Vlv2TbltDevicePkg/PlatformDxe/PlatformDxe.h

   1 /*++
   2
   3   Copyright (c) 2004  - 2015, Intel Corporation. All rights reserved.<BR>
   4
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7
   8
   9 Module Name:
  10
  11   PlatformDxe.h
  12
  13 Abstract:
  14
  15   Header file for Platform Initialization Driver.
  16
  17
  18
  19 ++*/
  20
  21 #ifndef _PLATFORM_DRIVER_H
  22 #define _PLATFORM_DRIVER_H
  23
  24 #include <PiDxe.h>
  25 #include <Library/BaseLib.h>
  26 #include <Library/DebugLib.h>
  27 #include <Library/UefiLib.h>
  28 #include <Library/UefiDriverEntryPoint.h>
  29 #include <Library/PcdLib.h>
  30 #include <Library/HobLib.h>
  31 #include <Library/MemoryAllocationLib.h>
  32 #include <Library/UefiBootServicesTableLib.h>
  33 #include <Library/BaseMemoryLib.h>
  34 #include <Library/UefiRuntimeServicesTableLib.h>
  35 #include <Library/IoLib.h>
  36 #include <Library/ReportStatusCodeLib.h>
  37 #include <Library/HobLib.h>
  38 #include <Library/EfiRegTableLib.h>
  39 #include <Library/Tpm2CommandLib.h>
  40 #include <Library/Tpm2DeviceLib.h>
  41 #include <Library/BaseCryptLib.h>
  42 #include <Library/BiosIdLib.h>
  43 #include <Protocol/GlobalNvsArea.h>
  44 #include <Protocol/PciRootBridgeIo.h>
  45 #include <Protocol/IsaAcpi.h>
  46 #include <Framework/FrameworkInternalFormRepresentation.h>
  47 #include <Protocol/FrameworkHii.h>
  48 #include <Protocol/FrameworkFormCallback.h>
  49 #include <Protocol/CpuIo.h>
  50 #include <Protocol/BootScriptSave.h>
  51 #include <Framework/BootScript.h>
  52 #include <Guid/GlobalVariable.h>
  53 #include <Guid/BoardFeatures.h>
  54 #include <Guid/DataHubRecords.h>
  55 #include <Protocol/DataHub.h>
  56 #include <Protocol/PciIo.h>
  57 #include <Protocol/Speaker.h>
  58 #include <Protocol/ExitPmAuth.h>
  59 #include <IndustryStandard/Pci22.h>
  60 #include <Guid/SetupVariable.h>
  61 #include <Guid/PlatformInfo.h>
  62 #include "Configuration.h"
  63 #define _EFI_H_    //skip efi.h
  64 #include "PchAccess.h"
  65 #include "VlvAccess.h"
  66 #include "BoardIdDecode.h"
  67 #include "PlatformBaseAddresses.h"
  68 #include "SetupMode.h"
  69 #include "PlatformBootMode.h"
  70 #include "CpuType.h"
  71
  72 #define PCAT_RTC_ADDRESS_REGISTER   0x74
  73 #define PCAT_RTC_DATA_REGISTER      0x75
  74
  75 #define RTC_ADDRESS_SECOND_ALARM    0x01
  76 #define RTC_ADDRESS_MINUTE_ALARM    0x03
  77 #define RTC_ADDRESS_HOUR_ALARM      0x05
  78
  79 #define RTC_ADDRESS_REGISTER_A      0x0A
  80 #define RTC_ADDRESS_REGISTER_B      0x0B
  81 #define RTC_ADDRESS_REGISTER_C      0x0C
  82 #define RTC_ADDRESS_REGISTER_D      0x0D
  83
  84 #define B_RTC_ALARM_INT_ENABLE      0x20
  85 #define B_RTC_ALARM_INT_STATUS      0x20
  86
  87 #define B_RTC_DATE_ALARM_MASK       0x3F
  88
  89 //
  90 // Default CPU Alternate Duty Cycle (255=100%, 0=0%)
  91 //
  92 #define DEF_CPU_ALT_DUTY_CYCLE 0xFF
  93
  94 #define MAX_ONBOARD_SATA_DEVICE 2
  95
  96 #define DXE_DEVICE_ENABLED  1
  97 #define DXE_DEVICE_DISABLED 0
  98
  99 #define AZALIA_MAX_LOOP_TIME  0x10000
 100
 101 //
 102 // Platform driver GUID
 103 //
 104 #define EFI_PLATFORM_DRIVER_GUID \
