[mirror_ubuntu-zesty-kernel.git] / arch / mips / dec / reset.c

/*
 * Reset a DECstation machine.
 *
 * Copyright (C) 199x  the Anonymous
 * Copyright (C) 2001, 2002, 2003  Maciej W. Rozycki
 */
#include <linux/interrupt.h>
#include <linux/linkage.h>

#include <asm/addrspace.h>

typedef void __noreturn (* noret_func_t)(void);

static inline void __noreturn back_to_prom(void)
{
	noret_func_t func = (void *)CKSEG1ADDR(0x1fc00000);

	func();
}

void __noreturn dec_machine_restart(char *command)
{
	back_to_prom();
}

void __noreturn dec_machine_halt(void)
{
	back_to_prom();
}

void __noreturn dec_machine_power_off(void)
{
    /* DECstations don't have a software power switch */
	back_to_prom();
}

irqreturn_t dec_intr_halt(int irq, void *dev_id)
{
	dec_machine_halt();
}
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Reset a DECstation machine.
	3	*
	4	* Copyright (C) 199x the Anonymous
	5	* Copyright (C) 2001, 2002, 2003 Maciej W. Rozycki
	6	*/
	7	#include <linux/interrupt.h>
	8	#include <linux/linkage.h>
	9
	10	#include <asm/addrspace.h>
1da177e4	11
b3f6df9f	12	typedef void __noreturn (* noret_func_t)(void);
1da177e4	13
b3f6df9f	14	static inline void __noreturn back_to_prom(void)
1da177e4	15	{
3bd4c902	16	noret_func_t func = (void *)CKSEG1ADDR(0x1fc00000);
1da177e4 LT	17
	18	func();
	19	}
	20
b3f6df9f	21	void __noreturn dec_machine_restart(char *command)
1da177e4 LT	22	{
	23	back_to_prom();
	24	}
	25
b3f6df9f	26	void __noreturn dec_machine_halt(void)
1da177e4 LT	27	{
	28	back_to_prom();
	29	}
	30
b3f6df9f	31	void __noreturn dec_machine_power_off(void)
1da177e4 LT	32	{
	33	/* DECstations don't have a software power switch */
	34	back_to_prom();
	35	}
	36
d62801e9	37	irqreturn_t dec_intr_halt(int irq, void *dev_id)
1da177e4 LT	38	{
	39	dec_machine_halt();
	40	}