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/* $NoKeywords:$ */
/**
* @file
*
* AMD Family_15 OR early sample support.
*
* Provides the code and data required to support pre-production silicon.
*
* @xrefitem bom "File Content Label" "Release Content"
* @e project: AGESA
* @e sub-project: CPU/Family/0x15/OR
* @e \$Revision: 56279 $ @e \$Date: 2011-07-11 13:11:28 -0600 (Mon, 11 Jul 2011) $
*
*/
/*
*****************************************************************************
*
* Copyright (C) 2012 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 "Ids.h"
#include "cpuRegisters.h"
#include "Table.h"
#include "cpuEarlyInit.h"
#include "cpuFamilyTranslation.h"
#include "F15OrUtilities.h"
#include "cpuF15Utilities.h"
#include "cpuF15PowerMgmt.h"
#include "cpuF15OrPowerMgmt.h"
#include "GeneralServices.h"
#include "OptionMultiSocket.h"
#include "Filecode.h"
CODE_GROUP (G3_DXE)
RDATA_GROUP (G3_DXE)
#define FILECODE PROC_CPU_FAMILY_0X15_OR_F15OREARLYSAMPLES_FILECODE
/*----------------------------------------------------------------------------------------
* D E F I N I T I O N S A N D M A C R O S
*----------------------------------------------------------------------------------------
*/
extern OPTION_MULTISOCKET_CONFIGURATION OptionMultiSocketConfiguration;
/*----------------------------------------------------------------------------------------
* T Y P E D E F S A N D S T R U C T U R E S
*----------------------------------------------------------------------------------------
*/
typedef union {
UINT64 RawData;
PATCH_LOADER_MSR BitFields;
} PATCH_LOADER;
/*----------------------------------------------------------------------------------------
* 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
*----------------------------------------------------------------------------------------
*/
BOOLEAN
F15OrEarlySamplesLoadMicrocode (
IN MICROCODE_PATCH *MicrocodePatchPtr,
IN OUT AMD_CONFIG_PARAMS *StdHeader
);
VOID
F15OrHtcInitEarlySampleHook (
IN OUT UINT32 *HtcRegister,
IN AMD_CONFIG_PARAMS *StdHeader
);
VOID
F15OrIsCpbDisabledEarlySample (
IN OUT BOOLEAN *IsEnabled,
IN AMD_CONFIG_PARAMS *StdHeader
);
VOID
F15OrIsC6DisabledEarlySample (
IN OUT BOOLEAN *IsEnabled,
IN AMD_CONFIG_PARAMS *StdHeader
);
VOID
F15OrEarlySamplesAvoidNbCyclesStart (
IN OUT AMD_CONFIG_PARAMS *StdHeader,
IN OUT UINT64 *SavedMsrValue
);
VOID
F15OrEarlySamplesAvoidNbCyclesEnd (
IN OUT AMD_CONFIG_PARAMS *StdHeader,
IN UINT64 *SavedMsrValue
);
VOID
F15OrEarlySamplesAfterPatchLoaded (
IN OUT AMD_CONFIG_PARAMS *StdHeader,
IN BOOLEAN IsPatchLoaded
);
BOOLEAN
F15OrEarlySamplesLoadMicrocodePatch (
IN OUT AMD_CONFIG_PARAMS *StdHeader
);
/*----------------------------------------------------------------------------------------
