at91_wdt.h 1.3 KB

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  1. /*
  2. * include/asm-arm/arch-at91/at91_wdt.h
  3. *
  4. * Watchdog Timer (WDT) - 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_WDT_H
  13. #define AT91_WDT_H
  14. #define AT91_WDT_CR (AT91_WDT + 0x00) /* Watchdog Control Register */
  15. #define AT91_WDT_WDRSTT (1 << 0) /* Restart */
  16. #define AT91_WDT_KEY (0xff << 24) /* KEY Password */
  17. #define AT91_WDT_MR (AT91_WDT + 0x04) /* Watchdog Mode Register */
  18. #define AT91_WDT_WDV (0xfff << 0) /* Counter Value */
  19. #define AT91_WDT_WDFIEN (1 << 12) /* Fault Interrupt Enable */
  20. #define AT91_WDT_WDRSTEN (1 << 13) /* Reset Processor */
  21. #define AT91_WDT_WDRPROC (1 << 14) /* Timer Restart */
  22. #define AT91_WDT_WDDIS (1 << 15) /* Watchdog Disable */
  23. #define AT91_WDT_WDD (0xfff << 16) /* Delta Value */
  24. #define AT91_WDT_WDDBGHLT (1 << 28) /* Debug Halt */
  25. #define AT91_WDT_WDIDLEHLT (1 << 29) /* Idle Halt */
  26. #define AT91_WDT_SR (AT91_WDT + 0x08) /* Watchdog Status Register */
  27. #define AT91_WDT_WDUNF (1 << 0) /* Watchdog Underflow */
  28. #define AT91_WDT_WDERR (1 << 1) /* Watchdog Error */
  29. #endif