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.. zephyr:board:: rzg2lc_smarc
Overview
********
The Renesas RZ/G2LC SMARC Evaluation Board Kit (RZ/G2LC-EVKIT) consists of a SMARC v2.1 module board and a carrier board.
* Device: RZ/G2LC R9A07G044C22GBG
* Cortex-A55 Dual, Cortex-M33
* BGA361pin, 13mmSq body, 0.5mm pitch
* SMARC v2.1 Module Board Functions
* DDR4 SDRAM: 1GB x 1pc
* QSPI flash memory: 512Mb x 1pc
* eMMC memory: 64GB x 1pc
* The microSD card slot is implemented and used as an eSD for boot
* 5-output clock oscillator `5P35023 <https://www.renesas.com/en/products/clocks-timing/clock-generation/programmable-clocks/5p35023-versaclock-3s-programmable-clock-generator>`_ implemented
* PMIC power supply `RAA215300 <https://www.renesas.com/en/products/power-management/multi-channel-power-management-ics-pmics/raa215300-high-performance-9-channel-pmic-supporting-ddr-memory-built-charger-and-rtc>`_ implemented
* Carrier Board Functions
* The FFC/FPC connector is mounted as standard for connection to high-speed serial interface for camera module.
* The Micro-HDMI connector via DSI/HDMI conversion module is mounted as standard for connection to high-speed serial interface for digital video module.
* The Micro-AB receptacle (ch0: USB2.0 OTG) and A receptacle (ch1: USB2.0 Host) are respectively mounted as standard for connection to USB interface.
* The RJ45 connector is mounted as standard for software development and evaluation using Ethernet.
* The audio codec is mounted as standard for advance development of audio system. The audio jack is implemented for connection to audio interface.
* The Micro-AB receptacles are implemented for connection to asynchronous serial port interface.
* The microSD card slot and two sockets for PMOD are implemented as an interface for peripheral functions.
* For power supply, a mounted USB Type-C receptacle supports the USB PD standard.
Hardware
********
The Renesas RZ/G2LC MPU documentation can be found at `RZ/G2LC Group Website`_
.. figure:: rzg2lc_block_diagram.webp
:width: 600px
:align: center
:alt: RZ/G2LC group feature
RZ/G2LC block diagram (Credit: Renesas Electronics Corporation)
Supported Features
==================
.. zephyr:board-supported-hw::
Programming and Debugging
*************************
Applications for the ``rzg2lc_smarc`` board can be built in the usual way as
documented in :ref:`build_an_application`.
Console
=======
The UART port for Cortex-M33 System Core can be accessed by connecting `Pmod USBUART <https://store.digilentinc.com/pmod-usbuart-usb-to-uart-interface/>`_
to the upper side of ``PMOD 1``.
Debugging
=========
It is possible to load and execute a Zephyr application binary on
this board on the Cortex-M33 System Core from
the internal SRAM, using ``JLink`` debugger (:ref:`jlink-debug-host-tools`).
Here is an example for building and debugging with the :zephyr:code-sample:`hello_world` application.
.. zephyr-app-commands::
:zephyr-app: samples/hello_world
:board: rzg2lc_smarc/r9a07g044c22gbg/cm33
:goals: build debug
Flashing
========
RZ/G2LC-EVKIT is designed to start different systems on different cores.
It uses Yocto as the build system to build Linux system and boot loaders
to run Zephyr on Cortex-M33 with u-boot. The minimal steps are described below.
1. Follow "2.2 Building Images" of `SMARC EVK of RZ/G2L, RZ/G2LC, RZ/G2UL Linux Start-up Guide`_ to prepare the build environment.
2. At step (4), follow step "2. Download Multi-OS Package" and "3. Add the layer for Multi-OS Package"
of "3.2 OpenAMP related stuff Integration for RZ/G2L, RZ/G2LC and RZ/G2UL" of `Release Note for RZ/G Multi-OS Package V2.0.2`_
to add the layer for Multi-OS Package.