* E X P O R T E D F U N C T I O N S
*----------------------------------------------------------------------------------------
*/
VOID
F15OrB0WeightsInit (
IN UINT32 Data,
IN AMD_CONFIG_PARAMS *StdHeader
);
/*----------------------------------------------------------------------------------------
* D A T A D E C L A R A T I O N S
*----------------------------------------------------------------------------------------
*/
/*-----------------------------
* Early Sample PCI registers
*-----------------------------
*/
STATIC CONST TABLE_ENTRY_FIELDS ROMDATA F15OrEarlySamplePciRegisters[] =
{
// F3x188 - NB Configuration 2 Register
// bit[30] Reserved = 1 Erratum #620, only on OR A0, A1 and B0
{
PciRegister,
{
AMD_FAMILY_15, // CpuFamily
AMD_F15_OR_LT_B1 // CpuRevision
},
{AMD_PF_ALL}, // platformFeatures
{{
MAKE_SBDFO (0, 0, 24, FUNC_3, 0x188), // Address
0x40000000, // regData
0x40000000, // regMask
}}
},
// F3x18C - Reserved
// bit[31] Reserved = 1 Erratum #603, only on OR A0, A1 and B0
{
PciRegister,
{
AMD_FAMILY_15, // CpuFamily
AMD_F15_OR_LT_B1 // CpuRevision
},
{AMD_PF_ALL}, // platformFeatures
{{
MAKE_SBDFO (0, 0, 24, FUNC_3, 0x18C), // Address
0x80000000, // regData
0x80000000, // regMask
}}
},
// F3x1B8 - L3 Control 1
// bit[7] Reserved = 1, Erratum #574
// bit[29] Reserved = 1, Erratum #574
{
ProfileFixup,
{
AMD_FAMILY_15, // CpuFamily
AMD_F15_OR_Ax // CpuRevision
},
{AMD_PF_ALL}, // platformFeatures
{{
PERFORMANCE_L3_CACHE, // Features
MAKE_SBDFO (0, 0, 24, FUNC_3, 0x1B8), // Address
0x20000080, // regData
0x20000080, // regMask
}}
},
// F4x110 - Sample and Residency Timers
// bits[20:13] MinResTmr = 0x64
{
PciRegister,
{
AMD_FAMILY_15_OR, // CpuFamily
AMD_F15_OR_Ax // CpuRevision
},
{AMD_PF_ALL}, // platformFeatures
{{
MAKE_SBDFO (0, 0, 24, FUNC_4, 0x110), // Address
0x000C8000, // regData
0x001FE000, // regMask
}}
},
// F4x1A0 - Reserved
// bits[31:0] Reserved = 4
{
ProfileFixup,
{
AMD_FAMILY_15, // CpuFamily
AMD_F15_OR_A0 // CpuRevision
},
{AMD_PF_ALL}, // platformFeatures
{{
PERFORMANCE_L3_CACHE, // Features
MAKE_SBDFO (0, 0, 24, FUNC_4, 0x1A0), // Address
0x00000004, // regData
0xFFFFFFFF, // regMask
}}
},
// F4x1A4 - Reserved
// bits[31:0] Reserved = 0x24 Erratum #553
{
ProfileFixup,
{
AMD_FAMILY_15, // CpuFamily
AMD_F15_OR_A0 // CpuRevision
},
{AMD_PF_ALL}, // platformFeatures
{{
PERFORMANCE_L3_CACHE, // Features
MAKE_SBDFO (0, 0, 24, FUNC_4, 0x1A4), // Address
0x00000024, // regData
0xFFFFFFFF, // regMask
}}
},
};
CONST REGISTER_TABLE ROMDATA F15OrEarlySamplePciRegisterTable = {
PrimaryCores,
(sizeof (F15OrEarlySamplePciRegisters) / sizeof (TABLE_ENTRY_FIELDS)),
F15OrEarlySamplePciRegisters,
};
/*-----------------------------
* Early Sample MSR registers
*-----------------------------
*/
