1# 2# Copyright (c) 2013-2018, 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/rpi3/include 11 12PLAT_BL_COMMON_SOURCES := drivers/ti/uart/aarch64/16550_console.S \ 13 plat/rpi/rpi3/rpi3_common.c \ 14 ${XLAT_TABLES_LIB_SRCS} 15 16BL1_SOURCES += drivers/io/io_fip.c \ 17 drivers/io/io_memmap.c \ 18 drivers/io/io_storage.c \ 19 lib/cpus/aarch64/cortex_a53.S \ 20 plat/common/aarch64/platform_mp_stack.S \ 21 plat/rpi/rpi3/aarch64/plat_helpers.S \ 22 plat/rpi/rpi3/rpi3_bl1_setup.c \ 23 plat/rpi/rpi3/rpi3_io_storage.c \ 24 plat/rpi/rpi3/rpi3_mbox.c 25 26BL2_SOURCES += common/desc_image_load.c \ 27 drivers/io/io_fip.c \ 28 drivers/io/io_memmap.c \ 29 drivers/io/io_storage.c \ 30 drivers/gpio/gpio.c \ 31 drivers/delay_timer/delay_timer.c \ 32 drivers/delay_timer/generic_delay_timer.c \ 33 drivers/rpi3/gpio/rpi3_gpio.c \ 34 drivers/io/io_block.c \ 35 drivers/mmc/mmc.c \ 36 drivers/rpi3/sdhost/rpi3_sdhost.c \ 37 plat/common/aarch64/platform_mp_stack.S \ 38 plat/rpi/rpi3/aarch64/plat_helpers.S \ 39 plat/rpi/rpi3/aarch64/rpi3_bl2_mem_params_desc.c \ 40 plat/rpi/rpi3/rpi3_bl2_setup.c \ 41 plat/rpi/rpi3/rpi3_image_load.c \ 42 plat/rpi/rpi3/rpi3_io_storage.c 43 44BL31_SOURCES += lib/cpus/aarch64/cortex_a53.S \ 45 plat/common/plat_psci_common.c \ 46 plat/rpi/rpi3/aarch64/plat_helpers.S \ 47 plat/rpi/rpi3/rpi3_bl31_setup.c \ 48 plat/rpi/rpi3/rpi3_pm.c \ 49 plat/rpi/rpi3/rpi3_topology.c \ 50 ${LIBFDT_SRCS} 51 52# Tune compiler for Cortex-A53 53ifeq ($(notdir $(CC)),armclang) 54 TF_CFLAGS_aarch64 += -mcpu=cortex-a53 55else ifneq ($(findstring clang,$(notdir $(CC))),) 56 TF_CFLAGS_aarch64 += -mcpu=cortex-a53 57else 58 TF_CFLAGS_aarch64 += -mtune=cortex-a53 59endif 60 61# Platform Makefile target 62# ------------------------ 63 64RPI3_BL1_PAD_BIN := ${BUILD_PLAT}/bl1_pad.bin 65RPI3_ARMSTUB8_BIN := ${BUILD_PLAT}/armstub8.bin 66 67# Add new default target when compiling this platform 68all: armstub 69 70# This target concatenates BL1 and the FIP so that the base addresses match the 71# ones defined in the memory map 72armstub: bl1 fip 73 @echo " CAT $@" 74 ${Q}cp ${BUILD_PLAT}/bl1.bin ${RPI3_BL1_PAD_BIN} 75 ${Q}truncate --size=131072 ${RPI3_BL1_PAD_BIN} 76 ${Q}cat ${RPI3_BL1_PAD_BIN} ${BUILD_PLAT}/fip.bin > ${RPI3_ARMSTUB8_BIN} 77 @${ECHO_BLANK_LINE} 78 @echo "Built $@ successfully" 79 @${ECHO_BLANK_LINE} 80 81# Build config flags 82# ------------------ 83 84# Enable all errata workarounds for Cortex-A53 85ERRATA_A53_826319 := 1 86ERRATA_A53_835769 := 1 87ERRATA_A53_836870 := 1 88ERRATA_A53_843419 := 1 89ERRATA_A53_855873 := 1 90 91WORKAROUND_CVE_2017_5715 := 0 92 93# Disable stack protector by default 94ENABLE_STACK_PROTECTOR := 0 95 96# Reset to BL31 isn't supported 97RESET_TO_BL31 := 0 98 99# Have different sections for code and rodata 100SEPARATE_CODE_AND_RODATA := 1 101 102# Use Coherent memory 103USE_COHERENT_MEM := 1 104 105# Platform build flags 106# -------------------- 107 108# BL33 images are in AArch64 by default 109RPI3_BL33_IN_AARCH32 := 0 110 111# Assume that BL33 isn't the Linux kernel by default 112RPI3_DIRECT_LINUX_BOOT := 0 113 114# UART to use at runtime. -1 means the runtime UART is disabled. 