diff --git a/src/soc/amd/stoneyridge/Makefile.inc b/src/soc/amd/stoneyridge/Makefile.inc
index 150df3abd9..0fed074523 100644
--- a/src/soc/amd/stoneyridge/Makefile.inc
+++ b/src/soc/amd/stoneyridge/Makefile.inc
@@ -62,7 +62,7 @@ romstage-y += pmutil.c
 romstage-y += reset.c
 romstage-y += smbus.c
 romstage-y += smbus_spd.c
-romstage-y += ramtop.c
+romstage-y += memmap.c
 romstage-$(CONFIG_STONEYRIDGE_UART) += uart.c
 romstage-y += tsc_freq.c
 romstage-y += southbridge.c
@@ -82,7 +82,7 @@ verstage-$(CONFIG_SPI_FLASH) += spi.c
 
 postcar-y += monotonic_timer.c
 postcar-$(CONFIG_STONEYRIDGE_UART) += uart.c
-postcar-y += ramtop.c
+postcar-y += memmap.c
 postcar-y += nb_util.c
 postcar-$(CONFIG_VBOOT_MEASURED_BOOT) += i2c.c
 postcar-y += tsc_freq.c
@@ -103,7 +103,7 @@ ramstage-y += reset.c
 ramstage-y += sata.c
 ramstage-y += sm.c
 ramstage-y += smbus.c
-ramstage-y += ramtop.c
+ramstage-y += memmap.c
 ramstage-$(CONFIG_HAVE_SMI_HANDLER) += smi.c
 ramstage-$(CONFIG_HAVE_SMI_HANDLER) += smi_util.c
 ramstage-$(CONFIG_STONEYRIDGE_UART) += uart.c
diff --git a/src/soc/amd/stoneyridge/ramtop.c b/src/soc/amd/stoneyridge/memmap.c
similarity index 100%
rename from src/soc/amd/stoneyridge/ramtop.c
rename to src/soc/amd/stoneyridge/memmap.c