| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * AMD Family_16 APM Initialization |
| * |
| * Enables Application Power Management feature |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: CPU/Family/0x16 |
| * @e \$Revision: 84150 $ @e \$Date: 2012-12-12 15:46:25 -0600 (Wed, 12 Dec 2012) $ |
| * |
| */ |
| /* |
| ****************************************************************************** |
| * |
| * Copyright (c) 2008 - 2013, 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 "GeneralServices.h" |
| #include "cpuServices.h" |
| #include "cpuRegisters.h" |
| #include "cpuFamilyTranslation.h" |
| #include "cpuF16PowerMgmt.h" |
| #include "CommonReturns.h" |
| #include "cpuApm.h" |
| #include "OptionMultiSocket.h" |
| #include "Filecode.h" |
| CODE_GROUP (G3_DXE) |
| RDATA_GROUP (G3_DXE) |
| |
| #define FILECODE PROC_CPU_FAMILY_0X16_CPUF16APM_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 |
| *---------------------------------------------------------------------------------------- |
| */ |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Entry point for enabling Application Power Management |
| * |
| * This function must be run after all P-State routines have been executed |
| * |
| * @param[in] ApmServices The current CPU's family services. |
| * @param[in] StdHeader Config handle for library and services. |
| * |
| * @retval AGESA_SUCCESS Always succeeds. |
| * |
| */ |
| STATIC AGESA_STATUS |
| F16InitializeApm ( |
| IN APM_FAMILY_SERVICES *ApmServices, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| F16_CPB_CTRL_REGISTER CpbControl; |
| PCI_ADDR PciAddress; |
| |
| PciAddress.AddressValue = CPB_CTRL_PCI_ADDR; |
| LibAmdPciRead (AccessWidth32, PciAddress, &CpbControl, StdHeader); |
| if (CpbControl.NumBoostStates == 0) { |
| CpbControl.ApmMasterEn = 0; |
| } else { |
| CpbControl.ApmMasterEn = 1; |
| } |
| LibAmdPciWrite (AccessWidth32, PciAddress, &CpbControl, StdHeader); |
| return AGESA_SUCCESS; |
| } |
| |
| |
| |
| CONST APM_FAMILY_SERVICES ROMDATA F16ApmSupport = |
| { |
| 0, |
| (PF_APM_IS_SUPPORTED) CommonReturnTrue, |
| F16InitializeApm |
| }; |
| |