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git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blob - arch/mips/loongson32/common/reset.c
2 * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the
6 * Free Software Foundation; either version 2 of the License, or (at your
7 * option) any later version.
12 #include <linux/sizes.h>
14 #include <asm/reboot.h>
16 #include <loongson1.h>
18 static void __iomem
*wdt_reg_base
;
20 static void ls1x_halt(void)
28 static void ls1x_restart(char *command
)
30 __raw_writel(0x1, wdt_reg_base
+ WDT_EN
);
31 __raw_writel(0x1, wdt_reg_base
+ WDT_TIMER
);
32 __raw_writel(0x1, wdt_reg_base
+ WDT_SET
);
37 static void ls1x_power_off(void)
42 static int __init
ls1x_reboot_setup(void)
44 wdt_reg_base
= ioremap_nocache(LS1X_WDT_BASE
, (SZ_4
+ SZ_8
));
46 panic("Failed to remap watchdog registers");
48 _machine_restart
= ls1x_restart
;
49 _machine_halt
= ls1x_halt
;
50 pm_power_off
= ls1x_power_off
;
55 arch_initcall(ls1x_reboot_setup
);