diff --git a/include/fsl-mc/fsl_mc.h b/include/fsl-mc/fsl_mc.h
index b9f089e..28d5961 100644
--- a/include/fsl-mc/fsl_mc.h
+++ b/include/fsl-mc/fsl_mc.h
@@ -56,4 +56,5 @@
 int mc_init(bd_t *bis);
 
 int get_mc_boot_status(void);
+unsigned long mc_get_dram_block_size(void);
 #endif