xref: /freebsd/sys/dev/ichwd/ichwd.h (revision 9bd497b8354567454e075076d40c996e21bd6095)
1 /*-
2  * Copyright (c) 2004 Texas A&M University
3  * All rights reserved.
4  *
5  * Developer: Wm. Daryl Hawkins
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  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #ifndef _ICHWD_H_
32 #define _ICHWD_H_
33 
34 struct ichwd_device {
35 	uint16_t		 device;
36 	char			*desc;
37 	unsigned int		 version;
38 };
39 
40 struct ichwd_softc {
41 	device_t		 device;
42 	device_t		 ich;
43 	int			 ich_version;
44 
45 	int			 active;
46 	unsigned int		 timeout;
47 
48 	int			 smi_rid;
49 	struct resource		*smi_res;
50 	bus_space_tag_t		 smi_bst;
51 	bus_space_handle_t	 smi_bsh;
52 
53 	int			 tco_rid;
54 	struct resource		*tco_res;
55 	bus_space_tag_t		 tco_bst;
56 	bus_space_handle_t	 tco_bsh;
57 
58 	int			 gcs_rid;
59 	struct resource		*gcs_res;
60 	bus_space_tag_t		 gcs_bst;
61 	bus_space_handle_t	 gcs_bsh;
62 
63 	eventhandler_tag	 ev_tag;
64 };
65 
66 #define VENDORID_INTEL		0x8086
67 #define DEVICEID_82801AA	0x2410
68 #define DEVICEID_82801AB	0x2420
69 #define DEVICEID_82801BA	0x2440
70 #define DEVICEID_82801BAM	0x244c
71 #define DEVICEID_82801CA	0x2480
72 #define DEVICEID_82801CAM	0x248c
73 #define DEVICEID_82801DB	0x24c0
74 #define DEVICEID_82801DBM	0x24cc
75 #define DEVICEID_82801E		0x2450
76 #define DEVICEID_82801EB	0x24dc
77 #define DEVICEID_82801EBR	0x24d0
78 #define DEVICEID_6300ESB	0x25a1
79 #define DEVICEID_82801FBR	0x2640
80 #define DEVICEID_ICH6M		0x2641
81 #define DEVICEID_ICH6W		0x2642
82 #define DEVICEID_63XXESB	0x2670
83 #define DEVICEID_ICH7		0x27b8
84 #define DEVICEID_ICH7DH		0x27b0
85 #define DEVICEID_ICH7M		0x27b9
86 #define DEVICEID_NM10		0x27bc
87 #define DEVICEID_ICH7MDH	0x27bd
88 #define DEVICEID_ICH8		0x2810
89 #define DEVICEID_ICH8DH		0x2812
90 #define DEVICEID_ICH8DO		0x2814
91 #define DEVICEID_ICH8M		0x2815
92 #define DEVICEID_ICH8ME		0x2811
93 #define DEVICEID_ICH9		0x2918
94 #define DEVICEID_ICH9DH		0x2912
95 #define DEVICEID_ICH9DO		0x2914
96 #define DEVICEID_ICH9M		0x2919
97 #define DEVICEID_ICH9ME		0x2917
98 #define DEVICEID_ICH9R		0x2916
99 #define DEVICEID_ICH10		0x3a18
100 #define DEVICEID_ICH10D		0x3a1a
101 #define DEVICEID_ICH10DO	0x3a14
102 #define DEVICEID_ICH10R		0x3a16
103 #define DEVICEID_H55		0x3b06
104 
105 /* ICH LPC Interface Bridge Registers (ICH5 and older) */
106 #define ICH_GEN_STA		0xd4
107 #define ICH_GEN_STA_NO_REBOOT	0x02
108 #define ICH_PMBASE		0x40 /* ACPI base address register */
109 #define ICH_PMBASE_MASK		0x7f80 /* bits 7-15 */
110 
111 /* ICH Chipset Configuration Registers (ICH6 and newer) */
112 #define ICH_RCBA		0xf0
113 #define ICH_GCS_OFFSET		0x3410
114 #define ICH_GCS_SIZE		0x4
115 #define ICH_GCS_NO_REBOOT	0x20
116 
117 /* register names and locations (relative to PMBASE) */
118 #define SMI_BASE		0x30 /* base address for SMI registers */
119 #define SMI_LEN			0x08
120 #define SMI_EN			0x00 /* SMI Control and Enable Register */
121 #define SMI_STS			0x04 /* SMI Status Register */
122 #define TCO_BASE		0x60 /* base address for TCO registers */
123 #define TCO_LEN			0x20
124 #define TCO_RLD			0x00 /* TCO Reload and Current Value */
125 #define TCO_TMR1		0x01 /* TCO Timer Initial Value
126 					(ICH5 and older, 8 bits) */
127 #define TCO_TMR2		0x12 /* TCO Timer Initial Value
128 					(ICH6 and newer, 16 bits) */
129 #define TCO_DAT_IN		0x02 /* TCO Data In (DO NOT USE) */
130 #define TCO_DAT_OUT		0x03 /* TCO Data Out (DO NOT USE) */
131 #define TCO1_STS		0x04 /* TCO Status 1 */
132 #define TCO2_STS		0x06 /* TCO Status 2 */
133 #define TCO1_CNT		0x08 /* TCO Control 1 */
134 #define TCO2_CNT		0x08 /* TCO Control 2 */
135 
136 /* bit definitions for SMI_EN and SMI_STS */
137 #define SMI_TCO_EN		0x2000
138 #define SMI_TCO_STS		0x2000
139 
140 /* timer value mask for TCO_RLD and TCO_TMR */
141 #define TCO_TIMER_MASK		0x1f
142 
143 /* status bits for TCO1_STS */
144 #define TCO_TIMEOUT		0x08 /* timed out */
145 #define TCO_INT_STS		0x04 /* data out (DO NOT USE) */
146 #define TCO_SMI_STS		0x02 /* data in (DO NOT USE) */
147 
148 /* status bits for TCO2_STS */
149 #define TCO_BOOT_STS		0x04 /* failed to come out of reset */
150 #define TCO_SECOND_TO_STS	0x02 /* ran down twice */
151 
152 /* control bits for TCO1_CNT */
153 #define TCO_TMR_HALT		0x0800 /* clear to enable WDT */
154 #define TCO_CNT_PRESERVE	0x0200 /* preserve these bits */
155 
156 /* approximate length in nanoseconds of one WDT tick (about 0.6 sec) */
157 #define ICHWD_TICK		600000000
158 
159 #endif
160