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/*
* This file is part of the coreboot 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
*/
#include <stdint.h>
#include <console/console.h>
#include <cpu/amd/microcode.h>
static const u8 microcode_updates[] __attribute__ ((aligned(16))) = {
#ifdef __PRE_RAM__
/* From the Revision Guide :
* Equivalent Processor Table for AMD Family 10h Processors
*
* Installed Processor Equivalent Processor Patch Level
* Revision ID Revision ID
* 00100F00h 1000h 01000020h
* 00100F01h 1000h 01000020h
* 00100F02h 1000h 01000020h
* 00100F20h 1020h 01000096h
* 00100F21h (DR-B1) 1020h 01000096h
* 00100F2Ah (DR-BA) 1020h 01000096h
* 00100F22h (DR-B2) 1022h 01000095h
* 00100F23h (DR-B3) 1022h 01000095h
* 00100F42h (RB-C2) 1041h 01000086h
* 00100F43h (RB-C3) 1043h 010000b6h
* 00100F62h (DA-C2) 1062h 0100009Fh
* 00100F63h (DA-C3) 1043h 010000b6h
* 00100F81h (HY-D1) 1081h 010000c4h
* 00100FA0h (PH-E0) 10A0h 010000bfh
*/
#include CONFIG_AMD_UCODE_PATCH_FILE
#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,
0x100f23, 0x1022,
0x100f42, 0x1041,
0x100f43, 0x1043,
0x100f62, 0x1062,
0x100f63, 0x1043,
0x100f81, 0x1081,
0x100fa0, 0x10A0,
};
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(BIOS_DEBUG, "microcode: rev id not found. Skipping microcode patch!\n");
}
}
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