--- linux-4.0.1/arch/powerpc/sysdev/ppc4xx_ocm.c	2015-04-29 11:22:30.000000000 +0300
+++ linux-4.0.1-wd1/arch/powerpc/sysdev/ppc4xx_ocm.c	2015-05-02 16:26:00.202970763 +0300
@@ -109,7 +109,9 @@
 	struct ocm_info *ocm;
 
 	const unsigned int *cell_index;
+	const char *status;
 	const unsigned int *cache_size;
+
 	int len;
 
 	struct resource rsrc;
@@ -124,9 +126,15 @@
 	}
 	ocm->index = *cell_index;
 
-	if (of_device_is_available(node))
+	status = of_get_property(node, "status", &len);
+	if (status && strcmp(status,"disabled") == 0)
+		ocm->status = OCM_DISABLED;
+	else
 		ocm->status = OCM_ENABLED;
 
+//	if (of_device_is_available(node))
+//		ocm->status = OCM_ENABLED;
+
 	cache_size = of_get_property(node, "cached-region-size", &len);
 	if (cache_size)
 		ocm->cache_size = *cache_size;