From 133d66da06e979b099f831b63f28ab0670992547 Mon Sep 17 00:00:00 2001
From: luka <luka@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Sun, 11 Nov 2012 20:03:56 +0000
Subject: cns3xxx: convert ethernet patches to files

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34161 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 .../cns3xxx/patches-3.3/051-cns3xxx_gigabit.patch  | 1356 --------------------
 1 file changed, 1356 deletions(-)
 delete mode 100644 target/linux/cns3xxx/patches-3.3/051-cns3xxx_gigabit.patch

(limited to 'target/linux/cns3xxx/patches-3.3/051-cns3xxx_gigabit.patch')

diff --git a/target/linux/cns3xxx/patches-3.3/051-cns3xxx_gigabit.patch b/target/linux/cns3xxx/patches-3.3/051-cns3xxx_gigabit.patch
deleted file mode 100644
index 439403ac0..000000000
--- a/target/linux/cns3xxx/patches-3.3/051-cns3xxx_gigabit.patch
+++ /dev/null
@@ -1,1356 +0,0 @@
---- /dev/null
-+++ b/drivers/net/ethernet/cavium/cns3xxx_eth.c
-@@ -0,0 +1,1298 @@
-+/*
-+ * Cavium CNS3xxx Gigabit driver for Linux
-+ *
-+ * Copyright 2011 Gateworks Corporation
-+ *		  Chris Lang <clang@gateworks.com>
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of version 2 of the GNU General Public License
-+ * as published by the Free Software Foundation.
-+ *
-+ */
-+
-+#include <linux/delay.h>
-+#include <linux/module.h>
-+#include <linux/dma-mapping.h>
-+#include <linux/dmapool.h>
-+#include <linux/etherdevice.h>
-+#include <linux/interrupt.h>
-+#include <linux/io.h>
-+#include <linux/kernel.h>
-+#include <linux/phy.h>
-+#include <linux/platform_device.h>
-+#include <linux/skbuff.h>
-+#include <mach/irqs.h>
-+#include <mach/platform.h>
-+
-+#define DRV_NAME "cns3xxx_eth"
-+
-+#define RX_DESCS 512
-+#define TX_DESCS 512
-+#define SKB_DMA_REALIGN ((PAGE_SIZE - NET_SKB_PAD) % SMP_CACHE_BYTES)
-+
-+#define RX_POOL_ALLOC_SIZE (sizeof(struct rx_desc) * RX_DESCS)
-+#define TX_POOL_ALLOC_SIZE (sizeof(struct tx_desc) * TX_DESCS)
-+#define REGS_SIZE 336
-+#define MAX_MRU (1536 + SKB_DMA_REALIGN)
-+#define CNS3XXX_MAX_MTU (1536)
-+
-+#define NAPI_WEIGHT 64
-+
-+/* MDIO Defines */
-+#define MDIO_CMD_COMPLETE 0x00008000
-+#define MDIO_WRITE_COMMAND 0x00002000
-+#define MDIO_READ_COMMAND 0x00004000
-+#define MDIO_REG_OFFSET 8
-+#define MDIO_VALUE_OFFSET 16
-+
-+/* Descritor Defines */
-+#define END_OF_RING 0x40000000
-+#define FIRST_SEGMENT 0x20000000
-+#define LAST_SEGMENT 0x10000000
-+#define FORCE_ROUTE 0x04000000
-+#define IP_CHECKSUM 0x00040000
-+#define UDP_CHECKSUM 0x00020000
-+#define TCP_CHECKSUM 0x00010000
-+
-+/* Port Config Defines */
-+#define PORT_BP_ENABLE 0x00020000
-+#define PORT_DISABLE 0x00040000
-+#define PORT_LEARN_DIS 0x00080000
-+#define PORT_BLOCK_STATE 0x00100000
-+#define PORT_BLOCK_MODE 0x00200000
-+
-+#define PROMISC_OFFSET 29
-+
-+/* Global Config Defines */
-+#define UNKNOWN_VLAN_TO_CPU 0x02000000
-+#define ACCEPT_CRC_PACKET 0x00200000
-+#define CRC_STRIPPING 0x00100000
-+
-+/* VLAN Config Defines */
-+#define NIC_MODE 0x00008000
-+#define VLAN_UNAWARE 0x00000001
-+
-+/* DMA AUTO Poll Defines */
-+#define TS_POLL_EN 0x00000020
-+#define TS_SUSPEND 0x00000010
-+#define FS_POLL_EN 0x00000002
-+#define FS_SUSPEND 0x00000001
-+
-+/* DMA Ring Control Defines */
-+#define QUEUE_THRESHOLD 0x000000f0
-+#define CLR_FS_STATE 0x80000000
-+
-+/* Interrupt Status Defines */
-+#define MAC0_STATUS_CHANGE 0x00004000
-+#define MAC1_STATUS_CHANGE 0x00008000
-+#define MAC2_STATUS_CHANGE 0x00010000
-+#define MAC0_RX_ERROR 0x00100000
-+#define MAC1_RX_ERROR 0x00200000
-+#define MAC2_RX_ERROR 0x00400000
-+
-+struct tx_desc
-+{
-+	u32 sdp; /* segment data pointer */
-+
-+	union {
-+		struct {
-+			u32 sdl:16; /* segment data length */
-+			u32 tco:1;
-+			u32 uco:1;
-+			u32 ico:1;
-+			u32 rsv_1:3; /* reserve */
-+			u32 pri:3;
-+			u32 fp:1; /* force priority */
-+			u32 fr:1;
-+			u32 interrupt:1;
-+			u32 lsd:1;
-+			u32 fsd:1;
-+			u32 eor:1;
-+			u32 cown:1;
-+		};
-+		u32 config0;
-+	};
-+
-+	union {
-+		struct {
-+			u32 ctv:1;
-+			u32 stv:1;
-+			u32 sid:4;
-+			u32 inss:1;
-+			u32 dels:1;
-+			u32 rsv_2:9;
-+			u32 pmap:5;
-+			u32 mark:3;
-+			u32 ewan:1;
-+			u32 fewan:1;
-+			u32 rsv_3:5;
-+		};
-+		u32 config1;
-+	};
-+
-+	union {
-+		struct {
-+			u32 c_vid:12;
-+			u32 c_cfs:1;
-+			u32 c_pri:3;
-+			u32 s_vid:12;
-+			u32 s_dei:1;
-+			u32 s_pri:3;
-+		};
-+		u32 config2;
-+	};
-+
-+	u8 alignment[16]; /* for 32 byte */
-+};
-+
-+struct rx_desc
-+{
-+	u32 sdp; /* segment data pointer */