 105   { 0x056E7324, 0xA718, 0x465b, 0x9A, 0x84, 0x22, 0x8F, 0x06, 0x64, 0x2B, 0x4F }
 106
 107 #define PASSWORD_MAX_SIZE               20
 108 #define PLATFORM_NORMAL_MODE          0x01
 109 #define PLATFORM_SAFE_MODE            0x02
 110 #define PLATFORM_RECOVERY_MODE        0x04
 111 #define PLATFORM_MANUFACTURING_MODE   0x08
 112 #define PLATFORM_BACK_TO_BIOS_MODE    0x10
 113
 114 #define EFI_OEM_SPECIFIC      0x8000
 115 #define EFI_CU_PLATFORM_DXE_INIT                     (EFI_OEM_SPECIFIC | 0x00000011)
 116 #define EFI_CU_PLATFORM_DXE_STEP1                    (EFI_OEM_SPECIFIC | 0x00000012)
 117 #define EFI_CU_PLATFORM_DXE_STEP2                    (EFI_OEM_SPECIFIC | 0x00000013)
 118 #define EFI_CU_PLATFORM_DXE_STEP3                    (EFI_OEM_SPECIFIC | 0x00000014)
 119 #define EFI_CU_PLATFORM_DXE_STEP4                    (EFI_OEM_SPECIFIC | 0x00000015)
 120 #define EFI_CU_PLATFORM_DXE_INIT_DONE                (EFI_OEM_SPECIFIC | 0x00000016)
 121
 122
 123 #define EFI_SECTION_STRING                  0x1C
 124 #define EFI_FORWARD_DECLARATION(x) typedef struct _##x x
 125 #define PREFIX_BLANK                        0x04
 126
 127 #pragma pack(1)
 128
 129 typedef UINT64 EFI_BOARD_FEATURES;
 130
 131 //
 132 //BUGBUG: should remove these EDK hii definition once Hii transtion is done
 133 //
 134 typedef UINT16  STRING_REF;
 135 typedef UINT16  EFI_FORM_LABEL;
 136
 137 typedef enum {
 138   EfiUserPassword,
 139   EfiAdminPassword
 140 } EFI_PASSWORD_TYPE;
 141
 142 typedef struct {
 143   CHAR16            TempPassword[PASSWORD_MAX_SIZE];
 144   CHAR16            EncodedPassword[PASSWORD_MAX_SIZE];
 145   VOID              *PasswordLocation;
 146   EFI_PASSWORD_TYPE PasswordType;
 147 } EFI_PASSWORD_DATA;
 148
 149 typedef struct {
 150   CHAR8 AaNumber[7];
 151   UINT8 BoardId;
 152   EFI_BOARD_FEATURES Features;
 153   UINT16 SubsystemDeviceId;
 154   UINT16 AudioSubsystemDeviceId;
 155   UINT64 AcpiOemTableId;
 156 } BOARD_ID_DECODE;
 157
 158 typedef
 159 EFI_STATUS
 160 (EFIAPI *EFI_FORM_ROUTINE) (
 161   SYSTEM_CONFIGURATION *SetupBuffer
 162   );
 163
 164 typedef struct{
 165   UINT16 DeviceNumber;
 166   UINT16 FunctionNumber;
 167 }PCI_DEVICE_FUNC_INFO;
 168
 169 typedef struct{
 170   CHAR16 PortNumber[4];
 171   STRING_REF SataDeviceInfoStringId;
 172 }SATA_DEVICE_STRING_INFO;
 173
 174 typedef struct {
 175   UINT16  Signature;
 176   UINT8   Size;
 177   UINT32  EntryPoint;
 178   UINT8   Reserve[17];
 179   UINT16  PciDataOff;
 180   UINT16  ExpansionOff;
 181 } PNP_OPTION_ROM_HEADER;
 182
 183 typedef struct {
 184   UINT32  Signature;
 185   UINT8   Revision;
 186   UINT8   Length;
 187   UINT16  NextHeader;
 188   UINT8   Reserve;
 189   UINT8   CheckSum;
 190   UINT32  DeviceId;
 191   UINT16  ManufactureStrOff;
 192   UINT16  ProductStrOff;
 193 } PNP_EXPANSION_HEADER;
 194
 195 typedef struct {
 196   BOOLEAN                         Enable;
 197   UINT8                           VerbTableNum;
 198   UINT16                          CodecSSID;
 199   EFI_PHYSICAL_ADDRESS            HDABar;
 200   EFI_PHYSICAL_ADDRESS            UpperHDABar;
