[coreboot] New patch to review for coreboot: 9dcc23d w83627hf: add method to retrive wake event source register to ASL include

[Christoph Grenz]

Christoph Grenz ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/297

-gerrit

commit 9dcc23d61a765a6967dc0351754eebedbedab7ac
Author: Christoph Grenz 
Date:   Wed Oct 19 02:25:08 2011 +0200

w83627hf: add method to retrive wake event source register to ASL include

Add a method WAKS to devtree.asl which returns the wake-up status register
    to simplify retrieving the wake source e.g. in _WAK.

Change-Id: Ia258f8fc9ff79b18391c55464da73863889e2255
    Signed-off-by: Christoph Grenz 
---
 src/superio/winbond/w83627hf/devtree.asl |   17 +++++++++++++++++
 1 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/src/superio/winbond/w83627hf/devtree.asl b/src/superio/winbond/w83627hf/devtree.asl
index cbc132d..2e31de5 100644
--- a/src/superio/winbond/w83627hf/devtree.asl
+++ b/src/superio/winbond/w83627hf/devtree.asl
@@ -1503,5 +1503,22 @@ Scope (_SB)
    		}
    	}
    	#endif
+
+		/* Returns the wake source register.
+		   It is cleared after reading.
+		   Bit 0: Keyboard wake-up event
+		   Bit 1: Mouse wake-up event
+		   Bit 2: Power button event
+		   Bit 3: CIR wake-up event
+		   Bit 4: Power loss event
+		   Bit 5: VSB power loss status
+		*/
+		Method (WAKS) {
+			ENCM ()
+			Store (0x0B, LDN)
+			Store (CRE3, Local0)
+			EXCM ()
+			Return (Local0)
+		}
    }
 }