109 lines
3.7 KiB
C
109 lines
3.7 KiB
C
/****************************************************************************
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* configs/sama5d3-xplained/src/sam_usbmsc.c
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*
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* Copyright (C) 2014, 2016 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Configure and register the SAM3U MMC/SD SDIO block driver.
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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 <syslog.h>
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#include <errno.h>
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#include <nuttx/board.h>
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#include "sama5d3-xplained.h"
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#ifdef CONFIG_USBMSC
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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#ifndef HAVE_AT25
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# error AT25 Serial FLASH not supported
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#endif
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#ifndef CONFIG_SAMA5D3XPLAINED_AT25_FTL
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# error AT25 FTL support required (CONFIG_SAMA5D3XPLAINED_AT25_FTL)
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# undef HAVE_AT25
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#endif
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#ifndef CONFIG_SYSTEM_USBMSC_DEVMINOR1
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# define CONFIG_SYSTEM_USBMSC_DEVMINOR1 0
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#endif
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#if CONFIG_SYSTEM_USBMSC_DEVMINOR1 != AT25_MINOR
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# error Confusion in the assignment of minor device numbers
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# undef HAVE_AT25
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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: board_usbmsc_initialize
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*
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* Description:
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* Perform architecture specific initialization as needed to establish
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* the mass storage device that will be exported by the USB MSC device.
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*
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****************************************************************************/
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int board_usbmsc_initialize(int port)
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{
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/* Initialize the AT25 MTD driver */
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#ifdef HAVE_AT25
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int ret = sam_at25_automount(AT25_MINOR);
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: sam_at25_automount failed: %d\n", ret);
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}
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return ret;
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#else
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return -ENODEV;
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#endif
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}
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#endif /* CONFIG_USBMSC */
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