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authorYunhong Jiang <yunhong.jiang@intel.com>2015-08-04 12:17:53 -0700
committerYunhong Jiang <yunhong.jiang@intel.com>2015-08-04 15:44:42 -0700
commit9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch)
tree1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/arch/cris/include/arch-v32/mach-a3/mach/dma.h
parent98260f3884f4a202f9ca5eabed40b1354c489b29 (diff)
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/arch/cris/include/arch-v32/mach-a3/mach/dma.h')
-rw-r--r--kernel/arch/cris/include/arch-v32/mach-a3/mach/dma.h58
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 */