2 * This program is free software; you can redistribute it and/or modify it
3 * under the terms of the GNU General Public License as published by the
4 * Free Software Foundation; either version 2 of the License, or (at your
5 * option) any later version.
7 * Copyright (C) 1997, 01, 05 Ralf Baechle
8 * Copyright 2001 MontaVista Software Inc.
9 * Author: jsun@mvista.com or jsun@junsun.net
11 * Copyright (C) 2002 Momentum Computer Inc.
12 * Author: Matthew Dharm <mdharm@momenco.com>
14 * Louis Hamilton, Red Hat, Inc.
15 * hamilton@redhat.com [MIPS64 modifications]
17 * Copyright 2004 PMC-Sierra
18 * Author: Manish Lachwani (lachwani@pmc-sierra.com)
20 * Copyright (C) 2004 MontaVista Software Inc.
21 * Author: Manish Lachwani, mlachwani@mvista.com
23 #include <linux/sched.h>
25 #include <linux/delay.h>
27 #include <asm/pgtable.h>
28 #include <asm/processor.h>
29 #include <asm/reboot.h>
30 #include <asm/system.h>
32 void momenco_ocelot_restart(char *command
)
34 /* base address of timekeeper portion of part */
35 void *nvram
= (void *) 0xfc807000L
;
37 /* Ask the NVRAM/RTC/watchdog chip to assert reset in 1/16 second */
38 writeb(0x84, nvram
+ 0xff7);
40 /* wait for the watchdog to go off */
41 mdelay(100+(1000/16));
43 /* if the watchdog fails for some reason, let people know */
44 printk(KERN_NOTICE
"Watchdog reset failed\n");
47 void momenco_ocelot_halt(void)
49 printk(KERN_NOTICE
"\n** You can safely turn off the power\n");
51 __asm__(".set\tmips3\n\t"
56 void momenco_ocelot_power_off(void)
58 momenco_ocelot_halt();