5 * AMD AGESA CPU create Pstate HPC mode support code.
7 * Contains code that declares the AGESA CPU Pstate HPC mode related APIs
9 * @xrefitem bom "File Content Label" "Release Content"
11 * @e sub-project: CPU/Feature
12 * @e \$Revision: 56279 $ @e \$Date: 2011-07-11 13:11:28 -0600 (Mon, 11 Jul 2011) $
16 ******************************************************************************
18 * Copyright (C) 2012 Advanced Micro Devices, Inc.
19 * All rights reserved.
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.
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.
43 ******************************************************************************
46 /*----------------------------------------------------------------------------------------
47 * M O D U L E S U S E D
48 *----------------------------------------------------------------------------------------
51 #include "GeneralServices.h"
52 #include "cpuFamilyTranslation.h"
53 #include "cpuApicUtilities.h"
54 #include "OptionMultiSocket.h"
55 #include "cpuRegisters.h"
56 #include "cpuApicUtilities.h"
57 #include "cpuFeatures.h"
58 #include "cpuPstateHpcMode.h"
63 #define FILECODE PROC_CPU_FEATURE_CPUPSTATEHPCMODE_FILECODE
65 /*----------------------------------------------------------------------------------------
66 * D E F I N I T I O N S A N D M A C R O S
67 *----------------------------------------------------------------------------------------
70 /*----------------------------------------------------------------------------------------
71 * T Y P E D E F S A N D S T R U C T U R E S
72 *----------------------------------------------------------------------------------------
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 *----------------------------------------------------------------------------------------
81 EnablePstateHpcModeOnAps (
82 IN VOID *PlatformConfig,
83 IN AMD_CONFIG_PARAMS *StdHeader
86 /*----------------------------------------------------------------------------------------
87 * E X P O R T E D F U N C T I O N S
88 *----------------------------------------------------------------------------------------
90 extern CPU_FAMILY_SUPPORT_TABLE PstateHpcModeFamilyServiceTable;
92 /*---------------------------------------------------------------------------------------*/
94 * Should P-state HPC mode be enabled
95 * If PlatformConfig->PStatesInHpcMode is TRUE, return TRUE, otherwise reture FALSE
97 * @param[in] PlatformConfig Contains the runtime modifiable feature input data.
98 * @param[in] StdHeader Config Handle for library, services.
100 * @retval TRUE P-state HPC mode is supported.
101 * @retval FALSE P-state HPC mode cannot be enabled.
106 IsPstateHpcModeFeatureSupported (
107 IN PLATFORM_CONFIGURATION *PlatformConfig,
108 IN AMD_CONFIG_PARAMS *StdHeader
113 PSTATE_HPC_MODE_FAMILY_SERVICES *FamilyServices;
117 if (PlatformConfig->PStatesInHpcMode) {
118 for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
119 if (IsProcessorPresent (Socket, StdHeader)) {
120 GetFeatureServicesOfSocket (&PstateHpcModeFamilyServiceTable, Socket, (CONST VOID **)&FamilyServices, StdHeader);
121 if (FamilyServices == NULL) {
134 /*---------------------------------------------------------------------------------------*/
136 * Enable high performance computing (HPC mode)
138 * @param[in] EntryPoint Timepoint designator.
139 * @param[in] PlatformConfig Contains the runtime modifiable feature input data.
140 * @param[in] StdHeader Config Handle for library, services.
142 * @retval AGESA_SUCCESS Always succeeds.
147 InitializePstateHpcModeFeature (
148 IN UINT64 EntryPoint,
149 IN PLATFORM_CONFIGURATION *PlatformConfig,
150 IN AMD_CONFIG_PARAMS *StdHeader
158 UINT32 NumberOfSockets;
159 UINT32 NumberOfCores;
161 AGESA_STATUS IgnoredSts;
163 if (!IsWarmReset (StdHeader)) {
164 IDS_HDT_CONSOLE (CPU_TRACE, " P-state HPC mode is enabled\n");
166 IdentifyCore (StdHeader, &BscSocket, &Ignored, &BscCoreNum, &IgnoredSts);
167 NumberOfSockets = GetPlatformNumberOfSockets ();
169 TaskPtr.FuncAddress.PfApTaskI = EnablePstateHpcModeOnAps;
170 TaskPtr.DataTransfer.DataSizeInDwords = 2;
171 TaskPtr.DataTransfer.DataPtr = PlatformConfig;
172 TaskPtr.DataTransfer.DataTransferFlags = 0;
173 TaskPtr.ExeFlags = WAIT_FOR_CORE;
175 for (Socket = 0; Socket < NumberOfSockets; Socket++) {
176 if (GetActiveCoresInGivenSocket (Socket, &NumberOfCores, StdHeader)) {
177 for (Core = 0; Core < NumberOfCores; Core++) {
178 if ((Socket != BscSocket) || (Core != BscCoreNum)) {
179 ApUtilRunCodeOnSocketCore ((UINT8) Socket, (UINT8) Core, &TaskPtr, StdHeader);
185 EnablePstateHpcModeOnAps (PlatformConfig, StdHeader);
187 return AGESA_SUCCESS;
190 /*---------------------------------------------------------------------------------------*/
192 * AP task to enable Pstate HPC mode
194 * @param[in] PlatformConfig Contains the runtime modifiable feature input data.
195 * @param[in] StdHeader Config Handle for library, services.
200 EnablePstateHpcModeOnAps (
201 IN VOID *PlatformConfig,
202 IN AMD_CONFIG_PARAMS *StdHeader
205 PSTATE_HPC_MODE_FAMILY_SERVICES *FamilyServices;
207 GetFeatureServicesOfCurrentCore (&PstateHpcModeFamilyServiceTable, (CONST VOID **)&FamilyServices, StdHeader);
208 FamilyServices->EnablePstateHpcMode (FamilyServices,
215 CONST CPU_FEATURE_DESCRIPTOR ROMDATA CpuFeaturePstateHpcMode =
218 (CPU_FEAT_BEFORE_RELINQUISH_AP | CPU_FEAT_AFTER_RESUME_MTRR_SYNC),
219 IsPstateHpcModeFeatureSupported,
220 InitializePstateHpcModeFeature