forked from Imagelibrary/rtems
61 lines
2.6 KiB
C
61 lines
2.6 KiB
C
/*===============================================================*\
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| Project: SPI driver for M25P40 like spi flash device |
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+-----------------------------------------------------------------+
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| Copyright (c) 2007 |
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| Embedded Brains GmbH |
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| Obere Lagerstr. 30 |
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| D-82178 Puchheim |
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| Germany |
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| rtems@embedded-brains.de |
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+-----------------------------------------------------------------+
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| The license and distribution terms for this file may be |
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| found in the file LICENSE in this distribution or at |
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| http://www.rtems.org/license/LICENSE. |
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+-----------------------------------------------------------------+
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\*===============================================================*/
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#include <rtems.h>
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#include <rtems/libi2c.h>
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#include <libchip/spi-flash-m25p40.h>
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#include <rtems/libio.h>
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static spi_memdrv_t spi_flash_m25p40_rw_drv_t = {
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{/* public fields */
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.ops = &spi_memdrv_rw_ops, /* operations of general memdrv */
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.size = sizeof (spi_flash_m25p40_rw_drv_t),
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},
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{ /* our private fields */
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.baudrate = 2000000,
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.erase_before_program = true,
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.empty_state = 0xff,
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.page_size = 256, /* programming page size in bytes */
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.sector_size = 0x10000, /* 64K - erase sector size in bytes */
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.mem_size = 0x80000, /* 512K - total capacity in bytes */
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}
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};
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rtems_libi2c_drv_t *spi_flash_m25p40_rw_driver_descriptor =
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&spi_flash_m25p40_rw_drv_t.libi2c_drv_entry;
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static spi_memdrv_t spi_flash_m25p40_ro_drv_t = {
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{/* public fields */
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.ops = &spi_memdrv_ro_ops, /* operations of general memdrv */
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.size = sizeof (spi_flash_m25p40_ro_drv_t),
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},
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{ /* our private fields */
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.baudrate = 2000000,
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.erase_before_program = true,
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.empty_state = 0xff,
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.page_size = 256, /* programming page size in bytes */
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.sector_size = 0x10000, /* 64K erase sector size in bytes */
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.mem_size = 0x80000, /* 512K total capacity in bytes */
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}
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};
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rtems_libi2c_drv_t *spi_flash_m25p40_ro_driver_descriptor =
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&spi_flash_m25p40_ro_drv_t.libi2c_drv_entry;
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