return reg;
}
-/* Autodetects and initialises external phy for SMSC9115 and SMSC9117 flavors.
- * If something goes wrong, returns -ENODEV to revert back to internal phy.
- * Performed at initialisation only, so interrupts are enabled */
-static int smsc911x_phy_initialise_external(struct smsc911x_data *pdata)
+/* Switch to external phy. Assumes tx and rx are stopped. */
+static void smsc911x_phy_enable_external(struct smsc911x_data *pdata)
{
unsigned int hwcfg = smsc911x_reg_read(pdata, HW_CFG);
- /* External phy is requested, supported, and detected */
- if (hwcfg & HW_CFG_EXT_PHY_DET_) {
+ /* Disable phy clocks to the MAC */
+ hwcfg &= (~HW_CFG_PHY_CLK_SEL_);
+ hwcfg |= HW_CFG_PHY_CLK_SEL_CLK_DIS_;
+ smsc911x_reg_write(pdata, HW_CFG, hwcfg);
+ udelay(10); /* Enough time for clocks to stop */
- /* Switch to external phy. Assuming tx and rx are stopped
- * because smsc911x_phy_initialise is called before
- * smsc911x_rx_initialise and tx_initialise. */
+ /* Switch to external phy */
+ hwcfg |= HW_CFG_EXT_PHY_EN_;
+ smsc911x_reg_write(pdata, HW_CFG, hwcfg);
- /* Disable phy clocks to the MAC */
- hwcfg &= (~HW_CFG_PHY_CLK_SEL_);
- hwcfg |= HW_CFG_PHY_CLK_SEL_CLK_DIS_;
- smsc911x_reg_write(pdata, HW_CFG, hwcfg);
- udelay(10); /* Enough time for clocks to stop */
+ /* Enable phy clocks to the MAC */
+ hwcfg &= (~HW_CFG_PHY_CLK_SEL_);
+ hwcfg |= HW_CFG_PHY_CLK_SEL_EXT_PHY_;
+ smsc911x_reg_write(pdata, HW_CFG, hwcfg);
+ udelay(10); /* Enough time for clocks to restart */
- /* Switch to external phy */
- hwcfg |= HW_CFG_EXT_PHY_EN_;
- smsc911x_reg_write(pdata, HW_CFG, hwcfg);
-
- /* Enable phy clocks to the MAC */
- hwcfg &= (~HW_CFG_PHY_CLK_SEL_);
- hwcfg |= HW_CFG_PHY_CLK_SEL_EXT_PHY_;
- smsc911x_reg_write(pdata, HW_CFG, hwcfg);
- udelay(10); /* Enough time for clocks to restart */
+ hwcfg |= HW_CFG_SMI_SEL_;
+ smsc911x_reg_write(pdata, HW_CFG, hwcfg);
+}
- hwcfg |= HW_CFG_SMI_SEL_;
- smsc911x_reg_write(pdata, HW_CFG, hwcfg);
+/* Autodetects and enables external phy if present on supported chips.
