Grant Grundler | 78a6551 | 2008-06-05 00:38:55 -0600 | [diff] [blame] | 1 | /* tulip_core.c: A DEC 21x4x-family ethernet driver for Linux. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | Copyright 2000,2001 The Linux Kernel Team |
| 4 | Written/copyright 1994-2001 by Donald Becker. |
| 5 | |
| 6 | This software may be used and distributed according to the terms |
| 7 | of the GNU General Public License, incorporated herein by reference. |
| 8 | |
| 9 | Please refer to Documentation/DocBook/tulip-user.{pdf,ps,html} |
Grant Grundler | 78a6551 | 2008-06-05 00:38:55 -0600 | [diff] [blame] | 10 | for more information on this driver. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | |
Grant Grundler | 78a6551 | 2008-06-05 00:38:55 -0600 | [diff] [blame] | 12 | Please submit bugs to http://bugzilla.kernel.org/ . |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | */ |
| 14 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | |
| 16 | #define DRV_NAME "tulip" |
| 17 | #ifdef CONFIG_TULIP_NAPI |
Valerie Henson | 6bab99b | 2007-03-12 02:31:34 -0700 | [diff] [blame] | 18 | #define DRV_VERSION "1.1.15-NAPI" /* Keep at least for test */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | #else |
Valerie Henson | 6bab99b | 2007-03-12 02:31:34 -0700 | [diff] [blame] | 20 | #define DRV_VERSION "1.1.15" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | #endif |
Valerie Henson | 6bab99b | 2007-03-12 02:31:34 -0700 | [diff] [blame] | 22 | #define DRV_RELDATE "Feb 27, 2007" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | |
| 24 | |
| 25 | #include <linux/module.h> |
| 26 | #include <linux/pci.h> |
| 27 | #include "tulip.h" |
| 28 | #include <linux/init.h> |
| 29 | #include <linux/etherdevice.h> |
| 30 | #include <linux/delay.h> |
| 31 | #include <linux/mii.h> |
| 32 | #include <linux/ethtool.h> |
| 33 | #include <linux/crc32.h> |
| 34 | #include <asm/unaligned.h> |
| 35 | #include <asm/uaccess.h> |
| 36 | |
David S. Miller | 4934510 | 2007-03-29 01:39:44 -0700 | [diff] [blame] | 37 | #ifdef CONFIG_SPARC |
David S. Miller | d297c31 | 2007-03-29 01:41:28 -0700 | [diff] [blame] | 38 | #include <asm/prom.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | #endif |
| 40 | |
| 41 | static char version[] __devinitdata = |
| 42 | "Linux Tulip driver version " DRV_VERSION " (" DRV_RELDATE ")\n"; |
| 43 | |
| 44 | |
| 45 | /* A few user-configurable values. */ |
| 46 | |
| 47 | /* Maximum events (Rx packets, etc.) to handle at each interrupt. */ |
| 48 | static unsigned int max_interrupt_work = 25; |
| 49 | |
| 50 | #define MAX_UNITS 8 |
| 51 | /* Used to pass the full-duplex flag, etc. */ |
| 52 | static int full_duplex[MAX_UNITS]; |
| 53 | static int options[MAX_UNITS]; |
| 54 | static int mtu[MAX_UNITS]; /* Jumbo MTU for interfaces. */ |
| 55 | |
| 56 | /* The possible media types that can be set in options[] are: */ |
| 57 | const char * const medianame[32] = { |
| 58 | "10baseT", "10base2", "AUI", "100baseTx", |
| 59 | "10baseT-FDX", "100baseTx-FDX", "100baseT4", "100baseFx", |
| 60 | "100baseFx-FDX", "MII 10baseT", "MII 10baseT-FDX", "MII", |
| 61 | "10baseT(forced)", "MII 100baseTx", "MII 100baseTx-FDX", "MII 100baseT4", |
| 62 | "MII 100baseFx-HDX", "MII 100baseFx-FDX", "Home-PNA 1Mbps", "Invalid-19", |
| 63 | "","","","", "","","","", "","","","Transceiver reset", |
| 64 | }; |
| 65 | |
| 66 | /* Set the copy breakpoint for the copy-only-tiny-buffer Rx structure. */ |
| 67 | #if defined(__alpha__) || defined(__arm__) || defined(__hppa__) \ |
David S. Miller | 4934510 | 2007-03-29 01:39:44 -0700 | [diff] [blame] | 68 | || defined(CONFIG_SPARC) || defined(__ia64__) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | || defined(__sh__) || defined(__mips__) |
| 70 | static int rx_copybreak = 1518; |
| 71 | #else |
| 72 | static int rx_copybreak = 100; |
| 73 | #endif |
| 74 | |
| 75 | /* |
| 76 | Set the bus performance register. |
| 77 | Typical: Set 16 longword cache alignment, no burst limit. |
| 78 | Cache alignment bits 15:14 Burst length 13:8 |
| 79 | 0000 No alignment 0x00000000 unlimited 0800 8 longwords |
| 80 | 4000 8 longwords 0100 1 longword 1000 16 longwords |
| 81 | 8000 16 longwords 0200 2 longwords 2000 32 longwords |
| 82 | C000 32 longwords 0400 4 longwords |
| 83 | Warning: many older 486 systems are broken and require setting 0x00A04800 |
| 84 | 8 longword cache alignment, 8 longword burst. |
| 85 | ToDo: Non-Intel setting could be better. |
| 86 | */ |
| 87 | |
| 88 | #if defined(__alpha__) || defined(__ia64__) |
| 89 | static int csr0 = 0x01A00000 | 0xE000; |
| 90 | #elif defined(__i386__) || defined(__powerpc__) || defined(__x86_64__) |
| 91 | static int csr0 = 0x01A00000 | 0x8000; |
David S. Miller | 4934510 | 2007-03-29 01:39:44 -0700 | [diff] [blame] | 92 | #elif defined(CONFIG_SPARC) || defined(__hppa__) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | /* The UltraSparc PCI controllers will disconnect at every 64-byte |
| 94 | * crossing anyways so it makes no sense to tell Tulip to burst |
| 95 | * any more than that. |
| 96 | */ |
| 97 | static int csr0 = 0x01A00000 | 0x9000; |
| 98 | #elif defined(__arm__) || defined(__sh__) |
| 99 | static int csr0 = 0x01A00000 | 0x4800; |
| 100 | #elif defined(__mips__) |
| 101 | static int csr0 = 0x00200000 | 0x4000; |
| 102 | #else |
| 103 | #warning Processor architecture undefined! |
| 104 | static int csr0 = 0x00A00000 | 0x4800; |
| 105 | #endif |
| 106 | |
| 107 | /* Operational parameters that usually are not changed. */ |
| 108 | /* Time in jiffies before concluding the transmitter is hung. */ |
| 109 | #define TX_TIMEOUT (4*HZ) |
| 110 | |
| 111 | |
| 112 | MODULE_AUTHOR("The Linux Kernel Team"); |
| 113 | MODULE_DESCRIPTION("Digital 21*4* Tulip ethernet driver"); |
| 114 | MODULE_LICENSE("GPL"); |
| 115 | MODULE_VERSION(DRV_VERSION); |
| 116 | module_param(tulip_debug, int, 0); |
| 117 | module_param(max_interrupt_work, int, 0); |
| 118 | module_param(rx_copybreak, int, 0); |
| 119 | module_param(csr0, int, 0); |
| 120 | module_param_array(options, int, NULL, 0); |
| 121 | module_param_array(full_duplex, int, NULL, 0); |
| 122 | |
| 123 | #define PFX DRV_NAME ": " |
| 124 | |
| 125 | #ifdef TULIP_DEBUG |
| 126 | int tulip_debug = TULIP_DEBUG; |
| 127 | #else |
| 128 | int tulip_debug = 1; |
| 129 | #endif |
| 130 | |
Francois Romieu | 0bb3cf7 | 2006-09-08 11:15:38 -0700 | [diff] [blame] | 131 | static void tulip_timer(unsigned long data) |
| 132 | { |
| 133 | struct net_device *dev = (struct net_device *)data; |
| 134 | struct tulip_private *tp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | |
Francois Romieu | 0bb3cf7 | 2006-09-08 11:15:38 -0700 | [diff] [blame] | 136 | if (netif_running(dev)) |
| 137 | schedule_work(&tp->media_work); |
| 138 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | |
| 140 | /* |
| 141 | * This table use during operation for capabilities and media timer. |
| 142 | * |
| 143 | * It is indexed via the values in 'enum chips' |
| 144 | */ |
| 145 | |
| 146 | struct tulip_chip_table tulip_tbl[] = { |
| 147 | { }, /* placeholder for array, slot unused currently */ |
| 148 | { }, /* placeholder for array, slot unused currently */ |
| 149 | |
| 150 | /* DC21140 */ |
| 151 | { "Digital DS21140 Tulip", 128, 0x0001ebef, |
Francois Romieu | 0bb3cf7 | 2006-09-08 11:15:38 -0700 | [diff] [blame] | 152 | HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM | HAS_PCI_MWI, tulip_timer, |
| 153 | tulip_media_task }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | |
| 155 | /* DC21142, DC21143 */ |
Thibaut Varene | b892de0 | 2006-09-08 11:15:36 -0700 | [diff] [blame] | 156 | { "Digital DS21142/43 Tulip", 128, 0x0801fbff, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | HAS_MII | HAS_MEDIA_TABLE | ALWAYS_CHECK_MII | HAS_ACPI | HAS_NWAY |
Francois Romieu | 0bb3cf7 | 2006-09-08 11:15:38 -0700 | [diff] [blame] | 158 | | HAS_INTR_MITIGATION | HAS_PCI_MWI, tulip_timer, t21142_media_task }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | |
| 160 | /* LC82C168 */ |
| 161 | { "Lite-On 82c168 PNIC", 256, 0x0001fbef, |
Francois Romieu | 0bb3cf7 | 2006-09-08 11:15:38 -0700 | [diff] [blame] | 162 | HAS_MII | HAS_PNICNWAY, pnic_timer, }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 163 | |
| 164 | /* MX98713 */ |
| 165 | { "Macronix 98713 PMAC", 128, 0x0001ebef, |
Francois Romieu | 0bb3cf7 | 2006-09-08 11:15:38 -0700 | [diff] [blame] | 166 | HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM, mxic_timer, }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 167 | |
| 168 | /* MX98715 */ |
| 169 | { "Macronix 98715 PMAC", 256, 0x0001ebef, |
Francois Romieu | 0bb3cf7 | 2006-09-08 11:15:38 -0700 | [diff] [blame] | 170 | HAS_MEDIA_TABLE, mxic_timer, }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 171 | |
| 172 | /* MX98725 */ |
| 173 | { "Macronix 98725 PMAC", 256, 0x0001ebef, |
Francois Romieu | 0bb3cf7 | 2006-09-08 11:15:38 -0700 | [diff] [blame] | 174 | HAS_MEDIA_TABLE, mxic_timer, }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | |
| 176 | /* AX88140 */ |
| 177 | { "ASIX AX88140", 128, 0x0001fbff, |
| 178 | HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM | MC_HASH_ONLY |
Francois Romieu | 0bb3cf7 | 2006-09-08 11:15:38 -0700 | [diff] [blame] | 179 | | IS_ASIX, tulip_timer, tulip_media_task }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 180 | |
| 181 | /* PNIC2 */ |
| 182 | { "Lite-On PNIC-II", 256, 0x0801fbff, |
Francois Romieu | 0bb3cf7 | 2006-09-08 11:15:38 -0700 | [diff] [blame] | 183 | HAS_MII | HAS_NWAY | HAS_8023X | HAS_PCI_MWI, pnic2_timer, }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 184 | |
| 185 | /* COMET */ |
| 186 | { "ADMtek Comet", 256, 0x0001abef, |
Francois Romieu | 0bb3cf7 | 2006-09-08 11:15:38 -0700 | [diff] [blame] | 187 | HAS_MII | MC_HASH_ONLY | COMET_MAC_ADDR, comet_timer, }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | |
| 189 | /* COMPEX9881 */ |
| 190 | { "Compex 9881 PMAC", 128, 0x0001ebef, |
Francois Romieu | 0bb3cf7 | 2006-09-08 11:15:38 -0700 | [diff] [blame] | 191 | HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM, mxic_timer, }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 192 | |
| 193 | /* I21145 */ |
| 194 | { "Intel DS21145 Tulip", 128, 0x0801fbff, |
| 195 | HAS_MII | HAS_MEDIA_TABLE | ALWAYS_CHECK_MII | HAS_ACPI |
Francois Romieu | 0bb3cf7 | 2006-09-08 11:15:38 -0700 | [diff] [blame] | 196 | | HAS_NWAY | HAS_PCI_MWI, tulip_timer, tulip_media_task }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | |
