xref: /OK3568_Linux_fs/kernel/arch/arm/mach-omap2/omap3-restart.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * omap3-restart.c - Code common to all OMAP3xxx machines.
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) 2009, 2012 Texas Instruments
6*4882a593Smuzhiyun  * Copyright (C) 2010 Nokia Corporation
7*4882a593Smuzhiyun  * Tony Lindgren <tony@atomide.com>
8*4882a593Smuzhiyun  * Santosh Shilimkar <santosh.shilimkar@ti.com>
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun #include <linux/kernel.h>
11*4882a593Smuzhiyun #include <linux/init.h>
12*4882a593Smuzhiyun #include <linux/reboot.h>
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #include "common.h"
15*4882a593Smuzhiyun #include "control.h"
16*4882a593Smuzhiyun #include "prm.h"
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun /* Global address base setup code */
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun /**
21*4882a593Smuzhiyun  * omap3xxx_restart - trigger a software restart of the SoC
22*4882a593Smuzhiyun  * @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c
23*4882a593Smuzhiyun  * @cmd: passed from the userspace program rebooting the system (if provided)
24*4882a593Smuzhiyun  *
25*4882a593Smuzhiyun  * Resets the SoC.  For @cmd, see the 'reboot' syscall in
26*4882a593Smuzhiyun  * kernel/sys.c.  No return value.
27*4882a593Smuzhiyun  */
omap3xxx_restart(enum reboot_mode mode,const char * cmd)28*4882a593Smuzhiyun void omap3xxx_restart(enum reboot_mode mode, const char *cmd)
29*4882a593Smuzhiyun {
30*4882a593Smuzhiyun 	omap3_ctrl_write_boot_mode((cmd ? (u8)*cmd : 0));
31*4882a593Smuzhiyun 	omap_prm_reset_system();
32*4882a593Smuzhiyun }
33