[PATHv11 33/43] configs/am335x_evm_defconfig: inc SPL size

[Tom Rini]

On Mon, Nov 27, 2023 at 08:06:23PM +0600, Maxim Uvarov wrote:
> On Mon, 27 Nov 2023 at 19:08, Tom Rini <trini at konsulko.com> wrote:
> 
> > On Mon, Nov 27, 2023 at 06:57:16PM +0600, Maxim Uvarov wrote:
> >
> > > Increase allowed binary size to fit lwip code.
> > >
> > > Signed-off-by: Maxim Uvarov <maxim.uvarov at linaro.org>
> > > ---
> > >  configs/am335x_evm_defconfig | 1 +
> > >  1 file changed, 1 insertion(+)
> > >
> > > diff --git a/configs/am335x_evm_defconfig b/configs/am335x_evm_defconfig
> > > index f048e60f7f..9fd608bd76 100644
> > > --- a/configs/am335x_evm_defconfig
> > > +++ b/configs/am335x_evm_defconfig
> > > @@ -124,3 +124,4 @@ CONFIG_WDT=y
> > >  CONFIG_DYNAMIC_CRC_TABLE=y
> > >  CONFIG_RSA=y
> > >  CONFIG_LZO=y
> > > +CONFIG_SPL_MAX_SIZE=0x29000
> >
> > As probably a problem for other platforms you made this change on too,
> > you can't do this. The link limit is here because that's the limit the
> > hardware (and ROM) imposes.
> >
> > You might need to either:
> > - Figure out how to make lwip even tinier for the SPL case
> > - Limit the old network stack to just for SPL, and a later task is to
> >   reduce what's in the old stack to just what's also needed within SPL.
> >
> >
> Thanks Tom. All these size changes need to be reviewed.  Some of them are
> ok, I think like for x86 or qemu virt, but some of them might not work.
> 
> Question - Do we need networking inside SPL rather than in the main binary?
> Is it a real use case?

Yes, the device supports loading SPL, and then SPL loading U-Boot both
over USB RNDIS as well as regular physical ethernet.

-- 
Tom
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