Re: [PATCH v2 0/2] PCI: dwc: Support large BARs on UltraRISC DP1000
From: Manivannan Sadhasivam
Date: Wed Oct 14 2026 - 02:03:24 EST
On Sat, 05 Sep 2026 10:56:33 +0800, Xincheng Zhang wrote:
> PCI: dwc: Support large BARs on UltraRISC DP1000
>
> This series lets DWC host drivers skip generic outbound iATU programming
> for host bridge MEM ranges, which is useful for some compute cards' very
> large BAR size demand (>100GB).
>
> DP1000 has 16 outbound iATU windows, and each window can map up to
> 4GB. This limits its allocatable MEM64 BAR size to 4GB*(16-3)=52GB
> (-3 for CFG, I/O and MEM32).
>
> [...]
Applied, thanks!
[1/2] PCI: dwc: Allow drivers to skip MEM outbound iATU setup
commit: 35e7ff697f320aa4c0c8cd2f9d0377df307bb34a
[2/2] PCI: ultrarisc: Skip MEM outbound iATU setup on DP1000
commit: e9ad968d240e0d8313d3aac19bd5ef0dad866da1
Best regards,
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