+ * autodetection can be overridden by specifying SMSC911X_FORCE_INTERNAL_PHY
+ * or SMSC911X_FORCE_EXTERNAL_PHY in the platform_data flags. */
+static void smsc911x_phy_initialise_external(struct smsc911x_data *pdata)
+{
+ unsigned int hwcfg = smsc911x_reg_read(pdata, HW_CFG);
- SMSC_TRACE(HW, "Successfully switched to external PHY");
+ if (pdata->config.flags & SMSC911X_FORCE_INTERNAL_PHY) {
+ SMSC_TRACE(HW, "Forcing internal PHY");
+ pdata->using_extphy = 0;
+ } else if (pdata->config.flags & SMSC911X_FORCE_EXTERNAL_PHY) {
+ SMSC_TRACE(HW, "Forcing external PHY");
+ smsc911x_phy_enable_external(pdata);
+ pdata->using_extphy = 1;
+ } else if (hwcfg & HW_CFG_EXT_PHY_DET_) {
+ SMSC_TRACE(HW, "HW_CFG EXT_PHY_DET set, using external PHY");
+ smsc911x_phy_enable_external(pdata);
pdata->using_extphy = 1;
} else {
- SMSC_WARNING(HW, "No external PHY detected, "
- "Using internal PHY instead.");
- /* Use internal phy */
- return -ENODEV;
+ SMSC_TRACE(HW, "HW_CFG EXT_PHY_DET clear, using internal PHY");
+ pdata->using_extphy = 0;
}
- return 0;
}
/* Fetches a tx status out of the status fifo */
return -ENODEV;
}
- phydev = phy_connect(dev, phydev->dev.bus_id,
+ phydev = phy_connect(dev, dev_name(&phydev->dev),
&smsc911x_phy_adjust_link, 0, pdata->config.phy_interface);
if (IS_ERR(phydev)) {
}
pr_info("%s: attached PHY driver [%s] (mii_bus:phy_addr=%s, irq=%d)\n",
- dev->name, phydev->drv->name, phydev->dev.bus_id, phydev->irq);
+ dev->name, phydev->drv->name,
+ dev_name(&phydev->dev), phydev->irq);
/* mask with MAC supported features */
phydev->supported &= (PHY_BASIC_FEATURES | SUPPORTED_Pause |
pdata->mii_bus->parent = &pdev->dev;
- pdata->using_extphy = 0;
-
switch (pdata->idrev & 0xFFFF0000) {
case 0x01170000:
case 0x01150000:
case 0x117A0000:
case 0x115A0000:
/* External PHY supported, try to autodetect */
- if (smsc911x_phy_initialise_external(pdata) < 0) {
- SMSC_TRACE(HW, "No external PHY detected, "
- "using internal PHY");
- }
+ smsc911x_phy_initialise_external(pdata);
break;
default:
SMSC_TRACE(HW, "External PHY is not supported, "
"using internal PHY");
+ pdata->using_extphy = 0;
break;
}
SMSC_WARNING(HW,
"Packet tag reserved bit is high");
} else {
- if (unlikely(tx_stat & 0x00008000)) {
+ if (unlikely(tx_stat & TX_STS_ES_)) {
dev->stats.tx_errors++;
} else {
dev->stats.tx_packets++;
dev->stats.tx_bytes += (tx_stat >> 16);
}
- if (unlikely(tx_stat & 0x00000100)) {
+ if (unlikely(tx_stat & TX_STS_EXCESS_COL_)) {
dev->stats.collisions += 16;
dev->stats.tx_aborted_errors += 1;
} else {
dev->stats.collisions +=
((tx_stat >> 3) & 0xF);
}
- if (unlikely(tx_stat & 0x00000800))
+ if (unlikely(tx_stat & TX_STS_LOST_CARRIER_))
dev->stats.tx_carrier_errors += 1;
- if (unlikely(tx_stat & 0x00000200)) {
+ if (unlikely(tx_stat & TX_STS_LATE_COL_)) {
dev->stats.collisions++;
dev->stats.tx_aborted_errors++;
}
{
int crc_err = 0;
- if (unlikely(rxstat & 0x00008000)) {
+ if (unlikely(rxstat & RX_STS_ES_)) {
dev->stats.rx_errors++;
- if (unlikely(rxstat & 0x00000002)) {
