Lines Matching refs:db
95 struct emac_board_info *db; member
104 struct emac_board_info *db = netdev_priv(dev); in emac_update_speed() local
108 reg_val = readl(db->membase + EMAC_MAC_SUPP_REG); in emac_update_speed()
110 if (db->speed == SPEED_100) in emac_update_speed()
112 writel(reg_val, db->membase + EMAC_MAC_SUPP_REG); in emac_update_speed()
117 struct emac_board_info *db = netdev_priv(dev); in emac_update_duplex() local
121 reg_val = readl(db->membase + EMAC_MAC_CTL1_REG); in emac_update_duplex()
123 if (db->duplex) in emac_update_duplex()
125 writel(reg_val, db->membase + EMAC_MAC_CTL1_REG); in emac_update_duplex()
130 struct emac_board_info *db = netdev_priv(dev); in emac_handle_link_change() local
136 if (db->speed != phydev->speed) { in emac_handle_link_change()
137 spin_lock_irqsave(&db->lock, flags); in emac_handle_link_change()
138 db->speed = phydev->speed; in emac_handle_link_change()
140 spin_unlock_irqrestore(&db->lock, flags); in emac_handle_link_change()
144 if (db->duplex != phydev->duplex) { in emac_handle_link_change()
145 spin_lock_irqsave(&db->lock, flags); in emac_handle_link_change()
146 db->duplex = phydev->duplex; in emac_handle_link_change()
148 spin_unlock_irqrestore(&db->lock, flags); in emac_handle_link_change()
153 if (phydev->link != db->link) { in emac_handle_link_change()
155 db->speed = 0; in emac_handle_link_change()
156 db->duplex = -1; in emac_handle_link_change()
158 db->link = phydev->link; in emac_handle_link_change()
169 struct emac_board_info *db = netdev_priv(dev); in emac_mdio_probe() local
175 phydev = of_phy_connect(db->ndev, db->phy_node, in emac_mdio_probe()
177 db->phy_interface); in emac_mdio_probe()
179 netdev_err(db->ndev, "could not find the PHY\n"); in emac_mdio_probe()
186 db->link = 0; in emac_mdio_probe()
187 db->speed = 0; in emac_mdio_probe()
188 db->duplex = -1; in emac_mdio_probe()
198 static void emac_reset(struct emac_board_info *db) in emac_reset() argument
200 dev_dbg(db->dev, "resetting device\n"); in emac_reset()
203 writel(0, db->membase + EMAC_CTL_REG); in emac_reset()
205 writel(EMAC_CTL_RESET, db->membase + EMAC_CTL_REG); in emac_reset()
220 emac_alloc_dma_req(struct emac_board_info *db, in emac_alloc_dma_req() argument
230 req->db = db; in emac_alloc_dma_req()
246 struct emac_board_info *db = req->db; in emac_dma_done_callback() local
248 struct net_device *dev = db->ndev; in emac_dma_done_callback()
252 dma_unmap_single(db->dev, req->rxbuf, rxlen, DMA_FROM_DEVICE); in emac_dma_done_callback()
261 reg_val = readl(db->membase + EMAC_RX_CTL_REG); in emac_dma_done_callback()
263 writel(reg_val, db->membase + EMAC_RX_CTL_REG); in emac_dma_done_callback()
266 reg_val = readl(db->membase + EMAC_INT_CTL_REG); in emac_dma_done_callback()
268 writel(reg_val, db->membase + EMAC_INT_CTL_REG); in emac_dma_done_callback()
270 db->emacrx_completed_flag = 1; in emac_dma_done_callback()
274 static int emac_dma_inblk_32bit(struct emac_board_info *db, in emac_dma_inblk_32bit() argument
283 rxbuf = dma_map_single(db->dev, rdptr, count, DMA_FROM_DEVICE); in emac_dma_inblk_32bit()
284 ret = dma_mapping_error(db->dev, rxbuf); in emac_dma_inblk_32bit()
286 dev_err(db->dev, "dma mapping error.\n"); in emac_dma_inblk_32bit()
290 desc = dmaengine_prep_slave_single(db->rx_chan, rxbuf, count, in emac_dma_inblk_32bit()
294 dev_err(db->dev, "prepare slave single failed\n"); in emac_dma_inblk_32bit()
299 req = emac_alloc_dma_req(db, desc, skb, rxbuf, count); in emac_dma_inblk_32bit()
301 dev_err(db->dev, "alloc emac dma req error.\n"); in emac_dma_inblk_32bit()
312 dev_err(db->dev, "dma submit error.\n"); in emac_dma_inblk_32bit()
316 dma_async_issue_pending(db->rx_chan); in emac_dma_inblk_32bit()
326 dma_unmap_single(db->dev, rxbuf, count, DMA_FROM_DEVICE); in emac_dma_inblk_32bit()
340 struct emac_board_info *db = netdev_priv(dev); in emac_get_msglevel() local
342 return db->msg_enable; in emac_get_msglevel()
347 struct emac_board_info *db = netdev_priv(dev); in emac_set_msglevel() local
349 db->msg_enable = value; in emac_set_msglevel()
363 struct emac_board_info *db = netdev_priv(ndev); in emac_setup() local
367 reg_val = readl(db->membase + EMAC_TX_MODE_REG); in emac_setup()
370 db->membase + EMAC_TX_MODE_REG); in emac_setup()
374 reg_val = readl(db->membase + EMAC_MAC_CTL0_REG); in emac_setup()
377 db->membase + EMAC_MAC_CTL0_REG); in emac_setup()
380 reg_val = readl(db->membase + EMAC_MAC_CTL1_REG); in emac_setup()
384 writel(reg_val, db->membase + EMAC_MAC_CTL1_REG); in emac_setup()
387 writel(EMAC_MAC_IPGT_FULL_DUPLEX, db->membase + EMAC_MAC_IPGT_REG); in emac_setup()
391 db->membase + EMAC_MAC_IPGR_REG); in emac_setup()
395 db->membase + EMAC_MAC_CLRT_REG); in emac_setup()
399 db->membase + EMAC_MAC_MAXF_REG); in emac_setup()
406 struct emac_board_info *db = netdev_priv(ndev); in emac_set_rx_mode() local
410 reg_val = readl(db->membase + EMAC_RX_CTL_REG); in emac_set_rx_mode()
421 db->membase + EMAC_RX_CTL_REG); in emac_set_rx_mode()
426 struct emac_board_info *db = netdev_priv(ndev); in emac_powerup() local
431 reg_val = readl(db->membase + EMAC_RX_CTL_REG); in emac_powerup()
433 writel(reg_val, db->membase + EMAC_RX_CTL_REG); in emac_powerup()
438 reg_val = readl(db->membase + EMAC_MAC_CTL0_REG); in emac_powerup()
440 writel(reg_val, db->membase + EMAC_MAC_CTL0_REG); in emac_powerup()
443 reg_val = readl(db->membase + EMAC_MAC_MCFG_REG); in emac_powerup()
446 writel(reg_val, db->membase + EMAC_MAC_MCFG_REG); in emac_powerup()
449 writel(0x0, db->membase + EMAC_RX_FBC_REG); in emac_powerup()
452 writel(0, db->membase + EMAC_INT_CTL_REG); in emac_powerup()
453 reg_val = readl(db->membase + EMAC_INT_STA_REG); in emac_powerup()
454 writel(reg_val, db->membase + EMAC_INT_STA_REG); in emac_powerup()
463 dev_addr[2], db->membase + EMAC_MAC_A1_REG); in emac_powerup()
465 dev_addr[5], db->membase + EMAC_MAC_A0_REG); in emac_powerup()
475 struct emac_board_info *db = netdev_priv(dev); in emac_set_mac_address() local
483 dev_addr[2], db->membase + EMAC_MAC_A1_REG); in emac_set_mac_address()
