/* * This file is part of the libopencm3 project. * * Copyright (C) 2010 Thomas Otto * Copyright (C) 2010 Mark Butler * * This library is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This library 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this library. If not, see . */ /* * For details see: * PM0081 Programming manual: STM32F40xxx and STM32F41xxx Flash programming * September 2011, Doc ID 018520 Rev 1 * http://www.st.com/st-web-ui/static/active/en/resource/technical/document/programming_manual/DM00023388.pdf */ /** @cond */ #ifdef LIBOPENCM3_FLASH_H /** @endcond */ #ifndef LIBOPENCM3_FLASH_COMMON_F24_H #define LIBOPENCM3_FLASH_COMMON_F24_H #include /* --- FLASH registers ----------------------------------------------------- */ #define FLASH_ACR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x00) #define FLASH_KEYR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x04) #define FLASH_OPTKEYR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x08) #define FLASH_SR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x0C) #define FLASH_CR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x10) #define FLASH_OPTCR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x14) /* --- FLASH_ACR values ---------------------------------------------------- */ #define FLASH_ACR_DCRST (1 << 12) #define FLASH_ACR_ICRST (1 << 11) #define FLASH_ACR_DCE (1 << 10) #define FLASH_ACR_ICE (1 << 9) #define FLASH_ACR_PRFTEN (1 << 8) #define FLASH_ACR_LATENCY_0WS 0x00 #define FLASH_ACR_LATENCY_1WS 0x01 #define FLASH_ACR_LATENCY_2WS 0x02 #define FLASH_ACR_LATENCY_3WS 0x03 #define FLASH_ACR_LATENCY_4WS 0x04 #define FLASH_ACR_LATENCY_5WS 0x05 #define FLASH_ACR_LATENCY_6WS 0x06 #define FLASH_ACR_LATENCY_7WS 0x07 /* --- FLASH_SR values ----------------------------------------------------- */ #define FLASH_SR_BSY (1 << 16) #define FLASH_SR_PGSERR (1 << 7) #define FLASH_SR_PGPERR (1 << 6) #define FLASH_SR_PGAERR (1 << 5) #define FLASH_SR_WRPERR (1 << 4) #define FLASH_SR_OPERR (1 << 1) #define FLASH_SR_EOP (1 << 0) /* --- FLASH_CR values ----------------------------------------------------- */ #define FLASH_CR_LOCK (1 << 31) #define FLASH_CR_ERRIE (1 << 25) #define FLASH_CR_EOPIE (1 << 24) #define FLASH_CR_STRT (1 << 16) #define FLASH_CR_MER (1 << 2) #define FLASH_CR_SER (1 << 1) #define FLASH_CR_PG (1 << 0) #define FLASH_CR_SECTOR_0 (0x00 << 3) #define FLASH_CR_SECTOR_1 (0x01 << 3) #define FLASH_CR_SECTOR_2 (0x02 << 3) #define FLASH_CR_SECTOR_3 (0x03 << 3) #define FLASH_CR_SECTOR_4 (0x04 << 3) #define FLASH_CR_SECTOR_5 (0x05 << 3) #define FLASH_CR_SECTOR_6 (0x06 << 3) #define FLASH_CR_SECTOR_7 (0x07 << 3) #define FLASH_CR_SECTOR_8 (0x08 << 3) #define FLASH_CR_SECTOR_9 (0x09 << 3) #define FLASH_CR_SECTOR_10 (0x0a << 3) #define FLASH_CR_SECTOR_11 (0x0b << 3) #define FLASH_CR_PROGRAM_X8 (0x00 << 8) #define FLASH_CR_PROGRAM_X16 (0x01 << 8) #define FLASH_CR_PROGRAM_X32 (0x02 << 8) #define FLASH_CR_PROGRAM_X64 (0x03 << 8) /* --- FLASH_OPTCR values -------------------------------------------------- */ /* FLASH_OPTCR[27:16]: nWRP */ /* FLASH_OBR[15:8]: RDP */ #define FLASH_OPTCR_NRST_STDBY (1 << 7) #define FLASH_OPTCR_NRST_STOP (1 << 6) #define FLASH_OPTCR_WDG_SW (1 << 5) #define FLASH_OPTCR_OPTSTRT (1 << 1) #define FLASH_OPTCR_OPTLOCK (1 << 0) #define FLASH_OPTCR_BOR_LEVEL_3 (0x00 << 2) #define FLASH_OPTCR_BOR_LEVEL_2 (0x01 << 2) #define FLASH_OPTCR_BOR_LEVEL_1 (0x02 << 2) #define FLASH_OPTCR_BOR_OFF (0x03 << 2) /* --- FLASH Keys -----------------------------------------------------------*/ #define FLASH_KEYR_KEY1 ((u32)0x45670123) #define FLASH_KEYR_KEY2 ((u32)0xcdef89ab) #define FLASH_OPTKEYR_KEY1 ((u32)0x08192a3b) #define FLASH_OPTKEYR_KEY2 ((u32)0x4c5d6e7f) /* --- Function prototypes ------------------------------------------------- */ BEGIN_DECLS void flash_dcache_enable(void); void flash_dcache_disable(void); void flash_icache_enable(void); void flash_icache_disable(void); void flash_prefetch_enable(void); void flash_prefetch_disable(void); void flash_dcache_reset(void); void flash_icache_reset(void); void flash_set_ws(u32 ws); void flash_unlock(void); void flash_lock(void); void flash_clear_pgserr_flag(void); void flash_clear_pgperr_flag(void); void flash_clear_pgaerr_flag(void); void flash_clear_eop_flag(void); void flash_clear_wrperr_flag(void); void flash_clear_bsy_flag(void); void flash_clear_status_flags(void); void flash_unlock_option_bytes(void); void flash_lock_option_bytes(void); void flash_erase_all_sectors(u32 program_size); void flash_erase_sector(u8 sector, u32 program_size); void flash_program_double_word(u32 address, u64 data); void flash_program_word(u32 address, u32 data); void flash_program_half_word(u32 address, u16 data); void flash_program_byte(u32 address, u8 data); void flash_program(u32 address, u8* data, u32 len); void flash_wait_for_last_operation(void); void flash_program_option_bytes(u32 data); END_DECLS #endif /** @cond */ #else #warning "flash_common_f24.h should not be included explicitly, only via flash.h" #endif /** @endcond */