xref: /linux/drivers/mtd/devices/serial_flash_cmds.h (revision 3932b9ca55b0be314a36d3e84faff3e823c081f5)
1 /*
2  * Generic/SFDP Flash Commands and Device Capabilities
3  *
4  * Copyright (C) 2013 Lee Jones <lee.jones@lianro.org>
5  *
6  * This code is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  *
10  */
11 
12 #ifndef _MTD_SERIAL_FLASH_CMDS_H
13 #define _MTD_SERIAL_FLASH_CMDS_H
14 
15 /* Generic Flash Commands/OPCODEs */
16 #define SPINOR_OP_RDSR2		0x35
17 #define SPINOR_OP_WRVCR		0x81
18 #define SPINOR_OP_RDVCR		0x85
19 
20 /* JEDEC Standard - Serial Flash Discoverable Parmeters (SFDP) Commands */
21 #define SPINOR_OP_READ_1_2_2	0xbb	/* DUAL I/O READ */
22 #define SPINOR_OP_READ_1_4_4	0xeb	/* QUAD I/O READ */
23 
24 #define SPINOR_OP_WRITE		0x02	/* PAGE PROGRAM */
25 #define SPINOR_OP_WRITE_1_1_2	0xa2	/* DUAL INPUT PROGRAM */
26 #define SPINOR_OP_WRITE_1_2_2	0xd2	/* DUAL INPUT EXT PROGRAM */
27 #define SPINOR_OP_WRITE_1_1_4	0x32	/* QUAD INPUT PROGRAM */
28 #define SPINOR_OP_WRITE_1_4_4	0x12	/* QUAD INPUT EXT PROGRAM */
29 
30 /* READ commands with 32-bit addressing */
31 #define SPINOR_OP_READ4_1_2_2	0xbc
32 #define SPINOR_OP_READ4_1_4_4	0xec
33 
34 /* Configuration flags */
35 #define FLASH_FLAG_SINGLE	0x000000ff
36 #define FLASH_FLAG_READ_WRITE	0x00000001
37 #define FLASH_FLAG_READ_FAST	0x00000002
38 #define FLASH_FLAG_SE_4K	0x00000004
39 #define FLASH_FLAG_SE_32K	0x00000008
40 #define FLASH_FLAG_CE		0x00000010
41 #define FLASH_FLAG_32BIT_ADDR	0x00000020
42 #define FLASH_FLAG_RESET	0x00000040
43 #define FLASH_FLAG_DYB_LOCKING	0x00000080
44 
45 #define FLASH_FLAG_DUAL		0x0000ff00
46 #define FLASH_FLAG_READ_1_1_2	0x00000100
47 #define FLASH_FLAG_READ_1_2_2	0x00000200
48 #define FLASH_FLAG_READ_2_2_2	0x00000400
49 #define FLASH_FLAG_WRITE_1_1_2	0x00001000
50 #define FLASH_FLAG_WRITE_1_2_2	0x00002000
51 #define FLASH_FLAG_WRITE_2_2_2	0x00004000
52 
53 #define FLASH_FLAG_QUAD		0x00ff0000
54 #define FLASH_FLAG_READ_1_1_4	0x00010000
55 #define FLASH_FLAG_READ_1_4_4	0x00020000
56 #define FLASH_FLAG_READ_4_4_4	0x00040000
57 #define FLASH_FLAG_WRITE_1_1_4	0x00100000
58 #define FLASH_FLAG_WRITE_1_4_4	0x00200000
59 #define FLASH_FLAG_WRITE_4_4_4	0x00400000
60 
61 #endif /* _MTD_SERIAL_FLASH_CMDS_H */
62