xref: /freebsd/sys/dev/ichwd/ichwd.h (revision c6ec7d31830ab1c80edae95ad5e4b9dba10c47ac)
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_enabled;
49 	int			 smi_rid;
50 	struct resource		*smi_res;
51 
52 	int			 tco_rid;
53 	struct resource		*tco_res;
54 
55 	int			 gcs_rid;
56 	struct resource		*gcs_res;
57 
58 	eventhandler_tag	 ev_tag;
59 };
60 
61 #define VENDORID_INTEL		0x8086
62 #define DEVICEID_CPT0		0x1c40
63 #define DEVICEID_CPT1		0x1c41
64 #define DEVICEID_CPT2		0x1c42
65 #define DEVICEID_CPT3		0x1c43
66 #define DEVICEID_CPT4		0x1c44
67 #define DEVICEID_CPT5		0x1c45
68 #define DEVICEID_CPT6		0x1c46
69 #define DEVICEID_CPT7		0x1c47
70 #define DEVICEID_CPT8		0x1c48
71 #define DEVICEID_CPT9		0x1c49
72 #define DEVICEID_CPT10		0x1c4a
73 #define DEVICEID_CPT11		0x1c4b
74 #define DEVICEID_CPT12		0x1c4c
75 #define DEVICEID_CPT13		0x1c4d
76 #define DEVICEID_CPT14		0x1c4e
77 #define DEVICEID_CPT15		0x1c4f
78 #define DEVICEID_CPT16		0x1c50
79 #define DEVICEID_CPT17		0x1c51
80 #define DEVICEID_CPT18		0x1c52
81 #define DEVICEID_CPT19		0x1c53
82 #define DEVICEID_CPT20		0x1c54
83 #define DEVICEID_CPT21		0x1c55
84 #define DEVICEID_CPT22		0x1c56
85 #define DEVICEID_CPT23		0x1c57
86 #define DEVICEID_CPT24		0x1c58
87 #define DEVICEID_CPT25		0x1c59
88 #define DEVICEID_CPT26		0x1c5a
89 #define DEVICEID_CPT27		0x1c5b
90 #define DEVICEID_CPT28		0x1c5c
91 #define DEVICEID_CPT29		0x1c5d
92 #define DEVICEID_CPT30		0x1c5e
93 #define DEVICEID_CPT31		0x1c5f
94 #define DEVICEID_PATSBURG_LPC1	0x1d40
95 #define DEVICEID_PATSBURG_LPC2	0x1d41
96 #define DEVICEID_PPT0		0x1e40
97 #define DEVICEID_PPT1		0x1e41
98 #define DEVICEID_PPT2		0x1e42
99 #define DEVICEID_PPT3		0x1e43
100 #define DEVICEID_PPT4		0x1e44
101 #define DEVICEID_PPT5		0x1e45
102 #define DEVICEID_PPT6		0x1e46
103 #define DEVICEID_PPT7		0x1e47
104 #define DEVICEID_PPT8		0x1e48
105 #define DEVICEID_PPT9		0x1e49
106 #define DEVICEID_PPT10		0x1e4a
107 #define DEVICEID_PPT11		0x1e4b
108 #define DEVICEID_PPT12		0x1e4c
109 #define DEVICEID_PPT13		0x1e4d
110 #define DEVICEID_PPT14		0x1e4e
111 #define DEVICEID_PPT15		0x1e4f
112 #define DEVICEID_PPT16		0x1e50
113 #define DEVICEID_PPT17		0x1e51
114 #define DEVICEID_PPT18		0x1e52
115 #define DEVICEID_PPT19		0x1e53
116 #define DEVICEID_PPT20		0x1e54
117 #define DEVICEID_PPT21		0x1e55
118 #define DEVICEID_PPT22		0x1e56
119 #define DEVICEID_PPT23		0x1e57
120 #define DEVICEID_PPT24		0x1e58
121 #define DEVICEID_PPT25		0x1e59
122 #define DEVICEID_PPT26		0x1e5a
123 #define DEVICEID_PPT27		0x1e5b
124 #define DEVICEID_PPT28		0x1e5c
125 #define DEVICEID_PPT29		0x1e5d
126 #define DEVICEID_PPT30		0x1e5e
127 #define DEVICEID_PPT31		0x1e5f
128 #define DEVICEID_DH89XXCC_LPC	0x2310
129 #define DEVICEID_82801AA	0x2410
130 #define DEVICEID_82801AB	0x2420
131 #define DEVICEID_82801BA	0x2440
132 #define DEVICEID_82801BAM	0x244c
133 #define DEVICEID_82801CA	0x2480
134 #define DEVICEID_82801CAM	0x248c
135 #define DEVICEID_82801DB	0x24c0
136 #define DEVICEID_82801DBM	0x24cc
137 #define DEVICEID_82801E		0x2450
138 #define DEVICEID_82801EB	0x24dc
139 #define DEVICEID_82801EBR	0x24d0
140 #define DEVICEID_6300ESB	0x25a1
141 #define DEVICEID_82801FBR	0x2640
142 #define DEVICEID_ICH6M		0x2641
143 #define DEVICEID_ICH6W		0x2642
144 #define DEVICEID_63XXESB	0x2670
145 #define DEVICEID_ICH7		0x27b8
146 #define DEVICEID_ICH7DH		0x27b0
147 #define DEVICEID_ICH7M		0x27b9
148 #define DEVICEID_NM10		0x27bc
149 #define DEVICEID_ICH7MDH	0x27bd
150 #define DEVICEID_ICH8		0x2810
151 #define DEVICEID_ICH8DH		0x2812
152 #define DEVICEID_ICH8DO		0x2814
153 #define DEVICEID_ICH8M		0x2815
154 #define DEVICEID_ICH8ME		0x2811
155 #define DEVICEID_ICH9		0x2918
156 #define DEVICEID_ICH9DH		0x2912
157 #define DEVICEID_ICH9DO		0x2914
158 #define DEVICEID_ICH9M		0x2919