+ if (unlikely(rxstat & RX_STS_CRC_ERR_)) {
dev->stats.rx_crc_errors++;
crc_err = 1;
}
}
if (likely(!crc_err)) {
- if (unlikely((rxstat & 0x00001020) == 0x00001020)) {
- /* Frame type indicates length,
- * and length error is set */
+ if (unlikely((rxstat & RX_STS_FRAME_TYPE_) &&
+ (rxstat & RX_STS_LENGTH_ERR_)))
dev->stats.rx_length_errors++;
- }
if (rxstat & RX_STS_MCAST_)
dev->stats.multicast++;
}
do {
udelay(1);
val = smsc911x_reg_read(pdata, RX_DP_CTRL);
- } while (--timeout && (val & RX_DP_CTRL_RX_FFWD_));
+ } while ((val & RX_DP_CTRL_RX_FFWD_) && --timeout);
if (unlikely(timeout == 0))
SMSC_WARNING(HW, "Timed out waiting for "
/* We processed all packets available. Tell NAPI it can
* stop polling then re-enable rx interrupts */
smsc911x_reg_write(pdata, INT_STS, INT_STS_RSFL_);
- netif_rx_complete(napi);
+ napi_complete(napi);
temp = smsc911x_reg_read(pdata, INT_EN);
temp |= INT_EN_RSFL_EN_;
smsc911x_reg_write(pdata, INT_EN, temp);
/* Sets the device MAC address to dev_addr, called with mac_lock held */
static void
-smsc911x_set_mac_address(struct smsc911x_data *pdata, u8 dev_addr[6])
+smsc911x_set_hw_mac_address(struct smsc911x_data *pdata, u8 dev_addr[6])
{
u32 mac_high16 = (dev_addr[5] << 8) | dev_addr[4];
u32 mac_low32 = (dev_addr[3] << 24) | (dev_addr[2] << 16) |
/* Make sure EEPROM has finished loading before setting GPIO_CFG */
timeout = 50;
- while ((timeout--) &&
- (smsc911x_reg_read(pdata, E2P_CMD) & E2P_CMD_EPC_BUSY_)) {
+ while ((smsc911x_reg_read(pdata, E2P_CMD) & E2P_CMD_EPC_BUSY_) &&
+ --timeout) {
udelay(10);
}
/* The soft reset above cleared the device's MAC address,
* restore it from local copy (set in probe) */
spin_lock_irq(&pdata->mac_lock);
- smsc911x_set_mac_address(pdata, dev->dev_addr);
+ smsc911x_set_hw_mac_address(pdata, dev->dev_addr);
spin_unlock_irq(&pdata->mac_lock);
/* Initialise irqs, but leave all sources disabled */
napi_enable(&pdata->napi);
temp = smsc911x_reg_read(pdata, INT_EN);
- temp |= (INT_EN_TDFA_EN_ | INT_EN_RSFL_EN_);
+ temp |= (INT_EN_TDFA_EN_ | INT_EN_RSFL_EN_ | INT_EN_RXSTOP_INT_EN_);
smsc911x_reg_write(pdata, INT_EN, temp);
spin_lock_irq(&pdata->mac_lock);
/* Request the hardware to stop, then perform the
* update when we get an RX_STOP interrupt */
- smsc911x_reg_write(pdata, INT_STS, INT_STS_RXSTOP_INT_);
- temp = smsc911x_reg_read(pdata, INT_EN);
- temp |= INT_EN_RXSTOP_INT_EN_;
- smsc911x_reg_write(pdata, INT_EN, temp);
-
temp = smsc911x_mac_read(pdata, MAC_CR);
temp &= ~(MAC_CR_RXEN_);
smsc911x_mac_write(pdata, MAC_CR, temp);
/* Called when there is a multicast update scheduled and
* it is now safe to complete the update */
SMSC_TRACE(INTR, "RX Stop interrupt");
- temp = smsc911x_reg_read(pdata, INT_EN);
- temp &= (~INT_EN_RXSTOP_INT_EN_);
- smsc911x_reg_write(pdata, INT_EN, temp);
smsc911x_reg_write(pdata, INT_STS, INT_STS_RXSTOP_INT_);
- smsc911x_rx_multicast_update_workaround(pdata);
+ if (pdata->multicast_update_pending)
+ smsc911x_rx_multicast_update_workaround(pdata);
serviced = IRQ_HANDLED;
}
}
if (likely(intsts & inten & INT_STS_RSFL_)) {
