arch/m68k/include/asm/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  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9
  10 #ifndef __MCFRTC_H__
  11 #define __MCFRTC_H__
  12
  13 /* Real time Clock */
  14 typedef struct rtc_ctrl {
  15         u32 hourmin;            /* 0x00 Hours and Minutes Counter Register */
  16         u32 seconds;            /* 0x04 Seconds Counter Register */
  17         u32 alrm_hm;            /* 0x08 Hours and Minutes Alarm Register */
  18         u32 alrm_sec;           /* 0x0C Seconds Alarm Register */
  19         u32 cr;                 /* 0x10 Control Register */
  20         u32 isr;                /* 0x14 Interrupt Status Register */
  21         u32 ier;                /* 0x18 Interrupt Enable Register */
  22         u32 stpwatch;           /* 0x1C Stopwatch Minutes Register */
  23         u32 days;               /* 0x20 Days Counter Register */
  24         u32 alrm_day;           /* 0x24 Days Alarm Register */
  25         void *extended;
  26 } rtc_t;
  27
  28 /* Bit definitions and macros for HOURMIN */
  29 #define RTC_HOURMIN_MINUTES(x)  (((x)&0x0000003F))
  30 #define RTC_HOURMIN_HOURS(x)    (((x)&0x0000001F)<<8)
  31
  32 /* Bit definitions and macros for SECONDS */
  33 #define RTC_SECONDS_SECONDS(x)  (((x)&0x0000003F))
  34
  35 /* Bit definitions and macros for ALRM_HM */
  36 #define RTC_ALRM_HM_MINUTES(x)  (((x)&0x0000003F))
  37 #define RTC_ALRM_HM_HOURS(x)    (((x)&0x0000001F)<<8)
  38
  39 /* Bit definitions and macros for ALRM_SEC */
  40 #define RTC_ALRM_SEC_SECONDS(x) (((x)&0x0000003F))
  41
  42 /* Bit definitions and macros for CR */
  43 #define RTC_CR_SWR              (0x00000001)
  44 #define RTC_CR_XTL(x)           (((x)&0x00000003)<<5)
  45 #define RTC_CR_EN               (0x00000080)
  46 #define RTC_CR_32768            (0x0)
  47 #define RTC_CR_32000            (0x1)
  48 #define RTC_CR_38400            (0x2)
  49
  50 /* Bit definitions and macros for ISR */
  51 #define RTC_ISR_SW              (0x00000001)
  52 #define RTC_ISR_MIN             (0x00000002)
  53 #define RTC_ISR_ALM             (0x00000004)
  54 #define RTC_ISR_DAY             (0x00000008)
  55 #define RTC_ISR_1HZ             (0x00000010)
  56 #define RTC_ISR_HR              (0x00000020)
  57 #define RTC_ISR_2HZ             (0x00000080)
  58 #define RTC_ISR_SAM0            (0x00000100)
  59 #define RTC_ISR_SAM1            (0x00000200)
  60 #define RTC_ISR_SAM2            (0x00000400)
  61 #define RTC_ISR_SAM3            (0x00000800)
  62 #define RTC_ISR_SAM4            (0x00001000)
  63 #define RTC_ISR_SAM5            (0x00002000)
  64 #define RTC_ISR_SAM6            (0x00004000)
  65 #define RTC_ISR_SAM7            (0x00008000)
  66
  67 /* Bit definitions and macros for IER */
  68 #define RTC_IER_SW              (0x00000001)
  69 #define RTC_IER_MIN             (0x00000002)
  70 #define RTC_IER_ALM             (0x00000004)
  71 #define RTC_IER_DAY             (0x00000008)
  72 #define RTC_IER_1HZ             (0x00000010)
  73 #define RTC_IER_HR              (0x00000020)
  74 #define RTC_IER_2HZ             (0x00000080)
  75 #define RTC_IER_SAM0            (0x00000100)
  76 #define RTC_IER_SAM1            (0x00000200)
  77 #define RTC_IER_SAM2            (0x00000400)
  78 #define RTC_IER_SAM3            (0x00000800)
  79 #define RTC_IER_SAM4            (0x00001000)
  80 #define RTC_IER_SAM5            (0x00002000)
  81 #define RTC_IER_SAM6            (0x00004000)
  82 #define RTC_IER_SAM7            (0x00008000)
  83
  84 /* Bit definitions and macros for STPWCH */
  85 #define RTC_STPWCH_CNT(x)       (((x)&0x0000003F))
  86
  87 /* Bit definitions and macros for DAYS */
  88 #define RTC_DAYS_DAYS(x)        (((x)&0x0000FFFF))
  89
  90 /* Bit definitions and macros for ALRM_DAY */
  91 #define RTC_ALRM_DAY_DAYS(x)    (((x)&0x0000FFFF))
  92
  93 #endif                          /* __MCFRTC_H__ */