openwrt/target/linux/layerscape/base-files/lib/upgrade/platform.sh

#
# Copyright 2015-2019 Traverse Technologies
# Copyright 2020 NXP
#

RAMFS_COPY_BIN="/usr/sbin/fw_printenv /usr/sbin/fw_setenv /usr/sbin/ubinfo /bin/echo"
RAMFS_COPY_DATA="/etc/fw_env.config /var/lock/fw_printenv.lock"

REQUIRE_IMAGE_METADATA=1

platform_do_upgrade_sdboot() {
	local diskdev partdev parttype=ext4
	local tar_file="$1"
	local board_dir=$(tar tf $tar_file | grep -m 1 '^sysupgrade-.*/$')
	board_dir=${board_dir%/}

	export_bootdevice && export_partdevice diskdev 0 || {
		echo "Unable to determine upgrade device"
		return 1
	}

	if export_partdevice partdev 1; then
		mount -t $parttype -o rw,noatime "/dev/$partdev" /mnt 2>&1
		echo "Writing kernel..."
		tar xf $tar_file ${board_dir}/kernel -O > /mnt/fitImage
		umount /mnt
	fi

	echo "Erasing rootfs..."
	dd if=/dev/zero of=/dev/mmcblk0p2 bs=1M > /dev/null 2>&1
	echo "Writing rootfs..."
	tar xf $tar_file ${board_dir}/root -O  | dd of=/dev/mmcblk0p2 bs=512k > /dev/null 2>&1

}
platform_do_upgrade_traverse_nandubi() {
	bootsys=$(fw_printenv bootsys | awk -F= '{{print $2}}')
	newbootsys=2
	if [ "$bootsys" -eq "2" ]; then
		newbootsys=1
	fi

	# If nand_do_upgrade succeeds, we don't have an opportunity to add any actions of
	# our own, so do it here and set back on failure
	echo "Setting bootsys to #${newbootsys}"
	fw_setenv bootsys $newbootsys
	CI_UBIPART="nandubi"
	CI_KERNPART="kernel${newbootsys}"
	CI_ROOTPART="rootfs${newbootsys}"
	nand_do_upgrade "$1" || (echo "Upgrade failed, setting bootsys ${bootsys}" && fw_setenv bootsys $bootsys)

}
platform_copy_config_sdboot() {
	local diskdev partdev parttype=ext4

	export_bootdevice && export_partdevice diskdev 0 || {
		echo "Unable to determine upgrade device"
		return 1
	}

	if export_partdevice partdev 1; then
		mount -t $parttype -o rw,noatime "/dev/$partdev" /mnt 2>&1
		echo "Saving config backup..."
		cp -af "$UPGRADE_BACKUP" "/mnt/$BACKUP_FILE"
		umount /mnt
	fi
}
platform_copy_config() {
	local board=$(board_name)

	case "$board" in
	fsl,ls1012a-frwy-sdboot | \
	fsl,ls1021a-iot-sdboot | \
	fsl,ls1021a-twr-sdboot | \
	fsl,ls1043a-rdb-sdboot | \
	fsl,ls1046a-rdb-sdboot | \
	fsl,ls1088a-rdb-sdboot)
		platform_copy_config_sdboot
		;;
	esac
}
platform_check_image() {
	local board=$(board_name)

	case "$board" in
	traverse,ls1043v | \
	traverse,ls1043s)
		nand_do_platform_check "traverse-ls1043" $1
		return $?
		;;
	fsl,ls1012a-frdm | \
	fsl,ls1012a-frwy-sdboot | \
	fsl,ls1012a-rdb | \
	fsl,ls1021a-iot-sdboot | \
	fsl,ls1021a-twr | \
	fsl,ls1021a-twr-sdboot | \
	fsl,ls1043a-rdb | \
	fsl,ls1043a-rdb-sdboot | \
	fsl,ls1046a-rdb | \
	fsl,ls1046a-rdb-sdboot | \
	fsl,ls1088a-rdb | \
	fsl,ls1088a-rdb-sdboot | \
	fsl,ls2088a-rdb)
		return 0
		;;
	*)
		echo "Sysupgrade is not currently supported on $board"
		;;
	esac

	return 1
}
platform_do_upgrade() {
	local board=$(board_name)

	# Force the creation of fw_printenv.lock
	mkdir -p /var/lock
	touch /var/lock/fw_printenv.lock

	case "$board" in
	traverse,ls1043v | \
	traverse,ls1043s)
		platform_do_upgrade_traverse_nandubi "$1"
		;;
	fsl,ls1012a-frdm | \
	fsl,ls1012a-rdb | \
	fsl,ls1021a-twr | \
	fsl,ls1043a-rdb | \
	fsl,ls1046a-rdb | \
	fsl,ls1088a-rdb | \
	fsl,ls2088a-rdb)
		PART_NAME=firmware
		default_do_upgrade "$1"
		;;
	fsl,ls1012a-frwy-sdboot | \
	fsl,ls1021a-iot-sdboot | \
	fsl,ls1021a-twr-sdboot | \
	fsl,ls1043a-rdb-sdboot | \
	fsl,ls1046a-rdb-sdboot | \
	fsl,ls1088a-rdb-sdboot)
		platform_do_upgrade_sdboot "$1"
		return 0
		;;
	*)
		echo "Sysupgrade is not currently supported on $board"
		;;
	esac
}