src/cpu/amd/model_fxx/processor_name.c - mirrors/cros/chromiumos/third_party/coreboot - Git at Google

 /*
  * This file is part of the coreboot project.
  *
  * Copyright (C) 2006 coresystems GmbH
  * (Written by Stefan Reinauer <stepan@coresystems.de> for coresystems GmbH)
  * Copyright (C) 2007 University of Mannheim
  * (Written by Sven Kapferer <skapfere@rumms.uni-mannheim.de> for Uni Ma.)
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; version 2 of the License.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
  */

 /*
  * This code sets the Processor Name String for AMD64 CPUs.
  *
  * Written by Stefan Reinauer <stepan@coresystems.de> using
  * the Revision Guide for AMD Athlon™ 64 and AMD Opteron™ Processors
  * Document ID 25759 Rev 3.59, April 2006 (Public Version).
  *
  * Updated by Sven Kapferer <skapfere@rumms.uni-mannheim.de> using
  * the Revision Guide for AMD NPT Family 0Fh Processors
  * Document ID 33610 Rev 3.00, October 2006 (Public Version).
  */

 #include <console/console.h>
 #include <string.h>
 #include <cpu/x86/msr.h>
 #include <cpu/amd/mtrr.h>
 #include <cpu/amd/model_fxx_rev.h>

 /* The maximum length of CPU names is 48 bytes, including the final NULL byte.
  * If you change these names your BIOS will _NOT_ pass the AMD validation and
  * your mainboard will not be posted on the AMD Recommended Motherboard Website
  */

 #if !CONFIG_K8_REV_F_SUPPORT
 static const char *processor_names[]={
 	/* 0x00 */ "AMD Engineering Sample",
 	/* 0x01-0x03 */ NULL, NULL, NULL,
 	/* 0x04 */ "AMD Athlon(tm) 64 Processor XX00+",
 	/* 0x05 */ "AMD Athlon(tm) 64 X2 Dual Core Processor XX00+",
 	/* 0x06-0x07 */ NULL, NULL,
 	/* 0x08 */ "Mobile AMD Athlon(tm) 64 Processor XX00+",
 	/* 0x09 */ "Mobile AMD Athlon(tm) 64 Processor XX00+",
 	/* 0x0A */ "AMD Turion(tm) 64 Mobile Technology ML-XX",
 	/* 0x0B */ "AMD Turion(tm) 64 Mobile Technology MT-XX",
 	/* 0x0C */ "AMD Opteron(tm) Processor 1YY",
 	/* 0x0D */ "AMD Opteron(tm) Processor 1YY",
 	/* 0x0E */ "AMD Opteron(tm) Processor 1YY HE",
 	/* 0x0F */ "AMD Opteron(tm) Processor 1YY EE",
 	/* 0x10 */ "AMD Opteron(tm) Processor 2YY",
 	/* 0x11 */ "AMD Opteron(tm) Processor 2YY",
 	/* 0x12 */ "AMD Opteron(tm) Processor 2YY HE",
 	/* 0x13 */ "AMD Opteron(tm) Processor 2YY EE",
 	/* 0x14 */ "AMD Opteron(tm) Processor 8YY",
 	/* 0x15 */ "AMD Opteron(tm) Processor 8YY",
 	/* 0x16 */ "AMD Opteron(tm) Processor 8YY HE",
 	/* 0x17 */ "AMD Opteron(tm) Processor 8YY EE",
 	/* 0x18 */ "AMD Athlon(tm) 64 Processor VV00+",
 	/* 0x19-0x1C */ NULL, NULL, NULL, NULL,
 	/* 0x1D */ "Mobile AMD Athlon(tm) XP-M Processor XX00+",
 	/* 0x1E */ "Mobile AMD Athlon(tm) XP-M Processor XX00+",
 	/* 0x1F */ NULL,
 	/* 0x20 */ "AMD Athlon(tm) XP Processor XX00+",
 	/* 0x21 */ "Mobile AMD Sempron(tm) Processor TT00+",
 	/* 0x22 */ "AMD Sempron(tm) Processor TT00+",
 	/* 0x23 */ "Mobile AMD Sempron(tm) Processor TT00+",
 	/* 0x24 */ "AMD Athlon(tm) 64 FX-ZZ Processor",
 	/* 0x25 */ NULL,
 	/* 0x26 */ "AMD Sempron(tm) Processor TT00+",
 	/* 0x27-0x28 */ NULL, NULL,
 	/* 0x29 */ "Dual Core AMD Opteron(tm) Processor 1RR SE",
 	/* 0x2A */ "Dual Core AMD Opteron(tm) Processor 2RR SE",
 	/* 0x2B */ "Dual Core AMD Opteron(tm) Processor 8RR SE",
 	/* 0x2C */ "Dual Core AMD Opteron(tm) Processor 1RR",
 	/* 0x2D */ "Dual Core AMD Opteron(tm) Processor 1RR",
 	/* 0x2E */ "Dual Core AMD Opteron(tm) Processor 1RR HE",
 	/* 0x2F */ "Dual Core AMD Opteron(tm) Processor 1RR EE",
 	/* 0x30 */ "Dual Core AMD Opteron(tm) Processor 2RR",
 	/* 0x31 */ "Dual Core AMD Opteron(tm) Processor 2RR",
 	/* 0x32 */ "Dual Core AMD Opteron(tm) Processor 2RR HE",
 	/* 0x33 */ "Dual Core AMD Opteron(tm) Processor 2RR EE",
 	/* 0x34 */ "Dual Core AMD Opteron(tm) Processor 8RR",
 	/* 0x35 */ "Dual Core AMD Opteron(tm) Processor 8RR",
 	/* 0x36 */ "Dual Core AMD Opteron(tm) Processor 8RR HE",
 	/* 0x37 */ "Dual Core AMD Opteron(tm) Processor 8RR EE",
 	/* 0x38 */ "Dual Core AMD Opteron(tm) Processor 1RR",
 	/* 0x39 */ "Dual Core AMD Opteron(tm) Processor 2RR",
 	/* 0x3A */ "Dual Core AMD Opteron(tm) Processor 8RR"
 #define MAX_CPU_NUMBER 0x3A
 };
 #endif

