1 files changed, 77 insertions, 0 deletions
diff --git a/Vlv2TbltDevicePkg/PlatformDxe/IdccInfo.c b/Vlv2TbltDevicePkg/PlatformDxe/IdccInfo.c
new file mode 100644
index 0000000000..69932223bd
--- /dev/null
+++ b/Vlv2TbltDevicePkg/PlatformDxe/IdccInfo.c
@@ -0,0 +1,77 @@
+/** @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:
+
+
+  IdccInfo.c
+
+Abstract:
+
+  Platform information used by IDCC.
+
+Revision History
+
+--*/
+
+#include "PlatformDxe.h"
+
+#include <Guid/IdccData.h>
+
+extern EFI_GUID mPlatformDriverGuid;
+
+
+EFI_STATUS
+WriteIdccInfo (
+  )
+{
+  EFI_STATUS                Status;
+  EFI_DATA_HUB_PROTOCOL     *DataHub;
+  UINT8                     Ratio;
+  EFI_IDCC_PROCESSOR_RATIO  ProcRatio;
+
+  //
+  // Locate the data hub protocol
+  //
+  Status = gBS->LocateProtocol (
+                  &gEfiDataHubProtocolGuid,
+                  NULL,
+                  (VOID **) &DataHub
+                  );
+
+  //
+  // Find processor actual ratio
+  //
+  Ratio = 15; //Temporary - some dummy value.
+
+  //
+  // Fill in IDCC Type 5 structure
+  //
+  ProcRatio.IdccHeader.Type = EFI_IDCC_PROC_RATIO_TYPE;
+  ProcRatio.IdccHeader.RecordLength = sizeof(EFI_IDCC_PROCESSOR_RATIO);
+  ProcRatio.ProcessorRatio = Ratio;
+
+  //
+  // Write data to the data hub
+  //
+  Status = DataHub->LogData (
+                      DataHub,
+                      &gIdccDataHubGuid,
+                      &mPlatformDriverGuid,
+                      EFI_DATA_RECORD_CLASS_DATA,
+                      &ProcRatio,
+                      sizeof(EFI_IDCC_PROCESSOR_RATIO)
+                      );
+
+  return Status;
+}