diff --git a/include/lib/aarch64/arch.h b/include/lib/aarch64/arch.h
index 16adcf7..e84c888 100644
--- a/include/lib/aarch64/arch.h
+++ b/include/lib/aarch64/arch.h
@@ -12,35 +12,35 @@
 /*******************************************************************************
  * MIDR bit definitions
  ******************************************************************************/
-#define MIDR_IMPL_MASK		0xff
-#define MIDR_IMPL_SHIFT		0x18
-#define MIDR_VAR_SHIFT		20
-#define MIDR_VAR_BITS		4
-#define MIDR_VAR_MASK		0xf
-#define MIDR_REV_SHIFT		0
-#define MIDR_REV_BITS		4
-#define MIDR_REV_MASK		0xf
-#define MIDR_PN_MASK		0xfff
-#define MIDR_PN_SHIFT		0x4
+#define MIDR_IMPL_MASK		U(0xff)
+#define MIDR_IMPL_SHIFT		U(0x18)
+#define MIDR_VAR_SHIFT		U(20)
+#define MIDR_VAR_BITS		U(4)
+#define MIDR_VAR_MASK		U(0xf)
+#define MIDR_REV_SHIFT		U(0)
+#define MIDR_REV_BITS		U(4)
+#define MIDR_REV_MASK		U(0xf)
+#define MIDR_PN_MASK		U(0xfff)
+#define MIDR_PN_SHIFT		U(0x4)
 
 /*******************************************************************************
  * MPIDR macros
  ******************************************************************************/
-#define MPIDR_MT_MASK		(1 << 24)
+#define MPIDR_MT_MASK		(U(1) << 24)
 #define MPIDR_CPU_MASK		MPIDR_AFFLVL_MASK
-#define MPIDR_CLUSTER_MASK	MPIDR_AFFLVL_MASK << MPIDR_AFFINITY_BITS
-#define MPIDR_AFFINITY_BITS	8
-#define MPIDR_AFFLVL_MASK	0xff
-#define MPIDR_AFF0_SHIFT	0
-#define MPIDR_AFF1_SHIFT	8
-#define MPIDR_AFF2_SHIFT	16
-#define MPIDR_AFF3_SHIFT	32
-#define MPIDR_AFFINITY_MASK	0xff00ffffff
-#define MPIDR_AFFLVL_SHIFT	3
-#define MPIDR_AFFLVL0		0
-#define MPIDR_AFFLVL1		1
-#define MPIDR_AFFLVL2		2
-#define MPIDR_AFFLVL3		3
+#define MPIDR_CLUSTER_MASK	(MPIDR_AFFLVL_MASK << MPIDR_AFFINITY_BITS)
+#define MPIDR_AFFINITY_BITS	U(8)
+#define MPIDR_AFFLVL_MASK	U(0xff)
+#define MPIDR_AFF0_SHIFT	U(0)
+#define MPIDR_AFF1_SHIFT	U(8)
+#define MPIDR_AFF2_SHIFT	U(16)
+#define MPIDR_AFF3_SHIFT	U(32)
+#define MPIDR_AFFINITY_MASK	U(0xff00ffffff)
+#define MPIDR_AFFLVL_SHIFT	U(3)
+#define MPIDR_AFFLVL0		U(0)
+#define MPIDR_AFFLVL1		U(1)
+#define MPIDR_AFFLVL2		U(2)
+#define MPIDR_AFFLVL3		U(3)
 #define MPIDR_AFFLVL0_VAL(mpidr) \
 		((mpidr >> MPIDR_AFF0_SHIFT) & MPIDR_AFFLVL_MASK)
 #define MPIDR_AFFLVL1_VAL(mpidr) \
@@ -54,10 +54,10 @@
  * add one while using this macro to define array sizes.
  * TODO: Support only the first 3 affinity levels for now.
  */
-#define MPIDR_MAX_AFFLVL	2
+#define MPIDR_MAX_AFFLVL	U(2)
 
 /* Constant to highlight the assumption that MPIDR allocation starts from 0 */
-#define FIRST_MPIDR		0
+#define FIRST_MPIDR		U(0)
 
 /*******************************************************************************
  * Definitions for CPU system register interface to GICv3
@@ -80,164 +80,164 @@
 /*******************************************************************************
  * Generic timer memory mapped registers & offsets
  ******************************************************************************/
-#define CNTCR_OFF			0x000
-#define CNTFID_OFF			0x020
+#define CNTCR_OFF			U(0x000)
+#define CNTFID_OFF			U(0x020)
 
-#define CNTCR_EN			(1 << 0)
-#define CNTCR_HDBG			(1 << 1)
+#define CNTCR_EN			(U(1) << 0)
+#define CNTCR_HDBG			(U(1) << 1)
 #define CNTCR_FCREQ(x)			((x) << 8)
 
 /*******************************************************************************
  * System register bit definitions
  ******************************************************************************/
 /* CLIDR definitions */
-#define LOUIS_SHIFT		21
-#define LOC_SHIFT		24
-#define CLIDR_FIELD_WIDTH	3
+#define LOUIS_SHIFT		U(21)
+#define LOC_SHIFT		U(24)
+#define CLIDR_FIELD_WIDTH	U(3)
 
 /* CSSELR definitions */
-#define LEVEL_SHIFT		1
+#define LEVEL_SHIFT		U(1)
 
 /* D$ set/way op type defines */
-#define DCISW			0x0
-#define DCCISW			0x1
-#define DCCSW			0x2
+#define DCISW			U(0x0)
+#define DCCISW			U(0x1)
+#define DCCSW			U(0x2)
 
 /* ID_AA64PFR0_EL1 definitions */
-#define ID_AA64PFR0_EL0_SHIFT	0
-#define ID_AA64PFR0_EL1_SHIFT	4
-#define ID_AA64PFR0_EL2_SHIFT	8
-#define ID_AA64PFR0_EL3_SHIFT	12
-#define ID_AA64PFR0_ELX_MASK	0xf
+#define ID_AA64PFR0_EL0_SHIFT	U(0)
+#define ID_AA64PFR0_EL1_SHIFT	U(4)
+#define ID_AA64PFR0_EL2_SHIFT	U(8)
+#define ID_AA64PFR0_EL3_SHIFT	U(12)
+#define ID_AA64PFR0_ELX_MASK	U(0xf)
 
-#define EL_IMPL_NONE		0
-#define EL_IMPL_A64ONLY		1
-#define EL_IMPL_A64_A32		2
+#define EL_IMPL_NONE		U(0)
+#define EL_IMPL_A64ONLY		U(1)
+#define EL_IMPL_A64_A32		U(2)
 
-#define ID_AA64PFR0_GIC_SHIFT	24
-#define ID_AA64PFR0_GIC_WIDTH	4
-#define ID_AA64PFR0_GIC_MASK	((1 << ID_AA64PFR0_GIC_WIDTH) - 1)
+#define ID_AA64PFR0_GIC_SHIFT	U(24)
+#define ID_AA64PFR0_GIC_WIDTH	U(4)
+#define ID_AA64PFR0_GIC_MASK	((U(1) << ID_AA64PFR0_GIC_WIDTH) - 1)
 
 /* ID_AA64MMFR0_EL1 definitions */
-#define ID_AA64MMFR0_EL1_PARANGE_MASK	0xf
+#define ID_AA64MMFR0_EL1_PARANGE_MASK	U(0xf)
 
-#define PARANGE_0000	32
-#define PARANGE_0001	36
-#define PARANGE_0010	40
-#define PARANGE_0011	42
-#define PARANGE_0100	44
-#define PARANGE_0101	48
+#define PARANGE_0000	U(32)
+#define PARANGE_0001	U(36)
+#define PARANGE_0010	U(40)
+#define PARANGE_0011	U(42)
+#define PARANGE_0100	U(44)
+#define PARANGE_0101	U(48)
 
 /* ID_PFR1_EL1 definitions */
-#define ID_PFR1_VIRTEXT_SHIFT	12
-#define ID_PFR1_VIRTEXT_MASK	0xf
+#define ID_PFR1_VIRTEXT_SHIFT	U(12)
+#define ID_PFR1_VIRTEXT_MASK	U(0xf)
 #define GET_VIRT_EXT(id)	((id >> ID_PFR1_VIRTEXT_SHIFT) \
 				 & ID_PFR1_VIRTEXT_MASK)
 
 /* SCTLR definitions */
-#define SCTLR_EL2_RES1  ((1 << 29) | (1 << 28) | (1 << 23) | (1 << 22) | \
-			(1 << 18) | (1 << 16) | (1 << 11) | (1 << 5) |  \
-			(1 << 4))
+#define SCTLR_EL2_RES1  ((U(1) << 29) | (U(1) << 28) | (U(1) << 23) | \
+			 (U(1) << 22) | (U(1) << 18) | (U(1) << 16) | \
+			 (U(1) << 11) | (U(1) << 5) | (U(1) << 4))
 
-#define SCTLR_EL1_RES1  ((1 << 29) | (1 << 28) | (1 << 23) | (1 << 22) | \
-			(1 << 20) | (1 << 11))
+#define SCTLR_EL1_RES1  ((U(1) << 29) | (U(1) << 28) | (U(1) << 23) | \
+			 (U(1) << 22) | (U(1) << 20) | (U(1) << 11))
 #define SCTLR_AARCH32_EL1_RES1 \
-			((1 << 23) | (1 << 22) | (1 << 11) | (1 << 4) | \
-			(1 << 3))
+			((U(1) << 23) | (U(1) << 22) | (U(1) << 11) | \
+			 (U(1) << 4) | (U(1) << 3))
 
-#define SCTLR_M_BIT		(1 << 0)
-#define SCTLR_A_BIT		(1 << 1)
-#define SCTLR_C_BIT		(1 << 2)
-#define SCTLR_SA_BIT		(1 << 3)
-#define SCTLR_CP15BEN_BIT	(1 << 5)
-#define SCTLR_I_BIT		(1 << 12)
-#define SCTLR_NTWI_BIT		(1 << 16)
-#define SCTLR_NTWE_BIT		(1 << 18)
-#define SCTLR_WXN_BIT		(1 << 19)
-#define SCTLR_EE_BIT		(1 << 25)
+#define SCTLR_M_BIT		(U(1) << 0)
+#define SCTLR_A_BIT		(U(1) << 1)
+#define SCTLR_C_BIT		(U(1) << 2)
+#define SCTLR_SA_BIT		(U(1) << 3)
+#define SCTLR_CP15BEN_BIT	(U(1) << 5)
+#define SCTLR_I_BIT		(U(1) << 12)
+#define SCTLR_NTWI_BIT		(U(1) << 16)
+#define SCTLR_NTWE_BIT		(U(1) << 18)
+#define SCTLR_WXN_BIT		(U(1) << 19)
+#define SCTLR_EE_BIT		(U(1) << 25)
 
 /* CPACR_El1 definitions */
-#define CPACR_EL1_FPEN(x)	(x << 20)
-#define CPACR_EL1_FP_TRAP_EL0	0x1
-#define CPACR_EL1_FP_TRAP_ALL	0x2
-#define CPACR_EL1_FP_TRAP_NONE	0x3
+#define CPACR_EL1_FPEN(x)	((x) << 20)
+#define CPACR_EL1_FP_TRAP_EL0	U(0x1)
+#define CPACR_EL1_FP_TRAP_ALL	U(0x2)
+#define CPACR_EL1_FP_TRAP_NONE	U(0x3)
 
 /* SCR definitions */
-#define SCR_RES1_BITS		((1 << 4) | (1 << 5))
-#define SCR_TWE_BIT		(1 << 13)
-#define SCR_TWI_BIT		(1 << 12)
-#define SCR_ST_BIT		(1 << 11)
-#define SCR_RW_BIT		(1 << 10)
-#define SCR_SIF_BIT		(1 << 9)
-#define SCR_HCE_BIT		(1 << 8)
-#define SCR_SMD_BIT		(1 << 7)
-#define SCR_EA_BIT		(1 << 3)
-#define SCR_FIQ_BIT		(1 << 2)
-#define SCR_IRQ_BIT		(1 << 1)
-#define SCR_NS_BIT		(1 << 0)
-#define SCR_VALID_BIT_MASK	0x2f8f
+#define SCR_RES1_BITS		((U(1) << 4) | (U(1) << 5))
+#define SCR_TWE_BIT		(U(1) << 13)
+#define SCR_TWI_BIT		(U(1) << 12)
+#define SCR_ST_BIT		(U(1) << 11)
+#define SCR_RW_BIT		(U(1) << 10)
+#define SCR_SIF_BIT		(U(1) << 9)
+#define SCR_HCE_BIT		(U(1) << 8)
+#define SCR_SMD_BIT		(U(1) << 7)
+#define SCR_EA_BIT		(U(1) << 3)
+#define SCR_FIQ_BIT		(U(1) << 2)
+#define SCR_IRQ_BIT		(U(1) << 1)
+#define SCR_NS_BIT		(U(1) << 0)
+#define SCR_VALID_BIT_MASK	U(0x2f8f)
 
