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 | |
24 | static 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 | |
36 | static int __init mips_reboot_setup(void) |
37 | { |
38 | _machine_restart = ralink_restart; |
39 | |
40 | return 0; |
41 | } |
42 | |
43 | arch_initcall(mips_reboot_setup); |
44 |