build/config/boards/odroidm1.wip

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# Rockchip RK3568 quad core 4GB-8GB GBE PCIe USB3 SATA NVMe
BOARD_NAME="ODROID M1"
BOARDFAMILY="rk3568-odroid" # Separate kernel, has its own family. Uses rockchip64_common for most stuff.
BOARD_MAINTAINER="rpardini"
BOOT_SOC="rk3568"
KERNEL_TARGET="edge"
BOOT_FDT_FILE="rockchip/rk3568-odroid-m1.dtb"
SRC_EXTLINUX="no"
ASOUND_STATE="asound.state.station-m2"
IMAGE_PARTITION_TABLE="gpt"
FULL_DESKTOP="yes"
BOOT_LOGO="desktop"
BOOTSOURCE="https://github.com/Kwiboo/u-boot-rockchip.git"
BOOTBRANCH_BOARD="commit:a6e84f9f5b90ff0fa3ac4e6b7e0d6e2c3ac9bb1b" # specific commit, from "branch:rk3568-2023.10" which is v2023.10-rc2 + kwiboo's patches (including GMAC)
BOOTPATCHDIR="v2023.10"
BOOTCONFIG="odroid-m1-rk3568_defconfig"
BOOTDIR="u-boot-${BOARD}" # do not share u-boot directory
# Newer blobs...
DDR_BLOB="rk35/rk3568_ddr_1560MHz_v1.18.bin"
BL31_BLOB="rk35/rk3568_bl31_v1.43.elf"
# HK's SPI partition on MTD:
# mtd0: start 0 size 917.504 end 917.504 : SPL == start 0x0 size 0xe0000 : SPL
# mtd1: start 917.504 size 131.072 end 1.048.576 : U-Boot Env == start 0xe0000 size 0x20000 : U-Boot Env
# mtd2: start 1.048.576 size 2.097.152 end 3.145.728 : U-Boot == start 0x100000 size 0x200000 : U-Boot
function post_family_config__uboot_config() {
display_alert "$BOARD" "u-boot ${BOOTBRANCH_BOARD} overrides" "info"
BOOTDELAY=2 # Wait for UART interrupt to enter UMS/RockUSB mode etc
UBOOT_TARGET_MAP="BL31=${RKBIN_DIR}/$BL31_BLOB ROCKCHIP_TPL=${RKBIN_DIR}/${DDR_BLOB};;u-boot-rockchip.bin u-boot-rockchip-spi.bin u-boot.itb idbloader.img idbloader-spi.img"
unset uboot_custom_postprocess write_uboot_platform write_uboot_platform_mtd # disable stuff from rockchip64_common; we're using binman here which does all the work already
# Just use the binman-provided u-boot-rockchip.bin, which is ready-to-go
function write_uboot_platform() {
dd if=${1}/u-boot-rockchip.bin of=${2} bs=32k seek=1 conv=fsync
}
# We don't use u-boot-rockchip-spi.bin here; instead, write SPL and u-boot individually
# If we're deinfesting from Petitboot, clear the environment too; PREBOOT will save a new one for mainline
function write_uboot_platform_mtd() {
declare -a extra_opts_flashcp=("--verbose")
# -p is: "read the flash and only write blocks that are actually different"
# if on bullseye et al, flashcp/mtd-utils is old, and doesn't have --partition/-p
if flashcp -h | grep -q -e '--partition'; then
echo "Confirmed flashcp supports --partition -- read and write only changed blocks." >&2
extra_opts_flashcp+=("--partition")
else
echo "flashcp does not support --partition, will write full SPI flash blocks." >&2
fi
flashcp "${extra_opts_flashcp[@]}" "${1}/idbloader-spi.img" /dev/mtd0 # write SPL
flashcp "${extra_opts_flashcp[@]}" "${1}/u-boot.itb" /dev/mtd2 # write u-boot
if fw_printenv | grep -q -i petitboot; then # Petitboot leaves a horrible env behind, clear it off if so
echo "Found traces of Petitboot in SPI u-boot environment, clearing SPI environment..." >&2
flash_erase /dev/mtd1 0 0 # clear u-boot env
fi
}
}
function add_host_dependencies__new_uboot_wants_python3_odroidm1() {
declare -g EXTRA_BUILD_DEPS="${EXTRA_BUILD_DEPS} python3-pyelftools" # @TODO: convert to array later
}
# Include fw_setenv, configured to point to Petitboot's u-env mtd partition
PACKAGE_LIST_BOARD="libubootenv-tool" # libubootenv-tool provides fw_printenv and fw_setenv, for talking to U-Boot environment
function post_family_tweaks__config_odroidm1_fwenv() {
display_alert "Configuring fw_printenv and fw_setenv" "for Odroid M1" "info"
# Addresses below come from
# - (we use mainline, not vendor, so this is only for reference)
# https://github.com/hardkernel/u-boot/blob/356906e6445378a45ac14ec184fc6e666b22338a/configs/odroid_rk3568_defconfig#L212-L213
# - (armbian's uboot patches try to keep this mtd partition layout valid)
# https://github.com/torvalds/linux/blob/master/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts#L637-L662
# The kernel DT has a convenient partition table, so mtd1 is ready to use, just gotta set the size.
cat <<- 'FW_ENV_CONFIG' > "${SDCARD}"/etc/fw_env.config
# MTD on the SPI for the Odroid-M1; this requires the MTD partition table in the board kernel DTS
# MTD device name Device offset Env. size Flash sector size Number of sectors
/dev/mtd1 0x0000 0x20000
FW_ENV_CONFIG
}