diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c
index 0df2140b7ccc..30052dc5b9a1 100644
--- a/drivers/net/dsa/microchip/ksz8795.c
+++ b/drivers/net/dsa/microchip/ksz8795.c
@@ -1368,10 +1368,25 @@ static int ksz8_handle_global_errata(struct dsa_switch *ds)
 	return ret;
 }
 
+static int ksz8_enable_stp_addr(struct ksz_device *dev)
+{
+	struct alu_struct alu;
+
+	/* Setup STP address for STP operation. */
+	memset(&alu, 0, sizeof(alu));
+	ether_addr_copy(alu.mac, eth_stp_addr);
+	alu.is_static = true;
+	alu.is_override = true;
+	alu.port_forward = dev->info->cpu_ports;
+
+	ksz8_w_sta_mac_table(dev, 0, &alu);
+
+	return 0;
+}
+
 static int ksz8_setup(struct dsa_switch *ds)
 {
 	struct ksz_device *dev = ds->priv;
-	struct alu_struct alu;
 	int i, ret = 0;
 
 	dev->vlan_cache = devm_kcalloc(dev->dev, sizeof(struct vlan_table),
@@ -1422,14 +1437,7 @@ static int ksz8_setup(struct dsa_switch *ds)
 	for (i = 0; i < (dev->info->num_vlans / 4); i++)
 		ksz8_r_vlan_entries(dev, i);
 
-	/* Setup STP address for STP operation. */
-	memset(&alu, 0, sizeof(alu));
-	ether_addr_copy(alu.mac, eth_stp_addr);
-	alu.is_static = true;
-	alu.is_override = true;
-	alu.port_forward = dev->info->cpu_ports;
-
-	ksz8_w_sta_mac_table(dev, 0, &alu);
+	dev->dev_ops->enable_stp_addr(dev);
 
 	ksz_init_mib_timer(dev);
 
@@ -1546,6 +1554,7 @@ static const struct ksz_dev_ops ksz8_dev_ops = {
 	.mirror_del = ksz8_port_mirror_del,
 	.get_caps = ksz8_get_caps,
 	.config_cpu_port = ksz8_config_cpu_port,
+	.enable_stp_addr = ksz8_enable_stp_addr,
 	.reset = ksz8_reset_switch,
 	.init = ksz8_switch_init,
 	.exit = ksz8_switch_exit,
diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c
index fef8142440cf..6ca0d5753df0 100644
--- a/drivers/net/dsa/microchip/ksz9477.c
+++ b/drivers/net/dsa/microchip/ksz9477.c
@@ -1236,6 +1236,36 @@ static void ksz9477_config_cpu_port(struct dsa_switch *ds)
 	}
 }
 
+static int ksz9477_enable_stp_addr(struct ksz_device *dev)
+{
+	u32 data;
+	int ret;
+
+	/* Enable Reserved multicast table */
+	ksz_cfg(dev, REG_SW_LUE_CTRL_0, SW_RESV_MCAST_ENABLE, true);
+
+	/* Set the Override bit for forwarding BPDU packet to CPU */
+	ret = ksz_write32(dev, REG_SW_ALU_VAL_B,
+			  ALU_V_OVERRIDE | BIT(dev->cpu_port));
+	if (ret < 0)
+		return ret;
+
+	data = ALU_STAT_START | ALU_RESV_MCAST_ADDR;
+
+	ret = ksz_write32(dev, REG_SW_ALU_STAT_CTRL__4, data);
+	if (ret < 0)
+		return ret;
+
+	/* wait to be finished */
+	ret = ksz9477_wait_alu_sta_ready(dev);
+	if (ret < 0) {
+		dev_err(dev->dev, "Failed to update Reserved Multicast table\n");
+		return ret;
+	}
+
+	return 0;
+}
+
 static int ksz9477_setup(struct dsa_switch *ds)
 {
 	struct ksz_device *dev = ds->priv;
@@ -1281,6 +1311,8 @@ static int ksz9477_setup(struct dsa_switch *ds)
 	/* start switch */
 	ksz_cfg(dev, REG_SW_OPERATION, SW_START, true);
 
+	dev->dev_ops->enable_stp_addr(dev);
+
 	ksz_init_mib_timer(dev);
 
 	ds->configure_vlan_while_not_filtering = false;
@@ -1401,6 +1433,7 @@ static const struct ksz_dev_ops ksz9477_dev_ops = {
 	.change_mtu = ksz9477_change_mtu,
 	.max_mtu = ksz9477_max_mtu,
 	.config_cpu_port = ksz9477_config_cpu_port,
+	.enable_stp_addr = ksz9477_enable_stp_addr,
 	.reset = ksz9477_reset_switch,
 	.init = ksz9477_switch_init,
 	.exit = ksz9477_switch_exit,
diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h
index d5b53b5b7b51..e38bdf1f5b41 100644
--- a/drivers/net/dsa/microchip/ksz_common.h
+++ b/drivers/net/dsa/microchip/ksz_common.h
@@ -205,6 +205,7 @@ struct ksz_dev_ops {
 	void (*freeze_mib)(struct ksz_device *dev, int port, bool freeze);
 	void (*port_init_cnt)(struct ksz_device *dev, int port);
 	void (*config_cpu_port)(struct dsa_switch *ds);
+	int (*enable_stp_addr)(struct ksz_device *dev);
 	int (*reset)(struct ksz_device *dev);
 	int (*init)(struct ksz_device *dev);
 	void (*exit)(struct ksz_device *dev);