drivers/pc80: Add ACPI description.

AT controller needs an ACPI node, otherwise FreeBSD doesn't detect keyboard
and mouse. Currently each SuperIO adds its own description. This one should
be used in the future instead.

Change-Id: Iaad5ed3846c6d9f467a02a286a1e6f60a3607af5
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4518
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>

src/drivers/pc80/ps2_controller.asl

@@ -0,0 +1,51 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (c) 2013 Vladimir Serbinenko
+ *
+ * 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
+ */
+	Device (PS2K)		// Keyboard
+	{
+		Name(_HID, EISAID("PNP0303"))
+		Name(_CID, EISAID("PNP030B"))
+
+		Name(_CRS, ResourceTemplate()
+		{
+			IO (Decode16, 0x60, 0x60, 0x01, 0x01)
+			IO (Decode16, 0x64, 0x64, 0x01, 0x01)
+			IRQ (Edge, ActiveHigh, Exclusive) { 0x01 } // IRQ 1
+		})
+
+		Method (_STA, 0)
+		{
+			Return (0xf)
+		}
+	}
+
+	Device (PS2M)		// Mouse
+	{
+		Name(_HID, EISAID("PNP0F13"))
+		Name(_CRS, ResourceTemplate()
+		{
+			IRQ (Edge, ActiveHigh, Exclusive) { 0x0c } // IRQ 12
+		})
+
+		Method(_STA, 0)
+		{
+			Return (0xf)
+		}
+	}