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-rw-r--r--src/southbridge/intel/lynxpoint/acpi/usb.asl16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/southbridge/intel/lynxpoint/acpi/usb.asl b/src/southbridge/intel/lynxpoint/acpi/usb.asl
index b02cbfea3b..85e439036f 100644
--- a/src/southbridge/intel/lynxpoint/acpi/usb.asl
+++ b/src/southbridge/intel/lynxpoint/acpi/usb.asl
@@ -393,6 +393,22 @@ Device (XHCI)
{
Name (_ADR, 0x00000000)
+ // GPLD: Generate Port Location Data (PLD)
+ Method (GPLD, 1, Serialized) {
+ Name (PCKG, Package (0x01) {
+ Buffer (0x10) {}
+ })
+
+ // REV: Revision 0x02 for ACPI 5.0
+ CreateField (DerefOf (Index (PCKG, Zero)), Zero, 0x07, REV)
+ Store (0x02, REV)
+
+ // VISI: Port visibility to user per port
+ CreateField (DerefOf (Index (PCKG, Zero)), 0x40, One, VISI)
+ Store (Arg0, VISI)
+ Return (PCKG)
+ }
+
// How many are there?
Device (PRT1) { Name (_ADR, 1) } // USB Port 0
Device (PRT2) { Name (_ADR, 2) } // USB Port 1