arch/microblaze/include/asm/cache.h

   1 /*
   2  * Cache operations
   3  *
   4  * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
   5  * Copyright (C) 2007-2009 PetaLogix
   6  * Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au>
   7  *
   8  * This file is subject to the terms and conditions of the GNU General
   9  * Public License. See the file COPYING in the main directory of this
  10  * archive for more details.
  11  */
  12
  13 #ifndef _ASM_MICROBLAZE_CACHE_H
  14 #define _ASM_MICROBLAZE_CACHE_H
  15
  16 #include <asm/registers.h>
  17
  18 #define L1_CACHE_SHIFT  2
  19 /* word-granular cache in microblaze */
  20 #define L1_CACHE_BYTES  (1 << L1_CACHE_SHIFT)
  21
  22 #define SMP_CACHE_BYTES L1_CACHE_BYTES
  23
  24 void _enable_icache(void);
  25 void _disable_icache(void);
  26 void _invalidate_icache(unsigned int addr);
  27
  28 #define __enable_icache()               _enable_icache()
  29 #define __disable_icache()              _disable_icache()
  30 #define __invalidate_icache(addr)       _invalidate_icache(addr)
  31
  32 void _enable_dcache(void);
  33 void _disable_dcache(void);
  34 void _invalidate_dcache(unsigned int addr);
  35
  36 #define __enable_dcache()               _enable_dcache()
  37 #define __disable_dcache()              _disable_dcache()
  38 #define __invalidate_dcache(addr)       _invalidate_dcache(addr)
  39
  40 /* FIXME - I don't think this is right */
  41 #ifdef CONFIG_XILINX_UNCACHED_SHADOW
  42 #define UNCACHED_SHADOW_MASK (CONFIG_XILINX_ERAM_SIZE)
  43 #endif
  44
  45 #endif /* _ASM_MICROBLAZE_CACHE_H */