[U-Boot] ACPI in general

[Olof Johansson]

On Thu, Oct 6, 2016 at 6:01 AM, Timur Tabi <timur at codeaurora.org> wrote:
> Bin Meng wrote:
>>>
>>> >I believe that ACPI systems generally expect EFI runtime services to
>>> >be present as well.  I know ours does.
>>
>> This is not true. ACPI does not require any EFI runtime services.
>
>
> Please re-read my sentence.  I said "generally expect".
>
> If you guys want to spend the man-years necessary to get ACPI and ARM
> working in U-Boot, go right on ahead.  I think it's a fool's errand.  I work
> on ARM Servers, so I know the pain that is ACPI.  You don't want it.  If
> your system works with device tree, stick with that.  ACPI has no value
> outside of ARM servers, and ARM servers already have UEFI.

Remember, if you expect to run Linux on top of ACPI, that is only
supported for SBSA-compliant platforms.

No ACPI on embedded platforms, period.


-Olof