/* SPDX-License-Identifier: GPL-2.0-only */ #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; }