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| author | Hiroshi DOYU | 2011-11-17 06:31:31 +0100 |
|---|---|---|
| committer | Joerg Roedel | 2012-01-26 13:59:02 +0100 |
| commit | 7a31f6f48bb6e37b3195fcecd69d30740f6b0036 (patch) | |
| tree | 8f917ff520e78eaa7a0e4ebadfaacdfa7bccf54b /drivers/iommu/Kconfig | |
| parent | ARM: IOMMU: Tegra20: Add iommu_ops for GART driver (diff) | |
| download | kernel-qcow2-linux-7a31f6f48bb6e37b3195fcecd69d30740f6b0036.tar.gz kernel-qcow2-linux-7a31f6f48bb6e37b3195fcecd69d30740f6b0036.tar.xz kernel-qcow2-linux-7a31f6f48bb6e37b3195fcecd69d30740f6b0036.zip | |
ARM: IOMMU: Tegra30: Add iommu_ops for SMMU driver
Tegra 30 IOMMU H/W, SMMU (System Memory Management Unit). This patch
implements struct iommu_ops for SMMU for the upper IOMMU API.
This H/W module supports multiple virtual address spaces(domain x4),
and manages 2 level H/W translation pagetable.
Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu/Kconfig')
| -rw-r--r-- | drivers/iommu/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 76c86da2b411..3bd9fff5c589 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -152,4 +152,14 @@ config TEGRA_IOMMU_GART space through the GART (Graphics Address Relocation Table) hardware included on Tegra SoCs. +config TEGRA_IOMMU_SMMU + bool "Tegra SMMU IOMMU Support" + depends on ARCH_TEGRA_3x_SOC + select IOMMU_API + help + Enables support for remapping discontiguous physical memory + shared with the operating system into contiguous I/O virtual + space through the SMMU (System Memory Management Unit) + hardware included on Tegra SoCs. + endif # IOMMU_SUPPORT |