diff --git a/src/soc/intel/broadwell/memmap.c b/src/soc/intel/broadwell/memmap.c
index fb9a834f6c..e4c787a016 100644
--- a/src/soc/intel/broadwell/memmap.c
+++ b/src/soc/intel/broadwell/memmap.c
@@ -35,8 +35,8 @@ void *cbmem_top_chipset(void)
 
 void smm_region(uintptr_t *start, size_t *size)
 {
-	uintptr_t tseg = pci_read_config32(PCI_DEV(0, 0, 0), TSEG);
-	uintptr_t bgsm = pci_read_config32(PCI_DEV(0, 0, 0), BGSM);
+	uintptr_t tseg = pci_read_config32(SA_DEV_ROOT, TSEG);
+	uintptr_t bgsm = pci_read_config32(SA_DEV_ROOT, BGSM);
 
 	tseg = ALIGN_DOWN(tseg, 1 * MiB);
 	bgsm = ALIGN_DOWN(bgsm, 1 * MiB);