.. code-block:: console
$ cd ~/rzg_vlp_<pkg ver>
$ unzip <Multi-OS Dir>/r01an5869ej0202-rzg-multi-os-pkg.zip
$ tar zxvf r01an5869ej0202-rzg-multi-os-pkg/meta-rz-features_multi-os_v2.0.2.tar.gz
$ bitbake-layers add-layer ../meta-rz-features/meta-rz-multi-os/meta-rzg2l
3. Start the build:
.. code-block:: console
$ MACHINE=smarc-rzg2lc bitbake core-image-minimal
The below necessary artifacts will be located in the build/tmp/deploy/images
+---------------+------------------------------------------------------+
| Artifacts | File name |
+===============+======================================================+
| Boot loader | bl2_bp-smarc-rzg2lc.srec |
| | |
| | fip-smarc-rzg2lc.srec |
+---------------+------------------------------------------------------+
| Flash Writer | Flash_Writer_SCIF_RZG2LC_SMARC_DDR4_1GB_1PCS.mot |
+---------------+------------------------------------------------------+
4. Follow "4.2 Startup Procedure" of `SMARC EVK of RZ/G2L, RZ/G2LC, RZ/G2UL Linux Start-up Guide`_ for power supply and board setting
at SCIF download (SW11[1:4] = OFF, ON, OFF, ON) and (SW1[1:2] = ON, OFF)
5. Follow "4.3 Download Flash Writer to RAM" of `SMARC EVK of RZ/G2L, RZ/G2LC, RZ/G2UL Linux Start-up Guide`_ to download Flash Writer to RAM
6. Follow "4.4 Write the Bootloader" of `SMARC EVK of RZ/G2L, RZ/G2LC, RZ/G2UL Linux Start-up Guide`_ to write the boot loader
to the target board by using Flash Writer.
7. Follow "4.5 Change Back to Normal Boot Mode" with switch setting (SW11[1:4] = OFF, OFF, OFF, ON) and (SW1[1:2] = ON, OFF)
8. Follow "3. Preparing the SD Card" of `SMARC EVK of RZ/G2L, RZ/G2LC, RZ/G2UL Linux Start-up Guide`_ to write files to the microSD Card
9. Copy zephyr.bin file to microSD card
10. Follow "4.4.2 CM33 Sample Program Invocation with u-boot" from the beginning to step 4 of `Release Note for RZ/G Multi-OS Package V2.0.2`_
11. Execute the commands stated below on the console to start zephyr application with CM33 core.
Here, ''N'' stands for the partition number in which you stored zephyr.bin file.
.. code-block:: console
Hit any key to stop autoboot: 2
=> dcache off
=> mmc dev 1
=> fatload mmc 1:N 0x00010000 zephyr.bin
=> fatload mmc 1:N 0x40010000 zephyr.bin
=> cm33 start_normal 0x00010000 0x40010000
=> dcache on
References
**********
.. target-notes::
.. _RZ/G2LC Group Website:
https://www.renesas.com/en/products/microcontrollers-microprocessors/rz-mpus/rzg2lc-general-purpose-mcus-dual-core-arm-cortex-a55-12ghz-cpus-and-single-core-arm-cortex-m33-200mhz-cpu
.. _RZG2LC-EVKIT Website:
https://www.renesas.com/en/products/microcontrollers-microprocessors/rz-mpus/rzg2lc-evkit-evaluation-board-kit-rzg2lc-mpu
.. _SMARC EVK of RZ/G2L, RZ/G2LC, RZ/G2UL Linux Start-up Guide:
https://www.renesas.com/en/document/gde/smarc-evk-rzg2l-rzg2lc-rzg2ul-linux-start-guide-rev105
.. _Release Note for RZ/G Multi-OS Package V2.0.2:
https://www.renesas.com/us/en/document/rln/release-note-rzg-multi-os-package-v202