plat/st/stm32mp1/platform.mk - filogic/atf - Gitiles

 #
 # Copyright (c) 2015-2022, ARM Limited and Contributors. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #

 ARM_CORTEX_A7		:=	yes
 ARM_WITH_NEON		:=	yes
 BL2_AT_EL3		:=	1
 USE_COHERENT_MEM	:=	0

 STM32MP_EARLY_CONSOLE	?=	0
 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

 # Default Device tree
 DTB_FILE_NAME		?=	stm32mp157c-ev1.dtb

 STM32MP13		?=	0
 STM32MP15		?=	0

 ifeq ($(STM32MP13),1)
 ifeq ($(STM32MP15),1)
 $(error Cannot enable both flags STM32MP13 and STM32MP15)
 endif
 STM32MP13		:=	1
 STM32MP15		:=	0
 else ifeq ($(STM32MP15),1)
 STM32MP13		:=	0
 STM32MP15		:=	1
 else ifneq ($(findstring stm32mp13,$(DTB_FILE_NAME)),)
 STM32MP13		:=	1
 STM32MP15		:=	0
 else ifneq ($(findstring stm32mp15,$(DTB_FILE_NAME)),)
 STM32MP13		:=	0
 STM32MP15		:=	1
 endif

 ifeq ($(STM32MP13),1)
 # Will use SRAM2 as mbedtls heap
 STM32MP_USE_EXTERNAL_HEAP :=	1

 # DDR controller with single AXI port and 16-bit interface
 STM32MP_DDR_DUAL_AXI_PORT:=	0
 STM32MP_DDR_32BIT_INTERFACE:=	0

 ifeq (${TRUSTED_BOARD_BOOT},1)
 # PKA algo to include
 PKA_USE_NIST_P256	:=	1
 PKA_USE_BRAINPOOL_P256T1:=	1
 endif

 # STM32 image header version v2.0
 STM32_HEADER_VERSION_MAJOR:=	2
 STM32_HEADER_VERSION_MINOR:=	0
 endif

 ifeq ($(STM32MP15),1)
 # DDR controller with dual AXI port and 32-bit interface
 STM32MP_DDR_DUAL_AXI_PORT:=	1
 STM32MP_DDR_32BIT_INTERFACE:=	1

 # STM32 image header version v1.0
 STM32_HEADER_VERSION_MAJOR:=	1
 STM32_HEADER_VERSION_MINOR:=	0

 # Add OP-TEE reserved shared memory area in mapping
 STM32MP15_OPTEE_RSV_SHM	:=	1
 $(eval $(call add_defines,STM32MP15_OPTEE_RSV_SHM))

 STM32MP_CRYPTO_ROM_LIB :=	1

 # Decryption support
 ifneq ($(DECRYPTION_SUPPORT),none)
 $(error "DECRYPTION_SUPPORT not supported on STM32MP15")
 endif
 endif

 # STM32 image header binary type for BL2
 STM32_HEADER_BL2_BINARY_TYPE:=	0x10

 ifeq ($(AARCH32_SP),sp_min)
 # Disable Neon support: sp_min runtime may conflict with non-secure world
 TF_CFLAGS		+=	-mfloat-abi=soft
 endif

 TF_CFLAGS		+=	-Wsign-compare
 TF_CFLAGS		+=	-Wformat-signedness

 # Not needed for Cortex-A7
 WORKAROUND_CVE_2017_5715:=	0
 WORKAROUND_CVE_2022_23960:=	0

 # 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
 # such as metadata (2) to find all the FIP partitions (default is 2).
 PLAT_PARTITION_MAX_ENTRIES	:=	$(shell echo $$(($(STM32_TF_A_COPIES) + 4)))

 ifeq (${PSA_FWU_SUPPORT},1)
 # Number of banks of updatable firmware
 NR_OF_FW_BANKS			:=	2
 NR_OF_IMAGES_IN_FW_BANK		:=	1

 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

 ifeq ($(STM32MP13),1)
 STM32_HASH_VER		:=	4
 STM32_RNG_VER		:=	4
 else # Assuming STM32MP15
 STM32_HASH_VER		:=	2
 STM32_RNG_VER		:=	2
 endif

 # Boot devices
 STM32MP_EMMC		?=	0
 STM32MP_SDMMC		?=	0
 STM32MP_RAW_NAND	?=	0
 STM32MP_SPI_NAND	?=	0
 STM32MP_SPI_NOR		?=	0
 STM32MP_EMMC_BOOT	?=	0

 # Serial boot devices
 STM32MP_USB_PROGRAMMER	?=	0
 STM32MP_UART_PROGRAMMER	?=	0

 # Download load address for serial boot devices
 DWL_BUFFER_BASE 	?=	0xC7000000

 # Device tree
 ifeq ($(STM32MP13),1)
 BL2_DTSI		:=	stm32mp13-bl2.dtsi
 FDT_SOURCES		:=	$(addprefix ${BUILD_PLAT}/fdts/, $(patsubst %.dtb,%-bl2.dts,$(DTB_FILE_NAME)))
 else
 BL2_DTSI		:=	stm32mp15-bl2.dtsi
 FDT_SOURCES		:=	$(addprefix ${BUILD_PLAT}/fdts/, $(patsubst %.dtb,%-bl2.dts,$(DTB_FILE_NAME)))
 ifeq ($(AARCH32_SP),sp_min)
 BL32_DTSI		:=	stm32mp15-bl32.dtsi
 FDT_SOURCES		+=	$(addprefix ${BUILD_PLAT}/fdts/, $(patsubst %.dtb,%-bl32.dts,$(DTB_FILE_NAME)))
 endif
 endif

 $(eval DTC_V = $(shell $(DTC) -v | awk '{print $$NF}'))
 $(eval DTC_VERSION = $(shell printf "%d" $(shell echo ${DTC_V} | cut -d- -f1 | sed "s/\./0/g" | grep -o "[0-9]*")))
 DTC_CPPFLAGS		+=	${INCLUDES}
 DTC_FLAGS		+=	-Wno-unit_address_vs_reg
 ifeq ($(shell test $(DTC_VERSION) -ge 10601; echo $$?),0)
 DTC_FLAGS		+=	-Wno-interrupt_provider
 endif

 # Macros and rules to build TF binary
 STM32_TF_ELF_LDFLAGS	:=	--hash-style=gnu --as-needed
 STM32_TF_STM32		:=	$(addprefix ${BUILD_PLAT}/tf-a-, $(patsubst %.dtb,%.stm32,$(DTB_FILE_NAME)))
 STM32_TF_LINKERFILE	:=	${BUILD_PLAT}/stm32mp1.ld

 ASFLAGS			+= -DBL2_BIN_PATH=\"${BUILD_PLAT}/bl2.bin\"
 ifeq ($(AARCH32_SP),sp_min)
 # BL32 is built only if using SP_MIN
 BL32_DEP		:= bl32
 ASFLAGS			+= -DBL32_BIN_PATH=\"${BUILD_PLAT}/bl32.bin\"
 endif

 # Variables for use with stm32image
 STM32IMAGEPATH		?= tools/stm32image
 STM32IMAGE		?= ${STM32IMAGEPATH}/stm32image${BIN_EXT}
 STM32IMAGE_SRC		:= ${STM32IMAGEPATH}/stm32image.c

 FIP_DEPS		+=	dtbs
 STM32MP_HW_CONFIG	:=	${BL33_CFG}
 STM32MP_FW_CONFIG_NAME	:=	$(patsubst %.dtb,%-fw-config.dtb,$(DTB_FILE_NAME))
 STM32MP_FW_CONFIG	:=	${BUILD_PLAT}/fdts/$(STM32MP_FW_CONFIG_NAME)
 ifneq (${AARCH32_SP},none)
 FDT_SOURCES		+=	$(addprefix fdts/, $(patsubst %.dtb,%.dts,$(STM32MP_FW_CONFIG_NAME)))
 endif
 # Add the FW_CONFIG to FIP and specify the same to certtool
 $(eval $(call TOOL_ADD_PAYLOAD,${STM32MP_FW_CONFIG},--fw-config))
 # Add the HW_CONFIG to FIP and specify the same to certtool
 $(eval $(call TOOL_ADD_PAYLOAD,${STM32MP_HW_CONFIG},--hw-config))
 ifeq ($(GENERATE_COT),1)
 STM32MP_CFG_CERT	:=	$(BUILD_PLAT)/stm32mp_cfg_cert.crt
 # Add the STM32MP_CFG_CERT to FIP and specify the same to certtool
 $(eval $(call TOOL_ADD_PAYLOAD,${STM32MP_CFG_CERT},--stm32mp-cfg-cert))
 endif
 ifeq ($(AARCH32_SP),sp_min)
 STM32MP_TOS_FW_CONFIG	:= $(addprefix ${BUILD_PLAT}/fdts/, $(patsubst %.dtb,%-bl32.dtb,$(DTB_FILE_NAME)))
 $(eval $(call TOOL_ADD_PAYLOAD,${STM32MP_TOS_FW_CONFIG},--tos-fw-config))
 else
 # 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
 endif

 # Enable flags for C files
 $(eval $(call assert_booleans,\
 	$(sort \
 		PKA_USE_BRAINPOOL_P256T1 \
 		PKA_USE_NIST_P256 \
 		PLAT_TBBR_IMG_DEF \
 		PLAT_XLAT_TABLES_DYNAMIC \
 		STM32MP_CRYPTO_ROM_LIB \
 		STM32MP_DDR_32BIT_INTERFACE \
 		STM32MP_DDR_DUAL_AXI_PORT \
 		STM32MP_EARLY_CONSOLE \
 		STM32MP_EMMC \
 		STM32MP_EMMC_BOOT \
 		STM32MP_RAW_NAND \
 		STM32MP_RECONFIGURE_CONSOLE \
 		STM32MP_SDMMC \
 		STM32MP_SPI_NAND \
 		STM32MP_SPI_NOR \
 		STM32MP_UART_PROGRAMMER \
 		STM32MP_USB_PROGRAMMER \
 		STM32MP_USE_EXTERNAL_HEAP \
 		STM32MP13 \
 		STM32MP15 \
 )))

 $(eval $(call assert_numerics,\
 	$(sort \
 		PLAT_PARTITION_MAX_ENTRIES \
 		STM32_HASH_VER \
 		STM32_HEADER_VERSION_MAJOR \
 		STM32_RNG_VER \
 		STM32_TF_A_COPIES \
 		STM32_TF_VERSION \
 		STM32MP_UART_BAUDRATE \
 )))

 $(eval $(call add_defines,\
 	$(sort \
 		DWL_BUFFER_BASE \
 		PKA_USE_BRAINPOOL_P256T1 \
 		PKA_USE_NIST_P256 \
 		PLAT_PARTITION_MAX_ENTRIES \
 		PLAT_TBBR_IMG_DEF \
 		PLAT_XLAT_TABLES_DYNAMIC \
 		STM32_HASH_VER \
 		STM32_HEADER_VERSION_MAJOR \
 		STM32_RNG_VER \
 		STM32_TF_A_COPIES \
 		STM32_TF_VERSION \
 		STM32MP_CRYPTO_ROM_LIB \
 		STM32MP_DDR_32BIT_INTERFACE \
 		STM32MP_DDR_DUAL_AXI_PORT \
 		STM32MP_EARLY_CONSOLE \
 		STM32MP_EMMC \
 		STM32MP_EMMC_BOOT \
 		STM32MP_RAW_NAND \
 		STM32MP_RECONFIGURE_CONSOLE \
 		STM32MP_SDMMC \
 		STM32MP_SPI_NAND \
 		STM32MP_SPI_NOR \
 		STM32MP_UART_BAUDRATE \
 		STM32MP_UART_PROGRAMMER \
 		STM32MP_USB_PROGRAMMER \
 		STM32MP_USE_EXTERNAL_HEAP \
 		STM32MP13 \
 		STM32MP15 \
 )))

