?? reset.c
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/* * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * * Copyright (C) 1997, 2001 Ralf Baechle * Copyright 2001 MontaVista Software Inc. * Author: jsun@mvista.com or jsun@junsun.net */#include <linux/sched.h>#include <linux/mm.h>#include <asm/io.h>#include <asm/pgtable.h>#include <asm/processor.h>#include <asm/reboot.h>#include <asm/system.h>#include <linux/delay.h>void momenco_ocelot_restart(char *command){ void *nvram = ioremap_nocache(0x2c807000, 0x1000); if (!nvram) { printk(KERN_NOTICE "ioremap of reset register failed\n"); return; } writeb(0x84, nvram + 0xff7); /* Ask the NVRAM/RTC/watchdog chip to assert reset in 1/16 second */ mdelay(10+(1000/16)); iounmap(nvram); printk(KERN_NOTICE "Watchdog reset failed\n");}void momenco_ocelot_halt(void){ printk(KERN_NOTICE "\n** You can safely turn off the power\n"); while (1) __asm__(".set\tmips3\n\t" "wait\n\t" ".set\tmips0");}void momenco_ocelot_power_off(void){ momenco_ocelot_halt();}
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