| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2009 coresystems GmbH |
| * Copyright (C) 2011 The Chromium OS Authors. All rights reserved. |
| * |
| * 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. |
| */ |
| |
| #include <types.h> |
| #include <cpu/x86/msr.h> |
| #include "model_206ax.h" |
| |
| #define IA32_PLATFORM_ID 0x17 |
| |
| int get_platform_id(void) |
| { |
| msr_t msr; |
| |
| msr = rdmsr(IA32_PLATFORM_ID); |
| /* Read Platform Id Bits 52:50 */ |
| return (msr.hi >> 18) & 0x7; |
| } |