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

   1 /*  *********************************************************************
   2     *  SB1250 Board Support Package
   3     *
   4     *  L2 Cache constants and macros            File: sb1250_l2c.h
   5     *
   6     *  This module contains constants useful for manipulating the
   7     *  level 2 cache.
   8     *
   9     *  SB1250 specification level:  User's manual 1/02/02
  10     *
  11     *********************************************************************
  12     *
  13     *  Copyright 2000,2001,2002,2003
  14     *  Broadcom Corporation. All rights reserved.
  15     *
  16     *  This program is free software; you can redistribute it and/or
  17     *  modify it under the terms of the GNU General Public License as
  18     *  published by the Free Software Foundation; either version 2 of
  19     *  the License, or (at your option) any later version.
  20     *
  21     *  This program is distributed in the hope that it will be useful,
  22     *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  23     *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24     *  GNU General Public License for more details.
  25     *
  26     *  You should have received a copy of the GNU General Public License
  27     *  along with this program; if not, write to the Free Software
  28     *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  29     *  MA 02111-1307 USA
  30     ********************************************************************* */
  31
  32
  33 #ifndef _SB1250_L2C_H
  34 #define _SB1250_L2C_H
  35
  36 #include "sb1250_defs.h"
  37
  38 /*
  39  * Level 2 Cache Tag register (Table 5-3)
  40  */
  41
  42 #define S_L2C_TAG_MBZ               0
  43 #define M_L2C_TAG_MBZ               _SB_MAKEMASK(5, S_L2C_TAG_MBZ)
  44
  45 #define S_L2C_TAG_INDEX             5
  46 #define M_L2C_TAG_INDEX             _SB_MAKEMASK(12, S_L2C_TAG_INDEX)
  47 #define V_L2C_TAG_INDEX(x)          _SB_MAKEVALUE(x, S_L2C_TAG_INDEX)
  48 #define G_L2C_TAG_INDEX(x)          _SB_GETVALUE(x, S_L2C_TAG_INDEX, M_L2C_TAG_INDEX)
  49
  50 #define S_L2C_TAG_TAG               17
  51 #define M_L2C_TAG_TAG               _SB_MAKEMASK(23, S_L2C_TAG_TAG)
  52 #define V_L2C_TAG_TAG(x)            _SB_MAKEVALUE(x, S_L2C_TAG_TAG)
  53 #define G_L2C_TAG_TAG(x)            _SB_GETVALUE(x, S_L2C_TAG_TAG, M_L2C_TAG_TAG)
  54
  55 #define S_L2C_TAG_ECC               40
  56 #define M_L2C_TAG_ECC               _SB_MAKEMASK(6, S_L2C_TAG_ECC)
  57 #define V_L2C_TAG_ECC(x)            _SB_MAKEVALUE(x, S_L2C_TAG_ECC)
  58 #define G_L2C_TAG_ECC(x)            _SB_GETVALUE(x, S_L2C_TAG_ECC, M_L2C_TAG_ECC)
  59
  60 #define S_L2C_TAG_WAY               46
  61 #define M_L2C_TAG_WAY               _SB_MAKEMASK(2, S_L2C_TAG_WAY)
  62 #define V_L2C_TAG_WAY(x)            _SB_MAKEVALUE(x, S_L2C_TAG_WAY)
  63 #define G_L2C_TAG_WAY(x)            _SB_GETVALUE(x, S_L2C_TAG_WAY, M_L2C_TAG_WAY)
  64
  65 #define M_L2C_TAG_DIRTY             _SB_MAKEMASK1(48)
  66 #define M_L2C_TAG_VALID             _SB_MAKEMASK1(49)
  67
