					     uint32_t ncpu);
+
+/* Declarations for tegraXXX_pm.c */
+int tegra_prepare_cpu_suspend(unsigned int id, unsigned int afflvl);
+int tegra_prepare_cpu_on_finish(unsigned long mpidr);
+
+/* Declarations for tegra_bl31_setup.c */
+plat_params_from_bl2_t *bl31_get_plat_params(void);
+int32_t bl31_check_ns_address(uint64_t base, uint64_t size_in_bytes);
+
+/* Declarations for tegra_delay_timer.c */
+void tegra_delay_timer_init(void);
+
+void tegra_secure_entrypoint(void);
+
+/* Declarations for tegra_sip_calls.c */
+uintptr_t tegra_sip_handler(uint32_t smc_fid,
+			    u_register_t x1,
+			    u_register_t x2,
+			    u_register_t x3,
+			    u_register_t x4,
+			    void *cookie,
+			    void *handle,
+			    u_register_t flags);
+int plat_sip_handler(uint32_t smc_fid,
+		     uint64_t x1,
+		     uint64_t x2,
+		     uint64_t x3,
+		     uint64_t x4,
+		     const void *cookie,
+		     void *handle,
+		     uint64_t flags);
+
+#if RAS_EXTENSION
+void tegra194_ras_enable(void);
+void tegra194_ras_corrected_err_clear(uint64_t *cookie);
+#endif
+
+#endif /* TEGRA_PRIVATE_H */
diff --git a/plat/nvidia/tegra/lib/debug/profiler.c b/plat/nvidia/tegra/lib/debug/profiler.c
new file mode 100644
index 0000000..dd76a4e
--- /dev/null
+++ b/plat/nvidia/tegra/lib/debug/profiler.c
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*******************************************************************************
+ * The profiler stores the timestamps captured during cold boot to the shared
+ * memory for the non-secure world. The non-secure world driver parses the
+ * shared memory block and writes the contents to a file on the device, which
+ * can be later extracted for analysis.
+ *
+ * Profiler memory map
+ *
+ * TOP     ---------------------------      ---
+ *            Trusted OS timestamps         3KB
+ *         ---------------------------      ---
+ *         Trusted Firmware timestamps      1KB
+ * BASE    ---------------------------      ---
+ *
+ ******************************************************************************/
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <assert.h>
+#include <lib/mmio.h>
+#include <lib/utils_def.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+#include <profiler.h>
+#include <stdbool.h>
+#include <string.h>
+
+static uint64_t shmem_base_addr;
+
+#define MAX_PROFILER_RECORDS	U(16)
+#define TAG_LEN_BYTES		U(56)
+
+/*******************************************************************************
+ * Profiler entry format
+ ******************************************************************************/
+typedef struct {
+	/* text explaining the timestamp location in code */
+	uint8_t tag[TAG_LEN_BYTES];
+	/* timestamp value */
+	uint64_t timestamp;
+} profiler_rec_t;
+
+static profiler_rec_t *head, *cur, *tail;
+static uint32_t tmr;
+static bool is_shmem_buf_mapped;
+
+/*******************************************************************************
+ * Initialise the profiling library
+ ******************************************************************************/
+void boot_profiler_init(uint64_t shmem_base, uint32_t tmr_base)
+{
+	uint64_t shmem_end_base;
+
+	assert(shmem_base != ULL(0));
+	assert(tmr_base != U(0));
+
+	/* store the buffer address */
+	shmem_base_addr = shmem_base;
+
+	/* calculate the base address of the last record */
+	shmem_end_base = shmem_base + (sizeof(profiler_rec_t) *
+			 (MAX_PROFILER_RECORDS - U(1)));
+
+	/* calculate the head, tail and cur values */
+	head = (profiler_rec_t *)shmem_base;
+	tail = (profiler_rec_t *)shmem_end_base;
+	cur = head;
+
+	/* timer used to get the current timestamp */
+	tmr = tmr_base;
+}
+
+/*******************************************************************************
+ * Add tag and timestamp to profiler
+ ******************************************************************************/
+void boot_profiler_add_record(const char *str)
+{
+	unsigned int len;
+
+	/* calculate the length of the tag */
+	if (((unsigned int)strlen(str) + U(1)) > TAG_LEN_BYTES) {
+		len = TAG_LEN_BYTES;
+	} else {
+		len = (unsigned int)strlen(str) + U(1);
+	}
+
+	if (head != NULL) {
+
+		/*
+		 * The profiler runs with/without MMU enabled. Check
+		 * if MMU is enabled and memmap the shmem buffer, in
+		 * case it is.
+		 */
+		if ((!is_shmem_buf_mapped) &&
+		    ((read_sctlr_el3() & SCTLR_M_BIT) != U(0))) {
+
+			(void)mmap_add_dynamic_region(shmem_base_addr,
+					shmem_base_addr,
+					PROFILER_SIZE_BYTES,
+					(MT_NS | MT_RW | MT_EXECUTE_NEVER));
+
+			is_shmem_buf_mapped = true;
+		}
+
+		/* write the tag and timestamp to buffer */
+		(void)snprintf((char *)cur->tag, len, "%s", str);
+		cur->timestamp = mmio_read_32(tmr);
+
+		/* start from head if we reached the end */
+		if (cur == tail) {
+			cur = head;
+		} else {
+			cur++;
+		}
+	}
+}
+
+/*******************************************************************************
+ * Deinint the profiler
+ ******************************************************************************/
+void boot_profiler_deinit(void)
+{
+	if (shmem_base_addr != ULL(0)) {
+
+		/* clean up resources */
+		cur = NULL;
+		head = NULL;
+		tail = NULL;
+
+		/* flush the shmem for it to be visible to the NS world */
+		flush_dcache_range(shmem_base_addr, PROFILER_SIZE_BYTES);
+
+		/* unmap the shmem buffer */
+		if (is_shmem_buf_mapped) {
+			(void)mmap_remove_dynamic_region(shmem_base_addr,
+					PROFILER_SIZE_BYTES);
+		}
+	}
+}
diff --git a/plat/nvidia/tegra/platform.mk b/plat/nvidia/tegra/platform.mk
new file mode 100644
index 0000000..6ed1cdf
--- /dev/null
+++ b/plat/nvidia/tegra/platform.mk
@@ -0,0 +1,97 @@
+#
+# Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+SOC_DIR			:=	plat/nvidia/tegra/soc/${TARGET_SOC}
+
+# dump the state on crash console
+CRASH_REPORTING		:=	1
+$(eval $(call add_define,CRASH_REPORTING))
+
+# enable assert() for release/debug builds
+ENABLE_ASSERTIONS	:=	1
+PLAT_LOG_LEVEL_ASSERT	:=	50
+$(eval $(call add_define,PLAT_LOG_LEVEL_ASSERT))
+
+# enable dynamic memory mapping
+PLAT_XLAT_TABLES_DYNAMIC :=	1
+$(eval $(call add_define,PLAT_XLAT_TABLES_DYNAMIC))
+
+# Enable exception handling at EL3
+EL3_EXCEPTION_HANDLING	:=	1
+GICV2_G0_FOR_EL3	:=	1
+
+# Enable PSCI v1.0 extended state ID format
+PSCI_EXTENDED_STATE_ID	:=	1
+
+# code and read-only data should be put on separate memory pages
+SEPARATE_CODE_AND_RODATA :=	1
+
+# do not use coherent memory
+USE_COHERENT_MEM	:=	0
+
+# enable D-cache early during CPU warmboot
+WARMBOOT_ENABLE_DCACHE_EARLY := 1
+
+# remove the standard libc
+OVERRIDE_LIBC		:=	1
+
+# Flag to enable WDT FIQ interrupt handling for Tegra SoCs
+# prior to Tegra186
+ENABLE_TEGRA_WDT_LEGACY_FIQ_HANDLING	?= 0
+
+# Flag to allow relocation of BL32 image to TZDRAM during boot
+RELOCATE_BL32_IMAGE		?= 0
+
+# Enable stack protection
+ENABLE_STACK_PROTECTOR		:=	strong
+
+# Enable SDEI
+SDEI_SUPPORT			:= 1
+
+# modify BUILD_PLAT to point to SoC specific build directory
+BUILD_PLAT	:=	${BUILD_BASE}/${PLAT}/${TARGET_SOC}/${BUILD_TYPE}
+
+include plat/nvidia/tegra/common/tegra_common.mk
+include ${SOC_DIR}/platform_${TARGET_SOC}.mk
+
+$(eval $(call add_define,ENABLE_TEGRA_WDT_LEGACY_FIQ_HANDLING))
+$(eval $(call add_define,RELOCATE_BL32_IMAGE))
+
+# platform cflags (enable signed comparisons, disable stdlib)
+TF_CFLAGS	+= -nostdlib
+
+# override with necessary libc files for the Tegra platform
+override LIBC_SRCS :=	$(addprefix lib/libc/,		\
+			aarch64/setjmp.S		\
+			assert.c			\
+			memchr.c			\
+			memcmp.c			\
+			memcpy.c			\
+			memmove.c			\
+			memset.c			\
+			printf.c			\
+			putchar.c			\
+			strrchr.c			\
+			strlen.c			\
+			snprintf.c)
+
+INCLUDES	+=	-Iinclude/lib/libc		\
+			-Iinclude/lib/libc/$(ARCH)	\
+
+ifneq ($(findstring armlink,$(notdir $(LD))),)
+# o suppress warnings for section mismatches, undefined symbols
+# o use only those libraries that are specified in the input file
+#   list to resolve references
+# o create a static callgraph of functions
+# o resolve undefined symbols to el3_panic
+# o include only required sections
+TF_LDFLAGS	+= --diag_suppress=L6314,L6332 --no_scanlib --callgraph
+TF_LDFLAGS	+= --keep="*(__pubsub*)" --keep="*(rt_svc_descs*)" --keep="*(*cpu_ops)"
+ifeq (${ENABLE_PMF},1)
+TF_LDFLAGS	+= --keep="*(*pmf_svc_descs*)"
+endif
+endif
diff --git a/plat/nvidia/tegra/scat/bl31.scat b/plat/nvidia/tegra/scat/bl31.scat
new file mode 100644
index 0000000..2d6d2b3
--- /dev/null
+++ b/plat/nvidia/tegra/scat/bl31.scat
@@ -0,0 +1,284 @@
+#! armclang -E -x c
+
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <platform_def.h>
+
+#define PAGE_SIZE	(1024 * 4)
+
+LR_START BL31_BASE
+{
+	__BL31_START__ +0 FIXED EMPTY 0
+	{
+		/* placeholder */
+	}
+
+	/* BL31_BASE address must be aligned on a page boundary. */
+	ScatterAssert((ImageBase(__BL31_START__) AND 0xFFF) == 0)
+}
+
+LR_TEXT BL31_BASE
+{
+	__TEXT__ +0 FIXED
+	{
+		*(:gdef:bl31_entrypoint, +FIRST)
+		*(.text*)
+		*(.vectors)
+		.ANY1(+RO-CODE)
+	}
+
+	__TEXT_EPILOGUE__ AlignExpr(+0, PAGE_SIZE) FIXED EMPTY 0
+	{
+		/* section delimiter */
+	}
+}
+
+LR_RO_DATA +0
+{
+	__RODATA__ AlignExpr(ImageLimit(LR_TEXT), 0) FIXED
+	{
+		*(.rodata*)
+		.ANY2(+RO-DATA)
+	}
+
+	/* Ensure 8-byte alignment for descriptors and ensure inclusion */
+	__RT_SVC_DESCS__ AlignExpr(ImageLimit(__RODATA__), 8) FIXED
+	{
+		*(rt_svc_descs)
+	}
+
+#if ENABLE_PMF
+	/* Ensure 8-byte alignment for descriptors and ensure inclusion */
+	__PMF_SVC_DESCS__ AlignExpr(ImageLimit(__RT_SVC_DESCS__), 8) FIXED
+	{
+		*(pmf_svc_descs)
+	}
+#endif /* ENABLE_PMF */
+
+	/*
+	 * Ensure 8-byte alignment for cpu_ops so that its fields are also
+	 * aligned.
+	 */
+	__CPU_OPS__ AlignExpr(+0, 8) FIXED
+	{
+		*(cpu_ops)
+	}
+
+	/*
+	 * Keep the .got section in the RO section as it is patched
+	 * prior to enabling the MMU and having the .got in RO is better for
+	 * security. GOT is a table of addresses so ensure 8-byte alignment.
+	 */
+	__GOT__ AlignExpr(ImageLimit(__CPU_OPS__), 8) FIXED
+	{
+		*(.got)
+	}
+
+	/* Place pubsub sections for events */
+	__PUBSUB_EVENTS__ AlignExpr(+0, 8) EMPTY 0
+	{
+		/* placeholder */
+	}
+
+#include <lib/el3_runtime/pubsub_events.h>
+
+	__RODATA_EPILOGUE__ AlignExpr(+0, PAGE_SIZE) FIXED EMPTY 0
+	{
+		/* section delimiter */
+	}
+}
+
+	/* cpu_ops must always be defined */
+	ScatterAssert(ImageLength(__CPU_OPS__) > 0)
+
+#if SPM_MM
+LR_SPM +0
+{
+	/*
+	 * Exception vectors of the SPM shim layer. They must be aligned to a 2K
+	 * address, but we need to place them in a separate page so that we can set
+	 * individual permissions to them, so the actual alignment needed is 4K.
+	 *
+	 * There's no need to include this into the RO section of BL31 because it
+	 * doesn't need to be accessed by BL31.
+	 */
+	__SPM_SHIM_EXCEPTIONS__ AlignExpr(ImageLimit(LR_RO_DATA), PAGE_SIZE) FIXED
+	{
+		*(.spm_shim_exceptions)
+	}
+
+	__SPM_SHIM_EXCEPTIONS_EPILOGUE__ AlignExpr(ImageLimit(__SPM_SHIM_EXCEPTIONS__), PAGE_SIZE) FIXED
+	{
+		/* placeholder */
+	}
+}
+#endif
+
+LR_RW_DATA +0
+{
+	__DATA__ AlignExpr(+0, 16) FIXED
+	{
+		*(.data*)
+		*(.constdata)
+		*(locale$$data)
+	}
+}
+
+LR_RELA +0
+{
+	/*
+	 * .rela.dyn needs to come after .data for the read-elf utility to parse
+	 * this section correctly. Ensure 8-byte alignment so that the fields of
+	 * RELA data structure are aligned.
+	 */
+	__RELA__ AlignExpr(ImageLimit(LR_RW_DATA), 8) FIXED
+	{
+		*(.rela.dyn)
+	}
+}
+
+#ifdef BL31_PROGBITS_LIMIT
+	/* BL31 progbits has exceeded its limit. */
+	ScatterAssert(ImageLimit(LR_RELA) <= BL31_PROGBITS_LIMIT)
+#endif
+
+LR_STACKS +0
+{
+	__STACKS__ AlignExpr(+0, 64) FIXED
+	{
+		*(tzfw_normal_stacks)
+	}
+}
+
+#define __BAKERY_LOCK_SIZE__		(ImageLimit(__BAKERY_LOCKS_EPILOGUE__) - \
+					 ImageBase(__BAKERY_LOCKS__))
+#define BAKERY_LOCK_SIZE		(__BAKERY_LOCK_SIZE__ * (PLATFORM_CORE_COUNT - 1))
+#define __PMF_TIMESTAMP_SIZE__		(ImageLimit(__PMF_TIMESTAMP__) - \
+					 ImageBase(__PMF_TIMESTAMP__))
+#define PER_CPU_TIMESTAMP_SIZE		(__PMF_TIMESTAMP_SIZE__ * (PLATFORM_CORE_COUNT - 1))
+
+LR_BSS +0
+{
+	__BSS__ AlignExpr(ImageLimit(LR_STACKS), 256) FIXED
+	{
+		*(.bss*)
+		*(COMDAT)
+	}
+
+#if !USE_COHERENT_MEM
+	/*
+	 * Bakery locks are stored in normal .bss memory
+	 *
+	 * Each lock's data is spread across multiple cache lines, one per CPU,
+	 * but multiple locks can share the same cache line.
+	 * The compiler will allocate enough memory for one CPU's bakery locks,
+	 * the remaining cache lines are allocated by the linker script
+	 */
+	__BAKERY_LOCKS__ AlignExpr(ImageLimit(__BSS__), CACHE_WRITEBACK_GRANULE) FIXED
+	{
+		*(bakery_lock)
+	}
+
+	__BAKERY_LOCKS_EPILOGUE__ AlignExpr(ImageLimit(__BAKERY_LOCKS__), CACHE_WRITEBACK_GRANULE) FIXED EMPTY 0
+	{
+		/* section delimiter */
+	}
+
+	__PER_CPU_BAKERY_LOCKS__ ImageLimit(__BAKERY_LOCKS_EPILOGUE__) FIXED FILL 0 BAKERY_LOCK_SIZE
+	{
+		/* padded memory section to store per cpu bakery locks */
+	}
+
+#ifdef PLAT_PERCPU_BAKERY_LOCK_SIZE
+	/* PLAT_PERCPU_BAKERY_LOCK_SIZE does not match bakery lock requirements */
+	ScatterAssert(__PER_CPU_BAKERY_LOCK_SIZE__ == PLAT_PERCPU_BAKERY_LOCK_SIZE)
+#endif
+#endif
+
+#if ENABLE_PMF
+	/*
+	 * Time-stamps are stored in normal .bss memory
+	 *
+	 * The compiler will allocate enough memory for one CPU's time-stamps,
+	 * the remaining memory for other CPU's is allocated by the
+	 * linker script
+	 */
+	__PMF_TIMESTAMP__ AlignExpr(+0, CACHE_WRITEBACK_GRANULE) FIXED EMPTY CACHE_WRITEBACK_GRANULE
+	{
+		/* store timestamps in this carved out memory */
+	}
+
+	__PMF_TIMESTAMP_EPILOGUE__ AlignExpr(ImageLimit(__PMF_TIMESTAMP__), CACHE_WRITEBACK_GRANULE) FIXED EMPTY 0
+	{
+		/*
+		 * placeholder to make __PMF_TIMESTAMP_START__ end on a
+		 * CACHE_WRITEBACK_GRANULE boundary
+		 */
+	}
+
+	__PER_CPU_TIMESTAMPS__ +0 FIXED FILL 0 PER_CPU_TIMESTAMP_SIZE
+	{
+		/* padded memory section to store per cpu timestamps */
+	}
+#endif /* ENABLE_PMF */
+}
+
+LR_XLAT_TABLE +0
+{
+	xlat_table +0 FIXED
+	{
+		*(xlat_table)
+	}
+}
+
+#if USE_COHERENT_MEM
+LR_COHERENT_RAM +0
+{
+	/*
+	 * The base address of the coherent memory section must be page-aligned (4K)
+	 * to guarantee that the coherent data are stored on their own pages and
+	 * are not mixed with normal data.  This is required to set up the correct
+	 * memory attributes for the coherent data page tables.
+	 */
+	__COHERENT_RAM__ AlignExpr(+0, PAGE_SIZE) FIXED
+	{
+		/*
+		 * Bakery locks are stored in coherent memory
+		 *
+		 * Each lock's data is contiguous and fully allocated by the compiler
+		 */
+		*(bakery_lock)
+		*(tzfw_coherent_mem)
+	}
+
+	__COHERENT_RAM_EPILOGUE_UNALIGNED__ +0 FIXED EMPTY 0
+	{
+		/* section delimiter */
+	}
+
+	/*
+	 * Memory page(s) mapped to this section will be marked
+	 * as device memory.  No other unexpected data must creep in.
+	 * Ensure the rest of the current memory page is unused.
+	 */
+	__COHERENT_RAM_EPILOGUE__ AlignExpr(ImageLimit(__COHERENT_RAM_START__), PAGE_SIZE) FIXED EMPTY 0
+	{
+		/* section delimiter */
+	}
+}
+#endif
+
+LR_END +0
+{
+	__BL31_END__ +0 FIXED EMPTY 0
+	{
+		/* placeholder */
+	}
+
+	/* BL31 image has exceeded its limit. */
+	ScatterAssert(ImageLimit(__BL31_END__) <= BL31_LIMIT)
+}
diff --git a/plat/nvidia/tegra/soc/t186/drivers/include/mce_private.h b/plat/nvidia/tegra/soc/t186/drivers/include/mce_private.h
new file mode 100644
index 0000000..203f61a
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t186/drivers/include/mce_private.h
@@ -0,0 +1,260 @@
+/*
+ * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MCE_PRIVATE_H
+#define MCE_PRIVATE_H
+
+#include <lib/mmio.h>
+
+#include <tegra_def.h>
+
+/*******************************************************************************
+ * Macros to prepare CSTATE info request
+ ******************************************************************************/
+/* Description of the parameters for UPDATE_CSTATE_INFO request */
+#define CLUSTER_CSTATE_MASK			ULL(0x7)
+#define CLUSTER_CSTATE_SHIFT			U(0)
+#define CLUSTER_CSTATE_UPDATE_BIT		(ULL(1) << 7)
+#define CCPLEX_CSTATE_MASK			ULL(0x3)
+#define CCPLEX_CSTATE_SHIFT			ULL(8)
+#define CCPLEX_CSTATE_UPDATE_BIT		(ULL(1) << 15)
+#define SYSTEM_CSTATE_MASK			ULL(0xF)
+#define SYSTEM_CSTATE_SHIFT			ULL(16)
+#define SYSTEM_CSTATE_FORCE_UPDATE_SHIFT	ULL(22)
+#define SYSTEM_CSTATE_FORCE_UPDATE_BIT		(ULL(1) << 22)
+#define SYSTEM_CSTATE_UPDATE_BIT		(ULL(1) << 23)
+#define CSTATE_WAKE_MASK_UPDATE_BIT		(ULL(1) << 31)
+#define CSTATE_WAKE_MASK_SHIFT			ULL(32)
+#define CSTATE_WAKE_MASK_CLEAR			U(0xFFFFFFFF)
+
+/*******************************************************************************
+ * Auto-CC3 control macros
+ ******************************************************************************/
+#define MCE_AUTO_CC3_FREQ_MASK			U(0x1FF)
+#define MCE_AUTO_CC3_FREQ_SHIFT			U(0)
+#define MCE_AUTO_CC3_VTG_MASK			U(0x7F)
+#define MCE_AUTO_CC3_VTG_SHIFT			U(16)
+#define MCE_AUTO_CC3_ENABLE_BIT			(U(1) << 31)
+
+/*******************************************************************************
+ * Macros for the 'IS_SC7_ALLOWED' command
+ ******************************************************************************/
+#define MCE_SC7_ALLOWED_MASK			U(0x7)
+#define MCE_SC7_WAKE_TIME_SHIFT			U(32)
+
+/*******************************************************************************
+ * Macros for 'read/write ctats' commands
+ ******************************************************************************/
+#define MCE_CSTATE_STATS_TYPE_SHIFT		ULL(32)
+#define MCE_CSTATE_WRITE_DATA_LO_MASK		U(0xF)
+
+/*******************************************************************************
+ * Macros for 'update crossover threshold' command
+ ******************************************************************************/
+#define MCE_CROSSOVER_THRESHOLD_TIME_SHIFT	U(32)
+
+/*******************************************************************************
+ * MCA argument macros
+ ******************************************************************************/
+#define MCA_ARG_ERROR_MASK			U(0xFF)
+#define MCA_ARG_FINISH_SHIFT			U(24)
+#define MCA_ARG_FINISH_MASK			U(0xFF)
+
+/*******************************************************************************
+ * Uncore PERFMON ARI macros
+ ******************************************************************************/
+#define UNCORE_PERFMON_CMD_READ			U(0)
+#define UNCORE_PERFMON_CMD_WRITE		U(1)
+
+#define UNCORE_PERFMON_CMD_MASK			U(0xFF)
+#define UNCORE_PERFMON_UNIT_GRP_MASK		U(0xF)
+#define UNCORE_PERFMON_SELECTOR_MASK		U(0xF)
+#define UNCORE_PERFMON_REG_MASK			U(0xFF)
+#define UNCORE_PERFMON_CTR_MASK			U(0xFF)
+#define UNCORE_PERFMON_RESP_STATUS_MASK		U(0xFF)
+
+/*******************************************************************************
+ * Structure populated by arch specific code to export routines which perform
+ * common low level MCE functions
+ ******************************************************************************/
+typedef struct arch_mce_ops {
+	/*
+	 * This ARI request sets up the MCE to start execution on assertion
+	 * of STANDBYWFI, update the core power state and expected wake time,
+	 * then determine the proper power state to enter.
+	 */
+	int32_t (*enter_cstate)(uint32_t ari_base, uint32_t state,
+			    uint32_t wake_time);
+	/*
+	 * This ARI request allows updating of the CLUSTER_CSTATE,
+	 * CCPLEX_CSTATE, and SYSTEM_CSTATE register values.
+	 */
+	int32_t (*update_cstate_info)(uint32_t ari_base,
+				  uint32_t cluster,
+				  uint32_t ccplex,
+				  uint32_t system,
+				  uint8_t sys_state_force,
+				  uint32_t wake_mask,
+				  uint8_t update_wake_mask);
+	/*
+	 * This ARI request allows updating of power state crossover
+	 * threshold times. An index value specifies which crossover
+	 * state is being updated.
+	 */
+	int32_t (*update_crossover_time)(uint32_t ari_base,
+				     uint32_t type,
+				     uint32_t time);
+	/*
+	 * This ARI request allows read access to statistical information
+	 * related to power states.
+	 */
+	uint64_t (*read_cstate_stats)(uint32_t ari_base,
+				     uint32_t state);
+	/*
+	 * This ARI request allows write access to statistical information
+	 * related to power states.
+	 */
+	int32_t (*write_cstate_stats)(uint32_t ari_base,
+				  uint32_t state,
+				  uint32_t stats);
+	/*
+	 * This ARI request allows the CPU to understand the features
+	 * supported by the MCE firmware.
+	 */
+	uint64_t (*call_enum_misc)(uint32_t ari_base, uint32_t cmd,
+				   uint32_t data);
+	/*
+	 * This ARI request allows querying the CCPLEX to determine if
+	 * the CCx state is allowed given a target core C-state and wake
+	 * time. If the CCx state is allowed, the response indicates CCx
+	 * must be entered. If the CCx state is not allowed, the response
+	 * indicates CC6/CC7 can't be entered
+	 */
+	int32_t (*is_ccx_allowed)(uint32_t ari_base, uint32_t state,
+			      uint32_t wake_time);
+	/*
+	 * This ARI request allows querying the CCPLEX to determine if
+	 * the SC7 state is allowed given a target core C-state and wake
+	 * time. If the SC7 state is allowed, all cores but the associated
+	 * core are offlined (WAKE_EVENTS are set to 0) and the response
+	 * indicates SC7 must be entered. If the SC7 state is not allowed,
+	 * the response indicates SC7 can't be entered
+	 */
+	int32_t (*is_sc7_allowed)(uint32_t ari_base, uint32_t state,
+			      uint32_t wake_time);
+	/*
+	 * This ARI request allows a core to bring another offlined core
+	 * back online to the C0 state. Note that a core is offlined by
+	 * entering a C-state where the WAKE_MASK is all 0.
+	 */
+	int32_t (*online_core)(uint32_t ari_base, uint32_t cpuid);
+	/*
+	 * This ARI request allows the CPU to enable/disable Auto-CC3 idle
+	 * state.
+	 */
+	int32_t (*cc3_ctrl)(uint32_t ari_base,
+			uint32_t freq,
+			uint32_t volt,
+			uint8_t enable);
+	/*
+	 * This ARI request allows updating the reset vector register for
+	 * D15 and A57 CPUs.
+	 */
+	int32_t (*update_reset_vector)(uint32_t ari_base);
+	/*
+	 * This ARI request instructs the ROC to flush A57 data caches in
+	 * order to maintain coherency with the Denver cluster.
+	 */
+	int32_t (*roc_flush_cache)(uint32_t ari_base);
+	/*
+	 * This ARI request instructs the ROC to flush A57 data caches along
+	 * with the caches covering ARM code in order to maintain coherency
+	 * with the Denver cluster.
+	 */
+	int32_t (*roc_flush_cache_trbits)(uint32_t ari_base);
+	/*
+	 * This ARI request instructs the ROC to clean A57 data caches along
+	 * with the caches covering ARM code in order to maintain coherency
+	 * with the Denver cluster.
+	 */
+	int32_t (*roc_clean_cache)(uint32_t ari_base);
+	/*
+	 * This ARI request reads/writes the Machine Check Arch. (MCA)
+	 * registers.
+	 */
+	uint64_t (*read_write_mca)(uint32_t ari_base,
+			      uint64_t cmd,
+			      uint64_t *data);
+	/*
+	 * Some MC GSC (General Security Carveout) register values are
+	 * expected to be changed by TrustZone secure ARM code after boot.
+	 * Since there is no hardware mechanism for the CCPLEX to know
+	 * that an MC GSC register has changed to allow it to update its
+	 * own internal GSC register, there needs to be a mechanism that
+	 * can be used by ARM code to cause the CCPLEX to update its GSC
+	 * register value. This ARI request allows updating the GSC register
+	 * value for a certain carveout in the CCPLEX.
+	 */
+	int32_t (*update_ccplex_gsc)(uint32_t ari_base, uint32_t gsc_idx);
+	/*
+	 * This ARI request instructs the CCPLEX to either shutdown or
+	 * reset the entire system
+	 */
+	void (*enter_ccplex_state)(uint32_t ari_base, uint32_t state_idx);
+	/*
+	 * This ARI request reads/writes data from/to Uncore PERFMON
+	 * registers
+	 */
+	int32_t (*read_write_uncore_perfmon)(uint32_t ari_base,
+			uint64_t req, uint64_t *data);
+	/*
+	 * This ARI implements ARI_MISC_CCPLEX commands. This can be
+	 * used to enable/disable coresight clock gating.
+	 */
+	void (*misc_ccplex)(uint32_t ari_base, uint32_t index,
+			uint32_t value);
+} arch_mce_ops_t;
+
+/* declarations for ARI/NVG handler functions */
+int32_t ari_enter_cstate(uint32_t ari_base, uint32_t state, uint32_t wake_time);
+int32_t ari_update_cstate_info(uint32_t ari_base, uint32_t cluster, uint32_t ccplex,
+	uint32_t system, uint8_t sys_state_force, uint32_t wake_mask,
+	uint8_t update_wake_mask);
+int32_t ari_update_crossover_time(uint32_t ari_base, uint32_t type, uint32_t time);
+uint64_t ari_read_cstate_stats(uint32_t ari_base, uint32_t state);
+int32_t ari_write_cstate_stats(uint32_t ari_base, uint32_t state, uint32_t stats);
+uint64_t ari_enumeration_misc(uint32_t ari_base, uint32_t cmd, uint32_t data);
+int32_t ari_is_ccx_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time);
+int32_t ari_is_sc7_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time);
+int32_t ari_online_core(uint32_t ari_base, uint32_t core);
+int32_t ari_cc3_ctrl(uint32_t ari_base, uint32_t freq, uint32_t volt, uint8_t enable);
+int32_t ari_reset_vector_update(uint32_t ari_base);
+int32_t ari_roc_flush_cache_trbits(uint32_t ari_base);
+int32_t ari_roc_flush_cache(uint32_t ari_base);
+int32_t ari_roc_clean_cache(uint32_t ari_base);
+uint64_t ari_read_write_mca(uint32_t ari_base, uint64_t cmd, uint64_t *data);
+int32_t ari_update_ccplex_gsc(uint32_t ari_base, uint32_t gsc_idx);
+void ari_enter_ccplex_state(uint32_t ari_base, uint32_t state_idx);
+int32_t ari_read_write_uncore_perfmon(uint32_t ari_base,
+		uint64_t req, uint64_t *data);
+void ari_misc_ccplex(uint32_t ari_base, uint32_t index, uint32_t value);
+
+int32_t nvg_enter_cstate(uint32_t ari_base, uint32_t state, uint32_t wake_time);
+int32_t nvg_update_cstate_info(uint32_t ari_base, uint32_t cluster, uint32_t ccplex,
+		uint32_t system, uint8_t sys_state_force, uint32_t wake_mask,
+		uint8_t update_wake_mask);
+int32_t nvg_update_crossover_time(uint32_t ari_base, uint32_t type, uint32_t time);
+uint64_t nvg_read_cstate_stats(uint32_t ari_base, uint32_t state);
+int32_t nvg_write_cstate_stats(uint32_t ari_base, uint32_t state, uint32_t stats);
+int32_t nvg_is_ccx_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time);
+int32_t nvg_is_sc7_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time);
+int32_t nvg_online_core(uint32_t ari_base, uint32_t core);
+int32_t nvg_cc3_ctrl(uint32_t ari_base, uint32_t freq, uint32_t volt, uint8_t enable);
+
+extern void nvg_set_request_data(uint64_t req, uint64_t data);
+extern void nvg_set_request(uint64_t req);
+extern uint64_t nvg_get_result(void);
+#endif /* MCE_PRIVATE_H */
diff --git a/plat/nvidia/tegra/soc/t186/drivers/include/t18x_ari.h b/plat/nvidia/tegra/soc/t186/drivers/include/t18x_ari.h
new file mode 100644
index 0000000..ecfb3f4
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t186/drivers/include/t18x_ari.h
@@ -0,0 +1,437 @@
+/*
+ * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef T18X_ARI_H
+#define T18X_ARI_H
+
+/*
+ * ----------------------------------------------------------------------------
+ * t18x_ari.h
+ *
+ * Global ARI definitions.
+ * ----------------------------------------------------------------------------
+ */
+
+enum {
+	TEGRA_ARI_VERSION_MAJOR = 3U,
+	TEGRA_ARI_VERSION_MINOR = 1U,
+};
+
+typedef enum {
+	/* indexes below get the core lock */
+	TEGRA_ARI_MISC = 0U,
+	/* index 1 is deprecated */
+	/* index 2 is deprecated */
+	/* index 3 is deprecated */
+	TEGRA_ARI_ONLINE_CORE = 4U,
+
+	/* indexes below need cluster lock */
+	TEGRA_ARI_MISC_CLUSTER = 41U,
+	TEGRA_ARI_IS_CCX_ALLOWED = 42U,
+	TEGRA_ARI_CC3_CTRL = 43U,
+
+	/* indexes below need ccplex lock */
+	TEGRA_ARI_ENTER_CSTATE = 80U,
+	TEGRA_ARI_UPDATE_CSTATE_INFO = 81U,
+	TEGRA_ARI_IS_SC7_ALLOWED = 82U,
+	/* index 83 is deprecated */
+	TEGRA_ARI_PERFMON = 84U,
+	TEGRA_ARI_UPDATE_CCPLEX_GSC = 85U,
+	/* index 86 is depracated */
+	/* index 87 is deprecated */
+	TEGRA_ARI_ROC_FLUSH_CACHE_ONLY = 88U,
+	TEGRA_ARI_ROC_FLUSH_CACHE_TRBITS = 89U,
+	TEGRA_ARI_MISC_CCPLEX = 90U,
+	TEGRA_ARI_MCA = 91U,
+	TEGRA_ARI_UPDATE_CROSSOVER = 92U,
+	TEGRA_ARI_CSTATE_STATS = 93U,
+	TEGRA_ARI_WRITE_CSTATE_STATS = 94U,
+	TEGRA_ARI_COPY_MISCREG_AA64_RST = 95U,
+	TEGRA_ARI_ROC_CLEAN_CACHE_ONLY = 96U,
+} tegra_ari_req_id_t;
+
+typedef enum {
+	TEGRA_ARI_MISC_ECHO = 0U,
+	TEGRA_ARI_MISC_VERSION = 1U,
+	TEGRA_ARI_MISC_FEATURE_LEAF_0 = 2U,
+} tegra_ari_misc_index_t;
+
+typedef enum {
+	TEGRA_ARI_MISC_CCPLEX_SHUTDOWN_POWER_OFF = 0U,
+	TEGRA_ARI_MISC_CCPLEX_SHUTDOWN_REBOOT = 1U,
+	TEGRA_ARI_MISC_CCPLEX_CORESIGHT_CG_CTRL = 2U,
+	TEGRA_ARI_MISC_CCPLEX_EDBGREQ = 3U,
+} tegra_ari_misc_ccplex_index_t;
+
+typedef enum {
+	TEGRA_ARI_CORE_C0 = 0U,
+	TEGRA_ARI_CORE_C1 = 1U,
+	TEGRA_ARI_CORE_C6 = 6U,
+	TEGRA_ARI_CORE_C7 = 7U,
+	TEGRA_ARI_CORE_WARMRSTREQ = 8U,
+} tegra_ari_core_sleep_state_t;
+
+typedef enum {
+	TEGRA_ARI_CLUSTER_CC0 = 0U,
+	TEGRA_ARI_CLUSTER_CC1 = 1U,
+	TEGRA_ARI_CLUSTER_CC6 = 6U,
+	TEGRA_ARI_CLUSTER_CC7 = 7U,
+} tegra_ari_cluster_sleep_state_t;
+
+typedef enum {
+	TEGRA_ARI_CCPLEX_CCP0 = 0U,
+	TEGRA_ARI_CCPLEX_CCP1 = 1U,
+	TEGRA_ARI_CCPLEX_CCP3 = 3U,  /* obsoleted */
+} tegra_ari_ccplex_sleep_state_t;
+
+typedef enum {
+	TEGRA_ARI_SYSTEM_SC0 = 0U,
+	TEGRA_ARI_SYSTEM_SC1 = 1U,  /* obsoleted */
+	TEGRA_ARI_SYSTEM_SC2 = 2U,  /* obsoleted */
+	TEGRA_ARI_SYSTEM_SC3 = 3U,  /* obsoleted */
+	TEGRA_ARI_SYSTEM_SC4 = 4U,  /* obsoleted */
+	TEGRA_ARI_SYSTEM_SC7 = 7U,
+	TEGRA_ARI_SYSTEM_SC8 = 8U,
+} tegra_ari_system_sleep_state_t;
+
+typedef enum {
+	TEGRA_ARI_CROSSOVER_C1_C6 = 0U,
+	TEGRA_ARI_CROSSOVER_CC1_CC6 = 1U,
+	TEGRA_ARI_CROSSOVER_CC1_CC7 = 2U,
+	TEGRA_ARI_CROSSOVER_CCP1_CCP3 = 3U,  /* obsoleted */
+	TEGRA_ARI_CROSSOVER_CCP3_SC2 = 4U,  /* obsoleted */
+	TEGRA_ARI_CROSSOVER_CCP3_SC3 = 5U,  /* obsoleted */
+	TEGRA_ARI_CROSSOVER_CCP3_SC4 = 6U,  /* obsoleted */
+	TEGRA_ARI_CROSSOVER_CCP3_SC7 = 7U,  /* obsoleted */
+	TEGRA_ARI_CROSSOVER_SC0_SC7 = 7U,
+	TEGRA_ARI_CROSSOVER_CCP3_SC1 = 8U,  /* obsoleted */
+} tegra_ari_crossover_index_t;
+
+typedef enum {
+	TEGRA_ARI_CSTATE_STATS_CLEAR = 0U,
+	TEGRA_ARI_CSTATE_STATS_SC7_ENTRIES = 1U,
+	TEGRA_ARI_CSTATE_STATS_SC4_ENTRIES, /* obsoleted */
+	TEGRA_ARI_CSTATE_STATS_SC3_ENTRIES, /* obsoleted */
+	TEGRA_ARI_CSTATE_STATS_SC2_ENTRIES, /* obsoleted */
+	TEGRA_ARI_CSTATE_STATS_CCP3_ENTRIES, /* obsoleted */
+	TEGRA_ARI_CSTATE_STATS_A57_CC6_ENTRIES,
+	TEGRA_ARI_CSTATE_STATS_A57_CC7_ENTRIES,
+	TEGRA_ARI_CSTATE_STATS_D15_CC6_ENTRIES,
+	TEGRA_ARI_CSTATE_STATS_D15_CC7_ENTRIES,
+	TEGRA_ARI_CSTATE_STATS_D15_0_C6_ENTRIES,
+	TEGRA_ARI_CSTATE_STATS_D15_1_C6_ENTRIES,
+	TEGRA_ARI_CSTATE_STATS_D15_0_C7_ENTRIES = 14U,
+	TEGRA_ARI_CSTATE_STATS_D15_1_C7_ENTRIES,
+	TEGRA_ARI_CSTATE_STATS_A57_0_C7_ENTRIES = 18U,
+	TEGRA_ARI_CSTATE_STATS_A57_1_C7_ENTRIES,
+	TEGRA_ARI_CSTATE_STATS_A57_2_C7_ENTRIES,
+	TEGRA_ARI_CSTATE_STATS_A57_3_C7_ENTRIES,
+	TEGRA_ARI_CSTATE_STATS_LAST_CSTATE_ENTRY_D15_0,
+	TEGRA_ARI_CSTATE_STATS_LAST_CSTATE_ENTRY_D15_1,
+	TEGRA_ARI_CSTATE_STATS_LAST_CSTATE_ENTRY_A57_0 = 26U,
+	TEGRA_ARI_CSTATE_STATS_LAST_CSTATE_ENTRY_A57_1,
+	TEGRA_ARI_CSTATE_STATS_LAST_CSTATE_ENTRY_A57_2,
+	TEGRA_ARI_CSTATE_STATS_LAST_CSTATE_ENTRY_A57_3,
+} tegra_ari_cstate_stats_index_t;
+
+typedef enum {
+	TEGRA_ARI_GSC_ALL = 0U,
+	TEGRA_ARI_GSC_BPMP = 6U,
+	TEGRA_ARI_GSC_APE = 7U,
+	TEGRA_ARI_GSC_SPE = 8U,
+	TEGRA_ARI_GSC_SCE = 9U,
+	TEGRA_ARI_GSC_APR = 10U,
+	TEGRA_ARI_GSC_TZRAM = 11U,
+	TEGRA_ARI_GSC_SE = 12U,
+	TEGRA_ARI_GSC_BPMP_TO_SPE = 16U,
+	TEGRA_ARI_GSC_SPE_TO_BPMP = 17U,
+	TEGRA_ARI_GSC_CPU_TZ_TO_BPMP = 18U,
+	TEGRA_ARI_GSC_BPMP_TO_CPU_TZ = 19U,
+	TEGRA_ARI_GSC_CPU_NS_TO_BPMP = 20U,
+	TEGRA_ARI_GSC_BPMP_TO_CPU_NS = 21U,
+	TEGRA_ARI_GSC_IPC_SE_SPE_SCE_BPMP = 22U,
+	TEGRA_ARI_GSC_SC7_RESUME_FW = 23U,
+	TEGRA_ARI_GSC_TZ_DRAM_IDX = 34U,
+	TEGRA_ARI_GSC_VPR_IDX = 35U,
+} tegra_ari_gsc_index_t;
+
+/* This macro will produce enums for __name##_LSB, __name##_MSB and __name##_MSK */
+#define TEGRA_ARI_ENUM_MASK_LSB_MSB(__name, __lsb, __msb) __name##_LSB = __lsb, __name##_MSB = __msb
+
+typedef enum {
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_UPDATE_CSTATE_INFO__CLUSTER_CSTATE, 0U, 2U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_UPDATE_CSTATE_INFO__CLUSTER_CSTATE_PRESENT, 7U, 7U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_UPDATE_CSTATE_INFO__CCPLEX_CSTATE, 8U, 9U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_UPDATE_CSTATE_INFO__CCPLEX_CSTATE_PRESENT, 15U, 15U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_UPDATE_CSTATE_INFO__SYSTEM_CSTATE, 16U, 19U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_UPDATE_CSTATE_INFO__IGNORE_CROSSOVERS, 22U, 22U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_UPDATE_CSTATE_INFO__SYSTEM_CSTATE_PRESENT, 23U, 23U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_UPDATE_CSTATE_INFO__WAKE_MASK_PRESENT, 31U, 31U),
+} tegra_ari_update_cstate_info_bitmasks_t;
+
+typedef enum {
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MISC_CCPLEX_CORESIGHT_CG_CTRL__EN, 0U, 0U),
+} tegra_ari_misc_ccplex_bitmasks_t;
+
+typedef enum {
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_CC3_CTRL__IDLE_FREQ, 0U, 8U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_CC3_CTRL__IDLE_VOLT, 16U, 23U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_CC3_CTRL__ENABLE, 31U, 31U),
+} tegra_ari_cc3_ctrl_bitmasks_t;
+
+typedef enum {
+	TEGRA_ARI_MCA_NOP = 0U,
+	TEGRA_ARI_MCA_READ_SERR = 1U,
+	TEGRA_ARI_MCA_WRITE_SERR = 2U,
+	TEGRA_ARI_MCA_CLEAR_SERR = 4U,
+	TEGRA_ARI_MCA_REPORT_SERR = 5U,
+	TEGRA_ARI_MCA_READ_INTSTS = 6U,
+	TEGRA_ARI_MCA_WRITE_INTSTS = 7U,
+	TEGRA_ARI_MCA_READ_PREBOOT_SERR = 8U,
+} tegra_ari_mca_commands_t;
+
+typedef enum {
+	TEGRA_ARI_MCA_RD_WR_DPMU = 0U,
+	TEGRA_ARI_MCA_RD_WR_IOB = 1U,
+	TEGRA_ARI_MCA_RD_WR_MCB = 2U,
+	TEGRA_ARI_MCA_RD_WR_CCE = 3U,
+	TEGRA_ARI_MCA_RD_WR_CQX = 4U,
+	TEGRA_ARI_MCA_RD_WR_CTU = 5U,
+	TEGRA_ARI_MCA_RD_WR_JSR_MTS = 7U,
+	TEGRA_ARI_MCA_RD_BANK_INFO = 0x0fU,
+	TEGRA_ARI_MCA_RD_BANK_TEMPLATE = 0x10U,
+	TEGRA_ARI_MCA_RD_WR_SECURE_ACCESS_REGISTER = 0x11U,
+	TEGRA_ARI_MCA_RD_WR_GLOBAL_CONFIG_REGISTER = 0x12U,
+} tegra_ari_mca_rd_wr_indexes_t;
+
+typedef enum {
+	TEGRA_ARI_MCA_RD_WR_ASERRX_CTRL = 0U,
+	TEGRA_ARI_MCA_RD_WR_ASERRX_STATUS = 1U,
+	TEGRA_ARI_MCA_RD_WR_ASERRX_ADDR = 2U,
+	TEGRA_ARI_MCA_RD_WR_ASERRX_MISC1 = 3U,
+	TEGRA_ARI_MCA_RD_WR_ASERRX_MISC2 = 4U,
+} tegra_ari_mca_read_asserx_subindexes_t;
+
+typedef enum {
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_SECURE_REGISTER_SETTING_ENABLES_NS_PERMITTED, 0U, 0U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_SECURE_REGISTER_READING_STATUS_NS_PERMITTED, 1U, 1U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_SECURE_REGISTER_PENDING_MCA_ERRORS_NS_PERMITTED, 2U, 2U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_SECURE_REGISTER_CLEARING_MCA_INTERRUPTS_NS_PERMITTED, 3U, 3U),
+} tegra_ari_mca_secure_register_bitmasks_t;
+
+typedef enum {
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR0_STAT_SERR_ERR_CODE, 0U, 15U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR0_STAT_PWM_ERR, 16U, 16U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR0_STAT_CRAB_ERR, 17U, 17U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR0_STAT_RD_WR_N, 18U, 18U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR0_STAT_UCODE_ERR, 19U, 19U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR0_STAT_PWM, 20U, 23U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR0_STAT_AV, 58U, 58U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR0_STAT_MV, 59U, 59U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR0_STAT_EN, 60U, 60U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR0_STAT_UC, 61U, 61U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR0_STAT_OVF, 62U, 62U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR0_STAT_VAL, 63U, 63U),
+
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR0_ADDR_ADDR, 0U, 41U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR0_ADDR_UCODE_ERRCD, 42U, 52U),
+
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR0_CTRL_EN_PWM_ERR, 0U, 0U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR0_CTRL_EN_CRAB_ERR, 1U, 1U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR0_CTRL_EN_UCODE_ERR, 3U, 3U),
+} tegra_ari_mca_aserr0_bitmasks_t;
+
+typedef enum {
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_STAT_SERR_ERR_CODE, 0U, 15U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_STAT_MSI_ERR, 16U, 16U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_STAT_IHI_ERR, 17U, 17U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_STAT_CRI_ERR, 18U, 18U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_STAT_MMCRAB_ERR, 19U, 19U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_STAT_CSI_ERR, 20U, 20U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_STAT_RD_WR_N, 21U, 21U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_STAT_REQ_ERRT, 22U, 23U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_STAT_RESP_ERRT, 24U, 25U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_STAT_AV, 58U, 58U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_STAT_MV, 59U, 59U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_STAT_EN, 60U, 60U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_STAT_UC, 61U, 61U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_STAT_OVF, 62U, 62U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_STAT_VAL, 63U, 63U),
+
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_STAT_AXI_ID, 0U, 7U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_STAT_CQX_ID, 8U, 27U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_STAT_CQX_CID, 28U, 31U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_STAT_CQX_CMD, 32U, 35U),
+
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_CTRL_EN_MSI_ERR, 0U, 0U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_CTRL_EN_IHI_ERR, 1U, 1U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_CTRL_EN_CRI_ERR, 2U, 2U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_CTRL_EN_MMCRAB_ERR, 3U, 3U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_CTRL_EN_CSI_ERR, 4U, 4U),
+
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR1_MISC_ADDR, 0U, 41U),
+} tegra_ari_mca_aserr1_bitmasks_t;
+
+typedef enum {
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR2_STAT_SERR_ERR_CODE, 0U, 15U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR2_STAT_MC_ERR, 16U, 16U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR2_STAT_SYSRAM_ERR, 17U, 17U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR2_STAT_CLIENT_ID, 18U, 19U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR2_STAT_AV, 58U, 58U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR2_STAT_MV, 59U, 59U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR2_STAT_EN, 60U, 60U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR2_STAT_UC, 61U, 61U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR2_STAT_OVF, 62U, 62U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR2_STAT_VAL, 63U, 63U),
+
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR2_ADDR_ID, 0U, 17U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR2_ADDR_CMD, 18U, 21U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR2_ADDR_ADDR, 22U, 53U),
+
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR2_CTRL_EN_MC_ERR, 0U, 0U),
+} tegra_ari_mca_aserr2_bitmasks_t;
+
+typedef enum {
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_STAT_SERR_ERR_CODE, 0U, 15U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_STAT_TO_ERR, 16U, 16U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_STAT_STAT_ERR, 17U, 17U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_STAT_DST_ERR, 18U, 18U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_STAT_UNC_ERR, 19U, 19U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_STAT_MH_ERR, 20U, 20U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_STAT_PERR, 21U, 21U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_STAT_PSN_ERR, 22U, 22U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_STAT_AV, 58U, 58U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_STAT_MV, 59U, 59U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_STAT_EN, 60U, 60U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_STAT_UC, 61U, 61U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_STAT_OVF, 62U, 62U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_STAT_VAL, 63U, 63U),
+
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_ADDR_CMD, 0U, 5U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_ADDR_ADDR, 6U, 47U),
+
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_MISC1_TO, 0U, 0U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_MISC1_DIV4, 1U, 1U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_MISC1_TLIMIT, 2U, 11U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_MISC1_PSN_ERR_CORR_MSK, 12U, 25U),
+
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_MISC2_MORE_INFO, 0U, 17U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_MISC2_TO_INFO, 18U, 43U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_MISC2_SRC, 44U, 45U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_MISC2_TID, 46U, 52U),
+
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_CTRL_EN_TO_ERR, 0U, 0U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_CTRL_EN_STAT_ERR, 1U, 1U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_CTRL_EN_DST_ERR, 2U, 2U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_CTRL_EN_UNC_ERR, 3U, 3U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_CTRL_EN_MH_ERR, 4U, 4U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_CTRL_EN_PERR, 5U, 5U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR3_CTRL_EN_PSN_ERR, 6U, 19U),
+} tegra_ari_mca_aserr3_bitmasks_t;
+
+typedef enum {
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR4_STAT_SERR_ERR_CODE, 0U, 15U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR4_STAT_SRC_ERR, 16U, 16U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR4_STAT_DST_ERR, 17U, 17U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR4_STAT_REQ_ERR, 18U, 18U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR4_STAT_RSP_ERR, 19U, 19U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR4_STAT_AV, 58U, 58U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR4_STAT_MV, 59U, 59U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR4_STAT_EN, 60U, 60U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR4_STAT_UC, 61U, 61U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR4_STAT_OVF, 62U, 62U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR4_STAT_VAL, 63U, 63U),
+
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR4_CTRL_EN_CPE_ERR, 0U, 0U),
+} tegra_ari_mca_aserr4_bitmasks_t;
+
+typedef enum {
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR5_STAT_SERR_ERR_CODE, 0U, 15U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR5_STAT_CTUPAR, 16U, 16U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR5_STAT_MULTI, 17U, 17U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR5_STAT_AV, 58U, 58U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR5_STAT_MV, 59U, 59U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR5_STAT_EN, 60U, 60U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR5_STAT_UC, 61U, 61U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR5_STAT_OVF, 62U, 62U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR5_STAT_VAL, 63U, 63U),
+
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR5_ADDR_SRC, 0U, 7U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR5_ADDR_ID, 8U, 15U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR5_ADDR_DATA, 16U, 26U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR5_ADDR_CMD, 32U, 35U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR5_ADDR_ADDR, 36U, 45U),
+
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_ASERR5_CTRL_EN_CTUPAR, 0U, 0U),
+} tegra_ari_mca_aserr5_bitmasks_t;
+
+typedef enum {
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_SERR1_STAT_SERR_ERR_CODE, 0U, 15U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_SERR1_STAT_AV, 58U, 58U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_SERR1_STAT_MV, 59U, 59U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_SERR1_STAT_EN, 60U, 60U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_SERR1_STAT_UC, 61U, 61U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_SERR1_STAT_OVF, 62U, 62U),
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_SERR1_STAT_VAL, 63U, 63U),
+
+	TEGRA_ARI_ENUM_MASK_LSB_MSB(TEGRA_ARI_MCA_SERR1_ADDR_TBD_INFO, 0U, 63U),
+} tegra_ari_mca_serr1_bitmasks_t;
+
+#undef TEGRA_ARI_ENUM_MASK_LSB_MSB
+
+typedef enum {
+	TEGRA_NVG_CHANNEL_PMIC = 0U,
+	TEGRA_NVG_CHANNEL_POWER_PERF = 1U,
+	TEGRA_NVG_CHANNEL_POWER_MODES = 2U,
+	TEGRA_NVG_CHANNEL_WAKE_TIME = 3U,
+	TEGRA_NVG_CHANNEL_CSTATE_INFO = 4U,
+	TEGRA_NVG_CHANNEL_CROSSOVER_C1_C6 = 5U,
+	TEGRA_NVG_CHANNEL_CROSSOVER_CC1_CC6 = 6U,
+	TEGRA_NVG_CHANNEL_CROSSOVER_CC1_CC7 = 7U,
+	TEGRA_NVG_CHANNEL_CROSSOVER_CCP1_CCP3 = 8U,  /* obsoleted */
+	TEGRA_NVG_CHANNEL_CROSSOVER_CCP3_SC2 = 9U,  /* obsoleted */
+	TEGRA_NVG_CHANNEL_CROSSOVER_CCP3_SC3 = 10U,  /* obsoleted */
+	TEGRA_NVG_CHANNEL_CROSSOVER_CCP3_SC4 = 11U,  /* obsoleted */
+	TEGRA_NVG_CHANNEL_CROSSOVER_CCP3_SC7 = 12U,  /* obsoleted */
+	TEGRA_NVG_CHANNEL_CROSSOVER_SC0_SC7 = 12U,
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_CLEAR = 13U,
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_SC7_ENTRIES = 14U,
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_SC4_ENTRIES = 15U,  /* obsoleted */
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_SC3_ENTRIES = 16U,  /* obsoleted */
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_SC2_ENTRIES = 17U,  /* obsoleted */
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_CCP3_ENTRIES = 18U,  /* obsoleted */
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_A57_CC6_ENTRIES = 19U,
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_A57_CC7_ENTRIES = 20U,
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_D15_CC6_ENTRIES = 21U,
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_D15_CC7_ENTRIES = 22U,
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_D15_0_C6_ENTRIES = 23U,
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_D15_1_C6_ENTRIES = 24U,
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_D15_2_C6_ENTRIES = 25U, /* Reserved (for Denver15 core 2) */
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_D15_3_C6_ENTRIES = 26U, /* Reserved (for Denver15 core 3) */
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_D15_0_C7_ENTRIES = 27U,
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_D15_1_C7_ENTRIES = 28U,
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_D15_2_C7_ENTRIES = 29U, /* Reserved (for Denver15 core 2) */
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_D15_3_C7_ENTRIES = 30U, /*  Reserved (for Denver15 core 3) */
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_A57_0_C7_ENTRIES = 31U,
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_A57_1_C7_ENTRIES = 32U,
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_A57_2_C7_ENTRIES = 33U,
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_A57_3_C7_ENTRIES = 34U,
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_LAST_CSTATE_ENTRY_D15_0 = 35U,
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_LAST_CSTATE_ENTRY_D15_1 = 36U,
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_LAST_CSTATE_ENTRY_D15_2 = 37U, /* Reserved (for Denver15 core 2) */
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_LAST_CSTATE_ENTRY_D15_3 = 38U, /*  Reserved (for Denver15 core 3) */
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_LAST_CSTATE_ENTRY_A57_0 = 39U,
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_LAST_CSTATE_ENTRY_A57_1 = 40U,
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_LAST_CSTATE_ENTRY_A57_2 = 41U,
+	TEGRA_NVG_CHANNEL_CSTATE_STATS_LAST_CSTATE_ENTRY_A57_3 = 42U,
+	TEGRA_NVG_CHANNEL_IS_SC7_ALLOWED = 43U,
+	TEGRA_NVG_CHANNEL_ONLINE_CORE = 44U,
+	TEGRA_NVG_CHANNEL_CC3_CTRL = 45U,
+	TEGRA_NVG_CHANNEL_CROSSOVER_CCP3_SC1 = 46U,  /* obsoleted */
+	TEGRA_NVG_CHANNEL_LAST_INDEX,
+} tegra_nvg_channel_id_t;
+
+#endif /* T18X_ARI_H */
diff --git a/plat/nvidia/tegra/soc/t186/drivers/mce/aarch64/nvg_helpers.S b/plat/nvidia/tegra/soc/t186/drivers/mce/aarch64/nvg_helpers.S
new file mode 100644
index 0000000..e3591ce
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t186/drivers/mce/aarch64/nvg_helpers.S
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+
+	.globl	nvg_set_request_data
+	.globl	nvg_set_request
+	.globl	nvg_get_result
+
+/* void nvg_set_request_data(uint64_t req, uint64_t data) */
+func nvg_set_request_data
+	msr	s3_0_c15_c1_2, x0
+	msr	s3_0_c15_c1_3, x1
+	ret
+endfunc nvg_set_request_data
+
+/* void nvg_set_request(uint64_t req) */
+func nvg_set_request
+	msr	s3_0_c15_c1_2, x0
+	ret
+endfunc nvg_set_request
+
+/* uint64_t nvg_get_result(void) */
+func nvg_get_result
+	mrs	x0, s3_0_c15_c1_3
+	ret
+endfunc nvg_get_result
diff --git a/plat/nvidia/tegra/soc/t186/drivers/mce/ari.c b/plat/nvidia/tegra/soc/t186/drivers/mce/ari.c
new file mode 100644
index 0000000..a57bc11
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t186/drivers/mce/ari.c
@@ -0,0 +1,564 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <errno.h>
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <common/debug.h>
+#include <drivers/delay_timer.h>
+#include <denver.h>
+#include <lib/mmio.h>
+#include <plat/common/platform.h>
+
+#include <mce_private.h>
+#include <t18x_ari.h>
+
+/*******************************************************************************
+ * Register offsets for ARI request/results
+ ******************************************************************************/
+#define ARI_REQUEST			0x0U
+#define ARI_REQUEST_EVENT_MASK		0x4U
+#define ARI_STATUS			0x8U
+#define ARI_REQUEST_DATA_LO		0xCU
+#define ARI_REQUEST_DATA_HI		0x10U
+#define ARI_RESPONSE_DATA_LO		0x14U
+#define ARI_RESPONSE_DATA_HI		0x18U
+
+/* Status values for the current request */
+#define ARI_REQ_PENDING			1U
+#define ARI_REQ_ONGOING			3U
+#define ARI_REQUEST_VALID_BIT		(1U << 8)
+#define ARI_EVT_MASK_STANDBYWFI_BIT	(1U << 7)
+
+/* default timeout (us) to wait for ARI completion */
+#define ARI_MAX_RETRY_COUNT		U(2000000)
+
+/*******************************************************************************
+ * ARI helper functions
+ ******************************************************************************/
+static inline uint32_t ari_read_32(uint32_t ari_base, uint32_t reg)
+{
+	return mmio_read_32((uint64_t)ari_base + (uint64_t)reg);
+}
+
+static inline void ari_write_32(uint32_t ari_base, uint32_t val, uint32_t reg)
+{
+	mmio_write_32((uint64_t)ari_base + (uint64_t)reg, val);
+}
+
+static inline uint32_t ari_get_request_low(uint32_t ari_base)
+{
+	return ari_read_32(ari_base, ARI_REQUEST_DATA_LO);
+}
+
+static inline uint32_t ari_get_request_high(uint32_t ari_base)
+{
+	return ari_read_32(ari_base, ARI_REQUEST_DATA_HI);
+}
+
+static inline uint32_t ari_get_response_low(uint32_t ari_base)
+{
+	return ari_read_32(ari_base, ARI_RESPONSE_DATA_LO);
+}
+
+static inline uint32_t ari_get_response_high(uint32_t ari_base)
+{
+	return ari_read_32(ari_base, ARI_RESPONSE_DATA_HI);
+}
+
+static inline void ari_clobber_response(uint32_t ari_base)
+{
+	ari_write_32(ari_base, 0, ARI_RESPONSE_DATA_LO);
+	ari_write_32(ari_base, 0, ARI_RESPONSE_DATA_HI);
+}
+
+static int32_t ari_request_wait(uint32_t ari_base, uint32_t evt_mask, uint32_t req,
+		uint32_t lo, uint32_t hi)
+{
+	uint32_t retries = (uint32_t)ARI_MAX_RETRY_COUNT;
+	uint32_t status;
+	int32_t ret = 0;
+
+	/* program the request, event_mask, hi and lo registers */
+	ari_write_32(ari_base, lo, ARI_REQUEST_DATA_LO);
+	ari_write_32(ari_base, hi, ARI_REQUEST_DATA_HI);
+	ari_write_32(ari_base, evt_mask, ARI_REQUEST_EVENT_MASK);
+	ari_write_32(ari_base, req | ARI_REQUEST_VALID_BIT, ARI_REQUEST);
+
+	/*
+	 * For commands that have an event trigger, we should bypass
+	 * ARI_STATUS polling, since MCE is waiting for SW to trigger
+	 * the event.
