arch/arc/include/asm/cache.h

   1 /*
   2  * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #ifndef __ASM_ARC_CACHE_H
   8 #define __ASM_ARC_CACHE_H
   9
  10 #include <config.h>
  11
  12 #ifdef CONFIG_ARC_CACHE_LINE_SHIFT
  13 #define CONFIG_SYS_CACHELINE_SIZE       (1 << CONFIG_ARC_CACHE_LINE_SHIFT)
  14 #define ARCH_DMA_MINALIGN               CONFIG_SYS_CACHELINE_SIZE
  15 #else
  16 /* Satisfy users of ARCH_DMA_MINALIGN */
  17 #define ARCH_DMA_MINALIGN               128
  18 #endif
  19
  20 #if defined(ARC_MMU_ABSENT)
  21 #define CONFIG_ARC_MMU_VER 0
  22 #elif defined(CONFIG_ARC_MMU_V2)
  23 #define CONFIG_ARC_MMU_VER 2
  24 #elif defined(CONFIG_ARC_MMU_V3)
  25 #define CONFIG_ARC_MMU_VER 3
  26 #elif defined(CONFIG_ARC_MMU_V4)
  27 #define CONFIG_ARC_MMU_VER 4
  28 #endif
  29
  30 #ifndef __ASSEMBLY__
  31
  32 #ifdef CONFIG_ISA_ARCV2
  33 void slc_enable(void);
  34 void slc_disable(void);
  35 void slc_flush(void);
  36 void slc_invalidate(void);
  37 #endif
  38
  39 #endif /* __ASSEMBLY__ */
  40
  41 #endif /* __ASM_ARC_CACHE_H */