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/* $NoKeywords:$ */
/**
* @file
*
* AMD CPU Cache Flush On Halt Function.
*
* Contains code to initialize Cache Flush On Halt feature for Family 10h.
*
* @xrefitem bom "File Content Label" "Release Content"
* @e project: AGESA
* @e sub-project: CPU/Family/0x10
* @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.
*
******************************************************************************
*----------------------------------------------------------------------------
*/
/*
*----------------------------------------------------------------------------
* MODULES USED
*
*----------------------------------------------------------------------------
*/
#include "AGESA.h"
#include "amdlib.h"
#include "cpuRegisters.h"
#include "cpuServices.h"
#include "cpuFamilyTranslation.h"
#include "cpuPostInit.h"
#include "cpuFeatures.h"
#include "OptionMultiSocket.h"
#include "cpuF10PowerMgmt.h"
#include "Filecode.h"
CODE_GROUP (G1_PEICC)
RDATA_GROUP (G2_PEI)
#define FILECODE PROC_CPU_FAMILY_0X10_CPUF10CACHEFLUSHONHALT_FILECODE
/*----------------------------------------------------------------------------
* DEFINITIONS AND MACROS
*
*----------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------
* TYPEDEFS AND STRUCTURES
*
*----------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------------------
* E X P O R T E D F U N C T I O N S
*----------------------------------------------------------------------------------------
*/
extern OPTION_MULTISOCKET_CONFIGURATION OptionMultiSocketConfiguration;
/*----------------------------------------------------------------------------
* PROTOTYPES OF LOCAL FUNCTIONS
*
*----------------------------------------------------------------------------
*/
VOID
SetF10CacheFlushOnHaltRegister (
IN CPU_CFOH_FAMILY_SERVICES *FamilySpecificServices,
IN UINT64 EntryPoint,
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
);
/*----------------------------------------------------------------------------------------
* P U B L I C F U N C T I O N S
*----------------------------------------------------------------------------------------
*/
/* -----------------------------------------------------------------------------*/
/**
* Enable Cpu Cache Flush On Halt Function
*
* @param[in] FamilySpecificServices The current Family Specific Services.
* @param[in] EntryPoint Timepoint designator.
* @param[in] PlatformConfig Contains the runtime modifiable feature input data.
* @param[in] StdHeader Config Handle for library, services.
*/
VOID
SetF10CacheFlushOnHaltRegister (
IN CPU_CFOH_FAMILY_SERVICES *FamilySpecificServices,
IN UINT64 EntryPoint,
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 AndMask;
UINT32 OrMask;
UINT32 CoreCount;
UINT32 CpbControl;
CPU_LOGICAL_ID LogicalId;
PCI_ADDR PciAddress;
PCI_ADDR CpbCtrlRegister;
if ((EntryPoint & (CPU_FEAT_AFTER_POST_MTRR_SYNC | CPU_FEAT_AFTER_RESUME_MTRR_SYNC)) != 0) {
// Initialize F3xDC
// bits[25:19] CacheFlushOnHaltTmr = 28h
// bits[18:16] CacheFlushOnHaltCtl = 111b
PciAddress.Address.Function = FUNC_3;
PciAddress.Address.Register = CLOCK_POWER_TIMING_CTRL2_REG;
AndMask = 0xFC00FFFF;
OrMask = 0x01470000;
GetLogicalIdOfCurrentCore (&LogicalId, StdHeader);
if ((LogicalId.Revision & AMD_F10_C2) != 0) {
//For F10_C2 single Core, F3xDC[18:16] = 0
GetActiveCoresInCurrentSocket (&CoreCount, StdHeader);
if (CoreCount == 1) {
OrMask = 0x01400000;
}
}
if ((LogicalId.Revision & AMD_F10_PH_ALL) != 0) {
// If Revision E and CPB is enabled
// F3xDC[25:19] CacheFlushOnHaltTmr = Ch
CpbCtrlRegister.AddressValue = CPB_CTRL_PCI_ADDR;
LibAmdPciRead (AccessWidth32, CpbCtrlRegister, &CpbControl, StdHeader);
if (((CPB_CTRL_REGISTER *) (&CpbControl))->BoostSrc == 3) {
OrMask = 0x00670000;
}
}
IDS_OPTION_HOOK (IDS_CACHE_FLUSH_HLT, &OrMask, StdHeader);
OptionMultiSocketConfiguration.ModifyCurrSocketPci (&PciAddress, AndMask, OrMask, StdHeader); //F3xDC
}
}
CONST CPU_CFOH_FAMILY_SERVICES ROMDATA F10CacheFlushOnHalt =
{
0,
SetF10CacheFlushOnHaltRegister
};
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