From 77f9b1fb6244878ab4aab342a814880d17253b75 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 12 Nov 2014 22:42:21 -0700 Subject: 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 --- arch/x86/include/asm/arch-ivybridge/microcode.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 arch/x86/include/asm/arch-ivybridge/microcode.h (limited to 'arch/x86/include/asm/arch-ivybridge') 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 -- cgit