1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
/***********************license start***************
* Author: Cavium Networks
*
* Contact: support@caviumnetworks.com
* This file is part of the OCTEON SDK
*
* Copyright (c) 2003-2008 Cavium Networks
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*
* This file is distributed in the hope that it will be useful, but
* AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
* NONINFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this file; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
* or visit http://www.gnu.org/licenses/.
*
* This file may also be available under a different license from Cavium.
* Contact Cavium Networks for more information
***********************license end**************************************/
/*
* File defining checks for different Octeon features.
*/
#ifndef __OCTEON_FEATURE_H__
#define __OCTEON_FEATURE_H__
#include <asm/octeon/cvmx-mio-defs.h>
#include <asm/octeon/cvmx-rnm-defs.h>
enum octeon_feature {
/* CN68XX uses port kinds for packet interface */
OCTEON_FEATURE_PKND,
/* CN68XX has different fields in word0 - word2 */
OCTEON_FEATURE_CN68XX_WQE,
/*
* Octeon models in the CN5XXX family and higher support
* atomic add instructions to memory (saa/saad).
*/
OCTEON_FEATURE_SAAD,
/* Does this Octeon support the ZIP offload engine? */
OCTEON_FEATURE_ZIP,
/* Does this Octeon support crypto acceleration using COP2? */
OCTEON_FEATURE_CRYPTO,
OCTEON_FEATURE_DORM_CRYPTO,
/* Does this Octeon support PCI express? */
OCTEON_FEATURE_PCIE,
/* Does this Octeon support SRIOs */
OCTEON_FEATURE_SRIO,
/* Does this Octeon support Interlaken */
OCTEON_FEATURE_ILK,
/* Some Octeon models support internal memory for storing
* cryptographic keys */
OCTEON_FEATURE_KEY_MEMORY,
/* Octeon has a LED controller for banks of external LEDs */
OCTEON_FEATURE_LED_CONTROLLER,
/* Octeon has a trace buffer */
OCTEON_FEATURE_TRA,
/* Octeon has a management port */
OCTEON_FEATURE_MGMT_PORT,
/* Octeon has a raid unit */
OCTEON_FEATURE_RAID,
/* Octeon has a builtin USB */
OCTEON_FEATURE_USB,
/* Octeon IPD can run without using work queue entries */
OCTEON_FEATURE_NO_WPTR,
/* Octeon has DFA state machines */
OCTEON_FEATURE_DFA,
/* Octeon MDIO block supports clause 45 transactions for 10
* Gig support */
OCTEON_FEATURE_MDIO_CLAUSE_45,
/*
* CN52XX and CN56XX used a block named NPEI for PCIe
* access. Newer chips replaced this with SLI+DPI.
*/
OCTEON_FEATURE_NPEI,
OCTEON_FEATURE_HFA,
OCTEON_FEATURE_DFM,
OCTEON_FEATURE_CIU2,
OCTEON_MAX_FEATURE
};
/**
* Determine if the current Octeon supports a specific feature. These
* checks have been optimized to be fairly quick, but they should still
* be kept out of fast path code.
*
* @feature: Feature to check for. This should always be a constant so the
* compiler can remove the switch statement through optimization.
*
* Returns Non zero if the feature exists. Zero if the feature does not
* exist.
*/
static inline int octeon_has_feature(enum octeon_feature feature)
{
switch (feature) {
case OCTEON_FEATURE_SAAD:
return !OCTEON_IS_MODEL(OCTEON_CN3XXX);
case OCTEON_FEATURE_DORM_CRYPTO:
if (OCTEON_IS_MODEL(OCTEON_CN6XXX)) {
union cvmx_mio_fus_dat2 fus_2;
fus_2.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT2);
return !fus_2.s.nocrypto && !fus_2.s.nomul && fus_2.s.dorm_crypto;
} else {
return 0;
}
case OCTEON_FEATURE_PCIE:
return OCTEON_IS_MODEL(OCTEON_CN56XX)
|| OCTEON_IS_MODEL(OCTEON_CN52XX)
|| OCTEON_IS_MODEL(OCTEON_CN6XXX);
case OCTEON_FEATURE_SRIO:
return OCTEON_IS_MODEL(OCTEON_CN63XX)
|| OCTEON_IS_MODEL(OCTEON_CN66XX);
case OCTEON_FEATURE_ILK:
return (OCTEON_IS_MODEL(OCTEON_CN68XX));
case OCTEON_FEATURE_KEY_MEMORY:
return OCTEON_IS_MODEL(OCTEON_CN38XX)
|| OCTEON_IS_MODEL(OCTEON_CN58XX)
|| OCTEON_IS_MODEL(OCTEON_CN56XX)
|| OCTEON_IS_MODEL(OCTEON_CN6XXX);
case OCTEON_FEATURE_LED_CONTROLLER:
return OCTEON_IS_MODEL(OCTEON_CN38XX)
|| OCTEON_IS_MODEL(OCTEON_CN58XX)
|| OCTEON_IS_MODEL(OCTEON_CN56XX);
case OCTEON_FEATURE_TRA:
return !(OCTEON_IS_MODEL(OCTEON_CN30XX)
|| OCTEON_IS_MODEL(OCTEON_CN50XX));
case OCTEON_FEATURE_MGMT_PORT:
return OCTEON_IS_MODEL(OCTEON_CN56XX)
|| OCTEON_IS_MODEL(OCTEON_CN52XX)
|| OCTEON_IS_MODEL(OCTEON_CN6XXX);
case OCTEON_FEATURE_RAID:
return OCTEON_IS_MODEL(OCTEON_CN56XX)
|| OCTEON_IS_MODEL(OCTEON_CN52XX)
|| OCTEON_IS_MODEL(OCTEON_CN6XXX);
case OCTEON_FEATURE_USB:
return !(OCTEON_IS_MODEL(OCTEON_CN38XX)
|| OCTEON_IS_MODEL(OCTEON_CN58XX));
case OCTEON_FEATURE_NO_WPTR:
return (OCTEON_IS_MODEL(OCTEON_CN56XX)
|| OCTEON_IS_MODEL(OCTEON_CN52XX)
|| OCTEON_IS_MODEL(OCTEON_CN6XXX))
&& !OCTEON_IS_MODEL(OCTEON_CN56XX_PASS1_X)
&& !OCTEON_IS_MODEL(OCTEON_CN52XX_PASS1_X);
case OCTEON_FEATURE_MDIO_CLAUSE_45:
return !(OCTEON_IS_MODEL(OCTEON_CN3XXX)
|| OCTEON_IS_MODEL(OCTEON_CN58XX)
|| OCTEON_IS_MODEL(OCTEON_CN50XX));
case OCTEON_FEATURE_NPEI:
return OCTEON_IS_MODEL(OCTEON_CN56XX)
|| OCTEON_IS_MODEL(OCTEON_CN52XX);
case OCTEON_FEATURE_PKND:
return OCTEON_IS_MODEL(OCTEON_CN68XX);
case OCTEON_FEATURE_CN68XX_WQE:
return OCTEON_IS_MODEL(OCTEON_CN68XX);
case OCTEON_FEATURE_CIU2:
return OCTEON_IS_MODEL(OCTEON_CN68XX);
default:
break;
}
return 0;
}
#endif /* __OCTEON_FEATURE_H__ */
|
