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/*
* This file is part of the LinuxBIOS project.
*
* Copyright (C) 2007 Advanced Micro Devices, Inc.
*
* 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
*/
#ifndef __ROMCC__
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <string.h>
#include <cpu/amd/microcode.h>
#endif
static const u8 microcode_updates[] __attribute__ ((aligned(16))) = {
#ifdef __ROMCC__
// Barcelona revAx
// #include "mc_patch_01000020.h"
// Barcelona revBx
#include "mc_patch_01000033.h"
// Barcelona rev Cx??
// #include "mc_patch_01000035.h"
#endif
/* Dummy terminator */
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
};
static u32 get_equivalent_processor_rev_id(u32 orig_id) {
static unsigned id_mapping_table[] = {
0x100f00, 0x1000,
0x100f01, 0x1000,
0x100f02, 0x1000,
0x100f20, 0x1020,
0x100f21, 0x1020,
0x100f2A, 0x1020,
0x100f22, 0x1022,
};
u32 new_id;
int i;
new_id = 0;
for (i = 0; i < sizeof(id_mapping_table); i += 2 ) {
if(id_mapping_table[i]==orig_id) {
new_id = id_mapping_table[i + 1];
break;
}
}
return new_id;
}
void update_microcode(u32 cpu_deviceid)
{
u32 equivalent_processor_rev_id;
/* Update the microcode */
equivalent_processor_rev_id = get_equivalent_processor_rev_id(cpu_deviceid );
if (equivalent_processor_rev_id != 0) {
amd_update_microcode((void *) microcode_updates, equivalent_processor_rev_id);
} else {
printk_debug("microcode: rev id not found. Skipping microcode patch!\n");
}
}
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