diff --git a/src/soc/amd/cezanne/fsp_m_params.c b/src/soc/amd/cezanne/fsp_m_params.c
index 1a0366b..c641030 100644
--- a/src/soc/amd/cezanne/fsp_m_params.c
+++ b/src/soc/amd/cezanne/fsp_m_params.c
@@ -210,6 +210,7 @@
 
 	/* S0i3 enable */
 	mcfg->s0i3_enable = config->s0ix_enable;
+	mcfg->iommu_support = is_devfn_enabled(IOMMU_DEVFN);
 
 	/* voltage regulator telemetry settings */
 	mcfg->telemetry_vddcrvddfull_scale_current =