 /* MDCR definitions */
 #define MDCR_SPD32(x)		((x) << 14)
-#define MDCR_SPD32_LEGACY	0x0
-#define MDCR_SPD32_DISABLE	0x2
-#define MDCR_SPD32_ENABLE	0x3
-#define MDCR_SDD_BIT		(1 << 16)
+#define MDCR_SPD32_LEGACY	U(0x0)
+#define MDCR_SPD32_DISABLE	U(0x2)
+#define MDCR_SPD32_ENABLE	U(0x3)
+#define MDCR_SDD_BIT		(U(1) << 16)
 
 #define MDCR_DEF_VAL		(MDCR_SDD_BIT | MDCR_SPD32(MDCR_SPD32_DISABLE))
 
 /* HCR definitions */
-#define HCR_RW_SHIFT		31
-#define HCR_RW_BIT		(1ull << HCR_RW_SHIFT)
-#define HCR_AMO_BIT		(1 << 5)
-#define HCR_IMO_BIT		(1 << 4)
-#define HCR_FMO_BIT		(1 << 3)
+#define HCR_RW_SHIFT		U(31)
+#define HCR_RW_BIT		(ULL(1) << HCR_RW_SHIFT)
+#define HCR_AMO_BIT		(U(1) << 5)
+#define HCR_IMO_BIT		(U(1) << 4)
+#define HCR_FMO_BIT		(U(1) << 3)
 
 /* ISR definitions */
-#define ISR_A_SHIFT		8
-#define ISR_I_SHIFT		7
-#define ISR_F_SHIFT		6
+#define ISR_A_SHIFT		U(8)
+#define ISR_I_SHIFT		U(7)
+#define ISR_F_SHIFT		U(6)
 
 /* CNTHCTL_EL2 definitions */
-#define EVNTEN_BIT		(1 << 2)
-#define EL1PCEN_BIT		(1 << 1)
-#define EL1PCTEN_BIT		(1 << 0)
+#define EVNTEN_BIT		(U(1) << 2)
+#define EL1PCEN_BIT		(U(1) << 1)
+#define EL1PCTEN_BIT		(U(1) << 0)
 
 /* CNTKCTL_EL1 definitions */
-#define EL0PTEN_BIT		(1 << 9)
-#define EL0VTEN_BIT		(1 << 8)
-#define EL0PCTEN_BIT		(1 << 0)
-#define EL0VCTEN_BIT		(1 << 1)
-#define EVNTEN_BIT		(1 << 2)
-#define EVNTDIR_BIT		(1 << 3)
-#define EVNTI_SHIFT		4
-#define EVNTI_MASK		0xf
+#define EL0PTEN_BIT		(U(1) << 9)
+#define EL0VTEN_BIT		(U(1) << 8)
+#define EL0PCTEN_BIT		(U(1) << 0)
+#define EL0VCTEN_BIT		(U(1) << 1)
+#define EVNTEN_BIT		(U(1) << 2)
+#define EVNTDIR_BIT		(U(1) << 3)
+#define EVNTI_SHIFT		U(4)
+#define EVNTI_MASK		U(0xf)
 
 /* CPTR_EL3 definitions */
-#define TCPAC_BIT		(1 << 31)
-#define TTA_BIT			(1 << 20)
-#define TFP_BIT			(1 << 10)
+#define TCPAC_BIT		(U(1) << 31)
+#define TTA_BIT			(U(1) << 20)
+#define TFP_BIT			(U(1) << 10)
 
 /* CPSR/SPSR definitions */
-#define DAIF_FIQ_BIT		(1 << 0)
-#define DAIF_IRQ_BIT		(1 << 1)
-#define DAIF_ABT_BIT		(1 << 2)
-#define DAIF_DBG_BIT		(1 << 3)
-#define SPSR_DAIF_SHIFT		6
-#define SPSR_DAIF_MASK		0xf
+#define DAIF_FIQ_BIT		(U(1) << 0)
+#define DAIF_IRQ_BIT		(U(1) << 1)
+#define DAIF_ABT_BIT		(U(1) << 2)
+#define DAIF_DBG_BIT		(U(1) << 3)
+#define SPSR_DAIF_SHIFT		U(6)
+#define SPSR_DAIF_MASK		U(0xf)
 
-#define SPSR_AIF_SHIFT		6
-#define SPSR_AIF_MASK		0x7
+#define SPSR_AIF_SHIFT		U(6)
+#define SPSR_AIF_MASK		U(0x7)
 
-#define SPSR_E_SHIFT		9
-#define SPSR_E_MASK			0x1
-#define SPSR_E_LITTLE		0x0
-#define SPSR_E_BIG			0x1
+#define SPSR_E_SHIFT		U(9)
+#define SPSR_E_MASK		U(0x1)
+#define SPSR_E_LITTLE		U(0x0)
+#define SPSR_E_BIG		U(0x1)
 
-#define SPSR_T_SHIFT		5
-#define SPSR_T_MASK			0x1
-#define SPSR_T_ARM			0x0
-#define SPSR_T_THUMB		0x1
+#define SPSR_T_SHIFT		U(5)
+#define SPSR_T_MASK		U(0x1)
+#define SPSR_T_ARM		U(0x0)
+#define SPSR_T_THUMB		U(0x1)
 
 #define DISABLE_ALL_EXCEPTIONS \
 		(DAIF_FIQ_BIT | DAIF_IRQ_BIT | DAIF_ABT_BIT | DAIF_DBG_BIT)
@@ -245,81 +245,81 @@
 /*
  * RMR_EL3 definitions
  */
-#define RMR_EL3_RR_BIT		(1 << 1)
-#define RMR_EL3_AA64_BIT	(1 << 0)
+#define RMR_EL3_RR_BIT		(U(1) << 1)
+#define RMR_EL3_AA64_BIT	(U(1) << 0)
 
 /*
  * HI-VECTOR address for AArch32 state
  */
-#define HI_VECTOR_BASE	(0xFFFF0000)
+#define HI_VECTOR_BASE	U(0xFFFF0000)
 
 /*
  * TCR defintions
  */
 #define TCR_EL3_RES1		((1UL << 31) | (1UL << 23))
-#define TCR_EL1_IPS_SHIFT	32
-#define TCR_EL3_PS_SHIFT	16
+#define TCR_EL1_IPS_SHIFT	U(32)
+#define TCR_EL3_PS_SHIFT	U(16)
 
-#define TCR_TxSZ_MIN		16
-#define TCR_TxSZ_MAX		39
+#define TCR_TxSZ_MIN		U(16)
+#define TCR_TxSZ_MAX		U(39)
 
 /* (internal) physical address size bits in EL3/EL1 */
-#define TCR_PS_BITS_4GB		(0x0)
-#define TCR_PS_BITS_64GB	(0x1)
-#define TCR_PS_BITS_1TB		(0x2)
-#define TCR_PS_BITS_4TB		(0x3)
-#define TCR_PS_BITS_16TB	(0x4)
-#define TCR_PS_BITS_256TB	(0x5)
+#define TCR_PS_BITS_4GB		U(0x0)
+#define TCR_PS_BITS_64GB	U(0x1)
+#define TCR_PS_BITS_1TB		U(0x2)
+#define TCR_PS_BITS_4TB		U(0x3)
+#define TCR_PS_BITS_16TB	U(0x4)
+#define TCR_PS_BITS_256TB	U(0x5)
 
-#define ADDR_MASK_48_TO_63	0xFFFF000000000000UL
-#define ADDR_MASK_44_TO_47	0x0000F00000000000UL
-#define ADDR_MASK_42_TO_43	0x00000C0000000000UL
-#define ADDR_MASK_40_TO_41	0x0000030000000000UL
-#define ADDR_MASK_36_TO_39	0x000000F000000000UL
-#define ADDR_MASK_32_TO_35	0x0000000F00000000UL
+#define ADDR_MASK_48_TO_63	ULL(0xFFFF000000000000)
+#define ADDR_MASK_44_TO_47	ULL(0x0000F00000000000)
+#define ADDR_MASK_42_TO_43	ULL(0x00000C0000000000)
+#define ADDR_MASK_40_TO_41	ULL(0x0000030000000000)
+#define ADDR_MASK_36_TO_39	ULL(0x000000F000000000)
+#define ADDR_MASK_32_TO_35	ULL(0x0000000F00000000)
 
-#define TCR_RGN_INNER_NC	(0x0 << 8)
-#define TCR_RGN_INNER_WBA	(0x1 << 8)
-#define TCR_RGN_INNER_WT	(0x2 << 8)
-#define TCR_RGN_INNER_WBNA	(0x3 << 8)
+#define TCR_RGN_INNER_NC	(U(0x0) << 8)
+#define TCR_RGN_INNER_WBA	(U(0x1) << 8)
+#define TCR_RGN_INNER_WT	(U(0x2) << 8)
+#define TCR_RGN_INNER_WBNA	(U(0x3) << 8)
 
-#define TCR_RGN_OUTER_NC	(0x0 << 10)
-#define TCR_RGN_OUTER_WBA	(0x1 << 10)
-#define TCR_RGN_OUTER_WT	(0x2 << 10)
-#define TCR_RGN_OUTER_WBNA	(0x3 << 10)
+#define TCR_RGN_OUTER_NC	(U(0x0) << 10)
+#define TCR_RGN_OUTER_WBA	(U(0x1) << 10)
+#define TCR_RGN_OUTER_WT	(U(0x2) << 10)
+#define TCR_RGN_OUTER_WBNA	(U(0x3) << 10)
 
-#define TCR_SH_NON_SHAREABLE	(0x0 << 12)
-#define TCR_SH_OUTER_SHAREABLE	(0x2 << 12)
-#define TCR_SH_INNER_SHAREABLE	(0x3 << 12)
+#define TCR_SH_NON_SHAREABLE	(U(0x0) << 12)
+#define TCR_SH_OUTER_SHAREABLE	(U(0x2) << 12)
+#define TCR_SH_INNER_SHAREABLE	(U(0x3) << 12)
 
-#define MODE_SP_SHIFT		0x0
-#define MODE_SP_MASK		0x1
-#define MODE_SP_EL0		0x0
-#define MODE_SP_ELX		0x1
+#define MODE_SP_SHIFT		U(0x0)
+#define MODE_SP_MASK		U(0x1)
+#define MODE_SP_EL0		U(0x0)
+#define MODE_SP_ELX		U(0x1)
 
-#define MODE_RW_SHIFT		0x4
-#define MODE_RW_MASK		0x1
-#define MODE_RW_64			0x0
-#define MODE_RW_32			0x1
+#define MODE_RW_SHIFT		U(0x4)
+#define MODE_RW_MASK		U(0x1)
+#define MODE_RW_64		U(0x0)
+#define MODE_RW_32		U(0x1)
 
-#define MODE_EL_SHIFT		0x2
-#define MODE_EL_MASK		0x3
-#define MODE_EL3		0x3
-#define MODE_EL2		0x2
-#define MODE_EL1		0x1
-#define MODE_EL0		0x0
+#define MODE_EL_SHIFT		U(0x2)
+#define MODE_EL_MASK		U(0x3)
+#define MODE_EL3		U(0x3)
+#define MODE_EL2		U(0x2)
+#define MODE_EL1		U(0x1)
+#define MODE_EL0		U(0x0)
 
-#define MODE32_SHIFT		0
-#define MODE32_MASK		0xf
-#define MODE32_usr		0x0
-#define MODE32_fiq		0x1
-#define MODE32_irq		0x2
-#define MODE32_svc		0x3
-#define MODE32_mon		0x6
-#define MODE32_abt		0x7
-#define MODE32_hyp		0xa
-#define MODE32_und		0xb
-#define MODE32_sys		0xf
+#define MODE32_SHIFT		U(0)
+#define MODE32_MASK		U(0xf)
+#define MODE32_usr		U(0x0)
+#define MODE32_fiq		U(0x1)
+#define MODE32_irq		U(0x2)
+#define MODE32_svc		U(0x3)
+#define MODE32_mon		U(0x6)
+#define MODE32_abt		U(0x7)
+#define MODE32_hyp		U(0xa)
+#define MODE32_und		U(0xb)
+#define MODE32_sys		U(0xf)
 
 #define GET_RW(mode)		(((mode) >> MODE_RW_SHIFT) & MODE_RW_MASK)
 #define GET_EL(mode)		(((mode) >> MODE_EL_SHIFT) & MODE_EL_MASK)
@@ -333,93 +333,93 @@
 	((daif) & SPSR_DAIF_MASK) << SPSR_DAIF_SHIFT)
 
