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

   1 #
   2 # Copyright (C) 2011 OpenWrt.org
   3 #
   4
   5 . /lib/functions/system.sh
   6 . /lib/ar71xx.sh
   7
   8 PART_NAME=firmware
   9 RAMFS_COPY_DATA=/lib/ar71xx.sh
  10 [ -x /usr/sbin/nandwrite ] && RAMFS_COPY_BIN=/usr/sbin/nandwrite
  11
  12 CI_BLKSZ=65536
  13 CI_LDADR=0x80060000
  14
  15 PLATFORM_DO_UPGRADE_COMBINED_SEPARATE_MTD=0
  16
  17 platform_find_partitions() {
  18         local first dev size erasesize name
  19         while read dev size erasesize name; do
  20                 name=${name#'"'}; name=${name%'"'}
  21                 case "$name" in
  22                         vmlinux.bin.l7|vmlinux|kernel|linux|linux.bin|rootfs|filesystem)
  23                                 if [ -z "$first" ]; then
  24                                         first="$name"
  25                                 else
  26                                         echo "$erasesize:$first:$name"
  27                                         break
  28                                 fi
  29                         ;;
  30                 esac
  31         done < /proc/mtd
  32 }
  33
  34 platform_find_kernelpart() {
  35         local part
  36         for part in "${1%:*}" "${1#*:}"; do
  37                 case "$part" in
  38                         vmlinux.bin.l7|vmlinux|kernel|linux|linux.bin)
  39                                 echo "$part"
  40                                 break
  41                         ;;
  42                 esac
  43         done
  44 }
  45
  46 platform_find_rootfspart() {
  47         local part
  48         for part in "${1%:*}" "${1#*:}"; do
  49                 [ "$part" != "$2" ] && echo "$part" && break
  50         done
  51 }
  52
  53 platform_do_upgrade_combined() {
  54         local partitions=$(platform_find_partitions)
  55         local kernelpart=$(platform_find_kernelpart "${partitions#*:}")
  56         local erase_size=$((0x${partitions%%:*})); partitions="${partitions#*:}"
  57         local kern_length=0x$(dd if="$1" bs=2 skip=1 count=4 2>/dev/null)
  58         local kern_blocks=$(($kern_length / $CI_BLKSZ))
  59         local root_blocks=$((0x$(dd if="$1" bs=2 skip=5 count=4 2>/dev/null) / $CI_BLKSZ))
  60
  61         if [ -n "$partitions" ] && [ -n "$kernelpart" ] && \
  62            [ ${kern_blocks:-0} -gt 0 ] && \
  63            [ ${root_blocks:-0} -gt 0 ] && \
  64            [ ${erase_size:-0} -gt 0 ];
  65         then
  66                 local rootfspart=$(platform_find_rootfspart "$partitions" "$kernelpart")
  67                 local append=""
  68                 [ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR"
  69
  70                 if [ "$PLATFORM_DO_UPGRADE_COMBINED_SEPARATE_MTD" -ne 1 ]; then
  71                     ( dd if="$1" bs=$CI_BLKSZ skip=1 count=$kern_blocks 2>/dev/null; \
  72                       dd if="$1" bs=$CI_BLKSZ skip=$((1+$kern_blocks)) count=$root_blocks 2>/dev/null ) | \
  73                             mtd -r $append -F$kernelpart:$kern_length:$CI_LDADR,rootfs write - $partitions
  74                 elif [ -n "$rootfspart" ]; then
  75                     dd if="$1" bs=$CI_BLKSZ skip=1 count=$kern_blocks 2>/dev/null | \
  76                             mtd write - $kernelpart
  77                     dd if="$1" bs=$CI_BLKSZ skip=$((1+$kern_blocks)) count=$root_blocks 2>/dev/null | \
  78                             mtd -r $append write - $rootfspart
  79                 fi
  80         fi
  81         PLATFORM_DO_UPGRADE_COMBINED_SEPARATE_MTD=0
  82 }
  83
  84 tplink_get_image_hwid() {
  85         get_image "$@" | dd bs=4 count=1 skip=16 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
