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 with
...@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 varun.se...@freescale.com writes:
-Original Message-
From: iommu-boun
; devicetree@vger.kernel.org; Olof Johansson;
io...@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 varun.se...@freescale.com writes
Varun Sethi varun.se...@freescale.com 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
-
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 varun.se...@freescale.com writes:
Hi Hiroshi,
-Original Message-
From
; Rob Herring; io...@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, Hiroshi Doyu wrote:
Thierry Reding thierry.red
On Thu, Aug 14, 2014 at 07:47:42AM +0100, Hiroshi Doyu wrote:
Thierry Reding thierry.red...@gmail.com writes:
+Multiple-master IOMMU:
+--
+
+ iommu {
+ /* the specifier represents the ID of the master */
+ #iommu-cells = 1;
+
Will Deacon will.dea...@arm.com writes:
On Thu, Aug 14, 2014 at 07:47:42AM +0100, Hiroshi Doyu wrote:
Thierry Reding thierry.red...@gmail.com writes:
+Multiple-master IOMMU:
+--
+
+ iommu {
+ /* the specifier represents the ID of the master
On Fri, Aug 15, 2014 at 01:29:41PM +0100, Hiroshi Doyu wrote:
Will Deacon will.dea...@arm.com 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.
Thierry Reding thierry.red...@gmail.com writes:
+Multiple-master IOMMU:
+--
+
+ iommu {
+ /* the specifier represents the ID of the master */
+ #iommu-cells = 1;
+ };
+
+ master@1 {
+ /* device has master
@vger.kernel.org; Olof Johansson;
io...@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 thierry.red...@gmail.com writes:
+Multiple-master IOMMU
Bergmann; Will Deacon
Cc: Mark Rutland; devicetree@vger.kernel.org; Olof Johansson;
io...@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
From: Thierry Reding tred...@nvidia.com
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:
On Thu, Jul 31, 2014 at 11:43:03AM +0100, Thierry Reding wrote:
From: Thierry Reding tred...@nvidia.com
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
On Thu, Jul 31, 2014 at 12:43:03PM +0200, Thierry Reding wrote:
From: Thierry Reding tred...@nvidia.com
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
On Thu, Jul 31, 2014 at 5:04 AM, Joerg Roedel j...@8bytes.org wrote:
On Thu, Jul 31, 2014 at 12:43:03PM +0200, Thierry Reding wrote:
From: Thierry Reding tred...@nvidia.com
This commit introduces a generic device tree binding for IOMMU devices.
Only a very minimal subset is described here,
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. Do you
On Thu, Jul 31, 2014 at 9:36 AM, Joerg Roedel j...@8bytes.org 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
On Thu, Jul 31, 2014 at 10:14:08AM -0700, Olof Johansson wrote:
On Thu, Jul 31, 2014 at 9:36 AM, Joerg Roedel j...@8bytes.org 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
Hi Thierry,
On Thursday 31 July 2014 12:43:03 Thierry Reding wrote:
From: Thierry Reding tred...@nvidia.com
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
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