-+
-+	union {
-+		struct {
-+			u32 sdl:16; /* segment data length */
-+			u32 l4f:1;
-+			u32 ipf:1;
-+			u32 prot:4;
-+			u32 hr:6;
-+			u32 lsd:1;
-+			u32 fsd:1;
-+			u32 eor:1;
-+			u32 cown:1;
-+		};
-+		u32 config0;
-+	};
-+
-+	union {
-+		struct {
-+			u32 ctv:1;
-+			u32 stv:1;
-+			u32 unv:1;
-+			u32 iwan:1;
-+			u32 exdv:1;
-+			u32 e_wan:1;
-+			u32 rsv_1:2;
-+			u32 sp:3;
-+			u32 crc_err:1;
-+			u32 un_eth:1;
-+			u32 tc:2;
-+			u32 rsv_2:1;
-+			u32 ip_offset:5;
-+			u32 rsv_3:11;
-+		};
-+		u32 config1;
-+	};
-+
-+	union {
-+		struct {
-+			u32 c_vid:12;
-+			u32 c_cfs:1;
-+			u32 c_pri:3;
-+			u32 s_vid:12;
-+			u32 s_dei:1;
-+			u32 s_pri:3;
-+		};
-+		u32 config2;
-+	};
-+
-+	u8 alignment[16]; /* for 32 byte alignment */
-+};
-+
-+
-+struct switch_regs {
-+	u32 phy_control;
-+	u32 phy_auto_addr;
-+	u32 mac_glob_cfg;
-+	u32 mac_cfg[4];
-+	u32 mac_pri_ctrl[5], __res;
-+	u32 etype[2];
-+	u32 udp_range[4];
-+	u32 prio_etype_udp;
-+	u32 prio_ipdscp[8];
-+	u32 tc_ctrl;
-+	u32 rate_ctrl;
-+	u32 fc_glob_thrs;
-+	u32 fc_port_thrs;
-+	u32 mc_fc_glob_thrs;
-+	u32 dc_glob_thrs;
-+	u32 arl_vlan_cmd;
-+	u32 arl_ctrl[3];
-+	u32 vlan_cfg;
-+	u32 pvid[2];
-+	u32 vlan_ctrl[3];
-+	u32 session_id[8];
-+	u32 intr_stat;
-+	u32 intr_mask;
-+	u32 sram_test;
-+	u32 mem_queue;
-+	u32 farl_ctrl;
-+	u32 fc_input_thrs, __res1[2];
-+	u32 clk_skew_ctrl;
-+	u32 mac_glob_cfg_ext, __res2[2];
-+	u32 dma_ring_ctrl;
-+	u32 dma_auto_poll_cfg;
-+	u32 delay_intr_cfg, __res3;
-+	u32 ts_dma_ctrl0;
-+	u32 ts_desc_ptr0;
-+	u32 ts_desc_base_addr0, __res4;
-+	u32 fs_dma_ctrl0;
-+	u32 fs_desc_ptr0;
-+	u32 fs_desc_base_addr0, __res5;
-+	u32 ts_dma_ctrl1;
-+	u32 ts_desc_ptr1;
-+	u32 ts_desc_base_addr1, __res6;
-+	u32 fs_dma_ctrl1;
-+	u32 fs_desc_ptr1;
-+	u32 fs_desc_base_addr1;
-+	u32 __res7[109];
-+	u32 mac_counter0[13];
-+};
-+
-+struct _tx_ring {
-+	struct tx_desc *desc;
-+	dma_addr_t phys_addr;
-+	struct tx_desc *cur_addr;
-+	struct sk_buff *buff_tab[TX_DESCS];
-+	unsigned int phys_tab[TX_DESCS];
-+	u32 free_index;
-+	u32 count_index;
-+	u32 cur_index;
-+	int num_used;
-+	int num_count;
-+};
-+
-+struct _rx_ring {
-+	struct rx_desc *desc;
-+	dma_addr_t phys_addr;
-+	struct rx_desc *cur_addr;
-+	struct sk_buff *buff_tab[RX_DESCS];
-+	unsigned int phys_tab[RX_DESCS];
-+	u32 cur_index;
-+	u32 alloc_index;
-+	int alloc_count;
-+};
-+
-+struct sw {
-+	struct resource *mem_res;
-+	struct switch_regs __iomem *regs;
-+	struct napi_struct napi;
-+	struct cns3xxx_plat_info *plat;
-+	struct _tx_ring *tx_ring;
-+	struct _rx_ring *rx_ring;
-+};
-+
-+struct port {
-+	struct net_device *netdev;
-+	struct phy_device *phydev;
-+	struct sw *sw;
-+	int id;			/* logical port ID */
-+	int speed, duplex;
-+};
-+
-+static spinlock_t mdio_lock;
-+static DEFINE_SPINLOCK(tx_lock);
-+static struct switch_regs __iomem *mdio_regs; /* mdio command and status only */
-+struct mii_bus *mdio_bus;
-+static int ports_open;
-+static struct port *switch_port_tab[4];
-+static struct dma_pool *rx_dma_pool;
-+static struct dma_pool *tx_dma_pool;
-+struct net_device *napi_dev;
-+
-+static int cns3xxx_mdio_cmd(struct mii_bus *bus, int phy_id, int location,
-+			   int write, u16 cmd)
-+{
-+	int cycles = 0;
-+	u32 temp = 0;
-+
-+	temp = __raw_readl(&mdio_regs->phy_control);
-+	temp |= MDIO_CMD_COMPLETE;
-+	__raw_writel(temp, &mdio_regs->phy_control);
-+	udelay(10);
-+
-+	if (write) {
-+		temp = (cmd << MDIO_VALUE_OFFSET);
-+		temp |= MDIO_WRITE_COMMAND;
-+	} else {
-+		temp = MDIO_READ_COMMAND;
-+	}
-+	temp |= ((location & 0x1f) << MDIO_REG_OFFSET);
-+	temp |= (phy_id & 0x1f);
-+
-+	__raw_writel(temp, &mdio_regs->phy_control);
-+
-+	while (((__raw_readl(&mdio_regs->phy_control) & MDIO_CMD_COMPLETE) == 0)
-+			&& cycles < 5000) {
-+		udelay(1);
-+		cycles++;
-+	}
-+
-+	if (cycles == 5000) {
-+		printk(KERN_ERR "%s #%i: MII transaction failed\n", bus->name,
-+		       phy_id);
-+		return -1;
-+	}
-+
-+	temp = __raw_readl(&mdio_regs->phy_control);
-+	temp |= MDIO_CMD_COMPLETE;
-+	__raw_writel(temp, &mdio_regs->phy_control);
-+
-+	if (write)
-+		return 0;
-+
-+	return ((temp >> MDIO_VALUE_OFFSET) & 0xFFFF);
-+}
-+
-+static int cns3xxx_mdio_read(struct mii_bus *bus, int phy_id, int location)
-+{
-+	unsigned long flags;
-+	int ret;
-+
-+	spin_lock_irqsave(&mdio_lock, flags);
-+	ret = cns3xxx_mdio_cmd(bus, phy_id, location, 0, 0);
-+	spin_unlock_irqrestore(&mdio_lock, flags);
-+	return ret;
-+}
-+
