![Thomas Gleixner](/assets/img/avatar_default.png)
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: "David S. Miller" <davem@davemloft.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
1750 lines
46 KiB
C
1750 lines
46 KiB
C
/*
|
|
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/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 <linux/dma-mapping.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 int 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, IRQF_SHARED, 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;
|
|
|
|
/* Good packet, send to upper layer */
|
|
/* Shorst packet used new SKB */
|
|
if ( (rxlen < RX_COPY_SIZE) &&
|
|
( (skb = dev_alloc_skb(rxlen + 2) )
|
|
!= NULL) ) {
|
|
/* size less than COPY_SIZE, allocate a rxlen SKB */
|
|
skb->dev = dev;
|
|
skb_reserve(skb, 2); /* 16byte align */
|
|
memcpy(skb_put(skb, rxlen), rxptr->rx_skb_ptr->tail, rxlen);
|
|
uli526x_reuse_skb(db, rxptr->rx_skb_ptr);
|
|
} else {
|
|
skb->dev = dev;
|
|
skb_put(skb, rxlen);
|
|
}
|
|
skb->protocol = eth_type_trans(skb, dev);
|
|
netif_rx(skb);
|
|
dev->last_rx = jiffies;
|
|
db->stats.rx_packets++;
|
|
db->stats.rx_bytes += rxlen;
|
|
|
|
} else {
|
|
/* Reuse SKB buffer when the packet is error */
|
|
ULI526X_DBUG(0, "Reuse SK buffer, rdes0", rdes0);
|
|
uli526x_reuse_skb(db, rxptr->rx_skb_ptr);
|
|
}
|
|
}
|
|
|
|
rxptr = rxptr->next_rx_desc;
|
|
}
|
|
|
|
db->rx_ready_ptr = rxptr;
|
|
}
|
|
|
|
|
|
/*
|
|
* Get statistics from driver.
|
|
*/
|
|
|
|
static struct net_device_stats * uli526x_get_stats(struct net_device *dev)
|
|
{
|
|
struct uli526x_board_info *db = netdev_priv(dev);
|
|
|
|
ULI526X_DBUG(0, "uli526x_get_stats", 0);
|
|
return &db->stats;
|
|
}
|
|
|
|
|
|
/*
|
|
* Set ULI526X multicast address
|
|
*/
|
|
|
|
static void uli526x_set_filter_mode(struct net_device * dev)
|
|
{
|
|
struct uli526x_board_info *db = dev->priv;
|
|
unsigned long flags;
|
|
|
|
ULI526X_DBUG(0, "uli526x_set_filter_mode()", 0);
|
|
spin_lock_irqsave(&db->lock, flags);
|
|
|
|
if (dev->flags & IFF_PROMISC) {
|
|
ULI526X_DBUG(0, "Enable PROM Mode", 0);
|
|
db->cr6_data |= CR6_PM | CR6_PBF;
|
|
update_cr6(db->cr6_data, db->ioaddr);
|
|
spin_unlock_irqrestore(&db->lock, flags);
|
|
return;
|
|
}
|
|
|
|
if (dev->flags & IFF_ALLMULTI || dev->mc_count > ULI5261_MAX_MULTICAST) {
|
|
ULI526X_DBUG(0, "Pass all multicast address", dev->mc_count);
|
|
db->cr6_data &= ~(CR6_PM | CR6_PBF);
|
|
db->cr6_data |= CR6_PAM;
|
|
spin_unlock_irqrestore(&db->lock, flags);
|
|
return;
|
|
}
|
|
|
|
ULI526X_DBUG(0, "Set multicast address", dev->mc_count);
|
|
send_filter_frame(dev, dev->mc_count); /* M5261/M5263 */
|
|
spin_unlock_irqrestore(&db->lock, flags);
|
|
}
|
|
|
|
static void
|
|
ULi_ethtool_gset(struct uli526x_board_info *db, struct ethtool_cmd *ecmd)
|
|
{
|
|
ecmd->supported = (SUPPORTED_10baseT_Half |
|
|
SUPPORTED_10baseT_Full |
|
|
SUPPORTED_100baseT_Half |
|
|
SUPPORTED_100baseT_Full |
|
|
SUPPORTED_Autoneg |
|
|
SUPPORTED_MII);
|
|
|
|
ecmd->advertising = (ADVERTISED_10baseT_Half |
|
|
ADVERTISED_10baseT_Full |
|
|
ADVERTISED_100baseT_Half |
|
|
ADVERTISED_100baseT_Full |
|
|
ADVERTISED_Autoneg |
|
|
ADVERTISED_MII);
|
|
|
|
|
|
ecmd->port = PORT_MII;
|
|
ecmd->phy_address = db->phy_addr;
|
|
|
|
ecmd->transceiver = XCVR_EXTERNAL;
|
|
|
|
ecmd->speed = 10;
|
|
ecmd->duplex = DUPLEX_HALF;
|
|
|
|
if(db->op_mode==ULI526X_100MHF || db->op_mode==ULI526X_100MFD)
|
|
{
|
|
ecmd->speed = 100;
|
|
}
|
|
if(db->op_mode==ULI526X_10MFD || db->op_mode==ULI526X_100MFD)
|
|
{
|
|
ecmd->duplex = DUPLEX_FULL;
|
|
}
|
|
if(db->link_failed)
|
|
{
|
|
ecmd->speed = -1;
|
|
ecmd->duplex = -1;
|
|
}
|
|
|
|
if (db->media_mode & ULI526X_AUTO)
|
|
{
|
|
ecmd->autoneg = AUTONEG_ENABLE;
|
|
}
|
|
}
|
|
|
|
static void netdev_get_drvinfo(struct net_device *dev,
|
|
struct ethtool_drvinfo *info)
|
|
{
|
|
struct uli526x_board_info *np = netdev_priv(dev);
|
|
|
|
strcpy(info->driver, DRV_NAME);
|
|
strcpy(info->version, DRV_VERSION);
|
|
if (np->pdev)
|
|
strcpy(info->bus_info, pci_name(np->pdev));
|
|
else
|
|
sprintf(info->bus_info, "EISA 0x%lx %d",
|
|
dev->base_addr, dev->irq);
|
|
}
|
|
|
|
static int netdev_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) {
|
|
struct uli526x_board_info *np = netdev_priv(dev);
|
|
|
|
ULi_ethtool_gset(np, cmd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static u32 netdev_get_link(struct net_device *dev) {
|
|
struct uli526x_board_info *np = netdev_priv(dev);
|
|
|
|
if(np->link_failed)
|
|
return 0;
|
|
else
|
|
return 1;
|
|
}
|
|
|
|
static void uli526x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
|
|
{
|
|
wol->supported = WAKE_PHY | WAKE_MAGIC;
|
|
wol->wolopts = 0;
|
|
}
|
|
|
|
static struct ethtool_ops netdev_ethtool_ops = {
|
|
.get_drvinfo = netdev_get_drvinfo,
|
|
.get_settings = netdev_get_settings,
|
|
.get_link = netdev_get_link,
|
|
.get_wol = uli526x_get_wol,
|
|
};
|
|
|
|
/*
|
|
* A periodic timer routine
|
|
* Dynamic media sense, allocate Rx buffer...
|
|
*/
|
|
|
|
static void uli526x_timer(unsigned long data)
|
|
{
|
|
u32 tmp_cr8;
|
|
unsigned char tmp_cr12=0;
|
|
struct net_device *dev = (struct net_device *) data;
|
|
struct uli526x_board_info *db = netdev_priv(dev);
|
|
unsigned long flags;
|
|
u8 TmpSpeed=10;
|
|
|
|
//ULI526X_DBUG(0, "uli526x_timer()", 0);
|
|
spin_lock_irqsave(&db->lock, flags);
|
|
|
|
|
|
/* Dynamic reset ULI526X : system error or transmit time-out */
|
|
tmp_cr8 = inl(db->ioaddr + DCR8);
|
|
if ( (db->interval_rx_cnt==0) && (tmp_cr8) ) {
|
|
db->reset_cr8++;
|
|
db->wait_reset = 1;
|
|
}
|
|
db->interval_rx_cnt = 0;
|
|
|
|
/* TX polling kick monitor */
|
|
if ( db->tx_packet_cnt &&
|
|
time_after(jiffies, dev->trans_start + ULI526X_TX_KICK) ) {
|
|
outl(0x1, dev->base_addr + DCR1); // Tx polling again
|
|
|
|
// TX Timeout
|
|
if ( time_after(jiffies, dev->trans_start + ULI526X_TX_TIMEOUT) ) {
|
|
db->reset_TXtimeout++;
|
|
db->wait_reset = 1;
|
|
printk( "%s: Tx timeout - resetting\n",
|
|
dev->name);
|
|
}
|
|
}
|
|
|
|
if (db->wait_reset) {
|
|
ULI526X_DBUG(0, "Dynamic Reset device", db->tx_packet_cnt);
|
|
db->reset_count++;
|
|
uli526x_dynamic_reset(dev);
|
|
db->timer.expires = ULI526X_TIMER_WUT;
|
|
add_timer(&db->timer);
|
|
spin_unlock_irqrestore(&db->lock, flags);
|
|
return;
|
|
}
|
|
|
|
/* Link status check, Dynamic media type change */
|
|
if((phy_read(db->ioaddr, db->phy_addr, 5, db->chip_id) & 0x01e0)!=0)
|
|
tmp_cr12 = 3;
|
|
|
|
if ( !(tmp_cr12 & 0x3) && !db->link_failed ) {
|
|
