Merge pull request #991 from davidcunado-arm/dc/update_hikey

hikey960: migrate to use A53 specific defines
diff --git a/common/runtime_svc.c b/common/runtime_svc.c
index 7b38847..0ea4cd0 100644
--- a/common/runtime_svc.c
+++ b/common/runtime_svc.c
@@ -36,15 +36,16 @@
 			     unsigned int flags)
 {
 	u_register_t x1, x2, x3, x4;
-	int index, idx;
+	int index;
+	unsigned int idx;
 	const rt_svc_desc_t *rt_svc_descs;
 
 	assert(handle);
 	idx = get_unique_oen_from_smc_fid(smc_fid);
-	assert(idx >= 0 && idx < MAX_RT_SVCS);
+	assert(idx < MAX_RT_SVCS);
 
 	index = rt_svc_descs_indices[idx];
-	if (index < 0 || index >= RT_SVC_DECS_NUM)
+	if (index < 0 || index >= (int)RT_SVC_DECS_NUM)
 		SMC_RET1(handle, SMC_UNK);
 
 	rt_svc_descs = (rt_svc_desc_t *) RT_SVC_DESCS_START;
@@ -89,7 +90,8 @@
  ******************************************************************************/
 void runtime_svc_init(void)
 {
-	int rc = 0, index, start_idx, end_idx;
+	int rc = 0;
+	unsigned int index, start_idx, end_idx;
 
 	/* Assert the number of descriptors detected are less than maximum indices */
 	assert((RT_SVC_DESCS_END >= RT_SVC_DESCS_START) &&
diff --git a/include/bl31/interrupt_mgmt.h b/include/bl31/interrupt_mgmt.h
index e0bf2db..9a6a7fa 100644
--- a/include/bl31/interrupt_mgmt.h
+++ b/include/bl31/interrupt_mgmt.h
@@ -12,16 +12,16 @@
 /*******************************************************************************
  * Constants for the types of interrupts recognised by the IM framework
  ******************************************************************************/
-#define INTR_TYPE_S_EL1			0
-#define INTR_TYPE_EL3			1
-#define INTR_TYPE_NS			2
-#define MAX_INTR_TYPES			3
+#define INTR_TYPE_S_EL1			U(0)
+#define INTR_TYPE_EL3			U(1)
+#define INTR_TYPE_NS			U(2)
+#define MAX_INTR_TYPES			U(3)
 #define INTR_TYPE_INVAL			MAX_INTR_TYPES
 /*
  * Constant passed to the interrupt handler in the 'id' field when the
  * framework does not read the gic registers to determine the interrupt id.
  */
-#define INTR_ID_UNAVAILABLE		0xFFFFFFFF
+#define INTR_ID_UNAVAILABLE		U(0xFFFFFFFF)
 
 
 /*******************************************************************************
@@ -29,37 +29,37 @@
  * constants to define the valid routing models for each supported interrupt
  * type
  ******************************************************************************/
-#define INTR_RM_FLAGS_SHIFT		0x0
-#define INTR_RM_FLAGS_MASK		0x3
+#define INTR_RM_FLAGS_SHIFT		U(0x0)
+#define INTR_RM_FLAGS_MASK		U(0x3)
 /* Routed to EL3 from NS. Taken to S-EL1 from Secure */
-#define INTR_SEL1_VALID_RM0		0x2
+#define INTR_SEL1_VALID_RM0		U(0x2)
 /* Routed to EL3 from NS and Secure */
-#define INTR_SEL1_VALID_RM1		0x3
+#define INTR_SEL1_VALID_RM1		U(0x3)
 /* Routed to EL1/EL2 from NS and to S-EL1 from Secure */
-#define INTR_NS_VALID_RM0		0x0
+#define INTR_NS_VALID_RM0		U(0x0)
 /* Routed to EL1/EL2 from NS and to EL3 from Secure */
-#define INTR_NS_VALID_RM1		0x1
+#define INTR_NS_VALID_RM1		U(0x1)
 /* Routed to EL3 from NS. Taken to S-EL1 from Secure and handed over to EL3 */
-#define INTR_EL3_VALID_RM0		0x2
+#define INTR_EL3_VALID_RM0		U(0x2)
 /* Routed to EL3 from NS and Secure */
-#define INTR_EL3_VALID_RM1		0x3
+#define INTR_EL3_VALID_RM1		U(0x3)
 /* This is the default routing model */
-#define INTR_DEFAULT_RM		0x0
+#define INTR_DEFAULT_RM			U(0x0)
 
 /*******************************************************************************
  * Constants for the _individual_ routing model bits in the 'flags' field for
  * each interrupt type and mask to validate the 'flags' parameter while
  * registering an interrupt handler
  ******************************************************************************/
-#define INTR_TYPE_FLAGS_MASK		0xFFFFFFFC
+#define INTR_TYPE_FLAGS_MASK		U(0xFFFFFFFC)
 
 #define INTR_RM_FROM_SEC_SHIFT		SECURE		/* BIT[0] */
 #define INTR_RM_FROM_NS_SHIFT		NON_SECURE	/* BIT[1] */
-#define INTR_RM_FROM_FLAG_MASK		1
+#define INTR_RM_FROM_FLAG_MASK		U(1)
 #define get_interrupt_rm_flag(flag, ss)	(((flag >> INTR_RM_FLAGS_SHIFT) >> ss) \
 					 & INTR_RM_FROM_FLAG_MASK)
-#define set_interrupt_rm_flag(flag, ss)	(flag |= 1 << ss)
-#define clr_interrupt_rm_flag(flag, ss)	(flag &= ~(1 << ss))
+#define set_interrupt_rm_flag(flag, ss)	(flag |= U(1) << ss)
+#define clr_interrupt_rm_flag(flag, ss)	(flag &= ~(U(1) << ss))
 
 
 /*******************************************************************************
@@ -84,10 +84,10 @@
  * the flag to indicate the security state when the exception was generated is
  * supported.
  ******************************************************************************/
-#define INTR_SRC_SS_FLAG_SHIFT		0		/* BIT[0] */
-#define INTR_SRC_SS_FLAG_MASK		1
+#define INTR_SRC_SS_FLAG_SHIFT		U(0)		/* BIT[0] */
+#define INTR_SRC_SS_FLAG_MASK		U(1)
 #define set_interrupt_src_ss(flag, val)	(flag |= val << INTR_SRC_SS_FLAG_SHIFT)
-#define clr_interrupt_src_ss(flag)	(flag &= ~(1 << INTR_SRC_SS_FLAG_SHIFT))
+#define clr_interrupt_src_ss(flag)	(flag &= ~(U(1) << INTR_SRC_SS_FLAG_SHIFT))
 #define get_interrupt_src_ss(flag)	((flag >> INTR_SRC_SS_FLAG_SHIFT) & \
 					 INTR_SRC_SS_FLAG_MASK)
 
diff --git a/include/common/ep_info.h b/include/common/ep_info.h
index 7f54523..23d27c4 100644
--- a/include/common/ep_info.h
+++ b/include/common/ep_info.h
@@ -8,49 +8,50 @@
 #define __EP_INFO_H__
 
 #include <param_header.h>
+#include <utils_def.h>
 
-#define SECURE		0x0
-#define NON_SECURE	0x1
+#define SECURE		U(0x0)
+#define NON_SECURE	U(0x1)
 #define sec_state_is_valid(s) (((s) == SECURE) || ((s) == NON_SECURE))
 
 /*******************************************************************************
  * Constants that allow assembler code to access members of and the
  * 'entry_point_info' structure at their correct offsets.
  ******************************************************************************/
-#define ENTRY_POINT_INFO_PC_OFFSET	0x08
+#define ENTRY_POINT_INFO_PC_OFFSET	U(0x08)
 #ifdef AARCH32
-#define ENTRY_POINT_INFO_ARGS_OFFSET	0x10
+#define ENTRY_POINT_INFO_ARGS_OFFSET	U(0x10)
 #else
-#define ENTRY_POINT_INFO_ARGS_OFFSET	0x18
+#define ENTRY_POINT_INFO_ARGS_OFFSET	U(0x18)
 #endif
 
 /* The following are used to set/get image attributes. */
-#define PARAM_EP_SECURITY_MASK		(0x1)
+#define PARAM_EP_SECURITY_MASK		U(0x1)
 
 #define GET_SECURITY_STATE(x) (x & PARAM_EP_SECURITY_MASK)
 #define SET_SECURITY_STATE(x, security) \
 			((x) = ((x) & ~PARAM_EP_SECURITY_MASK) | (security))
 
-#define EP_EE_MASK	0x2
-#define EP_EE_LITTLE	0x0
-#define EP_EE_BIG	0x2
+#define EP_EE_MASK	U(0x2)
+#define EP_EE_LITTLE	U(0x0)
+#define EP_EE_BIG	U(0x2)
 #define EP_GET_EE(x) (x & EP_EE_MASK)
 #define EP_SET_EE(x, ee) ((x) = ((x) & ~EP_EE_MASK) | (ee))
 
-#define EP_ST_MASK	0x4
-#define EP_ST_DISABLE	0x0
-#define EP_ST_ENABLE	0x4
+#define EP_ST_MASK	U(0x4)
+#define EP_ST_DISABLE	U(0x0)
+#define EP_ST_ENABLE	U(0x4)
 #define EP_GET_ST(x) (x & EP_ST_MASK)
 #define EP_SET_ST(x, ee) ((x) = ((x) & ~EP_ST_MASK) | (ee))
 
-#define EP_EXE_MASK	0x8
-#define NON_EXECUTABLE	0x0
-#define EXECUTABLE	0x8
+#define EP_EXE_MASK	U(0x8)
+#define NON_EXECUTABLE	U(0x0)
+#define EXECUTABLE	U(0x8)
 #define EP_GET_EXE(x) (x & EP_EXE_MASK)
 #define EP_SET_EXE(x, ee) ((x) = ((x) & ~EP_EXE_MASK) | (ee))
 
-#define EP_FIRST_EXE_MASK	0x10
-#define EP_FIRST_EXE		0x10
+#define EP_FIRST_EXE_MASK	U(0x10)
+#define EP_FIRST_EXE		U(0x10)
 #define EP_GET_FIRST_EXE(x) ((x) & EP_FIRST_EXE_MASK)
 #define EP_SET_FIRST_EXE(x, ee) ((x) = ((x) & ~EP_FIRST_EXE_MASK) | (ee))
 
diff --git a/include/drivers/arm/gic_v2.h b/include/drivers/arm/gic_v2.h
index 7959bb7..3a3d7aa 100644
--- a/include/drivers/arm/gic_v2.h
+++ b/include/drivers/arm/gic_v2.h
@@ -15,115 +15,115 @@
 #error " The legacy ARM GIC driver is deprecated."
 #endif
 
-#define GIC400_NUM_SPIS		480
-#define MAX_PPIS		14
-#define MAX_SGIS		16
+#define GIC400_NUM_SPIS		U(480)
+#define MAX_PPIS		U(14)
+#define MAX_SGIS		U(16)
 
-#define MIN_SGI_ID		0
-#define MIN_PPI_ID		16
-#define MIN_SPI_ID		32
+#define MIN_SGI_ID		U(0)
+#define MIN_PPI_ID		U(16)
+#define MIN_SPI_ID		U(32)
 
-#define GRP0			0
-#define GRP1			1
-#define GIC_PRI_MASK		0xff
-#define GIC_HIGHEST_SEC_PRIORITY 0
-#define GIC_LOWEST_SEC_PRIORITY	127
-#define GIC_HIGHEST_NS_PRIORITY	128
-#define GIC_LOWEST_NS_PRIORITY	254 /* 255 would disable an interrupt */
-#define GIC_SPURIOUS_INTERRUPT	1023
-#define GIC_TARGET_CPU_MASK	0xff
+#define GRP0			U(0)
+#define GRP1			U(1)
+#define GIC_PRI_MASK		U(0xff)
+#define GIC_HIGHEST_SEC_PRIORITY U(0)
+#define GIC_LOWEST_SEC_PRIORITY	U(127)
+#define GIC_HIGHEST_NS_PRIORITY	U(128)
+#define GIC_LOWEST_NS_PRIORITY	U(254) /* 255 would disable an interrupt */
+#define GIC_SPURIOUS_INTERRUPT	U(1023)
+#define GIC_TARGET_CPU_MASK	U(0xff)
 
-#define ENABLE_GRP0		(1 << 0)
-#define ENABLE_GRP1		(1 << 1)
+#define ENABLE_GRP0		(U(1) << 0)
+#define ENABLE_GRP1		(U(1) << 1)
 
 /* Distributor interface definitions */
-#define GICD_CTLR		0x0
-#define GICD_TYPER		0x4
-#define GICD_IGROUPR		0x80
-#define GICD_ISENABLER		0x100
-#define GICD_ICENABLER		0x180
-#define GICD_ISPENDR		0x200
-#define GICD_ICPENDR		0x280
-#define GICD_ISACTIVER		0x300
-#define GICD_ICACTIVER		0x380
-#define GICD_IPRIORITYR		0x400
-#define GICD_ITARGETSR		0x800
-#define GICD_ICFGR		0xC00
-#define GICD_SGIR		0xF00
-#define GICD_CPENDSGIR		0xF10
-#define GICD_SPENDSGIR		0xF20
+#define GICD_CTLR		U(0x0)
+#define GICD_TYPER		U(0x4)
+#define GICD_IGROUPR		U(0x80)
+#define GICD_ISENABLER		U(0x100)
+#define GICD_ICENABLER		U(0x180)
+#define GICD_ISPENDR		U(0x200)
+#define GICD_ICPENDR		U(0x280)
+#define GICD_ISACTIVER		U(0x300)
+#define GICD_ICACTIVER		U(0x380)
+#define GICD_IPRIORITYR		U(0x400)
+#define GICD_ITARGETSR		U(0x800)
+#define GICD_ICFGR		U(0xC00)
+#define GICD_SGIR		U(0xF00)
+#define GICD_CPENDSGIR		U(0xF10)
+#define GICD_SPENDSGIR		U(0xF20)
 
-#define IGROUPR_SHIFT		5
-#define ISENABLER_SHIFT		5
+#define IGROUPR_SHIFT		U(5)
+#define ISENABLER_SHIFT		U(5)
 #define ICENABLER_SHIFT		ISENABLER_SHIFT
-#define ISPENDR_SHIFT		5
+#define ISPENDR_SHIFT		U(5)
 #define ICPENDR_SHIFT		ISPENDR_SHIFT
-#define ISACTIVER_SHIFT		5
+#define ISACTIVER_SHIFT		U(5)
 #define ICACTIVER_SHIFT		ISACTIVER_SHIFT
-#define IPRIORITYR_SHIFT	2
-#define ITARGETSR_SHIFT		2
-#define ICFGR_SHIFT		4
-#define CPENDSGIR_SHIFT		2
+#define IPRIORITYR_SHIFT	U(2)
+#define ITARGETSR_SHIFT		U(2)
+#define ICFGR_SHIFT		U(4)
+#define CPENDSGIR_SHIFT		U(2)
 #define SPENDSGIR_SHIFT		CPENDSGIR_SHIFT
 
 /* GICD_TYPER bit definitions */
-#define IT_LINES_NO_MASK	0x1f
+#define IT_LINES_NO_MASK	U(0x1f)
 
 /* Physical CPU Interface registers */
-#define GICC_CTLR		0x0
-#define GICC_PMR		0x4
-#define GICC_BPR		0x8
-#define GICC_IAR		0xC
-#define GICC_EOIR		0x10
-#define GICC_RPR		0x14
-#define GICC_HPPIR		0x18
-#define GICC_AHPPIR		0x28
-#define GICC_IIDR		0xFC
-#define GICC_DIR		0x1000
+#define GICC_CTLR		U(0x0)
+#define GICC_PMR		U(0x4)
+#define GICC_BPR		U(0x8)
+#define GICC_IAR		U(0xC)
+#define GICC_EOIR		U(0x10)
+#define GICC_RPR		U(0x14)
+#define GICC_HPPIR		U(0x18)
+#define GICC_AHPPIR		U(0x28)
+#define GICC_IIDR		U(0xFC)
+#define GICC_DIR		U(0x1000)
 #define GICC_PRIODROP           GICC_EOIR
 
 /* Common CPU Interface definitions */
-#define INT_ID_MASK		0x3ff
+#define INT_ID_MASK		U(0x3ff)
 
 /* GICC_CTLR bit definitions */
-#define EOI_MODE_NS		(1 << 10)
-#define EOI_MODE_S		(1 << 9)
-#define IRQ_BYP_DIS_GRP1	(1 << 8)
-#define FIQ_BYP_DIS_GRP1	(1 << 7)
-#define IRQ_BYP_DIS_GRP0	(1 << 6)
-#define FIQ_BYP_DIS_GRP0	(1 << 5)
-#define CBPR			(1 << 4)
-#define FIQ_EN			(1 << 3)
-#define ACK_CTL			(1 << 2)
+#define EOI_MODE_NS		(U(1) << 10)
+#define EOI_MODE_S		(U(1) << 9)
+#define IRQ_BYP_DIS_GRP1	(U(1) << 8)
+#define FIQ_BYP_DIS_GRP1	(U(1) << 7)
+#define IRQ_BYP_DIS_GRP0	(U(1) << 6)
+#define FIQ_BYP_DIS_GRP0	(U(1) << 5)
+#define CBPR			(U(1) << 4)
+#define FIQ_EN			(U(1) << 3)
+#define ACK_CTL			(U(1) << 2)
 
 /* GICC_IIDR bit masks and shifts */
-#define GICC_IIDR_PID_SHIFT	20
-#define GICC_IIDR_ARCH_SHIFT	16
-#define GICC_IIDR_REV_SHIFT	12
-#define GICC_IIDR_IMP_SHIFT	0
+#define GICC_IIDR_PID_SHIFT	U(20)
+#define GICC_IIDR_ARCH_SHIFT	U(16)
+#define GICC_IIDR_REV_SHIFT	U(12)
+#define GICC_IIDR_IMP_SHIFT	U(0)
 
-#define GICC_IIDR_PID_MASK	0xfff
-#define GICC_IIDR_ARCH_MASK	0xf
-#define GICC_IIDR_REV_MASK	0xf
-#define GICC_IIDR_IMP_MASK	0xfff
+#define GICC_IIDR_PID_MASK	U(0xfff)
+#define GICC_IIDR_ARCH_MASK	U(0xf)
+#define GICC_IIDR_REV_MASK	U(0xf)
+#define GICC_IIDR_IMP_MASK	U(0xfff)
 
 /* HYP view virtual CPU Interface registers */
-#define GICH_CTL		0x0
-#define GICH_VTR		0x4
-#define GICH_ELRSR0		0x30
-#define GICH_ELRSR1		0x34
-#define GICH_APR0		0xF0
-#define GICH_LR_BASE		0x100
+#define GICH_CTL		U(0x0)
+#define GICH_VTR		U(0x4)
+#define GICH_ELRSR0		U(0x30)
+#define GICH_ELRSR1		U(0x34)
+#define GICH_APR0		U(0xF0)
+#define GICH_LR_BASE		U(0x100)
 
 /* Virtual CPU Interface registers */
-#define GICV_CTL		0x0
-#define GICV_PRIMASK		0x4
-#define GICV_BP			0x8
-#define GICV_INTACK		0xC
-#define GICV_EOI		0x10
-#define GICV_RUNNINGPRI		0x14
-#define GICV_HIGHESTPEND	0x18
-#define GICV_DEACTIVATE		0x1000
+#define GICV_CTL		U(0x0)
+#define GICV_PRIMASK		U(0x4)
+#define GICV_BP			U(0x8)
+#define GICV_INTACK		U(0xC)
+#define GICV_EOI		U(0x10)
+#define GICV_RUNNINGPRI		U(0x14)
+#define GICV_HIGHESTPEND	U(0x18)
+#define GICV_DEACTIVATE		U(0x1000)
 
 #ifndef __ASSEMBLY__
 
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/aarch32/cortex_a53.h b/include/lib/cpus/aarch32/cortex_a53.h
index 7f4c88a..265cb15 100644
--- a/include/lib/cpus/aarch32/cortex_a53.h
+++ b/include/lib/cpus/aarch32/cortex_a53.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -22,47 +22,47 @@
 /*******************************************************************************
  * CPU Extended Control register specific definitions.
  ******************************************************************************/
-#define CPUECTLR			p15, 1, c15	/* Instruction def. */
+#define CORTEX_A53_ECTLR			p15, 1, c15
 
-#define CPUECTLR_SMP_BIT		(1 << 6)
+#define CORTEX_A53_ECTLR_SMP_BIT		(1 << 6)
 
-#define CPUECTLR_CPU_RET_CTRL_SHIFT	0
-#define CPUECTLR_CPU_RET_CTRL_MASK	(0x7 << CPUECTLR_CPU_RET_CTRL_SHIFT)
+#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 CPUECTLR_FPU_RET_CTRL_SHIFT	3
-#define CPUECTLR_FPU_RET_CTRL_MASK	(0x7 << CPUECTLR_FPU_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)
 
 /*******************************************************************************
  * CPU Memory Error Syndrome register specific definitions.
  ******************************************************************************/
-#define CPUMERRSR			p15, 2, c15 /* Instruction def. */
+#define CORTEX_A53_MERRSR			p15, 2, c15
 
 /*******************************************************************************
  * CPU Auxiliary Control register specific definitions.
  ******************************************************************************/
-#define CPUACTLR			p15, 0, c15 /* Instruction def. */
+#define CORTEX_A53_ACTLR			p15, 0, c15
 
-#define CPUACTLR_DTAH			(1 << 24)
+#define CORTEX_A53_ACTLR_DTAH			(1 << 24)
 
 /*******************************************************************************
  * L2 Auxiliary Control register specific definitions.
  ******************************************************************************/
-#define L2ACTLR			p15, 1, c15, c0, 0 /* Instruction def. */
+#define CORTEX_A53_L2ACTLR			p15, 1, c15, c0, 0
 
-#define L2ACTLR_ENABLE_UNIQUECLEAN	(1 << 14)
-#define L2ACTLR_DISABLE_CLEAN_PUSH	(1 << 3)
+#define CORTEX_A53_L2ACTLR_ENABLE_UNIQUECLEAN	(1 << 14)
+#define CORTEX_A53_L2ACTLR_DISABLE_CLEAN_PUSH	(1 << 3)
 
 /*******************************************************************************
  * L2 Extended Control register specific definitions.
  ******************************************************************************/
-#define L2ECTLR			p15, 1, c9, c0, 3 /* Instruction def. */
+#define CORTEX_A53_L2ECTLR			p15, 1, c9, c0, 3
 
-#define L2ECTLR_RET_CTRL_SHIFT		0
-#define L2ECTLR_RET_CTRL_MASK		(0x7 << L2ECTLR_RET_CTRL_SHIFT)
+#define CORTEX_A53_L2ECTLR_RET_CTRL_SHIFT	0
+#define CORTEX_A53_L2ECTLR_RET_CTRL_MASK	(0x7 << L2ECTLR_RET_CTRL_SHIFT)
 
 /*******************************************************************************
  * L2 Memory Error Syndrome register specific definitions.
  ******************************************************************************/
-#define L2MERRSR			p15, 3, c15 /* Instruction def. */
+#define CORTEX_A53_L2MERRSR			p15, 3, c15
 
 #endif /* __CORTEX_A53_H__ */
diff --git a/include/lib/cpus/aarch32/cortex_a57.h b/include/lib/cpus/aarch32/cortex_a57.h
index 94e5c8a..1c3fa25 100644
--- a/include/lib/cpus/aarch32/cortex_a57.h
+++ b/include/lib/cpus/aarch32/cortex_a57.h
@@ -22,58 +22,58 @@
 /*******************************************************************************
  * CPU Extended Control register specific definitions.
  ******************************************************************************/
-#define CPUECTLR			p15, 1, c15	/* Instruction def. */
+#define CORTEX_A57_ECTLR			p15, 1, c15
 
-#define CPUECTLR_SMP_BIT		(1 << 6)
-#define CPUECTLR_DIS_TWD_ACC_PFTCH_BIT	(1 << 38)
-#define CPUECTLR_L2_IPFTCH_DIST_MASK	(0x3 << 35)
-#define CPUECTLR_L2_DPFTCH_DIST_MASK	(0x3 << 32)
+#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 CPUECTLR_CPU_RET_CTRL_SHIFT	0
-#define CPUECTLR_CPU_RET_CTRL_MASK	(0x7 << CPUECTLR_CPU_RET_CTRL_SHIFT)
+#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)
 
 /*******************************************************************************
  * CPU Memory Error Syndrome register specific definitions.
  ******************************************************************************/
-#define CPUMERRSR			p15, 2, c15 /* Instruction def. */
+#define CORTEX_A57_CPUMERRSR			p15, 2, c15
 
 /*******************************************************************************
  * CPU Auxiliary Control register specific definitions.
  ******************************************************************************/
-#define CPUACTLR			p15, 0, c15 /* Instruction def. */
+#define CORTEX_A57_ACTLR			p15, 0, c15
 
-#define CPUACTLR_DIS_LOAD_PASS_DMB	(1 << 59)
-#define CPUACTLR_GRE_NGRE_AS_NGNRE	(1 << 54)
-#define CPUACTLR_DIS_OVERREAD		(1 << 52)
-#define CPUACTLR_NO_ALLOC_WBWA		(1 << 49)
-#define CPUACTLR_DCC_AS_DCCI		(1 << 44)
-#define CPUACTLR_FORCE_FPSCR_FLUSH	(1 << 38)
-#define CPUACTLR_DIS_STREAMING		(3 << 27)
-#define CPUACTLR_DIS_L1_STREAMING	(3 << 25)
-#define CPUACTLR_DIS_INDIRECT_PREDICTOR	(1 << 4)
+#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)
 
 /*******************************************************************************
  * L2 Control register specific definitions.
  ******************************************************************************/
-#define L2CTLR			p15, 1, c9, c0, 3 /* Instruction def. */
+#define CORTEX_A57_L2CTLR			p15, 1, c9, c0, 3
 
-#define L2CTLR_DATA_RAM_LATENCY_SHIFT	0
-#define L2CTLR_TAG_RAM_LATENCY_SHIFT	6
+#define CORTEX_A57_L2CTLR_DATA_RAM_LATENCY_SHIFT 0
+#define CORTEX_A57_L2CTLR_TAG_RAM_LATENCY_SHIFT	6
 
-#define L2_DATA_RAM_LATENCY_3_CYCLES	0x2
-#define L2_TAG_RAM_LATENCY_3_CYCLES	0x2
+#define CORTEX_A57_L2_DATA_RAM_LATENCY_3_CYCLES	0x2
+#define CORTEX_A57_L2_TAG_RAM_LATENCY_3_CYCLES	0x2
 
 /*******************************************************************************
  * L2 Extended Control register specific definitions.
  ******************************************************************************/
-#define L2ECTLR			p15, 1, c9, c0, 3	/* Instruction def. */
+#define CORTEX_A57_L2ECTLR			p15, 1, c9, c0, 3
 
-#define L2ECTLR_RET_CTRL_SHIFT		0
-#define L2ECTLR_RET_CTRL_MASK		(0x7 << L2ECTLR_RET_CTRL_SHIFT)
+#define CORTEX_A57_L2ECTLR_RET_CTRL_SHIFT	0
+#define CORTEX_A57_L2ECTLR_RET_CTRL_MASK	(0x7 << CORTEX_A57_L2ECTLR_RET_CTRL_SHIFT)
 
 /*******************************************************************************
  * L2 Memory Error Syndrome register specific definitions.
  ******************************************************************************/
-#define L2MERRSR			p15, 3, c15 /* Instruction def. */
+#define CORTEX_A57_L2MERRSR			p15, 3, c15
 
 #endif /* __CORTEX_A57_H__ */
diff --git a/include/lib/cpus/aarch32/cortex_a72.h b/include/lib/cpus/aarch32/cortex_a72.h
index e734b57..a550192 100644
--- a/include/lib/cpus/aarch32/cortex_a72.h
+++ b/include/lib/cpus/aarch32/cortex_a72.h
@@ -13,42 +13,42 @@
 /*******************************************************************************
  * CPU Extended Control register specific definitions.
  ******************************************************************************/
-#define CPUECTLR			p15, 1, c15	/* Instruction def. */
+#define CORTEX_A72_ECTLR			p15, 1, c15
 
-#define CPUECTLR_SMP_BIT		(1 << 6)
-#define CPUECTLR_DIS_TWD_ACC_PFTCH_BIT	(1 << 38)
-#define CPUECTLR_L2_IPFTCH_DIST_MASK	(0x3 << 35)
-#define CPUECTLR_L2_DPFTCH_DIST_MASK	(0x3 << 32)
+#define CORTEX_A72_ECTLR_SMP_BIT		(1 << 6)
+#define CORTEX_A72_ECTLR_DIS_TWD_ACC_PFTCH_BIT	(1 << 38)
+#define CORTEX_A72_ECTLR_L2_IPFTCH_DIST_MASK	(0x3 << 35)
+#define CORTEX_A72_ECTLR_L2_DPFTCH_DIST_MASK	(0x3 << 32)
 
 /*******************************************************************************
  * CPU Memory Error Syndrome register specific definitions.
  ******************************************************************************/
-#define CPUMERRSR			p15, 2, c15 /* Instruction def. */
+#define CORTEX_A72_MERRSR			p15, 2, c15
 
 /*******************************************************************************
  * CPU Auxiliary Control register specific definitions.
  ******************************************************************************/
-#define CPUACTLR			p15, 0, c15 /* Instruction def. */
+#define CORTEX_A72_ACTLR			p15, 0, c15
 
-#define CPUACTLR_DISABLE_L1_DCACHE_HW_PFTCH	(1 << 56)
-#define CPUACTLR_NO_ALLOC_WBWA         (1 << 49)
-#define CPUACTLR_DCC_AS_DCCI           (1 << 44)
+#define CORTEX_A72_ACTLR_DISABLE_L1_DCACHE_HW_PFTCH	(1 << 56)
+#define CORTEX_A72_ACTLR_NO_ALLOC_WBWA		(1 << 49)
+#define CORTEX_A72_ACTLR_DCC_AS_DCCI		(1 << 44)
 
 /*******************************************************************************
  * L2 Control register specific definitions.
  ******************************************************************************/
-#define L2CTLR			p15, 1, c9, c0, 3 /* Instruction def. */
+#define CORTEX_A72_L2CTLR			p15, 1, c9, c0, 3
 