 int init_processor_name(void)
 {
 #if !CONFIG_K8_REV_F_SUPPORT
 	u32 EightBitBrandId;
 #endif
 	u32 BrandId;
 	u32 BrandTableIndex;
 	u32 NN;
 	u32 ModelNumber=0;
 	msr_t progmsr;
 	int i;

 	const char *processor_name_string=NULL;
 	char program_string[48];
 	unsigned int *program_values = (unsigned int *)program_string;

 #if !CONFIG_K8_REV_F_SUPPORT
 	/* Find out which CPU brand it is */
 	EightBitBrandId = cpuid_ebx(0x00000001) & 0xff;
 	BrandId = cpuid_ebx(0x80000001) & 0xffff;

 	if(!EightBitBrandId && !BrandId) {
 		BrandTableIndex = 0;
 		NN = 0xffffff;
 	} else if(!EightBitBrandId) {
 		BrandTableIndex = (BrandId >> 6) & 0x3f; // BrandId[11:6]
 		NN = BrandId & 0x3f; // // BrandId[6:0]
 	} else {
 		BrandTableIndex = EightBitBrandId >> (5-2) & 0xfc; // { 0b, 8BitBrandId[7:5], 00b }
 		NN = EightBitBrandId & 0x1f; // 8BitBrandId[4:0]
 	}

 	/* Look up the CPU brand in above table */
 	if (BrandTableIndex <= MAX_CPU_NUMBER)
 		processor_name_string = processor_names[BrandTableIndex];

 	if (!processor_name_string)
 		processor_name_string = "AMD Processor model unknown";
 #endif

 #if CONFIG_K8_REV_F_SUPPORT
 	u32 Socket;
 	u32 CmpCap;
 	u32 PwrLmt;

 	BrandId = cpuid_ebx(0x80000001) & 0xffff;
 	Socket = (cpuid_eax(0x80000001) & 0x00000030) >> 4; // 00b = S1g1, 01b = F (1207), 11b = AM2
 	CmpCap = cpuid_ecx(0x80000008) & 0x03; // Number of CPU cores

 	PwrLmt = ((BrandId >> 14) & 0x01) | ((BrandId >> 5) & 0x0e); // BrandId[8:6,14]
 	BrandTableIndex = (BrandId >> 9) & 0x1f; // BrandId[13:9]
 	NN = ((BrandId >> 15) & 0x01) | (BrandId & 0x3f); // BrandId[15,5:0]

