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merged changes in pcie

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This commit is contained in:
Alex Forencich 2019-08-04 00:39:35 -07:00
commit afbec29b52
1 changed files with 5 additions and 3 deletions
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8
fpga/lib/pcie/scripts/pcie_set_speed.sh
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@ -17,11 +17,13 @@ if [ ! -e "/sys/bus/pci/devices/$dev" ]; then
exit 1
fi
pciec=$(setpci -s $dev CAP_EXP+02.W)
pt=$((("0x$pciec" & 0xF0) >> 4))
port=$(basename $(dirname $(readlink "/sys/bus/pci/devices/$dev")))
if [[ $port != pci* ]]; then
echo "Note: it may be necessary to run this on the corresponding upstream port"
echo "Device $dev is connected to upstream port $port"
if (($pt == 0)) || (($pt == 1)) || (($pt == 5)); then
dev=$port
fi
lc=$(setpci -s $dev CAP_EXP+0c.L)