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/* $NoKeywords:$ */
/**
* @file
*
* AMD AGESA CPU SW C1e feature support code.
*
* Contains code that declares the AGESA CPU C1e 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 "Ids.h"
#include "cpuRegisters.h"
#include "cpuApicUtilities.h"
#include "cpuServices.h"
#include "GeneralServices.h"
#include "cpuFamilyTranslation.h"
#include "Topology.h"
#include "cpuFeatures.h"
#include "cpuSwC1e.h"
#include "cpuHwC1e.h"
#include "Filecode.h"
CODE_GROUP (G1_PEICC)
RDATA_GROUP (G1_PEICC)
#define FILECODE PROC_CPU_FEATURE_CPUSWC1E_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 SwC1eFamilyServiceTable;
/*---------------------------------------------------------------------------------------*/
/**
* Should software C1e be enabled
*
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in] StdHeader Config Handle for library, services.
*
* @retval TRUE SW C1e is supported.
* @retval FALSE SW C1e not supported.
*
*/
BOOLEAN
STATIC
IsSwC1eFeatureEnabled (
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
BOOLEAN IsEnabled;
BOOLEAN IsOtherC1eEnabled;
AP_MAILBOXES ApMailboxes;
SW_C1E_FAMILY_SERVICES *SwFamilyServices;
ASSERT (PlatformConfig->C1eMode < MaxC1eMode);
IsEnabled = FALSE;
// Check whether software C1e is enabled only if other C1e methods is/are not supported
// or if the platform specifically uses C1eModeSoftwareDeprecated.
IsOtherC1eEnabled = (IsFeatureEnabled (HardwareC1e, PlatformConfig, StdHeader) ||
IsFeatureEnabled (MsgBasedC1e, PlatformConfig, StdHeader));
if ((PlatformConfig->C1eMode == C1eModeSoftwareDeprecated) ||
((!IsOtherC1eEnabled) && ((PlatformConfig->C1eMode == C1eModeHardwareSoftwareDeprecated) || (PlatformConfig->C1eMode == C1eModeAuto)))) {
ASSERT ((PlatformConfig->C1ePlatformData1 < 0x10000) && (PlatformConfig->C1ePlatformData1 != 0));
ASSERT (PlatformConfig->C1ePlatformData2 < 0x100);
if ((PlatformConfig->C1ePlatformData1 != 0) && (PlatformConfig->C1ePlatformData1 < 0xFFFE) && (PlatformConfig->C1ePlatformData2 < 0xFF)) {
if (!IsNonCoherentHt1 (StdHeader)) {
if (GetNumberOfProcessors (StdHeader) == 1) {
GetApMailbox (&ApMailboxes.ApMailInfo.Info, StdHeader);
if (ApMailboxes.ApMailInfo.Fields.ModuleType == 0) {
GetFeatureServicesOfCurrentCore (&SwC1eFamilyServiceTable, (const VOID **)&SwFamilyServices, StdHeader);
if (SwFamilyServices != NULL) {
IsEnabled = SwFamilyServices->IsSwC1eSupported (SwFamilyServices, StdHeader);
}
}
}
}
}
}
return IsEnabled;
}
/*---------------------------------------------------------------------------------------*/
/**
* Enable Software C1e
*
* @param[in] EntryPoint Timepoint designator.
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in] StdHeader Config Handle for library, services.
*
* @return The most severe status of any family specific service.
*
*/
AGESA_STATUS
STATIC
InitializeSwC1eFeature (
IN UINT64 EntryPoint,
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
AGESA_STATUS AgesaStatus;
SW_C1E_FAMILY_SERVICES *FamilyServices;
AgesaStatus = AGESA_SUCCESS;
IDS_HDT_CONSOLE (CPU_TRACE, " SW C1e is enabled\n");
if (IsWarmReset (StdHeader)) {
GetFeatureServicesOfCurrentCore (&SwC1eFamilyServiceTable, (const VOID **)&FamilyServices, StdHeader);
AgesaStatus = FamilyServices->InitializeSwC1e (FamilyServices, EntryPoint, PlatformConfig, StdHeader);
}
return AgesaStatus;
}
CONST CPU_FEATURE_DESCRIPTOR ROMDATA CpuFeatureSwC1e =
{
SoftwareC1e,
CPU_FEAT_AFTER_PM_INIT,
IsSwC1eFeatureEnabled,
InitializeSwC1eFeature
};