diff --git a/src/soc/amd/stoneyridge/northbridge.c b/src/soc/amd/stoneyridge/northbridge.c
index d5231ad..5d5ed7a 100644
--- a/src/soc/amd/stoneyridge/northbridge.c
+++ b/src/soc/amd/stoneyridge/northbridge.c
@@ -332,7 +332,7 @@
  */
 void amd_initcpuio(void)
 {
-	uintptr_t topmem = bsp_topmem();
+	uintptr_t topmem = amd_topmem();
 	uintptr_t base, limit;
 
 	/* Enable legacy video routing: D18F1xF4 VGA Enable */