contrib/loaders/flash/at91sam7x/samflash.h

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by Pavel Chromy                                    *
   3  *   chromy@asix.cz                                                        *
   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, see <http://www.gnu.org/licenses/>. *
  17  ***************************************************************************/
  18 #ifndef samflashH
  19 #define samflashH
  20
  21 #include "platform.h"
  22
  23 #define FLASH_AREA_ADDR 0x100000
  24
  25 #define FLASH_STAT_OK 0
  26 #define FLASH_STAT_PROGE 1
  27 #define FLASH_STAT_LOCKE 2
  28 #define FLASH_STAT_VERIFE 3
  29 #define FLASH_STAT_INITE 4
  30
  31 extern unsigned int flash_page_count;
  32 extern unsigned int flash_page_size; /* words */
  33
  34 /* detect chip and set loader parameters */
  35 int flash_init(void);
  36
  37 /* program single flash page */
  38 int flash_page_program(uint32 *data, int page_num);
  39
  40 /* erase whole chip */
  41 int flash_erase_all(void);
  42
  43 /* verify written data */
  44 int flash_verify(uint32 adr, unsigned int len, uint8 *src);
  45
  46 #endif