5 * AMD CPU Cache Flush On Halt Function.
7 * Contains code to initialize Cache Flush On Halt feature for Family 10h.
9 * @xrefitem bom "File Content Label" "Release Content"
11 * @e sub-project: CPU/Family/0x10
12 * @e \$Revision: 56279 $ @e \$Date: 2011-07-11 13:11:28 -0600 (Mon, 11 Jul 2011) $
16 ******************************************************************************
18 * Copyright (C) 2012 Advanced Micro Devices, Inc.
19 * All rights reserved.
21 * Redistribution and use in source and binary forms, with or without
22 * modification, are permitted provided that the following conditions are met:
23 * * Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
25 * * Redistributions in binary form must reproduce the above copyright
26 * notice, this list of conditions and the following disclaimer in the
27 * documentation and/or other materials provided with the distribution.
28 * * Neither the name of Advanced Micro Devices, Inc. nor the names of
29 * its contributors may be used to endorse or promote products derived
30 * from this software without specific prior written permission.
32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
34 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
35 * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
36 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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41 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
43 ******************************************************************************
44 *----------------------------------------------------------------------------
49 *----------------------------------------------------------------------------
52 *----------------------------------------------------------------------------
56 #include "cpuRegisters.h"
57 #include "cpuServices.h"
58 #include "cpuFamilyTranslation.h"
59 #include "cpuPostInit.h"
60 #include "cpuFeatures.h"
61 #include "OptionMultiSocket.h"
62 #include "cpuF10PowerMgmt.h"
66 #define FILECODE PROC_CPU_FAMILY_0X10_CPUF10CACHEFLUSHONHALT_FILECODE
67 /*----------------------------------------------------------------------------
68 * DEFINITIONS AND MACROS
70 *----------------------------------------------------------------------------
74 /*----------------------------------------------------------------------------
75 * TYPEDEFS AND STRUCTURES
77 *----------------------------------------------------------------------------
80 /*----------------------------------------------------------------------------------------
81 * E X P O R T E D F U N C T I O N S
82 *----------------------------------------------------------------------------------------
84 extern OPTION_MULTISOCKET_CONFIGURATION OptionMultiSocketConfiguration;
85 /*----------------------------------------------------------------------------
86 * PROTOTYPES OF LOCAL FUNCTIONS
88 *----------------------------------------------------------------------------
92 SetF10CacheFlushOnHaltRegister (
93 IN CPU_CFOH_FAMILY_SERVICES *FamilySpecificServices,
95 IN PLATFORM_CONFIGURATION *PlatformConfig,
96 IN AMD_CONFIG_PARAMS *StdHeader
99 /*----------------------------------------------------------------------------------------
100 * P U B L I C F U N C T I O N S
101 *----------------------------------------------------------------------------------------
104 /* -----------------------------------------------------------------------------*/
106 * Enable Cpu Cache Flush On Halt Function
108 * @param[in] FamilySpecificServices The current Family Specific Services.
109 * @param[in] EntryPoint Timepoint designator.
110 * @param[in] PlatformConfig Contains the runtime modifiable feature input data.
111 * @param[in] StdHeader Config Handle for library, services.
114 SetF10CacheFlushOnHaltRegister (
115 IN CPU_CFOH_FAMILY_SERVICES *FamilySpecificServices,
116 IN UINT64 EntryPoint,
117 IN PLATFORM_CONFIGURATION *PlatformConfig,
118 IN AMD_CONFIG_PARAMS *StdHeader
125 CPU_LOGICAL_ID LogicalId;
127 PCI_ADDR CpbCtrlRegister;
129 if ((EntryPoint & (CPU_FEAT_AFTER_POST_MTRR_SYNC | CPU_FEAT_AFTER_RESUME_MTRR_SYNC)) != 0) {
131 // bits[25:19] CacheFlushOnHaltTmr = 28h
132 // bits[18:16] CacheFlushOnHaltCtl = 111b
133 PciAddress.Address.Function = FUNC_3;
134 PciAddress.Address.Register = CLOCK_POWER_TIMING_CTRL2_REG;
135 AndMask = 0xFC00FFFF;
138 GetLogicalIdOfCurrentCore (&LogicalId, StdHeader);
139 if ((LogicalId.Revision & AMD_F10_C2) != 0) {
140 //For F10_C2 single Core, F3xDC[18:16] = 0
141 GetActiveCoresInCurrentSocket (&CoreCount, StdHeader);
142 if (CoreCount == 1) {
147 if ((LogicalId.Revision & AMD_F10_PH_ALL) != 0) {
148 // If Revision E and CPB is enabled
149 // F3xDC[25:19] CacheFlushOnHaltTmr = Ch
150 CpbCtrlRegister.AddressValue = CPB_CTRL_PCI_ADDR;
151 LibAmdPciRead (AccessWidth32, CpbCtrlRegister, &CpbControl, StdHeader);
153 if (((CPB_CTRL_REGISTER *) (&CpbControl))->BoostSrc == 3) {
158 IDS_OPTION_HOOK (IDS_CACHE_FLUSH_HLT, &OrMask, StdHeader);
159 OptionMultiSocketConfiguration.ModifyCurrSocketPci (&PciAddress, AndMask, OrMask, StdHeader); //F3xDC
163 CONST CPU_CFOH_FAMILY_SERVICES ROMDATA F10CacheFlushOnHalt =
166 SetF10CacheFlushOnHaltRegister