1# 2# Copyright (c) 2018-2024, Arm Limited and Contributors. All rights reserved. 3# 4# SPDX-License-Identifier: BSD-3-Clause 5# 6 7# Architecture 8$(eval $(call add_define,ARMV7_SUPPORTS_LARGE_PAGE_ADDRESSING)) 9 10TF_CFLAGS += -mfpu=neon 11ASFLAGS += -mfpu=neon 12 13# Platform 14PLAT_INCLUDES := -Idrivers/imx/uart \ 15 -Iplat/imx/common/include \ 16 -Iplat/imx/imx7/include \ 17 -Idrivers/imx/timer \ 18 -Idrivers/imx/usdhc \ 19 -Iinclude/common/tbbr 20 21# Translation tables library 22include lib/xlat_tables_v2/xlat_tables.mk 23 24BL2_SOURCES += common/desc_image_load.c \ 25 drivers/delay_timer/delay_timer.c \ 26 drivers/mmc/mmc.c \ 27 drivers/io/io_block.c \ 28 drivers/io/io_fip.c \ 29 drivers/io/io_memmap.c \ 30 drivers/io/io_storage.c \ 31 drivers/imx/timer/imx_gpt.c \ 32 drivers/imx/uart/imx_uart.c \ 33 drivers/imx/uart/imx_crash_uart.S \ 34 lib/aarch32/arm32_aeabi_divmod.c \ 35 lib/aarch32/arm32_aeabi_divmod_a32.S \ 36 lib/cpus/aarch32/cortex_a7.S \ 37 lib/optee/optee_utils.c \ 38 plat/imx/common/imx_aips.c \ 39 plat/imx/common/imx_caam.c \ 40 plat/imx/common/imx_clock.c \ 41 plat/imx/common/imx_csu.c \ 42 plat/imx/common/imx_io_mux.c \ 43 plat/imx/common/imx_snvs.c \ 44 plat/imx/common/imx_wdog.c \ 45 plat/imx/common/imx7_clock.c \ 46 plat/imx/imx7/common/imx7_bl2_mem_params_desc.c \ 47 plat/imx/imx7/common/imx7_bl2_el3_common.c \ 48 plat/imx/imx7/common/imx7_helpers.S \ 49 plat/imx/imx7/common/imx7_image_load.c \ 50 plat/imx/common/imx_io_storage.c \ 51 plat/imx/common/aarch32/imx_uart_console.S \ 52 ${XLAT_TABLES_LIB_SRCS} 53 54ifneq (${TRUSTED_BOARD_BOOT},0) 55 56include drivers/auth/mbedtls/mbedtls_crypto.mk 57include drivers/auth/mbedtls/mbedtls_x509.mk 58 59AUTH_SOURCES := drivers/auth/auth_mod.c \ 60 drivers/auth/crypto_mod.c \ 61 drivers/auth/img_parser_mod.c \ 62 drivers/auth/tbbr/tbbr_cot_common.c 63 64BL2_SOURCES += ${AUTH_SOURCES} \ 65 plat/common/tbbr/plat_tbbr.c \ 66 plat/imx/imx7/common/imx7_trusted_boot.c \ 67 plat/imx/imx7/common/imx7_rotpk.S \ 68 drivers/auth/tbbr/tbbr_cot_bl2.c 69 70ROT_KEY = $(BUILD_PLAT)/rot_key.pem 71ROTPK_HASH = $(BUILD_PLAT)/rotpk_sha256.bin 72 73$(eval $(call add_define_val,ROTPK_HASH,'"$(ROTPK_HASH)"')) 74 75$(BUILD_PLAT)/bl2/imx7_rotpk.o: $(ROTPK_HASH) 76 77certificates: $(ROT_KEY) 78 79$(ROT_KEY): | $$(@D)/ 80 $(s)echo " OPENSSL $@" 81 $(q)if [ ! -f $(ROT_KEY) ]; then \ 82 ${OPENSSL_BIN_PATH}/openssl genrsa 2048 > $@ 2>/dev/null; \ 83 fi 84 85$(ROTPK_HASH): $(ROT_KEY) | $$(@D)/ 86 $(s)echo " OPENSSL $@" 87 $(q)${OPENSSL_BIN_PATH}/openssl rsa -in $< -pubout -outform DER 2>/dev/null |\ 88 ${OPENSSL_BIN_PATH}/openssl dgst -sha256 -binary > $@ 2>/dev/null 89endif 90 91# Add the build options to pack BLx images and kernel device tree 92# in the FIP if the platform requires. 93ifneq ($(BL2),) 94$(eval $(call TOOL_ADD_PAYLOAD,${BUILD_PLAT}/tb_fw.crt,--tb-fw-cert)) 95endif 96ifneq ($(BL32_EXTRA1),) 97$(eval $(call TOOL_ADD_IMG,BL32_EXTRA1,--tos-fw-extra1)) 98endif 99ifneq ($(BL32_EXTRA2),) 100$(eval $(call TOOL_ADD_IMG,BL32_EXTRA2,--tos-fw-extra2)) 101endif 102ifneq ($(HW_CONFIG),) 103$(eval $(call TOOL_ADD_IMG,HW_CONFIG,--hw-config)) 104endif 105 106# Verify build config 107# ------------------- 108 109ifeq (${ARCH},aarch64) 110 $(error Error: AArch64 not supported on i.mx7) 111endif 112 113ifeq (${AARCH32_SP}, none) 114 $(error Variable AARCH32_SP has to be set for AArch32) 115endif 116