[coreboot] 16 GPUs on one board

Aaron Durbin adurbin at google.com
Thu Jan 11 17:04:40 CET 2018


On Sun, Jan 7, 2018 at 2:05 PM, Adam Talbot <ajtalbot1 at gmail.com> wrote:

> Lets take a slight differently tactic. What would happen if we removed the
> ROM from a GPU/NIC? Would the GPU's still require 256MB~304MB of PCI_MMIO?
>

Yes, I would expect it to. Those cards have on-board memory that would need
to be addressed.


>
>
>
> On Sat, Jan 6, 2018 at 3:00 PM, Taiidan at gmx.com <Taiidan at gmx.com> wrote:
>
>> I have had this issue in regards to SR-IOV, - at the moment coreboot only
>> supports 32Bit MMIO unfortunately one can't have too many graphics devices
>> or network interfaces apparently.
>>
>> Considering the success of the OpenBMC port fund it would be nice if we
>> could get a fund going to fix this if it wouldn't cost too much as I would
>> really like to be able to use SR-IOV and many more PCI-e devices on my
>> board via a cyclone PCI-e expansion system eventually.
>>
>> I am not sure if there is a work-around in linux but post back if you
>> find one.
>>
>
>
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