src/flash/flash.h

   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
   6  *   oyvind.harboe@zylin.com                                               *
   7  *                                                                         *
   8  *   Copyright (C) 2008 by Spencer Oliver                                  *
   9  *   spen@spen-soft.co.uk                                                  *
  10  *                                                                         *
  11  *   This program is free software; you can redistribute it and/or modify  *
  12  *   it under the terms of the GNU General Public License as published by  *
  13  *   the Free Software Foundation; either version 2 of the License, or     *
  14  *   (at your option) any later version.                                   *
  15  *                                                                         *
  16  *   This program is distributed in the hope that it will be useful,       *
  17  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  18  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  19  *   GNU General Public License for more details.                          *
  20  *                                                                         *
  21  *   You should have received a copy of the GNU General Public License     *
  22  *   along with this program; if not, write to the                         *
  23  *   Free Software Foundation, Inc.,                                       *
  24  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  25  ***************************************************************************/
  26 #ifndef FLASH_H
  27 #define FLASH_H
  28
  29 #include "target.h"
  30 #include "image.h"
  31
  32 #define FLASH_MAX_ERROR_STR     (128)
  33
  34 typedef struct flash_sector_s
  35 {
  36         u32 offset;
  37         u32 size;
  38         int is_erased;
  39         int is_protected;
  40 } flash_sector_t;
  41
  42 struct flash_bank_s;
  43
  44 typedef struct flash_driver_s
  45 {
  46         char *name;
  47         int (*register_commands)(struct command_context_s *cmd_ctx);
  48         int (*flash_bank_command)(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
  49
  50         /* use flash_driver_erase() wrapper to invoke */
  51         int (*erase)(struct flash_bank_s *bank, int first, int last);
  52
  53         /* use flash_driver_protect() wrapper to invoke */
  54         int (*protect)(struct flash_bank_s *bank, int set, int first, int last);
  55
  56         /* use the flash_driver_write() wrapper to invoke. */
  57         int (*write)(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
  58
  59         int (*probe)(struct flash_bank_s *bank);
  60         int (*erase_check)(struct flash_bank_s *bank);
  61         int (*protect_check)(struct flash_bank_s *bank);
  62         int (*info)(struct flash_bank_s *bank, char *buf, int buf_size);
  63         int (*auto_probe)(struct flash_bank_s *bank);
  64 } flash_driver_t;
  65
  66 typedef struct flash_bank_s
  67 {
  68         target_t *target;
  69         flash_driver_t *driver;
  70         void *driver_priv;
  71         int bank_number;
  72         u32 base;
  73         u32 size;
  74         int chip_width;
  75         int bus_width;
  76         int num_sectors;
  77         flash_sector_t *sectors;
  78         struct flash_bank_s *next;
  79 } flash_bank_t;
  80
  81 extern int flash_register_commands(struct command_context_s *cmd_ctx);
  82 extern int flash_init_drivers(struct command_context_s *cmd_ctx);
  83
  84 extern int flash_erase_address_range(target_t *target, u32 addr, u32 length);
  85 extern int flash_write(target_t *target, image_t *image, u32 *written, int erase);
  86 extern void flash_set_dirty(void);
  87 extern int flash_get_bank_count(void);
  88 extern int default_flash_blank_check(struct flash_bank_s *bank);
  89 extern int default_flash_mem_blank_check(struct flash_bank_s *bank);
  90
  91 extern flash_bank_t *get_flash_bank_by_num(int num);
  92 extern flash_bank_t *get_flash_bank_by_num_noprobe(int num);
  93 extern flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr);
  94
  95 #define ERROR_FLASH_BANK_INVALID                        (-900)
  96 #define ERROR_FLASH_SECTOR_INVALID                      (-901)
  97 #define ERROR_FLASH_OPERATION_FAILED            (-902)
  98 #define ERROR_FLASH_DST_OUT_OF_BANK                     (-903)
  99 #define ERROR_FLASH_DST_BREAKS_ALIGNMENT        (-904)
 100 #define ERROR_FLASH_BUSY                                        (-905)
 101 #define ERROR_FLASH_SECTOR_NOT_ERASED           (-906)
 102 #define ERROR_FLASH_BANK_NOT_PROBED                     (-907)
 103
 104 #endif /* FLASH_H */