/****************************************************************************
* config/stm3240g_eval/src/up_nsh.c
* arch/arm/src/board/up_nsh.c
*
* Copyright (C) 2012 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 <stdbool.h>
#include <stdio.h>
#include <debug.h>
#include <errno.h>
#ifdef CONFIG_STM32_SPI1
# include <nuttx/spi/spi.h>
# include <nuttx/mtd.h>
#endif
#ifdef CONFIG_STM32_SDIO
# include <nuttx/sdio.h>
# include <nuttx/mmcsd.h>
#endif
#ifdef CONFIG_STM32_OTGFS
# include "stm32_usbhost.h"
#endif
#include "stm32.h"
#include "stm3240g-internal.h"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
/* For now, don't build in any SPI1 support -- NSH is not using it */
#undef CONFIG_STM32_SPI1
/* Assume that we support everything until convinced otherwise */
#define HAVE_MMCSD 1
#define HAVE_USBDEV 1
#define HAVE_USBHOST 1
/* Can't support MMC/SD features if mountpoints are disabled or if SDIO support
* is not enabled.
*/
#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_STM32_SDIO)
# undef HAVE_MMCSD
#endif
/* Default MMC/SD minor number */
#ifdef HAVE_MMCSD
# ifndef CONFIG_NSH_MMCSDMINOR
# define CONFIG_NSH_MMCSDMINOR 0
# endif
/* Default MMC/SD SLOT number */
# if defined(CONFIG_NSH_MMCSDSLOTNO) && CONFIG_NSH_MMCSDSLOTNO != 0
# error "Only one MMC/SD slot"
# undef CONFIG_NSH_MMCSDSLOTNO
# endif
# ifndef CONFIG_NSH_MMCSDSLOTNO
# define CONFIG_NSH_MMCSDSLOTNO 0
# endif
#endif
/* Can't support USB host or device features if USB OTG FS is not enabled */
#ifndef CONFIG_STM32_OTGFS
# undef HAVE_USBDEV
# undef HAVE_USBHOST
#endif
/* Can't support USB device is USB device is not enabled */
#ifndef CONFIG_USBDEV
# undef HAVE_USBDEV
#endif
/* Can't support USB host is USB host is not enabled */
#ifndef CONFIG_USBHOST
# undef HAVE_USBHOST
#endif
/* Debug ********************************************************************/
#ifdef CONFIG_CPP_HAVE_VARARGS
# ifdef CONFIG_DEBUG
# define message(...) lowsyslog(__VA_ARGS__)
# else
# define message(...) printf(__VA_ARGS__)
# endif
#else
# ifdef CONFIG_DEBUG
# define message lowsyslog
# else
# define message printf
# endif
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nsh_archinitialize
*
* Description:
* Perform architecture specific initialization
*
****************************************************************************/
int nsh_archinitialize(void)
{
#ifdef CONFIG_STM32_SPI1
FAR struct spi_dev_s *spi;
FAR struct mtd_dev_s *mtd;
#endif
#ifdef HAVE_MMCSD
FAR struct sdio_dev_s *sdio;
#endif
#if defined(HAVE_MMCSD) || defined(HAVE_USBHOST)
int ret;
#endif
/* Configure SPI-based devices */
#ifdef CONFIG_STM32_SPI1
/* Get the SPI port */
spi = up_spiinitialize(1);
if (!spi)
{
message("nsh_archinitialize: Failed to initialize SPI port 0\n");
return -ENODEV;
}
/* Now bind the SPI interface to the M25P64/128 SPI FLASH driver */
mtd = m25p_initialize(spi);
if (!mtd)
{
message("nsh_archinitialize: Failed to bind SPI port 0 to the SPI FLASH driver\n");
return -ENODEV;
}
#warning "Now what are we going to do with this SPI FLASH driver?"
#endif
/* Mount the SDIO-based MMC/SD block driver */
#ifdef HAVE_MMCSD
/* First, get an instance of the SDIO interface */
sdio = sdio_initialize(CONFIG_NSH_MMCSDSLOTNO);
if (!sdio)
{
message("nsh_archinitialize: Failed to initialize SDIO slot %d\n",
CONFIG_NSH_MMCSDSLOTNO);
return -ENODEV;
}
/* Now bind the SDIO interface to the MMC/SD driver */
ret = mmcsd_slotinitialize(CONFIG_NSH_MMCSDMINOR, sdio);
if (ret != OK)
{
message("nsh_archinitialize: Failed to bind SDIO to the MMC/SD driver: %d\n", ret);
return ret;
}
/* Then let's guess and say that there is a card in the slot. I need to check to
* see if the STM3240G-EVAL board supports a GPIO to detect if there is a card in
* the slot.
*/
sdio_mediachange(sdio, true);
#endif
#ifdef HAVE_USBHOST
/* Initialize USB host operation. stm32_usbhost_initialize() starts a thread
* will monitor for USB connection and disconnection events.
*/
ret = stm32_usbhost_initialize();
if (ret != OK)
{
message("nsh_archinitialize: Failed to initialize USB host: %d\n", ret);
return ret;
}
#endif
return OK;
}