| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * arch/arm/mach-footbridge/include/mach/isa-dma.h |
| * |
| * Architecture DMA routines |
| * |
| * Copyright (C) 1998,1999 Russell King |
| * Copyright (C) 1998,1999 Philip Blundell |
| */ |
| #ifndef __ASM_ARCH_DMA_H |
| #define __ASM_ARCH_DMA_H |
| |
| /* |
| * The 21285 has two internal DMA channels; we call these 8 and 9. |
| * On CATS hardware we have an additional eight ISA dma channels |
| * numbered 0..7. |
| */ |
| #define _ISA_DMA(x) (0+(x)) |
| #define _DC21285_DMA(x) (8+(x)) |
| |
| #define MAX_DMA_CHANNELS 10 |
| |
| #define DMA_FLOPPY _ISA_DMA(2) |
| #define DMA_ISA_CASCADE _ISA_DMA(4) |
| |
| #endif /* _ASM_ARCH_DMA_H */ |
