linux/arch/sh/include/cpu-sh2a/cpu/cache.h
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   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 */
  44