include/asm-arm/arch-h720x/dma.h

   1 /*
   2  * linux/include/asm-arm/arch-h720x/dma.h
   3  *
   4  * Architecture DMA routes
   5  *
   6  * Copyright (C) 1997.1998 Russell King
   7  */
   8 #ifndef __ASM_ARCH_DMA_H
   9 #define __ASM_ARCH_DMA_H
  10
  11 /*
  12  * This is the maximum DMA address that can be DMAd to.
  13  * There should not be more than (0xd0000000 - 0xc0000000)
  14  * bytes of RAM.
  15  */
  16 #define MAX_DMA_ADDRESS         0xd0000000
  17
  18 #if defined (CONFIG_CPU_H7201)
  19 #define MAX_DMA_CHANNELS        3
  20 #elif defined (CONFIG_CPU_H7202)
  21 #define MAX_DMA_CHANNELS        4
  22 #else
  23 #error processor definition missmatch
  24 #endif
  25
  26 #endif /* __ASM_ARCH_DMA_H */