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41 lines
963 B
41 lines
963 B
// 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 <[email protected]> |
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* 2014 Joshua Kinard <[email protected]> |
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* 2009 Johannes Dickgreber <[email protected]> |
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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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