GT_SDMA_WRITE
GT_SDMA_WRITE(sc, SDMA_SDCM, sdcm | SDMA_SDCM_TXD);
GT_SDMA_WRITE(sc, SDMA_SDCM, SDMA_SDCM_AR | SDMA_SDCM_STD);
GT_SDMA_WRITE(sc, SDMA_SCTDP, sc->sc_txdma_map->dm_segs->ds_addr);
GT_SDMA_WRITE(sc, SDMA_SFTDP, sc->sc_txdma_map->dm_segs->ds_addr);
GT_SDMA_WRITE(sc, SDMA_SCRDP, sc->sc_rxdma_map->dm_segs->ds_addr);
GT_SDMA_WRITE(sc, SDMA_SDC,
GT_SDMA_WRITE(sc, SDMA_SDCM, SDMA_SDCM_AR);
GT_SDMA_WRITE(sc, SDMA_SDCM, SDMA_SDCM_ERD);
GT_SDMA_WRITE(sc, SDMA_SDCM, SDMA_SDCM_TXD);
GT_SDMA_WRITE(sc, SDMA_SDCM, SDMA_SDCM_ERD);