5 * AMD CPU BrandId related functions.
7 * Contains code that provides CPU BrandId information
9 * @xrefitem bom "File Content Label" "Release Content"
12 * @e \$Revision: 56279 $ @e \$Date: 2011-07-11 13:11:28 -0600 (Mon, 11 Jul 2011) $
15 /*****************************************************************************
17 * Copyright (C) 2012 Advanced Micro Devices, Inc.
18 * All rights reserved.
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions are met:
22 * * Redistributions of source code must retain the above copyright
23 * notice, this list of conditions and the following disclaimer.
24 * * Redistributions in binary form must reproduce the above copyright
25 * notice, this list of conditions and the following disclaimer in the
26 * documentation and/or other materials provided with the distribution.
27 * * Neither the name of Advanced Micro Devices, Inc. nor the names of
28 * its contributors may be used to endorse or promote products derived
29 * from this software without specific prior written permission.
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
32 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
33 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
34 * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
35 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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38 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
39 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
40 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 ******************************************************************************
45 /*----------------------------------------------------------------------------------------
46 * M O D U L E S U S E D
47 *----------------------------------------------------------------------------------------
51 #include "OptionPstate.h"
52 #include "cpuRegisters.h"
53 #include "cpuFamilyTranslation.h"
54 #include "cpuEarlyInit.h"
55 #include "cpuRegisters.h"
56 #include "heapManager.h"
57 #include "GeneralServices.h"
61 #define FILECODE PROC_CPU_CPUBRANDID_FILECODE
62 /*----------------------------------------------------------------------------------------
63 * D E F I N I T I O N S A N D M A C R O S
64 *----------------------------------------------------------------------------------------
67 /*----------------------------------------------------------------------------------------
68 * T Y P E D E F S A N D S T R U C T U R E S
69 *----------------------------------------------------------------------------------------
71 CONST CHAR8 ROMDATA strEngSample[] = "AMD Engineering Sample";
72 CONST CHAR8 ROMDATA strTtkSample[] = "AMD Thermal Test Kit";
73 CONST CHAR8 ROMDATA strUnknown[] = "AMD Processor Model Unknown";
75 CONST AMD_CPU_BRAND ROMDATA EngSample_Str = {0, 0, 0, SOCKET_IGNORE, strEngSample, sizeof (strEngSample)};
76 CONST AMD_CPU_BRAND ROMDATA TtkSample_Str = {0, 1, 0, SOCKET_IGNORE, strTtkSample, sizeof (strTtkSample)};
77 CONST AMD_CPU_BRAND ROMDATA Dflt_Str1 = {0, 0, 0, SOCKET_IGNORE, strUnknown, sizeof (strUnknown)};
78 CONST AMD_CPU_BRAND ROMDATA Dflt_Str2 = {0, 0, 0, SOCKET_IGNORE, DR_NO_STRING, DR_NO_STRING};
81 /*----------------------------------------------------------------------------------------
82 * 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
83 *----------------------------------------------------------------------------------------
86 SetBrandIdRegistersAtEarly (
87 IN CPU_SPECIFIC_SERVICES *FamilyServices,
88 IN AMD_CPU_EARLY_PARAMS *EarlyParams,
89 IN AMD_CONFIG_PARAMS *StdHeader
92 /*----------------------------------------------------------------------------------------
93 * E X P O R T E D F U N C T I O N S
94 *----------------------------------------------------------------------------------------
97 /*---------------------------------------------------------------------------------------*/
99 * Program BrandID registers (CPUIDNameStringPtr[0-5])
101 * This function determines the appropriate brand string for the executing
102 * core, and programs the namestring MSRs.
104 * @param[in,out] StdHeader Config handle for library and services.
