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
36struct ichwd_device {
37	uint16_t		 device;
38	char			*desc;
39	unsigned int		 ich_version;
40	unsigned int		 tco_version;
41};
42
43struct 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	int			 gc_rid;
63	struct resource		*gc_res;
64
65	eventhandler_tag	 ev_tag;
66};
67
68#define	VENDORID_INTEL		0x8086
69#define	DEVICEID_BAYTRAIL	0x0f1c
70#define	DEVICEID_C3000		0x19df
71#define	DEVICEID_CPT0		0x1c40
72#define	DEVICEID_CPT1		0x1c41
73#define	DEVICEID_CPT2		0x1c42
74#define	DEVICEID_CPT3		0x1c43
75#define	DEVICEID_CPT4		0x1c44
76#define	DEVICEID_CPT5		0x1c45
77#define	DEVICEID_CPT6		0x1c46
78#define	DEVICEID_CPT7		0x1c47
79#define	DEVICEID_CPT8		0x1c48
80#define	DEVICEID_CPT9		0x1c49
81#define	DEVICEID_CPT10		0x1c4a
82#define	DEVICEID_CPT11		0x1c4b
83#define	DEVICEID_CPT12		0x1c4c
84#define	DEVICEID_CPT13		0x1c4d
85#define	DEVICEID_CPT14		0x1c4e
86#define	DEVICEID_CPT15		0x1c4f
87#define	DEVICEID_CPT16		0x1c50
88#define	DEVICEID_CPT17		0x1c51
89#define	DEVICEID_CPT18		0x1c52
90#define	DEVICEID_CPT19		0x1c53
91#define	DEVICEID_CPT20		0x1c54
92#define	DEVICEID_CPT21		0x1c55
93#define	DEVICEID_CPT22		0x1c56
94#define	DEVICEID_CPT23		0x1c57
95#define	DEVICEID_CPT24		0x1c58
96#define	DEVICEID_CPT25		0x1c59
97#define	DEVICEID_CPT26		0x1c5a
98#define	DEVICEID_CPT27		0x1c5b
99#define	DEVICEID_CPT28		0x1c5c
100#define	DEVICEID_CPT29		0x1c5d
101#define	DEVICEID_CPT30		0x1c5e
102#define	DEVICEID_CPT31		0x1c5f
103#define	DEVICEID_PATSBURG_LPC1	0x1d40
104#define	DEVICEID_PATSBURG_LPC2	0x1d41
105#define	DEVICEID_PPT0		0x1e40
106#define	DEVICEID_PPT1		0x1e41
107#define	DEVICEID_PPT2		0x1e42
108#define	DEVICEID_PPT3		0x1e43
109#define	DEVICEID_PPT4		0x1e44
110#define	DEVICEID_PPT5		0x1e45
111#define	DEVICEID_PPT6		0x1e46
112#define	DEVICEID_PPT7		0x1e47
113#define	DEVICEID_PPT8		0x1e48
114#define	DEVICEID_PPT9		0x1e49
115#define	DEVICEID_PPT10		0x1e4a
116#define	DEVICEID_PPT11		0x1e4b
117#define	DEVICEID_PPT12		0x1e4c
118#define	DEVICEID_PPT13		0x1e4d
119#define	DEVICEID_PPT14		0x1e4e
120#define	DEVICEID_PPT15		0x1e4f
121#define	DEVICEID_PPT16		0x1e50
122#define	DEVICEID_PPT17		0x1e51
123#define	DEVICEID_PPT18		0x1e52
124#define	DEVICEID_PPT19		0x1e53
125#define	DEVICEID_PPT20		0x1e54
126#define	DEVICEID_PPT21		0x1e55
127#define	DEVICEID_PPT22		0x1e56
128#define	DEVICEID_PPT23		0x1e57
129#define	DEVICEID_PPT24		0x1e58
130#define	DEVICEID_PPT25		0x1e59
131#define	DEVICEID_PPT26		0x1e5a
132#define	DEVICEID_PPT27		0x1e5b
