pci_cfgenable
port = pci_cfgenable(bus, slot, func, reg, bytes);
port = pci_cfgenable(bus, slot, func, reg, bytes);
port = pci_cfgenable(bus, slot, func, reg, bytes);
port = pci_cfgenable(bus, slot, func, reg, bytes);
port = pci_cfgenable(0, device, 0, 0, 4);
port = pci_cfgenable(0, device, 0, 8, 4);
port = pci_cfgenable(0, device, 0, 14, 1);