diff --git a/plat/nxp/common/include/default/plat_default_def.h b/plat/nxp/common/include/default/plat_default_def.h
new file mode 100644
index 0000000..dd5dfe0
--- /dev/null
+++ b/plat/nxp/common/include/default/plat_default_def.h
@@ -0,0 +1,164 @@
+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef PLAT_DEFAULT_DEF_H
+#define PLAT_DEFAULT_DEF_H
+
+/*
+ * Platform binary types for linking
+ */
+#ifdef __aarch64__
+#define PLATFORM_LINKER_FORMAT          "elf64-littleaarch64"
+#define PLATFORM_LINKER_ARCH            aarch64
+#else
+#define PLATFORM_LINKER_FORMAT          "elf32-littlearm"
+#define PLATFORM_LINKER_ARCH            arm
+#endif /* __aarch64__ */
+
+#define LS_BL31_PLAT_PARAM_VAL		0x0f1e2d3c4b5a6978ULL
+
+/* NXP Platforms have DRAM divided into banks.
+ * DRAM0 Bank:	Maximum size of this bank is fixed to 2GB
+ * DRAM1 Bank:	Greater than 2GB belongs to bank1 and size of bank1 varies from
+ *		one platform to other platform.
+ * DRAMn Bank:
+ *
+ * Except a few, all the platforms have 2GB size as DRAM0 BANK.
+ * Hence common for all the platforms.
+ * For platforms where DRAM0 Size is < 2GB, it is defined in platform_def.h
+ */
+#ifndef PLAT_DEF_DRAM0_SIZE
+#define PLAT_DEF_DRAM0_SIZE	0x80000000	/*  2G */
+#endif
+
+/* This is common for all platforms where: */
+#ifndef NXP_NS_DRAM_ADDR
+#define NXP_NS_DRAM_ADDR	NXP_DRAM0_ADDR
+#endif
+
+/* 64M is reserved for Secure memory
+ */
+#ifndef NXP_SECURE_DRAM_SIZE
+#define NXP_SECURE_DRAM_SIZE	(64 * 1024 * 1024)
+#endif
+
+/* 2M Secure EL1 Payload Shared Memory */
+#ifndef NXP_SP_SHRD_DRAM_SIZE
+#define NXP_SP_SHRD_DRAM_SIZE	(2 * 1024 * 1024)
+#endif
+
+#ifndef NXP_NS_DRAM_SIZE
+/* Non secure memory */
+#define NXP_NS_DRAM_SIZE	(PLAT_DEF_DRAM0_SIZE - \
+				(NXP_SECURE_DRAM_SIZE + NXP_SP_SHRD_DRAM_SIZE))
+#endif
+
+#ifndef NXP_SECURE_DRAM_ADDR
+#ifdef TEST_BL31
+#define NXP_SECURE_DRAM_ADDR 0
+#else
+#define NXP_SECURE_DRAM_ADDR	(NXP_NS_DRAM_ADDR + PLAT_DEF_DRAM0_SIZE - \
+				(NXP_SECURE_DRAM_SIZE  + NXP_SP_SHRD_DRAM_SIZE))
+#endif
+#endif
+
+#ifndef NXP_SP_SHRD_DRAM_ADDR
+#define NXP_SP_SHRD_DRAM_ADDR	(NXP_NS_DRAM_ADDR + PLAT_DEF_DRAM0_SIZE \
+				- NXP_SP_SHRD_DRAM_SIZE)
+#endif
+
+#ifndef BL31_BASE
+/* 2 MB reserved in secure memory for DDR */
+#define BL31_BASE		NXP_SECURE_DRAM_ADDR
+#endif
+
+#ifndef BL31_SIZE
+#define BL31_SIZE		(0x200000)
+#endif
+
+#ifndef BL31_LIMIT
+#define BL31_LIMIT		(BL31_BASE + BL31_SIZE)
+#endif
+
+/* Put BL32 in secure memory */
+#ifndef BL32_BASE
+#define BL32_BASE		(NXP_SECURE_DRAM_ADDR + BL31_SIZE)
+#endif
+
+#ifndef BL32_LIMIT
+#define BL32_LIMIT		(NXP_SECURE_DRAM_ADDR + \
+				NXP_SECURE_DRAM_SIZE + NXP_SP_SHRD_DRAM_SIZE)
+#endif
+
+/* BL33 memory region */
+/* Hardcoded based on current address in u-boot */
+#ifndef BL33_BASE
+#define BL33_BASE		0x82000000
+#endif
+
+#ifndef BL33_LIMIT
+#define BL33_LIMIT		(NXP_NS_DRAM_ADDR + NXP_NS_DRAM_SIZE)
+#endif
+
+/*
+ * FIP image defines - Offset at which FIP Image would be present
+ * Image would include Bl31 , Bl33 and Bl32 (optional)
+ */
+#ifdef POLICY_FUSE_PROVISION
+#ifndef FUSE_BUF
+#define FUSE_BUF		ULL(0x81000000)
+#endif
+
+#ifndef FUSE_SZ
+#define FUSE_SZ			0x80000
+#endif
+#endif
+
+#ifndef MAX_FIP_DEVICES
+#define MAX_FIP_DEVICES		2
+#endif
+
+#ifndef PLAT_FIP_OFFSET
+#define PLAT_FIP_OFFSET		0x100000
+#endif
+
+#ifndef PLAT_FIP_MAX_SIZE
+#define PLAT_FIP_MAX_SIZE	0x400000
+#endif
+
+/* Check if this size can be determined from array size */
+#if defined(IMAGE_BL2)
+#ifndef MAX_MMAP_REGIONS
+#define MAX_MMAP_REGIONS	8
+#endif
+#ifndef MAX_XLAT_TABLES
+#define MAX_XLAT_TABLES		6
+#endif
+#elif defined(IMAGE_BL31)
+#ifndef MAX_MMAP_REGIONS
+#define MAX_MMAP_REGIONS	9
+#endif
+#ifndef MAX_XLAT_TABLES
+#define MAX_XLAT_TABLES		9
+#endif
+#elif defined(IMAGE_BL32)
+#ifndef MAX_MMAP_REGIONS
+#define MAX_MMAP_REGIONS	8
+#endif
+#ifndef MAX_XLAT_TABLES
+#define MAX_XLAT_TABLES		9
+#endif
+#endif
+
+/*
+ * ID of the secure physical generic timer interrupt used by the BL32.
+ */
+#ifndef BL32_IRQ_SEC_PHY_TIMER
+#define BL32_IRQ_SEC_PHY_TIMER	29
+#endif
+
+#endif	/*	PLAT_DEFAULT_DEF_H	*/