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Recent version of U-Boot use binman to provide a mechanism for building images, from simple SPL + U-Boot combinations, to more complex arrangements with many parts. This tool uses additional host python modules that must be provided by Buildroot. So introduce a new option BR2_TARGET_TI_K3_R5_LOADER_USE_BINMAN to add additional host packages in U-Boot build dependency to use binman. When BR2_TARGET_TI_K3_R5_LOADER_USE_BINMAN is set, BINMAN_INDIRS environment variable to provide the directory to search for binary blobs and select the packages required by binman. Make sure that ti-k3-boot-firmware package has been installed before building ti-k3-r5-loader in order to provide such firmwares. The BR2_TARGET_TI_K3_R5_LOADER_USE_BINMAN option is currently needed since we are in the middle of the process to switch TI AM62 and AM64 board defconfig to binman. Keep BR2_TARGET_TI_K3_R5_LOADER_USE_BINMAN disabled for them until the u-boot/ti-k3-r5-loader version bump to 2024.01. The dependency of binman is not really easy to follow. First we have the packages list from binman.rst [1] then we have to install additional python modules [2]. Maybe in the future it will be necessary to add host-lzma and host-lz4 in the dependencies list. [1] https://source.denx.de/u-boot/u-boot/-/blob/v2024.01/tools/binman/binman.rst?plain=1#L377 [2] https://source.denx.de/u-boot/u-boot/-/blob/v2024.01/tools/buildman/requirements.txt Co-developed-by: Michael Trimarchi <michael@amarulasolutions.com> Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com> Co-developed-by: Romain Naour <romain.naour@smile.fr> Signed-off-by: Romain Naour <romain.naour@smile.fr> Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> Signed-off-by: Romain Naour <romain.naour@smile.fr> Signed-off-by: Arnout Vandecappelle <arnout@mind.be>
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at http://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches