diff --git a/src/soc/intel/common/basecode/ramtop/ramtop.c b/src/soc/intel/common/basecode/ramtop/ramtop.c
index 90717e0..ec326bb 100644
--- a/src/soc/intel/common/basecode/ramtop/ramtop.c
+++ b/src/soc/intel/common/basecode/ramtop/ramtop.c
@@ -1,8 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 
+#include <commonlib/bsd/ipchksum.h>
 #include <console/console.h>
 #include <cpu/x86/mtrr.h>
-#include <ip_checksum.h>
 #include <intelbasecode/ramtop.h>
 #include <pc80/mc146818rtc.h>
 #include <stdint.h>
@@ -57,7 +57,7 @@
 	}
 
 	/* Verify checksum over signature and counter only */
-	csum = compute_ip_checksum(ramtop, offsetof(struct ramtop_table, checksum));
+	csum = ipchksum(ramtop, offsetof(struct ramtop_table, checksum));
 
 	if (csum != ramtop->checksum) {
 		printk(BIOS_DEBUG, "ramtop_table checksum mismatch\n");
@@ -73,8 +73,7 @@
 	u8 i, *p;
 
 	/* Checksum over signature and counter only */
-	ramtop->checksum = compute_ip_checksum(
-		ramtop, offsetof(struct ramtop_table, checksum));
+	ramtop->checksum = ipchksum(ramtop, offsetof(struct ramtop_table, checksum));
 
 	for (p = (u8 *)ramtop, i = 0; i < sizeof(*ramtop); i++, p++)
 		cmos_write(*p, (CMOS_VSTART_ramtop / 8) + i);