AMD Bettong: Add a new AMD FP4 socket mainboard

Add a new mainboard based on AMD's Family 15h Model 60h processor.
TEST: Bettong can boot Ubuntu 14.10, Windows 7 and Windows 8.

Change-Id: Id807369ff0f04ba303383c65ddd1bd512f184e6a
Signed-off-by: WANG Siyuan <wangsiyuanbuaa@gmail.com>
Signed-off-by: WANG Siyuan <SiYuan.Wang@amd.com>
Reviewed-on: http://review.coreboot.org/10420
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/mainboard/amd/bettong/mainboard.c

@@ -0,0 +1,38 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Advanced Micro Devices, 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.
+ */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <arch/acpi.h>
+#include <agesawrapper.h>
+
+/*************************************************
+ * enable the dedicated function in bettong board.
+ *************************************************/
+static void bettong_enable(device_t dev)
+{
+	printk(BIOS_INFO, "Mainboard " CONFIG_MAINBOARD_PART_NUMBER " Enable.\n");
+
+	if (acpi_is_wakeup_s3())
+		agesawrapper_fchs3earlyrestore();
+}
+
+struct chip_operations mainboard_ops = {
+	.enable_dev = bettong_enable,
+};