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- /*
- * Copyright (c) 2015 Google, Inc
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
- #ifndef __ASM_ARCH_MICROCODE_H
- #define __ASM_ARCH_MICROCODE_H
- #ifndef __ASSEMBLY__
- /* This is a declaration for ucode_base in start.S */
- extern u32 ucode_base;
- /**
- * 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__ */
- #endif
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