diff options
| author | Simon Glass <sjg@chromium.org> | 2014-11-12 22:42:21 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2014-11-21 07:34:14 +0100 |
| commit | 77f9b1fb6244878ab4aab342a814880d17253b75 (patch) | |
| tree | 9aec72ab40799b06370e588d8063b0dfdbc9d755 /arch/x86/include | |
| parent | 94060ff278e3ed4d91e4605701231d194a5013a3 (diff) | |
x86: ivybridge: Perform Intel microcode update on boot
Microcode updates are stored in the device tree. Work through these and
apply any that are needed.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/arch-ivybridge/microcode.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/x86/include/asm/arch-ivybridge/microcode.h b/arch/x86/include/asm/arch-ivybridge/microcode.h new file mode 100644 index 0000000000..bc9b87c44c --- /dev/null +++ b/arch/x86/include/asm/arch-ivybridge/microcode.h @@ -0,0 +1,20 @@ +/* + * Copyright (c) 2015 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_ARCH_MICROCODE_H +#define __ASM_ARCH_MICROCODE_H + +/** + * microcode_update_intel() - Apply microcode updates + * + * Applies any microcode updates in the device tree. + * + * @return 0 if OK, -EEXIST if the updates were already applied, -ENOENT if + * not updates were found, -EINVAL if an update was invalid + */ +int microcode_update_intel(void); + +#endif |