1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 *
 4 * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
 5 * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
 6 * Copyright (C) 2013 John Crispin <john@phrozen.org>
 7 */
 8
 9#include <linux/pm.h>
10#include <linux/io.h>
11#include <linux/of.h>
12#include <linux/delay.h>
13
14#include <asm/reboot.h>
15
16#include <asm/mach-ralink/ralink_regs.h>
17
18/* Reset Control */
19#define SYSC_REG_RESET_CTRL	0x034
20
21#define RSTCTL_RESET_PCI	BIT(26)
22#define RSTCTL_RESET_SYSTEM	BIT(0)
23
24static void ralink_restart(char *command)
25{
26	if (IS_ENABLED(CONFIG_PCI)) {
27		rt_sysc_m32(0, RSTCTL_RESET_PCI, SYSC_REG_RESET_CTRL);
28		mdelay(50);
29	}
30
31	local_irq_disable();
32	rt_sysc_w32(RSTCTL_RESET_SYSTEM, SYSC_REG_RESET_CTRL);
33	unreachable();
34}
35
36static int __init mips_reboot_setup(void)
37{
38	_machine_restart = ralink_restart;
39
40	return 0;
41}
42
43arch_initcall(mips_reboot_setup);