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1275 |
phoenix |
/* tulip_core.c: A DEC 21x4x-family ethernet driver for Linux. */
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/*
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Maintained by Jeff Garzik <jgarzik@pobox.com>
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Copyright 2000-2002 The Linux Kernel Team
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Written/copyright 1994-2001 by Donald Becker.
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This software may be used and distributed according to the terms
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of the GNU General Public License, incorporated herein by reference.
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Please refer to Documentation/DocBook/tulip.{pdf,ps,html}
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for more information on this driver, or visit the project
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Web page at http://sourceforge.net/projects/tulip/
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*/
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#define DRV_NAME "tulip"
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#define DRV_VERSION "0.9.15-pre12"
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#define DRV_RELDATE "Aug 9, 2002"
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#include <linux/config.h>
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#include <linux/module.h>
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#include "tulip.h"
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#include <linux/pci.h>
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#include <linux/init.h>
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#include <linux/etherdevice.h>
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#include <linux/delay.h>
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#include <linux/mii.h>
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#include <linux/ethtool.h>
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#include <linux/crc32.h>
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#include <asm/unaligned.h>
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#include <asm/uaccess.h>
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#ifdef __sparc__
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#include <asm/pbm.h>
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#endif
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static char version[] __devinitdata =
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"Linux Tulip driver version " DRV_VERSION " (" DRV_RELDATE ")\n";
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/* A few user-configurable values. */
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/* Maximum events (Rx packets, etc.) to handle at each interrupt. */
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static unsigned int max_interrupt_work = 25;
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#define MAX_UNITS 8
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/* Used to pass the full-duplex flag, etc. */
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static int full_duplex[MAX_UNITS];
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static int options[MAX_UNITS];
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static int mtu[MAX_UNITS]; /* Jumbo MTU for interfaces. */
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/* The possible media types that can be set in options[] are: */
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const char * const medianame[32] = {
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"10baseT", "10base2", "AUI", "100baseTx",
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"10baseT-FDX", "100baseTx-FDX", "100baseT4", "100baseFx",
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"100baseFx-FDX", "MII 10baseT", "MII 10baseT-FDX", "MII",
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"10baseT(forced)", "MII 100baseTx", "MII 100baseTx-FDX", "MII 100baseT4",
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"MII 100baseFx-HDX", "MII 100baseFx-FDX", "Home-PNA 1Mbps", "Invalid-19",
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"","","","", "","","","", "","","","Transceiver reset",
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};
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/* Set the copy breakpoint for the copy-only-tiny-buffer Rx structure. */
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#if defined(__alpha__) || defined(__arm__) || defined(__hppa__) \
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|| defined(__sparc_) || defined(__ia64__) \
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|| defined(__sh__) || defined(__mips__) || defined(__SH5__)
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static int rx_copybreak = 1518;
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#else
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static int rx_copybreak = 100;
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#endif
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/*
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Set the bus performance register.
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Typical: Set 16 longword cache alignment, no burst limit.
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Cache alignment bits 15:14 Burst length 13:8
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0000 No alignment 0x00000000 unlimited 0800 8 longwords
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4000 8 longwords 0100 1 longword 1000 16 longwords
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8000 16 longwords 0200 2 longwords 2000 32 longwords
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C000 32 longwords 0400 4 longwords
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Warning: many older 486 systems are broken and require setting 0x00A04800
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8 longword cache alignment, 8 longword burst.
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ToDo: Non-Intel setting could be better.
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*/
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#if defined(__alpha__) || defined(__ia64__) || defined(__x86_64__)
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static int csr0 = 0x01A00000 | 0xE000;
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#elif defined(__i386__) || defined(__powerpc__)
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static int csr0 = 0x01A00000 | 0x8000;
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#elif defined(__sparc__) || defined(__hppa__)
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/* The UltraSparc PCI controllers will disconnect at every 64-byte
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* crossing anyways so it makes no sense to tell Tulip to burst
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* any more than that.
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*/
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static int csr0 = 0x01A00000 | 0x9000;
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#elif defined(__arm__) || defined(__sh__)
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static int csr0 = 0x01A00000 | 0x4800;
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#elif defined(__mips__)
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static int csr0 = 0x00200000 | 0x4000;
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#else
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#warning Processor architecture undefined!
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static int csr0 = 0x00A00000 | 0x4800;
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#endif
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/* Operational parameters that usually are not changed. */
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/* Time in jiffies before concluding the transmitter is hung. */
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#define TX_TIMEOUT (4*HZ)
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MODULE_AUTHOR("The Linux Kernel Team");
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MODULE_DESCRIPTION("Digital 21*4* Tulip ethernet driver");
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MODULE_LICENSE("GPL");
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MODULE_PARM(tulip_debug, "i");
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MODULE_PARM(max_interrupt_work, "i");
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MODULE_PARM(rx_copybreak, "i");
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MODULE_PARM(csr0, "i");
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MODULE_PARM(options, "1-" __MODULE_STRING(MAX_UNITS) "i");
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MODULE_PARM(full_duplex, "1-" __MODULE_STRING(MAX_UNITS) "i");
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#define PFX DRV_NAME ": "
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#ifdef TULIP_DEBUG
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int tulip_debug = TULIP_DEBUG;
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#else
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int tulip_debug = 1;
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#endif
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/*
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* This table use during operation for capabilities and media timer.
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*
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* It is indexed via the values in 'enum chips'
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*/
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struct tulip_chip_table tulip_tbl[] = {
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/* DC21040 */
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{ "Digital DC21040 Tulip", 128, 0x0001ebef, 0, tulip_timer },
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/* DC21041 */
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{ "Digital DC21041 Tulip", 128, 0x0001ebef,
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HAS_MEDIA_TABLE | HAS_NWAY, tulip_timer },
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/* DC21140 */
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{ "Digital DS21140 Tulip", 128, 0x0001ebef,
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HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM | HAS_PCI_MWI, tulip_timer },
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/* DC21142, DC21143 */
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{ "Digital DS21143 Tulip", 128, 0x0801fbff,
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HAS_MII | HAS_MEDIA_TABLE | ALWAYS_CHECK_MII | HAS_ACPI | HAS_NWAY
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| HAS_INTR_MITIGATION | HAS_PCI_MWI, t21142_timer },
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/* LC82C168 */
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{ "Lite-On 82c168 PNIC", 256, 0x0001fbef,
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HAS_MII | HAS_PNICNWAY, pnic_timer },
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/* MX98713 */
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{ "Macronix 98713 PMAC", 128, 0x0001ebef,
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HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM, mxic_timer },
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/* MX98715 */
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{ "Macronix 98715 PMAC", 256, 0x0001ebef,
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HAS_MEDIA_TABLE, mxic_timer },
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/* MX98725 */
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{ "Macronix 98725 PMAC", 256, 0x0001ebef,
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HAS_MEDIA_TABLE, mxic_timer },
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/* AX88140 */
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{ "ASIX AX88140", 128, 0x0001fbff,
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HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM | MC_HASH_ONLY
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| IS_ASIX, tulip_timer },
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/* PNIC2 */
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{ "Lite-On PNIC-II", 256, 0x0801fbff,
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HAS_MII | HAS_NWAY | HAS_8023X | HAS_PCI_MWI, pnic2_timer },
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/* COMET */
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{ "ADMtek Comet", 256, 0x0001abef,
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MC_HASH_ONLY | COMET_MAC_ADDR, comet_timer },
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/* COMPEX9881 */
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{ "Compex 9881 PMAC", 128, 0x0001ebef,
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HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM, mxic_timer },
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/* I21145 */
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{ "Intel DS21145 Tulip", 128, 0x0801fbff,
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HAS_MII | HAS_MEDIA_TABLE | ALWAYS_CHECK_MII | HAS_ACPI
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| HAS_NWAY | HAS_PCI_MWI, t21142_timer },
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/* DM910X */
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{ "Davicom DM9102/DM9102A", 128, 0x0001ebef,
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HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM | HAS_ACPI,
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tulip_timer },
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/* CONEXANT */
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{ "Conexant LANfinity", 256, 0x0001ebef,
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HAS_MII, tulip_timer },
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};
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static struct pci_device_id tulip_pci_tbl[] __devinitdata = {
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{ 0x1011, 0x0002, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DC21040 },
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{ 0x1011, 0x0014, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DC21041 },
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{ 0x1011, 0x0009, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DC21140 },
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{ 0x1011, 0x0019, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DC21143 },
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{ 0x11AD, 0x0002, PCI_ANY_ID, PCI_ANY_ID, 0, 0, LC82C168 },
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{ 0x10d9, 0x0512, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MX98713 },
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{ 0x10d9, 0x0531, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MX98715 },
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/* { 0x10d9, 0x0531, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MX98725 },*/
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{ 0x125B, 0x1400, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AX88140 },
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{ 0x11AD, 0xc115, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PNIC2 },
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{ 0x1317, 0x0981, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
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{ 0x1317, 0x0985, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
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{ 0x1317, 0x1985, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
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{ 0x1317, 0x9511, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
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{ 0x13D1, 0xAB02, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
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{ 0x13D1, 0xAB03, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
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{ 0x13D1, 0xAB08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
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{ 0x104A, 0x0981, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
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{ 0x104A, 0x2774, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
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{ 0x1259, 0xa120, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
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{ 0x11F6, 0x9881, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMPEX9881 },
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{ 0x8086, 0x0039, PCI_ANY_ID, PCI_ANY_ID, 0, 0, I21145 },
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{ 0x1282, 0x9100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DM910X },
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{ 0x1282, 0x9102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DM910X },
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{ 0x1113, 0x1216, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
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{ 0x1113, 0x1217, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MX98715 },
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{ 0x1113, 0x9511, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
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{ 0x1186, 0x1561, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
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{ 0x1626, 0x8410, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
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{ 0x1737, 0xAB09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
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{ 0x1737, 0xAB08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
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{ 0x17B3, 0xAB08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET },
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{ 0x14f1, 0x1803, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CONEXANT },
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{ 0x10b9, 0x5261, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DM910X }, /* ALi 1563 integrated ethernet */
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{ 0x10b7, 0x9300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, /* 3Com 3CSOHO100B-TX */
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{ } /* terminate list */
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};
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MODULE_DEVICE_TABLE(pci, tulip_pci_tbl);
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/* A full-duplex map for media types. */
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const char tulip_media_cap[32] =
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{0,0,0,16, 3,19,16,24, 27,4,7,5, 0,20,23,20, 28,31,0,0, };
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u8 t21040_csr13[] = {2,0x0C,8,4, 4,0,0,0, 0,0,0,0, 4,0,0,0};
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/* 21041 transceiver register settings: 10-T, 10-2, AUI, 10-T, 10T-FD*/
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u16 t21041_csr13[] = {
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csr13_mask_10bt, /* 10-T */
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csr13_mask_auibnc, /* 10-2 */
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csr13_mask_auibnc, /* AUI */
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csr13_mask_10bt, /* 10-T */
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csr13_mask_10bt, /* 10T-FD */
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};
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u16 t21041_csr14[] = { 0xFFFF, 0xF7FD, 0xF7FD, 0x7F3F, 0x7F3D, };
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u16 t21041_csr15[] = { 0x0008, 0x0006, 0x000E, 0x0008, 0x0008, };
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static void tulip_tx_timeout(struct net_device *dev);
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static void tulip_init_ring(struct net_device *dev);
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static int tulip_start_xmit(struct sk_buff *skb, struct net_device *dev);
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static int tulip_open(struct net_device *dev);
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static int tulip_close(struct net_device *dev);
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static void tulip_up(struct net_device *dev);
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static void tulip_down(struct net_device *dev);
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static struct net_device_stats *tulip_get_stats(struct net_device *dev);
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static int private_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
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static void set_rx_mode(struct net_device *dev);
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static void tulip_set_power_state (struct tulip_private *tp,
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int sleep, int snooze)
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{
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if (tp->flags & HAS_ACPI) {
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u32 tmp, newtmp;
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pci_read_config_dword (tp->pdev, CFDD, &tmp);
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newtmp = tmp & ~(CFDD_Sleep | CFDD_Snooze);
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if (sleep)
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newtmp |= CFDD_Sleep;
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else if (snooze)
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newtmp |= CFDD_Snooze;
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if (tmp != newtmp)
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pci_write_config_dword (tp->pdev, CFDD, newtmp);
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}
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}
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static void tulip_up(struct net_device *dev)
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{
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struct tulip_private *tp = (struct tulip_private *)dev->priv;
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long ioaddr = dev->base_addr;
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int next_tick = 3*HZ;
|
295 |
|
|
int i;
|
296 |
|
|
|
297 |
|
|
/* Wake the chip from sleep/snooze mode. */
|
298 |
|
|
tulip_set_power_state (tp, 0, 0);
|
299 |
|
|
|
300 |
|
|
/* On some chip revs we must set the MII/SYM port before the reset!? */
|
301 |
|
|
if (tp->mii_cnt || (tp->mtable && tp->mtable->has_mii))
|
302 |
|
|
outl(0x00040000, ioaddr + CSR6);
|
303 |
|
|
|
304 |
|
|
/* Reset the chip, holding bit 0 set at least 50 PCI cycles. */
|
305 |
|
|
outl(0x00000001, ioaddr + CSR0);
|
306 |
|
|
udelay(100);
|
307 |
|
|
|
308 |
|
|
/* Deassert reset.
