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-c25-v1|\
 210         archer-c59-v1|\
 211         archer-c60-v1|\
 212         bullet-m|\
 213         c-55|\
 214         carambola2|\
 215         cf-e316n-v2|\
 216         cf-e320n-v2|\
 217         cf-e380ac-v1|\
 218         cf-e380ac-v2|\
 219         cf-e520n|\
 220         cf-e530n|\
 221         cpe505n|\
 222         cpe830|\
 223         cpe870|\
 224         dgl-5500-a1|\
 225         dhp-1565-a1|\
 226         dir-505-a1|\
 227         dir-600-a1|\
 228         dir-615-c1|\
 229         dir-615-e1|\
 230         dir-615-e4|\
 231         dir-615-i1|\
 232         dir-825-c1|\
 233         dir-835-a1|\
 234         dlan-hotspot|\
 235         dlan-pro-1200-ac|\
 236         dlan-pro-500-wp|\
 237         dr531|\
 238         dragino2|\
 239         ebr-2310-c1|\
 240         ens202ext|\
 241         epg5000|\
 242         esr1750|\
 243         esr900|\
 244         ew-dorin-router|\
 245         ew-dorin|\
 246         gl-ar150|\
 247         gl-ar300m|\
 248         gl-ar300|\
 249         gl-domino|\
 250         gl-mifi|\
 251         hiwifi-hc6361|\
 252         hornet-ub-x2|\
 253         jwap230|\
 254         lima|\
 255         loco-m-xw|\
 256         mzk-w04nu|\
 257         mzk-w300nh|\
 258         nanostation-m-xw|\
 259         nanostation-m|\
 260         nbg460n_550n_550nh|\
 261         pqi-air-pen|\
 262         r602n|\
 263         rocket-m-ti|\
 264         rocket-m-xw|\
 265         rocket-m|\
 266         rw2458n|\
 267         sc1750|\
 268         sc300m|\
 269         sc450|\
 270         sr3200|\
 271         tew-632brp|\
 272         tew-712br|\
 273         tew-732br|\
 274         tew-823dru|\
 275         tl-wr942n-v1|\
 276         unifi-outdoor|\
 277         unifiac-lite|\
 278         unifiac-pro|\
 279         unifi|\
 280         weio|\
 281         whr-g301n|\
 282         whr-hp-g300n|\
 283         whr-hp-gn|\
 284         wlae-ag300n|\
 285         wndap360|\
 286         wpj342|\
 287         wpj344|\
 288         wpj531|\
 289         wpj563|\
 290         wrt400n|\
 291         wrtnode2q|\
 292         wzr-450hp2|\
 293         wzr-hp-ag300h|\
 294         wzr-hp-g300nh2|\
 295         wzr-hp-g300nh|\
 296         wzr-hp-g450h|\
 297         xd3200)
 298                 [ "$magic" != "2705" ] && {
 299                         echo "Invalid image type."
 300                         return 1
 301                 }
 302
 303                 return 0
 304                 ;;
 305         alfa-ap96|\
 306         alfa-nx|\
 307         ap121-mini|\
 308         ap121|\
 309         ap135-020|\
 310         ap136-010|\
 311         ap136-020|\
 312         ap147-010|\
 313         ap152|\
 314         ap96|\
 315         arduino-yun|\
 316         bhr-4grv2|\
 317         bxu2000n-2-a1|\
 318         db120|\
 319         dr344|\
 320         dw33d|\
 321         f9k1115v2|\
 322         hornet-ub|\
 323         mr12|\
 324         mr16|\
 325         wpj558|\
 326         zbt-we1526|\
 327         zcn-1523h-2|\
 328         zcn-1523h-5)
 329                 [ "$magic_long" != "68737173" -a "$magic_long" != "19852003" ] && {
 330                         echo "Invalid image type."
