text: /*
   * arch/arm/include/asm/outercache.h
   *
   * Copyright (C) 2010 ARM Ltd.
   * Written by Catalin Marinas <catalin.marinas@arm.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.
   *
   * 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_OUTERCACHE_H
  #define __ASM_OUTERCACHE_H
  
  #include <linux/types.h>
  
  struct outer_cache_fns {
  	void (*inv_range)(unsigned long, unsigned long);
  	void (*clean_range)(unsigned long, unsigned long);
  	void (*flush_range)(unsigned long, unsigned long);
  	void (*flush_all)(void);
  	void (*clean_all)(void);
  	void (*inv_all)(void);
  	void (*disable)(void);
  	uint32_t (*get_size)(void);
  #ifdef CONFIG_OUTER_CACHE_SYNC
  	void (*sync)(void);
  #endif
  	void (*set_debug)(unsigned long);
  	void (*resume)(void);
  };
  
  extern struct outer_cache_fns outer_cache;
  
  #ifdef CONFIG_OUTER_CACHE
  
  static inline void outer_inv_range(phys_addr_t start, phys_addr_t end)
  {
  	if (outer_cache.inv_range)
  		outer_cache.inv_range(start, end);
  }
  static inline void outer_clean_range(phys_addr_t start, phys_addr_t end)
  {
  	if (outer_cache.clean_range)
  		outer_cache.clean_range(start, end);
  }
  static inline void outer_flush_range(phys_addr_t start, phys_addr_t end)
  {
  	if (outer_cache.flush_range)
  		outer_cache.flush_range(start, end);
  }
  
  static inline void outer_flush_all(void)
  {
  	if (outer_cache.flush_all)
  		outer_cache.flush_all();
  }
  
  static inline void outer_clean_all(void)
  {
  	if (outer_cache.clean_all)
  		outer_cache.clean_all();
  }
  
  static inline void outer_inv_all(void)
  {
  	if (outer_cache.inv_all)
  		outer_cache.inv_all();
  }
  
  static inline void outer_disable(void)
  {
  	if (outer_cache.disable)
  		outer_cache.disable();
  }
  
  static inline void outer_resume(void)
  {
  	if (outer_cache.resume)
  		outer_cache.resume();
  }
  
  #else
  
  static inline void outer_inv_range(phys_addr_t start, phys_addr_t end)
  { }
  static inline void outer_clean_range(phys_addr_t start, phys_addr_t end)
  { }
  static inline void outer_flush_range(phys_addr_t start, phys_addr_t end)
  { }
  static inline void outer_flush_all(void) { }
  static inline void outer_clean_all(void) { }
  static inline void outer_inv_all(void) { }
  static inline void outer_disable(void) { }
  static inline void outer_resume(void) { }
  
  #endif
  
  #ifdef CONFIG_OUTER_CACHE_SYNC
  static inline void outer_sync(void)
  {
  	if (outer_cache.sync)
  		outer_cache.sync();
  }
  #else
  static inline void outer_sync(void)
  { }
  #endif
  
  #endif	/* __ASM_OUTERCACHE_H */
  