text: /****************************************************************************
   * boards/arm/tiva/lm3s6965-ek/src/lm_bringup.c
   *
   * 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 <nuttx/board.h>
  #include <nuttx/spi/spi.h>
  #include <nuttx/mmcsd.h>
  
  #include <debug.h>
  #include <stdio.h>
  #include <syslog.h>
  #include <errno.h>
  
  #include <nuttx/fs/fs.h>
  
  #include "lm3s6965-ek.h"
  #include "tiva_ssi.h"
  
  /****************************************************************************
   * Pre-processor Definitions
   ****************************************************************************/
  
  /* Configuration ************************************************************/
  
  #define NSH_HAVEMMCSD  1
  
  /* Can't support MMC/SD features if mountpoints or MMC/SPI are disabled */
  
  #if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_MMCSD_SPI)
  #  undef NSH_HAVEMMCSD
  #endif
  
  /* PORT and SLOT number depend on the board configuration */
  
  #ifdef CONFIG_NSH_ARCHINIT
  #  if !defined(CONFIG_NSH_MMCSDSPIPORTNO) || CONFIG_NSH_MMCSDSPIPORTNO != 0
  #    error "The LM3S6965 Eval Kit MMC/SD is on SSI0"
  #    undef CONFIG_NSH_MMCSDSPIPORTNO
  #    define CONFIG_NSH_MMCSDSPIPORTNO 0
  #  endif
  #  if !defined(CONFIG_NSH_MMCSDSLOTNO) || CONFIG_NSH_MMCSDSLOTNO != 0
  #    error "The LM3S6965 Eval Kit MMC/SD is on SSI0 slot 0"
  #    undef CONFIG_NSH_MMCSDSLOTNO
  #    define CONFIG_NSH_MMCSDSLOTNO 0
  #  endif
  #  ifndef CONFIG_NSH_MMCSDMINOR
  #    define CONFIG_NSH_MMCSDMINOR 0
  #  endif
  #else
  #  undef  CONFIG_NSH_MMCSDSPIPORTNO
  #  define CONFIG_NSH_MMCSDSPIPORTNO 0
  #  undef  CONFIG_NSH_MMCSDSLOTNO
  #  define CONFIG_NSH_MMCSDSLOTNO 0
  #  undef  CONFIG_NSH_MMCSDMINOR
  #  define CONFIG_NSH_MMCSDMINOR 0
  #endif
  
  /****************************************************************************
   * Public Functions
   ****************************************************************************/
  
  /****************************************************************************
   * Name: lm_bringup
   *
   * Description:
   *   Bring up board features
   *
   ****************************************************************************/
  
  int lm_bringup(void)
  {
    int ret = 0;
  
  #ifdef NSH_HAVEMMCSD
    FAR struct spi_dev_s *spi;
  
    /* Get the SPI port */
  
    mcinfo("Initializing SPI port %d\n", CONFIG_NSH_MMCSDSPIPORTNO);
  
    spi = tiva_ssibus_initialize(CONFIG_NSH_MMCSDSPIPORTNO);
    if (!spi)
      {
        mcerr("ERROR: Failed to initialize SPI port %d\n",
               CONFIG_NSH_MMCSDSPIPORTNO);
        return -ENODEV;
      }
  
    mcinfo("Successfully initialized SPI port %d\n",
           CONFIG_NSH_MMCSDSPIPORTNO);
  
    /* Bind the SPI port to the slot */
  
    mcinfo("Binding SPI port %d to MMC/SD slot %d\n",
           CONFIG_NSH_MMCSDSPIPORTNO, CONFIG_NSH_MMCSDSLOTNO);
  
    ret = mmcsd_spislotinitialize(CONFIG_NSH_MMCSDMINOR,
                                  CONFIG_NSH_MMCSDSLOTNO, spi);
    if (ret < 0)
      {
        mcerr("ERROR: Failed to bind SPI port %d to MMC/SD slot %d: %d\n",
               CONFIG_NSH_MMCSDSPIPORTNO, CONFIG_NSH_MMCSDSLOTNO, ret);
        return ret;
      }
  
    mcinfo("Successfully bound SPI port %d to MMC/SD slot %d\n",
           CONFIG_NSH_MMCSDSPIPORTNO, CONFIG_NSH_MMCSDSLOTNO);
  #endif
  
  #ifdef CONFIG_FS_BINFS
    /* Mount the binfs file system */
  
    ret = nx_mount(NULL, "/bin", "binfs", 0, NULL);
    if (ret < 0)
      {
        syslog(LOG_ERR, "ERROR: Failed to mount binfs at /bin: %d\n", ret);
      }
  #endif
  
  #ifdef CONFIG_FS_PROCFS
    /* Mount the procfs file system */
  
    ret = nx_mount(NULL, LM_PROCFS_MOUNTPOINT, "procfs", 0, NULL);
    if (ret < 0)
      {
        syslog(LOG_ERR, "ERROR: Failed to mount procfs at %s: %d\n",
               LM_PROCFS_MOUNTPOINT, ret);
      }
  #endif
  
  #ifdef CONFIG_FS_TMPFS
    /* Mount the tmpfs file system */
  
    ret = nx_mount(NULL, CONFIG_LIBC_TMPDIR, "tmpfs", 0, NULL);
    if (ret < 0)
      {
        syslog(LOG_ERR, "ERROR: Failed to mount tmpfs at %s: %d\n",
               CONFIG_LIBC_TMPDIR, ret);
      }
  #endif
  
    return ret;
  }
  