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42 lines
749 B
42 lines
749 B
3 years ago
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Reset a DECstation machine.
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*
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* Copyright (C) 199x the Anonymous
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* Copyright (C) 2001, 2002, 2003 Maciej W. Rozycki
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*/
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#include <linux/interrupt.h>
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#include <linux/linkage.h>
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#include <asm/addrspace.h>
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typedef void __noreturn (* noret_func_t)(void);
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static inline void __noreturn back_to_prom(void)
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{
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noret_func_t func = (void *)CKSEG1ADDR(0x1fc00000);
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func();
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}
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void __noreturn dec_machine_restart(char *command)
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{
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back_to_prom();
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}
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void __noreturn dec_machine_halt(void)
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{
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back_to_prom();
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}
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void __noreturn dec_machine_power_off(void)
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{
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/* DECstations don't have a software power switch */
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back_to_prom();
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}
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irqreturn_t dec_intr_halt(int irq, void *dev_id)
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{
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dec_machine_halt();
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}
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