|
309 |
|
|
Wait the specified 50 PCI cycles after a reset by initializing
|
310 |
|
|
Tx and Rx queues and the address filter list. */
|
311 |
|
|
outl(tp->csr0, ioaddr + CSR0);
|
312 |
|
|
udelay(100);
|
313 |
|
|
|
314 |
|
|
if (tulip_debug > 1)
|
315 |
|
|
printk(KERN_DEBUG "%s: tulip_up(), irq==%d.\n", dev->name, dev->irq);
|
316 |
|
|
|
317 |
|
|
outl(tp->rx_ring_dma, ioaddr + CSR3);
|
318 |
|
|
outl(tp->tx_ring_dma, ioaddr + CSR4);
|
319 |
|
|
tp->cur_rx = tp->cur_tx = 0;
|
320 |
|
|
tp->dirty_rx = tp->dirty_tx = 0;
|
321 |
|
|
|
322 |
|
|
if (tp->flags & MC_HASH_ONLY) {
|
323 |
|
|
u32 addr_low = cpu_to_le32(get_unaligned((u32 *)dev->dev_addr));
|
324 |
|
|
u32 addr_high = cpu_to_le32(get_unaligned((u16 *)(dev->dev_addr+4)));
|
325 |
|
|
if (tp->chip_id == AX88140) {
|
326 |
|
|
outl(0, ioaddr + CSR13);
|
327 |
|
|
outl(addr_low, ioaddr + CSR14);
|
328 |
|
|
outl(1, ioaddr + CSR13);
|
329 |
|
|
outl(addr_high, ioaddr + CSR14);
|
330 |
|
|
} else if (tp->flags & COMET_MAC_ADDR) {
|
331 |
|
|
outl(addr_low, ioaddr + 0xA4);
|
332 |
|
|
outl(addr_high, ioaddr + 0xA8);
|
333 |
|
|
outl(0, ioaddr + 0xAC);
|
334 |
|
|
outl(0, ioaddr + 0xB0);
|
335 |
|
|
}
|
336 |
|
|
} else {
|
337 |
|
|
/* This is set_rx_mode(), but without starting the transmitter. */
|
338 |
|
|
u16 *eaddrs = (u16 *)dev->dev_addr;
|
339 |
|
|
u16 *setup_frm = &tp->setup_frame[15*6];
|
340 |
|
|
dma_addr_t mapping;
|
341 |
|
|
|
342 |
|
|
/* 21140 bug: you must add the broadcast address. */
|
343 |
|
|
memset(tp->setup_frame, 0xff, sizeof(tp->setup_frame));
|
344 |
|
|
/* Fill the final entry of the table with our physical address. */
|
345 |
|
|
*setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[0];
|
346 |
|
|
*setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1];
|
347 |
|
|
*setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2];
|
348 |
|
|
|
349 |
|
|
mapping = pci_map_single(tp->pdev, tp->setup_frame,
|
350 |
|
|
sizeof(tp->setup_frame),
|
351 |
|
|
PCI_DMA_TODEVICE);
|
352 |
|
|
tp->tx_buffers[tp->cur_tx].skb = NULL;
|
353 |
|
|
tp->tx_buffers[tp->cur_tx].mapping = mapping;
|
354 |
|
|
|
355 |
|
|
/* Put the setup frame on the Tx list. */
|
356 |
|
|
tp->tx_ring[tp->cur_tx].length = cpu_to_le32(0x08000000 | 192);
|
357 |
|
|
tp->tx_ring[tp->cur_tx].buffer1 = cpu_to_le32(mapping);
|
358 |
|
|
tp->tx_ring[tp->cur_tx].status = cpu_to_le32(DescOwned);
|
359 |
|
|
|
360 |
|
|
tp->cur_tx++;
|
361 |
|
|
}
|
362 |
|
|
|
363 |
|
|
tp->saved_if_port = dev->if_port;
|
364 |
|
|
if (dev->if_port == 0)
|
365 |
|
|
dev->if_port = tp->default_port;
|
366 |
|
|
|
367 |
|
|
/* Allow selecting a default media. */
|
368 |
|
|
i = 0;
|
369 |
|
|
if (tp->mtable == NULL)
|
370 |
|
|
goto media_picked;
|
371 |
|
|
if (dev->if_port) {
|
372 |
|
|
int looking_for = tulip_media_cap[dev->if_port] & MediaIsMII ? 11 :
|
373 |
|
|
(dev->if_port == 12 ? 0 : dev->if_port);
|
374 |
|
|
for (i = 0; i < tp->mtable->leafcount; i++)
|
375 |
|
|
if (tp->mtable->mleaf[i].media == looking_for) {
|
376 |
|
|
printk(KERN_INFO "%s: Using user-specified media %s.\n",
|
377 |
|
|
dev->name, medianame[dev->if_port]);
|
378 |
|
|
goto media_picked;
|
379 |
|
|
}
|
380 |
|
|
}
|
381 |
|
|
if ((tp->mtable->defaultmedia & 0x0800) == 0) {
|
382 |
|
|
int looking_for = tp->mtable->defaultmedia & MEDIA_MASK;
|
383 |
|
|
for (i = 0; i < tp->mtable->leafcount; i++)
|
384 |
|
|
if (tp->mtable->mleaf[i].media == looking_for) {
|
385 |
|
|
printk(KERN_INFO "%s: Using EEPROM-set media %s.\n",
|
386 |
|
|
dev->name, medianame[looking_for]);
|
387 |
|
|
goto media_picked;
|
388 |
|
|
}
|
389 |
|
|
}
|
390 |
|
|
/* Start sensing first non-full-duplex media. */
|
391 |
|
|
for (i = tp->mtable->leafcount - 1;
|
392 |
|
|
(tulip_media_cap[tp->mtable->mleaf[i].media] & MediaAlwaysFD) && i > 0; i--)
|
393 |
|
|
;
|
394 |
|
|
media_picked:
|
395 |
|
|
|
396 |
|
|
tp->csr6 = 0;
|
397 |
|
|
tp->cur_index = i;
|
398 |
|
|
tp->nwayset = 0;
|
399 |
|
|
|
400 |
|
|
if (dev->if_port) {
|
401 |
|
|
if (tp->chip_id == DC21143 &&
|
402 |
|
|
(tulip_media_cap[dev->if_port] & MediaIsMII)) {
|
403 |
|
|
/* We must reset the media CSRs when we force-select MII mode. */
|
404 |
|
|
outl(0x0000, ioaddr + CSR13);
|
405 |
|
|
outl(0x0000, ioaddr + CSR14);
|
406 |
|
|
outl(0x0008, ioaddr + CSR15);
|
407 |
|
|
}
|
408 |
|
|
tulip_select_media(dev, 1);
|
409 |
|
|
} else if (tp->chip_id == DC21041) {
|
410 |
|
|
dev->if_port = 0;
|
411 |
|
|
tp->nway = tp->mediasense = 1;
|
412 |
|
|
tp->nwayset = tp->lpar = 0;
|
413 |
|
|
outl(0x00000000, ioaddr + CSR13);
|
414 |
|
|
outl(0xFFFFFFFF, ioaddr + CSR14);
|
415 |
|
|
outl(0x00000008, ioaddr + CSR15); /* Listen on AUI also. */
|
416 |
|
|
tp->csr6 = 0x80020000;
|
417 |
|
|
if (tp->sym_advertise & 0x0040)
|
418 |
|
|
tp->csr6 |= FullDuplex;
|
419 |
|
|
outl(tp->csr6, ioaddr + CSR6);
|
420 |
|
|
outl(0x0000EF01, ioaddr + CSR13);
|
421 |
|
|
|
422 |
|
|
} else if (tp->chip_id == DC21142) {
|
423 |
|
|
if (tp->mii_cnt) {
|
424 |
|
|
tulip_select_media(dev, 1);
|
425 |
|
|
if (tulip_debug > 1)
|
426 |
|
|
printk(KERN_INFO "%s: Using MII transceiver %d, status "
|
427 |
|
|
"%4.4x.\n",
|
428 |
|
|
dev->name, tp->phys[0], tulip_mdio_read(dev, tp->phys[0], 1));
|
429 |
|
|
outl(csr6_mask_defstate, ioaddr + CSR6);
|
430 |
|
|
tp->csr6 = csr6_mask_hdcap;
|
431 |
|
|
dev->if_port = 11;
|
432 |
|
|
outl(0x0000, ioaddr + CSR13);
|
433 |
|
|
outl(0x0000, ioaddr + CSR14);
|
434 |
|
|
} else
|
435 |
|
|
t21142_start_nway(dev);
|
436 |
|
|
} else if (tp->chip_id == PNIC2) {
|
437 |
|
|
/* for initial startup advertise 10/100 Full and Half */
|
438 |
|
|
tp->sym_advertise = 0x01E0;
|
439 |
|
|
/* enable autonegotiate end interrupt */
|
440 |
|
|
outl(inl(ioaddr+CSR5)| 0x00008010, ioaddr + CSR5);
|
441 |
|
|
outl(inl(ioaddr+CSR7)| 0x00008010, ioaddr + CSR7);
|
442 |
|
|
pnic2_start_nway(dev);
|
443 |
|
|
} else if (tp->chip_id == LC82C168 && ! tp->medialock) {
|
444 |
|
|
if (tp->mii_cnt) {
|
445 |
|
|
dev->if_port = 11;
|
446 |
|
|
tp->csr6 = 0x814C0000 | (tp->full_duplex ? 0x0200 : 0);
|
447 |
|
|
outl(0x0001, ioaddr + CSR15);
|
448 |
|
|
} else if (inl(ioaddr + CSR5) & TPLnkPass)
|
449 |
|
|
pnic_do_nway(dev);
|
450 |
|
|
else {
|
451 |
|
|
/* Start with 10mbps to do autonegotiation. */
|
452 |
|
|
outl(0x32, ioaddr + CSR12);
|
453 |
|
|
tp->csr6 = 0x00420000;
|
454 |
|
|
outl(0x0001B078, ioaddr + 0xB8);
|
455 |
|
|
outl(0x0201B078, ioaddr + 0xB8);
|
456 |
|
|
next_tick = 1*HZ;
|
457 |
|
|
}
|
458 |
|
|
} else if ((tp->chip_id == MX98713 || tp->chip_id == COMPEX9881)
|
459 |
|
|
&& ! tp->medialock) {
|
460 |
|
|
dev->if_port = 0;
|
461 |
|
|
tp->csr6 = 0x01880000 | (tp->full_duplex ? 0x0200 : 0);
|
462 |
|
|
outl(0x0f370000 | inw(ioaddr + 0x80), ioaddr + 0x80);
|
463 |
|
|
} else if (tp->chip_id == MX98715 || tp->chip_id == MX98725) {
|
464 |
|
|
/* Provided by BOLO, Macronix - 12/10/1998. */
|
465 |
|
|
dev->if_port = 0;
|
466 |
|
|
tp->csr6 = 0x01a80200;
|
467 |
|
|
outl(0x0f370000 | inw(ioaddr + 0x80), ioaddr + 0x80);
|
468 |
|
|
outl(0x11000 | inw(ioaddr + 0xa0), ioaddr + 0xa0);
|
469 |
|
|
} else if (tp->chip_id == COMET || tp->chip_id == CONEXANT) {
|
470 |
|
|
/* Enable automatic Tx underrun recovery. */
|
471 |
|
|
outl(inl(ioaddr + 0x88) | 1, ioaddr + 0x88);
|
472 |
|
|
dev->if_port = tp->mii_cnt ? 11 : 0;
|
473 |
|
|
tp->csr6 = 0x00040000;
|
474 |
|
|
} else if (tp->chip_id == AX88140) {
|
475 |
|
|
tp->csr6 = tp->mii_cnt ? 0x00040100 : 0x00000100;
|
476 |
|
|
} else
|
477 |
|
|
tulip_select_media(dev, 1);
|
478 |
|
|
|
479 |
|
|
/* Start the chip's Tx to process setup frame. */
|
480 |
|
|
tulip_stop_rxtx(tp);
|
481 |
|
|
barrier();
|
482 |
|
|
udelay(5);
|
483 |
|
|
outl(tp->csr6 | TxOn, ioaddr + CSR6);
|
484 |
|
|
|
485 |
|
|
/* Enable interrupts by setting the interrupt mask. */
|
486 |
|
|
outl(tulip_tbl[tp->chip_id].valid_intrs, ioaddr + CSR5);
|
487 |
|
|
outl(tulip_tbl[tp->chip_id].valid_intrs, ioaddr + CSR7);
|
488 |
|
|
tulip_start_rxtx(tp);
|
489 |
|
|
outl(0, ioaddr + CSR2); /* Rx poll demand */
|
490 |
|
|
|
491 |
|
|
if (tulip_debug > 2) {
|
492 |
|
|
printk(KERN_DEBUG "%s: Done tulip_up(), CSR0 %8.8x, CSR5 %8.8x CSR6 %8.8x.\n",
|
493 |
|
|
dev->name, inl(ioaddr + CSR0), inl(ioaddr + CSR5),
|
494 |
|
|
inl(ioaddr + CSR6));
|
495 |
|
|
}
|
496 |
|
|
|
497 |
|
|
/* Set the timer to switch to check for link beat and perhaps switch
|
498 |
|
|
to an alternate media type. */
|
499 |
|
|
tp->timer.expires = RUN_AT(next_tick);
|
500 |
|
|
add_timer(&tp->timer);
|
501 |
|
|
}
|
502 |
|
|
|
503 |
|
|
#ifdef CONFIG_NET_HW_FLOWCONTROL
|
504 |
|
|
/* Enable receiver */
|
505 |
|
|
void tulip_xon(struct net_device *dev)
|
506 |
|
|
{
|
507 |
|
|
struct tulip_private *tp = (struct tulip_private *)dev->priv;
|
508 |
|
|
|
509 |
|
|
clear_bit(tp->fc_bit, &netdev_fc_xoff);
|
510 |
|
|
if (netif_running(dev)){
|
511 |
|
|
|
512 |
|
|
tulip_refill_rx(dev);
|
513 |
|
|
outl(tulip_tbl[tp->chip_id].valid_intrs, dev->base_addr+CSR7);
|
514 |
|
|
}
|
515 |
|
|
}
|
516 |
|
|
#endif
|
517 |
|
|
|
518 |
|
|
static int
|
519 |
|
|
tulip_open(struct net_device *dev)
|
520 |
|
|
{
|
521 |
|
|
#ifdef CONFIG_NET_HW_FLOWCONTROL
|
522 |
|
|
struct tulip_private *tp = (struct tulip_private *)dev->priv;
|
523 |
|
|
#endif
|
524 |
|
|
int retval;
|
525 |
|
|
MOD_INC_USE_COUNT;
|
526 |
|
|
|
527 |
|
|
if ((retval = request_irq(dev->irq, &tulip_interrupt, SA_SHIRQ, dev->name, dev))) {
|
528 |
|
|
MOD_DEC_USE_COUNT;
|
529 |
|
|
return retval;
|
530 |
|
|
}
|
531 |
|
|
|
532 |
|
|
tulip_init_ring (dev);
|
533 |
|
|
|
534 |
|
|
tulip_up (dev);
|
535 |
|
|
|
536 |
|
|
#ifdef CONFIG_NET_HW_FLOWCONTROL
|
537 |
|
|
tp->fc_bit = netdev_register_fc(dev, tulip_xon);
|
538 |
|
|
#endif
|
539 |
|
|
|
540 |
|
|
netif_start_queue (dev);
|
541 |
|
|
|
542 |
|
|
return 0;
|
543 |
|
|
}
|
544 |
|
|
|
545 |
|
|
|
546 |
|
|
static void tulip_tx_timeout(struct net_device *dev)