/* Link Failed */
|
|
ULI526X_DBUG(0, "Link Failed", tmp_cr12);
|
|
netif_carrier_off(dev);
|
|
printk(KERN_INFO "uli526x: %s NIC Link is Down\n",dev->name);
|
|
db->link_failed = 1;
|
|
|
|
/* For Force 10/100M Half/Full mode: Enable Auto-Nego mode */
|
|
/* AUTO don't need */
|
|
if ( !(db->media_mode & 0x8) )
|
|
phy_write(db->ioaddr, db->phy_addr, 0, 0x1000, db->chip_id);
|
|
|
|
/* AUTO mode, if INT phyxcer link failed, select EXT device */
|
|
if (db->media_mode & ULI526X_AUTO) {
|
|
db->cr6_data&=~0x00000200; /* bit9=0, HD mode */
|
|
update_cr6(db->cr6_data, db->ioaddr);
|
|
}
|
|
} else
|
|
if ((tmp_cr12 & 0x3) && db->link_failed) {
|
|
ULI526X_DBUG(0, "Link link OK", tmp_cr12);
|
|
db->link_failed = 0;
|
|
|
|
/* Auto Sense Speed */
|
|
if ( (db->media_mode & ULI526X_AUTO) &&
|
|
uli526x_sense_speed(db) )
|
|
db->link_failed = 1;
|
|
uli526x_process_mode(db);
|
|
|
|
if(db->link_failed==0)
|
|
{
|
|
if(db->op_mode==ULI526X_100MHF || db->op_mode==ULI526X_100MFD)
|
|
{
|
|
TmpSpeed = 100;
|
|
}
|
|
if(db->op_mode==ULI526X_10MFD || db->op_mode==ULI526X_100MFD)
|
|
{
|
|
printk(KERN_INFO "uli526x: %s NIC Link is Up %d Mbps Full duplex\n",dev->name,TmpSpeed);
|
|
}
|
|
else
|
|
{
|
|
printk(KERN_INFO "uli526x: %s NIC Link is Up %d Mbps Half duplex\n",dev->name,TmpSpeed);
|
|
}
|
|
netif_carrier_on(dev);
|
|
}
|
|
/* SHOW_MEDIA_TYPE(db->op_mode); */
|
|
}
|
|
else if(!(tmp_cr12 & 0x3) && db->link_failed)
|
|
{
|
|
if(db->init==1)
|
|
{
|
|
printk(KERN_INFO "uli526x: %s NIC Link is Down\n",dev->name);
|
|
netif_carrier_off(dev);
|
|
}
|
|
}
|
|
db->init=0;
|
|
|
|
/* Timer active again */
|
|
db->timer.expires = ULI526X_TIMER_WUT;
|
|
add_timer(&db->timer);
|
|
spin_unlock_irqrestore(&db->lock, flags);
|
|
}
|
|
|
|
|
|
/*
|
|
* Dynamic reset the ULI526X board
|
|
* Stop ULI526X board
|
|
* Free Tx/Rx allocated memory
|
|
* Reset ULI526X board
|
|
* Re-initialize ULI526X board
|
|
*/
|
|
|
|
static void uli526x_dynamic_reset(struct net_device *dev)
|
|
{
|
|
struct uli526x_board_info *db = netdev_priv(dev);
|
|
|
|
ULI526X_DBUG(0, "uli526x_dynamic_reset()", 0);
|
|
|
|
/* Sopt MAC controller */
|
|
db->cr6_data &= ~(CR6_RXSC | CR6_TXSC); /* Disable Tx/Rx */
|
|
update_cr6(db->cr6_data, dev->base_addr);
|
|
outl(0, dev->base_addr + DCR7); /* Disable Interrupt */
|
|
outl(inl(dev->base_addr + DCR5), dev->base_addr + DCR5);
|
|
|
|
/* Disable upper layer interface */
|
|
netif_stop_queue(dev);
|
|
|
|
/* Free Rx Allocate buffer */
|
|
uli526x_free_rxbuffer(db);
|
|
|
|
/* system variable init */
|
|
db->tx_packet_cnt = 0;
|
|
db->rx_avail_cnt = 0;
|
|
db->link_failed = 1;
|
|
db->init=1;
|
|
db->wait_reset = 0;
|
|
|
|
/* Re-initialize ULI526X board */
|
|
uli526x_init(dev);
|
|
|
|
/* Restart upper layer interface */
|
|
netif_wake_queue(dev);
|
|
}
|
|
|
|
|
|
/*
|
|
* free all allocated rx buffer
|
|
*/
|
|
|
|
static void uli526x_free_rxbuffer(struct uli526x_board_info * db)
|
|
{
|
|
ULI526X_DBUG(0, "uli526x_free_rxbuffer()", 0);
|
|
|
|
/* free allocated rx buffer */
|
|
while (db->rx_avail_cnt) {
|
|
dev_kfree_skb(db->rx_ready_ptr->rx_skb_ptr);
|
|
db->rx_ready_ptr = db->rx_ready_ptr->next_rx_desc;
|
|
db->rx_avail_cnt--;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Reuse the SK buffer
|
