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__ */ 110