Re: [PATCH v2 1/7] iommu: Add IOMMU uclass

2021-10-14 Thread Simon Glass
Hi Mark, On Thu, 14 Oct 2021 at 15:11, Mark Kettenis wrote: > > > From: Simon Glass > > Date: Thu, 14 Oct 2021 14:55:19 -0600 > > > > Hi Mark, > > > > On Thu, 14 Oct 2021 at 14:51, Mark Kettenis wrote: > > > > > > > From: Simon Glass > > > > Date: Thu, 14 Oct 2021 14:20:21 -0600 > > > > > > >

Re: [PATCH v2 1/7] iommu: Add IOMMU uclass

2021-10-14 Thread Mark Kettenis
> From: Simon Glass > Date: Thu, 14 Oct 2021 14:55:19 -0600 > > Hi Mark, > > On Thu, 14 Oct 2021 at 14:51, Mark Kettenis wrote: > > > > > From: Simon Glass > > > Date: Thu, 14 Oct 2021 14:20:21 -0600 > > > > > > Hi Mark, > > > > > > On Thu, 14 Oct 2021 at 13:35, Mark Kettenis > > > wrote: >

Re: [PATCH v2 1/7] iommu: Add IOMMU uclass

2021-10-14 Thread Simon Glass
Hi Mark, On Thu, 14 Oct 2021 at 14:51, Mark Kettenis wrote: > > > From: Simon Glass > > Date: Thu, 14 Oct 2021 14:20:21 -0600 > > > > Hi Mark, > > > > On Thu, 14 Oct 2021 at 13:35, Mark Kettenis wrote: > > > > > > > From: Simon Glass > > > > Date: Mon, 11 Oct 2021 11:00:34 -0600 > > > > > > >

Re: [PATCH v2 1/7] iommu: Add IOMMU uclass

2021-10-14 Thread Mark Kettenis
> From: Simon Glass > Date: Thu, 14 Oct 2021 14:20:21 -0600 > > Hi Mark, > > On Thu, 14 Oct 2021 at 13:35, Mark Kettenis wrote: > > > > > From: Simon Glass > > > Date: Mon, 11 Oct 2021 11:00:34 -0600 > > > > > > Hi Mark, > > > > > > On Sun, 3 Oct 2021 at 12:31, Mark Kettenis wrote: > > > > >

Re: [PATCH v2 1/7] iommu: Add IOMMU uclass

2021-10-14 Thread Simon Glass
Hi Mark, On Thu, 14 Oct 2021 at 13:35, Mark Kettenis wrote: > > > From: Simon Glass > > Date: Mon, 11 Oct 2021 11:00:34 -0600 > > > > Hi Mark, > > > > On Sun, 3 Oct 2021 at 12:31, Mark Kettenis wrote: > > > > > > This uclass is intended to manage IOMMUs on systems where the > > > IOMMUs are

Re: [PATCH v2 1/7] iommu: Add IOMMU uclass

2021-10-14 Thread Mark Kettenis
> From: Simon Glass > Date: Mon, 11 Oct 2021 11:00:34 -0600 > > Hi Mark, > > On Sun, 3 Oct 2021 at 12:31, Mark Kettenis wrote: > > > > This uclass is intended to manage IOMMUs on systems where the > > IOMMUs are not in bypass mode by default. In that case U-Boot > > cannot ignore the IOMMUs

Re: [PATCH v2 1/7] iommu: Add IOMMU uclass

2021-10-11 Thread Simon Glass
Hi Mark, On Sun, 3 Oct 2021 at 12:31, Mark Kettenis wrote: > > This uclass is intended to manage IOMMUs on systems where the > IOMMUs are not in bypass mode by default. In that case U-Boot > cannot ignore the IOMMUs if it wants to use devices that need > to do DMA and sit behind such an IOMMU.

[PATCH v2 1/7] iommu: Add IOMMU uclass

2021-10-03 Thread Mark Kettenis
This uclass is intended to manage IOMMUs on systems where the IOMMUs are not in bypass mode by default. In that case U-Boot cannot ignore the IOMMUs if it wants to use devices that need to do DMA and sit behind such an IOMMU. This initial IOMMU uclass implementation does not implement and device