[deliverable/linux.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>
#include <asm/ptrace.h>

typedef void ATTRIB_NORET (* noret_func_t)(void);

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

	func();
}

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

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

void ATTRIB_NORET 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, struct pt_regs *regs)
{
	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>
	11	#include <asm/ptrace.h>
	12
	13	typedef void ATTRIB_NORET (* noret_func_t)(void);
	14
	15	static inline void ATTRIB_NORET back_to_prom(void)
	16	{
3bd4c902	17	noret_func_t func = (void *)CKSEG1ADDR(0x1fc00000);
1da177e4 LT	18
	19	func();
	20	}
	21
	22	void ATTRIB_NORET dec_machine_restart(char *command)
	23	{
	24	back_to_prom();
	25	}
	26
	27	void ATTRIB_NORET dec_machine_halt(void)
	28	{
	29	back_to_prom();
	30	}
	31
	32	void ATTRIB_NORET dec_machine_power_off(void)
	33	{
	34	/* DECstations don't have a software power switch */
	35	back_to_prom();
	36	}
	37
	38	irqreturn_t dec_intr_halt(int irq, void dev_id, struct pt_regs regs)
	39	{
	40	dec_machine_halt();
	41	}