 #define SPSR_MODE32(mode, isa, endian, aif)		\
-	(MODE_RW_32 << MODE_RW_SHIFT |			\
-	((mode) & MODE32_MASK) << MODE32_SHIFT |	\
-	((isa) & SPSR_T_MASK) << SPSR_T_SHIFT |		\
-	((endian) & SPSR_E_MASK) << SPSR_E_SHIFT |	\
-	((aif) & SPSR_AIF_MASK) << SPSR_AIF_SHIFT)
+	((MODE_RW_32 << MODE_RW_SHIFT) |		\
+	(((mode) & MODE32_MASK) << MODE32_SHIFT) |	\
+	(((isa) & SPSR_T_MASK) << SPSR_T_SHIFT) |	\
+	(((endian) & SPSR_E_MASK) << SPSR_E_SHIFT) |	\
+	(((aif) & SPSR_AIF_MASK) << SPSR_AIF_SHIFT))
 
 /*
  * CTR_EL0 definitions
  */
-#define CTR_CWG_SHIFT		24
-#define CTR_CWG_MASK		0xf
-#define CTR_ERG_SHIFT		20
-#define CTR_ERG_MASK		0xf
-#define CTR_DMINLINE_SHIFT	16
-#define CTR_DMINLINE_MASK	0xf
-#define CTR_L1IP_SHIFT		14
-#define CTR_L1IP_MASK		0x3
-#define CTR_IMINLINE_SHIFT	0
-#define CTR_IMINLINE_MASK	0xf
+#define CTR_CWG_SHIFT		U(24)
+#define CTR_CWG_MASK		U(0xf)
+#define CTR_ERG_SHIFT		U(20)
+#define CTR_ERG_MASK		U(0xf)
+#define CTR_DMINLINE_SHIFT	U(16)
+#define CTR_DMINLINE_MASK	U(0xf)
+#define CTR_L1IP_SHIFT		U(14)
+#define CTR_L1IP_MASK		U(0x3)
+#define CTR_IMINLINE_SHIFT	U(0)
+#define CTR_IMINLINE_MASK	U(0xf)
 
-#define MAX_CACHE_LINE_SIZE	0x800 /* 2KB */
+#define MAX_CACHE_LINE_SIZE	U(0x800) /* 2KB */
 
 /* Physical timer control register bit fields shifts and masks */
-#define CNTP_CTL_ENABLE_SHIFT   0
-#define CNTP_CTL_IMASK_SHIFT    1
-#define CNTP_CTL_ISTATUS_SHIFT  2
+#define CNTP_CTL_ENABLE_SHIFT   U(0)
+#define CNTP_CTL_IMASK_SHIFT    U(1)
+#define CNTP_CTL_ISTATUS_SHIFT  U(2)
 
-#define CNTP_CTL_ENABLE_MASK    1
-#define CNTP_CTL_IMASK_MASK     1
-#define CNTP_CTL_ISTATUS_MASK   1
+#define CNTP_CTL_ENABLE_MASK    U(1)
+#define CNTP_CTL_IMASK_MASK     U(1)
+#define CNTP_CTL_ISTATUS_MASK   U(1)
 
-#define get_cntp_ctl_enable(x)  ((x >> CNTP_CTL_ENABLE_SHIFT) & \
+#define get_cntp_ctl_enable(x)  (((x) >> CNTP_CTL_ENABLE_SHIFT) & \
 					CNTP_CTL_ENABLE_MASK)
-#define get_cntp_ctl_imask(x)   ((x >> CNTP_CTL_IMASK_SHIFT) & \
+#define get_cntp_ctl_imask(x)   (((x) >> CNTP_CTL_IMASK_SHIFT) & \
 					CNTP_CTL_IMASK_MASK)
-#define get_cntp_ctl_istatus(x) ((x >> CNTP_CTL_ISTATUS_SHIFT) & \
+#define get_cntp_ctl_istatus(x) (((x) >> CNTP_CTL_ISTATUS_SHIFT) & \
 					CNTP_CTL_ISTATUS_MASK)
 
-#define set_cntp_ctl_enable(x)  (x |= 1 << CNTP_CTL_ENABLE_SHIFT)
-#define set_cntp_ctl_imask(x)   (x |= 1 << CNTP_CTL_IMASK_SHIFT)
+#define set_cntp_ctl_enable(x)  ((x) |= (U(1) << CNTP_CTL_ENABLE_SHIFT))
+#define set_cntp_ctl_imask(x)   ((x) |= (U(1) << CNTP_CTL_IMASK_SHIFT))
 
-#define clr_cntp_ctl_enable(x)  (x &= ~(1 << CNTP_CTL_ENABLE_SHIFT))
-#define clr_cntp_ctl_imask(x)   (x &= ~(1 << CNTP_CTL_IMASK_SHIFT))
+#define clr_cntp_ctl_enable(x)  ((x) &= ~(U(1) << CNTP_CTL_ENABLE_SHIFT))
+#define clr_cntp_ctl_imask(x)   ((x) &= ~(U(1) << CNTP_CTL_IMASK_SHIFT))
 
 /* Exception Syndrome register bits and bobs */
-#define ESR_EC_SHIFT			26
-#define ESR_EC_MASK			0x3f
-#define ESR_EC_LENGTH			6
-#define EC_UNKNOWN			0x0
-#define EC_WFE_WFI			0x1
-#define EC_AARCH32_CP15_MRC_MCR		0x3
-#define EC_AARCH32_CP15_MRRC_MCRR	0x4
-#define EC_AARCH32_CP14_MRC_MCR		0x5
-#define EC_AARCH32_CP14_LDC_STC		0x6
-#define EC_FP_SIMD			0x7
-#define EC_AARCH32_CP10_MRC		0x8
-#define EC_AARCH32_CP14_MRRC_MCRR	0xc
-#define EC_ILLEGAL			0xe
-#define EC_AARCH32_SVC			0x11
-#define EC_AARCH32_HVC			0x12
-#define EC_AARCH32_SMC			0x13
-#define EC_AARCH64_SVC			0x15
-#define EC_AARCH64_HVC			0x16
-#define EC_AARCH64_SMC			0x17
-#define EC_AARCH64_SYS			0x18
-#define EC_IABORT_LOWER_EL		0x20
-#define EC_IABORT_CUR_EL		0x21
-#define EC_PC_ALIGN			0x22
-#define EC_DABORT_LOWER_EL		0x24
-#define EC_DABORT_CUR_EL		0x25
-#define EC_SP_ALIGN			0x26
-#define EC_AARCH32_FP			0x28
-#define EC_AARCH64_FP			0x2c
-#define EC_SERROR			0x2f
+#define ESR_EC_SHIFT			U(26)
+#define ESR_EC_MASK			U(0x3f)
+#define ESR_EC_LENGTH			U(6)
+#define EC_UNKNOWN			U(0x0)
+#define EC_WFE_WFI			U(0x1)
+#define EC_AARCH32_CP15_MRC_MCR		U(0x3)
+#define EC_AARCH32_CP15_MRRC_MCRR	U(0x4)
+#define EC_AARCH32_CP14_MRC_MCR		U(0x5)
+#define EC_AARCH32_CP14_LDC_STC		U(0x6)
+#define EC_FP_SIMD			U(0x7)
+#define EC_AARCH32_CP10_MRC		U(0x8)
+#define EC_AARCH32_CP14_MRRC_MCRR	U(0xc)
+#define EC_ILLEGAL			U(0xe)
+#define EC_AARCH32_SVC			U(0x11)
+#define EC_AARCH32_HVC			U(0x12)
+#define EC_AARCH32_SMC			U(0x13)
+#define EC_AARCH64_SVC			U(0x15)
+#define EC_AARCH64_HVC			U(0x16)
+#define EC_AARCH64_SMC			U(0x17)
+#define EC_AARCH64_SYS			U(0x18)
+#define EC_IABORT_LOWER_EL		U(0x20)
+#define EC_IABORT_CUR_EL		U(0x21)
+#define EC_PC_ALIGN			U(0x22)
+#define EC_DABORT_LOWER_EL		U(0x24)
+#define EC_DABORT_CUR_EL		U(0x25)
+#define EC_SP_ALIGN			U(0x26)
+#define EC_AARCH32_FP			U(0x28)
+#define EC_AARCH64_FP			U(0x2c)
+#define EC_SERROR			U(0x2f)
 
-#define EC_BITS(x)			(x >> ESR_EC_SHIFT) & ESR_EC_MASK
+#define EC_BITS(x)			(((x) >> ESR_EC_SHIFT) & ESR_EC_MASK)
 
 /* Reset bit inside the Reset management register for EL3 (RMR_EL3) */
-#define RMR_RESET_REQUEST_SHIFT 	0x1u
-#define RMR_WARM_RESET_CPU		(1u << RMR_RESET_REQUEST_SHIFT)
+#define RMR_RESET_REQUEST_SHIFT 	U(0x1)
+#define RMR_WARM_RESET_CPU		(U(1) << RMR_RESET_REQUEST_SHIFT)
 
 /*******************************************************************************
  * Definitions of register offsets, fields and macros for CPU system
  * instructions.
  ******************************************************************************/
 
-#define TLBI_ADDR_SHIFT		12
+#define TLBI_ADDR_SHIFT		U(12)
 #define TLBI_ADDR_MASK		ULL(0x00000FFFFFFFFFFF)
 #define TLBI_ADDR(x)		(((x) >> TLBI_ADDR_SHIFT) & TLBI_ADDR_MASK)
 
@@ -427,20 +427,20 @@
  * Definitions of register offsets and fields in the CNTCTLBase Frame of the
  * system level implementation of the Generic Timer.
  ******************************************************************************/
-#define CNTNSAR			0x4
-#define CNTNSAR_NS_SHIFT(x)	x
+#define CNTNSAR			U(0x4)
+#define CNTNSAR_NS_SHIFT(x)	(x)
 
-#define CNTACR_BASE(x)		(0x40 + (x << 2))
-#define CNTACR_RPCT_SHIFT	0x0
-#define CNTACR_RVCT_SHIFT	0x1
-#define CNTACR_RFRQ_SHIFT	0x2
-#define CNTACR_RVOFF_SHIFT	0x3
-#define CNTACR_RWVT_SHIFT	0x4
-#define CNTACR_RWPT_SHIFT	0x5
+#define CNTACR_BASE(x)		(U(0x40) + ((x) << 2))
+#define CNTACR_RPCT_SHIFT	U(0x0)
+#define CNTACR_RVCT_SHIFT	U(0x1)
+#define CNTACR_RFRQ_SHIFT	U(0x2)
+#define CNTACR_RVOFF_SHIFT	U(0x3)
+#define CNTACR_RWVT_SHIFT	U(0x4)
+#define CNTACR_RWPT_SHIFT	U(0x5)
 
 /* PMCR_EL0 definitions */
-#define PMCR_EL0_N_SHIFT	11
-#define PMCR_EL0_N_MASK		0x1f
+#define PMCR_EL0_N_SHIFT	U(11)
+#define PMCR_EL0_N_MASK		U(0x1f)
 #define PMCR_EL0_N_BITS		(PMCR_EL0_N_MASK << PMCR_EL0_N_SHIFT)
 
