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 RAMFS_COPY_BIN='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 $fw_part_size bytes"
 178                         return 1
 179                 }
 180                 ;;
 181         esac
 182
 183         return 0
 184 }
 185
 186 platform_nand_board_name() {
 187         local board=$(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=$(board_name)
 197         local magic="$(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         ap121f|\
 207         ap132|\
 208         ap531b0|\
 209         ap90q|\
 210         archer-c25-v1|\
 211         archer-c58-v1|\
 212         archer-c59-v1|\
 213         archer-c60-v1|\
 214         archer-c7-v4|\
 215         bullet-m|\
 216         c-55|\
 217         carambola2|\
 218         cf-e316n-v2|\
 219         cf-e320n-v2|\
 220         cf-e355ac|\
 221         cf-e380ac-v1|\
 222         cf-e380ac-v2|\
 223         cf-e520n|\
 224         cf-e530n|\
 225         cpe505n|\
 226         cpe830|\
 227         cpe870|\
 228         dgl-5500-a1|\
 229         dhp-1565-a1|\
 230         dir-505-a1|\
 231         dir-600-a1|\
 232         dir-615-c1|\
 233         dir-615-e1|\
 234         dir-615-e4|\
 235         dir-615-i1|\
 236         dir-825-c1|\
 237         dir-835-a1|\
 238         dlan-hotspot|\
 239         dlan-pro-1200-ac|\
 240         dlan-pro-500-wp|\
 241         dr531|\
 242         dragino2|\
 243         ebr-2310-c1|\
 244         ens202ext|\
 245         epg5000|\
 246         esr1750|\
 247         esr900|\
 248         ew-dorin-router|\
 249         ew-dorin|\
 250         gl-ar150|\
 251         gl-ar300m|\
 252         gl-ar300|\
 253         gl-domino|\
 254         gl-mifi|\
 255         gl-usb150|\
 256         hiwifi-hc6361|\
 257         hornet-ub-x2|\
 258         jwap230|\
 259         lima|\
 260         loco-m-xw|\
 261         mzk-w04nu|\
 262         mzk-w300nh|\
 263         nanostation-m-xw|\
 264         nanostation-m|\
 265         nbg460n_550n_550nh|\
 266         pqi-air-pen|\
 267         r602n|\
 268         rocket-m-ti|\
 269         rocket-m-xw|\
 270         rocket-m|\
 271         rw2458n|\
 272         sc1750|\
 273         sc300m|\
 274         sc450|\
 275         sr3200|\
 276         tew-632brp|\
 277         tew-712br|\
 278         tew-732br|\
 279         tew-823dru|\
 280         tl-wr942n-v1|\
 281         unifi-outdoor|\
 282         unifiac-lite|\
 283         unifiac-pro|\
 284         unifi|\
 285         weio|\
 286         whr-g301n|\
 287         whr-hp-g300n|\
 288         whr-hp-gn|\
 289         wlae-ag300n|\
 290         wndap360|\
 291         wpj342|\
 292         wpj344|\
 293         wpj531|\
 294         wpj558|\
 295         wpj563|\
 296         wrt400n|\
 297         wrtnode2q|\
 298         wzr-450hp2|\
 299         wzr-hp-ag300h|\
 300         wzr-hp-g300nh2|\
 301         wzr-hp-g300nh|\
 302         wzr-hp-g450h|\
 303         xd3200)
 304                 [ "$magic" != "2705" ] && {
 305                         echo "Invalid image type."
 306                         return 1
 307                 }
 308
 309                 return 0
 310                 ;;
 311         alfa-ap96|\
 312         alfa-nx|\
 313         ap121-mini|\
 314         ap121|\
 315         ap135-020|\
 316         ap136-010|\
 317         ap136-020|\
 318         ap147-010|\
 319         ap152|\
 320         ap96|\
 321         arduino-yun|\
 322         bhr-4grv2|\
 323         bxu2000n-2-a1|\
 324         db120|\
 325         dr344|\
 326         dw33d|\
 327         f9k1115v2|\
 328         hornet-ub|\
 329         mr12|\
 330         mr16|\
 331         zbt-we1526|\
 332         zcn-1523h-2|\
 333         zcn-1523h-5)
 334                 [ "$magic_long" != "68737173" -a "$magic_long" != "19852003" ] && {
 335                         echo "Invalid image type."