 # Include paths and source files
 PLAT_INCLUDES		:=	-Iplat/st/common/include/
 PLAT_INCLUDES		+=	-Iplat/st/stm32mp1/include/

 include lib/fconf/fconf.mk
 include lib/libfdt/libfdt.mk

 PLAT_BL_COMMON_SOURCES	:=	common/uuid.c						\
 				plat/st/common/stm32mp_common.c				\
 				plat/st/stm32mp1/stm32mp1_private.c

 PLAT_BL_COMMON_SOURCES	+=	drivers/st/uart/aarch32/stm32_console.S

 ifneq (${ENABLE_STACK_PROTECTOR},0)
 PLAT_BL_COMMON_SOURCES	+=	plat/st/stm32mp1/stm32mp1_stack_protector.c
 endif

 include lib/xlat_tables_v2/xlat_tables.mk
 PLAT_BL_COMMON_SOURCES	+=	${XLAT_TABLES_LIB_SRCS}

 PLAT_BL_COMMON_SOURCES	+=	lib/cpus/aarch32/cortex_a7.S

 PLAT_BL_COMMON_SOURCES	+=	drivers/arm/tzc/tzc400.c				\
 				drivers/clk/clk.c					\
 				drivers/delay_timer/delay_timer.c			\
 				drivers/delay_timer/generic_delay_timer.c		\
 				drivers/st/bsec/bsec2.c					\
 				drivers/st/clk/stm32mp_clkfunc.c			\
 				drivers/st/ddr/stm32mp_ddr.c				\
 				drivers/st/ddr/stm32mp1_ddr_helpers.c			\
 				drivers/st/gpio/stm32_gpio.c				\
 				drivers/st/i2c/stm32_i2c.c				\
 				drivers/st/iwdg/stm32_iwdg.c				\
 				drivers/st/pmic/stm32mp_pmic.c				\
 				drivers/st/pmic/stpmic1.c				\
 				drivers/st/regulator/regulator_core.c			\
 				drivers/st/regulator/regulator_fixed.c			\
 				drivers/st/reset/stm32mp1_reset.c			\
 				plat/st/common/stm32mp_dt.c				\
 				plat/st/stm32mp1/stm32mp1_dbgmcu.c			\
 				plat/st/stm32mp1/stm32mp1_helper.S			\
 				plat/st/stm32mp1/stm32mp1_syscfg.c

 ifeq ($(STM32MP13),1)
 PLAT_BL_COMMON_SOURCES	+=	drivers/st/clk/clk-stm32-core.c				\
 				drivers/st/clk/clk-stm32mp13.c				\
 				drivers/st/crypto/stm32_rng.c
 else
 PLAT_BL_COMMON_SOURCES	+=	drivers/st/clk/stm32mp1_clk.c
 endif

 BL2_SOURCES		+=	${FCONF_SOURCES} ${FCONF_DYN_SOURCES}

 BL2_SOURCES		+=	drivers/io/io_fip.c					\
 				plat/st/common/bl2_io_storage.c				\
 				plat/st/common/stm32mp_fconf_io.c			\
 				plat/st/stm32mp1/plat_bl2_mem_params_desc.c		\
 				plat/st/stm32mp1/stm32mp1_fconf_firewall.c

 include lib/zlib/zlib.mk

 ifeq (${PSA_FWU_SUPPORT},1)
 include drivers/fwu/fwu.mk
 endif


 BL2_SOURCES		+=	$(ZLIB_SOURCES)

 BL2_SOURCES		+=	drivers/io/io_block.c					\
 				drivers/io/io_mtd.c					\
 				drivers/io/io_storage.c					\
 				drivers/st/crypto/stm32_hash.c				\
 				plat/st/stm32mp1/bl2_plat_setup.c

 ifneq (${DECRYPTION_SUPPORT},none)
 BL2_SOURCES		+=	drivers/io/io_encrypted.c
 endif

 ifeq (${TRUSTED_BOARD_BOOT},1)
 AUTH_SOURCES		:=	drivers/auth/auth_mod.c					\
 				drivers/auth/crypto_mod.c				\
 				drivers/auth/img_parser_mod.c

 ifeq (${GENERATE_COT},1)
 TFW_NVCTR_VAL		:=	0
 NTFW_NVCTR_VAL		:=	0
 KEY_SIZE		:=
 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
 MBEDTLS_CONFIG_FILE	?=	"<stm32mp1_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

 ifeq ($(STM32MP13),1)
 AUTH_SOURCES		+=	drivers/st/crypto/stm32_pka.c
 AUTH_SOURCES		+=	drivers/st/crypto/stm32_saes.c
 endif

