Add support for "Butterfly" Chromebook

We're happy to announce coreboot support for the "Butterfly"
Chromebook, a.k.a HP Pavilion Chromebook.

More information at:
http://www.google.com/intl/en/chrome/devices/hp-pavilion-chromebook.html

This commit also includes support for the ENE KB3940Q embedded controller
running on Quanta's firmware.

Change-Id: I194f847a94005218ec04eeba091c3257ac459510
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/2359
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Tested-by: build bot (Jenkins)

1 files changed, 57 insertions, 0 deletions

diff --git a/src/ec/quanta/ene_kb3940q/acpi/superio.asl b/src/ec/quanta/ene_kb3940q/acpi/superio.asl
new file mode 100644
index 0000000000..db4b4128f1
--- /dev/null
+++ b/src/ec/quanta/ene_kb3940q/acpi/superio.asl
@@ -0,0 +1,57 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 The ChromiumOS Authors.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+// Scope is \_SB.PCI0.LPCB
+
+Device (SIO) {
+	Name (_UID, 0)
+	Name (_ADR, 0)
+
+
+#ifdef SIO_EC_ENABLE_PS2K
+	Device (PS2K)		// Keyboard
+	{
+		Name (_UID, 0)
+		Name (_ADR, 0)
+		Name (_HID, EISAID("PNP0303"))
+		Name (_CID, EISAID("PNP030B"))
+
+		Method (_STA, 0, NotSerialized) {
+			Return (0x0F)
+		}
+
+		Name (_CRS, ResourceTemplate()
+		{
+			FixedIO (0x60, 0x01)
+			FixedIO (0x64, 0x01)
+			IRQNoFlags () {1}
+		})
+
+		Name (_PRS, ResourceTemplate()
+		{
+			StartDependentFn (0, 0) {
+				FixedIO (0x60, 0x01)
+				FixedIO (0x64, 0x01)
+				IRQNoFlags () {1}
+			}
+			EndDependentFn ()
+		})
+	}
+#endif
+}