diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/Proc/CPU/Feature/cpuFeatures.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/Proc/CPU/Feature/cpuFeatures.c | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/Proc/CPU/Feature/cpuFeatures.c b/src/vendorcode/amd/agesa/Proc/CPU/Feature/cpuFeatures.c new file mode 100644 index 0000000000..fa18acf6fe --- /dev/null +++ b/src/vendorcode/amd/agesa/Proc/CPU/Feature/cpuFeatures.c @@ -0,0 +1,198 @@ +/* $NoKeywords:$ */ +/** + * @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, &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; +} |