[edk2] [PATCH v2 edk2-platforms 6/8] SgiClark.Ares: AcpiTables: Add entry for virtio network device

Vijayenthiran Subramaniam vijayenthiran.subramaniam at arm.com
Fri Dec 14 08:58:17 PST 2018


SgiClark Ares include an instance of the virtio network device. Add
a representation for it in the ACPI tables.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Vijayenthiran Subramaniam <vijayenthiran.subramaniam at arm.com>
---
 Platform/ARM/SgiPkg/AcpiTables/SgiClarkAresAcpiTables.inf |  3 +++
 Platform/ARM/SgiPkg/AcpiTables/SgiClarkAres/Dsdt.asl      | 17 +++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/Platform/ARM/SgiPkg/AcpiTables/SgiClarkAresAcpiTables.inf b/Platform/ARM/SgiPkg/AcpiTables/SgiClarkAresAcpiTables.inf
index 10a805e07fd1..d4bacdbc8c85 100644
--- a/Platform/ARM/SgiPkg/AcpiTables/SgiClarkAresAcpiTables.inf
+++ b/Platform/ARM/SgiPkg/AcpiTables/SgiClarkAresAcpiTables.inf
@@ -58,5 +58,8 @@ [FixedPcd]
   gArmSgiTokenSpaceGuid.PcdVirtioBlkBaseAddress
   gArmSgiTokenSpaceGuid.PcdVirtioBlkSize
   gArmSgiTokenSpaceGuid.PcdVirtioBlkInterrupt
+  gArmSgiTokenSpaceGuid.PcdVirtioNetBaseAddress
+  gArmSgiTokenSpaceGuid.PcdVirtioNetSize
+  gArmSgiTokenSpaceGuid.PcdVirtioNetInterrupt
 
   gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress
diff --git a/Platform/ARM/SgiPkg/AcpiTables/SgiClarkAres/Dsdt.asl b/Platform/ARM/SgiPkg/AcpiTables/SgiClarkAres/Dsdt.asl
index af4dc424a77c..69dc33c06b4d 100644
--- a/Platform/ARM/SgiPkg/AcpiTables/SgiClarkAres/Dsdt.asl
+++ b/Platform/ARM/SgiPkg/AcpiTables/SgiClarkAres/Dsdt.asl
@@ -118,5 +118,22 @@ DefinitionBlock ("DsdtTable.aml", "DSDT", 1, "ARMLTD", "ARMSGI",
         }
       })
     }
+
+    // VIRTIO NET
+    Device (VR01) {
+      Name (_HID, "LNRO0005")
+      Name (_UID, 1)
+      Name (_CCA, 1)    // mark the device coherent
+
+      Name (_CRS, ResourceTemplate() {
+        Memory32Fixed (ReadWrite,
+          FixedPcdGet32 (PcdVirtioNetBaseAddress),
+          FixedPcdGet32 (PcdVirtioNetSize)
+        )
+        Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) {
+          FixedPcdGet32 (PcdVirtioNetInterrupt)
+        }
+      })
+    }
   } // Scope(_SB)
 }
-- 
2.7.4



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