include/asm-sh/cpu-sh2/cache.h

   1 /*
   2  * include/asm-sh/cpu-sh2/cache.h
   3  *
   4  * Copyright (C) 2003 Paul Mundt
   5  *
   6  * This file is subject to the terms and conditions of the GNU General Public
   7  * License.  See the file "COPYING" in the main directory of this archive
   8  * for more details.
   9  */
  10 #ifndef __ASM_CPU_SH2_CACHE_H
  11 #define __ASM_CPU_SH2_CACHE_H
  12
  13 #define L1_CACHE_SHIFT  4
  14
  15 #define CCR             0xfffffe92      /* Address of Cache Control Register */
  16
  17 #define CCR_CACHE_CE    0x01    /* Cache enable */
  18 #define CCR_CACHE_ID    0x02    /* Instruction Replacement disable */
  19 #define CCR_CACHE_OD    0x04    /* Data Replacement disable */
  20 #define CCR_CACHE_TW    0x08    /* Two-way mode */
  21 #define CCR_CACHE_CP    0x10    /* Cache purge */
  22
  23 #define CACHE_OC_ADDRESS_ARRAY  0x60000000
  24
  25 #define CCR_CACHE_ENABLE        CCR_CACHE_CE
  26 #define CCR_CACHE_INVALIDATE    CCR_CACHE_CP
  27 #define CCR_CACHE_ORA           CCR_CACHE_TW
  28 #define CCR_CACHE_WT            0x00    /* SH-2 is _always_ write-through */
  29
  30 #endif /* __ASM_CPU_SH2_CACHE_H */
  31