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## SPDX-License-Identifier: GPL-2.0-only
config SOC_INTEL_COMMON_BLOCK_VTD
bool
depends on PLATFORM_USES_FSP2_0
help
Intel Processor common VT-d/IOMMU support
config ENABLE_EARLY_DMA_PROTECTION
bool "Enable early DMA protection"
depends on SOC_INTEL_COMMON_BLOCK_VTD
default n
help
Setting this makes the whole memory from 0 to TOLUM and from 4GB
to TOUUD DMA protected with VT-d PMR registers.
Disable this setting if your OS does not support IOMMU. The payload
must be aware of the DMA protection, otherwise I/O devices might not
work.
If unsure, say N.
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