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