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The NXP BSPs have custom support for a 25G Ethernet retimer (drivers/net/phy/in112525.c in U-Boot) for the LX2160A-RDB board. That driver requires a text file to be located at a given offset in the same storage device as U-Boot itself. The text file contains a list of register addresses and values which are programmed into the retimer. All in all, a pretty convoluted mechanism, but the driver is non-upstreamable, and to support the board we need this "firmware" file deployed. Signed-off-by: Vladimir Oltean <olteanv@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.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 OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches