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sb1250_l2c.h revision 1.4 
      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 (mpl (at) broadcom.com)
     12     *
     13     *********************************************************************
     14     *
     15     *  Copyright 2000,2001,2002,2003
     16     *  Broadcom Corporation. All rights reserved.
     17     *
     18     *  This software is furnished under license and may be used and
     19     *  copied only in accordance with the following terms and
     20     *  conditions.  Subject to these conditions, you may download,
     21     *  copy, install, use, modify and distribute modified or unmodified
     22     *  copies of this software in source and/or binary form.  No title
     23     *  or ownership is transferred hereby.
     24     *
     25     *  1) Any source code used, modified or distributed must reproduce
     26     *     and retain this copyright notice and list of conditions
     27     *     as they appear in the source file.
     28     *
     29     *  2) No right is granted to use any trade name, trademark, or
     30     *     logo of Broadcom Corporation.  The "Broadcom Corporation"
     31     *     name may not be used to endorse or promote products derived
     32     *     from this software without the prior written permission of
     33     *     Broadcom Corporation.
     34     *
     35     *  3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
     36     *     IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
     37     *     WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
     38     *     PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
     39     *     SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
     40     *     PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
     41     *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     42     *     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
     43     *     GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     44     *     BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     45     *     OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
     46     *     TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
     47     *     THE POSSIBILITY OF SUCH DAMAGE.
     48     ********************************************************************* */
     49 
     50 
     51 #ifndef _SB1250_L2C_H
     52 #define _SB1250_L2C_H
     53 
     54 #include "sb1250_defs.h"
     55 
     56 /*
     57  * Level 2 Cache Tag register (Table 5-3)
     58  */
     59 
     60 #define S_L2C_TAG_MBZ               0
     61 #define M_L2C_TAG_MBZ               _SB_MAKEMASK(5,S_L2C_TAG_MBZ)
     62 
     63 #define S_L2C_TAG_INDEX             5
     64 #define M_L2C_TAG_INDEX             _SB_MAKEMASK(12,S_L2C_TAG_INDEX)
     65 #define V_L2C_TAG_INDEX(x)          _SB_MAKEVALUE(x,S_L2C_TAG_INDEX)
     66 #define G_L2C_TAG_INDEX(x)          _SB_GETVALUE(x,S_L2C_TAG_INDEX,M_L2C_TAG_INDEX)
     67 
     68 #define S_L2C_TAG_TAG               17
     69 #define M_L2C_TAG_TAG               _SB_MAKEMASK(23,S_L2C_TAG_TAG)
     70 #define V_L2C_TAG_TAG(x)            _SB_MAKEVALUE(x,S_L2C_TAG_TAG)
     71 #define G_L2C_TAG_TAG(x)            _SB_GETVALUE(x,S_L2C_TAG_TAG,M_L2C_TAG_TAG)
     72 
     73 #define S_L2C_TAG_ECC               40
     74 #define M_L2C_TAG_ECC               _SB_MAKEMASK(6,S_L2C_TAG_ECC)
