diff options
Diffstat (limited to 'include/asm-arm/arch-ebsa285/dma.h')
-rw-r--r-- | include/asm-arm/arch-ebsa285/dma.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ebsa285/dma.h b/include/asm-arm/arch-ebsa285/dma.h new file mode 100644 index 000000000000..c43046eb8bc7 --- /dev/null +++ b/include/asm-arm/arch-ebsa285/dma.h | |||
@@ -0,0 +1,30 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/arch-ebsa285/dma.h | ||
3 | * | ||
4 | * Architecture DMA routines | ||
5 | * | ||
6 | * Copyright (C) 1998,1999 Russell King | ||
7 | * Copyright (C) 1998,1999 Philip Blundell | ||
8 | */ | ||
9 | #ifndef __ASM_ARCH_DMA_H | ||
10 | #define __ASM_ARCH_DMA_H | ||
11 | |||
12 | /* | ||
13 | * This is the maximum DMA address that can be DMAd to. | ||
14 | */ | ||
15 | #define MAX_DMA_ADDRESS 0xffffffff | ||
16 | |||
17 | /* | ||
18 | * The 21285 has two internal DMA channels; we call these 8 and 9. | ||
19 | * On CATS hardware we have an additional eight ISA dma channels | ||
20 | * numbered 0..7. | ||
21 | */ | ||
22 | #define _ISA_DMA(x) (0+(x)) | ||
23 | #define _DC21285_DMA(x) (8+(x)) | ||
24 | |||
25 | #define MAX_DMA_CHANNELS 10 | ||
26 | |||
27 | #define DMA_FLOPPY _ISA_DMA(2) | ||
28 | #define DMA_ISA_CASCADE _ISA_DMA(4) | ||
29 | |||
30 | #endif /* _ASM_ARCH_DMA_H */ | ||