On Tue, May 07, 2013 at 04:26:02PM -0400, Olav Haugan wrote:
> Hi Will,
>
> On 4/24/2013 2:55 AM, Will Deacon wrote:
> > On Tue, Apr 23, 2013 at 11:54:53PM +0100, Olav Haugan wrote:
> >> On 4/18/2013 12:01 PM, Will Deacon wrote:
> > Getting phandles has no dependencies on anything -- the only depe
On Mon, May 13, 2013 at 10:07:24AM +0100, Andreas Herrmann wrote:
> On Tue, May 07, 2013 at 04:26:02PM -0400, Olav Haugan wrote:
> > I think you misunderstood me. I am talking about having for example 1
> > master with two (2) context banks so that StreamID "1" goes to CB0 and
> > StreamID "2" goes
Hi Will,
On 4/24/2013 2:55 AM, Will Deacon wrote:
> On Tue, Apr 23, 2013 at 11:54:53PM +0100, Olav Haugan wrote:
>> On 4/18/2013 12:01 PM, Will Deacon wrote:
> Getting phandles has no dependencies on anything -- the only dependency is
> that the device is added to the bus on which the SMMU sits, j
On Tue, Apr 23, 2013 at 11:54:53PM +0100, Olav Haugan wrote:
> Hi Will,
Hello again,
> On 4/18/2013 12:01 PM, Will Deacon wrote:
> > No. The device-tree describes the *hardware*, as per usual. The StreamIDs
> > are fixed properties of the SoC and we can't change them from Linux, so we
> > describ
Hi Will,
On 4/18/2013 12:01 PM, Will Deacon wrote:
> On Tue, Apr 16, 2013 at 07:18:42PM +0100, Olav Haugan wrote:
>> On 4/15/2013 6:13 AM, Will Deacon wrote:
>>> If so, doesn't that strongly tie your video driver to the SMMU?
>>
>> Isn't this more or less what you are doing in DT where you associa
Hi Olav,
On Tue, Apr 16, 2013 at 07:18:42PM +0100, Olav Haugan wrote:
> On 4/15/2013 6:13 AM, Will Deacon wrote:
> > If so, doesn't that strongly tie your video driver to the SMMU?
>
> Isn't this more or less what you are doing in DT where you associate
> specific devices with an IOMMU (mmu-maste
On 4/15/2013 6:13 AM, Will Deacon wrote:
> On Sat, Apr 13, 2013 at 10:02:09PM +0100, Olav Haugan wrote:
>> On 4/10/2013 10:37 AM, Will Deacon wrote:
>>> Ok, but then how does that interact with the IOMMU API in Linux? e.g.
>>> if a client asks for an iova <-> pa mapping on a device, then you
>>> ne
On Sat, Apr 13, 2013 at 10:02:09PM +0100, Olav Haugan wrote:
> Hi again Will,
Hello Olav,
> On 4/10/2013 10:37 AM, Will Deacon wrote:
> > Ok, but then how does that interact with the IOMMU API in Linux? e.g.
> > if a client asks for an iova <-> pa mapping on a device, then you
> > need to lookup
Hi again Will,
On 4/10/2013 10:37 AM, Will Deacon wrote:
> On Mon, Apr 08, 2013 at 06:03:54PM +0100, Olav Haugan wrote:
>
>>> Generally, the StreamIDs are fixed in hardware (as a function of
>>> various AXI bits -- see the SMMU integration guide) and cannot be
>>> set by software. Furthermore, wh
On Mon, Apr 08, 2013 at 06:03:54PM +0100, Olav Haugan wrote:
> Hi Will,
Hello,
> > Generally, the StreamIDs are fixed in hardware (as a function of various AXI
> > bits -- see the SMMU integration guide) and cannot be set by software.
> > Furthermore, when the StreamIDs have an implicit effect on
Hi Will,
On 4/8/2013 2:25 AM, Will Deacon wrote:
> Hi Olav,
>
> On Fri, Apr 05, 2013 at 09:44:49PM +0100, Olav Haugan wrote:
>> On 4/4/2013 9:50 AM, Will Deacon wrote:
>>> diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt
>>> b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
Hi Olav,
On Fri, Apr 05, 2013 at 09:44:49PM +0100, Olav Haugan wrote:
> On 4/4/2013 9:50 AM, Will Deacon wrote:
> > diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt
> > b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
> > new file mode 100644
> > index 000..938325f
> >
On Fri, Apr 05, 2013 at 07:25:26PM +0100, Rob Herring wrote:
> On 04/05/2013 11:57 AM, Will Deacon wrote:
> > Hi Rob,
> >
> > On Fri, Apr 05, 2013 at 05:43:06PM +0100, Rob Herring wrote:
>
> [...]
>
> >>> +- compatible: Should be one of "arm,smmu-v1" or "arm,smmu-v2"
> >>> +
On 4/4/2013 9:50 AM, Will Deacon wrote:
> This patch adds a description of the device tree binding for the ARM
> System MMU architecture.
>
> Cc: Rob Herring
> Cc: Andreas Herrmann
> Signed-off-by: Will Deacon
> ---
>
> Hello,
>
> The driver for this is still a WIP. Both Andreas and myself ha
On 04/05/2013 11:57 AM, Will Deacon wrote:
> Hi Rob,
>
> On Fri, Apr 05, 2013 at 05:43:06PM +0100, Rob Herring wrote:
[...]
>>> +- compatible: Should be one of "arm,smmu-v1" or "arm,smmu-v2"
>>> + depending on the version of the architecture
>>> + implemente
On 04/04/2013 11:50 AM, Will Deacon wrote:
> This patch adds a description of the device tree binding for the ARM
> System MMU architecture.
>
> Cc: Rob Herring
> Cc: Andreas Herrmann
> Signed-off-by: Will Deacon
> ---
>
> Hello,
>
> The driver for this is still a WIP. Both Andreas and myself
Hi Rob,
On Fri, Apr 05, 2013 at 05:43:06PM +0100, Rob Herring wrote:
> On 04/04/2013 11:50 AM, Will Deacon wrote:
> > This patch adds a description of the device tree binding for the ARM
> > System MMU architecture.
> >
> > Cc: Rob Herring
> > Cc: Andreas Herrmann
> > Signed-off-by: Will Deacon
17 matches
Mail list logo
