2 * Copyright (c) 2004 Texas A&M University
5 * Developer: Wm. Daryl Hawkins
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
37 unsigned int ich_version;
38 unsigned int tco_version;
52 struct resource *smi_res;
55 struct resource *tco_res;
58 struct resource *gcs_res;
60 eventhandler_tag ev_tag;
63 #define VENDORID_INTEL 0x8086
64 #define DEVICEID_BAYTRAIL 0x0f1c
65 #define DEVICEID_CPT0 0x1c40
66 #define DEVICEID_CPT1 0x1c41
67 #define DEVICEID_CPT2 0x1c42
68 #define DEVICEID_CPT3 0x1c43
69 #define DEVICEID_CPT4 0x1c44
70 #define DEVICEID_CPT5 0x1c45
71 #define DEVICEID_CPT6 0x1c46
72 #define DEVICEID_CPT7 0x1c47
73 #define DEVICEID_CPT8 0x1c48
74 #define DEVICEID_CPT9 0x1c49
75 #define DEVICEID_CPT10 0x1c4a
76 #define DEVICEID_CPT11 0x1c4b
77 #define DEVICEID_CPT12 0x1c4c
78 #define DEVICEID_CPT13 0x1c4d
79 #define DEVICEID_CPT14 0x1c4e
80 #define DEVICEID_CPT15 0x1c4f
81 #define DEVICEID_CPT16 0x1c50
82 #define DEVICEID_CPT17 0x1c51
83 #define DEVICEID_CPT18 0x1c52
84 #define DEVICEID_CPT19 0x1c53
85 #define DEVICEID_CPT20 0x1c54
86 #define DEVICEID_CPT21 0x1c55
87 #define DEVICEID_CPT22 0x1c56
88 #define DEVICEID_CPT23 0x1c57
89 #define DEVICEID_CPT24 0x1c58
90 #define DEVICEID_CPT25 0x1c59
91 #define DEVICEID_CPT26 0x1c5a
92 #define DEVICEID_CPT27 0x1c5b
93 #define DEVICEID_CPT28 0x1c5c
94 #define DEVICEID_CPT29 0x1c5d
95 #define DEVICEID_CPT30 0x1c5e
96 #define DEVICEID_CPT31 0x1c5f
97 #define DEVICEID_PATSBURG_LPC1 0x1d40
98 #define DEVICEID_PATSBURG_LPC2 0x1d41
99 #define DEVICEID_PPT0 0x1e40
100 #define DEVICEID_PPT1 0x1e41
101 #define DEVICEID_PPT2 0x1e42
102 #define DEVICEID_PPT3 0x1e43
103 #define DEVICEID_PPT4 0x1e44
104 #define DEVICEID_PPT5 0x1e45
105 #define DEVICEID_PPT6 0x1e46
106 #define DEVICEID_PPT7 0x1e47
107 #define DEVICEID_PPT8 0x1e48
108 #define DEVICEID_PPT9 0x1e49
109 #define DEVICEID_PPT10 0x1e4a
110 #define DEVICEID_PPT11 0x1e4b
111 #define DEVICEID_PPT12 0x1e4c
112 #define DEVICEID_PPT13 0x1e4d
113 #define DEVICEID_PPT14 0x1e4e
114 #define DEVICEID_PPT15 0x1e4f
115 #define DEVICEID_PPT16 0x1e50
116 #define DEVICEID_PPT17 0x1e51
117 #define DEVICEID_PPT18 0x1e52
118 #define DEVICEID_PPT19 0x1e53
119 #define DEVICEID_PPT20 0x1e54
120 #define DEVICEID_PPT21 0x1e55
121 #define DEVICEID_PPT22 0x1e56
122 #define DEVICEID_PPT23 0x1e57
123 #define DEVICEID_PPT24 0x1e58
124 #define DEVICEID_PPT25 0x1e59
125 #define DEVICEID_PPT26 0x1e5a
126 #define DEVICEID_PPT27 0x1e5b
127 #define DEVICEID_PPT28 0x1e5c
128 #define DEVICEID_PPT29 0x1e5d
129 #define DEVICEID_PPT30 0x1e5e
130 #define DEVICEID_PPT31 0x1e5f
131 #define DEVICEID_AVN0 0x1f38
132 #define DEVICEID_AVN1 0x1f39
133 #define DEVICEID_AVN2 0x1f3a
134 #define DEVICEID_AVN3 0x1f3b
135 #define DEVICEID_BRASWELL 0x229c
136 #define DEVICEID_DH89XXCC_LPC 0x2310
137 #define DEVICEID_COLETOCRK_LPC 0x2390
138 #define DEVICEID_82801AA 0x2410
139 #define DEVICEID_82801AB 0x2420
140 #define DEVICEID_82801BA 0x2440
141 #define DEVICEID_82801BAM 0x244c
142 #define DEVICEID_82801CA 0x2480
143 #define DEVICEID_82801CAM 0x248c
144 #define DEVICEID_82801DB 0x24c0
145 #define DEVICEID_82801DBM 0x24cc
146 #define DEVICEID_82801E 0x2450
147 #define DEVICEID_82801EB 0x24dc
148 #define DEVICEID_82801EBR 0x24d0
149 #define DEVICEID_6300ESB 0x25a1
150 #define DEVICEID_82801FBR 0x2640
151 #define DEVICEID_ICH6M 0x2641
152 #define DEVICEID_ICH6W 0x2642
153 #define DEVICEID_63XXESB 0x2670
154 #define DEVICEID_ICH7 0x27b8
155 #define DEVICEID_ICH7DH 0x27b0
156 #define DEVICEID_ICH7M 0x27b9
157 #define DEVICEID_NM10 0x27bc
158 #define DEVICEID_ICH7MDH 0x27bd
159 #define DEVICEID_ICH8 0x2810
160 #define DEVICEID_ICH8DH 0x2812
161 #define DEVICEID_ICH8DO 0x2814
162 #define DEVICEID_ICH8M 0x2815
163 #define DEVICEID_ICH8ME 0x2811
164 #define DEVICEID_ICH9 0x2918
165 #define DEVICEID_ICH9DH 0x2912
166 #define DEVICEID_ICH9DO 0x2914
167 #define DEVICEID_ICH9M 0x2919
168 #define DEVICEID_ICH9ME 0x2917
169 #define DEVICEID_ICH9R 0x2916
170 #define DEVICEID_ICH10 0x3a18
171 #define DEVICEID_ICH10D 0x3a1a
172 #define DEVICEID_ICH10DO 0x3a14
173 #define DEVICEID_ICH10R 0x3a16
174 #define DEVICEID_PCH 0x3b00
175 #define DEVICEID_PCHM 0x3b01
176 #define DEVICEID_P55 0x3b02
177 #define DEVICEID_PM55 0x3b03
178 #define DEVICEID_H55 0x3b06
179 #define DEVICEID_QM57 0x3b07
180 #define DEVICEID_H57 0x3b08
181 #define DEVICEID_HM55 0x3b09
182 #define DEVICEID_Q57 0x3b0a
183 #define DEVICEID_HM57 0x3b0b
184 #define DEVICEID_PCHMSFF 0x3b0d
185 #define DEVICEID_QS57 0x3b0f
186 #define DEVICEID_3400 0x3b12
187 #define DEVICEID_3420 0x3b14
188 #define DEVICEID_3450 0x3b16
189 #define DEVICEID_LPT0 0x8c40
190 #define DEVICEID_LPT1 0x8c41
191 #define DEVICEID_LPT2 0x8c42
192 #define DEVICEID_LPT3 0x8c43
193 #define DEVICEID_LPT4 0x8c44
194 #define DEVICEID_LPT5 0x8c45
195 #define DEVICEID_LPT6 0x8c46
196 #define DEVICEID_LPT7 0x8c47
197 #define DEVICEID_LPT8 0x8c48
198 #define DEVICEID_LPT9 0x8c49
199 #define DEVICEID_LPT10 0x8c4a
200 #define DEVICEID_LPT11 0x8c4b
201 #define DEVICEID_LPT12 0x8c4c
202 #define DEVICEID_LPT13 0x8c4d
203 #define DEVICEID_LPT14 0x8c4e
204 #define DEVICEID_LPT15 0x8c4f
205 #define DEVICEID_LPT16 0x8c50
206 #define DEVICEID_LPT17 0x8c51
207 #define DEVICEID_LPT18 0x8c52
208 #define DEVICEID_LPT19 0x8c53
209 #define DEVICEID_LPT20 0x8c54
210 #define DEVICEID_LPT21 0x8c55
211 #define DEVICEID_LPT22 0x8c56
212 #define DEVICEID_LPT23 0x8c57
213 #define DEVICEID_LPT24 0x8c58
214 #define DEVICEID_LPT25 0x8c59
215 #define DEVICEID_LPT26 0x8c5a
216 #define DEVICEID_LPT27 0x8c5b
217 #define DEVICEID_LPT28 0x8c5c
218 #define DEVICEID_LPT29 0x8c5d
219 #define DEVICEID_LPT30 0x8c5e
220 #define DEVICEID_LPT31 0x8c5f
221 #define DEVICEID_WCPT1 0x8cc1
222 #define DEVICEID_WCPT2 0x8cc2
223 #define DEVICEID_WCPT3 0x8cc3
224 #define DEVICEID_WCPT4 0x8cc4
225 #define DEVICEID_WCPT6 0x8cc6
226 #define DEVICEID_WBG0 0x8d40
227 #define DEVICEID_WBG1 0x8d41
228 #define DEVICEID_WBG2 0x8d42
229 #define DEVICEID_WBG3 0x8d43
230 #define DEVICEID_WBG4 0x8d44
231 #define DEVICEID_WBG5 0x8d45
232 #define DEVICEID_WBG6 0x8d46
233 #define DEVICEID_WBG7 0x8d47
234 #define DEVICEID_WBG8 0x8d48
235 #define DEVICEID_WBG9 0x8d49
236 #define DEVICEID_WBG10 0x8d4a
237 #define DEVICEID_WBG11 0x8d4b
238 #define DEVICEID_WBG12 0x8d4c
239 #define DEVICEID_WBG13 0x8d4d
240 #define DEVICEID_WBG14 0x8d4e
241 #define DEVICEID_WBG15 0x8d4f
242 #define DEVICEID_WBG16 0x8d50
243 #define DEVICEID_WBG17 0x8d51
244 #define DEVICEID_WBG18 0x8d52
245 #define DEVICEID_WBG19 0x8d53
246 #define DEVICEID_WBG20 0x8d54
247 #define DEVICEID_WBG21 0x8d55
248 #define DEVICEID_WBG22 0x8d56
249 #define DEVICEID_WBG23 0x8d57
250 #define DEVICEID_WBG24 0x8d58
251 #define DEVICEID_WBG25 0x8d59
252 #define DEVICEID_WBG26 0x8d5a
253 #define DEVICEID_WBG27 0x8d5b
254 #define DEVICEID_WBG28 0x8d5c
255 #define DEVICEID_WBG29 0x8d5d
256 #define DEVICEID_WBG30 0x8d5e
257 #define DEVICEID_WBG31 0x8d5f
258 #define DEVICEID_LPT_LP0 0x9c40
259 #define DEVICEID_LPT_LP1 0x9c41
260 #define DEVICEID_LPT_LP2 0x9c42
261 #define DEVICEID_LPT_LP3 0x9c43
262 #define DEVICEID_LPT_LP4 0x9c44
263 #define DEVICEID_LPT_LP5 0x9c45
264 #define DEVICEID_LPT_LP6 0x9c46
265 #define DEVICEID_LPT_LP7 0x9c47
266 #define DEVICEID_WCPT_LP1 0x9cc1
267 #define DEVICEID_WCPT_LP2 0x9cc2
268 #define DEVICEID_WCPT_LP3 0x9cc3
269 #define DEVICEID_WCPT_LP5 0x9cc5
270 #define DEVICEID_WCPT_LP6 0x9cc6
271 #define DEVICEID_WCPT_LP7 0x9cc7
272 #define DEVICEID_WCPT_LP9 0x9cc9
274 /* ICH LPC Interface Bridge Registers (ICH5 and older) */
275 #define ICH_GEN_STA 0xd4
276 #define ICH_GEN_STA_NO_REBOOT 0x02
277 #define ICH_PMBASE 0x40 /* ACPI base address register */
278 #define ICH_PMBASE_MASK 0x7f80 /* bits 7-15 */
280 /* ICH Chipset Configuration Registers (ICH6 and newer) */
281 #define ICH_RCBA 0xf0
282 #define ICH_GCS_OFFSET 0x3410
283 #define ICH_GCS_SIZE 0x4
