New patch to review for coreboot: 04e9db9 baytrail: Add default _OSC method

[Aaron Durbin]

Aaron Durbin ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/4939

-gerrit

commit 04e9db9a91e2c8e56de59e6aa6945bf9c8925d16
Author: Duncan Laurie 
Date:   Mon Nov 4 17:28:19 2013 -0800

baytrail: Add default _OSC method

This is needed to let the kernel know it can control everything
    and not to disable features.

BUG=chrome-os-partner:23505
    BRANCH=rambi
    TEST=build and boot on rambi

Change-Id: I40ff15bb931a9be7c31509ec84489083b5af0a82
    Signed-off-by: Duncan Laurie 
    Reviewed-on: https://chromium-review.googlesource.com/175629
    Reviewed-by: Aaron Durbin 
    Signed-off-by: Aaron Durbin 
---
 src/soc/intel/baytrail/acpi/southcluster.asl | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/soc/intel/baytrail/acpi/southcluster.asl b/src/soc/intel/baytrail/acpi/southcluster.asl
index 5e0d31a..b936fa4 100644
--- a/src/soc/intel/baytrail/acpi/southcluster.asl
+++ b/src/soc/intel/baytrail/acpi/southcluster.asl
@@ -193,3 +193,20 @@ Device (PDRC)
    	Return(PDRS)
    }
 }
+
+Method (_OSC, 4)
+{
+	/* Check for proper GUID */
+	If (LEqual (Arg0, ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766")))
+	{
+		/* Let OS control everything */
+		Return (Arg3)
+	}
+	Else
+	{
+		/* Unrecognized UUID */
+		CreateDWordField (Arg3, 0, CDW1)
+		Or (CDW1, 4, CDW1)
+		Return (Arg3)
+	}
+}