TP_INTR
vrpiu_write(sc, PIUINT_REG_W, TP_INTR);
vrip_intr_setmask2(sc->sc_vrip, sc->sc_handler, TP_INTR, 1);
vrip_intr_setmask2(sc->sc_vrip, sc->sc_handler, TP_INTR, 0);
vrpiu_write(sc, PIUINT_REG_W, intrstat & TP_INTR);
vrpiu_write(sc, PIUINT_REG_W, intrstat & TP_INTR);