|
547 |
|
|
{
|
548 |
|
|
struct tulip_private *tp = (struct tulip_private *)dev->priv;
|
549 |
|
|
long ioaddr = dev->base_addr;
|
550 |
|
|
unsigned long flags;
|
551 |
|
|
|
552 |
|
|
spin_lock_irqsave (&tp->lock, flags);
|
553 |
|
|
|
554 |
|
|
if (tulip_media_cap[dev->if_port] & MediaIsMII) {
|
555 |
|
|
/* Do nothing -- the media monitor should handle this. */
|
556 |
|
|
if (tulip_debug > 1)
|
557 |
|
|
printk(KERN_WARNING "%s: Transmit timeout using MII device.\n",
|
558 |
|
|
dev->name);
|
559 |
|
|
} else if (tp->chip_id == DC21040) {
|
560 |
|
|
if ( !tp->medialock && inl(ioaddr + CSR12) & 0x0002) {
|
561 |
|
|
dev->if_port = (dev->if_port == 2 ? 0 : 2);
|
562 |
|
|
printk(KERN_INFO "%s: 21040 transmit timed out, switching to "
|
563 |
|
|
"%s.\n",
|
564 |
|
|
dev->name, medianame[dev->if_port]);
|
565 |
|
|
tulip_select_media(dev, 0);
|
566 |
|
|
}
|
567 |
|
|
goto out;
|
568 |
|
|
} else if (tp->chip_id == DC21041) {
|
569 |
|
|
int csr12 = inl(ioaddr + CSR12);
|
570 |
|
|
|
571 |
|
|
printk(KERN_WARNING "%s: 21041 transmit timed out, status %8.8x, "
|
572 |
|
|
"CSR12 %8.8x, CSR13 %8.8x, CSR14 %8.8x, resetting...\n",
|
573 |
|
|
dev->name, inl(ioaddr + CSR5), csr12,
|
574 |
|
|
inl(ioaddr + CSR13), inl(ioaddr + CSR14));
|
575 |
|
|
tp->mediasense = 1;
|
576 |
|
|
if ( ! tp->medialock) {
|
577 |
|
|
if (dev->if_port == 1 || dev->if_port == 2)
|
578 |
|
|
if (csr12 & 0x0004) {
|
579 |
|
|
dev->if_port = 2 - dev->if_port;
|
580 |
|
|
} else
|
581 |
|
|
dev->if_port = 0;
|
582 |
|
|
else if (dev->if_port != 0 || (csr12 & 0x0004) != 0)
|
583 |
|
|
dev->if_port = 1;
|
584 |
|
|
tulip_select_media(dev, 0);
|
585 |
|
|
}
|
586 |
|
|
} else if (tp->chip_id == DC21140 || tp->chip_id == DC21142
|
587 |
|
|
|| tp->chip_id == MX98713 || tp->chip_id == COMPEX9881
|
588 |
|
|
|| tp->chip_id == DM910X) {
|
589 |
|
|
printk(KERN_WARNING "%s: 21140 transmit timed out, status %8.8x, "
|
590 |
|
|
"SIA %8.8x %8.8x %8.8x %8.8x, resetting...\n",
|
591 |
|
|
dev->name, inl(ioaddr + CSR5), inl(ioaddr + CSR12),
|
592 |
|
|
inl(ioaddr + CSR13), inl(ioaddr + CSR14), inl(ioaddr + CSR15));
|
593 |
|
|
if ( ! tp->medialock && tp->mtable) {
|
594 |
|
|
do
|
595 |
|
|
--tp->cur_index;
|
596 |
|
|
while (tp->cur_index >= 0
|
597 |
|
|
&& (tulip_media_cap[tp->mtable->mleaf[tp->cur_index].media]
|
598 |
|
|
& MediaIsFD));
|
599 |
|
|
if (--tp->cur_index < 0) {
|
600 |
|
|
/* We start again, but should instead look for default. */
|
601 |
|
|
tp->cur_index = tp->mtable->leafcount - 1;
|
602 |
|
|
}
|
603 |
|
|
tulip_select_media(dev, 0);
|
604 |
|
|
printk(KERN_WARNING "%s: transmit timed out, switching to %s "
|
605 |
|
|
"media.\n", dev->name, medianame[dev->if_port]);
|
606 |
|
|
}
|
607 |
|
|
} else if (tp->chip_id == PNIC2) {
|
608 |
|
|
printk(KERN_WARNING "%s: PNIC2 transmit timed out, status %8.8x, "
|
609 |
|
|
"CSR6/7 %8.8x / %8.8x CSR12 %8.8x, resetting...\n",
|
610 |
|
|
dev->name, (int)inl(ioaddr + CSR5), (int)inl(ioaddr + CSR6),
|
611 |
|
|
(int)inl(ioaddr + CSR7), (int)inl(ioaddr + CSR12));
|
612 |
|
|
} else {
|
613 |
|
|
printk(KERN_WARNING "%s: Transmit timed out, status %8.8x, CSR12 "
|
614 |
|
|
"%8.8x, resetting...\n",
|
615 |
|
|
dev->name, inl(ioaddr + CSR5), inl(ioaddr + CSR12));
|
616 |
|
|
dev->if_port = 0;
|
617 |
|
|
}
|
618 |
|
|
|
619 |
|
|
#if defined(way_too_many_messages)
|
620 |
|
|
if (tulip_debug > 3) {
|
621 |
|
|
int i;
|
622 |
|
|
for (i = 0; i < RX_RING_SIZE; i++) {
|
623 |
|
|
u8 *buf = (u8 *)(tp->rx_ring[i].buffer1);
|
624 |
|
|
int j;
|
625 |
|
|
printk(KERN_DEBUG "%2d: %8.8x %8.8x %8.8x %8.8x "
|
626 |
|
|
"%2.2x %2.2x %2.2x.\n",
|
627 |
|
|
i, (unsigned int)tp->rx_ring[i].status,
|
628 |
|
|
(unsigned int)tp->rx_ring[i].length,
|
629 |
|
|
(unsigned int)tp->rx_ring[i].buffer1,
|
630 |
|
|
(unsigned int)tp->rx_ring[i].buffer2,
|
631 |
|
|
buf[0], buf[1], buf[2]);
|
632 |
|
|
for (j = 0; buf[j] != 0xee && j < 1600; j++)
|
633 |
|
|
if (j < 100) printk(" %2.2x", buf[j]);
|
634 |
|
|
printk(" j=%d.\n", j);
|
635 |
|
|
}
|
636 |
|
|
printk(KERN_DEBUG " Rx ring %8.8x: ", (int)tp->rx_ring);
|
637 |
|
|
for (i = 0; i < RX_RING_SIZE; i++)
|
638 |
|
|
printk(" %8.8x", (unsigned int)tp->rx_ring[i].status);
|
639 |
|
|
printk("\n" KERN_DEBUG " Tx ring %8.8x: ", (int)tp->tx_ring);
|
640 |
|
|
for (i = 0; i < TX_RING_SIZE; i++)
|
641 |
|
|
printk(" %8.8x", (unsigned int)tp->tx_ring[i].status);
|
642 |
|
|
printk("\n");
|
643 |
|
|
}
|
644 |
|
|
#endif
|
645 |
|
|
|
646 |
|
|
/* Stop and restart the chip's Tx processes . */
|
647 |
|
|
#ifdef CONFIG_NET_HW_FLOWCONTROL
|
648 |
|
|
if (tp->fc_bit && test_bit(tp->fc_bit,&netdev_fc_xoff))
|
649 |
|
|
printk("BUG tx_timeout restarting rx when fc on\n");
|
650 |
|
|
#endif
|
651 |
|
|
tulip_restart_rxtx(tp);
|
652 |
|
|
/* Trigger an immediate transmit demand. */
|
653 |
|
|
outl(0, ioaddr + CSR1);
|
654 |
|
|
|
655 |
|
|
tp->stats.tx_errors++;
|
656 |
|
|
|
657 |
|
|
out:
|
658 |
|
|
spin_unlock_irqrestore (&tp->lock, flags);
|
659 |
|
|
dev->trans_start = jiffies;
|
660 |
|
|
netif_wake_queue (dev);
|
661 |
|
|
}
|
662 |
|
|
|
663 |
|
|
|
664 |
|
|
/* Initialize the Rx and Tx rings, along with various 'dev' bits. */
|
665 |
|
|
static void tulip_init_ring(struct net_device *dev)
|
666 |
|
|
{
|
667 |
|
|
struct tulip_private *tp = (struct tulip_private *)dev->priv;
|
668 |
|
|
int i;
|
669 |
|
|
|
670 |
|
|
tp->susp_rx = 0;
|
671 |
|
|
tp->ttimer = 0;
|
672 |
|
|
tp->nir = 0;
|
673 |
|
|
|
674 |
|
|
for (i = 0; i < RX_RING_SIZE; i++) {
|
675 |
|
|
tp->rx_ring[i].status = 0x00000000;
|
676 |
|
|
tp->rx_ring[i].length = cpu_to_le32(PKT_BUF_SZ);
|
677 |
|
|
tp->rx_ring[i].buffer2 = cpu_to_le32(tp->rx_ring_dma + sizeof(struct tulip_rx_desc) * (i + 1));
|
678 |
|
|
tp->rx_buffers[i].skb = NULL;
|
679 |
|
|
tp->rx_buffers[i].mapping = 0;
|
680 |
|
|
}
|
681 |
|
|
/* Mark the last entry as wrapping the ring. */
|
682 |
|
|
tp->rx_ring[i-1].length = cpu_to_le32(PKT_BUF_SZ | DESC_RING_WRAP);
|
683 |
|
|
tp->rx_ring[i-1].buffer2 = cpu_to_le32(tp->rx_ring_dma);
|
684 |
|
|
|
685 |
|
|
for (i = 0; i < RX_RING_SIZE; i++) {
|
686 |
|
|
dma_addr_t mapping;
|
687 |
|
|
|
688 |
|
|
/* Note the receive buffer must be longword aligned.
|
689 |
|
|
dev_alloc_skb() provides 16 byte alignment. But do *not*
|
690 |
|
|
use skb_reserve() to align the IP header! */
|
691 |
|
|
struct sk_buff *skb = dev_alloc_skb(PKT_BUF_SZ);
|
692 |
|
|
tp->rx_buffers[i].skb = skb;
|
693 |
|
|
if (skb == NULL)
|
694 |
|
|
break;
|
695 |
|
|
mapping = pci_map_single(tp->pdev, skb->tail,
|
696 |
|
|
PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
|
697 |
|
|
tp->rx_buffers[i].mapping = mapping;
|
698 |
|
|
skb->dev = dev; /* Mark as being used by this device. */
|
699 |
|
|
tp->rx_ring[i].status = cpu_to_le32(DescOwned); /* Owned by Tulip chip */
|
700 |
|
|
tp->rx_ring[i].buffer1 = cpu_to_le32(mapping);
|
701 |
|
|
}
|
702 |
|
|
tp->dirty_rx = (unsigned int)(i - RX_RING_SIZE);
|
703 |
|
|
|
704 |
|
|
/* The Tx buffer descriptor is filled in as needed, but we
|
705 |
|
|
do need to clear the ownership bit. */
|
706 |
|
|
for (i = 0; i < TX_RING_SIZE; i++) {
|
707 |
|
|
tp->tx_buffers[i].skb = NULL;
|
708 |
|
|
tp->tx_buffers[i].mapping = 0;
|
709 |
|
|
tp->tx_ring[i].status = 0x00000000;
|
710 |
|
|
tp->tx_ring[i].buffer2 = cpu_to_le32(tp->tx_ring_dma + sizeof(struct tulip_tx_desc) * (i + 1));
|
711 |
|
|
}
|
712 |
|
|
tp->tx_ring[i-1].buffer2 = cpu_to_le32(tp->tx_ring_dma);
|
713 |
|
|
}
|
714 |
|
|
|
715 |
|
|
static int
|
716 |
|
|
tulip_start_xmit(struct sk_buff *skb, struct net_device *dev)
|
717 |
|
|
{
|
718 |
|
|
struct tulip_private *tp = (struct tulip_private *)dev->priv;
|
719 |
|
|
int entry;
|
720 |
|
|
u32 flag;
|
721 |
|
|
dma_addr_t mapping;
|
722 |
|
|
unsigned long eflags;
|
723 |
|
|
|
724 |
|
|
spin_lock_irqsave(&tp->lock, eflags);
|
725 |
|
|
|
726 |
|
|
/* Calculate the next Tx descriptor entry. */
|
727 |
|
|
entry = tp->cur_tx % TX_RING_SIZE;
|
728 |
|
|
|
729 |
|
|
tp->tx_buffers[entry].skb = skb;
|
730 |
|
|
mapping = pci_map_single(tp->pdev, skb->data,
|
731 |
|
|
skb->len, PCI_DMA_TODEVICE);
|
732 |
|
|
tp->tx_buffers[entry].mapping = mapping;
|
733 |
|
|
tp->tx_ring[entry].buffer1 = cpu_to_le32(mapping);
|
734 |
|
|
|
735 |
|
|
if (tp->cur_tx - tp->dirty_tx < TX_RING_SIZE/2) {/* Typical path */
|
736 |
|
|
flag = 0x60000000; /* No interrupt */
|
737 |
|
|
} else if (tp->cur_tx - tp->dirty_tx == TX_RING_SIZE/2) {
|
738 |
|
|
flag = 0xe0000000; /* Tx-done intr. */
|
739 |
|
|
} else if (tp->cur_tx - tp->dirty_tx < TX_RING_SIZE - 2) {
|
740 |
|
|
flag = 0x60000000; /* No Tx-done intr. */
|
741 |
|
|
} else { /* Leave room for set_rx_mode() to fill entries. */
|
742 |
|
|
flag = 0xe0000000; /* Tx-done intr. */
|
743 |
|
|
netif_stop_queue(dev);
|
744 |
|
|
}
|
745 |
|
|
if (entry == TX_RING_SIZE-1)
|
746 |
|
|
flag = 0xe0000000 | DESC_RING_WRAP;
|
747 |
|
|
|
748 |
|
|
tp->tx_ring[entry].length = cpu_to_le32(skb->len | flag);
|
749 |
|
|
/* if we were using Transmit Automatic Polling, we would need a
|
750 |
|
|
* wmb() here. */
|
751 |
|
|
tp->tx_ring[entry].status = cpu_to_le32(DescOwned);
|
752 |
|
|
wmb();
|
753 |
|
|
|
754 |
|
|
tp->cur_tx++;
|
755 |
|
|
|
756 |
|
|
/* Trigger an immediate transmit demand. */
|
757 |
|
|
outl(0, dev->base_addr + CSR1);
|
758 |
|
|
|
759 |
|
|
spin_unlock_irqrestore(&tp->lock, eflags);
|
760 |
|
|
|
761 |
|
|
dev->trans_start = jiffies;
|
762 |
|
|
|
763 |
|
|
return 0;
|
764 |
|
|
}
|
765 |
|
|
|
766 |
|
|
static void tulip_clean_tx_ring(struct tulip_private *tp)
|
767 |
|
|
{
|
768 |
|
|
unsigned int dirty_tx;
|
769 |
|
|
|
770 |
|
|
for (dirty_tx = tp->dirty_tx ; tp->cur_tx - dirty_tx > 0;
|
771 |
|
|
dirty_tx++) {
|
772 |
|
|
int entry = dirty_tx % TX_RING_SIZE;
|
773 |
|
|
int status = le32_to_cpu(tp->tx_ring[entry].status);
|
774 |
|
|
|
775 |
|
|
if (status < 0) {
|
776 |
|
|
