1# 2# Copyright (c) 2023-2024, STMicroelectronics - All Rights Reserved 3# Copyright (c) 2025, Arm Limited and Contributors. All rights reserved. 4# 5# SPDX-License-Identifier: BSD-3-Clause 6# 7 8RESET_TO_BL2 := 1 9 10STM32MP_RECONFIGURE_CONSOLE ?= 0 11STM32MP_UART_BAUDRATE ?= 115200 12 13TRUSTED_BOARD_BOOT ?= 0 14STM32MP_USE_EXTERNAL_HEAP ?= 0 15 16# Use secure library from the ROM code for authentication 17STM32MP_CRYPTO_ROM_LIB ?= 0 18 19# Please don't increment this value without good understanding of 20# the monotonic counter 21STM32_TF_VERSION ?= 0 22 23# Enable dynamic memory mapping 24PLAT_XLAT_TABLES_DYNAMIC := 1 25 26# STM32 image header binary type for BL2 27STM32_HEADER_BL2_BINARY_TYPE := 0x10 28 29TF_CFLAGS += -Wsign-compare 30TF_CFLAGS += -Wformat-signedness 31 32# Number of TF-A copies in the device 33STM32_TF_A_COPIES := 2 34 35# PLAT_PARTITION_MAX_ENTRIES must take care of STM32_TF-A_COPIES and other partitions 36PLAT_PARTITION_MAX_ENTRIES := $(shell echo $$(($(STM32_TF_A_COPIES) + $(STM32_EXTRA_PARTS)))) 37 38ifeq (${PSA_FWU_SUPPORT},1) 39# Number of banks of updatable firmware 40NR_OF_FW_BANKS := 2 41NR_OF_IMAGES_IN_FW_BANK := 1 42 43FWU_MAX_PART = $(shell echo $$(($(STM32_TF_A_COPIES) + 2 + $(NR_OF_FW_BANKS)))) 44ifeq ($(shell test $(FWU_MAX_PART) -gt $(PLAT_PARTITION_MAX_ENTRIES); echo $$?),0) 45$(error "Required partition number is $(FWU_MAX_PART) where PLAT_PARTITION_MAX_ENTRIES is only \ 46$(PLAT_PARTITION_MAX_ENTRIES)") 47endif 48endif 49 50# Boot devices 51STM32MP_EMMC ?= 0 52STM32MP_SDMMC ?= 0 53STM32MP_RAW_NAND ?= 0 54STM32MP_SPI_NAND ?= 0 55STM32MP_SPI_NOR ?= 0 56 57# Put both BL2 and FIP in eMMC boot partition 58STM32MP_EMMC_BOOT ?= 0 59 60# Serial boot devices 61STM32MP_UART_PROGRAMMER ?= 0 62STM32MP_USB_PROGRAMMER ?= 0 63 64$(eval DTC_V = $(shell $($(ARCH)-dtc) -v | awk '{print $$NF}')) 65$(eval DTC_VERSION = $(shell printf "%d" $(shell echo ${DTC_V} | cut -d- -f1 | sed "s/\./0/g" | grep -o "[0-9]*"))) 66DTC_CPPFLAGS += ${INCLUDES} 67DTC_FLAGS += -Wno-unit_address_vs_reg 68ifeq ($(shell test $(DTC_VERSION) -ge 10601; echo $$?),0) 69DTC_FLAGS += -Wno-interrupt_provider 70endif 71 72# Macros and rules to build TF binary 73STM32_TF_ELF_LDFLAGS := --hash-style=gnu --as-needed 74STM32_TF_LINKERFILE := ${BUILD_PLAT}/${PLAT}.ld 75 76ASFLAGS += -DBL2_BIN_PATH=\"${BUILD_PLAT}/bl2.bin\" 77 78# Variables for use with stm32image 79STM32IMAGEPATH ?= tools/stm32image 80STM32IMAGE ?= ${STM32IMAGEPATH}/stm32image$(.exe) 81STM32IMAGE_SRC := ${STM32IMAGEPATH}/stm32image.c 82STM32_DEPS += ${STM32IMAGE} 83 84FIP_DEPS += dtbs 85STM32MP_HW_CONFIG := ${BL33_CFG} 86 87# Add the HW_CONFIG to FIP and specify the same to certtool 88$(eval $(call TOOL_ADD_PAYLOAD,${STM32MP_HW_CONFIG},--hw-config)) 89 90# Add the build options to pack Trusted OS Extra1 and Trusted OS Extra2 images 91# in the FIP if the platform requires. 