diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/F10PmNbCofVidInit.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/F10PmNbCofVidInit.c | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/F10PmNbCofVidInit.c b/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/F10PmNbCofVidInit.c new file mode 100644 index 0000000000..9b99f15f72 --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/F10PmNbCofVidInit.c @@ -0,0 +1,300 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD Family_10 NB COF VID Initialization + * + * Performs the "BIOS Northbridge COF and VID Configuration" as + * described in the BKDG. + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: CPU/F10 + * @e \$Revision: 35136 $ @e \$Date: 2010-07-16 11:29:48 +0800 (Fri, 16 Jul 2010) $ + * + */ +/* + ***************************************************************************** + * + * Copyright (c) 2011, 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 "cpuRegisters.h" +#include "cpuF10PowerMgmt.h" +#include "cpuApicUtilities.h" +#include "OptionMultiSocket.h" +#include "cpuServices.h" +#include "GeneralServices.h" +#include "cpuFamilyTranslation.h" +#include "cpuF10Utilities.h" +#include "cpuCommonF10Utilities.h" +#include "F10PmNbCofVidInit.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE PROC_CPU_FAMILY_0X10_F10PMNBCOFVIDINIT_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 + *---------------------------------------------------------------------------------------- + */ +/// Structure used for performing the steps outlined in +/// the NB COFVID configuration sequence +typedef struct { + UINT8 NewNbVid; ///< Destination NB VID code + BOOLEAN NbVidUpdateAll; ///< Status of NbVidUpdateAll +} NB_COF_VID_INIT_WARM; + +/*---------------------------------------------------------------------------------------- + * 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 +PmNbCofVidInitP0P1Core ( + IN VOID *NewNbVid, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +VOID +STATIC +PmNbCofVidInitWarmCore ( + IN VOID *FunctionData, + 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; + +/*---------------------------------------------------------------------------------------*/ +/** + * Family 10h core 0 entry point for performing the "Northbridge COF and + * VID Configuration" algorithm. + * + * The steps are as follows: + * 1. Determine if the algorithm is necessary by checking if all NB FIDs + * match in the coherent fabric. If so, check to see if NbCofVidUpdate + * is zero for all CPUs. If that is also true, no further steps are + * necessary. If not + cold reset, proceed to step 2. If not + warm + * reset, proceed to step 8. + * 2. Determine NewNbVid & NewNbFid. + * 3. Copy Startup Pstate settings to P0/P1 MSRs on all local cores. + * 4. Copy NewNbVid to P0 NbVid on all local cores. + * 5. Transition to P1 on all local cores. + * 6. Transition to P0 on local core 0 only. + * 7. Copy NewNbFid to F3xD4[NbFid], set NbFidEn, and issue a warm reset. + * 8. Update all enabled Pstate MSRs' NbVids according to NbVidUpdateAll + * on all local cores. + * 9. Transition to Startup Pstate on all local cores. + * + * @param[in] FamilySpecificServices The current Family Specific Services. + * @param[in] CpuEarlyParamsPtr Service related parameters (unused). + * @param[in] StdHeader Config handle for library and services. + * + */ +VOID +F10PmNbCofVidInit ( + IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, + IN AMD_CPU_EARLY_PARAMS *CpuEarlyParamsPtr, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + BOOLEAN PerformNbCofVidCfg; + BOOLEAN NotUsed; + BOOLEAN SystemNbCofsMatch; + UINT8 NewNbFid; + UINT8 NewNbVid; + UINT32 Socket; + UINT32 Module; + UINT32 Core; + UINT32 SystemNbCof; + UINT32 AndMask; + UINT32 OrMask; + UINT32 Ignored; + UINT32 NewNbVoltage; + UINT32 FrequencyDivisor; + WARM_RESET_REQUEST Request; + AP_TASK TaskPtr; + PCI_ADDR PciAddress; + AGESA_STATUS IgnoredSts; + NB_COF_VID_INIT_WARM FunctionData; + + PerformNbCofVidCfg = TRUE; + OptionMultiSocketConfiguration.GetSystemNbPstateSettings ((UINT32) 0, &CpuEarlyParamsPtr->PlatformConfig, &SystemNbCof, &FrequencyDivisor, &SystemNbCofsMatch, &NotUsed, StdHeader); + if (SystemNbCofsMatch) { + if (!OptionMultiSocketConfiguration.GetSystemNbCofVidUpdate (StdHeader)) { + PerformNbCofVidCfg = FALSE; + } + } + if (PerformNbCofVidCfg) { + // get the local node ID + IdentifyCore (StdHeader, &Socket, &Module, &Core, &IgnoredSts); + GetPciAddress (StdHeader, Socket, Module, &PciAddress, &IgnoredSts); + + ASSERT (Core == 0); + + // get NewNbVid + FamilySpecificServices->GetNbPstateInfo (FamilySpecificServices, + &CpuEarlyParamsPtr->PlatformConfig, + &PciAddress, + (UINT32) 0, + &Ignored, + &Ignored, + &NewNbVoltage, + StdHeader); + ASSERT (((1550000 - NewNbVoltage) % 12500) == 0); + NewNbVid = (UINT8) ((1550000 - NewNbVoltage) / 12500); + ASSERT (NewNbVid < 0x80); + + if (!