arch/sh/include/cpu-sh4/cpu/mmu_context.h

   1 /*
   2  * include/asm-sh/cpu-sh4/mmu_context.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_SH4_MMU_CONTEXT_H
  11 #define __ASM_CPU_SH4_MMU_CONTEXT_H
  12
  13 #define MMU_PTEH        0xFF000000      /* Page table entry register HIGH */
  14 #define MMU_PTEL        0xFF000004      /* Page table entry register LOW */
  15 #define MMU_TTB         0xFF000008      /* Translation table base register */
  16 #define MMU_TEA         0xFF00000C      /* TLB Exception Address */
  17 #define MMU_PTEA        0xFF000034      /* PTE assistance register */
  18 #define MMU_PTEAEX      0xFF00007C      /* PTE ASID extension register */
  19
  20 #define MMUCR           0xFF000010      /* MMU Control Register */
  21
  22 #define MMU_UTLB_ADDRESS_ARRAY  0xF6000000
  23 #define MMU_UTLB_ADDRESS_ARRAY2 0xF6800000
  24 #define MMU_PAGE_ASSOC_BIT      0x80
  25
  26 #define MMUCR_TI                (1<<2)
  27
  28 #define MMUCR_URB               0x00FC0000
  29 #define MMUCR_URB_SHIFT         18
  30 #define MMUCR_URB_NENTRIES      64
  31
  32 #if defined(CONFIG_32BIT) && defined(CONFIG_CPU_SUBTYPE_ST40)
  33 #define MMUCR_SE                (1 << 4)
  34 #else
  35 #define MMUCR_SE                (0)
  36 #endif
  37
  38 #ifdef CONFIG_CPU_HAS_PTEAEX
  39 #define MMUCR_AEX               (1 << 6)
  40 #else
  41 #define MMUCR_AEX               (0)
  42 #endif
  43
  44 #ifdef CONFIG_X2TLB
  45 #define MMUCR_ME                (1 << 7)
  46 #else
  47 #define MMUCR_ME                (0)
  48 #endif
  49
  50 #ifdef CONFIG_SH_STORE_QUEUES
  51 #define MMUCR_SQMD              (1 << 9)
  52 #else
  53 #define MMUCR_SQMD              (0)
  54 #endif
  55
  56 #define MMU_NTLB_ENTRIES        64
  57 #define MMU_CONTROL_INIT        (0x05|MMUCR_SQMD|MMUCR_ME|MMUCR_SE|MMUCR_AEX)
  58
  59 #define TRA     0xff000020
  60 #define EXPEVT  0xff000024
  61 #define INTEVT  0xff000028
  62
  63 #endif /* __ASM_CPU_SH4_MMU_CONTEXT_H */
  64