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[TG3]: Refine DMA boundary setting.
[linux-2.6/verdex.git] / drivers / net / tg3.c
blob4ab9680ffbd23bf804c4427650832763f084dfba
1 /*
2 * tg3.c: Broadcom Tigon3 ethernet driver.
3 *
4 * Copyright (C) 2001, 2002, 2003, 2004 David S. Miller (davem@redhat.com)
5 * Copyright (C) 2001, 2002, 2003 Jeff Garzik (jgarzik@pobox.com)
6 * Copyright (C) 2004 Sun Microsystems Inc.
7 * Copyright (C) 2005 Broadcom Corporation.
8 *
9 * Firmware is:
10 * Copyright (C) 2000-2003 Broadcom Corporation.
11 */
12
13 #include <linux/config.h>
14
15 #include <linux/module.h>
16 #include <linux/moduleparam.h>
17 #include <linux/kernel.h>
18 #include <linux/types.h>
19 #include <linux/compiler.h>
20 #include <linux/slab.h>
21 #include <linux/delay.h>
22 #include <linux/init.h>
23 #include <linux/ioport.h>
24 #include <linux/pci.h>
25 #include <linux/netdevice.h>
26 #include <linux/etherdevice.h>
27 #include <linux/skbuff.h>
28 #include <linux/ethtool.h>
29 #include <linux/mii.h>
30 #include <linux/if_vlan.h>
31 #include <linux/ip.h>
32 #include <linux/tcp.h>
33 #include <linux/workqueue.h>
34
35 #include <net/checksum.h>
36
37 #include <asm/system.h>
38 #include <asm/io.h>
39 #include <asm/byteorder.h>
40 #include <asm/uaccess.h>
41
42 #ifdef CONFIG_SPARC64
43 #include <asm/idprom.h>
44 #include <asm/oplib.h>
45 #include <asm/pbm.h>
46 #endif
47
48 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
49 #define TG3_VLAN_TAG_USED 1
50 #else
51 #define TG3_VLAN_TAG_USED 0
52 #endif
53
54 #ifdef NETIF_F_TSO
55 #define TG3_TSO_SUPPORT 1
56 #else
57 #define TG3_TSO_SUPPORT 0
58 #endif
59
60 #include "tg3.h"
61
62 #define DRV_MODULE_NAME "tg3"
63 #define PFX DRV_MODULE_NAME ": "
64 #define DRV_MODULE_VERSION "3.27"
65 #define DRV_MODULE_RELDATE "May 5, 2005"
66
67 #define TG3_DEF_MAC_MODE 0
68 #define TG3_DEF_RX_MODE 0
69 #define TG3_DEF_TX_MODE 0
70 #define TG3_DEF_MSG_ENABLE \
71 (NETIF_MSG_DRV | \
72 NETIF_MSG_PROBE | \
73 NETIF_MSG_LINK | \
74 NETIF_MSG_TIMER | \
75 NETIF_MSG_IFDOWN | \
76 NETIF_MSG_IFUP | \
77 NETIF_MSG_RX_ERR | \
78 NETIF_MSG_TX_ERR)
79
80 /* length of time before we decide the hardware is borked,
81 * and dev->tx_timeout() should be called to fix the problem
82 */
83 #define TG3_TX_TIMEOUT (5 * HZ)
84
85 /* hardware minimum and maximum for a single frame's data payload */
86 #define TG3_MIN_MTU 60
87 #define TG3_MAX_MTU(tp) \
88 (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ? 9000 : 1500)
89
90 /* These numbers seem to be hard coded in the NIC firmware somehow.
91 * You can't change the ring sizes, but you can change where you place
92 * them in the NIC onboard memory.
93 */
94 #define TG3_RX_RING_SIZE 512
95 #define TG3_DEF_RX_RING_PENDING 200
96 #define TG3_RX_JUMBO_RING_SIZE 256
97 #define TG3_DEF_RX_JUMBO_RING_PENDING 100
98
99 /* Do not place this n-ring entries value into the tp struct itself,
100 * we really want to expose these constants to GCC so that modulo et
101 * al. operations are done with shifts and masks instead of with
102 * hw multiply/modulo instructions. Another solution would be to
103 * replace things like '% foo' with '& (foo - 1)'.
104 */
105 #define TG3_RX_RCB_RING_SIZE(tp) \
106 ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ? 512 : 1024)
107
108 #define TG3_TX_RING_SIZE 512
109 #define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
110
111 #define TG3_RX_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
112 TG3_RX_RING_SIZE)
113 #define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
114 TG3_RX_JUMBO_RING_SIZE)
115 #define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
116 TG3_RX_RCB_RING_SIZE(tp))
117 #define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
118 TG3_TX_RING_SIZE)
119 #define TX_RING_GAP(TP) \
120 (TG3_TX_RING_SIZE - (TP)->tx_pending)
121 #define TX_BUFFS_AVAIL(TP) \
122 (((TP)->tx_cons <= (TP)->tx_prod) ? \
123 (TP)->tx_cons + (TP)->tx_pending - (TP)->tx_prod : \
124 (TP)->tx_cons - (TP)->tx_prod - TX_RING_GAP(TP))
125 #define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
126
127 #define RX_PKT_BUF_SZ (1536 + tp->rx_offset + 64)
128 #define RX_JUMBO_PKT_BUF_SZ (9046 + tp->rx_offset + 64)
129
130 /* minimum number of free TX descriptors required to wake up TX process */
131 #define TG3_TX_WAKEUP_THRESH (TG3_TX_RING_SIZE / 4)
132
133 /* number of ETHTOOL_GSTATS u64's */
134 #define TG3_NUM_STATS (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
135
136 static char version[] __devinitdata =
137 DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
138
139 MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
140 MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
141 MODULE_LICENSE("GPL");
142 MODULE_VERSION(DRV_MODULE_VERSION);
143
144 static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
145 module_param(tg3_debug, int, 0);
146 MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
147
148 static struct pci_device_id tg3_pci_tbl[] = {
149 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700,
150 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
151 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701,
152 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
153 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702,
154 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
155 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703,
156 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
157 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704,
158 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
159 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE,
160 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
161 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705,
162 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
163 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2,
164 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
165 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M,
166 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
167 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2,
168 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
169 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X,
170 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
171 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X,
172 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
173 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S,
174 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
175 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3,
176 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
177 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3,
178 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
179 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782,
180 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
181 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788,
182 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
183 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789,
184 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
185 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901,
186 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
187 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2,
188 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
189 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2,
190 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
191 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F,
192 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
193 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720,
194 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
195 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721,
196 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
197 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750,
198 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
199 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751,
200 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
201 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M,
202 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
203 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M,
204 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
205 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F,
206 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
207 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752,
208 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
209 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753,
210 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
211 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M,
212 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
213 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F,
214 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
215 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781,
216 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
217 { PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX,
218 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
219 { PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX,
220 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
221 { PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000,
222 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
223 { PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001,
224 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
225 { PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003,
226 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
227 { PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100,
228 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
229 { PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3,
230 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
231 { 0, }
232 };
233
234 MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
235
236 static struct {
237 const char string[ETH_GSTRING_LEN];
238 } ethtool_stats_keys[TG3_NUM_STATS] = {
239 { "rx_octets" },
240 { "rx_fragments" },
241 { "rx_ucast_packets" },
242 { "rx_mcast_packets" },
243 { "rx_bcast_packets" },
244 { "rx_fcs_errors" },
245 { "rx_align_errors" },
246 { "rx_xon_pause_rcvd" },
247 { "rx_xoff_pause_rcvd" },
248 { "rx_mac_ctrl_rcvd" },
249 { "rx_xoff_entered" },
250 { "rx_frame_too_long_errors" },
251 { "rx_jabbers" },
252 { "rx_undersize_packets" },
253 { "rx_in_length_errors" },
254 { "rx_out_length_errors" },
255 { "rx_64_or_less_octet_packets" },
256 { "rx_65_to_127_octet_packets" },
257 { "rx_128_to_255_octet_packets" },
258 { "rx_256_to_511_octet_packets" },
259 { "rx_512_to_1023_octet_packets" },
260 { "rx_1024_to_1522_octet_packets" },
261 { "rx_1523_to_2047_octet_packets" },
262 { "rx_2048_to_4095_octet_packets" },
263 { "rx_4096_to_8191_octet_packets" },
264 { "rx_8192_to_9022_octet_packets" },
265
266 { "tx_octets" },
267 { "tx_collisions" },
268
269 { "tx_xon_sent" },
270 { "tx_xoff_sent" },
271 { "tx_flow_control" },
272 { "tx_mac_errors" },
273 { "tx_single_collisions" },
274 { "tx_mult_collisions" },
275 { "tx_deferred" },
276 { "tx_excessive_collisions" },
277 { "tx_late_collisions" },
278 { "tx_collide_2times" },
279 { "tx_collide_3times" },
280 { "tx_collide_4times" },
281 { "tx_collide_5times" },
282 { "tx_collide_6times" },
283 { "tx_collide_7times" },
284 { "tx_collide_8times" },
285 { "tx_collide_9times" },
286 { "tx_collide_10times" },
287 { "tx_collide_11times" },
288 { "tx_collide_12times" },
289 { "tx_collide_13times" },
290 { "tx_collide_14times" },
291 { "tx_collide_15times" },
292 { "tx_ucast_packets" },
293 { "tx_mcast_packets" },
294 { "tx_bcast_packets" },
295 { "tx_carrier_sense_errors" },
296 { "tx_discards" },
297 { "tx_errors" },
298
299 { "dma_writeq_full" },
300 { "dma_write_prioq_full" },
301 { "rxbds_empty" },
302 { "rx_discards" },
303 { "rx_errors" },
304 { "rx_threshold_hit" },
305
306 { "dma_readq_full" },
307 { "dma_read_prioq_full" },
308 { "tx_comp_queue_full" },
309
310 { "ring_set_send_prod_index" },
311 { "ring_status_update" },
312 { "nic_irqs" },
313 { "nic_avoided_irqs" },
314 { "nic_tx_threshold_hit" }
315 };
316
317 static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
318 {
319 if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) != 0) {
320 unsigned long flags;
321
322 spin_lock_irqsave(&tp->indirect_lock, flags);
323 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
324 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
325 spin_unlock_irqrestore(&tp->indirect_lock, flags);
326 } else {
327 writel(val, tp->regs + off);
328 if ((tp->tg3_flags & TG3_FLAG_5701_REG_WRITE_BUG) != 0)
329 readl(tp->regs + off);
330 }
331 }
332
333 static void _tw32_flush(struct tg3 *tp, u32 off, u32 val)
334 {
335 if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) != 0) {
336 unsigned long flags;
337
338 spin_lock_irqsave(&tp->indirect_lock, flags);
339 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
340 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
341 spin_unlock_irqrestore(&tp->indirect_lock, flags);
342 } else {
343 void __iomem *dest = tp->regs + off;
344 writel(val, dest);
345 readl(dest); /* always flush PCI write */
346 }
347 }
348
349 static inline void _tw32_rx_mbox(struct tg3 *tp, u32 off, u32 val)
350 {
351 void __iomem *mbox = tp->regs + off;
352 writel(val, mbox);
353 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
354 readl(mbox);
355 }
356
357 static inline void _tw32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
358 {
359 void __iomem *mbox = tp->regs + off;
360 writel(val, mbox);
361 if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
362 writel(val, mbox);
363 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
364 readl(mbox);
365 }
366
367 #define tw32_mailbox(reg, val) writel(((val) & 0xffffffff), tp->regs + (reg))
368 #define tw32_rx_mbox(reg, val) _tw32_rx_mbox(tp, reg, val)
369 #define tw32_tx_mbox(reg, val) _tw32_tx_mbox(tp, reg, val)
370
371 #define tw32(reg,val) tg3_write_indirect_reg32(tp,(reg),(val))
372 #define tw32_f(reg,val) _tw32_flush(tp,(reg),(val))
373 #define tw16(reg,val) writew(((val) & 0xffff), tp->regs + (reg))
374 #define tw8(reg,val) writeb(((val) & 0xff), tp->regs + (reg))
375 #define tr32(reg) readl(tp->regs + (reg))
376 #define tr16(reg) readw(tp->regs + (reg))
377 #define tr8(reg) readb(tp->regs + (reg))
378
379 static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
380 {
381 unsigned long flags;
382
383 spin_lock_irqsave(&tp->indirect_lock, flags);
384 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
385 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
386
387 /* Always leave this as zero. */
388 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
389 spin_unlock_irqrestore(&tp->indirect_lock, flags);
390 }
391
392 static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
393 {
394 unsigned long flags;
395
396 spin_lock_irqsave(&tp->indirect_lock, flags);
397 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
398 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
399
400 /* Always leave this as zero. */
401 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
402 spin_unlock_irqrestore(&tp->indirect_lock, flags);
403 }
404
405 static void tg3_disable_ints(struct tg3 *tp)
406 {
407 tw32(TG3PCI_MISC_HOST_CTRL,
408 (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
409 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
410 tr32(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW);
411 }
412
413 static inline void tg3_cond_int(struct tg3 *tp)
414 {
415 if (tp->hw_status->status & SD_STATUS_UPDATED)
416 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
417 }
418
419 static void tg3_enable_ints(struct tg3 *tp)
420 {
421 tw32(TG3PCI_MISC_HOST_CTRL,
422 (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
423 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
424 (tp->last_tag << 24));
425 tr32(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW);
426
427 tg3_cond_int(tp);
428 }
429
430 static inline unsigned int tg3_has_work(struct tg3 *tp)
431 {
432 struct tg3_hw_status *sblk = tp->hw_status;
433 unsigned int work_exists = 0;
434
435 /* check for phy events */
436 if (!(tp->tg3_flags &
437 (TG3_FLAG_USE_LINKCHG_REG |
438 TG3_FLAG_POLL_SERDES))) {
439 if (sblk->status & SD_STATUS_LINK_CHG)
440 work_exists = 1;
441 }
442 /* check for RX/TX work to do */
443 if (sblk->idx[0].tx_consumer != tp->tx_cons ||
444 sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
445 work_exists = 1;
446
447 return work_exists;
448 }
449
450 /* tg3_restart_ints
451 * similar to tg3_enable_ints, but it accurately determines whether there
452 * is new work pending and can return without flushing the PIO write
453 * which reenables interrupts
454 */
455 static void tg3_restart_ints(struct tg3 *tp)
456 {
457 tw32(TG3PCI_MISC_HOST_CTRL,
458 (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
459 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
460 tp->last_tag << 24);
461 mmiowb();
462
463 /* When doing tagged status, this work check is unnecessary.
464 * The last_tag we write above tells the chip which piece of
465 * work we've completed.
466 */
467 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
468 tg3_has_work(tp))
469 tw32(HOSTCC_MODE, tp->coalesce_mode |
470 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
471 }
472
473 static inline void tg3_netif_stop(struct tg3 *tp)
474 {
475 netif_poll_disable(tp->dev);
476 netif_tx_disable(tp->dev);
477 }
478
479 static inline void tg3_netif_start(struct tg3 *tp)
480 {
481 netif_wake_queue(tp->dev);
482 /* NOTE: unconditional netif_wake_queue is only appropriate
483 * so long as all callers are assured to have free tx slots
484 * (such as after tg3_init_hw)
485 */
486 netif_poll_enable(tp->dev);
487 tg3_cond_int(tp);
488 }
489
490 static void tg3_switch_clocks(struct tg3 *tp)
491 {
492 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
493 u32 orig_clock_ctrl;
494
495 orig_clock_ctrl = clock_ctrl;
496 clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
497 CLOCK_CTRL_CLKRUN_OENABLE |
498 0x1f);
499 tp->pci_clock_ctrl = clock_ctrl;
500
501 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
502 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
503 tw32_f(TG3PCI_CLOCK_CTRL,
504 clock_ctrl | CLOCK_CTRL_625_CORE);
505 udelay(40);
506 }
507 } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
508 tw32_f(TG3PCI_CLOCK_CTRL,
509 clock_ctrl |
510 (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK));
511 udelay(40);
512 tw32_f(TG3PCI_CLOCK_CTRL,
513 clock_ctrl | (CLOCK_CTRL_ALTCLK));
514 udelay(40);
515 }
516 tw32_f(TG3PCI_CLOCK_CTRL, clock_ctrl);
517 udelay(40);
518 }
519
520 #define PHY_BUSY_LOOPS 5000
521
522 static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
523 {
524 u32 frame_val;
525 unsigned int loops;
526 int ret;
527
528 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
529 tw32_f(MAC_MI_MODE,
530 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
531 udelay(80);
532 }
533
534 *val = 0x0;
535
536 frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
537 MI_COM_PHY_ADDR_MASK);
538 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
539 MI_COM_REG_ADDR_MASK);
540 frame_val |= (MI_COM_CMD_READ | MI_COM_START);
541
542 tw32_f(MAC_MI_COM, frame_val);
543
544 loops = PHY_BUSY_LOOPS;
545 while (loops != 0) {
546 udelay(10);
547 frame_val = tr32(MAC_MI_COM);
548
549 if ((frame_val & MI_COM_BUSY) == 0) {
550 udelay(5);
551 frame_val = tr32(MAC_MI_COM);
552 break;
553 }
554 loops -= 1;
555 }
556
557 ret = -EBUSY;
558 if (loops != 0) {
559 *val = frame_val & MI_COM_DATA_MASK;
560 ret = 0;
561 }
562
563 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
564 tw32_f(MAC_MI_MODE, tp->mi_mode);
565 udelay(80);
566 }
567
568 return ret;
569 }
570
571 static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
572 {
573 u32 frame_val;
574 unsigned int loops;
575 int ret;
576
577 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
578 tw32_f(MAC_MI_MODE,
579 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
580 udelay(80);
581 }
582
583 frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
584 MI_COM_PHY_ADDR_MASK);
585 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
586 MI_COM_REG_ADDR_MASK);
587 frame_val |= (val & MI_COM_DATA_MASK);
588 frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
589
590 tw32_f(MAC_MI_COM, frame_val);
591
592 loops = PHY_BUSY_LOOPS;
593 while (loops != 0) {
594 udelay(10);
595 frame_val = tr32(MAC_MI_COM);
596 if ((frame_val & MI_COM_BUSY) == 0) {
597 udelay(5);
598 frame_val = tr32(MAC_MI_COM);
599 break;
600 }
601 loops -= 1;
602 }
603
604 ret = -EBUSY;
605 if (loops != 0)
606 ret = 0;
607
608 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
609 tw32_f(MAC_MI_MODE, tp->mi_mode);
610 udelay(80);
611 }
612
613 return ret;
614 }
615
616 static void tg3_phy_set_wirespeed(struct tg3 *tp)
617 {
618 u32 val;
619
620 if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
621 return;
622
623 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
624 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
625 tg3_writephy(tp, MII_TG3_AUX_CTRL,
626 (val | (1 << 15) | (1 << 4)));
627 }
628
629 static int tg3_bmcr_reset(struct tg3 *tp)
630 {
631 u32 phy_control;
632 int limit, err;
633
634 /* OK, reset it, and poll the BMCR_RESET bit until it
635 * clears or we time out.
636 */
637 phy_control = BMCR_RESET;
638 err = tg3_writephy(tp, MII_BMCR, phy_control);
639 if (err != 0)
640 return -EBUSY;
641
642 limit = 5000;
643 while (limit--) {
644 err = tg3_readphy(tp, MII_BMCR, &phy_control);
645 if (err != 0)
646 return -EBUSY;
647
648 if ((phy_control & BMCR_RESET) == 0) {
649 udelay(40);
650 break;
651 }
652 udelay(10);
653 }
654 if (limit <= 0)
655 return -EBUSY;
656
657 return 0;
658 }
659
660 static int tg3_wait_macro_done(struct tg3 *tp)
661 {
662 int limit = 100;
663
664 while (limit--) {
665 u32 tmp32;
666
667 if (!tg3_readphy(tp, 0x16, &tmp32)) {
668 if ((tmp32 & 0x1000) == 0)
669 break;
670 }
671 }
672 if (limit <= 0)
673 return -EBUSY;
674
675 return 0;
676 }
677
678 static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
679 {
680 static const u32 test_pat[4][6] = {
681 { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
682 { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
683 { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
684 { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
685 };
686 int chan;
687
688 for (chan = 0; chan < 4; chan++) {
689 int i;
690
691 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
692 (chan * 0x2000) | 0x0200);
693 tg3_writephy(tp, 0x16, 0x0002);
694
695 for (i = 0; i < 6; i++)
696 tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
697 test_pat[chan][i]);
698
699 tg3_writephy(tp, 0x16, 0x0202);
700 if (tg3_wait_macro_done(tp)) {
701 *resetp = 1;
702 return -EBUSY;
703 }
704
705 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
706 (chan * 0x2000) | 0x0200);
707 tg3_writephy(tp, 0x16, 0x0082);
708 if (tg3_wait_macro_done(tp)) {
709 *resetp = 1;
710 return -EBUSY;
711 }
712
713 tg3_writephy(tp, 0x16, 0x0802);
714 if (tg3_wait_macro_done(tp)) {
715 *resetp = 1;
716 return -EBUSY;
717 }
718
719 for (i = 0; i < 6; i += 2) {
720 u32 low, high;
721
722 if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
723 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
724 tg3_wait_macro_done(tp)) {
725 *resetp = 1;
726 return -EBUSY;
727 }
728 low &= 0x7fff;
729 high &= 0x000f;
730 if (low != test_pat[chan][i] ||
731 high != test_pat[chan][i+1]) {
732 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
733 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
734 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
735
736 return -EBUSY;
737 }
738 }
739 }
740
741 return 0;
742 }
743
744 static int tg3_phy_reset_chanpat(struct tg3 *tp)
745 {
746 int chan;
747
748 for (chan = 0; chan < 4; chan++) {
749 int i;
750
751 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
752 (chan * 0x2000) | 0x0200);
753 tg3_writephy(tp, 0x16, 0x0002);
754 for (i = 0; i < 6; i++)
755 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
756 tg3_writephy(tp, 0x16, 0x0202);
757 if (tg3_wait_macro_done(tp))
758 return -EBUSY;
759 }
760
761 return 0;
762 }
763
764 static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
765 {
766 u32 reg32, phy9_orig;
767 int retries, do_phy_reset, err;
768
769 retries = 10;
770 do_phy_reset = 1;
771 do {
772 if (do_phy_reset) {
773 err = tg3_bmcr_reset(tp);
774 if (err)
775 return err;
776 do_phy_reset = 0;
777 }
778
779 /* Disable transmitter and interrupt. */
780 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
781 continue;
782
783 reg32 |= 0x3000;
784 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
785
786 /* Set full-duplex, 1000 mbps. */
787 tg3_writephy(tp, MII_BMCR,
788 BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
789
790 /* Set to master mode. */
791 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
792 continue;
793
794 tg3_writephy(tp, MII_TG3_CTRL,
795 (MII_TG3_CTRL_AS_MASTER |
796 MII_TG3_CTRL_ENABLE_AS_MASTER));
797
798 /* Enable SM_DSP_CLOCK and 6dB. */
799 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
800
801 /* Block the PHY control access. */
802 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
803 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
804
805 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
806 if (!err)
807 break;
808 } while (--retries);
809
810 err = tg3_phy_reset_chanpat(tp);
811 if (err)
812 return err;
813
814 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
815 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
816
817 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
818 tg3_writephy(tp, 0x16, 0x0000);
819
820 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
821 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
822 /* Set Extended packet length bit for jumbo frames */
823 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
824 }
825 else {
826 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
827 }
828
829 tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
830
831 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
832 reg32 &= ~0x3000;
833 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
834 } else if (!err)
835 err = -EBUSY;
836
837 return err;
838 }
839
840 /* This will reset the tigon3 PHY if there is no valid
841 * link unless the FORCE argument is non-zero.
842 */
843 static int tg3_phy_reset(struct tg3 *tp)
844 {
845 u32 phy_status;
846 int err;
847
848 err = tg3_readphy(tp, MII_BMSR, &phy_status);
849 err |= tg3_readphy(tp, MII_BMSR, &phy_status);
850 if (err != 0)
851 return -EBUSY;
852
853 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
854 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
855 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
856 err = tg3_phy_reset_5703_4_5(tp);
857 if (err)
858 return err;
859 goto out;
860 }
861
862 err = tg3_bmcr_reset(tp);
863 if (err)
864 return err;
865
866 out:
867 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
868 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
869 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
870 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
871 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
872 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
873 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
874 }
875 if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
876 tg3_writephy(tp, 0x1c, 0x8d68);
877 tg3_writephy(tp, 0x1c, 0x8d68);
878 }
879 if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
880 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
881 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
882 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
883 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
884 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
885 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
886 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
887 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
888 }
889 /* Set Extended packet length bit (bit 14) on all chips that */
890 /* support jumbo frames */
891 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
892 /* Cannot do read-modify-write on 5401 */
893 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
894 } else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
895 u32 phy_reg;
896
897 /* Set bit 14 with read-modify-write to preserve other bits */
898 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
899 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
900 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
901 }
902
903 /* Set phy register 0x10 bit 0 to high fifo elasticity to support
904 * jumbo frames transmission.
905 */
906 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
907 u32 phy_reg;
908
909 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
910 tg3_writephy(tp, MII_TG3_EXT_CTRL,
911 phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
912 }
913
914 tg3_phy_set_wirespeed(tp);
915 return 0;
916 }
917
918 static void tg3_frob_aux_power(struct tg3 *tp)
919 {
920 struct tg3 *tp_peer = tp;
921
922 if ((tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) != 0)
923 return;
924
925 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
926 tp_peer = pci_get_drvdata(tp->pdev_peer);
927 if (!tp_peer)
928 BUG();
929 }
930
931
932 if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
933 (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0) {
934 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
935 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
936 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
937 (GRC_LCLCTRL_GPIO_OE0 |
938 GRC_LCLCTRL_GPIO_OE1 |
939 GRC_LCLCTRL_GPIO_OE2 |
940 GRC_LCLCTRL_GPIO_OUTPUT0 |
941 GRC_LCLCTRL_GPIO_OUTPUT1));
942 udelay(100);
943 } else {
944 u32 no_gpio2;
945 u32 grc_local_ctrl;
946
947 if (tp_peer != tp &&
948 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
949 return;
950
951 /* On 5753 and variants, GPIO2 cannot be used. */
952 no_gpio2 = tp->nic_sram_data_cfg &
953 NIC_SRAM_DATA_CFG_NO_GPIO2;
954
955 grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 |
956 GRC_LCLCTRL_GPIO_OE1 |
957 GRC_LCLCTRL_GPIO_OE2 |
958 GRC_LCLCTRL_GPIO_OUTPUT1 |
959 GRC_LCLCTRL_GPIO_OUTPUT2;
960 if (no_gpio2) {
961 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
962 GRC_LCLCTRL_GPIO_OUTPUT2);
963 }
964 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
965 grc_local_ctrl);
966 udelay(100);
967
968 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
969
970 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
971 grc_local_ctrl);
972 udelay(100);
973
974 if (!no_gpio2) {
975 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
976 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
977 grc_local_ctrl);
978 udelay(100);
979 }
980 }
981 } else {
982 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
983 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
984 if (tp_peer != tp &&
985 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
986 return;
987
988 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
989 (GRC_LCLCTRL_GPIO_OE1 |
990 GRC_LCLCTRL_GPIO_OUTPUT1));
991 udelay(100);
992
993 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
994 (GRC_LCLCTRL_GPIO_OE1));
995 udelay(100);
996
997 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
998 (GRC_LCLCTRL_GPIO_OE1 |
999 GRC_LCLCTRL_GPIO_OUTPUT1));
1000 udelay(100);
1001 }
1002 }
1003 }
1004
1005 static int tg3_setup_phy(struct tg3 *, int);
1006
1007 #define RESET_KIND_SHUTDOWN 0
1008 #define RESET_KIND_INIT 1
1009 #define RESET_KIND_SUSPEND 2
1010
1011 static void tg3_write_sig_post_reset(struct tg3 *, int);
1012 static int tg3_halt_cpu(struct tg3 *, u32);
1013
1014 static int tg3_set_power_state(struct tg3 *tp, int state)
1015 {
1016 u32 misc_host_ctrl;
1017 u16 power_control, power_caps;
1018 int pm = tp->pm_cap;
1019
1020 /* Make sure register accesses (indirect or otherwise)
1021 * will function correctly.
1022 */
1023 pci_write_config_dword(tp->pdev,
1024 TG3PCI_MISC_HOST_CTRL,
1025 tp->misc_host_ctrl);
1026
1027 pci_read_config_word(tp->pdev,
1028 pm + PCI_PM_CTRL,
1029 &power_control);
1030 power_control |= PCI_PM_CTRL_PME_STATUS;
1031 power_control &= ~(PCI_PM_CTRL_STATE_MASK);
1032 switch (state) {
1033 case 0:
1034 power_control |= 0;
1035 pci_write_config_word(tp->pdev,
1036 pm + PCI_PM_CTRL,
1037 power_control);
1038 udelay(100); /* Delay after power state change */
1039
1040 /* Switch out of Vaux if it is not a LOM */
1041 if (!(tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)) {
1042 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
1043 udelay(100);
1044 }
1045
1046 return 0;
1047
1048 case 1:
1049 power_control |= 1;
1050 break;
1051
1052 case 2:
1053 power_control |= 2;
1054 break;
1055
1056 case 3:
1057 power_control |= 3;
1058 break;
1059
1060 default:
1061 printk(KERN_WARNING PFX "%s: Invalid power state (%d) "
1062 "requested.\n",
1063 tp->dev->name, state);
1064 return -EINVAL;
1065 };
1066
1067 power_control |= PCI_PM_CTRL_PME_ENABLE;
1068
1069 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
1070 tw32(TG3PCI_MISC_HOST_CTRL,
1071 misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
1072
1073 if (tp->link_config.phy_is_low_power == 0) {
1074 tp->link_config.phy_is_low_power = 1;
1075 tp->link_config.orig_speed = tp->link_config.speed;
1076 tp->link_config.orig_duplex = tp->link_config.duplex;
1077 tp->link_config.orig_autoneg = tp->link_config.autoneg;
1078 }
1079
1080 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
1081 tp->link_config.speed = SPEED_10;
1082 tp->link_config.duplex = DUPLEX_HALF;
1083 tp->link_config.autoneg = AUTONEG_ENABLE;
1084 tg3_setup_phy(tp, 0);
1085 }
1086
1087 pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
1088
1089 if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
1090 u32 mac_mode;
1091
1092 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
1093 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
1094 udelay(40);
1095
1096 mac_mode = MAC_MODE_PORT_MODE_MII;
1097
1098 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 ||
1099 !(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB))
1100 mac_mode |= MAC_MODE_LINK_POLARITY;
1101 } else {
1102 mac_mode = MAC_MODE_PORT_MODE_TBI;
1103 }
1104
1105 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
1106 tw32(MAC_LED_CTRL, tp->led_ctrl);
1107
1108 if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
1109 (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)))
1110 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
1111
1112 tw32_f(MAC_MODE, mac_mode);
1113 udelay(100);
1114
1115 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
1116 udelay(10);
1117 }
1118
1119 if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
1120 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1121 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1122 u32 base_val;
1123
1124 base_val = tp->pci_clock_ctrl;
1125 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
1126 CLOCK_CTRL_TXCLK_DISABLE);
1127
1128 tw32_f(TG3PCI_CLOCK_CTRL, base_val |
1129 CLOCK_CTRL_ALTCLK |
1130 CLOCK_CTRL_PWRDOWN_PLL133);
1131 udelay(40);
1132 } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
1133 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
1134 u32 newbits1, newbits2;
1135
1136 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1137 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1138 newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
1139 CLOCK_CTRL_TXCLK_DISABLE |
1140 CLOCK_CTRL_ALTCLK);
1141 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1142 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
1143 newbits1 = CLOCK_CTRL_625_CORE;
1144 newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
1145 } else {
1146 newbits1 = CLOCK_CTRL_ALTCLK;
1147 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1148 }
1149
1150 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1);
1151 udelay(40);
1152
1153 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2);
1154 udelay(40);
1155
1156 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
1157 u32 newbits3;
1158
1159 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1160 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1161 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
1162 CLOCK_CTRL_TXCLK_DISABLE |
1163 CLOCK_CTRL_44MHZ_CORE);
1164 } else {
1165 newbits3 = CLOCK_CTRL_44MHZ_CORE;
1166 }
1167
1168 tw32_f(TG3PCI_CLOCK_CTRL,
1169 tp->pci_clock_ctrl | newbits3);
1170 udelay(40);
1171 }
1172 }
1173
1174 tg3_frob_aux_power(tp);
1175
1176 /* Workaround for unstable PLL clock */
1177 if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
1178 (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
1179 u32 val = tr32(0x7d00);
1180
1181 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
1182 tw32(0x7d00, val);
1183 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
1184 tg3_halt_cpu(tp, RX_CPU_BASE);
1185 }
1186
1187 /* Finally, set the new power state. */
1188 pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
1189 udelay(100); /* Delay after power state change */
1190
1191 tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
1192
1193 return 0;
1194 }
1195
1196 static void tg3_link_report(struct tg3 *tp)
1197 {
1198 if (!netif_carrier_ok(tp->dev)) {
1199 printk(KERN_INFO PFX "%s: Link is down.\n", tp->dev->name);
1200 } else {
1201 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1202 tp->dev->name,
1203 (tp->link_config.active_speed == SPEED_1000 ?
1204 1000 :
1205 (tp->link_config.active_speed == SPEED_100 ?
1206 100 : 10)),
1207 (tp->link_config.active_duplex == DUPLEX_FULL ?
1208 "full" : "half"));
1209
1210 printk(KERN_INFO PFX "%s: Flow control is %s for TX and "
1211 "%s for RX.\n",
1212 tp->dev->name,
1213 (tp->tg3_flags & TG3_FLAG_TX_PAUSE) ? "on" : "off",
1214 (tp->tg3_flags & TG3_FLAG_RX_PAUSE) ? "on" : "off");
1215 }
1216 }
1217
1218 static void tg3_setup_flow_control(struct tg3 *tp, u32 local_adv, u32 remote_adv)
1219 {
1220 u32 new_tg3_flags = 0;
1221 u32 old_rx_mode = tp->rx_mode;
1222 u32 old_tx_mode = tp->tx_mode;
1223
1224 if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) {
1225 if (local_adv & ADVERTISE_PAUSE_CAP) {
1226 if (local_adv & ADVERTISE_PAUSE_ASYM) {
1227 if (remote_adv & LPA_PAUSE_CAP)
1228 new_tg3_flags |=
1229 (TG3_FLAG_RX_PAUSE |
1230 TG3_FLAG_TX_PAUSE);
1231 else if (remote_adv & LPA_PAUSE_ASYM)
1232 new_tg3_flags |=
1233 (TG3_FLAG_RX_PAUSE);
1234 } else {
1235 if (remote_adv & LPA_PAUSE_CAP)
1236 new_tg3_flags |=
1237 (TG3_FLAG_RX_PAUSE |
1238 TG3_FLAG_TX_PAUSE);
1239 }
1240 } else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1241 if ((remote_adv & LPA_PAUSE_CAP) &&
1242 (remote_adv & LPA_PAUSE_ASYM))
1243 new_tg3_flags |= TG3_FLAG_TX_PAUSE;
1244 }
1245
1246 tp->tg3_flags &= ~(TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE);
1247 tp->tg3_flags |= new_tg3_flags;
1248 } else {
1249 new_tg3_flags = tp->tg3_flags;
1250 }
1251
1252 if (new_tg3_flags & TG3_FLAG_RX_PAUSE)
1253 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1254 else
1255 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1256
1257 if (old_rx_mode != tp->rx_mode) {
1258 tw32_f(MAC_RX_MODE, tp->rx_mode);
1259 }
1260
1261 if (new_tg3_flags & TG3_FLAG_TX_PAUSE)
1262 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1263 else
1264 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1265
1266 if (old_tx_mode != tp->tx_mode) {
1267 tw32_f(MAC_TX_MODE, tp->tx_mode);
1268 }
1269 }
1270
1271 static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
1272 {
1273 switch (val & MII_TG3_AUX_STAT_SPDMASK) {
1274 case MII_TG3_AUX_STAT_10HALF:
1275 *speed = SPEED_10;
1276 *duplex = DUPLEX_HALF;
1277 break;
1278
1279 case MII_TG3_AUX_STAT_10FULL:
1280 *speed = SPEED_10;
1281 *duplex = DUPLEX_FULL;
1282 break;
1283
1284 case MII_TG3_AUX_STAT_100HALF:
1285 *speed = SPEED_100;
1286 *duplex = DUPLEX_HALF;
1287 break;
1288
1289 case MII_TG3_AUX_STAT_100FULL:
1290 *speed = SPEED_100;
1291 *duplex = DUPLEX_FULL;
1292 break;
1293
1294 case MII_TG3_AUX_STAT_1000HALF:
1295 *speed = SPEED_1000;
1296 *duplex = DUPLEX_HALF;
1297 break;
1298
1299 case MII_TG3_AUX_STAT_1000FULL:
1300 *speed = SPEED_1000;
1301 *duplex = DUPLEX_FULL;
1302 break;
1303
1304 default:
1305 *speed = SPEED_INVALID;
1306 *duplex = DUPLEX_INVALID;
1307 break;
1308 };
1309 }
1310
1311 static void tg3_phy_copper_begin(struct tg3 *tp)
1312 {
1313 u32 new_adv;
1314 int i;
1315
1316 if (tp->link_config.phy_is_low_power) {
1317 /* Entering low power mode. Disable gigabit and
1318 * 100baseT advertisements.
