2 @"Buses & Interconnects"
5 """ System/platform bus interface """
8 def pci_enable() -> bool:
9 """ Peripheral Component Interconnect (PCI) Bus """
13 def pcie_ext() -> bool:
14 """ Enable support of PCI-Express extension """
20 def pci_pmio() -> bool:
21 """ Use port-mapped I/O interface for controlling PCI """
22 require(not pcie_ext and pci_enable)