xref: /openbmc/u-boot/arch/m68k/include/asm/rtc.h (revision 87a62bce)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * RealTime Clock
4  *
5  * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
6  * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
7  */
8 
9 #ifndef __MCFRTC_H__
10 #define __MCFRTC_H__
11 
12 /* Real time Clock */
13 typedef struct rtc_ctrl {
14 	u32 hourmin;		/* 0x00 Hours and Minutes Counter Register */
15 	u32 seconds;		/* 0x04 Seconds Counter Register */
16 	u32 alrm_hm;		/* 0x08 Hours and Minutes Alarm Register */
17 	u32 alrm_sec;		/* 0x0C Seconds Alarm Register */
18 	u32 cr;			/* 0x10 Control Register */
19 	u32 isr;		/* 0x14 Interrupt Status Register */
20 	u32 ier;		/* 0x18 Interrupt Enable Register */
21 	u32 stpwatch;		/* 0x1C Stopwatch Minutes Register */
22 	u32 days;		/* 0x20 Days Counter Register */
23 	u32 alrm_day;		/* 0x24 Days Alarm Register */
24 	void *extended;
25 } rtc_t;
26 
27 /* Bit definitions and macros for HOURMIN */
28 #define RTC_HOURMIN_MINUTES(x)	(((x)&0x0000003F))
29 #define RTC_HOURMIN_HOURS(x)	(((x)&0x0000001F)<<8)
30 
31 /* Bit definitions and macros for SECONDS */
32 #define RTC_SECONDS_SECONDS(x)	(((x)&0x0000003F))
33 
34 /* Bit definitions and macros for ALRM_HM */
35 #define RTC_ALRM_HM_MINUTES(x)	(((x)&0x0000003F))
36 #define RTC_ALRM_HM_HOURS(x)	(((x)&0x0000001F)<<8)
37 
38 /* Bit definitions and macros for ALRM_SEC */
39 #define RTC_ALRM_SEC_SECONDS(x)	(((x)&0x0000003F))
40 
41 /* Bit definitions and macros for CR */
42 #define RTC_CR_SWR		(0x00000001)
43 #define RTC_CR_XTL(x)		(((x)&0x00000003)<<5)
44 #define RTC_CR_EN		(0x00000080)
45 #define RTC_CR_32768		(0x0)
46 #define RTC_CR_32000		(0x1)
47 #define RTC_CR_38400		(0x2)
48 
49 /* Bit definitions and macros for ISR */
50 #define RTC_ISR_SW		(0x00000001)
51 #define RTC_ISR_MIN		(0x00000002)
52 #define RTC_ISR_ALM		(0x00000004)
53 #define RTC_ISR_DAY		(0x00000008)
54 #define RTC_ISR_1HZ		(0x00000010)
55 #define RTC_ISR_HR		(0x00000020)
56 #define RTC_ISR_2HZ		(0x00000080)
57 #define RTC_ISR_SAM0		(0x00000100)
58 #define RTC_ISR_SAM1		(0x00000200)
59 #define RTC_ISR_SAM2		(0x00000400)
60 #define RTC_ISR_SAM3		(0x00000800)
61 #define RTC_ISR_SAM4		(0x00001000)
62 #define RTC_ISR_SAM5		(0x00002000)
63 #define RTC_ISR_SAM6		(0x00004000)
64 #define RTC_ISR_SAM7		(0x00008000)
65 
66 /* Bit definitions and macros for IER */
67 #define RTC_IER_SW		(0x00000001)
68 #define RTC_IER_MIN		(0x00000002)
69 #define RTC_IER_ALM		(0x00000004)
70 #define RTC_IER_DAY		(0x00000008)
71 #define RTC_IER_1HZ		(0x00000010)
72 #define RTC_IER_HR		(0x00000020)
73 #define RTC_IER_2HZ		(0x00000080)
74 #define RTC_IER_SAM0		(0x00000100)
75 #define RTC_IER_SAM1		(0x00000200)
76 #define RTC_IER_SAM2		(0x00000400)
77 #define RTC_IER_SAM3		(0x00000800)
78 #define RTC_IER_SAM4		(0x00001000)
79 #define RTC_IER_SAM5		(0x00002000)
80 #define RTC_IER_SAM6		(0x00004000)
81 #define RTC_IER_SAM7		(0x00008000)
82 
83 /* Bit definitions and macros for STPWCH */
84 #define RTC_STPWCH_CNT(x)	(((x)&0x0000003F))
85 
86 /* Bit definitions and macros for DAYS */
87 #define RTC_DAYS_DAYS(x)	(((x)&0x0000FFFF))
88 
89 /* Bit definitions and macros for ALRM_DAY */
90 #define RTC_ALRM_DAY_DAYS(x)	(((x)&0x0000FFFF))
91 
92 #endif				/* __MCFRTC_H__ */
93