1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * omap3-restart.c - Code common to all OMAP3xxx machines.
4  *
5  * Copyright (C) 2009, 2012 Texas Instruments
6  * Copyright (C) 2010 Nokia Corporation
7  * Tony Lindgren <tony@atomide.com>
8  * Santosh Shilimkar <santosh.shilimkar@ti.com>
9  */
10 #include <linux/kernel.h>
11 #include <linux/init.h>
12 #include <linux/reboot.h>
13 
14 #include "common.h"
15 #include "control.h"
16 #include "prm.h"
17 
18 /* Global address base setup code */
19 
20 /**
21  * omap3xxx_restart - trigger a software restart of the SoC
22  * @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c
23  * @cmd: passed from the userspace program rebooting the system (if provided)
24  *
25  * Resets the SoC.  For @cmd, see the 'reboot' syscall in
26  * kernel/sys.c.  No return value.
27  */
28 void omap3xxx_restart(enum reboot_mode mode, const char *cmd)
29 {
30 	omap3_ctrl_write_boot_mode((cmd ? (u8)*cmd : 0));
31 	omap_prm_reset_system();
32 }
33