To compile this driver as a module, choose M here: the module
will be called yellowfin. This is recommended.
-config TSI108_ETH
- tristate "Tundra TSI108 gigabit Ethernet support"
- depends on TSI108_BRIDGE
- help
- This driver supports Tundra TSI108 gigabit Ethernet ports.
- To compile this driver as a module, choose M here: the module
- will be called tsi108_eth.
-
config XILINX_LL_TEMAC
tristate "Xilinx LL TEMAC (LocalLink Tri-mode Ethernet MAC) driver"
depends on PPC || MICROBLAZE
obj-$(CONFIG_HP100) += hp100.o
obj-$(CONFIG_FORCEDETH) += forcedeth.o
-obj-$(CONFIG_TSI108_ETH) += tsi108_eth.o
ll_temac-objs := ll_temac_main.o ll_temac_mdio.o
obj-$(CONFIG_XILINX_LL_TEMAC) += ll_temac.o
obj-$(CONFIG_XILINX_EMACLITE) += xilinx_emaclite.o
source "drivers/net/ethernet/sun/Kconfig"
source "drivers/net/ethernet/tehuti/Kconfig"
source "drivers/net/ethernet/toshiba/Kconfig"
+source "drivers/net/ethernet/tundra/Kconfig"
source "drivers/net/ethernet/via/Kconfig"
endif # ETHERNET
obj-$(CONFIG_NET_VENDOR_SUN) += sun/
obj-$(CONFIG_NET_VENDOR_TEHUTI) += tehuti/
obj-$(CONFIG_NET_VENDOR_TOSHIBA) += toshiba/
+obj-$(CONFIG_NET_VENDOR_TUNDRA) += tundra/
obj-$(CONFIG_NET_VENDOR_VIA) += via/
--- /dev/null
+#
+# Tundra network device configuration
+#
+
+config NET_VENDOR_TUNDRA
+ bool "Tundra devices"
+ depends on TSI108_BRIDGE
+ ---help---
+ If you have a network (Ethernet) card belonging to this class, say Y
+ and read the Ethernet-HOWTO, available from
+ <http://www.tldp.org/docs.html#howto>.
+
+ Note that the answer to this question doesn't directly affect the
+ kernel: saying N will just cause the configurator to skip all
+ the questions about Tundra cards. If you say Y, you will be asked for
+ your specific card in the following questions.
+
+if NET_VENDOR_TUNDRA
+
+config TSI108_ETH
+ tristate "Tundra TSI108 gigabit Ethernet support"
+ depends on TSI108_BRIDGE
+ ---help---
+ This driver supports Tundra TSI108 gigabit Ethernet ports.
+ To compile this driver as a module, choose M here: the module
+ will be called tsi108_eth.
+
+endif # NET_VENDOR_TUNDRA
--- /dev/null
+#
+# Makefile for the Tundra network device drivers.
+#
+
+obj-$(CONFIG_TSI108_ETH) += tsi108_eth.o
--- /dev/null
+/*******************************************************************************
+
+ Copyright(c) 2006 Tundra Semiconductor Corporation.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ more details.
+
+ You should have received a copy of the GNU General Public License along with
+ this program; if not, write to the Free Software Foundation, Inc., 59
+ Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+*******************************************************************************/
+
+/* This driver is based on the driver code originally developed
+ * for the Intel IOC80314 (ForestLake) Gigabit Ethernet by
+ * scott.wood@timesys.com * Copyright (C) 2003 TimeSys Corporation
+ *
+ * Currently changes from original version are:
+ * - porting to Tsi108-based platform and kernel 2.6 (kong.lai@tundra.com)
+ * - modifications to handle two ports independently and support for
+ * additional PHY devices (alexandre.bounine@tundra.com)
+ * - Get hardware information from platform device. (tie-fei.zang@freescale.com)
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/net.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <linux/delay.h>
+#include <linux/crc32.h>
+#include <linux/mii.h>
+#include <linux/device.h>
+#include <linux/pci.h>
+#include <linux/rtnetlink.h>
+#include <linux/timer.h>
+#include <linux/platform_device.h>
+#include <linux/gfp.h>
+
+#include <asm/system.h>
+#include <asm/io.h>
+#include <asm/tsi108.h>
+
+#include "tsi108_eth.h"
+
+#define MII_READ_DELAY 10000 /* max link wait time in msec */
+
+#define TSI108_RXRING_LEN 256
+
+/* NOTE: The driver currently does not support receiving packets
+ * larger than the buffer size, so don't decrease this (unless you
+ * want to add such support).
+ */
+#define TSI108_RXBUF_SIZE 1536
+
+#define TSI108_TXRING_LEN 256
+
+#define TSI108_TX_INT_FREQ 64
+
+/* Check the phy status every half a second. */
+#define CHECK_PHY_INTERVAL (HZ/2)
+
+static int tsi108_init_one(struct platform_device *pdev);
+static int tsi108_ether_remove(struct platform_device *pdev);
+
+struct tsi108_prv_data {
+ void __iomem *regs; /* Base of normal regs */
+ void __iomem *phyregs; /* Base of register bank used for PHY access */
+
+ struct net_device *dev;
+ struct napi_struct napi;
+
+ unsigned int phy; /* Index of PHY for this interface */
+ unsigned int irq_num;
+ unsigned int id;
+ unsigned int phy_type;
+
+ struct timer_list timer;/* Timer that triggers the check phy function */
+ unsigned int rxtail; /* Next entry in rxring to read */
+ unsigned int rxhead; /* Next entry in rxring to give a new buffer */
+ unsigned int rxfree; /* Number of free, allocated RX buffers */
+
+ unsigned int rxpending; /* Non-zero if there are still descriptors
+ * to be processed from a previous descriptor
+ * interrupt condition that has been cleared */
+
+ unsigned int txtail; /* Next TX descriptor to check status on */
+ unsigned int txhead; /* Next TX descriptor to use */
+
+ /* Number of free TX descriptors. This could be calculated from
+ * rxhead and rxtail if one descriptor were left unused to disambiguate
+ * full and empty conditions, but it's simpler to just keep track
+ * explicitly. */
+
+ unsigned int txfree;
+
+ unsigned int phy_ok; /* The PHY is currently powered on. */
+
+ /* PHY status (duplex is 1 for half, 2 for full,
+ * so that the default 0 indicates that neither has
+ * yet been configured). */
+
+ unsigned int link_up;
+ unsigned int speed;
+ unsigned int duplex;
+
+ tx_desc *txring;
+ rx_desc *rxring;
+ struct sk_buff *txskbs[TSI108_TXRING_LEN];
+ struct sk_buff *rxskbs[TSI108_RXRING_LEN];
+
+ dma_addr_t txdma, rxdma;
+
+ /* txlock nests in misclock and phy_lock */
+
+ spinlock_t txlock, misclock;
+
+ /* stats is used to hold the upper bits of each hardware counter,
+ * and tmpstats is used to hold the full values for returning
+ * to the caller of get_stats(). They must be separate in case
+ * an overflow interrupt occurs before the stats are consumed.
+ */
+
+ struct net_device_stats stats;
+ struct net_device_stats tmpstats;
+
+ /* These stats are kept separate in hardware, thus require individual
+ * fields for handling carry. They are combined in get_stats.
+ */
+
+ unsigned long rx_fcs; /* Add to rx_frame_errors */
+ unsigned long rx_short_fcs; /* Add to rx_frame_errors */
+ unsigned long rx_long_fcs; /* Add to rx_frame_errors */
+ unsigned long rx_underruns; /* Add to rx_length_errors */
+ unsigned long rx_overruns; /* Add to rx_length_errors */
+
+ unsigned long tx_coll_abort; /* Add to tx_aborted_errors/collisions */
+ unsigned long tx_pause_drop; /* Add to tx_aborted_errors */
+
+ unsigned long mc_hash[16];
+ u32 msg_enable; /* debug message level */
+ struct mii_if_info mii_if;
+ unsigned int init_media;
+};
+
+/* Structure for a device driver */
+
+static struct platform_driver tsi_eth_driver = {
+ .probe = tsi108_init_one,
+ .remove = tsi108_ether_remove,
+ .driver = {
+ .name = "tsi-ethernet",
+ .owner = THIS_MODULE,
+ },
+};
+
+static void tsi108_timed_checker(unsigned long dev_ptr);
+
+static void dump_eth_one(struct net_device *dev)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+
+ printk("Dumping %s...\n", dev->name);
+ printk("intstat %x intmask %x phy_ok %d"
+ " link %d speed %d duplex %d\n",
+ TSI_READ(TSI108_EC_INTSTAT),
+ TSI_READ(TSI108_EC_INTMASK), data->phy_ok,
+ data->link_up, data->speed, data->duplex);
+
+ printk("TX: head %d, tail %d, free %d, stat %x, estat %x, err %x\n",
+ data->txhead, data->txtail, data->txfree,
+ TSI_READ(TSI108_EC_TXSTAT),
+ TSI_READ(TSI108_EC_TXESTAT),
+ TSI_READ(TSI108_EC_TXERR));
+
+ printk("RX: head %d, tail %d, free %d, stat %x,"
+ " estat %x, err %x, pending %d\n\n",
+ data->rxhead, data->rxtail, data->rxfree,
+ TSI_READ(TSI108_EC_RXSTAT),
+ TSI_READ(TSI108_EC_RXESTAT),
+ TSI_READ(TSI108_EC_RXERR), data->rxpending);
+}
+
+/* Synchronization is needed between the thread and up/down events.
+ * Note that the PHY is accessed through the same registers for both
+ * interfaces, so this can't be made interface-specific.
+ */
+
+static DEFINE_SPINLOCK(phy_lock);
+
+static int tsi108_read_mii(struct tsi108_prv_data *data, int reg)
+{
+ unsigned i;
+
+ TSI_WRITE_PHY(TSI108_MAC_MII_ADDR,
+ (data->phy << TSI108_MAC_MII_ADDR_PHY) |
+ (reg << TSI108_MAC_MII_ADDR_REG));
+ TSI_WRITE_PHY(TSI108_MAC_MII_CMD, 0);
+ TSI_WRITE_PHY(TSI108_MAC_MII_CMD, TSI108_MAC_MII_CMD_READ);
+ for (i = 0; i < 100; i++) {
+ if (!(TSI_READ_PHY(TSI108_MAC_MII_IND) &
+ (TSI108_MAC_MII_IND_NOTVALID | TSI108_MAC_MII_IND_BUSY)))
+ break;
+ udelay(10);
+ }
+
+ if (i == 100)
+ return 0xffff;
+ else
+ return TSI_READ_PHY(TSI108_MAC_MII_DATAIN);
+}
+
+static void tsi108_write_mii(struct tsi108_prv_data *data,
+ int reg, u16 val)
+{
+ unsigned i = 100;
+ TSI_WRITE_PHY(TSI108_MAC_MII_ADDR,
+ (data->phy << TSI108_MAC_MII_ADDR_PHY) |
+ (reg << TSI108_MAC_MII_ADDR_REG));
+ TSI_WRITE_PHY(TSI108_MAC_MII_DATAOUT, val);
+ while (i--) {
+ if(!(TSI_READ_PHY(TSI108_MAC_MII_IND) &
+ TSI108_MAC_MII_IND_BUSY))
+ break;
+ udelay(10);
+ }
+}
+
+static int tsi108_mdio_read(struct net_device *dev, int addr, int reg)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ return tsi108_read_mii(data, reg);
+}
+
+static void tsi108_mdio_write(struct net_device *dev, int addr, int reg, int val)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ tsi108_write_mii(data, reg, val);
+}
+
+static inline void tsi108_write_tbi(struct tsi108_prv_data *data,
+ int reg, u16 val)
+{
+ unsigned i = 1000;
+ TSI_WRITE(TSI108_MAC_MII_ADDR,
+ (0x1e << TSI108_MAC_MII_ADDR_PHY)
+ | (reg << TSI108_MAC_MII_ADDR_REG));
+ TSI_WRITE(TSI108_MAC_MII_DATAOUT, val);
+ while(i--) {
+ if(!(TSI_READ(TSI108_MAC_MII_IND) & TSI108_MAC_MII_IND_BUSY))
+ return;
+ udelay(10);
+ }
+ printk(KERN_ERR "%s function time out\n", __func__);
+}
+
+static int mii_speed(struct mii_if_info *mii)
+{
+ int advert, lpa, val, media;
+ int lpa2 = 0;
+ int speed;
+
+ if (!mii_link_ok(mii))
+ return 0;
+
+ val = (*mii->mdio_read) (mii->dev, mii->phy_id, MII_BMSR);
+ if ((val & BMSR_ANEGCOMPLETE) == 0)
+ return 0;
+
+ advert = (*mii->mdio_read) (mii->dev, mii->phy_id, MII_ADVERTISE);
+ lpa = (*mii->mdio_read) (mii->dev, mii->phy_id, MII_LPA);
+ media = mii_nway_result(advert & lpa);
+
+ if (mii->supports_gmii)
+ lpa2 = mii->mdio_read(mii->dev, mii->phy_id, MII_STAT1000);
+
+ speed = lpa2 & (LPA_1000FULL | LPA_1000HALF) ? 1000 :
+ (media & (ADVERTISE_100FULL | ADVERTISE_100HALF) ? 100 : 10);
+ return speed;
+}
+
+static void tsi108_check_phy(struct net_device *dev)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ u32 mac_cfg2_reg, portctrl_reg;
+ u32 duplex;
+ u32 speed;
+ unsigned long flags;
+
+ spin_lock_irqsave(&phy_lock, flags);
+
+ if (!data->phy_ok)
+ goto out;
+
+ duplex = mii_check_media(&data->mii_if, netif_msg_link(data), data->init_media);
+ data->init_media = 0;
+
+ if (netif_carrier_ok(dev)) {
+
+ speed = mii_speed(&data->mii_if);
+
+ if ((speed != data->speed) || duplex) {
+
+ mac_cfg2_reg = TSI_READ(TSI108_MAC_CFG2);
+ portctrl_reg = TSI_READ(TSI108_EC_PORTCTRL);
+
+ mac_cfg2_reg &= ~TSI108_MAC_CFG2_IFACE_MASK;
+
+ if (speed == 1000) {
+ mac_cfg2_reg |= TSI108_MAC_CFG2_GIG;
+ portctrl_reg &= ~TSI108_EC_PORTCTRL_NOGIG;
+ } else {
+ mac_cfg2_reg |= TSI108_MAC_CFG2_NOGIG;
+ portctrl_reg |= TSI108_EC_PORTCTRL_NOGIG;
+ }
+
+ data->speed = speed;
+
+ if (data->mii_if.full_duplex) {
+ mac_cfg2_reg |= TSI108_MAC_CFG2_FULLDUPLEX;
+ portctrl_reg &= ~TSI108_EC_PORTCTRL_HALFDUPLEX;
+ data->duplex = 2;
+ } else {
+ mac_cfg2_reg &= ~TSI108_MAC_CFG2_FULLDUPLEX;
+ portctrl_reg |= TSI108_EC_PORTCTRL_HALFDUPLEX;
+ data->duplex = 1;
+ }
+
+ TSI_WRITE(TSI108_MAC_CFG2, mac_cfg2_reg);
+ TSI_WRITE(TSI108_EC_PORTCTRL, portctrl_reg);
+ }
+
+ if (data->link_up == 0) {
+ /* The manual says it can take 3-4 usecs for the speed change
+ * to take effect.
+ */
+ udelay(5);
+
+ spin_lock(&data->txlock);
+ if (is_valid_ether_addr(dev->dev_addr) && data->txfree)
+ netif_wake_queue(dev);
+
+ data->link_up = 1;
+ spin_unlock(&data->txlock);
+ }
+ } else {
+ if (data->link_up == 1) {
+ netif_stop_queue(dev);
+ data->link_up = 0;
+ printk(KERN_NOTICE "%s : link is down\n", dev->name);
+ }
+
+ goto out;
+ }
+
+
+out:
+ spin_unlock_irqrestore(&phy_lock, flags);
+}
+
+static inline void
+tsi108_stat_carry_one(int carry, int carry_bit, int carry_shift,
+ unsigned long *upper)
+{
+ if (carry & carry_bit)
+ *upper += carry_shift;
+}
+
+static void tsi108_stat_carry(struct net_device *dev)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ u32 carry1, carry2;
+
+ spin_lock_irq(&data->misclock);
+
+ carry1 = TSI_READ(TSI108_STAT_CARRY1);
+ carry2 = TSI_READ(TSI108_STAT_CARRY2);
+
+ TSI_WRITE(TSI108_STAT_CARRY1, carry1);
+ TSI_WRITE(TSI108_STAT_CARRY2, carry2);
+
+ tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXBYTES,
+ TSI108_STAT_RXBYTES_CARRY, &data->stats.rx_bytes);
+
+ tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXPKTS,
+ TSI108_STAT_RXPKTS_CARRY,
+ &data->stats.rx_packets);
+
+ tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXFCS,
+ TSI108_STAT_RXFCS_CARRY, &data->rx_fcs);
+
+ tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXMCAST,
+ TSI108_STAT_RXMCAST_CARRY,
+ &data->stats.multicast);
+
+ tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXALIGN,
+ TSI108_STAT_RXALIGN_CARRY,
+ &data->stats.rx_frame_errors);
+
+ tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXLENGTH,
+ TSI108_STAT_RXLENGTH_CARRY,
+ &data->stats.rx_length_errors);
+
+ tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXRUNT,
+ TSI108_STAT_RXRUNT_CARRY, &data->rx_underruns);
+
+ tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXJUMBO,
+ TSI108_STAT_RXJUMBO_CARRY, &data->rx_overruns);
+
+ tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXFRAG,
+ TSI108_STAT_RXFRAG_CARRY, &data->rx_short_fcs);
+
+ tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXJABBER,
+ TSI108_STAT_RXJABBER_CARRY, &data->rx_long_fcs);
+
+ tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXDROP,
+ TSI108_STAT_RXDROP_CARRY,
+ &data->stats.rx_missed_errors);
+
+ tsi108_stat_carry_one(carry2, TSI108_STAT_CARRY2_TXBYTES,
+ TSI108_STAT_TXBYTES_CARRY, &data->stats.tx_bytes);
+
+ tsi108_stat_carry_one(carry2, TSI108_STAT_CARRY2_TXPKTS,
+ TSI108_STAT_TXPKTS_CARRY,
+ &data->stats.tx_packets);
+
+ tsi108_stat_carry_one(carry2, TSI108_STAT_CARRY2_TXEXDEF,
+ TSI108_STAT_TXEXDEF_CARRY,
+ &data->stats.tx_aborted_errors);
+
+ tsi108_stat_carry_one(carry2, TSI108_STAT_CARRY2_TXEXCOL,
+ TSI108_STAT_TXEXCOL_CARRY, &data->tx_coll_abort);
+
+ tsi108_stat_carry_one(carry2, TSI108_STAT_CARRY2_TXTCOL,
+ TSI108_STAT_TXTCOL_CARRY,
+ &data->stats.collisions);
+
+ tsi108_stat_carry_one(carry2, TSI108_STAT_CARRY2_TXPAUSE,
+ TSI108_STAT_TXPAUSEDROP_CARRY,
+ &data->tx_pause_drop);
+
+ spin_unlock_irq(&data->misclock);
+}
+
+/* Read a stat counter atomically with respect to carries.
+ * data->misclock must be held.
+ */
+static inline unsigned long
+tsi108_read_stat(struct tsi108_prv_data * data, int reg, int carry_bit,
+ int carry_shift, unsigned long *upper)
+{
+ int carryreg;
+ unsigned long val;
+
+ if (reg < 0xb0)
+ carryreg = TSI108_STAT_CARRY1;
+ else
+ carryreg = TSI108_STAT_CARRY2;
+
+ again:
+ val = TSI_READ(reg) | *upper;
+
+ /* Check to see if it overflowed, but the interrupt hasn't
+ * been serviced yet. If so, handle the carry here, and
+ * try again.
+ */
+
+ if (unlikely(TSI_READ(carryreg) & carry_bit)) {
+ *upper += carry_shift;
+ TSI_WRITE(carryreg, carry_bit);
+ goto again;
+ }
+
+ return val;
+}
+
+static struct net_device_stats *tsi108_get_stats(struct net_device *dev)
+{
+ unsigned long excol;
+
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ spin_lock_irq(&data->misclock);
+
+ data->tmpstats.rx_packets =
+ tsi108_read_stat(data, TSI108_STAT_RXPKTS,
+ TSI108_STAT_CARRY1_RXPKTS,
+ TSI108_STAT_RXPKTS_CARRY, &data->stats.rx_packets);
+
+ data->tmpstats.tx_packets =
+ tsi108_read_stat(data, TSI108_STAT_TXPKTS,
+ TSI108_STAT_CARRY2_TXPKTS,
+ TSI108_STAT_TXPKTS_CARRY, &data->stats.tx_packets);
+
+ data->tmpstats.rx_bytes =
+ tsi108_read_stat(data, TSI108_STAT_RXBYTES,
+ TSI108_STAT_CARRY1_RXBYTES,
+ TSI108_STAT_RXBYTES_CARRY, &data->stats.rx_bytes);
+
+ data->tmpstats.tx_bytes =
+ tsi108_read_stat(data, TSI108_STAT_TXBYTES,
+ TSI108_STAT_CARRY2_TXBYTES,
+ TSI108_STAT_TXBYTES_CARRY, &data->stats.tx_bytes);
+
+ data->tmpstats.multicast =
+ tsi108_read_stat(data, TSI108_STAT_RXMCAST,
+ TSI108_STAT_CARRY1_RXMCAST,
+ TSI108_STAT_RXMCAST_CARRY, &data->stats.multicast);
+
+ excol = tsi108_read_stat(data, TSI108_STAT_TXEXCOL,
+ TSI108_STAT_CARRY2_TXEXCOL,
+ TSI108_STAT_TXEXCOL_CARRY,
+ &data->tx_coll_abort);
+
+ data->tmpstats.collisions =
+ tsi108_read_stat(data, TSI108_STAT_TXTCOL,
+ TSI108_STAT_CARRY2_TXTCOL,
+ TSI108_STAT_TXTCOL_CARRY, &data->stats.collisions);
+
+ data->tmpstats.collisions += excol;
+
+ data->tmpstats.rx_length_errors =
+ tsi108_read_stat(data, TSI108_STAT_RXLENGTH,
+ TSI108_STAT_CARRY1_RXLENGTH,
+ TSI108_STAT_RXLENGTH_CARRY,
+ &data->stats.rx_length_errors);
+
+ data->tmpstats.rx_length_errors +=
+ tsi108_read_stat(data, TSI108_STAT_RXRUNT,
+ TSI108_STAT_CARRY1_RXRUNT,
+ TSI108_STAT_RXRUNT_CARRY, &data->rx_underruns);
+
+ data->tmpstats.rx_length_errors +=
+ tsi108_read_stat(data, TSI108_STAT_RXJUMBO,
+ TSI108_STAT_CARRY1_RXJUMBO,
+ TSI108_STAT_RXJUMBO_CARRY, &data->rx_overruns);
+
+ data->tmpstats.rx_frame_errors =
+ tsi108_read_stat(data, TSI108_STAT_RXALIGN,
+ TSI108_STAT_CARRY1_RXALIGN,
+ TSI108_STAT_RXALIGN_CARRY,
+ &data->stats.rx_frame_errors);
+
+ data->tmpstats.rx_frame_errors +=
+ tsi108_read_stat(data, TSI108_STAT_RXFCS,
+ TSI108_STAT_CARRY1_RXFCS, TSI108_STAT_RXFCS_CARRY,
+ &data->rx_fcs);
+
+ data->tmpstats.rx_frame_errors +=
+ tsi108_read_stat(data, TSI108_STAT_RXFRAG,
+ TSI108_STAT_CARRY1_RXFRAG,
+ TSI108_STAT_RXFRAG_CARRY, &data->rx_short_fcs);
+
+ data->tmpstats.rx_missed_errors =
+ tsi108_read_stat(data, TSI108_STAT_RXDROP,
+ TSI108_STAT_CARRY1_RXDROP,
+ TSI108_STAT_RXDROP_CARRY,
+ &data->stats.rx_missed_errors);
+
+ /* These three are maintained by software. */
+ data->tmpstats.rx_fifo_errors = data->stats.rx_fifo_errors;
+ data->tmpstats.rx_crc_errors = data->stats.rx_crc_errors;
+
+ data->tmpstats.tx_aborted_errors =
+ tsi108_read_stat(data, TSI108_STAT_TXEXDEF,
+ TSI108_STAT_CARRY2_TXEXDEF,
+ TSI108_STAT_TXEXDEF_CARRY,
+ &data->stats.tx_aborted_errors);
+
+ data->tmpstats.tx_aborted_errors +=
+ tsi108_read_stat(data, TSI108_STAT_TXPAUSEDROP,
+ TSI108_STAT_CARRY2_TXPAUSE,
+ TSI108_STAT_TXPAUSEDROP_CARRY,
+ &data->tx_pause_drop);
+
+ data->tmpstats.tx_aborted_errors += excol;
+
+ data->tmpstats.tx_errors = data->tmpstats.tx_aborted_errors;
+ data->tmpstats.rx_errors = data->tmpstats.rx_length_errors +
+ data->tmpstats.rx_crc_errors +
+ data->tmpstats.rx_frame_errors +
+ data->tmpstats.rx_fifo_errors + data->tmpstats.rx_missed_errors;
+
+ spin_unlock_irq(&data->misclock);
+ return &data->tmpstats;
+}
+
+static void tsi108_restart_rx(struct tsi108_prv_data * data, struct net_device *dev)
+{
+ TSI_WRITE(TSI108_EC_RXQ_PTRHIGH,
+ TSI108_EC_RXQ_PTRHIGH_VALID);
+
+ TSI_WRITE(TSI108_EC_RXCTRL, TSI108_EC_RXCTRL_GO
+ | TSI108_EC_RXCTRL_QUEUE0);
+}
+
+static void tsi108_restart_tx(struct tsi108_prv_data * data)
+{
+ TSI_WRITE(TSI108_EC_TXQ_PTRHIGH,
+ TSI108_EC_TXQ_PTRHIGH_VALID);
+
+ TSI_WRITE(TSI108_EC_TXCTRL, TSI108_EC_TXCTRL_IDLEINT |
+ TSI108_EC_TXCTRL_GO | TSI108_EC_TXCTRL_QUEUE0);
+}
+
+/* txlock must be held by caller, with IRQs disabled, and
+ * with permission to re-enable them when the lock is dropped.
+ */
+static void tsi108_complete_tx(struct net_device *dev)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ int tx;
+ struct sk_buff *skb;
+ int release = 0;
+
+ while (!data->txfree || data->txhead != data->txtail) {
+ tx = data->txtail;
+
+ if (data->txring[tx].misc & TSI108_TX_OWN)
+ break;
+
+ skb = data->txskbs[tx];
+
+ if (!(data->txring[tx].misc & TSI108_TX_OK))
+ printk("%s: bad tx packet, misc %x\n",
+ dev->name, data->txring[tx].misc);
+
+ data->txtail = (data->txtail + 1) % TSI108_TXRING_LEN;
+ data->txfree++;
+
+ if (data->txring[tx].misc & TSI108_TX_EOF) {
+ dev_kfree_skb_any(skb);
+ release++;
+ }
+ }
+
+ if (release) {
+ if (is_valid_ether_addr(dev->dev_addr) && data->link_up)
+ netif_wake_queue(dev);
+ }
+}
+
+static int tsi108_send_packet(struct sk_buff * skb, struct net_device *dev)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ int frags = skb_shinfo(skb)->nr_frags + 1;
+ int i;
+
+ if (!data->phy_ok && net_ratelimit())
+ printk(KERN_ERR "%s: Transmit while PHY is down!\n", dev->name);
+
+ if (!data->link_up) {
+ printk(KERN_ERR "%s: Transmit while link is down!\n",
+ dev->name);
+ netif_stop_queue(dev);
+ return NETDEV_TX_BUSY;
+ }
+
+ if (data->txfree < MAX_SKB_FRAGS + 1) {
+ netif_stop_queue(dev);
+
+ if (net_ratelimit())
+ printk(KERN_ERR "%s: Transmit with full tx ring!\n",
+ dev->name);
+ return NETDEV_TX_BUSY;
+ }
+
+ if (data->txfree - frags < MAX_SKB_FRAGS + 1) {
+ netif_stop_queue(dev);
+ }
+
+ spin_lock_irq(&data->txlock);
+
+ for (i = 0; i < frags; i++) {
+ int misc = 0;
+ int tx = data->txhead;
+
+ /* This is done to mark every TSI108_TX_INT_FREQ tx buffers with
+ * the interrupt bit. TX descriptor-complete interrupts are
+ * enabled when the queue fills up, and masked when there is
+ * still free space. This way, when saturating the outbound
+ * link, the tx interrupts are kept to a reasonable level.
+ * When the queue is not full, reclamation of skbs still occurs
+ * as new packets are transmitted, or on a queue-empty
+ * interrupt.
+ */
+
+ if ((tx % TSI108_TX_INT_FREQ == 0) &&
+ ((TSI108_TXRING_LEN - data->txfree) >= TSI108_TX_INT_FREQ))
+ misc = TSI108_TX_INT;
+
+ data->txskbs[tx] = skb;
+
+ if (i == 0) {
+ data->txring[tx].buf0 = dma_map_single(NULL, skb->data,
+ skb_headlen(skb), DMA_TO_DEVICE);
+ data->txring[tx].len = skb_headlen(skb);
+ misc |= TSI108_TX_SOF;
+ } else {
+ skb_frag_t *frag = &skb_shinfo(skb)->frags[i - 1];
+
+ data->txring[tx].buf0 =
+ dma_map_page(NULL, frag->page, frag->page_offset,
+ frag->size, DMA_TO_DEVICE);
+ data->txring[tx].len = frag->size;
+ }
+
+ if (i == frags - 1)
+ misc |= TSI108_TX_EOF;
+
+ if (netif_msg_pktdata(data)) {
+ int i;
+ printk("%s: Tx Frame contents (%d)\n", dev->name,
+ skb->len);
+ for (i = 0; i < skb->len; i++)
+ printk(" %2.2x", skb->data[i]);
+ printk(".\n");
+ }
+ data->txring[tx].misc = misc | TSI108_TX_OWN;
+
+ data->txhead = (data->txhead + 1) % TSI108_TXRING_LEN;
+ data->txfree--;
+ }
+
+ tsi108_complete_tx(dev);
+
+ /* This must be done after the check for completed tx descriptors,
+ * so that the tail pointer is correct.
+ */
+
+ if (!(TSI_READ(TSI108_EC_TXSTAT) & TSI108_EC_TXSTAT_QUEUE0))
+ tsi108_restart_tx(data);
+
+ spin_unlock_irq(&data->txlock);
+ return NETDEV_TX_OK;
+}
+
+static int tsi108_complete_rx(struct net_device *dev, int budget)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ int done = 0;
+
+ while (data->rxfree && done != budget) {
+ int rx = data->rxtail;
+ struct sk_buff *skb;
+
+ if (data->rxring[rx].misc & TSI108_RX_OWN)
+ break;
+
+ skb = data->rxskbs[rx];
+ data->rxtail = (data->rxtail + 1) % TSI108_RXRING_LEN;
+ data->rxfree--;
+ done++;
+
+ if (data->rxring[rx].misc & TSI108_RX_BAD) {
+ spin_lock_irq(&data->misclock);
+
+ if (data->rxring[rx].misc & TSI108_RX_CRC)
+ data->stats.rx_crc_errors++;
+ if (data->rxring[rx].misc & TSI108_RX_OVER)
+ data->stats.rx_fifo_errors++;
+
+ spin_unlock_irq(&data->misclock);
+
+ dev_kfree_skb_any(skb);
+ continue;
+ }
+ if (netif_msg_pktdata(data)) {
+ int i;
+ printk("%s: Rx Frame contents (%d)\n",
+ dev->name, data->rxring[rx].len);
+ for (i = 0; i < data->rxring[rx].len; i++)
+ printk(" %2.2x", skb->data[i]);
+ printk(".\n");
+ }
+
+ skb_put(skb, data->rxring[rx].len);
+ skb->protocol = eth_type_trans(skb, dev);
+ netif_receive_skb(skb);
+ }
+
+ return done;
+}
+
+static int tsi108_refill_rx(struct net_device *dev, int budget)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ int done = 0;
+
+ while (data->rxfree != TSI108_RXRING_LEN && done != budget) {
+ int rx = data->rxhead;
+ struct sk_buff *skb;
+
+ skb = netdev_alloc_skb_ip_align(dev, TSI108_RXBUF_SIZE);
+ data->rxskbs[rx] = skb;
+ if (!skb)
+ break;
+
+ data->rxring[rx].buf0 = dma_map_single(NULL, skb->data,
+ TSI108_RX_SKB_SIZE,
+ DMA_FROM_DEVICE);
+
+ /* Sometimes the hardware sets blen to zero after packet
+ * reception, even though the manual says that it's only ever
+ * modified by the driver.
+ */
+
+ data->rxring[rx].blen = TSI108_RX_SKB_SIZE;
+ data->rxring[rx].misc = TSI108_RX_OWN | TSI108_RX_INT;
+
+ data->rxhead = (data->rxhead + 1) % TSI108_RXRING_LEN;
+ data->rxfree++;
+ done++;
+ }
+
+ if (done != 0 && !(TSI_READ(TSI108_EC_RXSTAT) &
+ TSI108_EC_RXSTAT_QUEUE0))
+ tsi108_restart_rx(data, dev);
+
+ return done;
+}
+
+static int tsi108_poll(struct napi_struct *napi, int budget)
+{
+ struct tsi108_prv_data *data = container_of(napi, struct tsi108_prv_data, napi);
+ struct net_device *dev = data->dev;
+ u32 estat = TSI_READ(TSI108_EC_RXESTAT);
+ u32 intstat = TSI_READ(TSI108_EC_INTSTAT);
+ int num_received = 0, num_filled = 0;
+
+ intstat &= TSI108_INT_RXQUEUE0 | TSI108_INT_RXTHRESH |
+ TSI108_INT_RXOVERRUN | TSI108_INT_RXERROR | TSI108_INT_RXWAIT;
+
+ TSI_WRITE(TSI108_EC_RXESTAT, estat);
+ TSI_WRITE(TSI108_EC_INTSTAT, intstat);
+
+ if (data->rxpending || (estat & TSI108_EC_RXESTAT_Q0_DESCINT))
+ num_received = tsi108_complete_rx(dev, budget);
+
+ /* This should normally fill no more slots than the number of
+ * packets received in tsi108_complete_rx(). The exception
+ * is when we previously ran out of memory for RX SKBs. In that
+ * case, it's helpful to obey the budget, not only so that the
+ * CPU isn't hogged, but so that memory (which may still be low)
+ * is not hogged by one device.
+ *
+ * A work unit is considered to be two SKBs to allow us to catch
+ * up when the ring has shrunk due to out-of-memory but we're
+ * still removing the full budget's worth of packets each time.
+ */
+
+ if (data->rxfree < TSI108_RXRING_LEN)
+ num_filled = tsi108_refill_rx(dev, budget * 2);
+
+ if (intstat & TSI108_INT_RXERROR) {
+ u32 err = TSI_READ(TSI108_EC_RXERR);
+ TSI_WRITE(TSI108_EC_RXERR, err);
+
+ if (err) {
+ if (net_ratelimit())
+ printk(KERN_DEBUG "%s: RX error %x\n",
+ dev->name, err);
+
+ if (!(TSI_READ(TSI108_EC_RXSTAT) &
+ TSI108_EC_RXSTAT_QUEUE0))
+ tsi108_restart_rx(data, dev);
+ }
+ }
+
+ if (intstat & TSI108_INT_RXOVERRUN) {
+ spin_lock_irq(&data->misclock);
+ data->stats.rx_fifo_errors++;
+ spin_unlock_irq(&data->misclock);
+ }
+
+ if (num_received < budget) {
+ data->rxpending = 0;
+ napi_complete(napi);
+
+ TSI_WRITE(TSI108_EC_INTMASK,
+ TSI_READ(TSI108_EC_INTMASK)
+ & ~(TSI108_INT_RXQUEUE0
+ | TSI108_INT_RXTHRESH |
+ TSI108_INT_RXOVERRUN |
+ TSI108_INT_RXERROR |
+ TSI108_INT_RXWAIT));
+ } else {
+ data->rxpending = 1;
+ }
+
+ return num_received;
+}
+
+static void tsi108_rx_int(struct net_device *dev)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+
+ /* A race could cause dev to already be scheduled, so it's not an
+ * error if that happens (and interrupts shouldn't be re-masked,
+ * because that can cause harmful races, if poll has already
+ * unmasked them but not cleared LINK_STATE_SCHED).
+ *
+ * This can happen if this code races with tsi108_poll(), which masks
+ * the interrupts after tsi108_irq_one() read the mask, but before
+ * napi_schedule is called. It could also happen due to calls
+ * from tsi108_check_rxring().
+ */
+
+ if (napi_schedule_prep(&data->napi)) {
+ /* Mask, rather than ack, the receive interrupts. The ack
+ * will happen in tsi108_poll().
+ */
+
+ TSI_WRITE(TSI108_EC_INTMASK,
+ TSI_READ(TSI108_EC_INTMASK) |
+ TSI108_INT_RXQUEUE0
+ | TSI108_INT_RXTHRESH |
+ TSI108_INT_RXOVERRUN | TSI108_INT_RXERROR |
+ TSI108_INT_RXWAIT);
+ __napi_schedule(&data->napi);
+ } else {
+ if (!netif_running(dev)) {
+ /* This can happen if an interrupt occurs while the
+ * interface is being brought down, as the START
+ * bit is cleared before the stop function is called.
+ *
+ * In this case, the interrupts must be masked, or
+ * they will continue indefinitely.
+ *
+ * There's a race here if the interface is brought down
+ * and then up in rapid succession, as the device could
+ * be made running after the above check and before
+ * the masking below. This will only happen if the IRQ
+ * thread has a lower priority than the task brining
+ * up the interface. Fixing this race would likely
+ * require changes in generic code.
+ */
+
+ TSI_WRITE(TSI108_EC_INTMASK,
+ TSI_READ
+ (TSI108_EC_INTMASK) |
+ TSI108_INT_RXQUEUE0 |
+ TSI108_INT_RXTHRESH |
+ TSI108_INT_RXOVERRUN |
+ TSI108_INT_RXERROR |
+ TSI108_INT_RXWAIT);
+ }
+ }
+}
+
+/* If the RX ring has run out of memory, try periodically
+ * to allocate some more, as otherwise poll would never
+ * get called (apart from the initial end-of-queue condition).
+ *
+ * This is called once per second (by default) from the thread.
+ */
+
+static void tsi108_check_rxring(struct net_device *dev)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+
+ /* A poll is scheduled, as opposed to caling tsi108_refill_rx
+ * directly, so as to keep the receive path single-threaded
+ * (and thus not needing a lock).
+ */
+
+ if (netif_running(dev) && data->rxfree < TSI108_RXRING_LEN / 4)
+ tsi108_rx_int(dev);
+}
+
+static void tsi108_tx_int(struct net_device *dev)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ u32 estat = TSI_READ(TSI108_EC_TXESTAT);
+
+ TSI_WRITE(TSI108_EC_TXESTAT, estat);
+ TSI_WRITE(TSI108_EC_INTSTAT, TSI108_INT_TXQUEUE0 |
+ TSI108_INT_TXIDLE | TSI108_INT_TXERROR);
+ if (estat & TSI108_EC_TXESTAT_Q0_ERR) {
+ u32 err = TSI_READ(TSI108_EC_TXERR);
+ TSI_WRITE(TSI108_EC_TXERR, err);
+
+ if (err && net_ratelimit())
+ printk(KERN_ERR "%s: TX error %x\n", dev->name, err);
+ }
+
+ if (estat & (TSI108_EC_TXESTAT_Q0_DESCINT | TSI108_EC_TXESTAT_Q0_EOQ)) {
+ spin_lock(&data->txlock);
+ tsi108_complete_tx(dev);
+ spin_unlock(&data->txlock);
+ }
+}
+
+
+static irqreturn_t tsi108_irq(int irq, void *dev_id)
+{
+ struct net_device *dev = dev_id;
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ u32 stat = TSI_READ(TSI108_EC_INTSTAT);
+
+ if (!(stat & TSI108_INT_ANY))
+ return IRQ_NONE; /* Not our interrupt */
+
+ stat &= ~TSI_READ(TSI108_EC_INTMASK);
+
+ if (stat & (TSI108_INT_TXQUEUE0 | TSI108_INT_TXIDLE |
+ TSI108_INT_TXERROR))
+ tsi108_tx_int(dev);
+ if (stat & (TSI108_INT_RXQUEUE0 | TSI108_INT_RXTHRESH |
+ TSI108_INT_RXWAIT | TSI108_INT_RXOVERRUN |
+ TSI108_INT_RXERROR))
+ tsi108_rx_int(dev);
+
+ if (stat & TSI108_INT_SFN) {
+ if (net_ratelimit())
+ printk(KERN_DEBUG "%s: SFN error\n", dev->name);
+ TSI_WRITE(TSI108_EC_INTSTAT, TSI108_INT_SFN);
+ }
+
+ if (stat & TSI108_INT_STATCARRY) {
+ tsi108_stat_carry(dev);
+ TSI_WRITE(TSI108_EC_INTSTAT, TSI108_INT_STATCARRY);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static void tsi108_stop_ethernet(struct net_device *dev)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ int i = 1000;
+ /* Disable all TX and RX queues ... */
+ TSI_WRITE(TSI108_EC_TXCTRL, 0);
+ TSI_WRITE(TSI108_EC_RXCTRL, 0);
+
+ /* ...and wait for them to become idle */
+ while(i--) {
+ if(!(TSI_READ(TSI108_EC_TXSTAT) & TSI108_EC_TXSTAT_ACTIVE))
+ break;
+ udelay(10);
+ }
+ i = 1000;
+ while(i--){
+ if(!(TSI_READ(TSI108_EC_RXSTAT) & TSI108_EC_RXSTAT_ACTIVE))
+ return;
+ udelay(10);
+ }
+ printk(KERN_ERR "%s function time out\n", __func__);
+}
+
+static void tsi108_reset_ether(struct tsi108_prv_data * data)
+{
+ TSI_WRITE(TSI108_MAC_CFG1, TSI108_MAC_CFG1_SOFTRST);
+ udelay(100);
+ TSI_WRITE(TSI108_MAC_CFG1, 0);
+
+ TSI_WRITE(TSI108_EC_PORTCTRL, TSI108_EC_PORTCTRL_STATRST);
+ udelay(100);
+ TSI_WRITE(TSI108_EC_PORTCTRL,
+ TSI_READ(TSI108_EC_PORTCTRL) &
+ ~TSI108_EC_PORTCTRL_STATRST);
+
+ TSI_WRITE(TSI108_EC_TXCFG, TSI108_EC_TXCFG_RST);
+ udelay(100);
+ TSI_WRITE(TSI108_EC_TXCFG,
+ TSI_READ(TSI108_EC_TXCFG) &
+ ~TSI108_EC_TXCFG_RST);
+
+ TSI_WRITE(TSI108_EC_RXCFG, TSI108_EC_RXCFG_RST);
+ udelay(100);
+ TSI_WRITE(TSI108_EC_RXCFG,
+ TSI_READ(TSI108_EC_RXCFG) &
+ ~TSI108_EC_RXCFG_RST);
+
+ TSI_WRITE(TSI108_MAC_MII_MGMT_CFG,
+ TSI_READ(TSI108_MAC_MII_MGMT_CFG) |
+ TSI108_MAC_MII_MGMT_RST);
+ udelay(100);
+ TSI_WRITE(TSI108_MAC_MII_MGMT_CFG,
+ (TSI_READ(TSI108_MAC_MII_MGMT_CFG) &
+ ~(TSI108_MAC_MII_MGMT_RST |
+ TSI108_MAC_MII_MGMT_CLK)) | 0x07);
+}
+
+static int tsi108_get_mac(struct net_device *dev)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ u32 word1 = TSI_READ(TSI108_MAC_ADDR1);
+ u32 word2 = TSI_READ(TSI108_MAC_ADDR2);
+
+ /* Note that the octets are reversed from what the manual says,
+ * producing an even weirder ordering...
+ */
+ if (word2 == 0 && word1 == 0) {
+ dev->dev_addr[0] = 0x00;
+ dev->dev_addr[1] = 0x06;
+ dev->dev_addr[2] = 0xd2;
+ dev->dev_addr[3] = 0x00;
+ dev->dev_addr[4] = 0x00;
+ if (0x8 == data->phy)
+ dev->dev_addr[5] = 0x01;
+ else
+ dev->dev_addr[5] = 0x02;
+
+ word2 = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 24);
+
+ word1 = (dev->dev_addr[2] << 0) | (dev->dev_addr[3] << 8) |
+ (dev->dev_addr[4] << 16) | (dev->dev_addr[5] << 24);
+
+ TSI_WRITE(TSI108_MAC_ADDR1, word1);
+ TSI_WRITE(TSI108_MAC_ADDR2, word2);
+ } else {
+ dev->dev_addr[0] = (word2 >> 16) & 0xff;
+ dev->dev_addr[1] = (word2 >> 24) & 0xff;
+ dev->dev_addr[2] = (word1 >> 0) & 0xff;
+ dev->dev_addr[3] = (word1 >> 8) & 0xff;
+ dev->dev_addr[4] = (word1 >> 16) & 0xff;
+ dev->dev_addr[5] = (word1 >> 24) & 0xff;
+ }
+
+ if (!is_valid_ether_addr(dev->dev_addr)) {
+ printk(KERN_ERR
+ "%s: Invalid MAC address. word1: %08x, word2: %08x\n",
+ dev->name, word1, word2);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int tsi108_set_mac(struct net_device *dev, void *addr)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ u32 word1, word2;
+ int i;
+
+ if (!is_valid_ether_addr(addr))
+ return -EINVAL;
+
+ for (i = 0; i < 6; i++)
+ /* +2 is for the offset of the HW addr type */
+ dev->dev_addr[i] = ((unsigned char *)addr)[i + 2];
+
+ word2 = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 24);
+
+ word1 = (dev->dev_addr[2] << 0) | (dev->dev_addr[3] << 8) |
+ (dev->dev_addr[4] << 16) | (dev->dev_addr[5] << 24);
+
+ spin_lock_irq(&data->misclock);
+ TSI_WRITE(TSI108_MAC_ADDR1, word1);
+ TSI_WRITE(TSI108_MAC_ADDR2, word2);
+ spin_lock(&data->txlock);
+
+ if (data->txfree && data->link_up)
+ netif_wake_queue(dev);
+
+ spin_unlock(&data->txlock);
+ spin_unlock_irq(&data->misclock);
+ return 0;
+}
+
+/* Protected by dev->xmit_lock. */
+static void tsi108_set_rx_mode(struct net_device *dev)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ u32 rxcfg = TSI_READ(TSI108_EC_RXCFG);
+
+ if (dev->flags & IFF_PROMISC) {
+ rxcfg &= ~(TSI108_EC_RXCFG_UC_HASH | TSI108_EC_RXCFG_MC_HASH);
+ rxcfg |= TSI108_EC_RXCFG_UFE | TSI108_EC_RXCFG_MFE;
+ goto out;
+ }
+
+ rxcfg &= ~(TSI108_EC_RXCFG_UFE | TSI108_EC_RXCFG_MFE);
+
+ if (dev->flags & IFF_ALLMULTI || !netdev_mc_empty(dev)) {
+ int i;
+ struct netdev_hw_addr *ha;
+ rxcfg |= TSI108_EC_RXCFG_MFE | TSI108_EC_RXCFG_MC_HASH;
+
+ memset(data->mc_hash, 0, sizeof(data->mc_hash));
+
+ netdev_for_each_mc_addr(ha, dev) {
+ u32 hash, crc;
+
+ crc = ether_crc(6, ha->addr);
+ hash = crc >> 23;
+ __set_bit(hash, &data->mc_hash[0]);
+ }
+
+ TSI_WRITE(TSI108_EC_HASHADDR,
+ TSI108_EC_HASHADDR_AUTOINC |
+ TSI108_EC_HASHADDR_MCAST);
+
+ for (i = 0; i < 16; i++) {
+ /* The manual says that the hardware may drop
+ * back-to-back writes to the data register.
+ */
+ udelay(1);
+ TSI_WRITE(TSI108_EC_HASHDATA,
+ data->mc_hash[i]);
+ }
+ }
+
+ out:
+ TSI_WRITE(TSI108_EC_RXCFG, rxcfg);
+}
+
+static void tsi108_init_phy(struct net_device *dev)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ u32 i = 0;
+ u16 phyval = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&phy_lock, flags);
+
+ tsi108_write_mii(data, MII_BMCR, BMCR_RESET);
+ while (--i) {
+ if(!(tsi108_read_mii(data, MII_BMCR) & BMCR_RESET))
+ break;
+ udelay(10);
+ }
+ if (i == 0)
+ printk(KERN_ERR "%s function time out\n", __func__);
+
+ if (data->phy_type == TSI108_PHY_BCM54XX) {
+ tsi108_write_mii(data, 0x09, 0x0300);
+ tsi108_write_mii(data, 0x10, 0x1020);
+ tsi108_write_mii(data, 0x1c, 0x8c00);
+ }
+
+ tsi108_write_mii(data,
+ MII_BMCR,
+ BMCR_ANENABLE | BMCR_ANRESTART);
+ while (tsi108_read_mii(data, MII_BMCR) & BMCR_ANRESTART)
+ cpu_relax();
+
+ /* Set G/MII mode and receive clock select in TBI control #2. The
+ * second port won't work if this isn't done, even though we don't
+ * use TBI mode.
+ */
+
+ tsi108_write_tbi(data, 0x11, 0x30);
+
+ /* FIXME: It seems to take more than 2 back-to-back reads to the
+ * PHY_STAT register before the link up status bit is set.
+ */
+
+ data->link_up = 0;
+
+ while (!((phyval = tsi108_read_mii(data, MII_BMSR)) &
+ BMSR_LSTATUS)) {
+ if (i++ > (MII_READ_DELAY / 10)) {
+ break;
+ }
+ spin_unlock_irqrestore(&phy_lock, flags);
+ msleep(10);
+ spin_lock_irqsave(&phy_lock, flags);
+ }
+
+ data->mii_if.supports_gmii = mii_check_gmii_support(&data->mii_if);
+ printk(KERN_DEBUG "PHY_STAT reg contains %08x\n", phyval);
+ data->phy_ok = 1;
+ data->init_media = 1;
+ spin_unlock_irqrestore(&phy_lock, flags);
+}
+
+static void tsi108_kill_phy(struct net_device *dev)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ unsigned long flags;
+
+ spin_lock_irqsave(&phy_lock, flags);
+ tsi108_write_mii(data, MII_BMCR, BMCR_PDOWN);
+ data->phy_ok = 0;
+ spin_unlock_irqrestore(&phy_lock, flags);
+}
+
+static int tsi108_open(struct net_device *dev)
+{
+ int i;
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ unsigned int rxring_size = TSI108_RXRING_LEN * sizeof(rx_desc);
+ unsigned int txring_size = TSI108_TXRING_LEN * sizeof(tx_desc);
+
+ i = request_irq(data->irq_num, tsi108_irq, 0, dev->name, dev);
+ if (i != 0) {
+ printk(KERN_ERR "tsi108_eth%d: Could not allocate IRQ%d.\n",
+ data->id, data->irq_num);
+ return i;
+ } else {
+ dev->irq = data->irq_num;
+ printk(KERN_NOTICE
+ "tsi108_open : Port %d Assigned IRQ %d to %s\n",
+ data->id, dev->irq, dev->name);
+ }
+
+ data->rxring = dma_alloc_coherent(NULL, rxring_size,
+ &data->rxdma, GFP_KERNEL);
+
+ if (!data->rxring) {
+ printk(KERN_DEBUG
+ "TSI108_ETH: failed to allocate memory for rxring!\n");
+ return -ENOMEM;
+ } else {
+ memset(data->rxring, 0, rxring_size);
+ }
+
+ data->txring = dma_alloc_coherent(NULL, txring_size,
+ &data->txdma, GFP_KERNEL);
+
+ if (!data->txring) {
+ printk(KERN_DEBUG
+ "TSI108_ETH: failed to allocate memory for txring!\n");
+ pci_free_consistent(0, rxring_size, data->rxring, data->rxdma);
+ return -ENOMEM;
+ } else {
+ memset(data->txring, 0, txring_size);
+ }
+
+ for (i = 0; i < TSI108_RXRING_LEN; i++) {
+ data->rxring[i].next0 = data->rxdma + (i + 1) * sizeof(rx_desc);
+ data->rxring[i].blen = TSI108_RXBUF_SIZE;
+ data->rxring[i].vlan = 0;
+ }
+
+ data->rxring[TSI108_RXRING_LEN - 1].next0 = data->rxdma;
+
+ data->rxtail = 0;
+ data->rxhead = 0;
+
+ for (i = 0; i < TSI108_RXRING_LEN; i++) {
+ struct sk_buff *skb;
+
+ skb = netdev_alloc_skb_ip_align(dev, TSI108_RXBUF_SIZE);
+ if (!skb) {
+ /* Bah. No memory for now, but maybe we'll get
+ * some more later.
+ * For now, we'll live with the smaller ring.
+ */
+ printk(KERN_WARNING
+ "%s: Could only allocate %d receive skb(s).\n",
+ dev->name, i);
+ data->rxhead = i;
+ break;
+ }
+
+ data->rxskbs[i] = skb;
+ data->rxskbs[i] = skb;
+ data->rxring[i].buf0 = virt_to_phys(data->rxskbs[i]->data);
+ data->rxring[i].misc = TSI108_RX_OWN | TSI108_RX_INT;
+ }
+
+ data->rxfree = i;
+ TSI_WRITE(TSI108_EC_RXQ_PTRLOW, data->rxdma);
+
+ for (i = 0; i < TSI108_TXRING_LEN; i++) {
+ data->txring[i].next0 = data->txdma + (i + 1) * sizeof(tx_desc);
+ data->txring[i].misc = 0;
+ }
+
+ data->txring[TSI108_TXRING_LEN - 1].next0 = data->txdma;
+ data->txtail = 0;
+ data->txhead = 0;
+ data->txfree = TSI108_TXRING_LEN;
+ TSI_WRITE(TSI108_EC_TXQ_PTRLOW, data->txdma);
+ tsi108_init_phy(dev);
+
+ napi_enable(&data->napi);
+
+ setup_timer(&data->timer, tsi108_timed_checker, (unsigned long)dev);
+ mod_timer(&data->timer, jiffies + 1);
+
+ tsi108_restart_rx(data, dev);
+
+ TSI_WRITE(TSI108_EC_INTSTAT, ~0);
+
+ TSI_WRITE(TSI108_EC_INTMASK,
+ ~(TSI108_INT_TXQUEUE0 | TSI108_INT_RXERROR |
+ TSI108_INT_RXTHRESH | TSI108_INT_RXQUEUE0 |
+ TSI108_INT_RXOVERRUN | TSI108_INT_RXWAIT |
+ TSI108_INT_SFN | TSI108_INT_STATCARRY));
+
+ TSI_WRITE(TSI108_MAC_CFG1,
+ TSI108_MAC_CFG1_RXEN | TSI108_MAC_CFG1_TXEN);
+ netif_start_queue(dev);
+ return 0;
+}
+
+static int tsi108_close(struct net_device *dev)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+
+ netif_stop_queue(dev);
+ napi_disable(&data->napi);
+
+ del_timer_sync(&data->timer);
+
+ tsi108_stop_ethernet(dev);
+ tsi108_kill_phy(dev);
+ TSI_WRITE(TSI108_EC_INTMASK, ~0);
+ TSI_WRITE(TSI108_MAC_CFG1, 0);
+
+ /* Check for any pending TX packets, and drop them. */
+
+ while (!data->txfree || data->txhead != data->txtail) {
+ int tx = data->txtail;
+ struct sk_buff *skb;
+ skb = data->txskbs[tx];
+ data->txtail = (data->txtail + 1) % TSI108_TXRING_LEN;
+ data->txfree++;
+ dev_kfree_skb(skb);
+ }
+
+ free_irq(data->irq_num, dev);
+
+ /* Discard the RX ring. */
+
+ while (data->rxfree) {
+ int rx = data->rxtail;
+ struct sk_buff *skb;
+
+ skb = data->rxskbs[rx];
+ data->rxtail = (data->rxtail + 1) % TSI108_RXRING_LEN;
+ data->rxfree--;
+ dev_kfree_skb(skb);
+ }
+
+ dma_free_coherent(0,
+ TSI108_RXRING_LEN * sizeof(rx_desc),
+ data->rxring, data->rxdma);
+ dma_free_coherent(0,
+ TSI108_TXRING_LEN * sizeof(tx_desc),
+ data->txring, data->txdma);
+
+ return 0;
+}
+
+static void tsi108_init_mac(struct net_device *dev)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+
+ TSI_WRITE(TSI108_MAC_CFG2, TSI108_MAC_CFG2_DFLT_PREAMBLE |
+ TSI108_MAC_CFG2_PADCRC);
+
+ TSI_WRITE(TSI108_EC_TXTHRESH,
+ (192 << TSI108_EC_TXTHRESH_STARTFILL) |
+ (192 << TSI108_EC_TXTHRESH_STOPFILL));
+
+ TSI_WRITE(TSI108_STAT_CARRYMASK1,
+ ~(TSI108_STAT_CARRY1_RXBYTES |
+ TSI108_STAT_CARRY1_RXPKTS |
+ TSI108_STAT_CARRY1_RXFCS |
+ TSI108_STAT_CARRY1_RXMCAST |
+ TSI108_STAT_CARRY1_RXALIGN |
+ TSI108_STAT_CARRY1_RXLENGTH |
+ TSI108_STAT_CARRY1_RXRUNT |
+ TSI108_STAT_CARRY1_RXJUMBO |
+ TSI108_STAT_CARRY1_RXFRAG |
+ TSI108_STAT_CARRY1_RXJABBER |
+ TSI108_STAT_CARRY1_RXDROP));
+
+ TSI_WRITE(TSI108_STAT_CARRYMASK2,
+ ~(TSI108_STAT_CARRY2_TXBYTES |
+ TSI108_STAT_CARRY2_TXPKTS |
+ TSI108_STAT_CARRY2_TXEXDEF |
+ TSI108_STAT_CARRY2_TXEXCOL |
+ TSI108_STAT_CARRY2_TXTCOL |
+ TSI108_STAT_CARRY2_TXPAUSE));
+
+ TSI_WRITE(TSI108_EC_PORTCTRL, TSI108_EC_PORTCTRL_STATEN);
+ TSI_WRITE(TSI108_MAC_CFG1, 0);
+
+ TSI_WRITE(TSI108_EC_RXCFG,
+ TSI108_EC_RXCFG_SE | TSI108_EC_RXCFG_BFE);
+
+ TSI_WRITE(TSI108_EC_TXQ_CFG, TSI108_EC_TXQ_CFG_DESC_INT |
+ TSI108_EC_TXQ_CFG_EOQ_OWN_INT |
+ TSI108_EC_TXQ_CFG_WSWP | (TSI108_PBM_PORT <<
+ TSI108_EC_TXQ_CFG_SFNPORT));
+
+ TSI_WRITE(TSI108_EC_RXQ_CFG, TSI108_EC_RXQ_CFG_DESC_INT |
+ TSI108_EC_RXQ_CFG_EOQ_OWN_INT |
+ TSI108_EC_RXQ_CFG_WSWP | (TSI108_PBM_PORT <<
+ TSI108_EC_RXQ_CFG_SFNPORT));
+
+ TSI_WRITE(TSI108_EC_TXQ_BUFCFG,
+ TSI108_EC_TXQ_BUFCFG_BURST256 |
+ TSI108_EC_TXQ_BUFCFG_BSWP | (TSI108_PBM_PORT <<
+ TSI108_EC_TXQ_BUFCFG_SFNPORT));
+
+ TSI_WRITE(TSI108_EC_RXQ_BUFCFG,
+ TSI108_EC_RXQ_BUFCFG_BURST256 |
+ TSI108_EC_RXQ_BUFCFG_BSWP | (TSI108_PBM_PORT <<
+ TSI108_EC_RXQ_BUFCFG_SFNPORT));
+
+ TSI_WRITE(TSI108_EC_INTMASK, ~0);
+}
+
+static int tsi108_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ unsigned long flags;
+ int rc;
+
+ spin_lock_irqsave(&data->txlock, flags);
+ rc = mii_ethtool_gset(&data->mii_if, cmd);
+ spin_unlock_irqrestore(&data->txlock, flags);
+
+ return rc;
+}
+
+static int tsi108_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ unsigned long flags;
+ int rc;
+
+ spin_lock_irqsave(&data->txlock, flags);
+ rc = mii_ethtool_sset(&data->mii_if, cmd);
+ spin_unlock_irqrestore(&data->txlock, flags);
+
+ return rc;
+}
+
+static int tsi108_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ if (!netif_running(dev))
+ return -EINVAL;
+ return generic_mii_ioctl(&data->mii_if, if_mii(rq), cmd, NULL);
+}
+
+static const struct ethtool_ops tsi108_ethtool_ops = {
+ .get_link = ethtool_op_get_link,
+ .get_settings = tsi108_get_settings,
+ .set_settings = tsi108_set_settings,
+};
+
+static const struct net_device_ops tsi108_netdev_ops = {
+ .ndo_open = tsi108_open,
+ .ndo_stop = tsi108_close,
+ .ndo_start_xmit = tsi108_send_packet,
+ .ndo_set_multicast_list = tsi108_set_rx_mode,
+ .ndo_get_stats = tsi108_get_stats,
+ .ndo_do_ioctl = tsi108_do_ioctl,
+ .ndo_set_mac_address = tsi108_set_mac,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_change_mtu = eth_change_mtu,
+};
+
+static int
+tsi108_init_one(struct platform_device *pdev)
+{
+ struct net_device *dev = NULL;
+ struct tsi108_prv_data *data = NULL;
+ hw_info *einfo;
+ int err = 0;
+
+ einfo = pdev->dev.platform_data;
+
+ if (NULL == einfo) {
+ printk(KERN_ERR "tsi-eth %d: Missing additional data!\n",
+ pdev->id);
+ return -ENODEV;
+ }
+
+ /* Create an ethernet device instance */
+
+ dev = alloc_etherdev(sizeof(struct tsi108_prv_data));
+ if (!dev) {
+ printk("tsi108_eth: Could not allocate a device structure\n");
+ return -ENOMEM;
+ }
+
+ printk("tsi108_eth%d: probe...\n", pdev->id);
+ data = netdev_priv(dev);
+ data->dev = dev;
+
+ pr_debug("tsi108_eth%d:regs:phyresgs:phy:irq_num=0x%x:0x%x:0x%x:0x%x\n",
+ pdev->id, einfo->regs, einfo->phyregs,
+ einfo->phy, einfo->irq_num);
+
+ data->regs = ioremap(einfo->regs, 0x400);
+ if (NULL == data->regs) {
+ err = -ENOMEM;
+ goto regs_fail;
+ }
+
+ data->phyregs = ioremap(einfo->phyregs, 0x400);
+ if (NULL == data->phyregs) {
+ err = -ENOMEM;
+ goto regs_fail;
+ }
+/* MII setup */
+ data->mii_if.dev = dev;
+ data->mii_if.mdio_read = tsi108_mdio_read;
+ data->mii_if.mdio_write = tsi108_mdio_write;
+ data->mii_if.phy_id = einfo->phy;
+ data->mii_if.phy_id_mask = 0x1f;
+ data->mii_if.reg_num_mask = 0x1f;
+
+ data->phy = einfo->phy;
+ data->phy_type = einfo->phy_type;
+ data->irq_num = einfo->irq_num;
+ data->id = pdev->id;
+ netif_napi_add(dev, &data->napi, tsi108_poll, 64);
+ dev->netdev_ops = &tsi108_netdev_ops;
+ dev->ethtool_ops = &tsi108_ethtool_ops;
+
+ /* Apparently, the Linux networking code won't use scatter-gather
+ * if the hardware doesn't do checksums. However, it's faster
+ * to checksum in place and use SG, as (among other reasons)
+ * the cache won't be dirtied (which then has to be flushed
+ * before DMA). The checksumming is done by the driver (via
+ * a new function skb_csum_dev() in net/core/skbuff.c).
