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-rw-r--r--drivers/iommu/Kconfig16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 5c5cb5bee8b6..dc5f7a156ff5 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -67,6 +67,17 @@ config IOMMU_IO_PGTABLE_ARMV7S_SELFTEST
If unsure, say N here.
+config IOMMU_IO_PGTABLE_DART
+ bool "Apple DART Formats"
+ select IOMMU_IO_PGTABLE
+ depends on ARM64 || (COMPILE_TEST && !GENERIC_ATOMIC64)
+ help
+ Enable support for the Apple DART pagetable formats. These include
+ the t8020 and t6000/t8110 DART formats used in Apple M1/M2 family
+ SoCs.
+
+ If unsure, say N here.
+
endmenu
config IOMMU_DEBUGFS
@@ -137,7 +148,7 @@ config OF_IOMMU
# IOMMU-agnostic DMA-mapping layer
config IOMMU_DMA
- bool
+ def_bool ARM64 || IA64 || X86
select DMA_OPS
select IOMMU_API
select IOMMU_IOVA
@@ -294,7 +305,7 @@ config APPLE_DART
tristate "Apple DART IOMMU Support"
depends on ARCH_APPLE || (COMPILE_TEST && !GENERIC_ATOMIC64)
select IOMMU_API
- select IOMMU_IO_PGTABLE_LPAE
+ select IOMMU_IO_PGTABLE_DART
default ARCH_APPLE
help
Support for Apple DART (Device Address Resolution Table) IOMMUs
@@ -476,7 +487,6 @@ config VIRTIO_IOMMU
depends on VIRTIO
depends on (ARM64 || X86)
select IOMMU_API
- select IOMMU_DMA
select INTERVAL_TREE
select ACPI_VIOT if ACPI
help