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path: root/drivers/net/gianfar.c
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Diffstat (limited to 'drivers/net/gianfar.c')
-rw-r--r--drivers/net/gianfar.c364
1 files changed, 195 insertions, 169 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(&regs->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(&regs->maccfg1, tempval);
/* Initialize MACCFG2. */
- gfar_write(&priv->regs->maccfg2, MACCFG2_INIT_SETTINGS);
+ gfar_write(&regs->maccfg2, MACCFG2_INIT_SETTINGS);
/* Initialize ECNTRL */
- gfar_write(&priv->regs->ecntrl, ECNTRL_INIT_SETTINGS);
+ gfar_write(&regs->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] = &regs->igaddr0;
+ priv->hash_regs[1] = &regs->igaddr1;
+ priv->hash_regs[2] = &regs->igaddr2;
+ priv->hash_regs[3] = &regs->igaddr3;
+ priv->hash_regs[4] = &regs->igaddr4;
+ priv->hash_regs[5] = &regs->igaddr5;
+ priv->hash_regs[6] = &regs->igaddr6;
+ priv->hash_regs[7] = &regs->igaddr7;
+ priv->hash_regs[8] = &regs->gaddr0;
+ priv->hash_regs[9] = &regs->gaddr1;
+ priv->hash_regs[10] = &regs->gaddr2;
+ priv->hash_regs[11] = &regs->gaddr3;
+ priv->hash_regs[12] = &regs->gaddr4;
+ priv->hash_regs[13] = &regs->gaddr5;
+ priv->hash_regs[14] = &regs->gaddr6;
+ priv->hash_regs[15] = &regs->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] = &regs->gaddr0;
+ priv->hash_regs[1] = &regs->gaddr1;
+ priv->hash_regs[2] = &regs->gaddr2;
+ priv->hash_regs[3] = &regs->gaddr3;
+ priv->hash_regs[4] = &regs->gaddr4;
+ priv->hash_regs[5] = &regs->gaddr5;
+ priv->hash_regs[6] = &regs->gaddr6;
+ priv->hash_regs[7] = &regs->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(&regs->maccfg1);
tempval &= ~MACCFG1_TX_EN;
if (!magic_packet)
tempval &= ~MACCFG1_RX_EN;
- gfar_write(&priv->regs->maccfg1, tempval);
+ gfar_write(&regs->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(&regs->imask, IMASK_MAG);
/* Enable Magic Packet mode */
- tempval = gfar_read(&priv->regs->maccfg2);
+ tempval = gfar_read(&regs->maccfg2);
tempval |= MACCFG2_MPEN;
- gfar_write(&priv->regs->maccfg2, tempval);
+ gfar_write(&regs->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(&regs->maccfg2);
tempval &= ~MACCFG2_MPEN;
- gfar_write(&priv->regs->maccfg2, tempval);
+ gfar_write(&regs->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(&regs->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(&regs->ievent, IEVENT_INIT_CLEAR);
/* Initialize IMASK */
- gfar_write(&priv->regs->imask, IMASK_INIT_CLEAR);
+ gfar_write(&regs->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(&regs->igaddr0, 0);
+ gfar_write(&regs->igaddr1, 0);
+ gfar_write(&regs->igaddr2, 0);
+ gfar_write(&regs->igaddr3, 0);
+ gfar_write(&regs->igaddr4, 0);
+ gfar_write(&regs->igaddr5, 0);
+ gfar_write(&regs->igaddr6, 0);
+ gfar_write(&regs->igaddr7, 0);
+
+ gfar_write(&regs->gaddr0, 0);
+ gfar_write(&regs->gaddr1, 0);
+ gfar_write(&regs->gaddr2, 0);
+ gfar_write(&regs->gaddr3, 0);
+ gfar_write(&regs->gaddr4, 0);
+ gfar_write(&regs->gaddr5, 0);
+ gfar_write(&regs->gaddr6, 0);
+ gfar_write(&regs->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(&regs->rmon.cam1, 0xffffffff);
+ gfar_write(&regs->rmon.cam2, 0xffffffff);
}
/* Initialize the max receive buffer length */
- gfar_write(&priv->regs->mrblr, priv->rx_buffer_size);
+ gfar_write(&regs->mrblr, priv->rx_buffer_size);
