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boards: renesas: Initial support Renesas EK-RA6M1 board
- Initial commit to support EK-RA6M1 board Signed-off-by: Duy Phuong Hoang. Nguyen <[email protected]>
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‎boards/renesas/ek_ra6m1/Kconfig.ek_ra6m1‎

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# Copyright (c) 2024 Renesas Electronics Corporation
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_EK_RA6M1
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select SOC_R7FA6M1AD3CFP

‎boards/renesas/ek_ra6m1/board.cmake‎

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# Copyright (c) 2024 Renesas Electronics Corporation
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# SPDX-License-Identifier: Apache-2.0
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board_runner_args(jlink "--device=R7FA6M1AD")
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include(${ZEPHYR_BASE}/boards/common/jlink.board.cmake)

‎boards/renesas/ek_ra6m1/board.yml‎

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board:
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name: ek_ra6m1
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vendor: renesas
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socs:
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- name: r7fa6m1ad3cfp

‎boards/renesas/ek_ra6m1/doc/ek-ra6m1-board.webp‎

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‎boards/renesas/ek_ra6m1/doc/index.rst‎

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.. _ek_ra6m1:
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RA6M1 Evaluation Kit
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####################
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Overview
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********
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The Renesas RA6M1 microcontroller is the entry point to the Renesas RA6 product
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series for applications that require a high-performance Arm® Cortex®-M4 core at
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a very attractive price point. The RA6M1 is built on a highly efficient 40nm process
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and is supported by an open and flexible ecosystem concept—the Flexible Software
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Package (FSP), built on FreeRTOS—and is expandable to use other RTOSes and middleware.
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The RA6M1 is suitable for IoT applications requiring security, large embedded RAM and
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low power consumption.
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The key features of the EK-RA6M1 board are categorized in three groups as follow:
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**MCU Native Pin Access**
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- R7FA6M1AD3CFP
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- 100-pin LQFP package
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- 120 MHz Arm® Cortex®-M4 core with Floating Point Unit (FPU)
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- 256 KB SRAM
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- 512 KB code flash memory
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- 8 KB data flash memory
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**Connectivity**
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- A Device USB connector for the Main MCU
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- S124 MCU-based SEGGER J-Link® On-Board interface for debugging and programming of the
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RA6M1 MCU. A 10-pin JTAG/SWD interface is also provided for connecting optional external
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debuggers and programmers.
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- Two PMOD connectors, allowing use of appropriate PMOD compliant peripheral plug-in modules for
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rapid prototyping
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- Pin headers for access to power and signals for the Main MCU
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**Multiple clock sources**
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- Main MCU oscillator crystals, providing precision 12.000 MHz and 32,768 Hz external reference
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clocks
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- Additional low-precision clocks are available internal to the Main MCU
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**General purpose I/O ports**
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- One jumper to allow measuring of Main MCU current
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- Copper jumpers on PCB bottom side for configuration and access to selected MCU signals
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**Operating voltage**
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- External 5 V input through the Debug USB connector supplies the on-board power regulator to power
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logic and interfaces on the board. External 5 V or 3.3 V may be also supplied through alternate
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locations on the board.
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- A two-color board status LED indicating availability of regulated power and connection status of the J-Link
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interface.
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- A red User LED, controlled by the Main MCU firmware
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- A User Push-Button switch, User Capacitive Touch Button sensor, and an optional User Potentiometer,
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all of which are controlled by the Main MCU firmware
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- MCU reset push-button switch
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- MCU boot configuration jumper
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**Special Feature Access**
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- USB Full Speed Debug and Device (micro-AB connector)
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.. figure:: ek-ra6m1-board.webp
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:align: center
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:alt: RA6M1 Evaluation Kit
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EK-RA6M1 Board Functional Area Definitions (Credit: Renesas Electronics Corporation)
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Hardware
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********
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Detailed hardware feature for the RA6M1 MCU group can be found at `RA6M1 Group User's Manual Hardware`_
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.. figure:: ra6m1-block-diagram.webp
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:width: 442px
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:align: center
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:alt: RA6M1 MCU group feature
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RA6M1 Block diagram (Credit: Renesas Electronics Corporation)
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Detailed hardware feature for the EK-RA6M1 MCU can be found at `EK-RA6M1 - User's Manual`_
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Supported Features
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==================
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The below features are currently supported on Zephyr OS for EK-RA6M1 board:
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+-----------+------------+----------------------+
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| Interface | Controller | Driver/Component |
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+===========+============+======================+
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| GPIO | on-chip | gpio |
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+-----------+------------+----------------------+
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| MPU | on-chip | arch/arm |
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+-----------+------------+----------------------+
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| NVIC | on-chip | arch/arm |
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+-----------+------------+----------------------+
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| UART | on-chip | serial |
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+-----------+------------+----------------------+
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Other hardware features are currently not supported by the port.
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Programming and Debugging
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*************************
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Applications for the ``ek_ra6m1`` board target configuration can be
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built, flashed, and debugged in the usual way. See
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:ref:`build_an_application` and :ref:`application_run` for more details on
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building and running.
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Flashing
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========
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Program can be flashed to EK-RA6M1 via the on-board SEGGER J-Link debugger.
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SEGGER J-link's drivers are avaialbe at https://www.segger.com/downloads/jlink/
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To flash the program to board
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1. Connect to J-Link OB via USB port to host PC
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2. Make sure J-Link OB jumper is in default configuration as describe in `EK-RA6M1 - User's Manual`_
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3. Execute west command
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.. code-block:: console
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west flash -r jlink
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Debugging
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=========
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You can use Segger Ozone (`Segger Ozone Download`_) for a visual debug interface
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Once downloaded and installed, open Segger Ozone and configure the debug project
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like so:
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* Target Device: R7FA6M1AD
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* Target Interface: SWD
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* Target Interface Speed: 4 MHz
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* Host Interface: USB
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* Program File: <path/to/your/build/zephyr.elf>
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**Note:** It's verified that we can debug OK on Segger Ozone v3.30d so please use this or later
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version of Segger Ozone
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References
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**********
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- `EK-RA6M1 Website`_
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- `RA6M1 MCU group Website`_
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.. _EK-RA6M1 Website:
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https://www.renesas.com/us/en/products/microcontrollers-microprocessors/ra-cortex-m-mcus/ek-ra6m1-evaluation-kit-ra6m1-mcu-group
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.. _RA6M1 MCU group Website:
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https://www.renesas.com/us/en/products/microcontrollers-microprocessors/ra-cortex-m-mcus/ra6m1-32-bit-microcontrollers-120mhz-optimized-entry-point-ra6-series
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.. _EK-RA6M1 - User's Manual:
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https://www.renesas.com/us/en/document/mat/ek-ra6m1-v1-users-manual
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.. _RA6M1 Group User's Manual Hardware:
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https://www.renesas.com/us/en/document/mah/renesas-ra6m1-group-users-manual-hardware?r=1054156
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.. _Segger Ozone Download:
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https://www.segger.com/downloads/jlink#Ozone

