Hi, On Mon, Feb 15, 2016 at 08:50:48PM +0100, Heinrich Schuchardt wrote: > On 02/15/2016 08:40 PM, Aaro Koskinen wrote: > > On Mon, Feb 15, 2016 at 08:21:33PM +0100, Heinrich Schuchardt wrote: > >> flash-kernel has a database /usr/share/flash-kernel/db/all.db with > >> entries like: > >> > >> Machine: LeMaker Banana Pi > >> Kernel-Flavors: armmp armmp-lpae > >> Boot-Script-Path: /boot/boot.scr > >> DTB-Id: sun7i-a20-bananapi.dtb > >> U-Boot-Script-Name: bootscr.sunxi > >> Required-Packages: u-boot-tools > >> > >> Machine refers to the value of /proc/device-tree/model. > >> DTB-Id is the dtb to be installed. > >> > >> So what flash-kernel does is: > >> - look up value of /proc/device-tree/model > >> - retrieve correlated dtb file name from database > >> - install dtb with this name > >> - create symbolic links for the dtb > >> > >> If multiple boards use the the same dtb that is fine with flash-kernel > >> as long as the value of model is unique per dtb. > > > > OCTEON does not work like this. The file you are modifying > > (octeon_3xxx.dts) is compiled into the kernel, and there is no external > > DTB file. So the model string will be always the same regardless on > > which board you have booted the kernel. > > you are right DTBs are built in for MIPS systems. > > Still it would be useful to be able to use the same property 'model' to > determine which u-boot script (boot.scr) to install. But that cannot be solved by adding a static model string to octeon_3xxx.dts, because different OCTEON boards need different u-boot commands (some boot from flash, some from mmc, some from USB, etc.). A. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
