/spare/repo/netdev-2.6 branch 'uli-tulip'

7 files changed, 1775 insertions, 66 deletions

diff --git a/drivers/net/tulip/Kconfig b/drivers/net/tulip/Kconfig
index e2cdaf87620..8c9634a98c1 100644
--- a/drivers/net/tulip/Kconfig
+++ b/drivers/net/tulip/Kconfig
@@ -135,6 +135,18 @@ config DM9102
 	  <file:Documentation/networking/net-modules.txt>.  The module will
 	  be called dmfe.
 
+config ULI526X
+	tristate "ULi M526x controller support"
+	depends on NET_TULIP && PCI
+	select CRC32
+	---help---
+	  This driver is for ULi M5261/M5263 10/100M Ethernet Controller
+	  (<http://www.uli.com.tw/>).
+
+	  To compile this driver as a module, choose M here and read
+	  <file:Documentation/networking/net-modules.txt>.  The module will
+	  be called uli526x.
+	  
 config PCMCIA_XIRCOM
 	tristate "Xircom CardBus support (new driver)"
 	depends on NET_TULIP && CARDBUS
diff --git a/drivers/net/tulip/Makefile b/drivers/net/tulip/Makefile
index 8bb9b468397..451090d6fcc 100644
--- a/drivers/net/tulip/Makefile
+++ b/drivers/net/tulip/Makefile
@@ -9,6 +9,7 @@ obj-$(CONFIG_WINBOND_840)	+= winbond-840.o
 obj-$(CONFIG_DE2104X)		+= de2104x.o
 obj-$(CONFIG_TULIP)		+= tulip.o
 obj-$(CONFIG_DE4X5)		+= de4x5.o
+obj-$(CONFIG_ULI526X)		+= uli526x.o
 
 # Declare multi-part drivers.
 
diff --git a/drivers/net/tulip/media.c b/drivers/net/tulip/media.c
index e26c31f944b..f53396fe79c 100644
--- a/drivers/net/tulip/media.c
+++ b/drivers/net/tulip/media.c
@@ -81,25 +81,6 @@ int tulip_mdio_read(struct net_device *dev, int phy_id, int location)
 		return retval & 0xffff;
 	}
 
-	if(tp->chip_id == ULI526X && tp->revision >= 0x40) {
-		int value;
-		int i = 1000;
-		
-		value = ioread32(ioaddr + CSR9);
-		iowrite32(value & 0xFFEFFFFF, ioaddr + CSR9);
-		
-		value = (phy_id << 21) | (location << 16) | 0x08000000;
-		iowrite32(value, ioaddr + CSR10);
-		
-		while(--i > 0) {
-			mdio_delay();
-			if(ioread32(ioaddr + CSR10) & 0x10000000)
-				break;
-		}
-		retval = ioread32(ioaddr + CSR10);
-		spin_unlock_irqrestore(&tp->mii_lock, flags);
-		return retval & 0xFFFF;
-	}
 	/* Establish sync by sending at least 32 logic ones. */
 	for (i = 32; i >= 0; i--) {
 		iowrite32(MDIO_ENB | MDIO_DATA_WRITE1, mdio_addr);
@@ -159,23 +140,6 @@ void tulip_mdio_write(struct net_device *dev, int phy_id, int location, int val)
 		spin_unlock_irqrestore(&tp->mii_lock, flags);
 		return;
 	}
-	if (tp->chip_id == ULI526X && tp->revision >= 0x40) {
-		int value;
-		int i = 1000;
-		
-		value = ioread32(ioaddr + CSR9);
-		iowrite32(value & 0xFFEFFFFF, ioaddr + CSR9);
-		
-		value = (phy_id << 21) | (location << 16) | 0x04000000 | (val & 0xFFFF);
-		iowrite32(value, ioaddr + CSR10);
-		
-		while(--i > 0) {
-			if (ioread32(ioaddr + CSR10) & 0x10000000)
-				break;
-		}
-		spin_unlock_irqrestore(&tp->mii_lock, flags);
-		return;
-	}
 		
 	/* Establish sync by sending 32 logic ones. */
 	for (i = 32; i >= 0; i--) {
diff --git a/drivers/net/tulip/timer.c b/drivers/net/tulip/timer.c
index 69156828355..e058a9fbfe8 100644
--- a/drivers/net/tulip/timer.c
+++ b/drivers/net/tulip/timer.c
@@ -39,7 +39,6 @@ void tulip_timer(unsigned long data)
 	case MX98713:
 	case COMPEX9881:
 	case DM910X:
-	case ULI526X:
 	default: {
 		struct medialeaf *mleaf;
 		unsigned char *p;
diff --git a/drivers/net/tulip/tulip.h b/drivers/net/tulip/tulip.h
index 20346d847d9..05d2d96f7be 100644
--- a/drivers/net/tulip/tulip.h
+++ b/drivers/net/tulip/tulip.h
@@ -88,7 +88,6 @@ enum chips {
 	I21145,
 	DM910X,
 	CONEXANT,
-	ULI526X
 };
 
