include/asm-m68k/rtc.h

   1 /*
   2  * RealTime Clock
   3  *
   4  * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
   5  * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
   6  *
   7  * See file CREDITS for list of people who contributed to this
   8  * project.
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of
  13  * the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23  * MA 02111-1307 USA
  24  */
  25
  26 #ifndef __MCFRTC_H__
  27 #define __MCFRTC_H__
  28
  29 /* Real time Clock */
  30 typedef struct rtc_ctrl {
  31         u32 hourmin;            /* 0x00 Hours and Minutes Counter Register */
  32         u32 seconds;            /* 0x04 Seconds Counter Register */
  33         u32 alrm_hm;            /* 0x08 Hours and Minutes Alarm Register */
  34         u32 alrm_sec;           /* 0x0C Seconds Alarm Register */
  35         u32 cr;                 /* 0x10 Control Register */
  36         u32 isr;                /* 0x14 Interrupt Status Register */
  37         u32 ier;                /* 0x18 Interrupt Enable Register */
  38         u32 stpwatch;           /* 0x1C Stopwatch Minutes Register */
  39         u32 days;               /* 0x20 Days Counter Register */
  40         u32 alrm_day;           /* 0x24 Days Alarm Register */
  41         void *extended;
  42 } rtc_t;
  43
  44 /* Bit definitions and macros for HOURMIN */
  45 #define RTC_HOURMIN_MINUTES(x)  (((x)&0x0000003F))
  46 #define RTC_HOURMIN_HOURS(x)    (((x)&0x0000001F)<<8)
  47
  48 /* Bit definitions and macros for SECONDS */
  49 #define RTC_SECONDS_SECONDS(x)  (((x)&0x0000003F))
  50
  51 /* Bit definitions and macros for ALRM_HM */
  52 #define RTC_ALRM_HM_MINUTES(x)  (((x)&0x0000003F))
  53 #define RTC_ALRM_HM_HOURS(x)    (((x)&0x0000001F)<<8)
  54
  55 /* Bit definitions and macros for ALRM_SEC */
  56 #define RTC_ALRM_SEC_SECONDS(x) (((x)&0x0000003F))
  57
  58 /* Bit definitions and macros for CR */
  59 #define RTC_CR_SWR              (0x00000001)
  60 #define RTC_CR_XTL(x)           (((x)&0x00000003)<<5)
  61 #define RTC_CR_EN               (0x00000080)
  62 #define RTC_CR_32768            (0x0)
  63 #define RTC_CR_32000            (0x1)
  64 #define RTC_CR_38400            (0x2)
  65
  66 /* Bit definitions and macros for ISR */
  67 #define RTC_ISR_SW              (0x00000001)
  68 #define RTC_ISR_MIN             (0x00000002)
  69 #define RTC_ISR_ALM             (0x00000004)
  70 #define RTC_ISR_DAY             (0x00000008)
  71 #define RTC_ISR_1HZ             (0x00000010)
  72 #define RTC_ISR_HR              (0x00000020)
  73 #define RTC_ISR_2HZ             (0x00000080)
  74 #define RTC_ISR_SAM0            (0x00000100)
  75 #define RTC_ISR_SAM1            (0x00000200)
  76 #define RTC_ISR_SAM2            (0x00000400)
  77 #define RTC_ISR_SAM3            (0x00000800)
  78 #define RTC_ISR_SAM4            (0x00001000)
  79 #define RTC_ISR_SAM5            (0x00002000)
  80 #define RTC_ISR_SAM6            (0x00004000)
  81 #define RTC_ISR_SAM7            (0x00008000)
  82
  83 /* Bit definitions and macros for IER */
  84 #define RTC_IER_SW              (0x00000001)
  85 #define RTC_IER_MIN             (0x00000002)
  86 #define RTC_IER_ALM             (0x00000004)
  87 #define RTC_IER_DAY             (0x00000008)
  88 #define RTC_IER_1HZ             (0x00000010)
  89 #define RTC_IER_HR              (0x00000020)
  90 #define RTC_IER_2HZ             (0x00000080)
  91 #define RTC_IER_SAM0            (0x00000100)
  92 #define RTC_IER_SAM1            (0x00000200)
  93 #define RTC_IER_SAM2            (0x00000400)
  94 #define RTC_IER_SAM3            (0x00000800)
  95 #define RTC_IER_SAM4            (0x00001000)
  96 #define RTC_IER_SAM5            (0x00002000)
  97 #define RTC_IER_SAM6            (0x00004000)
  98 #define RTC_IER_SAM7            (0x00008000)
  99
 100 /* Bit definitions and macros for STPWCH */
 101 #define RTC_STPWCH_CNT(x)       (((x)&0x0000003F))
 102
 103 /* Bit definitions and macros for DAYS */
 104 #define RTC_DAYS_DAYS(x)        (((x)&0x0000FFFF))
 105
 106 /* Bit definitions and macros for ALRM_DAY */
 107 #define RTC_ALRM_DAY_DAYS(x)    (((x)&0x0000FFFF))
 108
 109 #endif                          /* __MCFRTC_H__ */