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[TG3]: Fix performance regression on 5705.
[deliverable/linux.git] / drivers / net / tg3.c
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) 2005-2007 Broadcom Corporation.
8 *
9 * Firmware is:
10 * Derived from proprietary unpublished source code,
11 * Copyright (C) 2000-2003 Broadcom Corporation.
12 *
13 * Permission is hereby granted for the distribution of this firmware
14 * data in hexadecimal or equivalent format, provided this copyright
15 * notice is accompanying it.
16 */
17
18
19 #include <linux/module.h>
20 #include <linux/moduleparam.h>
21 #include <linux/kernel.h>
22 #include <linux/types.h>
23 #include <linux/compiler.h>
24 #include <linux/slab.h>
25 #include <linux/delay.h>
26 #include <linux/in.h>
27 #include <linux/init.h>
28 #include <linux/ioport.h>
29 #include <linux/pci.h>
30 #include <linux/netdevice.h>
31 #include <linux/etherdevice.h>
32 #include <linux/skbuff.h>
33 #include <linux/ethtool.h>
34 #include <linux/mii.h>
35 #include <linux/if_vlan.h>
36 #include <linux/ip.h>
37 #include <linux/tcp.h>
38 #include <linux/workqueue.h>
39 #include <linux/prefetch.h>
40 #include <linux/dma-mapping.h>
41
42 #include <net/checksum.h>
43 #include <net/ip.h>
44
45 #include <asm/system.h>
46 #include <asm/io.h>
47 #include <asm/byteorder.h>
48 #include <asm/uaccess.h>
49
50 #ifdef CONFIG_SPARC
51 #include <asm/idprom.h>
52 #include <asm/prom.h>
53 #endif
54
55 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
56 #define TG3_VLAN_TAG_USED 1
57 #else
58 #define TG3_VLAN_TAG_USED 0
59 #endif
60
61 #define TG3_TSO_SUPPORT 1
62
63 #include "tg3.h"
64
65 #define DRV_MODULE_NAME "tg3"
66 #define PFX DRV_MODULE_NAME ": "
67 #define DRV_MODULE_VERSION "3.84"
68 #define DRV_MODULE_RELDATE "October 12, 2007"
69
70 #define TG3_DEF_MAC_MODE 0
71 #define TG3_DEF_RX_MODE 0
72 #define TG3_DEF_TX_MODE 0
73 #define TG3_DEF_MSG_ENABLE \
74 (NETIF_MSG_DRV | \
75 NETIF_MSG_PROBE | \
76 NETIF_MSG_LINK | \
77 NETIF_MSG_TIMER | \
78 NETIF_MSG_IFDOWN | \
79 NETIF_MSG_IFUP | \
80 NETIF_MSG_RX_ERR | \
81 NETIF_MSG_TX_ERR)
82
83 /* length of time before we decide the hardware is borked,
84 * and dev->tx_timeout() should be called to fix the problem
85 */
86 #define TG3_TX_TIMEOUT (5 * HZ)
87
88 /* hardware minimum and maximum for a single frame's data payload */
89 #define TG3_MIN_MTU 60
90 #define TG3_MAX_MTU(tp) \
91 ((tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) ? 9000 : 1500)
92
93 /* These numbers seem to be hard coded in the NIC firmware somehow.
94 * You can't change the ring sizes, but you can change where you place
95 * them in the NIC onboard memory.
96 */
97 #define TG3_RX_RING_SIZE 512
98 #define TG3_DEF_RX_RING_PENDING 200
99 #define TG3_RX_JUMBO_RING_SIZE 256
100 #define TG3_DEF_RX_JUMBO_RING_PENDING 100
101
102 /* Do not place this n-ring entries value into the tp struct itself,
103 * we really want to expose these constants to GCC so that modulo et
104 * al. operations are done with shifts and masks instead of with
105 * hw multiply/modulo instructions. Another solution would be to
106 * replace things like '% foo' with '& (foo - 1)'.
107 */
108 #define TG3_RX_RCB_RING_SIZE(tp) \
109 ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ? 512 : 1024)
110
111 #define TG3_TX_RING_SIZE 512
112 #define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
113
114 #define TG3_RX_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
115 TG3_RX_RING_SIZE)
116 #define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
117 TG3_RX_JUMBO_RING_SIZE)
118 #define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
119 TG3_RX_RCB_RING_SIZE(tp))
120 #define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
121 TG3_TX_RING_SIZE)
122 #define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
123
124 #define RX_PKT_BUF_SZ (1536 + tp->rx_offset + 64)
125 #define RX_JUMBO_PKT_BUF_SZ (9046 + tp->rx_offset + 64)
126
127 /* minimum number of free TX descriptors required to wake up TX process */
128 #define TG3_TX_WAKEUP_THRESH(tp) ((tp)->tx_pending / 4)
129
130 /* number of ETHTOOL_GSTATS u64's */
131 #define TG3_NUM_STATS (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
132
133 #define TG3_NUM_TEST 6
134
135 static char version[] __devinitdata =
136 DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
137
138 MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
139 MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
140 MODULE_LICENSE("GPL");
141 MODULE_VERSION(DRV_MODULE_VERSION);
142
143 static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
144 module_param(tg3_debug, int, 0);
145 MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
146
147 static struct pci_device_id tg3_pci_tbl[] = {
148 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
149 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
150 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
151 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
152 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
153 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
154 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
155 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
156 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
157 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
158 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
159 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
160 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
161 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
162 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
163 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
164 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
165 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
166 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
167 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
168 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
169 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
170 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
171 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
172 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
173 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
174 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
175 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
176 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
177 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
178 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
179 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
180 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
181 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
182 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
183 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
184 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
185 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
186 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
187 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
188 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
189 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
190 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
191 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
192 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
193 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
194 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
195 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
196 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
197 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
198 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
199 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
200 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
201 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)},
202 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)},
203 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)},
204 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)},
205 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
206 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
207 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
208 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
209 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
210 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
211 {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
212 {}
213 };
214
215 MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
216
217 static const struct {
218 const char string[ETH_GSTRING_LEN];
219 } ethtool_stats_keys[TG3_NUM_STATS] = {
220 { "rx_octets" },
221 { "rx_fragments" },
222 { "rx_ucast_packets" },
223 { "rx_mcast_packets" },
224 { "rx_bcast_packets" },
225 { "rx_fcs_errors" },
226 { "rx_align_errors" },
227 { "rx_xon_pause_rcvd" },
228 { "rx_xoff_pause_rcvd" },
229 { "rx_mac_ctrl_rcvd" },
230 { "rx_xoff_entered" },
231 { "rx_frame_too_long_errors" },
232 { "rx_jabbers" },
233 { "rx_undersize_packets" },
234 { "rx_in_length_errors" },
235 { "rx_out_length_errors" },
236 { "rx_64_or_less_octet_packets" },
237 { "rx_65_to_127_octet_packets" },
238 { "rx_128_to_255_octet_packets" },
239 { "rx_256_to_511_octet_packets" },
240 { "rx_512_to_1023_octet_packets" },
241 { "rx_1024_to_1522_octet_packets" },
242 { "rx_1523_to_2047_octet_packets" },
243 { "rx_2048_to_4095_octet_packets" },
244 { "rx_4096_to_8191_octet_packets" },
245 { "rx_8192_to_9022_octet_packets" },
246
247 { "tx_octets" },
248 { "tx_collisions" },
249
250 { "tx_xon_sent" },
251 { "tx_xoff_sent" },
252 { "tx_flow_control" },
253 { "tx_mac_errors" },
254 { "tx_single_collisions" },
255 { "tx_mult_collisions" },
256 { "tx_deferred" },
257 { "tx_excessive_collisions" },
258 { "tx_late_collisions" },
259 { "tx_collide_2times" },
260 { "tx_collide_3times" },
261 { "tx_collide_4times" },
262 { "tx_collide_5times" },
263 { "tx_collide_6times" },
264 { "tx_collide_7times" },
265 { "tx_collide_8times" },
266 { "tx_collide_9times" },
267 { "tx_collide_10times" },
268 { "tx_collide_11times" },
269 { "tx_collide_12times" },
270 { "tx_collide_13times" },
271 { "tx_collide_14times" },
272 { "tx_collide_15times" },
273 { "tx_ucast_packets" },
274 { "tx_mcast_packets" },
275 { "tx_bcast_packets" },
276 { "tx_carrier_sense_errors" },
277 { "tx_discards" },
278 { "tx_errors" },
279
280 { "dma_writeq_full" },
281 { "dma_write_prioq_full" },
282 { "rxbds_empty" },
283 { "rx_discards" },
284 { "rx_errors" },
285 { "rx_threshold_hit" },
286
287 { "dma_readq_full" },
288 { "dma_read_prioq_full" },
289 { "tx_comp_queue_full" },
290
291 { "ring_set_send_prod_index" },
292 { "ring_status_update" },
293 { "nic_irqs" },
294 { "nic_avoided_irqs" },
295 { "nic_tx_threshold_hit" }
296 };
297
298 static const struct {
299 const char string[ETH_GSTRING_LEN];
300 } ethtool_test_keys[TG3_NUM_TEST] = {
301 { "nvram test (online) " },
302 { "link test (online) " },
303 { "register test (offline)" },
304 { "memory test (offline)" },
305 { "loopback test (offline)" },
306 { "interrupt test (offline)" },
307 };
308
309 static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
310 {
311 writel(val, tp->regs + off);
312 }
313
314 static u32 tg3_read32(struct tg3 *tp, u32 off)
315 {
316 return (readl(tp->regs + off));
317 }
318
319 static void tg3_ape_write32(struct tg3 *tp, u32 off, u32 val)
320 {
321 writel(val, tp->aperegs + off);
322 }
323
324 static u32 tg3_ape_read32(struct tg3 *tp, u32 off)
325 {
326 return (readl(tp->aperegs + off));
327 }
328
329 static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
330 {
331 unsigned long flags;
332
333 spin_lock_irqsave(&tp->indirect_lock, flags);
334 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
335 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
336 spin_unlock_irqrestore(&tp->indirect_lock, flags);
337 }
338
339 static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
340 {
341 writel(val, tp->regs + off);
342 readl(tp->regs + off);
343 }
344
345 static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
346 {
347 unsigned long flags;
348 u32 val;
349
350 spin_lock_irqsave(&tp->indirect_lock, flags);
351 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
352 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
353 spin_unlock_irqrestore(&tp->indirect_lock, flags);
354 return val;
355 }
356
357 static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
358 {
359 unsigned long flags;
360
361 if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
362 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
363 TG3_64BIT_REG_LOW, val);
364 return;
365 }
366 if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
367 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
368 TG3_64BIT_REG_LOW, val);
369 return;
370 }
371
372 spin_lock_irqsave(&tp->indirect_lock, flags);
373 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
374 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
375 spin_unlock_irqrestore(&tp->indirect_lock, flags);
376
377 /* In indirect mode when disabling interrupts, we also need
378 * to clear the interrupt bit in the GRC local ctrl register.
379 */
380 if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
381 (val == 0x1)) {
382 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
383 tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
384 }
385 }
386
387 static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
388 {
389 unsigned long flags;
390 u32 val;
391
392 spin_lock_irqsave(&tp->indirect_lock, flags);
393 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
394 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
395 spin_unlock_irqrestore(&tp->indirect_lock, flags);
396 return val;
397 }
398
399 /* usec_wait specifies the wait time in usec when writing to certain registers
400 * where it is unsafe to read back the register without some delay.
401 * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
402 * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
403 */
404 static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
405 {
406 if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
407 (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
408 /* Non-posted methods */
409 tp->write32(tp, off, val);
410 else {
411 /* Posted method */
412 tg3_write32(tp, off, val);
413 if (usec_wait)
414 udelay(usec_wait);
415 tp->read32(tp, off);
416 }
417 /* Wait again after the read for the posted method to guarantee that
418 * the wait time is met.
419 */
420 if (usec_wait)
421 udelay(usec_wait);
422 }
423
424 static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
425 {
426 tp->write32_mbox(tp, off, val);
427 if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
428 !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
429 tp->read32_mbox(tp, off);
430 }
431
432 static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
433 {
434 void __iomem *mbox = tp->regs + off;
435 writel(val, mbox);
436 if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
437 writel(val, mbox);
438 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
439 readl(mbox);
440 }
441
442 static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
443 {
444 return (readl(tp->regs + off + GRCMBOX_BASE));
445 }
446
447 static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
448 {
449 writel(val, tp->regs + off + GRCMBOX_BASE);
450 }
451
452 #define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
453 #define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
454 #define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
455 #define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val)
456 #define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
457
458 #define tw32(reg,val) tp->write32(tp, reg, val)
459 #define tw32_f(reg,val) _tw32_flush(tp,(reg),(val), 0)
460 #define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
461 #define tr32(reg) tp->read32(tp, reg)
462
463 static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
464 {
465 unsigned long flags;
466
467 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
468 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
469 return;
470
471 spin_lock_irqsave(&tp->indirect_lock, flags);
472 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
473 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
474 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
475
476 /* Always leave this as zero. */
477 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
478 } else {
479 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
480 tw32_f(TG3PCI_MEM_WIN_DATA, val);
481
482 /* Always leave this as zero. */
483 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
484 }
485 spin_unlock_irqrestore(&tp->indirect_lock, flags);
486 }
487
488 static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
489 {
490 unsigned long flags;
491
492 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
493 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
494 *val = 0;
495 return;
496 }
497
498 spin_lock_irqsave(&tp->indirect_lock, flags);
499 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
500 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
501 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
502
503 /* Always leave this as zero. */
504 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
505 } else {
506 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
507 *val = tr32(TG3PCI_MEM_WIN_DATA);
508
509 /* Always leave this as zero. */
510 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
511 }
512 spin_unlock_irqrestore(&tp->indirect_lock, flags);
513 }
514
515 static void tg3_ape_lock_init(struct tg3 *tp)
516 {
517 int i;
518
519 /* Make sure the driver hasn't any stale locks. */
520 for (i = 0; i < 8; i++)
521 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + 4 * i,
522 APE_LOCK_GRANT_DRIVER);
523 }
524
525 static int tg3_ape_lock(struct tg3 *tp, int locknum)
526 {
527 int i, off;
528 int ret = 0;
529 u32 status;
530
531 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
532 return 0;
533
534 switch (locknum) {
535 case TG3_APE_LOCK_MEM:
536 break;
537 default:
538 return -EINVAL;
539 }
540
541 off = 4 * locknum;
542
543 tg3_ape_write32(tp, TG3_APE_LOCK_REQ + off, APE_LOCK_REQ_DRIVER);
544
545 /* Wait for up to 1 millisecond to acquire lock. */
546 for (i = 0; i < 100; i++) {
547 status = tg3_ape_read32(tp, TG3_APE_LOCK_GRANT + off);
548 if (status == APE_LOCK_GRANT_DRIVER)
549 break;
550 udelay(10);
551 }
552
553 if (status != APE_LOCK_GRANT_DRIVER) {
554 /* Revoke the lock request. */
555 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off,
556 APE_LOCK_GRANT_DRIVER);
557
558 ret = -EBUSY;
559 }
560
561 return ret;
562 }
563
564 static void tg3_ape_unlock(struct tg3 *tp, int locknum)
565 {
566 int off;
567
568 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
569 return;
570
571 switch (locknum) {
572 case TG3_APE_LOCK_MEM:
573 break;
574 default:
575 return;
576 }
577
578 off = 4 * locknum;
579 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off, APE_LOCK_GRANT_DRIVER);
580 }
581
582 static void tg3_disable_ints(struct tg3 *tp)
583 {
584 tw32(TG3PCI_MISC_HOST_CTRL,
585 (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
586 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
587 }
588
589 static inline void tg3_cond_int(struct tg3 *tp)
590 {
591 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
592 (tp->hw_status->status & SD_STATUS_UPDATED))
593 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
594 else
595 tw32(HOSTCC_MODE, tp->coalesce_mode |
596 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
597 }
598
599 static void tg3_enable_ints(struct tg3 *tp)
600 {
601 tp->irq_sync = 0;
602 wmb();
603
604 tw32(TG3PCI_MISC_HOST_CTRL,
605 (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
606 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
607 (tp->last_tag << 24));
608 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
609 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
610 (tp->last_tag << 24));
611 tg3_cond_int(tp);
612 }
613
614 static inline unsigned int tg3_has_work(struct tg3 *tp)
615 {
616 struct tg3_hw_status *sblk = tp->hw_status;
617 unsigned int work_exists = 0;
618
619 /* check for phy events */
620 if (!(tp->tg3_flags &
621 (TG3_FLAG_USE_LINKCHG_REG |
622 TG3_FLAG_POLL_SERDES))) {
623 if (sblk->status & SD_STATUS_LINK_CHG)
624 work_exists = 1;
625 }
626 /* check for RX/TX work to do */
627 if (sblk->idx[0].tx_consumer != tp->tx_cons ||
628 sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
629 work_exists = 1;
630
631 return work_exists;
632 }
633
634 /* tg3_restart_ints
635 * similar to tg3_enable_ints, but it accurately determines whether there
636 * is new work pending and can return without flushing the PIO write
637 * which reenables interrupts
638 */
639 static void tg3_restart_ints(struct tg3 *tp)
640 {
641 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
642 tp->last_tag << 24);
643 mmiowb();
644
645 /* When doing tagged status, this work check is unnecessary.
646 * The last_tag we write above tells the chip which piece of
647 * work we've completed.
648 */
649 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
650 tg3_has_work(tp))
651 tw32(HOSTCC_MODE, tp->coalesce_mode |
652 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
653 }
654
655 static inline void tg3_netif_stop(struct tg3 *tp)
656 {
657 tp->dev->trans_start = jiffies; /* prevent tx timeout */
658 napi_disable(&tp->napi);
659 netif_tx_disable(tp->dev);
660 }
661
662 static inline void tg3_netif_start(struct tg3 *tp)
663 {
664 netif_wake_queue(tp->dev);
665 /* NOTE: unconditional netif_wake_queue is only appropriate
666 * so long as all callers are assured to have free tx slots
667 * (such as after tg3_init_hw)
668 */
669 napi_enable(&tp->napi);
670 tp->hw_status->status |= SD_STATUS_UPDATED;
671 tg3_enable_ints(tp);
672 }
673
674 static void tg3_switch_clocks(struct tg3 *tp)
675 {
676 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
677 u32 orig_clock_ctrl;
678
679 if ((tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
680 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
681 return;
682
683 orig_clock_ctrl = clock_ctrl;
684 clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
685 CLOCK_CTRL_CLKRUN_OENABLE |
686 0x1f);
687 tp->pci_clock_ctrl = clock_ctrl;
688
689 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
690 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
691 tw32_wait_f(TG3PCI_CLOCK_CTRL,
692 clock_ctrl | CLOCK_CTRL_625_CORE, 40);
693 }
694 } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
695 tw32_wait_f(TG3PCI_CLOCK_CTRL,
696 clock_ctrl |
697 (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
698 40);
699 tw32_wait_f(TG3PCI_CLOCK_CTRL,
700 clock_ctrl | (CLOCK_CTRL_ALTCLK),
701 40);
702 }
703 tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
704 }
705
706 #define PHY_BUSY_LOOPS 5000
707
708 static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
709 {
710 u32 frame_val;
711 unsigned int loops;
712 int ret;
713
714 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
715 tw32_f(MAC_MI_MODE,
716 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
717 udelay(80);
718 }
719
720 *val = 0x0;
721
722 frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
723 MI_COM_PHY_ADDR_MASK);
724 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
725 MI_COM_REG_ADDR_MASK);
726 frame_val |= (MI_COM_CMD_READ | MI_COM_START);
727
728 tw32_f(MAC_MI_COM, frame_val);
729
730 loops = PHY_BUSY_LOOPS;
731 while (loops != 0) {
732 udelay(10);
733 frame_val = tr32(MAC_MI_COM);
734
735 if ((frame_val & MI_COM_BUSY) == 0) {
736 udelay(5);
737 frame_val = tr32(MAC_MI_COM);
738 break;
739 }
740 loops -= 1;
741 }
742
743 ret = -EBUSY;
744 if (loops != 0) {
745 *val = frame_val & MI_COM_DATA_MASK;
746 ret = 0;
747 }
748
749 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
750 tw32_f(MAC_MI_MODE, tp->mi_mode);
751 udelay(80);
752 }
753
754 return ret;
755 }
756
757 static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
758 {
759 u32 frame_val;
760 unsigned int loops;
761 int ret;
762
763 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 &&
764 (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
765 return 0;
766
767 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
768 tw32_f(MAC_MI_MODE,
769 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
770 udelay(80);
771 }
772
773 frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
774 MI_COM_PHY_ADDR_MASK);
775 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
776 MI_COM_REG_ADDR_MASK);
777 frame_val |= (val & MI_COM_DATA_MASK);
778 frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
779
780 tw32_f(MAC_MI_COM, frame_val);
781
782 loops = PHY_BUSY_LOOPS;
783 while (loops != 0) {
784 udelay(10);
785 frame_val = tr32(MAC_MI_COM);
786 if ((frame_val & MI_COM_BUSY) == 0) {
787 udelay(5);
788 frame_val = tr32(MAC_MI_COM);
789 break;
790 }
791 loops -= 1;
792 }
793
794 ret = -EBUSY;
795 if (loops != 0)
796 ret = 0;
797
798 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
799 tw32_f(MAC_MI_MODE, tp->mi_mode);
800 udelay(80);
801 }
802
803 return ret;
804 }
805
806 static void tg3_phy_toggle_automdix(struct tg3 *tp, int enable)
807 {
808 u32 phy;
809
810 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
811 (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
812 return;
813
814 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
815 u32 ephy;
816
817 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &ephy)) {
818 tg3_writephy(tp, MII_TG3_EPHY_TEST,
819 ephy | MII_TG3_EPHY_SHADOW_EN);
820 if (!tg3_readphy(tp, MII_TG3_EPHYTST_MISCCTRL, &phy)) {
821 if (enable)
822 phy |= MII_TG3_EPHYTST_MISCCTRL_MDIX;
823 else
824 phy &= ~MII_TG3_EPHYTST_MISCCTRL_MDIX;
825 tg3_writephy(tp, MII_TG3_EPHYTST_MISCCTRL, phy);
826 }
827 tg3_writephy(tp, MII_TG3_EPHY_TEST, ephy);
828 }
829 } else {
830 phy = MII_TG3_AUXCTL_MISC_RDSEL_MISC |
831 MII_TG3_AUXCTL_SHDWSEL_MISC;
832 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, phy) &&
833 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy)) {
834 if (enable)
835 phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
836 else
837 phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
838 phy |= MII_TG3_AUXCTL_MISC_WREN;
839 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
840 }
841 }
842 }
843
844 static void tg3_phy_set_wirespeed(struct tg3 *tp)
845 {
846 u32 val;
847
848 if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
849 return;
850
851 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
852 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
853 tg3_writephy(tp, MII_TG3_AUX_CTRL,
854 (val | (1 << 15) | (1 << 4)));
855 }
856
857 static int tg3_bmcr_reset(struct tg3 *tp)
858 {
859 u32 phy_control;
860 int limit, err;
861
862 /* OK, reset it, and poll the BMCR_RESET bit until it
863 * clears or we time out.
864 */
865 phy_control = BMCR_RESET;
866 err = tg3_writephy(tp, MII_BMCR, phy_control);
867 if (err != 0)
868 return -EBUSY;
869
870 limit = 5000;
871 while (limit--) {
872 err = tg3_readphy(tp, MII_BMCR, &phy_control);
873 if (err != 0)
874 return -EBUSY;
875
876 if ((phy_control & BMCR_RESET) == 0) {
877 udelay(40);
878 break;
879 }
880 udelay(10);
881 }
882 if (limit <= 0)
883 return -EBUSY;
884
885 return 0;
886 }
887
888 static int tg3_wait_macro_done(struct tg3 *tp)
889 {
890 int limit = 100;
891
892 while (limit--) {
893 u32 tmp32;
894
895 if (!tg3_readphy(tp, 0x16, &tmp32)) {
896 if ((tmp32 & 0x1000) == 0)
897 break;
898 }
899 }
900 if (limit <= 0)
901 return -EBUSY;
902
903 return 0;
904 }
905
906 static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
907 {
908 static const u32 test_pat[4][6] = {
909 { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
910 { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
911 { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
912 { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
913 };
914 int chan;
915
916 for (chan = 0; chan < 4; chan++) {
917 int i;
918
919 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
920 (chan * 0x2000) | 0x0200);
921 tg3_writephy(tp, 0x16, 0x0002);
922
923 for (i = 0; i < 6; i++)
924 tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
925 test_pat[chan][i]);
926
927 tg3_writephy(tp, 0x16, 0x0202);
928 if (tg3_wait_macro_done(tp)) {
929 *resetp = 1;
930 return -EBUSY;
931 }
932
933 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
934 (chan * 0x2000) | 0x0200);
935 tg3_writephy(tp, 0x16, 0x0082);
936 if (tg3_wait_macro_done(tp)) {
937 *resetp = 1;
938 return -EBUSY;
939 }
940
941 tg3_writephy(tp, 0x16, 0x0802);
942 if (tg3_wait_macro_done(tp)) {
943 *resetp = 1;
944 return -EBUSY;
945 }
946
947 for (i = 0; i < 6; i += 2) {
948 u32 low, high;
949
950 if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
951 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
952 tg3_wait_macro_done(tp)) {
953 *resetp = 1;
954 return -EBUSY;
955 }
956 low &= 0x7fff;
957 high &= 0x000f;
958 if (low != test_pat[chan][i] ||
959 high != test_pat[chan][i+1]) {
960 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
961 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
962 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
963
964 return -EBUSY;
965 }
966 }
967 }
968
969 return 0;
970 }
971
972 static int tg3_phy_reset_chanpat(struct tg3 *tp)
973 {
974 int chan;
975
976 for (chan = 0; chan < 4; chan++) {
977 int i;
978
979 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
980 (chan * 0x2000) | 0x0200);
981 tg3_writephy(tp, 0x16, 0x0002);
982 for (i = 0; i < 6; i++)
983 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
984 tg3_writephy(tp, 0x16, 0x0202);
985 if (tg3_wait_macro_done(tp))
986 return -EBUSY;
987 }
988
989 return 0;
990 }
991
992 static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
993 {
994 u32 reg32, phy9_orig;
995 int retries, do_phy_reset, err;
996
997 retries = 10;
998 do_phy_reset = 1;
999 do {
1000 if (do_phy_reset) {
1001 err = tg3_bmcr_reset(tp);
1002 if (err)
1003 return err;
1004 do_phy_reset = 0;
1005 }
1006
1007 /* Disable transmitter and interrupt. */
1008 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
1009 continue;
1010
1011 reg32 |= 0x3000;
1012 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1013
1014 /* Set full-duplex, 1000 mbps. */
1015 tg3_writephy(tp, MII_BMCR,
1016 BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
1017
1018 /* Set to master mode. */
1019 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
1020 continue;
1021
1022 tg3_writephy(tp, MII_TG3_CTRL,
1023 (MII_TG3_CTRL_AS_MASTER |
1024 MII_TG3_CTRL_ENABLE_AS_MASTER));
1025
1026 /* Enable SM_DSP_CLOCK and 6dB. */
1027 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1028
1029 /* Block the PHY control access. */
1030 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1031 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
1032
1033 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
1034 if (!err)
1035 break;
1036 } while (--retries);
1037
1038 err = tg3_phy_reset_chanpat(tp);
1039 if (err)
1040 return err;
1041
1042 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1043 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
1044
1045 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
1046 tg3_writephy(tp, 0x16, 0x0000);
1047
1048 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1049 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1050 /* Set Extended packet length bit for jumbo frames */
1051 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
1052 }
1053 else {
1054 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1055 }
1056
1057 tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
1058
1059 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
1060 reg32 &= ~0x3000;
1061 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1062 } else if (!err)
1063 err = -EBUSY;
1064
1065 return err;
1066 }
1067
1068 static void tg3_link_report(struct tg3 *);
1069
1070 /* This will reset the tigon3 PHY if there is no valid
1071 * link unless the FORCE argument is non-zero.
1072 */
1073 static int tg3_phy_reset(struct tg3 *tp)
1074 {
1075 u32 phy_status;
1076 int err;
1077
1078 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1079 u32 val;
1080
1081 val = tr32(GRC_MISC_CFG);
1082 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
1083 udelay(40);
1084 }
1085 err = tg3_readphy(tp, MII_BMSR, &phy_status);
1086 err |= tg3_readphy(tp, MII_BMSR, &phy_status);
1087 if (err != 0)
1088 return -EBUSY;
1089
1090 if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
1091 netif_carrier_off(tp->dev);
1092 tg3_link_report(tp);
1093 }
1094
1095 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1096 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1097 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
1098 err = tg3_phy_reset_5703_4_5(tp);
1099 if (err)
1100 return err;
1101 goto out;
1102 }
1103
1104 err = tg3_bmcr_reset(tp);
1105 if (err)
1106 return err;
1107
1108 out:
1109 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
1110 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1111 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1112 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
1113 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1114 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
1115 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1116 }
1117 if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
1118 tg3_writephy(tp, 0x1c, 0x8d68);
1119 tg3_writephy(tp, 0x1c, 0x8d68);
1120 }
1121 if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
1122 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1123 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1124 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1125 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1126 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1127 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1128 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1129 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1130 }
1131 else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1132 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1133 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1134 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADJUST_TRIM) {
1135 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
1136 tg3_writephy(tp, MII_TG3_TEST1,
1137 MII_TG3_TEST1_TRIM_EN | 0x4);
1138 } else
1139 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
1140 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1141 }
1142 /* Set Extended packet length bit (bit 14) on all chips that */
1143 /* support jumbo frames */
1144 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1145 /* Cannot do read-modify-write on 5401 */
1146 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1147 } else if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1148 u32 phy_reg;
1149
1150 /* Set bit 14 with read-modify-write to preserve other bits */
1151 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1152 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
1153 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
1154 }
1155
1156 /* Set phy register 0x10 bit 0 to high fifo elasticity to support
1157 * jumbo frames transmission.
1158 */
1159 if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1160 u32 phy_reg;
1161
1162 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
1163 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1164 phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
1165 }
1166
1167 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1168 /* adjust output voltage */
1169 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x12);
1170 }
1171
1172 tg3_phy_toggle_automdix(tp, 1);
1173 tg3_phy_set_wirespeed(tp);
1174 return 0;
1175 }
1176
1177 static void tg3_frob_aux_power(struct tg3 *tp)
1178 {
1179 struct tg3 *tp_peer = tp;
1180
1181 if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0)
1182 return;
1183
1184 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
1185 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
1186 struct net_device *dev_peer;
1187
1188 dev_peer = pci_get_drvdata(tp->pdev_peer);
1189 /* remove_one() may have been run on the peer. */
1190 if (!dev_peer)
1191 tp_peer = tp;
1192 else
1193 tp_peer = netdev_priv(dev_peer);
1194 }
1195
1196 if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1197 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
1198 (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1199 (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
1200 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1201 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1202 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1203 (GRC_LCLCTRL_GPIO_OE0 |
1204 GRC_LCLCTRL_GPIO_OE1 |
1205 GRC_LCLCTRL_GPIO_OE2 |
1206 GRC_LCLCTRL_GPIO_OUTPUT0 |
1207 GRC_LCLCTRL_GPIO_OUTPUT1),
1208 100);
1209 } else {
1210 u32 no_gpio2;
1211 u32 grc_local_ctrl = 0;
1212
1213 if (tp_peer != tp &&
1214 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1215 return;
1216
1217 /* Workaround to prevent overdrawing Amps. */
1218 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
1219 ASIC_REV_5714) {
1220 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
1221 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1222 grc_local_ctrl, 100);
1223 }
1224
1225 /* On 5753 and variants, GPIO2 cannot be used. */
1226 no_gpio2 = tp->nic_sram_data_cfg &
1227 NIC_SRAM_DATA_CFG_NO_GPIO2;
1228
1229 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
1230 GRC_LCLCTRL_GPIO_OE1 |
1231 GRC_LCLCTRL_GPIO_OE2 |
1232 GRC_LCLCTRL_GPIO_OUTPUT1 |
1233 GRC_LCLCTRL_GPIO_OUTPUT2;
1234 if (no_gpio2) {
1235 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
1236 GRC_LCLCTRL_GPIO_OUTPUT2);
1237 }
1238 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1239 grc_local_ctrl, 100);
1240
1241 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
1242
1243 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1244 grc_local_ctrl, 100);
1245
1246 if (!no_gpio2) {
1247 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
1248 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1249 grc_local_ctrl, 100);
1250 }
1251 }
1252 } else {
1253 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
1254 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
1255 if (tp_peer != tp &&
1256 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1257 return;
1258
1259 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1260 (GRC_LCLCTRL_GPIO_OE1 |
1261 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1262
1263 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1264 GRC_LCLCTRL_GPIO_OE1, 100);
1265
1266 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1267 (GRC_LCLCTRL_GPIO_OE1 |
1268 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1269 }
1270 }
1271 }
1272
1273 static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
1274 {
1275 if (tp->led_ctrl == LED_CTRL_MODE_PHY_2)
1276 return 1;
1277 else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411) {
1278 if (speed != SPEED_10)
1279 return 1;
1280 } else if (speed == SPEED_10)
1281 return 1;
1282
1283 return 0;
1284 }
1285
1286 static int tg3_setup_phy(struct tg3 *, int);
1287
1288 #define RESET_KIND_SHUTDOWN 0
1289 #define RESET_KIND_INIT 1
1290 #define RESET_KIND_SUSPEND 2
1291
1292 static void tg3_write_sig_post_reset(struct tg3 *, int);
1293 static int tg3_halt_cpu(struct tg3 *, u32);
1294 static int tg3_nvram_lock(struct tg3 *);
1295 static void tg3_nvram_unlock(struct tg3 *);
1296
1297 static void tg3_power_down_phy(struct tg3 *tp)
1298 {
1299 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
1300 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1301 u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
1302 u32 serdes_cfg = tr32(MAC_SERDES_CFG);
1303
1304 sg_dig_ctrl |=
1305 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
1306 tw32(SG_DIG_CTRL, sg_dig_ctrl);
1307 tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
1308 }
1309 return;
1310 }
1311
1312 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1313 u32 val;
1314
1315 tg3_bmcr_reset(tp);
1316 val = tr32(GRC_MISC_CFG);
1317 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
1318 udelay(40);
1319 return;
1320 } else {
1321 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1322 MII_TG3_EXT_CTRL_FORCE_LED_OFF);
1323 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
1324 }
1325
1326 /* The PHY should not be powered down on some chips because
1327 * of bugs.
1328 */
1329 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1330 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1331 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
1332 (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
1333 return;
1334 tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
1335 }
1336
1337 static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
1338 {
1339 u32 misc_host_ctrl;
1340 u16 power_control, power_caps;
1341 int pm = tp->pm_cap;
1342
1343 /* Make sure register accesses (indirect or otherwise)
1344 * will function correctly.
1345 */
1346 pci_write_config_dword(tp->pdev,
1347 TG3PCI_MISC_HOST_CTRL,
1348 tp->misc_host_ctrl);
1349
1350 pci_read_config_word(tp->pdev,
1351 pm + PCI_PM_CTRL,
1352 &power_control);
1353 power_control |= PCI_PM_CTRL_PME_STATUS;
1354 power_control &= ~(PCI_PM_CTRL_STATE_MASK);
1355 switch (state) {
1356 case PCI_D0:
1357 power_control |= 0;
1358 pci_write_config_word(tp->pdev,
1359 pm + PCI_PM_CTRL,
1360 power_control);
1361 udelay(100); /* Delay after power state change */
1362
1363 /* Switch out of Vaux if it is a NIC */
1364 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
1365 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
1366
1367 return 0;
1368
1369 case PCI_D1:
1370 power_control |= 1;
1371 break;
1372
1373 case PCI_D2:
1374 power_control |= 2;
1375 break;
1376
1377 case PCI_D3hot:
1378 power_control |= 3;
1379 break;
1380
1381 default:
1382 printk(KERN_WARNING PFX "%s: Invalid power state (%d) "
1383 "requested.\n",
1384 tp->dev->name, state);
1385 return -EINVAL;
1386 };
1387
1388 power_control |= PCI_PM_CTRL_PME_ENABLE;
1389
1390 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
1391 tw32(TG3PCI_MISC_HOST_CTRL,
1392 misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
1393
1394 if (tp->link_config.phy_is_low_power == 0) {
1395 tp->link_config.phy_is_low_power = 1;
1396 tp->link_config.orig_speed = tp->link_config.speed;
1397 tp->link_config.orig_duplex = tp->link_config.duplex;
1398 tp->link_config.orig_autoneg = tp->link_config.autoneg;
1399 }
1400
1401 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
1402 tp->link_config.speed = SPEED_10;
1403 tp->link_config.duplex = DUPLEX_HALF;
1404 tp->link_config.autoneg = AUTONEG_ENABLE;
1405 tg3_setup_phy(tp, 0);
1406 }
1407
1408 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1409 u32 val;
1410
1411 val = tr32(GRC_VCPU_EXT_CTRL);
1412 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
1413 } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
1414 int i;
1415 u32 val;
1416
1417 for (i = 0; i < 200; i++) {
1418 tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
1419 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
1420 break;
1421 msleep(1);
1422 }
1423 }
1424 if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
1425 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
1426 WOL_DRV_STATE_SHUTDOWN |
1427 WOL_DRV_WOL |
1428 WOL_SET_MAGIC_PKT);
1429
1430 pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
1431
1432 if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
1433 u32 mac_mode;
1434
1435 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
1436 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
1437 udelay(40);
1438
1439 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
1440 mac_mode = MAC_MODE_PORT_MODE_GMII;
1441 else
1442 mac_mode = MAC_MODE_PORT_MODE_MII;
1443
1444 mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY;
1445 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
1446 ASIC_REV_5700) {
1447 u32 speed = (tp->tg3_flags &
1448 TG3_FLAG_WOL_SPEED_100MB) ?
1449 SPEED_100 : SPEED_10;
1450 if (tg3_5700_link_polarity(tp, speed))
1451 mac_mode |= MAC_MODE_LINK_POLARITY;
1452 else
1453 mac_mode &= ~MAC_MODE_LINK_POLARITY;
1454 }
1455 } else {
1456 mac_mode = MAC_MODE_PORT_MODE_TBI;
1457 }
1458
1459 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
1460 tw32(MAC_LED_CTRL, tp->led_ctrl);
1461
1462 if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
1463 (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)))
1464 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
1465
1466 tw32_f(MAC_MODE, mac_mode);
1467 udelay(100);
1468
1469 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
1470 udelay(10);
1471 }
1472
1473 if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
1474 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1475 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1476 u32 base_val;
1477
1478 base_val = tp->pci_clock_ctrl;
1479 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
1480 CLOCK_CTRL_TXCLK_DISABLE);
1481
1482 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
1483 CLOCK_CTRL_PWRDOWN_PLL133, 40);
1484 } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
1485 (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
1486 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
1487 /* do nothing */
1488 } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
1489 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
1490 u32 newbits1, newbits2;
1491
1492 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1493 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1494 newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
1495 CLOCK_CTRL_TXCLK_DISABLE |
1496 CLOCK_CTRL_ALTCLK);
1497 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1498 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
1499 newbits1 = CLOCK_CTRL_625_CORE;
1500 newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
1501 } else {
1502 newbits1 = CLOCK_CTRL_ALTCLK;
1503 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1504 }
1505
1506 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
1507 40);
1508
1509 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
1510 40);
1511
1512 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
1513 u32 newbits3;
1514
1515 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1516 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1517 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
1518 CLOCK_CTRL_TXCLK_DISABLE |
1519 CLOCK_CTRL_44MHZ_CORE);
1520 } else {
1521 newbits3 = CLOCK_CTRL_44MHZ_CORE;
1522 }
1523
1524 tw32_wait_f(TG3PCI_CLOCK_CTRL,
1525 tp->pci_clock_ctrl | newbits3, 40);
1526 }
1527 }
1528
1529 if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
1530 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
1531 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
1532 tg3_power_down_phy(tp);
1533
1534 tg3_frob_aux_power(tp);
1535
1536 /* Workaround for unstable PLL clock */
1537 if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
1538 (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
1539 u32 val = tr32(0x7d00);
1540
1541 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
1542 tw32(0x7d00, val);
1543 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
1544 int err;
1545
1546 err = tg3_nvram_lock(tp);
1547 tg3_halt_cpu(tp, RX_CPU_BASE);
1548 if (!err)
1549 tg3_nvram_unlock(tp);
1550 }
1551 }
1552
1553 tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
1554
1555 /* Finally, set the new power state. */
1556 pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
1557 udelay(100); /* Delay after power state change */
1558
1559 return 0;
1560 }
1561
1562 static void tg3_link_report(struct tg3 *tp)
1563 {
1564 if (!netif_carrier_ok(tp->dev)) {
1565 if (netif_msg_link(tp))
1566 printk(KERN_INFO PFX "%s: Link is down.\n",
1567 tp->dev->name);
1568 } else if (netif_msg_link(tp)) {
1569 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1570 tp->dev->name,
1571 (tp->link_config.active_speed == SPEED_1000 ?
1572 1000 :
1573 (tp->link_config.active_speed == SPEED_100 ?
1574 100 : 10)),
1575 (tp->link_config.active_duplex == DUPLEX_FULL ?
1576 "full" : "half"));
1577
1578 printk(KERN_INFO PFX "%s: Flow control is %s for TX and "
1579 "%s for RX.\n",
1580 tp->dev->name,
1581 (tp->tg3_flags & TG3_FLAG_TX_PAUSE) ? "on" : "off",
1582 (tp->tg3_flags & TG3_FLAG_RX_PAUSE) ? "on" : "off");
1583 }
1584 }
1585
1586 static void tg3_setup_flow_control(struct tg3 *tp, u32 local_adv, u32 remote_adv)
1587 {
1588 u32 new_tg3_flags = 0;
1589 u32 old_rx_mode = tp->rx_mode;
1590 u32 old_tx_mode = tp->tx_mode;
1591
1592 if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) {
1593
1594 /* Convert 1000BaseX flow control bits to 1000BaseT
1595 * bits before resolving flow control.
1596 */
1597 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
1598 local_adv &= ~(ADVERTISE_PAUSE_CAP |
1599 ADVERTISE_PAUSE_ASYM);
1600 remote_adv &= ~(LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1601
1602 if (local_adv & ADVERTISE_1000XPAUSE)
1603 local_adv |= ADVERTISE_PAUSE_CAP;
1604 if (local_adv & ADVERTISE_1000XPSE_ASYM)
1605 local_adv |= ADVERTISE_PAUSE_ASYM;
1606 if (remote_adv & LPA_1000XPAUSE)
1607 remote_adv |= LPA_PAUSE_CAP;
1608 if (remote_adv & LPA_1000XPAUSE_ASYM)
1609 remote_adv |= LPA_PAUSE_ASYM;
1610 }
1611
1612 if (local_adv & ADVERTISE_PAUSE_CAP) {
1613 if (local_adv & ADVERTISE_PAUSE_ASYM) {
1614 if (remote_adv & LPA_PAUSE_CAP)
1615 new_tg3_flags |=
1616 (TG3_FLAG_RX_PAUSE |
1617 TG3_FLAG_TX_PAUSE);
1618 else if (remote_adv & LPA_PAUSE_ASYM)
1619 new_tg3_flags |=
1620 (TG3_FLAG_RX_PAUSE);
1621 } else {
1622 if (remote_adv & LPA_PAUSE_CAP)
1623 new_tg3_flags |=
1624 (TG3_FLAG_RX_PAUSE |
1625 TG3_FLAG_TX_PAUSE);
1626 }
1627 } else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1628 if ((remote_adv & LPA_PAUSE_CAP) &&
1629 (remote_adv & LPA_PAUSE_ASYM))
1630 new_tg3_flags |= TG3_FLAG_TX_PAUSE;
1631 }
1632
1633 tp->tg3_flags &= ~(TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE);
1634 tp->tg3_flags |= new_tg3_flags;
1635 } else {
1636 new_tg3_flags = tp->tg3_flags;
1637 }
1638
1639 if (new_tg3_flags & TG3_FLAG_RX_PAUSE)
1640 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1641 else
1642 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1643
1644 if (old_rx_mode != tp->rx_mode) {
1645 tw32_f(MAC_RX_MODE, tp->rx_mode);
1646 }
1647
1648 if (new_tg3_flags & TG3_FLAG_TX_PAUSE)
1649 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1650 else
1651 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1652
1653 if (old_tx_mode != tp->tx_mode) {
1654 tw32_f(MAC_TX_MODE, tp->tx_mode);
1655 }
1656 }
1657
1658 static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
1659 {
1660 switch (val & MII_TG3_AUX_STAT_SPDMASK) {
1661 case MII_TG3_AUX_STAT_10HALF:
1662 *speed = SPEED_10;
1663 *duplex = DUPLEX_HALF;
1664 break;
1665
1666 case MII_TG3_AUX_STAT_10FULL:
1667 *speed = SPEED_10;
1668 *duplex = DUPLEX_FULL;
1669 break;
1670
1671 case MII_TG3_AUX_STAT_100HALF:
1672 *speed = SPEED_100;
1673 *duplex = DUPLEX_HALF;
1674 break;
1675
1676 case MII_TG3_AUX_STAT_100FULL:
1677 *speed = SPEED_100;
1678 *duplex = DUPLEX_FULL;
1679 break;
1680
1681 case MII_TG3_AUX_STAT_1000HALF:
1682 *speed = SPEED_1000;
1683 *duplex = DUPLEX_HALF;
1684 break;
1685
1686 case MII_TG3_AUX_STAT_1000FULL:
1687 *speed = SPEED_1000;
1688 *duplex = DUPLEX_FULL;
1689 break;
1690
1691 default:
1692 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1693 *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
1694 SPEED_10;
1695 *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
1696 DUPLEX_HALF;
1697 break;
1698 }
1699 *speed = SPEED_INVALID;
1700 *duplex = DUPLEX_INVALID;
1701 break;
1702 };
1703 }
1704
1705 static void tg3_phy_copper_begin(struct tg3 *tp)
1706 {
1707 u32 new_adv;
1708 int i;
1709
1710 if (tp->link_config.phy_is_low_power) {
1711 /* Entering low power mode. Disable gigabit and
1712 * 100baseT advertisements.
