dma.h 769 B

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  1. /*
  2. * arch/arm/mach-rpc/include/mach/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. * This is the maximum DMA address that can be DMAd to.
  14. * There should not be more than (0xd0000000 - 0xc0000000)
  15. * bytes of RAM.
  16. */
  17. #define MAX_DMA_ADDRESS 0xd0000000
  18. #define MAX_DMA_CHANNELS 8
  19. #define DMA_0 0
  20. #define DMA_1 1
  21. #define DMA_2 2
  22. #define DMA_3 3
  23. #define DMA_S0 4
  24. #define DMA_S1 5
  25. #define DMA_VIRTUAL_FLOPPY 6
  26. #define DMA_VIRTUAL_SOUND 7
  27. #define DMA_FLOPPY DMA_VIRTUAL_FLOPPY
  28. #endif /* _ASM_ARCH_DMA_H */