 336                         return 1
 337                 }
 338
 339                 return 0
 340                 ;;
 341         all0258n|\
 342         all0315n|\
 343         cap324|\
 344         cap4200ag|\
 345         cr3000|\
 346         cr5000)
 347                 platform_check_image_allnet "$1" && return 0
 348                 return 1
 349                 ;;
 350         all0305|\
 351         eap300v2|\
 352         eap7660d|\
 353         ja76pf2|\
 354         ja76pf|\
 355         jwap003|\
 356         ls-sr71|\
 357         pb42|\
 358         pb44|\
 359         routerstation-pro|\
 360         routerstation|\
 361         wp543|\
 362         wpe72)
 363                 [ "$magic" != "4349" ] && {
 364                         echo "Invalid image. Use *-sysupgrade.bin files on this board"
 365                         return 1
 366                 }
 367
 368                 local md5_img=$(dd if="$1" bs=2 skip=9 count=16 2>/dev/null)
 369                 local md5_chk=$(dd if="$1" bs=$CI_BLKSZ skip=1 2>/dev/null | md5sum -); md5_chk="${md5_chk%% *}"
 370
 371                 if [ -n "$md5_img" -a -n "$md5_chk" ] && [ "$md5_img" = "$md5_chk" ]; then
 372                         return 0
 373                 else
 374                         echo "Invalid image. Contents do not match checksum (image:$md5_img calculated:$md5_chk)"
 375                         return 1
 376                 fi
 377
 378                 return 0
 379                 ;;
 380         antminer-s1|\
 381         antminer-s3|\
 382         antrouter-r1|\
 383         archer-c5|\
 384         archer-c7|\
 385         el-m150|\
 386         el-mini|\
 387         gl-inet|\
 388         mc-mac1200r|\
 389         minibox-v1|\
 390         omy-g1|\
 391         omy-x1|\
 392         onion-omega|\
 393         oolite|\
 394         re450|\
 395         smart-300|\
 396         som9331|\
 397         tellstick-znet-lite|\
 398         tl-mr10u|\
 399         tl-mr11u|\
 400         tl-mr12u|\
 401         tl-mr13u|\
 402         tl-mr3020|\
 403         tl-mr3040-v2|\
 404         tl-mr3040|\
 405         tl-mr3220-v2|\
 406         tl-mr3220|\
 407         tl-mr3420-v2|\
 408         tl-mr3420|\
 409         tl-mr6400|\
 410         tl-wa701nd-v2|\
 411         tl-wa7210n-v2|\
 412         tl-wa750re|\
 413         tl-wa7510n|\
 414         tl-wa801nd-v2|\
 415         tl-wa801nd-v3|\
 416         tl-wa830re-v2|\
 417         tl-wa850re|\
 418         tl-wa850re-v2|\
 419         tl-wa855re-v1|\
 420         tl-wa860re|\
 421         tl-wa901nd-v2|\
 422         tl-wa901nd-v3|\
 423         tl-wa901nd-v4|\
 424         tl-wa901nd|\
 425         tl-wdr3320-v2|\
 426         tl-wdr3500|\
 427         tl-wdr4300|\
 428         tl-wdr4900-v2|\
 429         tl-wdr6500-v2|\
 430         tl-wpa8630|\
 431         tl-wr1041n-v2|\
 432         tl-wr1043nd-v2|\
 433         tl-wr1043nd-v4|\
 434         tl-wr1043nd|\
 435         tl-wr2543n|\
 436         tl-wr703n|\
 437         tl-wr710n|\
 438         tl-wr720n-v3|\
 439         tl-wr740n-v6|\
 440         tl-wr741nd-v4|\
 441         tl-wr741nd|\
 442         tl-wr802n-v1|\
 443         tl-wr802n-v2|\
 444         tl-wr810n|\
 445         tl-wr840n-v2|\
 446         tl-wr840n-v3|\
 447         tl-wr841n-v11|\
 448         tl-wr841n-v1|\
 449         tl-wr841n-v7|\
 450         tl-wr841n-v8|\
 451         tl-wr841n-v9|\
 452         tl-wr842n-v2|\
 453         tl-wr842n-v3|\
 454         tl-wr902ac-v1|\
 455         tl-wr941nd-v5|\
 456         tl-wr941nd-v6|\
 457         tl-wr940n-v4|\
 458         tl-wr941nd)
 459                 local magic_ver="0100"
 460
 461                 case "$board" in
 462                 tl-wdr6500-v2)
 463                         magic_ver="0200"
 464                         ;;
 465                 esac
 466
 467                 [ "$magic" != "$magic_ver" ] && {
 468                         echo "Invalid image type."
