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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-12-31 22:30:26 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-12-31 22:30:26 +0000 |
commit | 498595a9ffe6fce1371de163ed0057c2afbd9436 (patch) | |
tree | 3334ddb7c1388bb6947bbb1acd07ca23e3bfeafb /nuttx/configs/sam3u-ek/src/up_nsh.c | |
parent | bed6910a5b84a3267294ca3b136881b86ee7dbf2 (diff) | |
download | px4-nuttx-498595a9ffe6fce1371de163ed0057c2afbd9436.tar.gz px4-nuttx-498595a9ffe6fce1371de163ed0057c2afbd9436.tar.bz2 px4-nuttx-498595a9ffe6fce1371de163ed0057c2afbd9436.zip |
Add basic framework for SAM3U
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2473 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs/sam3u-ek/src/up_nsh.c')
-rwxr-xr-x | nuttx/configs/sam3u-ek/src/up_nsh.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/nuttx/configs/sam3u-ek/src/up_nsh.c b/nuttx/configs/sam3u-ek/src/up_nsh.c new file mode 100755 index 000000000..1049a9bf7 --- /dev/null +++ b/nuttx/configs/sam3u-ek/src/up_nsh.c @@ -0,0 +1,209 @@ +/**************************************************************************** + * config/sam3u-ek/src/up_nsh.c + * arch/arm/src/board/up_nsh.c + * + * Copyright (C) 2009 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * 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 <nuttx/config.h> + +#include <stdbool.h> +#include <stdio.h> +#include <debug.h> +#include <errno.h> + +#ifdef CONFIG_SAM3U_SPI1 +# include <nuttx/spi.h> +# include <nuttx/mtd.h> +#endif + +#ifdef CONFIG_SAM3U_SDIO +# include <nuttx/sdio.h> +# include <nuttx/mmcsd.h> +#endif + +#include "sam3u_internal.h" + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ + +/* Configuration ************************************************************/ + +/* PORT and SLOT number probably depend on the board configuration */ + +#ifdef CONFIG_ARCH_BOARD_SAM3U_EK +# define CONFIG_EXAMPLES_NSH_HAVEUSBDEV 1 +# define CONFIG_EXAMPLES_NSH_HAVEMMCSD 1 +# if defined(CONFIG_EXAMPLES_NSH_MMCSDSLOTNO) && CONFIG_EXAMPLES_NSH_MMCSDSLOTNO != 0 +# error "Only one MMC/SD slot" +# undef CONFIG_EXAMPLES_NSH_MMCSDSLOTNO +# endif +# ifndef CONFIG_EXAMPLES_NSH_MMCSDSLOTNO +# define CONFIG_EXAMPLES_NSH_MMCSDSLOTNO 0 +# endif +#else + /* Add configuration for new SAM3U boards here */ +# error "Unrecognized SAM3U board" +# undef CONFIG_EXAMPLES_NSH_HAVEUSBDEV +# undef CONFIG_EXAMPLES_NSH_HAVEMMCSD +#endif + +/* Can't support USB features if USB is not enabled */ + +#ifndef CONFIG_USBDEV +# undef CONFIG_EXAMPLES_NSH_HAVEUSBDEV +#endif + +/* Can't support MMC/SD features if mountpoints are disabled or if SDIO support + * is not enabled. + */ + +#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_SAM3U_SDIO) +# undef CONFIG_EXAMPLES_NSH_HAVEMMCSD +#endif + +#ifndef CONFIG_EXAMPLES_NSH_MMCSDMINOR +# define CONFIG_EXAMPLES_NSH_MMCSDMINOR 0 +#endif + +/* Debug ********************************************************************/ + +#ifdef CONFIG_CPP_HAVE_VARARGS +# ifdef CONFIG_DEBUG +# define message(...) lib_lowprintf(__VA_ARGS__) +# else +# define message(...) printf(__VA_ARGS__) +# endif +#else +# ifdef CONFIG_DEBUG +# define message lib_lowprintf +# else +# define message printf +# endif +#endif + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nsh_archinitialize + * + * Description: + * Perform architecture specific initialization + * + ****************************************************************************/ + +int nsh_archinitialize(void) +{ +#ifdef CONFIG_SAM3U_SPI1 + FAR struct spi_dev_s *spi; + FAR struct mtd_dev_s *mtd; +#endif +#ifdef CONFIG_EXAMPLES_NSH_HAVEMMCSD + FAR struct sdio_dev_s *sdio; + int ret; +#endif + + /* Configure SPI-based devices */ + +#ifdef CONFIG_SAM3U_SPI1 + /* Get the SPI port */ + + message("nsh_archinitialize: Initializing SPI port 0\n"); + spi = up_spiinitialize(0); + if (!spi) + { + message("nsh_archinitialize: Failed to initialize SPI port 0\n"); + return -ENODEV; + } + message("nsh_archinitialize: Successfully initialized SPI port 0\n"); + + /* Now bind the SPI interface to the M25P64/128 SPI FLASH driver */ + + message("nsh_archinitialize: Bind SPI to the SPI flash driver\n"); + mtd = m25p_initialize(spi); + if (!mtd) + { + message("nsh_archinitialize: Failed to bind SPI port 0 to the SPI FLASH driver\n"); + return -ENODEV; + } + message("nsh_archinitialize: Successfully bound SPI port 0 to the SPI FLASH driver\n"); +#warning "Now what are we going to do with this SPI FLASH driver?" +#endif + + /* Create the SPI FLASH MTD instance */ + /* The M25Pxx is not a give media to implement a file system.. + * its block sizes are too large + */ + + /* Mount the SDIO-based MMC/SD block driver */ + +#ifdef CONFIG_EXAMPLES_NSH_HAVEMMCSD + /* First, get an instance of the SDIO interface */ + + message("nsh_archinitialize: Initializing SDIO slot %d\n", + CONFIG_EXAMPLES_NSH_MMCSDSLOTNO); + sdio = sdio_initialize(CONFIG_EXAMPLES_NSH_MMCSDSLOTNO); + if (!sdio) + { + message("nsh_archinitialize: Failed to initialize SDIO slot %d\n", + CONFIG_EXAMPLES_NSH_MMCSDSLOTNO); + return -ENODEV; + } + + /* Now bind the SPI interface to the MMC/SD driver */ + + message("nsh_archinitialize: Bind SDIO to the MMC/SD driver, minor=%d\n", + CONFIG_EXAMPLES_NSH_MMCSDMINOR); + ret = mmcsd_slotinitialize(CONFIG_EXAMPLES_NSH_MMCSDMINOR, sdio); + if (ret != OK) + { + message("nsh_archinitialize: Failed to bind SDIO to the MMC/SD driver: %d\n", ret); + return ret; + } + message("nsh_archinitialize: 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 SAM3U10E-EVAL board supports a GPIO to detect if there is a card in + * the slot. + */ + + sdio_mediachange(sdio, true); +#endif + return OK; +} |