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List: linux-iommu
Subject: [PATCH 06/23] ARM: dt: tegra114: iommu: Add "nvidia,swgroups"
From: thierry.reding () gmail ! com (Thierry Reding)
Date: 2013-06-26 10:52:17
Message-ID: 20130626105216.GL27083 () manwe
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On Wed, Jun 26, 2013 at 12:28:09PM +0300, Hiroshi Doyu wrote:
> This is a bitmap that indicates which HardWare Accelerators(HWA) are
> supported on Tegra114 SoC.
>
> Signed-off-by: Hiroshi Doyu <hdoyu at nvidia.com>
> ---
> arch/arm/boot/dts/tegra114.dtsi | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/tegra114.dtsi b/arch/arm/boot/dts/tegra114.dtsi
> index 1f45cf5..715b5d6 100644
> --- a/arch/arm/boot/dts/tegra114.dtsi
> +++ b/arch/arm/boot/dts/tegra114.dtsi
> @@ -323,7 +323,7 @@
> 0x70019228 0x074>;
> nvidia,#asids = <4>;
> dma-window = <0 0x40000000>;
> - nvidia,swgroups = <0x18659fe>;
> + nvidia,swgroups = <0x00000000 0x01b659fe>;
> nvidia,ahb = <&ahb>;
> };
It seems like an nvidia,tegra114-smmu.txt file is missing from the
Documentation/devicetree/bindings/iommu directory. And similarily to my
comment for the tegra30.dtsi update this could be a symbolic value such
as TEGRA114_SWGID_ALL.
Thierry
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