diff options
| -rw-r--r-- | drivers/net/gianfar.c | 364 | ||||
| -rw-r--r-- | drivers/net/gianfar.h | 38 | ||||
| -rw-r--r-- | drivers/net/gianfar_ethtool.c | 14 | ||||
| -rw-r--r-- | drivers/net/gianfar_sysfs.c | 34 |
4 files changed, 250 insertions, 200 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 354b2b5936ea..fa0188ea9233 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -151,7 +151,6 @@ MODULE_LICENSE("GPL"); static void gfar_init_rxbdp(struct gfar_priv_rx_q *rx_queue, struct rxbd8 *bdp, dma_addr_t buf) { - struct net_device *dev = rx_queue->dev; u32 lstatus; bdp->bufPtr = buf; @@ -290,9 +289,9 @@ cleanup: static void gfar_init_mac(struct net_device *ndev) { struct gfar_private *priv = netdev_priv(ndev); - struct gfar __iomem *regs = priv->regs; struct gfar_priv_tx_q *tx_queue = NULL; struct gfar_priv_rx_q *rx_queue = NULL; + struct gfar __iomem *regs = priv->gfargrp.regs; u32 rctrl = 0; u32 tctrl = 0; u32 attrs = 0; @@ -407,24 +406,25 @@ static int gfar_of_init(struct net_device *dev) /* get a pointer to the register memory */ addr = of_translate_address(np, of_get_address(np, 0, &size, NULL)); - priv->regs = ioremap(addr, size); + priv->gfargrp.regs = ioremap(addr, size); - if (priv->regs == NULL) + if (priv->gfargrp.regs == NULL) return -ENOMEM; - priv->interruptTransmit = irq_of_parse_and_map(np, 0); + priv->gfargrp.priv = priv; /* back pointer from group to priv */ + priv->gfargrp.interruptTransmit = irq_of_parse_and_map(np, 0); model = of_get_property(np, "model", NULL); /* If we aren't the FEC we have multiple interrupts */ if (model && strcasecmp(model, "FEC")) { - priv->interruptReceive = irq_of_parse_and_map(np, 1); + priv->gfargrp.interruptReceive = irq_of_parse_and_map(np, 1); - priv->interruptError = irq_of_parse_and_map(np, 2); + priv->gfargrp.interruptError = irq_of_parse_and_map(np, 2); - if (priv->interruptTransmit < 0 || - priv->interruptReceive < 0 || - priv->interruptError < 0) { + if (priv->gfargrp.interruptTransmit < 0 || + priv->gfargrp.interruptReceive < 0 || + priv->gfargrp.interruptError < 0) { err = -EINVAL; goto err_out; } @@ -491,7 +491,7 @@ static int gfar_of_init(struct net_device *dev) return 0; err_out: - iounmap(priv->regs); + iounmap(priv->gfargrp.regs); return err; } @@ -517,6 +517,7 @@ static int gfar_probe(struct of_device *ofdev, u32 tempval; struct net_device *dev = NULL; struct gfar_private *priv = NULL; + struct gfar __iomem *regs = NULL; int err = 0; int len_devname; @@ -549,32 +550,34 @@ static int gfar_probe(struct of_device *ofdev, spin_lock_init(&priv->tx_queue->txlock); spin_lock_init(&priv->rx_queue->rxlock); + spin_lock_init(&priv->gfargrp.grplock); spin_lock_init(&priv->bflock); INIT_WORK(&priv->reset_task, gfar_reset_task); dev_set_drvdata(&ofdev->dev, priv); + regs = priv->gfargrp.regs; /* Stop the DMA engine now, in case it was running before */ /* (The firmware could have used it, and left it running). */ gfar_halt(dev); /* Reset MAC layer */ - gfar_write(&priv->regs->maccfg1, MACCFG1_SOFT_RESET); + gfar_write(®s->maccfg1, MACCFG1_SOFT_RESET); /* We need to delay at least 3 TX clocks */ udelay(2); tempval = (MACCFG1_TX_FLOW | MACCFG1_RX_FLOW); - gfar_write(&priv->regs->maccfg1, tempval); + gfar_write(®s->maccfg1, tempval); /* Initialize MACCFG2. */ - gfar_write(&priv->regs->maccfg2, MACCFG2_INIT_SETTINGS); + gfar_write(®s->maccfg2, MACCFG2_INIT_SETTINGS); /* Initialize ECNTRL */ - gfar_write(&priv->regs->ecntrl, ECNTRL_INIT_SETTINGS); + gfar_write(®s->ecntrl, ECNTRL_INIT_SETTINGS); /* Set the dev->base_addr to the gfar reg region */ - dev->base_addr = (unsigned long) (priv->regs); + dev->base_addr = (unsigned long) regs; SET_NETDEV_DEV(dev, &ofdev->dev); @@ -602,35 +605,35 @@ static int gfar_probe(struct of_device *ofdev, priv->extended_hash = 1; priv->hash_width = 9; - priv->hash_regs[0] = &priv->regs->igaddr0; - priv->hash_regs[1] = &priv->regs->igaddr1; - priv->hash_regs[2] = &priv->regs->igaddr2; - priv->hash_regs[3] = &priv->regs->igaddr3; - priv->hash_regs[4] = &priv->regs->igaddr4; - priv->hash_regs[5] = &priv->regs->igaddr5; - priv->hash_regs[6] = &priv->regs->igaddr6; - priv->hash_regs[7] = &priv->regs->igaddr7; - priv->hash_regs[8] = &priv->regs->gaddr0; - priv->hash_regs[9] = &priv->regs->gaddr1; - priv->hash_regs[10] = &priv->regs->gaddr2; - priv->hash_regs[11] = &priv->regs->gaddr3; - priv->hash_regs[12] = &priv->regs->gaddr4; - priv->hash_regs[13] = &priv->regs->gaddr5; - priv->hash_regs[14] = &priv->regs->gaddr6; - priv->hash_regs[15] = &priv->regs->gaddr7; + priv->hash_regs[0] = ®s->igaddr0; + priv->hash_regs[1] = ®s->igaddr1; + priv->hash_regs[2] = ®s->igaddr2; + priv->hash_regs[3] = ®s->igaddr3; + priv->hash_regs[4] = ®s->igaddr4; + priv->hash_regs[5] = ®s->igaddr5; + priv->hash_regs[6] = ®s->igaddr6; + priv->hash_regs[7] = ®s->igaddr7; + priv->hash_regs[8] = ®s->gaddr0; + priv->hash_regs[9] = ®s->gaddr1; + priv->hash_regs[10] = ®s->gaddr2; + priv->hash_regs[11] = ®s->gaddr3; + priv->hash_regs[12] = ®s->gaddr4; + priv->hash_regs[13] = ®s->gaddr5; + priv->hash_regs[14] = ®s->gaddr6; + priv->hash_regs[15] = ®s->gaddr7; } else { priv->extended_hash = 0; priv->hash_width = 8; - priv->hash_regs[0] = &priv->regs->gaddr0; - priv->hash_regs[1] = &priv->regs->gaddr1; - priv->hash_regs[2] = &priv->regs->gaddr2; - priv->hash_regs[3] = &priv->regs->gaddr3; - priv->hash_regs[4] = &priv->regs->gaddr4; - priv->hash_regs[5] = &priv->regs->gaddr5; - priv->hash_regs[6] = &priv->regs->gaddr6; - priv->hash_regs[7] = &priv->regs->gaddr7; + priv->hash_regs[0] = ®s->gaddr0; + priv->hash_regs[1] = ®s->gaddr1; + priv->hash_regs[2] = ®s->gaddr2; + priv->hash_regs[3] = ®s->gaddr3; + priv->hash_regs[4] = ®s->gaddr4; + priv->hash_regs[5] = ®s->gaddr5; + priv->hash_regs[6] = ®s->gaddr6; + priv->hash_regs[7] = ®s->gaddr7; } if (priv->device_flags & FSL_GIANFAR_DEV_HAS_PADDING) @@ -672,20 +675,20 @@ static int gfar_probe(struct of_device *ofdev, /* fill out IRQ number and name fields */ len_devname = strlen(dev->name); - strncpy(&priv->int_name_tx[0], dev->name, len_devname); + strncpy(&priv->gfargrp.int_name_tx[0], dev->name, len_devname); if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) { - strncpy(&priv->int_name_tx[len_devname], + strncpy(&priv->gfargrp.int_name_tx[len_devname], "_tx", sizeof("_tx") + 1); - strncpy(&priv->int_name_rx[0], dev->name, len_devname); - strncpy(&priv->int_name_rx[len_devname], + strncpy(&priv->gfargrp.int_name_rx[0], dev->name, len_devname); + strncpy(&priv->gfargrp.int_name_rx[len_devname], "_rx", sizeof("_rx") + 1); - strncpy(&priv->int_name_er[0], dev->name, len_devname); - strncpy(&priv->int_name_er[len_devname], + strncpy(&priv->gfargrp.int_name_er[0], dev->name, len_devname); + strncpy(&priv->gfargrp.int_name_er[len_devname], "_er", sizeof("_er") + 1); } else - priv->int_name_tx[len_devname] = '\0'; + priv->gfargrp.int_name_tx[len_devname] = '\0'; /* Create all the sysfs files */ gfar_init_sysfs(dev); @@ -702,7 +705,7 @@ static int gfar_probe(struct of_device *ofdev, return 0; register_fail: - iounmap(priv->regs); + iounmap(priv->gfargrp.regs); kfree(priv->rx_queue); rx_queue_fail: kfree(priv->tx_queue); @@ -727,7 +730,7 @@ static int gfar_remove(struct of_device *ofdev) dev_set_drvdata(&ofdev->dev, NULL); unregister_netdev(priv->ndev); - iounmap(priv->regs); + iounmap(priv->gfargrp.regs); free_netdev(priv->ndev); return 0; @@ -741,6 +744,7 @@ static int gfar_suspend(struct device *dev) struct net_device *ndev = priv->ndev; struct gfar_priv_tx_q *tx_queue = NULL; struct gfar_priv_rx_q *rx_queue = NULL; + struct gfar __iomem *regs = NULL; unsigned long flags; u32 tempval; @@ -750,6 +754,7 @@ static int gfar_suspend(struct device *dev) netif_device_detach(ndev); tx_queue = priv->tx_queue; rx_queue = priv->rx_queue; + regs = priv->gfargrp.regs; if (netif_running(ndev)) { spin_lock_irqsave(&tx_queue->txlock, flags); @@ -758,14 +763,14 @@ static int gfar_suspend(struct device *dev) gfar_halt_nodisable(ndev); /* Disable Tx, and Rx if wake-on-LAN is disabled. */ - tempval = gfar_read(&priv->regs->maccfg1); + tempval = gfar_read(®s->maccfg1); tempval &= ~MACCFG1_TX_EN; if (!magic_packet) tempval &= ~MACCFG1_RX_EN; - gfar_write(&priv->regs->maccfg1, tempval); + gfar_write(®s->maccfg1, tempval); spin_unlock(&rx_queue->rxlock); spin_unlock_irqrestore(&tx_queue->txlock, flags); @@ -774,12 +779,12 @@ static int gfar_suspend(struct device *dev) if (magic_packet) { /* Enable interrupt on Magic Packet */ - gfar_write(&priv->regs->imask, IMASK_MAG); + gfar_write(®s->imask, IMASK_MAG); /* Enable Magic Packet mode */ - tempval = gfar_read(&priv->regs->maccfg2); + tempval = gfar_read(®s->maccfg2); tempval |= MACCFG2_MPEN; - gfar_write(&priv->regs->maccfg2, tempval); + gfar_write(®s->maccfg2, tempval); } else { phy_stop(priv->phydev); } @@ -794,6 +799,7 @@ static int gfar_resume(struct device *dev) struct net_device *ndev = priv->ndev; struct gfar_priv_tx_q *tx_queue = NULL; struct gfar_priv_rx_q *rx_queue = NULL; + struct gfar __iomem *regs = NULL; unsigned long flags; u32 tempval; int magic_packet = priv->wol_en && @@ -812,13 +818,14 @@ static int gfar_resume(struct device *dev) */ rx_queue = priv->rx_queue; tx_queue = priv->tx_queue; + regs = priv->gfargrp.regs; spin_lock_irqsave(&tx_queue->txlock, flags); spin_lock(&rx_queue->rxlock); - tempval = gfar_read(&priv->regs->maccfg2); + tempval = gfar_read(®s->maccfg2); tempval &= ~MACCFG2_MPEN; - gfar_write(&priv->regs->maccfg2, tempval); + gfar_write(®s->maccfg2, tempval); gfar_start(ndev); @@ -893,7 +900,11 @@ static int gfar_legacy_resume(struct of_device *ofdev) static phy_interface_t gfar_get_interface(struct net_device *dev) { struct gfar_private *priv = netdev_priv(dev); - u32 ecntrl = gfar_read(&priv->regs->ecntrl); + struct gfar __iomem *regs = NULL; + u32 ecntrl; + + regs = priv->gfargrp.regs; + ecntrl = gfar_read(®s->ecntrl); if (ecntrl & ECNTRL_SGMII_MODE) return PHY_INTERFACE_MODE_SGMII; @@ -1015,46 +1026,48 @@ static void gfar_configure_serdes(struct net_device *dev) static void init_registers(struct net_device *dev) { struct gfar_private *priv = netdev_priv(dev); + struct gfar __iomem *regs = NULL; + regs = priv->gfargrp.regs; /* Clear IEVENT */ - gfar_write(&priv->regs->ievent, IEVENT_INIT_CLEAR); + gfar_write(®s->ievent, IEVENT_INIT_CLEAR); /* Initialize IMASK */ - gfar_write(&priv->regs->imask, IMASK_INIT_CLEAR); + gfar_write(®s->imask, IMASK_INIT_CLEAR); /* Init hash registers to zero */ - gfar_write(&priv->regs->igaddr0, 0); - gfar_write(&priv->regs->igaddr1, 0); - gfar_write(&priv->regs->igaddr2, 0); - gfar_write(&priv->regs->igaddr3, 0); - gfar_write(&priv->regs->igaddr4, 0); - gfar_write(&priv->regs->igaddr5, 0); - gfar_write(&priv->regs->igaddr6, 0); - gfar_write(&priv->regs->igaddr7, 0); - - gfar_write(&priv->regs->gaddr0, 0); - gfar_write(&priv->regs->gaddr1, 0); - gfar_write(&priv->regs->gaddr2, 0); - gfar_write(&priv->regs->gaddr3, 0); - gfar_write(&priv->regs->gaddr4, 0); - gfar_write(&priv->regs->gaddr5, 0); - gfar_write(&priv->regs->gaddr6, 0); - gfar_write(&priv->regs->gaddr7, 0); + gfar_write(®s->igaddr0, 0); + gfar_write(®s->igaddr1, 0); + gfar_write(®s->igaddr2, 0); + gfar_write(®s->igaddr3, 0); + gfar_write(®s->igaddr4, 0); + gfar_write(®s->igaddr5, 0); + gfar_write(®s->igaddr6, 0); + gfar_write(®s->igaddr7, 0); + + gfar_write(®s->gaddr0, 0); + gfar_write(®s->gaddr1, 0); + gfar_write(®s->gaddr2, 0); + gfar_write(®s->gaddr3, 0); + gfar_write(®s->gaddr4, 0); + gfar_write(®s->gaddr5, 0); + gfar_write(®s->gaddr6, 0); + gfar_write(®s->gaddr7, 0); /* Zero out the rmon mib registers if it has them */ if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) { - memset_io(&(priv->regs->rmon), 0, sizeof (struct rmon_mib)); + memset_io(&(regs->rmon), 0, sizeof (struct rmon_mib)); /* Mask off the CAM interrupts */ - gfar_write(&priv->regs->rmon.cam1, 0xffffffff); - gfar_write(&priv->regs->rmon.cam2, 0xffffffff); + gfar_write(®s->rmon.cam1, 0xffffffff); + gfar_write(®s->rmon.cam2, 0xffffffff); } /* Initialize the max receive buffer length */ - gfar_write(&priv->regs->mrblr, priv->rx_buffer_size); + gfar_write(®s->mrblr, priv->rx_buffer_size); /* Initialize the Minimum Frame Length Register */ - gfar_write(&priv->regs->minflr, MINFLR_INIT_SETTINGS); + gfar_write(®s->minflr, MINFLR_INIT_SETTINGS); } @@ -1062,7 +1075,7 @@ static void init_registers(struct net_device *dev) static void gfar_halt_nodisable(struct net_device *dev) { struct gfar_private *priv = netdev_priv(dev); - struct gfar __iomem *regs = priv->regs; + struct gfar __iomem *regs = priv->gfargrp.regs; u32 tempval; /* Mask all interrupts */ @@ -1072,13 +1085,13 @@ static void gfar_halt_nodisable(struct net_device *dev) gfar_write(®s->ievent, IEVENT_INIT_CLEAR); /* Stop the DMA, and wait for it to stop */ - tempval = gfar_read(&priv->regs->dmactrl); + tempval = gfar_read(®s->dmactrl); if ((tempval & (DMACTRL_GRS | DMACTRL_GTS)) != (DMACTRL_GRS | DMACTRL_GTS)) { tempval |= (DMACTRL_GRS | DMACTRL_GTS); - gfar_write(&priv->regs->dmactrl, tempval); + gfar_write(®s->dmactrl, tempval); - while (!(gfar_read(&priv->regs->ievent) & + while (!(gfar_read(®s->ievent) & (IEVENT_GRSC | IEVENT_GTSC))) cpu_relax(); } @@ -1088,7 +1101,7 @@ static void gfar_halt_nodisable(struct net_device *dev) void gfar_halt(struct net_device *dev) { struct gfar_private *priv = netdev_priv(dev); - struct gfar __iomem *regs = priv->regs; + struct gfar __iomem *regs = priv->gfargrp.regs; u32 tempval; gfar_halt_nodisable(dev); @@ -1122,11 +1135,11 @@ void stop_gfar(struct net_device *dev) /* Free the IRQs */ if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) { - free_irq(priv->interruptError, dev); - free_irq(priv->interruptTransmit, dev); - free_irq(priv->interruptReceive, dev); + free_irq(priv->gfargrp.interruptError, &priv->gfargrp); + free_irq(priv->gfargrp.interruptTransmit, &priv->gfargrp); + free_irq(priv->gfargrp.interruptReceive, &priv->gfargrp); } else { - free_irq(priv->interruptTransmit, dev); + free_irq(priv->gfargrp.interruptTransmit, &priv->gfargrp); } free_skb_resources(priv); @@ -1201,9 +1214,7 @@ skip_rx_skbuff: void gfar_start(struct net_device *dev) { struct gfar_private *priv = netdev_priv(dev); - struct gfar_priv_tx_q *tx_queue; - struct gfar_priv_rx_q *rx_queue; - struct gfar __iomem *regs = priv->regs; + struct gfar __iomem *regs = priv->gfargrp.regs; u32 tempval; /* Enable Rx and Tx in MACCFG1 */ @@ -1212,14 +1223,14 @@ void gfar_start(struct net_device *dev) gfar_write(®s->maccfg1, tempval); /* Initialize DMACTRL to have WWR and WOP */ - tempval = gfar_read(&priv->regs->dmactrl); + tempval = gfar_read(®s->dmactrl); tempval |= DMACTRL_INIT_SETTINGS; - gfar_write(&priv->regs->dmactrl, tempval); + gfar_write(®s->dmactrl, tempval); /* Make sure we aren't stopped */ - tempval = gfar_read(&priv->regs->dmactrl); + tempval = gfar_read(®s->dmactrl); tempval &= ~(DMACTRL_GRS | DMACTRL_GTS); - gfar_write(&priv->regs->dmactrl, tempval); + gfar_write(®s->dmactrl, tempval); /* Clear THLT/RHLT, so that the DMA starts polling now */ gfar_write(®s->tstat, TSTAT_CLEAR_THALT); @@ -1235,7 +1246,7 @@ void gfar_start(struct net_device *dev) int startup_gfar(struct net_device *ndev) { struct gfar_private *priv = netdev_priv(ndev); - struct gfar __iomem *regs = priv->regs; + struct gfar __iomem *regs = priv->gfargrp.regs; int err; gfar_write(®s->imask, IMASK_INIT_CLEAR); @@ -1251,39 +1262,46 @@ int startup_gfar(struct net_device *ndev) if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) { /* Install our interrupt handlers for Error, * Transmit, and Receive */ - err = request_irq(priv->interruptError, gfar_error, 0, - priv->int_name_er, ndev); + err = request_irq(priv->gfargrp.interruptError, gfar_error, 0, + priv->gfargrp.int_name_er, &priv->gfargrp); if (err) { if (netif_msg_intr(priv)) pr_err("%s: Can't get IRQ %d\n", ndev->name, - priv->interruptError); + priv->gfargrp.interruptError); goto err_irq_fail; } - err = request_irq(priv->interruptTransmit, gfar_transmit, 0, - priv->int_name_tx, ndev); + err = request_irq(priv->gfargrp.interruptTransmit, + gfar_transmit, 0, + priv->gfargrp.int_name_tx, + &priv->gfargrp); if (err) { if (netif_msg_intr(priv)) pr_err("%s: Can't get IRQ %d\n", ndev->name, - priv->interruptTransmit); + priv->gfargrp.interruptTransmit); goto tx_irq_fail; } - err = request_irq(priv->interruptReceive, gfar_receive, 0, - priv->int_name_rx, ndev); + err = request_irq(priv->gfargrp.interruptReceive, + gfar_receive, 0, + priv->gfargrp.int_name_rx, + &priv->gfargrp); if (err) { if (netif_msg_intr(priv)) pr_err("%s: Can't get IRQ %d (receive0)\n", - ndev->name, priv->interruptReceive); + ndev->name, + priv->gfargrp.interruptReceive); goto rx_irq_fail; } } else { - err = request_irq(priv->interruptTransmit, gfar_interrupt, - 0, priv->int_name_tx, ndev); + err = request_irq(priv->gfargrp.interruptTransmit, + gfar_interrupt, 0, + priv->gfargrp.int_name_tx, + &priv->gfargrp); if (err) { if (netif_msg_intr(priv)) pr_err("%s: Can't get IRQ %d\n", ndev->name, - priv->interruptTransmit); + priv->gfargrp.interruptTransmit); goto err_irq_fail; } } @@ -1296,9 +1314,9 @@ int startup_gfar(struct net_device *ndev) return 0; rx_irq_fail: - free_irq(priv->interruptTransmit, ndev); + free_irq(priv->gfargrp.interruptTransmit, &priv->gfargrp); tx_irq_fail: - free_irq(priv->interruptError, ndev); + free_irq(priv->gfargrp.interruptError, &priv->gfargrp); err_irq_fail: free_skb_resources(priv); return err; @@ -1403,6 +1421,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct gfar_private *priv = netdev_priv(dev); struct gfar_priv_tx_q *tx_queue = NULL; + struct gfar __iomem *regs = NULL; struct txfcb *fcb = NULL; struct txbd8 *txbdp, *txbdp_start, *base; u32 lstatus; @@ -1413,6 +1432,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) tx_queue = priv->tx_queue; base = tx_queue->tx_bd_base; + regs = priv->gfargrp.regs; /* make space for additional header when fcb is needed */ if (((skb->ip_summed == CHECKSUM_PARTIAL) || @@ -1536,7 +1556,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) } /* Tell the DMA to go go go */ - gfar_write(&priv->regs->tstat, TSTAT_CLEAR_THALT); + gfar_write(®s->tstat, TSTAT_CLEAR_THALT); /* Unlock priv */ spin_unlock_irqrestore(&tx_queue->txlock, flags); @@ -1579,40 +1599,42 @@ static void gfar_vlan_rx_register(struct net_device *dev, { struct gfar_private *priv = netdev_priv(dev); struct gfar_priv_rx_q *rx_queue = NULL; + struct gfar __iomem *regs = NULL; unsigned long flags; u32 tempval; rx_queue = priv->rx_queue; + regs = priv->gfargrp.regs; spin_lock_irqsave(&rx_queue->rxlock, flags); priv->vlgrp = grp; if (grp) { /* Enable VLAN tag insertion */ - tempval = gfar_read(&priv->regs->tctrl); + tempval = gfar_read(®s->tctrl); tempval |= TCTRL_VLINS; - gfar_write(&priv->regs->tctrl, tempval); + gfar_write(®s->tctrl, tempval); /* Enable VLAN tag