nuttx/configs/u-blox-c027/src/lpc17_appinit.c

/****************************************************************************
 * config/u-blox-c027/src/lpc17_appinit.c
 *
 *   Copyright (C) 2016 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 <sys/mount.h>

#include "lpc17_ssp.h"

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

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

#ifdef CONFIG_NSH_ARCHINIT

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

#ifdef CONFIG_ARCH_BOARD_U_BLOX_C027
#  define NSH_HAVEUSBDEV 1
#  ifdef CONFIG_LPC17_SSP0
#    define NSH_HAVEMMCSD 1
#  else
#    undef NSH_HAVEMMCSD
#  endif
#else
#  error "Unrecognized board"
#  undef NSH_HAVEUSBDEV
#  undef NSH_HAVEMMCSD
#endif

/* Do we have SPI support for MMC/SD? */

#ifdef NSH_HAVEMMCSD
#  if !defined(CONFIG_NSH_MMCSDSPIPORTNO) || CONFIG_NSH_MMCSDSPIPORTNO != 0
#    error "External MMC/SD on SSP0"
#    undef CONFIG_NSH_MMCSDSPIPORTNO
#    define CONFIG_NSH_MMCSDSPIPORTNO 0
#  endif
#  if !defined(CONFIG_NSH_MMCSDSLOTNO)
#    error "Use MMC/SD slot 0 by default"
#    undef CONFIG_NSH_MMCSDSLOTNO
#    define CONFIG_NSH_MMCSDSLOTNO 0
#  endif
#endif

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

#ifndef CONFIG_USBDEV
#  undef NSH_HAVEUSBDEV
#endif

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

#if defined(CONFIG_DISABLE_MOUNTPOINT)
#  undef NSH_HAVEMMCSD
#endif

#ifndef CONFIG_NSH_MMCSDMINOR
#  define CONFIG_NSH_MMCSDMINOR 0
#endif

/* Currnently MMC/SD support is available only for NSH configurations */

#else
#  undef NSH_HAVEMMCSD
#endif /* CONFIG_NSH_ARCHINIT */

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

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

int board_app_initialize(void)
{
  int ret;

#ifdef CONFIG_FS_PROCFS
  /* mount the proc filesystem */

  syslog(LOG_INFO, "Mounting procfs to /proc\n");

  ret = mount(NULL, "/proc", "procfs", 0, NULL);
  if (ret < 0)
    {
      syslog(LOG_ERR,
             "ERROR: Failed to mount the PROC filesystem: %d (%d)\n",
             ret, errno);
      return ret;
    }
#endif

#ifdef NSH_HAVEMMCSD
  FAR struct spi_dev_s *ssp;

  /* Get the SSP port */

  ssp = lpc17_sspbus_initialize(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;
}