at91_streg.h revision 155324
1/*-
2 * Copyright (c) 2005 M. Warner Losh.  All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25/* $FreeBSD: head/sys/arm/at91/at91_streg.h 155324 2006-02-04 23:32:13Z imp $ */
26
27#ifndef ARM_AT91_AT91STREG_H
28#define ARM_AT91_AT91STREG_H
29
30#define ST_CR		0x00 /* Control register */
31#define ST_PIMR		0x04 /* Period interval mode register */
32#define ST_WDMR		0x08 /* Watchdog mode register */
33#define ST_RTMR		0x0c /* Real-time mode register */
34#define ST_SR		0x10 /* Status register */
35#define ST_IER		0x14 /* Interrupt enable register */
36#define ST_IDR		0x18 /* Interrupt disable register */
37#define ST_IMR		0x1c /* Interrupt mask register */
38#define ST_RTAR		0x20 /* Real-time alarm register */
39#define	ST_CRTR		0x24 /* Current real-time register */
40
41/* ST_CR */
42#define ST_CR_WDRST	(1U << 0) /* WDRST: Watchdog Timer Restart */
43
44/* ST_WDMR */
45#define ST_WDMR_EXTEN	(1U << 17) /* EXTEN: External Signal Assert Enable */
46#define ST_WDMR_RSTEN	(1U << 16) /* RSTEN: Reset Enable */
47
48/* ST_SR, ST_IER, ST_IDR, ST_IMR */
49#define ST_SR_PITS	(1U << 0) /* PITS: Period Interval Timer Status */
50#define ST_SR_WDOVF	(1U << 1) /* WDOVF: Watchdog Overflow */
51#define ST_SR_RTTINC	(1U << 2) /* RTTINC: Real-time Timer Increment */
52#define ST_SR_ALMS	(1U << 3) /* ALMS: Alarm Status */
53
54/* ST_CRTR */
55#define ST_CRTR_MASK	0xfffff /* 20-bit counter */
56
57#endif /* ARM_AT91_AT91STREG_H */
58