The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/arm/at91/at91_rtcreg.h

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    1 /*-
    2  * Copyright (c) 2006 M. Warner Losh.  All rights reserved.
    3  *
    4  * Redistribution and use in source and binary forms, with or without
    5  * modification, are permitted provided that the following conditions
    6  * are met:
    7  * 1. Redistributions of source code must retain the above copyright
    8  *    notice, this list of conditions and the following disclaimer.
    9  * 2. Redistributions in binary form must reproduce the above copyright
   10  *    notice, this list of conditions and the following disclaimer in the
   11  *    documentation and/or other materials provided with the distribution.
   12  *
   13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   14  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   15  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   16  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   19  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   20  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   23  */
   24 
   25 /* $FreeBSD$ */
   26 
   27 #ifndef ARM_AT91_AT91_RTCREG_H
   28 #define ARM_AT91_AT91_RTCREG_H
   29 
   30 /* Registers */
   31 #define RTC_CR          0x00            /* RTC Control Register */
   32 #define RTC_MR          0x04            /* RTC Mode Register */
   33 #define RTC_TIMR        0x08            /* RTC Time Register */
   34 #define RTC_CALR        0x0c            /* RTC Calendar Register */
   35 #define RTC_TIMALR      0x10            /* RTC Time Alarm Register */
   36 #define RTC_CALALR      0x14            /* RTC Calendar Alarm Register */
   37 #define RTC_SR          0x18            /* RTC Status Register */
   38 #define RTC_SCCR        0x1c            /* RTC Status Command Clear Register */
   39 #define RTC_IER         0x20            /* RTC Interrupt Enable Register */
   40 #define RTC_IDR         0x24            /* RTC Interrupt Disable Register */
   41 #define RTC_IMR         0x28            /* RTC Interrupt Mask Register */
   42 #define RTC_VER         0x2c            /* RTC Valid Entry Register */
   43 
   44 /* TIMR */
   45 #define RTC_TIMR_SEC_M  0x7fUL
   46 #define RTC_TIMR_SEC_S  0
   47 #define RTC_TIMR_SEC(x) FROMBCD(((x) & RTC_TIMR_SEC_M) >> RTC_TIMR_SEC_S)
   48 #define RTC_TIMR_MIN_M  0x7f00UL
   49 #define RTC_TIMR_MIN_S  8
   50 #define RTC_TIMR_MIN(x) FROMBCD(((x) & RTC_TIMR_MIN_M) >> RTC_TIMR_MIN_S)
   51 #define RTC_TIMR_HR_M   0x3f0000UL
   52 #define RTC_TIMR_HR_S   16
   53 #define RTC_TIMR_HR(x)  FROMBCD(((x) & RTC_TIMR_HR_M) >> RTC_TIMR_HR_S)
   54 #define RTC_TIMR_MK(hr, min, sec) \
   55                 ((TOBCD(hr) << RTC_TIMR_HR_S) | \
   56                  (TOBCD(min) << RTC_TIMR_MIN_S) | \
   57                  (TOBCD(sec) << RTC_TIMR_SEC_S))
   58 #define RTC_TIMR_PM     (1UL << 22)
   59 
   60 /* CALR */
   61 #define RTC_CALR_CEN_M  0x0000007fUL
   62 #define RTC_CALR_CEN_S  0
   63 #define RTC_CALR_CEN(x) FROMBCD(((x) & RTC_CALR_CEN_M) >> RTC_CALR_CEN_S)
   64 #define RTC_CALR_YEAR_M 0x0000ff00UL
   65 #define RTC_CALR_YEAR_S 8
   66 #define RTC_CALR_YEAR(x) FROMBCD(((x) & RTC_CALR_YEAR_M) >> RTC_CALR_YEAR_S)
   67 #define RTC_CALR_MON_M  0x001f0000UL
   68 #define RTC_CALR_MON_S  16
   69 #define RTC_CALR_MON(x) FROMBCD(((x) & RTC_CALR_MON_M) >> RTC_CALR_MON_S)
   70 #define RTC_CALR_DOW_M  0x00d0000UL
   71 #define RTC_CALR_DOW_S  21
   72 #define RTC_CALR_DOW(x) FROMBCD(((x) & RTC_CALR_DOW_M) >> RTC_CALR_DOW_S)
   73 #define RTC_CALR_DAY_M  0x3f00000UL
   74 #define RTC_CALR_DAY_S  24
   75 #define RTC_CALR_DAY(x) FROMBCD(((x) & RTC_CALR_DAY_M) >> RTC_CALR_DAY_S)
   76 #define RTC_CALR_MK(yr, mon, day, dow) \
   77                 ((TOBCD((yr) / 100 + 19) << RTC_CALR_CEN_S) | \
   78                  (TOBCD((yr) % 100) << RTC_CALR_YEAR_S) | \
   79                  (TOBCD(mon) << RTC_CALR_MON_S) | \
   80                  (TOBCD(dow) << RTC_CALR_DOW_S) | \
   81                  (TOBCD(day) << RTC_CALR_DAY_S))
   82 
   83 #endif /* ARM_AT91_AT91_RTCREG_H */

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