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Posted to commits@nuttx.apache.org by xi...@apache.org on 2021/03/29 04:28:57 UTC

[incubator-nuttx] branch master updated: board: Add support for nucleo-h743i2

This is an automated email from the ASF dual-hosted git repository.

xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git


The following commit(s) were added to refs/heads/master by this push:
     new ffe5ac7  board: Add support for nucleo-h743i2
ffe5ac7 is described below

commit ffe5ac7c458d93216a8e586927490dc086f79f86
Author: Brennan Ashton <ba...@brennanashton.com>
AuthorDate: Sat Mar 27 14:19:10 2021 -0700

    board: Add support for nucleo-h743i2
---
 boards/Kconfig                                     |  12 +
 boards/arm/stm32h7/nucleo-h743zi/Kconfig           |  16 -
 .../arm/stm32h7/nucleo-h743zi/src/nucleo-h743zi.h  |   5 -
 boards/arm/stm32h7/nucleo-h743zi/src/stm32_usb.c   |   6 -
 boards/arm/stm32h7/nucleo-h743zi2/Kconfig          |   8 +
 boards/arm/stm32h7/nucleo-h743zi2/README.txt       | 262 +++++++++++++
 .../stm32h7/nucleo-h743zi2/configs/jumbo/defconfig | 146 +++++++
 .../stm32h7/nucleo-h743zi2/configs/nsh/defconfig   |  46 +++
 boards/arm/stm32h7/nucleo-h743zi2/include/board.h  | 422 +++++++++++++++++++++
 .../arm/stm32h7/nucleo-h743zi2/scripts/Make.defs   |  75 ++++
 boards/arm/stm32h7/nucleo-h743zi2/scripts/flash.ld | 193 ++++++++++
 .../arm/stm32h7/nucleo-h743zi2/scripts/gnu-elf.ld  | 126 ++++++
 .../arm/stm32h7/nucleo-h743zi2/scripts/memory.ld   |  52 +++
 .../stm32h7/nucleo-h743zi2/scripts/user-space.ld   |  98 +++++
 boards/arm/stm32h7/nucleo-h743zi2/src/Makefile     |  47 +++
 .../stm32h7/nucleo-h743zi2/src/nucleo-h743zi2.h    | 151 ++++++++
 .../nucleo-h743zi2/src/stm32_appinitialize.c       |  75 ++++
 .../stm32h7/nucleo-h743zi2/src/stm32_autoleds.c    | 173 +++++++++
 boards/arm/stm32h7/nucleo-h743zi2/src/stm32_boot.c |  91 +++++
 .../arm/stm32h7/nucleo-h743zi2/src/stm32_bringup.c | 186 +++++++++
 .../arm/stm32h7/nucleo-h743zi2/src/stm32_ostest.c  |  95 +++++
 .../arm/stm32h7/nucleo-h743zi2/src/stm32_reset.c   |  62 +++
 .../src/stm32_usb.c                                |  24 +-
 .../stm32h7/nucleo-h743zi2/src/stm32_userleds.c    | 129 +++++++
 24 files changed, 2458 insertions(+), 42 deletions(-)

diff --git a/boards/Kconfig b/boards/Kconfig
index 424533f..19db71c 100644
--- a/boards/Kconfig
+++ b/boards/Kconfig
@@ -1245,6 +1245,14 @@ config ARCH_BOARD_NUCLEO_H743ZI
 	---help---
 		STMicro Nucleo H743ZI board based on the STMicro STM32H743ZI MCU.
 
+config ARCH_BOARD_NUCLEO_H743ZI2
+	bool "STM32H743 Nucleo H743ZI2"
+	depends on ARCH_CHIP_STM32H743ZI
+	select ARCH_HAVE_LEDS
+	select ARCH_HAVE_BUTTONS
+	---help---
+		STMicro Nucleo H743ZI2 board based on the STMicro STM32H743ZI MCU.
+
 config ARCH_BOARD_NUCLEO_L152RE
 	bool "STM32L152 Nucleo L152RE"
 	depends on ARCH_CHIP_STM32L152RE
@@ -2330,6 +2338,7 @@ config ARCH_BOARD
 	default "nucleo-g070rb"            if ARCH_BOARD_NUCLEO_G070RB
 	default "nucleo-g071rb"            if ARCH_BOARD_NUCLEO_G071RB
 	default "nucleo-h743zi"            if ARCH_BOARD_NUCLEO_H743ZI
+	default "nucleo-h743zi2"           if ARCH_BOARD_NUCLEO_H743ZI2
 	default "nucleo-l073rz"            if ARCH_BOARD_NUCLEO_L073RZ
 	default "nucleo-l152re"            if ARCH_BOARD_NUCLEO_L152RE
 	default "nucleo-l432kc"            if ARCH_BOARD_NUCLEO_L432KC
@@ -2798,6 +2807,9 @@ endif
 if ARCH_BOARD_NUCLEO_H743ZI
 source "boards/arm/stm32h7/nucleo-h743zi/Kconfig"
 endif
+if ARCH_BOARD_NUCLEO_H743ZI2
+source "boards/arm/stm32h7/nucleo-h743zi2/Kconfig"
+endif
 if ARCH_BOARD_B_L475E_IOT01A
 source "boards/arm/stm32l4/b-l475e-iot01a/Kconfig"
 endif
diff --git a/boards/arm/stm32h7/nucleo-h743zi/Kconfig b/boards/arm/stm32h7/nucleo-h743zi/Kconfig
index c648632..48652af 100644
--- a/boards/arm/stm32h7/nucleo-h743zi/Kconfig
+++ b/boards/arm/stm32h7/nucleo-h743zi/Kconfig
@@ -5,22 +5,6 @@
 
 if ARCH_BOARD_NUCLEO_H743ZI
 
-choice
-        prompt "STM Nucleo-144 Board Variant"
-        default STM_NUCLEO144_MB1364
-
-config STM_NUCLEO144_MB1364
-        bool "Nucleo-H743ZI2 (MB1364)"
-        ---help---
-                This is the current version of the Nucelo-144 for the H743ZI
-
-config STM_NUCLEO144_MB1137
-        bool "Nucleo-H743ZI (MB1137)"
-        ---help---
-                This is the origional version of the Nucelo-144 for the H743ZI
-
-endchoice
-
 config STM32_ROMFS
         bool "Automount baked-in ROMFS image"
         default n
diff --git a/boards/arm/stm32h7/nucleo-h743zi/src/nucleo-h743zi.h b/boards/arm/stm32h7/nucleo-h743zi/src/nucleo-h743zi.h
index fd84a4a..6919b81 100644
--- a/boards/arm/stm32h7/nucleo-h743zi/src/nucleo-h743zi.h
+++ b/boards/arm/stm32h7/nucleo-h743zi/src/nucleo-h743zi.h
@@ -144,13 +144,8 @@
 #define GPIO_OTGFS_VBUS   (GPIO_INPUT|GPIO_FLOAT|GPIO_SPEED_100MHz| \
                            GPIO_OPENDRAIN|GPIO_PORTA|GPIO_PIN9)
 
-#if defined(CONFIG_STM_NUCLEO144_MB1137)
 # define GPIO_OTGFS_PWRON  (GPIO_OUTPUT|GPIO_FLOAT|GPIO_SPEED_100MHz|  \
                            GPIO_PUSHPULL|GPIO_PORTG|GPIO_PIN6)
-#elif defined(CONFIG_STM_NUCLEO144_MB1364)
-# define GPIO_OTGFS_PWRON  (GPIO_OUTPUT|GPIO_FLOAT|GPIO_SPEED_100MHz|  \
-                           GPIO_PUSHPULL|GPIO_PORTD|GPIO_PIN10)
-#endif
 
 #ifdef CONFIG_USBHOST
 #  define GPIO_OTGFS_OVER (GPIO_INPUT|GPIO_EXTI|GPIO_FLOAT| \
diff --git a/boards/arm/stm32h7/nucleo-h743zi/src/stm32_usb.c b/boards/arm/stm32h7/nucleo-h743zi/src/stm32_usb.c
index c7ce67c..8127e22 100644
--- a/boards/arm/stm32h7/nucleo-h743zi/src/stm32_usb.c
+++ b/boards/arm/stm32h7/nucleo-h743zi/src/stm32_usb.c
@@ -275,13 +275,7 @@ void stm32_usbhost_vbusdrive(int iface, bool enable)
 
   /* Set the Power Switch by driving the active high enable pin */
 
-#if defined(CONFIG_STM_NUCLEO144_MB1137)
   stm32_gpiowrite(GPIO_OTGFS_PWRON, enable);
-#elif defined(CONFIG_STM_NUCLEO144_MB1364)
-  stm32_gpiowrite(GPIO_OTGFS_PWRON, !enable);
-#else
-# error "Non-supported board"
-#endif
 }
 #endif
 
