SIOP_STEST1
writeb(addr + SIOP_STEST1, STEST1_SCLK);
bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_STEST1,
bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_STEST1,
bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_STEST1, 0);
stest1 = bus_space_read_4(sc->sc_rt, sc->sc_rh, SIOP_STEST1);
bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_STEST1, stest1);