1 files changed, 79 insertions, 0 deletions
diff --git a/arch/cris/include/arch-v32/arch/dma.h b/arch/cris/include/arch-v32/arch/dma.h
new file mode 100644
index 000000000000..3674081389fd
--- /dev/null
+++ b/arch/cris/include/arch-v32/arch/dma.h
@@ -0,0 +1,79 @@
+#ifndef _ASM_ARCH_CRIS_DMA_H
+#define _ASM_ARCH_CRIS_DMA_H
+
+/* Defines for using and allocating dma channels. */
+
+#define MAX_DMA_CHANNELS	10
+
+#define NETWORK_ETH0_TX_DMA_NBR 0	/* Ethernet 0 out. */
+#define NETWORK_ETH0 RX_DMA_NBR 1	/* Ethernet 0 in. */
+
+#define IO_PROC_DMA0_TX_DMA_NBR 2	/* IO processor DMA0 out. */
+#define IO_PROC_DMA0_RX_DMA_NBR 3	/* IO processor DMA0 in. */
+
+#define ATA_TX_DMA_NBR 2		/* ATA interface out. */
+#define ATA_RX_DMA_NBR 3		/* ATA interface in. */
+
+#define ASYNC_SER2_TX_DMA_NBR 2		/* Asynchronous serial port 2 out. */
+#define ASYNC_SER2_RX_DMA_NBR 3		/* Asynchronous serial port 2 in. */
+
+#define IO_PROC_DMA1_TX_DMA_NBR 4	/* IO processor DMA1 out. */
+#define IO_PROC_DMA1_RX_DMA_NBR 5	/* IO processor DMA1 in. */
+
+#define ASYNC_SER1_TX_DMA_NBR 4		/* Asynchronous serial port 1 out. */
+#define ASYNC_SER1_RX_DMA_NBR 5		/* Asynchronous serial port 1 in. */
+
+#define SYNC_SER0_TX_DMA_NBR 4		/* Synchronous serial port 0 out. */
+#define SYNC_SER0_RX_DMA_NBR 5		/* Synchronous serial port 0 in. */
+
+#define EXTDMA0_TX_DMA_NBR 6		/* External DMA 0 out. */
+#define EXTDMA1_RX_DMA_NBR 7		/* External DMA 1 in. */
+
+#define ASYNC_SER0_TX_DMA_NBR 6		/* Asynchronous serial port 0 out. */
+#define ASYNC_SER0_RX_DMA_NBR 7		/* Asynchronous serial port 0 in. */
+
+#define SYNC_SER1_TX_DMA_NBR 6		/* Synchronous serial port 1 out. */
+#define SYNC_SER1_RX_DMA_NBR 7		/* Synchronous serial port 1 in. */
+
+#define NETWORK_ETH1_TX_DMA_NBR 6	/* Ethernet 1 out. */
+#define NETWORK_ETH1_RX_DMA_NBR 7	/* Ethernet 1 in. */
+
+#define EXTDMA2_TX_DMA_NBR 8		/* External DMA 2 out. */
+#define EXTDMA3_RX_DMA_NBR 9		/* External DMA 3 in. */
+
+#define STRCOP_TX_DMA_NBR 8		/* Stream co-processor out. */
+#define STRCOP_RX_DMA_NBR 9		/* Stream co-processor in. */
+
+#define ASYNC_SER3_TX_DMA_NBR 8		/* Asynchronous serial port 3 out. */
+#define ASYNC_SER3_RX_DMA_NBR 9		/* Asynchronous serial port 3 in. */
+
+enum dma_owner
+{
+  dma_eth0,
+  dma_eth1,
+  dma_iop0,
+  dma_iop1,
+  dma_ser0,
+  dma_ser1,
+  dma_ser2,
+  dma_ser3,
+  dma_sser0,
+  dma_sser1,
+  dma_ata,
+  dma_strp,
+  dma_ext0,
+  dma_ext1,
+  dma_ext2,
+  dma_ext3
+};
+
+int crisv32_request_dma(unsigned int dmanr, const char * device_id,
+                        unsigned options, unsigned bandwidth, enum dma_owner owner);
+void crisv32_free_dma(unsigned int dmanr);
+
+/* Masks used by crisv32_request_dma options: */
+#define DMA_VERBOSE_ON_ERROR 1
+#define DMA_PANIC_ON_ERROR (2|DMA_VERBOSE_ON_ERROR)
+#define DMA_INT_MEM 4
+
+#endif /* _ASM_ARCH_CRIS_DMA_H */