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-rw-r--r--plat/imx/imx7/common/imx7.mk112
-rw-r--r--plat/imx/imx7/common/imx7_bl2_el3_common.c198
-rw-r--r--plat/imx/imx7/common/imx7_bl2_mem_params_desc.c81
-rw-r--r--plat/imx/imx7/common/imx7_helpers.S59
-rw-r--r--plat/imx/imx7/common/imx7_image_load.c24
-rw-r--r--plat/imx/imx7/common/imx7_rotpk.S15
-rw-r--r--plat/imx/imx7/common/imx7_trusted_boot.c36
7 files changed, 525 insertions, 0 deletions
diff --git a/plat/imx/imx7/common/imx7.mk b/plat/imx/imx7/common/imx7.mk
new file mode 100644
index 0000000..f4f5bfc
--- /dev/null
+++ b/plat/imx/imx7/common/imx7.mk
@@ -0,0 +1,112 @@
+#
+# Copyright (c) 2018-2022, ARM Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+# Architecture
+$(eval $(call add_define,ARMV7_SUPPORTS_LARGE_PAGE_ADDRESSING))
+
+TF_CFLAGS += -mfpu=neon
+ASFLAGS += -mfpu=neon
+
+# Platform
+PLAT_INCLUDES := -Idrivers/imx/uart \
+ -Iplat/imx/common/include \
+ -Iplat/imx/imx7/include \
+ -Idrivers/imx/timer \
+ -Idrivers/imx/usdhc \
+ -Iinclude/common/tbbr
+
+# Translation tables library
+include lib/xlat_tables_v2/xlat_tables.mk
+
+BL2_SOURCES += common/desc_image_load.c \
+ drivers/delay_timer/delay_timer.c \
+ drivers/mmc/mmc.c \
+ drivers/io/io_block.c \
+ drivers/io/io_fip.c \
+ drivers/io/io_memmap.c \
+ drivers/io/io_storage.c \
+ drivers/imx/timer/imx_gpt.c \
+ drivers/imx/uart/imx_uart.c \
+ drivers/imx/uart/imx_crash_uart.S \
+ lib/aarch32/arm32_aeabi_divmod.c \
+ lib/aarch32/arm32_aeabi_divmod_a32.S \
+ lib/cpus/aarch32/cortex_a7.S \
+ lib/optee/optee_utils.c \
+ plat/imx/common/imx_aips.c \
+ plat/imx/common/imx_caam.c \
+ plat/imx/common/imx_clock.c \
+ plat/imx/common/imx_csu.c \
+ plat/imx/common/imx_io_mux.c \
+ plat/imx/common/imx_snvs.c \
+ plat/imx/common/imx_wdog.c \
+ plat/imx/common/imx7_clock.c \
+ plat/imx/imx7/common/imx7_bl2_mem_params_desc.c \
+ plat/imx/imx7/common/imx7_bl2_el3_common.c \
+ plat/imx/imx7/common/imx7_helpers.S \
+ plat/imx/imx7/common/imx7_image_load.c \
+ plat/imx/common/imx_io_storage.c \
+ plat/imx/common/aarch32/imx_uart_console.S \
+ ${XLAT_TABLES_LIB_SRCS}
+
+ifneq (${TRUSTED_BOARD_BOOT},0)
+
+include drivers/auth/mbedtls/mbedtls_crypto.mk
+include drivers/auth/mbedtls/mbedtls_x509.mk
+
+AUTH_SOURCES := drivers/auth/auth_mod.c \
+ drivers/auth/crypto_mod.c \
+ drivers/auth/img_parser_mod.c \
+ drivers/auth/tbbr/tbbr_cot_common.c
+
+BL2_SOURCES += ${AUTH_SOURCES} \
+ plat/common/tbbr/plat_tbbr.c \
+ plat/imx/imx7/common/imx7_trusted_boot.c \
+ plat/imx/imx7/common/imx7_rotpk.S \
+ drivers/auth/tbbr/tbbr_cot_bl2.c
+
+ROT_KEY = $(BUILD_PLAT)/rot_key.pem
+ROTPK_HASH = $(BUILD_PLAT)/rotpk_sha256.bin
+
+$(eval $(call add_define_val,ROTPK_HASH,'"$(ROTPK_HASH)"'))
+$(eval $(call MAKE_LIB_DIRS))
+
+$(BUILD_PLAT)/bl2/imx7_rotpk.o: $(ROTPK_HASH)
+
+certificates: $(ROT_KEY)
+
+$(ROT_KEY): | $(BUILD_PLAT)
+ @echo " OPENSSL $@"
+ @if [ ! -f $(ROT_KEY) ]; then \
+ ${OPENSSL_BIN_PATH}/openssl genrsa 2048 > $@ 2>/dev/null; \
+ fi
+
+$(ROTPK_HASH): $(ROT_KEY)
+ @echo " OPENSSL $@"
+ $(Q)${OPENSSL_BIN_PATH}/openssl rsa -in $< -pubout -outform DER 2>/dev/null |\
+ ${OPENSSL_BIN_PATH}/openssl dgst -sha256 -binary > $@ 2>/dev/null
+endif
+
+# Add the build options to pack BLx images and kernel device tree
+# in the FIP if the platform requires.