+	 */
+	if (evt_mask != 0U) {
+		ret = 0;
+	} else {
+		/* For shutdown/reboot commands, we dont have to check for timeouts */
+		if ((req == TEGRA_ARI_MISC_CCPLEX) &&
+		    ((lo == TEGRA_ARI_MISC_CCPLEX_SHUTDOWN_POWER_OFF) ||
+		     (lo == TEGRA_ARI_MISC_CCPLEX_SHUTDOWN_REBOOT))) {
+				ret = 0;
+		} else {
+			/*
+			 * Wait for the command response for not more than the timeout
+			 */
+			while (retries != 0U) {
+
+				/* read the command status */
+				status = ari_read_32(ari_base, ARI_STATUS);
+				if ((status & (ARI_REQ_ONGOING | ARI_REQ_PENDING)) == 0U) {
+					break;
+				}
+
+				/* delay 1 us */
+				udelay(1);
+
+				/* decrement the retry count */
+				retries--;
+			}
+
+			/* assert if the command timed out */
+			if (retries == 0U) {
+				ERROR("ARI request timed out: req %d on CPU %d\n",
+					req, plat_my_core_pos());
+				assert(retries != 0U);
+			}
+		}
+	}
+
+	return ret;
+}
+
+int32_t ari_enter_cstate(uint32_t ari_base, uint32_t state, uint32_t wake_time)
+{
+	int32_t ret = 0;
+
+	/* check for allowed power state */
+	if ((state != TEGRA_ARI_CORE_C0) &&
+	    (state != TEGRA_ARI_CORE_C1) &&
+	    (state != TEGRA_ARI_CORE_C6) &&
+	    (state != TEGRA_ARI_CORE_C7)) {
+		ERROR("%s: unknown cstate (%d)\n", __func__, state);
+		ret = EINVAL;
+	} else {
+		/* clean the previous response state */
+		ari_clobber_response(ari_base);
+
+		/* Enter the cstate, to be woken up after wake_time (TSC ticks) */
+		ret = ari_request_wait(ari_base, ARI_EVT_MASK_STANDBYWFI_BIT,
+			(uint32_t)TEGRA_ARI_ENTER_CSTATE, state, wake_time);
+	}
+
+	return ret;
+}
+
+int32_t ari_update_cstate_info(uint32_t ari_base, uint32_t cluster, uint32_t ccplex,
+	uint32_t system, uint8_t sys_state_force, uint32_t wake_mask,
+	uint8_t update_wake_mask)
+{
+	uint64_t val = 0U;
+
+	/* clean the previous response state */
+	ari_clobber_response(ari_base);
+
+	/* update CLUSTER_CSTATE? */
+	if (cluster != 0U) {
+		val |= (cluster & CLUSTER_CSTATE_MASK) |
+			CLUSTER_CSTATE_UPDATE_BIT;
+	}
+
+	/* update CCPLEX_CSTATE? */
+	if (ccplex != 0U) {
+		val |= ((ccplex & CCPLEX_CSTATE_MASK) << CCPLEX_CSTATE_SHIFT) |
+			CCPLEX_CSTATE_UPDATE_BIT;
+	}
+
+	/* update SYSTEM_CSTATE? */
+	if (system != 0U) {
+		val |= ((system & SYSTEM_CSTATE_MASK) << SYSTEM_CSTATE_SHIFT) |
+		       (((uint64_t)sys_state_force << SYSTEM_CSTATE_FORCE_UPDATE_SHIFT) |
+			SYSTEM_CSTATE_UPDATE_BIT);
+	}
+
+	/* update wake mask value? */
+	if (update_wake_mask != 0U) {
+		val |= CSTATE_WAKE_MASK_UPDATE_BIT;
+	}
+
+	/* set the updated cstate info */
+	return ari_request_wait(ari_base, 0U, (uint32_t)TEGRA_ARI_UPDATE_CSTATE_INFO,
+				(uint32_t)val, wake_mask);
+}
+
+int32_t ari_update_crossover_time(uint32_t ari_base, uint32_t type, uint32_t time)
+{
+	int32_t ret = 0;
+
+	/* sanity check crossover type */
+	if ((type == TEGRA_ARI_CROSSOVER_C1_C6) ||
+	    (type > TEGRA_ARI_CROSSOVER_CCP3_SC1)) {
+		ret = EINVAL;
+	} else {
+		/* clean the previous response state */
+		ari_clobber_response(ari_base);
+
+		/* update crossover threshold time */
+		ret = ari_request_wait(ari_base, 0U,
+				(uint32_t)TEGRA_ARI_UPDATE_CROSSOVER, type, time);
+	}
+
+	return ret;
+}
+
+uint64_t ari_read_cstate_stats(uint32_t ari_base, uint32_t state)
+{
+	int32_t ret;
+	uint64_t result;
+
+	/* sanity check crossover type */
+	if (state == 0U) {
+		result = EINVAL;
+	} else {
+		/* clean the previous response state */
+		ari_clobber_response(ari_base);
+
+		ret = ari_request_wait(ari_base, 0U,
+				(uint32_t)TEGRA_ARI_CSTATE_STATS, state, 0U);
+		if (ret != 0) {
+			result = EINVAL;
+		} else {
+			result = (uint64_t)ari_get_response_low(ari_base);
+		}
+	}
+	return result;
+}
+
+int32_t ari_write_cstate_stats(uint32_t ari_base, uint32_t state, uint32_t stats)
+{
+	/* clean the previous response state */
+	ari_clobber_response(ari_base);
+
+	/* write the cstate stats */
+	return ari_request_wait(ari_base, 0U, (uint32_t)TEGRA_ARI_WRITE_CSTATE_STATS,
+			state, stats);
+}
+
+uint64_t ari_enumeration_misc(uint32_t ari_base, uint32_t cmd, uint32_t data)
+{
+	uint64_t resp;
+	int32_t ret;
+	uint32_t local_data = data;
+
+	/* clean the previous response state */
+	ari_clobber_response(ari_base);
+
+	/* ARI_REQUEST_DATA_HI is reserved for commands other than 'ECHO' */
+	if (cmd != TEGRA_ARI_MISC_ECHO) {
+		local_data = 0U;
+	}
+
+	ret = ari_request_wait(ari_base, 0U, (uint32_t)TEGRA_ARI_MISC, cmd, local_data);
+	if (ret != 0) {
+		resp = (uint64_t)ret;
+	} else {
+		/* get the command response */
+		resp = ari_get_response_low(ari_base);
+		resp |= ((uint64_t)ari_get_response_high(ari_base) << 32);
+	}
+
+	return resp;
+}
+
+int32_t ari_is_ccx_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time)
+{
+	int32_t ret;
+	uint32_t result;
+
+	/* clean the previous response state */
+	ari_clobber_response(ari_base);
+
+	ret = ari_request_wait(ari_base, 0U, (uint32_t)TEGRA_ARI_IS_CCX_ALLOWED,
+			state & 0x7U, wake_time);
+	if (ret != 0) {
+		ERROR("%s: failed (%d)\n", __func__, ret);
+		result = 0U;
+	} else {
+		result = ari_get_response_low(ari_base) & 0x1U;
+	}
+
+	/* 1 = CCx allowed, 0 = CCx not allowed */
+	return (int32_t)result;
+}
+
+int32_t ari_is_sc7_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time)
+{
+	int32_t ret, result;
+
+	/* check for allowed power state */
+	if ((state != TEGRA_ARI_CORE_C0) && (state != TEGRA_ARI_CORE_C1) &&
+	    (state != TEGRA_ARI_CORE_C6) && (state != TEGRA_ARI_CORE_C7)) {
+		ERROR("%s: unknown cstate (%d)\n", __func__, state);
+		result = EINVAL;
+	} else {
+		/* clean the previous response state */
+		ari_clobber_response(ari_base);
+
+		ret = ari_request_wait(ari_base, 0U,
+			(uint32_t)TEGRA_ARI_IS_SC7_ALLOWED, state, wake_time);
+		if (ret != 0) {
+			ERROR("%s: failed (%d)\n", __func__, ret);
+			result = 0;
+		} else {
+			/* 1 = SC7 allowed, 0 = SC7 not allowed */
+			result = (ari_get_response_low(ari_base) != 0U) ? 1 : 0;
+		}
+	}
+
+	return result;
+}
+
+int32_t ari_online_core(uint32_t ari_base, uint32_t core)
+{
+	uint64_t cpu = read_mpidr() & (MPIDR_CPU_MASK);
+	uint64_t cluster = (read_mpidr() & (MPIDR_CLUSTER_MASK)) >>
+			   (MPIDR_AFFINITY_BITS);
+	uint64_t impl = (read_midr() >> MIDR_IMPL_SHIFT) & MIDR_IMPL_MASK;
+	int32_t ret;
+
+	/* construct the current CPU # */
+	cpu |= (cluster << 2);
+
+	/* sanity check target core id */
+	if ((core >= MCE_CORE_ID_MAX) || (cpu == (uint64_t)core)) {
+		ERROR("%s: unsupported core id (%d)\n", __func__, core);
+		ret = EINVAL;
+	} else {
+		/*
+		 * The Denver cluster has 2 CPUs only - 0, 1.
+		 */
+		if ((impl == DENVER_IMPL) && ((core == 2U) || (core == 3U))) {
+			ERROR("%s: unknown core id (%d)\n", __func__, core);
+			ret = EINVAL;
+		} else {
+			/* clean the previous response state */
+			ari_clobber_response(ari_base);
+			ret = ari_request_wait(ari_base, 0U,
+				(uint32_t)TEGRA_ARI_ONLINE_CORE, core, 0U);
+		}
+	}
+
+	return ret;
+}
+
+int32_t ari_cc3_ctrl(uint32_t ari_base, uint32_t freq, uint32_t volt, uint8_t enable)
+{
+	uint32_t val;
+
+	/* clean the previous response state */
+	ari_clobber_response(ari_base);
+
+	/*
+	 * If the enable bit is cleared, Auto-CC3 will be disabled by setting
+	 * the SW visible voltage/frequency request registers for all non
+	 * floorswept cores valid independent of StandbyWFI and disabling
+	 * the IDLE voltage/frequency request register. If set, Auto-CC3
+	 * will be enabled by setting the ARM SW visible voltage/frequency
+	 * request registers for all non floorswept cores to be enabled by
+	 * StandbyWFI or the equivalent signal, and always keeping the IDLE
+	 * voltage/frequency request register enabled.
+	 */
+	val = (((freq & MCE_AUTO_CC3_FREQ_MASK) << MCE_AUTO_CC3_FREQ_SHIFT) |\
+		((volt & MCE_AUTO_CC3_VTG_MASK) << MCE_AUTO_CC3_VTG_SHIFT) |\
+		((enable != 0U) ? MCE_AUTO_CC3_ENABLE_BIT : 0U));
+
+	return ari_request_wait(ari_base, 0U,
+			(uint32_t)TEGRA_ARI_CC3_CTRL, val, 0U);
+}
+
+int32_t ari_reset_vector_update(uint32_t ari_base)
+{
+	/* clean the previous response state */
+	ari_clobber_response(ari_base);
+
+	/*
+	 * Need to program the CPU reset vector one time during cold boot
+	 * and SC7 exit
+	 */
+	(void)ari_request_wait(ari_base, 0U,
+			(uint32_t)TEGRA_ARI_COPY_MISCREG_AA64_RST, 0U, 0U);
+
+	return 0;
+}
+
+int32_t ari_roc_flush_cache_trbits(uint32_t ari_base)
+{
+	/* clean the previous response state */
+	ari_clobber_response(ari_base);
+
+	return ari_request_wait(ari_base, 0U,
+			(uint32_t)TEGRA_ARI_ROC_FLUSH_CACHE_TRBITS, 0U, 0U);
+}
+
+int32_t ari_roc_flush_cache(uint32_t ari_base)
+{
+	/* clean the previous response state */
+	ari_clobber_response(ari_base);
+
+	return ari_request_wait(ari_base, 0U,
+			(uint32_t)TEGRA_ARI_ROC_FLUSH_CACHE_ONLY, 0U, 0U);
+}
+
+int32_t ari_roc_clean_cache(uint32_t ari_base)
+{
+	/* clean the previous response state */
+	ari_clobber_response(ari_base);
+
+	return ari_request_wait(ari_base, 0U,
+			(uint32_t)TEGRA_ARI_ROC_CLEAN_CACHE_ONLY, 0U, 0U);
+}
+
+uint64_t ari_read_write_mca(uint32_t ari_base, uint64_t cmd, uint64_t *data)
+{
+	uint64_t mca_arg_data, result = 0;
+	uint32_t resp_lo, resp_hi;
+	uint32_t mca_arg_err, mca_arg_finish;
+	int32_t ret;
+
+	/* Set data (write) */
+	mca_arg_data = (data != NULL) ? *data : 0ULL;
+
+	/* Set command */
+	ari_write_32(ari_base, (uint32_t)cmd, ARI_RESPONSE_DATA_LO);
+	ari_write_32(ari_base, (uint32_t)(cmd >> 32U), ARI_RESPONSE_DATA_HI);
+
+	ret = ari_request_wait(ari_base, 0U, (uint32_t)TEGRA_ARI_MCA,
+			       (uint32_t)mca_arg_data,
+			       (uint32_t)(mca_arg_data >> 32U));
+	if (ret == 0) {
+		resp_lo = ari_get_response_low(ari_base);
+		resp_hi = ari_get_response_high(ari_base);
+
+		mca_arg_err = resp_lo & MCA_ARG_ERROR_MASK;
+		mca_arg_finish = (resp_hi >> MCA_ARG_FINISH_SHIFT) &
+				 MCA_ARG_FINISH_MASK;
+
+		if (mca_arg_finish == 0U) {
+			result = (uint64_t)mca_arg_err;
+		} else {
+			if (data != NULL) {
+				resp_lo = ari_get_request_low(ari_base);
+				resp_hi = ari_get_request_high(ari_base);
+				*data = ((uint64_t)resp_hi << 32U) |
+					 (uint64_t)resp_lo;
+			}
+		}
+	}
+
+	return result;
+}
+
+int32_t ari_update_ccplex_gsc(uint32_t ari_base, uint32_t gsc_idx)
+{
+	int32_t ret = 0;
+	/* sanity check GSC ID */
+	if (gsc_idx > TEGRA_ARI_GSC_VPR_IDX) {
+		ret = EINVAL;
+	} else {
+		/* clean the previous response state */
+		ari_clobber_response(ari_base);
+
+		/*
+		 * The MCE code will read the GSC carveout value, corrseponding to
+		 * the ID, from the MC registers and update the internal GSC registers
+		 * of the CCPLEX.
+		 */
+		(void)ari_request_wait(ari_base, 0U,
+				(uint32_t)TEGRA_ARI_UPDATE_CCPLEX_GSC, gsc_idx, 0U);
+	}
+
+	return ret;
+}
+
+void ari_enter_ccplex_state(uint32_t ari_base, uint32_t state_idx)
+{
+	/* clean the previous response state */
+	ari_clobber_response(ari_base);
+
+	/*
+	 * The MCE will shutdown or restart the entire system
+	 */
+	(void)ari_request_wait(ari_base, 0U,
+			(uint32_t)TEGRA_ARI_MISC_CCPLEX, state_idx, 0U);
+}
+
+int32_t ari_read_write_uncore_perfmon(uint32_t ari_base, uint64_t req,
+		uint64_t *data)
+{
+	int32_t ret, result;
+	uint32_t val, req_status;
+	uint8_t req_cmd;
+
+	req_cmd = (uint8_t)(req & UNCORE_PERFMON_CMD_MASK);
+
+	/* clean the previous response state */
+	ari_clobber_response(ari_base);
+
+	/* sanity check input parameters */
+	if ((req_cmd == UNCORE_PERFMON_CMD_READ) && (data == NULL)) {
+		ERROR("invalid parameters\n");
+		result = EINVAL;
+	} else {
+		/*
+		 * For "write" commands get the value that has to be written
+		 * to the uncore perfmon registers
+		 */
+		val = (req_cmd == UNCORE_PERFMON_CMD_WRITE) ?
+			(uint32_t)*data : 0U;
+
+		ret = ari_request_wait(ari_base, 0U,
+			(uint32_t)TEGRA_ARI_PERFMON, val, (uint32_t)req);
+		if (ret != 0) {
+			result = ret;
+		} else {
+			/* read the command status value */
+			req_status = ari_get_response_high(ari_base) &
+					 UNCORE_PERFMON_RESP_STATUS_MASK;
+
+			/*
+			 * For "read" commands get the data from the uncore
+			 * perfmon registers
+			 */
+			req_status &= UNCORE_PERFMON_RESP_STATUS_MASK;
+			if ((req_status == 0U) && (req_cmd == UNCORE_PERFMON_CMD_READ)) {
+				*data = ari_get_response_low(ari_base);
+			}
+			result = (int32_t)req_status;
+		}
+	}
+
+	return result;
+}
+
+void ari_misc_ccplex(uint32_t ari_base, uint32_t index, uint32_t value)
+{
+	/*
+	 * This invokes the ARI_MISC_CCPLEX commands. This can be
+	 * used to enable/disable coresight clock gating.
+	 */
+
+	if ((index > TEGRA_ARI_MISC_CCPLEX_EDBGREQ) ||
+		((index == TEGRA_ARI_MISC_CCPLEX_CORESIGHT_CG_CTRL) &&
+		(value > 1U))) {
+		ERROR("%s: invalid parameters \n", __func__);
+	} else {
+		/* clean the previous response state */
+		ari_clobber_response(ari_base);
+		(void)ari_request_wait(ari_base, 0U,
+			(uint32_t)TEGRA_ARI_MISC_CCPLEX, index, value);
+	}
+}
diff --git a/plat/nvidia/tegra/soc/t186/drivers/mce/mce.c b/plat/nvidia/tegra/soc/t186/drivers/mce/mce.c
new file mode 100644
index 0000000..aebaceb
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t186/drivers/mce/mce.c
@@ -0,0 +1,476 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <stdint.h>
+#include <string.h>
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <context.h>
+#include <denver.h>
+#include <lib/el3_runtime/context_mgmt.h>
+#include <lib/mmio.h>
+
+#include <mce.h>
+#include <mce_private.h>
+#include <t18x_ari.h>
+#include <tegra_def.h>
+#include <tegra_platform.h>
+
+/* NVG functions handlers */
+static arch_mce_ops_t nvg_mce_ops = {
+	.enter_cstate = nvg_enter_cstate,
+	.update_cstate_info = nvg_update_cstate_info,
+	.update_crossover_time = nvg_update_crossover_time,
+	.read_cstate_stats = nvg_read_cstate_stats,
+	.write_cstate_stats = nvg_write_cstate_stats,
+	.call_enum_misc = ari_enumeration_misc,
+	.is_ccx_allowed = nvg_is_ccx_allowed,
+	.is_sc7_allowed = nvg_is_sc7_allowed,
+	.online_core = nvg_online_core,
+	.cc3_ctrl = nvg_cc3_ctrl,
+	.update_reset_vector = ari_reset_vector_update,
+	.roc_flush_cache = ari_roc_flush_cache,
+	.roc_flush_cache_trbits = ari_roc_flush_cache_trbits,
+	.roc_clean_cache = ari_roc_clean_cache,
+	.read_write_mca = ari_read_write_mca,
+	.update_ccplex_gsc = ari_update_ccplex_gsc,
+	.enter_ccplex_state = ari_enter_ccplex_state,
+	.read_write_uncore_perfmon = ari_read_write_uncore_perfmon,
+	.misc_ccplex = ari_misc_ccplex
+};
+
+/* ARI functions handlers */
+static arch_mce_ops_t ari_mce_ops = {
+	.enter_cstate = ari_enter_cstate,
+	.update_cstate_info = ari_update_cstate_info,
+	.update_crossover_time = ari_update_crossover_time,
+	.read_cstate_stats = ari_read_cstate_stats,
+	.write_cstate_stats = ari_write_cstate_stats,
+	.call_enum_misc = ari_enumeration_misc,
+	.is_ccx_allowed = ari_is_ccx_allowed,
+	.is_sc7_allowed = ari_is_sc7_allowed,
+	.online_core = ari_online_core,
+	.cc3_ctrl = ari_cc3_ctrl,
+	.update_reset_vector = ari_reset_vector_update,
+	.roc_flush_cache = ari_roc_flush_cache,
+	.roc_flush_cache_trbits = ari_roc_flush_cache_trbits,
+	.roc_clean_cache = ari_roc_clean_cache,
+	.read_write_mca = ari_read_write_mca,
+	.update_ccplex_gsc = ari_update_ccplex_gsc,
+	.enter_ccplex_state = ari_enter_ccplex_state,
+	.read_write_uncore_perfmon = ari_read_write_uncore_perfmon,
+	.misc_ccplex = ari_misc_ccplex
+};
+
+typedef struct {
+	uint32_t ari_base;
+	arch_mce_ops_t *ops;
+} mce_config_t;
+
+/* Table to hold the per-CPU ARI base address and function handlers */
+static mce_config_t mce_cfg_table[MCE_ARI_APERTURES_MAX] = {
+	{
+		/* A57 Core 0 */
+		.ari_base = TEGRA_MMCRAB_BASE + MCE_ARI_APERTURE_0_OFFSET,
+		.ops = &ari_mce_ops,
+	},
+	{
+		/* A57 Core 1 */
+		.ari_base = TEGRA_MMCRAB_BASE + MCE_ARI_APERTURE_1_OFFSET,
+		.ops = &ari_mce_ops,
+	},
+	{
+		/* A57 Core 2 */
+		.ari_base = TEGRA_MMCRAB_BASE + MCE_ARI_APERTURE_2_OFFSET,
+		.ops = &ari_mce_ops,
+	},
+	{
+		/* A57 Core 3 */
+		.ari_base = TEGRA_MMCRAB_BASE + MCE_ARI_APERTURE_3_OFFSET,
+		.ops = &ari_mce_ops,
+	},
+	{
+		/* D15 Core 0 */
+		.ari_base = TEGRA_MMCRAB_BASE + MCE_ARI_APERTURE_4_OFFSET,
+		.ops = &nvg_mce_ops,
+	},
+	{
+		/* D15 Core 1 */
+		.ari_base = TEGRA_MMCRAB_BASE + MCE_ARI_APERTURE_5_OFFSET,
+		.ops = &nvg_mce_ops,
+	}
+};
+
+static uint32_t mce_get_curr_cpu_ari_base(void)
+{
+	uint64_t mpidr = read_mpidr();
+	uint64_t cpuid = mpidr & MPIDR_CPU_MASK;
+	uint64_t impl = (read_midr() >> MIDR_IMPL_SHIFT) & MIDR_IMPL_MASK;
+
+	/*
+	 * T186 has 2 CPU clusters, one with Denver CPUs and the other with
+	 * ARM CortexA-57 CPUs. Each cluster consists of 4 CPUs and the CPU
+	 * numbers start from 0. In order to get the proper arch_mce_ops_t
+	 * struct, we have to convert the Denver CPU ids to the corresponding
+	 * indices in the mce_ops_table array.
+	 */
+	if (impl == DENVER_IMPL) {
+		cpuid |= 0x4U;
+	}
+
+	return mce_cfg_table[cpuid].ari_base;
+}
+
+static arch_mce_ops_t *mce_get_curr_cpu_ops(void)
+{
+	uint64_t mpidr = read_mpidr();
+	uint64_t cpuid = mpidr & MPIDR_CPU_MASK;
+	uint64_t impl = (read_midr() >> MIDR_IMPL_SHIFT) &
+			MIDR_IMPL_MASK;
+
+	/*
+	 * T186 has 2 CPU clusters, one with Denver CPUs and the other with
+	 * ARM CortexA-57 CPUs. Each cluster consists of 4 CPUs and the CPU
+	 * numbers start from 0. In order to get the proper arch_mce_ops_t
+	 * struct, we have to convert the Denver CPU ids to the corresponding
+	 * indices in the mce_ops_table array.
+	 */
+	if (impl == DENVER_IMPL) {
+		cpuid |= 0x4U;
+	}
+
+	return mce_cfg_table[cpuid].ops;
+}
+
+/*******************************************************************************
+ * Common handler for all MCE commands
+ ******************************************************************************/
+int32_t mce_command_handler(uint64_t cmd, uint64_t arg0, uint64_t arg1,
+			uint64_t arg2)
+{
+	const arch_mce_ops_t *ops;
+	gp_regs_t *gp_regs = get_gpregs_ctx(cm_get_context(NON_SECURE));
+	uint32_t cpu_ari_base;
+	uint64_t ret64 = 0, arg3, arg4, arg5;
+	int32_t ret = 0;
+
+	assert(gp_regs != NULL);
+
+	/* get a pointer to the CPU's arch_mce_ops_t struct */
+	ops = mce_get_curr_cpu_ops();
+
+	/* get the CPU's ARI base address */
+	cpu_ari_base = mce_get_curr_cpu_ari_base();
+
+	switch (cmd) {
+	case (uint64_t)MCE_CMD_ENTER_CSTATE:
+		ret = ops->enter_cstate(cpu_ari_base, arg0, arg1);
+
+		break;
+
+	case (uint64_t)MCE_CMD_UPDATE_CSTATE_INFO:
+		/*
+		 * get the parameters required for the update cstate info
+		 * command
+		 */
+		arg3 = read_ctx_reg(gp_regs, CTX_GPREG_X4);
+		arg4 = read_ctx_reg(gp_regs, CTX_GPREG_X5);
+		arg5 = read_ctx_reg(gp_regs, CTX_GPREG_X6);
+
+		ret = ops->update_cstate_info(cpu_ari_base, (uint32_t)arg0,
+				(uint32_t)arg1, (uint32_t)arg2, (uint8_t)arg3,
+				(uint32_t)arg4, (uint8_t)arg5);
+
+		write_ctx_reg(gp_regs, CTX_GPREG_X4, (0ULL));
+		write_ctx_reg(gp_regs, CTX_GPREG_X5, (0ULL));
+		write_ctx_reg(gp_regs, CTX_GPREG_X6, (0ULL));
+
+		break;
+
+	case (uint64_t)MCE_CMD_UPDATE_CROSSOVER_TIME:
+		ret = ops->update_crossover_time(cpu_ari_base, arg0, arg1);
+
+		break;
+
+	case (uint64_t)MCE_CMD_READ_CSTATE_STATS:
+		ret64 = ops->read_cstate_stats(cpu_ari_base, arg0);
+
+		/* update context to return cstate stats value */
+		write_ctx_reg(gp_regs, CTX_GPREG_X1, (ret64));
+		write_ctx_reg(gp_regs, CTX_GPREG_X2, (ret64));
+
+		break;
+
+	case (uint64_t)MCE_CMD_WRITE_CSTATE_STATS:
+		ret = ops->write_cstate_stats(cpu_ari_base, arg0, arg1);
+
+		break;
+
+	case (uint64_t)MCE_CMD_IS_CCX_ALLOWED:
+		ret = ops->is_ccx_allowed(cpu_ari_base, arg0, arg1);
+
+		/* update context to return CCx status value */
+		write_ctx_reg(gp_regs, CTX_GPREG_X1, (uint64_t)(ret));
+
+		break;
+
+	case (uint64_t)MCE_CMD_IS_SC7_ALLOWED:
+		ret = ops->is_sc7_allowed(cpu_ari_base, arg0, arg1);
+
+		/* update context to return SC7 status value */
+		write_ctx_reg(gp_regs, CTX_GPREG_X1, (uint64_t)(ret));
+		write_ctx_reg(gp_regs, CTX_GPREG_X3, (uint64_t)(ret));
+
+		break;
+
+	case (uint64_t)MCE_CMD_ONLINE_CORE:
+		ret = ops->online_core(cpu_ari_base, arg0);
+
+		break;
+
+	case (uint64_t)MCE_CMD_CC3_CTRL:
+		ret = ops->cc3_ctrl(cpu_ari_base, arg0, arg1, arg2);
+
+		break;
+
+	case (uint64_t)MCE_CMD_ECHO_DATA:
+		ret64 = ops->call_enum_misc(cpu_ari_base, TEGRA_ARI_MISC_ECHO,
+				arg0);
+
+		/* update context to return if echo'd data matched source */
+		write_ctx_reg(gp_regs, CTX_GPREG_X1, ((ret64 == arg0) ?
+			      1ULL : 0ULL));
+		write_ctx_reg(gp_regs, CTX_GPREG_X2, ((ret64 == arg0) ?
+			      1ULL : 0ULL));
+
+		break;
+
+	case (uint64_t)MCE_CMD_READ_VERSIONS:
+		ret64 = ops->call_enum_misc(cpu_ari_base, TEGRA_ARI_MISC_VERSION,
+			arg0);
+
+		/*
+		 * version = minor(63:32) | major(31:0). Update context
+		 * to return major and minor version number.
+		 */
+		write_ctx_reg(gp_regs, CTX_GPREG_X1, (ret64));
+		write_ctx_reg(gp_regs, CTX_GPREG_X2, (ret64 >> 32ULL));
+
+		break;
+
+	case (uint64_t)MCE_CMD_ENUM_FEATURES:
+		ret64 = ops->call_enum_misc(cpu_ari_base,
+				TEGRA_ARI_MISC_FEATURE_LEAF_0, arg0);
+
+		/* update context to return features value */
+		write_ctx_reg(gp_regs, CTX_GPREG_X1, (ret64));
+
+		break;
+
+	case (uint64_t)MCE_CMD_ROC_FLUSH_CACHE_TRBITS:
+		ret = ops->roc_flush_cache_trbits(cpu_ari_base);
+
+		break;
+
+	case (uint64_t)MCE_CMD_ROC_FLUSH_CACHE:
+		ret = ops->roc_flush_cache(cpu_ari_base);
+
+		break;
+
+	case (uint64_t)MCE_CMD_ROC_CLEAN_CACHE:
+		ret = ops->roc_clean_cache(cpu_ari_base);
+
+		break;
+
+	case (uint64_t)MCE_CMD_ENUM_READ_MCA:
+		ret64 = ops->read_write_mca(cpu_ari_base, arg0, &arg1);
+
+		/* update context to return MCA data/error */
+		write_ctx_reg(gp_regs, CTX_GPREG_X1, (ret64));
+		write_ctx_reg(gp_regs, CTX_GPREG_X2, (arg1));
+		write_ctx_reg(gp_regs, CTX_GPREG_X3, (ret64));
+
+		break;
+
+	case (uint64_t)MCE_CMD_ENUM_WRITE_MCA:
+		ret64 = ops->read_write_mca(cpu_ari_base, arg0, &arg1);
+
+		/* update context to return MCA error */
+		write_ctx_reg(gp_regs, CTX_GPREG_X1, (ret64));
+		write_ctx_reg(gp_regs, CTX_GPREG_X3, (ret64));
+
+		break;
+
+#if ENABLE_CHIP_VERIFICATION_HARNESS
+	case (uint64_t)MCE_CMD_ENABLE_LATIC:
+		/*
+		 * This call is not for production use. The constant value,
+		 * 0xFFFF0000, is specific to allowing for enabling LATIC on
+		 * pre-production parts for the chip verification harness.
+		 *
+		 * Enabling LATIC allows S/W to read the MINI ISPs in the
+		 * CCPLEX. The ISMs are used for various measurements relevant
+		 * to particular locations in the Silicon. They are small
+		 * counters which can be polled to determine how fast a
+		 * particular location in the Silicon is.
+		 */
+		ops->enter_ccplex_state(mce_get_curr_cpu_ari_base(),
+			0xFFFF0000);
+
+		break;
+#endif
+
+	case (uint64_t)MCE_CMD_UNCORE_PERFMON_REQ:
+		ret = ops->read_write_uncore_perfmon(cpu_ari_base, arg0, &arg1);
+
+		/* update context to return data */
+		write_ctx_reg(gp_regs, CTX_GPREG_X1, (arg1));
+		break;
+
+	case (uint64_t)MCE_CMD_MISC_CCPLEX:
+		ops->misc_ccplex(cpu_ari_base, arg0, arg1);
+
+		break;
+
+	default:
+		ERROR("unknown MCE command (%" PRIu64 ")\n", cmd);
+		ret = EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+/*******************************************************************************
+ * Handler to update the reset vector for CPUs
+ ******************************************************************************/
+int32_t mce_update_reset_vector(void)
+{
+	const arch_mce_ops_t *ops = mce_get_curr_cpu_ops();
+
+	ops->update_reset_vector(mce_get_curr_cpu_ari_base());
+
+	return 0;
+}
+
+static int32_t mce_update_ccplex_gsc(tegra_ari_gsc_index_t gsc_idx)
+{
+	const arch_mce_ops_t *ops = mce_get_curr_cpu_ops();
+
+	ops->update_ccplex_gsc(mce_get_curr_cpu_ari_base(), gsc_idx);
+
+	return 0;
+}
+
+/*******************************************************************************
+ * Handler to update carveout values for Video Memory Carveout region
+ ******************************************************************************/
+int32_t mce_update_gsc_videomem(void)
+{
+	return mce_update_ccplex_gsc(TEGRA_ARI_GSC_VPR_IDX);
+}
+
+/*******************************************************************************
+ * Handler to update carveout values for TZDRAM aperture
+ ******************************************************************************/
+int32_t mce_update_gsc_tzdram(void)
+{
+	return mce_update_ccplex_gsc(TEGRA_ARI_GSC_TZ_DRAM_IDX);
+}
+
+/*******************************************************************************
+ * Handler to shutdown/reset the entire system
+ ******************************************************************************/
+__dead2 void mce_enter_ccplex_state(uint32_t state_idx)
+{
+	const arch_mce_ops_t *ops = mce_get_curr_cpu_ops();
+
+	/* sanity check state value */
+	if ((state_idx != TEGRA_ARI_MISC_CCPLEX_SHUTDOWN_POWER_OFF) &&
+	    (state_idx != TEGRA_ARI_MISC_CCPLEX_SHUTDOWN_REBOOT)) {
+		panic();
+	}
+
+	ops->enter_ccplex_state(mce_get_curr_cpu_ari_base(), state_idx);
+
+	/* wait till the CCPLEX powers down */
+	for (;;) {
+		;
+	}
+
+}
+
+/*******************************************************************************
+ * Handler to issue the UPDATE_CSTATE_INFO request
+ ******************************************************************************/
+void mce_update_cstate_info(const mce_cstate_info_t *cstate)
+{
+	const arch_mce_ops_t *ops = mce_get_curr_cpu_ops();
+
+	/* issue the UPDATE_CSTATE_INFO request */
+	ops->update_cstate_info(mce_get_curr_cpu_ari_base(), cstate->cluster,
+		cstate->ccplex, cstate->system, cstate->system_state_force,
+		cstate->wake_mask, cstate->update_wake_mask);
+}
+
+/*******************************************************************************
+ * Handler to read the MCE firmware version and check if it is compatible
+ * with interface header the BL3-1 was compiled against
+ ******************************************************************************/
+void mce_verify_firmware_version(void)
+{
+	const arch_mce_ops_t *ops;
+	uint32_t cpu_ari_base;
+	uint64_t version;
+	uint32_t major, minor;
+
+	/*
+	 * MCE firmware is not supported on simulation platforms.
+	 */
+	if (tegra_platform_is_emulation()) {
+
+		INFO("MCE firmware is not supported\n");
+
+	} else {
+		/* get a pointer to the CPU's arch_mce_ops_t struct */
+		ops = mce_get_curr_cpu_ops();
+
+		/* get the CPU's ARI base address */
+		cpu_ari_base = mce_get_curr_cpu_ari_base();
+
+		/*
+		 * Read the MCE firmware version and extract the major and minor
+		 * version fields
+		 */
+		version = ops->call_enum_misc(cpu_ari_base, TEGRA_ARI_MISC_VERSION, 0);
+		major = (uint32_t)version;
+		minor = (uint32_t)(version >> 32);
+
+		INFO("MCE Version - HW=%d:%d, SW=%d:%d\n", major, minor,
+			TEGRA_ARI_VERSION_MAJOR, TEGRA_ARI_VERSION_MINOR);
+
+		/*
+		 * Verify that the MCE firmware version and the interface header
+		 * match
+		 */
+		if (major != TEGRA_ARI_VERSION_MAJOR) {
+			ERROR("ARI major version mismatch\n");
+			panic();
+		}
+
+		if (minor < TEGRA_ARI_VERSION_MINOR) {
+			ERROR("ARI minor version mismatch\n");
+			panic();
+		}
+	}
+}
diff --git a/plat/nvidia/tegra/soc/t186/drivers/mce/nvg.c b/plat/nvidia/tegra/soc/t186/drivers/mce/nvg.c
new file mode 100644
index 0000000..cbc9aa3
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t186/drivers/mce/nvg.c
@@ -0,0 +1,256 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <errno.h>
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <common/debug.h>
+#include <denver.h>
+#include <lib/mmio.h>
+
+#include <mce_private.h>
+#include <t18x_ari.h>
+#include <tegra_private.h>
+
+int32_t nvg_enter_cstate(uint32_t ari_base, uint32_t state, uint32_t wake_time)
+{
+	int32_t ret = 0;
+	uint64_t val = 0ULL;
+
+	(void)ari_base;
+
+	/* check for allowed power state */
+	if ((state != TEGRA_ARI_CORE_C0) && (state != TEGRA_ARI_CORE_C1) &&
+	    (state != TEGRA_ARI_CORE_C6) && (state != TEGRA_ARI_CORE_C7)) {
+		ERROR("%s: unknown cstate (%d)\n", __func__, state);
+		ret = EINVAL;
+	} else {
+		/* time (TSC ticks) until the core is expected to get a wake event */
+		nvg_set_request_data((uint64_t)TEGRA_NVG_CHANNEL_WAKE_TIME, wake_time);
+
+		/* set the core cstate */
+		val = read_actlr_el1() & ~ACTLR_EL1_PMSTATE_MASK;
+		write_actlr_el1(val | (uint64_t)state);
+	}
+
+	return ret;
+}
+
+/*
+ * This request allows updating of CLUSTER_CSTATE, CCPLEX_CSTATE and
+ * SYSTEM_CSTATE values.
+ */
+int32_t nvg_update_cstate_info(uint32_t ari_base, uint32_t cluster, uint32_t ccplex,
+		uint32_t system, uint8_t sys_state_force, uint32_t wake_mask,
+		uint8_t update_wake_mask)
+{
+	uint64_t val = 0ULL;
+
+	(void)ari_base;
+
+	/* update CLUSTER_CSTATE? */
+	if (cluster != 0U) {
+		val |= ((uint64_t)cluster & CLUSTER_CSTATE_MASK) |
+			CLUSTER_CSTATE_UPDATE_BIT;
+	}
+
+	/* update CCPLEX_CSTATE? */
+	if (ccplex != 0U) {
+		val |= (((uint64_t)ccplex & CCPLEX_CSTATE_MASK) << CCPLEX_CSTATE_SHIFT) |
+			CCPLEX_CSTATE_UPDATE_BIT;
+	}
+
+	/* update SYSTEM_CSTATE? */
+	if (system != 0U) {
+		val |= (((uint64_t)system & SYSTEM_CSTATE_MASK) << SYSTEM_CSTATE_SHIFT) |
+		       (((uint64_t)sys_state_force << SYSTEM_CSTATE_FORCE_UPDATE_SHIFT) |
+			SYSTEM_CSTATE_UPDATE_BIT);
+	}
+
+	/* update wake mask value? */
+	if (update_wake_mask != 0U) {
+		val |= CSTATE_WAKE_MASK_UPDATE_BIT;
+	}
+
+	/* set the wake mask */
+	val &= CSTATE_WAKE_MASK_CLEAR;
+	val |= ((uint64_t)wake_mask << CSTATE_WAKE_MASK_SHIFT);
+
+	/* set the updated cstate info */
+	nvg_set_request_data((uint64_t)TEGRA_NVG_CHANNEL_CSTATE_INFO, val);
+
+	return 0;
+}
+
+int32_t nvg_update_crossover_time(uint32_t ari_base, uint32_t type, uint32_t time)
+{
+	int32_t ret = 0;
+
+	(void)ari_base;
+
+	/* sanity check crossover type */
+	if (type > TEGRA_ARI_CROSSOVER_CCP3_SC1) {
+		ret = EINVAL;
+	} else {
+		/*
+		 * The crossover threshold limit types start from
+		 * TEGRA_CROSSOVER_TYPE_C1_C6 to TEGRA_CROSSOVER_TYPE_CCP3_SC7.
+		 * The command indices for updating the threshold be generated
+		 * by adding the type to the NVG_SET_THRESHOLD_CROSSOVER_C1_C6
+		 * command index.
+		 */
+		nvg_set_request_data((TEGRA_NVG_CHANNEL_CROSSOVER_C1_C6 +
+			(uint64_t)type), (uint64_t)time);
+	}
+
+	return ret;
+}
+
+uint64_t nvg_read_cstate_stats(uint32_t ari_base, uint32_t state)
+{
+	uint64_t ret;
+
+	(void)ari_base;
+
+	/* sanity check state */
+	if (state == 0U) {
+		ret = EINVAL;
+	} else {
+		/*
+		 * The cstate types start from NVG_READ_CSTATE_STATS_SC7_ENTRIES
+		 * to NVG_GET_LAST_CSTATE_ENTRY_A57_3. The command indices for
+		 * reading the threshold can be generated by adding the type to
+		 * the NVG_CLEAR_CSTATE_STATS command index.
+		 */
+		nvg_set_request((TEGRA_NVG_CHANNEL_CSTATE_STATS_CLEAR +
+				(uint64_t)state));
+		ret = nvg_get_result();
+	}
+
+	return ret;
+}
+
+int32_t nvg_write_cstate_stats(uint32_t ari_base, uint32_t state, uint32_t stats)
+{
+	uint64_t val;
+
+	(void)ari_base;
+
+	/*
+	 * The only difference between a CSTATE_STATS_WRITE and
+	 * CSTATE_STATS_READ is the usage of the 63:32 in the request.
+	 * 63:32 are set to '0' for a read, while a write contains the
+	 * actual stats value to be written.
+	 */
+	val = ((uint64_t)stats << MCE_CSTATE_STATS_TYPE_SHIFT) | state;
+
+	/*
+	 * The cstate types start from NVG_READ_CSTATE_STATS_SC7_ENTRIES
+	 * to NVG_GET_LAST_CSTATE_ENTRY_A57_3. The command indices for
+	 * reading the threshold can be generated by adding the type to
+	 * the NVG_CLEAR_CSTATE_STATS command index.
+	 */
+	nvg_set_request_data((TEGRA_NVG_CHANNEL_CSTATE_STATS_CLEAR +
+			     (uint64_t)state), val);
+
+	return 0;
+}
+
+int32_t nvg_is_ccx_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time)
+{
+	(void)ari_base;
+	(void)state;
+	(void)wake_time;
+
+	/* This does not apply to the Denver cluster */
+	return 0;
+}
+
+int32_t nvg_is_sc7_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time)
+{
+	uint64_t val;
+	int32_t ret;
+
+	(void)ari_base;
+
+	/* check for allowed power state */
+	if ((state != TEGRA_ARI_CORE_C0) && (state != TEGRA_ARI_CORE_C1) &&
+	    (state != TEGRA_ARI_CORE_C6) && (state != TEGRA_ARI_CORE_C7)) {
+		ERROR("%s: unknown cstate (%d)\n", __func__, state);
+		ret = EINVAL;
+	} else {
+		/*
+		 * Request format -
+		 * 63:32 = wake time
+		 * 31:0 = C-state for this core
+		 */
+		val = ((uint64_t)wake_time << MCE_SC7_WAKE_TIME_SHIFT) |
+				((uint64_t)state & MCE_SC7_ALLOWED_MASK);
+
+		/* issue command to check if SC7 is allowed */
+		nvg_set_request_data((uint64_t)TEGRA_NVG_CHANNEL_IS_SC7_ALLOWED, val);
+
+		/* 1 = SC7 allowed, 0 = SC7 not allowed */
+		ret = (nvg_get_result() != 0ULL) ? 1 : 0;
+	}
+
+	return ret;
+}
+
+int32_t nvg_online_core(uint32_t ari_base, uint32_t core)
+{
+	uint64_t cpu = read_mpidr() & MPIDR_CPU_MASK;
+	uint64_t impl = (read_midr() >> MIDR_IMPL_SHIFT) & MIDR_IMPL_MASK;
+	int32_t ret = 0;
+
+	(void)ari_base;
+
+	/* sanity check code id */
+	if ((core >= MCE_CORE_ID_MAX) || (cpu == core)) {
+		ERROR("%s: unsupported core id (%d)\n", __func__, core);
+		ret = EINVAL;
+	} else {
+		/*
+		 * The Denver cluster has 2 CPUs only - 0, 1.
+		 */
+		if ((impl == DENVER_IMPL) && ((core == 2U) || (core == 3U))) {
+			ERROR("%s: unknown core id (%d)\n", __func__, core);
+			ret = EINVAL;
+		} else {
+			/* get a core online */
+			nvg_set_request_data((uint64_t)TEGRA_NVG_CHANNEL_ONLINE_CORE,
+				((uint64_t)core & MCE_CORE_ID_MASK));
+		}
+	}
+
+	return ret;
+}
+
+int32_t nvg_cc3_ctrl(uint32_t ari_base, uint32_t freq, uint32_t volt, uint8_t enable)
+{
+	uint32_t val;
+
+	(void)ari_base;
+
+	/*
+	 * If the enable bit is cleared, Auto-CC3 will be disabled by setting
+	 * the SW visible voltage/frequency request registers for all non
+	 * floorswept cores valid independent of StandbyWFI and disabling
+	 * the IDLE voltage/frequency request register. If set, Auto-CC3
+	 * will be enabled by setting the ARM SW visible voltage/frequency
+	 * request registers for all non floorswept cores to be enabled by
+	 * StandbyWFI or the equivalent signal, and always keeping the IDLE
+	 * voltage/frequency request register enabled.
+	 */
+	val = (((freq & MCE_AUTO_CC3_FREQ_MASK) << MCE_AUTO_CC3_FREQ_SHIFT) |\
+		((volt & MCE_AUTO_CC3_VTG_MASK) << MCE_AUTO_CC3_VTG_SHIFT) |\
+		((enable != 0U) ? MCE_AUTO_CC3_ENABLE_BIT : 0U));
+
+	nvg_set_request_data((uint64_t)TEGRA_NVG_CHANNEL_CC3_CTRL, (uint64_t)val);
+
+	return 0;
+}
diff --git a/plat/nvidia/tegra/soc/t186/drivers/se/se.c b/plat/nvidia/tegra/soc/t186/drivers/se/se.c
new file mode 100644
index 0000000..25f8cd0
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t186/drivers/se/se.c
@@ -0,0 +1,277 @@
+/*
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <drivers/delay_timer.h>
+#include <errno.h>
+#include <string.h>
+
+#include <bpmp_ipc.h>
+#include <pmc.h>
+#include <security_engine.h>
+#include <tegra_private.h>
+
+#include "se_private.h"
+
+/*******************************************************************************
+ * Constants and Macros
+ ******************************************************************************/
+#define SE0_MAX_BUSY_TIMEOUT_MS		U(100)	/* 100ms */
+#define BYTES_IN_WORD			U(4)
+#define SHA256_MAX_HASH_RESULT		U(7)
+#define SHA256_DST_SIZE			U(32)
+#define SHA_FIRST_OP			U(1)
+#define MAX_SHA_ENGINE_CHUNK_SIZE	U(0xFFFFFF)
+#define SHA256_MSG_LENGTH_ONETIME	U(0xffff)
+
+/*
+ * Check that SE operation has completed after kickoff
+ * This function is invoked after an SE operation has been started,
+ * and it checks the following conditions:
+ * 1. SE0_INT_STATUS = SE0_OP_DONE
+ * 2. SE0_STATUS = IDLE
+ * 3. SE0_ERR_STATUS is clean.
+ */
+static int32_t tegra_se_operation_complete(void)
+{
+	uint32_t val = 0U;
+
+	/* Read SE0 interrupt register to ensure H/W operation complete */
+	val = tegra_se_read_32(SE0_INT_STATUS_REG_OFFSET);
+	if (SE0_INT_OP_DONE(val) == SE0_INT_OP_DONE_CLEAR) {
+		ERROR("%s: Engine busy state too many times! val = 0x%x\n",
+			__func__, val);
+		return -ETIMEDOUT;
+	}
+
+	/* Read SE0 status idle to ensure H/W operation complete */
+	val = tegra_se_read_32(SE0_SHA_STATUS_0);
+	if (val != SE0_SHA_STATUS_IDLE) {
+		ERROR("%s: Idle state timeout! val = 0x%x\n", __func__,
+			val);
+		return -ETIMEDOUT;
+	}
+
+	/* Ensure that no errors are thrown during operation */
+	val = tegra_se_read_32(SE0_ERR_STATUS_REG_OFFSET);
+	if (val != SE0_ERR_STATUS_CLEAR) {
+		ERROR("%s: Error during SE operation! val = 0x%x",
+			__func__, val);
+		return -ENOTSUP;
+	}
+
+	return 0;
+}
+
+/*
+ * Security engine primitive normal operations
+ */
+static int32_t tegra_se_start_normal_operation(uint64_t src_addr,
+		uint32_t nbytes, uint32_t last_buf, uint32_t src_len_inbytes)
+{
+	int32_t ret = 0;
+	uint32_t val = 0U;
+	uint32_t src_in_lo;
+	uint32_t src_in_msb;
+	uint32_t src_in_hi;
+
+	if ((src_addr == 0UL) || (nbytes == 0U))
+		return -EINVAL;
+
+	src_in_lo = (uint32_t)src_addr;
+	src_in_msb = ((uint32_t)(src_addr >> 32U) & 0xffU);
+	src_in_hi = ((src_in_msb << SE0_IN_HI_ADDR_HI_0_MSB_SHIFT) |
+				(nbytes & 0xffffffU));
+
+	/* set SRC_IN_ADDR_LO and SRC_IN_ADDR_HI*/
+	tegra_se_write_32(SE0_IN_ADDR, src_in_lo);
+	tegra_se_write_32(SE0_IN_HI_ADDR_HI, src_in_hi);
+
+	val = tegra_se_read_32(SE0_INT_STATUS_REG_OFFSET);
+	if (val > 0U) {
+		tegra_se_write_32(SE0_INT_STATUS_REG_OFFSET, 0x00000U);
+	}
+
+	/* Enable SHA interrupt for SE0 Operation */
+	tegra_se_write_32(SE0_SHA_INT_ENABLE, 0x1aU);
+
+	/* flush to DRAM for SE to use the updated contents */
+	flush_dcache_range(src_addr, src_len_inbytes);
+
+	/* Start SHA256 operation */
+	if (last_buf == 1U) {
+		tegra_se_write_32(SE0_OPERATION_REG_OFFSET, SE0_OP_START |
+				SE0_UNIT_OPERATION_PKT_LASTBUF_FIELD);
+	} else {
+		tegra_se_write_32(SE0_OPERATION_REG_OFFSET, SE0_OP_START);
+	}
+
+	/* Wait for SE-operation to finish */
+	udelay(SE0_MAX_BUSY_TIMEOUT_MS * 100U);
+
+	/* Check SE0 operation status */
+	ret = tegra_se_operation_complete();
+	if (ret != 0) {
+		ERROR("SE operation complete Failed! 0x%x", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int32_t tegra_se_calculate_sha256_hash(uint64_t src_addr,
+						uint32_t src_len_inbyte)
+{
+	uint32_t val, last_buf, i;
+	int32_t ret = 0;
+	uint32_t operations;
+	uint64_t src_len_inbits;
+	uint32_t len_bits_msb;
+	uint32_t len_bits_lsb;
+	uint32_t number_of_operations, max_bytes, bytes_left, remaining_bytes;
+
+	if (src_len_inbyte > MAX_SHA_ENGINE_CHUNK_SIZE) {
+		ERROR("SHA input chunk size too big: 0x%x\n", src_len_inbyte);
+		return -EINVAL;
+	}
+
+	if (src_addr == 0UL) {
+		return -EINVAL;
+	}
+
+	/* number of bytes per operation */
+	max_bytes = SHA256_HASH_SIZE_BYTES * SHA256_MSG_LENGTH_ONETIME;
+
+	src_len_inbits = src_len_inbyte * 8U;
+	len_bits_msb = (uint32_t)(src_len_inbits >> 32U);
+	len_bits_lsb = (uint32_t)(src_len_inbits & 0xFFFFFFFF);
+
+	/* program SE0_CONFIG for SHA256 operation */
+	val = SE0_CONFIG_ENC_ALG_SHA | SE0_CONFIG_ENC_MODE_SHA256 |
+		SE0_CONFIG_DEC_ALG_NOP | SE0_CONFIG_DST_HASHREG;
+	tegra_se_write_32(SE0_SHA_CONFIG, val);
+
+	/* set SE0_SHA_MSG_LENGTH registers */
+	tegra_se_write_32(SE0_SHA_MSG_LENGTH_0, len_bits_lsb);
+	tegra_se_write_32(SE0_SHA_MSG_LEFT_0, len_bits_lsb);
+	tegra_se_write_32(SE0_SHA_MSG_LENGTH_1, len_bits_msb);
+
+	/* zero out unused SE0_SHA_MSG_LENGTH and SE0_SHA_MSG_LEFT */
+	tegra_se_write_32(SE0_SHA_MSG_LENGTH_2, 0U);
+	tegra_se_write_32(SE0_SHA_MSG_LENGTH_3, 0U);
+	tegra_se_write_32(SE0_SHA_MSG_LEFT_1, 0U);
+	tegra_se_write_32(SE0_SHA_MSG_LEFT_2, 0U);
+	tegra_se_write_32(SE0_SHA_MSG_LEFT_3, 0U);
+
+	number_of_operations = src_len_inbyte / max_bytes;
+	remaining_bytes = src_len_inbyte % max_bytes;
+	if (remaining_bytes > 0U) {
+		number_of_operations += 1U;
+	}
+
+	/*
+	 * 1. Operations == 1:	program SE0_SHA_TASK register to initiate SHA256
+	 *			hash generation by setting
+	 *			1(SE0_SHA_CONFIG_HW_INIT_HASH) to SE0_SHA_TASK
+	 *			and start SHA256-normal operation.
+	 * 2. 1 < Operations < number_of_operations: program SE0_SHA_TASK to
+	 *			0(SE0_SHA_CONFIG_HW_INIT_HASH_DISABLE) to load
+	 *			intermediate SHA256 digest result from
+	 *			HASH_RESULT register to continue SHA256
+	 *			generation and start SHA256-normal operation.
+	 * 3. Operations == number_of_operations: continue with step 2 and set
+	 *			max_bytes to bytes_left to process final
+	 *			hash-result generation and
+	 *			start SHA256-normal operation.
+	 */
+	bytes_left = src_len_inbyte;
+	for (operations = 1U; operations <= number_of_operations;
+								operations++) {
+		if (operations == SHA_FIRST_OP) {
+			val = SE0_SHA_CONFIG_HW_INIT_HASH;
+		} else {
+			/* Load intermediate SHA digest result to
+			 * SHA:HASH_RESULT(0..7) to continue the SHA
+			 * calculation and tell the SHA engine to use it.
+			 */
+			for (i = 0U; (i / BYTES_IN_WORD) <=
+				SHA256_MAX_HASH_RESULT; i += BYTES_IN_WORD) {
+				val = tegra_se_read_32(SE0_SHA_HASH_RESULT_0 +
+									i);
+				tegra_se_write_32(SE0_SHA_HASH_RESULT_0 + i,
+									val);
+			}
+			val = SE0_SHA_CONFIG_HW_INIT_HASH_DISABLE;
+			if (len_bits_lsb <= (max_bytes * 8U)) {
+				len_bits_lsb = (remaining_bytes * 8U);
+			} else {
+				len_bits_lsb -= (max_bytes * 8U);
+			}
+			tegra_se_write_32(SE0_SHA_MSG_LEFT_0, len_bits_lsb);
+		}
+		tegra_se_write_32(SE0_SHA_TASK_CONFIG, val);
+
+		max_bytes = (SHA256_HASH_SIZE_BYTES *
+						SHA256_MSG_LENGTH_ONETIME);
+		if (bytes_left < max_bytes) {
+			max_bytes = bytes_left;
+			last_buf = 1U;
+		} else {
+			bytes_left = bytes_left - max_bytes;
+			last_buf = 0U;
+		}
+		/* start operation */
+		ret = tegra_se_start_normal_operation(src_addr, max_bytes,
+					last_buf, src_len_inbyte);
+		if (ret != 0) {
+			ERROR("Error during SE operation! 0x%x", ret);
+			return -EINVAL;
+		}
+	}
+
+	return ret;
+}
+
+/*
+ * Handler to generate SHA256 and save SHA256 hash to PMC-Scratch register.
+ */
+int32_t tegra_se_save_sha256_hash(uint64_t bl31_base, uint32_t src_len_inbyte)
+{
+	int32_t ret = 0;
+	uint32_t val = 0U, hash_offset = 0U, scratch_offset = 0U, security;
+
+	/*
+	 * Set SE_SOFT_SETTINGS=SE_SECURE to prevent NS process to change SE
+	 * registers.
+	 */
+	security = tegra_se_read_32(SE0_SECURITY);
+	tegra_se_write_32(SE0_SECURITY, security | SE0_SECURITY_SE_SOFT_SETTING);
+
+	ret = tegra_se_calculate_sha256_hash(bl31_base, src_len_inbyte);
+	if (ret != 0L) {
+		ERROR("%s: SHA256 generation failed\n", __func__);
+		return ret;
+	}
+
+	/*
+	 * Reset SE_SECURE to previous value.
