xref: /freebsd/sys/dev/ichwd/ichwd.h (revision 85732ac8)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2004 Texas A&M University
5  * All rights reserved.
6  *
7  * Developer: Wm. Daryl Hawkins
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * $FreeBSD$
31  */
32 
33 #ifndef _ICHWD_H_
34 #define	_ICHWD_H_
35 
36 struct ichwd_device {
37 	uint16_t		 device;
38 	char			*desc;
39 	unsigned int		 ich_version;
40 	unsigned int		 tco_version;
41 };
42 
43 struct ichwd_softc {
44 	device_t		 device;
45 	device_t		 ich;
46 	int			 ich_version;
47 	int			 tco_version;
48 
49 	int			 active;
50 	unsigned int		 timeout;
51 
52 	int			 smi_enabled;
53 	int			 smi_rid;
54 	struct resource		*smi_res;
55 
56 	int			 tco_rid;
57 	struct resource		*tco_res;
58 
59 	int			 gcs_rid;
60 	struct resource		*gcs_res;
61 
62 	eventhandler_tag	 ev_tag;
63 };
64 
65 #define	VENDORID_INTEL		0x8086
66 #define	DEVICEID_BAYTRAIL	0x0f1c
67 #define	DEVICEID_CPT0		0x1c40
68 #define	DEVICEID_CPT1		0x1c41
69 #define	DEVICEID_CPT2		0x1c42
70 #define	DEVICEID_CPT3		0x1c43
71 #define	DEVICEID_CPT4		0x1c44
72 #define	DEVICEID_CPT5		0x1c45
73 #define	DEVICEID_CPT6		0x1c46
74 #define	DEVICEID_CPT7		0x1c47
75 #define	DEVICEID_CPT8		0x1c48
76 #define	DEVICEID_CPT9		0x1c49
77 #define	DEVICEID_CPT10		0x1c4a
78 #define	DEVICEID_CPT11		0x1c4b
79 #define	DEVICEID_CPT12		0x1c4c
80 #define	DEVICEID_CPT13		0x1c4d
81 #define	DEVICEID_CPT14		0x1c4e
82 #define	DEVICEID_CPT15		0x1c4f
83 #define	DEVICEID_CPT16		0x1c50
84 #define	DEVICEID_CPT17		0x1c51
85 #define	DEVICEID_CPT18		0x1c52
86 #define	DEVICEID_CPT19		0x1c53
87 #define	DEVICEID_CPT20		0x1c54
88 #define	DEVICEID_CPT21		0x1c55
89 #define	DEVICEID_CPT22		0x1c56
90 #define	DEVICEID_CPT23		0x1c57
91 #define	DEVICEID_CPT24		0x1c58
92 #define	DEVICEID_CPT25		0x1c59
93 #define	DEVICEID_CPT26		0x1c5a
94 #define	DEVICEID_CPT27		0x1c5b
95 #define	DEVICEID_CPT28		0x1c5c
96 #define	DEVICEID_CPT29		0x1c5d
97 #define	DEVICEID_CPT30		0x1c5e
98 #define	DEVICEID_CPT31		0x1c5f
99 #define	DEVICEID_PATSBURG_LPC1	0x1d40
100 #define	DEVICEID_PATSBURG_LPC2	0x1d41
101 #define	DEVICEID_PPT0		0x1e40
102 #define	DEVICEID_PPT1		0x1e41
103 #define	DEVICEID_PPT2		0x1e42
104 #define	DEVICEID_PPT3		0x1e43
105 #define	DEVICEID_PPT4		0x1e44
106 #define	DEVICEID_PPT5		0x1e45
107 #define	DEVICEID_PPT6		0x1e46
108 #define	DEVICEID_PPT7		0x1e47
109 #define	DEVICEID_PPT8		0x1e48
110 #define	DEVICEID_PPT9		0x1e49
111 #define	DEVICEID_PPT10		0x1e4a
112 #define	DEVICEID_PPT11		0x1e4b
113 #define	DEVICEID_PPT12		0x1e4c
114 #define	DEVICEID_PPT13		0x1e4d
115 #define	DEVICEID_PPT14		0x1e4e
116 #define	DEVICEID_PPT15		0x1e4f
117 #define	DEVICEID_PPT16		0x1e50
118 #define	DEVICEID_PPT17		0x1e51
119 #define	DEVICEID_PPT18		0x1e52
120 #define	DEVICEID_PPT19		0x1e53
121 #define	DEVICEID_PPT20		0x1e54
122 #define	DEVICEID_PPT21		0x1e55
123 #define	DEVICEID_PPT22		0x1e56
124 #define	DEVICEID_PPT23		0x1e57
125 #define	DEVICEID_PPT24		0x1e58
126 #define	DEVICEID_PPT25		0x1e59
127 #define	DEVICEID_PPT26		0x1e5a
128 #define	DEVICEID_PPT27		0x1e5b
129 #define	DEVICEID_PPT28		0x1e5c
130 #define	DEVICEID_PPT29		0x1e5d
131 #define	DEVICEID_PPT30		0x1e5e
132 #define	DEVICEID_PPT31		0x1e5f
133 #define	DEVICEID_AVN0		0x1f38
134 #define	DEVICEID_AVN1		0x1f39
135 #define	DEVICEID_AVN2		0x1f3a
136 #define	DEVICEID_AVN3		0x1f3b
137 #define	DEVICEID_BRASWELL	0x229c
138 #define	DEVICEID_DH89XXCC_LPC	0x2310
139 #define	DEVICEID_COLETOCRK_LPC	0x2390
140 #define	DEVICEID_82801AA	0x2410
141 #define	DEVICEID_82801AB	0x2420
142 #define	DEVICEID_82801BA	0x2440
143 #define	DEVICEID_82801BAM	0x244c
144 #define	DEVICEID_82801CA	0x2480
145 #define	DEVICEID_82801CAM	0x248c
146 #define	DEVICEID_82801DB	0x24c0
147 #define	DEVICEID_82801DBM	0x24cc
148 #define	DEVICEID_82801E		0x2450
149 #define	DEVICEID_82801EB	0x24dc
150 #define	DEVICEID_82801EBR	0x24d0
151 #define	DEVICEID_6300ESB	0x25a1
152 #define	DEVICEID_82801FBR	0x2640
153 #define	DEVICEID_ICH6M		0x2641
154 #define	DEVICEID_ICH6W		0x2642
155 #define	DEVICEID_63XXESB	0x2670
156 #define	DEVICEID_ICH7		0x27b8
157 #define	DEVICEID_ICH7DH		0x27b0
158 #define	DEVICEID_ICH7M		0x27b9
159 #define	DEVICEID_NM10		0x27bc
160 #define	DEVICEID_ICH7MDH	0x27bd
161 #define	DEVICEID_ICH8		0x2810
162 #define	DEVICEID_ICH8DH		0x2812
163 #define	DEVICEID_ICH8DO		0x2814
164 #define	DEVICEID_ICH8M		0x2815
165 #define	DEVICEID_ICH8ME		0x2811
166 #define	DEVICEID_ICH9		0x2918
167 #define	DEVICEID_ICH9DH		0x2912
168 #define	DEVICEID_ICH9DO		0x2914
169 #define	DEVICEID_ICH9M		0x2919
170 #define	DEVICEID_ICH9ME		0x2917
171 #define	DEVICEID_ICH9R		0x2916
172 #define	DEVICEID_ICH10		0x3a18
173 #define	DEVICEID_ICH10D		0x3a1a
174 #define	DEVICEID_ICH10DO	0x3a14
175 #define	DEVICEID_ICH10R		0x3a16
176 #define	DEVICEID_PCH		0x3b00
177 #define	DEVICEID_PCHM		0x3b01
178 #define	DEVICEID_P55		0x3b02
179 #define	DEVICEID_PM55		0x3b03
180 #define	DEVICEID_H55		0x3b06
181 #define	DEVICEID_QM57		0x3b07
182 #define	DEVICEID_H57		0x3b08
183 #define	DEVICEID_HM55		0x3b09
184 #define	DEVICEID_Q57		0x3b0a
185 #define	DEVICEID_HM57		0x3b0b
186 #define	DEVICEID_PCHMSFF	0x3b0d
187 #define	DEVICEID_QS57		0x3b0f
188 #define	DEVICEID_3400		0x3b12
