diff options
Diffstat (limited to 'drivers/qe/uec.c')
-rw-r--r-- | drivers/qe/uec.c | 112 |
1 files changed, 85 insertions, 27 deletions
diff --git a/drivers/qe/uec.c b/drivers/qe/uec.c index 6cb25bfbc1a..55f37cb55c3 100644 --- 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) { @@ -475,6 +512,8 @@ static int init_phy(struct eth_device *dev) uec->mii_info = mii_info; + qe_set_mii_clk_src(uec->uec_info->uf_info.ucc_num); + if (init_mii_management_configuration(umii_regs)) { printf("%s: The MII Bus is stuck!", dev->name); err = -1; @@ -581,21 +620,12 @@ static void adjust_link(struct eth_device *dev) static void phy_change(struct eth_device *dev) { uec_private_t *uec = (uec_private_t *)dev->priv; - uec_t *uec_regs; - int result = 0; - - uec_regs = uec->uec_regs; - - /* Delay 5s to give the PHY a chance to change the register state */ - udelay(5000000); /* Update the link, speed, duplex */ - result = uec->mii_info->phyinfo->read_status(uec->mii_info); + uec->mii_info->phyinfo->read_status(uec->mii_info); /* Adjust the interface according to speed */ - if ((0 == result) || (uec->mii_info->link == 0)) { - adjust_link(dev); - } + adjust_link(dev); } static int uec_set_mac_address(uec_private_t *uec, u8 *mac_addr) @@ -1120,27 +1150,59 @@ static int uec_startup(uec_private_t *uec) static int uec_init(struct eth_device* dev, bd_t *bd) { uec_private_t *uec; - int err; + int err, i; + struct phy_info *curphy; uec = (uec_private_t *)dev->priv; if (uec->the_first_run == 0) { - /* Set up the MAC address */ - if (dev->enetaddr[0] & 0x01) { - printf("%s: MacAddress is multcast address\n", - __FUNCTION__); - return -1; + err = init_phy(dev); + if (err) { + printf("%s: Cannot initialize PHY, aborting.\n", + dev->name); + return err; + } + + curphy = uec->mii_info->phyinfo; + + if (curphy->config_aneg) { + err = curphy->config_aneg(uec->mii_info); + if (err) { + printf("%s: Can't negotiate PHY\n", dev->name); + return err; + } } - uec_set_mac_address(uec, dev->enetaddr); + + /* Give PHYs up to 5 sec to report a link */ + i = 50; + do { + err = curphy->read_status(uec->mii_info); + udelay(100000); + } while (((i-- > 0) && !uec->mii_info->link) || err); + + if (err || i <= 0) + printf("warning: %s: timeout on PHY link\n", dev->name); + uec->the_first_run = 1; } + /* Set up the MAC address */ + if (dev->enetaddr[0] & 0x01) { + printf("%s: MacAddress is multcast address\n", + __FUNCTION__); + return -1; + } + uec_set_mac_address(uec, dev->enetaddr); + + err = uec_open(uec, COMM_DIR_RX_AND_TX); if (err) { printf("%s: cannot enable UEC device\n", dev->name); return -1; } + phy_change(dev); + return (uec->mii_info->link ? 0 : -1); } @@ -1262,6 +1324,10 @@ int uec_initialize(int index) #ifdef CONFIG_UEC_ETH3 uec_info = ð3_uec_info; #endif + } else if (index == 3) { +#ifdef CONFIG_UEC_ETH4 + uec_info = ð4_uec_info; +#endif } else { printf("%s: index is illegal.\n", __FUNCTION__); return -EINVAL; @@ -1289,14 +1355,6 @@ int uec_initialize(int index) return err; } - err = init_phy(dev); - if (err) { - printf("%s: Cannot initialize PHY, aborting.\n", dev->name); - return err; - } - - phy_change(dev); - return 1; } #endif /* CONFIG_QE */ |