| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * Implement general feature dispatcher. |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: CPU |
| * @e \$Revision: 37150 $ @e \$Date: 2010-08-31 23:53:37 +0800 (Tue, 31 Aug 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 "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) { |
| 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; |
| } |
