1 /* 2 * omap3-restart.c - Code common to all OMAP3xxx machines. 3 * 4 * Copyright (C) 2009, 2012 Texas Instruments 5 * Copyright (C) 2010 Nokia Corporation 6 * Tony Lindgren <tony@atomide.com> 7 * Santosh Shilimkar <santosh.shilimkar@ti.com> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License version 2 as 11 * published by the Free Software Foundation. 12 */ 13 #include <linux/kernel.h> 14 #include <linux/init.h> 15 16 #include "iomap.h" 17 #include "common.h" 18 #include "control.h" 19 #include "prm3xxx.h" 20 21 /* Global address base setup code */ 22 23 /** 24 * omap3xxx_restart - trigger a software restart of the SoC 25 * @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c 26 * @cmd: passed from the userspace program rebooting the system (if provided) 27 * 28 * Resets the SoC. For @cmd, see the 'reboot' syscall in 29 * kernel/sys.c. No return value. 30 */ 31 void omap3xxx_restart(char mode, const char *cmd) 32 { 33 omap3_ctrl_write_boot_mode((cmd ? (u8)*cmd : 0)); 34 omap3xxx_prm_dpll3_reset(); /* never returns */ 35 while (1); 36 } 37