-#define L2CTLR_DATA_RAM_LATENCY_SHIFT	0
-#define L2CTLR_TAG_RAM_LATENCY_SHIFT	6
+#define CORTEX_A72_L2CTLR_DATA_RAM_LATENCY_SHIFT 0
+#define CORTEX_A72_L2CTLR_TAG_RAM_LATENCY_SHIFT	6
 
-#define L2_DATA_RAM_LATENCY_3_CYCLES	0x2
-#define L2_TAG_RAM_LATENCY_2_CYCLES	0x1
-#define L2_TAG_RAM_LATENCY_3_CYCLES	0x2
+#define CORTEX_A72_L2_DATA_RAM_LATENCY_3_CYCLES	0x2
+#define CORTEX_A72_L2_TAG_RAM_LATENCY_2_CYCLES	0x1
+#define CORTEX_A72_L2_TAG_RAM_LATENCY_3_CYCLES	0x2
 
 /*******************************************************************************
  * L2 Memory Error Syndrome register specific definitions.
  ******************************************************************************/
-#define L2MERRSR			p15, 3, c15 /* Instruction def. */
+#define CORTEX_A72_L2MERRSR			p15, 3, c15
 
 #endif /* __CORTEX_A72_H__ */
diff --git a/include/lib/cpus/aarch64/cortex_a53.h b/include/lib/cpus/aarch64/cortex_a53.h
index 10d9ee6..6627dcf 100644
--- a/include/lib/cpus/aarch64/cortex_a53.h
+++ b/include/lib/cpus/aarch64/cortex_a53.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2015, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2014-2017, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -8,68 +8,67 @@
 #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 CPUECTLR_EL1			S3_1_C15_C2_1	/* Instruction def. */
+#define CORTEX_A53_ECTLR_EL1		S3_1_C15_C2_1
 
-#define CPUECTLR_SMP_BIT		(1 << 6)
+#define CORTEX_A53_ECTLR_SMP_BIT	(U(1) << 6)
 
-#define CPUECTLR_CPU_RET_CTRL_SHIFT	0
-#define CPUECTLR_CPU_RET_CTRL_MASK	(0x7 << CPUECTLR_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 CPUECTLR_FPU_RET_CTRL_SHIFT	3
-#define CPUECTLR_FPU_RET_CTRL_MASK	(0x7 << CPUECTLR_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.
  ******************************************************************************/
-#define CPUMERRSR_EL1			S3_1_C15_C2_2	/* Instruction def. */
+#define CORTEX_A53_MERRSR_EL1			S3_1_C15_C2_2
 
 /*******************************************************************************
  * CPU Auxiliary Control register specific definitions.
  ******************************************************************************/
-#define CPUACTLR_EL1			S3_1_C15_C2_0	/* Instruction def. */
+#define CORTEX_A53_ACTLR_EL1			S3_1_C15_C2_0
 
-#define CPUACTLR_ENDCCASCI_SHIFT	44
-#define CPUACTLR_ENDCCASCI		(1 << CPUACTLR_ENDCCASCI_SHIFT)
-#define CPUACTLR_RADIS_SHIFT		27
-#define CPUACTLR_RADIS			(3 << CPUACTLR_RADIS_SHIFT)
-#define CPUACTLR_L1RADIS_SHIFT		25
-#define CPUACTLR_L1RADIS		(3 << CPUACTLR_L1RADIS_SHIFT)
-#define CPUACTLR_DTAH_SHIFT		24
-#define CPUACTLR_DTAH			(1 << CPUACTLR_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 L2ACTLR_EL1			S3_1_C15_C0_0	/* Instruction def. */
+#define CORTEX_A53_L2ACTLR_EL1			S3_1_C15_C0_0
 
-#define L2ACTLR_ENABLE_UNIQUECLEAN	(1 << 14)
-#define 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 L2ECTLR_EL1			S3_1_C11_C0_3	/* Instruction def. */
+#define CORTEX_A53_L2ECTLR_EL1			S3_1_C11_C0_3
 
-#define L2ECTLR_RET_CTRL_SHIFT		0
-#define 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.
  ******************************************************************************/
-#define L2MERRSR_EL1			S3_1_C15_C2_3	/* Instruction def. */
+#define CORTEX_A53_L2MERRSR_EL1			S3_1_C15_C2_3
 
 #endif /* __CORTEX_A53_H__ */
diff --git a/include/lib/cpus/aarch64/cortex_a57.h b/include/lib/cpus/aarch64/cortex_a57.h
index c68f408..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
  */
@@ -8,74 +8,74 @@
 #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 CPUECTLR_EL1			S3_1_C15_C2_1	/* Instruction def. */
+#define CORTEX_A57_ECTLR_EL1			S3_1_C15_C2_1
 
-#define CPUECTLR_SMP_BIT		(1 << 6)
-#define CPUECTLR_DIS_TWD_ACC_PFTCH_BIT	(1 << 38)
-#define CPUECTLR_L2_IPFTCH_DIST_MASK	(0x3 << 35)
-#define CPUECTLR_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 CPUECTLR_CPU_RET_CTRL_SHIFT	0
-#define CPUECTLR_CPU_RET_CTRL_MASK	(0x7 << CPUECTLR_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.
  ******************************************************************************/
-#define CPUMERRSR_EL1			S3_1_C15_C2_2	/* Instruction def. */
+#define CORTEX_A57_MERRSR_EL1			S3_1_C15_C2_2
 
 /*******************************************************************************
  * CPU Auxiliary Control register specific definitions.
  ******************************************************************************/
-#define CPUACTLR_EL1			S3_1_C15_C2_0	/* Instruction def. */
+#define CORTEX_A57_ACTLR_EL1			S3_1_C15_C2_0
 
-#define CPUACTLR_DIS_LOAD_PASS_DMB	(1 << 59)
-#define CPUACTLR_GRE_NGRE_AS_NGNRE	(1 << 54)
-#define CPUACTLR_DIS_OVERREAD		(1 << 52)
-#define CPUACTLR_NO_ALLOC_WBWA		(1 << 49)
-#define CPUACTLR_DCC_AS_DCCI		(1 << 44)
-#define CPUACTLR_FORCE_FPSCR_FLUSH	(1 << 38)
-#define CPUACTLR_DIS_STREAMING		(3 << 27)
-#define CPUACTLR_DIS_L1_STREAMING	(3 << 25)
-#define CPUACTLR_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 L2CTLR_EL1			S3_1_C11_C0_2	/* Instruction def. */
+#define CORTEX_A57_L2CTLR_EL1			S3_1_C11_C0_2
 
-#define L2CTLR_DATA_RAM_LATENCY_SHIFT	0
-#define 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 L2_DATA_RAM_LATENCY_3_CYCLES	0x2
-#define 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 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 L2ECTLR_EL1			S3_1_C11_C0_3	/* Instruction def. */
+#define CORTEX_A57_L2ECTLR_EL1			S3_1_C11_C0_3
 
-#define L2ECTLR_RET_CTRL_SHIFT		0
-#define L2ECTLR_RET_CTRL_MASK		(0x7 << 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.
  ******************************************************************************/
-#define L2MERRSR_EL1			S3_1_C15_C2_3	/* Instruction def. */
+#define CORTEX_A57_L2MERRSR_EL1			S3_1_C15_C2_3
 
 #endif /* __CORTEX_A57_H__ */
diff --git a/include/lib/cpus/aarch64/cortex_a72.h b/include/lib/cpus/aarch64/cortex_a72.h
index 51f7de6..90f0abd 100644
--- a/include/lib/cpus/aarch64/cortex_a72.h
+++ b/include/lib/cpus/aarch64/cortex_a72.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -13,42 +13,42 @@
 /*******************************************************************************
  * CPU Extended Control register specific definitions.
  ******************************************************************************/
-#define CPUECTLR_EL1			S3_1_C15_C2_1	/* Instruction def. */
+#define CORTEX_A72_ECTLR_EL1			S3_1_C15_C2_1
 
-#define CPUECTLR_SMP_BIT		(1 << 6)
-#define CPUECTLR_DIS_TWD_ACC_PFTCH_BIT	(1 << 38)
-#define CPUECTLR_L2_IPFTCH_DIST_MASK	(0x3 << 35)
-#define CPUECTLR_L2_DPFTCH_DIST_MASK	(0x3 << 32)
+#define CORTEX_A72_ECTLR_SMP_BIT		(1 << 6)
+#define CORTEX_A72_ECTLR_DIS_TWD_ACC_PFTCH_BIT	(1 << 38)
+#define CORTEX_A72_ECTLR_L2_IPFTCH_DIST_MASK	(0x3 << 35)
+#define CORTEX_A72_ECTLR_L2_DPFTCH_DIST_MASK	(0x3 << 32)
 
 /*******************************************************************************
  * CPU Memory Error Syndrome register specific definitions.
  ******************************************************************************/
-#define CPUMERRSR_EL1			S3_1_C15_C2_2	/* Instruction def. */
+#define CORTEX_A72_MERRSR_EL1			S3_1_C15_C2_2
 
 /*******************************************************************************
  * CPU Auxiliary Control register specific definitions.
  ******************************************************************************/
-#define CPUACTLR_EL1			S3_1_C15_C2_0	/* Instruction def. */
+#define CORTEX_A72_ACTLR_EL1			S3_1_C15_C2_0
 
-#define CPUACTLR_DISABLE_L1_DCACHE_HW_PFTCH	(1 << 56)
-#define CPUACTLR_NO_ALLOC_WBWA         (1 << 49)
-#define CPUACTLR_DCC_AS_DCCI           (1 << 44)
+#define CORTEX_A72_ACTLR_DISABLE_L1_DCACHE_HW_PFTCH	(1 << 56)
+#define CORTEX_A72_ACTLR_NO_ALLOC_WBWA		(1 << 49)
+#define CORTEX_A72_ACTLR_DCC_AS_DCCI		(1 << 44)
 
 /*******************************************************************************
  * L2 Control register specific definitions.
  ******************************************************************************/
-#define L2CTLR_EL1			S3_1_C11_C0_2	/* Instruction def. */
+#define CORTEX_A72_L2CTLR_EL1			S3_1_C11_C0_2
 
-#define L2CTLR_DATA_RAM_LATENCY_SHIFT	0
-#define L2CTLR_TAG_RAM_LATENCY_SHIFT	6
+#define CORTEX_A72_L2CTLR_DATA_RAM_LATENCY_SHIFT	0
+#define CORTEX_A72_L2CTLR_TAG_RAM_LATENCY_SHIFT	6
 
-#define L2_DATA_RAM_LATENCY_3_CYCLES	0x2
-#define L2_TAG_RAM_LATENCY_2_CYCLES	0x1
-#define L2_TAG_RAM_LATENCY_3_CYCLES	0x2
+#define CORTEX_A72_L2_DATA_RAM_LATENCY_3_CYCLES	0x2
+#define CORTEX_A72_L2_TAG_RAM_LATENCY_2_CYCLES	0x1
+#define CORTEX_A72_L2_TAG_RAM_LATENCY_3_CYCLES	0x2
 
 /*******************************************************************************
  * L2 Memory Error Syndrome register specific definitions.
  ******************************************************************************/
-#define L2MERRSR_EL1			S3_1_C15_C2_3	/* Instruction def. */
+#define CORTEX_A72_L2MERRSR_EL1			S3_1_C15_C2_3
 
 #endif /* __CORTEX_A72_H__ */
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/utils_def.h b/include/lib/utils_def.h
index 98e7834..5249600 100644
--- a/include/lib/utils_def.h
+++ b/include/lib/utils_def.h
@@ -57,16 +57,19 @@
 	(((ptr) > UINTPTR_MAX - (inc)) ? 1 : 0)
 
 /*
- * For those constants to be shared between C and other sources, apply a 'ull'
- * suffix to the argument only in C, to avoid undefined or unintended behaviour.
+ * For those constants to be shared between C and other sources, apply a 'u'
+ * or 'ull' suffix to the argument only in C, to avoid undefined or unintended
+ * behaviour.
  *
- * The GNU assembler and linker do not support the 'ull' suffix (it causes the
- * build process to fail) therefore the suffix is omitted when used in linker
- * scripts and assembler files.
+ * The GNU assembler and linker do not support the 'u' and 'ull' suffix (it
+ * causes the build process to fail) therefore the suffix is omitted when used
+ * in linker scripts and assembler files.
 */
 #if defined(__LINKER__) || defined(__ASSEMBLY__)
+# define  U(_x)		(_x)
 # define ULL(_x)	(_x)
 #else
+# define  U(_x)		(_x##u)
 # define ULL(_x)	(_x##ull)
 #endif
 
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)
diff --git a/lib/cpus/aarch32/cortex_a53.S b/lib/cpus/aarch32/cortex_a53.S
index cdc8cac..3d5f833 100644
--- a/lib/cpus/aarch32/cortex_a53.S
+++ b/lib/cpus/aarch32/cortex_a53.S
@@ -15,9 +15,9 @@
 	 * ---------------------------------------------
 	 */
 func cortex_a53_disable_smp
-	ldcopr16	r0, r1, CPUECTLR
-	bic64_imm	r0, r1, CPUECTLR_SMP_BIT
-	stcopr16	r0, r1, CPUECTLR
+	ldcopr16	r0, r1, CORTEX_A53_ECTLR
+	bic64_imm	r0, r1, CORTEX_A53_ECTLR_SMP_BIT
+	stcopr16	r0, r1, CORTEX_A53_ECTLR
 	isb
 	dsb	sy
 	bx	lr
@@ -32,9 +32,9 @@
 	 * Enable the SMP bit.
 	 * ---------------------------------------------
 	 */
-	ldcopr16	r0, r1, CPUECTLR
-	orr64_imm	r0, r1, CPUECTLR_SMP_BIT
-	stcopr16	r0, r1,	CPUECTLR
+	ldcopr16	r0, r1, CORTEX_A53_ECTLR
+	orr64_imm	r0, r1, CORTEX_A53_ECTLR_SMP_BIT
+	stcopr16	r0, r1,	CORTEX_A53_ECTLR
 	isb
 	bx	lr
 endfunc cortex_a53_reset_func
diff --git a/lib/cpus/aarch32/cortex_a57.S b/lib/cpus/aarch32/cortex_a57.S
index 3fc0a6d..ed47846 100644
--- a/lib/cpus/aarch32/cortex_a57.S
+++ b/lib/cpus/aarch32/cortex_a57.S
@@ -16,9 +16,9 @@
 	 * ---------------------------------------------
 	 */
 func cortex_a57_disable_smp
-	ldcopr16	r0, r1, CPUECTLR
-	bic64_imm	r0, r1, CPUECTLR_SMP_BIT
-	stcopr16	r0, r1, CPUECTLR
+	ldcopr16	r0, r1, CORTEX_A57_ECTLR
+	bic64_imm	r0, r1, CORTEX_A57_ECTLR_SMP_BIT
+	stcopr16	r0, r1, CORTEX_A57_ECTLR
 	bx	lr
 endfunc cortex_a57_disable_smp
 
@@ -28,11 +28,11 @@
 	 * ---------------------------------------------
 	 */
 func cortex_a57_disable_l2_prefetch
-	ldcopr16	r0, r1, CPUECTLR
-	orr64_imm	r0, r1, CPUECTLR_DIS_TWD_ACC_PFTCH_BIT
-	bic64_imm	r0, r1, (CPUECTLR_L2_IPFTCH_DIST_MASK | \
-				CPUECTLR_L2_DPFTCH_DIST_MASK)
-	stcopr16	r0, r1, CPUECTLR
+	ldcopr16	r0, r1, CORTEX_A57_ECTLR
+	orr64_imm	r0, r1, CORTEX_A57_ECTLR_DIS_TWD_ACC_PFTCH_BIT
+	bic64_imm	r0, r1, (CORTEX_A57_ECTLR_L2_IPFTCH_DIST_MASK | \
+				 CORTEX_A57_ECTLR_L2_DPFTCH_DIST_MASK)
+	stcopr16	r0, r1, CORTEX_A57_ECTLR
 	isb
 	dsb	ish
 	bx	lr
@@ -59,9 +59,9 @@
 	 * Enable the SMP bit.
 	 * ---------------------------------------------
 	 */
-	ldcopr16	r0, r1, CPUECTLR
-	orr64_imm	r0, r1, CPUECTLR_SMP_BIT
-	stcopr16	r0, r1,	CPUECTLR
+	ldcopr16	r0, r1, CORTEX_A57_ECTLR
+	orr64_imm	r0, r1, CORTEX_A57_ECTLR_SMP_BIT
+	stcopr16	r0, r1,	CORTEX_A57_ECTLR
 	isb
 	bx	lr
 endfunc cortex_a57_reset_func
diff --git a/lib/cpus/aarch32/cortex_a72.S b/lib/cpus/aarch32/cortex_a72.S
index 9d39a53..cdd83ad 100644
--- a/lib/cpus/aarch32/cortex_a72.S
+++ b/lib/cpus/aarch32/cortex_a72.S
@@ -15,11 +15,11 @@
 	 * ---------------------------------------------
 	 */
 func cortex_a72_disable_l2_prefetch
-	ldcopr16	r0, r1, CPUECTLR
-	orr64_imm	r0, r1, CPUECTLR_DIS_TWD_ACC_PFTCH_BIT
-	bic64_imm	r0, r1, (CPUECTLR_L2_IPFTCH_DIST_MASK | \
-				CPUECTLR_L2_DPFTCH_DIST_MASK)
-	stcopr16	r0, r1, CPUECTLR
+	ldcopr16	r0, r1, CORTEX_A72_ECTLR
+	orr64_imm	r0, r1, CORTEX_A72_ECTLR_DIS_TWD_ACC_PFTCH_BIT
+	bic64_imm	r0, r1, (CORTEX_A72_ECTLR_L2_IPFTCH_DIST_MASK | \
+				CORTEX_A72_ECTLR_L2_DPFTCH_DIST_MASK)
+	stcopr16	r0, r1, CORTEX_A72_ECTLR
 	isb
 	bx	lr
 endfunc cortex_a72_disable_l2_prefetch
@@ -29,9 +29,9 @@
 	 * ---------------------------------------------
 	 */
 func cortex_a72_disable_hw_prefetcher
-	ldcopr16	r0, r1, CPUACTLR
-	orr64_imm	r0, r1, CPUACTLR_DISABLE_L1_DCACHE_HW_PFTCH
-	stcopr16	r0, r1, CPUACTLR
+	ldcopr16	r0, r1, CORTEX_A72_ACTLR
+	orr64_imm	r0, r1, CORTEX_A72_ACTLR_DISABLE_L1_DCACHE_HW_PFTCH
+	stcopr16	r0, r1, CORTEX_A72_ACTLR
 	isb
 	dsb	ish
 	bx	lr
@@ -43,9 +43,9 @@
 	 * ---------------------------------------------
 	 */
 func cortex_a72_disable_smp
-	ldcopr16	r0, r1, CPUECTLR
-	bic64_imm	r0, r1, CPUECTLR_SMP_BIT
-	stcopr16	r0, r1, CPUECTLR
+	ldcopr16	r0, r1, CORTEX_A72_ECTLR
+	bic64_imm	r0, r1, CORTEX_A72_ECTLR_SMP_BIT
+	stcopr16	r0, r1, CORTEX_A72_ECTLR
 	bx	lr
 endfunc cortex_a72_disable_smp
 
@@ -70,9 +70,9 @@
 	 * Enable the SMP bit.
 	 * ---------------------------------------------
 	 */
-	ldcopr16	r0, r1, CPUECTLR
-	orr64_imm	r0, r1, CPUECTLR_SMP_BIT
-	stcopr16	r0, r1,	CPUECTLR
+	ldcopr16	r0, r1, CORTEX_A72_ECTLR
+	orr64_imm	r0, r1, CORTEX_A72_ECTLR_SMP_BIT
+	stcopr16	r0, r1,	CORTEX_A72_ECTLR
 	isb
 	bx	lr
 endfunc cortex_a72_reset_func
diff --git a/lib/cpus/aarch64/cortex_a53.S b/lib/cpus/aarch64/cortex_a53.S
index 77c564a..d369c6d 100644
--- a/lib/cpus/aarch64/cortex_a53.S
+++ b/lib/cpus/aarch64/cortex_a53.S
@@ -33,9 +33,9 @@
 	 * ---------------------------------------------
 	 */
 func cortex_a53_disable_smp
-	mrs	x0, CPUECTLR_EL1
-	bic	x0, x0, #CPUECTLR_SMP_BIT
-	msr	CPUECTLR_EL1, x0
+	mrs	x0, CORTEX_A53_ECTLR_EL1
+	bic	x0, x0, #CORTEX_A53_ECTLR_SMP_BIT
+	msr	CORTEX_A53_ECTLR_EL1, x0
 	isb
 	dsb	sy
 	ret
@@ -56,10 +56,10 @@
 	mov	x17, x30
 	bl	check_errata_826319
 	cbz	x0, 1f
-	mrs	x1, L2ACTLR_EL1
-	bic	x1, x1, #L2ACTLR_ENABLE_UNIQUECLEAN
-	orr	x1, x1, #L2ACTLR_DISABLE_CLEAN_PUSH
-	msr	L2ACTLR_EL1, x1
+	mrs	x1, CORTEX_A53_L2ACTLR_EL1
+	bic	x1, x1, #CORTEX_A53_L2ACTLR_ENABLE_UNIQUECLEAN
+	orr	x1, x1, #CORTEX_A53_L2ACTLR_DISABLE_CLEAN_PUSH
+	msr	CORTEX_A53_L2ACTLR_EL1, x1
 1:
 	ret	x17
 endfunc errata_a53_826319_wa
@@ -93,9 +93,9 @@
 	mov	x17, x30
 	bl	check_errata_disable_non_temporal_hint
 	cbz	x0, 1f
-	mrs	x1, CPUACTLR_EL1
-	orr	x1, x1, #CPUACTLR_DTAH
-	msr	CPUACTLR_EL1, x1
+	mrs	x1, CORTEX_A53_ACTLR_EL1
+	orr	x1, x1, #CORTEX_A53_ACTLR_DTAH
+	msr	CORTEX_A53_ACTLR_EL1, x1
 1:
 	ret	x17
 endfunc a53_disable_non_temporal_hint
@@ -126,9 +126,9 @@
         bl      check_errata_855873
         cbz     x0, 1f
 
-	mrs	x1, CPUACTLR_EL1
-	orr	x1, x1, #CPUACTLR_ENDCCASCI
-	msr	CPUACTLR_EL1, x1
+	mrs	x1, CORTEX_A53_ACTLR_EL1
+	orr	x1, x1, #CORTEX_A53_ACTLR_ENDCCASCI
+	msr	CORTEX_A53_ACTLR_EL1, x1
 1:
 	ret	x17
 endfunc errata_a53_855873_wa
@@ -168,9 +168,9 @@
 	 * Enable the SMP bit.
 	 * ---------------------------------------------
 	 */
-	mrs	x0, CPUECTLR_EL1
-	orr	x0, x0, #CPUECTLR_SMP_BIT
-	msr	CPUECTLR_EL1, x0
+	mrs	x0, CORTEX_A53_ECTLR_EL1
+	orr	x0, x0, #CORTEX_A53_ECTLR_SMP_BIT
+	msr	CORTEX_A53_ECTLR_EL1, x0
 	isb
 	ret	x19
 endfunc cortex_a53_reset_func
@@ -275,10 +275,10 @@
 
 func cortex_a53_cpu_reg_dump
 	adr	x6, cortex_a53_regs
-	mrs	x8, CPUECTLR_EL1
-	mrs	x9, CPUMERRSR_EL1
-	mrs	x10, L2MERRSR_EL1
-	mrs	x11, CPUACTLR_EL1
+	mrs	x8, CORTEX_A53_ECTLR_EL1
+	mrs	x9, CORTEX_A53_MERRSR_EL1
+	mrs	x10, CORTEX_A53_L2MERRSR_EL1
+	mrs	x11, CORTEX_A53_ACTLR_EL1
 	ret
 endfunc cortex_a53_cpu_reg_dump
 
diff --git a/lib/cpus/aarch64/cortex_a57.S b/lib/cpus/aarch64/cortex_a57.S
index ffaf44e..9e8480a 100644
--- a/lib/cpus/aarch64/cortex_a57.S
+++ b/lib/cpus/aarch64/cortex_a57.S
@@ -29,12 +29,12 @@
 	 * ---------------------------------------------
 	 */
 func cortex_a57_disable_l2_prefetch
-	mrs	x0, CPUECTLR_EL1
-	orr	x0, x0, #CPUECTLR_DIS_TWD_ACC_PFTCH_BIT
-	mov	x1, #CPUECTLR_L2_IPFTCH_DIST_MASK
-	orr	x1, x1, #CPUECTLR_L2_DPFTCH_DIST_MASK
+	mrs	x0, CORTEX_A57_ECTLR_EL1
+	orr	x0, x0, #CORTEX_A57_ECTLR_DIS_TWD_ACC_PFTCH_BIT
+	mov	x1, #CORTEX_A57_ECTLR_L2_IPFTCH_DIST_MASK
+	orr	x1, x1, #CORTEX_A57_ECTLR_L2_DPFTCH_DIST_MASK
 	bic	x0, x0, x1
-	msr	CPUECTLR_EL1, x0
+	msr	CORTEX_A57_ECTLR_EL1, x0
 	isb
 	dsb	ish
 	ret
@@ -45,9 +45,9 @@
 	 * ---------------------------------------------
 	 */
 func cortex_a57_disable_smp
-	mrs	x0, CPUECTLR_EL1
-	bic	x0, x0, #CPUECTLR_SMP_BIT
-	msr	CPUECTLR_EL1, x0
+	mrs	x0, CORTEX_A57_ECTLR_EL1
+	bic	x0, x0, #CORTEX_A57_ECTLR_SMP_BIT
+	msr	CORTEX_A57_ECTLR_EL1, x0
 	ret
 endfunc cortex_a57_disable_smp
 
@@ -78,9 +78,9 @@
 	mov	x17, x30
 	bl	check_errata_806969
 	cbz	x0, 1f
-	mrs	x1, CPUACTLR_EL1
-	orr	x1, x1, #CPUACTLR_NO_ALLOC_WBWA
-	msr	CPUACTLR_EL1, x1
+	mrs	x1, CORTEX_A57_ACTLR_EL1
+	orr	x1, x1, #CORTEX_A57_ACTLR_NO_ALLOC_WBWA
+	msr	CORTEX_A57_ACTLR_EL1, x1
 1:
 	ret	x17
 endfunc errata_a57_806969_wa
@@ -120,9 +120,9 @@
 	mov	x17, x30
 	bl	check_errata_813420
 	cbz	x0, 1f
-	mrs	x1, CPUACTLR_EL1
-	orr	x1, x1, #CPUACTLR_DCC_AS_DCCI
-	msr	CPUACTLR_EL1, x1
+	mrs	x1, CORTEX_A57_ACTLR_EL1
+	orr	x1, x1, #CORTEX_A57_ACTLR_DCC_AS_DCCI
+	msr	CORTEX_A57_ACTLR_EL1, x1
 1:
 	ret	x17
 endfunc errata_a57_813420_wa
@@ -150,9 +150,9 @@
 	mov	x17, x30
 	bl	check_errata_disable_ldnp_overread
 	cbz	x0, 1f
-	mrs	x1, CPUACTLR_EL1
-	orr	x1, x1, #CPUACTLR_DIS_OVERREAD
-	msr	CPUACTLR_EL1, x1
+	mrs	x1, CORTEX_A57_ACTLR_EL1
+	orr	x1, x1, #CORTEX_A57_ACTLR_DIS_OVERREAD
+	msr	CORTEX_A57_ACTLR_EL1, x1
 1:
 	ret	x17
 endfunc a57_disable_ldnp_overread
@@ -177,9 +177,9 @@
 	mov	x17, x30
 	bl	check_errata_826974
 	cbz	x0, 1f
-	mrs	x1, CPUACTLR_EL1
-	orr	x1, x1, #CPUACTLR_DIS_LOAD_PASS_DMB
-	msr	CPUACTLR_EL1, x1
+	mrs	x1, CORTEX_A57_ACTLR_EL1
+	orr	x1, x1, #CORTEX_A57_ACTLR_DIS_LOAD_PASS_DMB
+	msr	CORTEX_A57_ACTLR_EL1, x1
 1:
 	ret	x17
 endfunc errata_a57_826974_wa
@@ -204,9 +204,9 @@
 	mov	x17, x30
 	bl	check_errata_826977
 	cbz	x0, 1f
-	mrs	x1, CPUACTLR_EL1
-	orr	x1, x1, #CPUACTLR_GRE_NGRE_AS_NGNRE
-	msr	CPUACTLR_EL1, x1
+	mrs	x1, CORTEX_A57_ACTLR_EL1
+	orr	x1, x1, #CORTEX_A57_ACTLR_GRE_NGRE_AS_NGNRE
+	msr	CORTEX_A57_ACTLR_EL1, x1
 1:
 	ret	x17
 endfunc errata_a57_826977_wa
@@ -231,15 +231,16 @@
 	mov	x17, x30
 	bl	check_errata_828024
 	cbz	x0, 1f
-	mrs	x1, CPUACTLR_EL1
+	mrs	x1, CORTEX_A57_ACTLR_EL1
 	/*
 	 * Setting the relevant bits in CPUACTLR_EL1 has to be done in 2
 	 * instructions here because the resulting bitmask doesn't fit in a
 	 * 16-bit value so it cannot be encoded in a single instruction.
 	 */
-	orr	x1, x1, #CPUACTLR_NO_ALLOC_WBWA
-	orr	x1, x1, #(CPUACTLR_DIS_L1_STREAMING | CPUACTLR_DIS_STREAMING)
-	msr	CPUACTLR_EL1, x1
+	orr	x1, x1, #CORTEX_A57_ACTLR_NO_ALLOC_WBWA
+	orr	x1, x1, #(CORTEX_A57_ACTLR_DIS_L1_STREAMING | \
+			  CORTEX_A57_ACTLR_DIS_STREAMING)
+	msr	CORTEX_A57_ACTLR_EL1, x1
 1:
 	ret	x17
 endfunc errata_a57_828024_wa
@@ -264,9 +265,9 @@
 	mov	x17, x30
 	bl	check_errata_829520
 	cbz	x0, 1f
-	mrs	x1, CPUACTLR_EL1
-	orr	x1, x1, #CPUACTLR_DIS_INDIRECT_PREDICTOR
-	msr	CPUACTLR_EL1, x1
+	mrs	x1, CORTEX_A57_ACTLR_EL1
+	orr	x1, x1, #CORTEX_A57_ACTLR_DIS_INDIRECT_PREDICTOR
+	msr	CORTEX_A57_ACTLR_EL1, x1
 1:
 	ret	x17
 endfunc errata_a57_829520_wa
@@ -291,9 +292,9 @@
 	mov	x17, x30
 	bl	check_errata_833471
 	cbz	x0, 1f
-	mrs	x1, CPUACTLR_EL1
-	orr	x1, x1, #CPUACTLR_FORCE_FPSCR_FLUSH
-	msr	CPUACTLR_EL1, x1
+	mrs	x1, CORTEX_A57_ACTLR_EL1
+	orr	x1, x1, #CORTEX_A57_ACTLR_FORCE_FPSCR_FLUSH
+	msr	CORTEX_A57_ACTLR_EL1, x1
 1:
 	ret	x17
 endfunc errata_a57_833471_wa
@@ -357,9 +358,9 @@
 	 * Enable the SMP bit.
 	 * ---------------------------------------------
 	 */
-	mrs	x0, CPUECTLR_EL1
-	orr	x0, x0, #CPUECTLR_SMP_BIT
-	msr	CPUECTLR_EL1, x0
+	mrs	x0, CORTEX_A57_ECTLR_EL1
+	orr	x0, x0, #CORTEX_A57_ECTLR_SMP_BIT
+	msr	CORTEX_A57_ECTLR_EL1, x0
 	isb
 	ret	x19
 endfunc cortex_a57_reset_func
@@ -503,9 +504,9 @@
 
 func cortex_a57_cpu_reg_dump
 	adr	x6, cortex_a57_regs
-	mrs	x8, CPUECTLR_EL1
-	mrs	x9, CPUMERRSR_EL1
-	mrs	x10, L2MERRSR_EL1
+	mrs	x8, CORTEX_A57_ECTLR_EL1
+	mrs	x9, CORTEX_A57_MERRSR_EL1
+	mrs	x10, CORTEX_A57_L2MERRSR_EL1
 	ret
 endfunc cortex_a57_cpu_reg_dump
 
diff --git a/lib/cpus/aarch64/cortex_a72.S b/lib/cpus/aarch64/cortex_a72.S
index acd2d96..0307627 100644
--- a/lib/cpus/aarch64/cortex_a72.S
+++ b/lib/cpus/aarch64/cortex_a72.S
@@ -27,12 +27,12 @@
 	 * ---------------------------------------------
 	 */
 func cortex_a72_disable_l2_prefetch
-	mrs	x0, CPUECTLR_EL1
-	orr	x0, x0, #CPUECTLR_DIS_TWD_ACC_PFTCH_BIT
-	mov	x1, #CPUECTLR_L2_IPFTCH_DIST_MASK
-	orr	x1, x1, #CPUECTLR_L2_DPFTCH_DIST_MASK
+	mrs	x0, CORTEX_A72_ECTLR_EL1
+	orr	x0, x0, #CORTEX_A72_ECTLR_DIS_TWD_ACC_PFTCH_BIT
+	mov	x1, #CORTEX_A72_ECTLR_L2_IPFTCH_DIST_MASK
+	orr	x1, x1, #CORTEX_A72_ECTLR_L2_DPFTCH_DIST_MASK
 	bic	x0, x0, x1
-	msr	CPUECTLR_EL1, x0
+	msr	CORTEX_A72_ECTLR_EL1, x0
 	isb
 	ret
 endfunc cortex_a72_disable_l2_prefetch
@@ -42,9 +42,9 @@
 	 * ---------------------------------------------
 	 */
 func cortex_a72_disable_hw_prefetcher
-	mrs	x0, CPUACTLR_EL1
-	orr	x0, x0, #CPUACTLR_DISABLE_L1_DCACHE_HW_PFTCH
-	msr	CPUACTLR_EL1, x0
+	mrs	x0, CORTEX_A72_ACTLR_EL1
+	orr	x0, x0, #CORTEX_A72_ACTLR_DISABLE_L1_DCACHE_HW_PFTCH
+	msr	CORTEX_A72_ACTLR_EL1, x0
 	isb
 	dsb	ish
 	ret
@@ -55,9 +55,9 @@
 	 * ---------------------------------------------
 	 */
 func cortex_a72_disable_smp
-	mrs	x0, CPUECTLR_EL1
-	bic	x0, x0, #CPUECTLR_SMP_BIT
-	msr	CPUECTLR_EL1, x0
+	mrs	x0, CORTEX_A72_ECTLR_EL1
+	bic	x0, x0, #CORTEX_A72_ECTLR_SMP_BIT
+	msr	CORTEX_A72_ECTLR_EL1, x0
 	ret
 endfunc cortex_a72_disable_smp
 
