1 2config HAS_PASSTHROUGH 3 bool 4 5if ARM 6config ARM_SMMU 7 bool "ARM SMMUv1 and v2 driver" 8 default y 9 ---help--- 10 Support for implementations of the ARM System MMU architecture 11 versions 1 and 2. 12 13 Say Y here if your SoC includes an IOMMU device implementing the 14 ARM SMMU architecture. 15 16config IPMMU_VMSA 17 bool "Renesas IPMMU-VMSA found in R-Car Gen3 SoCs" if EXPERT 18 depends on ARM_64 19 ---help--- 20 Support for implementations of the Renesas IPMMU-VMSA found 21 in R-Car Gen3 SoCs. 22 23 Say Y here if you are using newest R-Car Gen3 SoCs revisions 24 (H3 ES3.0, M3-W+, etc) which IPMMU hardware supports stage 2 25 translation table format and is able to use CPU's P2M table as is. 26 27endif 28 29config IOMMU_FORCE_PT_SHARE 30 bool 31