-+static int cns3xxx_mdio_write(struct mii_bus *bus, int phy_id, int location,
-+			     u16 val)
-+{
-+	unsigned long flags;
-+	int ret;
-+
-+	spin_lock_irqsave(&mdio_lock, flags);
-+	ret = cns3xxx_mdio_cmd(bus, phy_id, location, 1, val);
-+	spin_unlock_irqrestore(&mdio_lock, flags);
-+	return ret;
-+}
-+
-+static int cns3xxx_mdio_register(void)
-+{
-+	int err;
-+
-+	if (!(mdio_bus = mdiobus_alloc()))
-+		return -ENOMEM;
-+
-+	mdio_regs = (struct switch_regs __iomem *)CNS3XXX_SWITCH_BASE_VIRT;
-+
-+	spin_lock_init(&mdio_lock);
-+	mdio_bus->name = "CNS3xxx MII Bus";
-+	mdio_bus->read = &cns3xxx_mdio_read;
-+	mdio_bus->write = &cns3xxx_mdio_write;
-+	strcpy(mdio_bus->id, "0");
-+
-+	if ((err = mdiobus_register(mdio_bus)))
-+		mdiobus_free(mdio_bus);
-+	return err;
-+}
-+
-+static void cns3xxx_mdio_remove(void)
-+{
-+	mdiobus_unregister(mdio_bus);
-+	mdiobus_free(mdio_bus);
-+}
-+
-+static void enable_tx_dma(struct sw *sw)
-+{
-+	__raw_writel(0x1, &sw->regs->ts_dma_ctrl0);
-+}
-+
-+static void enable_rx_dma(struct sw *sw)
-+{
-+	__raw_writel(0x1, &sw->regs->fs_dma_ctrl0);
-+}
-+
-+static void cns3xxx_adjust_link(struct net_device *dev)
-+{
-+	struct port *port = netdev_priv(dev);
-+	struct phy_device *phydev = port->phydev;
-+
-+	if (!phydev->link) {
-+		if (port->speed) {
-+			port->speed = 0;
-+			printk(KERN_INFO "%s: link down\n", dev->name);
-+		}
-+		return;
-+	}
-+
-+	if (port->speed == phydev->speed && port->duplex == phydev->duplex)
-+		return;
-+
-+	port->speed = phydev->speed;
-+	port->duplex = phydev->duplex;
-+
-+	printk(KERN_INFO "%s: link up, speed %u Mb/s, %s duplex\n",
-+	       dev->name, port->speed, port->duplex ? "full" : "half");
-+}
-+
-+irqreturn_t eth_rx_irq(int irq, void *pdev)
-+{
-+	struct net_device *dev = pdev;
-+	struct sw *sw = netdev_priv(dev);
-+	if (likely(napi_schedule_prep(&sw->napi))) {
-+		disable_irq_nosync(IRQ_CNS3XXX_SW_R0RXC);
-+		__napi_schedule(&sw->napi);
-+	}
-+	return (IRQ_HANDLED);
-+}
-+
-+irqreturn_t eth_stat_irq(int irq, void *pdev)
-+{
-+	struct net_device *dev = pdev;
-+	struct sw *sw = netdev_priv(dev);
-+	u32 cfg;
-+	u32 stat = __raw_readl(&sw->regs->intr_stat);
-+	__raw_writel(0xffffffff, &sw->regs->intr_stat);
-+
-+	if (stat & MAC2_RX_ERROR)
-+		switch_port_tab[3]->netdev->stats.rx_dropped++;
-+	if (stat & MAC1_RX_ERROR)
-+		switch_port_tab[1]->netdev->stats.rx_dropped++;
-+	if (stat & MAC0_RX_ERROR)
-+		switch_port_tab[0]->netdev->stats.rx_dropped++;
-+
-+	if (stat & MAC0_STATUS_CHANGE) {
-+		cfg = __raw_readl(&sw->regs->mac_cfg[0]);
-+		switch_port_tab[0]->phydev->link = (cfg & 0x1);
-+		switch_port_tab[0]->phydev->duplex = ((cfg >> 4) & 0x1);
-+		if (((cfg >> 2) & 0x3) == 2)
-+			switch_port_tab[0]->phydev->speed = 1000;
-+		else if (((cfg >> 2) & 0x3) == 1)
-+			switch_port_tab[0]->phydev->speed = 100;
-+		else
-+			switch_port_tab[0]->phydev->speed = 10;
-+		cns3xxx_adjust_link(switch_port_tab[0]->netdev);
-+	}
-+
-+	if (stat & MAC1_STATUS_CHANGE) {
-+		cfg = __raw_readl(&sw->regs->mac_cfg[1]);
-+		switch_port_tab[1]->phydev->link = (cfg & 0x1);
-+		switch_port_tab[1]->phydev->duplex = ((cfg >> 4) & 0x1);
-+		if (((cfg >> 2) & 0x3) == 2)
-+			switch_port_tab[1]->phydev->speed = 1000;
-+		else if (((cfg >> 2) & 0x3) == 1)
-+			switch_port_tab[1]->phydev->speed = 100;
-+		else
-+			switch_port_tab[1]->phydev->speed = 10;
-+		cns3xxx_adjust_link(switch_port_tab[1]->netdev);
-+	}
-+
-+	if (stat & MAC2_STATUS_CHANGE) {
-+		cfg = __raw_readl(&sw->regs->mac_cfg[3]);
-+		switch_port_tab[3]->phydev->link = (cfg & 0x1);
-+		switch_port_tab[3]->phydev->duplex = ((cfg >> 4) & 0x1);
-+		if (((cfg >> 2) & 0x3) == 2)
-+			switch_port_tab[3]->phydev->speed = 1000;
-+		else if (((cfg >> 2) & 0x3) == 1)
-+			switch_port_tab[3]->phydev->speed = 100;
-+		else
-+			switch_port_tab[3]->phydev->speed = 10;
-+		cns3xxx_adjust_link(switch_port_tab[3]->netdev);
-+	}
-+
-+	return (IRQ_HANDLED);
-+}
-+
-+
-+static void cns3xxx_alloc_rx_buf(struct sw *sw, int received)
-+{
-+	struct _rx_ring *rx_ring = sw->rx_ring;
-+	unsigned int i = rx_ring->alloc_index;
-+	struct rx_desc *desc = &(rx_ring)->desc[i];
-+	struct sk_buff *skb;
-+	unsigned int phys;
-+
-+	for (received += rx_ring->alloc_count; received > 0; received--) {
-+		if ((skb = dev_alloc_skb(MAX_MRU))) {
-+			if (SKB_DMA_REALIGN)
-+				skb_reserve(skb, SKB_DMA_REALIGN);
-+			skb_reserve(skb, NET_IP_ALIGN);
-+			phys = dma_map_single(NULL, skb->data,
-+				    CNS3XXX_MAX_MTU, DMA_FROM_DEVICE);
