patacongo commented on a change in pull request #1728: URL: https://github.com/apache/incubator-nuttx/pull/1728#discussion_r489471395
########## File path: boards/arm/sama5/giant-board/src/sam_bringup.c ########## @@ -0,0 +1,400 @@ +/**************************************************************************** + * boards/arm/sama5/giant-board/src/sam_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 <nuttx/config.h> + +#include <sys/mount.h> +#include <stdlib.h> +#include <syslog.h> +#include <debug.h> +#include <string.h> + +#include <nuttx/irq.h> +#include <nuttx/kthread.h> +#include <nuttx/usb/usbdev.h> +#include <nuttx/usb/usbhost.h> +#include <nuttx/usb/usbdev_trace.h> + +#include "giant-board.h" + +#ifdef CONFIG_CDCACM +# include <nuttx/usb/cdcacm.h> +#endif + +#ifdef CONFIG_NET_CDCECM +# include <nuttx/usb/cdcecm.h> +# include <net/if.h> +#endif + +#ifdef CONFIG_USBMONITOR +# include <nuttx/usb/usbmonitor.h> +#endif + +#ifdef CONFIG_RNDIS +# include <nuttx/usb/rndis.h> +#endif + +#ifdef CONFIG_MMCSD +# include <nuttx/mmcsd.h> +# include "sam_sdmmc.h" +#endif + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +#define NSECTORS(n) \ + (((n)+CONFIG_GIANTBOARD_ROMFS_ROMDISK_SECTSIZE-1) / \ + CONFIG_GIANTBOARD_ROMFS_ROMDISK_SECTSIZE) + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: sam_i2c_register + * + * Description: + * Register one I2C drivers for the I2C tool. + * + ****************************************************************************/ + +#ifdef HAVE_I2CTOOL +static void sam_i2c_register(int bus) +{ + FAR struct i2c_master_s *i2c; + int ret; + + i2c = sam_i2cbus_initialize(bus); + if (i2c == NULL) + { + i2cerr("ERROR: Failed to get I2C%d interface\n", bus); + } + else + { + ret = i2c_register(i2c, bus); + if (ret < 0) + { + i2cerr("ERROR: Failed to register I2C%d driver: %d\n", bus, ret); + sam_i2cbus_uninitialize(i2c); + } + } +} +#endif + +/**************************************************************************** + * Name: sam_i2ctool + * + * Description: + * Register I2C drivers for the I2C tool. + * + ****************************************************************************/ + +#ifdef HAVE_I2CTOOL +static void sam_i2ctool(void) +{ +#ifdef CONFIG_SAMA5_TWI0 + sam_i2c_register(0); +#endif +#ifdef CONFIG_SAMA5_TWI1 + sam_i2c_register(1); +#endif +#ifdef CONFIG_SAMA5_TWI2 + sam_i2c_register(2); +#endif +#ifdef CONFIG_SAMA5_TWI3 + sam_i2c_register(3); +#endif +} +#else +# define sam_i2ctool() +#endif + +/**************************************************************************** + * Name: nsh_sdmmc_initialize + * + * Description: + * Initialize SDMMC drivers + * + ****************************************************************************/ + +#ifdef CONFIG_SAMA5_SDMMC + +static int nsh_sdmmc_initialize(void) +{ + struct sdio_dev_s *sdmmc0; + struct sdio_dev_s *sdmmc1; + int ret = 0; + + /* Get an instance of the SDIO interface */ + +#ifdef CONFIG_SAMA5_SDMMC0 + sdmmc0 = sam_sdmmc_sdio_initialize(SDMMC0_SLOTNO); + if (!sdmmc0) + { + mcerr("ERROR: Failed to initialize SD/MMC\n"); + } + else + { + /* Bind the SDIO interface to the MMC/SD driver */ + + ret = mmcsd_slotinitialize(SDMMC0_MINOR, sdmmc0); + if (ret != OK) + { + mcerr("ERROR: Failed to bind SDIO to the MMC/SD driver (slot 0): " + "%d\n", + ret); + } + } + +#ifdef CONFIG_SAMA5D27_SDMMC0_MOUNT + /* Mount the volume on SDMMC0 */ + + ret = mount(CONFIG_SAMA5D27_SDMMC0_MOUNT_BLKDEV, + CONFIG_SAMA5D27_SDMMC0_MOUNT_MOUNTPOINT, + CONFIG_SAMA5D27_SDMMC0_MOUNT_FSTYPE, + 