diff options
Diffstat (limited to 'arch/mips/cobalt/reset.c')
| -rw-r--r-- | arch/mips/cobalt/reset.c | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/arch/mips/cobalt/reset.c b/arch/mips/cobalt/reset.c index 43cca21fdbc0..71eb4ccc4bc1 100644 --- a/arch/mips/cobalt/reset.c +++ b/arch/mips/cobalt/reset.c @@ -8,36 +8,46 @@ * Copyright (C) 1995, 1996, 1997 by Ralf Baechle * Copyright (C) 2001 by Liam Davies (ldavies@agile.tv) */ +#include <linux/init.h> +#include <linux/io.h> #include <linux/jiffies.h> - -#include <asm/io.h> -#include <asm/reboot.h> +#include <linux/leds.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) { int state, last, diff; unsigned long mark; /* - * turn off bar on Qube, flash power off LED on RaQ (0.5Hz) + * turn on power off LED on RaQ * * restart if ENTER and SELECT are pressed */ last = COBALT_KEY_PORT; - for (state = 0;;) { - - state ^= COBALT_LED_POWER_OFF; - COBALT_LED_PORT = state; + led_trigger_event(power_off_led_trigger, LED_FULL); + for (state = 0;;) { 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; + writeb(RESET, RESET_PORT); for (mark = jiffies; jiffies - mark < HZ;) ; @@ -46,17 +56,8 @@ void cobalt_machine_halt(void) 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(); -} |