PS711X_SYSCON
bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, PS711X_SYSCON)
bus_space_write_4((sc)->sc_iot, (sc)->sc_ioh, PS711X_SYSCON, (val))
syscon = bus_space_read_4(sc->sc_iot, sc->sc_ioh, PS711X_SYSCON);
bus_space_write_4(sc->sc_iot, sc->sc_ioh, PS711X_SYSCON,
#define SYSCON (*((volatile uint32_t *)(ARM7XX_INTRREG_VBASE + PS711X_SYSCON)))
if (bus_space_subregion(iot, ioh, PS711X_SYSCON, sizeof(uint32_t),