Could not find a bounce buffer... Payload not loaded. Intel 440BX/LX Board

[Nico Huber]

Hi Christian,

this doesn't look good:
> DOMAIN: 0000 missing read_resources

None of your PCI resources are considered and also not the DRAM which
is probably the cause of
> Payload being loaded below 1MiB without region being marked as RAM usable.

Maybe no RAM is known at all at this point.

It's hard to tell where this comes from without seeing your code. If
you could publish it somewhere, that would help us to help you. Shot
in the dark: Do you have a resource `domain` in your `devicetree.cb`?
Another cause could be that `src/northbridge/intel/i440bx/northbridge.c`
is not linked into your build. That might be a matter of your `.config`
file and the board's `Kconfig`.

Why 4.1 btw.? i440bx is still on our main branch.

Hope this helps,
Nico

[Christian Sühs]

Am 10.09.2024 um 19:50 schrieb Nico Huber via coreboot:
> Hi Christian,

Hi Nico,
> this doesn't look good:
> > DOMAIN: 0000 missing read_resources

Oh, I didn't even notice that. Until today I tried to rewrite the i440LX 
code and then I realized that I could also use the i440BX code. Until 
then, the boot process always aborted at “Read resources…”. The log file 
already comes from the BX code and at first I was happy that it was 
almost done.
> None of your PCI resources are considered and also not the DRAM which
> is probably the cause of
> > Payload being loaded below 1MiB without region being marked as RAM usable.
>
> Maybe no RAM is known at all at this point.

Yes, I'm afraid so
> It's hard to tell where this comes from without seeing your code. If
> you could publish it somewhere, that would help us to help you. Shot
> in the dark: Do you have a resource `domain` in your `devicetree.cb`?

Yes
> Another cause could be that `src/northbridge/intel/i440bx/northbridge.c`

I'll check this
> is not linked into your build. That might be a matter of your `.config`
> file and the board's `Kconfig`.
>
> Why 4.1 btw.? i440bx is still on our main branch.

See above, 4.1 is the last version with the i440LX, which I think never 
ran. I guess I got a little lost there. I'll also try the latest version
> Hope this helps,
> Nico

That's a start, thanks and greetings Christian
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