SAMA5D4: Add auto-mounter support for HSMCI0

configs/sam4e-ek/Kconfig

@@ -17,7 +17,7 @@ config SAM4EEK_120MHZ
 
 endchoice # CPU Frequency
 
-config SAM4EEK_AT25_AUTOMOUNT
+config SAM4EEK_AT25_BLOCKMOUNT
 	bool "AT25 serial FLASH auto-mount"
 	default n
 	depends on SAM34_SPI0 && MTD_AT25
@@ -27,7 +27,7 @@ config SAM4EEK_AT25_AUTOMOUNT
 choice
 	prompt "AT25 serial FLASH configuration"
 	default SAM4EEK_AT25_FTL
-	depends on SAM4EEK_AT25_AUTOMOUNT
+	depends on SAM4EEK_AT25_BLOCKMOUNT
 
 config SAM4EEK_AT25_FTL
 	bool "Create AT25 Serial FLASH block driver"

configs/sam4e-ek/README.txt

@@ -572,7 +572,7 @@ AT25 Serial FLASH
       CONFIG_NSH_ARCHINIT=y                 : NSH board-initialization
 
     Board Selection
-      CONFIG_SAM4EEK_AT25_AUTOMOUNT=y       : Mounts AT25 for NSH
+      CONFIG_SAM4EEK_AT25_BLOCKMOUNT=y       : Mounts AT25 for NSH
       CONFIG_SAM4EEK_AT25_FTL=y             : Create block driver for FAT
 
   You can then format the AT25 FLASH for a FAT file system and mount the

configs/sam4e-ek/nsh/defconfig

@@ -331,7 +331,7 @@ CONFIG_NSH_MMCSDMINOR=0
 #
 # CONFIG_SAM4EEK_96MHZ is not set
 CONFIG_SAM4EEK_120MHZ=y
-CONFIG_SAM4EEK_AT25_AUTOMOUNT=y
+CONFIG_SAM4EEK_AT25_BLOCKMOUNT=y
 CONFIG_SAM4EEK_AT25_FTL=y
 
 #

configs/sam4e-ek/src/sam4e-ek.h

@@ -92,7 +92,7 @@
  * asked to mount the AT25 part
  */
 
-#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_SAM4EEK_AT25_AUTOMOUNT)
+#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_SAM4EEK_AT25_BLOCKMOUNT)
 #  undef HAVE_AT25
 #endif
 

configs/sam4e-ek/usbnsh/defconfig

@@ -336,7 +336,7 @@ CONFIG_NSH_MMCSDMINOR=0
 #
 # CONFIG_SAM4EEK_96MHZ is not set
 CONFIG_SAM4EEK_120MHZ=y
-CONFIG_SAM4EEK_AT25_AUTOMOUNT=y
+CONFIG_SAM4EEK_AT25_BLOCKMOUNT=y
 CONFIG_SAM4EEK_AT25_FTL=y
 
 #

configs/sama5d3-xplained/Kconfig

@@ -37,7 +37,7 @@ config SAMA5D3XPLAINED_MT47H64M16HR
 
 endchoice # SAMA5D3-Xplained DRAM Type
 
-config SAMA5D3XPLAINED_NAND_AUTOMOUNT
+config SAMA5D3XPLAINED_NAND_BLOCKMOUNT
 	bool "NAND FLASH auto-mount"
 	default n
 	depends on NSH_ARCHINIT && SAMA5_EBICS3_NAND
@@ -47,7 +47,7 @@ config SAMA5D3XPLAINED_NAND_AUTOMOUNT
 choice
 	prompt "NAND FLASH configuration"
 	default SAMA5D3XPLAINED_NAND_NXFFS
-	depends on SAMA5D3XPLAINED_NAND_AUTOMOUNT
+	depends on SAMA5D3XPLAINED_NAND_BLOCKMOUNT
 
 config SAMA5D3XPLAINED_NAND_FTL
 	bool "Create NAND FLASH block driver"

configs/sama5d3-xplained/README.txt

@@ -1636,8 +1636,8 @@ NAND Support
       to enable SDRAM as described above.
 
     Board Selection
-      CONFIG_SAMA5D3XPLAINED_NAND_AUTOMOUNT=y     : Enable FS support on NAND
+      CONFIG_SAMA5D3XPLAINED_NAND_BLOCKMOUNT=y : Enable FS support on NAND
-      CONFIG_SAMA5D3XPLAINED_NAND_NXFFS=y         : Use the NXFFS file system
+      CONFIG_SAMA5D3XPLAINED_NAND_NXFFS=y      : Use the NXFFS file system
 
       Other file systems are not recommended because only NXFFS can handle
       bad blocks and only NXFFS performs wear-levelling.
@@ -1660,8 +1660,8 @@ NAND Support
       Defaults for all other NXFFS settings should be okay.
 
