diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/TN/cpuF15TnPstate.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/TN/cpuF15TnPstate.c | 766 |
1 files changed, 766 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/TN/cpuF15TnPstate.c b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/TN/cpuF15TnPstate.c new file mode 100644 index 0000000000..7b6321e67a --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/TN/cpuF15TnPstate.c @@ -0,0 +1,766 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD Family_15 Trinity Pstate feature support functions. + * + * Provides the functions necessary to initialize the Pstate feature. + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: CPU/Family/0x15/TN + * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ + * + */ +/* + ****************************************************************************** + * + * 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 "GeneralServices.h" +#include "cpuPstateTables.h" +#include "cpuRegisters.h" +#include "Table.h" +#include "cpuFamilyTranslation.h" +#include "cpuFamRegisters.h" +#include "cpuF15Utilities.h" +#include "F15TnUtilities.h" +#include "cpuF15PowerMgmt.h" +#include "cpuF15TnPowerMgmt.h" +#include "CommonReturns.h" +#include "Filecode.h" +CODE_GROUP (G3_DXE) +RDATA_GROUP (G3_DXE) + +#define FILECODE PROC_CPU_FAMILY_0X15_TN_CPUF15TNPSTATE_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 +F15TnGetPowerStepValueInTime ( + IN OUT UINT32 *PowerStepPtr + ); + +VOID +STATIC +F15TnGetPllValueInTime ( + IN OUT UINT32 *PllLockTimePtr + ); + +AGESA_STATUS +STATIC +F15TnGetFrequencyXlatRegInfo ( + IN PSTATE_CPU_FAMILY_SERVICES *PstateCpuServices, + IN UINT8 PStateNumber, + IN UINT32 Frequency, + OUT UINT32 *CpuFidPtr, + OUT UINT32 *CpuDidPtr1, + OUT UINT32 *CpuDidPtr2, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +AGESA_STATUS +F15TnGetPstateTransLatency ( + IN PSTATE_CPU_FAMILY_SERVICES *PstateCpuServices, + IN PSTATE_LEVELING *PStateLevelingBufferStructPtr, + IN PCI_ADDR *PciAddress, + OUT UINT32 *TransitionLatency, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +AGESA_STATUS +F15TnGetPstateFrequency ( + IN PSTATE_CPU_FAMILY_SERVICES *PstateCpuServices, + IN UINT8 StateNumber, + OUT UINT32 *FrequencyInMHz, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +AGESA_STATUS +F15TnGetPstatePower ( + IN PSTATE_CPU_FAMILY_SERVICES *PstateCpuServices, + IN UINT8 StateNumber, + OUT UINT32 *PowerInMw, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +AGESA_STATUS +F15TnGetPstateMaxState ( + IN PSTATE_CPU_FAMILY_SERVICES *PstateCpuServices, + OUT UINT32 *MaxPStateNumber, + OUT UINT8 *NumberOfBoostStates, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +AGESA_STATUS +F15TnGetPstateRegisterInfo ( + IN PSTATE_CPU_FAMILY_SERVICES *PstateCpuServices, + IN UINT32 PState, + OUT BOOLEAN *PStateEnabled, + IN OUT UINT32 *IddVal, + IN OUT UINT32 *IddDiv, + OUT UINT32 *SwPstateNumber, + IN AMD_CONFIG_PARAMS *StdHeader + ); + + + +/*---------------------------------------------------------------------------------------- + * E X P O R T E D F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------*/ +/** + * Family specific call to check if Pstate PSD is dependent. + * + * @param[in] PstateCpuServices Pstate CPU