485 dev_addr[5], db->membase + EMAC_MAC_A0_REG); in emac_set_mac_address()
493 struct emac_board_info *db = netdev_priv(dev); in emac_init_device() local
497 spin_lock_irqsave(&db->lock, flags); in emac_init_device()
503 reg_val = readl(db->membase + EMAC_CTL_REG); in emac_init_device()
505 db->membase + EMAC_CTL_REG); in emac_init_device()
508 reg_val = readl(db->membase + EMAC_INT_CTL_REG); in emac_init_device()
510 writel(reg_val, db->membase + EMAC_INT_CTL_REG); in emac_init_device()
512 spin_unlock_irqrestore(&db->lock, flags); in emac_init_device()
518 struct emac_board_info *db = netdev_priv(dev); in emac_timeout() local
521 if (netif_msg_timer(db)) in emac_timeout()
522 dev_err(db->dev, "tx time out.\n"); in emac_timeout()
525 spin_lock_irqsave(&db->lock, flags); in emac_timeout()
528 emac_reset(db); in emac_timeout()
535 spin_unlock_irqrestore(&db->lock, flags); in emac_timeout()
543 struct emac_board_info *db = netdev_priv(dev); in emac_start_xmit() local
547 channel = db->tx_fifo_stat & 3; in emac_start_xmit()
553 spin_lock_irqsave(&db->lock, flags); in emac_start_xmit()
555 writel(channel, db->membase + EMAC_TX_INS_REG); in emac_start_xmit()
557 emac_outblk_32bit(db->membase + EMAC_TX_IO_DATA_REG, in emac_start_xmit()
561 db->tx_fifo_stat |= 1 << channel; in emac_start_xmit()
565 writel(skb->len, db->membase + EMAC_TX_PL0_REG); in emac_start_xmit()
567 writel(readl(db->membase + EMAC_TX_CTL0_REG) | 1, in emac_start_xmit()
568 db->membase + EMAC_TX_CTL0_REG); in emac_start_xmit()
574 writel(skb->len, db->membase + EMAC_TX_PL1_REG); in emac_start_xmit()
576 writel(readl(db->membase + EMAC_TX_CTL1_REG) | 1, in emac_start_xmit()
577 db->membase + EMAC_TX_CTL1_REG); in emac_start_xmit()
583 if ((db->tx_fifo_stat & 3) == 3) { in emac_start_xmit()
588 spin_unlock_irqrestore(&db->lock, flags); in emac_start_xmit()
599 static void emac_tx_done(struct net_device *dev, struct emac_board_info *db, in emac_tx_done() argument
603 db->tx_fifo_stat &= ~(tx_status & 3); in emac_tx_done()
609 if (netif_msg_tx_done(db)) in emac_tx_done()
610 dev_dbg(db->dev, "tx done, NSR %02x\n", tx_status); in emac_tx_done()
619 struct emac_board_info *db = netdev_priv(dev); in emac_rx() local
632 rxcount = readl(db->membase + EMAC_RX_FBC_REG); in emac_rx()
634 if (netif_msg_rx_status(db)) in emac_rx()
635 dev_dbg(db->dev, "RXCount: %x\n", rxcount); in emac_rx()
638 db->emacrx_completed_flag = 1; in emac_rx()
639 reg_val = readl(db->membase + EMAC_INT_CTL_REG); in emac_rx()
643 writel(reg_val, db->membase + EMAC_INT_CTL_REG); in emac_rx()
646 rxcount = readl(db->membase + EMAC_RX_FBC_REG); in emac_rx()
651 reg_val = readl(db->membase + EMAC_RX_IO_DATA_REG); in emac_rx()
652 if (netif_msg_rx_status(db)) in emac_rx()
653 dev_dbg(db->dev, "receive header: %x\n", reg_val); in emac_rx()
656 reg_val = readl(db->membase + EMAC_CTL_REG); in emac_rx()
658 db->membase + EMAC_CTL_REG); in emac_rx()
661 reg_val = readl(db->membase + EMAC_RX_CTL_REG); in emac_rx()