+	 */
+	tegra_se_write_32(SE0_SECURITY, security);
+
+	/* read SHA256_HASH_RESULT and save to PMC Scratch registers */
+	scratch_offset = SECURE_SCRATCH_TZDRAM_SHA256_HASH_START;
+	while (scratch_offset <= SECURE_SCRATCH_TZDRAM_SHA256_HASH_END) {
+
+		val = tegra_se_read_32(SE0_SHA_HASH_RESULT_0 + hash_offset);
+		mmio_write_32(TEGRA_SCRATCH_BASE + scratch_offset, val);
+
+		hash_offset += BYTES_IN_WORD;
+		scratch_offset += BYTES_IN_WORD;
+	}
+
+	return ret;
+}
+
diff --git a/plat/nvidia/tegra/soc/t186/drivers/se/se_private.h b/plat/nvidia/tegra/soc/t186/drivers/se/se_private.h
new file mode 100644
index 0000000..7aa0dd6
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t186/drivers/se/se_private.h
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SE_PRIVATE_H
+#define SE_PRIVATE_H
+
+#include <lib/utils_def.h>
+
+/* SE0 security register */
+#define SE0_SECURITY				U(0x18)
+#define SE0_SECURITY_SE_SOFT_SETTING		(((uint32_t)1) << 16U)
+
+/* SE0 config register */
+#define SE0_SHA_CONFIG				U(0x104)
+#define SE0_SHA_TASK_CONFIG			U(0x108)
+#define SE0_SHA_CONFIG_HW_INIT_HASH		((1U) << 0U)
+#define SE0_SHA_CONFIG_HW_INIT_HASH_DISABLE	U(0)
+
+#define SE0_CONFIG_ENC_ALG_SHIFT		U(12)
+#define SE0_CONFIG_ENC_ALG_SHA	\
+		(((uint32_t)3) << SE0_CONFIG_ENC_ALG_SHIFT)
+#define SE0_CONFIG_DEC_ALG_SHIFT		U(8)
+#define SE0_CONFIG_DEC_ALG_NOP	\
+		(((uint32_t)0) << SE0_CONFIG_DEC_ALG_SHIFT)
+#define SE0_CONFIG_DST_SHIFT			U(2)
+#define SE0_CONFIG_DST_HASHREG	\
+		(((uint32_t)1) << SE0_CONFIG_DST_SHIFT)
+#define SHA256_HASH_SIZE_BYTES			U(256)
+
+#define SE0_CONFIG_ENC_MODE_SHIFT		U(24)
+#define SE0_CONFIG_ENC_MODE_SHA256	\
+			(((uint32_t)5) << SE0_CONFIG_ENC_MODE_SHIFT)
+
+/* SHA input message length */
+#define SE0_SHA_MSG_LENGTH_0			U(0x11c)
+#define SE0_SHA_MSG_LENGTH_1			U(0x120)
+#define SE0_SHA_MSG_LENGTH_2			U(0x124)
+#define SE0_SHA_MSG_LENGTH_3			U(0x128)
+
+/* SHA input message left  */
+#define SE0_SHA_MSG_LEFT_0			U(0x12c)
+#define SE0_SHA_MSG_LEFT_1			U(0x130)
+#define SE0_SHA_MSG_LEFT_2			U(0x134)
+#define SE0_SHA_MSG_LEFT_3			U(0x138)
+
+/* SE Hash Result */
+#define SE0_SHA_HASH_RESULT_0			U(0x13c)
+
+/* SE OPERATION */
+#define SE0_OPERATION_REG_OFFSET		U(0x17c)
+#define SE0_UNIT_OPERATION_PKT_LASTBUF_SHIFT	U(16)
+#define SE0_UNIT_OPERATION_PKT_LASTBUF_FIELD	\
+		(((uint32_t)0x1) << SE0_UNIT_OPERATION_PKT_LASTBUF_SHIFT)
+#define SE0_OPERATION_SHIFT			U(0)
+#define SE0_OP_START	\
+		(((uint32_t)0x1) << SE0_OPERATION_SHIFT)
+
+/* SE Interrupt */
+#define SE0_SHA_INT_ENABLE			U(0x180)
+
+#define SE0_INT_STATUS_REG_OFFSET		U(0x184)
+#define SE0_INT_OP_DONE_SHIFT			U(4)
+#define SE0_INT_OP_DONE_CLEAR	\
+		(((uint32_t)0) << SE0_INT_OP_DONE_SHIFT)
+#define SE0_INT_OP_DONE(x)	\
+		((x) & (((uint32_t)0x1) << SE0_INT_OP_DONE_SHIFT))
+
+/* SE SHA status */
+#define SE0_SHA_STATUS_0			U(0x188)
+#define SE0_SHA_STATUS_IDLE			U(0)
+
+/* SE error status */
+#define SE0_ERR_STATUS_REG_OFFSET		U(0x18c)
+#define SE0_ERR_STATUS_CLEAR			U(0)
+#define SE0_IN_ADDR				U(0x10c)
+#define SE0_IN_HI_ADDR_HI			U(0x110)
+#define SE0_IN_HI_ADDR_HI_0_MSB_SHIFT		U(24)
+
+/* SE error status */
+#define SECURE_SCRATCH_TZDRAM_SHA256_HASH_START	SECURE_SCRATCH_RSV63_LO
+#define SECURE_SCRATCH_TZDRAM_SHA256_HASH_END	SECURE_SCRATCH_RSV66_HI
+
+/*******************************************************************************
+ * Inline functions definition
+ ******************************************************************************/
+
+static inline uint32_t tegra_se_read_32(uint32_t offset)
+{
+	return mmio_read_32((uint32_t)(TEGRA_SE0_BASE + offset));
+}
+
+static inline void tegra_se_write_32(uint32_t offset, uint32_t val)
+{
+	mmio_write_32(((uint32_t)(TEGRA_SE0_BASE + offset)), val);
+}
+
+#endif /* SE_PRIVATE_H */
diff --git a/plat/nvidia/tegra/soc/t186/plat_memctrl.c b/plat/nvidia/tegra/soc/t186/plat_memctrl.c
new file mode 100644
index 0000000..81de674
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t186/plat_memctrl.c
@@ -0,0 +1,700 @@
+/*
+ * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <common/bl_common.h>
+
+#include <mce.h>
+#include <memctrl_v2.h>
+#include <tegra186_private.h>
+#include <tegra_mc_def.h>
+#include <tegra_platform.h>
+#include <tegra_private.h>
+
+extern uint64_t tegra_bl31_phys_base;
+
+/*******************************************************************************
+ * Array to hold stream_id override config register offsets
+ ******************************************************************************/
+const static uint32_t tegra186_streamid_override_regs[] = {
+	MC_STREAMID_OVERRIDE_CFG_SDMMCRA,
+	MC_STREAMID_OVERRIDE_CFG_SDMMCRAA,
+	MC_STREAMID_OVERRIDE_CFG_SDMMCR,
+	MC_STREAMID_OVERRIDE_CFG_SDMMCRAB,
+	MC_STREAMID_OVERRIDE_CFG_SDMMCWA,
+	MC_STREAMID_OVERRIDE_CFG_SDMMCWAA,
+	MC_STREAMID_OVERRIDE_CFG_SDMMCW,
+	MC_STREAMID_OVERRIDE_CFG_SDMMCWAB,
+};
+
+/*******************************************************************************
+ * Array to hold the security configs for stream IDs
+ ******************************************************************************/
+const static mc_streamid_security_cfg_t tegra186_streamid_sec_cfgs[] = {
+	mc_make_sec_cfg(SCEW, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(AFIR, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(AFIW, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(NVDISPLAYR1, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(XUSB_DEVR, NON_SECURE, OVERRIDE, ENABLE),
+	mc_make_sec_cfg(VICSRD1, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(NVENCSWR, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(TSECSRDB, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(AXISW, SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(SDMMCWAB, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(AONDMAW, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(GPUSWR2, SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(SATAW, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(UFSHCW, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(SDMMCR, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(SCEDMAW, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(UFSHCR, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(SDMMCWAA, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(SESWR, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(MPCORER, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(PTCR, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(BPMPW, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(ETRW, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(GPUSRD, SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(VICSWR, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(SCEDMAR, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(HDAW, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(ISPWA, NON_SECURE, OVERRIDE, ENABLE),
+	mc_make_sec_cfg(EQOSW, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(XUSB_HOSTW, NON_SECURE, OVERRIDE, ENABLE),
+	mc_make_sec_cfg(TSECSWR, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(SDMMCRAA, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(VIW, NON_SECURE, OVERRIDE, ENABLE),
+	mc_make_sec_cfg(AXISR, SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(SDMMCW, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(BPMPDMAW, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(ISPRA, NON_SECURE, OVERRIDE, ENABLE),
+	mc_make_sec_cfg(NVDECSWR, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(XUSB_DEVW, NON_SECURE, OVERRIDE, ENABLE),
+	mc_make_sec_cfg(NVDECSRD, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(MPCOREW, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(NVDISPLAYR, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(BPMPDMAR, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(NVJPGSWR, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(NVDECSRD1, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(TSECSRD, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(NVJPGSRD, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(SDMMCWA, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(SCER, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(XUSB_HOSTR, NON_SECURE, OVERRIDE, ENABLE),
+	mc_make_sec_cfg(VICSRD, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(AONDMAR, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(AONW, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(SDMMCRA, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(HOST1XDMAR, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(EQOSR, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(SATAR, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(BPMPR, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(HDAR, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(SDMMCRAB, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(ETRR, NON_SECURE, OVERRIDE, DISABLE),
+	mc_make_sec_cfg(AONR, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(SESRD, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(NVENCSRD, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(GPUSWR, SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(TSECSWRB, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(ISPWB, NON_SECURE, OVERRIDE, ENABLE),
+	mc_make_sec_cfg(GPUSRD2, SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(APEDMAW, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(APER, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(APEW, NON_SECURE, NO_OVERRIDE, DISABLE),
+	mc_make_sec_cfg(APEDMAR, NON_SECURE, NO_OVERRIDE, DISABLE),
+};
+
+/*******************************************************************************
+ * Array to hold the transaction override configs
+ ******************************************************************************/
+const static mc_txn_override_cfg_t tegra186_txn_override_cfgs[] = {
+	mc_make_txn_override_cfg(BPMPW, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(EQOSW, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(NVJPGSWR, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(SDMMCWAA, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(MPCOREW, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(SCEDMAW, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(SDMMCW, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(AXISW, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(TSECSWR, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(GPUSWR, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(XUSB_HOSTW, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(TSECSWRB, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(GPUSWR2, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(AONDMAW, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(AONW, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(SESWR, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(BPMPDMAW, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(SDMMCWA, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(HDAW, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(NVDECSWR, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(UFSHCW, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(SATAW, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(ETRW, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(VICSWR, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(NVENCSWR, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(SDMMCWAB, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(ISPWB, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(APEW, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(XUSB_DEVW, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(AFIW, CGID_TAG_ADR),
+	mc_make_txn_override_cfg(SCEW, CGID_TAG_ADR),
+};
+
+static void tegra186_memctrl_reconfig_mss_clients(void)
+{
+#if ENABLE_ROC_FOR_ORDERING_CLIENT_REQUESTS
+	uint32_t val, wdata_0, wdata_1;
+
+	/*
+	 * Assert Memory Controller's HOTRESET_FLUSH_ENABLE signal for
+	 * boot and strongly ordered MSS clients to flush existing memory
+	 * traffic and stall future requests.
+	 */
+	val = tegra_mc_read_32(MC_CLIENT_HOTRESET_CTRL0);
+	assert(val == MC_CLIENT_HOTRESET_CTRL0_RESET_VAL);
+
+	wdata_0 = MC_CLIENT_HOTRESET_CTRL0_HDA_FLUSH_ENB |
+		  MC_CLIENT_HOTRESET_CTRL0_AFI_FLUSH_ENB |
+		  MC_CLIENT_HOTRESET_CTRL0_SATA_FLUSH_ENB |
+		  MC_CLIENT_HOTRESET_CTRL0_XUSB_HOST_FLUSH_ENB |
+		  MC_CLIENT_HOTRESET_CTRL0_XUSB_DEV_FLUSH_ENB;
+	tegra_mc_write_32(MC_CLIENT_HOTRESET_CTRL0, wdata_0);
+
+	/* Wait for HOTRESET STATUS to indicate FLUSH_DONE */
+	do {
+		val = tegra_mc_read_32(MC_CLIENT_HOTRESET_STATUS0);
+	} while ((val & wdata_0) != wdata_0);
+
+	/* Wait one more time due to SW WAR for known legacy issue */
+	do {
+		val = tegra_mc_read_32(MC_CLIENT_HOTRESET_STATUS0);
+	} while ((val & wdata_0) != wdata_0);
+
+	val = tegra_mc_read_32(MC_CLIENT_HOTRESET_CTRL1);
+	assert(val == MC_CLIENT_HOTRESET_CTRL1_RESET_VAL);
+
+	wdata_1 = MC_CLIENT_HOTRESET_CTRL1_SDMMC4A_FLUSH_ENB |
+		  MC_CLIENT_HOTRESET_CTRL1_APE_FLUSH_ENB |
+		  MC_CLIENT_HOTRESET_CTRL1_SE_FLUSH_ENB |
+		  MC_CLIENT_HOTRESET_CTRL1_ETR_FLUSH_ENB |
+		  MC_CLIENT_HOTRESET_CTRL1_AXIS_FLUSH_ENB |
+		  MC_CLIENT_HOTRESET_CTRL1_EQOS_FLUSH_ENB |
+		  MC_CLIENT_HOTRESET_CTRL1_UFSHC_FLUSH_ENB |
+		  MC_CLIENT_HOTRESET_CTRL1_BPMP_FLUSH_ENB |
+		  MC_CLIENT_HOTRESET_CTRL1_AON_FLUSH_ENB |
+		  MC_CLIENT_HOTRESET_CTRL1_SCE_FLUSH_ENB;
+	tegra_mc_write_32(MC_CLIENT_HOTRESET_CTRL1, wdata_1);
+
+	/* Wait for HOTRESET STATUS to indicate FLUSH_DONE */
+	do {
+		val = tegra_mc_read_32(MC_CLIENT_HOTRESET_STATUS1);
+	} while ((val & wdata_1) != wdata_1);
+
+	/* Wait one more time due to SW WAR for known legacy issue */
+	do {
+		val = tegra_mc_read_32(MC_CLIENT_HOTRESET_STATUS1);
+	} while ((val & wdata_1) != wdata_1);
+
+	/*
+	 * Change MEMTYPE_OVERRIDE from SO_DEV -> PASSTHRU for boot and
+	 * strongly ordered MSS clients. ROC needs to be single point
+	 * of control on overriding the memory type. So, remove TSA's
+	 * memtype override.
+	 *
+	 * MC clients with default SO_DEV override still enabled at TSA:
+	 * AONW, BPMPW, SCEW, APEW
+	 */
+	mc_set_tsa_passthrough(AFIW);
+	mc_set_tsa_passthrough(HDAW);
+	mc_set_tsa_passthrough(SATAW);
+	mc_set_tsa_passthrough(XUSB_HOSTW);
+	mc_set_tsa_passthrough(XUSB_DEVW);
+	mc_set_tsa_passthrough(SDMMCWAB);
+	mc_set_tsa_passthrough(APEDMAW);
+	mc_set_tsa_passthrough(SESWR);
+	mc_set_tsa_passthrough(ETRW);
+	mc_set_tsa_passthrough(AXISW);
+	mc_set_tsa_passthrough(EQOSW);
+	mc_set_tsa_passthrough(UFSHCW);
+	mc_set_tsa_passthrough(BPMPDMAW);
+	mc_set_tsa_passthrough(AONDMAW);
+	mc_set_tsa_passthrough(SCEDMAW);
+
+	/* Parker has no IO Coherency support and need the following:
+	 * Ordered MC Clients on Parker are AFI, EQOS, SATA, XUSB.
+	 * ISO clients(DISP, VI, EQOS) should never snoop caches and
+	 *     don't need ROC/PCFIFO ordering.
+	 * ISO clients(EQOS) that need ordering should use PCFIFO ordering
+	 *     and bypass ROC ordering by using FORCE_NON_COHERENT path.
+	 * FORCE_NON_COHERENT/FORCE_COHERENT config take precedence
+	 *     over SMMU attributes.
+	 * Force all Normal memory transactions from ISO and non-ISO to be
+	 *     non-coherent(bypass ROC, avoid cache snoop to avoid perf hit).
+	 * Force the SO_DEV transactions from ordered ISO clients(EQOS) to
+	 *     non-coherent path and enable MC PCFIFO interlock for ordering.
+	 * Force the SO_DEV transactions from ordered non-ISO clients (PCIe,
+	 *     XUSB, SATA) to coherent so that the transactions are
+	 *     ordered by ROC.
+	 * PCFIFO ensure write ordering.
+	 * Read after Write ordering is maintained/enforced by MC clients.
+	 * Clients that need PCIe type write ordering must
+	 *     go through ROC ordering.
+	 * Ordering enable for Read clients is not necessary.
+	 * R5's and A9 would get necessary ordering from AXI and
+	 *     don't need ROC ordering enable:
+	 *     - MMIO ordering is through dev mapping and MMIO
+	 *       accesses bypass SMMU.
+	 *     - Normal memory is accessed through SMMU and ordering is
+	 *       ensured by client and AXI.
+	 *     - Ack point for Normal memory is WCAM in MC.
+	 *     - MMIO's can be early acked and AXI ensures dev memory ordering,
+	 *       Client ensures read/write direction change ordering.
+	 *     - See Bug 200312466 for more details.
+	 *
+	 * CGID_TAG_ADR is only present from T186 A02. As this code is common
+	 *    between A01 and A02, tegra_memctrl_set_overrides() programs
+	 *    CGID_TAG_ADR for the necessary clients on A02.
+	 */
+	mc_set_txn_override(HDAR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(BPMPW, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(PTCR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(NVDISPLAYR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(EQOSW, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(NVJPGSWR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(ISPRA, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(SDMMCWAA, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(VICSRD, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(MPCOREW, CGID_TAG_DEFAULT, SO_DEV_ZERO, NO_OVERRIDE, NO_OVERRIDE);
+	mc_set_txn_override(GPUSRD, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(AXISR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(SCEDMAW, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(SDMMCW, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(EQOSR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	/* See bug 200131110 comment #35*/
+	mc_set_txn_override(APEDMAR, CGID_TAG_CLIENT_AXI_ID, SO_DEV_CLIENT_AXI_ID, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(NVENCSRD, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(SDMMCRAB, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(VICSRD1, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(BPMPDMAR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(VIW, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(SDMMCRAA, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(AXISW, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(XUSB_DEVR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(UFSHCR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(TSECSWR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(GPUSWR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(SATAR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(XUSB_HOSTW, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_COHERENT);
+	mc_set_txn_override(TSECSWRB, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(GPUSRD2, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(SCEDMAR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(GPUSWR2, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(AONDMAW, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	/* See bug 200131110 comment #35*/
+	mc_set_txn_override(APEDMAW, CGID_TAG_CLIENT_AXI_ID, SO_DEV_CLIENT_AXI_ID, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(AONW, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(HOST1XDMAR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(ETRR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(SESWR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(NVJPGSRD, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(NVDECSRD, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(TSECSRDB, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(BPMPDMAW, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(APER, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(NVDECSRD1, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(XUSB_HOSTR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(ISPWA, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(SESRD, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(SCER, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(AONR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(MPCORER, CGID_TAG_DEFAULT, SO_DEV_ZERO, NO_OVERRIDE, NO_OVERRIDE);
+	mc_set_txn_override(SDMMCWA, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(HDAW, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(NVDECSWR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(UFSHCW, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(AONDMAR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(SATAW, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_COHERENT);
+	mc_set_txn_override(ETRW, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(VICSWR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(NVENCSWR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	/* See bug 200131110 comment #35 */
+	mc_set_txn_override(AFIR, CGID_TAG_DEFAULT, SO_DEV_CLIENT_AXI_ID, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(SDMMCWAB, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(SDMMCRA, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(NVDISPLAYR1, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(ISPWB, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(BPMPR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(APEW, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(SDMMCR, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	mc_set_txn_override(XUSB_DEVW, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_COHERENT);
+	mc_set_txn_override(TSECSRD, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+	/*
+	 * See bug 200131110 comment #35 - there are no normal requests
+	 * and AWID for SO/DEV requests is hardcoded in RTL for a
+	 * particular PCIE controller
+	 */
+	mc_set_txn_override(AFIW, CGID_TAG_DEFAULT, SO_DEV_CLIENT_AXI_ID, FORCE_NON_COHERENT, FORCE_COHERENT);
+	mc_set_txn_override(SCEW, CGID_TAG_DEFAULT, SO_DEV_ZERO, FORCE_NON_COHERENT, FORCE_NON_COHERENT);
+
+	/*
+	 * At this point, ordering can occur at ROC. So, remove PCFIFO's
+	 * control over ordering requests.
+	 *
+	 * Change PCFIFO_*_ORDERED_CLIENT from ORDERED -> UNORDERED for
+	 * boot and strongly ordered MSS clients
+	 */
+	val = MC_PCFIFO_CLIENT_CONFIG1_RESET_VAL &
+		mc_set_pcfifo_unordered_boot_so_mss(1, AFIW) &
+		mc_set_pcfifo_unordered_boot_so_mss(1, HDAW) &
+		mc_set_pcfifo_unordered_boot_so_mss(1, SATAW);
+	tegra_mc_write_32(MC_PCFIFO_CLIENT_CONFIG1, val);
+
+	val = MC_PCFIFO_CLIENT_CONFIG2_RESET_VAL &
+		mc_set_pcfifo_unordered_boot_so_mss(2, XUSB_HOSTW) &
+		mc_set_pcfifo_unordered_boot_so_mss(2, XUSB_DEVW);
+	tegra_mc_write_32(MC_PCFIFO_CLIENT_CONFIG2, val);
+
+	val = MC_PCFIFO_CLIENT_CONFIG3_RESET_VAL &
+		mc_set_pcfifo_unordered_boot_so_mss(3, SDMMCWAB);
+	tegra_mc_write_32(MC_PCFIFO_CLIENT_CONFIG3, val);
+
+	val = MC_PCFIFO_CLIENT_CONFIG4_RESET_VAL &
+		mc_set_pcfifo_unordered_boot_so_mss(4, SESWR) &
+		mc_set_pcfifo_unordered_boot_so_mss(4, ETRW) &
+		mc_set_pcfifo_unordered_boot_so_mss(4, AXISW) &
+		mc_set_pcfifo_unordered_boot_so_mss(4, UFSHCW) &
+		mc_set_pcfifo_unordered_boot_so_mss(4, BPMPDMAW) &
+		mc_set_pcfifo_unordered_boot_so_mss(4, AONDMAW) &
+		mc_set_pcfifo_unordered_boot_so_mss(4, SCEDMAW);
+	/* EQOSW is the only client that has PCFIFO order enabled. */
+	val |= mc_set_pcfifo_ordered_boot_so_mss(4, EQOSW);
+	tegra_mc_write_32(MC_PCFIFO_CLIENT_CONFIG4, val);
+
+	val = MC_PCFIFO_CLIENT_CONFIG5_RESET_VAL &
+		mc_set_pcfifo_unordered_boot_so_mss(5, APEDMAW);
+	tegra_mc_write_32(MC_PCFIFO_CLIENT_CONFIG5, val);
+
+	/*
+	 * Deassert HOTRESET FLUSH_ENABLE for boot and strongly ordered MSS
+	 * clients to allow memory traffic from all clients to start passing
+	 * through ROC
+	 */
+	val = tegra_mc_read_32(MC_CLIENT_HOTRESET_CTRL0);
+	assert(val == wdata_0);
+
+	wdata_0 = MC_CLIENT_HOTRESET_CTRL0_RESET_VAL;
+	tegra_mc_write_32(MC_CLIENT_HOTRESET_CTRL0, wdata_0);
+
+	val = tegra_mc_read_32(MC_CLIENT_HOTRESET_CTRL1);
+	assert(val == wdata_1);
+
+	wdata_1 = MC_CLIENT_HOTRESET_CTRL1_RESET_VAL;
+	tegra_mc_write_32(MC_CLIENT_HOTRESET_CTRL1, wdata_1);
+
+#endif
+}
+
+static void tegra186_memctrl_set_overrides(void)
+{
+	uint32_t i, val;
+
+	/*
+	 * Set the MC_TXN_OVERRIDE registers for write clients.
+	 */
+	if ((tegra_chipid_is_t186()) &&
+	    (!tegra_platform_is_silicon() ||
+	    (tegra_platform_is_silicon() && (tegra_get_chipid_minor() == 1U)))) {
+
+		/*
+		 * GPU and NVENC settings for Tegra186 simulation and
+		 * Silicon rev. A01
+		 */
+		val = tegra_mc_read_32(MC_TXN_OVERRIDE_CONFIG_GPUSWR);
+		val &= (uint32_t)~MC_TXN_OVERRIDE_CGID_TAG_MASK;
+		tegra_mc_write_32(MC_TXN_OVERRIDE_CONFIG_GPUSWR,
+			val | MC_TXN_OVERRIDE_CGID_TAG_ZERO);
+
+		val = tegra_mc_read_32(MC_TXN_OVERRIDE_CONFIG_GPUSWR2);
+		val &= (uint32_t)~MC_TXN_OVERRIDE_CGID_TAG_MASK;
+		tegra_mc_write_32(MC_TXN_OVERRIDE_CONFIG_GPUSWR2,
+			val | MC_TXN_OVERRIDE_CGID_TAG_ZERO);
+
+		val = tegra_mc_read_32(MC_TXN_OVERRIDE_CONFIG_NVENCSWR);
+		val &= (uint32_t)~MC_TXN_OVERRIDE_CGID_TAG_MASK;
+		tegra_mc_write_32(MC_TXN_OVERRIDE_CONFIG_NVENCSWR,
+			val | MC_TXN_OVERRIDE_CGID_TAG_CLIENT_AXI_ID);
+
+	} else {
+
+		/*
+		 * Settings for Tegra186 silicon rev. A02 and onwards.
+		 */
+		for (i = 0; i < ARRAY_SIZE(tegra186_txn_override_cfgs); i++) {
+			val = tegra_mc_read_32(tegra186_txn_override_cfgs[i].offset);
+			val &= (uint32_t)~MC_TXN_OVERRIDE_CGID_TAG_MASK;
+			tegra_mc_write_32(tegra186_txn_override_cfgs[i].offset,
+				val | tegra186_txn_override_cfgs[i].cgid_tag);
+		}
+	}
+}
+
+
+/*******************************************************************************
+ * Array to hold MC context for Tegra186
+ ******************************************************************************/
+static __attribute__((aligned(16))) mc_regs_t tegra186_mc_context[] = {
+	_START_OF_TABLE_,
+	mc_make_sid_security_cfg(SCEW),
+	mc_make_sid_security_cfg(AFIR),
+	mc_make_sid_security_cfg(NVDISPLAYR1),
+	mc_make_sid_security_cfg(XUSB_DEVR),
+	mc_make_sid_security_cfg(VICSRD1),
+	mc_make_sid_security_cfg(NVENCSWR),
+	mc_make_sid_security_cfg(TSECSRDB),
+	mc_make_sid_security_cfg(AXISW),
+	mc_make_sid_security_cfg(SDMMCWAB),
+	mc_make_sid_security_cfg(AONDMAW),
+	mc_make_sid_security_cfg(GPUSWR2),
+	mc_make_sid_security_cfg(SATAW),
+	mc_make_sid_security_cfg(UFSHCW),
+	mc_make_sid_security_cfg(AFIW),
+	mc_make_sid_security_cfg(SDMMCR),
+	mc_make_sid_security_cfg(SCEDMAW),
+	mc_make_sid_security_cfg(UFSHCR),
+	mc_make_sid_security_cfg(SDMMCWAA),
+	mc_make_sid_security_cfg(APEDMAW),
+	mc_make_sid_security_cfg(SESWR),
+	mc_make_sid_security_cfg(MPCORER),
+	mc_make_sid_security_cfg(PTCR),
+	mc_make_sid_security_cfg(BPMPW),
+	mc_make_sid_security_cfg(ETRW),
+	mc_make_sid_security_cfg(GPUSRD),
+	mc_make_sid_security_cfg(VICSWR),
+	mc_make_sid_security_cfg(SCEDMAR),
+	mc_make_sid_security_cfg(HDAW),
+	mc_make_sid_security_cfg(ISPWA),
+	mc_make_sid_security_cfg(EQOSW),
+	mc_make_sid_security_cfg(XUSB_HOSTW),
+	mc_make_sid_security_cfg(TSECSWR),
+	mc_make_sid_security_cfg(SDMMCRAA),
+	mc_make_sid_security_cfg(APER),
+	mc_make_sid_security_cfg(VIW),
+	mc_make_sid_security_cfg(APEW),
+	mc_make_sid_security_cfg(AXISR),
+	mc_make_sid_security_cfg(SDMMCW),
+	mc_make_sid_security_cfg(BPMPDMAW),
+	mc_make_sid_security_cfg(ISPRA),
+	mc_make_sid_security_cfg(NVDECSWR),
+	mc_make_sid_security_cfg(XUSB_DEVW),
+	mc_make_sid_security_cfg(NVDECSRD),
+	mc_make_sid_security_cfg(MPCOREW),
+	mc_make_sid_security_cfg(NVDISPLAYR),
+	mc_make_sid_security_cfg(BPMPDMAR),
+	mc_make_sid_security_cfg(NVJPGSWR),
+	mc_make_sid_security_cfg(NVDECSRD1),
+	mc_make_sid_security_cfg(TSECSRD),
+	mc_make_sid_security_cfg(NVJPGSRD),
+	mc_make_sid_security_cfg(SDMMCWA),
+	mc_make_sid_security_cfg(SCER),
+	mc_make_sid_security_cfg(XUSB_HOSTR),
+	mc_make_sid_security_cfg(VICSRD),
+	mc_make_sid_security_cfg(AONDMAR),
+	mc_make_sid_security_cfg(AONW),
+	mc_make_sid_security_cfg(SDMMCRA),
+	mc_make_sid_security_cfg(HOST1XDMAR),
+	mc_make_sid_security_cfg(EQOSR),
+	mc_make_sid_security_cfg(SATAR),
+	mc_make_sid_security_cfg(BPMPR),
+	mc_make_sid_security_cfg(HDAR),
+	mc_make_sid_security_cfg(SDMMCRAB),
+	mc_make_sid_security_cfg(ETRR),
+	mc_make_sid_security_cfg(AONR),
+	mc_make_sid_security_cfg(APEDMAR),
+	mc_make_sid_security_cfg(SESRD),
+	mc_make_sid_security_cfg(NVENCSRD),
+	mc_make_sid_security_cfg(GPUSWR),
+	mc_make_sid_security_cfg(TSECSWRB),
+	mc_make_sid_security_cfg(ISPWB),
+	mc_make_sid_security_cfg(GPUSRD2),
+	mc_make_sid_override_cfg(APER),
+	mc_make_sid_override_cfg(VICSRD),
+	mc_make_sid_override_cfg(NVENCSRD),
+	mc_make_sid_override_cfg(NVJPGSWR),
+	mc_make_sid_override_cfg(AONW),
+	mc_make_sid_override_cfg(BPMPR),
+	mc_make_sid_override_cfg(BPMPW),
+	mc_make_sid_override_cfg(HDAW),
+	mc_make_sid_override_cfg(NVDISPLAYR1),
+	mc_make_sid_override_cfg(APEDMAR),
+	mc_make_sid_override_cfg(AFIR),
+	mc_make_sid_override_cfg(AXISR),
+	mc_make_sid_override_cfg(VICSRD1),
+	mc_make_sid_override_cfg(TSECSRD),
+	mc_make_sid_override_cfg(BPMPDMAW),
+	mc_make_sid_override_cfg(MPCOREW),
+	mc_make_sid_override_cfg(XUSB_HOSTR),
+	mc_make_sid_override_cfg(GPUSWR),
+	mc_make_sid_override_cfg(XUSB_DEVR),
+	mc_make_sid_override_cfg(UFSHCW),
+	mc_make_sid_override_cfg(XUSB_HOSTW),
+	mc_make_sid_override_cfg(SDMMCWAB),
+	mc_make_sid_override_cfg(SATAW),
+	mc_make_sid_override_cfg(SCEDMAR),
+	mc_make_sid_override_cfg(HOST1XDMAR),
+	mc_make_sid_override_cfg(SDMMCWA),
+	mc_make_sid_override_cfg(APEDMAW),
+	mc_make_sid_override_cfg(SESWR),
+	mc_make_sid_override_cfg(AXISW),
+	mc_make_sid_override_cfg(AONDMAW),
+	mc_make_sid_override_cfg(TSECSWRB),
+	mc_make_sid_override_cfg(MPCORER),
+	mc_make_sid_override_cfg(ISPWB),
+	mc_make_sid_override_cfg(AONR),
+	mc_make_sid_override_cfg(BPMPDMAR),
+	mc_make_sid_override_cfg(HDAR),
+	mc_make_sid_override_cfg(SDMMCRA),
+	mc_make_sid_override_cfg(ETRW),
+	mc_make_sid_override_cfg(GPUSWR2),
+	mc_make_sid_override_cfg(EQOSR),
+	mc_make_sid_override_cfg(TSECSWR),
+	mc_make_sid_override_cfg(ETRR),
+	mc_make_sid_override_cfg(NVDECSRD),
+	mc_make_sid_override_cfg(TSECSRDB),
+	mc_make_sid_override_cfg(SDMMCRAA),
+	mc_make_sid_override_cfg(NVDECSRD1),
+	mc_make_sid_override_cfg(SDMMCR),
+	mc_make_sid_override_cfg(NVJPGSRD),
+	mc_make_sid_override_cfg(SCEDMAW),
+	mc_make_sid_override_cfg(SDMMCWAA),
+	mc_make_sid_override_cfg(APEW),
+	mc_make_sid_override_cfg(AONDMAR),
+	mc_make_sid_override_cfg(PTCR),
+	mc_make_sid_override_cfg(SCER),
+	mc_make_sid_override_cfg(ISPRA),
+	mc_make_sid_override_cfg(ISPWA),
+	mc_make_sid_override_cfg(VICSWR),
+	mc_make_sid_override_cfg(SESRD),
+	mc_make_sid_override_cfg(SDMMCW),
+	mc_make_sid_override_cfg(SDMMCRAB),
+	mc_make_sid_override_cfg(EQOSW),
+	mc_make_sid_override_cfg(GPUSRD2),
+	mc_make_sid_override_cfg(SCEW),
+	mc_make_sid_override_cfg(GPUSRD),
+	mc_make_sid_override_cfg(NVDECSWR),
+	mc_make_sid_override_cfg(XUSB_DEVW),
+	mc_make_sid_override_cfg(SATAR),
+	mc_make_sid_override_cfg(NVDISPLAYR),
+	mc_make_sid_override_cfg(VIW),
+	mc_make_sid_override_cfg(UFSHCR),
+	mc_make_sid_override_cfg(NVENCSWR),
+	mc_make_sid_override_cfg(AFIW),
+	mc_smmu_bypass_cfg,	/* TBU settings */
+	_END_OF_TABLE_,
+};
+
+/*******************************************************************************
+ * Handler to return the pointer to the MC's context struct
+ ******************************************************************************/
+mc_regs_t *plat_memctrl_get_sys_suspend_ctx(void)
+{
+	/* index of _END_OF_TABLE_ */
+	tegra186_mc_context[0].val = (uint32_t)(ARRAY_SIZE(tegra186_mc_context)) - 1U;
+
+	return tegra186_mc_context;
+}
+
+void plat_memctrl_setup(void)
+{
+	uint32_t val;
+	unsigned int i;
+
+	/* Program all the Stream ID overrides */
+	for (i = 0U; i < ARRAY_SIZE(tegra186_streamid_override_regs); i++) {
+		tegra_mc_streamid_write_32(tegra186_streamid_override_regs[i],
+			MC_STREAM_ID_MAX);
+	}
+
+	/* Program the security config settings for all Stream IDs */
+	for (i = 0U; i < ARRAY_SIZE(tegra186_streamid_sec_cfgs); i++) {
+		val = (tegra186_streamid_sec_cfgs[i].override_enable << 16) |
+		      (tegra186_streamid_sec_cfgs[i].override_client_inputs << 8) |
+		      (tegra186_streamid_sec_cfgs[i].override_client_ns_flag << 0);
+		tegra_mc_streamid_write_32(tegra186_streamid_sec_cfgs[i].offset, val);
+	}
+
+	/*
+	 * Re-configure MSS to allow ROC to deal with ordering of the
+	 * Memory Controller traffic. This is needed as the Memory Controller
+	 * boots with MSS having all control, but ROC provides a performance
+	 * boost as compared to MSS.
+	 */
+	tegra186_memctrl_reconfig_mss_clients();
+
+	/* Program overrides for MC transactions */
+	tegra186_memctrl_set_overrides();
+}
+
+/*******************************************************************************
+ * Handler to restore platform specific settings to the memory controller
+ ******************************************************************************/
+void plat_memctrl_restore(void)
+{
+	/*
+	 * Re-configure MSS to allow ROC to deal with ordering of the
+	 * Memory Controller traffic. This is needed as the Memory Controller
+	 * boots with MSS having all control, but ROC provides a performance
+	 * boost as compared to MSS.
+	 */
+	tegra186_memctrl_reconfig_mss_clients();
+
+	/* Program overrides for MC transactions */
+	tegra186_memctrl_set_overrides();
+}
+
+/*******************************************************************************
+ * Handler to program the scratch registers with TZDRAM settings for the
+ * resume firmware
+ ******************************************************************************/
+void plat_memctrl_tzdram_setup(uint64_t phys_base, uint64_t size_in_bytes)
+{
+	uint32_t val;
+
+	/*
+	 * Setup the Memory controller to allow only secure accesses to
+	 * the TZDRAM carveout
+	 */
+	INFO("Configuring TrustZone DRAM Memory Carveout\n");
+
+	tegra_mc_write_32(MC_SECURITY_CFG0_0, (uint32_t)phys_base);
+	tegra_mc_write_32(MC_SECURITY_CFG3_0, (uint32_t)(phys_base >> 32));
+	tegra_mc_write_32(MC_SECURITY_CFG1_0, size_in_bytes >> 20);
+
+	/*
+	 * When TZ encryption is enabled, we need to setup TZDRAM
+	 * before CPU accesses TZ Carveout, else CPU will fetch
+	 * non-decrypted data. So save TZDRAM setting for SC7 resume
+	 * FW to restore.
+	 *
+	 * Scratch registers map:
+	 *  RSV55_0 = CFG1[12:0] | CFG0[31:20]
+	 *  RSV55_1 = CFG3[1:0]
+	 */
+	val = tegra_mc_read_32(MC_SECURITY_CFG1_0) & MC_SECURITY_SIZE_MB_MASK;
+	val |= tegra_mc_read_32(MC_SECURITY_CFG0_0) & MC_SECURITY_BOM_MASK;
+	mmio_write_32(TEGRA_SCRATCH_BASE + SCRATCH_TZDRAM_ADDR_LO, val);
+
+	val = tegra_mc_read_32(MC_SECURITY_CFG3_0) & MC_SECURITY_BOM_HI_MASK;
+	mmio_write_32(TEGRA_SCRATCH_BASE + SCRATCH_TZDRAM_ADDR_HI, val);
+
+	/*
+	 * MCE propagates the security configuration values across the
+	 * CCPLEX.
+	 */
+	(void)mce_update_gsc_tzdram();
+}
diff --git a/plat/nvidia/tegra/soc/t186/plat_psci_handlers.c b/plat/nvidia/tegra/soc/t186/plat_psci_handlers.c
new file mode 100644
index 0000000..af4182e
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t186/plat_psci_handlers.c
@@ -0,0 +1,472 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <stdbool.h>
+#include <string.h>
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <context.h>
+#include <cortex_a57.h>
+#include <denver.h>
+#include <lib/el3_runtime/context_mgmt.h>
+#include <lib/psci/psci.h>
+#include <plat/common/platform.h>
+
+#include <bpmp_ipc.h>
+#include <mce.h>
+#include <memctrl_v2.h>
+#include <security_engine.h>
+#include <smmu.h>
+#include <t18x_ari.h>
+#include <tegra186_private.h>
+#include <tegra_private.h>
+
+extern void memcpy16(void *dest, const void *src, unsigned int length);
+
+/* state id mask */
+#define TEGRA186_STATE_ID_MASK		0xFU
+/* constants to get power state's wake time */
+#define TEGRA186_WAKE_TIME_MASK		0x0FFFFFF0U
+#define TEGRA186_WAKE_TIME_SHIFT	4U
+/* default core wake mask for CPU_SUSPEND */
+#define TEGRA186_CORE_WAKE_MASK		0x180cU
+/* context size to save during system suspend */
+#define TEGRA186_SE_CONTEXT_SIZE	3U
+
+static uint32_t se_regs[TEGRA186_SE_CONTEXT_SIZE];
+static struct tegra_psci_percpu_data {
+	uint32_t wake_time;
+} __aligned(CACHE_WRITEBACK_GRANULE) tegra_percpu_data[PLATFORM_CORE_COUNT];
+
+int32_t tegra_soc_validate_power_state(uint32_t power_state,
+					psci_power_state_t *req_state)
+{
+	uint8_t state_id = (uint8_t)psci_get_pstate_id(power_state) & TEGRA186_STATE_ID_MASK;
+	uint32_t cpu = plat_my_core_pos();
+	int32_t ret = PSCI_E_SUCCESS;
+
+	/* save the core wake time (in TSC ticks)*/
+	tegra_percpu_data[cpu].wake_time = (power_state & TEGRA186_WAKE_TIME_MASK)
+			<< TEGRA186_WAKE_TIME_SHIFT;
+
+	/*
+	 * Clean percpu_data[cpu] to DRAM. This needs to be done to ensure that
+	 * the correct value is read in tegra_soc_pwr_domain_suspend(), which
+	 * is called with caches disabled. It is possible to read a stale value
+	 * from DRAM in that function, because the L2 cache is not flushed
+	 * unless the cluster is entering CC6/CC7.
+	 */
+	clean_dcache_range((uint64_t)&tegra_percpu_data[cpu],
+			sizeof(tegra_percpu_data[cpu]));
+
+	/* Sanity check the requested state id */
+	switch (state_id) {
+	case PSTATE_ID_CORE_IDLE:
+	case PSTATE_ID_CORE_POWERDN:
+
+		if (psci_get_pstate_type(power_state) != PSTATE_TYPE_POWERDOWN) {
+			ret = PSCI_E_INVALID_PARAMS;
+			break;
+		}
+
+		/* Core powerdown request */
+		req_state->pwr_domain_state[MPIDR_AFFLVL0] = state_id;
+		req_state->pwr_domain_state[MPIDR_AFFLVL1] = state_id;
+
+		break;
+
+	default:
+		ERROR("%s: unsupported state id (%d)\n", __func__, state_id);
+		ret = PSCI_E_INVALID_PARAMS;
+		break;
+	}
+
+	return ret;
+}
+
+int32_t tegra_soc_cpu_standby(plat_local_state_t cpu_state)
+{
+	(void)cpu_state;
+	return PSCI_E_SUCCESS;
+}
+
+int32_t tegra_soc_pwr_domain_suspend(const psci_power_state_t *target_state)
+{
+	const plat_local_state_t *pwr_domain_state;
+	uint8_t stateid_afflvl0, stateid_afflvl2;
+	uint32_t cpu = plat_my_core_pos();
+	const plat_params_from_bl2_t *params_from_bl2 = bl31_get_plat_params();
+	mce_cstate_info_t cstate_info = { 0 };
+	uint64_t mc_ctx_base;
+	uint32_t val;
+
+	/* get the state ID */
+	pwr_domain_state = target_state->pwr_domain_state;
+	stateid_afflvl0 = pwr_domain_state[MPIDR_AFFLVL0] &
+		TEGRA186_STATE_ID_MASK;
+	stateid_afflvl2 = pwr_domain_state[PLAT_MAX_PWR_LVL] &
+		TEGRA186_STATE_ID_MASK;
+
+	if ((stateid_afflvl0 == PSTATE_ID_CORE_IDLE) ||
+	    (stateid_afflvl0 == PSTATE_ID_CORE_POWERDN)) {
+
+		/* Enter CPU idle/powerdown */
+		val = (stateid_afflvl0 == PSTATE_ID_CORE_IDLE) ?
+			(uint32_t)TEGRA_ARI_CORE_C6 : (uint32_t)TEGRA_ARI_CORE_C7;
+		(void)mce_command_handler((uint64_t)MCE_CMD_ENTER_CSTATE, (uint64_t)val,
+				tegra_percpu_data[cpu].wake_time, 0U);
+
+	} else if (stateid_afflvl2 == PSTATE_ID_SOC_POWERDN) {
+
+		/* save SE registers */
+		se_regs[0] = mmio_read_32(TEGRA_SE0_BASE +
+				SE_MUTEX_WATCHDOG_NS_LIMIT);
+		se_regs[1] = mmio_read_32(TEGRA_RNG1_BASE +
+				RNG_MUTEX_WATCHDOG_NS_LIMIT);
+		se_regs[2] = mmio_read_32(TEGRA_PKA1_BASE +
+				PKA_MUTEX_WATCHDOG_NS_LIMIT);
+
+		/* save 'Secure Boot' Processor Feature Config Register */
+		val = mmio_read_32(TEGRA_MISC_BASE + MISCREG_PFCFG);
+		mmio_write_32(TEGRA_SCRATCH_BASE + SCRATCH_SECURE_BOOTP_FCFG, val);
+
+		/* save MC context to TZDRAM */
+		mc_ctx_base = params_from_bl2->tzdram_base;
+		tegra_mc_save_context((uintptr_t)mc_ctx_base);
+
+		/* Prepare for system suspend */
+		cstate_info.cluster = (uint32_t)TEGRA_ARI_CLUSTER_CC7;
+		cstate_info.system = (uint32_t)TEGRA_ARI_SYSTEM_SC7;
+		cstate_info.system_state_force = 1;
+		cstate_info.update_wake_mask = 1;
+		mce_update_cstate_info(&cstate_info);
+
+		/* Loop until system suspend is allowed */
+		do {
+			val = (uint32_t)mce_command_handler(
+					(uint64_t)MCE_CMD_IS_SC7_ALLOWED,
+					(uint64_t)TEGRA_ARI_CORE_C7,
+					MCE_CORE_SLEEP_TIME_INFINITE,
+					0U);
+		} while (val == 0U);
+
+		/* Instruct the MCE to enter system suspend state */
+		(void)mce_command_handler((uint64_t)MCE_CMD_ENTER_CSTATE,
+			(uint64_t)TEGRA_ARI_CORE_C7, MCE_CORE_SLEEP_TIME_INFINITE, 0U);
+
+	} else {
+		; /* do nothing */
+	}
+
+	return PSCI_E_SUCCESS;
+}
+
+/*******************************************************************************
+ * Helper function to check if this is the last ON CPU in the cluster
+ ******************************************************************************/
+static bool tegra_last_cpu_in_cluster(const plat_local_state_t *states,
+			uint32_t ncpu)
+{
+	plat_local_state_t target;
+	bool last_on_cpu = true;
+	uint32_t num_cpus = ncpu, pos = 0;
+
+	do {
+		target = states[pos];
+		if (target != PLAT_MAX_OFF_STATE) {
+			last_on_cpu = false;
+		}
+		--num_cpus;
+		pos++;
+	} while (num_cpus != 0U);
+
+	return last_on_cpu;
+}
+
+/*******************************************************************************
+ * Helper function to get target power state for the cluster
+ ******************************************************************************/
+static plat_local_state_t tegra_get_afflvl1_pwr_state(const plat_local_state_t *states,
+			uint32_t ncpu)
+{
+	uint32_t core_pos = (uint32_t)read_mpidr() & (uint32_t)MPIDR_CPU_MASK;
+	uint32_t cpu = plat_my_core_pos();
+	int32_t ret;
+	plat_local_state_t target = states[core_pos];
+	mce_cstate_info_t cstate_info = { 0 };
+
+	/* CPU suspend */
+	if (target == PSTATE_ID_CORE_POWERDN) {
+		/* Program default wake mask */
+		cstate_info.wake_mask = TEGRA186_CORE_WAKE_MASK;
+		cstate_info.update_wake_mask = 1;
+		mce_update_cstate_info(&cstate_info);
+
+		/* Check if CCx state is allowed. */
+		ret = mce_command_handler((uint64_t)MCE_CMD_IS_CCX_ALLOWED,
+				(uint64_t)TEGRA_ARI_CORE_C7,
+				tegra_percpu_data[cpu].wake_time,
+				0U);
+		if (ret == 0) {
+			target = PSCI_LOCAL_STATE_RUN;
+		}
+	}
+
+	/* CPU off */
+	if (target == PLAT_MAX_OFF_STATE) {
+		/* Enable cluster powerdn from last CPU in the cluster */
+		if (tegra_last_cpu_in_cluster(states, ncpu)) {
+			/* Enable CC7 state and turn off wake mask */
+			cstate_info.cluster = (uint32_t)TEGRA_ARI_CLUSTER_CC7;
+			cstate_info.update_wake_mask = 1;
+			mce_update_cstate_info(&cstate_info);
+
+			/* Check if CCx state is allowed. */
+			ret = mce_command_handler((uint64_t)MCE_CMD_IS_CCX_ALLOWED,
+						  (uint64_t)TEGRA_ARI_CORE_C7,
+						  MCE_CORE_SLEEP_TIME_INFINITE,
+						  0U);
+			if (ret == 0) {
+				target = PSCI_LOCAL_STATE_RUN;
+			}
+
+		} else {
+
+			/* Turn off wake_mask */
+			cstate_info.update_wake_mask = 1;
+			mce_update_cstate_info(&cstate_info);
+			target = PSCI_LOCAL_STATE_RUN;
+		}
+	}
+
+	return target;
+}
+
+/*******************************************************************************
+ * Platform handler to calculate the proper target power level at the
+ * specified affinity level
+ ******************************************************************************/
+plat_local_state_t tegra_soc_get_target_pwr_state(uint32_t lvl,
+					     const plat_local_state_t *states,
+					     uint32_t ncpu)
+{
+	plat_local_state_t target = PSCI_LOCAL_STATE_RUN;
+	uint32_t cpu = plat_my_core_pos();
+
+	/* System Suspend */
+	if ((lvl == (uint32_t)MPIDR_AFFLVL2) &&
+	    (states[cpu] == PSTATE_ID_SOC_POWERDN)) {
+		target = PSTATE_ID_SOC_POWERDN;
+	}
+
+	/* CPU off, CPU suspend */
+	if (lvl == (uint32_t)MPIDR_AFFLVL1) {
+		target = tegra_get_afflvl1_pwr_state(states, ncpu);
+	}
+
+	/* target cluster/system state */
+	return target;
+}
+
+int32_t tegra_soc_pwr_domain_power_down_wfi(const psci_power_state_t *target_state)
+{
+	const plat_local_state_t *pwr_domain_state =
+		target_state->pwr_domain_state;
+	const plat_params_from_bl2_t *params_from_bl2 = bl31_get_plat_params();
+	uint8_t stateid_afflvl2 = pwr_domain_state[PLAT_MAX_PWR_LVL] &
+		TEGRA186_STATE_ID_MASK;
+	uint64_t val;
+	uint64_t src_len_in_bytes = (uint64_t)(((uintptr_t)(&__BL31_END__) -
+					(uintptr_t)BL31_BASE));
+	int32_t ret;
+
+	if (stateid_afflvl2 == PSTATE_ID_SOC_POWERDN) {
+		val = params_from_bl2->tzdram_base +
+			tegra186_get_mc_ctx_size();
+
+		/* Initialise communication channel with BPMP */
+		assert(tegra_bpmp_ipc_init() == 0);
+
+		/* Enable SE clock */
+		ret = tegra_bpmp_ipc_enable_clock(TEGRA186_CLK_SE);
+		if (ret != 0) {
+			ERROR("Failed to enable clock\n");
+			return ret;
+		}
+
+		/*
+		 * Generate/save SHA256 of ATF during SC7 entry
+		 */
+		if (tegra_se_save_sha256_hash(BL31_BASE,
+					(uint32_t)src_len_in_bytes) != 0) {
+			ERROR("Hash calculation failed. Reboot\n");
+			(void)tegra_soc_prepare_system_reset();
+		}
+
+		/*
+		 * The TZRAM loses power when we enter system suspend. To
+		 * allow graceful exit from system suspend, we need to copy
+		 * BL3-1 over to TZDRAM.
+		 */
+		val = params_from_bl2->tzdram_base +
+			tegra186_get_mc_ctx_size();
+		memcpy16((void *)(uintptr_t)val, (void *)(uintptr_t)BL31_BASE,
+			 (uintptr_t)BL31_END - (uintptr_t)BL31_BASE);
+
+		/*
+		 * Save code base and size; this would be used by SC7-RF to
+		 * verify binary
+		 */
+		mmio_write_32(TEGRA_SCRATCH_BASE + SECURE_SCRATCH_RSV68_LO,
+				(uint32_t)val);
+		mmio_write_32(TEGRA_SCRATCH_BASE + SECURE_SCRATCH_RSV0_HI,
+				(uint32_t)src_len_in_bytes);
+
+		ret = tegra_bpmp_ipc_disable_clock(TEGRA186_CLK_SE);
+		if (ret != 0) {
+			ERROR("Failed to disable clock\n");
+			return ret;
+		}
+	}
+
+	return PSCI_E_SUCCESS;
+}
+
+int32_t tegra_soc_pwr_domain_suspend_pwrdown_early(const psci_power_state_t *target_state)
+{
+	return PSCI_E_NOT_SUPPORTED;
+}
+
+int32_t tegra_soc_pwr_domain_on(u_register_t mpidr)
+{
+	int32_t ret = PSCI_E_SUCCESS;
+	uint64_t target_cpu = mpidr & MPIDR_CPU_MASK;
+	uint64_t target_cluster = (mpidr & MPIDR_CLUSTER_MASK) >>
+			MPIDR_AFFINITY_BITS;
+
+	if (target_cluster > ((uint32_t)PLATFORM_CLUSTER_COUNT - 1U)) {
+
+		ERROR("%s: unsupported CPU (0x%lx)\n", __func__, mpidr);
+		ret = PSCI_E_NOT_PRESENT;
+
+	} else {
+		/* construct the target CPU # */
+		target_cpu |= (target_cluster << 2);
+
+		(void)mce_command_handler((uint64_t)MCE_CMD_ONLINE_CORE, target_cpu, 0U, 0U);
+	}
+
+	return ret;
+}
+
+int32_t tegra_soc_pwr_domain_on_finish(const psci_power_state_t *target_state)
+{
+	uint8_t stateid_afflvl2 = target_state->pwr_domain_state[PLAT_MAX_PWR_LVL];
+	uint8_t stateid_afflvl0 = target_state->pwr_domain_state[MPIDR_AFFLVL0];
+	mce_cstate_info_t cstate_info = { 0 };
+	uint64_t impl, val;
+	const plat_params_from_bl2_t *plat_params = bl31_get_plat_params();
+
+	impl = (read_midr() >> MIDR_IMPL_SHIFT) & MIDR_IMPL_MASK;
+
+	/*
+	 * Enable ECC and Parity Protection for Cortex-A57 CPUs (Tegra186
+	 * A02p and beyond).
+	 */
+	if ((plat_params->l2_ecc_parity_prot_dis != 1) && (impl != DENVER_IMPL)) {
+
+		val = read_l2ctlr_el1();
+		val |= CORTEX_A57_L2_ECC_PARITY_PROTECTION_BIT;
+		write_l2ctlr_el1(val);
+	}
+
+	/*
+	 * Reset power state info for CPUs when onlining, we set
+	 * deepest power when offlining a core but that may not be
+	 * requested by non-secure sw which controls idle states. It
+	 * will re-init this info from non-secure software when the
+	 * core come online.
+	 */
+	if (stateid_afflvl0 == PLAT_MAX_OFF_STATE) {
+
+		cstate_info.cluster = (uint32_t)TEGRA_ARI_CLUSTER_CC1;
+		cstate_info.update_wake_mask = 1;
+		mce_update_cstate_info(&cstate_info);
+	}
+
+	/*
+	 * Check if we are exiting from deep sleep and restore SE
+	 * context if we are.
+	 */
+	if (stateid_afflvl2 == PSTATE_ID_SOC_POWERDN) {
+
+		mmio_write_32(TEGRA_SE0_BASE + SE_MUTEX_WATCHDOG_NS_LIMIT,
+			se_regs[0]);
+		mmio_write_32(TEGRA_RNG1_BASE + RNG_MUTEX_WATCHDOG_NS_LIMIT,
+			se_regs[1]);
+		mmio_write_32(TEGRA_PKA1_BASE + PKA_MUTEX_WATCHDOG_NS_LIMIT,
+			se_regs[2]);
+
+		/* Init SMMU */
+		tegra_smmu_init();
+
+		/*
+		 * Reset power state info for the last core doing SC7
+		 * entry and exit, we set deepest power state as CC7
+		 * and SC7 for SC7 entry which may not be requested by
+		 * non-secure SW which controls idle states.
+		 */
+		cstate_info.cluster = (uint32_t)TEGRA_ARI_CLUSTER_CC7;
+		cstate_info.system = (uint32_t)TEGRA_ARI_SYSTEM_SC1;
+		cstate_info.update_wake_mask = 1;
+		mce_update_cstate_info(&cstate_info);
+	}
+
+	return PSCI_E_SUCCESS;
+}
+
+int32_t tegra_soc_pwr_domain_off(const psci_power_state_t *target_state)
+{
+	uint64_t impl = (read_midr() >> MIDR_IMPL_SHIFT) & (uint64_t)MIDR_IMPL_MASK;
+
+	(void)target_state;
+
+	/* Disable Denver's DCO operations */
+	if (impl == DENVER_IMPL) {
+		denver_disable_dco();
+	}
+
+	/* Turn off CPU */
+	(void)mce_command_handler((uint64_t)MCE_CMD_ENTER_CSTATE,
+			(uint64_t)TEGRA_ARI_CORE_C7, MCE_CORE_SLEEP_TIME_INFINITE, 0U);
+
+	return PSCI_E_SUCCESS;
+}
+
+__dead2 void tegra_soc_prepare_system_off(void)
+{
+	/* power off the entire system */
+	mce_enter_ccplex_state((uint32_t)TEGRA_ARI_MISC_CCPLEX_SHUTDOWN_POWER_OFF);
+
+	wfi();
+
+	/* wait for the system to power down */
+	for (;;) {
+		;
+	}
+}
+
+int32_t tegra_soc_prepare_system_reset(void)
+{
+	mce_enter_ccplex_state((uint32_t)TEGRA_ARI_MISC_CCPLEX_SHUTDOWN_REBOOT);
+
+	return PSCI_E_SUCCESS;
+}
diff --git a/plat/nvidia/tegra/soc/t186/plat_secondary.c b/plat/nvidia/tegra/soc/t186/plat_secondary.c
new file mode 100644
index 0000000..fbb550a
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t186/plat_secondary.c
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <string.h>
+
+#include <arch_helpers.h>
+#include <common/debug.h>
+#include <lib/mmio.h>
+
+#include <mce.h>
+#include <tegra_def.h>
+#include <tegra_private.h>
+
+#define SCRATCH_SECURE_RSV1_SCRATCH_0	0x658U
+#define SCRATCH_SECURE_RSV1_SCRATCH_1	0x65CU
+
+#define CPU_RESET_MODE_AA64		1U
+
+/*******************************************************************************
+ * Setup secondary CPU vectors
+ ******************************************************************************/
+void plat_secondary_setup(void)
+{
+	uint32_t addr_low, addr_high;
+
+	INFO("Setting up secondary CPU boot\n");
+
+	/* TZDRAM base will be used as the "resume" address */
+	addr_low = (uintptr_t)&tegra_secure_entrypoint | CPU_RESET_MODE_AA64;
+	addr_high = (uintptr_t)(((uintptr_t)&tegra_secure_entrypoint >> 32U) & 0x7ffU);
+
+	/* save reset vector to be used during SYSTEM_SUSPEND exit */
+	mmio_write_32(TEGRA_SCRATCH_BASE + SCRATCH_RESET_VECTOR_LO,
+			addr_low);
+	mmio_write_32(TEGRA_SCRATCH_BASE + SCRATCH_RESET_VECTOR_HI,
+			addr_high);
+}
diff --git a/plat/nvidia/tegra/soc/t186/plat_setup.c b/plat/nvidia/tegra/soc/t186/plat_setup.c
new file mode 100644
index 0000000..d6d090a
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t186/plat_setup.c
@@ -0,0 +1,397 @@
+/*
+ * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+
+#include <arch_helpers.h>
+#include <bl31/bl31.h>
+#include <bl31/interrupt_mgmt.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <common/ep_info.h>
+#include <common/interrupt_props.h>
+#include <context.h>
+#include <cortex_a57.h>
+#include <denver.h>
+#include <drivers/arm/gic_common.h>
+#include <drivers/arm/gicv2.h>
+#include <drivers/console.h>
+#include <lib/el3_runtime/context_mgmt.h>
+#include <lib/utils.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+#include <plat/common/platform.h>
+
+#include <mce.h>
+#include <memctrl.h>
+#include <smmu.h>
+#include <tegra_def.h>
+#include <tegra_platform.h>
+#include <tegra_private.h>
+
+extern void memcpy16(void *dest, const void *src, unsigned int length);
+
+/*******************************************************************************
+ * Tegra186 CPU numbers in cluster #0
+ *******************************************************************************
+ */
+#define TEGRA186_CLUSTER0_CORE2		2U
+#define TEGRA186_CLUSTER0_CORE3		3U
+
+/*******************************************************************************
+ * The Tegra power domain tree has a single system level power domain i.e. a
+ * single root node. The first entry in the power domain descriptor specifies
+ * the number of power domains at the highest power level.
+ *******************************************************************************
+ */
+static const uint8_t tegra_power_domain_tree_desc[] = {
+	/* No of root nodes */
+	1,
+	/* No of clusters */
+	PLATFORM_CLUSTER_COUNT,
+	/* No of CPU cores - cluster0 */
+	PLATFORM_MAX_CPUS_PER_CLUSTER,
+	/* No of CPU cores - cluster1 */
+	PLATFORM_MAX_CPUS_PER_CLUSTER
+};
+
+/*******************************************************************************
+ * This function returns the Tegra default topology tree information.
+ ******************************************************************************/
+const uint8_t *plat_get_power_domain_tree_desc(void)
+{
+	return tegra_power_domain_tree_desc;
+}
+
+/*
+ * Table of regions to map using the MMU.