1713 */
1714 tg3_writephy(tp, MII_TG3_CTRL, 0);
1715
1716 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
1717 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1718 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
1719 new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
1720
1721 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1722 } else if (tp->link_config.speed == SPEED_INVALID) {
1723 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
1724 tp->link_config.advertising &=
1725 ~(ADVERTISED_1000baseT_Half |
1726 ADVERTISED_1000baseT_Full);
1727
1728 new_adv = (ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1729 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
1730 new_adv |= ADVERTISE_10HALF;
1731 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
1732 new_adv |= ADVERTISE_10FULL;
1733 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
1734 new_adv |= ADVERTISE_100HALF;
1735 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
1736 new_adv |= ADVERTISE_100FULL;
1737 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1738
1739 if (tp->link_config.advertising &
1740 (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
1741 new_adv = 0;
1742 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
1743 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
1744 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
1745 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
1746 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
1747 (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1748 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
1749 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1750 MII_TG3_CTRL_ENABLE_AS_MASTER);
1751 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1752 } else {
1753 tg3_writephy(tp, MII_TG3_CTRL, 0);
1754 }
1755 } else {
1756 /* Asking for a specific link mode. */
1757 if (tp->link_config.speed == SPEED_1000) {
1758 new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1759 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1760
1761 if (tp->link_config.duplex == DUPLEX_FULL)
1762 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
1763 else
1764 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
1765 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1766 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
1767 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1768 MII_TG3_CTRL_ENABLE_AS_MASTER);
1769 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1770 } else {
1771 tg3_writephy(tp, MII_TG3_CTRL, 0);
1772
1773 new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1774 if (tp->link_config.speed == SPEED_100) {
1775 if (tp->link_config.duplex == DUPLEX_FULL)
1776 new_adv |= ADVERTISE_100FULL;
1777 else
1778 new_adv |= ADVERTISE_100HALF;
1779 } else {
1780 if (tp->link_config.duplex == DUPLEX_FULL)
1781 new_adv |= ADVERTISE_10FULL;
1782 else
1783 new_adv |= ADVERTISE_10HALF;
1784 }
1785 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1786 }
1787 }
1788
1789 if (tp->link_config.autoneg == AUTONEG_DISABLE &&
1790 tp->link_config.speed != SPEED_INVALID) {
1791 u32 bmcr, orig_bmcr;
1792
1793 tp->link_config.active_speed = tp->link_config.speed;
1794 tp->link_config.active_duplex = tp->link_config.duplex;
1795
1796 bmcr = 0;
1797 switch (tp->link_config.speed) {
1798 default:
1799 case SPEED_10:
1800 break;
1801
1802 case SPEED_100:
1803 bmcr |= BMCR_SPEED100;
1804 break;
1805
1806 case SPEED_1000:
1807 bmcr |= TG3_BMCR_SPEED1000;
1808 break;
1809 };
1810
1811 if (tp->link_config.duplex == DUPLEX_FULL)
1812 bmcr |= BMCR_FULLDPLX;
1813
1814 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
1815 (bmcr != orig_bmcr)) {
1816 tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
1817 for (i = 0; i < 1500; i++) {
1818 u32 tmp;
1819
1820 udelay(10);
1821 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
1822 tg3_readphy(tp, MII_BMSR, &tmp))
1823 continue;
1824 if (!(tmp & BMSR_LSTATUS)) {
1825 udelay(40);
1826 break;
1827 }
1828 }
1829 tg3_writephy(tp, MII_BMCR, bmcr);
1830 udelay(40);
1831 }
1832 } else {
1833 tg3_writephy(tp, MII_BMCR,
1834 BMCR_ANENABLE | BMCR_ANRESTART);
1835 }
1836 }
1837
1838 static int tg3_init_5401phy_dsp(struct tg3 *tp)
1839 {
1840 int err;
1841
1842 /* Turn off tap power management. */
1843 /* Set Extended packet length bit */
1844 err = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1845
1846 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
1847 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
1848
1849 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
1850 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
1851
1852 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1853 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
1854
1855 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1856 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
1857
1858 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1859 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
1860
1861 udelay(40);
1862
1863 return err;
1864 }
1865
1866 static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
1867 {
1868 u32 adv_reg, all_mask = 0;
1869
1870 if (mask & ADVERTISED_10baseT_Half)
1871 all_mask |= ADVERTISE_10HALF;
1872 if (mask & ADVERTISED_10baseT_Full)
1873 all_mask |= ADVERTISE_10FULL;
1874 if (mask & ADVERTISED_100baseT_Half)
1875 all_mask |= ADVERTISE_100HALF;
1876 if (mask & ADVERTISED_100baseT_Full)
1877 all_mask |= ADVERTISE_100FULL;
1878
1879 if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
1880 return 0;
1881
1882 if ((adv_reg & all_mask) != all_mask)
1883 return 0;
1884 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1885 u32 tg3_ctrl;
1886
1887 all_mask = 0;
1888 if (mask & ADVERTISED_1000baseT_Half)
1889 all_mask |= ADVERTISE_1000HALF;
1890 if (mask & ADVERTISED_1000baseT_Full)
1891 all_mask |= ADVERTISE_1000FULL;
1892
1893 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
1894 return 0;
1895
1896 if ((tg3_ctrl & all_mask) != all_mask)
1897 return 0;
1898 }
1899 return 1;
1900 }
1901
1902 static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
1903 {
1904 int current_link_up;
1905 u32 bmsr, dummy;
1906 u16 current_speed;
1907 u8 current_duplex;
1908 int i, err;
1909
1910 tw32(MAC_EVENT, 0);
1911
1912 tw32_f(MAC_STATUS,
1913 (MAC_STATUS_SYNC_CHANGED |
1914 MAC_STATUS_CFG_CHANGED |
1915 MAC_STATUS_MI_COMPLETION |
1916 MAC_STATUS_LNKSTATE_CHANGED));
1917 udelay(40);
1918
1919 tp->mi_mode = MAC_MI_MODE_BASE;
1920 tw32_f(MAC_MI_MODE, tp->mi_mode);
1921 udelay(80);
1922
1923 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
1924
1925 /* Some third-party PHYs need to be reset on link going
1926 * down.
1927 */
1928 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1929 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1930 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
1931 netif_carrier_ok(tp->dev)) {
1932 tg3_readphy(tp, MII_BMSR, &bmsr);
1933 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1934 !(bmsr & BMSR_LSTATUS))
1935 force_reset = 1;
1936 }
1937 if (force_reset)
1938 tg3_phy_reset(tp);
1939
1940 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1941 tg3_readphy(tp, MII_BMSR, &bmsr);
1942 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
1943 !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
1944 bmsr = 0;
1945
1946 if (!(bmsr & BMSR_LSTATUS)) {
1947 err = tg3_init_5401phy_dsp(tp);
1948 if (err)
1949 return err;
1950
1951 tg3_readphy(tp, MII_BMSR, &bmsr);
1952 for (i = 0; i < 1000; i++) {
1953 udelay(10);
1954 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1955 (bmsr & BMSR_LSTATUS)) {
1956 udelay(40);
1957 break;
1958 }
1959 }
1960
1961 if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
1962 !(bmsr & BMSR_LSTATUS) &&
1963 tp->link_config.active_speed == SPEED_1000) {
1964 err = tg3_phy_reset(tp);
1965 if (!err)
1966 err = tg3_init_5401phy_dsp(tp);
1967 if (err)
1968 return err;
1969 }
1970 }
1971 } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1972 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
1973 /* 5701 {A0,B0} CRC bug workaround */
1974 tg3_writephy(tp, 0x15, 0x0a75);
1975 tg3_writephy(tp, 0x1c, 0x8c68);
1976 tg3_writephy(tp, 0x1c, 0x8d68);
1977 tg3_writephy(tp, 0x1c, 0x8c68);
1978 }
1979
1980 /* Clear pending interrupts... */
1981 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1982 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1983
1984 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
1985 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
1986 else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
1987 tg3_writephy(tp, MII_TG3_IMASK, ~0);
1988
1989 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1990 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1991 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
1992 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1993 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
1994 else
1995 tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
1996 }
1997
1998 current_link_up = 0;
1999 current_speed = SPEED_INVALID;
2000 current_duplex = DUPLEX_INVALID;
2001
2002 if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
2003 u32 val;
2004
2005 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
2006 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
2007 if (!(val & (1 << 10))) {
2008 val |= (1 << 10);
2009 tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
2010 goto relink;
2011 }
2012 }
2013
2014 bmsr = 0;
2015 for (i = 0; i < 100; i++) {
2016 tg3_readphy(tp, MII_BMSR, &bmsr);
2017 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
2018 (bmsr & BMSR_LSTATUS))
2019 break;
2020 udelay(40);
2021 }
2022
2023 if (bmsr & BMSR_LSTATUS) {
2024 u32 aux_stat, bmcr;
2025
2026 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
2027 for (i = 0; i < 2000; i++) {
2028 udelay(10);
2029 if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
2030 aux_stat)
2031 break;
2032 }
2033
2034 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
2035 &current_speed,
2036 &current_duplex);
2037
2038 bmcr = 0;
2039 for (i = 0; i < 200; i++) {
2040 tg3_readphy(tp, MII_BMCR, &bmcr);
2041 if (tg3_readphy(tp, MII_BMCR, &bmcr))
2042 continue;
2043 if (bmcr && bmcr != 0x7fff)
2044 break;
2045 udelay(10);
2046 }
2047
2048 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2049 if (bmcr & BMCR_ANENABLE) {
2050 current_link_up = 1;
2051
2052 /* Force autoneg restart if we are exiting
2053 * low power mode.
2054 */
2055 if (!tg3_copper_is_advertising_all(tp,
2056 tp->link_config.advertising))
2057 current_link_up = 0;
2058 } else {
2059 current_link_up = 0;
2060 }
2061 } else {
2062 if (!(bmcr & BMCR_ANENABLE) &&
2063 tp->link_config.speed == current_speed &&
2064 tp->link_config.duplex == current_duplex) {
2065 current_link_up = 1;
2066 } else {
2067 current_link_up = 0;
2068 }
2069 }
2070
2071 tp->link_config.active_speed = current_speed;
2072 tp->link_config.active_duplex = current_duplex;
2073 }
2074
2075 if (current_link_up == 1 &&
2076 (tp->link_config.active_duplex == DUPLEX_FULL) &&
2077 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
2078 u32 local_adv, remote_adv;
2079
2080 if (tg3_readphy(tp, MII_ADVERTISE, &local_adv))
2081 local_adv = 0;
2082 local_adv &= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
2083
2084 if (tg3_readphy(tp, MII_LPA, &remote_adv))
2085 remote_adv = 0;
2086
2087 remote_adv &= (LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
2088
2089 /* If we are not advertising full pause capability,
2090 * something is wrong. Bring the link down and reconfigure.
2091 */
2092 if (local_adv != ADVERTISE_PAUSE_CAP) {
2093 current_link_up = 0;
2094 } else {
2095 tg3_setup_flow_control(tp, local_adv, remote_adv);
2096 }
2097 }
2098 relink:
2099 if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
2100 u32 tmp;
2101
2102 tg3_phy_copper_begin(tp);
2103
2104 tg3_readphy(tp, MII_BMSR, &tmp);
2105 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
2106 (tmp & BMSR_LSTATUS))
2107 current_link_up = 1;
2108 }
2109
2110 tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
2111 if (current_link_up == 1) {
2112 if (tp->link_config.active_speed == SPEED_100 ||
2113 tp->link_config.active_speed == SPEED_10)
2114 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
2115 else
2116 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2117 } else
2118 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2119
2120 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
2121 if (tp->link_config.active_duplex == DUPLEX_HALF)
2122 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
2123
2124 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
2125 if (current_link_up == 1 &&
2126 tg3_5700_link_polarity(tp, tp->link_config.active_speed))
2127 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
2128 else
2129 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
2130 }
2131
2132 /* ??? Without this setting Netgear GA302T PHY does not
2133 * ??? send/receive packets...
2134 */
2135 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
2136 tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
2137 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
2138 tw32_f(MAC_MI_MODE, tp->mi_mode);
2139 udelay(80);
2140 }
2141
2142 tw32_f(MAC_MODE, tp->mac_mode);
2143 udelay(40);
2144
2145 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
2146 /* Polled via timer. */
2147 tw32_f(MAC_EVENT, 0);
2148 } else {
2149 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2150 }
2151 udelay(40);
2152
2153 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
2154 current_link_up == 1 &&
2155 tp->link_config.active_speed == SPEED_1000 &&
2156 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
2157 (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
2158 udelay(120);
2159 tw32_f(MAC_STATUS,
2160 (MAC_STATUS_SYNC_CHANGED |
2161 MAC_STATUS_CFG_CHANGED));
2162 udelay(40);
2163 tg3_write_mem(tp,
2164 NIC_SRAM_FIRMWARE_MBOX,
2165 NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
2166 }
2167
2168 if (current_link_up != netif_carrier_ok(tp->dev)) {
2169 if (current_link_up)
2170 netif_carrier_on(tp->dev);
2171 else
2172 netif_carrier_off(tp->dev);
2173 tg3_link_report(tp);
2174 }
2175
2176 return 0;
2177 }
2178
2179 struct tg3_fiber_aneginfo {
2180 int state;
2181 #define ANEG_STATE_UNKNOWN 0
2182 #define ANEG_STATE_AN_ENABLE 1
2183 #define ANEG_STATE_RESTART_INIT 2
2184 #define ANEG_STATE_RESTART 3
2185 #define ANEG_STATE_DISABLE_LINK_OK 4
2186 #define ANEG_STATE_ABILITY_DETECT_INIT 5
2187 #define ANEG_STATE_ABILITY_DETECT 6
2188 #define ANEG_STATE_ACK_DETECT_INIT 7
2189 #define ANEG_STATE_ACK_DETECT 8
2190 #define ANEG_STATE_COMPLETE_ACK_INIT 9
2191 #define ANEG_STATE_COMPLETE_ACK 10
2192 #define ANEG_STATE_IDLE_DETECT_INIT 11
2193 #define ANEG_STATE_IDLE_DETECT 12
2194 #define ANEG_STATE_LINK_OK 13
2195 #define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
2196 #define ANEG_STATE_NEXT_PAGE_WAIT 15
2197
2198 u32 flags;
2199 #define MR_AN_ENABLE 0x00000001
2200 #define MR_RESTART_AN 0x00000002
2201 #define MR_AN_COMPLETE 0x00000004
2202 #define MR_PAGE_RX 0x00000008
2203 #define MR_NP_LOADED 0x00000010
2204 #define MR_TOGGLE_TX 0x00000020
2205 #define MR_LP_ADV_FULL_DUPLEX 0x00000040
2206 #define MR_LP_ADV_HALF_DUPLEX 0x00000080
2207 #define MR_LP_ADV_SYM_PAUSE 0x00000100
2208 #define MR_LP_ADV_ASYM_PAUSE 0x00000200
2209 #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
2210 #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
2211 #define MR_LP_ADV_NEXT_PAGE 0x00001000
2212 #define MR_TOGGLE_RX 0x00002000
2213 #define MR_NP_RX 0x00004000
2214
2215 #define MR_LINK_OK 0x80000000
2216
2217 unsigned long link_time, cur_time;
2218
2219 u32 ability_match_cfg;
2220 int ability_match_count;
2221
2222 char ability_match, idle_match, ack_match;
2223
2224 u32 txconfig, rxconfig;
2225 #define ANEG_CFG_NP 0x00000080
2226 #define ANEG_CFG_ACK 0x00000040
2227 #define ANEG_CFG_RF2 0x00000020
2228 #define ANEG_CFG_RF1 0x00000010
2229 #define ANEG_CFG_PS2 0x00000001
2230 #define ANEG_CFG_PS1 0x00008000
2231 #define ANEG_CFG_HD 0x00004000
2232 #define ANEG_CFG_FD 0x00002000
2233 #define ANEG_CFG_INVAL 0x00001f06
2234
2235 };
2236 #define ANEG_OK 0
2237 #define ANEG_DONE 1
2238 #define ANEG_TIMER_ENAB 2
2239 #define ANEG_FAILED -1
2240
2241 #define ANEG_STATE_SETTLE_TIME 10000
2242
2243 static int tg3_fiber_aneg_smachine(struct tg3 *tp,
2244 struct tg3_fiber_aneginfo *ap)
2245 {
2246 unsigned long delta;
2247 u32 rx_cfg_reg;
2248 int ret;
2249
2250 if (ap->state == ANEG_STATE_UNKNOWN) {
2251 ap->rxconfig = 0;
2252 ap->link_time = 0;
2253 ap->cur_time = 0;
2254 ap->ability_match_cfg = 0;
2255 ap->ability_match_count = 0;
2256 ap->ability_match = 0;
2257 ap->idle_match = 0;
2258 ap->ack_match = 0;
2259 }
2260 ap->cur_time++;
2261
2262 if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
2263 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
2264
2265 if (rx_cfg_reg != ap->ability_match_cfg) {
2266 ap->ability_match_cfg = rx_cfg_reg;
2267 ap->ability_match = 0;
2268 ap->ability_match_count = 0;
2269 } else {
2270 if (++ap->ability_match_count > 1) {
2271 ap->ability_match = 1;
2272 ap->ability_match_cfg = rx_cfg_reg;
2273 }
2274 }
2275 if (rx_cfg_reg & ANEG_CFG_ACK)
2276 ap->ack_match = 1;
2277 else
2278 ap->ack_match = 0;
2279
2280 ap->idle_match = 0;
2281 } else {
2282 ap->idle_match = 1;
2283 ap->ability_match_cfg = 0;
2284 ap->ability_match_count = 0;
2285 ap->ability_match = 0;
2286 ap->ack_match = 0;
2287
2288 rx_cfg_reg = 0;
2289 }
2290
2291 ap->rxconfig = rx_cfg_reg;
2292 ret = ANEG_OK;
2293
2294 switch(ap->state) {
2295 case ANEG_STATE_UNKNOWN:
2296 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
2297 ap->state = ANEG_STATE_AN_ENABLE;
2298
2299 /* fallthru */
2300 case ANEG_STATE_AN_ENABLE:
2301 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
2302 if (ap->flags & MR_AN_ENABLE) {
2303 ap->link_time = 0;
2304 ap->cur_time = 0;
2305 ap->ability_match_cfg = 0;
2306 ap->ability_match_count = 0;
2307 ap->ability_match = 0;
2308 ap->idle_match = 0;
2309 ap->ack_match = 0;
2310
2311 ap->state = ANEG_STATE_RESTART_INIT;
2312 } else {
2313 ap->state = ANEG_STATE_DISABLE_LINK_OK;
2314 }
2315 break;
2316
2317 case ANEG_STATE_RESTART_INIT:
2318 ap->link_time = ap->cur_time;
2319 ap->flags &= ~(MR_NP_LOADED);
2320 ap->txconfig = 0;
2321 tw32(MAC_TX_AUTO_NEG, 0);
2322 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2323 tw32_f(MAC_MODE, tp->mac_mode);
2324 udelay(40);
2325
2326 ret = ANEG_TIMER_ENAB;
2327 ap->state = ANEG_STATE_RESTART;
2328
2329 /* fallthru */
2330 case ANEG_STATE_RESTART:
2331 delta = ap->cur_time - ap->link_time;
2332 if (delta > ANEG_STATE_SETTLE_TIME) {
2333 ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
2334 } else {
2335 ret = ANEG_TIMER_ENAB;
2336 }
2337 break;
2338
2339 case ANEG_STATE_DISABLE_LINK_OK:
2340 ret = ANEG_DONE;
2341 break;
2342
2343 case ANEG_STATE_ABILITY_DETECT_INIT:
2344 ap->flags &= ~(MR_TOGGLE_TX);
2345 ap->txconfig = (ANEG_CFG_FD | ANEG_CFG_PS1);
2346 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2347 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2348 tw32_f(MAC_MODE, tp->mac_mode);
2349 udelay(40);
2350
2351 ap->state = ANEG_STATE_ABILITY_DETECT;
2352 break;
2353
2354 case ANEG_STATE_ABILITY_DETECT:
2355 if (ap->ability_match != 0 && ap->rxconfig != 0) {
2356 ap->state = ANEG_STATE_ACK_DETECT_INIT;
2357 }
2358 break;
2359
2360 case ANEG_STATE_ACK_DETECT_INIT:
2361 ap->txconfig |= ANEG_CFG_ACK;
2362 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2363 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2364 tw32_f(MAC_MODE, tp->mac_mode);
2365 udelay(40);
2366
2367 ap->state = ANEG_STATE_ACK_DETECT;
2368
2369 /* fallthru */
2370 case ANEG_STATE_ACK_DETECT:
2371 if (ap->ack_match != 0) {
2372 if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
2373 (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
2374 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
2375 } else {
2376 ap->state = ANEG_STATE_AN_ENABLE;
2377 }
2378 } else if (ap->ability_match != 0 &&
2379 ap->rxconfig == 0) {
2380 ap->state = ANEG_STATE_AN_ENABLE;
2381 }
2382 break;
2383
2384 case ANEG_STATE_COMPLETE_ACK_INIT:
2385 if (ap->rxconfig & ANEG_CFG_INVAL) {
2386 ret = ANEG_FAILED;
2387 break;
2388 }
2389 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
2390 MR_LP_ADV_HALF_DUPLEX |
2391 MR_LP_ADV_SYM_PAUSE |
2392 MR_LP_ADV_ASYM_PAUSE |
2393 MR_LP_ADV_REMOTE_FAULT1 |
2394 MR_LP_ADV_REMOTE_FAULT2 |
2395 MR_LP_ADV_NEXT_PAGE |
2396 MR_TOGGLE_RX |
2397 MR_NP_RX);
2398 if (ap->rxconfig & ANEG_CFG_FD)
2399 ap->flags |= MR_LP_ADV_FULL_DUPLEX;
2400 if (ap->rxconfig & ANEG_CFG_HD)
2401 ap->flags |= MR_LP_ADV_HALF_DUPLEX;
2402 if (ap->rxconfig & ANEG_CFG_PS1)
2403 ap->flags |= MR_LP_ADV_SYM_PAUSE;
2404 if (ap->rxconfig & ANEG_CFG_PS2)
2405 ap->flags |= MR_LP_ADV_ASYM_PAUSE;
2406 if (ap->rxconfig & ANEG_CFG_RF1)
2407 ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
2408 if (ap->rxconfig & ANEG_CFG_RF2)
2409 ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
2410 if (ap->rxconfig & ANEG_CFG_NP)
2411 ap->flags |= MR_LP_ADV_NEXT_PAGE;
2412
2413 ap->link_time = ap->cur_time;
2414
2415 ap->flags ^= (MR_TOGGLE_TX);
2416 if (ap->rxconfig & 0x0008)
2417 ap->flags |= MR_TOGGLE_RX;
2418 if (ap->rxconfig & ANEG_CFG_NP)
2419 ap->flags |= MR_NP_RX;
2420 ap->flags |= MR_PAGE_RX;
2421
2422 ap->state = ANEG_STATE_COMPLETE_ACK;
2423 ret = ANEG_TIMER_ENAB;
2424 break;
2425
2426 case ANEG_STATE_COMPLETE_ACK:
2427 if (ap->ability_match != 0 &&
2428 ap->rxconfig == 0) {
2429 ap->state = ANEG_STATE_AN_ENABLE;
2430 break;
2431 }
2432 delta = ap->cur_time - ap->link_time;
2433 if (delta > ANEG_STATE_SETTLE_TIME) {
2434 if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
2435 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2436 } else {
2437 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
2438 !(ap->flags & MR_NP_RX)) {
2439 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2440 } else {
2441 ret = ANEG_FAILED;
2442 }
2443 }
2444 }
2445 break;
2446
2447 case ANEG_STATE_IDLE_DETECT_INIT:
2448 ap->link_time = ap->cur_time;
2449 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2450 tw32_f(MAC_MODE, tp->mac_mode);
2451 udelay(40);
2452
2453 ap->state = ANEG_STATE_IDLE_DETECT;
2454 ret = ANEG_TIMER_ENAB;
2455 break;
2456
2457 case ANEG_STATE_IDLE_DETECT:
2458 if (ap->ability_match != 0 &&
2459 ap->rxconfig == 0) {
2460 ap->state = ANEG_STATE_AN_ENABLE;
2461 break;
2462 }
2463 delta = ap->cur_time - ap->link_time;
2464 if (delta > ANEG_STATE_SETTLE_TIME) {
2465 /* XXX another gem from the Broadcom driver :( */
2466 ap->state = ANEG_STATE_LINK_OK;
2467 }
2468 break;
2469
2470 case ANEG_STATE_LINK_OK:
2471 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
2472 ret = ANEG_DONE;
2473 break;
2474
2475 case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
2476 /* ??? unimplemented */
2477 break;
2478
2479 case ANEG_STATE_NEXT_PAGE_WAIT:
2480 /* ??? unimplemented */
2481 break;
2482
2483 default:
2484 ret = ANEG_FAILED;
2485 break;
2486 };
2487
2488 return ret;
2489 }
2490
2491 static int fiber_autoneg(struct tg3 *tp, u32 *flags)
2492 {
2493 int res = 0;
2494 struct tg3_fiber_aneginfo aninfo;
2495 int status = ANEG_FAILED;
2496 unsigned int tick;
2497 u32 tmp;
2498
2499 tw32_f(MAC_TX_AUTO_NEG, 0);
2500
2501 tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
2502 tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
2503 udelay(40);
2504
2505 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
2506 udelay(40);
2507
2508 memset(&aninfo, 0, sizeof(aninfo));
2509 aninfo.flags |= MR_AN_ENABLE;
2510 aninfo.state = ANEG_STATE_UNKNOWN;
2511 aninfo.cur_time = 0;
2512 tick = 0;
2513 while (++tick < 195000) {
2514 status = tg3_fiber_aneg_smachine(tp, &aninfo);
2515 if (status == ANEG_DONE || status == ANEG_FAILED)
2516 break;
2517
2518 udelay(1);
2519 }
2520
2521 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2522 tw32_f(MAC_MODE, tp->mac_mode);
2523 udelay(40);
2524
2525 *flags = aninfo.flags;
2526
2527 if (status == ANEG_DONE &&
2528 (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
2529 MR_LP_ADV_FULL_DUPLEX)))
2530 res = 1;
2531
2532 return res;
2533 }
2534
2535 static void tg3_init_bcm8002(struct tg3 *tp)
2536 {
2537 u32 mac_status = tr32(MAC_STATUS);
2538 int i;
2539
2540 /* Reset when initting first time or we have a link. */
2541 if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
2542 !(mac_status & MAC_STATUS_PCS_SYNCED))
2543 return;
2544
2545 /* Set PLL lock range. */
2546 tg3_writephy(tp, 0x16, 0x8007);
2547
2548 /* SW reset */
2549 tg3_writephy(tp, MII_BMCR, BMCR_RESET);
2550
2551 /* Wait for reset to complete. */
2552 /* XXX schedule_timeout() ... */
2553 for (i = 0; i < 500; i++)
2554 udelay(10);
2555
2556 /* Config mode; select PMA/Ch 1 regs. */
2557 tg3_writephy(tp, 0x10, 0x8411);
2558
2559 /* Enable auto-lock and comdet, select txclk for tx. */
2560 tg3_writephy(tp, 0x11, 0x0a10);
2561
2562 tg3_writephy(tp, 0x18, 0x00a0);
2563 tg3_writephy(tp, 0x16, 0x41ff);
2564
2565 /* Assert and deassert POR. */
2566 tg3_writephy(tp, 0x13, 0x0400);
2567 udelay(40);
2568 tg3_writephy(tp, 0x13, 0x0000);
2569
2570 tg3_writephy(tp, 0x11, 0x0a50);
2571 udelay(40);
2572 tg3_writephy(tp, 0x11, 0x0a10);
2573
2574 /* Wait for signal to stabilize */
2575 /* XXX schedule_timeout() ... */
2576 for (i = 0; i < 15000; i++)
2577 udelay(10);
2578
2579 /* Deselect the channel register so we can read the PHYID
2580 * later.
2581 */
2582 tg3_writephy(tp, 0x10, 0x8011);
2583 }
2584
2585 static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
2586 {
2587 u32 sg_dig_ctrl, sg_dig_status;
2588 u32 serdes_cfg, expected_sg_dig_ctrl;
2589 int workaround, port_a;
2590 int current_link_up;
2591
2592 serdes_cfg = 0;
2593 expected_sg_dig_ctrl = 0;
2594 workaround = 0;
2595 port_a = 1;
2596 current_link_up = 0;
2597
2598 if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
2599 tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
2600 workaround = 1;
2601 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
2602 port_a = 0;
2603
2604 /* preserve bits 0-11,13,14 for signal pre-emphasis */
2605 /* preserve bits 20-23 for voltage regulator */
2606 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
2607 }
2608
2609 sg_dig_ctrl = tr32(SG_DIG_CTRL);
2610
2611 if (tp->link_config.autoneg != AUTONEG_ENABLE) {
2612 if (sg_dig_ctrl & (1 << 31)) {
2613 if (workaround) {
2614 u32 val = serdes_cfg;
2615
2616 if (port_a)
2617 val |= 0xc010000;
2618 else
2619 val |= 0x4010000;
2620 tw32_f(MAC_SERDES_CFG, val);
2621 }
2622 tw32_f(SG_DIG_CTRL, 0x01388400);
2623 }
2624 if (mac_status & MAC_STATUS_PCS_SYNCED) {
2625 tg3_setup_flow_control(tp, 0, 0);
2626 current_link_up = 1;
2627 }
2628 goto out;
2629 }
2630
2631 /* Want auto-negotiation. */
2632 expected_sg_dig_ctrl = 0x81388400;
2633
2634 /* Pause capability */
2635 expected_sg_dig_ctrl |= (1 << 11);
2636
2637 /* Asymettric pause */
2638 expected_sg_dig_ctrl |= (1 << 12);
2639
2640 if (sg_dig_ctrl != expected_sg_dig_ctrl) {
2641 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
2642 tp->serdes_counter &&
2643 ((mac_status & (MAC_STATUS_PCS_SYNCED |
2644 MAC_STATUS_RCVD_CFG)) ==
2645 MAC_STATUS_PCS_SYNCED)) {
2646 tp->serdes_counter--;
2647 current_link_up = 1;
2648 goto out;
2649 }
2650 restart_autoneg:
2651 if (workaround)
2652 tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
2653 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | (1 << 30));
2654 udelay(5);
2655 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
2656
2657 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2658 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2659 } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
2660 MAC_STATUS_SIGNAL_DET)) {
2661 sg_dig_status = tr32(SG_DIG_STATUS);
2662 mac_status = tr32(MAC_STATUS);
2663
2664 if ((sg_dig_status & (1 << 1)) &&
2665 (mac_status & MAC_STATUS_PCS_SYNCED)) {
2666 u32 local_adv, remote_adv;
2667
2668 local_adv = ADVERTISE_PAUSE_CAP;
2669 remote_adv = 0;
2670 if (sg_dig_status & (1 << 19))
2671 remote_adv |= LPA_PAUSE_CAP;
2672 if (sg_dig_status & (1 << 20))
2673 remote_adv |= LPA_PAUSE_ASYM;
2674
2675 tg3_setup_flow_control(tp, local_adv, remote_adv);
2676 current_link_up = 1;
2677 tp->serdes_counter = 0;
2678 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2679 } else if (!(sg_dig_status & (1 << 1))) {
2680 if (tp->serdes_counter)
2681 tp->serdes_counter--;
2682 else {
2683 if (workaround) {
2684 u32 val = serdes_cfg;
2685
2686 if (port_a)
2687 val |= 0xc010000;
2688 else
2689 val |= 0x4010000;
2690
2691 tw32_f(MAC_SERDES_CFG, val);
2692 }
2693
2694 tw32_f(SG_DIG_CTRL, 0x01388400);
2695 udelay(40);
2696
2697 /* Link parallel detection - link is up */
2698 /* only if we have PCS_SYNC and not */
2699 /* receiving config code words */
2700 mac_status = tr32(MAC_STATUS);
2701 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
2702 !(mac_status & MAC_STATUS_RCVD_CFG)) {
2703 tg3_setup_flow_control(tp, 0, 0);
2704 current_link_up = 1;
2705 tp->tg3_flags2 |=
2706 TG3_FLG2_PARALLEL_DETECT;
2707 tp->serdes_counter =
2708 SERDES_PARALLEL_DET_TIMEOUT;
2709 } else
2710 goto restart_autoneg;
2711 }
2712 }
2713 } else {
2714 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2715 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2716 }
2717
2718 out:
2719 return current_link_up;
2720 }
2721
2722 static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
2723 {
2724 int current_link_up = 0;
2725
2726 if (!(mac_status & MAC_STATUS_PCS_SYNCED))
2727 goto out;
2728
2729 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2730 u32 flags;
2731 int i;
2732
2733 if (fiber_autoneg(tp, &flags)) {
2734 u32 local_adv, remote_adv;
2735
2736 local_adv = ADVERTISE_PAUSE_CAP;
2737 remote_adv = 0;
2738 if (flags & MR_LP_ADV_SYM_PAUSE)
2739 remote_adv |= LPA_PAUSE_CAP;
2740 if (flags & MR_LP_ADV_ASYM_PAUSE)
2741 remote_adv |= LPA_PAUSE_ASYM;
2742
2743 tg3_setup_flow_control(tp, local_adv, remote_adv);
2744
2745 current_link_up = 1;
2746 }
2747 for (i = 0; i < 30; i++) {
2748 udelay(20);
2749 tw32_f(MAC_STATUS,
2750 (MAC_STATUS_SYNC_CHANGED |
2751 MAC_STATUS_CFG_CHANGED));
2752 udelay(40);
2753 if ((tr32(MAC_STATUS) &
2754 (MAC_STATUS_SYNC_CHANGED |
2755 MAC_STATUS_CFG_CHANGED)) == 0)
2756 break;
2757 }
2758
2759 mac_status = tr32(MAC_STATUS);
2760 if (current_link_up == 0 &&
2761 (mac_status & MAC_STATUS_PCS_SYNCED) &&
2762 !(mac_status & MAC_STATUS_RCVD_CFG))
2763 current_link_up = 1;
2764 } else {
2765 /* Forcing 1000FD link up. */
2766 current_link_up = 1;
2767
2768 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
2769 udelay(40);
2770
2771 tw32_f(MAC_MODE, tp->mac_mode);
2772 udelay(40);
2773 }
2774
2775 out:
2776 return current_link_up;
2777 }
2778
2779 static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
2780 {
2781 u32 orig_pause_cfg;
2782 u16 orig_active_speed;
2783 u8 orig_active_duplex;
2784 u32 mac_status;
2785 int current_link_up;
2786 int i;
2787
2788 orig_pause_cfg =
2789 (tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2790 TG3_FLAG_TX_PAUSE));
2791 orig_active_speed = tp->link_config.active_speed;
2792 orig_active_duplex = tp->link_config.active_duplex;
2793
2794 if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
2795 netif_carrier_ok(tp->dev) &&
2796 (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
2797 mac_status = tr32(MAC_STATUS);
2798 mac_status &= (MAC_STATUS_PCS_SYNCED |
2799 MAC_STATUS_SIGNAL_DET |
2800 MAC_STATUS_CFG_CHANGED |
2801 MAC_STATUS_RCVD_CFG);
2802 if (mac_status == (MAC_STATUS_PCS_SYNCED |
2803 MAC_STATUS_SIGNAL_DET)) {
2804 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2805 MAC_STATUS_CFG_CHANGED));
2806 return 0;
2807 }
2808 }
2809
2810 tw32_f(MAC_TX_AUTO_NEG, 0);
2811
2812 tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
2813 tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
2814 tw32_f(MAC_MODE, tp->mac_mode);
2815 udelay(40);
2816
2817 if (tp->phy_id == PHY_ID_BCM8002)
2818 tg3_init_bcm8002(tp);
2819
2820 /* Enable link change event even when serdes polling. */
2821 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2822 udelay(40);
2823
2824 current_link_up = 0;
2825 mac_status = tr32(MAC_STATUS);
2826
2827 if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
2828 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
2829 else
2830 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
2831
2832 tp->hw_status->status =
2833 (SD_STATUS_UPDATED |
2834 (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
2835
2836 for (i = 0; i < 100; i++) {
2837 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2838 MAC_STATUS_CFG_CHANGED));
2839 udelay(5);
2840 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
2841 MAC_STATUS_CFG_CHANGED |
2842 MAC_STATUS_LNKSTATE_CHANGED)) == 0)
2843 break;
2844 }
2845
2846 mac_status = tr32(MAC_STATUS);
2847 if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
2848 current_link_up = 0;
2849 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
2850 tp->serdes_counter == 0) {
2851 tw32_f(MAC_MODE, (tp->mac_mode |
2852 MAC_MODE_SEND_CONFIGS));
2853 udelay(1);
2854 tw32_f(MAC_MODE, tp->mac_mode);
2855 }
2856 }
2857
2858 if (current_link_up == 1) {
2859 tp->link_config.active_speed = SPEED_1000;
2860 tp->link_config.active_duplex = DUPLEX_FULL;
2861 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2862 LED_CTRL_LNKLED_OVERRIDE |
2863 LED_CTRL_1000MBPS_ON));
2864 } else {
2865 tp->link_config.active_speed = SPEED_INVALID;
2866 tp->link_config.active_duplex = DUPLEX_INVALID;
2867 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2868 LED_CTRL_LNKLED_OVERRIDE |
2869 LED_CTRL_TRAFFIC_OVERRIDE));
2870 }
2871
2872 if (current_link_up != netif_carrier_ok(tp->dev)) {
2873 if (current_link_up)
2874 netif_carrier_on(tp->dev);
2875 else
2876 netif_carrier_off(tp->dev);
2877 tg3_link_report(tp);
2878 } else {
2879 u32 now_pause_cfg =
2880 tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2881 TG3_FLAG_TX_PAUSE);
2882 if (orig_pause_cfg != now_pause_cfg ||
2883 orig_active_speed != tp->link_config.active_speed ||
2884 orig_active_duplex != tp->link_config.active_duplex)
2885 tg3_link_report(tp);
2886 }
2887
2888 return 0;
2889 }
2890
2891 static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
2892 {
2893 int current_link_up, err = 0;
2894 u32 bmsr, bmcr;
2895 u16 current_speed;
2896 u8 current_duplex;
2897
2898 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2899 tw32_f(MAC_MODE, tp->mac_mode);
2900 udelay(40);
2901
2902 tw32(MAC_EVENT, 0);
2903
2904 tw32_f(MAC_STATUS,
2905 (MAC_STATUS_SYNC_CHANGED |
2906 MAC_STATUS_CFG_CHANGED |
2907 MAC_STATUS_MI_COMPLETION |
2908 MAC_STATUS_LNKSTATE_CHANGED));
2909 udelay(40);
2910
2911 if (force_reset)
2912 tg3_phy_reset(tp);
2913
2914 current_link_up = 0;
2915 current_speed = SPEED_INVALID;
2916 current_duplex = DUPLEX_INVALID;
2917
2918 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2919 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2920 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
2921 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2922 bmsr |= BMSR_LSTATUS;
2923 else
2924 bmsr &= ~BMSR_LSTATUS;
2925 }
2926
2927 err |= tg3_readphy(tp, MII_BMCR, &bmcr);
2928
2929 if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
2930 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2931 /* do nothing, just check for link up at the end */
2932 } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2933 u32 adv, new_adv;
2934
2935 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2936 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
2937 ADVERTISE_1000XPAUSE |
2938 ADVERTISE_1000XPSE_ASYM |
2939 ADVERTISE_SLCT);
2940
2941 /* Always advertise symmetric PAUSE just like copper */
2942 new_adv |= ADVERTISE_1000XPAUSE;
2943
2944 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2945 new_adv |= ADVERTISE_1000XHALF;
2946 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2947 new_adv |= ADVERTISE_1000XFULL;
2948
2949 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
2950 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2951 bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
2952 tg3_writephy(tp, MII_BMCR, bmcr);
2953
2954 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2955 tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
2956 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2957
2958 return err;
2959 }
2960 } else {
2961 u32 new_bmcr;
2962
2963 bmcr &= ~BMCR_SPEED1000;
2964 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
2965
2966 if (tp->link_config.duplex == DUPLEX_FULL)
2967 new_bmcr |= BMCR_FULLDPLX;
2968
2969 if (new_bmcr != bmcr) {
2970 /* BMCR_SPEED1000 is a reserved bit that needs
2971 * to be set on write.
2972 */
2973 new_bmcr |= BMCR_SPEED1000;
2974
2975 /* Force a linkdown */
2976 if (netif_carrier_ok(tp->dev)) {
2977 u32 adv;
2978
2979 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2980 adv &= ~(ADVERTISE_1000XFULL |
2981 ADVERTISE_1000XHALF |
2982 ADVERTISE_SLCT);
2983 tg3_writephy(tp, MII_ADVERTISE, adv);
2984 tg3_writephy(tp, MII_BMCR, bmcr |
2985 BMCR_ANRESTART |
2986 BMCR_ANENABLE);
2987 udelay(10);
2988 netif_carrier_off(tp->dev);
2989 }
2990 tg3_writephy(tp, MII_BMCR, new_bmcr);
2991 bmcr = new_bmcr;
2992 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2993 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2994 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2995 ASIC_REV_5714) {
2996 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2997 bmsr |= BMSR_LSTATUS;
2998 else
2999 bmsr &= ~BMSR_LSTATUS;
3000 }
3001 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3002 }
3003 }
3004
3005 if (bmsr & BMSR_LSTATUS) {
3006 current_speed = SPEED_1000;
3007 current_link_up = 1;
3008 if (bmcr & BMCR_FULLDPLX)
3009 current_duplex = DUPLEX_FULL;
3010 else
3011 current_duplex = DUPLEX_HALF;
3012
3013 if (bmcr & BMCR_ANENABLE) {
3014 u32 local_adv, remote_adv, common;
3015
3016 err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
3017 err |= tg3_readphy(tp, MII_LPA, &remote_adv);
3018 common = local_adv & remote_adv;
3019 if (common & (ADVERTISE_1000XHALF |
3020 ADVERTISE_1000XFULL)) {
3021 if (common & ADVERTISE_1000XFULL)
3022 current_duplex = DUPLEX_FULL;
3023 else
3024 current_duplex = DUPLEX_HALF;
3025
3026 tg3_setup_flow_control(tp, local_adv,
3027 remote_adv);
3028 }
3029 else
3030 current_link_up = 0;
3031 }
3032 }
3033
3034 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
3035 if (tp->link_config.active_duplex == DUPLEX_HALF)
3036 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
3037
3038 tw32_f(MAC_MODE, tp->mac_mode);
3039 udelay(40);
3040
3041 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3042
3043 tp->link_config.active_speed = current_speed;
3044 tp->link_config.active_duplex = current_duplex;
3045
3046 if (current_link_up != netif_carrier_ok(tp->dev)) {
3047 if (current_link_up)
3048 netif_carrier_on(tp->dev);
3049 else {
3050 netif_carrier_off(tp->dev);
3051 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3052 }
3053 tg3_link_report(tp);
3054 }
3055 return err;
3056 }
3057
3058 static void tg3_serdes_parallel_detect(struct tg3 *tp)
3059 {
3060 if (tp->serdes_counter) {
3061 /* Give autoneg time to complete. */
3062 tp->serdes_counter--;
3063 return;
3064 }
3065 if (!netif_carrier_ok(tp->dev) &&
3066 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
3067 u32 bmcr;
3068
3069 tg3_readphy(tp, MII_BMCR, &bmcr);
3070 if (bmcr & BMCR_ANENABLE) {
3071 u32 phy1, phy2;
3072
3073 /* Select shadow register 0x1f */
3074 tg3_writephy(tp, 0x1c, 0x7c00);
3075 tg3_readphy(tp, 0x1c, &phy1);
3076
3077 /* Select expansion interrupt status register */
3078 tg3_writephy(tp, 0x17, 0x0f01);
3079 tg3_readphy(tp, 0x15, &phy2);
3080 tg3_readphy(tp, 0x15, &phy2);
3081
3082 if ((phy1 & 0x10) && !(phy2 & 0x20)) {
3083 /* We have signal detect and not receiving
3084 * config code words, link is up by parallel
3085 * detection.
3086 */
3087
3088 bmcr &= ~BMCR_ANENABLE;
3089 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
3090 tg3_writephy(tp, MII_BMCR, bmcr);
3091 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
3092 }
3093 }
3094 }
3095 else if (netif_carrier_ok(tp->dev) &&
3096 (tp->link_config.autoneg == AUTONEG_ENABLE) &&
3097 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
3098 u32 phy2;
3099
3100 /* Select expansion interrupt status register */
3101 tg3_writephy(tp, 0x17, 0x0f01);
3102 tg3_readphy(tp, 0x15, &phy2);
3103 if (phy2 & 0x20) {
3104 u32 bmcr;
3105
3106 /* Config code words received, turn on autoneg. */
3107 tg3_readphy(tp, MII_BMCR, &bmcr);
3108 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
3109
3110 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3111
3112 }
3113 }
3114 }
3115
3116 static int tg3_setup_phy(struct tg3 *tp, int force_reset)
3117 {
3118 int err;
3119
3120 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
3121 err = tg3_setup_fiber_phy(tp, force_reset);
3122 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
3123 err = tg3_setup_fiber_mii_phy(tp, force_reset);
3124 } else {
3125 err = tg3_setup_copper_phy(tp, force_reset);
3126 }
3127
3128 if (tp->link_config.active_speed == SPEED_1000 &&
3129 tp->link_config.active_duplex == DUPLEX_HALF)
3130 tw32(MAC_TX_LENGTHS,
3131 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
3132 (6 << TX_LENGTHS_IPG_SHIFT) |
3133 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
3134 else
3135 tw32(MAC_TX_LENGTHS,
3136 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
3137 (6 << TX_LENGTHS_IPG_SHIFT) |
3138 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
3139
3140 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
3141 if (netif_carrier_ok(tp->dev)) {
3142 tw32(HOSTCC_STAT_COAL_TICKS,
3143 tp->coal.stats_block_coalesce_usecs);
3144 } else {
3145 tw32(HOSTCC_STAT_COAL_TICKS, 0);
3146 }
3147 }
3148
3149 if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND) {
3150 u32 val = tr32(PCIE_PWR_MGMT_THRESH);
3151 if (!netif_carrier_ok(tp->dev))
3152 val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
3153 tp->pwrmgmt_thresh;
3154 else
3155 val |= PCIE_PWR_MGMT_L1_THRESH_MSK;
3156 tw32(PCIE_PWR_MGMT_THRESH, val);
3157 }
3158
3159 return err;
3160 }
3161
3162 /* This is called whenever we suspect that the system chipset is re-
3163 * ordering the sequence of MMIO to the tx send mailbox. The symptom
3164 * is bogus tx completions. We try to recover by setting the
3165 * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
3166 * in the workqueue.
3167 */
3168 static void tg3_tx_recover(struct tg3 *tp)
3169 {
3170 BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
3171 tp->write32_tx_mbox == tg3_write_indirect_mbox);
3172
3173 printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
3174 "mapped I/O cycles to the network device, attempting to "
3175 "recover. Please report the problem to the driver maintainer "
3176 "and include system chipset information.\n", tp->dev->name);
3177
3178 spin_lock(&tp->lock);
3179 tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
3180 spin_unlock(&tp->lock);
3181 }
3182
3183 static inline u32 tg3_tx_avail(struct tg3 *tp)
3184 {
3185 smp_mb();
3186 return (tp->tx_pending -
3187 ((tp->tx_prod - tp->tx_cons) & (TG3_TX_RING_SIZE - 1)));
3188 }
3189
3190 /* Tigon3 never reports partial packet sends. So we do not
3191 * need special logic to handle SKBs that have not had all
3192 * of their frags sent yet, like SunGEM does.
