tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
fork
Configure Feed
Select the types of activity you want to include in your feed.
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 FLASH_CMD_WREN 0x06
17#define FLASH_CMD_WRDI 0x04
18#define FLASH_CMD_RDID 0x9f
19#define FLASH_CMD_RDSR 0x05
20#define FLASH_CMD_RDSR2 0x35
21#define FLASH_CMD_WRSR 0x01
22#define FLASH_CMD_SE_4K 0x20
23#define FLASH_CMD_SE_32K 0x52
24#define FLASH_CMD_SE 0xd8
25#define FLASH_CMD_CHIPERASE 0xc7
26#define FLASH_CMD_WRVCR 0x81
27#define FLASH_CMD_RDVCR 0x85
28
29/* JEDEC Standard - Serial Flash Discoverable Parmeters (SFDP) Commands */
30#define FLASH_CMD_READ 0x03 /* READ */
31#define FLASH_CMD_READ_FAST 0x0b /* FAST READ */
32#define FLASH_CMD_READ_1_1_2 0x3b /* DUAL OUTPUT READ */
33#define FLASH_CMD_READ_1_2_2 0xbb /* DUAL I/O READ */
34#define FLASH_CMD_READ_1_1_4 0x6b /* QUAD OUTPUT READ */
35#define FLASH_CMD_READ_1_4_4 0xeb /* QUAD I/O READ */
36
37#define FLASH_CMD_WRITE 0x02 /* PAGE PROGRAM */
38#define FLASH_CMD_WRITE_1_1_2 0xa2 /* DUAL INPUT PROGRAM */
39#define FLASH_CMD_WRITE_1_2_2 0xd2 /* DUAL INPUT EXT PROGRAM */
40#define FLASH_CMD_WRITE_1_1_4 0x32 /* QUAD INPUT PROGRAM */
41#define FLASH_CMD_WRITE_1_4_4 0x12 /* QUAD INPUT EXT PROGRAM */
42
43#define FLASH_CMD_EN4B_ADDR 0xb7 /* Enter 4-byte address mode */
44#define FLASH_CMD_EX4B_ADDR 0xe9 /* Exit 4-byte address mode */
45
46/* READ commands with 32-bit addressing */
47#define FLASH_CMD_READ4 0x13
48#define FLASH_CMD_READ4_FAST 0x0c
49#define FLASH_CMD_READ4_1_1_2 0x3c
50#define FLASH_CMD_READ4_1_2_2 0xbc
51#define FLASH_CMD_READ4_1_1_4 0x6c
52#define FLASH_CMD_READ4_1_4_4 0xec
53
54/* Configuration flags */
55#define FLASH_FLAG_SINGLE 0x000000ff
56#define FLASH_FLAG_READ_WRITE 0x00000001
57#define FLASH_FLAG_READ_FAST 0x00000002
58#define FLASH_FLAG_SE_4K 0x00000004
59#define FLASH_FLAG_SE_32K 0x00000008
60#define FLASH_FLAG_CE 0x00000010
61#define FLASH_FLAG_32BIT_ADDR 0x00000020
62#define FLASH_FLAG_RESET 0x00000040
63#define FLASH_FLAG_DYB_LOCKING 0x00000080
64
65#define FLASH_FLAG_DUAL 0x0000ff00
66#define FLASH_FLAG_READ_1_1_2 0x00000100
67#define FLASH_FLAG_READ_1_2_2 0x00000200
68#define FLASH_FLAG_READ_2_2_2 0x00000400
69#define FLASH_FLAG_WRITE_1_1_2 0x00001000
70#define FLASH_FLAG_WRITE_1_2_2 0x00002000
71#define FLASH_FLAG_WRITE_2_2_2 0x00004000
72
73#define FLASH_FLAG_QUAD 0x00ff0000
74#define FLASH_FLAG_READ_1_1_4 0x00010000
75#define FLASH_FLAG_READ_1_4_4 0x00020000
76#define FLASH_FLAG_READ_4_4_4 0x00040000
77#define FLASH_FLAG_WRITE_1_1_4 0x00100000
78#define FLASH_FLAG_WRITE_1_4_4 0x00200000
79#define FLASH_FLAG_WRITE_4_4_4 0x00400000
80
81#endif /* _MTD_SERIAL_FLASH_CMDS_H */