 
@@ -482,11 +481,8 @@ static inline void tulip_stop_rxtx(struct tulip_private *tp)
 
 static inline void tulip_restart_rxtx(struct tulip_private *tp)
 {
-	if(!(tp->chip_id == ULI526X && 
-		(tp->revision == 0x40 || tp->revision == 0x50))) {
-		tulip_stop_rxtx(tp);
-		udelay(5);
-	}
+	tulip_stop_rxtx(tp);
+	udelay(5);
 	tulip_start_rxtx(tp);
 }
 
diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c
index d45d8f56e5b..05da5bea564 100644
--- a/drivers/net/tulip/tulip_core.c
+++ b/drivers/net/tulip/tulip_core.c
@@ -199,9 +199,6 @@ struct tulip_chip_table tulip_tbl[] = {
   { "Conexant LANfinity", 256, 0x0001ebef,
 	HAS_MII | HAS_ACPI, tulip_timer },
 
-   /* ULi526X */
-   { "ULi M5261/M5263", 128, 0x0001ebef,
-        HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM | HAS_ACPI, tulip_timer },
 };
 
 
@@ -239,8 +236,6 @@ static struct pci_device_id tulip_pci_tbl[] = {
 	{ 0x1737, 0xAB09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
 	{ 0x1737, 0xAB08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
 	{ 0x17B3, 0xAB08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
- 	{ 0x10b9, 0x5261, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ULI526X },	/* ALi 1563 integrated ethernet */
- 	{ 0x10b9, 0x5263, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ULI526X },	/* ALi 1563 integrated ethernet */
 	{ 0x10b7, 0x9300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, /* 3Com 3CSOHO100B-TX */
 	{ 0x14ea, 0xab08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, /* Planex FNW-3602-TX */
 	{ } /* terminate list */
@@ -522,7 +517,7 @@ static void tulip_tx_timeout(struct net_device *dev)
 				   dev->name);
 	} else if (tp->chip_id == DC21140 || tp->chip_id == DC21142
 			   || tp->chip_id == MX98713 || tp->chip_id == COMPEX9881
-			   || tp->chip_id == DM910X || tp->chip_id == ULI526X) {
+			   || tp->chip_id == DM910X) {
 		printk(KERN_WARNING "%s: 21140 transmit timed out, status %8.8x, "
 			   "SIA %8.8x %8.8x %8.8x %8.8x, resetting...\n",
 			   dev->name, ioread32(ioaddr + CSR5), ioread32(ioaddr + CSR12),
@@ -1103,18 +1098,16 @@ static void set_rx_mode(struct net_device *dev)
 			entry = tp->cur_tx++ % TX_RING_SIZE;
 
 			if (entry != 0) {
-				/* Avoid a chip errata by prefixing a dummy entry. Don't do
-				   this on the ULI526X as it triggers a different problem */
-				if (!(tp->chip_id == ULI526X && (tp->revision == 0x40 || tp->revision == 0x50))) {
-					tp->tx_buffers[entry].skb = NULL;
-					tp->tx_buffers[entry].mapping = 0;
-					tp->tx_ring[entry].length =
-						(entry == TX_RING_SIZE-1) ? cpu_to_le32(DESC_RING_WRAP) : 0;
-					tp->tx_ring[entry].buffer1 = 0;
-					/* Must set DescOwned later to avoid race with chip */
-					dummy = entry;
-					entry = tp->cur_tx++ % TX_RING_SIZE;
-				}
+				/* Avoid a chip errata by prefixing a dummy entry. */
+				tp->tx_buffers[entry].skb = NULL;
+				tp->tx_buffers[entry].mapping = 0;
+				tp->tx_ring[entry].length =
+					(entry == TX_RING_SIZE-1) ? cpu_to_le32(DESC_RING_WRAP) : 0;
+				tp->tx_ring[entry].buffer1 = 0;
+				/* Must set DescOwned later to avoid race with chip */
+				dummy = entry;
+				entry = tp->cur_tx++ % TX_RING_SIZE;
+
 			}
 
 			tp->tx_buffers[entry].skb = NULL;
@@ -1235,10 +1228,6 @@ static int tulip_uli_dm_quirk(struct pci_dev *pdev)
 {
 	if (pdev->vendor == 0x1282 && pdev->device == 0x9102)
 		return 1;
-	if (pdev->vendor == 0x10b9 && pdev->device == 0x5261)
-		return 1;
-	if (pdev->vendor == 0x10b9 && pdev->device == 0x5263)
-		return 1;
 	return 0;
 }
 
