#include <linux/crc32.h>
#include <linux/device.h>
#include <linux/spinlock.h>
-#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/phy.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
#include <linux/skbuff.h>
#include <linux/platform_device.h>
* MII operations
*/
/* Wait until the previous MDC/MDIO transaction has completed */
-static void mdio_poll(void)
+static void bfin_mdio_poll(void)
{
int timeout_cnt = MAX_TIMEOUT_CNT;
}
/* Read an off-chip register in a PHY through the MDC/MDIO port */
-static int mdiobus_read(struct mii_bus *bus, int phy_addr, int regnum)
+static int bfin_mdiobus_read(struct mii_bus *bus, int phy_addr, int regnum)
{
- mdio_poll();
+ bfin_mdio_poll();
/* read mode */
bfin_write_EMAC_STAADD(SET_PHYAD((u16) phy_addr) |
SET_REGAD((u16) regnum) |
STABUSY);
- mdio_poll();
+ bfin_mdio_poll();
return (int) bfin_read_EMAC_STADAT();
}
/* Write an off-chip register in a PHY through the MDC/MDIO port */
-static int mdiobus_write(struct mii_bus *bus, int phy_addr, int regnum,
- u16 value)
+static int bfin_mdiobus_write(struct mii_bus *bus, int phy_addr, int regnum,
+ u16 value)
{
- mdio_poll();
+ bfin_mdio_poll();
bfin_write_EMAC_STADAT((u32) value);
STAOP |
STABUSY);
- mdio_poll();
+ bfin_mdio_poll();
return 0;
}
-static int mdiobus_reset(struct mii_bus *bus)
+static int bfin_mdiobus_reset(struct mii_bus *bus)
{
return 0;
}
if (!lp->old_link) {
new_state = 1;
lp->old_link = 1;
- netif_schedule(dev);
}
} else if (lp->old_link) {
new_state = 1;
/* search for connect PHY device */
for (i = 0; i < PHY_MAX_ADDR; i++) {
- struct phy_device *const tmp_phydev = lp->mii_bus.phy_map[i];
+ struct phy_device *const tmp_phydev = lp->mii_bus->phy_map[i];
if (!tmp_phydev)
continue; /* no PHY here... */
}
#if defined(CONFIG_BFIN_MAC_RMII)
- phydev = phy_connect(dev, phydev->dev.bus_id, &bfin_mac_adjust_link, 0,
- PHY_INTERFACE_MODE_RMII);
+ phydev = phy_connect(dev, dev_name(&phydev->dev), &bfin_mac_adjust_link,
+ 0, PHY_INTERFACE_MODE_RMII);
#else
- phydev = phy_connect(dev, phydev->dev.bus_id, &bfin_mac_adjust_link, 0,
- PHY_INTERFACE_MODE_MII);
+ phydev = phy_connect(dev, dev_name(&phydev->dev), &bfin_mac_adjust_link,
+ 0, PHY_INTERFACE_MODE_MII);
#endif
if (IS_ERR(phydev)) {
printk(KERN_INFO "%s: attached PHY driver [%s] "
"(mii_bus:phy_addr=%s, irq=%d, mdc_clk=%dHz(mdc_div=%d)"
"@sclk=%dMHz)\n",
- DRV_NAME, phydev->drv->name, phydev->dev.bus_id, phydev->irq,
+ DRV_NAME, phydev->drv->name, dev_name(&phydev->dev), phydev->irq,
MDC_CLK, mdc_div, sclk/1000000);
return 0;
}
+/*
+ * Ethtool support
+ */
+
+static int
+bfin_mac_ethtool_getsettings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+ struct bfin_mac_local *lp = netdev_priv(dev);
+
+ if (lp->phydev)
+ return phy_ethtool_gset(lp->phydev, cmd);
+
+ return -EINVAL;
+}
+
+static int
+bfin_mac_ethtool_setsettings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+ struct bfin_mac_local *lp = netdev_priv(dev);
+
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
+ if (lp->phydev)
+ return phy_ethtool_sset(lp->phydev, cmd);
+
+ return -EINVAL;
+}
+
+static void bfin_mac_ethtool_getdrvinfo(struct net_device *dev,
+ struct ethtool_drvinfo *info)
+{
+ strcpy(info->driver, DRV_NAME);
+ strcpy(info->version, DRV_VERSION);
+ strcpy(info->fw_version, "N/A");
+ strcpy(info->bus_info, dev_name(&dev->dev));
+}
+
+static struct ethtool_ops bfin_mac_ethtool_ops = {
+ .get_settings = bfin_mac_ethtool_getsettings,
+ .set_settings = bfin_mac_ethtool_setsettings,
+ .get_link = ethtool_op_get_link,
+ .get_drvinfo = bfin_mac_ethtool_getdrvinfo,
+};
+
/**************************************************************************/
void setup_system_regs(struct net_device *dev)
{
static int bfin_mac_hard_start_xmit(struct sk_buff *skb,
struct net_device *dev)
{
- unsigned int data;
+ u16 *data;
current_tx_ptr->skb = skb;
- /*
- * Is skb->data always 16-bit aligned?
