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boards: st: stm32n6570_dk: add support for stm32n6570_dk board
Add support for STM32N657 DK board. Signed-off-by: Guillaume Gautier <[email protected]>
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‎boards/st/stm32n6570_dk/Kconfig.stm32n6570_dk

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# Copyright (c) 2024 STMicroelectronics
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_STM32N6570_DK
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select SOC_STM32N657XX

‎boards/st/stm32n6570_dk/board.cmake

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# SPDX-License-Identifier: Apache-2.0
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# Copyright (c) 2024 STMicroelectronics
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board_runner_args(stm32cubeprogrammer "--port=swd")
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board_runner_args(stm32cubeprogrammer "--tool-opt= mode=HOTPLUG ap=1")
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board_runner_args(stm32cubeprogrammer "--extload=MX66UW1G45G_STM32N6570-DK.stldr")
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board_runner_args(stm32cubeprogrammer "--download-address=0x70000000")
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include(${ZEPHYR_BASE}/boards/common/stm32cubeprogrammer.board.cmake)

‎boards/st/stm32n6570_dk/board.yml

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board:
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name: stm32n6570_dk
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full_name: STM32N6570-DK
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vendor: st
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socs:
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- name: stm32n657xx

‎boards/st/stm32n6570_dk/doc/img/stm32n6570_dk.webp

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‎boards/st/stm32n6570_dk/doc/index.rst