| 198 | /* DM910X */ |
| 199 | { "Davicom DM9102/DM9102A", 128, 0x0001ebef, |
| 200 | HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM | HAS_ACPI, |
Francois Romieu | 0bb3cf7 | 2006-09-08 11:15:38 -0700 | [diff] [blame] | 201 | tulip_timer, tulip_media_task }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 202 | |
| 203 | /* RS7112 */ |
| 204 | { "Conexant LANfinity", 256, 0x0001ebef, |
Francois Romieu | 0bb3cf7 | 2006-09-08 11:15:38 -0700 | [diff] [blame] | 205 | HAS_MII | HAS_ACPI, tulip_timer, tulip_media_task }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 206 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | }; |
| 208 | |
| 209 | |
| 210 | static struct pci_device_id tulip_pci_tbl[] = { |
| 211 | { 0x1011, 0x0009, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DC21140 }, |
| 212 | { 0x1011, 0x0019, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DC21143 }, |
| 213 | { 0x11AD, 0x0002, PCI_ANY_ID, PCI_ANY_ID, 0, 0, LC82C168 }, |
| 214 | { 0x10d9, 0x0512, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MX98713 }, |
| 215 | { 0x10d9, 0x0531, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MX98715 }, |
| 216 | /* { 0x10d9, 0x0531, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MX98725 },*/ |
| 217 | { 0x125B, 0x1400, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AX88140 }, |
| 218 | { 0x11AD, 0xc115, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PNIC2 }, |
| 219 | { 0x1317, 0x0981, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, |
| 220 | { 0x1317, 0x0985, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, |
| 221 | { 0x1317, 0x1985, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, |
| 222 | { 0x1317, 0x9511, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, |
| 223 | { 0x13D1, 0xAB02, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, |
| 224 | { 0x13D1, 0xAB03, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, |
| 225 | { 0x13D1, 0xAB08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, |
| 226 | { 0x104A, 0x0981, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, |
| 227 | { 0x104A, 0x2774, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, |
| 228 | { 0x1259, 0xa120, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, |
| 229 | { 0x11F6, 0x9881, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMPEX9881 }, |
| 230 | { 0x8086, 0x0039, PCI_ANY_ID, PCI_ANY_ID, 0, 0, I21145 }, |
| 231 | { 0x1282, 0x9100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DM910X }, |
| 232 | { 0x1282, 0x9102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DM910X }, |
| 233 | { 0x1113, 0x1216, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, |
| 234 | { 0x1113, 0x1217, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MX98715 }, |
| 235 | { 0x1113, 0x9511, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, |
| 236 | { 0x1186, 0x1541, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, |
| 237 | { 0x1186, 0x1561, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, |
| 238 | { 0x1186, 0x1591, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, |
| 239 | { 0x14f1, 0x1803, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CONEXANT }, |
| 240 | { 0x1626, 0x8410, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, |
| 241 | { 0x1737, 0xAB09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, |
| 242 | { 0x1737, 0xAB08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, |
| 243 | { 0x17B3, 0xAB08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | { 0x10b7, 0x9300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, /* 3Com 3CSOHO100B-TX */ |
Hideki Yamane | 9b25978 | 2005-06-27 00:18:32 -0400 | [diff] [blame] | 245 | { 0x14ea, 0xab08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, /* Planex FNW-3602-TX */ |
Jeff Garzik | 1a44935 | 2005-08-31 05:48:59 -0400 | [diff] [blame] | 246 | { 0x1414, 0x0002, PCI_ANY_ID, PCI_ANY_ID, 0, 0, COMET }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | { } /* terminate list */ |
| 248 | }; |
| 249 | MODULE_DEVICE_TABLE(pci, tulip_pci_tbl); |
| 250 | |
| 251 | |
| 252 | /* A full-duplex map for media types. */ |
| 253 | const char tulip_media_cap[32] = |
| 254 | {0,0,0,16, 3,19,16,24, 27,4,7,5, 0,20,23,20, 28,31,0,0, }; |
| 255 | |
| 256 | static void tulip_tx_timeout(struct net_device *dev); |
| 257 | static void tulip_init_ring(struct net_device *dev); |
Kyle McMartin | 6914563 | 2009-03-18 18:49:01 -0700 | [diff] [blame] | 258 | static void tulip_free_ring(struct net_device *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 259 | static int tulip_start_xmit(struct sk_buff *skb, struct net_device *dev); |
| 260 | static int tulip_open(struct net_device *dev); |
| 261 | static int tulip_close(struct net_device *dev); |
| 262 | static void tulip_up(struct net_device *dev); |
| 263 | static void tulip_down(struct net_device *dev); |
| 264 | static struct net_device_stats *tulip_get_stats(struct net_device *dev); |
| 265 | static int private_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); |
| 266 | static void set_rx_mode(struct net_device *dev); |
| 267 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 268 | static void poll_tulip(struct net_device *dev); |
| 269 | #endif |
| 270 | |
| 271 | static void tulip_set_power_state (struct tulip_private *tp, |
| 272 | int sleep, int snooze) |
| 273 | { |
| 274 | if (tp->flags & HAS_ACPI) { |
| 275 | u32 tmp, newtmp; |
| 276 | pci_read_config_dword (tp->pdev, CFDD, &tmp); |
| 277 | newtmp = tmp & ~(CFDD_Sleep | CFDD_Snooze); |
| 278 | if (sleep) |
| 279 | newtmp |= CFDD_Sleep; |
| 280 | else if (snooze) |
| 281 | newtmp |= CFDD_Snooze; |
| 282 | if (tmp != newtmp) |
| 283 | pci_write_config_dword (tp->pdev, CFDD, newtmp); |
| 284 | } |
| 285 | |
| 286 | } |
| 287 | |
| 288 | |
| 289 | static void tulip_up(struct net_device *dev) |
| 290 | { |
| 291 | struct tulip_private *tp = netdev_priv(dev); |
| 292 | void __iomem *ioaddr = tp->base_addr; |
| 293 | int next_tick = 3*HZ; |
Al Viro | b4482a4 | 2007-10-14 19:35:40 +0100 | [diff] [blame] | 294 | u32 reg; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 295 | int i; |
| 296 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 297 | #ifdef CONFIG_TULIP_NAPI |
| 298 | napi_enable(&tp->napi); |
| 299 | #endif |
| 300 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | /* Wake the chip from sleep/snooze mode. */ |
| 302 | tulip_set_power_state (tp, 0, 0); |
| 303 | |
| 304 | /* On some chip revs we must set the MII/SYM port before the reset!? */ |
| 305 | if (tp->mii_cnt || (tp->mtable && tp->mtable->has_mii)) |
| 306 | iowrite32(0x00040000, ioaddr + CSR6); |
| 307 | |
| 308 | /* Reset the chip, holding bit 0 set at least 50 PCI cycles. */ |
| 309 | iowrite32(0x00000001, ioaddr + CSR0); |
Al Viro | b4482a4 | 2007-10-14 19:35:40 +0100 | [diff] [blame] | 310 | pci_read_config_dword(tp->pdev, PCI_COMMAND, ®); /* flush write */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 311 | udelay(100); |
| 312 | |
| 313 | /* Deassert reset. |
| 314 | Wait the specified 50 PCI cycles after a reset by initializing |
| 315 | Tx and Rx queues and the address filter list. */ |
| 316 | iowrite32(tp->csr0, ioaddr + CSR0); |
Al Viro | b4482a4 | 2007-10-14 19:35:40 +0100 | [diff] [blame] | 317 | pci_read_config_dword(tp->pdev, PCI_COMMAND, ®); /* flush write */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 318 | udelay(100); |
| 319 | |
| 320 | if (tulip_debug > 1) |
| 321 | printk(KERN_DEBUG "%s: tulip_up(), irq==%d.\n", dev->name, dev->irq); |
| 322 | |
| 323 | iowrite32(tp->rx_ring_dma, ioaddr + CSR3); |
| 324 | iowrite32(tp->tx_ring_dma, ioaddr + CSR4); |
| 325 | tp->cur_rx = tp->cur_tx = 0; |
| 326 | tp->dirty_rx = tp->dirty_tx = 0; |
| 327 | |
| 328 | if (tp->flags & MC_HASH_ONLY) { |
Harvey Harrison | 6caf52a | 2008-04-29 01:03:36 -0700 | [diff] [blame] | 329 | u32 addr_low = get_unaligned_le32(dev->dev_addr); |
| 330 | u32 addr_high = get_unaligned_le16(dev->dev_addr + 4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 331 | if (tp->chip_id == AX88140) { |
| 332 | iowrite32(0, ioaddr + CSR13); |
| 333 | iowrite32(addr_low, ioaddr + CSR14); |
| 334 | iowrite32(1, ioaddr + CSR13); |
| 335 | iowrite32(addr_high, ioaddr + CSR14); |
| 336 | } else if (tp->flags & COMET_MAC_ADDR) { |
| 337 | iowrite32(addr_low, ioaddr + 0xA4); |
| 338 | iowrite32(addr_high, ioaddr + 0xA8); |
| 339 | iowrite32(0, ioaddr + 0xAC); |
| 340 | iowrite32(0, ioaddr + 0xB0); |
| 341 | } |
| 342 | } else { |
| 343 | /* This is set_rx_mode(), but without starting the transmitter. */ |
| 344 | u16 *eaddrs = (u16 *)dev->dev_addr; |
| 345 | u16 *setup_frm = &tp->setup_frame[15*6]; |
| 346 | dma_addr_t mapping; |
| 347 | |
| 348 | /* 21140 bug: you must add the broadcast address. */ |
| 349 | memset(tp->setup_frame, 0xff, sizeof(tp->setup_frame)); |
| 350 | /* Fill the final entry of the table with our physical address. */ |
| 351 | *setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[0]; |
| 352 | *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1]; |
| 353 | *setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2]; |
| 354 | |
| 355 | mapping = pci_map_single(tp->pdev, tp->setup_frame, |
| 356 | sizeof(tp->setup_frame), |
| 357 | PCI_DMA_TODEVICE); |
| 358 | tp->tx_buffers[tp->cur_tx].skb = NULL; |
| 359 | tp->tx_buffers[tp->cur_tx].mapping = mapping; |
| 360 | |
| 361 | /* Put the setup frame on the Tx list. */ |
| 362 | tp->tx_ring[tp->cur_tx].length = cpu_to_le32(0x08000000 | 192); |
| 363 | tp->tx_ring[tp->cur_tx].buffer1 = cpu_to_le32(mapping); |
| 364 | tp->tx_ring[tp->cur_tx].status = cpu_to_le32(DescOwned); |
| 365 | |
| 366 | tp->cur_tx++; |
| 367 | } |
| 368 | |
| 369 | tp->saved_if_port = dev->if_port; |
| 370 | if (dev->if_port == 0) |
| 371 | dev->if_port = tp->default_port; |
| 372 | |
| 373 | /* Allow selecting a default media. */ |
| 374 | i = 0; |
| 375 | if (tp->mtable == NULL) |
| 376 | goto media_picked; |
| 377 | if (dev->if_port) { |
| 378 | int looking_for = tulip_media_cap[dev->if_port] & MediaIsMII ? 11 : |
| 379 | (dev->if_port == 12 ? 0 : dev->if_port); |
| 380 | for (i = 0; i < tp->mtable->leafcount; i++) |
| 381 | if (tp->mtable->mleaf[i].media == looking_for) { |
| 382 | printk(KERN_INFO "%s: Using user-specified media %s.\n", |
| 383 | dev->name, medianame[dev->if_port]); |
| 384 | goto media_picked; |
| 385 | } |
| 386 | } |
| 387 | if ((tp->mtable->defaultmedia & 0x0800) == 0) { |
