diff --git a/src/northbridge/intel/ironlake/memmap.c b/src/northbridge/intel/ironlake/memmap.c
index 54337cc..78fbae8 100644
--- a/src/northbridge/intel/ironlake/memmap.c
+++ b/src/northbridge/intel/ironlake/memmap.c
@@ -11,16 +11,10 @@
 
 #include "ironlake.h"
 
-static uintptr_t smm_region_start(void)
-{
-	/* Base of TSEG is top of usable DRAM */
-	uintptr_t tom = pci_read_config32(PCI_DEV(0,0,0), TSEG);
-	return tom;
-}
-
 static uintptr_t northbridge_get_tseg_base(void)
 {
-	return smm_region_start();
+	/* Base of TSEG is top of usable DRAM */
+	return pci_read_config32(PCI_DEV(0, 0, 0), TSEG);
 }
 
 static size_t northbridge_get_tseg_size(void)
@@ -30,7 +24,7 @@
 
 void *cbmem_top_chipset(void)
 {
-	return (void *) smm_region_start();
+	return (void *)northbridge_get_tseg_base();
 }
 
 void smm_region(uintptr_t *start, size_t *size)