 469                         return 1
 470                 }
 471
 472                 local hwid
 473                 local mid
 474                 local imagehwid
 475                 local imagemid
 476
 477                 hwid=$(tplink_get_hwid)
 478                 mid=$(tplink_get_mid)
 479                 imagehwid=$(tplink_get_image_hwid "$1")
 480                 imagemid=$(tplink_get_image_mid "$1")
 481
 482                 [ "$hwid" != "$imagehwid" -o "$mid" != "$imagemid" ] && {
 483                         echo "Invalid image, hardware ID mismatch, hw:$hwid $mid image:$imagehwid $imagemid."
 484                         return 1
 485                 }
 486
 487                 local boot_size
 488
 489                 boot_size=$(tplink_get_image_boot_size "$1")
 490                 [ "$boot_size" != "00000000" ] && {
 491                         echo "Invalid image, it contains a bootloader."
 492                         return 1
 493                 }
 494
 495                 return 0
 496                 ;;
 497         bsb|\
 498         dir-825-b1|\
 499         tew-673gru)
 500                 dir825b_check_image "$1" && return 0
 501                 ;;
 502         rb-411|\
 503         rb-411u|\
 504         rb-433|\
 505         rb-433u|\
 506         rb-435g|\
 507         rb-450|\
 508         rb-450g|\
 509         rb-493|\
 510         rb-493g|\
 511         rb-750|\
 512         rb-750gl|\
 513         rb-751|\
 514         rb-751g|\
 515         rb-911g-2hpnd|\
 516         rb-911g-5hpnd|\
 517         rb-911g-5hpacd|\
 518         rb-912uag-2hpnd|\
 519         rb-912uag-5hpnd|\
 520         rb-951g-2hnd|\
 521         rb-951ui-2hnd|\
 522         rb-2011l|\
 523         rb-2011il|\
 524         rb-2011uas|\
 525         rb-2011uias|\
 526         rb-2011uas-2hnd|\
 527         rb-2011uias-2hnd|\
 528         rb-sxt2n|\
 529         rb-sxt5n)
 530                 nand_do_platform_check routerboard $1
 531                 return $?
 532                 ;;
 533         c-60|\
 534         hiveap-121|\
 535         nbg6716|\
 536         r6100|\
 537         rambutan|\
 538         wi2a-ac200i|\
 539         wndr3700v4|\
 540         wndr4300)
 541                 nand_do_platform_check $board $1
 542                 return $?
 543                 ;;
 544         cpe210|\
 545         cpe510|\
 546         eap120|\
 547         wbs210|\
 548         wbs510)
 549                 tplink_pharos_check_image "$1" && return 0
 550                 return 1
 551                 ;;
 552         a40|\
 553         a60|\
 554         mr1750v2|\
 555         mr1750|\
 556         mr600v2|\
 557         mr600|\
 558         mr900v2|\
 559         mr900|\
 560         om2p-hsv2|\
 561         om2p-hsv3|\
 562         om2p-hsv4|\
 563         om2p-hs|\
 564         om2p-lc|\
 565         om2pv2|\
 566         om2pv4|\
 567         om2p|\
 568         om5p-acv2|\
 569         om5p-ac|\
 570         om5p-an|\
 571         om5p)
 572                 platform_check_image_openmesh "$magic_long" "$1" && return 0
 573                 return 1
 574                 ;;
 575         mr18|\
 576         z1)
 577                 merakinand_do_platform_check $board $1
 578                 return $?
