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 <asm/sibyte/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
132