1 files changed, 8 insertions, 99 deletions
diff --git a/target/linux/cns3xxx/base-files/lib/upgrade/platform.sh b/target/linux/cns3xxx/base-files/lib/upgrade/platform.sh
index 6d94a5384d..4efa47dee0 100644
--- a/target/linux/cns3xxx/base-files/lib/upgrade/platform.sh
+++ b/target/linux/cns3xxx/base-files/lib/upgrade/platform.sh
@@ -1,112 +1,21 @@
-. /lib/cns3xxx.sh
-
-RAMFS_COPY_DATA="/lib/cns3xxx.sh"
+PART_NAME=firmware
 
 CI_BLKSZ=65536
 
-platform_find_partitions() {
-	local first dev size erasesize name
-	while read dev size erasesize name; do
-		name=${name#'"'}; name=${name%'"'}
-		case "$name" in
-			vmlinux.bin.l7|kernel|linux|rootfs)
-				if [ -z "$first" ]; then
-					first="$name"
-				else
-					echo "$erasesize:$first:$name"
-					break
-				fi
-			;;
-		esac
-	done < /proc/mtd
-}
-
-platform_find_kernelpart() {
-	local part
-	for part in "${1%:*}" "${1#*:}"; do
-		case "$part" in
-			vmlinux.bin.l7|kernel|linux)
-				echo "$part"
-				break
-			;;
-		esac
-	done
-}
-
-platform_do_upgrade_combined() {
-	local partitions=$(platform_find_partitions)
-	local kernelpart=$(platform_find_kernelpart "${partitions#*:}")
-	local erase_size=$((0x${partitions%%:*})); partitions="${partitions#*:}"
-	local kern_length=0x$(dd if="$1" bs=2 skip=1 count=4 2>/dev/null)
-	local kern_blocks=$(($kern_length / $CI_BLKSZ))
-	local root_blocks=$((0x$(dd if="$1" bs=2 skip=5 count=4 2>/dev/null) / $CI_BLKSZ))
-
-	v "platform_do_upgrade_combined"
-	v "partitions=$partitions"
-	v "kernelpart=$kernelpart"
-	v "erase_size=$erase_size" 
-	v "kern_blocks=$kern_blocks"
-	v "root_blocks=$root_blocks"
-
-	if [ -n "$partitions" ] && [ -n "$kernelpart" ] && \
-	   [ ${kern_blocks:-0} -gt 0 ] && \
-	   [ ${root_blocks:-0} -gt 0 ] && \
-	   [ ${erase_size:-0} -gt 0 ];
-	then
-		local append=""
-		[ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR"
-
-		dd if="$1" bs=$CI_BLKSZ skip=1 count=$kern_blocks 2>/dev/null | mtd write - kernel
-		dd if="$1" bs=$CI_BLKSZ skip=$((1+$kern_blocks)) count=$root_blocks 2>/dev/null | \
-				 mtd -r $append write - rootfs
-	else
-		echo "invalid image"
-	fi
-}
-
 platform_check_image() {
-	local board=$(cns3xxx_board_name)
-	local magic="$(get_magic_word "$1")"
-	local magic_long="$(get_magic_long "$1")"
+	local magic="$(get_magic_long "$1")"
 
 	[ "$#" -gt 1 ] && return 1
 
-	case "$board" in
-	laguna)
-		[ "$magic" != "4349" ] && {
-			echo "Invalid image. Use *-sysupgrade.bin files on this board"
-			return 1
-		}
-
-		local md5_img=$(dd if="$1" bs=2 skip=9 count=16 2>/dev/null)
-		local md5_chk=$(dd if="$1" bs=$CI_BLKSZ skip=1 2>/dev/null | md5sum -); md5_chk="${md5_chk%% *}"
-
-		if [ -n "$md5_img" -a -n "$md5_chk" ] && [ "$md5_img" = "$md5_chk" ]; then
-			return 0
-		else
-			echo "Invalid image. Contents do not match checksum (image:$md5_img calculated:$md5_chk)"
-			return 1
-		fi
-		return 0
-		;;
-	esac
-
-	echo "Sysupgrade is not yet supported on $board."
-	return 1
+	[ "$magic" != "27051956" ] && {
+		echo "Invalid image type."
+		return 1
+	}
+	return 0
 }
 
 platform_do_upgrade() {
-	local board=$(cns3xxx_board_name)
-
-	v "board=$board"
-	case "$board" in
-	laguna)
-		platform_do_upgrade_combined "$ARGV"
-		;;
-	*)
-		default_do_upgrade "$ARGV"
-		;;
-	esac
+	default_do_upgrade "$ARGV"
 }
 
 disable_watchdog() {