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

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

13 files changed, 820 insertions, 0 deletions

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 */