1319 */
1320 tg3_writephy(tp, MII_TG3_CTRL, 0);
1321
1322 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
1323 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1324 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
1325 new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
1326
1327 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1328 } else if (tp->link_config.speed == SPEED_INVALID) {
1329 tp->link_config.advertising =
1330 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
1331 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
1332 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
1333 ADVERTISED_Autoneg | ADVERTISED_MII);
1334
1335 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
1336 tp->link_config.advertising &=
1337 ~(ADVERTISED_1000baseT_Half |
1338 ADVERTISED_1000baseT_Full);
1339
1340 new_adv = (ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1341 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
1342 new_adv |= ADVERTISE_10HALF;
1343 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
1344 new_adv |= ADVERTISE_10FULL;
1345 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
1346 new_adv |= ADVERTISE_100HALF;
1347 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
1348 new_adv |= ADVERTISE_100FULL;
1349 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1350
1351 if (tp->link_config.advertising &
1352 (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
1353 new_adv = 0;
1354 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
1355 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
1356 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
1357 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
1358 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
1359 (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1360 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
1361 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1362 MII_TG3_CTRL_ENABLE_AS_MASTER);
1363 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1364 } else {
1365 tg3_writephy(tp, MII_TG3_CTRL, 0);
1366 }
1367 } else {
1368 /* Asking for a specific link mode. */
1369 if (tp->link_config.speed == SPEED_1000) {
1370 new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1371 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1372
1373 if (tp->link_config.duplex == DUPLEX_FULL)
1374 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
1375 else
1376 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
1377 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1378 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
1379 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1380 MII_TG3_CTRL_ENABLE_AS_MASTER);
1381 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1382 } else {
1383 tg3_writephy(tp, MII_TG3_CTRL, 0);
1384
1385 new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1386 if (tp->link_config.speed == SPEED_100) {
1387 if (tp->link_config.duplex == DUPLEX_FULL)
1388 new_adv |= ADVERTISE_100FULL;
1389 else
1390 new_adv |= ADVERTISE_100HALF;
1391 } else {
1392 if (tp->link_config.duplex == DUPLEX_FULL)
1393 new_adv |= ADVERTISE_10FULL;
1394 else
1395 new_adv |= ADVERTISE_10HALF;
1396 }
1397 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1398 }
1399 }
1400
1401 if (tp->link_config.autoneg == AUTONEG_DISABLE &&
1402 tp->link_config.speed != SPEED_INVALID) {
1403 u32 bmcr, orig_bmcr;
1404
1405 tp->link_config.active_speed = tp->link_config.speed;
1406 tp->link_config.active_duplex = tp->link_config.duplex;
1407
1408 bmcr = 0;
1409 switch (tp->link_config.speed) {
1410 default:
1411 case SPEED_10:
1412 break;
1413
1414 case SPEED_100:
1415 bmcr |= BMCR_SPEED100;
1416 break;
1417
1418 case SPEED_1000:
1419 bmcr |= TG3_BMCR_SPEED1000;
1420 break;
1421 };
1422
1423 if (tp->link_config.duplex == DUPLEX_FULL)
1424 bmcr |= BMCR_FULLDPLX;
1425
1426 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
1427 (bmcr != orig_bmcr)) {
1428 tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
1429 for (i = 0; i < 1500; i++) {
1430 u32 tmp;
1431
1432 udelay(10);
1433 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
1434 tg3_readphy(tp, MII_BMSR, &tmp))
1435 continue;
1436 if (!(tmp & BMSR_LSTATUS)) {
1437 udelay(40);
1438 break;
1439 }
1440 }
1441 tg3_writephy(tp, MII_BMCR, bmcr);
1442 udelay(40);
1443 }
1444 } else {
1445 tg3_writephy(tp, MII_BMCR,
1446 BMCR_ANENABLE | BMCR_ANRESTART);
1447 }
1448 }
1449
1450 static int tg3_init_5401phy_dsp(struct tg3 *tp)
1451 {
1452 int err;
1453
1454 /* Turn off tap power management. */
1455 /* Set Extended packet length bit */
1456 err = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1457
1458 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
1459 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
1460
1461 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
1462 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
1463
1464 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1465 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
1466
1467 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1468 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
1469
1470 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1471 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
1472
1473 udelay(40);
1474
1475 return err;
1476 }
1477
1478 static int tg3_copper_is_advertising_all(struct tg3 *tp)
1479 {
1480 u32 adv_reg, all_mask;
1481
1482 if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
1483 return 0;
1484
1485 all_mask = (ADVERTISE_10HALF | ADVERTISE_10FULL |
1486 ADVERTISE_100HALF | ADVERTISE_100FULL);
1487 if ((adv_reg & all_mask) != all_mask)
1488 return 0;
1489 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1490 u32 tg3_ctrl;
1491
1492 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
1493 return 0;
1494
1495 all_mask = (MII_TG3_CTRL_ADV_1000_HALF |
1496 MII_TG3_CTRL_ADV_1000_FULL);
1497 if ((tg3_ctrl & all_mask) != all_mask)
1498 return 0;
1499 }
1500 return 1;
1501 }
1502
1503 static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
1504 {
1505 int current_link_up;
1506 u32 bmsr, dummy;
1507 u16 current_speed;
1508 u8 current_duplex;
1509 int i, err;
1510
1511 tw32(MAC_EVENT, 0);
1512
1513 tw32_f(MAC_STATUS,
1514 (MAC_STATUS_SYNC_CHANGED |
1515 MAC_STATUS_CFG_CHANGED |
1516 MAC_STATUS_MI_COMPLETION |
1517 MAC_STATUS_LNKSTATE_CHANGED));
1518 udelay(40);
1519
1520 tp->mi_mode = MAC_MI_MODE_BASE;
1521 tw32_f(MAC_MI_MODE, tp->mi_mode);
1522 udelay(80);
1523
1524 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
1525
1526 /* Some third-party PHYs need to be reset on link going
1527 * down.
1528 */
1529 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1530 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1531 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
1532 netif_carrier_ok(tp->dev)) {
1533 tg3_readphy(tp, MII_BMSR, &bmsr);
1534 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1535 !(bmsr & BMSR_LSTATUS))
1536 force_reset = 1;
1537 }
1538 if (force_reset)
1539 tg3_phy_reset(tp);
1540
1541 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1542 tg3_readphy(tp, MII_BMSR, &bmsr);
1543 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
1544 !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
1545 bmsr = 0;
1546
1547 if (!(bmsr & BMSR_LSTATUS)) {
1548 err = tg3_init_5401phy_dsp(tp);
1549 if (err)
1550 return err;
1551
1552 tg3_readphy(tp, MII_BMSR, &bmsr);
1553 for (i = 0; i < 1000; i++) {
1554 udelay(10);
1555 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1556 (bmsr & BMSR_LSTATUS)) {
1557 udelay(40);
1558 break;
1559 }
1560 }
1561
1562 if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
1563 !(bmsr & BMSR_LSTATUS) &&
1564 tp->link_config.active_speed == SPEED_1000) {
1565 err = tg3_phy_reset(tp);
1566 if (!err)
1567 err = tg3_init_5401phy_dsp(tp);
1568 if (err)
1569 return err;
1570 }
1571 }
1572 } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1573 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
1574 /* 5701 {A0,B0} CRC bug workaround */
1575 tg3_writephy(tp, 0x15, 0x0a75);
1576 tg3_writephy(tp, 0x1c, 0x8c68);
1577 tg3_writephy(tp, 0x1c, 0x8d68);
1578 tg3_writephy(tp, 0x1c, 0x8c68);
1579 }
1580
1581 /* Clear pending interrupts... */
1582 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1583 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1584
1585 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
1586 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
1587 else
1588 tg3_writephy(tp, MII_TG3_IMASK, ~0);
1589
1590 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1591 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1592 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
1593 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1594 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
1595 else
1596 tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
1597 }
1598
1599 current_link_up = 0;
1600 current_speed = SPEED_INVALID;
1601 current_duplex = DUPLEX_INVALID;
1602
1603 if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
1604 u32 val;
1605
1606 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
1607 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
1608 if (!(val & (1 << 10))) {
1609 val |= (1 << 10);
1610 tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
1611 goto relink;
1612 }
1613 }
1614
1615 bmsr = 0;
1616 for (i = 0; i < 100; i++) {
1617 tg3_readphy(tp, MII_BMSR, &bmsr);
1618 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1619 (bmsr & BMSR_LSTATUS))
1620 break;
1621 udelay(40);
1622 }
1623
1624 if (bmsr & BMSR_LSTATUS) {
1625 u32 aux_stat, bmcr;
1626
1627 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
1628 for (i = 0; i < 2000; i++) {
1629 udelay(10);
1630 if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
1631 aux_stat)
1632 break;
1633 }
1634
1635 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
1636 &current_speed,
1637 &current_duplex);
1638
1639 bmcr = 0;
1640 for (i = 0; i < 200; i++) {
1641 tg3_readphy(tp, MII_BMCR, &bmcr);
1642 if (tg3_readphy(tp, MII_BMCR, &bmcr))
1643 continue;
1644 if (bmcr && bmcr != 0x7fff)
1645 break;
1646 udelay(10);
1647 }
1648
1649 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
1650 if (bmcr & BMCR_ANENABLE) {
1651 current_link_up = 1;
1652
1653 /* Force autoneg restart if we are exiting
1654 * low power mode.
1655 */
1656 if (!tg3_copper_is_advertising_all(tp))
1657 current_link_up = 0;
1658 } else {
1659 current_link_up = 0;
1660 }
1661 } else {
1662 if (!(bmcr & BMCR_ANENABLE) &&
1663 tp->link_config.speed == current_speed &&
1664 tp->link_config.duplex == current_duplex) {
1665 current_link_up = 1;
1666 } else {
1667 current_link_up = 0;
1668 }
1669 }
1670
1671 tp->link_config.active_speed = current_speed;
1672 tp->link_config.active_duplex = current_duplex;
1673 }
1674
1675 if (current_link_up == 1 &&
1676 (tp->link_config.active_duplex == DUPLEX_FULL) &&
1677 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
1678 u32 local_adv, remote_adv;
1679
1680 if (tg3_readphy(tp, MII_ADVERTISE, &local_adv))
1681 local_adv = 0;
1682 local_adv &= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
1683
1684 if (tg3_readphy(tp, MII_LPA, &remote_adv))
1685 remote_adv = 0;
1686
1687 remote_adv &= (LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1688
1689 /* If we are not advertising full pause capability,
1690 * something is wrong. Bring the link down and reconfigure.
1691 */
1692 if (local_adv != ADVERTISE_PAUSE_CAP) {
1693 current_link_up = 0;
1694 } else {
1695 tg3_setup_flow_control(tp, local_adv, remote_adv);
1696 }
1697 }
1698 relink:
1699 if (current_link_up == 0) {
1700 u32 tmp;
1701
1702 tg3_phy_copper_begin(tp);
1703
1704 tg3_readphy(tp, MII_BMSR, &tmp);
1705 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
1706 (tmp & BMSR_LSTATUS))
1707 current_link_up = 1;
1708 }
1709
1710 tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
1711 if (current_link_up == 1) {
1712 if (tp->link_config.active_speed == SPEED_100 ||
1713 tp->link_config.active_speed == SPEED_10)
1714 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
1715 else
1716 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
1717 } else
1718 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
1719
1720 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
1721 if (tp->link_config.active_duplex == DUPLEX_HALF)
1722 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
1723
1724 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
1725 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
1726 if ((tp->led_ctrl == LED_CTRL_MODE_PHY_2) ||
1727 (current_link_up == 1 &&
1728 tp->link_config.active_speed == SPEED_10))
1729 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1730 } else {
1731 if (current_link_up == 1)
1732 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1733 }
1734
1735 /* ??? Without this setting Netgear GA302T PHY does not
1736 * ??? send/receive packets...
1737 */
1738 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
1739 tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
1740 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
1741 tw32_f(MAC_MI_MODE, tp->mi_mode);
1742 udelay(80);
1743 }
1744
1745 tw32_f(MAC_MODE, tp->mac_mode);
1746 udelay(40);
1747
1748 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
1749 /* Polled via timer. */
1750 tw32_f(MAC_EVENT, 0);
1751 } else {
1752 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
1753 }
1754 udelay(40);
1755
1756 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
1757 current_link_up == 1 &&
1758 tp->link_config.active_speed == SPEED_1000 &&
1759 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
1760 (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
1761 udelay(120);
1762 tw32_f(MAC_STATUS,
1763 (MAC_STATUS_SYNC_CHANGED |
1764 MAC_STATUS_CFG_CHANGED));
1765 udelay(40);
1766 tg3_write_mem(tp,
1767 NIC_SRAM_FIRMWARE_MBOX,
1768 NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
1769 }
1770
1771 if (current_link_up != netif_carrier_ok(tp->dev)) {
1772 if (current_link_up)
1773 netif_carrier_on(tp->dev);
1774 else
1775 netif_carrier_off(tp->dev);
1776 tg3_link_report(tp);
1777 }
1778
1779 return 0;
1780 }
1781
1782 struct tg3_fiber_aneginfo {
1783 int state;
1784 #define ANEG_STATE_UNKNOWN 0
1785 #define ANEG_STATE_AN_ENABLE 1
1786 #define ANEG_STATE_RESTART_INIT 2
1787 #define ANEG_STATE_RESTART 3
1788 #define ANEG_STATE_DISABLE_LINK_OK 4
1789 #define ANEG_STATE_ABILITY_DETECT_INIT 5
1790 #define ANEG_STATE_ABILITY_DETECT 6
1791 #define ANEG_STATE_ACK_DETECT_INIT 7
1792 #define ANEG_STATE_ACK_DETECT 8
1793 #define ANEG_STATE_COMPLETE_ACK_INIT 9
1794 #define ANEG_STATE_COMPLETE_ACK 10
1795 #define ANEG_STATE_IDLE_DETECT_INIT 11
1796 #define ANEG_STATE_IDLE_DETECT 12
1797 #define ANEG_STATE_LINK_OK 13
1798 #define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
1799 #define ANEG_STATE_NEXT_PAGE_WAIT 15
1800
1801 u32 flags;
1802 #define MR_AN_ENABLE 0x00000001
1803 #define MR_RESTART_AN 0x00000002
1804 #define MR_AN_COMPLETE 0x00000004
1805 #define MR_PAGE_RX 0x00000008
1806 #define MR_NP_LOADED 0x00000010
1807 #define MR_TOGGLE_TX 0x00000020
1808 #define MR_LP_ADV_FULL_DUPLEX 0x00000040
1809 #define MR_LP_ADV_HALF_DUPLEX 0x00000080
1810 #define MR_LP_ADV_SYM_PAUSE 0x00000100
1811 #define MR_LP_ADV_ASYM_PAUSE 0x00000200
1812 #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
1813 #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
1814 #define MR_LP_ADV_NEXT_PAGE 0x00001000
1815 #define MR_TOGGLE_RX 0x00002000
1816 #define MR_NP_RX 0x00004000
1817
1818 #define MR_LINK_OK 0x80000000
1819
1820 unsigned long link_time, cur_time;
1821
1822 u32 ability_match_cfg;
1823 int ability_match_count;
1824
1825 char ability_match, idle_match, ack_match;
1826
1827 u32 txconfig, rxconfig;
1828 #define ANEG_CFG_NP 0x00000080
1829 #define ANEG_CFG_ACK 0x00000040
1830 #define ANEG_CFG_RF2 0x00000020
1831 #define ANEG_CFG_RF1 0x00000010
1832 #define ANEG_CFG_PS2 0x00000001
1833 #define ANEG_CFG_PS1 0x00008000
1834 #define ANEG_CFG_HD 0x00004000
1835 #define ANEG_CFG_FD 0x00002000
1836 #define ANEG_CFG_INVAL 0x00001f06
1837
1838 };
1839 #define ANEG_OK 0
1840 #define ANEG_DONE 1
1841 #define ANEG_TIMER_ENAB 2
1842 #define ANEG_FAILED -1
1843
1844 #define ANEG_STATE_SETTLE_TIME 10000
1845
1846 static int tg3_fiber_aneg_smachine(struct tg3 *tp,
1847 struct tg3_fiber_aneginfo *ap)
1848 {
1849 unsigned long delta;
1850 u32 rx_cfg_reg;
1851 int ret;
1852
1853 if (ap->state == ANEG_STATE_UNKNOWN) {
1854 ap->rxconfig = 0;
1855 ap->link_time = 0;
1856 ap->cur_time = 0;
1857 ap->ability_match_cfg = 0;
1858 ap->ability_match_count = 0;
1859 ap->ability_match = 0;
1860 ap->idle_match = 0;
1861 ap->ack_match = 0;
1862 }
1863 ap->cur_time++;
1864
1865 if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
1866 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
1867
1868 if (rx_cfg_reg != ap->ability_match_cfg) {
1869 ap->ability_match_cfg = rx_cfg_reg;
1870 ap->ability_match = 0;
1871 ap->ability_match_count = 0;
1872 } else {
1873 if (++ap->ability_match_count > 1) {
1874 ap->ability_match = 1;
1875 ap->ability_match_cfg = rx_cfg_reg;
1876 }
1877 }
1878 if (rx_cfg_reg & ANEG_CFG_ACK)
1879 ap->ack_match = 1;
1880 else
1881 ap->ack_match = 0;
1882
1883 ap->idle_match = 0;
1884 } else {
1885 ap->idle_match = 1;
1886 ap->ability_match_cfg = 0;
1887 ap->ability_match_count = 0;
1888 ap->ability_match = 0;
1889 ap->ack_match = 0;
1890
1891 rx_cfg_reg = 0;
1892 }
1893
1894 ap->rxconfig = rx_cfg_reg;
1895 ret = ANEG_OK;
1896
1897 switch(ap->state) {
1898 case ANEG_STATE_UNKNOWN:
1899 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
1900 ap->state = ANEG_STATE_AN_ENABLE;
1901
1902 /* fallthru */
1903 case ANEG_STATE_AN_ENABLE:
1904 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
1905 if (ap->flags & MR_AN_ENABLE) {
1906 ap->link_time = 0;
1907 ap->cur_time = 0;
1908 ap->ability_match_cfg = 0;
1909 ap->ability_match_count = 0;
1910 ap->ability_match = 0;
1911 ap->idle_match = 0;
1912 ap->ack_match = 0;
1913
1914 ap->state = ANEG_STATE_RESTART_INIT;
1915 } else {
1916 ap->state = ANEG_STATE_DISABLE_LINK_OK;
1917 }
1918 break;
1919
1920 case ANEG_STATE_RESTART_INIT:
1921 ap->link_time = ap->cur_time;
1922 ap->flags &= ~(MR_NP_LOADED);
1923 ap->txconfig = 0;
1924 tw32(MAC_TX_AUTO_NEG, 0);
1925 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
1926 tw32_f(MAC_MODE, tp->mac_mode);
1927 udelay(40);
1928
1929 ret = ANEG_TIMER_ENAB;
1930 ap->state = ANEG_STATE_RESTART;
1931
1932 /* fallthru */
1933 case ANEG_STATE_RESTART:
1934 delta = ap->cur_time - ap->link_time;
1935 if (delta > ANEG_STATE_SETTLE_TIME) {
1936 ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
1937 } else {
1938 ret = ANEG_TIMER_ENAB;
1939 }
1940 break;
1941
1942 case ANEG_STATE_DISABLE_LINK_OK:
1943 ret = ANEG_DONE;
1944 break;
1945
1946 case ANEG_STATE_ABILITY_DETECT_INIT:
1947 ap->flags &= ~(MR_TOGGLE_TX);
1948 ap->txconfig = (ANEG_CFG_FD | ANEG_CFG_PS1);
1949 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
1950 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
1951 tw32_f(MAC_MODE, tp->mac_mode);
1952 udelay(40);
1953
1954 ap->state = ANEG_STATE_ABILITY_DETECT;
1955 break;
1956
1957 case ANEG_STATE_ABILITY_DETECT:
1958 if (ap->ability_match != 0 && ap->rxconfig != 0) {
1959 ap->state = ANEG_STATE_ACK_DETECT_INIT;
1960 }
1961 break;
1962
1963 case ANEG_STATE_ACK_DETECT_INIT:
1964 ap->txconfig |= ANEG_CFG_ACK;
1965 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
1966 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
1967 tw32_f(MAC_MODE, tp->mac_mode);
1968 udelay(40);
1969
1970 ap->state = ANEG_STATE_ACK_DETECT;
1971
1972 /* fallthru */
1973 case ANEG_STATE_ACK_DETECT:
1974 if (ap->ack_match != 0) {
1975 if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
1976 (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
1977 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
1978 } else {
1979 ap->state = ANEG_STATE_AN_ENABLE;
1980 }
1981 } else if (ap->ability_match != 0 &&
1982 ap->rxconfig == 0) {
1983 ap->state = ANEG_STATE_AN_ENABLE;
1984 }
1985 break;
1986
1987 case ANEG_STATE_COMPLETE_ACK_INIT:
1988 if (ap->rxconfig & ANEG_CFG_INVAL) {
1989 ret = ANEG_FAILED;
1990 break;
1991 }
1992 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
1993 MR_LP_ADV_HALF_DUPLEX |
1994 MR_LP_ADV_SYM_PAUSE |
1995 MR_LP_ADV_ASYM_PAUSE |
1996 MR_LP_ADV_REMOTE_FAULT1 |
1997 MR_LP_ADV_REMOTE_FAULT2 |
1998 MR_LP_ADV_NEXT_PAGE |
1999 MR_TOGGLE_RX |
2000 MR_NP_RX);
2001 if (ap->rxconfig & ANEG_CFG_FD)
2002 ap->flags |= MR_LP_ADV_FULL_DUPLEX;
2003 if (ap->rxconfig & ANEG_CFG_HD)
2004 ap->flags |= MR_LP_ADV_HALF_DUPLEX;
2005 if (ap->rxconfig & ANEG_CFG_PS1)
2006 ap->flags |= MR_LP_ADV_SYM_PAUSE;
2007 if (ap->rxconfig & ANEG_CFG_PS2)
2008 ap->flags |= MR_LP_ADV_ASYM_PAUSE;
2009 if (ap->rxconfig & ANEG_CFG_RF1)
2010 ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
2011 if (ap->rxconfig & ANEG_CFG_RF2)
2012 ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
2013 if (ap->rxconfig & ANEG_CFG_NP)
2014 ap->flags |= MR_LP_ADV_NEXT_PAGE;
2015
2016 ap->link_time = ap->cur_time;
2017
2018 ap->flags ^= (MR_TOGGLE_TX);
2019 if (ap->rxconfig & 0x0008)
2020 ap->flags |= MR_TOGGLE_RX;
2021 if (ap->rxconfig & ANEG_CFG_NP)
2022 ap->flags |= MR_NP_RX;
2023 ap->flags |= MR_PAGE_RX;
2024
2025 ap->state = ANEG_STATE_COMPLETE_ACK;
2026 ret = ANEG_TIMER_ENAB;
2027 break;
2028
2029 case ANEG_STATE_COMPLETE_ACK:
2030 if (ap->ability_match != 0 &&
2031 ap->rxconfig == 0) {
2032 ap->state = ANEG_STATE_AN_ENABLE;
2033 break;
2034 }
2035 delta = ap->cur_time - ap->link_time;
2036 if (delta > ANEG_STATE_SETTLE_TIME) {
2037 if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
2038 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2039 } else {
2040 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
2041 !(ap->flags & MR_NP_RX)) {
2042 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2043 } else {
2044 ret = ANEG_FAILED;
2045 }
2046 }
2047 }
2048 break;
2049
2050 case ANEG_STATE_IDLE_DETECT_INIT:
2051 ap->link_time = ap->cur_time;
2052 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2053 tw32_f(MAC_MODE, tp->mac_mode);
2054 udelay(40);
2055
2056 ap->state = ANEG_STATE_IDLE_DETECT;
2057 ret = ANEG_TIMER_ENAB;
2058 break;
2059
2060 case ANEG_STATE_IDLE_DETECT:
2061 if (ap->ability_match != 0 &&
2062 ap->rxconfig == 0) {
2063 ap->state = ANEG_STATE_AN_ENABLE;
2064 break;
2065 }
2066 delta = ap->cur_time - ap->link_time;
2067 if (delta > ANEG_STATE_SETTLE_TIME) {
2068 /* XXX another gem from the Broadcom driver :( */
2069 ap->state = ANEG_STATE_LINK_OK;
2070 }
2071 break;
2072
2073 case ANEG_STATE_LINK_OK:
2074 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
2075 ret = ANEG_DONE;
2076 break;
2077
2078 case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
2079 /* ??? unimplemented */
2080 break;
2081
2082 case ANEG_STATE_NEXT_PAGE_WAIT:
2083 /* ??? unimplemented */
2084 break;
2085
2086 default:
2087 ret = ANEG_FAILED;
2088 break;
2089 };
2090
2091 return ret;
2092 }
2093
2094 static int fiber_autoneg(struct tg3 *tp, u32 *flags)
2095 {
2096 int res = 0;
2097 struct tg3_fiber_aneginfo aninfo;
2098 int status = ANEG_FAILED;
2099 unsigned int tick;
2100 u32 tmp;
2101
2102 tw32_f(MAC_TX_AUTO_NEG, 0);
2103
2104 tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
2105 tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
2106 udelay(40);
2107
2108 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
2109 udelay(40);
2110
2111 memset(&aninfo, 0, sizeof(aninfo));
2112 aninfo.flags |= MR_AN_ENABLE;
2113 aninfo.state = ANEG_STATE_UNKNOWN;
2114 aninfo.cur_time = 0;
2115 tick = 0;
2116 while (++tick < 195000) {
2117 status = tg3_fiber_aneg_smachine(tp, &aninfo);
2118 if (status == ANEG_DONE || status == ANEG_FAILED)
2119 break;
2120
2121 udelay(1);
2122 }
2123
2124 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2125 tw32_f(MAC_MODE, tp->mac_mode);
2126 udelay(40);
2127
2128 *flags = aninfo.flags;
2129
2130 if (status == ANEG_DONE &&
2131 (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
2132 MR_LP_ADV_FULL_DUPLEX)))
2133 res = 1;
2134
2135 return res;
2136 }
2137
2138 static void tg3_init_bcm8002(struct tg3 *tp)
2139 {
2140 u32 mac_status = tr32(MAC_STATUS);
2141 int i;
2142
2143 /* Reset when initting first time or we have a link. */
2144 if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
2145 !(mac_status & MAC_STATUS_PCS_SYNCED))
2146 return;
2147
2148 /* Set PLL lock range. */
2149 tg3_writephy(tp, 0x16, 0x8007);
2150
2151 /* SW reset */
2152 tg3_writephy(tp, MII_BMCR, BMCR_RESET);
2153
2154 /* Wait for reset to complete. */
2155 /* XXX schedule_timeout() ... */
2156 for (i = 0; i < 500; i++)
2157 udelay(10);
2158
2159 /* Config mode; select PMA/Ch 1 regs. */
2160 tg3_writephy(tp, 0x10, 0x8411);
2161
2162 /* Enable auto-lock and comdet, select txclk for tx. */
2163 tg3_writephy(tp, 0x11, 0x0a10);
2164
2165 tg3_writephy(tp, 0x18, 0x00a0);
2166 tg3_writephy(tp, 0x16, 0x41ff);
2167
2168 /* Assert and deassert POR. */
2169 tg3_writephy(tp, 0x13, 0x0400);
2170 udelay(40);
2171 tg3_writephy(tp, 0x13, 0x0000);
2172
2173 tg3_writephy(tp, 0x11, 0x0a50);
2174 udelay(40);
2175 tg3_writephy(tp, 0x11, 0x0a10);
2176
2177 /* Wait for signal to stabilize */
2178 /* XXX schedule_timeout() ... */
2179 for (i = 0; i < 15000; i++)
2180 udelay(10);
2181
2182 /* Deselect the channel register so we can read the PHYID
2183 * later.
2184 */
2185 tg3_writephy(tp, 0x10, 0x8011);
2186 }
2187
2188 static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
2189 {
2190 u32 sg_dig_ctrl, sg_dig_status;
2191 u32 serdes_cfg, expected_sg_dig_ctrl;
2192 int workaround, port_a;
2193 int current_link_up;
2194
2195 serdes_cfg = 0;
2196 expected_sg_dig_ctrl = 0;
2197 workaround = 0;
2198 port_a = 1;
2199 current_link_up = 0;
2200
2201 if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
2202 tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
2203 workaround = 1;
2204 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
2205 port_a = 0;
2206
2207 /* preserve bits 0-11,13,14 for signal pre-emphasis */
2208 /* preserve bits 20-23 for voltage regulator */
2209 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
2210 }
2211
2212 sg_dig_ctrl = tr32(SG_DIG_CTRL);
2213
2214 if (tp->link_config.autoneg != AUTONEG_ENABLE) {
2215 if (sg_dig_ctrl & (1 << 31)) {
2216 if (workaround) {
2217 u32 val = serdes_cfg;
2218
2219 if (port_a)
2220 val |= 0xc010000;
2221 else
2222 val |= 0x4010000;
2223 tw32_f(MAC_SERDES_CFG, val);
2224 }
2225 tw32_f(SG_DIG_CTRL, 0x01388400);
2226 }
2227 if (mac_status & MAC_STATUS_PCS_SYNCED) {
2228 tg3_setup_flow_control(tp, 0, 0);
2229 current_link_up = 1;
2230 }
2231 goto out;
2232 }
2233
2234 /* Want auto-negotiation. */
2235 expected_sg_dig_ctrl = 0x81388400;
2236
2237 /* Pause capability */
2238 expected_sg_dig_ctrl |= (1 << 11);
2239
2240 /* Asymettric pause */
2241 expected_sg_dig_ctrl |= (1 << 12);
2242
2243 if (sg_dig_ctrl != expected_sg_dig_ctrl) {
2244 if (workaround)
2245 tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
2246 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | (1 << 30));
2247 udelay(5);
2248 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
2249
2250 tp->tg3_flags2 |= TG3_FLG2_PHY_JUST_INITTED;
2251 } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
2252 MAC_STATUS_SIGNAL_DET)) {
2253 int i;
2254
2255 /* Giver time to negotiate (~200ms) */
2256 for (i = 0; i < 40000; i++) {
2257 sg_dig_status = tr32(SG_DIG_STATUS);
2258 if (sg_dig_status & (0x3))
2259 break;
2260 udelay(5);
2261 }
2262 mac_status = tr32(MAC_STATUS);
2263
2264 if ((sg_dig_status & (1 << 1)) &&
2265 (mac_status & MAC_STATUS_PCS_SYNCED)) {
2266 u32 local_adv, remote_adv;
2267
2268 local_adv = ADVERTISE_PAUSE_CAP;
2269 remote_adv = 0;
2270 if (sg_dig_status & (1 << 19))
2271 remote_adv |= LPA_PAUSE_CAP;
2272 if (sg_dig_status & (1 << 20))
2273 remote_adv |= LPA_PAUSE_ASYM;
2274
2275 tg3_setup_flow_control(tp, local_adv, remote_adv);
2276 current_link_up = 1;
2277 tp->tg3_flags2 &= ~TG3_FLG2_PHY_JUST_INITTED;
2278 } else if (!(sg_dig_status & (1 << 1))) {
2279 if (tp->tg3_flags2 & TG3_FLG2_PHY_JUST_INITTED)
2280 tp->tg3_flags2 &= ~TG3_FLG2_PHY_JUST_INITTED;
2281 else {
2282 if (workaround) {
2283 u32 val = serdes_cfg;
2284
2285 if (port_a)
2286 val |= 0xc010000;
2287 else
2288 val |= 0x4010000;
2289
2290 tw32_f(MAC_SERDES_CFG, val);
2291 }
2292
2293 tw32_f(SG_DIG_CTRL, 0x01388400);
2294 udelay(40);
2295
2296 /* Link parallel detection - link is up */
2297 /* only if we have PCS_SYNC and not */
2298 /* receiving config code words */
2299 mac_status = tr32(MAC_STATUS);
2300 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
2301 !(mac_status & MAC_STATUS_RCVD_CFG)) {
2302 tg3_setup_flow_control(tp, 0, 0);
2303 current_link_up = 1;
2304 }
2305 }
2306 }
2307 }
2308
2309 out:
2310 return current_link_up;
2311 }
2312
2313 static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
2314 {
2315 int current_link_up = 0;
2316
2317 if (!(mac_status & MAC_STATUS_PCS_SYNCED)) {
2318 tp->tg3_flags &= ~TG3_FLAG_GOT_SERDES_FLOWCTL;
2319 goto out;
2320 }
2321
2322 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2323 u32 flags;
2324 int i;
2325
2326 if (fiber_autoneg(tp, &flags)) {
2327 u32 local_adv, remote_adv;
2328
2329 local_adv = ADVERTISE_PAUSE_CAP;
2330 remote_adv = 0;
2331 if (flags & MR_LP_ADV_SYM_PAUSE)
2332 remote_adv |= LPA_PAUSE_CAP;
2333 if (flags & MR_LP_ADV_ASYM_PAUSE)
2334 remote_adv |= LPA_PAUSE_ASYM;
2335
2336 tg3_setup_flow_control(tp, local_adv, remote_adv);
2337
2338 tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
2339 current_link_up = 1;
2340 }
2341 for (i = 0; i < 30; i++) {
2342 udelay(20);
2343 tw32_f(MAC_STATUS,
2344 (MAC_STATUS_SYNC_CHANGED |
2345 MAC_STATUS_CFG_CHANGED));
2346 udelay(40);
2347 if ((tr32(MAC_STATUS) &
2348 (MAC_STATUS_SYNC_CHANGED |
2349 MAC_STATUS_CFG_CHANGED)) == 0)
2350 break;
2351 }
2352
2353 mac_status = tr32(MAC_STATUS);
2354 if (current_link_up == 0 &&
2355 (mac_status & MAC_STATUS_PCS_SYNCED) &&
2356 !(mac_status & MAC_STATUS_RCVD_CFG))
2357 current_link_up = 1;
2358 } else {
2359 /* Forcing 1000FD link up. */
2360 current_link_up = 1;
2361 tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
2362
2363 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
2364 udelay(40);
2365 }
2366
2367 out:
2368 return current_link_up;
2369 }
2370
2371 static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
2372 {
2373 u32 orig_pause_cfg;
2374 u16 orig_active_speed;
2375 u8 orig_active_duplex;
2376 u32 mac_status;
2377 int current_link_up;
2378 int i;
2379
2380 orig_pause_cfg =
2381 (tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2382 TG3_FLAG_TX_PAUSE));
2383 orig_active_speed = tp->link_config.active_speed;
2384 orig_active_duplex = tp->link_config.active_duplex;
2385
2386 if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
2387 netif_carrier_ok(tp->dev) &&
2388 (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
2389 mac_status = tr32(MAC_STATUS);
2390 mac_status &= (MAC_STATUS_PCS_SYNCED |
2391 MAC_STATUS_SIGNAL_DET |
2392 MAC_STATUS_CFG_CHANGED |
2393 MAC_STATUS_RCVD_CFG);
2394 if (mac_status == (MAC_STATUS_PCS_SYNCED |
2395 MAC_STATUS_SIGNAL_DET)) {
2396 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2397 MAC_STATUS_CFG_CHANGED));
2398 return 0;
2399 }
2400 }
2401
2402 tw32_f(MAC_TX_AUTO_NEG, 0);
2403
2404 tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
2405 tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
2406 tw32_f(MAC_MODE, tp->mac_mode);
2407 udelay(40);
2408
2409 if (tp->phy_id == PHY_ID_BCM8002)
2410 tg3_init_bcm8002(tp);
2411
2412 /* Enable link change event even when serdes polling. */
2413 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2414 udelay(40);
2415
2416 current_link_up = 0;
2417 mac_status = tr32(MAC_STATUS);
2418
2419 if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
2420 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
2421 else
2422 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
2423
2424 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
2425 tw32_f(MAC_MODE, tp->mac_mode);
2426 udelay(40);
2427
2428 tp->hw_status->status =
2429 (SD_STATUS_UPDATED |
2430 (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
2431
2432 for (i = 0; i < 100; i++) {
2433 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2434 MAC_STATUS_CFG_CHANGED));
2435 udelay(5);
2436 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
2437 MAC_STATUS_CFG_CHANGED)) == 0)
2438 break;
2439 }
2440
2441 mac_status = tr32(MAC_STATUS);
2442 if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
2443 current_link_up = 0;
2444 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2445 tw32_f(MAC_MODE, (tp->mac_mode |
2446 MAC_MODE_SEND_CONFIGS));
2447 udelay(1);
2448 tw32_f(MAC_MODE, tp->mac_mode);
2449 }
2450 }
2451
2452 if (current_link_up == 1) {
2453 tp->link_config.active_speed = SPEED_1000;
2454 tp->link_config.active_duplex = DUPLEX_FULL;
2455 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2456 LED_CTRL_LNKLED_OVERRIDE |
2457 LED_CTRL_1000MBPS_ON));
2458 } else {
2459 tp->link_config.active_speed = SPEED_INVALID;
2460 tp->link_config.active_duplex = DUPLEX_INVALID;
2461 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2462 LED_CTRL_LNKLED_OVERRIDE |
2463 LED_CTRL_TRAFFIC_OVERRIDE));
2464 }
2465
2466 if (current_link_up != netif_carrier_ok(tp->dev)) {
2467 if (current_link_up)
2468 netif_carrier_on(tp->dev);
2469 else
2470 netif_carrier_off(tp->dev);
2471 tg3_link_report(tp);
2472 } else {
2473 u32 now_pause_cfg =
2474 tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2475 TG3_FLAG_TX_PAUSE);
2476 if (orig_pause_cfg != now_pause_cfg ||
2477 orig_active_speed != tp->link_config.active_speed ||
2478 orig_active_duplex != tp->link_config.active_duplex)
2479 tg3_link_report(tp);
2480 }
2481
2482 return 0;
2483 }
2484
2485 static int tg3_setup_phy(struct tg3 *tp, int force_reset)
2486 {
2487 int err;
2488
2489 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
2490 err = tg3_setup_fiber_phy(tp, force_reset);
2491 } else {
2492 err = tg3_setup_copper_phy(tp, force_reset);
2493 }
2494
2495 if (tp->link_config.active_speed == SPEED_1000 &&
2496 tp->link_config.active_duplex == DUPLEX_HALF)
2497 tw32(MAC_TX_LENGTHS,
2498 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
2499 (6 << TX_LENGTHS_IPG_SHIFT) |
2500 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
2501 else
2502 tw32(MAC_TX_LENGTHS,
2503 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
2504 (6 << TX_LENGTHS_IPG_SHIFT) |
2505 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
2506
2507 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
2508 if (netif_carrier_ok(tp->dev)) {
2509 tw32(HOSTCC_STAT_COAL_TICKS,
2510 tp->coal.stats_block_coalesce_usecs);
2511 } else {
2512 tw32(HOSTCC_STAT_COAL_TICKS, 0);
2513 }
2514 }
2515
2516 return err;
2517 }
2518
2519 /* Tigon3 never reports partial packet sends. So we do not
2520 * need special logic to handle SKBs that have not had all
2521 * of their frags sent yet, like SunGEM does.
