1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (C) 2015, Miao Yan <yanmiaobest@gmail.com>
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <cpu.h>
9*4882a593Smuzhiyun #include <dm.h>
10*4882a593Smuzhiyun #include <errno.h>
11*4882a593Smuzhiyun #include <qfw.h>
12*4882a593Smuzhiyun #include <asm/cpu.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
15*4882a593Smuzhiyun
cpu_qemu_get_desc(struct udevice * dev,char * buf,int size)16*4882a593Smuzhiyun int cpu_qemu_get_desc(struct udevice *dev, char *buf, int size)
17*4882a593Smuzhiyun {
18*4882a593Smuzhiyun if (size < CPU_MAX_NAME_LEN)
19*4882a593Smuzhiyun return -ENOSPC;
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun cpu_get_name(buf);
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun return 0;
24*4882a593Smuzhiyun }
25*4882a593Smuzhiyun
cpu_qemu_get_count(struct udevice * dev)26*4882a593Smuzhiyun static int cpu_qemu_get_count(struct udevice *dev)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun return qemu_fwcfg_online_cpus();
29*4882a593Smuzhiyun }
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun static const struct cpu_ops cpu_qemu_ops = {
32*4882a593Smuzhiyun .get_desc = cpu_qemu_get_desc,
33*4882a593Smuzhiyun .get_count = cpu_qemu_get_count,
34*4882a593Smuzhiyun };
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun static const struct udevice_id cpu_qemu_ids[] = {
37*4882a593Smuzhiyun { .compatible = "cpu-qemu" },
38*4882a593Smuzhiyun { }
39*4882a593Smuzhiyun };
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun U_BOOT_DRIVER(cpu_qemu_drv) = {
42*4882a593Smuzhiyun .name = "cpu_qemu",
43*4882a593Smuzhiyun .id = UCLASS_CPU,
44*4882a593Smuzhiyun .of_match = cpu_qemu_ids,
45*4882a593Smuzhiyun .ops = &cpu_qemu_ops,
46*4882a593Smuzhiyun };
47