rcar-gen3: README: Update release information

This commit updates information for Community Yocto BSP v3.21.0 on Yocto
Project 2.8 (Zeus).

Signed-off-by: Khang Nguyen <khang.nguyen.xw@renesas.com>
Signed-off-by: Takamitsu Honda <takamitsu.honda.pv@renesas.com>
Change-Id: I47a17c40a89cca82c8356e82a9f4a3f7f88323b3

1 files changed, 121 insertions, 0 deletions

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+# R-Car Gen3 Evaluation Software Package for Linux
+
+
+The meta-rcar-gen3 layer of meta-renesas supports the Click-through licensed
+Linux Drivers and Gfx/MMP packages.
+
+This README describes how to use these features and setting local.conf.
+
+```bash
+    I/   Build configuration
+    II/  Obtain and Install Renesas Graphics Drivers
+```
+
+**NOTE:**
+
+* However, to have a completed local.conf, please also refer to Build
+Instruction in [meta-renesas/meta-rcar-gen3/README.md](README.md).
+
+* In addition, these libraries are not provided with recipes. If you would like
+to use, you will need to get them from Renesas.
+
+## I/ Build configuration
+
+
+* Add the target board to local.conf
+
+    * For Salvator-X board
+
+    ```bash
+       MACHINE = "salvator-x"
+    ```
+
+    * For R-Car Starter Kit Premier(H3ULCB) board
+
+    ```bash
+       MACHINE = "h3ulcb"
+    ```
+
+    * For R-Car Starter Kit Pro(M3ULCB) board
+
+    ```bash
+       MACHINE = "m3ulcb"
+    ```
+
+    * For R-Car Starter Kit Pro(M3NULCB) board
+
+    ```bash
+       MACHINE = "m3nulcb"
+    ```
+
+    * For Ebisu board
+
+    ```bash
+       MACHINE = "ebisu"
+    ```
+
+* Set SOC family name
+
+    * For H3: r8a7795
+
+    ```bash
+       SOC_FAMILY = "r8a7795"
+    ```
+
+    * For M3: r8a7796
+
+    ```bash
+       SOC_FAMILY = "r8a7796"
+    ```
+
+    * For M3N: r8a77965
+
+    ```bash
+       SOC_FAMILY = "r8a77965"
+    ```
+
+    * For E3: r8a77990
+
+    ```bash
+        # Already added in machine config: ebisu.conf
+        SOC_FAMILY = "r8a77990"
+    ```
+
+* When using the click-through version of the gfx/mmp packages, you need to add
+the following to your local.conf
+
+```bash
+   DISTRO_FEATURES_append = " use_eva_pkg"
+```
+
+## II/ Obtain and Install Renesas Graphics Drivers
+
+
+Before setting up the build environment, you need to download the proprietary
+drivers.
+
+* Download Renesas graphic drivers with a "click through" license from
+[Renesas website][rcar Linux Drivers] and unzip them into a folder.
+
+**NOTE:**
+
+* You have to register with a free account on MyRenesas and accept the license
+conditions before downloading the drivers.
+The operation is fast and simple nevertheless mandatory to access evaluation of
+non open-source drivers for free.
+Once you registered, you can download two zip files.
+
+```bash
+$ cd <folder containing the two zip files>
+$ unzip -o R-Car_Gen3_Series_Evaluation_Software_Package_for_Linux-*.zip
+$ unzip -o R-Car_Gen3_Series_Evaluation_Software_Package_of_Linux_Drivers-*.zip
+```
+
+To install them into the correct place in the Yocto BSP, a copy script is used.
+
+```bash
+$ cd ./meta-renesas
+$ sh meta-rcar-gen3/docs/sample/copyscript/copy_evaproprietary_softwares.sh <path to the folder containing the packages>
+```
+
+[rcar Linux Drivers]: https://www.renesas.com/us/en/solutions/automotive/rcar-download/rcar-demoboard-2.html