octeon: add sysupgrade support for the erlite

Signed-off-by: John Crispin <blogic@openwrt.org>
SVN-Revision: 41286

diff --git a/target/linux/octeon/base-files/lib/upgrade/platform.sh b/target/linux/octeon/base-files/lib/upgrade/platform.sh
new file mode 100755 (executable)
index 0000000..e4c7b6f
--- /dev/null
+++ b/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
+}