205 lines
7.6 KiB
C
205 lines
7.6 KiB
C
/*
|
|
* Copyright (c) 2013-2017 ARM Limited. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the License); you may
|
|
* not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
* $Date: 2. Feb 2017
|
|
* $Revision: V2.1
|
|
*
|
|
* Project: Flash Driver definitions
|
|
*/
|
|
|
|
/* History:
|
|
* Version 2.1
|
|
* ARM_FLASH_STATUS made volatile
|
|
* Version 2.0
|
|
* Renamed driver NOR -> Flash (more generic)
|
|
* Non-blocking operation
|
|
* Added Events, Status and Capabilities
|
|
* Linked Flash information (GetInfo)
|
|
* Version 1.11
|
|
* Changed prefix ARM_DRV -> ARM_DRIVER
|
|
* Version 1.10
|
|
* Namespace prefix ARM_ added
|
|
* Version 1.00
|
|
* Initial release
|
|
*/
|
|
|
|
#ifndef DRIVER_FLASH_H_
|
|
#define DRIVER_FLASH_H_
|
|
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
|
|
#include "Driver_Common.h"
|
|
|
|
#define ARM_FLASH_API_VERSION ARM_DRIVER_VERSION_MAJOR_MINOR(2,1) /* API version */
|
|
|
|
|
|
#define _ARM_Driver_Flash_(n) Driver_Flash##n
|
|
#define ARM_Driver_Flash_(n) _ARM_Driver_Flash_(n)
|
|
|
|
|
|
#define ARM_FLASH_SECTOR_INFO(addr,size) { (addr), (addr)+(size)-1 }
|
|
|
|
/**
|
|
\brief Flash Sector information
|
|
*/
|
|
typedef struct _ARM_FLASH_SECTOR {
|
|
uint32_t start; ///< Sector Start address
|
|
uint32_t end; ///< Sector End address (start+size-1)
|
|
} const ARM_FLASH_SECTOR;
|
|
|
|
/**
|
|
\brief Flash information
|
|
*/
|
|
typedef struct _ARM_FLASH_INFO {
|
|
ARM_FLASH_SECTOR *sector_info; ///< Sector layout information (NULL=Uniform sectors)
|
|
uint32_t sector_count; ///< Number of sectors
|
|
uint32_t sector_size; ///< Uniform sector size in bytes (0=sector_info used)
|
|
uint32_t page_size; ///< Optimal programming page size in bytes
|
|
uint32_t program_unit; ///< Smallest programmable unit in bytes
|
|
uint8_t erased_value; ///< Contents of erased memory (usually 0xFF)
|
|
} const ARM_FLASH_INFO;
|
|
|
|
|
|
/**
|
|
\brief Flash Status
|
|
*/
|
|
typedef volatile struct _ARM_FLASH_STATUS {
|
|
uint32_t busy : 1; ///< Flash busy flag
|
|
uint32_t error : 1; ///< Read/Program/Erase error flag (cleared on start of next operation)
|
|
uint32_t reserved : 30;
|
|
} ARM_FLASH_STATUS;
|
|
|
|
|
|
/****** Flash Event *****/
|
|
#define ARM_FLASH_EVENT_READY (1UL << 0) ///< Flash Ready
|
|
#define ARM_FLASH_EVENT_ERROR (1UL << 1) ///< Read/Program/Erase Error
|
|
|
|
|
|
// Function documentation
|
|
/**
|
|
\fn ARM_DRIVER_VERSION ARM_Flash_GetVersion (void)
|
|
\brief Get driver version.
|
|
\return \ref ARM_DRIVER_VERSION
|
|
*/
|
|
/**
|
|
\fn ARM_FLASH_CAPABILITIES ARM_Flash_GetCapabilities (void)
|
|
\brief Get driver capabilities.
|
|
\return \ref ARM_FLASH_CAPABILITIES
|
|
*/
|
|
/**
|
|
\fn int32_t ARM_Flash_Initialize (ARM_Flash_SignalEvent_t cb_event)
|
|
\brief Initialize the Flash Interface.
|
|
\param[in] cb_event Pointer to \ref ARM_Flash_SignalEvent
|
|
\return \ref execution_status
|
|
*/
|
|
/**
|
|
\fn int32_t ARM_Flash_Uninitialize (void)
|
|
\brief De-initialize the Flash Interface.
|
|
\return \ref execution_status
|
|
*/
|
|
/**
|
|
\fn int32_t ARM_Flash_PowerControl (ARM_POWER_STATE state)
|
|
\brief Control the Flash interface power.
|
|
\param[in] state Power state
|
|
\return \ref execution_status
|
|
*/
|
|
/**
|
|
\fn int32_t ARM_Flash_ReadData (uint32_t addr, void *data, uint32_t cnt)
|
|
\brief Read data from Flash.
