On Tue, Jan 14, 2025 at 12:15 PM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote: > > The default image linux.bin does not contain any DTB, but a separate > system.dtb is compiled. > > Michal Simek clearly explained "system.dtb is really old dtb more for > demonstration purpose and nothing else and likely it is not working on > any existing board." [1] > > The system.dts is not necessary even for demonstration purposes. There > is no need to compile out-of-tree *.dts under arch/microblaze/boot/dts/ > unless it is embedded into the kernel. Users can directly use dtc. > > [1]: https://lore.kernel.org/all/d2bdfbfd-3721-407f-991e-566d48392add@xxxxxxx/ > > Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx> > --- > > arch/microblaze/boot/dts/Makefile | 3 +- > arch/microblaze/boot/dts/system.dts | 353 ---------------------------- > 2 files changed, 1 insertion(+), 355 deletions(-) > delete mode 100644 arch/microblaze/boot/dts/system.dts > > diff --git a/arch/microblaze/boot/dts/Makefile b/arch/microblaze/boot/dts/Makefile > index 932dc7550a1b..fa0a6c0854ca 100644 > --- a/arch/microblaze/boot/dts/Makefile > +++ b/arch/microblaze/boot/dts/Makefile > @@ -1,8 +1,6 @@ > # SPDX-License-Identifier: GPL-2.0 > # > > -dtb-y := system.dtb > - > ifneq ($(DTB),) > obj-y += linked_dtb.o > > @@ -11,6 +9,7 @@ $(obj)/linked_dtb.o: $(obj)/system.dtb > > # Generate system.dtb from $(DTB).dtb > ifneq ($(DTB),system) Can't this be dropped as setting DTB=system.dtb should work if there's not an in-tree system.dts anymore. > +targets += system.dtb > $(obj)/system.dtb: $(obj)/$(DTB).dtb FORCE > $(call if_changed,copy) > endif
