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1 | /****************************************************************************** |
1 | /****************************************************************************** |
2 | * |
2 | * |
3 | * Module Name: tbfadt - FADT table utilities |
3 | * Module Name: tbfadt - FADT table utilities |
4 | * |
4 | * |
5 | *****************************************************************************/ |
5 | *****************************************************************************/ |
6 | 6 | ||
7 | /****************************************************************************** |
7 | /****************************************************************************** |
8 | * |
8 | * |
9 | * 1. Copyright Notice |
9 | * 1. Copyright Notice |
10 | * |
10 | * |
11 | * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp. |
11 | * Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp. |
12 | * All rights reserved. |
12 | * All rights reserved. |
13 | * |
13 | * |
14 | * 2. License |
14 | * 2. License |
15 | * |
15 | * |
16 | * 2.1. This is your license from Intel Corp. under its intellectual property |
16 | * 2.1. This is your license from Intel Corp. under its intellectual property |
17 | * rights. You may have additional license terms from the party that provided |
17 | * rights. You may have additional license terms from the party that provided |
18 | * you this software, covering your right to use that party's intellectual |
18 | * you this software, covering your right to use that party's intellectual |
19 | * property rights. |
19 | * property rights. |
20 | * |
20 | * |
21 | * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a |
21 | * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a |
22 | * copy of the source code appearing in this file ("Covered Code") an |
22 | * copy of the source code appearing in this file ("Covered Code") an |
23 | * irrevocable, perpetual, worldwide license under Intel's copyrights in the |
23 | * irrevocable, perpetual, worldwide license under Intel's copyrights in the |
24 | * base code distributed originally by Intel ("Original Intel Code") to copy, |
24 | * base code distributed originally by Intel ("Original Intel Code") to copy, |
25 | * make derivatives, distribute, use and display any portion of the Covered |
25 | * make derivatives, distribute, use and display any portion of the Covered |
26 | * Code in any form, with the right to sublicense such rights; and |
26 | * Code in any form, with the right to sublicense such rights; and |
27 | * |
27 | * |
28 | * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent |
28 | * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent |
29 | * license (with the right to sublicense), under only those claims of Intel |
29 | * license (with the right to sublicense), under only those claims of Intel |
30 | * patents that are infringed by the Original Intel Code, to make, use, sell, |
30 | * patents that are infringed by the Original Intel Code, to make, use, sell, |
31 | * offer to sell, and import the Covered Code and derivative works thereof |
31 | * offer to sell, and import the Covered Code and derivative works thereof |
32 | * solely to the minimum extent necessary to exercise the above copyright |
32 | * solely to the minimum extent necessary to exercise the above copyright |
33 | * license, and in no event shall the patent license extend to any additions |
33 | * license, and in no event shall the patent license extend to any additions |
34 | * to or modifications of the Original Intel Code. No other license or right |
34 | * to or modifications of the Original Intel Code. No other license or right |
35 | * is granted directly or by implication, estoppel or otherwise; |
35 | * is granted directly or by implication, estoppel or otherwise; |
36 | * |
36 | * |
37 | * The above copyright and patent license is granted only if the following |
37 | * The above copyright and patent license is granted only if the following |
38 | * conditions are met: |
38 | * conditions are met: |
39 | * |
39 | * |
40 | * 3. Conditions |
40 | * 3. Conditions |
41 | * |
41 | * |
42 | * 3.1. Redistribution of Source with Rights to Further Distribute Source. |
42 | * 3.1. Redistribution of Source with Rights to Further Distribute Source. |
43 | * Redistribution of source code of any substantial portion of the Covered |
43 | * Redistribution of source code of any substantial portion of the Covered |
44 | * Code or modification with rights to further distribute source must include |
44 | * Code or modification with rights to further distribute source must include |
45 | * the above Copyright Notice, the above License, this list of Conditions, |
45 | * the above Copyright Notice, the above License, this list of Conditions, |
46 | * and the following Disclaimer and Export Compliance provision. In addition, |
46 | * and the following Disclaimer and Export Compliance provision. In addition, |
47 | * Licensee must cause all Covered Code to which Licensee contributes to |
47 | * Licensee must cause all Covered Code to which Licensee contributes to |
48 | * contain a file documenting the changes Licensee made to create that Covered |
48 | * contain a file documenting the changes Licensee made to create that Covered |
49 | * Code and the date of any change. Licensee must include in that file the |
49 | * Code and the date of any change. Licensee must include in that file the |
50 | * documentation of any changes made by any predecessor Licensee. Licensee |
50 | * documentation of any changes made by any predecessor Licensee. Licensee |
51 | * must include a prominent statement that the modification is derived, |
51 | * must include a prominent statement that the modification is derived, |
52 | * directly or indirectly, from Original Intel Code. |
52 | * directly or indirectly, from Original Intel Code. |
53 | * |
53 | * |
54 | * 3.2. Redistribution of Source with no Rights to Further Distribute Source. |
54 | * 3.2. Redistribution of Source with no Rights to Further Distribute Source. |
55 | * Redistribution of source code of any substantial portion of the Covered |
55 | * Redistribution of source code of any substantial portion of the Covered |
56 | * Code or modification without rights to further distribute source must |
56 | * Code or modification without rights to further distribute source must |
57 | * include the following Disclaimer and Export Compliance provision in the |
57 | * include the following Disclaimer and Export Compliance provision in the |
58 | * documentation and/or other materials provided with distribution. In |
58 | * documentation and/or other materials provided with distribution. In |
59 | * addition, Licensee may not authorize further sublicense of source of any |
59 | * addition, Licensee may not authorize further sublicense of source of any |
60 | * portion of the Covered Code, and must include terms to the effect that the |
60 | * portion of the Covered Code, and must include terms to the effect that the |
