src/vendorcode/amd/agesa/f15/Proc/CPU/Feature/cpuMsgBasedC1e.c

   1 /* $NoKeywords:$ */
   2 /**
   3  * @file
   4  *
   5  * AMD AGESA CPU Message-based C1e feature support code.
   6  *
   7  * Contains code that declares the AGESA CPU C1e related APIs
   8  *
   9  * @xrefitem bom "File Content Label" "Release Content"
  10  * @e project:      AGESA
  11  * @e sub-project:  CPU/Feature
  12  * @e \$Revision: 56279 $   @e \$Date: 2011-07-11 13:11:28 -0600 (Mon, 11 Jul 2011) $
  13  *
  14  */
  15 /*
  16  ******************************************************************************
  17  *
  18  * Copyright (C) 2012 Advanced Micro Devices, Inc.
  19  * All rights reserved.
  20  *
  21  * Redistribution and use in source and binary forms, with or without
  22  * modification, are permitted provided that the following conditions are met:
  23  *     * Redistributions of source code must retain the above copyright
  24  *       notice, this list of conditions and the following disclaimer.
  25  *     * Redistributions in binary form must reproduce the above copyright
  26  *       notice, this list of conditions and the following disclaimer in the
  27  *       documentation and/or other materials provided with the distribution.
  28  *     * Neither the name of Advanced Micro Devices, Inc. nor the names of
  29  *       its contributors may be used to endorse or promote products derived
  30  *       from this software without specific prior written permission.
  31  *
  32  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  33  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  34  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  35  * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
  36  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  37  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  38  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  39  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  40  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  41  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  42  *
  43  ******************************************************************************
  44  */
  45
  46 /*----------------------------------------------------------------------------------------
  47  *                             M O D U L E S    U S E D
  48  *----------------------------------------------------------------------------------------
  49  */
  50 #include "AGESA.h"
  51 #include "amdlib.h"
  52 #include "Ids.h"
  53 #include "OptionMultiSocket.h"
  54 #include "cpuRegisters.h"
  55 #include "cpuApicUtilities.h"
  56 #include "cpuServices.h"
  57 #include "cpuFamilyTranslation.h"
  58 #include "cpuFeatures.h"
  59 #include "cpuMsgBasedC1e.h"
  60 #include "Filecode.h"
  61 CODE_GROUP (G1_PEICC)
  62 RDATA_GROUP (G2_PEI)
  63
  64 #define FILECODE PROC_CPU_FEATURE_CPUMSGBASEDC1E_FILECODE
  65 /*----------------------------------------------------------------------------------------
  66  *                   D E F I N I T I O N S    A N D    M A C R O S
  67  *----------------------------------------------------------------------------------------
  68  */
  69
  70 /*----------------------------------------------------------------------------------------
  71  *                  T Y P E D E F S     A N D     S T R U C T U  R E S
  72  *----------------------------------------------------------------------------------------
  73  */
  74
  75 /*----------------------------------------------------------------------------------------
  76  *           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
  77  *----------------------------------------------------------------------------------------
  78  */
  79 VOID
  80 STATIC
  81 EnableMsgC1eOnSocket (
  82   IN       VOID *EntryPoint,
  83   IN       AMD_CONFIG_PARAMS *StdHeader,
  84   IN       AMD_CPU_EARLY_PARAMS *CpuEarlyParams
  85   );
  86
  87 /*----------------------------------------------------------------------------------------
  88  *                          E X P O R T E D    F U N C T I O N S
  89  *----------------------------------------------------------------------------------------
  90  */
  91 extern CPU_FAMILY_SUPPORT_TABLE MsgBasedC1eFamilyServiceTable;
  92 extern OPTION_MULTISOCKET_CONFIGURATION OptionMultiSocketConfiguration;
  93
  94 /*---------------------------------------------------------------------------------------*/
  95 /**
  96  *  Should message-based C1e be enabled
  97  *
  98  * @param[in]    PlatformConfig     Contains the runtime modifiable feature input data.
  99  * @param[in]    StdHeader          Config Handle for library, services.
 100  *
 101  * @retval       TRUE               Message-based C1e is supported.
 102  * @retval       FALSE              Message-based C1e cannot be enabled.
