nuttx/configs/nucleus2g/src/lpc17_nsh.c

/****************************************************************************
 * config/nucleus2g/src/lpc17_nsh.c
 *
 *   Copyright (C) 2010-2011, 2013, 2015 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 <stdio.h>
#include <syslog.h>
#include <errno.h>

#include <nuttx/board.h>
#include <nuttx/spi/spi.h>
#include <nuttx/mmcsd.h>

#include "lpc17_ssp.h"

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

/* Configuration ************************************************************/

#define HAVE_USBDEV 1
#define HAVE_MMCSD  1

/* PORT and SLOT number probably depend on the board configuration */

#ifdef CONFIG_NSH_ARCHINIT
#  if !defined(CONFIG_NSH_MMCSDSPIPORTNO) || CONFIG_NSH_MMCSDSPIPORTNO != 0
#    error "The Nucleus-2G MMC/SD is on SSP0"
#    undef CONFIG_NSH_MMCSDSPIPORTNO
#    define CONFIG_NSH_MMCSDSPIPORTNO 0
#  endif

#  if !defined(CONFIG_NSH_MMCSDSLOTNO) || CONFIG_NSH_MMCSDSLOTNO != 0
#    error "The Nucleus-2G MMC/SD is only one slot (0)"
#    undef CONFIG_NSH_MMCSDSLOTNO
#    define CONFIG_NSH_MMCSDSLOTNO 0
#  endif

#  ifndef CONFIG_NSH_MMCSDMINOR
#    define CONFIG_NSH_MMCSDMINOR 0
#  endif

#else
#  define CONFIG_NSH_MMCSDSPIPORTNO 0
#  define CONFIG_NSH_MMCSDSLOTNO 0
#  define CONFIG_NSH_MMCSDMINOR 0
#endif

/* Can't support USB device features if USB device is not enabled */

#ifndef CONFIG_USBDEV
#  undef HAVE_USBDEV
#endif

/* Can't support MMC/SD features if mountpoints are disabled */

#ifdef HAVE_MMCSD
#  ifndef CONFIG_LPC17_SSP0
#    warning "CONFIG_LPC17_SSP0 is require for MMC/SD support"
#    undef HAVE_MMCSD
#  endif

#  ifdef CONFIG_DISABLE_MOUNTPOINT
#    warning "No MMC/SD support.  Mountpoints disabled (CONFIG_DISABLE_MOUNTPOINT)"
#    undef HAVE_MMCSD
#  endif
#endif

/****************************************************************************
 * Private Data
 ****************************************************************************/

/****************************************************************************
 * Private Functions
 ****************************************************************************/

/****************************************************************************
 * Public Functions
 ****************************************************************************/

/****************************************************************************
 * Name: board_app_initialize
 *
 * Description:
 *   Perform architecture specific initialization
 *
 ****************************************************************************/

int board_app_initialize(void)
{
#ifdef HAVE_MMCSD
  FAR struct spi_dev_s *ssp;
  int ret;

  /* Get the SSP port */

  ssp = lpc17_sspinitialize(CONFIG_NSH_MMCSDSPIPORTNO);
  if (!ssp)
    {
      syslog(LOG_ERR, "ERROR: Failed to initialize SSP port %d\n",
             CONFIG_NSH_MMCSDSPIPORTNO);
      return -ENODEV;
    }

  syslog(LOG_INFO, "Successfully initialized SSP port %d\n",
         CONFIG_NSH_MMCSDSPIPORTNO);

  /* Bind the SSP port to the slot */

  ret = mmcsd_spislotinitialize(CONFIG_NSH_MMCSDMINOR, CONFIG_NSH_MMCSDSLOTNO, ssp);
  if (ret < 0)
    {
      syslog(LOG_ERR, "ERROR: Failed to bind SSP port %d to MMC/SD slot %d: %d\n",
             CONFIG_NSH_MMCSDSPIPORTNO, CONFIG_NSH_MMCSDSLOTNO, ret);
      return ret;
    }

  syslog(LOG_INFO, "Successfuly bound SSP port %d to MMC/SD slot %d\n",
         CONFIG_NSH_MMCSDSPIPORTNO, CONFIG_NSH_MMCSDSLOTNO);
#endif

  return OK;
}