tulip_core.c
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- /* tulip_core.c: A DEC 21x4x-family ethernet driver for Linux. */
- /*
- Maintained by Jeff Garzik <jgarzik@mandrakesoft.com>
- Copyright 2000,2001 The Linux Kernel Team
- Written/copyright 1994-2001 by Donald Becker.
- This software may be used and distributed according to the terms
- of the GNU General Public License, incorporated herein by reference.
- Please refer to Documentation/DocBook/tulip.{pdf,ps,html}
- for more information on this driver, or visit the project
- Web page at http://sourceforge.net/projects/tulip/
- */
- #define DRV_NAME "tulip"
- #define DRV_VERSION "0.9.15-pre9"
- #define DRV_RELDATE "Nov 6, 2001"
- #include <linux/config.h>
- #include <linux/module.h>
- #include "tulip.h"
- #include <linux/pci.h>
- #include <linux/init.h>
- #include <linux/etherdevice.h>
- #include <linux/delay.h>
- #include <linux/mii.h>
- #include <linux/ethtool.h>
- #include <asm/unaligned.h>
- #include <asm/uaccess.h>
- #ifdef __sparc__
- #include <asm/pbm.h>
- #endif
- static char version[] __devinitdata =
- "Linux Tulip driver version " DRV_VERSION " (" DRV_RELDATE ")n";
- /* A few user-configurable values. */
- /* Maximum events (Rx packets, etc.) to handle at each interrupt. */
- static unsigned int max_interrupt_work = 25;
- #define MAX_UNITS 8
- /* Used to pass the full-duplex flag, etc. */
- static int full_duplex[MAX_UNITS];
- static int options[MAX_UNITS];
- static int mtu[MAX_UNITS]; /* Jumbo MTU for interfaces. */
- /* The possible media types that can be set in options[] are: */
- const char * const medianame[32] = {
- "10baseT", "10base2", "AUI", "100baseTx",
- "10baseT-FDX", "100baseTx-FDX", "100baseT4", "100baseFx",
- "100baseFx-FDX", "MII 10baseT", "MII 10baseT-FDX", "MII",
- "10baseT(forced)", "MII 100baseTx", "MII 100baseTx-FDX", "MII 100baseT4",
- "MII 100baseFx-HDX", "MII 100baseFx-FDX", "Home-PNA 1Mbps", "Invalid-19",
- "","","","", "","","","", "","","","Transceiver reset",
- };
- /* Set the copy breakpoint for the copy-only-tiny-buffer Rx structure. */
- #if defined(__alpha__) || defined(__arm__) || defined(__hppa__)
- || defined(__sparc_) || defined(__ia64__)
- || defined(__sh__) || defined(__mips__)
- static int rx_copybreak = 1518;
- #else
- static int rx_copybreak = 100;
- #endif
- /*
- Set the bus performance register.
- Typical: Set 16 longword cache alignment, no burst limit.
- Cache alignment bits 15:14 Burst length 13:8
- 0000 No alignment 0x00000000 unlimited 0800 8 longwords
- 4000 8 longwords 0100 1 longword 1000 16 longwords
- 8000 16 longwords 0200 2 longwords 2000 32 longwords
- C000 32 longwords 0400 4 longwords
- Warning: many older 486 systems are broken and require setting 0x00A04800
- 8 longword cache alignment, 8 longword burst.
- ToDo: Non-Intel setting could be better.
- */
- #if defined(__alpha__) || defined(__ia64__) || defined(__x86_64__)
- static int csr0 = 0x01A00000 | 0xE000;
- #elif defined(__i386__) || defined(__powerpc__)
- static int csr0 = 0x01A00000 | 0x8000;
- #elif defined(__sparc__) || defined(__hppa__)
- /* The UltraSparc PCI controllers will disconnect at every 64-byte
- * crossing anyways so it makes no sense to tell Tulip to burst
- * any more than that.
- */
- static int csr0 = 0x01A00000 | 0x9000;
- #elif defined(__arm__) || defined(__sh__)
- static int csr0 = 0x01A00000 | 0x4800;
- #else
- #warning Processor architecture undefined!
- static int csr0 = 0x00A00000 | 0x4800;
- #endif
- /* Operational parameters that usually are not changed. */
- /* Time in jiffies before concluding the transmitter is hung. */
- #define TX_TIMEOUT (4*HZ)
- MODULE_AUTHOR("The Linux Kernel Team");
- MODULE_DESCRIPTION("Digital 21*4* Tulip ethernet driver");
- MODULE_LICENSE("GPL");
- MODULE_PARM(tulip_debug, "i");
- MODULE_PARM(max_interrupt_work, "i");
- MODULE_PARM(rx_copybreak, "i");
- MODULE_PARM(csr0, "i");
- MODULE_PARM(options, "1-" __MODULE_STRING(MAX_UNITS) "i");
- MODULE_PARM(full_duplex, "1-" __MODULE_STRING(MAX_UNITS) "i");
- #define PFX DRV_NAME ": "
- #ifdef TULIP_DEBUG
- int tulip_debug = TULIP_DEBUG;
- #else
- int tulip_debug = 1;
- #endif
- /*
- * This table use during operation for capabilities and media timer.
- *
- * It is indexed via the values in 'enum chips'
- */
- struct tulip_chip_table tulip_tbl[] = {
- /* DC21040 */
- { "Digital DC21040 Tulip", 128, 0x0001ebef, 0, tulip_timer },
- /* DC21041 */
- { "Digital DC21041 Tulip", 128, 0x0001ebef,
- HAS_MEDIA_TABLE | HAS_NWAY, tulip_timer },
- /* DC21140 */
- { "Digital DS21140 Tulip", 128, 0x0001ebef,
- HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM | HAS_PCI_MWI, tulip_timer },
- /* DC21142, DC21143 */
- { "Digital DS21143 Tulip", 128, 0x0801fbff,
- HAS_MII | HAS_MEDIA_TABLE | ALWAYS_CHECK_MII | HAS_ACPI | HAS_NWAY
- | HAS_INTR_MITIGATION | HAS_PCI_MWI, t21142_timer },
- /* LC82C168 */
- { "Lite-On 82c168 PNIC", 256, 0x0001fbef,
- HAS_MII | HAS_PNICNWAY, pnic_timer },
- /* MX98713 */
- { "Macronix 98713 PMAC", 128, 0x0001ebef,
- HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM, mxic_timer },
- /* MX98715 */
- { "Macronix 98715 PMAC", 256, 0x0001ebef,
- HAS_MEDIA_TABLE, mxic_timer },
- /* MX98725 */
- { "Macronix 98725 PMAC", 256, 0x0001ebef,
- HAS_MEDIA_TABLE, mxic_timer },
- /* AX88140 */
- { "ASIX AX88140", 128, 0x0001fbff,
- HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM | MC_HASH_ONLY
- | IS_ASIX, tulip_timer },
- /* PNIC2 */
- { "Lite-On PNIC-II", 256, 0x0801fbff,
- HAS_MII | HAS_NWAY | HAS_8023X | HAS_PCI_MWI, pnic2_timer },
- /* COMET */
- { "ADMtek Comet", 256, 0x0001abef,
- MC_HASH_ONLY | COMET_MAC_ADDR, comet_timer },
- /* COMPEX9881 */
- { "Compex 9881 PMAC", 128, 0x0001ebef,
- HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM, mxic_timer },
- /* I21145 */
- { "Intel DS21145 Tulip", 128, 0x0801fbff,
- HAS_MII | HAS_MEDIA_TABLE | ALWAYS_CHECK_MII | HAS_ACPI
- | HAS_NWAY | HAS_PCI_MWI, t21142_timer },
- /* DM910X */
- { "Davicom DM9102/DM9102A", 128, 0x0001ebef,
- HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM | HAS_ACPI,
- tulip_timer },
- };
- static struct pci_device_id tulip_pci_tbl[] __devinitdata = {
- { 0x1011, 0x0002, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DC21040 },
- { 0x1011, 0x0014, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DC21041 },
- { 0x1011, 0x0009, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DC21140 },
- { 0x1011, 0x0019, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DC21143 },
- { 0x11AD, 0x0002, PCI_ANY_ID, PCI_ANY_ID, 0, 0, LC82C168 },
- { 0x10d9, 0x0512, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MX98713 },
- { 0x10d9, 0x0531, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MX98715 },
- /* { 0x10d9, 0x0531, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MX98725 },*/
- { 0x125B, 0x1400, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AX88140 },
- { 0x11AD, 0xc115, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PNIC2 },
- { 0x1317, 0x0981, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
- { 0x1317, 0x0985, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
- { 0x1317, 0x1985, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
- { 0x13D1, 0xAB02, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
- { 0x13D1, 0xAB03, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
- { 0x13D1, 0xAB08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
- { 0x104A, 0x0981, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
- { 0x104A, 0x2774, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
- { 0x11F6, 0x9881, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMPEX9881 },
- { 0x8086, 0x0039, PCI_ANY_ID, PCI_ANY_ID, 0, 0, I21145 },
- { 0x1282, 0x9100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DM910X },
- { 0x1282, 0x9102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DM910X },
- { 0x1113, 0x1216, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
- { 0x1113, 0x1217, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MX98715 },
- { 0x1113, 0x9511, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
- { } /* terminate list */
- };
- MODULE_DEVICE_TABLE(pci, tulip_pci_tbl);
- /* A full-duplex map for media types. */
- const char tulip_media_cap[32] =
- {0,0,0,16, 3,19,16,24, 27,4,7,5, 0,20,23,20, 28,31,0,0, };
- u8 t21040_csr13[] = {2,0x0C,8,4, 4,0,0,0, 0,0,0,0, 4,0,0,0};
- /* 21041 transceiver register settings: 10-T, 10-2, AUI, 10-T, 10T-FD*/
- u16 t21041_csr13[] = {
- csr13_mask_10bt, /* 10-T */
- csr13_mask_auibnc, /* 10-2 */
- csr13_mask_auibnc, /* AUI */
- csr13_mask_10bt, /* 10-T */
- csr13_mask_10bt, /* 10T-FD */
- };
- u16 t21041_csr14[] = { 0xFFFF, 0xF7FD, 0xF7FD, 0x7F3F, 0x7F3D, };
- u16 t21041_csr15[] = { 0x0008, 0x0006, 0x000E, 0x0008, 0x0008, };
- static void tulip_tx_timeout(struct net_device *dev);
- static void tulip_init_ring(struct net_device *dev);
- static int tulip_start_xmit(struct sk_buff *skb, struct net_device *dev);
- static int tulip_open(struct net_device *dev);
- static int tulip_close(struct net_device *dev);
- static void tulip_up(struct net_device *dev);
- static void tulip_down(struct net_device *dev);
- static struct net_device_stats *tulip_get_stats(struct net_device *dev);
- static int private_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
- static void set_rx_mode(struct net_device *dev);
- static void tulip_set_power_state (struct tulip_private *tp,
- int sleep, int snooze)
- {
- if (tp->flags & HAS_ACPI) {
- u32 tmp, newtmp;
- pci_read_config_dword (tp->pdev, CFDD, &tmp);
- newtmp = tmp & ~(CFDD_Sleep | CFDD_Snooze);
- if (sleep)
- newtmp |= CFDD_Sleep;
- else if (snooze)
- newtmp |= CFDD_Snooze;
- if (tmp != newtmp)
- pci_write_config_dword (tp->pdev, CFDD, newtmp);
- }
- }
- static void tulip_up(struct net_device *dev)
- {
- struct tulip_private *tp = (struct tulip_private *)dev->priv;
- long ioaddr = dev->base_addr;
- int next_tick = 3*HZ;
- int i;
- /* Wake the chip from sleep/snooze mode. */
- tulip_set_power_state (tp, 0, 0);
- /* On some chip revs we must set the MII/SYM port before the reset!? */
- if (tp->mii_cnt || (tp->mtable && tp->mtable->has_mii))
- outl(0x00040000, ioaddr + CSR6);
- /* Reset the chip, holding bit 0 set at least 50 PCI cycles. */
- outl(0x00000001, ioaddr + CSR0);
- udelay(100);
- /* Deassert reset.
- Wait the specified 50 PCI cycles after a reset by initializing
- Tx and Rx queues and the address filter list. */
- outl(tp->csr0, ioaddr + CSR0);
- udelay(100);
- if (tulip_debug > 1)
- printk(KERN_DEBUG "%s: tulip_up(), irq==%d.n", dev->name, dev->irq);
- outl(tp->rx_ring_dma, ioaddr + CSR3);
- outl(tp->tx_ring_dma, ioaddr + CSR4);
- tp->cur_rx = tp->cur_tx = 0;
- tp->dirty_rx = tp->dirty_tx = 0;
- if (tp->flags & MC_HASH_ONLY) {
- u32 addr_low = cpu_to_le32(get_unaligned((u32 *)dev->dev_addr));
- u32 addr_high = cpu_to_le32(get_unaligned((u16 *)(dev->dev_addr+4)));
- if (tp->chip_id == AX88140) {
- outl(0, ioaddr + CSR13);
- outl(addr_low, ioaddr + CSR14);
- outl(1, ioaddr + CSR13);
- outl(addr_high, ioaddr + CSR14);
- } else if (tp->flags & COMET_MAC_ADDR) {
- outl(addr_low, ioaddr + 0xA4);
- outl(addr_high, ioaddr + 0xA8);
- outl(0, ioaddr + 0xAC);
- outl(0, ioaddr + 0xB0);
- }
- } else {
- /* This is set_rx_mode(), but without starting the transmitter. */
- u16 *eaddrs = (u16 *)dev->dev_addr;
- u16 *setup_frm = &tp->setup_frame[15*6];
- dma_addr_t mapping;
- /* 21140 bug: you must add the broadcast address. */
- memset(tp->setup_frame, 0xff, sizeof(tp->setup_frame));
- /* Fill the final entry of the table with our physical address. */
- *setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[0];
- *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1];
- *setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2];
- mapping = pci_map_single(tp->pdev, tp->setup_frame,
- sizeof(tp->setup_frame),
- PCI_DMA_TODEVICE);
- tp->tx_buffers[tp->cur_tx].skb = NULL;
- tp->tx_buffers[tp->cur_tx].mapping = mapping;
- /* Put the setup frame on the Tx list. */
- tp->tx_ring[tp->cur_tx].length = cpu_to_le32(0x08000000 | 192);
- tp->tx_ring[tp->cur_tx].buffer1 = cpu_to_le32(mapping);
- tp->tx_ring[tp->cur_tx].status = cpu_to_le32(DescOwned);
- tp->cur_tx++;
- }
- tp->saved_if_port = dev->if_port;
- if (dev->if_port == 0)
- dev->if_port = tp->default_port;
- /* Allow selecting a default media. */
- i = 0;
- if (tp->mtable == NULL)
- goto media_picked;
- if (dev->if_port) {
- int looking_for = tulip_media_cap[dev->if_port] & MediaIsMII ? 11 :
- (dev->if_port == 12 ? 0 : dev->if_port);
- for (i = 0; i < tp->mtable->leafcount; i++)
- if (tp->mtable->mleaf[i].media == looking_for) {
- printk(KERN_INFO "%s: Using user-specified media %s.n",
- dev->name, medianame[dev->if_port]);
- goto media_picked;
- }
- }
- if ((tp->mtable->defaultmedia & 0x0800) == 0) {
- int looking_for = tp->mtable->defaultmedia & MEDIA_MASK;
- for (i = 0; i < tp->mtable->leafcount; i++)
- if (tp->mtable->mleaf[i].media == looking_for) {
- printk(KERN_INFO "%s: Using EEPROM-set media %s.n",
- dev->name, medianame[looking_for]);
- goto media_picked;
- }
- }
- /* Start sensing first non-full-duplex media. */
- for (i = tp->mtable->leafcount - 1;
- (tulip_media_cap[tp->mtable->mleaf[i].media] & MediaAlwaysFD) && i > 0; i--)
- ;
- media_picked:
- tp->csr6 = 0;
- tp->cur_index = i;
- tp->nwayset = 0;
- if (dev->if_port) {
- if (tp->chip_id == DC21143 &&
- (tulip_media_cap[dev->if_port] & MediaIsMII)) {
- /* We must reset the media CSRs when we force-select MII mode. */
- outl(0x0000, ioaddr + CSR13);
- outl(0x0000, ioaddr + CSR14);
- outl(0x0008, ioaddr + CSR15);
- }
- tulip_select_media(dev, 1);
- } else if (tp->chip_id == DC21041) {
- dev->if_port = 0;
- tp->nway = tp->mediasense = 1;
- tp->nwayset = tp->lpar = 0;
- outl(0x00000000, ioaddr + CSR13);
- outl(0xFFFFFFFF, ioaddr + CSR14);
- outl(0x00000008, ioaddr + CSR15); /* Listen on AUI also. */
- tp->csr6 = 0x80020000;
- if (tp->sym_advertise & 0x0040)
- tp->csr6 |= FullDuplex;
- outl(tp->csr6, ioaddr + CSR6);
- outl(0x0000EF01, ioaddr + CSR13);
- } else if (tp->chip_id == DC21142) {
- if (tp->mii_cnt) {
- tulip_select_media(dev, 1);
- if (tulip_debug > 1)
- printk(KERN_INFO "%s: Using MII transceiver %d, status "
- "%4.4x.n",
- dev->name, tp->phys[0], tulip_mdio_read(dev, tp->phys[0], 1));
- outl(csr6_mask_defstate, ioaddr + CSR6);
- tp->csr6 = csr6_mask_hdcap;
- dev->if_port = 11;
- outl(0x0000, ioaddr + CSR13);
- outl(0x0000, ioaddr + CSR14);
- } else
- t21142_start_nway(dev);
- } else if (tp->chip_id == PNIC2) {
- /* for initial startup advertise 10/100 Full and Half */
- tp->sym_advertise = 0x01E0;
- /* enable autonegotiate end interrupt */
- outl(inl(ioaddr+CSR5)| 0x00008010, ioaddr + CSR5);
- outl(inl(ioaddr+CSR7)| 0x00008010, ioaddr + CSR7);
- pnic2_start_nway(dev);
- } else if (tp->chip_id == LC82C168 && ! tp->medialock) {
- if (tp->mii_cnt) {
- dev->if_port = 11;
- tp->csr6 = 0x814C0000 | (tp->full_duplex ? 0x0200 : 0);
- outl(0x0001, ioaddr + CSR15);
- } else if (inl(ioaddr + CSR5) & TPLnkPass)
- pnic_do_nway(dev);
- else {
- /* Start with 10mbps to do autonegotiation. */
- outl(0x32, ioaddr + CSR12);
- tp->csr6 = 0x00420000;
- outl(0x0001B078, ioaddr + 0xB8);
- outl(0x0201B078, ioaddr + 0xB8);
- next_tick = 1*HZ;
- }
- } else if ((tp->chip_id == MX98713 || tp->chip_id == COMPEX9881)
- && ! tp->medialock) {
- dev->if_port = 0;
- tp->csr6 = 0x01880000 | (tp->full_duplex ? 0x0200 : 0);
- outl(0x0f370000 | inw(ioaddr + 0x80), ioaddr + 0x80);
- } else if (tp->chip_id == MX98715 || tp->chip_id == MX98725) {
- /* Provided by BOLO, Macronix - 12/10/1998. */
- dev->if_port = 0;
- tp->csr6 = 0x01a80200;
- outl(0x0f370000 | inw(ioaddr + 0x80), ioaddr + 0x80);
- outl(0x11000 | inw(ioaddr + 0xa0), ioaddr + 0xa0);
- } else if (tp->chip_id == COMET) {
- /* Enable automatic Tx underrun recovery. */
- outl(inl(ioaddr + 0x88) | 1, ioaddr + 0x88);
- dev->if_port = tp->mii_cnt ? 11 : 0;
- tp->csr6 = 0x00040000;
- } else if (tp->chip_id == AX88140) {
- tp->csr6 = tp->mii_cnt ? 0x00040100 : 0x00000100;
- } else
- tulip_select_media(dev, 1);
- /* Start the chip's Tx to process setup frame. */
- tulip_stop_rxtx(tp);
- barrier();
- udelay(5);
- outl(tp->csr6 | TxOn, ioaddr + CSR6);
- /* Enable interrupts by setting the interrupt mask. */
- outl(tulip_tbl[tp->chip_id].valid_intrs, ioaddr + CSR5);