+ */
+static const mmap_region_t tegra_mmap[] = {
+	MAP_REGION_FLAT(TEGRA_MISC_BASE, 0x10000U, /* 64KB */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_TSA_BASE, 0x20000U, /* 128KB */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_MC_STREAMID_BASE, 0x10000U, /* 64KB */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_MC_BASE, 0x10000U, /* 64KB */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_UARTA_BASE, 0x20000U, /* 128KB - UART A, B*/
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_UARTC_BASE, 0x20000U, /* 128KB - UART C, G */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_UARTD_BASE, 0x30000U, /* 192KB - UART D, E, F */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_FUSE_BASE, 0x10000U, /* 64KB */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_GICD_BASE, 0x20000U, /* 128KB */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_SE0_BASE, 0x10000U, /* 64KB */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_PKA1_BASE, 0x10000U, /* 64KB */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_RNG1_BASE, 0x10000U, /* 64KB */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_CAR_RESET_BASE, 0x10000U, /* 64KB */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_PMC_BASE, 0x40000U, /* 256KB */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_TMRUS_BASE, 0x1000U, /* 4KB */
+			MT_DEVICE | MT_RO | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_SCRATCH_BASE, 0x10000U, /* 64KB */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_MMCRAB_BASE, 0x60000U, /* 384KB */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_ARM_ACTMON_CTR_BASE, 0x20000U, /* 128KB - ARM/Denver */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_SMMU0_BASE, 0x1000000U, /* 64KB */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_HSP_DBELL_BASE, 0x10000U, /* 64KB */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_BPMP_IPC_TX_PHYS_BASE, TEGRA_BPMP_IPC_CH_MAP_SIZE, /* 4KB */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_BPMP_IPC_RX_PHYS_BASE, TEGRA_BPMP_IPC_CH_MAP_SIZE, /* 4KB */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	{0}
+};
+
+/*******************************************************************************
+ * Set up the pagetables as per the platform memory map & initialize the MMU
+ ******************************************************************************/
+const mmap_region_t *plat_get_mmio_map(void)
+{
+	/* MMIO space */
+	return tegra_mmap;
+}
+
+/*******************************************************************************
+ * Handler to get the System Counter Frequency
+ ******************************************************************************/
+uint32_t plat_get_syscnt_freq2(void)
+{
+	return 31250000;
+}
+
+/*******************************************************************************
+ * Maximum supported UART controllers
+ ******************************************************************************/
+#define TEGRA186_MAX_UART_PORTS		7
+
+/*******************************************************************************
+ * This variable holds the UART port base addresses
+ ******************************************************************************/
+static uint32_t tegra186_uart_addresses[TEGRA186_MAX_UART_PORTS + 1] = {
+	0,	/* undefined - treated as an error case */
+	TEGRA_UARTA_BASE,
+	TEGRA_UARTB_BASE,
+	TEGRA_UARTC_BASE,
+	TEGRA_UARTD_BASE,
+	TEGRA_UARTE_BASE,
+	TEGRA_UARTF_BASE,
+	TEGRA_UARTG_BASE,
+};
+
+/*******************************************************************************
+ * Enable console corresponding to the console ID
+ ******************************************************************************/
+void plat_enable_console(int32_t id)
+{
+	static console_t uart_console;
+	uint32_t console_clock;
+
+	if ((id > 0) && (id < TEGRA186_MAX_UART_PORTS)) {
+		/*
+		 * Reference clock used by the FPGAs is a lot slower.
+		 */
+		if (tegra_platform_is_fpga()) {
+			console_clock = TEGRA_BOOT_UART_CLK_13_MHZ;
+		} else {
+			console_clock = TEGRA_BOOT_UART_CLK_408_MHZ;
+		}
+
+		(void)console_16550_register(tegra186_uart_addresses[id],
+					     console_clock,
+					     TEGRA_CONSOLE_BAUDRATE,
+					     &uart_console);
+		console_set_scope(&uart_console, CONSOLE_FLAG_BOOT |
+			CONSOLE_FLAG_RUNTIME | CONSOLE_FLAG_CRASH);
+	}
+}
+
+/*******************************************************************************
+ * Handler for early platform setup
+ ******************************************************************************/
+void plat_early_platform_setup(void)
+{
+	uint64_t impl, val;
+	const plat_params_from_bl2_t *plat_params = bl31_get_plat_params();
+	const struct tegra_bl31_params *arg_from_bl2 = plat_get_bl31_params();
+
+	/* Verify chip id is t186 */
+	assert(tegra_chipid_is_t186());
+
+	/* sanity check MCE firmware compatibility */
+	mce_verify_firmware_version();
+
+	/*
+	 * Do initial security configuration to allow DRAM/device access.
+	 */
+	tegra_memctrl_tzdram_setup(plat_params->tzdram_base,
+			(uint32_t)plat_params->tzdram_size);
+
+	impl = (read_midr() >> MIDR_IMPL_SHIFT) & (uint64_t)MIDR_IMPL_MASK;
+
+	/*
+	 * Enable ECC and Parity Protection for Cortex-A57 CPUs (Tegra186
+	 * A02p and beyond).
+	 */
+	if ((plat_params->l2_ecc_parity_prot_dis != 1) &&
+	    (impl != (uint64_t)DENVER_IMPL)) {
+
+		val = read_l2ctlr_el1();
+		val |= CORTEX_A57_L2_ECC_PARITY_PROTECTION_BIT;
+		write_l2ctlr_el1(val);
+	}
+
+	/*
+	 * The previous bootloader might not have placed the BL32 image
+	 * inside the TZDRAM. Platform handler to allow relocation of BL32
+	 * image to TZDRAM memory. This behavior might change per platform.
+	 */
+	plat_relocate_bl32_image(arg_from_bl2->bl32_image_info);
+}
+
+/*******************************************************************************
+ * Handler for late platform setup
+ ******************************************************************************/
+void plat_late_platform_setup(void)
+{
+	; /* do nothing */
+}
+
+/* Secure IRQs for Tegra186 */
+static const interrupt_prop_t tegra186_interrupt_props[] = {
+	INTR_PROP_DESC(TEGRA_SDEI_SGI_PRIVATE, PLAT_SDEI_CRITICAL_PRI,
+			GICV2_INTR_GROUP0, GIC_INTR_CFG_EDGE),
+	INTR_PROP_DESC(TEGRA186_TOP_WDT_IRQ, PLAT_TEGRA_WDT_PRIO,
+			GICV2_INTR_GROUP0, GIC_INTR_CFG_EDGE),
+	INTR_PROP_DESC(TEGRA186_AON_WDT_IRQ, PLAT_TEGRA_WDT_PRIO,
+			GICV2_INTR_GROUP0, GIC_INTR_CFG_EDGE)
+};
+
+/*******************************************************************************
+ * Initialize the GIC and SGIs
+ ******************************************************************************/
+void plat_gic_setup(void)
+{
+	tegra_gic_setup(tegra186_interrupt_props, ARRAY_SIZE(tegra186_interrupt_props));
+	tegra_gic_init();
+
+	/*
+	 * Initialize the FIQ handler only if the platform supports any
+	 * FIQ interrupt sources.
+	 */
+	tegra_fiq_handler_setup();
+}
+
+/*******************************************************************************
+ * Return pointer to the BL31 params from previous bootloader
+ ******************************************************************************/
+struct tegra_bl31_params *plat_get_bl31_params(void)
+{
+	uint32_t val;
+
+	val = mmio_read_32(TEGRA_SCRATCH_BASE + SCRATCH_BL31_PARAMS_ADDR);
+
+	return (struct tegra_bl31_params *)(uintptr_t)val;
+}
+
+/*******************************************************************************
+ * Return pointer to the BL31 platform params from previous bootloader
+ ******************************************************************************/
+plat_params_from_bl2_t *plat_get_bl31_plat_params(void)
+{
+	uint32_t val;
+
+	val = mmio_read_32(TEGRA_SCRATCH_BASE + SCRATCH_BL31_PLAT_PARAMS_ADDR);
+
+	return (plat_params_from_bl2_t *)(uintptr_t)val;
+}
+
+/*******************************************************************************
+ * This function implements a part of the critical interface between the psci
+ * generic layer and the platform that allows the former to query the platform
+ * to convert an MPIDR to a unique linear index. An error code (-1) is returned
+ * in case the MPIDR is invalid.
+ ******************************************************************************/
+int32_t plat_core_pos_by_mpidr(u_register_t mpidr)
+{
+	u_register_t cluster_id, cpu_id, pos;
+	int32_t ret;
+
+	cluster_id = (mpidr >> (u_register_t)MPIDR_AFF1_SHIFT) & (u_register_t)MPIDR_AFFLVL_MASK;
+	cpu_id = (mpidr >> (u_register_t)MPIDR_AFF0_SHIFT) & (u_register_t)MPIDR_AFFLVL_MASK;
+
+	/*
+	 * Validate cluster_id by checking whether it represents
+	 * one of the two clusters present on the platform.
+	 * Validate cpu_id by checking whether it represents a CPU in
+	 * one of the two clusters present on the platform.
+	 */
+	if ((cluster_id >= (u_register_t)PLATFORM_CLUSTER_COUNT) ||
+	    (cpu_id >= (u_register_t)PLATFORM_MAX_CPUS_PER_CLUSTER)) {
+		ret = PSCI_E_NOT_PRESENT;
+	} else {
+		/* calculate the core position */
+		pos = cpu_id + (cluster_id << 2U);
+
+		/* check for non-existent CPUs */
+		if ((pos == TEGRA186_CLUSTER0_CORE2) || (pos == TEGRA186_CLUSTER0_CORE3)) {
+			ret = PSCI_E_NOT_PRESENT;
+		} else {
+			ret = (int32_t)pos;
+		}
+	}
+
+	return ret;
+}
+
+/*******************************************************************************
+ * Handler to relocate BL32 image to TZDRAM
+ ******************************************************************************/
+void plat_relocate_bl32_image(const image_info_t *bl32_img_info)
+{
+	const plat_params_from_bl2_t *plat_bl31_params = plat_get_bl31_plat_params();
+	const entry_point_info_t *bl32_ep_info = bl31_plat_get_next_image_ep_info(SECURE);
+	uint64_t tzdram_start, tzdram_end, bl32_start, bl32_end;
+
+	if ((bl32_img_info != NULL) && (bl32_ep_info != NULL)) {
+
+		/* Relocate BL32 if it resides outside of the TZDRAM */
+		tzdram_start = plat_bl31_params->tzdram_base;
+		tzdram_end = plat_bl31_params->tzdram_base +
+				plat_bl31_params->tzdram_size;
+		bl32_start = bl32_img_info->image_base;
+		bl32_end = bl32_img_info->image_base + bl32_img_info->image_size;
+
+		assert(tzdram_end > tzdram_start);
+		assert(bl32_end > bl32_start);
+		assert(bl32_ep_info->pc > tzdram_start);
+		assert(bl32_ep_info->pc < tzdram_end);
+
+		/* relocate BL32 */
+		if ((bl32_start >= tzdram_end) || (bl32_end <= tzdram_start)) {
+
+			INFO("Relocate BL32 to TZDRAM\n");
+
+			(void)memcpy16((void *)(uintptr_t)bl32_ep_info->pc,
+				(void *)(uintptr_t)bl32_start,
+				bl32_img_info->image_size);
+
+			/* clean up non-secure intermediate buffer */
+			zeromem((void *)(uintptr_t)bl32_start,
+				bl32_img_info->image_size);
+		}
+	}
+}
+
+/*******************************************************************************
+ * Handler to indicate support for System Suspend
+ ******************************************************************************/
+bool plat_supports_system_suspend(void)
+{
+	return true;
+}
+/*******************************************************************************
+ * Platform specific runtime setup.
+ ******************************************************************************/
+void plat_runtime_setup(void)
+{
+	/*
+	 * During cold boot, it is observed that the arbitration
+	 * bit is set in the Memory controller leading to false
+	 * error interrupts in the non-secure world. To avoid
+	 * this, clean the interrupt status register before
+	 * booting into the non-secure world
+	 */
+	tegra_memctrl_clear_pending_interrupts();
+
+	/*
+	 * During boot, USB3 and flash media (SDMMC/SATA) devices need
+	 * access to IRAM. Because these clients connect to the MC and
+	 * do not have a direct path to the IRAM, the MC implements AHB
+	 * redirection during boot to allow path to IRAM. In this mode
+	 * accesses to a programmed memory address aperture are directed
+	 * to the AHB bus, allowing access to the IRAM. This mode must be
+	 * disabled before we jump to the non-secure world.
+	 */
+	tegra_memctrl_disable_ahb_redirection();
+
+	/*
+	 * Verify the integrity of the previously configured SMMU(s)
+	 * settings
+	 */
+	tegra_smmu_verify();
+}
diff --git a/plat/nvidia/tegra/soc/t186/plat_sip_calls.c b/plat/nvidia/tegra/soc/t186/plat_sip_calls.c
new file mode 100644
index 0000000..4de8a9e
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t186/plat_sip_calls.c
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <errno.h>
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <common/runtime_svc.h>
+#include <denver.h>
+#include <lib/el3_runtime/context_mgmt.h>
+
+#include <mce.h>
+#include <memctrl.h>
+#include <t18x_ari.h>
+#include <tegra_private.h>
+
+/*******************************************************************************
+ * Offset to read the ref_clk counter value
+ ******************************************************************************/
+#define REF_CLK_OFFSET		4ULL
+
+/*******************************************************************************
+ * Tegra186 SiP SMCs
+ ******************************************************************************/
+#define TEGRA_SIP_GET_ACTMON_CLK_COUNTERS		0xC2FFFE02
+#define TEGRA_SIP_MCE_CMD_ENTER_CSTATE			0xC2FFFF00
+#define TEGRA_SIP_MCE_CMD_UPDATE_CSTATE_INFO		0xC2FFFF01
+#define TEGRA_SIP_MCE_CMD_UPDATE_CROSSOVER_TIME		0xC2FFFF02
+#define TEGRA_SIP_MCE_CMD_READ_CSTATE_STATS		0xC2FFFF03
+#define TEGRA_SIP_MCE_CMD_WRITE_CSTATE_STATS		0xC2FFFF04
+#define TEGRA_SIP_MCE_CMD_IS_SC7_ALLOWED		0xC2FFFF05
+
+#define TEGRA_SIP_MCE_CMD_CC3_CTRL			0xC2FFFF07
+#define TEGRA_SIP_MCE_CMD_ECHO_DATA			0xC2FFFF08
+#define TEGRA_SIP_MCE_CMD_READ_VERSIONS			0xC2FFFF09
+#define TEGRA_SIP_MCE_CMD_ENUM_FEATURES			0xC2FFFF0A
+#define TEGRA_SIP_MCE_CMD_ROC_FLUSH_CACHE_TRBITS	0xC2FFFF0B
+#define TEGRA_SIP_MCE_CMD_ENUM_READ_MCA			0xC2FFFF0C
+#define TEGRA_SIP_MCE_CMD_ENUM_WRITE_MCA		0xC2FFFF0D
+#define TEGRA_SIP_MCE_CMD_ROC_FLUSH_CACHE		0xC2FFFF0E
+#define TEGRA_SIP_MCE_CMD_ROC_CLEAN_CACHE		0xC2FFFF0F
+#define TEGRA_SIP_MCE_CMD_ENABLE_LATIC			0xC2FFFF10
+#define TEGRA_SIP_MCE_CMD_UNCORE_PERFMON_REQ		0xC2FFFF11
+#define TEGRA_SIP_MCE_CMD_MISC_CCPLEX			0xC2FFFF12
+
+/*******************************************************************************
+ * This function is responsible for handling all T186 SiP calls
+ ******************************************************************************/
+int32_t plat_sip_handler(uint32_t smc_fid,
+		     uint64_t x1,
+		     uint64_t x2,
+		     uint64_t x3,
+		     uint64_t x4,
+		     const void *cookie,
+		     void *handle,
+		     uint64_t flags)
+{
+	int32_t mce_ret, ret = 0;
+	uint32_t impl, cpu;
+	uint32_t base, core_clk_ctr, ref_clk_ctr;
+	uint32_t local_smc_fid = smc_fid;
+	uint64_t local_x1 = x1, local_x2 = x2, local_x3 = x3;
+
+	(void)x4;
+	(void)cookie;
+	(void)flags;
+
+	if (((smc_fid >> FUNCID_CC_SHIFT) & FUNCID_CC_MASK) == SMC_32) {
+		/* 32-bit function, clear top parameter bits */
+
+		local_x1 = (uint32_t)x1;
+		local_x2 = (uint32_t)x2;
+		local_x3 = (uint32_t)x3;
+	}
+
+	/*
+	 * Convert SMC FID to SMC64, to support SMC32/SMC64 configurations
+	 */
+	local_smc_fid |= (SMC_64 << FUNCID_CC_SHIFT);
+
+	switch (local_smc_fid) {
+	/*
+	 * Micro Coded Engine (MCE) commands reside in the 0x82FFFF00 -
+	 * 0x82FFFFFF SiP SMC space
+	 */
+	case TEGRA_SIP_MCE_CMD_ENTER_CSTATE:
+	case TEGRA_SIP_MCE_CMD_UPDATE_CSTATE_INFO:
+	case TEGRA_SIP_MCE_CMD_UPDATE_CROSSOVER_TIME:
+	case TEGRA_SIP_MCE_CMD_READ_CSTATE_STATS:
+	case TEGRA_SIP_MCE_CMD_WRITE_CSTATE_STATS:
+	case TEGRA_SIP_MCE_CMD_IS_SC7_ALLOWED:
+	case TEGRA_SIP_MCE_CMD_CC3_CTRL:
+	case TEGRA_SIP_MCE_CMD_ECHO_DATA:
+	case TEGRA_SIP_MCE_CMD_READ_VERSIONS:
+	case TEGRA_SIP_MCE_CMD_ENUM_FEATURES:
+	case TEGRA_SIP_MCE_CMD_ROC_FLUSH_CACHE_TRBITS:
+	case TEGRA_SIP_MCE_CMD_ENUM_READ_MCA:
+	case TEGRA_SIP_MCE_CMD_ENUM_WRITE_MCA:
+	case TEGRA_SIP_MCE_CMD_ROC_FLUSH_CACHE:
+	case TEGRA_SIP_MCE_CMD_ROC_CLEAN_CACHE:
+	case TEGRA_SIP_MCE_CMD_ENABLE_LATIC:
+	case TEGRA_SIP_MCE_CMD_UNCORE_PERFMON_REQ:
+	case TEGRA_SIP_MCE_CMD_MISC_CCPLEX:
+
+		/* clean up the high bits */
+		local_smc_fid &= MCE_CMD_MASK;
+
+		/* execute the command and store the result */
+		mce_ret = mce_command_handler(local_smc_fid, local_x1, local_x2, local_x3);
+		write_ctx_reg(get_gpregs_ctx(handle),
+			      CTX_GPREG_X0, (uint64_t)(mce_ret));
+		break;
+
+	/*
+	 * This function ID reads the Activity monitor's core/ref clock
+	 * counter values for a core/cluster.
+	 *
+	 * x1 = MPIDR of the target core
+	 * x2 = MIDR of the target core
+	 */
+	case TEGRA_SIP_GET_ACTMON_CLK_COUNTERS:
+
+		cpu = (uint32_t)x1 & MPIDR_CPU_MASK;
+		impl = ((uint32_t)x2 >> MIDR_IMPL_SHIFT) & MIDR_IMPL_MASK;
+
+		/* sanity check target CPU number */
+		if (cpu > (uint32_t)PLATFORM_MAX_CPUS_PER_CLUSTER) {
+			ret = -EINVAL;
+		} else {
+			/* get the base address for the current CPU */
+			base = (impl == DENVER_IMPL) ? TEGRA_DENVER_ACTMON_CTR_BASE :
+				TEGRA_ARM_ACTMON_CTR_BASE;
+
+			/* read the clock counter values */
+			core_clk_ctr = mmio_read_32(base + (8ULL * cpu));
+			ref_clk_ctr = mmio_read_32(base + (8ULL * cpu) + REF_CLK_OFFSET);
+
+			/* return the counter values as two different parameters */
+			write_ctx_reg(get_gpregs_ctx(handle),
+				      CTX_GPREG_X1, (core_clk_ctr));
+			write_ctx_reg(get_gpregs_ctx(handle),
+				      CTX_GPREG_X2, (ref_clk_ctr));
+		}
+
+		break;
+
+	default:
+		ret = -ENOTSUP;
+		break;
+	}
+
+	return ret;
+}
diff --git a/plat/nvidia/tegra/soc/t186/plat_smmu.c b/plat/nvidia/tegra/soc/t186/plat_smmu.c
new file mode 100644
index 0000000..f1bc235
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t186/plat_smmu.c
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <common/bl_common.h>
+
+#include <smmu.h>
+#include <tegra_def.h>
+#include <tegra_mc_def.h>
+
+#define MAX_NUM_SMMU_DEVICES	U(1)
+
+/*******************************************************************************
+ * Handler to return the support SMMU devices number
+ ******************************************************************************/
+uint32_t plat_get_num_smmu_devices(void)
+{
+	return MAX_NUM_SMMU_DEVICES;
+}
diff --git a/plat/nvidia/tegra/soc/t186/plat_trampoline.S b/plat/nvidia/tegra/soc/t186/plat_trampoline.S
new file mode 100644
index 0000000..2fc2046
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t186/plat_trampoline.S
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <common/bl_common.h>
+#include <memctrl_v2.h>
+#include <plat/common/common_def.h>
+#include <tegra_def.h>
+
+#define TEGRA186_MC_CTX_SIZE		0x93
+
+	.globl tegra186_get_mc_ctx_size
+
+	/*
+	 * Tegra186 reset data (offset 0x0 - 0x420)
+	 *
+	 * 0x000: MC context start
+	 * 0x420: MC context end
+	 */
+
+	.align 4
+__tegra186_mc_context:
+	.rept	TEGRA186_MC_CTX_SIZE
+	.quad	0
+	.endr
+
+	.align 4
+__tegra186_mc_context_end:
+
+/* return the size of the MC context */
+func tegra186_get_mc_ctx_size
+	adr	x0, __tegra186_mc_context_end
+	adr	x1, __tegra186_mc_context
+	sub	x0, x0, x1
+	ret
+endfunc tegra186_get_mc_ctx_size
diff --git a/plat/nvidia/tegra/soc/t186/platform_t186.mk b/plat/nvidia/tegra/soc/t186/platform_t186.mk
new file mode 100644
index 0000000..5275b8e
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t186/platform_t186.mk
@@ -0,0 +1,77 @@
+#
+# Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+# platform configs
+ENABLE_ROC_FOR_ORDERING_CLIENT_REQUESTS	:= 1
+$(eval $(call add_define,ENABLE_ROC_FOR_ORDERING_CLIENT_REQUESTS))
+
+ENABLE_CHIP_VERIFICATION_HARNESS	:= 0
+$(eval $(call add_define,ENABLE_CHIP_VERIFICATION_HARNESS))
+
+RESET_TO_BL31				:= 1
+
+PROGRAMMABLE_RESET_ADDRESS		:= 0
+
+COLD_BOOT_SINGLE_CPU			:= 1
+
+RELOCATE_BL32_IMAGE			:= 1
+
+# platform settings
+TZDRAM_BASE				:= 0x30000000
+$(eval $(call add_define,TZDRAM_BASE))
+
+PLATFORM_CLUSTER_COUNT			:= 2
+$(eval $(call add_define,PLATFORM_CLUSTER_COUNT))
+
+PLATFORM_MAX_CPUS_PER_CLUSTER		:= 4
+$(eval $(call add_define,PLATFORM_MAX_CPUS_PER_CLUSTER))
+
+MAX_XLAT_TABLES				:= 25
+$(eval $(call add_define,MAX_XLAT_TABLES))
+
+MAX_MMAP_REGIONS			:= 30
+$(eval $(call add_define,MAX_MMAP_REGIONS))
+
+# platform files
+PLAT_INCLUDES		+=	-Iplat/nvidia/tegra/include/t186 \
+				-I${SOC_DIR}/drivers/include
+
+BL31_SOURCES		+=	${TEGRA_GICv2_SOURCES}			\
+				drivers/ti/uart/aarch64/16550_console.S	\
+				lib/cpus/aarch64/denver.S		\
+				lib/cpus/aarch64/cortex_a57.S		\
+				${TEGRA_DRIVERS}/bpmp_ipc/intf.c	\
+				${TEGRA_DRIVERS}/bpmp_ipc/ivc.c		\
+				${TEGRA_DRIVERS}/gpcdma/gpcdma.c	\
+				${TEGRA_DRIVERS}/memctrl/memctrl_v2.c	\
+				${TEGRA_DRIVERS}/smmu/smmu.c		\
+				${SOC_DIR}/drivers/mce/mce.c		\
+				${SOC_DIR}/drivers/mce/ari.c		\
+				${SOC_DIR}/drivers/mce/nvg.c		\
+				${SOC_DIR}/drivers/mce/aarch64/nvg_helpers.S \
+				$(SOC_DIR)/drivers/se/se.c		\
+				${SOC_DIR}/plat_memctrl.c		\
+				${SOC_DIR}/plat_psci_handlers.c		\
+				${SOC_DIR}/plat_setup.c			\
+				${SOC_DIR}/plat_secondary.c		\
+				${SOC_DIR}/plat_sip_calls.c		\
+				${SOC_DIR}/plat_smmu.c			\
+				${SOC_DIR}/plat_trampoline.S
+
+# Enable workarounds for selected Cortex-A57 erratas.
+A57_DISABLE_NON_TEMPORAL_HINT	:=	1
+ERRATA_A57_806969		:=	1
+ERRATA_A57_813419		:=	1
+ERRATA_A57_813420		:=	1
+ERRATA_A57_826974		:=	1
+ERRATA_A57_826977		:=	1
+ERRATA_A57_828024		:=	1
+ERRATA_A57_829520		:=	1
+ERRATA_A57_833471		:=	1
+
+# Enable higher performance Non-cacheable load forwarding
+A57_ENABLE_NONCACHEABLE_LOAD_FWD	:=	1
diff --git a/plat/nvidia/tegra/soc/t194/drivers/include/mce_private.h b/plat/nvidia/tegra/soc/t194/drivers/include/mce_private.h
new file mode 100644
index 0000000..ef16980
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t194/drivers/include/mce_private.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MCE_PRIVATE_H
+#define MCE_PRIVATE_H
+
+#include <stdbool.h>
+#include <tegra_def.h>
+
+/*******************************************************************************
+ * Macros to prepare CSTATE info request
+ ******************************************************************************/
+/* Description of the parameters for UPDATE_CSTATE_INFO request */
+#define CLUSTER_CSTATE_MASK			0x7U
+#define CLUSTER_CSTATE_SHIFT			0X0U
+#define CLUSTER_CSTATE_UPDATE_BIT		(1U << 7)
+#define CCPLEX_CSTATE_MASK			0x7U
+#define CCPLEX_CSTATE_SHIFT			8U
+#define CCPLEX_CSTATE_UPDATE_BIT		(1U << 15)
+#define SYSTEM_CSTATE_MASK			0xFU
+#define SYSTEM_CSTATE_SHIFT			16U
+#define SYSTEM_CSTATE_UPDATE_BIT		(1U << 23)
+#define CSTATE_WAKE_MASK_UPDATE_BIT		(1U << 31)
+#define CSTATE_WAKE_MASK_SHIFT			32U
+#define CSTATE_WAKE_MASK_CLEAR			0xFFFFFFFFU
+
+/*******************************************************************************
+ * Core ID mask (bits 3:0 in the online request)
+ ******************************************************************************/
+#define MCE_CORE_ID_MASK			0xFU
+
+/*******************************************************************************
+ * C-state statistics macros
+ ******************************************************************************/
+#define MCE_STAT_ID_SHIFT			16U
+
+/*******************************************************************************
+ * Security config macros
+ ******************************************************************************/
+#define STRICT_CHECKING_ENABLED_SET		(1UL << 0)
+#define STRICT_CHECKING_LOCKED_SET		(1UL << 1)
+
+/* declarations for NVG handler functions */
+uint64_t nvg_get_version(void);
+void nvg_set_wake_time(uint32_t wake_time);
+void nvg_update_cstate_info(uint32_t cluster, uint32_t ccplex,
+		uint32_t system, uint32_t wake_mask, uint8_t update_wake_mask);
+int32_t nvg_set_cstate_stat_query_value(uint64_t data);
+uint64_t nvg_get_cstate_stat_query_value(void);
+int32_t nvg_is_sc7_allowed(void);
+int32_t nvg_online_core(uint32_t core);
+int32_t nvg_update_ccplex_gsc(uint32_t gsc_idx);
+int32_t nvg_enter_cstate(uint32_t state, uint32_t wake_time);
+int32_t nvg_roc_clean_cache_trbits(void);
+void nvg_enable_strict_checking_mode(void);
+void nvg_verify_strict_checking_mode(void);
+void nvg_system_shutdown(void);
+void nvg_system_reboot(void);
+void nvg_clear_hsm_corr_status(void);
+
+/* declarations for assembly functions */
+void nvg_set_request_data(uint64_t req, uint64_t data);
+void nvg_set_request(uint64_t req);
+uint64_t nvg_get_result(void);
+uint64_t nvg_cache_clean(void);
+uint64_t nvg_cache_clean_inval(void);
+uint64_t nvg_cache_inval_all(void);
+
+/* MCE helper functions */
+void mce_enable_strict_checking(void);
+void mce_verify_strict_checking(void);
+void mce_system_shutdown(void);
+void mce_system_reboot(void);
+void mce_clear_hsm_corr_status(void);
+
+#endif /* MCE_PRIVATE_H */
diff --git a/plat/nvidia/tegra/soc/t194/drivers/include/se.h b/plat/nvidia/tegra/soc/t194/drivers/include/se.h
new file mode 100644
index 0000000..7de55a7
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t194/drivers/include/se.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SE_H
+#define SE_H
+
+int32_t tegra_se_calculate_save_sha256(uint64_t src_addr,
+						uint32_t src_len_inbyte);
+int32_t tegra_se_suspend(void);
+void tegra_se_resume(void);
+
+#endif /* SE_H */
diff --git a/plat/nvidia/tegra/soc/t194/drivers/include/t194_nvg.h b/plat/nvidia/tegra/soc/t194/drivers/include/t194_nvg.h
new file mode 100644
index 0000000..7a68a43
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t194/drivers/include/t194_nvg.h
@@ -0,0 +1,429 @@
+/*
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef T194_NVG_H
+#define T194_NVG_H
+
+#include <lib/utils_def.h>
+
+/**
+ * t194_nvg.h - Header for the NVIDIA Generic interface (NVG).
+ * Official documentation for this interface is included as part
+ * of the T194 TRM.
+ */
+
+/**
+ * Current version - Major version increments may break backwards
+ * compatiblity and binary compatibility. Minor version increments
+ * occur when there is only new functionality.
+ */
+enum {
+	TEGRA_NVG_VERSION_MAJOR = U(6),
+	TEGRA_NVG_VERSION_MINOR = U(7)
+};
+
+typedef enum {
+	TEGRA_NVG_CHANNEL_VERSION				= U(0),
+	TEGRA_NVG_CHANNEL_POWER_PERF				= U(1),
+	TEGRA_NVG_CHANNEL_POWER_MODES				= U(2),
+	TEGRA_NVG_CHANNEL_WAKE_TIME				= U(3),
+	TEGRA_NVG_CHANNEL_CSTATE_INFO				= U(4),
+	TEGRA_NVG_CHANNEL_CROSSOVER_C6_LOWER_BOUND		= U(5),
+	TEGRA_NVG_CHANNEL_CROSSOVER_CC6_LOWER_BOUND		= U(6),
+	TEGRA_NVG_CHANNEL_CROSSOVER_CG7_LOWER_BOUND		= U(8),
+	TEGRA_NVG_CHANNEL_CSTATE_STAT_QUERY_REQUEST		= U(10),
+	TEGRA_NVG_CHANNEL_CSTATE_STAT_QUERY_VALUE		= U(11),
+	TEGRA_NVG_CHANNEL_NUM_CORES				= U(20),
+	TEGRA_NVG_CHANNEL_UNIQUE_LOGICAL_ID			= U(21),
+	TEGRA_NVG_CHANNEL_LOGICAL_TO_PHYSICAL_MAPPING		= U(22),
+	TEGRA_NVG_CHANNEL_LOGICAL_TO_MPIDR			= U(23),
+	TEGRA_NVG_CHANNEL_SHUTDOWN				= U(42),
+	TEGRA_NVG_CHANNEL_IS_SC7_ALLOWED			= U(43),
+	TEGRA_NVG_CHANNEL_ONLINE_CORE				= U(44),
+	TEGRA_NVG_CHANNEL_CC3_CTRL				= U(45),
+	TEGRA_NVG_CHANNEL_CCPLEX_CACHE_CONTROL			= U(49),
+	TEGRA_NVG_CHANNEL_UPDATE_CCPLEX_GSC			= U(50),
+	TEGRA_NVG_CHANNEL_HSM_ERROR_CTRL			= U(53),
+	TEGRA_NVG_CHANNEL_SECURITY_CONFIG			= U(54),
+	TEGRA_NVG_CHANNEL_DEBUG_CONFIG				= U(55),
+	TEGRA_NVG_CHANNEL_DDA_SNOC_MCF				= U(56),
+	TEGRA_NVG_CHANNEL_DDA_MCF_ORD1				= U(57),
+	TEGRA_NVG_CHANNEL_DDA_MCF_ORD2				= U(58),
+	TEGRA_NVG_CHANNEL_DDA_MCF_ORD3				= U(59),
+	TEGRA_NVG_CHANNEL_DDA_MCF_ISO				= U(60),
+	TEGRA_NVG_CHANNEL_DDA_MCF_SISO				= U(61),
+	TEGRA_NVG_CHANNEL_DDA_MCF_NISO				= U(62),
+	TEGRA_NVG_CHANNEL_DDA_MCF_NISO_REMOTE			= U(63),
+	TEGRA_NVG_CHANNEL_DDA_L3CTRL_ISO			= U(64),
+	TEGRA_NVG_CHANNEL_DDA_L3CTRL_SISO			= U(65),
+	TEGRA_NVG_CHANNEL_DDA_L3CTRL_NISO			= U(66),
+	TEGRA_NVG_CHANNEL_DDA_L3CTRL_NISO_REMOTE		= U(67),
+	TEGRA_NVG_CHANNEL_DDA_L3CTRL_L3FILL			= U(68),
+	TEGRA_NVG_CHANNEL_DDA_L3CTRL_L3WR			= U(69),
+	TEGRA_NVG_CHANNEL_DDA_L3CTRL_RSP_L3RD_DMA		= U(70),
+	TEGRA_NVG_CHANNEL_DDA_L3CTRL_RSP_MCFRD_DMA		= U(71),
+	TEGRA_NVG_CHANNEL_DDA_L3CTRL_GLOBAL			= U(72),
+	TEGRA_NVG_CHANNEL_DDA_L3CTRL_LL				= U(73),
+	TEGRA_NVG_CHANNEL_DDA_L3CTRL_L3D			= U(74),
+	TEGRA_NVG_CHANNEL_DDA_L3CTRL_FCM_RD			= U(75),
+	TEGRA_NVG_CHANNEL_DDA_L3CTRL_FCM_WR			= U(76),
+	TEGRA_NVG_CHANNEL_DDA_SNOC_GLOBAL_CTRL			= U(77),
+	TEGRA_NVG_CHANNEL_DDA_SNOC_CLIENT_REQ_CTRL		= U(78),
+	TEGRA_NVG_CHANNEL_DDA_SNOC_CLIENT_REPLENTISH_CTRL	= U(79),
+	TEGRA_NVG_CHANNEL_RT_SAFE_MASK				= U(80),
+	TEGRA_NVG_CHANNEL_RT_WINDOW_US				= U(81),
+	TEGRA_NVG_CHANNEL_RT_FWD_PROGRESS_US			= U(82),
+
+	TEGRA_NVG_CHANNEL_LAST_INDEX
+} tegra_nvg_channel_id_t;
+
+typedef enum {
+	NVG_STAT_QUERY_SC7_ENTRIES				= U(1),
+	NVG_STAT_QUERY_CC6_ENTRIES				= U(6),
+	NVG_STAT_QUERY_CG7_ENTRIES				= U(7),
+	NVG_STAT_QUERY_C6_ENTRIES				= U(10),
+	NVG_STAT_QUERY_C7_ENTRIES				= U(14),
+	NVG_STAT_QUERY_SC7_RESIDENCY_SUM			= U(32),
+	NVG_STAT_QUERY_CC6_RESIDENCY_SUM			= U(41),
+	NVG_STAT_QUERY_CG7_RESIDENCY_SUM			= U(46),
+	NVG_STAT_QUERY_C6_RESIDENCY_SUM				= U(51),
+	NVG_STAT_QUERY_C7_RESIDENCY_SUM				= U(56),
+	NVG_STAT_QUERY_SC7_ENTRY_TIME_SUM			= U(60),
+	NVG_STAT_QUERY_CC6_ENTRY_TIME_SUM			= U(61),
+	NVG_STAT_QUERY_CG7_ENTRY_TIME_SUM			= U(62),
+	NVG_STAT_QUERY_C6_ENTRY_TIME_SUM			= U(63),
+	NVG_STAT_QUERY_C7_ENTRY_TIME_SUM			= U(64),
+	NVG_STAT_QUERY_SC7_EXIT_TIME_SUM			= U(70),
+	NVG_STAT_QUERY_CC6_EXIT_TIME_SUM			= U(71),
+	NVG_STAT_QUERY_CG7_EXIT_TIME_SUM			= U(72),
+	NVG_STAT_QUERY_C6_EXIT_TIME_SUM				= U(73),
+	NVG_STAT_QUERY_C7_EXIT_TIME_SUM				= U(74),
+	NVG_STAT_QUERY_SC7_ENTRY_LAST				= U(80),
+	NVG_STAT_QUERY_CC6_ENTRY_LAST				= U(81),
+	NVG_STAT_QUERY_CG7_ENTRY_LAST				= U(82),
+	NVG_STAT_QUERY_C6_ENTRY_LAST				= U(83),
+	NVG_STAT_QUERY_C7_ENTRY_LAST				= U(84),
+	NVG_STAT_QUERY_SC7_EXIT_LAST				= U(90),
+	NVG_STAT_QUERY_CC6_EXIT_LAST				= U(91),
+	NVG_STAT_QUERY_CG7_EXIT_LAST				= U(92),
+	NVG_STAT_QUERY_C6_EXIT_LAST				= U(93),
+	NVG_STAT_QUERY_C7_EXIT_LAST				= U(94)
+
+} tegra_nvg_stat_query_t;
+
+typedef enum {
+	TEGRA_NVG_CORE_C0 = U(0),
+	TEGRA_NVG_CORE_C1 = U(1),
+	TEGRA_NVG_CORE_C6 = U(6),
+	TEGRA_NVG_CORE_C7 = U(7),
+	TEGRA_NVG_CORE_WARMRSTREQ = U(8)
+} tegra_nvg_core_sleep_state_t;
+
+typedef enum {
+	TEGRA_NVG_SHUTDOWN = U(0),
+	TEGRA_NVG_REBOOT = U(1)
+} tegra_nvg_shutdown_reboot_state_t;
+
+typedef enum {
+	TEGRA_NVG_CLUSTER_CC0		= U(0),
+	TEGRA_NVG_CLUSTER_AUTO_CC1	= U(1),
+	TEGRA_NVG_CLUSTER_CC6		= U(6)
+} tegra_nvg_cluster_sleep_state_t;
+
+typedef enum {
+	TEGRA_NVG_CG_CG0 = U(0),
+	TEGRA_NVG_CG_CG7 = U(7)
+} tegra_nvg_cluster_group_sleep_state_t;
+
+typedef enum {
+	TEGRA_NVG_SYSTEM_SC0 = U(0),
+	TEGRA_NVG_SYSTEM_SC7 = U(7),
+	TEGRA_NVG_SYSTEM_SC8 = U(8)
+} tegra_nvg_system_sleep_state_t;
+
+// ---------------------------------------------------------------------------
+// NVG Data subformats
+// ---------------------------------------------------------------------------
+
+typedef union {
+	uint64_t flat;
+	struct nvg_version_channel_t {
+		uint32_t minor_version : U(32);
+		uint32_t major_version : U(32);
+	} bits;
+} nvg_version_data_t;
+
+typedef union {
+	uint64_t flat;
+	struct {
+		uint32_t perf_per_watt	: U(1);
+		uint32_t reserved_31_1	: U(31);
+		uint32_t reserved_63_32	: U(32);
+	} bits;
+} nvg_power_perf_channel_t;
+
+typedef union {
+	uint64_t flat;
+	struct {
+		uint32_t low_battery	: U(1);
+		uint32_t reserved_1_1	: U(1);
+		uint32_t battery_save	: U(1);
+		uint32_t reserved_31_3	: U(29);
+		uint32_t reserved_63_32	: U(32);
+	} bits;
+} nvg_power_modes_channel_t;
+
+typedef union nvg_channel_1_data_u {
+	uint64_t flat;
+	struct nvg_channel_1_data_s {
+		uint32_t perf_per_watt_mode	: U(1);
+		uint32_t reserved_31_1		: U(31);
+		uint32_t reserved_63_32		: U(32);
+	} bits;
+} nvg_channel_1_data_t;
+
+typedef union {
+	uint64_t flat;
+	struct {
+		uint32_t gpu_ways	: U(5);
+		uint32_t reserved_7_5	: U(3);
+		uint32_t gpu_only_ways	: U(5);
+		uint32_t reserved_31_13 : U(19);
+		uint32_t reserved_63_32 : U(32);
+	} bits;
+} nvg_ccplex_cache_control_channel_t;
+
+typedef union nvg_channel_2_data_u {
+	uint64_t flat;
+	struct nvg_channel_2_data_s {
+		uint32_t reserved_1_0		: U(2);
+		uint32_t battery_saver_mode	: U(1);
+		uint32_t reserved_31_3		: U(29);
+		uint32_t reserved_63_32		: U(32);
+	} bits;
+} nvg_channel_2_data_t;
+
+typedef union {
+	uint64_t flat;
+	struct {
+		uint32_t wake_time		: U(32);
+		uint32_t reserved_63_32		: U(32);
+	} bits;
+} nvg_wake_time_channel_t;
+
+typedef union {
+	uint64_t flat;
+	struct {
+		uint32_t cluster_state			: U(3);
+		uint32_t reserved_6_3			: U(4);
+		uint32_t update_cluster			: U(1);
+		uint32_t cg_cstate			: U(3);
+		uint32_t reserved_14_11			: U(4);
+		uint32_t update_cg			: U(1);
+		uint32_t system_cstate			: U(4);
+		uint32_t reserved_22_20			: U(3);
+		uint32_t update_system			: U(1);
+		uint32_t reserved_30_24			: U(7);
+		uint32_t update_wake_mask		: U(1);
+		union {
+			uint32_t flat			: U(32);
+			struct {
+				uint32_t vfiq		: U(1);
+				uint32_t virq		: U(1);
+				uint32_t fiq		: U(1);
+				uint32_t irq		: U(1);
+				uint32_t serror		: U(1);
+				uint32_t reserved_10_5	: U(6);
+				uint32_t fiqout		: U(1);
+				uint32_t irqout		: U(1);
+				uint32_t reserved_31_13	: U(19);
+			} carmel;
+		} wake_mask;
+	} bits;
+} nvg_cstate_info_channel_t;
+
+typedef union {
+	uint64_t flat;
+	struct {
+		uint32_t crossover_value	: U(32);
+		uint32_t reserved_63_32		: U(32);
+	} bits;
+} nvg_lower_bound_channel_t;
+
+typedef union {
+	uint64_t flat;
+	struct {
+		uint32_t unit_id		: U(4);
+		uint32_t reserved_15_4		: U(12);
+		uint32_t stat_id		: U(16);
+		uint32_t reserved_63_32		: U(32);
+	} bits;
+} nvg_cstate_stat_query_channel_t;
+
+typedef union {
+	uint64_t flat;
+	struct {
+		uint32_t num_cores		: U(4);
+		uint32_t reserved_31_4		: U(28);
+		uint32_t reserved_63_32		: U(32);
+	} bits;
+} nvg_num_cores_channel_t;
+
+typedef union {
+	uint64_t flat;
+	struct {
+		uint32_t unique_core_id		: U(3);
+		uint32_t reserved_31_3		: U(29);
+		uint32_t reserved_63_32		: U(32);
+	} bits;
+} nvg_unique_logical_id_channel_t;
+
+typedef union {
+	uint64_t flat;
+	struct {
+		uint32_t lcore0_pcore_id	: U(4);
+		uint32_t lcore1_pcore_id	: U(4);
+		uint32_t lcore2_pcore_id	: U(4);
+		uint32_t lcore3_pcore_id	: U(4);
+		uint32_t lcore4_pcore_id	: U(4);
+		uint32_t lcore5_pcore_id	: U(4);
+		uint32_t lcore6_pcore_id	: U(4);
+		uint32_t lcore7_pcore_id	: U(4);
+		uint32_t reserved_63_32		: U(32);
+	} bits;
+} nvg_logical_to_physical_mappings_channel_t;
+
+typedef union {
+	uint64_t flat;
+	struct nvg_logical_to_mpidr_channel_write_t {
+		uint32_t lcore_id		: U(3);
+		uint32_t reserved_31_3		: U(29);
+		uint32_t reserved_63_32		: U(32);
+	} write;
+	struct nvg_logical_to_mpidr_channel_read_t {
+		uint32_t mpidr			: U(32);
+		uint32_t reserved_63_32		: U(32);
+	} read;
+} nvg_logical_to_mpidr_channel_t;
+
+typedef union {
+	uint64_t flat;
+	struct {
+		uint32_t is_sc7_allowed		: U(1);
+		uint32_t reserved_31_1		: U(31);
+		uint32_t reserved_63_32		: U(32);
+	} bits;
+} nvg_is_sc7_allowed_channel_t;
+
+typedef union {
+	uint64_t flat;
+	struct {
+		uint32_t core_id		: U(4);
+		uint32_t reserved_31_4		: U(28);
+		uint32_t reserved_63_32		: U(32);
+	} bits;
+} nvg_core_online_channel_t;
+
+typedef union {
+	uint64_t flat;
+	struct {
+		uint32_t freq_req		: U(9);
+		uint32_t reserved_30_9		: U(22);
+		uint32_t enable			: U(1);
+		uint32_t reserved_63_32		: U(32);
+	} bits;
+} nvg_cc3_control_channel_t;
+
+typedef enum {
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_ALL		=	U(0),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_NVDEC		=	U(1),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_WPR1		=	U(2),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_WPR2		=	U(3),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_TSECA		=	U(4),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_TSECB		=	U(5),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_BPMP		=	U(6),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_APE		=	U(7),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_SPE		=	U(8),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_SCE		=	U(9),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_APR		=	U(10),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_TZRAM		=	U(11),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_IPC_SE_TSEC	=	U(12),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_BPMP_TO_RCE	=	U(13),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_BPMP_TO_MCE	=	U(14),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_SE_SC7		=	U(15),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_BPMP_TO_SPE	=	U(16),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_RCE		=	U(17),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_CPU_TZ_TO_BPMP	=	U(18),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_VM_ENCR1		=	U(19),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_CPU_NS_TO_BPMP	=	U(20),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_OEM_SC7		=	U(21),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_IPC_SE_SPE_SCE_BPMP =	U(22),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_SC7_RESUME_FW	=	U(23),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_CAMERA_TASKLIST	=	U(24),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_XUSB		=	U(25),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_CV			=	U(26),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_VM_ENCR2		=	U(27),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_HYPERVISOR_SW	=	U(28),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_SMMU_PAGETABLES	=	U(29),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_30			=	U(30),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_31			=	U(31),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_TZ_DRAM		=	U(32),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_NVLINK		=	U(33),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_SBS		=	U(34),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_VPR		=	U(35),
+	TEGRA_NVG_CHANNEL_UPDATE_GSC_LAST_INDEX
+} tegra_nvg_channel_update_gsc_gsc_enum_t;
+
+typedef union {
+	uint64_t flat;
+	struct {
+		uint32_t gsc_enum	: U(16);
+		uint32_t reserved_31_16 : U(16);
+		uint32_t reserved_63_32 : U(32);
+	} bits;
+} nvg_update_ccplex_gsc_channel_t;
+
+typedef union {
+	uint64_t flat;
+	struct nvg_security_config_channel_t {
+		uint32_t strict_checking_enabled	: U(1);
+		uint32_t strict_checking_locked		: U(1);
+		uint32_t reserved_31_2			: U(30);
+		uint32_t reserved_63_32			: U(32);
+	} bits;
+} nvg_security_config_t;
+
+typedef union {
+	uint64_t flat;
+	struct nvg_shutdown_channel_t {
+		uint32_t reboot				: U(1);
+		uint32_t reserved_31_1			: U(31);
+		uint32_t reserved_63_32			: U(32);
+	} bits;
+} nvg_shutdown_t;
+
+typedef union {
+	uint64_t flat;
+	struct nvg_debug_config_channel_t {
+		uint32_t enter_debug_state_on_mca	: U(1);
+		uint32_t reserved_31_1			: U(31);
+		uint32_t reserved_63_32			: U(32);
+	} bits;
+} nvg_debug_config_t;
+
+typedef union {
+	uint64_t flat;
+	struct {
+		uint32_t uncorr				: U(1);
+		uint32_t corr				: U(1);
+		uint32_t reserved_31_2			: U(30);
+		uint32_t reserved_63_32			: U(32);
+	} bits;
+} nvg_hsm_error_ctrl_channel_t;
+
+extern nvg_debug_config_t nvg_debug_config;
+
+#endif /* T194_NVG_H */
diff --git a/plat/nvidia/tegra/soc/t194/drivers/mce/aarch64/nvg_helpers.S b/plat/nvidia/tegra/soc/t194/drivers/mce/aarch64/nvg_helpers.S
new file mode 100644
index 0000000..3c47208
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t194/drivers/mce/aarch64/nvg_helpers.S
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+
+	.globl	nvg_set_request_data
+	.globl	nvg_set_request
+	.globl	nvg_get_result
+	.globl	nvg_cache_clean
+	.globl	nvg_cache_clean_inval
+	.globl	nvg_cache_inval_all
+
+/* void nvg_set_request_data(uint64_t req, uint64_t data) */
+func nvg_set_request_data
+	msr	s3_0_c15_c1_2, x0
+	msr	s3_0_c15_c1_3, x1
+	ret
+endfunc nvg_set_request_data
+
+/* void nvg_set_request(uint64_t req) */
+func nvg_set_request
+	msr	s3_0_c15_c1_2, x0
+	ret
+endfunc nvg_set_request
+
+/* uint64_t nvg_get_result(void) */
+func nvg_get_result
+	mrs	x0, s3_0_c15_c1_3
+	ret
+endfunc nvg_get_result
+
+/* uint64_t nvg_cache_clean(void) */
+func nvg_cache_clean
+	mrs	x0, s3_0_c15_c3_5
+	ret
+endfunc nvg_cache_clean
+
+/* uint64_t nvg_cache_clean_inval(void) */
+func nvg_cache_clean_inval
+	mrs	x0, s3_0_c15_c3_6
+	ret
+endfunc nvg_cache_clean_inval
+
+/* uint64_t nvg_cache_inval_all(void) */
+func nvg_cache_inval_all
+	mrs	x0, s3_0_c15_c3_7
+	ret
+endfunc nvg_cache_inval_all
\ No newline at end of file
diff --git a/plat/nvidia/tegra/soc/t194/drivers/mce/mce.c b/plat/nvidia/tegra/soc/t194/drivers/mce/mce.c
new file mode 100644
index 0000000..af1c0aa
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t194/drivers/mce/mce.c
@@ -0,0 +1,255 @@
+/*
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <assert.h>
+#include <common/bl_common.h>
+#include <context.h>
+#include <lib/el3_runtime/context_mgmt.h>
+#include <common/debug.h>
+#include <denver.h>
+#include <mce.h>
+#include <mce_private.h>
+#include <platform_def.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <string.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <t194_nvg.h>
+#include <tegra_def.h>
+#include <tegra_platform.h>
+#include <tegra_private.h>
+
+/* Handler to check if MCE firmware is supported */
+static bool mce_firmware_not_supported(void)
+{
+	bool status;
+
+	/* these platforms do not load MCE firmware */
+	status = tegra_platform_is_linsim() || tegra_platform_is_qt() ||
+		 tegra_platform_is_virt_dev_kit();
+
+	return status;
+}
+
+/*******************************************************************************
+ * Common handler for all MCE commands
+ ******************************************************************************/
+int32_t mce_command_handler(uint64_t cmd, uint64_t arg0, uint64_t arg1,
+			uint64_t arg2)
+{
+	int32_t ret = 0;
+
+	switch (cmd) {
+	case (uint64_t)MCE_CMD_ENTER_CSTATE:
+		ret = nvg_enter_cstate((uint32_t)arg0, (uint32_t)arg1);
+		if (ret < 0) {
+			ERROR("%s: enter_cstate failed(%d)\n", __func__, ret);
+		}
+
+		break;
+
+	case (uint64_t)MCE_CMD_IS_SC7_ALLOWED:
+		ret = nvg_is_sc7_allowed();
+		if (ret < 0) {
+			ERROR("%s: is_sc7_allowed failed(%d)\n", __func__, ret);
+		}
+
+		break;
+
+	case (uint64_t)MCE_CMD_ONLINE_CORE:
+		ret = nvg_online_core((uint32_t)arg0);
+		if (ret < 0) {
+			ERROR("%s: online_core failed(%d)\n", __func__, ret);
+		}
+
+		break;
+
+	default:
+		ERROR("unknown MCE command (%" PRIu64 ")\n", cmd);
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+/*******************************************************************************
+ * Handler to update carveout values for Video Memory Carveout region
+ ******************************************************************************/
+int32_t mce_update_gsc_videomem(void)
+{
+	int32_t ret;
+
+	/*
+	 * MCE firmware is not running on simulation platforms.
+	 */
+	if (mce_firmware_not_supported()) {
+		ret = -EINVAL;
+	} else {
+		ret = nvg_update_ccplex_gsc((uint32_t)TEGRA_NVG_CHANNEL_UPDATE_GSC_VPR);
+	}
+
+	return ret;
+}
+
+/*******************************************************************************
+ * Handler to update carveout values for TZDRAM aperture
+ ******************************************************************************/
+int32_t mce_update_gsc_tzdram(void)
+{
+	int32_t ret;
+
+	/*
+	 * MCE firmware is not running on simulation platforms.
+	 */
+	if (mce_firmware_not_supported()) {
+		ret = -EINVAL;
+	} else {
+		ret = nvg_update_ccplex_gsc((uint32_t)TEGRA_NVG_CHANNEL_UPDATE_GSC_TZ_DRAM);
+	}
+
+	return ret;
+}
+
+/*******************************************************************************
+ * Handler to issue the UPDATE_CSTATE_INFO request
+ ******************************************************************************/
+void mce_update_cstate_info(const mce_cstate_info_t *cstate)
+{
+	/* issue the UPDATE_CSTATE_INFO request */
+	nvg_update_cstate_info(cstate->cluster, cstate->ccplex, cstate->system,
+		cstate->wake_mask, cstate->update_wake_mask);
+}
+
+/*******************************************************************************
+ * Handler to read the MCE firmware version and check if it is compatible
+ * with interface header the BL3-1 was compiled against
+ ******************************************************************************/
+void mce_verify_firmware_version(void)
+{
+	uint64_t version;
+	uint32_t major, minor;
+
+	/*
+	 * MCE firmware is not running on simulation platforms.
+	 */
+	if (mce_firmware_not_supported()) {
+		return;
+	}
+
+	/*
+	 * Read the MCE firmware version and extract the major and minor
+	 * version fields
+	 */
+	version = nvg_get_version();
+	minor = (uint32_t)version;
+	major = (uint32_t)(version >> 32);
+
+	INFO("MCE Version - HW=%u:%u, SW=%u:%u\n", major, minor,
+		TEGRA_NVG_VERSION_MAJOR, TEGRA_NVG_VERSION_MINOR);
+
+	/*
+	 * Verify that the MCE firmware version and the interface header
+	 * match
+	 */
+	if (major != (uint32_t)TEGRA_NVG_VERSION_MAJOR) {
+		ERROR("MCE major version mismatch\n");
+		panic();
+	}
+
+	if (minor < (uint32_t)TEGRA_NVG_VERSION_MINOR) {
+		ERROR("MCE minor version mismatch\n");
+		panic();
+	}
+}
+
+#if ENABLE_STRICT_CHECKING_MODE
+/*******************************************************************************
+ * Handler to enable the strict checking mode
+ ******************************************************************************/
+void mce_enable_strict_checking(void)
+{
+	uint64_t sctlr = read_sctlr_el3();
+	int32_t ret = 0;
+
+	if (tegra_platform_is_silicon() || tegra_platform_is_fpga()) {
+		/*
+		 * Step1: TZ-DRAM and TZRAM should be setup before the MMU is
+		 * enabled.
+		 *
+		 * The common code makes sure that TZDRAM/TZRAM are already
+		 * enabled before calling into this handler. If this is not the
+		 * case, the following sequence must be executed before moving
+		 * on to step 2.
+		 *
+		 * tlbialle1is();
+		 * tlbialle3is();
+		 * dsbsy();
+		 * isb();
+		 *
+		 */
+		if ((sctlr & (uint64_t)SCTLR_M_BIT) == (uint64_t)SCTLR_M_BIT) {
+			tlbialle1is();
+			tlbialle3is();
+			dsbsy();
+			isb();
+		}
+
+		/*
+		 * Step2: SCF flush - Clean and invalidate caches and clear the
+		 * TR-bits
+		 */
+		ret = nvg_roc_clean_cache_trbits();
+		if (ret < 0) {
+			ERROR("%s: flush cache_trbits failed(%d)\n", __func__,
+				ret);
+			return;
+		}
+
+		/*
+		 * Step3: Issue the SECURITY_CONFIG request to MCE to enable
+		 * strict checking mode.
+		 */
+		nvg_enable_strict_checking_mode();
+	}
+}
+void mce_verify_strict_checking(void)
+{
+	bool is_silicon = tegra_platform_is_silicon();
+	bool is_fpga = tegra_platform_is_fpga();
+
+	if (is_silicon || is_fpga) {
+		nvg_verify_strict_checking_mode();
+	}
+}
+#endif
+
+/*******************************************************************************
+ * Handler to power down the entire system
+ ******************************************************************************/
+void mce_system_shutdown(void)
+{
+	nvg_system_shutdown();
+}
+
+/*******************************************************************************
+ * Handler to reboot the entire system
+ ******************************************************************************/
+void mce_system_reboot(void)
+{
+	nvg_system_reboot();
+}
+
+/*******************************************************************************
+ * Handler to clear CCPLEX->HSM correctable RAS error signal.
+ ******************************************************************************/
+void mce_clear_hsm_corr_status(void)
+{
+	nvg_clear_hsm_corr_status();
+}
diff --git a/plat/nvidia/tegra/soc/t194/drivers/mce/nvg.c b/plat/nvidia/tegra/soc/t194/drivers/mce/nvg.c
new file mode 100644
index 0000000..f76ab14
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t194/drivers/mce/nvg.c
@@ -0,0 +1,262 @@
+/*
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <errno.h>
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <common/debug.h>
+#include <denver.h>
+#include <lib/mmio.h>
+
+#include <mce_private.h>
+#include <platform_def.h>
+#include <t194_nvg.h>
+#include <tegra_private.h>
+
+#define	ID_AFR0_EL1_CACHE_OPS_SHIFT	U(12)
+#define	ID_AFR0_EL1_CACHE_OPS_MASK	U(0xF)
+/*
+ * Reports the major and minor version of this interface.
+ *
+ * NVGDATA[0:31]: SW(R) Minor Version
+ * NVGDATA[32:63]: SW(R) Major Version
+ */
+uint64_t nvg_get_version(void)
+{
+	nvg_set_request((uint64_t)TEGRA_NVG_CHANNEL_VERSION);
+
+	return (uint64_t)nvg_get_result();
+}
+
+/*
+ * Set the expected wake time in TSC ticks for the next low-power state the
+ * core enters.
+ *
+ * NVGDATA[0:31]: SW(RW), WAKE_TIME
+ */
+void nvg_set_wake_time(uint32_t wake_time)
+{
+	/* time (TSC ticks) until the core is expected to get a wake event */
+	nvg_set_request_data((uint64_t)TEGRA_NVG_CHANNEL_WAKE_TIME, (uint64_t)wake_time);
+}
+
+/*
+ * This request allows updating of CLUSTER_CSTATE, CCPLEX_CSTATE and
+ * SYSTEM_CSTATE values.
+ *
+ * NVGDATA[0:2]: SW(RW), CLUSTER_CSTATE
+ * NVGDATA[7]: SW(W), update cluster flag
+ * NVGDATA[8:10]: SW(RW), CG_CSTATE
+ * NVGDATA[15]: SW(W), update ccplex flag
+ * NVGDATA[16:19]: SW(RW), SYSTEM_CSTATE
+ * NVGDATA[23]: SW(W), update system flag
+ * NVGDATA[31]: SW(W), update wake mask flag
+ * NVGDATA[32:63]: SW(RW), WAKE_MASK
+ */
+void nvg_update_cstate_info(uint32_t cluster, uint32_t ccplex,
+		uint32_t system, uint32_t wake_mask, uint8_t update_wake_mask)
+{
+	uint64_t val = 0;
+
+	/* update CLUSTER_CSTATE? */
+	if (cluster != 0U) {
+		val |= ((uint64_t)cluster & CLUSTER_CSTATE_MASK) |
+				CLUSTER_CSTATE_UPDATE_BIT;
+	}
+
+	/* update CCPLEX_CSTATE? */
+	if (ccplex != 0U) {
+		val |= (((uint64_t)ccplex & CCPLEX_CSTATE_MASK) << CCPLEX_CSTATE_SHIFT) |
+				CCPLEX_CSTATE_UPDATE_BIT;
+	}
+
+	/* update SYSTEM_CSTATE? */
+	if (system != 0U) {
+		val |= (((uint64_t)system & SYSTEM_CSTATE_MASK) << SYSTEM_CSTATE_SHIFT) |
+				SYSTEM_CSTATE_UPDATE_BIT;
+	}
+
+	/* update wake mask value? */
+	if (update_wake_mask != 0U) {
+		val |= CSTATE_WAKE_MASK_UPDATE_BIT;
+	}
+
+	/* set the wake mask */
+	val |= ((uint64_t)wake_mask & CSTATE_WAKE_MASK_CLEAR) << CSTATE_WAKE_MASK_SHIFT;
+
+	/* set the updated cstate info */
+	nvg_set_request_data((uint64_t)TEGRA_NVG_CHANNEL_CSTATE_INFO, val);
+}
+
+/*
+ * Return a non-zero value if the CCPLEX is able to enter SC7
+ *
+ * NVGDATA[0]: SW(R), Is allowed result
+ */
+int32_t nvg_is_sc7_allowed(void)
+{
+	/* issue command to check if SC7 is allowed */
+	nvg_set_request((uint64_t)TEGRA_NVG_CHANNEL_IS_SC7_ALLOWED);
+
+	/* 1 = SC7 allowed, 0 = SC7 not allowed */
+	return (int32_t)nvg_get_result();
+}
+
+/*
+ * Wake an offlined logical core. Note that a core is offlined by entering
+ * a C-state where the WAKE_MASK is all 0.
