On 02/04/18 12:20, Mark Kettenis wrote: ....
>> This feature make U-Boot to have full Linux dts inside, Can't we >> implement automatic-boot-of-os distro to grab Linux dtb during >> commands stage like other distro does? Because this make few >> development struggles for U-Boot project like (few of the comments are >> repeated from previous mail, but I'm trying to group them all) >> - Unnecessary to maintain nodes which are not required for bootloader >> and which doesn't have proper dt drivers. >> - It becomes more patches for each-and-every sync. >> - We can compare the sync with Linux dt and simply apply on U-Boot >> which look not good to project growing. >> - Increase size(though it 10KB increase) it becomes unnecessary size >> from U-Boot point-of-view > > This is not just about booting Linux. And even if it was, it means > that you can only boot on hardware for which a full device tree is > included in your distro. So a new board that comes with a usable > U-Boot in SPI flash still won't work since the right device tree isn't > there. Ah right, I didn't even mention SPI flash in that thread. Thanks! Out of curiosity: what OS are you thinking about? Collecting trophies here ;-) I tried the FreeBSD-current installer the other day, and it worked pretty well. > So I Agree with Andre, U-Boot should provide the full device tree if > possible. That doesn't mean it shouldn't try to load a device tree > from the boot media if there is one. That way users can easily > update/tweak their device tree without re-flashing the complete > firmware. Yes, users should still be able to provide their own DT, if needed. Actually that's what I often do for Linux development myself. Thanks! Andre. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
