-#define IMAP_VALID 0x80000000 /* IRQ Enabled */
-#define IMAP_TID_UPA 0x7c000000 /* UPA TargetID */
-#define IMAP_TID_JBUS 0x7c000000 /* JBUS TargetID */
+#define IMAP_VALID 0x80000000UL /* IRQ Enabled */
+#define IMAP_TID_UPA 0x7c000000UL /* UPA TargetID */
+#define IMAP_TID_JBUS 0x7c000000UL /* JBUS TargetID */