projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| c06e836a | 2 | /* |
| c06e836a JC |
3 | * |
| 4 | * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org> | |
| 5 | * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> | |
| 97b92108 | 6 | * Copyright (C) 2013 John Crispin <john@phrozen.org> |
| c06e836a JC |
7 | */ |
| 8 | ||
| 9 | #include <linux/pm.h> | |
| 10 | #include <linux/io.h> | |
| 2a153f1c | 11 | #include <linux/of.h> |
| 1a935205 | 12 | #include <linux/delay.h> |
| c06e836a JC |
13 | |
| 14 | #include <asm/reboot.h> | |
| 15 | ||
| 16 | #include <asm/mach-ralink/ralink_regs.h> | |
| 17 | ||
| 18 | /* Reset Control */ | |
| 1a935205 JC |
19 | #define SYSC_REG_RESET_CTRL 0x034 |
| 20 | ||
| 21 | #define RSTCTL_RESET_PCI BIT(26) | |
| 22 | #define RSTCTL_RESET_SYSTEM BIT(0) | |
| c06e836a JC |
23 | |
| 24 | static void ralink_restart(char *command) | |
| 25 | { | |
| 1a935205 JC |
26 | if (IS_ENABLED(CONFIG_PCI)) { |
| 27 | rt_sysc_m32(0, RSTCTL_RESET_PCI, SYSC_REG_RESET_CTRL); | |
| 28 | mdelay(50); | |
| 29 | } | |
| 30 | ||
| c06e836a JC |
31 | local_irq_disable(); |
| 32 | rt_sysc_w32(RSTCTL_RESET_SYSTEM, SYSC_REG_RESET_CTRL); | |
| 33 | unreachable(); | |
| 34 | } | |
| 35 | ||
| c06e836a JC |
36 | static int __init mips_reboot_setup(void) |
| 37 | { | |
| 38 | _machine_restart = ralink_restart; | |
| c06e836a JC |
39 | |
| 40 | return 0; | |
| 41 | } | |
| 42 | ||
| 43 | arch_initcall(mips_reboot_setup); |