2020-04-02 23:48:16 +02:00
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/* SPDX-License-Identifier: GPL-2.0-only */
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2012-08-07 16:12:11 +02:00
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#include <device/device.h>
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#include <console/console.h>
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2019-06-09 10:23:25 +02:00
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struct device *add_cpu_device(struct bus *cpu_bus, unsigned int apic_id,
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2018-05-06 20:32:23 +02:00
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int enabled)
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2012-08-07 16:12:11 +02:00
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{
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struct device_path cpu_path;
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2018-05-06 20:32:23 +02:00
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struct device *cpu;
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2012-08-07 16:12:11 +02:00
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2016-07-28 21:31:40 +02:00
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/* Build the CPU device path */
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2012-08-07 16:12:11 +02:00
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cpu_path.type = DEVICE_PATH_APIC;
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cpu_path.apic.apic_id = apic_id;
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/* Update CPU in devicetree. */
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if (enabled)
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cpu = alloc_find_dev(cpu_bus, &cpu_path);
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else
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cpu = find_dev_path(cpu_bus, &cpu_path);
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if (!cpu)
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return NULL;
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cpu->enabled = enabled;
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printk(BIOS_DEBUG, "CPU: %s %s\n",
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dev_path(cpu), cpu->enabled?"enabled":"disabled");
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return cpu;
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}
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2019-06-09 10:23:25 +02:00
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void set_cpu_topology(struct device *cpu, unsigned int node,
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unsigned int package, unsigned int core,
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unsigned int thread)
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2012-08-07 16:12:11 +02:00
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{
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cpu->path.apic.node_id = node;
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cpu->path.apic.package_id = package;
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cpu->path.apic.core_id = core;
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cpu->path.apic.thread_id = thread;
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}
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