1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology 5*4882a593Smuzhiyun * Author: Fuxin Zhang, zhangfx@lemote.com 6*4882a593Smuzhiyun * Copyright (C) 2009 Lemote, Inc. 7*4882a593Smuzhiyun * Author: Zhangjin Wu, wuzhangjin@gmail.com 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun #include <linux/init.h> 10*4882a593Smuzhiyun #include <linux/pm.h> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #include <asm/idle.h> 13*4882a593Smuzhiyun #include <asm/reboot.h> 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #include <loongson.h> 16*4882a593Smuzhiyun #include <boot_param.h> 17*4882a593Smuzhiyun loongson_restart(char * command)18*4882a593Smuzhiyunstatic void loongson_restart(char *command) 19*4882a593Smuzhiyun { 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun void (*fw_restart)(void) = (void *)loongson_sysconf.restart_addr; 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun fw_restart(); 24*4882a593Smuzhiyun while (1) { 25*4882a593Smuzhiyun if (cpu_wait) 26*4882a593Smuzhiyun cpu_wait(); 27*4882a593Smuzhiyun } 28*4882a593Smuzhiyun } 29*4882a593Smuzhiyun loongson_poweroff(void)30*4882a593Smuzhiyunstatic void loongson_poweroff(void) 31*4882a593Smuzhiyun { 32*4882a593Smuzhiyun void (*fw_poweroff)(void) = (void *)loongson_sysconf.poweroff_addr; 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun fw_poweroff(); 35*4882a593Smuzhiyun while (1) { 36*4882a593Smuzhiyun if (cpu_wait) 37*4882a593Smuzhiyun cpu_wait(); 38*4882a593Smuzhiyun } 39*4882a593Smuzhiyun } 40*4882a593Smuzhiyun loongson_halt(void)41*4882a593Smuzhiyunstatic void loongson_halt(void) 42*4882a593Smuzhiyun { 43*4882a593Smuzhiyun pr_notice("\n\n** You can safely turn off the power now **\n\n"); 44*4882a593Smuzhiyun while (1) { 45*4882a593Smuzhiyun if (cpu_wait) 46*4882a593Smuzhiyun cpu_wait(); 47*4882a593Smuzhiyun } 48*4882a593Smuzhiyun } 49*4882a593Smuzhiyun mips_reboot_setup(void)50*4882a593Smuzhiyunstatic int __init mips_reboot_setup(void) 51*4882a593Smuzhiyun { 52*4882a593Smuzhiyun _machine_restart = loongson_restart; 53*4882a593Smuzhiyun _machine_halt = loongson_halt; 54*4882a593Smuzhiyun pm_power_off = loongson_poweroff; 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun return 0; 57*4882a593Smuzhiyun } 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun arch_initcall(mips_reboot_setup); 60