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/****************************************************************************
* configs/teensy/src/up_usbmsc.c
* arch/arm/src/board/up_usbmsc.c
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Configure and register the AVR MMC/SD SPI block driver.
*
* 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 <debug.h>
#include <errno.h>
#include <nuttx/spi.h>
#include <nuttx/mmcsd.h>
#include "at90usb_internal.h"
#include "teensy_internal.h"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
#ifndef CONFIG_EXAMPLES_USBMSC_DEVMINOR1
# define CONFIG_EXAMPLES_USBMSC_DEVMINOR1 0
#endif
/* PORT and SLOT number probably depend on the board configuration */
#ifdef CONFIG_ARCH_BOARD_TEENSY
# undef AVR_MMCSDSPIPORTNO
# define AVR_MMCSDSPIPORTNO 0
# undef AVR_MMCSDSLOTNO
# define AVR_MMCSDSLOTNO 0
#else
/* Add configuration for new AVR boards here */
# error "Unrecognized AVR board"
#endif
/* Debug ********************************************************************/
#ifdef CONFIG_CPP_HAVE_VARARGS
# ifdef CONFIG_DEBUG
# define message(...) lib_lowprintf(__VA_ARGS__)
# define msgflush()
# else
# define message(...) printf(__VA_ARGS__)
# define msgflush() fflush(stdout)
# endif
#else
# ifdef CONFIG_DEBUG
# define message lib_lowprintf
# define msgflush()
# else
# define message printf
# define msgflush() fflush(stdout)
# endif
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: usbmsc_archinitialize
*
* Description:
* Perform architecture specific initialization
*
****************************************************************************/
int usbmsc_archinitialize(void)
{
FAR struct spi_dev_s *spi;
int ret;
/* Get the SPI port */
message("Initializing SPI port\n");
spi = up_spiinitialize(AVR_MMCSDSPIPORTNO);
if (!spi)
{
message("up_spiinitialize failed\n");
return -ENODEV;
}
/* Bind the SPI port to the slot */
message("Binding SPI port to MMC/SD slot\n");
ret = mmcsd_spislotinitialize(CONFIG_EXAMPLES_USBMSC_DEVMINOR1, AVR_MMCSDSLOTNO, spi);
if (ret < 0)
{
message("mmcsd_spislotinitialize failed: %d\n", ret);
return ret;
}
return OK;
}
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