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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 The ChromiumOS 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.
*/
#ifndef _CPU_INTEL_TURBO_H
#define _CPU_INTEL_TURBO_H
#define CPUID_LEAF_PM 6
#define PM_CAP_TURBO_MODE (1 << 1)
#define MSR_IA32_MISC_ENABLES 0x1a0
#define H_MISC_DISABLE_TURBO (1 << 6)
enum {
TURBO_UNKNOWN,
TURBO_UNAVAILABLE,
TURBO_DISABLED,
TURBO_ENABLED,
};
/* Return current turbo state */
int get_turbo_state(void);
/* Enable turbo */
void enable_turbo(void);
#endif
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