 	if (((BrandTableIndex == 0) && (PwrLmt == 0)) || (NN == 0)) {
 		processor_name_string = "AMD Engineering Sample";
 	} else {
 		/* Use all fields to identify CPU */
 		switch ((Socket << 16) | (CmpCap << 12) | (BrandTableIndex << 4)
 			| PwrLmt) {
 		/* Socket F */
 		case 0x10012:
 			processor_name_string =
 			    "AMD Opteron(tm) Processor 22RR EE";
 			break;
 		case 0x11002:
 			processor_name_string =
 			    "Dual-Core AMD Opteron(tm) Processor 12RR EE";
 			break;
 		case 0x11006:
 			processor_name_string =
 			    "Dual-Core AMD Opteron(tm) Processor 12RR HE";
 			break;
 		case 0x11012:
 			processor_name_string =
 			    "Dual-Core AMD Opteron(tm) Processor 22RR EE";
 			break;
 		case 0x11016:
 			processor_name_string =
 			    "Dual-Core AMD Opteron(tm) Processor 22RR HE";
 			break;
 		case 0x1101a:
 			processor_name_string =
 			    "Dual-Core AMD Opteron(tm) Processor 22RR";
 			break;
 		case 0x1101c:
 			processor_name_string =
 			    "Dual-Core AMD Opteron(tm) Processor 22RR SE";
 			break;
 		case 0x11042:
 			processor_name_string =
 			    "Dual-Core AMD Opteron(tm) Processor 82RR EE";
 			break;
 		case 0x11046:
 			processor_name_string =
 			    "Dual-Core AMD Opteron(tm) Processor 82RR HE";
 			break;
 		case 0x1104a:
 			processor_name_string =
 			    "Dual-Core AMD Opteron(tm) Processor 82RR";
 			break;
 		case 0x1104c:
 			processor_name_string =
 			    "Dual-Core AMD Opteron(tm) Processor 82RR SE";
 			break;
 		case 0x1106e:
 			processor_name_string =
 			    "AMD Athlon(tm) 64 Processor FX-ZZ Processor";
 			break;
 		/* Socket AM2 */
 		/* single core */
 		case 0x30015:
 			processor_name_string =
 			    "AMD Sempron(tm) Processor LE-1RR0";
 			break;
 		case 0x30026:
 			processor_name_string =
 			    "AMD Athlon(tm) Processor LE-1ZZ0";
 			break;
 		case 0x30036:
 			processor_name_string =
 			    "AMD Athlon(tm) Processor 1ZZ0B";
 			break;
 		case 0x30041:
 		case 0x30042:
 		case 0x30043:
 		case 0x30044:
 		case 0x30045:
 		case 0x30048:
 			processor_name_string =
 			    "AMD Athlon(tm) 64 Processor TT00+";
 			break;
 		case 0x30052:
 			processor_name_string =
 			    "AMD Sempron(tm) Processor RR50p";
 		case 0x30064:
 		case 0x30068:
 			processor_name_string =
 			    "AMD Sempron(tm) Processor TT00+";
 			break;
 		case 0x30071:
 		case 0x30072:
 			processor_name_string =
 			    "AMD Sempron(tm) Processor TT0U";
 			break;
 		case 0x30082:
 		case 0x30083:
 			processor_name_string =
 			    "AMD Athlon(tm) Processor TT50e";
 			break;
 		case 0x30092:
 			processor_name_string =
 			    "AMD Athlon(tm) Neo Processor MV-TT";
 			break;
 		case 0x300c2:
 			processor_name_string =
 			    "AMD Sempron(tm) Processor 2RRU";
 			break;
 		/* dual-core */
 		case 0x31016:
 			processor_name_string =
 			    "Dual-Core AMD Opteron(tm) Processor 12RR HE";
 			break;
 		case 0x3101a:
 			processor_name_string =
 			    "Dual-Core AMD Opteron(tm) Processor 12RR";
 			break;
 		case 0x3101c:
 			processor_name_string =
 			    "Dual-Core AMD Opteron(tm) Processor 12RR SE";
 			break;
 		case 0x31033:
 			processor_name_string =
 			    "AMD Athlon(tm) X2 Dual Core Processor BE-2TT0";
 			break;
 		case 0x31041:
 		case 0x31042:
 		case 0x31046:
 		case 0x31048:
 		case 0x3104c:
 			processor_name_string =
 			    "AMD Athlon(tm) 64 X2 Dual Core Processor TT00+";
 			break;
 		case 0x3105c:
 			processor_name_string =
 			    "AMD Athlon(tm) 64 FX-ZZ Dual Core Processor";
 			break;
 		case 0x31066:
 			processor_name_string =
 			    "AMD Sempron(tm) Dual Core Processor RR00";
 			break;
 		case 0x31073:
 			processor_name_string =
 			    "AMD Athlon(tm) Dual Core Processor TT50e";
 			break;
 		case 0x31076:
 		case 0x31077:
 			processor_name_string =
 			    "AMD Athlon(tm) Dual Core Processor TT00B";
 			break;
 		case 0x31083:
 			processor_name_string =
 			    "AMD Athlon(tm) Dual Core Processor TT50B";
 			break;
 		case 0x31091:
 			processor_name_string =
 			    "AMD Athlon(tm) X2 Dual Core Processor TT50e";
 			break;
 		case 0x310a1:
 		case 0x310a2:
 			processor_name_string =
 			    "AMD Athlon(tm) Neo X2 Dual Core Processor TT50e";
 			break;
 		case 0x310b0:
 		case 0x310c0:
 			processor_name_string =
 			    "AMD Turion(tm) Neo X2 Dual Core Processor L6RR";
 			break;
 		/* Socket S1g1 */
 		/* single core */
 		case 0x00012:
 			processor_name_string =
 			    "AMD Athlon(tm) 64 Processor TT00+";
 			break;
 		case 0x0002c:
 			processor_name_string =
 			    "AMD Turion(tm) 64 Mobile Technology MK-YY";
 			break;
 		case 0x00031:
 			processor_name_string =
 			    "Mobile AMD Sempron(tm) Processor TT00+";
 			break;
 		case 0x00036:
 			processor_name_string =
 			    "Mobile AMD Sempron(tm) Processor PP00+";
 			break;
 		case 0x0003c:
 			processor_name_string =
 			    "Mobile AMD Sempron(tm) Processor PP00+";
 			break;
 		case 0x00042:
 			processor_name_string =
 			    "AMD Sempron(tm) Processor TT00+";
 			break;
 		case 0x00064:
 		case 0x00066:
 		case 0x0006c:
 			processor_name_string =
 			    "AMD Athlon(tm) Processor TF-TT";
 			break;
 		case 0x00073:
 			processor_name_string =
 			    "AMD Athlon(tm) Processor L1RR";
 			break;
 		/* dual-core */
 		case 0x0101c:
 			processor_name_string =
 			    "AMD Sempron(tm) Dual Core Processor TJ-YY";
 			break;
 		case 0x0102c:
 			processor_name_string =
 			    "AMD Turion(tm) 64 X2 Mobile Technology TL-YY";
 			break;
 		case 0x01034:
 		case 0x0103c:
 			processor_name_string =
 			    "AMD Athlon(tm) 64 X2 Dual-Core Processor TK-YY";
 			break;
 		case 0x01054:
 			processor_name_string =
 			    "AMD Athlon(tm) 64 X2 Dual Core Processor TT00+";
 			break;
 		case 0x01062:
 			processor_name_string =
 			    "AMD Athlon(tm) X2 Dual Core Processor L3RR";
 			break;
 		case 0x01074:
 			processor_name_string =
 			    "AMD Athlon(tm) X2 Dual Core Processor L5RR";
 			break;
 		default:
 			processor_name_string = "AMD Processor model unknown";
 		}
 	}
 #endif

