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
|
/***********************license start***************
* Copyright (c) 2003-2010 Cavium Networks (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 Networks 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 NETWORKS 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
*
* This file provides bootbus flash operations
*
* <hr>$Revision: 49448 $<hr>
*
*
*/
#ifndef __CVMX_FLASH_H__
#define __CVMX_FLASH_H__
#ifdef __cplusplus
extern "C" {
#endif
typedef struct
{
int start_offset;
int block_size;
int num_blocks;
} cvmx_flash_region_t;
/**
* Initialize the flash access library
*/
void cvmx_flash_initialize(void);
/**
* Return a pointer to the flash chip
*
* @param chip_id Chip ID to return
* @return NULL if the chip doesn't exist
*/
void *cvmx_flash_get_base(int chip_id);
/**
* Return the number of erasable regions on the chip
*
* @param chip_id Chip to return info for
* @return Number of regions
*/
int cvmx_flash_get_num_regions(int chip_id);
/**
* Return information about a flash chips region
*
* @param chip_id Chip to get info for
* @param region Region to get info for
* @return Region information
*/
const cvmx_flash_region_t *cvmx_flash_get_region_info(int chip_id, int region);
/**
* Erase a block on the flash chip
*
* @param chip_id Chip to erase a block on
* @param region Region to erase a block in
* @param block Block number to erase
* @return Zero on success. Negative on failure
*/
int cvmx_flash_erase_block(int chip_id, int region, int block);
/**
* Write a block on the flash chip
*
* @param chip_id Chip to write a block on
* @param region Region to write a block in
* @param block Block number to write
* @param data Data to write
* @return Zero on success. Negative on failure
*/
int cvmx_flash_write_block(int chip_id, int region, int block, const void *data);
/**
* Erase and write data to a flash
*
* @param address Memory address to write to
* @param data Data to write
* @param len Length of the data
* @return Zero on success. Negative on failure
*/
int cvmx_flash_write(void *address, const void *data, int len);
#ifdef __cplusplus
}
#endif
#endif /* __CVMX_FLASH_H__ */
|