More support for the Shenzhou board

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5110 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 218 insertions, 0 deletions

diff --git a/nuttx/configs/shenzhou/src/up_nsh.c b/nuttx/configs/shenzhou/src/up_nsh.c
new file mode 100644
index 000000000..3d9ba407f
--- /dev/null
+++ b/nuttx/configs/shenzhou/src/up_nsh.c
@@ -0,0 +1,218 @@
+/****************************************************************************
+ * config/shenzhou/src/up_nsh.c
+ * arch/arm/src/board/up_nsh.c
+ *
+ *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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_STM32_SPI1
+#  include <nuttx/spi.h>
+#  include <nuttx/mtd.h>
+#endif
+
+#ifdef CONFIG_STM32_SDIO
+#  include <nuttx/sdio.h>
+#  include <nuttx/mmcsd.h>
+#endif
+
+#ifdef CONFIG_STM32_OTGFS
+#  include "stm32_usbhost.h"
+#endif
+
+#include "stm32_internal.h"
+#include "shenzhou-internal.h"
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/* Configuration ************************************************************/
+
+/* For now, don't build in any SPI1 support -- NSH is not using it */
+
+#undef CONFIG_STM32_SPI1
+
+/* Assume that we support everything until convinced otherwise */
+
+#define HAVE_MMCSD    1
+#define HAVE_USBDEV   1
+#define HAVE_USBHOST  1
+
+/* Can't support MMC/SD features if mountpoints are disabled or if SDIO support
+ * is not enabled.
+ */
+
+#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_STM32_SDIO)
+#  undef HAVE_MMCSD
+#endif
+
+/* Default MMC/SD minor number */
+
+#ifdef HAVE_MMCSD
+#  ifndef CONFIG_NSH_MMCSDMINOR
+#    define CONFIG_NSH_MMCSDMINOR 0
+#  endif
+
+/* Default MMC/SD SLOT number */
+
+#  if defined(CONFIG_NSH_MMCSDSLOTNO) && CONFIG_NSH_MMCSDSLOTNO != 0
+#    error "Only one MMC/SD slot"
+#    undef CONFIG_NSH_MMCSDSLOTNO
+#  endif
+
+#  ifndef CONFIG_NSH_MMCSDSLOTNO
+#    define CONFIG_NSH_MMCSDSLOTNO 0
+#  endif
+#endif
+
+/* Can't support USB host or device features if USB OTG FS is not enabled */
+
+#ifndef CONFIG_STM32_OTGFS
+#  undef HAVE_USBDEV
+#  undef HAVE_USBHOST
+#endif
+
+/* Can't support USB device is USB device is not enabled */
+
+#ifndef CONFIG_USBDEV
+#  undef HAVE_USBDEV
+#endif
+
+/* Can't support USB host is USB host is not enabled */
+
+#ifndef CONFIG_USBHOST
+#  undef HAVE_USBHOST
+#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_STM32_SPI1
+  FAR struct spi_dev_s *spi;
+  FAR struct mtd_dev_s *mtd;
+#endif
+#ifdef HAVE_MMCSD
+  FAR struct sdio_dev_s *sdio;
+#endif
+#if defined(HAVE_MMCSD) || defined(HAVE_USBHOST)
+  int ret;
+#endif
+
+  /* Configure SPI-based devices */
+
+#ifdef CONFIG_STM32_SPI1
+#  warning "Missing support for the SPI FLASH"
+#endif
+
+  /* Mount the SDIO-based MMC/SD block driver */
+
+#ifdef HAVE_MMCSD
+  /* First, get an instance of the SDIO interface */
+
+  sdio = sdio_initialize(CONFIG_NSH_MMCSDSLOTNO);
+  if (!sdio)
+    {
+      message("nsh_archinitialize: Failed to initialize SDIO slot %d\n",
+              CONFIG_NSH_MMCSDSLOTNO);
+      return -ENODEV;
+    }
+
+  /* Now bind the SDIO interface to the MMC/SD driver */
+
+  ret = mmcsd_slotinitialize(CONFIG_NSH_MMCSDMINOR, sdio);
+  if (ret != OK)
+    {
+      message("nsh_archinitialize: Failed to bind SDIO to the MMC/SD driver: %d\n", ret);
+      return ret;
+    }
+  
+  /* Then let's guess and say that there is a card in the slot.  I need to check to
+   * see if the STM3240G-EVAL board supports a GPIO to detect if there is a card in
+   * the slot.
+   */
+
+   sdio_mediachange(sdio, true);
+#endif
+
+#ifdef HAVE_USBHOST
+  /* Initialize USB host operation.  stm32_usbhost_initialize() starts a thread
+   * will monitor for USB connection and disconnection events.
+   */
+
+  ret = stm32_usbhost_initialize();
+  if (ret != OK)
+    {
+      message("nsh_archinitialize: Failed to initialize USB host: %d\n", ret);
+      return ret;
+    }
+#endif
+
+  return OK;
+}