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Alessandro Rubini authored
Signed-off-by:Alessandro Rubini <rubini@gnudd.com>
21765e56
flash-wrs 8.44 KiB
#!/bin/sh
# A script to ease the use of the usb loader, possibly changing the mac address
#
# Authors:
# - Benoit Rat (Seven Solutions, www.sevensols.com)
# - Federico Vaga
# - Alessandro Rubini
#
# GNU Lesser General Public License Usage
# This file may be used under the terms of the GNU Lesser
# General Public License version 2.1 as published by the Free Software
# Foundation and appearing in the file LICENSE.LGPL included in the
# packaging of this file. Please review the following information to
# ensure the GNU Lesser General Public License version 2.1 requirements
# will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
#########################################################################
#hack: allow some environment variables to change behavior, for developing
if [ "x$WRS_FAKE_FLASHER" = "x" ]; then
fake=false
else
fake=true
echo "Using fake flasher (no action on switch is done)"
sleep 1
fi
if [ "x$WRS_KEEP_TEMPORARIES" = "x" ]; then
remove_temps=true
else
remove_temps=false
fi
fake_flasher()
{
echo "NOT FLASHING with command:"
echo " $*"
echo ""
sleep 3
}
showhelp()
{
printf "Usage: $0 [options] [<firmware>.tar] [DEV]\n\n"
printf "<firmware>.tar: Use the file in the firmware to flash the device\n"
printf "DEV:\t The usb device (by default it is /dev/ttyACM0)\n"
printf "Options: \n"
printf " -h|--help\t Show this help message\n"
printf " -m|--mode\t can be: default (df and nf), df (dataflash),\n\t\t nf (nandflash), ddr (ddr memories).\n"
printf " -g|--gateware\t Select the gateware: 18p (18 ports, default), 8p (8 ports)\n"
printf " -e \t\t Completely erase the memory (Can erase your configuration)\n"
printf " -b|--build\t Use files that you have built in the WRS_OUTPUT_DIR\n"
exit 0
}
checkExit()
{
# $1 == what, $2 == filename
# (assumes $me is the script name)
if [ -f $2 ]; then
return 0;
else
echo "$me: Can't find file \"$2\" ($1)" >& 2;
exit 1
fi
}
# Go to the top directory
dir=$(dirname $0)/..
WRS_BASE_DIR=$(cd $dir && /bin/pwd)
# Sanity checks
if [ -d ${WRS_BASE_DIR}/usb-loader ]; then true; else
echo "$0: ${WRS_BASE_DIR}/usb-loader: no such directory" >& 2
exit 1
fi
if [ "x${WRS_OUTPUT_DIR}" = "x" ]; then
export WRS_OUTPUT_DIR=$(/bin/pwd)
fi
# build flasher itself
FLASHER="${WRS_BASE_DIR}/usb-loader/mch_flasher"
if [ -x $FLASHER ]; then
true
else
if CC=cc make -s -C ${WRS_BASE_DIR}/usb-loader; then true; else
echo "$0: Error compiling in directory ${WRS_BASE_DIR}/usb-loader" >&2;
exit 1;
fi
fi
# allow faking operations
if $fake; then
FLASHER="fake_flasher $FLASHER"
fi
# Default MAC address for the switch board ethernet
MAC1_DEF="02:34:56:78:9A:BC"
MAC1=$MAC1_DEF
# Default base MAC address for the 18 switch ports
MAC2_DEF="02:34:56:78:9A:00"
MAC2=$MAC2_DEF
# By default we select the gateware only for 18ports because 8ports are
# only used by developper.
gateware="18p*.bin"
DEV=""
FLAGS=""
# full path to the at91boot binary
at91bs=""
# full path to the barebox binary
barebox=""
# full path to the kernel image
kernel=""
# full path to the /usr.gz file system
usrtar=""
# full path to the cpio image
initramfs=""
if [ "x$TMPDIR" = "x" ]; then TMPDIR="/tmp"; fi
WRSTMPDIR=$(mktemp -d $TMPDIR/flash-wrs-XXXXXX)
while [ $# -ge 1 ]; do
case $1 in
-b|--build)
at91bs=${WRS_OUTPUT_DIR}/images/at91bootstrap.bin;
barebox=${WRS_OUTPUT_DIR}/images/barebox.bin
kernel=${WRS_OUTPUT_DIR}/images/zImage
initramfs=${WRS_OUTPUT_DIR}/images/wrs-initramfs.gz
usrtar=${WRS_OUTPUT_DIR}/images/wrs-usr.tar.gz
tarball=${WRS_OUTPUT_DIR}/images/wrs-firmware.tar
shift;;
*.tar)
checkExit "tar-file" $1
tar --directory $WRSTMPDIR -xf $1
at91bs=$WRSTMPDIR/at91bootstrap.bin;
barebox=$WRSTMPDIR/barebox.bin
kernel=$WRSTMPDIR/zImage
initramfs=$WRSTMPDIR/wrs-initramfs.gz
usrtar=$WRSTMPDIR/wrs-usr.tar.gz
tarball=$1
shift;;
-h|--help) showhelp; shift;;
-m|--memmode)
# verify memory mode
if [ "$2" != "nf" ] && [ "$2" != "df" ] && [ "$2" != "ddr" ] && [ "$2" != "default" ]; then
echo "Error: Invalid memory mode \"$2\""
showhelp
exit 1
fi
memmode="$2"
shift; shift;;
-g|--gateware)
# Obtain which gateware type we want to keep for flash
if [ "$2" = "18p" ] || [ "$2" = "8p" ]; then
gateware="$2*.bin";
else
echo "Error: Invalid gateware selection \"$2\""
showhelp
exit 1
fi
shift; shift;;
/* ) DEV="-s $1"; shift ;;
-m1|--mac1|-m2|--mac2)
echo "Error: can't change mac1 and mac2 any more. See docs" >& 2
shift; shift;;
-[ecs])
# e == erase, c == check, s == scrub
FLAGS="${FLAGS} $1"; shift;;
* ) echo "$0: Invalid argument \"$1\"" >&2; exit 1;;