189 #define	DEVICEID_3420		0x3b14
190 #define	DEVICEID_3450		0x3b16
191 #define	DEVICEID_LPT0		0x8c40
192 #define	DEVICEID_LPT1		0x8c41
193 #define	DEVICEID_LPT2		0x8c42
194 #define	DEVICEID_LPT3		0x8c43
195 #define	DEVICEID_LPT4		0x8c44
196 #define	DEVICEID_LPT5		0x8c45
197 #define	DEVICEID_LPT6		0x8c46
198 #define	DEVICEID_LPT7		0x8c47
199 #define	DEVICEID_LPT8		0x8c48
200 #define	DEVICEID_LPT9		0x8c49
201 #define	DEVICEID_LPT10		0x8c4a
202 #define	DEVICEID_LPT11		0x8c4b
203 #define	DEVICEID_LPT12		0x8c4c
204 #define	DEVICEID_LPT13		0x8c4d
205 #define	DEVICEID_LPT14		0x8c4e
206 #define	DEVICEID_LPT15		0x8c4f
207 #define	DEVICEID_LPT16		0x8c50
208 #define	DEVICEID_LPT17		0x8c51
209 #define	DEVICEID_LPT18		0x8c52
210 #define	DEVICEID_LPT19		0x8c53
211 #define	DEVICEID_LPT20		0x8c54
212 #define	DEVICEID_LPT21		0x8c55
213 #define	DEVICEID_LPT22		0x8c56
214 #define	DEVICEID_LPT23		0x8c57
215 #define	DEVICEID_LPT24		0x8c58
216 #define	DEVICEID_LPT25		0x8c59
217 #define	DEVICEID_LPT26		0x8c5a
218 #define	DEVICEID_LPT27		0x8c5b
219 #define	DEVICEID_LPT28		0x8c5c
220 #define	DEVICEID_LPT29		0x8c5d
221 #define	DEVICEID_LPT30		0x8c5e
222 #define	DEVICEID_LPT31		0x8c5f
223 #define	DEVICEID_WCPT1		0x8cc1
224 #define	DEVICEID_WCPT2		0x8cc2
225 #define	DEVICEID_WCPT3		0x8cc3
226 #define	DEVICEID_WCPT4		0x8cc4
227 #define	DEVICEID_WCPT6		0x8cc6
228 #define	DEVICEID_WBG0		0x8d40
229 #define	DEVICEID_WBG1		0x8d41
230 #define	DEVICEID_WBG2		0x8d42
231 #define	DEVICEID_WBG3		0x8d43
232 #define	DEVICEID_WBG4		0x8d44
233 #define	DEVICEID_WBG5		0x8d45
234 #define	DEVICEID_WBG6		0x8d46
235 #define	DEVICEID_WBG7		0x8d47
236 #define	DEVICEID_WBG8		0x8d48
237 #define	DEVICEID_WBG9		0x8d49
238 #define	DEVICEID_WBG10		0x8d4a
239 #define	DEVICEID_WBG11		0x8d4b
240 #define	DEVICEID_WBG12		0x8d4c
241 #define	DEVICEID_WBG13		0x8d4d
242 #define	DEVICEID_WBG14		0x8d4e
243 #define	DEVICEID_WBG15		0x8d4f
244 #define	DEVICEID_WBG16		0x8d50
245 #define	DEVICEID_WBG17		0x8d51
246 #define	DEVICEID_WBG18		0x8d52
247 #define	DEVICEID_WBG19		0x8d53
248 #define	DEVICEID_WBG20		0x8d54
249 #define	DEVICEID_WBG21		0x8d55
250 #define	DEVICEID_WBG22		0x8d56
251 #define	DEVICEID_WBG23		0x8d57
252 #define	DEVICEID_WBG24		0x8d58
253 #define	DEVICEID_WBG25		0x8d59
254 #define	DEVICEID_WBG26		0x8d5a
255 #define	DEVICEID_WBG27		0x8d5b
256 #define	DEVICEID_WBG28		0x8d5c
257 #define	DEVICEID_WBG29		0x8d5d
258 #define	DEVICEID_WBG30		0x8d5e
259 #define	DEVICEID_WBG31		0x8d5f
260 #define	DEVICEID_LPT_LP0	0x9c40
261 #define	DEVICEID_LPT_LP1	0x9c41
262 #define	DEVICEID_LPT_LP2	0x9c42
263 #define	DEVICEID_LPT_LP3	0x9c43
