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#
# Copyright (c) 2023-2026, STMicroelectronics - All Rights Reserved
# Copyright (c) 2025, Arm Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
RESET_TO_BL2 := 1
STM32MP_RECONFIGURE_CONSOLE ?= 0
STM32MP_UART_BAUDRATE ?= 115200
TRUSTED_BOARD_BOOT ?= 0
STM32MP_USE_EXTERNAL_HEAP ?= 0
# Use secure library from the ROM code for authentication
STM32MP_CRYPTO_ROM_LIB ?= 0
# Please don't increment this value without good understanding of
# the monotonic counter
STM32_TF_VERSION ?= 0
# Enable dynamic memory mapping
PLAT_XLAT_TABLES_DYNAMIC := 1
# STM32 image header binary type for BL2
STM32_HEADER_BL2_BINARY_TYPE := 0x10
TF_CFLAGS += -Wsign-compare
ifeq ($(findstring clang,$(notdir $(CC))),)
# Only for GCC
TF_CFLAGS += -Wformat-signedness
endif
# Boot devices
STM32MP_EMMC ?= 0
STM32MP_SDMMC ?= 0
STM32MP_RAW_NAND ?= 0
STM32MP_SPI_NAND ?= 0
STM32MP_SPI_NOR ?= 0
# Put both BL2 and FIP in eMMC boot partition
STM32MP_EMMC_BOOT ?= 0
# Serial boot devices
STM32MP_UART_PROGRAMMER ?= 0
STM32MP_USB_PROGRAMMER ?= 0
STM32MP_PSA_FWU_AB_SUPPORT ?= 0
ifeq ($(STM32MP_PSA_FWU_AB_SUPPORT)-$(PSA_FWU_SUPPORT),1-0)
$(info Disable STM32MP_PSA_FWU_AB_SUPPORT flag. PSA_FWU_SUPPORT is disabled )
override STM32MP_PSA_FWU_AB_SUPPORT := 0
endif
ifneq ($(filter 1,${STM32MP_UART_PROGRAMMER} ${STM32MP_USB_PROGRAMMER}),)
ifeq (${PSA_FWU_SUPPORT},1)
$(info Disable PSA_FWU_SUPPORT flag for serial device)
override PSA_FWU_SUPPORT := 0
endif
# Stub Power Management functions for serial boot
STM32MP_SUPPORT_PM := 0
else
STM32MP_SUPPORT_PM := 1
endif
# Halt CPU on panic
STM32MP_HALT_ON_PANIC ?= ${DEBUG}
# Number of TF-A copies in the device
STM32_TF_A_COPIES := 2
# PLAT_PARTITION_MAX_ENTRIES must take care of STM32_TF-A_COPIES and other partitions
PLAT_PARTITION_MAX_ENTRIES := $(shell echo $$(($(STM32_TF_A_COPIES) + $(STM32_EXTRA_PARTS))))
ifeq (${PSA_FWU_SUPPORT},1)
# Number of banks of updatable firmware
NR_OF_FW_BANKS := 2
ifeq (${STM32MP_PSA_FWU_AB_SUPPORT},1)
NR_OF_IMAGES_IN_FW_BANK := 3
else
NR_OF_IMAGES_IN_FW_BANK := 1
endif
FWU_MAX_PART = $(shell echo $$(($(STM32_TF_A_COPIES) + 2 + $(NR_OF_FW_BANKS))))
ifeq ($(shell test $(FWU_MAX_PART) -gt $(PLAT_PARTITION_MAX_ENTRIES); echo $$?),0)
$(error "Required partition number is $(FWU_MAX_PART) where PLAT_PARTITION_MAX_ENTRIES is only \
$(PLAT_PARTITION_MAX_ENTRIES)")
endif
endif
DTC_V := $(shell $($(ARCH)-dtc) -v | awk '{print $$NF}')
DTC_VERSION := $(shell printf "%d" $(shell echo ${DTC_V} | cut -d- -f1 | sed "s/\./0/g" | grep -o "[0-9]*"))
DTC_CPPFLAGS += ${INCLUDES}
DTC_FLAGS += -Wno-unit_address_vs_reg
ifeq ($(shell test $(DTC_VERSION) -ge 10601; echo $$?),0)
DTC_FLAGS += -Wno-interrupt_provider
endif
# Macros and rules to build TF binary
STM32_TF_LINKERFILE := ${BUILD_PLAT}/${PLAT}.ld
STM32_TF_ELF_LDFLAGS := $(call ld_prefix,--hash-style=gnu)
STM32_TF_ELF_LDFLAGS += $(call ld_prefix,--as-needed)
STM32_TF_ELF_LDFLAGS += $(call ld_prefix,--script ${STM32_TF_LINKERFILE})
STM32_TF_ELF_LDFLAGS += -static
ASFLAGS += -DBL2_BIN_PATH=\"${BUILD_PLAT}/bl2.bin\"
# Variables for use with stm32image
STM32IMAGEPATH ?= tools/stm32image
STM32IMAGE ?= ${BUILD_PLAT}/${STM32IMAGEPATH}/stm32image$(.exe)
STM32IMAGE_SRC := ${STM32IMAGEPATH}/stm32image.c
STM32_DEPS += ${STM32IMAGE}
FIP_DEPS += dtbs
STM32MP_HW_CONFIG := ${BL33_CFG}
# Add the HW_CONFIG to FIP and specify the same to certtool
$(eval $(call TOOL_ADD_PAYLOAD,${STM32MP_HW_CONFIG},--hw-config))
