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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [devs/] [flash/] [spi/] [m25pxx/] [current/] [include/] [m25pxx.h] - Rev 786
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#ifndef CYGONCE_DEVS_FLASH_SPI_M25PXX_H #define CYGONCE_DEVS_FLASH_SPI_M25PXX_H //============================================================================= // // m25pxx.h // // SPI flash driver for Numonyx M25Pxx devices and compatibles. // //============================================================================= // ####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 2008, 2009 Free Software Foundation, Inc. // // eCos is free software; you can redistribute it and/or modify it under // the terms of the GNU General Public License as published by the Free // Software Foundation; either version 2 or (at your option) any later // version. // // eCos is distributed in the hope that it will be useful, but WITHOUT // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // for more details. // // You should have received a copy of the GNU General Public License // along with eCos; if not, write to the Free Software Foundation, Inc., // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. // // As a special exception, if other files instantiate templates or use // macros or inline functions from this file, or you compile this file // and link it with other works to produce a work based on this file, // this file does not by itself cause the resulting work to be covered by // the GNU General Public License. However the source code for this file // must still be made available in accordance with section (3) of the GNU // General Public License v2. // // This exception does not invalidate any other reasons why a work based // on this file might be covered by the GNU General Public License. // ------------------------------------------- // ####ECOSGPLCOPYRIGHTEND#### //============================================================================= //#####DESCRIPTIONBEGIN#### // // Author(s): Chris Holgate // Date: 2008-12-22 // Purpose: Numonyx M25Pxx SPI flash driver implementation // //####DESCRIPTIONEND#### // //============================================================================= // Required data structures. #include <cyg/io/flash_dev.h> // Exported handle on the driver function table. externC struct cyg_flash_dev_funs cyg_devs_flash_spi_m25pxx_funs; //----------------------------------------------------------------------------- // Macro used to generate a flash device object with the default M25PXX // settings. Even though the block info data structure is declared here, the // details are not filled in until the device type is inferred during // initialisation. This also applies to the 'end' field which is calculated // using the _start_ address and the inferred size of the device. // _name_ is the root name of the instantiated data structures. // _start_ is the base address of the device - for SPI based devices this can // have an arbitrary value, since the device is not memory mapped. // _spidev_ is a pointer to a SPI device object of type cyg_spi_device. This // is not typechecked during compilation so be careful! #define CYG_DEVS_FLASH_SPI_M25PXX_DRIVER(_name_, _start_, _spidev_) \ struct cyg_flash_block_info _name_ ##_block_info; \ CYG_FLASH_DRIVER(_name_, &cyg_devs_flash_spi_m25pxx_funs, 0, \ _start_, _start_, 1, & _name_ ##_block_info, (void*) _spidev_) //============================================================================= #endif // CYGONCE_DEVS_FLASH_SPI_M25PXX_H