+ *
+ * NVGDATA[0:3]: SW(W) logical core to online
+ */
+int32_t nvg_online_core(uint32_t core)
+{
+	int32_t ret = 0;
+
+	/* sanity check the core ID value */
+	if (core > (uint32_t)PLATFORM_CORE_COUNT) {
+		ERROR("%s: unknown core id (%d)\n", __func__, core);
+		ret = -EINVAL;
+	} else {
+		/* get a core online */
+		nvg_set_request_data((uint64_t)TEGRA_NVG_CHANNEL_ONLINE_CORE,
+					(uint64_t)core & MCE_CORE_ID_MASK);
+	}
+
+	return ret;
+}
+
+/*
+ * MC GSC (General Security Carveout) register values are expected to be
+ * changed by TrustZone ARM code after boot.
+ *
+ * NVGDATA[0:15] SW(R) GSC enun
+ */
+int32_t nvg_update_ccplex_gsc(uint32_t gsc_idx)
+{
+	int32_t ret = 0;
+
+	/* sanity check GSC ID */
+	if (gsc_idx > (uint32_t)TEGRA_NVG_CHANNEL_UPDATE_GSC_VPR) {
+		ERROR("%s: unknown gsc_idx (%u)\n", __func__, gsc_idx);
+		ret = -EINVAL;
+	} else {
+		nvg_set_request_data((uint64_t)TEGRA_NVG_CHANNEL_UPDATE_CCPLEX_GSC,
+				     (uint64_t)gsc_idx);
+	}
+
+	return ret;
+}
+
+/*
+ * Cache clean and invalidate, clear TR-bit operation for all CCPLEX caches.
+ */
+int32_t nvg_roc_clean_cache_trbits(void)
+{
+	int32_t ret = 0;
+
+	/* check if cache flush through mts is supported */
+	if (((read_id_afr0_el1() >> ID_AFR0_EL1_CACHE_OPS_SHIFT) &
+			ID_AFR0_EL1_CACHE_OPS_MASK) == 1U) {
+		if (nvg_cache_inval_all() == 0U) {
+			ERROR("%s: failed\n", __func__);
+			ret = -ENODEV;
+		}
+	} else {
+		ret = -ENOTSUP;
+	}
+
+	return ret;
+}
+
+/*
+ * Set the power state for a core
+ */
+int32_t nvg_enter_cstate(uint32_t state, uint32_t wake_time)
+{
+	int32_t ret = 0;
+	uint64_t val = 0ULL;
+
+	/* check for allowed power state */
+	if ((state != (uint32_t)TEGRA_NVG_CORE_C0) &&
+		(state != (uint32_t)TEGRA_NVG_CORE_C1) &&
+	    (state != (uint32_t)TEGRA_NVG_CORE_C6) &&
+		(state != (uint32_t)TEGRA_NVG_CORE_C7))
+	{
+		ERROR("%s: unknown cstate (%u)\n", __func__, state);
+		ret = -EINVAL;
+	} else {
+		/* time (TSC ticks) until the core is expected to get a wake event */
+		nvg_set_wake_time(wake_time);
+
+		/* set the core cstate */
+		val = read_actlr_el1() & ~ACTLR_EL1_PMSTATE_MASK;
+		write_actlr_el1(val | (uint64_t)state);
+	}
+
+	return ret;
+}
+
+#if ENABLE_STRICT_CHECKING_MODE
+/*
+ * Enable strict checking mode
+ *
+ * NVGDATA[3] strict_check ON + lock
+ */
+void nvg_enable_strict_checking_mode(void)
+{
+	uint64_t params = (uint64_t)(STRICT_CHECKING_ENABLED_SET |
+				     STRICT_CHECKING_LOCKED_SET);
+
+	nvg_set_request_data((uint64_t)TEGRA_NVG_CHANNEL_SECURITY_CONFIG, params);
+}
+
+void nvg_verify_strict_checking_mode(void)
+{
+	uint64_t params = (uint64_t)(STRICT_CHECKING_ENABLED_SET |
+				     STRICT_CHECKING_LOCKED_SET);
+
+	nvg_set_request((uint64_t)TEGRA_NVG_CHANNEL_SECURITY_CONFIG);
+	assert(params == (uint64_t)nvg_get_result());
+}
+#endif
+
+/*
+ * Request a reboot
+ *
+ * NVGDATA[0]: reboot command
+ */
+void nvg_system_reboot(void)
+{
+	/* issue command for reboot */
+	nvg_set_request_data((uint64_t)TEGRA_NVG_CHANNEL_SHUTDOWN,
+			     (uint64_t)TEGRA_NVG_REBOOT);
+}
+
+/*
+ * Request a shutdown
+ *
+ * NVGDATA[0]: shutdown command
+ */
+void nvg_system_shutdown(void)
+{
+	/* issue command for shutdown */
+	nvg_set_request_data((uint64_t)TEGRA_NVG_CHANNEL_SHUTDOWN,
+			     (uint64_t)TEGRA_NVG_SHUTDOWN);
+}
+
+/*
+ * Request to clear CCPLEX->HSM correctable error signal.
+ * NVGDATA[1]: A write of 1 clears the CCPLEX->HSM correctable error signal,
+ *             A write of 0 has no effect.
+ */
+void nvg_clear_hsm_corr_status(void)
+{
+	nvg_hsm_error_ctrl_channel_t status = { .bits = { .corr = 1U, }, };
+
+	nvg_set_request_data((uint64_t)TEGRA_NVG_CHANNEL_HSM_ERROR_CTRL, status.flat);
+}
diff --git a/plat/nvidia/tegra/soc/t194/drivers/se/se.c b/plat/nvidia/tegra/soc/t194/drivers/se/se.c
new file mode 100644
index 0000000..31b0e26
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t194/drivers/se/se.c
@@ -0,0 +1,511 @@
+/*
+ * Copyright (c) 2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <stdbool.h>
+
+#include <arch_helpers.h>
+#include <bpmp_ipc.h>
+#include <common/debug.h>
+#include <drivers/delay_timer.h>
+#include <lib/mmio.h>
+#include <lib/psci/psci.h>
+#include <se.h>
+#include <tegra_platform.h>
+
+#include "se_private.h"
+
+/*******************************************************************************
+ * Constants and Macros
+ ******************************************************************************/
+#define ERR_STATUS_SW_CLEAR		U(0xFFFFFFFF)
+#define INT_STATUS_SW_CLEAR		U(0xFFFFFFFF)
+#define MAX_TIMEOUT_MS			U(1000)	/* Max. timeout of 1s */
+#define NUM_SE_REGS_TO_SAVE		U(4)
+
+#define BYTES_IN_WORD			U(4)
+#define SHA256_MAX_HASH_RESULT		U(7)
+#define SHA256_DST_SIZE			U(32)
+#define SHA_FIRST_OP			U(1)
+#define MAX_SHA_ENGINE_CHUNK_SIZE	U(0xFFFFFF)
+#define SHA256_MSG_LENGTH_ONETIME	U(0xFFFF)
+
+/*******************************************************************************
+ * Data structure and global variables
+ ******************************************************************************/
+static uint32_t se_regs[NUM_SE_REGS_TO_SAVE];
+
+/*
+ * Check that SE operation has completed after kickoff.
+ *
+ * This function is invoked after an SE operation has been started,
+ * and it checks the following conditions:
+ *
+ * 1. SE_STATUS = IDLE
+ * 2. AHB bus data transfer is complete.
+ * 3. SE_ERR_STATUS is clean.
+ */
+static bool tegra_se_is_operation_complete(void)
+{
+	uint32_t val = 0, timeout = 0, sha_status, aes_status;
+	int32_t ret = 0;
+	bool se_is_busy, txn_has_errors, txn_successful;
+
+	/*
+	 * Poll the status register to check if the operation
+	 * completed.
+	 */
+	do {
+		val = tegra_se_read_32(CTX_SAVE_AUTO_STATUS);
+		se_is_busy = ((val & CTX_SAVE_AUTO_SE_BUSY) != 0U);
+
+		/* sleep until SE finishes */
+		if (se_is_busy) {
+			mdelay(1);
+			timeout++;
+		}
+
+	} while (se_is_busy && (timeout < MAX_TIMEOUT_MS));
+
+	/* any transaction errors? */
+	txn_has_errors = (tegra_se_read_32(SHA_ERR_STATUS) != 0U) ||
+			 (tegra_se_read_32(AES0_ERR_STATUS) != 0U);
+
+	/* transaction successful? */
+	sha_status = tegra_se_read_32(SHA_INT_STATUS) & SHA_SE_OP_DONE;
+	aes_status = tegra_se_read_32(AES0_INT_STATUS) & AES0_SE_OP_DONE;
+	txn_successful = (sha_status == SHA_SE_OP_DONE) &&
+			 (aes_status == AES0_SE_OP_DONE);
+
+	if ((timeout == MAX_TIMEOUT_MS) || txn_has_errors || !txn_successful) {
+		ERROR("%s: Atomic context save operation failed!\n",
+				__func__);
+		ret = -ECANCELED;
+	}
+
+	return (ret == 0);
+}
+
+/*
+ * Wait for SE engine to be idle and clear any pending interrupts, before
+ * starting the next SE operation.
+ */
+static bool tegra_se_is_ready(void)
+{
+	int32_t ret = 0;
+	uint32_t val = 0, timeout = 0;
+	bool se_is_ready;
+
+	/* Wait for previous operation to finish */
+	do {
+		val = tegra_se_read_32(CTX_SAVE_AUTO_STATUS);
+		se_is_ready = (val == CTX_SAVE_AUTO_SE_READY);
+
+		/* sleep until SE is ready */
+		if (!se_is_ready) {
+			mdelay(1);
+			timeout++;
+		}
+
+	} while (!se_is_ready && (timeout < MAX_TIMEOUT_MS));
+
+	if (timeout == MAX_TIMEOUT_MS) {
+		ERROR("%s: SE is not ready!\n", __func__);
+		ret = -ETIMEDOUT;
+	}
+
+	/* Clear any pending interrupts from previous operation */
+	tegra_se_write_32(AES0_INT_STATUS, INT_STATUS_SW_CLEAR);
+	tegra_se_write_32(AES1_INT_STATUS, INT_STATUS_SW_CLEAR);
+	tegra_se_write_32(RSA_INT_STATUS, INT_STATUS_SW_CLEAR);
+	tegra_se_write_32(SHA_INT_STATUS, INT_STATUS_SW_CLEAR);
+
+	/* Clear error status for each engine seen from current port */
+	tegra_se_write_32(AES0_ERR_STATUS, ERR_STATUS_SW_CLEAR);
+	tegra_se_write_32(AES1_ERR_STATUS, ERR_STATUS_SW_CLEAR);
+	tegra_se_write_32(RSA_ERR_STATUS, ERR_STATUS_SW_CLEAR);
+	tegra_se_write_32(SHA_ERR_STATUS, ERR_STATUS_SW_CLEAR);
+
+	return (ret == 0);
+}
+
+/*
+ * During System Suspend, this handler triggers the hardware context
+ * save operation.
+ */
+static int32_t tegra_se_save_context(void)
+{
+	int32_t ret = -ECANCELED;
+
+	/*
+	 * 1. Ensure all SE Driver including RNG1/PKA1 are shut down.
+	 *    TSEC/R5s are powergated/idle. All tasks on SE1~SE4, RNG1,
+	 *    PKA1 are wrapped up. SE0 is ready for use.
+	 * 2. Clear interrupt/error in SE0 status register.
+	 * 3. Scrub SE0 register to avoid false failure for illegal
+	 *    configuration. Probably not needed, dependent on HW
+	 *    implementation.
+	 * 4. Check SE is ready for HW CTX_SAVE by polling
+	 *    SE_CTX_SAVE_AUTO_STATUS.SE_READY.
+	 *
+	 *    Steps 1-4 are executed by tegra_se_is_ready().
+	 *
+	 * 5. Issue context save command.
+	 * 6. Check SE is busy with CTX_SAVE, the command in step5 was not
+	 *    dropped for ongoing traffic in any of SE port/engine.
+	 * 7. Poll SE register or wait for SE APB interrupt for task completion
+	 *    a. Polling: Read SE_CTX_SAVE_AUTO_STATUS.BUSY till it reports IDLE
+	 *    b. Interrupt: After receiving interrupt from SE APB, read
+	 *       SE_CTX_SAVE_AUTO_STATUS.BUSY till it reports IDLE.
+	 * 8. Check AES0 and SHA ERR_STATUS to ensure no error case.
+	 * 9. Check AES0 and SHA INT_STATUS to ensure operation has successfully
+	 *    completed.
+	 *
+	 *    Steps 6-9 are executed by tegra_se_is_operation_complete().
+	 */
+	if (tegra_se_is_ready()) {
+
+		/* Issue context save command */
+		tegra_se_write_32(AES0_OPERATION, SE_OP_CTX_SAVE);
+
+		/* Wait for operation to finish */
+		if (tegra_se_is_operation_complete()) {
+			ret = 0;
+		}
+	}
+
+	return ret;
+}
+
+/*
+ * Check that SE operation has completed after kickoff
+ * This function is invoked after an SE operation has been started,
+ * and it checks the following conditions:
+ * 1. SE0_INT_STATUS = SE0_OP_DONE
+ * 2. SE0_STATUS = IDLE
+ * 3. SE0_ERR_STATUS is clean.
+ */
+static int32_t tegra_se_sha256_hash_operation_complete(void)
+{
+	uint32_t val = 0U;
+
+	/* Poll the SE interrupt register to ensure H/W operation complete */
+	val = tegra_se_read_32(SE0_INT_STATUS_REG_OFFSET);
+	while (SE0_INT_OP_DONE(val) == SE0_INT_OP_DONE_CLEAR) {
+		val = tegra_se_read_32(SE0_INT_STATUS_REG_OFFSET);
+		if (SE0_INT_OP_DONE(val) != SE0_INT_OP_DONE_CLEAR) {
+			break;
+		}
+	}
+
+	/* Poll the SE status idle to ensure H/W operation complete */
+	val = tegra_se_read_32(SE0_SHA_STATUS_0);
+	while (val != SE0_SHA_STATUS_IDLE) {
+		val = tegra_se_read_32(SE0_SHA_STATUS_0);
+		if (val == SE0_SHA_STATUS_IDLE) {
+			break;
+		}
+	}
+
+	/* Ensure that no errors are thrown during operation */
+	val = tegra_se_read_32(SE0_ERR_STATUS_REG_OFFSET);
+	if (val != 0U) {
+		ERROR("%s: error during SE operation! 0x%x", __func__,
+				val);
+		return -ENOTSUP;
+	}
+
+	return 0;
+}
+
+/*
+ * Security engine primitive normal operations
+ */
+static int32_t tegra_se_start_normal_operation(uint64_t src_addr,
+		uint32_t nbytes, uint32_t last_buf, uint32_t src_len_inbytes)
+{
+	uint32_t val = 0U;
+	uint32_t src_in_lo;
+	uint32_t src_in_msb;
+	uint32_t src_in_hi;
+	int32_t ret = 0;
+
+	if ((src_addr == 0ULL) || (nbytes == 0U))
+		return -EINVAL;
+
+	src_in_lo = (uint32_t)src_addr;
+	src_in_msb = (uint32_t)((src_addr >> 32U) & 0xFFU);
+	src_in_hi = ((src_in_msb << SE0_IN_HI_ADDR_HI_0_MSB_SHIFT) |
+				(nbytes & MAX_SHA_ENGINE_CHUNK_SIZE));
+
+	/* set SRC_IN_ADDR_LO and SRC_IN_ADDR_HI*/
+	tegra_se_write_32(SE0_IN_ADDR, src_in_lo);
+	tegra_se_write_32(SE0_IN_HI_ADDR_HI, src_in_hi);
+
+	val = tegra_se_read_32(SE0_INT_STATUS_REG_OFFSET);
+	if (val > 0U) {
+		tegra_se_write_32(SE0_INT_STATUS_REG_OFFSET, 0x0U);
+	}
+
+	/* Enable SHA interrupt for SE0 Operation */
+	tegra_se_write_32(SE0_SHA_INT_ENABLE, 0x1aU);
+
+	/* flush to DRAM for SE to use the updated contents */
+	flush_dcache_range(src_addr, src_len_inbytes);
+
+	/* Start SHA256 operation */
+	if (last_buf == 1U) {
+		tegra_se_write_32(SE0_OPERATION_REG_OFFSET, SE0_OP_START |
+				SE0_UNIT_OPERATION_PKT_LASTBUF_FIELD);
+	} else {
+		tegra_se_write_32(SE0_OPERATION_REG_OFFSET, SE0_OP_START);
+	}
+
+	return ret;
+}
+
+static int32_t tegra_se_calculate_sha256_hash(uint64_t src_addr,
+						uint32_t src_len_inbyte)
+{
+	uint32_t val, last_buf, i;
+	int32_t ret = 0;
+	uint32_t operations;
+	uint64_t src_len_inbits;
+	uint32_t len_bits_msb;
+	uint32_t len_bits_lsb;
+	uint32_t number_of_operations, max_bytes, bytes_left, remaining_bytes;
+
+	if (src_len_inbyte > MAX_SHA_ENGINE_CHUNK_SIZE) {
+		ERROR("SHA input chunk size too big: 0x%x\n", src_len_inbyte);
+		return -EINVAL;
+	}
+
+	if (src_addr == 0ULL) {
+		return -EINVAL;
+	}
+
+	/* number of bytes per operation */
+	max_bytes = (SHA256_HASH_SIZE_BYTES * SHA256_MSG_LENGTH_ONETIME);
+
+	src_len_inbits = (uint32_t)(src_len_inbyte * 8U);
+	len_bits_msb = (uint32_t)(src_len_inbits >> 32U);
+	len_bits_lsb = (uint32_t)src_len_inbits;
+
+	/* program SE0_CONFIG for SHA256 operation */
+	val =  (uint32_t)(SE0_CONFIG_ENC_ALG_SHA | SE0_CONFIG_ENC_MODE_SHA256 |
+		SE0_CONFIG_DEC_ALG_NOP | SE0_CONFIG_DST_HASHREG);
+	tegra_se_write_32(SE0_SHA_CONFIG, val);
+
+	/* set SE0_SHA_MSG_LENGTH registers */
+	tegra_se_write_32(SE0_SHA_MSG_LENGTH_0, len_bits_lsb);
+	tegra_se_write_32(SE0_SHA_MSG_LEFT_0, len_bits_lsb);
+	tegra_se_write_32(SE0_SHA_MSG_LENGTH_1, len_bits_msb);
+
+	/* zero out unused SE0_SHA_MSG_LENGTH and SE0_SHA_MSG_LEFT */
+	tegra_se_write_32(SE0_SHA_MSG_LENGTH_2, 0U);
+	tegra_se_write_32(SE0_SHA_MSG_LENGTH_3, 0U);
+	tegra_se_write_32(SE0_SHA_MSG_LEFT_1, 0U);
+	tegra_se_write_32(SE0_SHA_MSG_LEFT_2, 0U);
+	tegra_se_write_32(SE0_SHA_MSG_LEFT_3, 0U);
+
+	number_of_operations = (src_len_inbyte / max_bytes);
+	remaining_bytes = (src_len_inbyte % max_bytes);
+	if (remaining_bytes > 0U) {
+		number_of_operations += 1U;
+	}
+
+	/*
+	 * 1. Operations == 1:	program SE0_SHA_TASK register to initiate SHA256
+	 *			hash generation by setting
+	 *			1(SE0_SHA_CONFIG_HW_INIT_HASH) to SE0_SHA_TASK
+	 *			and start SHA256-normal operation.
+	 * 2. 1 < Operations < number_of_operations: program SE0_SHA_TASK to
+	 *			0(SE0_SHA_CONFIG_HW_INIT_HASH_DISABLE) to load
+	 *			intermediate SHA256 digest result from
+	 *			HASH_RESULT register to continue SHA256
+	 *			generation and start SHA256-normal operation.
+	 * 3. Operations == number_of_operations: continue with step 2 and set
+	 *			max_bytes to bytes_left to process final
+	 *			hash-result generation and start SHA256-normal
+	 *			operation.
+	 */
+	bytes_left = src_len_inbyte;
+	for (operations = 1U; operations <= number_of_operations;
+								operations++) {
+		if (operations == SHA_FIRST_OP) {
+			val = SE0_SHA_CONFIG_HW_INIT_HASH;
+		} else {
+			/* Load intermediate SHA digest result to
+			 * SHA:HASH_RESULT(0..7) to continue the SHA
+			 * calculation and tell the SHA engine to use it.
+			 */
+			for (i = 0U; (i / BYTES_IN_WORD) <=
+				SHA256_MAX_HASH_RESULT; i += BYTES_IN_WORD) {
+				val = tegra_se_read_32(SE0_SHA_HASH_RESULT_0 +
+									i);
+				tegra_se_write_32(SE0_SHA_HASH_RESULT_0 + i,
+									val);
+			}
+			val = SE0_SHA_CONFIG_HW_INIT_HASH_DISABLE;
+			if (len_bits_lsb <= (max_bytes * 8U)) {
+				len_bits_lsb = (remaining_bytes * 8U);
+			} else {
+				len_bits_lsb -= (max_bytes * 8U);
+			}
+			tegra_se_write_32(SE0_SHA_MSG_LEFT_0, len_bits_lsb);
+		}
+		tegra_se_write_32(SE0_SHA_TASK_CONFIG, val);
+
+		max_bytes = (SHA256_HASH_SIZE_BYTES *
+						SHA256_MSG_LENGTH_ONETIME);
+		if (bytes_left < max_bytes) {
+			max_bytes = bytes_left;
+			last_buf = 1U;
+		} else {
+			bytes_left = bytes_left - max_bytes;
+			last_buf = 0U;
+		}
+		/* start operation */
+		ret = tegra_se_start_normal_operation(src_addr, max_bytes,
+					last_buf, src_len_inbyte);
+		if (ret != 0) {
+			ERROR("Error during SE operation! 0x%x", ret);
+			return -EINVAL;
+		}
+	}
+
+	return ret;
+}
+
+static int32_t tegra_se_save_sha256_pmc_scratch(void)
+{
+	uint32_t val = 0U, hash_offset = 0U, scratch_offset = 0U;
+	int32_t ret;
+
+	/* Check SE0 operation status */
+	ret = tegra_se_sha256_hash_operation_complete();
+	if (ret != 0) {
+		ERROR("SE operation complete Failed! 0x%x", ret);
+		return ret;
+	}
+
+	for (scratch_offset = SECURE_SCRATCH_TZDRAM_SHA256_HASH_START;
+			scratch_offset <= SECURE_SCRATCH_TZDRAM_SHA256_HASH_END;
+					scratch_offset += BYTES_IN_WORD) {
+		val = tegra_se_read_32(SE0_SHA_HASH_RESULT_0 + hash_offset);
+		mmio_write_32((uint32_t)(TEGRA_SCRATCH_BASE + scratch_offset),
+									val);
+		hash_offset += BYTES_IN_WORD;
+	}
+	return 0;
+}
+
+/*
+ * Handler to generate SHA256 and save HASH-result to pmc-scratch register
+ */
+int32_t tegra_se_calculate_save_sha256(uint64_t src_addr,
+						uint32_t src_len_inbyte)
+{
+	uint32_t security;
+	int32_t val = 0;
+
+	/* Set SE_SOFT_SETTINGS=SE_SECURE to prevent NS process to change SE
+	 * registers.
+	 */
+	security = tegra_se_read_32(SE0_SECURITY);
+	tegra_se_write_32(SE0_SECURITY, security | SE0_SECURITY_SE_SOFT_SETTING);
+
+	/* Bootrom enable IN_ID bit in SE0_SHA_GSCID_0 register during SC7-exit, causing
+	 * SE0 ignores SE0 operation, and therefore failure of 2nd iteration of SC7 cycle.
+	 */
+	tegra_se_write_32(SE0_SHA_GSCID_0, 0x0U);
+
+	/* Calculate SHA256 of BL31 */
+	val = tegra_se_calculate_sha256_hash(src_addr, src_len_inbyte);
+	if (val != 0) {
+		ERROR("%s: SHA256 generation failed\n", __func__);
+		return val;
+	}
+
+	/*
+	 * Reset SE_SECURE to previous value.
+	 */
+	tegra_se_write_32(SE0_SECURITY, security);
+
+	/* copy sha256_dst to PMC Scratch register */
+	val = tegra_se_save_sha256_pmc_scratch();
+	if (val != 0) {
+		ERROR("%s: SE0 status Error.\n", __func__);
+	}
+
+	return val;
+}
+
+/*
+ * Handler to power down the SE hardware blocks - SE, RNG1 and PKA1. This
+ * needs to be called only during System Suspend.
+ */
+int32_t tegra_se_suspend(void)
+{
+	int32_t ret = 0;
+
+	/* initialise communication channel with BPMP */
+	assert(tegra_bpmp_ipc_init() == 0);
+
+	/* Enable SE clock before SE context save */
+	ret = tegra_bpmp_ipc_enable_clock(TEGRA194_CLK_SE);
+	assert(ret == 0);
+
+	/* save SE registers */
+	se_regs[0] = mmio_read_32(TEGRA_SE0_BASE + SE0_MUTEX_WATCHDOG_NS_LIMIT);
+	se_regs[1] = mmio_read_32(TEGRA_SE0_BASE + SE0_AES0_ENTROPY_SRC_AGE_CTRL);
+	se_regs[2] = mmio_read_32(TEGRA_RNG1_BASE + RNG1_MUTEX_WATCHDOG_NS_LIMIT);
+	se_regs[3] = mmio_read_32(TEGRA_PKA1_BASE + PKA1_MUTEX_WATCHDOG_NS_LIMIT);
+
+	/* Save SE context. The BootROM restores it during System Resume */
+	ret = tegra_se_save_context();
+	if (ret != 0) {
+		ERROR("%s: context save failed (%d)\n", __func__, ret);
+	}
+
+	/* Disable SE clock after SE context save */
+	ret = tegra_bpmp_ipc_disable_clock(TEGRA194_CLK_SE);
+	assert(ret == 0);
+
+	return ret;
+}
+
+/*
+ * Handler to power up the SE hardware block(s) during System Resume.
+ */
+void tegra_se_resume(void)
+{
+	int32_t ret = 0;
+
+	/* initialise communication channel with BPMP */
+	assert(tegra_bpmp_ipc_init() == 0);
+
+	/* Enable SE clock before SE context restore */
+	ret = tegra_bpmp_ipc_enable_clock(TEGRA194_CLK_SE);
+	assert(ret == 0);
+
+	/*
+	 * When TZ takes over after System Resume, TZ should first reconfigure
+	 * SE_MUTEX_WATCHDOG_NS_LIMIT, PKA1_MUTEX_WATCHDOG_NS_LIMIT,
+	 * RNG1_MUTEX_WATCHDOG_NS_LIMIT and SE_ENTROPY_SRC_AGE_CTRL before
+	 * other operations.
+	 */
+	mmio_write_32(TEGRA_SE0_BASE + SE0_MUTEX_WATCHDOG_NS_LIMIT, se_regs[0]);
+	mmio_write_32(TEGRA_SE0_BASE + SE0_AES0_ENTROPY_SRC_AGE_CTRL, se_regs[1]);
+	mmio_write_32(TEGRA_RNG1_BASE + RNG1_MUTEX_WATCHDOG_NS_LIMIT, se_regs[2]);
+	mmio_write_32(TEGRA_PKA1_BASE + PKA1_MUTEX_WATCHDOG_NS_LIMIT, se_regs[3]);
+
+	/* Disable SE clock after SE context restore */
+	ret = tegra_bpmp_ipc_disable_clock(TEGRA194_CLK_SE);
+	assert(ret == 0);
+}
diff --git a/plat/nvidia/tegra/soc/t194/drivers/se/se_private.h b/plat/nvidia/tegra/soc/t194/drivers/se/se_private.h
new file mode 100644
index 0000000..fc118aa
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t194/drivers/se/se_private.h
@@ -0,0 +1,165 @@
+/*
+ * Copyright (c) 2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SE_PRIVATE_H
+#define SE_PRIVATE_H
+
+#include <lib/utils_def.h>
+#include <tegra_def.h>
+
+/* SE0 security register */
+#define SE0_SECURITY				U(0x18)
+#define SE0_SECURITY_SE_SOFT_SETTING		(((uint32_t)1) << 16U)
+
+/* SE0 SHA GSCID register */
+#define SE0_SHA_GSCID_0				U(0x100)
+
+/* SE0 config register */
+#define SE0_SHA_CONFIG				U(0x104)
+#define SE0_SHA_TASK_CONFIG			U(0x108)
+#define SE0_SHA_CONFIG_HW_INIT_HASH		(((uint32_t)1) << 0U)
+#define SE0_SHA_CONFIG_HW_INIT_HASH_DISABLE	U(0)
+
+#define SE0_CONFIG_ENC_ALG_SHIFT		U(12)
+#define SE0_CONFIG_ENC_ALG_SHA	\
+		(((uint32_t)3) << SE0_CONFIG_ENC_ALG_SHIFT)
+#define SE0_CONFIG_DEC_ALG_SHIFT		U(8)
+#define SE0_CONFIG_DEC_ALG_NOP	\
+		(((uint32_t)0) << SE0_CONFIG_DEC_ALG_SHIFT)
+#define SE0_CONFIG_DST_SHIFT			U(2)
+#define SE0_CONFIG_DST_HASHREG	\
+		(((uint32_t)1) << SE0_CONFIG_DST_SHIFT)
+#define SHA256_HASH_SIZE_BYTES			U(256)
+
+#define SE0_CONFIG_ENC_MODE_SHIFT		U(24)
+#define SE0_CONFIG_ENC_MODE_SHA256	\
+			(((uint32_t)5) << SE0_CONFIG_ENC_MODE_SHIFT)
+
+/* SHA input message length */
+#define SE0_IN_ADDR				U(0x10c)
+#define SE0_IN_HI_ADDR_HI			U(0x110)
+#define SE0_IN_HI_ADDR_HI_0_MSB_SHIFT		U(24)
+
+/* SHA input message length */
+#define SE0_SHA_MSG_LENGTH_0			U(0x11c)
+#define SE0_SHA_MSG_LENGTH_1			U(0x120)
+#define SE0_SHA_MSG_LENGTH_2			U(0x124)
+#define SE0_SHA_MSG_LENGTH_3			U(0x128)
+
+/* SHA input message left  */
+#define SE0_SHA_MSG_LEFT_0			U(0x12c)
+#define SE0_SHA_MSG_LEFT_1			U(0x130)
+#define SE0_SHA_MSG_LEFT_2			U(0x134)
+#define SE0_SHA_MSG_LEFT_3			U(0x138)
+
+/* SE HASH-RESULT */
+#define SE0_SHA_HASH_RESULT_0			U(0x13c)
+
+/* SE OPERATION */
+#define SE0_OPERATION_REG_OFFSET		U(0x17c)
+#define SE0_UNIT_OPERATION_PKT_LASTBUF_SHIFT	U(16)
+#define SE0_UNIT_OPERATION_PKT_LASTBUF_FIELD	\
+		((uint32_t)0x1 << SE0_UNIT_OPERATION_PKT_LASTBUF_SHIFT)
+#define SE0_OPERATION_SHIFT			U(0)
+#define SE0_OP_START	\
+		(((uint32_t)0x1) << SE0_OPERATION_SHIFT)
+
+/* SE Interrupt */
+#define SE0_SHA_INT_ENABLE			U(0x180)
+
+#define SE0_INT_STATUS_REG_OFFSET		U(0x184)
+#define SE0_INT_OP_DONE_SHIFT			U(4)
+#define SE0_INT_OP_DONE_CLEAR	\
+		(((uint32_t)0U) << SE0_INT_OP_DONE_SHIFT)
+#define SE0_INT_OP_DONE(x)	\
+		((x) & (((uint32_t)0x1U) << SE0_INT_OP_DONE_SHIFT))
+
+/* SE SHA Status */
+#define SE0_SHA_STATUS_0			U(0x188)
+#define SE0_SHA_STATUS_IDLE			U(0)
+
+/* SE error status */
+#define SE0_ERR_STATUS_REG_OFFSET		U(0x18c)
+#define SE0_ERR_STATUS_CLEAR			U(0)
+
+/* SE error status */
+#define SECURE_SCRATCH_TZDRAM_SHA256_HASH_START	SECURE_SCRATCH_RSV68_LO
+#define SECURE_SCRATCH_TZDRAM_SHA256_HASH_END	SECURE_SCRATCH_RSV71_HI
+
+/* SE0_INT_ENABLE_0 */
+#define SE0_INT_ENABLE				U(0x88)
+#define  SE0_DISABLE_ALL_INT			U(0x0)
+
+/* SE0_INT_STATUS_0 */
+#define SE0_INT_STATUS				U(0x8C)
+#define  SE0_CLEAR_ALL_INT_STATUS		U(0x3F)
+
+/* SE0_SHA_INT_STATUS_0 */
+#define SHA_INT_STATUS				U(0x184)
+#define SHA_SE_OP_DONE				(U(1) << 4)
+
+/* SE0_SHA_ERR_STATUS_0 */
+#define SHA_ERR_STATUS				U(0x18C)
+
+/* SE0_AES0_INT_STATUS_0 */
+#define AES0_INT_STATUS				U(0x2F0)
+#define  AES0_SE_OP_DONE			(U(1) << 4)
+
+/* SE0_AES0_ERR_STATUS_0 */
+#define AES0_ERR_STATUS				U(0x2F8)
+
+/* SE0_AES1_INT_STATUS_0 */
+#define AES1_INT_STATUS				U(0x4F0)
+
+/* SE0_AES1_ERR_STATUS_0 */
+#define AES1_ERR_STATUS				U(0x4F8)
+
+/* SE0_RSA_INT_STATUS_0 */
+#define RSA_INT_STATUS				U(0x758)
+
+/* SE0_RSA_ERR_STATUS_0 */
+#define RSA_ERR_STATUS				U(0x760)
+
+/* SE0_AES0_OPERATION_0 */
+#define AES0_OPERATION				U(0x238)
+#define  OP_MASK_BITS				U(0x7)
+#define  SE_OP_CTX_SAVE				U(0x3)
+
+/* SE0_AES0_CTX_SAVE_CONFIG_0 */
+#define	CTX_SAVE_CONFIG				U(0x2D4)
+
+/* SE0_AES0_CTX_SAVE_AUTO_STATUS_0 */
+#define CTX_SAVE_AUTO_STATUS			U(0x300)
+#define  CTX_SAVE_AUTO_SE_READY			U(0xFF)
+#define	 CTX_SAVE_AUTO_SE_BUSY			(U(0x1) << 31)
+
+/* SE0_AES0_CTX_SAVE_AUTO_CTRL_0 */
+#define CTX_SAVE_AUTO_CTRL			U(0x304)
+#define	 SE_CTX_SAVE_AUTO_EN			(U(0x1) << 0)
+#define	 SE_CTX_SAVE_AUTO_LOCK_EN		(U(0x1) << 1)
+
+/* SE0_AES0_CTX_SAVE_AUTO_START_ADDR_0 */
+#define CTX_SAVE_AUTO_START_ADDR		U(0x308)
+
+/* SE0_AES0_CTX_SAVE_AUTO_START_ADDR_HI_0 */
+#define CTX_SAVE_AUTO_START_ADDR_HI		U(0x30C)
+
+/*******************************************************************************
+ * Inline functions definition
+ ******************************************************************************/
+
+static inline uint32_t tegra_se_read_32(uint32_t offset)
+{
+	return mmio_read_32((uint32_t)(TEGRA_SE0_BASE + offset));
+}
+
+static inline void tegra_se_write_32(uint32_t offset, uint32_t val)
+{
+	mmio_write_32((uint32_t)(TEGRA_SE0_BASE + offset), val);
+}
+
+#endif /* SE_PRIVATE_H */
diff --git a/plat/nvidia/tegra/soc/t194/plat_memctrl.c b/plat/nvidia/tegra/soc/t194/plat_memctrl.c
new file mode 100644
index 0000000..9ddcacf
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t194/plat_memctrl.c
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <common/bl_common.h>
+#include <mce.h>
+#include <memctrl_v2.h>
+#include <tegra_platform.h>
+#include <tegra_private.h>
+
+/*******************************************************************************
+ * Array to hold MC context for Tegra194
+ ******************************************************************************/
+static __attribute__((aligned(16))) mc_regs_t tegra194_mc_context[] = {
+	_START_OF_TABLE_,
+	mc_smmu_bypass_cfg,	/* TBU settings */
+	_END_OF_TABLE_,
+};
+
+/*******************************************************************************
+ * Handler to return the pointer to the MC's context struct
+ ******************************************************************************/
+mc_regs_t *plat_memctrl_get_sys_suspend_ctx(void)
+{
+	/* index of _END_OF_TABLE_ */
+	tegra194_mc_context[0].val = (uint32_t)ARRAY_SIZE(tegra194_mc_context) - 1U;
+
+	return tegra194_mc_context;
+}
+
+/*******************************************************************************
+ * Handler to restore platform specific settings to the memory controller
+ ******************************************************************************/
+void plat_memctrl_restore(void)
+{
+	UNUSED_FUNC_NOP(); /* do nothing */
+}
+
+/*******************************************************************************
+ * Handler to program platform specific settings to the memory controller
+ ******************************************************************************/
+void plat_memctrl_setup(void)
+{
+	UNUSED_FUNC_NOP(); /* do nothing */
+}
+
+/*******************************************************************************
+ * Handler to program the scratch registers with TZDRAM settings for the
+ * resume firmware
+ ******************************************************************************/
+void plat_memctrl_tzdram_setup(uint64_t phys_base, uint64_t size_in_bytes)
+{
+	uint32_t sec_reg_ctrl = tegra_mc_read_32(MC_SECURITY_CFG_REG_CTRL_0);
+	uint32_t phys_base_lo = (uint32_t)phys_base & 0xFFF00000;
+	uint32_t phys_base_hi = (uint32_t)(phys_base >> 32);
+
+	/*
+	 * Check TZDRAM carveout register access status. Setup TZDRAM fence
+	 * only if access is enabled.
+	 */
+	if ((sec_reg_ctrl & SECURITY_CFG_WRITE_ACCESS_BIT) ==
+	     SECURITY_CFG_WRITE_ACCESS_ENABLE) {
+
+		/*
+		 * Setup the Memory controller to allow only secure accesses to
+		 * the TZDRAM carveout
+		 */
+		INFO("Configuring TrustZone DRAM Memory Carveout\n");
+
+		tegra_mc_write_32(MC_SECURITY_CFG0_0, phys_base_lo);
+		tegra_mc_write_32(MC_SECURITY_CFG3_0, phys_base_hi);
+		tegra_mc_write_32(MC_SECURITY_CFG1_0, (uint32_t)(size_in_bytes >> 20));
+
+		/*
+		 * MCE propagates the security configuration values across the
+		 * CCPLEX.
+		 */
+		(void)mce_update_gsc_tzdram();
+	}
+}
diff --git a/plat/nvidia/tegra/soc/t194/plat_psci_handlers.c b/plat/nvidia/tegra/soc/t194/plat_psci_handlers.c
new file mode 100644
index 0000000..41a85ee
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t194/plat_psci_handlers.c
@@ -0,0 +1,505 @@
+/*
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <assert.h>
+#include <stdbool.h>
+#include <string.h>
+
+#include <arch_helpers.h>
+#include <bpmp_ipc.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <context.h>
+#include <drivers/delay_timer.h>
+#include <denver.h>
+#include <lib/el3_runtime/context_mgmt.h>
+#include <lib/psci/psci.h>
+#include <mce.h>
+#include <mce_private.h>
+#include <memctrl_v2.h>
+#include <plat/common/platform.h>
+#include <se.h>
+#include <smmu.h>
+#include <t194_nvg.h>
+#include <tegra194_private.h>
+#include <tegra_platform.h>
+#include <tegra_private.h>
+
+extern uint32_t __tegra194_cpu_reset_handler_data,
+		__tegra194_cpu_reset_handler_end;
+
+/* TZDRAM offset for saving SMMU context */
+#define TEGRA194_SMMU_CTX_OFFSET	16U
+
+/* state id mask */
+#define TEGRA194_STATE_ID_MASK		0xFU
+/* constants to get power state's wake time */
+#define TEGRA194_WAKE_TIME_MASK		0x0FFFFFF0U
+#define TEGRA194_WAKE_TIME_SHIFT	4U
+/* default core wake mask for CPU_SUSPEND */
+#define TEGRA194_CORE_WAKE_MASK		0x180cU
+
+static struct t19x_psci_percpu_data {
+	uint32_t wake_time;
+} __aligned(CACHE_WRITEBACK_GRANULE) t19x_percpu_data[PLATFORM_CORE_COUNT];
+
+int32_t tegra_soc_validate_power_state(uint32_t power_state,
+					psci_power_state_t *req_state)
+{
+	uint8_t state_id = (uint8_t)psci_get_pstate_id(power_state) &
+			   TEGRA194_STATE_ID_MASK;
+	uint32_t cpu = plat_my_core_pos();
+	int32_t ret = PSCI_E_SUCCESS;
+
+	/* save the core wake time (in TSC ticks)*/
+	t19x_percpu_data[cpu].wake_time = (power_state & TEGRA194_WAKE_TIME_MASK)
+			<< TEGRA194_WAKE_TIME_SHIFT;
+
+	/*
+	 * Clean t19x_percpu_data[cpu] to DRAM. This needs to be done to ensure
+	 * that the correct value is read in tegra_soc_pwr_domain_suspend(),
+	 * which is called with caches disabled. It is possible to read a stale
+	 * value from DRAM in that function, because the L2 cache is not flushed
+	 * unless the cluster is entering CC6/CC7.
+	 */
+	clean_dcache_range((uint64_t)&t19x_percpu_data[cpu],
+			sizeof(t19x_percpu_data[cpu]));
+
+	/* Sanity check the requested state id */
+	switch (state_id) {
+	case PSTATE_ID_CORE_IDLE:
+
+		if (psci_get_pstate_type(power_state) != PSTATE_TYPE_STANDBY) {
+			ret = PSCI_E_INVALID_PARAMS;
+			break;
+		}
+
+		/* Core idle request */
+		req_state->pwr_domain_state[MPIDR_AFFLVL0] = PLAT_MAX_RET_STATE;
+		req_state->pwr_domain_state[MPIDR_AFFLVL1] = PSCI_LOCAL_STATE_RUN;
+		break;
+
+	default:
+		ERROR("%s: unsupported state id (%d)\n", __func__, state_id);
+		ret = PSCI_E_INVALID_PARAMS;
+		break;
+	}
+
+	return ret;
+}
+
+int32_t tegra_soc_cpu_standby(plat_local_state_t cpu_state)
+{
+	uint32_t cpu = plat_my_core_pos();
+	mce_cstate_info_t cstate_info = { 0 };
+
+	/* Program default wake mask */
+	cstate_info.wake_mask = TEGRA194_CORE_WAKE_MASK;
+	cstate_info.update_wake_mask = 1;
+	mce_update_cstate_info(&cstate_info);
+
+	/* Enter CPU idle */
+	(void)mce_command_handler((uint64_t)MCE_CMD_ENTER_CSTATE,
+				  (uint64_t)TEGRA_NVG_CORE_C6,
+				  t19x_percpu_data[cpu].wake_time,
+				  0U);
+
+	return PSCI_E_SUCCESS;
+}
+
+int32_t tegra_soc_pwr_domain_suspend(const psci_power_state_t *target_state)
+{
+	const plat_local_state_t *pwr_domain_state;
+	uint8_t stateid_afflvl2;
+	plat_params_from_bl2_t *params_from_bl2 = bl31_get_plat_params();
+	uint64_t mc_ctx_base;
+	uint32_t val;
+	mce_cstate_info_t sc7_cstate_info = {
+		.cluster = (uint32_t)TEGRA_NVG_CLUSTER_CC6,
+		.ccplex = (uint32_t)TEGRA_NVG_CG_CG7,
+		.system = (uint32_t)TEGRA_NVG_SYSTEM_SC7,
+		.system_state_force = 1U,
+		.update_wake_mask = 1U,
+	};
+	int32_t ret = 0;
+
+	/* get the state ID */
+	pwr_domain_state = target_state->pwr_domain_state;
+	stateid_afflvl2 = pwr_domain_state[PLAT_MAX_PWR_LVL] &
+		TEGRA194_STATE_ID_MASK;
+
+	if (stateid_afflvl2 == PSTATE_ID_SOC_POWERDN) {
+
+		/* save 'Secure Boot' Processor Feature Config Register */
+		val = mmio_read_32(TEGRA_MISC_BASE + MISCREG_PFCFG);
+		mmio_write_32(TEGRA_SCRATCH_BASE + SCRATCH_SECURE_BOOTP_FCFG, val);
+
+		/* save MC context */
+		mc_ctx_base = params_from_bl2->tzdram_base +
+				tegra194_get_mc_ctx_offset();
+		tegra_mc_save_context((uintptr_t)mc_ctx_base);
+
+		/*
+		 * Suspend SE, RNG1 and PKA1 only on silcon and fpga,
+		 * since VDK does not support atomic se ctx save
+		 */
+		if (tegra_platform_is_silicon() || tegra_platform_is_fpga()) {
+			ret = tegra_se_suspend();
+			assert(ret == 0);
+		}
+
+		/* Prepare for system suspend */
+		mce_update_cstate_info(&sc7_cstate_info);
+
+		do {
+			val = (uint32_t)mce_command_handler(
+					(uint32_t)MCE_CMD_IS_SC7_ALLOWED,
+					(uint32_t)TEGRA_NVG_CORE_C7,
+					MCE_CORE_SLEEP_TIME_INFINITE,
+					0U);
+		} while (val == 0U);
+
+		/* Instruct the MCE to enter system suspend state */
+		ret = mce_command_handler(
+				(uint64_t)MCE_CMD_ENTER_CSTATE,
+				(uint64_t)TEGRA_NVG_CORE_C7,
+				MCE_CORE_SLEEP_TIME_INFINITE,
+				0U);
+		assert(ret == 0);
+
+		/* set system suspend state for house-keeping */
+		tegra194_set_system_suspend_entry();
+	}
+
+	return PSCI_E_SUCCESS;
+}
+
+/*******************************************************************************
+ * Helper function to check if this is the last ON CPU in the cluster
+ ******************************************************************************/
+static bool tegra_last_on_cpu_in_cluster(const plat_local_state_t *states,
+			uint32_t ncpu)
+{
+	plat_local_state_t target;
+	bool last_on_cpu = true;
+	uint32_t num_cpus = ncpu, pos = 0;
+
+	do {
+		target = states[pos];
+		if (target != PLAT_MAX_OFF_STATE) {
+			last_on_cpu = false;
+		}
+		--num_cpus;
+		pos++;
+	} while (num_cpus != 0U);
+
+	return last_on_cpu;
+}
+
+/*******************************************************************************
+ * Helper function to get target power state for the cluster
+ ******************************************************************************/
+static plat_local_state_t tegra_get_afflvl1_pwr_state(const plat_local_state_t *states,
+			uint32_t ncpu)
+{
+	uint32_t core_pos = (uint32_t)read_mpidr() & (uint32_t)MPIDR_CPU_MASK;
+	plat_local_state_t target = states[core_pos];
+	mce_cstate_info_t cstate_info = { 0 };
+
+	/* CPU off */
+	if (target == PLAT_MAX_OFF_STATE) {
+
+		/* Enable cluster powerdn from last CPU in the cluster */
+		if (tegra_last_on_cpu_in_cluster(states, ncpu)) {
+
+			/* Enable CC6 state and turn off wake mask */
+			cstate_info.cluster = (uint32_t)TEGRA_NVG_CLUSTER_CC6;
+			cstate_info.ccplex = (uint32_t)TEGRA_NVG_CG_CG7;
+			cstate_info.system_state_force = 1;
+			cstate_info.update_wake_mask = 1U;
+			mce_update_cstate_info(&cstate_info);
+
+		} else {
+
+			/* Turn off wake_mask */
+			cstate_info.update_wake_mask = 1U;
+			mce_update_cstate_info(&cstate_info);
+			target = PSCI_LOCAL_STATE_RUN;
+		}
+	}
+
+	return target;
+}
+
+/*******************************************************************************
+ * Platform handler to calculate the proper target power level at the
+ * specified affinity level
+ ******************************************************************************/
+plat_local_state_t tegra_soc_get_target_pwr_state(uint32_t lvl,
+					     const plat_local_state_t *states,
+					     uint32_t ncpu)
+{
+	plat_local_state_t target = PSCI_LOCAL_STATE_RUN;
+	uint32_t cpu = plat_my_core_pos();
+
+	/* System Suspend */
+	if ((lvl == (uint32_t)MPIDR_AFFLVL2) && (states[cpu] == PSTATE_ID_SOC_POWERDN)) {
+		target = PSTATE_ID_SOC_POWERDN;
+	}
+
+	/* CPU off, CPU suspend */
+	if (lvl == (uint32_t)MPIDR_AFFLVL1) {
+		target = tegra_get_afflvl1_pwr_state(states, ncpu);
+	}
+
+	/* target cluster/system state */
+	return target;
+}
+
+int32_t tegra_soc_pwr_domain_power_down_wfi(const psci_power_state_t *target_state)
+{
+	const plat_local_state_t *pwr_domain_state =
+		target_state->pwr_domain_state;
+	plat_params_from_bl2_t *params_from_bl2 = bl31_get_plat_params();
+	uint8_t stateid_afflvl2 = pwr_domain_state[PLAT_MAX_PWR_LVL] &
+		TEGRA194_STATE_ID_MASK;
+	uint64_t src_len_in_bytes = (uintptr_t)&__BL31_END__ - (uintptr_t)BL31_BASE;
+	uint64_t val;
+	int32_t ret = PSCI_E_SUCCESS;
+
+	if (stateid_afflvl2 == PSTATE_ID_SOC_POWERDN) {
+		val = params_from_bl2->tzdram_base +
+		      tegra194_get_cpu_reset_handler_size();
+
+		/* initialise communication channel with BPMP */
+		ret = tegra_bpmp_ipc_init();
+		assert(ret == 0);
+
+		/* Enable SE clock before SE context save */
+		ret = tegra_bpmp_ipc_enable_clock(TEGRA194_CLK_SE);
+		assert(ret == 0);
+
+		/*
+		 * It is very unlikely that the BL31 image would be
+		 * bigger than 2^32 bytes
+		 */
+		assert(src_len_in_bytes < UINT32_MAX);
+
+		if (tegra_se_calculate_save_sha256(BL31_BASE,
+					(uint32_t)src_len_in_bytes) != 0) {
+			ERROR("Hash calculation failed. Reboot\n");
+			(void)tegra_soc_prepare_system_reset();
+		}
+
+		/*
+		 * The TZRAM loses power when we enter system suspend. To
+		 * allow graceful exit from system suspend, we need to copy
+		 * BL3-1 over to TZDRAM.
+		 */
+		val = params_from_bl2->tzdram_base +
+		      tegra194_get_cpu_reset_handler_size();
+		memcpy((void *)(uintptr_t)val, (void *)(uintptr_t)BL31_BASE,
+		       src_len_in_bytes);
+
+		/* Disable SE clock after SE context save */
+		ret = tegra_bpmp_ipc_disable_clock(TEGRA194_CLK_SE);
+		assert(ret == 0);
+	}
+
+	return ret;
+}
+
+int32_t tegra_soc_pwr_domain_suspend_pwrdown_early(const psci_power_state_t *target_state)
+{
+	return PSCI_E_NOT_SUPPORTED;
+}
+
+int32_t tegra_soc_pwr_domain_on(u_register_t mpidr)
+{
+	uint64_t target_cpu = mpidr & MPIDR_CPU_MASK;
+	uint64_t target_cluster = (mpidr & MPIDR_CLUSTER_MASK) >>
+			MPIDR_AFFINITY_BITS;
+	int32_t ret = 0;
+
+	if (target_cluster > ((uint32_t)PLATFORM_CLUSTER_COUNT - 1U)) {
+		ERROR("%s: unsupported CPU (0x%lx)\n", __func__ , mpidr);
+		return PSCI_E_NOT_PRESENT;
+	}
+
+	/* construct the target CPU # */
+	target_cpu += (target_cluster << 1U);
+
+	ret = mce_command_handler((uint64_t)MCE_CMD_ONLINE_CORE, target_cpu, 0U, 0U);
+	if (ret < 0) {
+		return PSCI_E_DENIED;
+	}
+
+	return PSCI_E_SUCCESS;
+}
+
+int32_t tegra_soc_pwr_domain_on_finish(const psci_power_state_t *target_state)
+{
+	const plat_params_from_bl2_t *params_from_bl2 = bl31_get_plat_params();
+	uint8_t enable_ccplex_lock_step = params_from_bl2->enable_ccplex_lock_step;
+	uint8_t stateid_afflvl2 = target_state->pwr_domain_state[PLAT_MAX_PWR_LVL];
+	cpu_context_t *ctx = cm_get_context(NON_SECURE);
+	uint64_t actlr_elx;
+
+	/*
+	 * Reset power state info for CPUs when onlining, we set
+	 * deepest power when offlining a core but that may not be
+	 * requested by non-secure sw which controls idle states. It
+	 * will re-init this info from non-secure software when the
+	 * core come online.
+	 */
+	actlr_elx = read_ctx_reg((get_el1_sysregs_ctx(ctx)), (CTX_ACTLR_EL1));
+	actlr_elx &= ~DENVER_CPU_PMSTATE_MASK;
+	actlr_elx |= DENVER_CPU_PMSTATE_C1;
+	write_ctx_reg((get_el1_sysregs_ctx(ctx)), (CTX_ACTLR_EL1), (actlr_elx));
+
+	/*
+	 * Check if we are exiting from deep sleep and restore SE
+	 * context if we are.
+	 */
+	if (stateid_afflvl2 == PSTATE_ID_SOC_POWERDN) {
+
+#if ENABLE_STRICT_CHECKING_MODE
+		/*
+		 * Enable strict checking after programming the GSC for
+		 * enabling TZSRAM and TZDRAM
+		 */
+		mce_enable_strict_checking();
+#endif
+
+		/* Init SMMU */
+		tegra_smmu_init();
+
+		/* Resume SE, RNG1 and PKA1 */
+		tegra_se_resume();
+
+		/*
+		 * Program XUSB STREAMIDs
+		 * ======================
+		 * T19x XUSB has support for XUSB virtualization. It will
+		 * have one physical function (PF) and four Virtual functions
+		 * (VF)
+		 *
+		 * There were below two SIDs for XUSB until T186.
+		 * 1) #define TEGRA_SID_XUSB_HOST    0x1bU
+		 * 2) #define TEGRA_SID_XUSB_DEV    0x1cU
+		 *
+		 * We have below four new SIDs added for VF(s)
+		 * 3) #define TEGRA_SID_XUSB_VF0    0x5dU
+		 * 4) #define TEGRA_SID_XUSB_VF1    0x5eU
+		 * 5) #define TEGRA_SID_XUSB_VF2    0x5fU
+		 * 6) #define TEGRA_SID_XUSB_VF3    0x60U
+		 *
+		 * When virtualization is enabled then we have to disable SID
+		 * override and program above SIDs in below newly added SID
+		 * registers in XUSB PADCTL MMIO space. These registers are
+		 * TZ protected and so need to be done in ATF.
+		 *
+		 * a) #define XUSB_PADCTL_HOST_AXI_STREAMID_PF_0 (0x136cU)
+		 * b) #define XUSB_PADCTL_DEV_AXI_STREAMID_PF_0  (0x139cU)
+		 * c) #define XUSB_PADCTL_HOST_AXI_STREAMID_VF_0 (0x1370U)
+		 * d) #define XUSB_PADCTL_HOST_AXI_STREAMID_VF_1 (0x1374U)
+		 * e) #define XUSB_PADCTL_HOST_AXI_STREAMID_VF_2 (0x1378U)
+		 * f) #define XUSB_PADCTL_HOST_AXI_STREAMID_VF_3 (0x137cU)
+		 *
+		 * This change disables SID override and programs XUSB SIDs
+		 * in above registers to support both virtualization and
+		 * non-virtualization platforms
+		 */
+		if (tegra_platform_is_silicon() || tegra_platform_is_fpga()) {
+
+			mmio_write_32(TEGRA_XUSB_PADCTL_BASE +
+				XUSB_PADCTL_HOST_AXI_STREAMID_PF_0, TEGRA_SID_XUSB_HOST);
+			assert(mmio_read_32(TEGRA_XUSB_PADCTL_BASE +
+				XUSB_PADCTL_HOST_AXI_STREAMID_PF_0) == TEGRA_SID_XUSB_HOST);
+			mmio_write_32(TEGRA_XUSB_PADCTL_BASE +
+				XUSB_PADCTL_HOST_AXI_STREAMID_VF_0, TEGRA_SID_XUSB_VF0);
+			assert(mmio_read_32(TEGRA_XUSB_PADCTL_BASE +
+				XUSB_PADCTL_HOST_AXI_STREAMID_VF_0) == TEGRA_SID_XUSB_VF0);
+			mmio_write_32(TEGRA_XUSB_PADCTL_BASE +
+				XUSB_PADCTL_HOST_AXI_STREAMID_VF_1, TEGRA_SID_XUSB_VF1);
+			assert(mmio_read_32(TEGRA_XUSB_PADCTL_BASE +
+				XUSB_PADCTL_HOST_AXI_STREAMID_VF_1) == TEGRA_SID_XUSB_VF1);
+			mmio_write_32(TEGRA_XUSB_PADCTL_BASE +
+				XUSB_PADCTL_HOST_AXI_STREAMID_VF_2, TEGRA_SID_XUSB_VF2);
+			assert(mmio_read_32(TEGRA_XUSB_PADCTL_BASE +
+				XUSB_PADCTL_HOST_AXI_STREAMID_VF_2) == TEGRA_SID_XUSB_VF2);
+			mmio_write_32(TEGRA_XUSB_PADCTL_BASE +
+				XUSB_PADCTL_HOST_AXI_STREAMID_VF_3, TEGRA_SID_XUSB_VF3);
+			assert(mmio_read_32(TEGRA_XUSB_PADCTL_BASE +
+				XUSB_PADCTL_HOST_AXI_STREAMID_VF_3) == TEGRA_SID_XUSB_VF3);
+			mmio_write_32(TEGRA_XUSB_PADCTL_BASE +
+				XUSB_PADCTL_DEV_AXI_STREAMID_PF_0, TEGRA_SID_XUSB_DEV);
+			assert(mmio_read_32(TEGRA_XUSB_PADCTL_BASE +
+				XUSB_PADCTL_DEV_AXI_STREAMID_PF_0) == TEGRA_SID_XUSB_DEV);
+		}
+	}
+
+	/*
+	 * Enable dual execution optimized translations for all ELx.
+	 */
+	if (enable_ccplex_lock_step != 0U) {
+		actlr_elx = read_actlr_el3();
+		actlr_elx |= DENVER_CPU_ENABLE_DUAL_EXEC_EL3;
+		write_actlr_el3(actlr_elx);
+
+		actlr_elx = read_actlr_el2();
+		actlr_elx |= DENVER_CPU_ENABLE_DUAL_EXEC_EL2;
+		write_actlr_el2(actlr_elx);
+
+		actlr_elx = read_actlr_el1();
+		actlr_elx |= DENVER_CPU_ENABLE_DUAL_EXEC_EL1;
+		write_actlr_el1(actlr_elx);
+	}
+
+	return PSCI_E_SUCCESS;
+}
+
+int32_t tegra_soc_pwr_domain_off(const psci_power_state_t *target_state)
+{
+	uint64_t impl = (read_midr() >> MIDR_IMPL_SHIFT) & MIDR_IMPL_MASK;
+	int32_t ret = 0;
+
+	(void)target_state;
+
+	/* Disable Denver's DCO operations */
+	if (impl == DENVER_IMPL) {
+		denver_disable_dco();
+	}
+
+	/* Turn off CPU */
+	ret = mce_command_handler((uint64_t)MCE_CMD_ENTER_CSTATE,
+			(uint64_t)TEGRA_NVG_CORE_C7, MCE_CORE_SLEEP_TIME_INFINITE, 0U);
+	assert(ret == 0);
+
+	return PSCI_E_SUCCESS;
+}
+
+__dead2 void tegra_soc_prepare_system_off(void)
+{
+	/* System power off */
+	mce_system_shutdown();
+
+	wfi();
+
+	/* wait for the system to power down */
+	for (;;) {
+		;
+	}
+}
+
+int32_t tegra_soc_prepare_system_reset(void)
+{
+	/* System reboot */
+	mce_system_reboot();
+
+	return PSCI_E_SUCCESS;
+}
diff --git a/plat/nvidia/tegra/soc/t194/plat_ras.c b/plat/nvidia/tegra/soc/t194/plat_ras.c
new file mode 100644
index 0000000..02f6158
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t194/plat_ras.c
@@ -0,0 +1,493 @@
+/*
+ * Copyright (c) 2020-2021, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+#include <common/debug.h>
+#include <lib/bakery_lock.h>
+#include <lib/cassert.h>
+#include <lib/extensions/ras.h>
+#include <lib/utils_def.h>
+#include <services/sdei.h>
+
+#include <plat/common/platform.h>
+#include <platform_def.h>
+#include <tegra194_ras_private.h>
+#include <tegra_def.h>
+#include <tegra_platform.h>
+#include <tegra_private.h>
+
+/*
+ * ERR<n>FR bits[63:32], it indicates supported RAS errors which can be enabled
+ * by setting corresponding bits in ERR<n>CTLR
+ */
+#define ERR_FR_EN_BITS_MASK	0xFFFFFFFF00000000ULL
+
+/*
+ * Number of RAS errors will be cleared per 'tegra194_ras_corrected_err_clear'
+ * function call.