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.. zephyr:board:: stm32n6570_dk
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Overview
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********
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The STM32N6570_DK Discovery kit is a complete demonstration and development platform
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for the Arm® Cortex®‑M55 core‑based STM32N657X0H3Q microcontroller.
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The STM32N6570_DK Discovery kit includes a full range of hardware features that help
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the user evaluate many peripherals, such as USB Type-C®, Octo‑SPI flash memory and
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Hexadeca‑SPI PSRAM devices, Ethernet, camera module, LCD, microSD™, audio codec,
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digital microphones, ADC, flexible extension connectors, and user button.
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The four flexible extension connectors feature easy and unlimited expansion capabilities
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for specific applications such as wireless connectivity, analog applications, and sensors.
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The STM32N657X0H3Q microcontroller features one USB 2.0 high‑speed/full‑speed
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Device/Host/OTG controller, one USB 2.0 high‑speed/full‑speed Device/Host/OTG controller
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with UCPD (USB Type-C® Power Delivery), one Ethernet with TSN (time-sensitive networking),
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four I2Cs, two I3Cs, six SPIs (of which four I2S‑capable), two SAIs, with four DMIC support,
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five USARTs, five UARTs (ISO78916 interface, LIN, IrDA, up to 12.5 Mbit/s), one LPUART,
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two SDMMCs (MMC version 4.0, CE-ATA version 1.0, and SD version 1.0.1), three CAN FD
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with TTCAN capability, JTAG and SWD debugging support, and Embedded Trace Macrocell™ (ETM).
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The STM32N6570_DK Discovery kit integrates an STLINK-V3EC embedded in-circuit debugger and
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programmer for the STM32 MCU, with a USB Virtual COM port bridge and the comprehensive MCU Package.
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Hardware
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********
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- STM32N657X0H3Q Arm® Cortex®‑M55‑based microcontroller featuring ST Neural-ART Accelerator,
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H264 encoder, NeoChrom 2.5D GPU, and 4.2 Mbytes of contiguous SRAM, in a VFBGA264 package
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- 5" LCD module with capacitive touch panel
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- USB Type-C® with USB 2.0 HS interface, dual‑role‑power (DRP)
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- USB Type-A with USB 2.0 HS interface, host, 0.5 A max
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- 1‑Gbit Ethernet with TSN (time-sensitive networking) compliant with IEEE‑802.3‑2002
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- SAI audio codec
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- One MEMS digital microphone
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- 1‑Gbit Octo‑SPI flash memory
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- 256-Mbit Hexadeca‑SPI PSRAM
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- Two user LEDs
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- User, tamper, and reset push-buttons
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- Board connectors:
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- USB Type-C®
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- USB Type-A
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- Ethernet RJ45
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- Camera module
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- microSD™ card
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- LCD
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- Stereo headset jack including analog microphone input
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- Audio MEMS daughterboard expansion connector
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- ARDUINO® Uno R3 expansion connector
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- STMod+ expansion connector
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- On-board STLINK-V3EC debugger/programmer with USB re-enumeration capability:
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Virtual COM port, and debug port
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Supported Features
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==================
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The Zephyr ``stm32n6570_dk`` board supports the following hardware features:
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+-----------+------------+-------------------------------------+
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| Interface | Controller | Driver/Component |
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+===========+============+=====================================+
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| CLOCK | on-chip | reset and clock control |
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+-----------+------------+-------------------------------------+
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| GPIO | on-chip | gpio |
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+-----------+------------+-------------------------------------+
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| NVIC | on-chip | nested vector interrupt controller |
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+-----------+------------+-------------------------------------+
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| UART | on-chip | serial port-polling; |
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| | | serial port-interrupt |
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+-----------+------------+-------------------------------------+
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Other hardware features are not yet supported on this Zephyr port.
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The default configuration can be found in the defconfig file:
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:zephyr_file:`boards/st/stm32n6570_dk/stm32n6570_dk_defconfig`
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Connections and IOs
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===================
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STM32N6570_DK Board has 12 GPIO controllers. These controllers are responsible
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for pin muxing, input/output, pull-up, etc.
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For more details please refer to `STM32N6570_DK User Manual`_.
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Default Zephyr Peripheral Mapping:
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----------------------------------
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- LD1 : PO1
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- LD2 : PG10
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- USART_1_TX : PE5
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- USART_1_RX : PE6
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System Clock
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------------
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STM32N6570_DK System Clock could be driven by internal or external oscillator,
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as well as main PLL clock. By default System clock is driven by PLL clock at
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400MHz, driven by 64MHz high speed internal oscillator.
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Serial Port
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-----------
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STM32N6570_DK board has 10 U(S)ARTs. The Zephyr console output is assigned to
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USART1. Default settings are 115200 8N1.
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Programming and Debugging
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*************************
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STM32N6570_DK board includes an ST-LINK/V3 embedded debug tool interface.
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This probe allows to flash the board using various tools.
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Flashing
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========
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The board is configured to be flashed using west `STM32CubeProgrammer`_ runner,
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so its :ref:`installation <stm32cubeprog-flash-host-tools>` is required.
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Version 2.18.0 or later of `STM32CubeProgrammer`_ is required.
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Flashing an application to STM32N6570_DK
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------------------------------------------
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Connect the STM32N6570_DK to your host computer using the USB port.
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Then build and flash an application.
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.. note::
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For flashing, BOOT0 pin should be set to 0 and BOOT1 to 1 before powering on
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the board.
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To run the application after flashing, BOOT1 should be set to 0 and the board
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should be powered off and on again.
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Here is an example for the :zephyr:code-sample:`hello_world` application.
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Run a serial host program to connect with your Disco board:
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.. code-block:: console
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$ minicom -D /dev/ttyACM0
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Then build and flash the application.
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.. zephyr-app-commands::
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:zephyr-app: samples/hello_world
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:board: stm32n6570_dk
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:goals: build flash
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You should see the following message on the console:
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.. code-block:: console
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Hello World! stm32n6570_dk/stm32n657xx
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Debugging
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=========
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For now debugging is only available through STM32CubeIDE:
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* Go to File > Import and select C/C++ > STM32 Cortex-M Executable
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* In Executable field, browse to your <ZEPHYR_PATH>/build/zephyr/zephyr.elf
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* In MCU field, select STM32N657X0HxQ.
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* Click on Finish
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* Then click on Debug to start the debugging session
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.. note::
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For debugging, BOOT0 pin should be set to 0 and BOOT1 to 1 before powering on the
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board.
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.. _STM32N6570_DK website:
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https://www.st.com/en/evaluation-tools/stm32n6570-dk.html
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.. _STM32N6570_DK User Manual:
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https://www.st.com/resource/en/user_manual/um3300-discovery-kit-with-stm32n657x0-mcu-stmicroelectronics.pdf
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.. _STM32N657X0 on www.st.com:
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https://www.st.com/en/microcontrollers-microprocessors/stm32n657x0.html
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.. _STM32N657 reference manual:
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https://www.st.com/resource/en/reference_manual/rm0486-stm32n647657xx-armbased-32bit-mcus-stmicroelectronics.pdf
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.. _STM32CubeProgrammer:
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https://www.st.com/en/development-tools/stm32cubeprog.html

