drivers/cpu/cpu_sandbox.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2018
   4  * Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
   5  */
   6
   7 #include <common.h>
   8 #include <dm.h>
   9 #include <cpu.h>
  10
  11 int cpu_sandbox_get_desc(struct udevice *dev, char *buf, int size)
  12 {
  13         snprintf(buf, size, "LEG Inc. SuperMegaUltraTurbo CPU No. 1");
  14
  15         return 0;
  16 }
  17
  18 int cpu_sandbox_get_info(struct udevice *dev, struct cpu_info *info)
  19 {
  20         info->cpu_freq = 42 * 42 * 42 * 42 * 42;
  21         info->features = 0x42424242;
  22
  23         return 0;
  24 }
  25
  26 int cpu_sandbox_get_count(struct udevice *dev)
  27 {
  28         return 42;
  29 }
  30
  31 int cpu_sandbox_get_vendor(struct udevice *dev, char *buf, int size)
  32 {
  33         snprintf(buf, size, "Languid Example Garbage Inc.");
  34
  35         return 0;
  36 }
  37
  38 static const struct cpu_ops cpu_sandbox_ops = {
  39         .get_desc = cpu_sandbox_get_desc,
  40         .get_info = cpu_sandbox_get_info,
  41         .get_count = cpu_sandbox_get_count,
  42         .get_vendor = cpu_sandbox_get_vendor,
  43 };
  44
  45 int cpu_sandbox_probe(struct udevice *dev)
  46 {
  47         return 0;
  48 }
  49
  50 static const struct udevice_id cpu_sandbox_ids[] = {
  51         { .compatible = "sandbox,cpu_sandbox" },
  52         { }
  53 };
  54
  55 U_BOOT_DRIVER(cpu_sandbox) = {
  56         .name           = "cpu_sandbox",
  57         .id             = UCLASS_CPU,
  58         .ops            = &cpu_sandbox_ops,
  59         .of_match       = cpu_sandbox_ids,
  60         .probe          = cpu_sandbox_probe,
  61 };