Index: kernel/arch/sparc64/src/drivers/pci.c
===================================================================
--- kernel/arch/sparc64/src/drivers/pci.c	(revision 11b285d87da6e1d6a1d65134694b4f971f3cdebc)
+++ kernel/arch/sparc64/src/drivers/pci.c	(revision bbe5e34956da986df4d32357c697e539e8cfec0d)
@@ -110,5 +110,5 @@
 	pci->op = &pci_sabre_ops;
 	pci->reg = (uint64_t *) km_map(paddr, reg[SABRE_INTERNAL_REG].size,
-	    PAGE_WRITE | PAGE_NOT_CACHEABLE);
+	    KM_NATURAL_ALIGNMENT, PAGE_WRITE | PAGE_NOT_CACHEABLE);
 
 	return pci;
@@ -152,5 +152,5 @@
 	pci->op = &pci_psycho_ops;
 	pci->reg = (uint64_t *) km_map(paddr, reg[PSYCHO_INTERNAL_REG].size,
-	    PAGE_WRITE | PAGE_NOT_CACHEABLE);
+	    KM_NATURAL_ALIGNMENT, PAGE_WRITE | PAGE_NOT_CACHEABLE);
 
 	return pci;