133#define	DEVICEID_PPT28		0x1e5c
134#define	DEVICEID_PPT29		0x1e5d
135#define	DEVICEID_PPT30		0x1e5e
136#define	DEVICEID_PPT31		0x1e5f
137#define	DEVICEID_AVN0		0x1f38
138#define	DEVICEID_AVN1		0x1f39
139#define	DEVICEID_AVN2		0x1f3a
140#define	DEVICEID_AVN3		0x1f3b
141#define	DEVICEID_BRASWELL	0x229c
142#define	DEVICEID_DH89XXCC_LPC	0x2310
143#define	DEVICEID_COLETOCRK_LPC	0x2390
144#define	DEVICEID_82801AA	0x2410
145#define	DEVICEID_82801AB	0x2420
146#define	DEVICEID_82801BA	0x2440
147#define	DEVICEID_82801BAM	0x244c
148#define	DEVICEID_82801CA	0x2480
149#define	DEVICEID_82801CAM	0x248c
150#define	DEVICEID_82801DB	0x24c0
151#define	DEVICEID_82801DBM	0x24cc
152#define	DEVICEID_82801E		0x2450
153#define	DEVICEID_82801EB	0x24dc
154#define	DEVICEID_82801EBR	0x24d0
155#define	DEVICEID_6300ESB	0x25a1
156#define	DEVICEID_82801FBR	0x2640
157#define	DEVICEID_ICH6M		0x2641
158#define	DEVICEID_ICH6W		0x2642
159#define	DEVICEID_63XXESB	0x2670
160#define	DEVICEID_ICH7		0x27b8
161#define	DEVICEID_ICH7DH		0x27b0
162#define	DEVICEID_ICH7M		0x27b9
163#define	DEVICEID_NM10		0x27bc
164#define	DEVICEID_ICH7MDH	0x27bd
165#define	DEVICEID_ICH8		0x2810
166#define	DEVICEID_ICH8DH		0x2812
167#define	DEVICEID_ICH8DO		0x2814
168#define	DEVICEID_ICH8M		0x2815
169#define	DEVICEID_ICH8ME		0x2811
170#define	DEVICEID_ICH9		0x2918
171#define	DEVICEID_ICH9DH		0x2912
172#define	DEVICEID_ICH9DO		0x2914
173#define	DEVICEID_ICH9M		0x2919
174#define	DEVICEID_ICH9ME		0x2917
175#define	DEVICEID_ICH9R		0x2916
176#define	DEVICEID_ICH10		0x3a18
177#define	DEVICEID_ICH10D		0x3a1a
178#define	DEVICEID_ICH10DO	0x3a14
179#define	DEVICEID_ICH10R		0x3a16
180#define	DEVICEID_PCH		0x3b00
181#define	DEVICEID_PCHM		0x3b01
182#define	DEVICEID_P55		0x3b02
183#define	DEVICEID_PM55		0x3b03
184#define	DEVICEID_H55		0x3b06
185#define	DEVICEID_QM57		0x3b07
186#define	DEVICEID_H57		0x3b08
187#define	DEVICEID_HM55		0x3b09
188#define	DEVICEID_Q57		0x3b0a
189#define	DEVICEID_HM57		0x3b0b
190#define	DEVICEID_PCHMSFF	0x3b0d
191#define	DEVICEID_QS57		0x3b0f
192#define	DEVICEID_3400		0x3b12
193#define	DEVICEID_3420		0x3b14
194#define	DEVICEID_3450		0x3b16
195#define	DEVICEID_LPT0		0x8c40
196#define	DEVICEID_LPT1		0x8c41
197#define	DEVICEID_LPT2		0x8c42
198#define	DEVICEID_LPT3		0x8c43
199#define	DEVICEID_LPT4		0x8c44
200#define	DEVICEID_LPT5		0x8c45
201#define	DEVICEID_LPT6		0x8c46
202#define	DEVICEID_LPT7		0x8c47
203#define	DEVICEID_LPT8		0x8c48
204#define	DEVICEID_LPT9		0x8c49
205#define	DEVICEID_LPT10		0x8c4a
206#define	DEVICEID_LPT11		0x8c4b