 #endif /* __ARCH_H__ */
diff --git a/include/lib/aarch64/smcc_helpers.h b/include/lib/aarch64/smcc_helpers.h
index ea2f707..62294d0 100644
--- a/include/lib/aarch64/smcc_helpers.h
+++ b/include/lib/aarch64/smcc_helpers.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -17,35 +17,35 @@
 	return (uint64_t) (_h);					\
 }
 #define SMC_RET1(_h, _x0)	{				\
-	write_ctx_reg(get_gpregs_ctx(_h), CTX_GPREG_X0, (_x0));	\
+	write_ctx_reg((get_gpregs_ctx(_h)), (CTX_GPREG_X0), (_x0));	\
 	SMC_RET0(_h);						\
 }
 #define SMC_RET2(_h, _x0, _x1)	{				\
-	write_ctx_reg(get_gpregs_ctx(_h), CTX_GPREG_X1, (_x1));	\
+	write_ctx_reg((get_gpregs_ctx(_h)), (CTX_GPREG_X1), (_x1));	\
 	SMC_RET1(_h, (_x0));					\
 }
 #define SMC_RET3(_h, _x0, _x1, _x2)	{			\
-	write_ctx_reg(get_gpregs_ctx(_h), CTX_GPREG_X2, (_x2));	\
+	write_ctx_reg((get_gpregs_ctx(_h)), (CTX_GPREG_X2), (_x2));	\
 	SMC_RET2(_h, (_x0), (_x1));				\
 }
 #define SMC_RET4(_h, _x0, _x1, _x2, _x3)	{		\
-	write_ctx_reg(get_gpregs_ctx(_h), CTX_GPREG_X3, (_x3));	\
+	write_ctx_reg((get_gpregs_ctx(_h)), (CTX_GPREG_X3), (_x3));	\
 	SMC_RET3(_h, (_x0), (_x1), (_x2));			\
 }
 #define SMC_RET5(_h, _x0, _x1, _x2, _x3, _x4)	{		\
-	write_ctx_reg(get_gpregs_ctx(_h), CTX_GPREG_X4, (_x4));	\
+	write_ctx_reg((get_gpregs_ctx(_h)), (CTX_GPREG_X4), (_x4));	\
 	SMC_RET4(_h, (_x0), (_x1), (_x2), (_x3));		\
 }
 #define SMC_RET6(_h, _x0, _x1, _x2, _x3, _x4, _x5)	{	\
-	write_ctx_reg(get_gpregs_ctx(_h), CTX_GPREG_X5, (_x5));	\
+	write_ctx_reg((get_gpregs_ctx(_h)), (CTX_GPREG_X5), (_x5));	\
 	SMC_RET5(_h, (_x0), (_x1), (_x2), (_x3), (_x4));	\
 }
 #define SMC_RET7(_h, _x0, _x1, _x2, _x3, _x4, _x5, _x6)	{	\
-	write_ctx_reg(get_gpregs_ctx(_h), CTX_GPREG_X6, (_x6));	\
+	write_ctx_reg((get_gpregs_ctx(_h)), (CTX_GPREG_X6), (_x6));	\
 	SMC_RET6(_h, (_x0), (_x1), (_x2), (_x3), (_x4), (_x5));	\
 }
 #define SMC_RET8(_h, _x0, _x1, _x2, _x3, _x4, _x5, _x6, _x7) {	\
-	write_ctx_reg(get_gpregs_ctx(_h), CTX_GPREG_X7, (_x7));	\
+	write_ctx_reg((get_gpregs_ctx(_h)), (CTX_GPREG_X7), (_x7));	\
 	SMC_RET7(_h, (_x0), (_x1), (_x2), (_x3), (_x4), (_x5), (_x6));	\
 }
 
@@ -54,18 +54,18 @@
  * to SMC handler. These take the offset values defined in context.h
  */
 #define SMC_GET_GP(_h, _g)					\
-	read_ctx_reg(get_gpregs_ctx(_h), (_g))
+	read_ctx_reg((get_gpregs_ctx(_h)), (_g))
 #define SMC_SET_GP(_h, _g, _v)					\
-	write_ctx_reg(get_gpregs_ctx(_h), (_g), (_v))
+	write_ctx_reg((get_gpregs_ctx(_h)), (_g), (_v))
 
 /*
  * Convenience macros to access EL3 context registers using handle provided to
  * SMC handler. These take the offset values defined in context.h
  */
 #define SMC_GET_EL3(_h, _e)					\
-	read_ctx_reg(get_el3state_ctx(_h), (_e))
+	read_ctx_reg((get_el3state_ctx(_h)), (_e))
 #define SMC_SET_EL3(_h, _e, _v)					\
-	write_ctx_reg(get_el3state_ctx(_h), (_e), (_v))
+	write_ctx_reg((get_el3state_ctx(_h)), (_e), (_v))
 
 /* Return a UUID in the SMC return registers */
 #define SMC_UUID_RET(_h, _uuid)					\
diff --git a/include/lib/cpus/aarch64/cortex_a53.h b/include/lib/cpus/aarch64/cortex_a53.h
index e87e969..6627dcf 100644
--- a/include/lib/cpus/aarch64/cortex_a53.h
+++ b/include/lib/cpus/aarch64/cortex_a53.h
@@ -8,29 +8,29 @@
 #define __CORTEX_A53_H__
 
 /* Cortex-A53 midr for revision 0 */
-#define CORTEX_A53_MIDR 0x410FD030
+#define CORTEX_A53_MIDR			U(0x410FD030)
 
 /* Retention timer tick definitions */
-#define RETENTION_ENTRY_TICKS_2		0x1
-#define RETENTION_ENTRY_TICKS_8		0x2
-#define RETENTION_ENTRY_TICKS_32	0x3
-#define RETENTION_ENTRY_TICKS_64	0x4
-#define RETENTION_ENTRY_TICKS_128	0x5
-#define RETENTION_ENTRY_TICKS_256	0x6
-#define RETENTION_ENTRY_TICKS_512	0x7
+#define RETENTION_ENTRY_TICKS_2		U(0x1)
+#define RETENTION_ENTRY_TICKS_8		U(0x2)
+#define RETENTION_ENTRY_TICKS_32	U(0x3)
+#define RETENTION_ENTRY_TICKS_64	U(0x4)
+#define RETENTION_ENTRY_TICKS_128	U(0x5)
+#define RETENTION_ENTRY_TICKS_256	U(0x6)
+#define RETENTION_ENTRY_TICKS_512	U(0x7)
 
 /*******************************************************************************
  * CPU Extended Control register specific definitions.
  ******************************************************************************/
 #define CORTEX_A53_ECTLR_EL1		S3_1_C15_C2_1
 
-#define CORTEX_A53_ECTLR_SMP_BIT	(1 << 6)
+#define CORTEX_A53_ECTLR_SMP_BIT	(U(1) << 6)
 
-#define CORTEX_A53_ECTLR_CPU_RET_CTRL_SHIFT	0
-#define CORTEX_A53_ECTLR_CPU_RET_CTRL_MASK	(0x7 << CORTEX_A53_ECTLR_CPU_RET_CTRL_SHIFT)
+#define CORTEX_A53_ECTLR_CPU_RET_CTRL_SHIFT	U(0)
+#define CORTEX_A53_ECTLR_CPU_RET_CTRL_MASK	(U(0x7) << CORTEX_A53_ECTLR_CPU_RET_CTRL_SHIFT)
 
-#define CORTEX_A53_ECTLR_FPU_RET_CTRL_SHIFT	3
-#define CORTEX_A53_ECTLR_FPU_RET_CTRL_MASK	(0x7 << CORTEX_A53_ECTLR_FPU_RET_CTRL_SHIFT)
+#define CORTEX_A53_ECTLR_FPU_RET_CTRL_SHIFT	U(3)
+#define CORTEX_A53_ECTLR_FPU_RET_CTRL_MASK	(U(0x7) << CORTEX_A53_ECTLR_FPU_RET_CTRL_SHIFT)
 
 /*******************************************************************************
  * CPU Memory Error Syndrome register specific definitions.
@@ -42,30 +42,29 @@
  ******************************************************************************/
 #define CORTEX_A53_ACTLR_EL1			S3_1_C15_C2_0
 
-#define CORTEX_A53_ACTLR_ENDCCASCI_SHIFT	44
-#define CORTEX_A53_ACTLR_ENDCCASCI		(1 << CORTEX_A53_ACTLR_ENDCCASCI_SHIFT)
-#define CORTEX_A53_ACTLR_RADIS_SHIFT		27
-#define CORTEX_A53_ACTLR_RADIS			(3 << CORTEX_A53_ACTLR_RADIS_SHIFT)
-#define CORTEX_A53_ACTLR_L1RADIS_SHIFT		25
-#define CORTEX_A53_ACTLR_L1RADIS		(3 << CORTEX_A53_ACTLR_L1RADIS_SHIFT)
-#define CORTEX_A53_ACTLR_DTAH_SHIFT		24
-#define CORTEX_A53_ACTLR_DTAH			(1 << CORTEX_A53_ACTLR_DTAH_SHIFT)
+#define CORTEX_A53_ACTLR_ENDCCASCI_SHIFT	U(44)
+#define CORTEX_A53_ACTLR_ENDCCASCI		(U(1) << CORTEX_A53_ACTLR_ENDCCASCI_SHIFT)
+#define CORTEX_A53_ACTLR_RADIS_SHIFT		U(27)
+#define CORTEX_A53_ACTLR_RADIS			(U(3) << CORTEX_A53_ACTLR_RADIS_SHIFT)
+#define CORTEX_A53_ACTLR_L1RADIS_SHIFT		U(25)
+#define CORTEX_A53_ACTLR_L1RADIS		(U(3) << CORTEX_A53_ACTLR_L1RADIS_SHIFT)
+#define CORTEX_A53_ACTLR_DTAH_SHIFT		U(24)
+#define CORTEX_A53_ACTLR_DTAH			(U(1) << CORTEX_A53_ACTLR_DTAH_SHIFT)
 
 /*******************************************************************************
  * L2 Auxiliary Control register specific definitions.
  ******************************************************************************/
 #define CORTEX_A53_L2ACTLR_EL1			S3_1_C15_C0_0
 
-#define CORTEX_A53_L2ACTLR_ENABLE_UNIQUECLEAN	(1 << 14)
-#define CORTEX_A53_L2ACTLR_DISABLE_CLEAN_PUSH	(1 << 3)
-
+#define CORTEX_A53_L2ACTLR_ENABLE_UNIQUECLEAN	(U(1) << 14)
+#define CORTEX_A53_L2ACTLR_DISABLE_CLEAN_PUSH	(U(1) << 3)
 /*******************************************************************************
  * L2 Extended Control register specific definitions.
  ******************************************************************************/
 #define CORTEX_A53_L2ECTLR_EL1			S3_1_C11_C0_3
 
-#define CORTEX_A53_L2ECTLR_RET_CTRL_SHIFT	0
-#define CORTEX_A53_L2ECTLR_RET_CTRL_MASK	(0x7 << L2ECTLR_RET_CTRL_SHIFT)
+#define CORTEX_A53_L2ECTLR_RET_CTRL_SHIFT	U(0)
+#define CORTEX_A53_L2ECTLR_RET_CTRL_MASK	(U(0x7) << L2ECTLR_RET_CTRL_SHIFT)
 
 /*******************************************************************************
  * L2 Memory Error Syndrome register specific definitions.
diff --git a/include/lib/cpus/aarch64/cortex_a57.h b/include/lib/cpus/aarch64/cortex_a57.h
index 228a91b..20d11e1 100644
--- a/include/lib/cpus/aarch64/cortex_a57.h
+++ b/include/lib/cpus/aarch64/cortex_a57.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2014-2017, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -8,29 +8,29 @@
 #define __CORTEX_A57_H__
 
 /* Cortex-A57 midr for revision 0 */
-#define CORTEX_A57_MIDR 0x410FD070
+#define CORTEX_A57_MIDR			U(0x410FD070)
 
 /* Retention timer tick definitions */
-#define RETENTION_ENTRY_TICKS_2		0x1
-#define RETENTION_ENTRY_TICKS_8		0x2
-#define RETENTION_ENTRY_TICKS_32	0x3
-#define RETENTION_ENTRY_TICKS_64	0x4
-#define RETENTION_ENTRY_TICKS_128	0x5
-#define RETENTION_ENTRY_TICKS_256	0x6
-#define RETENTION_ENTRY_TICKS_512	0x7
+#define RETENTION_ENTRY_TICKS_2		U(0x1)
+#define RETENTION_ENTRY_TICKS_8		U(0x2)
+#define RETENTION_ENTRY_TICKS_32	U(0x3)
+#define RETENTION_ENTRY_TICKS_64	U(0x4)
+#define RETENTION_ENTRY_TICKS_128	U(0x5)
+#define RETENTION_ENTRY_TICKS_256	U(0x6)
+#define RETENTION_ENTRY_TICKS_512	U(0x7)
 
 /*******************************************************************************
  * CPU Extended Control register specific definitions.
  ******************************************************************************/
 #define CORTEX_A57_ECTLR_EL1			S3_1_C15_C2_1
 
-#define CORTEX_A57_ECTLR_SMP_BIT		(1 << 6)
-#define CORTEX_A57_ECTLR_DIS_TWD_ACC_PFTCH_BIT	(1 << 38)
-#define CORTEX_A57_ECTLR_L2_IPFTCH_DIST_MASK	(0x3 << 35)
-#define CORTEX_A57_ECTLR_L2_DPFTCH_DIST_MASK	(0x3 << 32)
+#define CORTEX_A57_ECTLR_SMP_BIT		(U(1) << 6)
+#define CORTEX_A57_ECTLR_DIS_TWD_ACC_PFTCH_BIT	(U(1) << 38)
+#define CORTEX_A57_ECTLR_L2_IPFTCH_DIST_MASK	(U(0x3) << 35)
+#define CORTEX_A57_ECTLR_L2_DPFTCH_DIST_MASK	(U(0x3) << 32)
 
-#define CORTEX_A57_ECTLR_CPU_RET_CTRL_SHIFT	0
-#define CORTEX_A57_ECTLR_CPU_RET_CTRL_MASK	(0x7 << CORTEX_A57_ECTLR_CPU_RET_CTRL_SHIFT)
+#define CORTEX_A57_ECTLR_CPU_RET_CTRL_SHIFT	U(0)
+#define CORTEX_A57_ECTLR_CPU_RET_CTRL_MASK	(U(0x7) << CORTEX_A57_ECTLR_CPU_RET_CTRL_SHIFT)
 
