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Before now, U-Boot SPL could only load the Platform Management Unit (PMU) by patching the board-specific pm_cfg_obj.c file into the generic PMU firmware, but that then requires generating a new PMU firmware for every board configuration. To fix that, Luca Ceresoli added support to U-Boot to load the pm_cfg_obj[1]. Like the PMU firmware, we need a way to pass the PMU cfg to U-Boot during build. U-Boot only accepts the binary format of the cfg, so we must convert the source file with the tool provided with U-Boot. [1] https://lucaceresoli.net/zynqmp-uboot-spl-pmufw-cfg-load/ Signed-off-by: Brandon Maier <brandon.maier@rockwellcollins.com> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
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 Freenode IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches