Index: sys/dev/firewire/fwohci.c
===================================================================
--- sys/dev/firewire/fwohci.c
+++ sys/dev/firewire/fwohci.c
@@ -1862,6 +1862,7 @@
 				prequpper = OHCI_PREQUPPER_MAX;
 			}
 			OWRITE(sc, OHCI_PREQUPPER, prequpper & 0xffffffff);
+#ifdef __LP64__
 			if (OREAD(sc, OHCI_PREQUPPER) !=
 			    (prequpper & 0xffffffff)) {
 				device_printf(fc->dev,
@@ -1872,6 +1873,7 @@
 				   "PhysicalUpperBound = 0x%08x\n",
 				    OREAD(sc, OHCI_PREQUPPER));
 			}
+#endif
 		}
 		/* Set ATRetries register */
 		OWRITE(sc, OHCI_ATRETRY, 1<<(13 + 16) | 0xfff);