1/* $NetBSD: hpetreg.h,v 1.3 2008/02/15 22:14:10 jmcneill Exp $ */
2
3/*
4 * Copyright (c) 2006 Nicolas Joly
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef _DEV_IC_HPETREG_H_
32#define _DEV_IC_HPETREG_H_
33
34#define	HPET_WINDOW_SIZE	0x400
35
36#define HPET_INFO		0x00
37#define HPET_INFO_64BITS 		0x2000
38#define HPET_PERIOD		0x04
39#define HPET_PERIOD_MAX			100000000
40#define HPET_CONFIG		0x10
41#define HPET_CONFIG_ENABLE		0x0001
42#define HPET_CONFIG_LEGRTCNF		0x0002
43#define HPET_MCOUNT_LO		0xf0
44#define HPET_MCOUNT_HI		0xf4
45#define HPET_INT_STATUS		0x20
46#define HPET_INT_STS_TIMER0		0x00000001
47#define HPET_INT_STS_TIMER1		0x00000002
48#define HPET_INT_STS_TIMER2		0x00000004
49
50#define HPET_TIMER_USE_LEVEL_INTR	0x00000002
51#define HPET_TIMER_ENABLE_INTR		0x00000004
52#define HPET_TIMER_IS_PERIODIC_INTR	0x00000008
53#define HPET_TIMER_HAS_PERIODIC_INTR	0x00000010
54#define	HPET_TIMER_INTR_SHIFT		9
55
56#define HPET_TIMER0_CONFIG	0x0100
57#define HPET_TIMER0_INTCAP	0x0104
58#define HPET_TIMER0_CMPREG_LO	0x0108
59#define HPET_TIMER0_CMPREG_HI	0x010C
60
61#define HPET_TIMER1_CONFIG	0x0120
62#define HPET_TIMER1_INTCAP	0x0124
63#define HPET_TIMER1_CMPREG_LO	0x0128
64#define HPET_TIMER1_CMPREG_HI	0x012C
65
66#define HPET_TIMER2_CONFIG	0x0140
67#define HPET_TIMER2_INTCAP	0x0144
68#define HPET_TIMER2_CMPREG_LO	0x0148
69#define HPET_TIMER2_CMPREG_HI	0x014C
70
71#endif /* _DEV_IC_HPETREG_H_ */
72