1/****************************************************************************
2 ****************************************************************************
3 ***
4 ***   This header was automatically generated from a Linux kernel header
5 ***   of the same name, to make information necessary for userspace to
6 ***   call into the kernel available to libc.  It contains only constants,
7 ***   structures, and macros generated from the original header, and thus,
8 ***   contains no copyrightable information.
9 ***
10 ****************************************************************************
11 ****************************************************************************/
12#ifndef __LINUX_MTD_BBM_H
13#define __LINUX_MTD_BBM_H
14
15#define NAND_MAX_CHIPS 8
16
17struct nand_bbt_descr {
18 int options;
19 int pages[NAND_MAX_CHIPS];
20 int offs;
21 int veroffs;
22 uint8_t version[NAND_MAX_CHIPS];
23 int len;
24 int maxblocks;
25 int reserved_block_code;
26 uint8_t *pattern;
27};
28
29#define NAND_BBT_NRBITS_MSK 0x0000000F
30#define NAND_BBT_1BIT 0x00000001
31#define NAND_BBT_2BIT 0x00000002
32#define NAND_BBT_4BIT 0x00000004
33#define NAND_BBT_8BIT 0x00000008
34
35#define NAND_BBT_LASTBLOCK 0x00000010
36
37#define NAND_BBT_ABSPAGE 0x00000020
38
39#define NAND_BBT_SEARCH 0x00000040
40
41#define NAND_BBT_PERCHIP 0x00000080
42
43#define NAND_BBT_VERSION 0x00000100
44
45#define NAND_BBT_CREATE 0x00000200
46
47#define NAND_BBT_SCANALLPAGES 0x00000400
48
49#define NAND_BBT_SCANEMPTY 0x00000800
50
51#define NAND_BBT_WRITE 0x00001000
52
53#define NAND_BBT_SAVECONTENT 0x00002000
54
55#define NAND_BBT_SCAN2NDPAGE 0x00004000
56
57#define NAND_BBT_SCAN_MAXBLOCKS 4
58
59#define ONENAND_BADBLOCK_POS 0
60
61struct bbm_info {
62 int bbt_erase_shift;
63 int badblockpos;
64 int options;
65
66 uint8_t *bbt;
67
68 int (*isbad_bbt)(struct mtd_info *mtd, loff_t ofs, int allowbbt);
69
70 struct nand_bbt_descr *badblock_pattern;
71
72 void *priv;
73};
74
75#endif
76