92ifneq ($(BL32_EXTRA1),) 93$(eval $(call TOOL_ADD_IMG,BL32_EXTRA1,--tos-fw-extra1,,$(ENCRYPT_BL32))) 94endif 95ifneq ($(BL32_EXTRA2),) 96$(eval $(call TOOL_ADD_IMG,BL32_EXTRA2,--tos-fw-extra2,,$(ENCRYPT_BL32))) 97endif 98 99# Enable flags for C files 100$(eval $(call assert_booleans,\ 101 $(sort \ 102 PLAT_XLAT_TABLES_DYNAMIC \ 103 STM32MP_EMMC \ 104 STM32MP_EMMC_BOOT \ 105 STM32MP_RAW_NAND \ 106 STM32MP_RECONFIGURE_CONSOLE \ 107 STM32MP_SDMMC \ 108 STM32MP_SPI_NAND \ 109 STM32MP_SPI_NOR \ 110 STM32MP_UART_PROGRAMMER \ 111 STM32MP_USB_PROGRAMMER \ 112))) 113 114$(eval $(call assert_numerics,\ 115 $(sort \ 116 STM32_TF_VERSION \ 117 STM32MP_UART_BAUDRATE \ 118))) 119 120$(eval $(call add_defines,\ 121 $(sort \ 122 PLAT_XLAT_TABLES_DYNAMIC \ 123 STM32_TF_VERSION \ 124 STM32MP_EMMC \ 125 STM32MP_EMMC_BOOT \ 126 STM32MP_RAW_NAND \ 127 STM32MP_RECONFIGURE_CONSOLE \ 128 STM32MP_SDMMC \ 129 STM32MP_SPI_NAND \ 130 STM32MP_SPI_NOR \ 131 STM32MP_UART_BAUDRATE \ 132 STM32MP_UART_PROGRAMMER \ 133 STM32MP_USB_PROGRAMMER \ 134))) 135 136# Include paths and source files 137PLAT_INCLUDES += -Iplat/st/common/include/ 138 139include lib/fconf/fconf.mk 140include lib/libfdt/libfdt.mk 141include lib/zlib/zlib.mk 142ifeq (${PSA_FWU_SUPPORT},1) 143include drivers/fwu/fwu.mk 144endif 145 146PLAT_BL_COMMON_SOURCES += common/uuid.c \ 147 plat/st/common/stm32mp_common.c 148 149 150include lib/xlat_tables_v2/xlat_tables.mk 151PLAT_BL_COMMON_SOURCES += ${XLAT_TABLES_LIB_SRCS} 152 153PLAT_BL_COMMON_SOURCES += drivers/clk/clk.c \ 154 drivers/delay_timer/delay_timer.c \ 155 drivers/delay_timer/generic_delay_timer.c \ 156 drivers/st/clk/stm32mp_clkfunc.c \ 157 drivers/st/ddr/stm32mp_ddr.c \ 158 drivers/st/gpio/stm32_gpio.c \ 159 drivers/st/regulator/regulator_core.c \ 160 drivers/st/regulator/regulator_fixed.c \ 161 plat/st/common/stm32mp_dt.c 162 163BL2_SOURCES += ${FCONF_SOURCES} ${FCONF_DYN_SOURCES} 164BL2_SOURCES += $(ZLIB_SOURCES) 165 166BL2_SOURCES += drivers/io/io_fip.c \ 167 plat/st/common/bl2_io_storage.c \ 168 plat/st/common/plat_image_load.c \ 169 plat/st/common/stm32mp_fconf_io.c 170 171BL2_SOURCES += drivers/io/io_block.c \ 172 drivers/io/io_mtd.c \ 173 drivers/io/io_storage.c 174 175ifneq (${DECRYPTION_SUPPORT},none) 176BL2_SOURCES += drivers/io/io_encrypted.c 177endif 178 179ifeq (${TRUSTED_BOARD_BOOT},1) 180AUTH_SOURCES := drivers/auth/auth_mod.c \ 181 drivers/auth/crypto_mod.c \ 182 drivers/auth/img_parser_mod.c 183 184ifeq (${GENERATE_COT},1) 185TFW_NVCTR_VAL := 0 186NTFW_NVCTR_VAL := 0 187KEY_ALG := ecdsa 188HASH_ALG := sha256 189 190ifeq (${SAVE_KEYS},1) 191TRUSTED_WORLD_KEY ?