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tools/litex_server/pcie: enable pcie device if not already enabledd.

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Avoid having to do it manually or through a driver.
This commit is contained in:
Florent Kermarrec 2020-09-29 13:38:19 +02:00
parent bc5873f78c
commit e4555df095
1 changed files with 6 additions and 0 deletions
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6
litex/tools/litex_server.py
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@ -223,6 +223,12 @@ def main():
exit()
if "/sys/bus/pci/devices" not in pcie_bar:
pcie_bar = f"/sys/bus/pci/devices/0000:{args.pcie_bar}/resource0"
# Enable PCIe device is not already enabled.
enable = open(pcie_bar.replace("resource0", "enable"), "r+")
if enable.read(1) == "0":
enable.seek(0)
enable.write("1")
enable.close()
print("[CommPCIe] bar: {} / ".format(pcie_bar), end="")
comm = CommPCIe(pcie_bar)
elif args.usb: