/*
   *  linux/arch/arm/plat-versatile/sched-clock.c
   *
   *  Copyright (C) 1999 - 2003 ARM Limited
   *  Copyright (C) 2000 Deep Blue Solutions Ltd
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  #include <linux/kernel.h>
  #include <linux/io.h>
  #include <linux/sched_clock.h>
  
  #include <plat/sched_clock.h>
  
  static void __iomem *ctr;
  
  static u64 notrace versatile_read_sched_clock(void)
  {
  	if (ctr)
  		return readl(ctr);
  
  	return 0;
  }
  
  void __init versatile_sched_clock_init(void __iomem *reg, unsigned long rate)
  {
  	ctr = reg;
  	sched_clock_register(versatile_read_sched_clock, 32, rate);
  }