diff --git a/plat/intel/soc/stratix10/aarch64/stratix10_private.h b/plat/intel/soc/stratix10/aarch64/stratix10_private.h
new file mode 100644
index 0000000..89851ef
--- /dev/null
+++ b/plat/intel/soc/stratix10/aarch64/stratix10_private.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __S10_PRIVATE_H__
+#define __S10_PRIVATE_H__
+
+#define S10_MMC_REG_BASE	0xff808000
+
+#define EMMC_DESC_SIZE		(1<<20)
+#define EMMC_INIT_PARAMS(base)			\
+	{	.bus_width = MMC_BUS_WIDTH_4,	\
+		.clk_rate = 50000000,		\
+		.desc_base = (base),		\
+		.desc_size = EMMC_DESC_SIZE,	\
+		.flags = 0,			\
+		.reg_base = S10_MMC_REG_BASE,	\
+		\
+	}
+
+typedef enum {
+	BOOT_SOURCE_FPGA = 0,
+	BOOT_SOURCE_SDMMC,
+	BOOT_SOURCE_NAND,
+	BOOT_SOURCE_RSVD,
+	BOOT_SOURCE_QSPI,
+} boot_source_type;
+
+void enable_nonsecure_access(void);
+void stratix10_io_setup(void);
+
+#endif