|
*/
|
|
|
|
static void uli526x_reuse_skb(struct uli526x_board_info *db, struct sk_buff * skb)
|
|
{
|
|
struct rx_desc *rxptr = db->rx_insert_ptr;
|
|
|
|
if (!(rxptr->rdes0 & cpu_to_le32(0x80000000))) {
|
|
rxptr->rx_skb_ptr = skb;
|
|
rxptr->rdes2 = cpu_to_le32( pci_map_single(db->pdev, skb->tail, RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE) );
|
|
wmb();
|
|
rxptr->rdes0 = cpu_to_le32(0x80000000);
|
|
db->rx_avail_cnt++;
|
|
db->rx_insert_ptr = rxptr->next_rx_desc;
|
|
} else
|
|
ULI526X_DBUG(0, "SK Buffer reuse method error", db->rx_avail_cnt);
|
|
}
|
|
|
|
|
|
/*
|
|
* Initialize transmit/Receive descriptor
|
|
* Using Chain structure, and allocate Tx/Rx buffer
|
|
*/
|
|
|
|
static void uli526x_descriptor_init(struct uli526x_board_info *db, unsigned long ioaddr)
|
|
{
|
|
struct tx_desc *tmp_tx;
|
|
struct rx_desc *tmp_rx;
|
|
unsigned char *tmp_buf;
|
|
dma_addr_t tmp_tx_dma, tmp_rx_dma;
|
|
dma_addr_t tmp_buf_dma;
|
|
int i;
|
|
|
|
ULI526X_DBUG(0, "uli526x_descriptor_init()", 0);
|
|
|
|
/* tx descriptor start pointer */
|
|
db->tx_insert_ptr = db->first_tx_desc;
|
|
db->tx_remove_ptr = db->first_tx_desc;
|
|
outl(db->first_tx_desc_dma, ioaddr + DCR4); /* TX DESC address */
|
|
|
|
/* rx descriptor start pointer */
|
|
db->first_rx_desc = (void *)db->first_tx_desc + sizeof(struct tx_desc) * TX_DESC_CNT;
|
|
db->first_rx_desc_dma = db->first_tx_desc_dma + sizeof(struct tx_desc) * TX_DESC_CNT;
|
|
db->rx_insert_ptr = db->first_rx_desc;
|
|
db->rx_ready_ptr = db->first_rx_desc;
|
|
outl(db->first_rx_desc_dma, ioaddr + DCR3); /* RX DESC address */
|
|
|
|
/* Init Transmit chain */
|
|
tmp_buf = db->buf_pool_start;
|
|
tmp_buf_dma = db->buf_pool_dma_start;
|
|
tmp_tx_dma = db->first_tx_desc_dma;
|
|
for (tmp_tx = db->first_tx_desc, i = 0; i < TX_DESC_CNT; i++, tmp_tx++) {
|
|
tmp_tx->tx_buf_ptr = tmp_buf;
|
|
tmp_tx->tdes0 = cpu_to_le32(0);
|
|
tmp_tx->tdes1 = cpu_to_le32(0x81000000); /* IC, chain */
|
|
tmp_tx->tdes2 = cpu_to_le32(tmp_buf_dma);
|
|
tmp_tx_dma += sizeof(struct tx_desc);
|
|
tmp_tx->tdes3 = cpu_to_le32(tmp_tx_dma);
|
|
tmp_tx->next_tx_desc = tmp_tx + 1;
|
|
tmp_buf = tmp_buf + TX_BUF_ALLOC;
|
|
tmp_buf_dma = tmp_buf_dma + TX_BUF_ALLOC;
|
|
}
|
|
(--tmp_tx)->tdes3 = cpu_to_le32(db->first_tx_desc_dma);
|
|
tmp_tx->next_tx_desc = db->first_tx_desc;
|
|
|
|
/* Init Receive descriptor chain */
|
|
tmp_rx_dma=db->first_rx_desc_dma;
|
|
for (tmp_rx = db->first_rx_desc, i = 0; i < RX_DESC_CNT; i++, tmp_rx++) {
|
|
tmp_rx->rdes0 = cpu_to_le32(0);
|
|
tmp_rx->rdes1 = cpu_to_le32(0x01000600);
|
|
tmp_rx_dma += sizeof(struct rx_desc);
|
|
tmp_rx->rdes3 = cpu_to_le32(tmp_rx_dma);
|
|
tmp_rx->next_rx_desc = tmp_rx + 1;
|
|
}
|
|
(--tmp_rx)->rdes3 = cpu_to_le32(db->first_rx_desc_dma);
|
|
tmp_rx->next_rx_desc = db->first_rx_desc;
|
|
|
|
/* pre-allocate Rx buffer */
|
|
allocate_rx_buffer(db);
|
|
}
|
|
|
|
|
|
/*
|
|
* Update CR6 value
|
|
* Firstly stop ULI526X, then written value and start
|
|
*/
|
|
|
|
static void update_cr6(u32 cr6_data, unsigned long ioaddr)
|
|
{
|
|
|
|
outl(cr6_data, ioaddr + DCR6);
|
|
udelay(5);
|
|
}
|
|
|
|
|
|
/*
|
|
* Send a setup frame for M5261/M5263
|
|
* This setup frame initialize ULI526X address filter mode
|
|
*/
|
|
|
|