@@ -82,9 +82,9 @@
 	 * As a bare minimum enable the SMP bit.
 	 * ---------------------------------------------
 	 */
-	mrs	x0, CPUECTLR_EL1
-	orr	x0, x0, #CPUECTLR_SMP_BIT
-	msr	CPUECTLR_EL1, x0
+	mrs	x0, CORTEX_A72_ECTLR_EL1
+	orr	x0, x0, #CORTEX_A72_ECTLR_SMP_BIT
+	msr	CORTEX_A72_ECTLR_EL1, x0
 	isb
 	ret
 endfunc cortex_a72_reset_func
@@ -211,9 +211,9 @@
 
 func cortex_a72_cpu_reg_dump
 	adr	x6, cortex_a72_regs
-	mrs	x8, CPUECTLR_EL1
-	mrs	x9, CPUMERRSR_EL1
-	mrs	x10, L2MERRSR_EL1
+	mrs	x8, CORTEX_A72_ECTLR_EL1
+	mrs	x9, CORTEX_A72_MERRSR_EL1
+	mrs	x10, CORTEX_A72_L2MERRSR_EL1
 	ret
 endfunc cortex_a72_cpu_reg_dump
 
diff --git a/lib/cpus/errata_report.c b/lib/cpus/errata_report.c
index 4d9757e..1e1fc78 100644
--- a/lib/cpus/errata_report.c
+++ b/lib/cpus/errata_report.c
@@ -60,7 +60,7 @@
  * Applied: INFO
  * Not applied: VERBOSE
  */
-void errata_print_msg(int status, const char *cpu, const char *id)
+void errata_print_msg(unsigned int status, const char *cpu, const char *id)
 {
 	/* Errata status strings */
 	static const char *const errata_status_str[] = {
diff --git a/lib/psci/psci_common.c b/lib/psci/psci_common.c
index 763de04..f31b323 100644
--- a/lib/psci/psci_common.c
+++ b/lib/psci/psci_common.c
@@ -332,7 +332,7 @@
 				      unsigned int node_index[])
 {
 	unsigned int parent_node = psci_cpu_pd_nodes[cpu_idx].parent_node;
-	int i;
+	unsigned int i;
 
 	for (i = PSCI_CPU_PWR_LVL + 1; i <= end_lvl; i++) {
 		*node_index++ = parent_node;
@@ -901,7 +901,7 @@
  *****************************************************************************/
 int psci_secondaries_brought_up(void)
 {
-	int idx, n_valid = 0;
+	unsigned int idx, n_valid = 0;
 
 	for (idx = 0; idx < ARRAY_SIZE(psci_cpu_pd_nodes); idx++) {
 		if (psci_cpu_pd_nodes[idx].mpidr != PSCI_INVALID_MPIDR)
diff --git a/lib/psci/psci_main.c b/lib/psci/psci_main.c
index 2a6644b..257479a 100644
--- a/lib/psci/psci_main.c
+++ b/lib/psci/psci_main.c
@@ -209,7 +209,7 @@
 int psci_affinity_info(u_register_t target_affinity,
 		       unsigned int lowest_affinity_level)
 {
-	unsigned int target_idx;
+	int target_idx;
 
 	/* We dont support level higher than PSCI_CPU_PWR_LVL */
 	if (lowest_affinity_level > PSCI_CPU_PWR_LVL)
diff --git a/lib/psci/psci_off.c b/lib/psci/psci_off.c
index 8be44c3..e7fb653 100644
--- a/lib/psci/psci_off.c
+++ b/lib/psci/psci_off.c
@@ -19,7 +19,7 @@
  ******************************************************************************/
 static void psci_set_power_off_state(psci_power_state_t *state_info)
 {
-	int lvl;
+	unsigned int lvl;
 
 	for (lvl = PSCI_CPU_PWR_LVL; lvl <= PLAT_MAX_PWR_LVL; lvl++)
 		state_info->pwr_domain_state[lvl] = PLAT_MAX_OFF_STATE;
diff --git a/lib/xlat_tables_v2/xlat_tables_internal.c b/lib/xlat_tables_v2/xlat_tables_internal.c
index 2d556e6..e1a252b 100644
--- a/lib/xlat_tables_v2/xlat_tables_internal.c
+++ b/lib/xlat_tables_v2/xlat_tables_internal.c
@@ -37,7 +37,7 @@
  */
 static int xlat_table_get_index(xlat_ctx_t *ctx, const uint64_t *table)
 {
-	for (int i = 0; i < ctx->tables_num; i++)
+	for (unsigned int i = 0; i < ctx->tables_num; i++)
 		if (ctx->tables[i] == table)
 			return i;
 
@@ -53,7 +53,7 @@
 /* Returns a pointer to an empty translation table. */
 static uint64_t *xlat_table_get_empty(xlat_ctx_t *ctx)
 {
-	for (int i = 0; i < ctx->tables_num; i++)
+	for (unsigned int i = 0; i < ctx->tables_num; i++)
 		if (ctx->tables_mapped_regions[i] == 0)
 			return ctx->tables[i];
 
@@ -203,7 +203,7 @@
 				     const uintptr_t table_base_va,
 				     uint64_t *const table_base,
 				     const int table_entries,
-				     const int level)
+				     const unsigned int level)
 {
 	assert(level >= ctx->base_level && level <= XLAT_TABLE_LEVEL_MAX);
 
@@ -468,7 +468,7 @@
 				   const uintptr_t table_base_va,
 				   uint64_t *const table_base,
 				   const int table_entries,
-				   const int level)
+				   const unsigned int level)
 {
 	assert(level >= ctx->base_level && level <= XLAT_TABLE_LEVEL_MAX);
 
@@ -1053,14 +1053,14 @@
 
 	/* All tables must be zeroed before mapping any region. */
 
-	for (int i = 0; i < ctx->base_table_entries; i++)
+	for (unsigned int i = 0; i < ctx->base_table_entries; i++)
 		ctx->base_table[i] = INVALID_DESC;
 
-	for (int j = 0; j < ctx->tables_num; j++) {
+	for (unsigned int j = 0; j < ctx->tables_num; j++) {
 #if PLAT_XLAT_TABLES_DYNAMIC
 		ctx->tables_mapped_regions[j] = 0;
 #endif
-		for (int i = 0; i < XLAT_TABLE_ENTRIES; i++)
+		for (unsigned int i = 0; i < XLAT_TABLE_ENTRIES; i++)
 			ctx->tables[j][i] = INVALID_DESC;
 	}
 
diff --git a/lib/xlat_tables_v2/xlat_tables_private.h b/lib/xlat_tables_v2/xlat_tables_private.h
index 7b3e555..83e0b6e 100644
--- a/lib/xlat_tables_v2/xlat_tables_private.h
+++ b/lib/xlat_tables_v2/xlat_tables_private.h
@@ -52,7 +52,7 @@
 	 * null entry.
 	 */
 	mmap_region_t *mmap;
-	int mmap_num;
+	unsigned int mmap_num;
 
 	/*
 	 * Array of finer-grain translation tables.
@@ -60,7 +60,7 @@
 	 * contain both level-2 and level-3 entries.
 	 */
 	uint64_t (*tables)[XLAT_TABLE_ENTRIES];
-	int tables_num;
+	unsigned int tables_num;
 	/*
 	 * Keep track of how many regions are mapped in each table. The base
 	 * table can't be unmapped so it isn't needed to keep track of it.
@@ -69,14 +69,14 @@
 	int *tables_mapped_regions;
 #endif /* PLAT_XLAT_TABLES_DYNAMIC */
 
-	int next_table;
+	unsigned int next_table;
 
 	/*
 	 * Base translation table. It doesn't need to have the same amount of
 	 * entries as the ones used for other levels.
 	 */
 	uint64_t *base_table;
-	int base_table_entries;
+	unsigned int base_table_entries;
 
 	/*
 	 * Max Physical and Virtual addresses currently in use by the
@@ -87,10 +87,10 @@
 	uintptr_t max_va;
 
 	/* Level of the base translation table. */
-	int base_level;
+	unsigned int base_level;
 
 	/* Set to 1 when the translation tables are initialized. */
-	int initialized;
+	unsigned int initialized;
 
 	/*
 	 * Bit mask that has to be ORed to the rest of a translation table
diff --git a/plat/arm/board/juno/aarch64/juno_helpers.S b/plat/arm/board/juno/aarch64/juno_helpers.S
index e411360..8d00a1a 100644
--- a/plat/arm/board/juno/aarch64/juno_helpers.S
+++ b/plat/arm/board/juno/aarch64/juno_helpers.S
@@ -86,9 +86,9 @@
 	 * Cortex-A57 specific settings
 	 * --------------------------------------------------------------------
 	 */
-	mov	x0, #((L2_DATA_RAM_LATENCY_3_CYCLES << L2CTLR_DATA_RAM_LATENCY_SHIFT) |	\
-		      (L2_TAG_RAM_LATENCY_3_CYCLES << L2CTLR_TAG_RAM_LATENCY_SHIFT))
-	msr     L2CTLR_EL1, x0
+	mov	x0, #((CORTEX_A57_L2_DATA_RAM_LATENCY_3_CYCLES << CORTEX_A57_L2CTLR_DATA_RAM_LATENCY_SHIFT) |	\
+		      (CORTEX_A57_L2_TAG_RAM_LATENCY_3_CYCLES << CORTEX_A57_L2CTLR_TAG_RAM_LATENCY_SHIFT))
+	msr     CORTEX_A57_L2CTLR_EL1, x0
 1:
 	isb
 	ret
@@ -123,8 +123,8 @@
 	 * Cortex-A57 specific settings
 	 * --------------------------------------------------------------------
 	 */
-	mov	x0, #(L2_DATA_RAM_LATENCY_3_CYCLES << L2CTLR_DATA_RAM_LATENCY_SHIFT)
-	msr     L2CTLR_EL1, x0
+	mov	x0, #(CORTEX_A57_L2_DATA_RAM_LATENCY_3_CYCLES << CORTEX_A57_L2CTLR_DATA_RAM_LATENCY_SHIFT)
+	msr     CORTEX_A57_L2CTLR_EL1, x0
 	isb
 	ret
 endfunc JUNO_HANDLER(1)
@@ -157,9 +157,9 @@
 	 * Cortex-A72 specific settings
 	 * --------------------------------------------------------------------
 	 */
-	mov	x0, #((L2_DATA_RAM_LATENCY_3_CYCLES << L2CTLR_DATA_RAM_LATENCY_SHIFT) |	\
-		      (L2_TAG_RAM_LATENCY_2_CYCLES << L2CTLR_TAG_RAM_LATENCY_SHIFT))
-	msr     L2CTLR_EL1, x0
+	mov	x0, #((CORTEX_A72_L2_DATA_RAM_LATENCY_3_CYCLES << CORTEX_A72_L2CTLR_DATA_RAM_LATENCY_SHIFT) |	\
+		      (CORTEX_A72_L2_TAG_RAM_LATENCY_2_CYCLES << CORTEX_A72_L2CTLR_TAG_RAM_LATENCY_SHIFT))
+	msr     CORTEX_A57_L2CTLR_EL1, x0
 	isb
 	ret
 endfunc JUNO_HANDLER(2)
diff --git a/plat/hisilicon/hikey/hisi_pwrc_sram.S b/plat/hisilicon/hikey/hisi_pwrc_sram.S
index 054763b..1fb63ea 100644
--- a/plat/hisilicon/hikey/hisi_pwrc_sram.S
+++ b/plat/hisilicon/hikey/hisi_pwrc_sram.S
@@ -20,11 +20,11 @@
 	mov	x0, 0
 	msr	oslar_el1, x0
 
-	mrs	x0, CPUACTLR_EL1
-	bic	x0, x0, #(CPUACTLR_RADIS | CPUACTLR_L1RADIS)
+	mrs	x0, CORTEX_A53_ACTLR_EL1
+	bic	x0, x0, #(CORTEX_A53_ACTLR_RADIS | CORTEX_A53_ACTLR_L1RADIS)
 	orr	x0, x0, #0x180000
 	orr	x0, x0, #0xe000
-	msr	CPUACTLR_EL1, x0
+	msr	CORTEX_A53_ACTLR_EL1, x0
 
 	mrs	x3, actlr_el3
 	orr	x3, x3, #ACTLR_EL3_L2ECTLR_BIT
diff --git a/plat/nvidia/tegra/common/aarch64/tegra_helpers.S b/plat/nvidia/tegra/common/aarch64/tegra_helpers.S
index 1a4236f..22389f2 100644
--- a/plat/nvidia/tegra/common/aarch64/tegra_helpers.S
+++ b/plat/nvidia/tegra/common/aarch64/tegra_helpers.S
@@ -68,18 +68,18 @@
 	 * Enable processor retention
 	 * ---------------------------
 	 */
-	mrs	x0, L2ECTLR_EL1
-	mov	x1, #RETENTION_ENTRY_TICKS_512 << L2ECTLR_RET_CTRL_SHIFT
-	bic	x0, x0, #L2ECTLR_RET_CTRL_MASK
+	mrs	x0, CORTEX_A57_L2ECTLR_EL1
+	mov	x1, #RETENTION_ENTRY_TICKS_512
+	bic	x0, x0, #CORTEX_A57_L2ECTLR_RET_CTRL_MASK
 	orr	x0, x0, x1
-	msr	L2ECTLR_EL1, x0
+	msr	CORTEX_A57_L2ECTLR_EL1, x0
 	isb
 
-	mrs	x0, CPUECTLR_EL1
-	mov	x1, #RETENTION_ENTRY_TICKS_512 << CPUECTLR_CPU_RET_CTRL_SHIFT
-	bic	x0, x0, #CPUECTLR_CPU_RET_CTRL_MASK
+	mrs	x0, CORTEX_A57_ECTLR_EL1
+	mov	x1, #RETENTION_ENTRY_TICKS_512
+	bic	x0, x0, #CORTEX_A57_ECTLR_CPU_RET_CTRL_MASK
 	orr	x0, x0, x1
-	msr	CPUECTLR_EL1, x0
+	msr	CORTEX_A57_ECTLR_EL1, x0
 	isb
 
 	/* -------------------------------------------------------
@@ -98,11 +98,11 @@
 	adr	x0, tegra_enable_l2_ecc_parity_prot
 	ldr	x0, [x0]
 	cbz	x0, 1f
-	mrs	x0, L2CTLR_EL1
-	and	x1, x0, #L2_ECC_PARITY_PROTECTION_BIT
+	mrs	x0, CORTEX_A57_L2CTLR_EL1
+	and	x1, x0, #CORTEX_A57_L2_ECC_PARITY_PROTECTION_BIT
 	cbnz	x1, 1f
-	orr	x0, x0, #L2_ECC_PARITY_PROTECTION_BIT
-	msr	L2CTLR_EL1, x0
+	orr	x0, x0, #CORTEX_A57_L2_ECC_PARITY_PROTECTION_BIT
+	msr	CORTEX_A57_L2CTLR_EL1, x0
 	isb
 
 	/* --------------------------------
@@ -317,18 +317,18 @@
 	 * entries from the branch predictor array.
 	 * -------------------------------------------------------
 	 */
-	mrs	x0, CPUACTLR_EL1
+	mrs	x0, CORTEX_A57_ACTLR_EL1
 	orr	x0, x0, #1
-	msr	CPUACTLR_EL1, x0	/* invalidate BTB and I$ together */
+	msr	CORTEX_A57_ACTLR_EL1, x0	/* invalidate BTB and I$ together */
 	dsb	sy
 	isb
 	ic	iallu			/* actual invalidate */
 	dsb	sy
 	isb
 
-	mrs	x0, CPUACTLR_EL1
+	mrs	x0, CORTEX_A57_ACTLR_EL1
 	bic	x0, x0, #1
-	msr	CPUACTLR_EL1, X0	/* restore original CPUACTLR_EL1 */
+	msr	CORTEX_A57_ACTLR_EL1, X0	/* restore original CPUACTLR_EL1 */
 	dsb	sy
 	isb
 
@@ -352,7 +352,7 @@
 	msr	oslar_el1, x0		/* os lock stays 0 across warm reset */
 	mov	x3, #3
 	movz	x4, #0x8000, lsl #48
-	msr	CPUACTLR_EL1, x4	/* turn off RCG */
+	msr	CORTEX_A57_ACTLR_EL1, x4	/* turn off RCG */
 	isb
 	msr	rmr_el3, x3		/* request warm reset */
 	isb
diff --git a/plat/nvidia/tegra/common/drivers/memctrl/memctrl_v1.c b/plat/nvidia/tegra/common/drivers/memctrl/memctrl_v1.c
index 2faefc8..9944e72 100644
--- a/plat/nvidia/tegra/common/drivers/memctrl/memctrl_v1.c
+++ b/plat/nvidia/tegra/common/drivers/memctrl/memctrl_v1.c
@@ -15,9 +15,6 @@
 #include <utils.h>
 #include <xlat_tables_v2.h>
 
-#define TEGRA_GPU_RESET_REG_OFFSET	0x28c
-#define  GPU_RESET_BIT			(1 << 24)
-
 /* Video Memory base and size (live values) */
 static uint64_t video_mem_base;
 static uint64_t video_mem_size;
@@ -135,21 +132,9 @@
 {
 	uintptr_t vmem_end_old = video_mem_base + (video_mem_size << 20);
 	uintptr_t vmem_end_new = phys_base + size_in_bytes;
-	uint32_t regval;
 	unsigned long long non_overlap_area_size;
 
 	/*
-	 * The GPU is the user of the Video Memory region. In order to
-	 * transition to the new memory region smoothly, we program the
-	 * new base/size ONLY if the GPU is in reset mode.
-	 */
-	regval = mmio_read_32(TEGRA_CAR_RESET_BASE + TEGRA_GPU_RESET_REG_OFFSET);
-	if ((regval & GPU_RESET_BIT) == 0) {
-		ERROR("GPU not in reset! Video Memory setup failed\n");
-		return;
-	}
-
-	/*
 	 * Setup the Memory controller to restrict CPU accesses to the Video
 	 * Memory region
 	 */
diff --git a/plat/nvidia/tegra/common/drivers/memctrl/memctrl_v2.c b/plat/nvidia/tegra/common/drivers/memctrl/memctrl_v2.c
index e0e67d5..92fdadc 100644
--- a/plat/nvidia/tegra/common/drivers/memctrl/memctrl_v2.c
+++ b/plat/nvidia/tegra/common/drivers/memctrl/memctrl_v2.c
@@ -19,9 +19,6 @@
 #include <utils.h>
 #include <xlat_tables_v2.h>
 
-#define TEGRA_GPU_RESET_REG_OFFSET	0x30
-#define  GPU_RESET_BIT			(1 << 0)
-
 /* Video Memory base and size (live values) */
 static uint64_t video_mem_base;
 static uint64_t video_mem_size_mb;
@@ -254,32 +251,12 @@
 	wdata_0 = MC_CLIENT_HOTRESET_CTRL0_RESET_VAL;
 	tegra_mc_write_32(MC_CLIENT_HOTRESET_CTRL0, wdata_0);
 
-	/* Wait for HOTRESET STATUS to indicate FLUSH_DONE */
-	do {
-		val = tegra_mc_read_32(MC_CLIENT_HOTRESET_STATUS0);
-	} while ((val & wdata_0) != wdata_0);
-
-	/* Wait one more time due to SW WAR for known legacy issue */
-	do {
-		val = tegra_mc_read_32(MC_CLIENT_HOTRESET_STATUS0);
-	} while ((val & wdata_0) != wdata_0);
-
 	val = tegra_mc_read_32(MC_CLIENT_HOTRESET_CTRL1);
 	assert(val == wdata_1);
 
 	wdata_1 = MC_CLIENT_HOTRESET_CTRL1_RESET_VAL;
 	tegra_mc_write_32(MC_CLIENT_HOTRESET_CTRL1, wdata_1);
 
-	/* Wait for HOTRESET STATUS to indicate FLUSH_DONE */
-	do {
-		val = tegra_mc_read_32(MC_CLIENT_HOTRESET_STATUS1);
-	} while ((val & wdata_1) != wdata_1);
-
-	/* Wait one more time due to SW WAR for known legacy issue */
-	do {
-		val = tegra_mc_read_32(MC_CLIENT_HOTRESET_STATUS1);
-	} while ((val & wdata_1) != wdata_1);
-
 #endif
 }
 
@@ -623,21 +600,9 @@
 {
 	uintptr_t vmem_end_old = video_mem_base + (video_mem_size_mb << 20);
 	uintptr_t vmem_end_new = phys_base + size_in_bytes;
-	uint32_t regval;
 	unsigned long long non_overlap_area_size;
 
 	/*
-	 * The GPU is the user of the Video Memory region. In order to
-	 * transition to the new memory region smoothly, we program the
-	 * new base/size ONLY if the GPU is in reset mode.
-	 */
-	regval = mmio_read_32(TEGRA_CAR_RESET_BASE + TEGRA_GPU_RESET_REG_OFFSET);
-	if ((regval & GPU_RESET_BIT) == 0U) {
-		ERROR("GPU not in reset! Video Memory setup failed\n");
-		return;
-	}
-
-	/*
 	 * Setup the Memory controller to restrict CPU accesses to the Video
 	 * Memory region
 	 */
diff --git a/plat/nvidia/tegra/common/drivers/pmc/pmc.c b/plat/nvidia/tegra/common/drivers/pmc/pmc.c
index 09e4c4a..d8827e1 100644
--- a/plat/nvidia/tegra/common/drivers/pmc/pmc.c
+++ b/plat/nvidia/tegra/common/drivers/pmc/pmc.c
@@ -11,8 +11,10 @@
 #include <pmc.h>
 #include <tegra_def.h>
 
+#define RESET_ENABLE	0x10U
+
 /* Module IDs used during power ungate procedure */
-static const int pmc_cpu_powergate_id[4] = {
+static const uint32_t pmc_cpu_powergate_id[4] = {
 	0, /* CPU 0 */
 	9, /* CPU 1 */
 	10, /* CPU 2 */
@@ -23,7 +25,7 @@
  * Power ungate CPU to start the boot process. CPU reset vectors must be
  * populated before calling this function.
  ******************************************************************************/
-void tegra_pmc_cpu_on(int cpu)
+void tegra_pmc_cpu_on(int32_t cpu)
 {
 	uint32_t val;
 
@@ -31,35 +33,34 @@
 	 * Check if CPU is already power ungated
 	 */
 	val = tegra_pmc_read_32(PMC_PWRGATE_STATUS);
-	if (val & (1 << pmc_cpu_powergate_id[cpu]))
-		return;
-
-	/*
-	 * The PMC deasserts the START bit when it starts the power
-	 * ungate process. Loop till no power toggle is in progress.
-	 */
-	do {
-		val = tegra_pmc_read_32(PMC_PWRGATE_TOGGLE);
-	} while (val & PMC_TOGGLE_START);
+	if ((val & (1U << pmc_cpu_powergate_id[cpu])) == 0U) {
+		/*
+		 * The PMC deasserts the START bit when it starts the power
+		 * ungate process. Loop till no power toggle is in progress.
+		 */
+		do {
+			val = tegra_pmc_read_32(PMC_PWRGATE_TOGGLE);
+		} while ((val & PMC_TOGGLE_START) != 0U);
 
-	/*
-	 * Start the power ungate procedure
-	 */
-	val = pmc_cpu_powergate_id[cpu] | PMC_TOGGLE_START;
-	tegra_pmc_write_32(PMC_PWRGATE_TOGGLE, val);
+		/*
+		 * Start the power ungate procedure
+		 */
+		val = pmc_cpu_powergate_id[cpu] | PMC_TOGGLE_START;
+		tegra_pmc_write_32(PMC_PWRGATE_TOGGLE, val);
 
-	/*
-	 * The PMC deasserts the START bit when it starts the power
-	 * ungate process. Loop till powergate START bit is asserted.
-	 */
-	do {
-		val = tegra_pmc_read_32(PMC_PWRGATE_TOGGLE);
-	} while (val & (1 << 8));
+		/*
+		 * The PMC deasserts the START bit when it starts the power
+		 * ungate process. Loop till powergate START bit is asserted.
+		 */
+		do {
+			val = tegra_pmc_read_32(PMC_PWRGATE_TOGGLE);
+		} while ((val & (1U << 8)) != 0U);
 
-	/* loop till the CPU is power ungated */
-	do {
-		val = tegra_pmc_read_32(PMC_PWRGATE_STATUS);
-	} while ((val & (1 << pmc_cpu_powergate_id[cpu])) == 0);
+		/* loop till the CPU is power ungated */
+		do {
+			val = tegra_pmc_read_32(PMC_PWRGATE_STATUS);
+		} while ((val & (1U << pmc_cpu_powergate_id[cpu])) == 0U);
+	}
 }
 
 /*******************************************************************************
@@ -69,9 +70,10 @@
 {
 	uint32_t val;
 
-	tegra_pmc_write_32(PMC_SECURE_SCRATCH34, (reset_addr & 0xFFFFFFFF) | 1);
-	val = reset_addr >> 32;
-	tegra_pmc_write_32(PMC_SECURE_SCRATCH35, val & 0x7FF);
+	tegra_pmc_write_32(PMC_SECURE_SCRATCH34,
+			   ((uint32_t)reset_addr & 0xFFFFFFFFU) | 1U);
+	val = (uint32_t)(reset_addr >> 32U);
+	tegra_pmc_write_32(PMC_SECURE_SCRATCH35, val & 0x7FFU);
 }
 
 /*******************************************************************************
@@ -101,7 +103,7 @@
 	uint32_t reg;
 
 	reg = tegra_pmc_read_32(PMC_CONFIG);
-	reg |= 0x10;		/* restart */
+	reg |= RESET_ENABLE;		/* restart */
 	tegra_pmc_write_32(PMC_CONFIG, reg);
 	wfi();
 
diff --git a/plat/nvidia/tegra/common/tegra_delay_timer.c b/plat/nvidia/tegra/common/tegra_delay_timer.c
index 56c9851..3bd2b0e 100644
--- a/plat/nvidia/tegra/common/tegra_delay_timer.c
+++ b/plat/nvidia/tegra/common/tegra_delay_timer.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -7,23 +7,24 @@
 #include <delay_timer.h>
 #include <mmio.h>
 #include <tegra_def.h>
+#include <tegra_private.h>
 
 static uint32_t tegra_timerus_get_value(void)
 {
 	return mmio_read_32(TEGRA_TMRUS_BASE);
 }
 