 579                 ;;
 580         dir-869-a1|\
 581         mynet-n600|\
 582         mynet-n750|\
 583         qihoo-c301)
 584                 [ "$magic_long" != "5ea3a417" ] && {
 585                         echo "Invalid image, bad magic: $magic_long"
 586                         return 1
 587                 }
 588
 589                 local typemagic=$(seama_get_type_magic "$1")
 590                 [ "$typemagic" != "6669726d" ] && {
 591                         echo "Invalid image, bad type: $typemagic"
 592                         return 1
 593                 }
 594
 595                 return 0
 596                 ;;
 597         e2100l|\
 598         mynet-rext|\
 599         wrt160nl)
 600                 cybertan_check_image "$1" && return 0
 601                 return 1
 602                 ;;
 603         nbg6616|\
 604         uap-pro|\
 605         unifi-outdoor-plus)
 606                 [ "$magic_long" != "19852003" ] && {
 607                         echo "Invalid image type."
 608                         return 1
 609                 }
 610
 611                 return 0
 612                 ;;
 613         tube2h)
 614                 alfa_check_image "$1" && return 0
 615                 return 1
 616                 ;;
 617         wndr3700|\
 618         wnr1000-v2|\
 619         wnr2000-v3|\
 620         wnr612-v2|\
 621         wpn824n)
 622                 local hw_magic
 623
 624                 hw_magic="$(ar71xx_get_mtd_part_magic firmware)"
 625                 [ "$magic_long" != "$hw_magic" ] && {
 626                         echo "Invalid image, hardware ID mismatch, hw:$hw_magic image:$magic_long."
 627                         return 1
 628                 }
 629
 630                 return 0
 631                 ;;
 632         wnr2000-v4)
 633                 [ "$magic_long" != "32303034" ] && {
 634                         echo "Invalid image type."
 635                         return 1
 636                 }
 637
 638                 return 0
 639                 ;;
 640         wnr2200)
 641                 [ "$magic_long" != "32323030" ] && {
 642                         echo "Invalid image type."
 643                         return 1
 644                 }
 645
 646                 return 0
 647                 ;;
 648         dap-2695-a1)
 649                 local magic=$(wrgg_get_image_magic "$1")
 650                 [ "$magic" != "21030820" ] && {
 651                         echo "Invalid image, bad type: $magic"
 652                         return 1
 653                 }
 654
 655                 return 0;
 656                 ;;
 657         # these boards use metadata images
 658         fritz300e|\
 659         rb-750-r2|\
 660         rb-750p-pbr2|\
 661         rb-750up-r2|\
 662         rb-941-2nd|\
 663         rb-951ui-2nd|\
 664         rb-952ui-5ac2nd|\
 665         rb-962uigs-5hact2hnt|\
 666         rb-lhg-5nd|\
 667         rb-mapl-2nd)
 668                 return 0
 669                 ;;
 670         esac
 671
 672         echo "Sysupgrade is not yet supported on $board."
 673         return 1
 674 }
 675
 676 platform_pre_upgrade() {
 677         local board=$(board_name)
 678
 679         case "$board" in
 680         c-60|\
 681         hiveap-121|\
 682         nbg6716|\
 683         r6100|\
 684         rambutan|\
 685         rb-411|\
 686         rb-411u|\
 687         rb-433|\
 688         rb-433u|\
 689         rb-435g|\
 690         rb-450|\
 691         rb-450g|\
 692         rb-493|\
 693         rb-493g|\
 694         rb-750|\
 695         rb-750gl|\
 696         rb-751|\
 697         rb-751g|\
 698         rb-911g-2hpnd|\
 699         rb-911g-5hpnd|\
 700         rb-911g-5hpacd|\
 701         rb-912uag-2hpnd|\
 702         rb-912uag-5hpnd|\
 703         rb-951g-2hnd|\
 704         rb-951ui-2hnd|\
 705         rb-2011il|\
 706         rb-2011l|\
 707         rb-2011uas|\
 708         rb-2011uias|\
 709         rb-2011uas-2hnd|\
 710         rb-2011uias-2hnd|\
 711         rb-sxt2n|\
 712         rb-sxt5n|\
 713         wi2a-ac200i|\
 714         wndr3700v4|\
