Upload BSD-licensed Vlv2TbltDevicePkg and Vlv2DeviceRefCodePkg to

https://svn.code.sf.net/p/edk2/code/trunk/edk2/, which are for MinnowBoard MAX open source project. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: David Wei <david.wei@intel.com> Reviewed-by: Mike Wu <mike.wu@intel.com> Reviewed-by: Hot Tian <hot.tian@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16599 6f19259b-4bc3-4df7-8a09-765794883524
2015-01-12 09:37:20 +00:00
parent 6f785cfcc3
commit 3cbfba02fe
518 changed files with 118538 additions and 0 deletions
--- a/Vlv2TbltDevicePkg/PlatformInfoDxe/PlatformInfoDxe.c
+++ b/Vlv2TbltDevicePkg/PlatformInfoDxe/PlatformInfoDxe.c
@@ -0,0 +1,161 @@
+/** @file
+
+  Copyright (c) 2004  - 2014, Intel Corporation. All rights reserved.<BR>
+                                                                                   
+
+  This program and the accompanying materials are licensed and made available under
+
+  the terms and conditions of the BSD License that accompanies this distribution.  
+
+  The full text of the license may be found at                                     
+
+  http://opensource.org/licenses/bsd-license.php.                                  
+
+                                                                                   
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,            
+
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.    
+
+                                                                                   
+
+
+Module Name:
+
+  PlatformInfoDxe.c
+
+Abstract:
+  Platform Info driver to public platform related HOB data
+
+--*/
+
+#include "PlatformInfoDxe.h"
+
+/**
+  Entry point for the driver.
+
+  This routine get the platform HOB data from PEI and publish
+  as Platform Info variable that can be accessed during boot service and
+  runtime.
+
+  @param ImageHandle    Image Handle.
+  @param SystemTable    EFI System Table.
+
+  @retval Status        Function execution status.
+
+**/
+EFI_STATUS
+EFIAPI
+PlatformInfoInit (
+  IN EFI_HANDLE                         ImageHandle,
+  IN EFI_SYSTEM_TABLE                   *SystemTable
+  )
+{
+  EFI_STATUS                  Status;
+  EFI_PLATFORM_INFO_HOB       *PlatformInfoHobPtr;
+  EFI_PEI_HOB_POINTERS        GuidHob;
+  EFI_PLATFORM_INFO_HOB       TmpHob;
+  UINTN                       VarSize;
+  EFI_OS_SELECTION_HOB        *OsSlectionHobPtr;
+  UINT8                       Selection;
+  SYSTEM_CONFIGURATION        SystemConfiguration;
+  UINT8                       *LpssDataHobPtr;
+  UINT8                       *LpssDataVarPtr;
+  UINTN                       i;
+
+  VarSize = sizeof(SYSTEM_CONFIGURATION);
+  Status = gRT->GetVariable(
+                  NORMAL_SETUP_NAME,
+                  &gEfiNormalSetupGuid,
+                  NULL,
+                  &VarSize,
+                  &SystemConfiguration
+                  );
+
+  VarSize = sizeof(Selection);
+  Status = gRT->GetVariable(
+                  L"OsSelection",
+                  &gOsSelectionVariableGuid,
+                  NULL,
+                  &VarSize,
+                  &Selection
+                  );
+
+  if (EFI_ERROR(Status)) {
+    Selection = SystemConfiguration.ReservedO;
+    Status = gRT->SetVariable (
+                    L"OsSelection",
+                    &gOsSelectionVariableGuid,
+                    EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+                    sizeof(Selection),
+                    &Selection
+                    );
+  }
+
+  GuidHob.Raw = GetHobList ();
+  if (GuidHob.Raw != NULL) {
+    if ((GuidHob.Raw = GetNextGuidHob (&gOsSelectionVariableGuid, GuidHob.Raw)) != NULL) {
+      OsSlectionHobPtr = GET_GUID_HOB_DATA (GuidHob.Guid);
+
+      if (OsSlectionHobPtr->OsSelectionChanged) {
+        SystemConfiguration.ReservedO = OsSlectionHobPtr->OsSelection;
+
+        //
+        // Load Audio default configuration
+        //
+        SystemConfiguration.Lpe         = OsSlectionHobPtr->Lpe;
+        SystemConfiguration.PchAzalia   = OsSlectionHobPtr->PchAzalia;
+
+        //
+        // Load LPSS and SCC default configurations
+        //
+        LpssDataHobPtr = &OsSlectionHobPtr->LpssData.LpssPciModeEnabled;
+        LpssDataVarPtr = &SystemConfiguration.LpssPciModeEnabled;
+        for (i = 0; i < sizeof(EFI_PLATFORM_LPSS_DATA); i++) {
+          *LpssDataVarPtr = *LpssDataHobPtr;
+          LpssDataVarPtr++;
+          LpssDataHobPtr++;
+        }
+
+        SystemConfiguration.GOPEnable = TRUE;
+
+        Status = gRT->SetVariable (
+                        NORMAL_SETUP_NAME,
+                        &gEfiNormalSetupGuid,
+                        EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+                        sizeof(SYSTEM_CONFIGURATION),
+                        &SystemConfiguration
+                        );
+        ASSERT_EFI_ERROR (Status);
+      }
+    }
+  }
+
+  GuidHob.Raw = GetHobList ();
+  if (GuidHob.Raw == NULL) {
+  	return EFI_NOT_FOUND;
+  }
+
+  if ((GuidHob.Raw = GetNextGuidHob (&gEfiPlatformInfoGuid, GuidHob.Raw)) != NULL) {
+    PlatformInfoHobPtr = GET_GUID_HOB_DATA (GuidHob.Guid);
+    VarSize = sizeof(EFI_PLATFORM_INFO_HOB);
+    Status = gRT->GetVariable(
+                    L"PlatformInfo",
+                    &gEfiVlv2VariableGuid,
+                    NULL,
+                    &VarSize,
+                    &TmpHob
+                    );
+
+    if (EFI_ERROR(Status) || CompareMem (&TmpHob, PlatformInfoHobPtr, VarSize)) {
+
+      //
+      // Write the Platform Info to volatile memory
+      //
+      Status = gRT->SetVariable(
+                      L"PlatformInfo",
+                      &gEfiVlv2VariableGuid,
+                      EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+                      sizeof(EFI_PLATFORM_INFO_HOB),
+                      PlatformInfoHobPtr
+                      );