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/Kconfig b/boards/arm/stm32h7/nucleo-h743zi2/Kconfig
new file mode 100644
index 0000000..e09a116
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi2/Kconfig
@@ -0,0 +1,8 @@
+#
+# For a description of the syntax of this configuration file,
+# see the file kconfig-language.txt in the NuttX tools repository.
+#
+
+if ARCH_BOARD_NUCLEO_H743ZI2
+
+endif # ARCH_BOARD_NUCLEO_H743ZI2
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/README.txt b/boards/arm/stm32h7/nucleo-h743zi2/README.txt
new file mode 100644
index 0000000..b1f62ae
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi2/README.txt
@@ -0,0 +1,262 @@
+README
+======
+
+  This README discusses issues unique to NuttX configurations for the
+  STMicro NUCLEO-H743ZI2 development board featuring the STM32H743ZI
+  MCU. The STM32H743ZI is a 400MHz Cortex-M7 operation with 2MBytes Flash
+  memory and 1MByte SRAM. The board features:
+
+  - On-board ST-LINK/V2 for programming and debugging,
+  - 3 user LEDs
+  - Two pushbuttons (user and reset)
+  - 32.768 kHz crystal oscillator
+  - USB OTG FS with Micro-AB connectors
+  - Ethernet connector compliant with IEEE-802.3-2002
+  - Board connectors:
+    - USB with Micro-AB
+    - SWD
+    - Ethernet RJ45
+    - ST Zio connector including Arduino Uno V3
+    - ST morpho
+
+  Refer to the http://www.st.com website for further information about this
+  board (search keyword: NUCLEO-H743ZI2)
+
+Contents
+========
+
+  - Serial Console
+  - Configurations
+
+Serial Console
+==============
+
+  Many options are available for a serial console via the Morpho connector.
+  Here two common serial console options are suggested:
+
+  1. Arduino Serial Shield.
+
+    If you are using a standard Arduino RS-232 shield with the serial
+    interface with RX on pin D0 and TX on pin D1 from USART6:
+
+      -------- ---------------
+               STM32H7
+      ARDUINO  FUNCTION  GPIO
+      -- ----- --------- -----
+      DO RX    USART6_RX PG9
+      D1 TX    USART6_TX PG14
+      -- ----- --------- -----
+
+  2. Nucleo Virtual Console.
+
+    The virtual console uses Serial Port 3 (USART3) with TX on PD8 and RX on
+    PD9.
+
+      ----------------- ---
+      VCOM Signal       Pin
+      ----------------- ---
+      SERIAL_RX         PD9
+      SERIAL_TX         PD8
+      ----------------- ---
+
+    These signals are internally connected to the on board ST-Link.
+
+  The Nucleo virtual console is the default serial console in all
+  configurations unless otherwise stated in the description of the
+  configuration.
+
+Configurations
+==============
+
+  Configuration Sub-directories
+  -----------------------------
+
+  nsh:
+
+    This configuration provides a basic NuttShell configuration (NSH)
+    for the Nucleo-H743ZI.  The default console is the VCOM on USART3.
+
+  jumbo:
+
+    This configuration enables many Apache Nuttx features.  This is
+    mostly to help provide additional code coverage in CI, but also
+    allows for a users to see a wide range of features that are
+    supported by the OS.
+    Some highlights:
+      NSH:
+       - Readline with tab completion
+       - Readline command history
+
+      Performance and Monitoring:
+       - RAM backed syslog
+       - Syslog with process name, priority, and timestamp
+       - Process Snapshot with stack usage, cpu usage, and signal information
+       - Interrupt Statistics
+
+      Networking:
+       - IPv4 Networking
+       - Ethernet
+       - DHCP Client
+       - iperf
+       - telnet deamon
+
+      File Systems:
+       - FAT filesystem
+       - LittleFS
+       - RAM MTD device
+      Testing:
+       - OS Test with FPU support
+       - Filesystem testing
+      
+      USB Host:
+       - USB Hub support
+       - Mass Storage Device
+       - Trace Monitoring
+
+```
+NuttShell (NSH) NuttX-10.0.1
+nsh> uname -a
+NuttX  10.0.1 3ab35e48ff-dirty Mar 28 2021 15:35:29 arm nucleo-h743zi2
+nsh> ?
+help usage:  help [-v] [<cmd>]
+
+  .         cd        dmesg     hexdump   mkrd      reboot    telnetd   xd        
+  [         cp        echo      ifconfig  mh        rm        time      
+  ?         cmp       env       irqinfo   mount     rmdir     true      
+  addroute  dirname   exec      kill      mv        route     uname     
+  arp       date      exit      ls        mw        set       umount    
+  basename  dd        false     mb        nslookup  sleep     unset     
+  break     delroute  free      mkdir     ps        source    usleep    
+  cat       df        help      mkfatfs   pwd       test      wget      
+
+Builtin Apps:
+  fstest    getprime  nsh       ostest    ping      renew     sh
+nsh> ps
+  PID PRI POLICY   TYPE    NPX STATE    EVENT     SIGMASK   STACK   USED  FILLED    CPU COMMAND
+    0   0 FIFO     Kthread N-- Ready              00000000 001024 000472  46.0%  100.0% Idle Task
+    1 224 RR       Kthread --- Waiting  Signal    00000000 002036 000456  22.3%    0.0% hpwork
+    2 100 RR       Kthread --- Waiting  Signal    00000000 002036 000680  33.3%    0.0% lpwork
+    3 100 RR       Task    --- Running            00000000 004084 001304  31.9%    0.0% init
+    4 100 RR       Kthread --- Waiting  Semaphore 00000000 002036 000752  36.9%    0.0% usbhost
+    5  50 RR       Kthread --- Waiting  Signal    00000000 004076 000472  11.5%    0.0% USB Monitor
+    6 100 RR       Task    --- Waiting  Semaphore 00000000 002012 000648  32.2%    0.0% Telnet daemon 0x38005600
+nsh> free
+                     total       used       free    largest
+        Umem:       944336     159520     784816     451712
+nsh> irqinfo
+IRQ HANDLER  ARGUMENT    COUNT    RATE    TIME
+  3 080011ed 00000000       1599   20.405    0
+ 15 08004e0d 00000000       7836  100.000 10000
+ 55 08000799 24000000       1122   14.318    0
+ 77 0800580b 00000000         14    0.178    0
+117 0802c6f1 00000000       1372   17.544    0
+nsh> date; sleep 2; date
+Thu, Jan 01 00:01:50 1970
+Thu, Jan 01 00:01:52 1970
+nsh> ifconfig
+eth0    Link encap:Ethernet HWaddr 46:fd:66:78:aa:54 at UP
+        inet addr:10.0.0.2 DRaddr:10.0.0.1 Mask:255.255.255.0
+
+lo      Link encap:Local Loopback at UP
+        inet addr:127.0.0.1 DRaddr:127.0.0.1 Mask:255.0.0.0
+
+             IPv4   TCP   UDP  ICMP
+Received     0004  0000  0004  0000
+Dropped      0000  0000  0000  0000
+  IPv4        VHL: 0000   Frg: 0000
+  Checksum   0000  0000  0000  ----
+  TCP         ACK: 0000   SYN: 0000
+              RST: 0000  0000
+  Type       0000  ----  ----  0000
+Sent         0000  0000  0000  0000
+  Rexmit     ----  0000  ----  ----
+nsh> renew eth0
+nsh> ifconfig
+eth0    Link encap:Ethernet HWaddr 46:fd:66:78:aa:54 at UP
+        inet addr:192.168.86.249 DRaddr:192.168.86.1 Mask:255.255.255.0
+
+lo      Link encap:Local Loopback at UP
+        inet addr:127.0.0.1 DRaddr:127.0.0.1 Mask:255.0.0.0
+
+             IPv4   TCP   UDP  ICMP
+Received     0007  0000  0007  0000
+Dropped      0000  0000  0000  0000
+  IPv4        VHL: 0000   Frg: 0000
+  Checksum   0000  0000  0000  ----
+  TCP         ACK: 0000   SYN: 0000
+              RST: 0000  0000
+  Type       0000  ----  ----  0000
+Sent         0002  0000  0002  0000
+  Rexmit     ----  0000  ----  ----
+nsh> ping www.google.com
+PING 172.217.14.196 56 bytes of data
+56 bytes from 172.217.14.196: icmp_seq=0 time=10 ms
+56 bytes from 172.217.14.196: icmp_seq=1 time=0 ms
+56 bytes from 172.217.14.196: icmp_seq=2 time=0 ms
+56 bytes from 172.217.14.196: icmp_seq=3 time=0 ms
+56 bytes from 172.217.14.196: icmp_seq=4 time=0 ms
+56 bytes from 172.217.14.196: icmp_seq=5 time=0 ms
+56 bytes from 172.217.14.196: icmp_seq=6 time=0 ms
+56 bytes from 172.217.14.196: icmp_seq=7 time=0 ms
+56 bytes from 172.217.14.196: icmp_seq=8 time=0 ms
+56 bytes from 172.217.14.196: icmp_seq=9 time=0 ms
+10 packets transmitted, 10 received, 0% packet loss, time 10100 ms
+nsh> 
+nsh> ls /dev
+/dev:
+ console
+ null
+ ramlog
+ rammtd
+ sda
+ telnet
+ ttyS0
+nsh> ls /mnt
+/mnt:
+ lfs/
+nsh> echo "This will go away on reboot." > /mnt/lfs/afile
+nsh> cat /mnt/lfs/afile
+This will go away on reboot.
+nsh> mount -t vfat /dev/sda /mnt/sda
+nsh> echo "This will stay on the USB drive" > /mnt/sda/afile
+nsh> ls /mnt/sda
+/mnt/sda:
+ afile
+nsh> reboot
+
+NuttShell (NSH) NuttX-10.0.1
+nsh> mount -t vfat /dev/sda /mnt/sda
+nsh> ls /mnt/lfs
+/mnt/lfs:
+ .
+ ..
+nsh> ls /mnt/sda
+/mnt/sda:
+ afile
+nsh> cat /mnt/sda/afile
+This will stay on the USB drive
+nsh> 
+```
+
+
+
+```
+❯ telnet 192.168.86.249
+Trying 192.168.86.249...
+Connected to 192.168.86.249.
+Escape character is '^]'.
+
+NuttShell (NSH) NuttX-10.0.1
+nsh> ps
+  PID PRI POLICY   TYPE    NPX STATE    EVENT     SIGMASK   STACK   USED  FILLED    CPU COMMAND
+    0   0 FIFO     Kthread N-- Ready              00000000 001024 000472  46.0%  100.0% Idle Task
+    1 224 RR       Kthread --- Waiting  Signal    00000000 002036 000456  22.3%    0.0% hpwork
+    2 100 RR       Kthread --- Waiting  Signal    00000000 002036 000680  33.3%    0.0% lpwork
+    3 100 RR       Task    --- Waiting  Semaphore 00000000 004084 001304  31.9%    0.0% init
+    4 100 RR       Kthread --- Waiting  Semaphore 00000000 002036 000752  36.9%    0.0% usbhost
+    5  50 RR       Kthread --- Waiting  Signal    00000000 004076 000472  11.5%    0.0% USB Monitor
+    6 100 RR       Task    --- Waiting  Semaphore 00000000 002012 000648  32.2%    0.0% Telnet daemon 0x38005600
+    9 100 RR       Kthread --- Waiting  Semaphore 00000000 001004 000448  44.6%    0.0% telnet_io
+   10 100 RR       Task    --- Running            00000000 002028 001328  65.4%    0.0% Telnet session
+nsh> 
+```
\ No newline at end of file
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/configs/jumbo/defconfig b/boards/arm/stm32h7/nucleo-h743zi2/configs/jumbo/defconfig
new file mode 100644
index 0000000..3cf9812
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi2/configs/jumbo/defconfig
@@ -0,0 +1,146 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+# CONFIG_FS_PROCFS_EXCLUDE_ENVIRON is not set
+# CONFIG_NSH_DISABLE_DATE is not set
+# CONFIG_STANDARD_SERIAL is not set
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD="nucleo-h743zi2"
+CONFIG_ARCH_BOARD_NUCLEO_H743ZI2=y
+CONFIG_ARCH_CHIP="stm32h7"
+CONFIG_ARCH_CHIP_STM32H743ZI=y
+CONFIG_ARCH_CHIP_STM32H7=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARMV7M_DCACHE=y
+CONFIG_ARMV7M_DCACHE_WRITETHROUGH=y
+CONFIG_ARMV7M_DTCM=y
+CONFIG_ARMV7M_ICACHE=y
+CONFIG_ARMV7M_LAZYFPU=y
+CONFIG_BOARDCTL_RESET=y
+CONFIG_BOARD_LOOPSPERMSEC=43103
+CONFIG_BUILTIN=y
+CONFIG_DEBUG_ERROR=y
+CONFIG_DEBUG_FEATURES=y
+CONFIG_DEBUG_FULLOPT=y
+CONFIG_DEBUG_SYMBOLS=y
+CONFIG_DEBUG_USB=y
+CONFIG_DEBUG_USB_ERROR=y
+CONFIG_DEBUG_USB_WARN=y
+CONFIG_DEBUG_WARN=y
+CONFIG_DEFAULT_TASK_STACKSIZE=4096
+CONFIG_DHCPC_RENEW_STACKSIZE=2048
+CONFIG_ETH0_PHY_LAN8742A=y
