diff --git a/plat/socionext/uniphier/include/platform_def.h b/plat/socionext/uniphier/include/platform_def.h
index 9b006a9..301aa14 100644
--- a/plat/socionext/uniphier/include/platform_def.h
+++ b/plat/socionext/uniphier/include/platform_def.h
@@ -9,6 +9,7 @@
 
 #include <common_def.h>
 #include <tbbr/tbbr_img_def.h>
+#include <utils_def.h>
 
 #define PLATFORM_STACK_SIZE		0x1000
 
@@ -27,21 +28,21 @@
 #define PLAT_MAX_OFF_STATE		2
 #define PLAT_MAX_RET_STATE		1
 
-#define BL2_BASE			0x80000000
-#define BL2_LIMIT			0x80080000
+#define BL2_BASE			ULL(0x80000000)
+#define BL2_LIMIT			ULL(0x80080000)
 
 /* 0x80080000-0x81000000: reserved for DSP */
 
-#define UNIPHIER_SEC_DRAM_BASE		0x81000000
-#define UNIPHIER_SEC_DRAM_LIMIT		0x82000000
+#define UNIPHIER_SEC_DRAM_BASE		0x81000000ULL
+#define UNIPHIER_SEC_DRAM_LIMIT		0x82000000ULL
 #define UNIPHIER_SEC_DRAM_SIZE		((UNIPHIER_SEC_DRAM_LIMIT) - \
 					 (UNIPHIER_SEC_DRAM_BASE))
 
-#define BL31_BASE			0x81000000
-#define BL31_LIMIT			0x81080000
+#define BL31_BASE			ULL(0x81000000)
+#define BL31_LIMIT			ULL(0x81080000)
 
-#define BL32_BASE			0x81080000
-#define BL32_LIMIT			0x81180000
+#define BL32_BASE			ULL(0x81080000)
+#define BL32_LIMIT			ULL(0x81180000)
 
 #define PLAT_PHY_ADDR_SPACE_SIZE	(1ULL << 32)
 #define PLAT_VIRT_ADDR_SPACE_SIZE	(1ULL << 32)
diff --git a/plat/socionext/uniphier/uniphier_io_storage.c b/plat/socionext/uniphier/uniphier_io_storage.c
index 90f16a9..ed1f6fa 100644
--- a/plat/socionext/uniphier/uniphier_io_storage.c
+++ b/plat/socionext/uniphier/uniphier_io_storage.c
@@ -18,11 +18,11 @@
 
 #include "uniphier.h"
 
-#define UNIPHIER_ROM_REGION_BASE	0x00000000
-#define UNIPHIER_ROM_REGION_SIZE	0x10000000
+#define UNIPHIER_ROM_REGION_BASE	0x00000000ULL
+#define UNIPHIER_ROM_REGION_SIZE	0x10000000ULL
 
-#define UNIPHIER_OCM_REGION_BASE	0x30000000
-#define UNIPHIER_OCM_REGION_SIZE	0x00040000
+#define UNIPHIER_OCM_REGION_BASE	0x30000000ULL
+#define UNIPHIER_OCM_REGION_SIZE	0x00040000ULL
 
 static const io_dev_connector_t *uniphier_fip_dev_con;
 static uintptr_t uniphier_fip_dev_handle;
diff --git a/plat/socionext/uniphier/uniphier_xlat_setup.c b/plat/socionext/uniphier/uniphier_xlat_setup.c
index 631ca6d..3112ecd 100644
--- a/plat/socionext/uniphier/uniphier_xlat_setup.c
+++ b/plat/socionext/uniphier/uniphier_xlat_setup.c
@@ -8,8 +8,8 @@
 #include <platform_def.h>
 #include <xlat_tables_v2.h>
 
-#define UNIPHIER_REG_REGION_BASE	0x50000000
-#define UNIPHIER_REG_REGION_SIZE	0x20000000
+#define UNIPHIER_REG_REGION_BASE	0x50000000ULL
+#define UNIPHIER_REG_REGION_SIZE	0x20000000ULL
 
 void uniphier_mmap_setup(uintptr_t total_base, size_t total_size,
 			 const struct mmap_region *mmap)