- if (likely(netif_rx_schedule_prep(&pdata->napi))) {
+ if (likely(napi_schedule_prep(&pdata->napi))) {
/* Disable Rx interrupts */
temp = smsc911x_reg_read(pdata, INT_EN);
temp &= (~INT_EN_RSFL_EN_);
smsc911x_reg_write(pdata, INT_EN, temp);
/* Schedule a NAPI poll */
- __netif_rx_schedule(&pdata->napi);
+ __napi_schedule(&pdata->napi);
} else {
SMSC_WARNING(RX_ERR,
- "netif_rx_schedule_prep failed");
+ "napi_schedule_prep failed");
}
serviced = IRQ_HANDLED;
}
}
#endif /* CONFIG_NET_POLL_CONTROLLER */
+static int smsc911x_set_mac_address(struct net_device *dev, void *p)
+{
+ struct smsc911x_data *pdata = netdev_priv(dev);
+ struct sockaddr *addr = p;
+
+ /* On older hardware revisions we cannot change the mac address
+ * registers while receiving data. Newer devices can safely change
+ * this at any time. */
+ if (pdata->generation <= 1 && netif_running(dev))
+ return -EBUSY;
+
+ if (!is_valid_ether_addr(addr->sa_data))
+ return -EADDRNOTAVAIL;
+
+ memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
+
+ spin_lock_irq(&pdata->mac_lock);
+ smsc911x_set_hw_mac_address(pdata, dev->dev_addr);
+ spin_unlock_irq(&pdata->mac_lock);
+
+ dev_info(&dev->dev, "MAC Address: %pM\n", dev->dev_addr);
+
+ return 0;
+}
+
/* Standard ioctls for mii-tool */
static int smsc911x_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
{
strlcpy(info->driver, SMSC_CHIPNAME, sizeof(info->driver));
strlcpy(info->version, SMSC_DRV_VERSION, sizeof(info->version));
- strlcpy(info->bus_info, dev->dev.parent->bus_id,
+ strlcpy(info->bus_info, dev_name(dev->dev.parent),
sizeof(info->bus_info));
}
u8 address, u8 data)
{
u32 op = E2P_CMD_EPC_CMD_ERASE_ | address;
+ u32 temp;
int ret;
SMSC_TRACE(DRV, "address 0x%x, data 0x%x", address, data);
if (!ret) {
op = E2P_CMD_EPC_CMD_WRITE_ | address;
smsc911x_reg_write(pdata, E2P_DATA, (u32)data);
+
+ /* Workaround for hardware read-after-write restriction */
+ temp = smsc911x_reg_read(pdata, BYTE_TEST);
+
ret = smsc911x_eeprom_send_cmd(pdata, op);
}
.ndo_set_multicast_list = smsc911x_set_multicast_list,
.ndo_do_ioctl = smsc911x_do_ioctl,
.ndo_validate_addr = eth_validate_addr,
- .ndo_set_mac_address = eth_mac_addr,
+ .ndo_set_mac_address = smsc911x_set_mac_address,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = smsc911x_poll_controller,
#endif
};
+/* copies the current mac address from hardware to dev->dev_addr */
+static void __devinit smsc911x_read_mac_address(struct net_device *dev)
+{
+ struct smsc911x_data *pdata = netdev_priv(dev);
+ u32 mac_high16 = smsc911x_mac_read(pdata, ADDRH);
+ u32 mac_low32 = smsc911x_mac_read(pdata, ADDRL);
+
+ dev->dev_addr[0] = (u8)(mac_low32);
+ dev->dev_addr[1] = (u8)(mac_low32 >> 8);
+ dev->dev_addr[2] = (u8)(mac_low32 >> 16);
+ dev->dev_addr[3] = (u8)(mac_low32 >> 24);
+ dev->dev_addr[4] = (u8)(mac_high16);
+ dev->dev_addr[5] = (u8)(mac_high16 >> 8);
+}
+
/* Initializing private device structures, only called from probe */
static int __devinit smsc911x_init(struct net_device *dev)
{
SMSC_WARNING(PROBE,