- * Do we need to memcpy((char *)(tail->packet + 2), skb->data, len)?
- */
- if ((((unsigned int)(skb->data)) & 0x02) == 2) {
- /* move skb->data to current_tx_ptr payload */
- data = (unsigned int)(skb->data) - 2;
- *((unsigned short *)data) = (unsigned short)(skb->len);
- current_tx_ptr->desc_a.start_addr = (unsigned long)data;
- /* this is important! */
- blackfin_dcache_flush_range(data, (data + (skb->len)) + 2);
-
+ if (ANOMALY_05000285) {
+ /*
+ * TXDWA feature is not avaible to older revision < 0.3 silicon
+ * of BF537
+ *
+ * Only if data buffer is ODD WORD alignment, we do not
+ * need to memcpy
+ */
+ u32 data_align = (u32)(skb->data) & 0x3;
+ if (data_align == 0x2) {
+ /* move skb->data to current_tx_ptr payload */
+ data = (u16 *)(skb->data) - 1;
+ *data = (u16)(skb->len);
+ current_tx_ptr->desc_a.start_addr = (u32)data;
+ /* this is important! */
+ blackfin_dcache_flush_range((u32)data,
+ (u32)((u8 *)data + skb->len + 4));
+ } else {
+ *((u16 *)(current_tx_ptr->packet)) = (u16)(skb->len);
+ memcpy((u8 *)(current_tx_ptr->packet + 2), skb->data,
+ skb->len);
+ current_tx_ptr->desc_a.start_addr =
+ (u32)current_tx_ptr->packet;
+ if (current_tx_ptr->status.status_word != 0)
+ current_tx_ptr->status.status_word = 0;
+ blackfin_dcache_flush_range(
+ (u32)current_tx_ptr->packet,
+ (u32)(current_tx_ptr->packet + skb->len + 2));
+ }
} else {
- *((unsigned short *)(current_tx_ptr->packet)) =
- (unsigned short)(skb->len);
- memcpy((char *)(current_tx_ptr->packet + 2), skb->data,
- (skb->len));
- current_tx_ptr->desc_a.start_addr =
- (unsigned long)current_tx_ptr->packet;
- if (current_tx_ptr->status.status_word != 0)
- current_tx_ptr->status.status_word = 0;
- blackfin_dcache_flush_range((unsigned int)current_tx_ptr->
- packet,
- (unsigned int)(current_tx_ptr->
- packet + skb->len) +
- 2);
+ /*
+ * TXDWA feature is avaible to revision < 0.3 silicon of
+ * BF537 and always avaible to BF52x
+ */
+ u32 data_align = (u32)(skb->data) & 0x3;
+ if (data_align == 0x0) {
+ u16 sysctl = bfin_read_EMAC_SYSCTL();
+ sysctl |= TXDWA;
+ bfin_write_EMAC_SYSCTL(sysctl);
+
+ /* move skb->data to current_tx_ptr payload */
+ data = (u16 *)(skb->data) - 2;
+ *data = (u16)(skb->len);
+ current_tx_ptr->desc_a.start_addr = (u32)data;
+ /* this is important! */
+ blackfin_dcache_flush_range(
+ (u32)data,
+ (u32)((u8 *)data + skb->len + 4));
+ } else if (data_align == 0x2) {
+ u16 sysctl = bfin_read_EMAC_SYSCTL();
+ sysctl &= ~TXDWA;
+ bfin_write_EMAC_SYSCTL(sysctl);
+
+ /* move skb->data to current_tx_ptr payload */
+ data = (u16 *)(skb->data) - 1;
+ *data = (u16)(skb->len);
+ current_tx_ptr->desc_a.start_addr = (u32)data;
+ /* this is important! */
+ blackfin_dcache_flush_range(