 201   UINT8                           SDIPresent;
 202   BOOLEAN                         Pme;
 203   BOOLEAN                         LegacyFrontPanelAudio;
 204   BOOLEAN                         HighDefinitionFrontPanelAudio;
 205 } EFI_AZALIA_S3;
 206
 207 //
 208 //following structs are from R8. Remove them once R8->R9 transition is done
 209 //
 210 typedef struct {
 211   CHAR16      *OptionString;  // Passed in string to generate a token for in a truly dynamic form creation
 212   STRING_REF  StringToken;    // This is used when creating a single op-code without generating a StringToken (have one already)
 213   UINT16      Value;
 214   UINT8       Flags;
 215   UINT16      Key;
 216 } IFR_OPTION;
 217
 218
 219
 220 typedef struct {
 221   UINT8   Number;
 222   UINT32  HorizontalResolution;
 223   UINT32  VerticalResolution;
 224 } PANEL_RESOLUTION;
 225
 226 #pragma pack()
 227
 228 //
 229 // Prototypes
 230 //
 231 EFI_STATUS
 232 EFIAPI
 233 EfiMain (
 234   IN EFI_HANDLE         ImageHandle,
 235   IN EFI_SYSTEM_TABLE   *SystemTable
 236   );
 237
 238 EFI_STATUS
 239 ProcessEventLog (
 240   );
 241
 242 EFI_STATUS
 243 FindDataRecords (
 244   );
 245
 246 EFI_STATUS
 247 ProcessPasswords(
 248   );
 249
 250 VOID
 251 MemorySetup(
 252   );
 253
 254
 255 UINTN
 256 EfiValueToString (
 257   IN  OUT CHAR16  *Buffer,
 258   IN  INT64       Value,
 259   IN  UINTN       Flags,
 260   IN  UINTN       Width
 261   );
 262
 263 VOID
 264 EFIAPI
 265 ReadyToBootFunction (
 266   EFI_EVENT  Event,
 267   VOID       *Context
 268   );
 269
 270 VOID
 271 InstallHiiDataAndGetSettings(
 272   IN EFI_HII_STRING_PACK            *StringPack,
 273       //
 274   ... // 0 or more of => IN EFI_HII_IFR_PACK *IfrPack,
 275       // Terminate list with NULL
 276       //
 277   );
 278
 279 EFI_STATUS
 280 ReadOrInitSetupVariable(
 281   IN UINTN         RequiredVariableSize,
 282   IN UINTN         RequiredPasswordSize,
 283   IN VOID          *DefaultData,
 284   IN VOID          *MfgDefaultData,
 285   OUT VOID         *SetupVariableData,
 286   OUT VOID         *SystemPassword
 287   );
 288
 289 VOID
 290 EfiLogicalOrMem(
 291   IN VOID   *Destination,
 292   IN VOID   *Source,
 293   IN UINTN  Length
 294   );
 295
 296 EFI_STATUS
 297 GetStringFromToken (
 298   IN      EFI_GUID                  *ProducerGuid,
 299   IN      STRING_REF                Token,
 300   OUT     CHAR16                    **String
 301   );
 302
 303 UINT32
 304 ConvertBase2ToRaw (
 305   IN  EFI_EXP_BASE2_DATA             *Data);
 306
 307 UINT32
 308 ConvertBase10ToRaw (
 309   IN  EFI_EXP_BASE10_DATA             *Data);
 310
 311 CHAR16 *
 312 GetStringById (
 313   IN  STRING_REF   Id,
 314   EFI_HII_HANDLE   StringPackHandle
 315   );
 316
 317 VOID
 318 EFIAPI
 319 SetupDataFilter (
 320   IN EFI_EVENT    Event,
 321   IN VOID*        Context
 322   );
 323
 324 VOID
 325 EFIAPI
 326 IdeDataFilter (
 327   IN EFI_EVENT    Event,
 328   IN VOID*        Context
 329   );
 330
 331 VOID
 332 EFIAPI
 333 UpdateAhciRaidDiskInfo (
 334   IN EFI_EVENT    Event,
 335   IN VOID*        Context
 336   );
 337
 338 VOID
