nuttx/configs/nucleo-l476rg/src/stm32_appinit.c

/****************************************************************************
 * configs/nucleo-l476rg/src/stm32_appinit.c
 *
 *   Copyright (C) 2014 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/arch.h>
#include <nuttx/board.h>
#include <nuttx/sdio.h>
#include <nuttx/mmcsd.h>

#include <stm32l4.h>
#include <stm32l4_uart.h>

#include <arch/board/board.h>

#include "nucleo-l476rg.h"

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

/****************************************************************************
 * Name: up_netinitialize
 *
 * Description:
 *   Dummy function expected to start-up logic.
 *
 ****************************************************************************/

#ifdef CONFIG_WL_CC3000
void up_netinitialize(void)
{
}
#endif

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

int board_app_initialize(void)
{
#if defined(HAVE_MMCSD) || defined(CONFIG_AJOYSTICK)
  int ret;
#endif

  /* Configure CPU load estimation */

#ifdef CONFIG_SCHED_INSTRUMENTATION
  cpuload_initialize_once();
#endif

#ifdef HAVE_MMCSD
  /* First, get an instance of the SDIO interface */

  g_sdio = sdio_initialize(CONFIG_NSH_MMCSDSLOTNO);
  if (!g_sdio)
    {
      syslog(LOG_ERR, "ERROR: Failed to initialize SDIO slot %d\n",
             CONFIG_NSH_MMCSDSLOTNO);
      return -ENODEV;
    }

  /* Now bind the SDIO interface to the MMC/SD driver */

  ret = mmcsd_slotinitialize(CONFIG_NSH_MMCSDMINOR, g_sdio);
  if (ret != OK)
    {
      syslog(LOG_ERR,
             "ERROR: Failed to bind SDIO to the MMC/SD driver: %d\n",
             ret);
      return ret;
    }

  /* Then let's guess and say that there is a card in the slot. There is no
   * card detect GPIO.
   */

  sdio_mediachange(g_sdio, true);

  syslog(LOG_INFO, "[boot] Initialized SDIO\n");
#endif

#ifdef CONFIG_AJOYSTICK
  /* Initialize and register the joystick driver */

  ret = board_ajoy_initialize();
  if (ret != OK)
    {
      syslog(LOG_ERR,
             "ERROR: Failed to register the joystick driver: %d\n",
             ret);
      return ret;
    }
#endif

  return OK;
}