/*
   * (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp.
   *                    <benh@kernel.crashing.org>
   *
   *   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
   */
  
  #ifndef _ASM_POWERPC_DCR_H
  #define _ASM_POWERPC_DCR_H
  #ifdef __KERNEL__

  #ifdef CONFIG_PPC_DCR

  
  #ifdef CONFIG_PPC_DCR_NATIVE
  #include <asm/dcr-native.h>
  #else
  #include <asm/dcr-mmio.h>
  #endif
  
  /*
   * On CONFIG_PPC_MERGE, we have additional helpers to read the DCR
   * base from the device-tree
   */
  #ifdef CONFIG_PPC_MERGE

  struct device_node;

  extern unsigned int dcr_resource_start(struct device_node *np,
  				       unsigned int index);
  extern unsigned int dcr_resource_len(struct device_node *np,
  				     unsigned int index);
  #endif /* CONFIG_PPC_MERGE */

  #endif /* CONFIG_PPC_DCR */

  #endif /* __KERNEL__ */
  #endif /* _ASM_POWERPC_DCR_H */