xref: /netbsd/sys/arch/mips/sibyte/include/sb1250_l2c.h (revision c4a72b64)
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@broadcom.com)
12     *
13     *********************************************************************
14     *
15     *  Copyright 2000,2001
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 as
27     *     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. Neither the "Broadcom
31     *     Corporation" name nor any trademark or logo of Broadcom
32     *     Corporation may be used to endorse or promote products
33     *     derived from this software without the prior written
34     *     permission of Broadcom Corporation.
35     *
36     *  3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
37     *     IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
38     *     WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
39     *     PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
40     *     SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
41     *     PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
42     *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
43     *     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
44     *     GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
45     *     BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
46     *     OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
47     *     TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
48     *     THE POSSIBILITY OF SUCH DAMAGE.
49     ********************************************************************* */
50 
51 
52 #ifndef _SB1250_L2C_H
53 #define _SB1250_L2C_H
54 
55 #include "sb1250_defs.h"
56 
57 /*
58  * Level 2 Cache Tag register (Table 5-3)
59  */
60 
61 #define S_L2C_TAG_MBZ               0
62 #define M_L2C_TAG_MBZ               _SB_MAKEMASK(5,S_L2C_TAG_MBZ)
63 
64 #define S_L2C_TAG_INDEX             5
65 #define M_L2C_TAG_INDEX             _SB_MAKEMASK(12,S_L2C_TAG_INDEX)
66 #define V_L2C_TAG_INDEX(x)          _SB_MAKEVALUE(x,S_L2C_TAG_INDEX)
67 #define G_L2C_TAG_INDEX(x)          _SB_GETVALUE(x,S_L2C_TAG_INDEX,M_L2C_TAG_INDEX)
68 
69 #define S_L2C_TAG_TAG               17
70 #define M_L2C_TAG_TAG               _SB_MAKEMASK(23,S_L2C_TAG_TAG)
71 #define V_L2C_TAG_TAG(x)            _SB_MAKEVALUE(x,S_L2C_TAG_TAG)
72 #define G_L2C_TAG_TAG(x)            _SB_GETVALUE(x,S_L2C_TAG_TAG,M_L2C_TAG_TAG)
73 
74 #define S_L2C_TAG_ECC               40
75 #define M_L2C_TAG_ECC               _SB_MAKEMASK(6,S_L2C_TAG_ECC)
76 #define V_L2C_TAG_ECC(x)            _SB_MAKEVALUE(x,S_L2C_TAG_ECC)
77 #define G_L2C_TAG_ECC(x)            _SB_GETVALUE(x,S_L2C_TAG_ECC,M_L2C_TAG_ECC)
78 
79 #define S_L2C_TAG_WAY               46
80 #define M_L2C_TAG_WAY               _SB_MAKEMASK(2,S_L2C_TAG_WAY)
