include/asm-sh/cpu-sh3/cache.h

   1 /*
   2  * include/asm-sh/cpu-sh3/cache.h
   3  *
   4  * Copyright (C) 1999 Niibe Yutaka
   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_SH3_CACHE_H
  11 #define __ASM_CPU_SH3_CACHE_H
  12
  13 #define L1_CACHE_SHIFT  4
  14
  15 #define CCR             0xffffffec      /* Address of Cache Control Register */
  16
  17 #define CCR_CACHE_CE    0x01    /* Cache Enable */
  18 #define CCR_CACHE_WT    0x02    /* Write-Through (for P0,U0,P3) (else writeback) */
  19 #define CCR_CACHE_CB    0x04    /* Write-Back (for P1) (else writethrough) */
  20 #define CCR_CACHE_CF    0x08    /* Cache Flush */
  21 #define CCR_CACHE_ORA   0x20    /* RAM mode */
  22
  23 #define CACHE_OC_ADDRESS_ARRAY  0xf0000000
  24 #define CACHE_PHYSADDR_MASK     0x1ffffc00
  25
  26 #define CCR_CACHE_ENABLE        CCR_CACHE_CE
  27 #define CCR_CACHE_INVALIDATE    CCR_CACHE_CF
  28
  29 #if defined(CONFIG_CPU_SUBTYPE_SH7705)
  30 #define CCR3    0xa40000b4
  31 #define CCR_CACHE_16KB  0x00010000
  32 #define CCR_CACHE_32KB  0x00020000
  33 #endif
  34
  35
  36 #endif /* __ASM_CPU_SH3_CACHE_H */
  37