2522 */
2523 static void tg3_tx(struct tg3 *tp)
2524 {
2525 u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
2526 u32 sw_idx = tp->tx_cons;
2527
2528 while (sw_idx != hw_idx) {
2529 struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
2530 struct sk_buff *skb = ri->skb;
2531 int i;
2532
2533 if (unlikely(skb == NULL))
2534 BUG();
2535
2536 pci_unmap_single(tp->pdev,
2537 pci_unmap_addr(ri, mapping),
2538 skb_headlen(skb),
2539 PCI_DMA_TODEVICE);
2540
2541 ri->skb = NULL;
2542
2543 sw_idx = NEXT_TX(sw_idx);
2544
2545 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
2546 if (unlikely(sw_idx == hw_idx))
2547 BUG();
2548
2549 ri = &tp->tx_buffers[sw_idx];
2550 if (unlikely(ri->skb != NULL))
2551 BUG();
2552
2553 pci_unmap_page(tp->pdev,
2554 pci_unmap_addr(ri, mapping),
2555 skb_shinfo(skb)->frags[i].size,
2556 PCI_DMA_TODEVICE);
2557
2558 sw_idx = NEXT_TX(sw_idx);
2559 }
2560
2561 dev_kfree_skb_irq(skb);
2562 }
2563
2564 tp->tx_cons = sw_idx;
2565
2566 if (netif_queue_stopped(tp->dev) &&
2567 (TX_BUFFS_AVAIL(tp) > TG3_TX_WAKEUP_THRESH))
2568 netif_wake_queue(tp->dev);
2569 }
2570
2571 /* Returns size of skb allocated or < 0 on error.
2572 *
2573 * We only need to fill in the address because the other members
2574 * of the RX descriptor are invariant, see tg3_init_rings.
2575 *
2576 * Note the purposeful assymetry of cpu vs. chip accesses. For
2577 * posting buffers we only dirty the first cache line of the RX
2578 * descriptor (containing the address). Whereas for the RX status
2579 * buffers the cpu only reads the last cacheline of the RX descriptor
2580 * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
2581 */
2582 static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
2583 int src_idx, u32 dest_idx_unmasked)
2584 {
2585 struct tg3_rx_buffer_desc *desc;
2586 struct ring_info *map, *src_map;
2587 struct sk_buff *skb;
2588 dma_addr_t mapping;
2589 int skb_size, dest_idx;
2590
2591 src_map = NULL;
2592 switch (opaque_key) {
2593 case RXD_OPAQUE_RING_STD:
2594 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
2595 desc = &tp->rx_std[dest_idx];
2596 map = &tp->rx_std_buffers[dest_idx];
2597 if (src_idx >= 0)
2598 src_map = &tp->rx_std_buffers[src_idx];
2599 skb_size = RX_PKT_BUF_SZ;
2600 break;
2601
2602 case RXD_OPAQUE_RING_JUMBO:
2603 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
2604 desc = &tp->rx_jumbo[dest_idx];
2605 map = &tp->rx_jumbo_buffers[dest_idx];
2606 if (src_idx >= 0)
2607 src_map = &tp->rx_jumbo_buffers[src_idx];
2608 skb_size = RX_JUMBO_PKT_BUF_SZ;
2609 break;
2610
2611 default:
2612 return -EINVAL;
2613 };
2614
2615 /* Do not overwrite any of the map or rp information
2616 * until we are sure we can commit to a new buffer.
2617 *
2618 * Callers depend upon this behavior and assume that
2619 * we leave everything unchanged if we fail.
2620 */
2621 skb = dev_alloc_skb(skb_size);
2622 if (skb == NULL)
2623 return -ENOMEM;
2624
2625 skb->dev = tp->dev;
2626 skb_reserve(skb, tp->rx_offset);
2627
2628 mapping = pci_map_single(tp->pdev, skb->data,
2629 skb_size - tp->rx_offset,
2630 PCI_DMA_FROMDEVICE);
2631
2632 map->skb = skb;
2633 pci_unmap_addr_set(map, mapping, mapping);
2634
2635 if (src_map != NULL)
2636 src_map->skb = NULL;
2637
2638 desc->addr_hi = ((u64)mapping >> 32);
2639 desc->addr_lo = ((u64)mapping & 0xffffffff);
2640
2641 return skb_size;
2642 }
2643
2644 /* We only need to move over in the address because the other
2645 * members of the RX descriptor are invariant. See notes above
2646 * tg3_alloc_rx_skb for full details.
2647 */
2648 static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
2649 int src_idx, u32 dest_idx_unmasked)
2650 {
2651 struct tg3_rx_buffer_desc *src_desc, *dest_desc;
2652 struct ring_info *src_map, *dest_map;
2653 int dest_idx;
2654
2655 switch (opaque_key) {
2656 case RXD_OPAQUE_RING_STD:
2657 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
2658 dest_desc = &tp->rx_std[dest_idx];
2659 dest_map = &tp->rx_std_buffers[dest_idx];
2660 src_desc = &tp->rx_std[src_idx];
2661 src_map = &tp->rx_std_buffers[src_idx];
2662 break;
2663
2664 case RXD_OPAQUE_RING_JUMBO:
2665 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
2666 dest_desc = &tp->rx_jumbo[dest_idx];
2667 dest_map = &tp->rx_jumbo_buffers[dest_idx];
2668 src_desc = &tp->rx_jumbo[src_idx];
2669 src_map = &tp->rx_jumbo_buffers[src_idx];
2670 break;
2671
2672 default:
2673 return;
2674 };
2675
2676 dest_map->skb = src_map->skb;
2677 pci_unmap_addr_set(dest_map, mapping,
2678 pci_unmap_addr(src_map, mapping));
2679 dest_desc->addr_hi = src_desc->addr_hi;
2680 dest_desc->addr_lo = src_desc->addr_lo;
2681
2682 src_map->skb = NULL;
2683 }
2684
2685 #if TG3_VLAN_TAG_USED
2686 static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
2687 {
2688 return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag);
2689 }
2690 #endif
2691
2692 /* The RX ring scheme is composed of multiple rings which post fresh
2693 * buffers to the chip, and one special ring the chip uses to report
2694 * status back to the host.
2695 *
2696 * The special ring reports the status of received packets to the
2697 * host. The chip does not write into the original descriptor the
2698 * RX buffer was obtained from. The chip simply takes the original
2699 * descriptor as provided by the host, updates the status and length
2700 * field, then writes this into the next status ring entry.
2701 *
2702 * Each ring the host uses to post buffers to the chip is described
2703 * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
2704 * it is first placed into the on-chip ram. When the packet's length
2705 * is known, it walks down the TG3_BDINFO entries to select the ring.
2706 * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
2707 * which is within the range of the new packet's length is chosen.
2708 *
2709 * The "separate ring for rx status" scheme may sound queer, but it makes
2710 * sense from a cache coherency perspective. If only the host writes
2711 * to the buffer post rings, and only the chip writes to the rx status
2712 * rings, then cache lines never move beyond shared-modified state.
2713 * If both the host and chip were to write into the same ring, cache line
2714 * eviction could occur since both entities want it in an exclusive state.
2715 */
2716 static int tg3_rx(struct tg3 *tp, int budget)
2717 {
2718 u32 work_mask;
2719 u32 sw_idx = tp->rx_rcb_ptr;
2720 u16 hw_idx;
2721 int received;
2722
2723 hw_idx = tp->hw_status->idx[0].rx_producer;
2724 /*
2725 * We need to order the read of hw_idx and the read of
2726 * the opaque cookie.
2727 */
2728 rmb();
2729 work_mask = 0;
2730 received = 0;
2731 while (sw_idx != hw_idx && budget > 0) {
2732 struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
2733 unsigned int len;
2734 struct sk_buff *skb;
2735 dma_addr_t dma_addr;
2736 u32 opaque_key, desc_idx, *post_ptr;
2737
2738 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
2739 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
2740 if (opaque_key == RXD_OPAQUE_RING_STD) {
2741 dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
2742 mapping);
2743 skb = tp->rx_std_buffers[desc_idx].skb;
2744 post_ptr = &tp->rx_std_ptr;
2745 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
2746 dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
2747 mapping);
2748 skb = tp->rx_jumbo_buffers[desc_idx].skb;
2749 post_ptr = &tp->rx_jumbo_ptr;
2750 }
2751 else {
2752 goto next_pkt_nopost;
2753 }
2754
2755 work_mask |= opaque_key;
2756
2757 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
2758 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
2759 drop_it:
2760 tg3_recycle_rx(tp, opaque_key,
2761 desc_idx, *post_ptr);
2762 drop_it_no_recycle:
2763 /* Other statistics kept track of by card. */
2764 tp->net_stats.rx_dropped++;
2765 goto next_pkt;
2766 }
2767
2768 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */
2769
2770 if (len > RX_COPY_THRESHOLD
2771 && tp->rx_offset == 2
2772 /* rx_offset != 2 iff this is a 5701 card running
2773 * in PCI-X mode [see tg3_get_invariants()] */
2774 ) {
2775 int skb_size;
2776
2777 skb_size = tg3_alloc_rx_skb(tp, opaque_key,
2778 desc_idx, *post_ptr);
2779 if (skb_size < 0)
2780 goto drop_it;
2781
2782 pci_unmap_single(tp->pdev, dma_addr,
2783 skb_size - tp->rx_offset,
2784 PCI_DMA_FROMDEVICE);
2785
2786 skb_put(skb, len);
2787 } else {
2788 struct sk_buff *copy_skb;
2789
2790 tg3_recycle_rx(tp, opaque_key,
2791 desc_idx, *post_ptr);
2792
2793 copy_skb = dev_alloc_skb(len + 2);
2794 if (copy_skb == NULL)
2795 goto drop_it_no_recycle;
2796
2797 copy_skb->dev = tp->dev;
2798 skb_reserve(copy_skb, 2);
2799 skb_put(copy_skb, len);
2800 pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
2801 memcpy(copy_skb->data, skb->data, len);
2802 pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
2803
2804 /* We'll reuse the original ring buffer. */
2805 skb = copy_skb;
2806 }
2807
2808 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
2809 (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
2810 (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
2811 >> RXD_TCPCSUM_SHIFT) == 0xffff))
2812 skb->ip_summed = CHECKSUM_UNNECESSARY;
2813 else
2814 skb->ip_summed = CHECKSUM_NONE;
2815
2816 skb->protocol = eth_type_trans(skb, tp->dev);
2817 #if TG3_VLAN_TAG_USED
2818 if (tp->vlgrp != NULL &&
2819 desc->type_flags & RXD_FLAG_VLAN) {
2820 tg3_vlan_rx(tp, skb,
2821 desc->err_vlan & RXD_VLAN_MASK);
2822 } else
2823 #endif
2824 netif_receive_skb(skb);
2825
2826 tp->dev->last_rx = jiffies;
2827 received++;
2828 budget--;
2829
2830 next_pkt:
2831 (*post_ptr)++;
2832 next_pkt_nopost:
2833 sw_idx++;
2834 sw_idx %= TG3_RX_RCB_RING_SIZE(tp);
2835
2836 /* Refresh hw_idx to see if there is new work */
2837 if (sw_idx == hw_idx) {
2838 hw_idx = tp->hw_status->idx[0].rx_producer;
2839 rmb();
2840 }
2841 }
2842
2843 /* ACK the status ring. */
2844 tp->rx_rcb_ptr = sw_idx;
2845 tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
2846
2847 /* Refill RX ring(s). */
2848 if (work_mask & RXD_OPAQUE_RING_STD) {
2849 sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
2850 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
2851 sw_idx);
2852 }
2853 if (work_mask & RXD_OPAQUE_RING_JUMBO) {
2854 sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
2855 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
2856 sw_idx);
2857 }
2858 mmiowb();
2859
2860 return received;
2861 }
2862
2863 static int tg3_poll(struct net_device *netdev, int *budget)
2864 {
2865 struct tg3 *tp = netdev_priv(netdev);
2866 struct tg3_hw_status *sblk = tp->hw_status;
2867 unsigned long flags;
2868 int done;
2869
2870 spin_lock_irqsave(&tp->lock, flags);
2871
2872 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
2873 tp->last_tag = sblk->status_tag;
2874
2875 /* handle link change and other phy events */
2876 if (!(tp->tg3_flags &
2877 (TG3_FLAG_USE_LINKCHG_REG |
2878 TG3_FLAG_POLL_SERDES))) {
2879 if (sblk->status & SD_STATUS_LINK_CHG) {
2880 sblk->status = SD_STATUS_UPDATED |
2881 (sblk->status & ~SD_STATUS_LINK_CHG);
2882 tg3_setup_phy(tp, 0);
2883 }
2884 }
2885
2886 /* run TX completion thread */
2887 if (sblk->idx[0].tx_consumer != tp->tx_cons) {
2888 spin_lock(&tp->tx_lock);
2889 tg3_tx(tp);
2890 spin_unlock(&tp->tx_lock);
2891 }
2892
2893 spin_unlock_irqrestore(&tp->lock, flags);
2894
2895 /* run RX thread, within the bounds set by NAPI.
2896 * All RX "locking" is done by ensuring outside
2897 * code synchronizes with dev->poll()
2898 */
2899 done = 1;
2900 if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr) {
2901 int orig_budget = *budget;
2902 int work_done;
2903
2904 if (orig_budget > netdev->quota)
2905 orig_budget = netdev->quota;
2906
2907 work_done = tg3_rx(tp, orig_budget);
2908
2909 *budget -= work_done;
2910 netdev->quota -= work_done;
2911
2912 if (work_done >= orig_budget)
2913 done = 0;
2914 }
2915
2916 /* if no more work, tell net stack and NIC we're done */
2917 if (done) {
2918 spin_lock_irqsave(&tp->lock, flags);
2919 __netif_rx_complete(netdev);
2920 tg3_restart_ints(tp);
2921 spin_unlock_irqrestore(&tp->lock, flags);
2922 }
2923
2924 return (done ? 0 : 1);
2925 }
2926
2927 /* MSI ISR - No need to check for interrupt sharing and no need to
2928 * flush status block and interrupt mailbox. PCI ordering rules
2929 * guarantee that MSI will arrive after the status block.
2930 */
2931 static irqreturn_t tg3_msi(int irq, void *dev_id, struct pt_regs *regs)
2932 {
2933 struct net_device *dev = dev_id;
2934 struct tg3 *tp = netdev_priv(dev);
2935 struct tg3_hw_status *sblk = tp->hw_status;
2936 unsigned long flags;
2937
2938 spin_lock_irqsave(&tp->lock, flags);
2939
2940 /*
2941 * Writing any value to intr-mbox-0 clears PCI INTA# and
2942 * chip-internal interrupt pending events.
2943 * Writing non-zero to intr-mbox-0 additional tells the
2944 * NIC to stop sending us irqs, engaging "in-intr-handler"
2945 * event coalescing.
2946 */
2947 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
2948 tp->last_tag = sblk->status_tag;
2949 sblk->status &= ~SD_STATUS_UPDATED;
2950 if (likely(tg3_has_work(tp)))
2951 netif_rx_schedule(dev); /* schedule NAPI poll */
2952 else {
2953 /* No work, re-enable interrupts. */
2954 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
2955 tp->last_tag << 24);
2956 }
2957
2958 spin_unlock_irqrestore(&tp->lock, flags);
2959
2960 return IRQ_RETVAL(1);
2961 }
2962
2963 static irqreturn_t tg3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
2964 {
2965 struct net_device *dev = dev_id;
2966 struct tg3 *tp = netdev_priv(dev);
2967 struct tg3_hw_status *sblk = tp->hw_status;
2968 unsigned long flags;
2969 unsigned int handled = 1;
2970
2971 spin_lock_irqsave(&tp->lock, flags);
2972
2973 /* In INTx mode, it is possible for the interrupt to arrive at
2974 * the CPU before the status block posted prior to the interrupt.
2975 * Reading the PCI State register will confirm whether the
2976 * interrupt is ours and will flush the status block.
2977 */
2978 if ((sblk->status & SD_STATUS_UPDATED) ||
2979 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
2980 /*
2981 * Writing any value to intr-mbox-0 clears PCI INTA# and
2982 * chip-internal interrupt pending events.
2983 * Writing non-zero to intr-mbox-0 additional tells the
2984 * NIC to stop sending us irqs, engaging "in-intr-handler"
2985 * event coalescing.
2986 */
2987 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
2988 0x00000001);
2989 sblk->status &= ~SD_STATUS_UPDATED;
2990 if (likely(tg3_has_work(tp)))
2991 netif_rx_schedule(dev); /* schedule NAPI poll */
2992 else {
2993 /* No work, shared interrupt perhaps? re-enable
2994 * interrupts, and flush that PCI write
2995 */
2996 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
2997 0x00000000);
2998 tr32(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW);
2999 }
3000 } else { /* shared interrupt */
3001 handled = 0;
3002 }
3003
3004 spin_unlock_irqrestore(&tp->lock, flags);
3005
3006 return IRQ_RETVAL(handled);
3007 }
3008
3009 static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id, struct pt_regs *regs)
3010 {
3011 struct net_device *dev = dev_id;
3012 struct tg3 *tp = netdev_priv(dev);
3013 struct tg3_hw_status *sblk = tp->hw_status;
3014 unsigned long flags;
3015 unsigned int handled = 1;
3016
3017 spin_lock_irqsave(&tp->lock, flags);
3018
3019 /* In INTx mode, it is possible for the interrupt to arrive at
3020 * the CPU before the status block posted prior to the interrupt.
3021 * Reading the PCI State register will confirm whether the
3022 * interrupt is ours and will flush the status block.
3023 */
3024 if ((sblk->status & SD_STATUS_UPDATED) ||
3025 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3026 /*
3027 * writing any value to intr-mbox-0 clears PCI INTA# and
3028 * chip-internal interrupt pending events.
3029 * writing non-zero to intr-mbox-0 additional tells the
3030 * NIC to stop sending us irqs, engaging "in-intr-handler"
3031 * event coalescing.
3032 */
3033 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3034 0x00000001);
3035 tp->last_tag = sblk->status_tag;
3036 sblk->status &= ~SD_STATUS_UPDATED;
3037 if (likely(tg3_has_work(tp)))
3038 netif_rx_schedule(dev); /* schedule NAPI poll */
3039 else {
3040 /* no work, shared interrupt perhaps? re-enable
3041 * interrupts, and flush that PCI write
3042 */
3043 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3044 tp->last_tag << 24);
3045 tr32(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW);
3046 }
3047 } else { /* shared interrupt */
3048 handled = 0;
3049 }
3050
3051 spin_unlock_irqrestore(&tp->lock, flags);
3052
3053 return IRQ_RETVAL(handled);
3054 }
3055
3056 /* ISR for interrupt test */
3057 static irqreturn_t tg3_test_isr(int irq, void *dev_id,
3058 struct pt_regs *regs)
3059 {
3060 struct net_device *dev = dev_id;
3061 struct tg3 *tp = netdev_priv(dev);
3062 struct tg3_hw_status *sblk = tp->hw_status;
3063
3064 if (sblk->status & SD_STATUS_UPDATED) {
3065 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3066 0x00000001);
3067 return IRQ_RETVAL(1);
3068 }
3069 return IRQ_RETVAL(0);
3070 }
3071
3072 static int tg3_init_hw(struct tg3 *);
3073 static int tg3_halt(struct tg3 *, int);
3074
3075 #ifdef CONFIG_NET_POLL_CONTROLLER
3076 static void tg3_poll_controller(struct net_device *dev)
3077 {
3078 struct tg3 *tp = netdev_priv(dev);
3079
3080 tg3_interrupt(tp->pdev->irq, dev, NULL);
3081 }
3082 #endif
3083
3084 static void tg3_reset_task(void *_data)
3085 {
3086 struct tg3 *tp = _data;
3087 unsigned int restart_timer;
3088
3089 tg3_netif_stop(tp);
3090
3091 spin_lock_irq(&tp->lock);
3092 spin_lock(&tp->tx_lock);
3093
3094 restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
3095 tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
3096
3097 tg3_halt(tp, 0);
3098 tg3_init_hw(tp);
3099
3100 tg3_netif_start(tp);
3101
3102 spin_unlock(&tp->tx_lock);
3103 spin_unlock_irq(&tp->lock);
3104
3105 if (restart_timer)
3106 mod_timer(&tp->timer, jiffies + 1);
3107 }
3108
3109 static void tg3_tx_timeout(struct net_device *dev)
3110 {
3111 struct tg3 *tp = netdev_priv(dev);
3112
3113 printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
3114 dev->name);
3115
3116 schedule_work(&tp->reset_task);
3117 }
3118
3119 static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
3120
3121 static int tigon3_4gb_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
3122 u32 guilty_entry, int guilty_len,
3123 u32 last_plus_one, u32 *start, u32 mss)
3124 {
3125 struct sk_buff *new_skb = skb_copy(skb, GFP_ATOMIC);
3126 dma_addr_t new_addr;
3127 u32 entry = *start;
3128 int i;
3129
3130 if (!new_skb) {
3131 dev_kfree_skb(skb);
3132 return -1;
3133 }
3134
3135 /* New SKB is guaranteed to be linear. */
3136 entry = *start;
3137 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
3138 PCI_DMA_TODEVICE);
3139 tg3_set_txd(tp, entry, new_addr, new_skb->len,
3140 (skb->ip_summed == CHECKSUM_HW) ?
3141 TXD_FLAG_TCPUDP_CSUM : 0, 1 | (mss << 1));
3142 *start = NEXT_TX(entry);
3143
3144 /* Now clean up the sw ring entries. */
3145 i = 0;
3146 while (entry != last_plus_one) {
3147 int len;
3148
3149 if (i == 0)
3150 len = skb_headlen(skb);
3151 else
3152 len = skb_shinfo(skb)->frags[i-1].size;
3153 pci_unmap_single(tp->pdev,
3154 pci_unmap_addr(&tp->tx_buffers[entry], mapping),
3155 len, PCI_DMA_TODEVICE);
3156 if (i == 0) {
3157 tp->tx_buffers[entry].skb = new_skb;
3158 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, new_addr);
3159 } else {
3160 tp->tx_buffers[entry].skb = NULL;
3161 }
3162 entry = NEXT_TX(entry);
3163 i++;
3164 }
3165
3166 dev_kfree_skb(skb);
3167
3168 return 0;
3169 }
3170
3171 static void tg3_set_txd(struct tg3 *tp, int entry,
3172 dma_addr_t mapping, int len, u32 flags,
3173 u32 mss_and_is_end)
3174 {
3175 struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
3176 int is_end = (mss_and_is_end & 0x1);
3177 u32 mss = (mss_and_is_end >> 1);
3178 u32 vlan_tag = 0;
3179
3180 if (is_end)
3181 flags |= TXD_FLAG_END;
3182 if (flags & TXD_FLAG_VLAN) {
3183 vlan_tag = flags >> 16;
3184 flags &= 0xffff;
3185 }
3186 vlan_tag |= (mss << TXD_MSS_SHIFT);
3187
3188 txd->addr_hi = ((u64) mapping >> 32);
3189 txd->addr_lo = ((u64) mapping & 0xffffffff);
3190 txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
3191 txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
3192 }
3193
3194 static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
3195 {
3196 u32 base = (u32) mapping & 0xffffffff;
3197
3198 return ((base > 0xffffdcc0) &&
3199 (base + len + 8 < base));
3200 }
3201
3202 static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
3203 {
3204 struct tg3 *tp = netdev_priv(dev);
3205 dma_addr_t mapping;
3206 unsigned int i;
3207 u32 len, entry, base_flags, mss;
3208 int would_hit_hwbug;
3209 unsigned long flags;
3210
3211 len = skb_headlen(skb);
3212
3213 /* No BH disabling for tx_lock here. We are running in BH disabled
3214 * context and TX reclaim runs via tp->poll inside of a software
3215 * interrupt. Rejoice!
3216 *
3217 * Actually, things are not so simple. If we are to take a hw
3218 * IRQ here, we can deadlock, consider:
3219 *
3220 * CPU1 CPU2
3221 * tg3_start_xmit
3222 * take tp->tx_lock
3223 * tg3_timer
3224 * take tp->lock
3225 * tg3_interrupt
3226 * spin on tp->lock
3227 * spin on tp->tx_lock
3228 *
3229 * So we really do need to disable interrupts when taking
3230 * tx_lock here.
3231 */
3232 local_irq_save(flags);
3233 if (!spin_trylock(&tp->tx_lock)) {
3234 local_irq_restore(flags);
3235 return NETDEV_TX_LOCKED;
3236 }
3237
3238 /* This is a hard error, log it. */
3239 if (unlikely(TX_BUFFS_AVAIL(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
3240 netif_stop_queue(dev);
3241 spin_unlock_irqrestore(&tp->tx_lock, flags);
3242 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when queue awake!\n",
3243 dev->name);
3244 return NETDEV_TX_BUSY;
3245 }
3246
3247 entry = tp->tx_prod;
3248 base_flags = 0;
3249 if (skb->ip_summed == CHECKSUM_HW)
3250 base_flags |= TXD_FLAG_TCPUDP_CSUM;
3251 #if TG3_TSO_SUPPORT != 0
3252 mss = 0;
3253 if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
3254 (mss = skb_shinfo(skb)->tso_size) != 0) {
3255 int tcp_opt_len, ip_tcp_len;
3256
3257 if (skb_header_cloned(skb) &&
3258 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
3259 dev_kfree_skb(skb);
3260 goto out_unlock;
3261 }
3262
3263 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
3264 ip_tcp_len = (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr);
3265
3266 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
3267 TXD_FLAG_CPU_POST_DMA);
3268
3269 skb->nh.iph->check = 0;
3270 skb->nh.iph->tot_len = ntohs(mss + ip_tcp_len + tcp_opt_len);
3271 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
3272 skb->h.th->check = 0;
3273 base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
3274 }
3275 else {
3276 skb->h.th->check =
3277 ~csum_tcpudp_magic(skb->nh.iph->saddr,
3278 skb->nh.iph->daddr,
3279 0, IPPROTO_TCP, 0);
3280 }
3281
3282 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
3283 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
3284 if (tcp_opt_len || skb->nh.iph->ihl > 5) {
3285 int tsflags;
3286
3287 tsflags = ((skb->nh.iph->ihl - 5) +
3288 (tcp_opt_len >> 2));
3289 mss |= (tsflags << 11);
3290 }
3291 } else {
3292 if (tcp_opt_len || skb->nh.iph->ihl > 5) {
3293 int tsflags;
3294
3295 tsflags = ((skb->nh.iph->ihl - 5) +
3296 (tcp_opt_len >> 2));
3297 base_flags |= tsflags << 12;
3298 }
3299 }
3300 }
3301 #else
3302 mss = 0;
3303 #endif
3304 #if TG3_VLAN_TAG_USED
3305 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
3306 base_flags |= (TXD_FLAG_VLAN |
3307 (vlan_tx_tag_get(skb) << 16));
3308 #endif
3309
3310 /* Queue skb data, a.k.a. the main skb fragment. */
3311 mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
3312
3313 tp->tx_buffers[entry].skb = skb;
3314 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3315
3316 would_hit_hwbug = 0;
3317
3318 if (tg3_4g_overflow_test(mapping, len))
3319 would_hit_hwbug = entry + 1;
3320
3321 tg3_set_txd(tp, entry, mapping, len, base_flags,
3322 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
3323
3324 entry = NEXT_TX(entry);
3325
3326 /* Now loop through additional data fragments, and queue them. */
3327 if (skb_shinfo(skb)->nr_frags > 0) {
3328 unsigned int i, last;
3329
3330 last = skb_shinfo(skb)->nr_frags - 1;
3331 for (i = 0; i <= last; i++) {
3332 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
3333
3334 len = frag->size;
3335 mapping = pci_map_page(tp->pdev,
3336 frag->page,
3337 frag->page_offset,
3338 len, PCI_DMA_TODEVICE);
3339
3340 tp->tx_buffers[entry].skb = NULL;
3341 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3342
3343 if (tg3_4g_overflow_test(mapping, len)) {
3344 /* Only one should match. */
3345 if (would_hit_hwbug)
3346 BUG();
3347 would_hit_hwbug = entry + 1;
3348 }
3349
3350 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
3351 tg3_set_txd(tp, entry, mapping, len,
3352 base_flags, (i == last)|(mss << 1));
3353 else
3354 tg3_set_txd(tp, entry, mapping, len,
3355 base_flags, (i == last));
3356
3357 entry = NEXT_TX(entry);
3358 }
3359 }
3360
3361 if (would_hit_hwbug) {
3362 u32 last_plus_one = entry;
3363 u32 start;
3364 unsigned int len = 0;
3365
3366 would_hit_hwbug -= 1;
3367 entry = entry - 1 - skb_shinfo(skb)->nr_frags;
3368 entry &= (TG3_TX_RING_SIZE - 1);
3369 start = entry;
3370 i = 0;
3371 while (entry != last_plus_one) {
3372 if (i == 0)
3373 len = skb_headlen(skb);
3374 else
3375 len = skb_shinfo(skb)->frags[i-1].size;
3376
3377 if (entry == would_hit_hwbug)
3378 break;
3379
3380 i++;
3381 entry = NEXT_TX(entry);
3382
3383 }
3384
3385 /* If the workaround fails due to memory/mapping
3386 * failure, silently drop this packet.
3387 */
3388 if (tigon3_4gb_hwbug_workaround(tp, skb,
3389 entry, len,
3390 last_plus_one,
3391 &start, mss))
3392 goto out_unlock;
3393
3394 entry = start;
3395 }
3396
3397 /* Packets are ready, update Tx producer idx local and on card. */
3398 tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
3399
3400 tp->tx_prod = entry;
3401 if (TX_BUFFS_AVAIL(tp) <= (MAX_SKB_FRAGS + 1))
3402 netif_stop_queue(dev);
3403
3404 out_unlock:
3405 mmiowb();
3406 spin_unlock_irqrestore(&tp->tx_lock, flags);
3407
3408 dev->trans_start = jiffies;
3409
3410 return NETDEV_TX_OK;
3411 }
3412
3413 static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
3414 int new_mtu)
3415 {
3416 dev->mtu = new_mtu;
3417
3418 if (new_mtu > ETH_DATA_LEN)
3419 tp->tg3_flags |= TG3_FLAG_JUMBO_ENABLE;
3420 else
3421 tp->tg3_flags &= ~TG3_FLAG_JUMBO_ENABLE;
3422 }
3423
3424 static int tg3_change_mtu(struct net_device *dev, int new_mtu)
3425 {
3426 struct tg3 *tp = netdev_priv(dev);
3427
3428 if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
3429 return -EINVAL;
3430
3431 if (!netif_running(dev)) {
3432 /* We'll just catch it later when the
3433 * device is up'd.
3434 */
3435 tg3_set_mtu(dev, tp, new_mtu);
3436 return 0;
3437 }
3438
3439 tg3_netif_stop(tp);
3440 spin_lock_irq(&tp->lock);
3441 spin_lock(&tp->tx_lock);
3442
3443 tg3_halt(tp, 1);
3444
3445 tg3_set_mtu(dev, tp, new_mtu);
3446
3447 tg3_init_hw(tp);
3448
3449 tg3_netif_start(tp);
3450
3451 spin_unlock(&tp->tx_lock);
3452 spin_unlock_irq(&tp->lock);
3453
3454 return 0;
3455 }
3456
3457 /* Free up pending packets in all rx/tx rings.
3458 *
3459 * The chip has been shut down and the driver detached from
3460 * the networking, so no interrupts or new tx packets will
3461 * end up in the driver. tp->{tx,}lock is not held and we are not
3462 * in an interrupt context and thus may sleep.
3463 */
3464 static void tg3_free_rings(struct tg3 *tp)
3465 {
3466 struct ring_info *rxp;
3467 int i;
3468
3469 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
3470 rxp = &tp->rx_std_buffers[i];
3471
3472 if (rxp->skb == NULL)
3473 continue;
3474 pci_unmap_single(tp->pdev,
3475 pci_unmap_addr(rxp, mapping),
3476 RX_PKT_BUF_SZ - tp->rx_offset,
3477 PCI_DMA_FROMDEVICE);
3478 dev_kfree_skb_any(rxp->skb);
3479 rxp->skb = NULL;
3480 }
3481
3482 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
3483 rxp = &tp->rx_jumbo_buffers[i];
3484
3485 if (rxp->skb == NULL)
3486 continue;
3487 pci_unmap_single(tp->pdev,
3488 pci_unmap_addr(rxp, mapping),
3489 RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
3490 PCI_DMA_FROMDEVICE);
3491 dev_kfree_skb_any(rxp->skb);
3492 rxp->skb = NULL;
3493 }
3494
3495 for (i = 0; i < TG3_TX_RING_SIZE; ) {
3496 struct tx_ring_info *txp;
3497 struct sk_buff *skb;
3498 int j;
3499
3500 txp = &tp->tx_buffers[i];
3501 skb = txp->skb;
3502
3503 if (skb == NULL) {
3504 i++;
3505 continue;
3506 }
3507
3508 pci_unmap_single(tp->pdev,
3509 pci_unmap_addr(txp, mapping),
3510 skb_headlen(skb),
3511 PCI_DMA_TODEVICE);
3512 txp->skb = NULL;
3513
3514 i++;
3515
3516 for (j = 0; j < skb_shinfo(skb)->nr_frags; j++) {
3517 txp = &tp->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
3518 pci_unmap_page(tp->pdev,
3519 pci_unmap_addr(txp, mapping),
3520 skb_shinfo(skb)->frags[j].size,
3521 PCI_DMA_TODEVICE);
3522 i++;
3523 }
3524
3525 dev_kfree_skb_any(skb);
3526 }
3527 }
3528
3529 /* Initialize tx/rx rings for packet processing.
3530 *
3531 * The chip has been shut down and the driver detached from
3532 * the networking, so no interrupts or new tx packets will
3533 * end up in the driver. tp->{tx,}lock are held and thus
3534 * we may not sleep.
3535 */
3536 static void tg3_init_rings(struct tg3 *tp)
3537 {
3538 u32 i;
3539
3540 /* Free up all the SKBs. */
3541 tg3_free_rings(tp);
3542
3543 /* Zero out all descriptors. */
3544 memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
3545 memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
3546 memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
3547 memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
3548
3549 /* Initialize invariants of the rings, we only set this
3550 * stuff once. This works because the card does not
3551 * write into the rx buffer posting rings.
3552 */
3553 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
3554 struct tg3_rx_buffer_desc *rxd;
3555
3556 rxd = &tp->rx_std[i];
3557 rxd->idx_len = (RX_PKT_BUF_SZ - tp->rx_offset - 64)
3558 << RXD_LEN_SHIFT;
3559 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
3560 rxd->opaque = (RXD_OPAQUE_RING_STD |
3561 (i << RXD_OPAQUE_INDEX_SHIFT));
3562 }
3563
3564 if (tp->tg3_flags & TG3_FLAG_JUMBO_ENABLE) {
3565 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
3566 struct tg3_rx_buffer_desc *rxd;
3567
3568 rxd = &tp->rx_jumbo[i];
3569 rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
3570 << RXD_LEN_SHIFT;
3571 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
3572 RXD_FLAG_JUMBO;
3573 rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
3574 (i << RXD_OPAQUE_INDEX_SHIFT));
3575 }
3576 }
3577
3578 /* Now allocate fresh SKBs for each rx ring. */
3579 for (i = 0; i < tp->rx_pending; i++) {
3580 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD,
3581 -1, i) < 0)
3582 break;
3583 }
3584
3585 if (tp->tg3_flags & TG3_FLAG_JUMBO_ENABLE) {
3586 for (i = 0; i < tp->rx_jumbo_pending; i++) {
3587 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
3588 -1, i) < 0)
3589 break;
3590 }
3591 }
3592 }
3593
3594 /*
3595 * Must not be invoked with interrupt sources disabled and
3596 * the hardware shutdown down.
3597 */
3598 static void tg3_free_consistent(struct tg3 *tp)
3599 {
3600 if (tp->rx_std_buffers) {
3601 kfree(tp->rx_std_buffers);
3602 tp->rx_std_buffers = NULL;
3603 }
3604 if (tp->rx_std) {
3605 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
3606 tp->rx_std, tp->rx_std_mapping);
3607 tp->rx_std = NULL;
3608 }
3609 if (tp->rx_jumbo) {
3610 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
3611 tp->rx_jumbo, tp->rx_jumbo_mapping);
3612 tp->rx_jumbo = NULL;
3613 }
3614 if (tp->rx_rcb) {
3615 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
3616 tp->rx_rcb, tp->rx_rcb_mapping);
3617 tp->rx_rcb = NULL;
3618 }
3619 if (tp->tx_ring) {
3620 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
3621 tp->tx_ring, tp->tx_desc_mapping);
3622 tp->tx_ring = NULL;
3623 }
3624 if (tp->hw_status) {
3625 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
3626 tp->hw_status, tp->status_mapping);
3627 tp->hw_status = NULL;
3628 }
3629 if (tp->hw_stats) {
3630 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
3631 tp->hw_stats, tp->stats_mapping);
3632 tp->hw_stats = NULL;
3633 }
3634 }
3635
3636 /*
3637 * Must not be invoked with interrupt sources disabled and
3638 * the hardware shutdown down. Can sleep.
