Olimex STM32 H407: Add basic infrastructure for MMC/Sd support
This commit is contained in:
Gregory Nutt
parent
7bca472334
commit
f07be860dd
@ -76,6 +76,10 @@ ifeq ($(CONFIG_CAN),y)
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CSRCS += stm32_can.c
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endif
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ifeq ($(CONFIG_STM32_SDIO),y)
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CSRCS += stm32_sdio.c
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endif
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ifeq ($(CONFIG_ARCH_FPU),y)
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CSRCS += stm32_ostest.c
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endif
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@ -52,6 +52,7 @@
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#define HAVE_USBDEV 1
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#define HAVE_USBHOST 1
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#define HAVE_USBMONITOR 1
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#define HAVE_SDIO 1
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#define HAVE_RTC_DRIVER 1
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#
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/* Can't support USB host or device features if USB OTG HS is not enabled */
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@ -85,6 +86,49 @@
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# undef CONFIG_CAN
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#endif
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/* Can't support MMC/SD features if mountpoints are disabled or if SDIO support
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* is not enabled. Can't support MMC/SD features if the upper half MMC/SD SDIO
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* driver 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_SDIO
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#endif
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#if !defined(CONFIG_MMCSD_SDIO)
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# undef HAVE_SDIO
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#endif
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#undef SDIO_MINOR /* Any minor number, default 0 */
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#define SDIO_SLOTNO 0 /* Only one slot */
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#ifdef HAVE_SDIO
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# if defined(CONFIG_NSH_MMCSDSLOTNO) && CONFIG_NSH_MMCSDSLOTNO != 0
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# warning Only one MMC/SD slot, slot 0
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# define CONFIG_NSH_MMCSDSLOTNO SDIO_SLOTNO
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# endif
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# if defined(CONFIG_NSH_MMCSDMINOR)
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# define SDIO_MINOR CONFIG_NSH_MMCSDMINOR
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# else
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# define SDIO_MINOR 0
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# endif
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/* SD card bringup does not work if performed on the IDLE thread because it
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* will cause waiting. Use either:
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*
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* CONFIG_LIB_BOARDCTL=y, OR
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* CONFIG_BOARD_INITIALIZE=y && CONFIG_BOARD_INITTHREAD=y
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*/
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# if defined(CONFIG_BOARD_INITIALIZE) && !defined(CONFIG_LIB_BOARDCTL) && \
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!defined(CONFIG_BOARD_INITTHREAD)
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# warning SDIO initialization cannot be perfomed on the IDLE thread
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# undef HAVE_SDIO
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# endif
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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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@ -135,6 +179,22 @@
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GPIO_PUSHPULL | GPIO_PORTB | GPIO_PIN5)
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#endif
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/* MicroSD SDIO
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*
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* ---------- -------- ------- ---------------------------
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* PIO SIGNAL Pulled Comments
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* ---------- -------- ------- -----------------------
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* -- NCD Card detect, combined with pins settings CD/PC11
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* PC9 DAT1 UP 33K Also interrupt
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* PC8 DAT0 UP 33K " " "" " "
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* PC12 CLK ---- " " "" " "
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* PD2 CMD UP 33K " " "" " "
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* PC11 CD/DAT3 DOWN 1M " " "" " "
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* PC10 DAT2 UP 33K Also Read wait operation
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* -- WrProtect Not Supported
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* ---------- -------- ------- ----------------------
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*/
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/****************************************************************************
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* Public Types
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****************************************************************************/
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@ -169,6 +229,18 @@
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int stm32_bringup(void);
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/****************************************************************************
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* Name: stm32_sdio_initialize
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*
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* Description:
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* Initialize SDIO-based MMC/SD card support
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*
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****************************************************************************/
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#if defined(HAVE_SDIO)
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int stm32_sdio_initialize(void);
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#endif
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/****************************************************************************
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* Name: stm32_usbinitialize
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*
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@ -94,7 +94,8 @@ int stm32_bringup(void)
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#ifdef HAVE_RTC_DRIVER
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FAR struct rtc_lowerhalf_s *lower;
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#endif
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#if defined(CONFIG_CAN) || defined(CONFIG_ADC) || defined(HAVE_RTC_DRIVER)
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#if defined(CONFIG_CAN) || defined(CONFIG_ADC) || defined(HAVE_SDIO) || \
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defined(HAVE_RTC_DRIVER)
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int ret;
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#endif
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@ -118,6 +119,17 @@ int stm32_bringup(void)
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}
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#endif
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#ifdef HAVE_SDIO
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/* Initialize the SDIO block driver */
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ret = stm32_sdio_initialize();
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if (ret != OK)
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{
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fdbg("ERROR: Failed to initialize MMC/SD driver: %d\n", ret);
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return 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 thread
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* will monitor for USB connection and disconnection events.