esac
done
if [ "x$usrtar" = "x" ]; then
showhelp
fi
# Check that there is a tftpboot place with the right thing...
tartftp=wrs-firmware.tar
tarsum=$(md5sum < $tarball)
for n in /tftpboot /home/tftpboot $HOME/tftpboot $HOME/[wW][rR]/tftpboot; do
if [ ! -d $n ]; then continue; fi
if [ ! -f $n/$tartftp ]; then continue; fi
sum2=$(md5sum < $n/$tartftp)
if [ "$tarsum" != "$sum2" ]; then
echo "Warning: File $n/$tartftp not up to date";
echo "Maybe you want to run the following command:"
echo ""
echo " cp $tarball $n/$tartftp"
echo ""
echo "Press enter to continue"
read a
fi
done
# Even if not all files are always needed, check all of them immediately
me=$(basename $0)
echo "${me}: Working in $WRSTMPDIR"
checkExit "AT91Bootstrap IPL" $at91bs
checkExit "BareBox boot loader" $barebox
checkExit "Linux kernel" $kernel
checkExit "initial RAM disk" $rootfsgz
checkExit "archive for /usr filesystem" $usrtar
## MAC1 and MAC2 are really recommended
if [ "x$MAC1" = "x$MAC1_DEF" ]; then
echo "Warning: you did not set the MAC1 value; using \"$MAC1_DEF\""
fi
if [ "x$MAC2" = "x$MAC2_DEF" ]; then
echo "Warning: you did not set the MAC2 value; using \"$MAC2_DEF\""
fi
## Selecting the running memmode
df=false; nf=false; ddr=false
if [ "x$memmode" = "xdf" ]; then
df=true
elif [ "x$memmode" = "xnf" ]; then
nf=true
elif [ "x$memmode" = "xddr" ]; then
ddr=true
else
df=true
nf=true
fi
# Check if atmel sam-ba is found by lsusb
if lsusb | grep -q "at91sam" || $fake; then
true;
else
echo ""
echo "$me: Waiting for at91sam SAMBA bootloader on usb."
echo " Please check the Managment USB cable is connected "
echo " and keep pressed the Flash button while"
echo " resetting/powering the switch."
while true; do
if lsusb | grep -q "at91sam"; then
break
fi
sleep 1
echo -n "."
done
echo " Ok"
fi
# Remove the jumper now, before proceeding
if $fake; then
echo "$me: fake operations, let's continue withouth a WR switch;"
else
echo "$me: I'm talking with the switch;"
fi
echo -n " please release the flash button and press Enter to start flashing: "
read unused
## Flashing DataFlash: at91bootstrap at 0, then barebox at 0x8400 (33792)
if $df; then
${FLASHER} -m df $FLAGS $DEV ${at91bs} 0 ${barebox} 33792
fi
## Prepare for the NAND flashing procedure (kernel, initramfs, /usr)
if $nf; then
# A this poinit, we used to create a special filesystem but that
# step is not needed any more: the standard initramfs works for
# installation too.
# So, the only things that remains is setting up the magic string
# before the initramfs itself:
MAGICSTR=$WRSTMPDIR/magicstr
echo -n paperino > $MAGICSTR
# Also, we don't erase nand: the initramfs does it at install time
#$FLASHER -e -m nand
# Start nand flashing procedure
$FLASHER -m ddr $FLAGS $DEV \
${barebox} 0x0000000 \
${kernel} 0x1000000 \
${MAGICSTR} 0x17FFFF8 \
${initramfs} 0x1800000
if $remove_temps; then
rm -rf $WRSTMPDIR
else
echo "Keeping temporary directory: ${WRSTMPDIR}"
fi
# Now, flashing proceeds by booting a kernel, get its messages
# Wait for the device to disappear
while [ -e /dev/ttyACM0 ]; do sleep 0.1; done
# Wait for the device to appear again
while [ ! -e /dev/ttyACM0 ]; do sleep 0.1; done
# Report install messages until the device disappears again
cat /dev/ttyACM0
fi
## Loading in DDR. This is used to boot without booting (i.e. no at91boot)
if $ddr; then
# barebox would be enough, but place kernel and initramfs too. it costs nothing
$FLASHER -m ddr $FLAGS $DEV \
${barebox} 0x0000000 \
${kernel} 0x1000000 \
${initramfs} 0x1800000
# It looks like this does it all. We are done
if $remove_temps; then
rm -rf $WRSTMPDIR
else
echo "Keeping temporary directory: ${WRSTMPDIR}"
fi
fi
echo -e "\n\nDone\n"