207#define	DEVICEID_LPT12		0x8c4c
208#define	DEVICEID_LPT13		0x8c4d
209#define	DEVICEID_LPT14		0x8c4e
210#define	DEVICEID_LPT15		0x8c4f
211#define	DEVICEID_LPT16		0x8c50
212#define	DEVICEID_LPT17		0x8c51
213#define	DEVICEID_LPT18		0x8c52
214#define	DEVICEID_LPT19		0x8c53
215#define	DEVICEID_LPT20		0x8c54
216#define	DEVICEID_LPT21		0x8c55
217#define	DEVICEID_LPT22		0x8c56
218#define	DEVICEID_LPT23		0x8c57
219#define	DEVICEID_LPT24		0x8c58
220#define	DEVICEID_LPT25		0x8c59
221#define	DEVICEID_LPT26		0x8c5a
222#define	DEVICEID_LPT27		0x8c5b
223#define	DEVICEID_LPT28		0x8c5c
224#define	DEVICEID_LPT29		0x8c5d
225#define	DEVICEID_LPT30		0x8c5e
226#define	DEVICEID_LPT31		0x8c5f
227#define	DEVICEID_WCPT1		0x8cc1
228#define	DEVICEID_WCPT2		0x8cc2
229#define	DEVICEID_WCPT3		0x8cc3
230#define	DEVICEID_WCPT4		0x8cc4
231#define	DEVICEID_WCPT6		0x8cc6
232#define	DEVICEID_WBG0		0x8d40
233#define	DEVICEID_WBG1		0x8d41
234#define	DEVICEID_WBG2		0x8d42
235#define	DEVICEID_WBG3		0x8d43
236#define	DEVICEID_WBG4		0x8d44
237#define	DEVICEID_WBG5		0x8d45
238#define	DEVICEID_WBG6		0x8d46
239#define	DEVICEID_WBG7		0x8d47
240#define	DEVICEID_WBG8		0x8d48
241#define	DEVICEID_WBG9		0x8d49
242#define	DEVICEID_WBG10		0x8d4a
243#define	DEVICEID_WBG11		0x8d4b
244#define	DEVICEID_WBG12		0x8d4c
245#define	DEVICEID_WBG13		0x8d4d
246#define	DEVICEID_WBG14		0x8d4e
247#define	DEVICEID_WBG15		0x8d4f
248#define	DEVICEID_WBG16		0x8d50
249#define	DEVICEID_WBG17		0x8d51
250#define	DEVICEID_WBG18		0x8d52
251#define	DEVICEID_WBG19		0x8d53
252#define	DEVICEID_WBG20		0x8d54
253#define	DEVICEID_WBG21		0x8d55
254#define	DEVICEID_WBG22		0x8d56
255#define	DEVICEID_WBG23		0x8d57
256#define	DEVICEID_WBG24		0x8d58
257#define	DEVICEID_WBG25		0x8d59
258#define	DEVICEID_WBG26		0x8d5a
259#define	DEVICEID_WBG27		0x8d5b
260#define	DEVICEID_WBG28		0x8d5c
261#define	DEVICEID_WBG29		0x8d5d
262#define	DEVICEID_WBG30		0x8d5e
263#define	DEVICEID_WBG31		0x8d5f
264#define	DEVICEID_LPT_LP0	0x9c40
265#define	DEVICEID_LPT_LP1	0x9c41
266#define	DEVICEID_LPT_LP2	0x9c42
267#define	DEVICEID_LPT_LP3	0x9c43
268#define	DEVICEID_LPT_LP4	0x9c44
269#define	DEVICEID_LPT_LP5	0x9c45
270#define	DEVICEID_LPT_LP6	0x9c46
271#define	DEVICEID_LPT_LP7	0x9c47
272#define	DEVICEID_WCPT_LP1	0x9cc1
273#define	DEVICEID_WCPT_LP2	0x9cc2
274#define	DEVICEID_WCPT_LP3	0x9cc3
275#define	DEVICEID_WCPT_LP5	0x9cc5
276#define	DEVICEID_WCPT_LP6	0x9cc6
277#define	DEVICEID_WCPT_LP7	0x9cc7
278#define	DEVICEID_WCPT_LP9	0x9cc9
279#define	DEVICEID_LEWISBURG_SMB	0xa1a3
