xref: /OK3568_Linux_fs/u-boot/arch/arm/mach-at91/include/mach/at91_rtc.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2005 Ivan Kokshaysky
3*4882a593Smuzhiyun  * Copyright (C) SAN People
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Real Time Clock (RTC) - System peripheral registers.
6*4882a593Smuzhiyun  * Based on AT91RM9200 datasheet revision E.
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #ifndef AT91_RTC_H
12*4882a593Smuzhiyun #define AT91_RTC_H
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun /* Control Register */
15*4882a593Smuzhiyun #define AT91_RTC_CR		(ATMEL_BASE_RTC + 0x00)
16*4882a593Smuzhiyun #define AT91_RTC_UPDTIM		(1 <<  0)	/* Update Request Time */
17*4882a593Smuzhiyun #define AT91_RTC_UPDCAL		(1 <<  1)	/* Update Request Calendar */
18*4882a593Smuzhiyun #define AT91_RTC_TIMEVSEL	(3 <<  8)	/* Time Event Selection */
19*4882a593Smuzhiyun #define AT91_RTC_TIMEVSEL_MINUTE (0 << 8)
20*4882a593Smuzhiyun #define AT91_RTC_TIMEVSEL_HOUR	(1 << 8)
21*4882a593Smuzhiyun #define AT91_RTC_TIMEVSEL_DAY24	(2 << 8)
22*4882a593Smuzhiyun #define AT91_RTC_TIMEVSEL_DAY12	(3 << 8)
23*4882a593Smuzhiyun #define AT91_RTC_CALEVSEL	(3 << 16)	/* Calendar Event Selection */
24*4882a593Smuzhiyun #define AT91_RTC_CALEVSEL_WEEK	(0 << 16)
25*4882a593Smuzhiyun #define AT91_RTC_CALEVSEL_MONTH	(1 << 16)
26*4882a593Smuzhiyun #define AT91_RTC_CALEVSEL_YEAR	(2 << 16)
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun #define AT91_RTC_MR		(ATMEL_BASE_RTC + 0x04)	/* Mode Register */
29*4882a593Smuzhiyun #define AT91_RTC_HRMOD		(1 <<  0)		/* 12/24 Hour Mode */
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun #define AT91_RTC_TIMR		(ATMEL_BASE_RTC + 0x08)	/* Time Register */
32*4882a593Smuzhiyun #define AT91_RTC_SEC		(0x7f <<  0)		/* Current Second */
33*4882a593Smuzhiyun #define AT91_RTC_MIN		(0x7f <<  8)		/* Current Minute */
34*4882a593Smuzhiyun #define AT91_RTC_HOUR		(0x3f << 16)		/* Current Hour */
35*4882a593Smuzhiyun #define AT91_RTC_AMPM		(1    << 22)		/* AM/PM */
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun #define AT91_RTC_CALR		(ATMEL_BASE_RTC + 0x0c)	/* Calendar Register */
38*4882a593Smuzhiyun #define AT91_RTC_CENT		(0x7f <<  0)		/* Current Century */
39*4882a593Smuzhiyun #define AT91_RTC_YEAR		(0xff <<  8)		/* Current Year */
40*4882a593Smuzhiyun #define AT91_RTC_MONTH		(0x1f << 16)		/* Current Month */
41*4882a593Smuzhiyun #define AT91_RTC_DAY		(7    << 21)		/* Current Day */
42*4882a593Smuzhiyun #define AT91_RTC_DATE		(0x3f << 24)		/* Current Date */
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun #define AT91_RTC_TIMALR		(ATMEL_BASE_RTC + 0x10)	/* Time Alarm */
45*4882a593Smuzhiyun #define AT91_RTC_SECEN		(1 <<  7)		/* Second Alarm Enab */
46*4882a593Smuzhiyun #define AT91_RTC_MINEN		(1 << 15)		/* Minute Alarm Enab */
47*4882a593Smuzhiyun #define AT91_RTC_HOUREN		(1 << 23)		/* Hour Alarm Enable */
48*4882a593Smuzhiyun 
49*4882a593Smuzhiyun #define AT91_RTC_CALALR		(ATMEL_BASE_RTC + 0x14)	/* Calendar Alarm */
50*4882a593Smuzhiyun #define AT91_RTC_MTHEN		(1 << 23)		/* Month Alarm Enable */
51*4882a593Smuzhiyun #define AT91_RTC_DATEEN		(1 << 31)		/* Date Alarm Enable */
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun #define AT91_RTC_SR		(ATMEL_BASE_RTC + 0x18)	/* Status Register */
54*4882a593Smuzhiyun #define AT91_RTC_ACKUPD		(1 <<  0)		/* Ack for Update */
55*4882a593Smuzhiyun #define AT91_RTC_ALARM		(1 <<  1)		/* Alarm Flag */
56*4882a593Smuzhiyun #define AT91_RTC_SECEV		(1 <<  2)		/* Second Event */
57*4882a593Smuzhiyun #define AT91_RTC_TIMEV		(1 <<  3)		/* Time Event */
58*4882a593Smuzhiyun #define AT91_RTC_CALEV		(1 <<  4)		/* Calendar Event */
59*4882a593Smuzhiyun 
60*4882a593Smuzhiyun #define AT91_RTC_SCCR		(ATMEL_BASE_RTC + 0x1c)	/* Status Clear Cmd */
61*4882a593Smuzhiyun #define AT91_RTC_IER		(ATMEL_BASE_RTC + 0x20)	/* Interrupt Enable */
62*4882a593Smuzhiyun #define AT91_RTC_IDR		(ATMEL_BASE_RTC + 0x24)	/* Interrupt Disable */
63*4882a593Smuzhiyun #define AT91_RTC_IMR		(ATMEL_BASE_RTC + 0x28)	/* Interrupt Mask */
64*4882a593Smuzhiyun 
65*4882a593Smuzhiyun #define AT91_RTC_VER		(ATMEL_BASE_RTC + 0x2c)	/* Valid Entry */
66*4882a593Smuzhiyun #define AT91_RTC_NVTIM		(1 <<  0)		/* Non-valid Time */
67*4882a593Smuzhiyun #define AT91_RTC_NVCAL		(1 <<  1)		/* Non-valid Calendar */
68*4882a593Smuzhiyun #define AT91_RTC_NVTIMALR	(1 <<  2)		/* .. Time Alarm */
69*4882a593Smuzhiyun #define AT91_RTC_NVCALALR	(1 <<  3)		/* .. Calendar Alarm */
70*4882a593Smuzhiyun 
71*4882a593Smuzhiyun #endif
72