+ */
+
+ dev->features = NETIF_F_HIGHDMA;
+
+ spin_lock_init(&data->txlock);
+ spin_lock_init(&data->misclock);
+
+ tsi108_reset_ether(data);
+ tsi108_kill_phy(dev);
+
+ if ((err = tsi108_get_mac(dev)) != 0) {
+ printk(KERN_ERR "%s: Invalid MAC address. Please correct.\n",
+ dev->name);
+ goto register_fail;
+ }
+
+ tsi108_init_mac(dev);
+ err = register_netdev(dev);
+ if (err) {
+ printk(KERN_ERR "%s: Cannot register net device, aborting.\n",
+ dev->name);
+ goto register_fail;
+ }
+
+ platform_set_drvdata(pdev, dev);
+ printk(KERN_INFO "%s: Tsi108 Gigabit Ethernet, MAC: %pM\n",
+ dev->name, dev->dev_addr);
+#ifdef DEBUG
+ data->msg_enable = DEBUG;
+ dump_eth_one(dev);
+#endif
+
+ return 0;
+
+register_fail:
+ iounmap(data->regs);
+ iounmap(data->phyregs);
+
+regs_fail:
+ free_netdev(dev);
+ return err;
+}
+
+/* There's no way to either get interrupts from the PHY when
+ * something changes, or to have the Tsi108 automatically communicate
+ * with the PHY to reconfigure itself.
+ *
+ * Thus, we have to do it using a timer.
+ */
+
+static void tsi108_timed_checker(unsigned long dev_ptr)
+{
+ struct net_device *dev = (struct net_device *)dev_ptr;
+ struct tsi108_prv_data *data = netdev_priv(dev);
+
+ tsi108_check_phy(dev);
+ tsi108_check_rxring(dev);
+ mod_timer(&data->timer, jiffies + CHECK_PHY_INTERVAL);
+}
+
+static int tsi108_ether_init(void)
+{
+ int ret;
+ ret = platform_driver_register (&tsi_eth_driver);
+ if (ret < 0){
+ printk("tsi108_ether_init: error initializing ethernet "
+ "device\n");
+ return ret;
+ }
+ return 0;
+}
+
+static int tsi108_ether_remove(struct platform_device *pdev)
+{
+ struct net_device *dev = platform_get_drvdata(pdev);
+ struct tsi108_prv_data *priv = netdev_priv(dev);
+
+ unregister_netdev(dev);
+ tsi108_stop_ethernet(dev);
+ platform_set_drvdata(pdev, NULL);
+ iounmap(priv->regs);
+ iounmap(priv->phyregs);
+ free_netdev(dev);
+
+ return 0;
+}
+static void tsi108_ether_exit(void)
+{
+ platform_driver_unregister(&tsi_eth_driver);
+}
+
+module_init(tsi108_ether_init);
+module_exit(tsi108_ether_exit);
+
+MODULE_AUTHOR("Tundra Semiconductor Corporation");
+MODULE_DESCRIPTION("Tsi108 Gigabit Ethernet driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:tsi-ethernet");
--- /dev/null
+/*
+ * (C) Copyright 2005 Tundra Semiconductor Corp.
+ * Kong Lai, <kong.lai@tundra.com).
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * net/tsi108_eth.h - definitions for Tsi108 GIGE network controller.
+ */
+
+#ifndef __TSI108_ETH_H
+#define __TSI108_ETH_H
+
+#include <linux/types.h>
+
+#define TSI_WRITE(offset, val) \
+ out_be32((data->regs + (offset)), val)
+
+#define TSI_READ(offset) \
+ in_be32((data->regs + (offset)))
+
+#define TSI_WRITE_PHY(offset, val) \
+ out_be32((data->phyregs + (offset)), val)
+
+#define TSI_READ_PHY(offset) \
+ in_be32((data->phyregs + (offset)))
+
+/*
+ * TSI108 GIGE port registers
+ */
+
+#define TSI108_ETH_PORT_NUM 2
+#define TSI108_PBM_PORT 2
+#define TSI108_SDRAM_PORT 4
+
+#define TSI108_MAC_CFG1 (0x000)
+#define TSI108_MAC_CFG1_SOFTRST (1 << 31)
+#define TSI108_MAC_CFG1_LOOPBACK (1 << 8)
+#define TSI108_MAC_CFG1_RXEN (1 << 2)
+#define TSI108_MAC_CFG1_TXEN (1 << 0)
+
+#define TSI108_MAC_CFG2 (0x004)
+#define TSI108_MAC_CFG2_DFLT_PREAMBLE (7 << 12)
+#define TSI108_MAC_CFG2_IFACE_MASK (3 << 8)
+#define TSI108_MAC_CFG2_NOGIG (1 << 8)
+#define TSI108_MAC_CFG2_GIG (2 << 8)
+#define TSI108_MAC_CFG2_PADCRC (1 << 2)
+#define TSI108_MAC_CFG2_FULLDUPLEX (1 << 0)
+
+#define TSI108_MAC_MII_MGMT_CFG (0x020)
+#define TSI108_MAC_MII_MGMT_CLK (7 << 0)
+#define TSI108_MAC_MII_MGMT_RST (1 << 31)
+
+#define TSI108_MAC_MII_CMD (0x024)
+#define TSI108_MAC_MII_CMD_READ (1 << 0)
+
+#define TSI108_MAC_MII_ADDR (0x028)
+#define TSI108_MAC_MII_ADDR_REG 0
+#define TSI108_MAC_MII_ADDR_PHY 8
+
+#define TSI108_MAC_MII_DATAOUT (0x02c)
+#define TSI108_MAC_MII_DATAIN (0x030)
+
+#define TSI108_MAC_MII_IND (0x034)
+#define TSI108_MAC_MII_IND_NOTVALID (1 << 2)
+#define TSI108_MAC_MII_IND_SCANNING (1 << 1)
+#define TSI108_MAC_MII_IND_BUSY (1 << 0)
+
+#define TSI108_MAC_IFCTRL (0x038)
+#define TSI108_MAC_IFCTRL_PHYMODE (1 << 24)
+
+#define TSI108_MAC_ADDR1 (0x040)
+#define TSI108_MAC_ADDR2 (0x044)
+
+#define TSI108_STAT_RXBYTES (0x06c)
+#define TSI108_STAT_RXBYTES_CARRY (1 << 24)
+
+#define TSI108_STAT_RXPKTS (0x070)
+#define TSI108_STAT_RXPKTS_CARRY (1 << 18)
+
+#define TSI108_STAT_RXFCS (0x074)
+#define TSI108_STAT_RXFCS_CARRY (1 << 12)
+
+#define TSI108_STAT_RXMCAST (0x078)
+#define TSI108_STAT_RXMCAST_CARRY (1 << 18)
+
+#define TSI108_STAT_RXALIGN (0x08c)
+#define TSI108_STAT_RXALIGN_CARRY (1 << 12)
+
+#define TSI108_STAT_RXLENGTH (0x090)
+#define TSI108_STAT_RXLENGTH_CARRY (1 << 12)
+
+#define TSI108_STAT_RXRUNT (0x09c)
+#define TSI108_STAT_RXRUNT_CARRY (1 << 12)
+
+#define TSI108_STAT_RXJUMBO (0x0a0)
+#define TSI108_STAT_RXJUMBO_CARRY (1 << 12)
+
+#define TSI108_STAT_RXFRAG (0x0a4)
+#define TSI108_STAT_RXFRAG_CARRY (1 << 12)
+
+#define TSI108_STAT_RXJABBER (0x0a8)
+#define TSI108_STAT_RXJABBER_CARRY (1 << 12)
+
+#define TSI108_STAT_RXDROP (0x0ac)
+#define TSI108_STAT_RXDROP_CARRY (1 << 12)
+
+#define TSI108_STAT_TXBYTES (0x0b0)
+#define TSI108_STAT_TXBYTES_CARRY (1 << 24)
+
+#define TSI108_STAT_TXPKTS (0x0b4)
+#define TSI108_STAT_TXPKTS_CARRY (1 << 18)
+
+#define TSI108_STAT_TXEXDEF (0x0c8)
+#define TSI108_STAT_TXEXDEF_CARRY (1 << 12)
+
+#define TSI108_STAT_TXEXCOL (0x0d8)
+#define TSI108_STAT_TXEXCOL_CARRY (1 << 12)
+
+#define TSI108_STAT_TXTCOL (0x0dc)
+#define TSI108_STAT_TXTCOL_CARRY (1 << 13)
+
+#define TSI108_STAT_TXPAUSEDROP (0x0e4)
+#define TSI108_STAT_TXPAUSEDROP_CARRY (1 << 12)
+
+#define TSI108_STAT_CARRY1 (0x100)
+#define TSI108_STAT_CARRY1_RXBYTES (1 << 16)
+#define TSI108_STAT_CARRY1_RXPKTS (1 << 15)
+#define TSI108_STAT_CARRY1_RXFCS (1 << 14)
+#define TSI108_STAT_CARRY1_RXMCAST (1 << 13)
+#define TSI108_STAT_CARRY1_RXALIGN (1 << 8)
+#define TSI108_STAT_CARRY1_RXLENGTH (1 << 7)
+#define TSI108_STAT_CARRY1_RXRUNT (1 << 4)
+#define TSI108_STAT_CARRY1_RXJUMBO (1 << 3)
+#define TSI108_STAT_CARRY1_RXFRAG (1 << 2)
+#define TSI108_STAT_CARRY1_RXJABBER (1 << 1)
+#define TSI108_STAT_CARRY1_RXDROP (1 << 0)
+
+#define TSI108_STAT_CARRY2 (0x104)
+#define TSI108_STAT_CARRY2_TXBYTES (1 << 13)
+#define TSI108_STAT_CARRY2_TXPKTS (1 << 12)
+#define TSI108_STAT_CARRY2_TXEXDEF (1 << 7)
+#define TSI108_STAT_CARRY2_TXEXCOL (1 << 3)
+#define TSI108_STAT_CARRY2_TXTCOL (1 << 2)
+#define TSI108_STAT_CARRY2_TXPAUSE (1 << 0)
+
+#define TSI108_STAT_CARRYMASK1 (0x108)
+#define TSI108_STAT_CARRYMASK2 (0x10c)
+
+#define TSI108_EC_PORTCTRL (0x200)
+#define TSI108_EC_PORTCTRL_STATRST (1 << 31)
+#define TSI108_EC_PORTCTRL_STATEN (1 << 28)
+#define TSI108_EC_PORTCTRL_NOGIG (1 << 18)
+#define TSI108_EC_PORTCTRL_HALFDUPLEX (1 << 16)
+
+#define TSI108_EC_INTSTAT (0x204)
+#define TSI108_EC_INTMASK (0x208)
+
+#define TSI108_INT_ANY (1 << 31)
+#define TSI108_INT_SFN (1 << 30)
+#define TSI108_INT_RXIDLE (1 << 29)
+#define TSI108_INT_RXABORT (1 << 28)
+#define TSI108_INT_RXERROR (1 << 27)
+#define TSI108_INT_RXOVERRUN (1 << 26)
+#define TSI108_INT_RXTHRESH (1 << 25)
+#define TSI108_INT_RXWAIT (1 << 24)
+#define TSI108_INT_RXQUEUE0 (1 << 16)
+#define TSI108_INT_STATCARRY (1 << 15)
+#define TSI108_INT_TXIDLE (1 << 13)
+#define TSI108_INT_TXABORT (1 << 12)
+#define TSI108_INT_TXERROR (1 << 11)
+#define TSI108_INT_TXUNDERRUN (1 << 10)
+#define TSI108_INT_TXTHRESH (1 << 9)
+#define TSI108_INT_TXWAIT (1 << 8)
+#define TSI108_INT_TXQUEUE0 (1 << 0)
+
+#define TSI108_EC_TXCFG (0x220)
+#define TSI108_EC_TXCFG_RST (1 << 31)
+
+#define TSI108_EC_TXCTRL (0x224)
+#define TSI108_EC_TXCTRL_IDLEINT (1 << 31)
+#define TSI108_EC_TXCTRL_ABORT (1 << 30)
+#define TSI108_EC_TXCTRL_GO (1 << 15)
+#define TSI108_EC_TXCTRL_QUEUE0 (1 << 0)
+
+#define TSI108_EC_TXSTAT (0x228)
+#define TSI108_EC_TXSTAT_ACTIVE (1 << 15)
+#define TSI108_EC_TXSTAT_QUEUE0 (1 << 0)
+
+#define TSI108_EC_TXESTAT (0x22c)
+#define TSI108_EC_TXESTAT_Q0_ERR (1 << 24)
+#define TSI108_EC_TXESTAT_Q0_DESCINT (1 << 16)
+#define TSI108_EC_TXESTAT_Q0_EOF (1 << 8)
+#define TSI108_EC_TXESTAT_Q0_EOQ (1 << 0)
+
+#define TSI108_EC_TXERR (0x278)
+
+#define TSI108_EC_TXQ_CFG (0x280)
+#define TSI108_EC_TXQ_CFG_DESC_INT (1 << 20)
+#define TSI108_EC_TXQ_CFG_EOQ_OWN_INT (1 << 19)
+#define TSI108_EC_TXQ_CFG_WSWP (1 << 11)
+#define TSI108_EC_TXQ_CFG_BSWP (1 << 10)
+#define TSI108_EC_TXQ_CFG_SFNPORT 0
+
+#define TSI108_EC_TXQ_BUFCFG (0x284)
+#define TSI108_EC_TXQ_BUFCFG_BURST8 (0 << 8)
+#define TSI108_EC_TXQ_BUFCFG_BURST32 (1 << 8)
+#define TSI108_EC_TXQ_BUFCFG_BURST128 (2 << 8)
+#define TSI108_EC_TXQ_BUFCFG_BURST256 (3 << 8)
+#define TSI108_EC_TXQ_BUFCFG_WSWP (1 << 11)
+#define TSI108_EC_TXQ_BUFCFG_BSWP (1 << 10)
+#define TSI108_EC_TXQ_BUFCFG_SFNPORT 0
+
+#define TSI108_EC_TXQ_PTRLOW (0x288)
+
+#define TSI108_EC_TXQ_PTRHIGH (0x28c)
+#define TSI108_EC_TXQ_PTRHIGH_VALID (1 << 31)
+
+#define TSI108_EC_TXTHRESH (0x230)
+#define TSI108_EC_TXTHRESH_STARTFILL 0
+#define TSI108_EC_TXTHRESH_STOPFILL 16
+
+#define TSI108_EC_RXCFG (0x320)
+#define TSI108_EC_RXCFG_RST (1 << 31)
+
+#define TSI108_EC_RXSTAT (0x328)
+#define TSI108_EC_RXSTAT_ACTIVE (1 << 15)
+#define TSI108_EC_RXSTAT_QUEUE0 (1 << 0)
+
+#define TSI108_EC_RXESTAT (0x32c)
+#define TSI108_EC_RXESTAT_Q0_ERR (1 << 24)
+#define TSI108_EC_RXESTAT_Q0_DESCINT (1 << 16)
+#define TSI108_EC_RXESTAT_Q0_EOF (1 << 8)
+#define TSI108_EC_RXESTAT_Q0_EOQ (1 << 0)
+
+#define TSI108_EC_HASHADDR (0x360)
+#define TSI108_EC_HASHADDR_AUTOINC (1 << 31)
+#define TSI108_EC_HASHADDR_DO1STREAD (1 << 30)
+#define TSI108_EC_HASHADDR_UNICAST (0 << 4)
+#define TSI108_EC_HASHADDR_MCAST (1 << 4)
+
+#define TSI108_EC_HASHDATA (0x364)
+
+#define TSI108_EC_RXQ_PTRLOW (0x388)
+
+#define TSI108_EC_RXQ_PTRHIGH (0x38c)
+#define TSI108_EC_RXQ_PTRHIGH_VALID (1 << 31)
+
+/* Station Enable -- accept packets destined for us */
+#define TSI108_EC_RXCFG_SE (1 << 13)
+/* Unicast Frame Enable -- for packets not destined for us */
+#define TSI108_EC_RXCFG_UFE (1 << 12)
+/* Multicast Frame Enable */
+#define TSI108_EC_RXCFG_MFE (1 << 11)
+/* Broadcast Frame Enable */
+#define TSI108_EC_RXCFG_BFE (1 << 10)
+#define TSI108_EC_RXCFG_UC_HASH (1 << 9)
+#define TSI108_EC_RXCFG_MC_HASH (1 << 8)
+
+#define TSI108_EC_RXQ_CFG (0x380)
+#define TSI108_EC_RXQ_CFG_DESC_INT (1 << 20)
+#define TSI108_EC_RXQ_CFG_EOQ_OWN_INT (1 << 19)
+#define TSI108_EC_RXQ_CFG_WSWP (1 << 11)
+#define TSI108_EC_RXQ_CFG_BSWP (1 << 10)
+#define TSI108_EC_RXQ_CFG_SFNPORT 0
+
+#define TSI108_EC_RXQ_BUFCFG (0x384)
+#define TSI108_EC_RXQ_BUFCFG_BURST8 (0 << 8)
+#define TSI108_EC_RXQ_BUFCFG_BURST32 (1 << 8)
+#define TSI108_EC_RXQ_BUFCFG_BURST128 (2 << 8)
+#define TSI108_EC_RXQ_BUFCFG_BURST256 (3 << 8)
+#define TSI108_EC_RXQ_BUFCFG_WSWP (1 << 11)
+#define TSI108_EC_RXQ_BUFCFG_BSWP (1 << 10)
+#define TSI108_EC_RXQ_BUFCFG_SFNPORT 0
+
+#define TSI108_EC_RXCTRL (0x324)
+#define TSI108_EC_RXCTRL_ABORT (1 << 30)
+#define TSI108_EC_RXCTRL_GO (1 << 15)
+#define TSI108_EC_RXCTRL_QUEUE0 (1 << 0)
+
+#define TSI108_EC_RXERR (0x378)
+
+#define TSI108_TX_EOF (1 << 0) /* End of frame; last fragment of packet */
+#define TSI108_TX_SOF (1 << 1) /* Start of frame; first frag. of packet */
+#define TSI108_TX_VLAN (1 << 2) /* Per-frame VLAN: enables VLAN override */
+#define TSI108_TX_HUGE (1 << 3) /* Huge frame enable */
+#define TSI108_TX_PAD (1 << 4) /* Pad the packet if too short */
+#define TSI108_TX_CRC (1 << 5) /* Generate CRC for this packet */
+#define TSI108_TX_INT (1 << 14) /* Generate an IRQ after frag. processed */
+#define TSI108_TX_RETRY (0xf << 16) /* 4 bit field indicating num. of retries */
+#define TSI108_TX_COL (1 << 20) /* Set if a collision occurred */
+#define TSI108_TX_LCOL (1 << 24) /* Set if a late collision occurred */
+#define TSI108_TX_UNDER (1 << 25) /* Set if a FIFO underrun occurred */
+#define TSI108_TX_RLIM (1 << 26) /* Set if the retry limit was reached */
+#define TSI108_TX_OK (1 << 30) /* Set if the frame TX was successful */
+#define TSI108_TX_OWN (1 << 31) /* Set if the device owns the descriptor */
+
+/* Note: the descriptor layouts assume big-endian byte order. */
+typedef struct {
+ u32 buf0;
+ u32 buf1; /* Base address of buffer */
+ u32 next0; /* Address of next descriptor, if any */
+ u32 next1;
+ u16 vlan; /* VLAN, if override enabled for this packet */
+ u16 len; /* Length of buffer in bytes */
+ u32 misc; /* See TSI108_TX_* above */
+ u32 reserved0; /*reserved0 and reserved1 are added to make the desc */
+ u32 reserved1; /* 32-byte aligned */
+} __attribute__ ((aligned(32))) tx_desc;
+
+#define TSI108_RX_EOF (1 << 0) /* End of frame; last fragment of packet */
+#define TSI108_RX_SOF (1 << 1) /* Start of frame; first frag. of packet */
+#define TSI108_RX_VLAN (1 << 2) /* Set on SOF if packet has a VLAN */
+#define TSI108_RX_FTYPE (1 << 3) /* Length/Type field is type, not length */
+#define TSI108_RX_RUNT (1 << 4)/* Packet is less than minimum size */
+#define TSI108_RX_HASH (1 << 7)/* Hash table match */
+#define TSI108_RX_BAD (1 << 8) /* Bad frame */
+#define TSI108_RX_OVER (1 << 9) /* FIFO overrun occurred */
+#define TSI108_RX_TRUNC (1 << 11) /* Packet truncated due to excess length */
+#define TSI108_RX_CRC (1 << 12) /* Packet had a CRC error */
+#define TSI108_RX_INT (1 << 13) /* Generate an IRQ after frag. processed */
+#define TSI108_RX_OWN (1 << 15) /* Set if the device owns the descriptor */
+
+#define TSI108_RX_SKB_SIZE 1536 /* The RX skb length */
+
+typedef struct {
+ u32 buf0; /* Base address of buffer */
+ u32 buf1; /* Base address of buffer */
+ u32 next0; /* Address of next descriptor, if any */
+ u32 next1; /* Address of next descriptor, if any */
+ u16 vlan; /* VLAN of received packet, first frag only */
+ u16 len; /* Length of received fragment in bytes */
+ u16 blen; /* Length of buffer in bytes */
+ u16 misc; /* See TSI108_RX_* above */
+ u32 reserved0; /* reserved0 and reserved1 are added to make the desc */
+ u32 reserved1; /* 32-byte aligned */
+} __attribute__ ((aligned(32))) rx_desc;
+
+#endif /* __TSI108_ETH_H */
+++ /dev/null
-/*******************************************************************************
-
- Copyright(c) 2006 Tundra Semiconductor Corporation.
-
- This program is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the Free
- Software Foundation; either version 2 of the License, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful, but WITHOUT
- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- more details.
-
- You should have received a copy of the GNU General Public License along with
- this program; if not, write to the Free Software Foundation, Inc., 59
- Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-*******************************************************************************/
-
-/* This driver is based on the driver code originally developed
- * for the Intel IOC80314 (ForestLake) Gigabit Ethernet by
- * scott.wood@timesys.com * Copyright (C) 2003 TimeSys Corporation
- *
- * Currently changes from original version are:
- * - porting to Tsi108-based platform and kernel 2.6 (kong.lai@tundra.com)
- * - modifications to handle two ports independently and support for
- * additional PHY devices (alexandre.bounine@tundra.com)
- * - Get hardware information from platform device. (tie-fei.zang@freescale.com)
- *
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/net.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/ethtool.h>
-#include <linux/skbuff.h>
-#include <linux/spinlock.h>
-#include <linux/delay.h>
-#include <linux/crc32.h>
-#include <linux/mii.h>
-#include <linux/device.h>
-#include <linux/pci.h>
-#include <linux/rtnetlink.h>
-#include <linux/timer.h>
-#include <linux/platform_device.h>
-#include <linux/gfp.h>
-
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/tsi108.h>
-
-#include "tsi108_eth.h"
-
-#define MII_READ_DELAY 10000 /* max link wait time in msec */
-
-#define TSI108_RXRING_LEN 256
-
-/* NOTE: The driver currently does not support receiving packets
- * larger than the buffer size, so don't decrease this (unless you
- * want to add such support).
- */
-#define TSI108_RXBUF_SIZE 1536
-
-#define TSI108_TXRING_LEN 256
-
-#define TSI108_TX_INT_FREQ 64
-
-/* Check the phy status every half a second. */
-#define CHECK_PHY_INTERVAL (HZ/2)
-
-static int tsi108_init_one(struct platform_device *pdev);
-static int tsi108_ether_remove(struct platform_device *pdev);
-
-struct tsi108_prv_data {
- void __iomem *regs; /* Base of normal regs */
- void __iomem *phyregs; /* Base of register bank used for PHY access */
-
- struct net_device *dev;
- struct napi_struct napi;
-
- unsigned int phy; /* Index of PHY for this interface */
- unsigned int irq_num;
- unsigned int id;
- unsigned int phy_type;
-
- struct timer_list timer;/* Timer that triggers the check phy function */
- unsigned int rxtail; /* Next entry in rxring to read */
- unsigned int rxhead; /* Next entry in rxring to give a new buffer */
- unsigned int rxfree; /* Number of free, allocated RX buffers */
-
- unsigned int rxpending; /* Non-zero if there are still descriptors
- * to be processed from a previous descriptor
- * interrupt condition that has been cleared */
-
- unsigned int txtail; /* Next TX descriptor to check status on */
- unsigned int txhead; /* Next TX descriptor to use */
-
- /* Number of free TX descriptors. This could be calculated from
- * rxhead and rxtail if one descriptor were left unused to disambiguate
- * full and empty conditions, but it's simpler to just keep track
- * explicitly. */
-
- unsigned int txfree;
-
- unsigned int phy_ok; /* The PHY is currently powered on. */
-
- /* PHY status (duplex is 1 for half, 2 for full,
- * so that the default 0 indicates that neither has
- * yet been configured). */
-
- unsigned int link_up;
- unsigned int speed;
- unsigned int duplex;
-
- tx_desc *txring;
- rx_desc *rxring;
- struct sk_buff *txskbs[TSI108_TXRING_LEN];
- struct sk_buff *rxskbs[TSI108_RXRING_LEN];
-
- dma_addr_t txdma, rxdma;
-
- /* txlock nests in misclock and phy_lock */
-
- spinlock_t txlock, misclock;
-
- /* stats is used to hold the upper bits of each hardware counter,
- * and tmpstats is used to hold the full values for returning
- * to the caller of get_stats(). They must be separate in case
- * an overflow interrupt occurs before the stats are consumed.
- */
-
- struct net_device_stats stats;
- struct net_device_stats tmpstats;
-
- /* These stats are kept separate in hardware, thus require individual
- * fields for handling carry. They are combined in get_stats.
- */
-
- unsigned long rx_fcs; /* Add to rx_frame_errors */
- unsigned long rx_short_fcs; /* Add to rx_frame_errors */
- unsigned long rx_long_fcs; /* Add to rx_frame_errors */
- unsigned long rx_underruns; /* Add to rx_length_errors */
- unsigned long rx_overruns; /* Add to rx_length_errors */
-
- unsigned long tx_coll_abort; /* Add to tx_aborted_errors/collisions */
- unsigned long tx_pause_drop; /* Add to tx_aborted_errors */
-
- unsigned long mc_hash[16];
- u32 msg_enable; /* debug message level */
- struct mii_if_info mii_if;
- unsigned int init_media;
-};
-
-/* Structure for a device driver */
-
-static struct platform_driver tsi_eth_driver = {
- .probe = tsi108_init_one,
- .remove = tsi108_ether_remove,
- .driver = {
- .name = "tsi-ethernet",
- .owner = THIS_MODULE,
- },
-};
-
-static void tsi108_timed_checker(unsigned long dev_ptr);
-
-static void dump_eth_one(struct net_device *dev)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
-
- printk("Dumping %s...\n", dev->name);
- printk("intstat %x intmask %x phy_ok %d"
- " link %d speed %d duplex %d\n",
- TSI_READ(TSI108_EC_INTSTAT),
- TSI_READ(TSI108_EC_INTMASK), data->phy_ok,
- data->link_up, data->speed, data->duplex);
-
- printk("TX: head %d, tail %d, free %d, stat %x, estat %x, err %x\n",
- data->txhead, data->txtail, data->txfree,
- TSI_READ(TSI108_EC_TXSTAT),
- TSI_READ(TSI108_EC_TXESTAT),
- TSI_READ(TSI108_EC_TXERR));
-
- printk("RX: head %d, tail %d, free %d, stat %x,"
- " estat %x, err %x, pending %d\n\n",
- data->rxhead, data->rxtail, data->rxfree,
- TSI_READ(TSI108_EC_RXSTAT),
- TSI_READ(TSI108_EC_RXESTAT),
- TSI_READ(TSI108_EC_RXERR), data->rxpending);
-}
-
-/* Synchronization is needed between the thread and up/down events.
- * Note that the PHY is accessed through the same registers for both
- * interfaces, so this can't be made interface-specific.
- */
-
-static DEFINE_SPINLOCK(phy_lock);
-
-static int tsi108_read_mii(struct tsi108_prv_data *data, int reg)
-{
- unsigned i;
-
- TSI_WRITE_PHY(TSI108_MAC_MII_ADDR,
- (data->phy << TSI108_MAC_MII_ADDR_PHY) |
- (reg << TSI108_MAC_MII_ADDR_REG));
- TSI_WRITE_PHY(TSI108_MAC_MII_CMD, 0);
- TSI_WRITE_PHY(TSI108_MAC_MII_CMD, TSI108_MAC_MII_CMD_READ);
- for (i = 0; i < 100; i++) {
- if (!(TSI_READ_PHY(TSI108_MAC_MII_IND) &
- (TSI108_MAC_MII_IND_NOTVALID | TSI108_MAC_MII_IND_BUSY)))
- break;
- udelay(10);
- }
-
- if (i == 100)
- return 0xffff;
- else
- return TSI_READ_PHY(TSI108_MAC_MII_DATAIN);
-}
-
-static void tsi108_write_mii(struct tsi108_prv_data *data,
- int reg, u16 val)
-{
- unsigned i = 100;
- TSI_WRITE_PHY(TSI108_MAC_MII_ADDR,
- (data->phy << TSI108_MAC_MII_ADDR_PHY) |
- (reg << TSI108_MAC_MII_ADDR_REG));
- TSI_WRITE_PHY(TSI108_MAC_MII_DATAOUT, val);
- while (i--) {
- if(!(TSI_READ_PHY(TSI108_MAC_MII_IND) &
- TSI108_MAC_MII_IND_BUSY))
- break;
- udelay(10);
- }
-}
-
-static int tsi108_mdio_read(struct net_device *dev, int addr, int reg)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
- return tsi108_read_mii(data, reg);
-}
-
-static void tsi108_mdio_write(struct net_device *dev, int addr, int reg, int val)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
- tsi108_write_mii(data, reg, val);
-}
-
-static inline void tsi108_write_tbi(struct tsi108_prv_data *data,
- int reg, u16 val)
-{
- unsigned i = 1000;
- TSI_WRITE(TSI108_MAC_MII_ADDR,
- (0x1e << TSI108_MAC_MII_ADDR_PHY)
- | (reg << TSI108_MAC_MII_ADDR_REG));
- TSI_WRITE(TSI108_MAC_MII_DATAOUT, val);
- while(i--) {
- if(!(TSI_READ(TSI108_MAC_MII_IND) & TSI108_MAC_MII_IND_BUSY))
- return;
- udelay(10);
- }
- printk(KERN_ERR "%s function time out\n", __func__);
-}
-
-static int mii_speed(struct mii_if_info *mii)
-{
- int advert, lpa, val, media;
- int lpa2 = 0;
- int speed;
-
- if (!mii_link_ok(mii))
- return 0;
-
- val = (*mii->mdio_read) (mii->dev, mii->phy_id, MII_BMSR);
- if ((val & BMSR_ANEGCOMPLETE) == 0)
- return 0;
-
- advert = (*mii->mdio_read) (mii->dev, mii->phy_id, MII_ADVERTISE);
- lpa = (*mii->mdio_read) (mii->dev, mii->phy_id, MII_LPA);
- media = mii_nway_result(advert & lpa);
-
- if (mii->supports_gmii)
- lpa2 = mii->mdio_read(mii->dev, mii->phy_id, MII_STAT1000);
-
- speed = lpa2 & (LPA_1000FULL | LPA_1000HALF) ? 1000 :
- (media & (ADVERTISE_100FULL | ADVERTISE_100HALF) ? 100 : 10);
- return speed;
-}
-
-static void tsi108_check_phy(struct net_device *dev)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
- u32 mac_cfg2_reg, portctrl_reg;
- u32 duplex;
- u32 speed;
- unsigned long flags;
-
- spin_lock_irqsave(&phy_lock, flags);
-
- if (!data->phy_ok)
- goto out;
-
- duplex = mii_check_media(&data->mii_if, netif_msg_link(data), data->init_media);
- data->init_media = 0;
-
- if (netif_carrier_ok(dev)) {
-
- speed = mii_speed(&data->mii_if);
-
- if ((speed != data->speed) || duplex) {
-
- mac_cfg2_reg = TSI_READ(TSI108_MAC_CFG2);
- portctrl_reg = TSI_READ(TSI108_EC_PORTCTRL);
-
- mac_cfg2_reg &= ~TSI108_MAC_CFG2_IFACE_MASK;
-
- if (speed == 1000) {
- mac_cfg2_reg |= TSI108_MAC_CFG2_GIG;
- portctrl_reg &= ~TSI108_EC_PORTCTRL_NOGIG;
- } else {
- mac_cfg2_reg |= TSI108_MAC_CFG2_NOGIG;
- portctrl_reg |= TSI108_EC_PORTCTRL_NOGIG;
- }
-
- data->speed = speed;
-
- if (data->mii_if.full_duplex) {
- mac_cfg2_reg |= TSI108_MAC_CFG2_FULLDUPLEX;
- portctrl_reg &= ~TSI108_EC_PORTCTRL_HALFDUPLEX;
- data->duplex = 2;
- } else {
- mac_cfg2_reg &= ~TSI108_MAC_CFG2_FULLDUPLEX;
- portctrl_reg |= TSI108_EC_PORTCTRL_HALFDUPLEX;
- data->duplex = 1;
- }
-
- TSI_WRITE(TSI108_MAC_CFG2, mac_cfg2_reg);
- TSI_WRITE(TSI108_EC_PORTCTRL, portctrl_reg);
- }
-
- if (data->link_up == 0) {
- /* The manual says it can take 3-4 usecs for the speed change
- * to take effect.
- */
- udelay(5);
-
- spin_lock(&data->txlock);
- if (is_valid_ether_addr(dev->dev_addr) && data->txfree)
- netif_wake_queue(dev);
-
- data->link_up = 1;
- spin_unlock(&data->txlock);
- }
- } else {
- if (data->link_up == 1) {
- netif_stop_queue(dev);
- data->link_up = 0;
- printk(KERN_NOTICE "%s : link is down\n", dev->name);
- }
-
- goto out;
- }
-
-
-out:
- spin_unlock_irqrestore(&phy_lock, flags);
-}
-
-static inline void
-tsi108_stat_carry_one(int carry, int carry_bit, int carry_shift,
- unsigned long *upper)
-{
- if (carry & carry_bit)
- *upper += carry_shift;
-}
-
-static void tsi108_stat_carry(struct net_device *dev)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
- u32 carry1, carry2;
-
- spin_lock_irq(&data->misclock);
-
- carry1 = TSI_READ(TSI108_STAT_CARRY1);
- carry2 = TSI_READ(TSI108_STAT_CARRY2);
-
- TSI_WRITE(TSI108_STAT_CARRY1, carry1);
- TSI_WRITE(TSI108_STAT_CARRY2, carry2);
-
- tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXBYTES,
- TSI108_STAT_RXBYTES_CARRY, &data->stats.rx_bytes);
-
- tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXPKTS,
- TSI108_STAT_RXPKTS_CARRY,
- &data->stats.rx_packets);
-
- tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXFCS,
- TSI108_STAT_RXFCS_CARRY, &data->rx_fcs);
-
- tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXMCAST,
- TSI108_STAT_RXMCAST_CARRY,
- &data->stats.multicast);
-
- tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXALIGN,
- TSI108_STAT_RXALIGN_CARRY,
- &data->stats.rx_frame_errors);
-
- tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXLENGTH,
- TSI108_STAT_RXLENGTH_CARRY,
- &data->stats.rx_length_errors);
-
- tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXRUNT,
- TSI108_STAT_RXRUNT_CARRY, &data->rx_underruns);
-
- tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXJUMBO,
- TSI108_STAT_RXJUMBO_CARRY, &data->rx_overruns);
-
- tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXFRAG,
- TSI108_STAT_RXFRAG_CARRY, &data->rx_short_fcs);
-
- tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXJABBER,
- TSI108_STAT_RXJABBER_CARRY, &data->rx_long_fcs);
-
- tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXDROP,
- TSI108_STAT_RXDROP_CARRY,
- &data->stats.rx_missed_errors);
-
- tsi108_stat_carry_one(carry2, TSI108_STAT_CARRY2_TXBYTES,
- TSI108_STAT_TXBYTES_CARRY, &data->stats.tx_bytes);
-
- tsi108_stat_carry_one(carry2, TSI108_STAT_CARRY2_TXPKTS,
- TSI108_STAT_TXPKTS_CARRY,
- &data->stats.tx_packets);
-
- tsi108_stat_carry_one(carry2, TSI108_STAT_CARRY2_TXEXDEF,
- TSI108_STAT_TXEXDEF_CARRY,
- &data->stats.tx_aborted_errors);
-
- tsi108_stat_carry_one(carry2, TSI108_STAT_CARRY2_TXEXCOL,
- TSI108_STAT_TXEXCOL_CARRY, &data->tx_coll_abort);
-
- tsi108_stat_carry_one(carry2, TSI108_STAT_CARRY2_TXTCOL,
- TSI108_STAT_TXTCOL_CARRY,
- &data->stats.collisions);
-
- tsi108_stat_carry_one(carry2, TSI108_STAT_CARRY2_TXPAUSE,
- TSI108_STAT_TXPAUSEDROP_CARRY,
- &data->tx_pause_drop);
-
- spin_unlock_irq(&data->misclock);
-}
-
-/* Read a stat counter atomically with respect to carries.
- * data->misclock must be held.
- */
-static inline unsigned long
-tsi108_read_stat(struct tsi108_prv_data * data, int reg, int carry_bit,
- int carry_shift, unsigned long *upper)
-{
- int carryreg;
- unsigned long val;
-
- if (reg < 0xb0)
- carryreg = TSI108_STAT_CARRY1;
- else
- carryreg = TSI108_STAT_CARRY2;
-
- again:
- val = TSI_READ(reg) | *upper;
-
- /* Check to see if it overflowed, but the interrupt hasn't
- * been serviced yet. If so, handle the carry here, and
- * try again.
- */
-
- if (unlikely(TSI_READ(carryreg) & carry_bit)) {
- *upper += carry_shift;
- TSI_WRITE(carryreg, carry_bit);
- goto again;
- }
-
- return val;
-}
-
-static struct net_device_stats *tsi108_get_stats(struct net_device *dev)
-{
- unsigned long excol;
-
- struct tsi108_prv_data *data = netdev_priv(dev);
- spin_lock_irq(&data->misclock);
-
- data->tmpstats.rx_packets =
- tsi108_read_stat(data, TSI108_STAT_RXPKTS,
- TSI108_STAT_CARRY1_RXPKTS,
- TSI108_STAT_RXPKTS_CARRY, &data->stats.rx_packets);
-
- data->tmpstats.tx_packets =
- tsi108_read_stat(data, TSI108_STAT_TXPKTS,
- TSI108_STAT_CARRY2_TXPKTS,
- TSI108_STAT_TXPKTS_CARRY, &data->stats.tx_packets);
-
- data->tmpstats.rx_bytes =
- tsi108_read_stat(data, TSI108_STAT_RXBYTES,
- TSI108_STAT_CARRY1_RXBYTES,
- TSI108_STAT_RXBYTES_CARRY, &data->stats.rx_bytes);
-
- data->tmpstats.tx_bytes =
- tsi108_read_stat(data, TSI108_STAT_TXBYTES,
- TSI108_STAT_CARRY2_TXBYTES,
- TSI108_STAT_TXBYTES_CARRY, &data->stats.tx_bytes);
-
- data->tmpstats.multicast =
- tsi108_read_stat(data, TSI108_STAT_RXMCAST,
- TSI108_STAT_CARRY1_RXMCAST,
- TSI108_STAT_RXMCAST_CARRY, &data->stats.multicast);
-
- excol = tsi108_read_stat(data, TSI108_STAT_TXEXCOL,
- TSI108_STAT_CARRY2_TXEXCOL,
- TSI108_STAT_TXEXCOL_CARRY,
- &data->tx_coll_abort);
-
- data->tmpstats.collisions =
- tsi108_read_stat(data, TSI108_STAT_TXTCOL,
- TSI108_STAT_CARRY2_TXTCOL,
- TSI108_STAT_TXTCOL_CARRY, &data->stats.collisions);
-
- data->tmpstats.collisions += excol;
-
- data->tmpstats.rx_length_errors =
- tsi108_read_stat(data, TSI108_STAT_RXLENGTH,
- TSI108_STAT_CARRY1_RXLENGTH,
- TSI108_STAT_RXLENGTH_CARRY,
- &data->stats.rx_length_errors);
-
- data->tmpstats.rx_length_errors +=
- tsi108_read_stat(data, TSI108_STAT_RXRUNT,
- TSI108_STAT_CARRY1_RXRUNT,
- TSI108_STAT_RXRUNT_CARRY, &data->rx_underruns);
-
- data->tmpstats.rx_length_errors +=
- tsi108_read_stat(data, TSI108_STAT_RXJUMBO,
- TSI108_STAT_CARRY1_RXJUMBO,
- TSI108_STAT_RXJUMBO_CARRY, &data->rx_overruns);
-
- data->tmpstats.rx_frame_errors =
- tsi108_read_stat(data, TSI108_STAT_RXALIGN,
- TSI108_STAT_CARRY1_RXALIGN,
- TSI108_STAT_RXALIGN_CARRY,
- &data->stats.rx_frame_errors);
-
- data->tmpstats.rx_frame_errors +=
- tsi108_read_stat(data, TSI108_STAT_RXFCS,
- TSI108_STAT_CARRY1_RXFCS, TSI108_STAT_RXFCS_CARRY,
- &data->rx_fcs);
-
- data->tmpstats.rx_frame_errors +=
- tsi108_read_stat(data, TSI108_STAT_RXFRAG,
- TSI108_STAT_CARRY1_RXFRAG,
- TSI108_STAT_RXFRAG_CARRY, &data->rx_short_fcs);
-
- data->tmpstats.rx_missed_errors =
- tsi108_read_stat(data, TSI108_STAT_RXDROP,
- TSI108_STAT_CARRY1_RXDROP,
- TSI108_STAT_RXDROP_CARRY,
- &data->stats.rx_missed_errors);
-
- /* These three are maintained by software. */
- data->tmpstats.rx_fifo_errors = data->stats.rx_fifo_errors;
- data->tmpstats.rx_crc_errors = data->stats.rx_crc_errors;
-
- data->tmpstats.tx_aborted_errors =
- tsi108_read_stat(data, TSI108_STAT_TXEXDEF,
- TSI108_STAT_CARRY2_TXEXDEF,
- TSI108_STAT_TXEXDEF_CARRY,
- &data->stats.tx_aborted_errors);
-
- data->tmpstats.tx_aborted_errors +=
- tsi108_read_stat(data, TSI108_STAT_TXPAUSEDROP,
- TSI108_STAT_CARRY2_TXPAUSE,
- TSI108_STAT_TXPAUSEDROP_CARRY,
- &data->tx_pause_drop);
-
- data->tmpstats.tx_aborted_errors += excol;
-
- data->tmpstats.tx_errors = data->tmpstats.tx_aborted_errors;
- data->tmpstats.rx_errors = data->tmpstats.rx_length_errors +
- data->tmpstats.rx_crc_errors +
- data->tmpstats.rx_frame_errors +
- data->tmpstats.rx_fifo_errors + data->tmpstats.rx_missed_errors;
-
- spin_unlock_irq(&data->misclock);
- return &data->tmpstats;
-}
-
-static void tsi108_restart_rx(struct tsi108_prv_data * data, struct net_device *dev)
-{
- TSI_WRITE(TSI108_EC_RXQ_PTRHIGH,
- TSI108_EC_RXQ_PTRHIGH_VALID);
-
- TSI_WRITE(TSI108_EC_RXCTRL, TSI108_EC_RXCTRL_GO
- | TSI108_EC_RXCTRL_QUEUE0);
-}
-
-static void tsi108_restart_tx(struct tsi108_prv_data * data)
-{
- TSI_WRITE(TSI108_EC_TXQ_PTRHIGH,
- TSI108_EC_TXQ_PTRHIGH_VALID);
-
- TSI_WRITE(TSI108_EC_TXCTRL, TSI108_EC_TXCTRL_IDLEINT |
- TSI108_EC_TXCTRL_GO | TSI108_EC_TXCTRL_QUEUE0);
-}
-
-/* txlock must be held by caller, with IRQs disabled, and
- * with permission to re-enable them when the lock is dropped.
- */
-static void tsi108_complete_tx(struct net_device *dev)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
- int tx;
- struct sk_buff *skb;
- int release = 0;
-
- while (!data->txfree || data->txhead != data->txtail) {
- tx = data->txtail;
-
- if (data->txring[tx].misc & TSI108_TX_OWN)
- break;
-
- skb = data->txskbs[tx];
-
- if (!(data->txring[tx].misc & TSI108_TX_OK))
- printk("%s: bad tx packet, misc %x\n",
- dev->name, data->txring[tx].misc);
-
- data->txtail = (data->txtail + 1) % TSI108_TXRING_LEN;
- data->txfree++;
-
- if (data->txring[tx].misc & TSI108_TX_EOF) {
- dev_kfree_skb_any(skb);
- release++;
- }
- }
-
- if (release) {
- if (is_valid_ether_addr(dev->dev_addr) && data->link_up)
- netif_wake_queue(dev);
- }
-}
-
-static int tsi108_send_packet(struct sk_buff * skb, struct net_device *dev)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
- int frags = skb_shinfo(skb)->nr_frags + 1;
- int i;
-
- if (!data->phy_ok && net_ratelimit())
- printk(KERN_ERR "%s: Transmit while PHY is down!\n", dev->name);
-
- if (!data->link_up) {
- printk(KERN_ERR "%s: Transmit while link is down!\n",
- dev->name);
- netif_stop_queue(dev);
- return NETDEV_TX_BUSY;
- }
-
- if (data->txfree < MAX_SKB_FRAGS + 1) {
- netif_stop_queue(dev);
-
- if (net_ratelimit())
- printk(KERN_ERR "%s: Transmit with full tx ring!\n",
- dev->name);
- return NETDEV_TX_BUSY;
- }
-
- if (data->txfree - frags < MAX_SKB_FRAGS + 1) {
- netif_stop_queue(dev);
- }
-
- spin_lock_irq(&data->txlock);
-
- for (i = 0; i < frags; i++) {
- int misc = 0;
- int tx = data->txhead;
-
- /* This is done to mark every TSI108_TX_INT_FREQ tx buffers with
- * the interrupt bit. TX descriptor-complete interrupts are
- * enabled when the queue fills up, and masked when there is
- * still free space. This way, when saturating the outbound
- * link, the tx interrupts are kept to a reasonable level.
- * When the queue is not full, reclamation of skbs still occurs
- * as new packets are transmitted, or on a queue-empty
- * interrupt.
- */
-
- if ((tx % TSI108_TX_INT_FREQ == 0) &&
- ((TSI108_TXRING_LEN - data->txfree) >= TSI108_TX_INT_FREQ))
- misc = TSI108_TX_INT;
-
- data->txskbs[tx] = skb;
-
- if (i == 0) {
- data->txring[tx].buf0 = dma_map_single(NULL, skb->data,
- skb_headlen(skb), DMA_TO_DEVICE);
- data->txring[tx].len = skb_headlen(skb);
- misc |= TSI108_TX_SOF;
- } else {
- skb_frag_t *frag = &skb_shinfo(skb)->frags[i - 1];
-
- data->txring[tx].buf0 =
- dma_map_page(NULL, frag->page, frag->page_offset,
- frag->size, DMA_TO_DEVICE);
- data->txring[tx].len = frag->size;
- }
-
- if (i == frags - 1)
- misc |= TSI108_TX_EOF;
-
- if (netif_msg_pktdata(data)) {
- int i;
- printk("%s: Tx Frame contents (%d)\n", dev->name,
- skb->len);
- for (i = 0; i < skb->len; i++)
- printk(" %2.2x", skb->data[i]);
- printk(".\n");
- }
- data->txring[tx].misc = misc | TSI108_TX_OWN;
-
- data->txhead = (data->txhead + 1) % TSI108_TXRING_LEN;
- data->txfree--;
- }
-
- tsi108_complete_tx(dev);
-
- /* This must be done after the check for completed tx descriptors,
- * so that the tail pointer is correct.
- */
-
- if (!(TSI_READ(TSI108_EC_TXSTAT) & TSI108_EC_TXSTAT_QUEUE0))
- tsi108_restart_tx(data);
-
- spin_unlock_irq(&data->txlock);
- return NETDEV_TX_OK;
-}
-
-static int tsi108_complete_rx(struct net_device *dev, int budget)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
- int done = 0;
-
- while (data->rxfree && done != budget) {
- int rx = data->rxtail;
- struct sk_buff *skb;
-
- if (data->rxring[rx].misc & TSI108_RX_OWN)
- break;
-
- skb = data->rxskbs[rx];
- data->rxtail = (data->rxtail + 1) % TSI108_RXRING_LEN;
- data->rxfree--;
- done++;
-
- if (data->rxring[rx].misc & TSI108_RX_BAD) {
- spin_lock_irq(&data->misclock);
-
- if (data->rxring[rx].misc & TSI108_RX_CRC)
- data->stats.rx_crc_errors++;
- if (data->rxring[rx].misc & TSI108_RX_OVER)
- data->stats.rx_fifo_errors++;
-
- spin_unlock_irq(&data->misclock);
-
- dev_kfree_skb_any(skb);
- continue;
- }
- if (netif_msg_pktdata(data)) {
- int i;
- printk("%s: Rx Frame contents (%d)\n",
- dev->name, data->rxring[rx].len);
- for (i = 0; i < data->rxring[rx].len; i++)
- printk(" %2.2x", skb->data[i]);
- printk(".\n");
- }
-
- skb_put(skb, data->rxring[rx].len);
- skb->protocol = eth_type_trans(skb, dev);
- netif_receive_skb(skb);
- }
-
- return done;
-}
-
-static int tsi108_refill_rx(struct net_device *dev, int budget)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
- int done = 0;
-
- while (data->rxfree != TSI108_RXRING_LEN && done != budget) {
- int rx = data->rxhead;
- struct sk_buff *skb;
-
- skb = netdev_alloc_skb_ip_align(dev, TSI108_RXBUF_SIZE);
- data->rxskbs[rx] = skb;
- if (!skb)
- break;
-
- data->rxring[rx].buf0 = dma_map_single(NULL, skb->data,
- TSI108_RX_SKB_SIZE,
- DMA_FROM_DEVICE);
-
- /* Sometimes the hardware sets blen to zero after packet
- * reception, even though the manual says that it's only ever
- * modified by the driver.
- */
-
- data->rxring[rx].blen = TSI108_RX_SKB_SIZE;
- data->rxring[rx].misc = TSI108_RX_OWN | TSI108_RX_INT;
-
- data->rxhead = (data->rxhead + 1) % TSI108_RXRING_LEN;
- data->rxfree++;
- done++;
- }
-
- if (done != 0 && !(TSI_READ(TSI108_EC_RXSTAT) &
- TSI108_EC_RXSTAT_QUEUE0))
- tsi108_restart_rx(data, dev);
-
- return done;
-}
-
-static int tsi108_poll(struct napi_struct *napi, int budget)
-{
- struct tsi108_prv_data *data = container_of(napi, struct tsi108_prv_data, napi);
- struct net_device *dev = data->dev;
- u32 estat = TSI_READ(TSI108_EC_RXESTAT);
- u32 intstat = TSI_READ(TSI108_EC_INTSTAT);
- int num_received = 0, num_filled = 0;
-
- intstat &= TSI108_INT_RXQUEUE0 | TSI108_INT_RXTHRESH |
- TSI108_INT_RXOVERRUN | TSI108_INT_RXERROR | TSI108_INT_RXWAIT;
-
- TSI_WRITE(TSI108_EC_RXESTAT, estat);
- TSI_WRITE(TSI108_EC_INTSTAT, intstat);
-
- if (data->rxpending || (estat & TSI108_EC_RXESTAT_Q0_DESCINT))
- num_received = tsi108_complete_rx(dev, budget);
-
- /* This should normally fill no more slots than the number of
- * packets received in tsi108_complete_rx(). The exception
- * is when we previously ran out of memory for RX SKBs. In that
- * case, it's helpful to obey the budget, not only so that the
- * CPU isn't hogged, but so that memory (which may still be low)
- * is not hogged by one device.
- *
- * A work unit is considered to be two SKBs to allow us to catch
- * up when the ring has shrunk due to out-of-memory but we're
- * still removing the full budget's worth of packets each time.
- */
-
- if (data->rxfree < TSI108_RXRING_LEN)
- num_filled = tsi108_refill_rx(dev, budget * 2);
-
- if (intstat & TSI108_INT_RXERROR) {
- u32 err = TSI_READ(TSI108_EC_RXERR);
- TSI_WRITE(TSI108_EC_RXERR, err);
-
- if (err) {
- if (net_ratelimit())
- printk(KERN_DEBUG "%s: RX error %x\n",
- dev->name, err);
-
- if (!(TSI_READ(TSI108_EC_RXSTAT) &
- TSI108_EC_RXSTAT_QUEUE0))
- tsi108_restart_rx(data, dev);
- }
- }
-
- if (intstat & TSI108_INT_RXOVERRUN) {
- spin_lock_irq(&data->misclock);
- data->stats.rx_fifo_errors++;
- spin_unlock_irq(&data->misclock);
- }
-
- if (num_received < budget) {
- data->rxpending = 0;
- napi_complete(napi);
-
- TSI_WRITE(TSI108_EC_INTMASK,
- TSI_READ(TSI108_EC_INTMASK)
- & ~(TSI108_INT_RXQUEUE0
- | TSI108_INT_RXTHRESH |
- TSI108_INT_RXOVERRUN |
- TSI108_INT_RXERROR |
- TSI108_INT_RXWAIT));
- } else {
- data->rxpending = 1;
- }
-
- return num_received;
-}
-
-static void tsi108_rx_int(struct net_device *dev)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
-
- /* A race could cause dev to already be scheduled, so it's not an
- * error if that happens (and interrupts shouldn't be re-masked,
- * because that can cause harmful races, if poll has already
- * unmasked them but not cleared LINK_STATE_SCHED).
- *
- * This can happen if this code races with tsi108_poll(), which masks
- * the interrupts after tsi108_irq_one() read the mask, but before
- * napi_schedule is called. It could also happen due to calls
- * from tsi108_check_rxring().
- */
-
- if (napi_schedule_prep(&data->napi)) {
- /* Mask, rather than ack, the receive interrupts. The ack
- * will happen in tsi108_poll().
- */
-
- TSI_WRITE(TSI108_EC_INTMASK,
- TSI_READ(TSI108_EC_INTMASK) |
- TSI108_INT_RXQUEUE0
- | TSI108_INT_RXTHRESH |
- TSI108_INT_RXOVERRUN | TSI108_INT_RXERROR |
- TSI108_INT_RXWAIT);
- __napi_schedule(&data->napi);
- } else {
- if (!netif_running(dev)) {
- /* This can happen if an interrupt occurs while the
- * interface is being brought down, as the START
- * bit is cleared before the stop function is called.
- *
- * In this case, the interrupts must be masked, or
- * they will continue indefinitely.
- *
- * There's a race here if the interface is brought down
- * and then up in rapid succession, as the device could
- * be made running after the above check and before
- * the masking below. This will only happen if the IRQ
- * thread has a lower priority than the task brining
- * up the interface. Fixing this race would likely
- * require changes in generic code.
- */
-
- TSI_WRITE(TSI108_EC_INTMASK,
- TSI_READ
- (TSI108_EC_INTMASK) |
- TSI108_INT_RXQUEUE0 |
- TSI108_INT_RXTHRESH |
- TSI108_INT_RXOVERRUN |
- TSI108_INT_RXERROR |
- TSI108_INT_RXWAIT);
- }
- }
-}
-
-/* If the RX ring has run out of memory, try periodically
- * to allocate some more, as otherwise poll would never
- * get called (apart from the initial end-of-queue condition).
- *
- * This is called once per second (by default) from the thread.
- */
-
-static void tsi108_check_rxring(struct net_device *dev)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
-
- /* A poll is scheduled, as opposed to caling tsi108_refill_rx
- * directly, so as to keep the receive path single-threaded
- * (and thus not needing a lock).
- */
-
- if (netif_running(dev) && data->rxfree < TSI108_RXRING_LEN / 4)
- tsi108_rx_int(dev);
-}
-
-static void tsi108_tx_int(struct net_device *dev)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
- u32 estat = TSI_READ(TSI108_EC_TXESTAT);
-
- TSI_WRITE(TSI108_EC_TXESTAT, estat);
- TSI_WRITE(TSI108_EC_INTSTAT, TSI108_INT_TXQUEUE0 |
- TSI108_INT_TXIDLE | TSI108_INT_TXERROR);
- if (estat & TSI108_EC_TXESTAT_Q0_ERR) {
- u32 err = TSI_READ(TSI108_EC_TXERR);
- TSI_WRITE(TSI108_EC_TXERR, err);
-
- if (err && net_ratelimit())
- printk(KERN_ERR "%s: TX error %x\n", dev->name, err);
- }
-
- if (estat & (TSI108_EC_TXESTAT_Q0_DESCINT | TSI108_EC_TXESTAT_Q0_EOQ)) {
- spin_lock(&data->txlock);
- tsi108_complete_tx(dev);
- spin_unlock(&data->txlock);
- }
-}
-
-
-static irqreturn_t tsi108_irq(int irq, void *dev_id)
-{
- struct net_device *dev = dev_id;
- struct tsi108_prv_data *data = netdev_priv(dev);
- u32 stat = TSI_READ(TSI108_EC_INTSTAT);
-
- if (!(stat & TSI108_INT_ANY))
- return IRQ_NONE; /* Not our interrupt */
-
- stat &= ~TSI_READ(TSI108_EC_INTMASK);
-
- if (stat & (TSI108_INT_TXQUEUE0 | TSI108_INT_TXIDLE |
- TSI108_INT_TXERROR))
- tsi108_tx_int(dev);
- if (stat & (TSI108_INT_RXQUEUE0 | TSI108_INT_RXTHRESH |
- TSI108_INT_RXWAIT | TSI108_INT_RXOVERRUN |
- TSI108_INT_RXERROR))
- tsi108_rx_int(dev);
-
- if (stat & TSI108_INT_SFN) {
- if (net_ratelimit())
- printk(KERN_DEBUG "%s: SFN error\n", dev->name);
- TSI_WRITE(TSI108_EC_INTSTAT, TSI108_INT_SFN);
- }
-
- if (stat & TSI108_INT_STATCARRY) {
- tsi108_stat_carry(dev);
- TSI_WRITE(TSI108_EC_INTSTAT, TSI108_INT_STATCARRY);
- }
-
- return IRQ_HANDLED;
-}
-
-static void tsi108_stop_ethernet(struct net_device *dev)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
- int i = 1000;
- /* Disable all TX and RX queues ... */
- TSI_WRITE(TSI108_EC_TXCTRL, 0);
- TSI_WRITE(TSI108_EC_RXCTRL, 0);
-
- /* ...and wait for them to become idle */
- while(i--) {
- if(!(TSI_READ(TSI108_EC_TXSTAT) & TSI108_EC_TXSTAT_ACTIVE))
- break;
- udelay(10);
- }
- i = 1000;
- while(i--){
- if(!(TSI_READ(TSI108_EC_RXSTAT) & TSI108_EC_RXSTAT_ACTIVE))
- return;
- udelay(10);
- }
- printk(KERN_ERR "%s function time out\n", __func__);
-}
-
-static void tsi108_reset_ether(struct tsi108_prv_data * data)
-{
- TSI_WRITE(TSI108_MAC_CFG1, TSI108_MAC_CFG1_SOFTRST);
- udelay(100);
- TSI_WRITE(TSI108_MAC_CFG1, 0);
-
- TSI_WRITE(TSI108_EC_PORTCTRL, TSI108_EC_PORTCTRL_STATRST);
- udelay(100);
- TSI_WRITE(TSI108_EC_PORTCTRL,
- TSI_READ(TSI108_EC_PORTCTRL) &
- ~TSI108_EC_PORTCTRL_STATRST);
-
- TSI_WRITE(TSI108_EC_TXCFG, TSI108_EC_TXCFG_RST);
- udelay(100);
- TSI_WRITE(TSI108_EC_TXCFG,
- TSI_READ(TSI108_EC_TXCFG) &
- ~TSI108_EC_TXCFG_RST);
-
- TSI_WRITE(TSI108_EC_RXCFG, TSI108_EC_RXCFG_RST);
- udelay(100);
- TSI_WRITE(TSI108_EC_RXCFG,
- TSI_READ(TSI108_EC_RXCFG) &
- ~TSI108_EC_RXCFG_RST);
-
- TSI_WRITE(TSI108_MAC_MII_MGMT_CFG,
- TSI_READ(TSI108_MAC_MII_MGMT_CFG) |
- TSI108_MAC_MII_MGMT_RST);
- udelay(100);
- TSI_WRITE(TSI108_MAC_MII_MGMT_CFG,
- (TSI_READ(TSI108_MAC_MII_MGMT_CFG) &
- ~(TSI108_MAC_MII_MGMT_RST |
- TSI108_MAC_MII_MGMT_CLK)) | 0x07);
-}
-
-static int tsi108_get_mac(struct net_device *dev)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
- u32 word1 = TSI_READ(TSI108_MAC_ADDR1);
- u32 word2 = TSI_READ(TSI108_MAC_ADDR2);
-
- /* Note that the octets are reversed from what the manual says,
- * producing an even weirder ordering...
- */
- if (word2 == 0 && word1 == 0) {
- dev->dev_addr[0] = 0x00;
- dev->dev_addr[1] = 0x06;
- dev->dev_addr[2] = 0xd2;
- dev->dev_addr[3] = 0x00;
- dev->dev_addr[4] = 0x00;
- if (0x8 == data->phy)
- dev->dev_addr[5] = 0x01;
- else
- dev->dev_addr[5] = 0x02;
-
- word2 = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 24);
-
- word1 = (dev->dev_addr[2] << 0) | (dev->dev_addr[3] << 8) |
- (dev->dev_addr[4] << 16) | (dev->dev_addr[5] << 24);
-
- TSI_WRITE(TSI108_MAC_ADDR1, word1);
- TSI_WRITE(TSI108_MAC_ADDR2, word2);
- } else {
- dev->dev_addr[0] = (word2 >> 16) & 0xff;
- dev->dev_addr[1] = (word2 >> 24) & 0xff;
- dev->dev_addr[2] = (word1 >> 0) & 0xff;
- dev->dev_addr[3] = (word1 >> 8) & 0xff;
- dev->dev_addr[4] = (word1 >> 16) & 0xff;
- dev->dev_addr[5] = (word1 >> 24) & 0xff;
- }
-
- if (!is_valid_ether_addr(dev->dev_addr)) {
- printk(KERN_ERR
- "%s: Invalid MAC address. word1: %08x, word2: %08x\n",
- dev->name, word1, word2);
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int tsi108_set_mac(struct net_device *dev, void *addr)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
- u32 word1, word2;
- int i;
-
- if (!is_valid_ether_addr(addr))
- return -EINVAL;
-
- for (i = 0; i < 6; i++)
- /* +2 is for the offset of the HW addr type */
- dev->dev_addr[i] = ((unsigned char *)addr)[i + 2];
-
- word2 = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 24);
-
- word1 = (dev->dev_addr[2] << 0) | (dev->dev_addr[3] << 8) |
- (dev->dev_addr[4] << 16) | (dev->dev_addr[5] << 24);
-
- spin_lock_irq(&data->misclock);
- TSI_WRITE(TSI108_MAC_ADDR1, word1);
- TSI_WRITE(TSI108_MAC_ADDR2, word2);
- spin_lock(&data->txlock);
-
- if (data->txfree && data->link_up)
- netif_wake_queue(dev);
-
- spin_unlock(&data->txlock);
- spin_unlock_irq(&data->misclock);
- return 0;
-}
-
-/* Protected by dev->xmit_lock. */
-static void tsi108_set_rx_mode(struct net_device *dev)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
- u32 rxcfg = TSI_READ(TSI108_EC_RXCFG);
-
- if (dev->flags & IFF_PROMISC) {
- rxcfg &= ~(TSI108_EC_RXCFG_UC_HASH | TSI108_EC_RXCFG_MC_HASH);
- rxcfg |= TSI108_EC_RXCFG_UFE | TSI108_EC_RXCFG_MFE;
- goto out;
- }
-
- rxcfg &= ~(TSI108_EC_RXCFG_UFE | TSI108_EC_RXCFG_MFE);
-
- if (dev->flags & IFF_ALLMULTI || !netdev_mc_empty(dev)) {
- int i;
- struct netdev_hw_addr *ha;
- rxcfg |= TSI108_EC_RXCFG_MFE | TSI108_EC_RXCFG_MC_HASH;
-
- memset(data->mc_hash, 0, sizeof(data->mc_hash));
-
- netdev_for_each_mc_addr(ha, dev) {
- u32 hash, crc;
-
- crc = ether_crc(6, ha->addr);
- hash = crc >> 23;
- __set_bit(hash, &data->mc_hash[0]);
- }
-
- TSI_WRITE(TSI108_EC_HASHADDR,
- TSI108_EC_HASHADDR_AUTOINC |
- TSI108_EC_HASHADDR_MCAST);
-
- for (i = 0; i < 16; i++) {
- /* The manual says that the hardware may drop
- * back-to-back writes to the data register.
- */
- udelay(1);
- TSI_WRITE(TSI108_EC_HASHDATA,
- data->mc_hash[i]);
- }
- }
-
- out:
- TSI_WRITE(TSI108_EC_RXCFG, rxcfg);
-}
-
-static void tsi108_init_phy(struct net_device *dev)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
- u32 i = 0;
- u16 phyval = 0;
- unsigned long flags;
-
- spin_lock_irqsave(&phy_lock, flags);
-
- tsi108_write_mii(data, MII_BMCR, BMCR_RESET);
- while (--i) {
- if(!(tsi108_read_mii(data, MII_BMCR) & BMCR_RESET))
- break;
- udelay(10);
- }
- if (i == 0)
- printk(KERN_ERR "%s function time out\n", __func__);
-
- if (data->phy_type == TSI108_PHY_BCM54XX) {
- tsi108_write_mii(data, 0x09, 0x0300);
- tsi108_write_mii(data, 0x10, 0x1020);
- tsi108_write_mii(data, 0x1c, 0x8c00);
- }
-
- tsi108_write_mii(data,
- MII_BMCR,
- BMCR_ANENABLE | BMCR_ANRESTART);
- while (tsi108_read_mii(data, MII_BMCR) & BMCR_ANRESTART)
- cpu_relax();
-
- /* Set G/MII mode and receive clock select in TBI control #2. The
- * second port won't work if this isn't done, even though we don't
- * use TBI mode.
- */
-
- tsi108_write_tbi(data, 0x11, 0x30);
-
- /* FIXME: It seems to take more than 2 back-to-back reads to the
- * PHY_STAT register before the link up status bit is set.
- */
-
- data->link_up = 0;
-
- while (!((phyval = tsi108_read_mii(data, MII_BMSR)) &
- BMSR_LSTATUS)) {
- if (i++ > (MII_READ_DELAY / 10)) {
- break;
- }
- spin_unlock_irqrestore(&phy_lock, flags);
- msleep(10);
- spin_lock_irqsave(&phy_lock, flags);
- }
-
- data->mii_if.supports_gmii = mii_check_gmii_support(&data->mii_if);
- printk(KERN_DEBUG "PHY_STAT reg contains %08x\n", phyval);
- data->phy_ok = 1;
- data->init_media = 1;
- spin_unlock_irqrestore(&phy_lock, flags);
-}
-
-static void tsi108_kill_phy(struct net_device *dev)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
- unsigned long flags;
-
- spin_lock_irqsave(&phy_lock, flags);
- tsi108_write_mii(data, MII_BMCR, BMCR_PDOWN);
- data->phy_ok = 0;
- spin_unlock_irqrestore(&phy_lock, flags);
-}
-
-static int tsi108_open(struct net_device *dev)
-{
- int i;
- struct tsi108_prv_data *data = netdev_priv(dev);
- unsigned int rxring_size = TSI108_RXRING_LEN * sizeof(rx_desc);
- unsigned int txring_size = TSI108_TXRING_LEN * sizeof(tx_desc);
-
- i = request_irq(data->irq_num, tsi108_irq, 0, dev->name, dev);
- if (i != 0) {
- printk(KERN_ERR "tsi108_eth%d: Could not allocate IRQ%d.\n",
- data->id, data->irq_num);
- return i;
- } else {
- dev->irq = data->irq_num;
- printk(KERN_NOTICE
- "tsi108_open : Port %d Assigned IRQ %d to %s\n",
- data->id, dev->irq, dev->name);
- }
-
- data->rxring = dma_alloc_coherent(NULL, rxring_size,
- &data->rxdma, GFP_KERNEL);
-
- if (!data->rxring) {
- printk(KERN_DEBUG
- "TSI108_ETH: failed to allocate memory for rxring!\n");
- return -ENOMEM;
- } else {
- memset(data->rxring, 0, rxring_size);
- }
-
- data->txring = dma_alloc_coherent(NULL, txring_size,
- &data->txdma, GFP_KERNEL);
-
- if (!data->txring) {
- printk(KERN_DEBUG
- "TSI108_ETH: failed to allocate memory for txring!\n");
- pci_free_consistent(0, rxring_size, data->rxring, data->rxdma);
- return -ENOMEM;
- } else {
- memset(data->txring, 0, txring_size);
- }
-
- for (i = 0; i < TSI108_RXRING_LEN; i++) {
- data->rxring[i].next0 = data->rxdma + (i + 1) * sizeof(rx_desc);
- data->rxring[i].blen = TSI108_RXBUF_SIZE;
- data->rxring[i].vlan = 0;
- }
-
- data->rxring[TSI108_RXRING_LEN - 1].next0 = data->rxdma;
-
- data->rxtail = 0;
- data->rxhead = 0;
-
- for (i = 0; i < TSI108_RXRING_LEN; i++) {
- struct sk_buff *skb;
-
- skb = netdev_alloc_skb_ip_align(dev, TSI108_RXBUF_SIZE);
- if (!skb) {
- /* Bah. No memory for now, but maybe we'll get
- * some more later.
- * For now, we'll live with the smaller ring.
- */
- printk(KERN_WARNING
- "%s: Could only allocate %d receive skb(s).\n",
- dev->name, i);
- data->rxhead = i;
- break;
- }
-
- data->rxskbs[i] = skb;
- data->rxskbs[i] = skb;
- data->rxring[i].buf0 = virt_to_phys(data->rxskbs[i]->data);
- data->rxring[i].misc = TSI108_RX_OWN | TSI108_RX_INT;
- }
-
- data->rxfree = i;
- TSI_WRITE(TSI108_EC_RXQ_PTRLOW, data->rxdma);
-
- for (i = 0; i < TSI108_TXRING_LEN; i++) {
- data->txring[i].next0 = data->txdma + (i + 1) * sizeof(tx_desc);
- data->txring[i].misc = 0;
- }
-
- data->txring[TSI108_TXRING_LEN - 1].next0 = data->txdma;
- data->txtail = 0;
- data->txhead = 0;
- data->txfree = TSI108_TXRING_LEN;
- TSI_WRITE(TSI108_EC_TXQ_PTRLOW, data->txdma);
- tsi108_init_phy(dev);
-
- napi_enable(&data->napi);
-
- setup_timer(&data->timer, tsi108_timed_checker, (unsigned long)dev);
- mod_timer(&data->timer, jiffies + 1);
-
- tsi108_restart_rx(data, dev);
-
- TSI_WRITE(TSI108_EC_INTSTAT, ~0);
-
- TSI_WRITE(TSI108_EC_INTMASK,
- ~(TSI108_INT_TXQUEUE0 | TSI108_INT_RXERROR |
- TSI108_INT_RXTHRESH | TSI108_INT_RXQUEUE0 |
- TSI108_INT_RXOVERRUN | TSI108_INT_RXWAIT |
- TSI108_INT_SFN | TSI108_INT_STATCARRY));
-
- TSI_WRITE(TSI108_MAC_CFG1,
- TSI108_MAC_CFG1_RXEN | TSI108_MAC_CFG1_TXEN);
- netif_start_queue(dev);
- return 0;
-}
-
-static int tsi108_close(struct net_device *dev)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
-
- netif_stop_queue(dev);
- napi_disable(&data->napi);
-
- del_timer_sync(&data->timer);
-
- tsi108_stop_ethernet(dev);
- tsi108_kill_phy(dev);
- TSI_WRITE(TSI108_EC_INTMASK, ~0);
- TSI_WRITE(TSI108_MAC_CFG1, 0);
-
- /* Check for any pending TX packets, and drop them. */
-
- while (!data->txfree || data->txhead != data->txtail) {
- int tx = data->txtail;
- struct sk_buff *skb;
- skb = data->txskbs[tx];
- data->txtail = (data->txtail + 1) % TSI108_TXRING_LEN;
- data->txfree++;
- dev_kfree_skb(skb);
- }
-
- free_irq(data->irq_num, dev);
-
- /* Discard the RX ring. */
-
- while (data->rxfree) {
- int rx = data->rxtail;
- struct sk_buff *skb;
-
- skb = data->rxskbs[rx];
- data->rxtail = (data->rxtail + 1) % TSI108_RXRING_LEN;
- data->rxfree--;
- dev_kfree_skb(skb);
- }
-
- dma_free_coherent(0,
- TSI108_RXRING_LEN * sizeof(rx_desc),
- data->rxring, data->rxdma);
- dma_free_coherent(0,
- TSI108_TXRING_LEN * sizeof(tx_desc),
- data->txring, data->txdma);
-
- return 0;
-}
-
-static void tsi108_init_mac(struct net_device *dev)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
-
- TSI_WRITE(TSI108_MAC_CFG2, TSI108_MAC_CFG2_DFLT_PREAMBLE |
- TSI108_MAC_CFG2_PADCRC);
-
- TSI_WRITE(TSI108_EC_TXTHRESH,
- (192 << TSI108_EC_TXTHRESH_STARTFILL) |
- (192 << TSI108_EC_TXTHRESH_STOPFILL));
-
- TSI_WRITE(TSI108_STAT_CARRYMASK1,
- ~(TSI108_STAT_CARRY1_RXBYTES |
- TSI108_STAT_CARRY1_RXPKTS |
- TSI108_STAT_CARRY1_RXFCS |
- TSI108_STAT_CARRY1_RXMCAST |
- TSI108_STAT_CARRY1_RXALIGN |
- TSI108_STAT_CARRY1_RXLENGTH |
- TSI108_STAT_CARRY1_RXRUNT |
- TSI108_STAT_CARRY1_RXJUMBO |
- TSI108_STAT_CARRY1_RXFRAG |
- TSI108_STAT_CARRY1_RXJABBER |
- TSI108_STAT_CARRY1_RXDROP));
-
- TSI_WRITE(TSI108_STAT_CARRYMASK2,
- ~(TSI108_STAT_CARRY2_TXBYTES |
- TSI108_STAT_CARRY2_TXPKTS |
- TSI108_STAT_CARRY2_TXEXDEF |
- TSI108_STAT_CARRY2_TXEXCOL |
- TSI108_STAT_CARRY2_TXTCOL |
- TSI108_STAT_CARRY2_TXPAUSE));
-
- TSI_WRITE(TSI108_EC_PORTCTRL, TSI108_EC_PORTCTRL_STATEN);
- TSI_WRITE(TSI108_MAC_CFG1, 0);
-
- TSI_WRITE(TSI108_EC_RXCFG,
- TSI108_EC_RXCFG_SE | TSI108_EC_RXCFG_BFE);
-
- TSI_WRITE(TSI108_EC_TXQ_CFG, TSI108_EC_TXQ_CFG_DESC_INT |
- TSI108_EC_TXQ_CFG_EOQ_OWN_INT |
- TSI108_EC_TXQ_CFG_WSWP | (TSI108_PBM_PORT <<
- TSI108_EC_TXQ_CFG_SFNPORT));
-
- TSI_WRITE(TSI108_EC_RXQ_CFG, TSI108_EC_RXQ_CFG_DESC_INT |
- TSI108_EC_RXQ_CFG_EOQ_OWN_INT |
- TSI108_EC_RXQ_CFG_WSWP | (TSI108_PBM_PORT <<
- TSI108_EC_RXQ_CFG_SFNPORT));
-
- TSI_WRITE(TSI108_EC_TXQ_BUFCFG,
- TSI108_EC_TXQ_BUFCFG_BURST256 |
- TSI108_EC_TXQ_BUFCFG_BSWP | (TSI108_PBM_PORT <<
- TSI108_EC_TXQ_BUFCFG_SFNPORT));
-
- TSI_WRITE(TSI108_EC_RXQ_BUFCFG,
- TSI108_EC_RXQ_BUFCFG_BURST256 |
- TSI108_EC_RXQ_BUFCFG_BSWP | (TSI108_PBM_PORT <<
- TSI108_EC_RXQ_BUFCFG_SFNPORT));
-
- TSI_WRITE(TSI108_EC_INTMASK, ~0);
-}
-
-static int tsi108_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
- unsigned long flags;
- int rc;
-
- spin_lock_irqsave(&data->txlock, flags);
- rc = mii_ethtool_gset(&data->mii_if, cmd);
- spin_unlock_irqrestore(&data->txlock, flags);
-
- return rc;
-}
-
-static int tsi108_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
- unsigned long flags;
- int rc;
-
- spin_lock_irqsave(&data->txlock, flags);
- rc = mii_ethtool_sset(&data->mii_if, cmd);
- spin_unlock_irqrestore(&data->txlock, flags);
-
- return rc;
-}
-
-static int tsi108_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
-{
- struct tsi108_prv_data *data = netdev_priv(dev);
- if (!netif_running(dev))
- return -EINVAL;
- return generic_mii_ioctl(&data->mii_if, if_mii(rq), cmd, NULL);
-}
-
-static const struct ethtool_ops tsi108_ethtool_ops = {
- .get_link = ethtool_op_get_link,
- .get_settings = tsi108_get_settings,
- .set_settings = tsi108_set_settings,
-};
-
-static const struct net_device_ops tsi108_netdev_ops = {
- .ndo_open = tsi108_open,
- .ndo_stop = tsi108_close,
- .ndo_start_xmit = tsi108_send_packet,
- .ndo_set_multicast_list = tsi108_set_rx_mode,
- .ndo_get_stats = tsi108_get_stats,
- .ndo_do_ioctl = tsi108_do_ioctl,
- .ndo_set_mac_address = tsi108_set_mac,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_change_mtu = eth_change_mtu,
-};
-
-static int
-tsi108_init_one(struct platform_device *pdev)
-{
- struct net_device *dev = NULL;
- struct tsi108_prv_data *data = NULL;
- hw_info *einfo;
- int err = 0;
-
- einfo = pdev->dev.platform_data;
-
- if (NULL == einfo) {
- printk(KERN_ERR "tsi-eth %d: Missing additional data!\n",
- pdev->id);
- return -ENODEV;
- }
-
- /* Create an ethernet device instance */
-
- dev = alloc_etherdev(sizeof(struct tsi108_prv_data));
- if (!dev) {
- printk("tsi108_eth: Could not allocate a device structure\n");
- return -ENOMEM;
- }
-
- printk("tsi108_eth%d: probe...\n", pdev->id);
- data = netdev_priv(dev);
- data->dev = dev;
-
- pr_debug("tsi108_eth%d:regs:phyresgs:phy:irq_num=0x%x:0x%x:0x%x:0x%x\n",
- pdev->id, einfo->regs, einfo->phyregs,
- einfo->phy, einfo->irq_num);
-
- data->regs = ioremap(einfo->regs, 0x400);
- if (NULL == data->regs) {
- err = -ENOMEM;
- goto regs_fail;
- }
-
- data->phyregs = ioremap(einfo->phyregs, 0x400);
- if (NULL == data->phyregs) {
- err = -ENOMEM;
- goto regs_fail;
- }
-/* MII setup */
- data->mii_if.dev = dev;
- data->mii_if.mdio_read = tsi108_mdio_read;
- data->mii_if.mdio_write = tsi108_mdio_write;
- data->mii_if.phy_id = einfo->phy;
- data->mii_if.phy_id_mask = 0x1f;
- data->mii_if.reg_num_mask = 0x1f;
-
- data->phy = einfo->phy;
- data->phy_type = einfo->phy_type;
- data->irq_num = einfo->irq_num;
- data->id = pdev->id;
- netif_napi_add(dev, &data->napi, tsi108_poll, 64);
- dev->netdev_ops = &tsi108_netdev_ops;
- dev->ethtool_ops = &tsi108_ethtool_ops;
-
- /* Apparently, the Linux networking code won't use scatter-gather
- * if the hardware doesn't do checksums. However, it's faster
- * to checksum in place and use SG, as (among other reasons)
- * the cache won't be dirtied (which then has to be flushed
- * before DMA). The checksumming is done by the driver (via
- * a new function skb_csum_dev() in net/core/skbuff.c).
