[coreboot-gerrit] Change in coreboot[master]: sb/bd82x6x: add ACPI method to generate USB port info

[Martin Roth (Code Review)]

Martin Roth has submitted this change and it was merged. ( https://review.coreboot.org/19962 )

Change subject: sb/bd82x6x: add ACPI method to generate USB port info
......................................................................

sb/bd82x6x: add ACPI method to generate USB port info

Add ACPI method GPLD to generate port location data when
passed visiblity info.  Will be used by _PLD method in
board-specific USB .asl files.

Change-Id: Ib83660d6548112ceb6c75a31e5ce6c4a6041ccfb
Signed-off-by: Matt DeVillier 
Reviewed-on: https://review.coreboot.org/19962
Tested-by: build bot (Jenkins) 
Reviewed-by: Martin Roth 
---
M src/southbridge/intel/bd82x6x/acpi/usb.asl
1 file changed, 40 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Martin Roth: Looks good to me, approved

diff --git a/src/southbridge/intel/bd82x6x/acpi/usb.asl b/src/southbridge/intel/bd82x6x/acpi/usb.asl
index e76acb8..5f78e3e 100644
--- a/src/southbridge/intel/bd82x6x/acpi/usb.asl
+++ b/src/southbridge/intel/bd82x6x/acpi/usb.asl
@@ -40,6 +40,27 @@
    {
    	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
@@ -74,6 +95,25 @@
    {
    	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