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Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/CPU/Feature/cpuHwC1e.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/CPU/Feature/cpuHwC1e.c | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Feature/cpuHwC1e.c b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Feature/cpuHwC1e.c new file mode 100644 index 0000000000..e06944fde4 --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Feature/cpuHwC1e.c @@ -0,0 +1,207 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD AGESA CPU HW 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: 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 "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 "cpuHwC1e.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE PROC_CPU_FEATURE_CPUHWC1E_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 HwC1eFamilyServiceTable; + +/*---------------------------------------------------------------------------------------*/ +/** + * Should hardware C1e be enabled + * + * @param[in] PlatformConfig Contains the runtime modifiable feature input data. + * @param[in] StdHeader Config Handle for library, services. + * + * @retval TRUE HW C1e is supported. + * @retval FALSE HW C1e cannot be enabled. + * + */ +BOOLEAN +STATIC +IsHwC1eFeatureEnabled ( + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 C1eData; + BOOLEAN IsEnabled; + AP_MAILBOXES ApMailboxes; + HW_C1E_FAMILY_SERVICES *FamilyServices; + + ASSERT (PlatformConfig->C1eMode < MaxC1eMode); + IsEnabled = FALSE; + C1eData = PlatformConfig->C1ePlatformData; + if ((PlatformConfig->C1eMode == C1eModeHardware) || (PlatformConfig->C1eMode == C1eModeHardwareSoftwareDeprecated) || + (PlatformConfig->C1eMode == C1eModeAuto)) { + // If C1eMode is Auto, C1ePlatformData3 specifies the P_LVL3 I/O port of the platform for HW C1e + if (PlatformConfig->C1eMode == C1eModeAuto) { + C1eData = PlatformConfig->C1ePlatformData3; + } + ASSERT (C1eData < 0x10000); + ASSERT (C1eData != 0); + if ((C1eData != 0) && (C1eData < 0xFFFE)) { + if (!IsNonCoherentHt1 (StdHeader)) { + if (GetNumberOfProcessors (StdHeader) == 1) { + GetApMailbox (&ApMailboxes.ApMailInfo.Info, StdHeader); + if (ApMailboxes.ApMailInfo.Fields.ModuleType == 0) { + GetFeatureServicesOfCurrentCore (&HwC1eFamilyServiceTable, (CONST VOID **)&FamilyServices, StdHeader); + if (FamilyServices != NULL) { + IsEnabled = FamilyServices->IsHwC1eSupported (FamilyServices, StdHeader); + } + } + } + } + } + } + return IsEnabled; +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Enable Hardware 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 +InitializeHwC1eFeature ( + IN UINT64 EntryPoint, + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + AGESA_STATUS CalledStatus; + AGESA_STATUS AgesaStatus; + HW_C1E_FAMILY_SERVICES *FamilyServices; + + AgesaStatus = AGESA_SUCCESS; + + IDS_HDT_CONSOLE (CPU_TRACE, " HW C1e is enabled\n"); + + if (IsWarmReset (StdHeader)) { + GetFeatureServicesOfCurrentCore (&HwC1eFamilyServiceTable, (CONST VOID **)&FamilyServices, StdHeader); + CalledStatus = FamilyServices->InitializeHwC1e (FamilyServices, EntryPoint, PlatformConfig, StdHeader); + if (CalledStatus > AgesaStatus) { + AgesaStatus = CalledStatus; + } + } + return AgesaStatus; +} + +CONST CPU_FEATURE_DESCRIPTOR ROMDATA CpuFeatureHwC1e = +{ + HardwareC1e, + CPU_FEAT_AFTER_PM_INIT, + IsHwC1eFeatureEnabled, + InitializeHwC1eFeature +}; |