ar71xx: add sysupgrade support for the Compex boards

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39390 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/ar71xx/base-files/lib/upgrade/platform.sh

@@ -89,6 +89,23 @@ cybertan_check_image() {
 	return 0
 }
 
+platform_do_upgrade_compex() {
+	local fw_file=$1
+	local fw_part=$PART_NAME
+	local fw_mtd=$(find_mtd_part $fw_part)
+	local fw_length=0x$(dd if="$fw_file" bs=2 skip=1 count=4 2>/dev/null)
+	local fw_blocks=$(($fw_length / 65536))
+
+	if [ -n "$fw_mtd" ] &&  [ ${fw_blocks:-0} -gt 0 ]; then
+		local append=""
+		[ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR"
+
+		sync
+		dd if="$fw_file" bs=64k skip=1 count=$fw_blocks 2>/dev/null | \
+			mtd $append write - "$fw_part"
+	fi
+}
+
 platform_check_image() {
 	local board=$(ar71xx_board_name)
 	local magic="$(get_magic_word "$1")"
@@ -288,7 +305,9 @@ platform_check_image() {
 	eap7660d | \
 	ja76pf | \
 	ja76pf2 | \
-	jwap003)
+	jwap003 | \
+	wp543 | \
+	wpe72)
 		[ "$magic" != "4349" ] && {
 			echo "Invalid image. Use *-sysupgrade.bin files on this board"
 			return 1
@@ -327,6 +346,10 @@ platform_do_upgrade() {
 	jwap003)
 		platform_do_upgrade_combined "$ARGV"
 		;;
+	wp543|\
+	wpe72)
+		platform_do_upgrade_compex "$ARGV"
+		;;
 	all0258n )
 		platform_do_upgrade_allnet "0x9f050000" "$ARGV"
 		;;