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159 lines
5.3 KiB
159 lines
5.3 KiB
/**************************************************************************** |
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* config/lm3s8962-ek/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 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr> |
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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.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_LM3S8962EK |
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# undef CONFIG_NSH_HAVEUSBDEV |
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# define CONFIG_NSH_HAVEMMCSD 1 |
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# if !defined(CONFIG_NSH_MMCSDSPIPORTNO) || CONFIG_NSH_MMCSDSPIPORTNO != 0 |
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# error "The LM3S8962 Eval Kit MMC/SD is on SSI0" |
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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 LM3S8962 Eval Kit MMC/SD is on SSI0 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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#else |
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/* Add configuration for new LM3s boards here */ |
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# error "Unrecognized lm3s 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 */ |
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#if defined(CONFIG_DISABLE_MOUNTPOINT) |
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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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FAR struct spi_dev_s *spi; |
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int ret; |
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/* Get the SPI port */ |
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message("nsh_archinitialize: Initializing SPI port %d\n", |
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CONFIG_NSH_MMCSDSPIPORTNO); |
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spi = up_spiinitialize(CONFIG_NSH_MMCSDSPIPORTNO); |
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if (!spi) |
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{ |
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message("nsh_archinitialize: Failed to initialize SPI 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("nsh_archinitialize: Successfully initialized SPI port %d\n", |
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CONFIG_NSH_MMCSDSPIPORTNO); |
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/* Bind the SPI port to the slot */ |
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message("nsh_archinitialize: Binding SPI port %d to MMC/SD slot %d\n", |
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CONFIG_NSH_MMCSDSPIPORTNO, CONFIG_NSH_MMCSDSLOTNO); |
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ret = mmcsd_spislotinitialize(CONFIG_NSH_MMCSDMINOR, CONFIG_NSH_MMCSDSLOTNO, spi); |
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if (ret < 0) |
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{ |
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message("nsh_archinitialize: Failed to bind SPI 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("nsh_archinitialize: Successfuly bound SPI 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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