+ (u32)data,
+ (u32)((u8 *)data + skb->len + 4));
+ } else {
+ u16 sysctl = bfin_read_EMAC_SYSCTL();
+ sysctl &= ~TXDWA;
+ bfin_write_EMAC_SYSCTL(sysctl);
+
+ *((u16 *)(current_tx_ptr->packet)) = (u16)(skb->len);
+ memcpy((u8 *)(current_tx_ptr->packet + 2), skb->data,
+ skb->len);
+ current_tx_ptr->desc_a.start_addr =
+ (u32)current_tx_ptr->packet;
+ if (current_tx_ptr->status.status_word != 0)
+ current_tx_ptr->status.status_word = 0;
+ blackfin_dcache_flush_range(
+ (u32)current_tx_ptr->packet,
+ (u32)(current_tx_ptr->packet + skb->len + 2));
+ }
}
/* enable this packet's dma */
blackfin_dcache_invalidate_range((unsigned long)skb->head,
(unsigned long)skb->tail);
- dev->last_rx = jiffies;
- skb->dev = dev;
skb->protocol = eth_type_trans(skb, dev);
#if defined(BFIN_MAC_CSUM_OFFLOAD)
skb->csum = current_rx_ptr->status.ip_payload_csum;
{
u32 opmode;
- pr_debug("%s: %s\n", DRV_NAME, __FUNCTION__);
+ pr_debug("%s: %s\n", DRV_NAME, __func__);
/* Set RX DMA */
bfin_write_DMA1_NEXT_DESC_PTR(&(rx_list_head->desc_a));
bfin_write_DMA1_CONFIG(rx_list_head->desc_a.config);
/* Wait MII done */
- mdio_poll();
+ bfin_mdio_poll();
/* We enable only RX here */
/* ASTP : Enable Automatic Pad Stripping
/* Our watchdog timed out. Called by the networking layer */
static void bfin_mac_timeout(struct net_device *dev)
{
- pr_debug("%s: %s\n", dev->name, __FUNCTION__);
+ pr_debug("%s: %s\n", dev->name, __func__);
bfin_mac_disable();
{
struct bfin_mac_local *lp = netdev_priv(dev);
int retval;
- pr_debug("%s: %s\n", dev->name, __FUNCTION__);
+ pr_debug("%s: %s\n", dev->name, __func__);
/*
* Check that the address is valid. If its not, refuse
phy_start(lp->phydev);
phy_write(lp->phydev, MII_BMCR, BMCR_RESET);
setup_system_regs(dev);
+ setup_mac_addr(dev->dev_addr);
bfin_mac_disable();
bfin_mac_enable();
pr_debug("hardware init finished\n");
return 0;
}
+static const struct net_device_ops bfin_mac_netdev_ops = {
+ .ndo_open = bfin_mac_open,
+ .ndo_stop = bfin_mac_close,
+ .ndo_start_xmit = bfin_mac_hard_start_xmit,
+ .ndo_set_mac_address = bfin_mac_set_mac_address,
+ .ndo_tx_timeout = bfin_mac_timeout,
+ .ndo_set_multicast_list = bfin_mac_set_multicast_list,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_change_mtu = eth_change_mtu,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = bfin_mac_poll,
+#endif
+};
+
/*
*
* this makes the board clean up everything that it can
static int bfin_mac_close(struct net_device *dev)
{
struct bfin_mac_local *lp = netdev_priv(dev);
- pr_debug("%s: %s\n", dev->name, __FUNCTION__);
+ pr_debug("%s: %s\n", dev->name, __func__);
netif_stop_queue(dev);
netif_carrier_off(dev);
return 0;
}
-static int __init bfin_mac_probe(struct platform_device *pdev)
