EDP
bus_space_read_multi_2(sc->sc_bst, sc->sc_bsh, EDP,
*data = bus_space_read_1(sc->sc_bst, sc->sc_bsh, EDP);
bus_space_write_2(bst, bsh, EDP, (uint16_t)len + pad);
bus_space_write_multi_2(bst, bsh, EDP,
bus_space_write_1(bst, bsh, EDP,
bus_space_write_2(bst, bsh, EDP, 0);
bus_space_write_1(bst, bsh, EDP, 0);