STATIC CONST MSR_TYPE_ENTRY_INITIALIZER ROMDATA F15OrEarlySampleMsrRegisters[] =
{
// MSR_LS_CFG (0xC0011020)
// bit[0] = 1, Erratum #500 for OR-A0 only
// bit[4] = 1, Erratum #501 for OR-A0 only
// bit[28] DisSS = 1, Erratum #495, #496 for OR-A0 only
// bit[30] = 1, Erratum #544 for OR-A0 only
// bit[62] = 1, Erratum #494 for OR-A0 only
{
MsrRegister,
{
AMD_FAMILY_15, // CpuFamily
AMD_F15_OR_A0 // CpuRevision
},
{AMD_PF_ALL}, // platformFeatures
{{
MSR_LS_CFG, // MSR Address
0x4000000050000011, // OR Mask
0x4000000050000011, // NAND Mask
}}
},
// MSR_DC_CFG (0xC0011022)
// bit[13] DisHwPf = 1, Erratum #498, OR-A0 only
// bit[10] = 1, Erratum #575, OR-A0 only
{
MsrRegister,
{
AMD_FAMILY_15, // CpuFamily
AMD_F15_OR_A0 // CpuRevision
},
{AMD_PF_ALL}, // platformFeatures
{{
MSR_DC_CFG, // MSR Address
0x0000000000002400, // OR Mask
0x0000000000002400, // NAND Mask
}}
},
// MSR_DE_CFG (0xC0011029)
// bit[7:2] = 111111b, Erratum #497, OR-A0 only
{
MsrRegister,
{
AMD_FAMILY_15, // CpuFamily
AMD_F15_OR_A0 // CpuRevision
},
{AMD_PF_ALL}, // platformFeatures
{{
MSR_DE_CFG, // MSR Address - Shared
0x00000000000000FC, // OR Mask
0x00000000000000FC, // NAND Mask
}}
},
};
CONST REGISTER_TABLE ROMDATA F15OrEarlySampleMsrRegisterTable = {
AllCores,
(sizeof (F15OrEarlySampleMsrRegisters) / sizeof (TABLE_ENTRY_FIELDS)),
(TABLE_ENTRY_FIELDS *) &F15OrEarlySampleMsrRegisters,
};
/*-----------------------------
* Early Sample Shared MSR registers
*-----------------------------
*/
STATIC CONST MSR_TYPE_ENTRY_INITIALIZER ROMDATA F15OrEarlySampleSharedMsrRegisters[] =
{
// MSR_CU_CFG2 (0xC001102A)
// bit[27] = 1, Erratum #572, OR-Ax only
{
MsrRegister,
{
AMD_FAMILY_15, // CpuFamily
AMD_F15_OR_Ax // CpuRevision
},
{AMD_PF_ALL}, // platformFeatures
{{
MSR_CU_CFG2, // MSR Address - Shared
0x0000000008000000, // OR Mask
0x0000000008000000, // NAND Mask
}}
},
// MSR_CU_CFG3 (0xC001102B)
// bit[34] Reserved = 1, Erratum #568, OR-Ax only
{
MsrRegister,
{
AMD_FAMILY_15, // CpuFamily
AMD_F15_OR_Ax // CpuRevision
},
{AMD_PF_ALL}, // platformFeatures
{{
MSR_CU_CFG3, // MSR Address
0x0000000400000000, // OR Mask
0x0000000400000000, // NAND Mask
}}
},
// MSR_C001_1070
// bit[41] = 0, Erratum #597, OR-Ax only
{
MsrRegister,
{
AMD_FAMILY_15, // CpuFamily
AMD_F15_OR_Ax // CpuRevision
},
{AMD_PF_ALL}, // platformFeatures
{{
MSR_C001_1070, // MSR Address - Shared
0x0000000000000000, // OR Mask
0x0000020000000000, // NAND Mask
}}
},
};
CONST REGISTER_TABLE ROMDATA F15OrEarlySampleSharedMsrRegisterTable = {
CorePairPrimary,
(sizeof (F15OrEarlySampleSharedMsrRegisters) / sizeof (TABLE_ENTRY_FIELDS)),
(TABLE_ENTRY_FIELDS *) &F15OrEarlySampleSharedMsrRegisters,
};
/*-----------------------------
* Early Sample Workarounds
*-----------------------------
*/
