diff --git a/src/soc/intel/quark/Makefile.inc b/src/soc/intel/quark/Makefile.inc
index b63e613f7b..a6d03b1908 100644
--- a/src/soc/intel/quark/Makefile.inc
+++ b/src/soc/intel/quark/Makefile.inc
@@ -25,6 +25,7 @@ romstage-$(CONFIG_ENABLE_BUILTIN_HSUART1) += uart_common.c
 
 ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpi.c
 ramstage-y += chip.c
+ramstage-y += ehci.c
 ramstage-y += gpio_i2c.c
 ramstage-y += memmap.c
 ramstage-y += northcluster.c
@@ -33,7 +34,6 @@ ramstage-y += reg_access.c
 ramstage-y += tsc_freq.c
 ramstage-$(CONFIG_ENABLE_BUILTIN_HSUART1) += uart_common.c
 ramstage-$(CONFIG_ENABLE_BUILTIN_HSUART1) += uart.c
-ramstage-y += usb.c
 
 CPPFLAGS_common += -I$(src)/soc/intel/quark
 CPPFLAGS_common += -I$(src)/soc/intel/quark/include
diff --git a/src/soc/intel/quark/usb.c b/src/soc/intel/quark/ehci.c
similarity index 100%
rename from src/soc/intel/quark/usb.c
rename to src/soc/intel/quark/ehci.c