GTSDMA_BASE
GTSDMA_BASE(gtmpsc->sc_unit), GTSDMA_SIZE,
error = bus_space_map(iot, base + GTSDMA_BASE(unit), GTSDMA_SIZE, 0,
GTSDMA_BASE(unit), GTSDMA_SIZE, &sc->sc_sdmah)) {
GTSDMA_BASE(unit), GTSDMA_BASE(unit) + GTSDMA_SIZE - 1);