| .. _rcar_spider_a55: |
| |
| R-CAR Spider S4 (ARM64) |
| ####################### |
| |
| Overview |
| ******** |
| R-Car S4 enables to launch Car Server/CoGW with high performance, high-speed networking, |
| high security and high functional safety levels that are required as E/E architectures |
| evolve into domains and zones. The R-Car S4 solution allows designers to re-use up to 88 |
| percent of software code developed for 3rd generation R-Car SoCs and RH850 MCU applications. |
| The software package supports the real-time cores with various drivers and basic software |
| such as Linux BSP and hypervisors. |
| |
| Hardware |
| ******** |
| The R-Car S4 includes: |
| |
| * eight 1.2GHz Arm Cortex-A55 cores, 2 cores x 4 clusters; |
| * 1.0 GHz Arm Cortex-R52 core (hardware Lock step is supported); |
| * two 400MHz G4MH cores (hardware Lock step is supported); |
| * memory controller for LPDDR4X-3200 with 32bit bus (16bit x 1ch + 16bit x 1ch) with ECC; |
| * SD card host interface / eMMC; |
| * UFS 3.0 x 1 channel; |
| * PCI Express Gen4.0 interface (Dual lane x 2ch); |
| * ICUMX; |
| * ICUMH; |
| * SHIP-S x 3 channels; |
| * AES Accerator x 8 channels; |
| * CAN FD interface x 16 channels; |
| * R-Switch2 (Ether); |
| * 100base EtherAVB x 1 channel; |
| * Gbit-EtherTSN x 3 channels; |
| * 1 unit FlexRay (A,B 2ch) interface. |
| |
| Supported Features |
| ================== |
| The Renesas ``rcar_spider_s4/r8a779f0/a55`` board configuration supports the following |
| hardware features: |
| |
| +-----------+------------------------------+--------------------------------+ |
| | Interface | Driver/components | Support level | |
| +===========+==============================+================================+ |
| | PINCTRL | pinctrl | | |
| +-----------+------------------------------+--------------------------------+ |
| | CLOCK | clock_control | | |
| +-----------+------------------------------+--------------------------------+ |
| | UART | serial | interrupt-driven/polling | |
| +-----------+------------------------------+--------------------------------+ |
| |
| Other hardware features have not been enabled yet for this board. |
| |
| Programming and Debugging |
| ************************* |
| |
| The onboard flash is not supported by Zephyr at this time. However, it is possible to |
| load the Zephyr binary using U-Boot commands. |
| |
| One of the ways to load Zephyr is shown below. |
| |
| .. code-block:: console |
| |
| tftp 0x48000000 <tftp_server_path/zephyr.bin> |
| booti 0x48000000 |
| |
| Here is an example for the :ref:`hello_world` application. |
| |
| .. zephyr-app-commands:: |
| :zephyr-app: samples/hello_world |
| :board: rcar_spider_s4/r8a779f0/a55 |
| :goals: build |
| |
| References |
| ********** |
| |
| - `Renesas R-Car Development Support website`_ |
| - `eLinux Spider page`_ |
| |
| .. _Renesas R-Car Development Support website: |
| https://www.renesas.com/us/en/support/partners/r-car-consortium/r-car-development-support |
| |
| .. _eLinux Spider page: |
| https://elinux.org/R-Car/Boards/Spider |