3639 */
3640 static int tg3_alloc_consistent(struct tg3 *tp)
3641 {
3642 tp->rx_std_buffers = kmalloc((sizeof(struct ring_info) *
3643 (TG3_RX_RING_SIZE +
3644 TG3_RX_JUMBO_RING_SIZE)) +
3645 (sizeof(struct tx_ring_info) *
3646 TG3_TX_RING_SIZE),
3647 GFP_KERNEL);
3648 if (!tp->rx_std_buffers)
3649 return -ENOMEM;
3650
3651 memset(tp->rx_std_buffers, 0,
3652 (sizeof(struct ring_info) *
3653 (TG3_RX_RING_SIZE +
3654 TG3_RX_JUMBO_RING_SIZE)) +
3655 (sizeof(struct tx_ring_info) *
3656 TG3_TX_RING_SIZE));
3657
3658 tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
3659 tp->tx_buffers = (struct tx_ring_info *)
3660 &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
3661
3662 tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
3663 &tp->rx_std_mapping);
3664 if (!tp->rx_std)
3665 goto err_out;
3666
3667 tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
3668 &tp->rx_jumbo_mapping);
3669
3670 if (!tp->rx_jumbo)
3671 goto err_out;
3672
3673 tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
3674 &tp->rx_rcb_mapping);
3675 if (!tp->rx_rcb)
3676 goto err_out;
3677
3678 tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
3679 &tp->tx_desc_mapping);
3680 if (!tp->tx_ring)
3681 goto err_out;
3682
3683 tp->hw_status = pci_alloc_consistent(tp->pdev,
3684 TG3_HW_STATUS_SIZE,
3685 &tp->status_mapping);
3686 if (!tp->hw_status)
3687 goto err_out;
3688
3689 tp->hw_stats = pci_alloc_consistent(tp->pdev,
3690 sizeof(struct tg3_hw_stats),
3691 &tp->stats_mapping);
3692 if (!tp->hw_stats)
3693 goto err_out;
3694
3695 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
3696 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
3697
3698 return 0;
3699
3700 err_out:
3701 tg3_free_consistent(tp);
3702 return -ENOMEM;
3703 }
3704
3705 #define MAX_WAIT_CNT 1000
3706
3707 /* To stop a block, clear the enable bit and poll till it
3708 * clears. tp->lock is held.
3709 */
3710 static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
3711 {
3712 unsigned int i;
3713 u32 val;
3714
3715 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
3716 switch (ofs) {
3717 case RCVLSC_MODE:
3718 case DMAC_MODE:
3719 case MBFREE_MODE:
3720 case BUFMGR_MODE:
3721 case MEMARB_MODE:
3722 /* We can't enable/disable these bits of the
3723 * 5705/5750, just say success.
3724 */
3725 return 0;
3726
3727 default:
3728 break;
3729 };
3730 }
3731
3732 val = tr32(ofs);
3733 val &= ~enable_bit;
3734 tw32_f(ofs, val);
3735
3736 for (i = 0; i < MAX_WAIT_CNT; i++) {
3737 udelay(100);
3738 val = tr32(ofs);
3739 if ((val & enable_bit) == 0)
3740 break;
3741 }
3742
3743 if (i == MAX_WAIT_CNT && !silent) {
3744 printk(KERN_ERR PFX "tg3_stop_block timed out, "
3745 "ofs=%lx enable_bit=%x\n",
3746 ofs, enable_bit);
3747 return -ENODEV;
3748 }
3749
3750 return 0;
3751 }
3752
3753 /* tp->lock is held. */
3754 static int tg3_abort_hw(struct tg3 *tp, int silent)
3755 {
3756 int i, err;
3757
3758 tg3_disable_ints(tp);
3759
3760 tp->rx_mode &= ~RX_MODE_ENABLE;
3761 tw32_f(MAC_RX_MODE, tp->rx_mode);
3762 udelay(10);
3763
3764 err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
3765 err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
3766 err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
3767 err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
3768 err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
3769 err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
3770
3771 err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
3772 err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
3773 err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
3774 err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
3775 err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
3776 err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
3777 err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
3778
3779 tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
3780 tw32_f(MAC_MODE, tp->mac_mode);
3781 udelay(40);
3782
3783 tp->tx_mode &= ~TX_MODE_ENABLE;
3784 tw32_f(MAC_TX_MODE, tp->tx_mode);
3785
3786 for (i = 0; i < MAX_WAIT_CNT; i++) {
3787 udelay(100);
3788 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
3789 break;
3790 }
3791 if (i >= MAX_WAIT_CNT) {
3792 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
3793 "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
3794 tp->dev->name, tr32(MAC_TX_MODE));
3795 err |= -ENODEV;
3796 }
3797
3798 err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
3799 err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
3800 err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
3801
3802 tw32(FTQ_RESET, 0xffffffff);
3803 tw32(FTQ_RESET, 0x00000000);
3804
3805 err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
3806 err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
3807
3808 if (tp->hw_status)
3809 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
3810 if (tp->hw_stats)
3811 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
3812
3813 return err;
3814 }
3815
3816 /* tp->lock is held. */
3817 static int tg3_nvram_lock(struct tg3 *tp)
3818 {
3819 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
3820 int i;
3821
3822 tw32(NVRAM_SWARB, SWARB_REQ_SET1);
3823 for (i = 0; i < 8000; i++) {
3824 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
3825 break;
3826 udelay(20);
3827 }
3828 if (i == 8000)
3829 return -ENODEV;
3830 }
3831 return 0;
3832 }
3833
3834 /* tp->lock is held. */
3835 static void tg3_nvram_unlock(struct tg3 *tp)
3836 {
3837 if (tp->tg3_flags & TG3_FLAG_NVRAM)
3838 tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
3839 }
3840
3841 /* tp->lock is held. */
3842 static void tg3_enable_nvram_access(struct tg3 *tp)
3843 {
3844 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
3845 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
3846 u32 nvaccess = tr32(NVRAM_ACCESS);
3847
3848 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
3849 }
3850 }
3851
3852 /* tp->lock is held. */
3853 static void tg3_disable_nvram_access(struct tg3 *tp)
3854 {
3855 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
3856 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
3857 u32 nvaccess = tr32(NVRAM_ACCESS);
3858
3859 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
3860 }
3861 }
3862
3863 /* tp->lock is held. */
3864 static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
3865 {
3866 if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X))
3867 tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
3868 NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
3869
3870 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
3871 switch (kind) {
3872 case RESET_KIND_INIT:
3873 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
3874 DRV_STATE_START);
3875 break;
3876
3877 case RESET_KIND_SHUTDOWN:
3878 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
3879 DRV_STATE_UNLOAD);
3880 break;
3881
3882 case RESET_KIND_SUSPEND:
3883 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
3884 DRV_STATE_SUSPEND);
3885 break;
3886
3887 default:
3888 break;
3889 };
3890 }
3891 }
3892
3893 /* tp->lock is held. */
3894 static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
3895 {
3896 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
3897 switch (kind) {
3898 case RESET_KIND_INIT:
3899 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
3900 DRV_STATE_START_DONE);
3901 break;
3902
3903 case RESET_KIND_SHUTDOWN:
3904 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
3905 DRV_STATE_UNLOAD_DONE);
3906 break;
3907
3908 default:
3909 break;
3910 };
3911 }
3912 }
3913
3914 /* tp->lock is held. */
3915 static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
3916 {
3917 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
3918 switch (kind) {
3919 case RESET_KIND_INIT:
3920 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
3921 DRV_STATE_START);
3922 break;
3923
3924 case RESET_KIND_SHUTDOWN:
3925 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
3926 DRV_STATE_UNLOAD);
3927 break;
3928
3929 case RESET_KIND_SUSPEND:
3930 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
3931 DRV_STATE_SUSPEND);
3932 break;
3933
3934 default:
3935 break;
3936 };
3937 }
3938 }
3939
3940 static void tg3_stop_fw(struct tg3 *);
3941
3942 /* tp->lock is held. */
3943 static int tg3_chip_reset(struct tg3 *tp)
3944 {
3945 u32 val;
3946 u32 flags_save;
3947 int i;
3948
3949 if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X))
3950 tg3_nvram_lock(tp);
3951
3952 /*
3953 * We must avoid the readl() that normally takes place.
3954 * It locks machines, causes machine checks, and other
3955 * fun things. So, temporarily disable the 5701
3956 * hardware workaround, while we do the reset.
3957 */
3958 flags_save = tp->tg3_flags;
3959 tp->tg3_flags &= ~TG3_FLAG_5701_REG_WRITE_BUG;
3960
3961 /* do the reset */
3962 val = GRC_MISC_CFG_CORECLK_RESET;
3963
3964 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
3965 if (tr32(0x7e2c) == 0x60) {
3966 tw32(0x7e2c, 0x20);
3967 }
3968 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
3969 tw32(GRC_MISC_CFG, (1 << 29));
3970 val |= (1 << 29);
3971 }
3972 }
3973
3974 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
3975 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
3976 tw32(GRC_MISC_CFG, val);
3977
3978 /* restore 5701 hardware bug workaround flag */
3979 tp->tg3_flags = flags_save;
3980
3981 /* Unfortunately, we have to delay before the PCI read back.
3982 * Some 575X chips even will not respond to a PCI cfg access
3983 * when the reset command is given to the chip.
3984 *
3985 * How do these hardware designers expect things to work
3986 * properly if the PCI write is posted for a long period
3987 * of time? It is always necessary to have some method by
3988 * which a register read back can occur to push the write
3989 * out which does the reset.
3990 *
3991 * For most tg3 variants the trick below was working.
3992 * Ho hum...
3993 */
3994 udelay(120);
3995
3996 /* Flush PCI posted writes. The normal MMIO registers
3997 * are inaccessible at this time so this is the only
3998 * way to make this reliably (actually, this is no longer
3999 * the case, see above). I tried to use indirect
4000 * register read/write but this upset some 5701 variants.
4001 */
4002 pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
4003
4004 udelay(120);
4005
4006 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4007 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
4008 int i;
4009 u32 cfg_val;
4010
4011 /* Wait for link training to complete. */
4012 for (i = 0; i < 5000; i++)
4013 udelay(100);
4014
4015 pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
4016 pci_write_config_dword(tp->pdev, 0xc4,
4017 cfg_val | (1 << 15));
4018 }
4019 /* Set PCIE max payload size and clear error status. */
4020 pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
4021 }
4022
4023 /* Re-enable indirect register accesses. */
4024 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
4025 tp->misc_host_ctrl);
4026
4027 /* Set MAX PCI retry to zero. */
4028 val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
4029 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
4030 (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
4031 val |= PCISTATE_RETRY_SAME_DMA;
4032 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
4033
4034 pci_restore_state(tp->pdev);
4035
4036 /* Make sure PCI-X relaxed ordering bit is clear. */
4037 pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
4038 val &= ~PCIX_CAPS_RELAXED_ORDERING;
4039 pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
4040
4041 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
4042
4043 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
4044 tg3_stop_fw(tp);
4045 tw32(0x5000, 0x400);
4046 }
4047
4048 tw32(GRC_MODE, tp->grc_mode);
4049
4050 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
4051 u32 val = tr32(0xc4);
4052
4053 tw32(0xc4, val | (1 << 15));
4054 }
4055
4056 if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
4057 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
4058 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
4059 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
4060 tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
4061 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
4062 }
4063
4064 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
4065 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
4066 tw32_f(MAC_MODE, tp->mac_mode);
4067 } else
4068 tw32_f(MAC_MODE, 0);
4069 udelay(40);
4070
4071 if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X)) {
4072 /* Wait for firmware initialization to complete. */
4073 for (i = 0; i < 100000; i++) {
4074 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
4075 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
4076 break;
4077 udelay(10);
4078 }
4079 if (i >= 100000) {
4080 printk(KERN_ERR PFX "tg3_reset_hw timed out for %s, "
4081 "firmware will not restart magic=%08x\n",
4082 tp->dev->name, val);
4083 return -ENODEV;
4084 }
4085 }
4086
4087 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
4088 tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4089 u32 val = tr32(0x7c00);
4090
4091 tw32(0x7c00, val | (1 << 25));
4092 }
4093
4094 /* Reprobe ASF enable state. */
4095 tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
4096 tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
4097 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
4098 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
4099 u32 nic_cfg;
4100
4101 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
4102 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
4103 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
4104 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
4105 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
4106 }
4107 }
4108
4109 return 0;
4110 }
4111
4112 /* tp->lock is held. */
4113 static void tg3_stop_fw(struct tg3 *tp)
4114 {
4115 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
4116 u32 val;
4117 int i;
4118
4119 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
4120 val = tr32(GRC_RX_CPU_EVENT);
4121 val |= (1 << 14);
4122 tw32(GRC_RX_CPU_EVENT, val);
4123
4124 /* Wait for RX cpu to ACK the event. */
4125 for (i = 0; i < 100; i++) {
4126 if (!(tr32(GRC_RX_CPU_EVENT) & (1 << 14)))
4127 break;
4128 udelay(1);
4129 }
4130 }
4131 }
4132
4133 /* tp->lock is held. */
4134 static int tg3_halt(struct tg3 *tp, int silent)
4135 {
4136 int err;
4137
4138 tg3_stop_fw(tp);
4139
4140 tg3_write_sig_pre_reset(tp, RESET_KIND_SHUTDOWN);
4141
4142 tg3_abort_hw(tp, silent);
4143 err = tg3_chip_reset(tp);
4144
4145 tg3_write_sig_legacy(tp, RESET_KIND_SHUTDOWN);
4146 tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
4147
4148 if (err)
4149 return err;
4150
4151 return 0;
4152 }
4153
4154 #define TG3_FW_RELEASE_MAJOR 0x0
4155 #define TG3_FW_RELASE_MINOR 0x0
4156 #define TG3_FW_RELEASE_FIX 0x0
4157 #define TG3_FW_START_ADDR 0x08000000
4158 #define TG3_FW_TEXT_ADDR 0x08000000
4159 #define TG3_FW_TEXT_LEN 0x9c0
4160 #define TG3_FW_RODATA_ADDR 0x080009c0
4161 #define TG3_FW_RODATA_LEN 0x60
4162 #define TG3_FW_DATA_ADDR 0x08000a40
4163 #define TG3_FW_DATA_LEN 0x20
4164 #define TG3_FW_SBSS_ADDR 0x08000a60
4165 #define TG3_FW_SBSS_LEN 0xc
4166 #define TG3_FW_BSS_ADDR 0x08000a70
4167 #define TG3_FW_BSS_LEN 0x10
4168
4169 static u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = {
4170 0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800,
4171 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000,
4172 0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034,
4173 0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000,
4174 0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105,
4175 0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0,
4176 0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010,
4177 0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01,
4178 0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c,
4179 0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000,
4180 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400,
4181 0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c,
4182 0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000,
4183 0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64,
4184 0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000,
4185 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
4186 0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68,
4187 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003,
4188 0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800,
4189 0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
4190 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60,
4191 0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008,
4192 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
4193 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
4194 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
4195 0, 0, 0, 0, 0, 0,
4196 0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002,
4197 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
4198 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
4199 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
4200 0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009,
4201 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b,
4202 0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000,
4203 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000,
4204 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
4205 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
4206 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014,
4207 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
4208 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
4209 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
4210 0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010,
4211 0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74,
4212 0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c,
4213 0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800,
4214 0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001,
4215 0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028,
4216 0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800,
4217 0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0,
4218 0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014,
4219 0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001,
4220 0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810,
4221 0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018,
4222 0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec,
4223 0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c,
4224 0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74,
4225 0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000,
4226 0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c,
4227 0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c,
4228 0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df,
4229 0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000,
4230 0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800,
4231 0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402,
4232 0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00,
4233 0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010,
4234 0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df,
4235 0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001,
4236 0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008,
4237 0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021,
4238 0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018,
4239 0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b,
4240 0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000,
4241 0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008,
4242 0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b,
4243 0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001,
4244 0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821,
4245 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000,
4246 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000,
4247 0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821,
4248 0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff,
4249 0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008,
4250 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010,
4251 0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000,
4252 0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428,
4253 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c,
4254 0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e,
4255 0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010,
4256 0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000,
4257 0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001,
4258 0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000,
4259 0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824,
4260 0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000
4261 };
4262
4263 static u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = {
4264 0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430,
4265 0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74,
4266 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
4267 0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000,
4268 0x00000000
4269 };
4270
4271 #if 0 /* All zeros, don't eat up space with it. */
4272 u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = {
4273 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
4274 0x00000000, 0x00000000, 0x00000000, 0x00000000
4275 };
4276 #endif
4277
4278 #define RX_CPU_SCRATCH_BASE 0x30000
4279 #define RX_CPU_SCRATCH_SIZE 0x04000
4280 #define TX_CPU_SCRATCH_BASE 0x34000
4281 #define TX_CPU_SCRATCH_SIZE 0x04000
4282
4283 /* tp->lock is held. */
4284 static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
4285 {
4286 int i;
4287
4288 if (offset == TX_CPU_BASE &&
4289 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
4290 BUG();
4291
4292 if (offset == RX_CPU_BASE) {
4293 for (i = 0; i < 10000; i++) {
4294 tw32(offset + CPU_STATE, 0xffffffff);
4295 tw32(offset + CPU_MODE, CPU_MODE_HALT);
4296 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
4297 break;
4298 }
4299
4300 tw32(offset + CPU_STATE, 0xffffffff);
4301 tw32_f(offset + CPU_MODE, CPU_MODE_HALT);
4302 udelay(10);
4303 } else {
4304 for (i = 0; i < 10000; i++) {
4305 tw32(offset + CPU_STATE, 0xffffffff);
4306 tw32(offset + CPU_MODE, CPU_MODE_HALT);
4307 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
4308 break;
4309 }
4310 }
4311
4312 if (i >= 10000) {
4313 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
4314 "and %s CPU\n",
4315 tp->dev->name,
4316 (offset == RX_CPU_BASE ? "RX" : "TX"));
4317 return -ENODEV;
4318 }
4319 return 0;
4320 }
4321
4322 struct fw_info {
4323 unsigned int text_base;
4324 unsigned int text_len;
4325 u32 *text_data;
4326 unsigned int rodata_base;
4327 unsigned int rodata_len;
4328 u32 *rodata_data;
4329 unsigned int data_base;
4330 unsigned int data_len;
4331 u32 *data_data;
4332 };
4333
4334 /* tp->lock is held. */
4335 static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
4336 int cpu_scratch_size, struct fw_info *info)
4337 {
4338 int err, i;
4339 u32 orig_tg3_flags = tp->tg3_flags;
4340 void (*write_op)(struct tg3 *, u32, u32);
4341
4342 if (cpu_base == TX_CPU_BASE &&
4343 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
4344 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
4345 "TX cpu firmware on %s which is 5705.\n",
4346 tp->dev->name);
4347 return -EINVAL;
4348 }
4349
4350 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
4351 write_op = tg3_write_mem;
4352 else
4353 write_op = tg3_write_indirect_reg32;
4354
4355 /* Force use of PCI config space for indirect register
4356 * write calls.
4357 */
4358 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
4359
4360 err = tg3_halt_cpu(tp, cpu_base);
4361 if (err)
4362 goto out;
4363
4364 for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
4365 write_op(tp, cpu_scratch_base + i, 0);
4366 tw32(cpu_base + CPU_STATE, 0xffffffff);
4367 tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
4368 for (i = 0; i < (info->text_len / sizeof(u32)); i++)
4369 write_op(tp, (cpu_scratch_base +
4370 (info->text_base & 0xffff) +
4371 (i * sizeof(u32))),
4372 (info->text_data ?
4373 info->text_data[i] : 0));
4374 for (i = 0; i < (info->rodata_len / sizeof(u32)); i++)
4375 write_op(tp, (cpu_scratch_base +
4376 (info->rodata_base & 0xffff) +
4377 (i * sizeof(u32))),
4378 (info->rodata_data ?
4379 info->rodata_data[i] : 0));
4380 for (i = 0; i < (info->data_len / sizeof(u32)); i++)
4381 write_op(tp, (cpu_scratch_base +
4382 (info->data_base & 0xffff) +
4383 (i * sizeof(u32))),
4384 (info->data_data ?
4385 info->data_data[i] : 0));
4386
4387 err = 0;
4388
4389 out:
4390 tp->tg3_flags = orig_tg3_flags;
4391 return err;
4392 }
4393
4394 /* tp->lock is held. */
4395 static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
4396 {
4397 struct fw_info info;
4398 int err, i;
4399
4400 info.text_base = TG3_FW_TEXT_ADDR;
4401 info.text_len = TG3_FW_TEXT_LEN;
4402 info.text_data = &tg3FwText[0];
4403 info.rodata_base = TG3_FW_RODATA_ADDR;
4404 info.rodata_len = TG3_FW_RODATA_LEN;
4405 info.rodata_data = &tg3FwRodata[0];
4406 info.data_base = TG3_FW_DATA_ADDR;
4407 info.data_len = TG3_FW_DATA_LEN;
4408 info.data_data = NULL;
4409
4410 err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
4411 RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
4412 &info);
4413 if (err)
4414 return err;
4415
4416 err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
4417 TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
4418 &info);
4419 if (err)
4420 return err;
4421
4422 /* Now startup only the RX cpu. */
4423 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
4424 tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
4425
4426 for (i = 0; i < 5; i++) {
4427 if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR)
4428 break;
4429 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
4430 tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
4431 tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
4432 udelay(1000);
4433 }
4434 if (i >= 5) {
4435 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
4436 "to set RX CPU PC, is %08x should be %08x\n",
4437 tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
4438 TG3_FW_TEXT_ADDR);
4439 return -ENODEV;
4440 }
4441 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
4442 tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000);
4443
4444 return 0;
4445 }
4446
4447 #if TG3_TSO_SUPPORT != 0
4448
4449 #define TG3_TSO_FW_RELEASE_MAJOR 0x1
4450 #define TG3_TSO_FW_RELASE_MINOR 0x6
4451 #define TG3_TSO_FW_RELEASE_FIX 0x0
4452 #define TG3_TSO_FW_START_ADDR 0x08000000
4453 #define TG3_TSO_FW_TEXT_ADDR 0x08000000
4454 #define TG3_TSO_FW_TEXT_LEN 0x1aa0
4455 #define TG3_TSO_FW_RODATA_ADDR 0x08001aa0
4456 #define TG3_TSO_FW_RODATA_LEN 0x60
4457 #define TG3_TSO_FW_DATA_ADDR 0x08001b20
4458 #define TG3_TSO_FW_DATA_LEN 0x30
4459 #define TG3_TSO_FW_SBSS_ADDR 0x08001b50
4460 #define TG3_TSO_FW_SBSS_LEN 0x2c
4461 #define TG3_TSO_FW_BSS_ADDR 0x08001b80
4462 #define TG3_TSO_FW_BSS_LEN 0x894
4463
4464 static u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = {
4465 0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000,
4466 0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800,
4467 0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
4468 0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800,
4469 0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001,
4470 0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c,
4471 0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001,
4472 0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008,
4473 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c,
4474 0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001,
4475 0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000,
4476 0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001,
4477 0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800,
4478 0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c,
4479 0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008,
4480 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021,
4481 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800,
4482 0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c,
4483 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
4484 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800,
4485 0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8,
4486 0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8,
4487 0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90,
4488 0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068,
4489 0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c,
4490 0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021,
4491 0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008,
4492 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021,
4493 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b,
4494 0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020,
4495 0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008,
4496 0xaf636820, 0x27bdffd0, 0xafbf002c, 0xafb60028, 0xafb50024, 0xafb40020,
4497 0xafb3001c, 0xafb20018, 0xafb10014, 0xafb00010, 0x8f675c5c, 0x3c030800,
4498 0x24631bbc, 0x8c620000, 0x14470005, 0x3c0200ff, 0x3c020800, 0x90421b98,
4499 0x14400119, 0x3c0200ff, 0x3442fff8, 0x00e28824, 0xac670000, 0x00111902,
4500 0x306300ff, 0x30e20003, 0x000211c0, 0x00622825, 0x00a04021, 0x00071602,
4501 0x3c030800, 0x90631b98, 0x3044000f, 0x14600036, 0x00804821, 0x24020001,
4502 0x3c010800, 0xa0221b98, 0x00051100, 0x00821025, 0x3c010800, 0xac201b9c,
4503 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
4504 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bb0, 0x3c010800, 0xac201bb4,
4505 0x3c010800, 0xa42223d8, 0x9622000c, 0x30437fff, 0x3c010800, 0xa4222410,
4506 0x30428000, 0x3c010800, 0xa4231bc6, 0x10400005, 0x24020001, 0x3c010800,
4507 0xac2223f4, 0x0a000102, 0x2406003e, 0x24060036, 0x3c010800, 0xac2023f4,
4508 0x9622000a, 0x3c030800, 0x94631bc6, 0x3c010800, 0xac2023f0, 0x3c010800,
4509 0xac2023f8, 0x00021302, 0x00021080, 0x00c21021, 0x00621821, 0x3c010800,
4510 0xa42223d0, 0x3c010800, 0x0a000115, 0xa4231b96, 0x9622000c, 0x3c010800,
4511 0xa42223ec, 0x3c040800, 0x24841b9c, 0x8c820000, 0x00021100, 0x3c010800,
4512 0x00220821, 0xac311bc8, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
4513 0xac271bcc, 0x8c820000, 0x25030001, 0x306601ff, 0x00021100, 0x3c010800,
4514 0x00220821, 0xac261bd0, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
4515 0xac291bd4, 0x96230008, 0x3c020800, 0x8c421bac, 0x00432821, 0x3c010800,
4516 0xac251bac, 0x9622000a, 0x30420004, 0x14400018, 0x00061100, 0x8f630c14,
4517 0x3063000f, 0x2c620002, 0x1440000b, 0x3c02c000, 0x8f630c14, 0x3c020800,
4518 0x8c421b40, 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002,
4519 0x1040fff7, 0x3c02c000, 0x00e21825, 0xaf635c5c, 0x8f625c50, 0x30420002,
4520 0x10400014, 0x00000000, 0x0a000147, 0x00000000, 0x3c030800, 0x8c631b80,
4521 0x3c040800, 0x94841b94, 0x01221025, 0x3c010800, 0xa42223da, 0x24020001,
4522 0x3c010800, 0xac221bb8, 0x24630001, 0x0085202a, 0x3c010800, 0x10800003,
4523 0xac231b80, 0x3c010800, 0xa4251b94, 0x3c060800, 0x24c61b9c, 0x8cc20000,
4524 0x24420001, 0xacc20000, 0x28420080, 0x14400005, 0x00000000, 0x0e000656,
4525 0x24040002, 0x0a0001e6, 0x00000000, 0x3c020800, 0x8c421bb8, 0x10400078,
4526 0x24020001, 0x3c050800, 0x90a51b98, 0x14a20072, 0x00000000, 0x3c150800,
4527 0x96b51b96, 0x3c040800, 0x8c841bac, 0x32a3ffff, 0x0083102a, 0x1440006c,
4528 0x00000000, 0x14830003, 0x00000000, 0x3c010800, 0xac2523f0, 0x1060005c,
4529 0x00009021, 0x24d60004, 0x0060a021, 0x24d30014, 0x8ec20000, 0x00028100,
4530 0x3c110800, 0x02308821, 0x0e000625, 0x8e311bc8, 0x00402821, 0x10a00054,
4531 0x00000000, 0x9628000a, 0x31020040, 0x10400005, 0x2407180c, 0x8e22000c,
4532 0x2407188c, 0x00021400, 0xaca20018, 0x3c030800, 0x00701821, 0x8c631bd0,
4533 0x3c020800, 0x00501021, 0x8c421bd4, 0x00031d00, 0x00021400, 0x00621825,
4534 0xaca30014, 0x8ec30004, 0x96220008, 0x00432023, 0x3242ffff, 0x3083ffff,
4535 0x00431021, 0x0282102a, 0x14400002, 0x02b23023, 0x00803021, 0x8e620000,
4536 0x30c4ffff, 0x00441021, 0xae620000, 0x8e220000, 0xaca20000, 0x8e220004,
4537 0x8e63fff4, 0x00431021, 0xaca20004, 0xa4a6000e, 0x8e62fff4, 0x00441021,
4538 0xae62fff4, 0x96230008, 0x0043102a, 0x14400005, 0x02469021, 0x8e62fff0,
4539 0xae60fff4, 0x24420001, 0xae62fff0, 0xaca00008, 0x3242ffff, 0x14540008,
4540 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x24020905, 0xa4a2000c,
4541 0x0a0001cb, 0x34e70020, 0xa4a2000c, 0x3c020800, 0x8c4223f0, 0x10400003,
4542 0x3c024b65, 0x0a0001d3, 0x34427654, 0x3c02b49a, 0x344289ab, 0xaca2001c,
4543 0x30e2ffff, 0xaca20010, 0x0e0005a2, 0x00a02021, 0x3242ffff, 0x0054102b,
4544 0x1440ffa9, 0x00000000, 0x24020002, 0x3c010800, 0x0a0001e6, 0xa0221b98,
4545 0x8ec2083c, 0x24420001, 0x0a0001e6, 0xaec2083c, 0x0e0004c0, 0x00000000,
4546 0x8fbf002c, 0x8fb60028, 0x8fb50024, 0x8fb40020, 0x8fb3001c, 0x8fb20018,
4547 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0030, 0x27bdffd0, 0xafbf0028,
4548 0xafb30024, 0xafb20020, 0xafb1001c, 0xafb00018, 0x8f725c9c, 0x3c0200ff,
4549 0x3442fff8, 0x3c070800, 0x24e71bb4, 0x02428824, 0x9623000e, 0x8ce20000,
4550 0x00431021, 0xace20000, 0x8e220010, 0x30420020, 0x14400011, 0x00809821,
4551 0x0e00063b, 0x02202021, 0x3c02c000, 0x02421825, 0xaf635c9c, 0x8f625c90,
4552 0x30420002, 0x1040011e, 0x00000000, 0xaf635c9c, 0x8f625c90, 0x30420002,
4553 0x10400119, 0x00000000, 0x0a00020d, 0x00000000, 0x8e240008, 0x8e230014,
4554 0x00041402, 0x000231c0, 0x00031502, 0x304201ff, 0x2442ffff, 0x3042007f,
4555 0x00031942, 0x30637800, 0x00021100, 0x24424000, 0x00624821, 0x9522000a,
4556 0x3084ffff, 0x30420008, 0x104000b0, 0x000429c0, 0x3c020800, 0x8c422400,
4557 0x14400024, 0x24c50008, 0x94c20014, 0x3c010800, 0xa42223d0, 0x8cc40010,
4558 0x00041402, 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42423d4, 0x94c2000e,
4559 0x3083ffff, 0x00431023, 0x3c010800, 0xac222408, 0x94c2001a, 0x3c010800,
4560 0xac262400, 0x3c010800, 0xac322404, 0x3c010800, 0xac2223fc, 0x3c02c000,
4561 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e5, 0x00000000,
4562 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e0, 0x00000000, 0x0a000246,
4563 0x00000000, 0x94c2000e, 0x3c030800, 0x946323d4, 0x00434023, 0x3103ffff,
4564 0x2c620008, 0x1040001c, 0x00000000, 0x94c20014, 0x24420028, 0x00a22821,
4565 0x00031042, 0x1840000b, 0x00002021, 0x24e60848, 0x00403821, 0x94a30000,
4566 0x8cc20000, 0x24840001, 0x00431021, 0xacc20000, 0x0087102a, 0x1440fff9,
4567 0x24a50002, 0x31020001, 0x1040001f, 0x3c024000, 0x3c040800, 0x248423fc,
4568 0xa0a00001, 0x94a30000, 0x8c820000, 0x00431021, 0x0a000285, 0xac820000,
4569 0x8f626800, 0x3c030010, 0x00431024, 0x10400009, 0x00000000, 0x94c2001a,
4570 0x3c030800, 0x8c6323fc, 0x00431021, 0x3c010800, 0xac2223fc, 0x0a000286,
4571 0x3c024000, 0x94c2001a, 0x94c4001c, 0x3c030800, 0x8c6323fc, 0x00441023,
4572 0x00621821, 0x3c010800, 0xac2323fc, 0x3c024000, 0x02421825, 0xaf635c9c,
4573 0x8f625c90, 0x30420002, 0x1440fffc, 0x00000000, 0x9522000a, 0x30420010,
4574 0x1040009b, 0x00000000, 0x3c030800, 0x946323d4, 0x3c070800, 0x24e72400,
4575 0x8ce40000, 0x8f626800, 0x24630030, 0x00832821, 0x3c030010, 0x00431024,
4576 0x1440000a, 0x00000000, 0x94a20004, 0x3c040800, 0x8c842408, 0x3c030800,
4577 0x8c6323fc, 0x00441023, 0x00621821, 0x3c010800, 0xac2323fc, 0x3c040800,
4578 0x8c8423fc, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, 0x00822021,
4579 0x00041027, 0xa4a20006, 0x3c030800, 0x8c632404, 0x3c0200ff, 0x3442fff8,
4580 0x00628824, 0x96220008, 0x24050001, 0x24034000, 0x000231c0, 0x00801021,
4581 0xa4c2001a, 0xa4c0001c, 0xace00000, 0x3c010800, 0xac251b60, 0xaf635cb8,
4582 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000, 0x3c010800, 0xac201b60,
4583 0x8e220008, 0xaf625cb8, 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000,
4584 0x3c010800, 0xac201b60, 0x3c020800, 0x8c421b60, 0x1040ffec, 0x00000000,
4585 0x3c040800, 0x0e00063b, 0x8c842404, 0x0a00032a, 0x00000000, 0x3c030800,
4586 0x90631b98, 0x24020002, 0x14620003, 0x3c034b65, 0x0a0002e1, 0x00008021,
4587 0x8e22001c, 0x34637654, 0x10430002, 0x24100002, 0x24100001, 0x00c02021,
4588 0x0e000350, 0x02003021, 0x24020003, 0x3c010800, 0xa0221b98, 0x24020002,
4589 0x1202000a, 0x24020001, 0x3c030800, 0x8c6323f0, 0x10620006, 0x00000000,
4590 0x3c020800, 0x944223d8, 0x00021400, 0x0a00031f, 0xae220014, 0x3c040800,
4591 0x248423da, 0x94820000, 0x00021400, 0xae220014, 0x3c020800, 0x8c421bbc,
4592 0x3c03c000, 0x3c010800, 0xa0201b98, 0x00431025, 0xaf625c5c, 0x8f625c50,
4593 0x30420002, 0x10400009, 0x00000000, 0x2484f7e2, 0x8c820000, 0x00431025,
4594 0xaf625c5c, 0x8f625c50, 0x30420002, 0x1440fffa, 0x00000000, 0x3c020800,
4595 0x24421b84, 0x8c430000, 0x24630001, 0xac430000, 0x8f630c14, 0x3063000f,
4596 0x2c620002, 0x1440000c, 0x3c024000, 0x8f630c14, 0x3c020800, 0x8c421b40,
4597 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7,
4598 0x00000000, 0x3c024000, 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002,
4599 0x1440fffc, 0x00000000, 0x12600003, 0x00000000, 0x0e0004c0, 0x00000000,
4600 0x8fbf0028, 0x8fb30024, 0x8fb20020, 0x8fb1001c, 0x8fb00018, 0x03e00008,
4601 0x27bd0030, 0x8f634450, 0x3c040800, 0x24841b88, 0x8c820000, 0x00031c02,
4602 0x0043102b, 0x14400007, 0x3c038000, 0x8c840004, 0x8f624450, 0x00021c02,
4603 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
4604 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3c024000,
4605 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00000000,
4606 0x03e00008, 0x00000000, 0x27bdffe0, 0x00805821, 0x14c00011, 0x256e0008,
4607 0x3c020800, 0x8c4223f4, 0x10400007, 0x24020016, 0x3c010800, 0xa42223d2,
4608 0x2402002a, 0x3c010800, 0x0a000364, 0xa42223d4, 0x8d670010, 0x00071402,
4609 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42723d4, 0x3c040800, 0x948423d4,
4610 0x3c030800, 0x946323d2, 0x95cf0006, 0x3c020800, 0x944223d0, 0x00832023,
4611 0x01e2c023, 0x3065ffff, 0x24a20028, 0x01c24821, 0x3082ffff, 0x14c0001a,
4612 0x01226021, 0x9582000c, 0x3042003f, 0x3c010800, 0xa42223d6, 0x95820004,
4613 0x95830006, 0x3c010800, 0xac2023e4, 0x3c010800, 0xac2023e8, 0x00021400,
4614 0x00431025, 0x3c010800, 0xac221bc0, 0x95220004, 0x3c010800, 0xa4221bc4,
4615 0x95230002, 0x01e51023, 0x0043102a, 0x10400010, 0x24020001, 0x3c010800,
4616 0x0a000398, 0xac2223f8, 0x3c030800, 0x8c6323e8, 0x3c020800, 0x94421bc4,
4617 0x00431021, 0xa5220004, 0x3c020800, 0x94421bc0, 0xa5820004, 0x3c020800,
4618 0x8c421bc0, 0xa5820006, 0x3c020800, 0x8c4223f0, 0x3c0d0800, 0x8dad23e4,
4619 0x3c0a0800, 0x144000e5, 0x8d4a23e8, 0x3c020800, 0x94421bc4, 0x004a1821,
4620 0x3063ffff, 0x0062182b, 0x24020002, 0x10c2000d, 0x01435023, 0x3c020800,
4621 0x944223d6, 0x30420009, 0x10400008, 0x00000000, 0x9582000c, 0x3042fff6,
4622 0xa582000c, 0x3c020800, 0x944223d6, 0x30420009, 0x01a26823, 0x3c020800,
4623 0x8c4223f8, 0x1040004a, 0x01203821, 0x3c020800, 0x944223d2, 0x00004021,
4624 0xa520000a, 0x01e21023, 0xa5220002, 0x3082ffff, 0x00021042, 0x18400008,
4625 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, 0x0103102a,
4626 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061402,
4627 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, 0x2527000c,
4628 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, 0x1440fffb,
4629 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, 0x01803821,
4630 0x3082ffff, 0xa4e00010, 0x00621821, 0x00021042, 0x18400010, 0x00c33021,
4631 0x00404821, 0x94e20000, 0x24e70002, 0x00c23021, 0x30e2007f, 0x14400006,
4632 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, 0x00625824, 0x25670008,
4633 0x0109102a, 0x1440fff3, 0x00000000, 0x30820001, 0x10400005, 0x00061c02,
4634 0xa0e00001, 0x94e20000, 0x00c23021, 0x00061c02, 0x30c2ffff, 0x00623021,
4635 0x00061402, 0x00c23021, 0x0a00047d, 0x30c6ffff, 0x24020002, 0x14c20081,
4636 0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800,
4637 0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800,
4638 0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a,
4639 0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02,
4640 0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821,
4641 0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023,
4642 0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff,
4643 0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042,
4644 0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021,
4645 0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021,
4646 0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021,
4647 0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004,
4648 0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023,
4649 0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821,
4650 0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800,
4651 0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043,
4652 0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021,
4653 0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80,
4654 0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800,
4655 0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff,
4656 0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010,
4657 0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007,
4658 0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402,
4659 0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff,
4660 0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021,
4661 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff,
4662 0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005,
4663 0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800,
4664 0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4,
4665 0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b,
4666 0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4,
4667 0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800,
4668 0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034,
4669 0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000,
4670 0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac,
4671 0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022,
4672 0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000,
4673 0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0,
4674 0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021,
4675 0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000,
4676 0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc,
4677 0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005,
4678 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080,
4679 0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800,
4680 0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014,
4681 0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823,
4682 0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021,
4683 0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010,
4684 0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5,
4685 0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
4686 0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021,
4687 0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c,
4688 0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005,
4689 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800,
4690 0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500,
4691 0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023,
4692 0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821,
4693 0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000,
4694 0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021,
4695 0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006,
4696 0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0,
4697 0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006,
4698 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905,
4699 0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860,
4700 0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab,
4701 0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff,
4702 0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
4703 0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038,
4704 0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020,
4705 0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450,
4706 0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003,
4707 0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff,
4708 0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002,
4709 0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f,
4710 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000,
4711 0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820,
4712 0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4,
4713 0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000,
4714 0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010,
4715 0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50,
4716 0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002,
4717 0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff,
4718 0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8,
4719 0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438,
4720 0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800,
4721 0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800,
4722 0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000,
4723 0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000,
4724 0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021,
4725 0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe,
4726 0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008,
4727 0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b,
4728 0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02,
4729 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
4730 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff,
4731 0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff,
4732 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021,
4733 0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651,
4734 0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000,
4735 0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0,
4736 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014,
4737 0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000,
4738 0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000,
4739 0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800,
4740 0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b,
4741 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010,
4742 0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001,
4743 0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800,
4744 0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000,
4745 0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008,