 	memset(program_string, 0, 48);
 	strcpy(program_string, processor_name_string);

 	/* Now create a model number - See Table 4. Model Number Calculation
 	 * in the Revision Guide. NOTE: #6, EE was changed to VV because
 	 * otherwise it clashes with the brand names.
 	 */

 	for (i=0; i<47; i++) { // 48 -1
 		if(program_string[i] == program_string[i+1]) {
 			switch (program_string[i]) {
 #if !CONFIG_K8_REV_F_SUPPORT
 			case 'X': ModelNumber = 22+ NN; break;
 			case 'Y': ModelNumber = 38 + (2*NN); break;
 			case 'Z':
 			case 'T': ModelNumber = 24 + NN; break;
 			case 'R': ModelNumber = 45 + (5*NN); break;
 			case 'V': ModelNumber =  9 + NN; break;
 #endif

 #if CONFIG_K8_REV_F_SUPPORT
 			case 'R': ModelNumber = NN - 1; break;
 			case 'P': ModelNumber = 26 + NN; break;
 			case 'T': ModelNumber = 15 + (CmpCap * 10) + NN; break;
 			case 'Z': ModelNumber = 57 + NN; break;
 			case 'Y': ModelNumber = 29 + NN; break;
 #endif
 			}

 			if(ModelNumber && ModelNumber < 100) {
 				// No idea what to do with RR=100. According
 				// to the revision guide this is possible.
 				//
 				// --> "AMD Opteron(tm) Processor 8100"?
 				program_string[i]=(ModelNumber/10)+'0';
 				program_string[i+1]=(ModelNumber%10)+'0';
 				break;
 			}
 		}
 	}

 	printk(BIOS_DEBUG, "CPU model %s\n", program_string);

 	for (i=0; i<6; i++) {
 		progmsr.lo = program_values[(2*i)+0];
 		progmsr.hi = program_values[(2*i)+1];
 		wrmsr_amd(0xc0010030+i, progmsr);
 	}

 	return 0;
 }
	/*
	* This file is part of the coreboot project.
	*
	* Copyright (C) 2006 coresystems GmbH
	* (Written by Stefan Reinauer <stepan@coresystems.de> for coresystems GmbH)
	* Copyright (C) 2007 University of Mannheim
	* (Written by Sven Kapferer <skapfere@rumms.uni-mannheim.de> for Uni Ma.)
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; version 2 of the License.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
	*/

	/*
	* This code sets the Processor Name String for AMD64 CPUs.
	*
	* Written by Stefan Reinauer <stepan@coresystems.de> using
	* the Revision Guide for AMD Athlon™ 64 and AMD Opteron™ Processors
	* Document ID 25759 Rev 3.59, April 2006 (Public Version).
	*
	* Updated by Sven Kapferer <skapfere@rumms.uni-mannheim.de> using
	* the Revision Guide for AMD NPT Family 0Fh Processors
	* Document ID 33610 Rev 3.00, October 2006 (Public Version).
	*/

	#include <console/console.h>
	#include <string.h>
	#include <cpu/x86/msr.h>
	#include <cpu/amd/mtrr.h>
	#include <cpu/amd/model_fxx_rev.h>

	/* The maximum length of CPU names is 48 bytes, including the final NULL byte.
	* If you change these names your BIOS will _NOT_ pass the AMD validation and
	* your mainboard will not be posted on the AMD Recommended Motherboard Website
