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-rw-r--r--src/arch/x86/cbmem.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/arch/x86/cbmem.c b/src/arch/x86/cbmem.c
index 57ed83b5ca..6a353bd324 100644
--- a/src/arch/x86/cbmem.c
+++ b/src/arch/x86/cbmem.c
@@ -45,6 +45,10 @@ void set_late_cbmem_top(uintptr_t ramtop)
/* Top of CBMEM is at highest usable DRAM address below 4GiB. */
uintptr_t __attribute__((weak)) restore_cbmem_top(void)
{
+ if (IS_ENABLED(CONFIG_LATE_CBMEM_INIT) && ENV_ROMSTAGE)
+ if (!acpi_is_wakeup_s3())
+ return 0;
+
return restore_top_of_low_cacheable();
}