5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
42 lines
963 B
C
42 lines
963 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* ip30-power.c: Software powerdown and reset handling for IP30 architecture.
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*
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* Copyright (C) 2004-2007 Stanislaw Skowronek <skylark@unaligned.org>
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* 2014 Joshua Kinard <kumba@gentoo.org>
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* 2009 Johannes Dickgreber <tanzy@gmx.de>
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/sched.h>
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#include <linux/notifier.h>
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#include <linux/delay.h>
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#include <linux/rtc/ds1685.h>
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#include <linux/interrupt.h>
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#include <linux/pm.h>
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#include <asm/reboot.h>
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#include <asm/sgi/heart.h>
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static void __noreturn ip30_machine_restart(char *cmd)
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{
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/*
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* Execute HEART cold reset
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* Yes, it's cold-HEARTed!
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*/
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heart_write((heart_read(&heart_regs->mode) | HM_COLD_RST),
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&heart_regs->mode);
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unreachable();
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}
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static int __init ip30_reboot_setup(void)
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{
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_machine_restart = ip30_machine_restart;
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return 0;
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}
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subsys_initcall(ip30_reboot_setup);
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