| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 2 | /* |
| Russell King | f40b121 | 2008-11-29 18:48:07 +0000 | [diff] [blame] | 3 | * arch/arm/mach-footbridge/include/mach/isa-dma.h |
| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 4 | * |
| 5 | * Architecture DMA routines |
| 6 | * |
| 7 | * Copyright (C) 1998,1999 Russell King |
| 8 | * Copyright (C) 1998,1999 Philip Blundell |
| 9 | */ |
| 10 | #ifndef __ASM_ARCH_DMA_H |
| 11 | #define __ASM_ARCH_DMA_H |
| 12 | |
| 13 | /* |
| 14 | * The 21285 has two internal DMA channels; we call these 8 and 9. |
| 15 | * On CATS hardware we have an additional eight ISA dma channels |
| 16 | * numbered 0..7. |
| 17 | */ |
| 18 | #define _ISA_DMA(x) (0+(x)) |
| 19 | #define _DC21285_DMA(x) (8+(x)) |
| 20 | |
| 21 | #define MAX_DMA_CHANNELS 10 |
| 22 | |
| 23 | #define DMA_FLOPPY _ISA_DMA(2) |
| 24 | #define DMA_ISA_CASCADE _ISA_DMA(4) |
| 25 | |
| 26 | #endif /* _ASM_ARCH_DMA_H */ |