[Skiboot] [PATCH v3] hw/npu2-opencapi: Support multiple LPC devices
ajd at linux.ibm.com
Tue Jan 28 18:25:21 AEDT 2020
On 28/1/20 6:16 pm, Andrew Donnellan wrote:
>> This patch seems like the sort of thing that'll need to be re-written
>> entirely when we decide to support >4TB allocations. Oh well.
> Yep. The way addresses are structured on P8 and the restrictions of the
I obviously mean P9...
> chip address mask that has been chosen makes it difficult to do >4TB of
> contiguous memory in any case - we can assign multiple discontiguous 4TB
> ranges to a single card by masking off some bits, but from a Linux
> perspective that's less useful. We'll cross that bridge if/when required
Andrew Donnellan OzLabs, ADL Canberra
ajd at linux.ibm.com IBM Australia Limited
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