132 lines
4.2 KiB
C
132 lines
4.2 KiB
C
/****************************************************************************
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* config/pic32mz-starterkit/src/pic32mz_bringup.c
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*
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* Copyright (C) 2015 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <syslog.h>
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#include <errno.h>
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#include <nuttx/spi/spi.h>
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#include <nuttx/mmcsd.h>
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#include "pic32mz-starterkit.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nsh_sdinitialize
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*
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* Description:
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* Initialize SPI-based microSD.
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*
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****************************************************************************/
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#ifdef PIC32MZ_HAVE_MMCSD
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static int nsh_sdinitialize(void)
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{
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FAR struct spi_dev_s *spi;
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int ret;
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/* Get the SPI port */
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spi = up_spiinitialize(PIC32MZ_MMCSDSPIPORTNO);
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if (!spi)
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{
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syslog(LOG_ERR, "ERROR: Failed to initialize SPI port %d\n",
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PIC32MZ_MMCSDSPIPORTNO);
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ret = -ENODEV;
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goto errout;
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}
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syslog(LOG_INFO, "Successfully initialized SPI port %d\n",
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PIC32MZ_MMCSDSPIPORTNO);
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/* Bind the SPI port to the slot */
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ret = mmcsd_spislotinitialize(PIC32MZ_MMCSDMINOR, PIC32MZ_MMCSLOTNO, spi);
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if (ret < 0)
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{
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syslog(LOG_ERR,
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"ERROR: Failed to bind SPI port %d to MMC/SD slot %d: %d\n",
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PIC32MZ_MMCSDSPIPORTNO, PIC32MZ_MMCSLOTNO, ret);
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goto errout;
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}
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syslog(LOG_INFO, "Successfully bound SPI port %d to MMC/SD slot %d\n",
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PIC32MZ_MMCSDSPIPORTNO, PIC32MZ_MMCSLOTNO);
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return OK;
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errout:
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return ret;
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}
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#else
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# define nsh_sdinitialize() (OK)
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: pic32mz_bringup
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*
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* Description:
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* Bring up board features
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*
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****************************************************************************/
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int pic32mz_bringup(void)
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{
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int ret;
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/* Initialize SPI-based microSD */
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ret = nsh_sdinitialize();
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return ret;
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}
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