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81 lines
1.7 KiB
81 lines
1.7 KiB
/* |
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* This file is subject to the terms and conditions of the GNU General Public |
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* License. See the file "COPYING" in the main directory of this archive |
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* for more details. |
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* |
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* Reset an IP27. |
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* |
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* Copyright (C) 1997, 1998, 1999, 2000, 06 by Ralf Baechle |
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* Copyright (C) 1999, 2000 Silicon Graphics, Inc. |
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*/ |
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#include <linux/compiler.h> |
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#include <linux/kernel.h> |
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#include <linux/sched.h> |
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#include <linux/timer.h> |
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#include <linux/smp.h> |
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#include <linux/mmzone.h> |
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#include <linux/nodemask.h> |
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#include <linux/pm.h> |
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#include <asm/io.h> |
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#include <asm/irq.h> |
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#include <asm/reboot.h> |
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#include <asm/sgialib.h> |
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#include <asm/sn/addrs.h> |
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#include <asm/sn/agent.h> |
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#include <asm/sn/arch.h> |
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#include <asm/sn/gda.h> |
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#include "ip27-common.h" |
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void machine_restart(char *command) __noreturn; |
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void machine_halt(void) __noreturn; |
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void machine_power_off(void) __noreturn; |
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#define noreturn while(1); /* Silence gcc. */ |
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/* XXX How to pass the reboot command to the firmware??? */ |
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static void ip27_machine_restart(char *command) |
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{ |
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#if 0 |
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int i; |
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#endif |
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printk("Reboot started from CPU %d\n", smp_processor_id()); |
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#ifdef CONFIG_SMP |
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smp_send_stop(); |
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#endif |
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#if 0 |
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for_each_online_node(i) |
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REMOTE_HUB_S(i, PROMOP_REG, PROMOP_REBOOT); |
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#else |
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LOCAL_HUB_S(NI_PORT_RESET, NPR_PORTRESET | NPR_LOCALRESET); |
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#endif |
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noreturn; |
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} |
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static void ip27_machine_halt(void) |
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{ |
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int i; |
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#ifdef CONFIG_SMP |
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smp_send_stop(); |
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#endif |
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for_each_online_node(i) |
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REMOTE_HUB_S(i, PROMOP_REG, PROMOP_RESTART); |
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LOCAL_HUB_S(NI_PORT_RESET, NPR_PORTRESET | NPR_LOCALRESET); |
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noreturn; |
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} |
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static void ip27_machine_power_off(void) |
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{ |
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/* To do ... */ |
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noreturn; |
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} |
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void ip27_reboot_setup(void) |
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{ |
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_machine_restart = ip27_machine_restart; |
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_machine_halt = ip27_machine_halt; |
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pm_power_off = ip27_machine_power_off; |
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}
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