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Several i.MX8 (e.g.: 8M, 8MM, 8MN) support many DDR types (LPDDR4, DDR4, etc.), for which the DDR training is performed in the bootloader. Some boards have LPDDR4 (e.g.: nitrogen8mn) and some others have the DDR4 (e.g.: NXP's reference board EVK). This patch allows the selection of either of the binaries used to train the DDR. Note that DDR and HDMI FW copies are now separated, which makes latter being properly copied only for the relevant SoC (i.MX8MQ). Suggested-by: Gary Bisson <gary.bisson@boundarydevices.com> Signed-off-by: Stephane Viau <stephane.viau@oss.nxp.com> Reviewed-by: Maeva Manuel <maeva.manuel@oss.nxp.com> Reviewed-by: Julien Olivain <julien.olivain@oss.nxp.com> Reviewed-by: Gary Bisson <gary.bisson@boundarydevices.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