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

[Vijayenthiran Subramaniam <vijayenthiran.subramaniam@arm.com>]

SgiClark Helios 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@arm.com>
---
 Platform/ARM/SgiPkg/AcpiTables/SgiClarkHeliosAcpiTables.inf |  3 +++
 Platform/ARM/SgiPkg/AcpiTables/SgiClarkHelios/Dsdt.asl      | 18 ++++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/Platform/ARM/SgiPkg/AcpiTables/SgiClarkHeliosAcpiTables.inf b/Platform/ARM/SgiPkg/AcpiTables/SgiClarkHeliosAcpiTables.inf
index 3686e91bb7e7..8b45702b7cd3 100644
--- a/Platform/ARM/SgiPkg/AcpiTables/SgiClarkHeliosAcpiTables.inf
+++ b/Platform/ARM/SgiPkg/AcpiTables/SgiClarkHeliosAcpiTables.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/SgiClarkHelios/Dsdt.asl b/Platform/ARM/SgiPkg/AcpiTables/SgiClarkHelios/Dsdt.asl
index 3dcf6f71eadb..7cfc419eb3a2 100644
--- a/Platform/ARM/SgiPkg/AcpiTables/SgiClarkHelios/Dsdt.asl
+++ b/Platform/ARM/SgiPkg/AcpiTables/SgiClarkHelios/Dsdt.asl
@@ -264,5 +264,23 @@ 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