(IsWarmReset (StdHeader))) { + + // determine NewNbFid + NewNbFid = (UINT8) ((SystemNbCof / 200) - 4); + + TaskPtr.FuncAddress.PfApTaskI = PmNbCofVidInitP0P1Core; + TaskPtr.DataTransfer.DataSizeInDwords = 1; + TaskPtr.DataTransfer.DataPtr = &NewNbVid; + TaskPtr.DataTransfer.DataTransferFlags = 0; + TaskPtr.ExeFlags = 0; + ApUtilRunCodeOnAllLocalCoresAtEarly (&TaskPtr, StdHeader, CpuEarlyParamsPtr); + + // Transition core 0 to P0 and wait for change to complete + FamilySpecificServices->TransitionPstate (FamilySpecificServices, (UINT8) 0, (BOOLEAN) TRUE, StdHeader); + + PciAddress.Address.Register = CPTC0_REG; + AndMask = 0xFFFFFFFF; + ((CLK_PWR_TIMING_CTRL_REGISTER *) &AndMask)->NbFid = 0; + OrMask = 0x00000000; + ((CLK_PWR_TIMING_CTRL_REGISTER *) &OrMask)->NbFid = NewNbFid; + ((CLK_PWR_TIMING_CTRL_REGISTER *) &OrMask)->NbFidEn = 1; + ModifyCurrentSocketPci (&PciAddress, AndMask, OrMask, StdHeader); + + // warm reset request + GetWarmResetFlag (StdHeader, &Request); + Request.RequestBit = TRUE; + Request.StateBits = Request.PostStage - 1; + SetWarmResetFlag (StdHeader, &Request); + } else { + // warm reset path + + FunctionData.NewNbVid = NewNbVid; + FamilySpecificServices->IsNbCofInitNeeded (FamilySpecificServices, &PciAddress, &FunctionData.NbVidUpdateAll, StdHeader); + + TaskPtr.FuncAddress.PfApTaskI = PmNbCofVidInitWarmCore; + TaskPtr.DataTransfer.DataSizeInDwords = SIZE_IN_DWORDS (NB_COF_VID_INIT_WARM); + TaskPtr.DataTransfer.DataPtr = &FunctionData; + TaskPtr.DataTransfer.DataTransferFlags = 0; + TaskPtr.ExeFlags = WAIT_FOR_CORE; + ApUtilRunCodeOnAllLocalCoresAtEarly (&TaskPtr, StdHeader, CpuEarlyParamsPtr); + } + } // skip whole algorithm +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Cold reset support routine for F10PmNbCofVidInit. + * + * This function implements steps 3, 4, & 5 on each core. + * + * @param[in] NewNbVid NewNbVid determined by core 0 in step 2. + * @param[in] StdHeader Config handle for library and services. + * + */ +VOID +STATIC +PmNbCofVidInitP0P1Core ( + IN VOID *NewNbVid, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 MsrAddress; + UINT64 MsrRegister; + CPU_SPECIFIC_SERVICES *FamilySpecificServices; + + GetCpuServicesOfCurrentCore (&FamilySpecificServices, StdHeader); + LibAmdMsrRead (MSR_COFVID_STS, &MsrRegister, StdHeader); + MsrAddress = (UINT32) ((((COFVID_STS_MSR *) &MsrRegister)->StartupPstate) + PS_REG_BASE); + LibAmdMsrRead (MsrAddress, &MsrRegister, StdHeader); + LibAmdMsrWrite ((UINT32) (PS_REG_BASE + 1), &MsrRegister, StdHeader); + ((PSTATE_MSR *) &MsrRegister)->NbVid = *(UINT8 *) NewNbVid; + LibAmdMsrWrite (PS_REG_BASE, &MsrRegister, StdHeader); + FamilySpecificServices->TransitionPstate (FamilySpecificServices, (UINT8) 1, (BOOLEAN) FALSE, StdHeader); +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Warm reset support routine for F10PmNbCofVidInit. + * + * This function implements steps 8 & 9 on each core. + * + * @param[in] FunctionData Contains NewNbVid determined by core 0 in step + * 2, and NbVidUpdateAll. + * @param[in] StdHeader Config handle for library and services. + * + */ +VOID +STATIC +PmNbCofVidInitWarmCore ( + IN VOID *FunctionData, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 MsrAddress; + UINT64 MsrRegister; + CPU_SPECIFIC_SERVICES *FamilySpecificServices; + + GetCpuServicesOfCurrentCore (&FamilySpecificServices, StdHeader); + for (MsrAddress = PS_REG_BASE; MsrAddress <= PS_MAX_REG; MsrAddress++) { + LibAmdMsrRead (MsrAddress, &MsrRegister, StdHeader); + if (((PSTATE_MSR *) &MsrRegister)->IddValue != 0) { + if ((((PSTATE_MSR *) &MsrRegister)->NbDid == 0) || ((NB_COF_VID_INIT_WARM *) FunctionData)->NbVidUpdateAll) { + ((PSTATE_MSR *) &MsrRegister)->NbVid = ((NB_COF_VID_INIT_WARM *) FunctionData)->NewNbVid; + LibAmdMsrWrite (MsrAddress, &MsrRegister, StdHeader); + } + } + } +} + |