static void send_filter_frame(struct net_device *dev, int mc_cnt)
|
|
{
|
|
struct uli526x_board_info *db = netdev_priv(dev);
|
|
struct dev_mc_list *mcptr;
|
|
struct tx_desc *txptr;
|
|
u16 * addrptr;
|
|
u32 * suptr;
|
|
int i;
|
|
|
|
ULI526X_DBUG(0, "send_filter_frame()", 0);
|
|
|
|
txptr = db->tx_insert_ptr;
|
|
suptr = (u32 *) txptr->tx_buf_ptr;
|
|
|
|
/* Node address */
|
|
addrptr = (u16 *) dev->dev_addr;
|
|
*suptr++ = addrptr[0];
|
|
*suptr++ = addrptr[1];
|
|
*suptr++ = addrptr[2];
|
|
|
|
/* broadcast address */
|
|
*suptr++ = 0xffff;
|
|
*suptr++ = 0xffff;
|
|
*suptr++ = 0xffff;
|
|
|
|
/* fit the multicast address */
|
|
for (mcptr = dev->mc_list, i = 0; i < mc_cnt; i++, mcptr = mcptr->next) {
|
|
addrptr = (u16 *) mcptr->dmi_addr;
|
|
*suptr++ = addrptr[0];
|
|
*suptr++ = addrptr[1];
|
|
*suptr++ = addrptr[2];
|
|
}
|
|
|
|
for (; i<14; i++) {
|
|
*suptr++ = 0xffff;
|
|
*suptr++ = 0xffff;
|
|
*suptr++ = 0xffff;
|
|
}
|
|
|
|
/* prepare the setup frame */
|
|
db->tx_insert_ptr = txptr->next_tx_desc;
|
|
txptr->tdes1 = cpu_to_le32(0x890000c0);
|
|
|
|
/* Resource Check and Send the setup packet */
|
|
if (db->tx_packet_cnt < TX_DESC_CNT) {
|
|
/* Resource Empty */
|
|
db->tx_packet_cnt++;
|
|
txptr->tdes0 = cpu_to_le32(0x80000000);
|
|
update_cr6(db->cr6_data | 0x2000, dev->base_addr);
|
|
outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */
|
|
update_cr6(db->cr6_data, dev->base_addr);
|
|
dev->trans_start = jiffies;
|
|
} else
|
|
printk(KERN_ERR DRV_NAME ": No Tx resource - Send_filter_frame!\n");
|
|
}
|
|
|
|
|
|
/*
|
|
* Allocate rx buffer,
|
|
* As possible as allocate maxiumn Rx buffer
|
|
*/
|
|
|
|
static void allocate_rx_buffer(struct uli526x_board_info *db)
|
|
{
|
|
struct rx_desc *rxptr;
|
|
struct sk_buff *skb;
|
|
|
|
rxptr = db->rx_insert_ptr;
|
|
|
|
while(db->rx_avail_cnt < RX_DESC_CNT) {
|
|
if ( ( skb = dev_alloc_skb(RX_ALLOC_SIZE) ) == NULL )
|
|
break;
|
|
rxptr->rx_skb_ptr = skb; /* FIXME (?) */
|
|
rxptr->rdes2 = cpu_to_le32( pci_map_single(db->pdev, skb->tail, RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE) );
|
|
wmb();
|
|
rxptr->rdes0 = cpu_to_le32(0x80000000);
|
|
rxptr = rxptr->next_rx_desc;
|
|
db->rx_avail_cnt++;
|
|
}
|
|
|
|
db->rx_insert_ptr = rxptr;
|
|
}
|
|
|
|
|
|
/*
|
|
* Read one word data from the serial ROM
|
|
*/
|
|
|
|
static u16 read_srom_word(long ioaddr, int offset)
|
|
{
|
|
int i;
|
|
u16 srom_data = 0;
|
|
long cr9_ioaddr = ioaddr + DCR9;
|
|
|
|
outl(CR9_SROM_READ, cr9_ioaddr);
|
|
outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr);
|
|
|
|
/* Send the Read Command 110b */
|
|
SROM_CLK_WRITE(SROM_DATA_1, cr9_ioaddr);
|
|
SROM_CLK_WRITE(SROM_DATA_1, cr9_ioaddr);
|
|
SROM_CLK_WRITE(SROM_DATA_0, cr9_ioaddr);
|
|
|
|
/* Send the offset */
|
|
for (i = 5; i >= 0; i--) {
|
|
srom_data = (offset & (1 << i)) ? SROM_DATA_1 : SROM_DATA_0;
|
|
SROM_CLK_WRITE(srom_data, cr9_ioaddr);
|
|
}
|
|
|
|
outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr);
|
|
|
|
for (i = 16; i > 0; i--) {
|
|
outl(CR9_SROM_READ | CR9_SRCS | CR9_SRCLK, cr9_ioaddr);
|
|
udelay(5);
|
|
srom_data = (srom_data << 1) | ((inl(cr9_ioaddr) & CR9_CRDOUT) ? 1 : 0);
|
|
outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr);
|
|
udelay(5);
|
|
}
|
|
|
|
