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/* $NoKeywords:$ */
/**
* @file
*
* Implement general feature dispatcher.
*
* @xrefitem bom "File Content Label" "Release Content"
* @e project: AGESA
* @e sub-project: CPU
* @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $
*
*/
/*
******************************************************************************
*
* Copyright 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved.
*
* AMD is granting you permission to use this software (the Materials)
* pursuant to the terms and conditions of your Software License Agreement
* with AMD. This header does *NOT* give you permission to use the Materials
* or any rights under AMD's intellectual property. Your use of any portion
* of these Materials shall constitute your acceptance of those terms and
* conditions. If you do not agree to the terms and conditions of the Software
* License Agreement, please do not use any portion of these Materials.
*
* CONFIDENTIALITY: The Materials and all other information, identified as
* confidential and provided to you by AMD shall be kept confidential in
* accordance with the terms and conditions of the Software License Agreement.
*
* LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION
* PROVIDED TO YOU BY AMD ARE PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF
* MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE,
* OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR USAGE OF TRADE.
* IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER
* (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS
* INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF AMD'S NEGLIGENCE,
* GROSS NEGLIGENCE, THE USE OF OR INABILITY TO USE THE MATERIALS OR ANY OTHER
* RELATED INFORMATION PROVIDED TO YOU BY AMD, EVEN IF AMD HAS BEEN ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE
* EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES,
* THE ABOVE LIMITATION MAY NOT APPLY TO YOU.
*
* AMD does not assume any responsibility for any errors which may appear in
* the Materials or any other related information provided to you by AMD, or
* result from use of the Materials or any related information.
*
* You agree that you will not reverse engineer or decompile the Materials.
*
* NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any
* further information, software, technical information, know-how, or show-how
* available to you. Additionally, AMD retains the right to modify the
* Materials at any time, without notice, and is not obligated to provide such
* modified Materials to you.
*
* U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with
* "RESTRICTED RIGHTS." Use, duplication, or disclosure by the Government is
* subject to the restrictions as set forth in FAR 52.227-14 and
* DFAR252.227-7013, et seq., or its successor. Use of the Materials by the
* Government constitutes acknowledgement of AMD's proprietary rights in them.
*
* EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any
* direct product thereof will be exported directly or indirectly, into any
* country prohibited by the United States Export Administration Act and the
* regulations thereunder, without the required authorization from the U.S.
* government nor will be used for any purpose prohibited by the same.
******************************************************************************
*/
/*----------------------------------------------------------------------------------------
* M O D U L E S U S E D
*----------------------------------------------------------------------------------------
*/
#include "AGESA.h"
#include "Ids.h"
#include "GeneralServices.h"
#include "cpuFeatures.h"
#include "cpuFamilyTranslation.h"
#include "Filecode.h"
CODE_GROUP (G1_PEICC)
RDATA_GROUP (G1_PEICC)
#define FILECODE PROC_CPU_FEATURE_CPUFEATURES_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 - External General Services API
*----------------------------------------------------------------------------------------
*/
extern CONST CPU_FEATURE_DESCRIPTOR* ROMDATA SupportedCpuFeatureList[];
/**
* Determines if a specific feature is or will be enabled.
*
* This code traverses the feature list until a match is
* found, then invokes the 'IsEnabled' function of the
* feature.
*
* @param[in] Feature Indicates the desired feature.
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in] StdHeader Standard AMD configuration parameters.
*
* @retval TRUE Feature is or will be enabled
* @retval FALSE Feature is not enabled
*/
BOOLEAN
IsFeatureEnabled (
IN DISPATCHABLE_CPU_FEATURES Feature,
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINTN i;
ASSERT (Feature < MaxCpuFeature);
for (i = 0; SupportedCpuFeatureList[i] != NULL; i++) {
if (SupportedCpuFeatureList[i]->Feature == Feature) {
return (SupportedCpuFeatureList[i]->IsEnabled (PlatformConfig, StdHeader));
}
}
return FALSE;
}
/**
* Dispatches all features needing to perform some initialization at
* this time point.
*
* This routine searches the feature table for features needing to
* run at this time point, and invokes them.
*
* @param[in] EntryPoint Timepoint designator
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in] StdHeader Standard AMD configuration parameters.
*
* @return The most severe status of any called service.
*/
AGESA_STATUS
DispatchCpuFeatures (
IN UINT64 EntryPoint,
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINTN i;
AGESA_STATUS AgesaStatus;
AGESA_STATUS CalledStatus;
AGESA_STATUS IgnoredStatus;
AgesaStatus = AGESA_SUCCESS;
if (IsBsp (StdHeader, &IgnoredStatus)) {
for (i = 0; SupportedCpuFeatureList[i] != NULL; i++) {
if ((SupportedCpuFeatureList[i]->EntryPoint & EntryPoint) != 0) {
IDS_SKIP_HOOK (IDS_CPU_FEAT, (CPU_FEATURE_DESCRIPTOR *) SupportedCpuFeatureList[i], StdHeader) {
if (SupportedCpuFeatureList[i]->IsEnabled (PlatformConfig, StdHeader)) {
CalledStatus = SupportedCpuFeatureList[i]->InitializeFeature (EntryPoint, PlatformConfig, StdHeader);
if (CalledStatus > AgesaStatus) {
AgesaStatus = CalledStatus;
}
}
}
}
}
}
return AgesaStatus;
}
/**
* This routine checks whether any non-coherent links in the system
* runs in HT1 mode; used to determine whether certain features
* should be disabled when this routine returns TRUE.
*
* @param[in] StdHeader Standard AMD configuration parameters.
*
* @retval TRUE One of the non-coherent links in the
* system runs in HT1 mode
* @retval FALSE None of the non-coherent links in the
* system is running in HT1 mode
*/
BOOLEAN
IsNonCoherentHt1 (
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINTN Link;
UINT32 Socket;
UINT32 Module;
PCI_ADDR PciAddress;
AGESA_STATUS AgesaStatus;
HT_HOST_FEATS HtHostFeats;
CPU_SPECIFIC_SERVICES *CpuServices;
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
GetCpuServicesOfSocket (Socket, (CONST CPU_SPECIFIC_SERVICES **)&CpuServices, StdHeader);
for (Module = 0; Module < GetPlatformNumberOfModules (); Module++) {
if (GetPciAddress (StdHeader, Socket, Module, &PciAddress, &AgesaStatus)) {
HtHostFeats.HtHostValue = 0;
Link = 0;
while (CpuServices->GetNextHtLinkFeatures (CpuServices, &Link, &PciAddress, &HtHostFeats, StdHeader)) {
// Return TRUE and exit routine once we find a non-coherent link in HT1
if ((HtHostFeats.HtHostFeatures.NonCoherent == 1) && (HtHostFeats.HtHostFeatures.Ht1 == 1)) {
return TRUE;
}
}
}
}
}
}
return FALSE;
}
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