snps_accel_rproc: add ARC CBU IOMMU bypass option #30
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This change implements the ARC CBU IOMMU bypass mechanism so that the IOVA address assigned by the IOMMU to the system memory are equal to the physical addresses used by the ARC CBU master interface for ARC firmware code and data fetching as well as for the IPC buffer.
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This change implements the ARC CBU IOMMU bypass mechanism so that the IOVA address assigned by the IOMMU to the system memory are equal to the physical addresses used by the ARC CBU master interface for ARC firmware code and data fetching as well as for the IPC buffer.