diff options
Diffstat (limited to 'arch/mips/cobalt/reset.c')
| -rw-r--r-- | arch/mips/cobalt/reset.c | 58 |
1 files changed, 24 insertions, 34 deletions
diff --git a/arch/mips/cobalt/reset.c b/arch/mips/cobalt/reset.c index 43cca21fdbc..4eedd481dd0 100644 --- a/arch/mips/cobalt/reset.c +++ b/arch/mips/cobalt/reset.c @@ -8,55 +8,45 @@ * Copyright (C) 1995, 1996, 1997 by Ralf Baechle * Copyright (C) 2001 by Liam Davies (ldavies@agile.tv) */ -#include <linux/jiffies.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/leds.h> -#include <asm/io.h> -#include <asm/reboot.h> +#include <asm/idle.h> +#include <asm/processor.h> #include <cobalt.h> -void cobalt_machine_halt(void) +#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) { - int state, last, diff; - unsigned long mark; + led_trigger_register_simple("power-off", &power_off_led_trigger); + return 0; +} +device_initcall(ledtrig_power_off_init); +void cobalt_machine_halt(void) +{ /* - * turn off bar on Qube, flash power off LED on RaQ (0.5Hz) - * - * restart if ENTER and SELECT are pressed + * turn on power off LED on RaQ */ + led_trigger_event(power_off_led_trigger, LED_FULL); - last = COBALT_KEY_PORT; - - for (state = 0;;) { - - state ^= COBALT_LED_POWER_OFF; - COBALT_LED_PORT = state; - - diff = COBALT_KEY_PORT ^ last; - last ^= diff; - - if((diff & (COBALT_KEY_ENTER | COBALT_KEY_SELECT)) && !(~last & (COBALT_KEY_ENTER | COBALT_KEY_SELECT))) - COBALT_LED_PORT = COBALT_LED_RESET; - - for (mark = jiffies; jiffies - mark < HZ;) - ; + local_irq_disable(); + while (1) { + if (cpu_wait) + cpu_wait(); } } void cobalt_machine_restart(char *command) { - COBALT_LED_PORT = COBALT_LED_RESET; + writeb(RESET, RESET_PORT); /* we should never get here */ cobalt_machine_halt(); } - -/* - * This triggers the luser mode device driver for the power switch ;-) - */ -void cobalt_machine_power_off(void) -{ - printk("You can switch the machine off now.\n"); - cobalt_machine_halt(); -} |
