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boot/arm-trusted-firmware: support 32bit Arm targets

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This change allows one to build the TF-A (Trusted Firmware A) for
32bit architectures Armv7 and Armv8 platforms. TF-A supports these
configuration since release v1.5.

Change dependency on BR2_aarch64 into a dependency on either
BR2_ARM_CPU_ARMV8A/BR2_ARM_CPU_ARMV7A to better define
the target architectures supported by the package.

Set package configuration directive ARM_ARCH_MAJOR according to
BR2_ARM_CPU_ARMV8A/BR2_ARM_CPU_ARMV7A. Set package configuration
directive ARCH based on BR2_aarch64/BR2_arm.

Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Etienne Carriere 2019-03-19 00:21:02 +01:00 committed by Thomas Petazzoni
parent b38dfa7554
commit 9dbc934217
2 changed files with 14 additions and 1 deletions
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3
boot/arm-trusted-firmware/Config.in
View File

@ -1,6 +1,7 @@
config BR2_TARGET_ARM_TRUSTED_FIRMWARE
bool "ARM Trusted Firmware (ATF)"
depends on BR2_aarch64 && BR2_TARGET_UBOOT
depends on (BR2_ARM_CPU_ARMV8A || BR2_ARM_CPU_ARMV7A) && \
BR2_TARGET_UBOOT
help
Enable this option if you want to build the ATF for your ARM
based embedded device.

12
boot/arm-trusted-firmware/arm-trusted-firmware.mk
View File

@ -35,6 +35,18 @@ ARM_TRUSTED_FIRMWARE_MAKE_OPTS += \
$(call qstrip,$(BR2_TARGET_ARM_TRUSTED_FIRMWARE_ADDITIONAL_VARIABLES)) \
PLAT=$(ARM_TRUSTED_FIRMWARE_PLATFORM)
ifeq ($(BR2_ARM_CPU_ARMV7A),y)
ARM_TRUSTED_FIRMWARE_MAKE_OPTS += ARM_ARCH_MAJOR=7
else ifeq ($(BR2_ARM_CPU_ARMV8A),y)
ARM_TRUSTED_FIRMWARE_MAKE_OPTS += ARM_ARCH_MAJOR=8
endif
ifeq ($(BR2_arm),y)
ARM_TRUSTED_FIRMWARE_MAKE_OPTS += ARCH=aarch32
else ifeq ($(BR2_aarch64),y)
ARM_TRUSTED_FIRMWARE_MAKE_OPTS += ARCH=aarch64
endif
ifeq ($(BR2_TARGET_ARM_TRUSTED_FIRMWARE_UBOOT_AS_BL33),y)
ARM_TRUSTED_FIRMWARE_MAKE_OPTS += BL33=$(BINARIES_DIR)/u-boot.bin
ARM_TRUSTED_FIRMWARE_DEPENDENCIES += uboot