- outl(tulip_tbl[tp->chip_id].valid_intrs, ioaddr + CSR7);
- tulip_start_rxtx(tp);
- outl(0, ioaddr + CSR2); /* Rx poll demand */
- if (tulip_debug > 2) {
- printk(KERN_DEBUG "%s: Done tulip_up(), CSR0 %8.8x, CSR5 %8.8x CSR6 %8.8x.n",
- dev->name, inl(ioaddr + CSR0), inl(ioaddr + CSR5),
- inl(ioaddr + CSR6));
- }
- /* Set the timer to switch to check for link beat and perhaps switch
- to an alternate media type. */
- tp->timer.expires = RUN_AT(next_tick);
- add_timer(&tp->timer);
- }
- #ifdef CONFIG_NET_HW_FLOWCONTROL
- /* Enable receiver */
- void tulip_xon(struct net_device *dev)
- {
- struct tulip_private *tp = (struct tulip_private *)dev->priv;
- clear_bit(tp->fc_bit, &netdev_fc_xoff);
- if (netif_running(dev)){
- tulip_refill_rx(dev);
- outl(tulip_tbl[tp->chip_id].valid_intrs, dev->base_addr+CSR7);
- }
- }
- #endif
- static int
- tulip_open(struct net_device *dev)
- {
- #ifdef CONFIG_NET_HW_FLOWCONTROL
- struct tulip_private *tp = (struct tulip_private *)dev->priv;
- #endif
- int retval;
- MOD_INC_USE_COUNT;
- if ((retval = request_irq(dev->irq, &tulip_interrupt, SA_SHIRQ, dev->name, dev))) {
- MOD_DEC_USE_COUNT;
- return retval;
- }
- tulip_init_ring (dev);
- tulip_up (dev);
- #ifdef CONFIG_NET_HW_FLOWCONTROL
- tp->fc_bit = netdev_register_fc(dev, tulip_xon);
- #endif
- netif_start_queue (dev);
- return 0;
- }
- static void tulip_tx_timeout(struct net_device *dev)
- {
- struct tulip_private *tp = (struct tulip_private *)dev->priv;
- long ioaddr = dev->base_addr;
- unsigned long flags;
- spin_lock_irqsave (&tp->lock, flags);
- if (tulip_media_cap[dev->if_port] & MediaIsMII) {
- /* Do nothing -- the media monitor should handle this. */
- if (tulip_debug > 1)
- printk(KERN_WARNING "%s: Transmit timeout using MII device.n",
- dev->name);
- } else if (tp->chip_id == DC21040) {
- if ( !tp->medialock && inl(ioaddr + CSR12) & 0x0002) {
- dev->if_port = (dev->if_port == 2 ? 0 : 2);
- printk(KERN_INFO "%s: 21040 transmit timed out, switching to "
- "%s.n",
- dev->name, medianame[dev->if_port]);
- tulip_select_media(dev, 0);
- }
- goto out;
- } else if (tp->chip_id == DC21041) {
- int csr12 = inl(ioaddr + CSR12);
- printk(KERN_WARNING "%s: 21041 transmit timed out, status %8.8x, "
- "CSR12 %8.8x, CSR13 %8.8x, CSR14 %8.8x, resetting...n",
- dev->name, inl(ioaddr + CSR5), csr12,
- inl(ioaddr + CSR13), inl(ioaddr + CSR14));
- tp->mediasense = 1;
- if ( ! tp->medialock) {
- if (dev->if_port == 1 || dev->if_port == 2)
- if (csr12 & 0x0004) {
- dev->if_port = 2 - dev->if_port;
- } else
- dev->if_port = 0;
- else
- dev->if_port = 1;
- tulip_select_media(dev, 0);
- }
- } else if (tp->chip_id == DC21140 || tp->chip_id == DC21142
- || tp->chip_id == MX98713 || tp->chip_id == COMPEX9881
- || 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, inl(ioaddr + CSR5), inl(ioaddr + CSR12),
- inl(ioaddr + CSR13), inl(ioaddr + CSR14), inl(ioaddr + CSR15));
- if ( ! tp->medialock && tp->mtable) {
- do
- --tp->cur_index;
- while (tp->cur_index >= 0
- && (tulip_media_cap[tp->mtable->mleaf[tp->cur_index].media]
- & MediaIsFD));
- if (--tp->cur_index < 0) {
- /* We start again, but should instead look for default. */
- tp->cur_index = tp->mtable->leafcount - 1;
- }
- tulip_select_media(dev, 0);
- printk(KERN_WARNING "%s: transmit timed out, switching to %s "
- "media.n", dev->name, medianame[dev->if_port]);
- }
- } else if (tp->chip_id == PNIC2) {
- printk(KERN_WARNING "%s: PNIC2 transmit timed out, status %8.8x, "
- "CSR6/7 %8.8x / %8.8x CSR12 %8.8x, resetting...n",
- dev->name, (int)inl(ioaddr + CSR5), (int)inl(ioaddr + CSR6),
- (int)inl(ioaddr + CSR7), (int)inl(ioaddr + CSR12));
- } else {
- printk(KERN_WARNING "%s: Transmit timed out, status %8.8x, CSR12 "
- "%8.8x, resetting...n",
- dev->name, inl(ioaddr + CSR5), inl(ioaddr + CSR12));
- dev->if_port = 0;
- }
- #if defined(way_too_many_messages)
- if (tulip_debug > 3) {
- int i;
- for (i = 0; i < RX_RING_SIZE; i++) {
- u8 *buf = (u8 *)(tp->rx_ring[i].buffer1);
- int j;
- printk(KERN_DEBUG "%2d: %8.8x %8.8x %8.8x %8.8x "
- "%2.2x %2.2x %2.2x.n",
- i, (unsigned int)tp->rx_ring[i].status,
- (unsigned int)tp->rx_ring[i].length,
- (unsigned int)tp->rx_ring[i].buffer1,
- (unsigned int)tp->rx_ring[i].buffer2,
- buf[0], buf[1], buf[2]);
- for (j = 0; buf[j] != 0xee && j < 1600; j++)
- if (j < 100) printk(" %2.2x", buf[j]);
- printk(" j=%d.n", j);
- }
- printk(KERN_DEBUG " Rx ring %8.8x: ", (int)tp->rx_ring);
- for (i = 0; i < RX_RING_SIZE; i++)
- printk(" %8.8x", (unsigned int)tp->rx_ring[i].status);
- printk("n" KERN_DEBUG " Tx ring %8.8x: ", (int)tp->tx_ring);
- for (i = 0; i < TX_RING_SIZE; i++)
- printk(" %8.8x", (unsigned int)tp->tx_ring[i].status);
- printk("n");
- }
- #endif
- /* Stop and restart the chip's Tx processes . */
- #ifdef CONFIG_NET_HW_FLOWCONTROL
- if (tp->fc_bit && test_bit(tp->fc_bit,&netdev_fc_xoff))
- printk("BUG tx_timeout restarting rx when fc onn");
- #endif
- tulip_restart_rxtx(tp);
- /* Trigger an immediate transmit demand. */
- outl(0, ioaddr + CSR1);
- tp->stats.tx_errors++;
- out:
- spin_unlock_irqrestore (&tp->lock, flags);
- dev->trans_start = jiffies;
- netif_wake_queue (dev);
- }
- /* Initialize the Rx and Tx rings, along with various 'dev' bits. */
- static void tulip_init_ring(struct net_device *dev)
- {
- struct tulip_private *tp = (struct tulip_private *)dev->priv;
- int i;
- tp->susp_rx = 0;
- tp->ttimer = 0;
- tp->nir = 0;
- for (i = 0; i < RX_RING_SIZE; i++) {
- tp->rx_ring[i].status = 0x00000000;
- tp->rx_ring[i].length = cpu_to_le32(PKT_BUF_SZ);
- tp->rx_ring[i].buffer2 = cpu_to_le32(tp->rx_ring_dma + sizeof(struct tulip_rx_desc) * (i + 1));
- tp->rx_buffers[i].skb = NULL;
- tp->rx_buffers[i].mapping = 0;
- }
- /* Mark the last entry as wrapping the ring. */
- tp->rx_ring[i-1].length = cpu_to_le32(PKT_BUF_SZ | DESC_RING_WRAP);
- tp->rx_ring[i-1].buffer2 = cpu_to_le32(tp->rx_ring_dma);
- for (i = 0; i < RX_RING_SIZE; i++) {
- dma_addr_t mapping;
- /* Note the receive buffer must be longword aligned.
