4 files changed, 6 insertions, 4 deletions
diff --git a/src/southbridge/nvidia/ck804/Makefile.inc b/src/southbridge/nvidia/ck804/Makefile.inc
index b1577f553a..debe227585 100644
--- a/src/southbridge/nvidia/ck804/Makefile.inc
+++ b/src/southbridge/nvidia/ck804/Makefile.inc
@@ -15,7 +15,9 @@ ramstage-y += reset.c
 
 ramstage-$(CONFIG_GENERATE_ACPI_TABLES) += fadt.c
 
-romstage-y += enable_usbdebug.c
+romstage-$(CONFIG_USBDEBUG) += enable_usbdebug.c
+ramstage-$(CONFIG_USBDEBUG) += enable_usbdebug.c
+smm-$(CONFIG_USBDEBUG) += enable_usbdebug.c
 romstage-y += early_smbus.c
 
 chipset_bootblock_inc += $(src)/southbridge/nvidia/ck804/romstrap.inc
diff --git a/src/southbridge/nvidia/ck804/ck804.h b/src/southbridge/nvidia/ck804/ck804.h
index e7bf021c8e..3e8b1f2556 100644
--- a/src/southbridge/nvidia/ck804/ck804.h
+++ b/src/southbridge/nvidia/ck804/ck804.h
@@ -24,7 +24,6 @@
 #include "chip.h"
 
 void ck804_enable(device_t dev);
-void enable_usbdebug(unsigned int port);
 
 extern struct pci_operations ck804_pci_ops;
 
diff --git a/src/southbridge/nvidia/mcp55/Makefile.inc b/src/southbridge/nvidia/mcp55/Makefile.inc
index a59e1486fa..26844da696 100644
--- a/src/southbridge/nvidia/mcp55/Makefile.inc
+++ b/src/southbridge/nvidia/mcp55/Makefile.inc
@@ -15,7 +15,9 @@ driver-$(CONFIG_GENERATE_ACPI_TABLES) += fadt.c
 
 ramstage-y += reset.c
 
-romstage-y += enable_usbdebug.c
+romstage-$(CONFIG_USBDEBUG) += enable_usbdebug.c
+ramstage-$(CONFIG_USBDEBUG) += enable_usbdebug.c
+smm-$(CONFIG_USBDEBUG) += enable_usbdebug.c
 
 chipset_bootblock_inc += $(src)/southbridge/nvidia/mcp55/romstrap.inc
 chipset_bootblock_lds += $(src)/southbridge/nvidia/mcp55/romstrap.lds
diff --git a/src/southbridge/nvidia/mcp55/mcp55.h b/src/southbridge/nvidia/mcp55/mcp55.h
index 3173c50f39..aa52886704 100644
--- a/src/southbridge/nvidia/mcp55/mcp55.h
+++ b/src/southbridge/nvidia/mcp55/mcp55.h
@@ -35,7 +35,6 @@ extern struct pci_operations mcp55_pci_ops;
 #else
 #if !defined(__ROMCC__)
 void enable_fid_change_on_sb(unsigned sbbusn, unsigned sbdn);
-void enable_usbdebug(unsigned int port);
 #endif
 #endif