     Board Selection
-      CONFIG_SAMA5D3XPLAINED_NAND_AUTOMOUNT=y     : Enable FS support on NAND
+      CONFIG_SAMA5D3XPLAINED_NAND_BLOCKMOUNT=y : Enable FS support on NAND
-      CONFIG_SAMA5D3XPLAINED_NAND_FTL=y           : Use an flash translation layer
+      CONFIG_SAMA5D3XPLAINED_NAND_FTL=y        : Use an flash translation layer
 
       NOTE:  FTL will require some significant buffering because of
       the large size of the NAND flash blocks.  You will also need
@@ -1678,7 +1678,7 @@ NAND Support
     Using NAND with NXFFS
     ---------------------
 
-    With the options CONFIG_SAMA5D3XPLAINED_NAND_AUTOMOUNT=y and
+    With the options CONFIG_SAMA5D3XPLAINED_NAND_BLOCKMOUNT=y and
     CONFIG_SAMA5D3XPLAINED_NAND_NXFFS=y, the NAND FLASH will be mounted in the NSH
     start-up logic before the NSH prompt appears.  There is no feedback as
     to whether or not the mount was successful.  You can, however, see the

configs/sama5d3-xplained/src/sama5d3-xplained.h

@@ -95,7 +95,7 @@
  * asked to mount the NAND part
  */
 
-#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_SAMA5D3XPLAINED_NAND_AUTOMOUNT)
+#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_SAMA5D3XPLAINED_NAND_BLOCKMOUNT)
 #  undef HAVE_NAND
 #endif
 

configs/sama5d3x-ek/Kconfig

@@ -68,7 +68,7 @@ config SAMA5D3xEK_NOR_START
 		option:  If SAMA5D3xEK_NOR_START is defined, then it will not wait but
 		will, instead, immediately start the program in NOR FLASH.
 
-config SAMA5_NAND_AUTOMOUNT
+config SAMA5D3XEK_NAND_BLOCKMOUNT
 	bool "NAND FLASH auto-mount"
 	default n
 	depends on NSH_ARCHINIT && SAMA5_EBICS3_NAND
@@ -78,7 +78,7 @@ config SAMA5_NAND_AUTOMOUNT
 choice
 	prompt "NAND FLASH configuration"
 	default SAMA5D3xEK_NAND_NXFFS
-	depends on SAMA5_NAND_AUTOMOUNT
+	depends on SAMA5D3XEK_NAND_BLOCKMOUNT
 
 config SAMA5D3xEK_NAND_FTL
 	bool "Create NAND FLASH block driver"
@@ -107,7 +107,7 @@ config SAMA5D3xEK_NAND_NXFFS
 
 endchoice # NAND FLASH configuration
 
-config SAMA5D3xEK_AT25_AUTOMOUNT
+config SAMA5D3xEK_AT25_BLOCKMOUNT
 	bool "AT25 serial FLASH auto-mount"
 	default n
 	depends on NSH_ARCHINIT && SAMA5_SPI0 && MTD_AT25
@@ -117,7 +117,7 @@ config SAMA5D3xEK_AT25_AUTOMOUNT
 choice
 	prompt "AT25 serial FLASH configuration"
 	default SAMA5D3xEK_AT25_FTL
-	depends on SAMA5D3xEK_AT25_AUTOMOUNT
+	depends on SAMA5D3xEK_AT25_BLOCKMOUNT
 
 config SAMA5D3xEK_AT25_FTL
 	bool "Create AT25 Serial FLASH block driver"
@@ -137,7 +137,7 @@ config SAMA5D3xEK_AT25_NXFFS
 
 endchoice # AT25 serial FLASH configuration
 
-config SAMA5D3xEK_AT24_AUTOMOUNT
+config SAMA5D3xEK_AT24_BLOCKMOUNT
 	bool "AT24 Serial EEPROM auto-mount"
 	default n
 	depends on NSH_ARCHINIT && SAMA5_TWI0 && MTD_AT24XX
@@ -158,7 +158,7 @@ config SAMA5D3xEK_AT24_AUTOMOUNT
 choice
 	prompt "AT24 serial EPPROM configuration"
 	default SAMA5D3xEK_AT24_FTL
-	depends on SAMA5D3xEK_AT24_AUTOMOUNT
+	depends on SAMA5D3xEK_AT24_BLOCKMOUNT
 
 config SAMA5D3xEK_AT24_FTL
 	bool "Create AT24 block driver"

configs/sama5d3x-ek/README.txt

@@ -1115,7 +1115,7 @@ AT25 Serial FLASH
       CONFIG_NSH_ARCHINIT=y                 : NSH board-initialization
 
     Board Selection
-      CONFIG_SAMA5D3xEK_AT25_AUTOMOUNT=y    : Mounts AT25 for NSH
+      CONFIG_SAMA5D3xEK_AT25_BLOCKMOUNT=y   : Mounts AT25 for NSH
       CONFIG_SAMA5D3xEK_AT25_FTL=y          : Create block driver for FAT
 
   NOTE that you must close JP1 on the Embest/Ronetix board in order to
@@ -1832,8 +1832,8 @@ NAND Support
       to enable SDRAM as described above.
 
     Board Selection
-      CONFIG_SAMA5_NAND_AUTOMOUNT=y     : Enable FS support on NAND
+      CONFIG_SAMA5D3XEK_NAND_BLOCKMOUNT=y : Enable FS support on NAND
-      CONFIG_SAMA5D3xEK_NAND_NXFFS=y    : Use the NXFFS file system
+      CONFIG_SAMA5D3xEK_NAND_NXFFS=y      : Use the NXFFS file system
 
       Other file systems are not recommended because only NXFFS can handle
       bad blocks and only NXFFS performs wear-levelling.
@@ -1856,8 +1856,8 @@ NAND Support
       Defaults for all other NXFFS settings should be okay.
 
     Board Selection
-      CONFIG_SAMA5_NAND_AUTOMOUNT=y     : Enable FS support on NAND
+      CONFIG_SAMA5D3XEK_NAND_BLOCKMOUNT=y : Enable FS support on NAND
-      CONFIG_SAMA5D3xEK_NAND_FTL=y      : Use an flash translation layer
+      CONFIG_SAMA5D3xEK_NAND_FTL=y        : Use an flash translation layer
 
       NOTE:  FTL will require some significant buffering because of
       the large size of the NAND flash blocks.  You will also need
@@ -1874,7 +1874,7 @@ NAND Support
     Using NAND with NXFFS
     ---------------------
 
-    With the options CONFIG_SAMA5_NAND_AUTOMOUNT=y and
+    With the options CONFIG_SAMA5D3XEK_NAND_BLOCKMOUNT=y and
     CONFIG_SAMA5D3xEK_NAND_NXFFS=y, the NAND FLASH will be mounted in the NSH
     start-up logic before the NSH prompt appears.  There is no feedback as
     to whether or not the mount was successful.  You can, however, see the
@@ -2097,7 +2097,7 @@ AT24 Serial EEPROM
                                             : Other defaults are probably OK
 
     Board Selection
-      CONFIG_SAMA5D3xEK_AT24_AUTOMOUNT=y    : Mounts AT24 for NSH
+      CONFIG_SAMA5D3xEK_AT24_BLOCKMOUNT=y   : Mounts AT24 for NSH
       CONFIG_SAMA5D3xEK_AT24_NXFFS=y        : Mount the AT24 using NXFFS
 
   You can then format the AT24 EEPROM for a FAT file system and mount the

configs/sama5d3x-ek/demo/defconfig

@@ -360,7 +360,7 @@ CONFIG_SAMA5D3xEK_396MHZ=y
 CONFIG_SAMA5D3xEK_MT47H128M16RT=y
 # CONFIG_SAMA5D3xEK_MT47H64M16HR is not set
 # CONFIG_SAMA5D3xEK_NOREDLED is not set
-CONFIG_SAMA5D3xEK_AT25_AUTOMOUNT=y
+CONFIG_SAMA5D3xEK_AT25_BLOCKMOUNT=y
 CONFIG_SAMA5D3xEK_AT25_FTL=y
 
 #

configs/sama5d3x-ek/src/sama5d3x-ek.h

@@ -97,7 +97,7 @@
  * asked to mount the NAND part
  */
 
-#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_SAMA5_NAND_AUTOMOUNT)
+#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_SAMA5D3XEK_NAND_BLOCKMOUNT)
 #  undef HAVE_NAND
 #endif
 
@@ -142,7 +142,7 @@
  * asked to mount the AT25 part
  */
 
-#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_SAMA5D3xEK_AT25_AUTOMOUNT)
+#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_SAMA5D3xEK_AT25_BLOCKMOUNT)
 #  undef HAVE_AT25
 #endif
 
@@ -192,7 +192,7 @@
  * asked to mount the AT25 part
  */
 
-#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_SAMA5D3xEK_AT24_AUTOMOUNT)
+#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_SAMA5D3xEK_AT24_BLOCKMOUNT)
 #  undef HAVE_AT24
 #endif
 

configs/sama5d4-ek/Kconfig

@@ -106,7 +106,7 @@ config SAMA5D4EK_DRAM_BOOT
 		will simply origin your program at 0x2000:0000 as required by the
 		sdram_main bootloader (vs. 0x2000:8000 as required by U-Boot).
 
-config SAMA5D4EK_NAND_AUTOMOUNT
+config SAMA5D4EK_NAND_BLOCKMOUNT
 	bool "NAND FLASH auto-mount"
 	default n
 	depends on NSH_ARCHINIT && SAMA5_EBICS3_NAND
@@ -116,7 +116,7 @@ config SAMA5D4EK_NAND_AUTOMOUNT
 choice
 	prompt "NAND FLASH configuration"
 	default SAMA5D4EK_NAND_NXFFS
-	depends on SAMA5D4EK_NAND_AUTOMOUNT
+	depends on SAMA5D4EK_NAND_BLOCKMOUNT
 
 config SAMA5D4EK_NAND_FTL
 	bool "Create NAND FLASH block driver"
@@ -145,7 +145,7 @@ config SAMA5D4EK_NAND_NXFFS
 
 endchoice # NAND FLASH configuration
 
-config SAMA5D4EK_AT25_AUTOMOUNT
+config SAMA5D4EK_AT25_BLOCKMOUNT
 	bool "AT25 serial FLASH auto-mount"
 	default n
 	depends on (NSH_ARCHINIT || SAMA5D4EK_AT25_MAIN) && SAMA5_SPI0 && MTD_AT25
@@ -155,7 +155,7 @@ config SAMA5D4EK_AT25_AUTOMOUNT
 choice
 	prompt "AT25 serial FLASH configuration"
 	default SAMA5D4EK_AT25_FTL
-	depends on SAMA5D4EK_AT25_AUTOMOUNT
+	depends on SAMA5D4EK_AT25_BLOCKMOUNT
 
 config SAMA5D4EK_AT25_FTL
 	bool "Create AT25 Serial FLASH block driver"
@@ -183,6 +183,67 @@ config SAMA5D4EK_AT25_NXFFS
 
 endchoice # AT25 serial FLASH configuration
 
+if FS_AUTOMOUNTER
+
+config SAMA5D4EK_HSMCI0_AUTOMOUNT
+	bool "HSMCI0 automounter"
+	default n
+	depends on SAMA5_HSMCI0
+
+if SAMA5D4EK_HSMCI0_AUTOMOUNT
+
+config SAMA5D4EK_HSMCI0_AUTOMOUNT_FSTYPE
+	string "HSMCI0 file system type"
+	default "vfat"
+
+config SAMA5D4EK_HSMCI0_AUTOMOUNT_BLKDEV
+	string "HSMCI0 block device"
+	default "/dev/mmcds0"
+
+config SAMA5D4EK_HSMCI0_AUTOMOUNT_MOUNTPOINT
+	string "HSMCI0 mount point"
+	default "/mnt/sdcard0"
+
+config SAMA5D4EK_HSMCI0_AUTOMOUNT_DDELAY
+	int "HSMCI0 debounce delay (milliseconds)"
+	default 1000
+
+config SAMA5D4EK_HSMCI0_AUTOMOUNT_UDELAY
+	int "HSMCI0 unmount retry delay (milliseconds)"
+	default 2000
+
+endif # SAMA5D4EK_HSMCI0_AUTOMOUNT
+
+config SAMA5D4EK_HSMCI1_AUTOMOUNT
+	bool "HSMCI1 automounter"
+	default n
+	depends on SAMA5_HSMCI1
+
+if SAMA5D4EK_HSMCI1_AUTOMOUNT
+
+config SAMA5D4EK_HSMCI1_AUTOMOUNT_FSTYPE
+	string "HSMCI1 file system type"
+	default "vfat"
+
+config SAMA5D4EK_HSMCI1_AUTOMOUNT_BLKDEV
+	string "HSMCI1 block device"
+	default "/dev/mmcds0"
+
+config SAMA5D4EK_HSMCI1_AUTOMOUNT_MOUNTPOINT
+	string "HSMCI1 mount point"
+	default "/mnt/sdcard0"
+
+config SAMA5D4EK_HSMCI1_AUTOMOUNT_DDELAY
+	int "HSMCI1 debounce delay (milliseconds)"
+	default 1000
+
+config SAMA5D4EK_HSMCI1_AUTOMOUNT_UDELAY
+	int "HSMCI1 unmount retry delay (milliseconds)"
+	default 2000
+
+endif # SAMA5D4EK_HSMCI1_AUTOMOUNT
+endif # FS_AUTOMOUNTER
+
 if INPUT_MXT
 
 config SAMA5D4EK_MXT_I2CFREQUENCY

configs/sama5d4-ek/README.txt

@@ -1434,8 +1434,8 @@ AT25 Serial FLASH
       CONFIG_NSH_ARCHINIT=y                 : NSH board-initialization
 
     Board Selection
-      CONFIG_SAMA5D4EK_AT25_AUTOMOUNT=y         : Mounts AT25 for NSH
+      CONFIG_SAMA5D4EK_AT25_BLOCKMOUNT=y    : Mounts AT25 for NSH
-      CONFIG_SAMA5D4EK_AT25_FTL=y               : Create block driver for FAT
+      CONFIG_SAMA5D4EK_AT25_FTL=y           : Create block driver for FAT
 
   NOTE: that you must close JP6 in order to enable the AT25 FLASH chip select.
 
@@ -2119,8 +2119,8 @@ NAND Support
       to enable SDRAM as described above.
 
     Board Selection
-      CONFIG_SAMA5D4EK_NAND_AUTOMOUNT=y     : Enable FS support on NAND
+      CONFIG_SAMA5D4EK_NAND_BLOCKMOUNT=y : Enable FS support on NAND
-      CONFIG_SAMA5D4EK_NAND_NXFFS=y         : Use the NXFFS file system
+      CONFIG_SAMA5D4EK_NAND_NXFFS=y      : Use the NXFFS file system
 
       Other file systems are not recommended because only NXFFS can handle
       bad blocks and only NXFFS performs wear-levelling.
@@ -2143,8 +2143,8 @@ NAND Support
       Defaults for all other NXFFS settings should be okay.
 
     Board Selection
-      CONFIG_SAMA5D4EK_NAND_AUTOMOUNT=y     : Enable FS support on NAND
+      CONFIG_SAMA5D4EK_NAND_BLOCKOMOUNT=y : Enable FS support on NAND
-      CONFIG_SAMA5D4EK_NAND_FTL=y           : Use an flash translation layer
+      CONFIG_SAMA5D4EK_NAND_FTL=y         : Use an flash translation layer
 
       NOTE:  FTL will require some significant buffering because of
       the large size of the NAND flash blocks.  You will also need
@@ -2161,7 +2161,7 @@ NAND Support
     Using NAND with NXFFS
     ---------------------
 
-    With the options CONFIG_SAMA5D4EK_NAND_AUTOMOUNT=y and
+    With the options CONFIG_SAMA5D4EK_NAND_BLOCKMOUNT=y and
     CONFIG_SAMA5D4EK_NAND_NXFFS=y, the NAND FLASH will be mounted in the NSH
     start-up logic before the NSH prompt appears.  There is no feedback as
     to whether or not the mount was successful.  You can, however, see the

configs/sama5d4-ek/at25boot/defconfig

@@ -322,7 +322,7 @@ CONFIG_SAMA5D4EK_MT47H128M16RT=y
 # CONFIG_SAMA5D4EK_DRAM_MAIN is not set
 CONFIG_SAMA5D4EK_AT25_MAIN=y
 CONFIG_SAMA5D4EK_AT25_PROGSIZE=131072
-CONFIG_SAMA5D4EK_AT25_AUTOMOUNT=y
+CONFIG_SAMA5D4EK_AT25_BLOCKMOUNT=y
 # CONFIG_SAMA5D4EK_AT25_FTL is not set
 CONFIG_SAMA5D4EK_AT25_CHARDEV=y
 

configs/sama5d4-ek/src/Makefile

@@ -76,6 +76,10 @@ CSRCS += sam_at25.c
 endif
 endif
 
+ifeq ($(CONFIG_FS_AUTOMOUNTER),y)
+CSRCS += sam_automount.c
+endif
+
 ifeq ($(CONFIG_AUDIO_WM8904),y)
 ifeq ($(CONFIG_SAMA5_TWI0),y)
 ifeq ($(CONFIG_SAMA5_SSC0),y)

configs/sama5d4-ek/src/at25_main.c

@@ -63,8 +63,8 @@
 #  error The AT25 Serial FLASH is not available
 #endif
 
-#ifndef CONFIG_SAMA5D4EK_AT25_AUTOMOUNT
+#ifndef CONFIG_SAMA5D4EK_AT25_BLOCKMOUNT
-#  error CONFIG_SAMA5D4EK_AT25_AUTOMOUNT must be selected
+#  error CONFIG_SAMA5D4EK_AT25_BLOCKMOUNT must be selected
 #endif
 
 #ifndef CONFIG_SAMA5D4EK_AT25_CHARDEV

configs/sama5d4-ek/src/sam_automount.c

@@ -0,0 +1,390 @@
+/************************************************************************************
+ * configs/sama5d4-ek/src/sam_automount.c
+ *
+ *   Copyright (C) 2014 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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 <nuttx/config.h>
+
+#if defined(CONFIG_FS_AUTOMOUNTER_DEBUG) && !defined(CONFIG_DEBUG_FS)
+#  define CONFIG_DEBUG_FS 1
+#endif
+
+#include <debug.h>
+
+#include <arch/irq.h>
+#include <nuttx/clock.h>
+#include <nuttx/fs/automount.h>
+
+#include "sama5d4-ek.h"
+
+#ifdef HAVE_AUTOMOUNTER
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+#ifndef NULL
+#  define NULL (FAR void *)0
+#endif
+
+#ifndef OK
+#  define OK 0
+#endif
+
+/************************************************************************************
+ * Private Types
+ ************************************************************************************/
+/* This structure represents the changeable state of the automounter */
+
+struct sam_automount_state_s
+{
+  volatile automount_handler_t handler;    /* Upper half handler */
+  FAR void *arg;                           /* Handler argument */
+  bool enable;                             /* Fake interrupt enable */
+  bool pending;                            /* Set if there an event while disabled */
+};
+
+/* This structure represents the static configuration of an automounter */
+
+struct sam_automount_config_s
+{
+  /* This must be first thing in structure so that we can simply cast from struct
+   * automount_lower_s to struct sam_automount_config_s
+   */
+
+  struct automount_lower_s lower;          /* Publicly visible part */
+  uint8_t hsmci;                           /* HSMCI0_SLOTNO or HSMCI1_SLOTNO */
+  FAR struct sam_automount_state_s *state; /* Changeable state */
+};
+
+/************************************************************************************
+ * Private Function Prototypes
+ ************************************************************************************/
+
+static int  sam_attach(FAR const struct automount_lower_s *lower,
+                       automount_handler_t isr, FAR void *arg);
+static void sam_enable(FAR const struct automount_lower_s *lower, bool enable);
+static bool sam_inserted(FAR const struct automount_lower_s *lower);
+
+/************************************************************************************
+ * Private Data
+ ************************************************************************************/
+
+#ifdef CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT
+static struct sam_automount_state_s g_hsmci0state;
+static const struct sam_automount_config_s g_hsmci0config =
+{
+  .lower        =
+  {
+    .fstype     = CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT_FSTYPE,
+    .blockdev   = CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT_BLKDEV,
+    .mountpoint = CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT_MOUNTPOINT,
+    .ddelay     = MSEC2TICK(CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT_DDELAY),
+    .udelay     = MSEC2TICK(CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT_UDELAY),
+    .attach     = sam_attach,
+    .enable     = sam_enable,
+    .inserted   = sam_inserted
+  },
+  .hsmci        = HSMCI0_SLOTNO,
+  .state        = &g_hsmci0state
+};
+#endif
+
+#ifdef CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT
+static struct sam_automount_state_s g_hsmci1state;
+static const struct sam_automount_config_s g_hsmci1config =
+{
+  .lower        =
+  {
+    .fstype     = CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT_FSTYPE,
+    .blockdev   = CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT_BLKDEV,
+    .mountpoint = CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT_MOUNTPOINT,
+    .ddelay     = MSEC2TICK(CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT_DDELAY),
+    .udelay     = MSEC2TICK(CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT_UDELAY),
+    .attach     = sam_attach,
+    .enable     = sam_enable,
+    .inserted   = sam_inserted
+  },
+  .hsmci        = HSMCI1_SLOTNO,
+  .state        = &g_hsmci1state
+};
+#endif
+
+/************************************************************************************
+ * Private Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Name:  sam_automount_initialize
+ *
+ * Description:
+ *   Configure auto-mounters for each enable and so configured HSMCI
+ *
+ * Input Parameters:
+ *   None
+ *
+ *  Returned Value:
+ *    None
+ *
+ ************************************************************************************/
+
+static int sam_attach(FAR const struct automount_lower_s *lower,
+                      automount_handler_t isr, FAR void *arg)
+{
+  FAR const struct sam_automount_config_s *config;
+  FAR struct sam_automount_state_s *state;
+
+  /* Recover references to our structure */
+
+  config = (FAR struct sam_automount_config_s *)lower;
+  DEBUGASSERT(config && config->state);
+
+  state = config->state;
+
+  /* Save the new handler info (clearing the handler first to eliminate race
+   * conditions.
+   */
+
+  state->handler = NULL;
+  state->pending = false;
+  state->arg     = arg;
+  state->handler = isr;
+  return OK;
+}
+
+/************************************************************************************
+ * Name:  sam_automount_initialize
+ *
+ * Description:
+ *   Configure auto-mounters for each enable and so configured HSMCI
+ *
+ * Input Parameters:
+ *   None
+ *
+ *  Returned Value:
+ *    None
+ *
+ ************************************************************************************/
+
+static void sam_enable(FAR const struct automount_lower_s *lower, bool enable)
+{
+  FAR const struct sam_automount_config_s *config;
+  FAR struct sam_automount_state_s *state;
+  irqstate_t flags;
+
+  /* Recover references to our structure */
+
+  config = (FAR struct sam_automount_config_s *)lower;
+  DEBUGASSERT(config && config->state);
+
+  state = config->state;
+
+  /* Save the fake enable setting */
+
+  flags = irqsave();
+  state->enable = enable;
+
+  /* Did an interrupt occur while interrupts were disabled? */
+
+  if (enable && state->pending)
+    {
+      /* Yes.. perform the fake interrupt if the interrutp is attached */
+
+      if (state->handler)
+        {
+          bool inserted = sam_cardinserted(config->hsmci);
+          (void)state->handler(&config->lower, state->arg, inserted);
+        }
+
+      state->pending = false;
+    }
+
+  irqrestore(flags);
+}
+
+/************************************************************************************
+ * Name: sam_automount_initialize
+ *
+ * Description:
+ *   Configure auto-mounters for each enable and so configured HSMCI
+ *
+ * Input Parameters:
+ *   None
+ *
+ *  Returned Value:
+ *    None
+ *
+ ************************************************************************************/
+
+static bool sam_inserted(FAR const struct automount_lower_s *lower)
+{
+  FAR const struct sam_automount_config_s *config;
+
+  config = (FAR struct sam_automount_config_s *)lower;
+  DEBUGASSERT(config && config->state);
+
+  return sam_cardinserted(config->hsmci);
+}
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Name:  sam_automount_initialize
+ *
+ * Description:
+ *   Configure auto-mounters for each enable and so configured HSMCI
+ *
+ * Input Parameters:
+ *   None
+ *
+ *  Returned Value:
+ *    None
+ *
+ ************************************************************************************/
+ 
+void sam_automount_initialize(void)
+{
+  FAR void *handle;
+
+  fvdbg("Initializing automounter(s)\n");
+
+#ifdef CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT
+  /* Initialize the HSMCI0 auto-mounter */
+
+  handle = automount_initialize(&g_hsmci0config.lower);
+  if (!handle)
+    {
+      fdbg("ERROR: Failed to initialize auto-mounter for HSMCI0\n");
+    }
+#endif
+
+#ifdef CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT
+  /* Initialize the HSMCI1 auto-mounter */
+
+  handle = automount_initialize(&g_hsmci1config.lower);
+  if (!handle)
+    {
+      fdbg("ERROR: Failed to initialize auto-mounter for HSMCI1\n");
+    }
+#endif
+}
+
+/************************************************************************************
+ * Name:  sam_automount_event
+ *
+ * Description:
+ *   The HSMCI card detection logic has detected an insertion or removal event.  It
+ *   has already scheduled the MMC/SD block driver operations.  Now we need to
+ *   schedule the auto-mount event which will occur with a substantial delay to make
+ *   sure that everything has settle down.
+ *
+ * Input Parameters:
+ *   slotno - Identifies the HSMCI0 slot: HSMCI0_SLOTNO or HSMCI1_SLOTNO.  There is a 
+ *      terminology problem here:  Each HSMCI supports two slots, slot A and slot B.
+ *      Only slot A is used.  So this is not a really a slot, but an HSCMI peripheral
+ *      number.
+ *   inserted - True if the card is inserted in the slot.  False otherwise.
+ *
+ *  Returned Value:
+ *    None
+ *
+ *  Assumptions:
+ *    Interrupts are disabled.
+ *
+ ************************************************************************************/
+ 
+void sam_automount_event(int slotno, bool inserted)
+{
+  FAR const struct sam_automount_config_s *config;
+  FAR struct sam_automount_state_s *state;
+
+#ifdef CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT
+  /* Is this a change in the HSMCI0 insertion state? */
+
+  if (slotno == HSMCI0_SLOTNO)
+    {
+      /* Yes.. Select the HSMCI0 automounter */
+
+      config = &g_hsmci0config;
+      state  = &g_hsmci0state;
+    }
+  else
+#endif
+
+#ifdef CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT
+  /* Is this a change in the HSMCI1 insertion state? */
+
+  if (slotno == HSMCI1_SLOTNO)
+    {
+      /* Yes.. Select the HSMCI1 automounter */
+
+      config = &g_hsmci1config;
+      state  = &g_hsmci1state;
+    }
+  else
+#endif
+    {
+      fdbg("ERROR: Unsupported HSCMI%d\n", slotno);
+      return;
+    }
+
+  /* Is the auto-mounter interrupt attached? */
+
+  if (state->handler)
+    {
+      /* Yes.. Have we been asked to hold off interrupts? */
+
+      if (!state->enable)
+        {
+          /* Yes.. just remember the there is a pending interrupt. We will
+           * deliver the interrupt when interrupts are "re-enabled."
+           */
+
+          state->pending = true;
+        }
+      else
+        {
+          /* No.. forward the event to the handler */
+
+          (void)state->handler(&config->lower, state->arg, inserted);
+        }
+    }
+}
+
+#endif /* HAVE_AUTOMOUNTER */

configs/sama5d4-ek/src/sam_hsmci.c

@@ -204,14 +204,42 @@ static int sam_hsmci_cardetect(struct sam_hsmci_state_s *state)
 #ifdef CONFIG_SAMA5_HSMCI0
 static int sam_hsmci0_cardetect(int irq, void *regs)
 {
-  return sam_hsmci_cardetect(&g_hsmci0);
+  int ret;
+
+  /* Handle the card detect interrupt.  The interrupt level logic will
+   * kick of the driver-level operations to initialize the MMC/SD block
+   * device.
+   */
+
+  ret = sam_hsmci_cardetect(&g_hsmci0);
+
+#ifdef CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT
+  /* Let the automounter know about the insertion event */
+
+  sam_automount_event(HSMCI0_SLOTNO, sam_cardinserted(HSMCI0_SLOTNO));
+#endif
+
+  return ret;
 }
 #endif
 
 #ifdef CONFIG_SAMA5_HSMCI1
 static int sam_hsmci1_cardetect(int irq, void *regs)
 {
-  return sam_hsmci_cardetect(&g_hsmci1);
+  int ret;
+
+  /* Handle the card detect interrupt.  The interrupt level logic will
+   * kick of the driver-level operations to initialize the MMC/SD block
+   * device.
+   */
+
+  ret = sam_hsmci_cardetect(&g_hsmci1);
+
+#ifdef CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT
+  /* Let the automounter know about the insertion event */
+
+  sam_automount_event(HSMCI1_SLOTNO, sam_cardinserted(HSMCI1_SLOTNO));
+#endif
 }
 #endif
 

configs/sama5d4-ek/src/sam_nsh.c

@@ -135,6 +135,12 @@ int nsh_archinitialize(void)
 #endif
 #endif
 
+#ifdef HAVE_AUTOMOUNTER
+  /* Initialize the automounter */
+
+  sam_automount_initialize();
+#endif
+
 #ifdef HAVE_USBHOST
   /* Initialize USB host operation.  sam_usbhost_initialize() starts a thread
    * will monitor for USB connection and disconnection events.

configs/sama5d4-ek/src/sama5d4-ek.h

@@ -55,18 +55,19 @@
  ************************************************************************************/
 /* Configuration ************************************************************/
 
-#define HAVE_HSMCI      1
+#define HAVE_HSMCI       1
-#define HAVE_AT25       1
+#define HAVE_AT25        1
-#define HAVE_NAND       1
+#define HAVE_NAND        1
-#define HAVE_USBHOST    1
+#define HAVE_AUTOMOUNTER 1
-#define HAVE_USBDEV     1
+#define HAVE_USBHOST     1
-#define HAVE_USBOVCUR   1
+#define HAVE_USBDEV      1
-#define HAVE_USBMONITOR 1
+#define HAVE_USBOVCUR    1
-#define HAVE_NETWORK    1
+#define HAVE_USBMONITOR  1
-#define HAVE_MAXTOUCH   1
+#define HAVE_NETWORK     1
-#define HAVE_WM8904     1
+#define HAVE_MAXTOUCH    1
-#define HAVE_AUDIO_NULL 1
+#define HAVE_WM8904      1
-#define HAVE_PMIC       1
+#define HAVE_AUDIO_NULL  1
+#define HAVE_PMIC        1
 
 /* HSMCI */
 /* Can't support MMC/SD if the card interface(s) are not enable */
@@ -100,7 +101,7 @@
  * asked to mount the NAND part
  */
 
-#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_SAMA5D4EK_NAND_AUTOMOUNT)
+#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_SAMA5D4EK_NAND_BLOCKMOUNT)
 #  undef HAVE_NAND
 #endif
 
@@ -145,7 +146,7 @@
  * asked to mount the AT25 part
  */
 
-#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_SAMA5D4EK_AT25_AUTOMOUNT)
+#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_SAMA5D4EK_AT25_BLOCKMOUNT)
 #  undef HAVE_AT25
 #endif
 
@@ -220,6 +221,75 @@
 #else
 #endif
 
+/* Automounter.  Currently only works with HSMCI. */
+
+#if !defined(CONFIG_FS_AUTOMOUNTER) || !defined(HAVE_HSMCI)
+#  undef HAVE_AUTOMOUNTER
+#endif
+
+#ifndef CONFIG_SAMA5_HSMCI0
+#  undef CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT
+#endif
+
+#ifndef CONFIG_SAMA5_HSMCI1
+#  undef CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT
+#endif
+
+#if !defined(CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT) && \
+    !defined(CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT)
+#  undef HAVE_AUTOMOUNTER
+#endif
+
+#ifdef HAVE_AUTOMOUNTER
+#  ifdef CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT
+  /* HSMCI0 Automounter defaults */
+
+#    ifndef CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT_FSTYPE
+#      define CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT_FSTYPE "vfat"
+#    endif
+
+#    ifndef CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT_BLKDEV
+#      define CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT_BLKDEV "/dev/mmcds0"
+#    endif
+
+#    ifndef CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT_MOUNTPOINT
+#      define CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT_MOUNTPOINT "/mnt/sdcard0"
+#    endif
+
+#    ifndef CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT_DDELAY
+#      define CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT_DDELAY 1000
+#    endif
+
+#    ifndef CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT_UDELAY
+#      define CONFIG_SAMA5D4EK_HSMCI0_AUTOMOUNT_UDELAY 2000
+#    endif
+#  endif
+
+#  ifdef CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT
+  /* HSMCI1 Automounter defaults */
+
+#    ifndef CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT_FSTYPE
+#      define CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT_FSTYPE "vfat"
+#    endif
+
+#    ifndef CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT_BLKDEV
+#      define CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT_BLKDEV "/dev/mmcds0"
+#    endif
+
+#    ifndef CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT_MOUNTPOINT
+#      define CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT_MOUNTPOINT "/mnt/sdcard0"
+#    endif
+
+#    ifndef CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT_DDELAY
+#      define CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT_DDELAY 1000
+#    endif
+
+#    ifndef CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT_UDELAY
+#      define CONFIG_SAMA5D4EK_HSMCI1_AUTOMOUNT_UDELAY 2000
+#    endif
+#  endif
+#endif
+
 /* USB Host / USB Device */
 /* Either CONFIG_SAMA5_UHPHS or CONFIG_SAMA5_UDPHS must be defined, or there is
  * no USB of any kind.
@@ -858,6 +928,52 @@ int sam_hsmci_initialize(int slotno, int minor);
 bool sam_cardinserted(int slotno);
 #endif
 
