at91_pit.h 1.1 KB

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  1. /*
  2. * include/asm-arm/arch-at91/at91_pit.h
  3. *
  4. * Periodic Interval Timer (PIT) - System peripherals regsters.
  5. * Based on AT91SAM9261 datasheet revision D.
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License as published by
  9. * the Free Software Foundation; either version 2 of the License, or
  10. * (at your option) any later version.
  11. */
  12. #ifndef AT91_PIT_H
  13. #define AT91_PIT_H
  14. #define AT91_PIT_MR (AT91_PIT + 0x00) /* Mode Register */
  15. #define AT91_PIT_PITIEN (1 << 25) /* Timer Interrupt Enable */
  16. #define AT91_PIT_PITEN (1 << 24) /* Timer Enabled */
  17. #define AT91_PIT_PIV (0xfffff) /* Periodic Interval Value */
  18. #define AT91_PIT_SR (AT91_PIT + 0x04) /* Status Register */
  19. #define AT91_PIT_PITS (1 << 0) /* Timer Status */
  20. #define AT91_PIT_PIVR (AT91_PIT + 0x08) /* Periodic Interval Value Register */
  21. #define AT91_PIT_PIIR (AT91_PIT + 0x0c) /* Periodic Interval Image Register */
  22. #define AT91_PIT_PICNT (0xfff << 20) /* Interval Counter */
  23. #define AT91_PIT_CPIV (0xfffff) /* Inverval Value */
  24. #endif