diff --git a/src/soc/qualcomm/ipq806x/cbmem.c b/src/soc/qualcomm/ipq806x/cbmem.c
index b175d6a543..ecb02e47e8 100644
--- a/src/soc/qualcomm/ipq806x/cbmem.c
+++ b/src/soc/qualcomm/ipq806x/cbmem.c
@@ -18,8 +18,10 @@
  */
 
 #include <cbmem.h>
+#include <stddef.h>
 
 void *cbmem_top(void)
 {
-	return (void *)(CONFIG_SYS_SDRAM_BASE + (CONFIG_DRAM_SIZE_MB << 20));
+	return (void *)((uintptr_t)CONFIG_SYS_SDRAM_BASE +
+					(CONFIG_DRAM_SIZE_MB << 20));
 }