1 /* mach/dma.h - arch-specific DMA defines 2 * 3 * Copyright 2004-2008 Analog Devices Inc. 4 * 5 * Licensed under the GPL-2 or later. 6 */ 7 8 #ifndef _MACH_DMA_H_ 9 #define _MACH_DMA_H_ 10 11 #define MAX_DMA_CHANNELS 16 12 13 #define CH_PPI 0 /* PPI receive/transmit or NFC */ 14 #define CH_EMAC_RX 1 /* Ethernet MAC receive or HOSTDP */ 15 #define CH_EMAC_HOSTDP 1 /* Ethernet MAC receive or HOSTDP */ 16 #define CH_EMAC_TX 2 /* Ethernet MAC transmit or NFC */ 17 #define CH_SPORT0_RX 3 /* SPORT0 receive */ 18 #define CH_SPORT0_TX 4 /* SPORT0 transmit */ 19 #define CH_SPORT1_RX 5 /* SPORT1 receive */ 20 #define CH_SPORT1_TX 6 /* SPORT1 transmit */ 21 #define CH_SPI 7 /* SPI transmit/receive */ 22 #define CH_UART0_RX 8 /* UART0 receive */ 23 #define CH_UART0_TX 9 /* UART0 transmit */ 24 #define CH_UART1_RX 10 /* UART1 receive */ 25 #define CH_UART1_TX 11 /* UART1 transmit */ 26 27 #define CH_MEM_STREAM0_DEST 12 /* TX */ 28 #define CH_MEM_STREAM0_SRC 13 /* RX */ 29 #define CH_MEM_STREAM1_DEST 14 /* TX */ 30 #define CH_MEM_STREAM1_SRC 15 /* RX */ 31 32 #if defined(CONFIG_BF527_NAND_D_PORTF) 33 #define CH_NFC CH_PPI /* PPI receive/transmit or NFC */ 34 #elif defined(CONFIG_BF527_NAND_D_PORTH) 35 #define CH_NFC CH_EMAC_TX /* PPI receive/transmit or NFC */ 36 #endif 37 38 #endif 39