xref: /netbsd/sys/arch/mips/sibyte/include/sb1250_l2c.h (revision bf9ec67e)
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:  0.2
10     *
11     *  Author:  Mitch Lichtenberg (mitch@sibyte.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_WAY              17
97 #define	M_L2C_MGMT_WAY              _SB_MAKEMASK(2,S_L2C_MGMT_WAY)
98 #define	V_L2C_MGMT_WAY(x)           _SB_MAKEVALUE(x,S_L2C_MGMT_WAY)
99 #define	G_L2C_MGMT_WAY(x)           _SB_GETVALUE(x,S_L2C_MGMT_WAY,M_L2C_MGMT_WAY)
100 
101 #define	S_L2C_MGMT_TAG              21
102 #define	M_L2C_MGMT_TAG              _SB_MAKEMASK(6,S_L2C_MGMT_TAG)
103 #define	V_L2C_MGMT_TAG(x)           _SB_MAKEVALUE(x,S_L2C_MGMT_TAG)
104 #define	G_L2C_MGMT_TAG(x)           _SB_GETVALUE(x,S_L2C_MGMT_TAG,M_L2C_MGMT_TAG)
105 
106 #define	M_L2C_MGMT_DIRTY            _SB_MAKEMASK1(19)
107 #define	M_L2C_MGMT_VALID            _SB_MAKEMASK1(20)
108 
109 #define	A_L2C_MGMT_TAG_BASE         0x00D0000000
110 
111 #define	L2C_ENTRIES_PER_WAY       4096
112 #define	L2C_NUM_WAYS              4
113 
114 #endif
115