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Diffstat (limited to 'src/flash/nor/stm32x.h')
| -rw-r--r-- | src/flash/nor/stm32x.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/flash/nor/stm32x.h b/src/flash/nor/stm32x.h new file mode 100644 index 00000000..6cd047e1 --- /dev/null +++ b/src/flash/nor/stm32x.h @@ -0,0 +1,101 @@ +/*************************************************************************** + * Copyright (C) 2005 by Dominic Rath * + * Dominic.Rath@gmx.de * + * * + * Copyright (C) 2008 by Spencer Oliver * + * spen@spen-soft.co.uk * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ +#ifndef STM32X_H +#define STM32X_H + +#include "flash.h" + +struct stm32x_options +{ + uint16_t RDP; + uint16_t user_options; + uint16_t protection[4]; +}; + +struct stm32x_flash_bank +{ + struct stm32x_options option_bytes; + struct working_area *write_algorithm; + int ppage_size; + int probed; +}; + +/* stm32x register locations */ + +#define STM32_FLASH_ACR 0x40022000 +#define STM32_FLASH_KEYR 0x40022004 +#define STM32_FLASH_OPTKEYR 0x40022008 +#define STM32_FLASH_SR 0x4002200C +#define STM32_FLASH_CR 0x40022010 +#define STM32_FLASH_AR 0x40022014 +#define STM32_FLASH_OBR 0x4002201C +#define STM32_FLASH_WRPR 0x40022020 + +/* option byte location */ + +#define STM32_OB_RDP 0x1FFFF800 +#define STM32_OB_USER 0x1FFFF802 +#define STM32_OB_DATA0 0x1FFFF804 +#define STM32_OB_DATA1 0x1FFFF806 +#define STM32_OB_WRP0 0x1FFFF808 +#define STM32_OB_WRP1 0x1FFFF80A +#define STM32_OB_WRP2 0x1FFFF80C +#define STM32_OB_WRP3 0x1FFFF80E + +/* FLASH_CR register bits */ + +#define FLASH_PG (1 << 0) +#define FLASH_PER (1 << 1) +#define FLASH_MER (1 << 2) +#define FLASH_OPTPG (1 << 4) +#define FLASH_OPTER (1 << 5) +#define FLASH_STRT (1 << 6) +#define FLASH_LOCK (1 << 7) +#define FLASH_OPTWRE (1 << 9) + +/* FLASH_SR register bits */ + +#define FLASH_BSY (1 << 0) +#define FLASH_PGERR (1 << 2) +#define FLASH_WRPRTERR (1 << 4) +#define FLASH_EOP (1 << 5) + +/* STM32_FLASH_OBR bit definitions (reading) */ + +#define OPT_ERROR 0 +#define OPT_READOUT 1 +#define OPT_RDWDGSW 2 +#define OPT_RDRSTSTOP 3 +#define OPT_RDRSTSTDBY 4 + +/* register unlock keys */ + +#define KEY1 0x45670123 +#define KEY2 0xCDEF89AB + +struct stm32x_mem_layout { + uint32_t sector_start; + uint32_t sector_size; +}; + +#endif /* STM32X_H */ |