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diff --git a/src/mainboard/google/pit/exynos5420.h b/src/mainboard/google/pit/exynos5420.h
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+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2013 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
+ */
+
+/* I2C */
+#define I2C_0_SPEED 100000
+#define I2C_SLAVE 0
+
+/* Voltages */
+#define VDD_ARM_MV 1300 // 1.3V
+#define VDD_INT_UV 1012500 // 1.0125V
+#define VDD_MIF_MV 1000 // 1.0V
+#define VDD_G3D_MV 1200 // 1.2V
+#define VDD_LDO2_MV 1500 // 1.5V
+#define VDD_LDO3_MV 1800 // 1.8V
+#define VDD_LDO5_MV 1800 // 1.8V
+#define VDD_LDO10_MV 1800 // 1.8V
+