/**************************************************************************** * boards/arm/lpc17xx_40xx/olimex-lpc1766stk/src/lpc17_40_bringup.c * * Copyright (C) 2010, 2013-2016, 2018 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #include #include #include #include #include #include #include #include #include "lpc17_40_ssp.h" #include "lpc17_40_gpio.h" #include "lpc17_40_usbhost.h" #include "lpc1766stk.h" /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* Configuration ************************************************************/ #define HAVE_MMCSD 1 #define HAVE_USBHOST 1 /* MMC/SD is on SSP port 1. There is only a single slot, slot 0 */ #ifdef CONFIG_NSH_ARCHINIT # if !defined(CONFIG_NSH_MMCSDSPIPORTNO) || CONFIG_NSH_MMCSDSPIPORTNO != 1 # undef CONFIG_NSH_MMCSDSPIPORTNO # define CONFIG_NSH_MMCSDSPIPORTNO 1 # endif # if !defined(CONFIG_NSH_MMCSDSLOTNO) || CONFIG_NSH_MMCSDSLOTNO != 0 # undef CONFIG_NSH_MMCSDSLOTNO # define CONFIG_NSH_MMCSDSLOTNO 0 # endif # ifndef CONFIG_NSH_MMCSDMINOR # define CONFIG_NSH_MMCSDMINOR 0 # endif #else # undef CONFIG_NSH_MMCSDSPIPORTNO # define CONFIG_NSH_MMCSDSPIPORTNO 1 # undef CONFIG_NSH_MMCSDSLOTNO # define CONFIG_NSH_MMCSDSLOTNO 0 # undef CONFIG_NSH_MMCSDMINOR # define CONFIG_NSH_MMCSDMINOR 0 #endif /* Can't support MMC/SD is SSP1 is not enabled */ #ifndef CONFIG_LPC17_40_SSP1 # undef HAVE_MMCSD #endif /* Can't support MMC/SD features if mountpoints are disabled */ #if defined(CONFIG_DISABLE_MOUNTPOINT) # undef HAVE_MMCSD #endif /* USB Host */ #ifdef CONFIG_USBHOST # ifndef CONFIG_LPC17_40_USBHOST # error "CONFIG_LPC17_40_USBHOST is not selected" # endif #endif #ifdef CONFIG_LPC17_40_USBHOST # ifndef CONFIG_USBHOST # warning "CONFIG_USBHOST is not selected" # endif #endif #if !defined(CONFIG_USBHOST) || !defined(CONFIG_LPC17_40_USBHOST) # undef HAVE_USBHOST #endif #ifdef HAVE_USBHOST # ifndef CONFIG_LPC1766STK_USBHOST_PRIO # define CONFIG_LPC1766STK_USBHOST_PRIO 50 # endif # ifndef CONFIG_LPC1766STK_USBHOST_STACKSIZE # define CONFIG_LPC1766STK_USBHOST_STACKSIZE 1024 # endif #endif /**************************************************************************** * Private Data ****************************************************************************/ #ifdef HAVE_USBHOST static struct usbhost_connection_s *g_usbconn; #endif /**************************************************************************** * Private Functions ****************************************************************************/ /**************************************************************************** * Name: nsh_waiter * * Description: * Wait for USB devices to be connected. * ****************************************************************************/ #ifdef 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 HAVE_MMCSD static int nsh_sdinitialize(void) { FAR struct spi_dev_s *ssp; int ret; /* Enable power to the SD/MMC via a GPIO. LOW enables SD/MMC. */ lpc17_40_gpiowrite(LPC1766STK_MMC_PWR, false); /* Get the SSP port. MMC/SD is on SSP port 1. */ ssp = lpc17_40_sspbus_initialize(CONFIG_NSH_MMCSDSPIPORTNO); if (!ssp) { syslog(LOG_ERR, "ERROR: Failed to initialize SSP port %d\n", CONFIG_NSH_MMCSDSPIPORTNO); ret = -ENODEV; goto errout; } syslog(LOG_INFO, "Successfully initialized SSP port %d\n", CONFIG_NSH_MMCSDSPIPORTNO); /* Bind