]> git.proxmox.com Git - mirror_edk2.git/blame - Vlv2TbltDevicePkg/AcpiPlatform/AcpiPlatformHooks.c
projects / mirror_edk2.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Vlv2TbltDevicePkg/AcpiPlatform: Remove unused variables
[mirror_edk2.git] / Vlv2TbltDevicePkg / AcpiPlatform / AcpiPlatformHooks.c
CommitLineData
3cbfba02
DW		 1/** @file\r
2\r
3 Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>\r
4 \r\r
5 This program and the accompanying materials are licensed and made available under\r\r
6 the terms and conditions of the BSD License that accompanies this distribution. \r\r
7 The full text of the license may be found at \r\r
8 http://opensource.org/licenses/bsd-license.php. \r\r
9 \r\r
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r\r
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r\r
12 \r\r
13\r
14Module Name:\r
15\r
16 AcpiPlatformHooks.c\r
17\r
18Abstract:\r
19\r
20 ACPI Platform Driver Hooks\r
21\r
22--*/\r
23\r
24//\r
25// Statements that include other files.\r
26//\r
27#include "AcpiPlatform.h"\r
28#include "AcpiPlatformHooks.h"\r
29#include "Platform.h"\r
30\r
31//\r
32// Prototypes of the various hook functions.\r
33//\r
34#include "AcpiPlatformHooksLib.h"\r
35\r
36extern EFI_GLOBAL_NVS_AREA_PROTOCOL mGlobalNvsArea;\r
37extern SYSTEM_CONFIGURATION mSystemConfiguration;\r
38\r
39ENHANCED_SPEEDSTEP_PROTOCOL *mEistProtocol = NULL;\r
40\r
41EFI_CPU_ID_MAP mCpuApicIdAcpiIdMapTable[MAX_CPU_NUM];\r
42\r
43EFI_STATUS\r
44AppendCpuMapTableEntry (\r
45 IN EFI_ACPI_2_0_PROCESSOR_LOCAL_APIC_STRUCTURE *AcpiLocalApic\r
46 )\r
47{\r
48 BOOLEAN Added;\r
49 UINTN Index;\r
50\r
51 for (Index = 0; Index < MAX_CPU_NUM; Index++) {\r
52 if ((mCpuApicIdAcpiIdMapTable[Index].ApicId == AcpiLocalApic->ApicId) && mCpuApicIdAcpiIdMapTable[Index].Flags) {\r
53 return EFI_SUCCESS;\r
54 }\r
55 }\r
56\r
57 Added = FALSE;\r
58 for (Index = 0; Index < MAX_CPU_NUM; Index++) {\r
59 if (!mCpuApicIdAcpiIdMapTable[Index].Flags) {\r
60 mCpuApicIdAcpiIdMapTable[Index].Flags = 1;\r
61 mCpuApicIdAcpiIdMapTable[Index].ApicId = AcpiLocalApic->ApicId;\r
62 mCpuApicIdAcpiIdMapTable[Index].AcpiProcessorId = AcpiLocalApic->AcpiProcessorId;\r
63 Added = TRUE;\r
64 break;\r
65 }\r
66 }\r
67\r
68 ASSERT (Added);\r
69 return EFI_SUCCESS;\r
70}\r
71\r
72UINT32\r
73ProcessorId2ApicId (\r
74 UINT32 AcpiProcessorId\r
75 )\r
76{\r
77 UINTN Index;\r
78\r
79 ASSERT (AcpiProcessorId < MAX_CPU_NUM);\r
80 for (Index = 0; Index < MAX_CPU_NUM; Index++) {\r
81 if (mCpuApicIdAcpiIdMapTable[Index].Flags && (mCpuApicIdAcpiIdMapTable[Index].AcpiProcessorId == AcpiProcessorId)) {\r
82 return mCpuApicIdAcpiIdMapTable[Index].ApicId;\r
83 }\r
84 }\r
85\r
86 return (UINT32) -1;\r
87}\r
88\r
89UINT8\r
90GetProcNumberInPackage (\r
91 IN UINT8 Package\r
92 )\r
93{\r
94 UINTN Index;\r
95 UINT8 Number;\r
96\r
97 Number = 0;\r
98 for (Index = 0; Index < MAX_CPU_NUM; Index++) {\r
