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Diffstat (limited to 'libopencm3/include/libopencm3/stm32/l1/flash.h')
| -rw-r--r-- | libopencm3/include/libopencm3/stm32/l1/flash.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/libopencm3/include/libopencm3/stm32/l1/flash.h b/libopencm3/include/libopencm3/stm32/l1/flash.h new file mode 100644 index 0000000..680de5c --- /dev/null +++ b/libopencm3/include/libopencm3/stm32/l1/flash.h @@ -0,0 +1,156 @@ +/** @defgroup flash_defines FLASH Defines + * + * @ingroup STM32L1xx_defines + * + * @brief Defined Constants and Types for the STM32L1xx FLASH Memory + * + * @version 1.0.0 + * + * @author @htmlonly © @endhtmlonly 2012 + * Karl Palsson <karlp@tweak.net.au> + * + * @date 14 January 2014 + * + * LGPL License Terms @ref lgpl_license + */ + +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org> + * Copyright (C) 2010 Mark Butler <mbutler@physics.otago.ac.nz> + * Copyright (C) 2012 Karl Palsson <karlp@tweak.net.au> + * + * 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 <http://www.gnu.org/licenses/>. + */ + +/* + * All extracted from PM0062 rev2, L15xx and L16xx Flash/EEPROM programming + * manual. + */ + +#ifndef LIBOPENCM3_FLASH_H +#define LIBOPENCM3_FLASH_H +/**@{*/ + +/* --- FLASH registers ----------------------------------------------------- */ + +#define FLASH_ACR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x00) +#define FLASH_PECR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x04) +#define FLASH_PDKEYR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x08) +#define FLASH_PEKEYR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x0C) +#define FLASH_PRGKEYR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x10) +#define FLASH_OPTKEYR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x14) +#define FLASH_SR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x18) +#define FLASH_OBR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x1c) +#define FLASH_WRPR1 MMIO32(FLASH_MEM_INTERFACE_BASE + 0x20) +#define FLASH_WRPR2 MMIO32(FLASH_MEM_INTERFACE_BASE + 0x80) +#define FLASH_WRPR3 MMIO32(FLASH_MEM_INTERFACE_BASE + 0x84) + +/* --- FLASH_ACR values ---------------------------------------------------- */ + +#define FLASH_ACR_RUNPD (1 << 4) +#define FLASH_ACR_SLEEPPD (1 << 3) +#define FLASH_ACR_ACC64 (1 << 2) +#define FLASH_ACR_PRFTEN (1 << 1) +/** @defgroup flash_latency FLASH Wait States +@ingroup flash_defines +@{*/ +#define FLASH_ACR_LATENCY_0WS 0x00 +#define FLASH_ACR_LATENCY_1WS 0x01 +/**@}*/ + +/* --- FLASH_PECR values. Program/erase control register */ +#define FLASH_PECR_OBL_LAUNCH (1 << 18) +#define FLASH_PECR_ERRIE (1 << 17) +#define FLASH_PECR_EOPIE (1 << 16) +#define FLASH_PECR_PARALLBANK (1 << 15) +#define FLASH_PECR_FPRG (1 << 10) +#define FLASH_PECR_ERASE (1 << 9) +#define FLASH_PECR_FTDW (1 << 8) +#define FLASH_PECR_FTDW (1 << 8) +#define FLASH_PECR_DATA (1 << 4) +#define FLASH_PECR_PROG (1 << 3) +#define FLASH_PECR_OPTLOCK (1 << 2) +#define FLASH_PECR_PRGLOCK (1 << 1) +#define FLASH_PECR_PELOCK (1 << 0) + +/* Power down key register (FLASH_PDKEYR) */ +#define FLASH_PDKEYR_PDKEY1 ((uint32_t)0x04152637) +#define FLASH_PDKEYR_PDKEY2 ((uint32_t)0xFAFBFCFD) + +/* Program/erase key register (FLASH_PEKEYR) */ +#define FLASH_PEKEYR_PEKEY1 ((uint32_t)0x89ABCDEF) +#define FLASH_PEKEYR_PEKEY2 ((uint32_t)0x02030405) + +/* Program memory key register (FLASH_PRGKEYR) */ +#define FLASH_PRGKEYR_PRGKEY1 ((uint32_t)0x8C9DAEBF) +#define FLASH_PRGKEYR_PRGKEY2 ((uint32_t)0x13141516) + +/* Option byte key register (FLASH_OPTKEYR) */ +#define FLASH_OPTKEYR_OPTKEY1 ((uint32_t)0xFBEAD9C8) +#define FLASH_OPTKEYR_OPTKEY2 ((uint32_t)0x24252627) + + +/* --- FLASH_SR values ----------------------------------------------------- */ +#define FLASH_SR_OPTVERRUSR (1 << 12) +#define FLASH_SR_OPTVERR (1 << 11) +#define FLASH_SR_SIZEERR (1 << 10) +#define FLASH_SR_PGAERR (1 << 9) +#define FLASH_SR_WRPERR (1 << 8) +#define FLASH_SR_READY (1 << 3) +#define FLASH_SR_ENDHV (1 << 2) +#define FLASH_SR_EOP (1 << 1) +#define FLASH_SR_BSY (1 << 0) + +/* --- FLASH_OBR values ----------------------------------------------------- */ +#define FLASH_OBR_BFB2 (1 << 23) +#define FLASH_OBR_NRST_STDBY (1 << 22) +#define FLASH_OBR_NRST_STOP (1 << 21) +#define FLASH_OBR_IWDG_SW (1 << 20) +#define FLASH_OBR_BOR_OFF (0x0 << 16) +#define FLASH_OBR_BOR_LEVEL_1 (0x8 << 16) +#define FLASH_OBR_BOR_LEVEL_2 (0x9 << 16) +#define FLASH_OBR_BOR_LEVEL_3 (0xa << 16) +#define FLASH_OBR_BOR_LEVEL_4 (0xb << 16) +#define FLASH_OBR_BOR_LEVEL_5 (0xc << 16) +#define FLASH_OBR_RDPRT_LEVEL_0 (0xaa) +#define FLASH_OBR_RDPRT_LEVEL_1 (0x00) +#define FLASH_OBR_RDPRT_LEVEL_2 (0xcc) + +/* --- Function prototypes ------------------------------------------------- */ + +BEGIN_DECLS + +void flash_64bit_enable(void); +void flash_64bit_disable(void); +void flash_prefetch_enable(void); +void flash_prefetch_disable(void); +void flash_set_ws(uint32_t ws); +void flash_unlock_pecr(void); +void flash_lock_pecr(void); +void flash_unlock_progmem(void); +void flash_lock_progmem(void); +void flash_unlock_option_bytes(void); +void flash_lock_option_bytes(void); +void flash_unlock(void); +void flash_lock(void); + +void eeprom_program_word(uint32_t address, uint32_t data); +void eeprom_program_words(uint32_t address, uint32_t *data, int length_in_words); + +END_DECLS +/**@}*/ + +#endif |