[U-Boot] x86: ACPI support suggestion

[Simon Glass]

Hi,

On 6 February 2015 at 16:11, Gabriel Huau <contact at huau-gabriel.fr> wrote:
> Hi Simon,
>
>
> On 02/06/2015 03:04 PM, Simon Glass wrote:
>>
>> Hi Gabriel,
>>
>> On 6 February 2015 at 16:01, Gabriel Huau <contact at huau-gabriel.fr> wrote:
>>>
>>> Hi Bin,
>>>
>>> Actually I was able to try with a quick&dirty code the integration of the
>>> ACPI tables (aml files) and it doesn't seem to be possible.
>>> The boot to Linux is working fine, all the ACPI tables are loaded
>>> correctly,
>>> but the system is unstable and it seems to have some issue with the
>>> interrupts handler.
>>>
>>> As debugging this kind of issues could be really tricky and involve also
>>> a
>>> lot of modification, I think we are stuck to port the ACPI support from
>>> coreboot to u-boot.
>>>
>>> I will try to work on a first draft and see how things look like.
>>
>> One thing to note is that U-Boot may not currently set up the PCI
>> interrupts fully. Or perhaps the problem is that ACPI needs to match.
>> What platform are you using?
>>
>> [snip]
>
>
> MinnowBoard Max (BayTrail).
>
> Actually, you may be right, I didn't check this part.
>

Actually that uses an FSP so might already be correct, but it is
certainly worth checking.

Regards,
Simon