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 }