at91_rtcreg.h revision 330897
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2006 M. Warner Losh.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28/* $FreeBSD: stable/11/sys/arm/at91/at91_rtcreg.h 330897 2018-03-14 03:19:51Z eadler $ */
29
30#ifndef ARM_AT91_AT91_RTCREG_H
31#define ARM_AT91_AT91_RTCREG_H
32
33/* Registers */
34#define RTC_CR		0x00		/* RTC Control Register */
35#define RTC_MR		0x04		/* RTC Mode Register */
36#define RTC_TIMR	0x08		/* RTC Time Register */
37#define RTC_CALR	0x0c		/* RTC Calendar Register */
38#define RTC_TIMALR	0x10		/* RTC Time Alarm Register */
39#define RTC_CALALR	0x14		/* RTC Calendar Alarm Register */
40#define RTC_SR		0x18		/* RTC Status Register */
41#define RTC_SCCR	0x1c		/* RTC Status Command Clear Register */
42#define RTC_IER		0x20		/* RTC Interrupt Enable Register */
43#define RTC_IDR		0x24		/* RTC Interrupt Disable Register */
44#define RTC_IMR		0x28		/* RTC Interrupt Mask Register */
45#define RTC_VER		0x2c		/* RTC Valid Entry Register */
46
47/* CR */
48#define	RTC_CR_UPDTIM	(0x1u <<  0)	/* Request update of time register */
49#define	RTC_CR_UPDCAL	(0x1u <<  1)	/* Request update of calendar reg. */
50
51/* TIMR */
52#define RTC_TIMR_SEC_M	0x7fUL
53#define RTC_TIMR_SEC_S	0
54#define RTC_TIMR_SEC(x)	FROMBCD(((x) & RTC_TIMR_SEC_M) >> RTC_TIMR_SEC_S)
55#define RTC_TIMR_MIN_M	0x7f00UL
56#define RTC_TIMR_MIN_S	8
57#define RTC_TIMR_MIN(x)	FROMBCD(((x) & RTC_TIMR_MIN_M) >> RTC_TIMR_MIN_S)
58#define RTC_TIMR_HR_M	0x3f0000UL
59#define RTC_TIMR_HR_S	16
60#define RTC_TIMR_HR(x)	FROMBCD(((x) & RTC_TIMR_HR_M) >> RTC_TIMR_HR_S)
61#define RTC_TIMR_MK(hr, min, sec) \
62		((TOBCD(hr) << RTC_TIMR_HR_S) | \
63		 (TOBCD(min) << RTC_TIMR_MIN_S) | \
64		 (TOBCD(sec) << RTC_TIMR_SEC_S))
65#define RTC_TIMR_PM	(1UL << 22)
66
67/* CALR */
68#define RTC_CALR_CEN_M	0x0000007fUL
69#define RTC_CALR_CEN_S	0
70#define RTC_CALR_CEN(x)	FROMBCD(((x) & RTC_CALR_CEN_M) >> RTC_CALR_CEN_S)
71#define RTC_CALR_YEAR_M	0x0000ff00UL
72#define RTC_CALR_YEAR_S 8
73#define RTC_CALR_YEAR(x) FROMBCD(((x) & RTC_CALR_YEAR_M) >> RTC_CALR_YEAR_S)
74#define RTC_CALR_MON_M	0x001f0000UL
75#define RTC_CALR_MON_S	16
76#define RTC_CALR_MON(x)	FROMBCD(((x) & RTC_CALR_MON_M) >> RTC_CALR_MON_S)
77#define RTC_CALR_DOW_M	0x00d0000UL
78#define RTC_CALR_DOW_S	21
79#define RTC_CALR_DOW(x)	FROMBCD(((x) & RTC_CALR_DOW_M) >> RTC_CALR_DOW_S)
80#define RTC_CALR_DAY_M	0x3f000000UL
81#define RTC_CALR_DAY_S	24
82#define RTC_CALR_DAY(x)	FROMBCD(((x) & RTC_CALR_DAY_M) >> RTC_CALR_DAY_S)
83#define RTC_CALR_MK(yr, mon, day, dow) \
84		((TOBCD((yr) / 100) << RTC_CALR_CEN_S) | \
85		 (TOBCD((yr) % 100) << RTC_CALR_YEAR_S) | \
86		 (TOBCD(mon) << RTC_CALR_MON_S) | \
87		 (TOBCD(dow) << RTC_CALR_DOW_S) | \
88		 (TOBCD(day) << RTC_CALR_DAY_S))
89
90/* SR */
91
92#define	RTC_SR_ACKUPD		(0x1u <<  0)	/* Acknowledge for Update */
93#define	RTC_SR_ALARM		(0x1u <<  1)	/* Alarm Flag */
94#define	RTC_SR_SECEV		(0x1u <<  2)	/* Second Event */
95#define	RTC_SR_TIMEV		(0x1u <<  3)	/* Time Event */
96#define	RTC_SR_CALEV		(0x1u <<  4)	/* Calendar event */
97
98/* VER */
99
100#define	RTC_VER_NVTIM		(0x1 << 0)	/* Non-valid time */
101#define	RTC_VER_NVCAL		(0x1 << 1)	/* Non-valid calendar */
102#define	RTC_VER_NVTIMALR	(0x1 << 2)	/* Non-valid time alarm */
103#define	RTC_VER_NVCALALR	(0x1 << 3)	/* Non-valid calendar alarm */
104
105#endif /* ARM_AT91_AT91_RTCREG_H */
106