-static const timer_ops_t tegra_timer_ops = {
-	.get_timer_value	= tegra_timerus_get_value,
-	.clk_mult		= 1,
-	.clk_div		= 1,
-};
-
 /*
  * Initialise the on-chip free rolling us counter as the delay
  * timer.
  */
 void tegra_delay_timer_init(void)
 {
+	static const timer_ops_t tegra_timer_ops = {
+		.get_timer_value	= tegra_timerus_get_value,
+		.clk_mult		= 1,
+		.clk_div		= 1,
+	};
+
 	timer_init(&tegra_timer_ops);
 }
diff --git a/plat/nvidia/tegra/common/tegra_fiq_glue.c b/plat/nvidia/tegra/common/tegra_fiq_glue.c
index c2bfb1c..2f43958 100644
--- a/plat/nvidia/tegra/common/tegra_fiq_glue.c
+++ b/plat/nvidia/tegra/common/tegra_fiq_glue.c
@@ -18,13 +18,13 @@
 #include <tegra_def.h>
 #include <tegra_private.h>
 
-DEFINE_BAKERY_LOCK(tegra_fiq_lock);
+static DEFINE_BAKERY_LOCK(tegra_fiq_lock);
 
 /*******************************************************************************
  * Static variables
  ******************************************************************************/
 static uint64_t ns_fiq_handler_addr;
-static unsigned int fiq_handler_active;
+static uint32_t fiq_handler_active;
 static pcpu_fiq_state_t fiq_state[PLATFORM_CORE_COUNT];
 
 /*******************************************************************************
@@ -37,7 +37,7 @@
 {
 	cpu_context_t *ctx = cm_get_context(NON_SECURE);
 	el3_state_t *el3state_ctx = get_el3state_ctx(ctx);
-	int cpu = plat_my_core_pos();
+	uint32_t cpu = plat_my_core_pos();
 	uint32_t irq;
 
 	bakery_lock_get(&tegra_fiq_lock);
@@ -52,22 +52,23 @@
 	 * Save elr_el3 and spsr_el3 from the saved context, and overwrite
 	 * the context with the NS fiq_handler_addr and SPSR value.
 	 */
-	fiq_state[cpu].elr_el3 = read_ctx_reg(el3state_ctx, CTX_ELR_EL3);
-	fiq_state[cpu].spsr_el3 = read_ctx_reg(el3state_ctx, CTX_SPSR_EL3);
+	fiq_state[cpu].elr_el3 = read_ctx_reg((el3state_ctx), (uint32_t)(CTX_ELR_EL3));
+	fiq_state[cpu].spsr_el3 = read_ctx_reg((el3state_ctx), (uint32_t)(CTX_SPSR_EL3));
 
 	/*
 	 * Set the new ELR to continue execution in the NS world using the
 	 * FIQ handler registered earlier.
 	 */
 	assert(ns_fiq_handler_addr);
-	write_ctx_reg(el3state_ctx, CTX_ELR_EL3, ns_fiq_handler_addr);
+	write_ctx_reg((el3state_ctx), (uint32_t)(CTX_ELR_EL3), (ns_fiq_handler_addr));
 
 	/*
 	 * Mark this interrupt as complete to avoid a FIQ storm.
 	 */
 	irq = plat_ic_acknowledge_interrupt();
-	if (irq < 1022)
+	if (irq < 1022U) {
 		plat_ic_end_of_interrupt(irq);
+	}
 
 	bakery_lock_release(&tegra_fiq_lock);
 
@@ -79,27 +80,27 @@
  ******************************************************************************/
 void tegra_fiq_handler_setup(void)
 {
-	uint64_t flags;
-	int rc;
+	uint32_t flags;
+	int32_t rc;
 
 	/* return if already registered */
-	if (fiq_handler_active)
-		return;
+	if (fiq_handler_active == 0U) {
+		/*
+		 * Register an interrupt handler for FIQ interrupts generated for
+		 * NS interrupt sources
+		 */
+		flags = 0U;
+		set_interrupt_rm_flag((flags), (NON_SECURE));
+		rc = register_interrupt_type_handler(INTR_TYPE_EL3,
+					tegra_fiq_interrupt_handler,
+					flags);
+		if (rc != 0) {
+			panic();
+		}
 
-	/*
-	 * Register an interrupt handler for FIQ interrupts generated for
-	 * NS interrupt sources
-	 */
-	flags = 0;
-	set_interrupt_rm_flag(flags, NON_SECURE);
-	rc = register_interrupt_type_handler(INTR_TYPE_EL3,
-				tegra_fiq_interrupt_handler,
-				flags);
-	if (rc)
-		panic();
-
-	/* handler is now active */
-	fiq_handler_active = 1;
+		/* handler is now active */
+		fiq_handler_active = 1;
+	}
 }
 
 /*******************************************************************************
@@ -113,26 +114,26 @@
 /*******************************************************************************
  * Handler to return the NS EL1/EL0 CPU context
  ******************************************************************************/
-int tegra_fiq_get_intr_context(void)
+int32_t tegra_fiq_get_intr_context(void)
 {
 	cpu_context_t *ctx = cm_get_context(NON_SECURE);
 	gp_regs_t *gpregs_ctx = get_gpregs_ctx(ctx);
-	el1_sys_regs_t *el1state_ctx = get_sysregs_ctx(ctx);
-	int cpu = plat_my_core_pos();
+	const el1_sys_regs_t *el1state_ctx = get_sysregs_ctx(ctx);
+	uint32_t cpu = plat_my_core_pos();
 	uint64_t val;
 
 	/*
 	 * We store the ELR_EL3, SPSR_EL3, SP_EL0 and SP_EL1 registers so
 	 * that el3_exit() sends these values back to the NS world.
 	 */
-	write_ctx_reg(gpregs_ctx, CTX_GPREG_X0, fiq_state[cpu].elr_el3);
-	write_ctx_reg(gpregs_ctx, CTX_GPREG_X1, fiq_state[cpu].spsr_el3);
+	write_ctx_reg((gpregs_ctx), (uint32_t)(CTX_GPREG_X0), (fiq_state[cpu].elr_el3));
+	write_ctx_reg((gpregs_ctx), (uint32_t)(CTX_GPREG_X1), (fiq_state[cpu].spsr_el3));
 
-	val = read_ctx_reg(gpregs_ctx, CTX_GPREG_SP_EL0);
-	write_ctx_reg(gpregs_ctx, CTX_GPREG_X2, val);
+	val = read_ctx_reg((gpregs_ctx), (uint32_t)(CTX_GPREG_SP_EL0));
+	write_ctx_reg((gpregs_ctx), (uint32_t)(CTX_GPREG_X2), (val));
 
-	val = read_ctx_reg(el1state_ctx, CTX_SP_EL1);
-	write_ctx_reg(gpregs_ctx, CTX_GPREG_X3, val);
+	val = read_ctx_reg((el1state_ctx), (uint32_t)(CTX_SP_EL1));
+	write_ctx_reg((gpregs_ctx), (uint32_t)(CTX_GPREG_X3), (val));
 
 	return 0;
 }
diff --git a/plat/nvidia/tegra/common/tegra_gic.c b/plat/nvidia/tegra/common/tegra_gic.c
index 4a84eec..ae56d55 100644
--- a/plat/nvidia/tegra/common/tegra_gic.c
+++ b/plat/nvidia/tegra/common/tegra_gic.c
@@ -24,7 +24,7 @@
 	(GIC_HIGHEST_NS_PRIORITY << 24))
 
 static const irq_sec_cfg_t *g_irq_sec_ptr;
-static unsigned int g_num_irqs;
+static uint32_t g_num_irqs;
 
 /*******************************************************************************
  * Place the cpu interface in a state where it can never make a cpu exit wfi as
@@ -32,7 +32,7 @@
  ******************************************************************************/
 void tegra_gic_cpuif_deactivate(void)
 {
-	unsigned int val;
+	uint32_t val;
 
 	/* Disable secure, non-secure interrupts and disable their bypass */
 	val = gicc_read_ctlr(TEGRA_GICC_BASE);
@@ -46,9 +46,9 @@
  * Enable secure interrupts and set the priority mask register to allow all
  * interrupts to trickle in.
  ******************************************************************************/
-static void tegra_gic_cpuif_setup(unsigned int gicc_base)
+static void tegra_gic_cpuif_setup(uint32_t gicc_base)
 {
-	unsigned int val;
+	uint32_t val;
 
 	val = ENABLE_GRP0 | ENABLE_GRP1 | FIQ_EN | FIQ_BYP_DIS_GRP0;
 	val |= IRQ_BYP_DIS_GRP0 | FIQ_BYP_DIS_GRP1 | IRQ_BYP_DIS_GRP1;
@@ -61,14 +61,14 @@
  * Per cpu gic distributor setup which will be done by all cpus after a cold
  * boot/hotplug. This marks out the secure interrupts & enables them.
  ******************************************************************************/
-static void tegra_gic_pcpu_distif_setup(unsigned int gicd_base)
+static void tegra_gic_pcpu_distif_setup(uint32_t gicd_base)
 {
-	unsigned int index, sec_ppi_sgi_mask = 0;
+	uint32_t index, sec_ppi_sgi_mask = 0;
 
-	assert(gicd_base);
+	assert(gicd_base != 0U);
 
 	/* Setup PPI priorities doing four at a time */
-	for (index = 0; index < 32; index += 4) {
+	for (index = 0U; index < 32U; index += 4U) {
 		gicd_write_ipriorityr(gicd_base, index,
 				GICD_IPRIORITYR_DEF_VAL);
 	}
@@ -87,9 +87,9 @@
  * cold boot. It marks out the non secure SPIs, PPIs & SGIs and enables them.
  * It then enables the secure GIC distributor interface.
  ******************************************************************************/
-static void tegra_gic_distif_setup(unsigned int gicd_base)
+static void tegra_gic_distif_setup(uint32_t gicd_base)
 {
-	unsigned int index, num_ints, irq_num;
+	uint32_t index, num_ints, irq_num;
 	uint8_t target_cpus;
 	uint32_t val;
 
@@ -99,22 +99,23 @@
 	 * number of IT_LINES
 	 */
 	num_ints = gicd_read_typer(gicd_base) & IT_LINES_NO_MASK;
-	num_ints = (num_ints + 1) << 5;
-	for (index = MIN_SPI_ID; index < num_ints; index += 32)
-		gicd_write_igroupr(gicd_base, index, ~0);
+	num_ints = (num_ints + 1U) << 5;
+	for (index = MIN_SPI_ID; index < num_ints; index += 32U) {
+		gicd_write_igroupr(gicd_base, index, 0xFFFFFFFFU);
+	}
 
 	/* Setup SPI priorities doing four at a time */
-	for (index = MIN_SPI_ID; index < num_ints; index += 4) {
+	for (index = MIN_SPI_ID; index < num_ints; index += 4U) {
 		gicd_write_ipriorityr(gicd_base, index,
 				GICD_IPRIORITYR_DEF_VAL);
 	}
 
 	/* Configure SPI secure interrupts now */
-	if (g_irq_sec_ptr) {
+	if (g_irq_sec_ptr != NULL) {
 
-		for (index = 0; index < g_num_irqs; index++) {
-			irq_num = (g_irq_sec_ptr + index)->irq;
-			target_cpus = (g_irq_sec_ptr + index)->target_cpus;
+		for (index = 0U; index < g_num_irqs; index++) {
+			irq_num = g_irq_sec_ptr[index].irq;
+			target_cpus = (uint8_t)g_irq_sec_ptr[index].target_cpus;
 
 			if (irq_num >= MIN_SPI_ID) {
 
@@ -122,14 +123,15 @@
 				gicd_clr_igroupr(gicd_base, irq_num);
 
 				/* Configure SPI priority */
-				mmio_write_8(gicd_base + GICD_IPRIORITYR +
-					irq_num,
+				mmio_write_8((uint64_t)gicd_base +
+					(uint64_t)GICD_IPRIORITYR +
+					(uint64_t)irq_num,
 					GIC_HIGHEST_SEC_PRIORITY &
 					GIC_PRI_MASK);
 
 				/* Configure as level triggered */
 				val = gicd_read_icfgr(gicd_base, irq_num);
-				val |= (3 << ((irq_num & 0xF) << 1));
+				val |= (3U << ((irq_num & 0xFU) << 1U));
 				gicd_write_icfgr(gicd_base, irq_num, val);
 
 				/* Route SPI to the target CPUs */
@@ -153,7 +155,7 @@
 	gicd_write_ctlr(gicd_base, ENABLE_GRP0 | ENABLE_GRP1);
 }
 
-void tegra_gic_setup(const irq_sec_cfg_t *irq_sec_ptr, unsigned int num_irqs)
+void tegra_gic_setup(const irq_sec_cfg_t *irq_sec_ptr, uint32_t num_irqs)
 {
 	g_irq_sec_ptr = irq_sec_ptr;
 	g_num_irqs = num_irqs;
@@ -172,12 +174,12 @@
  * SCR_EL3 to control its routing to EL3. The interrupt line is represented as
  * the bit position of the IRQ or FIQ bit in the SCR_EL3.
  ******************************************************************************/
-uint32_t tegra_gic_interrupt_type_to_line(uint32_t type,
+static uint32_t tegra_gic_interrupt_type_to_line(uint32_t type,
 				uint32_t security_state)
 {
-	assert(type == INTR_TYPE_S_EL1 ||
-	       type == INTR_TYPE_EL3 ||
-	       type == INTR_TYPE_NS);
+	assert((type == INTR_TYPE_S_EL1) ||
+	       (type == INTR_TYPE_EL3) ||
+	       (type == INTR_TYPE_NS));
 
 	assert(sec_state_is_valid(security_state));
 
@@ -199,25 +201,29 @@
  * the GIC cpu interface. INTR_TYPE_INVAL is returned when there is no
  * interrupt pending.
  ******************************************************************************/
-uint32_t tegra_gic_get_pending_interrupt_type(void)
+static uint32_t tegra_gic_get_pending_interrupt_type(void)
 {
 	uint32_t id;
-	unsigned int index;
+	uint32_t index;
+	uint32_t ret = INTR_TYPE_NS;
 
 	id = gicc_read_hppir(TEGRA_GICC_BASE) & INT_ID_MASK;
 
 	/* get the interrupt type */
-	if (id < 1022) {
-		for (index = 0; index < g_num_irqs; index++) {
-			if (id == (g_irq_sec_ptr + index)->irq)
-				return (g_irq_sec_ptr + index)->type;
+	if (id < 1022U) {
+		for (index = 0U; index < g_num_irqs; index++) {
+			if (id == g_irq_sec_ptr[index].irq) {
+				ret = g_irq_sec_ptr[index].type;
+				break;
+			}
+		}
+	} else {
+		 if (id == GIC_SPURIOUS_INTERRUPT) {
+			ret = INTR_TYPE_INVAL;
 		}
 	}
 
-	if (id == GIC_SPURIOUS_INTERRUPT)
-		return INTR_TYPE_INVAL;
-
-	return INTR_TYPE_NS;
+	return ret;
 }
 
 /*******************************************************************************
@@ -225,30 +231,32 @@
  * the GIC cpu interface. INTR_ID_UNAVAILABLE is returned when there is no
  * interrupt pending.
  ******************************************************************************/
-uint32_t tegra_gic_get_pending_interrupt_id(void)
+static uint32_t tegra_gic_get_pending_interrupt_id(void)
 {
-	uint32_t id;
+	uint32_t id, ret;
 
 	id = gicc_read_hppir(TEGRA_GICC_BASE) & INT_ID_MASK;
 
-	if (id < 1022)
-		return id;
-
-	if (id == 1023)
-		return INTR_ID_UNAVAILABLE;
+	if (id < 1022UL) {
+		ret = id;
+	} else if (id == 1023UL) {
+		ret = 0xFFFFFFFFUL; /* INTR_ID_UNAVAILABLE */
+	} else {
+		/*
+		 * Find out which non-secure interrupt it is under the assumption that
+		 * the GICC_CTLR.AckCtl bit is 0.
+		 */
+		ret = gicc_read_ahppir(TEGRA_GICC_BASE) & INT_ID_MASK;
+	}
 
-	/*
-	 * Find out which non-secure interrupt it is under the assumption that
-	 * the GICC_CTLR.AckCtl bit is 0.
-	 */
-	return gicc_read_ahppir(TEGRA_GICC_BASE) & INT_ID_MASK;
+	return ret;
 }
 
 /*******************************************************************************
  * This functions reads the GIC cpu interface Interrupt Acknowledge register
  * to start handling the pending interrupt. It returns the contents of the IAR.
  ******************************************************************************/
-uint32_t tegra_gic_acknowledge_interrupt(void)
+static uint32_t tegra_gic_acknowledge_interrupt(void)
 {
 	return gicc_read_IAR(TEGRA_GICC_BASE);
 }
@@ -257,7 +265,7 @@
  * This functions writes the GIC cpu interface End Of Interrupt register with
  * the passed value to finish handling the active interrupt
  ******************************************************************************/
-void tegra_gic_end_of_interrupt(uint32_t id)
+static void tegra_gic_end_of_interrupt(uint32_t id)
 {
 	gicc_write_EOIR(TEGRA_GICC_BASE, id);
 }
@@ -267,22 +275,25 @@
  * this interrupt has been configured under by the interrupt controller i.e.
  * group0 or group1.
  ******************************************************************************/
-uint32_t tegra_gic_get_interrupt_type(uint32_t id)
+static uint32_t tegra_gic_get_interrupt_type(uint32_t id)
 {
 	uint32_t group;
-	unsigned int index;
+	uint32_t index;
+	uint32_t ret = INTR_TYPE_NS;
 
 	group = gicd_get_igroupr(TEGRA_GICD_BASE, id);
 
 	/* get the interrupt type */
 	if (group == GRP0) {
-		for (index = 0; index < g_num_irqs; index++) {
-			if (id == (g_irq_sec_ptr + index)->irq)
-				return (g_irq_sec_ptr + index)->type;
+		for (index = 0U; index < g_num_irqs; index++) {
+			if (id == g_irq_sec_ptr[index].irq) {
+				ret = g_irq_sec_ptr[index].type;
+				break;
+			}
 		}
 	}
 
-	return INTR_TYPE_NS;
+	return ret;
 }
 
 #else
diff --git a/plat/nvidia/tegra/common/tegra_pm.c b/plat/nvidia/tegra/common/tegra_pm.c
index 9445019..6f841ef 100644
--- a/plat/nvidia/tegra/common/tegra_pm.c
+++ b/plat/nvidia/tegra/common/tegra_pm.c
@@ -107,7 +107,7 @@
 void tegra_get_sys_suspend_power_state(psci_power_state_t *req_state)
 {
 	/* all affinities use system suspend state id */
-	for (int i = MPIDR_AFFLVL0; i <= PLAT_MAX_PWR_LVL; i++)
+	for (uint32_t i = MPIDR_AFFLVL0; i <= PLAT_MAX_PWR_LVL; i++)
 		req_state->pwr_domain_state[i] = PSTATE_ID_SOC_POWERDN;
 }
 
diff --git a/plat/nvidia/tegra/common/tegra_sip_calls.c b/plat/nvidia/tegra/common/tegra_sip_calls.c
index 9b0a36c..dcad21e 100644
--- a/plat/nvidia/tegra/common/tegra_sip_calls.c
+++ b/plat/nvidia/tegra/common/tegra_sip_calls.c
@@ -11,6 +11,7 @@
 #include <debug.h>
 #include <errno.h>
 #include <memctrl.h>
+#include <mmio.h>
 #include <runtime_svc.h>
 #include <tegra_private.h>
 #include <tegra_platform.h>
@@ -57,6 +58,7 @@
 			   void *handle,
 			   uint64_t flags)
 {
+	uint32_t regval;
 	int err;
 
 	/* Check if this is a SoC specific SiP */
@@ -87,6 +89,18 @@
 			SMC_RET1(handle, -ENOTSUP);
 		}
 
+		/*
+		 * The GPU is the user of the Video Memory region. In order to
+		 * transition to the new memory region smoothly, we program the
+		 * new base/size ONLY if the GPU is in reset mode.
+		 */
+		regval = mmio_read_32(TEGRA_CAR_RESET_BASE +
+				      TEGRA_GPU_RESET_REG_OFFSET);
+		if ((regval & GPU_RESET_BIT) == 0U) {
+			ERROR("GPU not in reset! Video Memory setup failed\n");
+			SMC_RET1(handle, -ENOTSUP);
+		}
+
 		/* new video memory carveout settings */
 		tegra_memctrl_videomem_setup(x1, x2);
 
diff --git a/plat/nvidia/tegra/include/drivers/mce.h b/plat/nvidia/tegra/include/drivers/mce.h
index 232f263..c7867a5 100644
--- a/plat/nvidia/tegra/include/drivers/mce.h
+++ b/plat/nvidia/tegra/include/drivers/mce.h
@@ -63,14 +63,14 @@
 } mce_cstate_info_t;
 
 /* public interfaces */
-int mce_command_handler(mce_cmd_t cmd, uint64_t arg0, uint64_t arg1,
+int mce_command_handler(uint64_t cmd, uint64_t arg0, uint64_t arg1,
 		uint64_t arg2);
 int mce_update_reset_vector(void);
 int mce_update_gsc_videomem(void);
 int mce_update_gsc_tzdram(void);
 int mce_update_gsc_tzram(void);
 __dead2 void mce_enter_ccplex_state(uint32_t state_idx);
-void mce_update_cstate_info(mce_cstate_info_t *cstate);
+void mce_update_cstate_info(const mce_cstate_info_t *cstate);
 void mce_verify_firmware_version(void);
 
 #endif /* __MCE_H__ */
diff --git a/plat/nvidia/tegra/include/drivers/pmc.h b/plat/nvidia/tegra/include/drivers/pmc.h
index 7bf3f81..ea9392b 100644
--- a/plat/nvidia/tegra/include/drivers/pmc.h
+++ b/plat/nvidia/tegra/include/drivers/pmc.h
@@ -9,20 +9,21 @@
 
 #include <mmio.h>
 #include <tegra_def.h>
+#include <utils_def.h>
 
-#define PMC_CONFIG				0x0U
-#define PMC_PWRGATE_STATUS			0x38U
-#define PMC_PWRGATE_TOGGLE			0x30U
-#define  PMC_TOGGLE_START			0x100U
-#define PMC_SCRATCH39				0x138U
-#define PMC_SECURE_DISABLE2			0x2c4U
-#define  PMC_SECURE_DISABLE2_WRITE22_ON		(1U << 28)
-#define PMC_SECURE_SCRATCH22			0x338U
-#define PMC_SECURE_DISABLE3			0x2d8U
-#define  PMC_SECURE_DISABLE3_WRITE34_ON		(1U << 20)
-#define  PMC_SECURE_DISABLE3_WRITE35_ON		(1U << 22)
-#define PMC_SECURE_SCRATCH34			0x368U
-#define PMC_SECURE_SCRATCH35			0x36cU
+#define PMC_CONFIG				U(0x0)
+#define PMC_PWRGATE_STATUS			U(0x38)
+#define PMC_PWRGATE_TOGGLE			U(0x30)
+#define  PMC_TOGGLE_START			U(0x100)
+#define PMC_SCRATCH39				U(0x138)
+#define PMC_SECURE_DISABLE2			U(0x2c4)
+#define  PMC_SECURE_DISABLE2_WRITE22_ON		(U(1) << 28)
+#define PMC_SECURE_SCRATCH22			U(0x338)
+#define PMC_SECURE_DISABLE3			U(0x2d8)
+#define  PMC_SECURE_DISABLE3_WRITE34_ON		(U(1) << 20)
+#define  PMC_SECURE_DISABLE3_WRITE35_ON		(U(1) << 22)
+#define PMC_SECURE_SCRATCH34			U(0x368)
+#define PMC_SECURE_SCRATCH35			U(0x36c)
 
 static inline uint32_t tegra_pmc_read_32(uint32_t off)
 {
@@ -36,7 +37,7 @@
 
 void tegra_pmc_cpu_setup(uint64_t reset_addr);
 void tegra_pmc_lock_cpu_vectors(void);
-void tegra_pmc_cpu_on(int cpu);
+void tegra_pmc_cpu_on(int32_t cpu);
 __dead2 void tegra_pmc_system_reset(void);
 
 #endif /* __PMC_H__ */
diff --git a/plat/nvidia/tegra/include/platform_def.h b/plat/nvidia/tegra/include/platform_def.h
index 41d771c..4894442 100644
--- a/plat/nvidia/tegra/include/platform_def.h
+++ b/plat/nvidia/tegra/include/platform_def.h
@@ -10,6 +10,7 @@
 #include <arch.h>
 #include <common_def.h>
 #include <tegra_def.h>
+#include <utils_def.h>
 
 /*******************************************************************************
  * Generic platform constants
@@ -17,10 +18,10 @@
 
 /* Size of cacheable stacks */
 #ifdef IMAGE_BL31
-#define PLATFORM_STACK_SIZE 0x400
+#define PLATFORM_STACK_SIZE 		U(0x400)
 #endif
 
-#define TEGRA_PRIMARY_CPU		0x0
+#define TEGRA_PRIMARY_CPU		U(0x0)
 
 #define PLAT_MAX_PWR_LVL		MPIDR_AFFLVL2
 #define PLATFORM_CORE_COUNT		(PLATFORM_CLUSTER_COUNT * \
@@ -31,20 +32,20 @@
 /*******************************************************************************
  * Platform console related constants
  ******************************************************************************/
-#define TEGRA_CONSOLE_BAUDRATE		115200
-#define TEGRA_BOOT_UART_CLK_IN_HZ	408000000
+#define TEGRA_CONSOLE_BAUDRATE		U(115200)
+#define TEGRA_BOOT_UART_CLK_IN_HZ	U(408000000)
 
 /*******************************************************************************
  * Platform memory map related constants
  ******************************************************************************/
 /* Size of trusted dram */
-#define TZDRAM_SIZE			0x00400000
+#define TZDRAM_SIZE			U(0x00400000)
 #define TZDRAM_END			(TZDRAM_BASE + TZDRAM_SIZE)
 
 /*******************************************************************************
  * BL31 specific defines.
  ******************************************************************************/
-#define BL31_SIZE			0x40000
+#define BL31_SIZE			U(0x40000)
 #define BL31_BASE			TZDRAM_BASE
 #define BL31_LIMIT			(TZDRAM_BASE + BL31_SIZE - 1)
 #define BL32_BASE			(TZDRAM_BASE + BL31_SIZE)
@@ -53,8 +54,8 @@
 /*******************************************************************************
  * Platform specific page table and MMU setup constants
  ******************************************************************************/
-#define PLAT_PHY_ADDR_SPACE_SIZE	(1ull << 35)
-#define PLAT_VIRT_ADDR_SPACE_SIZE	(1ull << 35)
+#define PLAT_PHY_ADDR_SPACE_SIZE	(ULL(1) << 35)
+#define PLAT_VIRT_ADDR_SPACE_SIZE	(ULL(1) << 35)
 
 /*******************************************************************************
  * Some data must be aligned on the biggest cache line size in the platform.
@@ -62,6 +63,6 @@
  * integrated and external caches.
  ******************************************************************************/
 #define CACHE_WRITEBACK_SHIFT		6
-#define CACHE_WRITEBACK_GRANULE		(1 << CACHE_WRITEBACK_SHIFT)
+#define CACHE_WRITEBACK_GRANULE		(U(1) << CACHE_WRITEBACK_SHIFT)
 
 #endif /* __PLATFORM_DEF_H__ */
diff --git a/plat/nvidia/tegra/include/t132/tegra_def.h b/plat/nvidia/tegra/include/t132/tegra_def.h
index fcb074a..ae00fb5 100644
--- a/plat/nvidia/tegra/include/t132/tegra_def.h
+++ b/plat/nvidia/tegra/include/t132/tegra_def.h
@@ -7,11 +7,13 @@
 #ifndef __TEGRA_DEF_H__
 #define __TEGRA_DEF_H__
 
+#include <utils_def.h>
+
 /*******************************************************************************
  * This value is used by the PSCI implementation during the `SYSTEM_SUSPEND`
  * call as the `state-id` field in the 'power state' parameter.
  ******************************************************************************/
-#define PSTATE_ID_SOC_POWERDN	0xD
+#define PSTATE_ID_SOC_POWERDN	U(0xD)
 
 /*******************************************************************************
  * Platform power states (used by PSCI framework)
@@ -19,80 +21,82 @@
  * - PLAT_MAX_RET_STATE should be less than lowest PSTATE_ID
  * - PLAT_MAX_OFF_STATE should be greater than the highest PSTATE_ID
  ******************************************************************************/
-#define PLAT_MAX_RET_STATE		1
-#define PLAT_MAX_OFF_STATE		(PSTATE_ID_SOC_POWERDN + 1)
+#define PLAT_MAX_RET_STATE		U(1)
+#define PLAT_MAX_OFF_STATE		(PSTATE_ID_SOC_POWERDN + U(1))
 
 /*******************************************************************************
  * GIC memory map
  ******************************************************************************/
-#define TEGRA_GICD_BASE			0x50041000
-#define TEGRA_GICC_BASE			0x50042000
+#define TEGRA_GICD_BASE			U(0x50041000)
+#define TEGRA_GICC_BASE			U(0x50042000)
 
 /*******************************************************************************
  * Tegra micro-seconds timer constants
  ******************************************************************************/
-#define TEGRA_TMRUS_BASE		0x60005010
-#define TEGRA_TMRUS_SIZE		0x1000
+#define TEGRA_TMRUS_BASE		U(0x60005010)
+#define TEGRA_TMRUS_SIZE		U(0x1000)
 
 /*******************************************************************************
  * Tegra Clock and Reset Controller constants
  ******************************************************************************/
-#define TEGRA_CAR_RESET_BASE		0x60006000
+#define TEGRA_CAR_RESET_BASE		U(0x60006000)
+#define TEGRA_GPU_RESET_REG_OFFSET	U(0x28C)
+#define  GPU_RESET_BIT			(U(1) << 24)
 
 /*******************************************************************************
  * Tegra Flow Controller constants
  ******************************************************************************/
-#define TEGRA_FLOWCTRL_BASE		0x60007000
+#define TEGRA_FLOWCTRL_BASE		U(0x60007000)
 
 /*******************************************************************************
  * Tegra Secure Boot Controller constants
  ******************************************************************************/
-#define TEGRA_SB_BASE			0x6000C200
+#define TEGRA_SB_BASE			U(0x6000C200)
 
