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sb1250_l2c.h
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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