|
|
\param[in] addr Data address.
|
|
\param[out] data Pointer to a buffer storing the data read from Flash.
|
|
\param[in] cnt Number of data items to read.
|
|
\return number of data items read or \ref execution_status
|
|
*/
|
|
/**
|
|
\fn int32_t ARM_Flash_ProgramData (uint32_t addr, const void *data, uint32_t cnt)
|
|
\brief Program data to Flash.
|
|
\param[in] addr Data address.
|
|
\param[in] data Pointer to a buffer containing the data to be programmed to Flash.
|
|
\param[in] cnt Number of data items to program.
|
|
\return number of data items programmed or \ref execution_status
|
|
*/
|
|
/**
|
|
\fn int32_t ARM_Flash_EraseSector (uint32_t addr)
|
|
\brief Erase Flash Sector.
|
|
\param[in] addr Sector address
|
|
\return \ref execution_status
|
|
*/
|
|
/**
|
|
\fn int32_t ARM_Flash_EraseChip (void)
|
|
\brief Erase complete Flash.
|
|
Optional function for faster full chip erase.
|
|
\return \ref execution_status
|
|
*/
|
|
/**
|
|
\fn ARM_FLASH_STATUS ARM_Flash_GetStatus (void)
|
|
\brief Get Flash status.
|
|
\return Flash status \ref ARM_FLASH_STATUS
|
|
*/
|
|
/**
|
|
\fn ARM_FLASH_INFO * ARM_Flash_GetInfo (void)
|
|
\brief Get Flash information.
|
|
\return Pointer to Flash information \ref ARM_FLASH_INFO
|
|
*/
|
|
|
|
/**
|
|
\fn void ARM_Flash_SignalEvent (uint32_t event)
|
|
\brief Signal Flash event.
|
|
\param[in] event Event notification mask
|
|
\return none
|
|
*/
|
|
|
|
typedef void (*ARM_Flash_SignalEvent_t) (uint32_t event); ///< Pointer to \ref ARM_Flash_SignalEvent : Signal Flash Event.
|
|
|
|
|
|
/**
|
|
\brief Flash Driver Capabilities.
|
|
*/
|
|
typedef struct _ARM_FLASH_CAPABILITIES {
|
|
uint32_t event_ready : 1; ///< Signal Flash Ready event
|
|
uint32_t data_width : 2; ///< Data width: 0=8-bit, 1=16-bit, 2=32-bit
|
|
uint32_t erase_chip : 1; ///< Supports EraseChip operation
|
|
uint32_t reserved : 28; ///< Reserved (must be zero)
|
|
} ARM_FLASH_CAPABILITIES;
|
|
|
|
|
|
/**
|
|
\brief Access structure of the Flash Driver
|
|
*/
|
|
typedef struct _ARM_DRIVER_FLASH {
|
|
ARM_DRIVER_VERSION (*GetVersion) (void); ///< Pointer to \ref ARM_Flash_GetVersion : Get driver version.
|
|
ARM_FLASH_CAPABILITIES (*GetCapabilities)(void); ///< Pointer to \ref ARM_Flash_GetCapabilities : Get driver capabilities.
|
|
int32_t (*Initialize) (ARM_Flash_SignalEvent_t cb_event); ///< Pointer to \ref ARM_Flash_Initialize : Initialize Flash Interface.
|
|
int32_t (*Uninitialize) (void); ///< Pointer to \ref ARM_Flash_Uninitialize : De-initialize Flash Interface.
|
|
int32_t (*PowerControl) (ARM_POWER_STATE state); ///< Pointer to \ref ARM_Flash_PowerControl : Control Flash Interface Power.
|
|
int32_t (*ReadData) (uint32_t addr, void *data, uint32_t cnt); ///< Pointer to \ref ARM_Flash_ReadData : Read data from Flash.
|
|
int32_t (*ProgramData) (uint32_t addr, const void *data, uint32_t cnt); ///< Pointer to \ref ARM_Flash_ProgramData : Program data to Flash.
|
|
int32_t (*EraseSector) (uint32_t addr); ///< Pointer to \ref ARM_Flash_EraseSector : Erase Flash Sector.
|
|
int32_t (*EraseChip) (void); ///< Pointer to \ref ARM_Flash_EraseChip : Erase complete Flash.
|
|
ARM_FLASH_STATUS (*GetStatus) (void); ///< Pointer to \ref ARM_Flash_GetStatus : Get Flash status.
|
|
ARM_FLASH_INFO * (*GetInfo) (void); ///< Pointer to \ref ARM_Flash_GetInfo : Get Flash information.
|
|
} const ARM_DRIVER_FLASH;
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* DRIVER_FLASH_H_ */
|