 339 EFIAPI
 340 EventLogFilter (
 341   IN EFI_EVENT    Event,
 342   IN VOID*        Context
 343   );
 344
 345 VOID
 346 SwapEntries (
 347   IN  CHAR8 *Data
 348   );
 349
 350 VOID
 351 AsciiToUnicode (
 352   IN    CHAR8     *AsciiString,
 353   IN    CHAR16    *UnicodeString
 354   );
 355
 356 UINT16
 357 ConfigModeStateGet();
 358
 359 VOID
 360 SetSkus();
 361
 362 VOID
 363 CPUSetupItems();
 364
 365 EFI_STATUS
 366 SecurityDriverCallback (
 367   IN EFI_FORM_CALLBACK_PROTOCOL       *This,
 368   IN UINT16                           KeyValue,
 369   IN EFI_IFR_DATA_ARRAY               *Data,
 370   OUT EFI_HII_CALLBACK_PACKET         **Packet
 371   );
 372
 373 VOID
 374 SetPasswordState (
 375   );
 376
 377 VOID
 378 EncodePassword (
 379   IN  CHAR16                      *Password
 380   );
 381
 382 VOID
 383 EFIAPI
 384 PciBusEvent (
 385   IN EFI_EVENT    Event,
 386   IN VOID*        Context
 387   );
 388 VOID
 389 AsfInitialize(
 390   );
 391
 392 VOID
 393 InitializeAsf (
 394   );
 395
 396 UINT8
 397 ReadCmosBank1Byte (
 398   IN  EFI_CPU_IO_PROTOCOL             *CpuIo,
 399   IN  UINT8                           Index
 400   );
 401
 402 VOID
 403 WriteCmosBank1Byte (
 404   IN  EFI_CPU_IO_PROTOCOL             *CpuIo,
 405   IN  UINT8                           Index,
 406   IN  UINT8                           Data
 407   );
 408
 409 VOID
 410 InitializeBoardId (
 411   );
 412
 413 EFI_STATUS
 414 InstallBootCallbackRoutine(
 415   );
 416
 417 EFI_STATUS
 418 InstallConfigurationCallbackRoutine(
 419   );
 420
 421 EFI_STATUS
 422 InstallPerformanceCallbackRoutine(
 423   );
 424
 425 EFI_STATUS
 426 InstallSecurityCallbackRoutine (
 427   );
 428
 429 EFI_STATUS
 430 InstallMainCallbackRoutine (
 431   );
 432
 433 EFI_STATUS
 434 MemoryConfigurationUpdate (
 435   UINT16                *Key,
 436   EFI_FORM_LABEL        *Label,
 437   UINT16                *OpcodeCount,
 438   UINT8                 **OpcodeData,
 439   EFI_FORM_ROUTINE      *Routine
 440   );
 441
 442 EFI_STATUS
 443 MemoryConfigurationCallbackRoutine (
 444   SYSTEM_CONFIGURATION  *SetupBuffer
 445   );
 446
 447 EFI_STATUS
 448 MemoryConfigurationCalculateSpeed(
 449   SYSTEM_CONFIGURATION  *SetupBuffer
 450   );
 451
 452 VOID
 453 UpdateMemoryString(
 454   IN  STRING_REF                  TokenToUpdate,
 455   IN  CHAR16                      *NewString
 456   );
 457
 458 VOID
 459 InitFeaturePolicy (
 460   IN EFI_PLATFORM_INFO_HOB      *PlatformInfo
 461   );
 462
 463 VOID
 464 InitializeSetupVarHide (
 465   );
 466
 467 VOID
 468 PreparePCIePCISlotInformation(
 469   VOID
 470   );
 471
 472
 473 EFI_STATUS
 474 BootConfigurationUpdate (
 475   IN  OUT SYSTEM_CONFIGURATION  *SystemConfiguration
 476   );
 477
 478 EFI_STATUS
 479 InitializeBootConfiguration(
 480   VOID
 481   );
 482
 483 UINT16
 484 GetStringSize(
 485   IN      CHAR16 *ThisString
 486   );
 487
 488 UINT16
 489 GetDriveCount (
 490   IN      STRING_REF *BootMap
 491   );
 492
 493 CHAR16 *
 494 GetBootString (
 495   IN      STRING_REF    Id,
 496       OUT UINTN        *Length
 497   );
 498
 499 EFI_STATUS
