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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-test1";
- 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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