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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007 Advanced Micro Devices, Inc.
* Copyright (C) 2008 Peter Stuge
* Copyright (C) 2010 Marc Jones <marcj303@gmail.com>
*
* 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.
*
* Revision Guide for AMD Family 10h Processors
* Publication # 41322 Revision: 3.17 Issue Date: February 2008
*/
#include <console/console.h>
#include <string.h>
#include <cpu/x86/msr.h>
#include <cpu/cpu.h>
#include <cpu/amd/model_10xxx_rev.h>
extern void wrmsr_amd(u32 index, msr_t msr);
/* 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
*/
struct str_s {
u8 Pg;
u8 NC;
u8 String;
char const *value;
};
static const struct str_s String1_socket_F[] = {
{0x00, 0x01, 0x00, "Dual-Core AMD Opteron(tm) Processor 83"},
{0x00, 0x01, 0x01, "Dual-Core AMD Opteron(tm) Processor 23"},
{0x00, 0x03, 0x00, "Quad-Core AMD Opteron(tm) Processor 83"},
{0x00, 0x03, 0x01, "Quad-Core AMD Opteron(tm) Processor 23"},
{0x00, 0x03, 0x02, "Embedded AMD Opteron(tm) Processor 83"},
{0x00, 0x03, 0x03, "Embedded AMD Opteron(tm) Processor 23"},
{0x00, 0x03, 0x04, "Embedded AMD Opteron(tm) Processor 13"},
{0x00, 0x03, 0x05, "AMD Phenom(tm) FX-"},
{0x01, 0x01, 0x01, "Embedded AMD Opteron(tm) Processor"},
{0, 0, 0, NULL}
};
static const struct str_s String2_socket_F[] = {
{0x00, 0xFF, 0x0A, " SE"},
{0x00, 0xFF, 0x0B, " HE"},
{0x00, 0xFF, 0x0C, " EE"},
{0x00, 0xFF, 0x0D, " Quad-Core Processor"},
{0x00, 0xFF, 0x0F, ""},
{0x01, 0x01, 0x01, "GF HE"},
{0, 0, 0, NULL}
};
static const struct str_s String1_socket_AM2[] = {
{0x00, 0x00, 0x00, "AMD Athlon(tm) Processor LE-"},
{0x00, 0x00, 0x01, "AMD Sempron(tm) Processor LE-"},
{0x00, 0x00, 0x02, "AMD Sempron(tm) 1"},
{0x00, 0x00, 0x03, "AMD Athlon(tm) II 1"},
{0x00, 0x01, 0x00, "Dual-Core AMD Opteron(tm) Processor 13"},
{0x00, 0x01, 0x01, "AMD Athlon(tm)"},
{0x00, 0x01, 0x03, "AMD Athlon(tm) II X2 2"},
{0x00, 0x01, 0x04, "AMD Athlon(tm) II X2 B"},
{0x00, 0x01, 0x05, "AMD Athlon(tm) II X2"},
{0x00, 0x01, 0x07, "AMD Phenom(tm) II X2 5"},
{0x00, 0x01, 0x0A, "AMD Phenom(tm) II X2"},
{0x00, 0x01, 0x0B, "AMD Phenom(tm) II X2 B"},
{0x00, 0x02, 0x00, "AMD Phenom(tm)"},
{0x00, 0x02, 0x03, "AMD Phenom(tm) II X3 B"},
{0x00, 0x02, 0x04, "AMD Phenom(tm) II X3"},
{0x00, 0x02, 0x07, "AMD Athlon(tm) II X3 4"},
{0x00, 0x02, 0x08, "AMD Phenom(tm) II X3 7"},
{0x00, 0x02, 0x0A, "AMD Athlon(tm) II X3"},
{0x00, 0x03, 0x00, "Quad-Core AMD Opteron(tm) Processor 13"},
{0x00, 0x03, 0x01, "AMD Phenom(tm) FX-"},
{0x00, 0x03, 0x02, "AMD Phenom(tm)"},
{0x00, 0x03, 0x03, "AMD Phenom(tm) II X4 9"},
{0x00, 0x03, 0x04, "AMD Phenom(tm) II X4 8"},
{0x00, 0x03, 0x07, "AMD Phenom(tm) II X4 B"},
{0x00, 0x03, 0x08, "AMD Phenom(tm) II X4"},
{0x00, 0x03, 0x0A, "AMD Athlon(tm) II X4 6"},
{0x00, 0x03, 0x0F, "AMD Athlon(tm) II X4"},
{0, 0, 0, NULL}
};
static const struct str_s String2_socket_AM2[] = {
{0x00, 0x00, 0x00, "00"},
{0x00, 0x00, 0x01, "10"},
{0x00, 0x00, 0x02, "20"},
{0x00, 0x00, 0x03, "30"},
{0x00, 0x00, 0x04, "40"},
{0x00, 0x00, 0x05, "50"},
{0x00, 0x00, 0x06, "60"},
{0x00, 0x00, 0x07, "70"},
{0x00, 0x00, 0x08, "80"},
{0x00, 0x00, 0x09, "90"},
{0x00, 0x00, 0x09, " Processor"},
{0x00, 0x00, 0x09, "u Processor"},
{0x00, 0x01, 0x00, "00 Dual-Core Processor"},
{0x00, 0x01, 0x01, "00e Dual-Core Processor"},
{0x00, 0x01, 0x02, "00B Dual-Core Processor"},
{0x00, 0x01, 0x03, "50 Dual-Core Processor"},
{0x00, 0x01, 0x04, "50e Dual-Core Processor"},
{0x00, 0x01, 0x05, "50B Dual-Core Processor"},
{0x00, 0x01, 0x06, " Processor"},
{0x00, 0x01, 0x07, "e Processor"},
{0x00, 0x01, 0x09, "0 Processor"},
{0x00, 0x01, 0x0A, "0e Processor"},
{0x00, 0x01, 0x0B, "u Processor"},