 500 BootCfgCreateTwoOptionOneOf(
 501   IN      UINT16                QuestionId,
 502   IN      EFI_FORM_LABEL        Label,
 503   IN      STRING_REF            OptionPrompt,
 504   IN      STRING_REF            OptionHelp,
 505   IN      STRING_REF            OptionOneString,
 506   IN      STRING_REF            OptionTwoString,
 507   IN      UINT8                 OptionOneFlags,
 508   IN      UINT8                 OptionTwoFlags,
 509   IN      UINT16                KeyValueOne,
 510   IN      UINT16                KeyValueTwo
 511   );
 512
 513 EFI_STATUS
 514 ReplaceOpcodeWithText(
 515   IN      STRING_REF            OptionPrompt,
 516   IN      STRING_REF            OptionHelp,
 517   IN      STRING_REF            OptionOneString,
 518   IN      EFI_FORM_LABEL        Label
 519   );
 520
 521 EFI_STATUS
 522 CreateDriveBootOrderOpcode(
 523   IN      VOID                 *Data,
 524   IN      STRING_REF           *BootMap,
 525   IN      EFI_FORM_LABEL        Label,
 526   IN      UINT16                QuestionId,
 527   IN      STRING_REF            OptionOneString,
 528   IN      STRING_REF            OptionTwoString
 529   );
 530
 531 VOID
 532 SetHyperBootCfgFlags(
 533   IN  OUT SYSTEM_CONFIGURATION *SystemConfiguration
 534   );
 535
 536 VOID
 537 GetHyperBootCfgFlags(
 538   IN  OUT SYSTEM_CONFIGURATION *SystemConfiguration
 539   );
 540
 541 VOID
 542 PrepareBootCfgForHyperBoot(
 543   IN  OUT SYSTEM_CONFIGURATION *SystemConfiguration
 544   );
 545
 546 BOOLEAN
 547 BootCfgChanged(
 548   IN      SYSTEM_CONFIGURATION *SystemConfiguration
 549   );
 550
 551 EFI_STATUS
 552 InsertOpcodeAtIndex(
 553   IN      SYSTEM_CONFIGURATION *SystemConfiguration,
 554   IN  OUT IFR_OPTION           *OptionList,
 555   IN      IFR_OPTION            IfrOption,
 556   IN      UINT16                OptionCount
 557   );
 558
 559 VOID
 560 ConfigureBootOrderStrings(
 561   IN      SYSTEM_CONFIGURATION *SystemConfiguration
 562   );
 563
 564 VOID
 565 InitializeAllBootStrings(
 566   VOID
 567   );
 568
 569 VOID
 570 SaveUsbCfgSettings(
 571   IN  OUT SYSTEM_CONFIGURATION *SystemConfiguration
 572   );
 573
 574 VOID
 575 RestoreUsbCfgSettings(
 576   IN  OUT SYSTEM_CONFIGURATION *SystemConfiguration
 577   );
 578
 579 EFI_STATUS
 580 UpdateBootDevicePriority(
 581   IN  OUT SYSTEM_CONFIGURATION *SystemConfiguration
 582   );
 583
 584 EFI_STATUS
 585 DisableHyperBoot(
 586   IN  OUT SYSTEM_CONFIGURATION *SystemConfiguration
 587   );
 588
 589 BOOLEAN
 590 CheckForUserPassword(
 591   VOID
 592   );
 593
 594 EFI_STATUS
 595 EFIAPI
 596 HyperBootPasswordCallback(
 597   IN  OUT VOID*  Data
 598   );
 599
 600 EFI_STATUS
 601 EFIAPI
 602 HyperBootF9Callback (
 603   IN VOID*  Data
 604   );
 605
 606 EFI_STATUS
 607 InstallHiiEvents(
 608   VOID
 609   );
 610
 611 EFI_STATUS
 612 EFIAPI
 613 ProgramToneFrequency (
 614   IN  EFI_SPEAKER_IF_PROTOCOL           *This,
 615   IN  UINT16                            Frequency
 616   );
 617
 618 EFI_STATUS
 619 EFIAPI
 620 GenerateBeepTone (
 621   IN  EFI_SPEAKER_IF_PROTOCOL           *This,
 622   IN  UINTN                             NumberOfBeeps,