outl(CR9_SROM_READ, cr9_ioaddr);
|
|
return srom_data;
|
|
}
|
|
|
|
|
|
/*
|
|
* Auto sense the media mode
|
|
*/
|
|
|
|
static u8 uli526x_sense_speed(struct uli526x_board_info * db)
|
|
{
|
|
u8 ErrFlag = 0;
|
|
u16 phy_mode;
|
|
|
|
phy_mode = phy_read(db->ioaddr, db->phy_addr, 1, db->chip_id);
|
|
phy_mode = phy_read(db->ioaddr, db->phy_addr, 1, db->chip_id);
|
|
|
|
if ( (phy_mode & 0x24) == 0x24 ) {
|
|
|
|
phy_mode = ((phy_read(db->ioaddr, db->phy_addr, 5, db->chip_id) & 0x01e0)<<7);
|
|
if(phy_mode&0x8000)
|
|
phy_mode = 0x8000;
|
|
else if(phy_mode&0x4000)
|
|
phy_mode = 0x4000;
|
|
else if(phy_mode&0x2000)
|
|
phy_mode = 0x2000;
|
|
else
|
|
phy_mode = 0x1000;
|
|
|
|
/* printk(DRV_NAME ": Phy_mode %x ",phy_mode); */
|
|
switch (phy_mode) {
|
|
case 0x1000: db->op_mode = ULI526X_10MHF; break;
|
|
case 0x2000: db->op_mode = ULI526X_10MFD; break;
|
|
case 0x4000: db->op_mode = ULI526X_100MHF; break;
|
|
case 0x8000: db->op_mode = ULI526X_100MFD; break;
|
|
default: db->op_mode = ULI526X_10MHF; ErrFlag = 1; break;
|
|
}
|
|
} else {
|
|
db->op_mode = ULI526X_10MHF;
|
|
ULI526X_DBUG(0, "Link Failed :", phy_mode);
|
|
ErrFlag = 1;
|
|
}
|
|
|
|
return ErrFlag;
|
|
}
|
|
|
|
|
|
/*
|
|
* Set 10/100 phyxcer capability
|
|
* AUTO mode : phyxcer register4 is NIC capability
|
|
* Force mode: phyxcer register4 is the force media
|
|
*/
|
|
|
|
static void uli526x_set_phyxcer(struct uli526x_board_info *db)
|
|
{
|
|
u16 phy_reg;
|
|
|
|
/* Phyxcer capability setting */
|
|
phy_reg = phy_read(db->ioaddr, db->phy_addr, 4, db->chip_id) & ~0x01e0;
|
|
|
|
if (db->media_mode & ULI526X_AUTO) {
|
|
/* AUTO Mode */
|
|
phy_reg |= db->PHY_reg4;
|
|
} else {
|
|
/* Force Mode */
|
|
switch(db->media_mode) {
|
|
case ULI526X_10MHF: phy_reg |= 0x20; break;
|
|
case ULI526X_10MFD: phy_reg |= 0x40; break;
|
|
case ULI526X_100MHF: phy_reg |= 0x80; break;
|
|
case ULI526X_100MFD: phy_reg |= 0x100; break;
|
|
}
|
|
|
|
}
|
|
|
|
/* Write new capability to Phyxcer Reg4 */
|
|
if ( !(phy_reg & 0x01e0)) {
|
|
phy_reg|=db->PHY_reg4;
|
|
db->media_mode|=ULI526X_AUTO;
|
|
}
|
|
phy_write(db->ioaddr, db->phy_addr, 4, phy_reg, db->chip_id);
|
|
|
|
/* Restart Auto-Negotiation */
|
|
phy_write(db->ioaddr, db->phy_addr, 0, 0x1200, db->chip_id);
|
|
udelay(50);
|
|
}
|
|
|
|
|
|
/*
|
|
* Process op-mode
|
|
AUTO mode : PHY controller in Auto-negotiation Mode
|
|
* Force mode: PHY controller in force mode with HUB
|
|
* N-way force capability with SWITCH
|
|
*/
|
|
|
|
static void uli526x_process_mode(struct uli526x_board_info *db)
|
|
{
|
|
u16 phy_reg;
|
|
|
|
/* Full Duplex Mode Check */
|
|
if (db->op_mode & 0x4)
|
|
db->cr6_data |= CR6_FDM; /* Set Full Duplex Bit */
|
|
else
|
|
db->cr6_data &= ~CR6_FDM; /* Clear Full Duplex Bit */
|
|
|
|
update_cr6(db->cr6_data, db->ioaddr);
|
|
|
|
/* 10/100M phyxcer force mode need */
|
|
if ( !(db->media_mode & 0x8)) {
|
|
/* Forece Mode */
|
|
phy_reg = phy_read(db->ioaddr, db->phy_addr, 6, db->chip_id);
|
|
if ( !(phy_reg & 0x1) ) {
|
|
/* parter without N-Way capability */
|
|
phy_reg = 0x0;
|
|
switch(db->op_mode) {
|
|
case ULI526X_10MHF: phy_reg = 0x0; break;
|
|
case ULI526X_10MFD: phy_reg = 0x100; break;
|
|
case ULI526X_100MHF: phy_reg = 0x2000; break;
|
|
case ULI526X_100MFD: phy_reg = 0x2100; break;
