[BNX2]: speedup serdes linkup
[linux-2.6.git] / drivers / net / bnx2.c
1 /* bnx2.c: Broadcom NX2 network driver.
2  *
3  * Copyright (c) 2004, 2005 Broadcom Corporation
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation.
8  *
9  * Written by: Michael Chan  (mchan@broadcom.com)
10  */
11
12 #include "bnx2.h"
13 #include "bnx2_fw.h"
14
15 #define DRV_MODULE_NAME         "bnx2"
16 #define PFX DRV_MODULE_NAME     ": "
17 #define DRV_MODULE_VERSION      "1.2.19"
18 #define DRV_MODULE_RELDATE      "May 23, 2005"
19
20 #define RUN_AT(x) (jiffies + (x))
21
22 /* Time in jiffies before concluding the transmitter is hung. */
23 #define TX_TIMEOUT  (5*HZ)
24
25 static char version[] __devinitdata =
26         "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
27
28 MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
29 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706 Driver");
30 MODULE_LICENSE("GPL");
31 MODULE_VERSION(DRV_MODULE_VERSION);
32
33 static int disable_msi = 0;
34
35 module_param(disable_msi, int, 0);
36 MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
37
38 typedef enum {
39         BCM5706 = 0,
40         NC370T,
41         NC370I,
42         BCM5706S,
43         NC370F,
44 } board_t;
45
46 /* indexed by board_t, above */
47 static struct {
48         char *name;
49 } board_info[] __devinitdata = {
50         { "Broadcom NetXtreme II BCM5706 1000Base-T" },
51         { "HP NC370T Multifunction Gigabit Server Adapter" },
52         { "HP NC370i Multifunction Gigabit Server Adapter" },
53         { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
54         { "HP NC370F Multifunction Gigabit Server Adapter" },
55         };
56
57 static struct pci_device_id bnx2_pci_tbl[] = {
58         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
59           PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
60         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
61           PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
62         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
63           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
64         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
65           PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
66         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
67           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
68         { 0, }
69 };
70
71 static struct flash_spec flash_table[] =
72 {
73         /* Slow EEPROM */
74         {0x00000000, 0x40030380, 0x009f0081, 0xa184a053, 0xaf000400,
75          1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
76          SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
77          "EEPROM - slow"},
78         /* Fast EEPROM */
79         {0x02000000, 0x62008380, 0x009f0081, 0xa184a053, 0xaf000400,
80          1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
81          SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
82          "EEPROM - fast"},
83         /* ATMEL AT45DB011B (buffered flash) */
84         {0x02000003, 0x6e008173, 0x00570081, 0x68848353, 0xaf000400,
85          1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
86          BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
87          "Buffered flash"},
88         /* Saifun SA25F005 (non-buffered flash) */
89         /* strap, cfg1, & write1 need updates */
90         {0x01000003, 0x5f008081, 0x00050081, 0x03840253, 0xaf020406,
91          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
92          SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
93          "Non-buffered flash (64kB)"},
94         /* Saifun SA25F010 (non-buffered flash) */
95         /* strap, cfg1, & write1 need updates */
96         {0x00000001, 0x47008081, 0x00050081, 0x03840253, 0xaf020406,
97          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
98          SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
99          "Non-buffered flash (128kB)"},
100         /* Saifun SA25F020 (non-buffered flash) */
101         /* strap, cfg1, & write1 need updates */
102         {0x00000003, 0x4f008081, 0x00050081, 0x03840253, 0xaf020406,
103          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
104          SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
105          "Non-buffered flash (256kB)"},
106 };
107
108 MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
109
110 static u32
111 bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
112 {
113         REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
114         return (REG_RD(bp, BNX2_PCICFG_REG_WINDOW));
115 }
116
117 static void
118 bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
119 {
120         REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
121         REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
122 }
123
124 static void
125 bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
126 {
127         offset += cid_addr;
128         REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
129         REG_WR(bp, BNX2_CTX_DATA, val);
130 }
131
132 static int
133 bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
134 {
135         u32 val1;
136         int i, ret;
137
138         if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
139                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
140                 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
141
142                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
143                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
144
145                 udelay(40);
146         }
147
148         val1 = (bp->phy_addr << 21) | (reg << 16) |
149                 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
150                 BNX2_EMAC_MDIO_COMM_START_BUSY;
151         REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
152
153         for (i = 0; i < 50; i++) {
154                 udelay(10);
155
156                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
157                 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
158                         udelay(5);
159
160                         val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
161                         val1 &= BNX2_EMAC_MDIO_COMM_DATA;
162
163                         break;
164                 }
165         }
166
167         if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
168                 *val = 0x0;
169                 ret = -EBUSY;
170         }
171         else {
172                 *val = val1;
173                 ret = 0;
174         }
175
176         if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
177                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
178                 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
179
180                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
181                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
182
183                 udelay(40);
184         }
185
186         return ret;
187 }
188
189 static int
190 bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
191 {
192         u32 val1;
193         int i, ret;
194
195         if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
196                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
197                 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
198
199                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
200                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
201
202                 udelay(40);
203         }
204
205         val1 = (bp->phy_addr << 21) | (reg << 16) | val |
206                 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
207                 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
208         REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
209     
210         for (i = 0; i < 50; i++) {
211                 udelay(10);
212
213                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
214                 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
215                         udelay(5);
216                         break;
217                 }
218         }
219
220         if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
221                 ret = -EBUSY;
222         else
223                 ret = 0;
224
225         if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
226                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
227                 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
228
229                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
230                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
231
232                 udelay(40);
233         }
234
235         return ret;
236 }
237
238 static void
239 bnx2_disable_int(struct bnx2 *bp)
240 {
241         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
242                BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
243         REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
244 }
245
246 static void
247 bnx2_enable_int(struct bnx2 *bp)
248 {
249         u32 val;
250
251         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
252                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | bp->last_status_idx);
253
254         val = REG_RD(bp, BNX2_HC_COMMAND);
255         REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW);
256 }
257
258 static void
259 bnx2_disable_int_sync(struct bnx2 *bp)
260 {
261         atomic_inc(&bp->intr_sem);
262         bnx2_disable_int(bp);
263         synchronize_irq(bp->pdev->irq);
264 }
265
266 static void
267 bnx2_netif_stop(struct bnx2 *bp)
268 {
269         bnx2_disable_int_sync(bp);
270         if (netif_running(bp->dev)) {
271                 netif_poll_disable(bp->dev);
272                 netif_tx_disable(bp->dev);
273                 bp->dev->trans_start = jiffies; /* prevent tx timeout */
274         }
275 }
276
277 static void
278 bnx2_netif_start(struct bnx2 *bp)
279 {
280         if (atomic_dec_and_test(&bp->intr_sem)) {
281                 if (netif_running(bp->dev)) {
282                         netif_wake_queue(bp->dev);
283                         netif_poll_enable(bp->dev);
284                         bnx2_enable_int(bp);
285                 }
286         }
287 }
288
289 static void
290 bnx2_free_mem(struct bnx2 *bp)
291 {
292         if (bp->stats_blk) {
293                 pci_free_consistent(bp->pdev, sizeof(struct statistics_block),
294                                     bp->stats_blk, bp->stats_blk_mapping);
295                 bp->stats_blk = NULL;
296         }
297         if (bp->status_blk) {
298                 pci_free_consistent(bp->pdev, sizeof(struct status_block),
299                                     bp->status_blk, bp->status_blk_mapping);
300                 bp->status_blk = NULL;
301         }
302         if (bp->tx_desc_ring) {
303                 pci_free_consistent(bp->pdev,
304                                     sizeof(struct tx_bd) * TX_DESC_CNT,
305                                     bp->tx_desc_ring, bp->tx_desc_mapping);
306                 bp->tx_desc_ring = NULL;
307         }
308         if (bp->tx_buf_ring) {
309                 kfree(bp->tx_buf_ring);
310                 bp->tx_buf_ring = NULL;
311         }
312         if (bp->rx_desc_ring) {
313                 pci_free_consistent(bp->pdev,
314                                     sizeof(struct rx_bd) * RX_DESC_CNT,
315                                     bp->rx_desc_ring, bp->rx_desc_mapping);
316                 bp->rx_desc_ring = NULL;
317         }
318         if (bp->rx_buf_ring) {
319                 kfree(bp->rx_buf_ring);
320                 bp->rx_buf_ring = NULL;
321         }
322 }
323
324 static int
325 bnx2_alloc_mem(struct bnx2 *bp)
326 {
327         bp->tx_buf_ring = kmalloc(sizeof(struct sw_bd) * TX_DESC_CNT,
328                                      GFP_KERNEL);
329         if (bp->tx_buf_ring == NULL)
330                 return -ENOMEM;
331
332         memset(bp->tx_buf_ring, 0, sizeof(struct sw_bd) * TX_DESC_CNT);
333         bp->tx_desc_ring = pci_alloc_consistent(bp->pdev,
334                                                 sizeof(struct tx_bd) *
335                                                 TX_DESC_CNT,
336                                                 &bp->tx_desc_mapping);
337         if (bp->tx_desc_ring == NULL)
338                 goto alloc_mem_err;
339
340         bp->rx_buf_ring = kmalloc(sizeof(struct sw_bd) * RX_DESC_CNT,
341                                      GFP_KERNEL);
342         if (bp->rx_buf_ring == NULL)
343                 goto alloc_mem_err;
344
345         memset(bp->rx_buf_ring, 0, sizeof(struct sw_bd) * RX_DESC_CNT);
346         bp->rx_desc_ring = pci_alloc_consistent(bp->pdev,
347                                                 sizeof(struct rx_bd) *
348                                                 RX_DESC_CNT,
349                                                 &bp->rx_desc_mapping);
350         if (bp->rx_desc_ring == NULL)
351                 goto alloc_mem_err;
352
353         bp->status_blk = pci_alloc_consistent(bp->pdev,
354                                               sizeof(struct status_block),
355                                               &bp->status_blk_mapping);
356         if (bp->status_blk == NULL)
357                 goto alloc_mem_err;
358
359         memset(bp->status_blk, 0, sizeof(struct status_block));
360
361         bp->stats_blk = pci_alloc_consistent(bp->pdev,
362                                              sizeof(struct statistics_block),
363                                              &bp->stats_blk_mapping);
364         if (bp->stats_blk == NULL)
365                 goto alloc_mem_err;
366
367         memset(bp->stats_blk, 0, sizeof(struct statistics_block));
368
369         return 0;
370
371 alloc_mem_err:
372         bnx2_free_mem(bp);
373         return -ENOMEM;
374 }
375
376 static void
377 bnx2_report_link(struct bnx2 *bp)
378 {
379         if (bp->link_up) {
380                 netif_carrier_on(bp->dev);
381                 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
382
383                 printk("%d Mbps ", bp->line_speed);
384
385                 if (bp->duplex == DUPLEX_FULL)
386                         printk("full duplex");
387                 else
388                         printk("half duplex");
389
390                 if (bp->flow_ctrl) {
391                         if (bp->flow_ctrl & FLOW_CTRL_RX) {
392                                 printk(", receive ");
393                                 if (bp->flow_ctrl & FLOW_CTRL_TX)
394                                         printk("& transmit ");
395                         }
396                         else {
397                                 printk(", transmit ");
398                         }
399                         printk("flow control ON");
400                 }
401                 printk("\n");
402         }
403         else {
404                 netif_carrier_off(bp->dev);
405                 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
406         }
407 }
408
409 static void
410 bnx2_resolve_flow_ctrl(struct bnx2 *bp)
411 {
412         u32 local_adv, remote_adv;
413
414         bp->flow_ctrl = 0;
415         if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) != 
416                 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
417
418                 if (bp->duplex == DUPLEX_FULL) {
419                         bp->flow_ctrl = bp->req_flow_ctrl;
420                 }
421                 return;
422         }
423
424         if (bp->duplex != DUPLEX_FULL) {
425                 return;
426         }
427
428         bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
429         bnx2_read_phy(bp, MII_LPA, &remote_adv);
430
431         if (bp->phy_flags & PHY_SERDES_FLAG) {
432                 u32 new_local_adv = 0;
433                 u32 new_remote_adv = 0;
434
435                 if (local_adv & ADVERTISE_1000XPAUSE)
436                         new_local_adv |= ADVERTISE_PAUSE_CAP;
437                 if (local_adv & ADVERTISE_1000XPSE_ASYM)
438                         new_local_adv |= ADVERTISE_PAUSE_ASYM;
439                 if (remote_adv & ADVERTISE_1000XPAUSE)
440                         new_remote_adv |= ADVERTISE_PAUSE_CAP;
441                 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
442                         new_remote_adv |= ADVERTISE_PAUSE_ASYM;
443
444                 local_adv = new_local_adv;
445                 remote_adv = new_remote_adv;
446         }
447
448         /* See Table 28B-3 of 802.3ab-1999 spec. */
449         if (local_adv & ADVERTISE_PAUSE_CAP) {
450                 if(local_adv & ADVERTISE_PAUSE_ASYM) {
451                         if (remote_adv & ADVERTISE_PAUSE_CAP) {
452                                 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
453                         }
454                         else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
455                                 bp->flow_ctrl = FLOW_CTRL_RX;
456                         }
457                 }
458                 else {
459                         if (remote_adv & ADVERTISE_PAUSE_CAP) {
460                                 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
461                         }
462                 }
463         }
464         else if (local_adv & ADVERTISE_PAUSE_ASYM) {
465                 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
466                         (remote_adv & ADVERTISE_PAUSE_ASYM)) {
467
468                         bp->flow_ctrl = FLOW_CTRL_TX;
469                 }
470         }
471 }
472
473 static int
474 bnx2_serdes_linkup(struct bnx2 *bp)
475 {
476         u32 bmcr, local_adv, remote_adv, common;
477
478         bp->link_up = 1;
479         bp->line_speed = SPEED_1000;
480
481         bnx2_read_phy(bp, MII_BMCR, &bmcr);
482         if (bmcr & BMCR_FULLDPLX) {
483                 bp->duplex = DUPLEX_FULL;
484         }
485         else {
486                 bp->duplex = DUPLEX_HALF;
487         }
488
489         if (!(bmcr & BMCR_ANENABLE)) {
490                 return 0;
491         }
492
493         bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
494         bnx2_read_phy(bp, MII_LPA, &remote_adv);
495
496         common = local_adv & remote_adv;
497         if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
498
499                 if (common & ADVERTISE_1000XFULL) {
500                         bp->duplex = DUPLEX_FULL;
501                 }
502                 else {
503                         bp->duplex = DUPLEX_HALF;
504                 }
505         }
506
507         return 0;
508 }
509
510 static int
511 bnx2_copper_linkup(struct bnx2 *bp)
512 {
513         u32 bmcr;
514
515         bnx2_read_phy(bp, MII_BMCR, &bmcr);
516         if (bmcr & BMCR_ANENABLE) {
517                 u32 local_adv, remote_adv, common;
518
519                 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
520                 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
521
522                 common = local_adv & (remote_adv >> 2);
523                 if (common & ADVERTISE_1000FULL) {
524                         bp->line_speed = SPEED_1000;
525                         bp->duplex = DUPLEX_FULL;
526                 }
527                 else if (common & ADVERTISE_1000HALF) {
528                         bp->line_speed = SPEED_1000;
529                         bp->duplex = DUPLEX_HALF;
530                 }
531                 else {
532                         bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
533                         bnx2_read_phy(bp, MII_LPA, &remote_adv);
534
535                         common = local_adv & remote_adv;
536                         if (common & ADVERTISE_100FULL) {
537                                 bp->line_speed = SPEED_100;
538                                 bp->duplex = DUPLEX_FULL;
539                         }
540                         else if (common & ADVERTISE_100HALF) {
541                                 bp->line_speed = SPEED_100;
542                                 bp->duplex = DUPLEX_HALF;
543                         }
544                         else if (common & ADVERTISE_10FULL) {
545                                 bp->line_speed = SPEED_10;
546                                 bp->duplex = DUPLEX_FULL;
547                         }
548                         else if (common & ADVERTISE_10HALF) {
549                                 bp->line_speed = SPEED_10;
550                                 bp->duplex = DUPLEX_HALF;
551                         }
552                         else {
553                                 bp->line_speed = 0;
554                                 bp->link_up = 0;
555                         }
556                 }
557         }
558         else {
559                 if (bmcr & BMCR_SPEED100) {
560                         bp->line_speed = SPEED_100;
561                 }
562                 else {
563                         bp->line_speed = SPEED_10;
564                 }
565                 if (bmcr & BMCR_FULLDPLX) {
566                         bp->duplex = DUPLEX_FULL;
567                 }
568                 else {
569                         bp->duplex = DUPLEX_HALF;
570                 }
571         }
572
573         return 0;
574 }
575
576 static int
577 bnx2_set_mac_link(struct bnx2 *bp)
578 {
579         u32 val;
580
581         REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
582         if (bp->link_up && (bp->line_speed == SPEED_1000) &&
583                 (bp->duplex == DUPLEX_HALF)) {
584                 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
585         }
586
587         /* Configure the EMAC mode register. */
588         val = REG_RD(bp, BNX2_EMAC_MODE);
589
590         val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
591                 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK);
592
593         if (bp->link_up) {
594                 if (bp->line_speed != SPEED_1000)
595                         val |= BNX2_EMAC_MODE_PORT_MII;
596                 else
597                         val |= BNX2_EMAC_MODE_PORT_GMII;
598         }
599         else {
600                 val |= BNX2_EMAC_MODE_PORT_GMII;
601         }
602
603         /* Set the MAC to operate in the appropriate duplex mode. */
604         if (bp->duplex == DUPLEX_HALF)
605                 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
606         REG_WR(bp, BNX2_EMAC_MODE, val);
607
608         /* Enable/disable rx PAUSE. */
609         bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
610
611         if (bp->flow_ctrl & FLOW_CTRL_RX)
612                 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
613         REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
614
615         /* Enable/disable tx PAUSE. */
616         val = REG_RD(bp, BNX2_EMAC_TX_MODE);
617         val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
618
619         if (bp->flow_ctrl & FLOW_CTRL_TX)
620                 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
621         REG_WR(bp, BNX2_EMAC_TX_MODE, val);
622
623         /* Acknowledge the interrupt. */
624         REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
625
626         return 0;
627 }
628
629 static int
630 bnx2_set_link(struct bnx2 *bp)
631 {
632         u32 bmsr;
633         u8 link_up;
634
635         if (bp->loopback == MAC_LOOPBACK) {
636                 bp->link_up = 1;
637                 return 0;
638         }
639
640         link_up = bp->link_up;
641
642         bnx2_read_phy(bp, MII_BMSR, &bmsr);
643         bnx2_read_phy(bp, MII_BMSR, &bmsr);
644
645         if ((bp->phy_flags & PHY_SERDES_FLAG) &&
646             (CHIP_NUM(bp) == CHIP_NUM_5706)) {
647                 u32 val;
648
649                 val = REG_RD(bp, BNX2_EMAC_STATUS);
650                 if (val & BNX2_EMAC_STATUS_LINK)
651                         bmsr |= BMSR_LSTATUS;
652                 else
653                         bmsr &= ~BMSR_LSTATUS;
654         }
655
656         if (bmsr & BMSR_LSTATUS) {
657                 bp->link_up = 1;
658
659                 if (bp->phy_flags & PHY_SERDES_FLAG) {
660                         bnx2_serdes_linkup(bp);
661                 }
662                 else {
663                         bnx2_copper_linkup(bp);
664                 }
665                 bnx2_resolve_flow_ctrl(bp);
666         }
667         else {
668                 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
669                         (bp->autoneg & AUTONEG_SPEED)) {
670
671                         u32 bmcr;
672
673                         bnx2_read_phy(bp, MII_BMCR, &bmcr);
674                         if (!(bmcr & BMCR_ANENABLE)) {
675                                 bnx2_write_phy(bp, MII_BMCR, bmcr |
676                                         BMCR_ANENABLE);
677                         }
678                 }
679                 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
680                 bp->link_up = 0;
681         }
682
683         if (bp->link_up != link_up) {
684                 bnx2_report_link(bp);
685         }
686
687         bnx2_set_mac_link(bp);
688
689         return 0;
690 }
691
692 static int
693 bnx2_reset_phy(struct bnx2 *bp)
694 {
695         int i;
696         u32 reg;
697
698         bnx2_write_phy(bp, MII_BMCR, BMCR_RESET);
699
700 #define PHY_RESET_MAX_WAIT 100
701         for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
702                 udelay(10);
703
704                 bnx2_read_phy(bp, MII_BMCR, &reg);
705                 if (!(reg & BMCR_RESET)) {
706                         udelay(20);
707                         break;
708                 }
709         }
710         if (i == PHY_RESET_MAX_WAIT) {
711                 return -EBUSY;
712         }
713         return 0;
714 }
715
716 static u32
717 bnx2_phy_get_pause_adv(struct bnx2 *bp)
718 {
719         u32 adv = 0;
720
721         if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
722                 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
723
724                 if (bp->phy_flags & PHY_SERDES_FLAG) {
725                         adv = ADVERTISE_1000XPAUSE;
726                 }
727                 else {
728                         adv = ADVERTISE_PAUSE_CAP;
729                 }
730         }
731         else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
732                 if (bp->phy_flags & PHY_SERDES_FLAG) {
733                         adv = ADVERTISE_1000XPSE_ASYM;
734                 }
735                 else {
736                         adv = ADVERTISE_PAUSE_ASYM;
737                 }
738         }
739         else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
740                 if (bp->phy_flags & PHY_SERDES_FLAG) {
741                         adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
742                 }
743                 else {
744                         adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
745                 }
746         }
747         return adv;
748 }
749
750 static int
751 bnx2_setup_serdes_phy(struct bnx2 *bp)
752 {
753         u32 adv, bmcr;
754         u32 new_adv = 0;
755
756         if (!(bp->autoneg & AUTONEG_SPEED)) {
757                 u32 new_bmcr;
758
759                 bnx2_read_phy(bp, MII_BMCR, &bmcr);
760                 new_bmcr = bmcr & ~BMCR_ANENABLE;
761                 new_bmcr |= BMCR_SPEED1000;
762                 if (bp->req_duplex == DUPLEX_FULL) {
763                         new_bmcr |= BMCR_FULLDPLX;
764                 }
765                 else {
766                         new_bmcr &= ~BMCR_FULLDPLX;
767                 }
768                 if (new_bmcr != bmcr) {
769                         /* Force a link down visible on the other side */
770                         if (bp->link_up) {
771                                 bnx2_read_phy(bp, MII_ADVERTISE, &adv);
772                                 adv &= ~(ADVERTISE_1000XFULL |
773                                         ADVERTISE_1000XHALF);
774                                 bnx2_write_phy(bp, MII_ADVERTISE, adv);
775                                 bnx2_write_phy(bp, MII_BMCR, bmcr |
776                                         BMCR_ANRESTART | BMCR_ANENABLE);
777
778                                 bp->link_up = 0;
779                                 netif_carrier_off(bp->dev);
780                         }
781                         bnx2_write_phy(bp, MII_BMCR, new_bmcr);
782                 }
783                 return 0;
784         }
785
786         if (bp->advertising & ADVERTISED_1000baseT_Full)
787                 new_adv |= ADVERTISE_1000XFULL;
788
789         new_adv |= bnx2_phy_get_pause_adv(bp);
790
791         bnx2_read_phy(bp, MII_ADVERTISE, &adv);
792         bnx2_read_phy(bp, MII_BMCR, &bmcr);
793
794         bp->serdes_an_pending = 0;
795         if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
796                 /* Force a link down visible on the other side */
797                 if (bp->link_up) {
798                         int i;
799
800                         bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
801                         for (i = 0; i < 110; i++) {
802                                 udelay(100);
803                         }
804                 }
805
806                 bnx2_write_phy(bp, MII_ADVERTISE, new_adv);
807                 bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANRESTART |
808                         BMCR_ANENABLE);
809                 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
810                         /* Speed up link-up time when the link partner
811                          * does not autonegotiate which is very common
812                          * in blade servers. Some blade servers use
813                          * IPMI for kerboard input and it's important
814                          * to minimize link disruptions. Autoneg. involves
815                          * exchanging base pages plus 3 next pages and
816                          * normally completes in about 120 msec.
