diff options
Diffstat (limited to 'arch/mips/vr4181/osprey/reset.c')
| -rw-r--r-- | arch/mips/vr4181/osprey/reset.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/mips/vr4181/osprey/reset.c b/arch/mips/vr4181/osprey/reset.c new file mode 100644 index 000000000000..036ae83d89d6 --- /dev/null +++ b/arch/mips/vr4181/osprey/reset.c @@ -0,0 +1,40 @@ +/* + * 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/cacheflush.h> +#include <asm/processor.h> +#include <asm/reboot.h> +#include <asm/system.h> + +void nec_osprey_restart(char *command) +{ + set_c0_status(ST0_ERL); + change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED); + flush_cache_all(); + write_c0_wired(0); + __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000)); +} + +void nec_osprey_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 nec_osprey_power_off(void) +{ + nec_osprey_halt(); +} |