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/*
* This file is part of the coreboot project.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <device/device.h>
#include <console/console.h>
struct device *add_cpu_device(struct bus *cpu_bus, unsigned int apic_id,
int enabled)
{
struct device_path cpu_path;
struct device *cpu;
/* Build the CPU device path */
cpu_path.type = DEVICE_PATH_APIC;
cpu_path.apic.apic_id = apic_id;
/* Update CPU in devicetree. */
if (enabled)
cpu = alloc_find_dev(cpu_bus, &cpu_path);
else
cpu = find_dev_path(cpu_bus, &cpu_path);
if (!cpu)
return NULL;
cpu->enabled = enabled;
printk(BIOS_DEBUG, "CPU: %s %s\n",
dev_path(cpu), cpu->enabled?"enabled":"disabled");
return cpu;
}
void set_cpu_topology(struct device *cpu, unsigned int node,
unsigned int package, unsigned int core,
unsigned int thread)
{
cpu->path.apic.node_id = node;
cpu->path.apic.package_id = package;
cpu->path.apic.core_id = core;
cpu->path.apic.thread_id = thread;
}
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