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52 lines
1.1 KiB
52 lines
1.1 KiB
/* |
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* Cobalt Reset operations |
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* |
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* This file is subject to the terms and conditions of the GNU General Public |
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* License. See the file "COPYING" in the main directory of this archive |
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* for more details. |
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* |
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* Copyright (C) 1995, 1996, 1997 by Ralf Baechle |
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* Copyright (C) 2001 by Liam Davies ([email protected]) |
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*/ |
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#include <linux/init.h> |
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#include <linux/io.h> |
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#include <linux/leds.h> |
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#include <asm/idle.h> |
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#include <asm/processor.h> |
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#include <cobalt.h> |
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#define RESET_PORT ((void __iomem *)CKSEG1ADDR(0x1c000000)) |
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#define RESET 0x0f |
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DEFINE_LED_TRIGGER(power_off_led_trigger); |
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static int __init ledtrig_power_off_init(void) |
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{ |
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led_trigger_register_simple("power-off", &power_off_led_trigger); |
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return 0; |
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} |
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device_initcall(ledtrig_power_off_init); |
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void cobalt_machine_halt(void) |
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{ |
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/* |
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* turn on power off LED on RaQ |
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*/ |
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led_trigger_event(power_off_led_trigger, LED_FULL); |
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local_irq_disable(); |
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while (1) { |
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if (cpu_wait) |
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cpu_wait(); |
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} |
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} |
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void cobalt_machine_restart(char *command) |
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{ |
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writeb(RESET, RESET_PORT); |
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/* we should never get here */ |
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cobalt_machine_halt(); |
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}
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