/**************************************************************************** * configs/olimex-lpc-h3131/src/lpc31_mmcsd.c * * Copyright (C) 2013 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #include #include #include #include #include #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 */