284 #define ICH_GCS_NO_REBOOT 0x20
286 /* SoC Power Management Configuration Registers */
287 #define ICH_PBASE 0x44
288 #define ICH_PMC_OFFSET 0x08
289 #define ICH_PMC_SIZE 0x4
290 #define ICH_PMC_NO_REBOOT 0x10
292 /* register names and locations (relative to PMBASE) */
293 #define SMI_BASE 0x30 /* base address for SMI registers */
295 #define SMI_EN 0x00 /* SMI Control and Enable Register */
296 #define SMI_STS 0x04 /* SMI Status Register */
297 #define TCO_BASE 0x60 /* base address for TCO registers */
299 #define TCO_RLD 0x00 /* TCO Reload and Current Value */
300 #define TCO_TMR1 0x01 /* TCO Timer Initial Value
301 (ICH5 and older, 8 bits) */
302 #define TCO_TMR2 0x12 /* TCO Timer Initial Value
303 (ICH6 and newer, 16 bits) */
304 #define TCO_DAT_IN 0x02 /* TCO Data In (DO NOT USE) */
305 #define TCO_DAT_OUT 0x03 /* TCO Data Out (DO NOT USE) */
306 #define TCO1_STS 0x04 /* TCO Status 1 */
307 #define TCO2_STS 0x06 /* TCO Status 2 */
308 #define TCO1_CNT 0x08 /* TCO Control 1 */
309 #define TCO2_CNT 0x08 /* TCO Control 2 */
310 #define TCO_MESSAGE1 0x0c /* TCO Message 1 */
311 #define TCO_MESSAGE2 0x0d /* TCO Message 2 */
313 /* bit definitions for SMI_EN and SMI_STS */
314 #define SMI_TCO_EN 0x2000
315 #define SMI_TCO_STS 0x2000
316 #define SMI_GBL_EN 0x0001
318 /* timer value mask for TCO_RLD and TCO_TMR */
319 #define TCO_TIMER_MASK 0x1f
321 /* status bits for TCO1_STS */
322 #define TCO_NEWCENTURY 0x80 /* set for RTC year roll over (99 to 00) */
323 #define TCO_TIMEOUT 0x08 /* timed out */
324 #define TCO_INT_STS 0x04 /* data out (DO NOT USE) */
325 #define TCO_SMI_STS 0x02 /* data in (DO NOT USE) */
327 /* status bits for TCO2_STS */
328 #define TCO_BOOT_STS 0x04 /* failed to come out of reset */
329 #define TCO_SECOND_TO_STS 0x02 /* ran down twice */
331 /* control bits for TCO1_CNT */
332 #define TCO_TMR_HALT 0x0800 /* clear to enable WDT */
333 #define TCO_NMI2SMI_EN 0x0200 /* convert NMIs to SMIs */
334 #define TCO_CNT_PRESERVE TCO_NMI2SMI_EN /* preserve these bits */
335 #define TCO_NMI_NOW 0x0100 /* trigger an NMI */
338 * Masks for the TCO timer value field in TCO_RLD.
339 * If the datasheets are to be believed, the minimum value actually varies
340 * from chipset to chipset - 4 for ICH5 and 2 for all other chipsets.
341 * I suspect this is a bug in the ICH5 datasheet and that the minimum is
342 * uniformly 2, but I'd rather err on the side of caution.
344 #define TCO_RLD_TMR_MIN 0x0004
345 #define TCO_RLD1_TMR_MAX 0x003f
346 #define TCO_RLD2_TMR_MAX 0x03ff
348 /* approximate length in nanoseconds of one WDT tick (about 0.6 sec) */
349 #define ICHWD_TICK 600000000