[net-next-2.6.git] / include / asm-arm / arch-ebsa285 / dma.h

/*
 *  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

/*
 * This is the maximum DMA address that can be DMAd to.
 */
#define MAX_DMA_ADDRESS		0xffffffff

/*
 * 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 */
Commit	Line	Data
1da177e4 LT	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 */