108 SetBrandIdRegisters (
109 IN OUT AMD_CONFIG_PARAMS *StdHeader
115 UINT8 TableEntryCount;
116 UINT8 TableEntryIndex;
118 CHAR8 *NameStringPtr;
119 CHAR8 *SuffixStringPtr;
120 CHAR8 *BrandStringPtr;
121 CHAR8 *TempNameCharPtr;
125 UINT64 *MsrNameStringPtrPtr;
127 CPU_LOGICAL_ID CpuLogicalId;
128 CPU_BRAND_TABLE *SocketTableEntry;
129 CPU_BRAND_TABLE **SocketTableEntry1;
130 AMD_CPU_BRAND *SocketTablePtr;
131 AMD_CPU_BRAND_DATA Data;
132 ALLOCATE_HEAP_PARAMS AllocHeapParams;
133 CPU_SPECIFIC_SERVICES *FamilySpecificServices;
136 FamilySpecificServices = NULL;
137 SocketTablePtr = NULL;
138 SocketTableEntry = NULL;
140 GetCpuServicesOfCurrentCore ((CONST CPU_SPECIFIC_SERVICES **)&FamilySpecificServices, StdHeader);
141 // Step1: Allocate 48 bytes from Heap space
142 AllocHeapParams.RequestedBufferSize = CPU_BRAND_ID_LENGTH;
143 AllocHeapParams.BufferHandle = AMD_BRAND_ID_BUFFER_HANDLE;
144 AllocHeapParams.Persist = HEAP_LOCAL_CACHE;
145 if (HeapAllocateBuffer (&AllocHeapParams, StdHeader) == AGESA_SUCCESS) {
147 BrandStringPtr = (CHAR8 *) AllocHeapParams.BufferPtr;
148 LibAmdMemFill (BrandStringPtr, 0, CPU_BRAND_ID_LENGTH, StdHeader);
152 CPU_ERROR_BRANDID_HEAP_NOT_AVAILABLE,
153 0, 0, 0, 0, StdHeader
158 // Step2: Get brandid from model number and model string
159 LibAmdCpuidRead (AMD_CPUID_FMF, &CpuId, StdHeader);
161 // Step3: Figure out Socket/Page/Model/String1/String2/Core Number
162 Data.String2 = (UINT8) (CpuId.EBX_Reg & 0x0f);
163 Data.Model = (UINT8) ((CpuId.EBX_Reg >> 4) & 0x7f);
164 Data.String1 = (UINT8) ((CpuId.EBX_Reg >> 11) & 0x0f);
165 Data.Page = (UINT8) ((CpuId.EBX_Reg >> 15) & 0x01);
166 Data.Socket = (UINT8) ((CpuId.EBX_Reg >> 28) & 0x0f);
167 Data.Cores = FamilySpecificServices->GetNumberOfPhysicalCores (FamilySpecificServices, StdHeader);
169 // Step4: If NN = 0, we have an engineering sample, no suffix; then jump to Step6
170 if (Data.Model == 0) {
171 if (Data.Page == 0) {
172 SocketTablePtr = (AMD_CPU_BRAND *)&EngSample_Str;
174 SocketTablePtr = (AMD_CPU_BRAND *)&TtkSample_Str;
178 // Model is not equal to zero, so decrement it
179 // For family 10 if PkgType[3:0] is greater than or equal to 2h and families >= 12h
180 GetLogicalIdOfCurrentCore (&CpuLogicalId, StdHeader);
181 if ((((CpuLogicalId.Family & AMD_FAMILY_10) != 0) && (Data.Socket >= DR_SOCKET_S1G3)) ||
182 ((CpuLogicalId.Family & AMD_FAMILY_GE_12) != 0)) {
186 // Step5: Search for String1 (there can be only 1)
187 FamilySpecificServices->GetBrandString1 (FamilySpecificServices, (const VOID **) &SocketTableEntry, &TableEntryCount, StdHeader);
188 SocketTableEntry1 = (CPU_BRAND_TABLE **) SocketTableEntry;
189 for (TableEntryIndex = 0; ((TableEntryIndex < TableEntryCount)
190 && (SuffixStatus == 0)); TableEntryIndex++, SocketTableEntry1++) {
191 if (*SocketTableEntry1 == NULL) {
194 SocketTablePtr = (AMD_CPU_BRAND *) (*SocketTableEntry1)->Table;
195 TableElements = (*SocketTableEntry1)->NumberOfEntries;
196 for (SocketIndex = 0; (SocketIndex < TableElements)
197 && SuffixStatus == 0; SocketIndex++) {
198 if ((SocketTablePtr->Page == Data.Page) &&
199 (SocketTablePtr->Index == Data.String1) &&
200 (SocketTablePtr->Socket == Data.Socket) &&
201 (SocketTablePtr->Cores == Data.Cores)) {
208 if (SuffixStatus == 0) {
209 SocketTablePtr = (AMD_CPU_BRAND *)&Dflt_Str1; // We did not find one, make 'Unknown'