61 | * license from Licensee to its licensee is limited to the intellectual |
61 | * license from Licensee to its licensee is limited to the intellectual |
62 | * property embodied in the software Licensee provides to its licensee, and |
62 | * property embodied in the software Licensee provides to its licensee, and |
63 | * not to intellectual property embodied in modifications its licensee may |
63 | * not to intellectual property embodied in modifications its licensee may |
64 | * make. |
64 | * make. |
65 | * |
65 | * |
66 | * 3.3. Redistribution of Executable. Redistribution in executable form of any |
66 | * 3.3. Redistribution of Executable. Redistribution in executable form of any |
67 | * substantial portion of the Covered Code or modification must reproduce the |
67 | * substantial portion of the Covered Code or modification must reproduce the |
68 | * above Copyright Notice, and the following Disclaimer and Export Compliance |
68 | * above Copyright Notice, and the following Disclaimer and Export Compliance |
69 | * provision in the documentation and/or other materials provided with the |
69 | * provision in the documentation and/or other materials provided with the |
70 | * distribution. |
70 | * distribution. |
71 | * |
71 | * |
72 | * 3.4. Intel retains all right, title, and interest in and to the Original |
72 | * 3.4. Intel retains all right, title, and interest in and to the Original |
73 | * Intel Code. |
73 | * Intel Code. |
74 | * |
74 | * |
75 | * 3.5. Neither the name Intel nor any other trademark owned or controlled by |
75 | * 3.5. Neither the name Intel nor any other trademark owned or controlled by |
76 | * Intel shall be used in advertising or otherwise to promote the sale, use or |
76 | * Intel shall be used in advertising or otherwise to promote the sale, use or |
77 | * other dealings in products derived from or relating to the Covered Code |
77 | * other dealings in products derived from or relating to the Covered Code |
78 | * without prior written authorization from Intel. |
78 | * without prior written authorization from Intel. |
79 | * |
79 | * |
80 | * 4. Disclaimer and Export Compliance |
80 | * 4. Disclaimer and Export Compliance |
81 | * |
81 | * |
82 | * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED |
82 | * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED |
83 | * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE |
83 | * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE |
84 | * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, |
84 | * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, |
85 | * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY |
85 | * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY |
86 | * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY |
86 | * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY |
87 | * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A |
87 | * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A |
88 | * PARTICULAR PURPOSE. |
88 | * PARTICULAR PURPOSE. |
89 | * |
89 | * |
90 | * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES |
90 | * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES |
91 | * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR |
91 | * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR |
92 | * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, |
92 | * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, |
93 | * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY |
93 | * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY |
94 | * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL |
94 | * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL |
95 | * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS |
95 | * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS |
96 | * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY |
96 | * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY |
97 | * LIMITED REMEDY. |
97 | * LIMITED REMEDY. |
98 | * |
98 | * |
99 | * 4.3. Licensee shall not export, either directly or indirectly, any of this |
99 | * 4.3. Licensee shall not export, either directly or indirectly, any of this |
100 | * software or system incorporating such software without first obtaining any |
100 | * software or system incorporating such software without first obtaining any |
101 | * required license or other approval from the U. S. Department of Commerce or |
101 | * required license or other approval from the U. S. Department of Commerce or |
102 | * any other agency or department of the United States Government. In the |
102 | * any other agency or department of the United States Government. In the |
103 | * event Licensee exports any such software from the United States or |
103 | * event Licensee exports any such software from the United States or |
104 | * re-exports any such software from a foreign destination, Licensee shall |
104 | * re-exports any such software from a foreign destination, Licensee shall |
105 | * ensure that the distribution and export/re-export of the software is in |
105 | * ensure that the distribution and export/re-export of the software is in |
106 | * compliance with all laws, regulations, orders, or other restrictions of the |
106 | * compliance with all laws, regulations, orders, or other restrictions of the |
107 | * U.S. Export Administration Regulations. Licensee agrees that neither it nor |
107 | * U.S. Export Administration Regulations. Licensee agrees that neither it nor |
108 | * any of its subsidiaries will export/re-export any technical data, process, |
108 | * any of its subsidiaries will export/re-export any technical data, process, |
109 | * software, or service, directly or indirectly, to any country for which the |
109 | * software, or service, directly or indirectly, to any country for which the |
110 | * United States government or any agency thereof requires an export license, |
110 | * United States government or any agency thereof requires an export license, |
111 | * other governmental approval, or letter of assurance, without first obtaining |
111 | * other governmental approval, or letter of assurance, without first obtaining |
112 | * such license, approval or letter. |
112 | * such license, approval or letter. |
113 | * |
113 | * |
114 | *****************************************************************************/ |
114 | *****************************************************************************/ |
115 | 115 | ||
116 | #define __TBFADT_C__ |
116 | #define __TBFADT_C__ |
117 | 117 | ||
118 | #include "acpi.h" |
118 | #include "acpi.h" |
119 | #include "accommon.h" |
119 | #include "accommon.h" |
120 | #include "actables.h" |
120 | #include "actables.h" |
121 | 121 | ||
122 | #define _COMPONENT ACPI_TABLES |
122 | #define _COMPONENT ACPI_TABLES |
123 | ACPI_MODULE_NAME ("tbfadt") |
123 | ACPI_MODULE_NAME ("tbfadt") |
124 | 124 | ||
125 | /* Local prototypes */ |
125 | /* Local prototypes */ |
126 | 126 | ||
127 | static inline void |
127 | static ACPI_INLINE void |