+CONFIG_EXAMPLES_HIDKBD=y
+CONFIG_EXAMPLES_IPERF=y
+CONFIG_EXAMPLES_IPERFTEST_DEVNAME="eth0"
+CONFIG_EXAMPLES_TOUCHSCREEN=y
+CONFIG_EXAMPLES_TOUCHSCREEN_DEVPATH="/dev/mouse0"
+CONFIG_EXAMPLES_TOUCHSCREEN_MOUSE=y
+CONFIG_FAT_LCNAMES=y
+CONFIG_FS_FAT=y
+CONFIG_FS_LITTLEFS=y
+CONFIG_FS_PROCFS=y
+CONFIG_FS_PROCFS_REGISTER=y
+CONFIG_HAVE_CXX=y
+CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_INTELHEX_BINARY=y
+CONFIG_LIBM=y
+CONFIG_MAX_TASKS=16
+CONFIG_MM_REGIONS=4
+CONFIG_MTD=y
+CONFIG_NET=y
+CONFIG_NETDB_DNSCLIENT=y
+CONFIG_NETUTILS_DISCOVER=y
+CONFIG_NETUTILS_NETCAT=y
+CONFIG_NETUTILS_TELNETD=y
+CONFIG_NETUTILS_WEBCLIENT=y
+CONFIG_NET_ARP_IPIN=y
+CONFIG_NET_ARP_SEND=y
+CONFIG_NET_BROADCAST=y
+CONFIG_NET_ETH_PKTSIZE=1500
+CONFIG_NET_ICMP=y
+CONFIG_NET_ICMP_SOCKET=y
+CONFIG_NET_IGMP=y
+CONFIG_NET_LOOPBACK=y
+CONFIG_NET_ROUTE=y
+CONFIG_NET_STATISTICS=y
+CONFIG_NET_TCP=y
+CONFIG_NET_UDP=y
+CONFIG_NET_UDP_CHECKSUMS=y
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_DISABLE_IFUPDOWN=y
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_LINELEN=64
+CONFIG_NSH_MAXARGUMENTS=12
+CONFIG_NSH_READLINE=y
+CONFIG_NSH_TELNETD_CLIENTSTACKSIZE=2048
+CONFIG_NSH_TELNETD_DAEMONSTACKSIZE=2048
+CONFIG_PREALLOC_TIMERS=4
+CONFIG_PTHREAD_STACK_DEFAULT=2048
+CONFIG_RAMLOG=y
+CONFIG_RAMLOG_BUFSIZE=10240
+CONFIG_RAMLOG_SYSLOG=y
+CONFIG_RAMMTD=y
+CONFIG_RAM_SIZE=245760
+CONFIG_RAM_START=0x20010000
+CONFIG_RAW_BINARY=y
+CONFIG_READLINE_CMD_HISTORY=y
+CONFIG_READLINE_TABCOMPLETION=y
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_CPULOAD=y
+CONFIG_SCHED_HPWORK=y
+CONFIG_SCHED_HPWORKSTACKSIZE=2048
+CONFIG_SCHED_IRQMONITOR=y
+CONFIG_SCHED_LPWORK=y
+CONFIG_SCHED_LPWORKSTACKSIZE=2048
+CONFIG_SCHED_WAITPID=y
+CONFIG_SDCLONE_DISABLE=y
+CONFIG_STACK_COLORATION=y
+CONFIG_START_DAY=6
+CONFIG_START_MONTH=12
+CONFIG_START_YEAR=2011
+CONFIG_STM32H7_ETHMAC=y
+CONFIG_STM32H7_OTGFS=y
+CONFIG_STM32H7_PHYSR=31
+CONFIG_STM32H7_PHYSR_100FD=0x0018
+CONFIG_STM32H7_PHYSR_100HD=0x0008
+CONFIG_STM32H7_PHYSR_10FD=0x0014
+CONFIG_STM32H7_PHYSR_10HD=0x0004
+CONFIG_STM32H7_PHYSR_ALTCONFIG=y
+CONFIG_STM32H7_PHYSR_ALTMODE=0x001c
+CONFIG_STM32H7_USART3=y
+CONFIG_SYSLOG_INTBUFFER=y
+CONFIG_SYSLOG_PRIORITY=y
+CONFIG_SYSLOG_PROCESS_NAME=y
+CONFIG_SYSLOG_TIMESTAMP=y
+CONFIG_SYSTEM_CLE=y
+CONFIG_SYSTEM_DHCPC_RENEW=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_SYSTEM_NSH_STACKSIZE=2048
+CONFIG_SYSTEM_PING=y
+CONFIG_SYSTEM_PING_STACKSIZE=2048
+CONFIG_TASK_NAME_SIZE=16
+CONFIG_TASK_SPAWN_DEFAULT_STACKSIZE=2048
+CONFIG_TESTING_FSTEST=y
+CONFIG_TESTING_FSTEST_STACKSIZE=2048
+CONFIG_TESTING_GETPRIME=y
+CONFIG_TESTING_GETPRIME_STACKSIZE=2048
+CONFIG_TESTING_OSTEST=y
+CONFIG_TESTING_OSTEST_FPUSIZE=132
+CONFIG_TESTING_OSTEST_FPUSTACKSIZE=2048
+CONFIG_USART3_SERIAL_CONSOLE=y
+CONFIG_USBHOST=y
+CONFIG_USBHOST_HIDKBD=y
+CONFIG_USBHOST_HIDMOUSE=y
+CONFIG_USBHOST_HUB=y
+CONFIG_USBHOST_MSC=y
+CONFIG_USBHOST_MSC_NOTIFIER=y
+CONFIG_USBHOST_TRACE=y
+CONFIG_USBHOST_TRACE_VERBOSE=y
+CONFIG_USBMONITOR=y
+CONFIG_USER_ENTRYPOINT="nsh_main"
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/configs/nsh/defconfig b/boards/arm/stm32h7/nucleo-h743zi2/configs/nsh/defconfig
new file mode 100644
index 0000000..79914b0
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi2/configs/nsh/defconfig
@@ -0,0 +1,46 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+# CONFIG_NSH_DISABLE_IFCONFIG is not set
+# CONFIG_NSH_DISABLE_PS is not set
+# CONFIG_STANDARD_SERIAL is not set
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD="nucleo-h743zi2"
+CONFIG_ARCH_BOARD_NUCLEO_H743ZI2=y
+CONFIG_ARCH_CHIP="stm32h7"
+CONFIG_ARCH_CHIP_STM32H743ZI=y
+CONFIG_ARCH_CHIP_STM32H7=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARMV7M_DCACHE=y
+CONFIG_ARMV7M_DCACHE_WRITETHROUGH=y
+CONFIG_ARMV7M_DTCM=y
+CONFIG_ARMV7M_ICACHE=y
+CONFIG_BOARD_LOOPSPERMSEC=43103
+CONFIG_BUILTIN=y
+CONFIG_DEBUG_SYMBOLS=y
+CONFIG_INTELHEX_BINARY=y
+CONFIG_MAX_TASKS=16
+CONFIG_MM_REGIONS=4
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_LINELEN=64
+CONFIG_NSH_READLINE=y
+CONFIG_PREALLOC_TIMERS=4
+CONFIG_RAM_SIZE=245760
+CONFIG_RAM_START=0x20010000
+CONFIG_RAW_BINARY=y
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_WAITPID=y
+CONFIG_SDCLONE_DISABLE=y
+CONFIG_START_DAY=6
+CONFIG_START_MONTH=12
+CONFIG_START_YEAR=2011
+CONFIG_STM32H7_USART3=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_TASK_NAME_SIZE=0
+CONFIG_USART3_SERIAL_CONSOLE=y
+CONFIG_USER_ENTRYPOINT="nsh_main"
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/include/board.h b/boards/arm/stm32h7/nucleo-h743zi2/include/board.h
new file mode 100644
index 0000000..c97f273
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi2/include/board.h
@@ -0,0 +1,422 @@
+/****************************************************************************
+ * boards/arm/stm32h7/nucleo-h743zi2/include/board.h
+ * 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.
+ *
+ ****************************************************************************/
+
+#ifndef __BOARDS_ARM_STM32H7_NUCLEO_H743ZI2_INCLUDE_BOARD_H
+#define __BOARDS_ARM_STM32H7_NUCLEO_H743ZI2_INCLUDE_BOARD_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#ifndef __ASSEMBLY__
+# include <stdint.h>
+#endif
+
+/* Do not include STM32 H7 header files here */
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Clocking *****************************************************************/
+
+/* The Nucleo-144  board provides the following clock sources:
+ *
+ *   MCO: 8 MHz from MCO output of ST-LINK is used as input clock (default)
+ *   X2:  32.768 KHz crystal for LSE
+ *   X3:  HSE crystal oscillator (not provided)
+ *
+ * So we have these clock source available within the STM32
+ *
+ *   HSI: 16 MHz RC factory-trimmed
+ *   LSI: 32 KHz RC
+ *   HSE: 8 MHz from MCO output of ST-LINK
+ *   LSE: 32.768 kHz
+ */
+
+#define STM32_BOARD_XTAL        8000000ul /* ST-LINK MCO */
+
+#define STM32_HSI_FREQUENCY     16000000ul
+#define STM32_LSI_FREQUENCY     32000
+#define STM32_HSE_FREQUENCY     STM32_BOARD_XTAL
+#define STM32_LSE_FREQUENCY     32768
+
+/* Main PLL Configuration.
+ *
+ * PLL source is HSE = 8,000,000
+ *
+ * To use HSE, configure the solder bridges on the board:
+ *
+ *  - SB148, SB8 and SB9 OFF
+ *  - SB112 and SB149 ON
+ *
+ * When STM32_HSE_FREQUENCY / PLLM <= 2MHz VCOL must be selected.
+ * Otherwise you must select VCOH.
+ *
+ * PLL_VCOx = (STM32_HSE_FREQUENCY / PLLM) * PLLN
+ * Subject to:
+ *
+ *     1 <= PLLM <= 63
+ *     4 <= PLLN <= 512
+ *   150 MHz <= PLL_VCOL <= 420MHz
+ *   192 MHz <= PLL_VCOH <= 836MHz
+ *
+ * SYSCLK  = PLL_VCO / PLLP
+ * CPUCLK  = SYSCLK / D1CPRE
+ * Subject to
+ *
+ *   PLLP1   = {2, 4, 6, 8, ..., 128}
+ *   PLLP2,3 = {2, 3, 4, ..., 128}
+ *   CPUCLK <= 400 MHz
+ */
+
+#define STM32_BOARD_USEHSE
+#define STM32_HSEBYP_ENABLE
+
+#define STM32_PLLCFG_PLLSRC      RCC_PLLCKSELR_PLLSRC_HSE
+
+/* PLL1, wide 4 - 8 MHz input, enable DIVP, DIVQ, DIVR
+ *
+ *   PLL1_VCO = (8,000,000 / 2) * 200 = 800 MHz
+ *
+ *   PLL1P = PLL1_VCO/2  = 800 MHz / 2   = 400 MHz
+ *   PLL1Q = PLL1_VCO/4  = 800 MHz / 4   = 200 MHz
+ *   PLL1R = PLL1_VCO/8  = 800 MHz / 8   = 100 MHz
+ */
+
+#define STM32_PLLCFG_PLL1CFG     (RCC_PLLCFGR_PLL1VCOSEL_WIDE | \
+                                  RCC_PLLCFGR_PLL1RGE_4_8_MHZ | \
+                                  RCC_PLLCFGR_DIVP1EN | \
+                                  RCC_PLLCFGR_DIVQ1EN | \
+                                  RCC_PLLCFGR_DIVR1EN)
+#define STM32_PLLCFG_PLL1M       RCC_PLLCKSELR_DIVM1(2)
+#define STM32_PLLCFG_PLL1N       RCC_PLL1DIVR_N1(200)
+#define STM32_PLLCFG_PLL1P       RCC_PLL1DIVR_P1(2)
+#define STM32_PLLCFG_PLL1Q       RCC_PLL1DIVR_Q1(4)
+#define STM32_PLLCFG_PLL1R       RCC_PLL1DIVR_R1(8)
+
+#define STM32_VCO1_FREQUENCY     ((STM32_HSE_FREQUENCY / 2) * 200)
+#define STM32_PLL1P_FREQUENCY    (STM32_VCO1_FREQUENCY / 2)
+#define STM32_PLL1Q_FREQUENCY    (STM32_VCO1_FREQUENCY / 4)
+#define STM32_PLL1R_FREQUENCY    (STM32_VCO1_FREQUENCY / 8)
+
+/* PLL2 */
+
+#define STM32_PLLCFG_PLL2CFG (RCC_PLLCFGR_PLL2VCOSEL_WIDE | \
+                              RCC_PLLCFGR_PLL2RGE_4_8_MHZ | \
+                              RCC_PLLCFGR_DIVP2EN)
+#define STM32_PLLCFG_PLL2M       RCC_PLLCKSELR_DIVM2(2)
+#define STM32_PLLCFG_PLL2N       RCC_PLL2DIVR_N2(200)
+#define STM32_PLLCFG_PLL2P       RCC_PLL2DIVR_P2(40)
+#define STM32_PLLCFG_PLL2Q       0
+#define STM32_PLLCFG_PLL2R       0
+
+#define STM32_VCO2_FREQUENCY     ((STM32_HSE_FREQUENCY / 2) * 200)
+#define STM32_PLL2P_FREQUENCY    (STM32_VCO2_FREQUENCY / 2)
+#define STM32_PLL2Q_FREQUENCY
+#define STM32_PLL2R_FREQUENCY
+
+/* PLL3 */
+
+#define STM32_PLLCFG_PLL3CFG 0
+#define STM32_PLLCFG_PLL3M   0
+#define STM32_PLLCFG_PLL3N   0
+#define STM32_PLLCFG_PLL3P   0
+#define STM32_PLLCFG_PLL3Q   0
+#define STM32_PLLCFG_PLL3R   0
+
+#define STM32_VCO3_FREQUENCY
+#define STM32_PLL3P_FREQUENCY
+#define STM32_PLL3Q_FREQUENCY
+#define STM32_PLL3R_FREQUENCY
+
+/* SYSCLK = PLL1P = 400 MHz
+ * CPUCLK = SYSCLK / 1 = 400 MHz
+ */
+
+#define STM32_RCC_D1CFGR_D1CPRE  (RCC_D1CFGR_D1CPRE_SYSCLK)
+#define STM32_SYSCLK_FREQUENCY   (STM32_PLL1P_FREQUENCY)
+#define STM32_CPUCLK_FREQUENCY   (STM32_SYSCLK_FREQUENCY / 1)
+
+/* Configure Clock Assignments */
+
+/* AHB clock (HCLK) is SYSCLK/2 (200 MHz max)
+ * HCLK1 = HCLK2 = HCLK3 = HCLK4
+ */
+
+#define STM32_RCC_D1CFGR_HPRE   RCC_D1CFGR_HPRE_SYSCLKd2        /* HCLK  = SYSCLK / 2 */
+#define STM32_ACLK_FREQUENCY    (STM32_CPUCLK_FREQUENCY / 2)    /* ACLK in D1, HCLK3 in D1 */
+#define STM32_HCLK_FREQUENCY    (STM32_CPUCLK_FREQUENCY / 2)    /* HCLK in D2, HCLK4 in D3 */
+#define STM32_BOARD_HCLK        STM32_HCLK_FREQUENCY            /* same as above, to satisfy compiler */
+
+/* APB1 clock (PCLK1) is HCLK/4 (54 MHz) */
+
+#define STM32_RCC_D2CFGR_D2PPRE1  RCC_D2CFGR_D2PPRE1_HCLKd4       /* PCLK1 = HCLK / 4 */
+#define STM32_PCLK1_FREQUENCY     (STM32_HCLK_FREQUENCY/4)
+
+/* APB2 clock (PCLK2) is HCLK/4 (54 MHz) */
+
+#define STM32_RCC_D2CFGR_D2PPRE2  RCC_D2CFGR_D2PPRE2_HCLKd4       /* PCLK2 = HCLK / 4 */
+#define STM32_PCLK2_FREQUENCY     (STM32_HCLK_FREQUENCY/4)
+
+/* APB3 clock (PCLK3) is HCLK/4 (54 MHz) */
+
+#define STM32_RCC_D1CFGR_D1PPRE   RCC_D1CFGR_D1PPRE_HCLKd4        /* PCLK3 = HCLK / 4 */
+#define STM32_PCLK3_FREQUENCY     (STM32_HCLK_FREQUENCY/4)
+
+/* APB4 clock (PCLK4) is HCLK/4 (54 MHz) */
+
+#define STM32_RCC_D3CFGR_D3PPRE   RCC_D3CFGR_D3PPRE_HCLKd4       /* PCLK4 = HCLK / 4 */
+#define STM32_PCLK4_FREQUENCY     (STM32_HCLK_FREQUENCY/4)
+
+/* Timer clock frequencies */
+
+/* Timers driven from APB1 will be twice PCLK1 */
+
+#define STM32_APB1_TIM2_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM3_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM4_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM5_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM6_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM7_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM12_CLKIN  (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM13_CLKIN  (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM14_CLKIN  (2*STM32_PCLK1_FREQUENCY)
