sd_fusing.sh注释
#
# Copyright (C) 2010 Samsung Electronics Co., Ltd.
# http://www.samsung.com/
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
####################################
#这两个是写死的，应该对应着自己实际的设备进行修改
reader_type1="/dev/sdb"
reader_type2="/dev/mmcblk0"
#如果没有参数显示帮助信息
if [ -z $1 ]
then
echo "usage: ./sd_fusing.sh <SD Reader's device file>"
exit 0
fi
#判断类型，然后定义四个分区
if [ $1 = $reader_type1 ]
then
partition1="$11"
partition2="$12"
partition3="$13"
partition4="$14"
elif [ $1 = $reader_type2 ]
then
partition1="$1p1"
partition2="$1p2"
partition3="$1p3"
partition4="$1p4"
else
echo "Unsupported SD reader"
exit 0
fi
#存在并且判断是否是块设备
if [ -b $1 ]
then
echo "$1 reader is identified."
else
echo "$1 is NOT identified."
exit 0
fi
####################################
# make partition
echo "make sd card partition"
echo "./sd_fdisk $1"
./sd_fdisk $1
dd iflag=dsync oflag=dsync if=sd_mbr.dat of=$1
rm sd_mbr.dat
####################################
# format
umount $partition1 2> /dev/null
umount $partition2 2> /dev/null
umount $partition3 2> /dev/null
umount $partition4 2> /dev/null
echo "mkfs.vfat -F 32 $partition1"
mkfs.vfat -F 32 $partition1
#echo "mkfs.ext2 $partition2"
#mkfs.ext2 $partition2
#echo "mkfs.ext2 $partition3"
#mkfs.ext2 $partition3
#echo "mkfs.ext2 $partition4"
#mkfs.ext2 $partition4
####################################
# mount
#umount /media/sd 2> /dev/null
#mkdir -p /media/sd
#echo "mount -t vfat $partition1 /media/sd"
#mount -t vfat $partition1 /media/sd
####################################
#<BL1 fusing>
bl1_position=1
uboot_position=49
echo "BL1 fusing"
./mkbl1 ../u-boot.bin SD-bl1-8k.bin 8192
dd iflag=dsync oflag=dsync if=SD-bl1-8k.bin of=$1 seek=$bl1_position
rm SD-bl1-8k.bin
####################################
#<u-boot fusing>
echo "u-boot fusing"
dd iflag=dsync oflag=dsync if=../u-boot.bin of=$1 seek=$uboot_position
####################################
#<Message Display>
echo "U-boot image is fused successfully."
echo "Eject SD card and insert it again."