128 | AcpiTbInitGenericAddress ( |
128 | AcpiTbInitGenericAddress ( |
129 | ACPI_GENERIC_ADDRESS *GenericAddress, |
129 | ACPI_GENERIC_ADDRESS *GenericAddress, |
130 | UINT8 SpaceId, |
130 | UINT8 SpaceId, |
131 | UINT8 ByteWidth, |
131 | UINT8 ByteWidth, |
132 | UINT64 Address); |
132 | UINT64 Address); |
133 | 133 | ||
134 | static void |
134 | static void |
135 | AcpiTbConvertFadt ( |
135 | AcpiTbConvertFadt ( |
136 | void); |
136 | void); |
137 | 137 | ||
138 | static void |
138 | static void |
139 | AcpiTbValidateFadt ( |
139 | AcpiTbValidateFadt ( |
140 | void); |
140 | void); |
141 | 141 | ||
142 | static void |
142 | static void |
143 | AcpiTbSetupFadtRegisters ( |
143 | AcpiTbSetupFadtRegisters ( |
144 | void); |
144 | void); |
145 | 145 | ||
146 | 146 | ||
147 | /* Table for conversion of FADT to common internal format and FADT validation */ |
147 | /* Table for conversion of FADT to common internal format and FADT validation */ |
148 | 148 | ||
149 | typedef struct acpi_fadt_info |
149 | typedef struct acpi_fadt_info |
150 | { |
150 | { |
151 | char *Name; |
151 | char *Name; |
152 | UINT8 Address64; |
152 | UINT8 Address64; |
153 | UINT8 Address32; |
153 | UINT8 Address32; |
154 | UINT8 Length; |
154 | UINT8 Length; |
155 | UINT8 DefaultLength; |
155 | UINT8 DefaultLength; |
156 | UINT8 Type; |
156 | UINT8 Type; |
157 | 157 | ||
158 | } ACPI_FADT_INFO; |
158 | } ACPI_FADT_INFO; |
159 | 159 | ||
160 | #define ACPI_FADT_REQUIRED 1 |
160 | #define ACPI_FADT_REQUIRED 1 |
161 | #define ACPI_FADT_SEPARATE_LENGTH 2 |
161 | #define ACPI_FADT_SEPARATE_LENGTH 2 |
162 | 162 | ||
163 | static ACPI_FADT_INFO FadtInfoTable[] = |
163 | static ACPI_FADT_INFO FadtInfoTable[] = |
164 | { |
164 | { |
165 | {"Pm1aEventBlock", |
165 | {"Pm1aEventBlock", |
166 | ACPI_FADT_OFFSET (XPm1aEventBlock), |
166 | ACPI_FADT_OFFSET (XPm1aEventBlock), |
167 | ACPI_FADT_OFFSET (Pm1aEventBlock), |
167 | ACPI_FADT_OFFSET (Pm1aEventBlock), |
168 | ACPI_FADT_OFFSET (Pm1EventLength), |
168 | ACPI_FADT_OFFSET (Pm1EventLength), |
169 | ACPI_PM1_REGISTER_WIDTH * 2, /* Enable + Status register */ |
169 | ACPI_PM1_REGISTER_WIDTH * 2, /* Enable + Status register */ |
170 | ACPI_FADT_REQUIRED}, |
170 | ACPI_FADT_REQUIRED}, |
171 | 171 | ||
172 | {"Pm1bEventBlock", |
172 | {"Pm1bEventBlock", |
173 | ACPI_FADT_OFFSET (XPm1bEventBlock), |
173 | ACPI_FADT_OFFSET (XPm1bEventBlock), |
174 | ACPI_FADT_OFFSET (Pm1bEventBlock), |
174 | ACPI_FADT_OFFSET (Pm1bEventBlock), |
175 | ACPI_FADT_OFFSET (Pm1EventLength), |
175 | ACPI_FADT_OFFSET (Pm1EventLength), |
176 | ACPI_PM1_REGISTER_WIDTH * 2, /* Enable + Status register */ |
176 | ACPI_PM1_REGISTER_WIDTH * 2, /* Enable + Status register */ |
177 | 0}, |
177 | 0}, |
178 | 178 | ||
179 | {"Pm1aControlBlock", |
179 | {"Pm1aControlBlock", |
180 | ACPI_FADT_OFFSET (XPm1aControlBlock), |
180 | ACPI_FADT_OFFSET (XPm1aControlBlock), |
181 | ACPI_FADT_OFFSET (Pm1aControlBlock), |
181 | ACPI_FADT_OFFSET (Pm1aControlBlock), |
182 | ACPI_FADT_OFFSET (Pm1ControlLength), |
182 | ACPI_FADT_OFFSET (Pm1ControlLength), |
183 | ACPI_PM1_REGISTER_WIDTH, |
183 | ACPI_PM1_REGISTER_WIDTH, |
184 | ACPI_FADT_REQUIRED}, |
184 | ACPI_FADT_REQUIRED}, |
185 | 185 | ||
186 | {"Pm1bControlBlock", |
186 | {"Pm1bControlBlock", |
187 | ACPI_FADT_OFFSET (XPm1bControlBlock), |
187 | ACPI_FADT_OFFSET (XPm1bControlBlock), |
188 | ACPI_FADT_OFFSET (Pm1bControlBlock), |
188 | ACPI_FADT_OFFSET (Pm1bControlBlock), |
189 | ACPI_FADT_OFFSET (Pm1ControlLength), |
189 | ACPI_FADT_OFFSET (Pm1ControlLength), |
190 | ACPI_PM1_REGISTER_WIDTH, |
190 | ACPI_PM1_REGISTER_WIDTH, |
191 | 0}, |
191 | 0}, |
192 | 192 | ||
193 | {"Pm2ControlBlock", |
193 | {"Pm2ControlBlock", |
194 | ACPI_FADT_OFFSET (XPm2ControlBlock), |
194 | ACPI_FADT_OFFSET (XPm2ControlBlock), |
195 | ACPI_FADT_OFFSET (Pm2ControlBlock), |
195 | ACPI_FADT_OFFSET (Pm2ControlBlock), |
196 | ACPI_FADT_OFFSET (Pm2ControlLength), |
196 | ACPI_FADT_OFFSET (Pm2ControlLength), |
197 | ACPI_PM2_REGISTER_WIDTH, |
197 | ACPI_PM2_REGISTER_WIDTH, |
198 | ACPI_FADT_SEPARATE_LENGTH}, |
198 | ACPI_FADT_SEPARATE_LENGTH}, |
199 | 199 | ||
200 | {"PmTimerBlock", |
200 | {"PmTimerBlock", |
201 | ACPI_FADT_OFFSET (XPmTimerBlock), |
201 | ACPI_FADT_OFFSET (XPmTimerBlock), |
202 | ACPI_FADT_OFFSET (PmTimerBlock), |
202 | ACPI_FADT_OFFSET (PmTimerBlock), |
203 | ACPI_FADT_OFFSET (PmTimerLength), |
203 | ACPI_FADT_OFFSET (PmTimerLength), |
204 | ACPI_PM_TIMER_WIDTH, |
204 | ACPI_PM_TIMER_WIDTH, |
205 | ACPI_FADT_REQUIRED}, |
205 | ACPI_FADT_REQUIRED}, |
206 | 206 | ||
207 | {"Gpe0Block", |
207 | {"Gpe0Block", |
208 | ACPI_FADT_OFFSET (XGpe0Block), |
208 | ACPI_FADT_OFFSET (XGpe0Block), |
209 | ACPI_FADT_OFFSET (Gpe0Block), |
209 | ACPI_FADT_OFFSET (Gpe0Block), |
210 | ACPI_FADT_OFFSET (Gpe0BlockLength), |
210 | ACPI_FADT_OFFSET (Gpe0BlockLength), |
211 | 0, |
211 | 0, |
212 | ACPI_FADT_SEPARATE_LENGTH}, |
212 | ACPI_FADT_SEPARATE_LENGTH}, |
213 | 213 | ||
214 | {"Gpe1Block", |
214 | {"Gpe1Block", |
215 | ACPI_FADT_OFFSET (XGpe1Block), |
215 | ACPI_FADT_OFFSET (XGpe1Block), |
216 | ACPI_FADT_OFFSET (Gpe1Block), |
216 | ACPI_FADT_OFFSET (Gpe1Block), |
217 | ACPI_FADT_OFFSET (Gpe1BlockLength), |
217 | ACPI_FADT_OFFSET (Gpe1BlockLength), |
218 | 0, |
218 | 0, |
219 | ACPI_FADT_SEPARATE_LENGTH} |
219 | ACPI_FADT_SEPARATE_LENGTH} |
220 | }; |
220 | }; |
221 | 221 | ||
222 | #define ACPI_FADT_INFO_ENTRIES \ |
222 | #define ACPI_FADT_INFO_ENTRIES \ |
223 | (sizeof (FadtInfoTable) / sizeof (ACPI_FADT_INFO)) |
223 | (sizeof (FadtInfoTable) / sizeof (ACPI_FADT_INFO)) |
224 | 224 | ||
225 | 225 | ||
226 | /* Table used to split Event Blocks into separate status/enable registers */ |
226 | /* Table used to split Event Blocks into separate status/enable registers */ |
227 | 227 | ||
228 | typedef struct acpi_fadt_pm_info |
228 | typedef struct acpi_fadt_pm_info |
229 | { |
229 | { |
230 | ACPI_GENERIC_ADDRESS *Target; |
230 | ACPI_GENERIC_ADDRESS *Target; |
231 | UINT8 Source; |
231 | UINT8 Source; |
232 | UINT8 RegisterNum; |
232 | UINT8 RegisterNum; |
233 | 233 | ||
234 | } ACPI_FADT_PM_INFO; |
234 | } ACPI_FADT_PM_INFO; |
235 | 235 | ||
236 | static ACPI_FADT_PM_INFO FadtPmInfoTable[] = |
236 | static ACPI_FADT_PM_INFO FadtPmInfoTable[] = |
237 | { |
237 | { |
238 | {&AcpiGbl_XPm1aStatus, |
238 | {&AcpiGbl_XPm1aStatus, |
239 | ACPI_FADT_OFFSET (XPm1aEventBlock), |
239 | ACPI_FADT_OFFSET (XPm1aEventBlock), |
240 | 0}, |
240 | 0}, |
241 | 241 | ||
242 | {&AcpiGbl_XPm1aEnable, |
242 | {&AcpiGbl_XPm1aEnable, |
243 | ACPI_FADT_OFFSET (XPm1aEventBlock), |
243 | ACPI_FADT_OFFSET (XPm1aEventBlock), |
244 | 1}, |
244 | 1}, |
245 | 245 | ||
246 | {&AcpiGbl_XPm1bStatus, |
246 | {&AcpiGbl_XPm1bStatus, |
247 | ACPI_FADT_OFFSET (XPm1bEventBlock), |
247 | ACPI_FADT_OFFSET (XPm1bEventBlock), |
248 | 0}, |
248 | 0}, |
249 | 249 | ||
250 | {&AcpiGbl_XPm1bEnable, |
250 | {&AcpiGbl_XPm1bEnable, |
251 | ACPI_FADT_OFFSET (XPm1bEventBlock), |
251 | ACPI_FADT_OFFSET (XPm1bEventBlock), |
252 | 1} |
252 | 1} |
253 | }; |
253 | }; |
254 | 254 | ||
255 | #define ACPI_FADT_PM_INFO_ENTRIES \ |
