target/linux/ar71xx/base-files/lib/upgrade/platform.sh

   1 #
   2 # Copyright (C) 2011 OpenWrt.org
   3 #
   4
   5 . /lib/ar71xx.sh
   6
   7 PART_NAME=firmware
   8 RAMFS_COPY_DATA=/lib/ar71xx.sh
   9
  10 CI_BLKSZ=65536
  11 CI_LDADR=0x80060000
  12
  13 platform_find_partitions() {
  14         local first dev size erasesize name
  15         while read dev size erasesize name; do
  16                 name=${name#'"'}; name=${name%'"'}
  17                 case "$name" in
  18                         vmlinux.bin.l7|kernel|linux|rootfs)
  19                                 if [ -z "$first" ]; then
  20                                         first="$name"
  21                                 else
  22                                         echo "$erasesize:$first:$name"
  23                                         break
  24                                 fi
  25                         ;;
  26                 esac
  27         done < /proc/mtd
  28 }
  29
  30 platform_find_kernelpart() {
  31         local part
  32         for part in "${1%:*}" "${1#*:}"; do
  33                 case "$part" in
  34                         vmlinux.bin.l7|kernel|linux)
  35                                 echo "$part"
  36                                 break
  37                         ;;
  38                 esac
  39         done
  40 }
  41
  42 platform_do_upgrade_combined() {
  43         local partitions=$(platform_find_partitions)
  44         local kernelpart=$(platform_find_kernelpart "${partitions#*:}")
  45         local erase_size=$((0x${partitions%%:*})); partitions="${partitions#*:}"
  46         local kern_length=0x$(dd if="$1" bs=2 skip=1 count=4 2>/dev/null)
  47         local kern_blocks=$(($kern_length / $CI_BLKSZ))
  48         local root_blocks=$((0x$(dd if="$1" bs=2 skip=5 count=4 2>/dev/null) / $CI_BLKSZ))
  49
  50         if [ -n "$partitions" ] && [ -n "$kernelpart" ] && \
  51            [ ${kern_blocks:-0} -gt 0 ] && \
  52            [ ${root_blocks:-0} -gt ${kern_blocks:-0} ] && \
  53            [ ${erase_size:-0} -gt 0 ];
  54         then
  55                 local append=""
  56                 [ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR"
  57
  58                 ( dd if="$1" bs=$CI_BLKSZ skip=1 count=$kern_blocks 2>/dev/null; \
  59                   dd if="$1" bs=$CI_BLKSZ skip=$((1+$kern_blocks)) count=$root_blocks 2>/dev/null ) | \
  60                         mtd -r $append -F$kernelpart:$kern_length:$CI_LDADR,rootfs write - $partitions
  61         fi
  62 }
  63
  64 platform_check_image() {
  65         local board=$(ar71xx_board_name)
  66         local magic="$(get_magic_word "$1")"
  67         local magic_long="$(get_magic_long "$1")"
  68
  69         [ "$ARGC" -gt 1 ] && return 1
  70
  71         case "$board" in
  72         all0258n )
  73                 platform_check_image_all0258n "$1" && return 0
  74                 return 1
  75                 ;;
  76         ap121 | \
  77         ap121-mini | \
  78         ap96 | \
  79         db120 | \
  80         zcn-1523h-2 | \
  81         zcn-1523h-5)
  82                 [ "$magic_long" != "68737173" -a "$magic_long" != "19852003" ] && {
  83                         echo "Invalid image type."
  84                         return 1
  85                 }
  86                 return 0
  87                 ;;
  88         ap81 | \
  89         ap83 | \
  90         dir-600-a1 | \
  91         dir-615-c1 | \
  92         dir-825-b1 | \
  93         mzk-w04nu | \
  94         mzk-w300nh | \
  95         tew-632brp | \
  96         wrt400n | \
  97         bullet-m | \
  98         nanostation-m | \
  99         rocket-m | \
 100         wzr-hp-g300nh | \
 101         wzr-hp-ag300h | \
 102         whr-hp-g300n | \
 103         nbg460n_550n_550nh | \
 104         unifi )
 105                 [ "$magic" != "2705" ] && {
 106                         echo "Invalid image type."
 107                         return 1
 108                 }
 109                 return 0
 110                 ;;
 111         tl-mr3220 | \
 112         tl-mr3420 | \
 113         tl-wa901nd | \
 114         tl-wa901nd-v2 | \
 115         tl-wr703n | \
 116         tl-wr741nd | \
 117         tl-wr741nd-v4 | \
 118         tl-wr841n-v1 | \
 119         tl-wr941nd | \
 120         tl-wr1043nd)
 121                 [ "$magic" != "0100" ] && {
 122                         echo "Invalid image type."
 123                         return 1
 124                 }
 125                 return 0
 126                 ;;
 127         wndr3700)
 128                 [ "$magic_long" != "33373030" ] && {
 129                         echo "Invalid image type."
 130                         return 1
 131                 }
 132                 return 0
 133                 ;;
 134         wndr3700v2)
 135                 [ "$magic_long" != "33373031" ] && {
 136                         echo "Invalid image type."
 137                         return 1
 138                 }
 139                 return 0
 140                 ;;
 141         wrt160nl)
 142                 [ "$magic" != "4e4c" ] && {
 143                         echo "Invalid image type."
 144                         return 1
 145                 }
 146                 return 0
 147                 ;;
 148         routerstation | \
 149         routerstation-pro | \
 150         ls-sr71 | \
 151         pb42 | \
 152         pb44 | \
 153         eap7660d | \
 154         ja76pf )
 155                 [ "$magic" != "4349" ] && {
 156                         echo "Invalid image. Use *-sysupgrade.bin files on this board"
 157                         return 1
 158                 }
 159
 160                 local md5_img=$(dd if="$1" bs=2 skip=9 count=16 2>/dev/null)
 161                 local md5_chk=$(dd if="$1" bs=$CI_BLKSZ skip=1 2>/dev/null | md5sum -); md5_chk="${md5_chk%% *}"
 162
 163                 if [ -n "$md5_img" -a -n "$md5_chk" ] && [ "$md5_img" = "$md5_chk" ]; then
 164                         return 0
 165                 else
 166                         echo "Invalid image. Contents do not match checksum (image:$md5_img calculated:$md5_chk)"
 167                         return 1
 168                 fi
 169                 return 0
 170                 ;;
 171         esac
 172
 173         echo "Sysupgrade is not yet supported on $board."
 174         return 1
 175 }
 176
 177 platform_do_upgrade() {
 178         local board=$(ar71xx_board_name)
 179
 180         case "$board" in
 181         routerstation | \
 182         routerstation-pro | \
 183         ls-sr71 | \
 184         eap7660d | \
 185         ja76pf)
 186                 platform_do_upgrade_combined "$ARGV"
 187                 ;;
 188         all0258n )
 189                 platform_do_upgrade_all0258n "$ARGV"
 190                 ;;
 191         *)
 192                 default_do_upgrade "$ARGV"
 193                 ;;
 194         esac
 195 }
 196
 197 disable_watchdog() {
 198         killall watchdog
 199         ( ps | grep -v 'grep' | grep '/dev/watchdog' ) && {
 200                 echo 'Could not disable watchdog'
 201                 return 1
 202         }
 203 }
 204
 205 append sysupgrade_pre_upgrade disable_watchdog