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| author | Hiroshi DOYU <hdoyu@nvidia.com> | 2011-11-16 16:36:37 +0100 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2012-01-26 13:50:28 +0100 |
| commit | d53e54b4d43b2559c5a424188894fd63d145b5d7 (patch) | |
| tree | 31007f68eb6e5a2217c8ca58f56a5ae9f2aec4c0 /drivers/iommu/Kconfig | |
| parent | Linux 3.3-rc1 (diff) | |
| download | linux-d53e54b4d43b2559c5a424188894fd63d145b5d7.tar.xz linux-d53e54b4d43b2559c5a424188894fd63d145b5d7.zip | |
ARM: IOMMU: Tegra20: Add iommu_ops for GART driver
Tegra 20 IOMMU H/W, GART (Graphics Address Relocation Table). This
patch implements struct iommu_ops for GART for the upper IOMMU API.
This H/W module supports only single virtual address space(domain),
and manages a single level 1-to-1 mapping H/W translation page table.
[With small fixes by Joerg Roedel]
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 6bea6962f8ee..76c86da2b411 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -142,4 +142,14 @@ config OMAP_IOMMU_DEBUG Say N unless you know you need this. +config TEGRA_IOMMU_GART + bool "Tegra GART IOMMU Support" + depends on ARCH_TEGRA_2x_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 GART (Graphics Address Relocation Table) + hardware included on Tegra SoCs. + endif # IOMMU_SUPPORT |