255 | #define ACPI_FADT_PM_INFO_ENTRIES \ |
256 | (sizeof (FadtPmInfoTable) / sizeof (ACPI_FADT_PM_INFO)) |
256 | (sizeof (FadtPmInfoTable) / sizeof (ACPI_FADT_PM_INFO)) |
257 | 257 | ||
258 | 258 | ||
259 | /******************************************************************************* |
259 | /******************************************************************************* |
260 | * |
260 | * |
261 | * FUNCTION: AcpiTbInitGenericAddress |
261 | * FUNCTION: AcpiTbInitGenericAddress |
262 | * |
262 | * |
263 | * PARAMETERS: GenericAddress - GAS struct to be initialized |
263 | * PARAMETERS: GenericAddress - GAS struct to be initialized |
264 | * SpaceId - ACPI Space ID for this register |
264 | * SpaceId - ACPI Space ID for this register |
265 | * ByteWidth - Width of this register, in bytes |
265 | * ByteWidth - Width of this register, in bytes |
266 | * Address - Address of the register |
266 | * Address - Address of the register |
267 | * |
267 | * |
268 | * RETURN: None |
268 | * RETURN: None |
269 | * |
269 | * |
270 | * DESCRIPTION: Initialize a Generic Address Structure (GAS) |
270 | * DESCRIPTION: Initialize a Generic Address Structure (GAS) |
271 | * See the ACPI specification for a full description and |
271 | * See the ACPI specification for a full description and |
272 | * definition of this structure. |
272 | * definition of this structure. |
273 | * |
273 | * |
274 | ******************************************************************************/ |
274 | ******************************************************************************/ |
275 | 275 | ||
276 | static inline void |
276 | static ACPI_INLINE void |
277 | AcpiTbInitGenericAddress ( |
277 | AcpiTbInitGenericAddress ( |
278 | ACPI_GENERIC_ADDRESS *GenericAddress, |
278 | ACPI_GENERIC_ADDRESS *GenericAddress, |
279 | UINT8 SpaceId, |
279 | UINT8 SpaceId, |
280 | UINT8 ByteWidth, |
280 | UINT8 ByteWidth, |
281 | UINT64 Address) |
281 | UINT64 Address) |
282 | { |
282 | { |
283 | 283 | ||
284 | /* |
284 | /* |
285 | * The 64-bit Address field is non-aligned in the byte packed |
285 | * The 64-bit Address field is non-aligned in the byte packed |
286 | * GAS struct. |
286 | * GAS struct. |
287 | */ |
287 | */ |
288 | ACPI_MOVE_64_TO_64 (&GenericAddress->Address, &Address); |
288 | ACPI_MOVE_64_TO_64 (&GenericAddress->Address, &Address); |
289 | 289 | ||
290 | /* All other fields are byte-wide */ |
290 | /* All other fields are byte-wide */ |
291 | 291 | ||
292 | GenericAddress->SpaceId = SpaceId; |
292 | GenericAddress->SpaceId = SpaceId; |
293 | GenericAddress->BitWidth = (UINT8) ACPI_MUL_8 (ByteWidth); |
293 | GenericAddress->BitWidth = (UINT8) ACPI_MUL_8 (ByteWidth); |
294 | GenericAddress->BitOffset = 0; |
294 | GenericAddress->BitOffset = 0; |
295 | GenericAddress->AccessWidth = 0; /* Access width ANY */ |
295 | GenericAddress->AccessWidth = 0; /* Access width ANY */ |
296 | } |
296 | } |
297 | 297 | ||
298 | 298 | ||
299 | /******************************************************************************* |
299 | /******************************************************************************* |
300 | * |
300 | * |
301 | * FUNCTION: AcpiTbParseFadt |
301 | * FUNCTION: AcpiTbParseFadt |
302 | * |
302 | * |
303 | * PARAMETERS: TableIndex - Index for the FADT |
303 | * PARAMETERS: TableIndex - Index for the FADT |
304 | * |
304 | * |
305 | * RETURN: None |
305 | * RETURN: None |
306 | * |
306 | * |
307 | * DESCRIPTION: Initialize the FADT, DSDT and FACS tables |
307 | * DESCRIPTION: Initialize the FADT, DSDT and FACS tables |
308 | * (FADT contains the addresses of the DSDT and FACS) |
308 | * (FADT contains the addresses of the DSDT and FACS) |
309 | * |
309 | * |
310 | ******************************************************************************/ |
310 | ******************************************************************************/ |
311 | 311 | ||
312 | void |
312 | void |
313 | AcpiTbParseFadt ( |
313 | AcpiTbParseFadt ( |
314 | UINT32 TableIndex) |
314 | UINT32 TableIndex) |
315 | { |
315 | { |
316 | UINT32 Length; |
316 | UINT32 Length; |
317 | ACPI_TABLE_HEADER *Table; |
317 | ACPI_TABLE_HEADER *Table; |
318 | 318 | ||
319 | 319 | ||
320 | /* |
320 | /* |
321 | * The FADT has multiple versions with different lengths, |
321 | * The FADT has multiple versions with different lengths, |
322 | * and it contains pointers to both the DSDT and FACS tables. |
322 | * and it contains pointers to both the DSDT and FACS tables. |
323 | * |
323 | * |
324 | * Get a local copy of the FADT and convert it to a common format |
324 | * Get a local copy of the FADT and convert it to a common format |
325 | * Map entire FADT, assumed to be smaller than one page. |
325 | * Map entire FADT, assumed to be smaller than one page. |
326 | */ |
326 | */ |
327 | Length = AcpiGbl_RootTableList.Tables[TableIndex].Length; |
327 | Length = AcpiGbl_RootTableList.Tables[TableIndex].Length; |
328 | 328 | ||
329 | Table = AcpiOsMapMemory ( |
329 | Table = AcpiOsMapMemory ( |
330 | AcpiGbl_RootTableList.Tables[TableIndex].Address, Length); |
330 | AcpiGbl_RootTableList.Tables[TableIndex].Address, Length); |
331 | if (!Table) |
331 | if (!Table) |
332 | { |
332 | { |
333 | return; |
333 | return; |
334 | } |
334 | } |
335 | 335 | ||
336 | /* |
336 | /* |
337 | * Validate the FADT checksum before we copy the table. Ignore |
337 | * Validate the FADT checksum before we copy the table. Ignore |
338 | * checksum error as we want to try to get the DSDT and FACS. |
338 | * checksum error as we want to try to get the DSDT and FACS. |
339 | */ |
339 | */ |
340 | (void) AcpiTbVerifyChecksum (Table, Length); |
340 | (void) AcpiTbVerifyChecksum (Table, Length); |
341 | 341 | ||
342 | /* Create a local copy of the FADT in common ACPI 2.0+ format */ |
342 | /* Create a local copy of the FADT in common ACPI 2.0+ format */ |
343 | 343 | ||
344 | AcpiTbCreateLocalFadt (Table, Length); |
344 | AcpiTbCreateLocalFadt (Table, Length); |
345 | 345 | ||
346 | /* All done with the real FADT, unmap it */ |
346 | /* All done with the real FADT, unmap it */ |
347 | 347 | ||
348 | AcpiOsUnmapMemory (Table, Length); |
348 | AcpiOsUnmapMemory (Table, Length); |
349 | 349 | ||
350 | /* Obtain the DSDT and FACS tables via their addresses within the FADT */ |
350 | /* Obtain the DSDT and FACS tables via their addresses within the FADT */ |
351 | 351 | ||
352 | AcpiTbInstallTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.XDsdt, |
352 | AcpiTbInstallTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.XDsdt, |
353 | ACPI_SIG_DSDT, ACPI_TABLE_INDEX_DSDT); |
353 | ACPI_SIG_DSDT, ACPI_TABLE_INDEX_DSDT); |
354 | 354 | ||
355 | AcpiTbInstallTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.XFacs, |
355 | AcpiTbInstallTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.XFacs, |
356 | ACPI_SIG_FACS, ACPI_TABLE_INDEX_FACS); |
356 | ACPI_SIG_FACS, ACPI_TABLE_INDEX_FACS); |
357 | } |
357 | } |
358 | 358 | ||
359 | 359 | ||
360 | /******************************************************************************* |