| 388 | int looking_for = tp->mtable->defaultmedia & MEDIA_MASK; |
| 389 | for (i = 0; i < tp->mtable->leafcount; i++) |
| 390 | if (tp->mtable->mleaf[i].media == looking_for) { |
| 391 | printk(KERN_INFO "%s: Using EEPROM-set media %s.\n", |
| 392 | dev->name, medianame[looking_for]); |
| 393 | goto media_picked; |
| 394 | } |
| 395 | } |
| 396 | /* Start sensing first non-full-duplex media. */ |
| 397 | for (i = tp->mtable->leafcount - 1; |
| 398 | (tulip_media_cap[tp->mtable->mleaf[i].media] & MediaAlwaysFD) && i > 0; i--) |
| 399 | ; |
| 400 | media_picked: |
| 401 | |
| 402 | tp->csr6 = 0; |
| 403 | tp->cur_index = i; |
| 404 | tp->nwayset = 0; |
| 405 | |
| 406 | if (dev->if_port) { |
| 407 | if (tp->chip_id == DC21143 && |
| 408 | (tulip_media_cap[dev->if_port] & MediaIsMII)) { |
| 409 | /* We must reset the media CSRs when we force-select MII mode. */ |
| 410 | iowrite32(0x0000, ioaddr + CSR13); |
| 411 | iowrite32(0x0000, ioaddr + CSR14); |
| 412 | iowrite32(0x0008, ioaddr + CSR15); |
| 413 | } |
| 414 | tulip_select_media(dev, 1); |
| 415 | } else if (tp->chip_id == DC21142) { |
| 416 | if (tp->mii_cnt) { |
| 417 | tulip_select_media(dev, 1); |
| 418 | if (tulip_debug > 1) |
| 419 | printk(KERN_INFO "%s: Using MII transceiver %d, status " |
| 420 | "%4.4x.\n", |
| 421 | dev->name, tp->phys[0], tulip_mdio_read(dev, tp->phys[0], 1)); |
| 422 | iowrite32(csr6_mask_defstate, ioaddr + CSR6); |
| 423 | tp->csr6 = csr6_mask_hdcap; |
| 424 | dev->if_port = 11; |
| 425 | iowrite32(0x0000, ioaddr + CSR13); |
| 426 | iowrite32(0x0000, ioaddr + CSR14); |
| 427 | } else |
| 428 | t21142_start_nway(dev); |
| 429 | } else if (tp->chip_id == PNIC2) { |
| 430 | /* for initial startup advertise 10/100 Full and Half */ |
| 431 | tp->sym_advertise = 0x01E0; |
| 432 | /* enable autonegotiate end interrupt */ |
| 433 | iowrite32(ioread32(ioaddr+CSR5)| 0x00008010, ioaddr + CSR5); |
| 434 | iowrite32(ioread32(ioaddr+CSR7)| 0x00008010, ioaddr + CSR7); |
| 435 | pnic2_start_nway(dev); |
| 436 | } else if (tp->chip_id == LC82C168 && ! tp->medialock) { |
| 437 | if (tp->mii_cnt) { |
| 438 | dev->if_port = 11; |
| 439 | tp->csr6 = 0x814C0000 | (tp->full_duplex ? 0x0200 : 0); |
| 440 | iowrite32(0x0001, ioaddr + CSR15); |
| 441 | } else if (ioread32(ioaddr + CSR5) & TPLnkPass) |
| 442 | pnic_do_nway(dev); |
| 443 | else { |
| 444 | /* Start with 10mbps to do autonegotiation. */ |
| 445 | iowrite32(0x32, ioaddr + CSR12); |
| 446 | tp->csr6 = 0x00420000; |
| 447 | iowrite32(0x0001B078, ioaddr + 0xB8); |
| 448 | iowrite32(0x0201B078, ioaddr + 0xB8); |
| 449 | next_tick = 1*HZ; |
| 450 | } |
| 451 | } else if ((tp->chip_id == MX98713 || tp->chip_id == COMPEX9881) |
| 452 | && ! tp->medialock) { |
| 453 | dev->if_port = 0; |
| 454 | tp->csr6 = 0x01880000 | (tp->full_duplex ? 0x0200 : 0); |
| 455 | iowrite32(0x0f370000 | ioread16(ioaddr + 0x80), ioaddr + 0x80); |
| 456 | } else if (tp->chip_id == MX98715 || tp->chip_id == MX98725) { |
| 457 | /* Provided by BOLO, Macronix - 12/10/1998. */ |
| 458 | dev->if_port = 0; |
| 459 | tp->csr6 = 0x01a80200; |
| 460 | iowrite32(0x0f370000 | ioread16(ioaddr + 0x80), ioaddr + 0x80); |
| 461 | iowrite32(0x11000 | ioread16(ioaddr + 0xa0), ioaddr + 0xa0); |
| 462 | } else if (tp->chip_id == COMET || tp->chip_id == CONEXANT) { |
| 463 | /* Enable automatic Tx underrun recovery. */ |
| 464 | iowrite32(ioread32(ioaddr + 0x88) | 1, ioaddr + 0x88); |
| 465 | dev->if_port = tp->mii_cnt ? 11 : 0; |
| 466 | tp->csr6 = 0x00040000; |
| 467 | } else if (tp->chip_id == AX88140) { |
| 468 | tp->csr6 = tp->mii_cnt ? 0x00040100 : 0x00000100; |
| 469 | } else |
| 470 | tulip_select_media(dev, 1); |
| 471 | |
| 472 | /* Start the chip's Tx to process setup frame. */ |
| 473 | tulip_stop_rxtx(tp); |
| 474 | barrier(); |
| 475 | udelay(5); |
| 476 | iowrite32(tp->csr6 | TxOn, ioaddr + CSR6); |
| 477 | |
| 478 | /* Enable interrupts by setting the interrupt mask. */ |
| 479 | iowrite32(tulip_tbl[tp->chip_id].valid_intrs, ioaddr + CSR5); |
| 480 | iowrite32(tulip_tbl[tp->chip_id].valid_intrs, ioaddr + CSR7); |
| 481 | tulip_start_rxtx(tp); |
| 482 | iowrite32(0, ioaddr + CSR2); /* Rx poll demand */ |
| 483 | |
| 484 | if (tulip_debug > 2) { |
| 485 | printk(KERN_DEBUG "%s: Done tulip_up(), CSR0 %8.8x, CSR5 %8.8x CSR6 %8.8x.\n", |
| 486 | dev->name, ioread32(ioaddr + CSR0), ioread32(ioaddr + CSR5), |
| 487 | ioread32(ioaddr + CSR6)); |
| 488 | } |
| 489 | |
| 490 | /* Set the timer to switch to check for link beat and perhaps switch |
| 491 | to an alternate media type. */ |
| 492 | tp->timer.expires = RUN_AT(next_tick); |
| 493 | add_timer(&tp->timer); |
| 494 | #ifdef CONFIG_TULIP_NAPI |
| 495 | init_timer(&tp->oom_timer); |
| 496 | tp->oom_timer.data = (unsigned long)dev; |
| 497 | tp->oom_timer.function = oom_timer; |
| 498 | #endif |
| 499 | } |
| 500 | |
| 501 | static int |
| 502 | tulip_open(struct net_device *dev) |
| 503 | { |
| 504 | int retval; |
| 505 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 506 | tulip_init_ring (dev); |
| 507 | |
Kyle McMartin | 6914563 | 2009-03-18 18:49:01 -0700 | [diff] [blame] | 508 | retval = request_irq(dev->irq, &tulip_interrupt, IRQF_SHARED, dev->name, dev); |
| 509 | if (retval) |
| 510 | goto free_ring; |
| 511 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 512 | tulip_up (dev); |
| 513 | |
| 514 | netif_start_queue (dev); |
| 515 | |
| 516 | return 0; |
Kyle McMartin | 6914563 | 2009-03-18 18:49:01 -0700 | [diff] [blame] | 517 | |
| 518 | free_ring: |
| 519 | tulip_free_ring (dev); |
| 520 | return retval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 521 | } |
| 522 | |
| 523 | |
| 524 | static void tulip_tx_timeout(struct net_device *dev) |
| 525 | { |
| 526 | struct tulip_private *tp = netdev_priv(dev); |
| 527 | void __iomem *ioaddr = tp->base_addr; |
| 528 | unsigned long flags; |
| 529 | |
| 530 | spin_lock_irqsave (&tp->lock, flags); |
| 531 | |
| 532 | if (tulip_media_cap[dev->if_port] & MediaIsMII) { |
| 533 | /* Do nothing -- the media monitor should handle this. */ |
| 534 | if (tulip_debug > 1) |
| 535 | printk(KERN_WARNING "%s: Transmit timeout using MII device.\n", |
| 536 | dev->name); |
| 537 | } else if (tp->chip_id == DC21140 || tp->chip_id == DC21142 |
| 538 | || tp->chip_id == MX98713 || tp->chip_id == COMPEX9881 |
Peer Chen | ea8f400 | 2005-08-11 15:09:23 -0400 | [diff] [blame] | 539 | || tp->chip_id == DM910X) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 540 | printk(KERN_WARNING "%s: 21140 transmit timed out, status %8.8x, " |
| 541 | "SIA %8.8x %8.8x %8.8x %8.8x, resetting...\n", |
| 542 | dev->name, ioread32(ioaddr + CSR5), ioread32(ioaddr + CSR12), |
| 543 | ioread32(ioaddr + CSR13), ioread32(ioaddr + CSR14), ioread32(ioaddr + CSR15)); |
Francois Romieu | 0bb3cf7 | 2006-09-08 11:15:38 -0700 | [diff] [blame] | 544 | tp->timeout_recovery = 1; |
| 545 | schedule_work(&tp->media_work); |
| 546 | goto out_unlock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 547 | } else if (tp->chip_id == PNIC2) { |
| 548 | printk(KERN_WARNING "%s: PNIC2 transmit timed out, status %8.8x, " |
| 549 | "CSR6/7 %8.8x / %8.8x CSR12 %8.8x, resetting...\n", |
| 550 | dev->name, (int)ioread32(ioaddr + CSR5), (int)ioread32(ioaddr + CSR6), |
| 551 | (int)ioread32(ioaddr + CSR7), (int)ioread32(ioaddr + CSR12)); |
| 552 | } else { |
| 553 | printk(KERN_WARNING "%s: Transmit timed out, status %8.8x, CSR12 " |
| 554 | "%8.8x, resetting...\n", |
| 555 | dev->name, ioread32(ioaddr + CSR5), ioread32(ioaddr + CSR12)); |
| 556 | dev->if_port = 0; |
| 557 | } |
| 558 | |
| 559 | #if defined(way_too_many_messages) |
| 560 | if (tulip_debug > 3) { |
| 561 | int i; |
| 562 | for (i = 0; i < RX_RING_SIZE; i++) { |
| 563 | u8 *buf = (u8 *)(tp->rx_ring[i].buffer1); |
| 564 | int j; |
| 565 | printk(KERN_DEBUG "%2d: %8.8x %8.8x %8.8x %8.8x " |
| 566 | "%2.2x %2.2x %2.2x.\n", |
| 567 | i, (unsigned int)tp->rx_ring[i].status, |
| 568 | (unsigned int)tp->rx_ring[i].length, |
| 569 | (unsigned int)tp->rx_ring[i].buffer1, |
| 570 | (unsigned int)tp->rx_ring[i].buffer2, |
| 571 | buf[0], buf[1], buf[2]); |
| 572 | for (j = 0; buf[j] != 0xee && j < 1600; j++) |
| 573 | if (j < 100) printk(" %2.2x", buf[j]); |
| 574 | printk(" j=%d.\n", j); |
| 575 | } |
| 576 | printk(KERN_DEBUG " Rx ring %8.8x: ", (int)tp->rx_ring); |
| 577 | for (i = 0; i < RX_RING_SIZE; i++) |
| 578 | printk(" %8.8x", (unsigned int)tp->rx_ring[i].status); |
| 579 | printk("\n" KERN_DEBUG " Tx ring %8.8x: ", (int)tp->tx_ring); |
| 580 | for (i = 0; i < TX_RING_SIZE; i++) |
| 581 | printk(" %8.8x", (unsigned int)tp->tx_ring[i].status); |
| 582 | printk("\n"); |
| 583 | } |
| 584 | #endif |
| 585 | |
Francois Romieu | 0bb3cf7 | 2006-09-08 11:15:38 -0700 | [diff] [blame] | 586 | tulip_tx_timeout_complete(tp, ioaddr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 587 | |
Francois Romieu | 0bb3cf7 | 2006-09-08 11:15:38 -0700 | [diff] [blame] | 588 | out_unlock: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 589 | spin_unlock_irqrestore (&tp->lock, flags); |
| 590 | dev->trans_start = jiffies; |
| 591 | netif_wake_queue (dev); |
| 592 | } |
| 593 | |
| 594 | |
| 595 | /* Initialize the Rx and Tx rings, along with various 'dev' bits. */ |
| 596 | static void tulip_init_ring(struct net_device *dev) |
| 597 | { |
| 598 | struct tulip_private *tp = netdev_priv(dev); |
| 599 | int i; |
| 600 | |
| 601 | tp->susp_rx = 0; |
| 602 | tp->ttimer = 0; |
| 603 | tp->nir = 0; |
| 604 | |
| 605 | for (i = 0; i < RX_RING_SIZE; i++) { |
| 606 | tp->rx_ring[i].status = 0x00000000; |
| 607 | tp->rx_ring[i].length = cpu_to_le32(PKT_BUF_SZ); |
| 608 | tp->rx_ring[i].buffer2 = cpu_to_le32(tp->rx_ring_dma + sizeof(struct tulip_rx_desc) * (i + 1)); |
| 609 | tp->rx_buffers[i].skb = NULL; |
| 610 | tp->rx_buffers[i].mapping = 0; |
| 611 | } |
| 612 | /* Mark the last entry as wrapping the ring. */ |
| 613 | tp->rx_ring[i-1].length = cpu_to_le32(PKT_BUF_SZ | DESC_RING_WRAP); |
| 614 | tp->rx_ring[i-1].buffer2 = cpu_to_le32(tp->rx_ring_dma); |
| 615 | |
| 616 | for (i = 0; i < RX_RING_SIZE; i++) { |
| 617 | dma_addr_t mapping; |
| 618 | |
| 619 | /* Note the receive buffer must be longword aligned. |
| 620 | dev_alloc_skb() provides 16 byte alignment. But do *not* |
| 621 | use skb_reserve() to align the IP header! */ |
| 622 | struct sk_buff *skb = dev_alloc_skb(PKT_BUF_SZ); |
| 623 | tp->rx_buffers[i].skb = skb; |
| 624 | if (skb == NULL) |
| 625 | break; |
