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#!/bin/sh
#
# Script to attach HCI UART devices on i.MX8MQ EVK/EVKB
#
# NOTE:
# For the most part errors are ignored and the script returns
# 0/success so BlueZ will still be started if the script is somehow
# run on a board without the expected hardware. However, if the
# various probing succeeds and hciattach is run, the script returns
# the resulting exit code if hciattach fails.
COMPAT=/sys/firmware/devicetree/base/compatible
HCITTY=/dev/ttymxc2
PCIDEV=/sys/bus/pci/devices/0000:01:00.0
if [ ! \( -f "$COMPAT" -a -c "$HCITTY" \) ]; then
exit 0
fi
found=false
for c in `cat $COMPAT | tr '\0' ' '`; do
echo "c = $c"
if echo $c | grep -q '^fsl,imx8mq-evk$'; then
found=true
break
fi
done
if ! $found; then
echo "i.MX8MQ EVK not found!"
exit 0
fi
if [ -f "$PCIDEV/vendor" -a -f "$PCIDEV/device" ]; then
vendor=`cat $PCIDEV/vendor`
device=`cat $PCIDEV/device`
fi
rc=0
if [ "$vendor" = "0x14e4" -a "$device" = "0x43ec" ]; then
# Broadcom 5436 on EVKB
hciattach $HCITTY bcm43xx
rc=$?
elif [ "$vendor" = "0x168c" -a "$device" = "0x003e" ]; then
# Qualcomm (nee Atheros) 6174 on EVK
hciattach $HCITTY qualcomm
rc=$?
fi
exit $rc
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