 /*******************************************************************************
  * CPU Memory Error Syndrome register specific definitions.
@@ -42,36 +42,36 @@
  ******************************************************************************/
 #define CORTEX_A57_ACTLR_EL1			S3_1_C15_C2_0
 
-#define CORTEX_A57_ACTLR_DIS_LOAD_PASS_DMB	(1 << 59)
-#define CORTEX_A57_ACTLR_GRE_NGRE_AS_NGNRE	(1 << 54)
-#define CORTEX_A57_ACTLR_DIS_OVERREAD		(1 << 52)
-#define CORTEX_A57_ACTLR_NO_ALLOC_WBWA		(1 << 49)
-#define CORTEX_A57_ACTLR_DCC_AS_DCCI		(1 << 44)
-#define CORTEX_A57_ACTLR_FORCE_FPSCR_FLUSH	(1 << 38)
-#define CORTEX_A57_ACTLR_DIS_STREAMING		(3 << 27)
-#define CORTEX_A57_ACTLR_DIS_L1_STREAMING	(3 << 25)
-#define CORTEX_A57_ACTLR_DIS_INDIRECT_PREDICTOR	(1 << 4)
+#define CORTEX_A57_ACTLR_DIS_LOAD_PASS_DMB	(ULL(1) << 59)
+#define CORTEX_A57_ACTLR_GRE_NGRE_AS_NGNRE	(ULL(1) << 54)
+#define CORTEX_A57_ACTLR_DIS_OVERREAD		(ULL(1) << 52)
+#define CORTEX_A57_ACTLR_NO_ALLOC_WBWA		(ULL(1) << 49)
+#define CORTEX_A57_ACTLR_DCC_AS_DCCI		(ULL(1) << 44)
+#define CORTEX_A57_ACTLR_FORCE_FPSCR_FLUSH	(ULL(1) << 38)
+#define CORTEX_A57_ACTLR_DIS_STREAMING		(ULL(3) << 27)
+#define CORTEX_A57_ACTLR_DIS_L1_STREAMING	(ULL(3) << 25)
+#define CORTEX_A57_ACTLR_DIS_INDIRECT_PREDICTOR	(ULL(1) << 4)
 
 /*******************************************************************************
  * L2 Control register specific definitions.
  ******************************************************************************/
 #define CORTEX_A57_L2CTLR_EL1			S3_1_C11_C0_2
 
-#define CORTEX_A57_L2CTLR_DATA_RAM_LATENCY_SHIFT	0
-#define CORTEX_A57_L2CTLR_TAG_RAM_LATENCY_SHIFT	6
+#define CORTEX_A57_L2CTLR_DATA_RAM_LATENCY_SHIFT	U(0)
+#define CORTEX_A57_L2CTLR_TAG_RAM_LATENCY_SHIFT	U(6)
 
-#define CORTEX_A57_L2_DATA_RAM_LATENCY_3_CYCLES	0x2
-#define CORTEX_A57_L2_TAG_RAM_LATENCY_3_CYCLES	0x2
+#define CORTEX_A57_L2_DATA_RAM_LATENCY_3_CYCLES	U(0x2)
+#define CORTEX_A57_L2_TAG_RAM_LATENCY_3_CYCLES	U(0x2)
 
-#define CORTEX_A57_L2_ECC_PARITY_PROTECTION_BIT	(1 << 21)
+#define CORTEX_A57_L2_ECC_PARITY_PROTECTION_BIT	(U(1) << 21)
 
 /*******************************************************************************
  * L2 Extended Control register specific definitions.
  ******************************************************************************/
 #define CORTEX_A57_L2ECTLR_EL1			S3_1_C11_C0_3
 
-#define CORTEX_A57_L2ECTLR_RET_CTRL_SHIFT	0
-#define CORTEX_A57_L2ECTLR_RET_CTRL_MASK	(0x7 << CORTEX_A57_L2ECTLR_RET_CTRL_SHIFT)
+#define CORTEX_A57_L2ECTLR_RET_CTRL_SHIFT	U(0)
+#define CORTEX_A57_L2ECTLR_RET_CTRL_MASK	(U(0x7) << CORTEX_A57_L2ECTLR_RET_CTRL_SHIFT)
 
 /*******************************************************************************
  * L2 Memory Error Syndrome register specific definitions.
diff --git a/include/lib/cpus/aarch64/denver.h b/include/lib/cpus/aarch64/denver.h
index d582d81..d8c4d2e 100644
--- a/include/lib/cpus/aarch64/denver.h
+++ b/include/lib/cpus/aarch64/denver.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -8,17 +8,17 @@
 #define __DENVER_H__
 
 /* MIDR values for Denver */
-#define DENVER_MIDR_PN0			0x4E0F0000
-#define DENVER_MIDR_PN1			0x4E0F0010
-#define DENVER_MIDR_PN2			0x4E0F0020
-#define DENVER_MIDR_PN3			0x4E0F0030
-#define DENVER_MIDR_PN4			0x4E0F0040
+#define DENVER_MIDR_PN0			U(0x4E0F0000)
+#define DENVER_MIDR_PN1			U(0x4E0F0010)
+#define DENVER_MIDR_PN2			U(0x4E0F0020)
+#define DENVER_MIDR_PN3			U(0x4E0F0030)
+#define DENVER_MIDR_PN4			U(0x4E0F0040)
 
 /* Implementer code in the MIDR register */
-#define DENVER_IMPL			0x4E
+#define DENVER_IMPL			U(0x4E)
 
 /* CPU state ids - implementation defined */
-#define DENVER_CPU_STATE_POWER_DOWN	0x3
+#define DENVER_CPU_STATE_POWER_DOWN	U(0x3)
 
 #ifndef __ASSEMBLY__
 
diff --git a/include/lib/el3_runtime/aarch64/context.h b/include/lib/el3_runtime/aarch64/context.h
index a2ae897..dead971 100644
--- a/include/lib/el3_runtime/aarch64/context.h
+++ b/include/lib/el3_runtime/aarch64/context.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -11,40 +11,40 @@
  * Constants that allow assembler code to access members of and the 'gp_regs'
  * structure at their correct offsets.
  ******************************************************************************/
-#define CTX_GPREGS_OFFSET	0x0
-#define CTX_GPREG_X0		0x0
-#define CTX_GPREG_X1		0x8
-#define CTX_GPREG_X2		0x10
-#define CTX_GPREG_X3		0x18
-#define CTX_GPREG_X4		0x20
-#define CTX_GPREG_X5		0x28
-#define CTX_GPREG_X6		0x30
-#define CTX_GPREG_X7		0x38
-#define CTX_GPREG_X8		0x40
-#define CTX_GPREG_X9		0x48
-#define CTX_GPREG_X10		0x50
-#define CTX_GPREG_X11		0x58
-#define CTX_GPREG_X12		0x60
-#define CTX_GPREG_X13		0x68
-#define CTX_GPREG_X14		0x70
-#define CTX_GPREG_X15		0x78
-#define CTX_GPREG_X16		0x80
-#define CTX_GPREG_X17		0x88
-#define CTX_GPREG_X18		0x90
-#define CTX_GPREG_X19		0x98
-#define CTX_GPREG_X20		0xa0
-#define CTX_GPREG_X21		0xa8
-#define CTX_GPREG_X22		0xb0
-#define CTX_GPREG_X23		0xb8
-#define CTX_GPREG_X24		0xc0
-#define CTX_GPREG_X25		0xc8
-#define CTX_GPREG_X26		0xd0
-#define CTX_GPREG_X27		0xd8
-#define CTX_GPREG_X28		0xe0
-#define CTX_GPREG_X29		0xe8
-#define CTX_GPREG_LR		0xf0
-#define CTX_GPREG_SP_EL0	0xf8
-#define CTX_GPREGS_END		0x100
+#define CTX_GPREGS_OFFSET	U(0x0)
+#define CTX_GPREG_X0		U(0x0)
+#define CTX_GPREG_X1		U(0x8)
+#define CTX_GPREG_X2		U(0x10)
+#define CTX_GPREG_X3		U(0x18)
+#define CTX_GPREG_X4		U(0x20)
+#define CTX_GPREG_X5		U(0x28)
+#define CTX_GPREG_X6		U(0x30)
+#define CTX_GPREG_X7		U(0x38)
+#define CTX_GPREG_X8		U(0x40)
+#define CTX_GPREG_X9		U(0x48)
+#define CTX_GPREG_X10		U(0x50)
+#define CTX_GPREG_X11		U(0x58)
+#define CTX_GPREG_X12		U(0x60)
+#define CTX_GPREG_X13		U(0x68)
+#define CTX_GPREG_X14		U(0x70)
+#define CTX_GPREG_X15		U(0x78)
+#define CTX_GPREG_X16		U(0x80)
+#define CTX_GPREG_X17		U(0x88)
+#define CTX_GPREG_X18		U(0x90)
+#define CTX_GPREG_X19		U(0x98)
+#define CTX_GPREG_X20		U(0xa0)
+#define CTX_GPREG_X21		U(0xa8)
+#define CTX_GPREG_X22		U(0xb0)
+#define CTX_GPREG_X23		U(0xb8)
+#define CTX_GPREG_X24		U(0xc0)
+#define CTX_GPREG_X25		U(0xc8)
+#define CTX_GPREG_X26		U(0xd0)
+#define CTX_GPREG_X27		U(0xd8)
+#define CTX_GPREG_X28		U(0xe0)
+#define CTX_GPREG_X29		U(0xe8)
+#define CTX_GPREG_LR		U(0xf0)
+#define CTX_GPREG_SP_EL0	U(0xf8)
+#define CTX_GPREGS_END		U(0x100)
 
 /*******************************************************************************
  * Constants that allow assembler code to access members of and the 'el3_state'
@@ -52,11 +52,11 @@
  * 32-bits wide but are stored as 64-bit values for convenience
  ******************************************************************************/
 #define CTX_EL3STATE_OFFSET	(CTX_GPREGS_OFFSET + CTX_GPREGS_END)
-#define CTX_SCR_EL3		0x0
-#define CTX_RUNTIME_SP		0x8
-#define CTX_SPSR_EL3		0x10
-#define CTX_ELR_EL3		0x18
-#define CTX_EL3STATE_END	0x20
+#define CTX_SCR_EL3		U(0x0)
+#define CTX_RUNTIME_SP		U(0x8)
+#define CTX_SPSR_EL3		U(0x10)
+#define CTX_ELR_EL3		U(0x18)
+#define CTX_EL3STATE_END	U(0x20)
 
 /*******************************************************************************
  * Constants that allow assembler code to access members of and the
@@ -65,44 +65,44 @@
  * convenience
  ******************************************************************************/
 #define CTX_SYSREGS_OFFSET	(CTX_EL3STATE_OFFSET + CTX_EL3STATE_END)
-#define CTX_SPSR_EL1		0x0
-#define CTX_ELR_EL1		0x8
-#define CTX_SCTLR_EL1		0x10
-#define CTX_ACTLR_EL1		0x18
-#define CTX_CPACR_EL1		0x20
-#define CTX_CSSELR_EL1		0x28
-#define CTX_SP_EL1		0x30
-#define CTX_ESR_EL1		0x38
-#define CTX_TTBR0_EL1		0x40
-#define CTX_TTBR1_EL1		0x48
-#define CTX_MAIR_EL1		0x50
-#define CTX_AMAIR_EL1		0x58
-#define CTX_TCR_EL1		0x60
-#define CTX_TPIDR_EL1		0x68
-#define CTX_TPIDR_EL0		0x70
-#define CTX_TPIDRRO_EL0		0x78
-#define CTX_PAR_EL1		0x80
-#define CTX_FAR_EL1		0x88
-#define CTX_AFSR0_EL1		0x90
-#define CTX_AFSR1_EL1		0x98
-#define CTX_CONTEXTIDR_EL1	0xa0
-#define CTX_VBAR_EL1		0xa8
+#define CTX_SPSR_EL1		U(0x0)
+#define CTX_ELR_EL1		U(0x8)
+#define CTX_SCTLR_EL1		U(0x10)
+#define CTX_ACTLR_EL1		U(0x18)
+#define CTX_CPACR_EL1		U(0x20)
+#define CTX_CSSELR_EL1		U(0x28)
+#define CTX_SP_EL1		U(0x30)
+#define CTX_ESR_EL1		U(0x38)
+#define CTX_TTBR0_EL1		U(0x40)
+#define CTX_TTBR1_EL1		U(0x48)
+#define CTX_MAIR_EL1		U(0x50)
+#define CTX_AMAIR_EL1		U(0x58)
+#define CTX_TCR_EL1		U(0x60)
+#define CTX_TPIDR_EL1		U(0x68)
+#define CTX_TPIDR_EL0		U(0x70)
+#define CTX_TPIDRRO_EL0		U(0x78)
+#define CTX_PAR_EL1		U(0x80)
+#define CTX_FAR_EL1		U(0x88)
+#define CTX_AFSR0_EL1		U(0x90)
+#define CTX_AFSR1_EL1		U(0x98)
+#define CTX_CONTEXTIDR_EL1	U(0xa0)
+#define CTX_VBAR_EL1		U(0xa8)
 