  86 }
  87
  88 tplink_get_image_mid() {
  89         get_image "$@" | dd bs=4 count=1 skip=17 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
  90 }
  91
  92 tplink_get_image_boot_size() {
  93         get_image "$@" | dd bs=4 count=1 skip=37 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
  94 }
  95
  96 tplink_pharos_check_image() {
  97         local magic_long="$(get_magic_long "$1")"
  98         [ "$magic_long" != "7f454c46" ] && {
  99                 echo "Invalid image magic '$magic_long'"
 100                 return 1
 101         }
 102
 103         local model_string="$(tplink_pharos_get_model_string)"
 104         local line
 105
 106         # Here $1 is given to dd directly instead of get_image as otherwise the skip
 107         # will take almost a second (as dd can't seek then)
 108         #
 109         # This will fail if the image isn't local, but that's fine: as the
 110         # read loop won't be executed at all, it will return true, so the image
 111         # is accepted (loading the first 1.5M of a remote image for this check seems
 112         # a bit extreme)
 113         dd if="$1" bs=1 skip=1511432 count=1024 2>/dev/null | while read line; do
 114                 [ "$line" == "$model_string" ] && break
 115         done || {
 116                 echo "Unsupported image (model not in support-list)"
 117                 return 1
 118         }
 119
 120         return 0
 121 }
 122
 123 seama_get_type_magic() {
 124         get_image "$@" | dd bs=1 count=4 skip=53 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
 125 }
 126
 127 wrgg_get_image_magic() {
 128         get_image "$@" | dd bs=4 count=1 skip=8 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
 129 }
 130
 131 cybertan_get_image_magic() {
 132         get_image "$@" | dd bs=8 count=1 skip=0  2>/dev/null | hexdump -v -n 8 -e '1/1 "%02x"'
 133 }
 134
 135 cybertan_check_image() {
 136         local magic="$(cybertan_get_image_magic "$1")"
 137         local fw_magic="$(cybertan_get_hw_magic)"
 138
 139         [ "$fw_magic" != "$magic" ] && {
 140                 echo "Invalid image, ID mismatch, got:$magic, but need:$fw_magic"
 141                 return 1
 142         }
 143
 144         return 0
 145 }
 146
 147 platform_do_upgrade_compex() {
 148         local fw_file=$1
 149         local fw_part=$PART_NAME
 150         local fw_mtd=$(find_mtd_part $fw_part)
 151         local fw_length=0x$(dd if="$fw_file" bs=2 skip=1 count=4 2>/dev/null)
 152         local fw_blocks=$(($fw_length / 65536))
 153
 154         if [ -n "$fw_mtd" ] &&  [ ${fw_blocks:-0} -gt 0 ]; then
 155                 local append=""
 156                 [ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR"
 157
 158                 sync
 159                 dd if="$fw_file" bs=64k skip=1 count=$fw_blocks 2>/dev/null | \
 160                         mtd $append write - "$fw_part"
 161         fi
 162 }
 163
 164 alfa_check_image() {
 165         local magic_long="$(get_magic_long "$1")"
 166         local fw_part_size=$(mtd_get_part_size firmware)
 167
 168         case "$magic_long" in
 169         "27051956")
 170                 [ "$fw_part_size" != "16318464" ] && {
 171                         echo "Invalid image magic \"$magic_long\" for $fw_part_size bytes"
 172                         return 1
 173                 }
 174                 ;;
 175         "68737173")
 176                 [ "$fw_part_size" != "7929856" ] && {
 177                         echo "Invalid image magic \"$magic_long\" for $fw_part_size bytes"
 178                         return 1
 179                 }
 180                 ;;
 181         esac
 182
 183         return 0
 184 }
 185
