2 * This file is part of the coreboot project.
4 * Copyright (C) 2007 Advanced Micro Devices, Inc.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #include <console/console.h>
23 #include <device/device.h>
24 #include <device/pci.h>
27 #include <cpu/amd/microcode.h>
30 static const u8 microcode_updates[] __attribute__ ((aligned(16))) = {
35 // #include "mc_patch_01000020.h"
37 // Barcelona rev B0, B1, BA
38 // #include "mc_patch_01000066.h"
40 // Barcelona rev B2, B3
41 #include "mc_patch_01000065.h"
44 /* Dummy terminator */
51 static u32 get_equivalent_processor_rev_id(u32 orig_id) {
52 static unsigned id_mapping_table[] = {
68 for (i = 0; i < sizeof(id_mapping_table); i += 2 ) {
69 if(id_mapping_table[i]==orig_id) {
70 new_id = id_mapping_table[i + 1];
79 void update_microcode(u32 cpu_deviceid)
81 u32 equivalent_processor_rev_id;
83 /* Update the microcode */
84 equivalent_processor_rev_id = get_equivalent_processor_rev_id(cpu_deviceid );
85 if (equivalent_processor_rev_id != 0) {
86 amd_update_microcode((void *) microcode_updates, equivalent_processor_rev_id);
88 printk_debug("microcode: rev id not found. Skipping microcode patch!\n");