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-rw-r--r--src/soc/intel/common/block/smbus/smbus.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/smbus/smbus.c b/src/soc/intel/common/block/smbus/smbus.c
index d1b65230b3..7fdbffc5ce 100644
--- a/src/soc/intel/common/block/smbus/smbus.c
+++ b/src/soc/intel/common/block/smbus/smbus.c
@@ -7,6 +7,7 @@
#include <device/pci_ids.h>
#include <soc/smbus.h>
#include <device/smbus_host.h>
+#include <intelblocks/tco.h>
#include "smbuslib.h"
static int lsmbus_read_byte(struct device *dev, u8 address)
@@ -63,6 +64,19 @@ static void smbus_read_resources(struct device *dev)
IORESOURCE_STORED | IORESOURCE_ASSIGNED;
}
+/*
+ * `finalize_smbus` function is native implementation of equivalent events
+ * performed by each FSP NotifyPhase() API invocations.
+ *
+ * Operations are:
+ * 1. TCO Lock.
+ */
+static void finalize_smbus(struct device *dev)
+{
+ if (!CONFIG(USE_FSP_NOTIFY_PHASE_POST_PCI_ENUM))
+ tco_lockdown();
+}
+
static struct device_operations smbus_ops = {
.read_resources = smbus_read_resources,
.set_resources = pci_dev_set_resources,
@@ -71,6 +85,7 @@ static struct device_operations smbus_ops = {
.init = pch_smbus_init,
.ops_pci = &pci_dev_ops_pci,
.ops_smbus_bus = &lops_smbus_bus,
+ .final = finalize_smbus,
};
static const unsigned short pci_device_ids[] = {