@@ -1680,7 +1669,6 @@ static int __devinit tulip_init_one (struct pci_dev *pdev,
 	switch (chip_idx) {
 	case DC21140:
 	case DM910X:
-	case ULI526X:
 	default:
 		if (tp->mtable)
 			iowrite32(tp->mtable->csr12dir | 0x100, ioaddr + CSR12);
diff --git a/drivers/net/tulip/uli526x.c b/drivers/net/tulip/uli526x.c
new file mode 100644
index 00000000000..5ae22b7bc5c
--- /dev/null
+++ b/drivers/net/tulip/uli526x.c
@@ -0,0 +1,1749 @@
+/*
+    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.
+
+    
+*/
+
+#define DRV_NAME	"uli526x"
+#define DRV_VERSION	"0.9.3"
+#define DRV_RELDATE	"2005-7-29"
+
+#include <linux/module.h>
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/ptrace.h>
+#include <linux/errno.h>
+#include <linux/ioport.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/skbuff.h>
+#include <linux/delay.h>
+#include <linux/spinlock.h>
+
+#include <asm/processor.h>
+#include <asm/bitops.h>
+#include <asm/io.h>
+#include <asm/dma.h>
+#include <asm/uaccess.h>
+
+
+/* Board/System/Debug information/definition ---------------- */
+#define PCI_ULI5261_ID  0x526110B9	/* ULi M5261 ID*/
+#define PCI_ULI5263_ID  0x526310B9	/* ULi M5263 ID*/
+
+#define ULI526X_IO_SIZE 0x100
+#define TX_DESC_CNT     0x20            /* Allocated Tx descriptors */
+#define RX_DESC_CNT     0x30            /* Allocated Rx descriptors */
+#define TX_FREE_DESC_CNT (TX_DESC_CNT - 2)	/* Max TX packet count */
+#define TX_WAKE_DESC_CNT (TX_DESC_CNT - 3)	/* TX wakeup count */
+#define DESC_ALL_CNT    (TX_DESC_CNT + RX_DESC_CNT)
+#define TX_BUF_ALLOC    0x600
+#define RX_ALLOC_SIZE   0x620
+#define ULI526X_RESET    1
+#define CR0_DEFAULT     0
+#define CR6_DEFAULT     0x22200000
+#define CR7_DEFAULT     0x180c1
+#define CR15_DEFAULT    0x06            /* TxJabber RxWatchdog */
+#define TDES0_ERR_MASK  0x4302          /* TXJT, LC, EC, FUE */
+#define MAX_PACKET_SIZE 1514
+#define ULI5261_MAX_MULTICAST 14
+#define RX_COPY_SIZE	100
+#define MAX_CHECK_PACKET 0x8000
+
+#define ULI526X_10MHF      0
+#define ULI526X_100MHF     1
+#define ULI526X_10MFD      4
+#define ULI526X_100MFD     5
+#define ULI526X_AUTO       8
+
+#define ULI526X_TXTH_72	0x400000	/* TX TH 72 byte */
+#define ULI526X_TXTH_96	0x404000	/* TX TH 96 byte */
+#define ULI526X_TXTH_128	0x0000		/* TX TH 128 byte */
+#define ULI526X_TXTH_256	0x4000		/* TX TH 256 byte */
+#define ULI526X_TXTH_512	0x8000		/* TX TH 512 byte */
+#define ULI526X_TXTH_1K	0xC000		/* TX TH 1K  byte */
+
+#define ULI526X_TIMER_WUT  (jiffies + HZ * 1)/* timer wakeup time : 1 second */
+#define ULI526X_TX_TIMEOUT ((16*HZ)/2)	/* tx packet time-out time 8 s" */
+#define ULI526X_TX_KICK 	(4*HZ/2)	/* tx packet Kick-out time 2 s" */
+
+#define ULI526X_DBUG(dbug_now, msg, value) if (uli526x_debug || (dbug_now)) printk(KERN_ERR DRV_NAME ": %s %lx\n", (msg), (long) (value))
+
+#define SHOW_MEDIA_TYPE(mode) printk(KERN_ERR DRV_NAME ": Change Speed to %sMhz %s duplex\n",mode & 1 ?"100":"10", mode & 4 ? "full":"half");
+
+
+/* CR9 definition: SROM/MII */
+#define CR9_SROM_READ   0x4800
+#define CR9_SRCS        0x1
+#define CR9_SRCLK       0x2
+#define CR9_CRDOUT      0x8
+#define SROM_DATA_0     0x0
+#define SROM_DATA_1     0x4
+#define PHY_DATA_1      0x20000
+#define PHY_DATA_0      0x00000
+#define MDCLKH          0x10000
+
+#define PHY_POWER_DOWN	0x800
+
+#define SROM_V41_CODE   0x14
+
+#define SROM_CLK_WRITE(data, ioaddr)					\
+		outl(data|CR9_SROM_READ|CR9_SRCS,ioaddr);		\
+		udelay(5);						\
+		outl(data|CR9_SROM_READ|CR9_SRCS|CR9_SRCLK,ioaddr);	\
+		udelay(5);						\
+		outl(data|CR9_SROM_READ|CR9_SRCS,ioaddr);		\
+		udelay(5);
+
+/* Structure/enum declaration ------------------------------- */
+struct tx_desc {
+        u32 tdes0, tdes1, tdes2, tdes3; /* Data for the card */
+        char *tx_buf_ptr;               /* Data for us */
+        struct tx_desc *next_tx_desc;
+} __attribute__(( aligned(32) ));
+
+struct rx_desc {
+	u32 rdes0, rdes1, rdes2, rdes3; /* Data for the card */
+	struct sk_buff *rx_skb_ptr;	/* Data for us */
+	struct rx_desc *next_rx_desc;
+} __attribute__(( aligned(32) ));
+
+struct uli526x_board_info {
+	u32 chip_id;			/* Chip vendor/Device ID */
+	struct net_device *next_dev;	/* next device */
+	struct pci_dev *pdev;		/* PCI device */
+	spinlock_t lock;
+
+	long ioaddr;			/* I/O base address */
+	u32 cr0_data;
+	u32 cr5_data;
+	u32 cr6_data;
+	u32 cr7_data;
+	u32 cr15_data;
+
+	/* pointer for memory physical address */
+	dma_addr_t buf_pool_dma_ptr;	/* Tx buffer pool memory */
+	dma_addr_t buf_pool_dma_start;	/* Tx buffer pool align dword */
+	dma_addr_t desc_pool_dma_ptr;	/* descriptor pool memory */
+	dma_addr_t first_tx_desc_dma;
+	dma_addr_t first_rx_desc_dma;
+
+	/* descriptor pointer */
+	unsigned char *buf_pool_ptr;	/* Tx buffer pool memory */
+	unsigned char *buf_pool_start;	/* Tx buffer pool align dword */
+	unsigned char *desc_pool_ptr;	/* descriptor pool memory */
+	struct tx_desc *first_tx_desc;
+	struct tx_desc *tx_insert_ptr;
+	struct tx_desc *tx_remove_ptr;
+	struct rx_desc *first_rx_desc;
+	struct rx_desc *rx_insert_ptr;
+	struct rx_desc *rx_ready_ptr;	/* packet come pointer */
+	unsigned long tx_packet_cnt;	/* transmitted packet count */
+	unsigned long rx_avail_cnt;	/* available rx descriptor count */
+	unsigned long interval_rx_cnt;	/* rx packet count a callback time */
+
+	u16 dbug_cnt;
+	u16 NIC_capability;		/* NIC media capability */
+	u16 PHY_reg4;			/* Saved Phyxcer register 4 value */
+
+	u8 media_mode;			/* user specify media mode */
+	u8 op_mode;			/* real work media mode */
+	u8 phy_addr;
+	u8 link_failed;			/* Ever link failed */
+	u8 wait_reset;			/* Hardware failed, need to reset */
+	struct timer_list timer;
+
+	/* System defined statistic counter */
+	struct net_device_stats stats;
+
+	/* Driver defined statistic counter */
+	unsigned long tx_fifo_underrun;
+	unsigned long tx_loss_carrier;
+	unsigned long tx_no_carrier;
+	unsigned long tx_late_collision;
+	unsigned long tx_excessive_collision;
+	unsigned long tx_jabber_timeout;
+	unsigned long reset_count;
+	unsigned long reset_cr8;
+	unsigned long reset_fatal;
+	unsigned long reset_TXtimeout;
+
+	/* NIC SROM data */
+	unsigned char srom[128];
+	u8 init;	
+};
+
+enum uli526x_offsets {
+	DCR0 = 0x00, DCR1 = 0x08, DCR2 = 0x10, DCR3 = 0x18, DCR4 = 0x20,
+	DCR5 = 0x28, DCR6 = 0x30, DCR7 = 0x38, DCR8 = 0x40, DCR9 = 0x48,
+	DCR10 = 0x50, DCR11 = 0x58, DCR12 = 0x60, DCR13 = 0x68, DCR14 = 0x70,
+	DCR15 = 0x78
+};
+
+enum uli526x_CR6_bits {
+	CR6_RXSC = 0x2, CR6_PBF = 0x8, CR6_PM = 0x40, CR6_PAM = 0x80,
+	CR6_FDM = 0x200, CR6_TXSC = 0x2000, CR6_STI = 0x100000,
+	CR6_SFT = 0x200000, CR6_RXA = 0x40000000, CR6_NO_PURGE = 0x20000000
+};
+
+/* Global variable declaration ----------------------------- */
+static int __devinitdata printed_version;
+static char version[] __devinitdata =
+	KERN_INFO DRV_NAME ": ULi M5261/M5263 net driver, version "
+	DRV_VERSION " (" DRV_RELDATE ")\n";
+
+static int uli526x_debug;
+static unsigned char uli526x_media_mode = ULI526X_AUTO;
+static u32 uli526x_cr6_user_set;
+
+/* For module input parameter */
+static int debug;
+static u32 cr6set;
+static unsigned char mode = 8;
+
+/* function declaration ------------------------------------- */
+static int uli526x_open(struct net_device *);
+static int uli526x_start_xmit(struct sk_buff *, struct net_device *);
+static int uli526x_stop(struct net_device *);
+static struct net_device_stats * uli526x_get_stats(struct net_device *);
+static void uli526x_set_filter_mode(struct net_device *);
+static struct ethtool_ops netdev_ethtool_ops;
+static u16 read_srom_word(long, int);
+static irqreturn_t uli526x_interrupt(int, void *, struct pt_regs *);
+static void uli526x_descriptor_init(struct uli526x_board_info *, unsigned long);
+static void allocate_rx_buffer(struct uli526x_board_info *);
+static void update_cr6(u32, unsigned long);
+static void send_filter_frame(struct net_device *, int);
+static u16 phy_read(unsigned long, u8, u8, u32);
+static u16 phy_readby_cr10(unsigned long, u8, u8);
+static void phy_write(unsigned long, u8, u8, u16, u32);