 /*
  * If the platform is AArch64-only, there is no need to save and restore these
  * AArch32 registers.
  */
 #if CTX_INCLUDE_AARCH32_REGS
-#define CTX_SPSR_ABT		0xb0
-#define CTX_SPSR_UND		0xb8
-#define CTX_SPSR_IRQ		0xc0
-#define CTX_SPSR_FIQ		0xc8
-#define CTX_DACR32_EL2		0xd0
-#define CTX_IFSR32_EL2		0xd8
-#define CTX_FP_FPEXC32_EL2	0xe0
-#define CTX_TIMER_SYSREGS_OFF		0xf0 /* Align to the next 16 byte boundary */
+#define CTX_SPSR_ABT		U(0xb0)
+#define CTX_SPSR_UND		U(0xb8)
+#define CTX_SPSR_IRQ		U(0xc0)
+#define CTX_SPSR_FIQ		U(0xc8)
+#define CTX_DACR32_EL2		U(0xd0)
+#define CTX_IFSR32_EL2		U(0xd8)
+#define CTX_FP_FPEXC32_EL2	U(0xe0)
+#define CTX_TIMER_SYSREGS_OFF		U(0xf0) /* Align to the next 16 byte boundary */
 #else
-#define CTX_TIMER_SYSREGS_OFF		0xb0
+#define CTX_TIMER_SYSREGS_OFF		U(0xb0)
 #endif /* __CTX_INCLUDE_AARCH32_REGS__ */
 
 /*
@@ -110,12 +110,12 @@
  * space for them in the context
  */
 #if NS_TIMER_SWITCH
-#define CTX_CNTP_CTL_EL0	(CTX_TIMER_SYSREGS_OFF + 0x0)
-#define CTX_CNTP_CVAL_EL0	(CTX_TIMER_SYSREGS_OFF + 0x8)
-#define CTX_CNTV_CTL_EL0	(CTX_TIMER_SYSREGS_OFF + 0x10)
-#define CTX_CNTV_CVAL_EL0	(CTX_TIMER_SYSREGS_OFF + 0x18)
-#define CTX_CNTKCTL_EL1		(CTX_TIMER_SYSREGS_OFF + 0x20)
-#define CTX_SYSREGS_END		(CTX_TIMER_SYSREGS_OFF + 0x30) /* Align to the next 16 byte boundary */
+#define CTX_CNTP_CTL_EL0	(CTX_TIMER_SYSREGS_OFF + U(0x0))
+#define CTX_CNTP_CVAL_EL0	(CTX_TIMER_SYSREGS_OFF + U(0x8))
+#define CTX_CNTV_CTL_EL0	(CTX_TIMER_SYSREGS_OFF + U(0x10))
+#define CTX_CNTV_CVAL_EL0	(CTX_TIMER_SYSREGS_OFF + U(0x18))
+#define CTX_CNTKCTL_EL1		(CTX_TIMER_SYSREGS_OFF + U(0x20))
+#define CTX_SYSREGS_END		(CTX_TIMER_SYSREGS_OFF + U(0x30)) /* Align to the next 16 byte boundary */
 #else
 #define CTX_SYSREGS_END		CTX_TIMER_SYSREGS_OFF
 #endif /* __NS_TIMER_SWITCH__ */
@@ -126,41 +126,41 @@
  ******************************************************************************/
 #if CTX_INCLUDE_FPREGS
 #define CTX_FPREGS_OFFSET	(CTX_SYSREGS_OFFSET + CTX_SYSREGS_END)
-#define CTX_FP_Q0		0x0
-#define CTX_FP_Q1		0x10
-#define CTX_FP_Q2		0x20
-#define CTX_FP_Q3		0x30
-#define CTX_FP_Q4		0x40
-#define CTX_FP_Q5		0x50
-#define CTX_FP_Q6		0x60
-#define CTX_FP_Q7		0x70
-#define CTX_FP_Q8		0x80
-#define CTX_FP_Q9		0x90
-#define CTX_FP_Q10		0xa0
-#define CTX_FP_Q11		0xb0
-#define CTX_FP_Q12		0xc0
-#define CTX_FP_Q13		0xd0
-#define CTX_FP_Q14		0xe0
-#define CTX_FP_Q15		0xf0
-#define CTX_FP_Q16		0x100
-#define CTX_FP_Q17		0x110
-#define CTX_FP_Q18		0x120
-#define CTX_FP_Q19		0x130
-#define CTX_FP_Q20		0x140
-#define CTX_FP_Q21		0x150
-#define CTX_FP_Q22		0x160
-#define CTX_FP_Q23		0x170
-#define CTX_FP_Q24		0x180
-#define CTX_FP_Q25		0x190
-#define CTX_FP_Q26		0x1a0
-#define CTX_FP_Q27		0x1b0
-#define CTX_FP_Q28		0x1c0
-#define CTX_FP_Q29		0x1d0
-#define CTX_FP_Q30		0x1e0
-#define CTX_FP_Q31		0x1f0
-#define CTX_FP_FPSR		0x200
-#define CTX_FP_FPCR		0x208
-#define CTX_FPREGS_END		0x210
+#define CTX_FP_Q0		U(0x0)
+#define CTX_FP_Q1		U(0x10)
+#define CTX_FP_Q2		U(0x20)
+#define CTX_FP_Q3		U(0x30)
+#define CTX_FP_Q4		U(0x40)
+#define CTX_FP_Q5		U(0x50)
+#define CTX_FP_Q6		U(0x60)
+#define CTX_FP_Q7		U(0x70)
+#define CTX_FP_Q8		U(0x80)
+#define CTX_FP_Q9		U(0x90)
+#define CTX_FP_Q10		U(0xa0)
+#define CTX_FP_Q11		U(0xb0)
+#define CTX_FP_Q12		U(0xc0)
+#define CTX_FP_Q13		U(0xd0)
+#define CTX_FP_Q14		U(0xe0)
+#define CTX_FP_Q15		U(0xf0)
+#define CTX_FP_Q16		U(0x100)
+#define CTX_FP_Q17		U(0x110)
+#define CTX_FP_Q18		U(0x120)
+#define CTX_FP_Q19		U(0x130)
+#define CTX_FP_Q20		U(0x140)
+#define CTX_FP_Q21		U(0x150)
+#define CTX_FP_Q22		U(0x160)
+#define CTX_FP_Q23		U(0x170)
+#define CTX_FP_Q24		U(0x180)
+#define CTX_FP_Q25		U(0x190)
+#define CTX_FP_Q26		U(0x1a0)
+#define CTX_FP_Q27		U(0x1b0)
+#define CTX_FP_Q28		U(0x1c0)
+#define CTX_FP_Q29		U(0x1d0)
+#define CTX_FP_Q30		U(0x1e0)
+#define CTX_FP_Q31		U(0x1f0)
+#define CTX_FP_FPSR		U(0x200)
+#define CTX_FP_FPCR		U(0x208)
+#define CTX_FPREGS_END		U(0x210)
 #endif
 
 #ifndef __ASSEMBLY__
@@ -173,7 +173,7 @@
  * Common constants to help define the 'cpu_context' structure and its
  * members below.
  */
-#define DWORD_SHIFT		3
+#define DWORD_SHIFT		U(3)
 #define DEFINE_REG_STRUCT(name, num_regs)	\
 	typedef struct name {			\
 		uint64_t _regs[num_regs];	\
diff --git a/include/lib/psci/psci.h b/include/lib/psci/psci.h
index b23ed94..fee6a24 100644
--- a/include/lib/psci/psci.h
+++ b/include/lib/psci/psci.h
@@ -14,6 +14,7 @@
 #include <psci_compat.h>
 #endif
 #include <psci_lib.h>		/* To maintain compatibility for SPDs */
+#include <utils_def.h>
 
 /*******************************************************************************
  * Number of power domains whose state this PSCI implementation can track
@@ -21,90 +22,90 @@
 #ifdef PLAT_NUM_PWR_DOMAINS
 #define PSCI_NUM_PWR_DOMAINS	PLAT_NUM_PWR_DOMAINS
 #else
-#define PSCI_NUM_PWR_DOMAINS	(2 * PLATFORM_CORE_COUNT)
+#define PSCI_NUM_PWR_DOMAINS	(U(2) * PLATFORM_CORE_COUNT)
 #endif
 
 #define PSCI_NUM_NON_CPU_PWR_DOMAINS	(PSCI_NUM_PWR_DOMAINS - \
 					 PLATFORM_CORE_COUNT)
 
 /* This is the power level corresponding to a CPU */
-#define PSCI_CPU_PWR_LVL	0
+#define PSCI_CPU_PWR_LVL	(0)
 
 /*
  * The maximum power level supported by PSCI. Since PSCI CPU_SUSPEND
  * uses the old power_state parameter format which has 2 bits to specify the
  * power level, this constant is defined to be 3.
  */
-#define PSCI_MAX_PWR_LVL	3
+#define PSCI_MAX_PWR_LVL	U(3)
 
 /*******************************************************************************
  * Defines for runtime services function ids
  ******************************************************************************/
-#define PSCI_VERSION			0x84000000
-#define PSCI_CPU_SUSPEND_AARCH32	0x84000001
-#define PSCI_CPU_SUSPEND_AARCH64	0xc4000001
-#define PSCI_CPU_OFF			0x84000002
-#define PSCI_CPU_ON_AARCH32		0x84000003
-#define PSCI_CPU_ON_AARCH64		0xc4000003
-#define PSCI_AFFINITY_INFO_AARCH32	0x84000004
-#define PSCI_AFFINITY_INFO_AARCH64	0xc4000004
-#define PSCI_MIG_AARCH32		0x84000005
-#define PSCI_MIG_AARCH64		0xc4000005
-#define PSCI_MIG_INFO_TYPE		0x84000006
-#define PSCI_MIG_INFO_UP_CPU_AARCH32	0x84000007
-#define PSCI_MIG_INFO_UP_CPU_AARCH64	0xc4000007
-#define PSCI_SYSTEM_OFF			0x84000008
-#define PSCI_SYSTEM_RESET		0x84000009
-#define PSCI_FEATURES			0x8400000A
-#define PSCI_NODE_HW_STATE_AARCH32	0x8400000d
-#define PSCI_NODE_HW_STATE_AARCH64	0xc400000d
-#define PSCI_SYSTEM_SUSPEND_AARCH32	0x8400000E
-#define PSCI_SYSTEM_SUSPEND_AARCH64	0xc400000E
-#define PSCI_STAT_RESIDENCY_AARCH32	0x84000010
-#define PSCI_STAT_RESIDENCY_AARCH64	0xc4000010
-#define PSCI_STAT_COUNT_AARCH32		0x84000011
-#define PSCI_STAT_COUNT_AARCH64		0xc4000011
+#define PSCI_VERSION			U(0x84000000)
+#define PSCI_CPU_SUSPEND_AARCH32	U(0x84000001)
+#define PSCI_CPU_SUSPEND_AARCH64	U(0xc4000001)
+#define PSCI_CPU_OFF			U(0x84000002)
+#define PSCI_CPU_ON_AARCH32		U(0x84000003)
+#define PSCI_CPU_ON_AARCH64		U(0xc4000003)
+#define PSCI_AFFINITY_INFO_AARCH32	U(0x84000004)
+#define PSCI_AFFINITY_INFO_AARCH64	U(0xc4000004)
+#define PSCI_MIG_AARCH32		U(0x84000005)
+#define PSCI_MIG_AARCH64		U(0xc4000005)
+#define PSCI_MIG_INFO_TYPE		U(0x84000006)
+#define PSCI_MIG_INFO_UP_CPU_AARCH32	U(0x84000007)
+#define PSCI_MIG_INFO_UP_CPU_AARCH64	U(0xc4000007)
+#define PSCI_SYSTEM_OFF			U(0x84000008)
+#define PSCI_SYSTEM_RESET		U(0x84000009)
+#define PSCI_FEATURES			U(0x8400000A)
+#define PSCI_NODE_HW_STATE_AARCH32	U(0x8400000d)
+#define PSCI_NODE_HW_STATE_AARCH64	U(0xc400000d)
+#define PSCI_SYSTEM_SUSPEND_AARCH32	U(0x8400000E)
+#define PSCI_SYSTEM_SUSPEND_AARCH64	U(0xc400000E)
+#define PSCI_STAT_RESIDENCY_AARCH32	U(0x84000010)
+#define PSCI_STAT_RESIDENCY_AARCH64	U(0xc4000010)
+#define PSCI_STAT_COUNT_AARCH32		U(0x84000011)
+#define PSCI_STAT_COUNT_AARCH64		U(0xc4000011)
 
