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+/* $NoKeywords:$ */
+/**
+ * @file
+ *
+ * AMD AGESA CPU Application Power Management (APM) feature support code.
+ *
+ * Contains code that declares the AGESA CPU APM related APIs
+ *
+ * @xrefitem bom "File Content Label" "Release Content"
+ * @e project: AGESA
+ * @e sub-project: CPU/Feature
+ * @e \$Revision: 56279 $ @e \$Date: 2011-07-11 13:11:28 -0600 (Mon, 11 Jul 2011) $
+ *
+ */
+/*
+ ******************************************************************************
+ *
+ * Copyright (C) 2012 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 "GeneralServices.h"
+#include "cpuFamilyTranslation.h"
+#include "cpuApicUtilities.h"
+#include "cpuFeatures.h"
+#include "cpuApm.h"
+#include "Filecode.h"
+CODE_GROUP (G1_PEICC)
+RDATA_GROUP (G2_PEI)
+
+#define FILECODE PROC_CPU_FEATURE_CPUAPM_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
+EnableApmOnSocket (
+ IN VOID *PlatformConfig,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ );
+
+/*----------------------------------------------------------------------------------------
+ * E X P O R T E D F U N C T I O N S
+ *----------------------------------------------------------------------------------------
+ */
+extern CPU_FAMILY_SUPPORT_TABLE ApmFamilyServiceTable;
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Should Application Power Management (APM) be enabled
+ *
+ * @param[in] PlatformConfig Contains the runtime modifiable feature input data.
+ * @param[in] StdHeader Config Handle for library, services.
+ *
+ * @retval TRUE APM is supported.
+ * @retval FALSE APM cannot be enabled.
+ *
+ */
+BOOLEAN
+STATIC
+IsApmFeatureEnabled (
+ IN PLATFORM_CONFIGURATION *PlatformConfig,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ )
+{
+ UINT32 Socket;
+ BOOLEAN IsEnabled;
+ APM_FAMILY_SERVICES *FamilyServices;
+
+ IsEnabled = FALSE;
+
+ for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
+ if (IsProcessorPresent (Socket, StdHeader)) {
+ GetFeatureServicesOfSocket (&ApmFamilyServiceTable, Socket, (CONST VOID **)&FamilyServices, StdHeader);
+ if (FamilyServices != NULL) {
+ if (FamilyServices->IsApmSupported (FamilyServices, PlatformConfig, Socket, StdHeader)) {
+ IsEnabled = TRUE;
+ break;
+ }
+ }
+ }
+ }
+ return IsEnabled;
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Enable Application Power Management (APM)
+ *
+ * @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
+InitializeApmFeature (
+ IN UINT64 EntryPoint,
+ IN PLATFORM_CONFIGURATION *PlatformConfig,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ )
+{
+ UINT32 BscSocket;
+ UINT32 Ignored;
+ UINT32 Socket;
+ UINT32 NumberOfSockets;
+ AP_TASK TaskPtr;
+ AGESA_STATUS IgnoredSts;
+
+ IDS_HDT_CONSOLE (CPU_TRACE, " APM mode is enabled\n");
+
+ IdentifyCore (StdHeader, &BscSocket, &Ignored, &Ignored, &IgnoredSts);
+ NumberOfSockets = GetPlatformNumberOfSockets ();
+
+ TaskPtr.FuncAddress.PfApTaskI = EnableApmOnSocket;
+ TaskPtr.DataTransfer.DataSizeInDwords = 2;
+ TaskPtr.DataTransfer.DataPtr = PlatformConfig;
+ TaskPtr.DataTransfer.DataTransferFlags = 0;
+ TaskPtr.ExeFlags = WAIT_FOR_CORE;
+
+ for (Socket = 0; Socket < NumberOfSockets; Socket++) {
+ if (IsProcessorPresent (Socket, StdHeader)) {
+ if (Socket != BscSocket) {
+ ApUtilRunCodeOnSocketCore ((UINT8) Socket, 0, &TaskPtr, StdHeader);
+ }
+ }
+ }
+
+ EnableApmOnSocket (PlatformConfig, StdHeader);
+ return AGESA_SUCCESS;
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * AP task to enable APM
+ *
+ * @param[in] PlatformConfig Contains the runtime modifiable feature input data.
+ * @param[in] StdHeader Config Handle for library, services.
+ *
+ */
+VOID
+STATIC
+EnableApmOnSocket (
+ IN VOID *PlatformConfig,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ )
+{
+ APM_FAMILY_SERVICES *FamilyServices;
+
+ GetFeatureServicesOfCurrentCore (&ApmFamilyServiceTable, (CONST VOID **)&FamilyServices, StdHeader);
+ FamilyServices->EnableApmOnSocket (FamilyServices,
+ PlatformConfig,
+ StdHeader);
+}
+
+CONST CPU_FEATURE_DESCRIPTOR ROMDATA CpuFeatureApm =
+{
+ CpuApm,
+ (CPU_FEAT_BEFORE_RELINQUISH_AP | CPU_FEAT_AFTER_RESUME_MTRR_SYNC),
+ IsApmFeatureEnabled,
+ InitializeApmFeature
+};