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

   1 /* SPDX-License-Identifier: GPL-2.0
   2  *
   3  * include/asm-sh/cpu-sh4/mmu_context.h
   4  *
   5  * Copyright (C) 1999 Niibe Yutaka
   6  */
   7 #ifndef __ASM_CPU_SH4_MMU_CONTEXT_H
   8 #define __ASM_CPU_SH4_MMU_CONTEXT_H
   9
  10 #define MMU_PTEH        0xFF000000      /* Page table entry register HIGH */
  11 #define MMU_PTEL        0xFF000004      /* Page table entry register LOW */
  12 #define MMU_TTB         0xFF000008      /* Translation table base register */
  13 #define MMU_TEA         0xFF00000C      /* TLB Exception Address */
  14 #define MMU_PTEA        0xFF000034      /* PTE assistance register */
  15 #define MMU_PTEAEX      0xFF00007C      /* PTE ASID extension register */
  16
  17 #define MMUCR           0xFF000010      /* MMU Control Register */
  18
  19 #define MMU_TLB_ENTRY_SHIFT     8
  20
  21 #define MMU_ITLB_ADDRESS_ARRAY  0xF2000000
  22 #define MMU_ITLB_ADDRESS_ARRAY2 0xF2800000
  23 #define MMU_ITLB_DATA_ARRAY     0xF3000000
  24 #define MMU_ITLB_DATA_ARRAY2    0xF3800000
  25
  26 #define MMU_UTLB_ADDRESS_ARRAY  0xF6000000
  27 #define MMU_UTLB_ADDRESS_ARRAY2 0xF6800000
  28 #define MMU_UTLB_DATA_ARRAY     0xF7000000
  29 #define MMU_UTLB_DATA_ARRAY2    0xF7800000
  30 #define MMU_PAGE_ASSOC_BIT      0x80
  31
  32 #ifdef CONFIG_MMU
  33 #define MMUCR_AT                (1 << 0)
  34 #else
  35 #define MMUCR_AT                (0)
  36 #endif
  37
  38 #define MMUCR_TI                (1 << 2)
  39
  40 #define MMUCR_URB               0x00FC0000
  41 #define MMUCR_URB_SHIFT         18
  42 #define MMUCR_URB_NENTRIES      64
  43 #define MMUCR_URC               0x0000FC00
  44 #define MMUCR_URC_SHIFT         10
  45
  46 #if defined(CONFIG_32BIT) && defined(CONFIG_CPU_SUBTYPE_ST40)
  47 #define MMUCR_SE                (1 << 4)
  48 #else
  49 #define MMUCR_SE                (0)
  50 #endif
  51
  52 #ifdef CONFIG_CPU_HAS_PTEAEX
  53 #define MMUCR_AEX               (1 << 6)
  54 #else
  55 #define MMUCR_AEX               (0)
  56 #endif
  57
  58 #ifdef CONFIG_X2TLB
  59 #define MMUCR_ME                (1 << 7)
  60 #else
  61 #define MMUCR_ME                (0)
  62 #endif
  63
  64 #ifdef CONFIG_SH_STORE_QUEUES
  65 #define MMUCR_SQMD              (1 << 9)
  66 #else
  67 #define MMUCR_SQMD              (0)
  68 #endif
  69
  70 #define MMU_NTLB_ENTRIES        64
  71 #define MMU_CONTROL_INIT        (MMUCR_AT | MMUCR_TI | MMUCR_SQMD | \
  72                                  MMUCR_ME | MMUCR_SE | MMUCR_AEX)
  73
  74 #define TRA     0xff000020
  75 #define EXPEVT  0xff000024
  76 #define INTEVT  0xff000028
  77
  78 #endif /* __ASM_CPU_SH4_MMU_CONTEXT_H */
  79