GEMINI_LPCHC_CSR
r = bus_space_read_4(sc->sc_iot, sc->sc_ioh, GEMINI_LPCHC_CSR);
bus_space_write_4(sc->sc_iot, sc->sc_ioh, GEMINI_LPCHC_CSR, r);
r = bus_space_read_4(iot, lpchc_ioh, GEMINI_LPCHC_CSR);
bus_space_write_4(iot, lpchc_ioh, GEMINI_LPCHC_CSR, r);