SAGPIO_PLR
cr = bus_space_read_4(sc->sc_pc.sc_iot, sc->sc_parent->sc_gpioh, SAGPIO_PLR);
status = bus_space_read_4(ssp->sc_iot, ssp->sc_gpioh, SAGPIO_PLR);
status = bus_space_read_4(ssp->sc_iot, ssp->sc_gpioh, SAGPIO_PLR);
while (bus_space_read_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PLR) & 0x400)
if (bus_space_read_4(ssp->sc_iot, ssp->sc_gpioh, SAGPIO_PLR) & (1<<9)) {
if (bus_space_read_4(ssp->sc_iot, ssp->sc_gpioh, SAGPIO_PLR) & (1<<9)) {
cr = GPIO_READ(sc, SAGPIO_PLR);