ICD_IPTRn
bus_space_read_1(sc->sc_iot, sc->sc_d_ioh, ICD_IPTRn(0));
bus_space_write_1(sc->sc_iot, sc->sc_d_ioh, ICD_IPTRn(i), 0);
val = bus_space_read_1(sc->sc_iot, sc->sc_d_ioh, ICD_IPTRn(irq));
bus_space_write_1(sc->sc_iot, sc->sc_d_ioh, ICD_IPTRn(irq), val);
ICD_IPTRn(i));
bus_space_read_1(sc->sc_iot, sc->sc_d_ioh, ICD_IPTRn(0));
bus_space_write_1(sc->sc_iot, sc->sc_d_ioh, ICD_IPTRn(i), 0);
val = bus_space_read_1(sc->sc_iot, sc->sc_d_ioh, ICD_IPTRn(irq));
bus_space_write_1(sc->sc_iot, sc->sc_d_ioh, ICD_IPTRn(irq), val);
ICD_IPTRn(i));