BR2_TARGET_UBOOT=y
BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
BR2_TARGET_UBOOT_CUSTOM_TARBALL=y
BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="https://github.com/ayufan-rock64/linux-mainline-u-boot/archive/f128a779f3275662295e32a44844a9e2b696aaa3/u-boot-2021.07-ayufan-gf128a779.tar.gz"
BR2_TARGET_UBOOT_BOARD_DEFCONFIG="rock64-rk3328"
BR2_TARGET_UBOOT_NEEDS_DTC=y
BR2_TARGET_UBOOT_NEEDS_PYTHON3=y
BR2_TARGET_UBOOT_NEEDS_PYLIBFDT=y
BR2_TARGET_UBOOT_NEEDS_ATF_BL31=y
BR2_TARGET_UBOOT_NEEDS_ATF_BL31_ELF=y
BR2_TARGET_UBOOT_FORMAT_CUSTOM=y
BR2_TARGET_UBOOT_FORMAT_CUSTOM_NAME="u-boot.itb"
BR2_TARGET_UBOOT_SPL=y
BR2_TARGET_UBOOT_SPL_NAME="spl/u-boot-spl.bin tpl/u-boot-tpl.bin"