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authorHiroshi DOYU <hdoyu@nvidia.com>2011-11-17 09:31:31 +0400
committerJoerg Roedel <joerg.roedel@amd.com>2012-01-26 16:59:02 +0400
commit7a31f6f48bb6e37b3195fcecd69d30740f6b0036 (patch)
tree8f917ff520e78eaa7a0e4ebadfaacdfa7bccf54b /drivers/iommu/Kconfig
parentd53e54b4d43b2559c5a424188894fd63d145b5d7 (diff)
downloadlinux-7a31f6f48bb6e37b3195fcecd69d30740f6b0036.tar.xz
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/Kconfig10
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