92 lines
2.1 KiB
Bash
92 lines
2.1 KiB
Bash
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#
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# Copyright (C) 2011 Samsung Electronics Co., Ltd.
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# http://www.samsung.com/
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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#
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####################################
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set -x
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if [ -z $1 ]
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then
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echo "usage: ./sd_fusing.sh <SD Reader's device file>"
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exit 0
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fi
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if [ -b $1 ]
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then
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echo "$1 reader is identified."
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else
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echo "$1 is NOT identified."
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exit 0
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fi
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if [ -d /sys/block/${1##*/}boot0 ]; then
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echo "$1 is an eMMC card, disabling ${1##*/}boot0 ro"
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if ! echo -n 0 | sudo tee /sys/block/${1##*/}boot0/force_ro; then
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echo "Enabling r/w for $1boot0 failed"
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exit 1
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fi
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emmc=1
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fi
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####################################
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# fusing images
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if [ -n "$emmc" ]; then
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signed_bl1_position=0
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bl2_position=30
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uboot_position=62
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tzsw_position=1502
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device=$1boot0
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else
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signed_bl1_position=1
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bl2_position=31
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uboot_position=63
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tzsw_position=1503
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device=$1
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fi
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env_position=2015
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# Get the U-Boot blob
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if [ -f ./u-boot-dtb.bin ]; then
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uboot="./u-boot-dtb.bin"
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elif [ -f ./u-boot.bin ]; then
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uboot="./u-boot.bin"
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elif [ -f ../u-boot-dtb.bin ]; then
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uboot="../u-boot-dtb.bin"
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elif [ -f ./u-boot.bin.hardkernel ]; then
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uboot="./u-boot.bin.hardkernel"
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else
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echo "U-Boot blob not found."
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exit
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fi
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#<BL1 fusing>
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echo "BL1 fusing"
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sudo dd iflag=dsync oflag=dsync if=./bl1.bin.hardkernel of=$device seek=$signed_bl1_position
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#<BL2 fusing>
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echo "BL2 fusing"
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sudo dd iflag=dsync oflag=dsync if=./bl2.bin.hardkernel.720k_uboot of=$device seek=$bl2_position
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#<u-boot fusing>
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echo "u-boot fusing"
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sudo dd iflag=dsync oflag=dsync if=$uboot of=$device seek=$uboot_position
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#<TrustZone S/W fusing>
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echo "TrustZone S/W fusing"
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sudo dd iflag=dsync oflag=dsync if=./tzsw.bin.hardkernel of=$device seek=$tzsw_position
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#<u-boot env erase>
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echo "u-boot env erase..."
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sudo dd iflag=dsync oflag=dsync if=/dev/zero of=$device seek=$env_position bs=512 count=32
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####################################
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#<Message Display>
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echo "U-boot image is fused successfully."
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echo "Eject $1 and insert it again."
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