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 - $partitions
  61         fi
  62 }
  63
  64 tplink_get_image_hwid() {
  65         get_image "$@" | dd bs=4 count=1 skip=16 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
  66 }
  67
  68 platform_check_image() {
  69         local board=$(ar71xx_board_name)
  70         local magic="$(get_magic_word "$1")"
  71         local magic_long="$(get_magic_long "$1")"
  72
  73         [ "$ARGC" -gt 1 ] && return 1
  74
  75         case "$board" in
  76         all0258n )
  77                 platform_check_image_all0258n "$1" && return 0
  78                 return 1
  79                 ;;
  80         ap121 | \
  81         ap121-mini | \
  82         ap96 | \
  83         db120 | \
  84         hornet-ub | \
  85         zcn-1523h-2 | \
  86         zcn-1523h-5)
  87                 [ "$magic_long" != "68737173" -a "$magic_long" != "19852003" ] && {
  88                         echo "Invalid image type."
  89                         return 1
  90                 }
  91                 return 0
  92                 ;;
  93         ap81 | \
  94         ap83 | \
  95         dir-600-a1 | \
  96         dir-615-c1 | \
  97         dir-825-b1 | \
  98         mzk-w04nu | \
  99         mzk-w300nh | \
 100         tew-632brp | \
 101         wrt400n | \
 102         bullet-m | \
 103         nanostation-m | \
 104         rocket-m | \
 105         wzr-hp-g300nh | \
 106         wzr-hp-g450h | \
 107         wzr-hp-ag300h | \
 108         whr-g301n | \
 109         whr-hp-g300n | \
 110         whr-hp-gn | \
 111         nbg460n_550n_550nh | \
 112         unifi )
 113                 [ "$magic" != "2705" ] && {
 114                         echo "Invalid image type."
 115                         return 1
 116                 }
 117                 return 0
 118                 ;;
 119         tl-mr3220 | \
 120         tl-mr3420 | \
 121         tl-wa901nd | \
 122         tl-wa901nd-v2 | \
 123         tl-wr703n | \
 124         tl-wr741nd | \
 125         tl-wr741nd-v4 | \
 126         tl-wr841n-v1 | \
 127         tl-wr941nd | \
 128         tl-wr1043nd)
 129                 [ "$magic" != "0100" ] && {
 130                         echo "Invalid image type."
 131                         return 1
 132                 }
 133
 134                 local hwid
 135                 local imageid
 136
 137                 hwid=$(tplink_get_hwid)
 138                 imageid=$(tplink_get_image_hwid "$1")
 139
 140                 [ "$hwid" != "$imageid" ] && {
 141                         echo "Invalid image, hardware ID mismatch, hw:$hwid image:$imageid."
 142                         return 1
 143                 }
 144
 145                 return 0
 146                 ;;
 147         wndr3700)
 148                 local hw_magic
 149
 150                 hw_magic="$(ar71xx_get_mtd_part_magic firmware)"
 151                 [ "$magic_long" != "$hw_magic" ] && {
 152                         echo "Invalid image, hardware ID mismatch, hw:$hw_magic image:$magic_long."
 153                         return 1
 154                 }
 155                 return 0
 156                 ;;
 157         wrt160nl)
 158                 [ "$magic" != "4e4c" ] && {
 159                         echo "Invalid image type."
 160                         return 1
 161                 }
 162                 return 0
 163                 ;;
 164         routerstation | \
 165         routerstation-pro | \
 166         ls-sr71 | \
 167         pb42 | \
 168         pb44 | \
 169         eap7660d | \
 170         ja76pf )
 171                 [ "$magic" != "4349" ] && {
 172                         echo "Invalid image. Use *-sysupgrade.bin files on this board"
 173                         return 1
 174                 }
 175
 176                 local md5_img=$(dd if="$1" bs=2 skip=9 count=16 2>/dev/null)
 177                 local md5_chk=$(dd if="$1" bs=$CI_BLKSZ skip=1 2>/dev/null | md5sum -); md5_chk="${md5_chk%% *}"
 178
 179                 if [ -n "$md5_img" -a -n "$md5_chk" ] && [ "$md5_img" = "$md5_chk" ]; then
 180                         return 0
 181                 else
 182                         echo "Invalid image. Contents do not match checksum (image:$md5_img calculated:$md5_chk)"
 183                         return 1
 184                 fi
 185                 return 0
 186                 ;;
 187         esac
 188
 189         echo "Sysupgrade is not yet supported on $board."
 190         return 1
 191 }
 192
 193 platform_do_upgrade() {
 194         local board=$(ar71xx_board_name)
 195
 196         case "$board" in
 197         routerstation | \
 198         routerstation-pro | \
 199         ls-sr71 | \
 200         eap7660d | \
 201         ja76pf)
 202                 platform_do_upgrade_combined "$ARGV"
 203                 ;;
 204         all0258n )
 205                 platform_do_upgrade_all0258n "$ARGV"
 206                 ;;
 207         *)
 208                 default_do_upgrade "$ARGV"
 209                 ;;
 210         esac
 211 }
 212
 213 disable_watchdog() {
 214         killall watchdog
 215         ( ps | grep -v 'grep' | grep '/dev/watchdog' ) && {
 216                 echo 'Could not disable watchdog'
 217                 return 1
 218         }
 219 }
 220
 221 append sysupgrade_pre_upgrade disable_watchdog