817                          */
818                         bp->current_interval = SERDES_AN_TIMEOUT;
819                         bp->serdes_an_pending = 1;
820                         mod_timer(&bp->timer, jiffies + bp->current_interval);
821                 }
822         }
823
824         return 0;
825 }
826
827 #define ETHTOOL_ALL_FIBRE_SPEED                                         \
828         (ADVERTISED_1000baseT_Full)
829
830 #define ETHTOOL_ALL_COPPER_SPEED                                        \
831         (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |            \
832         ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |           \
833         ADVERTISED_1000baseT_Full)
834
835 #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
836         ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
837         
838 #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
839
840 static int
841 bnx2_setup_copper_phy(struct bnx2 *bp)
842 {
843         u32 bmcr;
844         u32 new_bmcr;
845
846         bnx2_read_phy(bp, MII_BMCR, &bmcr);
847
848         if (bp->autoneg & AUTONEG_SPEED) {
849                 u32 adv_reg, adv1000_reg;
850                 u32 new_adv_reg = 0;
851                 u32 new_adv1000_reg = 0;
852
853                 bnx2_read_phy(bp, MII_ADVERTISE, &adv_reg);
854                 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
855                         ADVERTISE_PAUSE_ASYM);
856
857                 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
858                 adv1000_reg &= PHY_ALL_1000_SPEED;
859
860                 if (bp->advertising & ADVERTISED_10baseT_Half)
861                         new_adv_reg |= ADVERTISE_10HALF;
862                 if (bp->advertising & ADVERTISED_10baseT_Full)
863                         new_adv_reg |= ADVERTISE_10FULL;
864                 if (bp->advertising & ADVERTISED_100baseT_Half)
865                         new_adv_reg |= ADVERTISE_100HALF;
866                 if (bp->advertising & ADVERTISED_100baseT_Full)
867                         new_adv_reg |= ADVERTISE_100FULL;
868                 if (bp->advertising & ADVERTISED_1000baseT_Full)
869                         new_adv1000_reg |= ADVERTISE_1000FULL;
870                 
871                 new_adv_reg |= ADVERTISE_CSMA;
872
873                 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
874
875                 if ((adv1000_reg != new_adv1000_reg) ||
876                         (adv_reg != new_adv_reg) ||
877                         ((bmcr & BMCR_ANENABLE) == 0)) {
878
879                         bnx2_write_phy(bp, MII_ADVERTISE, new_adv_reg);
880                         bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
881                         bnx2_write_phy(bp, MII_BMCR, BMCR_ANRESTART |
882                                 BMCR_ANENABLE);
883                 }
884                 else if (bp->link_up) {
885                         /* Flow ctrl may have changed from auto to forced */
886                         /* or vice-versa. */
887
888                         bnx2_resolve_flow_ctrl(bp);
889                         bnx2_set_mac_link(bp);
890                 }
891                 return 0;
892         }
893
894         new_bmcr = 0;
895         if (bp->req_line_speed == SPEED_100) {
896                 new_bmcr |= BMCR_SPEED100;
897         }
898         if (bp->req_duplex == DUPLEX_FULL) {
899                 new_bmcr |= BMCR_FULLDPLX;
900         }
901         if (new_bmcr != bmcr) {
902                 u32 bmsr;
903                 int i = 0;
904
905                 bnx2_read_phy(bp, MII_BMSR, &bmsr);
906                 bnx2_read_phy(bp, MII_BMSR, &bmsr);
907                 
908                 if (bmsr & BMSR_LSTATUS) {
909                         /* Force link down */
910                         bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
911                         do {
912                                 udelay(100);
913                                 bnx2_read_phy(bp, MII_BMSR, &bmsr);
914                                 bnx2_read_phy(bp, MII_BMSR, &bmsr);
915                                 i++;
916                         } while ((bmsr & BMSR_LSTATUS) && (i < 620));
917                 }
918
919                 bnx2_write_phy(bp, MII_BMCR, new_bmcr);
920
921                 /* Normally, the new speed is setup after the link has
922                  * gone down and up again. In some cases, link will not go
923                  * down so we need to set up the new speed here.
924                  */
925                 if (bmsr & BMSR_LSTATUS) {
926                         bp->line_speed = bp->req_line_speed;
927                         bp->duplex = bp->req_duplex;
928                         bnx2_resolve_flow_ctrl(bp);
929                         bnx2_set_mac_link(bp);
930                 }
931         }
932         return 0;
933 }
934
935 static int
936 bnx2_setup_phy(struct bnx2 *bp)
937 {
938         if (bp->loopback == MAC_LOOPBACK)
939                 return 0;
940
941         if (bp->phy_flags & PHY_SERDES_FLAG) {
942                 return (bnx2_setup_serdes_phy(bp));
943         }
944         else {
945                 return (bnx2_setup_copper_phy(bp));
946         }
947 }
948
949 static int
950 bnx2_init_serdes_phy(struct bnx2 *bp)
951 {
952         bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
953
954         if (CHIP_NUM(bp) == CHIP_NUM_5706) {
955                 REG_WR(bp, BNX2_MISC_UNUSED0, 0x300);
956         }
957
958         if (bp->dev->mtu > 1500) {
959                 u32 val;
960
961                 /* Set extended packet length bit */
962                 bnx2_write_phy(bp, 0x18, 0x7);
963                 bnx2_read_phy(bp, 0x18, &val);
964                 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
965
966                 bnx2_write_phy(bp, 0x1c, 0x6c00);
967                 bnx2_read_phy(bp, 0x1c, &val);
968                 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
969         }
970         else {
971                 u32 val;
972
973                 bnx2_write_phy(bp, 0x18, 0x7);
974                 bnx2_read_phy(bp, 0x18, &val);
975                 bnx2_write_phy(bp, 0x18, val & ~0x4007);
976
977                 bnx2_write_phy(bp, 0x1c, 0x6c00);
978                 bnx2_read_phy(bp, 0x1c, &val);
979                 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
980         }
981
982         return 0;
983 }
984
985 static int
986 bnx2_init_copper_phy(struct bnx2 *bp)
987 {
988         bp->phy_flags |= PHY_CRC_FIX_FLAG;
989
990         if (bp->phy_flags & PHY_CRC_FIX_FLAG) {
991                 bnx2_write_phy(bp, 0x18, 0x0c00);
992                 bnx2_write_phy(bp, 0x17, 0x000a);
993                 bnx2_write_phy(bp, 0x15, 0x310b);
994                 bnx2_write_phy(bp, 0x17, 0x201f);
995                 bnx2_write_phy(bp, 0x15, 0x9506);
996                 bnx2_write_phy(bp, 0x17, 0x401f);
997                 bnx2_write_phy(bp, 0x15, 0x14e2);
998                 bnx2_write_phy(bp, 0x18, 0x0400);
999         }
1000
1001         if (bp->dev->mtu > 1500) {
1002                 u32 val;
1003
1004                 /* Set extended packet length bit */
1005                 bnx2_write_phy(bp, 0x18, 0x7);
1006                 bnx2_read_phy(bp, 0x18, &val);
1007                 bnx2_write_phy(bp, 0x18, val | 0x4000);
1008
1009                 bnx2_read_phy(bp, 0x10, &val);
1010                 bnx2_write_phy(bp, 0x10, val | 0x1);
1011         }
1012         else {
1013                 u32 val;
1014
1015                 bnx2_write_phy(bp, 0x18, 0x7);
1016                 bnx2_read_phy(bp, 0x18, &val);
1017                 bnx2_write_phy(bp, 0x18, val & ~0x4007);
1018
1019                 bnx2_read_phy(bp, 0x10, &val);
1020                 bnx2_write_phy(bp, 0x10, val & ~0x1);
1021         }
1022
1023         return 0;
1024 }
1025
1026
1027 static int
1028 bnx2_init_phy(struct bnx2 *bp)
1029 {
1030         u32 val;
1031         int rc = 0;
1032
1033         bp->phy_flags &= ~PHY_INT_MODE_MASK_FLAG;
1034         bp->phy_flags |= PHY_INT_MODE_LINK_READY_FLAG;
1035
1036         REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
1037
1038         bnx2_reset_phy(bp);
1039
1040         bnx2_read_phy(bp, MII_PHYSID1, &val);
1041         bp->phy_id = val << 16;
1042         bnx2_read_phy(bp, MII_PHYSID2, &val);
1043         bp->phy_id |= val & 0xffff;
1044
1045         if (bp->phy_flags & PHY_SERDES_FLAG) {
1046                 rc = bnx2_init_serdes_phy(bp);
1047         }
1048         else {
1049                 rc = bnx2_init_copper_phy(bp);
1050         }
1051
1052         bnx2_setup_phy(bp);
1053
1054         return rc;
1055 }
1056
1057 static int
1058 bnx2_set_mac_loopback(struct bnx2 *bp)
1059 {
1060         u32 mac_mode;
1061
1062         mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
1063         mac_mode &= ~BNX2_EMAC_MODE_PORT;
1064         mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
1065         REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
1066         bp->link_up = 1;
1067         return 0;
1068 }
1069
1070 static int
1071 bnx2_fw_sync(struct bnx2 *bp, u32 msg_data)
1072 {
1073         int i;
1074         u32 val;
1075
1076         if (bp->fw_timed_out)
1077                 return -EBUSY;
1078
1079         bp->fw_wr_seq++;
1080         msg_data |= bp->fw_wr_seq;
1081
1082         REG_WR_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_DRV_MB, msg_data);
1083
1084         /* wait for an acknowledgement. */
1085         for (i = 0; i < (FW_ACK_TIME_OUT_MS * 1000)/5; i++) {
1086                 udelay(5);
1087
1088                 val = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_FW_MB);
1089
1090                 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
1091                         break;
1092         }
1093
1094         /* If we timed out, inform the firmware that this is the case. */
1095         if (((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) &&
1096                 ((msg_data & BNX2_DRV_MSG_DATA) != BNX2_DRV_MSG_DATA_WAIT0)) {
1097
1098                 msg_data &= ~BNX2_DRV_MSG_CODE;
1099                 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
1100
1101                 REG_WR_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_DRV_MB, msg_data);
1102
1103                 bp->fw_timed_out = 1;
1104
1105                 return -EBUSY;
1106         }
1107
1108         return 0;
1109 }
1110
1111 static void
1112 bnx2_init_context(struct bnx2 *bp)
1113 {
1114         u32 vcid;
1115
1116         vcid = 96;
1117         while (vcid) {
1118                 u32 vcid_addr, pcid_addr, offset;
1119
1120                 vcid--;
1121
1122                 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
1123                         u32 new_vcid;
1124
1125                         vcid_addr = GET_PCID_ADDR(vcid);
1126                         if (vcid & 0x8) {
1127                                 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
1128                         }
1129                         else {
1130                                 new_vcid = vcid;
1131                         }
1132                         pcid_addr = GET_PCID_ADDR(new_vcid);
1133                 }
1134                 else {
1135                         vcid_addr = GET_CID_ADDR(vcid);
1136                         pcid_addr = vcid_addr;
1137                 }
1138
1139                 REG_WR(bp, BNX2_CTX_VIRT_ADDR, 0x00);
1140                 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
1141
1142                 /* Zero out the context. */
1143                 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4) {
1144                         CTX_WR(bp, 0x00, offset, 0);
1145                 }
1146
1147                 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
1148                 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
1149         }
1150 }
1151
1152 static int
1153 bnx2_alloc_bad_rbuf(struct bnx2 *bp)
1154 {
1155         u16 *good_mbuf;
1156         u32 good_mbuf_cnt;
1157         u32 val;
1158
1159         good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
1160         if (good_mbuf == NULL) {
1161                 printk(KERN_ERR PFX "Failed to allocate memory in "
1162                                     "bnx2_alloc_bad_rbuf\n");
1163                 return -ENOMEM;
1164         }
1165
1166         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
1167                 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
1168
1169         good_mbuf_cnt = 0;
1170
1171         /* Allocate a bunch of mbufs and save the good ones in an array. */
1172         val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
1173         while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
1174                 REG_WR_IND(bp, BNX2_RBUF_COMMAND, BNX2_RBUF_COMMAND_ALLOC_REQ);
1175
1176                 val = REG_RD_IND(bp, BNX2_RBUF_FW_BUF_ALLOC);
1177
1178                 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
1179
1180                 /* The addresses with Bit 9 set are bad memory blocks. */
1181                 if (!(val & (1 << 9))) {
1182                         good_mbuf[good_mbuf_cnt] = (u16) val;
1183                         good_mbuf_cnt++;
1184                 }
1185
1186                 val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
1187         }
1188
1189         /* Free the good ones back to the mbuf pool thus discarding
1190          * all the bad ones. */
1191         while (good_mbuf_cnt) {
1192                 good_mbuf_cnt--;
1193
1194                 val = good_mbuf[good_mbuf_cnt];
1195                 val = (val << 9) | val | 1;
1196
1197                 REG_WR_IND(bp, BNX2_RBUF_FW_BUF_FREE, val);
1198         }
1199         kfree(good_mbuf);
1200         return 0;
1201 }
1202
1203 static void
1204 bnx2_set_mac_addr(struct bnx2 *bp) 
1205 {
1206         u32 val;
1207         u8 *mac_addr = bp->dev->dev_addr;
1208
1209         val = (mac_addr[0] << 8) | mac_addr[1];
1210
1211         REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
1212
1213         val = (mac_addr[2] << 24) | (mac_addr[3] << 16) | 
1214                 (mac_addr[4] << 8) | mac_addr[5];
1215
1216         REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
1217 }
1218
1219 static inline int
1220 bnx2_alloc_rx_skb(struct bnx2 *bp, u16 index)
1221 {
1222         struct sk_buff *skb;
1223         struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
1224         dma_addr_t mapping;
1225         struct rx_bd *rxbd = &bp->rx_desc_ring[index];
1226         unsigned long align;
1227
1228         skb = dev_alloc_skb(bp->rx_buf_size);
1229         if (skb == NULL) {
1230                 return -ENOMEM;
1231         }
1232
1233         if (unlikely((align = (unsigned long) skb->data & 0x7))) {
1234                 skb_reserve(skb, 8 - align);
1235         }
1236
1237         skb->dev = bp->dev;
1238         mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
1239                 PCI_DMA_FROMDEVICE);
1240
1241         rx_buf->skb = skb;
1242         pci_unmap_addr_set(rx_buf, mapping, mapping);
1243
1244         rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
1245         rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
1246
1247         bp->rx_prod_bseq += bp->rx_buf_use_size;
1248
1249         return 0;
1250 }
1251
1252 static void
1253 bnx2_phy_int(struct bnx2 *bp)
1254 {
1255         u32 new_link_state, old_link_state;
1256
1257         new_link_state = bp->status_blk->status_attn_bits &
1258                 STATUS_ATTN_BITS_LINK_STATE;
1259         old_link_state = bp->status_blk->status_attn_bits_ack &
1260                 STATUS_ATTN_BITS_LINK_STATE;
1261         if (new_link_state != old_link_state) {
1262                 if (new_link_state) {
1263                         REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD,
1264                                 STATUS_ATTN_BITS_LINK_STATE);
1265                 }
1266                 else {
1267                         REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD,
1268                                 STATUS_ATTN_BITS_LINK_STATE);
1269                 }
1270                 bnx2_set_link(bp);
1271         }
1272 }
1273
1274 static void
1275 bnx2_tx_int(struct bnx2 *bp)
1276 {
1277         u16 hw_cons, sw_cons, sw_ring_cons;
1278         int tx_free_bd = 0;
1279
1280         hw_cons = bp->status_blk->status_tx_quick_consumer_index0;
1281         if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
1282                 hw_cons++;
1283         }
1284         sw_cons = bp->tx_cons;
1285
1286         while (sw_cons != hw_cons) {
1287                 struct sw_bd *tx_buf;
1288                 struct sk_buff *skb;
1289                 int i, last;
1290
1291                 sw_ring_cons = TX_RING_IDX(sw_cons);
1292
1293                 tx_buf = &bp->tx_buf_ring[sw_ring_cons];
1294                 skb = tx_buf->skb;
1295 #ifdef BCM_TSO 
1296                 /* partial BD completions possible with TSO packets */
1297                 if (skb_shinfo(skb)->tso_size) {
1298                         u16 last_idx, last_ring_idx;
1299
1300                         last_idx = sw_cons +
1301                                 skb_shinfo(skb)->nr_frags + 1;
1302                         last_ring_idx = sw_ring_cons +
1303                                 skb_shinfo(skb)->nr_frags + 1;
1304                         if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
1305                                 last_idx++;
1306                         }
1307                         if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
1308                                 break;
1309                         }
1310                 }
1311 #endif
1312                 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
1313                         skb_headlen(skb), PCI_DMA_TODEVICE);
1314
1315                 tx_buf->skb = NULL;
1316                 last = skb_shinfo(skb)->nr_frags;
1317
1318                 for (i = 0; i < last; i++) {
1319                         sw_cons = NEXT_TX_BD(sw_cons);
1320
1321                         pci_unmap_page(bp->pdev,
1322                                 pci_unmap_addr(
1323                                         &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
1324                                         mapping),
1325                                 skb_shinfo(skb)->frags[i].size,
1326                                 PCI_DMA_TODEVICE);
1327                 }
1328
1329                 sw_cons = NEXT_TX_BD(sw_cons);
1330
1331                 tx_free_bd += last + 1;
1332
1333                 dev_kfree_skb_irq(skb);
1334
1335                 hw_cons = bp->status_blk->status_tx_quick_consumer_index0;
1336                 if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
1337                         hw_cons++;
1338                 }
1339         }
1340
1341         atomic_add(tx_free_bd, &bp->tx_avail_bd);
1342
1343         if (unlikely(netif_queue_stopped(bp->dev))) {
1344                 unsigned long flags;
1345
1346                 spin_lock_irqsave(&bp->tx_lock, flags);
1347                 if ((netif_queue_stopped(bp->dev)) &&
1348                         (atomic_read(&bp->tx_avail_bd) > MAX_SKB_FRAGS)) {
1349
1350                         netif_wake_queue(bp->dev);
1351                 }
1352                 spin_unlock_irqrestore(&bp->tx_lock, flags);
1353         }
1354
1355         bp->tx_cons = sw_cons;
1356
1357 }
1358
1359 static inline void
1360 bnx2_reuse_rx_skb(struct bnx2 *bp, struct sk_buff *skb,
1361         u16 cons, u16 prod)
1362 {
1363         struct sw_bd *cons_rx_buf = &bp->rx_buf_ring[cons];
1364         struct sw_bd *prod_rx_buf = &bp->rx_buf_ring[prod];
1365         struct rx_bd *cons_bd = &bp->rx_desc_ring[cons];
1366         struct rx_bd *prod_bd = &bp->rx_desc_ring[prod];
1367
1368         pci_dma_sync_single_for_device(bp->pdev,
1369                 pci_unmap_addr(cons_rx_buf, mapping),
1370                 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
1371
1372         prod_rx_buf->skb = cons_rx_buf->skb;
1373         pci_unmap_addr_set(prod_rx_buf, mapping,
1374                         pci_unmap_addr(cons_rx_buf, mapping));
1375
1376         memcpy(prod_bd, cons_bd, 8);
1377
1378         bp->rx_prod_bseq += bp->rx_buf_use_size;
1379
1380 }
1381
1382 static int
1383 bnx2_rx_int(struct bnx2 *bp, int budget)
1384 {
1385         u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
1386         struct l2_fhdr *rx_hdr;
1387         int rx_pkt = 0;
1388
1389         hw_cons = bp->status_blk->status_rx_quick_consumer_index0;
1390         if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT) {
1391                 hw_cons++;
1392         }
1393         sw_cons = bp->rx_cons;
1394         sw_prod = bp->rx_prod;
1395
1396         /* Memory barrier necessary as speculative reads of the rx
1397          * buffer can be ahead of the index in the status block
1398          */
1399         rmb();
1400         while (sw_cons != hw_cons) {
1401                 unsigned int len;
1402                 u16 status;
1403                 struct sw_bd *rx_buf;
1404                 struct sk_buff *skb;
1405
1406                 sw_ring_cons = RX_RING_IDX(sw_cons);
1407                 sw_ring_prod = RX_RING_IDX(sw_prod);
1408
1409                 rx_buf = &bp->rx_buf_ring[sw_ring_cons];
1410                 skb = rx_buf->skb;
1411                 pci_dma_sync_single_for_cpu(bp->pdev,
1412                         pci_unmap_addr(rx_buf, mapping),
1413                         bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
1414
1415                 rx_hdr = (struct l2_fhdr *) skb->data;
1416                 len = rx_hdr->l2_fhdr_pkt_len - 4;
1417
1418                 if (rx_hdr->l2_fhdr_errors &
1419                         (L2_FHDR_ERRORS_BAD_CRC |
1420                         L2_FHDR_ERRORS_PHY_DECODE |
1421                         L2_FHDR_ERRORS_ALIGNMENT |
1422                         L2_FHDR_ERRORS_TOO_SHORT |
1423                         L2_FHDR_ERRORS_GIANT_FRAME)) {
1424
1425                         goto reuse_rx;
1426                 }
1427
1428                 /* Since we don't have a jumbo ring, copy small packets
1429                  * if mtu > 1500
1430                  */
1431                 if ((bp->dev->mtu > 1500) && (len <= RX_COPY_THRESH)) {
1432                         struct sk_buff *new_skb;
1433
1434                         new_skb = dev_alloc_skb(len + 2);
1435                         if (new_skb == NULL)
1436                                 goto reuse_rx;
1437
1438                         /* aligned copy */
1439                         memcpy(new_skb->data,
1440                                 skb->data + bp->rx_offset - 2,
1441                                 len + 2);
1442
1443                         skb_reserve(new_skb, 2);
1444                         skb_put(new_skb, len);
1445                         new_skb->dev = bp->dev;
1446
1447                         bnx2_reuse_rx_skb(bp, skb,
1448                                 sw_ring_cons, sw_ring_prod);
1449
1450                         skb = new_skb;
1451                 }
1452                 else if (bnx2_alloc_rx_skb(bp, sw_ring_prod) == 0) {
1453                         pci_unmap_single(bp->pdev,
1454                                 pci_unmap_addr(rx_buf, mapping),
1455                                 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1456
1457                         skb_reserve(skb, bp->rx_offset);
1458                         skb_put(skb, len);
1459                 }
1460                 else {
1461 reuse_rx:
1462                         bnx2_reuse_rx_skb(bp, skb,
1463                                 sw_ring_cons, sw_ring_prod);
1464                         goto next_rx;
1465                 }
1466
1467                 skb->protocol = eth_type_trans(skb, bp->dev);
1468
1469                 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
1470                         (htons(skb->protocol) != 0x8100)) {
1471
1472                         dev_kfree_skb_irq(skb);
1473                         goto next_rx;
1474
1475                 }
1476
1477                 status = rx_hdr->l2_fhdr_status;
1478                 skb->ip_summed = CHECKSUM_NONE;
1479                 if (bp->rx_csum &&
1480                         (status & (L2_FHDR_STATUS_TCP_SEGMENT |
1481                         L2_FHDR_STATUS_UDP_DATAGRAM))) {
1482
1483                         u16 cksum = rx_hdr->l2_fhdr_tcp_udp_xsum;
1484
1485                         if (cksum == 0xffff)
1486                                 skb->ip_summed = CHECKSUM_UNNECESSARY;
1487                 }
1488
1489 #ifdef BCM_VLAN
1490                 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && (bp->vlgrp != 0)) {
1491                         vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1492                                 rx_hdr->l2_fhdr_vlan_tag);
1493                 }
1494                 else
1495 #endif
1496                         netif_receive_skb(skb);
1497
1498                 bp->dev->last_rx = jiffies;
1499                 rx_pkt++;
1500
1501 next_rx:
1502                 rx_buf->skb = NULL;
1503
1504                 sw_cons = NEXT_RX_BD(sw_cons);
1505                 sw_prod = NEXT_RX_BD(sw_prod);
1506
1507                 if ((rx_pkt == budget))
1508                         break;
1509         }
1510         bp->rx_cons = sw_cons;
1511         bp->rx_prod = sw_prod;
1512
1513         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
1514
1515         REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
1516
1517         mmiowb();
1518
1519         return rx_pkt;
1520
1521 }
1522
1523 /* MSI ISR - The only difference between this and the INTx ISR
1524  * is that the MSI interrupt is always serviced.
