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From: Lorenzo Pieralisi <>
To:, Rob Herring <>
Cc: Lorenzo Pieralisi <>,
	Gustavo Pimentel <>,
	Bjorn Helgaas <>,
	Jingoo Han <>,
	Vidya Sagar <>
Subject: Re: [PATCH] PCI: dwc: Support multiple ATU memory regions
Date: Wed, 18 Nov 2020 16:06:18 +0000	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Mon, 26 Oct 2020 13:16:52 -0500, Rob Herring wrote:
> The current ATU setup only supports a single memory resource which
> isn't sufficient if there are also prefetchable memory regions. In order
> to support multiple memory regions, we need to move away from fixed ATU
> slots and rework the assignment. As there's always an ATU entry for
> config space, let's assign index 0 to config space. Then we assign
> memory resources to index 1 and up. Finally, if we have an I/O region
> and slots remaining, we assign the I/O region last. If there aren't
> remaining slots, we keep the same config and I/O space sharing.

Applied to pci/dwc, thanks!

[1/1] PCI: dwc: Support multiple ATU memory regions


      parent reply	other threads:[~2020-11-18 16:06 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-26 18:16 Rob Herring
2020-10-27 10:05 ` Vidya Sagar
2020-10-27 14:29 ` Jingoo Han
2020-11-18 16:06 ` Lorenzo Pieralisi [this message]

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