1# 2# Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved. 3# 4# SPDX-License-Identifier: BSD-3-Clause 5# 6 7include lib/libfdt/libfdt.mk 8include lib/xlat_tables_v2/xlat_tables.mk 9 10PLAT_INCLUDES := -Iplat/rpi/common/include \ 11 -Iplat/rpi/rpi3/include 12 13PLAT_BL_COMMON_SOURCES := drivers/ti/uart/aarch64/16550_console.S \ 14 plat/rpi/common/rpi3_common.c \ 15 ${XLAT_TABLES_LIB_SRCS} 16 17BL1_SOURCES += drivers/io/io_fip.c \ 18 drivers/io/io_memmap.c \ 19 drivers/io/io_storage.c \ 20 lib/cpus/aarch64/cortex_a53.S \ 21 plat/common/aarch64/platform_mp_stack.S \ 22 plat/rpi/rpi3/aarch64/plat_helpers.S \ 23 plat/rpi/rpi3/rpi3_bl1_setup.c \ 24 plat/rpi/common/rpi3_io_storage.c \ 25 drivers/rpi3/mailbox/rpi3_mbox.c \ 26 plat/rpi/rpi3/rpi_mbox_board.c 27 28BL2_SOURCES += common/desc_image_load.c \ 29 drivers/io/io_fip.c \ 30 drivers/io/io_memmap.c \ 31 drivers/io/io_storage.c \ 32 drivers/gpio/gpio.c \ 33 drivers/delay_timer/delay_timer.c \ 34 drivers/delay_timer/generic_delay_timer.c \ 35 drivers/rpi3/gpio/rpi3_gpio.c \ 36 drivers/io/io_block.c \ 37 drivers/mmc/mmc.c \ 38 drivers/rpi3/sdhost/rpi3_sdhost.c \ 39 plat/common/aarch64/platform_mp_stack.S \ 40 plat/rpi/rpi3/aarch64/plat_helpers.S \ 41 plat/rpi/rpi3/aarch64/rpi3_bl2_mem_params_desc.c \ 42 plat/rpi/rpi3/rpi3_bl2_setup.c \ 43 plat/rpi/common/rpi3_image_load.c \ 44 plat/rpi/common/rpi3_io_storage.c 45 46BL31_SOURCES += lib/cpus/aarch64/cortex_a53.S \ 47 plat/common/plat_psci_common.c \ 48 plat/rpi/rpi3/aarch64/plat_helpers.S \ 49 plat/rpi/rpi3/rpi3_bl31_setup.c \ 50 plat/rpi/common/rpi3_pm.c \ 51 plat/rpi/common/rpi3_topology.c \ 52 ${LIBFDT_SRCS} 53 54# Tune compiler for Cortex-A53 55ifeq ($(notdir $(CC)),armclang) 56 TF_CFLAGS_aarch64 += -mcpu=cortex-a53 57else ifneq ($(findstring clang,$(notdir $(CC))),) 58 TF_CFLAGS_aarch64 += -mcpu=cortex-a53 59else 60 TF_CFLAGS_aarch64 += -mtune=cortex-a53 61endif 62 63# Platform Makefile target 64# ------------------------ 65 66RPI3_BL1_PAD_BIN := ${BUILD_PLAT}/bl1_pad.bin 67RPI3_ARMSTUB8_BIN := ${BUILD_PLAT}/armstub8.bin 68 69# Add new default target when compiling this platform 70all: armstub 71 72# This target concatenates BL1 and the FIP so that the base addresses match the 73# ones defined in the memory map 74armstub: bl1 fip 75 @echo " CAT $@" 76 ${Q}cp ${BUILD_PLAT}/bl1.bin ${RPI3_BL1_PAD_BIN} 77 ${Q}truncate --size=131072 ${RPI3_BL1_PAD_BIN} 78 ${Q}cat ${RPI3_BL1_PAD_BIN} ${BUILD_PLAT}/fip.bin > ${RPI3_ARMSTUB8_BIN} 79 @${ECHO_BLANK_LINE} 80 @echo "Built $@ successfully" 81 @${ECHO_BLANK_LINE} 82 83# Build config flags 84# ------------------ 85 86# Enable all errata workarounds for Cortex-A53 87ERRATA_A53_826319 := 1 88ERRATA_A53_835769 := 1 89ERRATA_A53_836870 := 1 90ERRATA_A53_843419 := 1 91ERRATA_A53_855873 := 1 92 93WORKAROUND_CVE_2017_5715 := 0 94 95# Disable stack protector by default 96ENABLE_STACK_PROTECTOR := 0 97 98# Reset to BL31 isn't supported 99RESET_TO_BL31 := 0 100 101# Have different sections for code and rodata 102SEPARATE_CODE_AND_RODATA := 1 103 104# Use Coherent memory 105USE_COHERENT_MEM := 1 106 107# Platform build flags 108# -------------------- 109 110# BL33 images are in AArch64 by default 111RPI3_BL33_IN_AARCH32 := 0 112 113# Assume that BL33 isn't the Linux kernel by default 114RPI3_DIRECT_LINUX_BOOT := 0 115 116# UART to use at runtime. -1 means the runtime UART is disabled. 