 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				\
 				drivers/st/io/io_mmc.c					\
 				drivers/st/mmc/stm32_sdmmc2.c
 endif

 ifeq (${STM32MP_RAW_NAND},1)
 $(eval $(call add_define_val,NAND_ONFI_DETECT,1))
 BL2_SOURCES		+=	drivers/mtd/nand/raw_nand.c				\
 				drivers/st/fmc/stm32_fmc2_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_SPI_NAND} ${STM32MP_SPI_NOR}),)
 BL2_SOURCES		+=	drivers/mtd/spi-mem/spi_mem.c				\
 				drivers/st/spi/stm32_qspi.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
 BL2_SOURCES		+=	drivers/mtd/nand/core.c
 endif

 ifneq ($(filter 1,${STM32MP_RAW_NAND} ${STM32MP_SPI_NAND} ${STM32MP_SPI_NOR}),)
 BL2_SOURCES		+=	plat/st/stm32mp1/stm32mp1_boot_device.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		+=	drivers/st/uart/stm32_uart.c				\
 				plat/st/common/stm32cubeprogrammer_uart.c
 endif

 ifeq (${STM32MP_USB_PROGRAMMER},1)
 #The DFU stack uses only one end point, reduce the USB stack footprint
 $(eval $(call add_define_val,CONFIG_USBD_EP_NB,1U))
 BL2_SOURCES		+=	drivers/st/usb/stm32mp1_usb.c				\
 				drivers/usb/usb_device.c				\
 				plat/st/common/stm32cubeprogrammer_usb.c		\
 				plat/st/common/usb_dfu.c					\
 				plat/st/stm32mp1/stm32mp1_usb_dfu.c
 endif

 BL2_SOURCES		+=	drivers/st/ddr/stm32mp_ddr_test.c			\
 				drivers/st/ddr/stm32mp_ram.c				\
 				drivers/st/ddr/stm32mp1_ddr.c				\
 				drivers/st/ddr/stm32mp1_ram.c

 BL2_SOURCES		+=	common/desc_image_load.c				\
 				plat/st/stm32mp1/plat_image_load.c

 BL2_SOURCES		+=	lib/optee/optee_utils.c

 # Compilation rules
 .PHONY: check_dtc_version stm32image clean_stm32image check_boot_device
 .SUFFIXES:

 all: check_dtc_version stm32image ${STM32_TF_STM32}

 distclean realclean clean: clean_stm32image

 bl2: check_boot_device

 check_boot_device:
 	@if [ ${STM32MP_EMMC} != 1 ] && \
 	    [ ${STM32MP_SDMMC} != 1 ] && \
 	    [ ${STM32MP_RAW_NAND} != 1 ] && \
 	    [ ${STM32MP_SPI_NAND} != 1 ] && \
 	    [ ${STM32MP_SPI_NOR} != 1 ] && \
 	    [ ${STM32MP_UART_PROGRAMMER} != 1 ] && \
 	    [ ${STM32MP_USB_PROGRAMMER} != 1 ]; then \
 		echo "No boot device driver is enabled"; \
 		false; \
 	fi

 stm32image: ${STM32IMAGE}

 ${STM32IMAGE}: ${STM32IMAGE_SRC}
 	${Q}${MAKE} CPPFLAGS="" --no-print-directory -C ${STM32IMAGEPATH}

 clean_stm32image:
 	${Q}${MAKE} --no-print-directory -C ${STM32IMAGEPATH} clean

 check_dtc_version:
 	@if [ ${DTC_VERSION} -lt 10404 ]; then \
 		echo "dtc version too old (${DTC_V}), you need at least version 1.4.4"; \
 		false; \
 	fi

 # Create DTB file for BL2
 ${BUILD_PLAT}/fdts/%-bl2.dts: fdts/%.dts fdts/${BL2_DTSI} | ${BUILD_PLAT} fdt_dirs
 	@echo '#include "$(patsubst fdts/%,%,$<)"' > $@
 	@echo '#include "${BL2_DTSI}"' >> $@

 ${BUILD_PLAT}/fdts/%-bl2.dtb: ${BUILD_PLAT}/fdts/%-bl2.dts

 ifeq ($(AARCH32_SP),sp_min)
 # Create DTB file for BL32
 ${BUILD_PLAT}/fdts/%-bl32.dts: fdts/%.dts fdts/${BL32_DTSI} | ${BUILD_PLAT} fdt_dirs
 	@echo '#include "$(patsubst fdts/%,%,$<)"' > $@
 	@echo '#include "${BL32_DTSI}"' >> $@

 ${BUILD_PLAT}/fdts/%-bl32.dtb: ${BUILD_PLAT}/fdts/%-bl32.dts
 endif

 ${BUILD_PLAT}/stm32mp1-%.o: ${BUILD_PLAT}/fdts/%-bl2.dtb plat/st/stm32mp1/stm32mp1.S bl2
 	@echo "  AS      stm32mp1.S"
 	${Q}${AS} ${ASFLAGS} ${TF_CFLAGS} \
 		-DDTB_BIN_PATH=\"$<\" \
 		-c plat/st/stm32mp1/stm32mp1.S -o $@

 $(eval $(call MAKE_LD,${STM32_TF_LINKERFILE},plat/st/stm32mp1/stm32mp1.ld.S,bl2))

 tf-a-%.elf: stm32mp1-%.o ${STM32_TF_LINKERFILE}
 	@echo "  LDS     $<"
 	${Q}${LD} -o $@ ${STM32_TF_ELF_LDFLAGS} -Map=$(@:.elf=.map) --script ${STM32_TF_LINKERFILE} $<

 tf-a-%.bin: tf-a-%.elf
 	${Q}${OC} -O binary $< $@
 	@echo
 	@echo "Built $@ successfully"
 	@echo

 tf-a-%.stm32: ${STM32IMAGE} tf-a-%.bin
 	@echo
 	@echo "Generate $@"
 	$(eval LOADADDR = $(shell cat $(@:.stm32=.map) | grep RAM | awk '{print $$2}'))
 	$(eval ENTRY = $(shell cat $(@:.stm32=.map) | grep "__BL2_IMAGE_START" | awk '{print $$1}'))
 	${Q}${STM32IMAGE} -s $(word 2,$^) -d $@ \
 		-l $(LOADADDR) -e ${ENTRY} \
 		-v ${STM32_TF_VERSION} \
 		-m ${STM32_HEADER_VERSION_MAJOR} \
 		-n ${STM32_HEADER_VERSION_MINOR} \
 		-b ${STM32_HEADER_BL2_BINARY_TYPE}
 	@echo
	#
	# Copyright (c) 2015-2022, ARM Limited and Contributors. All rights reserved.
	#
	# SPDX-License-Identifier: BSD-3-Clause
	#

