Initial: add Opta target

boards.txt

@@ -472,3 +472,68 @@ portentac33.bootloader.file=zephyr-{build.variant}.bin
 portentac33.bootloader.interface=0
 portentac33.bootloader.address=0x10000
 portentac33.bootloader.dfuse=-Q
+
+##########################################################################################
+
+opta.name=Arduino Opta
+opta.build.core=arduino
+opta.build.crossprefix=arm-zephyr-eabi-
+opta.build.compiler_path={runtime.tools.arm-zephyr-eabi-0.16.8.path}/bin/
+
+opta.menu.debug.false=Standard
+opta.menu.debug.true=Debug
+
+opta.menu.debug.false.postbuild_debug=
+opta.menu.debug.true.postbuild_debug=-debug
+
+opta.build.variant=arduino_opta_stm32h747xx_m7
+opta.build.mcu=cortex-m7
+opta.build.fpu=-mfpu=fpv5-d16
+opta.build.architecture=cortex-m7
+opta.compiler.zephyr.arch.define=-DCORE_CM7
+
+opta.build.float-abi=-mfloat-abi=softfp
+opta.build.extra_flags=
+opta.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
+opta.build.architecture=cortex-m7
+opta.build.board=ARDUINO_OPTA
+opta.compiler.zephyr=
+opta.vid.0=0x2341
+opta.pid.0=0x0064
+opta.upload_port.0.vid=0x2341
+opta.upload_port.0.pid=0x0364
+
+opta.upload.tool=dfu-util
+opta.upload.tool.default=dfu-util
+opta.upload.protocol=
+opta.upload.transport=
+opta.upload.vid=0x2341
+opta.upload.pid=0x0364
+opta.upload.interface=0
+opta.upload.use_1200bps_touch=true
+opta.upload.wait_for_upload_port=true
+opta.upload.native_usb=true
+opta.upload.maximum_size=1966080
+opta.upload.maximum_data_size=523624
+
+opta.upload.address=0x080E0000
+
+opta.upload.maximum_size=786432
+opta.upload.maximum_data_size=523624
+
+opta.bootloader.tool=dfu-util
+opta.bootloader.tool.default=dfu-util
+opta.bootloader.vid=0x2341
+opta.bootloader.pid=0x0364
+opta.bootloader.interface=0
+opta.bootloader.file=zephyr-{build.variant}.bin
+opta.bootloader.address=0x08040000
+
+opta.debug.tool=gdb
+opta.debug.server.openocd.scripts.0=interface/{programmer.protocol}.cfg
+opta.debug.server.openocd.scripts.1={programmer.transport_script}
+opta.debug.server.openocd.scripts.2=target/stm32h7x_dual_bank.cfg
+opta.debug.cortex-debug.custom.request=attach
+opta.debug.svd_file={runtime.platform.path}/svd/STM32H747_CM7.svd
+
+##############################################################################################################