Tom Rini
7 years ago
commit
084edbb689
@ -0,0 +1,119 @@ |
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#!/bin/bash |
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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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# SPDX-License-Identifier: GPL-2.0 |
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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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|
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port=$1 |
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file=$2 |
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speed=$3 |
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|
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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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|
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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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|
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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 $0) <port> <file> [2|4|8]" |
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echo -e "\tport - serial port the target board connected to" |
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echo -e "\tfile - recovery boot image for target download" |
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echo -e "\t2|4|8 - times to increase the default serial port speed by" |
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echo -e "For example - load the image over ttyUSB0 @ 460800 baud:" |
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echo -e "$(basename $0) /dev/ttyUSB0 /tmp/flash-image.bin 4\n" |
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echo -e "=====WARNING=====" |
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echo -e "- The speed-up option is not awailable in SoC families prior to A8K+" |
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echo -e "- This utility is not compatible with Armada 37xx SoC family\n" |
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fi |
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|
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# Sanity checks |
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if [ -c "$port" ] |
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then |
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echo -e "Using device connected on serial port \"$port\"" |
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else |
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echo "Wrong serial port name!" |
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exit 1 |
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fi |
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|
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if [ -f "$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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|
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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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|
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echo -e "Recovery will run at $fast_baudrate baud" |
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echo -e "========================================" |
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|
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if [ -f "$tmpfile" ] |
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then |
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rm -f $tmpfile |
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fi |
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|
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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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|
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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 |
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|
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