[Binman] Question regarding SPL symbol offsets generation

[Lukasz Majewski]

Hi Simon,

> Hi Lukasz,
> 
> On Thu, 5 Sept 2024 at 07:54, Lukasz Majewski <lukma at denx.de> wrote:
> >
> > Hi Adam,
> >  
> > > On Wed, Aug 28, 2024 at 3:04 AM Lukasz Majewski <lukma at denx.de>
> > > wrote:  
> > > >
> > > > Hi Simon,
> > > >  
> > > > > Hi,
> > > > >
> > > > > On Tue, 27 Aug 2024 at 12:47, Fabio Estevam
> > > > > <festevam at gmail.com> wrote:  
> > > > > >
> > > > > > Hi Lukasz,
> > > > > >
> > > > > > On Thu, Aug 15, 2024 at 5:14 PM Lukasz Majewski
> > > > > > <lukma at denx.de> wrote:  
> > > > > > > Unfortunately not - this change is only for properly
> > > > > > > setting start address of the u-boot.
> > > > > > >
> > > > > > > The _real_ problem here is the symbol placement generated
> > > > > > > by binman when we try to define the image as a single one.
> > > > > > >
> > > > > > > Moreover, this change follows other boards with imx8mm
> > > > > > > processor - ./configs/imx8mm_beacon_fspi_defconfig to be
> > > > > > > specific.
> > > > > > >
> > > > > > > The "fix" (for which I'd been now probably opt) for this
> > > > > > > issue would be to generate two images with binman - one
> > > > > > > for u-boot-spl-ddr.bin and the final flash.bin with the
> > > > > > > former one included (as it was before SHA1:
> > > > > > > 37e50627efacd8dae18b564e9d8886a033e181bc)  
> > > > > >
> > > > > > Is QSPI boot broken on i.MX8MM?
> > > > > >
> > > > > > I am adding Adam and Mamta who have tested QSPI booting on
> > > > > > imx8mm_beacon and imx8mm_evk, respectively.  
> > > > >
> > > > > Note also that I sent a series[1] which allows the
> > > > > symbols-base to be adjusted, if that helps.  
> > > >
> > > > I've seen them - but not yet tested.
> > > >
> > > > Thanks Simon for the patch series.  
> > >
> > > Is it still broken with this patch series?  I have been traveling
> > > and haven't had much time to test.  
> >
> > Yes, I can confirm that it is still broken.
> >
> > I've applied:
> > https://patchwork.ozlabs.org/project/uboot/cover/20240826191143.426387-1-sjg@chromium.org/
> >
> > on top of mainline:
> > SHA1: 1630ff26cc960439b5949b80cfc604a2c8aa47dd
> >
> > Adding symbols-base = <0>; to imx8mm-u-boot.dtsi did not help.  
> 
> Can you please point me to the tree?

https://github.com/lmajewski/u-boot/commits/imx8mm-test-qspi-boot-binman-patches

> I suspect that the symbols-base
> is already 0, so setting it to 0 has no effect. I'm not sure though,
> 

Ach... I see.

Please correct me if I'm wrong, but isn't the "symbols-base" an
absolute address?

This is my impression from the descripion.

However, in my case - I would need the "relative" modification - please
see the required "hack":
https://github.com/lmajewski/u-boot/commit/07c0057fcfd242fa791767aaf0ac752d3d0545f7


> Regards,
> Simon


Best regards,

Lukasz Majewski

--

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