360 | /******************************************************************************* |
361 | * |
361 | * |
362 | * FUNCTION: AcpiTbCreateLocalFadt |
362 | * FUNCTION: AcpiTbCreateLocalFadt |
363 | * |
363 | * |
364 | * PARAMETERS: Table - Pointer to BIOS FADT |
364 | * PARAMETERS: Table - Pointer to BIOS FADT |
365 | * Length - Length of the table |
365 | * Length - Length of the table |
366 | * |
366 | * |
367 | * RETURN: None |
367 | * RETURN: None |
368 | * |
368 | * |
369 | * DESCRIPTION: Get a local copy of the FADT and convert it to a common format. |
369 | * DESCRIPTION: Get a local copy of the FADT and convert it to a common format. |
370 | * Performs validation on some important FADT fields. |
370 | * Performs validation on some important FADT fields. |
371 | * |
371 | * |
372 | * NOTE: We create a local copy of the FADT regardless of the version. |
372 | * NOTE: We create a local copy of the FADT regardless of the version. |
373 | * |
373 | * |
374 | ******************************************************************************/ |
374 | ******************************************************************************/ |
375 | 375 | ||
376 | void |
376 | void |
377 | AcpiTbCreateLocalFadt ( |
377 | AcpiTbCreateLocalFadt ( |
378 | ACPI_TABLE_HEADER *Table, |
378 | ACPI_TABLE_HEADER *Table, |
379 | UINT32 Length) |
379 | UINT32 Length) |
380 | { |
380 | { |
381 | 381 | ||
382 | /* |
382 | /* |
383 | * Check if the FADT is larger than the largest table that we expect |
383 | * Check if the FADT is larger than the largest table that we expect |
384 | * (the ACPI 2.0/3.0 version). If so, truncate the table, and issue |
384 | * (the ACPI 2.0/3.0 version). If so, truncate the table, and issue |
385 | * a warning. |
385 | * a warning. |
386 | */ |
386 | */ |
387 | if (Length > sizeof (ACPI_TABLE_FADT)) |
387 | if (Length > sizeof (ACPI_TABLE_FADT)) |
388 | { |
388 | { |
389 | ACPI_WARNING ((AE_INFO, |
389 | ACPI_WARNING ((AE_INFO, |
390 | "FADT (revision %u) is longer than ACPI 2.0 version, " |
390 | "FADT (revision %u) is longer than ACPI 2.0 version, " |
391 | "truncating length %u to %u", |
391 | "truncating length %u to %u", |
392 | Table->Revision, Length, (UINT32) sizeof (ACPI_TABLE_FADT))); |
392 | Table->Revision, Length, (UINT32) sizeof (ACPI_TABLE_FADT))); |
393 | } |
393 | } |
394 | 394 | ||
395 | /* Clear the entire local FADT */ |
395 | /* Clear the entire local FADT */ |
396 | 396 | ||
397 | ACPI_MEMSET (&AcpiGbl_FADT, 0, sizeof (ACPI_TABLE_FADT)); |
397 | ACPI_MEMSET (&AcpiGbl_FADT, 0, sizeof (ACPI_TABLE_FADT)); |
398 | 398 | ||
399 | /* Copy the original FADT, up to sizeof (ACPI_TABLE_FADT) */ |
399 | /* Copy the original FADT, up to sizeof (ACPI_TABLE_FADT) */ |
400 | 400 | ||
401 | ACPI_MEMCPY (&AcpiGbl_FADT, Table, |
401 | ACPI_MEMCPY (&AcpiGbl_FADT, Table, |
402 | ACPI_MIN (Length, sizeof (ACPI_TABLE_FADT))); |
402 | ACPI_MIN (Length, sizeof (ACPI_TABLE_FADT))); |
403 | 403 | ||
404 | /* Convert the local copy of the FADT to the common internal format */ |
404 | /* Convert the local copy of the FADT to the common internal format */ |
405 | 405 | ||
406 | AcpiTbConvertFadt (); |
406 | AcpiTbConvertFadt (); |
407 | 407 | ||
408 | /* Validate FADT values now, before we make any changes */ |
408 | /* Validate FADT values now, before we make any changes */ |
409 | 409 | ||
410 | AcpiTbValidateFadt (); |
410 | AcpiTbValidateFadt (); |
411 | 411 | ||
412 | /* Initialize the global ACPI register structures */ |
412 | /* Initialize the global ACPI register structures */ |
413 | 413 | ||
414 | AcpiTbSetupFadtRegisters (); |
414 | AcpiTbSetupFadtRegisters (); |
415 | } |
415 | } |
416 | 416 | ||
417 | 417 | ||
418 | /******************************************************************************* |
418 | /******************************************************************************* |
419 | * |
419 | * |
420 | * FUNCTION: AcpiTbConvertFadt |
420 | * FUNCTION: AcpiTbConvertFadt |
421 | * |
421 | * |
422 | * PARAMETERS: None, uses AcpiGbl_FADT |
422 | * PARAMETERS: None, uses AcpiGbl_FADT |
423 | * |
423 | * |
424 | * RETURN: None |
424 | * RETURN: None |
425 | * |
425 | * |
426 | * DESCRIPTION: Converts all versions of the FADT to a common internal format. |
426 | * DESCRIPTION: Converts all versions of the FADT to a common internal format. |
427 | * Expand 32-bit addresses to 64-bit as necessary. |
427 | * Expand 32-bit addresses to 64-bit as necessary. |
428 | * |
428 | * |
429 | * NOTE: AcpiGbl_FADT must be of size (ACPI_TABLE_FADT), |
429 | * NOTE: AcpiGbl_FADT must be of size (ACPI_TABLE_FADT), |
430 | * and must contain a copy of the actual FADT. |
430 | * and must contain a copy of the actual FADT. |
431 | * |
431 | * |
432 | * Notes on 64-bit register addresses: |
432 | * Notes on 64-bit register addresses: |
433 | * |
433 | * |
434 | * After this FADT conversion, later ACPICA code will only use the 64-bit "X" |
434 | * After this FADT conversion, later ACPICA code will only use the 64-bit "X" |
435 | * fields of the FADT for all ACPI register addresses. |
435 | * fields of the FADT for all ACPI register addresses. |
436 | * |
436 | * |
437 | * The 64-bit "X" fields are optional extensions to the original 32-bit FADT |
437 | * The 64-bit "X" fields are optional extensions to the original 32-bit FADT |
438 | * V1.0 fields. Even if they are present in the FADT, they are optional and |
438 | * V1.0 fields. Even if they are present in the FADT, they are optional and |
439 | * are unused if the BIOS sets them to zero. Therefore, we must copy/expand |
439 | * are unused if the BIOS sets them to zero. Therefore, we must copy/expand |
440 | * 32-bit V1.0 fields if the corresponding X field is zero. |
440 | * 32-bit V1.0 fields if the corresponding X field is zero. |
441 | * |
441 | * |
442 | * For ACPI 1.0 FADTs, all 32-bit address fields are expanded to the |
442 | * For ACPI 1.0 FADTs, all 32-bit address fields are expanded to the |
443 | * corresponding "X" fields in the internal FADT. |
443 | * corresponding "X" fields in the internal FADT. |
444 | * |
444 | * |
445 | * For ACPI 2.0+ FADTs, all valid (non-zero) 32-bit address fields are expanded |
445 | * For ACPI 2.0+ FADTs, all valid (non-zero) 32-bit address fields are expanded |
446 | * to the corresponding 64-bit X fields. For compatibility with other ACPI |
446 | * to the corresponding 64-bit X fields. For compatibility with other ACPI |
447 | * implementations, we ignore the 64-bit field if the 32-bit field is valid, |
447 | * implementations, we ignore the 64-bit field if the 32-bit field is valid, |
448 | * regardless of whether the host OS is 32-bit or 64-bit. |
448 | * regardless of whether the host OS is 32-bit or 64-bit. |
449 | * |
449 | * |
450 | ******************************************************************************/ |
450 | ******************************************************************************/ |
451 | 451 | ||
452 | static void |
452 | static void |
453 | AcpiTbConvertFadt ( |
453 | AcpiTbConvertFadt ( |
454 | void) |
454 | void) |
455 | { |