STATIC CONST FAM_SPECIFIC_WORKAROUND_TYPE_ENTRY_INITIALIZER ROMDATA F15OrEarlySampleWorkarounds[] =
{
// HT PHY DLL Compensation setting for Ax
{
FamSpecificWorkaround,
{
AMD_FAMILY_15,
AMD_F15_OR_Ax
},
{AMD_PF_ALL},
{{
F15HtPhyOverrideDllCompensation,
0x00000000
}}
},
// CPU TDP Limit 2 setting for Ax
{
FamSpecificWorkaround,
{
AMD_FAMILY_15,
AMD_F15_OR_Ax
},
{AMD_PF_ALL},
{{
F15OrOverrideNodeTdpLimit,
0x00000000
}}
},
// CPU Node TDP Accumulator Throttle Threshold setting for Ax
{
FamSpecificWorkaround,
{
AMD_FAMILY_15_OR,
AMD_F15_OR_Ax
},
{AMD_PF_ALL},
{{
F15OrOverrideNodeTdpAccumulatorThrottleThreshold,
0x00000000
}}
},
};
CONST REGISTER_TABLE ROMDATA F15OrEarlySampleWorkaroundsTable = {
PrimaryCores,
(sizeof (F15OrEarlySampleWorkarounds) / sizeof (TABLE_ENTRY_FIELDS)),
(TABLE_ENTRY_FIELDS *)F15OrEarlySampleWorkarounds,
};
/*-----------------------------
* Early Sample shared MSRs with Special Programming Requirements Table
*-----------------------------
*/
STATIC CONST FAM_SPECIFIC_WORKAROUND_TYPE_ENTRY_INITIALIZER ROMDATA F15OrEarlySampleSharedMsrWorkarounds[] =
{
// MSRC001_1072
{
FamSpecificWorkaround,
{
AMD_FAMILY_15_OR,
AMD_F15_OR_B0
},
{AMD_PF_ALL},
{{
F15OrB0WeightsInit,
0x00000000
}}
}
};
CONST REGISTER_TABLE ROMDATA F15OrEarlySampleSharedMsrWorkaroundTable = {
CorePairPrimary,
(sizeof (F15OrEarlySampleSharedMsrWorkarounds) / sizeof (TABLE_ENTRY_FIELDS)),
(TABLE_ENTRY_FIELDS *) &F15OrEarlySampleSharedMsrWorkarounds,
};
CONST UINT32 ROMDATA F15OrB0WeightsTable [] = {
0x1300005A, //MSRC001_1072_x00
0x10ABD100, //MSRC001_1072_x01
0xBF1A1A44, //MSRC001_1072_x02
0xC4DABEA4, //MSRC001_1072_x03
0x147B7B6A, //MSRC001_1072_x04
0x320C0C00, //MSRC001_1072_x05
0xE6D6C6DC, //MSRC001_1072_x06
0x00911C06, //MSRC001_1072_x07
0x1F473727, //MSRC001_1072_x08
0x9FA3A32B, //MSRC001_1072_x09
0xDFCFBFAF, //MSRC001_1072_x0A
0xCFBFAF9F, //MSRC001_1072_x0B
0x606060DF, //MSRC001_1072_x0C
0x00000060, //MSRC001_1072_x0D
0xBAAA9A00, //MSRC001_1072_x0E
0xFF00DACA, //MSRC001_1072_x0F
0xFEFEFF64, //MSRC001_1072_x10
0x41FCFEFE, //MSRC001_1072_x11
0xE14C2F0D, //MSRC001_1072_x12
0x95A371EA, //MSRC001_1072_x13
0x002EE260, //MSRC001_1072_x14
0x00F907D2, //MSRC001_1072_x15
0xF9F2A5A5, //MSRC001_1072_x16
0x97C100E3, //MSRC001_1072_x17
0x91C5B577, //MSRC001_1072_x18
0x95C1B1A1, //MSRC001_1072_x19
0x68584800, //MSRC001_1072_x1A
0x67000000, //MSRC001_1072_x1B
0xB2003109, //MSRC001_1072_x1C
0x3F8DCDC4, //MSRC001_1072_x1D
0xD2D4D409, //MSRC001_1072_x1E
0x090000D2, //MSRC001_1072_x1F
0x00160000, //MSRC001_1072_x20
0x0000E300 //MSRC001_1072_x21
};
/*---------------------------------------------------------------------------------------*/
/**
* Early sample hook point during HTC initialization
*
* @param[in,out] HtcRegister Value of F3x64 to be written.
