diff --git a/drivers/qe/uec.c b/drivers/qe/uec.c
index 6cb25bf..9094643 100644
--- a/drivers/qe/uec.c
+++ b/drivers/qe/uec.c
@@ -40,8 +40,13 @@
 		.tx_clock	= CFG_UEC1_TX_CLK,
 		.eth_type	= CFG_UEC1_ETH_TYPE,
 	},
+#if (CFG_UEC1_ETH_TYPE == FAST_ETH)
+	.num_threads_tx		= UEC_NUM_OF_THREADS_1,
+	.num_threads_rx		= UEC_NUM_OF_THREADS_1,
+#else
 	.num_threads_tx		= UEC_NUM_OF_THREADS_4,
 	.num_threads_rx		= UEC_NUM_OF_THREADS_4,
+#endif
 	.riscTx			= QE_RISC_ALLOCATION_RISC1_AND_RISC2,
 	.riscRx			= QE_RISC_ALLOCATION_RISC1_AND_RISC2,
 	.tx_bd_ring_len		= 16,
@@ -58,8 +63,13 @@
 		.tx_clock	= CFG_UEC2_TX_CLK,
 		.eth_type	= CFG_UEC2_ETH_TYPE,
 	},
+#if (CFG_UEC2_ETH_TYPE == FAST_ETH)
+	.num_threads_tx		= UEC_NUM_OF_THREADS_1,
+	.num_threads_rx		= UEC_NUM_OF_THREADS_1,
+#else
 	.num_threads_tx		= UEC_NUM_OF_THREADS_4,
 	.num_threads_rx		= UEC_NUM_OF_THREADS_4,
+#endif
 	.riscTx			= QE_RISC_ALLOCATION_RISC1_AND_RISC2,
 	.riscRx			= QE_RISC_ALLOCATION_RISC1_AND_RISC2,
 	.tx_bd_ring_len		= 16,
@@ -68,7 +78,6 @@
 	.enet_interface		= CFG_UEC2_INTERFACE_MODE,
 };
 #endif
-
 #ifdef CONFIG_UEC_ETH3
 static uec_info_t eth3_uec_info = {
 	.uf_info		= {
@@ -77,8 +86,13 @@
 		.tx_clock	= CFG_UEC3_TX_CLK,
 		.eth_type	= CFG_UEC3_ETH_TYPE,
 	},
+#if (CFG_UEC3_ETH_TYPE == FAST_ETH)
+	.num_threads_tx		= UEC_NUM_OF_THREADS_1,
+	.num_threads_rx		= UEC_NUM_OF_THREADS_1,
+#else
 	.num_threads_tx		= UEC_NUM_OF_THREADS_4,
 	.num_threads_rx		= UEC_NUM_OF_THREADS_4,
+#endif
 	.riscTx			= QE_RISC_ALLOCATION_RISC1_AND_RISC2,
 	.riscRx			= QE_RISC_ALLOCATION_RISC1_AND_RISC2,
 	.tx_bd_ring_len		= 16,
@@ -87,6 +101,29 @@
 	.enet_interface		= CFG_UEC3_INTERFACE_MODE,
 };
 #endif
+#ifdef CONFIG_UEC_ETH4
+static uec_info_t eth4_uec_info = {
+	.uf_info		= {
+		.ucc_num	= CFG_UEC4_UCC_NUM,
+		.rx_clock	= CFG_UEC4_RX_CLK,
+		.tx_clock	= CFG_UEC4_TX_CLK,
+		.eth_type	= CFG_UEC4_ETH_TYPE,
+	},
+#if (CFG_UEC4_ETH_TYPE == FAST_ETH)
+	.num_threads_tx		= UEC_NUM_OF_THREADS_1,
+	.num_threads_rx		= UEC_NUM_OF_THREADS_1,
+#else
+	.num_threads_tx		= UEC_NUM_OF_THREADS_4,
+	.num_threads_rx		= UEC_NUM_OF_THREADS_4,
+#endif
+	.riscTx			= QE_RISC_ALLOCATION_RISC1_AND_RISC2,
+	.riscRx			= QE_RISC_ALLOCATION_RISC1_AND_RISC2,
+	.tx_bd_ring_len		= 16,
+	.rx_bd_ring_len		= 16,
+	.phy_address		= CFG_UEC4_PHY_ADDR,
+	.enet_interface		= CFG_UEC4_INTERFACE_MODE,
+};
+#endif
 
 static int uec_mac_enable(uec_private_t *uec, comm_dir_e mode)
 {
@@ -1262,6 +1299,10 @@
 #ifdef CONFIG_UEC_ETH3
 		uec_info = &eth3_uec_info;
 #endif
+	} else if (index == 3) {
+#ifdef CONFIG_UEC_ETH4
+		uec_info = &eth4_uec_info;
+#endif
 	} else {
 		printf("%s: index is illegal.\n", __FUNCTION__);
 		return -EINVAL;