4746 0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74,
4747 0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010,
4748 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000,
4749 };
4750
4751 static u32 tg3TsoFwRodata[] = {
4752 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
4753 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f,
4754 0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000,
4755 0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000,
4756 0x00000000,
4757 };
4758
4759 static u32 tg3TsoFwData[] = {
4760 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000,
4761 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
4762 0x00000000,
4763 };
4764
4765 /* 5705 needs a special version of the TSO firmware. */
4766 #define TG3_TSO5_FW_RELEASE_MAJOR 0x1
4767 #define TG3_TSO5_FW_RELASE_MINOR 0x2
4768 #define TG3_TSO5_FW_RELEASE_FIX 0x0
4769 #define TG3_TSO5_FW_START_ADDR 0x00010000
4770 #define TG3_TSO5_FW_TEXT_ADDR 0x00010000
4771 #define TG3_TSO5_FW_TEXT_LEN 0xe90
4772 #define TG3_TSO5_FW_RODATA_ADDR 0x00010e90
4773 #define TG3_TSO5_FW_RODATA_LEN 0x50
4774 #define TG3_TSO5_FW_DATA_ADDR 0x00010f00
4775 #define TG3_TSO5_FW_DATA_LEN 0x20
4776 #define TG3_TSO5_FW_SBSS_ADDR 0x00010f20
4777 #define TG3_TSO5_FW_SBSS_LEN 0x28
4778 #define TG3_TSO5_FW_BSS_ADDR 0x00010f50
4779 #define TG3_TSO5_FW_BSS_LEN 0x88
4780
4781 static u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = {
4782 0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000,
4783 0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001,
4784 0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
4785 0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001,
4786 0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001,
4787 0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378,
4788 0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020,
4789 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014,
4790 0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400,
4791 0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000,
4792 0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200,
4793 0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000,
4794 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020,
4795 0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821,
4796 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130,
4797 0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018,
4798 0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60,
4799 0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821,
4800 0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000,
4801 0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028,
4802 0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402,
4803 0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014,
4804 0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff,
4805 0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b,
4806 0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004,
4807 0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8,
4808 0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001,
4809 0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021,
4810 0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2,
4811 0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a,
4812 0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
4813 0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001,
4814 0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001,
4815 0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021,
4816 0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000,
4817 0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c,
4818 0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005,
4819 0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006,
4820 0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c,
4821 0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c,
4822 0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021,
4823 0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001,
4824 0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b,
4825 0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c,
4826 0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76,
4827 0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c,
4828 0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70,
4829 0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c,
4830 0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72,
4831 0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff,
4832 0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78,
4833 0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78,
4834 0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005,
4835 0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d,
4836 0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005,
4837 0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027,
4838 0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d,
4839 0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff,
4840 0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001,
4841 0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000,
4842 0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a,
4843 0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff,
4844 0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001,
4845 0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200,
4846 0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001,
4847 0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021,
4848 0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
4849 0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00,
4850 0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001,
4851 0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000,
4852 0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003,
4853 0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001,
4854 0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56,
4855 0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4,
4856 0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64,
4857 0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088,
4858 0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001,
4859 0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57,
4860 0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001,
4861 0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001,
4862 0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000,
4863 0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001,
4864 0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823,
4865 0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001,
4866 0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001,
4867 0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001,
4868 0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021,
4869 0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008,
4870 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4,
4871 0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001,
4872 0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001,
4873 0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec,
4874 0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000,
4875 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024,
4876 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024,
4877 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000,
4878 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000,
4879 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003,
4880 0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001,
4881 0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001,
4882 0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff,
4883 0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c,
4884 0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54,
4885 0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001,
4886 0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624,
4887 0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624,
4888 0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
4889 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
4890 0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283,
4891 0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825,
4892 0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003,
4893 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7,
4894 0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c,
4895 0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009,
4896 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025,
4897 0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008,
4898 0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021,
4899 0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
4900 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
4901 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014,
4902 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001,
4903 0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010,
4904 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001,
4905 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020,
4906 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804,
4907 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20,
4908 0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315,
4909 0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005,
4910 0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001,
4911 0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001,
4912 0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014,
4913 0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8,
4914 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000,
4915 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008,
4916 0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008,
4917 0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b,
4918 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd,
4919 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000,
4920 0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025,
4921 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008,
4922 0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff,
4923 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008,
4924 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021,
4925 0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f,
4926 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600,
4927 0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40,
4928 0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000,
4929 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
4930 0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44,
4931 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003,
4932 0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001,
4933 0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
4934 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c,
4935 0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008,
4936 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
4937 0x00000000, 0x00000000, 0x00000000,
4938 };
4939
4940 static u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = {
4941 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
4942 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000,
4943 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
4944 0x00000000, 0x00000000, 0x00000000,
4945 };
4946
4947 static u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = {
4948 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000,
4949 0x00000000, 0x00000000, 0x00000000,
4950 };
4951
4952 /* tp->lock is held. */
4953 static int tg3_load_tso_firmware(struct tg3 *tp)
4954 {
4955 struct fw_info info;
4956 unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
4957 int err, i;
4958
4959 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
4960 return 0;
4961
4962 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
4963 info.text_base = TG3_TSO5_FW_TEXT_ADDR;
4964 info.text_len = TG3_TSO5_FW_TEXT_LEN;
4965 info.text_data = &tg3Tso5FwText[0];
4966 info.rodata_base = TG3_TSO5_FW_RODATA_ADDR;
4967 info.rodata_len = TG3_TSO5_FW_RODATA_LEN;
4968 info.rodata_data = &tg3Tso5FwRodata[0];
4969 info.data_base = TG3_TSO5_FW_DATA_ADDR;
4970 info.data_len = TG3_TSO5_FW_DATA_LEN;
4971 info.data_data = &tg3Tso5FwData[0];
4972 cpu_base = RX_CPU_BASE;
4973 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
4974 cpu_scratch_size = (info.text_len +
4975 info.rodata_len +
4976 info.data_len +
4977 TG3_TSO5_FW_SBSS_LEN +
4978 TG3_TSO5_FW_BSS_LEN);
4979 } else {
4980 info.text_base = TG3_TSO_FW_TEXT_ADDR;
4981 info.text_len = TG3_TSO_FW_TEXT_LEN;
4982 info.text_data = &tg3TsoFwText[0];
4983 info.rodata_base = TG3_TSO_FW_RODATA_ADDR;
4984 info.rodata_len = TG3_TSO_FW_RODATA_LEN;
4985 info.rodata_data = &tg3TsoFwRodata[0];
4986 info.data_base = TG3_TSO_FW_DATA_ADDR;
4987 info.data_len = TG3_TSO_FW_DATA_LEN;
4988 info.data_data = &tg3TsoFwData[0];
4989 cpu_base = TX_CPU_BASE;
4990 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
4991 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
4992 }
4993
4994 err = tg3_load_firmware_cpu(tp, cpu_base,
4995 cpu_scratch_base, cpu_scratch_size,
4996 &info);
4997 if (err)
4998 return err;
4999
5000 /* Now startup the cpu. */
5001 tw32(cpu_base + CPU_STATE, 0xffffffff);
5002 tw32_f(cpu_base + CPU_PC, info.text_base);
5003
5004 for (i = 0; i < 5; i++) {
5005 if (tr32(cpu_base + CPU_PC) == info.text_base)
5006 break;
5007 tw32(cpu_base + CPU_STATE, 0xffffffff);
5008 tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
5009 tw32_f(cpu_base + CPU_PC, info.text_base);
5010 udelay(1000);
5011 }
5012 if (i >= 5) {
5013 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
5014 "to set CPU PC, is %08x should be %08x\n",
5015 tp->dev->name, tr32(cpu_base + CPU_PC),
5016 info.text_base);
5017 return -ENODEV;
5018 }
5019 tw32(cpu_base + CPU_STATE, 0xffffffff);
5020 tw32_f(cpu_base + CPU_MODE, 0x00000000);
5021 return 0;
5022 }
5023
5024 #endif /* TG3_TSO_SUPPORT != 0 */
5025
5026 /* tp->lock is held. */
5027 static void __tg3_set_mac_addr(struct tg3 *tp)
5028 {
5029 u32 addr_high, addr_low;
5030 int i;
5031
5032 addr_high = ((tp->dev->dev_addr[0] << 8) |
5033 tp->dev->dev_addr[1]);
5034 addr_low = ((tp->dev->dev_addr[2] << 24) |
5035 (tp->dev->dev_addr[3] << 16) |
5036 (tp->dev->dev_addr[4] << 8) |
5037 (tp->dev->dev_addr[5] << 0));
5038 for (i = 0; i < 4; i++) {
5039 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
5040 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
5041 }
5042
5043 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
5044 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
5045 for (i = 0; i < 12; i++) {
5046 tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
5047 tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
5048 }
5049 }
5050
5051 addr_high = (tp->dev->dev_addr[0] +
5052 tp->dev->dev_addr[1] +
5053 tp->dev->dev_addr[2] +
5054 tp->dev->dev_addr[3] +
5055 tp->dev->dev_addr[4] +
5056 tp->dev->dev_addr[5]) &
5057 TX_BACKOFF_SEED_MASK;
5058 tw32(MAC_TX_BACKOFF_SEED, addr_high);
5059 }
5060
5061 static int tg3_set_mac_addr(struct net_device *dev, void *p)
5062 {
5063 struct tg3 *tp = netdev_priv(dev);
5064 struct sockaddr *addr = p;
5065
5066 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
5067
5068 spin_lock_irq(&tp->lock);
5069 __tg3_set_mac_addr(tp);
5070 spin_unlock_irq(&tp->lock);
5071
5072 return 0;
5073 }
5074
5075 /* tp->lock is held. */
5076 static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
5077 dma_addr_t mapping, u32 maxlen_flags,
5078 u32 nic_addr)
5079 {
5080 tg3_write_mem(tp,
5081 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
5082 ((u64) mapping >> 32));
5083 tg3_write_mem(tp,
5084 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
5085 ((u64) mapping & 0xffffffff));
5086 tg3_write_mem(tp,
5087 (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
5088 maxlen_flags);
5089
5090 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
5091 tg3_write_mem(tp,
5092 (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
5093 nic_addr);
5094 }
5095
5096 static void __tg3_set_rx_mode(struct net_device *);
5097 static void tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
5098 {
5099 tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
5100 tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
5101 tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
5102 tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
5103 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5104 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
5105 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
5106 }
5107 tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
5108 tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
5109 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5110 u32 val = ec->stats_block_coalesce_usecs;
5111
5112 if (!netif_carrier_ok(tp->dev))
5113 val = 0;
5114
5115 tw32(HOSTCC_STAT_COAL_TICKS, val);
5116 }
5117 }
5118
5119 /* tp->lock is held. */
5120 static int tg3_reset_hw(struct tg3 *tp)
5121 {
5122 u32 val, rdmac_mode;
5123 int i, err, limit;
5124
5125 tg3_disable_ints(tp);
5126
5127 tg3_stop_fw(tp);
5128
5129 tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
5130
5131 if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
5132 tg3_abort_hw(tp, 1);
5133 }
5134
5135 err = tg3_chip_reset(tp);
5136 if (err)
5137 return err;
5138
5139 tg3_write_sig_legacy(tp, RESET_KIND_INIT);
5140
5141 /* This works around an issue with Athlon chipsets on
5142 * B3 tigon3 silicon. This bit has no effect on any
5143 * other revision. But do not set this on PCI Express
5144 * chips.
5145 */
5146 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
5147 tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
5148 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
5149
5150 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
5151 (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
5152 val = tr32(TG3PCI_PCISTATE);
5153 val |= PCISTATE_RETRY_SAME_DMA;
5154 tw32(TG3PCI_PCISTATE, val);
5155 }
5156
5157 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
5158 /* Enable some hw fixes. */
5159 val = tr32(TG3PCI_MSI_DATA);
5160 val |= (1 << 26) | (1 << 28) | (1 << 29);
5161 tw32(TG3PCI_MSI_DATA, val);
5162 }
5163
5164 /* Descriptor ring init may make accesses to the
5165 * NIC SRAM area to setup the TX descriptors, so we
5166 * can only do this after the hardware has been
5167 * successfully reset.
5168 */
5169 tg3_init_rings(tp);
5170
5171 /* This value is determined during the probe time DMA
5172 * engine test, tg3_test_dma.
5173 */
5174 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
5175
5176 tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
5177 GRC_MODE_4X_NIC_SEND_RINGS |
5178 GRC_MODE_NO_TX_PHDR_CSUM |
5179 GRC_MODE_NO_RX_PHDR_CSUM);
5180 tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
5181 if (tp->tg3_flags & TG3_FLAG_NO_TX_PSEUDO_CSUM)
5182 tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
5183 if (tp->tg3_flags & TG3_FLAG_NO_RX_PSEUDO_CSUM)
5184 tp->grc_mode |= GRC_MODE_NO_RX_PHDR_CSUM;
5185
5186 tw32(GRC_MODE,
5187 tp->grc_mode |
5188 (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
5189
5190 /* Setup the timer prescalar register. Clock is always 66Mhz. */
5191 val = tr32(GRC_MISC_CFG);
5192 val &= ~0xff;
5193 val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
5194 tw32(GRC_MISC_CFG, val);
5195
5196 /* Initialize MBUF/DESC pool. */
5197 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
5198 /* Do nothing. */
5199 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
5200 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
5201 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
5202 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
5203 else
5204 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
5205 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
5206 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
5207 }
5208 #if TG3_TSO_SUPPORT != 0
5209 else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
5210 int fw_len;
5211
5212 fw_len = (TG3_TSO5_FW_TEXT_LEN +
5213 TG3_TSO5_FW_RODATA_LEN +
5214 TG3_TSO5_FW_DATA_LEN +
5215 TG3_TSO5_FW_SBSS_LEN +
5216 TG3_TSO5_FW_BSS_LEN);
5217 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
5218 tw32(BUFMGR_MB_POOL_ADDR,
5219 NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
5220 tw32(BUFMGR_MB_POOL_SIZE,
5221 NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
5222 }
5223 #endif
5224
5225 if (!(tp->tg3_flags & TG3_FLAG_JUMBO_ENABLE)) {
5226 tw32(BUFMGR_MB_RDMA_LOW_WATER,
5227 tp->bufmgr_config.mbuf_read_dma_low_water);
5228 tw32(BUFMGR_MB_MACRX_LOW_WATER,
5229 tp->bufmgr_config.mbuf_mac_rx_low_water);
5230 tw32(BUFMGR_MB_HIGH_WATER,
5231 tp->bufmgr_config.mbuf_high_water);
5232 } else {
5233 tw32(BUFMGR_MB_RDMA_LOW_WATER,
5234 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
5235 tw32(BUFMGR_MB_MACRX_LOW_WATER,
5236 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
5237 tw32(BUFMGR_MB_HIGH_WATER,
5238 tp->bufmgr_config.mbuf_high_water_jumbo);
5239 }
5240 tw32(BUFMGR_DMA_LOW_WATER,
5241 tp->bufmgr_config.dma_low_water);
5242 tw32(BUFMGR_DMA_HIGH_WATER,
5243 tp->bufmgr_config.dma_high_water);
5244
5245 tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
5246 for (i = 0; i < 2000; i++) {
5247 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
5248 break;
5249 udelay(10);
5250 }
5251 if (i >= 2000) {
5252 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
5253 tp->dev->name);
5254 return -ENODEV;
5255 }
5256
5257 /* Setup replenish threshold. */
5258 tw32(RCVBDI_STD_THRESH, tp->rx_pending / 8);
5259
5260 /* Initialize TG3_BDINFO's at:
5261 * RCVDBDI_STD_BD: standard eth size rx ring
5262 * RCVDBDI_JUMBO_BD: jumbo frame rx ring
5263 * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
5264 *
5265 * like so:
5266 * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
5267 * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
5268 * ring attribute flags
5269 * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
5270 *
5271 * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
5272 * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
5273 *
5274 * The size of each ring is fixed in the firmware, but the location is
5275 * configurable.
5276 */
5277 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
5278 ((u64) tp->rx_std_mapping >> 32));
5279 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
5280 ((u64) tp->rx_std_mapping & 0xffffffff));
5281 tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
5282 NIC_SRAM_RX_BUFFER_DESC);
5283
5284 /* Don't even try to program the JUMBO/MINI buffer descriptor
5285 * configs on 5705.
5286 */
5287 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
5288 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
5289 RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
5290 } else {
5291 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
5292 RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
5293
5294 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
5295 BDINFO_FLAGS_DISABLED);
5296
5297 /* Setup replenish threshold. */
5298 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
5299
5300 if (tp->tg3_flags & TG3_FLAG_JUMBO_ENABLE) {
5301 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
5302 ((u64) tp->rx_jumbo_mapping >> 32));
5303 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
5304 ((u64) tp->rx_jumbo_mapping & 0xffffffff));
5305 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
5306 RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
5307 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
5308 NIC_SRAM_RX_JUMBO_BUFFER_DESC);
5309 } else {
5310 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
5311 BDINFO_FLAGS_DISABLED);
5312 }
5313
5314 }
5315
5316 /* There is only one send ring on 5705/5750, no need to explicitly
5317 * disable the others.
5318 */
5319 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5320 /* Clear out send RCB ring in SRAM. */
5321 for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
5322 tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
5323 BDINFO_FLAGS_DISABLED);
5324 }
5325
5326 tp->tx_prod = 0;
5327 tp->tx_cons = 0;
5328 tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
5329 tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
5330
5331 tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
5332 tp->tx_desc_mapping,
5333 (TG3_TX_RING_SIZE <<
5334 BDINFO_FLAGS_MAXLEN_SHIFT),
5335 NIC_SRAM_TX_BUFFER_DESC);
5336
5337 /* There is only one receive return ring on 5705/5750, no need
5338 * to explicitly disable the others.
5339 */
5340 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5341 for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
5342 i += TG3_BDINFO_SIZE) {
5343 tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
5344 BDINFO_FLAGS_DISABLED);
5345 }
5346 }
5347
5348 tp->rx_rcb_ptr = 0;
5349 tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
5350
5351 tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
5352 tp->rx_rcb_mapping,
5353 (TG3_RX_RCB_RING_SIZE(tp) <<
5354 BDINFO_FLAGS_MAXLEN_SHIFT),
5355 0);
5356
5357 tp->rx_std_ptr = tp->rx_pending;
5358 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
5359 tp->rx_std_ptr);
5360
5361 tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_ENABLE) ?
5362 tp->rx_jumbo_pending : 0;
5363 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
5364 tp->rx_jumbo_ptr);
5365
5366 /* Initialize MAC address and backoff seed. */
5367 __tg3_set_mac_addr(tp);
5368
5369 /* MTU + ethernet header + FCS + optional VLAN tag */
5370 tw32(MAC_RX_MTU_SIZE, tp->dev->mtu + ETH_HLEN + 8);
5371
5372 /* The slot time is changed by tg3_setup_phy if we
5373 * run at gigabit with half duplex.
5374 */
5375 tw32(MAC_TX_LENGTHS,
5376 (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
5377 (6 << TX_LENGTHS_IPG_SHIFT) |
5378 (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
5379
5380 /* Receive rules. */
5381 tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
5382 tw32(RCVLPC_CONFIG, 0x0181);
5383
5384 /* Calculate RDMAC_MODE setting early, we need it to determine
5385 * the RCVLPC_STATE_ENABLE mask.
5386 */
5387 rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
5388 RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
5389 RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
5390 RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
5391 RDMAC_MODE_LNGREAD_ENAB);
5392 if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
5393 rdmac_mode |= RDMAC_MODE_SPLIT_ENABLE;
5394
5395 /* If statement applies to 5705 and 5750 PCI devices only */
5396 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
5397 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
5398 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
5399 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
5400 (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
5401 tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
5402 rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
5403 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
5404 !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
5405 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
5406 }
5407 }
5408
5409 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
5410 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
5411
5412 #if TG3_TSO_SUPPORT != 0
5413 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5414 rdmac_mode |= (1 << 27);
5415 #endif
5416
5417 /* Receive/send statistics. */
5418 if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
5419 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
5420 val = tr32(RCVLPC_STATS_ENABLE);
5421 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
5422 tw32(RCVLPC_STATS_ENABLE, val);
5423 } else {
5424 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
5425 }
5426 tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
5427 tw32(SNDDATAI_STATSENAB, 0xffffff);
5428 tw32(SNDDATAI_STATSCTRL,
5429 (SNDDATAI_SCTRL_ENABLE |
5430 SNDDATAI_SCTRL_FASTUPD));
5431
5432 /* Setup host coalescing engine. */
5433 tw32(HOSTCC_MODE, 0);
5434 for (i = 0; i < 2000; i++) {
5435 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
5436 break;
5437 udelay(10);
5438 }
5439
5440 tg3_set_coalesce(tp, &tp->coal);
5441
5442 /* set status block DMA address */
5443 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
5444 ((u64) tp->status_mapping >> 32));
5445 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
5446 ((u64) tp->status_mapping & 0xffffffff));
5447
5448 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5449 /* Status/statistics block address. See tg3_timer,
5450 * the tg3_periodic_fetch_stats call there, and
5451 * tg3_get_stats to see how this works for 5705/5750 chips.
5452 */
5453 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
5454 ((u64) tp->stats_mapping >> 32));
5455 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
5456 ((u64) tp->stats_mapping & 0xffffffff));
5457 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
5458 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
5459 }
5460
5461 tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
5462
5463 tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
5464 tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
5465 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
5466 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
5467
5468 /* Clear statistics/status block in chip, and status block in ram. */
5469 for (i = NIC_SRAM_STATS_BLK;
5470 i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
5471 i += sizeof(u32)) {
5472 tg3_write_mem(tp, i, 0);
5473 udelay(40);
5474 }
5475 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
5476
5477 tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
5478 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
5479 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
5480 udelay(40);
5481
5482 /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
5483 * If TG3_FLAG_EEPROM_WRITE_PROT is set, we should read the
5484 * register to preserve the GPIO settings for LOMs. The GPIOs,
5485 * whether used as inputs or outputs, are set by boot code after
5486 * reset.
5487 */
5488 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
5489 u32 gpio_mask;
5490
5491 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE2 |
5492 GRC_LCLCTRL_GPIO_OUTPUT0 | GRC_LCLCTRL_GPIO_OUTPUT2;
5493
5494 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
5495 gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
5496 GRC_LCLCTRL_GPIO_OUTPUT3;
5497
5498 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
5499
5500 /* GPIO1 must be driven high for eeprom write protect */
5501 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
5502 GRC_LCLCTRL_GPIO_OUTPUT1);
5503 }
5504 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
5505 udelay(100);
5506
5507 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
5508 tr32(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW);
5509 tp->last_tag = 0;
5510
5511 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5512 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
5513 udelay(40);
5514 }
5515
5516 val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
5517 WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
5518 WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
5519 WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
5520 WDMAC_MODE_LNGREAD_ENAB);
5521
5522 /* If statement applies to 5705 and 5750 PCI devices only */
5523 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
5524 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
5525 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
5526 if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
5527 (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
5528 tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
5529 /* nothing */
5530 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
5531 !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
5532 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
5533 val |= WDMAC_MODE_RX_ACCEL;
5534 }
5535 }
5536
5537 tw32_f(WDMAC_MODE, val);
5538 udelay(40);
5539
5540 if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) {
5541 val = tr32(TG3PCI_X_CAPS);
5542 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
5543 val &= ~PCIX_CAPS_BURST_MASK;
5544 val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
5545 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
5546 val &= ~(PCIX_CAPS_SPLIT_MASK | PCIX_CAPS_BURST_MASK);
5547 val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
5548 if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
5549 val |= (tp->split_mode_max_reqs <<
5550 PCIX_CAPS_SPLIT_SHIFT);
5551 }
5552 tw32(TG3PCI_X_CAPS, val);
5553 }
5554
5555 tw32_f(RDMAC_MODE, rdmac_mode);
5556 udelay(40);
5557
5558 tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
5559 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
5560 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
5561 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
5562 tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
5563 tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
5564 tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
5565 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
5566 #if TG3_TSO_SUPPORT != 0
5567 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5568 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
5569 #endif
5570 tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
5571 tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
5572
5573 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
5574 err = tg3_load_5701_a0_firmware_fix(tp);
5575 if (err)
5576 return err;
5577 }
5578
5579 #if TG3_TSO_SUPPORT != 0
5580 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
5581 err = tg3_load_tso_firmware(tp);
5582 if (err)
5583 return err;
5584 }
5585 #endif
5586
5587 tp->tx_mode = TX_MODE_ENABLE;
5588 tw32_f(MAC_TX_MODE, tp->tx_mode);
5589 udelay(100);
5590
5591 tp->rx_mode = RX_MODE_ENABLE;
5592 tw32_f(MAC_RX_MODE, tp->rx_mode);
5593 udelay(10);
5594
5595 if (tp->link_config.phy_is_low_power) {
5596 tp->link_config.phy_is_low_power = 0;
5597 tp->link_config.speed = tp->link_config.orig_speed;
5598 tp->link_config.duplex = tp->link_config.orig_duplex;
5599 tp->link_config.autoneg = tp->link_config.orig_autoneg;
5600 }
5601
5602 tp->mi_mode = MAC_MI_MODE_BASE;
5603 tw32_f(MAC_MI_MODE, tp->mi_mode);
5604 udelay(80);
5605
5606 tw32(MAC_LED_CTRL, tp->led_ctrl);
5607
5608 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
5609 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
5610 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
5611 udelay(10);
5612 }
5613 tw32_f(MAC_RX_MODE, tp->rx_mode);
5614 udelay(10);
5615
5616 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
5617 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
5618 !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
5619 /* Set drive transmission level to 1.2V */
5620 /* only if the signal pre-emphasis bit is not set */
5621 val = tr32(MAC_SERDES_CFG);
5622 val &= 0xfffff000;
5623 val |= 0x880;
5624 tw32(MAC_SERDES_CFG, val);
5625 }
5626 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
5627 tw32(MAC_SERDES_CFG, 0x616000);
5628 }
5629
5630 /* Prevent chip from dropping frames when flow control
5631 * is enabled.
5632 */
5633 tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
5634
5635 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
5636 (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
5637 /* Use hardware link auto-negotiation */
5638 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
5639 }
5640
5641 err = tg3_setup_phy(tp, 1);
5642 if (err)
5643 return err;
5644
5645 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
5646 u32 tmp;
5647
5648 /* Clear CRC stats. */
5649 if (!tg3_readphy(tp, 0x1e, &tmp)) {
5650 tg3_writephy(tp, 0x1e, tmp | 0x8000);
5651 tg3_readphy(tp, 0x14, &tmp);
5652 }
5653 }
5654
5655 __tg3_set_rx_mode(tp->dev);
5656
5657 /* Initialize receive rules. */
5658 tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
5659 tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
5660 tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
5661 tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
5662
5663 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
5664 limit = 8;
5665 else
5666 limit = 16;
5667 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
5668 limit -= 4;
5669 switch (limit) {
5670 case 16:
5671 tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
5672 case 15:
5673 tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
5674 case 14:
5675 tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
5676 case 13:
5677 tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
5678 case 12:
5679 tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
5680 case 11:
5681 tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
5682 case 10:
5683 tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
5684 case 9:
5685 tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
5686 case 8:
5687 tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
5688 case 7:
5689 tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
5690 case 6:
5691 tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
5692 case 5:
5693 tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
5694 case 4:
5695 /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
5696 case 3:
5697 /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
5698 case 2:
5699 case 1:
5700
5701 default:
5702 break;
5703 };
5704
5705 tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
5706
5707 if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)
5708 tg3_enable_ints(tp);
5709
5710 return 0;
5711 }
5712
5713 /* Called at device open time to get the chip ready for
5714 * packet processing. Invoked with tp->lock held.
5715 */
5716 static int tg3_init_hw(struct tg3 *tp)
5717 {
5718 int err;
5719
5720 /* Force the chip into D0. */
5721 err = tg3_set_power_state(tp, 0);
5722 if (err)
5723 goto out;
5724
5725 tg3_switch_clocks(tp);
5726
5727 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
5728
5729 err = tg3_reset_hw(tp);
5730
5731 out:
5732 return err;
5733 }
5734
5735 #define TG3_STAT_ADD32(PSTAT, REG) \
5736 do { u32 __val = tr32(REG); \
5737 (PSTAT)->low += __val; \
5738 if ((PSTAT)->low < __val) \
5739 (PSTAT)->high += 1; \
5740 } while (0)
5741
5742 static void tg3_periodic_fetch_stats(struct tg3 *tp)
5743 {
5744 struct tg3_hw_stats *sp = tp->hw_stats;
5745
5746 if (!netif_carrier_ok(tp->dev))
5747 return;
5748
5749 TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
5750 TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
5751 TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
5752 TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
5753 TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
5754 TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
5755 TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
5756 TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
5757 TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
5758 TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
5759 TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
5760 TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
5761 TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
5762
5763 TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
5764 TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
5765 TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
5766 TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
5767 TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
5768 TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
5769 TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
5770 TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
5771 TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
5772 TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
5773 TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
5774 TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
5775 TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
5776 TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
5777 }
5778
5779 static void tg3_timer(unsigned long __opaque)
5780 {
5781 struct tg3 *tp = (struct tg3 *) __opaque;
5782 unsigned long flags;
5783
5784 spin_lock_irqsave(&tp->lock, flags);
5785 spin_lock(&tp->tx_lock);
5786
5787 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
5788 /* All of this garbage is because when using non-tagged
5789 * IRQ status the mailbox/status_block protocol the chip
5790 * uses with the cpu is race prone.
5791 */
5792 if (tp->hw_status->status & SD_STATUS_UPDATED) {
5793 tw32(GRC_LOCAL_CTRL,
5794 tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
5795 } else {
5796 tw32(HOSTCC_MODE, tp->coalesce_mode |
5797 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
5798 }
5799
5800 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
5801 tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
5802 spin_unlock(&tp->tx_lock);
5803 spin_unlock_irqrestore(&tp->lock, flags);
5804 schedule_work(&tp->reset_task);
5805 return;
5806 }
5807 }
5808
5809 /* This part only runs once per second. */
5810 if (!--tp->timer_counter) {
5811 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
5812 tg3_periodic_fetch_stats(tp);
5813
5814 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
5815 u32 mac_stat;
5816 int phy_event;
5817
5818 mac_stat = tr32(MAC_STATUS);
5819
5820 phy_event = 0;
5821 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
5822 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
5823 phy_event = 1;
5824 } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
5825 phy_event = 1;
5826
5827 if (phy_event)
5828 tg3_setup_phy(tp, 0);
5829 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
5830 u32 mac_stat = tr32(MAC_STATUS);
5831 int need_setup = 0;
5832
5833 if (netif_carrier_ok(tp->dev) &&
5834 (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
5835 need_setup = 1;
5836 }
5837 if (! netif_carrier_ok(tp->dev) &&
5838 (mac_stat & (MAC_STATUS_PCS_SYNCED |
5839 MAC_STATUS_SIGNAL_DET))) {
5840 need_setup = 1;
5841 }
5842 if (need_setup) {
5843 tw32_f(MAC_MODE,
5844 (tp->mac_mode &
5845 ~MAC_MODE_PORT_MODE_MASK));
5846 udelay(40);
5847 tw32_f(MAC_MODE, tp->mac_mode);
5848 udelay(40);
5849 tg3_setup_phy(tp, 0);
5850 }
5851 }
5852
5853 tp->timer_counter = tp->timer_multiplier;
5854 }
5855
5856 /* Heartbeat is only sent once every 120 seconds. */
5857 if (!--tp->asf_counter) {
5858 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
5859 u32 val;
5860
5861 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_ALIVE);
5862 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
5863 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 3);
5864 val = tr32(GRC_RX_CPU_EVENT);
5865 val |= (1 << 14);
5866 tw32(GRC_RX_CPU_EVENT, val);
5867 }
5868 tp->asf_counter = tp->asf_multiplier;
5869 }
5870
5871 spin_unlock(&tp->tx_lock);
5872 spin_unlock_irqrestore(&tp->lock, flags);
5873
5874 tp->timer.expires = jiffies + tp->timer_offset;
5875 add_timer(&tp->timer);
5876 }
5877
5878 static int tg3_test_interrupt(struct tg3 *tp)
5879 {
5880 struct net_device *dev = tp->dev;
5881 int err, i;
5882 u32 int_mbox = 0;
5883
5884 tg3_disable_ints(tp);
5885
5886 free_irq(tp->pdev->irq, dev);
5887
5888 err = request_irq(tp->pdev->irq, tg3_test_isr,
5889 SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
5890 if (err)
5891 return err;
5892
5893 tg3_enable_ints(tp);
5894
5895 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
5896 HOSTCC_MODE_NOW);
5897
5898 for (i = 0; i < 5; i++) {
5899 int_mbox = tr32(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW);
5900 if (int_mbox != 0)
5901 break;
5902 msleep(10);
5903 }
5904
5905 tg3_disable_ints(tp);
5906
5907 free_irq(tp->pdev->irq, dev);
5908
5909 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
5910 err = request_irq(tp->pdev->irq, tg3_msi,
5911 SA_SAMPLE_RANDOM, dev->name, dev);
5912 else {
5913 irqreturn_t (*fn)(int, void *, struct pt_regs *)=tg3_interrupt;
5914 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
5915 fn = tg3_interrupt_tagged;
5916 err = request_irq(tp->pdev->irq, fn,
5917 SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
5918 }
5919
5920 if (err)
5921 return err;
5922
5923 if (int_mbox != 0)
5924 return 0;
5925
5926 return -EIO;
5927 }
5928
5929 /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
5930 * successfully restored
5931 */
5932 static int tg3_test_msi(struct tg3 *tp)
5933 {
5934 struct net_device *dev = tp->dev;
5935 int err;
5936 u16 pci_cmd;
5937
5938 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
5939 return 0;
5940
5941 /* Turn off SERR reporting in case MSI terminates with Master
5942 * Abort.
5943 */
5944 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
5945 pci_write_config_word(tp->pdev, PCI_COMMAND,
5946 pci_cmd & ~PCI_COMMAND_SERR);
5947
5948 err = tg3_test_interrupt(tp);
5949
5950 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
5951
5952 if (!err)
5953 return 0;
5954
5955 /* other failures */
5956 if (err != -EIO)
5957 return err;
5958
5959 /* MSI test failed, go back to INTx mode */
5960 printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
5961 "switching to INTx mode. Please report this failure to "
5962 "the PCI maintainer and include system chipset information.\n",
5963 tp->dev->name);
5964
5965 free_irq(tp->pdev->irq, dev);
5966 pci_disable_msi(tp->pdev);
5967
5968 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
5969
5970 {
5971 irqreturn_t (*fn)(int, void *, struct pt_regs *)=tg3_interrupt;
5972 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
5973 fn = tg3_interrupt_tagged;
5974
5975 err = request_irq(tp->pdev->irq, fn,
5976 SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
5977 }
5978 if (err)
5979 return err;
5980
5981 /* Need to reset the chip because the MSI cycle may have terminated
5982 * with Master Abort.
5983 */
5984 spin_lock_irq(&tp->lock);
5985 spin_lock(&tp->tx_lock);
5986
5987 tg3_halt(tp, 1);
5988 err = tg3_init_hw(tp);
5989
5990 spin_unlock(&tp->tx_lock);
5991 spin_unlock_irq(&tp->lock);
5992
5993 if (err)
5994 free_irq(tp->pdev->irq, dev);
5995
5996 return err;
5997 }
5998
5999 static int tg3_open(struct net_device *dev)
6000 {
6001 struct tg3 *tp = netdev_priv(dev);
6002 int err;
6003
6004 spin_lock_irq(&tp->lock);
6005 spin_lock(&tp->tx_lock);
6006
6007 tg3_disable_ints(tp);
6008 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
6009
6010 spin_unlock(&tp->tx_lock);
6011 spin_unlock_irq(&tp->lock);
6012
6013 /* The placement of this call is tied
6014 * to the setup and use of Host TX descriptors.
