ichwd.h revision 155785
137904Sjlemon/*-
237904Sjlemon * Copyright (c) 2004 Texas A&M University
337904Sjlemon * All rights reserved.
437904Sjlemon *
537904Sjlemon * Developer: Wm. Daryl Hawkins
637904Sjlemon *
737904Sjlemon * Redistribution and use in source and binary forms, with or without
837904Sjlemon * modification, are permitted provided that the following conditions
937904Sjlemon * are met:
1037904Sjlemon * 1. Redistributions of source code must retain the above copyright
1137904Sjlemon *    notice, this list of conditions and the following disclaimer.
1237904Sjlemon * 2. Redistributions in binary form must reproduce the above copyright
1337904Sjlemon *    notice, this list of conditions and the following disclaimer in the
1437904Sjlemon *    documentation and/or other materials provided with the distribution.
1537904Sjlemon *
1637904Sjlemon * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
1737904Sjlemon * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1837904Sjlemon * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1937904Sjlemon * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
2037904Sjlemon * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2137904Sjlemon * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2237904Sjlemon * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2337904Sjlemon * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2437904Sjlemon * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2537904Sjlemon * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2637904Sjlemon * SUCH DAMAGE.
2792986Sobrien *
2892986Sobrien * $FreeBSD: head/sys/dev/ichwd/ichwd.h 155785 2006-02-17 18:46:18Z ambrisko $
2937904Sjlemon */
3037904Sjlemon
3137904Sjlemon#ifndef _ICHWD_H_
3237904Sjlemon#define _ICHWD_H_
3337904Sjlemon
3437904Sjlemonstruct ichwd_device {
3550817Sluoqi	uint16_t		 vendor;
3637904Sjlemon	uint16_t		 device;
3737904Sjlemon	char			*desc;
3850817Sluoqi};
3937904Sjlemon
40124296Snectarstruct ichwd_softc {
4137904Sjlemon	device_t		 device;
42
43	int			 active;
44	unsigned int		 timeout;
45
46	int			 smi_rid;
47	struct resource		*smi_res;
48	bus_space_tag_t		 smi_bst;
49	bus_space_handle_t	 smi_bsh;
50
51	int			 tco_rid;
52	struct resource		*tco_res;
53	bus_space_tag_t		 tco_bst;
54	bus_space_handle_t	 tco_bsh;
55
56	eventhandler_tag	 ev_tag;
57};
58
59#define VENDORID_INTEL		0x8086
60#define DEVICEID_82801AA	0x2410
61#define DEVICEID_82801AB	0x2420
62#define DEVICEID_82801BA	0x2440
63#define DEVICEID_82801BAM	0x244c
64#define DEVICEID_82801CA	0x2480
65#define DEVICEID_82801CAM	0x248c
66#define DEVICEID_82801DB	0x24c0
67#define DEVICEID_82801DBM	0x24cc
68#define DEVICEID_82801E		0x2450
69#define DEVICEID_82801EBR	0x24d0
70#define DEVICEID_6300ESB	0x25a1
71#define DEVICEID_82801FBR	0x2640
72#define DEVICEID_ICH5		0x27b8
73
74/* ICH LPC Interface Bridge Registers */
75#define ICH_GEN_STA		0xd4
76#define ICH_GEN_STA_NO_REBOOT	0x02
77#define ICH_PMBASE		0x40 /* ACPI base address register */
78#define ICH_PMBASE_MASK		0x7f80 /* bits 7-15 */
79
80/* register names and locations (relative to PMBASE) */
81#define SMI_BASE		0x30 /* base address for SMI registers */
82#define SMI_LEN			0x08
83#define SMI_EN			0x00 /* SMI Control and Enable Register */
84#define SMI_STS			0x04 /* SMI Status Register */
85#define TCO_BASE		0x60 /* base address for TCO registers */
86#define TCO_LEN			0x0a
87#define TCO_RLD			0x00 /* TCO Reload and Current Value */
88#define TCO_TMR			0x01 /* TCO Timer Initial Value */
89#define TCO_DAT_IN		0x02 /* TCO Data In (DO NOT USE) */
90#define TCO_DAT_OUT		0x03 /* TCO Data Out (DO NOT USE) */
91#define TCO1_STS		0x04 /* TCO Status 1 */
92#define TCO2_STS		0x06 /* TCO Status 2 */
93#define TCO1_CNT		0x08 /* TCO Control 1 */
94
95/* bit definitions for SMI_EN and SMI_STS */
96#define SMI_TCO_EN		0x2000
97#define SMI_TCO_STS		0x2000
98
99/* timer value mask for TCO_RLD and TCO_TMR */
100#define TCO_TIMER_MASK		0x1f
101
102/* status bits for TCO1_STS */
103#define TCO_TIMEOUT		0x08 /* timed out */
104#define TCO_INT_STS		0x04 /* data out (DO NOT USE) */
105#define TCO_SMI_STS		0x02 /* data in (DO NOT USE) */
106
107/* status bits for TCO2_STS */
108#define TCO_BOOT_STS		0x04 /* failed to come out of reset */
109#define TCO_SECOND_TO_STS	0x02 /* ran down twice */
110
111/* control bits for TCO1_CNT */
112#define TCO_TMR_HALT		0x0800 /* clear to enable WDT */
113#define TCO_CNT_PRESERVE	0x0200 /* preserve these bits */
114
115/* approximate length in nanoseconds of one WDT tick */
116#define ICHWD_TICK		1800000000
117
118/* minimum / maximum timeout in WDT ticks */
119#define ICHWD_MIN_TIMEOUT	2
120#define ICHWD_MAX_TIMEOUT	63
121
122#endif
123