File: spi.h

package info (click to toggle)
flashrom 0.9.2+r1141-2
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 1,536 kB
  • ctags: 1,827
  • sloc: ansic: 20,878; makefile: 322
file content (128 lines) | stat: -rw-r--r-- 3,645 bytes parent folder | download
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
/*
 * This file is part of the flashrom project.
 *
 * Copyright (C) 2007, 2008 Carl-Daniel Hailfinger
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#ifndef __SPI_H__
#define __SPI_H__ 1

/*
 * Contains the generic SPI headers
 */

/* Read Electronic ID */
#define JEDEC_RDID		0x9f
#define JEDEC_RDID_OUTSIZE	0x01
/* INSIZE may be 0x04 for some chips*/
#define JEDEC_RDID_INSIZE	0x03

/* AT25F512A has bit 3 as don't care bit in commands */
#define AT25F512A_RDID		0x15	/* 0x15 or 0x1d */
#define AT25F512A_RDID_OUTSIZE	0x01
#define AT25F512A_RDID_INSIZE	0x02

/* Read Electronic Manufacturer Signature */
#define JEDEC_REMS		0x90
#define JEDEC_REMS_OUTSIZE	0x04
#define JEDEC_REMS_INSIZE	0x02

/* Read Electronic Signature */
#define JEDEC_RES		0xab
#define JEDEC_RES_OUTSIZE	0x04
/* INSIZE may be 0x02 for some chips*/
#define JEDEC_RES_INSIZE	0x01

/* Write Enable */
#define JEDEC_WREN		0x06
#define JEDEC_WREN_OUTSIZE	0x01
#define JEDEC_WREN_INSIZE	0x00

/* Write Disable */
#define JEDEC_WRDI		0x04
#define JEDEC_WRDI_OUTSIZE	0x01
#define JEDEC_WRDI_INSIZE	0x00

/* Chip Erase 0x60 is supported by Macronix/SST chips. */
#define JEDEC_CE_60		0x60
#define JEDEC_CE_60_OUTSIZE	0x01
#define JEDEC_CE_60_INSIZE	0x00

/* Chip Erase 0xc7 is supported by SST/ST/EON/Macronix chips. */
#define JEDEC_CE_C7		0xc7
#define JEDEC_CE_C7_OUTSIZE	0x01
#define JEDEC_CE_C7_INSIZE	0x00

/* Block Erase 0x52 is supported by SST and old Atmel chips. */
#define JEDEC_BE_52		0x52
#define JEDEC_BE_52_OUTSIZE	0x04
#define JEDEC_BE_52_INSIZE	0x00

/* Block Erase 0xd8 is supported by EON/Macronix chips. */
#define JEDEC_BE_D8		0xd8
#define JEDEC_BE_D8_OUTSIZE	0x04
#define JEDEC_BE_D8_INSIZE	0x00

/* Block Erase 0xd7 is supported by PMC chips. */
#define JEDEC_BE_D7		0xd7
#define JEDEC_BE_D7_OUTSIZE	0x04
#define JEDEC_BE_D7_INSIZE	0x00

/* Sector Erase 0x20 is supported by Macronix/SST chips. */
#define JEDEC_SE		0x20
#define JEDEC_SE_OUTSIZE	0x04
#define JEDEC_SE_INSIZE		0x00

/* Read Status Register */
#define JEDEC_RDSR		0x05
#define JEDEC_RDSR_OUTSIZE	0x01
#define JEDEC_RDSR_INSIZE	0x01
#define JEDEC_RDSR_BIT_WIP	(0x01 << 0)

/* Write Status Enable */
#define JEDEC_EWSR		0x50
#define JEDEC_EWSR_OUTSIZE	0x01
#define JEDEC_EWSR_INSIZE	0x00

/* Write Status Register */
#define JEDEC_WRSR		0x01
#define JEDEC_WRSR_OUTSIZE	0x02
#define JEDEC_WRSR_INSIZE	0x00

/* Read the memory */
#define JEDEC_READ		0x03
#define JEDEC_READ_OUTSIZE	0x04
/*      JEDEC_READ_INSIZE : any length */

/* Write memory byte */
#define JEDEC_BYTE_PROGRAM		0x02
#define JEDEC_BYTE_PROGRAM_OUTSIZE	0x05
#define JEDEC_BYTE_PROGRAM_INSIZE	0x00

/* Write AAI word (SST25VF080B) */
#define JEDEC_AAI_WORD_PROGRAM			0xad
#define JEDEC_AAI_WORD_PROGRAM_OUTSIZE		0x06
#define JEDEC_AAI_WORD_PROGRAM_CONT_OUTSIZE	0x03
#define JEDEC_AAI_WORD_PROGRAM_INSIZE		0x00

/* Error codes */
#define SPI_GENERIC_ERROR	-1
#define SPI_INVALID_OPCODE	-2
#define SPI_INVALID_ADDRESS	-3
#define SPI_INVALID_LENGTH	-4
#define SPI_FLASHROM_BUG	-5

#endif		/* !__SPI_H__ */