at91_rtc.h 2.9 KB

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  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * Copyright (C) 2005 Ivan Kokshaysky
  4. * Copyright (C) SAN People
  5. *
  6. * Real Time Clock (RTC) - System peripheral registers.
  7. * Based on AT91RM9200 datasheet revision E.
  8. */
  9. #ifndef AT91_RTC_H
  10. #define AT91_RTC_H
  11. /* Control Register */
  12. #define AT91_RTC_CR (ATMEL_BASE_RTC + 0x00)
  13. #define AT91_RTC_UPDTIM (1 << 0) /* Update Request Time */
  14. #define AT91_RTC_UPDCAL (1 << 1) /* Update Request Calendar */
  15. #define AT91_RTC_TIMEVSEL (3 << 8) /* Time Event Selection */
  16. #define AT91_RTC_TIMEVSEL_MINUTE (0 << 8)
  17. #define AT91_RTC_TIMEVSEL_HOUR (1 << 8)
  18. #define AT91_RTC_TIMEVSEL_DAY24 (2 << 8)
  19. #define AT91_RTC_TIMEVSEL_DAY12 (3 << 8)
  20. #define AT91_RTC_CALEVSEL (3 << 16) /* Calendar Event Selection */
  21. #define AT91_RTC_CALEVSEL_WEEK (0 << 16)
  22. #define AT91_RTC_CALEVSEL_MONTH (1 << 16)
  23. #define AT91_RTC_CALEVSEL_YEAR (2 << 16)
  24. #define AT91_RTC_MR (ATMEL_BASE_RTC + 0x04) /* Mode Register */
  25. #define AT91_RTC_HRMOD (1 << 0) /* 12/24 Hour Mode */
  26. #define AT91_RTC_TIMR (ATMEL_BASE_RTC + 0x08) /* Time Register */
  27. #define AT91_RTC_SEC (0x7f << 0) /* Current Second */
  28. #define AT91_RTC_MIN (0x7f << 8) /* Current Minute */
  29. #define AT91_RTC_HOUR (0x3f << 16) /* Current Hour */
  30. #define AT91_RTC_AMPM (1 << 22) /* AM/PM */
  31. #define AT91_RTC_CALR (ATMEL_BASE_RTC + 0x0c) /* Calendar Register */
  32. #define AT91_RTC_CENT (0x7f << 0) /* Current Century */
  33. #define AT91_RTC_YEAR (0xff << 8) /* Current Year */
  34. #define AT91_RTC_MONTH (0x1f << 16) /* Current Month */
  35. #define AT91_RTC_DAY (7 << 21) /* Current Day */
  36. #define AT91_RTC_DATE (0x3f << 24) /* Current Date */
  37. #define AT91_RTC_TIMALR (ATMEL_BASE_RTC + 0x10) /* Time Alarm */
  38. #define AT91_RTC_SECEN (1 << 7) /* Second Alarm Enab */
  39. #define AT91_RTC_MINEN (1 << 15) /* Minute Alarm Enab */
  40. #define AT91_RTC_HOUREN (1 << 23) /* Hour Alarm Enable */
  41. #define AT91_RTC_CALALR (ATMEL_BASE_RTC + 0x14) /* Calendar Alarm */
  42. #define AT91_RTC_MTHEN (1 << 23) /* Month Alarm Enable */
  43. #define AT91_RTC_DATEEN (1 << 31) /* Date Alarm Enable */
  44. #define AT91_RTC_SR (ATMEL_BASE_RTC + 0x18) /* Status Register */
  45. #define AT91_RTC_ACKUPD (1 << 0) /* Ack for Update */
  46. #define AT91_RTC_ALARM (1 << 1) /* Alarm Flag */
  47. #define AT91_RTC_SECEV (1 << 2) /* Second Event */
  48. #define AT91_RTC_TIMEV (1 << 3) /* Time Event */
  49. #define AT91_RTC_CALEV (1 << 4) /* Calendar Event */
  50. #define AT91_RTC_SCCR (ATMEL_BASE_RTC + 0x1c) /* Status Clear Cmd */
  51. #define AT91_RTC_IER (ATMEL_BASE_RTC + 0x20) /* Interrupt Enable */
  52. #define AT91_RTC_IDR (ATMEL_BASE_RTC + 0x24) /* Interrupt Disable */
  53. #define AT91_RTC_IMR (ATMEL_BASE_RTC + 0x28) /* Interrupt Mask */
  54. #define AT91_RTC_VER (ATMEL_BASE_RTC + 0x2c) /* Valid Entry */
  55. #define AT91_RTC_NVTIM (1 << 0) /* Non-valid Time */
  56. #define AT91_RTC_NVCAL (1 << 1) /* Non-valid Calendar */
  57. #define AT91_RTC_NVTIMALR (1 << 2) /* .. Time Alarm */
  58. #define AT91_RTC_NVCALALR (1 << 3) /* .. Calendar Alarm */
  59. #endif