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/* ----------------------------------------------------------------------------
* ATMEL Microcontroller Software Support
* ----------------------------------------------------------------------------
* Copyright (c) 2008, Atmel Corporation
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the disclaimer below.
*
* Atmel's name may not be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ----------------------------------------------------------------------------
*/
//------------------------------------------------------------------------------
/// \unit
///
/// !Purpose
///
/// Interface for configuration the Embedded Flash Controller (EFC) peripheral.
///
/// !Usage
///
/// -# Initialize system master clock of the EFC with EFC_SetMasterClock().
/// -# Enable/disable interrupt sources using EFC_EnableIt() and EFC_DisableIt().
/// -# Enables or disable the "Erase before programming" feature using
/// EFC_SetEraseBeforeProgramming().
/// -# Translates the given address into which EFC, page and offset values for
/// difference density %flash memory using EFC_TranslateAddress().
/// -# Computes the address of a %flash access given the EFC, page and offset
/// for difference density %flash memory using EFC_ComputeAddress().
/// -# Start the executing command with EFC_StartCommand()
/// -# Retrieve the current status of the EFC using EFC_GetStatus().
///
//------------------------------------------------------------------------------
#ifndef EFC_H
#define EFC_H
//------------------------------------------------------------------------------
// Headers
//------------------------------------------------------------------------------
#include <board.h>
#if !defined (CHIP_FLASH_EFC)
#error efc not supported
#endif
//------------------------------------------------------------------------------
// Constants
//------------------------------------------------------------------------------
// Missing FRDY bit for SAM7A3
#if defined(at91sam7a3)
#define AT91C_MC_FRDY (AT91C_MC_EOP | AT91C_MC_EOL)
#endif
// No security bit on SAM7A3
#if defined(at91sam7a3)
#define EFC_NO_SECURITY_BIT
#endif
//------------------------------------------------------------------------------
// Types
//------------------------------------------------------------------------------
// For chips which do not define AT91S_EFC
#if !defined(AT91C_BASE_EFC) && !defined(AT91C_BASE_EFC0)
typedef struct _AT91S_EFC {
AT91_REG EFC_FMR;
AT91_REG EFC_FCR;
AT91_REG EFC_FSR;
} AT91S_EFC, *AT91PS_EFC;
#define AT91C_BASE_EFC (AT91_CAST(AT91PS_EFC) 0xFFFFFF60)
#endif
//------------------------------------------------------------------------------
// Functions
//------------------------------------------------------------------------------
extern void EFC_SetMasterClock(unsigned int mck);
extern void EFC_EnableIt(AT91S_EFC *pEfc, unsigned int sources);
extern void EFC_DisableIt(AT91S_EFC *pEfc, unsigned int sources);
extern void EFC_SetEraseBeforeProgramming(AT91S_EFC *pEfc, unsigned char enable);
extern void EFC_TranslateAddress(
AT91S_EFC **ppEfc,
unsigned int address,
unsigned short *pPage,
unsigned short *pOffset);
extern void EFC_ComputeAddress(
AT91S_EFC *pEfc,
unsigned short page,
unsigned short offset,
unsigned int *pAddress);
extern void EFC_StartCommand(
AT91S_EFC *pEfc,
unsigned char command,
unsigned short argument);
extern unsigned char EFC_PerformCommand(
AT91S_EFC *pEfc,
unsigned char command,
unsigned short argument);
extern unsigned int EFC_GetStatus(AT91S_EFC *pEfc);
#endif //#ifndef EFC_H
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