diff --git a/drivers/timer/omap-timer.c b/drivers/timer/omap-timer.c
index 3bb38c5..7422e0a 100644
--- a/drivers/timer/omap-timer.c
+++ b/drivers/timer/omap-timer.c
@@ -79,7 +79,8 @@
 {
 	struct omap_timer_priv *priv = dev_get_priv(dev);
 
-	priv->regs = (struct omap_gptimer_regs *)dev_get_addr(dev);
+	priv->regs = map_physmem(dev_get_addr(dev),
+				 sizeof(struct omap_gptimer_regs), MAP_NOCACHE);
 
 	return 0;
 }