hardware.h 1.3 KB

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  1. /*
  2. * linux/include/asm-arm/arch-sa1100/hardware.h
  3. *
  4. * Copyright (C) 1998 Nicolas Pitre <nico@cam.org>
  5. *
  6. * This file contains the hardware definitions for SA1100 architecture
  7. *
  8. * 2000/05/23 John Dorsey <john+@cs.cmu.edu>
  9. * Definitions for SA1111 added.
  10. */
  11. #ifndef __ASM_ARCH_HARDWARE_H
  12. #define __ASM_ARCH_HARDWARE_H
  13. #define UNCACHEABLE_ADDR 0xfa050000
  14. /*
  15. * SA1100 internal I/O mappings
  16. *
  17. * We have the following mapping:
  18. * phys virt
  19. * 80000000 f8000000
  20. * 90000000 fa000000
  21. * a0000000 fc000000
  22. * b0000000 fe000000
  23. */
  24. #define VIO_BASE 0xf8000000 /* virtual start of IO space */
  25. #define VIO_SHIFT 3 /* x = IO space shrink power */
  26. #define PIO_START 0x80000000 /* physical start of IO space */
  27. #define io_p2v( x ) \
  28. ( (((x)&0x00ffffff) | (((x)&0x30000000)>>VIO_SHIFT)) + VIO_BASE )
  29. #define io_v2p( x ) \
  30. ( (((x)&0x00ffffff) | (((x)&(0x30000000>>VIO_SHIFT))<<VIO_SHIFT)) + PIO_START )
  31. #ifndef __ASSEMBLY__
  32. # define __REG(x) (*((volatile unsigned long *)io_p2v(x)))
  33. # define __PREG(x) (io_v2p((unsigned long)&(x)))
  34. #else
  35. # define __REG(x) io_p2v(x)
  36. # define __PREG(x) io_v2p(x)
  37. #endif
  38. #include "SA-1100.h"
  39. #ifdef CONFIG_SA1101
  40. #include "SA-1101.h"
  41. #endif
  42. #endif /* _ASM_ARCH_HARDWARE_H */