David S. Miller | 689be43 | 2005-06-28 15:25:31 -0700 | [diff] [blame] | 626 | mapping = pci_map_single(tp->pdev, skb->data, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 627 | PKT_BUF_SZ, PCI_DMA_FROMDEVICE); |
| 628 | tp->rx_buffers[i].mapping = mapping; |
| 629 | skb->dev = dev; /* Mark as being used by this device. */ |
| 630 | tp->rx_ring[i].status = cpu_to_le32(DescOwned); /* Owned by Tulip chip */ |
| 631 | tp->rx_ring[i].buffer1 = cpu_to_le32(mapping); |
| 632 | } |
| 633 | tp->dirty_rx = (unsigned int)(i - RX_RING_SIZE); |
| 634 | |
| 635 | /* The Tx buffer descriptor is filled in as needed, but we |
| 636 | do need to clear the ownership bit. */ |
| 637 | for (i = 0; i < TX_RING_SIZE; i++) { |
| 638 | tp->tx_buffers[i].skb = NULL; |
| 639 | tp->tx_buffers[i].mapping = 0; |
| 640 | tp->tx_ring[i].status = 0x00000000; |
| 641 | tp->tx_ring[i].buffer2 = cpu_to_le32(tp->tx_ring_dma + sizeof(struct tulip_tx_desc) * (i + 1)); |
| 642 | } |
| 643 | tp->tx_ring[i-1].buffer2 = cpu_to_le32(tp->tx_ring_dma); |
| 644 | } |
| 645 | |
| 646 | static int |
| 647 | tulip_start_xmit(struct sk_buff *skb, struct net_device *dev) |
| 648 | { |
| 649 | struct tulip_private *tp = netdev_priv(dev); |
| 650 | int entry; |
| 651 | u32 flag; |
| 652 | dma_addr_t mapping; |
| 653 | |
| 654 | spin_lock_irq(&tp->lock); |
| 655 | |
| 656 | /* Calculate the next Tx descriptor entry. */ |
| 657 | entry = tp->cur_tx % TX_RING_SIZE; |
| 658 | |
| 659 | tp->tx_buffers[entry].skb = skb; |
| 660 | mapping = pci_map_single(tp->pdev, skb->data, |
| 661 | skb->len, PCI_DMA_TODEVICE); |
| 662 | tp->tx_buffers[entry].mapping = mapping; |
| 663 | tp->tx_ring[entry].buffer1 = cpu_to_le32(mapping); |
| 664 | |
| 665 | if (tp->cur_tx - tp->dirty_tx < TX_RING_SIZE/2) {/* Typical path */ |
| 666 | flag = 0x60000000; /* No interrupt */ |
| 667 | } else if (tp->cur_tx - tp->dirty_tx == TX_RING_SIZE/2) { |
| 668 | flag = 0xe0000000; /* Tx-done intr. */ |
| 669 | } else if (tp->cur_tx - tp->dirty_tx < TX_RING_SIZE - 2) { |
| 670 | flag = 0x60000000; /* No Tx-done intr. */ |
| 671 | } else { /* Leave room for set_rx_mode() to fill entries. */ |
| 672 | flag = 0xe0000000; /* Tx-done intr. */ |
| 673 | netif_stop_queue(dev); |
| 674 | } |
| 675 | if (entry == TX_RING_SIZE-1) |
| 676 | flag = 0xe0000000 | DESC_RING_WRAP; |
| 677 | |
| 678 | tp->tx_ring[entry].length = cpu_to_le32(skb->len | flag); |
| 679 | /* if we were using Transmit Automatic Polling, we would need a |
| 680 | * wmb() here. */ |
| 681 | tp->tx_ring[entry].status = cpu_to_le32(DescOwned); |
| 682 | wmb(); |
| 683 | |
| 684 | tp->cur_tx++; |
| 685 | |
| 686 | /* Trigger an immediate transmit demand. */ |
| 687 | iowrite32(0, tp->base_addr + CSR1); |
| 688 | |
| 689 | spin_unlock_irq(&tp->lock); |
| 690 | |
| 691 | dev->trans_start = jiffies; |
| 692 | |
| 693 | return 0; |
| 694 | } |
| 695 | |
| 696 | static void tulip_clean_tx_ring(struct tulip_private *tp) |
| 697 | { |
| 698 | unsigned int dirty_tx; |
| 699 | |
| 700 | for (dirty_tx = tp->dirty_tx ; tp->cur_tx - dirty_tx > 0; |
| 701 | dirty_tx++) { |
| 702 | int entry = dirty_tx % TX_RING_SIZE; |
| 703 | int status = le32_to_cpu(tp->tx_ring[entry].status); |
| 704 | |
| 705 | if (status < 0) { |
| 706 | tp->stats.tx_errors++; /* It wasn't Txed */ |
| 707 | tp->tx_ring[entry].status = 0; |
| 708 | } |
| 709 | |
| 710 | /* Check for Tx filter setup frames. */ |
| 711 | if (tp->tx_buffers[entry].skb == NULL) { |
| 712 | /* test because dummy frames not mapped */ |
| 713 | if (tp->tx_buffers[entry].mapping) |
| 714 | pci_unmap_single(tp->pdev, |
| 715 | tp->tx_buffers[entry].mapping, |
| 716 | sizeof(tp->setup_frame), |
| 717 | PCI_DMA_TODEVICE); |
| 718 | continue; |
| 719 | } |
| 720 | |
| 721 | pci_unmap_single(tp->pdev, tp->tx_buffers[entry].mapping, |
| 722 | tp->tx_buffers[entry].skb->len, |
| 723 | PCI_DMA_TODEVICE); |
| 724 | |
| 725 | /* Free the original skb. */ |
| 726 | dev_kfree_skb_irq(tp->tx_buffers[entry].skb); |
| 727 | tp->tx_buffers[entry].skb = NULL; |
| 728 | tp->tx_buffers[entry].mapping = 0; |
| 729 | } |
| 730 | } |
| 731 | |
| 732 | static void tulip_down (struct net_device *dev) |
| 733 | { |
| 734 | struct tulip_private *tp = netdev_priv(dev); |
| 735 | void __iomem *ioaddr = tp->base_addr; |
| 736 | unsigned long flags; |
| 737 | |
David S. Miller | 4bb073c | 2008-06-12 02:22:02 -0700 | [diff] [blame] | 738 | cancel_work_sync(&tp->media_work); |
Francois Romieu | 0bb3cf7 | 2006-09-08 11:15:38 -0700 | [diff] [blame] | 739 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 740 | #ifdef CONFIG_TULIP_NAPI |
| 741 | napi_disable(&tp->napi); |
| 742 | #endif |
| 743 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 744 | del_timer_sync (&tp->timer); |
| 745 | #ifdef CONFIG_TULIP_NAPI |
| 746 | del_timer_sync (&tp->oom_timer); |
| 747 | #endif |
| 748 | spin_lock_irqsave (&tp->lock, flags); |
| 749 | |
| 750 | /* Disable interrupts by clearing the interrupt mask. */ |
| 751 | iowrite32 (0x00000000, ioaddr + CSR7); |
| 752 | |
| 753 | /* Stop the Tx and Rx processes. */ |
| 754 | tulip_stop_rxtx(tp); |
| 755 | |
| 756 | /* prepare receive buffers */ |
| 757 | tulip_refill_rx(dev); |
| 758 | |
| 759 | /* release any unconsumed transmit buffers */ |
| 760 | tulip_clean_tx_ring(tp); |
| 761 | |
| 762 | if (ioread32 (ioaddr + CSR6) != 0xffffffff) |
| 763 | tp->stats.rx_missed_errors += ioread32 (ioaddr + CSR8) & 0xffff; |
| 764 | |
| 765 | spin_unlock_irqrestore (&tp->lock, flags); |
| 766 | |
| 767 | init_timer(&tp->timer); |
| 768 | tp->timer.data = (unsigned long)dev; |
| 769 | tp->timer.function = tulip_tbl[tp->chip_id].media_timer; |
| 770 | |
| 771 | dev->if_port = tp->saved_if_port; |
| 772 | |
| 773 | /* Leave the driver in snooze, not sleep, mode. */ |
| 774 | tulip_set_power_state (tp, 0, 1); |
| 775 | } |
| 776 | |
Kyle McMartin | 6914563 | 2009-03-18 18:49:01 -0700 | [diff] [blame] | 777 | static void tulip_free_ring (struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 778 | { |
| 779 | struct tulip_private *tp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 780 | int i; |
| 781 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 782 | /* Free all the skbuffs in the Rx queue. */ |
| 783 | for (i = 0; i < RX_RING_SIZE; i++) { |
| 784 | struct sk_buff *skb = tp->rx_buffers[i].skb; |
| 785 | dma_addr_t mapping = tp->rx_buffers[i].mapping; |
| 786 | |
| 787 | tp->rx_buffers[i].skb = NULL; |
| 788 | tp->rx_buffers[i].mapping = 0; |
| 789 | |
| 790 | tp->rx_ring[i].status = 0; /* Not owned by Tulip chip. */ |
| 791 | tp->rx_ring[i].length = 0; |
Al Viro | 76285ee | 2007-12-23 20:01:04 +0000 | [diff] [blame] | 792 | /* An invalid address. */ |
| 793 | tp->rx_ring[i].buffer1 = cpu_to_le32(0xBADF00D0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 794 | if (skb) { |
| 795 | pci_unmap_single(tp->pdev, mapping, PKT_BUF_SZ, |
| 796 | PCI_DMA_FROMDEVICE); |
| 797 | dev_kfree_skb (skb); |
| 798 | } |
| 799 | } |
Kyle McMartin | 6914563 | 2009-03-18 18:49:01 -0700 | [diff] [blame] | 800 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 801 | for (i = 0; i < TX_RING_SIZE; i++) { |
| 802 | struct sk_buff *skb = tp->tx_buffers[i].skb; |
| 803 | |
| 804 | if (skb != NULL) { |
| 805 | pci_unmap_single(tp->pdev, tp->tx_buffers[i].mapping, |
| 806 | skb->len, PCI_DMA_TODEVICE); |
| 807 | dev_kfree_skb (skb); |
| 808 | } |
| 809 | tp->tx_buffers[i].skb = NULL; |
| 810 | tp->tx_buffers[i].mapping = 0; |
| 811 | } |
Kyle McMartin | 6914563 | 2009-03-18 18:49:01 -0700 | [diff] [blame] | 812 | } |
| 813 | |
| 814 | static int tulip_close (struct net_device *dev) |
| 815 | { |
| 816 | struct tulip_private *tp = netdev_priv(dev); |
| 817 | void __iomem *ioaddr = tp->base_addr; |
| 818 | |
| 819 | netif_stop_queue (dev); |
| 820 | |
| 821 | tulip_down (dev); |
| 822 | |
| 823 | if (tulip_debug > 1) |
| 824 | printk (KERN_DEBUG "%s: Shutting down ethercard, status was %2.2x.\n", |
| 825 | dev->name, ioread32 (ioaddr + CSR5)); |
| 826 | |
| 827 | free_irq (dev->irq, dev); |
| 828 | |
| 829 | tulip_free_ring (dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 830 | |
| 831 | return 0; |
| 832 | } |
| 833 | |
| 834 | static struct net_device_stats *tulip_get_stats(struct net_device *dev) |
| 835 | { |
| 836 | struct tulip_private *tp = netdev_priv(dev); |
| 837 | void __iomem *ioaddr = tp->base_addr; |
| 838 | |
| 839 | if (netif_running(dev)) { |
| 840 | unsigned long flags; |
| 841 | |
| 842 | spin_lock_irqsave (&tp->lock, flags); |
| 843 | |
| 844 | tp->stats.rx_missed_errors += ioread32(ioaddr + CSR8) & 0xffff; |
| 845 | |
| 846 | spin_unlock_irqrestore(&tp->lock, flags); |
| 847 | } |
| 848 | |
| 849 | return &tp->stats; |
| 850 | } |
| 851 | |
| 852 | |
| 853 | static void tulip_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) |
| 854 | { |
| 855 | struct tulip_private *np = netdev_priv(dev); |
| 856 | strcpy(info->driver, DRV_NAME); |
| 857 | strcpy(info->version, DRV_VERSION); |
| 858 | strcpy(info->bus_info, pci_name(np->pdev)); |
| 859 | } |
| 860 | |
Jeff Garzik | 7282d49 | 2006-09-13 14:30:00 -0400 | [diff] [blame] | 861 | static const struct ethtool_ops ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 862 | .get_drvinfo = tulip_get_drvinfo |
| 863 | }; |
| 864 | |
| 865 | /* Provide ioctl() calls to examine the MII xcvr state. */ |
| 866 | static int private_ioctl (struct net_device *dev, struct ifreq *rq, int cmd) |
| 867 | { |
| 868 | struct tulip_private *tp = netdev_priv(dev); |
| 869 | void __iomem *ioaddr = tp->base_addr; |
| 870 | struct mii_ioctl_data *data = if_mii(rq); |
| 871 | const unsigned int phy_idx = 0; |
| 872 | int phy = tp->phys[phy_idx] & 0x1f; |
| 873 | unsigned int regnum = data->reg_num; |
| 874 | |
| 875 | switch (cmd) { |
| 876 | case SIOCGMIIPHY: /* Get address of MII PHY in use. */ |
| 877 | if (tp->mii_cnt) |
| 878 | data->phy_id = phy; |
| 879 | else if (tp->flags & HAS_NWAY) |
| 880 | data->phy_id = 32; |
| 881 | else if (tp->chip_id == COMET) |
| 882 | data->phy_id = 1; |
| 883 | else |
| 884 | return -ENODEV; |
| 885 | |
| 886 | case SIOCGMIIREG: /* Read MII PHY register. */ |
| 887 | if (data->phy_id == 32 && (tp->flags & HAS_NWAY)) { |
| 888 | int csr12 = ioread32 (ioaddr + CSR12); |
| 889 | int csr14 = ioread32 (ioaddr + CSR14); |
| 890 | switch (regnum) { |
| 891 | case 0: |
| 892 | if (((csr14<<5) & 0x1000) || |
| 893 | (dev->if_port == 5 && tp->nwayset)) |
| 894 | data->val_out = 0x1000; |
| 895 | else |
| 896 | data->val_out = (tulip_media_cap[dev->if_port]&MediaIs100 ? 0x2000 : 0) |