 715         wndr4300)
 716                 nand_do_upgrade "$1"
 717                 ;;
 718         rb-750-r2|\
 719         rb-750p-pbr2|\
 720         rb-750up-r2|\
 721         rb-941-2nd|\
 722         rb-951ui-2nd|\
 723         rb-952ui-5ac2nd|\
 724         rb-962uigs-5hact2hnt|\
 725         rb-lhg-5nd|\
 726         rb-mapl-2nd)
 727                 # erase firmware if booted from initramfs
 728                 [ -z "$(rootfs_type)" ] && mtd erase firmware
 729                 ;;
 730         mr18|\
 731         z1)
 732                 merakinand_do_upgrade "$1"
 733                 ;;
 734         esac
 735 }
 736
 737 platform_nand_pre_upgrade() {
 738         local board=$(board_name)
 739
 740         case "$board" in
 741         rb*)
 742                 CI_KERNPART=none
 743                 local fw_mtd=$(find_mtd_part kernel)
 744                 fw_mtd="${fw_mtd/block/}"
 745                 [ -n "$fw_mtd" ] || return
 746                 mtd erase kernel
 747                 tar xf "$1" sysupgrade-routerboard/kernel -O | nandwrite -o "$fw_mtd" -
 748                 ;;
 749         wi2a-ac200i)
 750                 case "$(fw_printenv -n dualPartition)" in
 751                         imgA)
 752                                 fw_setenv dualPartition imgB
 753                                 fw_setenv ActImg NokiaImageB
 754                         ;;
 755                         imgB)
 756                                 fw_setenv dualPartition imgA
 757                                 fw_setenv ActImg NokiaImageA
 758                         ;;
 759                 esac
 760                 ubiblock -r /dev/ubiblock0_0 2>/dev/null >/dev/null
 761                 rm -f /dev/ubiblock0_0
 762                 ubidetach -d 0 2>/dev/null >/dev/null
 763                 CI_UBIPART=ubi_alt
 764                 CI_KERNPART=kernel_alt
 765                 ;;
 766         esac
 767 }
 768
 769 platform_do_upgrade() {
 770         local board=$(board_name)
 771
 772         case "$board" in
 773         all0258n)
 774                 platform_do_upgrade_allnet "0x9f050000" "$ARGV"
 775                 ;;
 776         all0305|\
 777         eap7660d|\
 778         ja76pf2|\
 779         ja76pf|\
 780         jwap003|\
 781         ls-sr71|\
 782         pb42|\
 783         pb44|\
 784         routerstation-pro|\
 785         routerstation)
 786                 platform_do_upgrade_combined "$ARGV"
 787                 ;;
 788         all0315n)
 789                 platform_do_upgrade_allnet "0x9f080000" "$ARGV"
 790                 ;;
 791         cap4200ag|\
 792         eap300v2|\
 793         ens202ext)
 794                 platform_do_upgrade_allnet "0xbf0a0000" "$ARGV"
 795                 ;;
 796         dir-825-b1|\
 797         tew-673gru)
 798                 platform_do_upgrade_dir825b "$ARGV"
 799                 ;;
 800         a40|\
 801         a60|\
 802         mr1750v2|\
 803         mr1750|\
 804         mr600v2|\
 805         mr600|\
 806         mr900v2|\
 807         mr900|\
 808         om2p-hsv2|\
 809         om2p-hsv3|\
 810         om2p-hsv4|\
 811         om2p-hs|\
 812         om2p-lc|\
 813         om2pv2|\
 814         om2pv4|\
 815         om2p|\
 816         om5p-acv2|\
 817         om5p-ac|\
 818         om5p-an|\
 819         om5p)
 820                 platform_do_upgrade_openmesh "$ARGV"
 821                 ;;
 822         uap-pro|\
 823         unifi-outdoor-plus)
 824                 MTD_CONFIG_ARGS="-s 0x180000"
 825                 default_do_upgrade "$ARGV"
 826                 ;;
 827         wp543|\
 828         wpe72)
 829                 platform_do_upgrade_compex "$ARGV"
 830                 ;;
 831         *)
 832                 default_do_upgrade "$ARGV"
 833                 ;;
 834         esac
 835 }
 836
 837 disable_watchdog() {
 838         killall watchdog
 839         ( ps | grep -v 'grep' | grep '/dev/watchdog' ) && {
 840                 echo 'Could not disable watchdog'
 841                 return 1
 842         }
 843 }
 844
 845 append sysupgrade_pre_upgrade disable_watchdog