	ARM_CORTEX_A7 := yes
	ARM_WITH_NEON := yes
	BL2_AT_EL3 := 1
	USE_COHERENT_MEM := 0

	STM32MP_EARLY_CONSOLE ?= 0
	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

	# Default Device tree
	DTB_FILE_NAME ?= stm32mp157c-ev1.dtb

	STM32MP13 ?= 0
	STM32MP15 ?= 0

	ifeq ($(STM32MP13),1)
	ifeq ($(STM32MP15),1)
	$(error Cannot enable both flags STM32MP13 and STM32MP15)
	endif
	STM32MP13 := 1
	STM32MP15 := 0
	else ifeq ($(STM32MP15),1)
	STM32MP13 := 0
	STM32MP15 := 1
	else ifneq ($(findstring stm32mp13,$(DTB_FILE_NAME)),)
	STM32MP13 := 1
	STM32MP15 := 0
	else ifneq ($(findstring stm32mp15,$(DTB_FILE_NAME)),)
	STM32MP13 := 0
	STM32MP15 := 1
	endif

	ifeq ($(STM32MP13),1)
	# Will use SRAM2 as mbedtls heap
	STM32MP_USE_EXTERNAL_HEAP := 1

	# DDR controller with single AXI port and 16-bit interface
	STM32MP_DDR_DUAL_AXI_PORT:= 0
	STM32MP_DDR_32BIT_INTERFACE:= 0

	ifeq (${TRUSTED_BOARD_BOOT},1)
	# PKA algo to include
	PKA_USE_NIST_P256 := 1
	PKA_USE_BRAINPOOL_P256T1:= 1
	endif

	# STM32 image header version v2.0
	STM32_HEADER_VERSION_MAJOR:= 2
	STM32_HEADER_VERSION_MINOR:= 0
	endif

	ifeq ($(STM32MP15),1)
	# DDR controller with dual AXI port and 32-bit interface
	STM32MP_DDR_DUAL_AXI_PORT:= 1
	STM32MP_DDR_32BIT_INTERFACE:= 1

	# STM32 image header version v1.0
	STM32_HEADER_VERSION_MAJOR:= 1
	STM32_HEADER_VERSION_MINOR:= 0

	# Add OP-TEE reserved shared memory area in mapping
	STM32MP15_OPTEE_RSV_SHM := 1
	$(eval $(call add_defines,STM32MP15_OPTEE_RSV_SHM))

	STM32MP_CRYPTO_ROM_LIB := 1

	# Decryption support
	ifneq ($(DECRYPTION_SUPPORT),none)
	$(error "DECRYPTION_SUPPORT not supported on STM32MP15")
	endif
	endif

	# STM32 image header binary type for BL2
	STM32_HEADER_BL2_BINARY_TYPE:= 0x10

	ifeq ($(AARCH32_SP),sp_min)
	# Disable Neon support: sp_min runtime may conflict with non-secure world
	TF_CFLAGS += -mfloat-abi=soft
	endif

	TF_CFLAGS += -Wsign-compare
	TF_CFLAGS += -Wformat-signedness

	# Not needed for Cortex-A7
	WORKAROUND_CVE_2017_5715:= 0
	WORKAROUND_CVE_2022_23960:= 0

	# 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
	# such as metadata (2) to find all the FIP partitions (default is 2).
	PLAT_PARTITION_MAX_ENTRIES := $(shell echo $$(($(STM32_TF_A_COPIES) + 4)))

	ifeq (${PSA_FWU_SUPPORT},1)
	# Number of banks of updatable firmware
	NR_OF_FW_BANKS := 2
	NR_OF_IMAGES_IN_FW_BANK := 1

	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

	ifeq ($(STM32MP13),1)
	STM32_HASH_VER := 4
	STM32_RNG_VER := 4
	else # Assuming STM32MP15
	STM32_HASH_VER := 2
	STM32_RNG_VER := 2
	endif

	# Boot devices
	STM32MP_EMMC ?= 0
	STM32MP_SDMMC ?= 0
	STM32MP_RAW_NAND ?= 0
	STM32MP_SPI_NAND ?= 0
	STM32MP_SPI_NOR ?= 0
	STM32MP_EMMC_BOOT ?= 0

	# Serial boot devices
	STM32MP_USB_PROGRAMMER ?= 0
	STM32MP_UART_PROGRAMMER ?= 0

	# Download load address for serial boot devices
	DWL_BUFFER_BASE ?= 0xC7000000

	# Device tree
	ifeq ($(STM32MP13),1)
	BL2_DTSI := stm32mp13-bl2.dtsi
	FDT_SOURCES := $(addprefix ${BUILD_PLAT}/fdts/, $(patsubst %.dtb,%-bl2.dts,$(DTB_FILE_NAME)))
	else
	BL2_DTSI := stm32mp15-bl2.dtsi
	FDT_SOURCES := $(addprefix ${BUILD_PLAT}/fdts/, $(patsubst %.dtb,%-bl2.dts,$(DTB_FILE_NAME)))
	ifeq ($(AARCH32_SP),sp_min)
	BL32_DTSI := stm32mp15-bl32.dtsi
	FDT_SOURCES += $(addprefix ${BUILD_PLAT}/fdts/, $(patsubst %.dtb,%-bl32.dts,$(DTB_FILE_NAME)))
	endif
	endif

