gcscpcib_attach
gcscpcib_attach(self, &sc->sc_gcscpcib, pa->pa_iot, GCSCATTACH_NO_WDT);
gcscpcib_attach(self, &sc->sc_gcscpcib, pa->pa_iot, 0);
void gcscpcib_attach(device_t, struct gcscpcib_softc *, bus_space_tag_t, int);