]> git.ipfire.org Git - people/ms/u-boot.git/blame - include/nand.h
rename CFG_ macros to CONFIG_SYS
[people/ms/u-boot.git] / include / nand.h
CommitLineData
932394ac
WD
1/*
2 * (C) Copyright 2005
3 * 2N Telekomunikace, a.s. <www.2n.cz>
4 * Ladislav Michl <michl@2n.cz>
5 *
6 * See file CREDITS for list of people who contributed to this
7 * project.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * version 2 as published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#ifndef _NAND_H_
25#define _NAND_H_
26
9d2e3947
SW
27extern void nand_init(void);
28
cc4a0cee 29#ifndef CONFIG_NAND_LEGACY
ac7eb8a3 30#include <linux/mtd/compat.h>
932394ac
WD
31#include <linux/mtd/mtd.h>
32#include <linux/mtd/nand.h>
33
34typedef struct mtd_info nand_info_t;
35
36extern int nand_curr_device;
37extern nand_info_t nand_info[];
38
4ca79f47 39static inline int nand_read(nand_info_t *info, off_t ofs, size_t *len, u_char *buf)
932394ac 40{
038ccac5 41 return info->read(info, ofs, *len, (size_t *)len, buf);
932394ac
WD
42}
43
4ca79f47 44static inline int nand_write(nand_info_t *info, off_t ofs, size_t *len, u_char *buf)
932394ac 45{
038ccac5 46 return info->write(info, ofs, *len, (size_t *)len, buf);
932394ac
WD
47}
48
4ca79f47 49static inline int nand_block_isbad(nand_info_t *info, off_t ofs)
932394ac
WD
50{
51 return info->block_isbad(info, ofs);
52}
53
4ca79f47 54static inline int nand_erase(nand_info_t *info, off_t off, size_t size)
932394ac 55{
8e9655f8
WD
56 struct erase_info instr;
57
58 instr.mtd = info;
59 instr.addr = off;
60 instr.len = size;
61 instr.callback = 0;
62
63 return info->erase(info, &instr);
932394ac
WD
64}
65
2255b2d2
SR
66
67/*****************************************************************************
68 * declarations from nand_util.c
69 ****************************************************************************/
70
71struct nand_write_options {
72 u_char *buffer; /* memory block containing image to write */
73 ulong length; /* number of bytes to write */
74 ulong offset; /* start address in NAND */
75 int quiet; /* don't display progress messages */
76 int autoplace; /* if true use auto oob layout */
77 int forcejffs2; /* force jffs2 oob layout */
78 int forceyaffs; /* force yaffs oob layout */
79 int noecc; /* write without ecc */
80 int writeoob; /* image contains oob data */
81 int pad; /* pad to page size */
82 int blockalign; /* 1|2|4 set multiple of eraseblocks
83 * to align to */
84};
85
86typedef struct nand_write_options nand_write_options_t;
cfa460ad 87typedef struct mtd_oob_ops mtd_oob_ops_t;
2255b2d2
SR
88
89struct nand_read_options {
90 u_char *buffer; /* memory block in which read image is written*/
91 ulong length; /* number of bytes to read */
92 ulong offset; /* start address in NAND */
93 int quiet; /* don't display progress messages */
94 int readoob; /* put oob data in image */
95};
96
97typedef struct nand_read_options nand_read_options_t;
98
99struct nand_erase_options {
100 ulong length; /* number of bytes to erase */
101 ulong offset; /* first address in NAND to erase */
102 int quiet; /* don't display progress messages */
103 int jffs2; /* if true: format for jffs2 usage
104 * (write appropriate cleanmarker blocks) */
105 int scrub; /* if true, really clean NAND by erasing
106 * bad blocks (UNSAFE) */
107};
108
109typedef struct nand_erase_options nand_erase_options_t;
110
dfbf617f 111int nand_read_skip_bad(nand_info_t *nand, size_t offset, size_t *length,
4b070809 112 u_char *buffer);
dfbf617f 113int nand_write_skip_bad(nand_info_t *nand, size_t offset, size_t *length,
4b070809 114 u_char *buffer);
2255b2d2
SR
115int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts);
116
117#define NAND_LOCK_STATUS_TIGHT 0x01
118#define NAND_LOCK_STATUS_LOCK 0x02
119#define NAND_LOCK_STATUS_UNLOCK 0x04
120
121int nand_lock( nand_info_t *meminfo, int tight );
122int nand_unlock( nand_info_t *meminfo, ulong start, ulong length );
123int nand_get_lock_status(nand_info_t *meminfo, ulong offset);
124
6d0f6bcf 125#ifdef CONFIG_SYS_NAND_SELECT_DEVICE
43a2b0e7
SR
126void board_nand_select_device(struct nand_chip *nand, int chip);
127#endif
128
e4c09508
SW
129__attribute__((noreturn)) void nand_boot(void);
130
cc4a0cee 131#endif /* !CONFIG_NAND_LEGACY */
932394ac 132#endif