diff --git a/src/soc/amd/picasso/include/soc/smi.h b/src/soc/amd/picasso/include/soc/smi.h
index a629fc5541..0529ef6877 100644
--- a/src/soc/amd/picasso/include/soc/smi.h
+++ b/src/soc/amd/picasso/include/soc/smi.h
@@ -160,6 +160,7 @@
 #define SMI_TIMER_EN				(1 << 15)
 
 #define SMI_REG_SMITRIG0		0x98
+# define SMITRIG0_PSP				(1 << 25)
 # define SMITRG0_EOS				(1 << 28)
 # define SMI_TIMER_SEL				(1 << 29)
 # define SMITRG0_SMIENB				(1 << 31)
diff --git a/src/soc/amd/picasso/psp.c b/src/soc/amd/picasso/psp.c
index e40d395637..702b0d9d96 100644
--- a/src/soc/amd/picasso/psp.c
+++ b/src/soc/amd/picasso/psp.c
@@ -27,11 +27,11 @@ void soc_fill_smm_trig_info(struct smm_trigger_info *trig)
 	if (!trig)
 		return;
 
-	trig->address = (uintptr_t)acpimmio_smi + SMI_REG_CONTROL2;
+	trig->address = (uintptr_t)acpimmio_smi + SMI_REG_SMITRIG0;
 	trig->address_type = SMM_TRIGGER_MEM;
 	trig->value_width = SMM_TRIGGER_DWORD;
-	trig->value_and_mask = 0xfdffffff;
-	trig->value_or_mask = 0x02000000;
+	trig->value_and_mask = ~SMITRIG0_PSP;
+	trig->value_or_mask = SMITRIG0_PSP;
 }
 
 void soc_fill_smm_reg_info(struct smm_register_info *reg)