Hi Varun,
On Tue, Aug 19, 2014 at 01:11:43PM +0100, Varun Sethi wrote:
> > I think there's some confusion here. The ARM architected SMMU does not
> > perform any StreamID translation -- it sees an incoming ID and uses that to
> > lookup a set of translation tables.
>
> I don't completely agree w
ephen Warren; Arnd
> Bergmann; Rob Herring; iommu@lists.linux-foundation.org; Thierry Reding;
> linux-te...@vger.kernel.org; linux-arm-ker...@lists.infradead.org
> Subject: Re: [PATCH v5] devicetree: Add generic IOMMU device tree bindings
>
> On Thu, Aug 14, 2014 at 07:47:42AM +0100
f Johansson; iommu@lists.linux-
> foundation.org; Rob Herring; linux-te...@vger.kernel.org; linux-arm-
> ker...@lists.infradead.org; Yoder Stuart-B08248
> Subject: Re: [PATCH v5] devicetree: Add generic IOMMU device tree bindings
>
>
> Varun Sethi writes:
>
> >> >> >
Varun Sethi writes:
>> >> > Also, for dynamic stream ID allocation we would need to represent
>> >> > the specific master register (to store the stream ID) in the device
>> >> > tree.
>> >>
>> >> I assmue that the above means that iMX has such configuration
>> >> register to map steramID and a
f Johansson; iommu@lists.linux-
> foundation.org; Rob Herring; linux-te...@vger.kernel.org; linux-arm-
> ker...@lists.infradead.org; Yoder Stuart-B08248
> Subject: Re: [PATCH v5] devicetree: Add generic IOMMU device tree bindings
>
>
> Varun Sethi writes:
>
> > Hi Hiroshi,
ill
>> Deacon; Mark Rutland; devicet...@vger.kernel.org; Olof Johansson;
>> iommu@lists.linux-foundation.org; Rob Herring; linux-te...@vger.kernel.org;
>> linux-arm-ker...@lists.infradead.org
>> Subject: Re: [PATCH v5] devicetree: Add generic IOMMU device tree bindings
>>
rg; Olof Johansson;
> iommu@lists.linux-foundation.org; Rob Herring; linux-te...@vger.kernel.org;
> linux-arm-ker...@lists.infradead.org
> Subject: Re: [PATCH v5] devicetree: Add generic IOMMU device tree bindings
>
> Hi Varun,
>
> Varun Sethi writes:
>
> >&g
On Fri, Aug 15, 2014 at 01:29:41PM +0100, Hiroshi Doyu wrote:
> Will Deacon writes:
> > I think there's some confusion here. The ARM architected SMMU does not
> > perform any StreamID translation -- it sees an incoming ID and uses that to
> > lookup a set of translation tables. However, for hotplu
Will Deacon writes:
> On Thu, Aug 14, 2014 at 07:47:42AM +0100, Hiroshi Doyu wrote:
>> Thierry Reding writes:
>>
>> > +Multiple-master IOMMU:
>> > +--
>> > +
>> > + iommu {
>> > + /* the specifier represents the ID of the master */
>> > + #
On Thu, Aug 14, 2014 at 07:47:42AM +0100, Hiroshi Doyu wrote:
> Thierry Reding writes:
>
> > +Multiple-master IOMMU:
> > +--
> > +
> > + iommu {
> > + /* the specifier represents the ID of the master */
> > + #iommu-cells = <1>;
> > + };
en Warren; Arnd Bergmann; Will Deacon
>> Cc: Mark Rutland; devicet...@vger.kernel.org; Olof Johansson;
>> iommu@lists.linux-foundation.org; Rob Herring; linux-te...@vger.kernel.org;
>> linux-arm-ker...@lists.infradead.org
>> Subject: Re: [PATCH v5] devicetree: Add generic IOMMU
k Rutland; devicet...@vger.kernel.org; Olof Johansson;
> iommu@lists.linux-foundation.org; Rob Herring; linux-te...@vger.kernel.org;
> linux-arm-ker...@lists.infradead.org
> Subject: Re: [PATCH v5] devicetree: Add generic IOMMU device tree bindings
>
>
> Thierry Reding w
Thierry Reding writes:
> +Multiple-master IOMMU:
> +--
> +
> + iommu {
> + /* the specifier represents the ID of the master */
> + #iommu-cells = <1>;
> + };
> +
> + master@1 {
> + /* device has master ID 42 in the I
Hi Thierry,
On Thursday 31 July 2014 12:43:03 Thierry Reding wrote:
> From: Thierry Reding
>
> This commit introduces a generic device tree binding for IOMMU devices.
> Only a very minimal subset is described here, but it is enough to cover
> the requirements of both the Exynos System MMU and Te
On Thu, Jul 31, 2014 at 10:14:08AM -0700, Olof Johansson wrote:
> On Thu, Jul 31, 2014 at 9:36 AM, Joerg Roedel wrote:
> > On Thu, Jul 31, 2014 at 08:38:47AM -0700, Olof Johansson wrote:
> >> >
> >> > Applied, thanks everyone.
> >>
> >> Really?
> >>
> >> Gee, thanks for giving people a chance to r
On Thu, Jul 31, 2014 at 9:36 AM, Joerg Roedel wrote:
> On Thu, Jul 31, 2014 at 08:38:47AM -0700, Olof Johansson wrote:
>> >
>> > Applied, thanks everyone.
>>
>> Really?
>>
>> Gee, thanks for giving people a chance to reply with acks. It's
>> considered polite to do so when there has been outstandi
On Thu, Jul 31, 2014 at 08:38:47AM -0700, Olof Johansson wrote:
> >
> > Applied, thanks everyone.
>
> Really?
>
> Gee, thanks for giving people a chance to reply with acks. It's
> considered polite to do so when there has been outstanding questions.
Its not pushed yet, I can still make changes.
On Thu, Jul 31, 2014 at 5:04 AM, Joerg Roedel wrote:
> On Thu, Jul 31, 2014 at 12:43:03PM +0200, Thierry Reding wrote:
>> From: Thierry Reding
>>
>> This commit introduces a generic device tree binding for IOMMU devices.
>> Only a very minimal subset is described here, but it is enough to cover
>
On Thu, Jul 31, 2014 at 12:43:03PM +0200, Thierry Reding wrote:
> From: Thierry Reding
>
> This commit introduces a generic device tree binding for IOMMU devices.
> Only a very minimal subset is described here, but it is enough to cover
> the requirements of both the Exynos System MMU and Tegra S
On Thu, Jul 31, 2014 at 11:43:03AM +0100, Thierry Reding wrote:
> From: Thierry Reding
>
> This commit introduces a generic device tree binding for IOMMU devices.
> Only a very minimal subset is described here, but it is enough to cover
> the requirements of both the Exynos System MMU and Tegra S
From: Thierry Reding
This commit introduces a generic device tree binding for IOMMU devices.
Only a very minimal subset is described here, but it is enough to cover
the requirements of both the Exynos System MMU and Tegra SMMU as
discussed here:
https://lkml.org/lkml/2014/4/27/346
Acked-by:
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