115# Any other value means the default UART will be used. 116RPI3_RUNTIME_UART := -1 117 118# Use normal memory mapping for ROM, FIP, SRAM and DRAM 119RPI3_USE_UEFI_MAP := 0 120 121# BL32 location 122RPI3_BL32_RAM_LOCATION := tdram 123ifeq (${RPI3_BL32_RAM_LOCATION}, tsram) 124 RPI3_BL32_RAM_LOCATION_ID = SEC_SRAM_ID 125else ifeq (${RPI3_BL32_RAM_LOCATION}, tdram) 126 RPI3_BL32_RAM_LOCATION_ID = SEC_DRAM_ID 127else 128 $(error "Unsupported RPI3_BL32_RAM_LOCATION value") 129endif 130 131# Process platform flags 132# ---------------------- 133 134$(eval $(call add_define,RPI3_BL32_RAM_LOCATION_ID)) 135$(eval $(call add_define,RPI3_BL33_IN_AARCH32)) 136$(eval $(call add_define,RPI3_DIRECT_LINUX_BOOT)) 137ifdef RPI3_PRELOADED_DTB_BASE 138$(eval $(call add_define,RPI3_PRELOADED_DTB_BASE)) 139endif 140$(eval $(call add_define,RPI3_RUNTIME_UART)) 141$(eval $(call add_define,RPI3_USE_UEFI_MAP)) 142 143# Verify build config 144# ------------------- 145# 146ifneq (${RPI3_DIRECT_LINUX_BOOT}, 0) 147 ifndef RPI3_PRELOADED_DTB_BASE 148 $(error Error: RPI3_PRELOADED_DTB_BASE needed if RPI3_DIRECT_LINUX_BOOT=1) 149 endif 150endif 151 152ifneq (${RESET_TO_BL31}, 0) 153 $(error Error: rpi3 needs RESET_TO_BL31=0) 154endif 155 156ifeq (${ARCH},aarch32) 157 $(error Error: AArch32 not supported on rpi3) 158endif 159 160ifneq ($(ENABLE_STACK_PROTECTOR), 0) 161PLAT_BL_COMMON_SOURCES += plat/rpi/rpi3/rpi3_rng.c \ 162 plat/rpi/rpi3/rpi3_stack_protector.c 163endif 164 165ifeq (${SPD},opteed) 166BL2_SOURCES += \ 167 lib/optee/optee_utils.c 168endif 169 170# Add the build options to pack Trusted OS Extra1 and Trusted OS Extra2 images 171# in the FIP if the platform requires. 172ifneq ($(BL32_EXTRA1),) 173$(eval $(call TOOL_ADD_IMG,BL32_EXTRA1,--tos-fw-extra1)) 174endif 175ifneq ($(BL32_EXTRA2),) 176$(eval $(call TOOL_ADD_IMG,BL32_EXTRA2,--tos-fw-extra2)) 177endif 178 179ifneq (${TRUSTED_BOARD_BOOT},0) 180 181 include drivers/auth/mbedtls/mbedtls_crypto.mk 182 include drivers/auth/mbedtls/mbedtls_x509.mk 183 184 AUTH_SOURCES := drivers/auth/auth_mod.c \ 185 drivers/auth/crypto_mod.c \ 186 drivers/auth/img_parser_mod.c \ 187 drivers/auth/tbbr/tbbr_cot.c 188 189 BL1_SOURCES += ${AUTH_SOURCES} \ 190 bl1/tbbr/tbbr_img_desc.c \ 191 plat/common/tbbr/plat_tbbr.c \ 192 plat/rpi/rpi3/rpi3_trusted_boot.c \ 193 plat/rpi/rpi3/rpi3_rotpk.S 194 195 BL2_SOURCES += ${AUTH_SOURCES} \ 196 plat/common/tbbr/plat_tbbr.c \ 197 plat/rpi/rpi3/rpi3_trusted_boot.c \ 198 plat/rpi/rpi3/rpi3_rotpk.S 199 200 ROT_KEY = $(BUILD_PLAT)/rot_key.pem 201 ROTPK_HASH = $(BUILD_PLAT)/rotpk_sha256.bin 202 203 $(eval $(call add_define_val,ROTPK_HASH,'"$(ROTPK_HASH)"')) 204 205 $(BUILD_PLAT)/bl1/rpi3_rotpk.o: $(ROTPK_HASH) 206 $(BUILD_PLAT)/bl2/rpi3_rotpk.o: $(ROTPK_HASH) 207 208 certificates: $(ROT_KEY) 209 210 $(ROT_KEY): 211 @echo " OPENSSL $@" 212 $(Q)openssl genrsa 2048 > $@ 2>/dev/null 213 214 $(ROTPK_HASH): $(ROT_KEY) 215 @echo " OPENSSL $@" 216 $(Q)openssl rsa -in $< -pubout -outform DER 2>/dev/null |\ 217 openssl dgst -sha256 -binary > $@ 2>/dev/null 218endif 219