| * Copyright (c) 2015 Google, Inc |
| * SPDX-License-Identifier: GPL-2.0+ |
| #ifndef __ASM_ARCH_MICROCODE_H |
| #define __ASM_ARCH_MICROCODE_H |
| /* This is a declaration for ucode_base in start.S */ |
| * 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); |
| * microcode_read_rev() - Read the microcode version |
| * This reads the microcode version of the currently running CPU |
| * @return microcode version number |
| int microcode_read_rev(void); |
| #endif /* __ASSEMBLY__ */ |