* @param[in] StdHeader Handle of Header for calling lib functions and services.
*
*/
VOID
F15OrHtcInitEarlySampleHook (
IN OUT UINT32 *HtcRegister,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 MsrAddr;
UINT64 Msr;
if (((HTC_REGISTER *) HtcRegister)->HtcPstateLimit == 0) {
// HtcPstateLimit is set to Pb0. Reprogram it to the minimum enabled P-state with
// with NbPstate = 0
for (MsrAddr = PS_MAX_REG; MsrAddr > PS_MIN_REG; MsrAddr--) {
LibAmdMsrRead (MsrAddr, &Msr, StdHeader);
if ((((PSTATE_MSR *) &Msr)->PsEnable == 1) && (((PSTATE_MSR *) &Msr)->NbPstate == 0)) {
break;
}
}
((HTC_REGISTER *) HtcRegister)->HtcPstateLimit = (MsrAddr - PS_MIN_REG);
}
}
/*---------------------------------------------------------------------------------------*/
/**
* Is CPB supported on this CPU
*
* @param[in,out] IsEnabled Whether or not CPB should be enabled.
* @param[in] StdHeader Config Handle for library, services.
*
*/
VOID
F15OrIsCpbDisabledEarlySample (
IN OUT BOOLEAN *IsEnabled,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
CPU_LOGICAL_ID LogicalId;
GetLogicalIdOfCurrentCore (&LogicalId, StdHeader);
// Check if this CPU is OR A0, then disable CPB support.
if ((LogicalId.Revision & AMD_F15_OR_A0) != 0) {
*IsEnabled = FALSE;
}
}
/*---------------------------------------------------------------------------------------*/
/**
* Is C6 supported on this CPU
*
* @param[in,out] IsEnabled Whether or not C6 should be enabled.
* @param[in] StdHeader Config Handle for library, services.
*
*/
VOID
F15OrIsC6DisabledEarlySample (
IN OUT BOOLEAN *IsEnabled,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
CPU_LOGICAL_ID LogicalId;
GetLogicalIdOfCurrentCore (&LogicalId, StdHeader);
// Check if this CPU is OR A0, then disable C6 support.
if ((LogicalId.Revision & AMD_F15_OR_A0) != 0) {
*IsEnabled = FALSE;
}
}
/*---------------------------------------------------------------------------------------*/
/**
* Update the weights for affected OR B0 CPUs.
*
* This function implements a workaround for OR B0 when applicable.
*
* @param[in] Data The table data value, for example to indicate which CPU and Platform types matched.
* @param[in] StdHeader Config handle for library and services.
*
*/
VOID
F15OrB0WeightsInit (
IN UINT32 Data,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 i;
UINT32 ProductInfo;
UINT64 LocalMsr;
PCI_ADDR PciAddress;
if (IsWarmReset (StdHeader)) {
OptionMultiSocketConfiguration.GetCurrPciAddr (&PciAddress, StdHeader);
PciAddress.Address.Function = FUNC_3;
PciAddress.Address.Register = PRCT_INFO_REG;
LibAmdPciRead (AccessWidth32, PciAddress, &ProductInfo, StdHeader);
if ((ProductInfo & BIT31) == 0) {
for (i = 0; i < ((sizeof F15OrB0WeightsTable) / (sizeof F15OrB0WeightsTable[0])); i++) {
LocalMsr = (((((UINT64) F15OrB0WeightsTable[i]) << 32) | i) | BIT14);
LibAmdMsrWrite (0xC0011072, &LocalMsr, StdHeader);
}
}
}
}
/* -----------------------------------------------------------------------------*/
/**
* Workaround to avoid patch loading from causing NB cycles
*
*
* @param[in,out] StdHeader - Config handle for library and services.
