[PATCH v4 1/3] Makefile: Add size check for u-boot-with-spl.bin

[Philip Oberfichtner]

On Tue, Jul 29, 2025 at 08:22:11AM -0600, Tom Rini wrote:
> On Tue, Jul 29, 2025 at 02:27:49PM +0200, Philip Oberfichtner wrote:
> > Hi Tom,
> > 
> > On Mon, Jul 28, 2025 at 04:25:31PM -0600, Tom Rini wrote:
> > > On Tue, Jul 08, 2025 at 12:39:57PM +0200, Philip Oberfichtner wrote:
> > > 
> > > > Like other images, u-boot-with-spl.bin may be subject to size
> > > > restrictions. Extend CONFIG_SPL_SIZE_LIMIT to handle this case.
> > > > 
> > > > Signed-off-by: Philip Oberfichtner <pro at denx.de>
> > > > ---
> > > > 
> > > > Notes:
> > > >     Changes in v4: none
> > > >     
> > > >     Changes in v3:
> > > >     	Reuse existing SPL_SIZE_LIMIT instead of implementing a new option
> > > >     
> > > >     Changes in v2: none
> > > > 
> > > >  Makefile           | 1 +
> > > >  common/spl/Kconfig | 2 +-
> > > >  2 files changed, 2 insertions(+), 1 deletion(-)
> > > 
> > > This is not quite right enough, sorry. This causes a number of boards
> > > (evb-ast2600 ibm-sbp1 stm32746g-eval_spl stm32f746-disco_spl
> > > stm32f769-disco_spl) which have size checks and are fine to now fail
> > > their size checks, presumably because they're checking the "wrong" file
> > > now or similar.
> > 
> > Thanks for pointing that out. To sum it up: If those boards use
> > SPL_SIZE_LIMIT to restrict the size of an SPL-only image, then
> > u-boot-with-spl.bin, of course, can be too large and the build fails.
> > 
> > Plus in our previous discussion, we figured out why using
> > BOARD_SIZE_LIMIT also isn't suitable:
> > https://lore.kernel.org/u-boot/aD2EflR9DRYG-MY5@antares/
> > 
> > So from here I really don't see any better way than introducing yet
> > another CONFIG_*SIZE_LIMIT option.
> > 
> > 
> > But maybe we can however simplify and deduplicate some of the code. What
> > do you think about something like that (I have not yet tested it, just
> > a rough idea so far):
> 
> That sounds like a good idea, so long as it works :) Thanks!
> 

So I've tested it for multiple board/image combinations. Should be fine
now. v5 is on the way.

Best regards,
Philip


> -- 
> Tom



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