arch/x86/cpu/cpu_x86.c

   1 /*
   2  * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <cpu.h>
   9 #include <dm.h>
  10 #include <errno.h>
  11 #include <asm/cpu.h>
  12
  13 int cpu_x86_bind(struct udevice *dev)
  14 {
  15         struct cpu_platdata *plat = dev_get_parent_platdata(dev);
  16
  17         plat->cpu_id = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
  18                                       "intel,apic-id", -1);
  19
  20         return 0;
  21 }
  22
  23 int cpu_x86_get_desc(struct udevice *dev, char *buf, int size)
  24 {
  25         if (size < CPU_MAX_NAME_LEN)
  26                 return -ENOSPC;
  27
  28         cpu_get_name(buf);
  29
  30         return 0;
  31 }
  32
  33 static const struct cpu_ops cpu_x86_ops = {
  34         .get_desc       = cpu_x86_get_desc,
  35 };
  36
  37 static const struct udevice_id cpu_x86_ids[] = {
  38         { .compatible = "cpu-x86" },
  39         { }
  40 };
  41
  42 U_BOOT_DRIVER(cpu_x86_drv) = {
  43         .name           = "cpu_x86",
  44         .id             = UCLASS_CPU,
  45         .of_match       = cpu_x86_ids,
  46         .bind           = cpu_x86_bind,
  47         .ops            = &cpu_x86_ops,
  48 };