"This driver is not intended for this chip revision");
+ /* workaround for platforms without an eeprom, where the mac address
+ * is stored elsewhere and set by the bootloader. This saves the
+ * mac address before resetting the device */
+ if (pdata->config.flags & SMSC911X_SAVE_MAC_ADDRESS)
+ smsc911x_read_mac_address(dev);
+
/* Reset the LAN911x */
if (smsc911x_soft_reset(pdata))
return -ENODEV;
struct net_device *dev;
struct smsc911x_data *pdata;
struct smsc911x_platform_config *config = pdev->dev.platform_data;
- struct resource *res;
+ struct resource *res, *irq_res;
unsigned int intcfg = 0;
- int res_size;
+ int res_size, irq_flags;
int retval;
- DECLARE_MAC_BUF(mac);
pr_info("%s: Driver version %s.\n", SMSC_CHIPNAME, SMSC_DRV_VERSION);
}
res_size = res->end - res->start;
+ irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ if (!irq_res) {
+ pr_warning("%s: Could not allocate irq resource.\n",
+ SMSC_CHIPNAME);
+ retval = -ENODEV;
+ goto out_0;
+ }
+
if (!request_mem_region(res->start, res_size, SMSC_CHIPNAME)) {
retval = -EBUSY;
goto out_0;
pdata = netdev_priv(dev);
- dev->irq = platform_get_irq(pdev, 0);
+ dev->irq = irq_res->start;
+ irq_flags = irq_res->flags & IRQF_TRIGGER_MASK;
pdata->ioaddr = ioremap_nocache(res->start, res_size);
/* copy config parameters across to pdata */
smsc911x_reg_write(pdata, INT_EN, 0);
smsc911x_reg_write(pdata, INT_STS, 0xFFFFFFFF);
- retval = request_irq(dev->irq, smsc911x_irqhandler, IRQF_DISABLED,
- dev->name, dev);
+ retval = request_irq(dev->irq, smsc911x_irqhandler,
+ irq_flags | IRQF_SHARED, dev->name, dev);
if (retval) {
SMSC_WARNING(PROBE,
"Unable to claim requested irq: %d", dev->irq);
/* Check if mac address has been specified when bringing interface up */
if (is_valid_ether_addr(dev->dev_addr)) {
- smsc911x_set_mac_address(pdata, dev->dev_addr);
+ smsc911x_set_hw_mac_address(pdata, dev->dev_addr);
SMSC_TRACE(PROBE, "MAC Address is specified by configuration");
} else {
/* Try reading mac address from device. if EEPROM is present
* it will already have been set */
- u32 mac_high16 = smsc911x_mac_read(pdata, ADDRH);
- u32 mac_low32 = smsc911x_mac_read(pdata, ADDRL);
- dev->dev_addr[0] = (u8)(mac_low32);
- dev->dev_addr[1] = (u8)(mac_low32 >> 8);
- dev->dev_addr[2] = (u8)(mac_low32 >> 16);
- dev->dev_addr[3] = (u8)(mac_low32 >> 24);
- dev->dev_addr[4] = (u8)(mac_high16);
- dev->dev_addr[5] = (u8)(mac_high16 >> 8);
+ smsc911x_read_mac_address(dev);
if (is_valid_ether_addr(dev->dev_addr)) {
/* eeprom values are valid so use them */
} else {
/* eeprom values are invalid, generate random MAC */
random_ether_addr(dev->dev_addr);
- smsc911x_set_mac_address(pdata, dev->dev_addr);
+ smsc911x_set_hw_mac_address(pdata, dev->dev_addr);
SMSC_TRACE(PROBE,
"MAC Address is set to random_ether_addr");
}
spin_unlock_irq(&pdata->mac_lock);
- dev_info(&dev->dev, "MAC Address: %s\n",
- print_mac(mac, dev->dev_addr));
+ dev_info(&dev->dev, "MAC Address: %pM\n", dev->dev_addr);
return 0;
git.openpandora.org / pandora-kernel.git / blobdiff