1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2015, Miao Yan <yanmiaobest@gmail.com>
4 */
5
6 #include <common.h>
7 #include <cpu.h>
8 #include <dm.h>
9 #include <errno.h>
10 #include <qfw.h>
11 #include <asm/cpu.h>
12
cpu_qemu_get_desc(struct udevice * dev,char * buf,int size)13 int cpu_qemu_get_desc(struct udevice *dev, char *buf, int size)
14 {
15 if (size < CPU_MAX_NAME_LEN)
16 return -ENOSPC;
17
18 cpu_get_name(buf);
19
20 return 0;
21 }
22
cpu_qemu_get_count(struct udevice * dev)23 static int cpu_qemu_get_count(struct udevice *dev)
24 {
25 return qemu_fwcfg_online_cpus();
26 }
27
28 static const struct cpu_ops cpu_qemu_ops = {
29 .get_desc = cpu_qemu_get_desc,
30 .get_count = cpu_qemu_get_count,
31 };
32
33 static const struct udevice_id cpu_qemu_ids[] = {
34 { .compatible = "cpu-qemu" },
35 { }
36 };
37
38 U_BOOT_DRIVER(cpu_qemu_drv) = {
39 .name = "cpu_qemu",
40 .id = UCLASS_CPU,
41 .of_match = cpu_qemu_ids,
42 .ops = &cpu_qemu_ops,
43 };
44