99 if (mCpuApicIdAcpiIdMapTable[Index].Flags && (((mCpuApicIdAcpiIdMapTable[Index].ApicId >> 0x04) & 0x01) == Package)) {\r
100 Number++;\r
101 }\r
102 }\r
103\r
104 return Number;\r
105}\r
106\r
107EFI_STATUS\r
108LocateCpuEistProtocol (\r
109 IN UINT32 CpuIndex,\r
110 OUT ENHANCED_SPEEDSTEP_PROTOCOL **EistProtocol\r
111 )\r
112{\r
113 UINTN HandleCount;\r
114 EFI_HANDLE *HandleBuffer;\r
115 ENHANCED_SPEEDSTEP_PROTOCOL *EistProt;\r
116 UINTN Index;\r
117 UINT32 ApicId;\r
118 EFI_STATUS Status;\r
119\r
120 HandleCount = 0;\r
121 gBS->LocateHandleBuffer (\r
122 ByProtocol,\r
123 &gEnhancedSpeedstepProtocolGuid,\r
124 NULL,\r
125 &HandleCount,\r
126 &HandleBuffer\r
127 );\r
128\r
129 Index = 0;\r
130 EistProt = NULL;\r
131 Status = EFI_NOT_FOUND;\r
132 while (Index < HandleCount) {\r
133 gBS->HandleProtocol (\r
134 HandleBuffer[Index],\r
135 &gEnhancedSpeedstepProtocolGuid,\r
136 (VOID **) &EistProt\r
137 );\r
138 //\r
139 // Adjust the CpuIndex by +1 due to the AcpiProcessorId is 1 based.\r
140 //\r
141 ApicId = ProcessorId2ApicId (CpuIndex+1);\r
142 if (ApicId == (UINT32) -1) {\r
143 break;\r
144 }\r
145\r
146 if (EistProt->ProcApicId == ApicId) {\r
147 Status = EFI_SUCCESS;\r
148 break;\r
149 }\r
150\r
151 Index++;\r
152 }\r
153\r
154 if (HandleBuffer != NULL) {\r
155 gBS->FreePool (HandleBuffer);\r
156 }\r
157\r
158 if (!EFI_ERROR (Status)) {\r
159 *EistProtocol = EistProt;\r
160 } else {\r
161 *EistProtocol = NULL;\r
162 }\r
163\r
164 return Status;\r
165}\r
166\r
167EFI_STATUS\r
168PlatformHookInit (\r
169 VOID\r
170 )\r
171{\r
172 EFI_STATUS Status;\r
173\r
174 Status = gBS->LocateProtocol (\r
175 &gEnhancedSpeedstepProtocolGuid,\r
176 NULL,\r
177 (VOID **) &mEistProtocol\r
178 );\r
179\r
180 ASSERT_EFI_ERROR (Status);\r
181\r
182 return Status;\r
183}\r
184\r
185/**\r
186 Called for every ACPI table found in the BIOS flash.\r
187 Returns whether a table is active or not. Inactive tables\r
188 are not published in the ACPI table list.\r
189\r
190 This hook can be used to implement optional SSDT tables or\r
191 enabling/disabling specific functionality (e.g. SPCR table)\r
192 based on a setup switch or platform preference. In case of\r
193 optional SSDT tables,the platform flash will include all the\r
194 SSDT tables but will return EFI_SUCCESS only for those tables\r
195 that need to be published.\r
196\r
197 @param[in] *Table Pointer to the active table.\r
198\r
199 @retval EFI_SUCCESS if the table is active.\r
200 @retval EFI_UNSUPPORTED if the table is not active.\r
201\r
202**/\r
203EFI_STATUS\r
204AcpiPlatformHooksIsActiveTable (\r
205 IN OUT EFI_ACPI_COMMON_HEADER *Table\r
206 )\r
207{\r
208 EFI_ACPI_DESCRIPTION_HEADER *TableHeader;\r
209\r
210 TableHeader = (EFI_ACPI_DESCRIPTION_HEADER *) Table;\r
211\r
212 if (TableHeader->Signature == EFI_ACPI_2_0_STATIC_RESOURCE_AFFINITY_TABLE_SIGNATURE) {\r
