SA_CONTROL
ctrl = bus_space_read_4(sc->sc_iot, sc->sc_ioh, SA_CONTROL);
bus_space_write_4(sc->sc_iot, sc->sc_ioh, SA_CONTROL,
SA_CONTROL) | SA_CONTROL_PNR;
SA_CONTROL, reg);
SA_CONTROL) | 0x1;
SA_CONTROL, reg);
bus_space_read_4(sc->sc_iot, sc->sc_pci_ioh, SA_CONTROL));
SA_CONTROL) &~ SA_CONTROL_PNR;
SA_CONTROL, reg);