arch/sh/include/cpu-sh2a/cpu/cache.h

   1 /*
   2  * include/asm-sh/cpu-sh2a/cache.h
   3  *
   4  * Copyright (C) 2004 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_SH2A_CACHE_H
  11 #define __ASM_CPU_SH2A_CACHE_H
  12
  13 #define L1_CACHE_SHIFT  4
  14
  15 #define SH_CACHE_VALID          1
  16 #define SH_CACHE_UPDATED        2
  17 #define SH_CACHE_COMBINED       4
  18 #define SH_CACHE_ASSOC          8
  19
  20 #define CCR             0xfffc1000 /* CCR1 */
  21 #define CCR2            0xfffc1004
  22
  23 /*
  24  * Most of the SH-2A CCR1 definitions resemble the SH-4 ones. All others not
  25  * listed here are reserved.
  26  */
  27 #define CCR_CACHE_CB    0x0000  /* Hack */
  28 #define CCR_CACHE_OCE   0x0001
  29 #define CCR_CACHE_WT    0x0002
  30 #define CCR_CACHE_OCI   0x0008  /* OCF */
  31 #define CCR_CACHE_ICE   0x0100
  32 #define CCR_CACHE_ICI   0x0800  /* ICF */
  33
  34 #define CACHE_IC_ADDRESS_ARRAY  0xf0000000
  35 #define CACHE_OC_ADDRESS_ARRAY  0xf0800000
  36
  37 #define CCR_CACHE_ENABLE        (CCR_CACHE_OCE | CCR_CACHE_ICE)
  38 #define CCR_CACHE_INVALIDATE    (CCR_CACHE_OCI | CCR_CACHE_ICI)
  39 #define CCR_ICACHE_INVALIDATE   CCR_CACHE_ICI
  40 #define CCR_OCACHE_INVALIDATE   CCR_CACHE_OCI
  41 #define CACHE_PHYSADDR_MASK     0x1ffffc00
  42
  43 #endif /* __ASM_CPU_SH2A_CACHE_H */