 186 platform_nand_board_name() {
 187         local board=$(ar71xx_board_name)
 188
 189         case "$board" in
 190         rb*) echo "routerboard";;
 191         *) echo "$board";;
 192         esac
 193 }
 194
 195 platform_check_image() {
 196         local board=$(ar71xx_board_name)
 197         local magic="$(get_magic_word "$1")"
 198         local magic_long="$(get_magic_long "$1")"
 199
 200         [ "$#" -gt 1 ] && return 1
 201
 202         case "$board" in
 203         airgatewaypro|\
 204         airgateway|\
 205         airrouter|\
 206         ap132|\
 207         ap531b0|\
 208         ap90q|\
 209         archer-c59-v1|\
 210         archer-c60-v1|\
 211         bullet-m|\
 212         c-55|\
 213         carambola2|\
 214         cf-e316n-v2|\
 215         cf-e320n-v2|\
 216         cf-e380ac-v1|\
 217         cf-e380ac-v2|\
 218         cf-e520n|\
 219         cf-e530n|\
 220         cpe505n|\
 221         cpe830|\
 222         cpe870|\
 223         dgl-5500-a1|\
 224         dhp-1565-a1|\
 225         dir-505-a1|\
 226         dir-600-a1|\
 227         dir-615-c1|\
 228         dir-615-e1|\
 229         dir-615-e4|\
 230         dir-615-i1|\
 231         dir-825-c1|\
 232         dir-835-a1|\
 233         dlan-hotspot|\
 234         dlan-pro-1200-ac|\
 235         dlan-pro-500-wp|\
 236         dr531|\
 237         dragino2|\
 238         ebr-2310-c1|\
 239         epg5000|\
 240         esr1750|\
 241         esr900|\
 242         ew-dorin-router|\
 243         ew-dorin|\
 244         gl-ar150|\
 245         gl-ar300m|\
 246         gl-ar300|\
 247         gl-domino|\
 248         gl-mifi|\
 249         hiwifi-hc6361|\
 250         hornet-ub-x2|\
 251         jwap230|\
 252         lima|\
 253         loco-m-xw|\
 254         mzk-w04nu|\
 255         mzk-w300nh|\
 256         nanostation-m-xw|\
 257         nanostation-m|\
 258         nbg460n_550n_550nh|\
 259         pqi-air-pen|\
 260         r602n|\
 261         rocket-m-ti|\
 262         rocket-m-xw|\
 263         rocket-m|\
 264         rw2458n|\
 265         sc1750|\
 266         sc300m|\
 267         sc450|\
 268         sr3200|\
 269         tew-632brp|\
 270         tew-712br|\
 271         tew-732br|\
 272         tew-823dru|\
 273         unifi-outdoor|\
 274         unifiac-lite|\
 275         unifiac-pro|\
 276         unifi|\
 277         weio|\
 278         whr-g301n|\
 279         whr-hp-g300n|\
 280         whr-hp-gn|\
 281         wlae-ag300n|\
 282         wndap360|\
 283         wpj342|\
 284         wpj344|\
 285         wpj531|\
 286         wrt400n|\
 287         wrtnode2q|\
 288         wzr-450hp2|\
 289         wzr-hp-ag300h|\
 290         wzr-hp-g300nh2|\
 291         wzr-hp-g300nh|\
 292         wzr-hp-g450h|\
 293         xd3200)
 294                 [ "$magic" != "2705" ] && {
 295                         echo "Invalid image type."
 296                         return 1
 297                 }
 298
 299                 return 0
 300                 ;;
 301         alfa-ap96|\
 302         alfa-nx|\
 303         ap121-mini|\
 304         ap121|\
 305         ap135-020|\
 306         ap136-010|\
 307         ap136-020|\
 308         ap147-010|\
 309         ap152|\
 310         ap96|\
 311         arduino-yun|\
 312         bhr-4grv2|\
 313         bxu2000n-2-a1|\
 314         db120|\
 315         dr344|\
 316         dw33d|\
 317         f9k1115v2|\
 318         hornet-ub|\
 319         mr12|\
 320         mr16|\
 321         wpj558|\
 322         zbt-we1526|\
 323         zcn-1523h-2|\
 324         zcn-1523h-5)
 325                 [ "$magic_long" != "68737173" -a "$magic_long" != "19852003" ] && {
 326                         echo "Invalid image type."
 327                         return 1
 328                 }
 329
 330                 return 0
 331                 ;;
 332         all0258n|\
 333         all0315n|\
 334         cap324|\
 335         cap4200ag|\
 336         cr3000|\
 337         cr5000)
 338                 platform_check_image_allnet "$1" && return 0
 339                 return 1
 340                 ;;
 341         all0305|\
 342         eap300v2|\
 343         eap7660d|\
 344         ja76pf2|\
 345         ja76pf|\
 346         jwap003|\
 347         ls-sr71|\
 348         pb42|\
 349         pb44|\
 350         routerstation-pro|\
 351         routerstation|\
 352         wp543|\
 353         wpe72)
 354                 [ "$magic" != "4349" ] && {
 355                         echo "Invalid image. Use *-sysupgrade.bin files on this board"
 356                         return 1
 357                 }
 358
 359                 local md5_img=$(dd if="$1" bs=2 skip=9 count=16 2>/dev/null)
 360                 local md5_chk=$(dd if="$1" bs=$CI_BLKSZ skip=1 2>/dev/null | md5sum -); md5_chk="${md5_chk%% *}"
 361
 362                 if [ -n "$md5_img" -a -n "$md5_chk" ] && [ "$md5_img" = "$md5_chk" ]; then
 363                         return 0
 364                 else
 365                         echo "Invalid image. Contents do not match checksum (image:$md5_img calculated:$md5_chk)"
 366                         return 1
 367                 fi
 368
 369                 return 0
 370                 ;;
 371         antminer-s1|\
 372         antminer-s3|\
 373         antrouter-r1|\
 374         archer-c5|\
 375         archer-c7|\
 376         el-m150|\
 377         el-mini|\
 378         gl-inet|\
 379         mc-mac1200r|\
 380         minibox-v1|\
 381         omy-g1|\
 382         omy-x1|\
 383         onion-omega|\
 384         oolite|\
 385         re450|\
 386         smart-300|\
 387         som9331|\
 388         tellstick-znet-lite|\
 389         tl-mr10u|\
 390         tl-mr11u|\
 391         tl-mr12u|\
 392         tl-mr13u|\
 393         tl-mr3020|\
 394         tl-mr3040-v2|\
 395         tl-mr3040|\
 396         tl-mr3220-v2|\
 397         tl-mr3220|\
 398         tl-mr3420-v2|\
 399         tl-mr3420|\
 400         tl-wa701nd-v2|\
 401         tl-wa7210n-v2|\
 402         tl-wa750re|\
 403         tl-wa7510n|\
 404         tl-wa801nd-v2|\
 405         tl-wa801nd-v3|\
 406         tl-wa830re-v2|\
 407         tl-wa850re|\
 408         tl-wa850re-v2|\
 409         tl-wa860re|\
 410         tl-wa901nd-v2|\
 411         tl-wa901nd-v3|\
 412         tl-wa901nd-v4|\
 413         tl-wa901nd|\
 414         tl-wdr3320-v2|\
 415         tl-wdr3500|\
 416         tl-wdr4300|\
 417         tl-wdr4900-v2|\
 418         tl-wdr6500-v2|\
 419         tl-wpa8630|\
 420         tl-wr1041n-v2|\
 421         tl-wr1043nd-v2|\
 422         tl-wr1043nd-v4|\
 423         tl-wr1043nd|\
 424         tl-wr2543n|\
 425         tl-wr703n|\
 426         tl-wr710n|\
 427         tl-wr720n-v3|\
 428         tl-wr741nd-v4|\
 429         tl-wr741nd|\
 430         tl-wr802n-v1|\
 431         tl-wr802n-v2|\
 432         tl-wr810n|\
 433         tl-wr840n-v2|\
 434         tl-wr840n-v3|\
 435         tl-wr841n-v11|\
 436         tl-wr841n-v1|\
 437         tl-wr841n-v7|\
 438         tl-wr841n-v8|\
 439         tl-wr841n-v9|\
 440         tl-wr842n-v2|\
 441         tl-wr842n-v3|\
 442         tl-wr941nd-v5|\
 443         tl-wr941nd-v6|\
 444         tl-wr940n-v4|\
 445         tl-wr941nd)
 446                 local magic_ver="0100"
 447
 448                 case "$board" in
 449                 tl-wdr6500-v2)
 450                         magic_ver="0200"
 451                         ;;
 452                 esac
 453
 454                 [ "$magic" != "$magic_ver" ] && {
 455                         echo "Invalid image type."
 456                         return 1
 457                 }
 458
 459                 local hwid
 460                 local mid
 461                 local imagehwid
 462                 local imagemid
 463
 464                 hwid=$(tplink_get_hwid)
 465                 mid=$(tplink_get_mid)
 466                 imagehwid=$(tplink_get_image_hwid "$1")
 467                 imagemid=$(tplink_get_image_mid "$1")
 468
 469                 [ "$hwid" != "$imagehwid" -o "$mid" != "$imagemid" ] && {
 470                         echo "Invalid image, hardware ID mismatch, hw:$hwid $mid image:$imagehwid $imagemid."
 471                         return 1
 472                 }
 473
 474                 local boot_size
 475
 476                 boot_size=$(tplink_get_image_boot_size "$1")
 477                 [ "$boot_size" != "00000000" ] && {
 478                         echo "Invalid image, it contains a bootloader."
 479                         return 1
 480                 }
 481
 482                 return 0
 483                 ;;
 484         bsb|\
 485         dir-825-b1|\
 486         tew-673gru)
 487                 dir825b_check_image "$1" && return 0
 488                 ;;
 489         rb-411|\
 490         rb-411u|\
 491         rb-433|\
 492         rb-433u|\
 493         rb-435g|\
 494         rb-450|\
 495         rb-450g|\
 496         rb-493|\
 497         rb-493g|\
 498         rb-750|\
 499         rb-750gl|\
 500         rb-751|\
 501         rb-751g|\
 502         rb-911g-2hpnd|\
 503         rb-911g-5hpnd|\
 504         rb-911g-5hpacd|\
 505         rb-912uag-2hpnd|\
 506         rb-912uag-5hpnd|\
 507         rb-951g-2hnd|\
 508         rb-951ui-2hnd|\
 509         rb-2011l|\
 510         rb-2011uas|\
 511         rb-2011uias|\
 512         rb-2011uas-2hnd|\
 513         rb-2011uias-2hnd|\
 514         rb-sxt2n|\
 515         rb-sxt5n)
 516                 nand_do_platform_check routerboard $1
 517                 return $?
 518                 ;;
 519         c-60|\
 520         nbg6716|\
 521         r6100|\
 522         wndr3700v4|\
 523         wndr4300)
 524                 nand_do_platform_check $board $1
 525                 return $?
 526                 ;;
 527         cpe210|\
 528         cpe510|\
 529         eap120|\
 530         wbs210|\
 531         wbs510)
 532                 tplink_pharos_check_image "$1" && return 0
 533                 return 1
 534                 ;;
 535         a40|\
 536         a60|\
 537         mr1750v2|\
 538         mr1750|\
 539         mr600v2|\
 540         mr600|\
 541         mr900v2|\
 542         mr900|\
 543         om2p-hsv2|\
 544         om2p-hsv3|\
 545         om2p-hsv4|\
 546         om2p-hs|\
 547         om2p-lc|\
 548         om2pv2|\
 549         om2pv4|\
 550         om2p|\
 551         om5p-acv2|\
 552         om5p-ac|\
 553         om5p-an|\
 554         om5p)
 555                 platform_check_image_openmesh "$magic_long" "$1" && return 0
 556                 return 1
 557                 ;;
 558         mr18|\
 559         z1)
 560                 merakinand_do_platform_check $board $1
 561                 return $?
