Specifies an initial context for processing a transaction, where that transaction matches the Stream mapping group that this register belongs to.

The number of SMMU_S2CRn registers is configured as described in Configurable options. The unimplemented registers are RAZ/WI.

The format of the SMMU_S2CRn registers depends on the state of its TYPE field. See the ARM System Memory Management Unit Architecture Specification for more information.

See Global space 0 registers summary.