1. 根目录:
2. arch
3. blackfin
4. mach-bf537
5. include
6. mach
7. dma.h

/* mach/dma.h - arch-specific DMA defines
 *
 * Copyright 2004-2008 Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
 */

#ifndef _MACH_DMA_H_
#define _MACH_DMA_H_

#define MAX_DMA_CHANNELS 16

#define CH_PPI 			    0
#define CH_EMAC_RX 		    1
#define CH_EMAC_TX 		    2
#define CH_SPORT0_RX 		3
#define CH_SPORT0_TX 		4
#define CH_SPORT1_RX 		5
#define CH_SPORT1_TX 		6
#define CH_SPI 			    7
#define CH_UART0_RX 		8
#define CH_UART0_TX 		9
#define CH_UART1_RX 		10
#define CH_UART1_TX 		11

#define CH_MEM_STREAM0_DEST	12	 /* TX */
#define CH_MEM_STREAM0_SRC  	13	 /* RX */
#define CH_MEM_STREAM1_DEST	14	 /* TX */
#define CH_MEM_STREAM1_SRC 	15	 /* RX */

#endif