44 lines
878 B
C
44 lines
878 B
C
|
// 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);
|