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i.MX Yocto Project i.MX BSP Layer
License: Other
This project forked from nxp-imx/meta-imx
i.MX Yocto Project i.MX BSP Layer
License: Other
i.MX Linux Yocto Project BSP 6.6.3_1.0.0 Release ===================================================== Note this is release is not a production release. Please see the release notes for the quality statement for each board. The following boards were tested in this release. * NXP i.MX 95 LPDDR5 EVK (imx95-19x19-lpddr5-evk) * NXP i.MX 93 EVK (imx93evk) * NXP i.MX 8MQuad EVK (imx8mqevk) * NXP i.MX 8MMini EVK (imx8mmevk) * NXP i.MX 8MNano EVK (imx8mnevk) * NXP i.MX 8MPlus EVK (imx8mpevk) * NXP i.MX 8QuadMax MEK (imx8qmmek) * NXP i.MX 8QuadXPlus MEK (imx8qxpc0mek) * NXP i.MX 8DXL EVK (imx8dxlevk) * NXP i.MX 8ULP EVK (imx8ulpevk) * NXP i.MX 7ULP EVK (imx7ulpevk) * NXP i.MX 7Dual SABRE Smart Device (imx7dsabresd) * NXP i.MX 6QuadPlus SABRE Device (imx6qpsabresd) * NXP i.MX 6Quad SABRE Smart Device (imx6qsabresd) * NXP i.MX 6DualLite SABRE Smart Device (imx6dlsabresd) * NXP i.MX 6SOLO SABRE Smart Device (imx6solosabresd ) * NXP i.MX 6SoloX SABRE Smart Device (imx6sxsabresd) * NXP i.MX 6UltraLite EVK (imx6ulevk) * NXP i.MX 6ULL EVK (imx6ull14x14evk) * NXP i.MX 6ULZ EVK (imx6ulz14x14evk) Quick Start Guide ----------------- See the i.MX Yocto Project User's Guide for instructions on installing repo. First install the i.MX Linux BSP repo $: repo init -u https://github.com/nxp-imx/imx-manifest.git -b imx-linux-nanbield -m imx-6.6.3-1.0.0.xml Download the Yocto Project Layers: $: repo sync If errors on repo init, remove the .repo directory and try repo init again. Run i.MX Linux Yocto Project Setup: $: [MACHINE=<machine>] [DISTRO=fsl-imx-<backend>] source ./imx-setup-release.sh -b <build folder> where <machine> defaults to imx6qsabresd <build folder> specifies the build folder name After this your system will be configured to start a Yocto Project build. Build images --------------------- Each graphical backend X11, Frame buffer and Wayland must be in a separate build directory, so the setup script above must be run for each backend to configure the build correctly. In this release two image recipes are provided that work on almost all backends. DISTROs are new and the way to configure for any backends. Use DISTRO= instead of the -e on the setup script. The -e parameter gets converted to the appropriate distro configuration. Note: DirectFB is no longer supported in i.MX graphic builds. The X11 and Framebuffer distros are only supported for i.MX 6 and i.MX 7. i.MX 8 should use xwayland only. XWayland is the default distro for all i.MX families. imx-image-multimedia: This image contains all the packages except QT6/OpenCV/Machine Learning packages. imx-image-full: This is the big image which includes imx-image-multimedia + OpenCV + QT6 + Machine Learning packages. Here are some examples: (The example uses the imx6qsabresd MACHINE but substitute this with whatever you are using) Building Frame Buffer (FB) --------------------------- DISTRO=fsl-imx-fb MACHINE=imx6qsabresd source imx-setup-release.sh -b build-fb bitbake <image> To run the QT6 examples use the following parameters: <QT6 Example> -platform eglfs -plugin evdevtouch:/dev/input/event0 Building XWayland --------------------------- DISTRO=fsl-imx-xwayland MACHINE=imx6qsabresd source imx-setup-release.sh -b build-xwayland bitbake <image> To run the QT6 examples use the following parameters: <QT6 example> platform wayland-egl -plugin evdevtouch:/dev/input/event0 --fullscreen Building Wayland-Weston (wayland) --------------------------- DISTRO=fsl-imx-wayland MACHINE=imx6qsabresd source imx-setup-release.sh -b build-wayland bitbake <image> To run the QT6 examples use the following parameters: <QT6 example> platform wayland-egl -plugin evdevtouch:/dev/input/event0 --fullscreen Building with Multilib support --------------------------- Yocto Project is able to build libraries for different target