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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* SPI driver for FM25L256 like spi fram device.
*/
/*
* Copyright (c) 2008 embedded brains GmbH. All rights reserved.
*
* 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 <rtems.h>
#include <rtems/libi2c.h>
#include <libchip/spi-fram-fm25l256.h>
#include <rtems/libio.h>
static spi_memdrv_t spi_fram_fm25l256_rw_drv_t = {
{/* public fields */
.ops = &spi_memdrv_rw_ops, /* operations of general memdrv */
.size = sizeof (spi_fram_fm25l256_rw_drv_t),
},
{ /* our private fields */
.baudrate = 2000000,
.erase_before_program = false,
.empty_state = 0xff,
.page_size = 0x8000, /* 32K programming page size in bytes */
.sector_size = 1, /* erase sector size in bytes */
.mem_size = 0x8000, /* 32K total capacity in bytes */
}
};
rtems_libi2c_drv_t *spi_fram_fm25l256_rw_driver_descriptor =
&spi_fram_fm25l256_rw_drv_t.libi2c_drv_entry;
static spi_memdrv_t spi_fram_fm25l256_ro_drv_t = {
{/* public fields */
.ops = &spi_memdrv_ro_ops, /* operations of general memdrv */
.size = sizeof (spi_fram_fm25l256_ro_drv_t),
},
{ /* our private fields */
.baudrate = 2000000,
.erase_before_program = false,
.empty_state = 0xff,
.page_size = 0x8000, /* 32k programming page size in bytes */
.sector_size = 1, /* erase sector size in bytes */
.mem_size = 0x8000, /* 32k total capacity in bytes */
}
};
rtems_libi2c_drv_t *spi_fram_fm25l256_ro_driver_descriptor =
&spi_fram_fm25l256_ro_drv_t.libi2c_drv_entry;
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