mmc_mount_root=$(nvram get mmc_mount_root)
mmc_mount_root=${mmc_mount_root:-/tmp/.mmc}

mmc_mount_point=$(nvram get mmc_mount_point)
mmc_mount_point=${mmc_mount_point:-/mmc}

[ -f /tmp/.mmc-status ] || {
 echo 0 > /tmp/.mmc-status
}

[ -d "$mmc_mount_root" ] || { 
 mkdir "$mmc_mount_root"
}

[ -s "$mmc_mount_point ] || {
 ln -s /dev/mmc/disc0/part1 $mmc_mount_point
}  

mmc_status=`cat /tmp/.mmc-status`

case $1 in
  insert)
        [ "$mmc_status" = "1" ] && {
        	 echo "MMC Card already present!"
	} || {
		insmod -q fat
		insmod -q vfat
		insmod -q mmc
		sleep 1
		mount /dev/mmc/disc0/part1  $mmc_mount_root
		nvram set mmc_status=1
		echo "MMC Card mounted at $mmc_mount_point"

	}
  ;;
  eject)
	[ "$mmc_status" = "0" ] && {
		echo "MMC Card not present!"
	} || {
		umount $mmc_mount_root || exit 1
		sleep 1 
		rmmod mmc
		rmmod vfat
		rmmod fat
		nvram set mmc_status=0
		echo "MMC Card unmounted from $mmc_mount_point"
	}
  ;;
  *)
	echo "Usage: mmc <insert|eject>"
  ;;
esac