 /*******************************************************************************
  * Tegra Exception Vectors constants
  ******************************************************************************/
-#define TEGRA_EVP_BASE			0x6000F000
+#define TEGRA_EVP_BASE			U(0x6000F000)
 
 /*******************************************************************************
  * Tegra Miscellaneous register constants
  ******************************************************************************/
-#define TEGRA_MISC_BASE			0x70000000
-#define  HARDWARE_REVISION_OFFSET	0x804
+#define TEGRA_MISC_BASE			U(0x70000000)
+#define  HARDWARE_REVISION_OFFSET	U(0x804)
 
 /*******************************************************************************
  * Tegra UART controller base addresses
  ******************************************************************************/
-#define TEGRA_UARTA_BASE		0x70006000
-#define TEGRA_UARTB_BASE		0x70006040
-#define TEGRA_UARTC_BASE		0x70006200
-#define TEGRA_UARTD_BASE		0x70006300
-#define TEGRA_UARTE_BASE		0x70006400
+#define TEGRA_UARTA_BASE		U(0x70006000)
+#define TEGRA_UARTB_BASE		U(0x70006040)
+#define TEGRA_UARTC_BASE		U(0x70006200)
+#define TEGRA_UARTD_BASE		U(0x70006300)
+#define TEGRA_UARTE_BASE		U(0x70006400)
 
 /*******************************************************************************
  * Tegra Power Mgmt Controller constants
  ******************************************************************************/
-#define TEGRA_PMC_BASE			0x7000E400
+#define TEGRA_PMC_BASE			U(0x7000E400)
 
 /*******************************************************************************
  * Tegra Memory Controller constants
  ******************************************************************************/
-#define TEGRA_MC_BASE			0x70019000
+#define TEGRA_MC_BASE			U(0x70019000)
 
 /* TZDRAM carveout configuration registers */
-#define MC_SECURITY_CFG0_0		0x70
-#define MC_SECURITY_CFG1_0		0x74
-#define MC_SECURITY_CFG3_0		0x9BC
+#define MC_SECURITY_CFG0_0		U(0x70)
+#define MC_SECURITY_CFG1_0		U(0x74)
+#define MC_SECURITY_CFG3_0		U(0x9BC)
 
 /* Video Memory carveout configuration registers */
-#define MC_VIDEO_PROTECT_BASE_HI	0x978
-#define MC_VIDEO_PROTECT_BASE_LO	0x648
-#define MC_VIDEO_PROTECT_SIZE_MB	0x64c
+#define MC_VIDEO_PROTECT_BASE_HI	U(0x978)
+#define MC_VIDEO_PROTECT_BASE_LO	U(0x648)
+#define MC_VIDEO_PROTECT_SIZE_MB	U(0x64c)
 
 /*******************************************************************************
  * Tegra TZRAM constants
  ******************************************************************************/
-#define TEGRA_TZRAM_BASE		0x7C010000
-#define TEGRA_TZRAM_SIZE		0x10000
+#define TEGRA_TZRAM_BASE		U(0x7C010000)
+#define TEGRA_TZRAM_SIZE		U(0x10000)
 
 #endif /* __TEGRA_DEF_H__ */
diff --git a/plat/nvidia/tegra/include/t186/tegra_def.h b/plat/nvidia/tegra/include/t186/tegra_def.h
index 106f8f6..d033147 100644
--- a/plat/nvidia/tegra/include/t186/tegra_def.h
+++ b/plat/nvidia/tegra/include/t186/tegra_def.h
@@ -7,6 +7,8 @@
 #ifndef __TEGRA_DEF_H__
 #define __TEGRA_DEF_H__
 
+#include <utils_def.h>
+
 /*******************************************************************************
  * MCE apertures used by the ARI interface
  *
@@ -17,34 +19,34 @@
  * Aperture 4 - Cpu4 (Denver15)
  * Aperture 5 - Cpu5 (Denver15)
  ******************************************************************************/
-#define MCE_ARI_APERTURE_0_OFFSET	0x0
-#define MCE_ARI_APERTURE_1_OFFSET	0x10000
-#define MCE_ARI_APERTURE_2_OFFSET	0x20000
-#define MCE_ARI_APERTURE_3_OFFSET	0x30000
-#define MCE_ARI_APERTURE_4_OFFSET	0x40000
-#define MCE_ARI_APERTURE_5_OFFSET	0x50000
+#define MCE_ARI_APERTURE_0_OFFSET	U(0x0)
+#define MCE_ARI_APERTURE_1_OFFSET	U(0x10000)
+#define MCE_ARI_APERTURE_2_OFFSET	U(0x20000)
+#define MCE_ARI_APERTURE_3_OFFSET	U(0x30000)
+#define MCE_ARI_APERTURE_4_OFFSET	U(0x40000)
+#define MCE_ARI_APERTURE_5_OFFSET	U(0x50000)
 #define MCE_ARI_APERTURE_OFFSET_MAX	MCE_APERTURE_5_OFFSET
 
 /* number of apertures */
-#define MCE_ARI_APERTURES_MAX		6
+#define MCE_ARI_APERTURES_MAX		U(6)
 
 /* each ARI aperture is 64KB */
-#define MCE_ARI_APERTURE_SIZE		0x10000
+#define MCE_ARI_APERTURE_SIZE		U(0x10000)
 
 /*******************************************************************************
  * CPU core id macros for the MCE_ONLINE_CORE ARI
  ******************************************************************************/
-#define MCE_CORE_ID_MAX			8
-#define MCE_CORE_ID_MASK		0x7
+#define MCE_CORE_ID_MAX			U(8)
+#define MCE_CORE_ID_MASK		U(0x7)
 
 /*******************************************************************************
  * These values are used by the PSCI implementation during the `CPU_SUSPEND`
  * and `SYSTEM_SUSPEND` calls as the `state-id` field in the 'power state'
  * parameter.
  ******************************************************************************/
-#define PSTATE_ID_CORE_IDLE		6
-#define PSTATE_ID_CORE_POWERDN		7
-#define PSTATE_ID_SOC_POWERDN		2
+#define PSTATE_ID_CORE_IDLE		U(6)
+#define PSTATE_ID_CORE_POWERDN		U(7)
+#define PSTATE_ID_SOC_POWERDN		U(2)
 
 /*******************************************************************************
  * Platform power states (used by PSCI framework)
@@ -52,209 +54,197 @@
  * - PLAT_MAX_RET_STATE should be less than lowest PSTATE_ID
  * - PLAT_MAX_OFF_STATE should be greater than the highest PSTATE_ID
  ******************************************************************************/
-#define PLAT_MAX_RET_STATE		1
-#define PLAT_MAX_OFF_STATE		8
-
-/*******************************************************************************
- * Implementation defined ACTLR_EL3 bit definitions
- ******************************************************************************/
-#define ACTLR_EL3_L2ACTLR_BIT		(1 << 6)
-#define ACTLR_EL3_L2ECTLR_BIT		(1 << 5)
-#define ACTLR_EL3_L2CTLR_BIT		(1 << 4)
-#define ACTLR_EL3_CPUECTLR_BIT		(1 << 1)
-#define ACTLR_EL3_CPUACTLR_BIT		(1 << 0)
-#define ACTLR_EL3_ENABLE_ALL_ACCESS	(ACTLR_EL3_L2ACTLR_BIT | \
-					 ACTLR_EL3_L2ECTLR_BIT | \
-					 ACTLR_EL3_L2CTLR_BIT | \
-					 ACTLR_EL3_CPUECTLR_BIT | \
-					 ACTLR_EL3_CPUACTLR_BIT)
+#define PLAT_MAX_RET_STATE		U(1)
+#define PLAT_MAX_OFF_STATE		U(8)
 
 /*******************************************************************************
  * Secure IRQ definitions
  ******************************************************************************/
-#define TEGRA186_TOP_WDT_IRQ		49
-#define TEGRA186_AON_WDT_IRQ		50
+#define TEGRA186_TOP_WDT_IRQ		U(49)
+#define TEGRA186_AON_WDT_IRQ		U(50)
 
-#define TEGRA186_SEC_IRQ_TARGET_MASK	0xF3 /* 4 A57 - 2 Denver */
+#define TEGRA186_SEC_IRQ_TARGET_MASK	U(0xF3) /* 4 A57 - 2 Denver */
 
 /*******************************************************************************
  * Tegra Miscellanous register constants
  ******************************************************************************/
-#define TEGRA_MISC_BASE			0x00100000
-#define  HARDWARE_REVISION_OFFSET	0x4
+#define TEGRA_MISC_BASE			U(0x00100000)
+#define  HARDWARE_REVISION_OFFSET	U(0x4)
 
-#define  MISCREG_PFCFG			0x200C
+#define  MISCREG_PFCFG			U(0x200C)
 
 /*******************************************************************************
  * Tegra TSA Controller constants
  ******************************************************************************/
-#define TEGRA_TSA_BASE			0x02400000
+#define TEGRA_TSA_BASE			U(0x02400000)
 
 /*******************************************************************************
  * TSA configuration registers
  ******************************************************************************/
-#define TSA_CONFIG_STATIC0_CSW_SESWR			0x4010
-#define  TSA_CONFIG_STATIC0_CSW_SESWR_RESET		0x1100
-#define TSA_CONFIG_STATIC0_CSW_ETRW			0x4038
-#define  TSA_CONFIG_STATIC0_CSW_ETRW_RESET		0x1100
-#define TSA_CONFIG_STATIC0_CSW_SDMMCWAB			0x5010
-#define  TSA_CONFIG_STATIC0_CSW_SDMMCWAB_RESET		0x1100
-#define TSA_CONFIG_STATIC0_CSW_AXISW			0x7008
-#define  TSA_CONFIG_STATIC0_CSW_AXISW_RESET		0x1100
-#define TSA_CONFIG_STATIC0_CSW_HDAW			0xA008
-#define  TSA_CONFIG_STATIC0_CSW_HDAW_RESET		0x100
-#define TSA_CONFIG_STATIC0_CSW_AONDMAW			0xB018
-#define  TSA_CONFIG_STATIC0_CSW_AONDMAW_RESET		0x1100
-#define TSA_CONFIG_STATIC0_CSW_SCEDMAW			0xD018
-#define  TSA_CONFIG_STATIC0_CSW_SCEDMAW_RESET		0x1100
-#define TSA_CONFIG_STATIC0_CSW_BPMPDMAW			0xD028
-#define  TSA_CONFIG_STATIC0_CSW_BPMPDMAW_RESET		0x1100
-#define TSA_CONFIG_STATIC0_CSW_APEDMAW			0x12018
-#define  TSA_CONFIG_STATIC0_CSW_APEDMAW_RESET		0x1100
-#define TSA_CONFIG_STATIC0_CSW_UFSHCW			0x13008
-#define  TSA_CONFIG_STATIC0_CSW_UFSHCW_RESET		0x1100
-#define TSA_CONFIG_STATIC0_CSW_AFIW			0x13018
-#define  TSA_CONFIG_STATIC0_CSW_AFIW_RESET		0x1100
-#define TSA_CONFIG_STATIC0_CSW_SATAW			0x13028
-#define  TSA_CONFIG_STATIC0_CSW_SATAW_RESET		0x1100
-#define TSA_CONFIG_STATIC0_CSW_EQOSW			0x13038
-#define  TSA_CONFIG_STATIC0_CSW_EQOSW_RESET		0x1100
-#define TSA_CONFIG_STATIC0_CSW_XUSB_DEVW		0x15008
-#define  TSA_CONFIG_STATIC0_CSW_XUSB_DEVW_RESET		0x1100
-#define TSA_CONFIG_STATIC0_CSW_XUSB_HOSTW		0x15018
-#define  TSA_CONFIG_STATIC0_CSW_XUSB_HOSTW_RESET	0x1100
+#define TSA_CONFIG_STATIC0_CSW_SESWR			U(0x4010)
+#define  TSA_CONFIG_STATIC0_CSW_SESWR_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_ETRW			U(0x4038)
+#define  TSA_CONFIG_STATIC0_CSW_ETRW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_SDMMCWAB			U(0x5010)
+#define  TSA_CONFIG_STATIC0_CSW_SDMMCWAB_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_AXISW			U(0x7008)
+#define  TSA_CONFIG_STATIC0_CSW_AXISW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_HDAW			U(0xA008)
+#define  TSA_CONFIG_STATIC0_CSW_HDAW_RESET		U(0x100)
+#define TSA_CONFIG_STATIC0_CSW_AONDMAW			U(0xB018)
+#define  TSA_CONFIG_STATIC0_CSW_AONDMAW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_SCEDMAW			U(0xD018)
+#define  TSA_CONFIG_STATIC0_CSW_SCEDMAW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_BPMPDMAW			U(0xD028)
+#define  TSA_CONFIG_STATIC0_CSW_BPMPDMAW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_APEDMAW			U(0x12018)
+#define  TSA_CONFIG_STATIC0_CSW_APEDMAW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_UFSHCW			U(0x13008)
+#define  TSA_CONFIG_STATIC0_CSW_UFSHCW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_AFIW			U(0x13018)
+#define  TSA_CONFIG_STATIC0_CSW_AFIW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_SATAW			U(0x13028)
+#define  TSA_CONFIG_STATIC0_CSW_SATAW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_EQOSW			U(0x13038)
+#define  TSA_CONFIG_STATIC0_CSW_EQOSW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_XUSB_DEVW		U(0x15008)
+#define  TSA_CONFIG_STATIC0_CSW_XUSB_DEVW_RESET		U(0x1100)
+#define TSA_CONFIG_STATIC0_CSW_XUSB_HOSTW		U(0x15018)
+#define  TSA_CONFIG_STATIC0_CSW_XUSB_HOSTW_RESET	U(0x1100)
 
-#define TSA_CONFIG_CSW_MEMTYPE_OVERRIDE_MASK		(0x3 << 11)
-#define TSA_CONFIG_CSW_MEMTYPE_OVERRIDE_PASTHRU		(0 << 11)
+#define TSA_CONFIG_CSW_MEMTYPE_OVERRIDE_MASK		(U(0x3) << 11)
+#define TSA_CONFIG_CSW_MEMTYPE_OVERRIDE_PASTHRU		(U(0) << 11)
 
 /*******************************************************************************
  * Tegra Memory Controller constants
  ******************************************************************************/
-#define TEGRA_MC_STREAMID_BASE		0x02C00000
-#define TEGRA_MC_BASE			0x02C10000
+#define TEGRA_MC_STREAMID_BASE		U(0x02C00000)
+#define TEGRA_MC_BASE			U(0x02C10000)
 
 /* General Security Carveout register macros */
-#define MC_GSC_CONFIG_REGS_SIZE		0x40UL
-#define MC_GSC_LOCK_CFG_SETTINGS_BIT	(1UL << 1)
-#define MC_GSC_ENABLE_TZ_LOCK_BIT	(1UL << 0)
-#define MC_GSC_SIZE_RANGE_4KB_SHIFT	27UL
-#define MC_GSC_BASE_LO_SHIFT		12UL
-#define MC_GSC_BASE_LO_MASK		0xFFFFFUL
-#define MC_GSC_BASE_HI_SHIFT		0UL
-#define MC_GSC_BASE_HI_MASK		3UL
+#define MC_GSC_CONFIG_REGS_SIZE		U(0x40)
+#define MC_GSC_LOCK_CFG_SETTINGS_BIT	(U(1) << 1)
+#define MC_GSC_ENABLE_TZ_LOCK_BIT	(U(1) << 0)
+#define MC_GSC_SIZE_RANGE_4KB_SHIFT	U(27)
+#define MC_GSC_BASE_LO_SHIFT		U(12)
+#define MC_GSC_BASE_LO_MASK		U(0xFFFFF)
+#define MC_GSC_BASE_HI_SHIFT		U(0)
+#define MC_GSC_BASE_HI_MASK		U(3)
 
 /* TZDRAM carveout configuration registers */
-#define MC_SECURITY_CFG0_0		0x70
-#define MC_SECURITY_CFG1_0		0x74
-#define MC_SECURITY_CFG3_0		0x9BC
+#define MC_SECURITY_CFG0_0		U(0x70)
+#define MC_SECURITY_CFG1_0		U(0x74)
+#define MC_SECURITY_CFG3_0		U(0x9BC)
 
 /* Video Memory carveout configuration registers */
-#define MC_VIDEO_PROTECT_BASE_HI	0x978
-#define MC_VIDEO_PROTECT_BASE_LO	0x648
-#define MC_VIDEO_PROTECT_SIZE_MB	0x64C
+#define MC_VIDEO_PROTECT_BASE_HI	U(0x978)
+#define MC_VIDEO_PROTECT_BASE_LO	U(0x648)
+#define MC_VIDEO_PROTECT_SIZE_MB	U(0x64C)
 
 /*
  * Carveout (MC_SECURITY_CARVEOUT24) registers used to clear the
  * non-overlapping Video memory region
  */
-#define MC_VIDEO_PROTECT_CLEAR_CFG	0x25A0
-#define MC_VIDEO_PROTECT_CLEAR_BASE_LO	0x25A4
-#define MC_VIDEO_PROTECT_CLEAR_BASE_HI	0x25A8
-#define MC_VIDEO_PROTECT_CLEAR_SIZE	0x25AC
-#define MC_VIDEO_PROTECT_CLEAR_ACCESS_CFG0	0x25B0
+#define MC_VIDEO_PROTECT_CLEAR_CFG	U(0x25A0)
+#define MC_VIDEO_PROTECT_CLEAR_BASE_LO	U(0x25A4)
+#define MC_VIDEO_PROTECT_CLEAR_BASE_HI	U(0x25A8)
+#define MC_VIDEO_PROTECT_CLEAR_SIZE	U(0x25AC)
+#define MC_VIDEO_PROTECT_CLEAR_ACCESS_CFG0	U(0x25B0)
 
 /* TZRAM carveout (MC_SECURITY_CARVEOUT11) configuration registers */
-#define MC_TZRAM_CARVEOUT_CFG		0x2190
-#define MC_TZRAM_BASE_LO		0x2194
-#define MC_TZRAM_BASE_HI		0x2198
-#define MC_TZRAM_SIZE			0x219C
-#define MC_TZRAM_CLIENT_ACCESS_CFG0	0x21A0
+#define MC_TZRAM_CARVEOUT_CFG		U(0x2190)
+#define MC_TZRAM_BASE_LO		U(0x2194)
+#define MC_TZRAM_BASE_HI		U(0x2198)
+#define MC_TZRAM_SIZE			U(0x219C)
+#define MC_TZRAM_CLIENT_ACCESS_CFG0	U(0x21A0)
 
 /*******************************************************************************
  * Tegra UART Controller constants
  ******************************************************************************/
-#define TEGRA_UARTA_BASE		0x03100000
-#define TEGRA_UARTB_BASE		0x03110000
-#define TEGRA_UARTC_BASE		0x0C280000
-#define TEGRA_UARTD_BASE		0x03130000
-#define TEGRA_UARTE_BASE		0x03140000
-#define TEGRA_UARTF_BASE		0x03150000
-#define TEGRA_UARTG_BASE		0x0C290000
+#define TEGRA_UARTA_BASE		U(0x03100000)
+#define TEGRA_UARTB_BASE		U(0x03110000)
+#define TEGRA_UARTC_BASE		U(0x0C280000)
+#define TEGRA_UARTD_BASE		U(0x03130000)
+#define TEGRA_UARTE_BASE		U(0x03140000)
+#define TEGRA_UARTF_BASE		U(0x03150000)
+#define TEGRA_UARTG_BASE		U(0x0C290000)
 
 /*******************************************************************************
  * Tegra Fuse Controller related constants
  ******************************************************************************/
-#define TEGRA_FUSE_BASE			0x03820000
-#define  OPT_SUBREVISION		0x248
-#define  SUBREVISION_MASK		0xFF
+#define TEGRA_FUSE_BASE			U(0x03820000)
+#define  OPT_SUBREVISION		U(0x248)
+#define  SUBREVISION_MASK		U(0xFF)
 
 /*******************************************************************************
  * GICv2 & interrupt handling related constants
  ******************************************************************************/
-#define TEGRA_GICD_BASE			0x03881000
-#define TEGRA_GICC_BASE			0x03882000
+#define TEGRA_GICD_BASE			U(0x03881000)
+#define TEGRA_GICC_BASE			U(0x03882000)
 
 /*******************************************************************************
  * Security Engine related constants
  ******************************************************************************/
-#define TEGRA_SE0_BASE			0x03AC0000
-#define  SE_MUTEX_WATCHDOG_NS_LIMIT	0x6C
-#define TEGRA_PKA1_BASE			0x03AD0000
-#define  PKA_MUTEX_WATCHDOG_NS_LIMIT	0x8144
-#define TEGRA_RNG1_BASE			0x03AE0000
-#define  RNG_MUTEX_WATCHDOG_NS_LIMIT	0xFE0
+#define TEGRA_SE0_BASE			U(0x03AC0000)
+#define  SE_MUTEX_WATCHDOG_NS_LIMIT	U(0x6C)
+#define TEGRA_PKA1_BASE			U(0x03AD0000)
+#define  PKA_MUTEX_WATCHDOG_NS_LIMIT	U(0x8144)
+#define TEGRA_RNG1_BASE			U(0x03AE0000)
+#define  RNG_MUTEX_WATCHDOG_NS_LIMIT	U(0xFE0)
 
 /*******************************************************************************
  * Tegra Clock and Reset Controller constants
  ******************************************************************************/
-#define TEGRA_CAR_RESET_BASE		0x05000000
+#define TEGRA_CAR_RESET_BASE		U(0x05000000)
+#define TEGRA_GPU_RESET_REG_OFFSET	U(0x30)
+#define  GPU_RESET_BIT			(U(1) << 0)
 
 /*******************************************************************************
  * Tegra micro-seconds timer constants
  ******************************************************************************/
-#define TEGRA_TMRUS_BASE		0x0C2E0000
-#define TEGRA_TMRUS_SIZE		0x1000
+#define TEGRA_TMRUS_BASE		U(0x0C2E0000)
+#define TEGRA_TMRUS_SIZE		U(0x1000)
 
 /*******************************************************************************
  * Tegra Power Mgmt Controller constants
  ******************************************************************************/
-#define TEGRA_PMC_BASE			0x0C360000
+#define TEGRA_PMC_BASE			U(0x0C360000)
 
 /*******************************************************************************
  * Tegra scratch registers constants
  ******************************************************************************/
-#define TEGRA_SCRATCH_BASE		0x0C390000
-#define  SECURE_SCRATCH_RSV1_LO		0x658
-#define  SECURE_SCRATCH_RSV1_HI		0x65C
-#define  SECURE_SCRATCH_RSV6		0x680
-#define  SECURE_SCRATCH_RSV11_LO	0x6A8
-#define  SECURE_SCRATCH_RSV11_HI	0x6AC
-#define  SECURE_SCRATCH_RSV53_LO	0x7F8
-#define  SECURE_SCRATCH_RSV53_HI	0x7FC
-#define  SECURE_SCRATCH_RSV54_HI	0x804
-#define  SECURE_SCRATCH_RSV55_LO	0x808
-#define  SECURE_SCRATCH_RSV55_HI	0x80C
+#define TEGRA_SCRATCH_BASE		U(0x0C390000)
+#define  SECURE_SCRATCH_RSV1_LO		U(0x658)
+#define  SECURE_SCRATCH_RSV1_HI		U(0x65C)
+#define  SECURE_SCRATCH_RSV6		U(0x680)
+#define  SECURE_SCRATCH_RSV11_LO	U(0x6A8)
+#define  SECURE_SCRATCH_RSV11_HI	U(0x6AC)
+#define  SECURE_SCRATCH_RSV53_LO	U(0x7F8)
+#define  SECURE_SCRATCH_RSV53_HI	U(0x7FC)
+#define  SECURE_SCRATCH_RSV54_HI	U(0x804)
+#define  SECURE_SCRATCH_RSV55_LO	U(0x808)
+#define  SECURE_SCRATCH_RSV55_HI	U(0x80C)
 
 /*******************************************************************************
  * Tegra Memory Mapped Control Register Access constants
  ******************************************************************************/
-#define TEGRA_MMCRAB_BASE		0x0E000000
+#define TEGRA_MMCRAB_BASE		U(0x0E000000)
 
 /*******************************************************************************
  * Tegra Memory Mapped Activity Monitor Register Access constants
  ******************************************************************************/
-#define TEGRA_ARM_ACTMON_CTR_BASE	0x0E060000
-#define TEGRA_DENVER_ACTMON_CTR_BASE	0x0E070000
+#define TEGRA_ARM_ACTMON_CTR_BASE	U(0x0E060000)
+#define TEGRA_DENVER_ACTMON_CTR_BASE	U(0x0E070000)
 
 /*******************************************************************************
  * Tegra SMMU Controller constants
  ******************************************************************************/
-#define TEGRA_SMMU0_BASE		0x12000000
+#define TEGRA_SMMU0_BASE		U(0x12000000)
 
 /*******************************************************************************
  * Tegra TZRAM constants
  ******************************************************************************/
-#define TEGRA_TZRAM_BASE		0x30000000
-#define TEGRA_TZRAM_SIZE		0x40000
+#define TEGRA_TZRAM_BASE		U(0x30000000)
+#define TEGRA_TZRAM_SIZE		U(0x40000)
 
 #endif /* __TEGRA_DEF_H__ */
diff --git a/plat/nvidia/tegra/include/t210/tegra_def.h b/plat/nvidia/tegra/include/t210/tegra_def.h
index efa2d50..454c666 100644
--- a/plat/nvidia/tegra/include/t210/tegra_def.h
+++ b/plat/nvidia/tegra/include/t210/tegra_def.h
@@ -7,13 +7,15 @@
 #ifndef __TEGRA_DEF_H__
 #define __TEGRA_DEF_H__
 
+#include <utils_def.h>
+
 /*******************************************************************************
  * Power down state IDs
  ******************************************************************************/
-#define PSTATE_ID_CORE_POWERDN		7
-#define PSTATE_ID_CLUSTER_IDLE		16
-#define PSTATE_ID_CLUSTER_POWERDN	17
-#define PSTATE_ID_SOC_POWERDN		27
+#define PSTATE_ID_CORE_POWERDN		U(7)
+#define PSTATE_ID_CLUSTER_IDLE		U(16)
+#define PSTATE_ID_CLUSTER_POWERDN	U(17)
+#define PSTATE_ID_SOC_POWERDN		U(27)
 
 /*******************************************************************************
  * This value is used by the PSCI implementation during the `SYSTEM_SUSPEND`
@@ -27,26 +29,26 @@
  * - PLAT_MAX_RET_STATE should be less than lowest PSTATE_ID
  * - PLAT_MAX_OFF_STATE should be greater than the highest PSTATE_ID
  ******************************************************************************/
-#define PLAT_MAX_RET_STATE		1
-#define PLAT_MAX_OFF_STATE		(PSTATE_ID_SOC_POWERDN + 1)
+#define PLAT_MAX_RET_STATE		U(1)
+#define PLAT_MAX_OFF_STATE		(PSTATE_ID_SOC_POWERDN + U(1))
 
 /*******************************************************************************
  * GIC memory map
  ******************************************************************************/
-#define TEGRA_GICD_BASE			0x50041000
-#define TEGRA_GICC_BASE			0x50042000
+#define TEGRA_GICD_BASE			U(0x50041000)
+#define TEGRA_GICC_BASE			U(0x50042000)
 
 /*******************************************************************************
  * Tegra Memory Select Switch Controller constants
  ******************************************************************************/
-#define TEGRA_MSELECT_BASE		0x50060000
+#define TEGRA_MSELECT_BASE		U(0x50060000)
 
-#define MSELECT_CONFIG			0x0
-#define ENABLE_WRAP_INCR_MASTER2_BIT	(1 << 29)
-#define ENABLE_WRAP_INCR_MASTER1_BIT	(1 << 28)
-#define ENABLE_WRAP_INCR_MASTER0_BIT	(1 << 27)
-#define UNSUPPORTED_TX_ERR_MASTER2_BIT	(1 << 25)
-#define UNSUPPORTED_TX_ERR_MASTER1_BIT	(1 << 24)
+#define MSELECT_CONFIG			U(0x0)
+#define ENABLE_WRAP_INCR_MASTER2_BIT	(U(1) << U(29))
+#define ENABLE_WRAP_INCR_MASTER1_BIT	(U(1) << U(28))
+#define ENABLE_WRAP_INCR_MASTER0_BIT	(U(1) << U(27))
+#define UNSUPPORTED_TX_ERR_MASTER2_BIT	(U(1) << U(25))
+#define UNSUPPORTED_TX_ERR_MASTER1_BIT	(U(1) << U(24))
 #define ENABLE_UNSUP_TX_ERRORS		(UNSUPPORTED_TX_ERR_MASTER2_BIT | \
 					 UNSUPPORTED_TX_ERR_MASTER1_BIT)
 #define ENABLE_WRAP_TO_INCR_BURSTS	(ENABLE_WRAP_INCR_MASTER2_BIT | \
@@ -56,68 +58,70 @@
 /*******************************************************************************
  * Tegra micro-seconds timer constants
  ******************************************************************************/
-#define TEGRA_TMRUS_BASE		0x60005010
-#define TEGRA_TMRUS_SIZE		0x1000
+#define TEGRA_TMRUS_BASE		U(0x60005010)
+#define TEGRA_TMRUS_SIZE		U(0x1000)
 
 /*******************************************************************************
  * Tegra Clock and Reset Controller constants
  ******************************************************************************/
-#define TEGRA_CAR_RESET_BASE		0x60006000
+#define TEGRA_CAR_RESET_BASE		U(0x60006000)
+#define TEGRA_GPU_RESET_REG_OFFSET	U(0x28C)
+#define  GPU_RESET_BIT			(U(1) << 24)
 
 /*******************************************************************************
  * Tegra Flow Controller constants
  ******************************************************************************/
-#define TEGRA_FLOWCTRL_BASE		0x60007000
+#define TEGRA_FLOWCTRL_BASE		U(0x60007000)
 
 /*******************************************************************************
  * Tegra Secure Boot Controller constants
  ******************************************************************************/
-#define TEGRA_SB_BASE			0x6000C200
+#define TEGRA_SB_BASE			U(0x6000C200)
 
 /*******************************************************************************
  * Tegra Exception Vectors constants
  ******************************************************************************/
-#define TEGRA_EVP_BASE			0x6000F000
+#define TEGRA_EVP_BASE			U(0x6000F000)
 
 /*******************************************************************************
  * Tegra Miscellaneous register constants
  ******************************************************************************/
-#define TEGRA_MISC_BASE			0x70000000
-#define  HARDWARE_REVISION_OFFSET	0x804
+#define TEGRA_MISC_BASE			U(0x70000000)
+#define  HARDWARE_REVISION_OFFSET	U(0x804)
 
