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Konstantin Porotchkineee48352017-11-30 16:10:09 +02001#!/bin/bash
Tom Rini83d290c2018-05-06 17:58:06 -04002# SPDX-License-Identifier: GPL-2.0
Konstantin Porotchkineee48352017-11-30 16:10:09 +02003#
4######################################################
5# Copyright (C) 2016 Marvell International Ltd.
6#
Konstantin Porotchkineee48352017-11-30 16:10:09 +02007# https://spdx.org/licenses
8#
9# Author: Konstantin Porotchkin kostap@marvell.com
10#
11# Version 0.3
12#
13# UART recovery downloader for Armada SoCs
14#
15######################################################
16
17port=$1
18file=$2
19speed=$3
20
21pattern_repeat=1500
22default_baudrate=115200
23tmpfile=/tmp/xmodem.pattern
24tools=( dd stty sx minicom )
25
26case "$3" in
27 2)
28 fast_baudrate=230400
29 prefix="\xF2"
30 ;;
31 4)
32 fast_baudrate=460800
33 prefix="\xF4"
34 ;;
35 8)
36 fast_baudrate=921600
37 prefix="\xF8"
38 ;;
39 *)
40 fast_baudrate=$default_baudrate
41 prefix="\xBB"
42esac
43
44if [[ -z "$port" || -z "$file" ]]
45then
46 echo -e "\nMarvell recovery image downloader for Armada SoC family."
47 echo -e "Command syntax:"
48 echo -e "\t$(basename $0) <port> <file> [2|4|8]"
Andreas Färberceb32812018-01-20 13:18:39 +010049 echo -e "\tport - serial port the target board is connected to"
Konstantin Porotchkineee48352017-11-30 16:10:09 +020050 echo -e "\tfile - recovery boot image for target download"
51 echo -e "\t2|4|8 - times to increase the default serial port speed by"
52 echo -e "For example - load the image over ttyUSB0 @ 460800 baud:"
53 echo -e "$(basename $0) /dev/ttyUSB0 /tmp/flash-image.bin 4\n"
54 echo -e "=====WARNING====="
Andreas Färberceb32812018-01-20 13:18:39 +010055 echo -e "- The speed-up option is not available in SoC families prior to A8K+"
Konstantin Porotchkineee48352017-11-30 16:10:09 +020056 echo -e "- This utility is not compatible with Armada 37xx SoC family\n"
57fi
58
59# Sanity checks
60if [ -c "$port" ]
61then
62 echo -e "Using device connected on serial port \"$port\""
63else
64 echo "Wrong serial port name!"
65 exit 1
66fi
67
68if [ -f "$file" ]
69then
70 echo -e "Loading flash image file \"$file\""
71else
72 echo "File $file does not exist!"
73 exit 1
74fi
75
76# Verify required tools installation
77for tool in ${tools[@]}
78do
79 toolname=`which $tool`
80 if [ -z "$toolname" ]
81 then
82 echo -e "Missing installation of \"$tool\" --> Exiting"
83 exit 1
84 fi
85done
86
87
88echo -e "Recovery will run at $fast_baudrate baud"
89echo -e "========================================"
90
91if [ -f "$tmpfile" ]
92then
93 rm -f $tmpfile
94fi
95
96# Send the escape sequence to target board using default debug port speed
97stty -F $port raw ignbrk time 5 $default_baudrate
98counter=0
99while [ $counter -lt $pattern_repeat ]; do
100 echo -n -e "$prefix\x11\x22\x33\x44\x55\x66\x77" >> $tmpfile
101 let counter=counter+1
102done
103
104echo -en "Press the \"Reset\" button on the target board and "
105echo -en "the \"Enter\" key on the host keyboard simultaneously"
106read
107dd if=$tmpfile of=$port &>/dev/null
108
109# Speed up the binary image transfer
110stty -F $port raw ignbrk time 5 $fast_baudrate
111sx -vv $file > $port < $port
112#sx-at91 $port $file
113
Andreas Färberceb32812018-01-20 13:18:39 +0100114# Return the port to the default speed
Konstantin Porotchkineee48352017-11-30 16:10:09 +0200115stty -F $port raw ignbrk time 5 $default_baudrate
116
117# Optional - fire up Minicom
Andreas Färber3e00c482018-01-20 13:07:09 +0100118minicom -D $port -b $default_baudrate
Konstantin Porotchkineee48352017-11-30 16:10:09 +0200119