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#! /bin/sh
# Format a SD card to be used for flashing a Colibri VFxx module
# Then calls update.sh to add needed files
# sometimes we need the binary echo, not the shell builtin
ECHO=`which echo`
Usage()
{
echo ""
echo "Formats and fills a SD card with files for flashing the internal NAND of a"
echo "Colibri VFxx. Optionally creates a rootfs partition to allow booting and taking"
echo "kernel and rootfs from SD card."
echo "ALL DATA ON THE DEVICE GIVEN WITH -d WILL BE DELETED!!"
echo
echo "Requires a running U-Boot on the target. Either one already flashed on the NAND"
echo "or strapping the board to boot from SD card and booting U-Boot from the card"
echo "(only possible on older samples without blown boot fuses)."
echo ""
echo "-h : Prints this message"
echo ""
echo "-d FILE : device file of the SD card"
echo "-f : additionally copy the rootfs into the second partition"
echo "-s : optimise file system for 128MB NAND, increases usable space"
echo " on VF50 module a little, but on VF61 uses also only 128MB"
echo ""
echo "Example \"./format_sd.sh -d /dev/mmcblk0\" prepares the SD card /dev/mmcblk0"
echo ""
}
#initialise options
DEV="/dev/null"
CFGBLOCK_ONLY=0
DEBUG_ONLY=0
KERNEL_ONLY=0
UBOOT_ONLY=0
CP_ROOTFS=0
while getopts "hd:fs" Option ; do
case $Option in
h) Usage
# Exit if only usage (-h) was specified.
if [[ $# -eq 1 ]] ; then
exit 10
fi
exit 0
;;
d) DEV=$OPTARG
;;
f) CP_ROOTFS=1
;;
s) UPDATE_OPTS="-s"
esac
done
DEVNAME=`basename $DEV`
DEVNAMESTART=`echo $DEVNAME | cut -c 1-3`
# sanity checks to try and not touch one of the users hard drives or other issues
if [ ! -b $DEV ] ; then
echo $DEV "is not a block device, "
echo "please specify the device file representing your SD card"
exit 1
fi
if [ "$DEVNAMESTART" = "sda" ] ; then
echo $DEV "seems to be your primary hard disk,"
echo "please specify the device file representing your SD card"
exit 1
fi
if [ ! -d /sys/block/$DEVNAME ] ; then
echo "/sys/block/$DEVNAME"
echo $DEV "seems to not be a disk, please specify the device file"
echo "representing your SD card (without any trailing number)"
exit 1
fi
IS_USB_MMC=`ls -l /sys/block/$DEVNAME | grep -c "usb\|mmc"`
if [ $IS_USB_MMC -eq 0 ] ; then
echo $DEV "seems not to be connected over USB or MMC, please specify the device file"
echo "representing your SD card (without any trailing number)"
exit 1
fi
if [ "$DEVNAMESTART" = "mmc" ] ; then
PART_PREFIX="p"
else
PART_PREFIX=""
fi
# make sure the partitions are unmounted
sudo umount ${DEV}${PART_PREFIX}?
# partition and format the vfat partition
sudo parted -s $DEV mklabel msdos mkpart primary fat32 1MB 512MB mkpart primary ext3 512MB 100%
sudo umount ${DEV}${PART_PREFIX}1
sudo mkfs.fat -n UPDATE ${DEV}${PART_PREFIX}1
# dd U-Boot onto the SD card
sudo dd if=colibri-vf_bin/u-boot.imx of=${DEV} bs=512 seek=2
sudo mkdir -p mntpoint1
sudo mount -t vfat ${DEV}${PART_PREFIX}1 mntpoint1 -o umask=0
# now copy U-Boot, kernel and ubi-img to the KERNEL partition
DEST=`readlink -e mntpoint1`
./update.sh -o "$DEST" $UPDATE_OPTS
#copy the rootfs
if [ "$CP_ROOTFS" -eq 1 ] ; then
sudo umount ${DEV}${PART_PREFIX}2
sudo mkfs.ext3 -L RFS ${DEV}${PART_PREFIX}2 && sync
sudo mkdir -p mntpoint2
sudo mount -t ext3 ${DEV}${PART_PREFIX}2 mntpoint2
sudo cp -pPr rootfs/* mntpoint2/
fi
sudo umount ${DEV}${PART_PREFIX}?
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