mk48t59.h 2.0 KB

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  1. /*
  2. * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
  3. * Andreas Heppel <aheppel@sysgo.de>
  4. *
  5. * See file CREDITS for list of people who contributed to this
  6. * project.
  7. *
  8. * This program is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU General Public License as
  10. * published by the Free Software Foundation; either version 2 of
  11. * the License, or (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21. * MA 02111-1307 USA
  22. */
  23. /*
  24. * Date & Time support for the MK48T59 RTC
  25. */
  26. #if defined(CONFIG_RTC_MK48T59) && defined(CONFIG_CMD_DATE)
  27. #define RTC_PORT_ADDR0 CONFIG_SYS_ISA_IO + 0x70
  28. #define RTC_PORT_ADDR1 RTC_PORT_ADDR0 + 0x1
  29. #define RTC_PORT_DATA CONFIG_SYS_ISA_IO + 0x76
  30. /* RTC Offsets */
  31. #define RTC_SECONDS 0x1FF9
  32. #define RTC_MINUTES 0x1FFA
  33. #define RTC_HOURS 0x1FFB
  34. #define RTC_DAY_OF_WEEK 0x1FFC
  35. #define RTC_DAY_OF_MONTH 0x1FFD
  36. #define RTC_MONTH 0x1FFE
  37. #define RTC_YEAR 0x1FFF
  38. #define RTC_CONTROLA 0x1FF8
  39. #define RTC_CA_WRITE 0x80
  40. #define RTC_CA_READ 0x40
  41. #define RTC_CA_CALIB_SIGN 0x20
  42. #define RTC_CA_CALIB_MASK 0x1f
  43. #define RTC_CONTROLB 0x1FF9
  44. #define RTC_CB_STOP 0x80
  45. #define RTC_WATCHDOG 0x1FF7
  46. #define RTC_WDS 0x80
  47. #define RTC_WD_RB_16TH 0x0
  48. #define RTC_WD_RB_4TH 0x1
  49. #define RTC_WD_RB_1 0x2
  50. #define RTC_WD_RB_4 0x3
  51. void rtc_set_watchdog(short multi, short res);
  52. void *nvram_read(void *dest, const short src, size_t count);
  53. void nvram_write(short dest, const void *src, size_t count);
  54. #endif