xref: /linux/drivers/mtd/devices/serial_flash_cmds.h (revision 96ac6d435100450f0565708d9b885ea2a7400e0a)
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_WRVCR		0x81
17 #define SPINOR_OP_RDVCR		0x85
18 
19 /* JEDEC Standard - Serial Flash Discoverable Parmeters (SFDP) Commands */
20 #define SPINOR_OP_WRITE		0x02	/* PAGE PROGRAM */
21 #define SPINOR_OP_WRITE_1_1_2	0xa2	/* DUAL INPUT PROGRAM */
22 #define SPINOR_OP_WRITE_1_2_2	0xd2	/* DUAL INPUT EXT PROGRAM */
23 #define SPINOR_OP_WRITE_1_1_4	0x32	/* QUAD INPUT PROGRAM */
24 #define SPINOR_OP_WRITE_1_4_4	0x12	/* QUAD INPUT EXT PROGRAM */
25 
26 /* Configuration flags */
27 #define FLASH_FLAG_SINGLE	0x000000ff
28 #define FLASH_FLAG_READ_WRITE	0x00000001
29 #define FLASH_FLAG_READ_FAST	0x00000002
30 #define FLASH_FLAG_SE_4K	0x00000004
31 #define FLASH_FLAG_SE_32K	0x00000008
32 #define FLASH_FLAG_CE		0x00000010
33 #define FLASH_FLAG_32BIT_ADDR	0x00000020
34 #define FLASH_FLAG_RESET	0x00000040
35 #define FLASH_FLAG_DYB_LOCKING	0x00000080
36 
37 #define FLASH_FLAG_DUAL		0x0000ff00
38 #define FLASH_FLAG_READ_1_1_2	0x00000100
39 #define FLASH_FLAG_READ_1_2_2	0x00000200
40 #define FLASH_FLAG_READ_2_2_2	0x00000400
41 #define FLASH_FLAG_WRITE_1_1_2	0x00001000
42 #define FLASH_FLAG_WRITE_1_2_2	0x00002000
43 #define FLASH_FLAG_WRITE_2_2_2	0x00004000
44 
45 #define FLASH_FLAG_QUAD		0x00ff0000
46 #define FLASH_FLAG_READ_1_1_4	0x00010000
47 #define FLASH_FLAG_READ_1_4_4	0x00020000
48 #define FLASH_FLAG_READ_4_4_4	0x00040000
49 #define FLASH_FLAG_WRITE_1_1_4	0x00100000
50 #define FLASH_FLAG_WRITE_1_4_4	0x00200000
51 #define FLASH_FLAG_WRITE_4_4_4	0x00400000
52 
53 #endif /* _MTD_SERIAL_FLASH_CMDS_H */
54