mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-16 16:54:20 +08:00
26 lines
572 B
C
26 lines
572 B
C
/*
|
|
* linux/include/asm-arm/arch-ebsa285/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 */
|