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175
configs/olimex-stm32-h407/src/stm32_sdio.c
Normal file
175
configs/olimex-stm32-h407/src/stm32_sdio.c
Normal file
@ -0,0 +1,175 @@
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/****************************************************************************
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* config/olimex-stm32_h407/src/stm32_sdio.c
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*
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* Copyright (C) 2016 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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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/sdio.h>
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#include <nuttx/mmcsd.h>
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#include "stm32.h"
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#include "olimex-stm32-h407.h"
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#ifdef HAVE_SDIO
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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/* Card detections requires card support and a card detection GPIO */
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#define HAVE_NCD 1
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#if !defined(HAVE_SDIO) || !defined(GPIO_SDIO_NCD)
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# undef HAVE_NCD
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#endif
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/****************************************************************************
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* Private Data
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****************************************************************************/
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static FAR struct sdio_dev_s *g_sdio_dev;
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#ifdef HAVE_NCD
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static bool g_sd_inserted = 0xff; /* Impossible value */
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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_ncd_interrupt
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*
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* Description:
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* Card detect interrupt handler.
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*
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****************************************************************************/
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#ifdef HAVE_NCD
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static int stm32_ncd_interrupt(int irq, FAR void *context)
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{
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bool present;
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present = !stm32_gpioread(GPIO_SDIO_NCD);
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if (present != g_sd_inserted)
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{
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sdio_mediachange(g_sdio_dev, present);
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g_sd_inserted = present;
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}
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return OK;
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}
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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_sdio_initialize
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*
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* Description:
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* Initialize SDIO-based MMC/SD card support
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*
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****************************************************************************/
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int stm32_sdio_initialize(void)
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{
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int ret;
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#ifdef HAVE_NCD
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/* Card detect */
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bool cd_status;
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/* Configure the card detect GPIO */
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stm32_configgpio(GPIO_SDIO_NCD);
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/* Register an interrupt handler for the card detect pin */
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stm32_gpiosetevent(GPIO_SDIO_NCD, true, true, true, stm32_ncd_interrupt);
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#endif
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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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fvdbg("Initializing SDIO slot %d\n", SDIO_SLOTNO);
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g_sdio_dev = sdio_initialize(SDIO_SLOTNO);
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if (!g_sdio_dev)
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{
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fdbg("Failed to initialize SDIO slot %d\n", SDIO_SLOTNO);
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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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fvdbg("Bind SDIO to the MMC/SD driver, minor=%d\n", SDIO_MINOR);
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ret = mmcsd_slotinitialize(SDIO_MINOR, g_sdio_dev);
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if (ret != OK)
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{
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fdbg("Failed to bind SDIO to the MMC/SD driver: %d\n", ret);
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return ret;
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}
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fvdbg("Successfully bound SDIO to the MMC/SD driver\n");
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#ifdef HAVE_NCD
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/* Use SD card detect pin to check if a card is g_sd_inserted */
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cd_status = !stm32_gpioread(GPIO_SDIO_NCD);
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fvdbg("Card detect : %d\n", cd_status);
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sdio_mediachange(g_sdio_dev, cd_status);
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#else
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/* Assume that the SD card is inserted. What choice do we have? */
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sdio_mediachange(g_sdio_dev, true);
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#endif
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return OK;
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}
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#endif /* HAVE_SDIO */
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