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sidekiqz2: add support for new board
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This patch adds support for the Sidekiq Z2 board from Epiq Solutions.

It's a copy of Pluto with some adaptations inspired from M2k.
Seems that M2k re-uses some Pluto parts.
The same thing has been done for SidekiqZ2 to avoid some code duplication.

The `msd` folder [which contains files that will be mounted on the user's
system] contains only some stub files that may be modified later.

Signed-off-by: Alexandru Ardelean <[email protected]>
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commodo committed Feb 23, 2018
1 parent a8fcddf commit 33f2ba4
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144 changes: 144 additions & 0 deletions board/sidekiqz2/S23udc
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#!/bin/sh

source /etc/device_config

CONFIGFS=/sys/kernel/config/usb_gadget
GADGET=$CONFIGFS/composite_gadget
IIOD_OPTS="-D -n $ENDPOINTS -F /dev/iio_ffs"
UDC_HANDLE_SUSPEND=`fw_printenv -n udc_handle_suspend 2> /dev/null || echo 0`

create_iiod_context_attributes() {
model=$1
serial=$2
model_variant=$3

echo "[Context Attributes]" > /etc/libiio.ini
echo "hw_model=$model" >> /etc/libiio.ini

if [ "$model_variant" == "n25q256a" ]
then
echo "hw_model_variant=0" >> /etc/libiio.ini
else
echo "hw_model_variant=1" >> /etc/libiio.ini
fi

echo -e "hw_serial=$serial\n" >> /etc/libiio.ini
echo "fw_version=`grep device-fw /opt/VERSIONS | cut -d ' ' -f 2`" >> /etc/libiio.ini
if [ "$USBPID" == "0x5a32" ]; then
for dev in /sys/bus/iio/devices/*; do
[ `cat ${dev}/name` == "ad9361-phy" ] && DEV_NAME=`basename ${dev}`
done

echo ad9361-phy,xo_correction=`cat /sys/bus/iio/devices/${DEV_NAME}/xo_correction` >> /etc/libiio.ini
echo ad9361-phy,model=`cat /sys/bus/iio/devices/${DEV_NAME}/of_node/compatible` | sed 's/adi,//g' >> /etc/libiio.ini
fi
}

case "$1" in
start)
echo -n "Starting UDC Gadgets: "
mount configfs -t configfs /sys/kernel/config 2> /dev/null

mkdir -p $GADGET

model=`cat /sys/firmware/devicetree/base/model | tr / -`
model_variant=`dmesg | grep m25p80 | grep Kbytes | cut -d ' ' -f 3`

serial=`dmesg | grep SPI-NOR-UniqueID`
serial=${serial#*SPI-NOR-UniqueID }

create_iiod_context_attributes "$model" "$serial" "$model_variant"

echo $serial > /etc/serial
sha1=`echo $serial | sha1sum`

echo 0x0456 > $GADGET/idVendor
echo $USBPID > $GADGET/idProduct

mkdir -p $GADGET/strings/0x409
echo "Epiq Solutions" > $GADGET/strings/0x409/manufacturer
echo $PRODUCT > $GADGET/strings/0x409/product
echo $serial > $GADGET/strings/0x409/serialnumber

mkdir -p $GADGET/functions/ffs.iio_ffs
mkdir -p $GADGET/functions/acm.usb0
mkdir -p $GADGET/functions/rndis.0
mkdir -p $GADGET/functions/mass_storage.0

# echo /opt/vfat.img > $GADGET/functions/mass_storage.0/lun.0/file
echo Y > $GADGET/functions/mass_storage.0/lun.0/removable

host_addr=`echo -n 00:E0:22; echo $sha1 | dd bs=1 count=6 2>/dev/null | hexdump -v -e '/1 ":%01c""%c"'`
dev_addr=`echo -n 00:05:F7; echo $sha1 | dd bs=1 count=6 skip=6 2>/dev/null | hexdump -v -e '/1 ":%01c""%c"'`

echo $host_addr > $GADGET/functions/rndis.0/host_addr
echo $dev_addr > $GADGET/functions/rndis.0/dev_addr

mkdir -p $GADGET/configs/c.1
mkdir -p $GADGET/configs/c.1/strings/0x409
echo "RNDIS/MSD/ACM/IIOUSBD" > $GADGET/configs/c.1/strings/0x409/configuration
echo 500 > $GADGET/configs/c.1/MaxPower

ln -s $GADGET/functions/rndis.0 $GADGET/configs/c.1
ln -s $GADGET/functions/mass_storage.0 $GADGET/configs/c.1
ln -s $GADGET/functions/acm.usb0 $GADGET/configs/c.1
ln -s $GADGET/functions/ffs.iio_ffs $GADGET/configs/c.1/ffs.iio_ffs

mkdir -p /dev/iio_ffs
mount iio_ffs -t functionfs /dev/iio_ffs 2> /dev/null

start-stop-daemon -S -b -q -m -p /var/run/iiod.pid -x /usr/sbin/iiod -- $IIOD_OPTS
sleep 0.2

echo ci_hdrc.0 > $GADGET/UDC

[ $? = 0 ] && echo "OK" || echo "FAIL"

if [ "$UDC_HANDLE_SUSPEND" == "1" ]; then
start-stop-daemon -S -b -q -m -p /var/run/udc_handle_suspend.pid -x /sbin/udc_handle_suspend.sh
fi

;;
stop)
echo "Stopping UDC Gadgets"

if [ "$UDC_HANDLE_SUSPEND" == "1" ]; then
start-stop-daemon -K -q -p /var/run/udc_handle_suspend.pid 2>/dev/null
fi

echo "" > $GADGET/UDC
start-stop-daemon -K -q -p /var/run/iiod.pid 2>/dev/null

rm $GADGET/configs/c.1/rndis.0
rm $GADGET/configs/c.1/mass_storage.0
rm $GADGET/configs/c.1/acm.usb0
rm $GADGET/configs/c.1/ffs.iio_ffs

rmdir $GADGET/strings/0x409
rmdir $GADGET/configs/c.1/strings/0x409
rmdir $GADGET/configs/c.1

rmdir $GADGET/functions/ffs.iio_ffs
#rmdir $GADGET/functions/acm.usb0
rmdir $GADGET/functions/rndis.0
rmdir $GADGET/functions/mass_storage.0

rmdir $GADGET 2> /dev/null

;;
restart|reload)
"$0" stop
"$0" start
;;
*)
echo "Usage: $0 {start|stop|restart}"
exit 1
esac

exit $?






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