Tom Rini
6 years ago
commit
084edbb689
@ -0,0 +1,119 @@ |
||||
#!/bin/bash |
||||
# |
||||
###################################################### |
||||
# Copyright (C) 2016 Marvell International Ltd. |
||||
# |
||||
# SPDX-License-Identifier: GPL-2.0 |
||||
# 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 $0) <port> <file> [2|4|8]" |
||||
echo -e "\tport - serial port the target board connected to" |
||||
echo -e "\tfile - recovery boot image for target download" |
||||
echo -e "\t2|4|8 - times to increase the default serial port speed by" |
||||
echo -e "For example - load the image over ttyUSB0 @ 460800 baud:" |
||||
echo -e "$(basename $0) /dev/ttyUSB0 /tmp/flash-image.bin 4\n" |
||||
echo -e "=====WARNING=====" |
||||
echo -e "- The speed-up option is not awailable in SoC families prior to A8K+" |
||||
echo -e "- This utility is not compatible with Armada 37xx SoC family\n" |
||||
fi |
||||
|
||||
# Sanity checks |
||||
if [ -c "$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 |
||||
|
||||
Loading…
Reference in new issue