target/linux/mvebu/base-files/lib/preinit/82_uDPU

   1 #
   2 # Copyright (C) 2014-2019 OpenWrt.org
   3 # Copyright (C) 2016 LEDE-Project.org
   4 #
   5
   6 preinit_mount_udpu() {
   7         . /lib/functions.sh
   8         . /lib/upgrade/common.sh
   9
  10         case $(board_name) in
  11         methode,udpu)
  12                 # Check which device is detected
  13                 [ -b "/dev/mmcblk0" ] && mmcdev="/dev/mmcblk0" || mmcdev="/dev/mmcblk1"
  14
  15                 if [ -b "${mmcdev}p4" ]; then
  16                         mkdir /misc
  17                         mount -t f2fs ${mmcdev}p4 /misc
  18                         [ -f "/misc/$BACKUP_FILE" ] && {
  19                                 echo "- Restoring configuration files -"
  20                                 tar xzf "/misc/$BACKUP_FILE" -C /
  21                                 rm -f "/misc/$BACKUP_FILE"
  22                                 sync
  23                         }
  24                         [ -f "/misc/firmware/recovery.itb" ] && {
  25                                         echo "- Updating /recovery partition -"
  26                                         mkfs.ext4 -q ${mmcdev}p2 | echo y &> /dev/null
  27                                         mkdir -p /tmp/recovery
  28                                         mount ${mmcdev}p2 /tmp/recovery
  29                                         cp /misc/firmware/recovery.itb /tmp/recovery
  30                                         [ -f "/misc/firmware/boot.scr" ] && \
  31                                                 cp /misc/firmware/boot.scr /tmp/recovery
  32                                         sync
  33                                         umount /tmp/recovery
  34                                         rm -rf /tmp/recovery
  35
  36                                         # Replace previous backup with the new one
  37                                         [ -d "/misc/firmware_old" ] && rm -rf /misc/firmware_old
  38                                         [ -d "/misc/firmware" ] && mv /misc/firmware /misc/firmware_old
  39                                 }
  40                 fi
  41
  42                 # Legacy support - if rootfs was booted, instruct u-boot to keep the current root dev
  43                 [ "$(df | grep /dev/root)" ] && fw_setenv root_ok '2'
  44         ;;
  45         esac
  46 }
  47
  48 boot_hook_add preinit_main preinit_mount_udpu