 /*******************************************************************************
  * Tegra UART controller base addresses
  ******************************************************************************/
-#define TEGRA_UARTA_BASE		0x70006000
-#define TEGRA_UARTB_BASE		0x70006040
-#define TEGRA_UARTC_BASE		0x70006200
-#define TEGRA_UARTD_BASE		0x70006300
-#define TEGRA_UARTE_BASE		0x70006400
+#define TEGRA_UARTA_BASE		U(0x70006000)
+#define TEGRA_UARTB_BASE		U(0x70006040)
+#define TEGRA_UARTC_BASE		U(0x70006200)
+#define TEGRA_UARTD_BASE		U(0x70006300)
+#define TEGRA_UARTE_BASE		U(0x70006400)
 
 /*******************************************************************************
  * Tegra Power Mgmt Controller constants
  ******************************************************************************/
-#define TEGRA_PMC_BASE			0x7000E400
+#define TEGRA_PMC_BASE			U(0x7000E400)
 
 /*******************************************************************************
  * Tegra Memory Controller constants
  ******************************************************************************/
-#define TEGRA_MC_BASE			0x70019000
+#define TEGRA_MC_BASE			U(0x70019000)
 
 /* TZDRAM carveout configuration registers */
-#define MC_SECURITY_CFG0_0		0x70
-#define MC_SECURITY_CFG1_0		0x74
-#define MC_SECURITY_CFG3_0		0x9BC
+#define MC_SECURITY_CFG0_0		U(0x70)
+#define MC_SECURITY_CFG1_0		U(0x74)
+#define MC_SECURITY_CFG3_0		U(0x9BC)
 
 /* Video Memory carveout configuration registers */
-#define MC_VIDEO_PROTECT_BASE_HI	0x978
-#define MC_VIDEO_PROTECT_BASE_LO	0x648
-#define MC_VIDEO_PROTECT_SIZE_MB	0x64c
+#define MC_VIDEO_PROTECT_BASE_HI	U(0x978)
+#define MC_VIDEO_PROTECT_BASE_LO	U(0x648)
+#define MC_VIDEO_PROTECT_SIZE_MB	U(0x64c)
 
 /*******************************************************************************
  * Tegra TZRAM constants
  ******************************************************************************/
-#define TEGRA_TZRAM_BASE		0x7C010000
-#define TEGRA_TZRAM_SIZE		0x10000
+#define TEGRA_TZRAM_BASE		U(0x7C010000)
+#define TEGRA_TZRAM_SIZE		U(0x10000)
 
 #endif /* __TEGRA_DEF_H__ */
diff --git a/plat/nvidia/tegra/include/tegra_private.h b/plat/nvidia/tegra/include/tegra_private.h
index 6aa7564..ec7a277 100644
--- a/plat/nvidia/tegra/include/tegra_private.h
+++ b/plat/nvidia/tegra/include/tegra_private.h
@@ -15,8 +15,8 @@
 /*******************************************************************************
  * Tegra DRAM memory base address
  ******************************************************************************/
-#define TEGRA_DRAM_BASE		0x80000000ULL
-#define TEGRA_DRAM_END		0x27FFFFFFFULL
+#define TEGRA_DRAM_BASE		ULL(0x80000000)
+#define TEGRA_DRAM_END		ULL(0x27FFFFFFF)
 
 /*******************************************************************************
  * Struct for parameters received from BL2
@@ -71,8 +71,8 @@
 void tegra_fiq_set_ns_entrypoint(uint64_t entrypoint);
 
 /* Declarations for tegra_gic.c */
-void tegra_gic_setup(const irq_sec_cfg_t *irq_sec_ptr, unsigned int num_irqs);
 void tegra_gic_cpuif_deactivate(void);
+void tegra_gic_setup(const irq_sec_cfg_t *irq_sec_ptr, uint32_t num_irqs);
 
 /* Declarations for tegra_security.c */
 void tegra_security_setup(void);
diff --git a/plat/nvidia/tegra/platform.mk b/plat/nvidia/tegra/platform.mk
index f5af408..eaf1091 100644
--- a/plat/nvidia/tegra/platform.mk
+++ b/plat/nvidia/tegra/platform.mk
@@ -34,3 +34,6 @@
 
 # modify BUILD_PLAT to point to SoC specific build directory
 BUILD_PLAT	:=	${BUILD_BASE}/${PLAT}/${TARGET_SOC}/${BUILD_TYPE}
+
+# enable signed comparison checks
+CFLAGS		+= -Wsign-compare
diff --git a/plat/nvidia/tegra/soc/t132/plat_psci_handlers.c b/plat/nvidia/tegra/soc/t132/plat_psci_handlers.c
index 56ce91b..9b7dc85 100644
--- a/plat/nvidia/tegra/soc/t132/plat_psci_handlers.c
+++ b/plat/nvidia/tegra/soc/t132/plat_psci_handlers.c
@@ -49,7 +49,7 @@
 	}
 
 	/* Set lower power states to PLAT_MAX_OFF_STATE */
-	for (int i = MPIDR_AFFLVL0; i < PLAT_MAX_PWR_LVL; i++)
+	for (uint32_t i = MPIDR_AFFLVL0; i < PLAT_MAX_PWR_LVL; i++)
 		req_state->pwr_domain_state[i] = PLAT_MAX_OFF_STATE;
 
 	/* Set the SYSTEM_SUSPEND state-id */
diff --git a/plat/nvidia/tegra/soc/t186/drivers/include/mce_private.h b/plat/nvidia/tegra/soc/t186/drivers/include/mce_private.h
index 7d814d2..26197e9 100644
--- a/plat/nvidia/tegra/soc/t186/drivers/include/mce_private.h
+++ b/plat/nvidia/tegra/soc/t186/drivers/include/mce_private.h
@@ -14,127 +14,68 @@
  * Macros to prepare CSTATE info request
  ******************************************************************************/
 /* Description of the parameters for UPDATE_CSTATE_INFO request */
-#define CLUSTER_CSTATE_MASK			0x7ULL
-#define CLUSTER_CSTATE_SHIFT			0U
-#define CLUSTER_CSTATE_UPDATE_BIT		(1ULL << 7)
-#define CCPLEX_CSTATE_MASK			0x3ULL
-#define CCPLEX_CSTATE_SHIFT			8ULL
-#define CCPLEX_CSTATE_UPDATE_BIT		(1ULL << 15)
-#define SYSTEM_CSTATE_MASK			0xFULL
-#define SYSTEM_CSTATE_SHIFT			16ULL
-#define SYSTEM_CSTATE_FORCE_UPDATE_SHIFT	22ULL
-#define SYSTEM_CSTATE_FORCE_UPDATE_BIT		(1ULL << 22)
-#define SYSTEM_CSTATE_UPDATE_BIT		(1ULL << 23)
-#define CSTATE_WAKE_MASK_UPDATE_BIT		(1ULL << 31)
-#define CSTATE_WAKE_MASK_SHIFT			32ULL
-#define CSTATE_WAKE_MASK_CLEAR			0xFFFFFFFFU
+#define CLUSTER_CSTATE_MASK			ULL(0x7)
+#define CLUSTER_CSTATE_SHIFT			U(0)
+#define CLUSTER_CSTATE_UPDATE_BIT		(ULL(1) << 7)
+#define CCPLEX_CSTATE_MASK			ULL(0x3)
+#define CCPLEX_CSTATE_SHIFT			ULL(8)
+#define CCPLEX_CSTATE_UPDATE_BIT		(ULL(1) << 15)
+#define SYSTEM_CSTATE_MASK			ULL(0xF)
+#define SYSTEM_CSTATE_SHIFT			ULL(16)
+#define SYSTEM_CSTATE_FORCE_UPDATE_SHIFT	ULL(22)
+#define SYSTEM_CSTATE_FORCE_UPDATE_BIT		(ULL(1) << 22)
+#define SYSTEM_CSTATE_UPDATE_BIT		(ULL(1) << 23)
+#define CSTATE_WAKE_MASK_UPDATE_BIT		(ULL(1) << 31)
+#define CSTATE_WAKE_MASK_SHIFT			ULL(32)
+#define CSTATE_WAKE_MASK_CLEAR			U(0xFFFFFFFF)
 
 /*******************************************************************************
  * Auto-CC3 control macros
  ******************************************************************************/
-#define MCE_AUTO_CC3_FREQ_MASK			0x1FFU
-#define MCE_AUTO_CC3_FREQ_SHIFT			0U
-#define MCE_AUTO_CC3_VTG_MASK			0x7FU
-#define MCE_AUTO_CC3_VTG_SHIFT			16U
-#define MCE_AUTO_CC3_ENABLE_BIT			(1U << 31)
+#define MCE_AUTO_CC3_FREQ_MASK			U(0x1FF)
+#define MCE_AUTO_CC3_FREQ_SHIFT			U(0)
+#define MCE_AUTO_CC3_VTG_MASK			U(0x7F)
+#define MCE_AUTO_CC3_VTG_SHIFT			U(16)
+#define MCE_AUTO_CC3_ENABLE_BIT			(U(1) << 31)
 
 /*******************************************************************************
  * Macros for the 'IS_SC7_ALLOWED' command
  ******************************************************************************/
-#define MCE_SC7_ALLOWED_MASK			0x7U
-#define MCE_SC7_WAKE_TIME_SHIFT			32U
+#define MCE_SC7_ALLOWED_MASK			U(0x7)
+#define MCE_SC7_WAKE_TIME_SHIFT			U(32)
 
 /*******************************************************************************
  * Macros for 'read/write ctats' commands
  ******************************************************************************/
-#define MCE_CSTATE_STATS_TYPE_SHIFT		32ULL
-#define MCE_CSTATE_WRITE_DATA_LO_MASK		0xFU
+#define MCE_CSTATE_STATS_TYPE_SHIFT		ULL(32)
+#define MCE_CSTATE_WRITE_DATA_LO_MASK		U(0xF)
 
 /*******************************************************************************
  * Macros for 'update crossover threshold' command
  ******************************************************************************/
-#define MCE_CROSSOVER_THRESHOLD_TIME_SHIFT	32U
+#define MCE_CROSSOVER_THRESHOLD_TIME_SHIFT	U(32)
 
 /*******************************************************************************
- * MCA command struct
+ * MCA argument macros
  ******************************************************************************/
-typedef union mca_cmd {
-	struct command {
-		uint8_t cmd;
-		uint8_t idx;
-		uint8_t subidx;
-	} command;
-	struct input {
-		uint32_t low;
-		uint32_t high;
-	} input;
-	uint64_t data;
-} mca_cmd_t;
+#define MCA_ARG_ERROR_MASK			U(0xFF)
+#define MCA_ARG_FINISH_SHIFT			U(24)
+#define MCA_ARG_FINISH_MASK			U(0xFF)
 
 /*******************************************************************************
- * MCA argument struct
- ******************************************************************************/
-typedef union mca_arg {
-	struct err {
-		uint32_t error:8;
-		uint32_t unused:24;
-		uint32_t unused2:24;
-		uint32_t finish:8;
-	} err;
-	struct arg {
-		uint32_t low;
-		uint32_t high;
-	} arg;
-	uint64_t data;
-} mca_arg_t;
-
-/*******************************************************************************
  * Uncore PERFMON ARI struct
  ******************************************************************************/
-typedef union uncore_perfmon_req {
-	struct perfmon_command {
-		/*
-		 * Commands: 0 = READ, 1 = WRITE
-		 */
-		uint32_t cmd:8;
-		/*
-		 * The unit group: L2=0, L3=1, ROC=2, MC=3, IOB=4
-		 */
-		uint32_t grp:4;
-		/*
-		 * Unit selector: Selects the unit instance, with 0 = Unit
-		 * = (number of units in group) - 1.
-		 */
-		uint32_t unit:4;
-		/*
-		 * Selects the uncore perfmon register to access
-		 */
-		uint32_t reg:8;
-		/*
-		 * Counter number. Selects which counter to use for
-		 * registers NV_PMEVCNTR and NV_PMEVTYPER.
-		 */
-		uint32_t counter:8;
-	} perfmon_command;
-	struct perfmon_status {
-		/*
-		 * Resulting command status
-		 */
-		uint32_t val:8;
-		uint32_t unused:24;
-	} perfmon_status;
-	uint64_t data;
-} uncore_perfmon_req_t;
+#define UNCORE_PERFMON_CMD_READ			U(0)
+#define UNCORE_PERFMON_CMD_WRITE		U(1)
 
-#define UNCORE_PERFMON_CMD_READ			0U
-#define UNCORE_PERFMON_CMD_WRITE		1U
-
-#define UNCORE_PERFMON_CMD_MASK			0xFFU
-#define UNCORE_PERFMON_UNIT_GRP_MASK		0xFU
-#define UNCORE_PERFMON_SELECTOR_MASK		0xFU
-#define UNCORE_PERFMON_REG_MASK			0xFFU
-#define UNCORE_PERFMON_CTR_MASK			0xFFU
-#define UNCORE_PERFMON_RESP_STATUS_MASK		0xFFU
+#define UNCORE_PERFMON_CMD_MASK			U(0xFF)
+#define UNCORE_PERFMON_CMD_SHIFT		U(24)
+#define UNCORE_PERFMON_UNIT_GRP_MASK		U(0xF)
+#define UNCORE_PERFMON_SELECTOR_MASK		U(0xF)
+#define UNCORE_PERFMON_REG_MASK			U(0xFF)
+#define UNCORE_PERFMON_CTR_MASK			U(0xFF)
+#define UNCORE_PERFMON_RESP_STATUS_MASK		U(0xFF)
+#define UNCORE_PERFMON_RESP_STATUS_SHIFT	U(24)
 
 /*******************************************************************************
  * Structure populated by arch specific code to export routines which perform
@@ -146,13 +87,13 @@
 	 * of STANDBYWFI, update the core power state and expected wake time,
 	 * then determine the proper power state to enter.
 	 */
-	int (*enter_cstate)(uint32_t ari_base, uint32_t state,
+	int32_t (*enter_cstate)(uint32_t ari_base, uint32_t state,
 			    uint32_t wake_time);
 	/*
 	 * This ARI request allows updating of the CLUSTER_CSTATE,
 	 * CCPLEX_CSTATE, and SYSTEM_CSTATE register values.
 	 */
-	int (*update_cstate_info)(uint32_t ari_base,
+	int32_t (*update_cstate_info)(uint32_t ari_base,
 				  uint32_t cluster,
 				  uint32_t ccplex,
 				  uint32_t system,
@@ -164,7 +105,7 @@
 	 * threshold times. An index value specifies which crossover
 	 * state is being updated.
 	 */
-	int (*update_crossover_time)(uint32_t ari_base,
+	int32_t (*update_crossover_time)(uint32_t ari_base,
 				     uint32_t type,
 				     uint32_t time);
 	/*
@@ -177,7 +118,7 @@
 	 * This ARI request allows write access to statistical information
 	 * related to power states.
 	 */
-	int (*write_cstate_stats)(uint32_t ari_base,
+	int32_t (*write_cstate_stats)(uint32_t ari_base,
 				  uint32_t state,
 				  uint32_t stats);
 	/*
@@ -193,7 +134,7 @@
 	 * must be entered. If the CCx state is not allowed, the response
 	 * indicates CC6/CC7 can't be entered
 	 */
-	int (*is_ccx_allowed)(uint32_t ari_base, uint32_t state,
+	int32_t (*is_ccx_allowed)(uint32_t ari_base, uint32_t state,
 			      uint32_t wake_time);
 	/*
 	 * This ARI request allows querying the CCPLEX to determine if
@@ -203,19 +144,19 @@
 	 * indicates SC7 must be entered. If the SC7 state is not allowed,
 	 * the response indicates SC7 can't be entered
 	 */
-	int (*is_sc7_allowed)(uint32_t ari_base, uint32_t state,
+	int32_t (*is_sc7_allowed)(uint32_t ari_base, uint32_t state,
 			      uint32_t wake_time);
 	/*
 	 * This ARI request allows a core to bring another offlined core
 	 * back online to the C0 state. Note that a core is offlined by
 	 * entering a C-state where the WAKE_MASK is all 0.
 	 */
-	int (*online_core)(uint32_t ari_base, uint32_t cpuid);
+	int32_t (*online_core)(uint32_t ari_base, uint32_t cpuid);
 	/*
 	 * This ARI request allows the CPU to enable/disable Auto-CC3 idle
 	 * state.
 	 */
-	int (*cc3_ctrl)(uint32_t ari_base,
+	int32_t (*cc3_ctrl)(uint32_t ari_base,
 			uint32_t freq,
 			uint32_t volt,
 			uint8_t enable);
@@ -223,30 +164,30 @@
 	 * This ARI request allows updating the reset vector register for
 	 * D15 and A57 CPUs.
 	 */
-	int (*update_reset_vector)(uint32_t ari_base);
+	int32_t (*update_reset_vector)(uint32_t ari_base);
 	/*
 	 * This ARI request instructs the ROC to flush A57 data caches in
 	 * order to maintain coherency with the Denver cluster.
 	 */
-	int (*roc_flush_cache)(uint32_t ari_base);
+	int32_t (*roc_flush_cache)(uint32_t ari_base);
 	/*
 	 * This ARI request instructs the ROC to flush A57 data caches along
 	 * with the caches covering ARM code in order to maintain coherency
 	 * with the Denver cluster.
 	 */
-	int (*roc_flush_cache_trbits)(uint32_t ari_base);
+	int32_t (*roc_flush_cache_trbits)(uint32_t ari_base);
 	/*
 	 * This ARI request instructs the ROC to clean A57 data caches along
 	 * with the caches covering ARM code in order to maintain coherency
 	 * with the Denver cluster.
 	 */
-	int (*roc_clean_cache)(uint32_t ari_base);
+	int32_t (*roc_clean_cache)(uint32_t ari_base);
 	/*
 	 * This ARI request reads/writes the Machine Check Arch. (MCA)
 	 * registers.
 	 */
 	uint64_t (*read_write_mca)(uint32_t ari_base,
-			      mca_cmd_t cmd,
+			      uint64_t cmd,
 			      uint64_t *data);
 	/*
 	 * Some MC GSC (General Security Carveout) register values are
@@ -258,7 +199,7 @@
 	 * register value. This ARI request allows updating the GSC register
 	 * value for a certain carveout in the CCPLEX.
 	 */
-	int (*update_ccplex_gsc)(uint32_t ari_base, uint32_t gsc_idx);
+	int32_t (*update_ccplex_gsc)(uint32_t ari_base, uint32_t gsc_idx);
 	/*
 	 * This ARI request instructs the CCPLEX to either shutdown or
 	 * reset the entire system
@@ -268,8 +209,8 @@
 	 * This ARI request reads/writes data from/to Uncore PERFMON
 	 * registers
 	 */
-	int (*read_write_uncore_perfmon)(uint32_t ari_base,
-			uncore_perfmon_req_t req, uint64_t *data);
+	int32_t (*read_write_uncore_perfmon)(uint32_t ari_base,
+			uint64_t req, uint64_t *data);
 	/*
 	 * This ARI implements ARI_MISC_CCPLEX commands. This can be
 	 * used to enable/disable coresight clock gating.
@@ -279,39 +220,42 @@
 } arch_mce_ops_t;
 
 /* declarations for ARI/NVG handler functions */
-int ari_enter_cstate(uint32_t ari_base, uint32_t state, uint32_t wake_time);
-int ari_update_cstate_info(uint32_t ari_base, uint32_t cluster, uint32_t ccplex,
+int32_t ari_enter_cstate(uint32_t ari_base, uint32_t state, uint32_t wake_time);
+int32_t ari_update_cstate_info(uint32_t ari_base, uint32_t cluster, uint32_t ccplex,
 	uint32_t system, uint8_t sys_state_force, uint32_t wake_mask,
 	uint8_t update_wake_mask);
-int ari_update_crossover_time(uint32_t ari_base, uint32_t type, uint32_t time);
+int32_t ari_update_crossover_time(uint32_t ari_base, uint32_t type, uint32_t time);
 uint64_t ari_read_cstate_stats(uint32_t ari_base, uint32_t state);
-int ari_write_cstate_stats(uint32_t ari_base, uint32_t state, uint32_t stats);
+int32_t ari_write_cstate_stats(uint32_t ari_base, uint32_t state, uint32_t stats);
 uint64_t ari_enumeration_misc(uint32_t ari_base, uint32_t cmd, uint32_t data);
-int ari_is_ccx_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time);
-int ari_is_sc7_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time);
-int ari_online_core(uint32_t ari_base, uint32_t core);
-int ari_cc3_ctrl(uint32_t ari_base, uint32_t freq, uint32_t volt, uint8_t enable);
-int ari_reset_vector_update(uint32_t ari_base);
-int ari_roc_flush_cache_trbits(uint32_t ari_base);
-int ari_roc_flush_cache(uint32_t ari_base);
-int ari_roc_clean_cache(uint32_t ari_base);
-uint64_t ari_read_write_mca(uint32_t ari_base, mca_cmd_t cmd, uint64_t *data);
-int ari_update_ccplex_gsc(uint32_t ari_base, uint32_t gsc_idx);
+int32_t ari_is_ccx_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time);
+int32_t ari_is_sc7_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time);
+int32_t ari_online_core(uint32_t ari_base, uint32_t core);
+int32_t ari_cc3_ctrl(uint32_t ari_base, uint32_t freq, uint32_t volt, uint8_t enable);
+int32_t ari_reset_vector_update(uint32_t ari_base);
+int32_t ari_roc_flush_cache_trbits(uint32_t ari_base);
+int32_t ari_roc_flush_cache(uint32_t ari_base);
+int32_t ari_roc_clean_cache(uint32_t ari_base);
+uint64_t ari_read_write_mca(uint32_t ari_base, uint64_t cmd, uint64_t *data);
+int32_t ari_update_ccplex_gsc(uint32_t ari_base, uint32_t gsc_idx);
 void ari_enter_ccplex_state(uint32_t ari_base, uint32_t state_idx);
-int ari_read_write_uncore_perfmon(uint32_t ari_base,
-		uncore_perfmon_req_t req, uint64_t *data);
+int32_t ari_read_write_uncore_perfmon(uint32_t ari_base,
+		uint64_t req, uint64_t *data);
 void ari_misc_ccplex(uint32_t ari_base, uint32_t index, uint32_t value);
 
-int nvg_enter_cstate(uint32_t ari_base, uint32_t state, uint32_t wake_time);
-int nvg_update_cstate_info(uint32_t ari_base, uint32_t cluster, uint32_t ccplex,
+int32_t nvg_enter_cstate(uint32_t ari_base, uint32_t state, uint32_t wake_time);
+int32_t nvg_update_cstate_info(uint32_t ari_base, uint32_t cluster, uint32_t ccplex,
 		uint32_t system, uint8_t sys_state_force, uint32_t wake_mask,
 		uint8_t update_wake_mask);
-int nvg_update_crossover_time(uint32_t ari_base, uint32_t type, uint32_t time);
+int32_t nvg_update_crossover_time(uint32_t ari_base, uint32_t type, uint32_t time);
 uint64_t nvg_read_cstate_stats(uint32_t ari_base, uint32_t state);
-int nvg_write_cstate_stats(uint32_t ari_base, uint32_t state, uint32_t val);
-int nvg_is_ccx_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time);
-int nvg_is_sc7_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time);
-int nvg_online_core(uint32_t ari_base, uint32_t core);
-int nvg_cc3_ctrl(uint32_t ari_base, uint32_t freq, uint32_t volt, uint8_t enable);
+int32_t nvg_write_cstate_stats(uint32_t ari_base, uint32_t state, uint32_t stats);
+int32_t nvg_is_ccx_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time);
+int32_t nvg_is_sc7_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time);
+int32_t nvg_online_core(uint32_t ari_base, uint32_t core);
+int32_t nvg_cc3_ctrl(uint32_t ari_base, uint32_t freq, uint32_t volt, uint8_t enable);
 
+extern void nvg_set_request_data(uint64_t req, uint64_t data);
+extern void nvg_set_request(uint64_t req);
+extern uint64_t nvg_get_result(void);
 #endif /* __MCE_PRIVATE_H__ */
diff --git a/plat/nvidia/tegra/soc/t186/drivers/mce/ari.c b/plat/nvidia/tegra/soc/t186/drivers/mce/ari.c
index 4765ba0..2803f4e 100644
--- a/plat/nvidia/tegra/soc/t186/drivers/mce/ari.c
+++ b/plat/nvidia/tegra/soc/t186/drivers/mce/ari.c
@@ -19,13 +19,13 @@
 /*******************************************************************************
  * Register offsets for ARI request/results
  ******************************************************************************/
-#define ARI_REQUEST			0x0
-#define ARI_REQUEST_EVENT_MASK		0x4
-#define ARI_STATUS			0x8
-#define ARI_REQUEST_DATA_LO		0xC
-#define ARI_REQUEST_DATA_HI		0x10
-#define ARI_RESPONSE_DATA_LO		0x14
-#define ARI_RESPONSE_DATA_HI		0x18
+#define ARI_REQUEST			0x0U
+#define ARI_REQUEST_EVENT_MASK		0x4U
+#define ARI_STATUS			0x8U
+#define ARI_REQUEST_DATA_LO		0xCU
+#define ARI_REQUEST_DATA_HI		0x10U
+#define ARI_RESPONSE_DATA_LO		0x14U
+#define ARI_RESPONSE_DATA_HI		0x18U
 
 /* Status values for the current request */
 #define ARI_REQ_PENDING			1U
@@ -41,12 +41,12 @@
  ******************************************************************************/
 static inline uint32_t ari_read_32(uint32_t ari_base, uint32_t reg)
 {
-	return mmio_read_32(ari_base + reg);
+	return mmio_read_32((uint64_t)ari_base + (uint64_t)reg);
 }
 
 static inline void ari_write_32(uint32_t ari_base, uint32_t val, uint32_t reg)
 {
-	mmio_write_32(ari_base + reg, val);
+	mmio_write_32((uint64_t)ari_base + (uint64_t)reg, val);
 }
 
 static inline uint32_t ari_get_request_low(uint32_t ari_base)
@@ -75,11 +75,12 @@
 	ari_write_32(ari_base, 0, ARI_RESPONSE_DATA_HI);
 }
 
-static int ari_request_wait(uint32_t ari_base, uint32_t evt_mask, uint32_t req,
+static int32_t ari_request_wait(uint32_t ari_base, uint32_t evt_mask, uint32_t req,
 		uint32_t lo, uint32_t hi)
 {
 	uint32_t retries = ARI_MAX_RETRY_COUNT;
 	uint32_t status;
+	int32_t ret = 0;
 
 	/* program the request, event_mask, hi and lo registers */
 	ari_write_32(ari_base, lo, ARI_REQUEST_DATA_LO);
@@ -92,236 +93,270 @@
 	 * ARI_STATUS polling, since MCE is waiting for SW to trigger
 	 * the event.
 	 */
-	if (evt_mask)
-		return 0;
+	if (evt_mask != 0U) {
+		ret = 0;
+	} else {
+		/* For shutdown/reboot commands, we dont have to check for timeouts */
+		if ((req == (uint32_t)TEGRA_ARI_MISC_CCPLEX) &&
+		    ((lo == (uint32_t)TEGRA_ARI_MISC_CCPLEX_SHUTDOWN_POWER_OFF) ||
+		     (lo == (uint32_t)TEGRA_ARI_MISC_CCPLEX_SHUTDOWN_REBOOT))) {
+				ret = 0;
+		} else {
+			/*
+			 * Wait for the command response for not more than the timeout
+			 */
+			while (retries != 0U) {
 
-	/* For shutdown/reboot commands, we dont have to check for timeouts */
-	if ((req == (uint32_t)TEGRA_ARI_MISC_CCPLEX) &&
-	    ((lo == (uint32_t)TEGRA_ARI_MISC_CCPLEX_SHUTDOWN_POWER_OFF) ||
-	     (lo == (uint32_t)TEGRA_ARI_MISC_CCPLEX_SHUTDOWN_REBOOT))) {
-			return 0;
-	}
+				/* read the command status */
+				status = ari_read_32(ari_base, ARI_STATUS);
+				if ((status & (ARI_REQ_ONGOING | ARI_REQ_PENDING)) == 0U) {
+					break;
+				}
 
-	/*
-	 * Wait for the command response for not more than the timeout
-	 */
-	while (retries != 0U) {
+				/* delay 1 ms */
+				mdelay(1);
 
-		/* read the command status */
-		status = ari_read_32(ari_base, ARI_STATUS);
-		if ((status & (ARI_REQ_ONGOING | ARI_REQ_PENDING)) == 0U)
-			break;
+				/* decrement the retry count */
+				retries--;
+			}
 
-		/* delay 1 ms */
-		mdelay(1);
-
-		/* decrement the retry count */
-		retries--;
-	}
-
-	/* assert if the command timed out */
-	if (retries == 0U) {
-		ERROR("ARI request timed out: req %d on CPU %d\n",
-			req, plat_my_core_pos());
-		assert(retries != 0U);
+			/* assert if the command timed out */
+			if (retries == 0U) {
+				ERROR("ARI request timed out: req %d on CPU %d\n",
+					req, plat_my_core_pos());
+				assert(retries != 0U);
+			}
+		}
 	}
 
-	return 0;
+	return ret;
 }
 
-int ari_enter_cstate(uint32_t ari_base, uint32_t state, uint32_t wake_time)
+int32_t ari_enter_cstate(uint32_t ari_base, uint32_t state, uint32_t wake_time)
 {
+	int32_t ret = 0;
+
 	/* check for allowed power state */
-	if (state != TEGRA_ARI_CORE_C0 && state != TEGRA_ARI_CORE_C1 &&
-	    state != TEGRA_ARI_CORE_C6 && state != TEGRA_ARI_CORE_C7) {
+	if ((state != TEGRA_ARI_CORE_C0) &&
+	    (state != TEGRA_ARI_CORE_C1) &&
+	    (state != TEGRA_ARI_CORE_C6) &&
+	    (state != TEGRA_ARI_CORE_C7)) {
 		ERROR("%s: unknown cstate (%d)\n", __func__, state);
-		return EINVAL;
-	}
+		ret = EINVAL;
+	} else {
+		/* clean the previous response state */
+		ari_clobber_response(ari_base);
 
-	/* clean the previous response state */
-	ari_clobber_response(ari_base);
-
-	/* Enter the cstate, to be woken up after wake_time (TSC ticks) */
-	return ari_request_wait(ari_base, ARI_EVT_MASK_STANDBYWFI_BIT,
+		/* Enter the cstate, to be woken up after wake_time (TSC ticks) */
+		ret = ari_request_wait(ari_base, ARI_EVT_MASK_STANDBYWFI_BIT,
 		TEGRA_ARI_ENTER_CSTATE, state, wake_time);
+	}
+
+	return ret;
 }
 