= ${BUILD_PLAT}/trusted.pem 192NON_TRUSTED_WORLD_KEY ?= ${BUILD_PLAT}/non-trusted.pem 193BL32_KEY ?= ${BUILD_PLAT}/trusted_os.pem 194BL33_KEY ?= ${BUILD_PLAT}/non-trusted_os.pem 195endif 196 197endif 198TF_MBEDTLS_KEY_ALG := ecdsa 199KEY_SIZE := 256 200 201ifneq (${MBEDTLS_DIR},) 202MBEDTLS_MAJOR=$(shell grep -hP "define MBEDTLS_VERSION_MAJOR" \ 203${MBEDTLS_DIR}/include/mbedtls/*.h | grep -oe '\([0-9.]*\)') 204 205ifeq (${MBEDTLS_MAJOR}, 3) 206MBEDTLS_CONFIG_FILE ?= "<stm32mp_mbedtls_config-3.h>" 207else 208$(error Error: TF-A only supports MbedTLS versions > 3.x) 209endif 210endif 211 212include drivers/auth/mbedtls/mbedtls_x509.mk 213 214COT_DESC_IN_DTB := 1 215AUTH_SOURCES += lib/fconf/fconf_cot_getter.c \ 216 lib/fconf/fconf_tbbr_getter.c \ 217 plat/st/common/stm32mp_crypto_lib.c 218 219BL2_SOURCES += $(AUTH_SOURCES) \ 220 plat/st/common/stm32mp_trusted_boot.c 221endif 222 223ifneq ($(filter 1,${STM32MP_EMMC} ${STM32MP_SDMMC}),) 224BL2_SOURCES += drivers/mmc/mmc.c \ 225 drivers/partition/gpt.c \ 226 drivers/partition/partition.c 227endif 228 229ifneq ($(filter 1,${STM32MP_SPI_NAND} ${STM32MP_SPI_NOR}),) 230BL2_SOURCES += drivers/mtd/spi-mem/spi_mem.c 231endif 232 233ifeq (${STM32MP_RAW_NAND},1) 234$(eval $(call add_define_val,NAND_ONFI_DETECT,1)) 235BL2_SOURCES += drivers/mtd/nand/raw_nand.c 236endif 237 238ifeq (${STM32MP_SPI_NAND},1) 239BL2_SOURCES += drivers/mtd/nand/spi_nand.c 240endif 241 242ifeq (${STM32MP_SPI_NOR},1) 243ifneq (${STM32MP_FORCE_MTD_START_OFFSET},) 244$(eval $(call add_define_val,STM32MP_NOR_FIP_OFFSET,${STM32MP_FORCE_MTD_START_OFFSET})) 245endif 246BL2_SOURCES += drivers/mtd/nor/spi_nor.c 247endif 248 249ifneq ($(filter 1,${STM32MP_RAW_NAND} ${STM32MP_SPI_NAND}),) 250ifneq (${STM32MP_FORCE_MTD_START_OFFSET},) 251$(eval $(call add_define_val,STM32MP_NAND_FIP_OFFSET,${STM32MP_FORCE_MTD_START_OFFSET})) 252endif 253BL2_SOURCES += drivers/mtd/nand/core.c 254endif 255 256ifneq ($(filter 1,${STM32MP_UART_PROGRAMMER} ${STM32MP_USB_PROGRAMMER}),) 257BL2_SOURCES += drivers/io/io_memmap.c 258endif 259 260ifeq (${STM32MP_UART_PROGRAMMER},1) 261BL2_SOURCES += plat/st/common/stm32cubeprogrammer_uart.c 262endif 263 264ifeq (${STM32MP_USB_PROGRAMMER},1) 265BL2_SOURCES += drivers/usb/usb_device.c \ 266 plat/st/common/stm32cubeprogrammer_usb.c \ 267 plat/st/common/usb_dfu.c 268endif 269 270BL2_SOURCES += drivers/st/ddr/stm32mp_ddr_test.c \ 271 drivers/st/ddr/stm32mp_ram.c 272 273BL2_SOURCES += common/desc_image_load.c 274 275BL2_SOURCES += lib/optee/optee_utils.c 276