455 | { |
456 | ACPI_GENERIC_ADDRESS *Address64; |
456 | ACPI_GENERIC_ADDRESS *Address64; |
457 | UINT32 Address32; |
457 | UINT32 Address32; |
458 | UINT32 i; |
458 | UINT32 i; |
459 | 459 | ||
460 | 460 | ||
461 | /* Update the local FADT table header length */ |
461 | /* Update the local FADT table header length */ |
462 | 462 | ||
463 | AcpiGbl_FADT.Header.Length = sizeof (ACPI_TABLE_FADT); |
463 | AcpiGbl_FADT.Header.Length = sizeof (ACPI_TABLE_FADT); |
464 | 464 | ||
465 | /* |
465 | /* |
466 | * Expand the 32-bit FACS and DSDT addresses to 64-bit as necessary. |
466 | * Expand the 32-bit FACS and DSDT addresses to 64-bit as necessary. |
467 | * Later code will always use the X 64-bit field. |
467 | * Later code will always use the X 64-bit field. |
468 | */ |
468 | */ |
469 | if (!AcpiGbl_FADT.XFacs) |
469 | if (!AcpiGbl_FADT.XFacs) |
470 | { |
470 | { |
471 | AcpiGbl_FADT.XFacs = (UINT64) AcpiGbl_FADT.Facs; |
471 | AcpiGbl_FADT.XFacs = (UINT64) AcpiGbl_FADT.Facs; |
472 | } |
472 | } |
473 | if (!AcpiGbl_FADT.XDsdt) |
473 | if (!AcpiGbl_FADT.XDsdt) |
474 | { |
474 | { |
475 | AcpiGbl_FADT.XDsdt = (UINT64) AcpiGbl_FADT.Dsdt; |
475 | AcpiGbl_FADT.XDsdt = (UINT64) AcpiGbl_FADT.Dsdt; |
476 | } |
476 | } |
477 | 477 | ||
478 | /* |
478 | /* |
479 | * For ACPI 1.0 FADTs (revision 1 or 2), ensure that reserved fields which |
479 | * For ACPI 1.0 FADTs (revision 1 or 2), ensure that reserved fields which |
480 | * should be zero are indeed zero. This will workaround BIOSs that |
480 | * should be zero are indeed zero. This will workaround BIOSs that |
481 | * inadvertently place values in these fields. |
481 | * inadvertently place values in these fields. |
482 | * |
482 | * |
483 | * The ACPI 1.0 reserved fields that will be zeroed are the bytes located |
483 | * The ACPI 1.0 reserved fields that will be zeroed are the bytes located |
484 | * at offset 45, 55, 95, and the word located at offset 109, 110. |
484 | * at offset 45, 55, 95, and the word located at offset 109, 110. |
- | 485 | * |
|
- | 486 | * Note: The FADT revision value is unreliable. Only the length can be |
|
- | 487 | * trusted. |
|
485 | */ |
488 | */ |
486 | if (AcpiGbl_FADT.Header.Revision < 3) |
489 | if (AcpiGbl_FADT.Header.Length <= ACPI_FADT_V2_SIZE) |
487 | { |
490 | { |
488 | AcpiGbl_FADT.PreferredProfile = 0; |
491 | AcpiGbl_FADT.PreferredProfile = 0; |
489 | AcpiGbl_FADT.PstateControl = 0; |
492 | AcpiGbl_FADT.PstateControl = 0; |
490 | AcpiGbl_FADT.CstControl = 0; |
493 | AcpiGbl_FADT.CstControl = 0; |
491 | AcpiGbl_FADT.BootFlags = 0; |
494 | AcpiGbl_FADT.BootFlags = 0; |
492 | } |
495 | } |
493 | 496 | ||
494 | /* |
497 | /* |
495 | * Expand the ACPI 1.0 32-bit addresses to the ACPI 2.0 64-bit "X" |
498 | * Expand the ACPI 1.0 32-bit addresses to the ACPI 2.0 64-bit "X" |
496 | * generic address structures as necessary. Later code will always use |
499 | * generic address structures as necessary. Later code will always use |
497 | * the 64-bit address structures. |
500 | * the 64-bit address structures. |
498 | * |
501 | * |
499 | * March 2009: |
502 | * March 2009: |
500 | * We now always use the 32-bit address if it is valid (non-null). This |
503 | * We now always use the 32-bit address if it is valid (non-null). This |
501 | * is not in accordance with the ACPI specification which states that |
504 | * is not in accordance with the ACPI specification which states that |
502 | * the 64-bit address supersedes the 32-bit version, but we do this for |
505 | * the 64-bit address supersedes the 32-bit version, but we do this for |
503 | * compatibility with other ACPI implementations. Most notably, in the |
506 | * compatibility with other ACPI implementations. Most notably, in the |
504 | * case where both the 32 and 64 versions are non-null, we use the 32-bit |
507 | * case where both the 32 and 64 versions are non-null, we use the 32-bit |
505 | * version. This is the only address that is guaranteed to have been |
508 | * version. This is the only address that is guaranteed to have been |
506 | * tested by the BIOS manufacturer. |
509 | * tested by the BIOS manufacturer. |
507 | */ |
510 | */ |
508 | for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++) |
511 | for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++) |
509 | { |
512 | { |
510 | Address32 = *ACPI_ADD_PTR (UINT32, |
513 | Address32 = *ACPI_ADD_PTR (UINT32, |
511 | &AcpiGbl_FADT, FadtInfoTable[i].Address32); |
514 | &AcpiGbl_FADT, FadtInfoTable[i].Address32); |
512 | 515 | ||
513 | Address64 = ACPI_ADD_PTR (ACPI_GENERIC_ADDRESS, |
516 | Address64 = ACPI_ADD_PTR (ACPI_GENERIC_ADDRESS, |
514 | &AcpiGbl_FADT, FadtInfoTable[i].Address64); |
517 | &AcpiGbl_FADT, FadtInfoTable[i].Address64); |
515 | 518 | ||
516 | /* |
519 | /* |
517 | * If both 32- and 64-bit addresses are valid (non-zero), |
520 | * If both 32- and 64-bit addresses are valid (non-zero), |
518 | * they must match. |
521 | * they must match. |
519 | */ |
522 | */ |
520 | if (Address64->Address && Address32 && |
523 | if (Address64->Address && Address32 && |
521 | (Address64->Address != (UINT64) Address32)) |
524 | (Address64->Address != (UINT64) Address32)) |
522 | { |
525 | { |
523 | ACPI_ERROR ((AE_INFO, |
526 | ACPI_ERROR ((AE_INFO, |
524 | "32/64X address mismatch in %s: 0x%8.8X/0x%8.8X%8.8X, using 32", |
527 | "32/64X address mismatch in %s: 0x%8.8X/0x%8.8X%8.8X, using 32", |
525 | FadtInfoTable[i].Name, Address32, |
528 | FadtInfoTable[i].Name, Address32, |
526 | ACPI_FORMAT_UINT64 (Address64->Address))); |
529 | ACPI_FORMAT_UINT64 (Address64->Address))); |
527 | } |
530 | } |
528 | 531 | ||
529 | /* Always use 32-bit address if it is valid (non-null) */ |
532 | /* Always use 32-bit address if it is valid (non-null) */ |
530 | 533 | ||
531 | if (Address32) |
534 | if (Address32) |
532 | { |
535 | { |
533 | /* |
536 | /* |
534 | * Copy the 32-bit address to the 64-bit GAS structure. The |
537 | * Copy the 32-bit address to the 64-bit GAS structure. The |
535 | * Space ID is always I/O for 32-bit legacy address fields |
538 | * Space ID is always I/O for 32-bit legacy address fields |
536 | */ |
539 | */ |
537 | AcpiTbInitGenericAddress (Address64, ACPI_ADR_SPACE_SYSTEM_IO, |
540 | AcpiTbInitGenericAddress (Address64, ACPI_ADR_SPACE_SYSTEM_IO, |
538 | *ACPI_ADD_PTR (UINT8, &AcpiGbl_FADT, FadtInfoTable[i].Length), |
541 | *ACPI_ADD_PTR (UINT8, &AcpiGbl_FADT, FadtInfoTable[i].Length), |
539 | (UINT64) Address32); |
542 | (UINT64) Address32); |
540 | } |
543 | } |
541 | } |
544 | } |
542 | } |
545 | } |
543 | 546 | ||
544 | 547 | ||
545 | /******************************************************************************* |
548 | /******************************************************************************* |
546 | * |
549 | * |
547 | * FUNCTION: AcpiTbValidateFadt |
550 | * FUNCTION: AcpiTbValidateFadt |
548 | * |
551 | * |
549 | * PARAMETERS: Table - Pointer to the FADT to be validated |
552 | * PARAMETERS: Table - Pointer to the FADT to be validated |
550 | * |
553 | * |
551 | * RETURN: None |
554 | * RETURN: None |