| 897 | | (tulip_media_cap[dev->if_port]&MediaIsFD ? 0x0100 : 0); |
| 898 | break; |
| 899 | case 1: |
| 900 | data->val_out = |
| 901 | 0x1848 + |
| 902 | ((csr12&0x7000) == 0x5000 ? 0x20 : 0) + |
| 903 | ((csr12&0x06) == 6 ? 0 : 4); |
| 904 | data->val_out |= 0x6048; |
| 905 | break; |
| 906 | case 4: |
| 907 | /* Advertised value, bogus 10baseTx-FD value from CSR6. */ |
| 908 | data->val_out = |
| 909 | ((ioread32(ioaddr + CSR6) >> 3) & 0x0040) + |
| 910 | ((csr14 >> 1) & 0x20) + 1; |
| 911 | data->val_out |= ((csr14 >> 9) & 0x03C0); |
| 912 | break; |
| 913 | case 5: data->val_out = tp->lpar; break; |
| 914 | default: data->val_out = 0; break; |
| 915 | } |
| 916 | } else { |
| 917 | data->val_out = tulip_mdio_read (dev, data->phy_id & 0x1f, regnum); |
| 918 | } |
| 919 | return 0; |
| 920 | |
| 921 | case SIOCSMIIREG: /* Write MII PHY register. */ |
| 922 | if (!capable (CAP_NET_ADMIN)) |
| 923 | return -EPERM; |
| 924 | if (regnum & ~0x1f) |
| 925 | return -EINVAL; |
| 926 | if (data->phy_id == phy) { |
| 927 | u16 value = data->val_in; |
| 928 | switch (regnum) { |
| 929 | case 0: /* Check for autonegotiation on or reset. */ |
| 930 | tp->full_duplex_lock = (value & 0x9000) ? 0 : 1; |
| 931 | if (tp->full_duplex_lock) |
| 932 | tp->full_duplex = (value & 0x0100) ? 1 : 0; |
| 933 | break; |
| 934 | case 4: |
| 935 | tp->advertising[phy_idx] = |
| 936 | tp->mii_advertise = data->val_in; |
| 937 | break; |
| 938 | } |
| 939 | } |
| 940 | if (data->phy_id == 32 && (tp->flags & HAS_NWAY)) { |
| 941 | u16 value = data->val_in; |
| 942 | if (regnum == 0) { |
| 943 | if ((value & 0x1200) == 0x1200) { |
| 944 | if (tp->chip_id == PNIC2) { |
| 945 | pnic2_start_nway (dev); |
| 946 | } else { |
| 947 | t21142_start_nway (dev); |
| 948 | } |
| 949 | } |
| 950 | } else if (regnum == 4) |
| 951 | tp->sym_advertise = value; |
| 952 | } else { |
| 953 | tulip_mdio_write (dev, data->phy_id & 0x1f, regnum, data->val_in); |
| 954 | } |
| 955 | return 0; |
| 956 | default: |
| 957 | return -EOPNOTSUPP; |
| 958 | } |
| 959 | |
| 960 | return -EOPNOTSUPP; |
| 961 | } |
| 962 | |
| 963 | |
| 964 | /* Set or clear the multicast filter for this adaptor. |
| 965 | Note that we only use exclusion around actually queueing the |
| 966 | new frame, not around filling tp->setup_frame. This is non-deterministic |
| 967 | when re-entered but still correct. */ |
| 968 | |
| 969 | #undef set_bit_le |
| 970 | #define set_bit_le(i,p) do { ((char *)(p))[(i)/8] |= (1<<((i)%8)); } while(0) |
| 971 | |
| 972 | static void build_setup_frame_hash(u16 *setup_frm, struct net_device *dev) |
| 973 | { |
| 974 | struct tulip_private *tp = netdev_priv(dev); |
| 975 | u16 hash_table[32]; |
| 976 | struct dev_mc_list *mclist; |
| 977 | int i; |
| 978 | u16 *eaddrs; |
| 979 | |
| 980 | memset(hash_table, 0, sizeof(hash_table)); |
| 981 | set_bit_le(255, hash_table); /* Broadcast entry */ |
| 982 | /* This should work on big-endian machines as well. */ |
| 983 | for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; |
| 984 | i++, mclist = mclist->next) { |
| 985 | int index = ether_crc_le(ETH_ALEN, mclist->dmi_addr) & 0x1ff; |
| 986 | |
| 987 | set_bit_le(index, hash_table); |
| 988 | |
| 989 | } |
| 990 | for (i = 0; i < 32; i++) { |
| 991 | *setup_frm++ = hash_table[i]; |
| 992 | *setup_frm++ = hash_table[i]; |
| 993 | } |
| 994 | setup_frm = &tp->setup_frame[13*6]; |
| 995 | |
| 996 | /* Fill the final entry with our physical address. */ |
| 997 | eaddrs = (u16 *)dev->dev_addr; |
| 998 | *setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[0]; |
| 999 | *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1]; |
| 1000 | *setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2]; |
| 1001 | } |
| 1002 | |
| 1003 | static void build_setup_frame_perfect(u16 *setup_frm, struct net_device *dev) |
| 1004 | { |
| 1005 | struct tulip_private *tp = netdev_priv(dev); |
| 1006 | struct dev_mc_list *mclist; |
| 1007 | int i; |
| 1008 | u16 *eaddrs; |
| 1009 | |
| 1010 | /* We have <= 14 addresses so we can use the wonderful |
| 1011 | 16 address perfect filtering of the Tulip. */ |
| 1012 | for (i = 0, mclist = dev->mc_list; i < dev->mc_count; |
| 1013 | i++, mclist = mclist->next) { |
| 1014 | eaddrs = (u16 *)mclist->dmi_addr; |
| 1015 | *setup_frm++ = *eaddrs; *setup_frm++ = *eaddrs++; |
| 1016 | *setup_frm++ = *eaddrs; *setup_frm++ = *eaddrs++; |
| 1017 | *setup_frm++ = *eaddrs; *setup_frm++ = *eaddrs++; |
| 1018 | } |
| 1019 | /* Fill the unused entries with the broadcast address. */ |
| 1020 | memset(setup_frm, 0xff, (15-i)*12); |
| 1021 | setup_frm = &tp->setup_frame[15*6]; |
| 1022 | |
| 1023 | /* Fill the final entry with our physical address. */ |
| 1024 | eaddrs = (u16 *)dev->dev_addr; |
| 1025 | *setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[0]; |
| 1026 | *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1]; |
| 1027 | *setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2]; |
| 1028 | } |
| 1029 | |
| 1030 | |
| 1031 | static void set_rx_mode(struct net_device *dev) |
| 1032 | { |
| 1033 | struct tulip_private *tp = netdev_priv(dev); |
| 1034 | void __iomem *ioaddr = tp->base_addr; |
| 1035 | int csr6; |
| 1036 | |
| 1037 | csr6 = ioread32(ioaddr + CSR6) & ~0x00D5; |
| 1038 | |
| 1039 | tp->csr6 &= ~0x00D5; |
| 1040 | if (dev->flags & IFF_PROMISC) { /* Set promiscuous. */ |
| 1041 | tp->csr6 |= AcceptAllMulticast | AcceptAllPhys; |
| 1042 | csr6 |= AcceptAllMulticast | AcceptAllPhys; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1043 | } else if ((dev->mc_count > 1000) || (dev->flags & IFF_ALLMULTI)) { |
| 1044 | /* Too many to filter well -- accept all multicasts. */ |
| 1045 | tp->csr6 |= AcceptAllMulticast; |
| 1046 | csr6 |= AcceptAllMulticast; |
| 1047 | } else if (tp->flags & MC_HASH_ONLY) { |
| 1048 | /* Some work-alikes have only a 64-entry hash filter table. */ |
| 1049 | /* Should verify correctness on big-endian/__powerpc__ */ |
| 1050 | struct dev_mc_list *mclist; |
| 1051 | int i; |
| 1052 | if (dev->mc_count > 64) { /* Arbitrary non-effective limit. */ |
| 1053 | tp->csr6 |= AcceptAllMulticast; |
| 1054 | csr6 |= AcceptAllMulticast; |
| 1055 | } else { |
| 1056 | u32 mc_filter[2] = {0, 0}; /* Multicast hash filter */ |
| 1057 | int filterbit; |
| 1058 | for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; |
| 1059 | i++, mclist = mclist->next) { |
| 1060 | if (tp->flags & COMET_MAC_ADDR) |
| 1061 | filterbit = ether_crc_le(ETH_ALEN, mclist->dmi_addr); |
| 1062 | else |
| 1063 | filterbit = ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26; |
| 1064 | filterbit &= 0x3f; |
| 1065 | mc_filter[filterbit >> 5] |= 1 << (filterbit & 31); |
Johannes Berg | e174961 | 2008-10-27 15:59:26 -0700 | [diff] [blame] | 1066 | if (tulip_debug > 2) |
| 1067 | printk(KERN_INFO "%s: Added filter for %pM" |
Joe Perches | 0795af5 | 2007-10-03 17:59:30 -0700 | [diff] [blame] | 1068 | " %8.8x bit %d.\n", |
Johannes Berg | e174961 | 2008-10-27 15:59:26 -0700 | [diff] [blame] | 1069 | dev->name, mclist->dmi_addr, |
Joe Perches | 0795af5 | 2007-10-03 17:59:30 -0700 | [diff] [blame] | 1070 | ether_crc(ETH_ALEN, mclist->dmi_addr), filterbit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1071 | } |
| 1072 | if (mc_filter[0] == tp->mc_filter[0] && |
| 1073 | mc_filter[1] == tp->mc_filter[1]) |
| 1074 | ; /* No change. */ |
| 1075 | else if (tp->flags & IS_ASIX) { |
| 1076 | iowrite32(2, ioaddr + CSR13); |
| 1077 | iowrite32(mc_filter[0], ioaddr + CSR14); |
| 1078 | iowrite32(3, ioaddr + CSR13); |
| 1079 | iowrite32(mc_filter[1], ioaddr + CSR14); |
| 1080 | } else if (tp->flags & COMET_MAC_ADDR) { |
| 1081 | iowrite32(mc_filter[0], ioaddr + 0xAC); |
| 1082 | iowrite32(mc_filter[1], ioaddr + 0xB0); |
| 1083 | } |
| 1084 | tp->mc_filter[0] = mc_filter[0]; |
| 1085 | tp->mc_filter[1] = mc_filter[1]; |
| 1086 | } |
| 1087 | } else { |
| 1088 | unsigned long flags; |
| 1089 | u32 tx_flags = 0x08000000 | 192; |
| 1090 | |
| 1091 | /* Note that only the low-address shortword of setup_frame is valid! |
| 1092 | The values are doubled for big-endian architectures. */ |
| 1093 | if (dev->mc_count > 14) { /* Must use a multicast hash table. */ |
| 1094 | build_setup_frame_hash(tp->setup_frame, dev); |
| 1095 | tx_flags = 0x08400000 | 192; |
| 1096 | } else { |
| 1097 | build_setup_frame_perfect(tp->setup_frame, dev); |
| 1098 | } |
| 1099 | |
| 1100 | spin_lock_irqsave(&tp->lock, flags); |
| 1101 | |
| 1102 | if (tp->cur_tx - tp->dirty_tx > TX_RING_SIZE - 2) { |
| 1103 | /* Same setup recently queued, we need not add it. */ |
| 1104 | } else { |
| 1105 | unsigned int entry; |
| 1106 | int dummy = -1; |
| 1107 | |
| 1108 | /* Now add this frame to the Tx list. */ |
| 1109 | |
| 1110 | entry = tp->cur_tx++ % TX_RING_SIZE; |
| 1111 | |
| 1112 | if (entry != 0) { |
Peer Chen | ea8f400 | 2005-08-11 15:09:23 -0400 | [diff] [blame] | 1113 | /* Avoid a chip errata by prefixing a dummy entry. */ |
| 1114 | tp->tx_buffers[entry].skb = NULL; |
| 1115 | tp->tx_buffers[entry].mapping = 0; |
| 1116 | tp->tx_ring[entry].length = |
| 1117 | (entry == TX_RING_SIZE-1) ? cpu_to_le32(DESC_RING_WRAP) : 0; |
| 1118 | tp->tx_ring[entry].buffer1 = 0; |
| 1119 | /* Must set DescOwned later to avoid race with chip */ |
| 1120 | dummy = entry; |
| 1121 | entry = tp->cur_tx++ % TX_RING_SIZE; |
| 1122 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1123 | } |
| 1124 | |
| 1125 | tp->tx_buffers[entry].skb = NULL; |
| 1126 | tp->tx_buffers[entry].mapping = |
| 1127 | pci_map_single(tp->pdev, tp->setup_frame, |
| 1128 | sizeof(tp->setup_frame), |
| 1129 | PCI_DMA_TODEVICE); |
| 1130 | /* Put the setup frame on the Tx list. */ |
| 1131 | if (entry == TX_RING_SIZE-1) |
| 1132 | tx_flags |= DESC_RING_WRAP; /* Wrap ring. */ |
| 1133 | tp->tx_ring[entry].length = cpu_to_le32(tx_flags); |
| 1134 | tp->tx_ring[entry].buffer1 = |
| 1135 | cpu_to_le32(tp->tx_buffers[entry].mapping); |
| 1136 | tp->tx_ring[entry].status = cpu_to_le32(DescOwned); |
| 1137 | if (dummy >= 0) |
| 1138 | tp->tx_ring[dummy].status = cpu_to_le32(DescOwned); |
| 1139 | if (tp->cur_tx - tp->dirty_tx >= TX_RING_SIZE - 2) |
| 1140 | netif_stop_queue(dev); |
| 1141 | |
| 1142 | /* Trigger an immediate transmit demand. */ |
| 1143 | iowrite32(0, ioaddr + CSR1); |
| 1144 | } |
| 1145 | |
| 1146 | spin_unlock_irqrestore(&tp->lock, flags); |
| 1147 | } |
| 1148 | |
| 1149 | iowrite32(csr6, ioaddr + CSR6); |
| 1150 | } |
| 1151 | |
| 1152 | #ifdef CONFIG_TULIP_MWI |
