zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 1 | /* $NoKeywords:$ */ |
| 2 | /** |
| 3 | * @file |
| 4 | * |
| 5 | * AMD AGESA CPU Application Power Management (APM) feature support code. |
| 6 | * |
| 7 | * Contains code that declares the AGESA CPU APM related APIs |
| 8 | * |
| 9 | * @xrefitem bom "File Content Label" "Release Content" |
| 10 | * @e project: AGESA |
| 11 | * @e sub-project: CPU/Feature |
| 12 | * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ |
| 13 | * |
| 14 | */ |
| 15 | /* |
| 16 | ****************************************************************************** |
| 17 | * |
Siyuan Wang | 641f00c | 2013-06-08 11:50:55 +0800 | [diff] [blame] | 18 | * Copyright (c) 2008 - 2012, Advanced Micro Devices, Inc. |
| 19 | * All rights reserved. |
zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 20 | * |
Siyuan Wang | 641f00c | 2013-06-08 11:50:55 +0800 | [diff] [blame] | 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. |
zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 31 | * |
Siyuan Wang | 641f00c | 2013-06-08 11:50:55 +0800 | [diff] [blame] | 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. |
zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 42 | ****************************************************************************** |
| 43 | */ |
| 44 | |
| 45 | /*---------------------------------------------------------------------------------------- |
| 46 | * M O D U L E S U S E D |
| 47 | *---------------------------------------------------------------------------------------- |
| 48 | */ |
| 49 | #include "AGESA.h" |
| 50 | #include "GeneralServices.h" |
| 51 | #include "cpuFamilyTranslation.h" |
| 52 | #include "cpuApicUtilities.h" |
| 53 | #include "cpuFeatures.h" |
| 54 | #include "cpuApm.h" |
| 55 | #include "Filecode.h" |
| 56 | CODE_GROUP (G1_PEICC) |
| 57 | RDATA_GROUP (G1_PEICC) |
| 58 | |
| 59 | #define FILECODE PROC_CPU_FEATURE_CPUAPM_FILECODE |
| 60 | |
| 61 | /*---------------------------------------------------------------------------------------- |
| 62 | * D E F I N I T I O N S A N D M A C R O S |
| 63 | *---------------------------------------------------------------------------------------- |
| 64 | */ |
| 65 | |
| 66 | /*---------------------------------------------------------------------------------------- |
| 67 | * T Y P E D E F S A N D S T R U C T U R E S |
| 68 | *---------------------------------------------------------------------------------------- |
| 69 | */ |
| 70 | |
| 71 | /*---------------------------------------------------------------------------------------- |
| 72 | * 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 |
| 73 | *---------------------------------------------------------------------------------------- |
| 74 | */ |
| 75 | VOID |
| 76 | STATIC |
| 77 | EnableApmOnSocket ( |
| 78 | IN VOID *PlatformConfig, |
| 79 | IN AMD_CONFIG_PARAMS *StdHeader |
| 80 | ); |
| 81 | |
| 82 | /*---------------------------------------------------------------------------------------- |
| 83 | * E X P O R T E D F U N C T I O N S |
| 84 | *---------------------------------------------------------------------------------------- |
| 85 | */ |
| 86 | extern CPU_FAMILY_SUPPORT_TABLE ApmFamilyServiceTable; |
| 87 | |
| 88 | /*---------------------------------------------------------------------------------------*/ |
| 89 | /** |
| 90 | * Should Application Power Management (APM) be enabled |
| 91 | * |
| 92 | * @param[in] PlatformConfig Contains the runtime modifiable feature input data. |
| 93 | * @param[in] StdHeader Config Handle for library, services. |
| 94 | * |
| 95 | * @retval TRUE APM is supported. |
| 96 | * @retval FALSE APM cannot be enabled. |