the SSP port to the slot */ ret = mmcsd_spislotinitialize(CONFIG_NSH_MMCSDMINOR, CONFIG_NSH_MMCSDSLOTNO, ssp); if (ret < 0) { syslog(LOG_ERR, "ERROR: Failed to bind SSP port %d to MMC/SD slot %d: %d\n", CONFIG_NSH_MMCSDSPIPORTNO, CONFIG_NSH_MMCSDSLOTNO, ret); goto errout; } syslog(LOG_INFO, "Successfully bound SSP port %d to MMC/SD slot %d\n", CONFIG_NSH_MMCSDSPIPORTNO, CONFIG_NSH_MMCSDSLOTNO); return OK; /* Disable power to the SD/MMC via a GPIO. HIGH disables SD/MMC. */ errout: lpc17_40_gpiowrite(LPC1766STK_MMC_PWR, true); return ret; } #else # define nsh_sdinitialize() (OK) #endif /**************************************************************************** * Name: nsh_usbhostinitialize * * Description: * Initialize SPI-based microSD. * ****************************************************************************/ #ifdef HAVE_USBHOST static int nsh_usbhostinitialize(void) { int pid; 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_HUB /* Initialize USB hub support */ ret = usbhost_hub_initialize(); if (ret < 0) { syslog(LOG_ERR, "ERROR: usbhost_hub_initialize failed: %d\n", ret); } #endif #ifdef CONFIG_USBHOST_MSC /* Initialize mass storage support */ ret = usbhost_msc_initialize(); if (ret < 0) { 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 < 0) { syslog(LOG_ERR, "ERROR: Failed to register the CDC/ACM serial class: %d\n", ret); } #endif #ifdef CONFIG_USBHOST_HIDMOUSE /* Initialize and register the USB HID mouse device class */ ret = usbhost_mouse_init(); if (ret < 0) { syslog(LOG_ERR, "ERROR: Failed to register USB HID mouse device class\n"); } #endif #ifdef CONFIG_USBHOST_HIDKBD /* Initialize and register the USB HID keyboard device class */ ret = usbhost_kbdinit(); if (ret < 0) { syslog(LOG_ERR, "ERROR: Failed to register USB HID KBD keyboard class\n"); } #endif UNUSED(ret); /* 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_ERR, "ERROR: Start nsh_waiter\n"); pid = kthread_create("usbhost", CONFIG_LPC1766STK_USBHOST_PRIO, CONFIG_LPC1766STK_USBHOST_STACKSIZE, (main_t)nsh_waiter, (FAR char * const *)NULL); return pid < 0 ? -ENOEXEC : OK; } return -ENODEV; } #else # define nsh_usbhostinitialize() (OK) #endif /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: lpc17_40_bringup * * Description: * Perform architecture-specific initialization * * CONFIG_BOARD_LATE_INITIALIZE=y : * Called from board_late_initialize(). * * CONFIG_BOARD_LATE_INITIALIZE=y && CONFIG_LIB_BOARDCTL=y : * Called from the NSH library * ****************************************************************************/ int lpc17_40_bringup(void) { int ret; /* Initialize SPI-based microSD */ ret = nsh_sdinitialize(); if (ret < 0) { syslog(LOG_ERR, "ERROR: Failed to initialize SPI-based SD card: %d\n", ret); } /* Initialize USB host */ ret = nsh_usbhostinitialize(); if (ret < 0) { syslog(LOG_ERR, "ERROR: Failed to initialize USB host: %d\n", ret); } #ifdef CONFIG_CAN /* Initialize CAN and register the CAN driver. */ ret = lpc1766stk_can_setup(); if (ret < 0) { syslog(LOG_ERR, "ERROR: lpc1766stk_can_setup failed: %d\n", ret); } #endif #ifdef CONFIG_FS_PROCFS /* Mount the procfs file system */ ret = mount(NULL, "/proc", "procfs", 0, NULL); if (ret < 0) { syslog(LOG_ERR, "ERROR: Failed to mount procfs at /proc: %d\n", ret); } #endif return ret; }