QE UEC: Extend number of supported UECs to 4

This patch extends the number of supported UECs to 4. Note that the
problem of QE thread resources exhaustion is resolved by setting the
correct number of QE threads according to Ethernet type (GBE or FE).

Signed-off-by: David Saada <david.saada@ecitele.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>

diff --git a/drivers/qe/uec.c b/drivers/qe/uec.c
index 6cb25bfbc1aaf732010479f5ef53a452cd35454f..9094643912a40a6637783988dd670509bc3d48d4 100644 (file)
--- a/drivers/qe/uec.c
+++ b/drivers/qe/uec.c
@@ -40,8 +40,13 @@ static uec_info_t eth1_uec_info = {
                .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 @@ static uec_info_t eth2_uec_info = {
                .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 @@ static uec_info_t eth2_uec_info = {
        .enet_interface         = CFG_UEC2_INTERFACE_MODE,
 };
 #endif
-
 #ifdef CONFIG_UEC_ETH3
 static uec_info_t eth3_uec_info = {
        .uf_info                = {
@@ -77,8 +86,13 @@ static uec_info_t eth3_uec_info = {
                .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 @@ static uec_info_t eth3_uec_info = {
        .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)
 {
@@ -1261,6 +1298,10 @@ int uec_initialize(int index)
        } else if (index == 2) {
 #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__);

diff --git a/net/eth.c b/net/eth.c
index 5d9e9c18898a52d0a7fd7121c976b0261184b738..63a4cb652a2c3d06540544b3b3aaac20a36480df 100644 (file)
--- a/net/eth.c
+++ b/net/eth.c
@@ -217,6 +217,9 @@ int eth_initialize(bd_t *bis)
 #if defined(CONFIG_UEC_ETH3)
        uec_initialize(2);
 #endif
+#if defined(CONFIG_UEC_ETH4)
+       uec_initialize(3);
+#endif
 
 #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
        fec_initialize(bis);