board_common.mk

#
# Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#

PLAT_BL_COMMON_SOURCES	+=	drivers/arm/pl011/${ARCH}/pl011_console.S	\
				plat/arm/board/common/${ARCH}/board_arm_helpers.S

BL1_SOURCES		+=	drivers/cfi/v2m/v2m_flash.c

BL2_SOURCES		+=	drivers/cfi/v2m/v2m_flash.c

ifneq (${TRUSTED_BOARD_BOOT},0)
ifneq (${ARM_CRYPTOCELL_INTEG}, 1)
# ROTPK hash location
ifeq (${ARM_ROTPK_LOCATION}, regs)
	ARM_ROTPK_LOCATION_ID = ARM_ROTPK_REGS_ID
else ifeq (${ARM_ROTPK_LOCATION}, devel_rsa)
	CRYPTO_ALG=rsa
	ARM_ROTPK_LOCATION_ID = ARM_ROTPK_DEVEL_RSA_ID
	ARM_ROTPK_HASH = plat/arm/board/common/rotpk/arm_rotpk_rsa_sha256.bin
$(eval $(call add_define_val,ARM_ROTPK_HASH,'"$(ARM_ROTPK_HASH)"'))
$(BUILD_PLAT)/bl2/arm_dev_rotpk.o : $(ARM_ROTPK_HASH)
$(warning Development keys support for FVP is deprecated. Use `regs` \
option instead)
else ifeq (${ARM_ROTPK_LOCATION}, devel_ecdsa)
	CRYPTO_ALG=ec
	ARM_ROTPK_LOCATION_ID = ARM_ROTPK_DEVEL_ECDSA_ID
	ARM_ROTPK_HASH = plat/arm/board/common/rotpk/arm_rotpk_ecdsa_sha256.bin
$(eval $(call add_define_val,ARM_ROTPK_HASH,'"$(ARM_ROTPK_HASH)"'))
$(BUILD_PLAT)/bl2/arm_dev_rotpk.o : $(ARM_ROTPK_HASH)
$(warning Development keys support for FVP is deprecated. Use `regs` \
option instead)
else
	$(error "Unsupported ARM_ROTPK_LOCATION value")
endif

$(eval $(call add_define,ARM_ROTPK_LOCATION_ID))

# Force generation of the new hash if ROT_KEY is specified
ifdef ROT_KEY
	HASH_PREREQUISITES = $(ROT_KEY) FORCE
else
	HASH_PREREQUISITES = $(ROT_KEY)
endif

$(ARM_ROTPK_HASH) : $(HASH_PREREQUISITES)
ifndef ROT_KEY
	$(error Cannot generate hash: no ROT_KEY defined)
endif
	openssl ${CRYPTO_ALG} -in $< -pubout -outform DER | openssl dgst \
		-sha256 -binary > $@

# Certificate NV-Counters. Use values corresponding to tied off values in
# ARM development platforms
TFW_NVCTR_VAL	?=	31
NTFW_NVCTR_VAL	?=	223
else
# Certificate NV-Counters when CryptoCell is integrated. For development
# platforms we set the counter to first valid value.
TFW_NVCTR_VAL	?=	0
NTFW_NVCTR_VAL	?=	0
endif
BL1_SOURCES		+=	plat/arm/board/common/board_arm_trusted_boot.c \
				plat/arm/board/common/rotpk/arm_dev_rotpk.S
BL2_SOURCES		+=	plat/arm/board/common/board_arm_trusted_boot.c \
				plat/arm/board/common/rotpk/arm_dev_rotpk.S

# Allows platform code to provide implementation variants depending on the
# selected chain of trust.
$(eval $(call add_define,ARM_COT_${COT}))

ifeq (${COT},dualroot)
# Platform Root of Trust key files.
ARM_PROT_KEY		:=	plat/arm/board/common/protpk/arm_protprivk_rsa.pem
ARM_PROTPK_HASH		:=	plat/arm/board/common/protpk/arm_protpk_rsa_sha256.bin

# Provide the private key to cert_create tool. It needs it to sign the images.
PROT_KEY		:=	${ARM_PROT_KEY}

$(eval $(call add_define_val,ARM_PROTPK_HASH,'"$(ARM_PROTPK_HASH)"'))

BL1_SOURCES		+=	plat/arm/board/common/protpk/arm_dev_protpk.S
BL2_SOURCES		+=	plat/arm/board/common/protpk/arm_dev_protpk.S

$(BUILD_PLAT)/bl1/arm_dev_protpk.o: $(ARM_PROTPK_HASH)
$(BUILD_PLAT)/bl2/arm_dev_protpk.o: $(ARM_PROTPK_HASH)
endif

endif