extraction */ - tempval = gfar_read(&priv->regs->rctrl); + tempval = gfar_read(®s->rctrl); tempval |= (RCTRL_VLEX | RCTRL_PRSDEP_INIT); - gfar_write(&priv->regs->rctrl, tempval); + gfar_write(®s->rctrl, tempval); } else { /* Disable VLAN tag insertion */ - tempval = gfar_read(&priv->regs->tctrl); + tempval = gfar_read(®s->tctrl); tempval &= ~TCTRL_VLINS; - gfar_write(&priv->regs->tctrl, tempval); + gfar_write(®s->tctrl, tempval); /* Disable VLAN tag extraction */ - tempval = gfar_read(&priv->regs->rctrl); + tempval = gfar_read(®s->rctrl); tempval &= ~RCTRL_VLEX; /* If parse is no longer required, then disable parser */ if (tempval & RCTRL_REQ_PARSER) tempval |= RCTRL_PRSDEP_INIT; else tempval &= ~RCTRL_PRSDEP_INIT; - gfar_write(&priv->regs->rctrl, tempval); + gfar_write(®s->rctrl, tempval); } gfar_change_mtu(dev, dev->mtu); @@ -1624,6 +1646,7 @@ static int gfar_change_mtu(struct net_device *dev, int new_mtu) { int tempsize, tempval; struct gfar_private *priv = netdev_priv(dev); + struct gfar __iomem *regs = priv->gfargrp.regs; int oldsize = priv->rx_buffer_size; int frame_size = new_mtu + ETH_HLEN; @@ -1655,20 +1678,20 @@ static int gfar_change_mtu(struct net_device *dev, int new_mtu) dev->mtu = new_mtu; - gfar_write(&priv->regs->mrblr, priv->rx_buffer_size); - gfar_write(&priv->regs->maxfrm, priv->rx_buffer_size); + gfar_write(®s->mrblr, priv->rx_buffer_size); + gfar_write(®s->maxfrm, priv->rx_buffer_size); /* If the mtu is larger than the max size for standard * ethernet frames (ie, a jumbo frame), then set maccfg2 * to allow huge frames, and to check the length */ - tempval = gfar_read(&priv->regs->maccfg2); + tempval = gfar_read(®s->maccfg2); if (priv->rx_buffer_size > DEFAULT_RX_BUFFER_SIZE) tempval |= (MACCFG2_HUGEFRAME | MACCFG2_LENGTHCHECK); else tempval &= ~(MACCFG2_HUGEFRAME | MACCFG2_LENGTHCHECK); - gfar_write(&priv->regs->maccfg2, tempval); + gfar_write(®s->maccfg2, tempval); if ((oldsize != tempsize) && (dev->flags & IFF_UP)) startup_gfar(dev); @@ -1787,9 +1810,9 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue) return howmany; } -static void gfar_schedule_cleanup(struct net_device *dev) +static void gfar_schedule_cleanup(struct gfar_priv_grp *gfargrp) { - struct gfar_private *priv = netdev_priv(dev); + struct gfar_private *priv = gfargrp->priv; struct gfar_priv_tx_q *tx_queue = NULL; struct gfar_priv_rx_q *rx_queue = NULL; unsigned long flags; @@ -1800,14 +1823,14 @@ static void gfar_schedule_cleanup(struct net_device *dev) spin_lock(&rx_queue->rxlock); if (napi_schedule_prep(&rx_queue->napi)) { - gfar_write(&priv->regs->imask, IMASK_RTX_DISABLED); + gfar_write(&gfargrp->regs->imask, IMASK_RTX_DISABLED); __napi_schedule(&rx_queue->napi); } else { /* * Clear IEVENT, so interrupts aren't called again * because of the packets that have already arrived. */ - gfar_write(&priv->regs->ievent, IEVENT_RTX_MASK); + gfar_write(&gfargrp->regs->ievent, IEVENT_RTX_MASK); } spin_unlock(&rx_queue->rxlock); @@ -1815,9 +1838,9 @@ static void gfar_schedule_cleanup(struct net_device *dev) } /* Interrupt Handler for Transmit complete */ -static irqreturn_t gfar_transmit(int irq, void *dev_id) +static irqreturn_t gfar_transmit(int irq, void *grp_id) { - gfar_schedule_cleanup((struct net_device *)dev_id); + gfar_schedule_cleanup((struct gfar_priv_grp *)grp_id); return IRQ_HANDLED; } @@ -1897,9 +1920,9 @@ static inline void count_errors(unsigned short status, struct net_device *dev) } } -irqreturn_t gfar_receive(int irq, void *dev_id) +irqreturn_t gfar_receive(int irq, void *grp_id) { - gfar_schedule_cleanup((struct net_device *)dev_id); + gfar_schedule_cleanup((struct gfar_priv_grp *)grp_id); return IRQ_HANDLED; } @@ -2053,6 +2076,7 @@ static int gfar_poll(struct napi_struct *napi, int budget) struct gfar_priv_rx_q, napi); struct net_device *dev = rx_queue->dev; struct gfar_private *priv = netdev_priv(dev); + struct gfar __iomem *regs = priv->gfargrp.regs; struct gfar_priv_tx_q *tx_queue = NULL; int tx_cleaned = 0; int rx_cleaned = 0; @@ -2060,7 +2084,7 @@ static int gfar_poll(struct napi_struct *napi, int budget) /* Clear IEVENT, so interrupts aren't called again * because of the packets that have already arrived */ - gfar_write(&priv->regs->ievent, IEVENT_RTX_MASK); + gfar_write(®s->ievent, IEVENT_RTX_MASK); tx_queue = priv->tx_queue; /* If we fail to get the lock, don't bother with the TX BDs */ @@ -2078,19 +2102,19 @@ static int gfar_poll(struct napi_struct *napi, int budget) napi_complete(napi); /* Clear the halt bit in RSTAT */ - gfar_write(&priv->regs->rstat, RSTAT_CLEAR_RHALT); + gfar_write(®s->rstat, RSTAT_CLEAR_RHALT); - gfar_write(&priv->regs->imask, IMASK_DEFAULT); + gfar_write(®s->imask, IMASK_DEFAULT); /* If