-+			if (dma_mapping_error(NULL, phys)) {
-+				dev_kfree_skb(skb);
-+				/* Failed to map, better luck next time */
-+				goto out;;
-+			}
-+			desc->sdp = phys;
-+		} else {
-+			/* Failed to allocate skb, try again next time */
-+			goto out;
-+		}
-+
-+		/* put the new buffer on RX-free queue */
-+		rx_ring->buff_tab[i] = skb;
-+		rx_ring->phys_tab[i] = phys;
-+		if (i == RX_DESCS - 1) {
-+			i = 0;
-+			desc->config0 = END_OF_RING | FIRST_SEGMENT |
-+					LAST_SEGMENT | CNS3XXX_MAX_MTU;
-+			desc = &(rx_ring)->desc[i];
-+		} else {
-+			desc->config0 = FIRST_SEGMENT | LAST_SEGMENT | CNS3XXX_MAX_MTU;
-+			i++;
-+			desc++;
-+		}
-+	}
-+out:
-+	rx_ring->alloc_count = received;
-+	rx_ring->alloc_index = i;
-+}
-+
-+static void clear_tx_desc(struct sw *sw)
-+{
-+	struct _tx_ring *tx_ring = sw->tx_ring;
-+	struct tx_desc *desc;
-+	int i;
-+	int index;
-+	int num_used = tx_ring->num_used;
-+	struct sk_buff *skb;
-+
-+	if (num_used < (TX_DESCS >> 1))
-+		return;
-+
-+	index = tx_ring->free_index;
-+	desc = &(tx_ring)->desc[index];
-+	for (i = 0; i < num_used; i++) {
-+		if (desc->cown) {
-+			skb = tx_ring->buff_tab[index];
-+			tx_ring->buff_tab[index] = 0;
-+			if (skb)
-+				dev_kfree_skb_any(skb);
-+			dma_unmap_single(NULL, tx_ring->phys_tab[index],
-+				desc->sdl, DMA_TO_DEVICE);
-+			if (++index == TX_DESCS) {
-+				index = 0;
-+				desc = &(tx_ring)->desc[index];
-+			} else {
-+				desc++;
-+			}
-+		} else {
-+			break;
-+		}
-+	}
-+	tx_ring->free_index = index;
-+	tx_ring->num_used -= i;
-+}
-+
-+static int eth_poll(struct napi_struct *napi, int budget)
-+{
-+	struct sw *sw = container_of(napi, struct sw, napi);
-+	struct net_device *dev;
-+	struct _rx_ring *rx_ring = sw->rx_ring;
-+	int received = 0;
-+	unsigned int length;
-+	unsigned int i = rx_ring->cur_index;
-+	struct rx_desc *desc = &(rx_ring)->desc[i];
-+
-+	while (desc->cown) {
-+		struct sk_buff *skb;
-+
-+		if (received >= budget)
-+			break;
-+
-+		skb = rx_ring->buff_tab[i];
-+
-+		dev = switch_port_tab[desc->sp]->netdev;
-+
-+		length = desc->sdl;
-+		/* process received frame */
-+		dma_unmap_single(&dev->dev, rx_ring->phys_tab[i],
-+				 length, DMA_FROM_DEVICE);
-+
-+		skb_put(skb, length);
-+
-+		skb->dev = dev;
-+		skb->protocol = eth_type_trans(skb, dev);
-+
-+		dev->stats.rx_packets++;
-+		dev->stats.rx_bytes += length;
-+
-+		/* RX Hardware checksum offload */
-+		switch (desc->prot) {
-+			case 1:
-+			case 2:
-+			case 5:
-+			case 6:
-+			case 13:
-+			case 14:
-+				if (desc->l4f)
-+					skb->ip_summed = CHECKSUM_NONE;
-+				else
-+					skb->ip_summed = CHECKSUM_UNNECESSARY;
-+			break;
-+			default:
-+				skb->ip_summed = CHECKSUM_NONE;
-+			break;
-+		}
-+
-+		napi_gro_receive(napi, skb);
-+
-+		received++;
-+
-+		if (++i == RX_DESCS) {
-+			i = 0;
-+			desc = &(rx_ring)->desc[i];
-+		} else {
-+			desc++;
-+		}
-+	}
-+
-+	cns3xxx_alloc_rx_buf(sw, received);
-+
-+	rx_ring->cur_index = i;
-+
-+	if (received != budget) {
-+		napi_complete(napi);
-+		enable_irq(IRQ_CNS3XXX_SW_R0RXC);
-+	}
-+
-+	enable_rx_dma(sw);
-+
-+	return received;
-+}
-+
-+static int eth_xmit(struct sk_buff *skb, struct net_device *dev)
-+{
-+	struct port *port = netdev_priv(dev);
-+	struct sw *sw = port->sw;
-+	struct _tx_ring *tx_ring = sw->tx_ring;
-+	struct tx_desc *tx_desc;
-+	int index;
-+	int len;
-+	char pmap = (1 << port->id);
-+	unsigned int phys;
-+	int nr_frags = skb_shinfo(skb)->nr_frags;
-+	struct skb_frag_struct *frag;
-+	unsigned int i;
-+
-+	if (pmap == 8)
-+		pmap = (1 << 4);
-+
-+	if (skb->len > CNS3XXX_MAX_MTU) {
-+		dev_kfree_skb(skb);
-+		dev->stats.tx_errors++;
-+		return NETDEV_TX_OK;
-+	}
-+
-+	spin_lock(&tx_lock);
-+
-+	if ((tx_ring->num_used + nr_frags) >= TX_DESCS) {
-+		clear_tx_desc(sw);
-+		if ((tx_ring->num_used + nr_frags) >= TX_DESCS) {
-+			spin_unlock(&tx_lock);
-+			return NETDEV_TX_BUSY;
-+		}
-+	}
-+
-+	index = tx_ring->cur_index;
-+	tx_ring->cur_index = ((tx_ring->cur_index + nr_frags + 1) % TX_DESCS);
-+
-+	spin_unlock(&tx_lock);
-+
-+	if (!nr_frags) {
-+		tx_desc = &(tx_ring)->desc[index];
-+
-+		len = skb->len;
-+
-+		phys = dma_map_single(NULL, skb->data, len,
-+				      	DMA_TO_DEVICE);
-+
-+		tx_desc->sdp = phys;
-+		tx_desc->pmap = pmap;
-+		tx_ring->phys_tab[index] = phys;
-+
-+		tx_ring->buff_tab[index] = skb;
-+		if (index == TX_DESCS - 1) {
-+			tx_desc->config0 = END_OF_RING | FIRST_SEGMENT | LAST_SEGMENT |
-+				   	FORCE_ROUTE | IP_CHECKSUM | UDP_CHECKSUM |
-+				   	TCP_CHECKSUM | len;
-+		} else {
-+			tx_desc->config0 = FIRST_SEGMENT | LAST_SEGMENT |
-+				   	FORCE_ROUTE | IP_CHECKSUM | UDP_CHECKSUM |
-+				   	TCP_CHECKSUM | len;
-+		}
-+	} else {
-+		unsigned int config;
-+
-+		index = ((index + nr_frags) % TX_DESCS);
-+		tx_desc = &(tx_ring)->desc[index];
-+
-+		/* fragments */
-+		for (i = nr_frags; i > 0; i--) {
-+			void *addr;
-+
-+			frag = &skb_shinfo(skb)->frags[i-1];
-+			len = frag->size;
-+
-+			addr = page_address(skb_frag_page(frag)) +
-+			       frag->page_offset;
-+			phys = dma_map_single(NULL, addr, len, DMA_TO_DEVICE);
-+
-+			tx_desc->sdp = phys;
-+
-+			tx_desc->pmap = pmap;
-+			tx_ring->phys_tab[index] = phys;
-+
-+			config = FORCE_ROUTE | IP_CHECKSUM | UDP_CHECKSUM |
-+				TCP_CHECKSUM | len;
-+			if (i == nr_frags) {
-+				config |= LAST_SEGMENT;
-+				tx_ring->buff_tab[index] = skb;
-+			}
-+			if (index == TX_DESCS - 1)
-+				config |= END_OF_RING;
-+			tx_desc->config0 = config;
-+
-+			if (index == 0) {
-+				index = TX_DESCS - 1;
-+				tx_desc = &(tx_ring)->desc[index];
-+			} else {
-+				index--;
-+				tx_desc--;
-+			}
-+		}
-+
-+		/* header */
-+		len = skb->len - skb->data_len;
-+
-+		phys = dma_map_single(NULL, skb->data, len,
-+				      	DMA_TO_DEVICE);
-+
-+		tx_desc->sdp = phys;
-+		tx_desc->pmap = pmap;
-+		tx_ring->phys_tab[index] = phys;
-+
-+		if (index == TX_DESCS - 1) {
-+			tx_desc->config0 = END_OF_RING | FIRST_SEGMENT |
-+				   	FORCE_ROUTE | IP_CHECKSUM | UDP_CHECKSUM |
-+				   	TCP_CHECKSUM | len;
-+		} else {
-+			tx_desc->config0 = FIRST_SEGMENT |
-+				   	FORCE_ROUTE | IP_CHECKSUM | UDP_CHECKSUM |
-+				   	TCP_CHECKSUM | len;
-+		}
-+	}
-+
-+	mb();
-+
-+	spin_lock(&tx_lock);
-+	tx_ring->num_used += nr_frags + 1;
-+	spin_unlock(&tx_lock);
-+
-+	dev->stats.tx_packets++;
-+	dev->stats.tx_bytes += skb->len;
-+
-+	enable_tx_dma(sw);
-+
-+	return NETDEV_TX_OK;
-+}
-+
-+static int eth_ioctl(struct net_device *dev, struct ifreq *req, int cmd)
-+{
-+	struct port *port = netdev_priv(dev);
-+
-+	if (!netif_running(dev))
-+		return -EINVAL;
-+	return phy_mii_ioctl(port->phydev, req, cmd);
-+}
-+
-+/* ethtool support */
-+
-+static void cns3xxx_get_drvinfo(struct net_device *dev,
-+			       struct ethtool_drvinfo *info)
-+{
-+	strcpy(info->driver, DRV_NAME);
-+	strcpy(info->bus_info, "internal");
-+}
-+
-+static int cns3xxx_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-+{
-+	struct port *port = netdev_priv(dev);
-+	return phy_ethtool_gset(port->phydev, cmd);
-+}
-+
-+static int cns3xxx_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-+{
-+	struct port *port = netdev_priv(dev);
-+	return phy_ethtool_sset(port->phydev, cmd);
-+}
-+
-+static int cns3xxx_nway_reset(struct net_device *dev)
-+{
-+	struct port *port = netdev_priv(dev);
-+	return phy_start_aneg(port->phydev);
-+}
-+
-+static struct ethtool_ops cns3xxx_ethtool_ops = {
-+	.get_drvinfo = cns3xxx_get_drvinfo,
-+	.get_settings = cns3xxx_get_settings,
-+	.set_settings = cns3xxx_set_settings,
-+	.nway_reset = cns3xxx_nway_reset,
-+	.get_link = ethtool_op_get_link,
-+};
-+
-+
-+static int init_rings(struct sw *sw)
-+{
-+	int i;
-+	struct _rx_ring *rx_ring = sw->rx_ring;
-+	struct _tx_ring *tx_ring = sw->tx_ring;
-+
-+	__raw_writel(0, &sw->regs->fs_dma_ctrl0);
-+	__raw_writel(TS_SUSPEND | FS_SUSPEND, &sw->regs->dma_auto_poll_cfg);
-+	__raw_writel(QUEUE_THRESHOLD, &sw->regs->dma_ring_ctrl);
-+	__raw_writel(CLR_FS_STATE | QUEUE_THRESHOLD, &sw->regs->dma_ring_ctrl);
-+
-+	__raw_writel(QUEUE_THRESHOLD, &sw->regs->dma_ring_ctrl);
-+
-+	if (!(rx_dma_pool = dma_pool_create(DRV_NAME, NULL,
-+					    RX_POOL_ALLOC_SIZE, 32, 0)))
-+		return -ENOMEM;
-+
-+	if (!(rx_ring->desc = dma_pool_alloc(rx_dma_pool, GFP_KERNEL,
-+					      &rx_ring->phys_addr)))
-+		return -ENOMEM;
-+	memset(rx_ring->desc, 0, RX_POOL_ALLOC_SIZE);
-+
-+	/* Setup RX buffers */
-+	for (i = 0; i < RX_DESCS; i++) {
-+		struct rx_desc *desc = &(rx_ring)->desc[i];
-+		struct sk_buff *skb;
-+		if (!(skb = dev_alloc_skb(MAX_MRU)))
-+			return -ENOMEM;
-+		if (SKB_DMA_REALIGN)
-+			skb_reserve(skb, SKB_DMA_REALIGN);
-+		skb_reserve(skb, NET_IP_ALIGN);
-+		desc->sdl = CNS3XXX_MAX_MTU;
-+		if (i == (RX_DESCS - 1))
-+			desc->eor = 1;
-+		desc->fsd = 1;
-+		desc->lsd = 1;
-+
-+		desc->sdp = dma_map_single(NULL, skb->data,
-+					    CNS3XXX_MAX_MTU, DMA_FROM_DEVICE);
-+		if (dma_mapping_error(NULL, desc->sdp)) {
-+			return -EIO;
-+		}
-+		rx_ring->buff_tab[i] = skb;
