diff options
Diffstat (limited to 'arch/blackfin/mach-bf527/include/mach/dma.h')
| -rw-r--r-- | arch/blackfin/mach-bf527/include/mach/dma.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf527/include/mach/dma.h b/arch/blackfin/mach-bf527/include/mach/dma.h new file mode 100644 index 000000000..eb287da10 --- /dev/null +++ b/arch/blackfin/mach-bf527/include/mach/dma.h @@ -0,0 +1,38 @@ +/* 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 |