663 db->membase + EMAC_RX_CTL_REG); in emac_rx()
666 reg_val = readl(db->membase + EMAC_RX_CTL_REG); in emac_rx()
670 reg_val = readl(db->membase + EMAC_CTL_REG); in emac_rx()
672 db->membase + EMAC_CTL_REG); in emac_rx()
673 reg_val = readl(db->membase + EMAC_INT_CTL_REG); in emac_rx()
677 writel(reg_val, db->membase + EMAC_INT_CTL_REG); in emac_rx()
679 db->emacrx_completed_flag = 1; in emac_rx()
687 rxhdr = readl(db->membase + EMAC_RX_IO_DATA_REG); in emac_rx()
689 if (netif_msg_rx_status(db)) in emac_rx()
690 dev_dbg(db->dev, "rxhdr: %x\n", *((int *)(&rxhdr))); in emac_rx()
695 if (netif_msg_rx_status(db)) in emac_rx()
696 dev_dbg(db->dev, "RX: status %02x, length %04x\n", in emac_rx()
702 if (netif_msg_rx_err(db)) in emac_rx()
703 dev_dbg(db->dev, "RX: Bad Packet (runt)\n"); in emac_rx()
710 if (netif_msg_rx_err(db)) in emac_rx()
711 dev_dbg(db->dev, "crc error\n"); in emac_rx()
716 if (netif_msg_rx_err(db)) in emac_rx()
717 dev_dbg(db->dev, "length error\n"); in emac_rx()
731 if (netif_msg_rx_status(db)) in emac_rx()
732 dev_dbg(db->dev, "RxLen %x\n", rxlen); in emac_rx()
734 if (rxlen >= dev->mtu && db->rx_chan) { in emac_rx()
735 reg_val = readl(db->membase + EMAC_RX_CTL_REG); in emac_rx()
737 writel(reg_val, db->membase + EMAC_RX_CTL_REG); in emac_rx()
738 if (!emac_dma_inblk_32bit(db, skb, rdptr, rxlen)) in emac_rx()
742 reg_val = readl(db->membase + EMAC_RX_CTL_REG); in emac_rx()
744 writel(reg_val, db->membase + EMAC_RX_CTL_REG); in emac_rx()
747 emac_inblk_32bit(db->membase + EMAC_RX_IO_DATA_REG, in emac_rx()
762 struct emac_board_info *db = netdev_priv(dev); in emac_interrupt() local
768 spin_lock(&db->lock); in emac_interrupt()
771 writel(0, db->membase + EMAC_INT_CTL_REG); in emac_interrupt()
775 int_status = readl(db->membase + EMAC_INT_STA_REG); in emac_interrupt()
777 writel(int_status, db->membase + EMAC_INT_STA_REG); in emac_interrupt()
779 if (netif_msg_intr(db)) in emac_interrupt()
780 dev_dbg(db->dev, "emac interrupt %02x\n", int_status); in emac_interrupt()
783 if ((int_status & 0x100) && (db->emacrx_completed_flag == 1)) { in emac_interrupt()
785 db->emacrx_completed_flag = 0; in emac_interrupt()
791 emac_tx_done(dev, db, int_status); in emac_interrupt()
797 if (db->emacrx_completed_flag == 1) { in emac_interrupt()
798 reg_val = readl(db->membase + EMAC_INT_CTL_REG); in emac_interrupt()
800 writel(reg_val, db->membase + EMAC_INT_CTL_REG); in emac_interrupt()
802 reg_val = readl(db->membase + EMAC_INT_CTL_REG); in emac_interrupt()
804 writel(reg_val, db->membase + EMAC_INT_CTL_REG); in emac_interrupt()
807 spin_unlock(&db->lock); in emac_interrupt()
829 struct emac_board_info *db = netdev_priv(dev); in emac_open() local
832 if (netif_msg_ifup(db)) in emac_open()
833 dev_dbg(db->dev, "enabling %s\n", dev->name); in emac_open()
839 emac_reset(db); in emac_open()
858 struct emac_board_info *db = netdev_priv(dev); in emac_shutdown() local
861 writel(0, db->membase + EMAC_INT_CTL_REG); in emac_shutdown()
