xref: /OK3568_Linux_fs/u-boot/arch/m68k/include/asm/rtc.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * RealTime Clock
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
5*4882a593Smuzhiyun  * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
8*4882a593Smuzhiyun  */
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #ifndef __MCFRTC_H__
11*4882a593Smuzhiyun #define __MCFRTC_H__
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun /* Real time Clock */
14*4882a593Smuzhiyun typedef struct rtc_ctrl {
15*4882a593Smuzhiyun 	u32 hourmin;		/* 0x00 Hours and Minutes Counter Register */
16*4882a593Smuzhiyun 	u32 seconds;		/* 0x04 Seconds Counter Register */
17*4882a593Smuzhiyun 	u32 alrm_hm;		/* 0x08 Hours and Minutes Alarm Register */
18*4882a593Smuzhiyun 	u32 alrm_sec;		/* 0x0C Seconds Alarm Register */
19*4882a593Smuzhiyun 	u32 cr;			/* 0x10 Control Register */
20*4882a593Smuzhiyun 	u32 isr;		/* 0x14 Interrupt Status Register */
21*4882a593Smuzhiyun 	u32 ier;		/* 0x18 Interrupt Enable Register */
22*4882a593Smuzhiyun 	u32 stpwatch;		/* 0x1C Stopwatch Minutes Register */
23*4882a593Smuzhiyun 	u32 days;		/* 0x20 Days Counter Register */
24*4882a593Smuzhiyun 	u32 alrm_day;		/* 0x24 Days Alarm Register */
25*4882a593Smuzhiyun 	void *extended;
26*4882a593Smuzhiyun } rtc_t;
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun /* Bit definitions and macros for HOURMIN */
29*4882a593Smuzhiyun #define RTC_HOURMIN_MINUTES(x)	(((x)&0x0000003F))
30*4882a593Smuzhiyun #define RTC_HOURMIN_HOURS(x)	(((x)&0x0000001F)<<8)
31*4882a593Smuzhiyun 
32*4882a593Smuzhiyun /* Bit definitions and macros for SECONDS */
33*4882a593Smuzhiyun #define RTC_SECONDS_SECONDS(x)	(((x)&0x0000003F))
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun /* Bit definitions and macros for ALRM_HM */
36*4882a593Smuzhiyun #define RTC_ALRM_HM_MINUTES(x)	(((x)&0x0000003F))
37*4882a593Smuzhiyun #define RTC_ALRM_HM_HOURS(x)	(((x)&0x0000001F)<<8)
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun /* Bit definitions and macros for ALRM_SEC */
40*4882a593Smuzhiyun #define RTC_ALRM_SEC_SECONDS(x)	(((x)&0x0000003F))
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun /* Bit definitions and macros for CR */
43*4882a593Smuzhiyun #define RTC_CR_SWR		(0x00000001)
44*4882a593Smuzhiyun #define RTC_CR_XTL(x)		(((x)&0x00000003)<<5)
45*4882a593Smuzhiyun #define RTC_CR_EN		(0x00000080)
46*4882a593Smuzhiyun #define RTC_CR_32768		(0x0)
47*4882a593Smuzhiyun #define RTC_CR_32000		(0x1)
48*4882a593Smuzhiyun #define RTC_CR_38400		(0x2)
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun /* Bit definitions and macros for ISR */
51*4882a593Smuzhiyun #define RTC_ISR_SW		(0x00000001)
52*4882a593Smuzhiyun #define RTC_ISR_MIN		(0x00000002)
53*4882a593Smuzhiyun #define RTC_ISR_ALM		(0x00000004)
54*4882a593Smuzhiyun #define RTC_ISR_DAY		(0x00000008)
55*4882a593Smuzhiyun #define RTC_ISR_1HZ		(0x00000010)
56*4882a593Smuzhiyun #define RTC_ISR_HR		(0x00000020)
57*4882a593Smuzhiyun #define RTC_ISR_2HZ		(0x00000080)
58*4882a593Smuzhiyun #define RTC_ISR_SAM0		(0x00000100)
59*4882a593Smuzhiyun #define RTC_ISR_SAM1		(0x00000200)
60*4882a593Smuzhiyun #define RTC_ISR_SAM2		(0x00000400)
61*4882a593Smuzhiyun #define RTC_ISR_SAM3		(0x00000800)
62*4882a593Smuzhiyun #define RTC_ISR_SAM4		(0x00001000)
63*4882a593Smuzhiyun #define RTC_ISR_SAM5		(0x00002000)
64*4882a593Smuzhiyun #define RTC_ISR_SAM6		(0x00004000)
65*4882a593Smuzhiyun #define RTC_ISR_SAM7		(0x00008000)
66*4882a593Smuzhiyun 
67*4882a593Smuzhiyun /* Bit definitions and macros for IER */
68*4882a593Smuzhiyun #define RTC_IER_SW		(0x00000001)
69*4882a593Smuzhiyun #define RTC_IER_MIN		(0x00000002)
70*4882a593Smuzhiyun #define RTC_IER_ALM		(0x00000004)
71*4882a593Smuzhiyun #define RTC_IER_DAY		(0x00000008)
72*4882a593Smuzhiyun #define RTC_IER_1HZ		(0x00000010)
73*4882a593Smuzhiyun #define RTC_IER_HR		(0x00000020)
74*4882a593Smuzhiyun #define RTC_IER_2HZ		(0x00000080)
75*4882a593Smuzhiyun #define RTC_IER_SAM0		(0x00000100)
76*4882a593Smuzhiyun #define RTC_IER_SAM1		(0x00000200)
77*4882a593Smuzhiyun #define RTC_IER_SAM2		(0x00000400)
78*4882a593Smuzhiyun #define RTC_IER_SAM3		(0x00000800)
79*4882a593Smuzhiyun #define RTC_IER_SAM4		(0x00001000)
80*4882a593Smuzhiyun #define RTC_IER_SAM5		(0x00002000)
81*4882a593Smuzhiyun #define RTC_IER_SAM6		(0x00004000)
82*4882a593Smuzhiyun #define RTC_IER_SAM7		(0x00008000)
83*4882a593Smuzhiyun 
84*4882a593Smuzhiyun /* Bit definitions and macros for STPWCH */
85*4882a593Smuzhiyun #define RTC_STPWCH_CNT(x)	(((x)&0x0000003F))
86*4882a593Smuzhiyun 
87*4882a593Smuzhiyun /* Bit definitions and macros for DAYS */
88*4882a593Smuzhiyun #define RTC_DAYS_DAYS(x)	(((x)&0x0000FFFF))
89*4882a593Smuzhiyun 
90*4882a593Smuzhiyun /* Bit definitions and macros for ALRM_DAY */
91*4882a593Smuzhiyun #define RTC_ALRM_DAY_DAYS(x)	(((x)&0x0000FFFF))
92*4882a593Smuzhiyun 
93*4882a593Smuzhiyun #endif				/* __MCFRTC_H__ */
94