boards/nucleo-h743zi: Add nxboot bootloader support

arch/arm/src/stm32h7/Kconfig

@@ -674,6 +674,16 @@ config STM32_APP_FORMAT_MCUBOOT
 comment "MCUboot support depends on CONFIG_EXPERIMENTAL"
 	depends on !EXPERIMENTAL
 
+config STM32_APP_FORMAT_NXBOOT
+	bool "NuttX nxboot format"
+	select STM32_HAVE_OTA_PARTITION
+	depends on EXPERIMENTAL
+	---help---
+		The NuttX nxboot support of loading the firmware images.
+
+comment "nxboot support depends on CONFIG_EXPERIMENTAL"
+	depends on !EXPERIMENTAL
+
 endchoice # Application Image Format
 
 endmenu # Application Image Configuration
@@ -6593,29 +6603,44 @@ config STM32_OTA_SECONDARY_SLOT_DEVPATH
 	string "Application image secondary slot device path"
 	default "/dev/ota1"
 
+config STM32_OTA_TERTIARY_SLOT_DEVPATH
+	string "Application image tertiary slot device path"
+	default "/dev/ota2"
+	depends on STM32_APP_FORMAT_NXBOOT
+
 config STM32_OTA_SCRATCH_DEVPATH
 	string "Scratch partition device path"
 	default "/dev/otascratch"
+	depends on STM32_APP_FORMAT_MCUBOOT
 
 config STM32_OTA_PRIMARY_SLOT_OFFSET
-	hex "MCUboot application image primary slot offset"
+	hex "Application image primary slot offset"
 	default "0x40000"
 
 config STM32_OTA_SECONDARY_SLOT_OFFSET
-	hex "MCUboot application image secondary slot offset"
+	hex "Application image secondary slot offset"
+	default "0xc0000" if STM32_APP_FORMAT_NXBOOT
 	default "0x100000"
 
+config STM32_OTA_TERTIARY_SLOT_OFFSET
+	hex "Application image tertiary slot offset"
+	default "0x140000"
+	depends on STM32_APP_FORMAT_NXBOOT
+
 config STM32_OTA_SCRATCH_OFFSET
 	hex "MCUboot scratch partition offset"
 	default "0x1c0000"
+	depends on STM32_APP_FORMAT_MCUBOOT
 
 config STM32_OTA_SLOT_SIZE
-	hex "MCUboot application image slot size (in bytes)"
+	hex "Application image slot size (in bytes)"
+	default "0x80000" if STM32_APP_FORMAT_NXBOOT
 	default "0xc0000"
 
 config STM32_OTA_SCRATCH_SIZE
 	hex "MCUboot scratch partition size (in bytes)"
 	default "0x40000"
+	depends on STM32_APP_FORMAT_MCUBOOT
 
 endif # STM32_PROGMEM_OTA_PARTITION
 endif # STM32_HAVE_OTA_PARTITION

boards/arm/stm32h7/nucleo-h743zi/configs/nxboot-app/defconfig

@@ -0,0 +1,65 @@
+#
+# 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_STANDARD_SERIAL is not set
+# CONFIG_STM32H7_USE_LEGACY_PINMAP is not set
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD="nucleo-h743zi"
+CONFIG_ARCH_BOARD_NUCLEO_H743ZI=y
+CONFIG_ARCH_CHIP="stm32h7"
+CONFIG_ARCH_CHIP_STM32H743ZI=y
+CONFIG_ARCH_CHIP_STM32H7=y
+CONFIG_ARCH_CHIP_STM32H7_CORTEXM7=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARMV7M_DCACHE=y
+CONFIG_ARMV7M_DCACHE_WRITETHROUGH=y
+CONFIG_ARMV7M_DTCM=y
+CONFIG_ARMV7M_ICACHE=y
+CONFIG_BOARDCTL_RESET=y
+CONFIG_BOARD_LOOPSPERMSEC=43103
+CONFIG_BOOT_NXBOOT=y
+CONFIG_BUILTIN=y
+CONFIG_DEBUG_SYMBOLS=y
+CONFIG_EXPERIMENTAL=y
+CONFIG_FAT_LCNAMES=y
+CONFIG_FS_FAT=y
+CONFIG_FS_PROCFS=y
+CONFIG_FS_PROCFS_REGISTER=y
+CONFIG_HAVE_CXX=y
+CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_INIT_ENTRYPOINT="nsh_main"
+CONFIG_INTELHEX_BINARY=y
+CONFIG_LIBM=y
+CONFIG_LINE_MAX=64
+CONFIG_MM_REGIONS=4
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_DISABLE_IFUPDOWN=y
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_MOTD=y
+CONFIG_NSH_MOTD_STRING="Welcome to NuttX from nxboot, this is the FIRST firmware."
+CONFIG_NSH_READLINE=y
+CONFIG_NXBOOT_HEADER_SIZE=0x400
+CONFIG_PREALLOC_TIMERS=4
+CONFIG_RAM_SIZE=245760
+CONFIG_RAM_START=0x20010000
+CONFIG_RAW_BINARY=y
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_HPWORK=y
+CONFIG_SCHED_LPWORK=y
+CONFIG_SCHED_WAITPID=y
+CONFIG_SPI=y
+CONFIG_START_DAY=28
+CONFIG_START_MONTH=12
+CONFIG_START_YEAR=2021
+CONFIG_STM32H7_FLASH_OVERRIDE_I=y
+CONFIG_STM32H7_USART3=y
+CONFIG_STM32_APP_FORMAT_NXBOOT=y
+CONFIG_STM32_PROGMEM_OTA_PARTITION=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_TASK_NAME_SIZE=0
+CONFIG_USART3_SERIAL_CONSOLE=y