+
+/* Timers driven from APB2 will be twice PCLK2 */
+
+#define STM32_APB2_TIM1_CLKIN   (2*STM32_PCLK2_FREQUENCY)
+#define STM32_APB2_TIM8_CLKIN   (2*STM32_PCLK2_FREQUENCY)
+#define STM32_APB2_TIM15_CLKIN  (2*STM32_PCLK2_FREQUENCY)
+#define STM32_APB2_TIM16_CLKIN  (2*STM32_PCLK2_FREQUENCY)
+#define STM32_APB2_TIM17_CLKIN  (2*STM32_PCLK2_FREQUENCY)
+
+/* Kernel Clock Configuration
+ *
+ * Note: look at Table 54 in ST Manual
+ */
+
+/* I2C123 clock source - HSI */
+
+#define STM32_RCC_D2CCIP2R_I2C123SRC RCC_D2CCIP2R_I2C123SEL_HSI
+
+/* I2C4 clock source - HSI */
+
+#define STM32_RCC_D3CCIPR_I2C4SRC    RCC_D3CCIPR_I2C4SEL_HSI
+
+/* SPI123 clock source - PLL1Q */
+
+#define STM32_RCC_D2CCIP1R_SPI123SRC RCC_D2CCIP1R_SPI123SEL_PLL1
+
+/* SPI45 clock source - APB (PCLK2?) */
+
+#define STM32_RCC_D2CCIP1R_SPI45SRC  RCC_D2CCIP1R_SPI45SEL_APB
+
+/* SPI6 clock source - APB (PCLK4) */
+
+#define STM32_RCC_D3CCIPR_SPI6SRC    RCC_D3CCIPR_SPI6SEL_PCLK4
+
+/* USB 1 and 2 clock source - HSI48 */
+
+#define STM32_RCC_D2CCIP2R_USBSRC    RCC_D2CCIP2R_USBSEL_HSI48
+
+/* ADC 1 2 3 clock source - pll2_pclk */
+
+#define STM32_RCC_D3CCIPR_ADCSEL     RCC_D3CCIPR_ADCSEL_PLL2
+
+/* FLASH wait states
+ *
+ *  ------------ ---------- -----------
+ *  Vcore        MAX ACLK   WAIT STATES
+ *  ------------ ---------- -----------
+ *  1.15-1.26 V     70 MHz    0
+ *  (VOS1 level)   140 MHz    1
+ *                 210 MHz    2
+ *  1.05-1.15 V     55 MHz    0
+ *  (VOS2 level)   110 MHz    1
+ *                 165 MHz    2
+ *                 220 MHz    3
+ *  0.95-1.05 V     45 MHz    0
+ *  (VOS3 level)    90 MHz    1
+ *                 135 MHz    2
+ *                 180 MHz    3
+ *                 225 MHz    4
+ *  ------------ ---------- -----------
+ */
+
+#define BOARD_FLASH_WAITSTATES 4
+
+/* SDMMC definitions ********************************************************/
+
+/* Init 400kHz, PLL1Q/(2*250) */
+
+#define STM32_SDMMC_INIT_CLKDIV     (250 << STM32_SDMMC_CLKCR_CLKDIV_SHIFT)
+
+/* Just set these to 25 MHz for now, PLL1Q/(2*4),
+ * for default speed 12.5MB/s
+ */
+
+#define STM32_SDMMC_MMCXFR_CLKDIV   (4 << STM32_SDMMC_CLKCR_CLKDIV_SHIFT)
+#define STM32_SDMMC_SDXFR_CLKDIV    (4 << STM32_SDMMC_CLKCR_CLKDIV_SHIFT)
+
+#define STM32_SDMMC_CLKCR_EDGE      STM32_SDMMC_CLKCR_NEGEDGE
+
+/* Ethernet definitions *****************************************************/
+
+#define GPIO_ETH_RMII_TXD0    GPIO_ETH_RMII_TXD0_2    /* PG13 */
+#define GPIO_ETH_RMII_TXD1    GPIO_ETH_RMII_TXD1_1    /* PB 13 */
+#define GPIO_ETH_RMII_TX_EN   GPIO_ETH_RMII_TX_EN_2
+
+/* LED definitions **********************************************************/
+
+/* The Nucleo-144 board has numerous LEDs but only three, LD1 a Green LED,
+ * LD2 a Blue LED and LD3 a Red LED, that can be controlled by software.
+ * The following definitions assume the default Solder Bridges are installed.
+ *
+ * If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in
+ * any way. The following definitions are used to access individual LEDs.
+ */
+
+/* LED index values for use with board_userled() */
+
+#define BOARD_LED1        0
+#define BOARD_LED2        1
+#define BOARD_LED3        2
+#define BOARD_NLEDS       3
+
+#define BOARD_LED_GREEN   BOARD_LED1
+#define BOARD_LED_BLUE    BOARD_LED2
+#define BOARD_LED_RED     BOARD_LED3
+
+/* LED bits for use with board_userled_all() */
+
+#define BOARD_LED1_BIT    (1 << BOARD_LED1)
+#define BOARD_LED2_BIT    (1 << BOARD_LED2)
+#define BOARD_LED3_BIT    (1 << BOARD_LED3)
+
+/* If CONFIG_ARCH_LEDS is defined, the usage by the board port is defined in
+ * include/board.h and src/stm32_leds.c. The LEDs are used to encode
+ * OS-related events as follows:
+ *
+ *
+ *   SYMBOL                     Meaning                      LED state
+ *                                                        Red   Green Blue
+ *   ----------------------  --------------------------  ------ ------ ----
+ */
+
+#define LED_STARTED        0 /* NuttX has been started   OFF    OFF   OFF  */
+#define LED_HEAPALLOCATE   1 /* Heap has been allocated  OFF    OFF   ON   */
+#define LED_IRQSENABLED    2 /* Interrupts enabled       OFF    ON    OFF  */
+#define LED_STACKCREATED   3 /* Idle stack created       OFF    ON    ON   */
+#define LED_INIRQ          4 /* In an interrupt          N/C    N/C   GLOW */
+#define LED_SIGNAL         5 /* In a signal handler      N/C    GLOW  N/C  */
+#define LED_ASSERTION      6 /* An assertion failed      GLOW   N/C   GLOW */
+#define LED_PANIC          7 /* The system has crashed   Blink  OFF   N/C  */
+#define LED_IDLE           8 /* MCU is is sleep mode     ON     OFF   OFF  */
+
+/* Thus if the Green LED is statically on, NuttX has successfully booted and
+ * is, apparently, running normally.  If the Red LED is flashing at
+ * approximately 2Hz, then a fatal error has been detected and the system
+ * has halted.
+ */
+
+/* Button definitions *******************************************************/
+
+/* The NUCLEO board supports one button:  Pushbutton B1, labeled "User", is
+ * connected to GPIO PI11.
+ * A high value will be sensed when the button is depressed.
+ */
+
+#define BUTTON_USER        0
+#define NUM_BUTTONS        1
+#define BUTTON_USER_BIT    (1 << BUTTON_USER)
+
+/* Alternate function pin selections ****************************************/
+
+/* USART3 (Nucleo Virtual Console) */
+
+#define GPIO_USART3_RX     GPIO_USART3_RX_3  /* PD9 */
+#define GPIO_USART3_TX     GPIO_USART3_TX_3  /* PD8 */
+
+/* USART6 (Arduino Serial Shield) */
+
+#define GPIO_USART6_RX     GPIO_USART6_RX_2  /* PG9 */
+#define GPIO_USART6_TX     GPIO_USART6_TX_2  /* PG14 */
+
+/* I2C1 Use Nucleo I2C1 pins */
+
+#define GPIO_I2C1_SCL GPIO_I2C1_SCL_2 /* PB8 - D15 */
+#define GPIO_I2C1_SDA GPIO_I2C1_SDA_2 /* PB9 - D14 */
+
+/* I2C2 Use Nucleo I2C2 pins */
+
+#define GPIO_I2C2_SCL  GPIO_I2C2_SCL_2  /* PF1 - D69 */
+#define GPIO_I2C2_SDA  GPIO_I2C2_SDA_2  /* PF0 - D68 */
+#define GPIO_I2C2_SMBA GPIO_I2C2_SMBA_2 /* PF2 - D70 */
+
+/* SPI3 */
+
+#define GPIO_SPI3_MISO GPIO_SPI3_MISO_1 /* PB4 */
+#define GPIO_SPI3_MOSI GPIO_SPI3_MOSI_4 /* PB5 */
+#define GPIO_SPI3_SCK  GPIO_SPI3_SCK_1  /* PB3 */
+#define GPIO_SPI3_NSS  GPIO_SPI3_NSS_2  /* PA4 */
+
+/* TIM1 */
+
+#define GPIO_TIM1_CH1OUT  GPIO_TIM1_CH1OUT_2  /* PE9  - D6 */
+#define GPIO_TIM1_CH1NOUT GPIO_TIM1_CH1NOUT_3 /* PE8  - D42 */
+#define GPIO_TIM1_CH2OUT  GPIO_TIM1_CH2OUT_2  /* PE11 - D5 */
+#define GPIO_TIM1_CH2NOUT GPIO_TIM1_CH2NOUT_3 /* PE10 - D40 */
+#define GPIO_TIM1_CH3OUT  GPIO_TIM1_CH3OUT_2  /* PE13 - D3 */
+#define GPIO_TIM1_CH3NOUT GPIO_TIM1_CH3NOUT_3 /* PE12 - D39 */
+#define GPIO_TIM1_CH4OUT  GPIO_TIM1_CH4OUT_2  /* PE14 - D38 */
+
+/* DMA **********************************************************************/
+
+#define DMAMAP_SPI3_RX DMAMAP_DMA12_SPI3RX_0 /* DMA1 */
+#define DMAMAP_SPI3_TX DMAMAP_DMA12_SPI3TX_0 /* DMA1 */
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+#ifndef __ASSEMBLY__
+
+#undef EXTERN
+#if defined(__cplusplus)
+#define EXTERN extern "C"
+extern "C"
+{
+#else
+#define EXTERN extern
+#endif
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* __ASSEMBLY__ */
+#endif /* __BOARDS_ARM_STM32H7_NUCLEO_H743ZI2_INCLUDE_BOARD_H */
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/scripts/Make.defs b/boards/arm/stm32h7/nucleo-h743zi2/scripts/Make.defs
new file mode 100644
index 0000000..1447dae
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi2/scripts/Make.defs
@@ -0,0 +1,75 @@
+############################################################################
+# boards/arm/stm32h7/nucleo-h743zi2/scripts/Make.defs
+#
+# 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.
+#
+############################################################################
+
+include $(TOPDIR)/.config
+include $(TOPDIR)/tools/Config.mk
+include $(TOPDIR)/arch/arm/src/armv7-m/Toolchain.defs
+
+LDSCRIPT = flash.ld
+
+ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
+  ARCHSCRIPT = -T "${shell cygpath -w $(BOARD_DIR)$(DELIM)scripts$(DELIM)$(LDSCRIPT)}"
+else
+  ARCHSCRIPT = -T$(BOARD_DIR)$(DELIM)scripts$(DELIM)$(LDSCRIPT)
+endif
+
+ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
+  ARCHOPTIMIZATION = -g
+endif
+
+ifneq ($(CONFIG_DEBUG_NOOPT),y)
+  ARCHOPTIMIZATION += $(MAXOPTIMIZATION) -fno-strict-aliasing -fno-strength-reduce -fomit-frame-pointer
+endif
+
+ARCHCFLAGS = -fno-builtin
+ARCHCXXFLAGS = -fno-builtin -fno-exceptions -fcheck-new -fno-rtti
+ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow -Wundef
+ARCHWARNINGSXX = -Wall -Wshadow -Wundef
+ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10
+
+CFLAGS := $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) -pipe
+CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS)
+CXXFLAGS := $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) -pipe
+CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
+CPPFLAGS := $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS)
+AFLAGS := $(CFLAGS) -D__ASSEMBLY__
+
+NXFLATLDFLAGS1 = -r -d -warn-common
+NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld -no-check-sections
+LDNXFLATFLAGS = -e main -s 2048
+
+# ELF module definitions
+
+CELFFLAGS = $(CFLAGS) -mlong-calls # --target1-abs
+CXXELFFLAGS = $(CXXFLAGS) -mlong-calls # --target1-abs
+
+LDELFFLAGS = -r -e main
+ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
+  LDELFFLAGS += -T "${shell cygpath -w $(BOARD_DIR)$(DELIM)scripts$(DELIM)gnu-elf.ld}"
+else
+  LDELFFLAGS += -T $(BOARD_DIR)$(DELIM)scripts$(DELIM)gnu-elf.ld
+endif
+
+ifneq ($(CROSSDEV),arm-nuttx-elf-)
+  LDFLAGS += -nostartfiles -nodefaultlibs
+endif
+ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
+  LDFLAGS += -g
+endif
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/scripts/flash.ld b/boards/arm/stm32h7/nucleo-h743zi2/scripts/flash.ld
new file mode 100644
index 0000000..951fd22
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi2/scripts/flash.ld
@@ -0,0 +1,193 @@
+/****************************************************************************
+ * boards/arm/stm32h7/nucleo-h743zi2/scripts/flash.ld
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+/* The STM32H743ZI has 2048Kb of main FLASH memory. The flash memory is
+ * partitioned into a User Flash memory and a System Flash memory. Each
+ * of these memories has two banks:
+ *
+ *   1) User Flash memory:
+ *
+ *      Bank 1: Start address 0x0800:0000 to 0x080F:FFFF with 8 sectors, 128Kb each
+ *      Bank 2: Start address 0x0810:0000 to 0x081F:FFFF with 8 sectors, 128Kb each
+ *
+ *   2) System Flash memory:
+ *
+ *      Bank 1: Start address 0x1FF0:0000 to 0x1FF1:FFFF with 1 x 128Kb sector
+ *      Bank 1: Start address 0x1FF4:0000 to 0x1FF5:FFFF with 1 x 128Kb sector
+ *
+ *   3) User option bytes for user configuration, only in Bank 1.
+ *
+ * In the STM32H743ZI, two different boot spaces can be selected through
+ * the BOOT pin and the boot base address programmed in the BOOT_ADD0 and
+ * BOOT_ADD1 option bytes:
+ *
+ *   1) BOOT=0: Boot address defined by user option byte BOOT_ADD0[15:0].
+ *      ST programmed value: Flash memory at 0x0800:0000
+ *   2) BOOT=1: Boot address defined by user option byte BOOT_ADD1[15:0].
+ *      ST programmed value: System bootloader at 0x1FF0:0000
+ *
+ * TODO: Check next paragraph with nucleo schematics
+ *
+ * NuttX does not modify these option bytes. On the unmodified NUCLEO-H743ZI
+ * board, the BOOT0 pin is at ground so by default, the STM32 will boot
+ * to address 0x0800:0000 in FLASH.
+ *
+ * The STM32H743ZI also has 1024Kb of data SRAM.
+ * SRAM is split up into several blocks and into three power domains:
+ *
+ *   1) TCM SRAMs are dedicated to the Cortex-M7 and are accessible with
+ *      0 wait states by the Cortex-M7 and by MDMA through AHBS slave bus
+ *
+ *      1.1) 128Kb of DTCM-RAM beginning at address 0x2000:0000
+ *
+ *           The DTCM-RAM is organized as 2 x 64Kb DTCM-RAMs on 2 x 32 bit
+ *           DTCM ports. The DTCM-RAM could be used for critical real-time
+ *           data, such as interrupt service routines or stack / heap memory.
+ *           Both DTCM-RAMs can be used in parallel (for load/store operations)
+ *           thanks to the Cortex-M7 dual issue capability.
+ *
+ *      1.2)  64Kb of ITCM-RAM beginning at address 0x0000:0000
+ *
+ *           This RAM is connected to ITCM 64-bit interface designed for
+ *           execution of critical real-times routines by the CPU.
+ *
+ *   2) AXI SRAM (D1 domain) accessible by all system masters except BDMA
+ *      through D1 domain AXI bus matrix
+ *
+ *      2.1) 512Kb of SRAM beginning at address 0x2400:0000
+ *
+ *   3) AHB SRAM (D2 domain) accessible by all system masters except BDMA
+ *      through D2 domain AHB bus matrix
+ *
+ *      3.1) 128Kb of SRAM1 beginning at address 0x3000:0000
+ *      3.2) 128Kb of SRAM2 beginning at address 0x3002:0000
+ *      3.3)  32Kb of SRAM3 beginning at address 0x3004:0000
+ *
+ *      SRAM1 - SRAM3 are one contiguous block: 288Kb at address 0x3000:0000
+ *
+ *   4) AHB SRAM (D3 domain) accessible by most of system masters
+ *      through D3 domain AHB bus matrix
+ *
+ *      4.1)  64Kb of SRAM4 beginning at address 0x3800:0000
+ *      4.1)   4Kb of backup RAM beginning at address 0x3880:0000
+ *
+ * When booting from FLASH, FLASH memory is aliased to address 0x0000:0000
+ * where the code expects to begin execution by jumping to the entry point in
+ * the 0x0800:0000 address range.
+ */
+
+MEMORY
+{
+  itcm  (rwx) : ORIGIN = 0x00000000, LENGTH =   64K
+  flash (rx)  : ORIGIN = 0x08000000, LENGTH = 2048K
+  dtcm1 (rwx) : ORIGIN = 0x20000000, LENGTH =   64K
+  dtcm2 (rwx) : ORIGIN = 0x20010000, LENGTH =   64K
+  sram  (rwx) : ORIGIN = 0x24000000, LENGTH =  512K
+  sram1 (rwx) : ORIGIN = 0x30000000, LENGTH =  128K
+  sram2 (rwx) : ORIGIN = 0x30020000, LENGTH =  128K
+  sram3 (rwx) : ORIGIN = 0x30040000, LENGTH =   32K
+  sram4 (rwx) : ORIGIN = 0x38000000, LENGTH =   64K
+  bbram (rwx) : ORIGIN = 0x38800000, LENGTH =    4K
+}
+
+OUTPUT_ARCH(arm)
+EXTERN(_vectors)
+ENTRY(_stext)
+SECTIONS
+{
+    .text :
+    {
+        _stext = ABSOLUTE(.);
+        *(.vectors)
+        *(.text .text.*)
+        *(.fixup)
+        *(.gnu.warning)
+        *(.rodata .rodata.*)
+        *(.gnu.linkonce.t.*)
+        *(.glue_7)
+        *(.glue_7t)
+        *(.got)
+        *(.gcc_except_table)
+        *(.gnu.linkonce.r.*)
+        _etext = ABSOLUTE(.);
+    } > flash
+
+    .init_section :
+    {
+        _sinit = ABSOLUTE(.);
+        *(.init_array .init_array.*)
+        _einit = ABSOLUTE(.);
+    } > flash
+
+    .ARM.extab :
+    {
+        *(.ARM.extab*)
+    } > flash
+
+    __exidx_start = ABSOLUTE(.);
+    .ARM.exidx :
+    {
+        *(.ARM.exidx*)
+    } > flash
+    __exidx_end = ABSOLUTE(.);
+
+    _eronly = ABSOLUTE(.);
+
+    .data :
+    {
+        _sdata = ABSOLUTE(.);
+        *(.data .data.*)
+        *(.gnu.linkonce.d.*)
+        CONSTRUCTORS
+        . = ALIGN(4);
+        _edata = ABSOLUTE(.);
+    } > sram AT > flash
+
+    .bss :
+    {
+        _sbss = ABSOLUTE(.);
+        *(.bss .bss.*)
+        *(.gnu.linkonce.b.*)
+        *(COMMON)
+        . = ALIGN(4);
+        _ebss = ABSOLUTE(.);
+    } > sram
+
+    /* Emit the the D3 power domain section for locating BDMA data */
+
+    .sram4 :
+    {
+    } > sram4
+
+    /* Stabs debugging sections. */
+
+    .stab 0 : { *(.stab) }
+    .stabstr 0 : { *(.stabstr) }
+    .stab.excl 0 : { *(.stab.excl) }
+    .stab.exclstr 0 : { *(.stab.exclstr) }
+    .stab.index 0 : { *(.stab.index) }
+    .stab.indexstr 0 : { *(.stab.indexstr) }
+    .comment 0 : { *(.comment) }
+    .debug_abbrev 0 : { *(.debug_abbrev) }
+    .debug_info 0 : { *(.debug_info) }
+    .debug_line 0 : { *(.debug_line) }
+    .debug_pubnames 0 : { *(.debug_pubnames) }
+    .debug_aranges 0 : { *(.debug_aranges) }
+}
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/scripts/gnu-elf.ld b/boards/arm/stm32h7/nucleo-h743zi2/scripts/gnu-elf.ld
new file mode 100644
index 0000000..153acc0
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi2/scripts/gnu-elf.ld
@@ -0,0 +1,126 @@
+/****************************************************************************
+ * boards/arm/stm32h7/nucleo-h743zi2/scripts/gnu-elf.ld
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+SECTIONS
+{
+  .text 0x00000000 :
+    {
+      _stext = . ;
+      *(.text)
+      *(.text.*)
+      *(.gnu.warning)
+      *(.stub)
+      *(.glue_7)
+      *(.glue_7t)
+      *(.jcr)
+
+      /* C++ support:  The .init and .fini sections contain specific logic
+       * to manage static constructors and destructors.
+       */
+
+      *(.gnu.linkonce.t.*)
+      *(.init)             /* Old ABI */
+      *(.fini)             /* Old ABI */
+      _etext = . ;
+    }
+
+  .ARM.extab :
+    {
+      *(.ARM.extab*)
+    }
+
+  .ARM.exidx :
+    {
+      *(.ARM.exidx*)
+    }
+
+  .rodata :
+    {
+      _srodata = . ;
+      *(.rodata)
+      *(.rodata1)
+      *(.rodata.*)
+      *(.gnu.linkonce.r*)
+      _erodata = . ;
+    }
+
+  .data :
+    {
+      _sdata = . ;
+      *(.data)
+      *(.data1)
+      *(.data.*)
+      *(.gnu.linkonce.d*)
+      . = ALIGN(4);
+      _edata = . ;
+    }
+
+  /* C++ support. For each global and static local C++ object,
+   * GCC creates a small subroutine to construct the object. Pointers
+   * to these routines (not the routines themselves) are stored as
+   * simple, linear arrays in the .ctors section of the object file.
+   * Similarly, pointers to global/static destructor routines are
+   * stored in .dtors.
+   */
+
+  .ctors :
+    {
+      _sctors = . ;
+      *(.ctors)       /* Old ABI:  Unallocated */
+      *(.init_array)  /* New ABI:  Allocated */
+      _edtors = . ;
+    }
+
+  .dtors :
+    {
+      _sdtors = . ;
+      *(.dtors)       /* Old ABI:  Unallocated */
+      *(.fini_array)  /* New ABI:  Allocated */
+      _edtors = . ;
+    }
+
+  .bss :
+    {
+      _sbss = . ;
+      *(.bss)
+      *(.bss.*)
+      *(.sbss)
+      *(.sbss.*)
+      *(.gnu.linkonce.b*)
+      *(COMMON)
+      . = ALIGN(4);
+      _ebss = . ;
+    }
+
+    /* Stabs debugging sections.    */
+
+    .stab 0 : { *(.stab) }
+    .stabstr 0 : { *(.stabstr) }
+    .stab.excl 0 : { *(.stab.excl) }
+    .stab.exclstr 0 : { *(.stab.exclstr) }
+    .stab.index 0 : { *(.stab.index) }
+    .stab.indexstr 0 : { *(.stab.indexstr) }
+    .comment 0 : { *(.comment) }
+    .debug_abbrev 0 : { *(.debug_abbrev) }
+    .debug_info 0 : { *(.debug_info) }
+    .debug_line 0 : { *(.debug_line) }
+    .debug_pubnames 0 : { *(.debug_pubnames) }
+    .debug_aranges 0 : { *(.debug_aranges) }
+}
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/scripts/memory.ld b/boards/arm/stm32h7/nucleo-h743zi2/scripts/memory.ld
new file mode 100644
index 0000000..e1fcf3c
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi2/scripts/memory.ld
@@ -0,0 +1,52 @@
+/****************************************************************************
+ * boards/arm/stm32h7/nucleo-h743zi2/scripts/memory.ld
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+/* TODO: Add description for memory organisation */
+
+MEMORY
+{
+  /* ITCM boot address */
+
+  itcm  (rwx) : ORIGIN = 0x00000000, LENGTH = 64K
+
+  /* 2048Kb FLASH */
+
+  kflash (rx) : ORIGIN = 0x08000000, LENGTH = 128K
+  uflash (rx) : ORIGIN = 0x08020000, LENGTH = 128K
+  xflash (rx) : ORIGIN = 0x08040000, LENGTH = 1792K
+
+  /* 288Kb SRAM123 */
+
+  ksram (rwx) : ORIGIN = 0x30000000, LENGTH = 16K
+  usram (rwx) : ORIGIN = 0x30004000, LENGTH = 16K
+  xsram (rwx) : ORIGIN = 0x30008000, LENGTH = 288K - 32K
+
+  /* 512Kb of contiguous AXI SRAM */
+
+  sram (rwx)  : ORIGIN = 0x24000000, LENGTH = 512K
+
+  /* DTCM SRAM */
+
+  dtcm1 (rwx) : ORIGIN = 0x20000000, LENGTH = 64K
+  dtcm2 (rwx) : ORIGIN = 0x20010000, LENGTH = 64K
+
+  sram4 (rwx) : ORIGIN = 0x38000000, LENGTH = 64K
+  bbram (rwx) : ORIGIN = 0x38800000, LENGTH = 4K
+}
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/scripts/user-space.ld b/boards/arm/stm32h7/nucleo-h743zi2/scripts/user-space.ld
new file mode 100644
index 0000000..db70411
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi2/scripts/user-space.ld
@@ -0,0 +1,98 @@
+/****************************************************************************
+* boards/arm/stm32h7/nucleo-h743zi2/scripts/user-space.ld
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+/* NOTE:  This depends on the memory.ld script having been included prior to
+ * this script.
+ */
+
+OUTPUT_ARCH(arm)
+SECTIONS
+{
+    .userspace : {
+        *(.userspace)
+    } > uflash
+
+    .text : {
+        _stext = ABSOLUTE(.);
+        *(.text .text.*)
+        *(.fixup)
+        *(.gnu.warning)
+        *(.rodata .rodata.*)
+        *(.gnu.linkonce.t.*)
+        *(.glue_7)
+        *(.glue_7t)
+        *(.got)
+        *(.gcc_except_table)
+        *(.gnu.linkonce.r.*)
+        _etext = ABSOLUTE(.);
+    } > uflash
+
+    .init_section : {
+        _sinit = ABSOLUTE(.);
+        *(.init_array .init_array.*)
+        _einit = ABSOLUTE(.);
+    } > uflash
+
+    .ARM.extab : {
+        *(.ARM.extab*)
+    } > uflash
+
+    __exidx_start = ABSOLUTE(.);
+    .ARM.exidx : {
+        *(.ARM.exidx*)
+    } > uflash
+
+    __exidx_end = ABSOLUTE(.);
+
+    _eronly = ABSOLUTE(.);
+
+    .data : {
+        _sdata = ABSOLUTE(.);
+        *(.data .data.*)
+        *(.gnu.linkonce.d.*)
+        CONSTRUCTORS
+        . = ALIGN(4);
+        _edata = ABSOLUTE(.);
+    } > usram AT > uflash
+
+    .bss : {
+        _sbss = ABSOLUTE(.);
+        *(.bss .bss.*)
+        *(.gnu.linkonce.b.*)
+        *(COMMON)