213 // Step6: Copy String into NameBuffer
214 // We now have data structure pointing to correct type in (*SocketTablePtr)
215 LibAmdMemCopy (BrandStringPtr,
216 (CHAR8 *)SocketTablePtr->Stringstart,
217 SocketTablePtr->Stringlength,
220 // Step7: Get suffix, determine addition to BRANDSPEED
221 if (SuffixStatus != 0) {
222 // Turn our value into a decimal string
223 // We have a value like 37d which we need to turn into '3' '7'
224 // Divide by 10, store remainder as an ASCII char on stack, repeat until Quotient is 0
225 NameStringPtr = BrandStringPtr + SocketTablePtr->Stringlength - 1;
226 TempNameCharPtr = NameStringPtr;
227 Quotient = Data.Model;
229 Remainder = Quotient % 10;
230 Quotient = Quotient / 10;
231 *TempNameCharPtr++ = (CHAR8) (Remainder + '0'); // Put suffix into our NameBuffer
232 } while (Quotient != 0);
233 if (Data.Model < 10) {
234 *TempNameCharPtr++ = '0';
237 // Step8: Reverse the string sequence and copy into NameBuffer
238 SuffixStringPtr = TempNameCharPtr--;
239 while (NameStringPtr < TempNameCharPtr) {
240 TempChar = *NameStringPtr;
241 *NameStringPtr = *TempNameCharPtr;
242 *TempNameCharPtr = TempChar;
247 // Step9: Search for String2
249 FamilySpecificServices->GetBrandString2 (FamilySpecificServices, (const VOID **) &SocketTableEntry, &TableEntryCount, StdHeader);
250 SocketTableEntry1 = (CPU_BRAND_TABLE **) SocketTableEntry;
251 for (TableEntryIndex = 0; ((TableEntryIndex < TableEntryCount)
252 && (SuffixStatus == 0)); TableEntryIndex++, SocketTableEntry1++) {
253 if (*SocketTableEntry1 == NULL) {
256 SocketTablePtr = (AMD_CPU_BRAND *) (*SocketTableEntry1)->Table;
257 TableElements = (*SocketTableEntry1)->NumberOfEntries;
258 for (SocketIndex = 0; (SocketIndex < TableElements)
259 && SuffixStatus == 0; SocketIndex++) {
260 if ((SocketTablePtr->Page == Data.Page) &&
261 (SocketTablePtr->Index == Data.String2) &&
262 (SocketTablePtr->Socket == Data.Socket) &&
263 (SocketTablePtr->Cores == Data.Cores)) {
270 if (SuffixStatus == 0) {
271 SocketTablePtr = (AMD_CPU_BRAND *)&Dflt_Str2;
274 // Step10: Copy String2 into our NameBuffer
275 if (SocketTablePtr->Stringlength != 0) {
276 LibAmdMemCopy (SuffixStringPtr,
277 (CHAR8 *)SocketTablePtr->Stringstart,
278 SocketTablePtr->Stringlength,
283 // Step11: Put values into name MSRs, Always write the full 48 bytes
284 MsrNameStringPtrPtr = (UINT64 *) BrandStringPtr;
285 for (MsrIndex = MSR_CPUID_NAME_STRING0; MsrIndex <= MSR_CPUID_NAME_STRING5; MsrIndex++) {
286 LibAmdMsrWrite (MsrIndex, MsrNameStringPtrPtr, StdHeader);
287 MsrNameStringPtrPtr++;
289 HeapDeallocateBuffer (AMD_BRAND_ID_BUFFER_HANDLE, StdHeader);
292 /*---------------------------------------------------------------------------------------*/
294 * Program BrandID registers (CPUIDNameStringPtr[0-5])
296 * This function acts as a wrapper for calling the SetBrandIdRegisters
297 * routine at AmdInitEarly.
299 * @param[in] FamilyServices The current Family Specific Services.
300 * @param[in] EarlyParams Service parameters.
301 * @param[in] StdHeader Config handle for library and services.
305 SetBrandIdRegistersAtEarly (
306 IN CPU_SPECIFIC_SERVICES *FamilyServices,
307 IN AMD_CPU_EARLY_PARAMS *EarlyParams,
308 IN AMD_CONFIG_PARAMS *StdHeader
311 AGESA_TESTPOINT (TpProcCpuSetBrandID, StdHeader);
312 SetBrandIdRegisters (StdHeader);