Add SMMU Dxe Driver

- Consume SMMU config HOB - Add IORT - Configure Smmu, stream table, cmd/event queues - Configure SMMU page tables - Add IoMmu protocol - Enable SMMU for stage 2 translation & dma remapping
microsoft · Dec 14, 2024 · b719805 · b719805
1 parent 54c5d06
commit b719805
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Showing 13 changed files with 4,110 additions and 12 deletions.
diff --git a/ArmPkg/ArmPkg.dec b/ArmPkg/ArmPkg.dec
@@ -110,6 +110,10 @@
   # Include/Guid/ArmMpCoreInfo.h
   gArmMpCoreInfoGuid = { 0xa4ee0728, 0xe5d7, 0x4ac5,  {0xb2, 0x1e, 0x65, 0x8e, 0xd8, 0x57, 0xe8, 0x34} }
 
+  ## SMMU config data
+  # Include/Guid/SmmuConfig.h
+  gEfiSmmuConfigGuid = { 0xcd56ec8f, 0x75f1, 0x440a, { 0xaa, 0x48, 0x09, 0x58, 0xb1, 0x1c, 0x9a, 0xa7 } }
+
   gArmMmuReplaceLiveTranslationEntryFuncGuid = { 0xa8b50ff3, 0x08ec, 0x4dd3, {0xbf, 0x04, 0x28, 0xbf, 0x71, 0x75, 0xc7, 0x4a} }
 
 [Protocols.common]

diff --git a/ArmPkg/ArmPkg.dsc b/ArmPkg/ArmPkg.dsc
@@ -185,6 +185,7 @@
   ArmPkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmCoreEntryPoint.inf
   # MU_CHANGE [END]
   ArmPkg/Drivers/MmCommunicationPei/MmCommunicationPei.inf
+  ArmPkg/Drivers/SmmuDxe/SmmuDxe.inf
 
 [Components.AARCH64]
   ArmPkg/Drivers/ArmPsciMpServicesDxe/ArmPsciMpServicesDxe.inf