octeon: add sysupgrade support for the erlite

Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 41286

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

@@ -0,0 +1,54 @@
+#
+# Copyright (C) 2010 OpenWrt.org
+#
+
+. /lib/functions/octeon.sh
+
+platform_do_upgrade() {
+	local board=$(octeon_board_name)
+
+	case "$board" in
+	erlite)
+		local tar_file="$1"
+		local kernel_length=`(tar xf $tar_file sysupgrade-erlite/kernel -O | wc -c) 2> /dev/null`
+		local rootfs_length=`(tar xf $tar_file sysupgrade-erlite/root -O | wc -c) 2> /dev/null`
+
+		[ -f /boot/vmlinux.64 -a ! -L /boot/vmlinux.64 ] && {
+			mv /boot/vmlinux.64 /boot/vmlinux.64.previous
+			mv /boot/vmlinux.64.md5 /boot/vmlinux.64.md5.previous
+		}
+
+		mkdir -p /boot
+		mount -t vfat /dev/sda1 /boot
+		tar xf $tar_file sysupgrade-erlite/kernel -O > /boot/vmlinux.64
+		md5sum /boot/vmlinux.64 | cut -f1 -d " " > /boot/vmlinux.64.md5
+		tar xf $tar_file sysupgrade-erlite/root -O | dd of=/dev/sda2 bs=4096
+		sync
+		umount /mnt
+		return 0
+		;;
+	esac
+
+	return 1
+	
+}
+
+platform_check_image() {
+	local board=$(octeon_board_name)
+
+	case "$board" in
+	erlite)
+		local tar_file="$1"
+		local kernel_length=`(tar xf $tar_file sysupgrade-erlite/kernel -O | wc -c) 2> /dev/null`
+		local rootfs_length=`(tar xf $tar_file sysupgrade-erlite/root -O | wc -c) 2> /dev/null`
+		[ "$kernel_length" = 0 -o "$rootfs_length" = 0 ] && {
+			echo "The upgarde image is corrupt."
+			return 1
+		}
+		return 0
+		;;
+	esac
+
+	echo "Sysupgrade is not yet supported on $board."
+	return 1
+}