/**************************************************************************** * config/fire-stm32v2/src/up_mmcsd.c * arch/arm/src/board/up_mmcsd.c * * Copyright (C) 2012 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 "fire-internal.h" /**************************************************************************** * Pre-Processor Definitions ****************************************************************************/ /* Configuration ************************************************************/ #define HAVE_MMCSD 1 /* Assume that we have SD support */ #define STM32_MMCSDSLOTNO 0 /* There is only one slot */ /* Can't support MMC/SD features if the SDIO peripheral is disabled */ #ifndef CONFIG_STM32_SDIO # undef HAVE_MMCSD #endif /* Can't support MMC/SD features if mountpoints are disabled */ #ifndef CONFIG_DISABLE_MOUNTPOINT # undef HAVE_MMCSD #endif /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: stm32_sdinitialize * * Description: * Initialize the SPI-based SD card. Requires CONFIG_DISABLE_MOUNTPOINT=n * and CONFIG_STM32_SPI1=y * ****************************************************************************/ int stm32_sdinitialize(int minor) { #ifdef HAVE_MMCSD FAR struct sdio_dev_s *sdio; int ret; /* First, get an instance of the SDIO interface */ sdio = sdio_initialize(STM32_MMCSDSLOTNO); if (!sdio) { message("Failed to initialize SDIO slot %d\n", STM32_MMCSDSLOTNO); return -ENODEV; } fvdbg("Initialized SDIO slot %d\n", STM32_MMCSDSLOTNO); /* Now bind the SDIO interface to the MMC/SD driver */ ret = mmcsd_slotinitialize(minor, sdio); if (ret != OK) { message("Failed to bind SDIO slot %d to the MMC/SD driver, minor=%d\n", STM32_MMCSDSLOTNO, minor); } fvdbg("Bound SDIO slot %d to the MMC/SD driver, minor=%d\n", STM32_MMCSDSLOTNO, minor); /* Then let's guess and say that there is a card in the slot. I need to check to * see if the M3 Wildfire board supports a GPIO to detect if there is a card in * the slot. */ sdio_mediachange(sdio, true); #endif return OK; }