1756 	union gmac_dma_ctrl dma_ctrl;  in gmac_start_dma()  local
1758 	dma_ctrl.bits32 = readl(dma_ctrl_reg);  in gmac_start_dma()
1759 	dma_ctrl.bits.rd_enable = 1;  in gmac_start_dma()
1760 	dma_ctrl.bits.td_enable = 1;  in gmac_start_dma()
1761 	dma_ctrl.bits.loopback = 0;  in gmac_start_dma()
1762 	dma_ctrl.bits.drop_small_ack = 0;  in gmac_start_dma()
1763 	dma_ctrl.bits.rd_insert_bytes = NET_IP_ALIGN;  in gmac_start_dma()
1764 	dma_ctrl.bits.rd_prot = HPROT_DATA_CACHE | HPROT_PRIVILIGED;  in gmac_start_dma()
1765 	dma_ctrl.bits.rd_burst_size = HBURST_INCR8;  in gmac_start_dma()
1766 	dma_ctrl.bits.rd_bus = HSIZE_8;  in gmac_start_dma()
1767 	dma_ctrl.bits.td_prot = HPROT_DATA_CACHE;  in gmac_start_dma()
1768 	dma_ctrl.bits.td_burst_size = HBURST_INCR8;  in gmac_start_dma()
1769 	dma_ctrl.bits.td_bus = HSIZE_8;  in gmac_start_dma()
1771 	writel(dma_ctrl.bits32, dma_ctrl_reg);  in gmac_start_dma()
1777 	union gmac_dma_ctrl dma_ctrl;  in gmac_stop_dma()  local
1779 	dma_ctrl.bits32 = readl(dma_ctrl_reg);  in gmac_stop_dma()
1780 	dma_ctrl.bits.rd_enable = 0;  in gmac_stop_dma()
1781 	dma_ctrl.bits.td_enable = 0;  in gmac_stop_dma()
1782 	writel(dma_ctrl.bits32, dma_ctrl_reg);  in gmac_stop_dma()