2 * Cobalt Reset operations
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License. See the file "COPYING" in the main directory of this archive
8 * Copyright (C) 1995, 1996, 1997 by Ralf Baechle
9 * Copyright (C) 2001 by Liam Davies (ldavies@agile.tv)
11 #include <linux/jiffies.h>
14 #include <asm/reboot.h>
18 void cobalt_machine_halt(void)
20 int state, last, diff;
24 * turn off bar on Qube, flash power off LED on RaQ (0.5Hz)
26 * restart if ENTER and SELECT are pressed
29 last = COBALT_KEY_PORT;
33 state ^= COBALT_LED_POWER_OFF;
34 COBALT_LED_PORT = state;
36 diff = COBALT_KEY_PORT ^ last;
39 if((diff & (COBALT_KEY_ENTER | COBALT_KEY_SELECT)) && !(~last & (COBALT_KEY_ENTER | COBALT_KEY_SELECT)))
40 COBALT_LED_PORT = COBALT_LED_RESET;
42 for (mark = jiffies; jiffies - mark < HZ;)
47 void cobalt_machine_restart(char *command)
49 COBALT_LED_PORT = COBALT_LED_RESET;
51 /* we should never get here */
52 cobalt_machine_halt();
56 * This triggers the luser mode device driver for the power switch ;-)
58 void cobalt_machine_power_off(void)
60 printk("You can switch the machine off now.\n");
61 cobalt_machine_halt();