GTMPSC_SIZE
bus_space_unmap(gtmpsc->sc_iot, gtmpsc->sc_mpsch, GTMPSC_SIZE);
GTMPSC_BASE(gtmpsc->sc_unit), GTMPSC_SIZE,
error = bus_space_map(iot, base + GTMPSC_BASE(unit), GTMPSC_SIZE, 0,
bus_space_unmap(iot, sc->sc_mpsch, GTMPSC_SIZE);
mva->mva_size = GTMPSC_SIZE;