src/cpu/amd/model_fxx/model_fxx_update_microcode.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2005 Advanced Micro Devices, Inc.
   5  * Copyright (C) 2010 Advanced Micro Devices, Inc.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  20  */
  21
  22 /*
  23  * Description: Microcode patch support for k8 by yhlu
  24  */
  25
  26
  27 #include <console/console.h>
  28 #include <device/device.h>
  29 #include <device/pci.h>
  30 #include <string.h>
  31
  32 #include <cpu/amd/microcode.h>
  33
  34 static uint8_t microcode_updates[] __attribute__ ((aligned(16))) = {
  35
  36 #if CONFIG_K8_REV_F_SUPPORT == 0
  37         #include "microcode_rev_c.h"
  38         #include "microcode_rev_d.h"
  39         #include "microcode_rev_e.h"
  40 #endif
  41
  42 #if CONFIG_K8_REV_F_SUPPORT == 1
  43 //      #include "microcode_rev_f.h"
  44 #endif
  45         /*  Dummy terminator  */
  46         0x0, 0x0, 0x0, 0x0,
  47         0x0, 0x0, 0x0, 0x0,
  48         0x0, 0x0, 0x0, 0x0,
  49         0x0, 0x0, 0x0, 0x0,
  50 };
  51
  52 static unsigned get_equivalent_processor_rev_id(unsigned orig_id) {
  53         static unsigned id_mapping_table[] = {
  54         #if CONFIG_K8_REV_F_SUPPORT == 0
  55                 0x0f48, 0x0048,
  56                 0x0f58, 0x0048,
  57
  58                 0x0f4a, 0x004a,
  59                 0x0f5a, 0x004a,
  60                 0x0f7a, 0x004a,
  61                 0x0f82, 0x004a,
  62                 0x0fc0, 0x004a,
  63                 0x0ff0, 0x004a,
  64
  65                 0x10f50, 0x0150,
  66                 0x10f70, 0x0150,
  67                 0x10f80, 0x0150,
  68                 0x10fc0, 0x0150,
  69                 0x10ff0, 0x0150,
  70
  71                 0x20f10, 0x0210,
  72                 0x20f12, 0x0210,
  73                 0x20f32, 0x0210,
  74                 0x20fb1, 0x0210,
  75         #endif
  76
  77         #if CONFIG_K8_REV_F_SUPPORT == 1
  78
  79         #endif
  80
  81         };
  82
  83
  84         unsigned new_id;
  85         int i;
  86
  87         new_id = 0;
  88
  89         for(i=0; i<sizeof(id_mapping_table); i+=2 ) {
  90                 if(id_mapping_table[i]==orig_id) {
  91                         new_id = id_mapping_table[i+1];
  92                         break;
  93                 }
  94         }
  95
  96         return new_id;
  97
  98 }
  99
 100 void model_fxx_update_microcode(unsigned cpu_deviceid)
 101 {
 102         unsigned equivalent_processor_rev_id;
 103
 104         /* Update the microcode */
 105         equivalent_processor_rev_id = get_equivalent_processor_rev_id(cpu_deviceid );
 106         if(equivalent_processor_rev_id != 0)
 107                 amd_update_microcode(microcode_updates, equivalent_processor_rev_id);
 108
 109 }
 110