- prepare OpenOCD for branching, created ./trunk/
[fw/openocd] / src / flash / flash.h
1 /***************************************************************************
2  *   Copyright (C) 2005 by Dominic Rath                                    *
3  *   Dominic.Rath@gmx.de                                                   *
4  *                                                                         *
5  *   This program is free software; you can redistribute it and/or modify  *
6  *   it under the terms of the GNU General Public License as published by  *
7  *   the Free Software Foundation; either version 2 of the License, or     *
8  *   (at your option) any later version.                                   *
9  *                                                                         *
10  *   This program is distributed in the hope that it will be useful,       *
11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
13  *   GNU General Public License for more details.                          *
14  *                                                                         *
15  *   You should have received a copy of the GNU General Public License     *
16  *   along with this program; if not, write to the                         *
17  *   Free Software Foundation, Inc.,                                       *
18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
19  ***************************************************************************/
20 #ifndef FLASH_H
21 #define FLASH_H
22
23 #include "target.h"
24
25 typedef struct flash_sector_s
26 {
27         u32 offset;
28         u32 size;
29         int is_erased;
30         int is_protected;
31 } flash_sector_t;
32
33 struct flash_bank_s;
34
35 typedef struct flash_driver_s
36 {
37         char *name;
38         int (*register_commands)(struct command_context_s *cmd_ctx);
39         int (*flash_bank_command)(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
40         int (*erase)(struct flash_bank_s *bank, int first, int last);
41         int (*protect)(struct flash_bank_s *bank, int set, int first, int last);
42         int (*write)(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
43         int (*probe)(struct flash_bank_s *bank);
44         int (*erase_check)(struct flash_bank_s *bank);
45         int (*protect_check)(struct flash_bank_s *bank);
46         int (*info)(struct flash_bank_s *bank, char *buf, int buf_size);
47 } flash_driver_t;
48
49 typedef struct flash_bank_s
50 {
51         flash_driver_t *driver;
52         void *driver_priv;
53         u32 base;
54         u32 size;
55         int chip_width;
56         int bus_width;
57         int num_sectors;
58         flash_sector_t *sectors;
59         struct flash_bank_s *next;
60 } flash_bank_t;
61
62 extern int flash_register_commands(struct command_context_s *cmd_ctx);
63 extern int flash_init(struct command_context_s *cmd_ctx);
64
65 extern flash_bank_t *get_flash_bank_by_num(int num);
66
67 #define         ERROR_FLASH_BANK_INVALID                (-900)
68 #define         ERROR_FLASH_SECTOR_INVALID              (-901)
69 #define         ERROR_FLASH_OPERATION_FAILED    (-902)
70 #define         ERROR_FLASH_DST_OUT_OF_BANK             (-903)
71 #define         ERROR_FLASH_DST_BREAKS_ALIGNMENT (-904)
72 #define         ERROR_FLASH_BUSY                                (-905)
73 #define         ERROR_FLASH_SECTOR_NOT_ERASED   (-906)
74 #define         ERROR_FLASH_BANK_NOT_PROBED             (-907)
75
76 #endif /* FLASH_H */