i386/linux/linux-2.3.21/include/asm-arm/arch-rpc/dma.h

   1 #ifndef __ASM_ARCH_DMA_H
   2 #define __ASM_ARCH_DMA_H
   3
   4 /*
   5  * This is the maximum DMA address that can be DMAd to.
   6  * There should not be more than (0xd0000000 - 0xc0000000)
   7  * bytes of RAM.
   8  */
   9 #define MAX_DMA_ADDRESS         0xd0000000
  10 #define MAX_DMA_CHANNELS        8
  11
  12 #define DMA_0                   0
  13 #define DMA_1                   1
  14 #define DMA_2                   2
  15 #define DMA_3                   3
  16 #define DMA_S0                  4
  17 #define DMA_S1                  5
  18 #define DMA_VIRTUAL_FLOPPY      6
  19 #define DMA_VIRTUAL_SOUND       7
  20
  21 #define DMA_FLOPPY              DMA_VIRTUAL_FLOPPY
  22
  23 #endif /* _ASM_ARCH_DMA_H */
  24