+static int __devinit bfin_mac_probe(struct platform_device *pdev)
{
struct net_device *ndev;
struct bfin_mac_local *lp;
setup_mac_addr(ndev->dev_addr);
/* MDIO bus initial */
- lp->mii_bus.priv = ndev;
- lp->mii_bus.read = mdiobus_read;
- lp->mii_bus.write = mdiobus_write;
- lp->mii_bus.reset = mdiobus_reset;
- lp->mii_bus.name = "bfin_mac_mdio";
- snprintf(lp->mii_bus.id, MII_BUS_ID_SIZE, "0");
- lp->mii_bus.irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL);
+ lp->mii_bus = mdiobus_alloc();
+ if (lp->mii_bus == NULL)
+ goto out_err_mdiobus_alloc;
+
+ lp->mii_bus->priv = ndev;
+ lp->mii_bus->read = bfin_mdiobus_read;
+ lp->mii_bus->write = bfin_mdiobus_write;
+ lp->mii_bus->reset = bfin_mdiobus_reset;
+ lp->mii_bus->name = "bfin_mac_mdio";
+ snprintf(lp->mii_bus->id, MII_BUS_ID_SIZE, "0");
+ lp->mii_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL);
for (i = 0; i < PHY_MAX_ADDR; ++i)
- lp->mii_bus.irq[i] = PHY_POLL;
+ lp->mii_bus->irq[i] = PHY_POLL;
- rc = mdiobus_register(&lp->mii_bus);
+ rc = mdiobus_register(lp->mii_bus);
if (rc) {
dev_err(&pdev->dev, "Cannot register MDIO bus!\n");
goto out_err_mdiobus_register;
/* Fill in the fields of the device structure with ethernet values. */
ether_setup(ndev);
- ndev->open = bfin_mac_open;
- ndev->stop = bfin_mac_close;
- ndev->hard_start_xmit = bfin_mac_hard_start_xmit;
- ndev->set_mac_address = bfin_mac_set_mac_address;
- ndev->tx_timeout = bfin_mac_timeout;
- ndev->set_multicast_list = bfin_mac_set_multicast_list;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- ndev->poll_controller = bfin_mac_poll;
-#endif
+ ndev->netdev_ops = &bfin_mac_netdev_ops;
+ ndev->ethtool_ops = &bfin_mac_ethtool_ops;
spin_lock_init(&lp->lock);
free_irq(IRQ_MAC_RX, ndev);
out_err_request_irq:
out_err_mii_probe:
- mdiobus_unregister(&lp->mii_bus);
+ mdiobus_unregister(lp->mii_bus);
out_err_mdiobus_register:
+ mdiobus_free(lp->mii_bus);
+out_err_mdiobus_alloc:
peripheral_free_list(pin_req);
out_err_setup_pin_mux:
out_err_probe_mac:
return rc;
}
-static int bfin_mac_remove(struct platform_device *pdev)
+static int __devexit bfin_mac_remove(struct platform_device *pdev)
{
struct net_device *ndev = platform_get_drvdata(pdev);
struct bfin_mac_local *lp = netdev_priv(ndev);
platform_set_drvdata(pdev, NULL);
- mdiobus_unregister(&lp->mii_bus);
+ mdiobus_unregister(lp->mii_bus);
+ mdiobus_free(lp->mii_bus);
unregister_netdev(ndev);
static struct platform_driver bfin_mac_driver = {
.probe = bfin_mac_probe,
- .remove = bfin_mac_remove,
+ .remove = __devexit_p(bfin_mac_remove),
.resume = bfin_mac_resume,
.suspend = bfin_mac_suspend,
.driver = {
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff