Commit 4cca9593 authored by Hiroshi Doyu's avatar Hiroshi Doyu Committed by Olof Johansson

ARM: tegra: fix Tegra114 IOMMU register address

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: default avatarHiroshi Doyu <hdoyu@nvidia.com>
[swarren, wrote commit description]
Signed-off-by: default avatarStephen Warren <swarren@nvidia.com>
Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
parent 6275a9be
......@@ -318,9 +318,9 @@ pmc {
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>;
......
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