[PATCH v2 edk2-platforms 3/4] Platform/ARM/Sgi: Add ACPI description of virtio block device

[Thomas Abraham <thomas.abraham@arm.com>]

From: Daniil Egranov <daniil.egranov@arm.com>

SGI platforms include an instance of the virtio block device. So add
a representation for it in the ACPI tables.

Contributed-under: TianoCore Contribution Agreement 1.1
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Signed-off-by: Daniil Egranov <daniil.egranov@arm.com>
---
 Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl
index c5b662d..3e1068d 100644
--- a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl
+++ b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl
@@ -96,4 +96,16 @@ DefinitionBlock("DsdtTable.aml", "DSDT", 1, "ARMLTD", "SGI575", EFI_ACPI_ARM_OEM
       })
     }
   } // Scope(_SB)
+
+  // VIRTIO DISK
+  Device (VR00) {
+    Name (_HID, "LNRO0005")
+    Name (_UID, 0)
+    Name (_CCA, 1)    // mark the device coherent
+
+    Name (_CRS, ResourceTemplate() {
+      Memory32Fixed (ReadWrite, 0x1c130000, 0x10000)
+      Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) { 202 }
+    })
+  }
 }
-- 
2.7.4