-int ari_update_cstate_info(uint32_t ari_base, uint32_t cluster, uint32_t ccplex,
+int32_t ari_update_cstate_info(uint32_t ari_base, uint32_t cluster, uint32_t ccplex,
 	uint32_t system, uint8_t sys_state_force, uint32_t wake_mask,
 	uint8_t update_wake_mask)
 {
-	uint32_t val = 0;
+	uint32_t val = 0U;
 
 	/* clean the previous response state */
 	ari_clobber_response(ari_base);
 
 	/* update CLUSTER_CSTATE? */
-	if (cluster)
-		val |= (cluster & CLUSTER_CSTATE_MASK) |
-			CLUSTER_CSTATE_UPDATE_BIT;
+	if (cluster != 0U) {
+		val |= (cluster & (uint32_t)CLUSTER_CSTATE_MASK) |
+			(uint32_t)CLUSTER_CSTATE_UPDATE_BIT;
+	}
 
 	/* update CCPLEX_CSTATE? */
-	if (ccplex)
-		val |= (ccplex & CCPLEX_CSTATE_MASK) << CCPLEX_CSTATE_SHIFT |
-			CCPLEX_CSTATE_UPDATE_BIT;
+	if (ccplex != 0U) {
+		val |= ((ccplex & (uint32_t)CCPLEX_CSTATE_MASK) << (uint32_t)CCPLEX_CSTATE_SHIFT) |
+			(uint32_t)CCPLEX_CSTATE_UPDATE_BIT;
+	}
 
 	/* update SYSTEM_CSTATE? */
-	if (system)
-		val |= ((system & SYSTEM_CSTATE_MASK) << SYSTEM_CSTATE_SHIFT) |
-		       ((sys_state_force << SYSTEM_CSTATE_FORCE_UPDATE_SHIFT) |
-			SYSTEM_CSTATE_UPDATE_BIT);
+	if (system != 0U) {
+		val |= ((system & (uint32_t)SYSTEM_CSTATE_MASK) << (uint32_t)SYSTEM_CSTATE_SHIFT) |
+		       (((uint32_t)sys_state_force << SYSTEM_CSTATE_FORCE_UPDATE_SHIFT) |
+			(uint32_t)SYSTEM_CSTATE_UPDATE_BIT);
+	}
 
 	/* update wake mask value? */
-	if (update_wake_mask)
-		val |= CSTATE_WAKE_MASK_UPDATE_BIT;
+	if (update_wake_mask != 0U) {
+		val |= (uint32_t)CSTATE_WAKE_MASK_UPDATE_BIT;
+	}
 
 	/* set the updated cstate info */
-	return ari_request_wait(ari_base, 0, TEGRA_ARI_UPDATE_CSTATE_INFO, val,
+	return ari_request_wait(ari_base, 0U, TEGRA_ARI_UPDATE_CSTATE_INFO, val,
 			wake_mask);
 }
 
-int ari_update_crossover_time(uint32_t ari_base, uint32_t type, uint32_t time)
+int32_t ari_update_crossover_time(uint32_t ari_base, uint32_t type, uint32_t time)
 {
+	int32_t ret = 0;
+
 	/* sanity check crossover type */
 	if ((type == TEGRA_ARI_CROSSOVER_C1_C6) ||
-	    (type > TEGRA_ARI_CROSSOVER_CCP3_SC1))
-		return EINVAL;
-
-	/* clean the previous response state */
-	ari_clobber_response(ari_base);
+	    (type > TEGRA_ARI_CROSSOVER_CCP3_SC1)) {
+		ret = EINVAL;
+	} else {
+		/* clean the previous response state */
+		ari_clobber_response(ari_base);
 
-	/* update crossover threshold time */
-	return ari_request_wait(ari_base, 0, TEGRA_ARI_UPDATE_CROSSOVER,
+		/* update crossover threshold time */
+		ret = ari_request_wait(ari_base, 0U, TEGRA_ARI_UPDATE_CROSSOVER,
 			type, time);
+	}
+
+	return ret;
 }
 
 uint64_t ari_read_cstate_stats(uint32_t ari_base, uint32_t state)
 {
-	int ret;
+	int32_t ret;
+	uint64_t result;
 
 	/* sanity check crossover type */
-	if (state == 0)
-		return EINVAL;
-
-	/* clean the previous response state */
-	ari_clobber_response(ari_base);
-
-	ret = ari_request_wait(ari_base, 0, TEGRA_ARI_CSTATE_STATS, state, 0);
-	if (ret != 0)
-		return EINVAL;
+	if (state == 0U) {
+		result = EINVAL;
+	} else {
+		/* clean the previous response state */
+		ari_clobber_response(ari_base);
 
-	return (uint64_t)ari_get_response_low(ari_base);
+		ret = ari_request_wait(ari_base, 0U, TEGRA_ARI_CSTATE_STATS, state, 0U);
+		if (ret != 0) {
+			result = EINVAL;
+		} else {
+			result = (uint64_t)ari_get_response_low(ari_base);
+		}
+	}
+	return result;
 }
 
-int ari_write_cstate_stats(uint32_t ari_base, uint32_t state, uint32_t stats)
+int32_t ari_write_cstate_stats(uint32_t ari_base, uint32_t state, uint32_t stats)
 {
 	/* clean the previous response state */
 	ari_clobber_response(ari_base);
 
 	/* write the cstate stats */
-	return ari_request_wait(ari_base, 0, TEGRA_ARI_WRITE_CSTATE_STATS, state,
+	return ari_request_wait(ari_base, 0U, TEGRA_ARI_WRITE_CSTATE_STATS, state,
 			stats);
 }
 
 uint64_t ari_enumeration_misc(uint32_t ari_base, uint32_t cmd, uint32_t data)
 {
 	uint64_t resp;
-	int ret;
+	int32_t ret;
+	uint32_t local_data = data;
 
 	/* clean the previous response state */
 	ari_clobber_response(ari_base);
 
 	/* ARI_REQUEST_DATA_HI is reserved for commands other than 'ECHO' */
-	if (cmd != TEGRA_ARI_MISC_ECHO)
-		data = 0;
-
-	ret = ari_request_wait(ari_base, 0, TEGRA_ARI_MISC, cmd, data);
-	if (ret)
-		return (uint64_t)ret;
+	if (cmd != TEGRA_ARI_MISC_ECHO) {
+		local_data = 0U;
+	}
 
-	/* get the command response */
-	resp = ari_get_response_low(ari_base);
-	resp |= ((uint64_t)ari_get_response_high(ari_base) << 32);
+	ret = ari_request_wait(ari_base, 0U, TEGRA_ARI_MISC, cmd, local_data);
+	if (ret != 0) {
+		resp = (uint64_t)ret;
+	} else {
+		/* get the command response */
+		resp = ari_get_response_low(ari_base);
+		resp |= ((uint64_t)ari_get_response_high(ari_base) << 32);
+	}
 
 	return resp;
 }
 
-int ari_is_ccx_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time)
+int32_t ari_is_ccx_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time)
 {
-	int ret;
+	int32_t ret;
+	uint32_t result;
 
 	/* clean the previous response state */
 	ari_clobber_response(ari_base);
 
-	ret = ari_request_wait(ari_base, 0, TEGRA_ARI_IS_CCX_ALLOWED, state & 0x7,
+	ret = ari_request_wait(ari_base, 0U, TEGRA_ARI_IS_CCX_ALLOWED, state & 0x7U,
 			wake_time);
-	if (ret) {
+	if (ret != 0) {
 		ERROR("%s: failed (%d)\n", __func__, ret);
-		return 0;
+		result = 0U;
+	} else {
+		result = ari_get_response_low(ari_base) & 0x1U;
 	}
 
 	/* 1 = CCx allowed, 0 = CCx not allowed */
-	return (ari_get_response_low(ari_base) & 0x1);
+	return (int32_t)result;
 }
 
-int ari_is_sc7_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time)
+int32_t ari_is_sc7_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time)
 {
-	int ret;
+	int32_t ret, result;
 
 	/* check for allowed power state */
-	if (state != TEGRA_ARI_CORE_C0 && state != TEGRA_ARI_CORE_C1 &&
-	    state != TEGRA_ARI_CORE_C6 && state != TEGRA_ARI_CORE_C7) {
+	if ((state != TEGRA_ARI_CORE_C0) &&
+	    (state != TEGRA_ARI_CORE_C1) &&
+	    (state != TEGRA_ARI_CORE_C6) &&
+	    (state != TEGRA_ARI_CORE_C7)) {
 		ERROR("%s: unknown cstate (%d)\n", __func__, state);
-		return EINVAL;
-	}
-
-	/* clean the previous response state */
-	ari_clobber_response(ari_base);
+		result = EINVAL;
+	} else {
+		/* clean the previous response state */
+		ari_clobber_response(ari_base);
 
-	ret = ari_request_wait(ari_base, 0, TEGRA_ARI_IS_SC7_ALLOWED, state,
-			wake_time);
-	if (ret) {
-		ERROR("%s: failed (%d)\n", __func__, ret);
-		return 0;
+		ret = ari_request_wait(ari_base, 0U, TEGRA_ARI_IS_SC7_ALLOWED, state,
+				wake_time);
+		if (ret != 0) {
+			ERROR("%s: failed (%d)\n", __func__, ret);
+			result = 0;
+		} else {
+			/* 1 = SC7 allowed, 0 = SC7 not allowed */
+			result = (ari_get_response_low(ari_base) != 0U) ? 1 : 0;
+		}
 	}
 
-	/* 1 = SC7 allowed, 0 = SC7 not allowed */
-	return !!ari_get_response_low(ari_base);
+	return result;
 }
 
-int ari_online_core(uint32_t ari_base, uint32_t core)
+int32_t ari_online_core(uint32_t ari_base, uint32_t core)
 {
-	int cpu = read_mpidr() & MPIDR_CPU_MASK;
-	int cluster = (read_mpidr() & MPIDR_CLUSTER_MASK) >>
-			MPIDR_AFFINITY_BITS;
-	int impl = (read_midr() >> MIDR_IMPL_SHIFT) & MIDR_IMPL_MASK;
+	uint64_t cpu = read_mpidr() & (uint64_t)(MPIDR_CPU_MASK);
+	uint64_t cluster = (read_mpidr() & (uint64_t)(MPIDR_CLUSTER_MASK)) >>
+			   (uint64_t)(MPIDR_AFFINITY_BITS);
+	uint64_t impl = (read_midr() >> (uint64_t)MIDR_IMPL_SHIFT) & (uint64_t)MIDR_IMPL_MASK;
+	int32_t ret;
 
 	/* construct the current CPU # */
 	cpu |= (cluster << 2);
 
 	/* sanity check target core id */
-	if ((core >= MCE_CORE_ID_MAX) || (cpu == core)) {
+	if ((core >= MCE_CORE_ID_MAX) || (cpu == (uint64_t)core)) {
 		ERROR("%s: unsupported core id (%d)\n", __func__, core);
-		return EINVAL;
-	}
-
-	/*
-	 * The Denver cluster has 2 CPUs only - 0, 1.
-	 */
-	if (impl == DENVER_IMPL && ((core == 2) || (core == 3))) {
-		ERROR("%s: unknown core id (%d)\n", __func__, core);
-		return EINVAL;
+		ret = EINVAL;
+	} else {
+		/*
+		 * The Denver cluster has 2 CPUs only - 0, 1.
+		 */
+		if ((impl == (uint32_t)DENVER_IMPL) &&
+		    ((core == 2U) || (core == 3U))) {
+			ERROR("%s: unknown core id (%d)\n", __func__, core);
+			ret = EINVAL;
+		} else {
+			/* clean the previous response state */
+			ari_clobber_response(ari_base);
+			ret = ari_request_wait(ari_base, 0U, TEGRA_ARI_ONLINE_CORE, core, 0U);
+		}
 	}
 
-	/* clean the previous response state */
-	ari_clobber_response(ari_base);
-
-	return ari_request_wait(ari_base, 0, TEGRA_ARI_ONLINE_CORE, core, 0);
+	return ret;
 }
 
-int ari_cc3_ctrl(uint32_t ari_base, uint32_t freq, uint32_t volt, uint8_t enable)
+int32_t ari_cc3_ctrl(uint32_t ari_base, uint32_t freq, uint32_t volt, uint8_t enable)
 {
-	int val;
+	uint32_t val;
 
 	/* clean the previous response state */
 	ari_clobber_response(ari_base);
@@ -338,12 +373,12 @@
 	 */
 	val = (((freq & MCE_AUTO_CC3_FREQ_MASK) << MCE_AUTO_CC3_FREQ_SHIFT) |\
 		((volt & MCE_AUTO_CC3_VTG_MASK) << MCE_AUTO_CC3_VTG_SHIFT) |\
-		(enable ? MCE_AUTO_CC3_ENABLE_BIT : 0));
+		((enable != 0U) ? MCE_AUTO_CC3_ENABLE_BIT : 0U));
 
-	return ari_request_wait(ari_base, 0, TEGRA_ARI_CC3_CTRL, val, 0);
+	return ari_request_wait(ari_base, 0U, TEGRA_ARI_CC3_CTRL, val, 0U);
 }
 
-int ari_reset_vector_update(uint32_t ari_base)
+int32_t ari_reset_vector_update(uint32_t ari_base)
 {
 	/* clean the previous response state */
 	ari_clobber_response(ari_base);
@@ -352,85 +387,97 @@
 	 * Need to program the CPU reset vector one time during cold boot
 	 * and SC7 exit
 	 */
-	ari_request_wait(ari_base, 0, TEGRA_ARI_COPY_MISCREG_AA64_RST, 0, 0);
+	(void)ari_request_wait(ari_base, 0U, TEGRA_ARI_COPY_MISCREG_AA64_RST, 0U, 0U);
 
 	return 0;
 }
 
-int ari_roc_flush_cache_trbits(uint32_t ari_base)
+int32_t ari_roc_flush_cache_trbits(uint32_t ari_base)
 {
 	/* clean the previous response state */
 	ari_clobber_response(ari_base);
 
-	return ari_request_wait(ari_base, 0, TEGRA_ARI_ROC_FLUSH_CACHE_TRBITS,
-			0, 0);
+	return ari_request_wait(ari_base, 0U, TEGRA_ARI_ROC_FLUSH_CACHE_TRBITS,
+			0U, 0U);
 }
 
-int ari_roc_flush_cache(uint32_t ari_base)
+int32_t ari_roc_flush_cache(uint32_t ari_base)
 {
 	/* clean the previous response state */
 	ari_clobber_response(ari_base);
 
-	return ari_request_wait(ari_base, 0, TEGRA_ARI_ROC_FLUSH_CACHE_ONLY,
-			0, 0);
+	return ari_request_wait(ari_base, 0U, TEGRA_ARI_ROC_FLUSH_CACHE_ONLY,
+			0U, 0U);
 }
 
-int ari_roc_clean_cache(uint32_t ari_base)
+int32_t ari_roc_clean_cache(uint32_t ari_base)
 {
 	/* clean the previous response state */
 	ari_clobber_response(ari_base);
 
-	return ari_request_wait(ari_base, 0, TEGRA_ARI_ROC_CLEAN_CACHE_ONLY,
-			0, 0);
+	return ari_request_wait(ari_base, 0U, TEGRA_ARI_ROC_CLEAN_CACHE_ONLY,
+			0U, 0U);
 }
 
-uint64_t ari_read_write_mca(uint32_t ari_base, mca_cmd_t cmd, uint64_t *data)
+uint64_t ari_read_write_mca(uint32_t ari_base, uint64_t cmd, uint64_t *data)
 {
-	mca_arg_t mca_arg;
-	int ret;
+	uint64_t mca_arg_data, result = 0;
+	uint32_t resp_lo, resp_hi;
+	uint32_t mca_arg_err, mca_arg_finish;
+	int32_t ret;
 
 	/* Set data (write) */
-	mca_arg.data = data ? *data : 0ull;
+	mca_arg_data = (data != NULL) ? *data : 0ULL;
 
 	/* Set command */
-	ari_write_32(ari_base, cmd.input.low, ARI_RESPONSE_DATA_LO);
-	ari_write_32(ari_base, cmd.input.high, ARI_RESPONSE_DATA_HI);
+	ari_write_32(ari_base, (uint32_t)cmd, ARI_RESPONSE_DATA_LO);
+	ari_write_32(ari_base, (uint32_t)(cmd >> 32U), ARI_RESPONSE_DATA_HI);
 
-	ret = ari_request_wait(ari_base, 0, TEGRA_ARI_MCA, mca_arg.arg.low,
-			mca_arg.arg.high);
-	if (!ret) {
-		mca_arg.arg.low = ari_get_response_low(ari_base);
-		mca_arg.arg.high = ari_get_response_high(ari_base);
-		if (!mca_arg.err.finish)
-			return (uint64_t)mca_arg.err.error;
+	ret = ari_request_wait(ari_base, 0U, TEGRA_ARI_MCA,
+			       (uint32_t)mca_arg_data,
+			       (uint32_t)(mca_arg_data >> 32UL));
+	if (ret == 0) {
+		resp_lo = ari_get_response_low(ari_base);
+		resp_hi = ari_get_response_high(ari_base);
 
-		if (data) {
-			mca_arg.arg.low = ari_get_request_low(ari_base);
-			mca_arg.arg.high = ari_get_request_high(ari_base);
-			*data = mca_arg.data;
+		mca_arg_err = resp_lo & MCA_ARG_ERROR_MASK;
+		mca_arg_finish = (resp_hi >> MCA_ARG_FINISH_SHIFT) &
+				 MCA_ARG_FINISH_MASK;
+
+		if (mca_arg_finish == 0U) {
+			result = (uint64_t)mca_arg_err;
+		} else {
+			if (data != NULL) {
+				resp_lo = ari_get_request_low(ari_base);
+				resp_hi = ari_get_request_high(ari_base);
+				*data = ((uint64_t)resp_hi << 32UL) |
+					 (uint64_t)resp_lo;
+			}
 		}
 	}
 
-	return 0;
+	return result;
 }
 
-int ari_update_ccplex_gsc(uint32_t ari_base, uint32_t gsc_idx)
+int32_t ari_update_ccplex_gsc(uint32_t ari_base, uint32_t gsc_idx)
 {
+	int32_t ret = 0;
 	/* sanity check GSC ID */
-	if (gsc_idx > TEGRA_ARI_GSC_VPR_IDX)
-		return EINVAL;
-
-	/* clean the previous response state */
-	ari_clobber_response(ari_base);
+	if (gsc_idx > (uint32_t)TEGRA_ARI_GSC_VPR_IDX) {
+		ret = EINVAL;
+	} else {
+		/* clean the previous response state */
+		ari_clobber_response(ari_base);
 
-	/*
-	 * The MCE code will read the GSC carveout value, corrseponding to
-	 * the ID, from the MC registers and update the internal GSC registers
-	 * of the CCPLEX.
-	 */
-	ari_request_wait(ari_base, 0, TEGRA_ARI_UPDATE_CCPLEX_GSC, gsc_idx, 0);
+		/*
+		 * The MCE code will read the GSC carveout value, corrseponding to
+		 * the ID, from the MC registers and update the internal GSC registers
+		 * of the CCPLEX.
+		 */
+		(void)ari_request_wait(ari_base, 0U, TEGRA_ARI_UPDATE_CCPLEX_GSC, gsc_idx, 0U);
+	}
 
-	return 0;
+	return ret;
 }
 
 void ari_enter_ccplex_state(uint32_t ari_base, uint32_t state_idx)
@@ -441,48 +488,55 @@
 	/*
 	 * The MCE will shutdown or restart the entire system
 	 */
-	(void)ari_request_wait(ari_base, 0, TEGRA_ARI_MISC_CCPLEX, state_idx, 0);
+	(void)ari_request_wait(ari_base, 0U, TEGRA_ARI_MISC_CCPLEX, state_idx, 0U);
 }
 
-int ari_read_write_uncore_perfmon(uint32_t ari_base,
-		uncore_perfmon_req_t req, uint64_t *data)
+int32_t ari_read_write_uncore_perfmon(uint32_t ari_base, uint64_t req,
+		uint64_t *data)
 {
-	int ret;
+	int32_t ret, result;
 	uint32_t val;
+	uint8_t req_cmd, req_status;
+
+	req_cmd = (uint8_t)(req >> UNCORE_PERFMON_CMD_SHIFT);
 
 	/* clean the previous response state */
 	ari_clobber_response(ari_base);
 
 	/* sanity check input parameters */
-	if (req.perfmon_command.cmd == UNCORE_PERFMON_CMD_READ && !data) {
+	if ((req_cmd == UNCORE_PERFMON_CMD_READ) && (data == NULL)) {
 		ERROR("invalid parameters\n");
-		return EINVAL;
-	}
-
-	/*
-	 * For "write" commands get the value that has to be written
-	 * to the uncore perfmon registers
-	 */
-	val = (req.perfmon_command.cmd == UNCORE_PERFMON_CMD_WRITE) ?
-		*data : 0;
-
-	ret = ari_request_wait(ari_base, 0, TEGRA_ARI_PERFMON, val, req.data);
-	if (ret)
-		return ret;
+		result = EINVAL;
+	} else {
+		/*
+		 * For "write" commands get the value that has to be written
+		 * to the uncore perfmon registers
+		 */
+		val = (req_cmd == UNCORE_PERFMON_CMD_WRITE) ?
+			(uint32_t)*data : 0UL;
 
-	/* read the command status value */
-	req.perfmon_status.val = ari_get_response_high(ari_base) &
-				 UNCORE_PERFMON_RESP_STATUS_MASK;
+		ret = ari_request_wait(ari_base, 0U, TEGRA_ARI_PERFMON, val,
+				       (uint32_t)req);
+		if (ret != 0) {
+			result = ret;
+		} else {
+			/* read the command status value */
+			req_status = (uint8_t)ari_get_response_high(ari_base) &
+					 UNCORE_PERFMON_RESP_STATUS_MASK;
 
-	/*
-	 * For "read" commands get the data from the uncore
-	 * perfmon registers
-	 */
-	if ((req.perfmon_status.val == 0) && (req.perfmon_command.cmd ==
-	     UNCORE_PERFMON_CMD_READ))
-		*data = ari_get_response_low(ari_base);
+			/*
+			 * For "read" commands get the data from the uncore
+			 * perfmon registers
+			 */
+			req_status >>= UNCORE_PERFMON_RESP_STATUS_SHIFT;
+			if ((req_status == 0U) && (req_cmd == UNCORE_PERFMON_CMD_READ)) {
+				*data = ari_get_response_low(ari_base);
+			}
+			result = (int32_t)req_status;
+		}
+	}
 
-	return (int)req.perfmon_status.val;
+	return result;
 }
 
 void ari_misc_ccplex(uint32_t ari_base, uint32_t index, uint32_t value)
@@ -494,12 +548,11 @@
 
 	if ((index > TEGRA_ARI_MISC_CCPLEX_EDBGREQ) ||
 		((index == TEGRA_ARI_MISC_CCPLEX_CORESIGHT_CG_CTRL) &&
-		(value > 1))) {
+		(value > 1U))) {
 		ERROR("%s: invalid parameters \n", __func__);
-		return;
+	} else {
+		/* clean the previous response state */
+		ari_clobber_response(ari_base);
+		(void)ari_request_wait(ari_base, 0U, TEGRA_ARI_MISC_CCPLEX, index, value);
 	}
-
-	/* clean the previous response state */
-	ari_clobber_response(ari_base);
-	(void)ari_request_wait(ari_base, 0, TEGRA_ARI_MISC_CCPLEX, index, value);
 }
diff --git a/plat/nvidia/tegra/soc/t186/drivers/mce/mce.c b/plat/nvidia/tegra/soc/t186/drivers/mce/mce.c
index 6363ed7..5435ce6 100644
--- a/plat/nvidia/tegra/soc/t186/drivers/mce/mce.c
+++ b/plat/nvidia/tegra/soc/t186/drivers/mce/mce.c
@@ -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
  */
@@ -67,7 +67,7 @@
 	.misc_ccplex = ari_misc_ccplex
 };
 
-typedef struct mce_config {
+typedef struct {
 	uint32_t ari_base;
 	arch_mce_ops_t *ops;
 } mce_config_t;
@@ -108,9 +108,9 @@
 
 static uint32_t mce_get_curr_cpu_ari_base(void)
 {
-	uint32_t mpidr = read_mpidr();
-	int cpuid =  mpidr & MPIDR_CPU_MASK;
-	int impl = (read_midr() >> MIDR_IMPL_SHIFT) & MIDR_IMPL_MASK;
+	uint64_t mpidr = read_mpidr();
+	uint64_t cpuid = mpidr & (uint64_t)MPIDR_CPU_MASK;
+	uint64_t impl = (read_midr() >> (uint64_t)MIDR_IMPL_SHIFT) & (uint64_t)MIDR_IMPL_MASK;
 
 	/*
 	 * T186 has 2 CPU clusters, one with Denver CPUs and the other with
@@ -119,17 +119,19 @@
 	 * struct, we have to convert the Denver CPU ids to the corresponding
 	 * indices in the mce_ops_table array.
 	 */
-	if (impl == DENVER_IMPL)
-		cpuid |= 0x4;
+	if (impl == DENVER_IMPL) {
+		cpuid |= 0x4U;
+	}
 
 	return mce_cfg_table[cpuid].ari_base;
 }
 
 static arch_mce_ops_t *mce_get_curr_cpu_ops(void)
 {
-	uint32_t mpidr = read_mpidr();
-	int cpuid =  mpidr & MPIDR_CPU_MASK;
-	int impl = (read_midr() >> MIDR_IMPL_SHIFT) & MIDR_IMPL_MASK;
+	uint64_t mpidr = read_mpidr();
+	uint64_t cpuid = mpidr & (uint64_t)MPIDR_CPU_MASK;
+	uint64_t impl = (read_midr() >> (uint64_t)MIDR_IMPL_SHIFT) &
+			(uint64_t)MIDR_IMPL_MASK;
 
 	/*
 	 * T186 has 2 CPU clusters, one with Denver CPUs and the other with
@@ -138,8 +140,9 @@
 	 * struct, we have to convert the Denver CPU ids to the corresponding
 	 * indices in the mce_ops_table array.
 	 */
-	if (impl == DENVER_IMPL)
-		cpuid |= 0x4;
+	if (impl == DENVER_IMPL) {
+		cpuid |= 0x4U;
+	}
 
 	return mce_cfg_table[cpuid].ops;
 }
@@ -147,20 +150,16 @@
 /*******************************************************************************
  * Common handler for all MCE commands
  ******************************************************************************/
-int mce_command_handler(mce_cmd_t cmd, uint64_t arg0, uint64_t arg1,
+int32_t mce_command_handler(uint64_t cmd, uint64_t arg0, uint64_t arg1,
 			uint64_t arg2)
 {
-	arch_mce_ops_t *ops;
+	const arch_mce_ops_t *ops;
+	gp_regs_t *gp_regs = get_gpregs_ctx(cm_get_context(NON_SECURE));
 	uint32_t cpu_ari_base;
 	uint64_t ret64 = 0, arg3, arg4, arg5;
-	int ret = 0;
-	mca_cmd_t mca_cmd;
-	uncore_perfmon_req_t req;
-	cpu_context_t *ctx = cm_get_context(NON_SECURE);
-	gp_regs_t *gp_regs = get_gpregs_ctx(ctx);
+	int32_t ret = 0;
 
-	assert(ctx);
-	assert(gp_regs);
+	assert(gp_regs != NULL);
 
 	/* get a pointer to the CPU's arch_mce_ops_t struct */
 	ops = mce_get_curr_cpu_ops();
@@ -171,8 +170,9 @@
 	switch (cmd) {
 	case MCE_CMD_ENTER_CSTATE:
 		ret = ops->enter_cstate(cpu_ari_base, arg0, arg1);
-		if (ret < 0)
+		if (ret < 0) {
 			ERROR("%s: enter_cstate failed(%d)\n", __func__, ret);
+		}
 
 		break;
 
@@ -181,28 +181,30 @@
 		 * get the parameters required for the update cstate info
 		 * command
 		 */
-		arg3 = read_ctx_reg(gp_regs, CTX_GPREG_X4);
-		arg4 = read_ctx_reg(gp_regs, CTX_GPREG_X5);
-		arg5 = read_ctx_reg(gp_regs, CTX_GPREG_X6);
+		arg3 = read_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X4));
+		arg4 = read_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X5));
+		arg5 = read_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X6));
 
 		ret = ops->update_cstate_info(cpu_ari_base, (uint32_t)arg0,
 				(uint32_t)arg1, (uint32_t)arg2, (uint8_t)arg3,
 				(uint32_t)arg4, (uint8_t)arg5);
-		if (ret < 0)
+		if (ret < 0) {
 			ERROR("%s: update_cstate_info failed(%d)\n",
 				__func__, ret);
+		}
 
-		write_ctx_reg(gp_regs, CTX_GPREG_X4, 0);
-		write_ctx_reg(gp_regs, CTX_GPREG_X5, 0);
-		write_ctx_reg(gp_regs, CTX_GPREG_X6, 0);
+		write_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X4), (0));
+		write_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X5), (0));
+		write_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X6), (0));
 
 		break;
 
 	case MCE_CMD_UPDATE_CROSSOVER_TIME:
 		ret = ops->update_crossover_time(cpu_ari_base, arg0, arg1);
-		if (ret < 0)
+		if (ret < 0) {
 			ERROR("%s: update_crossover_time failed(%d)\n",
 				__func__, ret);
+		}
 
 		break;
 
@@ -210,16 +212,17 @@
 		ret64 = ops->read_cstate_stats(cpu_ari_base, arg0);
 
 		/* update context to return cstate stats value */
-		write_ctx_reg(gp_regs, CTX_GPREG_X1, ret64);
-		write_ctx_reg(gp_regs, CTX_GPREG_X2, ret64);
+		write_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X1), (ret64));
+		write_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X2), (ret64));
 
 		break;
 
 	case MCE_CMD_WRITE_CSTATE_STATS:
 		ret = ops->write_cstate_stats(cpu_ari_base, arg0, arg1);
-		if (ret < 0)
+		if (ret < 0) {
 			ERROR("%s: write_cstate_stats failed(%d)\n",
 				__func__, ret);
+		}
 
 		break;
 
