1 files changed, 9 insertions, 0 deletions
diff --git a/src/soc/intel/elkhartlake/cpu.c b/src/soc/intel/elkhartlake/cpu.c
index 3e0dae191a..f4baa65fd9 100644
--- a/src/soc/intel/elkhartlake/cpu.c
+++ b/src/soc/intel/elkhartlake/cpu.c
@@ -24,6 +24,15 @@ bool cpu_soc_is_in_untrusted_mode(void)
 	return !!(msr.lo & ENABLE_IA_UNTRUSTED);
 }
 
+void cpu_soc_bios_done(void)
+{
+	msr_t msr;
+
+	msr = rdmsr(MSR_BIOS_DONE);
+	msr.lo |= ENABLE_IA_UNTRUSTED;
+	wrmsr(MSR_BIOS_DONE, msr);
+}
+
 static void soc_fsp_load(void)
 {
 	fsps_load();