/* SPDX-License-Identifier: BSD-2-Clause */ /* * SPI driver for M25P40 like spi flash device. */ /* * Copyright (c) 2007 embedded brains GmbH & Co. KG * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 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. */ #include #include #include #include static spi_memdrv_t spi_flash_m25p40_rw_drv_t = { {/* public fields */ .ops = &spi_memdrv_rw_ops, /* operations of general memdrv */ .size = sizeof (spi_flash_m25p40_rw_drv_t), }, { /* our private fields */ .baudrate = 2000000, .erase_before_program = true, .empty_state = 0xff, .page_size = 256, /* programming page size in bytes */ .sector_size = 0x10000, /* 64K - erase sector size in bytes */ .mem_size = 0x80000, /* 512K - total capacity in bytes */ } }; rtems_libi2c_drv_t *spi_flash_m25p40_rw_driver_descriptor = &spi_flash_m25p40_rw_drv_t.libi2c_drv_entry; static spi_memdrv_t spi_flash_m25p40_ro_drv_t = { {/* public fields */ .ops = &spi_memdrv_ro_ops, /* operations of general memdrv */ .size = sizeof (spi_flash_m25p40_ro_drv_t), }, { /* our private fields */ .baudrate = 2000000, .erase_before_program = true, .empty_state = 0xff, .page_size = 256, /* programming page size in bytes */ .sector_size = 0x10000, /* 64K erase sector size in bytes */ .mem_size = 0x80000, /* 512K total capacity in bytes */ } }; rtems_libi2c_drv_t *spi_flash_m25p40_ro_driver_descriptor = &spi_flash_m25p40_ro_drv_t.libi2c_drv_entry;