ar71xx: fix sysupgrade on the ubnt nanostation m

[openwrt.git] / 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
index a5cb354..86b98c3 100755 (executable)
--- a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
@@ -7,6 +7,60 @@
 PART_NAME=firmware
 RAMFS_COPY_DATA=/lib/ar71xx.sh
 
+CI_BLKSZ=65536
+CI_LDADR=0x80060000
+
+platform_find_partitions() {
+       local first dev size erasesize name
+       while read dev size erasesize name; do
+               name=${name#'"'}; name=${name%'"'}
+               case "$name" in
+                       vmlinux.bin.l7|kernel|linux|rootfs)
+                               if [ -z "$first" ]; then
+                                       first="$name"
+                               else
+                                       echo "$erasesize:$first:$name"
+                                       break
+                               fi
+                       ;;
+               esac
+       done < /proc/mtd
+}
+
+platform_find_kernelpart() {
+       local part
+       for part in "${1%:*}" "${1#*:}"; do
+               case "$part" in
+                       vmlinux.bin.l7|kernel|linux)
+                               echo "$part"
+                               break
+                       ;;
+               esac
+       done
+}
+
+platform_do_upgrade_combined() {
+       local partitions=$(platform_find_partitions)
+       local kernelpart=$(platform_find_kernelpart "${partitions#*:}")
+       local erase_size=$((0x${partitions%%:*})); partitions="${partitions#*:}"
+       local kern_length=0x$(dd if="$1" bs=2 skip=1 count=4 2>/dev/null)
+       local kern_blocks=$(($kern_length / $CI_BLKSZ))
+       local root_blocks=$((0x$(dd if="$1" bs=2 skip=5 count=4 2>/dev/null) / $CI_BLKSZ))
+
+       if [ -n "$partitions" ] && [ -n "$kernelpart" ] && \
+          [ ${kern_blocks:-0} -gt 0 ] && \
+          [ ${root_blocks:-0} -gt ${kern_blocks:-0} ] && \
+          [ ${erase_size:-0} -gt 0 ];
+       then
+               local append=""
+               [ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR"
+
+               ( dd if="$1" bs=$CI_BLKSZ skip=1 count=$kern_blocks 2>/dev/null; \
+                 dd if="$1" bs=$CI_BLKSZ skip=$((1+$kern_blocks)) count=$root_blocks 2>/dev/null ) | \
+                       mtd -r $append -F$kernelpart:$kern_length:$CI_LDADR,rootfs write - $partitions
+       fi
+}
+
 platform_check_image() {
        local board=$(ar71xx_board_name)
        local magic="$(get_magic_word "$1")"
@@ -14,27 +68,69 @@ platform_check_image() {
        [ "$ARGC" -gt 1 ] && return 1
 
        case "$board" in
-       ap83 | mzk-w04nu | mzk-w300nh | tew-632brp | wrt-400n)
+       ap81 | ap83 | dir-600-a1 | dir-615-c1 | dir-825-b1 | mzk-w04nu | mzk-w300nh | tew-632brp | wrt400n | bullet-m | nanostation-m | rocket-m | wzr-hp-g300nh )
                [ "$magic" != "2705" ] && {
                        echo "Invalid image type."
                        return 1
                }
                return 0
                ;;
-        tl-wr741nd | tl-wr941nd)
+       tl-wa901nd | tl-wr741nd | tl-wr841n-v1 | tl-wr941nd | tl-wr1043nd)
                [ "$magic" != "0100" ] && {
                        echo "Invalid image type."
                        return 1
                }
                return 0
                ;;
+       wndr3700)
+               [ "$magic" != "3337" ] && {
+                       echo "Invalid image type."
+                       return 1
+               }
+               return 0
+               ;;
+       wrt160nl)
+               [ "$magic" != "4e4c" ] && {
+                       echo "Invalid image type."
+                       return 1
+               }
+               return 0
+               ;;
+       routerstation | routerstation-pro | ls-sr71 | pb42 | pb44)
+               [ "$magic" != "4349" ] && {
+                       echo "Invalid image. Use *-sysupgrade.bin files on this board"
+                       return 1
+               }
+
+               local md5_img=$(dd if="$1" bs=2 skip=9 count=16 2>/dev/null)
+               local md5_chk=$(dd if="$1" bs=$CI_BLKSZ skip=1 2>/dev/null | md5sum -); md5_chk="${md5_chk%% *}"
+
+               if [ -n "$md5_img" -a -n "$md5_chk" ] && [ "$md5_img" = "$md5_chk" ]; then
+                       return 0
+               else
+                       echo "Invalid image. Contents do not match checksum (image:$md5_img calculated:$md5_chk)"
+                       return 1
+               fi
+               return 0
+               ;;
        esac
 
        echo "Sysupgrade is not yet supported on $board."
        return 1
 }
 
-# use default for platform_do_upgrade()
+platform_do_upgrade() {
+       local board=$(ar71xx_board_name)
+
+       case "$board" in
+       routerstation | routerstation-pro | ls-sr71)
+               platform_do_upgrade_combined "$ARGV"
+               ;;
+       *)
+               default_do_upgrade "$ARGV"
+               ;;
+       esac
+}
 
 disable_watchdog() {
        killall watchdog