| 97 | * |
| 98 | */ |
| 99 | BOOLEAN |
| 100 | STATIC |
| 101 | IsApmFeatureEnabled ( |
| 102 | IN PLATFORM_CONFIGURATION *PlatformConfig, |
| 103 | IN AMD_CONFIG_PARAMS *StdHeader |
| 104 | ) |
| 105 | { |
| 106 | UINT32 Socket; |
| 107 | BOOLEAN IsEnabled; |
| 108 | APM_FAMILY_SERVICES *FamilyServices; |
| 109 | |
| 110 | IsEnabled = FALSE; |
| 111 | |
| 112 | for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) { |
| 113 | if (IsProcessorPresent (Socket, StdHeader)) { |
| 114 | GetFeatureServicesOfSocket (&ApmFamilyServiceTable, Socket, (CONST VOID **)&FamilyServices, StdHeader); |
| 115 | if (FamilyServices != NULL) { |
| 116 | if (FamilyServices->IsApmSupported (FamilyServices, PlatformConfig, Socket, StdHeader)) { |
| 117 | IsEnabled = TRUE; |
| 118 | break; |
| 119 | } |
| 120 | } |
| 121 | } |
| 122 | } |
| 123 | return IsEnabled; |
| 124 | } |
| 125 | |
| 126 | /*---------------------------------------------------------------------------------------*/ |
| 127 | /** |
| 128 | * Enable Application Power Management (APM) |
| 129 | * |
| 130 | * @param[in] EntryPoint Timepoint designator. |
| 131 | * @param[in] PlatformConfig Contains the runtime modifiable feature input data. |
| 132 | * @param[in] StdHeader Config Handle for library, services. |
| 133 | * |
| 134 | * @retval AGESA_SUCCESS Always succeeds. |
| 135 | * |
| 136 | */ |
| 137 | AGESA_STATUS |
| 138 | STATIC |
| 139 | InitializeApmFeature ( |
| 140 | IN UINT64 EntryPoint, |
| 141 | IN PLATFORM_CONFIGURATION *PlatformConfig, |
| 142 | IN AMD_CONFIG_PARAMS *StdHeader |
| 143 | ) |
| 144 | { |
| 145 | UINT32 BscSocket; |
| 146 | UINT32 Ignored; |
| 147 | UINT32 Socket; |
| 148 | UINT32 NumberOfSockets; |
| 149 | AP_TASK TaskPtr; |
| 150 | AGESA_STATUS IgnoredSts; |
| 151 | |
| 152 | IDS_HDT_CONSOLE (CPU_TRACE, " APM mode is enabled\n"); |
| 153 | |
| 154 | IdentifyCore (StdHeader, &BscSocket, &Ignored, &Ignored, &IgnoredSts); |
| 155 | NumberOfSockets = GetPlatformNumberOfSockets (); |
| 156 | |
| 157 | TaskPtr.FuncAddress.PfApTaskI = EnableApmOnSocket; |
| 158 | TaskPtr.DataTransfer.DataSizeInDwords = 2; |
| 159 | TaskPtr.DataTransfer.DataPtr = PlatformConfig; |
| 160 | TaskPtr.DataTransfer.DataTransferFlags = 0; |
| 161 | TaskPtr.ExeFlags = WAIT_FOR_CORE; |
| 162 | |
| 163 | for (Socket = 0; Socket < NumberOfSockets; Socket++) { |
| 164 | if (IsProcessorPresent (Socket, StdHeader)) { |
| 165 | if (Socket != BscSocket) { |
| 166 | ApUtilRunCodeOnSocketCore ((UINT8) Socket, 0, &TaskPtr, StdHeader); |
| 167 | } |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | EnableApmOnSocket (PlatformConfig, StdHeader); |
| 172 | return AGESA_SUCCESS; |
| 173 | } |
| 174 | |
| 175 | /*---------------------------------------------------------------------------------------*/ |
| 176 | /** |
| 177 | * AP task to enable APM |
| 178 | * |
| 179 | * @param[in] PlatformConfig Contains the runtime modifiable feature input data. |
| 180 | * @param[in] StdHeader Config Handle for library, services. |
| 181 | * |
| 182 | */ |
| 183 | VOID |
| 184 | STATIC |
| 185 | EnableApmOnSocket ( |
| 186 | IN VOID *PlatformConfig, |
| 187 | IN AMD_CONFIG_PARAMS *StdHeader |
| 188 | ) |
| 189 | { |
| 190 | APM_FAMILY_SERVICES *FamilyServices; |
| 191 | |
| 192 | GetFeatureServicesOfCurrentCore (&ApmFamilyServiceTable, (CONST VOID **)&FamilyServices, StdHeader); |
| 193 | FamilyServices->EnableApmOnSocket (FamilyServices, |
| 194 | PlatformConfig, |
| 195 | StdHeader); |
| 196 | } |
| 197 | |
| 198 | CONST CPU_FEATURE_DESCRIPTOR ROMDATA CpuFeatureApm = |
| 199 | { |
| 200 | CpuApm, |
| 201 | CPU_FEAT_BEFORE_RELINQUISH_AP, |
| 202 | IsApmFeatureEnabled, |
| 203 | InitializeApmFeature |
| 204 | }; |