blob: fdad8cc2933b9a69626197dc490760bdcb1d45db [file] [log] [blame]
/* $NoKeywords:$ */
/**
* @file
*
* AMD AGESA CPU Core performance boost feature support code.
*
* Contains code that declares the AGESA CPU CPB related APIs
*
* @xrefitem bom "File Content Label" "Release Content"
* @e project: AGESA
* @e sub-project: CPU/Feature
* @e \$Revision: 47856 $ @e \$Date: 2011-03-01 13:52:52 +0800 (Tue, 01 Mar 2011) $
*
*/
/*
******************************************************************************
*
* 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 "cpuFamilyTranslation.h"
#include "cpuFeatures.h"
#include "cpuCpb.h"
#include "Filecode.h"
CODE_GROUP (G1_PEICC)
RDATA_GROUP (G1_PEICC)
#define FILECODE PROC_CPU_FEATURE_CPUCPB_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
*----------------------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------------------
* E X P O R T E D F U N C T I O N S
*----------------------------------------------------------------------------------------
*/
extern CPU_FAMILY_SUPPORT_TABLE CpbFamilyServiceTable;
/*---------------------------------------------------------------------------------------*/
/**
* Should CPB be enabled
*
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in] StdHeader Config Handle for library, services.
*
* @retval TRUE CPB is supported.
* @retval FALSE CPB cannot be enabled.
*
*/
BOOLEAN
STATIC
IsCpbFeatureEnabled (
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 Socket;
BOOLEAN IsEnabled;
CPB_FAMILY_SERVICES *FamilyServices;
IsEnabled = FALSE;
ASSERT (PlatformConfig->CpbMode < MaxCpbMode);
if (PlatformConfig->CpbMode == CpbModeAuto) {
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
GetFeatureServicesOfSocket (&CpbFamilyServiceTable, Socket, (const VOID **)&FamilyServices, StdHeader);
if (FamilyServices != NULL) {
if (FamilyServices->IsCpbSupported (FamilyServices, PlatformConfig, Socket, StdHeader)) {
IsEnabled = TRUE;
break;
}
}
}
}
}
return IsEnabled;
}
/*---------------------------------------------------------------------------------------*/
/**
* Enable core performance boost
*
* @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
InitializeCpbFeature (
IN UINT64 EntryPoint,
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 Socket;
AGESA_STATUS AgesaStatus;
AGESA_STATUS CalledStatus;
CPB_FAMILY_SERVICES *FamilyServices;
AgesaStatus = AGESA_SUCCESS;
CalledStatus = AGESA_SUCCESS;
IDS_HDT_CONSOLE (CPU_TRACE, " Boost is enabled\n");
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
GetFeatureServicesOfSocket (&CpbFamilyServiceTable, Socket, (const VOID **)&FamilyServices, StdHeader);
if (FamilyServices != NULL) {
if (FamilyServices->IsCpbSupported (FamilyServices, PlatformConfig, Socket, StdHeader)) {
CalledStatus = FamilyServices->EnableCpbOnSocket (FamilyServices, PlatformConfig, EntryPoint, Socket, StdHeader);
if (CalledStatus > AgesaStatus) {
AgesaStatus = CalledStatus;
}
}
}
}
}
return AgesaStatus;
}
CONST CPU_FEATURE_DESCRIPTOR ROMDATA CpuFeatureCpb =
{
CoreBoost,
(CPU_FEAT_BEFORE_PM_INIT | CPU_FEAT_INIT_LATE_END | CPU_FEAT_S3_LATE_RESTORE_END),
IsCpbFeatureEnabled,
InitializeCpbFeature
};