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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
52 lines
935 B
C
52 lines
935 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
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*/
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#include <linux/io.h>
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#include <linux/pm.h>
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#include <linux/sizes.h>
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#include <asm/idle.h>
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#include <asm/reboot.h>
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#include <loongson1.h>
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static void __iomem *wdt_reg_base;
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static void ls1x_halt(void)
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{
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while (1) {
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if (cpu_wait)
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cpu_wait();
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}
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}
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static void ls1x_restart(char *command)
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{
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__raw_writel(0x1, wdt_reg_base + WDT_EN);
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__raw_writel(0x1, wdt_reg_base + WDT_TIMER);
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__raw_writel(0x1, wdt_reg_base + WDT_SET);
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ls1x_halt();
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}
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static void ls1x_power_off(void)
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{
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ls1x_halt();
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}
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static int __init ls1x_reboot_setup(void)
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{
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wdt_reg_base = ioremap_nocache(LS1X_WDT_BASE, (SZ_4 + SZ_8));
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if (!wdt_reg_base)
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panic("Failed to remap watchdog registers");
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_machine_restart = ls1x_restart;
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_machine_halt = ls1x_halt;
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pm_power_off = ls1x_power_off;
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return 0;
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}
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arch_initcall(ls1x_reboot_setup);
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