1 files changed, 119 insertions, 0 deletions
diff --git a/tools/mrvl_uart.sh b/tools/mrvl_uart.sh
new file mode 100755
index 00000000000..6b04d7ae2c1
--- /dev/null
+++ b/tools/mrvl_uart.sh
@@ -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
+