# Rockchip RK3566 quad core 2GB-8GB GBE eMMC NVMe USB3 WiFi
BOARD_NAME="BigTreeTech CB2"
BOARD_VENDOR="bigtreetech"
BOARDFAMILY="rockchip64"
BOARD_MAINTAINER="JohnTheCoolingFan"
BOOTCONFIG="bigtreetech-cb2-rk3566_defconfig"
BOOT_SOC="rk3566"
KERNEL_TARGET="current,edge"
KERNEL_TEST_TARGET="current"
BOOT_FDT_FILE="rockchip/rk3566-bigtreetech-pi2.dtb"
IMAGE_PARTITION_TABLE="gpt"
BOOT_SCENARIO="spl-blobs"
OVERLAY_PREFIX='rk3566'
FULL_DESKTOP="yes"
BOOT_LOGO="desktop"

# TODO: replace with BOOT_SCENARIO=binman when it gets merged and in good shape
function post_family_config__bigtreetech-cb2_uboot_overrides() {

	display_alert "$BOARD" "mainline u-boot overrides" "info"

	DDR_BLOB="rk35/rk3566_ddr_1056MHz_v1.21.bin"
	BL31_BLOB="rk35/rk3568_bl31_v1.44.elf" # NOT a typo, bl31 is shared across 68 and 66

	declare -g BOOTDELAY=1
	declare -g BOOTSOURCE="https://github.com/u-boot/u-boot.git"
	declare -g BOOTBRANCH="tag:v2024.10"
	declare -g BOOTPATCHDIR="v2024.10/board_bigtreetech-cb2"
	declare -g UBOOT_TARGET_MAP="BL31=${RKBIN_DIR}/${BL31_BLOB} ROCKCHIP_TPL=${RKBIN_DIR}/${DDR_BLOB};;u-boot-rockchip.bin"
	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=notrunc
	}

	function write_uboot_platform_mtd() {
		declare -a extra_opts_flashcp=("--verbose")
		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}/u-boot-rockchip-spi.bin" /dev/mtd0
	}
}