EDMA_TYPE_DMA
ch->ch_type = EDMA_TYPE_DMA;
KASSERT(type == EDMA_TYPE_DMA); /* QDMA not implemented */
sc->sc_edma_tx = edma_channel_alloc(EDMA_TYPE_DMA, tx_chan,
sc->sc_edma_rx = edma_channel_alloc(EDMA_TYPE_DMA, rx_chan,