 331                         return 1
 332                 }
 333
 334                 return 0
 335                 ;;
 336         all0258n|\
 337         all0315n|\
 338         cap324|\
 339         cap4200ag|\
 340         cr3000|\
 341         cr5000)
 342                 platform_check_image_allnet "$1" && return 0
 343                 return 1
 344                 ;;
 345         all0305|\
 346         eap300v2|\
 347         eap7660d|\
 348         ja76pf2|\
 349         ja76pf|\
 350         jwap003|\
 351         ls-sr71|\
 352         pb42|\
 353         pb44|\
 354         routerstation-pro|\
 355         routerstation|\
 356         wp543|\
 357         wpe72)
 358                 [ "$magic" != "4349" ] && {
 359                         echo "Invalid image. Use *-sysupgrade.bin files on this board"
 360                         return 1
 361                 }
 362
 363                 local md5_img=$(dd if="$1" bs=2 skip=9 count=16 2>/dev/null)
 364                 local md5_chk=$(dd if="$1" bs=$CI_BLKSZ skip=1 2>/dev/null | md5sum -); md5_chk="${md5_chk%% *}"
 365
 366                 if [ -n "$md5_img" -a -n "$md5_chk" ] && [ "$md5_img" = "$md5_chk" ]; then
 367                         return 0
 368                 else
 369                         echo "Invalid image. Contents do not match checksum (image:$md5_img calculated:$md5_chk)"
 370                         return 1
 371                 fi
 372
 373                 return 0
 374                 ;;
 375         antminer-s1|\
 376         antminer-s3|\
 377         antrouter-r1|\
 378         archer-c5|\
 379         archer-c7|\
 380         el-m150|\
 381         el-mini|\
 382         gl-inet|\
 383         mc-mac1200r|\
 384         minibox-v1|\
 385         omy-g1|\
 386         omy-x1|\
 387         onion-omega|\
 388         oolite|\
 389         re450|\
 390         smart-300|\
 391         som9331|\
 392         tellstick-znet-lite|\
 393         tl-mr10u|\
 394         tl-mr11u|\
 395         tl-mr12u|\
 396         tl-mr13u|\
 397         tl-mr3020|\
 398         tl-mr3040-v2|\
 399         tl-mr3040|\
 400         tl-mr3220-v2|\
 401         tl-mr3220|\
 402         tl-mr3420-v2|\
 403         tl-mr3420|\
 404         tl-mr6400|\
 405         tl-wa701nd-v2|\
 406         tl-wa7210n-v2|\
 407         tl-wa750re|\
 408         tl-wa7510n|\
 409         tl-wa801nd-v2|\
 410         tl-wa801nd-v3|\
 411         tl-wa830re-v2|\
 412         tl-wa850re|\
 413         tl-wa850re-v2|\
 414         tl-wa860re|\
 415         tl-wa901nd-v2|\
 416         tl-wa901nd-v3|\
 417         tl-wa901nd-v4|\
 418         tl-wa901nd|\
 419         tl-wdr3320-v2|\
 420         tl-wdr3500|\
 421         tl-wdr4300|\
 422         tl-wdr4900-v2|\
 423         tl-wdr6500-v2|\
 424         tl-wpa8630|\
 425         tl-wr1041n-v2|\
 426         tl-wr1043nd-v2|\
 427         tl-wr1043nd-v4|\
 428         tl-wr1043nd|\
 429         tl-wr2543n|\
 430         tl-wr703n|\
 431         tl-wr710n|\
 432         tl-wr720n-v3|\
 433         tl-wr740n-v6|\
 434         tl-wr741nd-v4|\
 435         tl-wr741nd|\
 436         tl-wr802n-v1|\
 437         tl-wr802n-v2|\
 438         tl-wr810n|\
 439         tl-wr840n-v2|\
 440         tl-wr840n-v3|\
 441         tl-wr841n-v11|\
 442         tl-wr841n-v1|\
 443         tl-wr841n-v7|\
 444         tl-wr841n-v8|\
 445         tl-wr841n-v9|\
 446         tl-wr842n-v2|\
 447         tl-wr842n-v3|\
 448         tl-wr941nd-v5|\
 449         tl-wr941nd-v6|\
 450         tl-wr940n-v4|\
 451         tl-wr941nd)
 452                 local magic_ver="0100"
 453
 454                 case "$board" in
 455                 tl-wdr6500-v2)
 456                         magic_ver="0200"
 457                         ;;
 458                 esac
 459
 460                 [ "$magic" != "$magic_ver" ] && {
 461                         echo "Invalid image type."
