SIOP_SXFER
writeb(addr + SIOP_SXFER, 0);
writeb(addr + SIOP_SXFER, 0);
SIOP_SXFER),
bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_SXFER, 0);
bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_SXFER,
bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_SXFER,