 103  *
 104  */
 105 BOOLEAN
 106 STATIC
 107 IsMsgBasedC1eFeatureEnabled (
 108   IN       PLATFORM_CONFIGURATION *PlatformConfig,
 109   IN       AMD_CONFIG_PARAMS      *StdHeader
 110   )
 111 {
 112   BOOLEAN          IsEnabled;
 113   UINT32           Socket;
 114   MSG_BASED_C1E_FAMILY_SERVICES *FamilyServices;
 115
 116   ASSERT (PlatformConfig->C1eMode < MaxC1eMode);
 117
 118   IsEnabled = FALSE;
 119   if ((PlatformConfig->C1eMode == C1eModeMsgBased) || (PlatformConfig->C1eMode == C1eModeAuto)) {
 120     ASSERT (PlatformConfig->C1ePlatformData < 0x10000);
 121     ASSERT (PlatformConfig->C1ePlatformData != 0);
 122     if ((PlatformConfig->C1ePlatformData != 0) && (PlatformConfig->C1ePlatformData < 0xFFFE)) {
 123       IsEnabled = TRUE;
 124       if (IsNonCoherentHt1 (StdHeader)) {
 125         IsEnabled = FALSE;
 126       } else {
 127         for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
 128           if (IsProcessorPresent (Socket, StdHeader)) {
 129             GetFeatureServicesOfSocket (&MsgBasedC1eFamilyServiceTable, Socket, (CONST VOID **)&FamilyServices, StdHeader);
 130             if ((FamilyServices == NULL) || !FamilyServices->IsMsgBasedC1eSupported (FamilyServices, Socket, StdHeader)) {
 131               IsEnabled = FALSE;
 132               break;
 133             }
 134           }
 135         }
 136       }
 137     }
 138   }
 139   return IsEnabled;
 140 }
 141
 142 /*---------------------------------------------------------------------------------------*/
 143 /**
 144  *  Enable Message-based C1e
 145  *
 146  * @param[in]    EntryPoint         Timepoint designator.
 147  * @param[in]    PlatformConfig     Contains the runtime modifiable feature input data.
 148  * @param[in]    StdHeader          Config Handle for library, services.
 149  *
 150  * @return       AGESA_SUCCESS      Always succeeds.
 151  *
 152  */
 153 AGESA_STATUS
 154 STATIC
 155 InitializeMsgBasedC1eFeature (
 156   IN       UINT64                 EntryPoint,
 157   IN       PLATFORM_CONFIGURATION *PlatformConfig,
 158   IN       AMD_CONFIG_PARAMS      *StdHeader
 159   )
 160 {
 161   AP_TASK      TaskPtr;
 162   AMD_CPU_EARLY_PARAMS CpuEarlyParams;
 163
 164   IDS_HDT_CONSOLE (CPU_TRACE, "    MT C1e is enabled\n");
 165
 166   if ((EntryPoint != CPU_FEAT_AFTER_PM_INIT) || (IsWarmReset (StdHeader))) {
 167     CpuEarlyParams.PlatformConfig = *PlatformConfig;
 168
 169     TaskPtr.FuncAddress.PfApTaskIC = EnableMsgC1eOnSocket;
 170     TaskPtr.DataTransfer.DataSizeInDwords = 2;
 171     TaskPtr.DataTransfer.DataPtr = &EntryPoint;
 172     TaskPtr.DataTransfer.DataTransferFlags = 0;
 173     TaskPtr.ExeFlags = PASS_EARLY_PARAMS;
 174     OptionMultiSocketConfiguration.BscRunCodeOnAllSystemCore0s (&TaskPtr, StdHeader, &CpuEarlyParams);
 175   }
 176   return AGESA_SUCCESS;
 177 }
 178
 179
 180 /*---------------------------------------------------------------------------------------*/
 181 /**
 182  *  'Local' core 0 task to enable message-based C1e on it's socket.
 183  *
 184  * @param[in]    EntryPoint         Timepoint designator.
 185  * @param[in]    StdHeader          Config Handle for library, services.
 186  * @param[in]    CpuEarlyParams     Service parameters.
 187  *
 188  */
 189 VOID
 190 STATIC
 191 EnableMsgC1eOnSocket (
 192   IN       VOID *EntryPoint,
 193   IN       AMD_CONFIG_PARAMS *StdHeader,
 194   IN       AMD_CPU_EARLY_PARAMS *CpuEarlyParams
 195   )
 196 {
 197   MSG_BASED_C1E_FAMILY_SERVICES *FamilyServices;
 198
 199   GetFeatureServicesOfCurrentCore (&MsgBasedC1eFamilyServiceTable, (CONST VOID **)&FamilyServices, StdHeader);
 200   FamilyServices->InitializeMsgBasedC1e (FamilyServices,
 201                                          *((UINT64 *) EntryPoint),
 202                                          &CpuEarlyParams->PlatformConfig,
 203                                          StdHeader);
 204 }
 205
 206 CONST CPU_FEATURE_DESCRIPTOR ROMDATA CpuFeatureMsgBasedC1e =
 207 {
 208   MsgBasedC1e,
 209   (CPU_FEAT_AFTER_PM_INIT | CPU_FEAT_AFTER_POST_MTRR_SYNC | CPU_FEAT_AFTER_RESUME_MTRR_SYNC),
 210   IsMsgBasedC1eFeatureEnabled,
 211   InitializeMsgBasedC1eFeature
 212 };