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/************************************************************************************
* configs/olimexino-stm32/src/stm32_usbmsc.c
*
* Copyright (C) 2015 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
* David Sidrane <david_s5@nscdg.com>
*
* 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 <stdio.h>
#include <syslog.h>
#include <errno.h>
#include <nuttx/spi/spi.h>
#include <nuttx/mmcsd.h>
#include "stm32.h"
#include "olimexino-stm32.h"
/* There is nothing to do here if SPI support is not selected. */
#ifdef CONFIG_STM32_SPI
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
/* Configuration ************************************************************/
#ifndef CONFIG_SYSTEM_USBMSC_DEVMINOR1
# define CONFIG_SYSTEM_USBMSC_DEVMINOR1 0
#endif
/* SLOT number(s) could depend on the board configuration */
#ifdef CONFIG_ARCH_BOARD_OLIMEXINO_STM32
# undef OLIMEXINO_STM32_MMCSDSLOTNO
# define OLIMEXINO_STM32_MMCSDSLOTNO 0
# undef OLIMEXINO_STM32_MMCSDSPIPORTNO
# define OLIMEXINO_STM32_MMCSDSPIPORTNO 2
#else
/* Add configuration for new STM32 boards here */
# error "Unrecognized STM32 board"
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: usbmsc_archinitialize
*
* Description:
* Perform architecture specific initialization
*
****************************************************************************/
int usbmsc_archinitialize(void)
{
/* If system/usbmsc is built as an NSH command, then SD slot should
* already have been initialized in board_app_initialize() (see stm32_nsh.c).
* In this case, there is nothing further to be done here.
*/
FAR struct spi_dev_s *spi;
int ret;
/* First, get an instance of the SPI interface */
syslog(LOG_INFO, "Initializing SPI port %d\n",
OLIMEXINO_STM32_MMCSDSPIPORTNO);
spi = up_spiinitialize(OLIMEXINO_STM32_MMCSDSPIPORTNO);
if (!spi)
{
syslog(LOG_ERR, "ERROR: Failed to initialize SPI port %d\n",
OLIMEXINO_STM32_MMCSDSPIPORTNO);
return -ENODEV;
}
syslog(LOG_INFO, "Successfully initialized SPI port %d\n",
OLIMEXINO_STM32_MMCSDSPIPORTNO);
/* Now bind the SPI interface to the MMC/SD driver */
syslog(LOG_INFO, "Bind SPI to the MMC/SD driver, minor=%d slot=%d\n",
CONFIG_SYSTEM_USBMSC_DEVMINOR1, OLIMEXINO_STM32_MMCSDSLOTNO);
ret = mmcsd_spislotinitialize(CONFIG_SYSTEM_USBMSC_DEVMINOR1,
OLIMEXINO_STM32_MMCSDSLOTNO, spi);
if (ret < 0)
{
syslog(LOG_ERR,
"ERROR: Failed to bind SPI port %d to MMC/SD minor=%d slot=%d %d\n",
OLIMEXINO_STM32_MMCSDSPIPORTNO, CONFIG_SYSTEM_USBMSC_DEVMINOR1,
OLIMEXINO_STM32_MMCSDSLOTNO, ret);
return ret;
}
syslog(LOG_INFO, "Successfully bound SPI to the MMC/SD driver\n");
return OK;
}
#endif /* CONFIG_STM32_SPI */
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