394 lines
9.7 KiB
C
394 lines
9.7 KiB
C
/****************************************************************************
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* boards/arm/lpc17xx_40xx/lpc4088-devkit/src/lpc17_40_bringup.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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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 <unistd.h>
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#include <syslog.h>
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#include <errno.h>
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#include <assert.h>
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#include <nuttx/arch.h>
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#include <nuttx/kthread.h>
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#include <nuttx/board.h>
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#include <nuttx/fs/fs.h>
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#include <nuttx/sdio.h>
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#include <nuttx/mmcsd.h>
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#include <nuttx/video/fb.h>
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#include <nuttx/usb/usbhost.h>
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#include "lpc17_40_gpio.h"
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#include "lpc17_40_sdcard.h"
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#include "lpc17_40_usbhost.h"
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#include "lpc4088-devkit.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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#define NSH_HAVE_MMCSD 1
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#define NSH_HAVE_USBHOST 1
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#define NSH_HAVE_USBHDEV 1
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#undef NSH_HAVE_MMCSD_CD
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#undef NSH_HAVE_MMCSD_CDINT
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/* MMC/SD support */
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#if !defined(CONFIG_LPC17_40_SDCARD) || !defined(CONFIG_MMCSD) && !defined(CONFIG_MMCD_SDIO)
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# undef NSH_HAVE_MMCSD
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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_HAVE_MMCSD
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#endif
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/* MMC/SD support requires that an SPI support is enabled
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* and an SPI port is selected
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*/
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#ifdef NSH_HAVE_MMCSD
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# if !defined(CONFIG_NSH_MMCSDSLOTNO)
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# warning "Assuming slot MMC/SD slot 0"
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# define CONFIG_NSH_MMCSDSLOTNO 0
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# endif
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#endif
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#ifdef NSH_HAVE_MMCSD
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# if !defined(CONFIG_NSH_MMCSDMINOR)
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# warning "Assuming /dev/mmcsd0"
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# define CONFIG_NSH_MMCSDMINOR 0
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# endif
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#endif
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/* The SD card detect (CD) signal is on the port expander U8, bit 4.
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* The port expander is not currently supported. If support is added,
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* this section can be uncommented.
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*/
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#if 0
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# ifdef NSH_HAVE_MMCSD
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# ifdef CONFIG_MMCSD_HAVE_CARDDETECT
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# define NSH_HAVE_MMCSD_CD 1
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# ifdef CONFIG_LPC17_40_GPIOIRQ
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# define NSH_HAVE_MMCSD_CDINT 1
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# endif
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# endif
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# endif
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#endif
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/* USB Host */
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#ifndef CONFIG_USBHOST
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# undef NSH_HAVE_USBHOST
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#endif
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#ifndef CONFIG_LPC17_40_USBHOST
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# undef NSH_HAVE_USBHOST
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#endif
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#ifdef NSH_HAVE_USBHOST
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# ifndef CONFIG_USBHOST_DEFPRIO
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# define CONFIG_USBHOST_DEFPRIO 50
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# endif
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# ifndef CONFIG_USBHOST_STACKSIZE
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# ifdef CONFIG_USBHOST_HUB
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# define CONFIG_USBHOST_STACKSIZE 1536
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# else
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# define CONFIG_USBHOST_STACKSIZE 1024
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# endif
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# endif
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#endif
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/* USB Device */
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#ifndef CONFIG_USBDEV
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# undef NSH_HAVE_USBDEV
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#endif
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#ifndef CONFIG_LPC17_40_USBDEV
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# undef NSH_HAVE_USBDEV
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#endif
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/****************************************************************************
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* Private Data
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****************************************************************************/
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#ifdef NSH_HAVE_USBHOST
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static struct usbhost_connection_s *g_usbconn;
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#endif
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#ifdef NSH_HAVE_MMCSD
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static struct sdio_dev_s *g_sdiodev;
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#endif
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nsh_waiter
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*
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* Description:
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* Wait for USB devices to be connected.
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*
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****************************************************************************/
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#ifdef NSH_HAVE_USBHOST
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static int nsh_waiter(int argc, char *argv[])
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{
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struct usbhost_hubport_s *hport;
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syslog(LOG_INFO, "nsh_waiter: Running\n");
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for (; ; )
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{
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/* Wait for the device to change state */
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DEBUGVERIFY(CONN_WAIT(g_usbconn, &hport));
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syslog(LOG_INFO, "nsh_waiter: %s\n",
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hport->connected ? "connected" : "disconnected");
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/* Did we just become connected? */
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if (hport->connected)
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{
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/* Yes.. enumerate the newly connected device */
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CONN_ENUMERATE(g_usbconn, hport);
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}
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}
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/* Keep the compiler from complaining */
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return 0;
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}
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#endif
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/****************************************************************************
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* Name: nsh_sdinitialize
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*
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* Description:
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* Initialize SPI-based microSD.