+static void phy_writeby_cr10(unsigned long, u8, u8, u16);
+static void phy_write_1bit(unsigned long, u32, u32);
+static u16 phy_read_1bit(unsigned long, u32);
+static u8 uli526x_sense_speed(struct uli526x_board_info *);
+static void uli526x_process_mode(struct uli526x_board_info *);
+static void uli526x_timer(unsigned long);
+static void uli526x_rx_packet(struct net_device *, struct uli526x_board_info *);
+static void uli526x_free_tx_pkt(struct net_device *, struct uli526x_board_info *);
+static void uli526x_reuse_skb(struct uli526x_board_info *, struct sk_buff *);
+static void uli526x_dynamic_reset(struct net_device *);
+static void uli526x_free_rxbuffer(struct uli526x_board_info *);
+static void uli526x_init(struct net_device *);
+static void uli526x_set_phyxcer(struct uli526x_board_info *);
+
+/* ULI526X network board routine ---------------------------- */
+
+/*
+ *	Search ULI526X board, allocate space and register it
+ */
+
+static int __devinit uli526x_init_one (struct pci_dev *pdev,
+				    const struct pci_device_id *ent)
+{
+	struct uli526x_board_info *db;	/* board information structure */
+	struct net_device *dev;
+	int i, err;
+	
+	ULI526X_DBUG(0, "uli526x_init_one()", 0);
+
+	if (!printed_version++)
+		printk(version);
+
+	/* Init network device */
+	dev = alloc_etherdev(sizeof(*db));
+	if (dev == NULL)
+		return -ENOMEM;
+	SET_MODULE_OWNER(dev);
+	SET_NETDEV_DEV(dev, &pdev->dev);
+
+	if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
+		printk(KERN_WARNING DRV_NAME ": 32-bit PCI DMA not available.\n");
+		err = -ENODEV;
+		goto err_out_free;
+	}
+
+	/* Enable Master/IO access, Disable memory access */
+	err = pci_enable_device(pdev);
+	if (err)
+		goto err_out_free;
+
+	if (!pci_resource_start(pdev, 0)) {
+		printk(KERN_ERR DRV_NAME ": I/O base is zero\n");
+		err = -ENODEV;
+		goto err_out_disable;
+	}
+
+	if (pci_resource_len(pdev, 0) < (ULI526X_IO_SIZE) ) {
+		printk(KERN_ERR DRV_NAME ": Allocated I/O size too small\n");
+		err = -ENODEV;
+		goto err_out_disable;
+	}
+
+	if (pci_request_regions(pdev, DRV_NAME)) {
+		printk(KERN_ERR DRV_NAME ": Failed to request PCI regions\n");
+		err = -ENODEV;
+		goto err_out_disable;
+	}
+
+	/* Init system & device */
+	db = netdev_priv(dev);
+
+	/* Allocate Tx/Rx descriptor memory */
+	db->desc_pool_ptr = pci_alloc_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20, &db->desc_pool_dma_ptr);
+	if(db->desc_pool_ptr == NULL)
+	{
+		err = -ENOMEM;
+		goto err_out_nomem;
+	}
+	db->buf_pool_ptr = pci_alloc_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, &db->buf_pool_dma_ptr);
+	if(db->buf_pool_ptr == NULL)
+	{
+		err = -ENOMEM;
+		goto err_out_nomem;
+	}
+	
+	db->first_tx_desc = (struct tx_desc *) db->desc_pool_ptr;
+	db->first_tx_desc_dma = db->desc_pool_dma_ptr;
+	db->buf_pool_start = db->buf_pool_ptr;
+	db->buf_pool_dma_start = db->buf_pool_dma_ptr;
+
+	db->chip_id = ent->driver_data;
+	db->ioaddr = pci_resource_start(pdev, 0);
+	
+	db->pdev = pdev;
+	db->init = 1;
+	
+	dev->base_addr = db->ioaddr;
+	dev->irq = pdev->irq;
+	pci_set_drvdata(pdev, dev);
+	
+	/* Register some necessary functions */
+	dev->open = &uli526x_open;
+	dev->hard_start_xmit = &uli526x_start_xmit;
+	dev->stop = &uli526x_stop;
+	dev->get_stats = &uli526x_get_stats;
+	dev->set_multicast_list = &uli526x_set_filter_mode;
+	dev->ethtool_ops = &netdev_ethtool_ops;
+	spin_lock_init(&db->lock);
+
+		
+	/* read 64 word srom data */
+	for (i = 0; i < 64; i++)
+		((u16 *) db->srom)[i] = cpu_to_le16(read_srom_word(db->ioaddr, i));
+
+	/* Set Node address */
+	if(((u16 *) db->srom)[0] == 0xffff || ((u16 *) db->srom)[0] == 0)		/* SROM absent, so read MAC address from ID Table */
+	{
+		outl(0x10000, db->ioaddr + DCR0);	//Diagnosis mode
+		outl(0x1c0, db->ioaddr + DCR13);	//Reset dianostic pointer port
+		outl(0, db->ioaddr + DCR14);		//Clear reset port
+		outl(0x10, db->ioaddr + DCR14);		//Reset ID Table pointer
+		outl(0, db->ioaddr + DCR14);		//Clear reset port
+		outl(0, db->ioaddr + DCR13);		//Clear CR13
+		outl(0x1b0, db->ioaddr + DCR13);	//Select ID Table access port