-+		rx_ring->phys_tab[i] = desc->sdp;
-+		desc->cown = 0;
-+	}
-+	__raw_writel(rx_ring->phys_addr, &sw->regs->fs_desc_ptr0);
-+	__raw_writel(rx_ring->phys_addr, &sw->regs->fs_desc_base_addr0);
-+
-+	if (!(tx_dma_pool = dma_pool_create(DRV_NAME, NULL,
-+					    TX_POOL_ALLOC_SIZE, 32, 0)))
-+		return -ENOMEM;
-+
-+	if (!(tx_ring->desc = dma_pool_alloc(tx_dma_pool, GFP_KERNEL,
-+					      &tx_ring->phys_addr)))
-+		return -ENOMEM;
-+	memset(tx_ring->desc, 0, TX_POOL_ALLOC_SIZE);
-+
-+	/* Setup TX buffers */
-+	for (i = 0; i < TX_DESCS; i++) {
-+		struct tx_desc *desc = &(tx_ring)->desc[i];
-+		tx_ring->buff_tab[i] = 0;
-+
-+		if (i == (TX_DESCS - 1))
-+			desc->eor = 1;
-+		desc->cown = 1;
-+	}
-+	__raw_writel(tx_ring->phys_addr, &sw->regs->ts_desc_ptr0);
-+	__raw_writel(tx_ring->phys_addr, &sw->regs->ts_desc_base_addr0);
-+
-+	return 0;
-+}
-+
-+static void destroy_rings(struct sw *sw)
-+{
-+	int i;
-+	if (sw->rx_ring->desc) {
-+		for (i = 0; i < RX_DESCS; i++) {
-+			struct _rx_ring *rx_ring = sw->rx_ring;
-+			struct rx_desc *desc = &(rx_ring)->desc[i];
-+			struct sk_buff *skb = sw->rx_ring->buff_tab[i];
-+			if (skb) {
-+				dma_unmap_single(NULL,
-+						 desc->sdp,
-+						 CNS3XXX_MAX_MTU, DMA_FROM_DEVICE);
-+				dev_kfree_skb(skb);
-+			}
-+		}
-+		dma_pool_free(rx_dma_pool, sw->rx_ring->desc, sw->rx_ring->phys_addr);
-+		dma_pool_destroy(rx_dma_pool);
-+		rx_dma_pool = 0;
-+		sw->rx_ring->desc = 0;
-+	}
-+	if (sw->tx_ring->desc) {
-+		for (i = 0; i < TX_DESCS; i++) {
-+			struct _tx_ring *tx_ring = sw->tx_ring;
-+			struct tx_desc *desc = &(tx_ring)->desc[i];
-+			struct sk_buff *skb = sw->tx_ring->buff_tab[i];
-+			if (skb) {
-+				dma_unmap_single(NULL, desc->sdp,
-+					skb->len, DMA_TO_DEVICE);
-+				dev_kfree_skb(skb);
-+			}
-+		}
-+		dma_pool_free(tx_dma_pool, sw->tx_ring->desc, sw->tx_ring->phys_addr);
-+		dma_pool_destroy(tx_dma_pool);
-+		tx_dma_pool = 0;
-+		sw->tx_ring->desc = 0;
-+	}
-+}
-+
-+static int eth_open(struct net_device *dev)
-+{
-+	struct port *port = netdev_priv(dev);
-+	struct sw *sw = port->sw;
-+	u32 temp;
-+
-+	port->speed = 0;	/* force "link up" message */
-+	phy_start(port->phydev);
-+
-+	netif_start_queue(dev);
-+
-+	if (!ports_open) {
-+		request_irq(IRQ_CNS3XXX_SW_R0RXC, eth_rx_irq, IRQF_SHARED, "gig_switch", napi_dev);
-+		request_irq(IRQ_CNS3XXX_SW_STATUS, eth_stat_irq, IRQF_SHARED, "gig_stat", napi_dev);
-+		napi_enable(&sw->napi);
-+		netif_start_queue(napi_dev);
-+
-+ 		__raw_writel(~(MAC0_STATUS_CHANGE | MAC1_STATUS_CHANGE | MAC2_STATUS_CHANGE |
-+ 			       MAC0_RX_ERROR | MAC1_RX_ERROR | MAC2_RX_ERROR), &sw->regs->intr_mask);
-+
-+		temp = __raw_readl(&sw->regs->mac_cfg[2]);
-+		temp &= ~(PORT_DISABLE);
-+		__raw_writel(temp, &sw->regs->mac_cfg[2]);
-+
-+		temp = __raw_readl(&sw->regs->dma_auto_poll_cfg);
-+		temp &= ~(TS_SUSPEND | FS_SUSPEND);
-+		__raw_writel(temp, &sw->regs->dma_auto_poll_cfg);
-+
-+		enable_rx_dma(sw);
-+	}
-+	temp = __raw_readl(&sw->regs->mac_cfg[port->id]);
-+	temp &= ~(PORT_DISABLE);
-+	__raw_writel(temp, &sw->regs->mac_cfg[port->id]);
-+
-+	ports_open++;
-+	netif_carrier_on(dev);
-+
-+	return 0;
-+}
-+
-+static int eth_close(struct net_device *dev)
-+{
-+	struct port *port = netdev_priv(dev);
-+	struct sw *sw = port->sw;
-+	u32 temp;
-+
-+	ports_open--;
-+
-+	temp = __raw_readl(&sw->regs->mac_cfg[port->id]);
-+	temp |= (PORT_DISABLE);
-+	__raw_writel(temp, &sw->regs->mac_cfg[port->id]);
-+
-+	netif_stop_queue(dev);
-+
-+	phy_stop(port->phydev);
-+
-+	if (!ports_open) {
-+		disable_irq(IRQ_CNS3XXX_SW_R0RXC);
-+		free_irq(IRQ_CNS3XXX_SW_R0RXC, napi_dev);
-+		disable_irq(IRQ_CNS3XXX_SW_STATUS);
-+		free_irq(IRQ_CNS3XXX_SW_STATUS, napi_dev);
-+		napi_disable(&sw->napi);
-+		netif_stop_queue(napi_dev);
-+		temp = __raw_readl(&sw->regs->mac_cfg[2]);
-+		temp |= (PORT_DISABLE);
-+		__raw_writel(temp, &sw->regs->mac_cfg[2]);
-+
-+		__raw_writel(TS_SUSPEND | FS_SUSPEND,
-+			     &sw->regs->dma_auto_poll_cfg);
-+	}
-+
-+	netif_carrier_off(dev);
-+	return 0;
-+}
-+
-+static void eth_rx_mode(struct net_device *dev)
-+{
-+	struct port *port = netdev_priv(dev);
-+	struct sw *sw = port->sw;
-+	u32 temp;
-+
-+	temp = __raw_readl(&sw->regs->mac_glob_cfg);
-+
-+	if (dev->flags & IFF_PROMISC) {
-+		if (port->id == 3)
-+			temp |= ((1 << 2) << PROMISC_OFFSET);
-+		else
-+			temp |= ((1 << port->id) << PROMISC_OFFSET);
-+	} else {
-+		if (port->id == 3)
-+			temp &= ~((1 << 2) << PROMISC_OFFSET);
-+		else
