# SPDX-License-Identifier: GPL-2.0-only # SW64 IOMMU SUPPORT config SUNWAY_IOMMU bool "Sunway IOMMU Support" select IOMMU_API select IOMMU_IOVA select IOMMU_DMA depends on SW64 && PCI && SUBARCH_C3B help Support for IOMMU on SW64 platform. It can enable or bypass specific device by adding boot param "iommu_enable" and "iommu.passthrough". # SW64 IOMMU V2 SUPPORT config SUNWAY_IOMMU_V2 bool "Sunway IOMMU V2 Support" select IOMMU_API select IOMMU_IOVA depends on SW64 && PCI && SUBARCH_C4 help Support for IOMMU V2 on SW64 platform. It can enable or bypass specific device by adding boot param "iommu_enable" and "iommu.passthrough".