 623   IN  UINTN                             BeepDuration,
 624   IN  UINTN                             TimeInterval
 625   );
 626
 627 EFI_STATUS
 628 InitializeObservableProtocol();
 629
 630 EFI_STATUS
 631 PciBusDriverHook();
 632
 633 VOID
 634 EFIAPI
 635 AdjustDefaultRtcTimeCallback (
 636   IN EFI_EVENT        Event,
 637   IN VOID             *Context
 638   );
 639
 640 typedef struct _GOP_DISPLAY_BRIGHTNESS_PROTOCOL GOP_DISPLAY_BRIGHTNESS_PROTOCOL;
 641
 642 typedef
 643 EFI_STATUS
 644 (EFIAPI *GET_MAXIMUM_BRIGHTNESS_LEVEL) (
 645   IN  GOP_DISPLAY_BRIGHTNESS_PROTOCOL *This,
 646   OUT UINT32 *MaxBrightnessLevel
 647   );
 648
 649
 650 typedef
 651 EFI_STATUS
 652 (EFIAPI *GET_CURRENT_BRIGHTNESS_LEVEL) (
 653   IN  GOP_DISPLAY_BRIGHTNESS_PROTOCOL *This,
 654   OUT UINT32 *MaxBrightnessLevel
 655   );
 656
 657 typedef
 658 EFI_STATUS
 659 (EFIAPI *SET_BRIGHTNESS_LEVEL) (
 660   IN  GOP_DISPLAY_BRIGHTNESS_PROTOCOL *This,
 661   IN  UINT32  BrightnessLevel
 662   );
 663
 664 struct _GOP_DISPLAY_BRIGHTNESS_PROTOCOL {
 665   UINT32  Revision;
 666   GET_MAXIMUM_BRIGHTNESS_LEVEL GetMaxBrightnessLevel;
 667   GET_CURRENT_BRIGHTNESS_LEVEL GetCurrentBrightnessLevel;
 668   SET_BRIGHTNESS_LEVEL SetBrightnessLevel;
 669 };
 670
 671 //
 672 // Global externs
 673 //
 674 extern UINT8 MaintenanceBin[];
 675 extern UINT8 MainBin[];
 676 extern UINT8 ConfigurationBin[];
 677 extern UINT8 MemoryConfigurationBin[];
 678 extern UINT8 PerformanceBin[];
 679 extern UINT8 SecurityBin[];
 680 extern UINT8 BootBin[];
 681 extern UINT8 PowerBin[];
 682 extern UINT8 SystemSetupBin[];
 683
 684 extern VOID                 *mDxePlatformStringPack;
 685 extern EFI_HII_PROTOCOL     *mHii;
 686 extern SYSTEM_CONFIGURATION mSystemConfiguration;
 687 extern FRAMEWORK_EFI_HII_HANDLE       mMaintenanceHiiHandle;
 688 extern FRAMEWORK_EFI_HII_HANDLE       mMainHiiHandle;
 689 extern FRAMEWORK_EFI_HII_HANDLE       mConfigurationHiiHandle;
 690 extern FRAMEWORK_EFI_HII_HANDLE       mPerformanceHiiHandle;
 691 extern FRAMEWORK_EFI_HII_HANDLE       mPowerHiiHandle;
 692 extern FRAMEWORK_EFI_HII_HANDLE       mBootHiiHandle;
 693 extern FRAMEWORK_EFI_HII_HANDLE       mSecurityHiiHandle;
 694
 695 extern SYSTEM_PASSWORDS     mSystemPassword;
 696 extern EFI_PASSWORD_DATA    mAdminPassword;
 697 extern EFI_PASSWORD_DATA    mUserPassword;
 698
 699 extern EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *mPciRootBridgeIo;
 700
 701 //
 702 //extern EFI_REG_TABLE mSubsystemIdRegs[];
 703 //
 704 extern UINT32 mSubsystemVidDid;
 705 extern UINT32 mSubsystemAudioVidDid;
 706
 707 extern UINT8 mBoardIdIndex;
 708 extern BOOLEAN mFoundAANum;
 709 extern EFI_BOARD_FEATURES mBoardFeatures;
 710 extern UINT16 mSubsystemDeviceId;
 711 extern UINT16 mSubsystemAudioDeviceId;
 712 extern BOARD_ID_DECODE mBoardIdDecodeTable[];
 713 extern UINTN mBoardIdDecodeTableSize;
 714
 715 extern UINT8 mSmbusRsvdAddresses[];
 716 extern UINT8 mNumberSmbusAddress;
 717 extern BOOLEAN mMfgMode;
 718 extern UINT32 mPlatformBootMode;
 719 extern CHAR8 BoardAaNumber[];
 720
 721 extern EFI_GUID gEfiGlobalNvsAreaProtocolGuid;
 722 #endif