 /* Macro to help build the psci capabilities bitfield */
-#define define_psci_cap(x)		(1 << (x & 0x1f))
+#define define_psci_cap(x)		(U(1) << (x & U(0x1f)))
 
 /*
  * Number of PSCI calls (above) implemented
  */
 #if ENABLE_PSCI_STAT
-#define PSCI_NUM_CALLS			22
+#define PSCI_NUM_CALLS			U(22)
 #else
-#define PSCI_NUM_CALLS			18
+#define PSCI_NUM_CALLS			U(18)
 #endif
 
 /* The macros below are used to identify PSCI calls from the SMC function ID */
-#define PSCI_FID_MASK			0xffe0u
-#define PSCI_FID_VALUE			0u
+#define PSCI_FID_MASK			U(0xffe0)
+#define PSCI_FID_VALUE			U(0)
 #define is_psci_fid(_fid) \
 	(((_fid) & PSCI_FID_MASK) == PSCI_FID_VALUE)
 
 /*******************************************************************************
  * PSCI Migrate and friends
  ******************************************************************************/
-#define PSCI_TOS_UP_MIG_CAP	0
-#define PSCI_TOS_NOT_UP_MIG_CAP	1
-#define PSCI_TOS_NOT_PRESENT_MP	2
+#define PSCI_TOS_UP_MIG_CAP	U(0)
+#define PSCI_TOS_NOT_UP_MIG_CAP	U(1)
+#define PSCI_TOS_NOT_PRESENT_MP	U(2)
 
 /*******************************************************************************
  * PSCI CPU_SUSPEND 'power_state' parameter specific defines
  ******************************************************************************/
-#define PSTATE_ID_SHIFT		0
+#define PSTATE_ID_SHIFT		U(0)
 
 #if PSCI_EXTENDED_STATE_ID
-#define PSTATE_VALID_MASK	0xB0000000
-#define PSTATE_TYPE_SHIFT	30
-#define PSTATE_ID_MASK		0xfffffff
+#define PSTATE_VALID_MASK	U(0xB0000000)
+#define PSTATE_TYPE_SHIFT	U(30)
+#define PSTATE_ID_MASK		U(0xfffffff)
 #else
-#define PSTATE_VALID_MASK	0xFCFE0000
-#define PSTATE_TYPE_SHIFT	16
-#define PSTATE_PWR_LVL_SHIFT	24
-#define PSTATE_ID_MASK		0xffff
-#define PSTATE_PWR_LVL_MASK	0x3
+#define PSTATE_VALID_MASK	U(0xFCFE0000)
+#define PSTATE_TYPE_SHIFT	U(16)
+#define PSTATE_PWR_LVL_SHIFT	U(24)
+#define PSTATE_ID_MASK		U(0xffff)
+#define PSTATE_PWR_LVL_MASK	U(0x3)
 
 #define psci_get_pstate_pwrlvl(pstate)	(((pstate) >> PSTATE_PWR_LVL_SHIFT) & \
 					PSTATE_PWR_LVL_MASK)
@@ -114,9 +115,9 @@
 			(((pwrlvl) & PSTATE_PWR_LVL_MASK) << PSTATE_PWR_LVL_SHIFT)
 #endif /* __PSCI_EXTENDED_STATE_ID__ */
 
-#define PSTATE_TYPE_STANDBY	0x0
-#define PSTATE_TYPE_POWERDOWN	0x1
-#define PSTATE_TYPE_MASK	0x1
+#define PSTATE_TYPE_STANDBY	U(0x0)
+#define PSTATE_TYPE_POWERDOWN	U(0x1)
+#define PSTATE_TYPE_MASK	U(0x1)
 
 #define psci_get_pstate_id(pstate)	(((pstate) >> PSTATE_ID_SHIFT) & \
 					PSTATE_ID_MASK)
@@ -128,9 +129,9 @@
  * PSCI CPU_FEATURES feature flag specific defines
  ******************************************************************************/
 /* Features flags for CPU SUSPEND power state parameter format. Bits [1:1] */
-#define FF_PSTATE_SHIFT		1
-#define FF_PSTATE_ORIG		0
-#define FF_PSTATE_EXTENDED	1
+#define FF_PSTATE_SHIFT		U(1)
+#define FF_PSTATE_ORIG		U(0)
+#define FF_PSTATE_EXTENDED	U(1)
 #if PSCI_EXTENDED_STATE_ID
 #define FF_PSTATE		FF_PSTATE_EXTENDED
 #else
@@ -138,14 +139,14 @@
 #endif
 
 /* Features flags for CPU SUSPEND OS Initiated mode support. Bits [0:0] */
-#define FF_MODE_SUPPORT_SHIFT		0
-#define FF_SUPPORTS_OS_INIT_MODE	1
+#define FF_MODE_SUPPORT_SHIFT		U(0)
+#define FF_SUPPORTS_OS_INIT_MODE	U(1)
 
 /*******************************************************************************
  * PSCI version
  ******************************************************************************/
-#define PSCI_MAJOR_VER		(1 << 16)
-#define PSCI_MINOR_VER		0x0
+#define PSCI_MAJOR_VER		(U(1) << 16)
+#define PSCI_MINOR_VER		U(0x0)
 
 /*******************************************************************************
  * PSCI error codes
@@ -174,9 +175,9 @@
  * PSCI specification (ARM DEN 0022C).
  */
 typedef enum {
-	AFF_STATE_ON = 0,
-	AFF_STATE_OFF = 1,
-	AFF_STATE_ON_PENDING = 2
+	AFF_STATE_ON = U(0),
+	AFF_STATE_OFF = U(1),
+	AFF_STATE_ON_PENDING = U(2)
 } aff_info_state_t;
 
 /*
@@ -185,15 +186,15 @@
  * of PSCI specification (ARM DEN 0022C).
  */
 typedef enum {
-	HW_ON = 0,
-	HW_OFF = 1,
-	HW_STANDBY = 2
+	HW_ON = U(0),
+	HW_OFF = U(1),
+	HW_STANDBY = U(2)
 } node_hw_state_t;
 
 /*
  * Macro to represent invalid affinity level within PSCI.
  */
-#define PSCI_INVALID_PWR_LVL	(PLAT_MAX_PWR_LVL + 1)
+#define PSCI_INVALID_PWR_LVL	(PLAT_MAX_PWR_LVL + U(1))
 
 /*
  * Type for representing the local power state at a particular level.
@@ -201,7 +202,7 @@
 typedef uint8_t plat_local_state_t;
 
 /* The local state macro used to represent RUN state. */
-#define PSCI_LOCAL_STATE_RUN  	0
+#define PSCI_LOCAL_STATE_RUN  	U(0)
 
 /*
  * Macro to test whether the plat_local_state is RUN state
@@ -236,7 +237,7 @@
 	 * The pwr_domain_state[] stores the local power state at each level
 	 * for the CPU.
 	 */
-	plat_local_state_t pwr_domain_state[PLAT_MAX_PWR_LVL + 1];
+	plat_local_state_t pwr_domain_state[PLAT_MAX_PWR_LVL + U(1)];
 } psci_power_state_t;
 
 /*******************************************************************************
diff --git a/include/lib/smcc.h b/include/lib/smcc.h
index 7270a88..13b1e7a 100644
--- a/include/lib/smcc.h
+++ b/include/lib/smcc.h
@@ -12,55 +12,55 @@
 /*******************************************************************************
  * Bit definitions inside the function id as per the SMC calling convention
  ******************************************************************************/
-#define FUNCID_TYPE_SHIFT		31
-#define FUNCID_CC_SHIFT			30
-#define FUNCID_OEN_SHIFT		24
-#define FUNCID_NUM_SHIFT		0
+#define FUNCID_TYPE_SHIFT		U(31)
+#define FUNCID_CC_SHIFT			U(30)
+#define FUNCID_OEN_SHIFT		U(24)
+#define FUNCID_NUM_SHIFT		U(0)
 
-#define FUNCID_TYPE_MASK		0x1
-#define FUNCID_CC_MASK			0x1
-#define FUNCID_OEN_MASK			0x3f
-#define FUNCID_NUM_MASK			0xffff
+#define FUNCID_TYPE_MASK		U(0x1)
+#define FUNCID_CC_MASK			U(0x1)
+#define FUNCID_OEN_MASK			U(0x3f)
+#define FUNCID_NUM_MASK			U(0xffff)
 
-#define FUNCID_TYPE_WIDTH		1
-#define FUNCID_CC_WIDTH			1
-#define FUNCID_OEN_WIDTH		6
-#define FUNCID_NUM_WIDTH		16
+#define FUNCID_TYPE_WIDTH		U(1)
+#define FUNCID_CC_WIDTH			U(1)
+#define FUNCID_OEN_WIDTH		U(6)
+#define FUNCID_NUM_WIDTH		U(16)
 
 #define GET_SMC_CC(id)			((id >> FUNCID_CC_SHIFT) & \
 					 FUNCID_CC_MASK)
 #define GET_SMC_TYPE(id)		((id >> FUNCID_TYPE_SHIFT) & \
 					 FUNCID_TYPE_MASK)
 
-#define SMC_64				1
-#define SMC_32				0
-#define SMC_OK				0
-#define SMC_UNK				0xffffffff
+#define SMC_64				U(1)
+#define SMC_32				U(0)
+#define SMC_OK				U(0)
+#define SMC_UNK				U(0xffffffff)
 #define SMC_TYPE_FAST			ULL(1)
 #if !ERROR_DEPRECATED
-#define SMC_TYPE_STD			0
+#define SMC_TYPE_STD			ULL(0)
 #endif
-#define SMC_TYPE_YIELD			0
-#define SMC_PREEMPTED		0xfffffffe
+#define SMC_TYPE_YIELD			U(0)
+#define SMC_PREEMPTED		U(0xfffffffe)
 /*******************************************************************************
  * Owning entity number definitions inside the function id as per the SMC
  * calling convention
  ******************************************************************************/
-#define OEN_ARM_START			0
-#define OEN_ARM_END			0
-#define OEN_CPU_START			1
-#define OEN_CPU_END			1
-#define OEN_SIP_START			2
-#define OEN_SIP_END			2
-#define OEN_OEM_START			3
-#define OEN_OEM_END			3
-#define OEN_STD_START			4	/* Standard Service Calls */
-#define OEN_STD_END			4
-#define OEN_TAP_START			48	/* Trusted Applications */
-#define OEN_TAP_END			49
-#define OEN_TOS_START			50	/* Trusted OS */
-#define OEN_TOS_END			63
-#define OEN_LIMIT			64
+#define OEN_ARM_START			U(0)
+#define OEN_ARM_END			U(0)
+#define OEN_CPU_START			U(1)
+#define OEN_CPU_END			U(1)
+#define OEN_SIP_START			U(2)
+#define OEN_SIP_END			U(2)
+#define OEN_OEM_START			U(3)
+#define OEN_OEM_END			U(3)
+#define OEN_STD_START			U(4)	/* Standard Service Calls */
+#define OEN_STD_END			U(4)
+#define OEN_TAP_START			U(48)	/* Trusted Applications */
+#define OEN_TAP_END			U(49)
+#define OEN_TOS_START			U(50)	/* Trusted OS */
+#define OEN_TOS_END			U(63)
+#define OEN_LIMIT			U(64)
 
 #ifndef __ASSEMBLY__
 
@@ -68,8 +68,8 @@
 #include <stdint.h>
 
 /* Various flags passed to SMC handlers */
-#define SMC_FROM_SECURE		(0 << 0)
-#define SMC_FROM_NON_SECURE	(1 << 0)
+#define SMC_FROM_SECURE		(U(0) << 0)
+#define SMC_FROM_NON_SECURE	(U(1) << 0)
 
 #define is_caller_non_secure(_f)	(!!(_f & SMC_FROM_NON_SECURE))
 #define is_caller_secure(_f)		(!(is_caller_non_secure(_f)))
@@ -79,7 +79,7 @@
 					   FUNCID_OEN_MASK) == OEN_STD_START)
 
 /* The macro below is used to identify a valid Fast SMC call */
-#define is_valid_fast_smc(_fid)		((!(((_fid) >> 16) & 0xff)) && \
+#define is_valid_fast_smc(_fid)		((!(((_fid) >> 16) & U(0xff))) && \
 					   (GET_SMC_TYPE(_fid) == SMC_TYPE_FAST))
 
