| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering |
| * 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, |
| }; |
| |
| struct id_mapping { |
| uint32_t orig_id; |
| uint16_t new_id; |
| }; |
| |
| static u16 get_equivalent_processor_rev_id(u32 orig_id) { |
| static const struct id_mapping 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 }, |
| |
| /* Array terminator */ |
| { 0xffffff, 0x0000 }, |
| }; |
| |
| u32 new_id; |
| int i; |
| |
| new_id = 0; |
| |
| for (i = 0; id_mapping_table[i].orig_id != 0xffffff; i++ ) { |
| if (id_mapping_table[i].orig_id == orig_id) { |
| new_id = id_mapping_table[i].new_id; |
| 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"); |
| } |
| |
| } |