| 1153 | static void __devinit tulip_mwi_config (struct pci_dev *pdev, |
| 1154 | struct net_device *dev) |
| 1155 | { |
| 1156 | struct tulip_private *tp = netdev_priv(dev); |
| 1157 | u8 cache; |
| 1158 | u16 pci_command; |
| 1159 | u32 csr0; |
| 1160 | |
| 1161 | if (tulip_debug > 3) |
| 1162 | printk(KERN_DEBUG "%s: tulip_mwi_config()\n", pci_name(pdev)); |
| 1163 | |
| 1164 | tp->csr0 = csr0 = 0; |
| 1165 | |
Peter Horton | 10c6462 | 2008-03-25 12:39:09 +0100 | [diff] [blame] | 1166 | /* if we have any cache line size at all, we can do MRM and MWI */ |
| 1167 | csr0 |= MRM | MWI; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1168 | |
Peter Horton | 10c6462 | 2008-03-25 12:39:09 +0100 | [diff] [blame] | 1169 | /* Enable MWI in the standard PCI command bit. |
| 1170 | * Check for the case where MWI is desired but not available |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1171 | */ |
Peter Horton | 10c6462 | 2008-03-25 12:39:09 +0100 | [diff] [blame] | 1172 | pci_try_set_mwi(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1173 | |
| 1174 | /* read result from hardware (in case bit refused to enable) */ |
| 1175 | pci_read_config_word(pdev, PCI_COMMAND, &pci_command); |
| 1176 | if ((csr0 & MWI) && (!(pci_command & PCI_COMMAND_INVALIDATE))) |
| 1177 | csr0 &= ~MWI; |
| 1178 | |
| 1179 | /* if cache line size hardwired to zero, no MWI */ |
| 1180 | pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &cache); |
| 1181 | if ((csr0 & MWI) && (cache == 0)) { |
| 1182 | csr0 &= ~MWI; |
| 1183 | pci_clear_mwi(pdev); |
| 1184 | } |
| 1185 | |
| 1186 | /* assign per-cacheline-size cache alignment and |
| 1187 | * burst length values |
| 1188 | */ |
| 1189 | switch (cache) { |
| 1190 | case 8: |
| 1191 | csr0 |= MRL | (1 << CALShift) | (16 << BurstLenShift); |
| 1192 | break; |
| 1193 | case 16: |
| 1194 | csr0 |= MRL | (2 << CALShift) | (16 << BurstLenShift); |
| 1195 | break; |
| 1196 | case 32: |
| 1197 | csr0 |= MRL | (3 << CALShift) | (32 << BurstLenShift); |
| 1198 | break; |
| 1199 | default: |
| 1200 | cache = 0; |
| 1201 | break; |
| 1202 | } |
| 1203 | |
| 1204 | /* if we have a good cache line size, we by now have a good |
| 1205 | * csr0, so save it and exit |
| 1206 | */ |
| 1207 | if (cache) |
| 1208 | goto out; |
| 1209 | |
| 1210 | /* we don't have a good csr0 or cache line size, disable MWI */ |
| 1211 | if (csr0 & MWI) { |
| 1212 | pci_clear_mwi(pdev); |
| 1213 | csr0 &= ~MWI; |
| 1214 | } |
| 1215 | |
| 1216 | /* sane defaults for burst length and cache alignment |
| 1217 | * originally from de4x5 driver |
| 1218 | */ |
| 1219 | csr0 |= (8 << BurstLenShift) | (1 << CALShift); |
| 1220 | |
| 1221 | out: |
| 1222 | tp->csr0 = csr0; |
| 1223 | if (tulip_debug > 2) |
| 1224 | printk(KERN_DEBUG "%s: MWI config cacheline=%d, csr0=%08x\n", |
| 1225 | pci_name(pdev), cache, csr0); |
| 1226 | } |
| 1227 | #endif |
| 1228 | |
| 1229 | /* |
| 1230 | * Chips that have the MRM/reserved bit quirk and the burst quirk. That |
| 1231 | * is the DM910X and the on chip ULi devices |
| 1232 | */ |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 1233 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1234 | static int tulip_uli_dm_quirk(struct pci_dev *pdev) |
| 1235 | { |
| 1236 | if (pdev->vendor == 0x1282 && pdev->device == 0x9102) |
| 1237 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1238 | return 0; |
| 1239 | } |
| 1240 | |
Stephen Hemminger | f4266cf | 2009-01-07 17:59:15 -0800 | [diff] [blame] | 1241 | static const struct net_device_ops tulip_netdev_ops = { |
| 1242 | .ndo_open = tulip_open, |
| 1243 | .ndo_start_xmit = tulip_start_xmit, |
| 1244 | .ndo_tx_timeout = tulip_tx_timeout, |
| 1245 | .ndo_stop = tulip_close, |
| 1246 | .ndo_get_stats = tulip_get_stats, |
| 1247 | .ndo_do_ioctl = private_ioctl, |
| 1248 | .ndo_set_multicast_list = set_rx_mode, |
| 1249 | .ndo_change_mtu = eth_change_mtu, |
| 1250 | .ndo_set_mac_address = eth_mac_addr, |
| 1251 | .ndo_validate_addr = eth_validate_addr, |
| 1252 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 1253 | .ndo_poll_controller = poll_tulip, |
| 1254 | #endif |
| 1255 | }; |
| 1256 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1257 | static int __devinit tulip_init_one (struct pci_dev *pdev, |
| 1258 | const struct pci_device_id *ent) |
| 1259 | { |
| 1260 | struct tulip_private *tp; |
| 1261 | /* See note below on the multiport cards. */ |
| 1262 | static unsigned char last_phys_addr[6] = {0x00, 'L', 'i', 'n', 'u', 'x'}; |
| 1263 | static struct pci_device_id early_486_chipsets[] = { |
| 1264 | { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82424) }, |
| 1265 | { PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_496) }, |
| 1266 | { }, |
| 1267 | }; |
| 1268 | static int last_irq; |
| 1269 | static int multiport_cnt; /* For four-port boards w/one EEPROM */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1270 | int i, irq; |
| 1271 | unsigned short sum; |
| 1272 | unsigned char *ee_data; |
| 1273 | struct net_device *dev; |
| 1274 | void __iomem *ioaddr; |
| 1275 | static int board_idx = -1; |
| 1276 | int chip_idx = ent->driver_data; |
| 1277 | const char *chip_name = tulip_tbl[chip_idx].chip_name; |
| 1278 | unsigned int eeprom_missing = 0; |
| 1279 | unsigned int force_csr0 = 0; |
| 1280 | |
| 1281 | #ifndef MODULE |
| 1282 | static int did_version; /* Already printed version info. */ |
| 1283 | if (tulip_debug > 0 && did_version++ == 0) |
| 1284 | printk (KERN_INFO "%s", version); |
| 1285 | #endif |
| 1286 | |
| 1287 | board_idx++; |
| 1288 | |
| 1289 | /* |
| 1290 | * Lan media wire a tulip chip to a wan interface. Needs a very |
| 1291 | * different driver (lmc driver) |
| 1292 | */ |
| 1293 | |
| 1294 | if (pdev->subsystem_vendor == PCI_VENDOR_ID_LMC) { |
| 1295 | printk (KERN_ERR PFX "skipping LMC card.\n"); |
| 1296 | return -ENODEV; |
| 1297 | } |
| 1298 | |
| 1299 | /* |
| 1300 | * Early DM9100's need software CRC and the DMFE driver |
| 1301 | */ |
| 1302 | |
| 1303 | if (pdev->vendor == 0x1282 && pdev->device == 0x9100) |
| 1304 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1305 | /* Read Chip revision */ |
Al Viro | 8ca7ee6 | 2007-07-15 21:01:02 +0100 | [diff] [blame] | 1306 | if (pdev->revision < 0x30) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1307 | { |
| 1308 | printk(KERN_ERR PFX "skipping early DM9100 with Crc bug (use dmfe)\n"); |
| 1309 | return -ENODEV; |
| 1310 | } |
| 1311 | } |
| 1312 | |
| 1313 | /* |
| 1314 | * Looks for early PCI chipsets where people report hangs |
| 1315 | * without the workarounds being on. |
| 1316 | */ |
| 1317 | |
| 1318 | /* 1. Intel Saturn. Switch to 8 long words burst, 8 long word cache |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 1319 | aligned. Aries might need this too. The Saturn errata are not |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1320 | pretty reading but thankfully it's an old 486 chipset. |
| 1321 | |
| 1322 | 2. The dreaded SiS496 486 chipset. Same workaround as Intel |
| 1323 | Saturn. |
| 1324 | */ |
| 1325 | |
| 1326 | if (pci_dev_present(early_486_chipsets)) { |
| 1327 | csr0 = MRL | MRM | (8 << BurstLenShift) | (1 << CALShift); |
| 1328 | force_csr0 = 1; |
| 1329 | } |
| 1330 | |
| 1331 | /* bugfix: the ASIX must have a burst limit or horrible things happen. */ |
| 1332 | if (chip_idx == AX88140) { |
| 1333 | if ((csr0 & 0x3f00) == 0) |
| 1334 | csr0 |= 0x2000; |
| 1335 | } |
| 1336 | |
| 1337 | /* PNIC doesn't have MWI/MRL/MRM... */ |
| 1338 | if (chip_idx == LC82C168) |
| 1339 | csr0 &= ~0xfff10000; /* zero reserved bits 31:20, 16 */ |
| 1340 | |
| 1341 | /* DM9102A has troubles with MRM & clear reserved bits 24:22, 20, 16, 7:1 */ |
| 1342 | if (tulip_uli_dm_quirk(pdev)) { |
| 1343 | csr0 &= ~0x01f100ff; |
David S. Miller | 4934510 | 2007-03-29 01:39:44 -0700 | [diff] [blame] | 1344 | #if defined(CONFIG_SPARC) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1345 | csr0 = (csr0 & ~0xff00) | 0xe000; |
| 1346 | #endif |
| 1347 | } |
| 1348 | /* |
| 1349 | * And back to business |
| 1350 | */ |
| 1351 | |
| 1352 | i = pci_enable_device(pdev); |
| 1353 | if (i) { |
| 1354 | printk (KERN_ERR PFX |
| 1355 | "Cannot enable tulip board #%d, aborting\n", |
| 1356 | board_idx); |
| 1357 | return i; |
| 1358 | } |
| 1359 | |
| 1360 | irq = pdev->irq; |
| 1361 | |
| 1362 | /* alloc_etherdev ensures aligned and zeroed private structures */ |
| 1363 | dev = alloc_etherdev (sizeof (*tp)); |
| 1364 | if (!dev) { |
| 1365 | printk (KERN_ERR PFX "ether device alloc failed, aborting\n"); |
| 1366 | return -ENOMEM; |
| 1367 | } |
| 1368 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1369 | SET_NETDEV_DEV(dev, &pdev->dev); |
| 1370 | if (pci_resource_len (pdev, 0) < tulip_tbl[chip_idx].io_size) { |
Greg Kroah-Hartman | 7c7459d | 2006-06-12 15:13:08 -0700 | [diff] [blame] | 1371 | printk (KERN_ERR PFX "%s: I/O region (0x%llx@0x%llx) too small, " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1372 | "aborting\n", pci_name(pdev), |
Greg Kroah-Hartman | 7c7459d | 2006-06-12 15:13:08 -0700 | [diff] [blame] | 1373 | (unsigned long long)pci_resource_len (pdev, 0), |
| 1374 | (unsigned long long)pci_resource_start (pdev, 0)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1375 | goto err_out_free_netdev; |
| 1376 | } |
| 1377 | |
| 1378 | /* grab all resources from both PIO and MMIO regions, as we |
| 1379 | * don't want anyone else messing around with our hardware */ |
| 1380 | if (pci_request_regions (pdev, "tulip")) |
| 1381 | goto err_out_free_netdev; |
| 1382 | |
Grant Grundler | 7f2b124 | 2006-09-08 11:15:39 -0700 | [diff] [blame] | 1383 | ioaddr = pci_iomap(pdev, TULIP_BAR, tulip_tbl[chip_idx].io_size); |
| 1384 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1385 | if (!ioaddr) |
| 1386 | goto err_out_free_res; |
| 1387 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1388 | /* |
| 1389 | * initialize private data structure 'tp' |
| 1390 | * it is zeroed and aligned in alloc_etherdev |
| 1391 | */ |
| 1392 | tp = netdev_priv(dev); |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 1393 | tp->dev = dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1394 | |
| 1395 | tp->rx_ring = pci_alloc_consistent(pdev, |
| 1396 | sizeof(struct tulip_rx_desc) * RX_RING_SIZE + |
| 1397 | sizeof(struct tulip_tx_desc) * TX_RING_SIZE, |
| 1398 | &tp->rx_ring_dma); |
| 1399 | if (!tp->rx_ring) |
| 1400 | goto err_out_mtable; |
| 1401 | tp->tx_ring = (struct tulip_tx_desc *)(tp->rx_ring + RX_RING_SIZE); |
