Blame view

kernel/linux-imx6_3.14.28/arch/arm/mach-omap2/omap3-restart.c 1.09 KB
6b13f685e   김민수   BSP 최초 추가
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
  /*
   * omap3-restart.c - Code common to all OMAP3xxx machines.
   *
   * Copyright (C) 2009, 2012 Texas Instruments
   * Copyright (C) 2010 Nokia Corporation
   * Tony Lindgren <tony@atomide.com>
   * Santosh Shilimkar <santosh.shilimkar@ti.com>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  #include <linux/kernel.h>
  #include <linux/init.h>
  #include <linux/reboot.h>
  
  #include "iomap.h"
  #include "common.h"
  #include "control.h"
  #include "prm3xxx.h"
  
  /* Global address base setup code */
  
  /**
   * omap3xxx_restart - trigger a software restart of the SoC
   * @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c
   * @cmd: passed from the userspace program rebooting the system (if provided)
   *
   * Resets the SoC.  For @cmd, see the 'reboot' syscall in
   * kernel/sys.c.  No return value.
   */
  void omap3xxx_restart(enum reboot_mode mode, const char *cmd)
  {
  	omap3_ctrl_write_boot_mode((cmd ? (u8)*cmd : 0));
  	omap3xxx_prm_dpll3_reset(); /* never returns */
  	while (1);
  }