	*/

	#if !CONFIG_K8_REV_F_SUPPORT
	static const char *processor_names[]={
	/* 0x00 */ "AMD Engineering Sample",
	/* 0x01-0x03 */ NULL, NULL, NULL,
	/* 0x04 */ "AMD Athlon(tm) 64 Processor XX00+",
	/* 0x05 */ "AMD Athlon(tm) 64 X2 Dual Core Processor XX00+",
	/* 0x06-0x07 */ NULL, NULL,
	/* 0x08 */ "Mobile AMD Athlon(tm) 64 Processor XX00+",
	/* 0x09 */ "Mobile AMD Athlon(tm) 64 Processor XX00+",
	/* 0x0A */ "AMD Turion(tm) 64 Mobile Technology ML-XX",
	/* 0x0B */ "AMD Turion(tm) 64 Mobile Technology MT-XX",
	/* 0x0C */ "AMD Opteron(tm) Processor 1YY",
	/* 0x0D */ "AMD Opteron(tm) Processor 1YY",
	/* 0x0E */ "AMD Opteron(tm) Processor 1YY HE",
	/* 0x0F */ "AMD Opteron(tm) Processor 1YY EE",
	/* 0x10 */ "AMD Opteron(tm) Processor 2YY",
	/* 0x11 */ "AMD Opteron(tm) Processor 2YY",
	/* 0x12 */ "AMD Opteron(tm) Processor 2YY HE",
	/* 0x13 */ "AMD Opteron(tm) Processor 2YY EE",
	/* 0x14 */ "AMD Opteron(tm) Processor 8YY",
	/* 0x15 */ "AMD Opteron(tm) Processor 8YY",
	/* 0x16 */ "AMD Opteron(tm) Processor 8YY HE",
	/* 0x17 */ "AMD Opteron(tm) Processor 8YY EE",
	/* 0x18 */ "AMD Athlon(tm) 64 Processor VV00+",
	/* 0x19-0x1C */ NULL, NULL, NULL, NULL,
	/* 0x1D */ "Mobile AMD Athlon(tm) XP-M Processor XX00+",
	/* 0x1E */ "Mobile AMD Athlon(tm) XP-M Processor XX00+",
	/* 0x1F */ NULL,
	/* 0x20 */ "AMD Athlon(tm) XP Processor XX00+",
	/* 0x21 */ "Mobile AMD Sempron(tm) Processor TT00+",
	/* 0x22 */ "AMD Sempron(tm) Processor TT00+",
	/* 0x23 */ "Mobile AMD Sempron(tm) Processor TT00+",
	/* 0x24 */ "AMD Athlon(tm) 64 FX-ZZ Processor",
	/* 0x25 */ NULL,
	/* 0x26 */ "AMD Sempron(tm) Processor TT00+",
	/* 0x27-0x28 */ NULL, NULL,
	/* 0x29 */ "Dual Core AMD Opteron(tm) Processor 1RR SE",
	/* 0x2A */ "Dual Core AMD Opteron(tm) Processor 2RR SE",
	/* 0x2B */ "Dual Core AMD Opteron(tm) Processor 8RR SE",
	/* 0x2C */ "Dual Core AMD Opteron(tm) Processor 1RR",
	/* 0x2D */ "Dual Core AMD Opteron(tm) Processor 1RR",
	/* 0x2E */ "Dual Core AMD Opteron(tm) Processor 1RR HE",
	/* 0x2F */ "Dual Core AMD Opteron(tm) Processor 1RR EE",
	/* 0x30 */ "Dual Core AMD Opteron(tm) Processor 2RR",
	/* 0x31 */ "Dual Core AMD Opteron(tm) Processor 2RR",
	/* 0x32 */ "Dual Core AMD Opteron(tm) Processor 2RR HE",
	/* 0x33 */ "Dual Core AMD Opteron(tm) Processor 2RR EE",
	/* 0x34 */ "Dual Core AMD Opteron(tm) Processor 8RR",
	/* 0x35 */ "Dual Core AMD Opteron(tm) Processor 8RR",
	/* 0x36 */ "Dual Core AMD Opteron(tm) Processor 8RR HE",
	/* 0x37 */ "Dual Core AMD Opteron(tm) Processor 8RR EE",
	/* 0x38 */ "Dual Core AMD Opteron(tm) Processor 1RR",
	/* 0x39 */ "Dual Core AMD Opteron(tm) Processor 2RR",
	/* 0x3A */ "Dual Core AMD Opteron(tm) Processor 8RR"
	#define MAX_CPU_NUMBER 0x3A
	};
	#endif

	int init_processor_name(void)
	{
	#if !CONFIG_K8_REV_F_SUPPORT
	u32 EightBitBrandId;
	#endif
	u32 BrandId;
	u32 BrandTableIndex;
	u32 NN;
	u32 ModelNumber=0;
	msr_t progmsr;
	int i;

	const char *processor_name_string=NULL;
	char program_string[48];
	unsigned int program_values = (unsigned int )program_string;

	#if !CONFIG_K8_REV_F_SUPPORT
	/* Find out which CPU brand it is */
	EightBitBrandId = cpuid_ebx(0x00000001) & 0xff;
	BrandId = cpuid_ebx(0x80000001) & 0xffff;

	if(!EightBitBrandId && !BrandId) {
	BrandTableIndex = 0;
	NN = 0xffffff;
	} else if(!EightBitBrandId) {
	BrandTableIndex = (BrandId >> 6) & 0x3f; // BrandId[11:6]
	NN = BrandId & 0x3f; // // BrandId[6:0]
	} else {
	BrandTableIndex = EightBitBrandId >> (5-2) & 0xfc; // { 0b, 8BitBrandId[7:5], 00b }
	NN = EightBitBrandId & 0x1f; // 8BitBrandId[4:0]
	}

	/* Look up the CPU brand in above table */
	if (BrandTableIndex <= MAX_CPU_NUMBER)
	processor_name_string = processor_names[BrandTableIndex];

	if (!processor_name_string)
	processor_name_string = "AMD Processor model unknown";
	#endif

	#if CONFIG_K8_REV_F_SUPPORT
	u32 Socket;
	u32 CmpCap;
	u32 PwrLmt;

	BrandId = cpuid_ebx(0x80000001) & 0xffff;
	Socket = (cpuid_eax(0x80000001) & 0x00000030) >> 4; // 00b = S1g1, 01b = F (1207), 11b = AM2
	CmpCap = cpuid_ecx(0x80000008) & 0x03; // Number of CPU cores

	PwrLmt = ((BrandId >> 14) & 0x01) \| ((BrandId >> 5) & 0x0e); // BrandId[8:6,14]
	BrandTableIndex = (BrandId >> 9) & 0x1f; // BrandId[13:9]
	NN = ((BrandId >> 15) & 0x01) \| (BrandId & 0x3f); // BrandId[15,5:0]

	if (((BrandTableIndex == 0) && (PwrLmt == 0)) \|\| (NN == 0)) {
	processor_name_string = "AMD Engineering Sample";
	} else {
	/* Use all fields to identify CPU */
	switch ((Socket << 16) \| (CmpCap << 12) \| (BrandTableIndex << 4)
	\| PwrLmt) {
	/* Socket F */
	case 0x10012:
	processor_name_string =
	"AMD Opteron(tm) Processor 22RR EE";
	break;
	case 0x11002:
	processor_name_string =
	"Dual-Core AMD Opteron(tm) Processor 12RR EE";
	break;
	case 0x11006:
	processor_name_string =
	"Dual-Core AMD Opteron(tm) Processor 12RR HE";
	break;
	case 0x11012:
	processor_name_string =
	"Dual-Core AMD Opteron(tm) Processor 22RR EE";
	break;
	case 0x11016:
	processor_name_string =
	"Dual-Core AMD Opteron(tm) Processor 22RR HE";
	break;
	case 0x1101a:
	processor_name_string =
	"Dual-Core AMD Opteron(tm) Processor 22RR";
	break;
	case 0x1101c:
	processor_name_string =
	"Dual-Core AMD Opteron(tm) Processor 22RR SE";
	break;
	case 0x11042:
	processor_name_string =
	"Dual-Core AMD Opteron(tm) Processor 82RR EE";
	break;
	case 0x11046:
	processor_name_string =
	"Dual-Core AMD Opteron(tm) Processor 82RR HE";
	break;
	case 0x1104a:
	processor_name_string =
	"Dual-Core AMD Opteron(tm) Processor 82RR";
	break;
	case 0x1104c:
	processor_name_string =
	"Dual-Core AMD Opteron(tm) Processor 82RR SE";
	break;
	case 0x1106e:
	processor_name_string =
	"AMD Athlon(tm) 64 Processor FX-ZZ Processor";
	break;
	/* Socket AM2 */
	/* single core */
	case 0x30015:
	processor_name_string =
	"AMD Sempron(tm) Processor LE-1RR0";
	break;
	case 0x30026:
	processor_name_string =
	"AMD Athlon(tm) Processor LE-1ZZ0";
	break;
	case 0x30036:
	processor_name_string =
	"AMD Athlon(tm) Processor 1ZZ0B";
	break;
	case 0x30041:
	case 0x30042:
	case 0x30043:
	case 0x30044:
	case 0x30045:
	case 0x30048:
	processor_name_string =
	"AMD Athlon(tm) 64 Processor TT00+";
	break;
	case 0x30052:
	processor_name_string =
	"AMD Sempron(tm) Processor RR50p";
	case 0x30064:
	case 0x30068:
	processor_name_string =
	"AMD Sempron(tm) Processor TT00+";
	break;
	case 0x30071:
	case 0x30072:
	processor_name_string =
	"AMD Sempron(tm) Processor TT0U";
	break;
	case 0x30082:
	case 0x30083:
	processor_name_string =
	"AMD Athlon(tm) Processor TT50e";
	break;
	case 0x30092:
	processor_name_string =
	"AMD Athlon(tm) Neo Processor MV-TT";
	break;
	case 0x300c2:
	processor_name_string =
	"AMD Sempron(tm) Processor 2RRU";
	break;
	/* dual-core */
	case 0x31016:
	processor_name_string =
	"Dual-Core AMD Opteron(tm) Processor 12RR HE";
	break;
	case 0x3101a:
	processor_name_string =
	"Dual-Core AMD Opteron(tm) Processor 12RR";
	break;
	case 0x3101c:
	processor_name_string =
	"Dual-Core AMD Opteron(tm) Processor 12RR SE";
	break;
	case 0x31033:
	processor_name_string =
	"AMD Athlon(tm) X2 Dual Core Processor BE-2TT0";
	break;
	case 0x31041:
	case 0x31042:
	case 0x31046:
	case 0x31048:
	case 0x3104c:
	processor_name_string =
	"AMD Athlon(tm) 64 X2 Dual Core Processor TT00+";
	break;
	case 0x3105c:
	processor_name_string =
	"AMD Athlon(tm) 64 FX-ZZ Dual Core Processor";
	break;
	case 0x31066:
	processor_name_string =
	"AMD Sempron(tm) Dual Core Processor RR00";
	break;
	case 0x31073:
	processor_name_string =
	"AMD Athlon(tm) Dual Core Processor TT50e";
	break;
	case 0x31076:
	case 0x31077:
	processor_name_string =
	"AMD Athlon(tm) Dual Core Processor TT00B";
	break;
	case 0x31083:
	processor_name_string =
	"AMD Athlon(tm) Dual Core Processor TT50B";
	break;
	case 0x31091:
	processor_name_string =
	"AMD Athlon(tm) X2 Dual Core Processor TT50e";
	break;
	case 0x310a1:
	case 0x310a2:
	processor_name_string =
	"AMD Athlon(tm) Neo X2 Dual Core Processor TT50e";
	break;
	case 0x310b0:
	case 0x310c0:
	processor_name_string =
	"AMD Turion(tm) Neo X2 Dual Core Processor L6RR";
	break;
	/* Socket S1g1 */
	/* single core */
	case 0x00012:
	processor_name_string =
	"AMD Athlon(tm) 64 Processor TT00+";
	break;
	case 0x0002c:
	processor_name_string =
	"AMD Turion(tm) 64 Mobile Technology MK-YY";
	break;
	case 0x00031:
	processor_name_string =
	"Mobile AMD Sempron(tm) Processor TT00+";
	break;
	case 0x00036:
	processor_name_string =
	"Mobile AMD Sempron(tm) Processor PP00+";
	break;
	case 0x0003c:
	processor_name_string =
	"Mobile AMD Sempron(tm) Processor PP00+";
	break;
	case 0x00042:
	processor_name_string =
	"AMD Sempron(tm) Processor TT00+";
	break;
	case 0x00064:
	case 0x00066:
	case 0x0006c:
	processor_name_string =
	"AMD Athlon(tm) Processor TF-TT";
	break;
	case 0x00073:
	processor_name_string =
	"AMD Athlon(tm) Processor L1RR";
	break;
	/* dual-core */
	case 0x0101c:
	processor_name_string =
	"AMD Sempron(tm) Dual Core Processor TJ-YY";
	break;
	case 0x0102c:
	processor_name_string =
	"AMD Turion(tm) 64 X2 Mobile Technology TL-YY";
	break;
	case 0x01034:
	case 0x0103c:
	processor_name_string =
	"AMD Athlon(tm) 64 X2 Dual-Core Processor TK-YY";
	break;
	case 0x01054:
	processor_name_string =
	"AMD Athlon(tm) 64 X2 Dual Core Processor TT00+";
	break;
	case 0x01062:
	processor_name_string =
	"AMD Athlon(tm) X2 Dual Core Processor L3RR";
	break;
	case 0x01074:
	processor_name_string =
	"AMD Athlon(tm) X2 Dual Core Processor L5RR";
	break;
	default:
	processor_name_string = "AMD Processor model unknown";
	}
	}
	#endif

