128 lines
4.4 KiB
C
128 lines
4.4 KiB
C
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/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2008, Atmel Corporation
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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#ifndef EFC_H
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#define EFC_H
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//------------------------------------------------------------------------------
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// Headers
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//------------------------------------------------------------------------------
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#include <board.h>
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#ifdef BOARD_FLASH_EFC
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//------------------------------------------------------------------------------
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// Constants
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//------------------------------------------------------------------------------
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/// Number of GPNVMs available on each chip.
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#if defined(at91sam7s16) || defined(at91sam7s161) || defined(at91sam7s32) \
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|| defined(at91sam7s321) || defined(at91sam7s64) || defined(at91sam7s128) \
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|| defined(at91sam7s256) || defined(at91sam7s512)
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#define EFC_NUM_GPNVMS 2
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#elif defined(at91sam7se32) || defined(at91sam7se256) || defined(at91sam7se512) \
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|| defined(at91sam7x128) || defined(at91sam7x256) || defined(at91sam7x512) \
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|| defined(at91sam7xc128) || defined(at91sam7xc256) || defined(at91sam7xc512) \
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#define EFC_NUM_GPNVMS 3
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#elif defined(at91sam7a3)
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#define EFC_NUM_GPNVMS 0
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#endif
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// Missing FRDY bit for SAM7A3
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#if defined(at91sam7a3)
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#define AT91C_MC_FRDY (AT91C_MC_EOP | AT91C_MC_EOL)
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#endif
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// No security bit on SAM7A3
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#if defined(at91sam7a3)
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#define EFC_NO_SECURITY_BIT
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#endif
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//------------------------------------------------------------------------------
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// Types
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//------------------------------------------------------------------------------
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// For chips which do not define AT91S_EFC
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#if !defined(AT91C_BASE_EFC) && !defined(AT91C_BASE_EFC0)
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typedef struct _AT91S_EFC {
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AT91_REG EFC_FMR;
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AT91_REG EFC_FCR;
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AT91_REG EFC_FSR;
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} AT91S_EFC, *AT91PS_EFC;
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#define AT91C_BASE_EFC (AT91_CAST(AT91PS_EFC) 0xFFFFFF60)
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#endif
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//------------------------------------------------------------------------------
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// Functions
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//------------------------------------------------------------------------------
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extern void EFC_SetMasterClock(unsigned int mck);
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extern void EFC_EnableIt(AT91S_EFC *pEfc, unsigned int sources);
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extern void EFC_DisableIt(AT91S_EFC *pEfc, unsigned int sources);
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extern void EFC_SetEraseBeforeProgramming(AT91S_EFC *pEfc, unsigned char enable);
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extern void EFC_TranslateAddress(
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unsigned int address,
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AT91S_EFC **ppEfc,
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unsigned short *pPage,
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unsigned short *pOffset);
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extern void EFC_ComputeAddress(
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AT91S_EFC *pEfc,
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unsigned short page,
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unsigned short offset,
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unsigned int *pAddress);
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extern void EFC_StartCommand(
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AT91S_EFC *pEfc,
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unsigned char command,
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unsigned short argument);
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extern unsigned char EFC_PerformCommand(
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AT91S_EFC *pEfc,
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unsigned char command,
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unsigned short argument);
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extern unsigned int EFC_GetStatus(AT91S_EFC *pEfc);
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#endif //#ifdef BOARD_FLASH_EFC
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#endif //#ifndef EFC_H
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