linux/drivers/rtc/rtc-at91rm9200.h
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   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#define AT91_RTC_IMR            0x28                    /* Interrupt Mask Register */
  68
  69#define AT91_RTC_VER            0x2c                    /* Valid Entry Register */
  70#define         AT91_RTC_NVTIM          (1 <<  0)               /* Non valid Time */
  71#define         AT91_RTC_NVCAL          (1 <<  1)               /* Non valid Calendar */
  72#define         AT91_RTC_NVTIMALR       (1 <<  2)               /* Non valid Time Alarm */
  73#define         AT91_RTC_NVCALALR       (1 <<  3)               /* Non valid Calendar Alarm */
  74
  75#endif
  76
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