- dev_alloc_skb() provides 16 byte alignment. But do *not*
- use skb_reserve() to align the IP header! */
- struct sk_buff *skb = dev_alloc_skb(PKT_BUF_SZ);
- tp->rx_buffers[i].skb = skb;
- if (skb == NULL)
- break;
- mapping = pci_map_single(tp->pdev, skb->tail,
- PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
- tp->rx_buffers[i].mapping = mapping;
- skb->dev = dev; /* Mark as being used by this device. */
- tp->rx_ring[i].status = cpu_to_le32(DescOwned); /* Owned by Tulip chip */
- tp->rx_ring[i].buffer1 = cpu_to_le32(mapping);
- }
- tp->dirty_rx = (unsigned int)(i - RX_RING_SIZE);
- /* The Tx buffer descriptor is filled in as needed, but we
- do need to clear the ownership bit. */
- for (i = 0; i < TX_RING_SIZE; i++) {
- tp->tx_buffers[i].skb = NULL;
- tp->tx_buffers[i].mapping = 0;
- tp->tx_ring[i].status = 0x00000000;
- tp->tx_ring[i].buffer2 = cpu_to_le32(tp->tx_ring_dma + sizeof(struct tulip_tx_desc) * (i + 1));
- }
- tp->tx_ring[i-1].buffer2 = cpu_to_le32(tp->tx_ring_dma);
- }
- static int
- tulip_start_xmit(struct sk_buff *skb, struct net_device *dev)
- {
- struct tulip_private *tp = (struct tulip_private *)dev->priv;
- int entry;
- u32 flag;
- dma_addr_t mapping;
- unsigned long eflags;
- spin_lock_irqsave(&tp->lock, eflags);
- /* Calculate the next Tx descriptor entry. */
- entry = tp->cur_tx % TX_RING_SIZE;
- tp->tx_buffers[entry].skb = skb;
- mapping = pci_map_single(tp->pdev, skb->data,
- skb->len, PCI_DMA_TODEVICE);
- tp->tx_buffers[entry].mapping = mapping;
- tp->tx_ring[entry].buffer1 = cpu_to_le32(mapping);
- if (tp->cur_tx - tp->dirty_tx < TX_RING_SIZE/2) {/* Typical path */
- flag = 0x60000000; /* No interrupt */
- } else if (tp->cur_tx - tp->dirty_tx == TX_RING_SIZE/2) {
- flag = 0xe0000000; /* Tx-done intr. */
- } else if (tp->cur_tx - tp->dirty_tx < TX_RING_SIZE - 2) {
- flag = 0x60000000; /* No Tx-done intr. */
- } else { /* Leave room for set_rx_mode() to fill entries. */
- flag = 0xe0000000; /* Tx-done intr. */
- netif_stop_queue(dev);
- }
- if (entry == TX_RING_SIZE-1)
- flag = 0xe0000000 | DESC_RING_WRAP;
- tp->tx_ring[entry].length = cpu_to_le32(skb->len | flag);
- /* if we were using Transmit Automatic Polling, we would need a
- * wmb() here. */
- tp->tx_ring[entry].status = cpu_to_le32(DescOwned);
- wmb();
- tp->cur_tx++;
- /* Trigger an immediate transmit demand. */
- outl(0, dev->base_addr + CSR1);
- spin_unlock_irqrestore(&tp->lock, eflags);
- dev->trans_start = jiffies;
- return 0;
- }
- static void tulip_clean_tx_ring(struct tulip_private *tp)
- {
- unsigned int dirty_tx;
- for (dirty_tx = tp->dirty_tx ; tp->cur_tx - dirty_tx > 0;
- dirty_tx++) {
- int entry = dirty_tx % TX_RING_SIZE;
- int status = le32_to_cpu(tp->tx_ring[entry].status);
- if (status < 0) {
- tp->stats.tx_errors++; /* It wasn't Txed */
- tp->tx_ring[entry].status = 0;
- }
- /* Check for Tx filter setup frames. */
- if (tp->tx_buffers[entry].skb == NULL) {
- /* test because dummy frames not mapped */
- if (tp->tx_buffers[entry].mapping)
- pci_unmap_single(tp->pdev,
- tp->tx_buffers[entry].mapping,
- sizeof(tp->setup_frame),
- PCI_DMA_TODEVICE);
- continue;
- }
- pci_unmap_single(tp->pdev, tp->tx_buffers[entry].mapping,
- tp->tx_buffers[entry].skb->len,
- PCI_DMA_TODEVICE);
- /* Free the original skb. */
- dev_kfree_skb_irq(tp->tx_buffers[entry].skb);
- tp->tx_buffers[entry].skb = NULL;
- tp->tx_buffers[entry].mapping = 0;
- }
- }
- static void tulip_down (struct net_device *dev)
- {
- long ioaddr = dev->base_addr;
- struct tulip_private *tp = (struct tulip_private *) dev->priv;
- unsigned long flags;
- del_timer_sync (&tp->timer);
- spin_lock_irqsave (&tp->lock, flags);
- /* Disable interrupts by clearing the interrupt mask. */
- outl (0x00000000, ioaddr + CSR7);
- /* Stop the Tx and Rx processes. */
- tulip_stop_rxtx(tp);
- /* prepare receive buffers */
- tulip_refill_rx(dev);
- /* release any unconsumed transmit buffers */
- tulip_clean_tx_ring(tp);
- /* 21040 -- Leave the card in 10baseT state. */
- if (tp->chip_id == DC21040)
- outl (0x00000004, ioaddr + CSR13);
- if (inl (ioaddr + CSR6) != 0xffffffff)
- tp->stats.rx_missed_errors += inl (ioaddr + CSR8) & 0xffff;
- spin_unlock_irqrestore (&tp->lock, flags);
- init_timer(&tp->timer);
- tp->timer.data = (unsigned long)dev;
- tp->timer.function = tulip_tbl[tp->chip_id].media_timer;
- dev->if_port = tp->saved_if_port;
- /* Leave the driver in snooze, not sleep, mode. */
- tulip_set_power_state (tp, 0, 1);
- }
- static int tulip_close (struct net_device *dev)
- {
- long ioaddr = dev->base_addr;
- struct tulip_private *tp = (struct tulip_private *) dev->priv;
- int i;
- netif_stop_queue (dev);
- #ifdef CONFIG_NET_HW_FLOWCONTROL
- if (tp->fc_bit) {
- int bit = tp->fc_bit;
- tp->fc_bit = 0;
- netdev_unregister_fc(bit);
- }
- #endif
- tulip_down (dev);
- if (tulip_debug > 1)
- printk (KERN_DEBUG "%s: Shutting down ethercard, status was %2.2x.n",
- dev->name, inl (ioaddr + CSR5));
- free_irq (dev->irq, dev);
- /* Free all the skbuffs in the Rx queue. */
- for (i = 0; i < RX_RING_SIZE; i++) {
- struct sk_buff *skb = tp->rx_buffers[i].skb;
- dma_addr_t mapping = tp->rx_buffers[i].mapping;
- tp->rx_buffers[i].skb = NULL;
- tp->rx_buffers[i].mapping = 0;
- tp->rx_ring[i].status = 0; /* Not owned by Tulip chip. */
- tp->rx_ring[i].length = 0;
- tp->rx_ring[i].buffer1 = 0xBADF00D0; /* An invalid address. */
- if (skb) {
- pci_unmap_single(tp->pdev, mapping, PKT_BUF_SZ,
- PCI_DMA_FROMDEVICE);
- dev_kfree_skb (skb);
- }
- }
- for (i = 0; i < TX_RING_SIZE; i++) {
- struct sk_buff *skb = tp->tx_buffers[i].skb;
- if (skb != NULL) {
- pci_unmap_single(tp->pdev, tp->tx_buffers[i].mapping,
- skb->len, PCI_DMA_TODEVICE);
- dev_kfree_skb (skb);
- }
- tp->tx_buffers[i].skb = NULL;
- tp->tx_buffers[i].mapping = 0;
- }
- MOD_DEC_USE_COUNT;
- return 0;
- }
- static struct net_device_stats *tulip_get_stats(struct net_device *dev)
- {
- struct tulip_private *tp = (struct tulip_private *)dev->priv;
- long ioaddr = dev->base_addr;
- if (netif_running(dev)) {
- unsigned long flags;
- spin_lock_irqsave (&tp->lock, flags);
- tp->stats.rx_missed_errors += inl(ioaddr + CSR8) & 0xffff;
- spin_unlock_irqrestore(&tp->lock, flags);
- }
- return &tp->stats;
- }
- static int netdev_ethtool_ioctl(struct net_device *dev, void *useraddr)
- {
- struct tulip_private *np = dev->priv;
- u32 ethcmd;
- if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd)))
- return -EFAULT;
- switch (ethcmd) {
- case ETHTOOL_GDRVINFO: {
- struct ethtool_drvinfo info = {ETHTOOL_GDRVINFO};
- strcpy(info.driver, DRV_NAME);
- strcpy(info.version, DRV_VERSION);
- strcpy(info.bus_info, np->pdev->slot_name);
- if (copy_to_user(useraddr, &info, sizeof(info)))
- return -EFAULT;
- return 0;
- }
- }
- return -EOPNOTSUPP;
- }
- /* Provide ioctl() calls to examine the MII xcvr state. */
- static int private_ioctl (struct net_device *dev, struct ifreq *rq, int cmd)
- {
- struct tulip_private *tp = dev->priv;
- long ioaddr = dev->base_addr;
- struct mii_ioctl_data *data = (struct mii_ioctl_data *) & rq->ifr_data;
- const unsigned int phy_idx = 0;
- int phy = tp->phys[phy_idx] & 0x1f;
- unsigned int regnum = data->reg_num;
- switch (cmd) {
- case SIOCETHTOOL:
- return netdev_ethtool_ioctl(dev, (void *) rq->ifr_data);
- case SIOCGMIIPHY: /* Get address of MII PHY in use. */
- case SIOCDEVPRIVATE: /* for binary compat, remove in 2.5 */
- if (tp->mii_cnt)
- data->phy_id = phy;
- else if (tp->flags & HAS_NWAY)
- data->phy_id = 32;
- else if (tp->chip_id == COMET)
- data->phy_id = 1;
- else
- return -ENODEV;
- case SIOCGMIIREG: /* Read MII PHY register. */
- case SIOCDEVPRIVATE+1: /* for binary compat, remove in 2.5 */
