1 /*
2 * Copyright (C) 2015, Miao Yan <yanmiaobest@gmail.com>
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
7 #include <common.h>
8 #include <cpu.h>
9 #include <dm.h>
10 #include <errno.h>
11 #include <qfw.h>
12 #include <asm/cpu.h>
13
14 DECLARE_GLOBAL_DATA_PTR;
15
cpu_qemu_get_desc(struct udevice * dev,char * buf,int size)16 int cpu_qemu_get_desc(struct udevice *dev, char *buf, int size)
17 {
18 if (size < CPU_MAX_NAME_LEN)
19 return -ENOSPC;
20
21 cpu_get_name(buf);
22
23 return 0;
24 }
25
cpu_qemu_get_count(struct udevice * dev)26 static int cpu_qemu_get_count(struct udevice *dev)
27 {
28 return qemu_fwcfg_online_cpus();
29 }
30
31 static const struct cpu_ops cpu_qemu_ops = {
32 .get_desc = cpu_qemu_get_desc,
33 .get_count = cpu_qemu_get_count,
34 };
35
36 static const struct udevice_id cpu_qemu_ids[] = {
37 { .compatible = "cpu-qemu" },
38 { }
39 };
40
41 U_BOOT_DRIVER(cpu_qemu_drv) = {
42 .name = "cpu_qemu",
43 .id = UCLASS_CPU,
44 .of_match = cpu_qemu_ids,
45 .ops = &cpu_qemu_ops,
46 };
47