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