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# SPDX-License-Identifier: GPL-2.0+
#
# Copyright (C) 2017-2018 Texas Instruments Incorporated - http://www.ti.com/
# Lokesh Vutla <lokeshvutla@ti.com>
ifdef CONFIG_SPL_BUILD
# Openssl is required to generate x509 certificate.
# Error out if openssl is not available.
ifeq ($(shell which openssl),)
$(error "No openssl in $(PATH), consider installing openssl")
endif
IMAGE_SIZE= $(shell cat $(obj)/u-boot-spl.bin | wc -c)
MAX_SIZE= $(shell printf "%d" $(CONFIG_SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE))
ifeq ($(CONFIG_SYS_K3_KEY), "")
KEY=""
# On HS use real key or warn if not available
ifeq ($(CONFIG_TI_SECURE_DEVICE),y)
ifneq ($(wildcard $(TI_SECURE_DEV_PKG)/keys/custMpk.pem),)
KEY=$(TI_SECURE_DEV_PKG)/keys/custMpk.pem
else
$(warning "WARNING: signing key not found. Random key will NOT work on HS hardware!")
endif
endif
else
KEY=$(patsubst "%",$(srctree)/%,$(CONFIG_SYS_K3_KEY))
endif
# tiboot3.bin is mandated by ROM and ROM only supports R5 boot.
# So restrict tiboot3.bin creation for CPU_V7R.
ifdef CONFIG_CPU_V7R
image_check: $(obj)/u-boot-spl.bin FORCE
@if [ $(IMAGE_SIZE) -gt $(MAX_SIZE) ]; then \
echo "===============================================" >&2; \
echo "ERROR: Final Image too big. " >&2; \
echo "$< size = $(IMAGE_SIZE), max size = $(MAX_SIZE)" >&2; \
echo "===============================================" >&2; \
exit 1; \
fi
tiboot3.bin: image_check FORCE
$(srctree)/tools/k3_gen_x509_cert.sh -c 16 -b $(obj)/u-boot-spl.bin \
-o $@ -l $(CONFIG_SPL_TEXT_BASE) -k $(KEY)
INPUTS-y += tiboot3.bin
endif
ifdef CONFIG_ARM64
ifeq ($(CONFIG_TI_SECURE_DEVICE),y)
SPL_ITS := u-boot-spl-k3_HS.its
$(SPL_ITS): export IS_HS=1
INPUTS-y += tispl.bin_HS
else
SPL_ITS := u-boot-spl-k3.its
INPUTS-y += tispl.bin
endif
quiet_cmd_k3_mkits = MKITS $@
cmd_k3_mkits = \
$(srctree)/tools/k3_fit_atf.sh \
$(patsubst %,$(obj)/dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST))) > $@
$(SPL_ITS): FORCE
$(call cmd,k3_mkits)
endif
else
ifeq ($(CONFIG_TI_SECURE_DEVICE),y)
INPUTS-y += u-boot.img_HS
else
INPUTS-y += u-boot.img
endif
endif
include $(srctree)/arch/arm/mach-k3/config_secure.mk
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