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