If unsure, say N here.
+config IOMMU_IO_PGTABLE_ARMV7S
+ bool "ARMv7/v8 Short Descriptor Format"
+ select IOMMU_IO_PGTABLE
+ depends on HAS_DMA && (ARM || ARM64 || COMPILE_TEST)
+ help
+ Enable support for the ARM Short-descriptor pagetable format.
+ This supports 32-bit virtual and physical addresses mapped using
+ 2-level tables with 4KB pages/1MB sections, and contiguous entries
+ for 64KB pages/16MB supersections if indicated by the IOMMU driver.
+
+config IOMMU_IO_PGTABLE_ARMV7S_SELFTEST
+ bool "ARMv7s selftests"
+ depends on IOMMU_IO_PGTABLE_ARMV7S
+ help
+ Enable self-tests for ARMv7s page table allocator. This performs
+ a series of page-table consistency checks during boot.
+
+ If unsure, say N here.
+
endmenu
config IOMMU_IOVA
# IOMMU-agnostic DMA-mapping layer
config IOMMU_DMA
bool
- depends on NEED_SG_DMA_LENGTH
select IOMMU_API
select IOMMU_IOVA
+ select NEED_SG_DMA_LENGTH
config FSL_PAMU
bool "Freescale IOMMU support"
config EXYNOS_IOMMU
bool "Exynos IOMMU Support"
- depends on ARCH_EXYNOS && ARM && MMU
+ depends on ARCH_EXYNOS && MMU
select IOMMU_API
select ARM_DMA_USE_IOMMU
help
help
Support for the IOMMU API for s390 PCI devices.
+config MTK_IOMMU
+ bool "MTK IOMMU Support"
+ depends on ARM || ARM64
+ depends on ARCH_MEDIATEK || COMPILE_TEST
+ select ARM_DMA_USE_IOMMU
+ select IOMMU_API
+ select IOMMU_DMA
+ select IOMMU_IO_PGTABLE_ARMV7S
+ select MEMORY
+ select MTK_SMI
+ help
+ Support for the M4U on certain Mediatek SOCs. M4U is MultiMedia
+ Memory Management Unit. This option enables remapping of DMA memory
+ accesses for the multimedia subsystem.
+
+ If unsure, say N here.
+
endif # IOMMU_SUPPORT