 562                 ;;
 563         dir-869-a1|\
 564         mynet-n600|\
 565         mynet-n750|\
 566         qihoo-c301)
 567                 [ "$magic_long" != "5ea3a417" ] && {
 568                         echo "Invalid image, bad magic: $magic_long"
 569                         return 1
 570                 }
 571
 572                 local typemagic=$(seama_get_type_magic "$1")
 573                 [ "$typemagic" != "6669726d" ] && {
 574                         echo "Invalid image, bad type: $typemagic"
 575                         return 1
 576                 }
 577
 578                 return 0
 579                 ;;
 580         e2100l|\
 581         mynet-rext|\
 582         wrt160nl)
 583                 cybertan_check_image "$1" && return 0
 584                 return 1
 585                 ;;
 586         nbg6616|\
 587         uap-pro|\
 588         unifi-outdoor-plus)
 589                 [ "$magic_long" != "19852003" ] && {
 590                         echo "Invalid image type."
 591                         return 1
 592                 }
 593
 594                 return 0
 595                 ;;
 596         tube2h)
 597                 alfa_check_image "$1" && return 0
 598                 return 1
 599                 ;;
 600         wndr3700|\
 601         wnr1000-v2|\
 602         wnr2000-v3|\
 603         wnr612-v2|\
 604         wpn824n)
 605                 local hw_magic
 606
 607                 hw_magic="$(ar71xx_get_mtd_part_magic firmware)"
 608                 [ "$magic_long" != "$hw_magic" ] && {
 609                         echo "Invalid image, hardware ID mismatch, hw:$hw_magic image:$magic_long."
 610                         return 1
 611                 }
 612
 613                 return 0
 614                 ;;
 615         wnr2000-v4)
 616                 [ "$magic_long" != "32303034" ] && {
 617                         echo "Invalid image type."
 618                         return 1
 619                 }
 620
 621                 return 0
 622                 ;;
 623         wnr2200)
 624                 [ "$magic_long" != "32323030" ] && {
 625                         echo "Invalid image type."
 626                         return 1
 627                 }
 628
 629                 return 0
 630                 ;;
 631         dap-2695-a1)
 632                 local magic=$(wrgg_get_image_magic "$1")
 633                 [ "$magic" != "21030820" ] && {
 634                         echo "Invalid image, bad type: $magic"
 635                         return 1
 636                 }
 637
 638                 return 0;
 639                 ;;
 640         # these boards use metadata images
 641         rb-750-r2|\
 642         rb-750up-r2|\
 643         rb-941-2nd|\
 644         rb-951ui-2nd|\
 645         rb-952ui-5ac2nd|\
 646         rb-962uigs-5hact2hnt|\
 647         rb-lhg-5nd|\
 648         rb-mapl-2nd)
 649                 return 0
 650                 ;;
 651         esac
 652
 653         echo "Sysupgrade is not yet supported on $board."
