From 227e69c0f4cf6b349be1c9624f04007cadfb8337 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Sat, 6 Jun 2009 17:44:49 +0000
Subject: [PATCH] add experimental sysupgrade support

SVN-Revision: 16364
---
 .../ar71xx/base-files/lib/upgrade/platform.sh | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100755 target/linux/ar71xx/base-files/lib/upgrade/platform.sh

diff --git a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
new file mode 100755
index 0000000000..fb61db6f2d
--- /dev/null
+++ b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
@@ -0,0 +1,45 @@
+#
+# Copyright (C) 2009 OpenWrt.org
+#
+
+. /lib/ar71xx.sh
+
+PART_NAME=firmware
+
+platform_check_image() {
+	local board=$(ar71xx_board_name)
+	local magic="$(get_magic_word "$1")"
+
+	[ "$ARGC" -gt 1 ] && return 1
+
+	case "$board" in
+	ap83 | mzk-w04nu | mzk-w300nh | tew-632brp | wrt-400n)
+		[ "$magic" != "2705" ] && {
+			echo "Invalid image type."
+			return 1
+		}
+		return 0
+		;;
+	tl-wr941nd)
+		[ "$magic" != "0100" ] && {
+			echo "Invalid image type."
+			return 1
+		}
+		return 0
+		;;
+	esac
+
+	echo "Sysupgrade is not yet supported on $board."
+	return 1
+}
+
+# use default for platform_do_upgrade()
+
+disable_watchdog() {
+	killall watchdog
+	( ps | grep -v 'grep' | grep '/dev/watchdog' ) && {
+		echo 'Could not disable watchdog'
+		return 1
+	}
+}
+append sysupgrade_pre_upgrade disable_watchdog