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David Brownell <david-b@pacbell.net>:
[openocd] / 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
28 typedef struct stm32x_options_s
29 {
30         u16 RDP;
31         u16 user_options;
32         u16 protection[4];
33 } stm32x_options_t;
34
35 typedef struct stm32x_flash_bank_s
36 {
37         stm32x_options_t option_bytes;
38         working_area_t *write_algorithm;
39         int ppage_size;
40         int probed;
41 } stm32x_flash_bank_t;
42
43 /* stm32x register locations */
44
45 #define STM32_FLASH_ACR         0x40022000
46 #define STM32_FLASH_KEYR        0x40022004
47 #define STM32_FLASH_OPTKEYR     0x40022008
48 #define STM32_FLASH_SR          0x4002200C
49 #define STM32_FLASH_CR          0x40022010
50 #define STM32_FLASH_AR          0x40022014
51 #define STM32_FLASH_OBR         0x4002201C
52 #define STM32_FLASH_WRPR        0x40022020
53
54 /* option byte location */
55
56 #define STM32_OB_RDP            0x1FFFF800
57 #define STM32_OB_USER           0x1FFFF802
58 #define STM32_OB_DATA0          0x1FFFF804
59 #define STM32_OB_DATA1          0x1FFFF806
60 #define STM32_OB_WRP0           0x1FFFF808
61 #define STM32_OB_WRP1           0x1FFFF80A
62 #define STM32_OB_WRP2           0x1FFFF80C
63 #define STM32_OB_WRP3           0x1FFFF80E
64
65 /* FLASH_CR register bits */
66
67 #define FLASH_PG                (1<<0)
68 #define FLASH_PER               (1<<1)
69 #define FLASH_MER               (1<<2)
70 #define FLASH_OPTPG             (1<<4)
71 #define FLASH_OPTER             (1<<5)
72 #define FLASH_STRT              (1<<6)
73 #define FLASH_LOCK              (1<<7)
74 #define FLASH_OPTWRE    (1<<9)
75
76 /* FLASH_SR register bits */
77
78 #define FLASH_BSY               (1<<0)
79 #define FLASH_PGERR             (1<<2)
80 #define FLASH_WRPRTERR  (1<<4)
81 #define FLASH_EOP               (1<<5)
82
83 /* STM32_FLASH_OBR bit definitions (reading) */
84
85 #define OPT_ERROR               0
86 #define OPT_READOUT             1
87 #define OPT_RDWDGSW             2
88 #define OPT_RDRSTSTOP   3
89 #define OPT_RDRSTSTDBY  4
90
91 /* register unlock keys */
92
93 #define KEY1                    0x45670123
94 #define KEY2                    0xCDEF89AB
95
96 typedef struct stm32x_mem_layout_s {
97         u32 sector_start;
98         u32 sector_size;
99 } stm32x_mem_layout_t;
100
101 #endif /* STM32X_H */