213\r
214 }\r
215\r
216 if ((mSystemConfiguration.ENDBG2 == 0) && (CompareMem (&TableHeader->OemTableId, "INTLDBG2", 8) == 0)) {\r
217 return EFI_UNSUPPORTED;\r
218 }\r
219 return EFI_SUCCESS;\r
220}\r
221\r
222/**\r
223 Update the GV3 SSDT table.\r
224\r
225 @param[in][out] *TableHeader The table to be set.\r
226\r
227 @retval EFI_SUCCESS Returns Success.\r
228\r
229**/\r
230EFI_STATUS\r
231PatchGv3SsdtTable (\r
232 IN OUT EFI_ACPI_DESCRIPTION_HEADER *TableHeader\r
233 )\r
234{\r
3cbfba02
DW		 235 UINT8 *CurrPtr;\r
236 UINT8 *SsdtPointer;\r
237 UINT32 Signature;\r
238 UINT32 CpuFixes;\r
239 UINT32 NpssFixes;\r
240 UINT32 SpssFixes;\r
241 UINT32 CpuIndex;\r
242 UINT32 PackageSize;\r
243 UINT32 NewPackageSize;\r
244 UINT32 AdjustSize;\r
245 UINTN EntryIndex;\r
246 UINTN TableIndex;\r
247 EFI_ACPI_NAME_COMMAND *PssTable;\r
248 EFI_PSS_PACKAGE *PssTableItemPtr;\r
249 ENHANCED_SPEEDSTEP_PROTOCOL *EistProt;\r
250 EIST_INFORMATION *EistInfo;\r
251 EFI_ACPI_CPU_PSS_STATE *PssState;\r
252 EFI_ACPI_NAMEPACK_DWORD *NamePtr;\r
253 //\r
254 // Loop through the ASL looking for values that we must fix up.\r
255 //\r
256 NpssFixes = 0;\r
257 SpssFixes = 0;\r
258 CpuFixes = 0;\r
259 CpuIndex = 0;\r
260 CurrPtr = (UINT8 *) TableHeader;\r
261\r
262 EistProt = NULL;\r
263 for (SsdtPointer = CurrPtr; SsdtPointer <= (CurrPtr + ((EFI_ACPI_COMMON_HEADER *) CurrPtr)->Length); SsdtPointer++) {\r
264 Signature = *(UINT32 *) SsdtPointer;\r
265 switch (Signature) {\r
266\r
267 case SIGNATURE_32 ('_', 'P', 'R', '_'):\r
268 //\r
269 // _CPUX ('0' to '0xF')\r
270 //\r
271 CpuIndex = *(SsdtPointer + 7);\r
272 if (CpuIndex >= '0' && CpuIndex <= '9') {\r
273 CpuIndex -= '0';\r
274 } else {\r
275 if (CpuIndex > '9') {\r
276 CpuIndex -= '7';\r
277 }\r
278 }\r
279\r
280 CpuFixes++;\r
281 LocateCpuEistProtocol (CpuIndex, &EistProt);\r
282 break;\r
283\r
284 case SIGNATURE_32 ('D', 'O', 'M', 'N'):\r
285\r
286 NamePtr = ACPI_NAME_COMMAND_FROM_NAMEPACK_STR (SsdtPointer);\r
287 if (NamePtr->StartByte != AML_NAME_OP) {\r
288 continue;\r
289 }\r
290\r
291 if (NamePtr->Size != AML_NAME_DWORD_SIZE) {\r
292 continue;\r
293 }\r
294\r
295 NamePtr->Value = 0;\r
296\r
297 if (mCpuApicIdAcpiIdMapTable[CpuIndex].Flags) {\r
298 NamePtr->Value = (mCpuApicIdAcpiIdMapTable[CpuIndex].ApicId >> 0x04) & 0x01;\r
299 }\r
300 break;\r
301\r
302 case SIGNATURE_32 ('N', 'C', 'P', 'U'):\r
303\r
304 NamePtr = ACPI_NAME_COMMAND_FROM_NAMEPACK_STR (SsdtPointer);\r
305 if (NamePtr->StartByte != AML_NAME_OP) {\r
306 continue;\r
307 }\r
308\r
309 if (NamePtr->Size != AML_NAME_DWORD_SIZE) {\r
310 continue;\r
311 }\r
312\r
313 NamePtr->Value = 0;\r
314 if (mCpuApicIdAcpiIdMapTable[CpuIndex].Flags) {\r
315 NamePtr->Value = GetProcNumberInPackage ((mCpuApicIdAcpiIdMapTable[CpuIndex].ApicId >> 0x04) & 0x01);\r
316 }\r
317 break;\r
318\r
319 case SIGNATURE_32 ('N', 'P', 'S', 'S'):\r
