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

   1 /*
   2  *  linux/include/asm-arm/arch-rpc/dma.h
   3  *
   4  *  Copyright (C) 1997 Russell King
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10 #ifndef __ASM_ARCH_DMA_H
  11 #define __ASM_ARCH_DMA_H
  12
  13 /*
  14  * This is the maximum DMA address that can be DMAd to.
  15  * There should not be more than (0xd0000000 - 0xc0000000)
  16  * bytes of RAM.
  17  */
  18 #define MAX_DMA_ADDRESS         0xd0000000
  19 #define MAX_DMA_CHANNELS        8
  20
  21 #define DMA_0                   0
  22 #define DMA_1                   1
  23 #define DMA_2                   2
  24 #define DMA_3                   3
  25 #define DMA_S0                  4
  26 #define DMA_S1                  5
  27 #define DMA_VIRTUAL_FLOPPY      6
  28 #define DMA_VIRTUAL_SOUND       7
  29
  30 #define DMA_FLOPPY              DMA_VIRTUAL_FLOPPY
  31
  32 #endif /* _ASM_ARCH_DMA_H */
  33