+ */
+#define RAS_ERRORS_PER_CALL	8
+
+/*
+ * the max possible RAS node index value.
+ */
+#define RAS_NODE_INDEX_MAX	0x1FFFFFFFU
+
+/* bakery lock for platform RAS handler. */
+static DEFINE_BAKERY_LOCK(ras_handler_lock);
+#define ras_lock()		bakery_lock_get(&ras_handler_lock)
+#define ras_unlock()		bakery_lock_release(&ras_handler_lock)
+
+/*
+ * Function to handle an External Abort received at EL3.
+ * This function is invoked by RAS framework.
+ */
+static void tegra194_ea_handler(unsigned int ea_reason, uint64_t syndrome,
+		void *cookie, void *handle, uint64_t flags)
+{
+	int32_t ret;
+
+	ras_lock();
+
+	ERROR("MPIDR 0x%lx: exception reason=%u syndrome=0x%" PRIx64 "\n",
+		read_mpidr(), ea_reason, syndrome);
+
+	/* Call RAS EA handler */
+	ret = ras_ea_handler(ea_reason, syndrome, cookie, handle, flags);
+	if (ret != 0) {
+		ERROR("RAS error handled!\n");
+		ret = sdei_dispatch_event(TEGRA_SDEI_EP_EVENT_0 +
+				plat_my_core_pos());
+		if (ret != 0)
+			ERROR("sdei_dispatch_event returned %d\n", ret);
+	} else {
+		ERROR("Not a RAS error!\n");
+	}
+
+	ras_unlock();
+}
+
+/*
+ * Function to enable all supported RAS error report.
+ *
+ * Uncorrected errors are set to report as External abort (SError)
+ * Corrected errors are set to report as interrupt.
+ */
+void tegra194_ras_enable(void)
+{
+	VERBOSE("%s\n", __func__);
+
+	/* skip RAS enablement if not a silicon platform. */
+	if (!tegra_platform_is_silicon()) {
+		return;
+	}
+
+	/*
+	 * Iterate for each group(num_idx ERRSELRs starting from idx_start)
+	 * use normal for loop instead of for_each_err_record_info to get rid
+	 * of MISRA noise..
+	 */
+	for (uint32_t i = 0U; i < err_record_mappings.num_err_records; i++) {
+
+		const struct err_record_info *info = &err_record_mappings.err_records[i];
+
+		uint32_t idx_start = info->sysreg.idx_start;
+		uint32_t num_idx = info->sysreg.num_idx;
+		const struct ras_aux_data *aux_data = (const struct ras_aux_data *)info->aux_data;
+
+		assert(aux_data != NULL);
+
+		for (uint32_t j = 0; j < num_idx; j++) {
+
+			/* ERR<n>CTLR register value. */
+			uint64_t err_ctrl = 0ULL;
+			/* all supported errors for this node. */
+			uint64_t err_fr;
+			/* uncorrectable errors */
+			uint64_t uncorr_errs;
+			/* correctable errors */
+			uint64_t corr_errs;
+
+			/*
+			 * Catch error if something wrong with the RAS aux data
+			 * record table.
+			 */
+			assert(aux_data[j].err_ctrl != NULL);
+
+			/*
+			 * Write to ERRSELR_EL1 to select the RAS error node.
+			 * Always program this at first to select corresponding
+			 * RAS node before any other RAS register r/w.
+			 */
+			ser_sys_select_record(idx_start + j);
+
+			err_fr = read_erxfr_el1() & ERR_FR_EN_BITS_MASK;
+			uncorr_errs = aux_data[j].err_ctrl();
+			corr_errs = ~uncorr_errs & err_fr;
+
+			/* enable error reporting */
+			ERR_CTLR_ENABLE_FIELD(err_ctrl, ED);
+
+			/* enable SError reporting for uncorrectable errors */
+			if ((uncorr_errs & err_fr) != 0ULL) {
+				ERR_CTLR_ENABLE_FIELD(err_ctrl, UE);
+			}
+
+			/* generate interrupt for corrected errors. */
+			if (corr_errs != 0ULL) {
+				ERR_CTLR_ENABLE_FIELD(err_ctrl, CFI);
+			}
+
+			/* enable the supported errors */
+			err_ctrl |= err_fr;
+
+			VERBOSE("errselr_el1:0x%x, erxfr:0x%" PRIx64 ", err_ctrl:0x%" PRIx64 "\n",
+				idx_start + j, err_fr, err_ctrl);
+
+			/* enable specified errors, or set to 0 if no supported error */
+			write_erxctlr_el1(err_ctrl);
+		}
+	}
+}
+
+/*
+ * Function to clear RAS ERR<n>STATUS for corrected RAS error.
+ *
+ * This function clears number of 'RAS_ERRORS_PER_CALL' RAS errors at most.
+ * 'cookie' - in/out cookie parameter to specify/store last visited RAS
+ *            error record index. it is set to '0' to indicate no more RAS
+ *            error record to clear.
+ */
+void tegra194_ras_corrected_err_clear(uint64_t *cookie)
+{
+	/*
+	 * 'last_node' and 'last_idx' represent last visited RAS node index from
+	 * previous function call. they are set to 0 when first smc call is made
+	 * or all RAS error are visited by followed multipile smc calls.
+	 */
+	union prev_record {
+		struct record {
+			uint32_t last_node;
+			uint32_t last_idx;
+		} rec;
+		uint64_t value;
+	} prev;
+
+	uint64_t clear_ce_status = 0ULL;
+	int32_t nerrs_per_call = RAS_ERRORS_PER_CALL;
+	uint32_t i;
+
+	if (cookie == NULL) {
+		return;
+	}
+
+	prev.value = *cookie;
+
+	if ((prev.rec.last_node >= RAS_NODE_INDEX_MAX) ||
+		(prev.rec.last_idx >= RAS_NODE_INDEX_MAX)) {
+		return;
+	}
+
+	ERR_STATUS_SET_FIELD(clear_ce_status, AV, 0x1UL);
+	ERR_STATUS_SET_FIELD(clear_ce_status, V, 0x1UL);
+	ERR_STATUS_SET_FIELD(clear_ce_status, OF, 0x1UL);
+	ERR_STATUS_SET_FIELD(clear_ce_status, MV, 0x1UL);
+	ERR_STATUS_SET_FIELD(clear_ce_status, CE, 0x3UL);
+
+
+	for (i = prev.rec.last_node; i < err_record_mappings.num_err_records; i++) {
+
+		const struct err_record_info *info = &err_record_mappings.err_records[i];
+		uint32_t idx_start = info->sysreg.idx_start;
+		uint32_t num_idx = info->sysreg.num_idx;
+
+		uint32_t j;
+
+		j = (i == prev.rec.last_node && prev.value != 0UL) ?
+				(prev.rec.last_idx + 1U) : 0U;
+
+		for (; j < num_idx; j++) {
+
+			uint64_t status;
+			uint32_t err_idx = idx_start + j;
+
+			if (err_idx >= RAS_NODE_INDEX_MAX) {
+				return;
+			}
+
+			write_errselr_el1(err_idx);
+			status = read_erxstatus_el1();
+
+			if (ERR_STATUS_GET_FIELD(status, CE) != 0U) {
+				write_erxstatus_el1(clear_ce_status);
+			}
+
+			--nerrs_per_call;
+
+			/* only clear 'nerrs_per_call' errors each time. */
+			if (nerrs_per_call <= 0) {
+				prev.rec.last_idx = j;
+				prev.rec.last_node = i;
+				/* save last visited error record index
+				 * into cookie.
+				 */
+				*cookie = prev.value;
+
+				return;
+			}
+		}
+	}
+
+	/*
+	 * finish if all ras error records are checked or provided index is out
+	 * of range.
+	 */
+	*cookie = 0ULL;
+	return;
+}
+
+/* Function to probe an error from error record group. */
+static int32_t tegra194_ras_record_probe(const struct err_record_info *info,
+		int *probe_data)
+{
+	/* Skip probing if not a silicon platform */
+	if (!tegra_platform_is_silicon()) {
+		return 0;
+	}
+
+	return ser_probe_sysreg(info->sysreg.idx_start, info->sysreg.num_idx, probe_data);
+}
+
+/* Function to handle error from one given node */
+static int32_t tegra194_ras_node_handler(uint32_t errselr, const char *name,
+		const struct ras_error *errors, uint64_t status)
+{
+	bool found = false;
+	uint32_t ierr = (uint32_t)ERR_STATUS_GET_FIELD(status, IERR);
+	uint32_t serr = (uint32_t)ERR_STATUS_GET_FIELD(status, SERR);
+	uint64_t val = 0;
+
+	/* not a valid error. */
+	if (ERR_STATUS_GET_FIELD(status, V) == 0U) {
+		return 0;
+	}
+
+	ERR_STATUS_SET_FIELD(val, V, 1);
+
+	/* keep the log print same as linux arm64_ras driver. */
+	ERROR("**************************************\n");
+	ERROR("RAS Error in %s, ERRSELR_EL1=0x%x:\n", name, errselr);
+	ERROR("\tStatus = 0x%" PRIx64 "\n", status);
+
+	/* Print uncorrectable errror information. */
+	if (ERR_STATUS_GET_FIELD(status, UE) != 0U) {
+
+		ERR_STATUS_SET_FIELD(val, UE, 1);
+		ERR_STATUS_SET_FIELD(val, UET, 1);
+
+		/* IERR to error message */
+		for (uint32_t i = 0; errors[i].error_msg != NULL; i++) {
+			if (ierr == errors[i].error_code) {
+				ERROR("\tIERR = %s: 0x%x\n",
+					errors[i].error_msg, ierr);
+
+				found = true;
+				break;
+			}
+		}
+
+		if (!found) {
+			ERROR("\tUnknown IERR: 0x%x\n", ierr);
+		}
+
+		ERROR("SERR = %s: 0x%x\n", ras_serr_to_str(serr), serr);
+
+		/* Overflow, multiple errors have been detected. */
+		if (ERR_STATUS_GET_FIELD(status, OF) != 0U) {
+			ERROR("\tOverflow (there may be more errors) - "
+				"Uncorrectable\n");
+			ERR_STATUS_SET_FIELD(val, OF, 1);
+		}
+
+		ERROR("\tUncorrectable (this is fatal)\n");
+
+		/* Miscellaneous Register Valid. */
+		if (ERR_STATUS_GET_FIELD(status, MV) != 0U) {
+			ERROR("\tMISC0 = 0x%lx\n", read_erxmisc0_el1());
+			ERROR("\tMISC1 = 0x%lx\n", read_erxmisc1_el1());
+			ERR_STATUS_SET_FIELD(val, MV, 1);
+		}
+
+		/* Address Valid. */
+		if (ERR_STATUS_GET_FIELD(status, AV) != 0U) {
+			ERROR("\tADDR = 0x%lx\n", read_erxaddr_el1());
+			ERR_STATUS_SET_FIELD(val, AV, 1);
+		}
+
+		/* Deferred error */
+		if (ERR_STATUS_GET_FIELD(status, DE) != 0U) {
+			ERROR("\tDeferred error\n");
+			ERR_STATUS_SET_FIELD(val, DE, 1);
+		}
+
+	} else {
+		/* For corrected error, simply clear it. */
+		VERBOSE("corrected RAS error is cleared: ERRSELR_EL1:0x%x, "
+			"IERR:0x%x, SERR:0x%x\n", errselr, ierr, serr);
+		ERR_STATUS_SET_FIELD(val, CE, 1);
+	}
+
+	ERROR("**************************************\n");
+
+	/* Write to clear reported errors. */
+	write_erxstatus_el1(val);
+
+	/* error handled */
+	return 0;
+}
+
+/* Function to handle one error node from an error record group. */
+static int32_t tegra194_ras_record_handler(const struct err_record_info *info,
+		int probe_data, const struct err_handler_data *const data __unused)
+{
+	uint32_t num_idx = info->sysreg.num_idx;
+	uint32_t idx_start = info->sysreg.idx_start;
+	const struct ras_aux_data *aux_data = info->aux_data;
+	const struct ras_error *errors;
+	uint32_t offset;
+	const char *node_name;
+
+	uint64_t status = 0ULL;
+
+	VERBOSE("%s\n", __func__);
+
+	assert(probe_data >= 0);
+	assert((uint32_t)probe_data < num_idx);
+
+	offset = (uint32_t)probe_data;
+	errors = aux_data[offset].error_records;
+	node_name = aux_data[offset].name;
+
+	assert(errors != NULL);
+
+	/* Write to ERRSELR_EL1 to select the error record */
+	ser_sys_select_record(idx_start + offset);
+
+	/* Retrieve status register from the error record */
+	status = read_erxstatus_el1();
+
+	return tegra194_ras_node_handler(idx_start + offset, node_name,
+			errors, status);
+}
+
+
+/* Instantiate RAS nodes */
+PER_CORE_RAS_NODE_LIST(DEFINE_ONE_RAS_NODE)
+PER_CLUSTER_RAS_NODE_LIST(DEFINE_ONE_RAS_NODE)
+SCF_L3_BANK_RAS_NODE_LIST(DEFINE_ONE_RAS_NODE)
+CCPLEX_RAS_NODE_LIST(DEFINE_ONE_RAS_NODE)
+
+/* Instantiate RAS node groups */
+static struct ras_aux_data per_core_ras_group[] = {
+	PER_CORE_RAS_GROUP_NODES
+};
+CASSERT(ARRAY_SIZE(per_core_ras_group) < RAS_NODE_INDEX_MAX,
+	assert_max_per_core_ras_group_size);
+
+static struct ras_aux_data per_cluster_ras_group[] = {
+	PER_CLUSTER_RAS_GROUP_NODES
+};
+CASSERT(ARRAY_SIZE(per_cluster_ras_group) < RAS_NODE_INDEX_MAX,
+	assert_max_per_cluster_ras_group_size);
+
+static struct ras_aux_data scf_l3_ras_group[] = {
+	SCF_L3_BANK_RAS_GROUP_NODES
+};
+CASSERT(ARRAY_SIZE(scf_l3_ras_group) < RAS_NODE_INDEX_MAX,
+	assert_max_scf_l3_ras_group_size);
+
+static struct ras_aux_data ccplex_ras_group[] = {
+    CCPLEX_RAS_GROUP_NODES
+};
+CASSERT(ARRAY_SIZE(ccplex_ras_group) < RAS_NODE_INDEX_MAX,
+	assert_max_ccplex_ras_group_size);
+
+/*
+ * We have same probe and handler for each error record group, use a macro to
+ * simply the record definition.
+ */
+#define ADD_ONE_ERR_GROUP(errselr_start, group) \
+	ERR_RECORD_SYSREG_V1((errselr_start), (uint32_t)ARRAY_SIZE((group)), \
+			&tegra194_ras_record_probe, \
+			&tegra194_ras_record_handler, (group))
+
+/* RAS error record group information */
+static struct err_record_info carmel_ras_records[] = {
+	/*
+	 * Per core ras error records
+	 * ERRSELR starts from 0*256 + Logical_CPU_ID*16 + 0 to
+	 * 0*256 + Logical_CPU_ID*16 + 5 for each group.
+	 * 8 cores/groups, 6 * 8 nodes in total.
+	 */
+	ADD_ONE_ERR_GROUP(0x000, per_core_ras_group),
+	ADD_ONE_ERR_GROUP(0x010, per_core_ras_group),
+	ADD_ONE_ERR_GROUP(0x020, per_core_ras_group),
+	ADD_ONE_ERR_GROUP(0x030, per_core_ras_group),
+	ADD_ONE_ERR_GROUP(0x040, per_core_ras_group),
+	ADD_ONE_ERR_GROUP(0x050, per_core_ras_group),
+	ADD_ONE_ERR_GROUP(0x060, per_core_ras_group),
+	ADD_ONE_ERR_GROUP(0x070, per_core_ras_group),
+
+	/*
+	 * Per cluster ras error records
+	 * ERRSELR starts from 2*256 + Logical_Cluster_ID*16 + 0 to
+	 * 2*256 + Logical_Cluster_ID*16 + 3.
+	 * 4 clusters/groups, 3 * 4 nodes in total.
+	 */
+	ADD_ONE_ERR_GROUP(0x200, per_cluster_ras_group),
+	ADD_ONE_ERR_GROUP(0x210, per_cluster_ras_group),
+	ADD_ONE_ERR_GROUP(0x220, per_cluster_ras_group),
+	ADD_ONE_ERR_GROUP(0x230, per_cluster_ras_group),
+
+	/*
+	 * SCF L3_Bank ras error records
+	 * ERRSELR: 3*256 + L3_Bank_ID, L3_Bank_ID: 0-3
+	 * 1 groups, 4 nodes in total.
+	 */
+	ADD_ONE_ERR_GROUP(0x300, scf_l3_ras_group),
+
+	/*
+	 * CCPLEX ras error records
+	 * ERRSELR: 4*256 + Unit_ID, Unit_ID: 0 - 4
+	 * 1 groups, 5 nodes in total.
+	 */
+	ADD_ONE_ERR_GROUP(0x400, ccplex_ras_group),
+};
+
+CASSERT(ARRAY_SIZE(carmel_ras_records) < RAS_NODE_INDEX_MAX,
+	assert_max_carmel_ras_records_size);
+
+REGISTER_ERR_RECORD_INFO(carmel_ras_records);
+
+/* dummy RAS interrupt */
+static struct ras_interrupt carmel_ras_interrupts[] = {};
+REGISTER_RAS_INTERRUPTS(carmel_ras_interrupts);
+
+/*******************************************************************************
+ * RAS handler for the platform
+ ******************************************************************************/
+void plat_ea_handler(unsigned int ea_reason, uint64_t syndrome, void *cookie,
+		void *handle, uint64_t flags)
+{
+#if RAS_EXTENSION
+	tegra194_ea_handler(ea_reason, syndrome, cookie, handle, flags);
+#else
+	plat_default_ea_handler(ea_reason, syndrome, cookie, handle, flags);
+#endif
+}
diff --git a/plat/nvidia/tegra/soc/t194/plat_secondary.c b/plat/nvidia/tegra/soc/t194/plat_secondary.c
new file mode 100644
index 0000000..1cb14ad
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t194/plat_secondary.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <string.h>
+
+#include <arch_helpers.h>
+#include <common/debug.h>
+#include <lib/mmio.h>
+
+#include <mce.h>
+#include <tegra194_private.h>
+#include <tegra_def.h>
+#include <tegra_private.h>
+
+extern uint64_t tegra_bl31_phys_base;
+
+#define MISCREG_AA64_RST_LOW		0x2004U
+#define MISCREG_AA64_RST_HIGH		0x2008U
+
+#define CPU_RESET_MODE_AA64		1U
+
+/*******************************************************************************
+ * Setup secondary CPU vectors
+ ******************************************************************************/
+void plat_secondary_setup(void)
+{
+	uint32_t addr_low, addr_high;
+	plat_params_from_bl2_t *params_from_bl2 = bl31_get_plat_params();
+	uint64_t cpu_reset_handler_base, cpu_reset_handler_size, tzdram_addr;
+	uint64_t src_len_bytes = BL_END - tegra_bl31_phys_base;
+
+	INFO("Setting up secondary CPU boot\n");
+
+	tzdram_addr = params_from_bl2->tzdram_base +
+		      tegra194_get_cpu_reset_handler_size();
+
+	/*
+	 * The BL31 code resides in the TZSRAM which loses state
+	 * when we enter System Suspend. Copy the wakeup trampoline
+	 * code to TZDRAM to help us exit from System Suspend.
+	 */
+	cpu_reset_handler_base = tegra194_get_cpu_reset_handler_base();
+	cpu_reset_handler_size = tegra194_get_cpu_reset_handler_size();
+	memcpy((void *)((uintptr_t)params_from_bl2->tzdram_base),
+		(void *)((uintptr_t)cpu_reset_handler_base),
+		cpu_reset_handler_size);
+
+	/* TZDRAM base will be used as the "resume" address */
+	addr_low = (uint32_t)params_from_bl2->tzdram_base | CPU_RESET_MODE_AA64;
+	addr_high = (uint32_t)((params_from_bl2->tzdram_base >> 32U) & 0x7ffU);
+
+	/* write lower 32 bits first, then the upper 11 bits */
+	mmio_write_32(TEGRA_MISC_BASE + MISCREG_AA64_RST_LOW, addr_low);
+	assert(mmio_read_32(TEGRA_MISC_BASE + MISCREG_AA64_RST_LOW) == addr_low);
+	mmio_write_32(TEGRA_MISC_BASE + MISCREG_AA64_RST_HIGH, addr_high);
+	assert(mmio_read_32(TEGRA_MISC_BASE + MISCREG_AA64_RST_HIGH) == addr_high);
+
+	/* save reset vector to be used during SYSTEM_SUSPEND exit */
+	mmio_write_32(TEGRA_SCRATCH_BASE + SCRATCH_RESET_VECTOR_LO,
+			addr_low);
+	assert(mmio_read_32(TEGRA_SCRATCH_BASE + SCRATCH_RESET_VECTOR_LO) == addr_low);
+	mmio_write_32(TEGRA_SCRATCH_BASE + SCRATCH_RESET_VECTOR_HI,
+			addr_high);
+	assert(mmio_read_32(TEGRA_SCRATCH_BASE + SCRATCH_RESET_VECTOR_HI) == addr_high);
+	mmio_write_32(TEGRA_SCRATCH_BASE + SECURE_SCRATCH_RSV72_LO,
+						(uint32_t)tzdram_addr);
+	assert(mmio_read_32(TEGRA_SCRATCH_BASE + SECURE_SCRATCH_RSV72_LO) == (uint32_t)tzdram_addr);
+	mmio_write_32(TEGRA_SCRATCH_BASE + SECURE_SCRATCH_RSV72_HI,
+						(uint32_t)src_len_bytes);
+	assert(mmio_read_32(TEGRA_SCRATCH_BASE + SECURE_SCRATCH_RSV72_HI) == (uint32_t)src_len_bytes);
+}
diff --git a/plat/nvidia/tegra/soc/t194/plat_setup.c b/plat/nvidia/tegra/soc/t194/plat_setup.c
new file mode 100644
index 0000000..8f7d1e9
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t194/plat_setup.c
@@ -0,0 +1,449 @@
+/*
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <assert.h>
+#include <bl31/bl31.h>
+#include <common/bl_common.h>
+#include <common/interrupt_props.h>
+#include <drivers/console.h>
+#include <context.h>
+#include <lib/el3_runtime/context_mgmt.h>
+#include <cortex_a57.h>
+#include <common/debug.h>
+#include <denver.h>
+#include <drivers/arm/gic_common.h>
+#include <drivers/arm/gicv2.h>
+#include <bl31/interrupt_mgmt.h>
+#include <mce.h>
+#include <mce_private.h>
+#include <memctrl.h>
+#include <plat/common/platform.h>
+#include <smmu.h>
+#include <spe.h>
+#include <tegra_def.h>
+#include <tegra_platform.h>
+#include <tegra_private.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+
+/* ID for spe-console */
+#define TEGRA_CONSOLE_SPE_ID		0xFE
+
+/*******************************************************************************
+ * Structure to store the SCR addresses and its expected settings.
+ *******************************************************************************
+ */
+typedef struct {
+	uint32_t scr_addr;
+	uint32_t scr_val;
+} scr_settings_t;
+
+static const scr_settings_t t194_scr_settings[] = {
+	{ SCRATCH_RSV68_SCR, SCRATCH_RSV68_SCR_VAL },
+	{ SCRATCH_RSV71_SCR, SCRATCH_RSV71_SCR_VAL },
+	{ SCRATCH_RSV72_SCR, SCRATCH_RSV72_SCR_VAL },
+	{ SCRATCH_RSV75_SCR, SCRATCH_RSV75_SCR_VAL },
+	{ SCRATCH_RSV81_SCR, SCRATCH_RSV81_SCR_VAL },
+	{ SCRATCH_RSV97_SCR, SCRATCH_RSV97_SCR_VAL },
+	{ SCRATCH_RSV99_SCR, SCRATCH_RSV99_SCR_VAL },
+	{ SCRATCH_RSV109_SCR, SCRATCH_RSV109_SCR_VAL },
+	{ MISCREG_SCR_SCRTZWELCK, MISCREG_SCR_SCRTZWELCK_VAL }
+};
+
+/*******************************************************************************
+ * The Tegra power domain tree has a single system level power domain i.e. a
+ * single root node. The first entry in the power domain descriptor specifies
+ * the number of power domains at the highest power level.
+ *******************************************************************************
+ */
+static const uint8_t tegra_power_domain_tree_desc[] = {
+	/* No of root nodes */
+	1,
+	/* No of clusters */
+	PLATFORM_CLUSTER_COUNT,
+	/* No of CPU cores - cluster0 */
+	PLATFORM_MAX_CPUS_PER_CLUSTER,
+	/* No of CPU cores - cluster1 */
+	PLATFORM_MAX_CPUS_PER_CLUSTER,
+	/* No of CPU cores - cluster2 */
+	PLATFORM_MAX_CPUS_PER_CLUSTER,
+	/* No of CPU cores - cluster3 */
+	PLATFORM_MAX_CPUS_PER_CLUSTER
+};
+
+/*******************************************************************************
+ * This function returns the Tegra default topology tree information.
+ ******************************************************************************/
+const uint8_t *plat_get_power_domain_tree_desc(void)
+{
+	return tegra_power_domain_tree_desc;
+}
+
+/*
+ * Table of regions to map using the MMU.
+ */
+static const mmap_region_t tegra_mmap[] = {
+	MAP_REGION_FLAT(TEGRA_MISC_BASE, 0x4000U, /* 16KB */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_GPCDMA_BASE, 0x10000U, /* 64KB */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_MC_STREAMID_BASE, 0x8000U, /* 32KB */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_MC_BASE, 0x8000U, /* 32KB */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+#if !ENABLE_CONSOLE_SPE
+	MAP_REGION_FLAT(TEGRA_UARTA_BASE, 0x20000U, /* 128KB - UART A, B*/
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_UARTC_BASE, 0x20000U, /* 128KB - UART C, G */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_UARTD_BASE, 0x30000U, /* 192KB - UART D, E, F */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+#endif
+	MAP_REGION_FLAT(TEGRA_XUSB_PADCTL_BASE, 0x2000U, /* 8KB */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_GICD_BASE, 0x1000, /* 4KB */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_GICC_BASE, 0x1000, /* 4KB */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_SE0_BASE, 0x1000U, /* 4KB */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_PKA1_BASE, 0x1000U, /* 4KB */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_RNG1_BASE, 0x1000U, /* 4KB */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_HSP_DBELL_BASE, 0x1000U, /* 4KB */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+#if ENABLE_CONSOLE_SPE
+	MAP_REGION_FLAT(TEGRA_CONSOLE_SPE_BASE, 0x1000U, /* 4KB */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+#endif
+	MAP_REGION_FLAT(TEGRA_TMRUS_BASE, TEGRA_TMRUS_SIZE, /* 4KB */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_SCRATCH_BASE, 0x1000U, /* 4KB */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_SMMU2_BASE, 0x800000U, /* 8MB */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_SMMU1_BASE, 0x800000U, /* 8MB */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_SMMU0_BASE, 0x800000U, /* 8MB */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_BPMP_IPC_TX_PHYS_BASE, 0x10000U, /* 64KB */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+	MAP_REGION_FLAT(TEGRA_CAR_RESET_BASE, 0x10000U, /* 64KB */
+			(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
+	{0}
+};
+
+/*******************************************************************************
+ * Set up the pagetables as per the platform memory map & initialize the MMU
+ ******************************************************************************/
+const mmap_region_t *plat_get_mmio_map(void)
+{
+	/* MMIO space */
+	return tegra_mmap;
+}
+
+/*******************************************************************************
+ * Handler to get the System Counter Frequency
+ ******************************************************************************/
+uint32_t plat_get_syscnt_freq2(void)
+{
+	return 31250000;
+}
+
+#if !ENABLE_CONSOLE_SPE
+/*******************************************************************************
+ * Maximum supported UART controllers
+ ******************************************************************************/
+#define TEGRA194_MAX_UART_PORTS		7
+
+/*******************************************************************************
+ * This variable holds the UART port base addresses
+ ******************************************************************************/
+static uint32_t tegra194_uart_addresses[TEGRA194_MAX_UART_PORTS + 1] = {
+	0,	/* undefined - treated as an error case */
+	TEGRA_UARTA_BASE,
+	TEGRA_UARTB_BASE,
+	TEGRA_UARTC_BASE,
+	TEGRA_UARTD_BASE,
+	TEGRA_UARTE_BASE,
+	TEGRA_UARTF_BASE,
+	TEGRA_UARTG_BASE
+};
+#endif
+
+/*******************************************************************************
+ * Enable console corresponding to the console ID
+ ******************************************************************************/
+void plat_enable_console(int32_t id)
+{
+	uint32_t console_clock = 0U;
+
+#if ENABLE_CONSOLE_SPE
+	static console_t spe_console;
+
+	if (id == TEGRA_CONSOLE_SPE_ID) {
+		(void)console_spe_register(TEGRA_CONSOLE_SPE_BASE,
+					   console_clock,
+					   TEGRA_CONSOLE_BAUDRATE,
+					   &spe_console);
+		console_set_scope(&spe_console, CONSOLE_FLAG_BOOT |
+			CONSOLE_FLAG_RUNTIME | CONSOLE_FLAG_CRASH);
+	}
+#else
+	static console_t uart_console;
+
+	if ((id > 0) && (id < TEGRA194_MAX_UART_PORTS)) {
+		/*
+		 * Reference clock used by the FPGAs is a lot slower.
+		 */
+		if (tegra_platform_is_fpga()) {
+			console_clock = TEGRA_BOOT_UART_CLK_13_MHZ;
+		} else {
+			console_clock = TEGRA_BOOT_UART_CLK_408_MHZ;
+		}
+
+		(void)console_16550_register(tegra194_uart_addresses[id],
+					     console_clock,
+					     TEGRA_CONSOLE_BAUDRATE,
+					     &uart_console);
+		console_set_scope(&uart_console, CONSOLE_FLAG_BOOT |
+			CONSOLE_FLAG_RUNTIME | CONSOLE_FLAG_CRASH);
+	}
+#endif
+}
+
+/*******************************************************************************
+ * Verify SCR settings
+ ******************************************************************************/
+static inline bool tegra194_is_scr_valid(void)
+{
+	uint32_t scr_val;
+	bool ret = true;
+
+	for (uint8_t i = 0U; i < ARRAY_SIZE(t194_scr_settings); i++) {
+		scr_val = mmio_read_32((uintptr_t)t194_scr_settings[i].scr_addr);
+		if (scr_val != t194_scr_settings[i].scr_val) {
+			ERROR("Mismatch at SCR addr = 0x%x\n", t194_scr_settings[i].scr_addr);
+			ret = false;
+		}
+	}
+	return ret;
+}
+
+/*******************************************************************************
+ * Handler for early platform setup
+ ******************************************************************************/
+void plat_early_platform_setup(void)
+{
+	const plat_params_from_bl2_t *params_from_bl2 = bl31_get_plat_params();
+	uint8_t enable_ccplex_lock_step = params_from_bl2->enable_ccplex_lock_step;
+	uint64_t actlr_elx;
+
+	/* Verify chip id is t194 */
+	assert(tegra_chipid_is_t194());
+
+	/* Verify SCR settings */
+	if (tegra_platform_is_silicon()) {
+		assert(tegra194_is_scr_valid());
+	}
+
+	/* sanity check MCE firmware compatibility */
+	mce_verify_firmware_version();
+
+#if RAS_EXTENSION
+	/* Enable Uncorrectable RAS error */
+	tegra194_ras_enable();
+#endif
+
+	/*
+	 * Program XUSB STREAMIDs
+	 * ======================
+	 * T19x XUSB has support for XUSB virtualization. It will have one
+	 * physical function (PF) and four Virtual function (VF)
+	 *
+	 * There were below two SIDs for XUSB until T186.
+	 * 1) #define TEGRA_SID_XUSB_HOST    0x1bU
+	 * 2) #define TEGRA_SID_XUSB_DEV    0x1cU
+	 *
+	 * We have below four new SIDs added for VF(s)
+	 * 3) #define TEGRA_SID_XUSB_VF0    0x5dU
+	 * 4) #define TEGRA_SID_XUSB_VF1    0x5eU
+	 * 5) #define TEGRA_SID_XUSB_VF2    0x5fU
+	 * 6) #define TEGRA_SID_XUSB_VF3    0x60U
+	 *
+	 * When virtualization is enabled then we have to disable SID override
+	 * and program above SIDs in below newly added SID registers in XUSB
+	 * PADCTL MMIO space. These registers are TZ protected and so need to
+	 * be done in ATF.
+	 * a) #define XUSB_PADCTL_HOST_AXI_STREAMID_PF_0 (0x136cU)
+	 * b) #define XUSB_PADCTL_DEV_AXI_STREAMID_PF_0  (0x139cU)
+	 * c) #define XUSB_PADCTL_HOST_AXI_STREAMID_VF_0 (0x1370U)
+	 * d) #define XUSB_PADCTL_HOST_AXI_STREAMID_VF_1 (0x1374U)
+	 * e) #define XUSB_PADCTL_HOST_AXI_STREAMID_VF_2 (0x1378U)
+	 * f) #define XUSB_PADCTL_HOST_AXI_STREAMID_VF_3 (0x137cU)
+	 *
+	 * This change disables SID override and programs XUSB SIDs in
+	 * above registers to support both virtualization and
+	 * non-virtualization platforms
+	 */
+	if (tegra_platform_is_silicon() || tegra_platform_is_fpga()) {
+
+		mmio_write_32(TEGRA_XUSB_PADCTL_BASE +
+			XUSB_PADCTL_HOST_AXI_STREAMID_PF_0, TEGRA_SID_XUSB_HOST);
+		assert(mmio_read_32(TEGRA_XUSB_PADCTL_BASE +
+			XUSB_PADCTL_HOST_AXI_STREAMID_PF_0) == TEGRA_SID_XUSB_HOST);
+		mmio_write_32(TEGRA_XUSB_PADCTL_BASE +
+			XUSB_PADCTL_HOST_AXI_STREAMID_VF_0, TEGRA_SID_XUSB_VF0);
+		assert(mmio_read_32(TEGRA_XUSB_PADCTL_BASE +
+			XUSB_PADCTL_HOST_AXI_STREAMID_VF_0) == TEGRA_SID_XUSB_VF0);
+		mmio_write_32(TEGRA_XUSB_PADCTL_BASE +
+			XUSB_PADCTL_HOST_AXI_STREAMID_VF_1, TEGRA_SID_XUSB_VF1);
+		assert(mmio_read_32(TEGRA_XUSB_PADCTL_BASE +
+			XUSB_PADCTL_HOST_AXI_STREAMID_VF_1) == TEGRA_SID_XUSB_VF1);
+		mmio_write_32(TEGRA_XUSB_PADCTL_BASE +
+			XUSB_PADCTL_HOST_AXI_STREAMID_VF_2, TEGRA_SID_XUSB_VF2);
+		assert(mmio_read_32(TEGRA_XUSB_PADCTL_BASE +
+			XUSB_PADCTL_HOST_AXI_STREAMID_VF_2) == TEGRA_SID_XUSB_VF2);
+		mmio_write_32(TEGRA_XUSB_PADCTL_BASE +
+			XUSB_PADCTL_HOST_AXI_STREAMID_VF_3, TEGRA_SID_XUSB_VF3);
+		assert(mmio_read_32(TEGRA_XUSB_PADCTL_BASE +
+			XUSB_PADCTL_HOST_AXI_STREAMID_VF_3) == TEGRA_SID_XUSB_VF3);
+		mmio_write_32(TEGRA_XUSB_PADCTL_BASE +
+			XUSB_PADCTL_DEV_AXI_STREAMID_PF_0, TEGRA_SID_XUSB_DEV);
+		assert(mmio_read_32(TEGRA_XUSB_PADCTL_BASE +
+			XUSB_PADCTL_DEV_AXI_STREAMID_PF_0) == TEGRA_SID_XUSB_DEV);
+	}
+
+	/*
+	 * Enable dual execution optimized translations for all ELx.
+	 */
+	if (enable_ccplex_lock_step != 0U) {
+		actlr_elx = read_actlr_el3();
+		actlr_elx |= DENVER_CPU_ENABLE_DUAL_EXEC_EL3;
+		write_actlr_el3(actlr_elx);
+		/* check if the bit is actually set */
+		assert((read_actlr_el3() & DENVER_CPU_ENABLE_DUAL_EXEC_EL3) != 0ULL);
+
+		actlr_elx = read_actlr_el2();
+		actlr_elx |= DENVER_CPU_ENABLE_DUAL_EXEC_EL2;
+		write_actlr_el2(actlr_elx);
+		/* check if the bit is actually set */
+		assert((read_actlr_el2() & DENVER_CPU_ENABLE_DUAL_EXEC_EL2) != 0ULL);
+
+		actlr_elx = read_actlr_el1();
+		actlr_elx |= DENVER_CPU_ENABLE_DUAL_EXEC_EL1;
+		write_actlr_el1(actlr_elx);
+		/* check if the bit is actually set */
+		assert((read_actlr_el1() & DENVER_CPU_ENABLE_DUAL_EXEC_EL1) != 0ULL);
+	}
+}
+
+/* Secure IRQs for Tegra194 */
+static const interrupt_prop_t tegra194_interrupt_props[] = {
+	INTR_PROP_DESC(TEGRA_SDEI_SGI_PRIVATE, PLAT_SDEI_CRITICAL_PRI,
+			GICV2_INTR_GROUP0, GIC_INTR_CFG_EDGE),
+	INTR_PROP_DESC(TEGRA194_TOP_WDT_IRQ, PLAT_TEGRA_WDT_PRIO,
+			GICV2_INTR_GROUP0, GIC_INTR_CFG_EDGE)
+};
+
+/*******************************************************************************
+ * Initialize the GIC and SGIs
+ ******************************************************************************/
+void plat_gic_setup(void)
+{
+	tegra_gic_setup(tegra194_interrupt_props, ARRAY_SIZE(tegra194_interrupt_props));
+	tegra_gic_init();
+
+	/*
+	 * Initialize the FIQ handler
+	 */
+	tegra_fiq_handler_setup();
+}
+
+/*******************************************************************************
+ * Return pointer to the BL31 params from previous bootloader
+ ******************************************************************************/
+struct tegra_bl31_params *plat_get_bl31_params(void)
+{
+	uint64_t val;
+
+	val = (mmio_read_32(TEGRA_SCRATCH_BASE + SCRATCH_BL31_PARAMS_HI_ADDR) &
+		SCRATCH_BL31_PARAMS_HI_ADDR_MASK) >> SCRATCH_BL31_PARAMS_HI_ADDR_SHIFT;
+	val <<= 32;
+	val |= mmio_read_32(TEGRA_SCRATCH_BASE + SCRATCH_BL31_PARAMS_LO_ADDR);
+
+	return (struct tegra_bl31_params *)(uintptr_t)val;
+}
+
+/*******************************************************************************
+ * Return pointer to the BL31 platform params from previous bootloader
+ ******************************************************************************/
+plat_params_from_bl2_t *plat_get_bl31_plat_params(void)
+{
+	uint64_t val;
+
+	val = (mmio_read_32(TEGRA_SCRATCH_BASE + SCRATCH_BL31_PLAT_PARAMS_HI_ADDR) &
+		SCRATCH_BL31_PLAT_PARAMS_HI_ADDR_MASK) >> SCRATCH_BL31_PLAT_PARAMS_HI_ADDR_SHIFT;
+	val <<= 32;
+	val |= mmio_read_32(TEGRA_SCRATCH_BASE + SCRATCH_BL31_PLAT_PARAMS_LO_ADDR);
+
+	return (plat_params_from_bl2_t *)(uintptr_t)val;
+}
+
+/*******************************************************************************
+ * Handler for late platform setup
+ ******************************************************************************/
+void plat_late_platform_setup(void)
+{
+#if ENABLE_STRICT_CHECKING_MODE
+	/*
+	 * Enable strict checking after programming the GSC for
+	 * enabling TZSRAM and TZDRAM
+	 */
+	mce_enable_strict_checking();
+	mce_verify_strict_checking();
+#endif
+}
+
+/*******************************************************************************
+ * Handler to indicate support for System Suspend
+ ******************************************************************************/
+bool plat_supports_system_suspend(void)
+{
+	return true;
+}
+
+/*******************************************************************************
+ * Platform specific runtime setup.
+ ******************************************************************************/
+void plat_runtime_setup(void)
+{
+	/*
+	 * During cold boot, it is observed that the arbitration
+	 * bit is set in the Memory controller leading to false
+	 * error interrupts in the non-secure world. To avoid
+	 * this, clean the interrupt status register before
+	 * booting into the non-secure world
+	 */
+	tegra_memctrl_clear_pending_interrupts();
+
+	/*
+	 * During boot, USB3 and flash media (SDMMC/SATA) devices need
+	 * access to IRAM. Because these clients connect to the MC and
+	 * do not have a direct path to the IRAM, the MC implements AHB
+	 * redirection during boot to allow path to IRAM. In this mode
+	 * accesses to a programmed memory address aperture are directed
+	 * to the AHB bus, allowing access to the IRAM. This mode must be
+	 * disabled before we jump to the non-secure world.
+	 */
+	tegra_memctrl_disable_ahb_redirection();
+
+	/*
+	 * Verify the integrity of the previously configured SMMU(s) settings
+	 */
+	tegra_smmu_verify();
+}
diff --git a/plat/nvidia/tegra/soc/t194/plat_sip_calls.c b/plat/nvidia/tegra/soc/t194/plat_sip_calls.c
new file mode 100644
index 0000000..1eef559
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t194/plat_sip_calls.c
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <assert.h>
+#include <common/bl_common.h>
+#include <lib/el3_runtime/context_mgmt.h>
+#include <common/debug.h>
+#include <errno.h>
+#include <mce.h>
+#include <mce_private.h>
+#include <memctrl.h>
+#include <common/runtime_svc.h>
+#include <tegra_private.h>
+#include <tegra_platform.h>
+#include <smmu.h>
+#include <stdbool.h>
+
+/*******************************************************************************
+ * Tegra194 SiP SMCs
+ ******************************************************************************/
+#define TEGRA_SIP_GET_SMMU_PER		0xC200FF00U
+#define TEGRA_SIP_CLEAR_RAS_CORRECTED_ERRORS	0xC200FF01U
+
+/*******************************************************************************
+ * This function is responsible for handling all T194 SiP calls
+ ******************************************************************************/
+int32_t plat_sip_handler(uint32_t smc_fid,
+		     uint64_t x1,
+		     uint64_t x2,
+		     uint64_t x3,
+		     uint64_t x4,
+		     const void *cookie,
+		     void *handle,
+		     uint64_t flags)
+{
+	int32_t ret = 0;
+	uint32_t i, smmu_per[6] = {0};
+	uint32_t num_smmu_devices = plat_get_num_smmu_devices();
+	uint64_t per[3] = {0ULL};
+
+	(void)x1;
+	(void)x4;
+	(void)cookie;
+	(void)flags;
+
+	switch (smc_fid) {
+	case TEGRA_SIP_GET_SMMU_PER:
+
+		/* make sure we dont go past the array length */
+		assert(num_smmu_devices <= ARRAY_SIZE(smmu_per));
+
+		/* read all supported SMMU_PER records */
+		for (i = 0U; i < num_smmu_devices; i++) {
+			smmu_per[i] = tegra_smmu_read_32(i, SMMU_GSR0_PER);
+		}
+
+		/* pack results into 3 64bit variables. */
+		per[0] = smmu_per[0] | ((uint64_t)smmu_per[1] << 32U);
+		per[1] = smmu_per[2] | ((uint64_t)smmu_per[3] << 32U);
+		per[2] = smmu_per[4] | ((uint64_t)smmu_per[5] << 32U);
+
+		/* provide the results via X1-X3 CPU registers */
+		write_ctx_reg(get_gpregs_ctx(handle), CTX_GPREG_X1, per[0]);
+		write_ctx_reg(get_gpregs_ctx(handle), CTX_GPREG_X2, per[1]);
+		write_ctx_reg(get_gpregs_ctx(handle), CTX_GPREG_X3, per[2]);
+
+		break;
+
+#if RAS_EXTENSION
+	case TEGRA_SIP_CLEAR_RAS_CORRECTED_ERRORS:
+	{
+		/*
+		 * clear all RAS error records for corrected errors at first.
+		 * x1 shall be 0 for first SMC call after FHI is asserted.
+		 * */
+		uint64_t local_x1 = x1;
+
+		tegra194_ras_corrected_err_clear(&local_x1);
+		if (local_x1 == 0ULL) {
+			/* clear HSM corrected error status after all corrected
+			 * RAS errors are cleared.
+			 */
+			mce_clear_hsm_corr_status();
+		}
+
+		write_ctx_reg(get_gpregs_ctx(handle), CTX_GPREG_X1, local_x1);
+
+		break;
+	}
+#endif
+
+	default:
+		ret = -ENOTSUP;
+		break;
+	}
+
+	return ret;
+}
diff --git a/plat/nvidia/tegra/soc/t194/plat_smmu.c b/plat/nvidia/tegra/soc/t194/plat_smmu.c
new file mode 100644
index 0000000..310e951
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t194/plat_smmu.c
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <smmu.h>
+#include <tegra_def.h>
+
+#define BOARD_SYSTEM_FPGA_BASE		U(1)
+#define BASE_CONFIG_SMMU_DEVICES	U(2)
+#define MAX_NUM_SMMU_DEVICES		U(3)
+
+static uint32_t tegra_misc_read_32(uint32_t off)
+{
+	return mmio_read_32((uintptr_t)TEGRA_MISC_BASE + off);
+}
+
+/*******************************************************************************
+ * Handler to return the support SMMU devices number
+ ******************************************************************************/
+uint32_t plat_get_num_smmu_devices(void)
+{
+	uint32_t ret_num = MAX_NUM_SMMU_DEVICES;
+	uint32_t board_revid = ((tegra_misc_read_32(MISCREG_EMU_REVID) >> \
+							BOARD_SHIFT_BITS) & BOARD_MASK_BITS);
+
+	if (board_revid == BOARD_SYSTEM_FPGA_BASE) {
+		ret_num = BASE_CONFIG_SMMU_DEVICES;
+	}
+
+	return ret_num;
+}
diff --git a/plat/nvidia/tegra/soc/t194/plat_trampoline.S b/plat/nvidia/tegra/soc/t194/plat_trampoline.S
new file mode 100644
index 0000000..0ff5407
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t194/plat_trampoline.S
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <plat/common/common_def.h>
+#include <memctrl_v2.h>
+#include <tegra_def.h>
+
+#define TEGRA194_STATE_SYSTEM_SUSPEND	0x5C7
+#define TEGRA194_STATE_SYSTEM_RESUME	0x600D
+#define TEGRA194_MC_CTX_SIZE		0xFB
+
+	.align 4
+	.globl	tegra194_cpu_reset_handler
+
+/* CPU reset handler routine */
+func tegra194_cpu_reset_handler
+	/* check if we are exiting system suspend state */
+	adr	x0, __tegra194_system_suspend_state
+	ldr	x1, [x0]
+	mov	x2, #TEGRA194_STATE_SYSTEM_SUSPEND
+	lsl	x2, x2, #16
+	add	x2, x2, #TEGRA194_STATE_SYSTEM_SUSPEND
+	cmp	x1, x2
+	bne	boot_cpu
+
+	/* set system resume state */
+	mov	x1, #TEGRA194_STATE_SYSTEM_RESUME
+	lsl	x1, x1, #16
+	mov	x2, #TEGRA194_STATE_SYSTEM_RESUME
+	add	x1, x1, x2
+	str	x1, [x0]
+	dsb	sy
+
+	/* prepare to relocate to TZSRAM */
+	mov	x0, #BL31_BASE
+	adr	x1, __tegra194_cpu_reset_handler_end
+	adr	x2, __tegra194_cpu_reset_handler_data
+	ldr	x2, [x2, #8]
+
+	/* memcpy16 */
+m_loop16:
+	cmp	x2, #16
+	b.lt	m_loop1
+	ldp	x3, x4, [x1], #16
+	stp	x3, x4, [x0], #16
+	sub	x2, x2, #16
+	b	m_loop16
+	/* copy byte per byte */
+m_loop1:
+	cbz	x2, boot_cpu
+	ldrb	w3, [x1], #1
+	strb	w3, [x0], #1
+	subs	x2, x2, #1
+	b.ne	m_loop1
+
+	/*
+	 * Synchronization barriers to make sure that memory is flushed out
+	 * before we start execution in SysRAM.
