109 lines
3.7 KiB
C
109 lines
3.7 KiB
C
/****************************************************************************
|
|
* configs/olimex-lpc-h3131/src/lpc31_mmcsd.c
|
|
*
|
|
* Copyright (C) 2013 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>
|
|
|
|
#include <nuttx/sdio.h>
|
|
#include <nuttx/mmcsd.h>
|
|
|
|
#include "lpc31_internal.h"
|
|
|
|
#include "lpc_h3131.h"
|
|
|
|
#ifdef HAVE_MMCSD
|
|
|
|
/****************************************************************************
|
|
* Pre-Processor Definitions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: lpc31_mmcsd_initialize
|
|
*
|
|
* Description:
|
|
* Create the SDIO-based MMC/SD device
|
|
*
|
|
****************************************************************************/
|
|
|
|
int lpc31_mmcsd_initialize(int slot, int minor)
|
|
{
|
|
FAR struct sdio_dev_s *sdio;
|
|
int ret;
|
|
|
|
/* First, get an instance of the SDIO interface */
|
|
|
|
fvdbg("Initializing SDIO slot %d\n", slot);
|
|
sdio = sdio_initialize(slot);
|
|
if (!sdio)
|
|
{
|
|
fdbg("ERROR: Failed to initialize SDIO slot %d\n", slot);
|
|
return -ENODEV;
|
|
}
|
|
|
|
/* Now bind the SPI interface to the MMC/SD driver */
|
|
|
|
fvdbg("Bind SDIO to the MMC/SD driver, minor=%d\n", minor);
|
|
ret = mmcsd_slotinitialize(minor, sdio);
|
|
if (ret != OK)
|
|
{
|
|
fdbg("ERROR: Failed to bind SDIO to the MMC/SD driver: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
fvdbg("Successfully bound SDIO to the MMC/SD driver\n");
|
|
|
|
/* Then let's guess and say that there is a card in the slot. I need to check to
|
|
* see if the LPC-H3131 board supports a GPIO to detect if there is a card in
|
|
* the slot.
|
|
*/
|
|
|
|
sdio_mediachange(sdio, true);
|
|
return OK;
|
|
}
|
|
|
|
#endif /* HAVE_MMCSD */
|