reset.c (749B)
1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Reset a DECstation machine. 4 * 5 * Copyright (C) 199x the Anonymous 6 * Copyright (C) 2001, 2002, 2003 Maciej W. Rozycki 7 */ 8#include <linux/interrupt.h> 9#include <linux/linkage.h> 10 11#include <asm/addrspace.h> 12 13typedef void __noreturn (* noret_func_t)(void); 14 15static inline void __noreturn back_to_prom(void) 16{ 17 noret_func_t func = (void *)CKSEG1ADDR(0x1fc00000); 18 19 func(); 20} 21 22void __noreturn dec_machine_restart(char *command) 23{ 24 back_to_prom(); 25} 26 27void __noreturn dec_machine_halt(void) 28{ 29 back_to_prom(); 30} 31 32void __noreturn dec_machine_power_off(void) 33{ 34 /* DECstations don't have a software power switch */ 35 back_to_prom(); 36} 37 38irqreturn_t dec_intr_halt(int irq, void *dev_id) 39{ 40 dec_machine_halt(); 41}