# Add the build options to pack Trusted OS Extra1 and Trusted OS Extra2 images
# in the FIP if the platform requires.
ifneq ($(BL32_EXTRA1),)
$(eval $(call TOOL_ADD_IMG,BL32_EXTRA1,--tos-fw-extra1,,$(ENCRYPT_BL32)))
endif
ifneq ($(BL32_EXTRA2),)
$(eval $(call TOOL_ADD_IMG,BL32_EXTRA2,--tos-fw-extra2,,$(ENCRYPT_BL32)))
endif
# Enable flags for C files
$(call assert_booleans,\
$(sort \
PLAT_XLAT_TABLES_DYNAMIC \
STM32MP_EMMC \
STM32MP_EMMC_BOOT \
STM32MP_HALT_ON_PANIC \
STM32MP_PSA_FWU_AB_SUPPORT \
STM32MP_RAW_NAND \
STM32MP_RECONFIGURE_CONSOLE \
STM32MP_SDMMC \
STM32MP_SPI_NAND \
STM32MP_SPI_NOR \
STM32MP_SUPPORT_PM \
STM32MP_UART_PROGRAMMER \
STM32MP_USB_PROGRAMMER \
))
$(call assert_numerics,\
$(sort \
STM32_TF_VERSION \
STM32MP_UART_BAUDRATE \
))
$(call add_defines,\
$(sort \
PLAT_XLAT_TABLES_DYNAMIC \
STM32_TF_VERSION \
STM32MP_EMMC \
STM32MP_EMMC_BOOT \
STM32MP_HALT_ON_PANIC \
STM32MP_PSA_FWU_AB_SUPPORT \
STM32MP_RAW_NAND \
STM32MP_RECONFIGURE_CONSOLE \
STM32MP_SDMMC \
STM32MP_SPI_NAND \
STM32MP_SPI_NOR \
STM32MP_SUPPORT_PM \
STM32MP_UART_BAUDRATE \
STM32MP_UART_PROGRAMMER \
STM32MP_USB_PROGRAMMER \
))
# Include paths and source files
PLAT_INCLUDES += -Iplat/st/common/include/
include lib/fconf/fconf.mk
include lib/libfdt/libfdt.mk
include lib/zlib/zlib.mk
ifeq (${PSA_FWU_SUPPORT},1)
include drivers/fwu/fwu.mk
endif
PLAT_BL_COMMON_SOURCES += common/uuid.c \
plat/st/common/stm32mp_common.c
include lib/xlat_tables_v2/xlat_tables.mk
PLAT_BL_COMMON_SOURCES += ${XLAT_TABLES_LIB_SRCS}
PLAT_BL_COMMON_SOURCES += drivers/clk/clk.c \
drivers/delay_timer/delay_timer.c \
drivers/delay_timer/generic_delay_timer.c \
drivers/st/clk/stm32mp_clkfunc.c \
drivers/st/ddr/stm32mp_ddr.c \
drivers/st/gpio/stm32_gpio.c \
drivers/st/regulator/regulator_core.c \
drivers/st/regulator/regulator_fixed.c \
plat/st/common/stm32mp_dt.c
BL2_SOURCES += ${FCONF_SOURCES} ${FCONF_DYN_SOURCES}
BL2_SOURCES += drivers/io/io_fip.c \
plat/st/common/bl2_io_storage.c \
plat/st/common/plat_image_load.c \
plat/st/common/stm32mp_fconf_io.c
BL2_SOURCES += drivers/io/io_block.c \
drivers/io/io_mtd.c \
drivers/io/io_storage.c
ifneq (${DECRYPTION_SUPPORT},none)
BL2_SOURCES += drivers/io/io_encrypted.c
endif
ifeq (${TRUSTED_BOARD_BOOT},1)
AUTH_MK := drivers/auth/auth.mk
$(info Including ${AUTH_MK})
include ${AUTH_MK}
ifeq (${GENERATE_COT},1)
TFW_NVCTR_VAL := 0
NTFW_NVCTR_VAL := 0
