diff options
Diffstat (limited to 'Platform/BroxtonPlatformPkg/Common/Acpi/AcpiPlatformDxe/AcpiPlatform.c')
-rw-r--r-- | Platform/BroxtonPlatformPkg/Common/Acpi/AcpiPlatformDxe/AcpiPlatform.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/Platform/BroxtonPlatformPkg/Common/Acpi/AcpiPlatformDxe/AcpiPlatform.c b/Platform/BroxtonPlatformPkg/Common/Acpi/AcpiPlatformDxe/AcpiPlatform.c index b5cd9f7fea..30071325aa 100644 --- a/Platform/BroxtonPlatformPkg/Common/Acpi/AcpiPlatformDxe/AcpiPlatform.c +++ b/Platform/BroxtonPlatformPkg/Common/Acpi/AcpiPlatformDxe/AcpiPlatform.c @@ -16,6 +16,7 @@ #include <Guid/AcpiTableStorage.h>
#include <Guid/EfiVpdData.h>
#include <Guid/GlobalVariable.h>
+#include <Protocol/CpuGlobalNvsArea.h>
#include <Guid/PlatformInfo.h>
#include <Guid/PlatformCpuInfo.h>
#include <Guid/SetupVariable.h>
@@ -42,6 +43,7 @@ #include <Library/DxeVtdLib.h>
#include <Library/SideBandLib.h>
#include <Library/SteppingLib.h>
+#include <Private/CpuInitDataHob.h>
#include "PlatformBaseAddresses.h"
#if (ENBDT_PF_ENABLE == 0)
@@ -66,6 +68,8 @@ CHAR16 gACPIOSFRMfgStringVariableName[] = ACPI_OSFR_MFG_STRING_VARIABLE_NA EFI_GLOBAL_NVS_AREA_PROTOCOL mGlobalNvsArea;
EFI_CPU_IO2_PROTOCOL *mCpuIo;
+CPU_INIT_DATA_HOB *mCpuInitDataHob = NULL;
+CPU_GLOBAL_NVS_AREA_PROTOCOL CpuGlobalNvsAreaProtocol;
BOOLEAN mFirstNotify;
EFI_PLATFORM_INFO_HOB *mPlatformInfo;
@@ -1317,6 +1321,7 @@ AcpiPlatformEntryPoint ( CHAR16 LocalGuidString[GUID_CHARS_NUMBER];
UINTN Data32;
UINT32 VariableAttributes;
+ VOID *Hob;
mFirstNotify = FALSE;
TableVersion = EFI_ACPI_TABLE_VERSION_2_0;
@@ -1999,6 +2004,35 @@ AcpiPlatformEntryPoint ( NULL
);
+
+
+ //
+ // Get CPU Init Data Hob
+ //
+ Hob = GetFirstGuidHob (&gCpuInitDataHobGuid);
+ if (Hob == NULL) {
+ DEBUG ((DEBUG_ERROR, "CPU Data HOB not available\n"));
+ ASSERT_EFI_ERROR (EFI_NOT_FOUND);
+ }
+ mCpuInitDataHob = (CPU_INIT_DATA_HOB *) ((UINTN) Hob + sizeof (EFI_HOB_GUID_TYPE));
+
+ //
+ // Get CPU Global NVS protocol pointer
+ //
+ CpuGlobalNvsAreaProtocol.Area = (CPU_GLOBAL_NVS_AREA *) (UINTN) mCpuInitDataHob->CpuGnvsPointer;
+ CpuGlobalNvsAreaProtocol.Area->DtsAcpiEnable = 0;
+
+ //
+ // Install Cpu Power management GlobalNVS Area protocol
+ //
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &Handle,
+ &gCpuGlobalNvsAreaProtocolGuid,
+ &CpuGlobalNvsAreaProtocol,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+
//
// Read tables from the storage file.
//
|