117 lines
3.9 KiB
C
117 lines
3.9 KiB
C
/****************************************************************************
|
|
* configs/teensy/src/at90usb_usbmsc.c
|
|
*
|
|
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
*
|
|
* 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 <syslog.h>
|
|
#include <errno.h>
|
|
|
|
#include <nuttx/spi/spi.h>
|
|
#include <nuttx/mmcsd.h>
|
|
|
|
#include "at90usb_internal.h"
|
|
#include "teensy_internal.h"
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/* Configuration ************************************************************/
|
|
|
|
#ifndef CONFIG_SYSTEM_USBMSC_DEVMINOR1
|
|
# define CONFIG_SYSTEM_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
|
|
|
|
/****************************************************************************
|
|
* 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 */
|
|
|
|
syslog(LOG_INFO, "Initializing SPI port\n");
|
|
|
|
spi = up_spiinitialize(AVR_MMCSDSPIPORTNO);
|
|
if (!spi)
|
|
{
|
|
syslog(LOG_ERR, "ERROR: up_spiinitialize failed\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
/* Bind the SPI port to the slot */
|
|
|
|
syslog(LOG_INFO, "Binding SPI port to MMC/SD slot\n");
|
|
|
|
ret = mmcsd_spislotinitialize(CONFIG_SYSTEM_USBMSC_DEVMINOR1, AVR_MMCSDSLOTNO, spi);
|
|
if (ret < 0)
|
|
{
|
|
syslog(LOG_ERR, "ERROR: mmcsd_spislotinitialize failed: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
return OK;
|
|
}
|