159 #define DEVICEID_ICH9ME		0x2917
160 #define DEVICEID_ICH9R		0x2916
161 #define DEVICEID_ICH10		0x3a18
162 #define DEVICEID_ICH10D		0x3a1a
163 #define DEVICEID_ICH10DO	0x3a14
164 #define DEVICEID_ICH10R		0x3a16
165 #define DEVICEID_PCH		0x3b00
166 #define DEVICEID_PCHM		0x3b01
167 #define DEVICEID_P55		0x3b02
168 #define DEVICEID_PM55		0x3b03
169 #define DEVICEID_H55		0x3b06
170 #define DEVICEID_QM57		0x3b07
171 #define DEVICEID_H57		0x3b08
172 #define DEVICEID_HM55		0x3b09
173 #define DEVICEID_Q57		0x3b0a
174 #define DEVICEID_HM57		0x3b0b
175 #define DEVICEID_PCHMSFF	0x3b0d
176 #define DEVICEID_QS57		0x3b0f
177 #define DEVICEID_3400		0x3b12
178 #define DEVICEID_3420		0x3b14
179 #define DEVICEID_3450		0x3b16
180 
181 /* ICH LPC Interface Bridge Registers (ICH5 and older) */
182 #define ICH_GEN_STA		0xd4
183 #define ICH_GEN_STA_NO_REBOOT	0x02
184 #define ICH_PMBASE		0x40 /* ACPI base address register */
185 #define ICH_PMBASE_MASK		0x7f80 /* bits 7-15 */
186 
187 /* ICH Chipset Configuration Registers (ICH6 and newer) */
188 #define ICH_RCBA		0xf0
189 #define ICH_GCS_OFFSET		0x3410
190 #define ICH_GCS_SIZE		0x4
191 #define ICH_GCS_NO_REBOOT	0x20
192 
193 /* register names and locations (relative to PMBASE) */
194 #define SMI_BASE		0x30 /* base address for SMI registers */
195 #define SMI_LEN			0x08
196 #define SMI_EN			0x00 /* SMI Control and Enable Register */
197 #define SMI_STS			0x04 /* SMI Status Register */
198 #define TCO_BASE		0x60 /* base address for TCO registers */
199 #define TCO_LEN			0x20
200 #define TCO_RLD			0x00 /* TCO Reload and Current Value */
201 #define TCO_TMR1		0x01 /* TCO Timer Initial Value
202 					(ICH5 and older, 8 bits) */
203 #define TCO_TMR2		0x12 /* TCO Timer Initial Value
204 					(ICH6 and newer, 16 bits) */
205 #define TCO_DAT_IN		0x02 /* TCO Data In (DO NOT USE) */
206 #define TCO_DAT_OUT		0x03 /* TCO Data Out (DO NOT USE) */
207 #define TCO1_STS		0x04 /* TCO Status 1 */
208 #define TCO2_STS		0x06 /* TCO Status 2 */
209 #define TCO1_CNT		0x08 /* TCO Control 1 */
210 #define TCO2_CNT		0x08 /* TCO Control 2 */
211 #define TCO_MESSAGE1		0x0c /* TCO Message 1 */
212 #define TCO_MESSAGE2		0x0d /* TCO Message 2 */
213 
214 /* bit definitions for SMI_EN and SMI_STS */
215 #define SMI_TCO_EN		0x2000
216 #define SMI_TCO_STS		0x2000
217 #define SMI_GBL_EN		0x0001
218 
219 /* timer value mask for TCO_RLD and TCO_TMR */
220 #define TCO_TIMER_MASK		0x1f
221 
222 /* status bits for TCO1_STS */
223 #define TCO_NEWCENTURY		0x80 /* set for RTC year roll over (99 to 00) */
224 #define TCO_TIMEOUT		0x08 /* timed out */
225 #define TCO_INT_STS		0x04 /* data out (DO NOT USE) */
226 #define TCO_SMI_STS		0x02 /* data in (DO NOT USE) */
227 
228 /* status bits for TCO2_STS */
229 #define TCO_BOOT_STS		0x04 /* failed to come out of reset */
230 #define TCO_SECOND_TO_STS	0x02 /* ran down twice */
231 
232 /* control bits for TCO1_CNT */
233 #define TCO_TMR_HALT		0x0800		/* clear to enable WDT */
234 #define TCO_NMI2SMI_EN		0x0200		/* convert NMIs to SMIs */
235 #define TCO_CNT_PRESERVE	TCO_NMI2SMI_EN	/* preserve these bits */
236 #define TCO_NMI_NOW		0x0100		/* trigger an NMI */
237 
238 /*
239  * Masks for the TCO timer value field in TCO_RLD.
240  * If the datasheets are to be believed, the minimum value actually varies
241  * from chipset to chipset - 4 for ICH5 and 2 for all other chipsets.
242  * I suspect this is a bug in the ICH5 datasheet and that the minimum is
243  * uniformly 2, but I'd rather err on the side of caution.
244  */
245 #define TCO_RLD_TMR_MIN		0x0004
246 #define TCO_RLD1_TMR_MAX	0x003f
247 #define TCO_RLD2_TMR_MAX	0x03ff
248 
249 /* approximate length in nanoseconds of one WDT tick (about 0.6 sec) */
250 #define ICHWD_TICK		600000000
251 
252 #endif
253