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|
/*===============================================================*\
| Project: SPI driver for M25P40 like spi flash device |
+-----------------------------------------------------------------+
| Copyright (c) 2007 |
| Embedded Brains GmbH |
| Obere Lagerstr. 30 |
| D-82178 Puchheim |
| Germany |
| rtems@embedded-brains.de |
+-----------------------------------------------------------------+
| The license and distribution terms for this file may be |
| found in the file LICENSE in this distribution or at |
| |
| http://www.rtems.org/license/LICENSE. |
| |
+-----------------------------------------------------------------+
\*===============================================================*/
#include <rtems.h>
#include <rtems/libi2c.h>
#include <libchip/spi-flash-m25p40.h>
#include <rtems/libio.h>
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;
|
