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diff --git a/src/mainboard/amd/olivehillplus/mainboard.c b/src/mainboard/amd/olivehillplus/mainboard.c
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+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <arch/io.h>
+#include <device/pci_def.h>
+#include <arch/acpi.h>
+#include "BiosCallOuts.h"
+#include <cpu/amd/agesa/s3_resume.h>
+#include "agesawrapper.h"
+#include <cpu/x86/msr.h>
+#include <cpu/amd/mtrr.h>
+
+/**********************************************
+ * enable the dedicated function in mainboard.
+ **********************************************/
+static void mainboard_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 = mainboard_enable,
+};