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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/arch/mips/include/asm/sibyte/
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 "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