 654         return 1
 655 }
 656
 657 platform_pre_upgrade() {
 658         local board=$(ar71xx_board_name)
 659
 660         case "$board" in
 661         c-60|\
 662         nbg6716|\
 663         r6100|\
 664         rb-411|\
 665         rb-411u|\
 666         rb-433|\
 667         rb-433u|\
 668         rb-435g|\
 669         rb-450|\
 670         rb-450g|\
 671         rb-493|\
 672         rb-493g|\
 673         rb-750|\
 674         rb-750gl|\
 675         rb-751|\
 676         rb-751g|\
 677         rb-911g-2hpnd|\
 678         rb-911g-5hpnd|\
 679         rb-911g-5hpacd|\
 680         rb-912uag-2hpnd|\
 681         rb-912uag-5hpnd|\
 682         rb-951g-2hnd|\
 683         rb-951ui-2hnd|\
 684         rb-2011l|\
 685         rb-2011uas|\
 686         rb-2011uias|\
 687         rb-2011uas-2hnd|\
 688         rb-2011uias-2hnd|\
 689         rb-sxt2n|\
 690         rb-sxt5n|\
 691         wndr3700v4|\
 692         wndr4300)
 693                 nand_do_upgrade "$1"
 694                 ;;
 695         rb-750-r2|\
 696         rb-750up-r2|\
 697         rb-941-2nd|\
 698         rb-951ui-2nd|\
 699         rb-952ui-5ac2nd|\
 700         rb-962uigs-5hact2hnt|\
 701         rb-lhg-5nd|\
 702         rb-mapl-2nd)
 703                 # erase firmware if booted from initramfs
 704                 [ -z "$(rootfs_type)" ] && mtd erase firmware
 705                 ;;
 706         mr18|\
 707         z1)
 708                 merakinand_do_upgrade "$1"
 709                 ;;
 710         esac
 711 }
 712
 713 platform_nand_pre_upgrade() {
 714         local board=$(ar71xx_board_name)
 715
 716         case "$board" in
 717         rb*)
 718                 CI_KERNPART=none
 719                 local fw_mtd=$(find_mtd_part kernel)
 720                 fw_mtd="${fw_mtd/block/}"
 721                 [ -n "$fw_mtd" ] || return
 722                 mtd erase kernel
 723                 tar xf "$1" sysupgrade-routerboard/kernel -O | nandwrite -o "$fw_mtd" -
 724                 ;;
 725         esac
 726 }
 727
 728 platform_do_upgrade() {
 729         local board=$(ar71xx_board_name)
 730
 731         case "$board" in
 732         all0258n)
 733                 platform_do_upgrade_allnet "0x9f050000" "$ARGV"
 734                 ;;
 735         all0305|\
 736         eap7660d|\
 737         ja76pf2|\
 738         ja76pf|\
 739         jwap003|\
 740         ls-sr71|\
 741         pb42|\
 742         pb44|\
 743         routerstation-pro|\
 744         routerstation)
 745                 platform_do_upgrade_combined "$ARGV"
 746                 ;;
 747         all0315n)
 748                 platform_do_upgrade_allnet "0x9f080000" "$ARGV"
 749                 ;;
 750         cap4200ag|\
 751         eap300v2)
 752                 platform_do_upgrade_allnet "0xbf0a0000" "$ARGV"
 753                 ;;
 754         dir-825-b1|\
 755         tew-673gru)
 756                 platform_do_upgrade_dir825b "$ARGV"
 757                 ;;
 758         a40|\
 759         a60|\
 760         mr1750v2|\
 761         mr1750|\
 762         mr600v2|\
 763         mr600|\
 764         mr900v2|\
 765         mr900|\
 766         om2p-hsv2|\
 767         om2p-hsv3|\
 768         om2p-hsv4|\
 769         om2p-hs|\
 770         om2p-lc|\
 771         om2pv2|\
 772         om2pv4|\
 773         om2p|\
 774         om5p-acv2|\
 775         om5p-ac|\
 776         om5p-an|\
 777         om5p)
 778                 platform_do_upgrade_openmesh "$ARGV"
 779                 ;;
 780         uap-pro|\
 781         unifi-outdoor-plus)
 782                 MTD_CONFIG_ARGS="-s 0x180000"
 783                 default_do_upgrade "$ARGV"
 784                 ;;
 785         wp543|\
 786         wpe72)
 787                 platform_do_upgrade_compex "$ARGV"
 788                 ;;
 789         *)
 790                 default_do_upgrade "$ARGV"
 791                 ;;
 792         esac
 793 }
 794
 795 disable_watchdog() {
 796         killall watchdog
 797         ( ps | grep -v 'grep' | grep '/dev/watchdog' ) && {
 798                 echo 'Could not disable watchdog'
 799                 return 1
 800         }
 801 }
 802
 803 append sysupgrade_pre_upgrade disable_watchdog