320 case SIGNATURE_32 ('S', 'P', 'S', 'S'):\r
321 if (EistProt == NULL) {\r
322 continue;\r
323 }\r
324\r
325 PssTable = ACPI_NAME_COMMAND_FROM_NAME_STR (SsdtPointer);\r
326 if (PssTable->StartByte != AML_NAME_OP) {\r
327 continue;\r
328 }\r
329\r
fe6e53b5 330 EistProt->GetEistTable (EistProt, &EistInfo, (VOID **) &PssState);\r
3cbfba02
DW		 331\r
332 AdjustSize = PssTable->NumEntries * sizeof (EFI_PSS_PACKAGE);\r
333 AdjustSize -= EistInfo->NumStates * sizeof (EFI_PSS_PACKAGE);\r
334 PackageSize = (PssTable->Size & 0xF) + ((PssTable->Size & 0xFF00) >> 4);\r
335 NewPackageSize = PackageSize - AdjustSize;\r
336 PssTable->Size = (UINT16) ((NewPackageSize & 0xF) + ((NewPackageSize & 0x0FF0) << 4));\r
337\r
338 //\r
339 // Set most significant two bits of byte zero to 01, meaning two bytes used.\r
340 //\r
341 PssTable->Size |= 0x40;\r
342\r
343 //\r
344 // Set unused table to Noop Code.\r
345 //\r
346 SetMem( (UINT8 *) PssTable + NewPackageSize + AML_NAME_PREFIX_SIZE, AdjustSize, AML_NOOP_OP);\r
347 PssTable->NumEntries = (UINT8) EistInfo->NumStates;\r
348 PssTableItemPtr = (EFI_PSS_PACKAGE *) ((UINT8 *) PssTable + sizeof (EFI_ACPI_NAME_COMMAND));\r
349\r
350 //\r
351 // Update the size.\r
352 //\r
353 for (TableIndex = 0; TableIndex < EistInfo->NumStates; TableIndex++) {\r
354 EntryIndex = EistInfo->NumStates - TableIndex - 1;\r
355 PssTableItemPtr->CoreFreq = PssState[EntryIndex].CoreFrequency * PssState[EntryIndex].Control;\r
356 PssTableItemPtr->Power = PssState[EntryIndex].Power * 1000;\r
357 if (PssTable->NameStr == SIGNATURE_32 ('N', 'P', 'S', 'S')) {\r
358 PssTableItemPtr->BMLatency = PssState[EntryIndex].BusMasterLatency;\r
359 PssTableItemPtr->TransLatency = PssState[EntryIndex].TransitionLatency;\r
360 } else {\r
361 //\r
362 // This method should be supported by SMM PPM Handler.\r
363 //\r
364 PssTableItemPtr->BMLatency = PssState[EntryIndex].BusMasterLatency * 2;\r
365 PssTableItemPtr->TransLatency = PssState[EntryIndex].TransitionLatency * 10;\r
366 }\r
367\r
368 PssTableItemPtr->Control = PssState[EntryIndex].Control;\r
369 PssTableItemPtr->Status = PssState[EntryIndex].Status;\r
370 PssTableItemPtr++;\r
371 }\r
372\r
373 if (PssTable->NameStr == SIGNATURE_32 ('N', 'P', 'S', 'S')) {\r
374 NpssFixes++;\r
375 } else {\r
376 SpssFixes++;\r
377 }\r
378\r
379 SsdtPointer = (UINT8 *) PssTable + PackageSize;\r
380 break;\r
381 }\r
382 }\r
383\r
384 //\r
385 // N fixes together currently.\r
386 //\r
387 ASSERT (CpuFixes == (UINT32) MAX_CPU_NUM);\r
388 ASSERT (SpssFixes == NpssFixes);\r
389 ASSERT (CpuFixes >= SpssFixes);\r
390\r
391 return EFI_SUCCESS;\r
392}\r
393\r
394/**\r
395 Update the DSDT table.\r
396\r
397 @param[in][out] *TableHeader The table to be set.\r
398\r
399 @retval EFI_SUCCESS Returns EFI_SUCCESS.\r
400\r
401**/\r
402EFI_STATUS\r
403PatchDsdtTable (\r
