Hi Yao Zi,

On Tue, Sep 22, 2026 at 1:37 PM Anirudh Srinivasan
<[email protected]> wrote:
>
> Hi,
>
> On Tue, Aug 25, 2026 at 11:43 AM Anirudh Srinivasan
> <[email protected]> wrote:
> >
> > Adds a basic driver for IOMMUs that conform to the RISC-V IOMMU
> > specification. This driver sets up the IOMMU in bare mode so that
> > peripherals requiring DMA in U-Boot can function.
> >
> > Signed-off-by: Anirudh Srinivasan <[email protected]>
> > ---
> > Changes in v2:
> > - Changed DDTP read timeout to 3s from 10s
> > - Link to v1: 
> > https://patch.msgid.link/[email protected]
> > ---
> > Hi,
> >
> > This is a pre-requisite for U-Boot on Tenstorrent Atlantis. On this
> > platform, the IOMMU comes up in Off mode at boot, so this is needed for
> > SD and NVME boot to work in U-Boot.
> > ---
> >  MAINTAINERS                 |  1 +
> >  drivers/iommu/Kconfig       |  8 +++++
> >  drivers/iommu/Makefile      |  1 +
> >  drivers/iommu/riscv_iommu.c | 82 
> > +++++++++++++++++++++++++++++++++++++++++++++
> >  4 files changed, 92 insertions(+)
>
> Gentle ping on this.

Gentle ping on this series.

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