diff --git a/src/mainboard/amd/birman/Makefile.inc b/src/mainboard/amd/birman/Makefile.inc
index df931d9..079e72b 100644
--- a/src/mainboard/amd/birman/Makefile.inc
+++ b/src/mainboard/amd/birman/Makefile.inc
@@ -4,11 +4,13 @@
 bootblock-y += early_gpio.c
 bootblock-y += ec.c
 
-romstage-y += port_descriptors.c
+romstage-$(CONFIG_BOARD_AMD_BIRMAN_PHOENIX) += port_descriptors_phoenix.c
+romstage-$(CONFIG_BOARD_AMD_BIRMAN_GLINDA) += port_descriptors_glinda.c
 
 ramstage-y += chromeos.c
 ramstage-y += gpio.c
-ramstage-y += port_descriptors.c
+ramstage-$(CONFIG_BOARD_AMD_BIRMAN_PHOENIX) += port_descriptors_phoenix.c
+ramstage-$(CONFIG_BOARD_AMD_BIRMAN_GLINDA) += port_descriptors_glinda.c
 
 ifneq ($(wildcard $(MAINBOARD_BLOBS_DIR)/APCB_FP8_LPDDR5.bin),)
 APCB_SOURCES = $(MAINBOARD_BLOBS_DIR)/APCB_FP8_LPDDR5.bin
diff --git a/src/mainboard/amd/birman/port_descriptors.c b/src/mainboard/amd/birman/port_descriptors_glinda.c
similarity index 100%
rename from src/mainboard/amd/birman/port_descriptors.c
rename to src/mainboard/amd/birman/port_descriptors_glinda.c
diff --git a/src/mainboard/amd/birman/port_descriptors.c b/src/mainboard/amd/birman/port_descriptors_phoenix.c
similarity index 100%
copy from src/mainboard/amd/birman/port_descriptors.c
copy to src/mainboard/amd/birman/port_descriptors_phoenix.c