404 IN OUT EFI_ACPI_DESCRIPTION_HEADER *TableHeader\r
405 )\r
406{\r
407\r
408 UINT8 *CurrPtr;\r
409 UINT8 *DsdtPointer;\r
410 UINT32 *Signature;\r
411 UINT8 *EndPtr;\r
412 UINT8 *Operation;\r
413 UINT32 *Address;\r
414 UINT16 *Size;\r
415\r
416 //\r
417 // Fix PCI32 resource "FIX0" -- PSYS system status area\r
418 //\r
419 CurrPtr = (UINT8*) &((EFI_ACPI_DESCRIPTION_HEADER*) TableHeader)[0];\r
420 EndPtr = (UINT8*) TableHeader;\r
421 EndPtr = EndPtr + TableHeader->Length;\r
422 while (CurrPtr < (EndPtr-2)) {\r
423 //\r
424 // Removed the _S3 tag to indicate that we do not support S3. The 4th byte is blank space\r
425 // since there are only 3 char "_S3".\r
426 //\r
427 if (mSystemConfiguration.AcpiSuspendState == 0) {\r
428 //\r
429 // For iasl compiler version 20061109.\r
430 //\r
431 if ((CurrPtr[0] == '_') && (CurrPtr[1] == 'S') && (CurrPtr[2] == '3') && (CurrPtr[3] == '_')) {\r
432 break;\r
433 }\r
434 //\r
435 // For iasl compiler version 20040527.\r
436 //\r
437 if ((CurrPtr[0] == '\\') && (CurrPtr[1] == '_') && (CurrPtr[2] == 'S') && (CurrPtr[3] == '3')) {\r
438 break;\r
439 }\r
440 }\r
441 CurrPtr++;\r
442 }\r
443 CurrPtr = (UINT8*) &((EFI_ACPI_DESCRIPTION_HEADER*) TableHeader)[0];\r
444 EndPtr = (UINT8*) TableHeader;\r
445 EndPtr = EndPtr + TableHeader->Length;\r
446 while (CurrPtr < (EndPtr-2)) {\r
447 //\r
448 // For mipi dsi port select _DEP.\r
449 //\r
450 if (mSystemConfiguration.MipiDsi== 1) {\r
451 //\r
452 // For iasl compiler version 20061109.\r
453 //\r
454 if ((CurrPtr[0] == 'N') && (CurrPtr[1] == 'D') && (CurrPtr[2] == 'E') && (CurrPtr[3] == 'P')) {\r
455 CurrPtr[0] = '_';\r
456 break;\r
457 }\r
458\r
459 } else {\r
460 if ((CurrPtr[0] == 'P') && (CurrPtr[1] == 'D') && (CurrPtr[2] == 'E') && (CurrPtr[3] == 'P')) {\r
461 CurrPtr[0] = '_';\r
462 break;\r
463 }\r
464\r
465 }\r
466 CurrPtr++;\r
467 }\r
468 //\r
469 // Loop through the ASL looking for values that we must fix up.\r
470 //\r
471 CurrPtr = (UINT8 *) TableHeader;\r
472 for (DsdtPointer = CurrPtr; DsdtPointer <= (CurrPtr + ((EFI_ACPI_COMMON_HEADER *) CurrPtr)->Length); DsdtPointer++) {\r
473 Signature = (UINT32 *) DsdtPointer;\r
474\r
475 switch (*Signature) {\r
476 //\r
477 // GNVS operation region.\r
478 //\r
479 case (SIGNATURE_32 ('G', 'N', 'V', 'S')):\r
480 //\r
481 // Conditional match. For Region Objects, the Operator will always be the\r
482 // byte immediately before the specific name. Therefore, subtract 1 to check\r
483 // the Operator.\r
484 //\r
485 Operation = DsdtPointer - 1;\r
486 if (*Operation == AML_OPREGION_OP) {\r
487 Address = (UINT32 *) (DsdtPointer + 6);\r
488 *Address = (UINT32) (UINTN) mGlobalNvsArea.Area;\r
489 Size = (UINT16 *) (DsdtPointer + 11);\r
490 *Size = sizeof (EFI_GLOBAL_NVS_AREA);\r
491 }\r
492 break;\r
493 default:\r
494 break;\r
495 }\r
496 }\r
497 return EFI_SUCCESS;\r
498}\r
499\r
EFI Development Kit II mirror for PVE