3193 */
3194 static void tg3_tx(struct tg3 *tp)
3195 {
3196 u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
3197 u32 sw_idx = tp->tx_cons;
3198
3199 while (sw_idx != hw_idx) {
3200 struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
3201 struct sk_buff *skb = ri->skb;
3202 int i, tx_bug = 0;
3203
3204 if (unlikely(skb == NULL)) {
3205 tg3_tx_recover(tp);
3206 return;
3207 }
3208
3209 pci_unmap_single(tp->pdev,
3210 pci_unmap_addr(ri, mapping),
3211 skb_headlen(skb),
3212 PCI_DMA_TODEVICE);
3213
3214 ri->skb = NULL;
3215
3216 sw_idx = NEXT_TX(sw_idx);
3217
3218 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
3219 ri = &tp->tx_buffers[sw_idx];
3220 if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
3221 tx_bug = 1;
3222
3223 pci_unmap_page(tp->pdev,
3224 pci_unmap_addr(ri, mapping),
3225 skb_shinfo(skb)->frags[i].size,
3226 PCI_DMA_TODEVICE);
3227
3228 sw_idx = NEXT_TX(sw_idx);
3229 }
3230
3231 dev_kfree_skb(skb);
3232
3233 if (unlikely(tx_bug)) {
3234 tg3_tx_recover(tp);
3235 return;
3236 }
3237 }
3238
3239 tp->tx_cons = sw_idx;
3240
3241 /* Need to make the tx_cons update visible to tg3_start_xmit()
3242 * before checking for netif_queue_stopped(). Without the
3243 * memory barrier, there is a small possibility that tg3_start_xmit()
3244 * will miss it and cause the queue to be stopped forever.
3245 */
3246 smp_mb();
3247
3248 if (unlikely(netif_queue_stopped(tp->dev) &&
3249 (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))) {
3250 netif_tx_lock(tp->dev);
3251 if (netif_queue_stopped(tp->dev) &&
3252 (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))
3253 netif_wake_queue(tp->dev);
3254 netif_tx_unlock(tp->dev);
3255 }
3256 }
3257
3258 /* Returns size of skb allocated or < 0 on error.
3259 *
3260 * We only need to fill in the address because the other members
3261 * of the RX descriptor are invariant, see tg3_init_rings.
3262 *
3263 * Note the purposeful assymetry of cpu vs. chip accesses. For
3264 * posting buffers we only dirty the first cache line of the RX
3265 * descriptor (containing the address). Whereas for the RX status
3266 * buffers the cpu only reads the last cacheline of the RX descriptor
3267 * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
3268 */
3269 static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
3270 int src_idx, u32 dest_idx_unmasked)
3271 {
3272 struct tg3_rx_buffer_desc *desc;
3273 struct ring_info *map, *src_map;
3274 struct sk_buff *skb;
3275 dma_addr_t mapping;
3276 int skb_size, dest_idx;
3277
3278 src_map = NULL;
3279 switch (opaque_key) {
3280 case RXD_OPAQUE_RING_STD:
3281 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3282 desc = &tp->rx_std[dest_idx];
3283 map = &tp->rx_std_buffers[dest_idx];
3284 if (src_idx >= 0)
3285 src_map = &tp->rx_std_buffers[src_idx];
3286 skb_size = tp->rx_pkt_buf_sz;
3287 break;
3288
3289 case RXD_OPAQUE_RING_JUMBO:
3290 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3291 desc = &tp->rx_jumbo[dest_idx];
3292 map = &tp->rx_jumbo_buffers[dest_idx];
3293 if (src_idx >= 0)
3294 src_map = &tp->rx_jumbo_buffers[src_idx];
3295 skb_size = RX_JUMBO_PKT_BUF_SZ;
3296 break;
3297
3298 default:
3299 return -EINVAL;
3300 };
3301
3302 /* Do not overwrite any of the map or rp information
3303 * until we are sure we can commit to a new buffer.
3304 *
3305 * Callers depend upon this behavior and assume that
3306 * we leave everything unchanged if we fail.
3307 */
3308 skb = netdev_alloc_skb(tp->dev, skb_size);
3309 if (skb == NULL)
3310 return -ENOMEM;
3311
3312 skb_reserve(skb, tp->rx_offset);
3313
3314 mapping = pci_map_single(tp->pdev, skb->data,
3315 skb_size - tp->rx_offset,
3316 PCI_DMA_FROMDEVICE);
3317
3318 map->skb = skb;
3319 pci_unmap_addr_set(map, mapping, mapping);
3320
3321 if (src_map != NULL)
3322 src_map->skb = NULL;
3323
3324 desc->addr_hi = ((u64)mapping >> 32);
3325 desc->addr_lo = ((u64)mapping & 0xffffffff);
3326
3327 return skb_size;
3328 }
3329
3330 /* We only need to move over in the address because the other
3331 * members of the RX descriptor are invariant. See notes above
3332 * tg3_alloc_rx_skb for full details.
3333 */
3334 static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
3335 int src_idx, u32 dest_idx_unmasked)
3336 {
3337 struct tg3_rx_buffer_desc *src_desc, *dest_desc;
3338 struct ring_info *src_map, *dest_map;
3339 int dest_idx;
3340
3341 switch (opaque_key) {
3342 case RXD_OPAQUE_RING_STD:
3343 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3344 dest_desc = &tp->rx_std[dest_idx];
3345 dest_map = &tp->rx_std_buffers[dest_idx];
3346 src_desc = &tp->rx_std[src_idx];
3347 src_map = &tp->rx_std_buffers[src_idx];
3348 break;
3349
3350 case RXD_OPAQUE_RING_JUMBO:
3351 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3352 dest_desc = &tp->rx_jumbo[dest_idx];
3353 dest_map = &tp->rx_jumbo_buffers[dest_idx];
3354 src_desc = &tp->rx_jumbo[src_idx];
3355 src_map = &tp->rx_jumbo_buffers[src_idx];
3356 break;
3357
3358 default:
3359 return;
3360 };
3361
3362 dest_map->skb = src_map->skb;
3363 pci_unmap_addr_set(dest_map, mapping,
3364 pci_unmap_addr(src_map, mapping));
3365 dest_desc->addr_hi = src_desc->addr_hi;
3366 dest_desc->addr_lo = src_desc->addr_lo;
3367
3368 src_map->skb = NULL;
3369 }
3370
3371 #if TG3_VLAN_TAG_USED
3372 static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
3373 {
3374 return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag);
3375 }
3376 #endif
3377
3378 /* The RX ring scheme is composed of multiple rings which post fresh
3379 * buffers to the chip, and one special ring the chip uses to report
3380 * status back to the host.
3381 *
3382 * The special ring reports the status of received packets to the
3383 * host. The chip does not write into the original descriptor the
3384 * RX buffer was obtained from. The chip simply takes the original
3385 * descriptor as provided by the host, updates the status and length
3386 * field, then writes this into the next status ring entry.
3387 *
3388 * Each ring the host uses to post buffers to the chip is described
3389 * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
3390 * it is first placed into the on-chip ram. When the packet's length
3391 * is known, it walks down the TG3_BDINFO entries to select the ring.
3392 * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
3393 * which is within the range of the new packet's length is chosen.
3394 *
3395 * The "separate ring for rx status" scheme may sound queer, but it makes
3396 * sense from a cache coherency perspective. If only the host writes
3397 * to the buffer post rings, and only the chip writes to the rx status
3398 * rings, then cache lines never move beyond shared-modified state.
3399 * If both the host and chip were to write into the same ring, cache line
3400 * eviction could occur since both entities want it in an exclusive state.
3401 */
3402 static int tg3_rx(struct tg3 *tp, int budget)
3403 {
3404 u32 work_mask, rx_std_posted = 0;
3405 u32 sw_idx = tp->rx_rcb_ptr;
3406 u16 hw_idx;
3407 int received;
3408
3409 hw_idx = tp->hw_status->idx[0].rx_producer;
3410 /*
3411 * We need to order the read of hw_idx and the read of
3412 * the opaque cookie.
3413 */
3414 rmb();
3415 work_mask = 0;
3416 received = 0;
3417 while (sw_idx != hw_idx && budget > 0) {
3418 struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
3419 unsigned int len;
3420 struct sk_buff *skb;
3421 dma_addr_t dma_addr;
3422 u32 opaque_key, desc_idx, *post_ptr;
3423
3424 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
3425 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
3426 if (opaque_key == RXD_OPAQUE_RING_STD) {
3427 dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
3428 mapping);
3429 skb = tp->rx_std_buffers[desc_idx].skb;
3430 post_ptr = &tp->rx_std_ptr;
3431 rx_std_posted++;
3432 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
3433 dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
3434 mapping);
3435 skb = tp->rx_jumbo_buffers[desc_idx].skb;
3436 post_ptr = &tp->rx_jumbo_ptr;
3437 }
3438 else {
3439 goto next_pkt_nopost;
3440 }
3441
3442 work_mask |= opaque_key;
3443
3444 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
3445 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
3446 drop_it:
3447 tg3_recycle_rx(tp, opaque_key,
3448 desc_idx, *post_ptr);
3449 drop_it_no_recycle:
3450 /* Other statistics kept track of by card. */
3451 tp->net_stats.rx_dropped++;
3452 goto next_pkt;
3453 }
3454
3455 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */
3456
3457 if (len > RX_COPY_THRESHOLD
3458 && tp->rx_offset == 2
3459 /* rx_offset != 2 iff this is a 5701 card running
3460 * in PCI-X mode [see tg3_get_invariants()] */
3461 ) {
3462 int skb_size;
3463
3464 skb_size = tg3_alloc_rx_skb(tp, opaque_key,
3465 desc_idx, *post_ptr);
3466 if (skb_size < 0)
3467 goto drop_it;
3468
3469 pci_unmap_single(tp->pdev, dma_addr,
3470 skb_size - tp->rx_offset,
3471 PCI_DMA_FROMDEVICE);
3472
3473 skb_put(skb, len);
3474 } else {
3475 struct sk_buff *copy_skb;
3476
3477 tg3_recycle_rx(tp, opaque_key,
3478 desc_idx, *post_ptr);
3479
3480 copy_skb = netdev_alloc_skb(tp->dev, len + 2);
3481 if (copy_skb == NULL)
3482 goto drop_it_no_recycle;
3483
3484 skb_reserve(copy_skb, 2);
3485 skb_put(copy_skb, len);
3486 pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3487 skb_copy_from_linear_data(skb, copy_skb->data, len);
3488 pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3489
3490 /* We'll reuse the original ring buffer. */
3491 skb = copy_skb;
3492 }
3493
3494 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
3495 (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
3496 (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
3497 >> RXD_TCPCSUM_SHIFT) == 0xffff))
3498 skb->ip_summed = CHECKSUM_UNNECESSARY;
3499 else
3500 skb->ip_summed = CHECKSUM_NONE;
3501
3502 skb->protocol = eth_type_trans(skb, tp->dev);
3503 #if TG3_VLAN_TAG_USED
3504 if (tp->vlgrp != NULL &&
3505 desc->type_flags & RXD_FLAG_VLAN) {
3506 tg3_vlan_rx(tp, skb,
3507 desc->err_vlan & RXD_VLAN_MASK);
3508 } else
3509 #endif
3510 netif_receive_skb(skb);
3511
3512 tp->dev->last_rx = jiffies;
3513 received++;
3514 budget--;
3515
3516 next_pkt:
3517 (*post_ptr)++;
3518
3519 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
3520 u32 idx = *post_ptr % TG3_RX_RING_SIZE;
3521
3522 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
3523 TG3_64BIT_REG_LOW, idx);
3524 work_mask &= ~RXD_OPAQUE_RING_STD;
3525 rx_std_posted = 0;
3526 }
3527 next_pkt_nopost:
3528 sw_idx++;
3529 sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
3530
3531 /* Refresh hw_idx to see if there is new work */
3532 if (sw_idx == hw_idx) {
3533 hw_idx = tp->hw_status->idx[0].rx_producer;
3534 rmb();
3535 }
3536 }
3537
3538 /* ACK the status ring. */
3539 tp->rx_rcb_ptr = sw_idx;
3540 tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
3541
3542 /* Refill RX ring(s). */
3543 if (work_mask & RXD_OPAQUE_RING_STD) {
3544 sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
3545 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
3546 sw_idx);
3547 }
3548 if (work_mask & RXD_OPAQUE_RING_JUMBO) {
3549 sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
3550 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
3551 sw_idx);
3552 }
3553 mmiowb();
3554
3555 return received;
3556 }
3557
3558 static int tg3_poll_work(struct tg3 *tp, int work_done, int budget)
3559 {
3560 struct tg3_hw_status *sblk = tp->hw_status;
3561
3562 /* handle link change and other phy events */
3563 if (!(tp->tg3_flags &
3564 (TG3_FLAG_USE_LINKCHG_REG |
3565 TG3_FLAG_POLL_SERDES))) {
3566 if (sblk->status & SD_STATUS_LINK_CHG) {
3567 sblk->status = SD_STATUS_UPDATED |
3568 (sblk->status & ~SD_STATUS_LINK_CHG);
3569 spin_lock(&tp->lock);
3570 tg3_setup_phy(tp, 0);
3571 spin_unlock(&tp->lock);
3572 }
3573 }
3574
3575 /* run TX completion thread */
3576 if (sblk->idx[0].tx_consumer != tp->tx_cons) {
3577 tg3_tx(tp);
3578 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
3579 return work_done;
3580 }
3581
3582 /* run RX thread, within the bounds set by NAPI.
3583 * All RX "locking" is done by ensuring outside
3584 * code synchronizes with tg3->napi.poll()
3585 */
3586 if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
3587 work_done += tg3_rx(tp, budget - work_done);
3588
3589 return work_done;
3590 }
3591
3592 static int tg3_poll(struct napi_struct *napi, int budget)
3593 {
3594 struct tg3 *tp = container_of(napi, struct tg3, napi);
3595 int work_done = 0;
3596 struct tg3_hw_status *sblk = tp->hw_status;
3597
3598 while (1) {
3599 work_done = tg3_poll_work(tp, work_done, budget);
3600
3601 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
3602 goto tx_recovery;
3603
3604 if (unlikely(work_done >= budget))
3605 break;
3606
3607 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
3608 /* tp->last_tag is used in tg3_restart_ints() below
3609 * to tell the hw how much work has been processed,
3610 * so we must read it before checking for more work.
3611 */
3612 tp->last_tag = sblk->status_tag;
3613 rmb();
3614 } else
3615 sblk->status &= ~SD_STATUS_UPDATED;
3616
3617 if (likely(!tg3_has_work(tp))) {
3618 netif_rx_complete(tp->dev, napi);
3619 tg3_restart_ints(tp);
3620 break;
3621 }
3622 }
3623
3624 return work_done;
3625
3626 tx_recovery:
3627 /* work_done is guaranteed to be less than budget. */
3628 netif_rx_complete(tp->dev, napi);
3629 schedule_work(&tp->reset_task);
3630 return work_done;
3631 }
3632
3633 static void tg3_irq_quiesce(struct tg3 *tp)
3634 {
3635 BUG_ON(tp->irq_sync);
3636
3637 tp->irq_sync = 1;
3638 smp_mb();
3639
3640 synchronize_irq(tp->pdev->irq);
3641 }
3642
3643 static inline int tg3_irq_sync(struct tg3 *tp)
3644 {
3645 return tp->irq_sync;
3646 }
3647
3648 /* Fully shutdown all tg3 driver activity elsewhere in the system.
3649 * If irq_sync is non-zero, then the IRQ handler must be synchronized
3650 * with as well. Most of the time, this is not necessary except when
3651 * shutting down the device.
3652 */
3653 static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
3654 {
3655 spin_lock_bh(&tp->lock);
3656 if (irq_sync)
3657 tg3_irq_quiesce(tp);
3658 }
3659
3660 static inline void tg3_full_unlock(struct tg3 *tp)
3661 {
3662 spin_unlock_bh(&tp->lock);
3663 }
3664
3665 /* One-shot MSI handler - Chip automatically disables interrupt
3666 * after sending MSI so driver doesn't have to do it.
3667 */
3668 static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
3669 {
3670 struct net_device *dev = dev_id;
3671 struct tg3 *tp = netdev_priv(dev);
3672
3673 prefetch(tp->hw_status);
3674 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3675
3676 if (likely(!tg3_irq_sync(tp)))
3677 netif_rx_schedule(dev, &tp->napi);
3678
3679 return IRQ_HANDLED;
3680 }
3681
3682 /* MSI ISR - No need to check for interrupt sharing and no need to
3683 * flush status block and interrupt mailbox. PCI ordering rules
3684 * guarantee that MSI will arrive after the status block.
3685 */
3686 static irqreturn_t tg3_msi(int irq, void *dev_id)
3687 {
3688 struct net_device *dev = dev_id;
3689 struct tg3 *tp = netdev_priv(dev);
3690
3691 prefetch(tp->hw_status);
3692 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3693 /*
3694 * Writing any value to intr-mbox-0 clears PCI INTA# and
3695 * chip-internal interrupt pending events.
3696 * Writing non-zero to intr-mbox-0 additional tells the
3697 * NIC to stop sending us irqs, engaging "in-intr-handler"
3698 * event coalescing.
3699 */
3700 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
3701 if (likely(!tg3_irq_sync(tp)))
3702 netif_rx_schedule(dev, &tp->napi);
3703
3704 return IRQ_RETVAL(1);
3705 }
3706
3707 static irqreturn_t tg3_interrupt(int irq, void *dev_id)
3708 {
3709 struct net_device *dev = dev_id;
3710 struct tg3 *tp = netdev_priv(dev);
3711 struct tg3_hw_status *sblk = tp->hw_status;
3712 unsigned int handled = 1;
3713
3714 /* In INTx mode, it is possible for the interrupt to arrive at
3715 * the CPU before the status block posted prior to the interrupt.
3716 * Reading the PCI State register will confirm whether the
3717 * interrupt is ours and will flush the status block.
3718 */
3719 if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
3720 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
3721 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3722 handled = 0;
3723 goto out;
3724 }
3725 }
3726
3727 /*
3728 * Writing any value to intr-mbox-0 clears PCI INTA# and
3729 * chip-internal interrupt pending events.
3730 * Writing non-zero to intr-mbox-0 additional tells the
3731 * NIC to stop sending us irqs, engaging "in-intr-handler"
3732 * event coalescing.
3733 *
3734 * Flush the mailbox to de-assert the IRQ immediately to prevent
3735 * spurious interrupts. The flush impacts performance but
3736 * excessive spurious interrupts can be worse in some cases.
3737 */
3738 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
3739 if (tg3_irq_sync(tp))
3740 goto out;
3741 sblk->status &= ~SD_STATUS_UPDATED;
3742 if (likely(tg3_has_work(tp))) {
3743 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3744 netif_rx_schedule(dev, &tp->napi);
3745 } else {
3746 /* No work, shared interrupt perhaps? re-enable
3747 * interrupts, and flush that PCI write
3748 */
3749 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3750 0x00000000);
3751 }
3752 out:
3753 return IRQ_RETVAL(handled);
3754 }
3755
3756 static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
3757 {
3758 struct net_device *dev = dev_id;
3759 struct tg3 *tp = netdev_priv(dev);
3760 struct tg3_hw_status *sblk = tp->hw_status;
3761 unsigned int handled = 1;
3762
3763 /* In INTx mode, it is possible for the interrupt to arrive at
3764 * the CPU before the status block posted prior to the interrupt.
3765 * Reading the PCI State register will confirm whether the
3766 * interrupt is ours and will flush the status block.
3767 */
3768 if (unlikely(sblk->status_tag == tp->last_tag)) {
3769 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
3770 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3771 handled = 0;
3772 goto out;
3773 }
3774 }
3775
3776 /*
3777 * writing any value to intr-mbox-0 clears PCI INTA# and
3778 * chip-internal interrupt pending events.
3779 * writing non-zero to intr-mbox-0 additional tells the
3780 * NIC to stop sending us irqs, engaging "in-intr-handler"
3781 * event coalescing.
3782 *
3783 * Flush the mailbox to de-assert the IRQ immediately to prevent
3784 * spurious interrupts. The flush impacts performance but
3785 * excessive spurious interrupts can be worse in some cases.
3786 */
3787 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
3788 if (tg3_irq_sync(tp))
3789 goto out;
3790 if (netif_rx_schedule_prep(dev, &tp->napi)) {
3791 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3792 /* Update last_tag to mark that this status has been
3793 * seen. Because interrupt may be shared, we may be
3794 * racing with tg3_poll(), so only update last_tag
3795 * if tg3_poll() is not scheduled.
3796 */
3797 tp->last_tag = sblk->status_tag;
3798 __netif_rx_schedule(dev, &tp->napi);
3799 }
3800 out:
3801 return IRQ_RETVAL(handled);
3802 }
3803
3804 /* ISR for interrupt test */
3805 static irqreturn_t tg3_test_isr(int irq, void *dev_id)
3806 {
3807 struct net_device *dev = dev_id;
3808 struct tg3 *tp = netdev_priv(dev);
3809 struct tg3_hw_status *sblk = tp->hw_status;
3810
3811 if ((sblk->status & SD_STATUS_UPDATED) ||
3812 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3813 tg3_disable_ints(tp);
3814 return IRQ_RETVAL(1);
3815 }
3816 return IRQ_RETVAL(0);
3817 }
3818
3819 static int tg3_init_hw(struct tg3 *, int);
3820 static int tg3_halt(struct tg3 *, int, int);
3821
3822 /* Restart hardware after configuration changes, self-test, etc.
3823 * Invoked with tp->lock held.
3824 */
3825 static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
3826 {
3827 int err;
3828
3829 err = tg3_init_hw(tp, reset_phy);
3830 if (err) {
3831 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
3832 "aborting.\n", tp->dev->name);
3833 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
3834 tg3_full_unlock(tp);
3835 del_timer_sync(&tp->timer);
3836 tp->irq_sync = 0;
3837 napi_enable(&tp->napi);
3838 dev_close(tp->dev);
3839 tg3_full_lock(tp, 0);
3840 }
3841 return err;
3842 }
3843
3844 #ifdef CONFIG_NET_POLL_CONTROLLER
3845 static void tg3_poll_controller(struct net_device *dev)
3846 {
3847 struct tg3 *tp = netdev_priv(dev);
3848
3849 tg3_interrupt(tp->pdev->irq, dev);
3850 }
3851 #endif
3852
3853 static void tg3_reset_task(struct work_struct *work)
3854 {
3855 struct tg3 *tp = container_of(work, struct tg3, reset_task);
3856 unsigned int restart_timer;
3857
3858 tg3_full_lock(tp, 0);
3859
3860 if (!netif_running(tp->dev)) {
3861 tg3_full_unlock(tp);
3862 return;
3863 }
3864
3865 tg3_full_unlock(tp);
3866
3867 tg3_netif_stop(tp);
3868
3869 tg3_full_lock(tp, 1);
3870
3871 restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
3872 tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
3873
3874 if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
3875 tp->write32_tx_mbox = tg3_write32_tx_mbox;
3876 tp->write32_rx_mbox = tg3_write_flush_reg32;
3877 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
3878 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
3879 }
3880
3881 tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
3882 if (tg3_init_hw(tp, 1))
3883 goto out;
3884
3885 tg3_netif_start(tp);
3886
3887 if (restart_timer)
3888 mod_timer(&tp->timer, jiffies + 1);
3889
3890 out:
3891 tg3_full_unlock(tp);
3892 }
3893
3894 static void tg3_dump_short_state(struct tg3 *tp)
3895 {
3896 printk(KERN_ERR PFX "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
3897 tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
3898 printk(KERN_ERR PFX "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
3899 tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
3900 }
3901
3902 static void tg3_tx_timeout(struct net_device *dev)
3903 {
3904 struct tg3 *tp = netdev_priv(dev);
3905
3906 if (netif_msg_tx_err(tp)) {
3907 printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
3908 dev->name);
3909 tg3_dump_short_state(tp);
3910 }
3911
3912 schedule_work(&tp->reset_task);
3913 }
3914
3915 /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
3916 static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
3917 {
3918 u32 base = (u32) mapping & 0xffffffff;
3919
3920 return ((base > 0xffffdcc0) &&
3921 (base + len + 8 < base));
3922 }
3923
3924 /* Test for DMA addresses > 40-bit */
3925 static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
3926 int len)
3927 {
3928 #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
3929 if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
3930 return (((u64) mapping + len) > DMA_40BIT_MASK);
3931 return 0;
3932 #else
3933 return 0;
3934 #endif
3935 }
3936
3937 static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
3938
3939 /* Workaround 4GB and 40-bit hardware DMA bugs. */
3940 static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
3941 u32 last_plus_one, u32 *start,
3942 u32 base_flags, u32 mss)
3943 {
3944 struct sk_buff *new_skb = skb_copy(skb, GFP_ATOMIC);
3945 dma_addr_t new_addr = 0;
3946 u32 entry = *start;
3947 int i, ret = 0;
3948
3949 if (!new_skb) {
3950 ret = -1;
3951 } else {
3952 /* New SKB is guaranteed to be linear. */
3953 entry = *start;
3954 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
3955 PCI_DMA_TODEVICE);
3956 /* Make sure new skb does not cross any 4G boundaries.
3957 * Drop the packet if it does.
3958 */
3959 if (tg3_4g_overflow_test(new_addr, new_skb->len)) {
3960 ret = -1;
3961 dev_kfree_skb(new_skb);
3962 new_skb = NULL;
3963 } else {
3964 tg3_set_txd(tp, entry, new_addr, new_skb->len,
3965 base_flags, 1 | (mss << 1));
3966 *start = NEXT_TX(entry);
3967 }
3968 }
3969
3970 /* Now clean up the sw ring entries. */
3971 i = 0;
3972 while (entry != last_plus_one) {
3973 int len;
3974
3975 if (i == 0)
3976 len = skb_headlen(skb);
3977 else
3978 len = skb_shinfo(skb)->frags[i-1].size;
3979 pci_unmap_single(tp->pdev,
3980 pci_unmap_addr(&tp->tx_buffers[entry], mapping),
3981 len, PCI_DMA_TODEVICE);
3982 if (i == 0) {
3983 tp->tx_buffers[entry].skb = new_skb;
3984 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, new_addr);
3985 } else {
3986 tp->tx_buffers[entry].skb = NULL;
3987 }
3988 entry = NEXT_TX(entry);
3989 i++;
3990 }
3991
3992 dev_kfree_skb(skb);
3993
3994 return ret;
3995 }
3996
3997 static void tg3_set_txd(struct tg3 *tp, int entry,
3998 dma_addr_t mapping, int len, u32 flags,
3999 u32 mss_and_is_end)
4000 {
4001 struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
4002 int is_end = (mss_and_is_end & 0x1);
4003 u32 mss = (mss_and_is_end >> 1);
4004 u32 vlan_tag = 0;
4005
4006 if (is_end)
4007 flags |= TXD_FLAG_END;
4008 if (flags & TXD_FLAG_VLAN) {
4009 vlan_tag = flags >> 16;
4010 flags &= 0xffff;
4011 }
4012 vlan_tag |= (mss << TXD_MSS_SHIFT);
4013
4014 txd->addr_hi = ((u64) mapping >> 32);
4015 txd->addr_lo = ((u64) mapping & 0xffffffff);
4016 txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
4017 txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
4018 }
4019
4020 /* hard_start_xmit for devices that don't have any bugs and
4021 * support TG3_FLG2_HW_TSO_2 only.
4022 */
4023 static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
4024 {
4025 struct tg3 *tp = netdev_priv(dev);
4026 dma_addr_t mapping;
4027 u32 len, entry, base_flags, mss;
4028
4029 len = skb_headlen(skb);
4030
4031 /* We are running in BH disabled context with netif_tx_lock
4032 * and TX reclaim runs via tp->napi.poll inside of a software
4033 * interrupt. Furthermore, IRQ processing runs lockless so we have
4034 * no IRQ context deadlocks to worry about either. Rejoice!
4035 */
4036 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
4037 if (!netif_queue_stopped(dev)) {
4038 netif_stop_queue(dev);
4039
4040 /* This is a hard error, log it. */
4041 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
4042 "queue awake!\n", dev->name);
4043 }
4044 return NETDEV_TX_BUSY;
4045 }
4046
4047 entry = tp->tx_prod;
4048 base_flags = 0;
4049 mss = 0;
4050 if ((mss = skb_shinfo(skb)->gso_size) != 0) {
4051 int tcp_opt_len, ip_tcp_len;
4052
4053 if (skb_header_cloned(skb) &&
4054 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4055 dev_kfree_skb(skb);
4056 goto out_unlock;
4057 }
4058
4059 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
4060 mss |= (skb_headlen(skb) - ETH_HLEN) << 9;
4061 else {
4062 struct iphdr *iph = ip_hdr(skb);
4063
4064 tcp_opt_len = tcp_optlen(skb);
4065 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
4066
4067 iph->check = 0;
4068 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
4069 mss |= (ip_tcp_len + tcp_opt_len) << 9;
4070 }
4071
4072 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
4073 TXD_FLAG_CPU_POST_DMA);
4074
4075 tcp_hdr(skb)->check = 0;
4076
4077 }
4078 else if (skb->ip_summed == CHECKSUM_PARTIAL)
4079 base_flags |= TXD_FLAG_TCPUDP_CSUM;
4080 #if TG3_VLAN_TAG_USED
4081 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
4082 base_flags |= (TXD_FLAG_VLAN |
4083 (vlan_tx_tag_get(skb) << 16));
4084 #endif
4085
4086 /* Queue skb data, a.k.a. the main skb fragment. */
4087 mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4088
4089 tp->tx_buffers[entry].skb = skb;
4090 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4091
4092 tg3_set_txd(tp, entry, mapping, len, base_flags,
4093 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
4094
4095 entry = NEXT_TX(entry);
4096
4097 /* Now loop through additional data fragments, and queue them. */
4098 if (skb_shinfo(skb)->nr_frags > 0) {
4099 unsigned int i, last;
4100
4101 last = skb_shinfo(skb)->nr_frags - 1;
4102 for (i = 0; i <= last; i++) {
4103 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4104
4105 len = frag->size;
4106 mapping = pci_map_page(tp->pdev,
4107 frag->page,
4108 frag->page_offset,
4109 len, PCI_DMA_TODEVICE);
4110
4111 tp->tx_buffers[entry].skb = NULL;
4112 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4113
4114 tg3_set_txd(tp, entry, mapping, len,
4115 base_flags, (i == last) | (mss << 1));
4116
4117 entry = NEXT_TX(entry);
4118 }
4119 }
4120
4121 /* Packets are ready, update Tx producer idx local and on card. */
4122 tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
4123
4124 tp->tx_prod = entry;
4125 if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
4126 netif_stop_queue(dev);
4127 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
4128 netif_wake_queue(tp->dev);
4129 }
4130
4131 out_unlock:
4132 mmiowb();
4133
4134 dev->trans_start = jiffies;
4135
4136 return NETDEV_TX_OK;
4137 }
4138
4139 static int tg3_start_xmit_dma_bug(struct sk_buff *, struct net_device *);
4140
4141 /* Use GSO to workaround a rare TSO bug that may be triggered when the
4142 * TSO header is greater than 80 bytes.
4143 */
4144 static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
4145 {
4146 struct sk_buff *segs, *nskb;
4147
4148 /* Estimate the number of fragments in the worst case */
4149 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))) {
4150 netif_stop_queue(tp->dev);
4151 if (tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))
4152 return NETDEV_TX_BUSY;
4153
4154 netif_wake_queue(tp->dev);
4155 }
4156
4157 segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
4158 if (unlikely(IS_ERR(segs)))
4159 goto tg3_tso_bug_end;
4160
4161 do {
4162 nskb = segs;
4163 segs = segs->next;
4164 nskb->next = NULL;
4165 tg3_start_xmit_dma_bug(nskb, tp->dev);
4166 } while (segs);
4167
4168 tg3_tso_bug_end:
4169 dev_kfree_skb(skb);
4170
4171 return NETDEV_TX_OK;
4172 }
4173
4174 /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
4175 * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
4176 */
4177 static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev)
4178 {
4179 struct tg3 *tp = netdev_priv(dev);
4180 dma_addr_t mapping;
4181 u32 len, entry, base_flags, mss;
4182 int would_hit_hwbug;
4183
4184 len = skb_headlen(skb);
4185
4186 /* We are running in BH disabled context with netif_tx_lock
4187 * and TX reclaim runs via tp->napi.poll inside of a software
4188 * interrupt. Furthermore, IRQ processing runs lockless so we have
4189 * no IRQ context deadlocks to worry about either. Rejoice!
4190 */
4191 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
4192 if (!netif_queue_stopped(dev)) {
4193 netif_stop_queue(dev);
4194
4195 /* This is a hard error, log it. */
4196 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
4197 "queue awake!\n", dev->name);
4198 }
4199 return NETDEV_TX_BUSY;
4200 }
4201
4202 entry = tp->tx_prod;
4203 base_flags = 0;
4204 if (skb->ip_summed == CHECKSUM_PARTIAL)
4205 base_flags |= TXD_FLAG_TCPUDP_CSUM;
4206 mss = 0;
4207 if ((mss = skb_shinfo(skb)->gso_size) != 0) {
4208 struct iphdr *iph;
4209 int tcp_opt_len, ip_tcp_len, hdr_len;
4210
4211 if (skb_header_cloned(skb) &&
4212 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4213 dev_kfree_skb(skb);
4214 goto out_unlock;
4215 }
4216
4217 tcp_opt_len = tcp_optlen(skb);
4218 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
4219
4220 hdr_len = ip_tcp_len + tcp_opt_len;
4221 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
4222 (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
4223 return (tg3_tso_bug(tp, skb));
4224
4225 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
4226 TXD_FLAG_CPU_POST_DMA);
4227
4228 iph = ip_hdr(skb);
4229 iph->check = 0;
4230 iph->tot_len = htons(mss + hdr_len);
4231 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
4232 tcp_hdr(skb)->check = 0;
4233 base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
4234 } else
4235 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
4236 iph->daddr, 0,
4237 IPPROTO_TCP,
4238 0);
4239
4240 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
4241 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
4242 if (tcp_opt_len || iph->ihl > 5) {
4243 int tsflags;
4244
4245 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
4246 mss |= (tsflags << 11);
4247 }
4248 } else {
4249 if (tcp_opt_len || iph->ihl > 5) {
4250 int tsflags;
4251
4252 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
4253 base_flags |= tsflags << 12;
4254 }
4255 }
4256 }
4257 #if TG3_VLAN_TAG_USED
4258 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
4259 base_flags |= (TXD_FLAG_VLAN |
4260 (vlan_tx_tag_get(skb) << 16));
4261 #endif
4262
4263 /* Queue skb data, a.k.a. the main skb fragment. */
4264 mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4265
4266 tp->tx_buffers[entry].skb = skb;
4267 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4268
4269 would_hit_hwbug = 0;
4270
4271 if (tg3_4g_overflow_test(mapping, len))
4272 would_hit_hwbug = 1;
4273
4274 tg3_set_txd(tp, entry, mapping, len, base_flags,
4275 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
4276
4277 entry = NEXT_TX(entry);
4278
4279 /* Now loop through additional data fragments, and queue them. */
4280 if (skb_shinfo(skb)->nr_frags > 0) {
4281 unsigned int i, last;
4282
4283 last = skb_shinfo(skb)->nr_frags - 1;
4284 for (i = 0; i <= last; i++) {
4285 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4286
4287 len = frag->size;
4288 mapping = pci_map_page(tp->pdev,
4289 frag->page,
4290 frag->page_offset,
4291 len, PCI_DMA_TODEVICE);
4292
4293 tp->tx_buffers[entry].skb = NULL;
4294 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4295
4296 if (tg3_4g_overflow_test(mapping, len))
4297 would_hit_hwbug = 1;
4298
4299 if (tg3_40bit_overflow_test(tp, mapping, len))
4300 would_hit_hwbug = 1;
4301
4302 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
4303 tg3_set_txd(tp, entry, mapping, len,
4304 base_flags, (i == last)|(mss << 1));
4305 else
4306 tg3_set_txd(tp, entry, mapping, len,
4307 base_flags, (i == last));
4308
4309 entry = NEXT_TX(entry);
4310 }
4311 }
4312
4313 if (would_hit_hwbug) {
4314 u32 last_plus_one = entry;
4315 u32 start;
4316
4317 start = entry - 1 - skb_shinfo(skb)->nr_frags;
4318 start &= (TG3_TX_RING_SIZE - 1);
4319
4320 /* If the workaround fails due to memory/mapping
4321 * failure, silently drop this packet.
4322 */
4323 if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
4324 &start, base_flags, mss))
4325 goto out_unlock;
4326
4327 entry = start;
4328 }
4329
4330 /* Packets are ready, update Tx producer idx local and on card. */
4331 tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
4332
4333 tp->tx_prod = entry;
4334 if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
4335 netif_stop_queue(dev);
4336 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
4337 netif_wake_queue(tp->dev);
4338 }
4339
4340 out_unlock:
4341 mmiowb();
4342
4343 dev->trans_start = jiffies;
4344
4345 return NETDEV_TX_OK;
4346 }
4347
4348 static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
4349 int new_mtu)
4350 {
4351 dev->mtu = new_mtu;
4352
4353 if (new_mtu > ETH_DATA_LEN) {
4354 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
4355 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
4356 ethtool_op_set_tso(dev, 0);
4357 }
4358 else
4359 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
4360 } else {
4361 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
4362 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
4363 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
4364 }
4365 }
4366
4367 static int tg3_change_mtu(struct net_device *dev, int new_mtu)
4368 {
4369 struct tg3 *tp = netdev_priv(dev);
4370 int err;
4371
4372 if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
4373 return -EINVAL;
4374
4375 if (!netif_running(dev)) {
4376 /* We'll just catch it later when the
4377 * device is up'd.
4378 */
4379 tg3_set_mtu(dev, tp, new_mtu);
4380 return 0;
4381 }
4382
4383 tg3_netif_stop(tp);
4384
4385 tg3_full_lock(tp, 1);
4386
4387 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
4388
4389 tg3_set_mtu(dev, tp, new_mtu);
4390
4391 err = tg3_restart_hw(tp, 0);
4392
4393 if (!err)
4394 tg3_netif_start(tp);
4395
4396 tg3_full_unlock(tp);
4397
4398 return err;
4399 }
4400
4401 /* Free up pending packets in all rx/tx rings.
4402 *
4403 * The chip has been shut down and the driver detached from
4404 * the networking, so no interrupts or new tx packets will
4405 * end up in the driver. tp->{tx,}lock is not held and we are not
4406 * in an interrupt context and thus may sleep.
4407 */
4408 static void tg3_free_rings(struct tg3 *tp)
4409 {
4410 struct ring_info *rxp;
4411 int i;
4412
4413 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4414 rxp = &tp->rx_std_buffers[i];
4415
4416 if (rxp->skb == NULL)
4417 continue;
4418 pci_unmap_single(tp->pdev,
4419 pci_unmap_addr(rxp, mapping),
4420 tp->rx_pkt_buf_sz - tp->rx_offset,
4421 PCI_DMA_FROMDEVICE);
4422 dev_kfree_skb_any(rxp->skb);
4423 rxp->skb = NULL;
4424 }
4425
4426 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4427 rxp = &tp->rx_jumbo_buffers[i];
4428
4429 if (rxp->skb == NULL)
4430 continue;
4431 pci_unmap_single(tp->pdev,
4432 pci_unmap_addr(rxp, mapping),
4433 RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
4434 PCI_DMA_FROMDEVICE);
4435 dev_kfree_skb_any(rxp->skb);
4436 rxp->skb = NULL;
4437 }
4438
4439 for (i = 0; i < TG3_TX_RING_SIZE; ) {
4440 struct tx_ring_info *txp;
4441 struct sk_buff *skb;
4442 int j;
4443
4444 txp = &tp->tx_buffers[i];
4445 skb = txp->skb;
4446
4447 if (skb == NULL) {
4448 i++;
4449 continue;
4450 }
4451
4452 pci_unmap_single(tp->pdev,
4453 pci_unmap_addr(txp, mapping),
4454 skb_headlen(skb),
4455 PCI_DMA_TODEVICE);
4456 txp->skb = NULL;
4457
4458 i++;
4459
4460 for (j = 0; j < skb_shinfo(skb)->nr_frags; j++) {
4461 txp = &tp->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
4462 pci_unmap_page(tp->pdev,
4463 pci_unmap_addr(txp, mapping),
4464 skb_shinfo(skb)->frags[j].size,
4465 PCI_DMA_TODEVICE);
4466 i++;
4467 }
4468
4469 dev_kfree_skb_any(skb);
4470 }
4471 }
4472
4473 /* Initialize tx/rx rings for packet processing.
4474 *
4475 * The chip has been shut down and the driver detached from
4476 * the networking, so no interrupts or new tx packets will
4477 * end up in the driver. tp->{tx,}lock are held and thus
4478 * we may not sleep.
4479 */
4480 static int tg3_init_rings(struct tg3 *tp)
4481 {
4482 u32 i;
4483
4484 /* Free up all the SKBs. */
4485 tg3_free_rings(tp);
4486
4487 /* Zero out all descriptors. */
4488 memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
4489 memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
4490 memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
4491 memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
4492
4493 tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
4494 if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
4495 (tp->dev->mtu > ETH_DATA_LEN))
4496 tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
4497
4498 /* Initialize invariants of the rings, we only set this
4499 * stuff once. This works because the card does not
4500 * write into the rx buffer posting rings.
4501 */
4502 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4503 struct tg3_rx_buffer_desc *rxd;
4504
4505 rxd = &tp->rx_std[i];
4506 rxd->idx_len = (tp->rx_pkt_buf_sz - tp->rx_offset - 64)
4507 << RXD_LEN_SHIFT;
4508 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
4509 rxd->opaque = (RXD_OPAQUE_RING_STD |
4510 (i << RXD_OPAQUE_INDEX_SHIFT));
4511 }
4512
4513 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
4514 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4515 struct tg3_rx_buffer_desc *rxd;
4516
4517 rxd = &tp->rx_jumbo[i];
4518 rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
4519 << RXD_LEN_SHIFT;
4520 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
4521 RXD_FLAG_JUMBO;
4522 rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
4523 (i << RXD_OPAQUE_INDEX_SHIFT));
4524 }
4525 }
4526
4527 /* Now allocate fresh SKBs for each rx ring. */
4528 for (i = 0; i < tp->rx_pending; i++) {
4529 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD, -1, i) < 0) {
4530 printk(KERN_WARNING PFX
4531 "%s: Using a smaller RX standard ring, "
4532 "only %d out of %d buffers were allocated "
4533 "successfully.\n",
4534 tp->dev->name, i, tp->rx_pending);
4535 if (i == 0)
4536 return -ENOMEM;
4537 tp->rx_pending = i;
4538 break;
4539 }
4540 }
4541
4542 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
4543 for (i = 0; i < tp->rx_jumbo_pending; i++) {
4544 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
4545 -1, i) < 0) {
4546 printk(KERN_WARNING PFX
4547 "%s: Using a smaller RX jumbo ring, "
4548 "only %d out of %d buffers were "
4549 "allocated successfully.\n",
4550 tp->dev->name, i, tp->rx_jumbo_pending);
4551 if (i == 0) {
4552 tg3_free_rings(tp);
4553 return -ENOMEM;
4554 }
4555 tp->rx_jumbo_pending = i;
4556 break;
4557 }
4558 }
4559 }
4560 return 0;
4561 }
4562
4563 /*
4564 * Must not be invoked with interrupt sources disabled and
4565 * the hardware shutdown down.
4566 */
4567 static void tg3_free_consistent(struct tg3 *tp)
4568 {
4569 kfree(tp->rx_std_buffers);
4570 tp->rx_std_buffers = NULL;
4571 if (tp->rx_std) {
4572 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
4573 tp->rx_std, tp->rx_std_mapping);
4574 tp->rx_std = NULL;
4575 }
4576 if (tp->rx_jumbo) {
4577 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4578 tp->rx_jumbo, tp->rx_jumbo_mapping);
4579 tp->rx_jumbo = NULL;
4580 }
4581 if (tp->rx_rcb) {
4582 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4583 tp->rx_rcb, tp->rx_rcb_mapping);
4584 tp->rx_rcb = NULL;
4585 }
4586 if (tp->tx_ring) {
4587 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
4588 tp->tx_ring, tp->tx_desc_mapping);
4589 tp->tx_ring = NULL;
4590 }
4591 if (tp->hw_status) {
4592 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
4593 tp->hw_status, tp->status_mapping);
4594 tp->hw_status = NULL;
4595 }
4596 if (tp->hw_stats) {
4597 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
4598 tp->hw_stats, tp->stats_mapping);
4599 tp->hw_stats = NULL;
4600 }
4601 }
4602
4603 /*
4604 * Must not be invoked with interrupt sources disabled and
4605 * the hardware shutdown down. Can sleep.
4606 */
4607 static int tg3_alloc_consistent(struct tg3 *tp)
4608 {
4609 tp->rx_std_buffers = kzalloc((sizeof(struct ring_info) *
4610 (TG3_RX_RING_SIZE +
4611 TG3_RX_JUMBO_RING_SIZE)) +
4612 (sizeof(struct tx_ring_info) *
4613 TG3_TX_RING_SIZE),
4614 GFP_KERNEL);
4615 if (!tp->rx_std_buffers)
4616 return -ENOMEM;
4617
4618 tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
4619 tp->tx_buffers = (struct tx_ring_info *)
4620 &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
4621
4622 tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
4623 &tp->rx_std_mapping);
4624 if (!tp->rx_std)
4625 goto err_out;
4626
4627 tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4628 &tp->rx_jumbo_mapping);
4629
4630 if (!tp->rx_jumbo)
4631 goto err_out;
4632
4633 tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4634 &tp->rx_rcb_mapping);
4635 if (!tp->rx_rcb)
4636 goto err_out;
4637
4638 tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
4639 &tp->tx_desc_mapping);
4640 if (!tp->tx_ring)
4641 goto err_out;
4642
4643 tp->hw_status = pci_alloc_consistent(tp->pdev,
4644 TG3_HW_STATUS_SIZE,
4645 &tp->status_mapping);
4646 if (!tp->hw_status)
4647 goto err_out;
4648
4649 tp->hw_stats = pci_alloc_consistent(tp->pdev,
4650 sizeof(struct tg3_hw_stats),
4651 &tp->stats_mapping);
4652 if (!tp->hw_stats)
4653 goto err_out;
4654
4655 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4656 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4657
4658 return 0;
4659
4660 err_out:
4661 tg3_free_consistent(tp);
4662 return -ENOMEM;
4663 }
4664
4665 #define MAX_WAIT_CNT 1000
4666
4667 /* To stop a block, clear the enable bit and poll till it
4668 * clears. tp->lock is held.
4669 */
4670 static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
4671 {
4672 unsigned int i;
4673 u32 val;
4674
4675 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
4676 switch (ofs) {
4677 case RCVLSC_MODE:
4678 case DMAC_MODE:
4679 case MBFREE_MODE:
4680 case BUFMGR_MODE:
4681 case MEMARB_MODE:
4682 /* We can't enable/disable these bits of the
4683 * 5705/5750, just say success.
