| /* |
| * 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. |
| * |
| * 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 |
| */ |
| |
| #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 |