 462                         return 1
 463                 }
 464
 465                 local hwid
 466                 local mid
 467                 local imagehwid
 468                 local imagemid
 469
 470                 hwid=$(tplink_get_hwid)
 471                 mid=$(tplink_get_mid)
 472                 imagehwid=$(tplink_get_image_hwid "$1")
 473                 imagemid=$(tplink_get_image_mid "$1")
 474
 475                 [ "$hwid" != "$imagehwid" -o "$mid" != "$imagemid" ] && {
 476                         echo "Invalid image, hardware ID mismatch, hw:$hwid $mid image:$imagehwid $imagemid."
 477                         return 1
 478                 }
 479
 480                 local boot_size
 481
 482                 boot_size=$(tplink_get_image_boot_size "$1")
 483                 [ "$boot_size" != "00000000" ] && {
 484                         echo "Invalid image, it contains a bootloader."
 485                         return 1
 486                 }
 487
 488                 return 0
 489                 ;;
 490         bsb|\
 491         dir-825-b1|\
 492         tew-673gru)
 493                 dir825b_check_image "$1" && return 0
 494                 ;;
 495         rb-411|\
 496         rb-411u|\
 497         rb-433|\
 498         rb-433u|\
 499         rb-435g|\
 500         rb-450|\
 501         rb-450g|\
 502         rb-493|\
 503         rb-493g|\
 504         rb-750|\
 505         rb-750gl|\
 506         rb-751|\
 507         rb-751g|\
 508         rb-911g-2hpnd|\
 509         rb-911g-5hpnd|\
 510         rb-911g-5hpacd|\
 511         rb-912uag-2hpnd|\
 512         rb-912uag-5hpnd|\
 513         rb-951g-2hnd|\
 514         rb-951ui-2hnd|\
 515         rb-2011l|\
 516         rb-2011il|\
 517         rb-2011uas|\
 518         rb-2011uias|\
 519         rb-2011uas-2hnd|\
 520         rb-2011uias-2hnd|\
 521         rb-sxt2n|\
 522         rb-sxt5n)
 523                 nand_do_platform_check routerboard $1
 524                 return $?
 525                 ;;
 526         c-60|\
 527         hiveap-121|\
 528         nbg6716|\
 529         r6100|\
 530         rambutan|\
 531         wndr3700v4|\
 532         wndr4300)
 533                 nand_do_platform_check $board $1
 534                 return $?
 535                 ;;
 536         cpe210|\
 537         cpe510|\
 538         eap120|\
 539         wbs210|\
 540         wbs510)
 541                 tplink_pharos_check_image "$1" && return 0
 542                 return 1
 543                 ;;
 544         a40|\
 545         a60|\
 546         mr1750v2|\
 547         mr1750|\
 548         mr600v2|\
 549         mr600|\
 550         mr900v2|\
 551         mr900|\
 552         om2p-hsv2|\
 553         om2p-hsv3|\
 554         om2p-hsv4|\
 555         om2p-hs|\
 556         om2p-lc|\
 557         om2pv2|\
 558         om2pv4|\
 559         om2p|\
 560         om5p-acv2|\
 561         om5p-ac|\
 562         om5p-an|\
 563         om5p)
 564                 platform_check_image_openmesh "$magic_long" "$1" && return 0
 565                 return 1
 566                 ;;
 567         mr18|\
 568         z1)
 569                 merakinand_do_platform_check $board $1
 570                 return $?