6015 */
6016 err = tg3_alloc_consistent(tp);
6017 if (err)
6018 return err;
6019
6020 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
6021 (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_AX) &&
6022 (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_BX)) {
6023 /* All MSI supporting chips should support tagged
6024 * status. Assert that this is the case.
6025 */
6026 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
6027 printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
6028 "Not using MSI.\n", tp->dev->name);
6029 } else if (pci_enable_msi(tp->pdev) == 0) {
6030 u32 msi_mode;
6031
6032 msi_mode = tr32(MSGINT_MODE);
6033 tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
6034 tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
6035 }
6036 }
6037 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
6038 err = request_irq(tp->pdev->irq, tg3_msi,
6039 SA_SAMPLE_RANDOM, dev->name, dev);
6040 else {
6041 irqreturn_t (*fn)(int, void *, struct pt_regs *)=tg3_interrupt;
6042 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
6043 fn = tg3_interrupt_tagged;
6044
6045 err = request_irq(tp->pdev->irq, fn,
6046 SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
6047 }
6048
6049 if (err) {
6050 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6051 pci_disable_msi(tp->pdev);
6052 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
6053 }
6054 tg3_free_consistent(tp);
6055 return err;
6056 }
6057
6058 spin_lock_irq(&tp->lock);
6059 spin_lock(&tp->tx_lock);
6060
6061 err = tg3_init_hw(tp);
6062 if (err) {
6063 tg3_halt(tp, 1);
6064 tg3_free_rings(tp);
6065 } else {
6066 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
6067 tp->timer_offset = HZ;
6068 else
6069 tp->timer_offset = HZ / 10;
6070
6071 BUG_ON(tp->timer_offset > HZ);
6072 tp->timer_counter = tp->timer_multiplier =
6073 (HZ / tp->timer_offset);
6074 tp->asf_counter = tp->asf_multiplier =
6075 ((HZ / tp->timer_offset) * 120);
6076
6077 init_timer(&tp->timer);
6078 tp->timer.expires = jiffies + tp->timer_offset;
6079 tp->timer.data = (unsigned long) tp;
6080 tp->timer.function = tg3_timer;
6081 }
6082
6083 spin_unlock(&tp->tx_lock);
6084 spin_unlock_irq(&tp->lock);
6085
6086 if (err) {
6087 free_irq(tp->pdev->irq, dev);
6088 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6089 pci_disable_msi(tp->pdev);
6090 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
6091 }
6092 tg3_free_consistent(tp);
6093 return err;
6094 }
6095
6096 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6097 err = tg3_test_msi(tp);
6098
6099 if (err) {
6100 spin_lock_irq(&tp->lock);
6101 spin_lock(&tp->tx_lock);
6102
6103 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6104 pci_disable_msi(tp->pdev);
6105 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
6106 }
6107 tg3_halt(tp, 1);
6108 tg3_free_rings(tp);
6109 tg3_free_consistent(tp);
6110
6111 spin_unlock(&tp->tx_lock);
6112 spin_unlock_irq(&tp->lock);
6113
6114 return err;
6115 }
6116 }
6117
6118 spin_lock_irq(&tp->lock);
6119 spin_lock(&tp->tx_lock);
6120
6121 add_timer(&tp->timer);
6122 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
6123 tg3_enable_ints(tp);
6124
6125 spin_unlock(&tp->tx_lock);
6126 spin_unlock_irq(&tp->lock);
6127
6128 netif_start_queue(dev);
6129
6130 return 0;
6131 }
6132
6133 #if 0
6134 /*static*/ void tg3_dump_state(struct tg3 *tp)
6135 {
6136 u32 val32, val32_2, val32_3, val32_4, val32_5;
6137 u16 val16;
6138 int i;
6139
6140 pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
6141 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
6142 printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
6143 val16, val32);
6144
6145 /* MAC block */
6146 printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
6147 tr32(MAC_MODE), tr32(MAC_STATUS));
6148 printk(" MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
6149 tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
6150 printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
6151 tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
6152 printk(" MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
6153 tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
6154
6155 /* Send data initiator control block */
6156 printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
6157 tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
6158 printk(" SNDDATAI_STATSCTRL[%08x]\n",
6159 tr32(SNDDATAI_STATSCTRL));
6160
6161 /* Send data completion control block */
6162 printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
6163
6164 /* Send BD ring selector block */
6165 printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
6166 tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
6167
6168 /* Send BD initiator control block */
6169 printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
6170 tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
6171
6172 /* Send BD completion control block */
6173 printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
6174
6175 /* Receive list placement control block */
6176 printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
6177 tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
6178 printk(" RCVLPC_STATSCTRL[%08x]\n",
6179 tr32(RCVLPC_STATSCTRL));
6180
6181 /* Receive data and receive BD initiator control block */
6182 printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
6183 tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
6184
6185 /* Receive data completion control block */
6186 printk("DEBUG: RCVDCC_MODE[%08x]\n",
6187 tr32(RCVDCC_MODE));
6188
6189 /* Receive BD initiator control block */
6190 printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
6191 tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
6192
6193 /* Receive BD completion control block */
6194 printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
6195 tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
6196
6197 /* Receive list selector control block */
6198 printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
6199 tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
6200
6201 /* Mbuf cluster free block */
6202 printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
6203 tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
6204
6205 /* Host coalescing control block */
6206 printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
6207 tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
6208 printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
6209 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
6210 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
6211 printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
6212 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
6213 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
6214 printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
6215 tr32(HOSTCC_STATS_BLK_NIC_ADDR));
6216 printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
6217 tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
6218
6219 /* Memory arbiter control block */
6220 printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
6221 tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
6222
6223 /* Buffer manager control block */
6224 printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
6225 tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
6226 printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
6227 tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
6228 printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
6229 "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
6230 tr32(BUFMGR_DMA_DESC_POOL_ADDR),
6231 tr32(BUFMGR_DMA_DESC_POOL_SIZE));
6232
6233 /* Read DMA control block */
6234 printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
6235 tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
6236
6237 /* Write DMA control block */
6238 printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
6239 tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
6240
6241 /* DMA completion block */
6242 printk("DEBUG: DMAC_MODE[%08x]\n",
6243 tr32(DMAC_MODE));
6244
6245 /* GRC block */
6246 printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
6247 tr32(GRC_MODE), tr32(GRC_MISC_CFG));
6248 printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
6249 tr32(GRC_LOCAL_CTRL));
6250
6251 /* TG3_BDINFOs */
6252 printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
6253 tr32(RCVDBDI_JUMBO_BD + 0x0),
6254 tr32(RCVDBDI_JUMBO_BD + 0x4),
6255 tr32(RCVDBDI_JUMBO_BD + 0x8),
6256 tr32(RCVDBDI_JUMBO_BD + 0xc));
6257 printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
6258 tr32(RCVDBDI_STD_BD + 0x0),
6259 tr32(RCVDBDI_STD_BD + 0x4),
6260 tr32(RCVDBDI_STD_BD + 0x8),
6261 tr32(RCVDBDI_STD_BD + 0xc));
6262 printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
6263 tr32(RCVDBDI_MINI_BD + 0x0),
6264 tr32(RCVDBDI_MINI_BD + 0x4),
6265 tr32(RCVDBDI_MINI_BD + 0x8),
6266 tr32(RCVDBDI_MINI_BD + 0xc));
6267
6268 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
6269 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
6270 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
6271 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
6272 printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
6273 val32, val32_2, val32_3, val32_4);
6274
6275 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
6276 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
6277 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
6278 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
6279 printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
6280 val32, val32_2, val32_3, val32_4);
6281
6282 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
6283 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
6284 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
6285 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
6286 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
6287 printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
6288 val32, val32_2, val32_3, val32_4, val32_5);
6289
6290 /* SW status block */
6291 printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
6292 tp->hw_status->status,
6293 tp->hw_status->status_tag,
6294 tp->hw_status->rx_jumbo_consumer,
6295 tp->hw_status->rx_consumer,
6296 tp->hw_status->rx_mini_consumer,
6297 tp->hw_status->idx[0].rx_producer,
6298 tp->hw_status->idx[0].tx_consumer);
6299
6300 /* SW statistics block */
6301 printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
6302 ((u32 *)tp->hw_stats)[0],
6303 ((u32 *)tp->hw_stats)[1],
6304 ((u32 *)tp->hw_stats)[2],
6305 ((u32 *)tp->hw_stats)[3]);
6306
6307 /* Mailboxes */
6308 printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
6309 tr32(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
6310 tr32(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
6311 tr32(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
6312 tr32(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
6313
6314 /* NIC side send descriptors. */
6315 for (i = 0; i < 6; i++) {
6316 unsigned long txd;
6317
6318 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
6319 + (i * sizeof(struct tg3_tx_buffer_desc));
6320 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
6321 i,
6322 readl(txd + 0x0), readl(txd + 0x4),
6323 readl(txd + 0x8), readl(txd + 0xc));
6324 }
6325
6326 /* NIC side RX descriptors. */
6327 for (i = 0; i < 6; i++) {
6328 unsigned long rxd;
6329
6330 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
6331 + (i * sizeof(struct tg3_rx_buffer_desc));
6332 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
6333 i,
6334 readl(rxd + 0x0), readl(rxd + 0x4),
6335 readl(rxd + 0x8), readl(rxd + 0xc));
6336 rxd += (4 * sizeof(u32));
6337 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
6338 i,
6339 readl(rxd + 0x0), readl(rxd + 0x4),
6340 readl(rxd + 0x8), readl(rxd + 0xc));
6341 }
6342
6343 for (i = 0; i < 6; i++) {
6344 unsigned long rxd;
6345
6346 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
6347 + (i * sizeof(struct tg3_rx_buffer_desc));
6348 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
6349 i,
6350 readl(rxd + 0x0), readl(rxd + 0x4),
6351 readl(rxd + 0x8), readl(rxd + 0xc));
6352 rxd += (4 * sizeof(u32));
6353 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
6354 i,
6355 readl(rxd + 0x0), readl(rxd + 0x4),
6356 readl(rxd + 0x8), readl(rxd + 0xc));
6357 }
6358 }
6359 #endif
6360
6361 static struct net_device_stats *tg3_get_stats(struct net_device *);
6362 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
6363
6364 static int tg3_close(struct net_device *dev)
6365 {
6366 struct tg3 *tp = netdev_priv(dev);
6367
6368 netif_stop_queue(dev);
6369
6370 del_timer_sync(&tp->timer);
6371
6372 spin_lock_irq(&tp->lock);
6373 spin_lock(&tp->tx_lock);
6374 #if 0
6375 tg3_dump_state(tp);
6376 #endif
6377
6378 tg3_disable_ints(tp);
6379
6380 tg3_halt(tp, 1);
6381 tg3_free_rings(tp);
6382 tp->tg3_flags &=
6383 ~(TG3_FLAG_INIT_COMPLETE |
6384 TG3_FLAG_GOT_SERDES_FLOWCTL);
6385 netif_carrier_off(tp->dev);
6386
6387 spin_unlock(&tp->tx_lock);
6388 spin_unlock_irq(&tp->lock);
6389
6390 free_irq(tp->pdev->irq, dev);
6391 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6392 pci_disable_msi(tp->pdev);
6393 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
6394 }
6395
6396 memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
6397 sizeof(tp->net_stats_prev));
6398 memcpy(&tp->estats_prev, tg3_get_estats(tp),
6399 sizeof(tp->estats_prev));
6400
6401 tg3_free_consistent(tp);
6402
6403 return 0;
6404 }
6405
6406 static inline unsigned long get_stat64(tg3_stat64_t *val)
6407 {
6408 unsigned long ret;
6409
6410 #if (BITS_PER_LONG == 32)
6411 ret = val->low;
6412 #else
6413 ret = ((u64)val->high << 32) | ((u64)val->low);
6414 #endif
6415 return ret;
6416 }
6417
6418 static unsigned long calc_crc_errors(struct tg3 *tp)
6419 {
6420 struct tg3_hw_stats *hw_stats = tp->hw_stats;
6421
6422 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
6423 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
6424 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
6425 unsigned long flags;
6426 u32 val;
6427
6428 spin_lock_irqsave(&tp->lock, flags);
6429 if (!tg3_readphy(tp, 0x1e, &val)) {
6430 tg3_writephy(tp, 0x1e, val | 0x8000);
6431 tg3_readphy(tp, 0x14, &val);
6432 } else
6433 val = 0;
6434 spin_unlock_irqrestore(&tp->lock, flags);
6435
6436 tp->phy_crc_errors += val;
6437
6438 return tp->phy_crc_errors;
6439 }
6440
6441 return get_stat64(&hw_stats->rx_fcs_errors);
6442 }
6443
6444 #define ESTAT_ADD(member) \
6445 estats->member = old_estats->member + \
6446 get_stat64(&hw_stats->member)
6447
6448 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
6449 {
6450 struct tg3_ethtool_stats *estats = &tp->estats;
6451 struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
6452 struct tg3_hw_stats *hw_stats = tp->hw_stats;
6453
6454 if (!hw_stats)
6455 return old_estats;
6456
6457 ESTAT_ADD(rx_octets);
6458 ESTAT_ADD(rx_fragments);
6459 ESTAT_ADD(rx_ucast_packets);
6460 ESTAT_ADD(rx_mcast_packets);
6461 ESTAT_ADD(rx_bcast_packets);
6462 ESTAT_ADD(rx_fcs_errors);
6463 ESTAT_ADD(rx_align_errors);
6464 ESTAT_ADD(rx_xon_pause_rcvd);
6465 ESTAT_ADD(rx_xoff_pause_rcvd);
6466 ESTAT_ADD(rx_mac_ctrl_rcvd);
6467 ESTAT_ADD(rx_xoff_entered);
6468 ESTAT_ADD(rx_frame_too_long_errors);
6469 ESTAT_ADD(rx_jabbers);
6470 ESTAT_ADD(rx_undersize_packets);
6471 ESTAT_ADD(rx_in_length_errors);
6472 ESTAT_ADD(rx_out_length_errors);
6473 ESTAT_ADD(rx_64_or_less_octet_packets);
6474 ESTAT_ADD(rx_65_to_127_octet_packets);
6475 ESTAT_ADD(rx_128_to_255_octet_packets);
6476 ESTAT_ADD(rx_256_to_511_octet_packets);
6477 ESTAT_ADD(rx_512_to_1023_octet_packets);
6478 ESTAT_ADD(rx_1024_to_1522_octet_packets);
6479 ESTAT_ADD(rx_1523_to_2047_octet_packets);
6480 ESTAT_ADD(rx_2048_to_4095_octet_packets);
6481 ESTAT_ADD(rx_4096_to_8191_octet_packets);
6482 ESTAT_ADD(rx_8192_to_9022_octet_packets);
6483
6484 ESTAT_ADD(tx_octets);
6485 ESTAT_ADD(tx_collisions);
6486 ESTAT_ADD(tx_xon_sent);
6487 ESTAT_ADD(tx_xoff_sent);
6488 ESTAT_ADD(tx_flow_control);
6489 ESTAT_ADD(tx_mac_errors);
6490 ESTAT_ADD(tx_single_collisions);
6491 ESTAT_ADD(tx_mult_collisions);
6492 ESTAT_ADD(tx_deferred);
6493 ESTAT_ADD(tx_excessive_collisions);
6494 ESTAT_ADD(tx_late_collisions);
6495 ESTAT_ADD(tx_collide_2times);
6496 ESTAT_ADD(tx_collide_3times);
6497 ESTAT_ADD(tx_collide_4times);
6498 ESTAT_ADD(tx_collide_5times);
6499 ESTAT_ADD(tx_collide_6times);
6500 ESTAT_ADD(tx_collide_7times);
6501 ESTAT_ADD(tx_collide_8times);
6502 ESTAT_ADD(tx_collide_9times);
6503 ESTAT_ADD(tx_collide_10times);
6504 ESTAT_ADD(tx_collide_11times);
6505 ESTAT_ADD(tx_collide_12times);
6506 ESTAT_ADD(tx_collide_13times);
6507 ESTAT_ADD(tx_collide_14times);
6508 ESTAT_ADD(tx_collide_15times);
6509 ESTAT_ADD(tx_ucast_packets);
6510 ESTAT_ADD(tx_mcast_packets);
6511 ESTAT_ADD(tx_bcast_packets);
6512 ESTAT_ADD(tx_carrier_sense_errors);
6513 ESTAT_ADD(tx_discards);
6514 ESTAT_ADD(tx_errors);
6515
6516 ESTAT_ADD(dma_writeq_full);
6517 ESTAT_ADD(dma_write_prioq_full);
6518 ESTAT_ADD(rxbds_empty);
6519 ESTAT_ADD(rx_discards);
6520 ESTAT_ADD(rx_errors);
6521 ESTAT_ADD(rx_threshold_hit);
6522
6523 ESTAT_ADD(dma_readq_full);
6524 ESTAT_ADD(dma_read_prioq_full);
6525 ESTAT_ADD(tx_comp_queue_full);
6526
6527 ESTAT_ADD(ring_set_send_prod_index);
6528 ESTAT_ADD(ring_status_update);
6529 ESTAT_ADD(nic_irqs);
6530 ESTAT_ADD(nic_avoided_irqs);
6531 ESTAT_ADD(nic_tx_threshold_hit);
6532
6533 return estats;
6534 }
6535
6536 static struct net_device_stats *tg3_get_stats(struct net_device *dev)
6537 {
6538 struct tg3 *tp = netdev_priv(dev);
6539 struct net_device_stats *stats = &tp->net_stats;
6540 struct net_device_stats *old_stats = &tp->net_stats_prev;
6541 struct tg3_hw_stats *hw_stats = tp->hw_stats;
6542
6543 if (!hw_stats)
6544 return old_stats;
6545
6546 stats->rx_packets = old_stats->rx_packets +
6547 get_stat64(&hw_stats->rx_ucast_packets) +
6548 get_stat64(&hw_stats->rx_mcast_packets) +
6549 get_stat64(&hw_stats->rx_bcast_packets);
6550
6551 stats->tx_packets = old_stats->tx_packets +
6552 get_stat64(&hw_stats->tx_ucast_packets) +
6553 get_stat64(&hw_stats->tx_mcast_packets) +
6554 get_stat64(&hw_stats->tx_bcast_packets);
6555
6556 stats->rx_bytes = old_stats->rx_bytes +
6557 get_stat64(&hw_stats->rx_octets);
6558 stats->tx_bytes = old_stats->tx_bytes +
6559 get_stat64(&hw_stats->tx_octets);
6560
6561 stats->rx_errors = old_stats->rx_errors +
6562 get_stat64(&hw_stats->rx_errors) +
6563 get_stat64(&hw_stats->rx_discards);
6564 stats->tx_errors = old_stats->tx_errors +
6565 get_stat64(&hw_stats->tx_errors) +
6566 get_stat64(&hw_stats->tx_mac_errors) +
6567 get_stat64(&hw_stats->tx_carrier_sense_errors) +
6568 get_stat64(&hw_stats->tx_discards);
6569
6570 stats->multicast = old_stats->multicast +
6571 get_stat64(&hw_stats->rx_mcast_packets);
6572 stats->collisions = old_stats->collisions +
6573 get_stat64(&hw_stats->tx_collisions);
6574
6575 stats->rx_length_errors = old_stats->rx_length_errors +
6576 get_stat64(&hw_stats->rx_frame_too_long_errors) +
6577 get_stat64(&hw_stats->rx_undersize_packets);
6578
6579 stats->rx_over_errors = old_stats->rx_over_errors +
6580 get_stat64(&hw_stats->rxbds_empty);
6581 stats->rx_frame_errors = old_stats->rx_frame_errors +
6582 get_stat64(&hw_stats->rx_align_errors);
6583 stats->tx_aborted_errors = old_stats->tx_aborted_errors +
6584 get_stat64(&hw_stats->tx_discards);
6585 stats->tx_carrier_errors = old_stats->tx_carrier_errors +
6586 get_stat64(&hw_stats->tx_carrier_sense_errors);
6587
6588 stats->rx_crc_errors = old_stats->rx_crc_errors +
6589 calc_crc_errors(tp);
6590
6591 return stats;
6592 }
6593
6594 static inline u32 calc_crc(unsigned char *buf, int len)
6595 {
6596 u32 reg;
6597 u32 tmp;
6598 int j, k;
6599
6600 reg = 0xffffffff;
6601
6602 for (j = 0; j < len; j++) {
6603 reg ^= buf[j];
6604
6605 for (k = 0; k < 8; k++) {
6606 tmp = reg & 0x01;
6607
6608 reg >>= 1;
6609
6610 if (tmp) {
6611 reg ^= 0xedb88320;
6612 }
6613 }
6614 }
6615
6616 return ~reg;
6617 }
6618
6619 static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
6620 {
6621 /* accept or reject all multicast frames */
6622 tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
6623 tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
6624 tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
6625 tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
6626 }
6627
6628 static void __tg3_set_rx_mode(struct net_device *dev)
6629 {
6630 struct tg3 *tp = netdev_priv(dev);
6631 u32 rx_mode;
6632
6633 rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
6634 RX_MODE_KEEP_VLAN_TAG);
6635
6636 /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
6637 * flag clear.
6638 */
6639 #if TG3_VLAN_TAG_USED
6640 if (!tp->vlgrp &&
6641 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
6642 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
6643 #else
6644 /* By definition, VLAN is disabled always in this
6645 * case.
6646 */
6647 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
6648 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
6649 #endif
6650
6651 if (dev->flags & IFF_PROMISC) {
6652 /* Promiscuous mode. */
6653 rx_mode |= RX_MODE_PROMISC;
6654 } else if (dev->flags & IFF_ALLMULTI) {
6655 /* Accept all multicast. */
6656 tg3_set_multi (tp, 1);
6657 } else if (dev->mc_count < 1) {
6658 /* Reject all multicast. */
6659 tg3_set_multi (tp, 0);
6660 } else {
6661 /* Accept one or more multicast(s). */
6662 struct dev_mc_list *mclist;
6663 unsigned int i;
6664 u32 mc_filter[4] = { 0, };
6665 u32 regidx;
6666 u32 bit;
6667 u32 crc;
6668
6669 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
6670 i++, mclist = mclist->next) {
6671
6672 crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
6673 bit = ~crc & 0x7f;
6674 regidx = (bit & 0x60) >> 5;
6675 bit &= 0x1f;
6676 mc_filter[regidx] |= (1 << bit);
6677 }
6678
6679 tw32(MAC_HASH_REG_0, mc_filter[0]);
6680 tw32(MAC_HASH_REG_1, mc_filter[1]);
6681 tw32(MAC_HASH_REG_2, mc_filter[2]);
6682 tw32(MAC_HASH_REG_3, mc_filter[3]);
6683 }
6684
6685 if (rx_mode != tp->rx_mode) {
6686 tp->rx_mode = rx_mode;
6687 tw32_f(MAC_RX_MODE, rx_mode);
6688 udelay(10);
6689 }
6690 }
6691
6692 static void tg3_set_rx_mode(struct net_device *dev)
6693 {
6694 struct tg3 *tp = netdev_priv(dev);
6695
6696 spin_lock_irq(&tp->lock);
6697 spin_lock(&tp->tx_lock);
6698 __tg3_set_rx_mode(dev);
6699 spin_unlock(&tp->tx_lock);
6700 spin_unlock_irq(&tp->lock);
6701 }
6702
6703 #define TG3_REGDUMP_LEN (32 * 1024)
6704
6705 static int tg3_get_regs_len(struct net_device *dev)
6706 {
6707 return TG3_REGDUMP_LEN;
6708 }
6709
6710 static void tg3_get_regs(struct net_device *dev,
6711 struct ethtool_regs *regs, void *_p)
6712 {
6713 u32 *p = _p;
6714 struct tg3 *tp = netdev_priv(dev);
6715 u8 *orig_p = _p;
6716 int i;
6717
6718 regs->version = 0;
6719
6720 memset(p, 0, TG3_REGDUMP_LEN);
6721
6722 spin_lock_irq(&tp->lock);
6723 spin_lock(&tp->tx_lock);
6724
6725 #define __GET_REG32(reg) (*(p)++ = tr32(reg))
6726 #define GET_REG32_LOOP(base,len) \
6727 do { p = (u32 *)(orig_p + (base)); \
6728 for (i = 0; i < len; i += 4) \
6729 __GET_REG32((base) + i); \
6730 } while (0)
6731 #define GET_REG32_1(reg) \
6732 do { p = (u32 *)(orig_p + (reg)); \
6733 __GET_REG32((reg)); \
6734 } while (0)
6735
6736 GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
6737 GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
6738 GET_REG32_LOOP(MAC_MODE, 0x4f0);
6739 GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
6740 GET_REG32_1(SNDDATAC_MODE);
6741 GET_REG32_LOOP(SNDBDS_MODE, 0x80);
6742 GET_REG32_LOOP(SNDBDI_MODE, 0x48);
6743 GET_REG32_1(SNDBDC_MODE);
6744 GET_REG32_LOOP(RCVLPC_MODE, 0x20);
6745 GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
6746 GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
6747 GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
6748 GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
6749 GET_REG32_1(RCVDCC_MODE);
6750 GET_REG32_LOOP(RCVBDI_MODE, 0x20);
6751 GET_REG32_LOOP(RCVCC_MODE, 0x14);
6752 GET_REG32_LOOP(RCVLSC_MODE, 0x08);
6753 GET_REG32_1(MBFREE_MODE);
6754 GET_REG32_LOOP(HOSTCC_MODE, 0x100);
6755 GET_REG32_LOOP(MEMARB_MODE, 0x10);
6756 GET_REG32_LOOP(BUFMGR_MODE, 0x58);
6757 GET_REG32_LOOP(RDMAC_MODE, 0x08);
6758 GET_REG32_LOOP(WDMAC_MODE, 0x08);
6759 GET_REG32_LOOP(RX_CPU_BASE, 0x280);
6760 GET_REG32_LOOP(TX_CPU_BASE, 0x280);
6761 GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
6762 GET_REG32_LOOP(FTQ_RESET, 0x120);
6763 GET_REG32_LOOP(MSGINT_MODE, 0x0c);
6764 GET_REG32_1(DMAC_MODE);
6765 GET_REG32_LOOP(GRC_MODE, 0x4c);
6766 if (tp->tg3_flags & TG3_FLAG_NVRAM)
6767 GET_REG32_LOOP(NVRAM_CMD, 0x24);
6768
6769 #undef __GET_REG32
6770 #undef GET_REG32_LOOP
6771 #undef GET_REG32_1
6772
6773 spin_unlock(&tp->tx_lock);
6774 spin_unlock_irq(&tp->lock);
6775 }
6776
6777 static int tg3_get_eeprom_len(struct net_device *dev)
6778 {
6779 struct tg3 *tp = netdev_priv(dev);
6780
6781 return tp->nvram_size;
6782 }
6783
6784 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val);
6785
6786 static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
6787 {
6788 struct tg3 *tp = netdev_priv(dev);
6789 int ret;
6790 u8 *pd;
6791 u32 i, offset, len, val, b_offset, b_count;
6792
6793 offset = eeprom->offset;
6794 len = eeprom->len;
6795 eeprom->len = 0;
6796
6797 eeprom->magic = TG3_EEPROM_MAGIC;
6798
6799 if (offset & 3) {
6800 /* adjustments to start on required 4 byte boundary */
6801 b_offset = offset & 3;
6802 b_count = 4 - b_offset;
6803 if (b_count > len) {
6804 /* i.e. offset=1 len=2 */
6805 b_count = len;
6806 }
6807 ret = tg3_nvram_read(tp, offset-b_offset, &val);
6808 if (ret)
6809 return ret;
6810 val = cpu_to_le32(val);
6811 memcpy(data, ((char*)&val) + b_offset, b_count);
6812 len -= b_count;
6813 offset += b_count;
6814 eeprom->len += b_count;
6815 }
6816
6817 /* read bytes upto the last 4 byte boundary */
6818 pd = &data[eeprom->len];
6819 for (i = 0; i < (len - (len & 3)); i += 4) {
6820 ret = tg3_nvram_read(tp, offset + i, &val);
6821 if (ret) {
6822 eeprom->len += i;
6823 return ret;
6824 }
6825 val = cpu_to_le32(val);
6826 memcpy(pd + i, &val, 4);
6827 }
6828 eeprom->len += i;
6829
6830 if (len & 3) {
6831 /* read last bytes not ending on 4 byte boundary */
6832 pd = &data[eeprom->len];
6833 b_count = len & 3;
6834 b_offset = offset + len - b_count;
6835 ret = tg3_nvram_read(tp, b_offset, &val);
6836 if (ret)
6837 return ret;
6838 val = cpu_to_le32(val);
6839 memcpy(pd, ((char*)&val), b_count);
6840 eeprom->len += b_count;
6841 }
6842 return 0;
6843 }
6844
6845 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
6846
6847 static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
6848 {
6849 struct tg3 *tp = netdev_priv(dev);
6850 int ret;
6851 u32 offset, len, b_offset, odd_len, start, end;
6852 u8 *buf;
6853
6854 if (eeprom->magic != TG3_EEPROM_MAGIC)
6855 return -EINVAL;
6856
6857 offset = eeprom->offset;
6858 len = eeprom->len;
6859
6860 if ((b_offset = (offset & 3))) {
6861 /* adjustments to start on required 4 byte boundary */
6862 ret = tg3_nvram_read(tp, offset-b_offset, &start);
6863 if (ret)
6864 return ret;
6865 start = cpu_to_le32(start);
6866 len += b_offset;
6867 offset &= ~3;
6868 if (len < 4)
6869 len = 4;
6870 }
6871
6872 odd_len = 0;
6873 if (len & 3) {
6874 /* adjustments to end on required 4 byte boundary */
6875 odd_len = 1;
6876 len = (len + 3) & ~3;
6877 ret = tg3_nvram_read(tp, offset+len-4, &end);
6878 if (ret)
6879 return ret;
6880 end = cpu_to_le32(end);
6881 }
6882
6883 buf = data;
6884 if (b_offset || odd_len) {
6885 buf = kmalloc(len, GFP_KERNEL);
6886 if (buf == 0)
6887 return -ENOMEM;
6888 if (b_offset)
6889 memcpy(buf, &start, 4);
6890 if (odd_len)
6891 memcpy(buf+len-4, &end, 4);
6892 memcpy(buf + b_offset, data, eeprom->len);
6893 }
6894
6895 ret = tg3_nvram_write_block(tp, offset, len, buf);
6896
6897 if (buf != data)
6898 kfree(buf);
6899
6900 return ret;
6901 }
6902
6903 static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6904 {
6905 struct tg3 *tp = netdev_priv(dev);
6906
6907 cmd->supported = (SUPPORTED_Autoneg);
6908
6909 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
6910 cmd->supported |= (SUPPORTED_1000baseT_Half |
6911 SUPPORTED_1000baseT_Full);
6912
6913 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES))
6914 cmd->supported |= (SUPPORTED_100baseT_Half |
6915 SUPPORTED_100baseT_Full |
6916 SUPPORTED_10baseT_Half |
6917 SUPPORTED_10baseT_Full |
6918 SUPPORTED_MII);
6919 else
6920 cmd->supported |= SUPPORTED_FIBRE;
6921
6922 cmd->advertising = tp->link_config.advertising;
6923 if (netif_running(dev)) {
6924 cmd->speed = tp->link_config.active_speed;
6925 cmd->duplex = tp->link_config.active_duplex;
6926 }
6927 cmd->port = 0;
6928 cmd->phy_address = PHY_ADDR;
6929 cmd->transceiver = 0;
6930 cmd->autoneg = tp->link_config.autoneg;
6931 cmd->maxtxpkt = 0;
6932 cmd->maxrxpkt = 0;
6933 return 0;
6934 }
6935
6936 static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6937 {
6938 struct tg3 *tp = netdev_priv(dev);
6939
6940 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6941 /* These are the only valid advertisement bits allowed. */
6942 if (cmd->autoneg == AUTONEG_ENABLE &&
6943 (cmd->advertising & ~(ADVERTISED_1000baseT_Half |
6944 ADVERTISED_1000baseT_Full |
6945 ADVERTISED_Autoneg |
6946 ADVERTISED_FIBRE)))
6947 return -EINVAL;
6948 }
6949
6950 spin_lock_irq(&tp->lock);
6951 spin_lock(&tp->tx_lock);
6952
6953 tp->link_config.autoneg = cmd->autoneg;
6954 if (cmd->autoneg == AUTONEG_ENABLE) {
6955 tp->link_config.advertising = cmd->advertising;
6956 tp->link_config.speed = SPEED_INVALID;
6957 tp->link_config.duplex = DUPLEX_INVALID;
6958 } else {
6959 tp->link_config.advertising = 0;
6960 tp->link_config.speed = cmd->speed;
6961 tp->link_config.duplex = cmd->duplex;
6962 }
6963
6964 if (netif_running(dev))
6965 tg3_setup_phy(tp, 1);
6966
6967 spin_unlock(&tp->tx_lock);
6968 spin_unlock_irq(&tp->lock);
6969
6970 return 0;
6971 }
6972
6973 static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6974 {
6975 struct tg3 *tp = netdev_priv(dev);
6976
6977 strcpy(info->driver, DRV_MODULE_NAME);
6978 strcpy(info->version, DRV_MODULE_VERSION);
6979 strcpy(info->bus_info, pci_name(tp->pdev));
6980 }
6981
6982 static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6983 {
6984 struct tg3 *tp = netdev_priv(dev);
6985
6986 wol->supported = WAKE_MAGIC;
6987 wol->wolopts = 0;
6988 if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
6989 wol->wolopts = WAKE_MAGIC;
6990 memset(&wol->sopass, 0, sizeof(wol->sopass));
6991 }
6992
6993 static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6994 {
6995 struct tg3 *tp = netdev_priv(dev);
6996
6997 if (wol->wolopts & ~WAKE_MAGIC)
6998 return -EINVAL;
6999 if ((wol->wolopts & WAKE_MAGIC) &&
7000 tp->tg3_flags2 & TG3_FLG2_PHY_SERDES &&
7001 !(tp->tg3_flags & TG3_FLAG_SERDES_WOL_CAP))
7002 return -EINVAL;
7003
7004 spin_lock_irq(&tp->lock);
7005 if (wol->wolopts & WAKE_MAGIC)
7006 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
7007 else
7008 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
7009 spin_unlock_irq(&tp->lock);
7010
7011 return 0;
7012 }
7013
7014 static u32 tg3_get_msglevel(struct net_device *dev)
7015 {
7016 struct tg3 *tp = netdev_priv(dev);
7017 return tp->msg_enable;
7018 }
7019
7020 static void tg3_set_msglevel(struct net_device *dev, u32 value)
7021 {
7022 struct tg3 *tp = netdev_priv(dev);
7023 tp->msg_enable = value;
7024 }
7025
7026 #if TG3_TSO_SUPPORT != 0
7027 static int tg3_set_tso(struct net_device *dev, u32 value)
7028 {
7029 struct tg3 *tp = netdev_priv(dev);
7030
7031 if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
7032 if (value)
7033 return -EINVAL;
7034 return 0;
7035 }
7036 return ethtool_op_set_tso(dev, value);
7037 }
7038 #endif
7039
7040 static int tg3_nway_reset(struct net_device *dev)
7041 {
7042 struct tg3 *tp = netdev_priv(dev);
7043 u32 bmcr;
7044 int r;
7045
7046 if (!netif_running(dev))
7047 return -EAGAIN;
7048
7049 spin_lock_irq(&tp->lock);
7050 r = -EINVAL;
7051 tg3_readphy(tp, MII_BMCR, &bmcr);
7052 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
7053 (bmcr & BMCR_ANENABLE)) {
7054 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART);
7055 r = 0;
7056 }
7057 spin_unlock_irq(&tp->lock);
7058
7059 return r;
7060 }
7061
7062 static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7063 {
7064 struct tg3 *tp = netdev_priv(dev);
7065
7066 ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
7067 ering->rx_mini_max_pending = 0;
7068 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
7069
7070 ering->rx_pending = tp->rx_pending;
7071 ering->rx_mini_pending = 0;
7072 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
7073 ering->tx_pending = tp->tx_pending;
7074 }
7075
7076 static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7077 {
7078 struct tg3 *tp = netdev_priv(dev);
7079
7080 if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
7081 (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
7082 (ering->tx_pending > TG3_TX_RING_SIZE - 1))
7083 return -EINVAL;
7084
7085 if (netif_running(dev))
7086 tg3_netif_stop(tp);
7087
7088 spin_lock_irq(&tp->lock);
7089 spin_lock(&tp->tx_lock);
7090
7091 tp->rx_pending = ering->rx_pending;
7092
7093 if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
7094 tp->rx_pending > 63)
7095 tp->rx_pending = 63;
7096 tp->rx_jumbo_pending = ering->rx_jumbo_pending;
7097 tp->tx_pending = ering->tx_pending;
7098
7099 if (netif_running(dev)) {
7100 tg3_halt(tp, 1);
7101 tg3_init_hw(tp);
7102 tg3_netif_start(tp);
7103 }
7104
7105 spin_unlock(&tp->tx_lock);
7106 spin_unlock_irq(&tp->lock);
7107
7108 return 0;
7109 }
7110
7111 static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7112 {
7113 struct tg3 *tp = netdev_priv(dev);
7114
7115 epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
7116 epause->rx_pause = (tp->tg3_flags & TG3_FLAG_RX_PAUSE) != 0;
7117 epause->tx_pause = (tp->tg3_flags & TG3_FLAG_TX_PAUSE) != 0;
7118 }
7119
7120 static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7121 {
7122 struct tg3 *tp = netdev_priv(dev);
7123
7124 if (netif_running(dev))
7125 tg3_netif_stop(tp);
7126
7127 spin_lock_irq(&tp->lock);
7128 spin_lock(&tp->tx_lock);
7129 if (epause->autoneg)
7130 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
7131 else
7132 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
7133 if (epause->rx_pause)
7134 tp->tg3_flags |= TG3_FLAG_RX_PAUSE;
7135 else
7136 tp->tg3_flags &= ~TG3_FLAG_RX_PAUSE;
7137 if (epause->tx_pause)
7138 tp->tg3_flags |= TG3_FLAG_TX_PAUSE;
7139 else
7140 tp->tg3_flags &= ~TG3_FLAG_TX_PAUSE;
7141
7142 if (netif_running(dev)) {
7143 tg3_halt(tp, 1);
7144 tg3_init_hw(tp);
7145 tg3_netif_start(tp);
7146 }
7147 spin_unlock(&tp->tx_lock);
7148 spin_unlock_irq(&tp->lock);
7149
7150 return 0;
7151 }
7152
7153 static u32 tg3_get_rx_csum(struct net_device *dev)
7154 {
7155 struct tg3 *tp = netdev_priv(dev);
7156 return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
7157 }
7158
7159 static int tg3_set_rx_csum(struct net_device *dev, u32 data)
7160 {
7161 struct tg3 *tp = netdev_priv(dev);
7162
7163 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
7164 if (data != 0)
7165 return -EINVAL;
7166 return 0;
7167 }
7168
7169 spin_lock_irq(&tp->lock);
7170 if (data)
7171 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
7172 else
7173 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
7174 spin_unlock_irq(&tp->lock);
7175
7176 return 0;
7177 }
7178
7179 static int tg3_set_tx_csum(struct net_device *dev, u32 data)
7180 {
7181 struct tg3 *tp = netdev_priv(dev);
7182
7183 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
7184 if (data != 0)
7185 return -EINVAL;
7186 return 0;
7187 }
7188
7189 if (data)
7190 dev->features |= NETIF_F_IP_CSUM;
7191 else
7192 dev->features &= ~NETIF_F_IP_CSUM;
7193
7194 return 0;
7195 }
7196
7197 static int tg3_get_stats_count (struct net_device *dev)
7198 {
7199 return TG3_NUM_STATS;
7200 }
7201
7202 static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
7203 {
7204 switch (stringset) {
7205 case ETH_SS_STATS:
7206 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
7207 break;
7208 default:
7209 WARN_ON(1); /* we need a WARN() */
7210 break;
7211 }
7212 }
7213
7214 static void tg3_get_ethtool_stats (struct net_device *dev,
7215 struct ethtool_stats *estats, u64 *tmp_stats)
7216 {
7217 struct tg3 *tp = netdev_priv(dev);
7218 memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
7219 }
7220
7221 static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7222 {
7223 struct mii_ioctl_data *data = if_mii(ifr);
7224 struct tg3 *tp = netdev_priv(dev);
7225 int err;
7226
7227 switch(cmd) {
7228 case SIOCGMIIPHY:
7229 data->phy_id = PHY_ADDR;
7230
7231 /* fallthru */
7232 case SIOCGMIIREG: {
7233 u32 mii_regval;
7234
7235 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
7236 break; /* We have no PHY */
7237
7238 spin_lock_irq(&tp->lock);
7239 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
7240 spin_unlock_irq(&tp->lock);
7241
7242 data->val_out = mii_regval;
7243
7244 return err;
7245 }
7246
7247 case SIOCSMIIREG:
7248 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
7249 break; /* We have no PHY */
7250
7251 if (!capable(CAP_NET_ADMIN))
7252 return -EPERM;
7253
7254 spin_lock_irq(&tp->lock);
7255 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
7256 spin_unlock_irq(&tp->lock);
7257
7258 return err;
7259
7260 default:
7261 /* do nothing */
7262 break;
7263 }
7264 return -EOPNOTSUPP;
7265 }
7266
7267 #if TG3_VLAN_TAG_USED
7268 static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
7269 {
7270 struct tg3 *tp = netdev_priv(dev);
7271
7272 spin_lock_irq(&tp->lock);
7273 spin_lock(&tp->tx_lock);
7274
7275 tp->vlgrp = grp;
7276
7277 /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
7278 __tg3_set_rx_mode(dev);
7279
7280 spin_unlock(&tp->tx_lock);
7281 spin_unlock_irq(&tp->lock);
7282 }
7283
7284 static void tg3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
7285 {
7286 struct tg3 *tp = netdev_priv(dev);
7287
7288 spin_lock_irq(&tp->lock);
7289 spin_lock(&tp->tx_lock);
7290 if (tp->vlgrp)
7291 tp->vlgrp->vlan_devices[vid] = NULL;
7292 spin_unlock(&tp->tx_lock);
7293 spin_unlock_irq(&tp->lock);
7294 }
7295 #endif
7296
7297 static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
7298 {
7299 struct tg3 *tp = netdev_priv(dev);
7300
7301 memcpy(ec, &tp->coal, sizeof(*ec));
7302 return 0;
7303 }
7304
7305 static struct ethtool_ops tg3_ethtool_ops = {
7306 .get_settings = tg3_get_settings,
7307 .set_settings = tg3_set_settings,
7308 .get_drvinfo = tg3_get_drvinfo,
7309 .get_regs_len = tg3_get_regs_len,
7310 .get_regs = tg3_get_regs,
7311 .get_wol = tg3_get_wol,
7312 .set_wol = tg3_set_wol,
7313 .get_msglevel = tg3_get_msglevel,
7314 .set_msglevel = tg3_set_msglevel,
7315 .nway_reset = tg3_nway_reset,
7316 .get_link = ethtool_op_get_link,
7317 .get_eeprom_len = tg3_get_eeprom_len,
7318 .get_eeprom = tg3_get_eeprom,
7319 .set_eeprom = tg3_set_eeprom,
7320 .get_ringparam = tg3_get_ringparam,
7321 .set_ringparam = tg3_set_ringparam,
7322 .get_pauseparam = tg3_get_pauseparam,
7323 .set_pauseparam = tg3_set_pauseparam,
7324 .get_rx_csum = tg3_get_rx_csum,
7325 .set_rx_csum = tg3_set_rx_csum,
7326 .get_tx_csum = ethtool_op_get_tx_csum,
7327 .set_tx_csum = tg3_set_tx_csum,
7328 .get_sg = ethtool_op_get_sg,
7329 .set_sg = ethtool_op_set_sg,
7330 #if TG3_TSO_SUPPORT != 0
7331 .get_tso = ethtool_op_get_tso,
7332 .set_tso = tg3_set_tso,
7333 #endif
7334 .get_strings = tg3_get_strings,
7335 .get_stats_count = tg3_get_stats_count,
7336 .get_ethtool_stats = tg3_get_ethtool_stats,
7337 .get_coalesce = tg3_get_coalesce,
7338 };
7339
7340 static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
7341 {
7342 u32 cursize, val;
7343
7344 tp->nvram_size = EEPROM_CHIP_SIZE;
7345
7346 if (tg3_nvram_read(tp, 0, &val) != 0)
7347 return;
7348
7349 if (swab32(val) != TG3_EEPROM_MAGIC)
7350 return;
7351
7352 /*
7353 * Size the chip by reading offsets at increasing powers of two.
