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Diffstat (limited to 'src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/KB/F16KbPstate.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/KB/F16KbPstate.c | 613 |
1 files changed, 613 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/KB/F16KbPstate.c b/src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/KB/F16KbPstate.c new file mode 100644 index 0000000000..38913c1d7a --- /dev/null +++ b/src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/KB/F16KbPstate.c @@ -0,0 +1,613 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD Family_16 Kabini 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/0x16/KB + * @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 "cpuPstateTables.h" +#include "cpuRegisters.h" +#include "Table.h" +#include "cpuFamilyTranslation.h" +#include "cpuFamRegisters.h" +#include "cpuF16Utilities.h" +#include "F16KbUtilities.h" +#include "cpuF16PowerMgmt.h" +#include "F16KbPowerMgmt.h" +#include "CommonReturns.h" +#include "Filecode.h" +CODE_GROUP (G3_DXE) +RDATA_GROUP (G3_DXE) + +#define FILECODE PROC_CPU_FAMILY_0X16_KB_F16KBPSTATE_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 +F16KbGetPowerStepValueInTime ( + IN OUT UINT32 *PowerStepPtr + ); + +VOID +STATIC +F16KbGetPllValueInTime ( + IN OUT UINT32 *PllLockTimePtr + ); + + +AGESA_STATUS +F16KbGetPstateTransLatency ( + IN PSTATE_CPU_FAMILY_SERVICES *PstateCpuServices, + IN PSTATE_LEVELING *PStateLevelingBufferStructPtr, + IN PCI_ADDR *PciAddress, + OUT UINT32 *TransitionLatency, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +AGESA_STATUS +F16KbGetPstateFrequency ( + IN PSTATE_CPU_FAMILY_SERVICES *PstateCpuServices, + IN UINT8 StateNumber, + OUT UINT32 *FrequencyInMHz, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +AGESA_STATUS +F16KbGetPstatePower ( + IN PSTATE_CPU_FAMILY_SERVICES *PstateCpuServices, + IN UINT8 StateNumber, + OUT UINT32 *PowerInMw, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +AGESA_STATUS +F16KbGetPstateMaxState ( + IN PSTATE_CPU_FAMILY_SERVICES *PstateCpuServices, + OUT UINT32 *MaxPStateNumber, + OUT UINT8 *NumberOfBoostStates, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +AGESA_STATUS +F16KbGetPstateRegisterInfo ( + 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 +F16KbIsPstatePsdDependent ( + IN PSTATE_CPU_FAMILY_SERVICES *PstateCpuServices, + IN OUT PLATFORM_CONFIGURATION *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + IDS_HDT_CONSOLE (CPU_TRACE, " F16KbIsPstatePsdDependent\n"); + // Family 16h KB defaults to independent PSD + IDS_HDT_CONSOLE (CPU_TRACE, " P-state PSD is independent.\n"); + return FALSE; +} + +/*---------------------------------------------------------------------------------------*/ +/** + * 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 +F16KbGetPstateTransLatency ( + IN PSTATE_CPU_FAMILY_SERVICES *PstateCpuServices, + IN PSTATE_LEVELING *PStateLevelingBufferStructPtr, + IN PCI_ADDR *PciAddress, + OUT UINT32 *TransitionLatency, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 CpuFid; + UINT32 HwP0CpuFid; + UINT32 PowerStepDown; + UINT32 PowerStepUp; + UINT32 PllLockTime; + UINT32 LocalPciRegister; + UINT32 k; + UINT32 PStateMaxValueOnCurrentCore; + UINT32 TransAndBusMastLatency; + UINT64 MsrData; + BOOLEAN CpuFidSameFlag; + + IDS_HDT_CONSOLE (CPU_TRACE, " F16KbGetPstateTransLatency\n"); + + CpuFidSameFlag = TRUE; + HwP0CpuFid = 0; + + // Get PStateMaxValue + PciAddress->Address.Register = CPTC2_REG; + PciAddress->Address.Function = FUNC_3; + LibAmdPciRead (AccessWidth32, *PciAddress, &LocalPciRegister, StdHeader); + PStateMaxValueOnCurrentCore = ((CLK_PWR_TIMING_CTRL2_REGISTER *) &LocalPciRegister)->HwPstateMaxVal; + + // + //Check if MSRC001_00[6B:64][CpuFid] is the same value for all P-states + // + for (k = 0; k <= PStateMaxValueOnCurrentCore; k++) { + LibAmdMsrRead ((MSR_PSTATE_0 + k), &MsrData, StdHeader); + CpuFid = (UINT32) (((PSTATE_MSR *) &MsrData)->CpuFid); + if (k == 0) { + HwP0CpuFid = CpuFid; + } + if (HwP0CpuFid != CpuFid) { + CpuFidSameFlag = FALSE; + break; + } + } + + PciAddress->Address.Register = CPTC0_REG; + PciAddress->Address.Function = FUNC_3; + LibAmdPciRead (AccessWidth32, *PciAddress, &LocalPciRegister, StdHeader); + + // PowerStepDown - Bits 20:23 + PowerStepDown = ((CLK_PWR_TIMING_CTRL_REGISTER *) &LocalPciRegister)->PowerStepDown; + + // PowerStepUp - Bits 24:27 + PowerStepUp = ((CLK_PWR_TIMING_CTRL_REGISTER *) &LocalPciRegister)->PowerStepUp; + + // Convert the raw numbers in TempVar8_a and TempVar8_b into time + F16KbGetPowerStepValueInTime (&PowerStepDown); + F16KbGetPowerStepValueInTime (&PowerStepUp); + + // + //(15 * (F3xD4[PowerStepDown] + F3xD4[PowerStepUp]) /1000) us + // + TransAndBusMastLatency = + (15 * (PowerStepDown + PowerStepUp) + 999) / 1000; + + if (!CpuFidSameFlag) { + // + //+ F3xA0[PllLockTime] + // + PciAddress->Address.Register = PW_CTL_MISC_REG; + LibAmdPciRead (AccessWidth32, *PciAddress, &LocalPciRegister, StdHeader); + + PllLockTime = ((POWER_CTRL_MISC_REGISTER *) &LocalPciRegister)->PllLockTime; + F16KbGetPllValueInTime (&PllLockTime); + TransAndBusMastLatency += PllLockTime; + } + + *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 +F16KbGetPstateFrequency ( + 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; + PCI_ADDR PciAddress; + HTC_REGISTER HtcReg; + CLK_PWR_TIMING_CTRL2_REGISTER ClkPwrTimingCtrl2; + + + IDS_HDT_CONSOLE (CPU_TRACE, " F16KbGetPstateFrequency - P%d\n", StateNumber); + + PciAddress.AddressValue = CPTC2_PCI_ADDR; + LibAmdPciRead (AccessWidth32, PciAddress, &ClkPwrTimingCtrl2, StdHeader); + + PciAddress.AddressValue = HTC_PCI_ADDR; + LibAmdPciRead (AccessWidth32, PciAddress, &HtcReg, StdHeader); + + ASSERT ((StateNumber <= ClkPwrTimingCtrl2.HwPstateMaxVal) || ((StateNumber == HtcReg.HtcPstateLimit))); + + LibAmdMsrRead (PS_REG_BASE + (UINT32) StateNumber, &LocalMsrRegister, StdHeader); + + 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 +F16KbGetPstatePower ( + 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, " F16KbGetPstatePower - 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 +F16KbGetPstateMaxState ( + 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, " F16KbGetPstateMaxState\n"); + + LocalPciRegister = 0; + + // For F16 Kabini 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 +F16KbGetPstateRegisterInfo ( + 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, " F16KbGetPstateRegisterInfo - P%d\n", PState); + + ASSERT (PState < NM_PS_REG); + + // For F16 Kabini 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 F16KbPstateServices = +{ + 0, + (PF_PSTATE_PSD_IS_NEEDED) CommonReturnTrue, + F16KbIsPstatePsdDependent, + F16KbGetPstateTransLatency, + F16KbGetPstateFrequency, + (PF_CPU_SET_PSTATE_LEVELING_REG) CommonReturnAgesaSuccess, + F16KbGetPstatePower, + F16KbGetPstateMaxState, + F16KbGetPstateRegisterInfo +}; + + +/*--------------------------------------------------------------------------------------- + * L O C A L F U N C T I O N S + *--------------------------------------------------------------------------------------- + */ + + +/** + *--------------------------------------------------------------------------------------- + * + * F16KbGetPowerStepValueInTime + * + * Description: + * Convert power step value in time + * + * Parameters: + * @param[out] *PowerStepPtr + * + * @retval VOID + * + *--------------------------------------------------------------------------------------- + **/ +VOID +STATIC +F16KbGetPowerStepValueInTime ( + IN OUT UINT32 *PowerStepPtr + ) +{ + UINT32 TempVar_a; + + IDS_HDT_CONSOLE (CPU_TRACE, " F16KbGetPowerStepValueInTime\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); +} + +/** + *--------------------------------------------------------------------------------------- + * + * F16KbGetPllValueInTime + * + * Description: + * Convert PLL Value in time + * + * Parameters: + * @param[out] *PllLockTimePtr + * + * @retval VOID + * + *--------------------------------------------------------------------------------------- + **/ +VOID +STATIC +F16KbGetPllValueInTime ( + IN OUT UINT32 *PllLockTimePtr + ) +{ + IDS_HDT_CONSOLE (CPU_TRACE, " F16KbGetPllValueInTime\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); +} + + |