licheepi_nano_defconfig

#
# Main Buildroot config file for LicheePi Nano
#

#
# ARMv5 compilation target
#
BR2_arm=y
BR2_ARCH="arm"
BR2_ENDIAN="LITTLE"
BR2_GCC_TARGET_ABI="aapcs-linux"
BR2_GCC_TARGET_CPU="arm926ej-s"
BR2_GCC_TARGET_FLOAT_ABI="soft"
BR2_GCC_TARGET_MODE="arm"
BR2_ARM_CPU_MAYBE_HAS_FPU=y
BR2_ARM_CPU_MAYBE_HAS_VFPV2=y
BR2_ARM_CPU_HAS_ARM=y
BR2_ARM_CPU_HAS_THUMB=y
BR2_ARM_CPU_ARMV5=y
BR2_arm926t=y

#
# Debug messages for BR2 downloads
#
BR2_ENABLE_DEBUG=y

#
# Buildroot toolchain defined as external tarball
#
BR2_TOOLCHAIN_BUILDROOT=n
BR2_TOOLCHAIN_EXTERNAL=y
BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
BR2_TOOLCHAIN_EXTERNAL_URL="file:///root/arm-buildroot-linux-gnueabi_sdk-buildroot.tar.gz"
BR2_TOOLCHAIN_EXTERNAL_GCC_11=y
BR2_TOOLCHAIN_EXTERNAL_HEADERS_5_11=y
BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
BR2_TOOLCHAIN_EXTERNAL_CXX=y
BR2_TOOLCHAIN_EXTERNAL_INET_RPC=n
BR2_TOOLCHAIN_EXTERNAL_WCHAR=y
BR2_TOOLCHAIN_EXTERNAL_LOCALE=y
BR2_TOOLCHAIN_EXTERNAL_HAS_SSP=y

#
# OS name and login settings
#
BR2_TARGET_GENERIC_HOSTNAME="licheepi-nano"
BR2_TARGET_GENERIC_ISSUE="Welcome to LicheePi Nano"
BR2_TARGET_GENERIC_ROOT_PASSWD="root"
BR2_TARGET_GENERIC_GETTY_PORT="/dev/ttyS0"
BR2_TARGET_GENERIC_GETTY_BAUDRATE_115200=y

#
# Custom file additions
#
BR2_ROOTFS_OVERLAY="$(BR2_EXTERNAL_LICHEEPI_NANO_PATH)/board/licheepi_nano/rootfs-overlay"

#
# Linux kernel customized for the board
# (using tarball download as it is much faster than Git)
#
BR2_LINUX_KERNEL=y
BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
# BR2_LINUX_KERNEL_CUSTOM_GIT=y

# @unframework Linux fork and tag
# (cherry-picked from Lichee-Pi Linux fork nano-5.2-flash branch as of 2021-03-06)
BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/unframework/linux/archive/v5.11-nano-4/v5.11-nano-4.tar.gz"
BR2_LINUX_KERNEL_VERSION="v5.11-nano-4"

# original Lichee-Pi Linux fork and branch without Flash-specific config changes
# BR2_LINUX_KERNEL_CUSTOM_REPO_URL="https://github.com/Lichee-Pi/linux"
# BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="nano-5.2-tf"

BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL_LICHEEPI_NANO_PATH)/board/licheepi_nano/licheepi_nano_linux_defconfig"

# original Lichee-Pi Linux fork provided defconfig
# BR2_LINUX_KERNEL_DEFCONFIG="licheepi_nano"

# custom DTS file with local overrides
BR2_LINUX_KERNEL_DTS_SUPPORT=y
BR2_LINUX_KERNEL_CUSTOM_DTS_PATH="$(BR2_EXTERNAL_LICHEEPI_NANO_PATH)/board/licheepi_nano/suniv-f1c100s-licheepi-nano-custom.dts"

#
# Build root FS ext2 (for TF card)
#
BR2_TARGET_ROOTFS_EXT2=y
BR2_TARGET_ROOTFS_EXT2_4=y
BR2_TARGET_ROOTFS_EXT2_SIZE="10M"

# BR2_TARGET_ROOTFS_TAR is not set

#
# Package up the images for deployment to board
#
BR2_ROOTFS_POST_IMAGE_SCRIPT="$(BR2_EXTERNAL_LICHEEPI_NANO_PATH)/board/licheepi_nano/post-image.sh"

#
# U-Boot customized for the board
#
BR2_TARGET_UBOOT=y
# @todo this BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
BR2_TARGET_UBOOT_BOARDNAME="licheepi_nano"
BR2_TARGET_UBOOT_CUSTOM_GIT=y

# @unframework U-Boot fork and tag
# (rebased from @Icenowy U-Boot fork f1c100s-spiflash branch as of 2021-03-06, plus others)
BR2_TARGET_UBOOT_CUSTOM_REPO_URL="https://github.com/unframework/u-boot"
BR2_TARGET_UBOOT_CUSTOM_REPO_VERSION="v2021.01-f1c100s-4"

# original Lichee-Pi U-Boot fork and branch
# BR2_TARGET_UBOOT_CUSTOM_REPO_URL="https://github.com/Lichee-Pi/u-boot"
# BR2_TARGET_UBOOT_CUSTOM_REPO_VERSION="nano-v2018.01"

BR2_TARGET_UBOOT_NEEDS_DTC=y
BR2_TARGET_UBOOT_NEEDS_PYLIBFDT=y

# BR2_TARGET_UBOOT_FORMAT_BIN is not set
BR2_TARGET_UBOOT_FORMAT_CUSTOM=y
BR2_TARGET_UBOOT_FORMAT_CUSTOM_NAME="u-boot-sunxi-with-spl.bin"

BR2_PACKAGE_HOST_UBOOT_TOOLS=y
BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT=y
BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT_SOURCE="$(BR2_EXTERNAL_LICHEEPI_NANO_PATH)/board/licheepi_nano/boot.cmd"

#
# Extra host dependencies to build images
#
BR2_PACKAGE_HOST_GENIMAGE=y
BR2_PACKAGE_HOST_MTOOLS=y

#
# Preload Linux firmware source repo for dev
#
BR2_PACKAGE_LINUX_FIRMWARE=y