	$(eval DTC_V = $(shell $(DTC) -v \| awk '{print $$NF}'))
	$(eval DTC_VERSION = $(shell printf "%d" $(shell echo ${DTC_V} \| cut -d- -f1 \| sed "s/\./0/g" \| grep -o "[0-9]*")))
	DTC_CPPFLAGS += ${INCLUDES}
	DTC_FLAGS += -Wno-unit_address_vs_reg
	ifeq ($(shell test $(DTC_VERSION) -ge 10601; echo $$?),0)
	DTC_FLAGS += -Wno-interrupt_provider
	endif

	# Macros and rules to build TF binary
	STM32_TF_ELF_LDFLAGS := --hash-style=gnu --as-needed
	STM32_TF_STM32 := $(addprefix ${BUILD_PLAT}/tf-a-, $(patsubst %.dtb,%.stm32,$(DTB_FILE_NAME)))
	STM32_TF_LINKERFILE := ${BUILD_PLAT}/stm32mp1.ld

	ASFLAGS += -DBL2_BIN_PATH=\"${BUILD_PLAT}/bl2.bin\"
	ifeq ($(AARCH32_SP),sp_min)
	# BL32 is built only if using SP_MIN
	BL32_DEP := bl32
	ASFLAGS += -DBL32_BIN_PATH=\"${BUILD_PLAT}/bl32.bin\"
	endif

	# Variables for use with stm32image
	STM32IMAGEPATH ?= tools/stm32image
	STM32IMAGE ?= ${STM32IMAGEPATH}/stm32image${BIN_EXT}
	STM32IMAGE_SRC := ${STM32IMAGEPATH}/stm32image.c

	FIP_DEPS += dtbs
	STM32MP_HW_CONFIG := ${BL33_CFG}
	STM32MP_FW_CONFIG_NAME := $(patsubst %.dtb,%-fw-config.dtb,$(DTB_FILE_NAME))
	STM32MP_FW_CONFIG := ${BUILD_PLAT}/fdts/$(STM32MP_FW_CONFIG_NAME)
	ifneq (${AARCH32_SP},none)
	FDT_SOURCES += $(addprefix fdts/, $(patsubst %.dtb,%.dts,$(STM32MP_FW_CONFIG_NAME)))
	endif
	# Add the FW_CONFIG to FIP and specify the same to certtool
	$(eval $(call TOOL_ADD_PAYLOAD,${STM32MP_FW_CONFIG},--fw-config))
	# Add the HW_CONFIG to FIP and specify the same to certtool
	$(eval $(call TOOL_ADD_PAYLOAD,${STM32MP_HW_CONFIG},--hw-config))
	ifeq ($(GENERATE_COT),1)
	STM32MP_CFG_CERT := $(BUILD_PLAT)/stm32mp_cfg_cert.crt
	# Add the STM32MP_CFG_CERT to FIP and specify the same to certtool
	$(eval $(call TOOL_ADD_PAYLOAD,${STM32MP_CFG_CERT},--stm32mp-cfg-cert))
	endif
	ifeq ($(AARCH32_SP),sp_min)
	STM32MP_TOS_FW_CONFIG := $(addprefix ${BUILD_PLAT}/fdts/, $(patsubst %.dtb,%-bl32.dtb,$(DTB_FILE_NAME)))
	$(eval $(call TOOL_ADD_PAYLOAD,${STM32MP_TOS_FW_CONFIG},--tos-fw-config))
	else
	# 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
	endif

	# Enable flags for C files
	$(eval $(call assert_booleans,\
	$(sort \
	PKA_USE_BRAINPOOL_P256T1 \
	PKA_USE_NIST_P256 \
	PLAT_TBBR_IMG_DEF \
	PLAT_XLAT_TABLES_DYNAMIC \
	STM32MP_CRYPTO_ROM_LIB \
	STM32MP_DDR_32BIT_INTERFACE \
	STM32MP_DDR_DUAL_AXI_PORT \
	STM32MP_EARLY_CONSOLE \
	STM32MP_EMMC \
	STM32MP_EMMC_BOOT \
	STM32MP_RAW_NAND \
	STM32MP_RECONFIGURE_CONSOLE \
	STM32MP_SDMMC \
	STM32MP_SPI_NAND \
	STM32MP_SPI_NOR \
	STM32MP_UART_PROGRAMMER \
	STM32MP_USB_PROGRAMMER \
	STM32MP_USE_EXTERNAL_HEAP \
	STM32MP13 \
	STM32MP15 \
	)))

	$(eval $(call assert_numerics,\
	$(sort \
	PLAT_PARTITION_MAX_ENTRIES \
	STM32_HASH_VER \
	STM32_HEADER_VERSION_MAJOR \
	STM32_RNG_VER \
	STM32_TF_A_COPIES \
	STM32_TF_VERSION \
	STM32MP_UART_BAUDRATE \
	)))

	$(eval $(call add_defines,\
	$(sort \
	DWL_BUFFER_BASE \
	PKA_USE_BRAINPOOL_P256T1 \
	PKA_USE_NIST_P256 \
	PLAT_PARTITION_MAX_ENTRIES \
	PLAT_TBBR_IMG_DEF \
	PLAT_XLAT_TABLES_DYNAMIC \
	STM32_HASH_VER \
	STM32_HEADER_VERSION_MAJOR \
	STM32_RNG_VER \
	STM32_TF_A_COPIES \
	STM32_TF_VERSION \
	STM32MP_CRYPTO_ROM_LIB \
	STM32MP_DDR_32BIT_INTERFACE \
	STM32MP_DDR_DUAL_AXI_PORT \
	STM32MP_EARLY_CONSOLE \
	STM32MP_EMMC \
	STM32MP_EMMC_BOOT \
	STM32MP_RAW_NAND \
	STM32MP_RECONFIGURE_CONSOLE \
	STM32MP_SDMMC \
	STM32MP_SPI_NAND \
	STM32MP_SPI_NOR \
	STM32MP_UART_BAUDRATE \
	STM32MP_UART_PROGRAMMER \
	STM32MP_USB_PROGRAMMER \
	STM32MP_USE_EXTERNAL_HEAP \
	STM32MP13 \
	STM32MP15 \
	)))

	# Include paths and source files
	PLAT_INCLUDES := -Iplat/st/common/include/
	PLAT_INCLUDES += -Iplat/st/stm32mp1/include/

	include lib/fconf/fconf.mk
	include lib/libfdt/libfdt.mk

	PLAT_BL_COMMON_SOURCES := common/uuid.c \
	plat/st/common/stm32mp_common.c \
	plat/st/stm32mp1/stm32mp1_private.c

	PLAT_BL_COMMON_SOURCES += drivers/st/uart/aarch32/stm32_console.S

	ifneq (${ENABLE_STACK_PROTECTOR},0)
	PLAT_BL_COMMON_SOURCES += plat/st/stm32mp1/stm32mp1_stack_protector.c
	endif

	include lib/xlat_tables_v2/xlat_tables.mk
	PLAT_BL_COMMON_SOURCES += ${XLAT_TABLES_LIB_SRCS}

	PLAT_BL_COMMON_SOURCES += lib/cpus/aarch32/cortex_a7.S

	PLAT_BL_COMMON_SOURCES += drivers/arm/tzc/tzc400.c \
	drivers/clk/clk.c \
	drivers/delay_timer/delay_timer.c \
	drivers/delay_timer/generic_delay_timer.c \
	drivers/st/bsec/bsec2.c \
	drivers/st/clk/stm32mp_clkfunc.c \
	drivers/st/ddr/stm32mp_ddr.c \
	drivers/st/ddr/stm32mp1_ddr_helpers.c \
	drivers/st/gpio/stm32_gpio.c \
	drivers/st/i2c/stm32_i2c.c \
	drivers/st/iwdg/stm32_iwdg.c \
	drivers/st/pmic/stm32mp_pmic.c \
	drivers/st/pmic/stpmic1.c \
	drivers/st/regulator/regulator_core.c \
	drivers/st/regulator/regulator_fixed.c \
	drivers/st/reset/stm32mp1_reset.c \
	plat/st/common/stm32mp_dt.c \
	plat/st/stm32mp1/stm32mp1_dbgmcu.c \
	plat/st/stm32mp1/stm32mp1_helper.S \
	plat/st/stm32mp1/stm32mp1_syscfg.c

	ifeq ($(STM32MP13),1)
	PLAT_BL_COMMON_SOURCES += drivers/st/clk/clk-stm32-core.c \
	drivers/st/clk/clk-stm32mp13.c \
	drivers/st/crypto/stm32_rng.c
	else
	PLAT_BL_COMMON_SOURCES += drivers/st/clk/stm32mp1_clk.c
	endif

	BL2_SOURCES += ${FCONF_SOURCES} ${FCONF_DYN_SOURCES}

	BL2_SOURCES += drivers/io/io_fip.c \
	plat/st/common/bl2_io_storage.c \
	plat/st/common/stm32mp_fconf_io.c \
	plat/st/stm32mp1/plat_bl2_mem_params_desc.c \
	plat/st/stm32mp1/stm32mp1_fconf_firewall.c

	include lib/zlib/zlib.mk

	ifeq (${PSA_FWU_SUPPORT},1)
	include drivers/fwu/fwu.mk
	endif


	BL2_SOURCES += $(ZLIB_SOURCES)

	BL2_SOURCES += drivers/io/io_block.c \
	drivers/io/io_mtd.c \
	drivers/io/io_storage.c \
	drivers/st/crypto/stm32_hash.c \
	plat/st/stm32mp1/bl2_plat_setup.c

	ifneq (${DECRYPTION_SUPPORT},none)
	BL2_SOURCES += drivers/io/io_encrypted.c
	endif

	ifeq (${TRUSTED_BOARD_BOOT},1)
	AUTH_SOURCES := drivers/auth/auth_mod.c \
	drivers/auth/crypto_mod.c \
	drivers/auth/img_parser_mod.c

	ifeq (${GENERATE_COT},1)
	TFW_NVCTR_VAL := 0
	NTFW_NVCTR_VAL := 0
	KEY_SIZE :=
	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
	MBEDTLS_CONFIG_FILE ?= "<stm32mp1_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

	ifeq ($(STM32MP13),1)
	AUTH_SOURCES += drivers/st/crypto/stm32_pka.c
	AUTH_SOURCES += drivers/st/crypto/stm32_saes.c
	endif