+	 */
+	dsb	sy
+	isb
+
+boot_cpu:
+	adr	x0, __tegra194_cpu_reset_handler_data
+	ldr	x0, [x0]
+	br	x0
+endfunc tegra194_cpu_reset_handler
+
+	/*
+	 * Tegra194 reset data (offset 0x0 - 0x2490)
+	 *
+	 * 0x0000: secure world's entrypoint
+	 * 0x0008: BL31 size (RO + RW)
+	 * 0x0010: MC context start
+	 * 0x2490: MC context end
+	 */
+
+	.align 4
+	.type	__tegra194_cpu_reset_handler_data, %object
+	.globl	__tegra194_cpu_reset_handler_data
+__tegra194_cpu_reset_handler_data:
+	.quad	tegra_secure_entrypoint
+	.quad	__BL31_END__ - BL31_BASE
+	.globl	__tegra194_system_suspend_state
+__tegra194_system_suspend_state:
+	.quad	0
+
+	.align 4
+__tegra194_mc_context:
+	.rept	TEGRA194_MC_CTX_SIZE
+	.quad	0
+	.endr
+	.size	__tegra194_cpu_reset_handler_data, \
+		. - __tegra194_cpu_reset_handler_data
+
+	.align 4
+	.globl	__tegra194_cpu_reset_handler_end
+__tegra194_cpu_reset_handler_end:
+
+	.globl tegra194_get_cpu_reset_handler_size
+	.globl tegra194_get_cpu_reset_handler_base
+	.globl tegra194_get_mc_ctx_offset
+	.globl tegra194_set_system_suspend_entry
+
+/* return size of the CPU reset handler */
+func tegra194_get_cpu_reset_handler_size
+	adr	x0, __tegra194_cpu_reset_handler_end
+	adr	x1, tegra194_cpu_reset_handler
+	sub	x0, x0, x1
+	ret
+endfunc tegra194_get_cpu_reset_handler_size
+
+/* return the start address of the CPU reset handler */
+func tegra194_get_cpu_reset_handler_base
+	adr	x0, tegra194_cpu_reset_handler
+	ret
+endfunc tegra194_get_cpu_reset_handler_base
+
+/* return the size of the MC context */
+func tegra194_get_mc_ctx_offset
+	adr	x0, __tegra194_mc_context
+	adr	x1, tegra194_cpu_reset_handler
+	sub	x0, x0, x1
+	ret
+endfunc tegra194_get_mc_ctx_offset
+
+/* set system suspend state before SC7 entry */
+func tegra194_set_system_suspend_entry
+	mov	x0, #TEGRA_MC_BASE
+	mov	x3, #MC_SECURITY_CFG3_0
+	ldr	w1, [x0, x3]
+	lsl	x1, x1, #32
+	mov	x3, #MC_SECURITY_CFG0_0
+	ldr	w2, [x0, x3]
+	orr	x3, x1, x2			/* TZDRAM base */
+	adr	x0, __tegra194_system_suspend_state
+	adr	x1, tegra194_cpu_reset_handler
+	sub	x2, x0, x1			/* offset in TZDRAM */
+	mov	x0, #TEGRA194_STATE_SYSTEM_SUSPEND
+	lsl	x0, x0, #16
+	add	x0, x0, #TEGRA194_STATE_SYSTEM_SUSPEND
+	str	x0, [x3, x2]			/* set value in TZDRAM */
+	dsb	sy
+	ret
+endfunc tegra194_set_system_suspend_entry
diff --git a/plat/nvidia/tegra/soc/t194/platform_t194.mk b/plat/nvidia/tegra/soc/t194/platform_t194.mk
new file mode 100644
index 0000000..631c926
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t194/platform_t194.mk
@@ -0,0 +1,85 @@
+#
+# Copyright (c) 2019-2021, NVIDIA CORPORATION. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+include common/fdt_wrappers.mk
+
+# platform configs
+ENABLE_CONSOLE_SPE			:= 1
+$(eval $(call add_define,ENABLE_CONSOLE_SPE))
+
+ENABLE_STRICT_CHECKING_MODE		:= 1
+$(eval $(call add_define,ENABLE_STRICT_CHECKING_MODE))
+
+USE_GPC_DMA				:= 1
+$(eval $(call add_define,USE_GPC_DMA))
+
+RESET_TO_BL31				:= 1
+
+PROGRAMMABLE_RESET_ADDRESS		:= 1
+
+COLD_BOOT_SINGLE_CPU			:= 1
+
+# platform settings
+TZDRAM_BASE				:= 0x40000000
+$(eval $(call add_define,TZDRAM_BASE))
+
+MAX_XLAT_TABLES				:= 25
+$(eval $(call add_define,MAX_XLAT_TABLES))
+
+MAX_MMAP_REGIONS			:= 30
+$(eval $(call add_define,MAX_MMAP_REGIONS))
+
+# enable RAS handling
+HANDLE_EA_EL3_FIRST_NS			:= 1
+RAS_EXTENSION				:= 1
+
+# platform files
+PLAT_INCLUDES		+=	-Iplat/nvidia/tegra/include/t194 \
+				-I${SOC_DIR}/drivers/include
+
+BL31_SOURCES		+=	${TEGRA_GICv2_SOURCES}			\
+				drivers/ti/uart/aarch64/16550_console.S \
+				lib/cpus/aarch64/denver.S		\
+				${TEGRA_DRIVERS}/bpmp_ipc/intf.c	\
+				${TEGRA_DRIVERS}/bpmp_ipc/ivc.c		\
+				${TEGRA_DRIVERS}/memctrl/memctrl_v2.c	\
+				${TEGRA_DRIVERS}/smmu/smmu.c		\
+				${SOC_DIR}/drivers/mce/mce.c		\
+				${SOC_DIR}/drivers/mce/nvg.c		\
+				${SOC_DIR}/drivers/mce/aarch64/nvg_helpers.S \
+				${SOC_DIR}/drivers/se/se.c		\
+				${SOC_DIR}/plat_memctrl.c		\
+				${SOC_DIR}/plat_psci_handlers.c		\
+				${SOC_DIR}/plat_setup.c			\
+				${SOC_DIR}/plat_secondary.c		\
+				${SOC_DIR}/plat_sip_calls.c		\
+				${SOC_DIR}/plat_smmu.c			\
+				${SOC_DIR}/plat_trampoline.S
+
+ifeq (${USE_GPC_DMA}, 1)
+BL31_SOURCES		+=	${TEGRA_DRIVERS}/gpcdma/gpcdma.c
+endif
+
+ifeq (${ENABLE_CONSOLE_SPE},1)
+BL31_SOURCES		+=	${TEGRA_DRIVERS}/spe/shared_console.S
+endif
+
+# RAS sources
+ifeq (${RAS_EXTENSION},1)
+BL31_SOURCES		+=	lib/extensions/ras/std_err_record.c		\
+				lib/extensions/ras/ras_common.c			\
+				${SOC_DIR}/plat_ras.c
+endif
+
+# SPM dispatcher
+ifeq (${SPD},spmd)
+include lib/libfdt/libfdt.mk
+# sources to support spmd
+BL31_SOURCES		+=	plat/common/plat_spmd_manifest.c	\
+				${LIBFDT_SRCS}
+
+BL31_SOURCES		+=	${FDT_WRAPPERS_SOURCES}
+endif
diff --git a/plat/nvidia/tegra/soc/t210/drivers/se/se_private.h b/plat/nvidia/tegra/soc/t210/drivers/se/se_private.h
new file mode 100644
index 0000000..c44b0fc
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t210/drivers/se/se_private.h
@@ -0,0 +1,663 @@
+/*
+ * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2020, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SE_PRIVATE_H
+#define SE_PRIVATE_H
+
+#include <stdbool.h>
+#include <security_engine.h>
+
+/*
+ * PMC registers
+ */
+
+/* SC7 context save scratch register for T210 */
+#define PMC_SCRATCH43_REG_OFFSET		U(0x22C)
+
+/* Secure scratch registers */
+#define PMC_SECURE_SCRATCH4_OFFSET		0xC0U
+#define PMC_SECURE_SCRATCH5_OFFSET		0xC4U
+#define PMC_SECURE_SCRATCH6_OFFSET		0x224U
+#define PMC_SECURE_SCRATCH7_OFFSET		0x228U
+#define PMC_SECURE_SCRATCH116_OFFSET		0xB28U
+#define PMC_SECURE_SCRATCH117_OFFSET		0xB2CU
+#define PMC_SECURE_SCRATCH120_OFFSET		0xB38U
+#define PMC_SECURE_SCRATCH121_OFFSET		0xB3CU
+#define PMC_SECURE_SCRATCH122_OFFSET		0xB40U
+#define PMC_SECURE_SCRATCH123_OFFSET		0xB44U
+
+/*
+ * AHB arbitration memory write queue
+ */
+#define ARAHB_MEM_WRQUE_MST_ID_OFFSET		0xFCU
+#define ARAHB_MST_ID_SE2_MASK			(0x1U << 13)
+#define ARAHB_MST_ID_SE_MASK			(0x1U << 14)
+
+/**
+ * SE registers
+ */
+#define TEGRA_SE_AES_KEYSLOT_COUNT		16
+#define SE_MAX_LAST_BLOCK_SIZE			0xFFFFF
+
+/* SE Status register */
+#define SE_STATUS_OFFSET			0x800U
+#define SE_STATUS_SHIFT				0
+#define SE_STATUS_IDLE	\
+		((0U) << SE_STATUS_SHIFT)
+#define SE_STATUS_BUSY	\
+		((1U) << SE_STATUS_SHIFT)
+#define SE_STATUS(x)	\
+		((x) & ((0x3U) << SE_STATUS_SHIFT))
+
+#define SE_MEM_INTERFACE_SHIFT			2
+#define SE_MEM_INTERFACE_IDLE			0
+#define SE_MEM_INTERFACE_BUSY			1
+#define SE_MEM_INTERFACE(x)	((x) << SE_STATUS_SHIFT)
+
+/* SE register definitions */
+#define SE_SECURITY_REG_OFFSET			0x0
+#define SE_SECURITY_TZ_LOCK_SOFT_SHIFT		5
+#define SE_SECURE				0x0
+#define SE_SECURITY_TZ_LOCK_SOFT(x)	((x) << SE_SECURITY_TZ_LOCK_SOFT_SHIFT)
+
+#define SE_SEC_ENG_DIS_SHIFT			1
+#define SE_DISABLE_FALSE			0
+#define SE_DISABLE_TRUE				1
+#define SE_SEC_ENG_DISABLE(x)((x) << SE_SEC_ENG_DIS_SHIFT)
+
+/* SE config register */
+#define SE_CONFIG_REG_OFFSET			0x14U
+#define SE_CONFIG_ENC_ALG_SHIFT 		12
+#define SE_CONFIG_ENC_ALG_AES_ENC	\
+		((1U) << SE_CONFIG_ENC_ALG_SHIFT)
+#define SE_CONFIG_ENC_ALG_RNG	\
+		((2U) << SE_CONFIG_ENC_ALG_SHIFT)
+#define SE_CONFIG_ENC_ALG_SHA	\
+		((3U) << SE_CONFIG_ENC_ALG_SHIFT)
+#define SE_CONFIG_ENC_ALG_RSA	\
+		((4U) << SE_CONFIG_ENC_ALG_SHIFT)
+#define SE_CONFIG_ENC_ALG_NOP	\
+		((0U) << SE_CONFIG_ENC_ALG_SHIFT)
+#define SE_CONFIG_ENC_ALG(x)	\
+		((x) & ((0xFU) << SE_CONFIG_ENC_ALG_SHIFT))
+
+#define SE_CONFIG_DEC_ALG_SHIFT 		8
+#define SE_CONFIG_DEC_ALG_AES	\
+		((1U) << SE_CONFIG_DEC_ALG_SHIFT)
+#define SE_CONFIG_DEC_ALG_NOP	\
+		((0U) << SE_CONFIG_DEC_ALG_SHIFT)
+#define SE_CONFIG_DEC_ALG(x)	\
+		((x) & ((0xFU) << SE_CONFIG_DEC_ALG_SHIFT))
+
+#define SE_CONFIG_DST_SHIFT	 		2
+#define SE_CONFIG_DST_MEMORY	\
+		((0U) << SE_CONFIG_DST_SHIFT)
+#define SE_CONFIG_DST_HASHREG	\
+		((1U) << SE_CONFIG_DST_SHIFT)
+#define SE_CONFIG_DST_KEYTAB	\
+		((2U) << SE_CONFIG_DST_SHIFT)
+#define SE_CONFIG_DST_SRK	\
+		((3U) << SE_CONFIG_DST_SHIFT)
+#define SE_CONFIG_DST_RSAREG	\
+		((4U) << SE_CONFIG_DST_SHIFT)
+#define SE_CONFIG_DST(x)	\
+		((x) & ((0x7U) << SE_CONFIG_DST_SHIFT))
+
+#define SE_CONFIG_ENC_MODE_SHIFT		24
+#define SE_CONFIG_ENC_MODE_KEY128	\
+			((0UL) << SE_CONFIG_ENC_MODE_SHIFT)
+#define SE_CONFIG_ENC_MODE_KEY192	\
+			((1UL) << SE_CONFIG_ENC_MODE_SHIFT)
+#define SE_CONFIG_ENC_MODE_KEY256	\
+			((2UL) << SE_CONFIG_ENC_MODE_SHIFT)
+#define SE_CONFIG_ENC_MODE_SHA1				\
+			((0UL) << SE_CONFIG_ENC_MODE_SHIFT)
+#define SE_CONFIG_ENC_MODE_SHA224	\
+			((4UL) << SE_CONFIG_ENC_MODE_SHIFT)
+#define SE_CONFIG_ENC_MODE_SHA256	\
+			((5UL) << SE_CONFIG_ENC_MODE_SHIFT)
+#define SE_CONFIG_ENC_MODE_SHA384	\
+			((6UL) << SE_CONFIG_ENC_MODE_SHIFT)
+#define SE_CONFIG_ENC_MODE_SHA512	\
+			((7UL) << SE_CONFIG_ENC_MODE_SHIFT)
+#define SE_CONFIG_ENC_MODE(x)\
+			((x) & ((0xFFUL) << SE_CONFIG_ENC_MODE_SHIFT))
+
+#define SE_CONFIG_DEC_MODE_SHIFT		16
+#define SE_CONFIG_DEC_MODE_KEY128	\
+			((0UL) << SE_CONFIG_DEC_MODE_SHIFT)
+#define SE_CONFIG_DEC_MODE_KEY192	\
+			((1UL) << SE_CONFIG_DEC_MODE_SHIFT)
+#define SE_CONFIG_DEC_MODE_KEY256	\
+			((2UL) << SE_CONFIG_DEC_MODE_SHIFT)
+#define SE_CONFIG_DEC_MODE_SHA1				\
+			((0UL) << SE_CONFIG_DEC_MODE_SHIFT)
+#define SE_CONFIG_DEC_MODE_SHA224	\
+			((4UL) << SE_CONFIG_DEC_MODE_SHIFT)
+#define SE_CONFIG_DEC_MODE_SHA256	\
+			((5UL) << SE_CONFIG_DEC_MODE_SHIFT)
+#define SE_CONFIG_DEC_MODE_SHA384	\
+			((6UL) << SE_CONFIG_DEC_MODE_SHIFT)
+#define SE_CONFIG_DEC_MODE_SHA512	\
+			((7UL) << SE_CONFIG_DEC_MODE_SHIFT)
+#define SE_CONFIG_DEC_MODE(x)\
+			((x) & ((0xFFUL) << SE_CONFIG_DEC_MODE_SHIFT))
+
+
+/* DRBG random number generator config */
+#define SE_RNG_CONFIG_REG_OFFSET		0x340
+
+#define DRBG_MODE_SHIFT				0
+#define DRBG_MODE_NORMAL		\
+		((0U) << DRBG_MODE_SHIFT)
+#define DRBG_MODE_FORCE_INSTANTION  \
+		((1U) << DRBG_MODE_SHIFT)
+#define DRBG_MODE_FORCE_RESEED	  \
+		((2U) << DRBG_MODE_SHIFT)
+#define SE_RNG_CONFIG_MODE(x)   \
+		((x) & ((0x3U) << DRBG_MODE_SHIFT))
+
+#define DRBG_SRC_SHIFT				2
+#define DRBG_SRC_NONE	   \
+		((0U) << DRBG_SRC_SHIFT)
+#define DRBG_SRC_ENTROPY	\
+		((1U) << DRBG_SRC_SHIFT)
+#define DRBG_SRC_LFSR	   \
+		((2U) << DRBG_SRC_SHIFT)
+#define SE_RNG_SRC_CONFIG_MODE(x)   \
+		((x) & ((0x3U) << DRBG_SRC_SHIFT))
+
+/* DRBG random number generator entropy config */
+
+#define SE_RNG_SRC_CONFIG_REG_OFFSET		0x344U
+
+#define DRBG_RO_ENT_SRC_SHIFT			1
+#define DRBG_RO_ENT_SRC_ENABLE	\
+		((1U) << DRBG_RO_ENT_SRC_SHIFT)
+#define DRBG_RO_ENT_SRC_DISABLE	\
+		((0U) << DRBG_RO_ENT_SRC_SHIFT)
+#define SE_RNG_SRC_CONFIG_RO_ENT_SRC(x)	\
+		((x) & ((0x1U) << DRBG_RO_ENT_SRC_SHIFT))
+
+#define DRBG_RO_ENT_SRC_LOCK_SHIFT		0
+#define DRBG_RO_ENT_SRC_LOCK_ENABLE	\
+		((1U) << DRBG_RO_ENT_SRC_LOCK_SHIFT)
+#define DRBG_RO_ENT_SRC_LOCK_DISABLE	\
+		((0U) << DRBG_RO_ENT_SRC_LOCK_SHIFT)
+#define SE_RNG_SRC_CONFIG_RO_ENT_SRC_LOCK(x)	\
+		((x) & ((0x1U) << DRBG_RO_ENT_SRC_LOCK_SHIFT))
+
+#define DRBG_RO_ENT_IGNORE_MEM_SHIFT		12
+#define DRBG_RO_ENT_IGNORE_MEM_ENABLE	\
+		((1U) << DRBG_RO_ENT_IGNORE_MEM_SHIFT)
+#define DRBG_RO_ENT_IGNORE_MEM_DISABLE	\
+		((0U) << DRBG_RO_ENT_IGNORE_MEM_SHIFT)
+#define SE_RNG_SRC_CONFIG_RO_ENT_IGNORE_MEM(x)	\
+		((x) & ((0x1U) << DRBG_RO_ENT_IGNORE_MEM_SHIFT))
+
+#define SE_RNG_RESEED_INTERVAL_REG_OFFSET	0x348
+
+/* SE CRYPTO */
+#define SE_CRYPTO_REG_OFFSET			0x304
+#define SE_CRYPTO_HASH_SHIFT			0
+#define SE_CRYPTO_HASH_DISABLE	\
+		((0U) << SE_CRYPTO_HASH_SHIFT)
+#define SE_CRYPTO_HASH_ENABLE	\
+		((1U) << SE_CRYPTO_HASH_SHIFT)
+
+#define SE_CRYPTO_XOR_POS_SHIFT			1
+#define SE_CRYPTO_XOR_BYPASS	\
+		((0U) << SE_CRYPTO_XOR_POS_SHIFT)
+#define SE_CRYPTO_XOR_TOP	\
+		((2U) << SE_CRYPTO_XOR_POS_SHIFT)
+#define SE_CRYPTO_XOR_BOTTOM	\
+		((3U) << SE_CRYPTO_XOR_POS_SHIFT)
+
+#define SE_CRYPTO_INPUT_SEL_SHIFT		3
+#define SE_CRYPTO_INPUT_AHB 	\
+		((0U) << SE_CRYPTO_INPUT_SEL_SHIFT)
+#define SE_CRYPTO_INPUT_RANDOM	\
+		((1U) << SE_CRYPTO_INPUT_SEL_SHIFT)
+#define SE_CRYPTO_INPUT_AESOUT	\
+		((2U) << SE_CRYPTO_INPUT_SEL_SHIFT)
+#define SE_CRYPTO_INPUT_LNR_CTR \
+		((3U) << SE_CRYPTO_INPUT_SEL_SHIFT)
+
+#define SE_CRYPTO_VCTRAM_SEL_SHIFT		 5
+#define SE_CRYPTO_VCTRAM_AHB	\
+		((0U) << SE_CRYPTO_VCTRAM_SEL_SHIFT)
+#define SE_CRYPTO_VCTRAM_AESOUT \
+		((2U) << SE_CRYPTO_VCTRAM_SEL_SHIFT)
+#define SE_CRYPTO_VCTRAM_PREVAHB	\
+		((3U) << SE_CRYPTO_VCTRAM_SEL_SHIFT)
+
+#define SE_CRYPTO_IV_SEL_SHIFT			 7
+#define SE_CRYPTO_IV_ORIGINAL	\
+		((0U) << SE_CRYPTO_IV_SEL_SHIFT)
+#define SE_CRYPTO_IV_UPDATED	\
+		((1U) << SE_CRYPTO_IV_SEL_SHIFT)
+
+#define SE_CRYPTO_CORE_SEL_SHIFT		8
+#define SE_CRYPTO_CORE_DECRYPT	\
+		((0U) << SE_CRYPTO_CORE_SEL_SHIFT)
+#define SE_CRYPTO_CORE_ENCRYPT	\
+		((1U) << SE_CRYPTO_CORE_SEL_SHIFT)
+
+#define SE_CRYPTO_KEY_INDEX_SHIFT		24
+#define SE_CRYPTO_KEY_INDEX(x) (x << SE_CRYPTO_KEY_INDEX_SHIFT)
+
+#define SE_CRYPTO_MEMIF_AHB	\
+		((0U) << SE_CRYPTO_MEMIF_SHIFT)
+#define SE_CRYPTO_MEMIF_MCCIF	\
+		((1U) << SE_CRYPTO_MEMIF_SHIFT)
+#define SE_CRYPTO_MEMIF_SHIFT			31
+
+/* KEY TABLE */
+#define SE_KEYTABLE_REG_OFFSET			0x31C
+
+/* KEYIV PKT - key slot */
+#define SE_KEYTABLE_SLOT_SHIFT			4
+#define SE_KEYTABLE_SLOT(x)	(x << SE_KEYTABLE_SLOT_SHIFT)
+
+/* KEYIV PKT - KEYIV select */
+#define SE_KEYIV_PKT_KEYIV_SEL_SHIFT		3
+#define SE_CRYPTO_KEYIV_KEY	\
+		((0U) << SE_KEYIV_PKT_KEYIV_SEL_SHIFT)
+#define SE_CRYPTO_KEYIV_IVS	\
+		((1U) << SE_KEYIV_PKT_KEYIV_SEL_SHIFT)
+
+/* KEYIV PKT - IV select */
+#define SE_KEYIV_PKT_IV_SEL_SHIFT		2
+#define SE_CRYPTO_KEYIV_IVS_OIV	\
+		((0U) << SE_KEYIV_PKT_IV_SEL_SHIFT)
+#define SE_CRYPTO_KEYIV_IVS_UIV \
+		((1U) << SE_KEYIV_PKT_IV_SEL_SHIFT)
+
+/* KEYIV PKT - key word */
+#define SE_KEYIV_PKT_KEY_WORD_SHIFT		0
+#define SE_KEYIV_PKT_KEY_WORD(x)	\
+		((x) << SE_KEYIV_PKT_KEY_WORD_SHIFT)
+
+/* KEYIV PKT - iv word */
+#define SE_KEYIV_PKT_IV_WORD_SHIFT		0
+#define SE_KEYIV_PKT_IV_WORD(x)		\
+		((x) << SE_KEYIV_PKT_IV_WORD_SHIFT)
+
+/* SE OPERATION */
+#define SE_OPERATION_REG_OFFSET 		0x8U
+#define SE_OPERATION_SHIFT			0
+#define SE_OP_ABORT	\
+		((0x0U) << SE_OPERATION_SHIFT)
+#define SE_OP_START	\
+		((0x1U) << SE_OPERATION_SHIFT)
+#define SE_OP_RESTART	\
+		((0x2U) << SE_OPERATION_SHIFT)
+#define SE_OP_CTX_SAVE	\
+		((0x3U) << SE_OPERATION_SHIFT)
+#define SE_OP_RESTART_IN	\
+		((0x4U) << SE_OPERATION_SHIFT)
+#define SE_OPERATION(x)	\
+		((x) & ((0x7U) << SE_OPERATION_SHIFT))
+
+/* SE CONTEXT */
+#define SE_CTX_SAVE_CONFIG_REG_OFFSET		0x70
+#define SE_CTX_SAVE_WORD_QUAD_SHIFT		0
+#define SE_CTX_SAVE_WORD_QUAD(x)	\
+		(x << SE_CTX_SAVE_WORD_QUAD_SHIFT)
+#define SE_CTX_SAVE_WORD_QUAD_KEYS_0_3	\
+		((0U) << SE_CTX_SAVE_WORD_QUAD_SHIFT)
+#define SE_CTX_SAVE_WORD_QUAD_KEYS_4_7	\
+		((1U) << SE_CTX_SAVE_WORD_QUAD_SHIFT)
+#define SE_CTX_SAVE_WORD_QUAD_ORIG_IV	\
+		((2U) << SE_CTX_SAVE_WORD_QUAD_SHIFT)
+#define SE_CTX_SAVE_WORD_QUAD_UPD_IV	\
+		((3U) << SE_CTX_SAVE_WORD_QUAD_SHIFT)
+
+#define SE_CTX_SAVE_KEY_INDEX_SHIFT		8
+#define SE_CTX_SAVE_KEY_INDEX(x)	(x << SE_CTX_SAVE_KEY_INDEX_SHIFT)
+
+#define SE_CTX_SAVE_STICKY_WORD_QUAD_SHIFT	24
+#define SE_CTX_SAVE_STICKY_WORD_QUAD_STICKY_0_3	\
+		((0U) << SE_CTX_SAVE_STICKY_WORD_QUAD_SHIFT)
+#define SE_CTX_SAVE_STICKY_WORD_QUAD_STICKY_4_7	\
+		((1U) << SE_CTX_SAVE_STICKY_WORD_QUAD_SHIFT)
+#define SE_CTX_SAVE_STICKY_WORD_QUAD(x)	\
+		(x << SE_CTX_SAVE_STICKY_WORD_QUAD_SHIFT)
+
+#define SE_CTX_SAVE_SRC_SHIFT			29
+#define SE_CTX_SAVE_SRC_STICKY_BITS	\
+		((0U) << SE_CTX_SAVE_SRC_SHIFT)
+#define SE_CTX_SAVE_SRC_RSA_KEYTABLE	\
+		((1U) << SE_CTX_SAVE_SRC_SHIFT)
+#define SE_CTX_SAVE_SRC_AES_KEYTABLE	\
+		((2U) << SE_CTX_SAVE_SRC_SHIFT)
+#define SE_CTX_SAVE_SRC_PKA1_STICKY_BITS	\
+		((3U) << SE_CTX_SAVE_SRC_SHIFT)
+#define SE_CTX_SAVE_SRC_MEM	\
+		((4U) << SE_CTX_SAVE_SRC_SHIFT)
+#define SE_CTX_SAVE_SRC_SRK	\
+		((6U) << SE_CTX_SAVE_SRC_SHIFT)
+#define SE_CTX_SAVE_SRC_PKA1_KEYTABLE	\
+		((7U) << SE_CTX_SAVE_SRC_SHIFT)
+
+#define SE_CTX_STICKY_WORD_QUAD_SHIFT		24
+#define SE_CTX_STICKY_WORD_QUAD_WORDS_0_3 \
+		((0U) << SE_CTX_STICKY_WORD_QUAD_SHIFT)
+#define SE_CTX_STICKY_WORD_QUAD_WORDS_4_7 \
+		((1U) << SE_CTX_STICKY_WORD_QUAD_SHIFT)
+#define SE_CTX_STICKY_WORD_QUAD(x)	 (x << SE_CTX_STICKY_WORD_QUAD_SHIFT)
+
+#define SE_CTX_SAVE_RSA_KEY_INDEX_SHIFT		16
+#define SE_CTX_SAVE_RSA_KEY_INDEX(x)				\
+			(x << SE_CTX_SAVE_RSA_KEY_INDEX_SHIFT)
+
+#define SE_CTX_RSA_WORD_QUAD_SHIFT		12
+#define SE_CTX_RSA_WORD_QUAD(x)	\
+			(x << SE_CTX_RSA_WORD_QUAD_SHIFT)
+
+#define SE_CTX_PKA1_WORD_QUAD_L_SHIFT		0
+#define SE_CTX_PKA1_WORD_QUAD_L_SIZE		\
+			((true ? 4:0) - \
+			(false ? 4:0) + 1)
+#define SE_CTX_PKA1_WORD_QUAD_L(x)\
+			(((x) << SE_CTX_PKA1_WORD_QUAD_L_SHIFT) & 0x1f)
+
+#define SE_CTX_PKA1_WORD_QUAD_H_SHIFT		12
+#define SE_CTX_PKA1_WORD_QUAD_H(x)\
+			((((x) >> SE_CTX_PKA1_WORD_QUAD_L_SIZE) & 0xf) \
+			<< SE_CTX_PKA1_WORD_QUAD_H_SHIFT)
+
+#define SE_RSA_KEY_INDEX_SLOT0_EXP		0
+#define SE_RSA_KEY_INDEX_SLOT0_MOD		1
+#define SE_RSA_KEY_INDEX_SLOT1_EXP		2
+#define SE_RSA_KEY_INDEX_SLOT1_MOD		3
+
+
+/* SE_CTX_SAVE_AUTO */
+#define SE_CTX_SAVE_AUTO_REG_OFFSET 		0x74U
+
+/* Enable */
+#define SE_CTX_SAVE_AUTO_ENABLE_SHIFT		0
+#define SE_CTX_SAVE_AUTO_DIS	\
+		((0U) << SE_CTX_SAVE_AUTO_ENABLE_SHIFT)
+#define SE_CTX_SAVE_AUTO_EN	\
+		((1U) << SE_CTX_SAVE_AUTO_ENABLE_SHIFT)
+#define SE_CTX_SAVE_AUTO_ENABLE(x)	\
+		((x) & ((0x1U) << SE_CTX_SAVE_AUTO_ENABLE_SHIFT))
+
+/* Lock */
+#define SE_CTX_SAVE_AUTO_LOCK_SHIFT 		8
+#define SE_CTX_SAVE_AUTO_LOCK_EN	\
+		((1U) << SE_CTX_SAVE_AUTO_LOCK_SHIFT)
+#define SE_CTX_SAVE_AUTO_LOCK_DIS	\
+		((0U) << SE_CTX_SAVE_AUTO_LOCK_SHIFT)
+#define SE_CTX_SAVE_AUTO_LOCK(x)	\
+		((x) & ((0x1U) << SE_CTX_SAVE_AUTO_LOCK_SHIFT))
+
+/* Current context save number of blocks*/
+#define SE_CTX_SAVE_AUTO_CURR_CNT_SHIFT		16
+#define SE_CTX_SAVE_AUTO_CURR_CNT_MASK 		0x3FFU
+#define SE_CTX_SAVE_GET_BLK_COUNT(x)	\
+		(((x) >> SE_CTX_SAVE_AUTO_CURR_CNT_SHIFT) & \
+		SE_CTX_SAVE_AUTO_CURR_CNT_MASK)
+
+#define SE_CTX_SAVE_SIZE_BLOCKS_SE1		133
+#define SE_CTX_SAVE_SIZE_BLOCKS_SE2	 	646
+
+/* SE TZRAM OPERATION - only for SE1 */
+#define SE_TZRAM_OPERATION			0x540U
+
+#define SE_TZRAM_OP_MODE_SHIFT			1
+#define SE_TZRAM_OP_COMMAND_INIT		1
+#define SE_TZRAM_OP_COMMAND_SHIFT		0
+#define SE_TZRAM_OP_MODE_SAVE		\
+		((0U) << SE_TZRAM_OP_MODE_SHIFT)
+#define SE_TZRAM_OP_MODE_RESTORE	\
+		((1U) << SE_TZRAM_OP_MODE_SHIFT)
+#define SE_TZRAM_OP_MODE(x)		\
+		((x) & ((0x1U) << SE_TZRAM_OP_MODE_SHIFT))
+
+#define SE_TZRAM_OP_BUSY_SHIFT			2
+#define SE_TZRAM_OP_BUSY_OFF	\
+		((0U) << SE_TZRAM_OP_BUSY_SHIFT)
+#define SE_TZRAM_OP_BUSY_ON	\
+		((1U) << SE_TZRAM_OP_BUSY_SHIFT)
+#define SE_TZRAM_OP_BUSY(x)	\
+		((x) & ((0x1U) << SE_TZRAM_OP_BUSY_SHIFT))
+
+#define SE_TZRAM_OP_REQ_SHIFT			0
+#define SE_TZRAM_OP_REQ_IDLE	\
+		((0U) << SE_TZRAM_OP_REQ_SHIFT)
+#define SE_TZRAM_OP_REQ_INIT	\
+		((1U) << SE_TZRAM_OP_REQ_SHIFT)
+#define SE_TZRAM_OP_REQ(x)	\
+		((x) & ((0x1U) << SE_TZRAM_OP_REQ_SHIFT))
+
+/* SE Interrupt */
+#define SE_INT_ENABLE_REG_OFFSET		U(0xC)
+#define SE_INT_STATUS_REG_OFFSET		0x10U
+#define SE_INT_OP_DONE_SHIFT			4
+#define SE_INT_OP_DONE_CLEAR	\
+		((0U) << SE_INT_OP_DONE_SHIFT)
+#define SE_INT_OP_DONE_ACTIVE	\
+		((1U) << SE_INT_OP_DONE_SHIFT)
+#define SE_INT_OP_DONE(x)	\
+		((x) & ((0x1U) << SE_INT_OP_DONE_SHIFT))
+
+/* SE TZRAM SECURITY */
+#define SE_TZRAM_SEC_REG_OFFSET			0x4
+
+#define SE_TZRAM_SEC_SETTING_SHIFT		 0
+#define SE_TZRAM_SECURE		\
+		((0UL) << SE_TZRAM_SEC_SETTING_SHIFT)
+#define SE_TZRAM_NONSECURE	 \
+		((1UL) << SE_TZRAM_SEC_SETTING_SHIFT)
+#define SE_TZRAM_SEC_SETTING(x)		\
+		((x) & ((0x1UL) << SE_TZRAM_SEC_SETTING_SHIFT))
+
+/* PKA1 KEY SLOTS */
+#define TEGRA_SE_PKA1_KEYSLOT_COUNT		4
+
+
+/* SE error status */
+#define SE_ERR_STATUS_REG_OFFSET		0x804U
+#define SE_CRYPTO_KEYTABLE_DST_REG_OFFSET	0x330
+#define SE_CRYPTO_KEYTABLE_DST_WORD_QUAD_SHIFT	0
+#define SE_CRYPTO_KEYTABLE_DST_WORD_QUAD(x)	\
+			(x << SE_CRYPTO_KEYTABLE_DST_WORD_QUAD_SHIFT)
+
+#define SE_KEY_INDEX_SHIFT			8
+#define SE_CRYPTO_KEYTABLE_DST_KEY_INDEX(x)	(x << SE_KEY_INDEX_SHIFT)
+
+
+/* SE linked list (LL) register */
+#define SE_IN_LL_ADDR_REG_OFFSET		0x18U
+#define SE_OUT_LL_ADDR_REG_OFFSET		0x24U
+#define SE_BLOCK_COUNT_REG_OFFSET		0x318U
+
+/* AES data sizes */
+#define TEGRA_SE_KEY_256_SIZE			32
+#define TEGRA_SE_KEY_192_SIZE			24
+#define TEGRA_SE_KEY_128_SIZE			16
+#define TEGRA_SE_AES_BLOCK_SIZE 		16
+#define TEGRA_SE_AES_MIN_KEY_SIZE		16
+#define TEGRA_SE_AES_MAX_KEY_SIZE		32
+#define TEGRA_SE_AES_IV_SIZE			16
+
+#define TEGRA_SE_RNG_IV_SIZE			16
+#define TEGRA_SE_RNG_DT_SIZE			16
+#define TEGRA_SE_RNG_KEY_SIZE			16
+#define TEGRA_SE_RNG_SEED_SIZE	(TEGRA_SE_RNG_IV_SIZE + \
+									TEGRA_SE_RNG_KEY_SIZE + \
+									TEGRA_SE_RNG_DT_SIZE)
+#define TEGRA_SE_RSA512_DIGEST_SIZE		64
+#define TEGRA_SE_RSA1024_DIGEST_SIZE		128
+#define TEGRA_SE_RSA1536_DIGEST_SIZE		192
+#define TEGRA_SE_RSA2048_DIGEST_SIZE		256
+
+#define SE_KEY_TABLE_ACCESS_REG_OFFSET		0x284
+#define SE_KEY_READ_DISABLE_SHIFT		0
+
+#define SE_CTX_BUFER_SIZE			1072
+#define SE_CTX_DRBG_BUFER_SIZE			2112
+
+/* SE blobs size in bytes */
+#define SE_CTX_SAVE_RSA_KEY_LENGTH		1024
+#define SE_CTX_SAVE_RANDOM_DATA_SIZE		16
+#define SE_CTX_SAVE_STICKY_BITS_SIZE		16
+#define SE2_CONTEXT_SAVE_PKA1_STICKY_BITS_LENGTH 16
+#define SE2_CONTEXT_SAVE_PKA1_KEYS_LENGTH	8192
+#define SE_CTX_KNOWN_PATTERN_SIZE		16
+#define SE_CTX_KNOWN_PATTERN_SIZE_WORDS		(SE_CTX_KNOWN_PATTERN_SIZE/4)
+
+/* SE RSA */
+#define TEGRA_SE_RSA_KEYSLOT_COUNT		2
+#define SE_RSA_KEY_SIZE_REG_OFFSET		0x404
+#define SE_RSA_EXP_SIZE_REG_OFFSET		0x408
+#define SE_RSA_MAX_EXP_BIT_SIZE			2048
+#define SE_RSA_MAX_EXP_SIZE32	\
+		(SE_RSA_MAX_EXP_BIT_SIZE >> 5)
+#define SE_RSA_MAX_MOD_BIT_SIZE			2048
+#define SE_RSA_MAX_MOD_SIZE32	\
+		(SE_RSA_MAX_MOD_BIT_SIZE >> 5)
+
+/* SE_RSA_KEYTABLE_ADDR */
+#define SE_RSA_KEYTABLE_ADDR			0x420
+#define RSA_KEY_PKT_WORD_ADDR_SHIFT		0
+#define RSA_KEY_PKT_EXPMOD_SEL_SHIFT	\
+		((6U) << RSA_KEY_PKT_WORD_ADDR_SHIFT)
+#define RSA_KEY_MOD	\
+		((1U) << RSA_KEY_PKT_EXPMOD_SEL_SHIFT)
+#define RSA_KEY_EXP	\
+		((0U) << RSA_KEY_PKT_EXPMOD_SEL_SHIFT)
+#define RSA_KEY_PKT_SLOT_SHIFT			7
+#define RSA_KEY_SLOT_1	\
+		((0U) << RSA_KEY_PKT_SLOT_SHIFT)
+#define RSA_KEY_SLOT_2	\
+		((1U) << RSA_KEY_PKT_SLOT_SHIFT)
+#define RSA_KEY_PKT_INPUT_MODE_SHIFT		8
+#define RSA_KEY_REG_INPUT	\
+		((0U) << RSA_KEY_PKT_INPUT_MODE_SHIFT)
+#define RSA_KEY_DMA_INPUT	\
+		((1U) << RSA_KEY_PKT_INPUT_MODE_SHIFT)
+
+/* SE_RSA_KEYTABLE_DATA */
+#define SE_RSA_KEYTABLE_DATA			0x424
+
+/* SE_RSA_CONFIG register */
+#define SE_RSA_CONFIG				0x400
+#define RSA_KEY_SLOT_SHIFT			24
+#define RSA_KEY_SLOT(x) \
+		((x) << RSA_KEY_SLOT_SHIFT)
+
+/*******************************************************************************
+ * Structure definition
+ ******************************************************************************/
+
+/* SE context blob */
+#pragma pack(push, 1)
+typedef struct tegra_aes_key_slot {
+	/* 0 - 7 AES key */
+	uint32_t key[8];
+	/* 8 - 11 Original IV */
+	uint32_t oiv[4];
+	/* 12 - 15 Updated IV */
+	uint32_t uiv[4];
+} tegra_se_aes_key_slot_t;
+#pragma pack(pop)
+
+#pragma pack(push, 1)
+typedef struct tegra_se_context {
+	/* random number */
+	unsigned char rand_data[SE_CTX_SAVE_RANDOM_DATA_SIZE];
+	/* Sticky bits */
+	unsigned char sticky_bits[SE_CTX_SAVE_STICKY_BITS_SIZE * 2];
+	/* AES key slots */
+	tegra_se_aes_key_slot_t key_slots[TEGRA_SE_AES_KEYSLOT_COUNT];
+	/* RSA key slots */
+	unsigned char rsa_keys[SE_CTX_SAVE_RSA_KEY_LENGTH];
+} tegra_se_context_t;
+#pragma pack(pop)
+
+/* PKA context blob */
+#pragma pack(push, 1)
+typedef struct tegra_pka_context {
+	unsigned char sticky_bits[SE2_CONTEXT_SAVE_PKA1_STICKY_BITS_LENGTH];
+	unsigned char pka_keys[SE2_CONTEXT_SAVE_PKA1_KEYS_LENGTH];
+} tegra_pka_context_t;
+#pragma pack(pop)
+
+/* SE context blob */
+#pragma pack(push, 1)
+typedef struct tegra_se_context_blob {
+	/* SE context */
+	tegra_se_context_t se_ctx;
+	/* Known Pattern */
+	unsigned char known_pattern[SE_CTX_KNOWN_PATTERN_SIZE];
+} tegra_se_context_blob_t;
+#pragma pack(pop)
+
+/* SE2 and PKA1 context blob */
+#pragma pack(push, 1)
+typedef struct tegra_se2_context_blob {
+	/* SE2 context */
+	tegra_se_context_t se_ctx;
+	/* PKA1 context */
+	tegra_pka_context_t pka_ctx;
+	/* Known Pattern */
+	unsigned char known_pattern[SE_CTX_KNOWN_PATTERN_SIZE];
+} tegra_se2_context_blob_t;
+#pragma pack(pop)
+
+/* SE AES key type 128bit, 192bit, 256bit */
+typedef enum {
+	SE_AES_KEY128,
+	SE_AES_KEY192,
+	SE_AES_KEY256,
+} tegra_se_aes_key_type_t;
+
+/* SE RSA key slot */
+typedef struct tegra_se_rsa_key_slot {
+	/* 0 - 63 exponent key */
+	uint32_t exponent[SE_RSA_MAX_EXP_SIZE32];
+	/* 64 - 127 modulus key */
+	uint32_t modulus[SE_RSA_MAX_MOD_SIZE32];
+} tegra_se_rsa_key_slot_t;
+
+
+/*******************************************************************************
+ * Inline functions definition
+ ******************************************************************************/
+
+static inline uint32_t tegra_se_read_32(const tegra_se_dev_t *dev, uint32_t offset)
+{
+	return mmio_read_32(dev->se_base + offset);
+}
+
+static inline void tegra_se_write_32(const tegra_se_dev_t *dev, uint32_t offset, uint32_t val)
+{
+	mmio_write_32(dev->se_base + offset, val);
+}
+
+static inline uint32_t tegra_pka_read_32(tegra_pka_dev_t *dev, uint32_t offset)
+{
+	return mmio_read_32(dev->pka_base + offset);
+}
+
+static inline void tegra_pka_write_32(tegra_pka_dev_t *dev, uint32_t offset,
+uint32_t val)
+{
+	mmio_write_32(dev->pka_base + offset, val);
+}
+
+/*******************************************************************************
+ * Prototypes
+ ******************************************************************************/
+int tegra_se_start_normal_operation(const tegra_se_dev_t *, uint32_t);
+int tegra_se_start_ctx_save_operation(const tegra_se_dev_t *, uint32_t);
+
+#endif /* SE_PRIVATE_H */
diff --git a/plat/nvidia/tegra/soc/t210/drivers/se/security_engine.c b/plat/nvidia/tegra/soc/t210/drivers/se/security_engine.c
new file mode 100644
index 0000000..4860858
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t210/drivers/se/security_engine.c
@@ -0,0 +1,1071 @@
+/*
+ * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2020, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <assert.h>
+#include <common/debug.h>
+#include <drivers/delay_timer.h>
+#include <errno.h>
+#include <lib/mmio.h>
+#include <lib/psci/psci.h>
+#include <se_private.h>
+#include <security_engine.h>
+#include <tegra_platform.h>
+
+/*******************************************************************************
+ * Constants and Macros
+ ******************************************************************************/
+
+#define TIMEOUT_100MS		100U	/* Timeout in 100ms */
+#define RNG_AES_KEY_INDEX	1
+
+/*******************************************************************************
+ * Data structure and global variables
+ ******************************************************************************/
+
+/* The security engine contexts are formatted as follows:
+ *
+ * SE1 CONTEXT:
+ * #--------------------------------#
+ * |        Random Data   1 Block   |
+ * #--------------------------------#
+ * |        Sticky Bits   2 Blocks  |
+ * #--------------------------------#
+ * | Key Table           64 Blocks  |
+ * |     For each Key (x16):        |
+ * |      Key:         2 Blocks     |
+ * |      Original-IV: 1 Block      |
+ * |      Updated-IV:  1 Block      |
+ * #--------------------------------#
+ * |        RSA Keys     64 Blocks  |
+ * #--------------------------------#
+ * |        Known Pattern 1 Block   |
+ * #--------------------------------#
+ *
+ * SE2/PKA1 CONTEXT:
+ * #--------------------------------#
+ * |        Random Data   1 Block   |
+ * #--------------------------------#
+ * |        Sticky Bits   2 Blocks  |
+ * #--------------------------------#
+ * | Key Table           64 Blocks  |
+ * |     For each Key (x16):        |
+ * |      Key:         2 Blocks     |
+ * |      Original-IV: 1 Block      |
+ * |      Updated-IV:  1 Block      |
+ * #--------------------------------#
+ * |        RSA Keys     64 Blocks  |
+ * #--------------------------------#
+ * |        PKA sticky bits 1 Block |
+ * #--------------------------------#
+ * |        PKA keys    512 Blocks  |
+ * #--------------------------------#
+ * |        Known Pattern 1 Block   |
+ * #--------------------------------#
+ */
+
+/* Known pattern data for T210 */
+static const uint8_t se_ctx_known_pattern_data[SE_CTX_KNOWN_PATTERN_SIZE] = {
+	/* 128 bit AES block */
+	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+	0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
+	};
+
+/* SE input and output linked list buffers */
+static tegra_se_io_lst_t se1_src_ll_buf;
+static tegra_se_io_lst_t se1_dst_ll_buf;
+
+/* SE2 input and output linked list buffers */
+static tegra_se_io_lst_t se2_src_ll_buf;
+static tegra_se_io_lst_t se2_dst_ll_buf;
+
+/* SE1 context buffer, 132 blocks */
+static __aligned(64) uint8_t se1_ctx_buf[SE_CTX_DRBG_BUFER_SIZE];
+
+/* SE1 security engine device handle */
+static tegra_se_dev_t se_dev_1 = {
+	.se_num = 1,
+	/* Setup base address for se */
+	.se_base = TEGRA_SE1_BASE,
+	/* Setup context size in AES blocks */
+	.ctx_size_blks = SE_CTX_SAVE_SIZE_BLOCKS_SE1,
+	/* Setup SRC buffers for SE operations */
+	.src_ll_buf = &se1_src_ll_buf,
+	/* Setup DST buffers for SE operations */
+	.dst_ll_buf = &se1_dst_ll_buf,
+	/* Setup context save destination */
+	.ctx_save_buf = (uint32_t *)&se1_ctx_buf
+};
+
+/* SE2 security engine device handle (T210B01 only) */
+static tegra_se_dev_t se_dev_2 = {
+	.se_num = 2,
+	/* Setup base address for se */
+	.se_base = TEGRA_SE2_BASE,
+	/* Setup context size in AES blocks */
+	.ctx_size_blks = SE_CTX_SAVE_SIZE_BLOCKS_SE2,
+	/* Setup SRC buffers for SE operations */
+	.src_ll_buf = &se2_src_ll_buf,
+	/* Setup DST buffers for SE operations */
+	.dst_ll_buf = &se2_dst_ll_buf,
+	/* Setup context save destination */
+	.ctx_save_buf = (uint32_t *)(TEGRA_TZRAM_CARVEOUT_BASE + 0x1000)
+};
+
+static bool ecid_valid;
+
+/*******************************************************************************
+ * Functions Definition
+ ******************************************************************************/
+
+static void tegra_se_make_data_coherent(const tegra_se_dev_t *se_dev)
+{
+	flush_dcache_range(((uint64_t)(se_dev->src_ll_buf)),
+			sizeof(tegra_se_io_lst_t));
+	flush_dcache_range(((uint64_t)(se_dev->dst_ll_buf)),
+			sizeof(tegra_se_io_lst_t));
+}
+
+/*
+ * Check that SE operation has completed after kickoff
+ * This function is invoked after an SE operation has been started,
+ * and it checks the following conditions:
+ * 1. SE_INT_STATUS = SE_OP_DONE
+ * 2. SE_STATUS = IDLE
+ * 3. AHB bus data transfer complete.
+ * 4. SE_ERR_STATUS is clean.
+ */
+static int32_t tegra_se_operation_complete(const tegra_se_dev_t *se_dev)
+{
+	uint32_t val = 0;
+	int32_t ret = 0;
+	uint32_t timeout;
+
+	/* Poll the SE interrupt register to ensure H/W operation complete */
+	val = tegra_se_read_32(se_dev, SE_INT_STATUS_REG_OFFSET);
+	for (timeout = 0; (SE_INT_OP_DONE(val) == SE_INT_OP_DONE_CLEAR) &&
+			(timeout < TIMEOUT_100MS); timeout++) {
+		mdelay(1);
+		val = tegra_se_read_32(se_dev, SE_INT_STATUS_REG_OFFSET);
+	}
+
+	if (timeout == TIMEOUT_100MS) {
+		ERROR("%s: ERR: Atomic context save operation timeout!\n",
+				__func__);
+		ret = -ETIMEDOUT;
+	}
+
+	/* Poll the SE status idle to ensure H/W operation complete */
+	if (ret == 0) {
+		val = tegra_se_read_32(se_dev, SE_STATUS_OFFSET);
+		for (timeout = 0; (val != 0U) && (timeout < TIMEOUT_100MS);
+				timeout++) {
+			mdelay(1);
+			val = tegra_se_read_32(se_dev, SE_STATUS_OFFSET);
+		}
+
+		if (timeout == TIMEOUT_100MS) {
+			ERROR("%s: ERR: MEM_INTERFACE and SE state "
+					"idle state timeout.\n", __func__);
+			ret = -ETIMEDOUT;
+		}
+	}
+
+	/* Check AHB bus transfer complete */
+	if (ret == 0) {
+		val = mmio_read_32(TEGRA_AHB_ARB_BASE + ARAHB_MEM_WRQUE_MST_ID_OFFSET);
+		for (timeout = 0; ((val & (ARAHB_MST_ID_SE_MASK | ARAHB_MST_ID_SE2_MASK)) != 0U) &&
+				(timeout < TIMEOUT_100MS); timeout++) {
+			mdelay(1);
+			val = mmio_read_32(TEGRA_AHB_ARB_BASE + ARAHB_MEM_WRQUE_MST_ID_OFFSET);
+		}
+
+		if (timeout == TIMEOUT_100MS) {
+			ERROR("%s: SE write over AHB timeout.\n", __func__);
+			ret = -ETIMEDOUT;
+		}
+	}
+
+	/* Ensure that no errors are thrown during operation */
+	if (ret == 0) {
+		val = tegra_se_read_32(se_dev, SE_ERR_STATUS_REG_OFFSET);
+		if (val != 0U) {
+			ERROR("%s: error during SE operation! 0x%x", __func__, val);
+			ret = -ENOTSUP;
+		}
+	}
+
+	return ret;
+}
+
+/*
+ * Wait for SE engine to be idle and clear pending interrupts before
+ * starting the next SE operation.
+ */
+static int32_t tegra_se_operation_prepare(const tegra_se_dev_t *se_dev)
+{
+	int32_t ret = 0;
+	uint32_t val = 0;
+	uint32_t timeout;
+
+	/* disable SE interrupt to prevent interrupt issued by SE operation */
+	tegra_se_write_32(se_dev, SE_INT_ENABLE_REG_OFFSET, 0U);
+
+	/* Wait for previous operation to finish */
+	val = tegra_se_read_32(se_dev, SE_STATUS_OFFSET);
+	for (timeout = 0; (val != 0U) && (timeout < TIMEOUT_100MS); timeout++) {
+		mdelay(1);
+		val = tegra_se_read_32(se_dev, SE_STATUS_OFFSET);
+	}
+
+	if (timeout == TIMEOUT_100MS) {
+		ERROR("%s: ERR: SE status is not idle!\n", __func__);
+		ret = -ETIMEDOUT;
+	}
+
+	/* Clear any pending interrupts from  previous operation */
+	val = tegra_se_read_32(se_dev, SE_INT_STATUS_REG_OFFSET);
+	tegra_se_write_32(se_dev, SE_INT_STATUS_REG_OFFSET, val);
+	return ret;
+}
+
+/*
+ * SE atomic context save. At SC7 entry, SE driver triggers the
+ * hardware automatically performs the context save operation.
+ */
+static int32_t tegra_se_context_save_atomic(const tegra_se_dev_t *se_dev)
+{
+	int32_t ret = 0;
+	uint32_t val = 0;
+	uint32_t blk_count_limit = 0;
+	uint32_t block_count;
+
+	/* Check that previous operation is finalized */
+	ret = tegra_se_operation_prepare(se_dev);
+
+	/* Read the context save progress counter: block_count
+	 * Ensure no previous context save has been triggered
+	 * SE_CTX_SAVE_AUTO.CURR_CNT == 0
+	 */
+	if (ret == 0) {
+		val = tegra_se_read_32(se_dev, SE_CTX_SAVE_AUTO_REG_OFFSET);
+		block_count = SE_CTX_SAVE_GET_BLK_COUNT(val);
+		if (block_count != 0U) {
+			ERROR("%s: ctx_save triggered multiple times\n",
+					__func__);
+			ret = -EALREADY;
+		}
+	}
+
+	/* Set the destination block count when the context save complete */
+	if (ret == 0) {
+		blk_count_limit = block_count + se_dev->ctx_size_blks;
+	}
+
+	/* Program SE_CONFIG register as for RNG operation
+	 * SE_CONFIG.ENC_ALG = RNG
+	 * SE_CONFIG.DEC_ALG = NOP
+	 * SE_CONFIG.ENC_MODE is ignored
+	 * SE_CONFIG.DEC_MODE is ignored
+	 * SE_CONFIG.DST = MEMORY
+	 */
+	if (ret == 0) {
+		val = (SE_CONFIG_ENC_ALG_RNG |
+			SE_CONFIG_DEC_ALG_NOP |
+			SE_CONFIG_DST_MEMORY);
+		tegra_se_write_32(se_dev, SE_CONFIG_REG_OFFSET, val);
+
+		tegra_se_make_data_coherent(se_dev);
+
+		/* SE_CTX_SAVE operation */
+		tegra_se_write_32(se_dev, SE_OPERATION_REG_OFFSET,
+				SE_OP_CTX_SAVE);
+
+		ret = tegra_se_operation_complete(se_dev);
+	}
+
+	/* Check that context has written the correct number of blocks */
+	if (ret == 0) {
+		val = tegra_se_read_32(se_dev, SE_CTX_SAVE_AUTO_REG_OFFSET);
+		if (SE_CTX_SAVE_GET_BLK_COUNT(val) != blk_count_limit) {
+			ERROR("%s: expected %d blocks but %d were written\n",
+					__func__, blk_count_limit, val);
+			ret = -ECANCELED;
+		}
+	}
+
+	return ret;
+}
+
+/*
+ * Security engine primitive operations, including normal operation
+ * and the context save operation.
+ */
+static int tegra_se_perform_operation(const tegra_se_dev_t *se_dev, uint32_t nbytes,
+					bool context_save)
+{
+	uint32_t nblocks = nbytes / TEGRA_SE_AES_BLOCK_SIZE;
+	int ret = 0;
+
+	assert(se_dev);
+
+	/* Use device buffers for in and out */
+	tegra_se_write_32(se_dev, SE_OUT_LL_ADDR_REG_OFFSET, ((uint64_t)(se_dev->dst_ll_buf)));
+	tegra_se_write_32(se_dev, SE_IN_LL_ADDR_REG_OFFSET, ((uint64_t)(se_dev->src_ll_buf)));
+
+	/* Check that previous operation is finalized */
+	ret = tegra_se_operation_prepare(se_dev);
+	if (ret != 0) {
+		goto op_error;
+	}
+
+	/* Program SE operation size */
+	if (nblocks) {
+		tegra_se_write_32(se_dev, SE_BLOCK_COUNT_REG_OFFSET, nblocks - 1);
+	}
+
+	/* Make SE LL data coherent before the SE operation */
+	tegra_se_make_data_coherent(se_dev);
+
+	/* Start hardware operation */
+	if (context_save)
+		tegra_se_write_32(se_dev, SE_OPERATION_REG_OFFSET, SE_OP_CTX_SAVE);
+	else
+		tegra_se_write_32(se_dev, SE_OPERATION_REG_OFFSET, SE_OP_START);
+
+	/* Wait for operation to finish */
+	ret = tegra_se_operation_complete(se_dev);
+
+op_error:
+	return ret;
+}
+
+/*
+ * Normal security engine operations other than the context save
+ */
+int tegra_se_start_normal_operation(const tegra_se_dev_t *se_dev, uint32_t nbytes)
+{
+	return tegra_se_perform_operation(se_dev, nbytes, false);
+}
+
+/*
+ * Security engine context save operation
+ */
+int tegra_se_start_ctx_save_operation(const tegra_se_dev_t *se_dev, uint32_t nbytes)
+{
+	return tegra_se_perform_operation(se_dev, nbytes, true);
+}
+
+/*
+ * Security Engine sequence to generat SRK
+ * SE and SE2 will generate different SRK by different
+ * entropy seeds.
+ */
+static int tegra_se_generate_srk(const tegra_se_dev_t *se_dev)
+{
+	int ret = PSCI_E_INTERN_FAIL;
+	uint32_t val;
+
+	/* Confgure the following hardware register settings:
+	 * SE_CONFIG.DEC_ALG = NOP
+	 * SE_CONFIG.ENC_ALG = RNG
+	 * SE_CONFIG.DST = SRK
+	 * SE_OPERATION.OP = START
+	 * SE_CRYPTO_LAST_BLOCK = 0
+	 */
+	se_dev->src_ll_buf->last_buff_num = 0;
+	se_dev->dst_ll_buf->last_buff_num = 0;
+
+	/* Configure random number generator */
+	if (ecid_valid)
+		val = (DRBG_MODE_FORCE_INSTANTION | DRBG_SRC_ENTROPY);
+	else
+		val = (DRBG_MODE_FORCE_RESEED | DRBG_SRC_ENTROPY);
+	tegra_se_write_32(se_dev, SE_RNG_CONFIG_REG_OFFSET, val);
+
+	/* Configure output destination = SRK */
+	val = (SE_CONFIG_ENC_ALG_RNG |
+		SE_CONFIG_DEC_ALG_NOP |
+		SE_CONFIG_DST_SRK);
+	tegra_se_write_32(se_dev, SE_CONFIG_REG_OFFSET, val);
+
+	/* Perform hardware operation */
+	ret = tegra_se_start_normal_operation(se_dev, 0);
+
+	return ret;
+}
+
+/*
+ * Generate plain text random data to some memory location using
+ * SE/SE2's SP800-90 random number generator. The random data size
+ * must be some multiple of the AES block size (16 bytes).
+ */
+static int tegra_se_lp_generate_random_data(tegra_se_dev_t *se_dev)
+{
+	int ret = 0;
+	uint32_t val;
+
+	/* Set some arbitrary memory location to store the random data */
+	se_dev->dst_ll_buf->last_buff_num = 0;
+	if (!se_dev->ctx_save_buf) {
+		ERROR("%s: ERR: context save buffer NULL pointer!\n", __func__);
+		return PSCI_E_NOT_PRESENT;
+	}
+	se_dev->dst_ll_buf->buffer[0].addr = ((uint64_t)(&(((tegra_se_context_t *)
+					se_dev->ctx_save_buf)->rand_data)));
+	se_dev->dst_ll_buf->buffer[0].data_len = SE_CTX_SAVE_RANDOM_DATA_SIZE;
+
+
+	/* Confgure the following hardware register settings:
+	 * SE_CONFIG.DEC_ALG = NOP
+	 * SE_CONFIG.ENC_ALG = RNG
+	 * SE_CONFIG.ENC_MODE = KEY192
+	 * SE_CONFIG.DST = MEMORY
+	 */
+	val = (SE_CONFIG_ENC_ALG_RNG |
+		SE_CONFIG_DEC_ALG_NOP |
+		SE_CONFIG_ENC_MODE_KEY192 |
+		SE_CONFIG_DST_MEMORY);
+	tegra_se_write_32(se_dev, SE_CONFIG_REG_OFFSET, val);
+
+	/* Program the RNG options in SE_CRYPTO_CONFIG as follows:
+	 * XOR_POS = BYPASS
+	 * INPUT_SEL = RANDOM (Entropy or LFSR)
+	 * HASH_ENB = DISABLE
+	 */
+	val = (SE_CRYPTO_INPUT_RANDOM |
+		SE_CRYPTO_XOR_BYPASS |
+		SE_CRYPTO_CORE_ENCRYPT |
+		SE_CRYPTO_HASH_DISABLE |
+		SE_CRYPTO_KEY_INDEX(RNG_AES_KEY_INDEX) |
+		SE_CRYPTO_IV_ORIGINAL);
+	tegra_se_write_32(se_dev, SE_CRYPTO_REG_OFFSET, val);
+
+	/* Configure RNG */
+	if (ecid_valid)
+		val = (DRBG_MODE_FORCE_INSTANTION | DRBG_SRC_LFSR);
+	else
+		val = (DRBG_MODE_FORCE_RESEED | DRBG_SRC_LFSR);
+	tegra_se_write_32(se_dev, SE_RNG_CONFIG_REG_OFFSET, val);
+
+	/* SE normal operation */
+	ret = tegra_se_start_normal_operation(se_dev, SE_CTX_SAVE_RANDOM_DATA_SIZE);
+
+	return ret;
+}
+
+/*
+ * Encrypt memory blocks with SRK as part of the security engine context.
+ * The data blocks include: random data and the known pattern data, where
+ * the random data is the first block and known pattern is the last block.
+ */
+static int tegra_se_lp_data_context_save(tegra_se_dev_t *se_dev,
+		uint64_t src_addr, uint64_t dst_addr, uint32_t data_size)
+{
+	int ret = 0;
+
+	se_dev->src_ll_buf->last_buff_num = 0;
+	se_dev->dst_ll_buf->last_buff_num = 0;
+	se_dev->src_ll_buf->buffer[0].addr = src_addr;
+	se_dev->src_ll_buf->buffer[0].data_len = data_size;
+	se_dev->dst_ll_buf->buffer[0].addr = dst_addr;
+	se_dev->dst_ll_buf->buffer[0].data_len = data_size;
+
+	/* By setting the context source from memory and calling the context save
+	 * operation, the SE encrypts the memory data with SRK.
+	 */
+	tegra_se_write_32(se_dev, SE_CTX_SAVE_CONFIG_REG_OFFSET, SE_CTX_SAVE_SRC_MEM);
+
+	ret = tegra_se_start_ctx_save_operation(se_dev, data_size);
+
+	return ret;
+}
+
+/*
+ * Context save the key table access control sticky bits and
+ * security status of each key-slot. The encrypted sticky-bits are
+ * 32 bytes (2 AES blocks) and formatted as the following structure:
+ * {	bit in registers			bit in context save
+ *	SECURITY_0[4]				158
+ *	SE_RSA_KEYTABLE_ACCE4SS_1[2:0]		157:155
+ *	SE_RSA_KEYTABLE_ACCE4SS_0[2:0]		154:152
+ *	SE_RSA_SECURITY_PERKEY_0[1:0]		151:150
+ *	SE_CRYPTO_KEYTABLE_ACCESS_15[7:0]	149:142
+ *	...,
+ *	SE_CRYPTO_KEYTABLE_ACCESS_0[7:0]	29:22
+ *	SE_CRYPTO_SECURITY_PERKEY_0[15:0]	21:6
+ *	SE_TZRAM_SECURITY_0[1:0]		5:4
+ *	SE_SECURITY_0[16]			3:3
+ *	SE_SECURITY_0[2:0] }			2:0
+ */
+static int tegra_se_lp_sticky_bits_context_save(tegra_se_dev_t *se_dev)
+{
+	int ret = PSCI_E_INTERN_FAIL;
+	uint32_t val = 0;
+
+	se_dev->dst_ll_buf->last_buff_num = 0;
+	if (!se_dev->ctx_save_buf) {
+		ERROR("%s: ERR: context save buffer NULL pointer!\n", __func__);
+		return PSCI_E_NOT_PRESENT;
+	}
+	se_dev->dst_ll_buf->buffer[0].addr = ((uint64_t)(&(((tegra_se_context_t *)
+						se_dev->ctx_save_buf)->sticky_bits)));
+	se_dev->dst_ll_buf->buffer[0].data_len = SE_CTX_SAVE_STICKY_BITS_SIZE;
+
+	/*
+	 * The 1st AES block save the sticky-bits context 1 - 16 bytes (0 - 3 words).
+	 * The 2nd AES block save the sticky-bits context 17 - 32 bytes (4 - 7 words).
+	 */
+	for (int i = 0; i < 2; i++) {
+		val = SE_CTX_SAVE_SRC_STICKY_BITS |
+			SE_CTX_SAVE_STICKY_WORD_QUAD(i);
+		tegra_se_write_32(se_dev, SE_CTX_SAVE_CONFIG_REG_OFFSET, val);
+
+		/* SE context save operation */
+		ret = tegra_se_start_ctx_save_operation(se_dev,
+				SE_CTX_SAVE_STICKY_BITS_SIZE);
+		if (ret)
+			break;
+		se_dev->dst_ll_buf->buffer[0].addr += SE_CTX_SAVE_STICKY_BITS_SIZE;
+	}
+
+	return ret;
+}
+
+static int tegra_se_aeskeytable_context_save(tegra_se_dev_t *se_dev)
+{
+	uint32_t val = 0;
+	int ret = 0;
+
+	se_dev->dst_ll_buf->last_buff_num = 0;
+	if (!se_dev->ctx_save_buf) {
+		ERROR("%s: ERR: context save buffer NULL pointer!\n", __func__);
+		ret = -EINVAL;
+		goto aes_keytable_save_err;
+	}
+
+	/* AES key context save */
+	for (int slot = 0; slot < TEGRA_SE_AES_KEYSLOT_COUNT; slot++) {
+		se_dev->dst_ll_buf->buffer[0].addr = ((uint64_t)(&(
+						((tegra_se_context_t *)se_dev->
+						 ctx_save_buf)->key_slots[slot].key)));
+		se_dev->dst_ll_buf->buffer[0].data_len = TEGRA_SE_KEY_128_SIZE;
+		for (int i = 0; i < 2; i++) {
+			val = SE_CTX_SAVE_SRC_AES_KEYTABLE |
+				SE_CTX_SAVE_KEY_INDEX(slot) |
+				SE_CTX_SAVE_WORD_QUAD(i);
+			tegra_se_write_32(se_dev, SE_CTX_SAVE_CONFIG_REG_OFFSET, val);
+
+			/* SE context save operation */
+			ret = tegra_se_start_ctx_save_operation(se_dev,
+					TEGRA_SE_KEY_128_SIZE);
+			if (ret) {
+				ERROR("%s: ERR: AES key CTX_SAVE OP failed, "
+						"slot=%d, word_quad=%d.\n",
+						__func__, slot, i);
+				goto aes_keytable_save_err;
+			}
+			se_dev->dst_ll_buf->buffer[0].addr += TEGRA_SE_KEY_128_SIZE;
+		}
+
+		/* OIV context save */
+		se_dev->dst_ll_buf->last_buff_num = 0;
+		se_dev->dst_ll_buf->buffer[0].addr = ((uint64_t)(&(
+						((tegra_se_context_t *)se_dev->
+						 ctx_save_buf)->key_slots[slot].oiv)));
+		se_dev->dst_ll_buf->buffer[0].data_len = TEGRA_SE_AES_IV_SIZE;
+
+		val = SE_CTX_SAVE_SRC_AES_KEYTABLE |
+			SE_CTX_SAVE_KEY_INDEX(slot) |
+			SE_CTX_SAVE_WORD_QUAD_ORIG_IV;
+		tegra_se_write_32(se_dev, SE_CTX_SAVE_CONFIG_REG_OFFSET, val);
+
+		/* SE context save operation */
+		ret = tegra_se_start_ctx_save_operation(se_dev, TEGRA_SE_AES_IV_SIZE);
+		if (ret) {
+			ERROR("%s: ERR: OIV CTX_SAVE OP failed, slot=%d.\n",
+					__func__, slot);
+			goto aes_keytable_save_err;
+		}
+
+		/* UIV context save */
+		se_dev->dst_ll_buf->last_buff_num = 0;
+		se_dev->dst_ll_buf->buffer[0].addr = ((uint64_t)(&(
+						((tegra_se_context_t *)se_dev->
+						 ctx_save_buf)->key_slots[slot].uiv)));
+		se_dev->dst_ll_buf->buffer[0].data_len = TEGRA_SE_AES_IV_SIZE;
+
+		val = SE_CTX_SAVE_SRC_AES_KEYTABLE |
+			SE_CTX_SAVE_KEY_INDEX(slot) |
+			SE_CTX_SAVE_WORD_QUAD_UPD_IV;
+		tegra_se_write_32(se_dev, SE_CTX_SAVE_CONFIG_REG_OFFSET, val);
+
+		/* SE context save operation */
+		ret = tegra_se_start_ctx_save_operation(se_dev, TEGRA_SE_AES_IV_SIZE);
+		if (ret) {
+			ERROR("%s: ERR: UIV CTX_SAVE OP failed, slot=%d\n",
+					__func__, slot);
+			goto aes_keytable_save_err;
+		}
+	}
+
+aes_keytable_save_err:
+	return ret;
+}
+
+static int tegra_se_lp_rsakeytable_context_save(tegra_se_dev_t *se_dev)
+{
+	uint32_t val = 0;
+	int ret = 0;
+	/* For T210, First the modulus and then exponent must be
+	 * encrypted and saved. This is repeated for SLOT 0
+	 * and SLOT 1. Hence the order:
+	 * SLOT 0 modulus : RSA_KEY_INDEX : 1
+	 * SLOT 0 exponent : RSA_KEY_INDEX : 0
+	 * SLOT 1 modulus : RSA_KEY_INDEX : 3
+	 * SLOT 1 exponent : RSA_KEY_INDEX : 2
+	 */
+	const unsigned int key_index_mod[TEGRA_SE_RSA_KEYSLOT_COUNT][2] = {
+		/* RSA key slot 0 */
+		{SE_RSA_KEY_INDEX_SLOT0_MOD, SE_RSA_KEY_INDEX_SLOT0_EXP},
+		/* RSA key slot 1 */
+		{SE_RSA_KEY_INDEX_SLOT1_MOD, SE_RSA_KEY_INDEX_SLOT1_EXP},
+	};
+
+	se_dev->dst_ll_buf->last_buff_num = 0;
+	se_dev->dst_ll_buf->buffer[0].addr = ((uint64_t)(&(
+					((tegra_se_context_t *)se_dev->
+					 ctx_save_buf)->rsa_keys)));
+	se_dev->dst_ll_buf->buffer[0].data_len = TEGRA_SE_KEY_128_SIZE;
+
+	for (int slot = 0; slot < TEGRA_SE_RSA_KEYSLOT_COUNT; slot++) {
+		/* loop for modulus and exponent */
+		for (int index = 0; index < 2; index++) {
+			for (int word_quad = 0; word_quad < 16; word_quad++) {
+				val = SE_CTX_SAVE_SRC_RSA_KEYTABLE |
+					SE_CTX_SAVE_RSA_KEY_INDEX(
+						key_index_mod[slot][index]) |
+					SE_CTX_RSA_WORD_QUAD(word_quad);
+				tegra_se_write_32(se_dev,
+					SE_CTX_SAVE_CONFIG_REG_OFFSET, val);
+
+				/* SE context save operation */
+				ret = tegra_se_start_ctx_save_operation(se_dev,
+						TEGRA_SE_KEY_128_SIZE);
+				if (ret) {
+					ERROR("%s: ERR: slot=%d.\n",
+						__func__, slot);
+					goto rsa_keytable_save_err;
+				}
+
+				/* Update the pointer to the next word quad */
+				se_dev->dst_ll_buf->buffer[0].addr +=
+					TEGRA_SE_KEY_128_SIZE;
+			}
+		}
+	}
+
+rsa_keytable_save_err:
+	return ret;
+}
+
+static int tegra_se_pkakeytable_sticky_bits_save(tegra_se_dev_t *se_dev)
+{
+	int ret = 0;
+
+	se_dev->dst_ll_buf->last_buff_num = 0;
+	se_dev->dst_ll_buf->buffer[0].addr = ((uint64_t)(&(
+					((tegra_se2_context_blob_t *)se_dev->
+					 ctx_save_buf)->pka_ctx.sticky_bits)));
+	se_dev->dst_ll_buf->buffer[0].data_len = TEGRA_SE_AES_BLOCK_SIZE;
+
+	/* PKA1 sticky bits are 1 AES block (16 bytes) */
+	tegra_se_write_32(se_dev, SE_CTX_SAVE_CONFIG_REG_OFFSET,
+			SE_CTX_SAVE_SRC_PKA1_STICKY_BITS |
+			SE_CTX_STICKY_WORD_QUAD_WORDS_0_3);
+
+	/* SE context save operation */
+	ret = tegra_se_start_ctx_save_operation(se_dev, 0);
+	if (ret) {
+		ERROR("%s: ERR: PKA1 sticky bits CTX_SAVE OP failed\n",
+				__func__);
+		goto pka_sticky_bits_save_err;
+	}
+
+pka_sticky_bits_save_err:
+	return ret;
+}
+
+static int tegra_se_pkakeytable_context_save(tegra_se_dev_t *se_dev)
+{
+	uint32_t val = 0;
+	int ret = 0;
+
+	se_dev->dst_ll_buf->last_buff_num = 0;
+	se_dev->dst_ll_buf->buffer[0].addr = ((uint64_t)(&(
+					((tegra_se2_context_blob_t *)se_dev->
+					 ctx_save_buf)->pka_ctx.pka_keys)));
+	se_dev->dst_ll_buf->buffer[0].data_len = TEGRA_SE_KEY_128_SIZE;
+
+	/* for each slot, save word quad 0-127 */
+	for (int slot = 0; slot < TEGRA_SE_PKA1_KEYSLOT_COUNT; slot++) {
+		for (int word_quad = 0; word_quad < 512/4; word_quad++) {
+			val = SE_CTX_SAVE_SRC_PKA1_KEYTABLE |
+				SE_CTX_PKA1_WORD_QUAD_L((slot * 128) +
+						word_quad) |
+				SE_CTX_PKA1_WORD_QUAD_H((slot * 128) +
+						word_quad);
+			tegra_se_write_32(se_dev,
+					SE_CTX_SAVE_CONFIG_REG_OFFSET, val);
+
+			/* SE context save operation */
+			ret = tegra_se_start_ctx_save_operation(se_dev,
+					TEGRA_SE_KEY_128_SIZE);
+			if (ret) {
+				ERROR("%s: ERR: pka1 keytable ctx save error\n",
+						__func__);
+				goto pka_keytable_save_err;
+			}
+
+			/* Update the pointer to the next word quad */
+			se_dev->dst_ll_buf->buffer[0].addr +=
+				TEGRA_SE_KEY_128_SIZE;
+		}
+	}
+
+pka_keytable_save_err:
+	return ret;
+}
+
+static int tegra_se_save_SRK(tegra_se_dev_t *se_dev)
+{
+	tegra_se_write_32(se_dev, SE_CTX_SAVE_CONFIG_REG_OFFSET,
+			SE_CTX_SAVE_SRC_SRK);
+
+	/* SE context save operation */
+	return tegra_se_start_ctx_save_operation(se_dev, 0);
+}
+
+/*
+ *  Lock both SE from non-TZ clients.
