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#
# Copyright (C) 2011 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.
#
####################################
set -x
if [ -z $1 ]
then
echo "usage: ./sd_fusing.sh <SD Reader's device file>"
exit 0
fi
if [ -b $1 ]
then
echo "$1 reader is identified."
else
echo "$1 is NOT identified."
exit 0
fi
if [ -d /sys/block/${1##*/}boot0 ]; then
echo "$1 is an eMMC card, disabling ${1##*/}boot0 ro"
if ! echo -n 0 | sudo tee /sys/block/${1##*/}boot0/force_ro; then
echo "Enabling r/w for $1boot0 failed"
exit 1
fi
emmc=1
fi
####################################
# fusing images
if [ -n "$emmc" ]; then
signed_bl1_position=0
bl2_position=30
uboot_position=62
tzsw_position=1502
device=$1boot0
else
signed_bl1_position=1
bl2_position=31
uboot_position=63
tzsw_position=1503
device=$1
fi
env_position=2015
# Get the U-Boot blob
if [ -f ./u-boot-dtb.bin ]; then
uboot="./u-boot-dtb.bin"
elif [ -f ./u-boot.bin ]; then
uboot="./u-boot.bin"
elif [ -f ../u-boot-dtb.bin ]; then
uboot="../u-boot-dtb.bin"
elif [ -f ./u-boot.bin.hardkernel ]; then
uboot="./u-boot.bin.hardkernel"
else
echo "U-Boot blob not found."
exit
fi
#<BL1 fusing>
echo "BL1 fusing"
sudo dd iflag=dsync oflag=dsync if=./bl1.bin.hardkernel of=$device seek=$signed_bl1_position
#<BL2 fusing>
echo "BL2 fusing"
sudo dd iflag=dsync oflag=dsync if=./bl2.bin.hardkernel.720k_uboot of=$device seek=$bl2_position
#<u-boot fusing>
echo "u-boot fusing"
sudo dd iflag=dsync oflag=dsync if=$uboot of=$device seek=$uboot_position
#<TrustZone S/W fusing>
echo "TrustZone S/W fusing"
sudo dd iflag=dsync oflag=dsync if=./tzsw.bin.hardkernel of=$device seek=$tzsw_position
#<u-boot env erase>
echo "u-boot env erase..."
sudo dd iflag=dsync oflag=dsync if=/dev/zero of=$device seek=$env_position bs=512 count=32
####################################
#<Message Display>
echo "U-boot image is fused successfully."
echo "Eject $1 and insert it again."
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