4684 */
4685 return 0;
4686
4687 default:
4688 break;
4689 };
4690 }
4691
4692 val = tr32(ofs);
4693 val &= ~enable_bit;
4694 tw32_f(ofs, val);
4695
4696 for (i = 0; i < MAX_WAIT_CNT; i++) {
4697 udelay(100);
4698 val = tr32(ofs);
4699 if ((val & enable_bit) == 0)
4700 break;
4701 }
4702
4703 if (i == MAX_WAIT_CNT && !silent) {
4704 printk(KERN_ERR PFX "tg3_stop_block timed out, "
4705 "ofs=%lx enable_bit=%x\n",
4706 ofs, enable_bit);
4707 return -ENODEV;
4708 }
4709
4710 return 0;
4711 }
4712
4713 /* tp->lock is held. */
4714 static int tg3_abort_hw(struct tg3 *tp, int silent)
4715 {
4716 int i, err;
4717
4718 tg3_disable_ints(tp);
4719
4720 tp->rx_mode &= ~RX_MODE_ENABLE;
4721 tw32_f(MAC_RX_MODE, tp->rx_mode);
4722 udelay(10);
4723
4724 err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
4725 err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
4726 err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
4727 err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
4728 err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
4729 err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
4730
4731 err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
4732 err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
4733 err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
4734 err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
4735 err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
4736 err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
4737 err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
4738
4739 tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
4740 tw32_f(MAC_MODE, tp->mac_mode);
4741 udelay(40);
4742
4743 tp->tx_mode &= ~TX_MODE_ENABLE;
4744 tw32_f(MAC_TX_MODE, tp->tx_mode);
4745
4746 for (i = 0; i < MAX_WAIT_CNT; i++) {
4747 udelay(100);
4748 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
4749 break;
4750 }
4751 if (i >= MAX_WAIT_CNT) {
4752 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
4753 "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
4754 tp->dev->name, tr32(MAC_TX_MODE));
4755 err |= -ENODEV;
4756 }
4757
4758 err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
4759 err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
4760 err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
4761
4762 tw32(FTQ_RESET, 0xffffffff);
4763 tw32(FTQ_RESET, 0x00000000);
4764
4765 err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
4766 err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
4767
4768 if (tp->hw_status)
4769 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4770 if (tp->hw_stats)
4771 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4772
4773 return err;
4774 }
4775
4776 /* tp->lock is held. */
4777 static int tg3_nvram_lock(struct tg3 *tp)
4778 {
4779 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4780 int i;
4781
4782 if (tp->nvram_lock_cnt == 0) {
4783 tw32(NVRAM_SWARB, SWARB_REQ_SET1);
4784 for (i = 0; i < 8000; i++) {
4785 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
4786 break;
4787 udelay(20);
4788 }
4789 if (i == 8000) {
4790 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
4791 return -ENODEV;
4792 }
4793 }
4794 tp->nvram_lock_cnt++;
4795 }
4796 return 0;
4797 }
4798
4799 /* tp->lock is held. */
4800 static void tg3_nvram_unlock(struct tg3 *tp)
4801 {
4802 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4803 if (tp->nvram_lock_cnt > 0)
4804 tp->nvram_lock_cnt--;
4805 if (tp->nvram_lock_cnt == 0)
4806 tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
4807 }
4808 }
4809
4810 /* tp->lock is held. */
4811 static void tg3_enable_nvram_access(struct tg3 *tp)
4812 {
4813 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4814 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4815 u32 nvaccess = tr32(NVRAM_ACCESS);
4816
4817 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
4818 }
4819 }
4820
4821 /* tp->lock is held. */
4822 static void tg3_disable_nvram_access(struct tg3 *tp)
4823 {
4824 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4825 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4826 u32 nvaccess = tr32(NVRAM_ACCESS);
4827
4828 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
4829 }
4830 }
4831
4832 static void tg3_ape_send_event(struct tg3 *tp, u32 event)
4833 {
4834 int i;
4835 u32 apedata;
4836
4837 apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
4838 if (apedata != APE_SEG_SIG_MAGIC)
4839 return;
4840
4841 apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
4842 if (apedata != APE_FW_STATUS_READY)
4843 return;
4844
4845 /* Wait for up to 1 millisecond for APE to service previous event. */
4846 for (i = 0; i < 10; i++) {
4847 if (tg3_ape_lock(tp, TG3_APE_LOCK_MEM))
4848 return;
4849
4850 apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
4851
4852 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
4853 tg3_ape_write32(tp, TG3_APE_EVENT_STATUS,
4854 event | APE_EVENT_STATUS_EVENT_PENDING);
4855
4856 tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
4857
4858 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
4859 break;
4860
4861 udelay(100);
4862 }
4863
4864 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
4865 tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
4866 }
4867
4868 static void tg3_ape_driver_state_change(struct tg3 *tp, int kind)
4869 {
4870 u32 event;
4871 u32 apedata;
4872
4873 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
4874 return;
4875
4876 switch (kind) {
4877 case RESET_KIND_INIT:
4878 tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG,
4879 APE_HOST_SEG_SIG_MAGIC);
4880 tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN,
4881 APE_HOST_SEG_LEN_MAGIC);
4882 apedata = tg3_ape_read32(tp, TG3_APE_HOST_INIT_COUNT);
4883 tg3_ape_write32(tp, TG3_APE_HOST_INIT_COUNT, ++apedata);
4884 tg3_ape_write32(tp, TG3_APE_HOST_DRIVER_ID,
4885 APE_HOST_DRIVER_ID_MAGIC);
4886 tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR,
4887 APE_HOST_BEHAV_NO_PHYLOCK);
4888
4889 event = APE_EVENT_STATUS_STATE_START;
4890 break;
4891 case RESET_KIND_SHUTDOWN:
4892 event = APE_EVENT_STATUS_STATE_UNLOAD;
4893 break;
4894 case RESET_KIND_SUSPEND:
4895 event = APE_EVENT_STATUS_STATE_SUSPEND;
4896 break;
4897 default:
4898 return;
4899 }
4900
4901 event |= APE_EVENT_STATUS_DRIVER_EVNT | APE_EVENT_STATUS_STATE_CHNGE;
4902
4903 tg3_ape_send_event(tp, event);
4904 }
4905
4906 /* tp->lock is held. */
4907 static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
4908 {
4909 tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
4910 NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
4911
4912 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4913 switch (kind) {
4914 case RESET_KIND_INIT:
4915 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4916 DRV_STATE_START);
4917 break;
4918
4919 case RESET_KIND_SHUTDOWN:
4920 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4921 DRV_STATE_UNLOAD);
4922 break;
4923
4924 case RESET_KIND_SUSPEND:
4925 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4926 DRV_STATE_SUSPEND);
4927 break;
4928
4929 default:
4930 break;
4931 };
4932 }
4933
4934 if (kind == RESET_KIND_INIT ||
4935 kind == RESET_KIND_SUSPEND)
4936 tg3_ape_driver_state_change(tp, kind);
4937 }
4938
4939 /* tp->lock is held. */
4940 static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
4941 {
4942 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4943 switch (kind) {
4944 case RESET_KIND_INIT:
4945 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4946 DRV_STATE_START_DONE);
4947 break;
4948
4949 case RESET_KIND_SHUTDOWN:
4950 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4951 DRV_STATE_UNLOAD_DONE);
4952 break;
4953
4954 default:
4955 break;
4956 };
4957 }
4958
4959 if (kind == RESET_KIND_SHUTDOWN)
4960 tg3_ape_driver_state_change(tp, kind);
4961 }
4962
4963 /* tp->lock is held. */
4964 static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
4965 {
4966 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
4967 switch (kind) {
4968 case RESET_KIND_INIT:
4969 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4970 DRV_STATE_START);
4971 break;
4972
4973 case RESET_KIND_SHUTDOWN:
4974 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4975 DRV_STATE_UNLOAD);
4976 break;
4977
4978 case RESET_KIND_SUSPEND:
4979 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4980 DRV_STATE_SUSPEND);
4981 break;
4982
4983 default:
4984 break;
4985 };
4986 }
4987 }
4988
4989 static int tg3_poll_fw(struct tg3 *tp)
4990 {
4991 int i;
4992 u32 val;
4993
4994 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
4995 /* Wait up to 20ms for init done. */
4996 for (i = 0; i < 200; i++) {
4997 if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
4998 return 0;
4999 udelay(100);
5000 }
5001 return -ENODEV;
5002 }
5003
5004 /* Wait for firmware initialization to complete. */
5005 for (i = 0; i < 100000; i++) {
5006 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
5007 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
5008 break;
5009 udelay(10);
5010 }
5011
5012 /* Chip might not be fitted with firmware. Some Sun onboard
5013 * parts are configured like that. So don't signal the timeout
5014 * of the above loop as an error, but do report the lack of
5015 * running firmware once.
5016 */
5017 if (i >= 100000 &&
5018 !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
5019 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
5020
5021 printk(KERN_INFO PFX "%s: No firmware running.\n",
5022 tp->dev->name);
5023 }
5024
5025 return 0;
5026 }
5027
5028 /* Save PCI command register before chip reset */
5029 static void tg3_save_pci_state(struct tg3 *tp)
5030 {
5031 u32 val;
5032
5033 pci_read_config_dword(tp->pdev, TG3PCI_COMMAND, &val);
5034 tp->pci_cmd = val;
5035 }
5036
5037 /* Restore PCI state after chip reset */
5038 static void tg3_restore_pci_state(struct tg3 *tp)
5039 {
5040 u32 val;
5041
5042 /* Re-enable indirect register accesses. */
5043 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
5044 tp->misc_host_ctrl);
5045
5046 /* Set MAX PCI retry to zero. */
5047 val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
5048 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
5049 (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
5050 val |= PCISTATE_RETRY_SAME_DMA;
5051 /* Allow reads and writes to the APE register and memory space. */
5052 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
5053 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
5054 PCISTATE_ALLOW_APE_SHMEM_WR;
5055 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
5056
5057 pci_write_config_dword(tp->pdev, TG3PCI_COMMAND, tp->pci_cmd);
5058
5059 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
5060 pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
5061 tp->pci_cacheline_sz);
5062 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
5063 tp->pci_lat_timer);
5064 }
5065 /* Make sure PCI-X relaxed ordering bit is clear. */
5066 if (tp->pcix_cap) {
5067 u16 pcix_cmd;
5068
5069 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
5070 &pcix_cmd);
5071 pcix_cmd &= ~PCI_X_CMD_ERO;
5072 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
5073 pcix_cmd);
5074 }
5075
5076 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
5077
5078 /* Chip reset on 5780 will reset MSI enable bit,
5079 * so need to restore it.
5080 */
5081 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
5082 u16 ctrl;
5083
5084 pci_read_config_word(tp->pdev,
5085 tp->msi_cap + PCI_MSI_FLAGS,
5086 &ctrl);
5087 pci_write_config_word(tp->pdev,
5088 tp->msi_cap + PCI_MSI_FLAGS,
5089 ctrl | PCI_MSI_FLAGS_ENABLE);
5090 val = tr32(MSGINT_MODE);
5091 tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
5092 }
5093 }
5094 }
5095
5096 static void tg3_stop_fw(struct tg3 *);
5097
5098 /* tp->lock is held. */
5099 static int tg3_chip_reset(struct tg3 *tp)
5100 {
5101 u32 val;
5102 void (*write_op)(struct tg3 *, u32, u32);
5103 int err;
5104
5105 tg3_nvram_lock(tp);
5106
5107 /* No matching tg3_nvram_unlock() after this because
5108 * chip reset below will undo the nvram lock.
5109 */
5110 tp->nvram_lock_cnt = 0;
5111
5112 /* GRC_MISC_CFG core clock reset will clear the memory
5113 * enable bit in PCI register 4 and the MSI enable bit
5114 * on some chips, so we save relevant registers here.
5115 */
5116 tg3_save_pci_state(tp);
5117
5118 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
5119 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
5120 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
5121 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
5122 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
5123 tw32(GRC_FASTBOOT_PC, 0);
5124
5125 /*
5126 * We must avoid the readl() that normally takes place.
5127 * It locks machines, causes machine checks, and other
5128 * fun things. So, temporarily disable the 5701
5129 * hardware workaround, while we do the reset.
5130 */
5131 write_op = tp->write32;
5132 if (write_op == tg3_write_flush_reg32)
5133 tp->write32 = tg3_write32;
5134
5135 /* Prevent the irq handler from reading or writing PCI registers
5136 * during chip reset when the memory enable bit in the PCI command
5137 * register may be cleared. The chip does not generate interrupt
5138 * at this time, but the irq handler may still be called due to irq
5139 * sharing or irqpoll.
5140 */
5141 tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
5142 if (tp->hw_status) {
5143 tp->hw_status->status = 0;
5144 tp->hw_status->status_tag = 0;
5145 }
5146 tp->last_tag = 0;
5147 smp_mb();
5148 synchronize_irq(tp->pdev->irq);
5149
5150 /* do the reset */
5151 val = GRC_MISC_CFG_CORECLK_RESET;
5152
5153 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
5154 if (tr32(0x7e2c) == 0x60) {
5155 tw32(0x7e2c, 0x20);
5156 }
5157 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
5158 tw32(GRC_MISC_CFG, (1 << 29));
5159 val |= (1 << 29);
5160 }
5161 }
5162
5163 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
5164 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
5165 tw32(GRC_VCPU_EXT_CTRL,
5166 tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
5167 }
5168
5169 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
5170 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
5171 tw32(GRC_MISC_CFG, val);
5172
5173 /* restore 5701 hardware bug workaround write method */
5174 tp->write32 = write_op;
5175
5176 /* Unfortunately, we have to delay before the PCI read back.
5177 * Some 575X chips even will not respond to a PCI cfg access
5178 * when the reset command is given to the chip.
5179 *
5180 * How do these hardware designers expect things to work
5181 * properly if the PCI write is posted for a long period
5182 * of time? It is always necessary to have some method by
5183 * which a register read back can occur to push the write
5184 * out which does the reset.
5185 *
5186 * For most tg3 variants the trick below was working.
5187 * Ho hum...
5188 */
5189 udelay(120);
5190
5191 /* Flush PCI posted writes. The normal MMIO registers
5192 * are inaccessible at this time so this is the only
5193 * way to make this reliably (actually, this is no longer
5194 * the case, see above). I tried to use indirect
5195 * register read/write but this upset some 5701 variants.
5196 */
5197 pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
5198
5199 udelay(120);
5200
5201 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
5202 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
5203 int i;
5204 u32 cfg_val;
5205
5206 /* Wait for link training to complete. */
5207 for (i = 0; i < 5000; i++)
5208 udelay(100);
5209
5210 pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
5211 pci_write_config_dword(tp->pdev, 0xc4,
5212 cfg_val | (1 << 15));
5213 }
5214 /* Set PCIE max payload size and clear error status. */
5215 pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
5216 }
5217
5218 tg3_restore_pci_state(tp);
5219
5220 tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
5221
5222 val = 0;
5223 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
5224 val = tr32(MEMARB_MODE);
5225 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
5226
5227 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
5228 tg3_stop_fw(tp);
5229 tw32(0x5000, 0x400);
5230 }
5231
5232 tw32(GRC_MODE, tp->grc_mode);
5233
5234 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
5235 val = tr32(0xc4);
5236
5237 tw32(0xc4, val | (1 << 15));
5238 }
5239
5240 if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
5241 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5242 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
5243 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
5244 tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
5245 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
5246 }
5247
5248 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
5249 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
5250 tw32_f(MAC_MODE, tp->mac_mode);
5251 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
5252 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
5253 tw32_f(MAC_MODE, tp->mac_mode);
5254 } else
5255 tw32_f(MAC_MODE, 0);
5256 udelay(40);
5257
5258 err = tg3_poll_fw(tp);
5259 if (err)
5260 return err;
5261
5262 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
5263 tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
5264 val = tr32(0x7c00);
5265
5266 tw32(0x7c00, val | (1 << 25));
5267 }
5268
5269 /* Reprobe ASF enable state. */
5270 tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
5271 tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
5272 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
5273 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
5274 u32 nic_cfg;
5275
5276 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
5277 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
5278 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
5279 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
5280 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
5281 }
5282 }
5283
5284 return 0;
5285 }
5286
5287 /* tp->lock is held. */
5288 static void tg3_stop_fw(struct tg3 *tp)
5289 {
5290 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
5291 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
5292 u32 val;
5293 int i;
5294
5295 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
5296 val = tr32(GRC_RX_CPU_EVENT);
5297 val |= (1 << 14);
5298 tw32(GRC_RX_CPU_EVENT, val);
5299
5300 /* Wait for RX cpu to ACK the event. */
5301 for (i = 0; i < 100; i++) {
5302 if (!(tr32(GRC_RX_CPU_EVENT) & (1 << 14)))
5303 break;
5304 udelay(1);
5305 }
5306 }
5307 }
5308
5309 /* tp->lock is held. */
5310 static int tg3_halt(struct tg3 *tp, int kind, int silent)
5311 {
5312 int err;
5313
5314 tg3_stop_fw(tp);
5315
5316 tg3_write_sig_pre_reset(tp, kind);
5317
5318 tg3_abort_hw(tp, silent);
5319 err = tg3_chip_reset(tp);
5320
5321 tg3_write_sig_legacy(tp, kind);
5322 tg3_write_sig_post_reset(tp, kind);
5323
5324 if (err)
5325 return err;
5326
5327 return 0;
5328 }
5329
5330 #define TG3_FW_RELEASE_MAJOR 0x0
5331 #define TG3_FW_RELASE_MINOR 0x0
5332 #define TG3_FW_RELEASE_FIX 0x0
5333 #define TG3_FW_START_ADDR 0x08000000
5334 #define TG3_FW_TEXT_ADDR 0x08000000
5335 #define TG3_FW_TEXT_LEN 0x9c0
5336 #define TG3_FW_RODATA_ADDR 0x080009c0
5337 #define TG3_FW_RODATA_LEN 0x60
5338 #define TG3_FW_DATA_ADDR 0x08000a40
5339 #define TG3_FW_DATA_LEN 0x20
5340 #define TG3_FW_SBSS_ADDR 0x08000a60
5341 #define TG3_FW_SBSS_LEN 0xc
5342 #define TG3_FW_BSS_ADDR 0x08000a70
5343 #define TG3_FW_BSS_LEN 0x10
5344
5345 static const u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = {
5346 0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800,
5347 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000,
5348 0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034,
5349 0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000,
5350 0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105,
5351 0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0,
5352 0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010,
5353 0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01,
5354 0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c,
5355 0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000,
5356 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400,
5357 0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c,
5358 0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000,
5359 0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64,
5360 0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000,
5361 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5362 0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68,
5363 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003,
5364 0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800,
5365 0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5366 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60,
5367 0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008,
5368 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5369 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5370 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5371 0, 0, 0, 0, 0, 0,
5372 0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002,
5373 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5374 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5375 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5376 0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009,
5377 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b,
5378 0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000,
5379 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000,
5380 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5381 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5382 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014,
5383 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5384 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5385 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5386 0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010,
5387 0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74,
5388 0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c,
5389 0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800,
5390 0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001,
5391 0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028,
5392 0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800,
5393 0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0,
5394 0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014,
5395 0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001,
5396 0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810,
5397 0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018,
5398 0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec,
5399 0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c,
5400 0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74,
5401 0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000,
5402 0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c,
5403 0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c,
5404 0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df,
5405 0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000,
5406 0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800,
5407 0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402,
5408 0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00,
5409 0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010,
5410 0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df,
5411 0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001,
5412 0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008,
5413 0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021,
5414 0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018,
5415 0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b,
5416 0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000,
5417 0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008,
5418 0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b,
5419 0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001,
5420 0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821,
5421 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000,
5422 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000,
5423 0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821,
5424 0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff,
5425 0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008,
5426 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010,
5427 0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000,
5428 0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428,
5429 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c,
5430 0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e,
5431 0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010,
5432 0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000,
5433 0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001,
5434 0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000,
5435 0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824,
5436 0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000
5437 };
5438
5439 static const u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = {
5440 0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430,
5441 0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74,
5442 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5443 0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000,
5444 0x00000000
5445 };
5446
5447 #if 0 /* All zeros, don't eat up space with it. */
5448 u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = {
5449 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5450 0x00000000, 0x00000000, 0x00000000, 0x00000000
5451 };
5452 #endif
5453
5454 #define RX_CPU_SCRATCH_BASE 0x30000
5455 #define RX_CPU_SCRATCH_SIZE 0x04000
5456 #define TX_CPU_SCRATCH_BASE 0x34000
5457 #define TX_CPU_SCRATCH_SIZE 0x04000
5458
5459 /* tp->lock is held. */
5460 static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
5461 {
5462 int i;
5463
5464 BUG_ON(offset == TX_CPU_BASE &&
5465 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
5466
5467 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
5468 u32 val = tr32(GRC_VCPU_EXT_CTRL);
5469
5470 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
5471 return 0;
5472 }
5473 if (offset == RX_CPU_BASE) {
5474 for (i = 0; i < 10000; i++) {
5475 tw32(offset + CPU_STATE, 0xffffffff);
5476 tw32(offset + CPU_MODE, CPU_MODE_HALT);
5477 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5478 break;
5479 }
5480
5481 tw32(offset + CPU_STATE, 0xffffffff);
5482 tw32_f(offset + CPU_MODE, CPU_MODE_HALT);
5483 udelay(10);
5484 } else {
5485 for (i = 0; i < 10000; i++) {
5486 tw32(offset + CPU_STATE, 0xffffffff);
5487 tw32(offset + CPU_MODE, CPU_MODE_HALT);
5488 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5489 break;
5490 }
5491 }
5492
5493 if (i >= 10000) {
5494 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
5495 "and %s CPU\n",
5496 tp->dev->name,
5497 (offset == RX_CPU_BASE ? "RX" : "TX"));
5498 return -ENODEV;
5499 }
5500
5501 /* Clear firmware's nvram arbitration. */
5502 if (tp->tg3_flags & TG3_FLAG_NVRAM)
5503 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
5504 return 0;
5505 }
5506
5507 struct fw_info {
5508 unsigned int text_base;
5509 unsigned int text_len;
5510 const u32 *text_data;
5511 unsigned int rodata_base;
5512 unsigned int rodata_len;
5513 const u32 *rodata_data;
5514 unsigned int data_base;
5515 unsigned int data_len;
5516 const u32 *data_data;
5517 };
5518
5519 /* tp->lock is held. */
5520 static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
5521 int cpu_scratch_size, struct fw_info *info)
5522 {
5523 int err, lock_err, i;
5524 void (*write_op)(struct tg3 *, u32, u32);
5525
5526 if (cpu_base == TX_CPU_BASE &&
5527 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5528 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
5529 "TX cpu firmware on %s which is 5705.\n",
5530 tp->dev->name);
5531 return -EINVAL;
5532 }
5533
5534 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
5535 write_op = tg3_write_mem;
5536 else
5537 write_op = tg3_write_indirect_reg32;
5538
5539 /* It is possible that bootcode is still loading at this point.
5540 * Get the nvram lock first before halting the cpu.
5541 */
5542 lock_err = tg3_nvram_lock(tp);
5543 err = tg3_halt_cpu(tp, cpu_base);
5544 if (!lock_err)
5545 tg3_nvram_unlock(tp);
5546 if (err)
5547 goto out;
5548
5549 for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
5550 write_op(tp, cpu_scratch_base + i, 0);
5551 tw32(cpu_base + CPU_STATE, 0xffffffff);
5552 tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
5553 for (i = 0; i < (info->text_len / sizeof(u32)); i++)
5554 write_op(tp, (cpu_scratch_base +
5555 (info->text_base & 0xffff) +
5556 (i * sizeof(u32))),
5557 (info->text_data ?
5558 info->text_data[i] : 0));
5559 for (i = 0; i < (info->rodata_len / sizeof(u32)); i++)
5560 write_op(tp, (cpu_scratch_base +
5561 (info->rodata_base & 0xffff) +
5562 (i * sizeof(u32))),
5563 (info->rodata_data ?
5564 info->rodata_data[i] : 0));
5565 for (i = 0; i < (info->data_len / sizeof(u32)); i++)
5566 write_op(tp, (cpu_scratch_base +
5567 (info->data_base & 0xffff) +
5568 (i * sizeof(u32))),
5569 (info->data_data ?
5570 info->data_data[i] : 0));
5571
5572 err = 0;
5573
5574 out:
5575 return err;
5576 }
5577
5578 /* tp->lock is held. */
5579 static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
5580 {
5581 struct fw_info info;
5582 int err, i;
5583
5584 info.text_base = TG3_FW_TEXT_ADDR;
5585 info.text_len = TG3_FW_TEXT_LEN;
5586 info.text_data = &tg3FwText[0];
5587 info.rodata_base = TG3_FW_RODATA_ADDR;
5588 info.rodata_len = TG3_FW_RODATA_LEN;
5589 info.rodata_data = &tg3FwRodata[0];
5590 info.data_base = TG3_FW_DATA_ADDR;
5591 info.data_len = TG3_FW_DATA_LEN;
5592 info.data_data = NULL;
5593
5594 err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
5595 RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
5596 &info);
5597 if (err)
5598 return err;
5599
5600 err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
5601 TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
5602 &info);
5603 if (err)
5604 return err;
5605
5606 /* Now startup only the RX cpu. */
5607 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5608 tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
5609
5610 for (i = 0; i < 5; i++) {
5611 if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR)
5612 break;
5613 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5614 tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
5615 tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
5616 udelay(1000);
5617 }
5618 if (i >= 5) {
5619 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
5620 "to set RX CPU PC, is %08x should be %08x\n",
5621 tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
5622 TG3_FW_TEXT_ADDR);
5623 return -ENODEV;
5624 }
5625 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5626 tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000);
5627
5628 return 0;
5629 }
5630
5631
5632 #define TG3_TSO_FW_RELEASE_MAJOR 0x1
5633 #define TG3_TSO_FW_RELASE_MINOR 0x6
5634 #define TG3_TSO_FW_RELEASE_FIX 0x0
5635 #define TG3_TSO_FW_START_ADDR 0x08000000
5636 #define TG3_TSO_FW_TEXT_ADDR 0x08000000
5637 #define TG3_TSO_FW_TEXT_LEN 0x1aa0
5638 #define TG3_TSO_FW_RODATA_ADDR 0x08001aa0
5639 #define TG3_TSO_FW_RODATA_LEN 0x60
5640 #define TG3_TSO_FW_DATA_ADDR 0x08001b20
5641 #define TG3_TSO_FW_DATA_LEN 0x30
5642 #define TG3_TSO_FW_SBSS_ADDR 0x08001b50
5643 #define TG3_TSO_FW_SBSS_LEN 0x2c
5644 #define TG3_TSO_FW_BSS_ADDR 0x08001b80
5645 #define TG3_TSO_FW_BSS_LEN 0x894
5646
5647 static const u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = {
5648 0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000,
5649 0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800,
5650 0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5651 0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800,
5652 0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001,
5653 0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c,
5654 0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001,
5655 0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008,
5656 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c,
5657 0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001,
5658 0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000,
5659 0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001,
5660 0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800,
5661 0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c,
5662 0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008,
5663 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021,
5664 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800,
5665 0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c,
5666 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5667 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800,
5668 0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8,
5669 0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8,
5670 0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90,
5671 0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068,
5672 0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c,
5673 0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021,
5674 0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008,
5675 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021,
5676 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b,
5677 0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5678 0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008,
5679 0xaf636820, 0x27bdffd0, 0xafbf002c, 0xafb60028, 0xafb50024, 0xafb40020,
5680 0xafb3001c, 0xafb20018, 0xafb10014, 0xafb00010, 0x8f675c5c, 0x3c030800,
5681 0x24631bbc, 0x8c620000, 0x14470005, 0x3c0200ff, 0x3c020800, 0x90421b98,
5682 0x14400119, 0x3c0200ff, 0x3442fff8, 0x00e28824, 0xac670000, 0x00111902,
5683 0x306300ff, 0x30e20003, 0x000211c0, 0x00622825, 0x00a04021, 0x00071602,
5684 0x3c030800, 0x90631b98, 0x3044000f, 0x14600036, 0x00804821, 0x24020001,
5685 0x3c010800, 0xa0221b98, 0x00051100, 0x00821025, 0x3c010800, 0xac201b9c,
5686 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5687 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bb0, 0x3c010800, 0xac201bb4,
5688 0x3c010800, 0xa42223d8, 0x9622000c, 0x30437fff, 0x3c010800, 0xa4222410,
5689 0x30428000, 0x3c010800, 0xa4231bc6, 0x10400005, 0x24020001, 0x3c010800,
5690 0xac2223f4, 0x0a000102, 0x2406003e, 0x24060036, 0x3c010800, 0xac2023f4,
5691 0x9622000a, 0x3c030800, 0x94631bc6, 0x3c010800, 0xac2023f0, 0x3c010800,
5692 0xac2023f8, 0x00021302, 0x00021080, 0x00c21021, 0x00621821, 0x3c010800,
5693 0xa42223d0, 0x3c010800, 0x0a000115, 0xa4231b96, 0x9622000c, 0x3c010800,
5694 0xa42223ec, 0x3c040800, 0x24841b9c, 0x8c820000, 0x00021100, 0x3c010800,
5695 0x00220821, 0xac311bc8, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5696 0xac271bcc, 0x8c820000, 0x25030001, 0x306601ff, 0x00021100, 0x3c010800,
5697 0x00220821, 0xac261bd0, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5698 0xac291bd4, 0x96230008, 0x3c020800, 0x8c421bac, 0x00432821, 0x3c010800,
5699 0xac251bac, 0x9622000a, 0x30420004, 0x14400018, 0x00061100, 0x8f630c14,
5700 0x3063000f, 0x2c620002, 0x1440000b, 0x3c02c000, 0x8f630c14, 0x3c020800,
5701 0x8c421b40, 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002,
5702 0x1040fff7, 0x3c02c000, 0x00e21825, 0xaf635c5c, 0x8f625c50, 0x30420002,
5703 0x10400014, 0x00000000, 0x0a000147, 0x00000000, 0x3c030800, 0x8c631b80,
5704 0x3c040800, 0x94841b94, 0x01221025, 0x3c010800, 0xa42223da, 0x24020001,
5705 0x3c010800, 0xac221bb8, 0x24630001, 0x0085202a, 0x3c010800, 0x10800003,
5706 0xac231b80, 0x3c010800, 0xa4251b94, 0x3c060800, 0x24c61b9c, 0x8cc20000,
5707 0x24420001, 0xacc20000, 0x28420080, 0x14400005, 0x00000000, 0x0e000656,
5708 0x24040002, 0x0a0001e6, 0x00000000, 0x3c020800, 0x8c421bb8, 0x10400078,
5709 0x24020001, 0x3c050800, 0x90a51b98, 0x14a20072, 0x00000000, 0x3c150800,
5710 0x96b51b96, 0x3c040800, 0x8c841bac, 0x32a3ffff, 0x0083102a, 0x1440006c,
5711 0x00000000, 0x14830003, 0x00000000, 0x3c010800, 0xac2523f0, 0x1060005c,
5712 0x00009021, 0x24d60004, 0x0060a021, 0x24d30014, 0x8ec20000, 0x00028100,
5713 0x3c110800, 0x02308821, 0x0e000625, 0x8e311bc8, 0x00402821, 0x10a00054,
5714 0x00000000, 0x9628000a, 0x31020040, 0x10400005, 0x2407180c, 0x8e22000c,
5715 0x2407188c, 0x00021400, 0xaca20018, 0x3c030800, 0x00701821, 0x8c631bd0,
5716 0x3c020800, 0x00501021, 0x8c421bd4, 0x00031d00, 0x00021400, 0x00621825,
5717 0xaca30014, 0x8ec30004, 0x96220008, 0x00432023, 0x3242ffff, 0x3083ffff,
5718 0x00431021, 0x0282102a, 0x14400002, 0x02b23023, 0x00803021, 0x8e620000,
5719 0x30c4ffff, 0x00441021, 0xae620000, 0x8e220000, 0xaca20000, 0x8e220004,
5720 0x8e63fff4, 0x00431021, 0xaca20004, 0xa4a6000e, 0x8e62fff4, 0x00441021,
5721 0xae62fff4, 0x96230008, 0x0043102a, 0x14400005, 0x02469021, 0x8e62fff0,
5722 0xae60fff4, 0x24420001, 0xae62fff0, 0xaca00008, 0x3242ffff, 0x14540008,
5723 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x24020905, 0xa4a2000c,
5724 0x0a0001cb, 0x34e70020, 0xa4a2000c, 0x3c020800, 0x8c4223f0, 0x10400003,
5725 0x3c024b65, 0x0a0001d3, 0x34427654, 0x3c02b49a, 0x344289ab, 0xaca2001c,
5726 0x30e2ffff, 0xaca20010, 0x0e0005a2, 0x00a02021, 0x3242ffff, 0x0054102b,
5727 0x1440ffa9, 0x00000000, 0x24020002, 0x3c010800, 0x0a0001e6, 0xa0221b98,
5728 0x8ec2083c, 0x24420001, 0x0a0001e6, 0xaec2083c, 0x0e0004c0, 0x00000000,
5729 0x8fbf002c, 0x8fb60028, 0x8fb50024, 0x8fb40020, 0x8fb3001c, 0x8fb20018,
5730 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0030, 0x27bdffd0, 0xafbf0028,
5731 0xafb30024, 0xafb20020, 0xafb1001c, 0xafb00018, 0x8f725c9c, 0x3c0200ff,
5732 0x3442fff8, 0x3c070800, 0x24e71bb4, 0x02428824, 0x9623000e, 0x8ce20000,
5733 0x00431021, 0xace20000, 0x8e220010, 0x30420020, 0x14400011, 0x00809821,
5734 0x0e00063b, 0x02202021, 0x3c02c000, 0x02421825, 0xaf635c9c, 0x8f625c90,
5735 0x30420002, 0x1040011e, 0x00000000, 0xaf635c9c, 0x8f625c90, 0x30420002,
5736 0x10400119, 0x00000000, 0x0a00020d, 0x00000000, 0x8e240008, 0x8e230014,
5737 0x00041402, 0x000231c0, 0x00031502, 0x304201ff, 0x2442ffff, 0x3042007f,
5738 0x00031942, 0x30637800, 0x00021100, 0x24424000, 0x00624821, 0x9522000a,
5739 0x3084ffff, 0x30420008, 0x104000b0, 0x000429c0, 0x3c020800, 0x8c422400,
5740 0x14400024, 0x24c50008, 0x94c20014, 0x3c010800, 0xa42223d0, 0x8cc40010,
5741 0x00041402, 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42423d4, 0x94c2000e,
5742 0x3083ffff, 0x00431023, 0x3c010800, 0xac222408, 0x94c2001a, 0x3c010800,
5743 0xac262400, 0x3c010800, 0xac322404, 0x3c010800, 0xac2223fc, 0x3c02c000,
5744 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e5, 0x00000000,
5745 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e0, 0x00000000, 0x0a000246,
5746 0x00000000, 0x94c2000e, 0x3c030800, 0x946323d4, 0x00434023, 0x3103ffff,
5747 0x2c620008, 0x1040001c, 0x00000000, 0x94c20014, 0x24420028, 0x00a22821,
5748 0x00031042, 0x1840000b, 0x00002021, 0x24e60848, 0x00403821, 0x94a30000,
5749 0x8cc20000, 0x24840001, 0x00431021, 0xacc20000, 0x0087102a, 0x1440fff9,
5750 0x24a50002, 0x31020001, 0x1040001f, 0x3c024000, 0x3c040800, 0x248423fc,
5751 0xa0a00001, 0x94a30000, 0x8c820000, 0x00431021, 0x0a000285, 0xac820000,
5752 0x8f626800, 0x3c030010, 0x00431024, 0x10400009, 0x00000000, 0x94c2001a,
5753 0x3c030800, 0x8c6323fc, 0x00431021, 0x3c010800, 0xac2223fc, 0x0a000286,
5754 0x3c024000, 0x94c2001a, 0x94c4001c, 0x3c030800, 0x8c6323fc, 0x00441023,
5755 0x00621821, 0x3c010800, 0xac2323fc, 0x3c024000, 0x02421825, 0xaf635c9c,
5756 0x8f625c90, 0x30420002, 0x1440fffc, 0x00000000, 0x9522000a, 0x30420010,
5757 0x1040009b, 0x00000000, 0x3c030800, 0x946323d4, 0x3c070800, 0x24e72400,
5758 0x8ce40000, 0x8f626800, 0x24630030, 0x00832821, 0x3c030010, 0x00431024,
5759 0x1440000a, 0x00000000, 0x94a20004, 0x3c040800, 0x8c842408, 0x3c030800,
5760 0x8c6323fc, 0x00441023, 0x00621821, 0x3c010800, 0xac2323fc, 0x3c040800,
5761 0x8c8423fc, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, 0x00822021,
5762 0x00041027, 0xa4a20006, 0x3c030800, 0x8c632404, 0x3c0200ff, 0x3442fff8,
5763 0x00628824, 0x96220008, 0x24050001, 0x24034000, 0x000231c0, 0x00801021,
5764 0xa4c2001a, 0xa4c0001c, 0xace00000, 0x3c010800, 0xac251b60, 0xaf635cb8,
5765 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000, 0x3c010800, 0xac201b60,
5766 0x8e220008, 0xaf625cb8, 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000,
5767 0x3c010800, 0xac201b60, 0x3c020800, 0x8c421b60, 0x1040ffec, 0x00000000,
5768 0x3c040800, 0x0e00063b, 0x8c842404, 0x0a00032a, 0x00000000, 0x3c030800,
5769 0x90631b98, 0x24020002, 0x14620003, 0x3c034b65, 0x0a0002e1, 0x00008021,
5770 0x8e22001c, 0x34637654, 0x10430002, 0x24100002, 0x24100001, 0x00c02021,
5771 0x0e000350, 0x02003021, 0x24020003, 0x3c010800, 0xa0221b98, 0x24020002,
5772 0x1202000a, 0x24020001, 0x3c030800, 0x8c6323f0, 0x10620006, 0x00000000,
5773 0x3c020800, 0x944223d8, 0x00021400, 0x0a00031f, 0xae220014, 0x3c040800,
5774 0x248423da, 0x94820000, 0x00021400, 0xae220014, 0x3c020800, 0x8c421bbc,
5775 0x3c03c000, 0x3c010800, 0xa0201b98, 0x00431025, 0xaf625c5c, 0x8f625c50,
5776 0x30420002, 0x10400009, 0x00000000, 0x2484f7e2, 0x8c820000, 0x00431025,
5777 0xaf625c5c, 0x8f625c50, 0x30420002, 0x1440fffa, 0x00000000, 0x3c020800,
5778 0x24421b84, 0x8c430000, 0x24630001, 0xac430000, 0x8f630c14, 0x3063000f,
5779 0x2c620002, 0x1440000c, 0x3c024000, 0x8f630c14, 0x3c020800, 0x8c421b40,
5780 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7,
5781 0x00000000, 0x3c024000, 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002,
5782 0x1440fffc, 0x00000000, 0x12600003, 0x00000000, 0x0e0004c0, 0x00000000,
5783 0x8fbf0028, 0x8fb30024, 0x8fb20020, 0x8fb1001c, 0x8fb00018, 0x03e00008,
5784 0x27bd0030, 0x8f634450, 0x3c040800, 0x24841b88, 0x8c820000, 0x00031c02,
5785 0x0043102b, 0x14400007, 0x3c038000, 0x8c840004, 0x8f624450, 0x00021c02,
5786 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5787 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3c024000,
5788 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00000000,
5789 0x03e00008, 0x00000000, 0x27bdffe0, 0x00805821, 0x14c00011, 0x256e0008,
5790 0x3c020800, 0x8c4223f4, 0x10400007, 0x24020016, 0x3c010800, 0xa42223d2,
5791 0x2402002a, 0x3c010800, 0x0a000364, 0xa42223d4, 0x8d670010, 0x00071402,
5792 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42723d4, 0x3c040800, 0x948423d4,
5793 0x3c030800, 0x946323d2, 0x95cf0006, 0x3c020800, 0x944223d0, 0x00832023,
5794 0x01e2c023, 0x3065ffff, 0x24a20028, 0x01c24821, 0x3082ffff, 0x14c0001a,
5795 0x01226021, 0x9582000c, 0x3042003f, 0x3c010800, 0xa42223d6, 0x95820004,
5796 0x95830006, 0x3c010800, 0xac2023e4, 0x3c010800, 0xac2023e8, 0x00021400,
5797 0x00431025, 0x3c010800, 0xac221bc0, 0x95220004, 0x3c010800, 0xa4221bc4,
5798 0x95230002, 0x01e51023, 0x0043102a, 0x10400010, 0x24020001, 0x3c010800,
5799 0x0a000398, 0xac2223f8, 0x3c030800, 0x8c6323e8, 0x3c020800, 0x94421bc4,
5800 0x00431021, 0xa5220004, 0x3c020800, 0x94421bc0, 0xa5820004, 0x3c020800,
5801 0x8c421bc0, 0xa5820006, 0x3c020800, 0x8c4223f0, 0x3c0d0800, 0x8dad23e4,
5802 0x3c0a0800, 0x144000e5, 0x8d4a23e8, 0x3c020800, 0x94421bc4, 0x004a1821,
5803 0x3063ffff, 0x0062182b, 0x24020002, 0x10c2000d, 0x01435023, 0x3c020800,
5804 0x944223d6, 0x30420009, 0x10400008, 0x00000000, 0x9582000c, 0x3042fff6,
5805 0xa582000c, 0x3c020800, 0x944223d6, 0x30420009, 0x01a26823, 0x3c020800,
5806 0x8c4223f8, 0x1040004a, 0x01203821, 0x3c020800, 0x944223d2, 0x00004021,
5807 0xa520000a, 0x01e21023, 0xa5220002, 0x3082ffff, 0x00021042, 0x18400008,
5808 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, 0x0103102a,
5809 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061402,
5810 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, 0x2527000c,
5811 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, 0x1440fffb,
5812 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, 0x01803821,
5813 0x3082ffff, 0xa4e00010, 0x00621821, 0x00021042, 0x18400010, 0x00c33021,
5814 0x00404821, 0x94e20000, 0x24e70002, 0x00c23021, 0x30e2007f, 0x14400006,
5815 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, 0x00625824, 0x25670008,
5816 0x0109102a, 0x1440fff3, 0x00000000, 0x30820001, 0x10400005, 0x00061c02,
5817 0xa0e00001, 0x94e20000, 0x00c23021, 0x00061c02, 0x30c2ffff, 0x00623021,
5818 0x00061402, 0x00c23021, 0x0a00047d, 0x30c6ffff, 0x24020002, 0x14c20081,
5819 0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800,
5820 0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800,
5821 0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a,
5822 0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02,
5823 0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821,
5824 0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023,
5825 0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff,
5826 0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042,
5827 0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021,
5828 0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021,
5829 0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021,
5830 0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004,
5831 0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023,
5832 0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821,
5833 0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800,
5834 0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043,
5835 0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021,
5836 0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80,
5837 0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800,
5838 0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff,
5839 0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010,
5840 0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007,
5841 0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402,
5842 0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff,
5843 0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021,
5844 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff,
5845 0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005,
5846 0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800,
5847 0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4,
5848 0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b,
5849 0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4,
5850 0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800,
5851 0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034,
5852 0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000,
5853 0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac,
5854 0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022,
5855 0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000,
5856 0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0,
5857 0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021,
5858 0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000,
5859 0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc,
5860 0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005,
5861 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080,
5862 0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800,
5863 0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014,
5864 0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823,
5865 0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021,
5866 0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010,
5867 0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5,
5868 0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5869 0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021,
5870 0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c,
5871 0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005,
5872 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800,
5873 0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500,
5874 0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023,
5875 0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821,
5876 0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000,
5877 0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021,
5878 0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006,
5879 0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0,
5880 0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006,
5881 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905,
5882 0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860,
5883 0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab,
5884 0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff,
5885 0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5886 0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038,
5887 0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020,
5888 0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450,
5889 0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003,
5890 0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff,
5891 0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002,
5892 0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f,
5893 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000,
5894 0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820,
5895 0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4,
5896 0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000,
5897 0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010,
5898 0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50,
5899 0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002,
5900 0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff,
5901 0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8,
5902 0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438,
5903 0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800,
5904 0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800,
5905 0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000,
5906 0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000,
5907 0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021,
5908 0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe,
5909 0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008,
5910 0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b,
5911 0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02,
5912 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5913 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff,
5914 0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff,
5915 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021,
5916 0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651,
5917 0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000,
5918 0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0,
5919 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014,
5920 0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000,
5921 0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000,
5922 0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800,
5923 0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b,
5924 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010,
5925 0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001,
5926 0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800,
5927 0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000,
5928 0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008,
5929 0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74,
5930 0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010,
5931 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000,
5932 };
5933
5934 static const u32 tg3TsoFwRodata[] = {
5935 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5936 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f,
5937 0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000,
5938 0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000,
5939 0x00000000,
5940 };
5941
5942 static const u32 tg3TsoFwData[] = {
5943 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000,
5944 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5945 0x00000000,
5946 };
5947
5948 /* 5705 needs a special version of the TSO firmware. */
5949 #define TG3_TSO5_FW_RELEASE_MAJOR 0x1
5950 #define TG3_TSO5_FW_RELASE_MINOR 0x2
5951 #define TG3_TSO5_FW_RELEASE_FIX 0x0
5952 #define TG3_TSO5_FW_START_ADDR 0x00010000
5953 #define TG3_TSO5_FW_TEXT_ADDR 0x00010000
5954 #define TG3_TSO5_FW_TEXT_LEN 0xe90
5955 #define TG3_TSO5_FW_RODATA_ADDR 0x00010e90
5956 #define TG3_TSO5_FW_RODATA_LEN 0x50
5957 #define TG3_TSO5_FW_DATA_ADDR 0x00010f00
5958 #define TG3_TSO5_FW_DATA_LEN 0x20
5959 #define TG3_TSO5_FW_SBSS_ADDR 0x00010f20
5960 #define TG3_TSO5_FW_SBSS_LEN 0x28
5961 #define TG3_TSO5_FW_BSS_ADDR 0x00010f50
5962 #define TG3_TSO5_FW_BSS_LEN 0x88
5963
5964 static const u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = {
5965 0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000,
5966 0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001,
5967 0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5968 0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001,
5969 0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001,
5970 0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378,
5971 0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5972 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014,
5973 0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400,
5974 0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000,
5975 0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200,
5976 0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000,
5977 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020,
5978 0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821,
5979 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130,
5980 0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018,
5981 0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60,
5982 0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821,
5983 0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000,
5984 0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028,
5985 0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402,
5986 0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014,
5987 0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff,
5988 0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b,
5989 0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004,
5990 0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8,
5991 0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001,
5992 0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021,
5993 0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2,
5994 0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a,
5995 0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5996 0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001,
5997 0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001,
5998 0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021,
5999 0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000,
6000 0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c,
6001 0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005,
6002 0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006,
6003 0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c,
6004 0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c,
6005 0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021,
6006 0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001,
6007 0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b,
6008 0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c,
6009 0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76,
6010 0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c,
6011 0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70,
6012 0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c,
6013 0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72,
6014 0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff,
6015 0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78,
6016 0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78,
6017 0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005,
6018 0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d,
6019 0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005,
6020 0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027,
6021 0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d,
6022 0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff,
6023 0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001,
6024 0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000,
6025 0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a,
6026 0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff,
6027 0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001,
6028 0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200,
6029 0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001,
6030 0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021,
6031 0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
6032 0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00,
6033 0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001,
6034 0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000,
6035 0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003,
6036 0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001,
6037 0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56,
6038 0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4,
6039 0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64,
6040 0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088,
6041 0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001,
6042 0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57,
6043 0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001,
6044 0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001,
6045 0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000,
6046 0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001,
6047 0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823,
6048 0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001,
6049 0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001,
6050 0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001,
6051 0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021,
6052 0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008,
6053 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4,
6054 0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001,
6055 0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001,
6056 0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec,
6057 0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000,
6058 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024,
6059 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024,
6060 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000,
6061 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000,
6062 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003,
6063 0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001,
6064 0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001,
6065 0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff,
6066 0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c,
6067 0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54,
6068 0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001,
6069 0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624,
6070 0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624,
6071 0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
6072 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
6073 0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283,
6074 0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825,
6075 0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003,
6076 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7,
6077 0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c,
6078 0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009,
6079 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025,
6080 0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008,
6081 0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021,
6082 0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
6083 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
6084 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014,
6085 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001,
6086 0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010,
6087 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001,
6088 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020,
6089 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804,
6090 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20,
6091 0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315,
6092 0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005,
6093 0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001,
6094 0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001,
6095 0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014,
6096 0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8,
6097 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000,
6098 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008,
6099 0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008,
6100 0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b,
6101 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd,
6102 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000,
6103 0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025,
6104 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008,
6105 0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff,
6106 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008,
6107 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021,
6108 0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f,
6109 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600,
6110 0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40,
6111 0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000,
6112 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
6113 0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44,
6114 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003,
6115 0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001,
6116 0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
6117 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c,
6118 0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008,
6119 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
6120 0x00000000, 0x00000000, 0x00000000,
6121 };
6122
6123 static const u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = {
6124 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
6125 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000,
6126 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
6127 0x00000000, 0x00000000, 0x00000000,
6128 };
6129
6130 static const u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = {
6131 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000,
6132 0x00000000, 0x00000000, 0x00000000,
6133 };
6134
6135 /* tp->lock is held. */
6136 static int tg3_load_tso_firmware(struct tg3 *tp)
6137 {
6138 struct fw_info info;
6139 unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
6140 int err, i;
6141
6142 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6143 return 0;
6144
6145 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
6146 info.text_base = TG3_TSO5_FW_TEXT_ADDR;
6147 info.text_len = TG3_TSO5_FW_TEXT_LEN;
6148 info.text_data = &tg3Tso5FwText[0];
6149 info.rodata_base = TG3_TSO5_FW_RODATA_ADDR;
6150 info.rodata_len = TG3_TSO5_FW_RODATA_LEN;
6151 info.rodata_data = &tg3Tso5FwRodata[0];
6152 info.data_base = TG3_TSO5_FW_DATA_ADDR;
6153 info.data_len = TG3_TSO5_FW_DATA_LEN;
6154 info.data_data = &tg3Tso5FwData[0];
6155 cpu_base = RX_CPU_BASE;
6156 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
6157 cpu_scratch_size = (info.text_len +
6158 info.rodata_len +
6159 info.data_len +
6160 TG3_TSO5_FW_SBSS_LEN +
6161 TG3_TSO5_FW_BSS_LEN);
6162 } else {
6163 info.text_base = TG3_TSO_FW_TEXT_ADDR;
6164 info.text_len = TG3_TSO_FW_TEXT_LEN;
6165 info.text_data = &tg3TsoFwText[0];
6166 info.rodata_base = TG3_TSO_FW_RODATA_ADDR;
6167 info.rodata_len = TG3_TSO_FW_RODATA_LEN;
6168 info.rodata_data = &tg3TsoFwRodata[0];
6169 info.data_base = TG3_TSO_FW_DATA_ADDR;
6170 info.data_len = TG3_TSO_FW_DATA_LEN;
6171 info.data_data = &tg3TsoFwData[0];
6172 cpu_base = TX_CPU_BASE;
6173 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
6174 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
6175 }
6176
6177 err = tg3_load_firmware_cpu(tp, cpu_base,
6178 cpu_scratch_base, cpu_scratch_size,
6179 &info);
6180 if (err)
6181 return err;
6182
6183 /* Now startup the cpu. */
6184 tw32(cpu_base + CPU_STATE, 0xffffffff);
6185 tw32_f(cpu_base + CPU_PC, info.text_base);
6186
6187 for (i = 0; i < 5; i++) {
6188 if (tr32(cpu_base + CPU_PC) == info.text_base)
6189 break;
6190 tw32(cpu_base + CPU_STATE, 0xffffffff);
6191 tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
6192 tw32_f(cpu_base + CPU_PC, info.text_base);
6193 udelay(1000);
6194 }
6195 if (i >= 5) {
6196 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
6197 "to set CPU PC, is %08x should be %08x\n",
6198 tp->dev->name, tr32(cpu_base + CPU_PC),
6199 info.text_base);
6200 return -ENODEV;
6201 }
6202 tw32(cpu_base + CPU_STATE, 0xffffffff);
6203 tw32_f(cpu_base + CPU_MODE, 0x00000000);
6204 return 0;
6205 }
6206
6207
6208 /* tp->lock is held. */
6209 static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1)
6210 {
6211 u32 addr_high, addr_low;
6212 int i;
6213
6214 addr_high = ((tp->dev->dev_addr[0] << 8) |
6215 tp->dev->dev_addr[1]);
6216 addr_low = ((tp->dev->dev_addr[2] << 24) |
6217 (tp->dev->dev_addr[3] << 16) |
6218 (tp->dev->dev_addr[4] << 8) |
6219 (tp->dev->dev_addr[5] << 0));
6220 for (i = 0; i < 4; i++) {
6221 if (i == 1 && skip_mac_1)
6222 continue;
6223 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
6224 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
6225 }
6226
6227 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
6228 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
6229 for (i = 0; i < 12; i++) {
6230 tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
6231 tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
6232 }
6233 }
6234
6235 addr_high = (tp->dev->dev_addr[0] +
6236 tp->dev->dev_addr[1] +
6237 tp->dev->dev_addr[2] +
6238 tp->dev->dev_addr[3] +
6239 tp->dev->dev_addr[4] +
6240 tp->dev->dev_addr[5]) &
6241 TX_BACKOFF_SEED_MASK;
6242 tw32(MAC_TX_BACKOFF_SEED, addr_high);
6243 }
6244
6245 static int tg3_set_mac_addr(struct net_device *dev, void *p)
6246 {
6247 struct tg3 *tp = netdev_priv(dev);
6248 struct sockaddr *addr = p;
6249 int err = 0, skip_mac_1 = 0;
6250
6251 if (!is_valid_ether_addr(addr->sa_data))
6252 return -EINVAL;
6253
6254 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
6255
6256 if (!netif_running(dev))
6257 return 0;
6258
6259 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6260 u32 addr0_high, addr0_low, addr1_high, addr1_low;
6261
6262 addr0_high = tr32(MAC_ADDR_0_HIGH);
6263 addr0_low = tr32(MAC_ADDR_0_LOW);
6264 addr1_high = tr32(MAC_ADDR_1_HIGH);
6265 addr1_low = tr32(MAC_ADDR_1_LOW);
6266
6267 /* Skip MAC addr 1 if ASF is using it. */
6268 if ((addr0_high != addr1_high || addr0_low != addr1_low) &&
6269 !(addr1_high == 0 && addr1_low == 0))
6270 skip_mac_1 = 1;
6271 }
6272 spin_lock_bh(&tp->lock);
6273 __tg3_set_mac_addr(tp, skip_mac_1);
6274 spin_unlock_bh(&tp->lock);
6275
6276 return err;
6277 }
6278
6279 /* tp->lock is held. */
6280 static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
6281 dma_addr_t mapping, u32 maxlen_flags,
6282 u32 nic_addr)
6283 {
6284 tg3_write_mem(tp,
6285 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
6286 ((u64) mapping >> 32));
6287 tg3_write_mem(tp,
6288 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
6289 ((u64) mapping & 0xffffffff));
6290 tg3_write_mem(tp,
6291 (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
6292 maxlen_flags);
6293
6294 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6295 tg3_write_mem(tp,
6296 (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
6297 nic_addr);
6298 }
6299
6300 static void __tg3_set_rx_mode(struct net_device *);
6301 static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
6302 {
6303 tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
6304 tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
6305 tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
6306 tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
6307 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6308 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
6309 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
6310 }
6311 tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
6312 tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
6313 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6314 u32 val = ec->stats_block_coalesce_usecs;
6315
6316 if (!netif_carrier_ok(tp->dev))
6317 val = 0;
6318
6319 tw32(HOSTCC_STAT_COAL_TICKS, val);
6320 }
6321 }
6322
6323 /* tp->lock is held. */
6324 static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
6325 {
6326 u32 val, rdmac_mode;
6327 int i, err, limit;
6328
6329 tg3_disable_ints(tp);
6330
6331 tg3_stop_fw(tp);
6332
6333 tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
6334
6335 if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
6336 tg3_abort_hw(tp, 1);
6337 }
6338
6339 if (reset_phy)
6340 tg3_phy_reset(tp);
6341
6342 err = tg3_chip_reset(tp);
6343 if (err)
6344 return err;
6345
6346 tg3_write_sig_legacy(tp, RESET_KIND_INIT);
6347
6348 if (tp->pci_chip_rev_id == CHIPREV_ID_5784_A0) {
6349 val = tr32(TG3_CPMU_CTRL);
6350 val &= ~(CPMU_CTRL_LINK_AWARE_MODE | CPMU_CTRL_LINK_IDLE_MODE);
6351 tw32(TG3_CPMU_CTRL, val);
6352 }
6353
6354 /* This works around an issue with Athlon chipsets on
6355 * B3 tigon3 silicon. This bit has no effect on any
6356 * other revision. But do not set this on PCI Express
6357 * chips and don't even touch the clocks if the CPMU is present.