280#define	DEVICEID_SRPTLP_SMB	0x9d23
281
282/* ICH LPC Interface Bridge Registers (ICH5 and older) */
283#define	ICH_GEN_STA		0xd4
284#define	ICH_GEN_STA_NO_REBOOT	0x02
285#define	ICH_PMBASE		0x40 /* ACPI base address register */
286#define	ICH_PMBASE_MASK		0x7f80 /* bits 7-15 */
287
288/* ICH Chipset Configuration Registers (ICH6 and newer) */
289#define	ICH_RCBA		0xf0
290#define	ICH_GCS_OFFSET		0x3410
291#define	ICH_GCS_SIZE		0x4
292#define	ICH_GCS_NO_REBOOT	0x20
293
294/* SoC Power Management Configuration Registers */
295#define	ICH_PBASE		0x44
296#define	ICH_PMC_OFFSET		0x08
297#define	ICH_PMC_SIZE		0x4
298#define	ICH_PMC_NO_REBOOT	0x10
299
300/* Lewisburg configration registers in SMBus controller. */
301#define	ICH_TCOBASE			0x50    /* TCO Base Addr */
302#define	ICH_TCOBASE_ADDRMASK		0xffe0
303#define	ICH_TCOBASE_SIZE		32
304#define	ICH_TCOCTL			0x54    /* TCO Control */
305#define	ICH_TCOCTL_TCO_BASE_EN		0x0100  /* TCO Base decoding enabled */
306#define	ICH_TCOCTL_TCO_BASE_LOCK	0x0001  /* TCOBASE is locked */
307
308/*
309 * Configuration registers in Sunrise Point and Lewisburg PCH Sideband Interface
310 * and Private Configuration Space.
311 */
312#define	SBREG_BAR		0x10
313#define	SMB_GC_REG		0xc
314#define	SMB_GC_SIZE		4
315#define	SMB_GC_NO_REBOOT	0x2
316#define	SMB_PORT_ID		0xc6
317#define	PCR_PORTID_SHIFT	16
318#define	PCR_REG_OFF(pid, reg)	(((pid) << PCR_PORTID_SHIFT) | (reg))
319
320/* register names and locations (relative to PMBASE) */
321#define	SMI_BASE		0x30 /* base address for SMI registers */
322#define	SMI_LEN			0x08
323#define	SMI_EN			0x00 /* SMI Control and Enable Register */
324#define	SMI_STS			0x04 /* SMI Status Register */
325#define	TCO_BASE		0x60 /* base address for TCO registers */
326#define	TCO_LEN			0x20
327#define	TCO_RLD			0x00 /* TCO Reload and Current Value */
328#define	TCO_TMR1		0x01 /* TCO Timer Initial Value
329					(ICH5 and older, 8 bits) */
330#define	TCO_TMR2		0x12 /* TCO Timer Initial Value
331					(ICH6 and newer, 16 bits) */
332#define	TCO_DAT_IN		0x02 /* TCO Data In (DO NOT USE) */
333#define	TCO_DAT_OUT		0x03 /* TCO Data Out (DO NOT USE) */
334#define	TCO1_STS		0x04 /* TCO Status 1 */
335#define	TCO2_STS		0x06 /* TCO Status 2 */
336#define	TCO1_CNT		0x08 /* TCO Control 1 */
337#define	TCO2_CNT		0x08 /* TCO Control 2 */
338#define	TCO_MESSAGE1		0x0c /* TCO Message 1 */
339#define	TCO_MESSAGE2		0x0d /* TCO Message 2 */
340#define	TCO_WDSTATUS		0x0e /* TCO Watchdog status */
341#define	TCO_TMR			0x12 /* TCP Reload value */
342