| 1402 | tp->tx_ring_dma = tp->rx_ring_dma + sizeof(struct tulip_rx_desc) * RX_RING_SIZE; |
| 1403 | |
| 1404 | tp->chip_id = chip_idx; |
| 1405 | tp->flags = tulip_tbl[chip_idx].flags; |
| 1406 | tp->pdev = pdev; |
| 1407 | tp->base_addr = ioaddr; |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 1408 | tp->revision = pdev->revision; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1409 | tp->csr0 = csr0; |
| 1410 | spin_lock_init(&tp->lock); |
| 1411 | spin_lock_init(&tp->mii_lock); |
| 1412 | init_timer(&tp->timer); |
| 1413 | tp->timer.data = (unsigned long)dev; |
| 1414 | tp->timer.function = tulip_tbl[tp->chip_id].media_timer; |
| 1415 | |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 1416 | INIT_WORK(&tp->media_work, tulip_tbl[tp->chip_id].media_task); |
Francois Romieu | 0bb3cf7 | 2006-09-08 11:15:38 -0700 | [diff] [blame] | 1417 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1418 | dev->base_addr = (unsigned long)ioaddr; |
| 1419 | |
| 1420 | #ifdef CONFIG_TULIP_MWI |
| 1421 | if (!force_csr0 && (tp->flags & HAS_PCI_MWI)) |
| 1422 | tulip_mwi_config (pdev, dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1423 | #endif |
| 1424 | |
| 1425 | /* Stop the chip's Tx and Rx processes. */ |
| 1426 | tulip_stop_rxtx(tp); |
| 1427 | |
| 1428 | pci_set_master(pdev); |
| 1429 | |
| 1430 | #ifdef CONFIG_GSC |
| 1431 | if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP) { |
| 1432 | switch (pdev->subsystem_device) { |
| 1433 | default: |
| 1434 | break; |
| 1435 | case 0x1061: |
| 1436 | case 0x1062: |
| 1437 | case 0x1063: |
| 1438 | case 0x1098: |
| 1439 | case 0x1099: |
| 1440 | case 0x10EE: |
| 1441 | tp->flags |= HAS_SWAPPED_SEEPROM | NEEDS_FAKE_MEDIA_TABLE; |
| 1442 | chip_name = "GSC DS21140 Tulip"; |
| 1443 | } |
| 1444 | } |
| 1445 | #endif |
| 1446 | |
| 1447 | /* Clear the missed-packet counter. */ |
| 1448 | ioread32(ioaddr + CSR8); |
| 1449 | |
| 1450 | /* The station address ROM is read byte serially. The register must |
| 1451 | be polled, waiting for the value to be read bit serially from the |
| 1452 | EEPROM. |
| 1453 | */ |
| 1454 | ee_data = tp->eeprom; |
Grant Grundler | 209261c | 2008-03-23 23:23:10 -0600 | [diff] [blame] | 1455 | memset(ee_data, 0, sizeof(tp->eeprom)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1456 | sum = 0; |
| 1457 | if (chip_idx == LC82C168) { |
| 1458 | for (i = 0; i < 3; i++) { |
| 1459 | int value, boguscnt = 100000; |
| 1460 | iowrite32(0x600 | i, ioaddr + 0x98); |
Hannes Eder | ec1d1ebb | 2008-12-26 00:07:45 -0800 | [diff] [blame] | 1461 | do { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1462 | value = ioread32(ioaddr + CSR9); |
Hannes Eder | ec1d1ebb | 2008-12-26 00:07:45 -0800 | [diff] [blame] | 1463 | } while (value < 0 && --boguscnt > 0); |
Harvey Harrison | 6caf52a | 2008-04-29 01:03:36 -0700 | [diff] [blame] | 1464 | put_unaligned_le16(value, ((__le16 *)dev->dev_addr) + i); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1465 | sum += value & 0xffff; |
| 1466 | } |
| 1467 | } else if (chip_idx == COMET) { |
| 1468 | /* No need to read the EEPROM. */ |
Harvey Harrison | 6caf52a | 2008-04-29 01:03:36 -0700 | [diff] [blame] | 1469 | put_unaligned_le32(ioread32(ioaddr + 0xA4), dev->dev_addr); |
| 1470 | put_unaligned_le16(ioread32(ioaddr + 0xA8), dev->dev_addr + 4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1471 | for (i = 0; i < 6; i ++) |
| 1472 | sum += dev->dev_addr[i]; |
| 1473 | } else { |
| 1474 | /* A serial EEPROM interface, we read now and sort it out later. */ |
| 1475 | int sa_offset = 0; |
| 1476 | int ee_addr_size = tulip_read_eeprom(dev, 0xff, 8) & 0x40000 ? 8 : 6; |
Grant Grundler | 209261c | 2008-03-23 23:23:10 -0600 | [diff] [blame] | 1477 | int ee_max_addr = ((1 << ee_addr_size) - 1) * sizeof(u16); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1478 | |
Grant Grundler | 209261c | 2008-03-23 23:23:10 -0600 | [diff] [blame] | 1479 | if (ee_max_addr > sizeof(tp->eeprom)) |
| 1480 | ee_max_addr = sizeof(tp->eeprom); |
| 1481 | |
| 1482 | for (i = 0; i < ee_max_addr ; i += sizeof(u16)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1483 | u16 data = tulip_read_eeprom(dev, i/2, ee_addr_size); |
| 1484 | ee_data[i] = data & 0xff; |
| 1485 | ee_data[i + 1] = data >> 8; |
| 1486 | } |
| 1487 | |
| 1488 | /* DEC now has a specification (see Notes) but early board makers |
| 1489 | just put the address in the first EEPROM locations. */ |
| 1490 | /* This does memcmp(ee_data, ee_data+16, 8) */ |
| 1491 | for (i = 0; i < 8; i ++) |
| 1492 | if (ee_data[i] != ee_data[16+i]) |
| 1493 | sa_offset = 20; |
| 1494 | if (chip_idx == CONEXANT) { |
| 1495 | /* Check that the tuple type and length is correct. */ |
| 1496 | if (ee_data[0x198] == 0x04 && ee_data[0x199] == 6) |
| 1497 | sa_offset = 0x19A; |
| 1498 | } else if (ee_data[0] == 0xff && ee_data[1] == 0xff && |
| 1499 | ee_data[2] == 0) { |
| 1500 | sa_offset = 2; /* Grrr, damn Matrox boards. */ |
| 1501 | multiport_cnt = 4; |
| 1502 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1503 | #ifdef CONFIG_MIPS_COBALT |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 1504 | if ((pdev->bus->number == 0) && |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1505 | ((PCI_SLOT(pdev->devfn) == 7) || |
| 1506 | (PCI_SLOT(pdev->devfn) == 12))) { |
| 1507 | /* Cobalt MAC address in first EEPROM locations. */ |
| 1508 | sa_offset = 0; |
Ralf Baechle | 12755c1 | 2005-06-26 17:45:52 -0400 | [diff] [blame] | 1509 | /* Ensure our media table fixup get's applied */ |
| 1510 | memcpy(ee_data + 16, ee_data, 8); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1511 | } |
| 1512 | #endif |
| 1513 | #ifdef CONFIG_GSC |
| 1514 | /* Check to see if we have a broken srom */ |
| 1515 | if (ee_data[0] == 0x61 && ee_data[1] == 0x10) { |
| 1516 | /* pci_vendor_id and subsystem_id are swapped */ |
| 1517 | ee_data[0] = ee_data[2]; |
| 1518 | ee_data[1] = ee_data[3]; |
| 1519 | ee_data[2] = 0x61; |
| 1520 | ee_data[3] = 0x10; |
| 1521 | |
| 1522 | /* HSC-PCI boards need to be byte-swaped and shifted |
| 1523 | * up 1 word. This shift needs to happen at the end |
| 1524 | * of the MAC first because of the 2 byte overlap. |
| 1525 | */ |
| 1526 | for (i = 4; i >= 0; i -= 2) { |
| 1527 | ee_data[17 + i + 3] = ee_data[17 + i]; |
| 1528 | ee_data[16 + i + 5] = ee_data[16 + i]; |
| 1529 | } |
| 1530 | } |
| 1531 | #endif |
| 1532 | |
| 1533 | for (i = 0; i < 6; i ++) { |
| 1534 | dev->dev_addr[i] = ee_data[i + sa_offset]; |
| 1535 | sum += ee_data[i + sa_offset]; |
| 1536 | } |
| 1537 | } |
| 1538 | /* Lite-On boards have the address byte-swapped. */ |
| 1539 | if ((dev->dev_addr[0] == 0xA0 || dev->dev_addr[0] == 0xC0 || dev->dev_addr[0] == 0x02) |
| 1540 | && dev->dev_addr[1] == 0x00) |
| 1541 | for (i = 0; i < 6; i+=2) { |
| 1542 | char tmp = dev->dev_addr[i]; |
| 1543 | dev->dev_addr[i] = dev->dev_addr[i+1]; |
| 1544 | dev->dev_addr[i+1] = tmp; |
| 1545 | } |
| 1546 | /* On the Zynx 315 Etherarray and other multiport boards only the |
| 1547 | first Tulip has an EEPROM. |
| 1548 | On Sparc systems the mac address is held in the OBP property |
| 1549 | "local-mac-address". |
| 1550 | The addresses of the subsequent ports are derived from the first. |
| 1551 | Many PCI BIOSes also incorrectly report the IRQ line, so we correct |
| 1552 | that here as well. */ |
| 1553 | if (sum == 0 || sum == 6*0xff) { |
David S. Miller | 4934510 | 2007-03-29 01:39:44 -0700 | [diff] [blame] | 1554 | #if defined(CONFIG_SPARC) |
David S. Miller | d297c31 | 2007-03-29 01:41:28 -0700 | [diff] [blame] | 1555 | struct device_node *dp = pci_device_to_OF_node(pdev); |
| 1556 | const unsigned char *addr; |
| 1557 | int len; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1558 | #endif |
| 1559 | eeprom_missing = 1; |
| 1560 | for (i = 0; i < 5; i++) |
| 1561 | dev->dev_addr[i] = last_phys_addr[i]; |
| 1562 | dev->dev_addr[i] = last_phys_addr[i] + 1; |
David S. Miller | 4934510 | 2007-03-29 01:39:44 -0700 | [diff] [blame] | 1563 | #if defined(CONFIG_SPARC) |
David S. Miller | d297c31 | 2007-03-29 01:41:28 -0700 | [diff] [blame] | 1564 | addr = of_get_property(dp, "local-mac-address", &len); |
| 1565 | if (addr && len == 6) |
| 1566 | memcpy(dev->dev_addr, addr, 6); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1567 | #endif |
Christoph Dworzak | b9c4c60 | 2006-01-06 14:49:22 -0500 | [diff] [blame] | 1568 | #if defined(__i386__) || defined(__x86_64__) /* Patch up x86 BIOS bug. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1569 | if (last_irq) |
| 1570 | irq = last_irq; |
| 1571 | #endif |
| 1572 | } |
| 1573 | |
| 1574 | for (i = 0; i < 6; i++) |
| 1575 | last_phys_addr[i] = dev->dev_addr[i]; |
| 1576 | last_irq = irq; |
| 1577 | dev->irq = irq; |
| 1578 | |
| 1579 | /* The lower four bits are the media type. */ |
| 1580 | if (board_idx >= 0 && board_idx < MAX_UNITS) { |
| 1581 | if (options[board_idx] & MEDIA_MASK) |
| 1582 | tp->default_port = options[board_idx] & MEDIA_MASK; |
| 1583 | if ((options[board_idx] & FullDuplex) || full_duplex[board_idx] > 0) |
| 1584 | tp->full_duplex = 1; |
| 1585 | if (mtu[board_idx] > 0) |
| 1586 | dev->mtu = mtu[board_idx]; |
| 1587 | } |
| 1588 | if (dev->mem_start & MEDIA_MASK) |
| 1589 | tp->default_port = dev->mem_start & MEDIA_MASK; |
| 1590 | if (tp->default_port) { |
| 1591 | printk(KERN_INFO "tulip%d: Transceiver selection forced to %s.\n", |
| 1592 | board_idx, medianame[tp->default_port & MEDIA_MASK]); |
| 1593 | tp->medialock = 1; |
| 1594 | if (tulip_media_cap[tp->default_port] & MediaAlwaysFD) |
| 1595 | tp->full_duplex = 1; |
| 1596 | } |
| 1597 | if (tp->full_duplex) |
| 1598 | tp->full_duplex_lock = 1; |
| 1599 | |
| 1600 | if (tulip_media_cap[tp->default_port] & MediaIsMII) { |
| 1601 | u16 media2advert[] = { 0x20, 0x40, 0x03e0, 0x60, 0x80, 0x100, 0x200 }; |
| 1602 | tp->mii_advertise = media2advert[tp->default_port - 9]; |
| 1603 | tp->mii_advertise |= (tp->flags & HAS_8023X); /* Matching bits! */ |
| 1604 | } |
| 1605 | |
| 1606 | if (tp->flags & HAS_MEDIA_TABLE) { |
| 1607 | sprintf(dev->name, "tulip%d", board_idx); /* hack */ |
| 1608 | tulip_parse_eeprom(dev); |
| 1609 | strcpy(dev->name, "eth%d"); /* un-hack */ |
| 1610 | } |
| 1611 | |
| 1612 | if ((tp->flags & ALWAYS_CHECK_MII) || |
| 1613 | (tp->mtable && tp->mtable->has_mii) || |
| 1614 | ( ! tp->mtable && (tp->flags & HAS_MII))) { |
| 1615 | if (tp->mtable && tp->mtable->has_mii) { |
