at91_rtt.h 1.3 KB

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  1. /*
  2. * include/asm-arm/arch-at91/at91_rtt.h
  3. *
  4. * Real-time Timer (RTT) - 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_RTT_H
  13. #define AT91_RTT_H
  14. #define AT91_RTT_MR (AT91_RTT + 0x00) /* Real-time Mode Register */
  15. #define AT91_RTT_RTPRES (0xffff << 0) /* Real-time Timer Prescaler Value */
  16. #define AT91_RTT_ALMIEN (1 << 16) /* Alarm Interrupt Enable */
  17. #define AT91_RTT_RTTINCIEN (1 << 17) /* Real Time Timer Increment Interrupt Enable */
  18. #define AT91_RTT_RTTRST (1 << 18) /* Real Time Timer Restart */
  19. #define AT91_RTT_AR (AT91_RTT + 0x04) /* Real-time Alarm Register */
  20. #define AT91_RTT_ALMV (0xffffffff) /* Alarm Value */
  21. #define AT91_RTT_VR (AT91_RTT + 0x08) /* Real-time Value Register */
  22. #define AT91_RTT_CRTV (0xffffffff) /* Current Real-time Value */
  23. #define AT91_RTT_SR (AT91_RTT + 0x0c) /* Real-time Status Register */
  24. #define AT91_RTT_ALMS (1 << 0) /* Real-time Alarm Status */
  25. #define AT91_RTT_RTTINC (1 << 1) /* Real-time Timer Increment */
  26. #endif