|
|
}
|
|
phy_write(db->ioaddr, db->phy_addr, 0, phy_reg, db->chip_id);
|
|
phy_write(db->ioaddr, db->phy_addr, 0, phy_reg, db->chip_id);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Write a word to Phy register
|
|
*/
|
|
|
|
static void phy_write(unsigned long iobase, u8 phy_addr, u8 offset, u16 phy_data, u32 chip_id)
|
|
{
|
|
u16 i;
|
|
unsigned long ioaddr;
|
|
|
|
if(chip_id == PCI_ULI5263_ID)
|
|
{
|
|
phy_writeby_cr10(iobase, phy_addr, offset, phy_data);
|
|
return;
|
|
}
|
|
/* M5261/M5263 Chip */
|
|
ioaddr = iobase + DCR9;
|
|
|
|
/* Send 33 synchronization clock to Phy controller */
|
|
for (i = 0; i < 35; i++)
|
|
phy_write_1bit(ioaddr, PHY_DATA_1, chip_id);
|
|
|
|
/* Send start command(01) to Phy */
|
|
phy_write_1bit(ioaddr, PHY_DATA_0, chip_id);
|
|
phy_write_1bit(ioaddr, PHY_DATA_1, chip_id);
|
|
|
|
/* Send write command(01) to Phy */
|
|
phy_write_1bit(ioaddr, PHY_DATA_0, chip_id);
|
|
phy_write_1bit(ioaddr, PHY_DATA_1, chip_id);
|
|
|
|
/* Send Phy address */
|
|
for (i = 0x10; i > 0; i = i >> 1)
|
|
phy_write_1bit(ioaddr, phy_addr & i ? PHY_DATA_1 : PHY_DATA_0, chip_id);
|
|
|
|
/* Send register address */
|
|
for (i = 0x10; i > 0; i = i >> 1)
|
|
phy_write_1bit(ioaddr, offset & i ? PHY_DATA_1 : PHY_DATA_0, chip_id);
|
|
|
|
/* written trasnition */
|
|
phy_write_1bit(ioaddr, PHY_DATA_1, chip_id);
|
|
phy_write_1bit(ioaddr, PHY_DATA_0, chip_id);
|
|
|
|
/* Write a word data to PHY controller */
|
|
for ( i = 0x8000; i > 0; i >>= 1)
|
|
phy_write_1bit(ioaddr, phy_data & i ? PHY_DATA_1 : PHY_DATA_0, chip_id);
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* Read a word data from phy register
|
|
*/
|
|
|
|
static u16 phy_read(unsigned long iobase, u8 phy_addr, u8 offset, u32 chip_id)
|
|
{
|
|
int i;
|
|
u16 phy_data;
|
|
unsigned long ioaddr;
|
|
|
|
if(chip_id == PCI_ULI5263_ID)
|
|
return phy_readby_cr10(iobase, phy_addr, offset);
|
|
/* M5261/M5263 Chip */
|
|
ioaddr = iobase + DCR9;
|
|
|
|
/* Send 33 synchronization clock to Phy controller */
|
|
for (i = 0; i < 35; i++)
|
|
phy_write_1bit(ioaddr, PHY_DATA_1, chip_id);
|
|
|
|
/* Send start command(01) to Phy */
|
|
phy_write_1bit(ioaddr, PHY_DATA_0, chip_id);
|
|
phy_write_1bit(ioaddr, PHY_DATA_1, chip_id);
|
|
|
|
/* Send read command(10) to Phy */
|
|
phy_write_1bit(ioaddr, PHY_DATA_1, chip_id);
|
|
phy_write_1bit(ioaddr, PHY_DATA_0, chip_id);
|
|
|
|
/* Send Phy address */
|
|
for (i = 0x10; i > 0; i = i >> 1)
|
|
phy_write_1bit(ioaddr, phy_addr & i ? PHY_DATA_1 : PHY_DATA_0, chip_id);
|
|
|
|
/* Send register address */
|
|
for (i = 0x10; i > 0; i = i >> 1)
|
|
phy_write_1bit(ioaddr, offset & i ? PHY_DATA_1 : PHY_DATA_0, chip_id);
|
|
|
|
/* Skip transition state */
|
|
phy_read_1bit(ioaddr, chip_id);
|
|
|
|
/* read 16bit data */
|
|
for (phy_data = 0, i = 0; i < 16; i++) {
|
|
phy_data <<= 1;
|
|
phy_data |= phy_read_1bit(ioaddr, chip_id);
|
|
}
|
|
|
|
return phy_data;
|
|
}
|
|
|
|
static u16 phy_readby_cr10(unsigned long iobase, u8 phy_addr, u8 offset)
|
|
{
|
|
unsigned long ioaddr,cr10_value;
|
|
|
|
ioaddr = iobase + DCR10;
|
|
cr10_value = phy_addr;
|
|
cr10_value = (cr10_value<<5) + offset;
|
|
cr10_value = (cr10_value<<16) + 0x08000000;
|
|
outl(cr10_value,ioaddr);
|
|
udelay(1);