0, NULL); + + if (ret < 0) + { + mcerr("ERROR: Failed to mount %s: %d\n", + CONFIG_SAMA5D27_SDMMC0_MOUNT_MOUNTPOINT, errno); + } +#endif +#endif + +#ifdef CONFIG_SAMA5_SDMMC1 + sdmmc1 = sam_sdmmc_sdio_initialize(SDMMC1_SLOTNO); + if (!sdmmc1) + { + syslog(LOG_ERR, "ERROR: Failed to initialize SD/MMC\n"); + } + else + { + /* Bind the SDIO interface to the MMC/SD driver */ + + ret = mmcsd_slotinitialize(SDMMC1_MINOR, sdmmc1); + if (ret != OK) + { + syslog(LOG_ERR, + "ERROR: Failed to bind SDIO to the MMC/SD driver (slot 0): " + "%d\n", + ret); + } + } + +#ifdef CONFIG_SAMA5D27_SDMMC1_MOUNT + /* Mount the volume on SDMMC1 */ + + ret = mount(CONFIG_SAMA5D27_SDMMC1_MOUNT_BLKDEV, + CONFIG_SAMA5D27_SDMMC1_MOUNT_MOUNTPOINT, + CONFIG_SAMA5D27_SDMMC1_MOUNT_FSTYPE, + 0, NULL); + + if (ret < 0) + { + mcerr("ERROR: Failed to mount %s: %d\n", + CONFIG_SAMA5D27_SDMMC1_MOUNT_MOUNTPOINT, errno); + } +#endif +#endif + + return OK; +} +#else +# define nsh_sdmmc_initialize() (OK) +#endif + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: sam_bringup + * + * Description: + * Bring up board features + * + ****************************************************************************/ + +int sam_bringup(void) +{ + int ret; + + /* Register I2C drivers on behalf of the I2C tool */ + + sam_i2ctool(); + +#ifdef HAVE_SDMMC +#ifdef CONFIG_SAMA5_SDMMC + /* Initialize SDMCC-based MMC/SD card support */ + + nsh_sdmmc_initialize(); +#endif +#endif + +#ifdef HAVE_AUTOMOUNTER + /* Initialize the auto-mounter */ + + sam_automount_initialize(); +#endif + +#ifdef HAVE_ROMFS + /* Create a ROM disk for the /etc filesystem */ + + ret = romdisk_register(CONFIG_GIANT_BOARD_ROMFS_ROMDISK_MINOR, romfs_img, + NSECTORS(romfs_img_len), + CONFIG_GIANT_BOARD_ROMFS_ROMDISK_SECTSIZE); + if (ret < 0) + { + fserr("ERROR: romdisk_register failed: %d\n", -ret); + } + else + { + /* Mount the file system */ + + ret = mount(CONFIG_GIANT_BOARD_ROMFS_ROMDISK_DEVNAME, + CONFIG_GIANT_BOARD_ROMFS_MOUNT_MOUNTPOINT, + "romfs", MS_RDONLY, NULL); + if (ret < 0) + { + fserr("ERROR: mount(%s,%s,romfs) failed: %d\n", + CONFIG_GIANT_BOARD_ROMFS_ROMDISK_DEVNAME, + CONFIG_GIANT_BOARD_ROMFS_MOUNT_MOUNTPOINT, errno); + } + } +#endif + +#ifdef HAVE_USBHOST + /* Initialize USB host operation. sam_usbhost_initialize() starts a thread + * will monitor for USB connection and disconnection events. + */ + + ret = sam_usbhost_initialize(); + if (ret != OK) + { + uerr("ERROR: Failed to initialize USB host: %d\n", ret); + } +#endif + +#ifdef HAVE_USBMONITOR + /* Start the USB Monitor */ + + ret = usbmonitor_start(); + if (ret != OK) + { + _uerr("ERROR: Failed to start the USB monitor: %d\n", ret); + } +#endif + +#ifdef HAVE_MAXTOUCH + /* Initialize the touchscreen */ + + ret = sam_tsc_setup(0); + if (ret < 0) + { + tmrerr("ERROR: sam_tsc_setup failed: %d\n", ret); + } +#endif + +#ifdef CONFIG_PWM + /* Initialize PWM and register the PWM device. */ + + ret = sam_pwm_setup(); + if (ret < 0) + { + pwmerr("ERROR: sam_pwm_setup() failed: %d\n", ret); + } +#endif + +#ifdef CONFIG_ADC + /* Initialize ADC and register the ADC driver. */ + + ret = sam_adc_setup(); + if (ret < 0) + { + aerr("ERROR: sam_adc_setup failed: %d\n", ret); + } +#endif + +#ifdef HAVE_WM8904 + /* Configure WM8904 audio */ + + ret = sam_wm8904_initialize(0); + if (ret != OK) + { + auderr("ERROR: Failed to initialize WM8904 audio: %d\n", ret); + } +#endif + Review comment: R ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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