services. + * @param[in,out] PlatformConfig Contains the runtime modifiable feature input data. + * @param[in] StdHeader Config Handle for library, services. + * + * @retval TRUE PSD is dependent. + * @retval FALSE PSD is independent. + * + */ +BOOLEAN +STATIC +F15TnIsPstatePsdDependent ( + IN PSTATE_CPU_FAMILY_SERVICES *PstateCpuServices, + IN OUT PLATFORM_CONFIGURATION *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + BOOLEAN PsdIsDependent; + + IDS_HDT_CONSOLE (CPU_TRACE, " F15TnIsPstatePsdDependent\n"); + + // Family 15h Trinity defaults to dependent PSD; allow Platform Configuration to + // overwrite the default setting. + PsdIsDependent = TRUE; + if (PlatformConfig->ForcePstateIndependent == TRUE) { + PsdIsDependent = FALSE; + } + + IDS_HDT_CONSOLE (CPU_TRACE, " P-state PSD is dependent: %d\n", PsdIsDependent); + return PsdIsDependent; +} + +/** + * Family specific call to set core TscFreqSel. + * + * @param[in] PstateCpuServices Pstate CPU services. + * @param[in] StdHeader Config Handle for library, services. + * + */ +VOID +STATIC +F15TnSetTscFreqSel ( + IN PSTATE_CPU_FAMILY_SERVICES *PstateCpuServices, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + IDS_HDT_CONSOLE (CPU_TRACE, " F15TnSetTscFreqSel\n"); + + //TscFreqSel: TSC frequency select. Read-only. Reset: 1. 1=The TSC increments at the P0 frequency. + //This field uses software P-state numbering. + return; +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Family specific call to get Pstate Transition Latency. + * + * Calculate TransitionLatency by power step value and pll value. + * + * @param[in] PstateCpuServices Pstate CPU services. + * @param[in] PStateLevelingBufferStructPtr Pstate row data buffer pointer + * @param[in] PciAddress Pci address + * @param[out] TransitionLatency The transition latency. + * @param[in] StdHeader Header for library and services + * + * @retval AGESA_SUCCESS Always succeeds. + */ +AGESA_STATUS +F15TnGetPstateTransLatency ( + IN PSTATE_CPU_FAMILY_SERVICES *PstateCpuServices, + IN PSTATE_LEVELING *PStateLevelingBufferStructPtr, + IN PCI_ADDR *PciAddress, + OUT UINT32 *TransitionLatency, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 TempVar_b; + UINT32 TempVar_c; + UINT32 TempVar_d; + UINT32 TempVar8_a; + UINT32 TempVar8_b; + UINT32 Ignored; + UINT32 k; + UINT32 CpuFidSameFlag; + UINT8 PStateMaxValueOnCurrentCore; + UINT32 TransAndBusMastLatency; + + IDS_HDT_CONSOLE (CPU_TRACE, " F15TnGetPstateTransLatency\n"); + + CpuFidSameFlag = 1; + + F15TnGetFrequencyXlatRegInfo ( + PstateCpuServices, + 0, + PStateLevelingBufferStructPtr->PStateCoreStruct[0].PStateStruct[0].CoreFreq, + &TempVar_b, + &TempVar_c, + &Ignored, + StdHeader + ); + + TempVar_d = TempVar_b; + PStateMaxValueOnCurrentCore = PStateLevelingBufferStructPtr->PStateCoreStruct[0].PStateMaxValue; + + // + //Check if MSRC001_00[6B:64][CpuFid] is the same value for all P-states where + //MSRC001_00[6B:64][PstateEn]=1 + // + for (k = 1; k <= PStateMaxValueOnCurrentCore; k++) { + if (PStateLevelingBufferStructPtr->PStateCoreStruct[0].PStateStruct[k].PStateEnable != 0) { + F15TnGetFrequencyXlatRegInfo ( + PstateCpuServices, + (UINT8) k, + PStateLevelingBufferStructPtr->PStateCoreStruct[0].PStateStruct[k].CoreFreq, + &TempVar_b, + &TempVar_c, + &Ignored, + StdHeader + ); + } + + if (TempVar_d != TempVar_b) { + CpuFidSameFlag = 0; + break; + } + } + + PciAddress->Address.Register = 0xD4; + PciAddress->Address.Function = FUNC_3; + LibAmdPciRead (AccessWidth32, *PciAddress, &TempVar_d, StdHeader); + + // PowerStepDown - Bits 20:23 + TempVar8_a = (TempVar_d & 0x00F00000) >> 20; + + // PowerStepUp - Bits 24:27 + TempVar8_b = (TempVar_d & 0x0F000000) >> 24; + + // Convert the raw numbers in TempVar8_a and TempVar8_b into time + F15TnGetPowerStepValueInTime (&TempVar8_a); + F15TnGetPowerStepValueInTime (&TempVar8_b); + + // + //(12 * (F3xD4[PowerStepDown] + F3xD4[PowerStepUp]) /1000) us + // + TransAndBusMastLatency = + (12 * (TempVar8_a + TempVar8_b) + 999) / 1000; + + if (CpuFidSameFlag == 0) { + // + //+ F3xA0[PllLockTime] + // + PciAddress->Address.Register = 0xA0; + LibAmdPciRead (AccessWidth32, *PciAddress, &TempVar_d, StdHeader); + + TempVar8_a = (0x00003800 & TempVar_d) >> 11; + F15TnGetPllValueInTime (&TempVar8_a); + TransAndBusMastLatency += TempVar8_a; + } + + *TransitionLatency = TransAndBusMastLatency; + + return (AGESA_SUCCESS); +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Family specific call to calculates the frequency in megahertz of the desired P-state. + * + * @param[in] PstateCpuServices Pstate CPU services. + * @param[in] StateNumber The P-State to analyze. + * @param[out] FrequencyInMHz The P-State's frequency in MegaHertz + * @param[in] StdHeader Header for library and services + * + * @retval AGESA_SUCCESS Always Succeeds. + */ +AGESA_STATUS +F15TnGetPstateFrequency ( + IN PSTATE_CPU_FAMILY_SERVICES *PstateCpuServices, + IN UINT8 StateNumber, + OUT UINT32 *FrequencyInMHz, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT8 TempValue; + UINT32 CpuDid; + UINT32 CpuFid; + UINT64 LocalMsrRegister; + + IDS_HDT_CONSOLE (CPU_TRACE, " F15TnGetPstateFrequency - P%d\n", StateNumber); + + ASSERT (StateNumber < NM_PS_REG); + LibAmdMsrRead (PS_REG_BASE + (UINT32) StateNumber, &LocalMsrRegister, StdHeader); + ASSERT (((PSTATE_MSR *) &LocalMsrRegister)->PsEnable == 1); + CpuDid = (UINT32) (((PSTATE_MSR *) &LocalMsrRegister)->CpuDid); + CpuFid = (UINT32) (((PSTATE_MSR *) &LocalMsrRegister)->CpuFid); + + switch (CpuDid) { + case 0: + TempValue = 1; + break; + case 1: + TempValue = 2; + break; + case 2: + TempValue = 4; + break; + case 3: + TempValue = 8; + break; + case 4: + TempValue = 16; + break; + default: + // CpuDid is set to an undefined value. This is due to either a misfused CPU, or + // an invalid P-state MSR write. + ASSERT (FALSE); + TempValue = 1; + break; + } + *FrequencyInMHz = (100 * (CpuFid + 0x10) / TempValue); + IDS_HDT_CONSOLE (CPU_TRACE, " FrequencyInMHz=%d, CpuFid=%d, CpuDid=%d\n", *FrequencyInMHz, CpuFid, CpuDid); + + return (AGESA_SUCCESS); +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Family specific call to calculates the power in milliWatts of the desired P-state. + * + * @param[in] PstateCpuServices Pstate CPU services. + * @param[in] StateNumber Which P-state to analyze + * @param[out] PowerInMw The Power in milliWatts of that P-State + * @param[in] StdHeader Header for library and services + * + * @retval AGESA_SUCCESS Always succeeds. + */ +AGESA_STATUS +F15TnGetPstatePower ( + IN PSTATE_CPU_FAMILY_SERVICES *PstateCpuServices, + IN UINT8 