{0x00, 0x02, 0x00, "00 Triple-Core Processor"},
{0x00, 0x02, 0x01, "00e Triple-Core Processor"},
{0x00, 0x02, 0x02, "00B Triple-Core Processor"},
{0x00, 0x02, 0x03, "50 Triple-Core Processor"},
{0x00, 0x02, 0x04, "50e Triple-Core Processor"},
{0x00, 0x02, 0x05, "50B Triple-Core Processor"},
{0x00, 0x02, 0x06, " Processor"},
{0x00, 0x02, 0x07, "e Processor"},
{0x00, 0x02, 0x09, "0e Processor"},
{0x00, 0x02, 0x0A, "0 Processor"},
{0x00, 0x03, 0x00, "00 Quad-Core Processor"},
{0x00, 0x03, 0x01, "00e Quad-Core Processor"},
{0x00, 0x03, 0x02, "00B Quad-Core Processor"},
{0x00, 0x03, 0x03, "50 Quad-Core Processor"},
{0x00, 0x03, 0x04, "50e Quad-Core Processor"},
{0x00, 0x03, 0x05, "50B Quad-Core Processor"},
{0x00, 0x03, 0x06, " Processor"},
{0x00, 0x03, 0x07, "e Processor"},
{0x00, 0x03, 0x09, "0e Processor"},
{0x00, 0x03, 0x0A, " SE"},
{0x00, 0x03, 0x0B, " HE"},
{0x00, 0x03, 0x0C, " EE"},
{0x00, 0x03, 0x0D, " Quad-Core Processor"},
{0x00, 0x03, 0x0E, "0 Processor"},
{0x00, 0xFF, 0x0F, ""},
{0, 0, 0, NULL}
};
const char const *unknown = "AMD Processor model unknown";
const char const *unknown2 = " type unknown";
const char const *sample = "AMD Engineering Sample";
const char const *thermal = "AMD Thermal Test Kit";
static int strcpymax(char *dst, const char *src, int buflen)
{
int i;
for (i = 0; i < buflen && src[i]; i++)
dst[i] = src[i];
if (i >= buflen)
i--;
dst[i] = 0;
return i;
}
int init_processor_name(void)
{
/* variable names taken from fam10 revision guide for clarity */
u32 BrandId; /* CPUID Fn8000_0001_EBX */
u8 String1; /* BrandID[14:11] */
u8 String2; /* BrandID[3:0] */
u8 Model; /* BrandID[10:4] */
u8 Pg; /* BrandID[15] */
u8 PkgTyp; /* BrandID[31:28] */
u8 NC; /* CPUID Fn8000_0008_ECX */
const char *processor_name_string = unknown;
char program_string[48];
u32 *p_program_string = (u32 *)program_string;
msr_t msr;
int i, j = 0, str2_checkNC = 1;
const struct str_s *str, *str2;
/* Find out which CPU brand it is */
BrandId = cpuid_ebx(0x80000001);
String1 = (u8)((BrandId >> 11) & 0x0F);
String2 = (u8)((BrandId >> 0) & 0x0F);
Model = (u8)((BrandId >> 4) & 0x7F);
Pg = (u8)((BrandId >> 15) & 0x01);
PkgTyp = (u8)((BrandId >> 28) & 0x0F);
NC = (u8)(cpuid_ecx(0x80000008) & 0xFF);
/* null the string */
memset(program_string, 0, sizeof(program_string));
if (!Model) {
processor_name_string = Pg ? sample : thermal;
goto done;
}
switch (PkgTyp) {
case 0: /* F1207 */
str = String1_socket_F;
str2 = String2_socket_F;
str2_checkNC = 0;
break;
case 1: /* AM2 */
str = String1_socket_AM2;
str2 = String2_socket_AM2;
break;
default:
goto done;
}
/* String1 */
for (i = 0; str[i].value; i++) {
if ((str[i].Pg == Pg) &&
(str[i].NC == NC) &&
(str[i].String == String1)) {
processor_name_string = str[i].value;
break;
}
}
if (!str[i].value)
goto done;
j = strcpymax(program_string, processor_name_string,
sizeof(program_string));
/* Translate Model from 01-99 to ASCII and put it on the end.
* Numbers less than 10 should include a leading zero, e.g., 09.*/
if (Model < 100 && j < sizeof(program_string) - 2) {
program_string[j++] = (Model / 10) + '0';
program_string[j++] = (Model % 10) + '0';
}
processor_name_string = unknown2;
/* String 2 */
for(i = 0; str2[i].value; i++) {
if ((str2[i].Pg == Pg) &&
((str2[i].NC == NC) || !str2_checkNC) &&
(str2[i].String == String2)) {
processor_name_string = str2[i].value;
break;
}
}
done:
strcpymax(&program_string[j], processor_name_string,
sizeof(program_string) - j);
printk(BIOS_DEBUG, "CPU model: %s\n", program_string);
for (i = 0; i < 6; i++) {
msr.lo = p_program_string[(2 * i) + 0];
msr.hi = p_program_string[(2 * i) + 1];
wrmsr_amd(0xC0010030 + i, msr);
}
return 0;
}
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