+/************************************************************************************
+ * Name:  sam_automount_initialize
+ *
+ * Description:
+ *   Configure auto-mounters for each enable and so configured HSMCI
+ *
+ * Input Parameters:
+ *   None
+ *
+ *  Returned Value:
+ *    None
+ *
+ ************************************************************************************/
+
+#ifdef HAVE_AUTOMOUNTER
+void sam_automount_initialize(void);
+#endif
+
+/************************************************************************************
+ * Name:  sam_automount_event
+ *
+ * Description:
+ *   The HSMCI card detection logic has detected an insertion or removal event.  It
+ *   has already scheduled the MMC/SD block driver operations.  Now we need to
+ *   schedule the auto-mount event which will occur with a substantial delay to make
+ *   sure that everything has settle down.
+ *
+ * Input Parameters:
+ *   slotno - Identifies the HSMCI0 slot: HSMCI0 or HSMCI1_SLOTNO.  There is a
+ *      terminology problem here:  Each HSMCI supports two slots, slot A and slot B.
+ *      Only slot A is used.  So this is not a really a slot, but an HSCMI peripheral
+ *      number.
+ *   inserted - True if the card is inserted in the slot.  False otherwise.
+ *
+ *  Returned Value:
+ *    None
+ *
+ *  Assumptions:
+ *    Interrupts are disabled.
+ *
+ ************************************************************************************/
+
+#ifdef HAVE_AUTOMOUNTER
+void sam_automount_event(int slotno, bool inserted);
+#endif
+
 /************************************************************************************
  * Name: sam_writeprotected
  *

fs/fs_automount.c

@@ -199,6 +199,8 @@ static void automount_mount(FAR struct automounter_state_s *priv)
   FAR const struct automount_lower_s *lower = priv->lower;
   int ret;
 
+  fvdbg("Mounting %s\n", lower->mountpoint);
+
   /* Check if the something is already mounted at the mountpoint. */
 
   ret = automount_findinode(lower->mountpoint);
@@ -274,6 +276,8 @@ static int automount_unmount(FAR struct automounter_state_s *priv)
   FAR const struct automount_lower_s *lower = priv->lower;
   int ret;
 
+  fvdbg("Unmounting %s\n", lower->mountpoint);
+
   /* Check if the something is already mounted at the mountpoint. */
 
   ret = automount_findinode(lower->mountpoint);
@@ -366,6 +370,7 @@ static void automount_timeout(int argc, uint32_t arg1, ...)
     (FAR struct automounter_state_s *)((uintptr_t)arg1);
   int ret;
 
+  fllvdbg("Timeout!\n");
   DEBUGASSERT(argc == 1 && priv);
 
   /* Check the state of things.  This timeout at the interrupt level and
@@ -379,7 +384,7 @@ static void automount_timeout(int argc, uint32_t arg1, ...)
 
   /* Queue work to occur immediately. */
 
-  ret = work_queue(LPWORK, &priv->work, automount_worker, priv,  0);
+  ret = work_queue(LPWORK, &priv->work, automount_worker, priv, 0);
   if (ret < 0)
     {
       /* NOTE: Currently, work_cancel only returns success */
@@ -565,7 +570,19 @@ FAR void *automount_initialize(FAR const struct automount_lower_s *lower)
   /* Handle the initial state of the mount on the caller's thread */
 
   priv->inserted = AUTOMOUNT_INSERTED(lower);
-  automount_worker(priv);
+
+  /* Set up the first action at a delay from the initialization time (to
+   * allow time for any extended block driver initialization to complete.
+   */
+
+  ret = work_queue(LPWORK, &priv->work, automount_worker, priv,
+                   priv->lower->ddelay);
+  if (ret < 0)
+    {
+      /* NOTE: Currently, work_cancel only returns success */
+
+      fdbg("ERROR: Failed to schedule work: %d\n", ret);
+    }
 
   /* Attach and enable automounter interrupts */
 

include/nuttx/fs/automount.h

@@ -107,7 +107,7 @@ struct automount_lower_s
 
   uint32_t ddelay;
 
-  /* Unmount delay time in sysem clock ticks.  If a volume has open
+  /* Unmount delay time in system clock ticks.  If a volume has open
    * references at the time that the media is removed, then we will be
    * unable to unmount it.  In that case, hopefully, the clients of the
    * mount will eventually fail with file access errors and eventually close