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#! /bin/bash
devdir=`ls -d /sys/bus/pci/devices/*/driver/module/drivers/pci:pciDriver`
if [ $? -ne 0 ]; then
echo "Xilinx device doesn't exist, rescanning..."
echo 1 > /sys/bus/pci/rescan
exit
else
device=`echo $devdir | head -n 1 | cut -c 27-33`
echo "Xilinx is located at: " $device
fi
echo "remove devices"
echo 1 > /sys/bus/pci/devices/0000\:${device:0:2}\:${device:3:4}/remove
sleep 1
echo "rescan"
echo 1 > /sys/bus/pci/rescan
sleep 1
echo "remove driver"
rmmod pciDriver
sleep 1
echo "instantiate driver"
modprobe pciDriver
sleep 1
echo "set bus master dma"
dev=$device
echo Enabling bus mastering on device $dev
setpci -s $dev 4.w=0x07
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