-+			temp &= ~((1 << port->id) << PROMISC_OFFSET);
-+	}
-+	__raw_writel(temp, &sw->regs->mac_glob_cfg);
-+}
-+
-+static int eth_set_mac(struct net_device *netdev, void *p)
-+{
-+	struct port *port = netdev_priv(netdev);
-+	struct sw *sw = port->sw;
-+	struct sockaddr *addr = p;
-+	u32 cycles = 0;
-+
-+	if (!is_valid_ether_addr(addr->sa_data))
-+		return -EADDRNOTAVAIL;
-+
-+	/* Invalidate old ARL Entry */
-+	if (port->id == 3)
-+		__raw_writel((port->id << 16) | (0x4 << 9), &sw->regs->arl_ctrl[0]);
-+	else
-+		__raw_writel(((port->id + 1) << 16) | (0x4 << 9), &sw->regs->arl_ctrl[0]);
-+	__raw_writel( ((netdev->dev_addr[0] << 24) | (netdev->dev_addr[1] << 16) |
-+			(netdev->dev_addr[2] << 8) | (netdev->dev_addr[3])),
-+			&sw->regs->arl_ctrl[1]);
-+
-+	__raw_writel( ((netdev->dev_addr[4] << 24) | (netdev->dev_addr[5] << 16) |
-+			(1 << 1)),
-+			&sw->regs->arl_ctrl[2]);
-+	__raw_writel((1 << 19), &sw->regs->arl_vlan_cmd);
-+
-+	while (((__raw_readl(&sw->regs->arl_vlan_cmd) & (1 << 21)) == 0)
-+			&& cycles < 5000) {
-+		udelay(1);
-+		cycles++;
-+	}
-+
-+	cycles = 0;
-+	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
-+
-+	if (port->id == 3)
-+		__raw_writel((port->id << 16) | (0x4 << 9), &sw->regs->arl_ctrl[0]);
-+	else
-+		__raw_writel(((port->id + 1) << 16) | (0x4 << 9), &sw->regs->arl_ctrl[0]);
-+	__raw_writel( ((addr->sa_data[0] << 24) | (addr->sa_data[1] << 16) |
-+			(addr->sa_data[2] << 8) | (addr->sa_data[3])),
-+			&sw->regs->arl_ctrl[1]);
-+
-+	__raw_writel( ((addr->sa_data[4] << 24) | (addr->sa_data[5] << 16) |
-+			(7 << 4) | (1 << 1)), &sw->regs->arl_ctrl[2]);
-+	__raw_writel((1 << 19), &sw->regs->arl_vlan_cmd);
-+
-+	while (((__raw_readl(&sw->regs->arl_vlan_cmd) & (1 << 21)) == 0)
-+		&& cycles < 5000) {
-+		udelay(1);
-+		cycles++;
-+	}
-+	return 0;
-+}
-+
-+static const struct net_device_ops cns3xxx_netdev_ops = {
-+	.ndo_open = eth_open,
-+	.ndo_stop = eth_close,
-+	.ndo_start_xmit = eth_xmit,
-+	.ndo_set_rx_mode = eth_rx_mode,
-+	.ndo_do_ioctl = eth_ioctl,
-+	.ndo_change_mtu = eth_change_mtu,
-+	.ndo_set_mac_address = eth_set_mac,
-+	.ndo_validate_addr = eth_validate_addr,
-+};
-+
-+static int __devinit eth_init_one(struct platform_device *pdev)
-+{
-+	int i;
-+	struct port *port;
-+	struct sw *sw;
-+	struct net_device *dev;
-+	struct cns3xxx_plat_info *plat = pdev->dev.platform_data;
-+	u32 regs_phys;
-+	char phy_id[MII_BUS_ID_SIZE + 3];
-+	int err;
-+	u32 temp;
-+
-+	if (!(napi_dev = alloc_etherdev(sizeof(struct sw))))
-+		return -ENOMEM;
-+	strcpy(napi_dev->name, "switch%d");
-+	napi_dev->features = NETIF_F_IP_CSUM | NETIF_F_SG;
-+
-+	SET_NETDEV_DEV(napi_dev, &pdev->dev);
-+	sw = netdev_priv(napi_dev);
-+	memset(sw, 0, sizeof(struct sw));
-+	sw->regs = (struct switch_regs __iomem *)CNS3XXX_SWITCH_BASE_VIRT;
-+	regs_phys = CNS3XXX_SWITCH_BASE;
-+	sw->mem_res = request_mem_region(regs_phys, REGS_SIZE, napi_dev->name);
-+	if (!sw->mem_res) {
-+		err = -EBUSY;
-+		goto err_free;
-+	}
-+
-+	for (i = 0; i < 4; i++) {
-+		temp = __raw_readl(&sw->regs->mac_cfg[i]);
-+		temp |= (PORT_DISABLE);
-+		__raw_writel(temp, &sw->regs->mac_cfg[i]);
-+	}
-+
-+	temp = PORT_DISABLE;
-+	__raw_writel(temp, &sw->regs->mac_cfg[2]);
-+
-+	temp = __raw_readl(&sw->regs->vlan_cfg);
-+	temp |= NIC_MODE | VLAN_UNAWARE;
-+	__raw_writel(temp, &sw->regs->vlan_cfg);
-+
-+	__raw_writel(UNKNOWN_VLAN_TO_CPU |
-+		     CRC_STRIPPING, &sw->regs->mac_glob_cfg);
-+
-+	if (!(sw->rx_ring = kmalloc(sizeof(struct _rx_ring), GFP_KERNEL))) {
-+		err = -ENOMEM;
-+		goto err_free;
-+	}
-+	memset(sw->rx_ring, 0, sizeof(struct _rx_ring));
-+
-+	if (!(sw->tx_ring = kmalloc(sizeof(struct _tx_ring), GFP_KERNEL))) {
-+		err = -ENOMEM;
-+		goto err_free_rx;
-+	}
-+	memset(sw->tx_ring, 0, sizeof(struct _tx_ring));
-+
-+	if ((err = init_rings(sw)) != 0) {
-+		destroy_rings(sw);
-+		err = -ENOMEM;
-+		goto err_free_rings;
-+	}
-+	platform_set_drvdata(pdev, napi_dev);
-+
-+	netif_napi_add(napi_dev, &sw->napi, eth_poll, NAPI_WEIGHT);
-+
-+	for (i = 0; i < 3; i++) {
-+		if (!(plat->ports & (1 << i))) {
-+			continue;
-+		}
-+
-+		if (!(dev = alloc_etherdev(sizeof(struct port)))) {
-+			goto free_ports;
-+		}
-+
-+		port = netdev_priv(dev);
-+		port->netdev = dev;
-+		if (i == 2)
-+			port->id = 3;
-+		else
-+			port->id = i;
-+		port->sw = sw;
-+
-+		temp = __raw_readl(&sw->regs->mac_cfg[port->id]);
-+		temp |= (PORT_DISABLE | PORT_BLOCK_STATE | PORT_LEARN_DIS);
-+		__raw_writel(temp, &sw->regs->mac_cfg[port->id]);
-+