 571                 ;;
 572         dir-869-a1|\
 573         mynet-n600|\
 574         mynet-n750|\
 575         qihoo-c301)
 576                 [ "$magic_long" != "5ea3a417" ] && {
 577                         echo "Invalid image, bad magic: $magic_long"
 578                         return 1
 579                 }
 580
 581                 local typemagic=$(seama_get_type_magic "$1")
 582                 [ "$typemagic" != "6669726d" ] && {
 583                         echo "Invalid image, bad type: $typemagic"
 584                         return 1
 585                 }
 586
 587                 return 0
 588                 ;;
 589         e2100l|\
 590         mynet-rext|\
 591         wrt160nl)
 592                 cybertan_check_image "$1" && return 0
 593                 return 1
 594                 ;;
 595         nbg6616|\
 596         uap-pro|\
 597         unifi-outdoor-plus)
 598                 [ "$magic_long" != "19852003" ] && {
 599                         echo "Invalid image type."
 600                         return 1
 601                 }
 602
 603                 return 0
 604                 ;;
 605         tube2h)
 606                 alfa_check_image "$1" && return 0
 607                 return 1
 608                 ;;
 609         wndr3700|\
 610         wnr1000-v2|\
 611         wnr2000-v3|\
 612         wnr612-v2|\
 613         wpn824n)
 614                 local hw_magic
 615
 616                 hw_magic="$(ar71xx_get_mtd_part_magic firmware)"
 617                 [ "$magic_long" != "$hw_magic" ] && {
 618                         echo "Invalid image, hardware ID mismatch, hw:$hw_magic image:$magic_long."
 619                         return 1
 620                 }
 621
 622                 return 0
 623                 ;;
 624         wnr2000-v4)
 625                 [ "$magic_long" != "32303034" ] && {
 626                         echo "Invalid image type."
 627                         return 1
 628                 }
 629
 630                 return 0
 631                 ;;
 632         wnr2200)
 633                 [ "$magic_long" != "32323030" ] && {
 634                         echo "Invalid image type."
 635                         return 1
 636                 }
 637
 638                 return 0
 639                 ;;
 640         dap-2695-a1)
 641                 local magic=$(wrgg_get_image_magic "$1")
 642                 [ "$magic" != "21030820" ] && {
 643                         echo "Invalid image, bad type: $magic"
 644                         return 1
 645                 }
 646
 647                 return 0;
 648                 ;;
 649         # these boards use metadata images
 650         rb-750-r2|\
 651         rb-750up-r2|\
 652         rb-941-2nd|\
 653         rb-951ui-2nd|\
 654         rb-952ui-5ac2nd|\
 655         rb-962uigs-5hact2hnt|\
 656         rb-lhg-5nd|\
 657         rb-mapl-2nd)
 658                 return 0
 659                 ;;
 660         esac
 661
 662         echo "Sysupgrade is not yet supported on $board."