+		//Read MAC address from CR14
+		for (i = 0; i < 6; i++)
+			dev->dev_addr[i] = inl(db->ioaddr + DCR14);
+		//Read end
+		outl(0, db->ioaddr + DCR13);	//Clear CR13
+		outl(0, db->ioaddr + DCR0);		//Clear CR0
+		udelay(10);
+	}
+	else		/*Exist SROM*/
+	{
+		for (i = 0; i < 6; i++)
+			dev->dev_addr[i] = db->srom[20 + i];
+	}
+	err = register_netdev (dev);
+	if (err)
+		goto err_out_res;
+
+	printk(KERN_INFO "%s: ULi M%04lx at pci%s,",dev->name,ent->driver_data >> 16,pci_name(pdev));
+	
+	for (i = 0; i < 6; i++)
+		printk("%c%02x", i ? ':' : ' ', dev->dev_addr[i]);
+	printk(", irq %d.\n", dev->irq);
+
+	pci_set_master(pdev);
+
+	return 0;
+
+err_out_res:
+	pci_release_regions(pdev);
+err_out_nomem:
+	if(db->desc_pool_ptr)
+		pci_free_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20,
+			db->desc_pool_ptr, db->desc_pool_dma_ptr);
+			
+	if(db->buf_pool_ptr != NULL)
+		pci_free_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4,
+			db->buf_pool_ptr, db->buf_pool_dma_ptr);
+err_out_disable:
+	pci_disable_device(pdev);
+err_out_free:
+	pci_set_drvdata(pdev, NULL);
+	free_netdev(dev);
+
+	return err;
+}
+
+
+static void __devexit uli526x_remove_one (struct pci_dev *pdev)
+{
+	struct net_device *dev = pci_get_drvdata(pdev);
+	struct uli526x_board_info *db = netdev_priv(dev);
+
+	ULI526X_DBUG(0, "uli526x_remove_one()", 0);
+
+	pci_free_consistent(db->pdev, sizeof(struct tx_desc) *
+				DESC_ALL_CNT + 0x20, db->desc_pool_ptr,
+ 				db->desc_pool_dma_ptr);
+	pci_free_consistent(db->pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4,
+				db->buf_pool_ptr, db->buf_pool_dma_ptr);
+	unregister_netdev(dev);
+	pci_release_regions(pdev);
+	free_netdev(dev);	/* free board information */
+	pci_set_drvdata(pdev, NULL);
+	pci_disable_device(pdev);
+	ULI526X_DBUG(0, "uli526x_remove_one() exit", 0);
+}
+
+
+/*
+ *	Open the interface.
+ *	The interface is opened whenever "ifconfig" activates it.
+ */
+
+static int uli526x_open(struct net_device *dev)
+{
+	int ret;
+	struct uli526x_board_info *db = netdev_priv(dev);
+	
+	ULI526X_DBUG(0, "uli526x_open", 0);
+
+	ret = request_irq(dev->irq, &uli526x_interrupt, SA_SHIRQ, dev->name, dev);
+	if (ret)
+		return ret;
+
+	/* system variable init */
+	db->cr6_data = CR6_DEFAULT | uli526x_cr6_user_set;
+	db->tx_packet_cnt = 0;
+	db->rx_avail_cnt = 0;
+	db->link_failed = 1;
+	netif_carrier_off(dev);
+	db->wait_reset = 0;
+
+	db->NIC_capability = 0xf;	/* All capability*/
+	db->PHY_reg4 = 0x1e0;
+
+	/* CR6 operation mode decision */
+	db->cr6_data |= ULI526X_TXTH_256;
+	db->cr0_data = CR0_DEFAULT;
+	
+	/* Initialize ULI526X board */
+	uli526x_init(dev);
+
+	/* Active System Interface */
+	netif_wake_queue(dev);
+
+	/* set and active a timer process */
+	init_timer(&db->timer);
+	db->timer.expires = ULI526X_TIMER_WUT + HZ * 2;
+	db->timer.data = (unsigned long)dev;
+	db->timer.function = &uli526x_timer;
+	add_timer(&db->timer);
+
+	return 0;
+}
+
+
+/*	Initialize ULI526X board
+ *	Reset ULI526X board
+ *	Initialize TX/Rx descriptor chain structure
+ *	Send the set-up frame
+ *	Enable Tx/Rx machine
+ */
+
+static void uli526x_init(struct net_device *dev)
+{
+	struct uli526x_board_info *db = netdev_priv(dev);
+	unsigned long ioaddr = db->ioaddr;
+	u8	phy_tmp;
+	u16	phy_value;
+	u16 phy_reg_reset;
+
+	ULI526X_DBUG(0, "uli526x_init()", 0);
+
+	/* Reset M526x MAC controller */
+	outl(ULI526X_RESET, ioaddr + DCR0);	/* RESET MAC */
+	udelay(100);
+	outl(db->cr0_data, ioaddr + DCR0);
+	udelay(5);
+
+	/* Phy addr : In some boards,M5261/M5263 phy address != 1 */
+	db->phy_addr = 1;
+	for(phy_tmp=0;phy_tmp<32;phy_tmp++)
+	{
+		phy_value=phy_read(db->ioaddr,phy_tmp,3,db->chip_id);//peer add
+		if(phy_value != 0xffff&&phy_value!=0)
+		{
+			db->phy_addr = phy_tmp;
+			break;
+		}
+	}
+	if(phy_tmp == 32)
+		printk(KERN_WARNING "Can not find the phy address!!!");
+	/* Parser SROM and media mode */
+	db->media_mode = uli526x_media_mode;
+
+	/* Phyxcer capability setting */
+	phy_reg_reset = phy_read(db->ioaddr, db->phy_addr, 0, db->chip_id);
+	phy_reg_reset = (phy_reg_reset | 0x8000);
+	phy_write(db->ioaddr, db->phy_addr, 0, phy_reg_reset, db->chip_id);
+	udelay(500);
+
+	/* Process Phyxcer Media Mode */
+	uli526x_set_phyxcer(db);
+
+	/* Media Mode Process */
+	if ( !(db->media_mode & ULI526X_AUTO) )
+		db->op_mode = db->media_mode; 	/* Force Mode */
+
+	/* Initialize Transmit/Receive decriptor and CR3/4 */
+	uli526x_descriptor_init(db, ioaddr);
+
+	/* Init CR6 to program M526X operation */
+	update_cr6(db->cr6_data, ioaddr);
+
+	/* Send setup frame */
+	send_filter_frame(dev, dev->mc_count);	/* M5261/M5263 */
+
+	/* Init CR7, interrupt active bit */
+	db->cr7_data = CR7_DEFAULT;
+	outl(db->cr7_data, ioaddr + DCR7);
+
+	/* Init CR15, Tx jabber and Rx watchdog timer */
+	outl(db->cr15_data, ioaddr + DCR15);
+
+	/* Enable ULI526X Tx/Rx function */
+	db->cr6_data |= CR6_RXSC | CR6_TXSC;
+	update_cr6(db->cr6_data, ioaddr);
+}
+
+
+/*
+ *	Hardware start transmission.
+ *	Send a packet to media from the upper layer.
+ */
+
+static int uli526x_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+	struct uli526x_board_info *db = netdev_priv(dev);
+	struct tx_desc *txptr;
+	unsigned long flags;
+
+	ULI526X_DBUG(0, "uli526x_start_xmit", 0);
+
+	/* Resource flag check */
+	netif_stop_queue(dev);
+
+	/* Too large packet check */
+	if (skb->len > MAX_PACKET_SIZE) {
+		printk(KERN_ERR DRV_NAME ": big packet = %d\n", (u16)skb->len);
+		dev_kfree_skb(skb);
+		return 0;
+	}
+
+	spin_lock_irqsave(&db->lock, flags);
+
+	/* No Tx resource check, it never happen nromally */
+	if (db->tx_packet_cnt >= TX_FREE_DESC_CNT) {
+		spin_unlock_irqrestore(&db->lock, flags);
+		printk(KERN_ERR DRV_NAME ": No Tx resource %ld\n", db->tx_packet_cnt);
+		return 1;
+	}
+
+	/* Disable NIC interrupt */
+	outl(0, dev->base_addr + DCR7);
+
+	/* transmit this packet */
+	txptr = db->tx_insert_ptr;
+	memcpy(txptr->tx_buf_ptr, skb->data, skb->len);
+	txptr->tdes1 = cpu_to_le32(0xe1000000 | skb->len);
+
+	/* Point to next transmit free descriptor */
+	db->tx_insert_ptr = txptr->next_tx_desc;
+
+	/* Transmit Packet Process */
+	if ( (db->tx_packet_cnt < TX_DESC_CNT) ) {
+		txptr->tdes0 = cpu_to_le32(0x80000000);	/* Set owner bit */
+		db->tx_packet_cnt++;			/* Ready to send */
+		outl(0x1, dev->base_addr + DCR1);	/* Issue Tx polling */
+		dev->trans_start = jiffies;		/* saved time stamp */
+	}
+
+	/* Tx resource check */
+	if ( db->tx_packet_cnt < TX_FREE_DESC_CNT )
+		netif_wake_queue(dev);
+
+	/* Restore CR7 to enable interrupt */
+	spin_unlock_irqrestore(&db->lock, flags);
+	outl(db->cr7_data, dev->base_addr + DCR7);
+	
+	/* free this SKB */
+	dev_kfree_skb(skb);
+
+	return 0;
+}
+
+
+/*
+ *	Stop the interface.
+ *	The interface is stopped when it is brought.
+ */
+
+static int uli526x_stop(struct net_device *dev)
+{
+	struct uli526x_board_info *db = netdev_priv(dev);
+	unsigned long ioaddr = dev->base_addr;
+
+	ULI526X_DBUG(0, "uli526x_stop", 0);
+
+	/* disable system */
+	netif_stop_queue(dev);
+
+	/* deleted timer */
+	del_timer_sync(&db->timer);
+
+	/* Reset & stop ULI526X board */
+	outl(ULI526X_RESET, ioaddr + DCR0);
+	udelay(5);
+	phy_write(db->ioaddr, db->phy_addr, 0, 0x8000, db->chip_id);
+
+	/* free interrupt */
+	free_irq(dev->irq, dev);
+
+	/* free allocated rx buffer */
+	uli526x_free_rxbuffer(db);
+
+#if 0
+	/* show statistic counter */
+	printk(DRV_NAME ": FU:%lx EC:%lx LC:%lx NC:%lx LOC:%lx TXJT:%lx RESET:%lx RCR8:%lx FAL:%lx TT:%lx\n",
+		db->tx_fifo_underrun, db->tx_excessive_collision,
+		db->tx_late_collision, db->tx_no_carrier, db->tx_loss_carrier,
+		db->tx_jabber_timeout, db->reset_count, db->reset_cr8,
+		db->reset_fatal, db->reset_TXtimeout);
+#endif
+
+	return 0;
+}
+
+
+/*
+ *	M5261/M5263 insterrupt handler
+ *	receive the packet to upper layer, free the transmitted packet
+ */
+
+static irqreturn_t uli526x_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+{
+	struct net_device *dev = dev_id;
+	struct uli526x_board_info *db = netdev_priv(dev);
+	unsigned long ioaddr = dev->base_addr;
+	unsigned long flags;
+
+	if (!dev) {
