diff options
Diffstat (limited to 'src/soc/intel/broadwell/acpi/xhci.asl')
| -rw-r--r-- | src/soc/intel/broadwell/acpi/xhci.asl | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/soc/intel/broadwell/acpi/xhci.asl b/src/soc/intel/broadwell/acpi/xhci.asl index 53b3956908..d638a27d30 100644 --- a/src/soc/intel/broadwell/acpi/xhci.asl +++ b/src/soc/intel/broadwell/acpi/xhci.asl @@ -355,6 +355,22 @@ 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) + } + Device (PRT1) { Name (_ADR, 1) } // USB Port 0 Device (PRT2) { Name (_ADR, 2) } // USB Port 1 Device (PRT3) { Name (_ADR, 3) } // USB Port 2 |