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/*
* 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;
}
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