552 | * |
555 | * |
553 | * DESCRIPTION: Validate various important fields within the FADT. If a problem |
556 | * DESCRIPTION: Validate various important fields within the FADT. If a problem |
554 | * is found, issue a message, but no status is returned. |
557 | * is found, issue a message, but no status is returned. |
555 | * Used by both the table manager and the disassembler. |
558 | * Used by both the table manager and the disassembler. |
556 | * |
559 | * |
557 | * Possible additional checks: |
560 | * Possible additional checks: |
558 | * (AcpiGbl_FADT.Pm1EventLength >= 4) |
561 | * (AcpiGbl_FADT.Pm1EventLength >= 4) |
559 | * (AcpiGbl_FADT.Pm1ControlLength >= 2) |
562 | * (AcpiGbl_FADT.Pm1ControlLength >= 2) |
560 | * (AcpiGbl_FADT.PmTimerLength >= 4) |
563 | * (AcpiGbl_FADT.PmTimerLength >= 4) |
561 | * Gpe block lengths must be multiple of 2 |
564 | * Gpe block lengths must be multiple of 2 |
562 | * |
565 | * |
563 | ******************************************************************************/ |
566 | ******************************************************************************/ |
564 | 567 | ||
565 | static void |
568 | static void |
566 | AcpiTbValidateFadt ( |
569 | AcpiTbValidateFadt ( |
567 | void) |
570 | void) |
568 | { |
571 | { |
569 | char *Name; |
572 | char *Name; |
570 | ACPI_GENERIC_ADDRESS *Address64; |
573 | ACPI_GENERIC_ADDRESS *Address64; |
571 | UINT8 Length; |
574 | UINT8 Length; |
572 | UINT32 i; |
575 | UINT32 i; |
573 | 576 | ||
574 | 577 | ||
575 | /* |
578 | /* |
576 | * Check for FACS and DSDT address mismatches. An address mismatch between |
579 | * Check for FACS and DSDT address mismatches. An address mismatch between |
577 | * the 32-bit and 64-bit address fields (FIRMWARE_CTRL/X_FIRMWARE_CTRL and |
580 | * the 32-bit and 64-bit address fields (FIRMWARE_CTRL/X_FIRMWARE_CTRL and |
578 | * DSDT/X_DSDT) would indicate the presence of two FACS or two DSDT tables. |
581 | * DSDT/X_DSDT) would indicate the presence of two FACS or two DSDT tables. |
579 | */ |
582 | */ |
580 | if (AcpiGbl_FADT.Facs && |
583 | if (AcpiGbl_FADT.Facs && |
581 | (AcpiGbl_FADT.XFacs != (UINT64) AcpiGbl_FADT.Facs)) |
584 | (AcpiGbl_FADT.XFacs != (UINT64) AcpiGbl_FADT.Facs)) |
582 | { |
585 | { |
583 | ACPI_WARNING ((AE_INFO, |
586 | ACPI_WARNING ((AE_INFO, |
584 | "32/64X FACS address mismatch in FADT - " |
587 | "32/64X FACS address mismatch in FADT - " |
585 | "0x%8.8X/0x%8.8X%8.8X, using 32", |
588 | "0x%8.8X/0x%8.8X%8.8X, using 32", |
586 | AcpiGbl_FADT.Facs, ACPI_FORMAT_UINT64 (AcpiGbl_FADT.XFacs))); |
589 | AcpiGbl_FADT.Facs, ACPI_FORMAT_UINT64 (AcpiGbl_FADT.XFacs))); |
587 | 590 | ||
588 | AcpiGbl_FADT.XFacs = (UINT64) AcpiGbl_FADT.Facs; |
591 | AcpiGbl_FADT.XFacs = (UINT64) AcpiGbl_FADT.Facs; |
589 | } |
592 | } |
590 | 593 | ||
591 | if (AcpiGbl_FADT.Dsdt && |
594 | if (AcpiGbl_FADT.Dsdt && |
592 | (AcpiGbl_FADT.XDsdt != (UINT64) AcpiGbl_FADT.Dsdt)) |
595 | (AcpiGbl_FADT.XDsdt != (UINT64) AcpiGbl_FADT.Dsdt)) |
593 | { |
596 | { |
594 | ACPI_WARNING ((AE_INFO, |
597 | ACPI_WARNING ((AE_INFO, |
595 | "32/64X DSDT address mismatch in FADT - " |
598 | "32/64X DSDT address mismatch in FADT - " |
596 | "0x%8.8X/0x%8.8X%8.8X, using 32", |
599 | "0x%8.8X/0x%8.8X%8.8X, using 32", |
597 | AcpiGbl_FADT.Dsdt, ACPI_FORMAT_UINT64 (AcpiGbl_FADT.XDsdt))); |
600 | AcpiGbl_FADT.Dsdt, ACPI_FORMAT_UINT64 (AcpiGbl_FADT.XDsdt))); |
598 | 601 | ||
599 | AcpiGbl_FADT.XDsdt = (UINT64) AcpiGbl_FADT.Dsdt; |
602 | AcpiGbl_FADT.XDsdt = (UINT64) AcpiGbl_FADT.Dsdt; |
600 | } |
603 | } |
601 | 604 | ||
602 | /* Examine all of the 64-bit extended address fields (X fields) */ |
605 | /* Examine all of the 64-bit extended address fields (X fields) */ |
603 | 606 | ||
604 | for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++) |
607 | for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++) |
605 | { |
608 | { |
606 | /* |
609 | /* |
607 | * Generate pointer to the 64-bit address, get the register |
610 | * Generate pointer to the 64-bit address, get the register |
608 | * length (width) and the register name |
611 | * length (width) and the register name |
609 | */ |
612 | */ |
610 | Address64 = ACPI_ADD_PTR (ACPI_GENERIC_ADDRESS, |
613 | Address64 = ACPI_ADD_PTR (ACPI_GENERIC_ADDRESS, |
611 | &AcpiGbl_FADT, FadtInfoTable[i].Address64); |
614 | &AcpiGbl_FADT, FadtInfoTable[i].Address64); |
612 | Length = *ACPI_ADD_PTR (UINT8, |
615 | Length = *ACPI_ADD_PTR (UINT8, |
613 | &AcpiGbl_FADT, FadtInfoTable[i].Length); |
616 | &AcpiGbl_FADT, FadtInfoTable[i].Length); |
614 | Name = FadtInfoTable[i].Name; |
617 | Name = FadtInfoTable[i].Name; |
615 | 618 | ||
616 | /* |
619 | /* |
617 | * For each extended field, check for length mismatch between the |
620 | * For each extended field, check for length mismatch between the |
618 | * legacy length field and the corresponding 64-bit X length field. |
621 | * legacy length field and the corresponding 64-bit X length field. |
619 | */ |
622 | */ |
620 | if (Address64->Address && |
623 | if (Address64->Address && |
621 | (Address64->BitWidth != ACPI_MUL_8 (Length))) |
624 | (Address64->BitWidth != ACPI_MUL_8 (Length))) |
622 | { |
625 | { |
623 | ACPI_WARNING ((AE_INFO, |
626 | ACPI_WARNING ((AE_INFO, |
624 | "32/64X length mismatch in %s: %u/%u", |
627 | "32/64X length mismatch in %s: %u/%u", |
625 | Name, ACPI_MUL_8 (Length), Address64->BitWidth)); |
628 | Name, ACPI_MUL_8 (Length), Address64->BitWidth)); |
626 | } |
629 | } |
627 | 630 | ||
628 | if (FadtInfoTable[i].Type & ACPI_FADT_REQUIRED) |
631 | if (FadtInfoTable[i].Type & ACPI_FADT_REQUIRED) |
629 | { |
632 | { |
630 | /* |
633 | /* |
631 | * Field is required (PM1aEvent, PM1aControl, PmTimer). |
634 | * Field is required (PM1aEvent, PM1aControl, PmTimer). |
632 | * Both the address and length must be non-zero. |
635 | * Both the address and length must be non-zero. |
633 | */ |
636 | */ |
634 | if (!Address64->Address || !Length) |
637 | if (!Address64->Address || !Length) |
635 | { |
638 | { |
636 | ACPI_ERROR ((AE_INFO, |
639 | ACPI_ERROR ((AE_INFO, |
637 | "Required field %s has zero address and/or length:" |
640 | "Required field %s has zero address and/or length:" |
638 | " 0x%8.8X%8.8X/0x%X", |
641 | " 0x%8.8X%8.8X/0x%X", |
639 | Name, ACPI_FORMAT_UINT64 (Address64->Address), Length)); |
642 | Name, ACPI_FORMAT_UINT64 (Address64->Address), Length)); |
640 | } |
643 | } |
641 | } |
644 | } |
642 | else if (FadtInfoTable[i].Type & ACPI_FADT_SEPARATE_LENGTH) |
645 | else if (FadtInfoTable[i].Type & ACPI_FADT_SEPARATE_LENGTH) |
643 | { |
646 | { |
644 | /* |
647 | /* |
645 | * Field is optional (PM2Control, GPE0, GPE1) AND has its own |
648 | * Field is optional (PM2Control, GPE0, GPE1) AND has its own |
646 | * length field. If present, both the address and length must |
649 | * length field. If present, both the address and length must |
647 | * be valid. |
650 | * be valid. |
648 | */ |
651 | */ |
649 | if ((Address64->Address && !Length) || |
652 | if ((Address64->Address && !Length) || |
650 | (!Address64->Address && Length)) |
653 | (!Address64->Address && Length)) |
651 | { |
654 | { |
652 | ACPI_WARNING ((AE_INFO, |
655 | ACPI_WARNING ((AE_INFO, |
653 | "Optional field %s has zero address or length: " |
656 | "Optional field %s has zero address or length: " |
654 | "0x%8.8X%8.8X/0x%X", |
657 | "0x%8.8X%8.8X/0x%X", |
655 | Name, ACPI_FORMAT_UINT64 (Address64->Address), Length)); |
658 | Name, ACPI_FORMAT_UINT64 (Address64->Address), Length)); |
656 | } |
659 | } |
657 | } |
660 | } |
658 | } |
661 | } |
659 | } |
662 | } |
660 | 663 | ||
661 | 664 | ||
662 | /******************************************************************************* |
665 | /******************************************************************************* |
663 | * |
666 | * |
664 | * FUNCTION: AcpiTbSetupFadtRegisters |
667 | * FUNCTION: AcpiTbSetupFadtRegisters |
665 | * |
668 | * |
666 | * PARAMETERS: None, uses AcpiGbl_FADT. |
669 | * PARAMETERS: None, uses AcpiGbl_FADT. |
667 | * |
670 | * |
668 | * RETURN: None |
671 | * RETURN: None |
669 | * |
672 | * |
670 | * DESCRIPTION: Initialize global ACPI PM1 register definitions. Optionally, |
673 | * DESCRIPTION: Initialize global ACPI PM1 register definitions. Optionally, |
671 | * force FADT register definitions to their default lengths. |
674 | * force FADT register definitions to their default lengths. |
672 | * |
675 | * |
673 | ******************************************************************************/ |
676 | ******************************************************************************/ |
674 | 677 | ||
675 | static void |
678 | static void |
676 | AcpiTbSetupFadtRegisters ( |
679 | AcpiTbSetupFadtRegisters ( |
677 | void) |
680 | void) |
678 | { |
681 | { |
679 | ACPI_GENERIC_ADDRESS *Target64; |
682 | ACPI_GENERIC_ADDRESS *Target64; |
680 | ACPI_GENERIC_ADDRESS *Source64; |
683 | ACPI_GENERIC_ADDRESS *Source64; |
681 | UINT8 Pm1RegisterByteWidth; |
684 | UINT8 Pm1RegisterByteWidth; |
682 | UINT32 i; |
685 | UINT32 i; |
683 | 686 | ||
684 | 687 | ||
685 | /* |
688 | /* |
686 | * Optionally check all register lengths against the default values and |
689 | * Optionally check all register lengths against the default values and |
687 | * update them if they are incorrect. |
690 | * update them if they are incorrect. |
688 | */ |
691 | */ |
689 | if (AcpiGbl_UseDefaultRegisterWidths) |
692 | if (AcpiGbl_UseDefaultRegisterWidths) |
690 | { |
693 | { |
691 | for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++) |
694 | for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++) |
692 | { |
695 | { |
693 | Target64 = ACPI_ADD_PTR (ACPI_GENERIC_ADDRESS, &AcpiGbl_FADT, |
696 | Target64 = ACPI_ADD_PTR (ACPI_GENERIC_ADDRESS, &AcpiGbl_FADT, |
694 | FadtInfoTable[i].Address64); |
697 | FadtInfoTable[i].Address64); |
695 | 698 | ||
696 | /* |
699 | /* |
697 | * If a valid register (Address != 0) and the (DefaultLength > 0) |
700 | * If a valid register (Address != 0) and the (DefaultLength > 0) |
698 | * (Not a GPE register), then check the width against the default. |
701 | * (Not a GPE register), then check the width against the default. |
699 | */ |
702 | */ |
700 | if ((Target64->Address) && |
703 | if ((Target64->Address) && |
701 | (FadtInfoTable[i].DefaultLength > 0) && |
704 | (FadtInfoTable[i].DefaultLength > 0) && |
702 | (FadtInfoTable[i].DefaultLength != Target64->BitWidth)) |
705 | (FadtInfoTable[i].DefaultLength != Target64->BitWidth)) |
703 | { |
706 | { |
704 | ACPI_WARNING ((AE_INFO, |
707 | ACPI_WARNING ((AE_INFO, |
705 | "Invalid length for %s: %u, using default %u", |
708 | "Invalid length for %s: %u, using default %u", |
706 | FadtInfoTable[i].Name, Target64->BitWidth, |
709 | FadtInfoTable[i].Name, Target64->BitWidth, |
707 | FadtInfoTable[i].DefaultLength)); |
710 | FadtInfoTable[i].DefaultLength)); |
708 | 711 | ||
709 | /* Incorrect size, set width to the default */ |
712 | /* Incorrect size, set width to the default */ |
710 | 713 | ||
711 | Target64->BitWidth = FadtInfoTable[i].DefaultLength; |
714 | Target64->BitWidth = FadtInfoTable[i].DefaultLength; |
712 | } |
715 | } |
713 | } |
716 | } |
714 | } |
717 | } |
715 | 718 | ||
716 | /* |
719 | /* |
717 | * Get the length of the individual PM1 registers (enable and status). |
720 | * Get the length of the individual PM1 registers (enable and status). |
718 | * Each register is defined to be (event block length / 2). Extra divide |
721 | * Each register is defined to be (event block length / 2). Extra divide |
719 | * by 8 converts bits to bytes. |
722 | * by 8 converts bits to bytes. |
720 | */ |
723 | */ |
721 | Pm1RegisterByteWidth = (UINT8) |
724 | Pm1RegisterByteWidth = (UINT8) |
722 | ACPI_DIV_16 (AcpiGbl_FADT.XPm1aEventBlock.BitWidth); |
725 | ACPI_DIV_16 (AcpiGbl_FADT.XPm1aEventBlock.BitWidth); |
723 | 726 | ||
724 | /* |
727 | /* |
725 | * Calculate separate GAS structs for the PM1x (A/B) Status and Enable |
728 | * Calculate separate GAS structs for the PM1x (A/B) Status and Enable |
726 | * registers. These addresses do not appear (directly) in the FADT, so it |
729 | * registers. These addresses do not appear (directly) in the FADT, so it |
727 | * is useful to pre-calculate them from the PM1 Event Block definitions. |
730 | * is useful to pre-calculate them from the PM1 Event Block definitions. |
728 | * |
731 | * |
729 | * The PM event blocks are split into two register blocks, first is the |
732 | * The PM event blocks are split into two register blocks, first is the |
730 | * PM Status Register block, followed immediately by the PM Enable |
733 | * PM Status Register block, followed immediately by the PM Enable |
731 | * Register block. Each is of length (Pm1EventLength/2) |
734 | * Register block. Each is of length (Pm1EventLength/2) |
732 | * |
735 | * |
733 | * Note: The PM1A event block is required by the ACPI specification. |
736 | * Note: The PM1A event block is required by the ACPI specification. |
734 | * However, the PM1B event block is optional and is rarely, if ever, |
737 | * However, the PM1B event block is optional and is rarely, if ever, |
735 | * used. |
738 | * used. |
736 | */ |
739 | */ |
737 | 740 | ||
738 | for (i = 0; i < ACPI_FADT_PM_INFO_ENTRIES; i++) |
741 | for (i = 0; i < ACPI_FADT_PM_INFO_ENTRIES; i++) |
739 | { |
742 | { |
740 | Source64 = ACPI_ADD_PTR (ACPI_GENERIC_ADDRESS, &AcpiGbl_FADT, |
743 | Source64 = ACPI_ADD_PTR (ACPI_GENERIC_ADDRESS, &AcpiGbl_FADT, |
741 | FadtPmInfoTable[i].Source); |
744 | FadtPmInfoTable[i].Source); |
742 | 745 | ||
743 | if (Source64->Address) |
746 | if (Source64->Address) |
744 | { |
747 | { |
745 | AcpiTbInitGenericAddress (FadtPmInfoTable[i].Target, |
748 | AcpiTbInitGenericAddress (FadtPmInfoTable[i].Target, |
746 | Source64->SpaceId, Pm1RegisterByteWidth, |
749 | Source64->SpaceId, Pm1RegisterByteWidth, |
747 | Source64->Address + |
750 | Source64->Address + |
748 | (FadtPmInfoTable[i].RegisterNum * Pm1RegisterByteWidth)); |
751 | (FadtPmInfoTable[i].RegisterNum * Pm1RegisterByteWidth)); |
749 | } |
752 | } |
750 | } |
753 | } |
751 | }>>>>> |
754 | }>>>>=> |