Merge branch 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind...
[safe/jmp/linux-2.6] / arch / mips / cobalt / reset.c
index 753dfcc..516b442 100644 (file)
@@ -8,58 +8,44 @@
  * Copyright (C) 1995, 1996, 1997 by Ralf Baechle
  * Copyright (C) 2001 by Liam Davies (ldavies@agile.tv)
  */
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <asm/cacheflush.h>
-#include <asm/io.h>
-#include <asm/processor.h>
-#include <asm/reboot.h>
-#include <asm/system.h>
-#include <asm/mipsregs.h>
-#include <asm/mach-cobalt/cobalt.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/leds.h>
 
-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)
-        *
-        * restart if ENTER and SELECT are pressed
-        */
+#include <asm/processor.h>
 
-       last = COBALT_KEY_PORT;
+#include <cobalt.h>
 
-       for (state = 0;;) {
+#define RESET_PORT     ((void __iomem *)CKSEG1ADDR(0x1c000000))
+#define RESET          0x0f
 
-               state ^= COBALT_LED_POWER_OFF;
-               COBALT_LED_PORT = state;
+DEFINE_LED_TRIGGER(power_off_led_trigger);
 
-               diff = COBALT_KEY_PORT ^ last;
-               last ^= diff;
+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);
 
-               if((diff & (COBALT_KEY_ENTER | COBALT_KEY_SELECT)) && !(~last & (COBALT_KEY_ENTER | COBALT_KEY_SELECT)))
-                       COBALT_LED_PORT = COBALT_LED_RESET;
+void cobalt_machine_halt(void)
+{
+       /*
+        * turn on power off LED on RaQ
+        */
+       led_trigger_event(power_off_led_trigger, LED_FULL);
 
-               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();
-}