[PATCH 13/14] Update u-boot.cfg to include CFG also

[Simon Glass]

Hi Tom,

On Mon, 24 Jun 2024 at 19:29, Tom Rini <trini at konsulko.com> wrote:
>
> On Sun, Jun 23, 2024 at 02:30:32PM -0600, Simon Glass wrote:
>
> > Some configuration is now in variables with a CFG_ prefix. Add these to
> > the .cfg file so that we can see everything in one place. Sort the
> > options so they are easier to find and compare.
> >
> > Signed-off-by: Simon Glass <sjg at chromium.org>
> > ---
> >
> > Changes in v2:
> > - Add new patch to update u-boot.cfg with CFG_... options
> >
> >  scripts/Makefile.autoconf | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/scripts/Makefile.autoconf b/scripts/Makefile.autoconf
> > index b42f9b525fe..65ff11ea508 100644
> > --- a/scripts/Makefile.autoconf
> > +++ b/scripts/Makefile.autoconf
> > @@ -71,7 +71,7 @@ quiet_cmd_autoconf = GEN     $@
> >  quiet_cmd_u_boot_cfg = CFG     $@
> >        cmd_u_boot_cfg = \
> >       $(CPP) $(c_flags) $2 -DDO_DEPS_ONLY -dM include/config.h > $@.tmp && { \
> > -             grep 'define CONFIG_' $@.tmp | \
> > +             egrep 'define (CONFIG_|CFG_)' $@.tmp | sort | \
> >                       sed '/define CONFIG_IS_ENABLED(/d;/define CONFIG_IF_ENABLED_INT(/d;/define CONFIG_VAL(/d;' > $@; \
> >               rm $@.tmp;                                              \
> >       } || {                                                          \
>
> I don't like this because whereas "CONFIG_" is enforced to be set only
> by Kconfig and so always all reliably set and found via a single header,
> CFG_ stuff is not.

OK, so how are CFG_ options found? I hit this when trying to find the
SDRAM size on rockchip 3399 and I could not find any way of figuring
it out.

Regards,
Simon