- */
-
- dev->features = NETIF_F_HIGHDMA;
-
- spin_lock_init(&data->txlock);
- spin_lock_init(&data->misclock);
-
- tsi108_reset_ether(data);
- tsi108_kill_phy(dev);
-
- if ((err = tsi108_get_mac(dev)) != 0) {
- printk(KERN_ERR "%s: Invalid MAC address. Please correct.\n",
- dev->name);
- goto register_fail;
- }
-
- tsi108_init_mac(dev);
- err = register_netdev(dev);
- if (err) {
- printk(KERN_ERR "%s: Cannot register net device, aborting.\n",
- dev->name);
- goto register_fail;
- }
-
- platform_set_drvdata(pdev, dev);
- printk(KERN_INFO "%s: Tsi108 Gigabit Ethernet, MAC: %pM\n",
- dev->name, dev->dev_addr);
-#ifdef DEBUG
- data->msg_enable = DEBUG;
- dump_eth_one(dev);
-#endif
-
- return 0;
-
-register_fail:
- iounmap(data->regs);
- iounmap(data->phyregs);
-
-regs_fail:
- free_netdev(dev);
- return err;
-}
-
-/* There's no way to either get interrupts from the PHY when
- * something changes, or to have the Tsi108 automatically communicate
- * with the PHY to reconfigure itself.
- *
- * Thus, we have to do it using a timer.
- */
-
-static void tsi108_timed_checker(unsigned long dev_ptr)
-{
- struct net_device *dev = (struct net_device *)dev_ptr;
- struct tsi108_prv_data *data = netdev_priv(dev);
-
- tsi108_check_phy(dev);
- tsi108_check_rxring(dev);
- mod_timer(&data->timer, jiffies + CHECK_PHY_INTERVAL);
-}
-
-static int tsi108_ether_init(void)
-{
- int ret;
- ret = platform_driver_register (&tsi_eth_driver);
- if (ret < 0){
- printk("tsi108_ether_init: error initializing ethernet "
- "device\n");
- return ret;
- }
- return 0;
-}
-
-static int tsi108_ether_remove(struct platform_device *pdev)
-{
- struct net_device *dev = platform_get_drvdata(pdev);
- struct tsi108_prv_data *priv = netdev_priv(dev);
-
- unregister_netdev(dev);
- tsi108_stop_ethernet(dev);
- platform_set_drvdata(pdev, NULL);
- iounmap(priv->regs);
- iounmap(priv->phyregs);
- free_netdev(dev);
-
- return 0;
-}
-static void tsi108_ether_exit(void)
-{
- platform_driver_unregister(&tsi_eth_driver);
-}
-
-module_init(tsi108_ether_init);
-module_exit(tsi108_ether_exit);
-
-MODULE_AUTHOR("Tundra Semiconductor Corporation");
-MODULE_DESCRIPTION("Tsi108 Gigabit Ethernet driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:tsi-ethernet");
+++ /dev/null
-/*
- * (C) Copyright 2005 Tundra Semiconductor Corp.
- * Kong Lai, <kong.lai@tundra.com).
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/*
- * net/tsi108_eth.h - definitions for Tsi108 GIGE network controller.
- */
-
-#ifndef __TSI108_ETH_H
-#define __TSI108_ETH_H
-
-#include <linux/types.h>
-
-#define TSI_WRITE(offset, val) \
- out_be32((data->regs + (offset)), val)
-
-#define TSI_READ(offset) \
- in_be32((data->regs + (offset)))
-
-#define TSI_WRITE_PHY(offset, val) \
- out_be32((data->phyregs + (offset)), val)
-
-#define TSI_READ_PHY(offset) \
- in_be32((data->phyregs + (offset)))
-
-/*
- * TSI108 GIGE port registers
- */
-
-#define TSI108_ETH_PORT_NUM 2
-#define TSI108_PBM_PORT 2
-#define TSI108_SDRAM_PORT 4
-
-#define TSI108_MAC_CFG1 (0x000)
-#define TSI108_MAC_CFG1_SOFTRST (1 << 31)
-#define TSI108_MAC_CFG1_LOOPBACK (1 << 8)
-#define TSI108_MAC_CFG1_RXEN (1 << 2)
-#define TSI108_MAC_CFG1_TXEN (1 << 0)
-
-#define TSI108_MAC_CFG2 (0x004)
-#define TSI108_MAC_CFG2_DFLT_PREAMBLE (7 << 12)
-#define TSI108_MAC_CFG2_IFACE_MASK (3 << 8)
-#define TSI108_MAC_CFG2_NOGIG (1 << 8)
-#define TSI108_MAC_CFG2_GIG (2 << 8)
-#define TSI108_MAC_CFG2_PADCRC (1 << 2)
-#define TSI108_MAC_CFG2_FULLDUPLEX (1 << 0)
-
-#define TSI108_MAC_MII_MGMT_CFG (0x020)
-#define TSI108_MAC_MII_MGMT_CLK (7 << 0)
-#define TSI108_MAC_MII_MGMT_RST (1 << 31)
-
-#define TSI108_MAC_MII_CMD (0x024)
-#define TSI108_MAC_MII_CMD_READ (1 << 0)
-
-#define TSI108_MAC_MII_ADDR (0x028)
-#define TSI108_MAC_MII_ADDR_REG 0
-#define TSI108_MAC_MII_ADDR_PHY 8
-
-#define TSI108_MAC_MII_DATAOUT (0x02c)
-#define TSI108_MAC_MII_DATAIN (0x030)
-
-#define TSI108_MAC_MII_IND (0x034)
-#define TSI108_MAC_MII_IND_NOTVALID (1 << 2)
-#define TSI108_MAC_MII_IND_SCANNING (1 << 1)
-#define TSI108_MAC_MII_IND_BUSY (1 << 0)
-
-#define TSI108_MAC_IFCTRL (0x038)
-#define TSI108_MAC_IFCTRL_PHYMODE (1 << 24)
-
-#define TSI108_MAC_ADDR1 (0x040)
-#define TSI108_MAC_ADDR2 (0x044)
-
-#define TSI108_STAT_RXBYTES (0x06c)
-#define TSI108_STAT_RXBYTES_CARRY (1 << 24)
-
-#define TSI108_STAT_RXPKTS (0x070)
-#define TSI108_STAT_RXPKTS_CARRY (1 << 18)
-
-#define TSI108_STAT_RXFCS (0x074)
-#define TSI108_STAT_RXFCS_CARRY (1 << 12)
-
-#define TSI108_STAT_RXMCAST (0x078)
-#define TSI108_STAT_RXMCAST_CARRY (1 << 18)
-
-#define TSI108_STAT_RXALIGN (0x08c)
-#define TSI108_STAT_RXALIGN_CARRY (1 << 12)
-
-#define TSI108_STAT_RXLENGTH (0x090)
-#define TSI108_STAT_RXLENGTH_CARRY (1 << 12)
-
-#define TSI108_STAT_RXRUNT (0x09c)
-#define TSI108_STAT_RXRUNT_CARRY (1 << 12)
-
-#define TSI108_STAT_RXJUMBO (0x0a0)
-#define TSI108_STAT_RXJUMBO_CARRY (1 << 12)
-
-#define TSI108_STAT_RXFRAG (0x0a4)
-#define TSI108_STAT_RXFRAG_CARRY (1 << 12)
-
-#define TSI108_STAT_RXJABBER (0x0a8)
-#define TSI108_STAT_RXJABBER_CARRY (1 << 12)
-
-#define TSI108_STAT_RXDROP (0x0ac)
-#define TSI108_STAT_RXDROP_CARRY (1 << 12)
-
-#define TSI108_STAT_TXBYTES (0x0b0)
-#define TSI108_STAT_TXBYTES_CARRY (1 << 24)
-
-#define TSI108_STAT_TXPKTS (0x0b4)
-#define TSI108_STAT_TXPKTS_CARRY (1 << 18)
-
-#define TSI108_STAT_TXEXDEF (0x0c8)
-#define TSI108_STAT_TXEXDEF_CARRY (1 << 12)
-
-#define TSI108_STAT_TXEXCOL (0x0d8)
-#define TSI108_STAT_TXEXCOL_CARRY (1 << 12)
-
-#define TSI108_STAT_TXTCOL (0x0dc)
-#define TSI108_STAT_TXTCOL_CARRY (1 << 13)
-
-#define TSI108_STAT_TXPAUSEDROP (0x0e4)
-#define TSI108_STAT_TXPAUSEDROP_CARRY (1 << 12)
-
-#define TSI108_STAT_CARRY1 (0x100)
-#define TSI108_STAT_CARRY1_RXBYTES (1 << 16)
-#define TSI108_STAT_CARRY1_RXPKTS (1 << 15)
-#define TSI108_STAT_CARRY1_RXFCS (1 << 14)
-#define TSI108_STAT_CARRY1_RXMCAST (1 << 13)
-#define TSI108_STAT_CARRY1_RXALIGN (1 << 8)
-#define TSI108_STAT_CARRY1_RXLENGTH (1 << 7)
-#define TSI108_STAT_CARRY1_RXRUNT (1 << 4)
-#define TSI108_STAT_CARRY1_RXJUMBO (1 << 3)
-#define TSI108_STAT_CARRY1_RXFRAG (1 << 2)
-#define TSI108_STAT_CARRY1_RXJABBER (1 << 1)
-#define TSI108_STAT_CARRY1_RXDROP (1 << 0)
-
-#define TSI108_STAT_CARRY2 (0x104)
-#define TSI108_STAT_CARRY2_TXBYTES (1 << 13)
-#define TSI108_STAT_CARRY2_TXPKTS (1 << 12)
-#define TSI108_STAT_CARRY2_TXEXDEF (1 << 7)
-#define TSI108_STAT_CARRY2_TXEXCOL (1 << 3)
-#define TSI108_STAT_CARRY2_TXTCOL (1 << 2)
-#define TSI108_STAT_CARRY2_TXPAUSE (1 << 0)
-
-#define TSI108_STAT_CARRYMASK1 (0x108)
-#define TSI108_STAT_CARRYMASK2 (0x10c)
-
-#define TSI108_EC_PORTCTRL (0x200)
-#define TSI108_EC_PORTCTRL_STATRST (1 << 31)
-#define TSI108_EC_PORTCTRL_STATEN (1 << 28)
-#define TSI108_EC_PORTCTRL_NOGIG (1 << 18)
-#define TSI108_EC_PORTCTRL_HALFDUPLEX (1 << 16)
-
-#define TSI108_EC_INTSTAT (0x204)
-#define TSI108_EC_INTMASK (0x208)
-
-#define TSI108_INT_ANY (1 << 31)
-#define TSI108_INT_SFN (1 << 30)
-#define TSI108_INT_RXIDLE (1 << 29)
-#define TSI108_INT_RXABORT (1 << 28)
-#define TSI108_INT_RXERROR (1 << 27)
-#define TSI108_INT_RXOVERRUN (1 << 26)
-#define TSI108_INT_RXTHRESH (1 << 25)
-#define TSI108_INT_RXWAIT (1 << 24)
-#define TSI108_INT_RXQUEUE0 (1 << 16)
-#define TSI108_INT_STATCARRY (1 << 15)
-#define TSI108_INT_TXIDLE (1 << 13)
-#define TSI108_INT_TXABORT (1 << 12)
-#define TSI108_INT_TXERROR (1 << 11)
-#define TSI108_INT_TXUNDERRUN (1 << 10)
-#define TSI108_INT_TXTHRESH (1 << 9)
-#define TSI108_INT_TXWAIT (1 << 8)
-#define TSI108_INT_TXQUEUE0 (1 << 0)
-
-#define TSI108_EC_TXCFG (0x220)
-#define TSI108_EC_TXCFG_RST (1 << 31)
-
-#define TSI108_EC_TXCTRL (0x224)
-#define TSI108_EC_TXCTRL_IDLEINT (1 << 31)
-#define TSI108_EC_TXCTRL_ABORT (1 << 30)
-#define TSI108_EC_TXCTRL_GO (1 << 15)
-#define TSI108_EC_TXCTRL_QUEUE0 (1 << 0)
-
-#define TSI108_EC_TXSTAT (0x228)
-#define TSI108_EC_TXSTAT_ACTIVE (1 << 15)
-#define TSI108_EC_TXSTAT_QUEUE0 (1 << 0)
-
-#define TSI108_EC_TXESTAT (0x22c)
-#define TSI108_EC_TXESTAT_Q0_ERR (1 << 24)
-#define TSI108_EC_TXESTAT_Q0_DESCINT (1 << 16)
-#define TSI108_EC_TXESTAT_Q0_EOF (1 << 8)
-#define TSI108_EC_TXESTAT_Q0_EOQ (1 << 0)
-
-#define TSI108_EC_TXERR (0x278)
-
-#define TSI108_EC_TXQ_CFG (0x280)
-#define TSI108_EC_TXQ_CFG_DESC_INT (1 << 20)
-#define TSI108_EC_TXQ_CFG_EOQ_OWN_INT (1 << 19)
-#define TSI108_EC_TXQ_CFG_WSWP (1 << 11)
-#define TSI108_EC_TXQ_CFG_BSWP (1 << 10)
-#define TSI108_EC_TXQ_CFG_SFNPORT 0
-
-#define TSI108_EC_TXQ_BUFCFG (0x284)
-#define TSI108_EC_TXQ_BUFCFG_BURST8 (0 << 8)
-#define TSI108_EC_TXQ_BUFCFG_BURST32 (1 << 8)
-#define TSI108_EC_TXQ_BUFCFG_BURST128 (2 << 8)
-#define TSI108_EC_TXQ_BUFCFG_BURST256 (3 << 8)
-#define TSI108_EC_TXQ_BUFCFG_WSWP (1 << 11)
-#define TSI108_EC_TXQ_BUFCFG_BSWP (1 << 10)
-#define TSI108_EC_TXQ_BUFCFG_SFNPORT 0
-
-#define TSI108_EC_TXQ_PTRLOW (0x288)
-
-#define TSI108_EC_TXQ_PTRHIGH (0x28c)
-#define TSI108_EC_TXQ_PTRHIGH_VALID (1 << 31)
-
-#define TSI108_EC_TXTHRESH (0x230)
-#define TSI108_EC_TXTHRESH_STARTFILL 0
-#define TSI108_EC_TXTHRESH_STOPFILL 16
-
-#define TSI108_EC_RXCFG (0x320)
-#define TSI108_EC_RXCFG_RST (1 << 31)
-
-#define TSI108_EC_RXSTAT (0x328)
-#define TSI108_EC_RXSTAT_ACTIVE (1 << 15)
-#define TSI108_EC_RXSTAT_QUEUE0 (1 << 0)
-
-#define TSI108_EC_RXESTAT (0x32c)
-#define TSI108_EC_RXESTAT_Q0_ERR (1 << 24)
-#define TSI108_EC_RXESTAT_Q0_DESCINT (1 << 16)
-#define TSI108_EC_RXESTAT_Q0_EOF (1 << 8)
-#define TSI108_EC_RXESTAT_Q0_EOQ (1 << 0)
-
-#define TSI108_EC_HASHADDR (0x360)
-#define TSI108_EC_HASHADDR_AUTOINC (1 << 31)
-#define TSI108_EC_HASHADDR_DO1STREAD (1 << 30)
-#define TSI108_EC_HASHADDR_UNICAST (0 << 4)
-#define TSI108_EC_HASHADDR_MCAST (1 << 4)
-
-#define TSI108_EC_HASHDATA (0x364)
-
-#define TSI108_EC_RXQ_PTRLOW (0x388)
-
-#define TSI108_EC_RXQ_PTRHIGH (0x38c)
-#define TSI108_EC_RXQ_PTRHIGH_VALID (1 << 31)
-
-/* Station Enable -- accept packets destined for us */
-#define TSI108_EC_RXCFG_SE (1 << 13)
-/* Unicast Frame Enable -- for packets not destined for us */
-#define TSI108_EC_RXCFG_UFE (1 << 12)
-/* Multicast Frame Enable */
-#define TSI108_EC_RXCFG_MFE (1 << 11)
-/* Broadcast Frame Enable */
-#define TSI108_EC_RXCFG_BFE (1 << 10)
-#define TSI108_EC_RXCFG_UC_HASH (1 << 9)
-#define TSI108_EC_RXCFG_MC_HASH (1 << 8)
-
-#define TSI108_EC_RXQ_CFG (0x380)
-#define TSI108_EC_RXQ_CFG_DESC_INT (1 << 20)
-#define TSI108_EC_RXQ_CFG_EOQ_OWN_INT (1 << 19)
-#define TSI108_EC_RXQ_CFG_WSWP (1 << 11)
-#define TSI108_EC_RXQ_CFG_BSWP (1 << 10)
-#define TSI108_EC_RXQ_CFG_SFNPORT 0
-
-#define TSI108_EC_RXQ_BUFCFG (0x384)
-#define TSI108_EC_RXQ_BUFCFG_BURST8 (0 << 8)
-#define TSI108_EC_RXQ_BUFCFG_BURST32 (1 << 8)
-#define TSI108_EC_RXQ_BUFCFG_BURST128 (2 << 8)
-#define TSI108_EC_RXQ_BUFCFG_BURST256 (3 << 8)
-#define TSI108_EC_RXQ_BUFCFG_WSWP (1 << 11)
-#define TSI108_EC_RXQ_BUFCFG_BSWP (1 << 10)
-#define TSI108_EC_RXQ_BUFCFG_SFNPORT 0
-
-#define TSI108_EC_RXCTRL (0x324)
-#define TSI108_EC_RXCTRL_ABORT (1 << 30)
-#define TSI108_EC_RXCTRL_GO (1 << 15)
-#define TSI108_EC_RXCTRL_QUEUE0 (1 << 0)
-
-#define TSI108_EC_RXERR (0x378)
-
-#define TSI108_TX_EOF (1 << 0) /* End of frame; last fragment of packet */
-#define TSI108_TX_SOF (1 << 1) /* Start of frame; first frag. of packet */
-#define TSI108_TX_VLAN (1 << 2) /* Per-frame VLAN: enables VLAN override */
-#define TSI108_TX_HUGE (1 << 3) /* Huge frame enable */
-#define TSI108_TX_PAD (1 << 4) /* Pad the packet if too short */
-#define TSI108_TX_CRC (1 << 5) /* Generate CRC for this packet */
-#define TSI108_TX_INT (1 << 14) /* Generate an IRQ after frag. processed */
-#define TSI108_TX_RETRY (0xf << 16) /* 4 bit field indicating num. of retries */
-#define TSI108_TX_COL (1 << 20) /* Set if a collision occurred */
-#define TSI108_TX_LCOL (1 << 24) /* Set if a late collision occurred */
-#define TSI108_TX_UNDER (1 << 25) /* Set if a FIFO underrun occurred */
-#define TSI108_TX_RLIM (1 << 26) /* Set if the retry limit was reached */
-#define TSI108_TX_OK (1 << 30) /* Set if the frame TX was successful */
-#define TSI108_TX_OWN (1 << 31) /* Set if the device owns the descriptor */
-
-/* Note: the descriptor layouts assume big-endian byte order. */
-typedef struct {
- u32 buf0;
- u32 buf1; /* Base address of buffer */
- u32 next0; /* Address of next descriptor, if any */
- u32 next1;
- u16 vlan; /* VLAN, if override enabled for this packet */
- u16 len; /* Length of buffer in bytes */
- u32 misc; /* See TSI108_TX_* above */
- u32 reserved0; /*reserved0 and reserved1 are added to make the desc */
- u32 reserved1; /* 32-byte aligned */
-} __attribute__ ((aligned(32))) tx_desc;
-
-#define TSI108_RX_EOF (1 << 0) /* End of frame; last fragment of packet */
-#define TSI108_RX_SOF (1 << 1) /* Start of frame; first frag. of packet */
-#define TSI108_RX_VLAN (1 << 2) /* Set on SOF if packet has a VLAN */
-#define TSI108_RX_FTYPE (1 << 3) /* Length/Type field is type, not length */
-#define TSI108_RX_RUNT (1 << 4)/* Packet is less than minimum size */
-#define TSI108_RX_HASH (1 << 7)/* Hash table match */
-#define TSI108_RX_BAD (1 << 8) /* Bad frame */
-#define TSI108_RX_OVER (1 << 9) /* FIFO overrun occurred */
-#define TSI108_RX_TRUNC (1 << 11) /* Packet truncated due to excess length */
-#define TSI108_RX_CRC (1 << 12) /* Packet had a CRC error */
-#define TSI108_RX_INT (1 << 13) /* Generate an IRQ after frag. processed */
-#define TSI108_RX_OWN (1 << 15) /* Set if the device owns the descriptor */
-
-#define TSI108_RX_SKB_SIZE 1536 /* The RX skb length */
-
-typedef struct {
- u32 buf0; /* Base address of buffer */
- u32 buf1; /* Base address of buffer */
- u32 next0; /* Address of next descriptor, if any */
- u32 next1; /* Address of next descriptor, if any */
- u16 vlan; /* VLAN of received packet, first frag only */
- u16 len; /* Length of received fragment in bytes */
- u16 blen; /* Length of buffer in bytes */
- u16 misc; /* See TSI108_RX_* above */
- u32 reserved0; /* reserved0 and reserved1 are added to make the desc */
- u32 reserved1; /* 32-byte aligned */
-} __attribute__ ((aligned(32))) rx_desc;
-
-#endif /* __TSI108_ETH_H */
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff