392 lines
9.3 KiB
C
392 lines
9.3 KiB
C
/****************************************************************************
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* boards/arm/stm32/stm3240g-eval/src/stm32_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 <stdbool.h>
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#include <stdio.h>
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#include <debug.h>
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#include <errno.h>
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#include <nuttx/board.h>
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#include <nuttx/fs/fs.h>
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#include <nuttx/i2c/i2c_master.h>
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#ifdef CONFIG_STM32_SPI1
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# include <nuttx/spi/spi.h>
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# include <nuttx/mtd/mtd.h>
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#endif
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#ifdef CONFIG_STM32_SDIO
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# include <nuttx/sdio.h>
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# include <nuttx/mmcsd.h>
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#endif
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#ifdef CONFIG_STM32_OTGFS
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# include "stm32_usbhost.h"
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#endif
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#ifdef CONFIG_RTC_DRIVER
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# include <nuttx/timers/rtc.h>
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# include "stm32_rtc.h"
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#endif
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#ifdef CONFIG_VIDEO_FB
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# include <nuttx/video/fb.h>
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#endif
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#ifdef CONFIG_INPUT_STMPE811
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# include <nuttx/input/touchscreen.h>
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#endif
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#include "stm32.h"
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#include "stm32_i2c.h"
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#include "stm3240g-eval.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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/* For now, don't build in any SPI1 support -- NSH is not using it */
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#undef CONFIG_STM32_SPI1
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/* Assume that we support everything until convinced otherwise */
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#define HAVE_MMCSD 1
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#define HAVE_USBDEV 1
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#define HAVE_USBHOST 1
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#define HAVE_RTC_DRIVER 1
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/* Can't support MMC/SD features if mountpoints are disabled or if SDIO
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* support is not enabled.
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*/
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#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_STM32_SDIO)
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# undef HAVE_MMCSD
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#endif
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/* Default MMC/SD minor number */
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#ifdef HAVE_MMCSD
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# ifndef CONFIG_NSH_MMCSDMINOR
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# define CONFIG_NSH_MMCSDMINOR 0
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# endif
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/* Default MMC/SD SLOT number */
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# if defined(CONFIG_NSH_MMCSDSLOTNO) && CONFIG_NSH_MMCSDSLOTNO != 0
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# error "Only one MMC/SD slot"
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# undef CONFIG_NSH_MMCSDSLOTNO
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# endif
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# ifndef CONFIG_NSH_MMCSDSLOTNO
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# define CONFIG_NSH_MMCSDSLOTNO 0
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# endif
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#endif
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/* Can't support USB host or device features if USB OTG FS is not enabled */
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#ifndef CONFIG_STM32_OTGFS
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# undef HAVE_USBDEV
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# undef HAVE_USBHOST
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#endif
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/* Can't support USB device is USB device is not enabled */
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#ifndef CONFIG_USBDEV
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# undef HAVE_USBDEV
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#endif
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/* Can't support USB host is USB host is not enabled */
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#ifndef CONFIG_USBHOST
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# undef HAVE_USBHOST
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#endif
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/* Check if we can support the RTC driver */
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#if !defined(CONFIG_RTC) || !defined(CONFIG_RTC_DRIVER)
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# undef HAVE_RTC_DRIVER
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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: stm32_i2c_register
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*
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* Description:
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* Register one I2C drivers for the I2C tool.
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*
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****************************************************************************/
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#ifdef HAVE_I2CTOOL
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static void stm32_i2c_register(int bus)
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{
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struct i2c_master_s *i2c;
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int ret;
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i2c = stm32_i2cbus_initialize(bus);
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if (i2c == NULL)
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{
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_err("ERROR: Failed to get I2C%d interface\n", bus);
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}
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else
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{
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ret = i2c_register(i2c, bus);
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if (ret < 0)
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{
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_err("ERROR: Failed to register I2C%d driver: %d\n", bus, ret);
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stm32_i2cbus_uninitialize(i2c);
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}
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}
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}
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#endif
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/****************************************************************************
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* Name: stm32_i2ctool
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*
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* Description:
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* Register I2C drivers for the I2C tool.
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*
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****************************************************************************/
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#ifdef HAVE_I2CTOOL
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static void stm32_i2ctool(void)
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{
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#ifdef CONFIG_STM32_I2C1
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stm32_i2c_register(1);
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#endif
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#ifdef CONFIG_STM32_I2C2
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stm32_i2c_register(2);
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#endif
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#ifdef CONFIG_STM32_I2C3
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stm32_i2c_register(3);
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#endif
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}
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#else
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# define stm32_i2ctool()
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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: stm32_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=y && CONFIG_BOARDCTL=y :
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* Called from the NSH library
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*
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****************************************************************************/
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int stm32_bringup(void)
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{
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#ifdef HAVE_RTC_DRIVER
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struct rtc_lowerhalf_s *lower;
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#endif
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#ifdef CONFIG_STM32_SPI1
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struct spi_dev_s *spi;
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struct mtd_dev_s *mtd;
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#endif
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#ifdef HAVE_MMCSD
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struct sdio_dev_s *sdio;
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#endif
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int ret;
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/* Register I2C drivers on behalf of the I2C tool */
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stm32_i2ctool();
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#ifdef HAVE_RTC_DRIVER
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/* Instantiate the STM32 lower-half RTC driver */
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lower = stm32_rtc_lowerhalf();
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if (!lower)
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{
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syslog(LOG_ERR,
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"ERROR: Failed to instantiate the RTC lower-half driver\n");
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}
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else
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{
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/* Bind the lower half driver and register the combined RTC driver
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* as /dev/rtc0
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*/
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ret = rtc_initialize(0, lower);
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if (ret < 0)
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{
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syslog(LOG_ERR,
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"ERROR: Failed to bind/register the RTC driver: %d\n",
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ret);
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}
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}
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#endif
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/* Configure SPI-based devices */
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#ifdef CONFIG_STM32_SPI1
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/* Get the SPI port */
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spi = stm32_spibus_initialize(1);
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if (!spi)
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{
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syslog(LOG_ERR, "ERROR: Failed to initialize SPI port 0\n");
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}
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else
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{
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/* Now bind the SPI interface to the M25P64/128 SPI FLASH driver */
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mtd = m25p_initialize(spi);
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if (!mtd)
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{
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syslog(LOG_ERR,
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"ERROR: Failed to bind SPI port 0 to SPI FLASH driver\n");
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}
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}
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#warning "Now what are we going to do with this SPI FLASH driver?"
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#endif
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#ifdef HAVE_MMCSD
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/* Mount the SDIO-based MMC/SD block driver */
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/* First, get an instance of the SDIO interface */
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sdio = sdio_initialize(CONFIG_NSH_MMCSDSLOTNO);
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if (!sdio)
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{
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syslog(LOG_ERR,
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"ERROR: Failed to initialize SDIO slot %d\n",
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CONFIG_NSH_MMCSDSLOTNO);
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}
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else
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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, sdio);
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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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}
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/* Then let's guess and say that there is a card in the slot. I need
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* to check to see if the STM3240G-EVAL board supports a GPIO to
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* detect if there is a card in the slot.
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*/
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sdio_mediachange(sdio, true);
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}
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#endif
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#ifdef CONFIG_FS_PROCFS
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/* Mount the procfs file system */
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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 at /proc: %d\n", ret);
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}
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#endif
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#ifdef HAVE_USBHOST
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/* Initialize USB host operation. stm32_usbhost_initialize() starts a
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* thread that will monitor for USB connection and disconnection events.
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*/
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ret = stm32_usbhost_initialize();
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if (ret != OK)
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{
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syslog(LOG_ERR, "ERROR: Failed to initialize USB host: %d\n", ret);
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}
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#endif
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#ifdef CONFIG_VIDEO_FB
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/* Initialize and register the simulated 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", ret);
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}
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#endif
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#ifdef CONFIG_INPUT_STMPE811
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/* Initialize the touchscreen.
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* WARNING: stm32_tsc_setup() cannot be called from the IDLE thread.
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*/
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ret = stm32_tsc_setup(0);
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: stm32_tsc_setup failed: %d\n", ret);
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}
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#endif
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#ifdef CONFIG_PWM
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/* Initialize PWM and register the PWM device. */
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ret = stm32_pwm_setup();
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: stm32_pwm_setup() failed: %d\n", ret);
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}
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#endif
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#ifdef CONFIG_ADC
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/* Initialize ADC and register the ADC driver. */
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ret = stm32_adc_setup();
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: stm32_adc_setup failed: %d\n", ret);
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}
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#endif
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#ifdef CONFIG_STM32_CAN_CHARDRIVER
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/* Initialize CAN and register the CAN driver. */
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ret = stm32_can_setup();
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: stm32_can_setup failed: %d\n", ret);
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}
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#endif
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UNUSED(ret);
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return OK;
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}
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