diff options
| author | Hiroshi DOYU <hdoyu@nvidia.com> | 2011-11-17 07:31:31 +0200 |
|---|---|---|
| committer | Rohan Somvanshi <rsomvanshi@nvidia.com> | 2012-01-12 09:13:25 -0800 |
| commit | 1638b56014450dce1c04895ecf9da7305294760d (patch) | |
| tree | c454661c1d954bac1044c7fa1598173015d52938 /drivers/iommu/Kconfig | |
| parent | 6ebf00f50a55b3a9248ebd0e2c023f8aecde8e95 (diff) | |
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 to be used in the standard IOMMU
API.
This H/W module supports multiple virtual address spaces(domain x4),
and manages 2 level H/W translation pagetable.
Change-Id: Iaad09401d3661bcfd6732934be9595283a46e652
Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Reviewed-on: http://git-master/r/72215
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Varun Wadekar <vwadekar@nvidia.com>
Reviewed-by: Krishna Reddy <vdumpa@nvidia.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 b57b3fa492f3..deb009d4a5f7 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -107,4 +107,14 @@ config INTR_REMAP To use x2apic mode in the CPU's which support x2APIC enhancements or to support platforms with CPU's having > 8 bit APIC ID, say Y. +config TEGRA_IOMMU_SMMU + bool "Tegra SMMU IOMMU Support" + depends on ARCH_TEGRA + 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 |