@@ -231,7 +234,8 @@
 		}
 
 		/* update context to return CCx status value */
-		write_ctx_reg(gp_regs, CTX_GPREG_X1, ret);
+		write_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X1),
+			      (uint64_t)(ret));
 
 		break;
 
@@ -243,22 +247,26 @@
 		}
 
 		/* update context to return SC7 status value */
-		write_ctx_reg(gp_regs, CTX_GPREG_X1, ret);
-		write_ctx_reg(gp_regs, CTX_GPREG_X3, ret);
+		write_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X1),
+			      (uint64_t)(ret));
+		write_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X3),
+			      (uint64_t)(ret));
 
 		break;
 
 	case MCE_CMD_ONLINE_CORE:
 		ret = ops->online_core(cpu_ari_base, arg0);
-		if (ret < 0)
+		if (ret < 0) {
 			ERROR("%s: online_core failed(%d)\n", __func__, ret);
+		}
 
 		break;
 
 	case MCE_CMD_CC3_CTRL:
 		ret = ops->cc3_ctrl(cpu_ari_base, arg0, arg1, arg2);
-		if (ret < 0)
+		if (ret < 0) {
 			ERROR("%s: cc3_ctrl failed(%d)\n", __func__, ret);
+		}
 
 		break;
 
@@ -267,8 +275,10 @@
 				arg0);
 
 		/* update context to return if echo'd data matched source */
-		write_ctx_reg(gp_regs, CTX_GPREG_X1, ret64 == arg0);
-		write_ctx_reg(gp_regs, CTX_GPREG_X2, ret64 == arg0);
+		write_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X1),
+			      ((ret64 == arg0) ? 1ULL : 0ULL));
+		write_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X2),
+			      ((ret64 == arg0) ? 1ULL : 0ULL));
 
 		break;
 
@@ -280,8 +290,10 @@
 		 * version = minor(63:32) | major(31:0). Update context
 		 * to return major and minor version number.
 		 */
-		write_ctx_reg(gp_regs, CTX_GPREG_X1, (uint32_t)ret64);
-		write_ctx_reg(gp_regs, CTX_GPREG_X2, (uint32_t)(ret64 >> 32));
+		write_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X1),
+			      (ret64));
+		write_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X2),
+			      (ret64 >> 32ULL));
 
 		break;
 
@@ -290,50 +302,51 @@
 				TEGRA_ARI_MISC_FEATURE_LEAF_0, arg0);
 
 		/* update context to return features value */
-		write_ctx_reg(gp_regs, CTX_GPREG_X1, ret64);
+		write_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X1), (ret64));
 
 		break;
 
 	case MCE_CMD_ROC_FLUSH_CACHE_TRBITS:
 		ret = ops->roc_flush_cache_trbits(cpu_ari_base);
-		if (ret < 0)
+		if (ret < 0) {
 			ERROR("%s: flush cache_trbits failed(%d)\n", __func__,
 				ret);
+		}
 
 		break;
 
 	case MCE_CMD_ROC_FLUSH_CACHE:
 		ret = ops->roc_flush_cache(cpu_ari_base);
-		if (ret < 0)
+		if (ret < 0) {
 			ERROR("%s: flush cache failed(%d)\n", __func__, ret);
+		}
 
 		break;
 
 	case MCE_CMD_ROC_CLEAN_CACHE:
 		ret = ops->roc_clean_cache(cpu_ari_base);
-		if (ret < 0)
+		if (ret < 0) {
 			ERROR("%s: clean cache failed(%d)\n", __func__, ret);
+		}
 
 		break;
 
 	case MCE_CMD_ENUM_READ_MCA:
-		memcpy(&mca_cmd, &arg0, sizeof(arg0));
-		ret64 = ops->read_write_mca(cpu_ari_base, mca_cmd, &arg1);
+		ret64 = ops->read_write_mca(cpu_ari_base, arg0, &arg1);
 
 		/* update context to return MCA data/error */
-		write_ctx_reg(gp_regs, CTX_GPREG_X1, ret64);
-		write_ctx_reg(gp_regs, CTX_GPREG_X2, arg1);
-		write_ctx_reg(gp_regs, CTX_GPREG_X3, ret64);
+		write_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X1), (ret64));
+		write_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X2), (arg1));
+		write_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X3), (ret64));
 
 		break;
 
 	case MCE_CMD_ENUM_WRITE_MCA:
-		memcpy(&mca_cmd, &arg0, sizeof(arg0));
-		ret64 = ops->read_write_mca(cpu_ari_base, mca_cmd, &arg1);
+		ret64 = ops->read_write_mca(cpu_ari_base, arg0, &arg1);
 
 		/* update context to return MCA error */
-		write_ctx_reg(gp_regs, CTX_GPREG_X1, ret64);
-		write_ctx_reg(gp_regs, CTX_GPREG_X3, ret64);
+		write_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X1), (ret64));
+		write_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X3), (ret64));
 
 		break;
 
@@ -357,11 +370,10 @@
 #endif
 
 	case MCE_CMD_UNCORE_PERFMON_REQ:
-		memcpy(&req, &arg0, sizeof(arg0));
-		ret = ops->read_write_uncore_perfmon(cpu_ari_base, req, &arg1);
+		ret = ops->read_write_uncore_perfmon(cpu_ari_base, arg0, &arg1);
 
 		/* update context to return data */
-		write_ctx_reg(gp_regs, CTX_GPREG_X1, arg1);
+		write_ctx_reg((gp_regs), (uint32_t)(CTX_GPREG_X1), (arg1));
 		break;
 
 	case MCE_CMD_MISC_CCPLEX:
@@ -370,8 +382,9 @@
 		break;
 
 	default:
-		ERROR("unknown MCE command (%d)\n", cmd);
-		return EINVAL;
+		ERROR("unknown MCE command (%lu)\n", cmd);
+		ret = EINVAL;
+		break;
 	}
 
 	return ret;
@@ -380,18 +393,18 @@
 /*******************************************************************************
  * Handler to update the reset vector for CPUs
  ******************************************************************************/
-int mce_update_reset_vector(void)
+int32_t mce_update_reset_vector(void)
 {
-	arch_mce_ops_t *ops = mce_get_curr_cpu_ops();
+	const arch_mce_ops_t *ops = mce_get_curr_cpu_ops();
 
 	ops->update_reset_vector(mce_get_curr_cpu_ari_base());
 
 	return 0;
 }
 
-static int mce_update_ccplex_gsc(tegra_ari_gsc_index_t gsc_idx)
+static int32_t mce_update_ccplex_gsc(tegra_ari_gsc_index_t gsc_idx)
 {
-	arch_mce_ops_t *ops = mce_get_curr_cpu_ops();
+	const arch_mce_ops_t *ops = mce_get_curr_cpu_ops();
 
 	ops->update_ccplex_gsc(mce_get_curr_cpu_ari_base(), gsc_idx);
 
@@ -401,7 +414,7 @@
 /*******************************************************************************
  * Handler to update carveout values for Video Memory Carveout region
  ******************************************************************************/
-int mce_update_gsc_videomem(void)
+int32_t mce_update_gsc_videomem(void)
 {
 	return mce_update_ccplex_gsc(TEGRA_ARI_GSC_VPR_IDX);
 }
@@ -409,7 +422,7 @@
 /*******************************************************************************
  * Handler to update carveout values for TZDRAM aperture
  ******************************************************************************/
-int mce_update_gsc_tzdram(void)
+int32_t mce_update_gsc_tzdram(void)
 {
 	return mce_update_ccplex_gsc(TEGRA_ARI_GSC_TZ_DRAM_IDX);
 }
@@ -417,7 +430,7 @@
 /*******************************************************************************
  * Handler to update carveout values for TZ SysRAM aperture
  ******************************************************************************/
-int mce_update_gsc_tzram(void)
+int32_t mce_update_gsc_tzram(void)
 {
 	return mce_update_ccplex_gsc(TEGRA_ARI_GSC_TZRAM);
 }
@@ -427,28 +440,29 @@
  ******************************************************************************/
 __dead2 void mce_enter_ccplex_state(uint32_t state_idx)
 {
-	arch_mce_ops_t *ops = mce_get_curr_cpu_ops();
+	const arch_mce_ops_t *ops = mce_get_curr_cpu_ops();
 
 	/* sanity check state value */
-	if (state_idx != TEGRA_ARI_MISC_CCPLEX_SHUTDOWN_POWER_OFF &&
-	    state_idx != TEGRA_ARI_MISC_CCPLEX_SHUTDOWN_REBOOT)
+	if ((state_idx != TEGRA_ARI_MISC_CCPLEX_SHUTDOWN_POWER_OFF) &&
+	    (state_idx != TEGRA_ARI_MISC_CCPLEX_SHUTDOWN_REBOOT)) {
 		panic();
+	}
 
 	ops->enter_ccplex_state(mce_get_curr_cpu_ari_base(), state_idx);
 
 	/* wait till the CCPLEX powers down */
-	for (;;)
+	for (;;) {
 		;
+	}
 
-	panic();
 }
 
 /*******************************************************************************
  * Handler to issue the UPDATE_CSTATE_INFO request
  ******************************************************************************/
-void mce_update_cstate_info(mce_cstate_info_t *cstate)
+void mce_update_cstate_info(const mce_cstate_info_t *cstate)
 {
-	arch_mce_ops_t *ops = mce_get_curr_cpu_ops();
+	const arch_mce_ops_t *ops = mce_get_curr_cpu_ops();
 
 	/* issue the UPDATE_CSTATE_INFO request */
 	ops->update_cstate_info(mce_get_curr_cpu_ari_base(), cstate->cluster,
@@ -462,7 +476,7 @@
  ******************************************************************************/
 void mce_verify_firmware_version(void)
 {
-	arch_mce_ops_t *ops;
+	const arch_mce_ops_t *ops;
 	uint32_t cpu_ari_base;
 	uint64_t version;
 	uint32_t major, minor;
@@ -470,37 +484,40 @@
 	/*
 	 * MCE firmware is not supported on simulation platforms.
 	 */
-	if (tegra_platform_is_emulation())
-		return;
+	if (tegra_platform_is_emulation()) {
 
-	/* get a pointer to the CPU's arch_mce_ops_t struct */
-	ops = mce_get_curr_cpu_ops();
+		INFO("MCE firmware is not supported\n");
 
-	/* get the CPU's ARI base address */
-	cpu_ari_base = mce_get_curr_cpu_ari_base();
+	} else {
+		/* get a pointer to the CPU's arch_mce_ops_t struct */
+		ops = mce_get_curr_cpu_ops();
 
-	/*
-	 * Read the MCE firmware version and extract the major and minor
-	 * version fields
-	 */
-	version = ops->call_enum_misc(cpu_ari_base, TEGRA_ARI_MISC_VERSION, 0);
-	major = (uint32_t)version;
-	minor = (uint32_t)(version >> 32);
+		/* get the CPU's ARI base address */
+		cpu_ari_base = mce_get_curr_cpu_ari_base();
 
-	INFO("MCE Version - HW=%d:%d, SW=%d:%d\n", major, minor,
-		TEGRA_ARI_VERSION_MAJOR, TEGRA_ARI_VERSION_MINOR);
+		/*
+		 * Read the MCE firmware version and extract the major and minor
+		 * version fields
+		 */
+		version = ops->call_enum_misc(cpu_ari_base, TEGRA_ARI_MISC_VERSION, 0);
+		major = (uint32_t)version;
+		minor = (uint32_t)(version >> 32);
 
-	/*
-	 * Verify that the MCE firmware version and the interface header
-	 * match
-	 */
-	if (major != TEGRA_ARI_VERSION_MAJOR) {
-		ERROR("ARI major version mismatch\n");
-		panic();
-	}
+		INFO("MCE Version - HW=%d:%d, SW=%d:%d\n", major, minor,
+			TEGRA_ARI_VERSION_MAJOR, TEGRA_ARI_VERSION_MINOR);
 
-	if (minor < TEGRA_ARI_VERSION_MINOR) {
-		ERROR("ARI minor version mismatch\n");
-		panic();
+		/*
+		 * Verify that the MCE firmware version and the interface header
+		 * match
+		 */
+		if (major != TEGRA_ARI_VERSION_MAJOR) {
+			ERROR("ARI major version mismatch\n");
+			panic();
+		}
+
+		if (minor < TEGRA_ARI_VERSION_MINOR) {
+			ERROR("ARI minor version mismatch\n");
+			panic();
+		}
 	}
 }
diff --git a/plat/nvidia/tegra/soc/t186/drivers/mce/nvg.c b/plat/nvidia/tegra/soc/t186/drivers/mce/nvg.c
index 0be1af1..9c115bd 100644
--- a/plat/nvidia/tegra/soc/t186/drivers/mce/nvg.c
+++ b/plat/nvidia/tegra/soc/t186/drivers/mce/nvg.c
@@ -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
  */
@@ -13,57 +13,63 @@
 #include <sys/errno.h>
 #include <t18x_ari.h>
 
-extern void nvg_set_request_data(uint64_t req, uint64_t data);
-extern void nvg_set_request(uint64_t req);
-extern uint64_t nvg_get_result(void);
-
-int nvg_enter_cstate(uint32_t ari_base, uint32_t state, uint32_t wake_time)
+int32_t nvg_enter_cstate(uint32_t ari_base, uint32_t state, uint32_t wake_time)
 {
+	int32_t ret = 0;
+
+	(void)ari_base;
+
 	/* check for allowed power state */
-	if (state != TEGRA_ARI_CORE_C0 && state != TEGRA_ARI_CORE_C1 &&
-	    state != TEGRA_ARI_CORE_C6 && state != TEGRA_ARI_CORE_C7) {
+	if ((state != TEGRA_ARI_CORE_C0) && (state != TEGRA_ARI_CORE_C1) &&
+	    (state != TEGRA_ARI_CORE_C6) && (state != TEGRA_ARI_CORE_C7)) {
 		ERROR("%s: unknown cstate (%d)\n", __func__, state);
-		return EINVAL;
-	}
-
-	/* time (TSC ticks) until the core is expected to get a wake event */
-	nvg_set_request_data(TEGRA_NVG_CHANNEL_WAKE_TIME, wake_time);
+		ret = EINVAL;
+	} else {
+		/* time (TSC ticks) until the core is expected to get a wake event */
+		nvg_set_request_data(TEGRA_NVG_CHANNEL_WAKE_TIME, wake_time);
 
-	/* set the core cstate */
-	write_actlr_el1(state);
+		/* set the core cstate */
+		write_actlr_el1(state);
+	}
 
-	return 0;
+	return ret;
 }
 
 /*
  * This request allows updating of CLUSTER_CSTATE, CCPLEX_CSTATE and
  * SYSTEM_CSTATE values.
  */
-int nvg_update_cstate_info(uint32_t ari_base, uint32_t cluster, uint32_t ccplex,
+int32_t nvg_update_cstate_info(uint32_t ari_base, uint32_t cluster, uint32_t ccplex,
 		uint32_t system, uint8_t sys_state_force, uint32_t wake_mask,
 		uint8_t update_wake_mask)
 {
-	uint64_t val = 0;
+	uint64_t val = 0ULL;
+
+	(void)ari_base;
 
 	/* update CLUSTER_CSTATE? */
-	if (cluster)
-		val |= (cluster & CLUSTER_CSTATE_MASK) |
+	if (cluster != 0U) {
+		val |= ((uint64_t)cluster & CLUSTER_CSTATE_MASK) |
 			CLUSTER_CSTATE_UPDATE_BIT;
+	}
 
 	/* update CCPLEX_CSTATE? */
-	if (ccplex)
-		val |= (ccplex & CCPLEX_CSTATE_MASK) << CCPLEX_CSTATE_SHIFT |
+	if (ccplex != 0U) {
+		val |= (((uint64_t)ccplex & CCPLEX_CSTATE_MASK) << CCPLEX_CSTATE_SHIFT) |
 			CCPLEX_CSTATE_UPDATE_BIT;
+	}
 
 	/* update SYSTEM_CSTATE? */
-	if (system)
-		val |= ((system & SYSTEM_CSTATE_MASK) << SYSTEM_CSTATE_SHIFT) |
-		       ((sys_state_force << SYSTEM_CSTATE_FORCE_UPDATE_SHIFT) |
+	if (system != 0U) {
+		val |= (((uint64_t)system & SYSTEM_CSTATE_MASK) << SYSTEM_CSTATE_SHIFT) |
+		       (((uint64_t)sys_state_force << SYSTEM_CSTATE_FORCE_UPDATE_SHIFT) |
 			SYSTEM_CSTATE_UPDATE_BIT);
+	}
 
 	/* update wake mask value? */
-	if (update_wake_mask)
+	if (update_wake_mask != 0U) {
 		val |= CSTATE_WAKE_MASK_UPDATE_BIT;
+	}
 
 	/* set the wake mask */
 	val &= CSTATE_WAKE_MASK_CLEAR;
@@ -75,46 +81,60 @@
 	return 0;
 }
 
-int nvg_update_crossover_time(uint32_t ari_base, uint32_t type, uint32_t time)
+int32_t nvg_update_crossover_time(uint32_t ari_base, uint32_t type, uint32_t time)
 {
-	/* sanity check crossover type */
-	if (type > TEGRA_ARI_CROSSOVER_CCP3_SC1)
-		return EINVAL;
+	int32_t ret = 0;
 
-	/*
-	 * The crossover threshold limit types start from
-	 * TEGRA_CROSSOVER_TYPE_C1_C6 to TEGRA_CROSSOVER_TYPE_CCP3_SC7. The
-	 * command indices for updating the threshold can be generated
-	 * by adding the type to the NVG_SET_THRESHOLD_CROSSOVER_C1_C6
-	 * command index.
-	 */
-	nvg_set_request_data(TEGRA_NVG_CHANNEL_CROSSOVER_C1_C6 + type,
-		(uint64_t)time);
+	(void)ari_base;
 
-	return 0;
+	/* sanity check crossover type */
+	if (type > TEGRA_ARI_CROSSOVER_CCP3_SC1) {
+		ret = EINVAL;
+	} else {
+		/*
+		 * The crossover threshold limit types start from
+		 * TEGRA_CROSSOVER_TYPE_C1_C6 to TEGRA_CROSSOVER_TYPE_CCP3_SC7.
+		 * The command indices for updating the threshold be generated
+		 * by adding the type to the NVG_SET_THRESHOLD_CROSSOVER_C1_C6
+		 * command index.
+		 */
+		nvg_set_request_data((TEGRA_NVG_CHANNEL_CROSSOVER_C1_C6 +
+			(uint64_t)type), (uint64_t)time);
+	}
+
+	return ret;
 }
 
 uint64_t nvg_read_cstate_stats(uint32_t ari_base, uint32_t state)
 {
-	/* sanity check state */
-	if (state == 0)
-		return EINVAL;
+	uint64_t ret;
 
-	/*
-	 * The cstate types start from NVG_READ_CSTATE_STATS_SC7_ENTRIES
-	 * to NVG_GET_LAST_CSTATE_ENTRY_A57_3. The command indices for
-	 * reading the threshold can be generated by adding the type to
-	 * the NVG_CLEAR_CSTATE_STATS command index.
-	 */
-	nvg_set_request(TEGRA_NVG_CHANNEL_CSTATE_STATS_CLEAR + state);
+	(void)ari_base;
 
-	return (int64_t)nvg_get_result();
+	/* sanity check state */
+	if (state == 0U) {
+		ret = EINVAL;
+	} else {
+		/*
+		 * The cstate types start from NVG_READ_CSTATE_STATS_SC7_ENTRIES
+		 * to NVG_GET_LAST_CSTATE_ENTRY_A57_3. The command indices for
+		 * reading the threshold can be generated by adding the type to
+		 * the NVG_CLEAR_CSTATE_STATS command index.
+		 */
+		nvg_set_request((TEGRA_NVG_CHANNEL_CSTATE_STATS_CLEAR +
+				(uint64_t)state));
+		ret = nvg_get_result();
+	}
+
+	return ret;
 }
 
-int nvg_write_cstate_stats(uint32_t ari_base, uint32_t state, uint32_t stats)
+int32_t nvg_write_cstate_stats(uint32_t ari_base, uint32_t state, uint32_t stats)
 {
 	uint64_t val;
 
+	(void)ari_base;
+
 	/*
 	 * The only difference between a CSTATE_STATS_WRITE and
 	 * CSTATE_STATS_READ is the usage of the 63:32 in the request.
@@ -129,71 +149,88 @@
 	 * reading the threshold can be generated by adding the type to
 	 * the NVG_CLEAR_CSTATE_STATS command index.
 	 */
-	nvg_set_request_data(TEGRA_NVG_CHANNEL_CSTATE_STATS_CLEAR + state, val);
+	nvg_set_request_data((TEGRA_NVG_CHANNEL_CSTATE_STATS_CLEAR +
+			     (uint64_t)state), val);
 
 	return 0;
 }
 
-int nvg_is_ccx_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time)
+int32_t nvg_is_ccx_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time)
 {
+	(void)ari_base;
+	(void)state;
+	(void)wake_time;
+
 	/* This does not apply to the Denver cluster */
 	return 0;
 }
 
-int nvg_is_sc7_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time)
+int32_t nvg_is_sc7_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time)
 {
 	uint64_t val;
+	int32_t ret;
+
+	(void)ari_base;
 
 	/* check for allowed power state */
-	if (state != TEGRA_ARI_CORE_C0 && state != TEGRA_ARI_CORE_C1 &&
-	    state != TEGRA_ARI_CORE_C6 && state != TEGRA_ARI_CORE_C7) {
+	if ((state != TEGRA_ARI_CORE_C0) && (state != TEGRA_ARI_CORE_C1) &&
+	    (state != TEGRA_ARI_CORE_C6) && (state != TEGRA_ARI_CORE_C7)) {
 		ERROR("%s: unknown cstate (%d)\n", __func__, state);
-		return EINVAL;
-	}
+		ret = EINVAL;
+	} else {
+		/*
+		 * Request format -
+		 * 63:32 = wake time
+		 * 31:0 = C-state for this core
+		 */
+		val = ((uint64_t)wake_time << MCE_SC7_WAKE_TIME_SHIFT) |
+				((uint64_t)state & MCE_SC7_ALLOWED_MASK);
 
-	/*
-	 * Request format -
-	 * 63:32 = wake time
-	 * 31:0 = C-state for this core
-	 */
-	val = ((uint64_t)wake_time << MCE_SC7_WAKE_TIME_SHIFT) |
-			(state & MCE_SC7_ALLOWED_MASK);
+		/* issue command to check if SC7 is allowed */
+		nvg_set_request_data(TEGRA_NVG_CHANNEL_IS_SC7_ALLOWED, val);
 
-	/* issue command to check if SC7 is allowed */
-	nvg_set_request_data(TEGRA_NVG_CHANNEL_IS_SC7_ALLOWED, val);
+		/* 1 = SC7 allowed, 0 = SC7 not allowed */
+		ret = (nvg_get_result() != 0ULL) ? 1 : 0;
+	}
 
-	/* 1 = SC7 allowed, 0 = SC7 not allowed */
-	return !!nvg_get_result();
+	return ret;
 }
 
-int nvg_online_core(uint32_t ari_base, uint32_t core)
+int32_t nvg_online_core(uint32_t ari_base, uint32_t core)
 {
-	int cpu = read_mpidr() & MPIDR_CPU_MASK;
-	int impl = (read_midr() >> MIDR_IMPL_SHIFT) & MIDR_IMPL_MASK;
+	uint64_t cpu = read_mpidr() & (uint64_t)MPIDR_CPU_MASK;
+	uint64_t impl = (read_midr() >> (uint64_t)MIDR_IMPL_SHIFT) &
+			(uint64_t)MIDR_IMPL_MASK;
+	int32_t ret = 0;
+
+	(void)ari_base;
 
 	/* sanity check code id */
-	if ((core >= MCE_CORE_ID_MAX) || (cpu == core)) {
+	if ((core >= (uint32_t)MCE_CORE_ID_MAX) || (cpu == core)) {
 		ERROR("%s: unsupported core id (%d)\n", __func__, core);
-		return EINVAL;
+		ret = EINVAL;
+	} else {
+		/*
+		 * The Denver cluster has 2 CPUs only - 0, 1.
+		 */
+		if ((impl == DENVER_IMPL) && ((core == 2U) || (core == 3U))) {
+			ERROR("%s: unknown core id (%d)\n", __func__, core);
+			ret = EINVAL;
+		} else {
+			/* get a core online */
+			nvg_set_request_data(TEGRA_NVG_CHANNEL_ONLINE_CORE,
+				((uint64_t)core & MCE_CORE_ID_MASK));
+		}
 	}
 
-	/*
-	 * The Denver cluster has 2 CPUs only - 0, 1.
-	 */
-	if (impl == DENVER_IMPL && ((core == 2) || (core == 3))) {
-		ERROR("%s: unknown core id (%d)\n", __func__, core);
-		return EINVAL;
-	}
-
-	/* get a core online */
-	nvg_set_request_data(TEGRA_NVG_CHANNEL_ONLINE_CORE, core & MCE_CORE_ID_MASK);
-
-	return 0;
+	return ret;
 }
 
-int nvg_cc3_ctrl(uint32_t ari_base, uint32_t freq, uint32_t volt, uint8_t enable)
+int32_t nvg_cc3_ctrl(uint32_t ari_base, uint32_t freq, uint32_t volt, uint8_t enable)
 {
-	int val;
+	uint32_t val;
+
+	(void)ari_base;
 
 	/*
 	 * If the enable bit is cleared, Auto-CC3 will be disabled by setting
@@ -207,9 +244,9 @@
 	 */
 	val = (((freq & MCE_AUTO_CC3_FREQ_MASK) << MCE_AUTO_CC3_FREQ_SHIFT) |\
 		((volt & MCE_AUTO_CC3_VTG_MASK) << MCE_AUTO_CC3_VTG_SHIFT) |\
-		(enable ? MCE_AUTO_CC3_ENABLE_BIT : 0));
+		((enable != 0U) ? MCE_AUTO_CC3_ENABLE_BIT : 0U));
 
-	nvg_set_request_data(TEGRA_NVG_CHANNEL_CC3_CTRL, val);
+	nvg_set_request_data(TEGRA_NVG_CHANNEL_CC3_CTRL, (uint64_t)val);
 
 	return 0;
 }
diff --git a/plat/nvidia/tegra/soc/t186/plat_psci_handlers.c b/plat/nvidia/tegra/soc/t186/plat_psci_handlers.c
index 44b99dc..095614e 100644
--- a/plat/nvidia/tegra/soc/t186/plat_psci_handlers.c
+++ b/plat/nvidia/tegra/soc/t186/plat_psci_handlers.c
@@ -256,8 +256,8 @@
 
 int tegra_soc_pwr_domain_on(u_register_t mpidr)
 {
-	int target_cpu = mpidr & MPIDR_CPU_MASK;
-	int target_cluster = (mpidr & MPIDR_CLUSTER_MASK) >>
+	uint32_t target_cpu = mpidr & MPIDR_CPU_MASK;
+	uint32_t target_cluster = (mpidr & MPIDR_CLUSTER_MASK) >>
 			MPIDR_AFFINITY_BITS;
 
 	if (target_cluster > MPIDR_AFFLVL1) {
diff --git a/plat/nvidia/tegra/soc/t186/plat_setup.c b/plat/nvidia/tegra/soc/t186/plat_setup.c
index 151b757..ba24579 100644
--- a/plat/nvidia/tegra/soc/t186/plat_setup.c
+++ b/plat/nvidia/tegra/soc/t186/plat_setup.c
@@ -22,7 +22,7 @@
 #include <tegra_private.h>
 #include <xlat_tables.h>
 
-DEFINE_RENAME_SYSREG_RW_FUNCS(l2ctlr_el1, L2CTLR_EL1)
+DEFINE_RENAME_SYSREG_RW_FUNCS(l2ctlr_el1, CORTEX_A57_L2CTLR_EL1)
 extern uint64_t tegra_enable_l2_ecc_parity_prot;
 
 /*******************************************************************************
@@ -172,7 +172,7 @@
 		if (val >= TEGRA186_VER_A02P) {
 
 			val = read_l2ctlr_el1();
-			val |= L2_ECC_PARITY_PROTECTION_BIT;
+			val |= CORTEX_A57_L2_ECC_PARITY_PROTECTION_BIT;
 			write_l2ctlr_el1(val);
 
 			/*
diff --git a/plat/nvidia/tegra/soc/t210/plat_psci_handlers.c b/plat/nvidia/tegra/soc/t210/plat_psci_handlers.c
index bcaade6..3dff653 100644
--- a/plat/nvidia/tegra/soc/t210/plat_psci_handlers.c
+++ b/plat/nvidia/tegra/soc/t210/plat_psci_handlers.c
@@ -60,7 +60,7 @@
 		/*
 		 * System powerdown request only for afflvl 2
 		 */
-		for (int i = MPIDR_AFFLVL0; i < PLAT_MAX_PWR_LVL; i++)
+		for (uint32_t i = MPIDR_AFFLVL0; i < PLAT_MAX_PWR_LVL; i++)
 			req_state->pwr_domain_state[i] = PLAT_MAX_OFF_STATE;
 
 		req_state->pwr_domain_state[PLAT_MAX_PWR_LVL] =
diff --git a/plat/rockchip/common/aarch64/plat_helpers.S b/plat/rockchip/common/aarch64/plat_helpers.S
index 8a7be74..1c8aefc 100644
--- a/plat/rockchip/common/aarch64/plat_helpers.S
+++ b/plat/rockchip/common/aarch64/plat_helpers.S
@@ -43,9 +43,9 @@
 	 * Set the L2 Data RAM latency for Cortex-A72.
 	 * Set the L2 Tag RAM latency to for Cortex-A72.
 	 */
-	mov x0, #((5 << L2CTLR_DATA_RAM_LATENCY_SHIFT) |	\
+	mov x0, #((5 << CORTEX_A72_L2CTLR_DATA_RAM_LATENCY_SHIFT) |	\
 			 (0x1 << 5))
-	msr	L2CTLR_EL1, x0
+	msr	CORTEX_A72_L2CTLR_EL1, x0
 	isb
 handler_end:
 	ret
diff --git a/services/spd/tlkd/tlkd_main.c b/services/spd/tlkd/tlkd_main.c
index 2748868..948be5d 100644
--- a/services/spd/tlkd/tlkd_main.c
+++ b/services/spd/tlkd/tlkd_main.c
@@ -37,7 +37,7 @@
 /*******************************************************************************
  * CPU number on which TLK booted up
  ******************************************************************************/
-static int boot_cpu;
+static uint32_t boot_cpu;
 
 /* TLK UID: RFC-4122 compliant UUID (version-5, sha-1) */
 DEFINE_SVC_UUID(tlk_uuid,