[PATCH NEXT v2 1/4] powerpc/pasemi: Add PCI initialisation for Nemo board.

[Michael Ellerman]

Darren Stevens <darren at stevens-zone.net> writes:

> Michael,
>
> Any comments on these?

Hi Darren,

I guess in general we'd like more of this to come from the device tree.

But I'll merge this series as-is, because I don't think it helps anyone
to have this code out-of-tree. We can always clean things up further in
future if anyone has the time & motivation.

cheers

> On 19/08/2018, Darren Stevens wrote:
>> The A-Eon Amigaone X1000's Nemo motherboard has an AMD SB600
>> connected to one of the PCI-e root ports on its PaSemi
>> Pwrficient 1628M SoC. Normally the SB600 southbridge would be
>> connected to a hidden PCI-e port on the system's northbridge,
>> and as a result doesn't fully comply with the PCI-e spec.
>>     
>> Add code to relax the PCI-e detection in both the root port
>> and the Linux kernel allowing on board devices to be detected.
>>     
>> Signed-off-by: Darren Stevens <Darren at stevens-zone.net>
>>
>> ---
>>
>> Changes made:
>>
>> v2: Replaced sb600_bus with a define, moved iob_mapbase into 
>>     sb600_set_flag()
>>     Created some register/Flag names (as I don't have the docs
>>     for the PA6T-1682M)