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Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/CPU/Feature/cpuSwC1e.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/CPU/Feature/cpuSwC1e.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/CPU/Feature/cpuSwC1e.c b/src/vendorcode/amd/agesa/f14/Proc/CPU/Feature/cpuSwC1e.c new file mode 100644 index 0000000000..9fe66ce872 --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/CPU/Feature/cpuSwC1e.c @@ -0,0 +1,176 @@ +/* $NoKeywords:$ */ +/** + * @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: 37157 $ @e \$Date: 2010-09-01 03:24:07 +0800 (Wed, 01 Sep 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; + AP_MAILBOXES ApMailboxes; + SW_C1E_FAMILY_SERVICES *SwFamilyServices; + + ASSERT (PlatformConfig->C1eMode < MaxC1eMode); + IsEnabled = FALSE; + // Check whether software C1e is enabled only if hardware C1e is not supported or if the platform specifically + // uses C1eModeSoftwareDeprecated. + if ((PlatformConfig->C1eMode == C1eModeSoftwareDeprecated) || + ((PlatformConfig->C1eMode == C1eModeHardwareSoftwareDeprecated) && (!IsFeatureEnabled (HardwareC1e, PlatformConfig, StdHeader)))) { + 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, &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, &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 +};
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