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>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index 6e134c7c227f..d8418b54619e 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -266,6 +266,11 @@ static int tegra_smmu_domain_init(struct iommu_domain *domain)
 
         domain->priv = as;
 
+        /* setup aperture */
+        domain->geometry.aperture_start = 0;
+        domain->geometry.aperture_end = 0xffffffff;
+        domain->geometry.force_aperture = true;
+
         return 0;
 }