+ */
+static inline void tegra_se_lock(tegra_se_dev_t *se_dev)
+{
+	uint32_t val;
+
+	assert(se_dev);
+	val = tegra_se_read_32(se_dev, SE_SECURITY_REG_OFFSET);
+	val |= SE_SECURITY_TZ_LOCK_SOFT(SE_SECURE);
+	tegra_se_write_32(se_dev, SE_SECURITY_REG_OFFSET, val);
+}
+
+/*
+ * Use SRK to encrypt SE state and save to TZRAM carveout
+ */
+static int tegra_se_context_save_sw(tegra_se_dev_t *se_dev)
+{
+	int err = 0;
+
+	assert(se_dev);
+
+	/* Lock entire SE/SE2 as TZ protected */
+	tegra_se_lock(se_dev);
+
+	INFO("%s: generate SRK\n", __func__);
+	/* Generate SRK */
+	err = tegra_se_generate_srk(se_dev);
+	if (err) {
+		ERROR("%s: ERR: SRK generation failed\n", __func__);
+		return err;
+	}
+
+	INFO("%s: generate random data\n", __func__);
+	/* Generate random data */
+	err = tegra_se_lp_generate_random_data(se_dev);
+	if (err) {
+		ERROR("%s: ERR: LP random pattern generation failed\n", __func__);
+		return err;
+	}
+
+	INFO("%s: encrypt random data\n", __func__);
+	/* Encrypt the random data block */
+	err = tegra_se_lp_data_context_save(se_dev,
+		((uint64_t)(&(((tegra_se_context_t *)se_dev->
+					ctx_save_buf)->rand_data))),
+		((uint64_t)(&(((tegra_se_context_t *)se_dev->
+					ctx_save_buf)->rand_data))),
+		SE_CTX_SAVE_RANDOM_DATA_SIZE);
+	if (err) {
+		ERROR("%s: ERR: random pattern encryption failed\n", __func__);
+		return err;
+	}
+
+	INFO("%s: save SE sticky bits\n", __func__);
+	/* Save AES sticky bits context */
+	err = tegra_se_lp_sticky_bits_context_save(se_dev);
+	if (err) {
+		ERROR("%s: ERR: sticky bits context save failed\n", __func__);
+		return err;
+	}
+
+	INFO("%s: save AES keytables\n", __func__);
+	/* Save AES key table context */
+	err = tegra_se_aeskeytable_context_save(se_dev);
+	if (err) {
+		ERROR("%s: ERR: LP keytable save failed\n", __func__);
+		return err;
+	}
+
+	/* RSA key slot table context save */
+	INFO("%s: save RSA keytables\n", __func__);
+	err = tegra_se_lp_rsakeytable_context_save(se_dev);
+	if (err) {
+		ERROR("%s: ERR: rsa key table context save failed\n", __func__);
+		return err;
+	}
+
+	/* Only SE2 has an interface with PKA1; thus, PKA1's context is saved
+	 * via SE2.
+	 */
+	if (se_dev->se_num == 2) {
+		/* Encrypt PKA1 sticky bits on SE2 only */
+		INFO("%s: save PKA sticky bits\n", __func__);
+		err = tegra_se_pkakeytable_sticky_bits_save(se_dev);
+		if (err) {
+			ERROR("%s: ERR: PKA sticky bits context save failed\n", __func__);
+			return err;
+		}
+
+		/* Encrypt PKA1 keyslots on SE2 only */
+		INFO("%s: save PKA keytables\n", __func__);
+		err = tegra_se_pkakeytable_context_save(se_dev);
+		if (err) {
+			ERROR("%s: ERR: PKA key table context save failed\n", __func__);
+			return err;
+		}
+	}
+
+	/* Encrypt known pattern */
+	if (se_dev->se_num == 1) {
+		err = tegra_se_lp_data_context_save(se_dev,
+			((uint64_t)(&se_ctx_known_pattern_data)),
+			((uint64_t)(&(((tegra_se_context_blob_t *)se_dev->ctx_save_buf)->known_pattern))),
+			SE_CTX_KNOWN_PATTERN_SIZE);
+	} else if (se_dev->se_num == 2) {
+		err = tegra_se_lp_data_context_save(se_dev,
+			((uint64_t)(&se_ctx_known_pattern_data)),
+			((uint64_t)(&(((tegra_se2_context_blob_t *)se_dev->ctx_save_buf)->known_pattern))),
+			SE_CTX_KNOWN_PATTERN_SIZE);
+	}
+	if (err) {
+		ERROR("%s: ERR: save LP known pattern failure\n", __func__);
+		return err;
+	}
+
+	/* Write lp context buffer address into PMC scratch register */
+	if (se_dev->se_num == 1) {
+		/* SE context address, support T210 only */
+		mmio_write_32((uint64_t)TEGRA_PMC_BASE + PMC_SCRATCH43_REG_OFFSET,
+				((uint64_t)(se_dev->ctx_save_buf)));
+	} else if (se_dev->se_num == 2) {
+		/* SE2 & PKA1 context address */
+		mmio_write_32((uint64_t)TEGRA_PMC_BASE + PMC_SECURE_SCRATCH116_OFFSET,
+				((uint64_t)(se_dev->ctx_save_buf)));
+	}
+
+	/* Saves SRK to PMC secure scratch registers for BootROM, which
+	 * verifies and restores the security engine context on warm boot.
+	 */
+	err = tegra_se_save_SRK(se_dev);
+	if (err < 0) {
+		ERROR("%s: ERR: LP SRK save failure\n", __func__);
+		return err;
+	}
+
+	INFO("%s: SE context save done \n", __func__);
+
+	return err;
+}
+
+/*
+ * Initialize the SE engine handle
+ */
+void tegra_se_init(void)
+{
+	uint32_t val = 0;
+	INFO("%s: start SE init\n", __func__);
+
+	/* Generate random SRK to initialize DRBG */
+	tegra_se_generate_srk(&se_dev_1);
+
+	if (tegra_chipid_is_t210_b01()) {
+		tegra_se_generate_srk(&se_dev_2);
+	}
+
+	/* determine if ECID is valid */
+	val = mmio_read_32(TEGRA_FUSE_BASE + FUSE_JTAG_SECUREID_VALID);
+	ecid_valid = (val == ECID_VALID);
+
+	INFO("%s: SE init done\n", __func__);
+}
+
+static void tegra_se_enable_clocks(void)
+{
+	uint32_t val = 0;
+
+	/* Enable entropy clock */
+	val = mmio_read_32(TEGRA_CAR_RESET_BASE + TEGRA_CLK_OUT_ENB_W);
+	val |= ENTROPY_CLK_ENB_BIT;
+	mmio_write_32(TEGRA_CAR_RESET_BASE + TEGRA_CLK_OUT_ENB_W, val);
+
+	/* De-Assert Entropy Reset */
+	val = mmio_read_32(TEGRA_CAR_RESET_BASE + TEGRA_RST_DEVICES_W);
+	val &= ~ENTROPY_RESET_BIT;
+	mmio_write_32(TEGRA_CAR_RESET_BASE + TEGRA_RST_DEVICES_W, val);
+
+	/*
+	 * Switch SE clock source to CLK_M, to make sure SE clock
+	 * is on when saving SE context
+	 */
+	mmio_write_32(TEGRA_CAR_RESET_BASE + TEGRA_CLK_RST_CTL_CLK_SRC_SE,
+		SE_CLK_SRC_CLK_M);
+
+	/* Enable SE clock */
+	val = mmio_read_32(TEGRA_CAR_RESET_BASE + TEGRA_CLK_OUT_ENB_V);
+	val |= SE_CLK_ENB_BIT;
+	mmio_write_32(TEGRA_CAR_RESET_BASE + TEGRA_CLK_OUT_ENB_V, val);
+
+	/* De-Assert SE Reset */
+	val = mmio_read_32(TEGRA_CAR_RESET_BASE + TEGRA_RST_DEVICES_V);
+	val &= ~SE_RESET_BIT;
+	mmio_write_32(TEGRA_CAR_RESET_BASE + TEGRA_RST_DEVICES_V, val);
+}
+
+static void tegra_se_disable_clocks(void)
+{
+	uint32_t val = 0;
+
+	/* Disable entropy clock */
+	val = mmio_read_32(TEGRA_CAR_RESET_BASE + TEGRA_CLK_OUT_ENB_W);
+	val &= ~ENTROPY_CLK_ENB_BIT;
+	mmio_write_32(TEGRA_CAR_RESET_BASE + TEGRA_CLK_OUT_ENB_W, val);
+
+	/* Disable SE clock */
+	val = mmio_read_32(TEGRA_CAR_RESET_BASE + TEGRA_CLK_OUT_ENB_V);
+	val &= ~SE_CLK_ENB_BIT;
+	mmio_write_32(TEGRA_CAR_RESET_BASE + TEGRA_CLK_OUT_ENB_V, val);
+}
+
+/*
+ * Security engine power suspend entry point.
+ * This function is invoked from PSCI power domain suspend handler.
+ */
+int32_t tegra_se_suspend(void)
+{
+	int32_t ret = 0;
+	uint32_t val = 0;
+
+	/* SE does not use SMMU in EL3, disable SMMU.
+	 * This will be re-enabled by kernel on resume */
+	val = mmio_read_32(TEGRA_MC_BASE + MC_SMMU_PPCS_ASID_0);
+	val &= ~PPCS_SMMU_ENABLE;
+	mmio_write_32(TEGRA_MC_BASE + MC_SMMU_PPCS_ASID_0, val);
+
+	tegra_se_enable_clocks();
+
+	if (tegra_chipid_is_t210_b01()) {
+		/* It is T210 B01, Atomic context save se2 and pka1 */
+		INFO("%s: SE2/PKA1 atomic context save\n", __func__);
+		ret = tegra_se_context_save_atomic(&se_dev_2);
+		if (ret != 0) {
+			ERROR("%s: SE2 ctx save failed (%d)\n", __func__, ret);
+		}
+
+		ret = tegra_se_context_save_atomic(&se_dev_1);
+		if (ret != 0) {
+			ERROR("%s: SE1 ctx save failed (%d)\n", __func__, ret);
+		}
+	} else {
+		/* It is T210, SW context save se */
+		INFO("%s: SE1 legacy(SW) context save\n", __func__);
+		ret = tegra_se_context_save_sw(&se_dev_1);
+		if (ret != 0) {
+			ERROR("%s: SE1 ctx save failed (%d)\n", __func__, ret);
+		}
+	}
+
+	tegra_se_disable_clocks();
+
+	return ret;
+}
+
+/*
+ * Save TZRAM to shadow TZRAM in AON
+ */
+int32_t tegra_se_save_tzram(void)
+{
+	uint32_t val = 0;
+	int32_t ret = 0;
+	uint32_t timeout;
+
+	INFO("%s: SE TZRAM save start\n", __func__);
+	tegra_se_enable_clocks();
+
+	val = (SE_TZRAM_OP_REQ_INIT | SE_TZRAM_OP_MODE_SAVE);
+	tegra_se_write_32(&se_dev_1, SE_TZRAM_OPERATION, val);
+
+	val = tegra_se_read_32(&se_dev_1, SE_TZRAM_OPERATION);
+	for (timeout = 0; (SE_TZRAM_OP_BUSY(val) == SE_TZRAM_OP_BUSY_ON) &&
+			(timeout < TIMEOUT_100MS); timeout++) {
+		mdelay(1);
+		val = tegra_se_read_32(&se_dev_1, SE_TZRAM_OPERATION);
+	}
+
+	if (timeout == TIMEOUT_100MS) {
+		ERROR("%s: ERR: TZRAM save timeout!\n", __func__);
+		ret = -ETIMEDOUT;
+	}
+
+	if (ret == 0) {
+		INFO("%s: SE TZRAM save done!\n", __func__);
+	}
+
+	tegra_se_disable_clocks();
+
+	return ret;
+}
+
+/*
+ * The function is invoked by SE resume
+ */
+static void tegra_se_warm_boot_resume(const tegra_se_dev_t *se_dev)
+{
+	uint32_t val;
+
+	assert(se_dev);
+
+	/* Lock RNG source to ENTROPY on resume */
+	val = DRBG_RO_ENT_IGNORE_MEM_ENABLE |
+		DRBG_RO_ENT_SRC_LOCK_ENABLE |
+		DRBG_RO_ENT_SRC_ENABLE;
+	tegra_se_write_32(se_dev, SE_RNG_SRC_CONFIG_REG_OFFSET, val);
+
+	/* Set a random value to SRK to initialize DRBG */
+	tegra_se_generate_srk(se_dev);
+}
+
+/*
+ * The function is invoked on SC7 resume
+ */
+void tegra_se_resume(void)
+{
+	tegra_se_warm_boot_resume(&se_dev_1);
+
+	if (tegra_chipid_is_t210_b01()) {
+		tegra_se_warm_boot_resume(&se_dev_2);
+	}
+}
diff --git a/plat/nvidia/tegra/soc/t210/plat_psci_handlers.c b/plat/nvidia/tegra/soc/t210/plat_psci_handlers.c
new file mode 100644
index 0000000..7f73ea5
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t210/plat_psci_handlers.c
@@ -0,0 +1,609 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <cortex_a57.h>
+#include <arch_helpers.h>
+#include <common/debug.h>
+#include <drivers/delay_timer.h>
+#include <lib/mmio.h>
+#include <lib/psci/psci.h>
+#include <plat/common/platform.h>
+
+#include <bpmp.h>
+#include <flowctrl.h>
+#include <lib/utils.h>
+#include <memctrl.h>
+#include <pmc.h>
+#include <platform_def.h>
+#include <security_engine.h>
+#include <tegra_def.h>
+#include <tegra_private.h>
+#include <tegra_platform.h>
+
+/*
+ * Register used to clear CPU reset signals. Each CPU has two reset
+ * signals: CPU reset (3:0) and Core reset (19:16).
+ */
+#define CPU_CMPLX_RESET_CLR		0x454
+#define CPU_CORE_RESET_MASK		0x10001
+
+/* Clock and Reset controller registers for system clock's settings */
+#define SCLK_RATE			0x30
+#define SCLK_BURST_POLICY		0x28
+#define SCLK_BURST_POLICY_DEFAULT	0x10000000
+
+static int cpu_powergate_mask[PLATFORM_MAX_CPUS_PER_CLUSTER];
+static bool tegra_bpmp_available = true;
+
+int32_t tegra_soc_validate_power_state(unsigned int power_state,
+					psci_power_state_t *req_state)
+{
+	int state_id = psci_get_pstate_id(power_state);
+	const plat_params_from_bl2_t *plat_params = bl31_get_plat_params();
+
+	/* Sanity check the requested state id */
+	switch (state_id) {
+	case PSTATE_ID_CORE_POWERDN:
+		/*
+		 * Core powerdown request only for afflvl 0
+		 */
+		req_state->pwr_domain_state[MPIDR_AFFLVL0] = state_id & 0xff;
+
+		break;
+
+	case PSTATE_ID_CLUSTER_IDLE:
+
+		/*
+		 * Cluster idle request for afflvl 0
+		 */
+		req_state->pwr_domain_state[MPIDR_AFFLVL0] = PSTATE_ID_CORE_POWERDN;
+		req_state->pwr_domain_state[MPIDR_AFFLVL1] = state_id;
+		break;
+
+	case PSTATE_ID_SOC_POWERDN:
+
+		/*
+		 * sc7entry-fw must be present in the system when the bpmp
+		 * firmware is not present, for a successful System Suspend
+		 * entry.
+		 */
+		if (!tegra_bpmp_init() && !plat_params->sc7entry_fw_base)
+			return PSCI_E_NOT_SUPPORTED;
+
+		/*
+		 * System powerdown request only for afflvl 2
+		 */
+		for (uint32_t i = MPIDR_AFFLVL0; i < PLAT_MAX_PWR_LVL; i++)
+			req_state->pwr_domain_state[i] = PLAT_MAX_OFF_STATE;
+
+		req_state->pwr_domain_state[PLAT_MAX_PWR_LVL] =
+			PLAT_SYS_SUSPEND_STATE_ID;
+
+		break;
+
+	default:
+		ERROR("%s: unsupported state id (%d)\n", __func__, state_id);
+		return PSCI_E_INVALID_PARAMS;
+	}
+
+	return PSCI_E_SUCCESS;
+}
+
+/*******************************************************************************
+ * Platform handler to calculate the proper target power level at the
+ * specified affinity level.
+ ******************************************************************************/
+plat_local_state_t tegra_soc_get_target_pwr_state(unsigned int lvl,
+					     const plat_local_state_t *states,
+					     unsigned int ncpu)
+{
+	plat_local_state_t target = PSCI_LOCAL_STATE_RUN;
+	int cpu = plat_my_core_pos();
+	int core_pos = read_mpidr() & MPIDR_CPU_MASK;
+	uint32_t bpmp_reply, data[3], val;
+	int ret;
+
+	/* get the power state at this level */
+	if (lvl == MPIDR_AFFLVL1)
+		target = *(states + core_pos);
+	if (lvl == MPIDR_AFFLVL2)
+		target = *(states + cpu);
+
+	if ((lvl == MPIDR_AFFLVL1) && (target == PSTATE_ID_CLUSTER_IDLE)) {
+
+		/* initialize the bpmp interface */
+		ret = tegra_bpmp_init();
+		if (ret != 0U) {
+
+			/*
+			 * flag to indicate that BPMP firmware is not
+			 * available and the CPU has to handle entry/exit
+			 * for all power states
+			 */
+			tegra_bpmp_available = false;
+
+			/* Cluster idle not allowed */
+			target = PSCI_LOCAL_STATE_RUN;
+
+			/*******************************************
+			 * BPMP is not present, so handle CC6 entry
+			 * from the CPU
+			 ******************************************/
+
+			/* check if cluster idle state has been enabled */
+			val = mmio_read_32(TEGRA_CL_DVFS_BASE + DVFS_DFLL_CTRL);
+			if (val == ENABLE_CLOSED_LOOP) {
+				/*
+				 * Acquire the cluster idle lock to stop
+				 * other CPUs from powering up.
+				 */
+				tegra_fc_ccplex_pgexit_lock();
+
+				/* Cluster idle only from the last standing CPU */
+				if (tegra_pmc_is_last_on_cpu() && tegra_fc_is_ccx_allowed()) {
+					/* Cluster idle allowed */
+					target = PSTATE_ID_CLUSTER_IDLE;
+				} else {
+					/* release cluster idle lock */
+					tegra_fc_ccplex_pgexit_unlock();
+				}
+			}
+		} else {
+
+			/* Cluster power-down */
+			data[0] = (uint32_t)cpu;
+			data[1] = TEGRA_PM_CC6;
+			data[2] = TEGRA_PM_SC1;
+			ret = tegra_bpmp_send_receive_atomic(MRQ_DO_IDLE,
+					(void *)&data, (int)sizeof(data),
+					(void *)&bpmp_reply,
+					(int)sizeof(bpmp_reply));
+
+			/* check if cluster power down is allowed */
+			if ((ret != 0L) || (bpmp_reply != BPMP_CCx_ALLOWED)) {
+
+				/* Cluster power down not allowed */
+				target = PSCI_LOCAL_STATE_RUN;
+			}
+		}
+
+	} else if (((lvl == MPIDR_AFFLVL2) || (lvl == MPIDR_AFFLVL1)) &&
+	    (target == PSTATE_ID_SOC_POWERDN)) {
+
+		/* System Suspend */
+		target = PSTATE_ID_SOC_POWERDN;
+
+	} else {
+		; /* do nothing */
+	}
+
+	return target;
+}
+
+int32_t tegra_soc_cpu_standby(plat_local_state_t cpu_state)
+{
+	(void)cpu_state;
+	return PSCI_E_SUCCESS;
+}
+
+int tegra_soc_pwr_domain_suspend(const psci_power_state_t *target_state)
+{
+	u_register_t mpidr = read_mpidr();
+	const plat_local_state_t *pwr_domain_state =
+		target_state->pwr_domain_state;
+	unsigned int stateid_afflvl2 = pwr_domain_state[MPIDR_AFFLVL2];
+	unsigned int stateid_afflvl1 = pwr_domain_state[MPIDR_AFFLVL1];
+	unsigned int stateid_afflvl0 = pwr_domain_state[MPIDR_AFFLVL0];
+	uint32_t cfg;
+	int ret = PSCI_E_SUCCESS;
+	uint32_t val;
+
+	if (stateid_afflvl2 == PSTATE_ID_SOC_POWERDN) {
+
+		assert((stateid_afflvl0 == PLAT_MAX_OFF_STATE) ||
+			(stateid_afflvl0 == PSTATE_ID_SOC_POWERDN));
+		assert((stateid_afflvl1 == PLAT_MAX_OFF_STATE) ||
+			(stateid_afflvl1 == PSTATE_ID_SOC_POWERDN));
+
+		/* Suspend se/se2 and pka1 for T210 B01 and se for T210 */
+		if (tegra_se_suspend() != 0) {
+			ret = PSCI_E_INTERN_FAIL;
+		}
+
+	} else if (stateid_afflvl1 == PSTATE_ID_CLUSTER_IDLE) {
+
+		assert(stateid_afflvl0 == PSTATE_ID_CORE_POWERDN);
+
+		if (!tegra_bpmp_available) {
+
+			/*
+			 * When disabled, DFLL loses its state. Enable
+			 * open loop state for the DFLL as we dont want
+			 * garbage values being written to the pmic
+			 * when we enter cluster idle state.
+			 */
+			mmio_write_32(TEGRA_CL_DVFS_BASE + DVFS_DFLL_CTRL,
+				      ENABLE_OPEN_LOOP);
+
+			/* Find if the platform uses OVR2/MAX77621 PMIC */
+			cfg = mmio_read_32(TEGRA_CL_DVFS_BASE + DVFS_DFLL_OUTPUT_CFG);
+			if (cfg & DFLL_OUTPUT_CFG_CLK_EN_BIT) {
+				/* OVR2 */
+
+				/* PWM tristate */
+				val = mmio_read_32(TEGRA_MISC_BASE + PINMUX_AUX_DVFS_PWM);
+				val |= PINMUX_PWM_TRISTATE;
+				mmio_write_32(TEGRA_MISC_BASE + PINMUX_AUX_DVFS_PWM, val);
+
+				/*
+				 * SCRATCH201[1] is being used to identify CPU
+				 * PMIC in warmboot code.
+				 * 0 : OVR2
+				 * 1 : MAX77621
+				 */
+				tegra_pmc_write_32(PMC_SCRATCH201, 0x0);
+			} else {
+				/* MAX77621 */
+				tegra_pmc_write_32(PMC_SCRATCH201, 0x2);
+			}
+		}
+
+		/* Prepare for cluster idle */
+		tegra_fc_cluster_idle(mpidr);
+
+	} else if (stateid_afflvl0 == PSTATE_ID_CORE_POWERDN) {
+
+		/* Prepare for cpu powerdn */
+		tegra_fc_cpu_powerdn(mpidr);
+
+	} else {
+		ERROR("%s: Unknown state id (%d, %d, %d)\n", __func__,
+			stateid_afflvl2, stateid_afflvl1, stateid_afflvl0);
+		ret = PSCI_E_NOT_SUPPORTED;
+	}
+
+	return ret;
+}
+
+static void tegra_reset_all_dma_masters(void)
+{
+	uint32_t val, mask;
+
+	/*
+	 * Reset all possible DMA masters in the system.
+	 */
+	val = GPU_RESET_BIT;
+	mmio_write_32(TEGRA_CAR_RESET_BASE + TEGRA_GPU_RESET_REG_OFFSET, val);
+
+	val = NVENC_RESET_BIT | TSECB_RESET_BIT | APE_RESET_BIT |
+	      NVJPG_RESET_BIT | NVDEC_RESET_BIT;
+	mmio_write_32(TEGRA_CAR_RESET_BASE + TEGRA_RST_DEV_SET_Y, val);
+
+	val = HOST1X_RESET_BIT | ISP_RESET_BIT | USBD_RESET_BIT |
+	      VI_RESET_BIT | SDMMC4_RESET_BIT | SDMMC1_RESET_BIT |
+	      SDMMC2_RESET_BIT;
+	mmio_write_32(TEGRA_CAR_RESET_BASE + TEGRA_RST_DEV_SET_L, val);
+
+	val = USB2_RESET_BIT | APBDMA_RESET_BIT | AHBDMA_RESET_BIT;
+	mmio_write_32(TEGRA_CAR_RESET_BASE + TEGRA_RST_DEV_SET_H, val);
+
+	val = XUSB_DEV_RESET_BIT | XUSB_HOST_RESET_BIT | TSEC_RESET_BIT |
+	      PCIE_RESET_BIT | SDMMC3_RESET_BIT;
+	mmio_write_32(TEGRA_CAR_RESET_BASE + TEGRA_RST_DEV_SET_U, val);
+
+	val = SE_RESET_BIT | HDA_RESET_BIT | SATA_RESET_BIT;
+	mmio_write_32(TEGRA_CAR_RESET_BASE + TEGRA_RST_DEV_SET_V, val);
+
+	/*
+	 * If any of the DMA masters are still alive, assume
+	 * that the system has been compromised and reboot.
+	 */
+	val = mmio_read_32(TEGRA_CAR_RESET_BASE + TEGRA_GPU_RESET_REG_OFFSET);
+	mask = GPU_RESET_BIT;
+	if ((val & mask) != mask)
+		tegra_pmc_system_reset();
+
+	mask = NVENC_RESET_BIT | TSECB_RESET_BIT | APE_RESET_BIT |
+	      NVJPG_RESET_BIT | NVDEC_RESET_BIT;
+	val = mmio_read_32(TEGRA_CAR_RESET_BASE + TEGRA_RST_DEV_SET_Y);
+	if ((val & mask) != mask)
+		tegra_pmc_system_reset();
+
+	mask = HOST1X_RESET_BIT | ISP_RESET_BIT | USBD_RESET_BIT |
+	       VI_RESET_BIT | SDMMC4_RESET_BIT | SDMMC1_RESET_BIT |
+	       SDMMC2_RESET_BIT;
+	val = mmio_read_32(TEGRA_CAR_RESET_BASE + TEGRA_RST_DEV_SET_L);
+	if ((val & mask) != mask)
+		tegra_pmc_system_reset();
+
+	mask = USB2_RESET_BIT | APBDMA_RESET_BIT | AHBDMA_RESET_BIT;
+	val = mmio_read_32(TEGRA_CAR_RESET_BASE + TEGRA_RST_DEV_SET_H);
+	if ((val & mask) != mask)
+		tegra_pmc_system_reset();
+
+	mask = XUSB_DEV_RESET_BIT | XUSB_HOST_RESET_BIT | TSEC_RESET_BIT |
+	       PCIE_RESET_BIT | SDMMC3_RESET_BIT;
+	val = mmio_read_32(TEGRA_CAR_RESET_BASE + TEGRA_RST_DEV_SET_U);
+	if ((val & mask) != mask)
+		tegra_pmc_system_reset();
+
+	val = mmio_read_32(TEGRA_CAR_RESET_BASE + TEGRA_RST_DEV_SET_V);
+	mask = SE_RESET_BIT | HDA_RESET_BIT | SATA_RESET_BIT;
+	if ((val & mask) != mask)
+		tegra_pmc_system_reset();
+}
+
+int tegra_soc_pwr_domain_power_down_wfi(const psci_power_state_t *target_state)
+{
+	u_register_t mpidr = read_mpidr();
+	const plat_local_state_t *pwr_domain_state =
+		target_state->pwr_domain_state;
+	unsigned int stateid_afflvl2 = pwr_domain_state[PLAT_MAX_PWR_LVL];
+	const plat_params_from_bl2_t *plat_params = bl31_get_plat_params();
+	uint32_t val;
+
+	if (stateid_afflvl2 == PSTATE_ID_SOC_POWERDN) {
+
+		if (tegra_chipid_is_t210_b01()) {
+			/* Save tzram contents */
+			tegra_se_save_tzram();
+		}
+
+		/* de-init the interface */
+		tegra_bpmp_suspend();
+
+		/*
+		 * The CPU needs to load the System suspend entry firmware
+		 * if nothing is running on the BPMP.
+		 */
+		if (!tegra_bpmp_available) {
+
+			/*
+			 * BPMP firmware is not running on the co-processor, so
+			 * we need to explicitly load the firmware to enable
+			 * entry/exit to/from System Suspend and set the BPMP
+			 * on its way.
+			 */
+
+			/* Power off BPMP before we proceed */
+			tegra_fc_bpmp_off();
+
+			/* bond out IRAM banks B, C and D */
+			mmio_write_32(TEGRA_CAR_RESET_BASE + TEGRA_BOND_OUT_U,
+				IRAM_B_LOCK_BIT | IRAM_C_LOCK_BIT |
+				IRAM_D_LOCK_BIT);
+
+			/* bond out APB/AHB DMAs */
+			mmio_write_32(TEGRA_CAR_RESET_BASE + TEGRA_BOND_OUT_H,
+				APB_DMA_LOCK_BIT | AHB_DMA_LOCK_BIT);
+
+			/* Power off BPMP before we proceed */
+			tegra_fc_bpmp_off();
+
+			/*
+			 * Reset all the hardware blocks that can act as DMA
+			 * masters on the bus.
+			 */
+			tegra_reset_all_dma_masters();
+
+			/*
+			 * Mark PMC as accessible to the non-secure world
+			 * to allow the COP to execute System Suspend
+			 * sequence
+			 */
+			val = mmio_read_32(TEGRA_MISC_BASE + APB_SLAVE_SECURITY_ENABLE);
+			val &= ~PMC_SECURITY_EN_BIT;
+			mmio_write_32(TEGRA_MISC_BASE + APB_SLAVE_SECURITY_ENABLE, val);
+
+			/* clean up IRAM of any cruft */
+			zeromem((void *)(uintptr_t)TEGRA_IRAM_BASE,
+					TEGRA_IRAM_A_SIZE);
+
+			/* Copy the firmware to BPMP's internal RAM */
+			(void)memcpy((void *)(uintptr_t)TEGRA_IRAM_BASE,
+				(const void *)(plat_params->sc7entry_fw_base + SC7ENTRY_FW_HEADER_SIZE_BYTES),
+				plat_params->sc7entry_fw_size - SC7ENTRY_FW_HEADER_SIZE_BYTES);
+
+			/* Power on the BPMP and execute from IRAM base */
+			tegra_fc_bpmp_on(TEGRA_IRAM_BASE);
+
+			/* Wait until BPMP powers up */
+			do {
+				val = mmio_read_32(TEGRA_RES_SEMA_BASE + STA_OFFSET);
+			} while (val != SIGN_OF_LIFE);
+		}
+
+		/* enter system suspend */
+		tegra_fc_soc_powerdn(mpidr);
+	}
+
+	return PSCI_E_SUCCESS;
+}
+
+int32_t tegra_soc_pwr_domain_suspend_pwrdown_early(const psci_power_state_t *target_state)
+{
+	return PSCI_E_NOT_SUPPORTED;
+}
+
+int tegra_soc_pwr_domain_on_finish(const psci_power_state_t *target_state)
+{
+	const plat_params_from_bl2_t *plat_params = bl31_get_plat_params();
+	uint32_t cfg;
+	uint32_t val, entrypoint = 0;
+	uint64_t offset;
+
+	/* platform parameter passed by the previous bootloader */
+	if (plat_params->l2_ecc_parity_prot_dis != 1) {
+		/* Enable ECC Parity Protection for Cortex-A57 CPUs */
+		val = read_l2ctlr_el1();
+		val |= (uint64_t)CORTEX_A57_L2_ECC_PARITY_PROTECTION_BIT;
+		write_l2ctlr_el1(val);
+	}
+
+	/*
+	 * Check if we are exiting from SOC_POWERDN.
+	 */
+	if (target_state->pwr_domain_state[PLAT_MAX_PWR_LVL] ==
+			PLAT_SYS_SUSPEND_STATE_ID) {
+
+		/*
+		 * Security engine resume
+		 */
+		if (tegra_chipid_is_t210_b01()) {
+			tegra_se_resume();
+		}
+
+		/*
+		 * Lock scratch registers which hold the CPU vectors
+		 */
+		tegra_pmc_lock_cpu_vectors();
+
+		/*
+		 * Enable WRAP to INCR burst type conversions for
+		 * incoming requests on the AXI slave ports.
+		 */
+		val = mmio_read_32(TEGRA_MSELECT_BASE + MSELECT_CONFIG);
+		val &= ~ENABLE_UNSUP_TX_ERRORS;
+		val |= ENABLE_WRAP_TO_INCR_BURSTS;
+		mmio_write_32(TEGRA_MSELECT_BASE + MSELECT_CONFIG, val);
+
+		/*
+		 * Restore Boot and Power Management Processor (BPMP) reset
+		 * address and reset it, if it is supported by the platform.
+		 */
+		if (!tegra_bpmp_available) {
+			tegra_fc_bpmp_off();
+		} else {
+			entrypoint = tegra_pmc_read_32(PMC_SCRATCH39);
+			tegra_fc_bpmp_on(entrypoint);
+
+			/* initialise the interface */
+			tegra_bpmp_resume();
+		}
+
+		if (plat_params->sc7entry_fw_base != 0U) {
+			/* sc7entry-fw is part of TZDRAM area */
+			offset = plat_params->tzdram_base - plat_params->sc7entry_fw_base;
+			tegra_memctrl_tzdram_setup(plat_params->sc7entry_fw_base,
+				plat_params->tzdram_size + offset);
+		}
+
+		if (!tegra_chipid_is_t210_b01()) {
+			/* restrict PMC access to secure world */
+			val = mmio_read_32(TEGRA_MISC_BASE + APB_SLAVE_SECURITY_ENABLE);
+			val |= PMC_SECURITY_EN_BIT;
+			mmio_write_32(TEGRA_MISC_BASE + APB_SLAVE_SECURITY_ENABLE, val);
+		}
+	}
+
+	/*
+	 * Check if we are exiting cluster idle state
+	 */
+	if (target_state->pwr_domain_state[MPIDR_AFFLVL1] ==
+			PSTATE_ID_CLUSTER_IDLE) {
+
+		if (!tegra_bpmp_available) {
+
+			/* PWM un-tristate */
+			cfg = mmio_read_32(TEGRA_CL_DVFS_BASE + DVFS_DFLL_OUTPUT_CFG);
+			if (cfg & DFLL_OUTPUT_CFG_CLK_EN_BIT) {
+				val = mmio_read_32(TEGRA_MISC_BASE + PINMUX_AUX_DVFS_PWM);
+				val &= ~PINMUX_PWM_TRISTATE;
+				mmio_write_32(TEGRA_MISC_BASE + PINMUX_AUX_DVFS_PWM, val);
+
+				/* make sure the setting took effect */
+				val = mmio_read_32(TEGRA_MISC_BASE + PINMUX_AUX_DVFS_PWM);
+				assert((val & PINMUX_PWM_TRISTATE) == 0U);
+			}
+
+			/*
+			 * Restore operation mode for the DFLL ring
+			 * oscillator
+			 */
+			mmio_write_32(TEGRA_CL_DVFS_BASE + DVFS_DFLL_CTRL,
+				      ENABLE_CLOSED_LOOP);
+
+			/* release cluster idle lock */
+			tegra_fc_ccplex_pgexit_unlock();
+		}
+	}
+
+	/*
+	 * Mark this CPU as ON in the cpu_powergate_mask[],
+	 * so that we use Flow Controller for all subsequent
+	 * power ups.
+	 */
+	cpu_powergate_mask[plat_my_core_pos()] = 1;
+
+	/*
+	 * T210 has a dedicated ARMv7 boot and power mgmt processor, BPMP. It's
+	 * used for power management and boot purposes. Inform the BPMP that
+	 * we have completed the cluster power up.
+	 */
+	tegra_fc_lock_active_cluster();
+
+	/*
+	 * Resume PMC hardware block for Tegra210 platforms
+	 */
+	if (!tegra_chipid_is_t210_b01()) {
+		tegra_pmc_resume();
+	}
+
+	return PSCI_E_SUCCESS;
+}
+
+int tegra_soc_pwr_domain_on(u_register_t mpidr)
+{
+	int cpu = mpidr & MPIDR_CPU_MASK;
+	uint32_t mask = CPU_CORE_RESET_MASK << cpu;
+
+	/* Deassert CPU reset signals */
+	mmio_write_32(TEGRA_CAR_RESET_BASE + CPU_CMPLX_RESET_CLR, mask);
+
+	/* Turn on CPU using flow controller or PMC */
+	if (cpu_powergate_mask[cpu] == 0) {
+		tegra_pmc_cpu_on(cpu);
+	} else {
+		tegra_fc_cpu_on(cpu);
+	}
+
+	return PSCI_E_SUCCESS;
+}
+
+int tegra_soc_pwr_domain_off(const psci_power_state_t *target_state)
+{
+	tegra_fc_cpu_off(read_mpidr() & MPIDR_CPU_MASK);
+	return PSCI_E_SUCCESS;
+}
+
+int tegra_soc_prepare_system_reset(void)
+{
+	/*
+	 * Set System Clock (SCLK) to POR default so that the clock source
+	 * for the PMC APB clock would not be changed due to system reset.
+	 */
+	mmio_write_32((uintptr_t)TEGRA_CAR_RESET_BASE + SCLK_BURST_POLICY,
+		SCLK_BURST_POLICY_DEFAULT);
+	mmio_write_32((uintptr_t)TEGRA_CAR_RESET_BASE + SCLK_RATE, 0);
+
+	/* Wait 1 ms to make sure clock source/device logic is stabilized. */
+	mdelay(1);
+
+	/*
+	 * Program the PMC in order to restart the system.
+	 */
+	tegra_pmc_system_reset();
+
+	return PSCI_E_SUCCESS;
+}
+
+__dead2 void tegra_soc_prepare_system_off(void)
+{
+	ERROR("Tegra System Off: operation not handled.\n");
+	panic();
+}
diff --git a/plat/nvidia/tegra/soc/t210/plat_secondary.c b/plat/nvidia/tegra/soc/t210/plat_secondary.c
new file mode 100644
index 0000000..e0242cf
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t210/plat_secondary.c
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <common/debug.h>
+#include <lib/mmio.h>
+
+#include <pmc.h>
+#include <tegra_def.h>
+
+#define SB_CSR				0x0
+#define  SB_CSR_NS_RST_VEC_WR_DIS	(1 << 1)
+
+/* CPU reset vector */
+#define SB_AA64_RESET_LOW		0x30	/* width = 31:0 */
+#define SB_AA64_RESET_HI		0x34	/* width = 11:0 */
+
+extern void tegra_secure_entrypoint(void);
+
+/*******************************************************************************
+ * Setup secondary CPU vectors
+ ******************************************************************************/
+void plat_secondary_setup(void)
+{
+	uint32_t val;
+	uint64_t reset_addr = (uint64_t)tegra_secure_entrypoint;
+
+	INFO("Setting up secondary CPU boot\n");
+
+	/* setup secondary CPU vector */
+	mmio_write_32(TEGRA_SB_BASE + SB_AA64_RESET_LOW,
+			(reset_addr & 0xFFFFFFFF) | 1);
+	val = reset_addr >> 32;
+	mmio_write_32(TEGRA_SB_BASE + SB_AA64_RESET_HI, val & 0x7FF);
+
+	/* configure PMC */
+	tegra_pmc_cpu_setup(reset_addr);
+	tegra_pmc_lock_cpu_vectors();
+}
diff --git a/plat/nvidia/tegra/soc/t210/plat_setup.c b/plat/nvidia/tegra/soc/t210/plat_setup.c
new file mode 100644
index 0000000..68cd38e
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t210/plat_setup.c
@@ -0,0 +1,318 @@
+/*
+ * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <assert.h>
+#include <cortex_a57.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <common/interrupt_props.h>
+#include <drivers/console.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+#include <drivers/arm/gic_common.h>
+#include <drivers/arm/gicv2.h>
+#include <bl31/interrupt_mgmt.h>
+
+#include <bpmp.h>
+#include <flowctrl.h>
+#include <memctrl.h>
+#include <plat/common/platform.h>
+#include <security_engine.h>
+#include <tegra_def.h>
+#include <tegra_platform.h>
+#include <tegra_private.h>
+
+/* sets of MMIO ranges setup */
+#define MMIO_RANGE_0_ADDR	0x50000000
+#define MMIO_RANGE_1_ADDR	0x60000000
+#define MMIO_RANGE_2_ADDR	0x70000000
+#define MMIO_RANGE_SIZE		0x200000
+
+/*
+ * Table of regions to map using the MMU.
+ */
+static const mmap_region_t tegra_mmap[] = {
+	MAP_REGION_FLAT(TEGRA_IRAM_BASE, 0x40000, /* 256KB */
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(MMIO_RANGE_0_ADDR, MMIO_RANGE_SIZE,
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(MMIO_RANGE_1_ADDR, MMIO_RANGE_SIZE,
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(MMIO_RANGE_2_ADDR, MMIO_RANGE_SIZE,
+			MT_DEVICE | MT_RW | MT_SECURE),
+	{0}
+};
+
+/*******************************************************************************
+ * Set up the pagetables as per the platform memory map & initialize the MMU
+ ******************************************************************************/
+const mmap_region_t *plat_get_mmio_map(void)
+{
+	/* Add the map region for security engine SE2 */
+	if (tegra_chipid_is_t210_b01()) {
+		mmap_add_region((uint64_t)TEGRA_SE2_BASE,
+				(uint64_t)TEGRA_SE2_BASE,
+				(uint64_t)TEGRA_SE2_RANGE_SIZE,
+				MT_DEVICE | MT_RW | MT_SECURE);
+	}
+
+	/* MMIO space */
+	return tegra_mmap;
+}
+
+/*******************************************************************************
+ * The Tegra power domain tree has a single system level power domain i.e. a
+ * single root node. The first entry in the power domain descriptor specifies
+ * the number of power domains at the highest power level.
+ *******************************************************************************
+ */
+const unsigned char tegra_power_domain_tree_desc[] = {
+	/* No of root nodes */
+	1,
+	/* No of clusters */
+	PLATFORM_CLUSTER_COUNT,
+	/* No of CPU cores - cluster0 */
+	PLATFORM_MAX_CPUS_PER_CLUSTER,
+	/* No of CPU cores - cluster1 */
+	PLATFORM_MAX_CPUS_PER_CLUSTER
+};
+
+/*******************************************************************************
+ * This function returns the Tegra default topology tree information.
+ ******************************************************************************/
+const unsigned char *plat_get_power_domain_tree_desc(void)
+{
+	return tegra_power_domain_tree_desc;
+}
+
+/*******************************************************************************
+ * Handler to get the System Counter Frequency
+ ******************************************************************************/
+unsigned int plat_get_syscnt_freq2(void)
+{
+	return 19200000;
+}
+
+/*******************************************************************************
+ * Maximum supported UART controllers
+ ******************************************************************************/
+#define TEGRA210_MAX_UART_PORTS		5
+
+/*******************************************************************************
+ * This variable holds the UART port base addresses
+ ******************************************************************************/
+static uint32_t tegra210_uart_addresses[TEGRA210_MAX_UART_PORTS + 1] = {
+	0,	/* undefined - treated as an error case */
+	TEGRA_UARTA_BASE,
+	TEGRA_UARTB_BASE,
+	TEGRA_UARTC_BASE,
+	TEGRA_UARTD_BASE,
+	TEGRA_UARTE_BASE,
+};
+
+/*******************************************************************************
+ * Enable console corresponding to the console ID
+ ******************************************************************************/
+void plat_enable_console(int32_t id)
+{
+	static console_t uart_console;
+	uint32_t console_clock;
+
+	if ((id > 0) && (id < TEGRA210_MAX_UART_PORTS)) {
+		/*
+		 * Reference clock used by the FPGAs is a lot slower.
+		 */
+		if (tegra_platform_is_fpga()) {
+			console_clock = TEGRA_BOOT_UART_CLK_13_MHZ;
+		} else {
+			console_clock = TEGRA_BOOT_UART_CLK_408_MHZ;
+		}
+
+		(void)console_16550_register(tegra210_uart_addresses[id],
+					     console_clock,
+					     TEGRA_CONSOLE_BAUDRATE,
+					     &uart_console);
+		console_set_scope(&uart_console, CONSOLE_FLAG_BOOT |
+			CONSOLE_FLAG_RUNTIME | CONSOLE_FLAG_CRASH);
+	}
+}
+
+/*******************************************************************************
+ * Return pointer to the BL31 params from previous bootloader
+ ******************************************************************************/
+struct tegra_bl31_params *plat_get_bl31_params(void)
+{
+	return NULL;
+}
+
+/*******************************************************************************
+ * Return pointer to the BL31 platform params from previous bootloader
+ ******************************************************************************/
+plat_params_from_bl2_t *plat_get_bl31_plat_params(void)
+{
+	return NULL;
+}
+
+/*******************************************************************************
+ * Handler for early platform setup
+ ******************************************************************************/
+void plat_early_platform_setup(void)
+{
+	const plat_params_from_bl2_t *plat_params = bl31_get_plat_params();
+	uint64_t val;
+
+	/* Verify chip id is t210 */
+	assert(tegra_chipid_is_t210());
+
+	/*
+	 * Do initial security configuration to allow DRAM/device access.
+	 */
+	tegra_memctrl_tzdram_setup(plat_params->tzdram_base,
+			(uint32_t)plat_params->tzdram_size);
+
+	/* platform parameter passed by the previous bootloader */
+	if (plat_params->l2_ecc_parity_prot_dis != 1) {
+		/* Enable ECC Parity Protection for Cortex-A57 CPUs */
+		val = read_l2ctlr_el1();
+		val |= (uint64_t)CORTEX_A57_L2_ECC_PARITY_PROTECTION_BIT;
+		write_l2ctlr_el1(val);
+	}
+
+	/* Initialize security engine driver */
+	tegra_se_init();
+}
+
+/* Secure IRQs for Tegra186 */
+static const interrupt_prop_t tegra210_interrupt_props[] = {
+	INTR_PROP_DESC(TEGRA_SDEI_SGI_PRIVATE, PLAT_SDEI_CRITICAL_PRI,
+			GICV2_INTR_GROUP0, GIC_INTR_CFG_EDGE),
+	INTR_PROP_DESC(TEGRA210_TIMER1_IRQ, PLAT_TEGRA_WDT_PRIO,
+			GICV2_INTR_GROUP0, GIC_INTR_CFG_EDGE),
+	INTR_PROP_DESC(TEGRA210_WDT_CPU_LEGACY_FIQ, PLAT_TEGRA_WDT_PRIO,
+			GICV2_INTR_GROUP0, GIC_INTR_CFG_EDGE),
+};
+
+/*******************************************************************************
+ * Handler for late platform setup
+ ******************************************************************************/
+void plat_late_platform_setup(void)
+{
+	const plat_params_from_bl2_t *plat_params = bl31_get_plat_params();
+	uint64_t sc7entry_end, offset;
+	int ret;
+	uint32_t val;
+
+	/* memmap TZDRAM area containing the SC7 Entry Firmware */
+	if (plat_params->sc7entry_fw_base && plat_params->sc7entry_fw_size) {
+
+		assert(plat_params->sc7entry_fw_size <= TEGRA_IRAM_A_SIZE);
+
+		/*
+		 * Verify that the SC7 entry firmware resides inside the TZDRAM
+		 * aperture, _before_ the BL31 code and the start address is
+		 * exactly 1MB from BL31 base.
+		 */
+
+		/* sc7entry-fw must be _before_ BL31 base */
+		assert(plat_params->tzdram_base > plat_params->sc7entry_fw_base);
+
+		sc7entry_end = plat_params->sc7entry_fw_base +
+			       plat_params->sc7entry_fw_size;
+		assert(sc7entry_end < plat_params->tzdram_base);
+
+		/* sc7entry-fw start must be exactly 1MB behind BL31 base */
+		offset = plat_params->tzdram_base - plat_params->sc7entry_fw_base;
+		assert(offset == 0x100000);
+
+		/* secure TZDRAM area */
+		tegra_memctrl_tzdram_setup(plat_params->sc7entry_fw_base,
+			plat_params->tzdram_size + offset);
+
+		/* power off BPMP processor until SC7 entry */
+		tegra_fc_bpmp_off();
+
+		/* memmap SC7 entry firmware code */
+		ret = mmap_add_dynamic_region(plat_params->sc7entry_fw_base,
+				plat_params->sc7entry_fw_base,
+				plat_params->sc7entry_fw_size,
+				MT_SECURE | MT_RO_DATA);
+		assert(ret == 0);
+
+		/* restrict PMC access to secure world */
+		val = mmio_read_32(TEGRA_MISC_BASE + APB_SLAVE_SECURITY_ENABLE);
+		val |= PMC_SECURITY_EN_BIT;
+		mmio_write_32(TEGRA_MISC_BASE + APB_SLAVE_SECURITY_ENABLE, val);
+	}
+
+	if (!tegra_chipid_is_t210_b01()) {
+		/* restrict PMC access to secure world */
+		val = mmio_read_32(TEGRA_MISC_BASE + APB_SLAVE_SECURITY_ENABLE);
+		val |= PMC_SECURITY_EN_BIT;
+		mmio_write_32(TEGRA_MISC_BASE + APB_SLAVE_SECURITY_ENABLE, val);
+	}
+}
+
+/*******************************************************************************
+ * Initialize the GIC and SGIs
+ ******************************************************************************/
+void plat_gic_setup(void)
+{
+	tegra_gic_setup(tegra210_interrupt_props, ARRAY_SIZE(tegra210_interrupt_props));
+	tegra_gic_init();
+
+	/* Enable handling for FIQs */
+	tegra_fiq_handler_setup();
+
+	/*
+	 * Enable routing watchdog FIQs from the flow controller to
+	 * the GICD.
+	 */
+	tegra_fc_enable_fiq_to_ccplex_routing();
+}
+/*******************************************************************************
+ * Handler to indicate support for System Suspend
+ ******************************************************************************/
+bool plat_supports_system_suspend(void)
+{
+	const plat_params_from_bl2_t *plat_params = bl31_get_plat_params();
+
+	/*
+	 * sc7entry-fw is only supported by Tegra210 SoCs.
+	 */
+	if (!tegra_chipid_is_t210_b01() && (plat_params->sc7entry_fw_base != 0U)) {
+		return true;
+	} else if (tegra_chipid_is_t210_b01()) {
+		return true;
+	} else {
+		return false;
+	}
+}
+/*******************************************************************************
+ * Platform specific runtime setup.
+ ******************************************************************************/
+void plat_runtime_setup(void)
+{
+	/*
+	 * During cold boot, it is observed that the arbitration
+	 * bit is set in the Memory controller leading to false
+	 * error interrupts in the non-secure world. To avoid
+	 * this, clean the interrupt status register before
+	 * booting into the non-secure world
+	 */
+	tegra_memctrl_clear_pending_interrupts();
+
+	/*
+	 * During boot, USB3 and flash media (SDMMC/SATA) devices need
+	 * access to IRAM. Because these clients connect to the MC and
+	 * do not have a direct path to the IRAM, the MC implements AHB
+	 * redirection during boot to allow path to IRAM. In this mode
+	 * accesses to a programmed memory address aperture are directed
+	 * to the AHB bus, allowing access to the IRAM. This mode must be
+	 * disabled before we jump to the non-secure world.
+	 */
+	tegra_memctrl_disable_ahb_redirection();
+}
diff --git a/plat/nvidia/tegra/soc/t210/plat_sip_calls.c b/plat/nvidia/tegra/soc/t210/plat_sip_calls.c
new file mode 100644
index 0000000..e3484be
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t210/plat_sip_calls.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <inttypes.h>
+#include <stdint.h>
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <assert.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <common/runtime_svc.h>
+#include <errno.h>
+#include <lib/mmio.h>
+#include <lib/utils_def.h>
+
+#include <memctrl.h>
+#include <pmc.h>
+#include <tegra_private.h>
+#include <tegra_platform.h>
+#include <tegra_def.h>
+
+/*******************************************************************************
+ * PMC parameters
+ ******************************************************************************/
+#define PMC_READ 			U(0xaa)
+#define PMC_WRITE 			U(0xbb)
+
+/*******************************************************************************
+ * Tegra210 SiP SMCs
+ ******************************************************************************/
+#define TEGRA_SIP_PMC_COMMANDS		U(0xC2FFFE00)
+
+/*******************************************************************************
+ * This function is responsible for handling all T210 SiP calls
+ ******************************************************************************/
+int plat_sip_handler(uint32_t smc_fid,
+		     uint64_t x1,
+		     uint64_t x2,
+		     uint64_t x3,
+		     uint64_t x4,
+		     const void *cookie,
+		     void *handle,
+		     uint64_t flags)
+{
+	uint32_t val, ns;
+
+	/* Determine which security state this SMC originated from */
+	ns = is_caller_non_secure(flags);
+	if (!ns)
+		SMC_RET1(handle, SMC_UNK);
+
+	if (smc_fid == TEGRA_SIP_PMC_COMMANDS) {
+		/* check the address is within PMC range and is 4byte aligned */
+		if ((x2 >= TEGRA_PMC_SIZE) || (x2 & 0x3))
+			return -EINVAL;
+
+		switch (x2) {
+		/* Black listed PMC registers */
+		case PMC_SCRATCH1:
+		case PMC_SCRATCH31 ... PMC_SCRATCH33:
+		case PMC_SCRATCH40:
+		case PMC_SCRATCH42:
+		case PMC_SCRATCH43 ... PMC_SCRATCH48:
+		case PMC_SCRATCH50 ... PMC_SCRATCH51:
+		case PMC_SCRATCH56 ... PMC_SCRATCH57:
+		/* PMC secure-only registers are not accessible */
+		case PMC_DPD_ENABLE_0:
+		case PMC_FUSE_CONTROL_0:
+		case PMC_CRYPTO_OP_0:
+		case PMC_TSC_MULT_0:
+		case PMC_STICKY_BIT:
+			ERROR("%s: error offset=0x%" PRIx64 "\n", __func__, x2);
+			return -EFAULT;
+		default:
+			/* Valid register */
+			break;
+		}
+
+		/* Perform PMC read/write */
+		if (x1 == PMC_READ) {
+			val = mmio_read_32((uint32_t)(TEGRA_PMC_BASE + x2));
+			write_ctx_reg(get_gpregs_ctx(handle), CTX_GPREG_X1, val);
+		} else if (x1 == PMC_WRITE) {
+			mmio_write_32((uint32_t)(TEGRA_PMC_BASE + x2), (uint32_t)x3);
+		} else {
+			return -EINVAL;
+		}
+	} else {
+		return -ENOTSUP;
+	}
+	return 0;
+}
diff --git a/plat/nvidia/tegra/soc/t210/platform_t210.mk b/plat/nvidia/tegra/soc/t210/platform_t210.mk
new file mode 100644
index 0000000..724cfc3
--- /dev/null
+++ b/plat/nvidia/tegra/soc/t210/platform_t210.mk
@@ -0,0 +1,62 @@
+#
+# Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+TZDRAM_BASE				:= 0xFF800000
+$(eval $(call add_define,TZDRAM_BASE))
+
+ERRATA_TEGRA_INVALIDATE_BTB_AT_BOOT	:= 1
+$(eval $(call add_define,ERRATA_TEGRA_INVALIDATE_BTB_AT_BOOT))
+
+PLATFORM_CLUSTER_COUNT			:= 2
+$(eval $(call add_define,PLATFORM_CLUSTER_COUNT))
+
+PLATFORM_MAX_CPUS_PER_CLUSTER		:= 4
+$(eval $(call add_define,PLATFORM_MAX_CPUS_PER_CLUSTER))
+
+MAX_XLAT_TABLES				:= 10
+$(eval $(call add_define,MAX_XLAT_TABLES))
+
+MAX_MMAP_REGIONS			:= 16
+$(eval $(call add_define,MAX_MMAP_REGIONS))
+
+ENABLE_TEGRA_WDT_LEGACY_FIQ_HANDLING	:= 1
+
+PLAT_INCLUDES		+=	-Iplat/nvidia/tegra/include/t210		\
+				-I${SOC_DIR}/drivers/se
+
+BL31_SOURCES		+=	${TEGRA_GICv2_SOURCES}				\
+				drivers/ti/uart/aarch64/16550_console.S		\
+				lib/cpus/aarch64/cortex_a53.S			\
+				lib/cpus/aarch64/cortex_a57.S			\
+				${TEGRA_DRIVERS}/bpmp/bpmp.c			\
+				${TEGRA_DRIVERS}/flowctrl/flowctrl.c		\
+				${TEGRA_DRIVERS}/memctrl/memctrl_v1.c		\
+				${TEGRA_DRIVERS}/pmc/pmc.c			\
+				${SOC_DIR}/plat_psci_handlers.c			\
+				${SOC_DIR}/plat_setup.c				\
+				${SOC_DIR}/drivers/se/security_engine.c		\
+				${SOC_DIR}/plat_secondary.c			\
+				${SOC_DIR}/plat_sip_calls.c
+
+# Enable workarounds for selected Cortex-A57 erratas.
+A57_DISABLE_NON_TEMPORAL_HINT	:=	1
+ERRATA_A57_826974		:=	1
+ERRATA_A57_826977		:=	1
+ERRATA_A57_828024		:=	1
+ERRATA_A57_833471		:=	1
+
+# Enable workarounds for selected Cortex-A53 erratas.
+A53_DISABLE_NON_TEMPORAL_HINT	:=	1
+ERRATA_A53_826319		:=	1
+ERRATA_A53_836870		:=	1
+ERRATA_A53_855873		:=	1
+
+# Skip L1 $ flush when powering down Cortex-A57 CPUs
+SKIP_A57_L1_FLUSH_PWR_DWN	:=	1
+
+# Enable higher performance Non-cacheable load forwarding
+A57_ENABLE_NONCACHEABLE_LOAD_FWD	:=	1