tp->stats.tx_errors++; /* It wasn't Txed */
|
777 |
|
|
tp->tx_ring[entry].status = 0;
|
778 |
|
|
}
|
779 |
|
|
|
780 |
|
|
/* Check for Tx filter setup frames. */
|
781 |
|
|
if (tp->tx_buffers[entry].skb == NULL) {
|
782 |
|
|
/* test because dummy frames not mapped */
|
783 |
|
|
if (tp->tx_buffers[entry].mapping)
|
784 |
|
|
pci_unmap_single(tp->pdev,
|
785 |
|
|
tp->tx_buffers[entry].mapping,
|
786 |
|
|
sizeof(tp->setup_frame),
|
787 |
|
|
PCI_DMA_TODEVICE);
|
788 |
|
|
continue;
|
789 |
|
|
}
|
790 |
|
|
|
791 |
|
|
pci_unmap_single(tp->pdev, tp->tx_buffers[entry].mapping,
|
792 |
|
|
tp->tx_buffers[entry].skb->len,
|
793 |
|
|
PCI_DMA_TODEVICE);
|
794 |
|
|
|
795 |
|
|
/* Free the original skb. */
|
796 |
|
|
dev_kfree_skb_irq(tp->tx_buffers[entry].skb);
|
797 |
|
|
tp->tx_buffers[entry].skb = NULL;
|
798 |
|
|
tp->tx_buffers[entry].mapping = 0;
|
799 |
|
|
}
|
800 |
|
|
}
|
801 |
|
|
|
802 |
|
|
static void tulip_down (struct net_device *dev)
|
803 |
|
|
{
|
804 |
|
|
long ioaddr = dev->base_addr;
|
805 |
|
|
struct tulip_private *tp = (struct tulip_private *) dev->priv;
|
806 |
|
|
unsigned long flags;
|
807 |
|
|
|
808 |
|
|
del_timer_sync (&tp->timer);
|
809 |
|
|
|
810 |
|
|
spin_lock_irqsave (&tp->lock, flags);
|
811 |
|
|
|
812 |
|
|
/* Disable interrupts by clearing the interrupt mask. */
|
813 |
|
|
outl (0x00000000, ioaddr + CSR7);
|
814 |
|
|
|
815 |
|
|
/* Stop the Tx and Rx processes. */
|
816 |
|
|
tulip_stop_rxtx(tp);
|
817 |
|
|
|
818 |
|
|
/* prepare receive buffers */
|
819 |
|
|
tulip_refill_rx(dev);
|
820 |
|
|
|
821 |
|
|
/* release any unconsumed transmit buffers */
|
822 |
|
|
tulip_clean_tx_ring(tp);
|
823 |
|
|
|
824 |
|
|
/* 21040 -- Leave the card in 10baseT state. */
|
825 |
|
|
if (tp->chip_id == DC21040)
|
826 |
|
|
outl (0x00000004, ioaddr + CSR13);
|
827 |
|
|
|
828 |
|
|
if (inl (ioaddr + CSR6) != 0xffffffff)
|
829 |
|
|
tp->stats.rx_missed_errors += inl (ioaddr + CSR8) & 0xffff;
|
830 |
|
|
|
831 |
|
|
spin_unlock_irqrestore (&tp->lock, flags);
|
832 |
|
|
|
833 |
|
|
init_timer(&tp->timer);
|
834 |
|
|
tp->timer.data = (unsigned long)dev;
|
835 |
|
|
tp->timer.function = tulip_tbl[tp->chip_id].media_timer;
|
836 |
|
|
|
837 |
|
|
dev->if_port = tp->saved_if_port;
|
838 |
|
|
|
839 |
|
|
/* Leave the driver in snooze, not sleep, mode. */
|
840 |
|
|
tulip_set_power_state (tp, 0, 1);
|
841 |
|
|
}
|
842 |
|
|
|
843 |
|
|
|
844 |
|
|
static int tulip_close (struct net_device *dev)
|
845 |
|
|
{
|
846 |
|
|
long ioaddr = dev->base_addr;
|
847 |
|
|
struct tulip_private *tp = (struct tulip_private *) dev->priv;
|
848 |
|
|
int i;
|
849 |
|
|
|
850 |
|
|
netif_stop_queue (dev);
|
851 |
|
|
|
852 |
|
|
#ifdef CONFIG_NET_HW_FLOWCONTROL
|
853 |
|
|
if (tp->fc_bit) {
|
854 |
|
|
int bit = tp->fc_bit;
|
855 |
|
|
tp->fc_bit = 0;
|
856 |
|
|
netdev_unregister_fc(bit);
|
857 |
|
|
}
|
858 |
|
|
#endif
|
859 |
|
|
tulip_down (dev);
|
860 |
|
|
|
861 |
|
|
if (tulip_debug > 1)
|
862 |
|
|
printk (KERN_DEBUG "%s: Shutting down ethercard, status was %2.2x.\n",
|
863 |
|
|
dev->name, inl (ioaddr + CSR5));
|
864 |
|
|
|
865 |
|
|
free_irq (dev->irq, dev);
|
866 |
|
|
|
867 |
|
|
/* Free all the skbuffs in the Rx queue. */
|
868 |
|
|
for (i = 0; i < RX_RING_SIZE; i++) {
|
869 |
|
|
struct sk_buff *skb = tp->rx_buffers[i].skb;
|
870 |
|
|
dma_addr_t mapping = tp->rx_buffers[i].mapping;
|
871 |
|
|
|
872 |
|
|
tp->rx_buffers[i].skb = NULL;
|
873 |
|
|
tp->rx_buffers[i].mapping = 0;
|
874 |
|
|
|
875 |
|
|
tp->rx_ring[i].status = 0; /* Not owned by Tulip chip. */
|
876 |
|
|
tp->rx_ring[i].length = 0;
|
877 |
|
|
tp->rx_ring[i].buffer1 = 0xBADF00D0; /* An invalid address. */
|
878 |
|
|
if (skb) {
|
879 |
|
|
pci_unmap_single(tp->pdev, mapping, PKT_BUF_SZ,
|
880 |
|
|
PCI_DMA_FROMDEVICE);
|
881 |
|
|
dev_kfree_skb (skb);
|
882 |
|
|
}
|
883 |
|
|
}
|
884 |
|
|
for (i = 0; i < TX_RING_SIZE; i++) {
|
885 |
|
|
struct sk_buff *skb = tp->tx_buffers[i].skb;
|
886 |
|
|
|
887 |
|
|
if (skb != NULL) {
|
888 |
|
|
pci_unmap_single(tp->pdev, tp->tx_buffers[i].mapping,
|
889 |
|
|
skb->len, PCI_DMA_TODEVICE);
|
890 |
|
|
dev_kfree_skb (skb);
|
891 |
|
|
}
|
892 |
|
|
tp->tx_buffers[i].skb = NULL;
|
893 |
|
|
tp->tx_buffers[i].mapping = 0;
|
894 |
|
|
}
|
895 |
|
|
|
896 |
|
|
MOD_DEC_USE_COUNT;
|
897 |
|
|
|
898 |
|
|
return 0;
|
899 |
|
|
}
|
900 |
|
|
|
901 |
|
|
static struct net_device_stats *tulip_get_stats(struct net_device *dev)
|
902 |
|
|
{
|
903 |
|
|
struct tulip_private *tp = (struct tulip_private *)dev->priv;
|
904 |
|
|
long ioaddr = dev->base_addr;
|
905 |
|
|
|
906 |
|
|
if (netif_running(dev)) {
|
907 |
|
|
unsigned long flags;
|
908 |
|
|
|
909 |
|
|
spin_lock_irqsave (&tp->lock, flags);
|
910 |
|
|
|
911 |
|
|
tp->stats.rx_missed_errors += inl(ioaddr + CSR8) & 0xffff;
|
912 |
|
|
|
913 |
|
|
spin_unlock_irqrestore(&tp->lock, flags);
|
914 |
|
|
}
|
915 |
|
|
|
916 |
|
|
return &tp->stats;
|
917 |
|
|
}
|
918 |
|
|
|
919 |
|
|
|
920 |
|
|
static int netdev_ethtool_ioctl(struct net_device *dev, void *useraddr)
|
921 |
|
|
{
|
922 |
|
|
struct tulip_private *np = dev->priv;
|
923 |
|
|
u32 ethcmd;
|
924 |
|
|
|
925 |
|
|
if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd)))
|
926 |
|
|
return -EFAULT;
|
927 |
|
|
|
928 |
|
|
switch (ethcmd) {
|
929 |
|
|
case ETHTOOL_GDRVINFO: {
|
930 |
|
|
struct ethtool_drvinfo info = {ETHTOOL_GDRVINFO};
|
931 |
|
|
strcpy(info.driver, DRV_NAME);
|
932 |
|
|
strcpy(info.version, DRV_VERSION);
|
933 |
|
|
strcpy(info.bus_info, np->pdev->slot_name);
|
934 |
|
|
if (copy_to_user(useraddr, &info, sizeof(info)))
|
935 |
|
|
return -EFAULT;
|
936 |
|
|
return 0;
|
937 |
|
|
}
|
938 |
|
|
|
939 |
|
|
}
|
940 |
|
|
|
941 |
|
|
return -EOPNOTSUPP;
|
942 |
|
|
}
|
943 |
|
|
|
944 |
|
|
/* Provide ioctl() calls to examine the MII xcvr state. */
|
945 |
|
|
static int private_ioctl (struct net_device *dev, struct ifreq *rq, int cmd)
|
946 |
|
|
{
|
947 |
|
|
struct tulip_private *tp = dev->priv;
|
948 |
|
|
long ioaddr = dev->base_addr;
|
949 |
|
|
struct mii_ioctl_data *data = (struct mii_ioctl_data *) & rq->ifr_data;
|
950 |
|
|
const unsigned int phy_idx = 0;
|
951 |
|
|
int phy = tp->phys[phy_idx] & 0x1f;
|
952 |
|
|
unsigned int regnum = data->reg_num;
|
953 |
|
|
|
954 |
|
|
switch (cmd) {
|
955 |
|
|
case SIOCETHTOOL:
|
956 |
|
|
return netdev_ethtool_ioctl(dev, (void *) rq->ifr_data);
|
957 |
|
|
|
958 |
|
|
case SIOCGMIIPHY: /* Get address of MII PHY in use. */
|
959 |
|
|
case SIOCDEVPRIVATE: /* for binary compat, remove in 2.5 */
|
960 |
|
|
if (tp->mii_cnt)
|
961 |
|
|
data->phy_id = phy;
|
962 |
|
|
else if (tp->flags & HAS_NWAY)
|
963 |
|
|
data->phy_id = 32;
|
964 |
|
|
else if (tp->chip_id == COMET)
|
965 |
|
|
data->phy_id = 1;
|
966 |
|
|
else
|
967 |
|
|
return -ENODEV;
|
968 |
|
|
|
969 |
|
|
case SIOCGMIIREG: /* Read MII PHY register. */
|
970 |
|
|
case SIOCDEVPRIVATE+1: /* for binary compat, remove in 2.5 */
|
971 |
|
|
if (data->phy_id == 32 && (tp->flags & HAS_NWAY)) {
|
972 |
|
|
int csr12 = inl (ioaddr + CSR12);
|
973 |
|
|
int csr14 = inl (ioaddr + CSR14);
|
974 |
|
|
switch (regnum) {
|
975 |
|
|
case 0:
|
976 |
|
|
if (((csr14<<5) & 0x1000) ||
|
977 |
|
|
(dev->if_port == 5 && tp->nwayset))
|
978 |
|
|
data->val_out = 0x1000;
|
979 |
|
|
else
|
980 |
|
|
data->val_out = (tulip_media_cap[dev->if_port]&MediaIs100 ? 0x2000 : 0)
|
981 |
|
|
| (tulip_media_cap[dev->if_port]&MediaIsFD ? 0x0100 : 0);
|
982 |
|
|
break;
|
983 |
|
|
case 1:
|
984 |
|
|
data->val_out =
|
985 |
|
|
0x1848 +
|
986 |
|
|
((csr12&0x7000) == 0x5000 ? 0x20 : 0) +
|
987 |
|
|
((csr12&0x06) == 6 ? 0 : 4);
|
988 |
|
|
if (tp->chip_id != DC21041)
|
989 |
|
|
data->val_out |= 0x6048;
|
990 |
|
|
break;
|
991 |
|
|
case 4:
|
992 |
|
|
/* Advertised value, bogus 10baseTx-FD value from CSR6. */
|
993 |
|
|
data->val_out =
|
994 |
|
|
((inl(ioaddr + CSR6) >> 3) & 0x0040) +
|
995 |
|
|
((csr14 >> 1) & 0x20) + 1;
|
996 |
|
|
if (tp->chip_id != DC21041)
|
997 |
|
|
data->val_out |= ((csr14 >> 9) & 0x03C0);
|
998 |
|
|
break;
|
999 |
|
|
case 5: data->val_out = tp->lpar; break;
|
1000 |
|
|
default: data->val_out = 0; break;
|
1001 |
|
|
}
|
1002 |
|
|
} else {
|
1003 |
|
|
data->val_out = tulip_mdio_read (dev, data->phy_id & 0x1f, regnum);
|
1004 |
|
|
}
|
1005 |
|
|
return 0;
|
1006 |
|
|
|
1007 |
|
|
case SIOCSMIIREG: /* Write MII PHY register. */
|
1008 |
|
|
case SIOCDEVPRIVATE+2: /* for binary compat, remove in 2.5 */
|
1009 |
|
|
if (!capable (CAP_NET_ADMIN))
|
1010 |
|
|
return -EPERM;
|
1011 |
|
|
if (regnum & ~0x1f)
|
1012 |
|
|
return -EINVAL;
|
1013 |
|
|
if (data->phy_id == phy) {
|
1014 |
|
|
u16 value = data->val_in;
|
1015 |
|
|
switch (regnum) {
|
1016 |
|
|
case 0: /* Check for autonegotiation on or reset. */
|
1017 |
|
|
tp->full_duplex_lock = (value & 0x9000) ? 0 : 1;
|
1018 |
|
|
if (tp->full_duplex_lock)
|
1019 |
|
|
tp->full_duplex = (value & 0x0100) ? 1 : 0;
|
1020 |
|
|
break;
|
1021 |
|
|
case 4:
|
1022 |
|
|
tp->advertising[phy_idx] =
|
1023 |
|
|
tp->mii_advertise = data->val_in;
|
1024 |
|
|
break;
|
1025 |
|
|
}
|
1026 |
|
|
}
|
1027 |
|
|
if (data->phy_id == 32 && (tp->flags & HAS_NWAY)) {
|
1028 |
|
|
u16 value = data->val_in;
|
1029 |
|
|
if (regnum == 0) {
|
1030 |
|
|
if ((value & 0x1200) == 0x1200) {
|
1031 |
|
|
if (tp->chip_id == PNIC2) {
|
1032 |
|
|
pnic2_start_nway (dev);
|
1033 |
|
|
} else {
|
1034 |
|
|
t21142_start_nway (dev);
|
1035 |
|
|
}
|
1036 |
|
|
}
|
1037 |
|
|
} else if (regnum == 4)
|
1038 |
|
|
tp->sym_advertise = value;
|
1039 |
|
|
} else {
|
1040 |
|
|
tulip_mdio_write (dev, data->phy_id & 0x1f, regnum, data->val_in);
|
1041 |
|
|
}
|
1042 |
|
|
return 0;
|
1043 |
|
|
default:
|
1044 |
|
|
return -EOPNOTSUPP;
|
1045 |
|
|
}
|
1046 |
|
|
|
1047 |
|
|
return -EOPNOTSUPP;
|
1048 |
|
|
}
|
1049 |
|
|
|
1050 |
|
|
|
1051 |
|
|
/* Set or clear the multicast filter for this adaptor.