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*
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****************************************************************************/
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#ifdef NSH_HAVE_MMCSD
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static int nsh_sdinitialize(void)
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{
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int ret;
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/* Enable power to the SD card */
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lpc17_40_configgpio(GPIO_SD_PWR);
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#ifdef NSH_HAVE_MMCSD_CD
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/* Configure the SD card detect GPIO */
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lpc17_40_configgpio(GPIO_SD_CD);
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#endif
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/* First, get an instance of the SDIO interface */
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g_sdiodev = sdio_initialize(CONFIG_NSH_MMCSDSLOTNO);
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if (!g_sdiodev)
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{
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syslog(LOG_ERR, "ERROR: 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 SDIO interface to the MMC/SD driver */
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ret = mmcsd_slotinitialize(CONFIG_NSH_MMCSDMINOR, g_sdiodev);
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if (ret != OK)
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{
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syslog(LOG_ERR,
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"ERROR: Failed to bind SDIO to the MMC/SD driver: %d\n",
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ret);
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return ret;
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}
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/* Check if there is a card in the slot and inform the SDCARD driver. If
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* we do not support the card detect, then let's assume that there is
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* one.
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*/
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#ifdef NSH_HAVE_MMCSD_CD
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sdio_mediachange(g_sdiodev, !lpc17_40_gpioread(GPIO_SD_CD));
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#else
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sdio_mediachange(g_sdiodev, true);
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#endif
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return OK;
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}
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#else
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# define nsh_sdinitialize() (OK)
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#endif
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/****************************************************************************
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* Name: nsh_usbhostinitialize
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*
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* Description:
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* Initialize SPI-based microSD.
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*
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****************************************************************************/
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#ifdef NSH_HAVE_USBHOST
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static int nsh_usbhostinitialize(void)
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{
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int ret;
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/* First, register all of the class drivers needed to support the drivers
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* that we care about:
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*/
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syslog(LOG_INFO, "Register class drivers\n");
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#ifdef CONFIG_USBHOST_MSC
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/* Register the USB host Mass Storage Class */
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ret = usbhost_msc_initialize();
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if (ret != OK)
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{
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syslog(LOG_ERR,
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"ERROR: Failed to register the mass storage class: %d\n", ret);
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}
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#endif
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#ifdef CONFIG_USBHOST_CDCACM
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/* Register the CDC/ACM serial class */
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ret = usbhost_cdcacm_initialize();
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if (ret != OK)
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{
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syslog(LOG_ERR,
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"ERROR: Failed to register the CDC/ACM serial class: %d\n",
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ret);
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}
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#endif
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/* Then get an instance of the USB host interface */
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syslog(LOG_INFO, "Initialize USB host\n");
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g_usbconn = lpc17_40_usbhost_initialize(0);
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if (g_usbconn)
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{
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/* Start a thread to handle device connection. */
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syslog(LOG_INFO, "Start nsh_waiter\n");
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ret = kthread_create("usbhost", CONFIG_USBHOST_DEFPRIO,
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CONFIG_USBHOST_STACKSIZE,
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(main_t)nsh_waiter, (char * const *)NULL);
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return ret < 0 ? -ENOEXEC : OK;
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}
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return -ENODEV;
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}
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#else
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# define nsh_usbhostinitialize() (OK)
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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: lpc4088_devkit_bringup
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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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* CONFIG_BOARD_LATE_INITIALIZE=y :
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* Called from board_late_initialize().
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*
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* CONFIG_BOARD_LATE_INITIALIZE=n && CONFIG_BOARDCTL=y :
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* Called from the NSH library via boardctl()
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*
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****************************************************************************/
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int lpc4088_devkit_bringup(void)
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{
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int ret;
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#ifdef CONFIG_FS_PROCFS
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/* Mount the procfs file system at the default location, /proc */
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ret = nx_mount(NULL, "/proc", "procfs", 0, NULL);
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: Failed to mount procfs: %d\n", ret);
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}
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#endif
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/* Initialize SD Card */
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ret = nsh_sdinitialize();
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if (ret == OK)
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{
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/* Initialize USB host */
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ret = nsh_usbhostinitialize();
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}
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#ifdef CONFIG_VIDEO_FB
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/* Initialize and register the framebuffer driver */
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ret = fb_register(0, 0);
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: fb_register() failed: %d\n",
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ret);
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}
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#endif
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#ifdef CONFIG_INPUT_ADS7843E
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/* Initialize the touchscreen */
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ret = lpc4088_devkit_tsc_setup(0);
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: lpc4088_devkit_tsc_setup failed: %d\n",
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ret);
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}
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#endif
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#ifdef CONFIG_LPC4088_DEVKIT_DJOYSTICK
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/* Initialize and register the joystick driver */
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ret = lpc17_40_djoy_initialization();
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if (ret != OK)
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{
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syslog(LOG_ERR, "ERROR: Failed to register the joystick driver: %d\n",
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ret);
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return ret;
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}
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#endif
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return ret;
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}
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