1 files changed, 0 insertions, 493 deletions

diff --git a/target/linux/ifxmips/files/drivers/net/ifxmips.c b/target/linux/ifxmips/files/drivers/net/ifxmips.c
deleted file mode 100644
index 4c618352dd..0000000000
--- a/target/linux/ifxmips/files/drivers/net/ifxmips.c
+++ /dev/null
@@ -1,493 +0,0 @@
-/*
- *   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.
- *
- *   Copyright (C) 2005 Wu Qi Ming <Qi-Ming.Wu@infineon.com>
- *   Copyright (C) 2008 John Crispin <blogic@openwrt.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/errno.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/uaccess.h>
-#include <linux/in.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/phy.h>
-#include <linux/ip.h>
-#include <linux/tcp.h>
-#include <linux/skbuff.h>
-#include <linux/mm.h>
-#include <linux/platform_device.h>
-#include <linux/ethtool.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-
-#include <asm/checksum.h>
-
-#include <ifxmips.h>
-#include <ifxmips_dma.h>
-#include <ifxmips_pmu.h>
-#include <ifxmips_platform.h>
-
-struct ifxmips_mii_priv {
-	struct net_device_stats stats;
-	struct dma_device_info *dma_device;
-	struct sk_buff *skb;
-
-	struct mii_bus *mii_bus;
-	struct phy_device *phydev;
-	int oldlink, oldspeed, oldduplex;
-};
-
-static struct net_device *ifxmips_mii0_dev;
-static unsigned char mac_addr[MAX_ADDR_LEN];
-
-static int ifxmips_mdiobus_write(struct mii_bus *bus, int phy_addr,
-				int phy_reg, u16 phy_data)
-{
-	u32 val = MDIO_ACC_REQUEST |
-		((phy_addr & MDIO_ACC_ADDR_MASK) << MDIO_ACC_ADDR_OFFSET) |
-		((phy_reg & MDIO_ACC_REG_MASK) << MDIO_ACC_REG_OFFSET) |
-		phy_data;
-
-	while (ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_REQUEST)
-		;
-	ifxmips_w32(val, IFXMIPS_PPE32_MDIO_ACC);
-
-	return 0;
-}
-
-static int ifxmips_mdiobus_read(struct mii_bus *bus, int phy_addr, int phy_reg)
-{
-	u32 val = MDIO_ACC_REQUEST | MDIO_ACC_READ |
-		((phy_addr & MDIO_ACC_ADDR_MASK) << MDIO_ACC_ADDR_OFFSET) |
-		((phy_reg & MDIO_ACC_REG_MASK) << MDIO_ACC_REG_OFFSET);
-
-	while (ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_REQUEST)
-		;
-	ifxmips_w32(val, IFXMIPS_PPE32_MDIO_ACC);
-	while (ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_REQUEST)
-		;
-	val = ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_VAL_MASK;
-	return val;
-}
-
-int ifxmips_ifxmips_mii_open(struct net_device *dev)
-{
-	struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev);
-	struct dma_device_info *dma_dev = priv->dma_device;
-	int i;
-
-	for (i = 0; i < dma_dev->max_rx_chan_num; i++) {
-		if ((dma_dev->rx_chan[i])->control == IFXMIPS_DMA_CH_ON)
-			(dma_dev->rx_chan[i])->open(dma_dev->rx_chan[i]);
-	}
-	netif_start_queue(dev);
-	return 0;
-}
-
-int ifxmips_mii_release(struct net_device *dev)
-{
-	struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev);
-	struct dma_device_info *dma_dev = priv->dma_device;
-	int i;
-
-	for (i = 0; i < dma_dev->max_rx_chan_num; i++)
-		dma_dev->rx_chan[i]->close(dma_dev->rx_chan[i]);
-	netif_stop_queue(dev);
-	return 0;
-}
-
-int ifxmips_mii_hw_receive(struct net_device *dev, struct dma_device_info *dma_dev)
-{
-	struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev);
-	unsigned char *buf = NULL;
-	struct sk_buff *skb = NULL;
-	int len = 0;
-
-	len = dma_device_read(dma_dev, &buf, (void **)&skb);
-
-	if (len >= ETHERNET_PACKET_DMA_BUFFER_SIZE) {
-		printk(KERN_INFO "ifxmips_mii0: packet too large %d\n", len);
-		goto ifxmips_mii_hw_receive_err_exit;
-	}
-
-	/* remove CRC */
-	len -= 4;
-	if (skb == NULL) {
-		printk(KERN_INFO "ifxmips_mii0: cannot restore pointer\n");
-		goto ifxmips_mii_hw_receive_err_exit;
-	}
-
-	if (len > (skb->end - skb->tail)) {
-		printk(KERN_INFO "ifxmips_mii0: BUG, len:%d end:%p tail:%p\n",
-			(len+4), skb->end, skb->tail);
-		goto ifxmips_mii_hw_receive_err_exit;
-	}
-
-	skb_put(skb, len);
-	skb->dev = dev;
-	skb->protocol = eth_type_trans(skb, dev);
-	netif_rx(skb);
-
-	priv->stats.rx_packets++;
-	priv->stats.rx_bytes += len;
-	return 0;
-
-ifxmips_mii_hw_receive_err_exit:
-	if (len == 0) {
-		if (skb)
-			dev_kfree_skb_any(skb);
-		priv->stats.rx_errors++;
-		priv->stats.rx_dropped++;
-		return -EIO;
-	} else {
-		return len;
-	}
-}
-
-int ifxmips_mii_hw_tx(char *buf, int len, struct net_device *dev)
-{
-	int ret = 0;
-	struct ifxmips_mii_priv *priv = netdev_priv(dev);
-	struct dma_device_info *dma_dev = priv->dma_device;
-	ret = dma_device_write(dma_dev, buf, len, priv->skb);
-	return ret;
-}
-
-int ifxmips_mii_tx(struct sk_buff *skb, struct net_device *dev)
-{
-	int len;
-	char *data;
-	struct ifxmips_mii_priv *priv = netdev_priv(dev);
-	struct dma_device_info *dma_dev = priv->dma_device;
-
-	len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len;
-	data = skb->data;
-	priv->skb = skb;
-	dev->trans_start = jiffies;
-	/* TODO: we got more than 1 dma channel,
-	   so we should do something intelligent here to select one */
-	dma_dev->current_tx_chan = 0;
-
-	wmb();
-
-	if (ifxmips_mii_hw_tx(data, len, dev) != len) {
-		dev_kfree_skb_any(skb);
-		priv->stats.tx_errors++;
-		priv->stats.tx_dropped++;
-	} else {
-		priv->stats.tx_packets++;
-		priv->stats.tx_bytes += len;
-	}
-
-	return 0;
-}
-
-void ifxmips_mii_tx_timeout(struct net_device *dev)
-{
-	int i;
-	struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev);
-
-	priv->stats.tx_errors++;
-	for (i = 0; i < priv->dma_device->max_tx_chan_num; i++)
-		priv->dma_device->tx_chan[i]->disable_irq(priv->dma_device->tx_chan[i]);
-	netif_wake_queue(dev);
-	return;
-}
-
-int dma_intr_handler(struct dma_device_info *dma_dev, int status)
-{
-	int i;
-
-	switch (status) {
-	case RCV_INT:
-		ifxmips_mii_hw_receive(ifxmips_mii0_dev, dma_dev);
-		break;
-
-	case TX_BUF_FULL_INT:
-		printk(KERN_INFO "ifxmips_mii0: tx buffer full\n");
-		netif_stop_queue(ifxmips_mii0_dev);
-		for (i = 0; i < dma_dev->max_tx_chan_num; i++) {
-			if ((dma_dev->tx_chan[i])->control == IFXMIPS_DMA_CH_ON)
-				dma_dev->tx_chan[i]->enable_irq(dma_dev->tx_chan[i]);
-		}
-		break;
-
-	case TRANSMIT_CPT_INT:
-		for (i = 0; i < dma_dev->max_tx_chan_num; i++)
-			dma_dev->tx_chan[i]->disable_irq(dma_dev->tx_chan[i]);
-
-		netif_wake_queue(ifxmips_mii0_dev);
-		break;
-	}
-
-	return 0;
-}
-
-unsigned char *ifxmips_etop_dma_buffer_alloc(int len, int *byte_offset, void **opt)
-{
-	unsigned char *buffer = NULL;
-	struct sk_buff *skb = NULL;
-
-	skb = dev_alloc_skb(ETHERNET_PACKET_DMA_BUFFER_SIZE);
-	if (skb == NULL)
-		return NULL;
-
-	buffer = (unsigned char *)(skb->data);
-	skb_reserve(skb, 2);
-	*(int *)opt = (int)skb;
-	*byte_offset = 2;
-
-	return buffer;
-}
-
-void ifxmips_etop_dma_buffer_free(unsigned char *dataptr, void *opt)
-{
-	struct sk_buff *skb = NULL;
-
-	if (opt == NULL) {
-		kfree(dataptr);
-	} else {
-		skb = (struct sk_buff *)opt;
-		dev_kfree_skb_any(skb);
-	}
-}
-
-static void
-ifxmips_adjust_link(struct net_device *dev)
-{
-	struct ifxmips_mii_priv *priv = netdev_priv(dev);
-	struct phy_device *phydev = priv->phydev;
-	int new_state = 0;
-
-	/* Did anything change? */
-	if (priv->oldlink != phydev->link ||
-		priv->oldduplex != phydev->duplex ||
-		priv->oldspeed != phydev->speed) {
-		/* Yes, so update status and mark as changed */
-		new_state = 1;
-		priv->oldduplex = phydev->duplex;
-		priv->oldspeed = phydev->speed;
-		priv->oldlink = phydev->link;
-	}
-
-	/* If link status changed, show new status */
-	if (new_state)
-		phy_print_status(phydev);
-}
-
-static int mii_probe(struct net_device *dev)
-{
-	struct ifxmips_mii_priv *priv = netdev_priv(dev);
-	struct phy_device *phydev = NULL;
-	int phy_addr;
-
-	priv->oldlink = 0;
-	priv->oldspeed = 0;
-	priv->oldduplex = -1;
-
-	/* find the first (lowest address) PHY on the current MAC's MII bus */
-	for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
-		if (priv->mii_bus->phy_map[phy_addr]) {
-			phydev = priv->mii_bus->phy_map[phy_addr];
-			break; /* break out with first one found */
-		}
-	}
-
-	if (!phydev) {
-		printk (KERN_ERR "%s: no PHY found\n", dev->name);
-		return -ENODEV;
-	}
-
-	/* now we are supposed to have a proper phydev, to attach to... */
-	BUG_ON(!phydev);
-	BUG_ON(phydev->attached_dev);
-
-	phydev = phy_connect(dev, dev_name(&phydev->dev), &ifxmips_adjust_link,
-			0, PHY_INTERFACE_MODE_MII);
-
-	if (IS_ERR(phydev)) {
-		printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
-		return PTR_ERR(phydev);
-	}
-
-	/* mask with MAC supported features */
-	phydev->supported &= (SUPPORTED_10baseT_Half
-			      | SUPPORTED_10baseT_Full
-			      | SUPPORTED_100baseT_Half
-			      | SUPPORTED_100baseT_Full
-			      | SUPPORTED_Autoneg
-			      /* | SUPPORTED_Pause | SUPPORTED_Asym_Pause */
-			      | SUPPORTED_MII
-			      | SUPPORTED_TP);
-
-	phydev->advertising = phydev->supported;
-
-	priv->phydev = phydev;
-
-	printk(KERN_INFO "%s: attached PHY driver [%s] "
-	       "(mii_bus:phy_addr=%s, irq=%d)\n",
-	       dev->name, phydev->drv->name, dev_name(&phydev->dev), phydev->irq);
-
-	return 0;
-}
-
-
-static int ifxmips_mii_dev_init(struct net_device *dev)
-{
-	int i;
-	struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev);
-	ether_setup(dev);
-	dev->watchdog_timeo = 10 * HZ;
-	dev->mtu = 1500;
-	memset(priv, 0, sizeof(struct ifxmips_mii_priv));
-	priv->dma_device = dma_device_reserve("PPE");
-	if (!priv->dma_device) {
-		BUG();
-		return -ENODEV;
-	}
-	priv->dma_device->buffer_alloc = &ifxmips_etop_dma_buffer_alloc;
-	priv->dma_device->buffer_free = &ifxmips_etop_dma_buffer_free;
-	priv->dma_device->intr_handler = &dma_intr_handler;
-	priv->dma_device->max_rx_chan_num = 4;
-
-	for (i = 0; i < priv->dma_device->max_rx_chan_num; i++) {
-		priv->dma_device->rx_chan[i]->packet_size = ETHERNET_PACKET_DMA_BUFFER_SIZE;
-		priv->dma_device->rx_chan[i]->control = IFXMIPS_DMA_CH_ON;
-	}
-
-	for (i = 0; i < priv->dma_device->max_tx_chan_num; i++)
-		if (i == 0)
-			priv->dma_device->tx_chan[i]->control = IFXMIPS_DMA_CH_ON;
-		else
-			priv->dma_device->tx_chan[i]->control = IFXMIPS_DMA_CH_OFF;
-
-	dma_device_register(priv->dma_device);
-
-	printk(KERN_INFO "%s: using mac=", dev->name);
-	for (i = 0; i < 6; i++) {
-		dev->dev_addr[i] = mac_addr[i];
-		printk("%02X%c", dev->dev_addr[i], (i == 5) ? ('\n') : (':'));
-	}
-
-	priv->mii_bus = mdiobus_alloc();
-	if (priv->mii_bus == NULL)
-		return -ENOMEM;
-
-	priv->mii_bus->priv = dev;
-	priv->mii_bus->read = ifxmips_mdiobus_read;
-	priv->mii_bus->write = ifxmips_mdiobus_write;
-	priv->mii_bus->name = "ifxmips_mii";
-	snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%x", 0);
-	priv->mii_bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
-	for(i = 0; i < PHY_MAX_ADDR; ++i)
-		priv->mii_bus->irq[i] = PHY_POLL;
-
-	mdiobus_register(priv->mii_bus);
-
-	return mii_probe(dev);
-}
-
-static void ifxmips_mii_chip_init(int mode)
-{
-	ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_DMA);
-	ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_PPE);
-
-	if (mode == REV_MII_MODE)
-		ifxmips_w32_mask(PPE32_MII_MASK, PPE32_MII_REVERSE, IFXMIPS_PPE32_CFG);
-	else if (mode == MII_MODE)
-		ifxmips_w32_mask(PPE32_MII_MASK, PPE32_MII_NORMAL, IFXMIPS_PPE32_CFG);
-	ifxmips_w32(PPE32_PLEN_UNDER | PPE32_PLEN_OVER, IFXMIPS_PPE32_IG_PLEN_CTRL);
-	ifxmips_w32(PPE32_CGEN, IFXMIPS_PPE32_ENET_MAC_CFG);
-	wmb();
-}
-
-static const struct net_device_ops ifxmips_eth_netdev_ops = {
-	.ndo_init				= ifxmips_mii_dev_init,
-	.ndo_open				= ifxmips_ifxmips_mii_open,
-	.ndo_stop				= ifxmips_mii_release,
-	.ndo_start_xmit			= ifxmips_mii_tx,
-	.ndo_tx_timeout			= ifxmips_mii_tx_timeout,
-	.ndo_change_mtu			= eth_change_mtu,
-	.ndo_set_mac_address	= eth_mac_addr,
-	.ndo_validate_addr		= eth_validate_addr,
-};
-
-static int
-ifxmips_mii_probe(struct platform_device *dev)
-{
-	int result = 0;
-	struct ifxmips_eth_data *eth = (struct ifxmips_eth_data*)dev->dev.platform_data;
-	ifxmips_mii0_dev = alloc_etherdev(sizeof(struct ifxmips_mii_priv));
-	ifxmips_mii0_dev->netdev_ops = &ifxmips_eth_netdev_ops;
-	memcpy(mac_addr, eth->mac, 6);
-	strcpy(ifxmips_mii0_dev->name, "eth%d");
-	ifxmips_mii_chip_init(eth->mii_mode);
-	result = register_netdev(ifxmips_mii0_dev);
-	if (result) {
-		printk(KERN_INFO "ifxmips_mii0: error %i registering device \"%s\"\n", result, ifxmips_mii0_dev->name);
-		goto out;
-	}
-
-	printk(KERN_INFO "ifxmips_mii0: driver loaded!\n");
-
-out:
-	return result;
-}
-
-static int ifxmips_mii_remove(struct platform_device *dev)
-{
-	struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(ifxmips_mii0_dev);
-
-	printk(KERN_INFO "ifxmips_mii0: ifxmips_mii0 cleanup\n");
-
-	dma_device_unregister(priv->dma_device);
-	dma_device_release(priv->dma_device);
-	kfree(priv->dma_device);
-	unregister_netdev(ifxmips_mii0_dev);
-	return 0;
-}
-
-static struct platform_driver ifxmips_mii_driver = {
-	.probe = ifxmips_mii_probe,
-	.remove = ifxmips_mii_remove,
-	.driver = {
-		.name = "ifxmips_mii0",
-		.owner = THIS_MODULE,
-	},
-};
-
-int __init ifxmips_mii_init(void)
-{
-	int ret = platform_driver_register(&ifxmips_mii_driver);
-	if (ret)
-		printk(KERN_INFO "ifxmips_mii0: Error registering platfom driver!");
-	return ret;
-}
-
-static void __exit ifxmips_mii_cleanup(void)
-{
-	platform_driver_unregister(&ifxmips_mii_driver);
-}
-
-module_init(ifxmips_mii_init);
-module_exit(ifxmips_mii_cleanup);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
-MODULE_DESCRIPTION("ethernet driver for IFXMIPS boards");