MMCR_ADDDECCTL
adddecctl = bus_space_read_1(sc->sc_memt, sc->sc_memh, MMCR_ADDDECCTL);
bus_space_write_1(sc->sc_memt, sc->sc_memh, MMCR_ADDDECCTL, adddecctl);
elansc_print_1(self, sc, MMCR_ADDDECCTL);
adddecctl = bus_space_read_1(sc->sc_memt, sc->sc_memh, MMCR_ADDDECCTL);
bus_space_write_1(sc->sc_memt, sc->sc_memh, MMCR_ADDDECCTL, adddecctl);