KEY_ALG := ecdsa
HASH_ALG := sha256
ifeq (${SAVE_KEYS},1)
TRUSTED_WORLD_KEY ?= ${BUILD_PLAT}/trusted.pem
NON_TRUSTED_WORLD_KEY ?= ${BUILD_PLAT}/non-trusted.pem
BL32_KEY ?= ${BUILD_PLAT}/trusted_os.pem
BL33_KEY ?= ${BUILD_PLAT}/non-trusted_os.pem
endif
endif
TF_MBEDTLS_KEY_ALG := ecdsa
KEY_SIZE := 256
PLAT_INCLUDES += -Iinclude/drivers/auth/mbedtls
MBEDTLS_CONFIG_FILE ?= "<stm32mp_mbedtls_config.h>"
include drivers/auth/mbedtls/mbedtls_x509.mk
COT_DESC_IN_DTB := 1
AUTH_SOURCES += lib/fconf/fconf_cot_getter.c \
lib/fconf/fconf_tbbr_getter.c \
plat/st/common/stm32mp_crypto_lib.c
BL2_SOURCES += $(AUTH_SOURCES) \
plat/st/common/stm32mp_trusted_boot.c
endif
ifneq ($(filter 1,${STM32MP_EMMC} ${STM32MP_SDMMC}),)
BL2_SOURCES += drivers/mmc/mmc.c \
drivers/partition/gpt.c \
drivers/partition/partition.c
endif
ifneq ($(filter 1,${STM32MP_SPI_NAND} ${STM32MP_SPI_NOR}),)
BL2_SOURCES += drivers/mtd/spi-mem/spi_mem.c
endif
ifeq (${STM32MP_RAW_NAND},1)
$(eval $(call add_define_val,NAND_ONFI_DETECT,1))
BL2_SOURCES += drivers/mtd/nand/raw_nand.c
endif
ifeq (${STM32MP_SPI_NAND},1)
BL2_SOURCES += drivers/mtd/nand/spi_nand.c
endif
ifeq (${STM32MP_SPI_NOR},1)
ifneq (${STM32MP_FORCE_MTD_START_OFFSET},)
$(eval $(call add_define_val,STM32MP_NOR_FIP_OFFSET,${STM32MP_FORCE_MTD_START_OFFSET}))
endif
BL2_SOURCES += drivers/mtd/nor/spi_nor.c
endif
ifneq ($(filter 1,${STM32MP_RAW_NAND} ${STM32MP_SPI_NAND}),)
ifneq (${STM32MP_FORCE_MTD_START_OFFSET},)
$(eval $(call add_define_val,STM32MP_NAND_FIP_OFFSET,${STM32MP_FORCE_MTD_START_OFFSET}))
endif
ifneq (${STM32MP_NAND_FIP_RECOVERY_OFFSET},)
ifneq (${PSA_FWU_SUPPORT},0)
$(error STM32MP_NAND_FIP_RECOVERY_OFFSET requires PSA_FWU_SUPPORT=0)
endif
$(eval $(call add_define_val,STM32MP_NAND_FIP_RECOVERY_OFFSET,${STM32MP_NAND_FIP_RECOVERY_OFFSET}))
endif
BL2_SOURCES += drivers/mtd/nand/core.c
endif
ifneq ($(filter 1,${STM32MP_UART_PROGRAMMER} ${STM32MP_USB_PROGRAMMER}),)
BL2_SOURCES += drivers/io/io_memmap.c
endif
ifeq (${STM32MP_UART_PROGRAMMER},1)
BL2_SOURCES += plat/st/common/stm32cubeprogrammer_uart.c
endif
ifeq (${STM32MP_USB_PROGRAMMER},1)
BL2_SOURCES += drivers/usb/usb_device.c \
plat/st/common/stm32cubeprogrammer_usb.c \
plat/st/common/usb_dfu.c
endif
BL2_SOURCES += drivers/st/ddr/stm32mp_ddr_test.c \
drivers/st/ddr/stm32mp_ram.c
BL2_SOURCES += common/desc_image_load.c
BL2_SOURCES += lib/optee/optee_utils.c
|