we are coalescing interrupts, update the timer */ /* Otherwise, clear it */ if (likely(rx_queue->rxcoalescing)) { - gfar_write(&priv->regs->rxic, 0); - gfar_write(&priv->regs->rxic, rx_queue->rxic); + gfar_write(®s->rxic, 0); + gfar_write(®s->rxic, rx_queue->rxic); } if (likely(tx_queue->txcoalescing)) { - gfar_write(&priv->regs->txic, 0); - gfar_write(&priv->regs->txic, tx_queue->txic); + gfar_write(®s->txic, 0); + gfar_write(®s->txic, tx_queue->txic); } } @@ -2109,41 +2133,40 @@ static void gfar_netpoll(struct net_device *dev) /* If the device has multiple interrupts, run tx/rx */ if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) { - disable_irq(priv->interruptTransmit); - disable_irq(priv->interruptReceive); - disable_irq(priv->interruptError); - gfar_interrupt(priv->interruptTransmit, dev); - enable_irq(priv->interruptError); - enable_irq(priv->interruptReceive); - enable_irq(priv->interruptTransmit); + disable_irq(priv->gfargrp.interruptTransmit); + disable_irq(priv->gfargrp.interruptReceive); + disable_irq(priv->gfargrp.interruptError); + gfar_interrupt(priv->gfargrp.interruptTransmit, &priv->gfargrp); + enable_irq(priv->gfargrp.interruptError); + enable_irq(priv->gfargrp.interruptReceive); + enable_irq(priv->gfargrp.interruptTransmit); } else { - disable_irq(priv->interruptTransmit); - gfar_interrupt(priv->interruptTransmit, dev); - enable_irq(priv->interruptTransmit); + disable_irq(priv->gfargrp.interruptTransmit); + gfar_interrupt(priv->gfargrp.interruptTransmit, &priv->gfargrp); + enable_irq(priv->gfargrp.interruptTransmit); } } #endif /* The interrupt handler for devices with one interrupt */ -static irqreturn_t gfar_interrupt(int irq, void *dev_id) +static irqreturn_t gfar_interrupt(int irq, void *grp_id) { - struct net_device *dev = dev_id; - struct gfar_private *priv = netdev_priv(dev); + struct gfar_priv_grp *gfargrp = grp_id; /* Save ievent for future reference */ - u32 events = gfar_read(&priv->regs->ievent); + u32 events = gfar_read(&gfargrp->regs->ievent); /* Check for reception */ if (events & IEVENT_RX_MASK) - gfar_receive(irq, dev_id); + gfar_receive(irq, grp_id); /* Check for transmit completion */ if (events & IEVENT_TX_MASK) - gfar_transmit(irq, dev_id); + gfar_transmit(irq, grp_id); /* Check for errors */ if (events & IEVENT_ERR_MASK) - gfar_error(irq, dev_id); + gfar_error(irq, grp_id); return IRQ_HANDLED; } @@ -2158,7 +2181,7 @@ static void adjust_link(struct net_device *dev) { struct gfar_private *priv = netdev_priv(dev); struct gfar_priv_tx_q *tx_queue = NULL; - struct gfar __iomem *regs = priv->regs; + struct gfar __iomem *regs = priv->gfargrp.regs; unsigned long flags; struct phy_device *phydev = priv->phydev; int new_state = 0; @@ -2241,7 +2264,7 @@ static void gfar_set_multi(struct net_device *dev) { struct dev_mc_list *mc_ptr; struct gfar_private *priv = netdev_priv(dev); - struct gfar __iomem *regs = priv->regs; + struct gfar __iomem *regs = priv->gfargrp.regs; u32 tempval; if (dev->flags & IFF_PROMISC) { @@ -2374,10 +2397,11 @@ static void gfar_set_hash_for_addr(struct net_device *dev, u8 *addr) static void gfar_set_mac_for_addr(struct net_device *dev, int num, u8 *addr) { struct gfar_private *priv = netdev_priv(dev); + struct gfar __iomem *regs = priv->gfargrp.regs; int idx; char tmpbuf[MAC_ADDR_LEN]; u32 tempval; - u32 __iomem *macptr = &priv->regs->macstnaddr1; + u32 __iomem *macptr = ®s->macstnaddr1; macptr += num*2; @@ -2394,16 +2418,18 @@ static void gfar_set_mac_for_addr(struct net_device *dev, int num, u8 *addr) } /* GFAR error interrupt handler */ -static irqreturn_t gfar_error(int irq, void *dev_id) +static irqreturn_t gfar_error(int irq, void *grp_id) { - struct net_device *dev = dev_id; - struct gfar_private *priv = netdev_priv(dev); + struct gfar_priv_grp *gfargrp = grp_id; + struct gfar __iomem *regs = gfargrp->regs; + struct gfar_private *priv= gfargrp->priv; + struct net_device *dev = priv->ndev; /* Save ievent for future reference */ - u32 events = gfar_read(&priv->regs->ievent); + u32 events = gfar_read(®s->ievent); /* Clear IEVENT */ - gfar_write(&priv->regs->ievent, events & IEVENT_ERR_MASK); + gfar_write(®s->ievent, events & IEVENT_ERR_MASK); /* Magic Packet is not an error. */ if ((priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) && @@ -2413,7 +2439,7 @@ static irqreturn_t gfar_error(int irq, void *dev_id) /* Hmm... */ if (netif_msg_rx_err(priv) || netif_msg_tx_err(priv)) printk(KERN_DEBUG "%s: error interrupt (ievent=0x%08x imask=0x%08x)\n", - dev->name, events, gfar_read(&priv->regs->imask)); + dev->name, events, gfar_read(®s->imask)); /* Update the error counters */ if (events & IEVENT_TXE) { @@ -2431,7 +2457,7 @@ static irqreturn_t gfar_error(int