  68 /*
  69  * Format of level 2 cache management address (table 5-2)
  70  */
  71
  72 #define S_L2C_MGMT_INDEX            5
  73 #define M_L2C_MGMT_INDEX            _SB_MAKEMASK(12, S_L2C_MGMT_INDEX)
  74 #define V_L2C_MGMT_INDEX(x)         _SB_MAKEVALUE(x, S_L2C_MGMT_INDEX)
  75 #define G_L2C_MGMT_INDEX(x)         _SB_GETVALUE(x, S_L2C_MGMT_INDEX, M_L2C_MGMT_INDEX)
  76
  77 #define S_L2C_MGMT_QUADRANT         15
  78 #define M_L2C_MGMT_QUADRANT         _SB_MAKEMASK(2, S_L2C_MGMT_QUADRANT)
  79 #define V_L2C_MGMT_QUADRANT(x)      _SB_MAKEVALUE(x, S_L2C_MGMT_QUADRANT)
  80 #define G_L2C_MGMT_QUADRANT(x)      _SB_GETVALUE(x, S_L2C_MGMT_QUADRANT, M_L2C_MGMT_QUADRANT)
  81
  82 #define S_L2C_MGMT_HALF             16
  83 #define M_L2C_MGMT_HALF             _SB_MAKEMASK(1, S_L2C_MGMT_HALF)
  84
  85 #define S_L2C_MGMT_WAY              17
  86 #define M_L2C_MGMT_WAY              _SB_MAKEMASK(2, S_L2C_MGMT_WAY)
  87 #define V_L2C_MGMT_WAY(x)           _SB_MAKEVALUE(x, S_L2C_MGMT_WAY)
  88 #define G_L2C_MGMT_WAY(x)           _SB_GETVALUE(x, S_L2C_MGMT_WAY, M_L2C_MGMT_WAY)
  89
  90 #define S_L2C_MGMT_ECC_DIAG         21
  91 #define M_L2C_MGMT_ECC_DIAG         _SB_MAKEMASK(2, S_L2C_MGMT_ECC_DIAG)
  92 #define V_L2C_MGMT_ECC_DIAG(x)      _SB_MAKEVALUE(x, S_L2C_MGMT_ECC_DIAG)
  93 #define G_L2C_MGMT_ECC_DIAG(x)      _SB_GETVALUE(x, S_L2C_MGMT_ECC_DIAG, M_L2C_MGMT_ECC_DIAG)
  94
  95 #define S_L2C_MGMT_TAG              23
  96 #define M_L2C_MGMT_TAG              _SB_MAKEMASK(4, S_L2C_MGMT_TAG)
  97 #define V_L2C_MGMT_TAG(x)           _SB_MAKEVALUE(x, S_L2C_MGMT_TAG)
  98 #define G_L2C_MGMT_TAG(x)           _SB_GETVALUE(x, S_L2C_MGMT_TAG, M_L2C_MGMT_TAG)
  99
 100 #define M_L2C_MGMT_DIRTY            _SB_MAKEMASK1(19)
 101 #define M_L2C_MGMT_VALID            _SB_MAKEMASK1(20)
 102
 103 #define A_L2C_MGMT_TAG_BASE         0x00D0000000
 104
 105 #define L2C_ENTRIES_PER_WAY       4096
 106 #define L2C_NUM_WAYS              4
 107
 108
 109 #if SIBYTE_HDR_FEATURE(1250, PASS3) || SIBYTE_HDR_FEATURE(112x, PASS1)
 110 /*
 111  * L2 Read Misc. register (A_L2_READ_MISC)
 112  */
 113 #define S_L2C_MISC_NO_WAY               10
 114 #define M_L2C_MISC_NO_WAY               _SB_MAKEMASK(4, S_L2C_MISC_NO_WAY)
 115 #define V_L2C_MISC_NO_WAY(x)            _SB_MAKEVALUE(x, S_L2C_MISC_NO_WAY)
 116 #define G_L2C_MISC_NO_WAY(x)            _SB_GETVALUE(x, S_L2C_MISC_NO_WAY, M_L2C_MISC_NO_WAY)
 117
 118 #define M_L2C_MISC_ECC_CLEANUP_DIS      _SB_MAKEMASK1(9)
 119 #define M_L2C_MISC_MC_PRIO_LOW          _SB_MAKEMASK1(8)
 120 #define M_L2C_MISC_SOFT_DISABLE_T       _SB_MAKEMASK1(7)
 121 #define M_L2C_MISC_SOFT_DISABLE_B       _SB_MAKEMASK1(6)
 122 #define M_L2C_MISC_SOFT_DISABLE_R       _SB_MAKEMASK1(5)
 123 #define M_L2C_MISC_SOFT_DISABLE_L       _SB_MAKEMASK1(4)
 124 #define M_L2C_MISC_SCACHE_DISABLE_T     _SB_MAKEMASK1(3)
 125 #define M_L2C_MISC_SCACHE_DISABLE_B     _SB_MAKEMASK1(2)
 126 #define M_L2C_MISC_SCACHE_DISABLE_R     _SB_MAKEMASK1(1)
 127 #define M_L2C_MISC_SCACHE_DISABLE_L     _SB_MAKEMASK1(0)
 128 #endif /* 1250 PASS3 || 112x PASS1 */
 129
 130
 131 #endif