* @param[in,out] SavedMsrValue - Saved a MSR value
*
*/
VOID
F15OrEarlySamplesAvoidNbCyclesStart (
IN OUT AMD_CONFIG_PARAMS *StdHeader,
IN OUT UINT64 *SavedMsrValue
)
{
UINT64 MsrValue;
CPU_LOGICAL_ID LogicalId;
GetLogicalIdOfCurrentCore (&LogicalId, StdHeader);
// Check if this CPU is OR Ax, expected fix in OR-B0
if ((LogicalId.Revision & AMD_F15_OR_Ax) != 0) {
// Workaround for F15 OR-Ax workaround to avoid patch loading from causing NB cycles
// Start - Set MSR C001_102A [8]
LibAmdMsrRead (MSR_BU_CFG2, SavedMsrValue, StdHeader);
MsrValue = *SavedMsrValue | BIT8;
LibAmdMsrWrite (MSR_BU_CFG2, &MsrValue, StdHeader);
}
}
/* -----------------------------------------------------------------------------*/
/**
* Workaround to avoid patch loading from causing NB cycles
*
*
* @param[in,out] StdHeader - Config handle for library and services.
* @param[in] SavedMsrValue - Saved a MSR value
*
*/
VOID
F15OrEarlySamplesAvoidNbCyclesEnd (
IN OUT AMD_CONFIG_PARAMS *StdHeader,
IN UINT64 *SavedMsrValue
)
{
CPU_LOGICAL_ID LogicalId;
GetLogicalIdOfCurrentCore (&LogicalId, StdHeader);
if ((LogicalId.Revision & AMD_F15_OR_Ax) != 0) {
// Restore Workaround for F15 OR-Ax workaround to avoid patch loading from causing NB cycles
// End - Restore MSR C001_102A
LibAmdMsrWrite (MSR_BU_CFG2, SavedMsrValue, StdHeader);
}
}
/* -----------------------------------------------------------------------------*/
/**
* Workaround for Ax processors after patch is loaded.
*
*
* @param[in] StdHeader - Config handle for library and services.
* @param[in] IsPatchLoaded - Is patch loaded
*
*/
VOID
F15OrEarlySamplesAfterPatchLoaded (
IN OUT AMD_CONFIG_PARAMS *StdHeader,
IN BOOLEAN IsPatchLoaded
)
{
UINT64 MsrValue;
CPU_LOGICAL_ID LogicalId;
GetLogicalIdOfCurrentCore (&LogicalId, StdHeader);
// MSR C001_1023[4:3] = 11b
// Erratum #502, OR-A0 only after microcode patch has been loaded
if (((LogicalId.Revision & AMD_F15_OR_A0) != 0) && (IsPatchLoaded)) {
LibAmdMsrRead (MSR_CU_CFG, &MsrValue, StdHeader);
MsrValue |= 0x18;
LibAmdMsrWrite (MSR_CU_CFG, &MsrValue, StdHeader);
}
// Erratum #590, OR-A1 only, if any patch is applied
// MSR C001_0028 = 0x2E00_0080
// MSR C001_0029 = 0xFE00_0080
// MSR C001_002C = 0x0400_1029
if (((LogicalId.Revision & AMD_F15_OR_A1) != 0) && (IsPatchLoaded)) {
MsrValue = 0x2E000080;
LibAmdMsrWrite (0xC0010028, &MsrValue, StdHeader);
MsrValue = 0xFE000080;
LibAmdMsrWrite (0xC0010029, &MsrValue, StdHeader);
MsrValue = 0x04001029;
LibAmdMsrWrite (0xC001002C, &MsrValue, StdHeader);
}
}
/* -----------------------------------------------------------------------------*/
/**
* Update microcode patch in current processor.
*
* Then reads the patch id, and compare it to the expected, in the Microprocessor
* patch block.
*
* @param[in] StdHeader - Config handle for library and services.
*
* @retval TRUE - Patch Loaded Successfully.
* @retval FALSE - Patch Did Not Get Loaded.