+		ULI526X_DBUG(1, "uli526x_interrupt() without DEVICE arg", 0);
+		return IRQ_NONE;
+	}
+
+	spin_lock_irqsave(&db->lock, flags);
+	outl(0, ioaddr + DCR7);
+
+	/* Got ULI526X status */
+	db->cr5_data = inl(ioaddr + DCR5);
+	outl(db->cr5_data, ioaddr + DCR5);
+	if ( !(db->cr5_data & 0x180c1) ) {
+		spin_unlock_irqrestore(&db->lock, flags);
+		outl(db->cr7_data, ioaddr + DCR7);
+		return IRQ_HANDLED;
+	}
+
+	/* Check system status */
+	if (db->cr5_data & 0x2000) {
+		/* system bus error happen */
+		ULI526X_DBUG(1, "System bus error happen. CR5=", db->cr5_data);
+		db->reset_fatal++;
+		db->wait_reset = 1;	/* Need to RESET */
+		spin_unlock_irqrestore(&db->lock, flags);
+		return IRQ_HANDLED;
+	}
+
+	 /* Received the coming packet */
+	if ( (db->cr5_data & 0x40) && db->rx_avail_cnt )
+		uli526x_rx_packet(dev, db);
+
+	/* reallocate rx descriptor buffer */
+	if (db->rx_avail_cnt<RX_DESC_CNT)
+		allocate_rx_buffer(db);
+
+	/* Free the transmitted descriptor */
+	if ( db->cr5_data & 0x01)
+		uli526x_free_tx_pkt(dev, db);
+
+	/* Restore CR7 to enable interrupt mask */
+	outl(db->cr7_data, ioaddr + DCR7);
+
+	spin_unlock_irqrestore(&db->lock, flags);
+	return IRQ_HANDLED;
+}
+
+
+/*
+ *	Free TX resource after TX complete
+ */
+
+static void uli526x_free_tx_pkt(struct net_device *dev, struct uli526x_board_info * db)
+{
+	struct tx_desc *txptr;
+	u32 tdes0;
+
+	txptr = db->tx_remove_ptr;
+	while(db->tx_packet_cnt) {
+		tdes0 = le32_to_cpu(txptr->tdes0);
+		/* printk(DRV_NAME ": tdes0=%x\n", tdes0); */
+		if (tdes0 & 0x80000000)
+			break;
+
+		/* A packet sent completed */
+		db->tx_packet_cnt--;
+		db->stats.tx_packets++;
+
+		/* Transmit statistic counter */
+		if ( tdes0 != 0x7fffffff ) {
+			/* printk(DRV_NAME ": tdes0=%x\n", tdes0); */
+			db->stats.collisions += (tdes0 >> 3) & 0xf;
+			db->stats.tx_bytes += le32_to_cpu(txptr->tdes1) & 0x7ff;
+			if (tdes0 & TDES0_ERR_MASK) {
+				db->stats.tx_errors++;
+				if (tdes0 & 0x0002) {	/* UnderRun */
+					db->tx_fifo_underrun++;
+					if ( !(db->cr6_data & CR6_SFT) ) {
+						db->cr6_data = db->cr6_data | CR6_SFT;
+						update_cr6(db->cr6_data, db->ioaddr);
+					}
+				}
+				if (tdes0 & 0x0100)
+					db->tx_excessive_collision++;
+				if (tdes0 & 0x0200)
+					db->tx_late_collision++;
+				if (tdes0 & 0x0400)
+					db->tx_no_carrier++;
+				if (tdes0 & 0x0800)
+					db->tx_loss_carrier++;
+				if (tdes0 & 0x4000)
+					db->tx_jabber_timeout++;
+			}
+		}
+
+    		txptr = txptr->next_tx_desc;
+	}/* End of while */
+
+	/* Update TX remove pointer to next */
+	db->tx_remove_ptr = txptr;
+
+	/* Resource available check */
+	if ( db->tx_packet_cnt < TX_WAKE_DESC_CNT )
+		netif_wake_queue(dev);	/* Active upper layer, send again */
+}
+
+
+/*
+ *	Receive the come packet and pass to upper layer
+ */
+
+static void uli526x_rx_packet(struct net_device *dev, struct uli526x_board_info * db)
+{
+	struct rx_desc *rxptr;
+	struct sk_buff *skb;
+	int rxlen;
+	u32 rdes0;
+	
+	rxptr = db->rx_ready_ptr;
+
+	while(db->rx_avail_cnt) {
+		rdes0 = le32_to_cpu(rxptr->rdes0);
+		if (rdes0 & 0x80000000)	/* packet owner check */
+		{
+			break;
+		}
+
+		db->rx_avail_cnt--;
+		db->interval_rx_cnt++;
+
+		pci_unmap_single(db->pdev, le32_to_cpu(rxptr->rdes2), RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE);
+		if ( (rdes0 & 0x300) != 0x300) {
+			/* A packet without First/Last flag */
+			/* reuse this SKB */
+			ULI526X_DBUG(0, "Reuse SK buffer, rdes0", rdes0);
+			uli526x_reuse_skb(db, rxptr->rx_skb_ptr);
+		} else {
+			/* A packet with First/Last flag */
+			rxlen = ( (rdes0 >> 16) & 0x3fff) - 4;
+
+			/* error summary bit check */
+			if (rdes0 & 0x8000) {
+				/* This is a error packet */
+				//printk(DRV_NAME ": rdes0: %lx\n", rdes0);
+				db->stats.rx_errors++;
+				if (rdes0 & 1)
+					db->stats.rx_fifo_errors++;
+				if (rdes0 & 2)
+					db->stats.rx_crc_errors++;
+				if (rdes0 & 0x80)
+					db->stats.rx_length_errors++;
+			}
+
+			if ( !(rdes0 & 0x8000) ||
+				((db->cr6_data & CR6_PM) && (rxlen>6)) ) {
+				skb = rxptr->rx_skb_ptr;
+		
+