diff --git a/portable/ARMv8M/non_secure/port.c b/portable/ARMv8M/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/ARMv8M/non_secure/port.c
+++ b/portable/ARMv8M/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/GCC/ARM_CM23/non_secure/port.c b/portable/GCC/ARM_CM23/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/GCC/ARM_CM23/non_secure/port.c
+++ b/portable/GCC/ARM_CM23/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/GCC/ARM_CM23_NTZ/non_secure/port.c b/portable/GCC/ARM_CM23_NTZ/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/GCC/ARM_CM23_NTZ/non_secure/port.c
+++ b/portable/GCC/ARM_CM23_NTZ/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/GCC/ARM_CM33/non_secure/port.c b/portable/GCC/ARM_CM33/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/GCC/ARM_CM33/non_secure/port.c
+++ b/portable/GCC/ARM_CM33/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/GCC/ARM_CM33_NTZ/non_secure/port.c b/portable/GCC/ARM_CM33_NTZ/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/GCC/ARM_CM33_NTZ/non_secure/port.c
+++ b/portable/GCC/ARM_CM33_NTZ/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/GCC/ARM_CM35P/non_secure/port.c b/portable/GCC/ARM_CM35P/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/GCC/ARM_CM35P/non_secure/port.c
+++ b/portable/GCC/ARM_CM35P/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/GCC/ARM_CM35P_NTZ/non_secure/port.c b/portable/GCC/ARM_CM35P_NTZ/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/GCC/ARM_CM35P_NTZ/non_secure/port.c
+++ b/portable/GCC/ARM_CM35P_NTZ/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/GCC/ARM_CM4_MPU/portmacro.h b/portable/GCC/ARM_CM4_MPU/portmacro.h
index 45eaaa7b88..9a8891b309 100644
--- a/portable/GCC/ARM_CM4_MPU/portmacro.h
+++ b/portable/GCC/ARM_CM4_MPU/portmacro.h
@@ -74,6 +74,11 @@ typedef unsigned long    UBaseType_t;
     #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
 #endif
 
+/* Errata 837070 workaround must be enabled on Cortex-M7 r0p0
+ * and r0p1 cores. */
+#ifndef configENABLE_ERRATA_837070_WORKAROUND
+    #define configENABLE_ERRATA_837070_WORKAROUND 0
+#endif
 /*-----------------------------------------------------------*/
 
 /* MPU specific constants. */
diff --git a/portable/GCC/ARM_CM55/non_secure/port.c b/portable/GCC/ARM_CM55/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/GCC/ARM_CM55/non_secure/port.c
+++ b/portable/GCC/ARM_CM55/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/GCC/ARM_CM55_NTZ/non_secure/port.c b/portable/GCC/ARM_CM55_NTZ/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/GCC/ARM_CM55_NTZ/non_secure/port.c
+++ b/portable/GCC/ARM_CM55_NTZ/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/GCC/ARM_CM85/non_secure/port.c b/portable/GCC/ARM_CM85/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/GCC/ARM_CM85/non_secure/port.c
+++ b/portable/GCC/ARM_CM85/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/GCC/ARM_CM85_NTZ/non_secure/port.c b/portable/GCC/ARM_CM85_NTZ/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/GCC/ARM_CM85_NTZ/non_secure/port.c
+++ b/portable/GCC/ARM_CM85_NTZ/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/IAR/ARM_CM23/non_secure/port.c b/portable/IAR/ARM_CM23/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/IAR/ARM_CM23/non_secure/port.c
+++ b/portable/IAR/ARM_CM23/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/IAR/ARM_CM23_NTZ/non_secure/port.c b/portable/IAR/ARM_CM23_NTZ/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/IAR/ARM_CM23_NTZ/non_secure/port.c
+++ b/portable/IAR/ARM_CM23_NTZ/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/IAR/ARM_CM3/port.c b/portable/IAR/ARM_CM3/port.c
index 1e3a3ded0d..d2298f4c18 100755
--- a/portable/IAR/ARM_CM3/port.c
+++ b/portable/IAR/ARM_CM3/port.c
@@ -243,7 +243,7 @@ BaseType_t xPortStartScheduler( void )
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/IAR/ARM_CM33/non_secure/port.c b/portable/IAR/ARM_CM33/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/IAR/ARM_CM33/non_secure/port.c
+++ b/portable/IAR/ARM_CM33/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/IAR/ARM_CM33_NTZ/non_secure/port.c b/portable/IAR/ARM_CM33_NTZ/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/IAR/ARM_CM33_NTZ/non_secure/port.c
+++ b/portable/IAR/ARM_CM33_NTZ/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/IAR/ARM_CM35P/non_secure/port.c b/portable/IAR/ARM_CM35P/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/IAR/ARM_CM35P/non_secure/port.c
+++ b/portable/IAR/ARM_CM35P/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/IAR/ARM_CM35P_NTZ/non_secure/port.c b/portable/IAR/ARM_CM35P_NTZ/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/IAR/ARM_CM35P_NTZ/non_secure/port.c
+++ b/portable/IAR/ARM_CM35P_NTZ/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/IAR/ARM_CM4F/port.c b/portable/IAR/ARM_CM4F/port.c
index 52f5ac2870..8234c7dd88 100755
--- a/portable/IAR/ARM_CM4F/port.c
+++ b/portable/IAR/ARM_CM4F/port.c
@@ -281,7 +281,7 @@ BaseType_t xPortStartScheduler( void )
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/IAR/ARM_CM4F_MPU/port.c b/portable/IAR/ARM_CM4F_MPU/port.c
index 27f6f0d6c9..d24297e28c 100755
--- a/portable/IAR/ARM_CM4F_MPU/port.c
+++ b/portable/IAR/ARM_CM4F_MPU/port.c
@@ -779,7 +779,7 @@ BaseType_t xPortStartScheduler( void )
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/IAR/ARM_CM4F_MPU/portasm.s b/portable/IAR/ARM_CM4F_MPU/portasm.s
index a0cf8baa2f..5d7b410610 100644
--- a/portable/IAR/ARM_CM4F_MPU/portasm.s
+++ b/portable/IAR/ARM_CM4F_MPU/portasm.s
@@ -57,6 +57,12 @@ files (__ICCARM__ is defined by the IAR C compiler but not by the IAR assembler.
     #define configUSE_MPU_WRAPPERS_V1 0
 #endif
 
