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

   1 get_magic_at() {
   2         local file="$1"
   3         local pos="$2"
   4         get_image "$file" | dd bs=1 count=2 skip="$pos" 2>/dev/null | hexdump -v -n 2 -e '1/1 "%02x"'
   5 }
   6
   7 platform_check_image_sdcard() {
   8         local file="$1"
   9         local magic
  10
  11         magic=$(get_magic_at "$file" 510)
  12         [ "$magic" != "55aa" ] && {
  13                 echo "Failed to verify MBR boot signature."
  14                 return 1
  15         }
  16
  17         return 0;
  18 }
  19
  20 platform_do_upgrade_sdcard() {
  21         local board=$(board_name)
  22         local diskdev
  23
  24         sync
  25         if export_bootdevice && export_partdevice diskdev 0; then
  26                 get_image "$1" | dd of=/dev/$diskdev bs=2M conv=fsync
  27         fi
  28
  29         case "$board" in
  30         armada-385-turris-omnia)
  31                 fw_setenv openwrt_bootargs 'earlyprintk console=ttyS0,115200 root=/dev/mmcblk0p2 rootfstype=auto rootwait'
  32                 fw_setenv openwrt_mmcload 'setenv bootargs "$openwrt_bootargs cfg80211.freg=$regdomain"; fatload mmc 0 0x01000000 zImage; fatload mmc 0 0x02000000 armada-385-turris-omnia.dtb'
  33                 fw_setenv factory_mmcload 'setenv bootargs "$bootargs cfg80211.freg=$regdomain"; btrload mmc 0 0x01000000 boot/zImage @; btrload mmc 0 0x02000000 boot/dtb @'
  34                 fw_setenv mmcboot 'run openwrt_mmcload || run factory_mmcload; bootz 0x01000000 - 0x02000000'
  35                 ;;
  36         esac
  37
  38         sleep 1
  39 }
  40
  41 platform_copy_config_sdcard() {
  42         local partdev
  43
  44         if export_partdevice partdev 1; then
  45                 mkdir -p /boot
  46                 [ -f /boot/kernel.img ] || mount -o rw,noatime /dev/$partdev /boot
  47                 cp -af "$CONF_TAR" /boot/
  48                 sync
  49                 umount /boot
  50         fi
  51 }