+        . = ALIGN(4);
+        _ebss = ABSOLUTE(.);
+    } > usram
+
+    /* Stabs debugging sections */
+
+    .stab 0 : { *(.stab) }
+    .stabstr 0 : { *(.stabstr) }
+    .stab.excl 0 : { *(.stab.excl) }
+    .stab.exclstr 0 : { *(.stab.exclstr) }
+    .stab.index 0 : { *(.stab.index) }
+    .stab.indexstr 0 : { *(.stab.indexstr) }
+    .comment 0 : { *(.comment) }
+    .debug_abbrev 0 : { *(.debug_abbrev) }
+    .debug_info 0 : { *(.debug_info) }
+    .debug_line 0 : { *(.debug_line) }
+    .debug_pubnames 0 : { *(.debug_pubnames) }
+    .debug_aranges 0 : { *(.debug_aranges) }
+}
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/src/Makefile b/boards/arm/stm32h7/nucleo-h743zi2/src/Makefile
new file mode 100644
index 0000000..408f325
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi2/src/Makefile
@@ -0,0 +1,47 @@
+############################################################################
+# boards/arm/stm32h7/nucleo-h743zi/src/Makefile
+#
+# 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.
+#
+############################################################################
+
+include $(TOPDIR)/Make.defs
+
+CSRCS = stm32_boot.c stm32_bringup.c
+
+ifeq ($(CONFIG_ARCH_LEDS),y)
+CSRCS += stm32_autoleds.c
+else
+CSRCS += stm32_userleds.c
+endif
+
+ifeq ($(CONFIG_STM32H7_OTGFS),y)
+CSRCS += stm32_usb.c
+endif
+
+ifeq ($(CONFIG_LIB_BOARDCTL),y)
+CSRCS += stm32_appinitialize.c
+endif
+
+ifeq ($(CONFIG_TESTING_OSTEST),y)
+CSRCS += stm32_ostest.c
+endif
+
+ifeq ($(CONFIG_BOARDCTL_RESET),y)
+CSRCS += stm32_reset.c
+endif
+
+include $(TOPDIR)/boards/Board.mk
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/src/nucleo-h743zi2.h b/boards/arm/stm32h7/nucleo-h743zi2/src/nucleo-h743zi2.h
new file mode 100644
index 0000000..55c22ca
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi2/src/nucleo-h743zi2.h
@@ -0,0 +1,151 @@
+/****************************************************************************
+ * boards/arm/stm32h7/nucleo-h743zi2/src/nucleo-h743zi2.h
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+#ifndef __BOARDS_ARM_STM32H7_NUCLEO_H743ZI2_SRC_NUCLEO_H743ZI2_H
+#define __BOARDS_ARM_STM32H7_NUCLEO_H743ZI2_SRC_NUCLEO_H743ZI2_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <nuttx/compiler.h>
+
+#include <stdint.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Configuration ************************************************************/
+
+#define HAVE_USBDEV     1
+#define HAVE_USBHOST    1
+#define HAVE_USBMONITOR 1
+
+/* Can't support USB host or device features if USB OTG FS is not enabled */
+
+#ifndef CONFIG_STM32H7_OTGFS
+#  undef HAVE_USBDEV
+#  undef HAVE_USBHOST
+#endif
+
+/* Can't support USB device if USB device is not enabled */
+
+#ifndef CONFIG_USBDEV
+#  undef HAVE_USBDEV
+#endif
+
+/* Can't support USB host is USB host is not enabled */
+
+#ifndef CONFIG_USBHOST
+#  undef HAVE_USBHOST
+#endif
+
+/* Check if we should enable the USB monitor before starting NSH */
+
+#ifndef CONFIG_USBMONITOR
+#  undef HAVE_USBMONITOR
+#endif
+
+#ifndef HAVE_USBDEV
+#  undef CONFIG_USBDEV_TRACE
+#endif
+
+#if !defined(CONFIG_USBDEV_TRACE) && !defined(CONFIG_USBHOST_TRACE)
+#  undef HAVE_USBMONITOR
+#endif
+
+/* LED */
+
+#define GPIO_LD1       (GPIO_OUTPUT | GPIO_PUSHPULL | GPIO_SPEED_50MHz | \
+                        GPIO_OUTPUT_CLEAR | GPIO_PORTB | GPIO_PIN0)
+#define GPIO_LD2       (GPIO_OUTPUT | GPIO_PUSHPULL | GPIO_SPEED_50MHz | \
+                        GPIO_OUTPUT_CLEAR | GPIO_PORTB | GPIO_PIN7)
+#define GPIO_LD3       (GPIO_OUTPUT | GPIO_PUSHPULL | GPIO_SPEED_50MHz | \
+                        GPIO_OUTPUT_CLEAR | GPIO_PORTB | GPIO_PIN14)
+
+#define GPIO_LED_GREEN GPIO_LD1
+#define GPIO_LED_BLUE  GPIO_LD2
+#define GPIO_LED_RED   GPIO_LD3
+
+#define GPIO_OTGFS_VBUS   (GPIO_INPUT|GPIO_FLOAT|GPIO_SPEED_100MHz| \
+                           GPIO_OPENDRAIN|GPIO_PORTA|GPIO_PIN9)
+
+# define GPIO_OTGFS_PWRON  (GPIO_OUTPUT|GPIO_FLOAT|GPIO_SPEED_100MHz|  \
+                           GPIO_PUSHPULL|GPIO_PORTD|GPIO_PIN10)
+
+#ifdef CONFIG_USBHOST
+#  define GPIO_OTGFS_OVER (GPIO_INPUT|GPIO_EXTI|GPIO_FLOAT| \
+                           GPIO_SPEED_100MHz|GPIO_PUSHPULL| \
+                           GPIO_PORTG|GPIO_PIN7)
+#else
+#  define GPIO_OTGFS_OVER (GPIO_INPUT|GPIO_FLOAT|GPIO_SPEED_100MHz| \
+                           GPIO_PUSHPULL|GPIO_PORTG|GPIO_PIN7)
+#endif
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: stm32_bringup
+ *
+ * Description:
+ *   Perform architecture-specific initialization
+ *
+ *   CONFIG_BOARD_LATE_INITIALIZE=y :
+ *     Called from board_late_initialize().
+ *
+ *   CONFIG_BOARD_LATE_INITIALIZE=y && CONFIG_LIB_BOARDCTL=y :
+ *     Called from the NSH library
+ *
+ ****************************************************************************/
+
+int stm32_bringup(void);
+
+/****************************************************************************
+ * Name: stm32_usbinitialize
+ *
+ * Description:
+ *   Called from stm32_usbinitialize very early in inialization to setup
+ *   USB-related GPIO pins for the NUCLEO-H743ZI board.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_STM32H7_OTGFS
+void weak_function stm32_usbinitialize(void);
+#endif
+
+/****************************************************************************
+ * Name: stm32_usbhost_initialize
+ *
+ * Description:
+ *   Called at application startup time to initialize the USB host
+ *   functionality. This function will start a thread that will monitor for
+ *   device connection/disconnection events.
+ *
+ ****************************************************************************/
+
+#if defined(CONFIG_STM32H7_OTGFS) && defined(CONFIG_USBHOST)
+int stm32_usbhost_initialize(void);
+#endif
+
+#endif /* __BOARDS_ARM_STM32H7_NUCLEO_H743ZI2_SRC_NUCLEO_H743ZI2_H */
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_appinitialize.c b/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_appinitialize.c
new file mode 100644
index 0000000..f1193e3
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_appinitialize.c
@@ -0,0 +1,75 @@
+/****************************************************************************
+ * boards/arm/stm32h7/nucleo-h743zi2/src/stm32_appinitialize.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 <nuttx/board.h>
+#include <sys/types.h>
+
+#include "nucleo-h743zi2.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: board_app_initialize
+ *
+ * Description:
+ *   Perform application specific initialization.  This function is never
+ *   called directly from application code, but only indirectly via the
+ *   (non-standard) boardctl() interface using the command BOARDIOC_INIT.
+ *
+ * Input Parameters:
+ *   arg - The boardctl() argument is passed to the board_app_initialize()
+ *         implementation without modification.  The argument has no
+ *         meaning to NuttX; the meaning of the argument is a contract
+ *         between the board-specific initialization logic and the
+ *         matching application logic.  The value could be such things as a
+ *         mode enumeration value, a set of DIP switch switch settings, a
+ *         pointer to configuration data read from a file or serial FLASH,
+ *         or whatever you would like to do with it.  Every implementation
+ *         should accept zero/NULL as a default configuration.
+ *
+ * Returned Value:
+ *   Zero (OK) is returned on success; a negated errno value is returned on
+ *   any failure to indicate the nature of the failure.
+ *
+ ****************************************************************************/
+
+int board_app_initialize(uintptr_t arg)
+{
+#ifdef CONFIG_BOARD_LATE_INITIALIZE
+  /* Board initialization already performed by board_late_initialize() */
+
+  return OK;
+#else
+  /* Perform board-specific initialization */
+
+  return stm32_bringup();
+#endif
+}
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_autoleds.c b/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_autoleds.c
new file mode 100644
index 0000000..4105716
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_autoleds.c
@@ -0,0 +1,173 @@
+/****************************************************************************
+ * boards/arm/stm32h7/nucleo-h743zi2/src/stm32_autoleds.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 <stdbool.h>
+#include <debug.h>
+
+#include <nuttx/board.h>
+#include <arch/board/board.h>
+
+#include "stm32_gpio.h"
+#include "nucleo-h743zi2.h"
+
+#ifdef CONFIG_ARCH_LEDS
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define ARRAYSIZE(x) (sizeof((x)) / sizeof((x)[0]))
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/* Indexed by BOARD_LED_<color> */
+
+static const uint32_t g_ledmap[BOARD_NLEDS] =
+{
+  GPIO_LED_GREEN,
+  GPIO_LED_BLUE,
+  GPIO_LED_RED,
+};
+
+static bool g_initialized;
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+static void phy_set_led(int led, bool state)
+{
+  /* Active High */
+
+  stm32_gpiowrite(g_ledmap[led], state);
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: board_autoled_initialize
+ ****************************************************************************/
+
+void board_autoled_initialize(void)
+{
+  int i;
+
+  /* Configure the LD1 GPIO for output. Initial state is OFF */
+
+  for (i = 0; i < ARRAYSIZE(g_ledmap); i++)
+    {
+      stm32_configgpio(g_ledmap[i]);
+    }
+}
+
+/****************************************************************************
+ * Name: board_autoled_on
+ ****************************************************************************/
+
+void board_autoled_on(int led)
+{
+  switch (led)
+    {
+    default:
+      break;
+
+    case LED_HEAPALLOCATE:
+      phy_set_led(BOARD_LED_BLUE, true);
+      break;
+
+    case LED_IRQSENABLED:
+      phy_set_led(BOARD_LED_BLUE, false);
+      phy_set_led(BOARD_LED_GREEN, true);
+      break;
+
+    case LED_STACKCREATED:
+      phy_set_led(BOARD_LED_GREEN, true);
+      phy_set_led(BOARD_LED_BLUE, true);
+      g_initialized = true;
+      break;
+
+    case LED_INIRQ:
+      phy_set_led(BOARD_LED_BLUE, true);
+      break;
+
+    case LED_SIGNAL:
+      phy_set_led(BOARD_LED_GREEN, true);
+      break;
+
+    case LED_ASSERTION:
+      phy_set_led(BOARD_LED_RED, true);
+      phy_set_led(BOARD_LED_BLUE, true);
+      break;
+
+    case LED_PANIC:
+      phy_set_led(BOARD_LED_RED, true);
+      break;
+
+    case LED_IDLE : /* IDLE */
+      phy_set_led(BOARD_LED_RED, true);
+    break;
+    }
+}
+
+/****************************************************************************
+ * Name: board_autoled_off
+ ****************************************************************************/
+
+void board_autoled_off(int led)
+{
+  switch (led)
+    {
+    default:
+      break;
+
+    case LED_SIGNAL:
+      phy_set_led(BOARD_LED_GREEN, false);
+      break;
+
+    case LED_INIRQ:
+      phy_set_led(BOARD_LED_BLUE, false);
+      break;
+
+    case LED_ASSERTION:
+      phy_set_led(BOARD_LED_RED, false);
+      phy_set_led(BOARD_LED_BLUE, false);
+      break;
+
+    case LED_PANIC:
+      phy_set_led(BOARD_LED_RED, false);
+      break;
+
+    case LED_IDLE : /* IDLE */
+      phy_set_led(BOARD_LED_RED, false);
+    break;
+    }
+}
+
+#endif /* CONFIG_ARCH_LEDS */
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_boot.c b/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_boot.c
new file mode 100644
index 0000000..1bae26f
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_boot.c
@@ -0,0 +1,91 @@
+/****************************************************************************
+ * boards/arm/stm32h7/nucleo-h743zi2/src/stm32_boot.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 <debug.h>
+
+#include <nuttx/board.h>
+#include <arch/board/board.h>
+
+#include "arm_arch.h"
+#include "stm32_start.h"
+#include "nucleo-h743zi2.h"
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: stm32_boardinitialize
+ *
+ * Description:
+ *   All STM32 architectures must provide the following entry point.
+ *   This entry point is called early in the initialization -- after all
+ *   memory has been configured and mapped but before any devices have been
+ *   initialized.
+ *
+ ****************************************************************************/
+
+void stm32_boardinitialize(void)
+{
+#ifdef CONFIG_ARCH_LEDS
+  /* Configure on-board LEDs if LED support has been selected. */
+
+  board_autoled_initialize();
+#endif
+
+#if defined(CONFIG_STM32H7_OTGFS) || defined(CONFIG_STM32H7_HOST)
+  /* Initialize USB */
+
+  stm32_usbinitialize();
+#endif
+}
+
+/****************************************************************************
+ * Name: board_late_initialize
+ *
+ * Description:
+ *   If CONFIG_BOARD_LATE_INITIALIZE is selected, then an additional
+ *   initialization call will be performed in the boot-up sequence to a
+ *   function called board_late_initialize().  board_late_initialize()
+ *   will be called immediately after up_initialize() is called and just
+ *   before the initial application is started.  This additional
+ *   initialization phase may be used, for example, to initialize board-
+ *   specific device drivers.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_BOARD_LATE_INITIALIZE
+void board_late_initialize(void)
+{
+#if defined(CONFIG_NSH_LIBRARY) && !defined(CONFIG_LIB_BOARDCTL)
+  /* Perform board bring-up here instead of from the
+   * board_app_initialize().
+   */
+
+  stm32_bringup();
+#endif
+}
+#endif
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_bringup.c b/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_bringup.c
new file mode 100644
index 0000000..af35df4
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_bringup.c
@@ -0,0 +1,186 @@
+/****************************************************************************
+ * boards/arm/stm32h7/nucleo-h743zi2/src/stm32_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/types.h>
+#include <syslog.h>
+#include <errno.h>
+
+#include <nuttx/fs/fs.h>
+#include <nuttx/mtd/mtd.h>
+#include <nuttx/kmalloc.h>
+#include <nuttx/usb/usbmonitor.h>
+
+#ifdef CONFIG_STM32H7_OTGFS
+#include "stm32_usbhost.h"
+#endif
+
+#include "nucleo-h743zi2.h"
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: stm32_bringup
+ *
+ * Description:
+ *   Perform architecture-specific initialization
+ *
+ *   CONFIG_BOARD_LATE_INITIALIZE=y :
+ *     Called from board_late_initialize().
+ *
+ *   CONFIG_BOARD_LATE_INITIALIZE=n && CONFIG_LIB_BOARDCTL=y &&
+ *   CONFIG_NSH_ARCHINIT:
+ *     Called from the NSH library
+ *
+ ****************************************************************************/
+
+int stm32_bringup(void)
+{
+  int ret;
+#ifdef CONFIG_RAMMTD
+  FAR uint8_t *ramstart;
+#endif
+
+  UNUSED(ret);
+
+#ifdef CONFIG_FS_PROCFS
+#ifdef CONFIG_STM32_CCM_PROCFS
+  /* Register the CCM procfs entry.  This must be done before the procfs is
+   * mounted.
+   */
+
+  ccm_procfs_register();
+#endif /* CONFIG_STM32_CCM_PROCFS */
+
+  /* Mount the procfs file system */
+
+  ret = nx_mount(NULL, "/proc", "procfs", 0, NULL);
+  if (ret < 0)
+    {
+      syslog(LOG_ERR,
+             "ERROR: Failed to mount the PROC filesystem: %d\n",  ret);
+    }
+#endif /* CONFIG_FS_PROCFS */
+
+#if !defined(CONFIG_ARCH_LEDS) && defined(CONFIG_USERLED_LOWER)
+  /* Register the LED driver */
+
+  ret = userled_lower_initialize("/dev/userleds");
+  if (ret < 0)
+    {
+      syslog(LOG_ERR, "ERROR: userled_lower_initialize() failed: %d\n", ret);
+    }
+#endif
+
+#ifdef CONFIG_RAMMTD
+  /* Create a RAM MTD device if configured */
+
+  ramstart = (FAR uint8_t *)kmm_malloc(128 * 1024);
+  if (ramstart == NULL)
+    {
+      syslog(LOG_ERR, "ERROR: Allocation for RAM MTD failed\n");
+    }
+  else
+    {
+      /* Initialized the RAM MTD */
+
+      FAR struct mtd_dev_s *mtd = rammtd_initialize(ramstart, 128 * 1024);
+      if (mtd == NULL)
+        {
+          syslog(LOG_ERR, "ERROR: rammtd_initialize failed\n");
+          kmm_free(ramstart);
+        }
+      else
+        {
+          /* Erase the RAM MTD */
+
+          ret = mtd->ioctl(mtd, MTDIOC_BULKERASE, 0);
+          if (ret < 0)
+            {
+              syslog(LOG_ERR, "ERROR: IOCTL MTDIOC_BULKERASE failed\n");
+            }
+
+#ifdef CONFIG_FS_LITTLEFS
+          /* Register the MTD driver so that it can be accessed from the
+           * VFS.
+           */
+
+          ret = register_mtddriver("/dev/rammtd", mtd, 0755, NULL);
+          if (ret < 0)
+            {
+              syslog(LOG_ERR, "ERROR: Failed to register MTD driver: %d\n",
+                     ret);
+            }
+
+          /* Mount the LittleFS file system */
+
+          ret = nx_mount("/dev/rammtd", "/mnt/lfs", "littlefs", 0,
+                         "forceformat");
+          if (ret < 0)
+            {
+              syslog(LOG_ERR,
+                     "ERROR: Failed to mount LittleFS at /mnt/lfs: %d\n",
+                     ret);
+            }
+#endif
+        }
+    }
+#endif
+
+#ifdef HAVE_USBHOST
+  /* Initialize USB host operation.  stm32_usbhost_initialize()
+   * starts a thread will monitor for USB connection and
+   * disconnection events.
+   */
+
+  ret = stm32_usbhost_initialize();
+  if (ret != OK)
+    {
+      syslog(LOG_ERR,
+             "ERROR: Failed to initialize USB host: %d\n",
+             ret);
+    }
+#endif
+
+#ifdef HAVE_USBMONITOR
+  /* Start the USB Monitor */
+
+  ret = usbmonitor_start();
+  if (ret != OK)
+    {
+      syslog(LOG_ERR,
+             "ERROR: Failed to start USB monitor: %d\n",
+             ret);
+    }
+#endif
+
+  return OK;
+}
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_ostest.c b/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_ostest.c
new file mode 100644
index 0000000..de46b2b
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_ostest.c
@@ -0,0 +1,95 @@
+/****************************************************************************
+ * boards/arm/stm32h7/nucleo-h743zi2/src/stm32_ostest.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 <stdint.h>
+#include <stdbool.h>
+#include <string.h>
+#include <debug.h>
+
+#include <nuttx/irq.h>
+#include <arch/board/board.h>
+
+#include "arm_arch.h"
+#include "arm_internal.h"
+#include "nucleo-h743zi2.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Configuration ************************************************************/
+
+#undef HAVE_FPU
+#if defined(CONFIG_ARCH_FPU) && !defined(CONFIG_TESTING_OSTEST_FPUTESTDISABLE) && \
+    defined(CONFIG_TESTING_OSTEST_FPUSIZE) && defined(CONFIG_SCHED_WAITPID)
+#    define HAVE_FPU 1
+#endif
+
+#ifdef HAVE_FPU
+
+#if CONFIG_TESTING_OSTEST_FPUSIZE != (4*SW_FPU_REGS)
+#  error "CONFIG_TESTING_OSTEST_FPUSIZE has the wrong size"
+#endif
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static uint32_t g_saveregs[XCPTCONTEXT_REGS];
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/* Given an array of size CONFIG_TESTING_OSTEST_FPUSIZE, this function will
+ * return the current FPU registers.
+ */
+
+void arch_getfpu(FAR uint32_t *fpusave)
+{
+  irqstate_t flags;
+
+  /* Take a snapshot of the thread context right now */
+
+  flags = enter_critical_section();
+  arm_saveusercontext(g_saveregs);
+
+  /* Return only the floating register values */
+
+  memcpy(fpusave, &g_saveregs[REG_S0], (4*SW_FPU_REGS));
+  leave_critical_section(flags);
+}
+
+/* Given two arrays of size CONFIG_TESTING_OSTEST_FPUSIZE this function
+ * will compare them and return true if they are identical.
+ */
+
+bool arch_cmpfpu(FAR const uint32_t *fpusave1, FAR const uint32_t *fpusave2)
+{
+  return memcmp(fpusave1, fpusave2, (4*SW_FPU_REGS)) == 0;
+}
+
+#endif /* HAVE_FPU */
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_reset.c b/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_reset.c
new file mode 100644
index 0000000..76e3d46
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_reset.c
@@ -0,0 +1,62 @@
+/****************************************************************************
+ * boards/arm/stm32h7/nucleo-h743zi2/src/stm32_reset.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 <nuttx/arch.h>
+#include <nuttx/board.h>
+
+#ifdef CONFIG_BOARDCTL_RESET
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: board_reset
+ *
+ * Description:
+ *   Reset board.  Support for this function is required by board-level
+ *   logic if CONFIG_BOARDCTL_RESET is selected.
+ *
+ * Input Parameters:
+ *   status - Status information provided with the reset event.  This
+ *            meaning of this status information is board-specific.  If not
+ *            used by a board, the value zero may be provided in calls to
+ *            board_reset().
+ *
+ * Returned Value:
+ *   If this function returns, then it was not possible to power-off the
+ *   board due to some constraints.  The return value int this case is a
+ *   board-specific reason for the failure to shutdown.
+ *
+ ****************************************************************************/
+
+int board_reset(int status)
+{
+  up_systemreset();
+  return 0;
+}
+
+#endif /* CONFIG_BOARDCTL_RESET */
diff --git a/boards/arm/stm32h7/nucleo-h743zi/src/stm32_usb.c b/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_usb.c
similarity index 93%
copy from boards/arm/stm32h7/nucleo-h743zi/src/stm32_usb.c
copy to boards/arm/stm32h7/nucleo-h743zi2/src/stm32_usb.c
index c7ce67c..1079d7d 100644
--- a/boards/arm/stm32h7/nucleo-h743zi/src/stm32_usb.c
+++ b/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_usb.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * boards/arm/stm32h7/nucleo-h743zi/src/stm32_usb.c
+ * boards/arm/stm32h7/nucleo-h743zi2/src/stm32_usb.c
  *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
@@ -41,7 +41,7 @@
 #include "chip.h"
 #include "stm32_gpio.h"
 #include "stm32_otg.h"
-#include "nucleo-h743zi.h"
+#include "nucleo-h743zi2.h"
 
 #ifdef CONFIG_STM32H7_OTGFS
 
@@ -56,12 +56,12 @@
 #  undef HAVE_USB
 #endif
 
-#ifndef CONFIG_NUCLEOH743ZI_USBHOST_PRIO
-#  define CONFIG_NUCLEOH743ZI_USBHOST_PRIO 100
+#ifndef CONFIG_USBHOST_DEFPRIO
+#  define CONFIG_USBHOST_DEFPRIO 100
 #endif
 
-#ifndef CONFIG_NUCLEOH743ZI_USBHOST_STACKSIZE
-#  define CONFIG_NUCLEOH743ZI_USBHOST_STACKSIZE 1024
+#ifndef CONFIG_USBHOST_STACKSIZE
+#  define CONFIG_USBHOST_STACKSIZE 2048
 #endif
 
 /****************************************************************************
@@ -229,8 +229,8 @@ int stm32_usbhost_initialize(void)
 
       uinfo("Start usbhost_waiter\n");
 
-      pid = kthread_create("usbhost", CONFIG_NUCLEOH743ZI_USBHOST_PRIO,
-                           CONFIG_NUCLEOH743ZI_USBHOST_STACKSIZE,
+      pid = kthread_create("usbhost", CONFIG_USBHOST_DEFPRIO,
+                           CONFIG_USBHOST_STACKSIZE,
                            (main_t)usbhost_waiter, (FAR char * const *)NULL);
       return pid < 0 ? -ENOEXEC : OK;
     }
@@ -273,15 +273,9 @@ void stm32_usbhost_vbusdrive(int iface, bool enable)
 {
   DEBUGASSERT(iface == 0);
 
-  /* Set the Power Switch by driving the active high enable pin */
+  /* Set the Power Switch by driving the active low enable pin */
 
-#if defined(CONFIG_STM_NUCLEO144_MB1137)
-  stm32_gpiowrite(GPIO_OTGFS_PWRON, enable);
-#elif defined(CONFIG_STM_NUCLEO144_MB1364)
   stm32_gpiowrite(GPIO_OTGFS_PWRON, !enable);
-#else
-# error "Non-supported board"
-#endif
 }
 #endif
 
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_userleds.c b/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_userleds.c
new file mode 100644
index 0000000..5e35c63
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi2/src/stm32_userleds.c
@@ -0,0 +1,129 @@
+/****************************************************************************
+ * boards/arm/stm32h7/nucleo-h743zi2/src/stm32_userleds.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 <stdbool.h>
+#include <debug.h>
+
+#include <nuttx/board.h>
+#include <arch/board/board.h>
+
+#include "stm32_gpio.h"
+#include "nucleo-h743zi2.h"
+
+#ifndef CONFIG_ARCH_LEDS
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define ARRAYSIZE(x) (sizeof((x)) / sizeof((x)[0]))
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/* This array maps an LED number to GPIO pin configuration and is indexed by
+ * BOARD_LED_<color>
+ */
+
+static const uint32_t g_ledcfg[BOARD_NLEDS] =
+{
+  GPIO_LED_GREEN,
+  GPIO_LED_BLUE,
+  GPIO_LED_RED,
+};
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: board_userled_initialize
+ *
+ * Description:
+ *   If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board
+ *   LEDs.  If CONFIG_ARCH_LEDS is not defined, then the
+ *   board_userled_initialize() is available to initialize the LED from user
+ *   application logic.
+ *
+ ****************************************************************************/
+
+uint32_t board_userled_initialize(void)
+{
+  int i;
+
+  /* Configure LED1-3 GPIOs for output */
+
+  for (i = 0; i < ARRAYSIZE(g_ledcfg); i++)
+    {
+      stm32_configgpio(g_ledcfg[i]);
+    }
+
+  return BOARD_NLEDS;
+}
+
+/****************************************************************************
+ * Name: board_userled
+ *
+ * Description:
+ *   If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board
+ *  LEDs.  If CONFIG_ARCH_LEDS is not defined, then the board_userled() is
+ *  available to control the LED from user application logic.
+ *
+ ****************************************************************************/
+
+void board_userled(int led, bool ledon)
+{
+  if ((unsigned)led < ARRAYSIZE(g_ledcfg))
+    {
+      stm32_gpiowrite(g_ledcfg[led], ledon);
+    }
+}
+
+/****************************************************************************
+ * Name: board_userled_all
+ *
+ * Description:
+ *   If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board
+ *  LEDs.  If CONFIG_ARCH_LEDS is not defined, then the board_userled_all()
+ *  is available to control the LED from user application logic. NOTE: since
+ *  there is only a single LED on-board, this is function is not very useful.
+ *
+ ****************************************************************************/
+
+void board_userled_all(uint32_t ledset)
+{
+  int i;
+
+  /* Configure LED1-3 GPIOs for output */
+
+  for (i = 0; i < ARRAYSIZE(g_ledcfg); i++)
+    {
+      stm32_gpiowrite(g_ledcfg[i], (ledset & (1 << i)) != 0);
+    }
+}
+
+#endif /* !CONFIG_ARCH_LEDS */