# Architecture
BR2_aarch64=y
BR2_cortex_a72_a53=y

# Linux headers same as kernel, a 5.1 series
BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_1=y

# Firmware
BR2_TARGET_ARM_TRUSTED_FIRMWARE=y
BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_GIT=y
BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_REPO_URL="https://github.com/ARM-software/arm-trusted-firmware"
BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_REPO_VERSION="v2.0"
BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM="rk3399"
BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31=y

# Bootloader
BR2_TARGET_UBOOT=y
BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
BR2_TARGET_UBOOT_CUSTOM_GIT=y
BR2_TARGET_UBOOT_CUSTOM_REPO_URL="https://github.com/amarula/u-boot-amarula.git"
BR2_TARGET_UBOOT_CUSTOM_REPO_VERSION="980ca75ae0438b4a1847d044605c492f3c844f88"
BR2_TARGET_UBOOT_BOARD_DEFCONFIG="nanopi-m4-rk3399"
BR2_TARGET_UBOOT_NEEDS_DTC=y
BR2_TARGET_UBOOT_NEEDS_PYLIBFDT=y
BR2_TARGET_UBOOT_NEEDS_PYELFTOOLS=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-dtb.bin"

# Kernel
BR2_LINUX_KERNEL=y
BR2_LINUX_KERNEL_CUSTOM_VERSION=y
BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.1"
BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y
BR2_LINUX_KERNEL_DTS_SUPPORT=y
BR2_LINUX_KERNEL_INTREE_DTS_NAME="rockchip/rk3399-nanopi-m4"
BR2_LINUX_KERNEL_INSTALL_TARGET=y
BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y

# Filesystem
BR2_TARGET_GENERIC_HOSTNAME="NanoPi M4"
BR2_TARGET_GENERIC_ISSUE="Welcome to NanoPi M4!"
BR2_TARGET_ROOTFS_EXT2=y
BR2_TARGET_ROOTFS_EXT2_4=y
BR2_PACKAGE_HOST_DOSFSTOOLS=y
BR2_PACKAGE_HOST_GENIMAGE=y
BR2_PACKAGE_HOST_MTOOLS=y
BR2_PACKAGE_HOST_UBOOT_TOOLS=y
BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh"
BR2_ROOTFS_POST_SCRIPT_ARGS="-c board/friendlyarm/nanopi-m4/genimage.cfg"
BR2_ROOTFS_POST_BUILD_SCRIPT="board/friendlyarm/nanopi-m4/post-build.sh"