diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/TN/cpuF15TnPsi.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/TN/cpuF15TnPsi.c | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/TN/cpuF15TnPsi.c b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/TN/cpuF15TnPsi.c new file mode 100644 index 0000000000..d808c50d6b --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/TN/cpuF15TnPsi.c @@ -0,0 +1,308 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD Family_15 TN PSI Initialization + * + * Enables Power Status Indicator (PSI) feature + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: CPU/Family/0x15/TN + * @e \$Revision: 65284 $ @e \$Date: 2012-02-12 23:29:39 -0600 (Sun, 12 Feb 2012) $ + * + */ +/* + ****************************************************************************** + * + * 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 "cpuRegisters.h" +#include "cpuF15PowerMgmt.h" +#include "cpuF15TnPowerMgmt.h" +#include "cpuFeatures.h" +#include "cpuServices.h" +#include "GeneralServices.h" +#include "cpuFamilyTranslation.h" +#include "CommonReturns.h" +#include "cpuPsi.h" +#include "OptionMultiSocket.h" +#include "Filecode.h" +CODE_GROUP (G2_PEI) +RDATA_GROUP (G2_PEI) + +#define FILECODE PROC_CPU_FAMILY_0X15_TN_CPUF15TNPSI_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 + *---------------------------------------------------------------------------------------- + */ + +VOID +STATIC +F15TnPmVrmLowPowerModeEnable ( + IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN PCI_ADDR PciAddress, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +/*---------------------------------------------------------------------------------------- + * E X P O R T E D F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ +extern OPTION_MULTISOCKET_CONFIGURATION OptionMultiSocketConfiguration; + +/*---------------------------------------------------------------------------------------*/ +/** + * Entry point for enabling Power Status Indicator + * + * This function must be run after all P-State routines have been executed + * + * @param[in] PsiServices The current CPU's family services. + * @param[in] EntryPoint Timepoint designator. + * @param[in] PlatformConfig Contains the runtime modifiable feature input data. + * @param[in] StdHeader Config handle for library and services. + * + * @retval AGESA_SUCCESS Always succeeds. + * + */ +AGESA_STATUS +STATIC +F15TnInitializePsi ( + IN PSI_FAMILY_SERVICES *PsiServices, + IN UINT64 EntryPoint, + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + PCI_ADDR PciAddress; + CPU_SPECIFIC_SERVICES *FamilySpecificServices; + + if ((EntryPoint & (CPU_FEAT_AFTER_POST_MTRR_SYNC | CPU_FEAT_AFTER_RESUME_MTRR_SYNC)) != 0) { + GetCpuServicesOfCurrentCore ((CONST CPU_SPECIFIC_SERVICES **)&FamilySpecificServices, StdHeader); + OptionMultiSocketConfiguration.GetCurrPciAddr (&PciAddress, StdHeader); + PciAddress.AddressValue = MAKE_SBDFO (0, 0, 24, 0, 0); + // Configure PsiVid + F15TnPmVrmLowPowerModeEnable (FamilySpecificServices, PlatformConfig, PciAddress, StdHeader); + } + + return AGESA_SUCCESS; +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Sets up PSI_L operation. + * + * This function implements the LowPowerThreshold parameter. + * + * @param[in] FamilySpecificServices The current Family Specific Services. + * @param[in] PlatformConfig Contains the runtime modifiable feature input data. + * @param[in] PciAddress Segment, bus, device number of the node to transition. + * @param[in] StdHeader Config handle for library and services. + * + */ +VOID +STATIC +F15TnPmVrmLowPowerModeEnable ( + IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN PCI_ADDR PciAddress, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + PSTATE_MSR PstateMsr; + CLK_PWR_TIMING_CTRL2_REGISTER ClkPwrTimingCtrl2; + POWER_CTRL_MISC_REGISTER PwrCtrlMisc; + UINT32 CoreVrmLowPowerThreshold; + UINT32 Pstate; + UINT32 HwPstateMaxVal; + UINT32 PstateCurrent; + UINT32 NextPstateCurrent; + UINT32 PreviousVid; + UINT32 CurrentVid; + + NB_PSTATE_REGISTER NbPstateReg; + NB_PSTATE_CTRL_REGISTER NbPsCtrl; + MISC_VOLTAGE_REGISTER MiscVoltageReg; + UINT32 NbVrmLowPowerThreshold; + UINT32 