target/linux/mvebu/base-files/lib/upgrade/linksys.sh

   1 #
   2 # Copyright (C) 2014 OpenWrt.org
   3 #
   4
   5 linksys_get_target_firmware() {
   6         cur_boot_part=`/usr/sbin/fw_printenv -n boot_part`
   7         target_firmware=""
   8         if [ "$cur_boot_part" = "1" ]
   9         then
  10                 # current primary boot - update alt boot
  11                 target_firmware="kernel2"
  12                 fw_setenv boot_part 2
  13                 fw_setenv bootcmd "run altnandboot"
  14         elif [ "$cur_boot_part" = "2" ]
  15         then
  16                 # current alt boot - update primary boot
  17                 target_firmware="kernel1"
  18                 fw_setenv boot_part 1
  19                 fw_setenv bootcmd "run nandboot"
  20         fi
  21
  22         echo "$target_firmware"
  23 }
  24
  25 platform_do_upgrade_linksys() {
  26         local magic_long="$(get_magic_long "$1")"
  27
  28         mkdir -p /var/lock
  29         local part_label="$(linksys_get_target_firmware)"
  30         touch /var/lock/fw_printenv.lock
  31
  32         if [ ! -n "$part_label" ]
  33         then
  34                 echo "cannot find target partition"
  35                 exit 1
  36         fi
  37
  38         # we don't know, what filesystem does the other partition use,
  39         # nuke it tobe safe
  40         mtd erase $part_label
  41         get_image "$1" | mtd -n write - $part_label
  42 }
  43
  44 linksys_preupgrade() {
  45         export RAMFS_COPY_BIN="${RAMFS_COPY_BIN} /usr/sbin/fw_printenv /usr/sbin/fw_setenv"
  46         export RAMFS_COPY_BIN="${RAMFS_COPY_BIN} /bin/mkdir /bin/touch"
  47         export RAMFS_COPY_DATA="${RAMFS_COPY_DATA} /etc/fw_env.config /var/lock/fw_printenv.lock"
  48
  49         [ -f /tmp/sysupgrade.tgz ] && {
  50                 cp /tmp/sysupgrade.tgz /tmp/syscfg/sysupgrade.tgz
  51         }
  52 }
  53
  54 append sysupgrade_pre_upgrade linksys_preupgrade