Make SD card script for meta-panda-es-rev-b3

mksd_panda.sh

#!/bin/bash 
##
# make sdcard for meta-panda-es-rev-b3
# This script create partition for PandaBoard SD Card.
# SD Card device detect automatically.
#

MOUNT_POINT=/media/${USER}/*
DISK=/dev/`cd /sys/block && grep ^ */removable | grep :1 | cut -d'/' -f1 | grep sd`

IMAGEPATH=$1
SRCDIR=""
DSTDIR=/media/${USER}/rootfs
IMAGEEXT=""

usage() {
    echo "mksd_panda.sh /path/to/input_tar_image"
    exit
}

check_args()
{
    if [ $# -lt 1 ] ; then
	usage 1
    fi
    if [ ! -e $1 ] ; then
	echo "$1 could not found."
	exit
    fi
    filename=$(basename ${IMAGEPATH})
    echo ${filename}
    if [ ${filename#*.} != "tar.gz" ] ; then
	echo "${filename#*.} is not tar.gz"
	exit
    fi
    SRCDIR=$(dirname ${IMAGEPATH})
}


check_dev()
{
    if [ ${DISK} = "/dev/" ] ; then
	echo "removable device is not found."
	exit
    fi
    if [ ! -e ${DISK}1 ] ; then
	echo "removable device is not found."
	exit
    fi
    echo "ok ${DISK} is available."
}

create_dir()
{
    if [ ! -e $1 ] ; then
	sudo mkdir $1
    fi
}


check_args $@

check_dev
sudo umount ${MOUNT_POINT}
echo "ok ${MOUNT_POINT} is unmanted."


sudo dd if=/dev/zero of=${DISK} bs=1M count=10
echo "ok ${DISK} is cleared."

sudo dd if=${SRCDIR}/MLO of=${DISK} count=1 seek=1 bs=128k
sudo dd if=${SRCDIR}/u-boot.img of=${DISK} count=2 seek=1 bs=384k
#sudo dd if=${SRCDIR}/u-boot.img of=${DISK} count=3 seek=1 bs=256k
sudo sfdisk ${DISK} <<-__EOF__
1M,,L,*
__EOF__

sudo mkfs.ext4 -L rootfs ${DISK}1

create_dir ${DSTDIR}
sudo mount ${DISK}1 ${DSTDIR}
sudo tar xf ${IMAGEPATH} -C ${DSTDIR}
sudo cp ${SRCDIR}/zImage ${DSTDIR}/boot
sudo cp ${SRCDIR}/zImage-omap4-panda-es-b3.dtb ${DSTDIR}/boot/omap4-panda-es-b3.dtb

sudo tee ${DSTDIR}/uEnv.txt <<__EOF__
uenvcmd=run mmcboot
fdtfile=omap4-panda-es-b3.dtb
fdtdir=/boot
bootdir=/boot
bootpart=0:1
interface=mmc
__EOF__

sudo umount ${DSTDIR}
sudo rmdir ${DSTDIR}