SAGPIO_EDR
bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_EDR, 0xffffffff);
bus_space_write_4(ssp->sc_iot, ssp->sc_gpioh, SAGPIO_EDR, 1);
bus_space_write_4(ssp->sc_iot, ssp->sc_gpioh, SAGPIO_EDR, 1 << 9);
SAGPIO_EDR, sc->sc_gpiomask);