81 #define V_L2C_TAG_WAY(x)            _SB_MAKEVALUE(x,S_L2C_TAG_WAY)
82 #define G_L2C_TAG_WAY(x)            _SB_GETVALUE(x,S_L2C_TAG_WAY,M_L2C_TAG_WAY)
83 
84 #define M_L2C_TAG_DIRTY             _SB_MAKEMASK1(48)
85 #define M_L2C_TAG_VALID             _SB_MAKEMASK1(49)
86 
87 /*
88  * Format of level 2 cache management address (table 5-2)
89  */
90 
91 #define S_L2C_MGMT_INDEX            5
92 #define M_L2C_MGMT_INDEX            _SB_MAKEMASK(12,S_L2C_MGMT_INDEX)
93 #define V_L2C_MGMT_INDEX(x)         _SB_MAKEVALUE(x,S_L2C_MGMT_INDEX)
94 #define G_L2C_MGMT_INDEX(x)         _SB_GETVALUE(x,S_L2C_MGMT_INDEX,M_L2C_MGMT_INDEX)
95 
96 #define S_L2C_MGMT_QUADRANT         15
97 #define M_L2C_MGMT_QUADRANT         _SB_MAKEMASK(2,S_L2C_MGMT_QUADRANT)
98 #define V_L2C_MGMT_QUADRANT(x)      _SB_MAKEVALUE(x,S_L2C_MGMT_QUADRANT)
99 #define G_L2C_MGMT_QUADRANT(x)      _SB_GETVALUE(x,S_L2C_MGMT_QUADRANT,M_L2C_MGMT_QUADRANT)
100 
101 #define S_L2C_MGMT_HALF		    16
102 #define M_L2C_MGMT_HALF	            _SB_MAKEMASK(1,S_L2C_MGMT_HALF)
103 
104 #define S_L2C_MGMT_WAY              17
105 #define M_L2C_MGMT_WAY              _SB_MAKEMASK(2,S_L2C_MGMT_WAY)
106 #define V_L2C_MGMT_WAY(x)           _SB_MAKEVALUE(x,S_L2C_MGMT_WAY)
107 #define G_L2C_MGMT_WAY(x)           _SB_GETVALUE(x,S_L2C_MGMT_WAY,M_L2C_MGMT_WAY)
108 
109 #define S_L2C_MGMT_TAG              21
110 #define M_L2C_MGMT_TAG              _SB_MAKEMASK(6,S_L2C_MGMT_TAG)
111 #define V_L2C_MGMT_TAG(x)           _SB_MAKEVALUE(x,S_L2C_MGMT_TAG)
112 #define G_L2C_MGMT_TAG(x)           _SB_GETVALUE(x,S_L2C_MGMT_TAG,M_L2C_MGMT_TAG)
113 
114 #define M_L2C_MGMT_DIRTY            _SB_MAKEMASK1(19)
115 #define M_L2C_MGMT_VALID            _SB_MAKEMASK1(20)
116 
117 #define A_L2C_MGMT_TAG_BASE         0x00D0000000
118 
119 #define L2C_ENTRIES_PER_WAY       4096
120 #define L2C_NUM_WAYS              4
121 
122 
123 #if SIBYTE_HDR_FEATURE(112x, PASS1)
124 /*
125  * L2 Read Misc. register (A_L2_READ_MISC)
126  */
127 #define S_L2C_MISC_NO_WAY		10
128 #define M_L2C_MISC_NO_WAY		_SB_MAKEMASK(4,S_L2C_MISC_NO_WAY)
129 #define V_L2C_MISC_NO_WAY(x)		_SB_MAKEVALUE(x,S_L2C_MISC_NO_WAY)
130 #define G_L2C_MISC_NO_WAY(x)		_SB_GETVALUE(x,S_L2C_MISC_NO_WAY,M_L2C_MISC_NO_WAY)
131 
132 #define M_L2C_MISC_ECC_CLEANUP_DIS	_SB_MAKEMASK1(9)
133 #define M_L2C_MISC_MC_PRIO_LOW		_SB_MAKEMASK1(8)
134 #define M_L2C_MISC_SOFT_DISABLE_T	_SB_MAKEMASK1(7)
135 #define M_L2C_MISC_SOFT_DISABLE_B	_SB_MAKEMASK1(6)
136 #define M_L2C_MISC_SOFT_DISABLE_R	_SB_MAKEMASK1(5)
137 #define M_L2C_MISC_SOFT_DISABLE_L	_SB_MAKEMASK1(4)
138 #define M_L2C_MISC_SCACHE_DISABLE_T	_SB_MAKEMASK1(3)
139 #define M_L2C_MISC_SCACHE_DISABLE_B	_SB_MAKEMASK1(2)
140 #define M_L2C_MISC_SCACHE_DISABLE_R	_SB_MAKEMASK1(1)
141 #define M_L2C_MISC_SCACHE_DISABLE_L	_SB_MAKEMASK1(0)
142 #endif /* 112x PASS1 */
143 
144 
145 #endif
146