‎boards/renesas/ek_ra6m1/doc/ra6m1-block-diagram.webp‎

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‎boards/renesas/ek_ra6m1/ek_ra6m1-pinctrl.dtsi‎

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/*
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* Copyright (c) 2024 Renesas Electronics Corporation
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* SPDX-License-Identifier: Apache-2.0
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*/
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&pinctrl {
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sci8_default: sci8_default {
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group1 {
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/* tx rx */
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psels = <RA_PSEL(RA_PSEL_SCI_8, 1, 5)>,
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<RA_PSEL(RA_PSEL_SCI_8, 1, 4)>;
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};
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};
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};

‎boards/renesas/ek_ra6m1/ek_ra6m1.dts‎

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/*
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* Copyright (c) 2024 Renesas Electronics Corporation
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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 <renesas/ra/ra6/r7fa6m1ad3cfp.dtsi>
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#include <dt-bindings/gpio/gpio.h>
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#include "ek_ra6m1-pinctrl.dtsi"
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/ {
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model = "Renesas EK-RA6M1";
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compatible = "renesas,ra6m1", "renesas,ra";
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chosen {
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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zephyr,console = &uart8;
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zephyr,shell-uart = &uart8;
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};
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leds {
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compatible = "gpio-leds";
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led1: led1 {
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gpios = <&ioport1 12 GPIO_ACTIVE_HIGH>;
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label = "LED1";
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};
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};
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aliases {
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led0 = &led1;
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};
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};
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&sci8 {
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pinctrl-0 = <&sci8_default>;
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pinctrl-names = "default";
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status = "okay";
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uart8: uart {
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current-speed = <115200>;
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status = "okay";
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};
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};
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&ioport1 {
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status = "okay";
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};
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&xtal {
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clock-frequency = <DT_FREQ_M(20)>;
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mosel = <0>;
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#clock-cells = <0>;
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status = "okay";
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};
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&subclk {
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status = "okay";
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};
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&pll {
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source = <RA_PLL_SOURCE_MAIN_OSC>;
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div = <RA_PLL_DIV_1>;
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mul = <20 0>;
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status = "okay";
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};

‎boards/renesas/ek_ra6m1/ek_ra6m1.yaml‎

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identifier: ek_ra6m1
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name: Renesas EK-RA6M1
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type: mcu
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arch: arm
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ram: 256
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flash: 512
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toolchain:
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- zephyr
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- gnuarmemb
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supported:
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- gpio
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- uart

‎boards/renesas/ek_ra6m1/ek_ra6m1_defconfig‎

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# Copyright (c) 2024 Renesas Electronics Corporation
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# SPDX-License-Identifier: Apache-2.0
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CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=120000000
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# Enable GPIO
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CONFIG_GPIO=y
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CONFIG_PINCTRL=y
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CONFIG_BUILD_OUTPUT_HEX=y
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CONFIG_BUILD_NO_GAP_FILL=y
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# Enable Console
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CONFIG_SERIAL=y
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CONFIG_UART_CONSOLE=y
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CONFIG_UART_INTERRUPT_DRIVEN=y
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CONFIG_CONSOLE=y

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