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diff --git a/src/vendorcode/amd/agesa/f12/Proc/CPU/Feature/cpuIoCstate.c b/src/vendorcode/amd/agesa/f12/Proc/CPU/Feature/cpuIoCstate.c
deleted file mode 100644
index c9a42ce57f..0000000000
--- a/src/vendorcode/amd/agesa/f12/Proc/CPU/Feature/cpuIoCstate.c
+++ /dev/null
@@ -1,208 +0,0 @@
-/* $NoKeywords:$ */
-/**
- * @file
- *
- * AMD AGESA CPU IO Cstate function declarations.
- *
- * Contains code that declares the AGESA CPU IO Cstate related APIs
- *
- * @xrefitem bom "File Content Label" "Release Content"
- * @e project: AGESA
- * @e sub-project: CPU/Feature
- * @e \$Revision: 44324 $ @e \$Date: 2010-12-22 17:16:51 +0800 (Wed, 22 Dec 2010) $
- */
-/*
- ******************************************************************************
- *
- * Copyright (c) 2011, Advanced Micro Devices, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * * Neither the name of Advanced Micro Devices, Inc. nor the names of
- * its contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- ******************************************************************************
- */
-
-/*----------------------------------------------------------------------------------------
- * M O D U L E S U S E D
- *----------------------------------------------------------------------------------------
- */
-
-#include "AGESA.h"
-#include "amdlib.h"
-#include "cpuRegisters.h"
-#include "cpuFeatures.h"
-#include "cpuIoCstate.h"
-#include "cpuServices.h"
-#include "cpuFamilyTranslation.h"
-#include "cpuApicUtilities.h"
-#include "OptionMultiSocket.h"
-#include "Filecode.h"
-CODE_GROUP (G1_PEICC)
-RDATA_GROUP (G1_PEICC)
-
-#define FILECODE PROC_CPU_FEATURE_CPUIOCSTATE_FILECODE
-
-/*----------------------------------------------------------------------------------------
- * D E F I N I T I O N S A N D M A C R O S
- *----------------------------------------------------------------------------------------
- */
-
-/*----------------------------------------------------------------------------------------
- * T Y P E D E F S A N D S T R U C T U R E S
- *----------------------------------------------------------------------------------------
- */
-
-/*----------------------------------------------------------------------------------------
- * P R O T O T Y P E S O F L O C A L F U N C T I O N S
- *----------------------------------------------------------------------------------------
- */
-
-VOID
-STATIC
-EnableIoCstateOnSocket (
- IN VOID *EntryPoint,
- IN AMD_CONFIG_PARAMS *StdHeader,
- IN AMD_CPU_EARLY_PARAMS *CpuEarlyParams
- );
-/*----------------------------------------------------------------------------------------
- * E X P O R T E D F U N C T I O N S
- *----------------------------------------------------------------------------------------
- */
-extern CPU_FAMILY_SUPPORT_TABLE IoCstateFamilyServiceTable;
-extern OPTION_MULTISOCKET_CONFIGURATION OptionMultiSocketConfiguration;
-
-/*---------------------------------------------------------------------------------------*/
-/**
- * Should IO Cstate be enabled
- * If all processors support IO Cstate, return TRUE. Otherwise, return FALSE
- *
- * @param[in] PlatformConfig Contains the runtime modifiable feature input data.
- * @param[in] StdHeader Config Handle for library, services.
- *
- * @retval TRUE IO Cstate is supported.
- * @retval FALSE IO Cstate cannot be enabled.
- *
- */
-BOOLEAN
-STATIC
-IsIoCstateFeatureSupported (
- IN PLATFORM_CONFIGURATION *PlatformConfig,
- IN AMD_CONFIG_PARAMS *StdHeader
- )
-{
- UINT32 Socket;
- BOOLEAN IsSupported;
- IO_CSTATE_FAMILY_SERVICES *IoCstateServices;
-
- IsSupported = FALSE;
- if ((PlatformConfig->CStateIoBaseAddress != 0) && (PlatformConfig->CStateIoBaseAddress <= 0xFFF8)) {
- for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
- if (IsProcessorPresent (Socket, StdHeader)) {
- GetFeatureServicesOfSocket (&IoCstateFamilyServiceTable, Socket, (const VOID **)&IoCstateServices, StdHeader);
- if (IoCstateServices != NULL) {
- if (IoCstateServices->IsIoCstateSupported (IoCstateServices, Socket, StdHeader)) {
- IsSupported = TRUE;
- } else {
- // Stop checking remaining socket(s) once we find one that does not support IO Cstates
- IsSupported = FALSE;
- break;
- }
- } else {
- // Exit the for loop if we found a socket that does not have the IO Cstates feature installed
- IsSupported = FALSE;
- break;
- }
- }
- }
- }
- return IsSupported;
-}
-
-/*---------------------------------------------------------------------------------------*/
-/**
- * Enable IO Cstate feature
- *
- * @param[in] EntryPoint Timepoint designator.
- * @param[in] PlatformConfig Contains the runtime modifiable feature input data.
- * @param[in] StdHeader Config Handle for library, services.
- *
- * @retval AGESA_SUCCESS Always succeeds.
- *
- */
-AGESA_STATUS
-STATIC
-InitializeIoCstateFeature (
- IN UINT64 EntryPoint,
- IN PLATFORM_CONFIGURATION *PlatformConfig,
- IN AMD_CONFIG_PARAMS *StdHeader
- )
-{
- AP_TASK TaskPtr;
- AMD_CPU_EARLY_PARAMS CpuEarlyParams;
-
- IDS_HDT_CONSOLE (CPU_TRACE, " IO C-state is enabled\n");
-
- CpuEarlyParams.PlatformConfig = *PlatformConfig;
-
- TaskPtr.FuncAddress.PfApTaskIC = EnableIoCstateOnSocket;
- TaskPtr.DataTransfer.DataSizeInDwords = 2;
- TaskPtr.DataTransfer.DataPtr = &EntryPoint;
- TaskPtr.DataTransfer.DataTransferFlags = 0;
- TaskPtr.ExeFlags = PASS_EARLY_PARAMS;
- OptionMultiSocketConfiguration.BscRunCodeOnAllSystemCore0s (&TaskPtr, StdHeader, &CpuEarlyParams);
-
- return AGESA_SUCCESS;
-}
-
-/*---------------------------------------------------------------------------------------*/
-/**
- * 'Local' core 0 task to enable IO Cstate on it's socket.
- *
- * @param[in] EntryPoint Timepoint designator.
- * @param[in] StdHeader Config Handle for library, services.
- * @param[in] CpuEarlyParams Service parameters.
- *
- */
-VOID
-STATIC
-EnableIoCstateOnSocket (
- IN VOID *EntryPoint,
- IN AMD_CONFIG_PARAMS *StdHeader,
- IN AMD_CPU_EARLY_PARAMS *CpuEarlyParams
- )
-{
- IO_CSTATE_FAMILY_SERVICES *FamilyServices;
-
- GetFeatureServicesOfCurrentCore (&IoCstateFamilyServiceTable, (const VOID **)&FamilyServices, StdHeader);
- FamilyServices->InitializeIoCstate (FamilyServices,
- *((UINT64 *) EntryPoint),
- &CpuEarlyParams->PlatformConfig,
- StdHeader);
-}
-
-CONST CPU_FEATURE_DESCRIPTOR ROMDATA CpuFeatureIoCstate =
-{
- IoCstate,
- (CPU_FEAT_AFTER_PM_INIT),
- IsIoCstateFeatureSupported,
- InitializeIoCstateFeature
-};
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