1525  */
1526 static irqreturn_t
1527 bnx2_msi(int irq, void *dev_instance, struct pt_regs *regs)
1528 {
1529         struct net_device *dev = dev_instance;
1530         struct bnx2 *bp = dev->priv;
1531
1532         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1533                 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
1534                 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
1535
1536         /* Return here if interrupt is disabled. */
1537         if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1538                 return IRQ_RETVAL(1);
1539         }
1540
1541         if (netif_rx_schedule_prep(dev)) {
1542                 __netif_rx_schedule(dev);
1543         }
1544
1545         return IRQ_RETVAL(1);
1546 }
1547
1548 static irqreturn_t
1549 bnx2_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
1550 {
1551         struct net_device *dev = dev_instance;
1552         struct bnx2 *bp = dev->priv;
1553
1554         /* When using INTx, it is possible for the interrupt to arrive
1555          * at the CPU before the status block posted prior to the
1556          * interrupt. Reading a register will flush the status block.
1557          * When using MSI, the MSI message will always complete after
1558          * the status block write.
1559          */
1560         if ((bp->status_blk->status_idx == bp->last_status_idx) ||
1561             (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
1562              BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
1563                 return IRQ_RETVAL(0);
1564
1565         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1566                 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
1567                 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
1568
1569         /* Return here if interrupt is shared and is disabled. */
1570         if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1571                 return IRQ_RETVAL(1);
1572         }
1573
1574         if (netif_rx_schedule_prep(dev)) {
1575                 __netif_rx_schedule(dev);
1576         }
1577
1578         return IRQ_RETVAL(1);
1579 }
1580
1581 static int
1582 bnx2_poll(struct net_device *dev, int *budget)
1583 {
1584         struct bnx2 *bp = dev->priv;
1585         int rx_done = 1;
1586
1587         bp->last_status_idx = bp->status_blk->status_idx;
1588
1589         rmb();
1590         if ((bp->status_blk->status_attn_bits &
1591                 STATUS_ATTN_BITS_LINK_STATE) !=
1592                 (bp->status_blk->status_attn_bits_ack &
1593                 STATUS_ATTN_BITS_LINK_STATE)) {
1594
1595                 unsigned long flags;
1596
1597                 spin_lock_irqsave(&bp->phy_lock, flags);
1598                 bnx2_phy_int(bp);
1599                 spin_unlock_irqrestore(&bp->phy_lock, flags);
1600         }
1601
1602         if (bp->status_blk->status_tx_quick_consumer_index0 != bp->tx_cons) {
1603                 bnx2_tx_int(bp);
1604         }
1605
1606         if (bp->status_blk->status_rx_quick_consumer_index0 != bp->rx_cons) {
1607                 int orig_budget = *budget;
1608                 int work_done;
1609
1610                 if (orig_budget > dev->quota)
1611                         orig_budget = dev->quota;
1612                 
1613                 work_done = bnx2_rx_int(bp, orig_budget);
1614                 *budget -= work_done;
1615                 dev->quota -= work_done;
1616                 
1617                 if (work_done >= orig_budget) {
1618                         rx_done = 0;
1619                 }
1620         }
1621         
1622         if (rx_done) {
1623                 netif_rx_complete(dev);
1624                 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1625                         BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
1626                         bp->last_status_idx);
1627                 return 0;
1628         }
1629
1630         return 1;
1631 }
1632
1633 /* Called with rtnl_lock from vlan functions and also dev->xmit_lock
1634  * from set_multicast.
1635  */
1636 static void
1637 bnx2_set_rx_mode(struct net_device *dev)
1638 {
1639         struct bnx2 *bp = dev->priv;
1640         u32 rx_mode, sort_mode;
1641         int i;
1642         unsigned long flags;
1643
1644         spin_lock_irqsave(&bp->phy_lock, flags);
1645
1646         rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
1647                                   BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
1648         sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
1649 #ifdef BCM_VLAN
1650         if (!bp->vlgrp) {
1651                 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
1652         }
1653 #else
1654         rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
1655 #endif
1656         if (dev->flags & IFF_PROMISC) {
1657                 /* Promiscuous mode. */
1658                 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
1659                 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN;
1660         }
1661         else if (dev->flags & IFF_ALLMULTI) {
1662                 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
1663                         REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
1664                                0xffffffff);
1665                 }
1666                 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
1667         }
1668         else {
1669                 /* Accept one or more multicast(s). */
1670                 struct dev_mc_list *mclist;
1671                 u32 mc_filter[NUM_MC_HASH_REGISTERS];
1672                 u32 regidx;
1673                 u32 bit;
1674                 u32 crc;
1675
1676                 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
1677
1678                 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
1679                      i++, mclist = mclist->next) {
1680
1681                         crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
1682                         bit = crc & 0xff;
1683                         regidx = (bit & 0xe0) >> 5;
1684                         bit &= 0x1f;
1685                         mc_filter[regidx] |= (1 << bit);
1686                 }
1687
1688                 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
1689                         REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
1690                                mc_filter[i]);
1691                 }
1692
1693                 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
1694         }
1695
1696         if (rx_mode != bp->rx_mode) {
1697                 bp->rx_mode = rx_mode;
1698                 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
1699         }
1700
1701         REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
1702         REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
1703         REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
1704
1705         spin_unlock_irqrestore(&bp->phy_lock, flags);
1706 }
1707
1708 static void
1709 load_rv2p_fw(struct bnx2 *bp, u32 *rv2p_code, u32 rv2p_code_len,
1710         u32 rv2p_proc)
1711 {
1712         int i;
1713         u32 val;
1714
1715
1716         for (i = 0; i < rv2p_code_len; i += 8) {
1717                 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, *rv2p_code);
1718                 rv2p_code++;
1719                 REG_WR(bp, BNX2_RV2P_INSTR_LOW, *rv2p_code);
1720                 rv2p_code++;
1721
1722                 if (rv2p_proc == RV2P_PROC1) {
1723                         val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
1724                         REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
1725                 }
1726                 else {
1727                         val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
1728                         REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
1729                 }
1730         }
1731
1732         /* Reset the processor, un-stall is done later. */
1733         if (rv2p_proc == RV2P_PROC1) {
1734                 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
1735         }
1736         else {
1737                 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
1738         }
1739 }
1740
1741 static void
1742 load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
1743 {
1744         u32 offset;
1745         u32 val;
1746
1747         /* Halt the CPU. */
1748         val = REG_RD_IND(bp, cpu_reg->mode);
1749         val |= cpu_reg->mode_value_halt;
1750         REG_WR_IND(bp, cpu_reg->mode, val);
1751         REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
1752
1753         /* Load the Text area. */
1754         offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
1755         if (fw->text) {
1756                 int j;
1757
1758                 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
1759                         REG_WR_IND(bp, offset, fw->text[j]);
1760                 }
1761         }
1762
1763         /* Load the Data area. */
1764         offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
1765         if (fw->data) {
1766                 int j;
1767
1768                 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
1769                         REG_WR_IND(bp, offset, fw->data[j]);
1770                 }
1771         }
1772
1773         /* Load the SBSS area. */
1774         offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
1775         if (fw->sbss) {
1776                 int j;
1777
1778                 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
1779                         REG_WR_IND(bp, offset, fw->sbss[j]);
1780                 }
1781         }
1782
1783         /* Load the BSS area. */
1784         offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
1785         if (fw->bss) {
1786                 int j;
1787
1788                 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
1789                         REG_WR_IND(bp, offset, fw->bss[j]);
1790                 }
1791         }
1792
1793         /* Load the Read-Only area. */
1794         offset = cpu_reg->spad_base +
1795                 (fw->rodata_addr - cpu_reg->mips_view_base);
1796         if (fw->rodata) {
1797                 int j;
1798
1799                 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
1800                         REG_WR_IND(bp, offset, fw->rodata[j]);
1801                 }
1802         }
1803
1804         /* Clear the pre-fetch instruction. */
1805         REG_WR_IND(bp, cpu_reg->inst, 0);
1806         REG_WR_IND(bp, cpu_reg->pc, fw->start_addr);
1807
1808         /* Start the CPU. */
1809         val = REG_RD_IND(bp, cpu_reg->mode);
1810         val &= ~cpu_reg->mode_value_halt;
1811         REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
1812         REG_WR_IND(bp, cpu_reg->mode, val);
1813 }
1814
1815 static void
1816 bnx2_init_cpus(struct bnx2 *bp)
1817 {
1818         struct cpu_reg cpu_reg;
1819         struct fw_info fw;
1820
1821         /* Initialize the RV2P processor. */
1822         load_rv2p_fw(bp, bnx2_rv2p_proc1, sizeof(bnx2_rv2p_proc1), RV2P_PROC1);
1823         load_rv2p_fw(bp, bnx2_rv2p_proc2, sizeof(bnx2_rv2p_proc2), RV2P_PROC2);
1824
1825         /* Initialize the RX Processor. */
1826         cpu_reg.mode = BNX2_RXP_CPU_MODE;
1827         cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
1828         cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
1829         cpu_reg.state = BNX2_RXP_CPU_STATE;
1830         cpu_reg.state_value_clear = 0xffffff;
1831         cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
1832         cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
1833         cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
1834         cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
1835         cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
1836         cpu_reg.spad_base = BNX2_RXP_SCRATCH;
1837         cpu_reg.mips_view_base = 0x8000000;
1838     
1839         fw.ver_major = bnx2_RXP_b06FwReleaseMajor;
1840         fw.ver_minor = bnx2_RXP_b06FwReleaseMinor;
1841         fw.ver_fix = bnx2_RXP_b06FwReleaseFix;
1842         fw.start_addr = bnx2_RXP_b06FwStartAddr;
1843
1844         fw.text_addr = bnx2_RXP_b06FwTextAddr;
1845         fw.text_len = bnx2_RXP_b06FwTextLen;
1846         fw.text_index = 0;
1847         fw.text = bnx2_RXP_b06FwText;
1848
1849         fw.data_addr = bnx2_RXP_b06FwDataAddr;
1850         fw.data_len = bnx2_RXP_b06FwDataLen;
1851         fw.data_index = 0;
1852         fw.data = bnx2_RXP_b06FwData;
1853
1854         fw.sbss_addr = bnx2_RXP_b06FwSbssAddr;
1855         fw.sbss_len = bnx2_RXP_b06FwSbssLen;
1856         fw.sbss_index = 0;
1857         fw.sbss = bnx2_RXP_b06FwSbss;
1858
1859         fw.bss_addr = bnx2_RXP_b06FwBssAddr;
1860         fw.bss_len = bnx2_RXP_b06FwBssLen;
1861         fw.bss_index = 0;
1862         fw.bss = bnx2_RXP_b06FwBss;
1863
1864         fw.rodata_addr = bnx2_RXP_b06FwRodataAddr;
1865         fw.rodata_len = bnx2_RXP_b06FwRodataLen;
1866         fw.rodata_index = 0;
1867         fw.rodata = bnx2_RXP_b06FwRodata;
1868
1869         load_cpu_fw(bp, &cpu_reg, &fw);
1870
1871         /* Initialize the TX Processor. */
1872         cpu_reg.mode = BNX2_TXP_CPU_MODE;
1873         cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
1874         cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
1875         cpu_reg.state = BNX2_TXP_CPU_STATE;
1876         cpu_reg.state_value_clear = 0xffffff;
1877         cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
1878         cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
1879         cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
1880         cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
1881         cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
1882         cpu_reg.spad_base = BNX2_TXP_SCRATCH;
1883         cpu_reg.mips_view_base = 0x8000000;
1884     
1885         fw.ver_major = bnx2_TXP_b06FwReleaseMajor;
1886         fw.ver_minor = bnx2_TXP_b06FwReleaseMinor;
1887         fw.ver_fix = bnx2_TXP_b06FwReleaseFix;
1888         fw.start_addr = bnx2_TXP_b06FwStartAddr;
1889
1890         fw.text_addr = bnx2_TXP_b06FwTextAddr;
1891         fw.text_len = bnx2_TXP_b06FwTextLen;
1892         fw.text_index = 0;
1893         fw.text = bnx2_TXP_b06FwText;
1894
1895         fw.data_addr = bnx2_TXP_b06FwDataAddr;
1896         fw.data_len = bnx2_TXP_b06FwDataLen;
1897         fw.data_index = 0;
1898         fw.data = bnx2_TXP_b06FwData;
1899
1900         fw.sbss_addr = bnx2_TXP_b06FwSbssAddr;
1901         fw.sbss_len = bnx2_TXP_b06FwSbssLen;
1902         fw.sbss_index = 0;
1903         fw.sbss = bnx2_TXP_b06FwSbss;
1904
1905         fw.bss_addr = bnx2_TXP_b06FwBssAddr;
1906         fw.bss_len = bnx2_TXP_b06FwBssLen;
1907         fw.bss_index = 0;
1908         fw.bss = bnx2_TXP_b06FwBss;
1909
1910         fw.rodata_addr = bnx2_TXP_b06FwRodataAddr;
1911         fw.rodata_len = bnx2_TXP_b06FwRodataLen;
1912         fw.rodata_index = 0;
1913         fw.rodata = bnx2_TXP_b06FwRodata;
1914
1915         load_cpu_fw(bp, &cpu_reg, &fw);
1916
1917         /* Initialize the TX Patch-up Processor. */
1918         cpu_reg.mode = BNX2_TPAT_CPU_MODE;
1919         cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
1920         cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
1921         cpu_reg.state = BNX2_TPAT_CPU_STATE;
1922         cpu_reg.state_value_clear = 0xffffff;
1923         cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
1924         cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
1925         cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
1926         cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
1927         cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
1928         cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
1929         cpu_reg.mips_view_base = 0x8000000;
1930     
1931         fw.ver_major = bnx2_TPAT_b06FwReleaseMajor;
1932         fw.ver_minor = bnx2_TPAT_b06FwReleaseMinor;
1933         fw.ver_fix = bnx2_TPAT_b06FwReleaseFix;
1934         fw.start_addr = bnx2_TPAT_b06FwStartAddr;
1935
1936         fw.text_addr = bnx2_TPAT_b06FwTextAddr;
1937         fw.text_len = bnx2_TPAT_b06FwTextLen;
1938         fw.text_index = 0;
1939         fw.text = bnx2_TPAT_b06FwText;
1940
1941         fw.data_addr = bnx2_TPAT_b06FwDataAddr;
1942         fw.data_len = bnx2_TPAT_b06FwDataLen;
1943         fw.data_index = 0;
1944         fw.data = bnx2_TPAT_b06FwData;
1945
1946         fw.sbss_addr = bnx2_TPAT_b06FwSbssAddr;
1947         fw.sbss_len = bnx2_TPAT_b06FwSbssLen;
1948         fw.sbss_index = 0;
1949         fw.sbss = bnx2_TPAT_b06FwSbss;
1950
1951         fw.bss_addr = bnx2_TPAT_b06FwBssAddr;
1952         fw.bss_len = bnx2_TPAT_b06FwBssLen;
1953         fw.bss_index = 0;
1954         fw.bss = bnx2_TPAT_b06FwBss;
1955
1956         fw.rodata_addr = bnx2_TPAT_b06FwRodataAddr;
1957         fw.rodata_len = bnx2_TPAT_b06FwRodataLen;
1958         fw.rodata_index = 0;
1959         fw.rodata = bnx2_TPAT_b06FwRodata;
1960
1961         load_cpu_fw(bp, &cpu_reg, &fw);
1962
1963         /* Initialize the Completion Processor. */
1964         cpu_reg.mode = BNX2_COM_CPU_MODE;
1965         cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
1966         cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
1967         cpu_reg.state = BNX2_COM_CPU_STATE;
1968         cpu_reg.state_value_clear = 0xffffff;
1969         cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
1970         cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
1971         cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
1972         cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
1973         cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
1974         cpu_reg.spad_base = BNX2_COM_SCRATCH;
1975         cpu_reg.mips_view_base = 0x8000000;
1976     
1977         fw.ver_major = bnx2_COM_b06FwReleaseMajor;
1978         fw.ver_minor = bnx2_COM_b06FwReleaseMinor;
1979         fw.ver_fix = bnx2_COM_b06FwReleaseFix;
1980         fw.start_addr = bnx2_COM_b06FwStartAddr;
1981
1982         fw.text_addr = bnx2_COM_b06FwTextAddr;
1983         fw.text_len = bnx2_COM_b06FwTextLen;
1984         fw.text_index = 0;
1985         fw.text = bnx2_COM_b06FwText;
1986
1987         fw.data_addr = bnx2_COM_b06FwDataAddr;
1988         fw.data_len = bnx2_COM_b06FwDataLen;
1989         fw.data_index = 0;
1990         fw.data = bnx2_COM_b06FwData;
1991
1992         fw.sbss_addr = bnx2_COM_b06FwSbssAddr;
1993         fw.sbss_len = bnx2_COM_b06FwSbssLen;
1994         fw.sbss_index = 0;
1995         fw.sbss = bnx2_COM_b06FwSbss;
1996
1997         fw.bss_addr = bnx2_COM_b06FwBssAddr;
1998         fw.bss_len = bnx2_COM_b06FwBssLen;
1999         fw.bss_index = 0;
2000         fw.bss = bnx2_COM_b06FwBss;
2001
2002         fw.rodata_addr = bnx2_COM_b06FwRodataAddr;
2003         fw.rodata_len = bnx2_COM_b06FwRodataLen;
2004         fw.rodata_index = 0;
2005         fw.rodata = bnx2_COM_b06FwRodata;
2006
2007         load_cpu_fw(bp, &cpu_reg, &fw);
2008
2009 }
2010
2011 static int
2012 bnx2_set_power_state(struct bnx2 *bp, int state)
2013 {
2014         u16 pmcsr;
2015
2016         pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
2017
2018         switch (state) {
2019         case 0: {
2020                 u32 val;
2021
2022                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
2023                         (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
2024                         PCI_PM_CTRL_PME_STATUS);
2025
2026                 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
2027                         /* delay required during transition out of D3hot */
2028                         msleep(20);
2029
2030                 val = REG_RD(bp, BNX2_EMAC_MODE);
2031                 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
2032                 val &= ~BNX2_EMAC_MODE_MPKT;
2033                 REG_WR(bp, BNX2_EMAC_MODE, val);
2034
2035                 val = REG_RD(bp, BNX2_RPM_CONFIG);
2036                 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
2037                 REG_WR(bp, BNX2_RPM_CONFIG, val);
2038                 break;
2039         }
2040         case 3: {
2041                 int i;
2042                 u32 val, wol_msg;
2043
2044                 if (bp->wol) {
2045                         u32 advertising;
2046                         u8 autoneg;
2047
2048                         autoneg = bp->autoneg;
2049                         advertising = bp->advertising;
2050
2051                         bp->autoneg = AUTONEG_SPEED;
2052                         bp->advertising = ADVERTISED_10baseT_Half |
2053                                 ADVERTISED_10baseT_Full |
2054                                 ADVERTISED_100baseT_Half |
2055                                 ADVERTISED_100baseT_Full |
2056                                 ADVERTISED_Autoneg;
2057
2058                         bnx2_setup_copper_phy(bp);
2059
2060                         bp->autoneg = autoneg;
2061                         bp->advertising = advertising;
2062
2063                         bnx2_set_mac_addr(bp);
2064
2065                         val = REG_RD(bp, BNX2_EMAC_MODE);
2066
2067                         /* Enable port mode. */
2068                         val &= ~BNX2_EMAC_MODE_PORT;
2069                         val |= BNX2_EMAC_MODE_PORT_MII |
2070                                BNX2_EMAC_MODE_MPKT_RCVD |
2071                                BNX2_EMAC_MODE_ACPI_RCVD |
2072                                BNX2_EMAC_MODE_FORCE_LINK |
2073                                BNX2_EMAC_MODE_MPKT;
2074
2075                         REG_WR(bp, BNX2_EMAC_MODE, val);
2076
2077                         /* receive all multicast */
2078                         for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
2079                                 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
2080                                        0xffffffff);
2081                         }
2082                         REG_WR(bp, BNX2_EMAC_RX_MODE,
2083                                BNX2_EMAC_RX_MODE_SORT_MODE);
2084
2085                         val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
2086                               BNX2_RPM_SORT_USER0_MC_EN;
2087                         REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
2088                         REG_WR(bp, BNX2_RPM_SORT_USER0, val);
2089                         REG_WR(bp, BNX2_RPM_SORT_USER0, val |
2090                                BNX2_RPM_SORT_USER0_ENA);
2091
2092                         /* Need to enable EMAC and RPM for WOL. */
2093                         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2094                                BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
2095                                BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
2096                                BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
2097
2098                         val = REG_RD(bp, BNX2_RPM_CONFIG);
2099                         val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
2100                         REG_WR(bp, BNX2_RPM_CONFIG, val);
2101
2102                         wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
2103                 }
2104                 else {
2105                         wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
2106                 }
2107
2108                 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg);
2109
2110                 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
2111                 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
2112                     (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
2113
2114                         if (bp->wol)
2115                                 pmcsr |= 3;
2116                 }
2117                 else {
2118                         pmcsr |= 3;
2119                 }
2120                 if (bp->wol) {
2121                         pmcsr |= PCI_PM_CTRL_PME_ENABLE;
2122                 }
2123                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
2124                                       pmcsr);
2125
2126                 /* No more memory access after this point until
2127                  * device is brought back to D0.