+ifneq ($(BL2),)
+$(eval $(call TOOL_ADD_PAYLOAD,${BUILD_PLAT}/tb_fw.crt,--tb-fw-cert))
+endif
+ifneq ($(BL32_EXTRA1),)
+$(eval $(call TOOL_ADD_IMG,BL32_EXTRA1,--tos-fw-extra1))
+endif
+ifneq ($(BL32_EXTRA2),)
+$(eval $(call TOOL_ADD_IMG,BL32_EXTRA2,--tos-fw-extra2))
+endif
+ifneq ($(HW_CONFIG),)
+$(eval $(call TOOL_ADD_IMG,HW_CONFIG,--hw-config))
+endif
+
+# Verify build config
+# -------------------
+
+ifeq (${ARCH},aarch64)
+ $(error Error: AArch64 not supported on i.mx7)
+endif
diff --git a/plat/imx/imx7/common/imx7_bl2_el3_common.c b/plat/imx/imx7/common/imx7_bl2_el3_common.c
new file mode 100644
index 0000000..4e5028c
--- /dev/null
+++ b/plat/imx/imx7/common/imx7_bl2_el3_common.c
@@ -0,0 +1,198 @@
+/*
+ * Copyright (c) 2018-2019, ARM Limited and Contributors. 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 <common/desc_image_load.h>
+#include <drivers/mmc.h>
+#include <lib/xlat_tables/xlat_mmu_helpers.h>
+#include <lib/xlat_tables/xlat_tables_defs.h>
+#include <lib/mmio.h>
+#include <lib/optee_utils.h>
+#include <lib/utils.h>
+
+#include <imx_aips.h>
+#include <imx_caam.h>
+#include <imx_clock.h>
+#include <imx_csu.h>
+#include <imx_gpt.h>
+#include <imx_uart.h>
+#include <imx_snvs.h>
+#include <imx_wdog.h>
+#include <imx7_def.h>
+
+#ifndef AARCH32_SP_OPTEE
+#error "Must build with OPTEE support included"
+#endif
+
+uintptr_t plat_get_ns_image_entrypoint(void)
+{
+ return IMX7_UBOOT_BASE;
+}
+
+static uint32_t imx7_get_spsr_for_bl32_entry(void)
+{
+ return SPSR_MODE32(MODE32_svc, SPSR_T_ARM, SPSR_E_LITTLE,
+ DISABLE_ALL_EXCEPTIONS);
+}
+
+static uint32_t imx7_get_spsr_for_bl33_entry(void)
+{
+ return SPSR_MODE32(MODE32_svc,
+ plat_get_ns_image_entrypoint() & 0x1,
+ SPSR_E_LITTLE, DISABLE_ALL_EXCEPTIONS);
+}
+
+int bl2_plat_handle_post_image_load(unsigned int image_id)
+{
+ int err = 0;
+ bl_mem_params_node_t *bl_mem_params = get_bl_mem_params_node(image_id);
+ bl_mem_params_node_t *hw_cfg_mem_params = NULL;
+
+ bl_mem_params_node_t *pager_mem_params = NULL;
+ bl_mem_params_node_t *paged_mem_params = NULL;
+
+ assert(bl_mem_params);
+
+ switch (image_id) {
+ case BL32_IMAGE_ID:
+ pager_mem_params = get_bl_mem_params_node(BL32_EXTRA1_IMAGE_ID);
+ assert(pager_mem_params);
+
+ paged_mem_params = get_bl_mem_params_node(BL32_EXTRA2_IMAGE_ID);
+ assert(paged_mem_params);
+
+ err = parse_optee_header(&bl_mem_params->ep_info,
+ &pager_mem_params->image_info,
+ &paged_mem_params->image_info);
+ if (err != 0)
+ WARN("OPTEE header parse error.\n");
+
+ /*
+ * When ATF loads the DTB the address of the DTB is passed in
+ * arg2, if an hw config image is present use the base address
+ * as DTB address an pass it as arg2
+ */
+ hw_cfg_mem_params = get_bl_mem_params_node(HW_CONFIG_ID);
+
+ bl_mem_params->ep_info.args.arg0 =
+ bl_mem_params->ep_info.args.arg1;
+ bl_mem_params->ep_info.args.arg1 = 0;
+ if (hw_cfg_mem_params)
+ bl_mem_params->ep_info.args.arg2 =
+ hw_cfg_mem_params->image_info.image_base;
+ else
+ bl_mem_params->ep_info.args.arg2 = 0;
+ bl_mem_params->ep_info.args.arg3 = 0;
+ bl_mem_params->ep_info.spsr = imx7_get_spsr_for_bl32_entry();
+ break;
+
+ case BL33_IMAGE_ID:
+ /* AArch32 only core: OP-TEE expects NSec EP in register LR */
+ pager_mem_params = get_bl_mem_params_node(BL32_IMAGE_ID);
+ assert(pager_mem_params);
+ pager_mem_params->ep_info.lr_svc = bl_mem_params->ep_info.pc;
+
+ /* BL33 expects to receive the primary CPU MPID (through r0) */
+ bl_mem_params->ep_info.args.arg0 = 0xffff & read_mpidr();
+ bl_mem_params->ep_info.spsr = imx7_get_spsr_for_bl33_entry();
+ break;
+
+ default:
+ /* Do nothing in default case */
+ break;
+ }
+
+ return err;
+}
+
+void bl2_el3_plat_arch_setup(void)
+{
+ /* Setup the MMU here */
+}
+
+static void imx7_setup_system_counter(void)
+{
+ unsigned long freq = SYS_COUNTER_FREQ_IN_TICKS;
+
+ /* Set the frequency table index to our target frequency */
+ write_cntfrq(freq);
+
+ /* Enable system counter @ frequency table index 0, halt on debug */
+ mmio_write_32(SYS_CNTCTL_BASE + CNTCR_OFF,
+ CNTCR_FCREQ(0) | CNTCR_HDBG | CNTCR_EN);
+}
+
+static void imx7_setup_wdog_clocks(void)
+{
+ uint32_t wdog_en_bits = (uint32_t)WDOG_DEFAULT_CLK_SELECT;
+
+ imx_clock_set_wdog_clk_root_bits(wdog_en_bits);
+ imx_clock_enable_wdog(0);
+ imx_clock_enable_wdog(1);
+ imx_clock_enable_wdog(2);
+ imx_clock_enable_wdog(3);
+}
+
+
+/*
+ * bl2_el3_early_platform_setup()
+ * MMU off
+ */
+void bl2_el3_early_platform_setup(u_register_t arg1, u_register_t arg2,
+ u_register_t arg3, u_register_t arg4)
+{
+ static console_t console;
+ int console_scope = CONSOLE_FLAG_BOOT | CONSOLE_FLAG_RUNTIME;
+
+ /* Initialize common components */
+ imx_aips_init();
+ imx_csu_init();
+ imx_snvs_init();
+ imx_gpt_ops_init(GPT1_BASE_ADDR);
+ imx_clock_init();
+ imx7_setup_system_counter();
+ imx7_setup_wdog_clocks();
+
+ /* Platform specific setup */
+ imx7_platform_setup(arg1, arg2, arg3, arg4);
+
+ /* Init UART, clock should be enabled in imx7_platform_setup() */
+ console_imx_uart_register(PLAT_IMX7_BOOT_UART_BASE,
+ PLAT_IMX7_BOOT_UART_CLK_IN_HZ,
+ PLAT_IMX7_CONSOLE_BAUDRATE,
+ &console);
+ console_set_scope(&console, console_scope);
+
+ /* Open handles to persistent storage */
+ plat_imx_io_setup();
+
+ /* Setup higher-level functionality CAAM, RTC etc */
+ imx_caam_init();
+ imx_wdog_init();
+
+ /* Print out the expected memory map */
+ VERBOSE("\tOPTEE 0x%08x-0x%08x\n", IMX7_OPTEE_BASE, IMX7_OPTEE_LIMIT);
+ VERBOSE("\tATF/BL2 0x%08x-0x%08x\n", BL2_RAM_BASE, BL2_RAM_LIMIT);
+ VERBOSE("\tSHRAM 0x%08x-0x%08x\n", SHARED_RAM_BASE, SHARED_RAM_LIMIT);
+ VERBOSE("\tFIP 0x%08x-0x%08x\n", IMX_FIP_BASE, IMX_FIP_LIMIT);
+ VERBOSE("\tDTB-OVERLAY 0x%08x-0x%08x\n", IMX7_DTB_OVERLAY_BASE, IMX7_DTB_OVERLAY_LIMIT);
+ VERBOSE("\tDTB 0x%08x-0x%08x\n", IMX7_DTB_BASE, IMX7_DTB_LIMIT);
+ VERBOSE("\tUBOOT/BL33 0x%08x-0x%08x\n", IMX7_UBOOT_BASE, IMX7_UBOOT_LIMIT);
+}
+
+/*
+ * bl2_platform_setup()
+ * MMU on - enabled by bl2_el3_plat_arch_setup()
+ */
+void bl2_platform_setup(void)
+{
+}
diff --git a/plat/imx/imx7/common/imx7_bl2_mem_params_desc.c b/plat/imx/imx7/common/imx7_bl2_mem_params_desc.c
new file mode 100644
index 0000000..f9b2983
--- /dev/null
+++ b/plat/imx/imx7/common/imx7_bl2_mem_params_desc.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <platform_def.h>
+
+#include <common/bl_common.h>
+#include <common/desc_image_load.h>
+#include <plat/common/platform.h>
+
+static bl_mem_params_node_t bl2_mem_params_descs[] = {
+ {
+ .image_id = BL32_IMAGE_ID,
+
+ SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP, VERSION_2,
+ entry_point_info_t,
+ SECURE | EXECUTABLE | EP_FIRST_EXE),
+ .ep_info.pc = BL32_BASE,
+
+ SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, VERSION_2,
+ image_info_t, 0),
+
+ .image_info.image_base = IMX7_OPTEE_BASE,
+ .image_info.image_max_size = IMX7_OPTEE_SIZE,
+
+ .next_handoff_image_id = BL33_IMAGE_ID,
+ },
+ {
+ .image_id = BL32_EXTRA1_IMAGE_ID,
+
+ SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP, VERSION_2,
+ entry_point_info_t,
+ SECURE | NON_EXECUTABLE),
+
+ SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, VERSION_2,
+ image_info_t, IMAGE_ATTRIB_SKIP_LOADING),
+ .image_info.image_base = IMX7_OPTEE_BASE,
+ .image_info.image_max_size = IMX7_OPTEE_SIZE,
+
+ .next_handoff_image_id = INVALID_IMAGE_ID,
+ },
+ {
+ /* This is a zero sized image so we don't set base or size */
+ .image_id = BL32_EXTRA2_IMAGE_ID,
+
+ SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
+ VERSION_2, entry_point_info_t,
+ SECURE | NON_EXECUTABLE),
+
+ SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
+ VERSION_2, image_info_t,
+ IMAGE_ATTRIB_SKIP_LOADING),
+ .next_handoff_image_id = INVALID_IMAGE_ID,
+ },
+ {
+ .image_id = BL33_IMAGE_ID,
+ SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP, VERSION_2,
+ entry_point_info_t,
+ NON_SECURE | EXECUTABLE),
+ # ifdef PRELOADED_BL33_BASE
+ .ep_info.pc = PRELOADED_BL33_BASE,
+
+ SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
+ VERSION_2, image_info_t,
+ IMAGE_ATTRIB_SKIP_LOADING),
+ # else
+ .ep_info.pc = BL33_BASE,
+
+ SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
+ VERSION_2, image_info_t, 0),
+ .image_info.image_base = IMX7_UBOOT_BASE,
+ .image_info.image_max_size = IMX7_UBOOT_SIZE,
+ # endif /* PRELOADED_BL33_BASE */
+
+ .next_handoff_image_id = INVALID_IMAGE_ID,
+ }
+};
+
+REGISTER_BL_IMAGE_DESCS(bl2_mem_params_descs);
diff --git a/plat/imx/imx7/common/imx7_helpers.S b/plat/imx/imx7/common/imx7_helpers.S
new file mode 100644
index 0000000..661fd29
--- /dev/null
+++ b/plat/imx/imx7/common/imx7_helpers.S
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) Linaro 2018-2019 Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <assert_macros.S>
+#include <platform_def.h>
+#include <imx_hab.h>
+
+ .globl platform_mem_init
+ .globl plat_get_my_entrypoint
+ .globl plat_crash_console_init
+ .globl plat_crash_console_putc
+ .globl plat_crash_console_flush
+ .globl plat_panic_handler
+
+ /* ---------------------------------------------
+ * int plat_mem_init(void)
+ * Function to initialize memory.
+ * The HAB hands off the DDR controller already
+ * setup and ready to use.
+ * Implement the mandatory function as a NOP
+ * ---------------------------------------------
+ */
+func platform_mem_init
+ bx lr
+endfunc platform_mem_init
+
+func plat_get_my_entrypoint
+ mov r0, #0
+ bx lr
+endfunc plat_get_my_entrypoint
+
+func plat_crash_console_init
+ mov_imm r0, PLAT_IMX7_BOOT_UART_BASE
+ mov_imm r1, PLAT_IMX7_BOOT_UART_CLK_IN_HZ
+ mov_imm r2, PLAT_IMX7_CONSOLE_BAUDRATE
+ b imx_crash_uart_init
+endfunc plat_crash_console_init
+
+func plat_crash_console_putc
+ mov_imm r1, PLAT_IMX7_BOOT_UART_BASE
+ b imx_crash_uart_putc
+endfunc plat_crash_console_putc
+
+func plat_crash_console_flush
+ /* Placeholder */
+ mov r0, #0
+ bx lr
+endfunc plat_crash_console_flush
+
+func plat_panic_handler
+ mov r3, #HAB_ROM_VECTOR_TABLE_FAILSAFE
+ ldr r3, [r3, #0]
+ blx r3
+endfunc plat_panic_handler
diff --git a/plat/imx/imx7/common/imx7_image_load.c b/plat/imx/imx7/common/imx7_image_load.c
new file mode 100644
index 0000000..c3e47b9
--- /dev/null
+++ b/plat/imx/imx7/common/imx7_image_load.c
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <common/bl_common.h>
+#include <common/desc_image_load.h>
+#include <plat/common/platform.h>
+
+void plat_flush_next_bl_params(void)
+{
+ flush_bl_params_desc();
+}
+
+bl_load_info_t *plat_get_bl_image_load_info(void)
+{
+ return get_bl_load_info_from_mem_params_desc();
+}
+
+bl_params_t *plat_get_next_bl_params(void)
+{
+ return get_next_bl_params_from_mem_params_desc();
+}
diff --git a/plat/imx/imx7/common/imx7_rotpk.S b/plat/imx/imx7/common/imx7_rotpk.S
new file mode 100644
index 0000000..8bd53c2
--- /dev/null
+++ b/plat/imx/imx7/common/imx7_rotpk.S
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+ .global imx7_rotpk_hash
+ .global imx7_rotpk_hash_end
+imx7_rotpk_hash:
+ /* DER header */
+ .byte 0x30, 0x31, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48
+ .byte 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x05, 0x00, 0x04, 0x20
+ /* SHA256 */
+ .incbin ROTPK_HASH
+imx7_rotpk_hash_end:
diff --git a/plat/imx/imx7/common/imx7_trusted_boot.c b/plat/imx/imx7/common/imx7_trusted_boot.c
new file mode 100644
index 0000000..cd27128
--- /dev/null
+++ b/plat/imx/imx7/common/imx7_trusted_boot.c
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <plat/common/platform.h>
+
+extern char imx7_rotpk_hash[], imx7_rotpk_hash_end[];
+
+int plat_get_rotpk_info(void *cookie, void **key_ptr, unsigned int *key_len,
+ unsigned int *flags)
+{
+ *key_ptr = imx7_rotpk_hash;
+ *key_len = imx7_rotpk_hash_end - imx7_rotpk_hash;
+ *flags = ROTPK_IS_HASH;
+
+ return 0;
+}
+
+int plat_get_nv_ctr(void *cookie, unsigned int *nv_ctr)
+{
+ *nv_ctr = 0;
+
+ return 0;
+}
+
+int plat_set_nv_ctr(void *cookie, unsigned int nv_ctr)
+{
+ return 1;
+}
+
+int plat_get_mbedtls_heap(void **heap_addr, size_t *heap_size)
+{
+ return get_mbedtls_heap_helper(heap_addr, heap_size);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-03 23:34:37 +0000