satip-axe/kernel/arch/blackfin/mach-bf527/include/mach/dma.h
2015-03-26 17:24:57 +01:00

39 lines
1.2 KiB
C

/* 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 /* PPI receive/transmit or NFC */
#define CH_EMAC_RX 1 /* Ethernet MAC receive or HOSTDP */
#define CH_EMAC_HOSTDP 1 /* Ethernet MAC receive or HOSTDP */
#define CH_EMAC_TX 2 /* Ethernet MAC transmit or NFC */
#define CH_SPORT0_RX 3 /* SPORT0 receive */
#define CH_SPORT0_TX 4 /* SPORT0 transmit */
#define CH_SPORT1_RX 5 /* SPORT1 receive */
#define CH_SPORT1_TX 6 /* SPORT1 transmit */
#define CH_SPI 7 /* SPI transmit/receive */
#define CH_UART0_RX 8 /* UART0 receive */
#define CH_UART0_TX 9 /* UART0 transmit */
#define CH_UART1_RX 10 /* UART1 receive */
#define CH_UART1_TX 11 /* UART1 transmit */
#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 */
#if defined(CONFIG_BF527_NAND_D_PORTF)
#define CH_NFC CH_PPI /* PPI receive/transmit or NFC */
#elif defined(CONFIG_BF527_NAND_D_PORTH)
#define CH_NFC CH_EMAC_TX /* PPI receive/transmit or NFC */
#endif
#endif