120 lines
2.8 KiB
Bash
120 lines
2.8 KiB
Bash
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#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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#
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######################################################
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# Copyright (C) 2016 Marvell International Ltd.
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#
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# https://spdx.org/licenses
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#
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# Author: Konstantin Porotchkin kostap@marvell.com
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#
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# Version 0.3
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#
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# UART recovery downloader for Armada SoCs
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#
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######################################################
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port=$1
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file=$2
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speed=$3
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pattern_repeat=1500
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default_baudrate=115200
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tmpfile=/tmp/xmodem.pattern
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tools=( dd stty sx minicom )
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case "$3" in
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2)
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fast_baudrate=230400
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prefix="\xF2"
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;;
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4)
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fast_baudrate=460800
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prefix="\xF4"
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;;
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8)
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fast_baudrate=921600
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prefix="\xF8"
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;;
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*)
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fast_baudrate=$default_baudrate
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prefix="\xBB"
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esac
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if [[ -z "$port" || -z "$file" ]]
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then
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echo -e "\nMarvell recovery image downloader for Armada SoC family."
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echo -e "Command syntax:"
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echo -e "\t$(basename $0) <port> <file> [2|4|8]"
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echo -e "\tport - serial port the target board is connected to"
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echo -e "\tfile - recovery boot image for target download"
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echo -e "\t2|4|8 - times to increase the default serial port speed by"
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echo -e "For example - load the image over ttyUSB0 @ 460800 baud:"
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echo -e "$(basename $0) /dev/ttyUSB0 /tmp/flash-image.bin 4\n"
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echo -e "=====WARNING====="
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echo -e "- The speed-up option is not available in SoC families prior to A8K+"
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echo -e "- This utility is not compatible with Armada 37xx SoC family\n"
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fi
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# Sanity checks
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if [ -c "$port" ]
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then
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echo -e "Using device connected on serial port \"$port\""
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else
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echo "Wrong serial port name!"
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exit 1
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fi
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if [ -f "$file" ]
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then
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echo -e "Loading flash image file \"$file\""
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else
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echo "File $file does not exist!"
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exit 1
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fi
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# Verify required tools installation
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for tool in ${tools[@]}
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do
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toolname=`which $tool`
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if [ -z "$toolname" ]
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then
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echo -e "Missing installation of \"$tool\" --> Exiting"
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exit 1
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fi
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done
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echo -e "Recovery will run at $fast_baudrate baud"
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echo -e "========================================"
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if [ -f "$tmpfile" ]
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then
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rm -f $tmpfile
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fi
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# Send the escape sequence to target board using default debug port speed
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stty -F $port raw ignbrk time 5 $default_baudrate
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counter=0
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while [ $counter -lt $pattern_repeat ]; do
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echo -n -e "$prefix\x11\x22\x33\x44\x55\x66\x77" >> $tmpfile
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let counter=counter+1
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done
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echo -en "Press the \"Reset\" button on the target board and "
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echo -en "the \"Enter\" key on the host keyboard simultaneously"
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read
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dd if=$tmpfile of=$port &>/dev/null
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# Speed up the binary image transfer
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stty -F $port raw ignbrk time 5 $fast_baudrate
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sx -vv $file > $port < $port
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#sx-at91 $port $file
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# Return the port to the default speed
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stty -F $port raw ignbrk time 5 $default_baudrate
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# Optional - fire up Minicom
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minicom -D $port -b $default_baudrate
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