1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *
4  * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
5  * Author: Fuxin Zhang, zhangfx@lemote.com
6  * Copyright (C) 2009 Lemote, Inc.
7  * Author: Zhangjin Wu, wuzhangjin@gmail.com
8  */
9 #include <linux/init.h>
10 #include <linux/pm.h>
11 
12 #include <asm/idle.h>
13 #include <asm/reboot.h>
14 
15 #include <loongson.h>
16 #include <boot_param.h>
17 
loongson_restart(char * command)18 static void loongson_restart(char *command)
19 {
20 
21 	void (*fw_restart)(void) = (void *)loongson_sysconf.restart_addr;
22 
23 	fw_restart();
24 	while (1) {
25 		if (cpu_wait)
26 			cpu_wait();
27 	}
28 }
29 
loongson_poweroff(void)30 static void loongson_poweroff(void)
31 {
32 	void (*fw_poweroff)(void) = (void *)loongson_sysconf.poweroff_addr;
33 
34 	fw_poweroff();
35 	while (1) {
36 		if (cpu_wait)
37 			cpu_wait();
38 	}
39 }
40 
loongson_halt(void)41 static void loongson_halt(void)
42 {
43 	pr_notice("\n\n** You can safely turn off the power now **\n\n");
44 	while (1) {
45 		if (cpu_wait)
46 			cpu_wait();
47 	}
48 }
49 
mips_reboot_setup(void)50 static int __init mips_reboot_setup(void)
51 {
52 	_machine_restart = loongson_restart;
53 	_machine_halt = loongson_halt;
54 	pm_power_off = loongson_poweroff;
55 
56 	return 0;
57 }
58 
59 arch_initcall(mips_reboot_setup);
60