arch/mips/include/asm/sibyte/sb1250_l2c.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*  *********************************************************************
   3     *  SB1250 Board Support Package
   4     *
   5     *  L2 Cache constants and macros            File: sb1250_l2c.h
   6     *
   7     *  This module contains constants useful for manipulating the
   8     *  level 2 cache.
   9     *
  10     *  SB1250 specification level:  User's manual 1/02/02
  11     *
  12     *********************************************************************
  13     *
  14     *  Copyright 2000,2001,2002,2003
  15     *  Broadcom Corporation. All rights reserved.
  16     *
  17     ********************************************************************* */
  18
  19
  20 #ifndef _SB1250_L2C_H
  21 #define _SB1250_L2C_H
  22
  23 #include <asm/sibyte/sb1250_defs.h>
  24
  25 /*
  26  * Level 2 Cache Tag register (Table 5-3)
  27  */
  28
  29 #define S_L2C_TAG_MBZ               0
  30 #define M_L2C_TAG_MBZ               _SB_MAKEMASK(5, S_L2C_TAG_MBZ)
  31
  32 #define S_L2C_TAG_INDEX             5
  33 #define M_L2C_TAG_INDEX             _SB_MAKEMASK(12, S_L2C_TAG_INDEX)
  34 #define V_L2C_TAG_INDEX(x)          _SB_MAKEVALUE(x, S_L2C_TAG_INDEX)
  35 #define G_L2C_TAG_INDEX(x)          _SB_GETVALUE(x, S_L2C_TAG_INDEX, M_L2C_TAG_INDEX)
  36
  37 #define S_L2C_TAG_TAG               17
  38 #define M_L2C_TAG_TAG               _SB_MAKEMASK(23, S_L2C_TAG_TAG)
  39 #define V_L2C_TAG_TAG(x)            _SB_MAKEVALUE(x, S_L2C_TAG_TAG)
  40 #define G_L2C_TAG_TAG(x)            _SB_GETVALUE(x, S_L2C_TAG_TAG, M_L2C_TAG_TAG)
  41
  42 #define S_L2C_TAG_ECC               40
  43 #define M_L2C_TAG_ECC               _SB_MAKEMASK(6, S_L2C_TAG_ECC)
  44 #define V_L2C_TAG_ECC(x)            _SB_MAKEVALUE(x, S_L2C_TAG_ECC)
  45 #define G_L2C_TAG_ECC(x)            _SB_GETVALUE(x, S_L2C_TAG_ECC, M_L2C_TAG_ECC)
  46
  47 #define S_L2C_TAG_WAY               46
  48 #define M_L2C_TAG_WAY               _SB_MAKEMASK(2, S_L2C_TAG_WAY)
  49 #define V_L2C_TAG_WAY(x)            _SB_MAKEVALUE(x, S_L2C_TAG_WAY)
  50 #define G_L2C_TAG_WAY(x)            _SB_GETVALUE(x, S_L2C_TAG_WAY, M_L2C_TAG_WAY)
  51
  52 #define M_L2C_TAG_DIRTY             _SB_MAKEMASK1(48)
  53 #define M_L2C_TAG_VALID             _SB_MAKEMASK1(49)
  54
  55 /*
  56  * Format of level 2 cache management address (table 5-2)
  57  */
  58
  59 #define S_L2C_MGMT_INDEX            5
  60 #define M_L2C_MGMT_INDEX            _SB_MAKEMASK(12, S_L2C_MGMT_INDEX)
  61 #define V_L2C_MGMT_INDEX(x)         _SB_MAKEVALUE(x, S_L2C_MGMT_INDEX)
  62 #define G_L2C_MGMT_INDEX(x)         _SB_GETVALUE(x, S_L2C_MGMT_INDEX, M_L2C_MGMT_INDEX)
  63
