mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-10 23:24:38 +00:00
3e00c48ef0
minicom doesn't inherit the baudrate from stty but uses its own
defaults, such as for example 57600, whereas we expect 115200 here.
Explicitly tell minicom which baudrate to use.
Fixes: eee4835d22 ("tools: Add Marvell recovery image download script")
Cc: Konstantin Porotchkin <kostap@marvell.com>
Cc: Stefan Roese <sr@denx.de>
Cc: Igal Liberman <igall@marvell.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Konstantin Porotchkin <kostap@marvell.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
119 lines
2.8 KiB
Bash
Executable file
119 lines
2.8 KiB
Bash
Executable file
#!/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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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 $0) <port> <file> [2|4|8]"
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echo -e "\tport - serial port the target board connected to"
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echo -e "\tfile - recovery boot image for target download"
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echo -e "\t2|4|8 - times to increase the default serial port speed by"
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echo -e "For example - load the image over ttyUSB0 @ 460800 baud:"
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echo -e "$(basename $0) /dev/ttyUSB0 /tmp/flash-image.bin 4\n"
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echo -e "=====WARNING====="
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echo -e "- The speed-up option is not awailable in SoC families prior to A8K+"
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echo -e "- This utility is not compatible with Armada 37xx SoC family\n"
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fi
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# Sanity checks
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if [ -c "$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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