boards/arm/stm32h7/nucleo-h743zi/configs/nxboot-loader/defconfig

@@ -0,0 +1,70 @@
+#
+# 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_STM32H7_USE_LEGACY_PINMAP is not set
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD="nucleo-h743zi"
+CONFIG_ARCH_BOARD_NUCLEO_H743ZI=y
+CONFIG_ARCH_CHIP="stm32h7"
+CONFIG_ARCH_CHIP_STM32H743ZI=y
+CONFIG_ARCH_CHIP_STM32H7=y
+CONFIG_ARCH_CHIP_STM32H7_CORTEXM7=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARMV7M_DCACHE=y
+CONFIG_ARMV7M_DCACHE_WRITETHROUGH=y
+CONFIG_ARMV7M_DTCM=y
+CONFIG_ARMV7M_ICACHE=y
+CONFIG_BOARDCTL_RESET=y
+CONFIG_BOARD_LOOPSPERMSEC=43103
+CONFIG_BOOT_NXBOOT=y
+CONFIG_BUILTIN=y
+CONFIG_DEBUG_SYMBOLS=y
+CONFIG_DRVR_INVALIDATE=y
+CONFIG_DRVR_READAHEAD=y
+CONFIG_DRVR_WRITEBUFFER=y
+CONFIG_EXPERIMENTAL=y
+CONFIG_FAT_LCNAMES=y
+CONFIG_FS_FAT=y
+CONFIG_FS_PROCFS=y
+CONFIG_FS_PROCFS_REGISTER=y
+CONFIG_FTL_WRITEBUFFER=y
+CONFIG_HAVE_CXX=y
+CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_INIT_ENTRYPOINT="nxboot_loader_main"
+CONFIG_INTELHEX_BINARY=y
+CONFIG_LIBM=y
+CONFIG_LINE_MAX=64
+CONFIG_MM_IOB=y
+CONFIG_MM_REGIONS=4
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_DISABLE_IFUPDOWN=y
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_LIBRARY=y
+CONFIG_NSH_MOTD=y
+CONFIG_NSH_MOTD_STRING="Welcome to NuttX nxboot Loader!"
+CONFIG_NSH_READLINE=y
+CONFIG_NXBOOT_BOOTLOADER=y
+CONFIG_NXBOOT_HEADER_SIZE=0x400
+CONFIG_PREALLOC_TIMERS=4
+CONFIG_RAM_SIZE=245760
+CONFIG_RAM_START=0x20010000
+CONFIG_RAW_BINARY=y
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_HPWORK=y
+CONFIG_SCHED_LPWORK=y
+CONFIG_SCHED_WAITPID=y
+CONFIG_SPI=y
+CONFIG_START_DAY=28
+CONFIG_START_MONTH=12
+CONFIG_START_YEAR=2021
+CONFIG_STM32H7_FLASH_OVERRIDE_I=y
+CONFIG_STM32H7_USART3=y
+CONFIG_STM32_APP_FORMAT_NXBOOT=y
+CONFIG_STM32_PROGMEM_OTA_PARTITION=y
+CONFIG_TASK_NAME_SIZE=0
+CONFIG_USART3_SERIAL_CONSOLE=y
+CONFIG_WQUEUE_NOTIFIER=y

boards/arm/stm32h7/nucleo-h743zi/scripts/Make.defs

@@ -30,6 +30,12 @@ ifeq ($(CONFIG_STM32_APP_FORMAT_MCUBOOT),y)
   else
     LDSCRIPT = flash-mcuboot-app.ld
   endif
+else ifeq ($(CONFIG_STM32_APP_FORMAT_NXBOOT),y)
+  ifeq ($(CONFIG_NXBOOT_BOOTLOADER),y)
+    LDSCRIPT = flash-nxboot-loader.ld
+  else
+    LDSCRIPT = flash-nxboot-app.ld
+  endif
 else
   LDSCRIPT = flash.ld
 endif