2005-04-16 18:20:36 -04:00
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* Copyright (C) 1997, 01, 05 Ralf Baechle
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* Copyright 2001 MontaVista Software Inc.
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* Author: jsun@mvista.com or jsun@junsun.net
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*
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* Copyright (C) 2002 Momentum Computer Inc.
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* Author: Matthew Dharm <mdharm@momenco.com>
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*
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* Louis Hamilton, Red Hat, Inc.
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* hamilton@redhat.com [MIPS64 modifications]
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*
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* Copyright 2004 PMC-Sierra
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* Author: Manish Lachwani (lachwani@pmc-sierra.com)
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*
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* Copyright (C) 2004 MontaVista Software Inc.
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* Author: Manish Lachwani, mlachwani@mvista.com
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*/
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#include <linux/sched.h>
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#include <linux/mm.h>
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#include <linux/delay.h>
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#include <asm/io.h>
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#include <asm/pgtable.h>
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#include <asm/processor.h>
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#include <asm/reboot.h>
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#include <asm/system.h>
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void momenco_ocelot_restart(char *command)
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{
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/* base address of timekeeper portion of part */
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void *nvram = (void *) 0xfc807000L;
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2006-03-11 03:18:41 -05:00
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/* Ask the NVRAM/RTC/watchdog chip to assert reset in 1/16 second */
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2005-04-16 18:20:36 -04:00
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writeb(0x84, nvram + 0xff7);
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/* wait for the watchdog to go off */
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mdelay(100+(1000/16));
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/* if the watchdog fails for some reason, let people know */
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printk(KERN_NOTICE "Watchdog reset failed\n");
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}
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void momenco_ocelot_halt(void)
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{
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printk(KERN_NOTICE "\n** You can safely turn off the power\n");
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while (1)
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__asm__(".set\tmips3\n\t"
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"wait\n\t"
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".set\tmips0");
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}
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void momenco_ocelot_power_off(void)
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{
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momenco_ocelot_halt();
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}
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