244 	void __iomem	*dregs;		/* DMA controller regs.		*/  member
442 	u32 csr = sbus_readl(lp->dregs + DMA_CSR);  in init_restart_ledma()
446 		while (sbus_readl(lp->dregs + DMA_CSR) & DMA_FIFO_ISDRAIN)  in init_restart_ledma()
450 	csr = sbus_readl(lp->dregs + DMA_CSR);  in init_restart_ledma()
464 	sbus_writel(csr, lp->dregs + DMA_CSR);  in init_restart_ledma()
473 	if (lp->dregs)  in init_restart_lance()
490 		if (lp->dregs)  in init_restart_lance()
491 			printk("dcsr=%8.8x\n", sbus_readl(lp->dregs + DMA_CSR));  in init_restart_lance()
499 	if (lp->dregs) {  in init_restart_lance()
500 		u32 csr = sbus_readl(lp->dregs + DMA_CSR);  in init_restart_lance()
503 		sbus_writel(csr, lp->dregs + DMA_CSR);  in init_restart_lance()
853 		if (lp->dregs) {  in lance_interrupt()
854 			u32 addr = sbus_readl(lp->dregs + DMA_ADDR);  in lance_interrupt()
865 		if (lp->dregs) {  in lance_interrupt()
866 			u32 dma_csr = sbus_readl(lp->dregs + DMA_CSR);  in lance_interrupt()
869 			sbus_writel(dma_csr, lp->dregs + DMA_CSR);  in lance_interrupt()
933 	if (lp->dregs) {  in lance_open()
936 		sbus_writel(regval, lp->dregs + DMA_TEST);  in lance_open()
992 	if (lp->dregs) {  in lance_reset()
996 		csr = sbus_readl(lp->dregs + DMA_CSR);  in lance_reset()
997 		sbus_writel(csr | DMA_RST_ENET, lp->dregs + DMA_CSR);  in lance_reset()
999 		sbus_writel(csr & ~DMA_RST_ENET, lp->dregs + DMA_CSR);  in lance_reset()
1002 		sbus_writel(addr, lp->dregs + DMA_TEST);  in lance_reset()
1158 	if (lp->dregs)  in lance_start_xmit()
1274 	if (lp->dregs) {  in lance_free_hwresources()
1277 		of_iounmap(&ledma->resource[0], lp->dregs,  in lance_free_hwresources()
1352 		lp->dregs = of_ioremap(&ledma->resource[0], 0,  in sparc_lance_probe_one()
1355 		if (!lp->dregs) {  in sparc_lance_probe_one()
1456 		csr = sbus_readl(lp->dregs + DMA_CSR);  in sparc_lance_probe_one()
1457 		sbus_writel(csr | DMA_RST_ENET, lp->dregs + DMA_CSR);  in sparc_lance_probe_one()
1459 		sbus_writel(csr & ~DMA_RST_ENET, lp->dregs + DMA_CSR);  in sparc_lance_probe_one()
1461 		lp->dregs = NULL;  in sparc_lance_probe_one()