+/* Errata 837070 workaround must be enabled on Cortex-M7 r0p0
+ * and r0p1 cores. */
+#ifndef configENABLE_ERRATA_837070_WORKAROUND
+    #define configENABLE_ERRATA_837070_WORKAROUND 0
+#endif
+
 /* These must be in sync with portmacro.h. */
 #define portSVC_SYSTEM_CALL_ENTER   3
 #define portSVC_SYSTEM_CALL_ENTER_1 4
diff --git a/portable/IAR/ARM_CM4F_MPU/portmacro.h b/portable/IAR/ARM_CM4F_MPU/portmacro.h
index bf8cad0bb7..4be102d6fa 100644
--- a/portable/IAR/ARM_CM4F_MPU/portmacro.h
+++ b/portable/IAR/ARM_CM4F_MPU/portmacro.h
@@ -76,6 +76,11 @@ typedef unsigned long    UBaseType_t;
     #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
 #endif
 
+/* Errata 837070 workaround must be enabled on Cortex-M7 r0p0
+ * and r0p1 cores. */
+#ifndef configENABLE_ERRATA_837070_WORKAROUND
+    #define configENABLE_ERRATA_837070_WORKAROUND 0
+#endif
 /*-----------------------------------------------------------*/
 
 /* MPU specific constants. */
diff --git a/portable/IAR/ARM_CM55/non_secure/port.c b/portable/IAR/ARM_CM55/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/IAR/ARM_CM55/non_secure/port.c
+++ b/portable/IAR/ARM_CM55/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/IAR/ARM_CM55_NTZ/non_secure/port.c b/portable/IAR/ARM_CM55_NTZ/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/IAR/ARM_CM55_NTZ/non_secure/port.c
+++ b/portable/IAR/ARM_CM55_NTZ/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/IAR/ARM_CM7/r0p1/port.c b/portable/IAR/ARM_CM7/r0p1/port.c
index c1a1cc5aa5..fa26a94048 100755
--- a/portable/IAR/ARM_CM7/r0p1/port.c
+++ b/portable/IAR/ARM_CM7/r0p1/port.c
@@ -269,7 +269,7 @@ BaseType_t xPortStartScheduler( void )
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/IAR/ARM_CM85/non_secure/port.c b/portable/IAR/ARM_CM85/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/IAR/ARM_CM85/non_secure/port.c
+++ b/portable/IAR/ARM_CM85/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/IAR/ARM_CM85_NTZ/non_secure/port.c b/portable/IAR/ARM_CM85_NTZ/non_secure/port.c
index e027b21e1b..80410e82ee 100644
--- a/portable/IAR/ARM_CM85_NTZ/non_secure/port.c
+++ b/portable/IAR/ARM_CM85_NTZ/non_secure/port.c
@@ -1655,7 +1655,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
 
         /* Check that the bits not implemented in hardware are zero in
          * configMAX_SYSCALL_INTERRUPT_PRIORITY. */
-        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( ~ucMaxPriorityValue ) ) == 0U );
+        configASSERT( ( configMAX_SYSCALL_INTERRUPT_PRIORITY & ( uint8_t ) ( ~( uint32_t ) ucMaxPriorityValue ) ) == 0U );
 
         /* Calculate the maximum acceptable priority group value for the number
          * of bits read back. */
diff --git a/portable/RVDS/ARM_CM4_MPU/portmacro.h b/portable/RVDS/ARM_CM4_MPU/portmacro.h
index 0afe11b82c..20941571a2 100644
--- a/portable/RVDS/ARM_CM4_MPU/portmacro.h
+++ b/portable/RVDS/ARM_CM4_MPU/portmacro.h
@@ -73,6 +73,11 @@ typedef unsigned long    UBaseType_t;
     #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
 #endif
 
+/* Errata 837070 workaround must be enabled on Cortex-M7 r0p0
+ * and r0p1 cores. */
+#ifndef configENABLE_ERRATA_837070_WORKAROUND
+    #define configENABLE_ERRATA_837070_WORKAROUND 0
+#endif
 /*-----------------------------------------------------------*/
 
 /* MPU specific constants. */
diff --git a/timers.c b/timers.c
index 0028c33485..f2a210c511 100644
--- a/timers.c
+++ b/timers.c
@@ -67,9 +67,9 @@
     #endif
 
 /* Bit definitions used in the ucStatus member of a timer structure. */
-    #define tmrSTATUS_IS_ACTIVE                  ( ( uint8_t ) 0x01 )
-    #define tmrSTATUS_IS_STATICALLY_ALLOCATED    ( ( uint8_t ) 0x02 )
-    #define tmrSTATUS_IS_AUTORELOAD              ( ( uint8_t ) 0x04 )
+    #define tmrSTATUS_IS_ACTIVE                  ( 0x01U )
+    #define tmrSTATUS_IS_STATICALLY_ALLOCATED    ( 0x02U )
+    #define tmrSTATUS_IS_AUTORELOAD              ( 0x04U )
 
 /* The definition of the timers themselves. */
     typedef struct tmrTimerControl                                               /* The old naming convention is used to prevent breaking kernel aware debuggers. */
@@ -342,7 +342,7 @@
                 /* Timers can be created statically or dynamically so note this
                  * timer was created statically in case it is later deleted.  The
                  * auto-reload bit may get set in prvInitialiseNewTimer(). */
-                pxNewTimer->ucStatus = tmrSTATUS_IS_STATICALLY_ALLOCATED;
+                pxNewTimer->ucStatus = ( uint8_t ) tmrSTATUS_IS_STATICALLY_ALLOCATED;
 
                 prvInitialiseNewTimer( pcTimerName, xTimerPeriodInTicks, xAutoReload, pvTimerID, pxCallbackFunction, pxNewTimer );
             }
@@ -377,7 +377,7 @@
 
         if( xAutoReload != pdFALSE )
         {
-            pxNewTimer->ucStatus |= tmrSTATUS_IS_AUTORELOAD;
+            pxNewTimer->ucStatus |= ( uint8_t ) tmrSTATUS_IS_AUTORELOAD;
         }
 
         traceTIMER_CREATE( pxNewTimer );
@@ -499,7 +499,7 @@
         {
             if( xAutoReload != pdFALSE )
             {
-                pxTimer->ucStatus |= tmrSTATUS_IS_AUTORELOAD;
+                pxTimer->ucStatus |= ( uint8_t ) tmrSTATUS_IS_AUTORELOAD;
             }
             else
             {
@@ -894,7 +894,7 @@
                     case tmrCOMMAND_RESET:
                     case tmrCOMMAND_RESET_FROM_ISR:
                         /* Start or restart a timer. */
-                        pxTimer->ucStatus |= tmrSTATUS_IS_ACTIVE;
+                        pxTimer->ucStatus |= ( uint8_t ) tmrSTATUS_IS_ACTIVE;
 
                         if( prvInsertTimerInActiveList( pxTimer, xMessage.u.xTimerParameters.xMessageValue + pxTimer->xTimerPeriodInTicks, xTimeNow, xMessage.u.xTimerParameters.xMessageValue ) != pdFALSE )
                         {
@@ -928,7 +928,7 @@
 
                     case tmrCOMMAND_CHANGE_PERIOD:
                     case tmrCOMMAND_CHANGE_PERIOD_FROM_ISR:
-                        pxTimer->ucStatus |= tmrSTATUS_IS_ACTIVE;
+                        pxTimer->ucStatus |= ( uint8_t ) tmrSTATUS_IS_ACTIVE;
                         pxTimer->xTimerPeriodInTicks = xMessage.u.xTimerParameters.xMessageValue;
                         configASSERT( ( pxTimer->xTimerPeriodInTicks > 0 ) );