at91_rtc.h

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/*
 * arch/arm/mach-at91/include/mach/at91_rtc.h
 *
 * Copyright (C) 2005 Ivan Kokshaysky
 * Copyright (C) SAN People
 *
 * Real Time Clock (RTC) - System peripheral registers.
 * Based on AT91RM9200 datasheet revision E.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#ifndef AT91_RTC_H
#define AT91_RTC_H

#define AT91_RTC_CR     0x00            /* Control Register */
#define     AT91_RTC_UPDTIM     (1 <<  0)       /* Update Request Time Register */
#define     AT91_RTC_UPDCAL     (1 <<  1)       /* Update Request Calendar Register */
#define     AT91_RTC_TIMEVSEL   (3 <<  8)       /* Time Event Selection */
#define         AT91_RTC_TIMEVSEL_MINUTE    (0 << 8)
#define         AT91_RTC_TIMEVSEL_HOUR      (1 << 8)
#define         AT91_RTC_TIMEVSEL_DAY24     (2 << 8)
#define         AT91_RTC_TIMEVSEL_DAY12     (3 << 8)
#define     AT91_RTC_CALEVSEL   (3 << 16)       /* Calendar Event Selection */
#define         AT91_RTC_CALEVSEL_WEEK      (0 << 16)
#define         AT91_RTC_CALEVSEL_MONTH     (1 << 16)
#define         AT91_RTC_CALEVSEL_YEAR      (2 << 16)

#define AT91_RTC_MR     0x04            /* Mode Register */
#define         AT91_RTC_HRMOD      (1 <<  0)       /* 12/24 Hour Mode */

#define AT91_RTC_TIMR       0x08            /* Time Register */
#define     AT91_RTC_SEC        (0x7f <<  0)        /* Current Second */
#define     AT91_RTC_MIN        (0x7f <<  8)        /* Current Minute */
#define     AT91_RTC_HOUR       (0x3f << 16)        /* Current Hour */
#define     AT91_RTC_AMPM       (1    << 22)        /* Ante Meridiem Post Meridiem Indicator */

#define AT91_RTC_CALR       0x0c            /* Calendar Register */
#define     AT91_RTC_CENT       (0x7f <<  0)        /* Current Century */
#define     AT91_RTC_YEAR       (0xff <<  8)        /* Current Year */
#define     AT91_RTC_MONTH      (0x1f << 16)        /* Current Month */
#define     AT91_RTC_DAY        (7    << 21)        /* Current Day */
#define     AT91_RTC_DATE       (0x3f << 24)        /* Current Date */

#define AT91_RTC_TIMALR     0x10            /* Time Alarm Register */
#define     AT91_RTC_SECEN      (1 <<  7)       /* Second Alarm Enable */
#define     AT91_RTC_MINEN      (1 << 15)       /* Minute Alarm Enable */
#define     AT91_RTC_HOUREN     (1 << 23)       /* Hour Alarm Enable */

#define AT91_RTC_CALALR     0x14            /* Calendar Alarm Register */
#define     AT91_RTC_MTHEN      (1 << 23)       /* Month Alarm Enable */
#define     AT91_RTC_DATEEN     (1 << 31)       /* Date Alarm Enable */

#define AT91_RTC_SR     0x18            /* Status Register */
#define     AT91_RTC_ACKUPD     (1 <<  0)       /* Acknowledge for Update */
#define     AT91_RTC_ALARM      (1 <<  1)       /* Alarm Flag */
#define     AT91_RTC_SECEV      (1 <<  2)       /* Second Event */
#define     AT91_RTC_TIMEV      (1 <<  3)       /* Time Event */
#define     AT91_RTC_CALEV      (1 <<  4)       /* Calendar Event */

#define AT91_RTC_SCCR       0x1c            /* Status Clear Command Register */
#define AT91_RTC_IER        0x20            /* Interrupt Enable Register */
#define AT91_RTC_IDR        0x24            /* Interrupt Disable Register */
#define AT91_RTC_IMR        0x28            /* Interrupt Mask Register */

#define AT91_RTC_VER        0x2c            /* Valid Entry Register */
#define     AT91_RTC_NVTIM      (1 <<  0)       /* Non valid Time */
#define     AT91_RTC_NVCAL      (1 <<  1)       /* Non valid Calendar */
#define     AT91_RTC_NVTIMALR   (1 <<  2)       /* Non valid Time Alarm */
#define     AT91_RTC_NVCALALR   (1 <<  3)       /* Non valid Calendar Alarm */

#endif