165 lines
5.4 KiB
C
165 lines
5.4 KiB
C
/****************************************************************************
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* config/nucleus2g/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) 2010-2011, 2013 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 <stdio.h>
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#include <debug.h>
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#include <errno.h>
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#include <nuttx/spi/spi.h>
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#include <nuttx/mmcsd.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_NUCLEUS2G
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# define NSH_HAVEUSBDEV 1
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# define NSH_HAVEMMCSD 1
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# if !defined(CONFIG_NSH_MMCSDSPIPORTNO) || CONFIG_NSH_MMCSDSPIPORTNO != 0
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# error "The Nucleus-2G MMC/SD is on SSP0"
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# undef CONFIG_NSH_MMCSDSPIPORTNO
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# define CONFIG_NSH_MMCSDSPIPORTNO 0
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# endif
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# if !defined(CONFIG_NSH_MMCSDSLOTNO) || CONFIG_NSH_MMCSDSLOTNO != 0
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# error "The Nucleus-2G MMC/SD is only one slot (0)"
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# undef CONFIG_NSH_MMCSDSLOTNO
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# define CONFIG_NSH_MMCSDSLOTNO 0
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# endif
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# ifndef CONFIG_LPC17_SSP0
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# warning "CONFIG_LPC17_SSP0 is not enabled"
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# endif
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#else
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# error "Unrecognized board"
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# undef NSH_HAVEUSBDEV
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# undef NSH_HAVEMMCSD
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#endif
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/* Can't support USB device features if USB device is not enabled */
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#ifndef CONFIG_USBDEV
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# undef NSH_HAVEUSBDEV
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#endif
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/* Can't support MMC/SD features if mountpoints are disabled */
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#if defined(CONFIG_DISABLE_MOUNTPOINT)
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# undef 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(...) lowsyslog(__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 lowsyslog
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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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* Private Data
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****************************************************************************/
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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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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FAR struct spi_dev_s *ssp;
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int ret;
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/* Get the SSP port */
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ssp = lpc17_sspinitialize(CONFIG_NSH_MMCSDSPIPORTNO);
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if (!ssp)
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{
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message("nsh_archinitialize: Failed to initialize SSP port %d\n",
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CONFIG_NSH_MMCSDSPIPORTNO);
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return -ENODEV;
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}
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message("Successfully initialized SSP port %d\n",
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CONFIG_NSH_MMCSDSPIPORTNO);
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/* Bind the SSP port to the slot */
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ret = mmcsd_spislotinitialize(CONFIG_NSH_MMCSDMINOR, CONFIG_NSH_MMCSDSLOTNO, ssp);
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if (ret < 0)
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{
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message("nsh_archinitialize: Failed to bind SSP port %d to MMC/SD slot %d: %d\n",
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CONFIG_NSH_MMCSDSPIPORTNO, CONFIG_NSH_MMCSDSLOTNO, ret);
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return ret;
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}
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message("Successfuly bound SSP port %d to MMC/SD slot %d\n",
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CONFIG_NSH_MMCSDSPIPORTNO, CONFIG_NSH_MMCSDSLOTNO);
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return OK;
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}
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