forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
1.1 KiB
52 lines
1.1 KiB
/* |
|
* Cobalt Reset operations |
|
* |
|
* This file is subject to the terms and conditions of the GNU General Public |
|
* License. See the file "COPYING" in the main directory of this archive |
|
* for more details. |
|
* |
|
* Copyright (C) 1995, 1996, 1997 by Ralf Baechle |
|
* Copyright (C) 2001 by Liam Davies ([email protected]) |
|
*/ |
|
#include <linux/init.h> |
|
#include <linux/io.h> |
|
#include <linux/leds.h> |
|
|
|
#include <asm/idle.h> |
|
#include <asm/processor.h> |
|
|
|
#include <cobalt.h> |
|
|
|
#define RESET_PORT ((void __iomem *)CKSEG1ADDR(0x1c000000)) |
|
#define RESET 0x0f |
|
|
|
DEFINE_LED_TRIGGER(power_off_led_trigger); |
|
|
|
static int __init ledtrig_power_off_init(void) |
|
{ |
|
led_trigger_register_simple("power-off", &power_off_led_trigger); |
|
return 0; |
|
} |
|
device_initcall(ledtrig_power_off_init); |
|
|
|
void cobalt_machine_halt(void) |
|
{ |
|
/* |
|
* turn on power off LED on RaQ |
|
*/ |
|
led_trigger_event(power_off_led_trigger, LED_FULL); |
|
|
|
local_irq_disable(); |
|
while (1) { |
|
if (cpu_wait) |
|
cpu_wait(); |
|
} |
|
} |
|
|
|
void cobalt_machine_restart(char *command) |
|
{ |
|
writeb(RESET, RESET_PORT); |
|
|
|
/* we should never get here */ |
|
cobalt_machine_halt(); |
|
}
|
|
|