// SPDX-License-Identifier: GPL-2.0-only /* * * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org> * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> * Copyright (C) 2013 John Crispin <john@phrozen.org> */ #include <linux/pm.h> #include <linux/io.h> #include <linux/of.h> #include <linux/delay.h> #include <asm/reboot.h> #include <asm/mach-ralink/ralink_regs.h> /* Reset Control */ #define SYSC_REG_RESET_CTRL 0x034 #define RSTCTL_RESET_PCI BIT(26) #define RSTCTL_RESET_SYSTEM BIT(0) static void ralink_restart(char *command) { if (IS_ENABLED(CONFIG_PCI)) { rt_sysc_m32(0, RSTCTL_RESET_PCI, SYSC_REG_RESET_CTRL); mdelay(50); } local_irq_disable(); rt_sysc_w32(RSTCTL_RESET_SYSTEM, SYSC_REG_RESET_CTRL); unreachable(); } static int __init mips_reboot_setup(void) { _machine_restart = ralink_restart; return 0; } arch_initcall(mips_reboot_setup);