     75 #define V_L2C_TAG_ECC(x)            _SB_MAKEVALUE(x,S_L2C_TAG_ECC)
     76 #define G_L2C_TAG_ECC(x)            _SB_GETVALUE(x,S_L2C_TAG_ECC,M_L2C_TAG_ECC)
     77 
     78 #define S_L2C_TAG_WAY               46
     79 #define M_L2C_TAG_WAY               _SB_MAKEMASK(2,S_L2C_TAG_WAY)
     80 #define V_L2C_TAG_WAY(x)            _SB_MAKEVALUE(x,S_L2C_TAG_WAY)
     81 #define G_L2C_TAG_WAY(x)            _SB_GETVALUE(x,S_L2C_TAG_WAY,M_L2C_TAG_WAY)
     82 
     83 #define M_L2C_TAG_DIRTY             _SB_MAKEMASK1(48)
     84 #define M_L2C_TAG_VALID             _SB_MAKEMASK1(49)
     85 
     86 /*
     87  * Format of level 2 cache management address (table 5-2)
     88  */
     89 
     90 #define S_L2C_MGMT_INDEX            5
     91 #define M_L2C_MGMT_INDEX            _SB_MAKEMASK(12,S_L2C_MGMT_INDEX)
     92 #define V_L2C_MGMT_INDEX(x)         _SB_MAKEVALUE(x,S_L2C_MGMT_INDEX)
     93 #define G_L2C_MGMT_INDEX(x)         _SB_GETVALUE(x,S_L2C_MGMT_INDEX,M_L2C_MGMT_INDEX)
     94 
     95 #define S_L2C_MGMT_QUADRANT         15
     96 #define M_L2C_MGMT_QUADRANT         _SB_MAKEMASK(2,S_L2C_MGMT_QUADRANT)
     97 #define V_L2C_MGMT_QUADRANT(x)      _SB_MAKEVALUE(x,S_L2C_MGMT_QUADRANT)
     98 #define G_L2C_MGMT_QUADRANT(x)      _SB_GETVALUE(x,S_L2C_MGMT_QUADRANT,M_L2C_MGMT_QUADRANT)
     99 
    100 #define S_L2C_MGMT_HALF		    16
    101 #define M_L2C_MGMT_HALF	            _SB_MAKEMASK(1,S_L2C_MGMT_HALF)
    102 
    103 #define S_L2C_MGMT_WAY              17
    104 #define M_L2C_MGMT_WAY              _SB_MAKEMASK(2,S_L2C_MGMT_WAY)
    105 #define V_L2C_MGMT_WAY(x)           _SB_MAKEVALUE(x,S_L2C_MGMT_WAY)
    106 #define G_L2C_MGMT_WAY(x)           _SB_GETVALUE(x,S_L2C_MGMT_WAY,M_L2C_MGMT_WAY)
    107 
    108 #define S_L2C_MGMT_TAG              21
    109 #define M_L2C_MGMT_TAG              _SB_MAKEMASK(6,S_L2C_MGMT_TAG)
    110 #define V_L2C_MGMT_TAG(x)           _SB_MAKEVALUE(x,S_L2C_MGMT_TAG)
    111 #define G_L2C_MGMT_TAG(x)           _SB_GETVALUE(x,S_L2C_MGMT_TAG,M_L2C_MGMT_TAG)
    112 
    113 #define M_L2C_MGMT_DIRTY            _SB_MAKEMASK1(19)
    114 #define M_L2C_MGMT_VALID            _SB_MAKEMASK1(20)
    115 
    116 #define A_L2C_MGMT_TAG_BASE         0x00D0000000
    117 
    118 #define L2C_ENTRIES_PER_WAY       4096
    119 #define L2C_NUM_WAYS              4
    120 
    121 
    122 #if SIBYTE_HDR_FEATURE(112x, PASS1)
    123 /*
    124  * L2 Read Misc. register (A_L2_READ_MISC)
    125  */
    126 #define S_L2C_MISC_NO_WAY		10
    127 #define M_L2C_MISC_NO_WAY		_SB_MAKEMASK(4,S_L2C_MISC_NO_WAY)
    128 #define V_L2C_MISC_NO_WAY(x)		_SB_MAKEVALUE(x,S_L2C_MISC_NO_WAY)
    129 #define G_L2C_MISC_NO_WAY(x)		_SB_GETVALUE(x,S_L2C_MISC_NO_WAY,M_L2C_MISC_NO_WAY)
    130 
    131 #define M_L2C_MISC_ECC_CLEANUP_DIS	_SB_MAKEMASK1(9)
    132 #define M_L2C_MISC_MC_PRIO_LOW		_SB_MAKEMASK1(8)
    133 #define M_L2C_MISC_SOFT_DISABLE_T	_SB_MAKEMASK1(7)
    134 #define M_L2C_MISC_SOFT_DISABLE_B	_SB_MAKEMASK1(6)
    135 #define M_L2C_MISC_SOFT_DISABLE_R	_SB_MAKEMASK1(5)
    136 #define M_L2C_MISC_SOFT_DISABLE_L	_SB_MAKEMASK1(4)
    137 #define M_L2C_MISC_SCACHE_DISABLE_T	_SB_MAKEMASK1(3)
    138 #define M_L2C_MISC_SCACHE_DISABLE_B	_SB_MAKEMASK1(2)
    139 #define M_L2C_MISC_SCACHE_DISABLE_R	_SB_MAKEMASK1(1)
    140 #define M_L2C_MISC_SCACHE_DISABLE_L	_SB_MAKEMASK1(0)
    141 #endif /* 112x PASS1 */
    142 
    143 
    144 #endif
    145