|
1052 |
|
|
Note that we only use exclusion around actually queueing the
|
1053 |
|
|
new frame, not around filling tp->setup_frame. This is non-deterministic
|
1054 |
|
|
when re-entered but still correct. */
|
1055 |
|
|
|
1056 |
|
|
#undef set_bit_le
|
1057 |
|
|
#define set_bit_le(i,p) do { ((char *)(p))[(i)/8] |= (1<<((i)%8)); } while(0)
|
1058 |
|
|
|
1059 |
|
|
static void build_setup_frame_hash(u16 *setup_frm, struct net_device *dev)
|
1060 |
|
|
{
|
1061 |
|
|
struct tulip_private *tp = (struct tulip_private *)dev->priv;
|
1062 |
|
|
u16 hash_table[32];
|
1063 |
|
|
struct dev_mc_list *mclist;
|
1064 |
|
|
int i;
|
1065 |
|
|
u16 *eaddrs;
|
1066 |
|
|
|
1067 |
|
|
memset(hash_table, 0, sizeof(hash_table));
|
1068 |
|
|
set_bit_le(255, hash_table); /* Broadcast entry */
|
1069 |
|
|
/* This should work on big-endian machines as well. */
|
1070 |
|
|
for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
|
1071 |
|
|
i++, mclist = mclist->next) {
|
1072 |
|
|
int index = ether_crc_le(ETH_ALEN, mclist->dmi_addr) & 0x1ff;
|
1073 |
|
|
|
1074 |
|
|
set_bit_le(index, hash_table);
|
1075 |
|
|
|
1076 |
|
|
}
|
1077 |
|
|
for (i = 0; i < 32; i++) {
|
1078 |
|
|
*setup_frm++ = hash_table[i];
|
1079 |
|
|
*setup_frm++ = hash_table[i];
|
1080 |
|
|
}
|
1081 |
|
|
setup_frm = &tp->setup_frame[13*6];
|
1082 |
|
|
|
1083 |
|
|
/* Fill the final entry with our physical address. */
|
1084 |
|
|
eaddrs = (u16 *)dev->dev_addr;
|
1085 |
|
|
*setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[0];
|
1086 |
|
|
*setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1];
|
1087 |
|
|
*setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2];
|
1088 |
|
|
}
|
1089 |
|
|
|
1090 |
|
|
static void build_setup_frame_perfect(u16 *setup_frm, struct net_device *dev)
|
1091 |
|
|
{
|
1092 |
|
|
struct tulip_private *tp = (struct tulip_private *)dev->priv;
|
1093 |
|
|
struct dev_mc_list *mclist;
|
1094 |
|
|
int i;
|
1095 |
|
|
u16 *eaddrs;
|
1096 |
|
|
|
1097 |
|
|
/* We have <= 14 addresses so we can use the wonderful
|
1098 |
|
|
16 address perfect filtering of the Tulip. */
|
1099 |
|
|
for (i = 0, mclist = dev->mc_list; i < dev->mc_count;
|
1100 |
|
|
i++, mclist = mclist->next) {
|
1101 |
|
|
eaddrs = (u16 *)mclist->dmi_addr;
|
1102 |
|
|
*setup_frm++ = *eaddrs; *setup_frm++ = *eaddrs++;
|
1103 |
|
|
*setup_frm++ = *eaddrs; *setup_frm++ = *eaddrs++;
|
1104 |
|
|
*setup_frm++ = *eaddrs; *setup_frm++ = *eaddrs++;
|
1105 |
|
|
}
|
1106 |
|
|
/* Fill the unused entries with the broadcast address. */
|
1107 |
|
|
memset(setup_frm, 0xff, (15-i)*12);
|
1108 |
|
|
setup_frm = &tp->setup_frame[15*6];
|
1109 |
|
|
|
1110 |
|
|
/* Fill the final entry with our physical address. */
|
1111 |
|
|
eaddrs = (u16 *)dev->dev_addr;
|
1112 |
|
|
*setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[0];
|
1113 |
|
|
*setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1];
|
1114 |
|
|
*setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2];
|
1115 |
|
|
}
|
1116 |
|
|
|
1117 |
|
|
|
1118 |
|
|
static void set_rx_mode(struct net_device *dev)
|
1119 |
|
|
{
|
1120 |
|
|
struct tulip_private *tp = (struct tulip_private *)dev->priv;
|
1121 |
|
|
long ioaddr = dev->base_addr;
|
1122 |
|
|
int csr6;
|
1123 |
|
|
|
1124 |
|
|
csr6 = inl(ioaddr + CSR6) & ~0x00D5;
|
1125 |
|
|
|
1126 |
|
|
tp->csr6 &= ~0x00D5;
|
1127 |
|
|
if (dev->flags & IFF_PROMISC) { /* Set promiscuous. */
|
1128 |
|
|
tp->csr6 |= AcceptAllMulticast | AcceptAllPhys;
|
1129 |
|
|
csr6 |= AcceptAllMulticast | AcceptAllPhys;
|
1130 |
|
|
/* Unconditionally log net taps. */
|
1131 |
|
|
printk(KERN_INFO "%s: Promiscuous mode enabled.\n", dev->name);
|
1132 |
|
|
} else if ((dev->mc_count > 1000) || (dev->flags & IFF_ALLMULTI)) {
|
1133 |
|
|
/* Too many to filter well -- accept all multicasts. */
|
1134 |
|
|
tp->csr6 |= AcceptAllMulticast;
|
1135 |
|
|
csr6 |= AcceptAllMulticast;
|
1136 |
|
|
} else if (tp->flags & MC_HASH_ONLY) {
|
1137 |
|
|
/* Some work-alikes have only a 64-entry hash filter table. */
|
1138 |
|
|
/* Should verify correctness on big-endian/__powerpc__ */
|
1139 |
|
|
struct dev_mc_list *mclist;
|
1140 |
|
|
int i;
|
1141 |
|
|
if (dev->mc_count > 64) { /* Arbitrary non-effective limit. */
|
1142 |
|
|
tp->csr6 |= AcceptAllMulticast;
|
1143 |
|
|
csr6 |= AcceptAllMulticast;
|
1144 |
|
|
} else {
|
1145 |
|
|
u32 mc_filter[2] = {0, 0}; /* Multicast hash filter */
|
1146 |
|
|
int filterbit;
|
1147 |
|
|
for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
|
1148 |
|
|
i++, mclist = mclist->next) {
|
1149 |
|
|
if (tp->flags & COMET_MAC_ADDR)
|
1150 |
|
|
filterbit = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
|
1151 |
|
|
else
|
1152 |
|
|
filterbit = ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26;
|
1153 |
|
|
filterbit &= 0x3f;
|
1154 |
|
|
mc_filter[filterbit >> 5] |= cpu_to_le32(1 << (filterbit & 31));
|
1155 |
|
|
if (tulip_debug > 2) {
|
1156 |
|
|
printk(KERN_INFO "%s: Added filter for %2.2x:%2.2x:%2.2x:"
|
1157 |
|
|
"%2.2x:%2.2x:%2.2x %8.8x bit %d.\n", dev->name,
|
1158 |
|
|
mclist->dmi_addr[0], mclist->dmi_addr[1],
|
1159 |
|
|
mclist->dmi_addr[2], mclist->dmi_addr[3],
|
1160 |
|
|
mclist->dmi_addr[4], mclist->dmi_addr[5],
|
1161 |
|
|
ether_crc(ETH_ALEN, mclist->dmi_addr), filterbit);
|
1162 |
|
|
}
|
1163 |
|
|
}
|
1164 |
|
|
if (mc_filter[0] == tp->mc_filter[0] &&
|
1165 |
|
|
mc_filter[1] == tp->mc_filter[1])
|
1166 |
|
|
; /* No change. */
|
1167 |
|
|
else if (tp->flags & IS_ASIX) {
|
1168 |
|
|
outl(2, ioaddr + CSR13);
|
1169 |
|
|
outl(mc_filter[0], ioaddr + CSR14);
|
1170 |
|
|
outl(3, ioaddr + CSR13);
|
1171 |
|
|
outl(mc_filter[1], ioaddr + CSR14);
|
1172 |
|
|
} else if (tp->flags & COMET_MAC_ADDR) {
|
1173 |
|
|
outl(mc_filter[0], ioaddr + 0xAC);
|
1174 |
|
|
outl(mc_filter[1], ioaddr + 0xB0);
|
1175 |
|
|
}
|
1176 |
|
|
tp->mc_filter[0] = mc_filter[0];
|
1177 |
|
|
tp->mc_filter[1] = mc_filter[1];
|
1178 |
|
|
}
|
1179 |
|
|
} else {
|
1180 |
|
|
unsigned long flags;
|
1181 |
|
|
u32 tx_flags = 0x08000000 | 192;
|
1182 |
|
|
|
1183 |
|
|
/* Note that only the low-address shortword of setup_frame is valid!
|
1184 |
|
|
The values are doubled for big-endian architectures. */
|
1185 |
|
|
if (dev->mc_count > 14) { /* Must use a multicast hash table. */
|
1186 |
|
|
build_setup_frame_hash(tp->setup_frame, dev);
|
1187 |
|
|
tx_flags = 0x08400000 | 192;
|
1188 |
|
|
} else {
|
1189 |
|
|
build_setup_frame_perfect(tp->setup_frame, dev);
|
1190 |
|
|
}
|
1191 |
|
|
|
1192 |
|
|
spin_lock_irqsave(&tp->lock, flags);
|
1193 |
|
|
|
1194 |
|
|
if (tp->cur_tx - tp->dirty_tx > TX_RING_SIZE - 2) {
|
1195 |
|
|
/* Same setup recently queued, we need not add it. */
|
1196 |
|
|
} else {
|
1197 |
|
|
unsigned int entry;
|
1198 |
|
|
int dummy = -1;
|
1199 |
|
|
|
1200 |
|
|
/* Now add this frame to the Tx list. */
|
1201 |
|
|
|
1202 |
|
|
entry = tp->cur_tx++ % TX_RING_SIZE;
|
1203 |
|
|
|
1204 |
|
|
if (entry != 0) {
|
1205 |
|
|
/* Avoid a chip errata by prefixing a dummy entry. */
|
1206 |
|
|
tp->tx_buffers[entry].skb = NULL;
|
1207 |
|
|
tp->tx_buffers[entry].mapping = 0;
|
1208 |
|
|
tp->tx_ring[entry].length =
|
1209 |
|
|
(entry == TX_RING_SIZE-1) ? cpu_to_le32(DESC_RING_WRAP) : 0;
|
1210 |
|
|
tp->tx_ring[entry].buffer1 = 0;
|
1211 |
|
|
/* Must set DescOwned later to avoid race with chip */
|
1212 |
|
|
dummy = entry;
|
1213 |
|
|
entry = tp->cur_tx++ % TX_RING_SIZE;
|
1214 |
|
|
}
|
1215 |
|
|
|
1216 |
|
|
tp->tx_buffers[entry].skb = NULL;
|
1217 |
|
|
tp->tx_buffers[entry].mapping =
|
1218 |
|
|
pci_map_single(tp->pdev, tp->setup_frame,
|
1219 |
|
|
sizeof(tp->setup_frame),
|
1220 |
|
|
PCI_DMA_TODEVICE);
|
1221 |
|
|
/* Put the setup frame on the Tx list. */
|
1222 |
|
|
if (entry == TX_RING_SIZE-1)
|
1223 |
|
|
tx_flags |= DESC_RING_WRAP; /* Wrap ring. */
|
1224 |
|
|
tp->tx_ring[entry].length = cpu_to_le32(tx_flags);
|
1225 |
|
|
tp->tx_ring[entry].buffer1 =
|
1226 |
|
|
cpu_to_le32(tp->tx_buffers[entry].mapping);
|
1227 |
|
|
tp->tx_ring[entry].status = cpu_to_le32(DescOwned);
|
1228 |
|
|
if (dummy >= 0)
|
1229 |
|
|
tp->tx_ring[dummy].status = cpu_to_le32(DescOwned);
|
1230 |
|
|
if (tp->cur_tx - tp->dirty_tx >= TX_RING_SIZE - 2)
|
1231 |
|
|
netif_stop_queue(dev);
|
1232 |
|
|
|
1233 |
|
|
/* Trigger an immediate transmit demand. */
|
1234 |
|
|
outl(0, ioaddr + CSR1);
|
1235 |
|
|
}
|
1236 |
|
|
|
1237 |
|
|
spin_unlock_irqrestore(&tp->lock, flags);
|
1238 |
|
|
}
|
1239 |
|
|
|
1240 |
|
|
outl(csr6, ioaddr + CSR6);
|
1241 |
|
|
}
|
1242 |
|
|
|
1243 |
|
|
#ifdef CONFIG_TULIP_MWI
|
1244 |
|
|
static void __devinit tulip_mwi_config (struct pci_dev *pdev,
|
1245 |
|
|
struct net_device *dev)
|
1246 |
|
|
{
|
1247 |
|
|
struct tulip_private *tp = dev->priv;
|
1248 |
|
|
u8 cache;
|
1249 |
|
|
u16 pci_command;
|
1250 |
|
|
u32 csr0;
|
1251 |
|
|
|
1252 |
|
|
if (tulip_debug > 3)
|
1253 |
|
|
printk(KERN_DEBUG "%s: tulip_mwi_config()\n", pdev->slot_name);
|
1254 |
|
|
|
1255 |
|
|
tp->csr0 = csr0 = 0;
|
1256 |
|
|
|
1257 |
|
|
/* if we have any cache line size at all, we can do MRM */
|
1258 |
|
|
csr0 |= MRM;
|
1259 |
|
|
|
1260 |
|
|
/* ...and barring hardware bugs, MWI */
|
1261 |
|
|
if (!(tp->chip_id == DC21143 && tp->revision == 65))
|
1262 |
|
|
csr0 |= MWI;
|
1263 |
|
|
|
1264 |
|
|
/* set or disable MWI in the standard PCI command bit.