|
|
while(1)
|
|
{
|
|
cr10_value = inl(ioaddr);
|
|
if(cr10_value&0x10000000)
|
|
break;
|
|
}
|
|
return (cr10_value&0x0ffff);
|
|
}
|
|
|
|
static void phy_writeby_cr10(unsigned long iobase, u8 phy_addr, u8 offset, u16 phy_data)
|
|
{
|
|
unsigned long ioaddr,cr10_value;
|
|
|
|
ioaddr = iobase + DCR10;
|
|
cr10_value = phy_addr;
|
|
cr10_value = (cr10_value<<5) + offset;
|
|
cr10_value = (cr10_value<<16) + 0x04000000 + phy_data;
|
|
outl(cr10_value,ioaddr);
|
|
udelay(1);
|
|
}
|
|
/*
|
|
* Write one bit data to Phy Controller
|
|
*/
|
|
|
|
static void phy_write_1bit(unsigned long ioaddr, u32 phy_data, u32 chip_id)
|
|
{
|
|
outl(phy_data , ioaddr); /* MII Clock Low */
|
|
udelay(1);
|
|
outl(phy_data | MDCLKH, ioaddr); /* MII Clock High */
|
|
udelay(1);
|
|
outl(phy_data , ioaddr); /* MII Clock Low */
|
|
udelay(1);
|
|
}
|
|
|
|
|
|
/*
|
|
* Read one bit phy data from PHY controller
|
|
*/
|
|
|
|
static u16 phy_read_1bit(unsigned long ioaddr, u32 chip_id)
|
|
{
|
|
u16 phy_data;
|
|
|
|
outl(0x50000 , ioaddr);
|
|
udelay(1);
|
|
phy_data = ( inl(ioaddr) >> 19 ) & 0x1;
|
|
outl(0x40000 , ioaddr);
|
|
udelay(1);
|
|
|
|
return phy_data;
|
|
}
|
|
|
|
|
|
static struct pci_device_id uli526x_pci_tbl[] = {
|
|
{ 0x10B9, 0x5261, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_ULI5261_ID },
|
|
{ 0x10B9, 0x5263, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_ULI5263_ID },
|
|
{ 0, }
|
|
};
|
|
MODULE_DEVICE_TABLE(pci, uli526x_pci_tbl);
|
|
|
|
|
|
static struct pci_driver uli526x_driver = {
|
|
.name = "uli526x",
|
|
.id_table = uli526x_pci_tbl,
|
|
.probe = uli526x_init_one,
|
|
.remove = __devexit_p(uli526x_remove_one),
|
|
};
|
|
|
|
MODULE_AUTHOR("Peer Chen, peer.chen@uli.com.tw");
|
|
MODULE_DESCRIPTION("ULi M5261/M5263 fast ethernet driver");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
module_param(debug, int, 0644);
|
|
module_param(mode, int, 0);
|
|
module_param(cr6set, int, 0);
|
|
MODULE_PARM_DESC(debug, "ULi M5261/M5263 enable debugging (0-1)");
|
|
MODULE_PARM_DESC(mode, "ULi M5261/M5263: Bit 0: 10/100Mbps, bit 2: duplex, bit 8: HomePNA");
|
|
|
|
/* Description:
|
|
* when user used insmod to add module, system invoked init_module()
|
|
* to register the services.
|
|
*/
|
|
|
|
static int __init uli526x_init_module(void)
|
|
{
|
|
int rc;
|
|
|
|
printk(version);
|
|
printed_version = 1;
|
|
|
|
ULI526X_DBUG(0, "init_module() ", debug);
|
|
|
|
if (debug)
|
|
uli526x_debug = debug; /* set debug flag */
|
|
if (cr6set)
|
|
uli526x_cr6_user_set = cr6set;
|
|
|
|
switch(mode) {
|
|
case ULI526X_10MHF:
|
|
case ULI526X_100MHF:
|
|
case ULI526X_10MFD:
|
|
case ULI526X_100MFD:
|
|
uli526x_media_mode = mode;
|
|
break;
|
|
default:uli526x_media_mode = ULI526X_AUTO;
|
|
break;
|
|
}
|
|
|
|
rc = pci_module_init(&uli526x_driver);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* Description:
|
|
* when user used rmmod to delete module, system invoked clean_module()
|
|
* to un-register all registered services.
|
|
*/
|
|
|
|
static void __exit uli526x_cleanup_module(void)
|
|
{
|
|
ULI526X_DBUG(0, "uli526x_clean_module() ", debug);
|
|
pci_unregister_driver(&uli526x_driver);
|
|
}
|
|
|
|
module_init(uli526x_init_module);
|
|
module_exit(uli526x_cleanup_module);
|