1 files changed, 58 insertions, 0 deletions
diff --git a/kernel/arch/cris/include/arch-v32/mach-a3/mach/dma.h b/kernel/arch/cris/include/arch-v32/mach-a3/mach/dma.h
new file mode 100644
index 000000000..f01dca1ad
--- /dev/null
+++ b/kernel/arch/cris/include/arch-v32/mach-a3/mach/dma.h
@@ -0,0 +1,58 @@
+#ifndef _ASM_ARCH_CRIS_DMA_H
+#define _ASM_ARCH_CRIS_DMA_H
+
+/* Defines for using and allocating dma channels. */
+
+#define MAX_DMA_CHANNELS	12 /* 8 and 10 not used. */
+
+#define NETWORK_ETH_TX_DMA_NBR 0        /* Ethernet 0 out. */
+#define NETWORK_ETH_RX_DMA_NBR 1        /* Ethernet 0 in. */
+
+#define IO_PROC_DMA_TX_DMA_NBR 4        /* IO processor DMA0 out. */
+#define IO_PROC_DMA_RX_DMA_NBR 5        /* IO processor DMA0 in. */
+
+#define ASYNC_SER3_TX_DMA_NBR 2         /* Asynchronous serial port 3 out. */
+#define ASYNC_SER3_RX_DMA_NBR 3         /* Asynchronous serial port 3 in. */
+
+#define ASYNC_SER2_TX_DMA_NBR 6         /* Asynchronous serial port 2 out. */
+#define ASYNC_SER2_RX_DMA_NBR 7         /* Asynchronous serial port 2 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_SER_TX_DMA_NBR 6           /* Synchronous serial port 0 out. */
+#define SYNC_SER_RX_DMA_NBR 7           /* Synchronous serial port 0 in. */
+
+#define ASYNC_SER0_TX_DMA_NBR 0         /* Asynchronous serial port 0 out. */
+#define ASYNC_SER0_RX_DMA_NBR 1         /* Asynchronous serial port 0 in. */
+
+#define STRCOP_TX_DMA_NBR 2             /* Stream co-processor out. */
+#define STRCOP_RX_DMA_NBR 3             /* Stream co-processor in. */
+
+#define dma_eth0 dma_eth
+#define dma_eth1 dma_eth
+
+enum dma_owner {
+	dma_eth,
+	dma_ser0,
+	dma_ser1,
+	dma_ser2,
+	dma_ser3,
+	dma_ser4,
+	dma_iop,
+	dma_sser,
+	dma_strp,
+	dma_h264,
+	dma_jpeg
+};
+
+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 */