6358 */
6359 if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)) {
6360 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
6361 tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
6362 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6363 }
6364
6365 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6366 (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
6367 val = tr32(TG3PCI_PCISTATE);
6368 val |= PCISTATE_RETRY_SAME_DMA;
6369 tw32(TG3PCI_PCISTATE, val);
6370 }
6371
6372 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
6373 /* Allow reads and writes to the
6374 * APE register and memory space.
6375 */
6376 val = tr32(TG3PCI_PCISTATE);
6377 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
6378 PCISTATE_ALLOW_APE_SHMEM_WR;
6379 tw32(TG3PCI_PCISTATE, val);
6380 }
6381
6382 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
6383 /* Enable some hw fixes. */
6384 val = tr32(TG3PCI_MSI_DATA);
6385 val |= (1 << 26) | (1 << 28) | (1 << 29);
6386 tw32(TG3PCI_MSI_DATA, val);
6387 }
6388
6389 /* Descriptor ring init may make accesses to the
6390 * NIC SRAM area to setup the TX descriptors, so we
6391 * can only do this after the hardware has been
6392 * successfully reset.
6393 */
6394 err = tg3_init_rings(tp);
6395 if (err)
6396 return err;
6397
6398 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
6399 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) {
6400 /* This value is determined during the probe time DMA
6401 * engine test, tg3_test_dma.
6402 */
6403 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
6404 }
6405
6406 tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
6407 GRC_MODE_4X_NIC_SEND_RINGS |
6408 GRC_MODE_NO_TX_PHDR_CSUM |
6409 GRC_MODE_NO_RX_PHDR_CSUM);
6410 tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
6411
6412 /* Pseudo-header checksum is done by hardware logic and not
6413 * the offload processers, so make the chip do the pseudo-
6414 * header checksums on receive. For transmit it is more
6415 * convenient to do the pseudo-header checksum in software
6416 * as Linux does that on transmit for us in all cases.
6417 */
6418 tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
6419
6420 tw32(GRC_MODE,
6421 tp->grc_mode |
6422 (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
6423
6424 /* Setup the timer prescalar register. Clock is always 66Mhz. */
6425 val = tr32(GRC_MISC_CFG);
6426 val &= ~0xff;
6427 val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
6428 tw32(GRC_MISC_CFG, val);
6429
6430 /* Initialize MBUF/DESC pool. */
6431 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
6432 /* Do nothing. */
6433 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
6434 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
6435 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
6436 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
6437 else
6438 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
6439 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
6440 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
6441 }
6442 else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6443 int fw_len;
6444
6445 fw_len = (TG3_TSO5_FW_TEXT_LEN +
6446 TG3_TSO5_FW_RODATA_LEN +
6447 TG3_TSO5_FW_DATA_LEN +
6448 TG3_TSO5_FW_SBSS_LEN +
6449 TG3_TSO5_FW_BSS_LEN);
6450 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
6451 tw32(BUFMGR_MB_POOL_ADDR,
6452 NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
6453 tw32(BUFMGR_MB_POOL_SIZE,
6454 NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
6455 }
6456
6457 if (tp->dev->mtu <= ETH_DATA_LEN) {
6458 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6459 tp->bufmgr_config.mbuf_read_dma_low_water);
6460 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6461 tp->bufmgr_config.mbuf_mac_rx_low_water);
6462 tw32(BUFMGR_MB_HIGH_WATER,
6463 tp->bufmgr_config.mbuf_high_water);
6464 } else {
6465 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6466 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
6467 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6468 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
6469 tw32(BUFMGR_MB_HIGH_WATER,
6470 tp->bufmgr_config.mbuf_high_water_jumbo);
6471 }
6472 tw32(BUFMGR_DMA_LOW_WATER,
6473 tp->bufmgr_config.dma_low_water);
6474 tw32(BUFMGR_DMA_HIGH_WATER,
6475 tp->bufmgr_config.dma_high_water);
6476
6477 tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
6478 for (i = 0; i < 2000; i++) {
6479 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
6480 break;
6481 udelay(10);
6482 }
6483 if (i >= 2000) {
6484 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
6485 tp->dev->name);
6486 return -ENODEV;
6487 }
6488
6489 /* Setup replenish threshold. */
6490 val = tp->rx_pending / 8;
6491 if (val == 0)
6492 val = 1;
6493 else if (val > tp->rx_std_max_post)
6494 val = tp->rx_std_max_post;
6495 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6496 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
6497 tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
6498
6499 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
6500 val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
6501 }
6502
6503 tw32(RCVBDI_STD_THRESH, val);
6504
6505 /* Initialize TG3_BDINFO's at:
6506 * RCVDBDI_STD_BD: standard eth size rx ring
6507 * RCVDBDI_JUMBO_BD: jumbo frame rx ring
6508 * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
6509 *
6510 * like so:
6511 * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
6512 * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
6513 * ring attribute flags
6514 * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
6515 *
6516 * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
6517 * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
6518 *
6519 * The size of each ring is fixed in the firmware, but the location is
6520 * configurable.
6521 */
6522 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6523 ((u64) tp->rx_std_mapping >> 32));
6524 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6525 ((u64) tp->rx_std_mapping & 0xffffffff));
6526 tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
6527 NIC_SRAM_RX_BUFFER_DESC);
6528
6529 /* Don't even try to program the JUMBO/MINI buffer descriptor
6530 * configs on 5705.
6531 */
6532 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6533 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6534 RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
6535 } else {
6536 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6537 RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6538
6539 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
6540 BDINFO_FLAGS_DISABLED);
6541
6542 /* Setup replenish threshold. */
6543 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
6544
6545 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
6546 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6547 ((u64) tp->rx_jumbo_mapping >> 32));
6548 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6549 ((u64) tp->rx_jumbo_mapping & 0xffffffff));
6550 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6551 RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6552 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
6553 NIC_SRAM_RX_JUMBO_BUFFER_DESC);
6554 } else {
6555 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6556 BDINFO_FLAGS_DISABLED);
6557 }
6558
6559 }
6560
6561 /* There is only one send ring on 5705/5750, no need to explicitly
6562 * disable the others.
6563 */
6564 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6565 /* Clear out send RCB ring in SRAM. */
6566 for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
6567 tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6568 BDINFO_FLAGS_DISABLED);
6569 }
6570
6571 tp->tx_prod = 0;
6572 tp->tx_cons = 0;
6573 tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6574 tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6575
6576 tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
6577 tp->tx_desc_mapping,
6578 (TG3_TX_RING_SIZE <<
6579 BDINFO_FLAGS_MAXLEN_SHIFT),
6580 NIC_SRAM_TX_BUFFER_DESC);
6581
6582 /* There is only one receive return ring on 5705/5750, no need
6583 * to explicitly disable the others.
6584 */
6585 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6586 for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
6587 i += TG3_BDINFO_SIZE) {
6588 tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6589 BDINFO_FLAGS_DISABLED);
6590 }
6591 }
6592
6593 tp->rx_rcb_ptr = 0;
6594 tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
6595
6596 tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
6597 tp->rx_rcb_mapping,
6598 (TG3_RX_RCB_RING_SIZE(tp) <<
6599 BDINFO_FLAGS_MAXLEN_SHIFT),
6600 0);
6601
6602 tp->rx_std_ptr = tp->rx_pending;
6603 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
6604 tp->rx_std_ptr);
6605
6606 tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
6607 tp->rx_jumbo_pending : 0;
6608 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
6609 tp->rx_jumbo_ptr);
6610
6611 /* Initialize MAC address and backoff seed. */
6612 __tg3_set_mac_addr(tp, 0);
6613
6614 /* MTU + ethernet header + FCS + optional VLAN tag */
6615 tw32(MAC_RX_MTU_SIZE, tp->dev->mtu + ETH_HLEN + 8);
6616
6617 /* The slot time is changed by tg3_setup_phy if we
6618 * run at gigabit with half duplex.
6619 */
6620 tw32(MAC_TX_LENGTHS,
6621 (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
6622 (6 << TX_LENGTHS_IPG_SHIFT) |
6623 (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
6624
6625 /* Receive rules. */
6626 tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
6627 tw32(RCVLPC_CONFIG, 0x0181);
6628
6629 /* Calculate RDMAC_MODE setting early, we need it to determine
6630 * the RCVLPC_STATE_ENABLE mask.
6631 */
6632 rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
6633 RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
6634 RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
6635 RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
6636 RDMAC_MODE_LNGREAD_ENAB);
6637
6638 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784)
6639 rdmac_mode |= RDMAC_MODE_BD_SBD_CRPT_ENAB |
6640 RDMAC_MODE_MBUF_RBD_CRPT_ENAB |
6641 RDMAC_MODE_MBUF_SBD_CRPT_ENAB;
6642
6643 /* If statement applies to 5705 and 5750 PCI devices only */
6644 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6645 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6646 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
6647 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
6648 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
6649 rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
6650 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6651 !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
6652 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6653 }
6654 }
6655
6656 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6657 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6658
6659 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6660 rdmac_mode |= (1 << 27);
6661
6662 /* Receive/send statistics. */
6663 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
6664 val = tr32(RCVLPC_STATS_ENABLE);
6665 val &= ~RCVLPC_STATSENAB_DACK_FIX;
6666 tw32(RCVLPC_STATS_ENABLE, val);
6667 } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
6668 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
6669 val = tr32(RCVLPC_STATS_ENABLE);
6670 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
6671 tw32(RCVLPC_STATS_ENABLE, val);
6672 } else {
6673 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
6674 }
6675 tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
6676 tw32(SNDDATAI_STATSENAB, 0xffffff);
6677 tw32(SNDDATAI_STATSCTRL,
6678 (SNDDATAI_SCTRL_ENABLE |
6679 SNDDATAI_SCTRL_FASTUPD));
6680
6681 /* Setup host coalescing engine. */
6682 tw32(HOSTCC_MODE, 0);
6683 for (i = 0; i < 2000; i++) {
6684 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
6685 break;
6686 udelay(10);
6687 }
6688
6689 __tg3_set_coalesce(tp, &tp->coal);
6690
6691 /* set status block DMA address */
6692 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6693 ((u64) tp->status_mapping >> 32));
6694 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6695 ((u64) tp->status_mapping & 0xffffffff));
6696
6697 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6698 /* Status/statistics block address. See tg3_timer,
6699 * the tg3_periodic_fetch_stats call there, and
6700 * tg3_get_stats to see how this works for 5705/5750 chips.
6701 */
6702 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6703 ((u64) tp->stats_mapping >> 32));
6704 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6705 ((u64) tp->stats_mapping & 0xffffffff));
6706 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
6707 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
6708 }
6709
6710 tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
6711
6712 tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
6713 tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
6714 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6715 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
6716
6717 /* Clear statistics/status block in chip, and status block in ram. */
6718 for (i = NIC_SRAM_STATS_BLK;
6719 i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
6720 i += sizeof(u32)) {
6721 tg3_write_mem(tp, i, 0);
6722 udelay(40);
6723 }
6724 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
6725
6726 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6727 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
6728 /* reset to prevent losing 1st rx packet intermittently */
6729 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6730 udelay(10);
6731 }
6732
6733 tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
6734 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
6735 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
6736 !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
6737 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
6738 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
6739 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
6740 udelay(40);
6741
6742 /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
6743 * If TG3_FLG2_IS_NIC is zero, we should read the
6744 * register to preserve the GPIO settings for LOMs. The GPIOs,
6745 * whether used as inputs or outputs, are set by boot code after
6746 * reset.
6747 */
6748 if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
6749 u32 gpio_mask;
6750
6751 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
6752 GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
6753 GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
6754
6755 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
6756 gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
6757 GRC_LCLCTRL_GPIO_OUTPUT3;
6758
6759 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6760 gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
6761
6762 tp->grc_local_ctrl &= ~gpio_mask;
6763 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
6764
6765 /* GPIO1 must be driven high for eeprom write protect */
6766 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
6767 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
6768 GRC_LCLCTRL_GPIO_OUTPUT1);
6769 }
6770 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6771 udelay(100);
6772
6773 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
6774 tp->last_tag = 0;
6775
6776 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6777 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
6778 udelay(40);
6779 }
6780
6781 val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
6782 WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
6783 WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
6784 WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
6785 WDMAC_MODE_LNGREAD_ENAB);
6786
6787 /* If statement applies to 5705 and 5750 PCI devices only */
6788 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6789 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6790 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
6791 if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
6792 (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
6793 tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
6794 /* nothing */
6795 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6796 !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
6797 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
6798 val |= WDMAC_MODE_RX_ACCEL;
6799 }
6800 }
6801
6802 /* Enable host coalescing bug fix */
6803 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755) ||
6804 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787) ||
6805 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784) ||
6806 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761))
6807 val |= (1 << 29);
6808
6809 tw32_f(WDMAC_MODE, val);
6810 udelay(40);
6811
6812 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
6813 u16 pcix_cmd;
6814
6815 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6816 &pcix_cmd);
6817 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
6818 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
6819 pcix_cmd |= PCI_X_CMD_READ_2K;
6820 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
6821 pcix_cmd &= ~(PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ);
6822 pcix_cmd |= PCI_X_CMD_READ_2K;
6823 }
6824 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6825 pcix_cmd);
6826 }
6827
6828 tw32_f(RDMAC_MODE, rdmac_mode);
6829 udelay(40);
6830
6831 tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
6832 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6833 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
6834
6835 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
6836 tw32(SNDDATAC_MODE,
6837 SNDDATAC_MODE_ENABLE | SNDDATAC_MODE_CDELAY);
6838 else
6839 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
6840
6841 tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
6842 tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
6843 tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
6844 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
6845 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6846 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
6847 tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
6848 tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
6849
6850 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
6851 err = tg3_load_5701_a0_firmware_fix(tp);
6852 if (err)
6853 return err;
6854 }
6855
6856 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6857 err = tg3_load_tso_firmware(tp);
6858 if (err)
6859 return err;
6860 }
6861
6862 tp->tx_mode = TX_MODE_ENABLE;
6863 tw32_f(MAC_TX_MODE, tp->tx_mode);
6864 udelay(100);
6865
6866 tp->rx_mode = RX_MODE_ENABLE;
6867 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
6868 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
6869 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
6870
6871 tw32_f(MAC_RX_MODE, tp->rx_mode);
6872 udelay(10);
6873
6874 if (tp->link_config.phy_is_low_power) {
6875 tp->link_config.phy_is_low_power = 0;
6876 tp->link_config.speed = tp->link_config.orig_speed;
6877 tp->link_config.duplex = tp->link_config.orig_duplex;
6878 tp->link_config.autoneg = tp->link_config.orig_autoneg;
6879 }
6880
6881 tp->mi_mode = MAC_MI_MODE_BASE;
6882 tw32_f(MAC_MI_MODE, tp->mi_mode);
6883 udelay(80);
6884
6885 tw32(MAC_LED_CTRL, tp->led_ctrl);
6886
6887 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
6888 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6889 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6890 udelay(10);
6891 }
6892 tw32_f(MAC_RX_MODE, tp->rx_mode);
6893 udelay(10);
6894
6895 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6896 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
6897 !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
6898 /* Set drive transmission level to 1.2V */
6899 /* only if the signal pre-emphasis bit is not set */
6900 val = tr32(MAC_SERDES_CFG);
6901 val &= 0xfffff000;
6902 val |= 0x880;
6903 tw32(MAC_SERDES_CFG, val);
6904 }
6905 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
6906 tw32(MAC_SERDES_CFG, 0x616000);
6907 }
6908
6909 /* Prevent chip from dropping frames when flow control
6910 * is enabled.
6911 */
6912 tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
6913
6914 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
6915 (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
6916 /* Use hardware link auto-negotiation */
6917 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
6918 }
6919
6920 if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
6921 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
6922 u32 tmp;
6923
6924 tmp = tr32(SERDES_RX_CTRL);
6925 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
6926 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
6927 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
6928 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6929 }
6930
6931 err = tg3_setup_phy(tp, 0);
6932 if (err)
6933 return err;
6934
6935 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
6936 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
6937 u32 tmp;
6938
6939 /* Clear CRC stats. */
6940 if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
6941 tg3_writephy(tp, MII_TG3_TEST1,
6942 tmp | MII_TG3_TEST1_CRC_EN);
6943 tg3_readphy(tp, 0x14, &tmp);
6944 }
6945 }
6946
6947 __tg3_set_rx_mode(tp->dev);
6948
6949 /* Initialize receive rules. */
6950 tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
6951 tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
6952 tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
6953 tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
6954
6955 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
6956 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
6957 limit = 8;
6958 else
6959 limit = 16;
6960 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
6961 limit -= 4;
6962 switch (limit) {
6963 case 16:
6964 tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
6965 case 15:
6966 tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
6967 case 14:
6968 tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
6969 case 13:
6970 tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
6971 case 12:
6972 tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
6973 case 11:
6974 tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
6975 case 10:
6976 tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
6977 case 9:
6978 tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
6979 case 8:
6980 tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
6981 case 7:
6982 tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
6983 case 6:
6984 tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
6985 case 5:
6986 tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
6987 case 4:
6988 /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
6989 case 3:
6990 /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
6991 case 2:
6992 case 1:
6993
6994 default:
6995 break;
6996 };
6997
6998 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
6999 /* Write our heartbeat update interval to APE. */
7000 tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS,
7001 APE_HOST_HEARTBEAT_INT_DISABLE);
7002
7003 tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
7004
7005 return 0;
7006 }
7007
7008 /* Called at device open time to get the chip ready for
7009 * packet processing. Invoked with tp->lock held.
7010 */
7011 static int tg3_init_hw(struct tg3 *tp, int reset_phy)
7012 {
7013 int err;
7014
7015 /* Force the chip into D0. */
7016 err = tg3_set_power_state(tp, PCI_D0);
7017 if (err)
7018 goto out;
7019
7020 tg3_switch_clocks(tp);
7021
7022 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
7023
7024 err = tg3_reset_hw(tp, reset_phy);
7025
7026 out:
7027 return err;
7028 }
7029
7030 #define TG3_STAT_ADD32(PSTAT, REG) \
7031 do { u32 __val = tr32(REG); \
7032 (PSTAT)->low += __val; \
7033 if ((PSTAT)->low < __val) \
7034 (PSTAT)->high += 1; \
7035 } while (0)
7036
7037 static void tg3_periodic_fetch_stats(struct tg3 *tp)
7038 {
7039 struct tg3_hw_stats *sp = tp->hw_stats;
7040
7041 if (!netif_carrier_ok(tp->dev))
7042 return;
7043
7044 TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
7045 TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
7046 TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
7047 TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
7048 TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
7049 TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
7050 TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
7051 TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
7052 TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
7053 TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
7054 TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
7055 TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
7056 TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
7057
7058 TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
7059 TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
7060 TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
7061 TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
7062 TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
7063 TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
7064 TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
7065 TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
7066 TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
7067 TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
7068 TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
7069 TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
7070 TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
7071 TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
7072
7073 TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
7074 TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
7075 TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
7076 }
7077
7078 static void tg3_timer(unsigned long __opaque)
7079 {
7080 struct tg3 *tp = (struct tg3 *) __opaque;
7081
7082 if (tp->irq_sync)
7083 goto restart_timer;
7084
7085 spin_lock(&tp->lock);
7086
7087 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7088 /* All of this garbage is because when using non-tagged
7089 * IRQ status the mailbox/status_block protocol the chip
7090 * uses with the cpu is race prone.
7091 */
7092 if (tp->hw_status->status & SD_STATUS_UPDATED) {
7093 tw32(GRC_LOCAL_CTRL,
7094 tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
7095 } else {
7096 tw32(HOSTCC_MODE, tp->coalesce_mode |
7097 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
7098 }
7099
7100 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
7101 tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
7102 spin_unlock(&tp->lock);
7103 schedule_work(&tp->reset_task);
7104 return;
7105 }
7106 }
7107
7108 /* This part only runs once per second. */
7109 if (!--tp->timer_counter) {
7110 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
7111 tg3_periodic_fetch_stats(tp);
7112
7113 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
7114 u32 mac_stat;
7115 int phy_event;
7116
7117 mac_stat = tr32(MAC_STATUS);
7118
7119 phy_event = 0;
7120 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
7121 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
7122 phy_event = 1;
7123 } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
7124 phy_event = 1;
7125
7126 if (phy_event)
7127 tg3_setup_phy(tp, 0);
7128 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
7129 u32 mac_stat = tr32(MAC_STATUS);
7130 int need_setup = 0;
7131
7132 if (netif_carrier_ok(tp->dev) &&
7133 (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
7134 need_setup = 1;
7135 }
7136 if (! netif_carrier_ok(tp->dev) &&
7137 (mac_stat & (MAC_STATUS_PCS_SYNCED |
7138 MAC_STATUS_SIGNAL_DET))) {
7139 need_setup = 1;
7140 }
7141 if (need_setup) {
7142 if (!tp->serdes_counter) {
7143 tw32_f(MAC_MODE,
7144 (tp->mac_mode &
7145 ~MAC_MODE_PORT_MODE_MASK));
7146 udelay(40);
7147 tw32_f(MAC_MODE, tp->mac_mode);
7148 udelay(40);
7149 }
7150 tg3_setup_phy(tp, 0);
7151 }
7152 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
7153 tg3_serdes_parallel_detect(tp);
7154
7155 tp->timer_counter = tp->timer_multiplier;
7156 }
7157
7158 /* Heartbeat is only sent once every 2 seconds.
7159 *
7160 * The heartbeat is to tell the ASF firmware that the host
7161 * driver is still alive. In the event that the OS crashes,
7162 * ASF needs to reset the hardware to free up the FIFO space
7163 * that may be filled with rx packets destined for the host.
7164 * If the FIFO is full, ASF will no longer function properly.
7165 *
7166 * Unintended resets have been reported on real time kernels
7167 * where the timer doesn't run on time. Netpoll will also have
7168 * same problem.
7169 *
7170 * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
7171 * to check the ring condition when the heartbeat is expiring
7172 * before doing the reset. This will prevent most unintended
7173 * resets.
7174 */
7175 if (!--tp->asf_counter) {
7176 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
7177 u32 val;
7178
7179 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
7180 FWCMD_NICDRV_ALIVE3);
7181 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
7182 /* 5 seconds timeout */
7183 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
7184 val = tr32(GRC_RX_CPU_EVENT);
7185 val |= (1 << 14);
7186 tw32(GRC_RX_CPU_EVENT, val);
7187 }
7188 tp->asf_counter = tp->asf_multiplier;
7189 }
7190
7191 spin_unlock(&tp->lock);
7192
7193 restart_timer:
7194 tp->timer.expires = jiffies + tp->timer_offset;
7195 add_timer(&tp->timer);
7196 }
7197
7198 static int tg3_request_irq(struct tg3 *tp)
7199 {
7200 irq_handler_t fn;
7201 unsigned long flags;
7202 struct net_device *dev = tp->dev;
7203
7204 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7205 fn = tg3_msi;
7206 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
7207 fn = tg3_msi_1shot;
7208 flags = IRQF_SAMPLE_RANDOM;
7209 } else {
7210 fn = tg3_interrupt;
7211 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
7212 fn = tg3_interrupt_tagged;
7213 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
7214 }
7215 return (request_irq(tp->pdev->irq, fn, flags, dev->name, dev));
7216 }
7217
7218 static int tg3_test_interrupt(struct tg3 *tp)
7219 {
7220 struct net_device *dev = tp->dev;
7221 int err, i, intr_ok = 0;
7222
7223 if (!netif_running(dev))
7224 return -ENODEV;
7225
7226 tg3_disable_ints(tp);
7227
7228 free_irq(tp->pdev->irq, dev);
7229
7230 err = request_irq(tp->pdev->irq, tg3_test_isr,
7231 IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
7232 if (err)
7233 return err;
7234
7235 tp->hw_status->status &= ~SD_STATUS_UPDATED;
7236 tg3_enable_ints(tp);
7237
7238 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
7239 HOSTCC_MODE_NOW);
7240
7241 for (i = 0; i < 5; i++) {
7242 u32 int_mbox, misc_host_ctrl;
7243
7244 int_mbox = tr32_mailbox(MAILBOX_INTERRUPT_0 +
7245 TG3_64BIT_REG_LOW);
7246 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
7247
7248 if ((int_mbox != 0) ||
7249 (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
7250 intr_ok = 1;
7251 break;
7252 }
7253
7254 msleep(10);
7255 }
7256
7257 tg3_disable_ints(tp);
7258
7259 free_irq(tp->pdev->irq, dev);
7260
7261 err = tg3_request_irq(tp);
7262
7263 if (err)
7264 return err;
7265
7266 if (intr_ok)
7267 return 0;
7268
7269 return -EIO;
7270 }
7271
7272 /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
7273 * successfully restored
7274 */
7275 static int tg3_test_msi(struct tg3 *tp)
7276 {
7277 struct net_device *dev = tp->dev;
7278 int err;
7279 u16 pci_cmd;
7280
7281 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
7282 return 0;
7283
7284 /* Turn off SERR reporting in case MSI terminates with Master
7285 * Abort.
7286 */
7287 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
7288 pci_write_config_word(tp->pdev, PCI_COMMAND,
7289 pci_cmd & ~PCI_COMMAND_SERR);
7290
7291 err = tg3_test_interrupt(tp);
7292
7293 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
7294
7295 if (!err)
7296 return 0;
7297
7298 /* other failures */
7299 if (err != -EIO)
7300 return err;
7301
7302 /* MSI test failed, go back to INTx mode */
7303 printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
7304 "switching to INTx mode. Please report this failure to "
7305 "the PCI maintainer and include system chipset information.\n",
7306 tp->dev->name);
7307
7308 free_irq(tp->pdev->irq, dev);
7309 pci_disable_msi(tp->pdev);
7310
7311 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7312
7313 err = tg3_request_irq(tp);
7314 if (err)
7315 return err;
7316
7317 /* Need to reset the chip because the MSI cycle may have terminated
7318 * with Master Abort.
7319 */
7320 tg3_full_lock(tp, 1);
7321
7322 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7323 err = tg3_init_hw(tp, 1);
7324
7325 tg3_full_unlock(tp);
7326
7327 if (err)
7328 free_irq(tp->pdev->irq, dev);
7329
7330 return err;
7331 }
7332
7333 static int tg3_open(struct net_device *dev)
7334 {
7335 struct tg3 *tp = netdev_priv(dev);
7336 int err;
7337
7338 netif_carrier_off(tp->dev);
7339
7340 tg3_full_lock(tp, 0);
7341
7342 err = tg3_set_power_state(tp, PCI_D0);
7343 if (err) {
7344 tg3_full_unlock(tp);
7345 return err;
7346 }
7347
7348 tg3_disable_ints(tp);
7349 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
7350
7351 tg3_full_unlock(tp);
7352
7353 /* The placement of this call is tied
7354 * to the setup and use of Host TX descriptors.
7355 */
7356 err = tg3_alloc_consistent(tp);
7357 if (err)
7358 return err;
7359
7360 if (tp->tg3_flags & TG3_FLAG_SUPPORT_MSI) {
7361 /* All MSI supporting chips should support tagged
7362 * status. Assert that this is the case.
7363 */
7364 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7365 printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
7366 "Not using MSI.\n", tp->dev->name);
7367 } else if (pci_enable_msi(tp->pdev) == 0) {
7368 u32 msi_mode;
7369
7370 /* Hardware bug - MSI won't work if INTX disabled. */
7371 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
7372 pci_intx(tp->pdev, 1);
7373
7374 msi_mode = tr32(MSGINT_MODE);
7375 tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
7376 tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
7377 }
7378 }
7379 err = tg3_request_irq(tp);
7380
7381 if (err) {
7382 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7383 pci_disable_msi(tp->pdev);
7384 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7385 }
7386 tg3_free_consistent(tp);
7387 return err;
7388 }
7389
7390 napi_enable(&tp->napi);
7391
7392 tg3_full_lock(tp, 0);
7393
7394 err = tg3_init_hw(tp, 1);
7395 if (err) {
7396 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7397 tg3_free_rings(tp);
7398 } else {
7399 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
7400 tp->timer_offset = HZ;
7401 else
7402 tp->timer_offset = HZ / 10;
7403
7404 BUG_ON(tp->timer_offset > HZ);
7405 tp->timer_counter = tp->timer_multiplier =
7406 (HZ / tp->timer_offset);
7407 tp->asf_counter = tp->asf_multiplier =
7408 ((HZ / tp->timer_offset) * 2);
7409
7410 init_timer(&tp->timer);
7411 tp->timer.expires = jiffies + tp->timer_offset;
7412 tp->timer.data = (unsigned long) tp;
7413 tp->timer.function = tg3_timer;
7414 }
7415
7416 tg3_full_unlock(tp);
7417
7418 if (err) {
7419 napi_disable(&tp->napi);
7420 free_irq(tp->pdev->irq, dev);
7421 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7422 pci_disable_msi(tp->pdev);
7423 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7424 }
7425 tg3_free_consistent(tp);
7426 return err;
7427 }
7428
7429 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7430 err = tg3_test_msi(tp);
7431
7432 if (err) {
7433 tg3_full_lock(tp, 0);
7434
7435 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7436 pci_disable_msi(tp->pdev);
7437 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7438 }
7439 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7440 tg3_free_rings(tp);
7441 tg3_free_consistent(tp);
7442
7443 tg3_full_unlock(tp);
7444
7445 napi_disable(&tp->napi);
7446
7447 return err;
7448 }
7449
7450 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7451 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI) {
7452 u32 val = tr32(PCIE_TRANSACTION_CFG);
7453
7454 tw32(PCIE_TRANSACTION_CFG,
7455 val | PCIE_TRANS_CFG_1SHOT_MSI);
7456 }
7457 }
7458 }
7459
7460 tg3_full_lock(tp, 0);
7461
7462 add_timer(&tp->timer);
7463 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
7464 tg3_enable_ints(tp);
7465
7466 tg3_full_unlock(tp);
7467
7468 netif_start_queue(dev);
7469
7470 return 0;
7471 }
7472
7473 #if 0
7474 /*static*/ void tg3_dump_state(struct tg3 *tp)
7475 {
7476 u32 val32, val32_2, val32_3, val32_4, val32_5;
7477 u16 val16;
7478 int i;
7479
7480 pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
7481 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
7482 printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
7483 val16, val32);
7484
7485 /* MAC block */
7486 printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
7487 tr32(MAC_MODE), tr32(MAC_STATUS));
7488 printk(" MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
7489 tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
7490 printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
7491 tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
7492 printk(" MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
7493 tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
7494
7495 /* Send data initiator control block */
7496 printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
7497 tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
7498 printk(" SNDDATAI_STATSCTRL[%08x]\n",
7499 tr32(SNDDATAI_STATSCTRL));
7500
7501 /* Send data completion control block */
7502 printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
7503
7504 /* Send BD ring selector block */
7505 printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
7506 tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
7507
7508 /* Send BD initiator control block */
7509 printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
7510 tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
7511
7512 /* Send BD completion control block */
7513 printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
7514
7515 /* Receive list placement control block */
7516 printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
7517 tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
7518 printk(" RCVLPC_STATSCTRL[%08x]\n",
7519 tr32(RCVLPC_STATSCTRL));
7520
7521 /* Receive data and receive BD initiator control block */
7522 printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
7523 tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
7524
7525 /* Receive data completion control block */
7526 printk("DEBUG: RCVDCC_MODE[%08x]\n",
7527 tr32(RCVDCC_MODE));
7528
7529 /* Receive BD initiator control block */
7530 printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
7531 tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
7532
7533 /* Receive BD completion control block */
7534 printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
7535 tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
7536
7537 /* Receive list selector control block */
7538 printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
7539 tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
7540
7541 /* Mbuf cluster free block */
7542 printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
7543 tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
7544
7545 /* Host coalescing control block */
7546 printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
7547 tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
7548 printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
7549 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7550 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7551 printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
7552 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7553 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7554 printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
7555 tr32(HOSTCC_STATS_BLK_NIC_ADDR));
7556 printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
7557 tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
7558
7559 /* Memory arbiter control block */
7560 printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
7561 tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
7562
7563 /* Buffer manager control block */
7564 printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
7565 tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
7566 printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
7567 tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
7568 printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
7569 "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
7570 tr32(BUFMGR_DMA_DESC_POOL_ADDR),
7571 tr32(BUFMGR_DMA_DESC_POOL_SIZE));
7572
7573 /* Read DMA control block */
7574 printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
7575 tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
7576
7577 /* Write DMA control block */
7578 printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
7579 tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
7580
7581 /* DMA completion block */
7582 printk("DEBUG: DMAC_MODE[%08x]\n",
7583 tr32(DMAC_MODE));
7584
7585 /* GRC block */
7586 printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
7587 tr32(GRC_MODE), tr32(GRC_MISC_CFG));
7588 printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
7589 tr32(GRC_LOCAL_CTRL));
7590
7591 /* TG3_BDINFOs */
7592 printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
7593 tr32(RCVDBDI_JUMBO_BD + 0x0),
7594 tr32(RCVDBDI_JUMBO_BD + 0x4),
7595 tr32(RCVDBDI_JUMBO_BD + 0x8),
7596 tr32(RCVDBDI_JUMBO_BD + 0xc));
7597 printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
7598 tr32(RCVDBDI_STD_BD + 0x0),
7599 tr32(RCVDBDI_STD_BD + 0x4),
7600 tr32(RCVDBDI_STD_BD + 0x8),
7601 tr32(RCVDBDI_STD_BD + 0xc));
7602 printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
7603 tr32(RCVDBDI_MINI_BD + 0x0),
7604 tr32(RCVDBDI_MINI_BD + 0x4),
7605 tr32(RCVDBDI_MINI_BD + 0x8),
7606 tr32(RCVDBDI_MINI_BD + 0xc));
7607
7608 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
7609 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
7610 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
7611 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
7612 printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
7613 val32, val32_2, val32_3, val32_4);
7614
7615 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
7616 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
7617 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
7618 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
7619 printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
7620 val32, val32_2, val32_3, val32_4);
7621
7622 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
7623 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
7624 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
7625 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
7626 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
7627 printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
7628 val32, val32_2, val32_3, val32_4, val32_5);
7629
7630 /* SW status block */
7631 printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
7632 tp->hw_status->status,
7633 tp->hw_status->status_tag,
7634 tp->hw_status->rx_jumbo_consumer,
7635 tp->hw_status->rx_consumer,
7636 tp->hw_status->rx_mini_consumer,
7637 tp->hw_status->idx[0].rx_producer,
7638 tp->hw_status->idx[0].tx_consumer);
7639
7640 /* SW statistics block */
7641 printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
7642 ((u32 *)tp->hw_stats)[0],
7643 ((u32 *)tp->hw_stats)[1],
7644 ((u32 *)tp->hw_stats)[2],
7645 ((u32 *)tp->hw_stats)[3]);
7646
7647 /* Mailboxes */
7648 printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
7649 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
7650 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
7651 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
7652 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
7653
7654 /* NIC side send descriptors. */
7655 for (i = 0; i < 6; i++) {
7656 unsigned long txd;
7657
7658 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
7659 + (i * sizeof(struct tg3_tx_buffer_desc));
7660 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
7661 i,
7662 readl(txd + 0x0), readl(txd + 0x4),
7663 readl(txd + 0x8), readl(txd + 0xc));
7664 }
7665
7666 /* NIC side RX descriptors. */
7667 for (i = 0; i < 6; i++) {
7668 unsigned long rxd;
7669
7670 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
7671 + (i * sizeof(struct tg3_rx_buffer_desc));
7672 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
7673 i,
7674 readl(rxd + 0x0), readl(rxd + 0x4),
7675 readl(rxd + 0x8), readl(rxd + 0xc));
7676 rxd += (4 * sizeof(u32));
7677 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
7678 i,
7679 readl(rxd + 0x0), readl(rxd + 0x4),
7680 readl(rxd + 0x8), readl(rxd + 0xc));
7681 }
7682
7683 for (i = 0; i < 6; i++) {
7684 unsigned long rxd;
7685
7686 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
7687 + (i * sizeof(struct tg3_rx_buffer_desc));
7688 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
7689 i,
7690 readl(rxd + 0x0), readl(rxd + 0x4),
7691 readl(rxd + 0x8), readl(rxd + 0xc));
7692 rxd += (4 * sizeof(u32));
7693 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
7694 i,
7695 readl(rxd + 0x0), readl(rxd + 0x4),
7696 readl(rxd + 0x8), readl(rxd + 0xc));
7697 }
7698 }
7699 #endif
7700
7701 static struct net_device_stats *tg3_get_stats(struct net_device *);
7702 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
7703
7704 static int tg3_close(struct net_device *dev)
7705 {
7706 struct tg3 *tp = netdev_priv(dev);
7707
7708 napi_disable(&tp->napi);
7709 cancel_work_sync(&tp->reset_task);
7710
7711 netif_stop_queue(dev);
7712
7713 del_timer_sync(&tp->timer);
7714
7715 tg3_full_lock(tp, 1);
7716 #if 0
7717 tg3_dump_state(tp);
7718 #endif
7719
7720 tg3_disable_ints(tp);
7721
7722 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7723 tg3_free_rings(tp);
7724 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
7725
7726 tg3_full_unlock(tp);
7727
7728 free_irq(tp->pdev->irq, dev);
7729 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7730 pci_disable_msi(tp->pdev);
7731 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7732 }
7733
7734 memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
7735 sizeof(tp->net_stats_prev));
7736 memcpy(&tp->estats_prev, tg3_get_estats(tp),
7737 sizeof(tp->estats_prev));
7738
7739 tg3_free_consistent(tp);
7740
7741 tg3_set_power_state(tp, PCI_D3hot);
7742
7743 netif_carrier_off(tp->dev);
7744
7745 return 0;
7746 }
7747
7748 static inline unsigned long get_stat64(tg3_stat64_t *val)
7749 {
7750 unsigned long ret;
7751
7752 #if (BITS_PER_LONG == 32)
7753 ret = val->low;
7754 #else
7755 ret = ((u64)val->high << 32) | ((u64)val->low);
7756 #endif
7757 return ret;
7758 }
7759
7760 static unsigned long calc_crc_errors(struct tg3 *tp)
7761 {
7762 struct tg3_hw_stats *hw_stats = tp->hw_stats;
7763
7764 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7765 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
7766 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
7767 u32 val;
7768
7769 spin_lock_bh(&tp->lock);
7770 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
7771 tg3_writephy(tp, MII_TG3_TEST1,
7772 val | MII_TG3_TEST1_CRC_EN);
7773 tg3_readphy(tp, 0x14, &val);
7774 } else
7775 val = 0;
7776 spin_unlock_bh(&tp->lock);
7777
7778 tp->phy_crc_errors += val;
7779
7780 return tp->phy_crc_errors;
7781 }
7782
7783 return get_stat64(&hw_stats->rx_fcs_errors);
7784 }
7785
7786 #define ESTAT_ADD(member) \
7787 estats->member = old_estats->member + \
7788 get_stat64(&hw_stats->member)
7789
7790 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
7791 {
7792 struct tg3_ethtool_stats *estats = &tp->estats;
7793 struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
7794 struct tg3_hw_stats *hw_stats = tp->hw_stats;
7795
7796 if (!hw_stats)
7797 return old_estats;
7798
7799 ESTAT_ADD(rx_octets);
7800 ESTAT_ADD(rx_fragments);
7801 ESTAT_ADD(rx_ucast_packets);
7802 ESTAT_ADD(rx_mcast_packets);
7803 ESTAT_ADD(rx_bcast_packets);
7804 ESTAT_ADD(rx_fcs_errors);
7805 ESTAT_ADD(rx_align_errors);
7806 ESTAT_ADD(rx_xon_pause_rcvd);
7807 ESTAT_ADD(rx_xoff_pause_rcvd);
7808 ESTAT_ADD(rx_mac_ctrl_rcvd);
7809 ESTAT_ADD(rx_xoff_entered);
7810 ESTAT_ADD(rx_frame_too_long_errors);
7811 ESTAT_ADD(rx_jabbers);
7812 ESTAT_ADD(rx_undersize_packets);
7813 ESTAT_ADD(rx_in_length_errors);
7814 ESTAT_ADD(rx_out_length_errors);
7815 ESTAT_ADD(rx_64_or_less_octet_packets);
7816 ESTAT_ADD(rx_65_to_127_octet_packets);
7817 ESTAT_ADD(rx_128_to_255_octet_packets);
7818 ESTAT_ADD(rx_256_to_511_octet_packets);
7819 ESTAT_ADD(rx_512_to_1023_octet_packets);
7820 ESTAT_ADD(rx_1024_to_1522_octet_packets);
7821 ESTAT_ADD(rx_1523_to_2047_octet_packets);
7822 ESTAT_ADD(rx_2048_to_4095_octet_packets);
7823 ESTAT_ADD(rx_4096_to_8191_octet_packets);
7824 ESTAT_ADD(rx_8192_to_9022_octet_packets);
7825
7826 ESTAT_ADD(tx_octets);
7827 ESTAT_ADD(tx_collisions);
7828 ESTAT_ADD(tx_xon_sent);
7829 ESTAT_ADD(tx_xoff_sent);
7830 ESTAT_ADD(tx_flow_control);
7831 ESTAT_ADD(tx_mac_errors);
7832 ESTAT_ADD(tx_single_collisions);
7833 ESTAT_ADD(tx_mult_collisions);
7834 ESTAT_ADD(tx_deferred);
7835 ESTAT_ADD(tx_excessive_collisions);
7836 ESTAT_ADD(tx_late_collisions);
7837 ESTAT_ADD(tx_collide_2times);
7838 ESTAT_ADD(tx_collide_3times);
7839 ESTAT_ADD(tx_collide_4times);
7840 ESTAT_ADD(tx_collide_5times);
7841 ESTAT_ADD(tx_collide_6times);
7842 ESTAT_ADD(tx_collide_7times);
7843 ESTAT_ADD(tx_collide_8times);
7844 ESTAT_ADD(tx_collide_9times);
7845 ESTAT_ADD(tx_collide_10times);
7846 ESTAT_ADD(tx_collide_11times);
7847 ESTAT_ADD(tx_collide_12times);
7848 ESTAT_ADD(tx_collide_13times);
7849 ESTAT_ADD(tx_collide_14times);
7850 ESTAT_ADD(tx_collide_15times);
7851 ESTAT_ADD(tx_ucast_packets);
7852 ESTAT_ADD(tx_mcast_packets);
7853 ESTAT_ADD(tx_bcast_packets);
7854 ESTAT_ADD(tx_carrier_sense_errors);
7855 ESTAT_ADD(tx_discards);
7856 ESTAT_ADD(tx_errors);
7857
7858 ESTAT_ADD(dma_writeq_full);
7859 ESTAT_ADD(dma_write_prioq_full);
7860 ESTAT_ADD(rxbds_empty);
7861 ESTAT_ADD(rx_discards);
7862 ESTAT_ADD(rx_errors);
7863 ESTAT_ADD(rx_threshold_hit);
7864
7865 ESTAT_ADD(dma_readq_full);
7866 ESTAT_ADD(dma_read_prioq_full);
7867 ESTAT_ADD(tx_comp_queue_full);
7868
7869 ESTAT_ADD(ring_set_send_prod_index);
7870 ESTAT_ADD(ring_status_update);
7871 ESTAT_ADD(nic_irqs);
7872 ESTAT_ADD(nic_avoided_irqs);
7873 ESTAT_ADD(nic_tx_threshold_hit);
7874
7875 return estats;
7876 }
7877
7878 static struct net_device_stats *tg3_get_stats(struct net_device *dev)
7879 {
7880 struct tg3 *tp = netdev_priv(dev);
7881 struct net_device_stats *stats = &tp->net_stats;
7882 struct net_device_stats *old_stats = &tp->net_stats_prev;
7883 struct tg3_hw_stats *hw_stats = tp->hw_stats;
7884
7885 if (!hw_stats)
7886 return old_stats;
7887
7888 stats->rx_packets = old_stats->rx_packets +
7889 get_stat64(&hw_stats->rx_ucast_packets) +
7890 get_stat64(&hw_stats->rx_mcast_packets) +
7891 get_stat64(&hw_stats->rx_bcast_packets);
7892
7893 stats->tx_packets = old_stats->tx_packets +
7894 get_stat64(&hw_stats->tx_ucast_packets) +
7895 get_stat64(&hw_stats->tx_mcast_packets) +
7896 get_stat64(&hw_stats->tx_bcast_packets);
7897
7898 stats->rx_bytes = old_stats->rx_bytes +
7899 get_stat64(&hw_stats->rx_octets);
7900 stats->tx_bytes = old_stats->tx_bytes +
7901 get_stat64(&hw_stats->tx_octets);
7902
7903 stats->rx_errors = old_stats->rx_errors +
7904 get_stat64(&hw_stats->rx_errors);
7905 stats->tx_errors = old_stats->tx_errors +
7906 get_stat64(&hw_stats->tx_errors) +
7907 get_stat64(&hw_stats->tx_mac_errors) +
7908 get_stat64(&hw_stats->tx_carrier_sense_errors) +
7909 get_stat64(&hw_stats->tx_discards);
7910
7911 stats->multicast = old_stats->multicast +
7912 get_stat64(&hw_stats->rx_mcast_packets);
7913 stats->collisions = old_stats->collisions +
7914 get_stat64(&hw_stats->tx_collisions);
7915
7916 stats->rx_length_errors = old_stats->rx_length_errors +
7917 get_stat64(&hw_stats->rx_frame_too_long_errors) +
7918 get_stat64(&hw_stats->rx_undersize_packets);
7919
7920 stats->rx_over_errors = old_stats->rx_over_errors +
7921 get_stat64(&hw_stats->rxbds_empty);
7922 stats->rx_frame_errors = old_stats->rx_frame_errors +
7923 get_stat64(&hw_stats->rx_align_errors);
7924 stats->tx_aborted_errors = old_stats->tx_aborted_errors +
7925 get_stat64(&hw_stats->tx_discards);
7926 stats->tx_carrier_errors = old_stats->tx_carrier_errors +
7927 get_stat64(&hw_stats->tx_carrier_sense_errors);
7928
7929 stats->rx_crc_errors = old_stats->rx_crc_errors +
7930 calc_crc_errors(tp);
7931
7932 stats->rx_missed_errors = old_stats->rx_missed_errors +
7933 get_stat64(&hw_stats->rx_discards);
7934
7935 return stats;
7936 }
7937
7938 static inline u32 calc_crc(unsigned char *buf, int len)
7939 {
7940 u32 reg;
7941 u32 tmp;
7942 int j, k;
7943
7944 reg = 0xffffffff;
7945
7946 for (j = 0; j < len; j++) {
7947 reg ^= buf[j];
7948
7949 for (k = 0; k < 8; k++) {
7950 tmp = reg & 0x01;
7951
7952 reg >>= 1;
7953
7954 if (tmp) {
7955 reg ^= 0xedb88320;
7956 }
7957 }
7958 }
7959
7960 return ~reg;
7961 }
7962
7963 static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
7964 {
7965 /* accept or reject all multicast frames */
7966 tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
7967 tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
7968 tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
7969 tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
7970 }
7971
7972 static void __tg3_set_rx_mode(struct net_device *dev)
7973 {
7974 struct tg3 *tp = netdev_priv(dev);
7975 u32 rx_mode;
7976
7977 rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
7978 RX_MODE_KEEP_VLAN_TAG);
7979
7980 /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
7981 * flag clear.
