Hard Processor System Technical Reference Manual: Agilex™ 5 SoCs

ID 814346
Date 7/19/2024
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4.3.7.11. Enabling the SMMU

Software enables the SMMU by writing to SMMU_CR0 after Stream Table is populated.

  • Ensure that all the Stream Table entries are populated in memory.
  • Set the SMMU_CR0.SMMUEN bit to 1.
  • Check that the enable operation is complete by polling SMMU_CR0ACK unit SMMUEN reads as 1.