|
1265 |
|
|
* Check for the case where mwi is desired but not available
|
1266 |
|
|
*/
|
1267 |
|
|
if (csr0 & MWI) pci_set_mwi(pdev);
|
1268 |
|
|
else pci_clear_mwi(pdev);
|
1269 |
|
|
|
1270 |
|
|
/* read result from hardware (in case bit refused to enable) */
|
1271 |
|
|
pci_read_config_word(pdev, PCI_COMMAND, &pci_command);
|
1272 |
|
|
if ((csr0 & MWI) && (!(pci_command & PCI_COMMAND_INVALIDATE)))
|
1273 |
|
|
csr0 &= ~MWI;
|
1274 |
|
|
|
1275 |
|
|
/* if cache line size hardwired to zero, no MWI */
|
1276 |
|
|
pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &cache);
|
1277 |
|
|
if ((csr0 & MWI) && (cache == 0)) {
|
1278 |
|
|
csr0 &= ~MWI;
|
1279 |
|
|
pci_clear_mwi(pdev);
|
1280 |
|
|
}
|
1281 |
|
|
|
1282 |
|
|
/* assign per-cacheline-size cache alignment and
|
1283 |
|
|
* burst length values
|
1284 |
|
|
*/
|
1285 |
|
|
switch (cache) {
|
1286 |
|
|
case 8:
|
1287 |
|
|
csr0 |= MRL | (1 << CALShift) | (16 << BurstLenShift);
|
1288 |
|
|
break;
|
1289 |
|
|
case 16:
|
1290 |
|
|
csr0 |= MRL | (2 << CALShift) | (16 << BurstLenShift);
|
1291 |
|
|
break;
|
1292 |
|
|
case 32:
|
1293 |
|
|
csr0 |= MRL | (3 << CALShift) | (32 << BurstLenShift);
|
1294 |
|
|
break;
|
1295 |
|
|
default:
|
1296 |
|
|
cache = 0;
|
1297 |
|
|
break;
|
1298 |
|
|
}
|
1299 |
|
|
|
1300 |
|
|
/* if we have a good cache line size, we by now have a good
|
1301 |
|
|
* csr0, so save it and exit
|
1302 |
|
|
*/
|
1303 |
|
|
if (cache)
|
1304 |
|
|
goto out;
|
1305 |
|
|
|
1306 |
|
|
/* we don't have a good csr0 or cache line size, disable MWI */
|
1307 |
|
|
if (csr0 & MWI) {
|
1308 |
|
|
pci_clear_mwi(pdev);
|
1309 |
|
|
csr0 &= ~MWI;
|
1310 |
|
|
}
|
1311 |
|
|
|
1312 |
|
|
/* sane defaults for burst length and cache alignment
|
1313 |
|
|
* originally from de4x5 driver
|
1314 |
|
|
*/
|
1315 |
|
|
csr0 |= (8 << BurstLenShift) | (1 << CALShift);
|
1316 |
|
|
|
1317 |
|
|
out:
|
1318 |
|
|
tp->csr0 = csr0;
|
1319 |
|
|
if (tulip_debug > 2)
|
1320 |
|
|
printk(KERN_DEBUG "%s: MWI config cacheline=%d, csr0=%08x\n",
|
1321 |
|
|
pdev->slot_name, cache, csr0);
|
1322 |
|
|
}
|
1323 |
|
|
#endif
|
1324 |
|
|
|
1325 |
|
|
static int __devinit tulip_init_one (struct pci_dev *pdev,
|
1326 |
|
|
const struct pci_device_id *ent)
|
1327 |
|
|
{
|
1328 |
|
|
struct tulip_private *tp;
|
1329 |
|
|
/* See note below on the multiport cards. */
|
1330 |
|
|
static unsigned char last_phys_addr[6] = {0x00, 'L', 'i', 'n', 'u', 'x'};
|
1331 |
|
|
static int last_irq;
|
1332 |
|
|
static int multiport_cnt; /* For four-port boards w/one EEPROM */
|
1333 |
|
|
u8 chip_rev;
|
1334 |
|
|
int i, irq;
|
1335 |
|
|
unsigned short sum;
|
1336 |
|
|
u8 ee_data[EEPROM_SIZE];
|
1337 |
|
|
struct net_device *dev;
|
1338 |
|
|
long ioaddr;
|
1339 |
|
|
static int board_idx = -1;
|
1340 |
|
|
int chip_idx = ent->driver_data;
|
1341 |
|
|
unsigned int t2104x_mode = 0;
|
1342 |
|
|
unsigned int eeprom_missing = 0;
|
1343 |
|
|
unsigned int force_csr0 = 0;
|
1344 |
|
|
|
1345 |
|
|
#ifndef MODULE
|
1346 |
|
|
static int did_version; /* Already printed version info. */
|
1347 |
|
|
if (tulip_debug > 0 && did_version++ == 0)
|
1348 |
|
|
printk (KERN_INFO "%s", version);
|
1349 |
|
|
#endif
|
1350 |
|
|
|
1351 |
|
|
board_idx++;
|
1352 |
|
|
|
1353 |
|
|
/*
|
1354 |
|
|
* Lan media wire a tulip chip to a wan interface. Needs a very
|
1355 |
|
|
* different driver (lmc driver)
|
1356 |
|
|
*/
|
1357 |
|
|
|
1358 |
|
|
if (pdev->subsystem_vendor == PCI_VENDOR_ID_LMC) {
|
1359 |
|
|
printk (KERN_ERR PFX "skipping LMC card.\n");
|
1360 |
|
|
return -ENODEV;
|
1361 |
|
|
}
|
1362 |
|
|
|
1363 |
|
|
/*
|
1364 |
|
|
* Early DM9100's need software CRC and the DMFE driver
|
1365 |
|
|
*/
|
1366 |
|
|
|
1367 |
|
|
if (pdev->vendor == 0x1282 && pdev->device == 0x9100)
|
1368 |
|
|
{
|
1369 |
|
|
u32 dev_rev;
|
1370 |
|
|
/* Read Chip revision */
|
1371 |
|
|
pci_read_config_dword(pdev, PCI_REVISION_ID, &dev_rev);
|
1372 |
|
|
if(dev_rev < 0x02000030)
|
1373 |
|
|
{
|
1374 |
|
|
printk(KERN_ERR PFX "skipping early DM9100 with Crc bug (use dmfe)\n");
|
1375 |
|
|
return -ENODEV;
|
1376 |
|
|
}
|
1377 |
|
|
}
|
1378 |
|
|
|
1379 |
|
|
/*
|
1380 |
|
|
* Looks for early PCI chipsets where people report hangs
|
1381 |
|
|
* without the workarounds being on.
|
1382 |
|
|
*/
|
1383 |
|
|
|
1384 |
|
|
/* Intel Saturn. Switch to 8 long words burst, 8 long word cache aligned
|
1385 |
|
|
Aries might need this too. The Saturn errata are not pretty reading but
|
1386 |
|
|
thankfully its an old 486 chipset.
|
1387 |
|
|
*/
|
1388 |
|
|
|
1389 |
|
|
if (pci_find_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82424, NULL)) {
|
1390 |
|
|
csr0 = MRL | MRM | (8 << BurstLenShift) | (1 << CALShift);
|
1391 |
|
|
force_csr0 = 1;
|
1392 |
|
|
}
|
1393 |
|
|
/* The dreaded SiS496 486 chipset. Same workaround as above. */
|
1394 |
|
|
if (pci_find_device(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_496, NULL)) {
|
1395 |
|
|
csr0 = MRL | MRM | (8 << BurstLenShift) | (1 << CALShift);
|
1396 |
|
|
force_csr0 = 1;
|
1397 |
|
|
}
|
1398 |
|
|
|
1399 |
|
|
/* bugfix: the ASIX must have a burst limit or horrible things happen. */
|
1400 |
|
|
if (chip_idx == AX88140) {
|
1401 |
|
|
if ((csr0 & 0x3f00) == 0)
|
1402 |
|
|
csr0 |= 0x2000;
|
1403 |
|
|
}
|
1404 |
|
|
|
1405 |
|
|
/* PNIC doesn't have MWI/MRL/MRM... */
|
1406 |
|
|
if (chip_idx == LC82C168)
|
1407 |
|
|
csr0 &= ~0xfff10000; /* zero reserved bits 31:20, 16 */
|
1408 |
|
|
|
1409 |
|
|
/* DM9102A has troubles with MRM & clear reserved bits 24:22, 20, 16, 7:1 */
|
1410 |
|
|
if ((pdev->vendor == 0x1282 && pdev->device == 0x9102)
|
1411 |
|
|
|| (pdev->vendor == 0x10b9 && pdev->device == 0x5261))
|
1412 |
|
|
csr0 &= ~0x01f100ff;
|
1413 |
|
|
|
1414 |
|
|
#if defined(__sparc__)
|
1415 |
|
|
/* DM9102A needs 32-dword alignment/burst length on sparc - chip bug? */
|
1416 |
|
|
if ((pdev->vendor == 0x1282 && pdev->device == 0x9102)
|
1417 |
|
|
|| (pdev->vendor == 0x10b9 && pdev->device == 0x5261))
|
1418 |
|
|
csr0 = (csr0 & ~0xff00) | 0xe000;
|
1419 |
|
|
#endif
|
1420 |
|
|
|
1421 |
|
|
/*
|
1422 |
|
|
* And back to business
|
1423 |
|
|
*/
|
1424 |
|
|
|
1425 |
|
|
i = pci_enable_device(pdev);
|
1426 |
|
|
if (i) {
|
1427 |
|
|
printk (KERN_ERR PFX
|
1428 |
|
|
"Cannot enable tulip board #%d, aborting\n",
|
1429 |
|
|
board_idx);
|
1430 |
|
|
return i;
|
1431 |
|
|
}
|
1432 |
|
|
|
1433 |
|
|
ioaddr = pci_resource_start (pdev, 0);
|
1434 |
|
|
irq = pdev->irq;
|
1435 |
|
|
|
1436 |
|
|
/* alloc_etherdev ensures aligned and zeroed private structures */
|
1437 |
|
|
dev = alloc_etherdev (sizeof (*tp));
|
1438 |
|
|
if (!dev) {
|
1439 |
|
|
printk (KERN_ERR PFX "ether device alloc failed, aborting\n");
|
1440 |
|
|
return -ENOMEM;
|
1441 |
|
|
}
|
1442 |
|
|
|
1443 |
|
|
if (pci_resource_len (pdev, 0) < tulip_tbl[chip_idx].io_size) {
|
1444 |
|
|
printk (KERN_ERR PFX "%s: I/O region (0x%lx@0x%lx) too small, "
|
1445 |
|
|
"aborting\n", pdev->slot_name,
|
1446 |
|
|
pci_resource_len (pdev, 0),
|
1447 |
|
|
pci_resource_start (pdev, 0));
|
1448 |
|
|
goto err_out_free_netdev;
|
1449 |
|
|
}
|
1450 |
|
|
|
1451 |
|
|
/* grab all resources from both PIO and MMIO regions, as we
|
1452 |
|
|
* don't want anyone else messing around with our hardware */
|
1453 |
|
|
if (pci_request_regions (pdev, "tulip"))
|
1454 |
|
|
goto err_out_free_netdev;
|
1455 |
|
|
|
1456 |
|
|
#ifndef USE_IO_OPS
|
1457 |
|
|
ioaddr = (unsigned long) ioremap (pci_resource_start (pdev, 1),
|
1458 |
|
|
tulip_tbl[chip_idx].io_size);
|
1459 |
|
|
if (!ioaddr)
|
1460 |
|
|
goto err_out_free_res;
|
1461 |
|
|
#endif
|
1462 |
|
|
|
1463 |
|
|
pci_read_config_byte (pdev, PCI_REVISION_ID, &chip_rev);
|
1464 |
|
|
|
1465 |
|
|
/*
|
1466 |
|
|
* initialize private data structure 'tp'
|
1467 |
|
|
* it is zeroed and aligned in alloc_etherdev
|
1468 |
|
|
*/
|
1469 |
|
|
tp = dev->priv;
|
1470 |
|
|
|
1471 |
|
|
tp->rx_ring = pci_alloc_consistent(pdev,
|
1472 |
|
|
sizeof(struct tulip_rx_desc) * RX_RING_SIZE +
|
1473 |
|
|
sizeof(struct tulip_tx_desc) * TX_RING_SIZE,
|
1474 |
|
|
&tp->rx_ring_dma);
|
1475 |
|
|
if (!tp->rx_ring)
|
1476 |
|
|
goto err_out_mtable;
|
1477 |
|
|
tp->tx_ring = (struct tulip_tx_desc *)(tp->rx_ring + RX_RING_SIZE);
|
1478 |
|
|
tp->tx_ring_dma = tp->rx_ring_dma + sizeof(struct tulip_rx_desc) * RX_RING_SIZE;
|
1479 |
|
|
|
1480 |
|
|
tp->chip_id = chip_idx;
|
1481 |
|
|
tp->flags = tulip_tbl[chip_idx].flags;
|
1482 |
|
|
tp->pdev = pdev;
|
1483 |
|
|
tp->base_addr = ioaddr;
|
1484 |
|
|
tp->revision = chip_rev;
|
1485 |
|
|
tp->csr0 = csr0;
|
1486 |
|
|
spin_lock_init(&tp->lock);
|
1487 |
|
|
spin_lock_init(&tp->mii_lock);
|
1488 |
|
|
init_timer(&tp->timer);
|
1489 |
|
|
tp->timer.data = (unsigned long)dev;
|
1490 |
|
|
tp->timer.function = tulip_tbl[tp->chip_id].media_timer;
|
1491 |
|
|
|
1492 |
|
|
dev->base_addr = ioaddr;
|
1493 |
|
|
|
1494 |
|
|
#ifdef CONFIG_TULIP_MWI
|
1495 |
|
|
if (!force_csr0 && (tp->flags & HAS_PCI_MWI))
|
1496 |
|
|
tulip_mwi_config (pdev, dev);
|
1497 |
|
|
#else
|
1498 |
|
|
/* MWI is broken for DC21143 rev 65... */
|
1499 |
|
|
if (chip_idx == DC21143 && chip_rev == 65)
|
1500 |
|
|
tp->csr0 &= ~MWI;
|
1501 |
|
|
#endif
|
1502 |
|
|
|
1503 |
|
|
/* Stop the chip's Tx and Rx processes. */
|
1504 |
|
|
tulip_stop_rxtx(tp);
|
1505 |
|
|
|
1506 |
|
|
pci_set_master(pdev);
|
1507 |
|
|
|
1508 |
|
|
/* Clear the missed-packet counter. */
|
1509 |
|
|
inl(ioaddr + CSR8);
|
1510 |
|
|
|
1511 |
|
|
if (chip_idx == DC21041) {
|
1512 |
|
|
if (inl(ioaddr + CSR9) & 0x8000) {
|
1513 |
|
|
chip_idx = DC21040;
|
1514 |
|
|
t2104x_mode = 1;
|
1515 |
|
|
} else {
|
1516 |
|
|
t2104x_mode = 2;
|
1517 |
|
|
}
|
1518 |
|
|
}
|
1519 |
|
|
|
1520 |
|
|
/* The station address ROM is read byte serially. The register must
|
1521 |
|
|
be polled, waiting for the value to be read bit serially from the
|
1522 |
|
|
EEPROM.
|
1523 |
|
|
*/
|
1524 |
|
|
sum = 0;
|
1525 |
|
|
if (chip_idx == DC21040) {
|
1526 |
|
|
outl(0, ioaddr + CSR9); /* Reset the pointer with a dummy write. */
|
1527 |
|
|
for (i = 0; i < 6; i++) {
|
1528 |
|
|
int value, boguscnt = 100000;
|
1529 |
|
|
do
|
1530 |
|
|
value = inl(ioaddr + CSR9);
|
1531 |
|
|
while (value < 0 && --boguscnt > 0);
|
1532 |
|
|
dev->dev_addr[i] = value;
|
1533 |
|
|
sum += value & 0xff;
|
1534 |
|
|
}
|
1535 |
|
|
} else if (chip_idx == LC82C168) {
|
1536 |
|
|
for (i = 0; i < 3; i++) {
|
1537 |
|
|
int value, boguscnt = 100000;
|
1538 |
|
|
outl(0x600 | i, ioaddr + 0x98);
|
1539 |
|
|
do
|
1540 |
|
|
value = inl(ioaddr + CSR9);
|
1541 |
|
|
while (value < 0 && --boguscnt > 0);
|
1542 |
|
|
put_unaligned(le16_to_cpu(value), ((u16*)dev->dev_addr) + i);
|
1543 |
|
|
sum += value & 0xffff;
|
1544 |
|
|
}
|
1545 |
|
|
} else if (chip_idx == COMET) {
|
1546 |
|
|
/* No need to read the EEPROM. */
|
1547 |
|
|
put_unaligned(inl(ioaddr + 0xA4), (u32 *)dev->dev_addr);
|
1548 |
|
|
put_unaligned(inl(ioaddr + 0xA8), (u16 *)(dev->dev_addr + 4));
|
1549 |
|
|
for (i = 0; i < 6; i ++)
|
1550 |
|
|
sum += dev->dev_addr[i];
|
1551 |
|
|
} else {
|
1552 |
|
|
/* A serial EEPROM interface, we read now and sort it out later. */
|
1553 |
|
|
int sa_offset = 0;
|
1554 |
|
|
int ee_addr_size = tulip_read_eeprom(ioaddr, 0xff, 8) & 0x40000 ? 8 : 6;
|
1555 |
|
|
|
1556 |
|
|
for (i = 0; i < sizeof(ee_data)/2; i++)
|
1557 |
|
|
((u16 *)ee_data)[i] =
|
1558 |
|
|
le16_to_cpu(tulip_read_eeprom(ioaddr, i, ee_addr_size));
|
1559 |
|
|
|
1560 |
|
|
/* DEC now has a specification (see Notes) but early board makers
|
1561 |
|
|
just put the address in the first EEPROM locations. */
|
1562 |
|
|
/* This does memcmp(eedata, eedata+16, 8) */
|
1563 |
|
|
for (i = 0; i < 8; i ++)
|
1564 |
|
|
if (ee_data[i] != ee_data[16+i])
|
1565 |
|
|
sa_offset = 20;
|
1566 |
|
|
if (chip_idx == CONEXANT) {
|
1567 |
|
|
/* Check that the tuple type and length is correct. */
|
1568 |
|
|
if (ee_data[0x198] == 0x04 && ee_data[0x199] == 6)
|
1569 |
|
|
sa_offset = 0x19A;
|
1570 |
|
|
}
|
1571 |
|
|
if (ee_data[0] == 0xff && ee_data[1] == 0xff &&
|
1572 |
|
|
ee_data[2] == 0) {
|
1573 |
|
|
sa_offset = 2; /* Grrr, damn Matrox boards. */
|
1574 |
|
|
multiport_cnt = 4;
|
1575 |
|
|
}
|
1576 |
|
|
#ifdef CONFIG_DDB5476
|
1577 |
|
|
if ((pdev->bus->number == 0) && (PCI_SLOT(pdev->devfn) == 6)) {
|
1578 |
|
|
/* DDB5476 MAC address in first EEPROM locations. */
|
1579 |
|
|
sa_offset = 0;
|
1580 |
|
|
/* No media table either */
|
1581 |
|
|
tp->flags &= ~HAS_MEDIA_TABLE;
|
1582 |
|
|
}
|
1583 |
|
|
#endif
|
1584 |
|
|
#ifdef CONFIG_DDB5477
|
1585 |
|
|
if ((pdev->bus->number == 0) && (PCI_SLOT(pdev->devfn) == 4)) {
|
1586 |
|
|
/* DDB5477 MAC address in first EEPROM locations. */
|
1587 |
|
|
sa_offset = 0;
|
1588 |
|
|
/* No media table either */
|
1589 |
|
|
tp->flags &= ~HAS_MEDIA_TABLE;
|
1590 |
|
|
}
|
1591 |
|
|
#endif
|
1592 |
|
|
#ifdef CONFIG_MIPS_COBALT
|
1593 |
|
|
if ((pdev->bus->number == 0) &&
|
1594 |
|
|
((PCI_SLOT(pdev->devfn) == 7) ||
|
1595 |
|
|
(PCI_SLOT(pdev->devfn) == 12))) {
|
1596 |
|
|
/* Cobalt MAC address in first EEPROM locations. */
|
1597 |
|
|
sa_offset = 0;
|
1598 |
|
|
/* No media table either */
|
1599 |
|
|
tp->flags &= ~HAS_MEDIA_TABLE;
|
1600 |
|
|
}
|
1601 |
|
|
#endif
|
1602 |
|
|
#ifdef __hppa__
|
1603 |
|
|
/* 3x5 HSC (J3514A) has a broken srom */
|
1604 |
|
|
if(ee_data[0] == 0x61 && ee_data[1] == 0x10) {
|
1605 |
|
|
/* pci_vendor_id and subsystem_id are swapped */
|
1606 |
|
|
ee_data[0] = ee_data[2];
|
1607 |
|
|
ee_data[1] = ee_data[3];
|
1608 |
|
|
ee_data[2] = 0x61;
|
1609 |
|
|
ee_data[3] = 0x10;
|
1610 |
|
|
|
1611 |
|
|
/* srom need to be byte-swaped and shifted up 1 word.
|
1612 |
|
|
* This shift needs to happen at the end of the MAC
|
1613 |
|
|
* first because of the 2 byte overlap.
|
1614 |
|
|
*/
|
1615 |
|
|
for(i = 4; i >= 0; i -= 2) {
|
1616 |
|
|
ee_data[17 + i + 3] = ee_data[17 + i];
|
1617 |
|
|
ee_data[16 + i + 5] = ee_data[16 + i];
|
1618 |
|
|
}
|
1619 |
|
|
}
|
1620 |
|
|
#endif
|
1621 |
|
|
for (i = 0; i < 6; i ++) {
|
1622 |
|
|
dev->dev_addr[i] = ee_data[i + sa_offset];
|
1623 |
|
|
sum += ee_data[i + sa_offset];
|
1624 |
|
|
}
|
1625 |
|
|
}
|
1626 |
|
|
/* Lite-On boards have the address byte-swapped. */
|
1627 |
|
|
if ((dev->dev_addr[0] == 0xA0 || dev->dev_addr[0] == 0xC0)
|
1628 |
|
|
&& dev->dev_addr[1] == 0x00)
|
1629 |
|
|
for (i = 0; i < 6; i+=2) {
|
1630 |
|
|
char tmp = dev->dev_addr[i];
|
1631 |
|
|
dev->dev_addr[i] = dev->dev_addr[i+1];
|
1632 |
|
|
dev->dev_addr[i+1] = tmp;
|
1633 |
|
|
}
|
1634 |
|
|
/* On the Zynx 315 Etherarray and other multiport boards only the
|
1635 |
|
|
first Tulip has an EEPROM.
|
1636 |
|
|
On Sparc systems the mac address is held in the OBP property
|
1637 |
|
|
"local-mac-address".
|
1638 |
|
|
The addresses of the subsequent ports are derived from the first.
|
1639 |
|
|
Many PCI BIOSes also incorrectly report the IRQ line, so we correct
|
1640 |
|
|
that here as well. */
|
1641 |
|
|
if (sum == 0 || sum == 6*0xff) {
|
1642 |
|
|
#if defined(__sparc__)
|
1643 |
|
|
struct pcidev_cookie *pcp = pdev->sysdata;
|
1644 |
|
|
#endif
|
1645 |
|
|
eeprom_missing = 1;
|
1646 |
|
|
for (i = 0; i < 5; i++)
|
1647 |
|
|
dev->dev_addr[i] = last_phys_addr[i];
|
1648 |
|
|
dev->dev_addr[i] = last_phys_addr[i] + 1;
|
1649 |
|
|
#if defined(__sparc__)
|
1650 |
|
|
if ((pcp != NULL) && prom_getproplen(pcp->prom_node,
|
1651 |
|
|
"local-mac-address") == 6) {
|
1652 |
|
|
prom_getproperty(pcp->prom_node, "local-mac-address",
|
1653 |
|
|
dev->dev_addr, 6);
|
1654 |
|
|
}
|
1655 |
|
|
#endif
|
1656 |
|
|
#if defined(__i386__) /* Patch up x86 BIOS bug. */
|
1657 |
|
|
if (last_irq)
|
1658 |
|
|
irq = last_irq;
|
1659 |
|
|
#endif
|
1660 |
|
|
}
|
1661 |
|
|
|
1662 |
|
|
for (i = 0; i < 6; i++)
|
1663 |
|
|
last_phys_addr[i] = dev->dev_addr[i];
|
1664 |
|
|
last_irq = irq;
|
1665 |
|
|
dev->irq = irq;
|
1666 |
|
|
|
1667 |
|
|
/* The lower four bits are the media type. */
|
1668 |
|
|
if (board_idx >= 0 && board_idx < MAX_UNITS) {
|
1669 |
|
|
if (options[board_idx] & MEDIA_MASK)
|
1670 |
|
|
tp->default_port = options[board_idx] & MEDIA_MASK;
|
1671 |
|
|
if ((options[board_idx] & FullDuplex) || full_duplex[board_idx] > 0)
|
1672 |
|
|
tp->full_duplex = 1;
|
1673 |
|
|
if (mtu[board_idx] > 0)
|
1674 |
|
|
dev->mtu = mtu[board_idx];
|
1675 |
|
|
}
|
1676 |
|
|
if (dev->mem_start & MEDIA_MASK)
|
1677 |
|
|
tp->default_port = dev->mem_start & MEDIA_MASK;
|
1678 |
|
|
if (tp->default_port) {
|
1679 |
|
|
printk(KERN_INFO "tulip%d: Transceiver selection forced to %s.\n",
|
1680 |
|
|
board_idx, medianame[tp->default_port & MEDIA_MASK]);
|
1681 |
|
|
tp->medialock = 1;
|
1682 |
|
|
if (tulip_media_cap[tp->default_port] & MediaAlwaysFD)
|
1683 |
|
|
tp->full_duplex = 1;
|
1684 |
|
|
}
|
1685 |
|
|
if (tp->full_duplex)
|
1686 |
|
|
tp->full_duplex_lock = 1;
|
1687 |
|
|
|
1688 |
|
|
if (tulip_media_cap[tp->default_port] & MediaIsMII) {
|
1689 |
|
|
u16 media2advert[] = { 0x20, 0x40, 0x03e0, 0x60, 0x80, 0x100, 0x200 };
|
1690 |
|
|
tp->mii_advertise = media2advert[tp->default_port - 9];
|
1691 |
|
|
tp->mii_advertise |= (tp->flags & HAS_8023X); /* Matching bits! */
|
1692 |
|
|
}
|
1693 |
|
|
|
1694 |
|
|
if (tp->flags & HAS_MEDIA_TABLE) {
|
1695 |
|
|
memcpy(tp->eeprom, ee_data, sizeof(tp->eeprom));
|
1696 |
|
|
|
1697 |
|
|
sprintf(dev->name, "tulip%d", board_idx); /* hack */
|
1698 |
|
|
tulip_parse_eeprom(dev);
|
1699 |
|
|
strcpy(dev->name, "eth%d"); /* un-hack */
|
1700 |
|
|
}
|
1701 |
|
|
|
1702 |
|
|
if ((tp->flags & ALWAYS_CHECK_MII) ||
|
1703 |
|
|
(tp->mtable && tp->mtable->has_mii) ||
|
1704 |
|
|
( ! tp->mtable && (tp->flags & HAS_MII))) {
|
1705 |
|
|
if (tp->mtable && tp->mtable->has_mii) {
|
1706 |
|
|
for (i = 0; i < tp->mtable->leafcount; i++)
|
1707 |
|
|
if (tp->mtable->mleaf[i].media == 11) {
|
1708 |
|
|
tp->cur_index = i;
|
1709 |
|
|
tp->saved_if_port = dev->if_port;
|
1710 |
|
|
tulip_select_media(dev, 2);
|
1711 |
|
|
dev->if_port = tp->saved_if_port;
|
1712 |
|
|
break;
|
1713 |
|
|
}
|
1714 |
|
|
}
|
1715 |
|
|
|
1716 |
|
|
/* Find the connected MII xcvrs.
