diff options
| author | Tom Rini <trini@ti.com> | 2014-12-01 15:24:07 -0500 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-12-01 15:24:07 -0500 |
| commit | f4e7e2d12164c3235c3f5e19a68a503623029d35 (patch) | |
| tree | dea8bdf2bf2a50f561c165b5bbd4e1195ab01994 /arch/x86/include/asm/turbo.h | |
| parent | 9e374e7b729dc9f68be89cd3e3b1d4d48c768ecf (diff) | |
| parent | 908ec6e4d1d12f746cb9b7cc73430a268ceb2c92 (diff) | |
Merge git://git.denx.de/u-boot-x86
Diffstat (limited to 'arch/x86/include/asm/turbo.h')
| -rw-r--r-- | arch/x86/include/asm/turbo.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/x86/include/asm/turbo.h b/arch/x86/include/asm/turbo.h new file mode 100644 index 0000000000..bb0d4b4354 --- /dev/null +++ b/arch/x86/include/asm/turbo.h @@ -0,0 +1,31 @@ +/* + * From coreboot file of the same name + * + * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef _ASM_TURBO_H +#define _ASM_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 turbo_get_state(void); + +/* Enable turbo */ +void turbo_enable(void); + +#endif |