| 1616 | for (i = 0; i < tp->mtable->leafcount; i++) |
| 1617 | if (tp->mtable->mleaf[i].media == 11) { |
| 1618 | tp->cur_index = i; |
| 1619 | tp->saved_if_port = dev->if_port; |
| 1620 | tulip_select_media(dev, 2); |
| 1621 | dev->if_port = tp->saved_if_port; |
| 1622 | break; |
| 1623 | } |
| 1624 | } |
| 1625 | |
| 1626 | /* Find the connected MII xcvrs. |
| 1627 | Doing this in open() would allow detecting external xcvrs |
| 1628 | later, but takes much time. */ |
| 1629 | tulip_find_mii (dev, board_idx); |
| 1630 | } |
| 1631 | |
| 1632 | /* The Tulip-specific entries in the device structure. */ |
Stephen Hemminger | f4266cf | 2009-01-07 17:59:15 -0800 | [diff] [blame] | 1633 | dev->netdev_ops = &tulip_netdev_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1634 | dev->watchdog_timeo = TX_TIMEOUT; |
| 1635 | #ifdef CONFIG_TULIP_NAPI |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 1636 | netif_napi_add(dev, &tp->napi, tulip_poll, 16); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1637 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1638 | SET_ETHTOOL_OPS(dev, &ops); |
| 1639 | |
| 1640 | if (register_netdev(dev)) |
| 1641 | goto err_out_free_ring; |
| 1642 | |
Grant Grundler | c69f412 | 2006-09-08 11:15:35 -0700 | [diff] [blame] | 1643 | printk(KERN_INFO "%s: %s rev %d at " |
| 1644 | #ifdef CONFIG_TULIP_MMIO |
| 1645 | "MMIO" |
| 1646 | #else |
| 1647 | "Port" |
| 1648 | #endif |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 1649 | " %#llx,", dev->name, chip_name, pdev->revision, |
Grant Grundler | c69f412 | 2006-09-08 11:15:35 -0700 | [diff] [blame] | 1650 | (unsigned long long) pci_resource_start(pdev, TULIP_BAR)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1651 | pci_set_drvdata(pdev, dev); |
| 1652 | |
| 1653 | if (eeprom_missing) |
| 1654 | printk(" EEPROM not present,"); |
Johannes Berg | e174961 | 2008-10-27 15:59:26 -0700 | [diff] [blame] | 1655 | printk(" %pM", dev->dev_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1656 | printk(", IRQ %d.\n", irq); |
| 1657 | |
| 1658 | if (tp->chip_id == PNIC2) |
| 1659 | tp->link_change = pnic2_lnk_change; |
| 1660 | else if (tp->flags & HAS_NWAY) |
| 1661 | tp->link_change = t21142_lnk_change; |
| 1662 | else if (tp->flags & HAS_PNICNWAY) |
| 1663 | tp->link_change = pnic_lnk_change; |
| 1664 | |
| 1665 | /* Reset the xcvr interface and turn on heartbeat. */ |
| 1666 | switch (chip_idx) { |
| 1667 | case DC21140: |
| 1668 | case DM910X: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1669 | default: |
| 1670 | if (tp->mtable) |
| 1671 | iowrite32(tp->mtable->csr12dir | 0x100, ioaddr + CSR12); |
| 1672 | break; |
| 1673 | case DC21142: |
| 1674 | if (tp->mii_cnt || tulip_media_cap[dev->if_port] & MediaIsMII) { |
| 1675 | iowrite32(csr6_mask_defstate, ioaddr + CSR6); |
| 1676 | iowrite32(0x0000, ioaddr + CSR13); |
| 1677 | iowrite32(0x0000, ioaddr + CSR14); |
| 1678 | iowrite32(csr6_mask_hdcap, ioaddr + CSR6); |
| 1679 | } else |
| 1680 | t21142_start_nway(dev); |
| 1681 | break; |
| 1682 | case PNIC2: |
| 1683 | /* just do a reset for sanity sake */ |
| 1684 | iowrite32(0x0000, ioaddr + CSR13); |
| 1685 | iowrite32(0x0000, ioaddr + CSR14); |
| 1686 | break; |
| 1687 | case LC82C168: |
| 1688 | if ( ! tp->mii_cnt) { |
| 1689 | tp->nway = 1; |
| 1690 | tp->nwayset = 0; |
| 1691 | iowrite32(csr6_ttm | csr6_ca, ioaddr + CSR6); |
| 1692 | iowrite32(0x30, ioaddr + CSR12); |
| 1693 | iowrite32(0x0001F078, ioaddr + CSR6); |
| 1694 | iowrite32(0x0201F078, ioaddr + CSR6); /* Turn on autonegotiation. */ |
| 1695 | } |
| 1696 | break; |
| 1697 | case MX98713: |
| 1698 | case COMPEX9881: |
| 1699 | iowrite32(0x00000000, ioaddr + CSR6); |
| 1700 | iowrite32(0x000711C0, ioaddr + CSR14); /* Turn on NWay. */ |
| 1701 | iowrite32(0x00000001, ioaddr + CSR13); |
| 1702 | break; |
| 1703 | case MX98715: |
| 1704 | case MX98725: |
| 1705 | iowrite32(0x01a80000, ioaddr + CSR6); |
| 1706 | iowrite32(0xFFFFFFFF, ioaddr + CSR14); |
| 1707 | iowrite32(0x00001000, ioaddr + CSR12); |
| 1708 | break; |
| 1709 | case COMET: |
| 1710 | /* No initialization necessary. */ |
| 1711 | break; |
| 1712 | } |
| 1713 | |
| 1714 | /* put the chip in snooze mode until opened */ |
| 1715 | tulip_set_power_state (tp, 0, 1); |
| 1716 | |
| 1717 | return 0; |
| 1718 | |
| 1719 | err_out_free_ring: |
| 1720 | pci_free_consistent (pdev, |
| 1721 | sizeof (struct tulip_rx_desc) * RX_RING_SIZE + |
| 1722 | sizeof (struct tulip_tx_desc) * TX_RING_SIZE, |
| 1723 | tp->rx_ring, tp->rx_ring_dma); |
| 1724 | |
| 1725 | err_out_mtable: |
Jesper Juhl | b4558ea | 2005-10-28 16:53:13 -0400 | [diff] [blame] | 1726 | kfree (tp->mtable); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1727 | pci_iounmap(pdev, ioaddr); |
| 1728 | |
| 1729 | err_out_free_res: |
| 1730 | pci_release_regions (pdev); |
| 1731 | |
| 1732 | err_out_free_netdev: |
| 1733 | free_netdev (dev); |
| 1734 | return -ENODEV; |
| 1735 | } |
| 1736 | |
| 1737 | |
| 1738 | #ifdef CONFIG_PM |
| 1739 | |
| 1740 | static int tulip_suspend (struct pci_dev *pdev, pm_message_t state) |
| 1741 | { |
| 1742 | struct net_device *dev = pci_get_drvdata(pdev); |
| 1743 | |
Adam Belay | 1fe2cb3 | 2005-06-20 14:28:41 -0700 | [diff] [blame] | 1744 | if (!dev) |
| 1745 | return -EINVAL; |
| 1746 | |
Grant Grundler | 56997fa | 2008-05-12 00:37:51 -0600 | [diff] [blame] | 1747 | if (!netif_running(dev)) |
| 1748 | goto save_state; |
| 1749 | |
| 1750 | tulip_down(dev); |
Adam Belay | 1fe2cb3 | 2005-06-20 14:28:41 -0700 | [diff] [blame] | 1751 | |
| 1752 | netif_device_detach(dev); |
| 1753 | free_irq(dev->irq, dev); |
| 1754 | |
Grant Grundler | 56997fa | 2008-05-12 00:37:51 -0600 | [diff] [blame] | 1755 | save_state: |
Adam Belay | 1fe2cb3 | 2005-06-20 14:28:41 -0700 | [diff] [blame] | 1756 | pci_save_state(pdev); |
| 1757 | pci_disable_device(pdev); |
| 1758 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
| 1759 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1760 | return 0; |
| 1761 | } |
| 1762 | |
| 1763 | |
| 1764 | static int tulip_resume(struct pci_dev *pdev) |
| 1765 | { |
| 1766 | struct net_device *dev = pci_get_drvdata(pdev); |
Adam Belay | 1fe2cb3 | 2005-06-20 14:28:41 -0700 | [diff] [blame] | 1767 | int retval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1768 | |
Adam Belay | 1fe2cb3 | 2005-06-20 14:28:41 -0700 | [diff] [blame] | 1769 | if (!dev) |
| 1770 | return -EINVAL; |
| 1771 | |
| 1772 | pci_set_power_state(pdev, PCI_D0); |
| 1773 | pci_restore_state(pdev); |
| 1774 | |
Grant Grundler | 56997fa | 2008-05-12 00:37:51 -0600 | [diff] [blame] | 1775 | if (!netif_running(dev)) |
| 1776 | return 0; |
| 1777 | |
Valerie Henson | 9f486ae | 2006-09-08 11:15:41 -0700 | [diff] [blame] | 1778 | if ((retval = pci_enable_device(pdev))) { |
| 1779 | printk (KERN_ERR "tulip: pci_enable_device failed in resume\n"); |
| 1780 | return retval; |
| 1781 | } |
Adam Belay | 1fe2cb3 | 2005-06-20 14:28:41 -0700 | [diff] [blame] | 1782 | |
Thomas Gleixner | 1fb9df5 | 2006-07-01 19:29:39 -0700 | [diff] [blame] | 1783 | if ((retval = request_irq(dev->irq, &tulip_interrupt, IRQF_SHARED, dev->name, dev))) { |
Adam Belay | 1fe2cb3 | 2005-06-20 14:28:41 -0700 | [diff] [blame] | 1784 | printk (KERN_ERR "tulip: request_irq failed in resume\n"); |
| 1785 | return retval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1786 | } |
Adam Belay | 1fe2cb3 | 2005-06-20 14:28:41 -0700 | [diff] [blame] | 1787 | |
| 1788 | netif_device_attach(dev); |
| 1789 | |
| 1790 | if (netif_running(dev)) |
| 1791 | tulip_up(dev); |
| 1792 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1793 | return 0; |
| 1794 | } |
| 1795 | |
| 1796 | #endif /* CONFIG_PM */ |
| 1797 | |
| 1798 | |
| 1799 | static void __devexit tulip_remove_one (struct pci_dev *pdev) |
| 1800 | { |
| 1801 | struct net_device *dev = pci_get_drvdata (pdev); |
| 1802 | struct tulip_private *tp; |
| 1803 | |
| 1804 | if (!dev) |
| 1805 | return; |
| 1806 | |
| 1807 | tp = netdev_priv(dev); |
| 1808 | unregister_netdev(dev); |
| 1809 | pci_free_consistent (pdev, |
| 1810 | sizeof (struct tulip_rx_desc) * RX_RING_SIZE + |
| 1811 | sizeof (struct tulip_tx_desc) * TX_RING_SIZE, |
| 1812 | tp->rx_ring, tp->rx_ring_dma); |
Jesper Juhl | b4558ea | 2005-10-28 16:53:13 -0400 | [diff] [blame] | 1813 | kfree (tp->mtable); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1814 | pci_iounmap(pdev, tp->base_addr); |
| 1815 | free_netdev (dev); |
| 1816 | pci_release_regions (pdev); |
| 1817 | pci_set_drvdata (pdev, NULL); |
| 1818 | |
| 1819 | /* pci_power_off (pdev, -1); */ |
| 1820 | } |
| 1821 | |
| 1822 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 1823 | /* |
| 1824 | * Polling 'interrupt' - used by things like netconsole to send skbs |
| 1825 | * without having to re-enable interrupts. It's not called while |
| 1826 | * the interrupt routine is executing. |
| 1827 | */ |
| 1828 | |
| 1829 | static void poll_tulip (struct net_device *dev) |
| 1830 | { |
| 1831 | /* disable_irq here is not very nice, but with the lockless |
| 1832 | interrupt handler we have no other choice. */ |
| 1833 | disable_irq(dev->irq); |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 1834 | tulip_interrupt (dev->irq, dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1835 | enable_irq(dev->irq); |
| 1836 | } |
| 1837 | #endif |
| 1838 | |
| 1839 | static struct pci_driver tulip_driver = { |
| 1840 | .name = DRV_NAME, |
| 1841 | .id_table = tulip_pci_tbl, |
| 1842 | .probe = tulip_init_one, |
| 1843 | .remove = __devexit_p(tulip_remove_one), |
| 1844 | #ifdef CONFIG_PM |
| 1845 | .suspend = tulip_suspend, |
| 1846 | .resume = tulip_resume, |
| 1847 | #endif /* CONFIG_PM */ |
| 1848 | }; |
| 1849 | |
| 1850 | |
| 1851 | static int __init tulip_init (void) |
| 1852 | { |
| 1853 | #ifdef MODULE |
| 1854 | printk (KERN_INFO "%s", version); |
| 1855 | #endif |
| 1856 | |
| 1857 | /* copy module parms into globals */ |
| 1858 | tulip_rx_copybreak = rx_copybreak; |
| 1859 | tulip_max_interrupt_work = max_interrupt_work; |
| 1860 | |
| 1861 | /* probe for and init boards */ |
Jeff Garzik | 2991762 | 2006-08-19 17:48:59 -0400 | [diff] [blame] | 1862 | return pci_register_driver(&tulip_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1863 | } |
| 1864 | |
| 1865 | |
| 1866 | static void __exit tulip_cleanup (void) |
| 1867 | { |
| 1868 | pci_unregister_driver (&tulip_driver); |
| 1869 | } |
| 1870 | |
| 1871 | |
| 1872 | module_init(tulip_init); |
| 1873 | module_exit(tulip_cleanup); |