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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
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@ -1,6 +1,7 @@
config BR2_TARGET_ARM_TRUSTED_FIRMWARE config BR2_TARGET_ARM_TRUSTED_FIRMWARE
bool "ARM Trusted Firmware (ATF)" 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 help
Enable this option if you want to build the ATF for your ARM Enable this option if you want to build the ATF for your ARM
based embedded device. 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)) \ $(call qstrip,$(BR2_TARGET_ARM_TRUSTED_FIRMWARE_ADDITIONAL_VARIABLES)) \
PLAT=$(ARM_TRUSTED_FIRMWARE_PLATFORM) PLAT=$(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 ($(BR2_TARGET_ARM_TRUSTED_FIRMWARE_UBOOT_AS_BL33),y) ifeq ($(BR2_TARGET_ARM_TRUSTED_FIRMWARE_UBOOT_AS_BL33),y)
ARM_TRUSTED_FIRMWARE_MAKE_OPTS += BL33=$(BINARIES_DIR)/u-boot.bin ARM_TRUSTED_FIRMWARE_MAKE_OPTS += BL33=$(BINARIES_DIR)/u-boot.bin
ARM_TRUSTED_FIRMWARE_DEPENDENCIES += uboot ARM_TRUSTED_FIRMWARE_DEPENDENCIES += uboot