| Paul Walmsley | 2f334a3 | 2012-10-29 20:56:07 -0600 | [diff] [blame] | 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> |
| Robin Holt | 7b6d864 | 2013-07-08 16:01:40 -0700 | [diff] [blame] | 15 | #include <linux/reboot.h> |
| Paul Walmsley | 2f334a3 | 2012-10-29 20:56:07 -0600 | [diff] [blame] | 16 | |
| 17 | #include "iomap.h" |
| 18 | #include "common.h" |
| 19 | #include "control.h" |
| 20 | #include "prm3xxx.h" |
| 21 | |
| 22 | /* Global address base setup code */ |
| 23 | |
| 24 | /** |
| 25 | * omap3xxx_restart - trigger a software restart of the SoC |
| 26 | * @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c |
| 27 | * @cmd: passed from the userspace program rebooting the system (if provided) |
| 28 | * |
| 29 | * Resets the SoC. For @cmd, see the 'reboot' syscall in |
| 30 | * kernel/sys.c. No return value. |
| 31 | */ |
| Robin Holt | 7b6d864 | 2013-07-08 16:01:40 -0700 | [diff] [blame] | 32 | void omap3xxx_restart(enum reboot_mode mode, const char *cmd) |
| Paul Walmsley | 2f334a3 | 2012-10-29 20:56:07 -0600 | [diff] [blame] | 33 | { |
| 34 | omap3_ctrl_write_boot_mode((cmd ? (u8)*cmd : 0)); |
| 35 | omap3xxx_prm_dpll3_reset(); /* never returns */ |
| 36 | while (1); |
| 37 | } |