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/****************************************************************************
* config/mirtoo/src/up_nsh.c
* arch/arm/src/board/up_nsh.c
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/mount.h>
#include <stdbool.h>
#include <stdio.h>
#include <errno.h>
#include <debug.h>
#ifdef CONFIG_PIC32MX_SPI2
# include <nuttx/spi/spi.h>
# include <nuttx/mtd.h>
# include <nuttx/fs/nxffs.h>
#endif
#include "pic32mx-internal.h"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
/* Can't support the SST25 device if it SPI2 or SST25 support is not enabled */
#define HAVE_SST25 1
#if !defined(CONFIG_PIC32MX_SPI2) || !defined(CONFIG_MTD_SST25)
# undef HAVE_SST25
#endif
/* Can't support SST25 features if mountpoints are disabled */
#if defined(CONFIG_DISABLE_MOUNTPOINT)
# undef HAVE_SST25
#endif
/* Use minor device number 0 is not is provided */
#ifndef CONFIG_NSH_MMCSDMINOR
# define CONFIG_NSH_MMCSDMINOR 0
#endif
/* Can't support both FAT and NXFFS */
#if defined(CONFIG_FS_FAT) && defined(CONFIG_FS_NXFFS)
# warning "Can't support both FAT and NXFFS -- using FAT"
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nsh_archinitialize
*
* Description:
* Perform architecture specific initialization
*
****************************************************************************/
int nsh_archinitialize(void)
{
#ifdef HAVE_SST25
FAR struct spi_dev_s *spi;
FAR struct mtd_dev_s *mtd;
int ret;
/* Get the SPI port */
spi = up_spiinitialize(2);
if (!spi)
{
fdbg("ERROR: Failed to initialize SPI port 2\n");
return -ENODEV;
}
/* Now bind the SPI interface to the SST 25 SPI FLASH driver */
mtd = sst25_initialize(spi);
if (!mtd)
{
fdbg("ERROR: Failed to bind SPI port 2 to the SST 25 FLASH driver\n");
return -ENODEV;
}
#ifndef CONFIG_FS_NXFFS
/* And finally, use the FTL layer to wrap the MTD driver as a block driver */
ret = ftl_initialize(CONFIG_NSH_MMCSDMINOR, mtd);
if (ret < 0)
{
fdbg("ERROR: Initialize the FTL layer\n");
return ret;
}
#else
/* Initialize to provide NXFFS on the MTD interface */
ret = nxffs_initialize(mtd);
if (ret < 0)
{
fdbg("ERROR: NXFFS initialization failed: %d\n", -ret);
return ret;
}
/* Mount the file system at /mnt/sst25 */
ret = mount(NULL, "/mnt/sst25", "nxffs", 0, NULL);
if (ret < 0)
{
fdbg("ERROR: Failed to mount the NXFFS volume: %d\n", errno);
return ret;
}
#endif
#endif
return OK;
}
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