1# 2# Copyright (c) 2015-2025, Arm Limited and Contributors. All rights reserved. 3# 4# SPDX-License-Identifier: BSD-3-Clause 5# 6 7# Extra partitions used to find FIP, contains: 8# metadata (2) and the FIP partitions (default is 2). 9STM32_EXTRA_PARTS := 4 10 11include plat/st/common/common.mk 12 13ARM_CORTEX_A7 := yes 14ARM_WITH_NEON := yes 15USE_COHERENT_MEM := 0 16 17# Default Device tree 18DTB_FILE_NAME ?= stm32mp157c-ev1.dtb 19 20TF_CFLAGS += -DSTM32MP1X 21 22STM32MP13 ?= 0 23STM32MP15 ?= 0 24 25ifeq ($(STM32MP13),1) 26ifeq ($(STM32MP15),1) 27$(error Cannot enable both flags STM32MP13 and STM32MP15) 28endif 29STM32MP13 := 1 30STM32MP15 := 0 31else ifeq ($(STM32MP15),1) 32STM32MP13 := 0 33STM32MP15 := 1 34else ifneq ($(findstring stm32mp13,$(DTB_FILE_NAME)),) 35STM32MP13 := 1 36STM32MP15 := 0 37else ifneq ($(findstring stm32mp15,$(DTB_FILE_NAME)),) 38STM32MP13 := 0 39STM32MP15 := 1 40endif 41 42ifeq ($(STM32MP13),1) 43# Will use SRAM2 as mbedtls heap 44STM32MP_USE_EXTERNAL_HEAP := 1 45 46# DDR controller with single AXI port and 16-bit interface 47STM32MP_DDR_DUAL_AXI_PORT:= 0 48STM32MP_DDR_32BIT_INTERFACE:= 0 49 50ifeq (${TRUSTED_BOARD_BOOT},1) 51# PKA algo to include 52PKA_USE_NIST_P256 := 1 53PKA_USE_BRAINPOOL_P256T1:= 1 54endif 55 56# STM32 image header version v2.0 57STM32_HEADER_VERSION_MAJOR:= 2 58STM32_HEADER_VERSION_MINOR:= 0 59endif 60 61ifeq ($(STM32MP15),1) 62# DDR controller with dual AXI port and 32-bit interface 63STM32MP_DDR_DUAL_AXI_PORT:= 1 64STM32MP_DDR_32BIT_INTERFACE:= 1 65 66# STM32 image header version v1.0 67STM32_HEADER_VERSION_MAJOR:= 1 68STM32_HEADER_VERSION_MINOR:= 0 69STM32MP_CRYPTO_ROM_LIB := 1 70 71# Decryption support 72ifneq ($(DECRYPTION_SUPPORT),none) 73$(error "DECRYPTION_SUPPORT not supported on STM32MP15") 74endif 75endif 76 77PKA_USE_NIST_P256 ?= 0 78PKA_USE_BRAINPOOL_P256T1 ?= 0 79 80ifeq ($(AARCH32_SP),sp_min) 81# Disable Neon support: sp_min runtime may conflict with non-secure world 82TF_CFLAGS += -mfloat-abi=soft 83endif 84 85# Not needed for Cortex-A7 86WORKAROUND_CVE_2017_5715:= 0 87WORKAROUND_CVE_2022_23960:= 0 88 89ifeq ($(STM32MP13),1) 90STM32_HASH_VER := 4 91STM32_RNG_VER := 4 92STM32_RNG_VER_MINOR := 2 93else # Assuming STM32MP15 94STM32_HASH_VER := 2 95STM32_RNG_VER := 2 96STM32_RNG_VER_MINOR := 1 97endif 98 99# Download load address for serial boot devices 100DWL_BUFFER_BASE ?