IT_LDN
it_writereg(ia->ia_iot, ioh, IT_LDN, IT_EC_LDN);
it_writereg(sc->sc_iot, sc->sc_ioh, IT_LDN, IT_EC_LDN);
it_writereg(sc->sc_iot, sc->sc_ioh, IT_LDN, IT_WDT_LDN);
it_writereg(sc->sc_iot, sc->sc_ioh, IT_LDN, IT_WDT_LDN);