git.sur5r.net Git - openocd/blob - src/flash/stm32x.h

   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2008 by Spencer Oliver                                  *
   6  *   spen@spen-soft.co.uk                                                  *
   7  *                                                                         *
   8  *   This program is free software; you can redistribute it and/or modify  *
   9  *   it under the terms of the GNU General Public License as published by  *
  10  *   the Free Software Foundation; either version 2 of the License, or     *
  11  *   (at your option) any later version.                                   *
  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                         *
  20  *   Free Software Foundation, Inc.,                                       *
  21  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  22  ***************************************************************************/
  23 #ifndef STM32X_H
  24 #define STM32X_H
  25
  26 #include "flash.h"
  27 #include "target.h"
  28
  29 typedef struct stm32x_options_s
  30 {
  31         u16 RDP;
  32         u16 user_options;
  33         u16 protection[4];
  34 } stm32x_options_t;
  35
  36 typedef struct stm32x_flash_bank_s
  37 {
  38         stm32x_options_t option_bytes;
  39         working_area_t *write_algorithm;
  40         int ppage_size;
  41         int probed;
  42 } stm32x_flash_bank_t;
  43
  44 /* stm32x register locations */
  45
  46 #define STM32_FLASH_ACR         0x40022000
  47 #define STM32_FLASH_KEYR        0x40022004
  48 #define STM32_FLASH_OPTKEYR     0x40022008
  49 #define STM32_FLASH_SR          0x4002200C
  50 #define STM32_FLASH_CR          0x40022010
  51 #define STM32_FLASH_AR          0x40022014
  52 #define STM32_FLASH_OBR         0x4002201C
  53 #define STM32_FLASH_WRPR        0x40022020
  54
  55 /* option byte location */
  56
  57 #define STM32_OB_RDP            0x1FFFF800
  58 #define STM32_OB_USER           0x1FFFF802
  59 #define STM32_OB_DATA0          0x1FFFF804
  60 #define STM32_OB_DATA1          0x1FFFF806
  61 #define STM32_OB_WRP0           0x1FFFF808
  62 #define STM32_OB_WRP1           0x1FFFF80A
  63 #define STM32_OB_WRP2           0x1FFFF80C
  64 #define STM32_OB_WRP3           0x1FFFF80E
  65
  66 /* FLASH_CR register bits */
  67
  68 #define FLASH_PG                (1<<0)
  69 #define FLASH_PER               (1<<1)
  70 #define FLASH_MER       (1<<2)
  71 #define FLASH_OPTPG             (1<<4)
  72 #define FLASH_OPTER             (1<<5)
  73 #define FLASH_STRT              (1<<6)
  74 #define FLASH_LOCK              (1<<7)
  75 #define FLASH_OPTWRE    (1<<9)
  76
  77 /* FLASH_SR regsiter bits */
  78
  79 #define FLASH_BSY               (1<<0)
  80 #define FLASH_PGERR     (1<<2)
  81 #define FLASH_WRPRTERR  (1<<4)
  82 #define FLASH_EOP               (1<<5)
  83
  84 /* STM32_FLASH_OBR bit definitions (reading) */
  85
  86 #define OPT_ERROR               0
  87 #define OPT_READOUT             1
  88 #define OPT_RDWDGSW             2
  89 #define OPT_RDRSTSTOP   3
  90 #define OPT_RDRSTSTDBY  4
  91
  92 /* register unlock keys */
  93
  94 #define KEY1                    0x45670123
  95 #define KEY2                    0xCDEF89AB
  96
  97 typedef struct stm32x_mem_layout_s {
  98         u32 sector_start;
  99         u32 sector_size;
 100 } stm32x_mem_layout_t;
 101
 102 #endif /* STM32X_H */