Refactor L4+ EFL sizing
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12920 27425a3e-05d8-49a3-a47f-9c15f0e5edd8
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/*
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ChibiOS - Copyright (C) 2006..2019 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @file hal_efl_lld.h
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* @brief STM32L4R/Snxx Embedded Flash subsystem low level driver header.
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*
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* @addtogroup HAL_EFL
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* @{
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*/
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#ifndef HAL_EFL_LLD_H
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#define HAL_EFL_LLD_H
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#if (HAL_USE_EFL == TRUE) || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Driver constants. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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/**
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* @name STM32L4xx configuration options
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* @{
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*/
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/**
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* @brief Suggested wait time during erase operations polling.
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*/
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#if !defined(STM32_FLASH_WAIT_TIME_MS) || defined(__DOXYGEN__)
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#define STM32_FLASH_WAIT_TIME_MS 5
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#endif
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/** @} */
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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#if defined(STM32L4R5xx) || defined(STM32L4R7xx) || defined(STM32L4R9xx) || \
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defined(STM32L4S5xx) || defined(STM32L4S7xx) || defined(STM32L4S9xx) || \
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defined(__DOXYGEN__)
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/*
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* Flash size is:
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* 1M for STM32L4+ suffix G devices
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* 2M for STM32L4+ suffix I devices.
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*
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* For 1M devices SBM is organised as 128 x 8K pages.
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* For 1M devices DBM is organised as 128 x 4K pages per bank.
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*
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* For 2M devices SBM is organised as 256 x 8K pages.
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* For 2M devices DBM is organised as 256 x 4K pages per bank.
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*/
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#define STM32_FLASH_SIZE_1M 1024U
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#define STM32_FLASH_SIZE_2M 2048U
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/* Single bank mode bank 1.*/
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#define STM32_FLASH_SECTOR_SIZE 8192U
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#define STM32_FLASH_SECTORS_PER_BANK 256
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/* Dual bank mode banks 1 & 2.*/
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#define STM32_FLASH_DUAL_SECTOR_SIZE 4096U
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#define STM32_FLASH_DUAL_SECTORS_PER_BANK 128
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#define STM32_FLASH_SIZE_REGISTER 0x1FFF75E0
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#else
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#error "This EFL driver does not support the selected device"
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#endif
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/*===========================================================================*/
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/* Driver data structures and types. */
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/*===========================================================================*/
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/* A flash size declaration. */
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typedef struct {
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uint16_t kb_size;
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const flash_descriptor_t* desc;
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} efl_lld_size_t;
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/*===========================================================================*/
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/* Driver macros. */
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/*===========================================================================*/
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/**
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* @brief Low level fields of the embedded flash driver structure.
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*/
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#define efl_lld_driver_fields \
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/* Flash registers.*/ \
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FLASH_TypeDef *flash; \
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const flash_descriptor_t *descriptor;
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/**
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* @brief Low level fields of the embedded flash configuration structure.
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*/
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#define efl_lld_config_fields \
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/* Dummy configuration, it is not needed.*/ \
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uint32_t dummy
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#if !defined(__DOXYGEN__)
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extern EFlashDriver EFLD1;
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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void efl_lld_init(void);
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void efl_lld_start(EFlashDriver *eflp);
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void efl_lld_stop(EFlashDriver *eflp);
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const flash_descriptor_t *efl_lld_get_descriptor(void *instance);
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flash_error_t efl_lld_read(void *instance, flash_offset_t offset,
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size_t n, uint8_t *rp);
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flash_error_t efl_lld_program(void *instance, flash_offset_t offset,
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size_t n, const uint8_t *pp);
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flash_error_t efl_lld_start_erase_all(void *instance);
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flash_error_t efl_lld_start_erase_sector(void *instance,
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flash_sector_t sector);
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flash_error_t efl_lld_query_erase(void *instance, uint32_t *wait_time);
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flash_error_t efl_lld_verify_erase(void *instance, flash_sector_t sector);
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#ifdef __cplusplus
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}
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#endif
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#endif /* HAL_USE_EFL == TRUE */
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#endif /* HAL_EFL_LLD_H */
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/** @} */
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/*
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ChibiOS - Copyright (C) 2006..2019 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @file hal_efl_lld.h
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* @brief STM32L4R/Snxx Embedded Flash subsystem low level driver header.
