166 lines
5.3 KiB
C
166 lines
5.3 KiB
C
/****************************************************************************
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* config/ea3152/src/up_nsh.c
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* arch/arm/src/board/up_nsh.c
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*
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* Copyright (C) 2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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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 <stdbool.h>
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#include <stdio.h>
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#include <debug.h>
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#include <errno.h>
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#ifdef CONFIG_LPC31XX_MCI
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# include <nuttx/sdio.h>
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# include <nuttx/mmcsd.h>
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#endif
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#include "lpc31_internal.h"
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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/* PORT and SLOT number probably depend on the board configuration */
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#ifdef CONFIG_ARCH_BOARD_EA3152
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# define CONFIG_NSH_HAVEUSBDEV 1
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# define CONFIG_NSH_HAVEMMCSD 1
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# if defined(CONFIG_NSH_MMCSDSLOTNO) && CONFIG_NSH_MMCSDSLOTNO != 0
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# error "Only one MMC/SD slot"
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# undef CONFIG_NSH_MMCSDSLOTNO
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# endif
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# ifndef CONFIG_NSH_MMCSDSLOTNO
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# define CONFIG_NSH_MMCSDSLOTNO 0
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# endif
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#else
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/* Add configuration for new LPC31XX boards here */
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# error "Unrecognized LPC31XX board"
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# undef CONFIG_NSH_HAVEUSBDEV
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# undef CONFIG_NSH_HAVEMMCSD
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#endif
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/* Can't support USB features if USB is not enabled */
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#ifndef CONFIG_USBDEV
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# undef CONFIG_NSH_HAVEUSBDEV
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#endif
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/* Can't support MMC/SD features if mountpoints are disabled or if SDIO support
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* is not enabled.
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*/
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#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_LPC31XX_MCI)
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# undef CONFIG_NSH_HAVEMMCSD
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#endif
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#ifndef CONFIG_NSH_MMCSDMINOR
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# define CONFIG_NSH_MMCSDMINOR 0
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#endif
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/* Debug ********************************************************************/
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#ifdef CONFIG_CPP_HAVE_VARARGS
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# ifdef CONFIG_DEBUG
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# define message(...) lib_lowprintf(__VA_ARGS__)
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# else
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# define message(...) printf(__VA_ARGS__)
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# endif
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#else
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# ifdef CONFIG_DEBUG
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# define message lib_lowprintf
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# else
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# define message printf
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# endif
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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: nsh_archinitialize
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*
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* Description:
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* Perform architecture specific initialization
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*
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****************************************************************************/
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int nsh_archinitialize(void)
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{
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#ifdef CONFIG_NSH_HAVEMMCSD
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FAR struct sdio_dev_s *sdio;
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int ret;
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/* First, get an instance of the SDIO interface */
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message("nsh_archinitialize: Initializing SDIO slot %d\n",
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CONFIG_NSH_MMCSDSLOTNO);
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sdio = sdio_initialize(CONFIG_NSH_MMCSDSLOTNO);
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if (!sdio)
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{
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message("nsh_archinitialize: Failed to initialize SDIO slot %d\n",
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CONFIG_NSH_MMCSDSLOTNO);
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return -ENODEV;
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}
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/* Now bind the SPI interface to the MMC/SD driver */
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message("nsh_archinitialize: Bind SDIO to the MMC/SD driver, minor=%d\n",
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CONFIG_NSH_MMCSDMINOR);
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ret = mmcsd_slotinitialize(CONFIG_NSH_MMCSDMINOR, sdio);
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if (ret != OK)
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{
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message("nsh_archinitialize: Failed to bind SDIO to the MMC/SD driver: %d\n", ret);
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return ret;
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}
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message("nsh_archinitialize: Successfully bound SDIO to the MMC/SD driver\n");
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/* Then let's guess and say that there is a card in the slot. I need to check to
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* see if the LPC313X10E-EVAL board supports a GPIO to detect if there is a card in
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* the slot.
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*/
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sdio_mediachange(sdio, true);
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#endif
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return OK;
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}
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