boards/arm/stm32f7/stm32f746g-disco/src/stm32_bringup.c

/****************************************************************************
 * boards/arm/stm32f7/stm32f746g-disco/src/stm32_bringup.c
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The
 * ASF licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 ****************************************************************************/

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <nuttx/config.h>

#include <sys/types.h>
#include <syslog.h>
#include <errno.h>

#include "stm32f746g-disco.h"

#include <nuttx/fs/fs.h>

#ifdef CONFIG_INPUT_BUTTONS
#  include <nuttx/input/buttons.h>
#endif

#ifdef CONFIG_VIDEO_FB
#  include <nuttx/video/fb.h>
#endif

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

/****************************************************************************
 * Name: stm32_bringup
 *
 * Description:
 *   Perform architecture-specific initialization
 *
 *   CONFIG_BOARD_LATE_INITIALIZE=y :
 *     Called from board_late_initialize().
 *
 *   CONFIG_BOARD_LATE_INITIALIZE=n && CONFIG_BOARDCTL=y :
 *     Called from the NSH library
 *
 ****************************************************************************/

int stm32_bringup(void)
{
  int ret;

#ifdef CONFIG_FS_PROCFS
  /* Mount the procfs file system */

  ret = nx_mount(NULL, STM32_PROCFS_MOUNTPOINT, "procfs", 0, NULL);
  if (ret < 0)
    {
      syslog(LOG_ERR,
             "ERROR: Failed to mount the PROC filesystem: %d\n", ret);
      return ret;
    }
#endif

#ifdef CONFIG_INPUT_BUTTONS
  /* Register the BUTTON driver */

  ret = btn_lower_initialize("/dev/buttons");
  if (ret < 0)
    {
      syslog(LOG_ERR, "ERROR: btn_lower_initialize() failed: %d\n", ret);
    }
#endif

#ifdef CONFIG_ADC
  /* Initialize ADC and register the ADC driver. */

  ret = stm32_adc_setup();
  if (ret < 0)
    {
      syslog(LOG_ERR, "ERROR: stm32_adc_setup failed: %d\n", ret);
    }
#endif

#ifdef CONFIG_VIDEO_FB
  /* Initialize and register the framebuffer driver */

  ret = fb_register(0, 0);
  if (ret < 0)
    {
      syslog(LOG_ERR, "ERROR: fb_register() failed: %d\n", ret);
    }
#endif

#ifdef HAVE_USBHOST
  /* Initialize USB host operation.  stm32_usbhost_initialize() starts a
   * thread will monitor for USB connection and disconnection events.
   */

  ret = stm32_usbhost_initialize();
  if (ret != OK)
    {
      syslog(LOG_ERR, "ERROR: Failed to initialize USB host: %d\n", ret);
      return ret;
    }
#endif

#ifdef CONFIG_INPUT_FT5X06
  /* Initialize the touchscreen */

  ret = stm32_tsc_setup(0);
  if (ret < 0)
    {
      syslog(LOG_ERR, "ERROR: stm32_tsc_setup failed: %d\n", ret);
    }
#endif

#ifdef CONFIG_MTD_N25QXXX
  ret = stm32_n25qxxx_setup();
  if (ret < 0)
    {
      syslog(LOG_ERR, "ERROR: stm32_n25qxxx_setup failed: %d\n", ret);
    }
#endif

#ifdef HAVE_SDIO
  ret = stm32_sdio_initialize();
  if (ret < 0)
    {
      syslog(LOG_ERR, "ERROR: stm32_n25qxxx_setup failed: %d\n", ret);
    }
#endif

#ifdef CONFIG_AUDIO_WM8994
  ret = stm32_wm8994_initialize(0);
  if (ret < 0)
    {
      syslog(LOG_ERR, "ERROR: stm32_wm8994_initialize failed: %d\n", ret);
    }
#endif

  UNUSED(ret);  /* May not be used */
  return OK;
}