7982 */
7983 #if TG3_VLAN_TAG_USED
7984 if (!tp->vlgrp &&
7985 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7986 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7987 #else
7988 /* By definition, VLAN is disabled always in this
7989 * case.
7990 */
7991 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7992 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7993 #endif
7994
7995 if (dev->flags & IFF_PROMISC) {
7996 /* Promiscuous mode. */
7997 rx_mode |= RX_MODE_PROMISC;
7998 } else if (dev->flags & IFF_ALLMULTI) {
7999 /* Accept all multicast. */
8000 tg3_set_multi (tp, 1);
8001 } else if (dev->mc_count < 1) {
8002 /* Reject all multicast. */
8003 tg3_set_multi (tp, 0);
8004 } else {
8005 /* Accept one or more multicast(s). */
8006 struct dev_mc_list *mclist;
8007 unsigned int i;
8008 u32 mc_filter[4] = { 0, };
8009 u32 regidx;
8010 u32 bit;
8011 u32 crc;
8012
8013 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
8014 i++, mclist = mclist->next) {
8015
8016 crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
8017 bit = ~crc & 0x7f;
8018 regidx = (bit & 0x60) >> 5;
8019 bit &= 0x1f;
8020 mc_filter[regidx] |= (1 << bit);
8021 }
8022
8023 tw32(MAC_HASH_REG_0, mc_filter[0]);
8024 tw32(MAC_HASH_REG_1, mc_filter[1]);
8025 tw32(MAC_HASH_REG_2, mc_filter[2]);
8026 tw32(MAC_HASH_REG_3, mc_filter[3]);
8027 }
8028
8029 if (rx_mode != tp->rx_mode) {
8030 tp->rx_mode = rx_mode;
8031 tw32_f(MAC_RX_MODE, rx_mode);
8032 udelay(10);
8033 }
8034 }
8035
8036 static void tg3_set_rx_mode(struct net_device *dev)
8037 {
8038 struct tg3 *tp = netdev_priv(dev);
8039
8040 if (!netif_running(dev))
8041 return;
8042
8043 tg3_full_lock(tp, 0);
8044 __tg3_set_rx_mode(dev);
8045 tg3_full_unlock(tp);
8046 }
8047
8048 #define TG3_REGDUMP_LEN (32 * 1024)
8049
8050 static int tg3_get_regs_len(struct net_device *dev)
8051 {
8052 return TG3_REGDUMP_LEN;
8053 }
8054
8055 static void tg3_get_regs(struct net_device *dev,
8056 struct ethtool_regs *regs, void *_p)
8057 {
8058 u32 *p = _p;
8059 struct tg3 *tp = netdev_priv(dev);
8060 u8 *orig_p = _p;
8061 int i;
8062
8063 regs->version = 0;
8064
8065 memset(p, 0, TG3_REGDUMP_LEN);
8066
8067 if (tp->link_config.phy_is_low_power)
8068 return;
8069
8070 tg3_full_lock(tp, 0);
8071
8072 #define __GET_REG32(reg) (*(p)++ = tr32(reg))
8073 #define GET_REG32_LOOP(base,len) \
8074 do { p = (u32 *)(orig_p + (base)); \
8075 for (i = 0; i < len; i += 4) \
8076 __GET_REG32((base) + i); \
8077 } while (0)
8078 #define GET_REG32_1(reg) \
8079 do { p = (u32 *)(orig_p + (reg)); \
8080 __GET_REG32((reg)); \
8081 } while (0)
8082
8083 GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
8084 GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
8085 GET_REG32_LOOP(MAC_MODE, 0x4f0);
8086 GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
8087 GET_REG32_1(SNDDATAC_MODE);
8088 GET_REG32_LOOP(SNDBDS_MODE, 0x80);
8089 GET_REG32_LOOP(SNDBDI_MODE, 0x48);
8090 GET_REG32_1(SNDBDC_MODE);
8091 GET_REG32_LOOP(RCVLPC_MODE, 0x20);
8092 GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
8093 GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
8094 GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
8095 GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
8096 GET_REG32_1(RCVDCC_MODE);
8097 GET_REG32_LOOP(RCVBDI_MODE, 0x20);
8098 GET_REG32_LOOP(RCVCC_MODE, 0x14);
8099 GET_REG32_LOOP(RCVLSC_MODE, 0x08);
8100 GET_REG32_1(MBFREE_MODE);
8101 GET_REG32_LOOP(HOSTCC_MODE, 0x100);
8102 GET_REG32_LOOP(MEMARB_MODE, 0x10);
8103 GET_REG32_LOOP(BUFMGR_MODE, 0x58);
8104 GET_REG32_LOOP(RDMAC_MODE, 0x08);
8105 GET_REG32_LOOP(WDMAC_MODE, 0x08);
8106 GET_REG32_1(RX_CPU_MODE);
8107 GET_REG32_1(RX_CPU_STATE);
8108 GET_REG32_1(RX_CPU_PGMCTR);
8109 GET_REG32_1(RX_CPU_HWBKPT);
8110 GET_REG32_1(TX_CPU_MODE);
8111 GET_REG32_1(TX_CPU_STATE);
8112 GET_REG32_1(TX_CPU_PGMCTR);
8113 GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
8114 GET_REG32_LOOP(FTQ_RESET, 0x120);
8115 GET_REG32_LOOP(MSGINT_MODE, 0x0c);
8116 GET_REG32_1(DMAC_MODE);
8117 GET_REG32_LOOP(GRC_MODE, 0x4c);
8118 if (tp->tg3_flags & TG3_FLAG_NVRAM)
8119 GET_REG32_LOOP(NVRAM_CMD, 0x24);
8120
8121 #undef __GET_REG32
8122 #undef GET_REG32_LOOP
8123 #undef GET_REG32_1
8124
8125 tg3_full_unlock(tp);
8126 }
8127
8128 static int tg3_get_eeprom_len(struct net_device *dev)
8129 {
8130 struct tg3 *tp = netdev_priv(dev);
8131
8132 return tp->nvram_size;
8133 }
8134
8135 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val);
8136 static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val);
8137
8138 static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
8139 {
8140 struct tg3 *tp = netdev_priv(dev);
8141 int ret;
8142 u8 *pd;
8143 u32 i, offset, len, val, b_offset, b_count;
8144
8145 if (tp->link_config.phy_is_low_power)
8146 return -EAGAIN;
8147
8148 offset = eeprom->offset;
8149 len = eeprom->len;
8150 eeprom->len = 0;
8151
8152 eeprom->magic = TG3_EEPROM_MAGIC;
8153
8154 if (offset & 3) {
8155 /* adjustments to start on required 4 byte boundary */
8156 b_offset = offset & 3;
8157 b_count = 4 - b_offset;
8158 if (b_count > len) {
8159 /* i.e. offset=1 len=2 */
8160 b_count = len;
8161 }
8162 ret = tg3_nvram_read(tp, offset-b_offset, &val);
8163 if (ret)
8164 return ret;
8165 val = cpu_to_le32(val);
8166 memcpy(data, ((char*)&val) + b_offset, b_count);
8167 len -= b_count;
8168 offset += b_count;
8169 eeprom->len += b_count;
8170 }
8171
8172 /* read bytes upto the last 4 byte boundary */
8173 pd = &data[eeprom->len];
8174 for (i = 0; i < (len - (len & 3)); i += 4) {
8175 ret = tg3_nvram_read(tp, offset + i, &val);
8176 if (ret) {
8177 eeprom->len += i;
8178 return ret;
8179 }
8180 val = cpu_to_le32(val);
8181 memcpy(pd + i, &val, 4);
8182 }
8183 eeprom->len += i;
8184
8185 if (len & 3) {
8186 /* read last bytes not ending on 4 byte boundary */
8187 pd = &data[eeprom->len];
8188 b_count = len & 3;
8189 b_offset = offset + len - b_count;
8190 ret = tg3_nvram_read(tp, b_offset, &val);
8191 if (ret)
8192 return ret;
8193 val = cpu_to_le32(val);
8194 memcpy(pd, ((char*)&val), b_count);
8195 eeprom->len += b_count;
8196 }
8197 return 0;
8198 }
8199
8200 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
8201
8202 static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
8203 {
8204 struct tg3 *tp = netdev_priv(dev);
8205 int ret;
8206 u32 offset, len, b_offset, odd_len, start, end;
8207 u8 *buf;
8208
8209 if (tp->link_config.phy_is_low_power)
8210 return -EAGAIN;
8211
8212 if (eeprom->magic != TG3_EEPROM_MAGIC)
8213 return -EINVAL;
8214
8215 offset = eeprom->offset;
8216 len = eeprom->len;
8217
8218 if ((b_offset = (offset & 3))) {
8219 /* adjustments to start on required 4 byte boundary */
8220 ret = tg3_nvram_read(tp, offset-b_offset, &start);
8221 if (ret)
8222 return ret;
8223 start = cpu_to_le32(start);
8224 len += b_offset;
8225 offset &= ~3;
8226 if (len < 4)
8227 len = 4;
8228 }
8229
8230 odd_len = 0;
8231 if (len & 3) {
8232 /* adjustments to end on required 4 byte boundary */
8233 odd_len = 1;
8234 len = (len + 3) & ~3;
8235 ret = tg3_nvram_read(tp, offset+len-4, &end);
8236 if (ret)
8237 return ret;
8238 end = cpu_to_le32(end);
8239 }
8240
8241 buf = data;
8242 if (b_offset || odd_len) {
8243 buf = kmalloc(len, GFP_KERNEL);
8244 if (!buf)
8245 return -ENOMEM;
8246 if (b_offset)
8247 memcpy(buf, &start, 4);
8248 if (odd_len)
8249 memcpy(buf+len-4, &end, 4);
8250 memcpy(buf + b_offset, data, eeprom->len);
8251 }
8252
8253 ret = tg3_nvram_write_block(tp, offset, len, buf);
8254
8255 if (buf != data)
8256 kfree(buf);
8257
8258 return ret;
8259 }
8260
8261 static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
8262 {
8263 struct tg3 *tp = netdev_priv(dev);
8264
8265 cmd->supported = (SUPPORTED_Autoneg);
8266
8267 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
8268 cmd->supported |= (SUPPORTED_1000baseT_Half |
8269 SUPPORTED_1000baseT_Full);
8270
8271 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
8272 cmd->supported |= (SUPPORTED_100baseT_Half |
8273 SUPPORTED_100baseT_Full |
8274 SUPPORTED_10baseT_Half |
8275 SUPPORTED_10baseT_Full |
8276 SUPPORTED_MII);
8277 cmd->port = PORT_TP;
8278 } else {
8279 cmd->supported |= SUPPORTED_FIBRE;
8280 cmd->port = PORT_FIBRE;
8281 }
8282
8283 cmd->advertising = tp->link_config.advertising;
8284 if (netif_running(dev)) {
8285 cmd->speed = tp->link_config.active_speed;
8286 cmd->duplex = tp->link_config.active_duplex;
8287 }
8288 cmd->phy_address = PHY_ADDR;
8289 cmd->transceiver = 0;
8290 cmd->autoneg = tp->link_config.autoneg;
8291 cmd->maxtxpkt = 0;
8292 cmd->maxrxpkt = 0;
8293 return 0;
8294 }
8295
8296 static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
8297 {
8298 struct tg3 *tp = netdev_priv(dev);
8299
8300 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
8301 /* These are the only valid advertisement bits allowed. */
8302 if (cmd->autoneg == AUTONEG_ENABLE &&
8303 (cmd->advertising & ~(ADVERTISED_1000baseT_Half |
8304 ADVERTISED_1000baseT_Full |
8305 ADVERTISED_Autoneg |
8306 ADVERTISED_FIBRE)))
8307 return -EINVAL;
8308 /* Fiber can only do SPEED_1000. */
8309 else if ((cmd->autoneg != AUTONEG_ENABLE) &&
8310 (cmd->speed != SPEED_1000))
8311 return -EINVAL;
8312 /* Copper cannot force SPEED_1000. */
8313 } else if ((cmd->autoneg != AUTONEG_ENABLE) &&
8314 (cmd->speed == SPEED_1000))
8315 return -EINVAL;
8316 else if ((cmd->speed == SPEED_1000) &&
8317 (tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
8318 return -EINVAL;
8319
8320 tg3_full_lock(tp, 0);
8321
8322 tp->link_config.autoneg = cmd->autoneg;
8323 if (cmd->autoneg == AUTONEG_ENABLE) {
8324 tp->link_config.advertising = (cmd->advertising |
8325 ADVERTISED_Autoneg);
8326 tp->link_config.speed = SPEED_INVALID;
8327 tp->link_config.duplex = DUPLEX_INVALID;
8328 } else {
8329 tp->link_config.advertising = 0;
8330 tp->link_config.speed = cmd->speed;
8331 tp->link_config.duplex = cmd->duplex;
8332 }
8333
8334 tp->link_config.orig_speed = tp->link_config.speed;
8335 tp->link_config.orig_duplex = tp->link_config.duplex;
8336 tp->link_config.orig_autoneg = tp->link_config.autoneg;
8337
8338 if (netif_running(dev))
8339 tg3_setup_phy(tp, 1);
8340
8341 tg3_full_unlock(tp);
8342
8343 return 0;
8344 }
8345
8346 static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
8347 {
8348 struct tg3 *tp = netdev_priv(dev);
8349
8350 strcpy(info->driver, DRV_MODULE_NAME);
8351 strcpy(info->version, DRV_MODULE_VERSION);
8352 strcpy(info->fw_version, tp->fw_ver);
8353 strcpy(info->bus_info, pci_name(tp->pdev));
8354 }
8355
8356 static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8357 {
8358 struct tg3 *tp = netdev_priv(dev);
8359
8360 if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
8361 wol->supported = WAKE_MAGIC;
8362 else
8363 wol->supported = 0;
8364 wol->wolopts = 0;
8365 if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
8366 wol->wolopts = WAKE_MAGIC;
8367 memset(&wol->sopass, 0, sizeof(wol->sopass));
8368 }
8369
8370 static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8371 {
8372 struct tg3 *tp = netdev_priv(dev);
8373
8374 if (wol->wolopts & ~WAKE_MAGIC)
8375 return -EINVAL;
8376 if ((wol->wolopts & WAKE_MAGIC) &&
8377 !(tp->tg3_flags & TG3_FLAG_WOL_CAP))
8378 return -EINVAL;
8379
8380 spin_lock_bh(&tp->lock);
8381 if (wol->wolopts & WAKE_MAGIC)
8382 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
8383 else
8384 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
8385 spin_unlock_bh(&tp->lock);
8386
8387 return 0;
8388 }
8389
8390 static u32 tg3_get_msglevel(struct net_device *dev)
8391 {
8392 struct tg3 *tp = netdev_priv(dev);
8393 return tp->msg_enable;
8394 }
8395
8396 static void tg3_set_msglevel(struct net_device *dev, u32 value)
8397 {
8398 struct tg3 *tp = netdev_priv(dev);
8399 tp->msg_enable = value;
8400 }
8401
8402 static int tg3_set_tso(struct net_device *dev, u32 value)
8403 {
8404 struct tg3 *tp = netdev_priv(dev);
8405
8406 if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8407 if (value)
8408 return -EINVAL;
8409 return 0;
8410 }
8411 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
8412 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)) {
8413 if (value) {
8414 dev->features |= NETIF_F_TSO6;
8415 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
8416 dev->features |= NETIF_F_TSO_ECN;
8417 } else
8418 dev->features &= ~(NETIF_F_TSO6 | NETIF_F_TSO_ECN);
8419 }
8420 return ethtool_op_set_tso(dev, value);
8421 }
8422
8423 static int tg3_nway_reset(struct net_device *dev)
8424 {
8425 struct tg3 *tp = netdev_priv(dev);
8426 u32 bmcr;
8427 int r;
8428
8429 if (!netif_running(dev))
8430 return -EAGAIN;
8431
8432 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
8433 return -EINVAL;
8434
8435 spin_lock_bh(&tp->lock);
8436 r = -EINVAL;
8437 tg3_readphy(tp, MII_BMCR, &bmcr);
8438 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
8439 ((bmcr & BMCR_ANENABLE) ||
8440 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
8441 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
8442 BMCR_ANENABLE);
8443 r = 0;
8444 }
8445 spin_unlock_bh(&tp->lock);
8446
8447 return r;
8448 }
8449
8450 static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8451 {
8452 struct tg3 *tp = netdev_priv(dev);
8453
8454 ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
8455 ering->rx_mini_max_pending = 0;
8456 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8457 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
8458 else
8459 ering->rx_jumbo_max_pending = 0;
8460
8461 ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
8462
8463 ering->rx_pending = tp->rx_pending;
8464 ering->rx_mini_pending = 0;
8465 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8466 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
8467 else
8468 ering->rx_jumbo_pending = 0;
8469
8470 ering->tx_pending = tp->tx_pending;
8471 }
8472
8473 static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8474 {
8475 struct tg3 *tp = netdev_priv(dev);
8476 int irq_sync = 0, err = 0;
8477
8478 if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
8479 (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
8480 (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
8481 (ering->tx_pending <= MAX_SKB_FRAGS) ||
8482 ((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
8483 (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
8484 return -EINVAL;
8485
8486 if (netif_running(dev)) {
8487 tg3_netif_stop(tp);
8488 irq_sync = 1;
8489 }
8490
8491 tg3_full_lock(tp, irq_sync);
8492
8493 tp->rx_pending = ering->rx_pending;
8494
8495 if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
8496 tp->rx_pending > 63)
8497 tp->rx_pending = 63;
8498 tp->rx_jumbo_pending = ering->rx_jumbo_pending;
8499 tp->tx_pending = ering->tx_pending;
8500
8501 if (netif_running(dev)) {
8502 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8503 err = tg3_restart_hw(tp, 1);
8504 if (!err)
8505 tg3_netif_start(tp);
8506 }
8507
8508 tg3_full_unlock(tp);
8509
8510 return err;
8511 }
8512
8513 static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8514 {
8515 struct tg3 *tp = netdev_priv(dev);
8516
8517 epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
8518 epause->rx_pause = (tp->tg3_flags & TG3_FLAG_RX_PAUSE) != 0;
8519 epause->tx_pause = (tp->tg3_flags & TG3_FLAG_TX_PAUSE) != 0;
8520 }
8521
8522 static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8523 {
8524 struct tg3 *tp = netdev_priv(dev);
8525 int irq_sync = 0, err = 0;
8526
8527 if (netif_running(dev)) {
8528 tg3_netif_stop(tp);
8529 irq_sync = 1;
8530 }
8531
8532 tg3_full_lock(tp, irq_sync);
8533
8534 if (epause->autoneg)
8535 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
8536 else
8537 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
8538 if (epause->rx_pause)
8539 tp->tg3_flags |= TG3_FLAG_RX_PAUSE;
8540 else
8541 tp->tg3_flags &= ~TG3_FLAG_RX_PAUSE;
8542 if (epause->tx_pause)
8543 tp->tg3_flags |= TG3_FLAG_TX_PAUSE;
8544 else
8545 tp->tg3_flags &= ~TG3_FLAG_TX_PAUSE;
8546
8547 if (netif_running(dev)) {
8548 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8549 err = tg3_restart_hw(tp, 1);
8550 if (!err)
8551 tg3_netif_start(tp);
8552 }
8553
8554 tg3_full_unlock(tp);
8555
8556 return err;
8557 }
8558
8559 static u32 tg3_get_rx_csum(struct net_device *dev)
8560 {
8561 struct tg3 *tp = netdev_priv(dev);
8562 return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
8563 }
8564
8565 static int tg3_set_rx_csum(struct net_device *dev, u32 data)
8566 {
8567 struct tg3 *tp = netdev_priv(dev);
8568
8569 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8570 if (data != 0)
8571 return -EINVAL;
8572 return 0;
8573 }
8574
8575 spin_lock_bh(&tp->lock);
8576 if (data)
8577 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
8578 else
8579 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
8580 spin_unlock_bh(&tp->lock);
8581
8582 return 0;
8583 }
8584
8585 static int tg3_set_tx_csum(struct net_device *dev, u32 data)
8586 {
8587 struct tg3 *tp = netdev_priv(dev);
8588
8589 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8590 if (data != 0)
8591 return -EINVAL;
8592 return 0;
8593 }
8594
8595 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
8596 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
8597 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
8598 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
8599 ethtool_op_set_tx_ipv6_csum(dev, data);
8600 else
8601 ethtool_op_set_tx_csum(dev, data);
8602
8603 return 0;
8604 }
8605
8606 static int tg3_get_sset_count (struct net_device *dev, int sset)
8607 {
8608 switch (sset) {
8609 case ETH_SS_TEST:
8610 return TG3_NUM_TEST;
8611 case ETH_SS_STATS:
8612 return TG3_NUM_STATS;
8613 default:
8614 return -EOPNOTSUPP;
8615 }
8616 }
8617
8618 static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
8619 {
8620 switch (stringset) {
8621 case ETH_SS_STATS:
8622 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
8623 break;
8624 case ETH_SS_TEST:
8625 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
8626 break;
8627 default:
8628 WARN_ON(1); /* we need a WARN() */
8629 break;
8630 }
8631 }
8632
8633 static int tg3_phys_id(struct net_device *dev, u32 data)
8634 {
8635 struct tg3 *tp = netdev_priv(dev);
8636 int i;
8637
8638 if (!netif_running(tp->dev))
8639 return -EAGAIN;
8640
8641 if (data == 0)
8642 data = 2;
8643
8644 for (i = 0; i < (data * 2); i++) {
8645 if ((i % 2) == 0)
8646 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8647 LED_CTRL_1000MBPS_ON |
8648 LED_CTRL_100MBPS_ON |
8649 LED_CTRL_10MBPS_ON |
8650 LED_CTRL_TRAFFIC_OVERRIDE |
8651 LED_CTRL_TRAFFIC_BLINK |
8652 LED_CTRL_TRAFFIC_LED);
8653
8654 else
8655 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8656 LED_CTRL_TRAFFIC_OVERRIDE);
8657
8658 if (msleep_interruptible(500))
8659 break;
8660 }
8661 tw32(MAC_LED_CTRL, tp->led_ctrl);
8662 return 0;
8663 }
8664
8665 static void tg3_get_ethtool_stats (struct net_device *dev,
8666 struct ethtool_stats *estats, u64 *tmp_stats)
8667 {
8668 struct tg3 *tp = netdev_priv(dev);
8669 memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
8670 }
8671
8672 #define NVRAM_TEST_SIZE 0x100
8673 #define NVRAM_SELFBOOT_FORMAT1_SIZE 0x14
8674 #define NVRAM_SELFBOOT_HW_SIZE 0x20
8675 #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
8676
8677 static int tg3_test_nvram(struct tg3 *tp)
8678 {
8679 u32 *buf, csum, magic;
8680 int i, j, k, err = 0, size;
8681
8682 if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
8683 return -EIO;
8684
8685 if (magic == TG3_EEPROM_MAGIC)
8686 size = NVRAM_TEST_SIZE;
8687 else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
8688 if ((magic & 0xe00000) == 0x200000)
8689 size = NVRAM_SELFBOOT_FORMAT1_SIZE;
8690 else
8691 return 0;
8692 } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
8693 size = NVRAM_SELFBOOT_HW_SIZE;
8694 else
8695 return -EIO;
8696
8697 buf = kmalloc(size, GFP_KERNEL);
8698 if (buf == NULL)
8699 return -ENOMEM;
8700
8701 err = -EIO;
8702 for (i = 0, j = 0; i < size; i += 4, j++) {
8703 u32 val;
8704
8705 if ((err = tg3_nvram_read(tp, i, &val)) != 0)
8706 break;
8707 buf[j] = cpu_to_le32(val);
8708 }
8709 if (i < size)
8710 goto out;
8711
8712 /* Selfboot format */
8713 if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_FW_MSK) ==
8714 TG3_EEPROM_MAGIC_FW) {
8715 u8 *buf8 = (u8 *) buf, csum8 = 0;
8716
8717 for (i = 0; i < size; i++)
8718 csum8 += buf8[i];
8719
8720 if (csum8 == 0) {
8721 err = 0;
8722 goto out;
8723 }
8724
8725 err = -EIO;
8726 goto out;
8727 }
8728
8729 if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_HW_MSK) ==
8730 TG3_EEPROM_MAGIC_HW) {
8731 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
8732 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
8733 u8 *buf8 = (u8 *) buf;
8734
8735 /* Separate the parity bits and the data bytes. */
8736 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
8737 if ((i == 0) || (i == 8)) {
8738 int l;
8739 u8 msk;
8740
8741 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
8742 parity[k++] = buf8[i] & msk;
8743 i++;
8744 }
8745 else if (i == 16) {
8746 int l;
8747 u8 msk;
8748
8749 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
8750 parity[k++] = buf8[i] & msk;
8751 i++;
8752
8753 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
8754 parity[k++] = buf8[i] & msk;
8755 i++;
8756 }
8757 data[j++] = buf8[i];
8758 }
8759
8760 err = -EIO;
8761 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
8762 u8 hw8 = hweight8(data[i]);
8763
8764 if ((hw8 & 0x1) && parity[i])
8765 goto out;
8766 else if (!(hw8 & 0x1) && !parity[i])
8767 goto out;
8768 }
8769 err = 0;
8770 goto out;
8771 }
8772
8773 /* Bootstrap checksum at offset 0x10 */
8774 csum = calc_crc((unsigned char *) buf, 0x10);
8775 if(csum != cpu_to_le32(buf[0x10/4]))
8776 goto out;
8777
8778 /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
8779 csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
8780 if (csum != cpu_to_le32(buf[0xfc/4]))
8781 goto out;
8782
8783 err = 0;
8784
8785 out:
8786 kfree(buf);
8787 return err;
8788 }
8789
8790 #define TG3_SERDES_TIMEOUT_SEC 2
8791 #define TG3_COPPER_TIMEOUT_SEC 6
8792
8793 static int tg3_test_link(struct tg3 *tp)
8794 {
8795 int i, max;
8796
8797 if (!netif_running(tp->dev))
8798 return -ENODEV;
8799
8800 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
8801 max = TG3_SERDES_TIMEOUT_SEC;
8802 else
8803 max = TG3_COPPER_TIMEOUT_SEC;
8804
8805 for (i = 0; i < max; i++) {
8806 if (netif_carrier_ok(tp->dev))
8807 return 0;
8808
8809 if (msleep_interruptible(1000))
8810 break;
8811 }
8812
8813 return -EIO;
8814 }
8815
8816 /* Only test the commonly used registers */
8817 static int tg3_test_registers(struct tg3 *tp)
8818 {
8819 int i, is_5705, is_5750;
8820 u32 offset, read_mask, write_mask, val, save_val, read_val;
8821 static struct {
8822 u16 offset;
8823 u16 flags;
8824 #define TG3_FL_5705 0x1
8825 #define TG3_FL_NOT_5705 0x2
8826 #define TG3_FL_NOT_5788 0x4
8827 #define TG3_FL_NOT_5750 0x8
8828 u32 read_mask;
8829 u32 write_mask;
8830 } reg_tbl[] = {
8831 /* MAC Control Registers */
8832 { MAC_MODE, TG3_FL_NOT_5705,
8833 0x00000000, 0x00ef6f8c },
8834 { MAC_MODE, TG3_FL_5705,
8835 0x00000000, 0x01ef6b8c },
8836 { MAC_STATUS, TG3_FL_NOT_5705,
8837 0x03800107, 0x00000000 },
8838 { MAC_STATUS, TG3_FL_5705,
8839 0x03800100, 0x00000000 },
8840 { MAC_ADDR_0_HIGH, 0x0000,
8841 0x00000000, 0x0000ffff },
8842 { MAC_ADDR_0_LOW, 0x0000,
8843 0x00000000, 0xffffffff },
8844 { MAC_RX_MTU_SIZE, 0x0000,
8845 0x00000000, 0x0000ffff },
8846 { MAC_TX_MODE, 0x0000,
8847 0x00000000, 0x00000070 },
8848 { MAC_TX_LENGTHS, 0x0000,
8849 0x00000000, 0x00003fff },
8850 { MAC_RX_MODE, TG3_FL_NOT_5705,
8851 0x00000000, 0x000007fc },
8852 { MAC_RX_MODE, TG3_FL_5705,
8853 0x00000000, 0x000007dc },
8854 { MAC_HASH_REG_0, 0x0000,
8855 0x00000000, 0xffffffff },
8856 { MAC_HASH_REG_1, 0x0000,
8857 0x00000000, 0xffffffff },
8858 { MAC_HASH_REG_2, 0x0000,
8859 0x00000000, 0xffffffff },
8860 { MAC_HASH_REG_3, 0x0000,
8861 0x00000000, 0xffffffff },
8862
8863 /* Receive Data and Receive BD Initiator Control Registers. */
8864 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
8865 0x00000000, 0xffffffff },
8866 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
8867 0x00000000, 0xffffffff },
8868 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
8869 0x00000000, 0x00000003 },
8870 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
8871 0x00000000, 0xffffffff },
8872 { RCVDBDI_STD_BD+0, 0x0000,
8873 0x00000000, 0xffffffff },
8874 { RCVDBDI_STD_BD+4, 0x0000,
8875 0x00000000, 0xffffffff },
8876 { RCVDBDI_STD_BD+8, 0x0000,
8877 0x00000000, 0xffff0002 },
8878 { RCVDBDI_STD_BD+0xc, 0x0000,
8879 0x00000000, 0xffffffff },
8880
8881 /* Receive BD Initiator Control Registers. */
8882 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
8883 0x00000000, 0xffffffff },
8884 { RCVBDI_STD_THRESH, TG3_FL_5705,
8885 0x00000000, 0x000003ff },
8886 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
8887 0x00000000, 0xffffffff },
8888
8889 /* Host Coalescing Control Registers. */
8890 { HOSTCC_MODE, TG3_FL_NOT_5705,
8891 0x00000000, 0x00000004 },
8892 { HOSTCC_MODE, TG3_FL_5705,
8893 0x00000000, 0x000000f6 },
8894 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
8895 0x00000000, 0xffffffff },
8896 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
8897 0x00000000, 0x000003ff },
8898 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
8899 0x00000000, 0xffffffff },
8900 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
8901 0x00000000, 0x000003ff },
8902 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
8903 0x00000000, 0xffffffff },
8904 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8905 0x00000000, 0x000000ff },
8906 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
8907 0x00000000, 0xffffffff },
8908 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8909 0x00000000, 0x000000ff },
8910 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
8911 0x00000000, 0xffffffff },
8912 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
8913 0x00000000, 0xffffffff },
8914 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8915 0x00000000, 0xffffffff },
8916 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8917 0x00000000, 0x000000ff },
8918 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8919 0x00000000, 0xffffffff },
8920 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8921 0x00000000, 0x000000ff },
8922 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
8923 0x00000000, 0xffffffff },
8924 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
8925 0x00000000, 0xffffffff },
8926 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
8927 0x00000000, 0xffffffff },
8928 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
8929 0x00000000, 0xffffffff },
8930 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
8931 0x00000000, 0xffffffff },
8932 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
8933 0xffffffff, 0x00000000 },
8934 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
8935 0xffffffff, 0x00000000 },
8936
8937 /* Buffer Manager Control Registers. */
8938 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
8939 0x00000000, 0x007fff80 },
8940 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
8941 0x00000000, 0x007fffff },
8942 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
8943 0x00000000, 0x0000003f },
8944 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
8945 0x00000000, 0x000001ff },
8946 { BUFMGR_MB_HIGH_WATER, 0x0000,
8947 0x00000000, 0x000001ff },
8948 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
8949 0xffffffff, 0x00000000 },
8950 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
8951 0xffffffff, 0x00000000 },
8952
8953 /* Mailbox Registers */
8954 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
8955 0x00000000, 0x000001ff },
8956 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
8957 0x00000000, 0x000001ff },
8958 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
8959 0x00000000, 0x000007ff },
8960 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
8961 0x00000000, 0x000001ff },
8962
8963 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
8964 };
8965
8966 is_5705 = is_5750 = 0;
8967 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
8968 is_5705 = 1;
8969 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
8970 is_5750 = 1;
8971 }
8972
8973 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
8974 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
8975 continue;
8976
8977 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
8978 continue;
8979
8980 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
8981 (reg_tbl[i].flags & TG3_FL_NOT_5788))
8982 continue;
8983
8984 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
8985 continue;
8986
8987 offset = (u32) reg_tbl[i].offset;
8988 read_mask = reg_tbl[i].read_mask;
8989 write_mask = reg_tbl[i].write_mask;
8990
8991 /* Save the original register content */
8992 save_val = tr32(offset);
8993
8994 /* Determine the read-only value. */
8995 read_val = save_val & read_mask;
8996
8997 /* Write zero to the register, then make sure the read-only bits
8998 * are not changed and the read/write bits are all zeros.
8999 */
9000 tw32(offset, 0);
9001
9002 val = tr32(offset);
9003
9004 /* Test the read-only and read/write bits. */
9005 if (((val & read_mask) != read_val) || (val & write_mask))
9006 goto out;
9007
9008 /* Write ones to all the bits defined by RdMask and WrMask, then
9009 * make sure the read-only bits are not changed and the
9010 * read/write bits are all ones.
9011 */
9012 tw32(offset, read_mask | write_mask);
9013
9014 val = tr32(offset);
9015
9016 /* Test the read-only bits. */
9017 if ((val & read_mask) != read_val)
9018 goto out;
9019
9020 /* Test the read/write bits. */
9021 if ((val & write_mask) != write_mask)
9022 goto out;
9023
9024 tw32(offset, save_val);
9025 }
9026
9027 return 0;
9028
9029 out:
9030 if (netif_msg_hw(tp))
9031 printk(KERN_ERR PFX "Register test failed at offset %x\n",
9032 offset);
9033 tw32(offset, save_val);
9034 return -EIO;
9035 }
9036
9037 static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
9038 {
9039 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
9040 int i;
9041 u32 j;
9042
9043 for (i = 0; i < sizeof(test_pattern)/sizeof(u32); i++) {
9044 for (j = 0; j < len; j += 4) {
9045 u32 val;
9046
9047 tg3_write_mem(tp, offset + j, test_pattern[i]);
9048 tg3_read_mem(tp, offset + j, &val);
9049 if (val != test_pattern[i])
9050 return -EIO;
9051 }
9052 }
9053 return 0;
9054 }
9055
9056 static int tg3_test_memory(struct tg3 *tp)
9057 {
9058 static struct mem_entry {
9059 u32 offset;
9060 u32 len;
9061 } mem_tbl_570x[] = {
9062 { 0x00000000, 0x00b50},
9063 { 0x00002000, 0x1c000},
9064 { 0xffffffff, 0x00000}
9065 }, mem_tbl_5705[] = {
9066 { 0x00000100, 0x0000c},
9067 { 0x00000200, 0x00008},
9068 { 0x00004000, 0x00800},
9069 { 0x00006000, 0x01000},
9070 { 0x00008000, 0x02000},
9071 { 0x00010000, 0x0e000},
9072 { 0xffffffff, 0x00000}
9073 }, mem_tbl_5755[] = {
9074 { 0x00000200, 0x00008},
9075 { 0x00004000, 0x00800},
9076 { 0x00006000, 0x00800},
9077 { 0x00008000, 0x02000},
9078 { 0x00010000, 0x0c000},
9079 { 0xffffffff, 0x00000}
9080 }, mem_tbl_5906[] = {
9081 { 0x00000200, 0x00008},
9082 { 0x00004000, 0x00400},
9083 { 0x00006000, 0x00400},
9084 { 0x00008000, 0x01000},
9085 { 0x00010000, 0x01000},
9086 { 0xffffffff, 0x00000}
9087 };
9088 struct mem_entry *mem_tbl;
9089 int err = 0;
9090 int i;
9091
9092 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
9093 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
9094 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
9095 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
9096 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
9097 mem_tbl = mem_tbl_5755;
9098 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
9099 mem_tbl = mem_tbl_5906;
9100 else
9101 mem_tbl = mem_tbl_5705;
9102 } else
9103 mem_tbl = mem_tbl_570x;
9104
9105 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
9106 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
9107 mem_tbl[i].len)) != 0)
9108 break;
9109 }
9110
9111 return err;
9112 }
9113
9114 #define TG3_MAC_LOOPBACK 0
9115 #define TG3_PHY_LOOPBACK 1
9116
9117 static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
9118 {
9119 u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
9120 u32 desc_idx;
9121 struct sk_buff *skb, *rx_skb;
9122 u8 *tx_data;
9123 dma_addr_t map;
9124 int num_pkts, tx_len, rx_len, i, err;
9125 struct tg3_rx_buffer_desc *desc;
9126
9127 if (loopback_mode == TG3_MAC_LOOPBACK) {
9128 /* HW errata - mac loopback fails in some cases on 5780.
9129 * Normal traffic and PHY loopback are not affected by
9130 * errata.
