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Systems such as Apple's M1 and M2 SoCs may have separate IOMMUs for each PCIe root port. In this case the right IOMMU for a PCI device behind a particular root port is described by an "iommu-map" property in the device tree. Parse this property and use it to find the right IOMMU device for PCI devices. Signed-off-by: Mark Kettenis <kettenis@openbsd.org> |
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apple_dart.c | ||
iommu-uclass.c | ||
Kconfig | ||
Makefile | ||
sandbox_iommu.c |