io.h 736 B

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  1. /*
  2. * arch/arm/mach-footbridge/include/mach/io.h
  3. *
  4. * Copyright (C) 1997-1999 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. * Modifications:
  11. * 06-12-1997 RMK Created.
  12. * 07-04-1999 RMK Major cleanup
  13. */
  14. #ifndef __ASM_ARM_ARCH_IO_H
  15. #define __ASM_ARM_ARCH_IO_H
  16. #ifdef CONFIG_MMU
  17. #define MMU_IO(a, b) (a)
  18. #else
  19. #define MMU_IO(a, b) (b)
  20. #endif
  21. #define PCIO_SIZE 0x00100000
  22. #define PCIO_BASE MMU_IO(0xff000000, 0x7c000000)
  23. /*
  24. * Translation of various region addresses to virtual addresses
  25. */
  26. #define __io(a) ((void __iomem *)(PCIO_BASE + (a)))
  27. #endif