include/asm-arm/arch-arc/dma.h

   1 /*
   2  * linux/include/asm-arm/arch-arc/dma.h
   3  *
   4  * Copyright (C) 1996-1998 Russell King
   5  *
   6  * Acorn Archimedes/A5000 architecture virtual DMA
   7  * implementation
   8  *
   9  * Modifications:
  10  *  04-04-1998  RMK     Merged arc and a5k versions
  11  */
  12 #ifndef __ASM_ARCH_DMA_H
  13 #define __ASM_ARCH_DMA_H
  14
  15 #include <linux/config.h>
  16
  17 #define MAX_DMA_ADDRESS         0x03000000
  18
  19 #ifdef CONFIG_ARCH_ARC
  20 #define MAX_DMA_CHANNELS        3
  21
  22 #define DMA_VIRTUAL_FLOPPY0     0
  23 #define DMA_VIRTUAL_FLOPPY1     1
  24 #define DMA_VIRTUAL_SOUND       2
  25 #endif
  26
  27 #ifdef CONFIG_ARCH_A5K
  28 #define MAX_DMA_CHANNELS        2
  29
  30 #define DMA_VIRTUAL_FLOPPY      0
  31 #define DMA_VIRTUAL_SOUND       1
  32 #define DMA_FLOPPY              DMA_VIRTUAL_FLOPPY
  33 #endif
  34
  35 #endif /* _ASM_ARCH_DMA_H */