- if (data->phy_id == 32 && (tp->flags & HAS_NWAY)) {
- int csr12 = inl (ioaddr + CSR12);
- int csr14 = inl (ioaddr + CSR14);
- switch (regnum) {
- case 0:
- if (((csr14<<5) & 0x1000) ||
- (dev->if_port == 5 && tp->nwayset))
- data->val_out = 0x1000;
- else
- data->val_out = (tulip_media_cap[dev->if_port]&MediaIs100 ? 0x2000 : 0)
- | (tulip_media_cap[dev->if_port]&MediaIsFD ? 0x0100 : 0);
- break;
- case 1:
- data->val_out =
- 0x1848 +
- ((csr12&0x7000) == 0x5000 ? 0x20 : 0) +
- ((csr12&0x06) == 6 ? 0 : 4);
- if (tp->chip_id != DC21041)
- data->val_out |= 0x6048;
- break;
- case 4:
- /* Advertised value, bogus 10baseTx-FD value from CSR6. */
- data->val_out =
- ((inl(ioaddr + CSR6) >> 3) & 0x0040) +
- ((csr14 >> 1) & 0x20) + 1;
- if (tp->chip_id != DC21041)
- data->val_out |= ((csr14 >> 9) & 0x03C0);
- break;
- case 5: data->val_out = tp->lpar; break;
- default: data->val_out = 0; break;
- }
- } else {
- data->val_out = tulip_mdio_read (dev, data->phy_id & 0x1f, regnum);
- }
- return 0;
- case SIOCSMIIREG: /* Write MII PHY register. */
- case SIOCDEVPRIVATE+2: /* for binary compat, remove in 2.5 */
- if (!capable (CAP_NET_ADMIN))
- return -EPERM;
- if (regnum & ~0x1f)
- return -EINVAL;
- if (data->phy_id == phy) {
- u16 value = data->val_in;
- switch (regnum) {
- case 0: /* Check for autonegotiation on or reset. */
- tp->full_duplex_lock = (value & 0x9000) ? 0 : 1;
- if (tp->full_duplex_lock)
- tp->full_duplex = (value & 0x0100) ? 1 : 0;
- break;
- case 4:
- tp->advertising[phy_idx] =
- tp->mii_advertise = data->val_in;
- break;
- }
- }
- if (data->phy_id == 32 && (tp->flags & HAS_NWAY)) {
- u16 value = data->val_in;
- if (regnum == 0) {
- if ((value & 0x1200) == 0x1200) {
- if (tp->chip_id == PNIC2) {
- pnic2_start_nway (dev);
- } else {
- t21142_start_nway (dev);
- }
- }
- } else if (regnum == 4)
- tp->sym_advertise = value;
- } else {
- tulip_mdio_write (dev, data->phy_id & 0x1f, regnum, data->val_in);
- }
- return 0;
- default:
- return -EOPNOTSUPP;
- }
- return -EOPNOTSUPP;
- }
- /* Set or clear the multicast filter for this adaptor.
- Note that we only use exclusion around actually queueing the
- new frame, not around filling tp->setup_frame. This is non-deterministic
- when re-entered but still correct. */
- /* The little-endian AUTODIN32 ethernet CRC calculation.
- N.B. Do not use for bulk data, use a table-based routine instead.
- This is common code and should be moved to net/core/crc.c */
- static unsigned const ethernet_polynomial_le = 0xedb88320U;
- static inline u32 ether_crc_le(int length, unsigned char *data)
- {
- u32 crc = 0xffffffff; /* Initial value. */
- while(--length >= 0) {
- unsigned char current_octet = *data++;
- int bit;
- for (bit = 8; --bit >= 0; current_octet >>= 1) {
- if ((crc ^ current_octet) & 1) {
- crc >>= 1;
- crc ^= ethernet_polynomial_le;
- } else
- crc >>= 1;
- }
- }
- return crc;
- }
- static unsigned const ethernet_polynomial = 0x04c11db7U;
- static inline u32 ether_crc(int length, unsigned char *data)
- {
- int crc = -1;
- while(--length >= 0) {
- unsigned char current_octet = *data++;
- int bit;
- for (bit = 0; bit < 8; bit++, current_octet >>= 1)
- crc = (crc << 1) ^
- ((crc < 0) ^ (current_octet & 1) ? ethernet_polynomial : 0);
- }
- return crc;
- }
- #undef set_bit_le
- #define set_bit_le(i,p) do { ((char *)(p))[(i)/8] |= (1<<((i)%8)); } while(0)
- static void build_setup_frame_hash(u16 *setup_frm, struct net_device *dev)
- {
- struct tulip_private *tp = (struct tulip_private *)dev->priv;
- u16 hash_table[32];
- struct dev_mc_list *mclist;
- int i;
- u16 *eaddrs;
- memset(hash_table, 0, sizeof(hash_table));
- set_bit_le(255, hash_table); /* Broadcast entry */
- /* This should work on big-endian machines as well. */
- for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
- i++, mclist = mclist->next) {
- int index = ether_crc_le(ETH_ALEN, mclist->dmi_addr) & 0x1ff;
- set_bit_le(index, hash_table);
- for (i = 0; i < 32; i++) {
- *setup_frm++ = hash_table[i];
- *setup_frm++ = hash_table[i];
- }
- setup_frm = &tp->setup_frame[13*6];
- }
- /* Fill the final entry with our physical address. */
- eaddrs = (u16 *)dev->dev_addr;
- *setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[0];
- *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1];
- *setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2];
- }
- static void build_setup_frame_perfect(u16 *setup_frm, struct net_device *dev)
- {
- struct tulip_private *tp = (struct tulip_private *)dev->priv;
- struct dev_mc_list *mclist;
- int i;
- u16 *eaddrs;
- /* We have <= 14 addresses so we can use the wonderful
- 16 address perfect filtering of the Tulip. */
- for (i = 0, mclist = dev->mc_list; i < dev->mc_count;
- i++, mclist = mclist->next) {
- eaddrs = (u16 *)mclist->dmi_addr;
- *setup_frm++ = *eaddrs; *setup_frm++ = *eaddrs++;
- *setup_frm++ = *eaddrs; *setup_frm++ = *eaddrs++;
- *setup_frm++ = *eaddrs; *setup_frm++ = *eaddrs++;
- }
- /* Fill the unused entries with the broadcast address. */
- memset(setup_frm, 0xff, (15-i)*12);
- setup_frm = &tp->setup_frame[15*6];
- /* Fill the final entry with our physical address. */
- eaddrs = (u16 *)dev->dev_addr;
- *setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[0];
- *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1];
- *setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2];
- }
- static void set_rx_mode(struct net_device *dev)
- {
- struct tulip_private *tp = (struct tulip_private *)dev->priv;
- long ioaddr = dev->base_addr;
- int csr6;
- csr6 = inl(ioaddr + CSR6) & ~0x00D5;
- tp->csr6 &= ~0x00D5;
- if (dev->flags & IFF_PROMISC) { /* Set promiscuous. */
- tp->csr6 |= AcceptAllMulticast | AcceptAllPhys;
- csr6 |= AcceptAllMulticast | AcceptAllPhys;
- /* Unconditionally log net taps. */
- printk(KERN_INFO "%s: Promiscuous mode enabled.n", dev->name);
- } else if ((dev->mc_count > 1000) || (dev->flags & IFF_ALLMULTI)) {
- /* Too many to filter well -- accept all multicasts. */
- tp->csr6 |= AcceptAllMulticast;
- csr6 |= AcceptAllMulticast;
- } else if (tp->flags & MC_HASH_ONLY) {
- /* Some work-alikes have only a 64-entry hash filter table. */
- /* Should verify correctness on big-endian/__powerpc__ */
- struct dev_mc_list *mclist;
- int i;
- if (dev->mc_count > 64) { /* Arbitrary non-effective limit. */
- tp->csr6 |= AcceptAllMulticast;
- csr6 |= AcceptAllMulticast;
- } else {
- u32 mc_filter[2] = {0, 0}; /* Multicast hash filter */
- int filterbit;
- for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
- i++, mclist = mclist->next) {
- if (tp->flags & COMET_MAC_ADDR)
- filterbit = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
- else
- filterbit = ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26;
- filterbit &= 0x3f;
- mc_filter[filterbit >> 5] |= cpu_to_le32(1 << (filterbit & 31));
- if (tulip_debug > 2) {
- printk(KERN_INFO "%s: Added filter for %2.2x:%2.2x:%2.2x:"
- "%2.2x:%2.2x:%2.2x %8.8x bit %d.n", dev->name,
- mclist->dmi_addr[0], mclist->dmi_addr[1],
- mclist->dmi_addr[2], mclist->dmi_addr[3],
- mclist->dmi_addr[4], mclist->dmi_addr[5],
- ether_crc(ETH_ALEN, mclist->dmi_addr), filterbit);
- }
- }
- if (mc_filter[0] == tp->mc_filter[0] &&
- mc_filter[1] == tp->mc_filter[1])
- ; /* No change. */
- else if (tp->flags & IS_ASIX) {
- outl(2, ioaddr + CSR13);
- outl(mc_filter[0], ioaddr + CSR14);
- outl(3, ioaddr + CSR13);
- outl(mc_filter[1], ioaddr + CSR14);
- } else if (tp->flags & COMET_MAC_ADDR) {
- outl(mc_filter[0], ioaddr + 0xAC);
- outl(mc_filter[1], ioaddr + 0xB0);
- }
- tp->mc_filter[0] = mc_filter[0];
- tp->mc_filter[1] = mc_filter[1];
- }
- } else {
- unsigned long flags;
- /* Note that only the low-address shortword of setup_frame is valid!
