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ARM: tegra: fix Tegra114 IOMMU register address

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The IOMMU node's reg property contains completely bogus values! Somehow,
this had no practical effect, despite the fact the IOMMU driver appears
to be writing to those registers. I suppose that since no HW modules is
actually at that address, the writes simply had no effect.

Note that I'm not CCing stable here, even though the problem exists as
far back as v3.9, simply because this patch doesn't fix any observed
issue, and I don't want to run the risk of suddenly writing to some
registers and causing a regression.

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
[swarren, wrote commit description]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Hiroshi Doyu 2013-10-30 17:17:48 -06:00 committed by Olof Johansson
parent 6275a9be78
commit 4cca959326
1 changed files with 3 additions and 3 deletions
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6
arch/arm/boot/dts/tegra114.dtsi
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@ -318,9 +318,9 @@
iommu {
compatible = "nvidia,tegra114-smmu", "nvidia,tegra30-smmu";
reg = <0x7000f010 0x02c
0x7000f1f0 0x010
0x7000f228 0x074>;
reg = <0x70019010 0x02c
0x700191f0 0x010
0x70019228 0x074>;
nvidia,#asids = <4>;
dma-window = <0 0x40000000>;
nvidia,swgroups = <0x18659fe>;