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-rw-r--r--arch/x86/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index e0edaaa6920..5a82f18ab5e 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -549,6 +549,13 @@ config CALGARY_IOMMU_ENABLED_BY_DEFAULT
Calgary anyway, pass 'iommu=calgary' on the kernel command line.
If unsure, say Y.
+config AMD_IOMMU
+ bool "AMD IOMMU support"
+ select SWIOTL
+ depends on X86_64 && PCI
+ help
+ Select this to get support for AMD IOMMU hardware in your system.
+
# need this always selected by IOMMU for the VIA workaround
config SWIOTLB
bool