 /*
diff --git a/include/lib/xlat_tables/xlat_tables.h b/include/lib/xlat_tables/xlat_tables.h
index 66efa20..91f2f05 100644
--- a/include/lib/xlat_tables/xlat_tables.h
+++ b/include/lib/xlat_tables/xlat_tables.h
@@ -27,14 +27,14 @@
 /*
  * Shifts and masks to access fields of an mmap_attr_t
  */
-#define MT_TYPE_MASK	0x7
+#define MT_TYPE_MASK	U(0x7)
 #define MT_TYPE(_attr)	((_attr) & MT_TYPE_MASK)
 /* Access permissions (RO/RW) */
-#define MT_PERM_SHIFT	3
+#define MT_PERM_SHIFT	U(3)
 /* Security state (SECURE/NS) */
-#define MT_SEC_SHIFT	4
+#define MT_SEC_SHIFT	U(4)
 /* Access permissions for instruction execution (EXECUTE/EXECUTE_NEVER) */
-#define MT_EXECUTE_SHIFT	5
+#define MT_EXECUTE_SHIFT	U(5)
 
 /*
  * Memory mapping attributes
@@ -51,11 +51,11 @@
 	MT_MEMORY,
 	/* Values up to 7 are reserved to add new memory types in the future */
 
-	MT_RO		= 0 << MT_PERM_SHIFT,
-	MT_RW		= 1 << MT_PERM_SHIFT,
+	MT_RO		= U(0) << MT_PERM_SHIFT,
+	MT_RW		= U(1) << MT_PERM_SHIFT,
 
-	MT_SECURE	= 0 << MT_SEC_SHIFT,
-	MT_NS		= 1 << MT_SEC_SHIFT,
+	MT_SECURE	= U(0) << MT_SEC_SHIFT,
+	MT_NS		= U(1) << MT_SEC_SHIFT,
 
 	/*
 	 * Access permissions for instruction execution are only relevant for
@@ -64,8 +64,8 @@
 	 *  - Device memory is always marked as execute-never.
 	 *  - Read-write normal memory is always marked as execute-never.
 	 */
-	MT_EXECUTE		= 0 << MT_EXECUTE_SHIFT,
-	MT_EXECUTE_NEVER	= 1 << MT_EXECUTE_SHIFT,
+	MT_EXECUTE		= U(0) << MT_EXECUTE_SHIFT,
+	MT_EXECUTE_NEVER	= U(1) << MT_EXECUTE_SHIFT,
 } mmap_attr_t;
 
 #define MT_CODE		(MT_MEMORY | MT_RO | MT_EXECUTE)
diff --git a/include/lib/xlat_tables/xlat_tables_defs.h b/include/lib/xlat_tables/xlat_tables_defs.h
index c54b729..4b993a0 100644
--- a/include/lib/xlat_tables/xlat_tables_defs.h
+++ b/include/lib/xlat_tables/xlat_tables_defs.h
@@ -10,23 +10,23 @@
 #include <utils_def.h>
 
 /* Miscellaneous MMU related constants */
-#define NUM_2MB_IN_GB		(1 << 9)
-#define NUM_4K_IN_2MB		(1 << 9)
-#define NUM_GB_IN_4GB		(1 << 2)
+#define NUM_2MB_IN_GB		(U(1) << 9)
+#define NUM_4K_IN_2MB		(U(1) << 9)
+#define NUM_GB_IN_4GB		(U(1) << 2)
 
-#define TWO_MB_SHIFT		21
-#define ONE_GB_SHIFT		30
-#define FOUR_KB_SHIFT		12
+#define TWO_MB_SHIFT		U(21)
+#define ONE_GB_SHIFT		U(30)
+#define FOUR_KB_SHIFT		U(12)
 
 #define ONE_GB_INDEX(x)		((x) >> ONE_GB_SHIFT)
 #define TWO_MB_INDEX(x)		((x) >> TWO_MB_SHIFT)
 #define FOUR_KB_INDEX(x)	((x) >> FOUR_KB_SHIFT)
 
-#define INVALID_DESC		0x0
-#define BLOCK_DESC		0x1 /* Table levels 0-2 */
-#define TABLE_DESC		0x3 /* Table levels 0-2 */
-#define PAGE_DESC		0x3 /* Table level 3 */
-#define DESC_MASK		0x3
+#define INVALID_DESC		U(0x0)
+#define BLOCK_DESC		U(0x1) /* Table levels 0-2 */
+#define TABLE_DESC		U(0x3) /* Table levels 0-2 */
+#define PAGE_DESC		U(0x3) /* Table level 3 */
+#define DESC_MASK		U(0x3)
 
 #define FIRST_LEVEL_DESC_N	ONE_GB_SHIFT
 #define SECOND_LEVEL_DESC_N	TWO_MB_SHIFT
@@ -40,36 +40,36 @@
 #define CONT_HINT		(ULL(1) << 0)
 #define UPPER_ATTRS(x)		(((x) & ULL(0x7)) << 52)
 
-#define NON_GLOBAL		(1 << 9)
-#define ACCESS_FLAG		(1 << 8)
-#define NSH			(0x0 << 6)
-#define OSH			(0x2 << 6)
-#define ISH			(0x3 << 6)
+#define NON_GLOBAL		(U(1) << 9)
+#define ACCESS_FLAG		(U(1) << 8)
+#define NSH			(U(0x0) << 6)
+#define OSH			(U(0x2) << 6)
+#define ISH			(U(0x3) << 6)
 
 #define TABLE_ADDR_MASK		ULL(0x0000FFFFFFFFF000)
 
 #define PAGE_SIZE_SHIFT		FOUR_KB_SHIFT /* 4, 16 or 64 KB */
-#define PAGE_SIZE		(1 << PAGE_SIZE_SHIFT)
+#define PAGE_SIZE		(U(1) << PAGE_SIZE_SHIFT)
 #define PAGE_SIZE_MASK		(PAGE_SIZE - 1)
 #define IS_PAGE_ALIGNED(addr)	(((addr) & PAGE_SIZE_MASK) == 0)
 
-#define XLAT_ENTRY_SIZE_SHIFT	3 /* Each MMU table entry is 8 bytes (1 << 3) */
-#define XLAT_ENTRY_SIZE		(1 << XLAT_ENTRY_SIZE_SHIFT)
+#define XLAT_ENTRY_SIZE_SHIFT	U(3) /* Each MMU table entry is 8 bytes (1 << 3) */
+#define XLAT_ENTRY_SIZE		(U(1) << XLAT_ENTRY_SIZE_SHIFT)
 
 #define XLAT_TABLE_SIZE_SHIFT	PAGE_SIZE_SHIFT /* Size of one complete table */
-#define XLAT_TABLE_SIZE		(1 << XLAT_TABLE_SIZE_SHIFT)
+#define XLAT_TABLE_SIZE		(U(1) << XLAT_TABLE_SIZE_SHIFT)
 
 #ifdef AARCH32
-#define XLAT_TABLE_LEVEL_MIN	1
+#define XLAT_TABLE_LEVEL_MIN	U(1)
 #else
-#define XLAT_TABLE_LEVEL_MIN	0
+#define XLAT_TABLE_LEVEL_MIN	U(0)
 #endif /* AARCH32 */
 
-#define XLAT_TABLE_LEVEL_MAX	3
+#define XLAT_TABLE_LEVEL_MAX	U(3)
 
 /* Values for number of entries in each MMU translation table */
 #define XLAT_TABLE_ENTRIES_SHIFT (XLAT_TABLE_SIZE_SHIFT - XLAT_ENTRY_SIZE_SHIFT)
-#define XLAT_TABLE_ENTRIES	(1 << XLAT_TABLE_ENTRIES_SHIFT)
+#define XLAT_TABLE_ENTRIES	(U(1) << XLAT_TABLE_ENTRIES_SHIFT)
 #define XLAT_TABLE_ENTRIES_MASK	(XLAT_TABLE_ENTRIES - 1)
 
 /* Values to convert a memory address to an index into a translation table */
@@ -90,34 +90,34 @@
  * AP[1] bit is ignored by hardware and is
  * treated as if it is One in EL2/EL3
  */
-#define AP_RO				(0x1 << 5)
-#define AP_RW				(0x0 << 5)
+#define AP_RO				(U(0x1) << 5)
+#define AP_RW				(U(0x0) << 5)
 
-#define NS				(0x1 << 3)
-#define ATTR_NON_CACHEABLE_INDEX	0x2
-#define ATTR_DEVICE_INDEX		0x1
-#define ATTR_IWBWA_OWBWA_NTR_INDEX	0x0
-#define LOWER_ATTRS(x)			(((x) & 0xfff) << 2)
+#define NS				(U(0x1) << 3)
+#define ATTR_NON_CACHEABLE_INDEX	U(0x2)
+#define ATTR_DEVICE_INDEX		U(0x1)
+#define ATTR_IWBWA_OWBWA_NTR_INDEX	U(0x0)
+#define LOWER_ATTRS(x)			(((x) & U(0xfff)) << 2)
 /* Normal Memory, Outer Write-Through non-transient, Inner Non-cacheable */
-#define ATTR_NON_CACHEABLE		(0x44)
+#define ATTR_NON_CACHEABLE		U(0x44)
 /* Device-nGnRE */
-#define ATTR_DEVICE			(0x4)
+#define ATTR_DEVICE			U(0x4)
 /* Normal Memory, Outer Write-Back non-transient, Inner Write-Back non-transient */
-#define ATTR_IWBWA_OWBWA_NTR		(0xff)
+#define ATTR_IWBWA_OWBWA_NTR		U(0xff)
 #define MAIR_ATTR_SET(attr, index)	((attr) << ((index) << 3))
-#define ATTR_INDEX_MASK			0x3
+#define ATTR_INDEX_MASK			U(0x3)
 #define ATTR_INDEX_GET(attr)		(((attr) >> 2) & ATTR_INDEX_MASK)
 
 /*
  * Flags to override default values used to program system registers while
  * enabling the MMU.
  */
-#define DISABLE_DCACHE			(1 << 0)
+#define DISABLE_DCACHE			(U(1) << 0)
 
 /*
  * This flag marks the translation tables are Non-cacheable for MMU accesses.
  * If the flag is not specified, by default the tables are cacheable.
  */
-#define XLAT_TABLE_NC			(1 << 1)
+#define XLAT_TABLE_NC			(U(1) << 1)
 
 #endif /* __XLAT_TABLES_DEFS_H__ */
diff --git a/include/lib/xlat_tables/xlat_tables_v2.h b/include/lib/xlat_tables/xlat_tables_v2.h
index e7ed233..9db6719 100644
--- a/include/lib/xlat_tables/xlat_tables_v2.h
+++ b/include/lib/xlat_tables/xlat_tables_v2.h
@@ -27,14 +27,14 @@
 /*
  * Shifts and masks to access fields of an mmap_attr_t
  */
-#define MT_TYPE_MASK		0x7
+#define MT_TYPE_MASK		U(0x7)
 #define MT_TYPE(_attr)		((_attr) & MT_TYPE_MASK)
 /* Access permissions (RO/RW) */
-#define MT_PERM_SHIFT		3
+#define MT_PERM_SHIFT		U(3)
 /* Security state (SECURE/NS) */
-#define MT_SEC_SHIFT		4
+#define MT_SEC_SHIFT		U(4)
 /* Access permissions for instruction execution (EXECUTE/EXECUTE_NEVER) */
-#define MT_EXECUTE_SHIFT	5
+#define MT_EXECUTE_SHIFT	U(5)
 /* All other bits are reserved */
 
 /*
@@ -52,11 +52,11 @@
 	MT_MEMORY,
 	/* Values up to 7 are reserved to add new memory types in the future */
 
-	MT_RO		= 0 << MT_PERM_SHIFT,
-	MT_RW		= 1 << MT_PERM_SHIFT,
+	MT_RO		= U(0) << MT_PERM_SHIFT,
+	MT_RW		= U(1) << MT_PERM_SHIFT,
 
-	MT_SECURE	= 0 << MT_SEC_SHIFT,
-	MT_NS		= 1 << MT_SEC_SHIFT,
+	MT_SECURE	= U(0) << MT_SEC_SHIFT,
+	MT_NS		= U(1) << MT_SEC_SHIFT,
 
 	/*
 	 * Access permissions for instruction execution are only relevant for
@@ -65,8 +65,8 @@
 	 *  - Device memory is always marked as execute-never.
 	 *  - Read-write normal memory is always marked as execute-never.
 	 */
-	MT_EXECUTE		= 0 << MT_EXECUTE_SHIFT,
-	MT_EXECUTE_NEVER	= 1 << MT_EXECUTE_SHIFT,
+	MT_EXECUTE		= U(0) << MT_EXECUTE_SHIFT,
+	MT_EXECUTE_NEVER	= U(1) << MT_EXECUTE_SHIFT,
 } mmap_attr_t;
 
 #define MT_CODE		(MT_MEMORY | MT_RO | MT_EXECUTE)