 663         return 1
 664 }
 665
 666 platform_pre_upgrade() {
 667         local board=$(ar71xx_board_name)
 668
 669         case "$board" in
 670         c-60|\
 671         hiveap-121|\
 672         nbg6716|\
 673         r6100|\
 674         rambutan|\
 675         rb-411|\
 676         rb-411u|\
 677         rb-433|\
 678         rb-433u|\
 679         rb-435g|\
 680         rb-450|\
 681         rb-450g|\
 682         rb-493|\
 683         rb-493g|\
 684         rb-750|\
 685         rb-750gl|\
 686         rb-751|\
 687         rb-751g|\
 688         rb-911g-2hpnd|\
 689         rb-911g-5hpnd|\
 690         rb-911g-5hpacd|\
 691         rb-912uag-2hpnd|\
 692         rb-912uag-5hpnd|\
 693         rb-951g-2hnd|\
 694         rb-951ui-2hnd|\
 695         rb-2011il|\
 696         rb-2011l|\
 697         rb-2011uas|\
 698         rb-2011uias|\
 699         rb-2011uas-2hnd|\
 700         rb-2011uias-2hnd|\
 701         rb-sxt2n|\
 702         rb-sxt5n|\
 703         wndr3700v4|\
 704         wndr4300)
 705                 nand_do_upgrade "$1"
 706                 ;;
 707         rb-750-r2|\
 708         rb-750up-r2|\
 709         rb-941-2nd|\
 710         rb-951ui-2nd|\
 711         rb-952ui-5ac2nd|\
 712         rb-962uigs-5hact2hnt|\
 713         rb-lhg-5nd|\
 714         rb-mapl-2nd)
 715                 # erase firmware if booted from initramfs
 716                 [ -z "$(rootfs_type)" ] && mtd erase firmware
 717                 ;;
 718         mr18|\
 719         z1)
 720                 merakinand_do_upgrade "$1"
 721                 ;;
 722         esac
 723 }
 724
 725 platform_nand_pre_upgrade() {
 726         local board=$(ar71xx_board_name)
 727
 728         case "$board" in
 729         rb*)
 730                 CI_KERNPART=none
 731                 local fw_mtd=$(find_mtd_part kernel)
 732                 fw_mtd="${fw_mtd/block/}"
 733                 [ -n "$fw_mtd" ] || return
 734                 mtd erase kernel
 735                 tar xf "$1" sysupgrade-routerboard/kernel -O | nandwrite -o "$fw_mtd" -
 736                 ;;
 737         esac
 738 }
 739
 740 platform_do_upgrade() {
 741         local board=$(ar71xx_board_name)
 742
 743         case "$board" in
 744         all0258n)
 745                 platform_do_upgrade_allnet "0x9f050000" "$ARGV"
 746                 ;;
 747         all0305|\
 748         eap7660d|\
 749         ja76pf2|\
 750         ja76pf|\
 751         jwap003|\
 752         ls-sr71|\
 753         pb42|\
 754         pb44|\
 755         routerstation-pro|\
 756         routerstation)
 757                 platform_do_upgrade_combined "$ARGV"
 758                 ;;
 759         all0315n)
 760                 platform_do_upgrade_allnet "0x9f080000" "$ARGV"
 761                 ;;
 762         cap4200ag|\
 763         eap300v2|\
 764         ens202ext)
 765                 platform_do_upgrade_allnet "0xbf0a0000" "$ARGV"
 766                 ;;
 767         dir-825-b1|\
 768         tew-673gru)
 769                 platform_do_upgrade_dir825b "$ARGV"
 770                 ;;
 771         a40|\
 772         a60|\
 773         mr1750v2|\
 774         mr1750|\
 775         mr600v2|\
 776         mr600|\
 777         mr900v2|\
 778         mr900|\
 779         om2p-hsv2|\
 780         om2p-hsv3|\
 781         om2p-hsv4|\
 782         om2p-hs|\
 783         om2p-lc|\
 784         om2pv2|\
 785         om2pv4|\
 786         om2p|\
 787         om5p-acv2|\
 788         om5p-ac|\
 789         om5p-an|\
 790         om5p)
 791                 platform_do_upgrade_openmesh "$ARGV"
 792                 ;;
 793         uap-pro|\
 794         unifi-outdoor-plus)
 795                 MTD_CONFIG_ARGS="-s 0x180000"
 796                 default_do_upgrade "$ARGV"
 797                 ;;
 798         wp543|\
 799         wpe72)
 800                 platform_do_upgrade_compex "$ARGV"
 801                 ;;
 802         *)
 803                 default_do_upgrade "$ARGV"
 804                 ;;
 805         esac
 806 }
 807
 808 disable_watchdog() {
 809         killall watchdog
 810         ( ps | grep -v 'grep' | grep '/dev/watchdog' ) && {
 811                 echo 'Could not disable watchdog'
 812                 return 1
 813         }
 814 }
 815
 816 append sysupgrade_pre_upgrade disable_watchdog