StateNumber, + OUT UINT32 *PowerInMw, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 CpuVid; + UINT32 IddValue; + UINT32 IddDiv; + UINT32 V_x100000; + UINT32 Power; + UINT64 LocalMsrRegister; + + IDS_HDT_CONSOLE (CPU_TRACE, " F15TnGetPstatePower - P%d\n", StateNumber); + + ASSERT (StateNumber < NM_PS_REG); + LibAmdMsrRead (PS_REG_BASE + (UINT32) StateNumber, &LocalMsrRegister, StdHeader); + ASSERT (((PSTATE_MSR *) &LocalMsrRegister)->PsEnable == 1); + CpuVid = (UINT32) (((PSTATE_MSR *) &LocalMsrRegister)->CpuVid); + IddValue = (UINT32) (((PSTATE_MSR *) &LocalMsrRegister)->IddValue); + IddDiv = (UINT32) (((PSTATE_MSR *) &LocalMsrRegister)->IddDiv); + + if (CpuVid >= 0xF8) { + V_x100000 = 0; + } else { + V_x100000 = 155000L - (625L * CpuVid); + } + + Power = V_x100000 * IddValue; + + switch (IddDiv) { + case 0: + *PowerInMw = Power / 100L; + break; + case 1: + *PowerInMw = Power / 1000L; + break; + case 2: + *PowerInMw = Power / 10000L; + break; + default: + // IddDiv is set to an undefined value. This is due to either a misfused CPU, or + // an invalid P-state MSR write. + ASSERT (FALSE); + *PowerInMw = 0; + break; + } + IDS_HDT_CONSOLE (CPU_TRACE, " PowerInMw=%d, CpuVid=%d, IddValue=%d, IddDiv=%d\n", *PowerInMw, CpuVid, IddValue, IddDiv); + + return (AGESA_SUCCESS); +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Family specific call to get CPU pstate max state. + * + * @param[in] PstateCpuServices Pstate CPU services. + * @param[out] MaxPStateNumber The max hw pstate value on the current socket. + * @param[out] NumberOfBoostStates The number of boosted P-states on the current socket. + * @param[in] StdHeader Handle of Header for calling lib functions and services. + * + * @retval AGESA_SUCCESS Always succeeds. + */ +AGESA_STATUS +F15TnGetPstateMaxState ( + IN PSTATE_CPU_FAMILY_SERVICES *PstateCpuServices, + OUT UINT32 *MaxPStateNumber, + OUT UINT8 *NumberOfBoostStates, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 NumBoostStates; + UINT64 MsrValue; + UINT32 LocalPciRegister; + PCI_ADDR PciAddress; + + IDS_HDT_CONSOLE (CPU_TRACE, " F15TnGetPstateMaxState\n"); + + LocalPciRegister = 0; + + // For F15 Trinity CPU, skip boosted p-state. The boosted p-state number = F4x15C[NumBoostStates]. + PciAddress.AddressValue = CPB_CTRL_PCI_ADDR; + LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); // F4x15C + + NumBoostStates = ((CPB_CTRL_REGISTER *) &LocalPciRegister)->NumBoostStates; + *NumberOfBoostStates = (UINT8) NumBoostStates; + + // + // Read PstateMaxVal [6:4] from MSR C001_0061 + // So, we will know the max pstate state in this socket. + // + LibAmdMsrRead (MSR_PSTATE_CURRENT_LIMIT, &MsrValue, StdHeader); + *MaxPStateNumber = (UINT32) (((PSTATE_CURLIM_MSR *) &MsrValue)->PstateMaxVal) + NumBoostStates; + IDS_HDT_CONSOLE (CPU_TRACE, " MaxPStateNumber=%d, NumBoostStates=%d\n", *MaxPStateNumber, NumBoostStates); + + return (AGESA_SUCCESS); +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Family specific call to get CPU pstate register information. + * + * @param[in] PstateCpuServices Pstate CPU services. + * @param[in] PState Input Pstate number for query. + * @param[out] PStateEnabled Boolean flag return pstate enable. + * @param[in,out] IddVal Pstate current value. + * @param[in,out] IddDiv Pstate