  64 #define S_L2C_MGMT_QUADRANT         15
  65 #define M_L2C_MGMT_QUADRANT         _SB_MAKEMASK(2, S_L2C_MGMT_QUADRANT)
  66 #define V_L2C_MGMT_QUADRANT(x)      _SB_MAKEVALUE(x, S_L2C_MGMT_QUADRANT)
  67 #define G_L2C_MGMT_QUADRANT(x)      _SB_GETVALUE(x, S_L2C_MGMT_QUADRANT, M_L2C_MGMT_QUADRANT)
  68
  69 #define S_L2C_MGMT_HALF             16
  70 #define M_L2C_MGMT_HALF             _SB_MAKEMASK(1, S_L2C_MGMT_HALF)
  71
  72 #define S_L2C_MGMT_WAY              17
  73 #define M_L2C_MGMT_WAY              _SB_MAKEMASK(2, S_L2C_MGMT_WAY)
  74 #define V_L2C_MGMT_WAY(x)           _SB_MAKEVALUE(x, S_L2C_MGMT_WAY)
  75 #define G_L2C_MGMT_WAY(x)           _SB_GETVALUE(x, S_L2C_MGMT_WAY, M_L2C_MGMT_WAY)
  76
  77 #define S_L2C_MGMT_ECC_DIAG         21
  78 #define M_L2C_MGMT_ECC_DIAG         _SB_MAKEMASK(2, S_L2C_MGMT_ECC_DIAG)
  79 #define V_L2C_MGMT_ECC_DIAG(x)      _SB_MAKEVALUE(x, S_L2C_MGMT_ECC_DIAG)
  80 #define G_L2C_MGMT_ECC_DIAG(x)      _SB_GETVALUE(x, S_L2C_MGMT_ECC_DIAG, M_L2C_MGMT_ECC_DIAG)
  81
  82 #define S_L2C_MGMT_TAG              23
  83 #define M_L2C_MGMT_TAG              _SB_MAKEMASK(4, S_L2C_MGMT_TAG)
  84 #define V_L2C_MGMT_TAG(x)           _SB_MAKEVALUE(x, S_L2C_MGMT_TAG)
  85 #define G_L2C_MGMT_TAG(x)           _SB_GETVALUE(x, S_L2C_MGMT_TAG, M_L2C_MGMT_TAG)
  86
  87 #define M_L2C_MGMT_DIRTY            _SB_MAKEMASK1(19)
  88 #define M_L2C_MGMT_VALID            _SB_MAKEMASK1(20)
  89
  90 #define A_L2C_MGMT_TAG_BASE         0x00D0000000
  91
  92 #define L2C_ENTRIES_PER_WAY       4096
  93 #define L2C_NUM_WAYS              4
  94
  95
  96 #if SIBYTE_HDR_FEATURE(1250, PASS3) || SIBYTE_HDR_FEATURE(112x, PASS1)
  97 /*
  98  * L2 Read Misc. register (A_L2_READ_MISC)
  99  */
 100 #define S_L2C_MISC_NO_WAY               10
 101 #define M_L2C_MISC_NO_WAY               _SB_MAKEMASK(4, S_L2C_MISC_NO_WAY)
 102 #define V_L2C_MISC_NO_WAY(x)            _SB_MAKEVALUE(x, S_L2C_MISC_NO_WAY)
 103 #define G_L2C_MISC_NO_WAY(x)            _SB_GETVALUE(x, S_L2C_MISC_NO_WAY, M_L2C_MISC_NO_WAY)
 104
 105 #define M_L2C_MISC_ECC_CLEANUP_DIS      _SB_MAKEMASK1(9)
 106 #define M_L2C_MISC_MC_PRIO_LOW          _SB_MAKEMASK1(8)
 107 #define M_L2C_MISC_SOFT_DISABLE_T       _SB_MAKEMASK1(7)
 108 #define M_L2C_MISC_SOFT_DISABLE_B       _SB_MAKEMASK1(6)
 109 #define M_L2C_MISC_SOFT_DISABLE_R       _SB_MAKEMASK1(5)
 110 #define M_L2C_MISC_SOFT_DISABLE_L       _SB_MAKEMASK1(4)
 111 #define M_L2C_MISC_SCACHE_DISABLE_T     _SB_MAKEMASK1(3)
 112 #define M_L2C_MISC_SCACHE_DISABLE_B     _SB_MAKEMASK1(2)
 113 #define M_L2C_MISC_SCACHE_DISABLE_R     _SB_MAKEMASK1(1)
 114 #define M_L2C_MISC_SCACHE_DISABLE_L     _SB_MAKEMASK1(0)
 115 #endif /* 1250 PASS3 || 112x PASS1 */
 116
 117
 118 #endif