From 044ad7c3987460ede48ff27afd6bdb0ca05a0432 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Mon, 4 Jul 2011 20:52:54 +0200 Subject: import at91lib from at91lib_20100901_softpack_1_9_v_1_0_svn_v15011 it's sad to see that atmel doesn't publish their svn repo or has a centralized location or even puts proper version/release info into the library itself --- memories/norflash/NorFlashApi.c | 143 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 143 insertions(+) create mode 100644 memories/norflash/NorFlashApi.c (limited to 'memories/norflash/NorFlashApi.c') diff --git a/memories/norflash/NorFlashApi.c b/memories/norflash/NorFlashApi.c new file mode 100644 index 0000000..33647f9 --- /dev/null +++ b/memories/norflash/NorFlashApi.c @@ -0,0 +1,143 @@ +/* ---------------------------------------------------------------------------- + * 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. + * ---------------------------------------------------------------------------- + */ + +//------------------------------------------------------------------------------ +// Headers +//------------------------------------------------------------------------------ +#include "NorFlashApi.h" +#include "NorFlashCommon.h" +#include +#include +#include + +//------------------------------------------------------------------------------ +// Exported functions +//------------------------------------------------------------------------------ + +//------------------------------------------------------------------------------ +/// It will invokes different associate function to implement a RESET command. +/// \param pNorFlash Pointer to a NorFlash instance. +/// \param address Address offset. +//------------------------------------------------------------------------------ +void NORFLASH_Reset(struct NorFlash *pNorFlash, unsigned int address) +{ + ((pNorFlash->pOperations)->_fReset)(&(pNorFlash->norFlashInfo), address); +} + +//------------------------------------------------------------------------------ +/// It will invokes associate function to implement a read manufactory ID command. +/// \param pNorFlash Pointer to a NorFlash instance. +//------------------------------------------------------------------------------ +unsigned int NORFLASH_ReadManufactoryID(struct NorFlash *pNorFlash) +{ + return ((pNorFlash->pOperations)->_fReadManufactoryID)(&(pNorFlash->norFlashInfo)); +} + +//------------------------------------------------------------------------------ +/// It will invokes associate function to implement a read device ID command. +/// ID command. +/// \param pNorFlash Pointer to a NorFlash instance. +//------------------------------------------------------------------------------ +unsigned int NORFLASH_ReadDeviceID(struct NorFlash *pNorFlash) +{ + return ((pNorFlash->pOperations)->_fReadDeviceID)(&(pNorFlash->norFlashInfo)); +} + +//------------------------------------------------------------------------------ +/// Erases the specified block of the device. Returns 0 if the operation was +/// successful; otherwise returns an error code. +/// \param pNorFlash Pointer to a NorFlash instance. +/// \param address Address offset to be erase. +//------------------------------------------------------------------------------ +unsigned char NORFLASH_EraseSector( + struct NorFlash *pNorFlash, + unsigned int address) +{ + return ((pNorFlash->pOperations)->_fEraseSector)(&(pNorFlash->norFlashInfo), address); +} + +//------------------------------------------------------------------------------ +/// Erases all the block of the device. Returns 0 if the operation was successful; +/// otherwise returns an error code. +/// \param pNorFlash Pointer to a NorFlash instance. +//------------------------------------------------------------------------------ +unsigned char NORFLASH_EraseChip( + struct NorFlash *pNorFlash) +{ + return ((pNorFlash->pOperations)->_fEraseChip)(&(pNorFlash->norFlashInfo)); +} + +//------------------------------------------------------------------------------ +/// Sends data to the pNorFlash chip from the provided buffer. +/// \param pNorFlash Pointer to a NorFlash instance. +/// \param address Start address offset to be wrote. +/// \param buffer Buffer where the data is stored. +/// \param size Number of bytes that will be written. +//------------------------------------------------------------------------------ +unsigned char NORFLASH_WriteData( + struct NorFlash *pNorFlash, + unsigned int address, + unsigned char *buffer, + unsigned int size) +{ + return ((pNorFlash->pOperations)->_fWriteData)(&(pNorFlash->norFlashInfo), address, buffer, size); +} + +//------------------------------------------------------------------------------ +/// Reads data from the NandFlash chip into the provided buffer. +/// \param pNorFlash Pointer to a NorFlash instance. +/// \param buffer Buffer where the data will be stored. +/// \param size Number of bytes that will be read. +//------------------------------------------------------------------------------ +unsigned char NORFLASH_ReadData( + struct NorFlash *pNorFlash, + unsigned int address, + unsigned char *buffer, + unsigned int size) +{ + unsigned int busAddress; + unsigned char busWidth; + unsigned int i; + busWidth = NorFlash_GetDataBusWidth(&(pNorFlash->norFlashInfo)); + + busAddress = NorFlash_GetAddressInChip(&(pNorFlash->norFlashInfo), address); + if ((busWidth / 8 ) == FLASH_CHIP_WIDTH_16BITS ){ + size = (size + 1) >> 1; + } + if ((busWidth/8) == FLASH_CHIP_WIDTH_32BITS ){ + size = (size + 3) >> 2; + } + for(i = 0; i < size; i++) { + ReadRawData(busWidth, busAddress, buffer); + buffer+= (busWidth / 8); + busAddress+= (busWidth / 8); + + } + return 0; +} -- cgit v1.2.3