text: /****************************************************************************
   * configs/lpcxpresso-lpc54628/src/lpc54_bringup.c
   *
   *   Copyright (C) 2017 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/types.h>
  #include <sys/mount.h>
  #include <syslog.h>
  
  #ifdef CONFIG_VIDEO_FB
  #  include <nuttx/video/fb.h>
  #endif
  
  #ifdef CONFIG_BUTTONS_LOWER
  #  include <nuttx/input/buttons.h>
  #endif
  
  #include "lpcxpresso-lpc54628.h"
  
  /****************************************************************************
   * Public Functions
   ****************************************************************************/
  
  /****************************************************************************
   * Name: lpc54_bringup
   *
   * Description:
   *   Perform architecture-specific initialization
   *
   *   CONFIG_BOARD_INITIALIZE=y :
   *     Called from board_initialize().
   *
   *   CONFIG_BOARD_INITIALIZE=n && CONFIG_LIB_BOARDCTL=y :
   *     Called from the NSH library
   *
   ****************************************************************************/
  
  int lpc54_bringup(void)
  {
    int ret;
  
  #ifdef CONFIG_FS_PROCFS
    /* Mount the procfs file system */
  
    ret = mount(NULL, "/proc", "procfs", 0, NULL);
    if (ret < 0)
      {
        syslog(LOG_ERR, "ERROR: Failed to mount procfs at /proc: %d\n", ret);
      }
  #endif
  
  #ifdef HAVE_I2CTOOL
    /* Register I2C drivers on behalf of the I2C tool */
  
    lpc54_i2ctool();
  #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_FT5x06
    /* Register the FT5x06 touch panel driver */
  
    ret = lpc54_ft5x06_register();
    if (ret < 0)
      {
        syslog(LOG_ERR, "ERROR: lpc54_ft5x06_register() failed: %d\n", ret);
      }
  #endif
  
  #ifdef CONFIG_BUTTONS_LOWER
    /* 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
  
    UNUSED(ret);
    return OK;
  }
  