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boards: arm64: add support of Renesas Spider board
Add support of 'rcar_spider' board: minimal dts and configuration. Signed-off-by: Mykola Kvach <[email protected]>
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‎boards/arm64/rcar_spider/Kconfig.board‎

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# Copyright (c) 2023 EPAM Systems
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_RCAR_SPIDER
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bool "Renesas Spider"
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depends on SOC_R8A779F

‎boards/arm64/rcar_spider/Kconfig.defconfig‎

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# Copyright (c) 2023 EPAM Systems
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# SPDX-License-Identifier: Apache-2.0
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if BOARD_RCAR_SPIDER
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config BOARD
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default "rcar_spider"
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config BUILD_OUTPUT_BIN
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default y
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endif # BOARD_RCAR_SPIDER

‎boards/arm64/rcar_spider/doc/index.rst‎

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.. _rcar_spider:
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R-CAR Spider (ARMv8)
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#####################################
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Note: currently, the board can be used only as a Xen Initial Domain, i.e. Dom0,
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because there isn't support of UART driver. So, it can be built only with ``xen_dom0``
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shield.
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Overview
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********
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The R-Car Spider (S4) is an SOC that features the basic functions for
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next-generation car Gateway systems.
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Hardware
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********
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The R-Car S4 includes:
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* eight 1.2GHz Arm Cortex-A55 cores, 2 cores x 4 clusters;
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* 1.0 GHz Arm Cortex-R52 core (hardware Lock step is supported);
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* two 400MHz G4MH cores (hardware Lock step is supported);
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* memory controller for LPDDR4X-3200 with 32bit bus (16bit x 1ch + 16bit x 1ch) with ECC;
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* SD card host interface / eMMC;
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* UFS 3.0 x 1 channel;
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* PCI Express Gen4.0 interface (Dual lane x 2ch);
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* ICUMX;
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* ICUMH;
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* SHIP-S x 3 channels;
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* AES Accerator x 8 channels;
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* CAN FD interface x 16 channels;
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* R-Switch2 (Ether);
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* 100base EtherAVB x 1 channel;
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* Gbit-EtherTSN x 3 channels;
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* 1 unit FlexRay (A,B 2ch) interface.
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Supported Features
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==================
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The Renesas rcar_spider board configuration supports the following
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hardware features:
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+-----------+------------------------------+--------------------------------+
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| Interface | Driver/components | Support level |
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+===========+==============================+================================+
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| PINCTRL | pinctrl | |
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+-----------+------------------------------+--------------------------------+
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| CLOCK | clock_control | |
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+-----------+------------------------------+--------------------------------+
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| MMC | renesas_rcar_mmc | |
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+-----------+------------------------------+--------------------------------+
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Other hardware features have not been enabled yet for this board.
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The default configuration can be found in the defconfig file:
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``boards/arm64/rcar_spider/rcar_spider_defconfig``
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Programming and Debugging
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*************************
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Correct shield designation for Xen must be entered when you invoke ``west build``.
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For example:
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.. zephyr-app-commands::
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:zephyr-app: samples/synchronization
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:board: rcar_spider
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:shield: xen_dom0
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:goals: build
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For more details, look at documentation of ``xen_dom0`` shield.
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References
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**********
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- `Renesas R-Car Development Support website`_
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- `eLinux Spider page`_
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.. _Renesas R-Car Development Support website:
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https://www.renesas.com/us/en/support/partners/r-car-consortium/r-car-development-support
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.. _eLinux Spider page:
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https://elinux.org/R-Car/Boards/Spider

‎boards/arm64/rcar_spider/rcar_spider.dts‎

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/*
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* Copyright (c) 2023 EPAM Systems
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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*/
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/dts-v1/;
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#include <mem.h>
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#include <arm64/renesas/r8a779f.dtsi>
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#include "spider-pinctrl.dtsi"
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/ {
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model = "Spider (S4)";
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chosen {
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zephyr,sram = &ram;
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};
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/* These aliases are provided for compatibility with samples */
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aliases {
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sdhc0 = &mmc0;
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};
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ram: memory@48000000 {
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device_type = "mmio-sram";
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reg = <0x0 0x48000000 0x0 DT_SIZE_M(512)>;
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};
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};
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&mmc0 {
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pinctrl-0 = <&mmc_clk &mmc_cmd &mmc_ds
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&mmc_data0 &mmc_data1 &mmc_data2 &mmc_data3
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&mmc_data4 &mmc_data5 &mmc_data6 &mmc_data7>;
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pinctrl-1 = <&mmc_clk &mmc_cmd &mmc_ds
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&mmc_data0 &mmc_data1 &mmc_data2 &mmc_data3
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&mmc_data4 &mmc_data5 &mmc_data6 &mmc_data7>;
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pinctrl-names = "default", "uhs";
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disk {
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compatible = "zephyr,mmc-disk";
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status = "disabled";
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};
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bus-width = <8>;
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mmc-hs200-1_8v;
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mmc-hs400-1_8v;
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non-removable;
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};

‎boards/arm64/rcar_spider/rcar_spider.yaml‎

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identifier: rcar_spider
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name: Renesas Spider based on r8a779f (S4)
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type: mcu
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arch: arm64
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toolchain:
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- zephyr
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- cross-compile
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ram: 512
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supported:
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- clock_control
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- uart
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testing:
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default: true
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ignore_tags:
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- net
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- bluetooth
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- isotp

‎boards/arm64/rcar_spider/rcar_spider_defconfig‎

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CONFIG_SOC_R8A779F=y
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CONFIG_SOC_SERIES_RCAR_GEN4=y
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CONFIG_BOARD_RCAR_SPIDER=y
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# Cache management
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CONFIG_CACHE_MANAGEMENT=y
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# Enable UART driver
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CONFIG_SERIAL=y
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CONFIG_AARCH64_IMAGE_HEADER=y
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CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=16666000
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CONFIG_XIP=n
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CONFIG_MAX_XLAT_TABLES=24
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# Enable console
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CONFIG_CONSOLE=y
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CONFIG_UART_CONSOLE=y
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# Enable clock control
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CONFIG_CLOCK_CONTROL=y

‎boards/arm64/rcar_spider/spider-pinctrl.dtsi‎

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/*
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* Copyright (c) 2023 EPAM Systems
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/dt-bindings/pinctrl/renesas/pinctrl-r8a779f.h>
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&pfc {
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mmc_clk: mmc_clk {
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pin = <PIN_MMC_SD_CLK>;
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};
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mmc_cmd: mmc_cmd {
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pin = <PIN_MMC_SD_CMD>;
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};
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mmc_data0: mmc_data0 {
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pin = <PIN_MMC_SD_D0>;
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};
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mmc_data1: mmc_data1 {
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pin = <PIN_MMC_SD_D1>;
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};
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mmc_data2: mmc_data2 {
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pin = <PIN_MMC_SD_D2>;
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};
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mmc_data3: mmc_data3 {
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pin = <PIN_MMC_SD_D3>;
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};
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mmc_data4: mmc_data4 {
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pin = <PIN_MMC_D4>;
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};
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mmc_data5: mmc_data5 {
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pin = <PIN_MMC_D5>;
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};
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mmc_data6: mmc_data6 {
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pin = <PIN_MMC_D6>;
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};
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mmc_data7: mmc_data7 {
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pin = <PIN_MMC_D7>;
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};
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mmc_ds: mmc_ds {
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pin = <PIN_MMC_DS>;
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};
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};

‎tests/drivers/fuel_gauge/sbs_gauge/testcase.yaml‎

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- xenvm_gicv3
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- rcar_h3ulcb_ca57
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- rcar_salvator_xs_m3
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- rcar_spider
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integration_platforms:
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- qemu_x86
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drivers.sbs_gauge_new_api.emulated_64_bit_i2c_addr:

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