|
1717 |
|
|
Doing this in open() would allow detecting external xcvrs
|
1718 |
|
|
later, but takes much time. */
|
1719 |
|
|
tulip_find_mii (dev, board_idx);
|
1720 |
|
|
}
|
1721 |
|
|
|
1722 |
|
|
/* The Tulip-specific entries in the device structure. */
|
1723 |
|
|
dev->open = tulip_open;
|
1724 |
|
|
dev->hard_start_xmit = tulip_start_xmit;
|
1725 |
|
|
dev->tx_timeout = tulip_tx_timeout;
|
1726 |
|
|
dev->watchdog_timeo = TX_TIMEOUT;
|
1727 |
|
|
dev->stop = tulip_close;
|
1728 |
|
|
dev->get_stats = tulip_get_stats;
|
1729 |
|
|
dev->do_ioctl = private_ioctl;
|
1730 |
|
|
dev->set_multicast_list = set_rx_mode;
|
1731 |
|
|
|
1732 |
|
|
if (register_netdev(dev))
|
1733 |
|
|
goto err_out_free_ring;
|
1734 |
|
|
|
1735 |
|
|
printk(KERN_INFO "%s: %s rev %d at %#3lx,",
|
1736 |
|
|
dev->name, tulip_tbl[chip_idx].chip_name, chip_rev, ioaddr);
|
1737 |
|
|
pci_set_drvdata(pdev, dev);
|
1738 |
|
|
|
1739 |
|
|
if (t2104x_mode == 1)
|
1740 |
|
|
printk(" 21040 compatible mode,");
|
1741 |
|
|
else if (t2104x_mode == 2)
|
1742 |
|
|
printk(" 21041 mode,");
|
1743 |
|
|
if (eeprom_missing)
|
1744 |
|
|
printk(" EEPROM not present,");
|
1745 |
|
|
for (i = 0; i < 6; i++)
|
1746 |
|
|
printk("%c%2.2X", i ? ':' : ' ', dev->dev_addr[i]);
|
1747 |
|
|
printk(", IRQ %d.\n", irq);
|
1748 |
|
|
|
1749 |
|
|
if (tp->chip_id == PNIC2)
|
1750 |
|
|
tp->link_change = pnic2_lnk_change;
|
1751 |
|
|
else if ((tp->flags & HAS_NWAY) || tp->chip_id == DC21041)
|
1752 |
|
|
tp->link_change = t21142_lnk_change;
|
1753 |
|
|
else if (tp->flags & HAS_PNICNWAY)
|
1754 |
|
|
tp->link_change = pnic_lnk_change;
|
1755 |
|
|
|
1756 |
|
|
/* Reset the xcvr interface and turn on heartbeat. */
|
1757 |
|
|
switch (chip_idx) {
|
1758 |
|
|
case DC21041:
|
1759 |
|
|
if (tp->sym_advertise == 0)
|
1760 |
|
|
tp->sym_advertise = 0x0061;
|
1761 |
|
|
outl(0x00000000, ioaddr + CSR13);
|
1762 |
|
|
outl(0xFFFFFFFF, ioaddr + CSR14);
|
1763 |
|
|
outl(0x00000008, ioaddr + CSR15); /* Listen on AUI also. */
|
1764 |
|
|
outl(inl(ioaddr + CSR6) | csr6_fd, ioaddr + CSR6);
|
1765 |
|
|
outl(0x0000EF01, ioaddr + CSR13);
|
1766 |
|
|
break;
|
1767 |
|
|
case DC21040:
|
1768 |
|
|
outl(0x00000000, ioaddr + CSR13);
|
1769 |
|
|
outl(0x00000004, ioaddr + CSR13);
|
1770 |
|
|
break;
|
1771 |
|
|
case DC21140:
|
1772 |
|
|
case DM910X:
|
1773 |
|
|
default:
|
1774 |
|
|
if (tp->mtable)
|
1775 |
|
|
outl(tp->mtable->csr12dir | 0x100, ioaddr + CSR12);
|
1776 |
|
|
break;
|
1777 |
|
|
case DC21142:
|
1778 |
|
|
if (tp->mii_cnt || tulip_media_cap[dev->if_port] & MediaIsMII) {
|
1779 |
|
|
outl(csr6_mask_defstate, ioaddr + CSR6);
|
1780 |
|
|
outl(0x0000, ioaddr + CSR13);
|
1781 |
|
|
outl(0x0000, ioaddr + CSR14);
|
1782 |
|
|
outl(csr6_mask_hdcap, ioaddr + CSR6);
|
1783 |
|
|
} else
|
1784 |
|
|
t21142_start_nway(dev);
|
1785 |
|
|
break;
|
1786 |
|
|
case PNIC2:
|
1787 |
|
|
/* just do a reset for sanity sake */
|
1788 |
|
|
outl(0x0000, ioaddr + CSR13);
|
1789 |
|
|
outl(0x0000, ioaddr + CSR14);
|
1790 |
|
|
break;
|
1791 |
|
|
case LC82C168:
|
1792 |
|
|
if ( ! tp->mii_cnt) {
|
1793 |
|
|
tp->nway = 1;
|
1794 |
|
|
tp->nwayset = 0;
|
1795 |
|
|
outl(csr6_ttm | csr6_ca, ioaddr + CSR6);
|
1796 |
|
|
outl(0x30, ioaddr + CSR12);
|
1797 |
|
|
outl(0x0001F078, ioaddr + CSR6);
|
1798 |
|
|
outl(0x0201F078, ioaddr + CSR6); /* Turn on autonegotiation. */
|
1799 |
|
|
}
|
1800 |
|
|
break;
|
1801 |
|
|
case MX98713:
|
1802 |
|
|
case COMPEX9881:
|
1803 |
|
|
outl(0x00000000, ioaddr + CSR6);
|
1804 |
|
|
outl(0x000711C0, ioaddr + CSR14); /* Turn on NWay. */
|
1805 |
|
|
outl(0x00000001, ioaddr + CSR13);
|
1806 |
|
|
break;
|
1807 |
|
|
case MX98715:
|
1808 |
|
|
case MX98725:
|
1809 |
|
|
outl(0x01a80000, ioaddr + CSR6);
|
1810 |
|
|
outl(0xFFFFFFFF, ioaddr + CSR14);
|
1811 |
|
|
outl(0x00001000, ioaddr + CSR12);
|
1812 |
|
|
break;
|
1813 |
|
|
case COMET:
|
1814 |
|
|
/* No initialization necessary. */
|
1815 |
|
|
break;
|
1816 |
|
|
}
|
1817 |
|
|
|
1818 |
|
|
/* put the chip in snooze mode until opened */
|
1819 |
|
|
tulip_set_power_state (tp, 0, 1);
|
1820 |
|
|
|
1821 |
|
|
return 0;
|
1822 |
|
|
|
1823 |
|
|
err_out_free_ring:
|
1824 |
|
|
pci_free_consistent (pdev,
|
1825 |
|
|
sizeof (struct tulip_rx_desc) * RX_RING_SIZE +
|
1826 |
|
|
sizeof (struct tulip_tx_desc) * TX_RING_SIZE,
|
1827 |
|
|
tp->rx_ring, tp->rx_ring_dma);
|
1828 |
|
|
|
1829 |
|
|
err_out_mtable:
|
1830 |
|
|
if (tp->mtable)
|
1831 |
|
|
kfree (tp->mtable);
|
1832 |
|
|
#ifndef USE_IO_OPS
|
1833 |
|
|
iounmap((void *)ioaddr);
|
1834 |
|
|
|
1835 |
|
|
err_out_free_res:
|
1836 |
|
|
#endif
|
1837 |
|
|
pci_release_regions (pdev);
|
1838 |
|
|
|
1839 |
|
|
err_out_free_netdev:
|
1840 |
|
|
kfree (dev);
|
1841 |
|
|
return -ENODEV;
|
1842 |
|
|
}
|
1843 |
|
|
|
1844 |
|
|
|
1845 |
|
|
#ifdef CONFIG_PM
|
1846 |
|
|
|
1847 |
|
|
static int tulip_suspend (struct pci_dev *pdev, u32 state)
|
1848 |
|
|
{
|
1849 |
|
|
struct net_device *dev = pci_get_drvdata(pdev);
|
1850 |
|
|
|
1851 |
|
|
if (dev && netif_running (dev) && netif_device_present (dev)) {
|
1852 |
|
|
netif_device_detach (dev);
|
1853 |
|
|
tulip_down (dev);
|
1854 |
|
|
/* pci_power_off(pdev, -1); */
|
1855 |
|
|
}
|
1856 |
|
|
return 0;
|
1857 |
|
|
}
|
1858 |
|
|
|
1859 |
|
|
|
1860 |
|
|
static int tulip_resume(struct pci_dev *pdev)
|
1861 |
|
|
{
|
1862 |
|
|
struct net_device *dev = pci_get_drvdata(pdev);
|
1863 |
|
|
|
1864 |
|
|
if (dev && netif_running (dev) && !netif_device_present (dev)) {
|
1865 |
|
|
#if 1
|
1866 |
|
|
pci_enable_device (pdev);
|
1867 |
|
|
#endif
|
1868 |
|
|
/* pci_power_on(pdev); */
|
1869 |
|
|
tulip_up (dev);
|
1870 |
|
|
netif_device_attach (dev);
|
1871 |
|
|
}
|
1872 |
|
|
return 0;
|
1873 |
|
|
}
|
1874 |
|
|
|
1875 |
|
|
#endif /* CONFIG_PM */
|
1876 |
|
|
|
1877 |
|
|
|
1878 |
|
|
static void __devexit tulip_remove_one (struct pci_dev *pdev)
|
1879 |
|
|
{
|
1880 |
|
|
struct net_device *dev = pci_get_drvdata (pdev);
|
1881 |
|
|
struct tulip_private *tp;
|
1882 |
|
|
|
1883 |
|
|
if (!dev)
|
1884 |
|
|
return;
|
1885 |
|
|
|
1886 |
|
|
tp = dev->priv;
|
1887 |
|
|
pci_free_consistent (pdev,
|
1888 |
|
|
sizeof (struct tulip_rx_desc) * RX_RING_SIZE +
|
1889 |
|
|
sizeof (struct tulip_tx_desc) * TX_RING_SIZE,
|
1890 |
|
|
tp->rx_ring, tp->rx_ring_dma);
|
1891 |
|
|
unregister_netdev (dev);
|
1892 |
|
|
if (tp->mtable)
|
1893 |
|
|
kfree (tp->mtable);
|
1894 |
|
|
#ifndef USE_IO_OPS
|
1895 |
|
|
iounmap((void *)dev->base_addr);
|
1896 |
|
|
#endif
|
1897 |
|
|
kfree (dev);
|
1898 |
|
|
pci_release_regions (pdev);
|
1899 |
|
|
pci_set_drvdata (pdev, NULL);
|
1900 |
|
|
|
1901 |
|
|
/* pci_power_off (pdev, -1); */
|
1902 |
|
|
}
|
1903 |
|
|
|
1904 |
|
|
|
1905 |
|
|
static struct pci_driver tulip_driver = {
|
1906 |
|
|
name: DRV_NAME,
|
1907 |
|
|
id_table: tulip_pci_tbl,
|
1908 |
|
|
probe: tulip_init_one,
|
1909 |
|
|
remove: __devexit_p(tulip_remove_one),
|
1910 |
|
|
#ifdef CONFIG_PM
|
1911 |
|
|
suspend: tulip_suspend,
|
1912 |
|
|
resume: tulip_resume,
|
1913 |
|
|
#endif /* CONFIG_PM */
|
1914 |
|
|
};
|
1915 |
|
|
|
1916 |
|
|
|
1917 |
|
|
static int __init tulip_init (void)
|
1918 |
|
|
{
|
1919 |
|
|
#ifdef MODULE
|
1920 |
|
|
printk (KERN_INFO "%s", version);
|
1921 |
|
|
#endif
|
1922 |
|
|
|
1923 |
|
|
/* copy module parms into globals */
|
1924 |
|
|
tulip_rx_copybreak = rx_copybreak;
|
1925 |
|
|
tulip_max_interrupt_work = max_interrupt_work;
|
1926 |
|
|
|
1927 |
|
|
/* probe for and init boards */
|
1928 |
|
|
return pci_module_init (&tulip_driver);
|
1929 |
|
|
}
|
1930 |
|
|
|
1931 |
|
|
|
1932 |
|
|
static void __exit tulip_cleanup (void)
|
1933 |
|
|
{
|
1934 |
|
|
pci_unregister_driver (&tulip_driver);
|
1935 |
|
|
}
|
1936 |
|
|
|
1937 |
|
|
|
1938 |
|
|
module_init(tulip_init);
|
1939 |
|
|
module_exit(tulip_cleanup);
|