2128                  */
2129                 udelay(50);
2130                 break;
2131         }
2132         default:
2133                 return -EINVAL;
2134         }
2135         return 0;
2136 }
2137
2138 static int
2139 bnx2_acquire_nvram_lock(struct bnx2 *bp)
2140 {
2141         u32 val;
2142         int j;
2143
2144         /* Request access to the flash interface. */
2145         REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
2146         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2147                 val = REG_RD(bp, BNX2_NVM_SW_ARB);
2148                 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
2149                         break;
2150
2151                 udelay(5);
2152         }
2153
2154         if (j >= NVRAM_TIMEOUT_COUNT)
2155                 return -EBUSY;
2156
2157         return 0;
2158 }
2159
2160 static int
2161 bnx2_release_nvram_lock(struct bnx2 *bp)
2162 {
2163         int j;
2164         u32 val;
2165
2166         /* Relinquish nvram interface. */
2167         REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
2168
2169         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2170                 val = REG_RD(bp, BNX2_NVM_SW_ARB);
2171                 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
2172                         break;
2173
2174                 udelay(5);
2175         }
2176
2177         if (j >= NVRAM_TIMEOUT_COUNT)
2178                 return -EBUSY;
2179
2180         return 0;
2181 }
2182
2183
2184 static int
2185 bnx2_enable_nvram_write(struct bnx2 *bp)
2186 {
2187         u32 val;
2188
2189         val = REG_RD(bp, BNX2_MISC_CFG);
2190         REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
2191
2192         if (!bp->flash_info->buffered) {
2193                 int j;
2194
2195                 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2196                 REG_WR(bp, BNX2_NVM_COMMAND,
2197                        BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
2198
2199                 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2200                         udelay(5);
2201
2202                         val = REG_RD(bp, BNX2_NVM_COMMAND);
2203                         if (val & BNX2_NVM_COMMAND_DONE)
2204                                 break;
2205                 }
2206
2207                 if (j >= NVRAM_TIMEOUT_COUNT)
2208                         return -EBUSY;
2209         }
2210         return 0;
2211 }
2212
2213 static void
2214 bnx2_disable_nvram_write(struct bnx2 *bp)
2215 {
2216         u32 val;
2217
2218         val = REG_RD(bp, BNX2_MISC_CFG);
2219         REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
2220 }
2221
2222
2223 static void
2224 bnx2_enable_nvram_access(struct bnx2 *bp)
2225 {
2226         u32 val;
2227
2228         val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
2229         /* Enable both bits, even on read. */
2230         REG_WR(bp, BNX2_NVM_ACCESS_ENABLE, 
2231                val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
2232 }
2233
2234 static void
2235 bnx2_disable_nvram_access(struct bnx2 *bp)
2236 {
2237         u32 val;
2238
2239         val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
2240         /* Disable both bits, even after read. */
2241         REG_WR(bp, BNX2_NVM_ACCESS_ENABLE, 
2242                 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
2243                         BNX2_NVM_ACCESS_ENABLE_WR_EN));
2244 }
2245
2246 static int
2247 bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
2248 {
2249         u32 cmd;
2250         int j;
2251
2252         if (bp->flash_info->buffered)
2253                 /* Buffered flash, no erase needed */
2254                 return 0;
2255
2256         /* Build an erase command */
2257         cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
2258               BNX2_NVM_COMMAND_DOIT;
2259
2260         /* Need to clear DONE bit separately. */
2261         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2262
2263         /* Address of the NVRAM to read from. */
2264         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2265
2266         /* Issue an erase command. */
2267         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2268
2269         /* Wait for completion. */
2270         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2271                 u32 val;
2272
2273                 udelay(5);
2274
2275                 val = REG_RD(bp, BNX2_NVM_COMMAND);
2276                 if (val & BNX2_NVM_COMMAND_DONE)
2277                         break;
2278         }
2279
2280         if (j >= NVRAM_TIMEOUT_COUNT)
2281                 return -EBUSY;
2282
2283         return 0;
2284 }
2285
2286 static int
2287 bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
2288 {
2289         u32 cmd;
2290         int j;
2291
2292         /* Build the command word. */
2293         cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
2294
2295         /* Calculate an offset of a buffered flash. */
2296         if (bp->flash_info->buffered) {
2297                 offset = ((offset / bp->flash_info->page_size) <<
2298                            bp->flash_info->page_bits) +
2299                           (offset % bp->flash_info->page_size);
2300         }
2301
2302         /* Need to clear DONE bit separately. */
2303         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2304
2305         /* Address of the NVRAM to read from. */
2306         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2307
2308         /* Issue a read command. */
2309         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2310
2311         /* Wait for completion. */
2312         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2313                 u32 val;
2314
2315                 udelay(5);
2316
2317                 val = REG_RD(bp, BNX2_NVM_COMMAND);
2318                 if (val & BNX2_NVM_COMMAND_DONE) {
2319                         val = REG_RD(bp, BNX2_NVM_READ);
2320
2321                         val = be32_to_cpu(val);
2322                         memcpy(ret_val, &val, 4);
2323                         break;
2324                 }
2325         }
2326         if (j >= NVRAM_TIMEOUT_COUNT)
2327                 return -EBUSY;
2328
2329         return 0;
2330 }
2331
2332
2333 static int
2334 bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
2335 {
2336         u32 cmd, val32;
2337         int j;
2338
2339         /* Build the command word. */
2340         cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
2341
2342         /* Calculate an offset of a buffered flash. */
2343         if (bp->flash_info->buffered) {
2344                 offset = ((offset / bp->flash_info->page_size) <<
2345                           bp->flash_info->page_bits) +
2346                          (offset % bp->flash_info->page_size);
2347         }
2348
2349         /* Need to clear DONE bit separately. */
2350         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2351
2352         memcpy(&val32, val, 4);
2353         val32 = cpu_to_be32(val32);
2354
2355         /* Write the data. */
2356         REG_WR(bp, BNX2_NVM_WRITE, val32);
2357
2358         /* Address of the NVRAM to write to. */
2359         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2360
2361         /* Issue the write command. */
2362         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2363
2364         /* Wait for completion. */
2365         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2366                 udelay(5);
2367
2368                 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
2369                         break;
2370         }
2371         if (j >= NVRAM_TIMEOUT_COUNT)
2372                 return -EBUSY;
2373
2374         return 0;
2375 }
2376
2377 static int
2378 bnx2_init_nvram(struct bnx2 *bp)
2379 {
2380         u32 val;
2381         int j, entry_count, rc;
2382         struct flash_spec *flash;
2383
2384         /* Determine the selected interface. */
2385         val = REG_RD(bp, BNX2_NVM_CFG1);
2386
2387         entry_count = sizeof(flash_table) / sizeof(struct flash_spec);
2388
2389         rc = 0;
2390         if (val & 0x40000000) {
2391
2392                 /* Flash interface has been reconfigured */
2393                 for (j = 0, flash = &flash_table[0]; j < entry_count;
2394                         j++, flash++) {
2395
2396                         if (val == flash->config1) {
2397                                 bp->flash_info = flash;
2398                                 break;
2399                         }
2400                 }
2401         }
2402         else {
2403                 /* Not yet been reconfigured */
2404
2405                 for (j = 0, flash = &flash_table[0]; j < entry_count;
2406                         j++, flash++) {
2407
2408                         if ((val & FLASH_STRAP_MASK) == flash->strapping) {
2409                                 bp->flash_info = flash;
2410
2411                                 /* Request access to the flash interface. */
2412                                 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2413                                         return rc;
2414
2415                                 /* Enable access to flash interface */
2416                                 bnx2_enable_nvram_access(bp);
2417
2418                                 /* Reconfigure the flash interface */
2419                                 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
2420                                 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
2421                                 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
2422                                 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
2423
2424                                 /* Disable access to flash interface */
2425                                 bnx2_disable_nvram_access(bp);
2426                                 bnx2_release_nvram_lock(bp);
2427
2428                                 break;
2429                         }
2430                 }
2431         } /* if (val & 0x40000000) */
2432
2433         if (j == entry_count) {
2434                 bp->flash_info = NULL;
2435                 printk(KERN_ALERT "Unknown flash/EEPROM type.\n");
2436                 rc = -ENODEV;
2437         }
2438
2439         return rc;
2440 }
2441
2442 static int
2443 bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
2444                 int buf_size)
2445 {
2446         int rc = 0;
2447         u32 cmd_flags, offset32, len32, extra;
2448
2449         if (buf_size == 0)
2450                 return 0;
2451
2452         /* Request access to the flash interface. */
2453         if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2454                 return rc;
2455
2456         /* Enable access to flash interface */
2457         bnx2_enable_nvram_access(bp);
2458
2459         len32 = buf_size;
2460         offset32 = offset;
2461         extra = 0;
2462
2463         cmd_flags = 0;
2464
2465         if (offset32 & 3) {
2466                 u8 buf[4];
2467                 u32 pre_len;
2468
2469                 offset32 &= ~3;
2470                 pre_len = 4 - (offset & 3);
2471
2472                 if (pre_len >= len32) {
2473                         pre_len = len32;
2474                         cmd_flags = BNX2_NVM_COMMAND_FIRST |
2475                                     BNX2_NVM_COMMAND_LAST;
2476                 }
2477                 else {
2478                         cmd_flags = BNX2_NVM_COMMAND_FIRST;
2479                 }
2480
2481                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2482
2483                 if (rc)
2484                         return rc;
2485
2486                 memcpy(ret_buf, buf + (offset & 3), pre_len);
2487
2488                 offset32 += 4;
2489                 ret_buf += pre_len;
2490                 len32 -= pre_len;
2491         }
2492         if (len32 & 3) {
2493                 extra = 4 - (len32 & 3);
2494                 len32 = (len32 + 4) & ~3;
2495         }
2496
2497         if (len32 == 4) {
2498                 u8 buf[4];
2499
2500                 if (cmd_flags)
2501                         cmd_flags = BNX2_NVM_COMMAND_LAST;
2502                 else
2503                         cmd_flags = BNX2_NVM_COMMAND_FIRST |
2504                                     BNX2_NVM_COMMAND_LAST;
2505
2506                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2507
2508                 memcpy(ret_buf, buf, 4 - extra);
2509         }
2510         else if (len32 > 0) {
2511                 u8 buf[4];
2512
2513                 /* Read the first word. */
2514                 if (cmd_flags)
2515                         cmd_flags = 0;
2516                 else
2517                         cmd_flags = BNX2_NVM_COMMAND_FIRST;
2518
2519                 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
2520
2521                 /* Advance to the next dword. */
2522                 offset32 += 4;
2523                 ret_buf += 4;
2524                 len32 -= 4;
2525
2526                 while (len32 > 4 && rc == 0) {
2527                         rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
2528
2529                         /* Advance to the next dword. */
2530                         offset32 += 4;
2531                         ret_buf += 4;
2532                         len32 -= 4;
2533                 }
2534
2535                 if (rc)
2536                         return rc;
2537
2538                 cmd_flags = BNX2_NVM_COMMAND_LAST;
2539                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2540
2541                 memcpy(ret_buf, buf, 4 - extra);
2542         }
2543
2544         /* Disable access to flash interface */
2545         bnx2_disable_nvram_access(bp);
2546
2547         bnx2_release_nvram_lock(bp);
2548
2549         return rc;
2550 }
2551
2552 static int
2553 bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
2554                 int buf_size)
2555 {
2556         u32 written, offset32, len32;
2557         u8 *buf, start[4], end[4];
2558         int rc = 0;
2559         int align_start, align_end;
2560
2561         buf = data_buf;
2562         offset32 = offset;
2563         len32 = buf_size;
2564         align_start = align_end = 0;
2565
2566         if ((align_start = (offset32 & 3))) {
2567                 offset32 &= ~3;
2568                 len32 += align_start;
2569                 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
2570                         return rc;
2571         }
2572
2573         if (len32 & 3) {
2574                 if ((len32 > 4) || !align_start) {
2575                         align_end = 4 - (len32 & 3);
2576                         len32 += align_end;
2577                         if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4,
2578                                 end, 4))) {
2579                                 return rc;
2580                         }
2581                 }
2582         }
2583
2584         if (align_start || align_end) {
2585                 buf = kmalloc(len32, GFP_KERNEL);
2586                 if (buf == 0)
2587                         return -ENOMEM;
2588                 if (align_start) {
2589                         memcpy(buf, start, 4);
2590                 }
2591                 if (align_end) {
2592                         memcpy(buf + len32 - 4, end, 4);
2593                 }
2594                 memcpy(buf + align_start, data_buf, buf_size);
2595         }
2596
2597         written = 0;
2598         while ((written < len32) && (rc == 0)) {
2599                 u32 page_start, page_end, data_start, data_end;
2600                 u32 addr, cmd_flags;
2601                 int i;
2602                 u8 flash_buffer[264];
2603
2604                 /* Find the page_start addr */
2605                 page_start = offset32 + written;
2606                 page_start -= (page_start % bp->flash_info->page_size);
2607                 /* Find the page_end addr */
2608                 page_end = page_start + bp->flash_info->page_size;
2609                 /* Find the data_start addr */
2610                 data_start = (written == 0) ? offset32 : page_start;
2611                 /* Find the data_end addr */
2612                 data_end = (page_end > offset32 + len32) ? 
2613                         (offset32 + len32) : page_end;
2614
2615                 /* Request access to the flash interface. */
2616                 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2617                         goto nvram_write_end;
2618
2619                 /* Enable access to flash interface */
2620                 bnx2_enable_nvram_access(bp);
2621
2622                 cmd_flags = BNX2_NVM_COMMAND_FIRST;
2623                 if (bp->flash_info->buffered == 0) {
2624                         int j;
2625
2626                         /* Read the whole page into the buffer
2627                          * (non-buffer flash only) */
2628                         for (j = 0; j < bp->flash_info->page_size; j += 4) {
2629                                 if (j == (bp->flash_info->page_size - 4)) {
2630                                         cmd_flags |= BNX2_NVM_COMMAND_LAST;
2631                                 }
2632                                 rc = bnx2_nvram_read_dword(bp,
2633                                         page_start + j, 
2634                                         &flash_buffer[j], 
2635                                         cmd_flags);
2636
2637                                 if (rc)
2638                                         goto nvram_write_end;
2639
2640                                 cmd_flags = 0;
2641                         }
2642                 }
2643
2644                 /* Enable writes to flash interface (unlock write-protect) */
2645                 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
2646                         goto nvram_write_end;
2647
2648                 /* Erase the page */
2649                 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
2650                         goto nvram_write_end;
2651
2652                 /* Re-enable the write again for the actual write */
2653                 bnx2_enable_nvram_write(bp);
2654
2655                 /* Loop to write back the buffer data from page_start to
2656                  * data_start */
2657                 i = 0;
2658                 if (bp->flash_info->buffered == 0) {
2659                         for (addr = page_start; addr < data_start;
2660                                 addr += 4, i += 4) {
2661                                 
2662                                 rc = bnx2_nvram_write_dword(bp, addr,
2663                                         &flash_buffer[i], cmd_flags);
2664
2665                                 if (rc != 0)
2666                                         goto nvram_write_end;
2667
2668                                 cmd_flags = 0;
2669                         }
2670                 }
2671
2672                 /* Loop to write the new data from data_start to data_end */
2673                 for (addr = data_start; addr < data_end; addr += 4, i++) {
2674                         if ((addr == page_end - 4) ||
2675                                 ((bp->flash_info->buffered) &&
2676                                  (addr == data_end - 4))) {
2677
2678                                 cmd_flags |= BNX2_NVM_COMMAND_LAST;
2679                         }
2680                         rc = bnx2_nvram_write_dword(bp, addr, buf,
2681                                 cmd_flags);
2682
2683                         if (rc != 0)
2684                                 goto nvram_write_end;
2685
2686                         cmd_flags = 0;
2687                         buf += 4;
2688                 }
2689
2690                 /* Loop to write back the buffer data from data_end
2691                  * to page_end */
2692                 if (bp->flash_info->buffered == 0) {
2693                         for (addr = data_end; addr < page_end;
2694                                 addr += 4, i += 4) {
2695                         
2696                                 if (addr == page_end-4) {
2697                                         cmd_flags = BNX2_NVM_COMMAND_LAST;
2698                                 }
2699                                 rc = bnx2_nvram_write_dword(bp, addr,
2700                                         &flash_buffer[i], cmd_flags);
2701
2702                                 if (rc != 0)
2703                                         goto nvram_write_end;
2704
2705                                 cmd_flags = 0;
2706                         }
2707                 }
2708
2709                 /* Disable writes to flash interface (lock write-protect) */
2710                 bnx2_disable_nvram_write(bp);
2711
2712                 /* Disable access to flash interface */
2713                 bnx2_disable_nvram_access(bp);
2714                 bnx2_release_nvram_lock(bp);
2715
2716                 /* Increment written */
2717                 written += data_end - data_start;
2718         }
2719
2720 nvram_write_end:
2721         if (align_start || align_end)
2722                 kfree(buf);
2723         return rc;
2724 }
2725
2726 static int
2727 bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
2728 {
2729         u32 val;
2730         int i, rc = 0;
2731
2732         /* Wait for the current PCI transaction to complete before
2733          * issuing a reset. */
2734         REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
2735                BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
2736                BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
2737                BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
2738                BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
2739         val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
2740         udelay(5);
2741
2742         /* Deposit a driver reset signature so the firmware knows that
2743          * this is a soft reset. */
2744         REG_WR_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_DRV_RESET_SIGNATURE,
2745                    BNX2_DRV_RESET_SIGNATURE_MAGIC);
2746
2747         bp->fw_timed_out = 0;
2748
2749         /* Wait for the firmware to tell us it is ok to issue a reset. */
2750         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code);
2751
2752         /* Do a dummy read to force the chip to complete all current transaction
2753          * before we issue a reset. */
2754         val = REG_RD(bp, BNX2_MISC_ID);
2755
2756         val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
2757               BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
2758               BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
2759
2760         /* Chip reset. */
2761         REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
2762
2763         if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
2764             (CHIP_ID(bp) == CHIP_ID_5706_A1))
2765                 msleep(15);
2766
2767         /* Reset takes approximate 30 usec */
2768         for (i = 0; i < 10; i++) {
2769                 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
2770                 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
2771                             BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0) {
2772                         break;
2773                 }
2774                 udelay(10);
2775         }
2776
2777         if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
2778                    BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
2779                 printk(KERN_ERR PFX "Chip reset did not complete\n");
2780                 return -EBUSY;
2781         }
2782
2783         /* Make sure byte swapping is properly configured. */
2784         val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
2785         if (val != 0x01020304) {
2786                 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
2787                 return -ENODEV;
2788         }
2789
2790         bp->fw_timed_out = 0;
2791
2792         /* Wait for the firmware to finish its initialization. */
2793         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code);
2794
2795         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2796                 /* Adjust the voltage regular to two steps lower.  The default
2797                  * of this register is 0x0000000e. */
2798                 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
2799
2800                 /* Remove bad rbuf memory from the free pool. */
2801                 rc = bnx2_alloc_bad_rbuf(bp);
2802         }
2803
2804         return rc;
2805 }
2806
2807 static int
2808 bnx2_init_chip(struct bnx2 *bp)
2809 {
2810         u32 val;
2811
2812         /* Make sure the interrupt is not active. */
2813         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2814
2815         val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
2816               BNX2_DMA_CONFIG_DATA_WORD_SWAP |
2817 #ifdef __BIG_ENDIAN
2818               BNX2_DMA_CONFIG_CNTL_BYTE_SWAP | 
2819 #endif
2820               BNX2_DMA_CONFIG_CNTL_WORD_SWAP | 
2821               DMA_READ_CHANS << 12 |
2822               DMA_WRITE_CHANS << 16;
2823
2824         val |= (0x2 << 20) | (1 << 11);
2825
