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On older SoCFPGA SoCs, there was not enough SRAM to fit the entire U-Boot, so a SPL model was used. The SPL was therefore the binary that had to be "prepared" to be loaded by the ROM code using the mkpimage tool. With newer SoCFPGA SoCs, there is enough SRAM to fit the entire U-Boot, and therefore the ROM code directly loads U-Boot. In this case, it's the real U-Boot image (not the SPL) that needs to be prepared using mkpimage. This code adds support for the newer SoCFPGA SoCs, by adjusting the mkpimage related logic to apply on the SPL if an SPL is enabled, or on the full U-Boot image otherwise. Signed-off-by: Lionel Flandrin <lionel@svkt.org> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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