config BR2_TARGET_ARM_TRUSTED_FIRMWARE bool "ARM Trusted Firmware (ATF)" depends on BR2_aarch64 && BR2_TARGET_UBOOT help Enable this option if you want to build the ATF for your ARM based embedded device. https://github.com/ARM-software/arm-trusted-firmware if BR2_TARGET_ARM_TRUSTED_FIRMWARE choice prompt "ATF Version" help Select the specific ATF version you want to use config BR2_TARGET_ARM_TRUSTED_FIRMWARE_LATEST_VERSION bool "v1.4" config BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_TARBALL bool "Custom tarball" config BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_GIT bool "Custom Git repository" endchoice if BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_TARBALL config BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_TARBALL_LOCATION string "URL of custom ATF tarball" endif config BR2_TARGET_ARM_TRUSTED_FIRMWARE_VERSION string default "v1.4" if BR2_TARGET_ARM_TRUSTED_FIRMWARE_LATEST_VERSION default "custom" if BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_TARBALL default BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_REPO_VERSION \ if BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_GIT if BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_GIT config BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_REPO_URL string "URL of custom repository" config BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_REPO_VERSION string "Custom repository version" help Revision to use in the typical format used by Git E.G. a sha id, a tag, .. endif config BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM string "ATF platform" help Target plaform to build for. config BR2_TARGET_ARM_TRUSTED_FIRMWARE_FIP bool "Build FIP image" help This option enables building the FIP image (Firmware Image Package). This is typically the image format used by platforms were ATF encapsulates the second stage bootloader (such as U-Boot). config BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31 bool "Build BL31 image" help This option enables building the BL31 image. This is typically used on platforms where another bootloader (e.g U-Boot) encapsulates ATF BL31. config BR2_TARGET_ARM_TRUSTED_FIRMWARE_UBOOT_AS_BL33 bool "Use U-Boot as BL33" depends on BR2_TARGET_UBOOT help This option allows to embed u-boot.bin as the BL33 part of the ARM Trusted Firmware. It ensures that the u-boot package gets built before ATF, and that the appropriate BL33 variable pointing to u-boot.bin is passed when building ATF. config BR2_TARGET_ARM_TRUSTED_FIRMWARE_ADDITIONAL_VARIABLES string "Additional ATF build variables" help Additional parameters for the ATF build E.G. 'DEBUG=1 LOG_LEVEL=20' endif