- The values are doubled for big-endian architectures. */
- if (dev->mc_count > 14) { /* Must use a multicast hash table. */
- build_setup_frame_hash(tp->setup_frame, dev);
- } else {
- build_setup_frame_perfect(tp->setup_frame, dev);
- }
- spin_lock_irqsave(&tp->lock, flags);
- if (tp->cur_tx - tp->dirty_tx > TX_RING_SIZE - 2) {
- /* Same setup recently queued, we need not add it. */
- } else {
- u32 tx_flags = 0x08000000 | 192;
- unsigned int entry;
- int dummy = -1;
- /* Now add this frame to the Tx list. */
- entry = tp->cur_tx++ % TX_RING_SIZE;
- if (entry != 0) {
- /* 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;
- tp->tx_buffers[entry].mapping =
- pci_map_single(tp->pdev, tp->setup_frame,
- sizeof(tp->setup_frame),
- PCI_DMA_TODEVICE);
- /* Put the setup frame on the Tx list. */
- if (entry == TX_RING_SIZE-1)
- tx_flags |= DESC_RING_WRAP; /* Wrap ring. */
- tp->tx_ring[entry].length = cpu_to_le32(tx_flags);
- tp->tx_ring[entry].buffer1 =
- cpu_to_le32(tp->tx_buffers[entry].mapping);
- tp->tx_ring[entry].status = cpu_to_le32(DescOwned);
- if (dummy >= 0)
- tp->tx_ring[dummy].status = cpu_to_le32(DescOwned);
- if (tp->cur_tx - tp->dirty_tx >= TX_RING_SIZE - 2)
- netif_stop_queue(dev);
- /* Trigger an immediate transmit demand. */
- outl(0, ioaddr + CSR1);
- }
- spin_unlock_irqrestore(&tp->lock, flags);
- }
- outl(csr6, ioaddr + CSR6);
- }
- #ifdef CONFIG_TULIP_MWI
- static void __devinit tulip_mwi_config (struct pci_dev *pdev,
- struct net_device *dev)
- {
- struct tulip_private *tp = dev->priv;
- u8 cache;
- u16 pci_command, new_command;
- u32 csr0;
- if (tulip_debug > 3)
- printk(KERN_DEBUG "%s: tulip_mwi_config()n", pdev->slot_name);
- tp->csr0 = csr0 = 0;
- /* check for sane cache line size. from acenic.c. */
- pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &cache);
- if ((cache << 2) != SMP_CACHE_BYTES) {
- printk(KERN_WARNING "%s: PCI cache line size set incorrectly "
- "(%i bytes) by BIOS/FW, correcting to %in",
- pdev->slot_name, (cache << 2), SMP_CACHE_BYTES);
- pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE,
- SMP_CACHE_BYTES >> 2);
- udelay(5);
- }
- /* read cache line size again, hardware may not have accepted
- * our cache line size change
- */
- pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &cache);
- if (!cache)
- goto out;
- /* if we have any cache line size at all, we can do MRM */
- csr0 |= MRM;
- /* ...and barring hardware bugs, MWI */
- if (!(tp->chip_id == DC21143 && tp->revision == 65))
- csr0 |= MWI;
- /* set or disable MWI in the standard PCI command bit.
- * Check for the case where mwi is desired but not available
- */
- pci_read_config_word(pdev, PCI_COMMAND, &pci_command);
- if (csr0 & MWI) new_command = pci_command | PCI_COMMAND_INVALIDATE;
- else new_command = pci_command & ~PCI_COMMAND_INVALIDATE;
- if (new_command != pci_command) {
- pci_write_config_word(pdev, PCI_COMMAND, new_command);
- udelay(5);
- pci_read_config_word(pdev, PCI_COMMAND, &pci_command);
- if ((csr0 & MWI) && (!(pci_command & PCI_COMMAND_INVALIDATE)))
- csr0 &= ~MWI;
- }
- /* assign per-cacheline-size cache alignment and
- * burst length values
- */
- switch (cache) {
- case 8:
- csr0 |= MRL | (1 << CALShift) | (16 << BurstLenShift);
- break;
- case 16:
- csr0 |= MRL | (2 << CALShift) | (16 << BurstLenShift);
- break;
- case 32:
- csr0 |= MRL | (3 << CALShift) | (32 << BurstLenShift);
- break;
- default:
- goto out;
- }
- tp->csr0 = csr0;
- goto out;
- if (csr0 & MWI) {
- pci_command &= ~PCI_COMMAND_INVALIDATE;
- pci_write_config_word(pdev, PCI_COMMAND, pci_command);
- csr0 &= ~MWI;
- }
- tp->csr0 = csr0 | (8 << BurstLenShift) | (1 << CALShift);
- out:
- if (tulip_debug > 2)
- printk(KERN_DEBUG "%s: MWI config cacheline=%d, csr0=%08xn",
- pdev->slot_name, cache, csr0);
- }
- #endif
- static int __devinit tulip_init_one (struct pci_dev *pdev,
- const struct pci_device_id *ent)
- {
- struct tulip_private *tp;
- /* See note below on the multiport cards. */
- static unsigned char last_phys_addr[6] = {0x00, 'L', 'i', 'n', 'u', 'x'};
- static int last_irq;
- static int multiport_cnt; /* For four-port boards w/one EEPROM */
- u8 chip_rev;
- int i, irq;
- unsigned short sum;
- u8 ee_data[EEPROM_SIZE];
- struct net_device *dev;
- long ioaddr;
- static int board_idx = -1;
- int chip_idx = ent->driver_data;
- unsigned int t2104x_mode = 0;
- unsigned int eeprom_missing = 0;
- unsigned int force_csr0 = 0;
- #ifndef MODULE
- static int did_version; /* Already printed version info. */
- if (tulip_debug > 0 && did_version++ == 0)
- printk (KERN_INFO "%s", version);
- #endif
- board_idx++;
- /*
- * Lan media wire a tulip chip to a wan interface. Needs a very
- * different driver (lmc driver)
- */
- if (pdev->subsystem_vendor == PCI_VENDOR_ID_LMC) {
- printk (KERN_ERR PFX "skipping LMC card.n");
- return -ENODEV;
- }
- /*
- * Early DM9100's need software CRC and the DMFE driver
- */
- if (pdev->vendor == 0x1282 && pdev->device == 0x9100)
- {
- u32 dev_rev;
- /* Read Chip revision */
- pci_read_config_dword(pdev, PCI_REVISION_ID, &dev_rev);
- if(dev_rev < 0x02000030)
- {
- printk(KERN_ERR PFX "skipping early DM9100 with Crc bug (use dmfe)n");
- return -ENODEV;
- }
- }
- /*
- * Looks for early PCI chipsets where people report hangs
- * without the workarounds being on.
- */
- /* Intel Saturn. Switch to 8 long words burst, 8 long word cache aligned
- Aries might need this too. The Saturn errata are not pretty reading but
- thankfully its an old 486 chipset.