117# Any other value means the default UART will be used. 118RPI3_RUNTIME_UART := -1 119 120# Use normal memory mapping for ROM, FIP, SRAM and DRAM 121RPI3_USE_UEFI_MAP := 0 122 123# BL32 location 124RPI3_BL32_RAM_LOCATION := tdram 125ifeq (${RPI3_BL32_RAM_LOCATION}, tsram) 126 RPI3_BL32_RAM_LOCATION_ID = SEC_SRAM_ID 127else ifeq (${RPI3_BL32_RAM_LOCATION}, tdram) 128 RPI3_BL32_RAM_LOCATION_ID = SEC_DRAM_ID 129else 130 $(error "Unsupported RPI3_BL32_RAM_LOCATION value") 131endif 132 133# Process platform flags 134# ---------------------- 135 136$(eval $(call add_define,RPI3_BL32_RAM_LOCATION_ID)) 137$(eval $(call add_define,RPI3_BL33_IN_AARCH32)) 138$(eval $(call add_define,RPI3_DIRECT_LINUX_BOOT)) 139ifdef RPI3_PRELOADED_DTB_BASE 140$(eval $(call add_define,RPI3_PRELOADED_DTB_BASE)) 141endif 142$(eval $(call add_define,RPI3_RUNTIME_UART)) 143$(eval $(call add_define,RPI3_USE_UEFI_MAP)) 144 145# Verify build config 146# ------------------- 147# 148ifneq (${RPI3_DIRECT_LINUX_BOOT}, 0) 149 ifndef RPI3_PRELOADED_DTB_BASE 150 $(error Error: RPI3_PRELOADED_DTB_BASE needed if RPI3_DIRECT_LINUX_BOOT=1) 151 endif 152endif 153 154ifneq (${RESET_TO_BL31}, 0) 155 $(error Error: rpi3 needs RESET_TO_BL31=0) 156endif 157 158ifeq (${ARCH},aarch32) 159 $(error Error: AArch32 not supported on rpi3) 160endif 161 162ifneq ($(ENABLE_STACK_PROTECTOR), 0) 163PLAT_BL_COMMON_SOURCES += drivers/rpi3/rng/rpi3_rng.c \ 164 plat/rpi/common/rpi3_stack_protector.c 165endif 166 167ifeq (${SPD},opteed) 168BL2_SOURCES += \ 169 lib/optee/optee_utils.c 170endif 171 172# Add the build options to pack Trusted OS Extra1 and Trusted OS Extra2 images 173# in the FIP if the platform requires. 174ifneq ($(BL32_EXTRA1),) 175$(eval $(call TOOL_ADD_IMG,BL32_EXTRA1,--tos-fw-extra1)) 176endif 177ifneq ($(BL32_EXTRA2),) 178$(eval $(call TOOL_ADD_IMG,BL32_EXTRA2,--tos-fw-extra2)) 179endif 180 181ifneq (${TRUSTED_BOARD_BOOT},0) 182 183 include drivers/auth/mbedtls/mbedtls_crypto.mk 184 include drivers/auth/mbedtls/mbedtls_x509.mk 185 186 AUTH_SOURCES := drivers/auth/auth_mod.c \ 187 drivers/auth/crypto_mod.c \ 188 drivers/auth/img_parser_mod.c \ 189 drivers/auth/tbbr/tbbr_cot.c 190 191 BL1_SOURCES += ${AUTH_SOURCES} \ 192 bl1/tbbr/tbbr_img_desc.c \ 193 plat/common/tbbr/plat_tbbr.c \ 194 plat/rpi/common/rpi3_trusted_boot.c \ 195 plat/rpi/common/rpi3_rotpk.S 196 197 BL2_SOURCES += ${AUTH_SOURCES} \ 198 plat/common/tbbr/plat_tbbr.c \ 199 plat/rpi/common/rpi3_trusted_boot.c \ 200 plat/rpi/common/rpi3_rotpk.S 201 202 ROT_KEY = $(BUILD_PLAT)/rot_key.pem 203 ROTPK_HASH = $(BUILD_PLAT)/rotpk_sha256.bin 204 205 $(eval $(call add_define_val,ROTPK_HASH,'"$(ROTPK_HASH)"')) 206 207 $(BUILD_PLAT)/bl1/rpi3_rotpk.o: $(ROTPK_HASH) 208 $(BUILD_PLAT)/bl2/rpi3_rotpk.o: $(ROTPK_HASH) 209 210 certificates: $(ROT_KEY) 211 212 $(ROT_KEY): 213 @echo " OPENSSL $@" 214 $(Q)openssl genrsa 2048 > $@ 2>/dev/null 215 216 $(ROTPK_HASH): $(ROT_KEY) 217 @echo " OPENSSL $@" 218 $(Q)openssl rsa -in $< -pubout -outform DER 2>/dev/null |\ 219 openssl dgst -sha256 -binary > $@ 2>/dev/null 220endif 221