diff --git a/include/plat/arm/board/common/board_arm_def.h b/include/plat/arm/board/common/board_arm_def.h
index dae5418..b4e4313 100644
--- a/include/plat/arm/board/common/board_arm_def.h
+++ b/include/plat/arm/board/common/board_arm_def.h
@@ -53,6 +53,8 @@
 # else
 #  define PLATFORM_STACK_SIZE 0x400
 # endif
+#elif IMAGE_BL2U
+# define PLATFORM_STACK_SIZE 0x200
 #elif IMAGE_BL31
 # define PLATFORM_STACK_SIZE 0x400
 #elif IMAGE_BL32
@@ -85,6 +87,13 @@
 #  define PLAT_ARM_MMAP_ENTRIES		8
 # endif
 #endif
+#if IMAGE_BL2U
+# if PLAT_fvp
+#  define PLAT_ARM_MMAP_ENTRIES		3
+# else
+#  define PLAT_ARM_MMAP_ENTRIES		4
+#endif
+#endif
 #if IMAGE_BL31
 #define PLAT_ARM_MMAP_ENTRIES		5
 #endif
@@ -111,6 +120,12 @@
 # else
 #  define MAX_XLAT_TABLES		4
 # endif /* PLAT_ */
+#elif IMAGE_BL2U
+# if PLAT_juno
+#  define MAX_XLAT_TABLES		3
+# else
+#  define MAX_XLAT_TABLES		4
+# endif /* PLAT_ */
 #elif IMAGE_BL31
 # define MAX_XLAT_TABLES		2
 #elif IMAGE_BL32
diff --git a/include/plat/arm/common/plat_arm.h b/include/plat/arm/common/plat_arm.h
index f8541c7..bcb2e2b 100644
--- a/include/plat/arm/common/plat_arm.h
+++ b/include/plat/arm/common/plat_arm.h
@@ -165,6 +165,12 @@
 uint32_t arm_get_spsr_for_bl32_entry(void);
 uint32_t arm_get_spsr_for_bl33_entry(void);
 
+/* BL2U utility functions */
+void arm_bl2u_early_platform_setup(struct meminfo *mem_layout,
+				void *plat_info);
+void arm_bl2u_platform_setup(void);
+void arm_bl2u_plat_arch_setup(void);
+
 /* BL3-1 utility functions */
 void arm_bl31_early_platform_setup(bl31_params_t *from_bl2,
 				void *plat_params_from_bl2);