diff --git a/src/northbridge/amd/agesa/family15tn/northbridge.c b/src/northbridge/amd/agesa/family15tn/northbridge.c
index f1a2051..edc4585 100644
--- a/src/northbridge/amd/agesa/family15tn/northbridge.c
+++ b/src/northbridge/amd/agesa/family15tn/northbridge.c
@@ -34,6 +34,7 @@
 #include <Porting.h>
 #include <Options.h>
 #include <Topology.h>
+#include <northbridge/amd/agesa/nb_common.h>
 #include <northbridge/amd/agesa/state_machine.h>
 #include <northbridge/amd/agesa/agesa_helper.h>
 
@@ -99,7 +100,7 @@
 
 static struct device *get_node_pci(u32 nodeid, u32 fn)
 {
-	return pcidev_on_root(CONFIG_CDB + nodeid, fn);
+	return pcidev_on_root(DEV_CDB + nodeid, fn);
 }
 
 static void get_fx_devs(void)
@@ -142,7 +143,7 @@
 
 static u32 amdfam15_nodeid(struct device *dev)
 {
-	return (dev->path.pci.devfn >> 3) - CONFIG_CDB;
+	return (dev->path.pci.devfn >> 3) - DEV_CDB;
 }
 
 static void set_vga_enable_reg(u32 nodeid, u32 linkn)
@@ -818,9 +819,9 @@
 	int siblings = 0;
 	unsigned int family;
 
-	dev_mc = pcidev_on_root(CONFIG_CDB, 0);
+	dev_mc = pcidev_on_root(DEV_CDB, 0);
 	if (!dev_mc) {
-		printk(BIOS_ERR, "%02x:%02x.0 not found", CONFIG_CBB, CONFIG_CDB);
+		printk(BIOS_ERR, "0:%02x.0 not found", DEV_CDB);
 		die("");
 	}
 	sysconf_init(dev_mc);
@@ -843,7 +844,7 @@
 		unsigned devn;
 		struct bus *pbus;
 
-		devn = CONFIG_CDB + i;
+		devn = DEV_CDB + i;
 		pbus = dev_mc->bus;
 
 		/* Find the cpu's pci device */