9131 */
9132 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
9133 return 0;
9134
9135 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
9136 MAC_MODE_PORT_INT_LPBACK;
9137 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
9138 mac_mode |= MAC_MODE_LINK_POLARITY;
9139 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
9140 mac_mode |= MAC_MODE_PORT_MODE_MII;
9141 else
9142 mac_mode |= MAC_MODE_PORT_MODE_GMII;
9143 tw32(MAC_MODE, mac_mode);
9144 } else if (loopback_mode == TG3_PHY_LOOPBACK) {
9145 u32 val;
9146
9147 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
9148 u32 phytest;
9149
9150 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phytest)) {
9151 u32 phy;
9152
9153 tg3_writephy(tp, MII_TG3_EPHY_TEST,
9154 phytest | MII_TG3_EPHY_SHADOW_EN);
9155 if (!tg3_readphy(tp, 0x1b, &phy))
9156 tg3_writephy(tp, 0x1b, phy & ~0x20);
9157 tg3_writephy(tp, MII_TG3_EPHY_TEST, phytest);
9158 }
9159 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
9160 } else
9161 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
9162
9163 tg3_phy_toggle_automdix(tp, 0);
9164
9165 tg3_writephy(tp, MII_BMCR, val);
9166 udelay(40);
9167
9168 mac_mode = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
9169 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
9170 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x1800);
9171 mac_mode |= MAC_MODE_PORT_MODE_MII;
9172 } else
9173 mac_mode |= MAC_MODE_PORT_MODE_GMII;
9174
9175 /* reset to prevent losing 1st rx packet intermittently */
9176 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
9177 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
9178 udelay(10);
9179 tw32_f(MAC_RX_MODE, tp->rx_mode);
9180 }
9181 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
9182 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)
9183 mac_mode &= ~MAC_MODE_LINK_POLARITY;
9184 else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411)
9185 mac_mode |= MAC_MODE_LINK_POLARITY;
9186 tg3_writephy(tp, MII_TG3_EXT_CTRL,
9187 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
9188 }
9189 tw32(MAC_MODE, mac_mode);
9190 }
9191 else
9192 return -EINVAL;
9193
9194 err = -EIO;
9195
9196 tx_len = 1514;
9197 skb = netdev_alloc_skb(tp->dev, tx_len);
9198 if (!skb)
9199 return -ENOMEM;
9200
9201 tx_data = skb_put(skb, tx_len);
9202 memcpy(tx_data, tp->dev->dev_addr, 6);
9203 memset(tx_data + 6, 0x0, 8);
9204
9205 tw32(MAC_RX_MTU_SIZE, tx_len + 4);
9206
9207 for (i = 14; i < tx_len; i++)
9208 tx_data[i] = (u8) (i & 0xff);
9209
9210 map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
9211
9212 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
9213 HOSTCC_MODE_NOW);
9214
9215 udelay(10);
9216
9217 rx_start_idx = tp->hw_status->idx[0].rx_producer;
9218
9219 num_pkts = 0;
9220
9221 tg3_set_txd(tp, tp->tx_prod, map, tx_len, 0, 1);
9222
9223 tp->tx_prod++;
9224 num_pkts++;
9225
9226 tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW,
9227 tp->tx_prod);
9228 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
9229
9230 udelay(10);
9231
9232 /* 250 usec to allow enough time on some 10/100 Mbps devices. */
9233 for (i = 0; i < 25; i++) {
9234 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
9235 HOSTCC_MODE_NOW);
9236
9237 udelay(10);
9238
9239 tx_idx = tp->hw_status->idx[0].tx_consumer;
9240 rx_idx = tp->hw_status->idx[0].rx_producer;
9241 if ((tx_idx == tp->tx_prod) &&
9242 (rx_idx == (rx_start_idx + num_pkts)))
9243 break;
9244 }
9245
9246 pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
9247 dev_kfree_skb(skb);
9248
9249 if (tx_idx != tp->tx_prod)
9250 goto out;
9251
9252 if (rx_idx != rx_start_idx + num_pkts)
9253 goto out;
9254
9255 desc = &tp->rx_rcb[rx_start_idx];
9256 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
9257 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
9258 if (opaque_key != RXD_OPAQUE_RING_STD)
9259 goto out;
9260
9261 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
9262 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
9263 goto out;
9264
9265 rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
9266 if (rx_len != tx_len)
9267 goto out;
9268
9269 rx_skb = tp->rx_std_buffers[desc_idx].skb;
9270
9271 map = pci_unmap_addr(&tp->rx_std_buffers[desc_idx], mapping);
9272 pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
9273
9274 for (i = 14; i < tx_len; i++) {
9275 if (*(rx_skb->data + i) != (u8) (i & 0xff))
9276 goto out;
9277 }
9278 err = 0;
9279
9280 /* tg3_free_rings will unmap and free the rx_skb */
9281 out:
9282 return err;
9283 }
9284
9285 #define TG3_MAC_LOOPBACK_FAILED 1
9286 #define TG3_PHY_LOOPBACK_FAILED 2
9287 #define TG3_LOOPBACK_FAILED (TG3_MAC_LOOPBACK_FAILED | \
9288 TG3_PHY_LOOPBACK_FAILED)
9289
9290 static int tg3_test_loopback(struct tg3 *tp)
9291 {
9292 int err = 0;
9293 u32 cpmuctrl = 0;
9294
9295 if (!netif_running(tp->dev))
9296 return TG3_LOOPBACK_FAILED;
9297
9298 err = tg3_reset_hw(tp, 1);
9299 if (err)
9300 return TG3_LOOPBACK_FAILED;
9301
9302 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
9303 int i;
9304 u32 status;
9305
9306 tw32(TG3_CPMU_MUTEX_REQ, CPMU_MUTEX_REQ_DRIVER);
9307
9308 /* Wait for up to 40 microseconds to acquire lock. */
9309 for (i = 0; i < 4; i++) {
9310 status = tr32(TG3_CPMU_MUTEX_GNT);
9311 if (status == CPMU_MUTEX_GNT_DRIVER)
9312 break;
9313 udelay(10);
9314 }
9315
9316 if (status != CPMU_MUTEX_GNT_DRIVER)
9317 return TG3_LOOPBACK_FAILED;
9318
9319 cpmuctrl = tr32(TG3_CPMU_CTRL);
9320
9321 /* Turn off power management based on link speed. */
9322 tw32(TG3_CPMU_CTRL,
9323 cpmuctrl & ~CPMU_CTRL_LINK_SPEED_MODE);
9324 }
9325
9326 if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
9327 err |= TG3_MAC_LOOPBACK_FAILED;
9328
9329 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
9330 tw32(TG3_CPMU_CTRL, cpmuctrl);
9331
9332 /* Release the mutex */
9333 tw32(TG3_CPMU_MUTEX_GNT, CPMU_MUTEX_GNT_DRIVER);
9334 }
9335
9336 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
9337 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
9338 err |= TG3_PHY_LOOPBACK_FAILED;
9339 }
9340
9341 return err;
9342 }
9343
9344 static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
9345 u64 *data)
9346 {
9347 struct tg3 *tp = netdev_priv(dev);
9348
9349 if (tp->link_config.phy_is_low_power)
9350 tg3_set_power_state(tp, PCI_D0);
9351
9352 memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
9353
9354 if (tg3_test_nvram(tp) != 0) {
9355 etest->flags |= ETH_TEST_FL_FAILED;
9356 data[0] = 1;
9357 }
9358 if (tg3_test_link(tp) != 0) {
9359 etest->flags |= ETH_TEST_FL_FAILED;
9360 data[1] = 1;
9361 }
9362 if (etest->flags & ETH_TEST_FL_OFFLINE) {
9363 int err, irq_sync = 0;
9364
9365 if (netif_running(dev)) {
9366 tg3_netif_stop(tp);
9367 irq_sync = 1;
9368 }
9369
9370 tg3_full_lock(tp, irq_sync);
9371
9372 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
9373 err = tg3_nvram_lock(tp);
9374 tg3_halt_cpu(tp, RX_CPU_BASE);
9375 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
9376 tg3_halt_cpu(tp, TX_CPU_BASE);
9377 if (!err)
9378 tg3_nvram_unlock(tp);
9379
9380 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
9381 tg3_phy_reset(tp);
9382
9383 if (tg3_test_registers(tp) != 0) {
9384 etest->flags |= ETH_TEST_FL_FAILED;
9385 data[2] = 1;
9386 }
9387 if (tg3_test_memory(tp) != 0) {
9388 etest->flags |= ETH_TEST_FL_FAILED;
9389 data[3] = 1;
9390 }
9391 if ((data[4] = tg3_test_loopback(tp)) != 0)
9392 etest->flags |= ETH_TEST_FL_FAILED;
9393
9394 tg3_full_unlock(tp);
9395
9396 if (tg3_test_interrupt(tp) != 0) {
9397 etest->flags |= ETH_TEST_FL_FAILED;
9398 data[5] = 1;
9399 }
9400
9401 tg3_full_lock(tp, 0);
9402
9403 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9404 if (netif_running(dev)) {
9405 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
9406 if (!tg3_restart_hw(tp, 1))
9407 tg3_netif_start(tp);
9408 }
9409
9410 tg3_full_unlock(tp);
9411 }
9412 if (tp->link_config.phy_is_low_power)
9413 tg3_set_power_state(tp, PCI_D3hot);
9414
9415 }
9416
9417 static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9418 {
9419 struct mii_ioctl_data *data = if_mii(ifr);
9420 struct tg3 *tp = netdev_priv(dev);
9421 int err;
9422
9423 switch(cmd) {
9424 case SIOCGMIIPHY:
9425 data->phy_id = PHY_ADDR;
9426
9427 /* fallthru */
9428 case SIOCGMIIREG: {
9429 u32 mii_regval;
9430
9431 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9432 break; /* We have no PHY */
9433
9434 if (tp->link_config.phy_is_low_power)
9435 return -EAGAIN;
9436
9437 spin_lock_bh(&tp->lock);
9438 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
9439 spin_unlock_bh(&tp->lock);
9440
9441 data->val_out = mii_regval;
9442
9443 return err;
9444 }
9445
9446 case SIOCSMIIREG:
9447 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9448 break; /* We have no PHY */
9449
9450 if (!capable(CAP_NET_ADMIN))
9451 return -EPERM;
9452
9453 if (tp->link_config.phy_is_low_power)
9454 return -EAGAIN;
9455
9456 spin_lock_bh(&tp->lock);
9457 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
9458 spin_unlock_bh(&tp->lock);
9459
9460 return err;
9461
9462 default:
9463 /* do nothing */
9464 break;
9465 }
9466 return -EOPNOTSUPP;
9467 }
9468
9469 #if TG3_VLAN_TAG_USED
9470 static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
9471 {
9472 struct tg3 *tp = netdev_priv(dev);
9473
9474 if (netif_running(dev))
9475 tg3_netif_stop(tp);
9476
9477 tg3_full_lock(tp, 0);
9478
9479 tp->vlgrp = grp;
9480
9481 /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
9482 __tg3_set_rx_mode(dev);
9483
9484 if (netif_running(dev))
9485 tg3_netif_start(tp);
9486
9487 tg3_full_unlock(tp);
9488 }
9489 #endif
9490
9491 static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9492 {
9493 struct tg3 *tp = netdev_priv(dev);
9494
9495 memcpy(ec, &tp->coal, sizeof(*ec));
9496 return 0;
9497 }
9498
9499 static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9500 {
9501 struct tg3 *tp = netdev_priv(dev);
9502 u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
9503 u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
9504
9505 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
9506 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
9507 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
9508 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
9509 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
9510 }
9511
9512 if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
9513 (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
9514 (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
9515 (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
9516 (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
9517 (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
9518 (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
9519 (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
9520 (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
9521 (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
9522 return -EINVAL;
9523
9524 /* No rx interrupts will be generated if both are zero */
9525 if ((ec->rx_coalesce_usecs == 0) &&
9526 (ec->rx_max_coalesced_frames == 0))
9527 return -EINVAL;
9528
9529 /* No tx interrupts will be generated if both are zero */
9530 if ((ec->tx_coalesce_usecs == 0) &&
9531 (ec->tx_max_coalesced_frames == 0))
9532 return -EINVAL;
9533
9534 /* Only copy relevant parameters, ignore all others. */
9535 tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
9536 tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
9537 tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
9538 tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
9539 tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
9540 tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
9541 tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
9542 tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
9543 tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
9544
9545 if (netif_running(dev)) {
9546 tg3_full_lock(tp, 0);
9547 __tg3_set_coalesce(tp, &tp->coal);
9548 tg3_full_unlock(tp);
9549 }
9550 return 0;
9551 }
9552
9553 static const struct ethtool_ops tg3_ethtool_ops = {
9554 .get_settings = tg3_get_settings,
9555 .set_settings = tg3_set_settings,
9556 .get_drvinfo = tg3_get_drvinfo,
9557 .get_regs_len = tg3_get_regs_len,
9558 .get_regs = tg3_get_regs,
9559 .get_wol = tg3_get_wol,
9560 .set_wol = tg3_set_wol,
9561 .get_msglevel = tg3_get_msglevel,
9562 .set_msglevel = tg3_set_msglevel,
9563 .nway_reset = tg3_nway_reset,
9564 .get_link = ethtool_op_get_link,
9565 .get_eeprom_len = tg3_get_eeprom_len,
9566 .get_eeprom = tg3_get_eeprom,
9567 .set_eeprom = tg3_set_eeprom,
9568 .get_ringparam = tg3_get_ringparam,
9569 .set_ringparam = tg3_set_ringparam,
9570 .get_pauseparam = tg3_get_pauseparam,
9571 .set_pauseparam = tg3_set_pauseparam,
9572 .get_rx_csum = tg3_get_rx_csum,
9573 .set_rx_csum = tg3_set_rx_csum,
9574 .set_tx_csum = tg3_set_tx_csum,
9575 .set_sg = ethtool_op_set_sg,
9576 .set_tso = tg3_set_tso,
9577 .self_test = tg3_self_test,
9578 .get_strings = tg3_get_strings,
9579 .phys_id = tg3_phys_id,
9580 .get_ethtool_stats = tg3_get_ethtool_stats,
9581 .get_coalesce = tg3_get_coalesce,
9582 .set_coalesce = tg3_set_coalesce,
9583 .get_sset_count = tg3_get_sset_count,
9584 };
9585
9586 static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
9587 {
9588 u32 cursize, val, magic;
9589
9590 tp->nvram_size = EEPROM_CHIP_SIZE;
9591
9592 if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
9593 return;
9594
9595 if ((magic != TG3_EEPROM_MAGIC) &&
9596 ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
9597 ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
9598 return;
9599
9600 /*
9601 * Size the chip by reading offsets at increasing powers of two.
9602 * When we encounter our validation signature, we know the addressing
9603 * has wrapped around, and thus have our chip size.
9604 */
9605 cursize = 0x10;
9606
9607 while (cursize < tp->nvram_size) {
9608 if (tg3_nvram_read_swab(tp, cursize, &val) != 0)
9609 return;
9610
9611 if (val == magic)
9612 break;
9613
9614 cursize <<= 1;
9615 }
9616
9617 tp->nvram_size = cursize;
9618 }
9619
9620 static void __devinit tg3_get_nvram_size(struct tg3 *tp)
9621 {
9622 u32 val;
9623
9624 if (tg3_nvram_read_swab(tp, 0, &val) != 0)
9625 return;
9626
9627 /* Selfboot format */
9628 if (val != TG3_EEPROM_MAGIC) {
9629 tg3_get_eeprom_size(tp);
9630 return;
9631 }
9632
9633 if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
9634 if (val != 0) {
9635 tp->nvram_size = (val >> 16) * 1024;
9636 return;
9637 }
9638 }
9639 tp->nvram_size = 0x80000;
9640 }
9641
9642 static void __devinit tg3_get_nvram_info(struct tg3 *tp)
9643 {
9644 u32 nvcfg1;
9645
9646 nvcfg1 = tr32(NVRAM_CFG1);
9647 if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
9648 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9649 }
9650 else {
9651 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9652 tw32(NVRAM_CFG1, nvcfg1);
9653 }
9654
9655 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
9656 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
9657 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
9658 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
9659 tp->nvram_jedecnum = JEDEC_ATMEL;
9660 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9661 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9662 break;
9663 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
9664 tp->nvram_jedecnum = JEDEC_ATMEL;
9665 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
9666 break;
9667 case FLASH_VENDOR_ATMEL_EEPROM:
9668 tp->nvram_jedecnum = JEDEC_ATMEL;
9669 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9670 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9671 break;
9672 case FLASH_VENDOR_ST:
9673 tp->nvram_jedecnum = JEDEC_ST;
9674 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
9675 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9676 break;
9677 case FLASH_VENDOR_SAIFUN:
9678 tp->nvram_jedecnum = JEDEC_SAIFUN;
9679 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
9680 break;
9681 case FLASH_VENDOR_SST_SMALL:
9682 case FLASH_VENDOR_SST_LARGE:
9683 tp->nvram_jedecnum = JEDEC_SST;
9684 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
9685 break;
9686 }
9687 }
9688 else {
9689 tp->nvram_jedecnum = JEDEC_ATMEL;
9690 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9691 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9692 }
9693 }
9694
9695 static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
9696 {
9697 u32 nvcfg1;
9698
9699 nvcfg1 = tr32(NVRAM_CFG1);
9700
9701 /* NVRAM protection for TPM */
9702 if (nvcfg1 & (1 << 27))
9703 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9704
9705 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9706 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
9707 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
9708 tp->nvram_jedecnum = JEDEC_ATMEL;
9709 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9710 break;
9711 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9712 tp->nvram_jedecnum = JEDEC_ATMEL;
9713 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9714 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9715 break;
9716 case FLASH_5752VENDOR_ST_M45PE10:
9717 case FLASH_5752VENDOR_ST_M45PE20:
9718 case FLASH_5752VENDOR_ST_M45PE40:
9719 tp->nvram_jedecnum = JEDEC_ST;
9720 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9721 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9722 break;
9723 }
9724
9725 if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
9726 switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
9727 case FLASH_5752PAGE_SIZE_256:
9728 tp->nvram_pagesize = 256;
9729 break;
9730 case FLASH_5752PAGE_SIZE_512:
9731 tp->nvram_pagesize = 512;
9732 break;
9733 case FLASH_5752PAGE_SIZE_1K:
9734 tp->nvram_pagesize = 1024;
9735 break;
9736 case FLASH_5752PAGE_SIZE_2K:
9737 tp->nvram_pagesize = 2048;
9738 break;
9739 case FLASH_5752PAGE_SIZE_4K:
9740 tp->nvram_pagesize = 4096;
9741 break;
9742 case FLASH_5752PAGE_SIZE_264:
9743 tp->nvram_pagesize = 264;
9744 break;
9745 }
9746 }
9747 else {
9748 /* For eeprom, set pagesize to maximum eeprom size */
9749 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9750
9751 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9752 tw32(NVRAM_CFG1, nvcfg1);
9753 }
9754 }
9755
9756 static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
9757 {
9758 u32 nvcfg1, protect = 0;
9759
9760 nvcfg1 = tr32(NVRAM_CFG1);
9761
9762 /* NVRAM protection for TPM */
9763 if (nvcfg1 & (1 << 27)) {
9764 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9765 protect = 1;
9766 }
9767
9768 nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
9769 switch (nvcfg1) {
9770 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9771 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9772 case FLASH_5755VENDOR_ATMEL_FLASH_3:
9773 case FLASH_5755VENDOR_ATMEL_FLASH_5:
9774 tp->nvram_jedecnum = JEDEC_ATMEL;
9775 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9776 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9777 tp->nvram_pagesize = 264;
9778 if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
9779 nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
9780 tp->nvram_size = (protect ? 0x3e200 : 0x80000);
9781 else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
9782 tp->nvram_size = (protect ? 0x1f200 : 0x40000);
9783 else
9784 tp->nvram_size = (protect ? 0x1f200 : 0x20000);
9785 break;
9786 case FLASH_5752VENDOR_ST_M45PE10:
9787 case FLASH_5752VENDOR_ST_M45PE20:
9788 case FLASH_5752VENDOR_ST_M45PE40:
9789 tp->nvram_jedecnum = JEDEC_ST;
9790 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9791 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9792 tp->nvram_pagesize = 256;
9793 if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10)
9794 tp->nvram_size = (protect ? 0x10000 : 0x20000);
9795 else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20)
9796 tp->nvram_size = (protect ? 0x10000 : 0x40000);
9797 else
9798 tp->nvram_size = (protect ? 0x20000 : 0x80000);
9799 break;
9800 }
9801 }
9802
9803 static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
9804 {
9805 u32 nvcfg1;
9806
9807 nvcfg1 = tr32(NVRAM_CFG1);
9808
9809 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9810 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
9811 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
9812 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
9813 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
9814 tp->nvram_jedecnum = JEDEC_ATMEL;
9815 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9816 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9817
9818 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9819 tw32(NVRAM_CFG1, nvcfg1);
9820 break;
9821 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9822 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9823 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9824 case FLASH_5755VENDOR_ATMEL_FLASH_3:
9825 tp->nvram_jedecnum = JEDEC_ATMEL;
9826 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9827 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9828 tp->nvram_pagesize = 264;
9829 break;
9830 case FLASH_5752VENDOR_ST_M45PE10:
9831 case FLASH_5752VENDOR_ST_M45PE20:
9832 case FLASH_5752VENDOR_ST_M45PE40:
9833 tp->nvram_jedecnum = JEDEC_ST;
9834 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9835 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9836 tp->nvram_pagesize = 256;
9837 break;
9838 }
9839 }
9840
9841 static void __devinit tg3_get_5761_nvram_info(struct tg3 *tp)
9842 {
9843 u32 nvcfg1, protect = 0;
9844
9845 nvcfg1 = tr32(NVRAM_CFG1);
9846
9847 /* NVRAM protection for TPM */
9848 if (nvcfg1 & (1 << 27)) {
9849 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9850 protect = 1;
9851 }
9852
9853 nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
9854 switch (nvcfg1) {
9855 case FLASH_5761VENDOR_ATMEL_ADB021D:
9856 case FLASH_5761VENDOR_ATMEL_ADB041D:
9857 case FLASH_5761VENDOR_ATMEL_ADB081D:
9858 case FLASH_5761VENDOR_ATMEL_ADB161D:
9859 case FLASH_5761VENDOR_ATMEL_MDB021D:
9860 case FLASH_5761VENDOR_ATMEL_MDB041D:
9861 case FLASH_5761VENDOR_ATMEL_MDB081D:
9862 case FLASH_5761VENDOR_ATMEL_MDB161D:
9863 tp->nvram_jedecnum = JEDEC_ATMEL;
9864 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9865 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9866 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
9867 tp->nvram_pagesize = 256;
9868 break;
9869 case FLASH_5761VENDOR_ST_A_M45PE20:
9870 case FLASH_5761VENDOR_ST_A_M45PE40:
9871 case FLASH_5761VENDOR_ST_A_M45PE80:
9872 case FLASH_5761VENDOR_ST_A_M45PE16:
9873 case FLASH_5761VENDOR_ST_M_M45PE20:
9874 case FLASH_5761VENDOR_ST_M_M45PE40:
9875 case FLASH_5761VENDOR_ST_M_M45PE80:
9876 case FLASH_5761VENDOR_ST_M_M45PE16:
9877 tp->nvram_jedecnum = JEDEC_ST;
9878 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9879 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9880 tp->nvram_pagesize = 256;
9881 break;
9882 }
9883
9884 if (protect) {
9885 tp->nvram_size = tr32(NVRAM_ADDR_LOCKOUT);
9886 } else {
9887 switch (nvcfg1) {
9888 case FLASH_5761VENDOR_ATMEL_ADB161D:
9889 case FLASH_5761VENDOR_ATMEL_MDB161D:
9890 case FLASH_5761VENDOR_ST_A_M45PE16:
9891 case FLASH_5761VENDOR_ST_M_M45PE16:
9892 tp->nvram_size = 0x100000;
9893 break;
9894 case FLASH_5761VENDOR_ATMEL_ADB081D:
9895 case FLASH_5761VENDOR_ATMEL_MDB081D:
9896 case FLASH_5761VENDOR_ST_A_M45PE80:
9897 case FLASH_5761VENDOR_ST_M_M45PE80:
9898 tp->nvram_size = 0x80000;
9899 break;
9900 case FLASH_5761VENDOR_ATMEL_ADB041D:
9901 case FLASH_5761VENDOR_ATMEL_MDB041D:
9902 case FLASH_5761VENDOR_ST_A_M45PE40:
9903 case FLASH_5761VENDOR_ST_M_M45PE40:
9904 tp->nvram_size = 0x40000;
9905 break;
9906 case FLASH_5761VENDOR_ATMEL_ADB021D:
9907 case FLASH_5761VENDOR_ATMEL_MDB021D:
9908 case FLASH_5761VENDOR_ST_A_M45PE20:
9909 case FLASH_5761VENDOR_ST_M_M45PE20:
9910 tp->nvram_size = 0x20000;
9911 break;
9912 }
9913 }
9914 }
9915
9916 static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
9917 {
9918 tp->nvram_jedecnum = JEDEC_ATMEL;
9919 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9920 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9921 }
9922
9923 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
9924 static void __devinit tg3_nvram_init(struct tg3 *tp)
9925 {
9926 tw32_f(GRC_EEPROM_ADDR,
9927 (EEPROM_ADDR_FSM_RESET |
9928 (EEPROM_DEFAULT_CLOCK_PERIOD <<
9929 EEPROM_ADDR_CLKPERD_SHIFT)));
9930
9931 msleep(1);
9932
9933 /* Enable seeprom accesses. */
9934 tw32_f(GRC_LOCAL_CTRL,
9935 tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
9936 udelay(100);
9937
9938 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
9939 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
9940 tp->tg3_flags |= TG3_FLAG_NVRAM;
9941
9942 if (tg3_nvram_lock(tp)) {
9943 printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
9944 "tg3_nvram_init failed.\n", tp->dev->name);
9945 return;
9946 }
9947 tg3_enable_nvram_access(tp);
9948
9949 tp->nvram_size = 0;
9950
9951 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
9952 tg3_get_5752_nvram_info(tp);
9953 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
9954 tg3_get_5755_nvram_info(tp);
9955 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
9956 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784)
9957 tg3_get_5787_nvram_info(tp);
9958 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
9959 tg3_get_5761_nvram_info(tp);
9960 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
9961 tg3_get_5906_nvram_info(tp);
9962 else
9963 tg3_get_nvram_info(tp);
9964
9965 if (tp->nvram_size == 0)
9966 tg3_get_nvram_size(tp);
9967
9968 tg3_disable_nvram_access(tp);
9969 tg3_nvram_unlock(tp);
9970
9971 } else {
9972 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
9973
9974 tg3_get_eeprom_size(tp);
9975 }
9976 }
9977
9978 static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
9979 u32 offset, u32 *val)
9980 {
9981 u32 tmp;
9982 int i;
9983
9984 if (offset > EEPROM_ADDR_ADDR_MASK ||
9985 (offset % 4) != 0)
9986 return -EINVAL;
9987
9988 tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
9989 EEPROM_ADDR_DEVID_MASK |
9990 EEPROM_ADDR_READ);
9991 tw32(GRC_EEPROM_ADDR,
9992 tmp |
9993 (0 << EEPROM_ADDR_DEVID_SHIFT) |
9994 ((offset << EEPROM_ADDR_ADDR_SHIFT) &
9995 EEPROM_ADDR_ADDR_MASK) |
9996 EEPROM_ADDR_READ | EEPROM_ADDR_START);
9997
9998 for (i = 0; i < 1000; i++) {
9999 tmp = tr32(GRC_EEPROM_ADDR);
10000
10001 if (tmp & EEPROM_ADDR_COMPLETE)
10002 break;
10003 msleep(1);
10004 }
10005 if (!(tmp & EEPROM_ADDR_COMPLETE))
10006 return -EBUSY;
10007
10008 *val = tr32(GRC_EEPROM_DATA);
10009 return 0;
10010 }
10011
10012 #define NVRAM_CMD_TIMEOUT 10000
10013
10014 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
10015 {
10016 int i;
10017
10018 tw32(NVRAM_CMD, nvram_cmd);
10019 for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
10020 udelay(10);
10021 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
10022 udelay(10);
10023 break;
10024 }
10025 }
10026 if (i == NVRAM_CMD_TIMEOUT) {
10027 return -EBUSY;
10028 }
10029 return 0;
10030 }
10031
10032 static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
10033 {
10034 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
10035 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
10036 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
10037 !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
10038 (tp->nvram_jedecnum == JEDEC_ATMEL))
10039
10040 addr = ((addr / tp->nvram_pagesize) <<
10041 ATMEL_AT45DB0X1B_PAGE_POS) +
10042 (addr % tp->nvram_pagesize);
10043
10044 return addr;
10045 }
10046
10047 static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
10048 {
10049 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
10050 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
10051 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
10052 !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
10053 (tp->nvram_jedecnum == JEDEC_ATMEL))
10054
10055 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
10056 tp->nvram_pagesize) +
10057 (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
10058
10059 return addr;
10060 }
10061
10062 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
10063 {
10064 int ret;
10065
10066 if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
10067 return tg3_nvram_read_using_eeprom(tp, offset, val);
10068
10069 offset = tg3_nvram_phys_addr(tp, offset);
10070
10071 if (offset > NVRAM_ADDR_MSK)
10072 return -EINVAL;
10073
10074 ret = tg3_nvram_lock(tp);
10075 if (ret)
10076 return ret;
10077
10078 tg3_enable_nvram_access(tp);
10079
10080 tw32(NVRAM_ADDR, offset);
10081 ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
10082 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
10083
10084 if (ret == 0)
10085 *val = swab32(tr32(NVRAM_RDDATA));
10086
10087 tg3_disable_nvram_access(tp);
10088
10089 tg3_nvram_unlock(tp);
10090
10091 return ret;
10092 }
10093
10094 static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val)
10095 {
10096 int err;
10097 u32 tmp;
10098
10099 err = tg3_nvram_read(tp, offset, &tmp);
10100 *val = swab32(tmp);
10101 return err;
10102 }
10103
10104 static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
10105 u32 offset, u32 len, u8 *buf)
10106 {
10107 int i, j, rc = 0;
10108 u32 val;
10109
10110 for (i = 0; i < len; i += 4) {
10111 u32 addr, data;
10112
10113 addr = offset + i;
10114
10115 memcpy(&data, buf + i, 4);
10116
10117 tw32(GRC_EEPROM_DATA, cpu_to_le32(data));
10118
10119 val = tr32(GRC_EEPROM_ADDR);
10120 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
10121
10122 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
10123 EEPROM_ADDR_READ);
10124 tw32(GRC_EEPROM_ADDR, val |
10125 (0 << EEPROM_ADDR_DEVID_SHIFT) |
10126 (addr & EEPROM_ADDR_ADDR_MASK) |
10127 EEPROM_ADDR_START |
10128 EEPROM_ADDR_WRITE);
10129
10130 for (j = 0; j < 1000; j++) {
10131 val = tr32(GRC_EEPROM_ADDR);
10132
10133 if (val & EEPROM_ADDR_COMPLETE)
10134 break;
10135 msleep(1);
10136 }
10137 if (!(val & EEPROM_ADDR_COMPLETE)) {
10138 rc = -EBUSY;
10139 break;
10140 }
10141 }
10142
10143 return rc;
10144 }
10145
10146 /* offset and length are dword aligned */
10147 static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
10148 u8 *buf)
10149 {
10150 int ret = 0;
10151 u32 pagesize = tp->nvram_pagesize;
10152 u32 pagemask = pagesize - 1;
10153 u32 nvram_cmd;
10154 u8 *tmp;
10155
10156 tmp = kmalloc(pagesize, GFP_KERNEL);
10157 if (tmp == NULL)
10158 return -ENOMEM;
10159
10160 while (len) {
10161 int j;
10162 u32 phy_addr, page_off, size;
10163
10164 phy_addr = offset & ~pagemask;
10165
10166 for (j = 0; j < pagesize; j += 4) {
10167 if ((ret = tg3_nvram_read(tp, phy_addr + j,
10168 (u32 *) (tmp + j))))
10169 break;
10170 }
10171 if (ret)
10172 break;
10173
10174 page_off = offset & pagemask;
10175 size = pagesize;
10176 if (len < size)
10177 size = len;
10178
10179 len -= size;
10180
10181 memcpy(tmp + page_off, buf, size);
10182
10183 offset = offset + (pagesize - page_off);
10184
10185 tg3_enable_nvram_access(tp);
10186
10187 /*
10188 * Before we can erase the flash page, we need
10189 * to issue a special "write enable" command.
10190 */
10191 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
10192
10193 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
10194 break;
10195
10196 /* Erase the target page */
10197 tw32(NVRAM_ADDR, phy_addr);
10198
10199 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
10200 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
10201
10202 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
10203 break;
10204
10205 /* Issue another write enable to start the write. */
10206 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
10207
10208 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
10209 break;
10210
10211 for (j = 0; j < pagesize; j += 4) {
10212 u32 data;
10213
10214 data = *((u32 *) (tmp + j));
10215 tw32(NVRAM_WRDATA, cpu_to_be32(data));
10216
10217 tw32(NVRAM_ADDR, phy_addr + j);
10218
10219 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
10220 NVRAM_CMD_WR;
10221
10222 if (j == 0)
10223 nvram_cmd |= NVRAM_CMD_FIRST;
10224 else if (j == (pagesize - 4))
10225 nvram_cmd |= NVRAM_CMD_LAST;
10226
10227 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
10228 break;
10229 }
10230 if (ret)
10231 break;
10232 }
10233
10234 nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
10235 tg3_nvram_exec_cmd(tp, nvram_cmd);
10236
10237 kfree(tmp);
10238
10239 return ret;
10240 }
10241
10242 /* offset and length are dword aligned */
10243 static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
10244 u8 *buf)
10245 {
10246 int i, ret = 0;
10247
10248 for (i = 0; i < len; i += 4, offset += 4) {
10249 u32 data, page_off, phy_addr, nvram_cmd;
10250
10251 memcpy(&data, buf + i, 4);
10252 tw32(NVRAM_WRDATA, cpu_to_be32(data));
10253
10254 page_off = offset % tp->nvram_pagesize;
10255
10256 phy_addr = tg3_nvram_phys_addr(tp, offset);
10257
10258 tw32(NVRAM_ADDR, phy_addr);
10259
10260 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
10261
10262 if ((page_off == 0) || (i == 0))
10263 nvram_cmd |= NVRAM_CMD_FIRST;
10264 if (page_off == (tp->nvram_pagesize - 4))
10265 nvram_cmd |= NVRAM_CMD_LAST;
10266
10267 if (i == (len - 4))
10268 nvram_cmd |= NVRAM_CMD_LAST;
10269
10270 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) &&
10271 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) &&
10272 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787) &&
10273 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784) &&
10274 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) &&
10275 (tp->nvram_jedecnum == JEDEC_ST) &&
10276 (nvram_cmd & NVRAM_CMD_FIRST)) {
10277
10278 if ((ret = tg3_nvram_exec_cmd(tp,
10279 NVRAM_CMD_WREN | NVRAM_CMD_GO |
10280 NVRAM_CMD_DONE)))
10281
10282 break;
10283 }
10284 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
10285 /* We always do complete word writes to eeprom. */
10286 nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
10287 }
10288
10289 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
10290 break;
10291 }
10292 return ret;
10293 }
10294
10295 /* offset and length are dword aligned */
10296 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
10297 {
10298 int ret;
10299
10300 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
10301 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
10302 ~GRC_LCLCTRL_GPIO_OUTPUT1);
10303 udelay(40);
10304 }
10305
10306 if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
10307 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
10308 }
10309 else {
10310 u32 grc_mode;
10311
10312 ret = tg3_nvram_lock(tp);
10313 if (ret)
10314 return ret;
10315
10316 tg3_enable_nvram_access(tp);
10317 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
10318 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
10319 tw32(NVRAM_WRITE1, 0x406);
10320
10321 grc_mode = tr32(GRC_MODE);
10322 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
10323
10324 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
10325 !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
10326
10327 ret = tg3_nvram_write_block_buffered(tp, offset, len,
10328 buf);
10329 }
10330 else {
10331 ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
10332 buf);
10333 }
10334
10335 grc_mode = tr32(GRC_MODE);
10336 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
10337
10338 tg3_disable_nvram_access(tp);
10339 tg3_nvram_unlock(tp);
10340 }
10341
10342 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
10343 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
10344 udelay(40);
10345 }
10346
10347 return ret;
10348 }
10349
10350 struct subsys_tbl_ent {
10351 u16 subsys_vendor, subsys_devid;
10352 u32 phy_id;
10353 };
10354
10355 static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
10356 /* Broadcom boards. */
10357 { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
10358 { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
10359 { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
10360 { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 }, /* BCM95700A9 */
10361 { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
10362 { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
10363 { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 }, /* BCM95701A7 */
10364 { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
10365 { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
10366 { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
10367 { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
10368
10369 /* 3com boards. */
10370 { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
10371 { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
10372 { PCI_VENDOR_ID_3COM, 0x1004, 0 }, /* 3C996SX */
10373 { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
10374 { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
10375
10376 /* DELL boards. */
10377 { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
10378 { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
10379 { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
10380 { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
10381
10382 /* Compaq boards. */
10383 { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
10384 { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
10385 { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 }, /* CHANGELING */
10386 { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
10387 { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
10388
10389 /* IBM boards. */
10390 { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
10391 };
10392
10393 static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
10394 {
10395 int i;
10396
10397 for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
10398 if ((subsys_id_to_phy_id[i].subsys_vendor ==
10399 tp->pdev->subsystem_vendor) &&
10400 (subsys_id_to_phy_id[i].subsys_devid ==
10401 tp->pdev->subsystem_device))
10402 return &subsys_id_to_phy_id[i];
10403 }
10404 return NULL;
10405 }
10406
10407 static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
10408 {
10409 u32 val;
10410 u16 pmcsr;
10411
10412 /* On some early chips the SRAM cannot be accessed in D3hot state,
10413 * so need make sure we're in D0.
10414 */
10415 pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
10416 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
10417 pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
10418 msleep(1);
10419
10420 /* Make sure register accesses (indirect or otherwise)
10421 * will function correctly.
10422 */
10423 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10424 tp->misc_host_ctrl);
10425
10426 /* The memory arbiter has to be enabled in order for SRAM accesses
10427 * to succeed. Normally on powerup the tg3 chip firmware will make
10428 * sure it is enabled, but other entities such as system netboot
10429 * code might disable it.
10430 */
10431 val = tr32(MEMARB_MODE);
10432 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
10433
10434 tp->phy_id = PHY_ID_INVALID;
10435 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10436
10437 /* Assume an onboard device and WOL capable by default. */
10438 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT | TG3_FLAG_WOL_CAP;
10439
10440 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10441 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
10442 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
10443 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
10444 }
10445 val = tr32(VCPU_CFGSHDW);
10446 if (val & VCPU_CFGSHDW_ASPM_DBNC)
10447 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
10448 if ((val & VCPU_CFGSHDW_WOL_ENABLE) &&
10449 (val & VCPU_CFGSHDW_WOL_MAGPKT))
10450 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
10451 return;
10452 }
10453
10454 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
10455 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
10456 u32 nic_cfg, led_cfg;
10457 u32 nic_phy_id, ver, cfg2 = 0, eeprom_phy_id;
10458 int eeprom_phy_serdes = 0;
10459
10460 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
10461 tp->nic_sram_data_cfg = nic_cfg;
10462
10463 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
10464 ver >>= NIC_SRAM_DATA_VER_SHIFT;
10465 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
10466 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
10467 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
10468 (ver > 0) && (ver < 0x100))
10469 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
10470
10471 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
10472 NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
10473 eeprom_phy_serdes = 1;
10474
10475 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
10476 if (nic_phy_id != 0) {
10477 u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
10478 u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
10479
10480 eeprom_phy_id = (id1 >> 16) << 10;
10481 eeprom_phy_id |= (id2 & 0xfc00) << 16;
10482 eeprom_phy_id |= (id2 & 0x03ff) << 0;
10483 } else
10484 eeprom_phy_id = 0;
10485
10486 tp->phy_id = eeprom_phy_id;
10487 if (eeprom_phy_serdes) {
10488 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
10489 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
10490 else
10491 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10492 }
10493
10494 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10495 led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
10496 SHASTA_EXT_LED_MODE_MASK);
10497 else
10498 led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
10499
10500 switch (led_cfg) {
10501 default:
10502 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
10503 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10504 break;
10505
10506 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
10507 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10508 break;
10509
10510 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
10511 tp->led_ctrl = LED_CTRL_MODE_MAC;
10512
10513 /* Default to PHY_1_MODE if 0 (MAC_MODE) is
10514 * read on some older 5700/5701 bootcode.
10515 */
10516 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
10517 ASIC_REV_5700 ||
10518 GET_ASIC_REV(tp->pci_chip_rev_id) ==
10519 ASIC_REV_5701)
10520 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10521
10522 break;
10523
10524 case SHASTA_EXT_LED_SHARED:
10525 tp->led_ctrl = LED_CTRL_MODE_SHARED;
10526 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
10527 tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
10528 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10529 LED_CTRL_MODE_PHY_2);
10530 break;
10531
10532 case SHASTA_EXT_LED_MAC:
10533 tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
10534 break;
10535
10536 case SHASTA_EXT_LED_COMBO:
10537 tp->led_ctrl = LED_CTRL_MODE_COMBO;
10538 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
10539 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10540 LED_CTRL_MODE_PHY_2);
10541 break;
10542
10543 };
10544
10545 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10546 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
10547 tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
10548 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10549
10550 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
10551 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
10552 if ((tp->pdev->subsystem_vendor ==
10553 PCI_VENDOR_ID_ARIMA) &&
10554 (tp->pdev->subsystem_device == 0x205a ||
10555 tp->pdev->subsystem_device == 0x2063))
10556 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
10557 } else {
10558 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
10559 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
10560 }
10561
10562 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
10563 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
10564 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10565 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
10566 }
10567 if (nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE)
10568 tp->tg3_flags3 |= TG3_FLG3_ENABLE_APE;
10569 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
10570 !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
10571 tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
10572
10573 if (tp->tg3_flags & TG3_FLAG_WOL_CAP &&
10574 nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE)
10575 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
10576
10577 if (cfg2 & (1 << 17))
10578 tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
10579
10580 /* serdes signal pre-emphasis in register 0x590 set by */
10581 /* bootcode if bit 18 is set */
10582 if (cfg2 & (1 << 18))
10583 tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
10584
10585 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
10586 u32 cfg3;
10587
10588 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
10589 if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)
10590 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
10591 }
10592 }
10593 }
10594
10595 static int __devinit tg3_phy_probe(struct tg3 *tp)
10596 {
10597 u32 hw_phy_id_1, hw_phy_id_2;
10598 u32 hw_phy_id, hw_phy_id_masked;
10599 int err;
10600
10601 /* Reading the PHY ID register can conflict with ASF
10602 * firwmare access to the PHY hardware.
10603 */
10604 err = 0;
10605 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
10606 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
10607 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
10608 } else {
10609 /* Now read the physical PHY_ID from the chip and verify
10610 * that it is sane. If it doesn't look good, we fall back
10611 * to either the hard-coded table based PHY_ID and failing
10612 * that the value found in the eeprom area.
10613 */
10614 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
10615 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
10616
10617 hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
10618 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
10619 hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
10620
10621 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
10622 }
10623
10624 if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
10625 tp->phy_id = hw_phy_id;
10626 if (hw_phy_id_masked == PHY_ID_BCM8002)
10627 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10628 else
10629 tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
10630 } else {
10631 if (tp->phy_id != PHY_ID_INVALID) {
10632 /* Do nothing, phy ID already set up in
10633 * tg3_get_eeprom_hw_cfg().
10634 */
10635 } else {
10636 struct subsys_tbl_ent *p;
10637
10638 /* No eeprom signature? Try the hardcoded
10639 * subsys device table.
10640 */
10641 p = lookup_by_subsys(tp);
10642 if (!p)
10643 return -ENODEV;
10644
10645 tp->phy_id = p->phy_id;
10646 if (!tp->phy_id ||
10647 tp->phy_id == PHY_ID_BCM8002)
10648 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10649 }
10650 }
10651
10652 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
10653 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) &&
10654 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
10655 u32 bmsr, adv_reg, tg3_ctrl, mask;
10656
10657 tg3_readphy(tp, MII_BMSR, &bmsr);
10658 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
10659 (bmsr & BMSR_LSTATUS))
10660 goto skip_phy_reset;
10661
10662 err = tg3_phy_reset(tp);
10663 if (err)
10664 return err;
10665
10666 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
10667 ADVERTISE_100HALF | ADVERTISE_100FULL |
10668 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
10669 tg3_ctrl = 0;
10670 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
10671 tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
10672 MII_TG3_CTRL_ADV_1000_FULL);
10673 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
10674 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
10675 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
10676 MII_TG3_CTRL_ENABLE_AS_MASTER);
10677 }
10678
10679 mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
10680 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
10681 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
10682 if (!tg3_copper_is_advertising_all(tp, mask)) {
10683 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10684
10685 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10686 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10687
10688 tg3_writephy(tp, MII_BMCR,
10689 BMCR_ANENABLE | BMCR_ANRESTART);
10690 }
10691 tg3_phy_set_wirespeed(tp);
10692
10693 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10694 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10695 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10696 }
10697
10698 skip_phy_reset:
10699 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
10700 err = tg3_init_5401phy_dsp(tp);
10701 if (err)
10702 return err;
10703 }
10704
10705 if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
10706 err = tg3_init_5401phy_dsp(tp);
10707 }
10708
10709 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
10710 tp->link_config.advertising =
10711 (ADVERTISED_1000baseT_Half |
10712 ADVERTISED_1000baseT_Full |
10713 ADVERTISED_Autoneg |
10714 ADVERTISED_FIBRE);
10715 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
10716 tp->link_config.advertising &=
10717 ~(ADVERTISED_1000baseT_Half |
10718 ADVERTISED_1000baseT_Full);
10719
10720 return err;
10721 }
10722
10723 static void __devinit tg3_read_partno(struct tg3 *tp)
10724 {
10725 unsigned char vpd_data[256];
10726 unsigned int i;
10727 u32 magic;
10728
10729 if (tg3_nvram_read_swab(tp, 0x0, &magic))
10730 goto out_not_found;
10731
10732 if (magic == TG3_EEPROM_MAGIC) {
10733 for (i = 0; i < 256; i += 4) {
10734 u32 tmp;
10735
10736 if (tg3_nvram_read(tp, 0x100 + i, &tmp))
10737 goto out_not_found;
10738
10739 vpd_data[i + 0] = ((tmp >> 0) & 0xff);
10740 vpd_data[i + 1] = ((tmp >> 8) & 0xff);
10741 vpd_data[i + 2] = ((tmp >> 16) & 0xff);
10742 vpd_data[i + 3] = ((tmp >> 24) & 0xff);
10743 }
10744 } else {
10745 int vpd_cap;
10746
10747 vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
10748 for (i = 0; i < 256; i += 4) {
10749 u32 tmp, j = 0;
10750 u16 tmp16;
10751
10752 pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
10753 i);
10754 while (j++ < 100) {
10755 pci_read_config_word(tp->pdev, vpd_cap +
10756 PCI_VPD_ADDR, &tmp16);
10757 if (tmp16 & 0x8000)
10758 break;
10759 msleep(1);
10760 }
10761 if (!(tmp16 & 0x8000))
10762 goto out_not_found;
10763
10764 pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
10765 &tmp);
10766 tmp = cpu_to_le32(tmp);
10767 memcpy(&vpd_data[i], &tmp, 4);
10768 }
10769 }
10770
10771 /* Now parse and find the part number. */
10772 for (i = 0; i < 254; ) {
10773 unsigned char val = vpd_data[i];
10774 unsigned int block_end;
10775
10776 if (val == 0x82 || val == 0x91) {
10777 i = (i + 3 +
10778 (vpd_data[i + 1] +
10779 (vpd_data[i + 2] << 8)));
10780 continue;
10781 }
10782
10783 if (val != 0x90)
10784 goto out_not_found;
10785
10786 block_end = (i + 3 +
10787 (vpd_data[i + 1] +
10788 (vpd_data[i + 2] << 8)));
10789 i += 3;
10790
10791 if (block_end > 256)
10792 goto out_not_found;
10793
10794 while (i < (block_end - 2)) {
10795 if (vpd_data[i + 0] == 'P' &&
10796 vpd_data[i + 1] == 'N') {
10797 int partno_len = vpd_data[i + 2];
10798
10799 i += 3;
10800 if (partno_len > 24 || (partno_len + i) > 256)
10801 goto out_not_found;
10802
10803 memcpy(tp->board_part_number,
10804 &vpd_data[i], partno_len);
10805
10806 /* Success. */
10807 return;
10808 }
10809 i += 3 + vpd_data[i + 2];
10810 }
10811
10812 /* Part number not found. */
10813 goto out_not_found;
10814 }
10815
10816 out_not_found:
10817 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10818 strcpy(tp->board_part_number, "BCM95906");
10819 else
10820 strcpy(tp->board_part_number, "none");
10821 }
10822
10823 static void __devinit tg3_read_fw_ver(struct tg3 *tp)
10824 {
10825 u32 val, offset, start;
10826
10827 if (tg3_nvram_read_swab(tp, 0, &val))
10828 return;
10829
10830 if (val != TG3_EEPROM_MAGIC)
10831 return;
10832
10833 if (tg3_nvram_read_swab(tp, 0xc, &offset) ||
10834 tg3_nvram_read_swab(tp, 0x4, &start))
10835 return;
10836
10837 offset = tg3_nvram_logical_addr(tp, offset);
10838 if (tg3_nvram_read_swab(tp, offset, &val))
10839 return;
10840
10841 if ((val & 0xfc000000) == 0x0c000000) {
10842 u32 ver_offset, addr;
10843 int i;
10844
10845 if (tg3_nvram_read_swab(tp, offset + 4, &val) ||
10846 tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
10847 return;
10848
10849 if (val != 0)
10850 return;
10851
10852 addr = offset + ver_offset - start;
10853 for (i = 0; i < 16; i += 4) {
10854 if (tg3_nvram_read(tp, addr + i, &val))
10855 return;
10856
10857 val = cpu_to_le32(val);
10858 memcpy(tp->fw_ver + i, &val, 4);
10859 }
10860 }
10861 }
10862
10863 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
10864
10865 static int __devinit tg3_get_invariants(struct tg3 *tp)
10866 {
10867 static struct pci_device_id write_reorder_chipsets[] = {
10868 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10869 PCI_DEVICE_ID_AMD_FE_GATE_700C) },
10870 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10871 PCI_DEVICE_ID_AMD_8131_BRIDGE) },
10872 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
10873 PCI_DEVICE_ID_VIA_8385_0) },
10874 { },
10875 };
10876 u32 misc_ctrl_reg;
10877 u32 cacheline_sz_reg;
10878 u32 pci_state_reg, grc_misc_cfg;
10879 u32 val;
10880 u16 pci_cmd;
10881 int err, pcie_cap;
10882
10883 /* Force memory write invalidate off. If we leave it on,
10884 * then on 5700_BX chips we have to enable a workaround.
