RA_TIMER_1_CNTRL
bus_space_write_4(sc->sc_memt, memh, RA_TIMER_1_CNTRL, 0);
bus_space_write_4(sc->sc_memt, sc->sc_memh, RA_TIMER_1_CNTRL, 0);
bus_space_write_4(sc->sc_memt, sc->sc_memh, RA_TIMER_1_CNTRL,