7354 * When we encounter our validation signature, we know the addressing
7355 * has wrapped around, and thus have our chip size.
7356 */
7357 cursize = 0x800;
7358
7359 while (cursize < tp->nvram_size) {
7360 if (tg3_nvram_read(tp, cursize, &val) != 0)
7361 return;
7362
7363 if (swab32(val) == TG3_EEPROM_MAGIC)
7364 break;
7365
7366 cursize <<= 1;
7367 }
7368
7369 tp->nvram_size = cursize;
7370 }
7371
7372 static void __devinit tg3_get_nvram_size(struct tg3 *tp)
7373 {
7374 u32 val;
7375
7376 if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
7377 if (val != 0) {
7378 tp->nvram_size = (val >> 16) * 1024;
7379 return;
7380 }
7381 }
7382 tp->nvram_size = 0x20000;
7383 }
7384
7385 static void __devinit tg3_get_nvram_info(struct tg3 *tp)
7386 {
7387 u32 nvcfg1;
7388
7389 nvcfg1 = tr32(NVRAM_CFG1);
7390 if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
7391 tp->tg3_flags2 |= TG3_FLG2_FLASH;
7392 }
7393 else {
7394 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
7395 tw32(NVRAM_CFG1, nvcfg1);
7396 }
7397
7398 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
7399 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
7400 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
7401 tp->nvram_jedecnum = JEDEC_ATMEL;
7402 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
7403 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
7404 break;
7405 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
7406 tp->nvram_jedecnum = JEDEC_ATMEL;
7407 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
7408 break;
7409 case FLASH_VENDOR_ATMEL_EEPROM:
7410 tp->nvram_jedecnum = JEDEC_ATMEL;
7411 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
7412 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
7413 break;
7414 case FLASH_VENDOR_ST:
7415 tp->nvram_jedecnum = JEDEC_ST;
7416 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
7417 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
7418 break;
7419 case FLASH_VENDOR_SAIFUN:
7420 tp->nvram_jedecnum = JEDEC_SAIFUN;
7421 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
7422 break;
7423 case FLASH_VENDOR_SST_SMALL:
7424 case FLASH_VENDOR_SST_LARGE:
7425 tp->nvram_jedecnum = JEDEC_SST;
7426 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
7427 break;
7428 }
7429 }
7430 else {
7431 tp->nvram_jedecnum = JEDEC_ATMEL;
7432 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
7433 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
7434 }
7435 }
7436
7437 static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
7438 {
7439 u32 nvcfg1;
7440
7441 nvcfg1 = tr32(NVRAM_CFG1);
7442
7443 /* NVRAM protection for TPM */
7444 if (nvcfg1 & (1 << 27))
7445 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
7446
7447 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
7448 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
7449 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
7450 tp->nvram_jedecnum = JEDEC_ATMEL;
7451 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
7452 break;
7453 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
7454 tp->nvram_jedecnum = JEDEC_ATMEL;
7455 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
7456 tp->tg3_flags2 |= TG3_FLG2_FLASH;
7457 break;
7458 case FLASH_5752VENDOR_ST_M45PE10:
7459 case FLASH_5752VENDOR_ST_M45PE20:
7460 case FLASH_5752VENDOR_ST_M45PE40:
7461 tp->nvram_jedecnum = JEDEC_ST;
7462 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
7463 tp->tg3_flags2 |= TG3_FLG2_FLASH;
7464 break;
7465 }
7466
7467 if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
7468 switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
7469 case FLASH_5752PAGE_SIZE_256:
7470 tp->nvram_pagesize = 256;
7471 break;
7472 case FLASH_5752PAGE_SIZE_512:
7473 tp->nvram_pagesize = 512;
7474 break;
7475 case FLASH_5752PAGE_SIZE_1K:
7476 tp->nvram_pagesize = 1024;
7477 break;
7478 case FLASH_5752PAGE_SIZE_2K:
7479 tp->nvram_pagesize = 2048;
7480 break;
7481 case FLASH_5752PAGE_SIZE_4K:
7482 tp->nvram_pagesize = 4096;
7483 break;
7484 case FLASH_5752PAGE_SIZE_264:
7485 tp->nvram_pagesize = 264;
7486 break;
7487 }
7488 }
7489 else {
7490 /* For eeprom, set pagesize to maximum eeprom size */
7491 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
7492
7493 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
7494 tw32(NVRAM_CFG1, nvcfg1);
7495 }
7496 }
7497
7498 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
7499 static void __devinit tg3_nvram_init(struct tg3 *tp)
7500 {
7501 int j;
7502
7503 if (tp->tg3_flags2 & TG3_FLG2_SUN_570X)
7504 return;
7505
7506 tw32_f(GRC_EEPROM_ADDR,
7507 (EEPROM_ADDR_FSM_RESET |
7508 (EEPROM_DEFAULT_CLOCK_PERIOD <<
7509 EEPROM_ADDR_CLKPERD_SHIFT)));
7510
7511 /* XXX schedule_timeout() ... */
7512 for (j = 0; j < 100; j++)
7513 udelay(10);
7514
7515 /* Enable seeprom accesses. */
7516 tw32_f(GRC_LOCAL_CTRL,
7517 tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
7518 udelay(100);
7519
7520 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
7521 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
7522 tp->tg3_flags |= TG3_FLAG_NVRAM;
7523
7524 tg3_enable_nvram_access(tp);
7525
7526 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
7527 tg3_get_5752_nvram_info(tp);
7528 else
7529 tg3_get_nvram_info(tp);
7530
7531 tg3_get_nvram_size(tp);
7532
7533 tg3_disable_nvram_access(tp);
7534
7535 } else {
7536 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
7537
7538 tg3_get_eeprom_size(tp);
7539 }
7540 }
7541
7542 static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
7543 u32 offset, u32 *val)
7544 {
7545 u32 tmp;
7546 int i;
7547
7548 if (offset > EEPROM_ADDR_ADDR_MASK ||
7549 (offset % 4) != 0)
7550 return -EINVAL;
7551
7552 tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
7553 EEPROM_ADDR_DEVID_MASK |
7554 EEPROM_ADDR_READ);
7555 tw32(GRC_EEPROM_ADDR,
7556 tmp |
7557 (0 << EEPROM_ADDR_DEVID_SHIFT) |
7558 ((offset << EEPROM_ADDR_ADDR_SHIFT) &
7559 EEPROM_ADDR_ADDR_MASK) |
7560 EEPROM_ADDR_READ | EEPROM_ADDR_START);
7561
7562 for (i = 0; i < 10000; i++) {
7563 tmp = tr32(GRC_EEPROM_ADDR);
7564
7565 if (tmp & EEPROM_ADDR_COMPLETE)
7566 break;
7567 udelay(100);
7568 }
7569 if (!(tmp & EEPROM_ADDR_COMPLETE))
7570 return -EBUSY;
7571
7572 *val = tr32(GRC_EEPROM_DATA);
7573 return 0;
7574 }
7575
7576 #define NVRAM_CMD_TIMEOUT 10000
7577
7578 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
7579 {
7580 int i;
7581
7582 tw32(NVRAM_CMD, nvram_cmd);
7583 for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
7584 udelay(10);
7585 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
7586 udelay(10);
7587 break;
7588 }
7589 }
7590 if (i == NVRAM_CMD_TIMEOUT) {
7591 return -EBUSY;
7592 }
7593 return 0;
7594 }
7595
7596 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
7597 {
7598 int ret;
7599
7600 if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) {
7601 printk(KERN_ERR PFX "Attempt to do nvram_read on Sun 570X\n");
7602 return -EINVAL;
7603 }
7604
7605 if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
7606 return tg3_nvram_read_using_eeprom(tp, offset, val);
7607
7608 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
7609 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
7610 (tp->nvram_jedecnum == JEDEC_ATMEL)) {
7611
7612 offset = ((offset / tp->nvram_pagesize) <<
7613 ATMEL_AT45DB0X1B_PAGE_POS) +
7614 (offset % tp->nvram_pagesize);
7615 }
7616
7617 if (offset > NVRAM_ADDR_MSK)
7618 return -EINVAL;
7619
7620 tg3_nvram_lock(tp);
7621
7622 tg3_enable_nvram_access(tp);
7623
7624 tw32(NVRAM_ADDR, offset);
7625 ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
7626 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
7627
7628 if (ret == 0)
7629 *val = swab32(tr32(NVRAM_RDDATA));
7630
7631 tg3_nvram_unlock(tp);
7632
7633 tg3_disable_nvram_access(tp);
7634
7635 return ret;
7636 }
7637
7638 static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
7639 u32 offset, u32 len, u8 *buf)
7640 {
7641 int i, j, rc = 0;
7642 u32 val;
7643
7644 for (i = 0; i < len; i += 4) {
7645 u32 addr, data;
7646
7647 addr = offset + i;
7648
7649 memcpy(&data, buf + i, 4);
7650
7651 tw32(GRC_EEPROM_DATA, cpu_to_le32(data));
7652
7653 val = tr32(GRC_EEPROM_ADDR);
7654 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
7655
7656 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
7657 EEPROM_ADDR_READ);
7658 tw32(GRC_EEPROM_ADDR, val |
7659 (0 << EEPROM_ADDR_DEVID_SHIFT) |
7660 (addr & EEPROM_ADDR_ADDR_MASK) |
7661 EEPROM_ADDR_START |
7662 EEPROM_ADDR_WRITE);
7663
7664 for (j = 0; j < 10000; j++) {
7665 val = tr32(GRC_EEPROM_ADDR);
7666
7667 if (val & EEPROM_ADDR_COMPLETE)
7668 break;
7669 udelay(100);
7670 }
7671 if (!(val & EEPROM_ADDR_COMPLETE)) {
7672 rc = -EBUSY;
7673 break;
7674 }
7675 }
7676
7677 return rc;
7678 }
7679
7680 /* offset and length are dword aligned */
7681 static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
7682 u8 *buf)
7683 {
7684 int ret = 0;
7685 u32 pagesize = tp->nvram_pagesize;
7686 u32 pagemask = pagesize - 1;
7687 u32 nvram_cmd;
7688 u8 *tmp;
7689
7690 tmp = kmalloc(pagesize, GFP_KERNEL);
7691 if (tmp == NULL)
7692 return -ENOMEM;
7693
7694 while (len) {
7695 int j;
7696 u32 phy_addr, page_off, size;
7697
7698 phy_addr = offset & ~pagemask;
7699
7700 for (j = 0; j < pagesize; j += 4) {
7701 if ((ret = tg3_nvram_read(tp, phy_addr + j,
7702 (u32 *) (tmp + j))))
7703 break;
7704 }
7705 if (ret)
7706 break;
7707
7708 page_off = offset & pagemask;
7709 size = pagesize;
7710 if (len < size)
7711 size = len;
7712
7713 len -= size;
7714
7715 memcpy(tmp + page_off, buf, size);
7716
7717 offset = offset + (pagesize - page_off);
7718
7719 tg3_enable_nvram_access(tp);
7720
7721 /*
7722 * Before we can erase the flash page, we need
7723 * to issue a special "write enable" command.
7724 */
7725 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
7726
7727 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
7728 break;
7729
7730 /* Erase the target page */
7731 tw32(NVRAM_ADDR, phy_addr);
7732
7733 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
7734 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
7735
7736 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
7737 break;
7738
7739 /* Issue another write enable to start the write. */
7740 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
7741
7742 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
7743 break;
7744
7745 for (j = 0; j < pagesize; j += 4) {
7746 u32 data;
7747
7748 data = *((u32 *) (tmp + j));
7749 tw32(NVRAM_WRDATA, cpu_to_be32(data));
7750
7751 tw32(NVRAM_ADDR, phy_addr + j);
7752
7753 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
7754 NVRAM_CMD_WR;
7755
7756 if (j == 0)
7757 nvram_cmd |= NVRAM_CMD_FIRST;
7758 else if (j == (pagesize - 4))
7759 nvram_cmd |= NVRAM_CMD_LAST;
7760
7761 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
7762 break;
7763 }
7764 if (ret)
7765 break;
7766 }
7767
7768 nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
7769 tg3_nvram_exec_cmd(tp, nvram_cmd);
7770
7771 kfree(tmp);
7772
7773 return ret;
7774 }
7775
7776 /* offset and length are dword aligned */
7777 static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
7778 u8 *buf)
7779 {
7780 int i, ret = 0;
7781
7782 for (i = 0; i < len; i += 4, offset += 4) {
7783 u32 data, page_off, phy_addr, nvram_cmd;
7784
7785 memcpy(&data, buf + i, 4);
7786 tw32(NVRAM_WRDATA, cpu_to_be32(data));
7787
7788 page_off = offset % tp->nvram_pagesize;
7789
7790 if ((tp->tg3_flags2 & TG3_FLG2_FLASH) &&
7791 (tp->nvram_jedecnum == JEDEC_ATMEL)) {
7792
7793 phy_addr = ((offset / tp->nvram_pagesize) <<
7794 ATMEL_AT45DB0X1B_PAGE_POS) + page_off;
7795 }
7796 else {
7797 phy_addr = offset;
7798 }
7799
7800 tw32(NVRAM_ADDR, phy_addr);
7801
7802 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
7803
7804 if ((page_off == 0) || (i == 0))
7805 nvram_cmd |= NVRAM_CMD_FIRST;
7806 else if (page_off == (tp->nvram_pagesize - 4))
7807 nvram_cmd |= NVRAM_CMD_LAST;
7808
7809 if (i == (len - 4))
7810 nvram_cmd |= NVRAM_CMD_LAST;
7811
7812 if ((tp->nvram_jedecnum == JEDEC_ST) &&
7813 (nvram_cmd & NVRAM_CMD_FIRST)) {
7814
7815 if ((ret = tg3_nvram_exec_cmd(tp,
7816 NVRAM_CMD_WREN | NVRAM_CMD_GO |
7817 NVRAM_CMD_DONE)))
7818
7819 break;
7820 }
7821 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
7822 /* We always do complete word writes to eeprom. */
7823 nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
7824 }
7825
7826 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
7827 break;
7828 }
7829 return ret;
7830 }
7831
7832 /* offset and length are dword aligned */
7833 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
7834 {
7835 int ret;
7836
7837 if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) {
7838 printk(KERN_ERR PFX "Attempt to do nvram_write on Sun 570X\n");
7839 return -EINVAL;
7840 }
7841
7842 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
7843 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
7844 ~GRC_LCLCTRL_GPIO_OUTPUT1);
7845 udelay(40);
7846 }
7847
7848 if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
7849 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
7850 }
7851 else {
7852 u32 grc_mode;
7853
7854 tg3_nvram_lock(tp);
7855
7856 tg3_enable_nvram_access(tp);
7857 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
7858 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
7859 tw32(NVRAM_WRITE1, 0x406);
7860
7861 grc_mode = tr32(GRC_MODE);
7862 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
7863
7864 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
7865 !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
7866
7867 ret = tg3_nvram_write_block_buffered(tp, offset, len,
7868 buf);
7869 }
7870 else {
7871 ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
7872 buf);
7873 }
7874
7875 grc_mode = tr32(GRC_MODE);
7876 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
7877
7878 tg3_disable_nvram_access(tp);
7879 tg3_nvram_unlock(tp);
7880 }
7881
7882 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
7883 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
7884 udelay(40);
7885 }
7886
7887 return ret;
7888 }
7889
7890 struct subsys_tbl_ent {
7891 u16 subsys_vendor, subsys_devid;
7892 u32 phy_id;
7893 };
7894
7895 static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
7896 /* Broadcom boards. */
7897 { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
7898 { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
7899 { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
7900 { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 }, /* BCM95700A9 */
7901 { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
7902 { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
7903 { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 }, /* BCM95701A7 */
7904 { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
7905 { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
7906 { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
7907 { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
7908
7909 /* 3com boards. */
7910 { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
7911 { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
7912 { PCI_VENDOR_ID_3COM, 0x1004, 0 }, /* 3C996SX */
7913 { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
7914 { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
7915
7916 /* DELL boards. */
7917 { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
7918 { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
7919 { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
7920 { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
7921
7922 /* Compaq boards. */
7923 { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
7924 { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
7925 { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 }, /* CHANGELING */
7926 { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
7927 { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
7928
7929 /* IBM boards. */
7930 { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
7931 };
7932
7933 static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
7934 {
7935 int i;
7936
7937 for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
7938 if ((subsys_id_to_phy_id[i].subsys_vendor ==
7939 tp->pdev->subsystem_vendor) &&
7940 (subsys_id_to_phy_id[i].subsys_devid ==
7941 tp->pdev->subsystem_device))
7942 return &subsys_id_to_phy_id[i];
7943 }
7944 return NULL;
7945 }
7946
7947 /* Since this function may be called in D3-hot power state during
7948 * tg3_init_one(), only config cycles are allowed.
7949 */
7950 static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
7951 {
7952 u32 val;
7953
7954 /* Make sure register accesses (indirect or otherwise)
7955 * will function correctly.
7956 */
7957 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
7958 tp->misc_host_ctrl);
7959
7960 tp->phy_id = PHY_ID_INVALID;
7961 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
7962
7963 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
7964 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
7965 u32 nic_cfg, led_cfg;
7966 u32 nic_phy_id, ver, cfg2 = 0, eeprom_phy_id;
7967 int eeprom_phy_serdes = 0;
7968
7969 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
7970 tp->nic_sram_data_cfg = nic_cfg;
7971
7972 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
7973 ver >>= NIC_SRAM_DATA_VER_SHIFT;
7974 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
7975 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
7976 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
7977 (ver > 0) && (ver < 0x100))
7978 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
7979
7980 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
7981 NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
7982 eeprom_phy_serdes = 1;
7983
7984 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
7985 if (nic_phy_id != 0) {
7986 u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
7987 u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
7988
7989 eeprom_phy_id = (id1 >> 16) << 10;
7990 eeprom_phy_id |= (id2 & 0xfc00) << 16;
7991 eeprom_phy_id |= (id2 & 0x03ff) << 0;
7992 } else
7993 eeprom_phy_id = 0;
7994
7995 tp->phy_id = eeprom_phy_id;
7996 if (eeprom_phy_serdes)
7997 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
7998
7999 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
8000 led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
8001 SHASTA_EXT_LED_MODE_MASK);
8002 else
8003 led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
8004
8005 switch (led_cfg) {
8006 default:
8007 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
8008 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
8009 break;
8010
8011 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
8012 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
8013 break;
8014
8015 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
8016 tp->led_ctrl = LED_CTRL_MODE_MAC;
8017 break;
8018
8019 case SHASTA_EXT_LED_SHARED:
8020 tp->led_ctrl = LED_CTRL_MODE_SHARED;
8021 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
8022 tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
8023 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
8024 LED_CTRL_MODE_PHY_2);
8025 break;
8026
8027 case SHASTA_EXT_LED_MAC:
8028 tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
8029 break;
8030
8031 case SHASTA_EXT_LED_COMBO:
8032 tp->led_ctrl = LED_CTRL_MODE_COMBO;
8033 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
8034 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
8035 LED_CTRL_MODE_PHY_2);
8036 break;
8037
8038 };
8039
8040 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
8041 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
8042 tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
8043 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
8044
8045 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
8046 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
8047 (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP))
8048 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
8049
8050 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
8051 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
8052 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
8053 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
8054 }
8055 if (nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL)
8056 tp->tg3_flags |= TG3_FLAG_SERDES_WOL_CAP;
8057
8058 if (cfg2 & (1 << 17))
8059 tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
8060
8061 /* serdes signal pre-emphasis in register 0x590 set by */
8062 /* bootcode if bit 18 is set */
8063 if (cfg2 & (1 << 18))
8064 tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
8065 }
8066 }
8067
8068 static int __devinit tg3_phy_probe(struct tg3 *tp)
8069 {
8070 u32 hw_phy_id_1, hw_phy_id_2;
8071 u32 hw_phy_id, hw_phy_id_masked;
8072 int err;
8073
8074 /* Reading the PHY ID register can conflict with ASF
8075 * firwmare access to the PHY hardware.
8076 */
8077 err = 0;
8078 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
8079 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
8080 } else {
8081 /* Now read the physical PHY_ID from the chip and verify
8082 * that it is sane. If it doesn't look good, we fall back
8083 * to either the hard-coded table based PHY_ID and failing
8084 * that the value found in the eeprom area.
8085 */
8086 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
8087 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
8088
8089 hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
8090 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
8091 hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
8092
8093 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
8094 }
8095
8096 if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
8097 tp->phy_id = hw_phy_id;
8098 if (hw_phy_id_masked == PHY_ID_BCM8002)
8099 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
8100 } else {
8101 if (tp->phy_id != PHY_ID_INVALID) {
8102 /* Do nothing, phy ID already set up in
8103 * tg3_get_eeprom_hw_cfg().
8104 */
8105 } else {
8106 struct subsys_tbl_ent *p;
8107
8108 /* No eeprom signature? Try the hardcoded
8109 * subsys device table.
8110 */
8111 p = lookup_by_subsys(tp);
8112 if (!p)
8113 return -ENODEV;
8114
8115 tp->phy_id = p->phy_id;
8116 if (!tp->phy_id ||
8117 tp->phy_id == PHY_ID_BCM8002)
8118 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
8119 }
8120 }
8121
8122 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
8123 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
8124 u32 bmsr, adv_reg, tg3_ctrl;
8125
8126 tg3_readphy(tp, MII_BMSR, &bmsr);
8127 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
8128 (bmsr & BMSR_LSTATUS))
8129 goto skip_phy_reset;
8130
8131 err = tg3_phy_reset(tp);
8132 if (err)
8133 return err;
8134
8135 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
8136 ADVERTISE_100HALF | ADVERTISE_100FULL |
8137 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
8138 tg3_ctrl = 0;
8139 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
8140 tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
8141 MII_TG3_CTRL_ADV_1000_FULL);
8142 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
8143 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
8144 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
8145 MII_TG3_CTRL_ENABLE_AS_MASTER);
8146 }
8147
8148 if (!tg3_copper_is_advertising_all(tp)) {
8149 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
8150
8151 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
8152 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
8153
8154 tg3_writephy(tp, MII_BMCR,
8155 BMCR_ANENABLE | BMCR_ANRESTART);
8156 }
8157 tg3_phy_set_wirespeed(tp);
8158
8159 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
8160 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
8161 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
8162 }
8163
8164 skip_phy_reset:
8165 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
8166 err = tg3_init_5401phy_dsp(tp);
8167 if (err)
8168 return err;
8169 }
8170
8171 if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
8172 err = tg3_init_5401phy_dsp(tp);
8173 }
8174
8175 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
8176 tp->link_config.advertising =
8177 (ADVERTISED_1000baseT_Half |
8178 ADVERTISED_1000baseT_Full |
8179 ADVERTISED_Autoneg |
8180 ADVERTISED_FIBRE);
8181 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
8182 tp->link_config.advertising &=
8183 ~(ADVERTISED_1000baseT_Half |
8184 ADVERTISED_1000baseT_Full);
8185
8186 return err;
8187 }
8188
8189 static void __devinit tg3_read_partno(struct tg3 *tp)
8190 {
8191 unsigned char vpd_data[256];
8192 int i;
8193
8194 if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) {
8195 /* Sun decided not to put the necessary bits in the
8196 * NVRAM of their onboard tg3 parts :(
8197 */
8198 strcpy(tp->board_part_number, "Sun 570X");
8199 return;
8200 }
8201
8202 for (i = 0; i < 256; i += 4) {
8203 u32 tmp;
8204
8205 if (tg3_nvram_read(tp, 0x100 + i, &tmp))
8206 goto out_not_found;
8207
8208 vpd_data[i + 0] = ((tmp >> 0) & 0xff);
8209 vpd_data[i + 1] = ((tmp >> 8) & 0xff);
8210 vpd_data[i + 2] = ((tmp >> 16) & 0xff);
8211 vpd_data[i + 3] = ((tmp >> 24) & 0xff);
8212 }
8213
8214 /* Now parse and find the part number. */
8215 for (i = 0; i < 256; ) {
8216 unsigned char val = vpd_data[i];
8217 int block_end;
8218
8219 if (val == 0x82 || val == 0x91) {
8220 i = (i + 3 +
8221 (vpd_data[i + 1] +
8222 (vpd_data[i + 2] << 8)));
8223 continue;
8224 }
8225
8226 if (val != 0x90)
8227 goto out_not_found;
8228
8229 block_end = (i + 3 +
8230 (vpd_data[i + 1] +
8231 (vpd_data[i + 2] << 8)));
8232 i += 3;
8233 while (i < block_end) {
8234 if (vpd_data[i + 0] == 'P' &&
8235 vpd_data[i + 1] == 'N') {
8236 int partno_len = vpd_data[i + 2];
8237
8238 if (partno_len > 24)
8239 goto out_not_found;
8240
8241 memcpy(tp->board_part_number,
8242 &vpd_data[i + 3],
8243 partno_len);
8244
8245 /* Success. */
8246 return;
8247 }
8248 }
8249
8250 /* Part number not found. */
8251 goto out_not_found;
8252 }
8253
8254 out_not_found:
8255 strcpy(tp->board_part_number, "none");
8256 }
8257
8258 #ifdef CONFIG_SPARC64
8259 static int __devinit tg3_is_sun_570X(struct tg3 *tp)
8260 {
8261 struct pci_dev *pdev = tp->pdev;
8262 struct pcidev_cookie *pcp = pdev->sysdata;
8263
8264 if (pcp != NULL) {
8265 int node = pcp->prom_node;
8266 u32 venid;
8267 int err;
8268
8269 err = prom_getproperty(node, "subsystem-vendor-id",
8270 (char *) &venid, sizeof(venid));
8271 if (err == 0 || err == -1)
8272 return 0;
8273 if (venid == PCI_VENDOR_ID_SUN)
8274 return 1;
8275 }
8276 return 0;
8277 }
8278 #endif
8279
8280 static int __devinit tg3_get_invariants(struct tg3 *tp)
8281 {
8282 static struct pci_device_id write_reorder_chipsets[] = {
8283 { PCI_DEVICE(PCI_VENDOR_ID_INTEL,
8284 PCI_DEVICE_ID_INTEL_82801AA_8) },
8285 { PCI_DEVICE(PCI_VENDOR_ID_INTEL,
8286 PCI_DEVICE_ID_INTEL_82801AB_8) },
8287 { PCI_DEVICE(PCI_VENDOR_ID_INTEL,
8288 PCI_DEVICE_ID_INTEL_82801BA_11) },
8289 { PCI_DEVICE(PCI_VENDOR_ID_INTEL,
8290 PCI_DEVICE_ID_INTEL_82801BA_6) },
8291 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
8292 PCI_DEVICE_ID_AMD_FE_GATE_700C) },
8293 { },
8294 };
8295 u32 misc_ctrl_reg;
8296 u32 cacheline_sz_reg;
8297 u32 pci_state_reg, grc_misc_cfg;
8298 u32 val;
8299 u16 pci_cmd;
8300 int err;
8301
8302 #ifdef CONFIG_SPARC64
8303 if (tg3_is_sun_570X(tp))
8304 tp->tg3_flags2 |= TG3_FLG2_SUN_570X;
8305 #endif
8306
8307 /* If we have an AMD 762 or Intel ICH/ICH0/ICH2 chipset, write
8308 * reordering to the mailbox registers done by the host
8309 * controller can cause major troubles. We read back from
8310 * every mailbox register write to force the writes to be
8311 * posted to the chip in order.
8312 */
8313 if (pci_dev_present(write_reorder_chipsets))
8314 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
8315
8316 /* Force memory write invalidate off. If we leave it on,
8317 * then on 5700_BX chips we have to enable a workaround.
8318 * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
8319 * to match the cacheline size. The Broadcom driver have this
8320 * workaround but turns MWI off all the times so never uses
8321 * it. This seems to suggest that the workaround is insufficient.
8322 */
8323 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
8324 pci_cmd &= ~PCI_COMMAND_INVALIDATE;
8325 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
8326
8327 /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
8328 * has the register indirect write enable bit set before
8329 * we try to access any of the MMIO registers. It is also
8330 * critical that the PCI-X hw workaround situation is decided
8331 * before that as well.
8332 */
8333 pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
8334 &misc_ctrl_reg);
8335
8336 tp->pci_chip_rev_id = (misc_ctrl_reg >>
8337 MISC_HOST_CTRL_CHIPREV_SHIFT);
8338
8339 /* Wrong chip ID in 5752 A0. This code can be removed later
8340 * as A0 is not in production.
8341 */
8342 if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
8343 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
8344
8345 /* Initialize misc host control in PCI block. */
8346 tp->misc_host_ctrl |= (misc_ctrl_reg &
8347 MISC_HOST_CTRL_CHIPREV);
8348 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
8349 tp->misc_host_ctrl);
8350
8351 pci_read_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
8352 &cacheline_sz_reg);
8353
8354 tp->pci_cacheline_sz = (cacheline_sz_reg >> 0) & 0xff;
8355 tp->pci_lat_timer = (cacheline_sz_reg >> 8) & 0xff;
8356 tp->pci_hdr_type = (cacheline_sz_reg >> 16) & 0xff;
8357 tp->pci_bist = (cacheline_sz_reg >> 24) & 0xff;
8358
8359 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
8360 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
8361 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
8362
8363 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
8364 (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
8365 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
8366
8367 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
8368 tp->tg3_flags2 |= TG3_FLG2_HW_TSO;
8369
8370 if (pci_find_capability(tp->pdev, PCI_CAP_ID_EXP) != 0)
8371 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
8372
8373 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
8374 tp->pci_lat_timer < 64) {
8375 tp->pci_lat_timer = 64;
8376
8377 cacheline_sz_reg = ((tp->pci_cacheline_sz & 0xff) << 0);
8378 cacheline_sz_reg |= ((tp->pci_lat_timer & 0xff) << 8);
8379 cacheline_sz_reg |= ((tp->pci_hdr_type & 0xff) << 16);
8380 cacheline_sz_reg |= ((tp->pci_bist & 0xff) << 24);
8381
8382 pci_write_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
8383 cacheline_sz_reg);
8384 }
8385
8386 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
8387 &pci_state_reg);
8388
8389 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) {
8390 tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
8391
8392 /* If this is a 5700 BX chipset, and we are in PCI-X
8393 * mode, enable register write workaround.
8394 *
8395 * The workaround is to use indirect register accesses
8396 * for all chip writes not to mailbox registers.
8397 */
8398 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
8399 u32 pm_reg;
8400 u16 pci_cmd;
8401
8402 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
8403
8404 /* The chip can have it's power management PCI config
8405 * space registers clobbered due to this bug.
8406 * So explicitly force the chip into D0 here.
8407 */
8408 pci_read_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
8409 &pm_reg);
8410 pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
8411 pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
8412 pci_write_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
8413 pm_reg);
8414
8415 /* Also, force SERR#/PERR# in PCI command. */
8416 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
8417 pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
8418 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
8419 }
8420 }
8421
8422 /* Back to back register writes can cause problems on this chip,
8423 * the workaround is to read back all reg writes except those to
8424 * mailbox regs. See tg3_write_indirect_reg32().
8425 *
8426 * PCI Express 5750_A0 rev chips need this workaround too.
8427 */
8428 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
8429 ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
8430 tp->pci_chip_rev_id == CHIPREV_ID_5750_A0))
8431 tp->tg3_flags |= TG3_FLAG_5701_REG_WRITE_BUG;
8432
8433 if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
8434 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
8435 if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
8436 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
8437
8438 /* Chip-specific fixup from Broadcom driver */
8439 if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
8440 (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
8441 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
8442 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
8443 }
8444
8445 /* Get eeprom hw config before calling tg3_set_power_state().
