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eee4835d | 1 | #!/bin/bash |
83d290c5 | 2 | # SPDX-License-Identifier: GPL-2.0 |
eee4835d KP |
3 | # |
4 | ###################################################### | |
5 | # Copyright (C) 2016 Marvell International Ltd. | |
6 | # | |
eee4835d KP |
7 | # https://spdx.org/licenses |
8 | # | |
9 | # Author: Konstantin Porotchkin [email protected] | |
10 | # | |
11 | # Version 0.3 | |
12 | # | |
13 | # UART recovery downloader for Armada SoCs | |
14 | # | |
15 | ###################################################### | |
16 | ||
17 | port=$1 | |
18 | file=$2 | |
19 | speed=$3 | |
20 | ||
21 | pattern_repeat=1500 | |
22 | default_baudrate=115200 | |
23 | tmpfile=/tmp/xmodem.pattern | |
24 | tools=( dd stty sx minicom ) | |
25 | ||
26 | case "$3" in | |
27 | 2) | |
28 | fast_baudrate=230400 | |
29 | prefix="\xF2" | |
30 | ;; | |
31 | 4) | |
32 | fast_baudrate=460800 | |
33 | prefix="\xF4" | |
34 | ;; | |
35 | 8) | |
36 | fast_baudrate=921600 | |
37 | prefix="\xF8" | |
38 | ;; | |
39 | *) | |
40 | fast_baudrate=$default_baudrate | |
41 | prefix="\xBB" | |
42 | esac | |
43 | ||
44 | if [[ -z "$port" || -z "$file" ]] | |
45 | then | |
46 | echo -e "\nMarvell recovery image downloader for Armada SoC family." | |
47 | echo -e "Command syntax:" | |
48 | echo -e "\t$(basename $0) <port> <file> [2|4|8]" | |
ceb32818 | 49 | echo -e "\tport - serial port the target board is connected to" |
eee4835d KP |
50 | echo -e "\tfile - recovery boot image for target download" |
51 | echo -e "\t2|4|8 - times to increase the default serial port speed by" | |
52 | echo -e "For example - load the image over ttyUSB0 @ 460800 baud:" | |
53 | echo -e "$(basename $0) /dev/ttyUSB0 /tmp/flash-image.bin 4\n" | |
54 | echo -e "=====WARNING=====" | |
ceb32818 | 55 | echo -e "- The speed-up option is not available in SoC families prior to A8K+" |
eee4835d KP |
56 | echo -e "- This utility is not compatible with Armada 37xx SoC family\n" |
57 | fi | |
58 | ||
59 | # Sanity checks | |
60 | if [ -c "$port" ] | |
61 | then | |
62 | echo -e "Using device connected on serial port \"$port\"" | |
63 | else | |
64 | echo "Wrong serial port name!" | |
65 | exit 1 | |
66 | fi | |
67 | ||
68 | if [ -f "$file" ] | |
69 | then | |
70 | echo -e "Loading flash image file \"$file\"" | |
71 | else | |
72 | echo "File $file does not exist!" | |
73 | exit 1 | |
74 | fi | |
75 | ||
76 | # Verify required tools installation | |
77 | for tool in ${tools[@]} | |
78 | do | |
79 | toolname=`which $tool` | |
80 | if [ -z "$toolname" ] | |
81 | then | |
82 | echo -e "Missing installation of \"$tool\" --> Exiting" | |
83 | exit 1 | |
84 | fi | |
85 | done | |
86 | ||
87 | ||
88 | echo -e "Recovery will run at $fast_baudrate baud" | |
89 | echo -e "========================================" | |
90 | ||
91 | if [ -f "$tmpfile" ] | |
92 | then | |
93 | rm -f $tmpfile | |
94 | fi | |
95 | ||
96 | # Send the escape sequence to target board using default debug port speed | |
97 | stty -F $port raw ignbrk time 5 $default_baudrate | |
98 | counter=0 | |
99 | while [ $counter -lt $pattern_repeat ]; do | |
100 | echo -n -e "$prefix\x11\x22\x33\x44\x55\x66\x77" >> $tmpfile | |
101 | let counter=counter+1 | |
102 | done | |
103 | ||
104 | echo -en "Press the \"Reset\" button on the target board and " | |
105 | echo -en "the \"Enter\" key on the host keyboard simultaneously" | |
106 | read | |
107 | dd if=$tmpfile of=$port &>/dev/null | |
108 | ||
109 | # Speed up the binary image transfer | |
110 | stty -F $port raw ignbrk time 5 $fast_baudrate | |
111 | sx -vv $file > $port < $port | |
112 | #sx-at91 $port $file | |
113 | ||
ceb32818 | 114 | # Return the port to the default speed |
eee4835d KP |
115 | stty -F $port raw ignbrk time 5 $default_baudrate |
116 | ||
117 | # Optional - fire up Minicom | |
3e00c48e | 118 | minicom -D $port -b $default_baudrate |
eee4835d | 119 |