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boot/uboot: add support for bundling ATF BL31 in ELF format into U-Boot

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Rockchip's rk3328 encapsulates the BL31 part of ATP but it needs
image in ELF format. This is extension to
2c4809e608

This commit introduces a BR2_TARGET_UBOOT_NEEDS_ATF_BL31_ELF variable
to achieve this.

Signed-off-by: Michał Łyszczek <michal.lyszczek@bofc.pl>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Michał Łyszczek 2018-11-11 22:39:42 +01:00 committed by Thomas Petazzoni
parent f6a6eca432
commit cab8bd3b46
3 changed files with 25 additions and 0 deletions
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8
boot/arm-trusted-firmware/arm-trusted-firmware.mk
View File

@ -97,6 +97,13 @@ ARM_TRUSTED_FIRMWARE_MAKE_OPTS += RESET_TO_BL31=1
ARM_TRUSTED_FIRMWARE_DEPENDENCIES += host-uboot-tools
endif
ifeq ($(BR2_TARGET_UBOOT_NEEDS_ATF_BL31_ELF),y)
define ARM_TRUSTED_FIRMWARE_BL31_UBOOT_INSTALL_ELF
$(INSTALL) -D -m 0644 $(ARM_TRUSTED_FIRMWARE_IMG_DIR)/bl31/bl31.elf \
$(BINARIES_DIR)/bl31.elf
endef
endif
define ARM_TRUSTED_FIRMWARE_BUILD_CMDS
$(ARM_TRUSTED_FIRMWARE_BUILD_FIPTOOL)
$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) $(ARM_TRUSTED_FIRMWARE_MAKE_OPTS) \
@ -107,6 +114,7 @@ endef
define ARM_TRUSTED_FIRMWARE_INSTALL_IMAGES_CMDS
cp -dpf $(ARM_TRUSTED_FIRMWARE_IMG_DIR)/*.bin $(BINARIES_DIR)/
$(ARM_TRUSTED_FIRMWARE_BL31_UBOOT_INSTALL)
$(ARM_TRUSTED_FIRMWARE_BL31_UBOOT_INSTALL_ELF)
endef
# Configuration check

13
boot/uboot/Config.in
View File

@ -179,6 +179,19 @@ config BR2_TARGET_UBOOT_NEEDS_ATF_BL31
variable pointing to ATF's BL31 binary, is passed during the
Buildroot build.
choice
prompt "U-Boot ATF BL31 format"
depends on BR2_TARGET_UBOOT_NEEDS_ATF_BL31
default BR2_TARGET_UBOOT_NEEDS_ATF_BL31_BIN
config BR2_TARGET_UBOOT_NEEDS_ATF_BL31_BIN
bool "bl31.bin"
config BR2_TARGET_UBOOT_NEEDS_ATF_BL31_ELF
bool "bl31.elf"
endchoice
menu "U-Boot binary format"
config BR2_TARGET_UBOOT_FORMAT_AIS

4
boot/uboot/uboot.mk
View File

@ -137,8 +137,12 @@ UBOOT_MAKE_OPTS += \
ifeq ($(BR2_TARGET_UBOOT_NEEDS_ATF_BL31),y)
UBOOT_DEPENDENCIES += arm-trusted-firmware
ifeq ($(BR2_TARGET_UBOOT_NEEDS_ATF_BL31_ELF),y)
UBOOT_MAKE_OPTS += BL31=$(BINARIES_DIR)/bl31.elf
else
UBOOT_MAKE_OPTS += BL31=$(BINARIES_DIR)/bl31.bin
endif
endif
ifeq ($(BR2_TARGET_UBOOT_NEEDS_DTC),y)
UBOOT_DEPENDENCIES += host-dtc