mpc85xx: add user-space support for the TL-WDR4900 v1

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

SVN-Revision: 35733

target/linux/mpc85xx/base-files/lib/upgrade/platform.sh

@@ -0,0 +1,85 @@
+#
+# Copyright (C) 2011 OpenWrt.org
+#
+
+. /lib/mpc85xx.sh
+
+PART_NAME=firmware
+RAMFS_COPY_DATA=/lib/mpc85xx.sh
+
+tplink_get_hwid() {
+	local part
+
+	part=$(find_mtd_part u-boot)
+	[ -z "$part" ] && return 1
+
+	dd if=$part bs=4 count=1 skip=81728 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
+}
+
+tplink_get_image_hwid() {
+	get_image "$@" | dd bs=4 count=1 skip=16 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
+}
+
+tplink_get_image_boot_size() {
+	get_image "$@" | dd bs=4 count=1 skip=37 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
+}
+
+platform_check_image() {
+	local board=$(mpc85xx_board_name)
+	local magic="$(get_magic_long "$1")"
+
+	[ "$ARGC" -gt 1 ] && return 1
+
+	case $board in
+	tl-wdr4900-v1)
+		[ "$magic" != "01000000" ] && {
+			echo "Invalid image type."
+			return 1
+		}
+
+		local hwid
+		local imageid
+
+		hwid=$(tplink_get_hwid)
+		imageid=$(tplink_get_image_hwid "$1")
+
+		[ "$hwid" != "$imageid" ] && {
+			echo "Invalid image, hardware ID mismatch, hw:$hwid image:$imageid."
+			return 1
+		}
+
+		local boot_size
+
+		boot_size=$(tplink_get_image_boot_size "$1")
+		[ "$boot_size" != "00000000" ] && {
+			echo "Invalid image, it contains a bootloader."
+			return 1
+		}
+
+		return 0
+		;;
+	esac
+
+	echo "Sysupgrade is not yet supported on $board."
+	return 1
+}
+
+platform_do_upgrade() {
+	local board=$(mpc85xx_board_name)
+
+	case "$board" in
+	*)
+		default_do_upgrade "$ARGV"
+		;;
+	esac
+}
+
+disable_watchdog() {
+	killall watchdog
+	( ps | grep -v 'grep' | grep '/dev/watchdog' ) && {
+		echo 'Could not disable watchdog'
+		return 1
+	}
+}
+
+append sysupgrade_pre_upgrade disable_watchdog