-+		dev->netdev_ops = &cns3xxx_netdev_ops;
-+		dev->ethtool_ops = &cns3xxx_ethtool_ops;
-+		dev->tx_queue_len = 1000;
-+		dev->features = NETIF_F_IP_CSUM | NETIF_F_SG;
-+
-+		switch_port_tab[port->id] = port;
-+		memcpy(dev->dev_addr, &plat->hwaddr[i], ETH_ALEN);
-+
-+		snprintf(phy_id, MII_BUS_ID_SIZE + 3, PHY_ID_FMT, "0", plat->phy[i]);
-+		port->phydev = phy_connect(dev, phy_id, &cns3xxx_adjust_link, 0,
-+			PHY_INTERFACE_MODE_RGMII);
-+		if ((err = IS_ERR(port->phydev))) {
-+			switch_port_tab[port->id] = 0;
-+			free_netdev(dev);
-+			goto free_ports;
-+		}
-+
-+		port->phydev->irq = PHY_IGNORE_INTERRUPT;
-+
-+		if ((err = register_netdev(dev))) {
-+			phy_disconnect(port->phydev);
-+			switch_port_tab[port->id] = 0;
-+			free_netdev(dev);
-+			goto free_ports;
-+		}
-+
-+		printk(KERN_INFO "%s: RGMII PHY %i on cns3xxx Switch\n", dev->name, plat->phy[i]);
-+		netif_carrier_off(dev);
-+		dev = 0;
-+	}
-+
-+	return 0;
-+
-+free_ports:
-+	err = -ENOMEM;
-+	for (--i; i >= 0; i--) {
-+		if (switch_port_tab[i]) {
-+			port = switch_port_tab[i];
-+			dev = port->netdev;
-+			unregister_netdev(dev);
-+			phy_disconnect(port->phydev);
-+			switch_port_tab[i] = 0;
-+			free_netdev(dev);
-+		}
-+	}
-+err_free_rings:
-+	kfree(sw->tx_ring);
-+err_free_rx:
-+	kfree(sw->rx_ring);
-+err_free:
-+	free_netdev(napi_dev);
-+	return err;
-+}
-+
-+static int __devexit eth_remove_one(struct platform_device *pdev)
-+{
-+	struct net_device *dev = platform_get_drvdata(pdev);
-+	struct sw *sw = netdev_priv(dev);
-+	int i;
-+	destroy_rings(sw);
-+
-+	for (i = 3; i >= 0; i--) {
-+		if (switch_port_tab[i]) {
-+			struct port *port = switch_port_tab[i];
-+			struct net_device *dev = port->netdev;
-+			unregister_netdev(dev);
-+			phy_disconnect(port->phydev);
-+			switch_port_tab[i] = 0;
-+			free_netdev(dev);
-+		}
-+	}
-+
-+	release_resource(sw->mem_res);
-+	free_netdev(napi_dev);
-+	return 0;
-+}
-+
-+static struct platform_driver cns3xxx_eth_driver = {
-+	.driver.name	= DRV_NAME,
-+	.probe		= eth_init_one,
-+	.remove		= eth_remove_one,
-+};
-+
-+static int __init eth_init_module(void)
-+{
-+	int err;
-+	if ((err = cns3xxx_mdio_register()))
-+		return err;
-+	return platform_driver_register(&cns3xxx_eth_driver);
-+}
-+
-+static void __exit eth_cleanup_module(void)
-+{
-+	platform_driver_unregister(&cns3xxx_eth_driver);
-+	cns3xxx_mdio_remove();
-+}
-+
-+module_init(eth_init_module);
-+module_exit(eth_cleanup_module);
-+
-+MODULE_AUTHOR("Chris Lang");
-+MODULE_DESCRIPTION("Cavium CNS3xxx Ethernet driver");
-+MODULE_LICENSE("GPL v2");
-+MODULE_ALIAS("platform:cns3xxx_eth");
---- a/drivers/net/ethernet/Kconfig
-+++ b/drivers/net/ethernet/Kconfig
-@@ -32,6 +32,7 @@ source "drivers/net/ethernet/calxeda/Kco
- source "drivers/net/ethernet/chelsio/Kconfig"
- source "drivers/net/ethernet/cirrus/Kconfig"
- source "drivers/net/ethernet/cisco/Kconfig"
-+source "drivers/net/ethernet/cavium/Kconfig"
- source "drivers/net/ethernet/davicom/Kconfig"
- 
- config DNET
---- a/drivers/net/ethernet/Makefile
-+++ b/drivers/net/ethernet/Makefile
-@@ -15,6 +15,7 @@ obj-$(CONFIG_NET_BFIN) += adi/
- obj-$(CONFIG_NET_VENDOR_BROADCOM) += broadcom/
- obj-$(CONFIG_NET_VENDOR_BROCADE) += brocade/
- obj-$(CONFIG_NET_CALXEDA_XGMAC) += calxeda/
-+obj-$(CONFIG_NET_VENDOR_CAVIUM) += cavium/
- obj-$(CONFIG_NET_VENDOR_CHELSIO) += chelsio/
- obj-$(CONFIG_NET_VENDOR_CIRRUS) += cirrus/
- obj-$(CONFIG_NET_VENDOR_CISCO) += cisco/
---- /dev/null
-+++ b/drivers/net/ethernet/cavium/Kconfig
-@@ -0,0 +1,24 @@
-+config NET_VENDOR_CAVIUM
-+	bool "Cavium devices"
-+	default y
-+	depends on ARCH_CNS3XXX
-+	---help---
-+	  If you have a network (Ethernet) chipset belonging to this class,
-+	  say Y.
-+
-+	  Note that the answer to this question does not directly affect
-+	  the kernel: saying N will just case the configurator to skip all
-+	  the questions regarding AMD chipsets. If you say Y, you will be asked
-+	  for your specific chipset/driver in the following questions.
-+
-+if NET_VENDOR_CAVIUM
-+
-+config CNS3XXX_ETH
-+	tristate "Cavium CNS3xxx Ethernet support"
-+	depends on ARCH_CNS3XXX
-+	select PHYLIB
-+	help
-+	  Say Y here if you want to use built-in Ethernet ports
-+	  on CNS3XXX processor.
-+
-+endif
---- /dev/null
-+++ b/drivers/net/ethernet/cavium/Makefile
-@@ -0,0 +1,5 @@
-+#
-+# Makefile for the Cavium ethernet device drivers.
-+#
-+
-+obj-$(CONFIG_CNS3XXX_ETH) += cns3xxx_eth.o
-- 
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