1# SPDX-License-Identifier: GPL-2.0-only 2# RISC-V IOMMU support 3 4config RISCV_IOMMU 5 bool "RISC-V IOMMU Support" 6 depends on RISCV && 64BIT 7 default y 8 select IOMMU_API 9 help 10 Support for implementations of the RISC-V IOMMU architecture that 11 complements the RISC-V MMU capabilities, providing similar address 12 translation and protection functions for accesses from I/O devices. 13 14 Say Y here if your SoC includes an IOMMU device implementing 15 the RISC-V IOMMU architecture. 16 17config RISCV_IOMMU_PCI 18 def_bool y if RISCV_IOMMU && PCI_MSI 19 help 20 Support for the PCIe implementation of RISC-V IOMMU architecture. 21