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Currently, our arm-trusted-firmware unconditionally builds a FIP (Firmware Image Package). While this is often needed on platforms where ATF encapsulates U-Boot, it is not the case on some other platforms where it's U-Boot that encapsulates parts of ATF. In order to prepare the support for the later platforms, we make building the FIP image optional, and update the only defconfig we have that uses ARM Trusted Firmware. Note: we considered adding a "default y" here to preserve backward compatibility, but there really isn't any default that is sane: whether a FIP image needs to be built or not is purely platform specific. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Reviewed-by: Sergey Matyukevich <geomatsi@gmail.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.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