RGE_ADDR_LO
RGE_WRITE_4(sc, RGE_DTCCR_LO, RGE_ADDR_LO(addr));
RGE_WRITE_4(sc, RGE_DTCCR_LO, RGE_ADDR_LO(addr) | RGE_DTCCR_CMD);
RGE_ADDR_LO(q->q_rx.rge_rx_list_map->dm_segs[0].ds_addr));
RGE_ADDR_LO(q->q_tx.rge_tx_list_map->dm_segs[0].ds_addr));