264 #define	DEVICEID_LPT_LP4	0x9c44
265 #define	DEVICEID_LPT_LP5	0x9c45
266 #define	DEVICEID_LPT_LP6	0x9c46
267 #define	DEVICEID_LPT_LP7	0x9c47
268 #define	DEVICEID_WCPT_LP1	0x9cc1
269 #define	DEVICEID_WCPT_LP2	0x9cc2
270 #define	DEVICEID_WCPT_LP3	0x9cc3
271 #define	DEVICEID_WCPT_LP5	0x9cc5
272 #define	DEVICEID_WCPT_LP6	0x9cc6
273 #define	DEVICEID_WCPT_LP7	0x9cc7
274 #define	DEVICEID_WCPT_LP9	0x9cc9
275 #define	DEVICEID_LEWISBURG_SMB	0xa1a3
276 
277 /* ICH LPC Interface Bridge Registers (ICH5 and older) */
278 #define	ICH_GEN_STA		0xd4
279 #define	ICH_GEN_STA_NO_REBOOT	0x02
280 #define	ICH_PMBASE		0x40 /* ACPI base address register */
281 #define	ICH_PMBASE_MASK		0x7f80 /* bits 7-15 */
282 
283 /* ICH Chipset Configuration Registers (ICH6 and newer) */
284 #define	ICH_RCBA		0xf0
285 #define	ICH_GCS_OFFSET		0x3410
286 #define	ICH_GCS_SIZE		0x4
287 #define	ICH_GCS_NO_REBOOT	0x20
288 
289 /* SoC Power Management Configuration Registers */
290 #define	ICH_PBASE		0x44
291 #define	ICH_PMC_OFFSET		0x08
292 #define	ICH_PMC_SIZE		0x4
293 #define	ICH_PMC_NO_REBOOT	0x10
294 
295 /* Lewisburg configration registers in SMBus controller. */
296 #define	ICH_TCOBASE			0x50    /* TCO Base Addr */
297 #define	ICH_TCOBASE_ADDRMASK		0xffe0
298 #define	ICH_TCOBASE_SIZE		32
299 #define	ICH_TCOCTL			0x54    /* TCO Control */
300 #define	ICH_TCOCTL_TCO_BASE_EN		0x0100  /* TCO Base decoding enabled */
301 #define	ICH_TCOCTL_TCO_BASE_LOCK	0x0001  /* TCOBASE is locked */
302 
303 /* register names and locations (relative to PMBASE) */
304 #define	SMI_BASE		0x30 /* base address for SMI registers */
305 #define	SMI_LEN			0x08
306 #define	SMI_EN			0x00 /* SMI Control and Enable Register */
307 #define	SMI_STS			0x04 /* SMI Status Register */
308 #define	TCO_BASE		0x60 /* base address for TCO registers */
309 #define	TCO_LEN			0x20
310 #define	TCO_RLD			0x00 /* TCO Reload and Current Value */
311 #define	TCO_TMR1		0x01 /* TCO Timer Initial Value
312 					(ICH5 and older, 8 bits) */
313 #define	TCO_TMR2		0x12 /* TCO Timer Initial Value
314 					(ICH6 and newer, 16 bits) */
315 #define	TCO_DAT_IN		0x02 /* TCO Data In (DO NOT USE) */
316 #define	TCO_DAT_OUT		0x03 /* TCO Data Out (DO NOT USE) */
317 #define	TCO1_STS		0x04 /* TCO Status 1 */
318 #define	TCO2_STS		0x06 /* TCO Status 2 */
319 #define	TCO1_CNT		0x08 /* TCO Control 1 */
320 #define	TCO2_CNT		0x08 /* TCO Control 2 */
321 #define	TCO_MESSAGE1		0x0c /* TCO Message 1 */
322 #define	TCO_MESSAGE2		0x0d /* TCO Message 2 */
323 #define	TCO_WDSTATUS		0x0e /* TCO Watchdog status */
324 #define	TCO_TMR			0x12 /* TCP Reload value */
325 
326 /* bit definitions for SMI_EN and SMI_STS */
327 #define	SMI_TCO_EN		0x2000
328 #define	SMI_TCO_STS		0x2000
329 #define	SMI_GBL_EN		0x0001
330 
331 /* timer value mask for TCO_RLD and TCO_TMR */
332 #define	TCO_TIMER_MASK		0x1f
333 #define	TCO_TIMER_MASK2		0x2f
334 
335 /* status bits for TCO1_STS */
336 #define	TCO_SLVSEL		0x2000	/* TCO Slave Select Soft Strap */
337 #define	TCO_CPUSERR_STS		0x1000
338 #define	TCO_CPUSMI_STS		0x0400
339 #define	TCO_CPUSCI_STS		0x0200
340 #define	TCO_BIOSWR_STS		0x0100
341 #define	TCO_NEWCENTURY		0x0080	/* set for RTC year roll over
342 					   (99 to 00) */
343 #define	TCO_TIMEOUT		0x0008	/* timed out */
344 #define	TCO_INT_STS		0x0004	/* data out (DO NOT USE) */
345 #define	TCO_SMI_STS		0x0002	/* data in (DO NOT USE) */
346 #define	TCO_NMI2SMI_STS		0x0001
347 
348 /* status bits for TCO2_STS */
349 #define	TCO_SMLINK_SLAVE_SMI	0x0010
350 #define	TCO_BOOT_STS		0x0004	/* failed to come out of reset */
351 #define	TCO_SECOND_TO_STS	0x0002	/* ran down twice */
352 #define	TCO_INTRD_DET		0x0001
353 
354 /* control bits for TCO1_CNT */
355 #define	TCO_LOCK		0x1000		/* SMI_BASE.TCO_EN locked */
356 #define	TCO_TMR_HALT		0x0800		/* clear to enable WDT */
357 #define	TCO_NMI2SMI_EN		0x0200		/* convert NMIs to SMIs */
358 #define	TCO_CNT_PRESERVE	TCO_NMI2SMI_EN	/* preserve these bits */
359 #define	TCO_NMI_NOW		0x0100		/* trigger an NMI */
360 
361 /* control bits for TCO2_CNT */
362 #define	TCO_OS_POLICY		0x0030		/* mask */
363 #define	TCO_OS_POLICY_BOOT	0x0000
364 #define	TCO_OS_POLICY_SHUTD	0x0010
365 #define	TCO_OS_POLICY_NOLOAD	0x0020
366 #define	TCO_SMB_ALERT_DISABLE	0x0008
367 #define	TCO_INTRD_SEL		0x0003		/* mask */
368 #define	TCO_INTRD_SEL_SILENT	0x0000
369 #define	TCO_INTRD_SEL_INTR	0x0001
370 #define	TCO_INTRD_SEL_SMI	0x0002
371 
372 /*
373  * Masks for the TCO timer value field in TCO_RLD.
374  * If the datasheets are to be believed, the minimum value actually varies
375  * from chipset to chipset - 4 for ICH5 and 2 for all other chipsets.
376  * I suspect this is a bug in the ICH5 datasheet and that the minimum is
377  * uniformly 2, but I'd rather err on the side of caution.
378  */
379 #define	TCO_RLD_TMR_MIN		0x0004
380 #define	TCO_RLD1_TMR_MAX	0x003f
381 #define	TCO_RLD2_TMR_MAX	0x03ff
382 
383 /*
384  * Approximate length in nanoseconds of one WDT tick (about 0.6 sec)
385  * for TCO v1/v2/v4
386  */
387 #define	ICHWD_TICK		600000000
388 /*
389  * Approximate length in nanoseconds of one WDT tick (about 1.0 sec)
390  * for TCO v3
391  */
392 #define	ICHWD_TCO_V3_TICK	1000000000
393 
394 #endif
395