dmareg
struct dmareg *sc_dmareg; /* pointer to our hardware */
struct dmareg *dma;
#define DMA_ID2 offsetof(struct dmareg, dma_id[2])
dbdma_regmap_t *dmareg = sc->sc_rxdma;
dbdma_reset(dmareg);
dbdma_start(dmareg, sc->sc_rxdmacmd);
dbdma_regmap_t *dmareg = sc->sc_txdma;
dbdma_reset(dmareg);
out32rb(&dmareg->d_cmdptrhi, 0);
out32rb(&dmareg->d_cmdptrlo, kvtop((void *)sc->sc_txdmacmd));
uint32_t dmareg, pioreg;
dmareg =
sq_hpc_write(sc, HPC3_ENETR_DMACFG, dmareg);