*
*/
BOOLEAN
F15OrEarlySamplesLoadMicrocodePatch (
IN OUT AMD_CONFIG_PARAMS *StdHeader
)
{
UINT8 PatchNumber;
UINT8 TotalPatches;
UINT16 ProcessorEquivalentId;
BOOLEAN Status;
MICROCODE_PATCH **MicrocodePatchPtr;
CPU_SPECIFIC_SERVICES *FamilySpecificServices;
Status = FALSE;
if (IsCorePairPrimary (FirstCoreIsComputeUnitPrimary, StdHeader)) {
// Get the patch pointer
GetCpuServicesOfCurrentCore ((CONST CPU_SPECIFIC_SERVICES **)&FamilySpecificServices, StdHeader);
FamilySpecificServices->GetMicroCodePatchesStruct (FamilySpecificServices, (const VOID **) &MicrocodePatchPtr, &TotalPatches, StdHeader);
IDS_OPTION_HOOK (IDS_UCODE, &TotalPatches, StdHeader);
// Get the processor microcode path equivalent ID
if (GetPatchEquivalentId (&ProcessorEquivalentId, StdHeader)) {
// parse the patch table to see if we have one for the current cpu
for (PatchNumber = 0; PatchNumber < TotalPatches; PatchNumber++) {
if (ValidateMicrocode (MicrocodePatchPtr[PatchNumber], ProcessorEquivalentId, StdHeader)) {
if (F15OrEarlySamplesLoadMicrocode (MicrocodePatchPtr[PatchNumber], StdHeader)) {
Status = TRUE;
} else {
PutEventLog (AGESA_ERROR,
CPU_ERROR_MICRO_CODE_PATCH_IS_NOT_LOADED,
0, 0, 0, 0, StdHeader);
}
break; // Once we find a microcode patch that matches the processor, exit the for loop
}
}
}
}
return Status;
}
/* -----------------------------------------------------------------------------*/
/**
*
* F15OrEarlySamplesLoadMicrocode
*
* Update microcode patch in current processor, then reads the
* patch id, and compare it to the expected, in the Microprocessor
* patch block.
*
* Note: This is a special version of the normal LoadMicrocode()
* function which lives in cpuMicrocodePatch.c. This version
* implements a workaround (on Or-B0 only) before applying the
* microcode patch.
*
* @param[in] MicrocodePatchPtr - Pointer to Microcode Patch.
* @param[in,out] StdHeader - Pointer to AMD_CONFIG_PARAMS struct.
*
* @retval TRUE - Patch Loaded Successfully.
* @retval FALSE - Patch Did Not Get Loaded.
*
*/
BOOLEAN
F15OrEarlySamplesLoadMicrocode (
IN MICROCODE_PATCH *MicrocodePatchPtr,
IN OUT AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 MicrocodeVersion;
UINT64 MsrData;
PATCH_LOADER PatchLoaderMsr;
CPU_LOGICAL_ID LogicalId;
// Load microcode patch into CPU
GetLogicalIdOfCurrentCore (&LogicalId, StdHeader);
PatchLoaderMsr.RawData = (UINT64) MicrocodePatchPtr;
PatchLoaderMsr.BitFields.SBZ = 0;
// Check if this CPU is OR-B0, expected fix in OR-B1
if ((LogicalId.Revision & AMD_F15_OR_B0) != 0) {
LibAmdMsrRead (MSR_BR_FROM, &MsrData, StdHeader);
}
LibAmdMsrWrite (MSR_PATCH_LOADER, &PatchLoaderMsr.RawData, StdHeader);
// Do ucode patch Authentication
// Read microcode version back from CPU, determine if
// it is the same patch level as contained in the source
// microprocessor patch block passed in
GetMicrocodeVersion (&MicrocodeVersion, StdHeader);
if (MicrocodeVersion == MicrocodePatchPtr->PatchID) {
return (TRUE);
} else {
return (FALSE);
}
}
/*---------------------------------------------------------------------------------------
* L O C A L F U N C T I O N S
*---------------------------------------------------------------------------------------
*/