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/kernel.h>
12 #include <linux/sched.h>
13 #include <linux/timer.h>
14 #include <linux/smp.h>
15 #include <linux/mmzone.h>
16 #include <linux/nodemask.h>
21 #include <asm/reboot.h>
22 #include <asm/sgialib.h>
23 #include <asm/sn/addrs.h>
24 #include <asm/sn/arch.h>
25 #include <asm/sn/gda.h>
26 #include <asm/sn/sn0/hub.h>
28 void machine_restart(char *command
) __attribute__((noreturn
));
29 void machine_halt(void) __attribute__((noreturn
));
30 void machine_power_off(void) __attribute__((noreturn
));
32 #define noreturn while(1); /* Silence gcc. */
34 /* XXX How to pass the reboot command to the firmware??? */
35 static void ip27_machine_restart(char *command
)
41 printk("Reboot started from CPU %d\n", smp_processor_id());
46 for_each_online_node(i
)
47 REMOTE_HUB_S(COMPACT_TO_NASID_NODEID(i
), PROMOP_REG
,
50 LOCAL_HUB_S(NI_PORT_RESET
, NPR_PORTRESET
| NPR_LOCALRESET
);
55 static void ip27_machine_halt(void)
62 for_each_online_node(i
)
63 REMOTE_HUB_S(COMPACT_TO_NASID_NODEID(i
), PROMOP_REG
,
65 LOCAL_HUB_S(NI_PORT_RESET
, NPR_PORTRESET
| NPR_LOCALRESET
);
69 static void ip27_machine_power_off(void)
75 void ip27_reboot_setup(void)
77 _machine_restart
= ip27_machine_restart
;
78 _machine_halt
= ip27_machine_halt
;
79 pm_power_off
= ip27_machine_power_off
;
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