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, 63 insertions, 0 deletions

diff --git a/src/mainboard/google/butterfly/acpi/mainboard.asl b/src/mainboard/google/butterfly/acpi/mainboard.asl
new file mode 100644
index 0000000000..c6e35e8a84
--- /dev/null
+++ b/src/mainboard/google/butterfly/acpi/mainboard.asl
@@ -0,0 +1,63 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 Google Inc.
+ *
+ * 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 (\_SB) {
+	Device (LID0)
+	{
+		Name (_HID, EisaId("PNP0C0D"))
+		Method (_LID, 0)
+		{
+			Store (\_SB.PCI0.LPCB.EC0.LIDF, \LIDS)
+			Return (\LIDS)
+		}
+	}
+
+	Device (PWRB)
+	{
+		Name (_HID, EisaId("PNP0C0C"))
+	}
+
+	Device (TPAD)
+	{
+		Name (_ADR, 0x0)
+		Name (_UID, 1)
+
+		// Report as a Sleep Button device so Linux will
+		// automatically enable it as a wake source
+		Name(_HID, EisaId("PNP0C0E"))
+
+		// Trackpad Wake is GPIO11, wake from S3
+		Name(_PRW, Package(){0x1b, 0x03})
+
+		Name(_CRS, ResourceTemplate()
+		{
+			// PIRQG -> GSI22
+			Interrupt (ResourceConsumer, EDGE, ActiveLow) {22}
+
+			// SMBUS Address 0x67
+			VendorShort (ADDR) {0x67}
+		})
+	}
+
+}
+
+// Battery information
+Name (BATV, "GOOGLE")