INT1_GMAC1
sc->sc_int_select[1] = INT1_GMAC1;
bus_space_write_4(sc->sc_iot, sc->sc_ioh, GMAC_INT1_SELECT, INT1_GMAC1);
sc->sc_int_mask[1] = (sc->sc_port1 ? INT1_GMAC1 : INT1_GMAC0);