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arm-trusted-firmware: generate atf-uboot.ub image of bl31.bin

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U-Boot SPL for the Xilinx ZynqMP SoCs needs ATF in this format to load
it.

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Luca Ceresoli 2018-05-03 18:23:34 +02:00 committed by Thomas Petazzoni
parent 895f04ebff
commit 61447331bd
2 changed files with 29 additions and 0 deletions
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8
boot/arm-trusted-firmware/Config.in
View File

@ -71,6 +71,14 @@ config BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31
typically used on platforms where another bootloader (e.g
U-Boot) encapsulates ATF BL31.
config BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31_UBOOT
bool "Build BL31 U-Boot image"
select BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31
help
Generates a U-Boot image named atf-uboot.ub containing
bl31.bin. This is used for example by the Xilinx version of
U-Boot SPL to load ATF on the ZynqMP SoC.
config BR2_TARGET_ARM_TRUSTED_FIRMWARE_UBOOT_AS_BL33
bool "Use U-Boot as BL33"
depends on BR2_TARGET_UBOOT

21
boot/arm-trusted-firmware/arm-trusted-firmware.mk
View File

@ -75,15 +75,36 @@ ifeq ($(BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31),y)
ARM_TRUSTED_FIRMWARE_MAKE_TARGETS += bl31
endif
ifeq ($(BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31_UBOOT),y)
define ARM_TRUSTED_FIRMWARE_BL31_UBOOT_BUILD
# Get the entry point address from the elf.
BASE_ADDR=$$($(TARGET_READELF) -h $(ARM_TRUSTED_FIRMWARE_IMG_DIR)/bl31/bl31.elf | \
sed -r '/^ Entry point address:\s*(.*)/!d; s//\1/') && \
$(HOST_DIR)/bin/mkimage \
-A arm64 -O arm-trusted-firmware -C none \
-a $${BASE_ADDR} -e $${BASE_ADDR} \
-d $(ARM_TRUSTED_FIRMWARE_IMG_DIR)/bl31.bin \
$(ARM_TRUSTED_FIRMWARE_IMG_DIR)/atf-uboot.ub
endef
define ARM_TRUSTED_FIRMWARE_BL31_UBOOT_INSTALL
$(INSTALL) -m 0644 $(ARM_TRUSTED_FIRMWARE_IMG_DIR)/atf-uboot.ub \
$(BINARIES_DIR)/atf-uboot.ub
endef
ARM_TRUSTED_FIRMWARE_MAKE_OPTS += RESET_TO_BL31=1
ARM_TRUSTED_FIRMWARE_DEPENDENCIES += host-uboot-tools
endif
define ARM_TRUSTED_FIRMWARE_BUILD_CMDS
$(ARM_TRUSTED_FIRMWARE_BUILD_FIPTOOL)
$(TARGET_CONFIGURE_OPTS) \
$(MAKE) -C $(@D) $(ARM_TRUSTED_FIRMWARE_MAKE_OPTS) \
$(ARM_TRUSTED_FIRMWARE_MAKE_TARGETS)
$(ARM_TRUSTED_FIRMWARE_BL31_UBOOT_BUILD)
endef
define ARM_TRUSTED_FIRMWARE_INSTALL_IMAGES_CMDS
cp -dpf $(ARM_TRUSTED_FIRMWARE_IMG_DIR)/*.bin $(BINARIES_DIR)/
$(ARM_TRUSTED_FIRMWARE_BL31_UBOOT_INSTALL)
endef
# Configuration check