2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
8 * Copyright (C) 1997, 1998, 1999, 2000, 06 by Ralf Baechle
9 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
11 #include <linux/config.h>
12 #include <linux/kernel.h>
13 #include <linux/sched.h>
14 #include <linux/timer.h>
15 #include <linux/smp.h>
16 #include <linux/mmzone.h>
17 #include <linux/nodemask.h>
22 #include <asm/reboot.h>
23 #include <asm/system.h>
24 #include <asm/sgialib.h>
25 #include <asm/sn/addrs.h>
26 #include <asm/sn/arch.h>
27 #include <asm/sn/gda.h>
28 #include <asm/sn/sn0/hub.h>
30 void machine_restart(char *command) __attribute__((noreturn));
31 void machine_halt(void) __attribute__((noreturn));
32 void machine_power_off(void) __attribute__((noreturn));
34 #define noreturn while(1); /* Silence gcc. */
36 /* XXX How to pass the reboot command to the firmware??? */
37 static void ip27_machine_restart(char *command)
43 printk("Reboot started from CPU %d\n", smp_processor_id());
48 for_each_online_node(i)
49 REMOTE_HUB_S(COMPACT_TO_NASID_NODEID(i), PROMOP_REG,
52 LOCAL_HUB_S(NI_PORT_RESET, NPR_PORTRESET | NPR_LOCALRESET);
57 static void ip27_machine_halt(void)
64 for_each_online_node(i)
65 REMOTE_HUB_S(COMPACT_TO_NASID_NODEID(i), PROMOP_REG,
67 LOCAL_HUB_S(NI_PORT_RESET, NPR_PORTRESET | NPR_LOCALRESET);
71 static void ip27_machine_power_off(void)
77 void ip27_reboot_setup(void)
79 _machine_restart = ip27_machine_restart;
80 _machine_halt = ip27_machine_halt;
81 pm_power_off = ip27_machine_power_off;