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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2018
* Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
*/
#include <common.h>
#include <dm.h>
#include <cpu.h>
static int cpu_sandbox_get_desc(const struct udevice *dev, char *buf, int size)
{
snprintf(buf, size, "LEG Inc. SuperMegaUltraTurbo CPU No. 1");
return 0;
}
static int cpu_sandbox_get_info(const struct udevice *dev,
struct cpu_info *info)
{
info->cpu_freq = 42 * 42 * 42 * 42 * 42;
info->features = 0x42424242;
info->address_width = IS_ENABLED(CONFIG_PHYS_64BIT) ? 64 : 32;
return 0;
}
static int cpu_sandbox_get_count(const struct udevice *dev)
{
return 42;
}
static int cpu_sandbox_get_vendor(const struct udevice *dev, char *buf,
int size)
{
snprintf(buf, size, "Languid Example Garbage Inc.");
return 0;
}
static const char *cpu_current = "cpu@1";
void cpu_sandbox_set_current(const char *name)
{
cpu_current = name;
}
static int cpu_sandbox_is_current(struct udevice *dev)
{
if (!strcmp(dev->name, cpu_current))
return 1;
return 0;
}
static const struct cpu_ops cpu_sandbox_ops = {
.get_desc = cpu_sandbox_get_desc,
.get_info = cpu_sandbox_get_info,
.get_count = cpu_sandbox_get_count,
.get_vendor = cpu_sandbox_get_vendor,
.is_current = cpu_sandbox_is_current,
};
static int cpu_sandbox_bind(struct udevice *dev)
{
int ret;
struct cpu_plat *plat = dev_get_parent_plat(dev);
/* first examine the property in current cpu node */
ret = dev_read_u32(dev, "timebase-frequency", &plat->timebase_freq);
/* if not found, then look at the parent /cpus node */
if (ret)
ret = dev_read_u32(dev->parent, "timebase-frequency",
&plat->timebase_freq);
return ret;
}
static int cpu_sandbox_probe(struct udevice *dev)
{
return 0;
}
static const struct udevice_id cpu_sandbox_ids[] = {
{ .compatible = "sandbox,cpu_sandbox" },
{ }
};
U_BOOT_DRIVER(cpu_sandbox) = {
.name = "cpu_sandbox",
.id = UCLASS_CPU,
.ops = &cpu_sandbox_ops,
.of_match = cpu_sandbox_ids,
.bind = cpu_sandbox_bind,
.probe = cpu_sandbox_probe,
};
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