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# meta-rcar-gen3
This layer provides that evaluation board is mounted ARM SoCs of Renesas
Electronics, called the R-Car Generation 3. Currently, this supports
board and the SoCs of the following:
- Board: Salvator-X / SoC: R8A7795 (R-Car H3), R8A7796 (R-Car M3), R8A77965 (R-Car M3N)
- Board: R-Car Starter Kit premier(H3ULCB) / SoC: R8A7795 (R-Car H3)
- Board: R-Car Starter Kit pro(M3ULCB) / SoC: R8A7796 (R-Car M3)
- Board: Ebisu / SoC: R8A77990 (R-Car E3)
## Patches
Please submit any patches for this layer to: takamitsu.honda.pv@renesas.com
Please see the MAINTAINERS file for more details.
## Dependencies
This layer depends on:
URI: git://git.yoctoproject.org/poky
layers: meta, meta-yocto, meta-yocto-bsp
branch: rocko
URI: git://git.linaro.org/openembedded/meta-linaro.git
layers: meta-optee
branch: rocko
URI: git://git.openembedded.org/meta-openembedded
layers: meta-oe
branch: rocko
## Build Instructions
The following instructions require a Poky installation (or equivalent).
This also needs git user name and email defined:
```bash
$ git config --global user.email "you@example.com"
$ git config --global user.name "Your Name"
```
Initialize a build using the 'oe-init-build-env' script in Poky. e.g.:
```bash
$ source poky/oe-init-build-env
```
After that, initialized configure bblayers.conf by adding meta-rcar-gen3 layer. e.g.:
```bash
BBLAYERS ?= " \
<path to layer>/poky/meta \
<path to layer>/poky/meta-yocto \
<path to layer>/poky/meta-yocto-bsp \
<path to layer>/meta-renesas/meta-rcar-gen3 \
<path to layer>/meta-linaro/meta-optee \
<path to layer>/meta-openembedded/meta-oe \
"
```
To build a specific target BSP, configure the associated machine in local.conf:
```bash
MACHINE ??= "<supported board name>"
```
Select the SOC
```bash
For H3: r8a7795
SOC_FAMILY = "r8a7795"
For M3: r8a7796
SOC_FAMILY = "r8a7796"
For M3N: r8a77965
SOC_FAMILY = "r8a77965"
For E3: r8a77990
SOC_FAMILY = "r8a77990"
Already added in machine config: ebisu.conf
```
Configure for systemd init in local.conf:
```bash
DISTRO_FEATURES_append = " systemd"
VIRTUAL-RUNTIME_init_manager = "systemd"
```
Configure for ivi-shell and ivi-extension
```bash
DISTRO_FEATURES_append = " ivi-shell"
```
Configure for USB 3.0
```bash
MACHINE_FEATURES_append = " usb3"
```
Enable tuning support for Capacity Aware migration Strategy (CAS)
```bash
MACHINE_FEATURES_append = " cas"
```
Build the target file system image using bitbake:
```bash
$ bitbake core-image-minimal
```
After completing the images for the target machine will be available in the output
directory _'tmp/deploy/images/<supported board name>'_.
Images generated:
* Image (generic Linux Kernel binary image file)
* Image-<machine name>.dtb (DTB for target machine)
* core-image-minimal-<machine name>.tar.bz2 (rootfs tar+bzip2)
* core-image-minimal-<machine name>.ext4 (rootfs ext4 format)
## Build Instructions for SDK
This may be changed in the near feature. These instructions are tentative.
Should define the staticdev in SDK image feature for installing the static libs
to SDK in local.conf.
```bash
SDKIMAGE_FEATURES_append = " staticdev-pkgs"
```
Use bitbake -c populate_sdk for generating the toolchain SDK:
For 64-bit target SDK (aarch64):
```bash
$ bitbake core-image-minimal -c populate_sdk
```
The SDK can be found in the output directory _'tmp/deploy/sdk'_
poky-glibc-x86_64-core-image-minimal-aarch64-toolchain-x.x.sh
Usage of toolchain SDK: Install the SDK to the default: _/opt/poky/x.x_
For 64-bit target SDK:
```bash
$ sh poky-glibc-x86_64-core-image-minimal-aarch64-toolchain-x.x.sh
```
For 64-bit application use environment script in _/opt/poky/x.x_
```bash
$ source /opt/poky/x.x/environment-setup-aarch64-poky-linux
```
## ULCB Information
Refer to the following for more information of ULCB:
http://elinux.org/R-Car
## The information on building and running Yocto on R-Car Generation 3
Refer to the following for more information:
https://elinux.org/R-Car/Boards/Yocto-Gen3
|