	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 \
	drivers/st/io/io_mmc.c \
	drivers/st/mmc/stm32_sdmmc2.c
	endif

	ifeq (${STM32MP_RAW_NAND},1)
	$(eval $(call add_define_val,NAND_ONFI_DETECT,1))
	BL2_SOURCES += drivers/mtd/nand/raw_nand.c \
	drivers/st/fmc/stm32_fmc2_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_SPI_NAND} ${STM32MP_SPI_NOR}),)
	BL2_SOURCES += drivers/mtd/spi-mem/spi_mem.c \
	drivers/st/spi/stm32_qspi.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
	BL2_SOURCES += drivers/mtd/nand/core.c
	endif

	ifneq ($(filter 1,${STM32MP_RAW_NAND} ${STM32MP_SPI_NAND} ${STM32MP_SPI_NOR}),)
	BL2_SOURCES += plat/st/stm32mp1/stm32mp1_boot_device.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 += drivers/st/uart/stm32_uart.c \
	plat/st/common/stm32cubeprogrammer_uart.c
	endif

	ifeq (${STM32MP_USB_PROGRAMMER},1)
	#The DFU stack uses only one end point, reduce the USB stack footprint
	$(eval $(call add_define_val,CONFIG_USBD_EP_NB,1U))
	BL2_SOURCES += drivers/st/usb/stm32mp1_usb.c \
	drivers/usb/usb_device.c \
	plat/st/common/stm32cubeprogrammer_usb.c \
	plat/st/common/usb_dfu.c \
	plat/st/stm32mp1/stm32mp1_usb_dfu.c
	endif

	BL2_SOURCES += drivers/st/ddr/stm32mp_ddr_test.c \
	drivers/st/ddr/stm32mp_ram.c \
	drivers/st/ddr/stm32mp1_ddr.c \
	drivers/st/ddr/stm32mp1_ram.c

	BL2_SOURCES += common/desc_image_load.c \
	plat/st/stm32mp1/plat_image_load.c

	BL2_SOURCES += lib/optee/optee_utils.c

	# Compilation rules
	.PHONY: check_dtc_version stm32image clean_stm32image check_boot_device
	.SUFFIXES:

	all: check_dtc_version stm32image ${STM32_TF_STM32}

	distclean realclean clean: clean_stm32image

	bl2: check_boot_device

	check_boot_device:
	@if [ ${STM32MP_EMMC} != 1 ] && \
	[ ${STM32MP_SDMMC} != 1 ] && \
	[ ${STM32MP_RAW_NAND} != 1 ] && \
	[ ${STM32MP_SPI_NAND} != 1 ] && \
	[ ${STM32MP_SPI_NOR} != 1 ] && \
	[ ${STM32MP_UART_PROGRAMMER} != 1 ] && \
	[ ${STM32MP_USB_PROGRAMMER} != 1 ]; then \
	echo "No boot device driver is enabled"; \
	false; \
	fi

	stm32image: ${STM32IMAGE}

	${STM32IMAGE}: ${STM32IMAGE_SRC}
	${Q}${MAKE} CPPFLAGS="" --no-print-directory -C ${STM32IMAGEPATH}

	clean_stm32image:
	${Q}${MAKE} --no-print-directory -C ${STM32IMAGEPATH} clean

	check_dtc_version:
	@if [ ${DTC_VERSION} -lt 10404 ]; then \
	echo "dtc version too old (${DTC_V}), you need at least version 1.4.4"; \
	false; \
	fi

	# Create DTB file for BL2
	${BUILD_PLAT}/fdts/%-bl2.dts: fdts/%.dts fdts/${BL2_DTSI} \| ${BUILD_PLAT} fdt_dirs
	@echo '#include "$(patsubst fdts/%,%,$<)"' > $@
	@echo '#include "${BL2_DTSI}"' >> $@

	${BUILD_PLAT}/fdts/%-bl2.dtb: ${BUILD_PLAT}/fdts/%-bl2.dts

	ifeq ($(AARCH32_SP),sp_min)
	# Create DTB file for BL32
	${BUILD_PLAT}/fdts/%-bl32.dts: fdts/%.dts fdts/${BL32_DTSI} \| ${BUILD_PLAT} fdt_dirs
	@echo '#include "$(patsubst fdts/%,%,$<)"' > $@
	@echo '#include "${BL32_DTSI}"' >> $@

	${BUILD_PLAT}/fdts/%-bl32.dtb: ${BUILD_PLAT}/fdts/%-bl32.dts
	endif

	${BUILD_PLAT}/stm32mp1-%.o: ${BUILD_PLAT}/fdts/%-bl2.dtb plat/st/stm32mp1/stm32mp1.S bl2
	@echo " AS stm32mp1.S"
	${Q}${AS} ${ASFLAGS} ${TF_CFLAGS} \
	-DDTB_BIN_PATH=\"$<\" \
	-c plat/st/stm32mp1/stm32mp1.S -o $@

	$(eval $(call MAKE_LD,${STM32_TF_LINKERFILE},plat/st/stm32mp1/stm32mp1.ld.S,bl2))

	tf-a-%.elf: stm32mp1-%.o ${STM32_TF_LINKERFILE}
	@echo " LDS $<"
	${Q}${LD} -o $@ ${STM32_TF_ELF_LDFLAGS} -Map=$(@:.elf=.map) --script ${STM32_TF_LINKERFILE} $<

	tf-a-%.bin: tf-a-%.elf
	${Q}${OC} -O binary $< $@
	@echo
	@echo "Built $@ successfully"
	@echo

	tf-a-%.stm32: ${STM32IMAGE} tf-a-%.bin
	@echo
	@echo "Generate $@"
	$(eval LOADADDR = $(shell cat $(@:.stm32=.map) \| grep RAM \| awk '{print $$2}'))
	$(eval ENTRY = $(shell cat $(@:.stm32=.map) \| grep "__BL2_IMAGE_START" \| awk '{print $$1}'))
	${Q}${STM32IMAGE} -s $(word 2,$^) -d $@ \
	-l $(LOADADDR) -e ${ENTRY} \
	-v ${STM32_TF_VERSION} \
	-m ${STM32_HEADER_VERSION_MAJOR} \
	-n ${STM32_HEADER_VERSION_MINOR} \
	-b ${STM32_HEADER_BL2_BINARY_TYPE}
	@echo