= 0xC7000000 101 102# Device tree 103ifeq ($(STM32MP13),1) 104BL2_DTSI := stm32mp13-bl2.dtsi 105FDT_SOURCES := $(addprefix ${BUILD_PLAT}/fdts/, $(patsubst %.dtb,%-bl2.dts,$(DTB_FILE_NAME))) 106else 107BL2_DTSI := stm32mp15-bl2.dtsi 108FDT_SOURCES := $(addprefix ${BUILD_PLAT}/fdts/, $(patsubst %.dtb,%-bl2.dts,$(DTB_FILE_NAME))) 109ifeq ($(AARCH32_SP),sp_min) 110BL32_DTSI := stm32mp15-bl32.dtsi 111FDT_SOURCES += $(addprefix ${BUILD_PLAT}/fdts/, $(patsubst %.dtb,%-bl32.dts,$(DTB_FILE_NAME))) 112ifneq (,$(wildcard $(patsubst %.dtb,fdts/%-sp_min.dts,$(DTB_FILE_NAME)))) 113ifeq (,$(findstring -sp_min,$(DTB_FILE_NAME))) 114SP_EXT := -sp_min 115endif 116endif 117endif 118endif 119 120# Macros and rules to build TF binary 121STM32_TF_STM32 := $(addprefix ${BUILD_PLAT}/tf-a-, $(patsubst %.dtb,%.stm32,$(DTB_FILE_NAME))) 122STM32_LD_FILE := plat/st/stm32mp1/stm32mp1.ld.S 123STM32_BINARY_MAPPING := plat/st/stm32mp1/stm32mp1.S 124 125ifeq ($(AARCH32_SP),sp_min) 126# BL32 is built only if using SP_MIN 127BL32_DEP := bl32 128ASFLAGS += -DBL32_BIN_PATH=\"${BUILD_PLAT}/bl32.bin\" 129endif 130 131STM32MP_FW_CONFIG_NAME := $(patsubst %.dtb,%-fw-config.dtb,$(DTB_FILE_NAME)) 132STM32MP_FW_CONFIG := ${BUILD_PLAT}/fdts/$(STM32MP_FW_CONFIG_NAME) 133ifneq (${AARCH32_SP},none) 134FDT_SOURCES += $(addprefix fdts/, $(patsubst %.dtb,%.dts,$(STM32MP_FW_CONFIG_NAME))) 135endif 136# Add the FW_CONFIG to FIP and specify the same to certtool 137$(eval $(call TOOL_ADD_PAYLOAD,${STM32MP_FW_CONFIG},--fw-config)) 138ifeq ($(GENERATE_COT),1) 139STM32MP_CFG_CERT := $(BUILD_PLAT)/stm32mp_cfg_cert.crt 140# Add the STM32MP_CFG_CERT to FIP and specify the same to certtool 141$(eval $(call TOOL_ADD_PAYLOAD,${STM32MP_CFG_CERT},--stm32mp-cfg-cert)) 142endif 143ifeq ($(AARCH32_SP),sp_min) 144STM32MP_TOS_FW_CONFIG := $(addprefix ${BUILD_PLAT}/fdts/, $(patsubst %.dtb,%-bl32.dtb,$(DTB_FILE_NAME))) 145$(eval $(call TOOL_ADD_PAYLOAD,${STM32MP_TOS_FW_CONFIG},--tos-fw-config)) 146endif 147 148# Enable flags for C files 149$(eval $(call assert_booleans,\ 150 $(sort \ 151 PKA_USE_BRAINPOOL_P256T1 \ 152 PKA_USE_NIST_P256 \ 153 STM32MP_CRYPTO_ROM_LIB \ 154 STM32MP_DDR_32BIT_INTERFACE \ 155 STM32MP_DDR_DUAL_AXI_PORT \ 156 STM32MP_USE_EXTERNAL_HEAP \ 157 STM32MP13 \ 158 STM32MP15 \ 159))) 160 161$(eval $(call assert_numerics,\ 162 $(sort \ 163 PLAT_PARTITION_MAX_ENTRIES \ 164 STM32_HASH_VER \ 165 STM32_HEADER_VERSION_MAJOR \ 166 STM32_RNG_VER \ 167 STM32_RNG_VER_MINOR \ 168 STM32_TF_A_COPIES \ 169))) 170 171$(eval $(call add_defines,\ 172 $(sort \ 173 DWL_BUFFER_BASE \ 174 PKA_USE_BRAINPOOL_P256T1 \ 175 PKA_USE_NIST_P256 \ 176 PLAT_PARTITION_MAX_ENTRIES \ 177 PLAT_TBBR_IMG_DEF \ 178 STM32_HASH_VER \ 179 STM32_HEADER_VERSION_MAJOR \ 180 STM32_RNG_VER \ 181 STM32_RNG_VER_MINOR \ 182 STM32_TF_A_COPIES \ 183 STM32MP_CRYPTO_ROM_LIB \ 184 STM32MP_DDR_32BIT_INTERFACE \ 185 STM32MP_DDR_DUAL_AXI_PORT \ 186 STM32MP_USE_EXTERNAL_HEAP \ 187 STM32MP13 \ 188 STM32MP15 \ 189))) 190 191# Include paths and source files 192PLAT_INCLUDES += -Iplat/st/stm32mp1/include/ 193 194PLAT_BL_COMMON_SOURCES += plat/st/stm32mp1/stm32mp1_private.c 195 196PLAT_BL_COMMON_SOURCES += drivers/st/uart/aarch32/stm32_console.S 197 198ifneq (${ENABLE_STACK_PROTECTOR},0) 199PLAT_BL_COMMON_SOURCES += plat/st/stm32mp1/stm32mp1_stack_protector.c 200endif 201 202PLAT_BL_COMMON_SOURCES += lib/cpus/aarch32/cortex_a7.S 203 204PLAT_BL_COMMON_SOURCES += drivers/arm/tzc/tzc400.c \ 205 drivers/st/bsec/bsec2.c \ 206 drivers/st/ddr/stm32mp1_ddr_helpers.c \ 207 drivers/st/i2c/stm32_i2c.c \ 208 drivers/st/iwdg/stm32_iwdg.c \ 209 drivers/st/pmic/stm32mp_pmic.c \ 210 drivers/st/pmic/stpmic1.c \ 211 drivers/st/reset/stm32mp1_reset.c \ 212 plat/st/stm32mp1/stm32mp1_dbgmcu.c \ 213 plat/st/stm32mp1/stm32mp1_helper.S \ 214 plat/st/stm32mp1/stm32mp1_syscfg.c 215 216ifeq ($(STM32MP13),1) 217PLAT_BL_COMMON_SOURCES += drivers/st/clk/clk-stm32-core.c \ 218 drivers/st/clk/clk-stm32mp13.c \ 219 drivers/st/crypto/stm32_rng.c 220else 221PLAT_BL_COMMON_SOURCES += drivers/st/clk/stm32mp1_clk.c 222endif 223 224BL2_SOURCES += plat/st/stm32mp1/plat_bl2_mem_params_desc.c \ 225 plat/st/stm32mp1/stm32mp1_fconf_firewall.c 226 227BL2_SOURCES += drivers/st/crypto/stm32_hash.c \ 228 plat/st/stm32mp1/bl2_plat_setup.c 229 230ifeq ($(STM32MP13),1) 231BL2_SOURCES += drivers/st/mce/stm32_mce.c 232endif 233 234ifeq (${TRUSTED_BOARD_BOOT},1) 235ifeq ($(STM32MP13),1) 236BL2_SOURCES += drivers/st/crypto/stm32_pka.c 237BL2_SOURCES += drivers/st/crypto/stm32_saes.c 238endif 239endif 240 241ifneq ($(filter 1,${STM32MP_EMMC} ${STM32MP_SDMMC}),) 242BL2_SOURCES += drivers/st/mmc/stm32_sdmmc2.c 243endif 244 245ifeq (${STM32MP_RAW_NAND},1) 246BL2_SOURCES += drivers/st/fmc/stm32_fmc2_nand.c 247endif 248 249ifneq ($(filter 1,${STM32MP_SPI_NAND} ${STM32MP_SPI_NOR}),) 250BL2_SOURCES += drivers/st/spi/stm32_qspi.c 251endif 252 253ifneq ($(filter 1,${STM32MP_RAW_NAND} ${STM32MP_SPI_NAND} ${STM32MP_SPI_NOR}),) 254BL2_SOURCES += plat/st/stm32mp1/stm32mp1_boot_device.c 255endif 256 257ifeq (${STM32MP_UART_PROGRAMMER},1) 258BL2_SOURCES += drivers/st/uart/stm32_uart.c 259endif 260 261ifeq (${STM32MP_USB_PROGRAMMER},1) 262#The DFU stack uses only one end point, reduce the USB stack footprint 263$(eval $(call add_define_val,CONFIG_USBD_EP_NB,1U)) 264BL2_SOURCES += drivers/st/usb/stm32mp1_usb.c \ 265 plat/st/stm32mp1/stm32mp1_usb_dfu.c 266endif 267 268BL2_SOURCES += drivers/st/ddr/stm32mp1_ddr.c \ 269 drivers/st/ddr/stm32mp1_ram.c 270 271BL2_SOURCES += plat/st/stm32mp1/plat_ddr.c 272 273ifeq ($(AARCH32_SP),sp_min) 274# Create DTB file for BL32 275${BUILD_PLAT}/fdts/%-bl32.dts: fdts/%.dts fdts/${BL32_DTSI} | $$(@D)/ 276 $(q)echo '#include "$(patsubst %.dts,%$(SP_EXT).dts,$(patsubst fdts/%,%,$<))"' > $@ 277 $(q)echo '#include "${BL32_DTSI}"' >> $@ 278 279${BUILD_PLAT}/fdts/%-bl32.dtb: ${BUILD_PLAT}/fdts/%-bl32.dts | $$(@D)/ 280endif 281 282include plat/st/common/common_rules.mk 283