iommu/tegra: Setup aperture
Each address space in the Tegra SMMU provides 4 GiB worth of addresses.
Cc: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index 6e134c7..d8418b5 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -266,6 +266,11 @@
domain->priv = as;
+ /* setup aperture */
+ domain->geometry.aperture_start = 0;
+ domain->geometry.aperture_end = 0xffffffff;
+ domain->geometry.force_aperture = true;
+
return 0;
}