- */
- if (pci_find_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82424, NULL)) {
- csr0 = MRL | MRM | (8 << BurstLenShift) | (1 << CALShift);
- force_csr0 = 1;
- }
- /* The dreaded SiS496 486 chipset. Same workaround as above. */
- if (pci_find_device(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_496, NULL)) {
- csr0 = MRL | MRM | (8 << BurstLenShift) | (1 << CALShift);
- force_csr0 = 1;
- }
- /* bugfix: the ASIX must have a burst limit or horrible things happen. */
- if (chip_idx == AX88140) {
- if ((csr0 & 0x3f00) == 0)
- csr0 |= 0x2000;
- }
- /* PNIC doesn't have MWI/MRL/MRM... */
- if (chip_idx == LC82C168)
- csr0 &= ~0xfff10000; /* zero reserved bits 31:20, 16 */
- /* DM9102A has troubles with MRM & clear reserved bits 24:22, 20, 16, 7:1 */
- if (pdev->vendor == 0x1282 && pdev->device == 0x9102)
- csr0 &= ~0x01f100ff;
- #if defined(__sparc__)
- /* DM9102A needs 32-dword alignment/burst length on sparc - chip bug? */
- if (pdev->vendor == 0x1282 && pdev->device == 0x9102)
- csr0 = (csr0 & ~0xff00) | 0xe000;
- #endif
- /*
- * And back to business
- */
- i = pci_enable_device(pdev);
- if (i) {
- printk (KERN_ERR PFX
- "Cannot enable tulip board #%d, abortingn",
- board_idx);
- return i;
- }
- ioaddr = pci_resource_start (pdev, 0);
- irq = pdev->irq;
- /* alloc_etherdev ensures aligned and zeroed private structures */
- dev = alloc_etherdev (sizeof (*tp));
- if (!dev) {
- printk (KERN_ERR PFX "ether device alloc failed, abortingn");
- return -ENOMEM;
- }
- if (pci_resource_len (pdev, 0) < tulip_tbl[chip_idx].io_size) {
- printk (KERN_ERR PFX "%s: I/O region (0x%lx@0x%lx) too small, "
- "abortingn", pdev->slot_name,
- pci_resource_len (pdev, 0),
- pci_resource_start (pdev, 0));
- goto err_out_free_netdev;
- }
- /* grab all resources from both PIO and MMIO regions, as we
- * don't want anyone else messing around with our hardware */
- if (pci_request_regions (pdev, "tulip"))
- goto err_out_free_netdev;
- #ifndef USE_IO_OPS
- ioaddr = (unsigned long) ioremap (pci_resource_start (pdev, 1),
- tulip_tbl[chip_idx].io_size);
- if (!ioaddr)
- goto err_out_free_res;
- #endif
- pci_read_config_byte (pdev, PCI_REVISION_ID, &chip_rev);
- /*
- * initialize private data structure 'tp'
- * it is zeroed and aligned in alloc_etherdev
- */
- tp = dev->priv;
- tp->rx_ring = pci_alloc_consistent(pdev,
- sizeof(struct tulip_rx_desc) * RX_RING_SIZE +
- sizeof(struct tulip_tx_desc) * TX_RING_SIZE,
- &tp->rx_ring_dma);
- if (!tp->rx_ring)
- goto err_out_mtable;
- tp->tx_ring = (struct tulip_tx_desc *)(tp->rx_ring + RX_RING_SIZE);
- tp->tx_ring_dma = tp->rx_ring_dma + sizeof(struct tulip_rx_desc) * RX_RING_SIZE;
- tp->chip_id = chip_idx;
- tp->flags = tulip_tbl[chip_idx].flags;
- tp->pdev = pdev;
- tp->base_addr = ioaddr;
- tp->revision = chip_rev;
- tp->csr0 = csr0;
- spin_lock_init(&tp->lock);
- spin_lock_init(&tp->mii_lock);
- init_timer(&tp->timer);
- tp->timer.data = (unsigned long)dev;
- tp->timer.function = tulip_tbl[tp->chip_id].media_timer;
- dev->base_addr = ioaddr;
- dev->irq = irq;
- #ifdef CONFIG_TULIP_MWI
- if (!force_csr0 && (tp->flags & HAS_PCI_MWI))
- tulip_mwi_config (pdev, dev);
- #else
- /* MWI is broken for DC21143 rev 65... */
- if (chip_idx == DC21143 && chip_rev == 65)
- tp->csr0 &= ~MWI;
- #endif
- /* Stop the chip's Tx and Rx processes. */
- tulip_stop_rxtx(tp);
- pci_set_master(pdev);
- /* Clear the missed-packet counter. */
- inl(ioaddr + CSR8);
- if (chip_idx == DC21041) {
- if (inl(ioaddr + CSR9) & 0x8000) {
- chip_idx = DC21040;
- t2104x_mode = 1;
- } else {
- t2104x_mode = 2;
- }
- }
- /* The station address ROM is read byte serially. The register must
- be polled, waiting for the value to be read bit serially from the
- EEPROM.
- */
- sum = 0;
- if (chip_idx == DC21040) {
- outl(0, ioaddr + CSR9); /* Reset the pointer with a dummy write. */
- for (i = 0; i < 6; i++) {
- int value, boguscnt = 100000;
- do
- value = inl(ioaddr + CSR9);
- while (value < 0 && --boguscnt > 0);
- dev->dev_addr[i] = value;
- sum += value & 0xff;
- }
- } else if (chip_idx == LC82C168) {
- for (i = 0; i < 3; i++) {
- int value, boguscnt = 100000;
- outl(0x600 | i, ioaddr + 0x98);
- do
- value = inl(ioaddr + CSR9);
- while (value < 0 && --boguscnt > 0);
- put_unaligned(le16_to_cpu(value), ((u16*)dev->dev_addr) + i);
- sum += value & 0xffff;
- }
- } else if (chip_idx == COMET) {
- /* No need to read the EEPROM. */
- put_unaligned(inl(ioaddr + 0xA4), (u32 *)dev->dev_addr);
- put_unaligned(inl(ioaddr + 0xA8), (u16 *)(dev->dev_addr + 4));
- for (i = 0; i < 6; i ++)
- sum += dev->dev_addr[i];
- } else {
- /* A serial EEPROM interface, we read now and sort it out later. */
- int sa_offset = 0;
- int ee_addr_size = tulip_read_eeprom(ioaddr, 0xff, 8) & 0x40000 ? 8 : 6;
- for (i = 0; i < sizeof(ee_data)/2; i++)
- ((u16 *)ee_data)[i] =
- le16_to_cpu(tulip_read_eeprom(ioaddr, i, ee_addr_size));
- /* DEC now has a specification (see Notes) but early board makers
- just put the address in the first EEPROM locations. */
- /* This does memcmp(eedata, eedata+16, 8) */
- for (i = 0; i < 8; i ++)
- if (ee_data[i] != ee_data[16+i])
- sa_offset = 20;
- if (ee_data[0] == 0xff && ee_data[1] == 0xff && ee_data[2] == 0) {
- sa_offset = 2; /* Grrr, damn Matrox boards. */
- multiport_cnt = 4;
- }
- #ifdef CONFIG_DDB5476
- if ((pdev->bus->number == 0) && (PCI_SLOT(pdev->devfn) == 6)) {
- /* DDB5476 MAC address in first EEPROM locations. */
- sa_offset = 0;
- /* No media table either */
- tp->flags &= ~HAS_MEDIA_TABLE;
- }
- #endif
- #ifdef CONFIG_DDB5477
- if ((pdev->bus->number == 0) && (PCI_SLOT(pdev->devfn) == 4)) {
- /* DDB5477 MAC address in first EEPROM locations. */
- sa_offset = 0;
- /* No media table either */
- tp->flags &= ~HAS_MEDIA_TABLE;
- }
- #endif
- for (i = 0; i < 6; i ++) {
- dev->dev_addr[i] = ee_data[i + sa_offset];
- sum += ee_data[i + sa_offset];
- }
- }
- /* Lite-On boards have the address byte-swapped. */
- if ((dev->dev_addr[0] == 0xA0 || dev->dev_addr[0] == 0xC0)
- && dev->dev_addr[1] == 0x00)
- for (i = 0; i < 6; i+=2) {
- char tmp = dev->dev_addr[i];
- dev->dev_addr[i] = dev->dev_addr[i+1];
- dev->dev_addr[i+1] = tmp;
- }
- /* On the Zynx 315 Etherarray and other multiport boards only the
- first Tulip has an EEPROM.
- On Sparc systems the mac address is held in the OBP property
- "local-mac-address".
- The addresses of the subsequent ports are derived from the first.