2826         if ((bp->flags & PCIX_FLAG) && (bp->bus_speed_mhz = 133))
2827                 val |= (1 << 23);
2828
2829         if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
2830             (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & PCIX_FLAG))
2831                 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
2832
2833         REG_WR(bp, BNX2_DMA_CONFIG, val);
2834
2835         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2836                 val = REG_RD(bp, BNX2_TDMA_CONFIG);
2837                 val |= BNX2_TDMA_CONFIG_ONE_DMA;
2838                 REG_WR(bp, BNX2_TDMA_CONFIG, val);
2839         }
2840
2841         if (bp->flags & PCIX_FLAG) {
2842                 u16 val16;
2843
2844                 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
2845                                      &val16);
2846                 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
2847                                       val16 & ~PCI_X_CMD_ERO);
2848         }
2849
2850         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2851                BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
2852                BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
2853                BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
2854
2855         /* Initialize context mapping and zero out the quick contexts.  The
2856          * context block must have already been enabled. */
2857         bnx2_init_context(bp);
2858
2859         bnx2_init_cpus(bp);
2860         bnx2_init_nvram(bp);
2861
2862         bnx2_set_mac_addr(bp);
2863
2864         val = REG_RD(bp, BNX2_MQ_CONFIG);
2865         val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
2866         val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
2867         REG_WR(bp, BNX2_MQ_CONFIG, val);
2868
2869         val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
2870         REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
2871         REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
2872
2873         val = (BCM_PAGE_BITS - 8) << 24;
2874         REG_WR(bp, BNX2_RV2P_CONFIG, val);
2875
2876         /* Configure page size. */
2877         val = REG_RD(bp, BNX2_TBDR_CONFIG);
2878         val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
2879         val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
2880         REG_WR(bp, BNX2_TBDR_CONFIG, val);
2881
2882         val = bp->mac_addr[0] +
2883               (bp->mac_addr[1] << 8) +
2884               (bp->mac_addr[2] << 16) +
2885               bp->mac_addr[3] +
2886               (bp->mac_addr[4] << 8) +
2887               (bp->mac_addr[5] << 16);
2888         REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
2889
2890         /* Program the MTU.  Also include 4 bytes for CRC32. */
2891         val = bp->dev->mtu + ETH_HLEN + 4;
2892         if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
2893                 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
2894         REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
2895
2896         bp->last_status_idx = 0;
2897         bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
2898
2899         /* Set up how to generate a link change interrupt. */
2900         REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2901
2902         REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
2903                (u64) bp->status_blk_mapping & 0xffffffff);
2904         REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
2905
2906         REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
2907                (u64) bp->stats_blk_mapping & 0xffffffff);
2908         REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
2909                (u64) bp->stats_blk_mapping >> 32);
2910
2911         REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP, 
2912                (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
2913
2914         REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
2915                (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
2916
2917         REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
2918                (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
2919
2920         REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
2921
2922         REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
2923
2924         REG_WR(bp, BNX2_HC_COM_TICKS,
2925                (bp->com_ticks_int << 16) | bp->com_ticks);
2926
2927         REG_WR(bp, BNX2_HC_CMD_TICKS,
2928                (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
2929
2930         REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks & 0xffff00);
2931         REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8);  /* 3ms */
2932
2933         if (CHIP_ID(bp) == CHIP_ID_5706_A1)
2934                 REG_WR(bp, BNX2_HC_CONFIG, BNX2_HC_CONFIG_COLLECT_STATS);
2935         else {
2936                 REG_WR(bp, BNX2_HC_CONFIG, BNX2_HC_CONFIG_RX_TMR_MODE |
2937                        BNX2_HC_CONFIG_TX_TMR_MODE |
2938                        BNX2_HC_CONFIG_COLLECT_STATS);
2939         }
2940
2941         /* Clear internal stats counters. */
2942         REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
2943
2944         REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_BITS_LINK_STATE);
2945
2946         /* Initialize the receive filter. */
2947         bnx2_set_rx_mode(bp->dev);
2948
2949         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET);
2950
2951         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, 0x5ffffff);
2952         REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
2953
2954         udelay(20);
2955
2956         return 0;
2957 }
2958
2959
2960 static void
2961 bnx2_init_tx_ring(struct bnx2 *bp)
2962 {
2963         struct tx_bd *txbd;
2964         u32 val;
2965
2966         txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
2967                 
2968         txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
2969         txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
2970
2971         bp->tx_prod = 0;
2972         bp->tx_cons = 0;
2973         bp->tx_prod_bseq = 0;
2974         atomic_set(&bp->tx_avail_bd, bp->tx_ring_size);
2975         
2976         val = BNX2_L2CTX_TYPE_TYPE_L2;
2977         val |= BNX2_L2CTX_TYPE_SIZE_L2;
2978         CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TYPE, val);
2979
2980         val = BNX2_L2CTX_CMD_TYPE_TYPE_L2;
2981         val |= 8 << 16;
2982         CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_CMD_TYPE, val);
2983
2984         val = (u64) bp->tx_desc_mapping >> 32;
2985         CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_HI, val);
2986
2987         val = (u64) bp->tx_desc_mapping & 0xffffffff;
2988         CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_LO, val);
2989 }
2990
2991 static void
2992 bnx2_init_rx_ring(struct bnx2 *bp)
2993 {
2994         struct rx_bd *rxbd;
2995         int i;
2996         u16 prod, ring_prod; 
2997         u32 val;
2998
2999         /* 8 for CRC and VLAN */
3000         bp->rx_buf_use_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
3001         /* 8 for alignment */
3002         bp->rx_buf_size = bp->rx_buf_use_size + 8;
3003
3004         ring_prod = prod = bp->rx_prod = 0;
3005         bp->rx_cons = 0;
3006         bp->rx_prod_bseq = 0;
3007                 
3008         rxbd = &bp->rx_desc_ring[0];
3009         for (i = 0; i < MAX_RX_DESC_CNT; i++, rxbd++) {
3010                 rxbd->rx_bd_len = bp->rx_buf_use_size;
3011                 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
3012         }
3013
3014         rxbd->rx_bd_haddr_hi = (u64) bp->rx_desc_mapping >> 32;
3015         rxbd->rx_bd_haddr_lo = (u64) bp->rx_desc_mapping & 0xffffffff;
3016
3017         val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
3018         val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
3019         val |= 0x02 << 8;
3020         CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_CTX_TYPE, val);
3021
3022         val = (u64) bp->rx_desc_mapping >> 32;
3023         CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_HI, val);
3024
3025         val = (u64) bp->rx_desc_mapping & 0xffffffff;
3026         CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_LO, val);
3027
3028         for ( ;ring_prod < bp->rx_ring_size; ) {
3029                 if (bnx2_alloc_rx_skb(bp, ring_prod) < 0) {
3030                         break;
3031                 }
3032                 prod = NEXT_RX_BD(prod);
3033                 ring_prod = RX_RING_IDX(prod);
3034         }
3035         bp->rx_prod = prod;
3036
3037         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
3038
3039         REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
3040 }
3041
3042 static void
3043 bnx2_free_tx_skbs(struct bnx2 *bp)
3044 {
3045         int i;
3046
3047         if (bp->tx_buf_ring == NULL)
3048                 return;
3049
3050         for (i = 0; i < TX_DESC_CNT; ) {
3051                 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
3052                 struct sk_buff *skb = tx_buf->skb;
3053                 int j, last;
3054
3055                 if (skb == NULL) {
3056                         i++;
3057                         continue;
3058                 }
3059
3060                 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
3061                         skb_headlen(skb), PCI_DMA_TODEVICE);
3062
3063                 tx_buf->skb = NULL;
3064
3065                 last = skb_shinfo(skb)->nr_frags;
3066                 for (j = 0; j < last; j++) {
3067                         tx_buf = &bp->tx_buf_ring[i + j + 1];
3068                         pci_unmap_page(bp->pdev,
3069                                 pci_unmap_addr(tx_buf, mapping),
3070                                 skb_shinfo(skb)->frags[j].size,
3071                                 PCI_DMA_TODEVICE);
3072                 }
3073                 dev_kfree_skb_any(skb);
3074                 i += j + 1;
3075         }
3076
3077 }
3078
3079 static void
3080 bnx2_free_rx_skbs(struct bnx2 *bp)
3081 {
3082         int i;
3083
3084         if (bp->rx_buf_ring == NULL)
3085                 return;
3086
3087         for (i = 0; i < RX_DESC_CNT; i++) {
3088                 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
3089                 struct sk_buff *skb = rx_buf->skb;
3090
3091                 if (skb == 0)
3092                         continue;
3093
3094                 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
3095                         bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
3096
3097                 rx_buf->skb = NULL;
3098
3099                 dev_kfree_skb_any(skb);
3100         }
3101 }
3102
3103 static void
3104 bnx2_free_skbs(struct bnx2 *bp)
3105 {
3106         bnx2_free_tx_skbs(bp);
3107         bnx2_free_rx_skbs(bp);
3108 }
3109
3110 static int
3111 bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
3112 {
3113         int rc;
3114
3115         rc = bnx2_reset_chip(bp, reset_code);
3116         bnx2_free_skbs(bp);
3117         if (rc)
3118                 return rc;
3119
3120         bnx2_init_chip(bp);
3121         bnx2_init_tx_ring(bp);
3122         bnx2_init_rx_ring(bp);
3123         return 0;
3124 }
3125
3126 static int
3127 bnx2_init_nic(struct bnx2 *bp)
3128 {
3129         int rc;
3130
3131         if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
3132                 return rc;
3133
3134         bnx2_init_phy(bp);
3135         bnx2_set_link(bp);
3136         return 0;
3137 }
3138
3139 static int
3140 bnx2_test_registers(struct bnx2 *bp)
3141 {
3142         int ret;
3143         int i;
3144         static struct {
3145                 u16   offset;
3146                 u16   flags;
3147                 u32   rw_mask;
3148                 u32   ro_mask;
3149         } reg_tbl[] = {
3150                 { 0x006c, 0, 0x00000000, 0x0000003f },
3151                 { 0x0090, 0, 0xffffffff, 0x00000000 },
3152                 { 0x0094, 0, 0x00000000, 0x00000000 },
3153
3154                 { 0x0404, 0, 0x00003f00, 0x00000000 },
3155                 { 0x0418, 0, 0x00000000, 0xffffffff },
3156                 { 0x041c, 0, 0x00000000, 0xffffffff },
3157                 { 0x0420, 0, 0x00000000, 0x80ffffff },
3158                 { 0x0424, 0, 0x00000000, 0x00000000 },
3159                 { 0x0428, 0, 0x00000000, 0x00000001 },
3160                 { 0x0450, 0, 0x00000000, 0x0000ffff },
3161                 { 0x0454, 0, 0x00000000, 0xffffffff },
3162                 { 0x0458, 0, 0x00000000, 0xffffffff },
3163
3164                 { 0x0808, 0, 0x00000000, 0xffffffff },
3165                 { 0x0854, 0, 0x00000000, 0xffffffff },
3166                 { 0x0868, 0, 0x00000000, 0x77777777 },
3167                 { 0x086c, 0, 0x00000000, 0x77777777 },
3168                 { 0x0870, 0, 0x00000000, 0x77777777 },
3169                 { 0x0874, 0, 0x00000000, 0x77777777 },
3170
3171                 { 0x0c00, 0, 0x00000000, 0x00000001 },
3172                 { 0x0c04, 0, 0x00000000, 0x03ff0001 },
3173                 { 0x0c08, 0, 0x0f0ff073, 0x00000000 },
3174                 { 0x0c0c, 0, 0x00ffffff, 0x00000000 },
3175                 { 0x0c30, 0, 0x00000000, 0xffffffff },
3176                 { 0x0c34, 0, 0x00000000, 0xffffffff },
3177                 { 0x0c38, 0, 0x00000000, 0xffffffff },
3178                 { 0x0c3c, 0, 0x00000000, 0xffffffff },
3179                 { 0x0c40, 0, 0x00000000, 0xffffffff },
3180                 { 0x0c44, 0, 0x00000000, 0xffffffff },
3181                 { 0x0c48, 0, 0x00000000, 0x0007ffff },
3182                 { 0x0c4c, 0, 0x00000000, 0xffffffff },
3183                 { 0x0c50, 0, 0x00000000, 0xffffffff },
3184                 { 0x0c54, 0, 0x00000000, 0xffffffff },
3185                 { 0x0c58, 0, 0x00000000, 0xffffffff },
3186                 { 0x0c5c, 0, 0x00000000, 0xffffffff },
3187                 { 0x0c60, 0, 0x00000000, 0xffffffff },
3188                 { 0x0c64, 0, 0x00000000, 0xffffffff },
3189                 { 0x0c68, 0, 0x00000000, 0xffffffff },
3190                 { 0x0c6c, 0, 0x00000000, 0xffffffff },
3191                 { 0x0c70, 0, 0x00000000, 0xffffffff },
3192                 { 0x0c74, 0, 0x00000000, 0xffffffff },
3193                 { 0x0c78, 0, 0x00000000, 0xffffffff },
3194                 { 0x0c7c, 0, 0x00000000, 0xffffffff },
3195                 { 0x0c80, 0, 0x00000000, 0xffffffff },
3196                 { 0x0c84, 0, 0x00000000, 0xffffffff },
3197                 { 0x0c88, 0, 0x00000000, 0xffffffff },
3198                 { 0x0c8c, 0, 0x00000000, 0xffffffff },
3199                 { 0x0c90, 0, 0x00000000, 0xffffffff },
3200                 { 0x0c94, 0, 0x00000000, 0xffffffff },
3201                 { 0x0c98, 0, 0x00000000, 0xffffffff },
3202                 { 0x0c9c, 0, 0x00000000, 0xffffffff },
3203                 { 0x0ca0, 0, 0x00000000, 0xffffffff },
3204                 { 0x0ca4, 0, 0x00000000, 0xffffffff },
3205                 { 0x0ca8, 0, 0x00000000, 0x0007ffff },
3206                 { 0x0cac, 0, 0x00000000, 0xffffffff },
3207                 { 0x0cb0, 0, 0x00000000, 0xffffffff },
3208                 { 0x0cb4, 0, 0x00000000, 0xffffffff },
3209                 { 0x0cb8, 0, 0x00000000, 0xffffffff },
3210                 { 0x0cbc, 0, 0x00000000, 0xffffffff },
3211                 { 0x0cc0, 0, 0x00000000, 0xffffffff },
3212                 { 0x0cc4, 0, 0x00000000, 0xffffffff },
3213                 { 0x0cc8, 0, 0x00000000, 0xffffffff },
3214                 { 0x0ccc, 0, 0x00000000, 0xffffffff },
3215                 { 0x0cd0, 0, 0x00000000, 0xffffffff },
3216                 { 0x0cd4, 0, 0x00000000, 0xffffffff },
3217                 { 0x0cd8, 0, 0x00000000, 0xffffffff },
3218                 { 0x0cdc, 0, 0x00000000, 0xffffffff },
3219                 { 0x0ce0, 0, 0x00000000, 0xffffffff },
3220                 { 0x0ce4, 0, 0x00000000, 0xffffffff },
3221                 { 0x0ce8, 0, 0x00000000, 0xffffffff },
3222                 { 0x0cec, 0, 0x00000000, 0xffffffff },
3223                 { 0x0cf0, 0, 0x00000000, 0xffffffff },
3224                 { 0x0cf4, 0, 0x00000000, 0xffffffff },
3225                 { 0x0cf8, 0, 0x00000000, 0xffffffff },
3226                 { 0x0cfc, 0, 0x00000000, 0xffffffff },
3227                 { 0x0d00, 0, 0x00000000, 0xffffffff },
3228                 { 0x0d04, 0, 0x00000000, 0xffffffff },
3229
3230                 { 0x1000, 0, 0x00000000, 0x00000001 },
3231                 { 0x1004, 0, 0x00000000, 0x000f0001 },
3232                 { 0x1044, 0, 0x00000000, 0xffc003ff },
3233                 { 0x1080, 0, 0x00000000, 0x0001ffff },
3234                 { 0x1084, 0, 0x00000000, 0xffffffff },
3235                 { 0x1088, 0, 0x00000000, 0xffffffff },
3236                 { 0x108c, 0, 0x00000000, 0xffffffff },
3237                 { 0x1090, 0, 0x00000000, 0xffffffff },
3238                 { 0x1094, 0, 0x00000000, 0xffffffff },
3239                 { 0x1098, 0, 0x00000000, 0xffffffff },
3240                 { 0x109c, 0, 0x00000000, 0xffffffff },
3241                 { 0x10a0, 0, 0x00000000, 0xffffffff },
3242
3243                 { 0x1408, 0, 0x01c00800, 0x00000000 },
3244                 { 0x149c, 0, 0x8000ffff, 0x00000000 },
3245                 { 0x14a8, 0, 0x00000000, 0x000001ff },
3246                 { 0x14ac, 0, 0x4fffffff, 0x10000000 },
3247                 { 0x14b0, 0, 0x00000002, 0x00000001 },
3248                 { 0x14b8, 0, 0x00000000, 0x00000000 },
3249                 { 0x14c0, 0, 0x00000000, 0x00000009 },
3250                 { 0x14c4, 0, 0x00003fff, 0x00000000 },
3251                 { 0x14cc, 0, 0x00000000, 0x00000001 },
3252                 { 0x14d0, 0, 0xffffffff, 0x00000000 },
3253                 { 0x1500, 0, 0x00000000, 0xffffffff },
3254                 { 0x1504, 0, 0x00000000, 0xffffffff },
3255                 { 0x1508, 0, 0x00000000, 0xffffffff },
3256                 { 0x150c, 0, 0x00000000, 0xffffffff },
3257                 { 0x1510, 0, 0x00000000, 0xffffffff },
3258                 { 0x1514, 0, 0x00000000, 0xffffffff },
3259                 { 0x1518, 0, 0x00000000, 0xffffffff },
3260                 { 0x151c, 0, 0x00000000, 0xffffffff },
3261                 { 0x1520, 0, 0x00000000, 0xffffffff },
3262                 { 0x1524, 0, 0x00000000, 0xffffffff },
3263                 { 0x1528, 0, 0x00000000, 0xffffffff },
3264                 { 0x152c, 0, 0x00000000, 0xffffffff },
3265                 { 0x1530, 0, 0x00000000, 0xffffffff },
3266                 { 0x1534, 0, 0x00000000, 0xffffffff },
3267                 { 0x1538, 0, 0x00000000, 0xffffffff },
3268                 { 0x153c, 0, 0x00000000, 0xffffffff },
3269                 { 0x1540, 0, 0x00000000, 0xffffffff },
3270                 { 0x1544, 0, 0x00000000, 0xffffffff },
3271                 { 0x1548, 0, 0x00000000, 0xffffffff },
3272                 { 0x154c, 0, 0x00000000, 0xffffffff },
3273                 { 0x1550, 0, 0x00000000, 0xffffffff },
3274                 { 0x1554, 0, 0x00000000, 0xffffffff },
3275                 { 0x1558, 0, 0x00000000, 0xffffffff },
3276                 { 0x1600, 0, 0x00000000, 0xffffffff },
3277                 { 0x1604, 0, 0x00000000, 0xffffffff },
3278                 { 0x1608, 0, 0x00000000, 0xffffffff },
3279                 { 0x160c, 0, 0x00000000, 0xffffffff },
3280                 { 0x1610, 0, 0x00000000, 0xffffffff },
3281                 { 0x1614, 0, 0x00000000, 0xffffffff },
3282                 { 0x1618, 0, 0x00000000, 0xffffffff },
3283                 { 0x161c, 0, 0x00000000, 0xffffffff },
3284                 { 0x1620, 0, 0x00000000, 0xffffffff },
3285                 { 0x1624, 0, 0x00000000, 0xffffffff },
3286                 { 0x1628, 0, 0x00000000, 0xffffffff },
3287                 { 0x162c, 0, 0x00000000, 0xffffffff },
3288                 { 0x1630, 0, 0x00000000, 0xffffffff },
3289                 { 0x1634, 0, 0x00000000, 0xffffffff },
3290                 { 0x1638, 0, 0x00000000, 0xffffffff },
3291                 { 0x163c, 0, 0x00000000, 0xffffffff },
3292                 { 0x1640, 0, 0x00000000, 0xffffffff },
3293                 { 0x1644, 0, 0x00000000, 0xffffffff },
3294                 { 0x1648, 0, 0x00000000, 0xffffffff },
3295                 { 0x164c, 0, 0x00000000, 0xffffffff },
3296                 { 0x1650, 0, 0x00000000, 0xffffffff },
3297                 { 0x1654, 0, 0x00000000, 0xffffffff },
3298
3299                 { 0x1800, 0, 0x00000000, 0x00000001 },
3300                 { 0x1804, 0, 0x00000000, 0x00000003 },
3301                 { 0x1840, 0, 0x00000000, 0xffffffff },
3302                 { 0x1844, 0, 0x00000000, 0xffffffff },
3303                 { 0x1848, 0, 0x00000000, 0xffffffff },
3304                 { 0x184c, 0, 0x00000000, 0xffffffff },
3305                 { 0x1850, 0, 0x00000000, 0xffffffff },
3306                 { 0x1900, 0, 0x7ffbffff, 0x00000000 },
3307                 { 0x1904, 0, 0xffffffff, 0x00000000 },
3308                 { 0x190c, 0, 0xffffffff, 0x00000000 },
3309                 { 0x1914, 0, 0xffffffff, 0x00000000 },
3310                 { 0x191c, 0, 0xffffffff, 0x00000000 },
3311                 { 0x1924, 0, 0xffffffff, 0x00000000 },
3312                 { 0x192c, 0, 0xffffffff, 0x00000000 },
3313                 { 0x1934, 0, 0xffffffff, 0x00000000 },
3314                 { 0x193c, 0, 0xffffffff, 0x00000000 },
3315                 { 0x1944, 0, 0xffffffff, 0x00000000 },
3316                 { 0x194c, 0, 0xffffffff, 0x00000000 },
3317                 { 0x1954, 0, 0xffffffff, 0x00000000 },
3318                 { 0x195c, 0, 0xffffffff, 0x00000000 },
3319                 { 0x1964, 0, 0xffffffff, 0x00000000 },
3320                 { 0x196c, 0, 0xffffffff, 0x00000000 },
3321                 { 0x1974, 0, 0xffffffff, 0x00000000 },
3322                 { 0x197c, 0, 0xffffffff, 0x00000000 },
3323                 { 0x1980, 0, 0x0700ffff, 0x00000000 },
3324
3325                 { 0x1c00, 0, 0x00000000, 0x00000001 },
3326                 { 0x1c04, 0, 0x00000000, 0x00000003 },
3327                 { 0x1c08, 0, 0x0000000f, 0x00000000 },
3328                 { 0x1c40, 0, 0x00000000, 0xffffffff },
3329                 { 0x1c44, 0, 0x00000000, 0xffffffff },
3330                 { 0x1c48, 0, 0x00000000, 0xffffffff },
3331                 { 0x1c4c, 0, 0x00000000, 0xffffffff },
3332                 { 0x1c50, 0, 0x00000000, 0xffffffff },
3333                 { 0x1d00, 0, 0x7ffbffff, 0x00000000 },
3334                 { 0x1d04, 0, 0xffffffff, 0x00000000 },
3335                 { 0x1d0c, 0, 0xffffffff, 0x00000000 },
3336                 { 0x1d14, 0, 0xffffffff, 0x00000000 },
3337                 { 0x1d1c, 0, 0xffffffff, 0x00000000 },
3338                 { 0x1d24, 0, 0xffffffff, 0x00000000 },
3339                 { 0x1d2c, 0, 0xffffffff, 0x00000000 },
3340                 { 0x1d34, 0, 0xffffffff, 0x00000000 },
3341                 { 0x1d3c, 0, 0xffffffff, 0x00000000 },
3342                 { 0x1d44, 0, 0xffffffff, 0x00000000 },
3343                 { 0x1d4c, 0, 0xffffffff, 0x00000000 },
3344                 { 0x1d54, 0, 0xffffffff, 0x00000000 },
3345                 { 0x1d5c, 0, 0xffffffff, 0x00000000 },
3346                 { 0x1d64, 0, 0xffffffff, 0x00000000 },
3347                 { 0x1d6c, 0, 0xffffffff, 0x00000000 },
3348                 { 0x1d74, 0, 0xffffffff, 0x00000000 },
3349                 { 0x1d7c, 0, 0xffffffff, 0x00000000 },
3350                 { 0x1d80, 0, 0x0700ffff, 0x00000000 },
3351
3352                 { 0x2004, 0, 0x00000000, 0x0337000f },
3353                 { 0x2008, 0, 0xffffffff, 0x00000000 },
3354                 { 0x200c, 0, 0xffffffff, 0x00000000 },
3355                 { 0x2010, 0, 0xffffffff, 0x00000000 },
3356                 { 0x2014, 0, 0x801fff80, 0x00000000 },
3357                 { 0x2018, 0, 0x000003ff, 0x00000000 },
3358
3359                 { 0x2800, 0, 0x00000000, 0x00000001 },
3360                 { 0x2804, 0, 0x00000000, 0x00003f01 },
3361                 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
3362                 { 0x2810, 0, 0xffff0000, 0x00000000 },
3363                 { 0x2814, 0, 0xffff0000, 0x00000000 },
3364                 { 0x2818, 0, 0xffff0000, 0x00000000 },
3365                 { 0x281c, 0, 0xffff0000, 0x00000000 },
3366                 { 0x2834, 0, 0xffffffff, 0x00000000 },
3367                 { 0x2840, 0, 0x00000000, 0xffffffff },
3368                 { 0x2844, 0, 0x00000000, 0xffffffff },
3369                 { 0x2848, 0, 0xffffffff, 0x00000000 },
3370                 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
3371
3372                 { 0x2c00, 0, 0x00000000, 0x00000011 },
3373                 { 0x2c04, 0, 0x00000000, 0x00030007 },
3374
3375                 { 0x3000, 0, 0x00000000, 0x00000001 },
3376                 { 0x3004, 0, 0x00000000, 0x007007ff },
3377                 { 0x3008, 0, 0x00000003, 0x00000000 },
3378                 { 0x300c, 0, 0xffffffff, 0x00000000 },
3379                 { 0x3010, 0, 0xffffffff, 0x00000000 },
3380                 { 0x3014, 0, 0xffffffff, 0x00000000 },
3381                 { 0x3034, 0, 0xffffffff, 0x00000000 },
3382                 { 0x3038, 0, 0xffffffff, 0x00000000 },
3383                 { 0x3050, 0, 0x00000001, 0x00000000 },
3384
3385                 { 0x3c00, 0, 0x00000000, 0x00000001 },
3386                 { 0x3c04, 0, 0x00000000, 0x00070000 },
