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kernel/linux-rt-4.4.41/arch/arm/mach-shmobile/pm-r8a7779.c 926 Bytes
5113f6f70   김현기   kernel add
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  /*
   * r8a7779 Power management support
   *
   * Copyright (C) 2011  Renesas Solutions Corp.
   * Copyright (C) 2011  Magnus Damm
   *
   * This file is subject to the terms and conditions of the GNU General Public
   * License.  See the file "COPYING" in the main directory of this archive
   * for more details.
   */
  
  #include <asm/io.h>
  
  #include "pm-rcar.h"
  #include "r8a7779.h"
  
  /* SYSC */
  #define SYSCIER 0x0c
  #define SYSCIMR 0x10
  
  #if defined(CONFIG_PM) || defined(CONFIG_SMP)
  
  static void __init r8a7779_sysc_init(void)
  {
  	void __iomem *base = rcar_sysc_init(0xffd85000);
  
  	/* enable all interrupt sources, but do not use interrupt handler */
  	iowrite32(0x0131000e, base + SYSCIER);
  	iowrite32(0, base + SYSCIMR);
  }
  
  #else /* CONFIG_PM || CONFIG_SMP */
  
  static inline void r8a7779_sysc_init(void) {}
  
  #endif /* CONFIG_PM || CONFIG_SMP */
  
  void __init r8a7779_pm_init(void)
  {
  	static int once;
  
  	if (!once++)
  		r8a7779_sysc_init();
  }