drivers/rtc/rtc-at91rm9200.h

   1 /*
   2  * arch/arm/mach-at91/include/mach/at91_rtc.h
   3  *
   4  * Copyright (C) 2005 Ivan Kokshaysky
   5  * Copyright (C) SAN People
   6  *
   7  * Real Time Clock (RTC) - System peripheral registers.
   8  * Based on AT91RM9200 datasheet revision E.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  */
  15
  16 #ifndef AT91_RTC_H
  17 #define AT91_RTC_H
  18
  19 #define AT91_RTC_CR             0x00                    /* Control Register */
  20 #define         AT91_RTC_UPDTIM         (1 <<  0)               /* Update Request Time Register */
  21 #define         AT91_RTC_UPDCAL         (1 <<  1)               /* Update Request Calendar Register */
  22 #define         AT91_RTC_TIMEVSEL       (3 <<  8)               /* Time Event Selection */
  23 #define                 AT91_RTC_TIMEVSEL_MINUTE        (0 << 8)
  24 #define                 AT91_RTC_TIMEVSEL_HOUR          (1 << 8)
  25 #define                 AT91_RTC_TIMEVSEL_DAY24         (2 << 8)
  26 #define                 AT91_RTC_TIMEVSEL_DAY12         (3 << 8)
  27 #define         AT91_RTC_CALEVSEL       (3 << 16)               /* Calendar Event Selection */
  28 #define                 AT91_RTC_CALEVSEL_WEEK          (0 << 16)
  29 #define                 AT91_RTC_CALEVSEL_MONTH         (1 << 16)
  30 #define                 AT91_RTC_CALEVSEL_YEAR          (2 << 16)
  31
  32 #define AT91_RTC_MR             0x04                    /* Mode Register */
  33 #define                 AT91_RTC_HRMOD          (1 <<  0)               /* 12/24 Hour Mode */
  34
  35 #define AT91_RTC_TIMR           0x08                    /* Time Register */
  36 #define         AT91_RTC_SEC            (0x7f <<  0)            /* Current Second */
  37 #define         AT91_RTC_MIN            (0x7f <<  8)            /* Current Minute */
  38 #define         AT91_RTC_HOUR           (0x3f << 16)            /* Current Hour */
  39 #define         AT91_RTC_AMPM           (1    << 22)            /* Ante Meridiem Post Meridiem Indicator */
  40
  41 #define AT91_RTC_CALR           0x0c                    /* Calendar Register */
  42 #define         AT91_RTC_CENT           (0x7f <<  0)            /* Current Century */
  43 #define         AT91_RTC_YEAR           (0xff <<  8)            /* Current Year */
  44 #define         AT91_RTC_MONTH          (0x1f << 16)            /* Current Month */
  45 #define         AT91_RTC_DAY            (7    << 21)            /* Current Day */
  46 #define         AT91_RTC_DATE           (0x3f << 24)            /* Current Date */
  47
  48 #define AT91_RTC_TIMALR         0x10                    /* Time Alarm Register */
  49 #define         AT91_RTC_SECEN          (1 <<  7)               /* Second Alarm Enable */
  50 #define         AT91_RTC_MINEN          (1 << 15)               /* Minute Alarm Enable */
  51 #define         AT91_RTC_HOUREN         (1 << 23)               /* Hour Alarm Enable */
  52
  53 #define AT91_RTC_CALALR         0x14                    /* Calendar Alarm Register */
  54 #define         AT91_RTC_MTHEN          (1 << 23)               /* Month Alarm Enable */
  55 #define         AT91_RTC_DATEEN         (1 << 31)               /* Date Alarm Enable */
  56
  57 #define AT91_RTC_SR             0x18                    /* Status Register */
  58 #define         AT91_RTC_ACKUPD         (1 <<  0)               /* Acknowledge for Update */
  59 #define         AT91_RTC_ALARM          (1 <<  1)               /* Alarm Flag */
  60 #define         AT91_RTC_SECEV          (1 <<  2)               /* Second Event */
  61 #define         AT91_RTC_TIMEV          (1 <<  3)               /* Time Event */
  62 #define         AT91_RTC_CALEV          (1 <<  4)               /* Calendar Event */
  63
  64 #define AT91_RTC_SCCR           0x1c                    /* Status Clear Command Register */
  65 #define AT91_RTC_IER            0x20                    /* Interrupt Enable Register */
  66 #define AT91_RTC_IDR            0x24                    /* Interrupt Disable Register */
  67
  68 #define AT91_RTC_VER            0x2c                    /* Valid Entry Register */
  69 #define         AT91_RTC_NVTIM          (1 <<  0)               /* Non valid Time */
  70 #define         AT91_RTC_NVCAL          (1 <<  1)               /* Non valid Calendar */
  71 #define         AT91_RTC_NVTIMALR       (1 <<  2)               /* Non valid Time Alarm */
  72 #define         AT91_RTC_NVCALALR       (1 <<  3)               /* Non valid Calendar Alarm */
  73
  74 #endif