3387                 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
3388                 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
3389                 { 0x3c10, 0, 0xffffffff, 0x00000000 },
3390                 { 0x3c14, 0, 0x00000000, 0xffffffff },
3391                 { 0x3c18, 0, 0x00000000, 0xffffffff },
3392                 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
3393                 { 0x3c20, 0, 0xffffff00, 0x00000000 },
3394                 { 0x3c24, 0, 0xffffffff, 0x00000000 },
3395                 { 0x3c28, 0, 0xffffffff, 0x00000000 },
3396                 { 0x3c2c, 0, 0xffffffff, 0x00000000 },
3397                 { 0x3c30, 0, 0xffffffff, 0x00000000 },
3398                 { 0x3c34, 0, 0xffffffff, 0x00000000 },
3399                 { 0x3c38, 0, 0xffffffff, 0x00000000 },
3400                 { 0x3c3c, 0, 0xffffffff, 0x00000000 },
3401                 { 0x3c40, 0, 0xffffffff, 0x00000000 },
3402                 { 0x3c44, 0, 0xffffffff, 0x00000000 },
3403                 { 0x3c48, 0, 0xffffffff, 0x00000000 },
3404                 { 0x3c4c, 0, 0xffffffff, 0x00000000 },
3405                 { 0x3c50, 0, 0xffffffff, 0x00000000 },
3406                 { 0x3c54, 0, 0xffffffff, 0x00000000 },
3407                 { 0x3c58, 0, 0xffffffff, 0x00000000 },
3408                 { 0x3c5c, 0, 0xffffffff, 0x00000000 },
3409                 { 0x3c60, 0, 0xffffffff, 0x00000000 },
3410                 { 0x3c64, 0, 0xffffffff, 0x00000000 },
3411                 { 0x3c68, 0, 0xffffffff, 0x00000000 },
3412                 { 0x3c6c, 0, 0xffffffff, 0x00000000 },
3413                 { 0x3c70, 0, 0xffffffff, 0x00000000 },
3414                 { 0x3c74, 0, 0x0000003f, 0x00000000 },
3415                 { 0x3c78, 0, 0x00000000, 0x00000000 },
3416                 { 0x3c7c, 0, 0x00000000, 0x00000000 },
3417                 { 0x3c80, 0, 0x3fffffff, 0x00000000 },
3418                 { 0x3c84, 0, 0x0000003f, 0x00000000 },
3419                 { 0x3c88, 0, 0x00000000, 0xffffffff },
3420                 { 0x3c8c, 0, 0x00000000, 0xffffffff },
3421
3422                 { 0x4000, 0, 0x00000000, 0x00000001 },
3423                 { 0x4004, 0, 0x00000000, 0x00030000 },
3424                 { 0x4008, 0, 0x00000ff0, 0x00000000 },
3425                 { 0x400c, 0, 0xffffffff, 0x00000000 },
3426                 { 0x4088, 0, 0x00000000, 0x00070303 },
3427
3428                 { 0x4400, 0, 0x00000000, 0x00000001 },
3429                 { 0x4404, 0, 0x00000000, 0x00003f01 },
3430                 { 0x4408, 0, 0x7fff00ff, 0x00000000 },
3431                 { 0x440c, 0, 0xffffffff, 0x00000000 },
3432                 { 0x4410, 0, 0xffff,     0x0000 },
3433                 { 0x4414, 0, 0xffff,     0x0000 },
3434                 { 0x4418, 0, 0xffff,     0x0000 },
3435                 { 0x441c, 0, 0xffff,     0x0000 },
3436                 { 0x4428, 0, 0xffffffff, 0x00000000 },
3437                 { 0x442c, 0, 0xffffffff, 0x00000000 },
3438                 { 0x4430, 0, 0xffffffff, 0x00000000 },
3439                 { 0x4434, 0, 0xffffffff, 0x00000000 },
3440                 { 0x4438, 0, 0xffffffff, 0x00000000 },
3441                 { 0x443c, 0, 0xffffffff, 0x00000000 },
3442                 { 0x4440, 0, 0xffffffff, 0x00000000 },
3443                 { 0x4444, 0, 0xffffffff, 0x00000000 },
3444
3445                 { 0x4c00, 0, 0x00000000, 0x00000001 },
3446                 { 0x4c04, 0, 0x00000000, 0x0000003f },
3447                 { 0x4c08, 0, 0xffffffff, 0x00000000 },
3448                 { 0x4c0c, 0, 0x0007fc00, 0x00000000 },
3449                 { 0x4c10, 0, 0x80003fe0, 0x00000000 },
3450                 { 0x4c14, 0, 0xffffffff, 0x00000000 },
3451                 { 0x4c44, 0, 0x00000000, 0x9fff9fff },
3452                 { 0x4c48, 0, 0x00000000, 0xb3009fff },
3453                 { 0x4c4c, 0, 0x00000000, 0x77f33b30 },
3454                 { 0x4c50, 0, 0x00000000, 0xffffffff },
3455
3456                 { 0x5004, 0, 0x00000000, 0x0000007f },
3457                 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
3458                 { 0x500c, 0, 0xf800f800, 0x07ff07ff },
3459
3460                 { 0x5400, 0, 0x00000008, 0x00000001 },
3461                 { 0x5404, 0, 0x00000000, 0x0000003f },
3462                 { 0x5408, 0, 0x0000001f, 0x00000000 },
3463                 { 0x540c, 0, 0xffffffff, 0x00000000 },
3464                 { 0x5410, 0, 0xffffffff, 0x00000000 },
3465                 { 0x5414, 0, 0x0000ffff, 0x00000000 },
3466                 { 0x5418, 0, 0x0000ffff, 0x00000000 },
3467                 { 0x541c, 0, 0x0000ffff, 0x00000000 },
3468                 { 0x5420, 0, 0x0000ffff, 0x00000000 },
3469                 { 0x5428, 0, 0x000000ff, 0x00000000 },
3470                 { 0x542c, 0, 0xff00ffff, 0x00000000 },
3471                 { 0x5430, 0, 0x001fff80, 0x00000000 },
3472                 { 0x5438, 0, 0xffffffff, 0x00000000 },
3473                 { 0x543c, 0, 0xffffffff, 0x00000000 },
3474                 { 0x5440, 0, 0xf800f800, 0x07ff07ff },
3475
3476                 { 0x5c00, 0, 0x00000000, 0x00000001 },
3477                 { 0x5c04, 0, 0x00000000, 0x0003000f },
3478                 { 0x5c08, 0, 0x00000003, 0x00000000 },
3479                 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
3480                 { 0x5c10, 0, 0x00000000, 0xffffffff },
3481                 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
3482                 { 0x5c84, 0, 0x00000000, 0x0000f333 },
3483                 { 0x5c88, 0, 0x00000000, 0x00077373 },
3484                 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
3485
3486                 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
3487                 { 0x680c, 0, 0xffffffff, 0x00000000 },
3488                 { 0x6810, 0, 0xffffffff, 0x00000000 },
3489                 { 0x6814, 0, 0xffffffff, 0x00000000 },
3490                 { 0x6818, 0, 0xffffffff, 0x00000000 },
3491                 { 0x681c, 0, 0xffffffff, 0x00000000 },
3492                 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
3493                 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
3494                 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
3495                 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
3496                 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
3497                 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
3498                 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
3499                 { 0x683c, 0, 0x0000ffff, 0x00000000 },
3500                 { 0x6840, 0, 0x00000ff0, 0x00000000 },
3501                 { 0x6844, 0, 0x00ffff00, 0x00000000 },
3502                 { 0x684c, 0, 0xffffffff, 0x00000000 },
3503                 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
3504                 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
3505                 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
3506                 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
3507                 { 0x6908, 0, 0x00000000, 0x0001ff0f },
3508                 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
3509
3510                 { 0xffff, 0, 0x00000000, 0x00000000 },
3511         };
3512
3513         ret = 0;
3514         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
3515                 u32 offset, rw_mask, ro_mask, save_val, val;
3516
3517                 offset = (u32) reg_tbl[i].offset;
3518                 rw_mask = reg_tbl[i].rw_mask;
3519                 ro_mask = reg_tbl[i].ro_mask;
3520
3521                 save_val = readl(bp->regview + offset);
3522
3523                 writel(0, bp->regview + offset);
3524
3525                 val = readl(bp->regview + offset);
3526                 if ((val & rw_mask) != 0) {
3527                         goto reg_test_err;
3528                 }
3529
3530                 if ((val & ro_mask) != (save_val & ro_mask)) {
3531                         goto reg_test_err;
3532                 }
3533
3534                 writel(0xffffffff, bp->regview + offset);
3535
3536                 val = readl(bp->regview + offset);
3537                 if ((val & rw_mask) != rw_mask) {
3538                         goto reg_test_err;
3539                 }
3540
3541                 if ((val & ro_mask) != (save_val & ro_mask)) {
3542                         goto reg_test_err;
3543                 }
3544
3545                 writel(save_val, bp->regview + offset);
3546                 continue;
3547
3548 reg_test_err:
3549                 writel(save_val, bp->regview + offset);
3550                 ret = -ENODEV;
3551                 break;
3552         }
3553         return ret;
3554 }
3555
3556 static int
3557 bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
3558 {
3559         static u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
3560                 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
3561         int i;
3562
3563         for (i = 0; i < sizeof(test_pattern) / 4; i++) {
3564                 u32 offset;
3565
3566                 for (offset = 0; offset < size; offset += 4) {
3567
3568                         REG_WR_IND(bp, start + offset, test_pattern[i]);
3569
3570                         if (REG_RD_IND(bp, start + offset) !=
3571                                 test_pattern[i]) {
3572                                 return -ENODEV;
3573                         }
3574                 }
3575         }
3576         return 0;
3577 }
3578
3579 static int
3580 bnx2_test_memory(struct bnx2 *bp)
3581 {
3582         int ret = 0;
3583         int i;
3584         static struct {
3585                 u32   offset;
3586                 u32   len;
3587         } mem_tbl[] = {
3588                 { 0x60000,  0x4000 },
3589                 { 0xa0000,  0x4000 },
3590                 { 0xe0000,  0x4000 },
3591                 { 0x120000, 0x4000 },
3592                 { 0x1a0000, 0x4000 },
3593                 { 0x160000, 0x4000 },
3594                 { 0xffffffff, 0    },
3595         };
3596
3597         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
3598                 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
3599                         mem_tbl[i].len)) != 0) {
3600                         return ret;
3601                 }
3602         }
3603         
3604         return ret;
3605 }
3606
3607 static int
3608 bnx2_test_loopback(struct bnx2 *bp)
3609 {
3610         unsigned int pkt_size, num_pkts, i;
3611         struct sk_buff *skb, *rx_skb;
3612         unsigned char *packet;
3613         u16 rx_start_idx, rx_idx, send_idx;
3614         u32 send_bseq, val;
3615         dma_addr_t map;
3616         struct tx_bd *txbd;
3617         struct sw_bd *rx_buf;
3618         struct l2_fhdr *rx_hdr;
3619         int ret = -ENODEV;
3620
3621         if (!netif_running(bp->dev))
3622                 return -ENODEV;
3623
3624         bp->loopback = MAC_LOOPBACK;
3625         bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_DIAG);
3626         bnx2_set_mac_loopback(bp);
3627
3628         pkt_size = 1514;
3629         skb = dev_alloc_skb(pkt_size);
3630         packet = skb_put(skb, pkt_size);
3631         memcpy(packet, bp->mac_addr, 6);
3632         memset(packet + 6, 0x0, 8);
3633         for (i = 14; i < pkt_size; i++)
3634                 packet[i] = (unsigned char) (i & 0xff);
3635
3636         map = pci_map_single(bp->pdev, skb->data, pkt_size,
3637                 PCI_DMA_TODEVICE);
3638
3639         val = REG_RD(bp, BNX2_HC_COMMAND);
3640         REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3641         REG_RD(bp, BNX2_HC_COMMAND);
3642
3643         udelay(5);
3644         rx_start_idx = bp->status_blk->status_rx_quick_consumer_index0;
3645
3646         send_idx = 0;
3647         send_bseq = 0;
3648         num_pkts = 0;
3649
3650         txbd = &bp->tx_desc_ring[send_idx];
3651
3652         txbd->tx_bd_haddr_hi = (u64) map >> 32;
3653         txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
3654         txbd->tx_bd_mss_nbytes = pkt_size;
3655         txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
3656
3657         num_pkts++;
3658         send_idx = NEXT_TX_BD(send_idx);
3659
3660         send_bseq += pkt_size;
3661
3662         REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, send_idx);
3663         REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, send_bseq);
3664
3665
3666         udelay(100);
3667
3668         val = REG_RD(bp, BNX2_HC_COMMAND);
3669         REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3670         REG_RD(bp, BNX2_HC_COMMAND);
3671
3672         udelay(5);
3673
3674         pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
3675         dev_kfree_skb_irq(skb);
3676
3677         if (bp->status_blk->status_tx_quick_consumer_index0 != send_idx) {
3678                 goto loopback_test_done;
3679         }
3680
3681         rx_idx = bp->status_blk->status_rx_quick_consumer_index0;
3682         if (rx_idx != rx_start_idx + num_pkts) {
3683                 goto loopback_test_done;
3684         }
3685
3686         rx_buf = &bp->rx_buf_ring[rx_start_idx];
3687         rx_skb = rx_buf->skb;
3688
3689         rx_hdr = (struct l2_fhdr *) rx_skb->data;
3690         skb_reserve(rx_skb, bp->rx_offset);
3691
3692         pci_dma_sync_single_for_cpu(bp->pdev,
3693                 pci_unmap_addr(rx_buf, mapping),
3694                 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
3695
3696         if (rx_hdr->l2_fhdr_errors &
3697                 (L2_FHDR_ERRORS_BAD_CRC |
3698                 L2_FHDR_ERRORS_PHY_DECODE |
3699                 L2_FHDR_ERRORS_ALIGNMENT |
3700                 L2_FHDR_ERRORS_TOO_SHORT |
3701                 L2_FHDR_ERRORS_GIANT_FRAME)) {
3702
3703                 goto loopback_test_done;
3704         }
3705
3706         if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
3707                 goto loopback_test_done;
3708         }
3709
3710         for (i = 14; i < pkt_size; i++) {
3711                 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
3712                         goto loopback_test_done;
3713                 }
3714         }
3715
3716         ret = 0;
3717
3718 loopback_test_done:
3719         bp->loopback = 0;
3720         return ret;
3721 }
3722
3723 #define NVRAM_SIZE 0x200
3724 #define CRC32_RESIDUAL 0xdebb20e3
3725
3726 static int
3727 bnx2_test_nvram(struct bnx2 *bp)
3728 {
3729         u32 buf[NVRAM_SIZE / 4];
3730         u8 *data = (u8 *) buf;
3731         int rc = 0;
3732         u32 magic, csum;
3733
3734         if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
3735                 goto test_nvram_done;
3736
3737         magic = be32_to_cpu(buf[0]);
3738         if (magic != 0x669955aa) {
3739                 rc = -ENODEV;
3740                 goto test_nvram_done;
3741         }
3742
3743         if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
3744                 goto test_nvram_done;
3745
3746         csum = ether_crc_le(0x100, data);
3747         if (csum != CRC32_RESIDUAL) {
3748                 rc = -ENODEV;
3749                 goto test_nvram_done;
3750         }
3751
3752         csum = ether_crc_le(0x100, data + 0x100);
3753         if (csum != CRC32_RESIDUAL) {
3754                 rc = -ENODEV;
3755         }
3756
3757 test_nvram_done:
3758         return rc;
3759 }
3760
3761 static int
3762 bnx2_test_link(struct bnx2 *bp)
3763 {
3764         u32 bmsr;
3765
3766         spin_lock_irq(&bp->phy_lock);
3767         bnx2_read_phy(bp, MII_BMSR, &bmsr);
3768         bnx2_read_phy(bp, MII_BMSR, &bmsr);
3769         spin_unlock_irq(&bp->phy_lock);
3770                 
3771         if (bmsr & BMSR_LSTATUS) {
3772                 return 0;
3773         }
3774         return -ENODEV;
3775 }
3776
3777 static int
3778 bnx2_test_intr(struct bnx2 *bp)
3779 {
3780         int i;
3781         u32 val;
3782         u16 status_idx;
3783
3784         if (!netif_running(bp->dev))
3785                 return -ENODEV;
3786
3787         status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
3788
3789         /* This register is not touched during run-time. */
3790         val = REG_RD(bp, BNX2_HC_COMMAND);
3791         REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW);
3792         REG_RD(bp, BNX2_HC_COMMAND);
3793
3794         for (i = 0; i < 10; i++) {
3795                 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
3796                         status_idx) {
3797
3798                         break;
3799                 }
3800
3801                 msleep_interruptible(10);
3802         }
3803         if (i < 10)
3804                 return 0;
3805
3806         return -ENODEV;
3807 }
3808
3809 static void
3810 bnx2_timer(unsigned long data)
3811 {
3812         struct bnx2 *bp = (struct bnx2 *) data;
3813         u32 msg;
3814
3815         if (!netif_running(bp->dev))
3816                 return;
3817
3818         if (atomic_read(&bp->intr_sem) != 0)
3819                 goto bnx2_restart_timer;
3820
3821         msg = (u32) ++bp->fw_drv_pulse_wr_seq;
3822         REG_WR_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_DRV_PULSE_MB, msg);
3823
3824         if ((bp->phy_flags & PHY_SERDES_FLAG) &&
3825             (CHIP_NUM(bp) == CHIP_NUM_5706)) {
3826                 unsigned long flags;
3827
3828                 spin_lock_irqsave(&bp->phy_lock, flags);
3829                 if (bp->serdes_an_pending) {
3830                         bp->serdes_an_pending--;
3831                 }
3832                 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
3833                         u32 bmcr;
3834
3835                         bp->current_interval = bp->timer_interval;
3836
3837                         bnx2_read_phy(bp, MII_BMCR, &bmcr);
3838
3839                         if (bmcr & BMCR_ANENABLE) {
3840                                 u32 phy1, phy2;
3841
3842                                 bnx2_write_phy(bp, 0x1c, 0x7c00);
3843                                 bnx2_read_phy(bp, 0x1c, &phy1);
3844
3845                                 bnx2_write_phy(bp, 0x17, 0x0f01);
3846                                 bnx2_read_phy(bp, 0x15, &phy2);
3847                                 bnx2_write_phy(bp, 0x17, 0x0f01);
3848                                 bnx2_read_phy(bp, 0x15, &phy2);
3849
3850                                 if ((phy1 & 0x10) &&    /* SIGNAL DETECT */
3851                                         !(phy2 & 0x20)) {       /* no CONFIG */
3852
3853                                         bmcr &= ~BMCR_ANENABLE;
3854                                         bmcr |= BMCR_SPEED1000 |
3855                                                 BMCR_FULLDPLX;
3856                                         bnx2_write_phy(bp, MII_BMCR, bmcr);
3857                                         bp->phy_flags |=
3858                                                 PHY_PARALLEL_DETECT_FLAG;
3859                                 }
3860                         }
3861                 }
3862                 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
3863                         (bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)) {
3864                         u32 phy2;
3865
3866                         bnx2_write_phy(bp, 0x17, 0x0f01);
3867                         bnx2_read_phy(bp, 0x15, &phy2);
3868                         if (phy2 & 0x20) {
3869                                 u32 bmcr;
3870
3871                                 bnx2_read_phy(bp, MII_BMCR, &bmcr);
3872                                 bmcr |= BMCR_ANENABLE;
3873                                 bnx2_write_phy(bp, MII_BMCR, bmcr);
3874
3875                                 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
3876
3877                         }
3878                 }
3879                 else
3880                         bp->current_interval = bp->timer_interval;
3881
3882                 spin_unlock_irqrestore(&bp->phy_lock, flags);
3883         }
3884
3885 bnx2_restart_timer:
3886         mod_timer(&bp->timer, jiffies + bp->current_interval);
3887 }
3888
3889 /* Called with rtnl_lock */
3890 static int
3891 bnx2_open(struct net_device *dev)
3892 {
3893         struct bnx2 *bp = dev->priv;
3894         int rc;
3895
3896         bnx2_set_power_state(bp, 0);
3897         bnx2_disable_int(bp);
3898
3899         rc = bnx2_alloc_mem(bp);
3900         if (rc)
3901                 return rc;
3902
3903         if ((CHIP_ID(bp) != CHIP_ID_5706_A0) &&
3904                 (CHIP_ID(bp) != CHIP_ID_5706_A1) &&
3905                 !disable_msi) {
3906
3907                 if (pci_enable_msi(bp->pdev) == 0) {
3908                         bp->flags |= USING_MSI_FLAG;
3909                         rc = request_irq(bp->pdev->irq, bnx2_msi, 0, dev->name,
3910                                         dev);
3911                 }
3912                 else {
3913                         rc = request_irq(bp->pdev->irq, bnx2_interrupt,
3914                                         SA_SHIRQ, dev->name, dev);
3915                 }
3916         }
3917         else {
3918                 rc = request_irq(bp->pdev->irq, bnx2_interrupt, SA_SHIRQ,
3919                                 dev->name, dev);
3920         }
3921         if (rc) {
3922                 bnx2_free_mem(bp);
3923                 return rc;
3924         }
3925
3926         rc = bnx2_init_nic(bp);
3927
3928         if (rc) {
3929                 free_irq(bp->pdev->irq, dev);
3930                 if (bp->flags & USING_MSI_FLAG) {
3931                         pci_disable_msi(bp->pdev);
3932                         bp->flags &= ~USING_MSI_FLAG;
3933                 }
3934                 bnx2_free_skbs(bp);
3935                 bnx2_free_mem(bp);
3936                 return rc;
3937         }
3938         
3939         mod_timer(&bp->timer, jiffies + bp->current_interval);
3940
3941         atomic_set(&bp->intr_sem, 0);
3942
3943         bnx2_enable_int(bp);
3944
3945         if (bp->flags & USING_MSI_FLAG) {
3946                 /* Test MSI to make sure it is working
3947                  * If MSI test fails, go back to INTx mode
3948                  */
3949                 if (bnx2_test_intr(bp) != 0) {
3950                         printk(KERN_WARNING PFX "%s: No interrupt was generated"
3951                                " using MSI, switching to INTx mode. Please"
3952                                " report this failure to the PCI maintainer"
3953                                " and include system chipset information.\n",
3954                                bp->dev->name);
3955
3956                         bnx2_disable_int(bp);
3957                         free_irq(bp->pdev->irq, dev);
3958                         pci_disable_msi(bp->pdev);
3959                         bp->flags &= ~USING_MSI_FLAG;
3960
3961                         rc = bnx2_init_nic(bp);
3962
3963                         if (!rc) {
3964                                 rc = request_irq(bp->pdev->irq, bnx2_interrupt,
3965                                         SA_SHIRQ, dev->name, dev);
3966                         }
3967                         if (rc) {
3968                                 bnx2_free_skbs(bp);
3969                                 bnx2_free_mem(bp);
3970                                 del_timer_sync(&bp->timer);
3971                                 return rc;
3972                         }
3973                         bnx2_enable_int(bp);
3974                 }
3975         }
3976         if (bp->flags & USING_MSI_FLAG) {
3977                 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
3978         }
3979
3980         netif_start_queue(dev);
3981
3982         return 0;
3983 }
3984
3985 static void
3986 bnx2_reset_task(void *data)
3987 {
3988         struct bnx2 *bp = data;
3989
3990         if (!netif_running(bp->dev))
3991                 return;
3992
3993         bp->in_reset_task = 1;
3994         bnx2_netif_stop(bp);
3995
3996         bnx2_init_nic(bp);
3997
3998         atomic_set(&bp->intr_sem, 1);
3999         bnx2_netif_start(bp);
4000         bp->in_reset_task = 0;
4001 }
4002
4003 static void
4004 bnx2_tx_timeout(struct net_device *dev)
4005 {
4006         struct bnx2 *bp = dev->priv;
4007
4008         /* This allows the netif to be shutdown gracefully before resetting */
4009         schedule_work(&bp->reset_task);
4010 }
4011
4012 #ifdef BCM_VLAN
4013 /* Called with rtnl_lock */
4014 static void
4015 bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
4016 {
4017         struct bnx2 *bp = dev->priv;
4018
4019         bnx2_netif_stop(bp);
4020
4021         bp->vlgrp = vlgrp;
4022         bnx2_set_rx_mode(dev);
4023
4024         bnx2_netif_start(bp);
4025 }
4026
4027 /* Called with rtnl_lock */
4028 static void
4029 bnx2_vlan_rx_kill_vid(struct net_device *dev, uint16_t vid)
4030 {
4031         struct bnx2 *bp = dev->priv;
4032
4033         bnx2_netif_stop(bp);
4034
4035         if (bp->vlgrp)
4036                 bp->vlgrp->vlan_devices[vid] = NULL;
4037         bnx2_set_rx_mode(dev);
4038
4039         bnx2_netif_start(bp);
4040 }
4041 #endif
4042
4043 /* Called with dev->xmit_lock.
4044  * hard_start_xmit is pseudo-lockless - a lock is only required when
4045  * the tx queue is full. This way, we get the benefit of lockless
4046  * operations most of the time without the complexities to handle
4047  * netif_stop_queue/wake_queue race conditions.
4048  */
4049 static int
4050 bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
4051 {
4052         struct bnx2 *bp = dev->priv;
4053         dma_addr_t mapping;
4054         struct tx_bd *txbd;
4055         struct sw_bd *tx_buf;
4056         u32 len, vlan_tag_flags, last_frag, mss;
4057         u16 prod, ring_prod;
4058         int i;
4059
4060         if (unlikely(atomic_read(&bp->tx_avail_bd) <
4061                 (skb_shinfo(skb)->nr_frags + 1))) {
4062
4063                 netif_stop_queue(dev);
4064                 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
4065                         dev->name);
4066
4067                 return NETDEV_TX_BUSY;
4068         }
4069         len = skb_headlen(skb);
4070         prod = bp->tx_prod;
4071         ring_prod = TX_RING_IDX(prod);
4072
4073         vlan_tag_flags = 0;
4074         if (skb->ip_summed == CHECKSUM_HW) {
4075                 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
4076         }
4077
4078         if (bp->vlgrp != 0 && vlan_tx_tag_present(skb)) {
4079                 vlan_tag_flags |=
4080                         (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
4081         }
4082 #ifdef BCM_TSO 
4083         if ((mss = skb_shinfo(skb)->tso_size) &&
4084                 (skb->len > (bp->dev->mtu + ETH_HLEN))) {
4085                 u32 tcp_opt_len, ip_tcp_len;
4086
4087                 if (skb_header_cloned(skb) &&
4088                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4089                         dev_kfree_skb(skb);
4090                         return NETDEV_TX_OK;
4091                 }
4092
4093                 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
4094                 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
4095
4096                 tcp_opt_len = 0;
4097                 if (skb->h.th->doff > 5) {
4098                         tcp_opt_len = (skb->h.th->doff - 5) << 2;
4099                 }
4100                 ip_tcp_len = (skb->nh.iph->ihl << 2) + sizeof(struct tcphdr);
4101
4102                 skb->nh.iph->check = 0;
4103                 skb->nh.iph->tot_len = ntohs(mss + ip_tcp_len + tcp_opt_len);
4104                 skb->h.th->check =
4105                         ~csum_tcpudp_magic(skb->nh.iph->saddr,
4106                                             skb->nh.iph->daddr,
4107                                             0, IPPROTO_TCP, 0);
4108
4109                 if (tcp_opt_len || (skb->nh.iph->ihl > 5)) {
4110                         vlan_tag_flags |= ((skb->nh.iph->ihl - 5) +
4111                                 (tcp_opt_len >> 2)) << 8;
4112                 }
4113         }
4114         else
4115 #endif
4116         {
4117                 mss = 0;
4118         }
4119
4120         mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4121         
4122         tx_buf = &bp->tx_buf_ring[ring_prod];
4123         tx_buf->skb = skb;
4124         pci_unmap_addr_set(tx_buf, mapping, mapping);
4125
4126         txbd = &bp->tx_desc_ring[ring_prod];
4127
4128         txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
4129         txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
4130         txbd->tx_bd_mss_nbytes = len | (mss << 16);
4131         txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
4132
4133         last_frag = skb_shinfo(skb)->nr_frags;
4134
4135         for (i = 0; i < last_frag; i++) {
4136                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4137
4138                 prod = NEXT_TX_BD(prod);
4139                 ring_prod = TX_RING_IDX(prod);
4140                 txbd = &bp->tx_desc_ring[ring_prod];
4141
4142                 len = frag->size;
4143                 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
4144                         len, PCI_DMA_TODEVICE);
4145                 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
4146                                 mapping, mapping);
4147
4148                 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
4149                 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
4150                 txbd->tx_bd_mss_nbytes = len | (mss << 16);
4151                 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
4152
4153         }
4154         txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
4155
4156         prod = NEXT_TX_BD(prod);
4157         bp->tx_prod_bseq += skb->len;
4158
4159         atomic_sub(last_frag + 1, &bp->tx_avail_bd);
4160
4161         REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, prod);
4162         REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, bp->tx_prod_bseq);
4163
4164         mmiowb();
4165
4166         bp->tx_prod = prod;
4167         dev->trans_start = jiffies;
4168
4169         if (unlikely(atomic_read(&bp->tx_avail_bd) <= MAX_SKB_FRAGS)) {
4170                 unsigned long flags;
4171
4172                 spin_lock_irqsave(&bp->tx_lock, flags);
4173                 if (atomic_read(&bp->tx_avail_bd) <= MAX_SKB_FRAGS) {
4174                         netif_stop_queue(dev);
4175
4176                         if (atomic_read(&bp->tx_avail_bd) > MAX_SKB_FRAGS)
4177                                 netif_wake_queue(dev);
4178                 }
4179                 spin_unlock_irqrestore(&bp->tx_lock, flags);
4180         }
4181
4182         return NETDEV_TX_OK;
4183 }
4184
4185 /* Called with rtnl_lock */
4186 static int
4187 bnx2_close(struct net_device *dev)
4188 {
4189         struct bnx2 *bp = dev->priv;
4190         u32 reset_code;
4191
4192         /* Calling flush_scheduled_work() may deadlock because
4193          * linkwatch_event() may be on the workqueue and it will try to get
4194          * the rtnl_lock which we are holding.
4195          */
4196         while (bp->in_reset_task)
4197                 msleep(1);
4198
4199         bnx2_netif_stop(bp);
4200         del_timer_sync(&bp->timer);
4201         if (bp->wol)
4202                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
4203         else
4204                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
4205         bnx2_reset_chip(bp, reset_code);
4206         free_irq(bp->pdev->irq, dev);
4207         if (bp->flags & USING_MSI_FLAG) {
4208                 pci_disable_msi(bp->pdev);
4209                 bp->flags &= ~USING_MSI_FLAG;
4210         }
4211         bnx2_free_skbs(bp);
4212         bnx2_free_mem(bp);
4213         bp->link_up = 0;
4214         netif_carrier_off(bp->dev);
4215         bnx2_set_power_state(bp, 3);
4216         return 0;
4217 }
4218
4219 #define GET_NET_STATS64(ctr)                                    \
4220         (unsigned long) ((unsigned long) (ctr##_hi) << 32) +    \
4221         (unsigned long) (ctr##_lo)
4222
4223 #define GET_NET_STATS32(ctr)            \
4224         (ctr##_lo)
4225
4226 #if (BITS_PER_LONG == 64)
4227 #define GET_NET_STATS   GET_NET_STATS64
4228 #else
4229 #define GET_NET_STATS   GET_NET_STATS32
4230 #endif
4231
4232 static struct net_device_stats *
4233 bnx2_get_stats(struct net_device *dev)
4234 {
4235         struct bnx2 *bp = dev->priv;
4236         struct statistics_block *stats_blk = bp->stats_blk;
4237         struct net_device_stats *net_stats = &bp->net_stats;
4238
4239         if (bp->stats_blk == NULL) {
4240                 return net_stats;
4241         }
4242         net_stats->rx_packets =
4243                 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
4244                 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
4245                 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
4246
4247         net_stats->tx_packets =
4248                 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
4249                 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
4250                 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
4251
4252         net_stats->rx_bytes =
4253                 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
4254
4255         net_stats->tx_bytes =
4256                 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
4257
4258         net_stats->multicast = 
4259                 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
4260
4261         net_stats->collisions = 
4262                 (unsigned long) stats_blk->stat_EtherStatsCollisions;
4263
4264         net_stats->rx_length_errors = 
4265                 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
4266                 stats_blk->stat_EtherStatsOverrsizePkts);
4267
4268         net_stats->rx_over_errors = 
4269                 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
4270
4271         net_stats->rx_frame_errors = 
4272                 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
4273
4274         net_stats->rx_crc_errors = 
4275                 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
4276
4277         net_stats->rx_errors = net_stats->rx_length_errors +
4278                 net_stats->rx_over_errors + net_stats->rx_frame_errors +
4279                 net_stats->rx_crc_errors;
4280
4281         net_stats->tx_aborted_errors =
4282                 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
4283                 stats_blk->stat_Dot3StatsLateCollisions);
4284
4285         if (CHIP_NUM(bp) == CHIP_NUM_5706)
4286                 net_stats->tx_carrier_errors = 0;
4287         else {
4288                 net_stats->tx_carrier_errors =
4289                         (unsigned long)
4290                         stats_blk->stat_Dot3StatsCarrierSenseErrors;
4291         }
4292
4293         net_stats->tx_errors =
4294                 (unsigned long) 
4295                 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
4296                 +
4297                 net_stats->tx_aborted_errors +
4298                 net_stats->tx_carrier_errors;
4299
4300         return net_stats;
4301 }
4302
4303 /* All ethtool functions called with rtnl_lock */
4304
4305 static int
4306 bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
4307 {
4308         struct bnx2 *bp = dev->priv;
4309
4310         cmd->supported = SUPPORTED_Autoneg;
4311         if (bp->phy_flags & PHY_SERDES_FLAG) {
4312                 cmd->supported |= SUPPORTED_1000baseT_Full |
4313                         SUPPORTED_FIBRE;
4314
4315                 cmd->port = PORT_FIBRE;
4316         }
4317         else {
4318                 cmd->supported |= SUPPORTED_10baseT_Half |
4319                         SUPPORTED_10baseT_Full |
4320                         SUPPORTED_100baseT_Half |
4321                         SUPPORTED_100baseT_Full |
4322                         SUPPORTED_1000baseT_Full |
4323                         SUPPORTED_TP;
4324
4325                 cmd->port = PORT_TP;
4326         }
4327
4328         cmd->advertising = bp->advertising;
4329
4330         if (bp->autoneg & AUTONEG_SPEED) {
4331                 cmd->autoneg = AUTONEG_ENABLE;
4332         }
4333         else {
4334                 cmd->autoneg = AUTONEG_DISABLE;
4335         }
4336
4337         if (netif_carrier_ok(dev)) {
4338                 cmd->speed = bp->line_speed;
4339                 cmd->duplex = bp->duplex;
4340         }
4341         else {
4342                 cmd->speed = -1;
4343                 cmd->duplex = -1;
4344         }
4345
4346         cmd->transceiver = XCVR_INTERNAL;
4347         cmd->phy_address = bp->phy_addr;
4348
4349         return 0;
4350 }
4351   
4352 static int
4353 bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
4354 {
4355         struct bnx2 *bp = dev->priv;
4356         u8 autoneg = bp->autoneg;
4357         u8 req_duplex = bp->req_duplex;
4358         u16 req_line_speed = bp->req_line_speed;
4359         u32 advertising = bp->advertising;
4360
4361         if (cmd->autoneg == AUTONEG_ENABLE) {
4362                 autoneg |= AUTONEG_SPEED;
4363
4364                 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED; 
4365
4366                 /* allow advertising 1 speed */
4367                 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
4368                         (cmd->advertising == ADVERTISED_10baseT_Full) ||
4369                         (cmd->advertising == ADVERTISED_100baseT_Half) ||
4370                         (cmd->advertising == ADVERTISED_100baseT_Full)) {
4371
4372                         if (bp->phy_flags & PHY_SERDES_FLAG)
4373                                 return -EINVAL;
4374
4375                         advertising = cmd->advertising;
4376
4377                 }
4378                 else if (cmd->advertising == ADVERTISED_1000baseT_Full) {
4379                         advertising = cmd->advertising;
4380                 }
4381                 else if (cmd->advertising == ADVERTISED_1000baseT_Half) {
4382                         return -EINVAL;
4383                 }
4384                 else {
4385                         if (bp->phy_flags & PHY_SERDES_FLAG) {
4386                                 advertising = ETHTOOL_ALL_FIBRE_SPEED;
4387                         }
4388                         else {
4389                                 advertising = ETHTOOL_ALL_COPPER_SPEED;
4390                         }
4391                 }
4392                 advertising |= ADVERTISED_Autoneg;
4393         }
4394         else {
4395                 if (bp->phy_flags & PHY_SERDES_FLAG) {
4396                         if ((cmd->speed != SPEED_1000) ||
4397                                 (cmd->duplex != DUPLEX_FULL)) {
4398                                 return -EINVAL;
4399                         }
4400                 }
4401                 else if (cmd->speed == SPEED_1000) {
4402                         return -EINVAL;
4403                 }
4404                 autoneg &= ~AUTONEG_SPEED;
4405                 req_line_speed = cmd->speed;
4406                 req_duplex = cmd->duplex;
4407                 advertising = 0;
4408         }
4409
4410         bp->autoneg = autoneg;
4411         bp->advertising = advertising;
4412         bp->req_line_speed = req_line_speed;
4413         bp->req_duplex = req_duplex;
4414
4415         spin_lock_irq(&bp->phy_lock);
4416
4417         bnx2_setup_phy(bp);
4418
4419         spin_unlock_irq(&bp->phy_lock);
4420
4421         return 0;
4422 }
4423
4424 static void
4425 bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
4426 {
4427         struct bnx2 *bp = dev->priv;
4428
4429         strcpy(info->driver, DRV_MODULE_NAME);
4430         strcpy(info->version, DRV_MODULE_VERSION);
4431         strcpy(info->bus_info, pci_name(bp->pdev));
4432         info->fw_version[0] = ((bp->fw_ver & 0xff000000) >> 24) + '0';
4433         info->fw_version[2] = ((bp->fw_ver & 0xff0000) >> 16) + '0';
4434         info->fw_version[4] = ((bp->fw_ver & 0xff00) >> 8) + '0';
4435         info->fw_version[6] = (bp->fw_ver & 0xff) + '0';
4436         info->fw_version[1] = info->fw_version[3] = info->fw_version[5] = '.';
4437         info->fw_version[7] = 0;
4438 }
4439
4440 static void
4441 bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
4442 {
4443         struct bnx2 *bp = dev->priv;
4444
4445         if (bp->flags & NO_WOL_FLAG) {
4446                 wol->supported = 0;
4447                 wol->wolopts = 0;
4448         }
4449         else {
4450                 wol->supported = WAKE_MAGIC;
4451                 if (bp->wol)
4452                         wol->wolopts = WAKE_MAGIC;
4453                 else
4454                         wol->wolopts = 0;
4455         }
4456         memset(&wol->sopass, 0, sizeof(wol->sopass));
4457 }
4458
4459 static int
4460 bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
4461 {
4462         struct bnx2 *bp = dev->priv;
4463
4464         if (wol->wolopts & ~WAKE_MAGIC)
4465                 return -EINVAL;
4466
4467         if (wol->wolopts & WAKE_MAGIC) {
4468                 if (bp->flags & NO_WOL_FLAG)
4469                         return -EINVAL;
4470
4471                 bp->wol = 1;
4472         }
4473         else {
4474                 bp->wol = 0;
4475         }
4476         return 0;
4477 }
4478
4479 static int
4480 bnx2_nway_reset(struct net_device *dev)
4481 {
4482         struct bnx2 *bp = dev->priv;
4483         u32 bmcr;
4484
4485         if (!(bp->autoneg & AUTONEG_SPEED)) {
4486                 return -EINVAL;
4487         }
4488
4489         spin_lock_irq(&bp->phy_lock);
4490
4491         /* Force a link down visible on the other side */
4492         if (bp->phy_flags & PHY_SERDES_FLAG) {
4493                 bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
4494                 spin_unlock_irq(&bp->phy_lock);
4495
4496                 msleep(20);
4497
4498                 spin_lock_irq(&bp->phy_lock);
4499                 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
4500                         bp->current_interval = SERDES_AN_TIMEOUT;
4501                         bp->serdes_an_pending = 1;
4502                         mod_timer(&bp->timer, jiffies + bp->current_interval);
4503                 }
4504         }
4505
4506         bnx2_read_phy(bp, MII_BMCR, &bmcr);
4507         bmcr &= ~BMCR_LOOPBACK;
4508         bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
4509
4510         spin_unlock_irq(&bp->phy_lock);
4511
4512         return 0;
4513 }
4514
4515 static int
4516 bnx2_get_eeprom_len(struct net_device *dev)
4517 {
4518         struct bnx2 *bp = dev->priv;
4519
4520         if (bp->flash_info == 0)
4521                 return 0;
4522
4523         return (int) bp->flash_info->total_size;
4524 }
4525
4526 static int
4527 bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
4528                 u8 *eebuf)
4529 {
4530         struct bnx2 *bp = dev->priv;
4531         int rc;
4532
4533         if (eeprom->offset > bp->flash_info->total_size)
4534                 return -EINVAL;
4535
4536         if ((eeprom->offset + eeprom->len) > bp->flash_info->total_size)
4537                 eeprom->len = bp->flash_info->total_size - eeprom->offset;
4538
4539         rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
4540
4541         return rc;
4542 }
4543
4544 static int
4545 bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
4546                 u8 *eebuf)
4547 {
4548         struct bnx2 *bp = dev->priv;
4549         int rc;
4550
4551         if (eeprom->offset > bp->flash_info->total_size)
4552                 return -EINVAL;
4553
4554         if ((eeprom->offset + eeprom->len) > bp->flash_info->total_size)
4555                 eeprom->len = bp->flash_info->total_size - eeprom->offset;
4556
4557         rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
4558
4559         return rc;
4560 }
4561
4562 static int
4563 bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
4564 {
4565         struct bnx2 *bp = dev->priv;
4566
4567         memset(coal, 0, sizeof(struct ethtool_coalesce));
4568
4569         coal->rx_coalesce_usecs = bp->rx_ticks;
4570         coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
4571         coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
4572         coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
4573
4574         coal->tx_coalesce_usecs = bp->tx_ticks;
4575         coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
4576         coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
4577         coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
4578
4579         coal->stats_block_coalesce_usecs = bp->stats_ticks;
4580
4581         return 0;
4582 }
4583
4584 static int
4585 bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
4586 {
4587         struct bnx2 *bp = dev->priv;
4588
4589         bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
4590         if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
4591
4592         bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames; 
4593         if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
4594
4595         bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
4596         if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
4597
4598         bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
4599         if (bp->rx_quick_cons_trip_int > 0xff)
4600                 bp->rx_quick_cons_trip_int = 0xff;
4601
4602         bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
4603         if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
4604
4605         bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
4606         if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
4607
4608         bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
4609         if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
4610
4611         bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
4612         if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
4613                 0xff;
4614
4615         bp->stats_ticks = coal->stats_block_coalesce_usecs;
4616         if (bp->stats_ticks > 0xffff00) bp->stats_ticks = 0xffff00;
4617         bp->stats_ticks &= 0xffff00;
4618
4619         if (netif_running(bp->dev)) {
4620                 bnx2_netif_stop(bp);
4621                 bnx2_init_nic(bp);
4622                 bnx2_netif_start(bp);
4623         }
4624
4625         return 0;
4626 }
4627
4628 static void
4629 bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
4630 {
4631         struct bnx2 *bp = dev->priv;
4632
4633         ering->rx_max_pending = MAX_RX_DESC_CNT;
4634         ering->rx_mini_max_pending = 0;
4635         ering->rx_jumbo_max_pending = 0;
4636
4637         ering->rx_pending = bp->rx_ring_size;
4638         ering->rx_mini_pending = 0;
4639         ering->rx_jumbo_pending = 0;
4640
4641         ering->tx_max_pending = MAX_TX_DESC_CNT;
4642         ering->tx_pending = bp->tx_ring_size;
4643 }
4644
4645 static int
4646 bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
4647 {
4648         struct bnx2 *bp = dev->priv;
4649
4650         if ((ering->rx_pending > MAX_RX_DESC_CNT) ||
4651                 (ering->tx_pending > MAX_TX_DESC_CNT) ||
4652                 (ering->tx_pending <= MAX_SKB_FRAGS)) {
4653
4654                 return -EINVAL;
4655         }
4656         bp->rx_ring_size = ering->rx_pending;
4657         bp->tx_ring_size = ering->tx_pending;
4658
4659         if (netif_running(bp->dev)) {
4660                 bnx2_netif_stop(bp);
4661                 bnx2_init_nic(bp);
4662                 bnx2_netif_start(bp);
4663         }
4664
4665         return 0;
4666 }
4667
4668 static void
4669 bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
4670 {
4671         struct bnx2 *bp = dev->priv;
4672
4673         epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
4674         epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
4675         epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
4676 }
4677
4678 static int
4679 bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
4680 {
4681         struct bnx2 *bp = dev->priv;
4682
4683         bp->req_flow_ctrl = 0;
4684         if (epause->rx_pause)
4685                 bp->req_flow_ctrl |= FLOW_CTRL_RX;
4686         if (epause->tx_pause)
4687                 bp->req_flow_ctrl |= FLOW_CTRL_TX;
4688
4689         if (epause->autoneg) {
4690                 bp->autoneg |= AUTONEG_FLOW_CTRL;
4691         }
4692         else {
4693                 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
4694         }
4695
4696         spin_lock_irq(&bp->phy_lock);
4697
4698         bnx2_setup_phy(bp);
4699
4700         spin_unlock_irq(&bp->phy_lock);
4701
4702         return 0;
4703 }
4704
4705 static u32
4706 bnx2_get_rx_csum(struct net_device *dev)
4707 {
4708         struct bnx2 *bp = dev->priv;
4709
4710         return bp->rx_csum;
4711 }
4712
4713 static int
4714 bnx2_set_rx_csum(struct net_device *dev, u32 data)
4715 {
4716         struct bnx2 *bp = dev->priv;
4717
4718         bp->rx_csum = data;
4719         return 0;
4720 }
4721
4722 #define BNX2_NUM_STATS 45
4723
4724 static struct {
4725         char string[ETH_GSTRING_LEN];
4726 } bnx2_stats_str_arr[BNX2_NUM_STATS] = {
4727         { "rx_bytes" },
4728         { "rx_error_bytes" },
4729         { "tx_bytes" },
4730         { "tx_error_bytes" },
4731         { "rx_ucast_packets" },
4732         { "rx_mcast_packets" },
4733         { "rx_bcast_packets" },
4734         { "tx_ucast_packets" },
4735         { "tx_mcast_packets" },
4736         { "tx_bcast_packets" },
4737         { "tx_mac_errors" },
4738         { "tx_carrier_errors" },
4739         { "rx_crc_errors" },
4740         { "rx_align_errors" },
4741         { "tx_single_collisions" },
4742         { "tx_multi_collisions" },
4743         { "tx_deferred" },
4744         { "tx_excess_collisions" },
4745         { "tx_late_collisions" },
4746         { "tx_total_collisions" },
4747         { "rx_fragments" },
4748         { "rx_jabbers" },
4749         { "rx_undersize_packets" },
4750         { "rx_oversize_packets" },
4751         { "rx_64_byte_packets" },
4752         { "rx_65_to_127_byte_packets" },
4753         { "rx_128_to_255_byte_packets" },
4754         { "rx_256_to_511_byte_packets" },
4755         { "rx_512_to_1023_byte_packets" },
4756         { "rx_1024_to_1522_byte_packets" },
4757         { "rx_1523_to_9022_byte_packets" },
4758         { "tx_64_byte_packets" },
4759         { "tx_65_to_127_byte_packets" },
4760         { "tx_128_to_255_byte_packets" },
4761         { "tx_256_to_511_byte_packets" },
4762         { "tx_512_to_1023_byte_packets" },
4763         { "tx_1024_to_1522_byte_packets" },
4764         { "tx_1523_to_9022_byte_packets" },
4765         { "rx_xon_frames" },
4766         { "rx_xoff_frames" },
4767         { "tx_xon_frames" },
4768         { "tx_xoff_frames" },
4769         { "rx_mac_ctrl_frames" },
4770         { "rx_filtered_packets" },
4771         { "rx_discards" },
4772 };
4773
4774 #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
4775
4776 static unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
4777     STATS_OFFSET32(stat_IfHCInOctets_hi),
4778     STATS_OFFSET32(stat_IfHCInBadOctets_hi),
4779     STATS_OFFSET32(stat_IfHCOutOctets_hi),
4780     STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
4781     STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
4782     STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
4783     STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
4784     STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
4785     STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
4786     STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
4787     STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
4788     STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),                 
4789     STATS_OFFSET32(stat_Dot3StatsFCSErrors),                          
4790     STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),                    
4791     STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),              
4792     STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),            
4793     STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),              
4794     STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),                
4795     STATS_OFFSET32(stat_Dot3StatsLateCollisions),                     
4796     STATS_OFFSET32(stat_EtherStatsCollisions),                        
4797     STATS_OFFSET32(stat_EtherStatsFragments),                         
4798     STATS_OFFSET32(stat_EtherStatsJabbers),                           
4799     STATS_OFFSET32(stat_EtherStatsUndersizePkts),                     
4800     STATS_OFFSET32(stat_EtherStatsOverrsizePkts),                     
4801     STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),                    
4802     STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),         
4803     STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),        
4804     STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),        
4805     STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),       
4806     STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),      
4807     STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),      
4808     STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),                    
4809     STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),         
4810     STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),        
4811     STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),        
4812     STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),       
4813     STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),      
4814     STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),      
4815     STATS_OFFSET32(stat_XonPauseFramesReceived),                      
4816     STATS_OFFSET32(stat_XoffPauseFramesReceived),                     
4817     STATS_OFFSET32(stat_OutXonSent),                                  
4818     STATS_OFFSET32(stat_OutXoffSent),                                 
4819     STATS_OFFSET32(stat_MacControlFramesReceived),                    
4820     STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),                  
4821     STATS_OFFSET32(stat_IfInMBUFDiscards),                            
4822 };
4823
4824 /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
4825  * skipped because of errata.
