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https://github.com/brain-hackers/u-boot-brain
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600f584d81
Different CPUs may support different address widths, meaning the amount of memory they can address. Add a property for this to the cpu_info struct. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2018
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* Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
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*/
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#include <common.h>
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#include <dm.h>
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#include <cpu.h>
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int cpu_sandbox_get_desc(struct udevice *dev, char *buf, int size)
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{
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snprintf(buf, size, "LEG Inc. SuperMegaUltraTurbo CPU No. 1");
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return 0;
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}
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int cpu_sandbox_get_info(struct udevice *dev, struct cpu_info *info)
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{
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info->cpu_freq = 42 * 42 * 42 * 42 * 42;
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info->features = 0x42424242;
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info->address_width = IS_ENABLED(CONFIG_PHYS_64BIT) ? 64 : 32;
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return 0;
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}
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int cpu_sandbox_get_count(struct udevice *dev)
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{
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return 42;
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}
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int cpu_sandbox_get_vendor(struct udevice *dev, char *buf, int size)
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{
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snprintf(buf, size, "Languid Example Garbage Inc.");
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return 0;
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}
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static const struct cpu_ops cpu_sandbox_ops = {
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.get_desc = cpu_sandbox_get_desc,
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.get_info = cpu_sandbox_get_info,
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.get_count = cpu_sandbox_get_count,
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.get_vendor = cpu_sandbox_get_vendor,
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};
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int cpu_sandbox_probe(struct udevice *dev)
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{
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return 0;
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}
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static const struct udevice_id cpu_sandbox_ids[] = {
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{ .compatible = "sandbox,cpu_sandbox" },
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{ }
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};
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U_BOOT_DRIVER(cpu_sandbox) = {
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.name = "cpu_sandbox",
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.id = UCLASS_CPU,
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.ops = &cpu_sandbox_ops,
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.of_match = cpu_sandbox_ids,
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.probe = cpu_sandbox_probe,
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};
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