- Many PCI BIOSes also incorrectly report the IRQ line, so we correct
- that here as well. */
- if (sum == 0 || sum == 6*0xff) {
- #if defined(__sparc__)
- struct pcidev_cookie *pcp = pdev->sysdata;
- #endif
- eeprom_missing = 1;
- for (i = 0; i < 5; i++)
- dev->dev_addr[i] = last_phys_addr[i];
- dev->dev_addr[i] = last_phys_addr[i] + 1;
- #if defined(__sparc__)
- if ((pcp != NULL) && prom_getproplen(pcp->prom_node,
- "local-mac-address") == 6) {
- prom_getproperty(pcp->prom_node, "local-mac-address",
- dev->dev_addr, 6);
- }
- #endif
- #if defined(__i386__) /* Patch up x86 BIOS bug. */
- if (last_irq)
- irq = last_irq;
- #endif
- }
- for (i = 0; i < 6; i++)
- last_phys_addr[i] = dev->dev_addr[i];
- last_irq = irq;
- /* The lower four bits are the media type. */
- if (board_idx >= 0 && board_idx < MAX_UNITS) {
- if (options[board_idx] & MEDIA_MASK)
- tp->default_port = options[board_idx] & MEDIA_MASK;
- if ((options[board_idx] & FullDuplex) || full_duplex[board_idx] > 0)
- tp->full_duplex = 1;
- if (mtu[board_idx] > 0)
- dev->mtu = mtu[board_idx];
- }
- if (dev->mem_start & MEDIA_MASK)
- tp->default_port = dev->mem_start & MEDIA_MASK;
- if (tp->default_port) {
- printk(KERN_INFO "tulip%d: Transceiver selection forced to %s.n",
- board_idx, medianame[tp->default_port & MEDIA_MASK]);
- tp->medialock = 1;
- if (tulip_media_cap[tp->default_port] & MediaAlwaysFD)
- tp->full_duplex = 1;
- }
- if (tp->full_duplex)
- tp->full_duplex_lock = 1;
- if (tulip_media_cap[tp->default_port] & MediaIsMII) {
- u16 media2advert[] = { 0x20, 0x40, 0x03e0, 0x60, 0x80, 0x100, 0x200 };
- tp->mii_advertise = media2advert[tp->default_port - 9];
- tp->mii_advertise |= (tp->flags & HAS_8023X); /* Matching bits! */
- }
- if (tp->flags & HAS_MEDIA_TABLE) {
- memcpy(tp->eeprom, ee_data, sizeof(tp->eeprom));
- sprintf(dev->name, "tulip%d", board_idx); /* hack */
- tulip_parse_eeprom(dev);
- strcpy(dev->name, "eth%d"); /* un-hack */
- }
- if ((tp->flags & ALWAYS_CHECK_MII) ||
- (tp->mtable && tp->mtable->has_mii) ||
- ( ! tp->mtable && (tp->flags & HAS_MII))) {
- if (tp->mtable && tp->mtable->has_mii) {
- for (i = 0; i < tp->mtable->leafcount; i++)
- if (tp->mtable->mleaf[i].media == 11) {
- tp->cur_index = i;
- tp->saved_if_port = dev->if_port;
- tulip_select_media(dev, 2);
- dev->if_port = tp->saved_if_port;
- break;
- }
- }
- /* Find the connected MII xcvrs.
- Doing this in open() would allow detecting external xcvrs
- later, but takes much time. */
- tulip_find_mii (dev, board_idx);
- }
- /* The Tulip-specific entries in the device structure. */
- dev->open = tulip_open;
- dev->hard_start_xmit = tulip_start_xmit;
- dev->tx_timeout = tulip_tx_timeout;
- dev->watchdog_timeo = TX_TIMEOUT;
- dev->stop = tulip_close;
- dev->get_stats = tulip_get_stats;
- dev->do_ioctl = private_ioctl;
- dev->set_multicast_list = set_rx_mode;
- if (register_netdev(dev))
- goto err_out_free_ring;
- printk(KERN_INFO "%s: %s rev %d at %#3lx,",
- dev->name, tulip_tbl[chip_idx].chip_name, chip_rev, ioaddr);
- pci_set_drvdata(pdev, dev);
- if (t2104x_mode == 1)
- printk(" 21040 compatible mode,");
- else if (t2104x_mode == 2)
- printk(" 21041 mode,");
- if (eeprom_missing)
- printk(" EEPROM not present,");
- for (i = 0; i < 6; i++)
- printk("%c%2.2X", i ? ':' : ' ', dev->dev_addr[i]);
- printk(", IRQ %d.n", irq);
- if (tp->chip_id == PNIC2)
- tp->link_change = pnic2_lnk_change;
- else if ((tp->flags & HAS_NWAY) || tp->chip_id == DC21041)
- tp->link_change = t21142_lnk_change;
- else if (tp->flags & HAS_PNICNWAY)
- tp->link_change = pnic_lnk_change;
- /* Reset the xcvr interface and turn on heartbeat. */
- switch (chip_idx) {
- case DC21041:
- if (tp->sym_advertise == 0)
- tp->sym_advertise = 0x0061;
- outl(0x00000000, ioaddr + CSR13);
- outl(0xFFFFFFFF, ioaddr + CSR14);
- outl(0x00000008, ioaddr + CSR15); /* Listen on AUI also. */
- outl(inl(ioaddr + CSR6) | csr6_fd, ioaddr + CSR6);
- outl(0x0000EF01, ioaddr + CSR13);
- break;
- case DC21040:
- outl(0x00000000, ioaddr + CSR13);
- outl(0x00000004, ioaddr + CSR13);
- break;
- case DC21140:
- case DM910X:
- default:
- if (tp->mtable)
- outl(tp->mtable->csr12dir | 0x100, ioaddr + CSR12);
- break;
- case DC21142:
- if (tp->mii_cnt || tulip_media_cap[dev->if_port] & MediaIsMII) {
- outl(csr6_mask_defstate, ioaddr + CSR6);
- outl(0x0000, ioaddr + CSR13);
- outl(0x0000, ioaddr + CSR14);
- outl(csr6_mask_hdcap, ioaddr + CSR6);
- } else
- t21142_start_nway(dev);
- break;
- case PNIC2:
- /* just do a reset for sanity sake */
- outl(0x0000, ioaddr + CSR13);
- outl(0x0000, ioaddr + CSR14);
- break;
- case LC82C168:
- if ( ! tp->mii_cnt) {
- tp->nway = 1;
- tp->nwayset = 0;
- outl(csr6_ttm | csr6_ca, ioaddr + CSR6);
- outl(0x30, ioaddr + CSR12);
- outl(0x0001F078, ioaddr + CSR6);
- outl(0x0201F078, ioaddr + CSR6); /* Turn on autonegotiation. */
- }
- break;
- case MX98713:
- case COMPEX9881:
- outl(0x00000000, ioaddr + CSR6);
- outl(0x000711C0, ioaddr + CSR14); /* Turn on NWay. */
- outl(0x00000001, ioaddr + CSR13);
- break;
- case MX98715:
- case MX98725:
- outl(0x01a80000, ioaddr + CSR6);
- outl(0xFFFFFFFF, ioaddr + CSR14);
- outl(0x00001000, ioaddr + CSR12);
- break;
- case COMET:
- /* No initialization necessary. */
- break;
- }
- /* put the chip in snooze mode until opened */
- tulip_set_power_state (tp, 0, 1);
- return 0;
- err_out_free_ring:
- pci_free_consistent (pdev,
- sizeof (struct tulip_rx_desc) * RX_RING_SIZE +
- sizeof (struct tulip_tx_desc) * TX_RING_SIZE,
- tp->rx_ring, tp->rx_ring_dma);
- err_out_mtable:
- if (tp->mtable)
- kfree (tp->mtable);
- #ifndef USE_IO_OPS
- iounmap((void *)ioaddr);
- err_out_free_res:
- #endif
- pci_release_regions (pdev);
- err_out_free_netdev:
- kfree (dev);
- return -ENODEV;
- }
- #ifdef CONFIG_PM
- static int tulip_suspend (struct pci_dev *pdev, u32 state)
- {
- struct net_device *dev = pci_get_drvdata(pdev);
- if (dev && netif_running (dev) && netif_device_present (dev)) {
- netif_device_detach (dev);
- tulip_down (dev);
- /* pci_power_off(pdev, -1); */
- }
- return 0;
- }
- static int tulip_resume(struct pci_dev *pdev)
- {
- struct net_device *dev = pci_get_drvdata(pdev);
- if (dev && netif_running (dev) && !netif_device_present (dev)) {
- #if 1
- pci_enable_device (pdev);
- #endif
- /* pci_power_on(pdev); */
- tulip_up (dev);
- netif_device_attach (dev);
- }
- return 0;
- }
- #endif /* CONFIG_PM */
- static void __devexit tulip_remove_one (struct pci_dev *pdev)
- {
- struct net_device *dev = pci_get_drvdata (pdev);
- struct tulip_private *tp;
- if (!dev)
- return;
- tp = dev->priv;
- pci_free_consistent (pdev,
- sizeof (struct tulip_rx_desc) * RX_RING_SIZE +
- sizeof (struct tulip_tx_desc) * TX_RING_SIZE,
- tp->rx_ring, tp->rx_ring_dma);
- unregister_netdev (dev);
- if (tp->mtable)
- kfree (tp->mtable);
- #ifndef USE_IO_OPS
- iounmap((void *)dev->base_addr);
- #endif
- kfree (dev);
- pci_release_regions (pdev);
- pci_set_drvdata (pdev, NULL);
- /* pci_power_off (pdev, -1); */
- }
- static struct pci_driver tulip_driver = {
- name: DRV_NAME,
- id_table: tulip_pci_tbl,
- probe: tulip_init_one,
- remove: __devexit_p(tulip_remove_one),
- #ifdef CONFIG_PM
- suspend: tulip_suspend,
- resume: tulip_resume,
- #endif /* CONFIG_PM */
- };
- static int __init tulip_init (void)
- {
- #ifdef MODULE
- printk (KERN_INFO "%s", version);
- #endif
- /* copy module parms into globals */
- tulip_rx_copybreak = rx_copybreak;
- tulip_max_interrupt_work = max_interrupt_work;
- /* probe for and init boards */
- return pci_module_init (&tulip_driver);
- }
- static void __exit tulip_cleanup (void)
- {
- pci_unregister_driver (&tulip_driver);
- }
- module_init(tulip_init);
- module_exit(tulip_cleanup);