Initial commit

target/linux/imx/cortexa53/base-files/lib/preinit/79_move_config

@@ -0,0 +1,17 @@
+. /lib/functions.sh
+. /lib/upgrade/common.sh
+
+move_config() {
+	local board=$(board_name)
+	local partdev
+
+	export_bootdevice && export_partdevice partdev 1 && {
+		mount -o rw,noatime "/dev/$partdev" /mnt
+		[ -f "/mnt/$BACKUP_FILE" ] && {
+			mv -f "/mnt/$BACKUP_FILE" /
+		}
+		umount /mnt
+	}
+}
+
+boot_hook_add preinit_mount_root move_config

target/linux/imx/cortexa53/base-files/lib/upgrade/platform.sh

@@ -0,0 +1,53 @@
+
+enable_image_metadata_check() {
+	case "$(board_name)" in
+	gw,imx8m*)
+		REQUIRE_IMAGE_METADATA=1
+		;;
+	esac
+}
+enable_image_metadata_check
+
+platform_check_image() {
+	local board=$(board_name)
+
+	case "$board" in
+	gw,imx8m*)
+		return 0
+		;;
+	esac
+
+	echo "Sysupgrade is not yet supported on $board."
+	return 1
+}
+
+platform_do_upgrade() {
+	local board=$(board_name)
+
+	case "$board" in
+	gw,imx8m*)
+		export_bootdevice && export_partdevice diskdev 0 || {
+			echo "Unable to find root device."
+			return 1
+		}
+		v "Updating /dev/$diskdev..."
+		get_image "$@" | dd of="/dev/$diskdev" bs=4096 conv=fsync
+		;;
+	esac
+}
+
+platform_copy_config() {
+	local board=$(board_name)
+	local partdev
+
+	case "$board" in
+	gw,imx8m*)
+		export_partdevice partdev 1 && {
+			v "Storing $UPGRADE_BACKUP on /dev/$partdev..."
+			mount -o rw,noatime "/dev/$partdev" /mnt
+			cp -af "$UPGRADE_BACKUP" "/mnt/$BACKUP_FILE"
+			umount /mnt
+		}
+		;;
+	esac
+}