KabylakeOpenBoardPkg: Add TBT support.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Vishal P Adodariya <vishal.p.adodariya@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

1 files changed, 12 insertions, 1 deletions

diff --git a/Platform/Intel/KabylakeOpenBoardPkg/Acpi/BoardAcpiDxe/Dsdt/Gpe.asl b/Platform/Intel/KabylakeOpenBoardPkg/Acpi/BoardAcpiDxe/Dsdt/Gpe.asl
index a365882f6d..8433c1fcab 100644
--- a/Platform/Intel/KabylakeOpenBoardPkg/Acpi/BoardAcpiDxe/Dsdt/Gpe.asl
+++ b/Platform/Intel/KabylakeOpenBoardPkg/Acpi/BoardAcpiDxe/Dsdt/Gpe.asl
@@ -25,6 +25,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
   External(\_SB.PCI0.PEG1.HPME, MethodObj)

   External(\_SB.PCI0.PEG2.HPME, MethodObj)

   External(\_GPE.AL6F, MethodObj)

+  External(\_SB.THDR, MethodObj)

   External(\_GPE.P0L6, MethodObj)

   External(\_GPE.P1L6, MethodObj)

   External(\_GPE.P2L6, MethodObj)

@@ -34,6 +35,9 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
   External(P0WK)

   External(P1WK)

   External(P2WK)

+  External(\CPG0)

+  External(\RPS0)

+  External(\RPT0)

   External(\_PR.HWPI, IntObj)

   External(\_PR.DTSI, IntObj)

 

@@ -841,5 +845,12 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
       \_SB.PCI0.GFX0.GSCI() // Handle the SWSCI

     }

   }

-

+  //

+  // BIOS Needs to implement appropriate handler based on CIO_PLUG_EVENT GPIO

+  // This is generic 2-tier GPIO handler

+  //

+  Method(_L6F)

+  {

+    \_SB.THDR(\CPG0,\RPS0,\RPT0) // Check for TBT Hotplug Handler event (2-tier GPI GPE event architecture)

+  }

 }