u-boot/arch/x86/include/asm/cpu_x86.h
Simon Glass 961420fa5f cpu: Convert the methods to use a const udevice *
These functions should not modify the device. Convert them to const so
that callers don't need to cast if they have a const udevice *.

Signed-off-by: Simon Glass <sjg@chromium.org>
2020-07-25 14:46:57 -06:00

58 lines
1.6 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
*/
#ifndef _ASM_CPU_X86_H
#define _ASM_CPU_X86_H
/**
* cpu_x86_bind() - Bind an x86 CPU with the driver
*
* This updates cpu device's platform data with information from device tree,
* like the processor local apic id.
*
* @dev: Device to check (UCLASS_CPU)
* @return 0 always
*/
int cpu_x86_bind(struct udevice *dev);
/**
* cpu_x86_get_desc() - Get a description string for an x86 CPU
*
* This uses cpu_get_name() and is suitable to use as the get_desc() method for
* the CPU uclass.
*
* @dev: Device to check (UCLASS_CPU)
* @buf: Buffer to place string
* @size: Size of string space
* @return: 0 if OK, -ENOSPC if buffer is too small, other -ve on error
*/
int cpu_x86_get_desc(const struct udevice *dev, char *buf, int size);
/**
* cpu_x86_get_count() - Get the number of cores for an x86 CPU
*
* This function is suitable to use as the get_count() method for
* the CPU uclass.
*
* @dev: Device to check (UCLASS_CPU)
* @return: Number of cores if successful,
* -ENOENT if not "/cpus" entry is found in the device tree
*/
int cpu_x86_get_count(const struct udevice *dev);
/**
* cpu_x86_get_vendor() - Get a vendor string for an x86 CPU
*
* This uses cpu_vendor_name() and is suitable to use as the get_vendor()
* method for the CPU uclass.
*
* @dev: Device to check (UCLASS_CPU)
* @buf: Buffer to place string
* @size: Size of string space
* @return: 0 if OK, -ENOSPC if buffer is too small, other -ve on error
*/
int cpu_x86_get_vendor(const struct udevice *dev, char *buf, int size);
#endif /* _ASM_CPU_X86_H */