	memset(program_string, 0, 48);
	strcpy(program_string, processor_name_string);

	/* Now create a model number - See Table 4. Model Number Calculation
	* in the Revision Guide. NOTE: #6, EE was changed to VV because
	* otherwise it clashes with the brand names.
	*/

	for (i=0; i<47; i++) { // 48 -1
	if(program_string[i] == program_string[i+1]) {
	switch (program_string[i]) {
	#if !CONFIG_K8_REV_F_SUPPORT
	case 'X': ModelNumber = 22+ NN; break;
	case 'Y': ModelNumber = 38 + (2*NN); break;
	case 'Z':
	case 'T': ModelNumber = 24 + NN; break;
	case 'R': ModelNumber = 45 + (5*NN); break;
	case 'V': ModelNumber = 9 + NN; break;
	#endif

	#if CONFIG_K8_REV_F_SUPPORT
	case 'R': ModelNumber = NN - 1; break;
	case 'P': ModelNumber = 26 + NN; break;
	case 'T': ModelNumber = 15 + (CmpCap * 10) + NN; break;
	case 'Z': ModelNumber = 57 + NN; break;
	case 'Y': ModelNumber = 29 + NN; break;
	#endif
	}

	if(ModelNumber && ModelNumber < 100) {
	// No idea what to do with RR=100. According
	// to the revision guide this is possible.
	//
	// --> "AMD Opteron(tm) Processor 8100"?
	program_string[i]=(ModelNumber/10)+'0';
	program_string[i+1]=(ModelNumber%10)+'0';
	break;
	}
	}
	}

	printk(BIOS_DEBUG, "CPU model %s\n", program_string);

	for (i=0; i<6; i++) {
	progmsr.lo = program_values[(2*i)+0];
	progmsr.hi = program_values[(2*i)+1];
	wrmsr_amd(0xc0010030+i, progmsr);
	}

	return 0;
	}