text: /****************************************************************************
   * boards/arm/lpc31xx/olimex-lpc-h3131/src/lpc31_boot.c
   *
   *   Copyright (C) 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 <debug.h>
  
  #include <nuttx/board.h>
  #include <arch/board/board.h>
  
  #include "up_arch.h"
  #include "up_internal.h"
  #include "lpc31.h"
  #include "lpc_h3131.h"
  
  /****************************************************************************
   * Pre-processor Definitions
   ****************************************************************************/
  
  /****************************************************************************
   * Private Functions
   ****************************************************************************/
  
  /****************************************************************************
   * Public Functions
   ****************************************************************************/
  
  /****************************************************************************
   * Name: lpc31_boardinitialize
   *
   * Description:
   *   All LPC31XX architectures must provide the following entry point.
   *   This entry point is called early in the intitialization -- after all
   *   memory has been configured and mapped but before any devices have been
   *   initialized.
   *
   ****************************************************************************/
  
  void lpc31_boardinitialize(void)
  {
    /* Initialize configured, external memory resources */
  
  #ifdef CONFIG_LPC31_EXTDRAM
    lpc31_meminitialize();
  #endif
  
    /* Configure SPI chip selects if 1) SPI is not disabled, and 2) the weak
     * function lpc31_spidev_initialize() has been brought into the link.
     */
  
  #if defined(CONFIG_LPC31_SPI)
    if (lpc31_spidev_initialize)
      {
        lpc31_spidev_initialize();
      }
  #endif
  
    /* Initialize USB is 1) USBDEV is selected, 2) the USB controller is not
     * disabled, and 3) the weak function lpc31_usbdev_initialize() has
     * been brought into the build.
     */
  
  #ifdef HAVE_USBDEV
    if (lpc31_usbdev_initialize)
      {
        lpc31_usbdev_initialize();
      }
  #endif
  
    /* Initialize USB if the 1) the HS host or device controller is in the
     * configuration and 2) the weak function lpc31_usbhost_bootinitialize()
     * has been brought into the build. Presumably either CONFIG_USBDEV or
     * CONFIG_USBHOST is also selected.
     */
  
  #ifdef HAVE_USBHOST
    lpc31_usbhost_bootinitialize();
  #endif
  
    /* Configure on-board LEDs in all cases */
  
    board_autoled_initialize();
  }
  