irq, void *dev_id) priv->extra_stats.tx_underrun++; /* Reactivate the Tx Queues */ - gfar_write(&priv->regs->tstat, TSTAT_CLEAR_THALT); + gfar_write(®s->tstat, TSTAT_CLEAR_THALT); } if (netif_msg_tx_err(priv)) printk(KERN_DEBUG "%s: Transmit Error\n", dev->name); @@ -2440,11 +2466,11 @@ static irqreturn_t gfar_error(int irq, void *dev_id) dev->stats.rx_errors++; priv->extra_stats.rx_bsy++; - gfar_receive(irq, dev_id); + gfar_receive(irq, grp_id); if (netif_msg_rx_err(priv)) printk(KERN_DEBUG "%s: busy error (rstat: %x)\n", - dev->name, gfar_read(&priv->regs->rstat)); + dev->name, gfar_read(®s->rstat)); } if (events & IEVENT_BABR) { dev->stats.rx_errors++; diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h index a60f93f1ae07..79e8471584ea 100644 --- a/drivers/net/gianfar.h +++ b/drivers/net/gianfar.h @@ -770,6 +770,32 @@ struct gfar_priv_rx_q { unsigned long rxic; }; +/** + * struct gfar_priv_grp - per group structure + * @priv: back pointer to the priv structure + * @regs: the ioremapped register space for this group + * @grp_id: group id for this group + * @interruptTransmit: The TX interrupt number for this group + * @interruptReceive: The RX interrupt number for this group + * @interruptError: The ERROR interrupt number for this group + * @int_name_tx: tx interrupt name for this group + * @int_name_rx: rx interrupt name for this group + * @int_name_er: er interrupt name for this group + */ + +struct gfar_priv_grp { + spinlock_t grplock __attribute__ ((aligned (SMP_CACHE_BYTES))); + struct gfar_private *priv; + struct gfar __iomem *regs; + unsigned int interruptTransmit; + unsigned int interruptReceive; + unsigned int interruptError; + + char int_name_tx[GFAR_INT_NAME_MAX]; + char int_name_rx[GFAR_INT_NAME_MAX]; + char int_name_er[GFAR_INT_NAME_MAX]; +}; + /* Struct stolen almost completely (and shamelessly) from the FCC enet source * (Ok, that's not so true anymore, but there is a family resemblence) * The GFAR buffer descriptors track the ring buffers. The rx_bd_base @@ -785,6 +811,7 @@ struct gfar_private { struct net_device *ndev; struct of_device *ofdev; + struct gfar_priv_grp gfargrp; struct gfar_priv_tx_q *tx_queue; struct gfar_priv_rx_q *rx_queue; @@ -797,9 +824,6 @@ struct gfar_private { struct vlan_group *vlgrp; - /* Unprotected fields */ - /* Pointer to the GFAR memory mapped Registers */ - struct gfar __iomem *regs; /* Hash registers and their width */ u32 __iomem *hash_regs[16]; @@ -823,10 +847,6 @@ struct gfar_private { wol_en:1; /* Wake-on-LAN enabled */ unsigned short padding; - unsigned int interruptTransmit; - unsigned int interruptReceive; - unsigned int interruptError; - /* PHY stuff */ struct phy_device *phydev; struct mii_bus *mii_bus; @@ -838,10 +858,6 @@ struct gfar_private { struct work_struct reset_task; - char int_name_tx[GFAR_INT_NAME_MAX]; - char int_name_rx[GFAR_INT_NAME_MAX]; - char int_name_er[GFAR_INT_NAME_MAX]; - /* Network Statistics */ struct gfar_extra_stats extra_stats; }; diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c index 6d0d1714c2f2..c681b414767a 100644 --- a/drivers/net/gianfar_ethtool.c +++ b/drivers/net/gianfar_ethtool.c @@ -137,10 +137,11 @@ static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy, { int i; struct gfar_private *priv = netdev_priv(dev); + struct gfar __iomem *regs = priv->gfargrp.regs; u64 *extra = (u64 *) & priv->extra_stats; if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) { - u32 __iomem *rmon = (u32 __iomem *) & priv->regs->rmon; + u32 __iomem *rmon = (u32 __iomem *) ®s->rmon; struct gfar_stats *stats = (struct gfar_stats *) buf; for (i = 0; i < GFAR_RMON_LEN; i++) @@ -223,7 +224,7 @@ static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs, voi { int i; struct gfar_private *priv = netdev_priv(dev); - u32 __iomem *theregs = (u32 __iomem *) priv->regs; + u32 __iomem *theregs = (u32 __iomem *) priv->gfargrp.regs; u32 *buf = (u32 *) regbuf; for (i = 0; i < sizeof (struct gfar) / sizeof (u32); i++) @@ -349,6 +350,7 @@ static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals) { struct gfar_private *priv = netdev_priv(dev); + struct gfar __iomem *regs = priv->gfargrp.regs; struct gfar_priv_tx_q *tx_queue = NULL; struct gfar_priv_rx_q *rx_queue = NULL; @@ -407,13 +409,13 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals tx_queue->txic = mk_ic_value(cvals->tx_max_coalesced_frames, gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs)); - gfar_write(&priv->regs->rxic, 0); + gfar_write(®s->rxic, 0); if (rx_queue->rxcoalescing) - gfar_write(&priv->regs->rxic, rx_queue->rxic); + gfar_write(®s->rxic, rx_queue->rxic); - gfar_write(&priv->regs->txic, 0); + gfar_write(®s->txic, 0); if (tx_queue->txcoalescing) - gfar_write(&priv->regs->txic, tx_queue->txic); + gfar_write(®s->txic, tx_queue->txic); return 0; } diff --git a/drivers/net/gianfar_sysfs.c b/drivers/net/gianfar_sysfs.c index 9c664f85705c..adea11ea4038 100644 --- a/drivers/net/gianfar_sysfs.c +++ b/drivers/net/gianfar_sysfs.c @@ -50,6 +50,7 @@ static ssize_t gfar_set_bd_stash(struct device *dev, const char *buf, size_t count) { struct gfar_private *priv = netdev_priv(to_net_dev(dev)); + struct gfar __iomem *regs = priv->gfargrp.regs; struct gfar_priv_rx_q *rx_queue = NULL; int new_setting = 0; u32 temp; @@ -74,14 +75,14 @@ static ssize_t gfar_set_bd_stash(struct device *dev, /* Set the new stashing value */ priv->bd_stash_en = new_setting; - temp = gfar_read(&priv->regs->attr); + temp = gfar_read(®s->attr); if (new_setting) temp |= ATTR_BDSTASH; else temp &= ~(ATTR_BDSTASH); - gfar_write(&priv->regs->attr, temp); + gfar_write(®s->attr, temp); spin_unlock_irqrestore(&rx_queue->rxlock, flags); @@ -103,6 +104,7 @@ static ssize_t gfar_set_rx_stash_size(struct device *dev, const char *buf, size_t count) { struct gfar_private *priv = netdev_priv(to_net_dev(dev)); + struct gfar __iomem *regs = priv->gfargrp.regs; struct gfar_priv_rx_q *rx_queue = NULL; unsigned int length = simple_strtoul(buf, NULL, 0); u32 temp; @@ -122,20 +124,20 @@ static ssize_t gfar_set_rx_stash_size(struct device *dev, priv->rx_stash_size = length; - temp = gfar_read(&priv->regs->attreli); + temp = gfar_read(®s->attreli); temp &= ~ATTRELI_EL_MASK; temp |= ATTRELI_EL(length); - gfar_write(&priv->regs->attreli, temp); + gfar_write(®s->attreli, temp); /* Turn stashing on/off as appropriate */ - temp = gfar_read(&priv->regs->attr); + temp = gfar_read(®s->attr); if (length) temp |= ATTR_BUFSTASH; else temp &= ~(ATTR_BUFSTASH); - gfar_write(&priv->regs->attr, temp); + gfar_write(®s->attr, temp); out: spin_unlock_irqrestore(&rx_queue->rxlock, flags); @@ -161,6 +163,7 @@ static ssize_t gfar_set_rx_stash_index(struct device *dev, const char *buf, size_t count) { struct gfar_private *priv = netdev_priv(to_net_dev(dev)); + struct gfar __iomem *regs = priv->gfargrp.regs; struct gfar_priv_rx_q *rx_queue = NULL; unsigned short index = simple_strtoul(buf, NULL, 0); u32 temp; @@ -180,10 +183,10 @@ static ssize_t gfar_set_rx_stash_index(struct device *dev, priv->rx_stash_index = index; - temp = gfar_read(&priv->regs->attreli); + temp = gfar_read(®s->attreli); temp &= ~ATTRELI_EI_MASK; temp |= ATTRELI_EI(index); - gfar_write(&priv->regs->attreli, flags); + gfar_write(®s->attreli, flags); out: spin_unlock_irqrestore(&rx_queue->rxlock, flags); @@ -208,6 +211,7 @@ static ssize_t gfar_set_fifo_threshold(struct device *dev, const char *buf, size_t count) { struct gfar_private *priv = netdev_priv(to_net_dev(dev)); + struct gfar __iomem *regs = priv->gfargrp.regs; struct gfar_priv_tx_q *tx_queue = NULL; unsigned int length = simple_strtoul(buf, NULL, 0); u32 temp; @@ -222,10 +226,10 @@ static ssize_t gfar_set_fifo_threshold(struct device *dev, priv->fifo_threshold = length; - temp = gfar_read(&priv->regs->fifo_tx_thr); + temp = gfar_read(®s->fifo_tx_thr); temp &= ~FIFO_TX_THR_MASK; temp |= length; - gfar_write(&priv->regs->fifo_tx_thr, temp); + gfar_write(®s->fifo_tx_thr, temp); spin_unlock_irqrestore(&tx_queue->txlock, flags); @@ -248,6 +252,7 @@ static ssize_t gfar_set_fifo_starve(struct device *dev, const char *buf, size_t count) { struct gfar_private *priv = netdev_priv(to_net_dev(dev)); + struct gfar __iomem *regs = priv->gfargrp.regs; struct gfar_priv_tx_q *tx_queue = NULL; unsigned int num = simple_strtoul(buf, NULL, 0); u32 temp; @@ -261,10 +266,10 @@ static ssize_t gfar_set_fifo_starve(struct device *dev, priv->fifo_starve = num; - temp = gfar_read(&priv->regs->fifo_tx_starve); + temp = gfar_read(®s->fifo_tx_starve); temp &= ~FIFO_TX_STARVE_MASK; temp |= num; - gfar_write(&priv->regs->fifo_tx_starve, temp); + gfar_write(®s->fifo_tx_starve, temp); spin_unlock_irqrestore(&tx_queue->txlock, flags); @@ -288,6 +293,7 @@ static ssize_t gfar_set_fifo_starve_off(struct device *dev, const char *buf, size_t count) { struct gfar_private *priv = netdev_priv(to_net_dev(dev)); + struct gfar __iomem *regs = priv->gfargrp.regs; struct gfar_priv_tx_q *tx_queue = NULL; unsigned int num = simple_strtoul(buf, NULL, 0); u32 temp; @@ -301,10 +307,10 @@ static ssize_t gfar_set_fifo_starve_off(struct device *dev, priv->fifo_starve_off = num; - temp = gfar_read(&priv->regs->fifo_tx_starve_shutoff); + temp = gfar_read(®s->fifo_tx_starve_shutoff); temp &= ~FIFO_TX_STARVE_OFF_MASK; temp |= num; - gfar_write(&priv->regs->fifo_tx_starve_shutoff, temp); + gfar_write(®s->fifo_tx_starve_shutoff, temp); spin_unlock_irqrestore(&tx_queue->txlock, flags); |