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