arch/arm/include/asm/hardware/cache-uniphier.h

   1 /*
   2  * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #ifndef __CACHE_UNIPHIER_H
  16 #define __CACHE_UNIPHIER_H
  17
  18 #include <linux/types.h>
  19
  20 #ifdef CONFIG_CACHE_UNIPHIER
  21 int uniphier_cache_init(void);
  22 int uniphier_cache_l2_is_enabled(void);
  23 void uniphier_cache_l2_touch_range(unsigned long start, unsigned long end);
  24 void uniphier_cache_l2_set_locked_ways(u32 way_mask);
  25 #else
  26 static inline int uniphier_cache_init(void)
  27 {
  28         return -ENODEV;
  29 }
  30
  31 static inline int uniphier_cache_l2_is_enabled(void)
  32 {
  33         return 0;
  34 }
  35
  36 static inline void uniphier_cache_l2_touch_range(unsigned long start,
  37                                                  unsigned long end)
  38 {
  39 }
  40
  41 static inline void uniphier_cache_l2_set_locked_ways(u32 way_mask)
  42 {
  43 }
  44 #endif
  45
  46 #endif /* __CACHE_UNIPHIER_H */