‎boards/st/stm32n6570_dk/stm32n6570_dk.dts

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/*
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* Copyright (c) 2024 STMicroelectronics
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/dts-v1/;
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#include <st/n6/stm32n657X0.dtsi>
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#include <st/n6/stm32n657x0hxq-pinctrl.dtsi>
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#include <zephyr/dt-bindings/input/input-event-codes.h>
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/ {
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model = "STMicroelectronics STM32N6570 Discovery Kit board";
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compatible = "st,stm32n6570-dk";
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chosen {
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zephyr,console = &usart1;
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zephyr,shell-uart = &usart1;
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zephyr,sram = &axisram2;
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};
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aliases {
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led0 = &green_led_1;
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};
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leds: leds {
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compatible = "gpio-leds";
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green_led_1: led_1 {
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gpios = <&gpioo 1 GPIO_ACTIVE_HIGH>;
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label = "User LD1";
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};
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red_led_1: led_2 {
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gpios = <&gpiog 10 GPIO_ACTIVE_HIGH>;
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label = "User LD2";
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};
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};
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};
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&clk_hsi {
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hsi-div = <1>;
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status = "okay";
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};
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&pll1 {
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clocks = <&clk_hsi>;
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div-m = <4>;
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mul-n = <75>;
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div-p1 = <1>;
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div-p2 = <1>;
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status = "okay";
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};
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&ic1 {
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pll-src = <1>;
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ic-div = <2>;
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status = "okay";
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};
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&ic2 {
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pll-src = <1>;
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ic-div = <3>;
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status = "okay";
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};
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&ic6 {
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pll-src = <1>;
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ic-div = <2>;
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status = "okay";
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};
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&ic11 {
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pll-src = <1>;
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ic-div = <3>;
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status = "okay";
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};
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&perck {
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clocks = <&rcc STM32_SRC_HSI PER_SEL(0)>;
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status = "okay";
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};
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&cpusw {
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clocks = <&rcc STM32_SRC_IC1 CPU_SEL(3)>;
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clock-frequency = <DT_FREQ_M(600)>;
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status = "okay";
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};
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&rcc {
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/* ic2, ic6 & ic11 must all be enabled to set ic2 as SYSCLK */
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clocks = <&ic2>;
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clock-frequency = <DT_FREQ_M(400)>;
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ahb-prescaler = <2>;
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apb1-prescaler = <1>;
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apb2-prescaler = <1>;
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apb4-prescaler = <1>;
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apb5-prescaler = <1>;
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};
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&usart1 {
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clocks = <&rcc STM32_CLOCK(APB2, 4)>,
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<&rcc STM32_SRC_CKPER USART1_SEL(1)>;
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pinctrl-0 = <&usart1_tx_pe5 &usart1_rx_pe6>;
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pinctrl-names = "default";
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current-speed = <115200>;
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status = "okay";
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};

‎boards/st/stm32n6570_dk/stm32n6570_dk.yaml

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identifier: stm32n6570_dk
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name: STM32N6570 Discovery Kit
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type: mcu
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arch: arm
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toolchain:
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- zephyr
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- gnuarmemb
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- xtools
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ram: 1024
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flash: 0
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supported:
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- gpio
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- uart
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vendor: st

‎boards/st/stm32n6570_dk/stm32n6570_dk_defconfig

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# SPDX-License-Identifier: Apache-2.0
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# Copyright (c) 2024 STMicroelectronics
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# Enable UART driver
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CONFIG_SERIAL=y
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# Enable GPIO
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CONFIG_GPIO=y
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# Console
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CONFIG_CONSOLE=y
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CONFIG_UART_CONSOLE=y
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# No internal Flash
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CONFIG_XIP=n

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