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*
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* @addtogroup HAL_EFL
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* @{
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*/
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#ifndef HAL_EFL_LLD_H
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#define HAL_EFL_LLD_H
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#if (HAL_USE_EFL == TRUE) || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Driver constants. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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/**
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* @name STM32L4xx configuration options
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* @{
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*/
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/**
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* @brief Suggested wait time during erase operations polling.
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*/
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#if !defined(STM32_FLASH_WAIT_TIME_MS) || defined(__DOXYGEN__)
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#define STM32_FLASH_WAIT_TIME_MS 5
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#endif
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/** @} */
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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#if defined(STM32L4R5xx) || defined(STM32L4R7xx) || defined(STM32L4R9xx) || \
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defined(STM32L4S5xx) || defined(STM32L4S7xx) || defined(STM32L4S9xx) || \
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defined(__DOXYGEN__)
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/* Flash size register. */
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#define STM32_FLASH_SIZE_REGISTER 0x1FFF75E0
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#define STM32_FLASH_SIZE_SCALE 1024U
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/*
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* Device flash size is:
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* 1M for STM32L4+ suffix G devices
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* 2M for STM32L4+ suffix I devices.
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*
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* For 1M devices SBM is organised as 128 x 8K pages.
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* For 1M devices DBM is organised as 128 x 4K pages per bank.
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*
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* For 2M devices SBM is organised as 256 x 8K pages.
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* For 2M devices DBM is organised as 256 x 4K pages per bank.
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*/
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#define STM32_FLASH_SIZE_1M 1024U
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#define STM32_FLASH_SIZE_2M 2048U
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#define STM32_FLASH_SECTORS_TOTAL_1M 128
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#define STM32_FLASH_SECTORS_TOTAL_2M 256
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/* Single bank mode bank 1 for 1M device.*/
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#define STM32_FLASH_SECTOR_SIZE_1M ((STM32_FLASH_SIZE_1M \
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* STM32_FLASH_SIZE_SCALE) \
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/ STM32_FLASH_SECTORS_TOTAL_1M)
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/* Dual bank mode banks 1 & 2 for 1M device.*/
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#define STM32_FLASH_DUAL_SECTOR_SIZE_1M (STM32_FLASH_SECTOR_SIZE_1M / 2)
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/* Single bank mode bank 1 for 2M device.*/
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#define STM32_FLASH_SECTOR_SIZE_2M ((STM32_FLASH_SIZE_2M \
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* STM32_FLASH_SIZE_SCALE) \
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/ STM32_FLASH_SECTORS_TOTAL_2M)
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/* Dual bank mode banks 1 & 2 for 2M device.*/
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#define STM32_FLASH_DUAL_SECTOR_SIZE_2M (STM32_FLASH_SECTOR_SIZE_2M / 2)
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#else
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#error "This EFL driver does not support the selected device"
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#endif
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/*===========================================================================*/
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/* Driver data structures and types. */
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/*===========================================================================*/
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/* A flash size declaration. */
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typedef struct {
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const flash_descriptor_t* desc;
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} efl_lld_size_t;
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/*===========================================================================*/
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/* Driver macros. */
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/*===========================================================================*/
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/**
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* @brief Low level fields of the embedded flash driver structure.
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*/
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#define efl_lld_driver_fields \
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/* Flash registers.*/ \
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FLASH_TypeDef *flash; \
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const flash_descriptor_t *descriptor;
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/**
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* @brief Low level fields of the embedded flash configuration structure.
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*/
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#define efl_lld_config_fields \
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/* Dummy configuration, it is not needed.*/ \
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uint32_t dummy
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#if !defined(__DOXYGEN__)
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extern EFlashDriver EFLD1;
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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void efl_lld_init(void);
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void efl_lld_start(EFlashDriver *eflp);
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void efl_lld_stop(EFlashDriver *eflp);
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const flash_descriptor_t *efl_lld_get_descriptor(void *instance);
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flash_error_t efl_lld_read(void *instance, flash_offset_t offset,
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size_t n, uint8_t *rp);
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flash_error_t efl_lld_program(void *instance, flash_offset_t offset,
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size_t n, const uint8_t *pp);
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flash_error_t efl_lld_start_erase_all(void *instance);
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flash_error_t efl_lld_start_erase_sector(void *instance,
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flash_sector_t sector);
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flash_error_t efl_lld_query_erase(void *instance, uint32_t *wait_time);
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flash_error_t efl_lld_verify_erase(void *instance, flash_sector_t sector);
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#ifdef __cplusplus
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}
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#endif
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#endif /* HAL_USE_EFL == TRUE */
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#endif /* HAL_EFL_LLD_H */
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/** @} */
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