Index: kernel/arch/sparc64/src/mm/page.c
===================================================================
--- kernel/arch/sparc64/src/mm/page.c	(revision f32d90be790669d71082aea8e9d0e239043b61e7)
+++ kernel/arch/sparc64/src/mm/page.c	(revision 9979acb60a5eb42e08938818e5cc4fd945626555)
@@ -27,5 +27,5 @@
  */
 
-/** @addtogroup sparc64mm	
+/** @addtogroup sparc64mm
  * @{
  */
@@ -42,4 +42,8 @@
 #include <align.h>
 #include <config.h>
+#include <ddi/ddi.h>
+
+/** Physical memory area for devices. */
+static parea_t dev_area;
 
 #ifdef CONFIG_SMP
@@ -165,8 +169,9 @@
 }
 
-void hw_area(uintptr_t *physaddr, pfn_t *frames)
+void hw_area(void)
 {
-	*physaddr = end_frame;
-	*frames = ADDR2PFN(0x7ffffffffff - end_frame);
+	dev_area.pbase = end_frame;
+	dev_area.frames = SIZE2FRAMES(0x7ffffffffff - end_frame);
+	ddi_parea_register(&dev_area);
 }