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
|
/***********************license start***********************************
* Copyright (c) 2003-2017 Cavium Inc. (support@cavium.com). All rights
* reserved.
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* * Neither the name of Cavium Inc. nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* This Software, including technical data, may be subject to U.S. export
* control laws, including the U.S. Export Administration Act and its
* associated regulations, and may be subject to export or import
* regulations in other countries.
*
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT
* TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
* REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
* DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES
* OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
* PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT,
* QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK
* ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
***********************license end**************************************/
/**
* @file
*
* Functions for reading Cavium chip fuses.
*
* <hr>$Revision: 49448 $<hr>
*/
/**
* Read a single fuse bit
*
* @param fuse Fuse number (0-1024)
*
* @return fuse value: 0 or 1
*/
extern int bdk_fuse_read(bdk_node_t node, int fuse);
/**
* Read a range of fuses
*
* @param node Node to read from
* @param fuse Fuse number
* @param width Number of fuses to read, max of 64
*
* @return Fuse value
*/
extern uint64_t bdk_fuse_read_range(bdk_node_t node, int fuse, int width);
/**
* Soft blow a fuse. Soft blown fuses keep there new value over soft resets, but
* not power cycles.
*
* @param node Node to blow
* @param fuse Fuse to blow
*
* @return Zero on success, negative on failure
*/
extern int bdk_fuse_soft_blow(bdk_node_t node, int fuse);
/**
* Read a single fuse bit from the field set (FUSF)
*
* @param fuse Fuse number (0-1024)
*
* @return fuse value: 0 or 1
*/
extern int bdk_fuse_field_read(bdk_node_t node, int fuse);
/**
* Soft blow a fuse in the field set (FUSF). Soft blown fuses
* keep there new value over soft resets, but not power cycles.
*
* @param node Node to blow
* @param fuse Fuse to blow
*
* @return Zero on success, negative on failure
*/
extern int bdk_fuse_field_soft_blow(bdk_node_t node, int fuse);
/**
* Hard blow fuses in the field set (FUSF). Up to 128 fuses in a bank
* are blown at the same time
*
* @param node Node to blow
* @param start_fuse First fuses to blow. Must be on a 128 bit boundary.
* This fuse is blown to match the LSB of fuse 0.
* @param fuses0 First 64 fuse values. Bits with a 1 are blown. LSB
* of fuses0 maps to start_fuse. MSB of fuses0 maps to
* (start_fuse + 63).
* @param fuses1 Second 64 fuse values. Bits with a 1 are blown. LSB
* of fuses1 maps to (start_fuse + 64). MSB of fuses1
* maps to (start_fuse + 127).
*
* @return Zero on success, negative on failure
*/
extern int bdk_fuse_field_hard_blow(bdk_node_t node, int start_fuse, uint64_t fuses0, uint64_t fuses1);
|