/* Initialize the Minimum Frame Length Register */
- gfar_write(&priv->regs->minflr, MINFLR_INIT_SETTINGS);
+ gfar_write(&regs->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(&regs->ievent, IEVENT_INIT_CLEAR);
/* Stop the DMA, and wait for it to stop */
- tempval = gfar_read(&priv->regs->dmactrl);
+ tempval = gfar_read(&regs->dmactrl);
if ((tempval & (DMACTRL_GRS | DMACTRL_GTS))
!= (DMACTRL_GRS | DMACTRL_GTS)) {
tempval |= (DMACTRL_GRS | DMACTRL_GTS);
- gfar_write(&priv->regs->dmactrl, tempval);
+ gfar_write(&regs->dmactrl, tempval);
- while (!(gfar_read(&priv->regs->ievent) &
+ while (!(gfar_read(&regs->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(&regs->maccfg1, tempval);
/* Initialize DMACTRL to have WWR and WOP */
- tempval = gfar_read(&priv->regs->dmactrl);
+ tempval = gfar_read(&regs->dmactrl);
tempval |= DMACTRL_INIT_SETTINGS;
- gfar_write(&priv->regs->dmactrl, tempval);
+ gfar_write(&regs->dmactrl, tempval);
/* Make sure we aren't stopped */
- tempval = gfar_read(&priv->regs->dmactrl);
+ tempval = gfar_read(&regs->dmactrl);
tempval &= ~(DMACTRL_GRS | DMACTRL_GTS);
- gfar_write(&priv->regs->dmactrl, tempval);
+ gfar_write(&regs->dmactrl, tempval);
/* Clear THLT/RHLT, so that the DMA starts polling now */
gfar_write(&regs->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(&regs->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(&regs->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(&regs->tctrl);
tempval |= TCTRL_VLINS;
- gfar_write(&priv->regs->tctrl, tempval);
+ gfar_write(&regs->tctrl, tempval);
/* Enable VLAN tag extraction */
- tempval = gfar_read(&priv->regs->rctrl);
+ tempval = gfar_read(&regs->rctrl);
tempval |= (RCTRL_VLEX | RCTRL_PRSDEP_INIT);
- gfar_write(&priv->regs->rctrl, tempval);
+ gfar_write(&regs->rctrl, tempval);
} else {
/* Disable VLAN tag insertion */
- tempval = gfar_read(&priv->regs->tctrl);
+ tempval = gfar_read(&regs->tctrl);
tempval &= ~TCTRL_VLINS;
- gfar_write(&priv->regs->tctrl, tempval);
+ gfar_write(&regs->tctrl, tempval);
/* Disable VLAN tag extraction */
- tempval = gfar_read(&priv->regs->rctrl);
+ tempval = gfar_read(&regs->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(&regs->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(&regs->mrblr, priv->rx_buffer_size);
+ gfar_write(&regs->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(&regs->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(&regs->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(&regs->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(&regs->rstat, RSTAT_CLEAR_RHALT);
- gfar_write(&priv->regs->imask, IMASK_DEFAULT);
+ gfar_write(&regs->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(&regs->rxic, 0);
+ gfar_write(&regs->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(&regs->txic, 0);
+ gfar_write(&regs->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 = &regs->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(&regs->ievent);
/* Clear IEVENT */
- gfar_write(&priv->regs->ievent, events & IEVENT_ERR_MASK);
+ gfar_write(&regs->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(&regs->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(&regs->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(&regs->rstat));
}
if (events & IEVENT_BABR) {
dev->stats.rx_errors++;