343/* bit definitions for SMI_EN and SMI_STS */
344#define	SMI_TCO_EN		0x2000
345#define	SMI_TCO_STS		0x2000
346#define	SMI_GBL_EN		0x0001
347
348/* timer value mask for TCO_RLD and TCO_TMR */
349#define	TCO_TIMER_MASK		0x1f
350#define	TCO_TIMER_MASK2		0x2f
351
352/* status bits for TCO1_STS */
353#define	TCO_SLVSEL		0x2000	/* TCO Slave Select Soft Strap */
354#define	TCO_CPUSERR_STS		0x1000
355#define	TCO_CPUSMI_STS		0x0400
356#define	TCO_CPUSCI_STS		0x0200
357#define	TCO_BIOSWR_STS		0x0100
358#define	TCO_NEWCENTURY		0x0080	/* set for RTC year roll over
359					   (99 to 00) */
360#define	TCO_TIMEOUT		0x0008	/* timed out */
361#define	TCO_INT_STS		0x0004	/* data out (DO NOT USE) */
362#define	TCO_SMI_STS		0x0002	/* data in (DO NOT USE) */
363#define	TCO_NMI2SMI_STS		0x0001
364
365/* status bits for TCO2_STS */
366#define	TCO_SMLINK_SLAVE_SMI	0x0010
367#define	TCO_BOOT_STS		0x0004	/* failed to come out of reset */
368#define	TCO_SECOND_TO_STS	0x0002	/* ran down twice */
369#define	TCO_INTRD_DET		0x0001
370
371/* control bits for TCO1_CNT */
372#define	TCO_LOCK		0x1000		/* SMI_BASE.TCO_EN locked */
373#define	TCO_TMR_HALT		0x0800		/* clear to enable WDT */
374#define	TCO_NMI2SMI_EN		0x0200		/* convert NMIs to SMIs */
375#define	TCO_CNT_PRESERVE	TCO_NMI2SMI_EN	/* preserve these bits */
376#define	TCO_NMI_NOW		0x0100		/* trigger an NMI */
377
378/* control bits for TCO2_CNT */
379#define	TCO_OS_POLICY		0x0030		/* mask */
380#define	TCO_OS_POLICY_BOOT	0x0000
381#define	TCO_OS_POLICY_SHUTD	0x0010
382#define	TCO_OS_POLICY_NOLOAD	0x0020
383#define	TCO_SMB_ALERT_DISABLE	0x0008
384#define	TCO_INTRD_SEL		0x0003		/* mask */
385#define	TCO_INTRD_SEL_SILENT	0x0000
386#define	TCO_INTRD_SEL_INTR	0x0001
387#define	TCO_INTRD_SEL_SMI	0x0002
388
389/*
390 * Masks for the TCO timer value field in TCO_RLD.
391 * If the datasheets are to be believed, the minimum value actually varies
392 * from chipset to chipset - 4 for ICH5 and 2 for all other chipsets.
393 * I suspect this is a bug in the ICH5 datasheet and that the minimum is
394 * uniformly 2, but I'd rather err on the side of caution.
395 */
396#define	TCO_RLD_TMR_MIN		0x0004
397#define	TCO_RLD1_TMR_MAX	0x003f
398#define	TCO_RLD2_TMR_MAX	0x03ff
399
400/*
401 * Approximate length in nanoseconds of one WDT tick (about 0.6 sec)
402 * for TCO v1/v2/v4
403 */
404#define	ICHWD_TICK		600000000
405/*
406 * Approximate length in nanoseconds of one WDT tick (about 1.0 sec)
407 * for TCO v3
408 */
409#define	ICHWD_TCO_V3_TICK	1000000000
410
411#endif
412