4826  */               
4827 static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
4828         8,0,8,8,8,8,8,8,8,8,
4829         4,0,4,4,4,4,4,4,4,4,
4830         4,4,4,4,4,4,4,4,4,4,
4831         4,4,4,4,4,4,4,4,4,4,
4832         4,4,4,4,4,
4833 };
4834
4835 #define BNX2_NUM_TESTS 6
4836
4837 static struct {
4838         char string[ETH_GSTRING_LEN];
4839 } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
4840         { "register_test (offline)" },
4841         { "memory_test (offline)" },
4842         { "loopback_test (offline)" },
4843         { "nvram_test (online)" },
4844         { "interrupt_test (online)" },
4845         { "link_test (online)" },
4846 };
4847
4848 static int
4849 bnx2_self_test_count(struct net_device *dev)
4850 {
4851         return BNX2_NUM_TESTS;
4852 }
4853
4854 static void
4855 bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
4856 {
4857         struct bnx2 *bp = dev->priv;
4858
4859         memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
4860         if (etest->flags & ETH_TEST_FL_OFFLINE) {
4861                 bnx2_netif_stop(bp);
4862                 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
4863                 bnx2_free_skbs(bp);
4864
4865                 if (bnx2_test_registers(bp) != 0) {
4866                         buf[0] = 1;
4867                         etest->flags |= ETH_TEST_FL_FAILED;
4868                 }
4869                 if (bnx2_test_memory(bp) != 0) {
4870                         buf[1] = 1;
4871                         etest->flags |= ETH_TEST_FL_FAILED;
4872                 }
4873                 if (bnx2_test_loopback(bp) != 0) {
4874                         buf[2] = 1;
4875                         etest->flags |= ETH_TEST_FL_FAILED;
4876                 }
4877
4878                 if (!netif_running(bp->dev)) {
4879                         bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
4880                 }
4881                 else {
4882                         bnx2_init_nic(bp);
4883                         bnx2_netif_start(bp);
4884                 }
4885
4886                 /* wait for link up */
4887                 msleep_interruptible(3000);
4888                 if ((!bp->link_up) && !(bp->phy_flags & PHY_SERDES_FLAG))
4889                         msleep_interruptible(4000);
4890         }
4891
4892         if (bnx2_test_nvram(bp) != 0) {
4893                 buf[3] = 1;
4894                 etest->flags |= ETH_TEST_FL_FAILED;
4895         }
4896         if (bnx2_test_intr(bp) != 0) {
4897                 buf[4] = 1;
4898                 etest->flags |= ETH_TEST_FL_FAILED;
4899         }
4900
4901         if (bnx2_test_link(bp) != 0) {
4902                 buf[5] = 1;
4903                 etest->flags |= ETH_TEST_FL_FAILED;
4904
4905         }
4906 }
4907
4908 static void
4909 bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
4910 {
4911         switch (stringset) {
4912         case ETH_SS_STATS:
4913                 memcpy(buf, bnx2_stats_str_arr,
4914                         sizeof(bnx2_stats_str_arr));
4915                 break;
4916         case ETH_SS_TEST:
4917                 memcpy(buf, bnx2_tests_str_arr,
4918                         sizeof(bnx2_tests_str_arr));
4919                 break;
4920         }
4921 }
4922
4923 static int
4924 bnx2_get_stats_count(struct net_device *dev)
4925 {
4926         return BNX2_NUM_STATS;
4927 }
4928
4929 static void
4930 bnx2_get_ethtool_stats(struct net_device *dev,
4931                 struct ethtool_stats *stats, u64 *buf)
4932 {
4933         struct bnx2 *bp = dev->priv;
4934         int i;
4935         u32 *hw_stats = (u32 *) bp->stats_blk;
4936         u8 *stats_len_arr = NULL;
4937
4938         if (hw_stats == NULL) {
4939                 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
4940                 return;
4941         }
4942
4943         if (CHIP_NUM(bp) == CHIP_NUM_5706)
4944                 stats_len_arr = bnx2_5706_stats_len_arr;
4945
4946         for (i = 0; i < BNX2_NUM_STATS; i++) {
4947                 if (stats_len_arr[i] == 0) {
4948                         /* skip this counter */
4949                         buf[i] = 0;
4950                         continue;
4951                 }
4952                 if (stats_len_arr[i] == 4) {
4953                         /* 4-byte counter */
4954                         buf[i] = (u64)
4955                                 *(hw_stats + bnx2_stats_offset_arr[i]);
4956                         continue;
4957                 }
4958                 /* 8-byte counter */
4959                 buf[i] = (((u64) *(hw_stats +
4960                                         bnx2_stats_offset_arr[i])) << 32) +
4961                                 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
4962         }
4963 }
4964
4965 static int
4966 bnx2_phys_id(struct net_device *dev, u32 data)
4967 {
4968         struct bnx2 *bp = dev->priv;
4969         int i;
4970         u32 save;
4971
4972         if (data == 0)
4973                 data = 2;
4974
4975         save = REG_RD(bp, BNX2_MISC_CFG);
4976         REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
4977
4978         for (i = 0; i < (data * 2); i++) {
4979                 if ((i % 2) == 0) {
4980                         REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
4981                 }
4982                 else {
4983                         REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
4984                                 BNX2_EMAC_LED_1000MB_OVERRIDE |
4985                                 BNX2_EMAC_LED_100MB_OVERRIDE |
4986                                 BNX2_EMAC_LED_10MB_OVERRIDE |
4987                                 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
4988                                 BNX2_EMAC_LED_TRAFFIC);
4989                 }
4990                 msleep_interruptible(500);
4991                 if (signal_pending(current))
4992                         break;
4993         }
4994         REG_WR(bp, BNX2_EMAC_LED, 0);
4995         REG_WR(bp, BNX2_MISC_CFG, save);
4996         return 0;
4997 }
4998
4999 static struct ethtool_ops bnx2_ethtool_ops = {
5000         .get_settings           = bnx2_get_settings,
5001         .set_settings           = bnx2_set_settings,
5002         .get_drvinfo            = bnx2_get_drvinfo,
5003         .get_wol                = bnx2_get_wol,
5004         .set_wol                = bnx2_set_wol,
5005         .nway_reset             = bnx2_nway_reset,
5006         .get_link               = ethtool_op_get_link,
5007         .get_eeprom_len         = bnx2_get_eeprom_len,
5008         .get_eeprom             = bnx2_get_eeprom,
5009         .set_eeprom             = bnx2_set_eeprom,
5010         .get_coalesce           = bnx2_get_coalesce,
5011         .set_coalesce           = bnx2_set_coalesce,
5012         .get_ringparam          = bnx2_get_ringparam,
5013         .set_ringparam          = bnx2_set_ringparam,
5014         .get_pauseparam         = bnx2_get_pauseparam,
5015         .set_pauseparam         = bnx2_set_pauseparam,
5016         .get_rx_csum            = bnx2_get_rx_csum,
5017         .set_rx_csum            = bnx2_set_rx_csum,
5018         .get_tx_csum            = ethtool_op_get_tx_csum,
5019         .set_tx_csum            = ethtool_op_set_tx_csum,
5020         .get_sg                 = ethtool_op_get_sg,
5021         .set_sg                 = ethtool_op_set_sg,
5022 #ifdef BCM_TSO
5023         .get_tso                = ethtool_op_get_tso,
5024         .set_tso                = ethtool_op_set_tso,
5025 #endif
5026         .self_test_count        = bnx2_self_test_count,
5027         .self_test              = bnx2_self_test,
5028         .get_strings            = bnx2_get_strings,
5029         .phys_id                = bnx2_phys_id,
5030         .get_stats_count        = bnx2_get_stats_count,
5031         .get_ethtool_stats      = bnx2_get_ethtool_stats,
5032 };
5033
5034 /* Called with rtnl_lock */
5035 static int
5036 bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
5037 {
5038         struct mii_ioctl_data *data = if_mii(ifr);
5039         struct bnx2 *bp = dev->priv;
5040         int err;
5041
5042         switch(cmd) {
5043         case SIOCGMIIPHY:
5044                 data->phy_id = bp->phy_addr;
5045
5046                 /* fallthru */
5047         case SIOCGMIIREG: {
5048                 u32 mii_regval;
5049
5050                 spin_lock_irq(&bp->phy_lock);
5051                 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
5052                 spin_unlock_irq(&bp->phy_lock);
5053
5054                 data->val_out = mii_regval;
5055
5056                 return err;
5057         }
5058
5059         case SIOCSMIIREG:
5060                 if (!capable(CAP_NET_ADMIN))
5061                         return -EPERM;
5062
5063                 spin_lock_irq(&bp->phy_lock);
5064                 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
5065                 spin_unlock_irq(&bp->phy_lock);
5066
5067                 return err;
5068
5069         default:
5070                 /* do nothing */
5071                 break;
5072         }
5073         return -EOPNOTSUPP;
5074 }
5075
5076 /* Called with rtnl_lock */
5077 static int
5078 bnx2_change_mac_addr(struct net_device *dev, void *p)
5079 {
5080         struct sockaddr *addr = p;
5081         struct bnx2 *bp = dev->priv;
5082
5083         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
5084         if (netif_running(dev))
5085                 bnx2_set_mac_addr(bp);
5086
5087         return 0;
5088 }
5089
5090 /* Called with rtnl_lock */
5091 static int
5092 bnx2_change_mtu(struct net_device *dev, int new_mtu)
5093 {
5094         struct bnx2 *bp = dev->priv;
5095
5096         if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
5097                 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
5098                 return -EINVAL;
5099
5100         dev->mtu = new_mtu;
5101         if (netif_running(dev)) {
5102                 bnx2_netif_stop(bp);
5103
5104                 bnx2_init_nic(bp);
5105
5106                 bnx2_netif_start(bp);
5107         }
5108         return 0;
5109 }
5110
5111 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
5112 static void
5113 poll_bnx2(struct net_device *dev)
5114 {
5115         struct bnx2 *bp = dev->priv;
5116
5117         disable_irq(bp->pdev->irq);
5118         bnx2_interrupt(bp->pdev->irq, dev, NULL);
5119         enable_irq(bp->pdev->irq);
5120 }
5121 #endif
5122
5123 static int __devinit
5124 bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
5125 {
5126         struct bnx2 *bp;
5127         unsigned long mem_len;
5128         int rc;
5129         u32 reg;
5130
5131         SET_MODULE_OWNER(dev);
5132         SET_NETDEV_DEV(dev, &pdev->dev);
5133         bp = dev->priv;
5134
5135         bp->flags = 0;
5136         bp->phy_flags = 0;
5137
5138         /* enable device (incl. PCI PM wakeup), and bus-mastering */
5139         rc = pci_enable_device(pdev);
5140         if (rc) {
5141                 printk(KERN_ERR PFX "Cannot enable PCI device, aborting.");
5142                 goto err_out;
5143         }
5144
5145         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
5146                 printk(KERN_ERR PFX "Cannot find PCI device base address, "
5147                        "aborting.\n");
5148                 rc = -ENODEV;
5149                 goto err_out_disable;
5150         }
5151
5152         rc = pci_request_regions(pdev, DRV_MODULE_NAME);
5153         if (rc) {
5154                 printk(KERN_ERR PFX "Cannot obtain PCI resources, aborting.\n");
5155                 goto err_out_disable;
5156         }
5157
5158         pci_set_master(pdev);
5159
5160         bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
5161         if (bp->pm_cap == 0) {
5162                 printk(KERN_ERR PFX "Cannot find power management capability, "
5163                                "aborting.\n");
5164                 rc = -EIO;
5165                 goto err_out_release;
5166         }
5167
5168         bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
5169         if (bp->pcix_cap == 0) {
5170                 printk(KERN_ERR PFX "Cannot find PCIX capability, aborting.\n");
5171                 rc = -EIO;
5172                 goto err_out_release;
5173         }
5174
5175         if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
5176                 bp->flags |= USING_DAC_FLAG;
5177                 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
5178                         printk(KERN_ERR PFX "pci_set_consistent_dma_mask "
5179                                "failed, aborting.\n");
5180                         rc = -EIO;
5181                         goto err_out_release;
5182                 }
5183         }
5184         else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
5185                 printk(KERN_ERR PFX "System does not support DMA, aborting.\n");
5186                 rc = -EIO;
5187                 goto err_out_release;
5188         }
5189
5190         bp->dev = dev;
5191         bp->pdev = pdev;
5192
5193         spin_lock_init(&bp->phy_lock);
5194         spin_lock_init(&bp->tx_lock);
5195         INIT_WORK(&bp->reset_task, bnx2_reset_task, bp);
5196
5197         dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
5198         mem_len = MB_GET_CID_ADDR(17);
5199         dev->mem_end = dev->mem_start + mem_len;
5200         dev->irq = pdev->irq;
5201
5202         bp->regview = ioremap_nocache(dev->base_addr, mem_len);
5203
5204         if (!bp->regview) {
5205                 printk(KERN_ERR PFX "Cannot map register space, aborting.\n");
5206                 rc = -ENOMEM;
5207                 goto err_out_release;
5208         }
5209
5210         /* Configure byte swap and enable write to the reg_window registers.
5211          * Rely on CPU to do target byte swapping on big endian systems
5212          * The chip's target access swapping will not swap all accesses
5213          */
5214         pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
5215                                BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
5216                                BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
5217
5218         bnx2_set_power_state(bp, 0);
5219
5220         bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
5221
5222         bp->phy_addr = 1;
5223
5224         /* Get bus information. */
5225         reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
5226         if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
5227                 u32 clkreg;
5228
5229                 bp->flags |= PCIX_FLAG;
5230
5231                 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
5232                 
5233                 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
5234                 switch (clkreg) {
5235                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
5236                         bp->bus_speed_mhz = 133;
5237                         break;
5238
5239                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
5240                         bp->bus_speed_mhz = 100;
5241                         break;
5242
5243                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
5244                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
5245                         bp->bus_speed_mhz = 66;
5246                         break;
5247
5248                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
5249                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
5250                         bp->bus_speed_mhz = 50;
5251                         break;
5252
5253                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
5254                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
5255                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
5256                         bp->bus_speed_mhz = 33;
5257                         break;
5258                 }
5259         }
5260         else {
5261                 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
5262                         bp->bus_speed_mhz = 66;
5263                 else
5264                         bp->bus_speed_mhz = 33;
5265         }
5266
5267         if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
5268                 bp->flags |= PCI_32BIT_FLAG;
5269
5270         /* 5706A0 may falsely detect SERR and PERR. */
5271         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
5272                 reg = REG_RD(bp, PCI_COMMAND);
5273                 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
5274                 REG_WR(bp, PCI_COMMAND, reg);
5275         }
5276         else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
5277                 !(bp->flags & PCIX_FLAG)) {
5278
5279                 printk(KERN_ERR PFX "5706 A1 can only be used in a PCIX bus, "
5280                        "aborting.\n");
5281                 goto err_out_unmap;
5282         }
5283
5284         bnx2_init_nvram(bp);
5285
5286         /* Get the permanent MAC address.  First we need to make sure the
5287          * firmware is actually running.
5288          */
5289         reg = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_DEV_INFO_SIGNATURE);
5290
5291         if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
5292             BNX2_DEV_INFO_SIGNATURE_MAGIC) {
5293                 printk(KERN_ERR PFX "Firmware not running, aborting.\n");
5294                 rc = -ENODEV;
5295                 goto err_out_unmap;
5296         }
5297
5298         bp->fw_ver = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE +
5299                                 BNX2_DEV_INFO_BC_REV);
5300
5301         reg = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_PORT_HW_CFG_MAC_UPPER);
5302         bp->mac_addr[0] = (u8) (reg >> 8);
5303         bp->mac_addr[1] = (u8) reg;
5304
5305         reg = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE + BNX2_PORT_HW_CFG_MAC_LOWER);
5306         bp->mac_addr[2] = (u8) (reg >> 24);
5307         bp->mac_addr[3] = (u8) (reg >> 16);
5308         bp->mac_addr[4] = (u8) (reg >> 8);
5309         bp->mac_addr[5] = (u8) reg;
5310
5311         bp->tx_ring_size = MAX_TX_DESC_CNT;
5312         bp->rx_ring_size = 100;
5313
5314         bp->rx_csum = 1;
5315
5316         bp->rx_offset = sizeof(struct l2_fhdr) + 2;
5317
5318         bp->tx_quick_cons_trip_int = 20;
5319         bp->tx_quick_cons_trip = 20;
5320         bp->tx_ticks_int = 80;
5321         bp->tx_ticks = 80;
5322                 
5323         bp->rx_quick_cons_trip_int = 6;
5324         bp->rx_quick_cons_trip = 6;
5325         bp->rx_ticks_int = 18;
5326         bp->rx_ticks = 18;
5327
5328         bp->stats_ticks = 1000000 & 0xffff00;
5329
5330         bp->timer_interval =  HZ;
5331         bp->current_interval =  HZ;
5332
5333         /* Disable WOL support if we are running on a SERDES chip. */
5334         if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT) {
5335                 bp->phy_flags |= PHY_SERDES_FLAG;
5336                 bp->flags |= NO_WOL_FLAG;
5337         }
5338
5339         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
5340                 bp->tx_quick_cons_trip_int =
5341                         bp->tx_quick_cons_trip;
5342                 bp->tx_ticks_int = bp->tx_ticks;
5343                 bp->rx_quick_cons_trip_int =
5344                         bp->rx_quick_cons_trip;
5345                 bp->rx_ticks_int = bp->rx_ticks;
5346                 bp->comp_prod_trip_int = bp->comp_prod_trip;
5347                 bp->com_ticks_int = bp->com_ticks;
5348                 bp->cmd_ticks_int = bp->cmd_ticks;
5349         }
5350
5351         bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
5352         bp->req_line_speed = 0;
5353         if (bp->phy_flags & PHY_SERDES_FLAG) {
5354                 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
5355
5356                 reg = REG_RD_IND(bp, HOST_VIEW_SHMEM_BASE +
5357                                  BNX2_PORT_HW_CFG_CONFIG);
5358                 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
5359                 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
5360                         bp->autoneg = 0;
5361                         bp->req_line_speed = bp->line_speed = SPEED_1000;
5362                         bp->req_duplex = DUPLEX_FULL;
5363                 }
5364         }
5365         else {
5366                 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
5367         }
5368
5369         bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
5370
5371         init_timer(&bp->timer);
5372         bp->timer.expires = RUN_AT(bp->timer_interval);
5373         bp->timer.data = (unsigned long) bp;
5374         bp->timer.function = bnx2_timer;
5375
5376         return 0;
5377
5378 err_out_unmap:
5379         if (bp->regview) {
5380                 iounmap(bp->regview);
5381         }
5382
5383 err_out_release:
5384         pci_release_regions(pdev);
5385
5386 err_out_disable:
5387         pci_disable_device(pdev);
5388         pci_set_drvdata(pdev, NULL);
5389
5390 err_out:
5391         return rc;
5392 }
5393
5394 static int __devinit
5395 bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
5396 {
5397         static int version_printed = 0;
5398         struct net_device *dev = NULL;
5399         struct bnx2 *bp;
5400         int rc, i;
5401
5402         if (version_printed++ == 0)
5403                 printk(KERN_INFO "%s", version);
5404
5405         /* dev zeroed in init_etherdev */
5406         dev = alloc_etherdev(sizeof(*bp));
5407
5408         if (!dev)
5409                 return -ENOMEM;
5410
5411         rc = bnx2_init_board(pdev, dev);
5412         if (rc < 0) {
5413                 free_netdev(dev);
5414                 return rc;
5415         }
5416
5417         dev->open = bnx2_open;
5418         dev->hard_start_xmit = bnx2_start_xmit;
5419         dev->stop = bnx2_close;
5420         dev->get_stats = bnx2_get_stats;
5421         dev->set_multicast_list = bnx2_set_rx_mode;
5422         dev->do_ioctl = bnx2_ioctl;
5423         dev->set_mac_address = bnx2_change_mac_addr;
5424         dev->change_mtu = bnx2_change_mtu;
5425         dev->tx_timeout = bnx2_tx_timeout;
5426         dev->watchdog_timeo = TX_TIMEOUT;
5427 #ifdef BCM_VLAN
5428         dev->vlan_rx_register = bnx2_vlan_rx_register;
5429         dev->vlan_rx_kill_vid = bnx2_vlan_rx_kill_vid;
5430 #endif
5431         dev->poll = bnx2_poll;
5432         dev->ethtool_ops = &bnx2_ethtool_ops;
5433         dev->weight = 64;
5434
5435         bp = dev->priv;
5436
5437 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
5438         dev->poll_controller = poll_bnx2;
5439 #endif
5440
5441         if ((rc = register_netdev(dev))) {
5442                 printk(KERN_ERR PFX "Cannot register net device\n");
5443                 if (bp->regview)
5444                         iounmap(bp->regview);
5445                 pci_release_regions(pdev);
5446                 pci_disable_device(pdev);
5447                 pci_set_drvdata(pdev, NULL);
5448                 free_netdev(dev);
5449                 return rc;
5450         }
5451
5452         pci_set_drvdata(pdev, dev);
5453
5454         memcpy(dev->dev_addr, bp->mac_addr, 6);
5455         bp->name = board_info[ent->driver_data].name,
5456         printk(KERN_INFO "%s: %s (%c%d) PCI%s %s %dMHz found at mem %lx, "
5457                 "IRQ %d, ",
5458                 dev->name,
5459                 bp->name,
5460                 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
5461                 ((CHIP_ID(bp) & 0x0ff0) >> 4),
5462                 ((bp->flags & PCIX_FLAG) ? "-X" : ""),
5463                 ((bp->flags & PCI_32BIT_FLAG) ? "32-bit" : "64-bit"),
5464                 bp->bus_speed_mhz,
5465                 dev->base_addr,
5466                 bp->pdev->irq);
5467
5468         printk("node addr ");
5469         for (i = 0; i < 6; i++)
5470                 printk("%2.2x", dev->dev_addr[i]);
5471         printk("\n");
5472
5473         dev->features |= NETIF_F_SG;
5474         if (bp->flags & USING_DAC_FLAG)
5475                 dev->features |= NETIF_F_HIGHDMA;
5476         dev->features |= NETIF_F_IP_CSUM;
5477 #ifdef BCM_VLAN
5478         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
5479 #endif
5480 #ifdef BCM_TSO
5481         dev->features |= NETIF_F_TSO;
5482 #endif
5483
5484         netif_carrier_off(bp->dev);
5485
5486         return 0;
5487 }
5488
5489 static void __devexit
5490 bnx2_remove_one(struct pci_dev *pdev)
5491 {
5492         struct net_device *dev = pci_get_drvdata(pdev);
5493         struct bnx2 *bp = dev->priv;
5494
5495         flush_scheduled_work();
5496
5497         unregister_netdev(dev);
5498
5499         if (bp->regview)
5500                 iounmap(bp->regview);
5501
5502         free_netdev(dev);
5503         pci_release_regions(pdev);
5504         pci_disable_device(pdev);
5505         pci_set_drvdata(pdev, NULL);
5506 }
5507
5508 static int
5509 bnx2_suspend(struct pci_dev *pdev, u32 state)
5510 {
5511         struct net_device *dev = pci_get_drvdata(pdev);
5512         struct bnx2 *bp = dev->priv;
5513         u32 reset_code;
5514
5515         if (!netif_running(dev))
5516                 return 0;
5517
5518         bnx2_netif_stop(bp);
5519         netif_device_detach(dev);
5520         del_timer_sync(&bp->timer);
5521         if (bp->wol)
5522                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5523         else
5524                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5525         bnx2_reset_chip(bp, reset_code);
5526         bnx2_free_skbs(bp);
5527         bnx2_set_power_state(bp, state);
5528         return 0;
5529 }
5530
5531 static int
5532 bnx2_resume(struct pci_dev *pdev)
5533 {
5534         struct net_device *dev = pci_get_drvdata(pdev);
5535         struct bnx2 *bp = dev->priv;
5536
5537         if (!netif_running(dev))
5538                 return 0;
5539
5540         bnx2_set_power_state(bp, 0);
5541         netif_device_attach(dev);
5542         bnx2_init_nic(bp);
5543         bnx2_netif_start(bp);
5544         return 0;
5545 }
5546
5547 static struct pci_driver bnx2_pci_driver = {
5548         .name           = DRV_MODULE_NAME,
5549         .id_table       = bnx2_pci_tbl,
5550         .probe          = bnx2_init_one,
5551         .remove         = __devexit_p(bnx2_remove_one),
5552         .suspend        = bnx2_suspend,
5553         .resume         = bnx2_resume,
5554 };
5555
5556 static int __init bnx2_init(void)
5557 {
5558         return pci_module_init(&bnx2_pci_driver);
5559 }
5560
5561 static void __exit bnx2_cleanup(void)
5562 {
5563         pci_unregister_driver(&bnx2_pci_driver);
5564 }
5565
5566 module_init(bnx2_init);
5567 module_exit(bnx2_cleanup);
5568
5569
5570