diff options
| author | Hiroshi DOYU <hdoyu@nvidia.com> | 2011-11-16 17:36:37 +0200 |
|---|---|---|
| committer | Rohan Somvanshi <rsomvanshi@nvidia.com> | 2012-01-23 06:30:35 -0800 |
| commit | 4fdeab0b799a431aabf6318603ae0a61200d03e0 (patch) | |
| tree | 3239bd5f7223f02b90bde4ca97e7f569915d4ab5 /drivers/iommu/Kconfig | |
| parent | 74d88a741acbdff2d7e1ad8f7e2d9f9f1fb29428 (diff) | |
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.
Change-Id: I2f550bf0e14d9f994abdde79b835ddfe815faa5a
Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Reviewed-on: http://git-master/r/75945
Reviewed-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
Tested-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
Diffstat (limited to 'drivers/iommu/Kconfig')
| -rw-r--r-- | drivers/iommu/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index deb009d4a5f7..e291f7adbc96 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -117,4 +117,15 @@ config TEGRA_IOMMU_SMMU space through the SMMU (System Memory Management Unit) hardware included on Tegra SoCs. +config TEGRA_IOMMU_GART + bool "Tegra GART IOMMU Support" + depends on ARCH_TEGRA_2x_SOC + default y + 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 |