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authorChristoph Grenz <christophg+cb@grenz-bonn.de>2011-10-19 02:25:08 +0200
committerStefan Reinauer <stefan.reinauer@coreboot.org>2011-10-28 22:30:06 +0200
commitb9da3cd891b21f0916ccf3e333f9ed77219620d2 (patch)
tree030fdeff641fa37bbc832e7716202251b8d2a8d5 /src
parentcc66d97f505c304e773dea938ac864cd74363292 (diff)
downloadcoreboot-b9da3cd891b21f0916ccf3e333f9ed77219620d2.tar.xz
w83627hf: add method to retrieve wake event source register to ASL include
Add a method WAKS to devtree.asl which returns the wake-up source register to simplify retrieving the wake source e.g. in \_WAK. Change-Id: Ia258f8fc9ff79b18391c55464da73863889e2255 Signed-off-by: Christoph Grenz <christophg+cb@grenz-bonn.de> Reviewed-on: http://review.coreboot.org/297 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src')
-rw-r--r--src/superio/winbond/w83627hf/devtree.asl17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/superio/winbond/w83627hf/devtree.asl b/src/superio/winbond/w83627hf/devtree.asl
index cbc132d467..aa18841e62 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 (0x0A, LDN)
+ Store (CRE3, Local0)
+ EXCM ()
+ Return (Local0)
+ }
}
}