current divisor. + * @param[out] SwPstateNumber Software P-state number. + * @param[in] StdHeader Handle of Header for calling lib functions and services. + * + * @retval AGESA_SUCCESS Always succeeds. + */ +AGESA_STATUS +F15TnGetPstateRegisterInfo ( + IN PSTATE_CPU_FAMILY_SERVICES *PstateCpuServices, + IN UINT32 PState, + OUT BOOLEAN *PStateEnabled, + IN OUT UINT32 *IddVal, + IN OUT UINT32 *IddDiv, + OUT UINT32 *SwPstateNumber, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 LocalPciRegister; + UINT64 LocalMsrRegister; + PCI_ADDR PciAddress; + + IDS_HDT_CONSOLE (CPU_TRACE, " F15TnGetPstateRegisterInfo - P%d\n", PState); + + ASSERT (PState < NM_PS_REG); + + // For F15 Trinity CPU, skip boosted p-state. The boosted p-state number = F4x15C[NumBoostStates]. + PciAddress.AddressValue = CPB_CTRL_PCI_ADDR; + LibAmdPciRead (AccessWidth32, PciAddress, &LocalPciRegister, StdHeader); // F4x15C + + // Read PSTATE MSRs + LibAmdMsrRead (PS_REG_BASE + (UINT32) PState, &LocalMsrRegister, StdHeader); + + *SwPstateNumber = PState; + + if (((PSTATE_MSR *) &LocalMsrRegister)->PsEnable == 1) { + // PState enable = bit 63 + *PStateEnabled = TRUE; + // + // Check input pstate belongs to Boosted-Pstate, if yes, return *PStateEnabled = FALSE. + // + if (PState < ((CPB_CTRL_REGISTER *) &LocalPciRegister)->NumBoostStates) { + *PStateEnabled = FALSE; + } else { + *SwPstateNumber = PState - ((CPB_CTRL_REGISTER *) &LocalPciRegister)->NumBoostStates; + } + IDS_HDT_CONSOLE (CPU_TRACE, " Pstate %d is enabled. SwPstateNumber=%d\n", PState, *SwPstateNumber); + } else { + *PStateEnabled = FALSE; + } + + // Bits 39:32 (high 32 bits [7:0]) + *IddVal = (UINT32) ((PSTATE_MSR *) &LocalMsrRegister)->IddValue; + // Bits 41:40 (high 32 bits [9:8]) + *IddDiv = (UINT32) ((PSTATE_MSR *) &LocalMsrRegister)->IddDiv; + + IDS_HDT_CONSOLE (CPU_TRACE, " IddVal=%d, IddDiv=%d\n", *IddVal, *IddDiv); + return (AGESA_SUCCESS); +} + + +CONST PSTATE_CPU_FAMILY_SERVICES ROMDATA F15TnPstateServices = +{ + 0, + (PF_PSTATE_PSD_IS_NEEDED) CommonReturnTrue, + F15TnIsPstatePsdDependent, + F15TnSetTscFreqSel, + F15TnGetPstateTransLatency, + F15TnGetPstateFrequency, + (PF_CPU_SET_PSTATE_LEVELING_REG) CommonReturnAgesaSuccess, + F15TnGetPstatePower, + F15TnGetPstateMaxState, + F15TnGetPstateRegisterInfo +}; + + +/*--------------------------------------------------------------------------------------- + * L O C A L F U N C T I O N S + *--------------------------------------------------------------------------------------- + */ + + +/** + *--------------------------------------------------------------------------------------- + * + * F15TnGetPowerStepValueInTime + * + * Description: + * Convert power step value in time + * + * Parameters: + * @param[out] *PowerStepPtr + * + * @retval VOID + * + *--------------------------------------------------------------------------------------- + **/ +VOID +STATIC +F15TnGetPowerStepValueInTime ( + IN OUT UINT32 *PowerStepPtr + ) +{ + UINT32 TempVar_a; + + IDS_HDT_CONSOLE (CPU_TRACE, " F15TnGetPowerStepValueInTime\n"); + + TempVar_a = *PowerStepPtr; + + if (TempVar_a < 0x4) { + *PowerStepPtr = 400 - (TempVar_a * 100); + } else if (TempVar_a < 0x9) { + *PowerStepPtr = 130 - (TempVar_a * 10); + } else { + *PowerStepPtr = 90 - (TempVar_a * 5); + } + IDS_HDT_CONSOLE (CPU_TRACE, " PowerStepPtr=%d\n", *PowerStepPtr); +} + +/** + *--------------------------------------------------------------------------------------- + * + * F15TnGetPllValueInTime + * + * Description: + * Convert PLL Value in time + * + * Parameters: + * @param[out] *PllLockTimePtr + * + * @retval VOID + * + *--------------------------------------------------------------------------------------- + **/ +VOID +STATIC +F15TnGetPllValueInTime ( + IN OUT UINT32 *PllLockTimePtr + ) +{ + IDS_HDT_CONSOLE (CPU_TRACE, " F15TnGetPllValueInTime\n"); + + if (*PllLockTimePtr < 4) { + *PllLockTimePtr = *PllLockTimePtr + 1; + } else if (*PllLockTimePtr == 4) { + *PllLockTimePtr = 8; + } else if (*PllLockTimePtr == 5) { + *PllLockTimePtr = 16; + } else + *PllLockTimePtr = 0; + IDS_HDT_CONSOLE (CPU_TRACE, " PllLockTimePtr=%d\n", *PllLockTimePtr); +} + +/*---------------------------------------------------------------------------------------*/ +/** + * This function will return the CpuFid and CpuDid in MHz, using the formula + * described in the BKDG MSRC001_00[68:64] P-State [4:0] Registers:bit 8:0 + * + * @param[in] PstateCpuServices The current Family Specific Services. + * @param[in] PStateNumber P-state number to check. + * @param[in] Frequency Leveled target frequency for PStateNumber. + * @param[out] *CpuFidPtr New leveled FID. + * @param[out] *CpuDidPtr1 New leveled DID info 1. + * @param[out] *CpuDidPtr2 New leveled DID info 2. + * @param[in] *StdHeader Header for library and services. + * + * @retval AGESA_WARNING This P-State does not need to be modified. + * @retval AGESA_SUCCESS This P-State must be modified to be level. + */ +AGESA_STATUS +STATIC +F15TnGetFrequencyXlatRegInfo ( + IN PSTATE_CPU_FAMILY_SERVICES *PstateCpuServices, + IN UINT8 PStateNumber, + IN UINT32 Frequency, + OUT UINT32 *CpuFidPtr, + OUT UINT32 *CpuDidPtr1, + OUT UINT32 *CpuDidPtr2, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 i; + UINT32 j; + AGESA_STATUS Status; + UINT32 FrequencyInMHz; + + IDS_HDT_CONSOLE (CPU_TRACE, " F15TnGetFrequencyXlatRegInfo - PstateNumber=%d, Frequency=%d\n", PStateNumber, Frequency); + + FrequencyInMHz = 0; + *CpuDidPtr2 = 0xFFFF; + + Status = AGESA_SUCCESS; + + PstateCpuServices->GetPstateFrequency (PstateCpuServices, PStateNumber, &FrequencyInMHz, StdHeader); + if (FrequencyInMHz == Frequency) { + Status |= AGESA_WARNING; + } + + // CPU Frequency = 100 MHz * (CpuFid + 10h) / (2^CpuDid) + // In this for loop i = 2^CpuDid + + + for (i = 1; i < 17; (i += i)) { + for (j = 0; j < 64; j++) { + if (Frequency == ((100 * (j + 0x10)) / i )) { + *CpuFidPtr = j; + if (i == 1) { + *CpuDidPtr1 = 0; + } else if (i == 2) { + *CpuDidPtr1 = 1; + } else if (i == 4) { + *CpuDidPtr1 = 2; + } else if (i == 8) { + *CpuDidPtr1 = 3; + } else if (i == 16) { + *CpuDidPtr1 = 4; + } else { + *CpuFidPtr = 0xFFFF; + *CpuDidPtr1 = 0xFFFF; + } + IDS_HDT_CONSOLE (CPU_TRACE, " CpuFidPtr=%d, CpuDidPtr1=0x%x, CpuDidPtr2=0x%x\n", *CpuFidPtr, *CpuDidPtr1, *CpuDidPtr2); + // Success + return Status; + } + } + } + + // Error Condition + *CpuFidPtr = 0x00FF; + *CpuDidPtr1 = 0x00FF; + *CpuDidPtr2 = 0x00FF; + + IDS_HDT_CONSOLE (CPU_TRACE, " CpuFidPtr=%d, CpuDidPtr1=0x%x, CpuDidPtr2=0x%x\n", *CpuFidPtr, *CpuDidPtr1, *CpuDidPtr2); + return AGESA_ERROR; +} + |