8446 * In particular, the TG3_FLAG_EEPROM_WRITE_PROT flag must be
8447 * determined before calling tg3_set_power_state() so that
8448 * we know whether or not to switch out of Vaux power.
8449 * When the flag is set, it means that GPIO1 is used for eeprom
8450 * write protect and also implies that it is a LOM where GPIOs
8451 * are not used to switch power.
8452 */
8453 tg3_get_eeprom_hw_cfg(tp);
8454
8455 /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
8456 * GPIO1 driven high will bring 5700's external PHY out of reset.
8457 * It is also used as eeprom write protect on LOMs.
8458 */
8459 tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
8460 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
8461 (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
8462 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
8463 GRC_LCLCTRL_GPIO_OUTPUT1);
8464 /* Unused GPIO3 must be driven as output on 5752 because there
8465 * are no pull-up resistors on unused GPIO pins.
8466 */
8467 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
8468 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
8469
8470 /* Force the chip into D0. */
8471 err = tg3_set_power_state(tp, 0);
8472 if (err) {
8473 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
8474 pci_name(tp->pdev));
8475 return err;
8476 }
8477
8478 /* 5700 B0 chips do not support checksumming correctly due
8479 * to hardware bugs.
8480 */
8481 if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
8482 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
8483
8484 /* Pseudo-header checksum is done by hardware logic and not
8485 * the offload processers, so make the chip do the pseudo-
8486 * header checksums on receive. For transmit it is more
8487 * convenient to do the pseudo-header checksum in software
8488 * as Linux does that on transmit for us in all cases.
8489 */
8490 tp->tg3_flags |= TG3_FLAG_NO_TX_PSEUDO_CSUM;
8491 tp->tg3_flags &= ~TG3_FLAG_NO_RX_PSEUDO_CSUM;
8492
8493 /* Derive initial jumbo mode from MTU assigned in
8494 * ether_setup() via the alloc_etherdev() call
8495 */
8496 if (tp->dev->mtu > ETH_DATA_LEN)
8497 tp->tg3_flags |= TG3_FLAG_JUMBO_ENABLE;
8498
8499 /* Determine WakeOnLan speed to use. */
8500 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
8501 tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
8502 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
8503 tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
8504 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
8505 } else {
8506 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
8507 }
8508
8509 /* A few boards don't want Ethernet@WireSpeed phy feature */
8510 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
8511 ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
8512 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
8513 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)))
8514 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
8515
8516 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
8517 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
8518 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
8519 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
8520 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
8521
8522 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
8523 tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
8524
8525 tp->coalesce_mode = 0;
8526 if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
8527 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
8528 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
8529
8530 /* Initialize MAC MI mode, polling disabled. */
8531 tw32_f(MAC_MI_MODE, tp->mi_mode);
8532 udelay(80);
8533
8534 /* Initialize data/descriptor byte/word swapping. */
8535 val = tr32(GRC_MODE);
8536 val &= GRC_MODE_HOST_STACKUP;
8537 tw32(GRC_MODE, val | tp->grc_mode);
8538
8539 tg3_switch_clocks(tp);
8540
8541 /* Clear this out for sanity. */
8542 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
8543
8544 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
8545 &pci_state_reg);
8546 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
8547 (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
8548 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
8549
8550 if (chiprevid == CHIPREV_ID_5701_A0 ||
8551 chiprevid == CHIPREV_ID_5701_B0 ||
8552 chiprevid == CHIPREV_ID_5701_B2 ||
8553 chiprevid == CHIPREV_ID_5701_B5) {
8554 void __iomem *sram_base;
8555
8556 /* Write some dummy words into the SRAM status block
8557 * area, see if it reads back correctly. If the return
8558 * value is bad, force enable the PCIX workaround.
8559 */
8560 sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
8561
8562 writel(0x00000000, sram_base);
8563 writel(0x00000000, sram_base + 4);
8564 writel(0xffffffff, sram_base + 4);
8565 if (readl(sram_base) != 0x00000000)
8566 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
8567 }
8568 }
8569
8570 udelay(50);
8571 tg3_nvram_init(tp);
8572
8573 grc_misc_cfg = tr32(GRC_MISC_CFG);
8574 grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
8575
8576 /* Broadcom's driver says that CIOBE multisplit has a bug */
8577 #if 0
8578 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
8579 grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5704CIOBE) {
8580 tp->tg3_flags |= TG3_FLAG_SPLIT_MODE;
8581 tp->split_mode_max_reqs = SPLIT_MODE_5704_MAX_REQ;
8582 }
8583 #endif
8584 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
8585 (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
8586 grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
8587 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
8588
8589 if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
8590 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
8591 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
8592 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
8593 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
8594 HOSTCC_MODE_CLRTICK_TXBD);
8595
8596 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
8597 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
8598 tp->misc_host_ctrl);
8599 }
8600
8601 /* these are limited to 10/100 only */
8602 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
8603 (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
8604 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
8605 tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
8606 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
8607 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
8608 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
8609 (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
8610 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
8611 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F)))
8612 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
8613
8614 err = tg3_phy_probe(tp);
8615 if (err) {
8616 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
8617 pci_name(tp->pdev), err);
8618 /* ... but do not return immediately ... */
8619 }
8620
8621 tg3_read_partno(tp);
8622
8623 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
8624 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
8625 } else {
8626 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
8627 tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
8628 else
8629 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
8630 }
8631
8632 /* 5700 {AX,BX} chips have a broken status block link
8633 * change bit implementation, so we must use the
8634 * status register in those cases.
8635 */
8636 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
8637 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
8638 else
8639 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
8640
8641 /* The led_ctrl is set during tg3_phy_probe, here we might
8642 * have to force the link status polling mechanism based
8643 * upon subsystem IDs.
8644 */
8645 if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
8646 !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
8647 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
8648 TG3_FLAG_USE_LINKCHG_REG);
8649 }
8650
8651 /* For all SERDES we poll the MAC status register. */
8652 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
8653 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
8654 else
8655 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
8656
8657 /* 5700 BX chips need to have their TX producer index mailboxes
8658 * written twice to workaround a bug.
8659 */
8660 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
8661 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
8662 else
8663 tp->tg3_flags &= ~TG3_FLAG_TXD_MBOX_HWBUG;
8664
8665 /* It seems all chips can get confused if TX buffers
8666 * straddle the 4GB address boundary in some cases.
8667 */
8668 tp->dev->hard_start_xmit = tg3_start_xmit;
8669
8670 tp->rx_offset = 2;
8671 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
8672 (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
8673 tp->rx_offset = 0;
8674
8675 /* By default, disable wake-on-lan. User can change this
8676 * using ETHTOOL_SWOL.
8677 */
8678 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
8679
8680 return err;
8681 }
8682
8683 #ifdef CONFIG_SPARC64
8684 static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
8685 {
8686 struct net_device *dev = tp->dev;
8687 struct pci_dev *pdev = tp->pdev;
8688 struct pcidev_cookie *pcp = pdev->sysdata;
8689
8690 if (pcp != NULL) {
8691 int node = pcp->prom_node;
8692
8693 if (prom_getproplen(node, "local-mac-address") == 6) {
8694 prom_getproperty(node, "local-mac-address",
8695 dev->dev_addr, 6);
8696 return 0;
8697 }
8698 }
8699 return -ENODEV;
8700 }
8701
8702 static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
8703 {
8704 struct net_device *dev = tp->dev;
8705
8706 memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
8707 return 0;
8708 }
8709 #endif
8710
8711 static int __devinit tg3_get_device_address(struct tg3 *tp)
8712 {
8713 struct net_device *dev = tp->dev;
8714 u32 hi, lo, mac_offset;
8715
8716 #ifdef CONFIG_SPARC64
8717 if (!tg3_get_macaddr_sparc(tp))
8718 return 0;
8719 #endif
8720
8721 mac_offset = 0x7c;
8722 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
8723 !(tp->tg3_flags & TG3_FLG2_SUN_570X)) {
8724 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
8725 mac_offset = 0xcc;
8726 if (tg3_nvram_lock(tp))
8727 tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
8728 else
8729 tg3_nvram_unlock(tp);
8730 }
8731
8732 /* First try to get it from MAC address mailbox. */
8733 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
8734 if ((hi >> 16) == 0x484b) {
8735 dev->dev_addr[0] = (hi >> 8) & 0xff;
8736 dev->dev_addr[1] = (hi >> 0) & 0xff;
8737
8738 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
8739 dev->dev_addr[2] = (lo >> 24) & 0xff;
8740 dev->dev_addr[3] = (lo >> 16) & 0xff;
8741 dev->dev_addr[4] = (lo >> 8) & 0xff;
8742 dev->dev_addr[5] = (lo >> 0) & 0xff;
8743 }
8744 /* Next, try NVRAM. */
8745 else if (!(tp->tg3_flags & TG3_FLG2_SUN_570X) &&
8746 !tg3_nvram_read(tp, mac_offset + 0, &hi) &&
8747 !tg3_nvram_read(tp, mac_offset + 4, &lo)) {
8748 dev->dev_addr[0] = ((hi >> 16) & 0xff);
8749 dev->dev_addr[1] = ((hi >> 24) & 0xff);
8750 dev->dev_addr[2] = ((lo >> 0) & 0xff);
8751 dev->dev_addr[3] = ((lo >> 8) & 0xff);
8752 dev->dev_addr[4] = ((lo >> 16) & 0xff);
8753 dev->dev_addr[5] = ((lo >> 24) & 0xff);
8754 }
8755 /* Finally just fetch it out of the MAC control regs. */
8756 else {
8757 hi = tr32(MAC_ADDR_0_HIGH);
8758 lo = tr32(MAC_ADDR_0_LOW);
8759
8760 dev->dev_addr[5] = lo & 0xff;
8761 dev->dev_addr[4] = (lo >> 8) & 0xff;
8762 dev->dev_addr[3] = (lo >> 16) & 0xff;
8763 dev->dev_addr[2] = (lo >> 24) & 0xff;
8764 dev->dev_addr[1] = hi & 0xff;
8765 dev->dev_addr[0] = (hi >> 8) & 0xff;
8766 }
8767
8768 if (!is_valid_ether_addr(&dev->dev_addr[0])) {
8769 #ifdef CONFIG_SPARC64
8770 if (!tg3_get_default_macaddr_sparc(tp))
8771 return 0;
8772 #endif
8773 return -EINVAL;
8774 }
8775 return 0;
8776 }
8777
8778 #define BOUNDARY_SINGLE_CACHELINE 1
8779 #define BOUNDARY_MULTI_CACHELINE 2
8780
8781 static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
8782 {
8783 int cacheline_size;
8784 u8 byte;
8785 int goal;
8786
8787 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
8788 if (byte == 0)
8789 cacheline_size = 1024;
8790 else
8791 cacheline_size = (int) byte * 4;
8792
8793 /* On 5703 and later chips, the boundary bits have no
8794 * effect.
8795 */
8796 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
8797 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
8798 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
8799 goto out;
8800
8801 #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
8802 goal = BOUNDARY_MULTI_CACHELINE;
8803 #else
8804 #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
8805 goal = BOUNDARY_SINGLE_CACHELINE;
8806 #else
8807 goal = 0;
8808 #endif
8809 #endif
8810
8811 if (!goal)
8812 goto out;
8813
8814 /* PCI controllers on most RISC systems tend to disconnect
8815 * when a device tries to burst across a cache-line boundary.
8816 * Therefore, letting tg3 do so just wastes PCI bandwidth.
8817 *
8818 * Unfortunately, for PCI-E there are only limited
8819 * write-side controls for this, and thus for reads
8820 * we will still get the disconnects. We'll also waste
8821 * these PCI cycles for both read and write for chips
8822 * other than 5700 and 5701 which do not implement the
8823 * boundary bits.
8824 */
8825 if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
8826 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
8827 switch (cacheline_size) {
8828 case 16:
8829 case 32:
8830 case 64:
8831 case 128:
8832 if (goal == BOUNDARY_SINGLE_CACHELINE) {
8833 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
8834 DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
8835 } else {
8836 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
8837 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
8838 }
8839 break;
8840
8841 case 256:
8842 val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
8843 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
8844 break;
8845
8846 default:
8847 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
8848 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
8849 break;
8850 };
8851 } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
8852 switch (cacheline_size) {
8853 case 16:
8854 case 32:
8855 case 64:
8856 if (goal == BOUNDARY_SINGLE_CACHELINE) {
8857 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
8858 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
8859 break;
8860 }
8861 /* fallthrough */
8862 case 128:
8863 default:
8864 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
8865 val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
8866 break;
8867 };
8868 } else {
8869 switch (cacheline_size) {
8870 case 16:
8871 if (goal == BOUNDARY_SINGLE_CACHELINE) {
8872 val |= (DMA_RWCTRL_READ_BNDRY_16 |
8873 DMA_RWCTRL_WRITE_BNDRY_16);
8874 break;
8875 }
8876 /* fallthrough */
8877 case 32:
8878 if (goal == BOUNDARY_SINGLE_CACHELINE) {
8879 val |= (DMA_RWCTRL_READ_BNDRY_32 |
8880 DMA_RWCTRL_WRITE_BNDRY_32);
8881 break;
8882 }
8883 /* fallthrough */
8884 case 64:
8885 if (goal == BOUNDARY_SINGLE_CACHELINE) {
8886 val |= (DMA_RWCTRL_READ_BNDRY_64 |
8887 DMA_RWCTRL_WRITE_BNDRY_64);
8888 break;
8889 }
8890 /* fallthrough */
8891 case 128:
8892 if (goal == BOUNDARY_SINGLE_CACHELINE) {
8893 val |= (DMA_RWCTRL_READ_BNDRY_128 |
8894 DMA_RWCTRL_WRITE_BNDRY_128);
8895 break;
8896 }
8897 /* fallthrough */
8898 case 256:
8899 val |= (DMA_RWCTRL_READ_BNDRY_256 |
8900 DMA_RWCTRL_WRITE_BNDRY_256);
8901 break;
8902 case 512:
8903 val |= (DMA_RWCTRL_READ_BNDRY_512 |
8904 DMA_RWCTRL_WRITE_BNDRY_512);
8905 break;
8906 case 1024:
8907 default:
8908 val |= (DMA_RWCTRL_READ_BNDRY_1024 |
8909 DMA_RWCTRL_WRITE_BNDRY_1024);
8910 break;
8911 };
8912 }
8913
8914 out:
8915 return val;
8916 }
8917
8918 static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
8919 {
8920 struct tg3_internal_buffer_desc test_desc;
8921 u32 sram_dma_descs;
8922 int i, ret;
8923
8924 sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
8925
8926 tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
8927 tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
8928 tw32(RDMAC_STATUS, 0);
8929 tw32(WDMAC_STATUS, 0);
8930
8931 tw32(BUFMGR_MODE, 0);
8932 tw32(FTQ_RESET, 0);
8933
8934 test_desc.addr_hi = ((u64) buf_dma) >> 32;
8935 test_desc.addr_lo = buf_dma & 0xffffffff;
8936 test_desc.nic_mbuf = 0x00002100;
8937 test_desc.len = size;
8938
8939 /*
8940 * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
8941 * the *second* time the tg3 driver was getting loaded after an
8942 * initial scan.
8943 *
8944 * Broadcom tells me:
8945 * ...the DMA engine is connected to the GRC block and a DMA
8946 * reset may affect the GRC block in some unpredictable way...
8947 * The behavior of resets to individual blocks has not been tested.
8948 *
8949 * Broadcom noted the GRC reset will also reset all sub-components.
8950 */
8951 if (to_device) {
8952 test_desc.cqid_sqid = (13 << 8) | 2;
8953
8954 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
8955 udelay(40);
8956 } else {
8957 test_desc.cqid_sqid = (16 << 8) | 7;
8958
8959 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
8960 udelay(40);
8961 }
8962 test_desc.flags = 0x00000005;
8963
8964 for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
8965 u32 val;
8966
8967 val = *(((u32 *)&test_desc) + i);
8968 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
8969 sram_dma_descs + (i * sizeof(u32)));
8970 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
8971 }
8972 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
8973
8974 if (to_device) {
8975 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
8976 } else {
8977 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
8978 }
8979
8980 ret = -ENODEV;
8981 for (i = 0; i < 40; i++) {
8982 u32 val;
8983
8984 if (to_device)
8985 val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
8986 else
8987 val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
8988 if ((val & 0xffff) == sram_dma_descs) {
8989 ret = 0;
8990 break;
8991 }
8992
8993 udelay(100);
8994 }
8995
8996 return ret;
8997 }
8998
8999 #define TEST_BUFFER_SIZE 0x400
9000
9001 static int __devinit tg3_test_dma(struct tg3 *tp)
9002 {
9003 dma_addr_t buf_dma;
9004 u32 *buf, saved_dma_rwctrl;
9005 int ret;
9006
9007 buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
9008 if (!buf) {
9009 ret = -ENOMEM;
9010 goto out_nofree;
9011 }
9012
9013 tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
9014 (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
9015
9016 tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
9017
9018 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
9019 /* DMA read watermark not used on PCIE */
9020 tp->dma_rwctrl |= 0x00180000;
9021 } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
9022 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
9023 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
9024 tp->dma_rwctrl |= 0x003f0000;
9025 else
9026 tp->dma_rwctrl |= 0x003f000f;
9027 } else {
9028 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
9029 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
9030 u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
9031
9032 if (ccval == 0x6 || ccval == 0x7)
9033 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
9034
9035 /* Set bit 23 to enable PCIX hw bug fix */
9036 tp->dma_rwctrl |= 0x009f0000;
9037 } else {
9038 tp->dma_rwctrl |= 0x001b000f;
9039 }
9040 }
9041
9042 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
9043 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
9044 tp->dma_rwctrl &= 0xfffffff0;
9045
9046 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
9047 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
9048 /* Remove this if it causes problems for some boards. */
9049 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
9050
9051 /* On 5700/5701 chips, we need to set this bit.
9052 * Otherwise the chip will issue cacheline transactions
9053 * to streamable DMA memory with not all the byte
9054 * enables turned on. This is an error on several
9055 * RISC PCI controllers, in particular sparc64.
9056 *
9057 * On 5703/5704 chips, this bit has been reassigned
9058 * a different meaning. In particular, it is used
9059 * on those chips to enable a PCI-X workaround.
9060 */
9061 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
9062 }
9063
9064 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
9065
9066 #if 0
9067 /* Unneeded, already done by tg3_get_invariants. */
9068 tg3_switch_clocks(tp);
9069 #endif
9070
9071 ret = 0;
9072 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
9073 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
9074 goto out;
9075
9076 /* It is best to perform DMA test with maximum write burst size
9077 * to expose the 5700/5701 write DMA bug.
9078 */
9079 saved_dma_rwctrl = tp->dma_rwctrl;
9080 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
9081 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
9082
9083 while (1) {
9084 u32 *p = buf, i;
9085
9086 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
9087 p[i] = i;
9088
9089 /* Send the buffer to the chip. */
9090 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
9091 if (ret) {
9092 printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
9093 break;
9094 }
9095
9096 #if 0
9097 /* validate data reached card RAM correctly. */
9098 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
9099 u32 val;
9100 tg3_read_mem(tp, 0x2100 + (i*4), &val);
9101 if (le32_to_cpu(val) != p[i]) {
9102 printk(KERN_ERR " tg3_test_dma() Card buffer corrupted on write! (%d != %d)\n", val, i);
9103 /* ret = -ENODEV here? */
9104 }
9105 p[i] = 0;
9106 }
9107 #endif
9108 /* Now read it back. */
9109 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
9110 if (ret) {
9111 printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
9112
9113 break;
9114 }
9115
9116 /* Verify it. */
9117 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
9118 if (p[i] == i)
9119 continue;
9120
9121 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
9122 DMA_RWCTRL_WRITE_BNDRY_16) {
9123 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
9124 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
9125 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
9126 break;
9127 } else {
9128 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
9129 ret = -ENODEV;
9130 goto out;
9131 }
9132 }
9133
9134 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
9135 /* Success. */
9136 ret = 0;
9137 break;
9138 }
9139 }
9140 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
9141 DMA_RWCTRL_WRITE_BNDRY_16) {
9142 /* DMA test passed without adjusting DMA boundary,
9143 * just restore the calculated DMA boundary
9144 */
9145 tp->dma_rwctrl = saved_dma_rwctrl;
9146 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
9147 }
9148
9149 out:
9150 pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
9151 out_nofree:
9152 return ret;
9153 }
9154
9155 static void __devinit tg3_init_link_config(struct tg3 *tp)
9156 {
9157 tp->link_config.advertising =
9158 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
9159 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
9160 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
9161 ADVERTISED_Autoneg | ADVERTISED_MII);
9162 tp->link_config.speed = SPEED_INVALID;
9163 tp->link_config.duplex = DUPLEX_INVALID;
9164 tp->link_config.autoneg = AUTONEG_ENABLE;
9165 netif_carrier_off(tp->dev);
9166 tp->link_config.active_speed = SPEED_INVALID;
9167 tp->link_config.active_duplex = DUPLEX_INVALID;
9168 tp->link_config.phy_is_low_power = 0;
9169 tp->link_config.orig_speed = SPEED_INVALID;
9170 tp->link_config.orig_duplex = DUPLEX_INVALID;
9171 tp->link_config.orig_autoneg = AUTONEG_INVALID;
9172 }
9173
9174 static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
9175 {
9176 tp->bufmgr_config.mbuf_read_dma_low_water =
9177 DEFAULT_MB_RDMA_LOW_WATER;
9178 tp->bufmgr_config.mbuf_mac_rx_low_water =
9179 DEFAULT_MB_MACRX_LOW_WATER;
9180 tp->bufmgr_config.mbuf_high_water =
9181 DEFAULT_MB_HIGH_WATER;
9182
9183 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
9184 DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
9185 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
9186 DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
9187 tp->bufmgr_config.mbuf_high_water_jumbo =
9188 DEFAULT_MB_HIGH_WATER_JUMBO;
9189
9190 tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
9191 tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
9192 }
9193
9194 static char * __devinit tg3_phy_string(struct tg3 *tp)
9195 {
9196 switch (tp->phy_id & PHY_ID_MASK) {
9197 case PHY_ID_BCM5400: return "5400";
9198 case PHY_ID_BCM5401: return "5401";
9199 case PHY_ID_BCM5411: return "5411";
9200 case PHY_ID_BCM5701: return "5701";
9201 case PHY_ID_BCM5703: return "5703";
9202 case PHY_ID_BCM5704: return "5704";
9203 case PHY_ID_BCM5705: return "5705";
9204 case PHY_ID_BCM5750: return "5750";
9205 case PHY_ID_BCM5752: return "5752";
9206 case PHY_ID_BCM8002: return "8002/serdes";
9207 case 0: return "serdes";
9208 default: return "unknown";
9209 };
9210 }
9211
9212 static struct pci_dev * __devinit tg3_find_5704_peer(struct tg3 *tp)
9213 {
9214 struct pci_dev *peer;
9215 unsigned int func, devnr = tp->pdev->devfn & ~7;
9216
9217 for (func = 0; func < 8; func++) {
9218 peer = pci_get_slot(tp->pdev->bus, devnr | func);
9219 if (peer && peer != tp->pdev)
9220 break;
9221 pci_dev_put(peer);
9222 }
9223 if (!peer || peer == tp->pdev)
9224 BUG();
9225
9226 /*
9227 * We don't need to keep the refcount elevated; there's no way
9228 * to remove one half of this device without removing the other
9229 */
9230 pci_dev_put(peer);
9231
9232 return peer;
9233 }
9234
9235 static void __devinit tg3_init_coal(struct tg3 *tp)
9236 {
9237 struct ethtool_coalesce *ec = &tp->coal;
9238
9239 memset(ec, 0, sizeof(*ec));
9240 ec->cmd = ETHTOOL_GCOALESCE;
9241 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
9242 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
9243 ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
9244 ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
9245 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
9246 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
9247 ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
9248 ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
9249 ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
9250
9251 if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
9252 HOSTCC_MODE_CLRTICK_TXBD)) {
9253 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
9254 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
9255 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
9256 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
9257 }
9258 }
9259
9260 static int __devinit tg3_init_one(struct pci_dev *pdev,
9261 const struct pci_device_id *ent)
9262 {
9263 static int tg3_version_printed = 0;
9264 unsigned long tg3reg_base, tg3reg_len;
9265 struct net_device *dev;
9266 struct tg3 *tp;
9267 int i, err, pci_using_dac, pm_cap;
9268
9269 if (tg3_version_printed++ == 0)
9270 printk(KERN_INFO "%s", version);
9271
9272 err = pci_enable_device(pdev);
9273 if (err) {
9274 printk(KERN_ERR PFX "Cannot enable PCI device, "
9275 "aborting.\n");
9276 return err;
9277 }
9278
9279 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
9280 printk(KERN_ERR PFX "Cannot find proper PCI device "
9281 "base address, aborting.\n");
9282 err = -ENODEV;
9283 goto err_out_disable_pdev;
9284 }
9285
9286 err = pci_request_regions(pdev, DRV_MODULE_NAME);
9287 if (err) {
9288 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
9289 "aborting.\n");
9290 goto err_out_disable_pdev;
9291 }
9292
9293 pci_set_master(pdev);
9294
9295 /* Find power-management capability. */
9296 pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9297 if (pm_cap == 0) {
9298 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
9299 "aborting.\n");
9300 err = -EIO;
9301 goto err_out_free_res;
9302 }
9303
9304 /* Configure DMA attributes. */
9305 err = pci_set_dma_mask(pdev, 0xffffffffffffffffULL);
9306 if (!err) {
9307 pci_using_dac = 1;
9308 err = pci_set_consistent_dma_mask(pdev, 0xffffffffffffffffULL);
9309 if (err < 0) {
9310 printk(KERN_ERR PFX "Unable to obtain 64 bit DMA "
9311 "for consistent allocations\n");
9312 goto err_out_free_res;
9313 }
9314 } else {
9315 err = pci_set_dma_mask(pdev, 0xffffffffULL);
9316 if (err) {
9317 printk(KERN_ERR PFX "No usable DMA configuration, "
9318 "aborting.\n");
9319 goto err_out_free_res;
9320 }
9321 pci_using_dac = 0;
9322 }
9323
9324 tg3reg_base = pci_resource_start(pdev, 0);
9325 tg3reg_len = pci_resource_len(pdev, 0);
9326
9327 dev = alloc_etherdev(sizeof(*tp));
9328 if (!dev) {
9329 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
9330 err = -ENOMEM;
9331 goto err_out_free_res;
9332 }
9333
9334 SET_MODULE_OWNER(dev);
9335 SET_NETDEV_DEV(dev, &pdev->dev);
9336
9337 if (pci_using_dac)
9338 dev->features |= NETIF_F_HIGHDMA;
9339 dev->features |= NETIF_F_LLTX;
9340 #if TG3_VLAN_TAG_USED
9341 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
9342 dev->vlan_rx_register = tg3_vlan_rx_register;
9343 dev->vlan_rx_kill_vid = tg3_vlan_rx_kill_vid;
9344 #endif
9345
9346 tp = netdev_priv(dev);
9347 tp->pdev = pdev;
9348 tp->dev = dev;
9349 tp->pm_cap = pm_cap;
9350 tp->mac_mode = TG3_DEF_MAC_MODE;
9351 tp->rx_mode = TG3_DEF_RX_MODE;
9352 tp->tx_mode = TG3_DEF_TX_MODE;
9353 tp->mi_mode = MAC_MI_MODE_BASE;
9354 if (tg3_debug > 0)
9355 tp->msg_enable = tg3_debug;
9356 else
9357 tp->msg_enable = TG3_DEF_MSG_ENABLE;
9358
9359 /* The word/byte swap controls here control register access byte
9360 * swapping. DMA data byte swapping is controlled in the GRC_MODE
9361 * setting below.
9362 */
9363 tp->misc_host_ctrl =
9364 MISC_HOST_CTRL_MASK_PCI_INT |
9365 MISC_HOST_CTRL_WORD_SWAP |
9366 MISC_HOST_CTRL_INDIR_ACCESS |
9367 MISC_HOST_CTRL_PCISTATE_RW;
9368
9369 /* The NONFRM (non-frame) byte/word swap controls take effect
9370 * on descriptor entries, anything which isn't packet data.
9371 *
9372 * The StrongARM chips on the board (one for tx, one for rx)
9373 * are running in big-endian mode.
9374 */
9375 tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
9376 GRC_MODE_WSWAP_NONFRM_DATA);
9377 #ifdef __BIG_ENDIAN
9378 tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
9379 #endif
9380 spin_lock_init(&tp->lock);
9381 spin_lock_init(&tp->tx_lock);
9382 spin_lock_init(&tp->indirect_lock);
9383 INIT_WORK(&tp->reset_task, tg3_reset_task, tp);
9384
9385 tp->regs = ioremap_nocache(tg3reg_base, tg3reg_len);
9386 if (tp->regs == 0UL) {
9387 printk(KERN_ERR PFX "Cannot map device registers, "
9388 "aborting.\n");
9389 err = -ENOMEM;
9390 goto err_out_free_dev;
9391 }
9392
9393 tg3_init_link_config(tp);
9394
9395 tg3_init_bufmgr_config(tp);
9396
9397 tp->rx_pending = TG3_DEF_RX_RING_PENDING;
9398 tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
9399 tp->tx_pending = TG3_DEF_TX_RING_PENDING;
9400
9401 dev->open = tg3_open;
9402 dev->stop = tg3_close;
9403 dev->get_stats = tg3_get_stats;
9404 dev->set_multicast_list = tg3_set_rx_mode;
9405 dev->set_mac_address = tg3_set_mac_addr;
9406 dev->do_ioctl = tg3_ioctl;
9407 dev->tx_timeout = tg3_tx_timeout;
9408 dev->poll = tg3_poll;
9409 dev->ethtool_ops = &tg3_ethtool_ops;
9410 dev->weight = 64;
9411 dev->watchdog_timeo = TG3_TX_TIMEOUT;
9412 dev->change_mtu = tg3_change_mtu;
9413 dev->irq = pdev->irq;
9414 #ifdef CONFIG_NET_POLL_CONTROLLER
9415 dev->poll_controller = tg3_poll_controller;
9416 #endif
9417
9418 err = tg3_get_invariants(tp);
9419 if (err) {
9420 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
9421 "aborting.\n");
9422 goto err_out_iounmap;
9423 }
9424
9425 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
9426 tp->bufmgr_config.mbuf_read_dma_low_water =
9427 DEFAULT_MB_RDMA_LOW_WATER_5705;
9428 tp->bufmgr_config.mbuf_mac_rx_low_water =
9429 DEFAULT_MB_MACRX_LOW_WATER_5705;
9430 tp->bufmgr_config.mbuf_high_water =
9431 DEFAULT_MB_HIGH_WATER_5705;
9432 }
9433
9434 #if TG3_TSO_SUPPORT != 0
9435 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
9436 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
9437 }
9438 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
9439 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
9440 tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
9441 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
9442 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
9443 } else {
9444 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
9445 }
9446
9447 /* TSO is off by default, user can enable using ethtool. */
9448 #if 0
9449 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)
9450 dev->features |= NETIF_F_TSO;
9451 #endif
9452
9453 #endif
9454
9455 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
9456 !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
9457 !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
9458 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
9459 tp->rx_pending = 63;
9460 }
9461
9462 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
9463 tp->pdev_peer = tg3_find_5704_peer(tp);
9464
9465 err = tg3_get_device_address(tp);
9466 if (err) {
9467 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
9468 "aborting.\n");
9469 goto err_out_iounmap;
9470 }
9471
9472 /*
9473 * Reset chip in case UNDI or EFI driver did not shutdown
9474 * DMA self test will enable WDMAC and we'll see (spurious)
9475 * pending DMA on the PCI bus at that point.
9476 */
9477 if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
9478 (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
9479 pci_save_state(tp->pdev);
9480 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
9481 tg3_halt(tp, 1);
9482 }
9483
9484 err = tg3_test_dma(tp);
9485 if (err) {
9486 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
9487 goto err_out_iounmap;
9488 }
9489
9490 /* Tigon3 can do ipv4 only... and some chips have buggy
9491 * checksumming.
9492 */
9493 if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
9494 dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
9495 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
9496 } else
9497 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
9498
9499 if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
9500 dev->features &= ~NETIF_F_HIGHDMA;
9501
9502 /* flow control autonegotiation is default behavior */
9503 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
9504
9505 tg3_init_coal(tp);
9506
9507 err = register_netdev(dev);
9508 if (err) {
9509 printk(KERN_ERR PFX "Cannot register net device, "
9510 "aborting.\n");
9511 goto err_out_iounmap;
9512 }
9513
9514 pci_set_drvdata(pdev, dev);
9515
9516 /* Now that we have fully setup the chip, save away a snapshot
9517 * of the PCI config space. We need to restore this after
9518 * GRC_MISC_CFG core clock resets and some resume events.
9519 */
9520 pci_save_state(tp->pdev);
9521
9522 printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (PCI%s:%s:%s) %sBaseT Ethernet ",
9523 dev->name,
9524 tp->board_part_number,
9525 tp->pci_chip_rev_id,
9526 tg3_phy_string(tp),
9527 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ? "X" : ""),
9528 ((tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED) ?
9529 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ? "133MHz" : "66MHz") :
9530 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ? "100MHz" : "33MHz")),
9531 ((tp->tg3_flags & TG3_FLAG_PCI_32BIT) ? "32-bit" : "64-bit"),
9532 (tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100" : "10/100/1000");
9533
9534 for (i = 0; i < 6; i++)
9535 printk("%2.2x%c", dev->dev_addr[i],
9536 i == 5 ? '\n' : ':');
9537
9538 printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] "
9539 "MIirq[%d] ASF[%d] Split[%d] WireSpeed[%d] "
9540 "TSOcap[%d] \n",
9541 dev->name,
9542 (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
9543 (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
9544 (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
9545 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
9546 (tp->tg3_flags & TG3_FLAG_SPLIT_MODE) != 0,
9547 (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
9548 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
9549 printk(KERN_INFO "%s: dma_rwctrl[%08x]\n",
9550 dev->name, tp->dma_rwctrl);
9551
9552 return 0;
9553
9554 err_out_iounmap:
9555 iounmap(tp->regs);
9556
9557 err_out_free_dev:
9558 free_netdev(dev);
9559
9560 err_out_free_res:
9561 pci_release_regions(pdev);
9562
9563 err_out_disable_pdev:
9564 pci_disable_device(pdev);
9565 pci_set_drvdata(pdev, NULL);
9566 return err;
9567 }
9568
9569 static void __devexit tg3_remove_one(struct pci_dev *pdev)
9570 {
9571 struct net_device *dev = pci_get_drvdata(pdev);
9572
9573 if (dev) {
9574 struct tg3 *tp = netdev_priv(dev);
9575
9576 unregister_netdev(dev);
9577 iounmap(tp->regs);
9578 free_netdev(dev);
9579 pci_release_regions(pdev);
9580 pci_disable_device(pdev);
9581 pci_set_drvdata(pdev, NULL);
9582 }
9583 }
9584
9585 static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
9586 {
9587 struct net_device *dev = pci_get_drvdata(pdev);
9588 struct tg3 *tp = netdev_priv(dev);
9589 int err;
9590
9591 if (!netif_running(dev))
9592 return 0;
9593
9594 tg3_netif_stop(tp);
9595
9596 del_timer_sync(&tp->timer);
9597
9598 spin_lock_irq(&tp->lock);
9599 spin_lock(&tp->tx_lock);
9600 tg3_disable_ints(tp);
9601 spin_unlock(&tp->tx_lock);
9602 spin_unlock_irq(&tp->lock);
9603
9604 netif_device_detach(dev);
9605
9606 spin_lock_irq(&tp->lock);
9607 spin_lock(&tp->tx_lock);
9608 tg3_halt(tp, 1);
9609 spin_unlock(&tp->tx_lock);
9610 spin_unlock_irq(&tp->lock);
9611
9612 err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
9613 if (err) {
9614 spin_lock_irq(&tp->lock);
9615 spin_lock(&tp->tx_lock);
9616
9617 tg3_init_hw(tp);
9618
9619 tp->timer.expires = jiffies + tp->timer_offset;
9620 add_timer(&tp->timer);
9621
9622 netif_device_attach(dev);
9623 tg3_netif_start(tp);
9624
9625 spin_unlock(&tp->tx_lock);
9626 spin_unlock_irq(&tp->lock);
9627 }
9628
9629 return err;
9630 }
9631
9632 static int tg3_resume(struct pci_dev *pdev)
9633 {
9634 struct net_device *dev = pci_get_drvdata(pdev);
9635 struct tg3 *tp = netdev_priv(dev);
9636 int err;
9637
9638 if (!netif_running(dev))
9639 return 0;
9640
9641 pci_restore_state(tp->pdev);
9642
9643 err = tg3_set_power_state(tp, 0);
9644 if (err)
9645 return err;
9646
9647 netif_device_attach(dev);
9648
9649 spin_lock_irq(&tp->lock);
9650 spin_lock(&tp->tx_lock);
9651
9652 tg3_init_hw(tp);
9653
9654 tp->timer.expires = jiffies + tp->timer_offset;
9655 add_timer(&tp->timer);
9656
9657 tg3_enable_ints(tp);
9658
9659 tg3_netif_start(tp);
9660
9661 spin_unlock(&tp->tx_lock);
9662 spin_unlock_irq(&tp->lock);
9663
9664 return 0;
9665 }
9666
9667 static struct pci_driver tg3_driver = {
9668 .name = DRV_MODULE_NAME,
9669 .id_table = tg3_pci_tbl,
9670 .probe = tg3_init_one,
9671 .remove = __devexit_p(tg3_remove_one),
9672 .suspend = tg3_suspend,
9673 .resume = tg3_resume
9674 };
9675
9676 static int __init tg3_init(void)
9677 {
9678 return pci_module_init(&tg3_driver);
9679 }
9680
9681 static void __exit tg3_cleanup(void)
9682 {
9683 pci_unregister_driver(&tg3_driver);
9684 }
9685
9686 module_init(tg3_init);
9687 module_exit(tg3_cleanup);
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