/** * @file * * AMD CPU Cache Flush On Halt Function. * * Contains code to Level the Feature in a multi-socket system * * @xrefitem bom "File Content Label" "Release Content" * @e project: AGESA * @e sub-project: CPU/Family/0x10 * @e \$Revision: 6626 $ @e \$Date: 2008-07-04 02:01:02 +0800 (Fri, 04 Jul 2008) $ * */ /* ****************************************************************************** * * 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. * ****************************************************************************** *---------------------------------------------------------------------------- */ /* *---------------------------------------------------------------------------- * MODULES USED * *---------------------------------------------------------------------------- */ #include "AGESA.h" #include "cpuRegisters.h" #include "cpuServices.h" #include "cpuFamilyTranslation.h" #include "cpuPostInit.h" #include "Filecode.h" #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 *---------------------------------------------------------------------------------------- */ /*---------------------------------------------------------------------------- * PROTOTYPES OF LOCAL FUNCTIONS * *---------------------------------------------------------------------------- */ /*---------------------------------------------------------------------------------------- * 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,out] PciAddress Pointer to Pci address struct. * @param[in,out] AndMask Pointer to AND mask bits. * @param[in,out] OrMask Pointer to Or mask bits. * @param[in] StdHeader Handle of Header for calling lib functions and services. */ STATIC VOID GetF10CacheFlushOnHaltRegister ( IN CPU_CFOH_FAMILY_SERVICES *FamilySpecificServices, IN OUT PCI_ADDR *PciAddress, IN OUT UINT32 *AndMask, IN OUT UINT32 *OrMask, IN AMD_CONFIG_PARAMS *StdHeader ) { UINT32 CoreCount; CPU_LOGICAL_ID LogicalId; // // F3xDC[25:19] = 28h // F3xDC[18:16] = 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; } } } CONST CPU_CFOH_FAMILY_SERVICES ROMDATA F10CacheFlushOnHalt = { 0, GetF10CacheFlushOnHaltRegister };