summaryrefslogtreecommitdiffstats
path: root/include/asm-cris/arch-v10/dma.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-cris/arch-v10/dma.h')
-rw-r--r--include/asm-cris/arch-v10/dma.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/include/asm-cris/arch-v10/dma.h b/include/asm-cris/arch-v10/dma.h
new file mode 100644
index 000000000000..9e078b9bc934
--- /dev/null
+++ b/include/asm-cris/arch-v10/dma.h
@@ -0,0 +1,46 @@
+/* Defines for using and allocating dma channels. */
+
+#ifndef _ASM_ARCH_DMA_H
+#define _ASM_ARCH_DMA_H
+
+#define MAX_DMA_CHANNELS 10
+
+/* dma0 and dma1 used for network (ethernet) */
+#define NETWORK_TX_DMA_NBR 0
+#define NETWORK_RX_DMA_NBR 1
+
+/* dma2 and dma3 shared by par0, scsi0, ser2 and ata */
+#define PAR0_TX_DMA_NBR 2
+#define PAR0_RX_DMA_NBR 3
+#define SCSI0_TX_DMA_NBR 2
+#define SCSI0_RX_DMA_NBR 3
+#define SER2_TX_DMA_NBR 2
+#define SER2_RX_DMA_NBR 3
+#define ATA_TX_DMA_NBR 2
+#define ATA_RX_DMA_NBR 3
+
+/* dma4 and dma5 shared by par1, scsi1, ser3 and extdma0 */
+#define PAR1_TX_DMA_NBR 4
+#define PAR1_RX_DMA_NBR 5
+#define SCSI1_TX_DMA_NBR 4
+#define SCSI1_RX_DMA_NBR 5
+#define SER3_TX_DMA_NBR 4
+#define SER3_RX_DMA_NBR 5
+#define EXTDMA0_TX_DMA_NBR 4
+#define EXTDMA0_RX_DMA_NBR 5
+
+/* dma6 and dma7 shared by ser0, extdma1 and mem2mem */
+#define SER0_TX_DMA_NBR 6
+#define SER0_RX_DMA_NBR 7
+#define EXTDMA1_TX_DMA_NBR 6
+#define EXTDMA1_RX_DMA_NBR 7
+#define MEM2MEM_TX_DMA_NBR 6
+#define MEM2MEM_RX_DMA_NBR 7
+
+/* dma8 and dma9 shared by ser1 and usb */
+#define SER1_TX_DMA_NBR 8
+#define SER1_RX_DMA_NBR 9
+#define USB_TX_DMA_NBR 8
+#define USB_RX_DMA_NBR 9
+
+#endif