optimizations, combing those in one system image, allowing the user to run both 32-bit and 64-bit applications. Here is an example to add multilib support (lib32). In local.conf - Define multilib targets require conf/multilib.conf MULTILIBS = "multilib:lib32" DEFAULTTUNE:virtclass-multilib-lib32 = "armv7athf-neon" - 32-bit libraries to be added into the image IMAGE_INSTALL:append = " lib32-glibc lib32-libgcc lib32-libstdc++" Hardware Floating Point ----------------------- This release enables hardware floating point by default. This feature is enabled in both the machine configurations and in the layer.conf. (Some machine files exist in the community meta-fsl-arm without this setting.) DEFAULTTUNE:mx6-nxp-bsp = "cortexa9hf-neon Software floating point is not supported starting with the 4.1.15_1.0.0_ga release Restricted Codecs ----------------- These codecs have contractual restrictions that require separate distribution. The Manufacturing Tool - MFGTool -------------------------------- In this release MFGTool uses the community setup. To build MFGTool, build the following: bitbake fsl-image-mfgtool-initramfs End User License Agreement -------------------------- During the NXP Yocto Project Community BSP setup-environment process, the NXP i.MX End User License Agreement (EULA) is displayed. To continue, users must agree to the conditions of this license. The agreement to the terms allows the Yocto build to untar packages from the NXP mirror. Please read this license agreement carefully during the setup process because, once accepted, all further work in the Yocto environment is tied to this accepted agreement. Chromium -------- Add Chromium to your Wayland or X11-based image by adding the following lines to local.conf: IMAGE_INSTALL:append = \ "${@bb.utils.contains('DISTRO_FEATURES', 'wayland', ' chromium-ozone-wayland', \ bb.utils.contains('DISTRO_FEATURES', 'x11', ' chromium-x11', \ '', d), d)}" Build server host requirements for chromium 74 version: - Host gcc version should be gcc 7. Ubuntu 18.04 has a default gcc 7 version. - Increase ulimit (number of open file descriptors) to 4098 Chromium will have compilation errors, if any of the above host requirements are not met. QtWebEngine ----------- QtWebEngine is not built by default, so add this to local.conf or image recipe. It is supported only on the machines that have GPU. IMAGE_INSTALL:append = "packagegroup-qt6-webengine" QtWebEngine is not compatible with the meta-chromium layer used by the release. If you are using the NXP build setup, please be sure to remove meta-chromium from bblayers.conf: # Commented out due to incompatibility with qtwebengine #BBLAYERS += "${BSPDIR}/sources/meta-browser/meta-chromium" There are many browsers available using QtWebEngine and can be found here: /usr/share/examples/webengine /usr/share/examples/webenginewidgets Qt -- Note that Qt has both a commercial and open source license options. Make the decision about which license to use before starting work on custom Qt applications. Once custom Qt applications are started with an open source Qt license the work cannot be used with a commercial Qt license. Work with a legal representative to understand the differences between each license. Note Qt is not supported on i.MX 6UltraLite and i.MX 7Dual. It works on X11 backend only but is not a supported feature. Qt with kms -- Some customers wants to use QT without wayland/weston and the alternative for that is to use through kms plugin. This configuration is supported only on mx8 machines. By default, wayland plugin is enabled.We can switch to kms plugin by following these steps. - killall weston - export QT_QPA_EGLFS_ALWAYS_SET_MODE=1 - Run any qt application using -platform eglfs Example: ./Qt6_CinematicExperience -platform eglfs Systemd ------- Systemd support is enabled as default but it can be disabled by commenting out the systemd settings in meta-imx-sdk/conf/distro/include/fsl-imx-preferred-env.inc.
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