On Fri, Apr 25, 2025 at 10:52:17AM -0300, Fabio Estevam wrote: > From: Marek Vasut <ma...@denx.de> > > Currently the U-Boot SPL build uses the same DTBs that were generated > during U-Boot proper build, and calls 'fdtgrep' on those DTBs to filter > out uninteresting nodes and properties. Those U-Boot proper DTBs are > built from DTS which are first preprocessed by CPP, but that CPP is > invoked in U-Boot proper build context and effectively ignores the > CONFIG_SPL_BUILD macro. In case the CONFIG_SPL_BUILD macro is used > in any .dts file, the content of the macro is removed by CPP. > > Fix this by building a separate set of DTBs for the SPL, which are > preprocessed by CPP with -DCONFIG_SPL_BUILD set. Use the same way > for the other PLs. > > Signed-off-by: Marek Vasut <ma...@denx.de> > Signed-off-by: Fabio Estevam <feste...@denx.de> > --- > dts/Makefile | 5 ++++- > scripts/Makefile.lib | 11 +++++++++++ > scripts/Makefile.xpl | 7 ++++++- > 3 files changed, 21 insertions(+), 2 deletions(-)
There's already a thread here: https://lore.kernel.org/u-boot/20250305183544.40525-1...@os-cillation.de/ saying that we shouldn't be doing what this patch adds. -- Tom
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