add CAINIAO CNIoT-CORE initial support

config/boards/cainiao-cniot-core.csc

@@ -0,0 +1,90 @@
+# Amlogic A311D 2GB RAM 16GB eMMC GBE USB3 RTL8822CS WiFi/BT
+BOARD_NAME="CAINIAO CNIoT-CORE"
+BOARDFAMILY="meson-g12b"
+BOARD_MAINTAINER=""
+BOOTCONFIG="cainiao-cniot-core_defconfig"
+KERNEL_TARGET="current,edge"
+KERNEL_TEST_TARGET="current"
+MODULES_BLACKLIST="simpledrm" # SimpleDRM conflicts with Panfrost on the CAINIAO CNIoT-CORE
+FULL_DESKTOP="yes"
+SERIALCON="ttyAML0"
+BOOT_LOGO="desktop"
+BOOT_FDT_FILE="amlogic/meson-g12b-a311d-cainiao-cniot-core.dtb"
+# playback via HDMI: aplay -D plughw:CNIoTCORE,0 /usr/share/sounds/alsa/Front_Center.wav
+# playback via internal speaker: aplay -D plughw:CNIoTCORE,1 /usr/share/sounds/alsa/Front_Center.wav
+ASOUND_STATE="asound.state.cainiao-cniot-core"
+
+BOOTBRANCH_BOARD="tag:v2025.04"
+BOOTPATCHDIR="v2025.04" # This has a patch that adds support for CAINIAO CNIoT-CORE.
+
+function post_family_config__use_repacked_fip() {
+	declare -g UBOOT_TARGET_MAP="u-boot.bin"
+	unset write_uboot_platform
+
+	function write_uboot_platform() {
+		dd if="$1/u-boot.bin" of="$2" bs=512 seek=1 conv=fsync 2>&1
+	}
+}
+
+function fetch_sources_tools__get_vendor_fip_and_gxlimg_source() {
+	fetch_from_repo "https://github.com/retro98boy/cainiao-cniot-core-linux.git" "cainiao-cniot-core-linux" "commit:30273c25aeabf75f609cff2c4fa7264335c295a8"
+	fetch_from_repo "https://github.com/repk/gxlimg.git" "gxlimg" "commit:0d0e5ba9cf396d1338067e8dc37a8bcd2e6874f1"
+}
+
+function build_host_tools__install_gxlimg() {
+	# Compile and install only if git commit hash changed
+	cd "${SRC}/cache/sources/gxlimg" || exit
+	# need to check if /usr/local/bin/gxlimg to detect new Docker containers with old cached sources
+	if [[ ! -f .commit_id || $(git rev-parse @ 2> /dev/null) != $(< .commit_id) || ! -f /usr/local/bin/gxlimg ]]; then
+		display_alert "Compiling" "gxlimg" "info"
+		run_host_command_logged make distclean
+		run_host_command_logged make
+		install -Dm0755 gxlimg /usr/local/bin/gxlimg
+		git rev-parse @ 2> /dev/null > .commit_id
+	fi
+}
+
+function post_uboot_custom_postprocess__repack_vendor_fip_with_mainline_uboot() {
+	display_alert "${BOARD}" "Repacking vendor FIP with mainline u-boot.bin" "info"
+
+	BLOBS_DIR="${SRC}/cache/sources/cainiao-cniot-core-linux"
+	EXTRACT_DIR="${BLOBS_DIR}/extract"
+	AML_ENCRYPT="${SRC}/cache/sources/amlogic-boot-fip/khadas-vim3/aml_encrypt_g12b"
+
+	if [ ! -f "$AML_ENCRYPT" ]; then
+		display_alert "${BOARD}" "amlogic-boot-fip/khadas-vim3/aml_encrypt_g12b not exist" "err"
+		exit 1
+	fi
+
+	mv u-boot.bin raw-u-boot.bin
+	rm -f "${EXTRACT_DIR}/bl33.enc"
+	# The current version of gxlimg has a problem with the handling of bl3x,
+	# which may cause the produced fip to fail to boot.
+	# see https://github.com/repk/gxlimg/issues/19
+	# run_host_command_logged gxlimg -t bl3x -s raw-u-boot.bin "${EXTRACT_DIR}/bl33.enc"
+	run_host_x86_binary_logged "$AML_ENCRYPT" --bl3sig \
+		--input raw-u-boot.bin \
+		--output "${EXTRACT_DIR}/bl33.enc" \
+		--level v3 --type bl33
+	run_host_command_logged gxlimg \
+		-t fip \
+		--bl2 "${EXTRACT_DIR}/bl2.sign" \
+		--ddrfw "${EXTRACT_DIR}/ddr4_1d.fw" \
+		--ddrfw "${EXTRACT_DIR}/ddr4_2d.fw" \
+		--ddrfw "${EXTRACT_DIR}/ddr3_1d.fw" \
+		--ddrfw "${EXTRACT_DIR}/piei.fw" \
+		--ddrfw "${EXTRACT_DIR}/lpddr4_1d.fw" \
+		--ddrfw "${EXTRACT_DIR}/lpddr4_2d.fw" \
+		--ddrfw "${EXTRACT_DIR}/diag_lpddr4.fw" \
+		--ddrfw "${EXTRACT_DIR}/aml_ddr.fw" \
+		--ddrfw "${EXTRACT_DIR}/lpddr3_1d.fw" \
+		--bl30 "${EXTRACT_DIR}/bl30.enc" \
+		--bl31 "${EXTRACT_DIR}/bl31.enc" \
+		--bl33 "${EXTRACT_DIR}/bl33.enc" \
+		--rev v3 u-boot.bin
+
+	if [ ! -s u-boot.bin ]; then
+		display_alert "${BOARD}" "FIP repack produced empty u-boot.bin" "err"
+		exit 1
+	fi
+}

config/sources/families/meson-g12b.conf

@@ -24,6 +24,9 @@ function uboot_custom_postprocess() {
 	elif [[ $BOARD == khadas-vim3 ]]; then
 		# do nothing. VIM3 has its own post_uboot_custom_postprocess hook, directly in the board file.
 		:
+	elif [[ $BOARD == cainiao-cniot-core ]]; then
+		# do nothing. CAINIAO CNIoT-CORE has its own post_uboot_custom_postprocess hook, directly in the board file.
+		:
 	elif [[ $BOARD == radxa-zero2 ]]; then
 		uboot_g12_postprocess "$SRC"/cache/sources/amlogic-boot-fip/radxa-zero2 g12b
 	elif [[ $BOARD == bananapim2s ]]; then