864 reg_val = readl(db->membase + EMAC_INT_STA_REG); in emac_shutdown()
865 writel(reg_val, db->membase + EMAC_INT_STA_REG); in emac_shutdown()
868 reg_val = readl(db->membase + EMAC_CTL_REG); in emac_shutdown()
870 writel(reg_val, db->membase + EMAC_CTL_REG); in emac_shutdown()
878 struct emac_board_info *db = netdev_priv(ndev); in emac_stop() local
880 if (netif_msg_ifdown(db)) in emac_stop()
881 dev_dbg(db->dev, "shutting down %s\n", ndev->name); in emac_stop()
911 static int emac_configure_dma(struct emac_board_info *db) in emac_configure_dma() argument
913 struct platform_device *pdev = db->pdev; in emac_configure_dma()
914 struct net_device *ndev = db->ndev; in emac_configure_dma()
928 db->emac_rx_fifo = regs->start + EMAC_RX_IO_DATA_REG; in emac_configure_dma()
930 db->rx_chan = dma_request_chan(&pdev->dev, "rx"); in emac_configure_dma()
931 if (IS_ERR(db->rx_chan)) { in emac_configure_dma()
934 err = PTR_ERR(db->rx_chan); in emac_configure_dma()
941 conf.src_addr = db->emac_rx_fifo; in emac_configure_dma()
946 err = dmaengine_slave_config(db->rx_chan, &conf); in emac_configure_dma()
956 dma_release_channel(db->rx_chan); in emac_configure_dma()
959 db->rx_chan = NULL; in emac_configure_dma()
968 struct emac_board_info *db; in emac_probe() local
980 db = netdev_priv(ndev); in emac_probe()
982 db->dev = &pdev->dev; in emac_probe()
983 db->ndev = ndev; in emac_probe()
984 db->pdev = pdev; in emac_probe()
985 db->msg_enable = netif_msg_init(debug, EMAC_DEFAULT_MSG_ENABLE); in emac_probe()
987 spin_lock_init(&db->lock); in emac_probe()
989 db->membase = of_iomap(np, 0); in emac_probe()
990 if (!db->membase) { in emac_probe()
997 ndev->base_addr = (unsigned long)db->membase; in emac_probe()
1005 if (emac_configure_dma(db)) in emac_probe()
1008 db->clk = devm_clk_get(&pdev->dev, NULL); in emac_probe()
1009 if (IS_ERR(db->clk)) { in emac_probe()
1010 ret = PTR_ERR(db->clk); in emac_probe()
1014 ret = clk_prepare_enable(db->clk); in emac_probe()
1026 db->phy_node = of_parse_phandle(np, "phy-handle", 0); in emac_probe()
1027 if (!db->phy_node) in emac_probe()
1028 db->phy_node = of_parse_phandle(np, "phy", 0); in emac_probe()
1029 if (!db->phy_node) { in emac_probe()
1044 db->emacrx_completed_flag = 1; in emac_probe()
1046 emac_reset(db); in emac_probe()
1065 ndev->name, db->membase, ndev->irq, ndev->dev_addr); in emac_probe()
1072 clk_disable_unprepare(db->clk); in emac_probe()
1075 dma_release_channel(db->rx_chan); in emac_probe()
1077 iounmap(db->membase); in emac_probe()
1079 dev_err(db->dev, "not found (%d).\n", ret); in emac_probe()
1089 struct emac_board_info *db = netdev_priv(ndev); in emac_remove() local
1091 if (db->rx_chan) { in emac_remove()
1092 dmaengine_terminate_all(db->rx_chan); in emac_remove()
1093 dma_release_channel(db->rx_chan); in emac_remove()
1098 clk_disable_unprepare(db->clk); in emac_remove()
1100 iounmap(db->membase); in emac_remove()
1121 struct emac_board_info *db = netdev_priv(ndev); in emac_resume() local
1123 emac_reset(db); in emac_resume()