/* * 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 * * 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 #include #include #include #include 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; }