NbPstate; + UINT32 NbPstateMaxVal; + UINT32 NbPstateCurrent; + UINT32 NextNbPstateCurrent; + UINT32 PreviousNbVid; + UINT32 CurrentNbVid; + + IDS_HDT_CONSOLE (CPU_TRACE, " F15TnPmVrmLowPowerModeEnable\n"); + + if (PlatformConfig->VrmProperties[CoreVrm].LowPowerThreshold != 0) { + // Set up PSI0_L for VDD + CoreVrmLowPowerThreshold = PlatformConfig->VrmProperties[CoreVrm].LowPowerThreshold; + IDS_HDT_CONSOLE (CPU_TRACE, " Core VRM - LowPowerThreshold: %d\n", CoreVrmLowPowerThreshold); + PreviousVid = 0xFF; + CurrentVid = 0xFF; + + PciAddress.AddressValue = CPTC2_PCI_ADDR; + LibAmdPciRead (AccessWidth32, PciAddress, &ClkPwrTimingCtrl2, StdHeader); + HwPstateMaxVal = ClkPwrTimingCtrl2.PstateMaxVal; + ASSERT (HwPstateMaxVal < NM_PS_REG); + + IDS_HDT_CONSOLE (CPU_TRACE, " HwPstateMaxVal %d\n", HwPstateMaxVal); + // Check P-state from P0 to HwPstateMaxVal + for (Pstate = 0; Pstate <= HwPstateMaxVal; Pstate++) { + FamilySpecificServices->GetProcIddMax (FamilySpecificServices, (UINT8) Pstate, &PstateCurrent, StdHeader); + + LibAmdMsrRead ((UINT32) (Pstate + PS_REG_BASE), (UINT64 *) &PstateMsr, StdHeader); + CurrentVid = (UINT32) PstateMsr.CpuVid; + + if (Pstate == HwPstateMaxVal) { + NextPstateCurrent = 0; + } else { + // Check P-state from P1 to HwPstateMaxVal + FamilySpecificServices->GetProcIddMax (FamilySpecificServices, (UINT8) (Pstate + 1), &NextPstateCurrent, StdHeader); + } + + if ((PstateCurrent <= CoreVrmLowPowerThreshold) && + (NextPstateCurrent <= CoreVrmLowPowerThreshold) && + (CurrentVid != PreviousVid)) { + // Program PsiVid and PsiVidEn if PSI state is found and stop searching. + PciAddress.AddressValue = PW_CTL_MISC_PCI_ADDR; + LibAmdPciRead (AccessWidth32, PciAddress, &PwrCtrlMisc, StdHeader); + PwrCtrlMisc.PsiVid = CurrentVid; + PwrCtrlMisc.PsiVidEn = 1; + LibAmdPciWrite (AccessWidth32, PciAddress, &PwrCtrlMisc, StdHeader); + IDS_HDT_CONSOLE (CPU_TRACE, " PsiVid is enabled at P-state %d. PsiVid: %d\n", Pstate, CurrentVid); + break; + } else { + PstateCurrent = NextPstateCurrent; + PreviousVid = CurrentVid; + } + } + } + + if (PlatformConfig->VrmProperties[NbVrm].LowPowerThreshold != 0) { + // Set up NBPSI0_L for VDDNB + NbVrmLowPowerThreshold = PlatformConfig->VrmProperties[NbVrm].LowPowerThreshold; + IDS_HDT_CONSOLE (CPU_TRACE, " NB VRM - LowPowerThreshold: %d\n", NbVrmLowPowerThreshold); + PreviousNbVid = 0xFF; + CurrentNbVid = 0xFF; + + PciAddress.AddressValue = NB_PSTATE_CTRL_PCI_ADDR; + LibAmdPciRead (AccessWidth32, PciAddress, &NbPsCtrl, StdHeader); + NbPstateMaxVal = NbPsCtrl.NbPstateMaxVal; + ASSERT (NbPstateMaxVal < NM_NB_PS_REG); + + IDS_HDT_CONSOLE (CPU_TRACE, " NbPstateMaxVal %d\n", NbPstateMaxVal); + for (NbPstate = 0; NbPstate <= NbPstateMaxVal; NbPstate++) { + // Check only valid NB P-state + if (FamilySpecificServices->GetNbIddMax (FamilySpecificServices, (UINT8) NbPstate, &NbPstateCurrent, StdHeader) != TRUE) { + continue; + } + + PciAddress.Address.Register = (NB_PSTATE_0 + (sizeof (NB_PSTATE_REGISTER) * NbPstate)); + LibAmdPciRead (AccessWidth32, PciAddress, &NbPstateReg, StdHeader); + CurrentNbVid = (UINT32) GetF15TnNbVid (&NbPstateReg); + + if (NbPstate == NbPstateMaxVal) { + NextNbPstateCurrent = 0; + } else { + // Check only valid NB P-state + if (FamilySpecificServices->GetNbIddMax (FamilySpecificServices, (UINT8) (NbPstate + 1), &NextNbPstateCurrent, StdHeader) != TRUE) { + continue; + } + } + + if ((NbPstateCurrent <= NbVrmLowPowerThreshold) && + (NextNbPstateCurrent <= NbVrmLowPowerThreshold) && + (CurrentNbVid != PreviousNbVid)) { + // Program NbPsi0Vid and NbPsi0VidEn if PSI state is found and stop searching. + PciAddress.AddressValue = MISC_VOLTAGES_PCI_ADDR; + LibAmdPciRead (AccessWidth32, PciAddress, &MiscVoltageReg, StdHeader); + MiscVoltageReg.NbPsi0Vid = CurrentNbVid; + MiscVoltageReg.NbPsi0VidEn = 1; + LibAmdPciWrite (AccessWidth32, PciAddress, &MiscVoltageReg, StdHeader); + IDS_HDT_CONSOLE (CPU_TRACE, " NbPsi0Vid is enabled at NB P-state %d. NbPsi0Vid: %d\n", NbPstate, CurrentNbVid); + break; + } else { + PreviousNbVid = CurrentNbVid; + } + } + } +} + + +CONST PSI_FAMILY_SERVICES ROMDATA F15TnPsiSupport = +{ + 0, + (PF_PSI_IS_SUPPORTED) CommonReturnTrue, + F15TnInitializePsi +}; |