10885 * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
10886 * to match the cacheline size. The Broadcom driver have this
10887 * workaround but turns MWI off all the times so never uses
10888 * it. This seems to suggest that the workaround is insufficient.
10889 */
10890 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10891 pci_cmd &= ~PCI_COMMAND_INVALIDATE;
10892 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10893
10894 /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
10895 * has the register indirect write enable bit set before
10896 * we try to access any of the MMIO registers. It is also
10897 * critical that the PCI-X hw workaround situation is decided
10898 * before that as well.
10899 */
10900 pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10901 &misc_ctrl_reg);
10902
10903 tp->pci_chip_rev_id = (misc_ctrl_reg >>
10904 MISC_HOST_CTRL_CHIPREV_SHIFT);
10905 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_USE_PROD_ID_REG) {
10906 u32 prod_id_asic_rev;
10907
10908 pci_read_config_dword(tp->pdev, TG3PCI_PRODID_ASICREV,
10909 &prod_id_asic_rev);
10910 tp->pci_chip_rev_id = prod_id_asic_rev & PROD_ID_ASIC_REV_MASK;
10911 }
10912
10913 /* Wrong chip ID in 5752 A0. This code can be removed later
10914 * as A0 is not in production.
10915 */
10916 if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
10917 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
10918
10919 /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
10920 * we need to disable memory and use config. cycles
10921 * only to access all registers. The 5702/03 chips
10922 * can mistakenly decode the special cycles from the
10923 * ICH chipsets as memory write cycles, causing corruption
10924 * of register and memory space. Only certain ICH bridges
10925 * will drive special cycles with non-zero data during the
10926 * address phase which can fall within the 5703's address
10927 * range. This is not an ICH bug as the PCI spec allows
10928 * non-zero address during special cycles. However, only
10929 * these ICH bridges are known to drive non-zero addresses
10930 * during special cycles.
10931 *
10932 * Since special cycles do not cross PCI bridges, we only
10933 * enable this workaround if the 5703 is on the secondary
10934 * bus of these ICH bridges.
10935 */
10936 if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
10937 (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
10938 static struct tg3_dev_id {
10939 u32 vendor;
10940 u32 device;
10941 u32 rev;
10942 } ich_chipsets[] = {
10943 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
10944 PCI_ANY_ID },
10945 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
10946 PCI_ANY_ID },
10947 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
10948 0xa },
10949 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
10950 PCI_ANY_ID },
10951 { },
10952 };
10953 struct tg3_dev_id *pci_id = &ich_chipsets[0];
10954 struct pci_dev *bridge = NULL;
10955
10956 while (pci_id->vendor != 0) {
10957 bridge = pci_get_device(pci_id->vendor, pci_id->device,
10958 bridge);
10959 if (!bridge) {
10960 pci_id++;
10961 continue;
10962 }
10963 if (pci_id->rev != PCI_ANY_ID) {
10964 if (bridge->revision > pci_id->rev)
10965 continue;
10966 }
10967 if (bridge->subordinate &&
10968 (bridge->subordinate->number ==
10969 tp->pdev->bus->number)) {
10970
10971 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
10972 pci_dev_put(bridge);
10973 break;
10974 }
10975 }
10976 }
10977
10978 /* The EPB bridge inside 5714, 5715, and 5780 cannot support
10979 * DMA addresses > 40-bit. This bridge may have other additional
10980 * 57xx devices behind it in some 4-port NIC designs for example.
10981 * Any tg3 device found behind the bridge will also need the 40-bit
10982 * DMA workaround.
10983 */
10984 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
10985 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
10986 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
10987 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
10988 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
10989 }
10990 else {
10991 struct pci_dev *bridge = NULL;
10992
10993 do {
10994 bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
10995 PCI_DEVICE_ID_SERVERWORKS_EPB,
10996 bridge);
10997 if (bridge && bridge->subordinate &&
10998 (bridge->subordinate->number <=
10999 tp->pdev->bus->number) &&
11000 (bridge->subordinate->subordinate >=
11001 tp->pdev->bus->number)) {
11002 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
11003 pci_dev_put(bridge);
11004 break;
11005 }
11006 } while (bridge);
11007 }
11008
11009 /* Initialize misc host control in PCI block. */
11010 tp->misc_host_ctrl |= (misc_ctrl_reg &
11011 MISC_HOST_CTRL_CHIPREV);
11012 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
11013 tp->misc_host_ctrl);
11014
11015 pci_read_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
11016 &cacheline_sz_reg);
11017
11018 tp->pci_cacheline_sz = (cacheline_sz_reg >> 0) & 0xff;
11019 tp->pci_lat_timer = (cacheline_sz_reg >> 8) & 0xff;
11020 tp->pci_hdr_type = (cacheline_sz_reg >> 16) & 0xff;
11021 tp->pci_bist = (cacheline_sz_reg >> 24) & 0xff;
11022
11023 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
11024 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
11025 tp->pdev_peer = tg3_find_peer(tp);
11026
11027 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
11028 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
11029 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
11030 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
11031 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11032 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
11033 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
11034 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
11035 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
11036
11037 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
11038 (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
11039 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
11040
11041 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
11042 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
11043 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
11044 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX ||
11045 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 &&
11046 tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 &&
11047 tp->pdev_peer == tp->pdev))
11048 tp->tg3_flags &= ~TG3_FLAG_SUPPORT_MSI;
11049
11050 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
11051 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
11052 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11053 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
11054 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11055 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
11056 tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
11057 } else {
11058 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
11059 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
11060 ASIC_REV_5750 &&
11061 tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
11062 tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
11063 }
11064 }
11065
11066 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
11067 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 &&
11068 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
11069 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755 &&
11070 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787 &&
11071 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
11072 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761 &&
11073 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
11074 tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
11075
11076 pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
11077 if (pcie_cap != 0) {
11078 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
11079 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11080 u16 lnkctl;
11081
11082 pci_read_config_word(tp->pdev,
11083 pcie_cap + PCI_EXP_LNKCTL,
11084 &lnkctl);
11085 if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN)
11086 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
11087 }
11088 }
11089
11090 /* If we have an AMD 762 or VIA K8T800 chipset, write
11091 * reordering to the mailbox registers done by the host
11092 * controller can cause major troubles. We read back from
11093 * every mailbox register write to force the writes to be
11094 * posted to the chip in order.
11095 */
11096 if (pci_dev_present(write_reorder_chipsets) &&
11097 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
11098 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
11099
11100 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
11101 tp->pci_lat_timer < 64) {
11102 tp->pci_lat_timer = 64;
11103
11104 cacheline_sz_reg = ((tp->pci_cacheline_sz & 0xff) << 0);
11105 cacheline_sz_reg |= ((tp->pci_lat_timer & 0xff) << 8);
11106 cacheline_sz_reg |= ((tp->pci_hdr_type & 0xff) << 16);
11107 cacheline_sz_reg |= ((tp->pci_bist & 0xff) << 24);
11108
11109 pci_write_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
11110 cacheline_sz_reg);
11111 }
11112
11113 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
11114 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
11115 tp->pcix_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_PCIX);
11116 if (!tp->pcix_cap) {
11117 printk(KERN_ERR PFX "Cannot find PCI-X "
11118 "capability, aborting.\n");
11119 return -EIO;
11120 }
11121 }
11122
11123 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
11124 &pci_state_reg);
11125
11126 if (tp->pcix_cap && (pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) {
11127 tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
11128
11129 /* If this is a 5700 BX chipset, and we are in PCI-X
11130 * mode, enable register write workaround.
11131 *
11132 * The workaround is to use indirect register accesses
11133 * for all chip writes not to mailbox registers.
11134 */
11135 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
11136 u32 pm_reg;
11137
11138 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
11139
11140 /* The chip can have it's power management PCI config
11141 * space registers clobbered due to this bug.
11142 * So explicitly force the chip into D0 here.
11143 */
11144 pci_read_config_dword(tp->pdev,
11145 tp->pm_cap + PCI_PM_CTRL,
11146 &pm_reg);
11147 pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
11148 pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
11149 pci_write_config_dword(tp->pdev,
11150 tp->pm_cap + PCI_PM_CTRL,
11151 pm_reg);
11152
11153 /* Also, force SERR#/PERR# in PCI command. */
11154 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
11155 pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
11156 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
11157 }
11158 }
11159
11160 /* 5700 BX chips need to have their TX producer index mailboxes
11161 * written twice to workaround a bug.
11162 */
11163 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
11164 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
11165
11166 if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
11167 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
11168 if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
11169 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
11170
11171 /* Chip-specific fixup from Broadcom driver */
11172 if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
11173 (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
11174 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
11175 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
11176 }
11177
11178 /* Default fast path register access methods */
11179 tp->read32 = tg3_read32;
11180 tp->write32 = tg3_write32;
11181 tp->read32_mbox = tg3_read32;
11182 tp->write32_mbox = tg3_write32;
11183 tp->write32_tx_mbox = tg3_write32;
11184 tp->write32_rx_mbox = tg3_write32;
11185
11186 /* Various workaround register access methods */
11187 if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
11188 tp->write32 = tg3_write_indirect_reg32;
11189 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
11190 ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
11191 tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) {
11192 /*
11193 * Back to back register writes can cause problems on these
11194 * chips, the workaround is to read back all reg writes
11195 * except those to mailbox regs.
11196 *
11197 * See tg3_write_indirect_reg32().
11198 */
11199 tp->write32 = tg3_write_flush_reg32;
11200 }
11201
11202
11203 if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
11204 (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
11205 tp->write32_tx_mbox = tg3_write32_tx_mbox;
11206 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
11207 tp->write32_rx_mbox = tg3_write_flush_reg32;
11208 }
11209
11210 if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
11211 tp->read32 = tg3_read_indirect_reg32;
11212 tp->write32 = tg3_write_indirect_reg32;
11213 tp->read32_mbox = tg3_read_indirect_mbox;
11214 tp->write32_mbox = tg3_write_indirect_mbox;
11215 tp->write32_tx_mbox = tg3_write_indirect_mbox;
11216 tp->write32_rx_mbox = tg3_write_indirect_mbox;
11217
11218 iounmap(tp->regs);
11219 tp->regs = NULL;
11220
11221 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
11222 pci_cmd &= ~PCI_COMMAND_MEMORY;
11223 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
11224 }
11225 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11226 tp->read32_mbox = tg3_read32_mbox_5906;
11227 tp->write32_mbox = tg3_write32_mbox_5906;
11228 tp->write32_tx_mbox = tg3_write32_mbox_5906;
11229 tp->write32_rx_mbox = tg3_write32_mbox_5906;
11230 }
11231
11232 if (tp->write32 == tg3_write_indirect_reg32 ||
11233 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
11234 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11235 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
11236 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
11237
11238 /* Get eeprom hw config before calling tg3_set_power_state().
11239 * In particular, the TG3_FLG2_IS_NIC flag must be
11240 * determined before calling tg3_set_power_state() so that
11241 * we know whether or not to switch out of Vaux power.
11242 * When the flag is set, it means that GPIO1 is used for eeprom
11243 * write protect and also implies that it is a LOM where GPIOs
11244 * are not used to switch power.
11245 */
11246 tg3_get_eeprom_hw_cfg(tp);
11247
11248 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
11249 /* Allow reads and writes to the
11250 * APE register and memory space.
11251 */
11252 pci_state_reg |= PCISTATE_ALLOW_APE_CTLSPC_WR |
11253 PCISTATE_ALLOW_APE_SHMEM_WR;
11254 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE,
11255 pci_state_reg);
11256 }
11257
11258 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11259 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
11260 tp->tg3_flags |= TG3_FLAG_CPMU_PRESENT;
11261
11262 /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
11263 * GPIO1 driven high will bring 5700's external PHY out of reset.
11264 * It is also used as eeprom write protect on LOMs.
11265 */
11266 tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
11267 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
11268 (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
11269 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
11270 GRC_LCLCTRL_GPIO_OUTPUT1);
11271 /* Unused GPIO3 must be driven as output on 5752 because there
11272 * are no pull-up resistors on unused GPIO pins.
11273 */
11274 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
11275 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
11276
11277 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
11278 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
11279
11280 /* Force the chip into D0. */
11281 err = tg3_set_power_state(tp, PCI_D0);
11282 if (err) {
11283 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
11284 pci_name(tp->pdev));
11285 return err;
11286 }
11287
11288 /* 5700 B0 chips do not support checksumming correctly due
11289 * to hardware bugs.
11290 */
11291 if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
11292 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
11293
11294 /* Derive initial jumbo mode from MTU assigned in
11295 * ether_setup() via the alloc_etherdev() call
11296 */
11297 if (tp->dev->mtu > ETH_DATA_LEN &&
11298 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
11299 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
11300
11301 /* Determine WakeOnLan speed to use. */
11302 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11303 tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
11304 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
11305 tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
11306 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
11307 } else {
11308 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
11309 }
11310
11311 /* A few boards don't want Ethernet@WireSpeed phy feature */
11312 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
11313 ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
11314 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
11315 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
11316 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) ||
11317 (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
11318 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
11319
11320 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
11321 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
11322 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
11323 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
11324 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
11325
11326 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
11327 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
11328 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
11329 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11330 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) {
11331 if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
11332 tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
11333 tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
11334 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
11335 tp->tg3_flags2 |= TG3_FLG2_PHY_ADJUST_TRIM;
11336 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
11337 tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
11338 }
11339
11340 tp->coalesce_mode = 0;
11341 if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
11342 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
11343 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
11344
11345 /* Initialize MAC MI mode, polling disabled. */
11346 tw32_f(MAC_MI_MODE, tp->mi_mode);
11347 udelay(80);
11348
11349 /* Initialize data/descriptor byte/word swapping. */
11350 val = tr32(GRC_MODE);
11351 val &= GRC_MODE_HOST_STACKUP;
11352 tw32(GRC_MODE, val | tp->grc_mode);
11353
11354 tg3_switch_clocks(tp);
11355
11356 /* Clear this out for sanity. */
11357 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
11358
11359 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
11360 &pci_state_reg);
11361 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
11362 (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
11363 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
11364
11365 if (chiprevid == CHIPREV_ID_5701_A0 ||
11366 chiprevid == CHIPREV_ID_5701_B0 ||
11367 chiprevid == CHIPREV_ID_5701_B2 ||
11368 chiprevid == CHIPREV_ID_5701_B5) {
11369 void __iomem *sram_base;
11370
11371 /* Write some dummy words into the SRAM status block
11372 * area, see if it reads back correctly. If the return
11373 * value is bad, force enable the PCIX workaround.
11374 */
11375 sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
11376
11377 writel(0x00000000, sram_base);
11378 writel(0x00000000, sram_base + 4);
11379 writel(0xffffffff, sram_base + 4);
11380 if (readl(sram_base) != 0x00000000)
11381 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
11382 }
11383 }
11384
11385 udelay(50);
11386 tg3_nvram_init(tp);
11387
11388 grc_misc_cfg = tr32(GRC_MISC_CFG);
11389 grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
11390
11391 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
11392 (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
11393 grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
11394 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
11395
11396 if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
11397 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
11398 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
11399 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
11400 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
11401 HOSTCC_MODE_CLRTICK_TXBD);
11402
11403 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
11404 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
11405 tp->misc_host_ctrl);
11406 }
11407
11408 /* these are limited to 10/100 only */
11409 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
11410 (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
11411 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
11412 tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
11413 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
11414 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
11415 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
11416 (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
11417 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
11418 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
11419 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
11420 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11421 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
11422
11423 err = tg3_phy_probe(tp);
11424 if (err) {
11425 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
11426 pci_name(tp->pdev), err);
11427 /* ... but do not return immediately ... */
11428 }
11429
11430 tg3_read_partno(tp);
11431 tg3_read_fw_ver(tp);
11432
11433 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
11434 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
11435 } else {
11436 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
11437 tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
11438 else
11439 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
11440 }
11441
11442 /* 5700 {AX,BX} chips have a broken status block link
11443 * change bit implementation, so we must use the
11444 * status register in those cases.
11445 */
11446 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
11447 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
11448 else
11449 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
11450
11451 /* The led_ctrl is set during tg3_phy_probe, here we might
11452 * have to force the link status polling mechanism based
11453 * upon subsystem IDs.
11454 */
11455 if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
11456 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
11457 !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
11458 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
11459 TG3_FLAG_USE_LINKCHG_REG);
11460 }
11461
11462 /* For all SERDES we poll the MAC status register. */
11463 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
11464 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
11465 else
11466 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
11467
11468 /* All chips before 5787 can get confused if TX buffers
11469 * straddle the 4GB address boundary in some cases.
11470 */
11471 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
11472 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
11473 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11474 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
11475 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11476 tp->dev->hard_start_xmit = tg3_start_xmit;
11477 else
11478 tp->dev->hard_start_xmit = tg3_start_xmit_dma_bug;
11479
11480 tp->rx_offset = 2;
11481 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
11482 (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
11483 tp->rx_offset = 0;
11484
11485 tp->rx_std_max_post = TG3_RX_RING_SIZE;
11486
11487 /* Increment the rx prod index on the rx std ring by at most
11488 * 8 for these chips to workaround hw errata.
11489 */
11490 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
11491 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
11492 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
11493 tp->rx_std_max_post = 8;
11494
11495 if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND)
11496 tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
11497 PCIE_PWR_MGMT_L1_THRESH_MSK;
11498
11499 return err;
11500 }
11501
11502 #ifdef CONFIG_SPARC
11503 static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
11504 {
11505 struct net_device *dev = tp->dev;
11506 struct pci_dev *pdev = tp->pdev;
11507 struct device_node *dp = pci_device_to_OF_node(pdev);
11508 const unsigned char *addr;
11509 int len;
11510
11511 addr = of_get_property(dp, "local-mac-address", &len);
11512 if (addr && len == 6) {
11513 memcpy(dev->dev_addr, addr, 6);
11514 memcpy(dev->perm_addr, dev->dev_addr, 6);
11515 return 0;
11516 }
11517 return -ENODEV;
11518 }
11519
11520 static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
11521 {
11522 struct net_device *dev = tp->dev;
11523
11524 memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
11525 memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
11526 return 0;
11527 }
11528 #endif
11529
11530 static int __devinit tg3_get_device_address(struct tg3 *tp)
11531 {
11532 struct net_device *dev = tp->dev;
11533 u32 hi, lo, mac_offset;
11534 int addr_ok = 0;
11535
11536 #ifdef CONFIG_SPARC
11537 if (!tg3_get_macaddr_sparc(tp))
11538 return 0;
11539 #endif
11540
11541 mac_offset = 0x7c;
11542 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
11543 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
11544 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
11545 mac_offset = 0xcc;
11546 if (tg3_nvram_lock(tp))
11547 tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
11548 else
11549 tg3_nvram_unlock(tp);
11550 }
11551 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11552 mac_offset = 0x10;
11553
11554 /* First try to get it from MAC address mailbox. */
11555 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
11556 if ((hi >> 16) == 0x484b) {
11557 dev->dev_addr[0] = (hi >> 8) & 0xff;
11558 dev->dev_addr[1] = (hi >> 0) & 0xff;
11559
11560 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
11561 dev->dev_addr[2] = (lo >> 24) & 0xff;
11562 dev->dev_addr[3] = (lo >> 16) & 0xff;
11563 dev->dev_addr[4] = (lo >> 8) & 0xff;
11564 dev->dev_addr[5] = (lo >> 0) & 0xff;
11565
11566 /* Some old bootcode may report a 0 MAC address in SRAM */
11567 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
11568 }
11569 if (!addr_ok) {
11570 /* Next, try NVRAM. */
11571 if (!tg3_nvram_read(tp, mac_offset + 0, &hi) &&
11572 !tg3_nvram_read(tp, mac_offset + 4, &lo)) {
11573 dev->dev_addr[0] = ((hi >> 16) & 0xff);
11574 dev->dev_addr[1] = ((hi >> 24) & 0xff);
11575 dev->dev_addr[2] = ((lo >> 0) & 0xff);
11576 dev->dev_addr[3] = ((lo >> 8) & 0xff);
11577 dev->dev_addr[4] = ((lo >> 16) & 0xff);
11578 dev->dev_addr[5] = ((lo >> 24) & 0xff);
11579 }
11580 /* Finally just fetch it out of the MAC control regs. */
11581 else {
11582 hi = tr32(MAC_ADDR_0_HIGH);
11583 lo = tr32(MAC_ADDR_0_LOW);
11584
11585 dev->dev_addr[5] = lo & 0xff;
11586 dev->dev_addr[4] = (lo >> 8) & 0xff;
11587 dev->dev_addr[3] = (lo >> 16) & 0xff;
11588 dev->dev_addr[2] = (lo >> 24) & 0xff;
11589 dev->dev_addr[1] = hi & 0xff;
11590 dev->dev_addr[0] = (hi >> 8) & 0xff;
11591 }
11592 }
11593
11594 if (!is_valid_ether_addr(&dev->dev_addr[0])) {
11595 #ifdef CONFIG_SPARC64
11596 if (!tg3_get_default_macaddr_sparc(tp))
11597 return 0;
11598 #endif
11599 return -EINVAL;
11600 }
11601 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
11602 return 0;
11603 }
11604
11605 #define BOUNDARY_SINGLE_CACHELINE 1
11606 #define BOUNDARY_MULTI_CACHELINE 2
11607
11608 static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
11609 {
11610 int cacheline_size;
11611 u8 byte;
11612 int goal;
11613
11614 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
11615 if (byte == 0)
11616 cacheline_size = 1024;
11617 else
11618 cacheline_size = (int) byte * 4;
11619
11620 /* On 5703 and later chips, the boundary bits have no
11621 * effect.
11622 */
11623 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11624 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
11625 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
11626 goto out;
11627
11628 #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
11629 goal = BOUNDARY_MULTI_CACHELINE;
11630 #else
11631 #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
11632 goal = BOUNDARY_SINGLE_CACHELINE;
11633 #else
11634 goal = 0;
11635 #endif
11636 #endif
11637
11638 if (!goal)
11639 goto out;
11640
11641 /* PCI controllers on most RISC systems tend to disconnect
11642 * when a device tries to burst across a cache-line boundary.
11643 * Therefore, letting tg3 do so just wastes PCI bandwidth.
11644 *
11645 * Unfortunately, for PCI-E there are only limited
11646 * write-side controls for this, and thus for reads
11647 * we will still get the disconnects. We'll also waste
11648 * these PCI cycles for both read and write for chips
11649 * other than 5700 and 5701 which do not implement the
11650 * boundary bits.
11651 */
11652 if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
11653 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
11654 switch (cacheline_size) {
11655 case 16:
11656 case 32:
11657 case 64:
11658 case 128:
11659 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11660 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
11661 DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
11662 } else {
11663 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11664 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11665 }
11666 break;
11667
11668 case 256:
11669 val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
11670 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
11671 break;
11672
11673 default:
11674 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11675 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11676 break;
11677 };
11678 } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11679 switch (cacheline_size) {
11680 case 16:
11681 case 32:
11682 case 64:
11683 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11684 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11685 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
11686 break;
11687 }
11688 /* fallthrough */
11689 case 128:
11690 default:
11691 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11692 val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
11693 break;
11694 };
11695 } else {
11696 switch (cacheline_size) {
11697 case 16:
11698 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11699 val |= (DMA_RWCTRL_READ_BNDRY_16 |
11700 DMA_RWCTRL_WRITE_BNDRY_16);
11701 break;
11702 }
11703 /* fallthrough */
11704 case 32:
11705 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11706 val |= (DMA_RWCTRL_READ_BNDRY_32 |
11707 DMA_RWCTRL_WRITE_BNDRY_32);
11708 break;
11709 }
11710 /* fallthrough */
11711 case 64:
11712 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11713 val |= (DMA_RWCTRL_READ_BNDRY_64 |
11714 DMA_RWCTRL_WRITE_BNDRY_64);
11715 break;
11716 }
11717 /* fallthrough */
11718 case 128:
11719 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11720 val |= (DMA_RWCTRL_READ_BNDRY_128 |
11721 DMA_RWCTRL_WRITE_BNDRY_128);
11722 break;
11723 }
11724 /* fallthrough */
11725 case 256:
11726 val |= (DMA_RWCTRL_READ_BNDRY_256 |
11727 DMA_RWCTRL_WRITE_BNDRY_256);
11728 break;
11729 case 512:
11730 val |= (DMA_RWCTRL_READ_BNDRY_512 |
11731 DMA_RWCTRL_WRITE_BNDRY_512);
11732 break;
11733 case 1024:
11734 default:
11735 val |= (DMA_RWCTRL_READ_BNDRY_1024 |
11736 DMA_RWCTRL_WRITE_BNDRY_1024);
11737 break;
11738 };
11739 }
11740
11741 out:
11742 return val;
11743 }
11744
11745 static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
11746 {
11747 struct tg3_internal_buffer_desc test_desc;
11748 u32 sram_dma_descs;
11749 int i, ret;
11750
11751 sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
11752
11753 tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
11754 tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
11755 tw32(RDMAC_STATUS, 0);
11756 tw32(WDMAC_STATUS, 0);
11757
11758 tw32(BUFMGR_MODE, 0);
11759 tw32(FTQ_RESET, 0);
11760
11761 test_desc.addr_hi = ((u64) buf_dma) >> 32;
11762 test_desc.addr_lo = buf_dma & 0xffffffff;
11763 test_desc.nic_mbuf = 0x00002100;
11764 test_desc.len = size;
11765
11766 /*
11767 * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
11768 * the *second* time the tg3 driver was getting loaded after an
11769 * initial scan.
11770 *
11771 * Broadcom tells me:
11772 * ...the DMA engine is connected to the GRC block and a DMA
11773 * reset may affect the GRC block in some unpredictable way...
11774 * The behavior of resets to individual blocks has not been tested.
11775 *
11776 * Broadcom noted the GRC reset will also reset all sub-components.
11777 */
11778 if (to_device) {
11779 test_desc.cqid_sqid = (13 << 8) | 2;
11780
11781 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
11782 udelay(40);
11783 } else {
11784 test_desc.cqid_sqid = (16 << 8) | 7;
11785
11786 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
11787 udelay(40);
11788 }
11789 test_desc.flags = 0x00000005;
11790
11791 for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
11792 u32 val;
11793
11794 val = *(((u32 *)&test_desc) + i);
11795 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
11796 sram_dma_descs + (i * sizeof(u32)));
11797 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
11798 }
11799 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
11800
11801 if (to_device) {
11802 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
11803 } else {
11804 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
11805 }
11806
11807 ret = -ENODEV;
11808 for (i = 0; i < 40; i++) {
11809 u32 val;
11810
11811 if (to_device)
11812 val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
11813 else
11814 val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
11815 if ((val & 0xffff) == sram_dma_descs) {
11816 ret = 0;
11817 break;
11818 }
11819
11820 udelay(100);
11821 }
11822
11823 return ret;
11824 }
11825
11826 #define TEST_BUFFER_SIZE 0x2000
11827
11828 static int __devinit tg3_test_dma(struct tg3 *tp)
11829 {
11830 dma_addr_t buf_dma;
11831 u32 *buf, saved_dma_rwctrl;
11832 int ret;
11833
11834 buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
11835 if (!buf) {
11836 ret = -ENOMEM;
11837 goto out_nofree;
11838 }
11839
11840 tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
11841 (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
11842
11843 tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
11844
11845 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11846 /* DMA read watermark not used on PCIE */
11847 tp->dma_rwctrl |= 0x00180000;
11848 } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
11849 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
11850 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
11851 tp->dma_rwctrl |= 0x003f0000;
11852 else
11853 tp->dma_rwctrl |= 0x003f000f;
11854 } else {
11855 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11856 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
11857 u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
11858 u32 read_water = 0x7;
11859
11860 /* If the 5704 is behind the EPB bridge, we can
11861 * do the less restrictive ONE_DMA workaround for
11862 * better performance.
11863 */
11864 if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
11865 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11866 tp->dma_rwctrl |= 0x8000;
11867 else if (ccval == 0x6 || ccval == 0x7)
11868 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
11869
11870 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
11871 read_water = 4;
11872 /* Set bit 23 to enable PCIX hw bug fix */
11873 tp->dma_rwctrl |=
11874 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
11875 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
11876 (1 << 23);
11877 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
11878 /* 5780 always in PCIX mode */
11879 tp->dma_rwctrl |= 0x00144000;
11880 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
11881 /* 5714 always in PCIX mode */
11882 tp->dma_rwctrl |= 0x00148000;
11883 } else {
11884 tp->dma_rwctrl |= 0x001b000f;
11885 }
11886 }
11887
11888 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11889 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11890 tp->dma_rwctrl &= 0xfffffff0;
11891
11892 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11893 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
11894 /* Remove this if it causes problems for some boards. */
11895 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
11896
11897 /* On 5700/5701 chips, we need to set this bit.
11898 * Otherwise the chip will issue cacheline transactions
11899 * to streamable DMA memory with not all the byte
11900 * enables turned on. This is an error on several
11901 * RISC PCI controllers, in particular sparc64.
11902 *
11903 * On 5703/5704 chips, this bit has been reassigned
11904 * a different meaning. In particular, it is used
11905 * on those chips to enable a PCI-X workaround.
11906 */
11907 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
11908 }
11909
11910 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11911
11912 #if 0
11913 /* Unneeded, already done by tg3_get_invariants. */
11914 tg3_switch_clocks(tp);
11915 #endif
11916
11917 ret = 0;
11918 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11919 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
11920 goto out;
11921
11922 /* It is best to perform DMA test with maximum write burst size
11923 * to expose the 5700/5701 write DMA bug.
11924 */
11925 saved_dma_rwctrl = tp->dma_rwctrl;
11926 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11927 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11928
11929 while (1) {
11930 u32 *p = buf, i;
11931
11932 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
11933 p[i] = i;
11934
11935 /* Send the buffer to the chip. */
11936 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
11937 if (ret) {
11938 printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
11939 break;
11940 }
11941
11942 #if 0
11943 /* validate data reached card RAM correctly. */
11944 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
11945 u32 val;
11946 tg3_read_mem(tp, 0x2100 + (i*4), &val);
11947 if (le32_to_cpu(val) != p[i]) {
11948 printk(KERN_ERR " tg3_test_dma() Card buffer corrupted on write! (%d != %d)\n", val, i);
11949 /* ret = -ENODEV here? */
11950 }
11951 p[i] = 0;
11952 }
11953 #endif
11954 /* Now read it back. */
11955 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
11956 if (ret) {
11957 printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
11958
11959 break;
11960 }
11961
11962 /* Verify it. */
11963 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
11964 if (p[i] == i)
11965 continue;
11966
11967 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
11968 DMA_RWCTRL_WRITE_BNDRY_16) {
11969 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11970 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
11971 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11972 break;
11973 } else {
11974 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
11975 ret = -ENODEV;
11976 goto out;
11977 }
11978 }
11979
11980 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
11981 /* Success. */
11982 ret = 0;
11983 break;
11984 }
11985 }
11986 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
11987 DMA_RWCTRL_WRITE_BNDRY_16) {
11988 static struct pci_device_id dma_wait_state_chipsets[] = {
11989 { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
11990 PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
11991 { },
11992 };
11993
11994 /* DMA test passed without adjusting DMA boundary,
11995 * now look for chipsets that are known to expose the
11996 * DMA bug without failing the test.
11997 */
11998 if (pci_dev_present(dma_wait_state_chipsets)) {
11999 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
12000 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
12001 }
12002 else
12003 /* Safe to use the calculated DMA boundary. */
12004 tp->dma_rwctrl = saved_dma_rwctrl;
12005
12006 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
12007 }
12008
12009 out:
12010 pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
12011 out_nofree:
12012 return ret;
12013 }
12014
12015 static void __devinit tg3_init_link_config(struct tg3 *tp)
12016 {
12017 tp->link_config.advertising =
12018 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
12019 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
12020 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
12021 ADVERTISED_Autoneg | ADVERTISED_MII);
12022 tp->link_config.speed = SPEED_INVALID;
12023 tp->link_config.duplex = DUPLEX_INVALID;
12024 tp->link_config.autoneg = AUTONEG_ENABLE;
12025 tp->link_config.active_speed = SPEED_INVALID;
12026 tp->link_config.active_duplex = DUPLEX_INVALID;
12027 tp->link_config.phy_is_low_power = 0;
12028 tp->link_config.orig_speed = SPEED_INVALID;
12029 tp->link_config.orig_duplex = DUPLEX_INVALID;
12030 tp->link_config.orig_autoneg = AUTONEG_INVALID;
12031 }
12032
12033 static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
12034 {
12035 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
12036 tp->bufmgr_config.mbuf_read_dma_low_water =
12037 DEFAULT_MB_RDMA_LOW_WATER_5705;
12038 tp->bufmgr_config.mbuf_mac_rx_low_water =
12039 DEFAULT_MB_MACRX_LOW_WATER_5705;
12040 tp->bufmgr_config.mbuf_high_water =
12041 DEFAULT_MB_HIGH_WATER_5705;
12042 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
12043 tp->bufmgr_config.mbuf_mac_rx_low_water =
12044 DEFAULT_MB_MACRX_LOW_WATER_5906;
12045 tp->bufmgr_config.mbuf_high_water =
12046 DEFAULT_MB_HIGH_WATER_5906;
12047 }
12048
12049 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
12050 DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
12051 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
12052 DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
12053 tp->bufmgr_config.mbuf_high_water_jumbo =
12054 DEFAULT_MB_HIGH_WATER_JUMBO_5780;
12055 } else {
12056 tp->bufmgr_config.mbuf_read_dma_low_water =
12057 DEFAULT_MB_RDMA_LOW_WATER;
12058 tp->bufmgr_config.mbuf_mac_rx_low_water =
12059 DEFAULT_MB_MACRX_LOW_WATER;
12060 tp->bufmgr_config.mbuf_high_water =
12061 DEFAULT_MB_HIGH_WATER;
12062
12063 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
12064 DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
12065 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
12066 DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
12067 tp->bufmgr_config.mbuf_high_water_jumbo =
12068 DEFAULT_MB_HIGH_WATER_JUMBO;
12069 }
12070
12071 tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
12072 tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
12073 }
12074
12075 static char * __devinit tg3_phy_string(struct tg3 *tp)
12076 {
12077 switch (tp->phy_id & PHY_ID_MASK) {
12078 case PHY_ID_BCM5400: return "5400";
12079 case PHY_ID_BCM5401: return "5401";
12080 case PHY_ID_BCM5411: return "5411";
12081 case PHY_ID_BCM5701: return "5701";
12082 case PHY_ID_BCM5703: return "5703";
12083 case PHY_ID_BCM5704: return "5704";
12084 case PHY_ID_BCM5705: return "5705";
12085 case PHY_ID_BCM5750: return "5750";
12086 case PHY_ID_BCM5752: return "5752";
12087 case PHY_ID_BCM5714: return "5714";
12088 case PHY_ID_BCM5780: return "5780";
12089 case PHY_ID_BCM5755: return "5755";
12090 case PHY_ID_BCM5787: return "5787";
12091 case PHY_ID_BCM5784: return "5784";
12092 case PHY_ID_BCM5756: return "5722/5756";
12093 case PHY_ID_BCM5906: return "5906";
12094 case PHY_ID_BCM5761: return "5761";
12095 case PHY_ID_BCM8002: return "8002/serdes";
12096 case 0: return "serdes";
12097 default: return "unknown";
12098 };
12099 }
12100
12101 static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
12102 {
12103 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
12104 strcpy(str, "PCI Express");
12105 return str;
12106 } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
12107 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
12108
12109 strcpy(str, "PCIX:");
12110
12111 if ((clock_ctrl == 7) ||
12112 ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
12113 GRC_MISC_CFG_BOARD_ID_5704CIOBE))
12114 strcat(str, "133MHz");
12115 else if (clock_ctrl == 0)
12116 strcat(str, "33MHz");
12117 else if (clock_ctrl == 2)
12118 strcat(str, "50MHz");
12119 else if (clock_ctrl == 4)
12120 strcat(str, "66MHz");
12121 else if (clock_ctrl == 6)
12122 strcat(str, "100MHz");
12123 } else {
12124 strcpy(str, "PCI:");
12125 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
12126 strcat(str, "66MHz");
12127 else
12128 strcat(str, "33MHz");
12129 }
12130 if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
12131 strcat(str, ":32-bit");
12132 else
12133 strcat(str, ":64-bit");
12134 return str;
12135 }
12136
12137 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
12138 {
12139 struct pci_dev *peer;
12140 unsigned int func, devnr = tp->pdev->devfn & ~7;
12141
12142 for (func = 0; func < 8; func++) {
12143 peer = pci_get_slot(tp->pdev->bus, devnr | func);
12144 if (peer && peer != tp->pdev)
12145 break;
12146 pci_dev_put(peer);
12147 }
12148 /* 5704 can be configured in single-port mode, set peer to
12149 * tp->pdev in that case.
12150 */
12151 if (!peer) {
12152 peer = tp->pdev;
12153 return peer;
12154 }
12155
12156 /*
12157 * We don't need to keep the refcount elevated; there's no way
12158 * to remove one half of this device without removing the other
12159 */
12160 pci_dev_put(peer);
12161
12162 return peer;
12163 }
12164
12165 static void __devinit tg3_init_coal(struct tg3 *tp)
12166 {
12167 struct ethtool_coalesce *ec = &tp->coal;
12168
12169 memset(ec, 0, sizeof(*ec));
12170 ec->cmd = ETHTOOL_GCOALESCE;
12171 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
12172 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
12173 ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
12174 ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
12175 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
12176 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
12177 ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
12178 ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
12179 ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
12180
12181 if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
12182 HOSTCC_MODE_CLRTICK_TXBD)) {
12183 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
12184 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
12185 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
12186 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
12187 }
12188
12189 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
12190 ec->rx_coalesce_usecs_irq = 0;
12191 ec->tx_coalesce_usecs_irq = 0;
12192 ec->stats_block_coalesce_usecs = 0;
12193 }
12194 }
12195
12196 static int __devinit tg3_init_one(struct pci_dev *pdev,
12197 const struct pci_device_id *ent)
12198 {
12199 static int tg3_version_printed = 0;
12200 unsigned long tg3reg_base, tg3reg_len;
12201 struct net_device *dev;
12202 struct tg3 *tp;
12203 int i, err, pm_cap;
12204 char str[40];
12205 u64 dma_mask, persist_dma_mask;
12206
12207 if (tg3_version_printed++ == 0)
12208 printk(KERN_INFO "%s", version);
12209
12210 err = pci_enable_device(pdev);
12211 if (err) {
12212 printk(KERN_ERR PFX "Cannot enable PCI device, "
12213 "aborting.\n");
12214 return err;
12215 }
12216
12217 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
12218 printk(KERN_ERR PFX "Cannot find proper PCI device "
12219 "base address, aborting.\n");
12220 err = -ENODEV;
12221 goto err_out_disable_pdev;
12222 }
12223
12224 err = pci_request_regions(pdev, DRV_MODULE_NAME);
12225 if (err) {
12226 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
12227 "aborting.\n");
12228 goto err_out_disable_pdev;
12229 }
12230
12231 pci_set_master(pdev);
12232
12233 /* Find power-management capability. */
12234 pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
12235 if (pm_cap == 0) {
12236 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
12237 "aborting.\n");
12238 err = -EIO;
12239 goto err_out_free_res;
12240 }
12241
12242 tg3reg_base = pci_resource_start(pdev, 0);
12243 tg3reg_len = pci_resource_len(pdev, 0);
12244
12245 dev = alloc_etherdev(sizeof(*tp));
12246 if (!dev) {
12247 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
12248 err = -ENOMEM;
12249 goto err_out_free_res;
12250 }
12251
12252 SET_NETDEV_DEV(dev, &pdev->dev);
12253
12254 #if TG3_VLAN_TAG_USED
12255 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
12256 dev->vlan_rx_register = tg3_vlan_rx_register;
12257 #endif
12258
12259 tp = netdev_priv(dev);
12260 tp->pdev = pdev;
12261 tp->dev = dev;
12262 tp->pm_cap = pm_cap;
12263 tp->mac_mode = TG3_DEF_MAC_MODE;
12264 tp->rx_mode = TG3_DEF_RX_MODE;
12265 tp->tx_mode = TG3_DEF_TX_MODE;
12266 tp->mi_mode = MAC_MI_MODE_BASE;
12267 if (tg3_debug > 0)
12268 tp->msg_enable = tg3_debug;
12269 else
12270 tp->msg_enable = TG3_DEF_MSG_ENABLE;
12271
12272 /* The word/byte swap controls here control register access byte
12273 * swapping. DMA data byte swapping is controlled in the GRC_MODE
12274 * setting below.
12275 */
12276 tp->misc_host_ctrl =
12277 MISC_HOST_CTRL_MASK_PCI_INT |
12278 MISC_HOST_CTRL_WORD_SWAP |
12279 MISC_HOST_CTRL_INDIR_ACCESS |
12280 MISC_HOST_CTRL_PCISTATE_RW;
12281
12282 /* The NONFRM (non-frame) byte/word swap controls take effect
12283 * on descriptor entries, anything which isn't packet data.
12284 *
12285 * The StrongARM chips on the board (one for tx, one for rx)
12286 * are running in big-endian mode.
12287 */
12288 tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
12289 GRC_MODE_WSWAP_NONFRM_DATA);
12290 #ifdef __BIG_ENDIAN
12291 tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
12292 #endif
12293 spin_lock_init(&tp->lock);
12294 spin_lock_init(&tp->indirect_lock);
12295 INIT_WORK(&tp->reset_task, tg3_reset_task);
12296
12297 tp->regs = ioremap_nocache(tg3reg_base, tg3reg_len);
12298 if (!tp->regs) {
12299 printk(KERN_ERR PFX "Cannot map device registers, "
12300 "aborting.\n");
12301 err = -ENOMEM;
12302 goto err_out_free_dev;
12303 }
12304
12305 tg3_init_link_config(tp);
12306
12307 tp->rx_pending = TG3_DEF_RX_RING_PENDING;
12308 tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
12309 tp->tx_pending = TG3_DEF_TX_RING_PENDING;
12310
12311 dev->open = tg3_open;
12312 dev->stop = tg3_close;
12313 dev->get_stats = tg3_get_stats;
12314 dev->set_multicast_list = tg3_set_rx_mode;
12315 dev->set_mac_address = tg3_set_mac_addr;
12316 dev->do_ioctl = tg3_ioctl;
12317 dev->tx_timeout = tg3_tx_timeout;
12318 netif_napi_add(dev, &tp->napi, tg3_poll, 64);
12319 dev->ethtool_ops = &tg3_ethtool_ops;
12320 dev->watchdog_timeo = TG3_TX_TIMEOUT;
12321 dev->change_mtu = tg3_change_mtu;
12322 dev->irq = pdev->irq;
12323 #ifdef CONFIG_NET_POLL_CONTROLLER
12324 dev->poll_controller = tg3_poll_controller;
12325 #endif
12326
12327 err = tg3_get_invariants(tp);
12328 if (err) {
12329 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
12330 "aborting.\n");
12331 goto err_out_iounmap;
12332 }
12333
12334 /* The EPB bridge inside 5714, 5715, and 5780 and any
12335 * device behind the EPB cannot support DMA addresses > 40-bit.
12336 * On 64-bit systems with IOMMU, use 40-bit dma_mask.
12337 * On 64-bit systems without IOMMU, use 64-bit dma_mask and
12338 * do DMA address check in tg3_start_xmit().
12339 */
12340 if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
12341 persist_dma_mask = dma_mask = DMA_32BIT_MASK;
12342 else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
12343 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
12344 #ifdef CONFIG_HIGHMEM
12345 dma_mask = DMA_64BIT_MASK;
12346 #endif
12347 } else
12348 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
12349
12350 /* Configure DMA attributes. */
12351 if (dma_mask > DMA_32BIT_MASK) {
12352 err = pci_set_dma_mask(pdev, dma_mask);
12353 if (!err) {
12354 dev->features |= NETIF_F_HIGHDMA;
12355 err = pci_set_consistent_dma_mask(pdev,
12356 persist_dma_mask);
12357 if (err < 0) {
12358 printk(KERN_ERR PFX "Unable to obtain 64 bit "
12359 "DMA for consistent allocations\n");
12360 goto err_out_iounmap;
12361 }
12362 }
12363 }
12364 if (err || dma_mask == DMA_32BIT_MASK) {
12365 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
12366 if (err) {
12367 printk(KERN_ERR PFX "No usable DMA configuration, "
12368 "aborting.\n");
12369 goto err_out_iounmap;
12370 }
12371 }
12372
12373 tg3_init_bufmgr_config(tp);
12374
12375 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
12376 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
12377 }
12378 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12379 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
12380 tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
12381 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
12382 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
12383 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
12384 } else {
12385 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG;
12386 }
12387
12388 /* TSO is on by default on chips that support hardware TSO.
12389 * Firmware TSO on older chips gives lower performance, so it
12390 * is off by default, but can be enabled using ethtool.
12391 */
12392 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
12393 dev->features |= NETIF_F_TSO;
12394 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
12395 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906))
12396 dev->features |= NETIF_F_TSO6;
12397 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
12398 dev->features |= NETIF_F_TSO_ECN;
12399 }
12400
12401
12402 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
12403 !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
12404 !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
12405 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
12406 tp->rx_pending = 63;
12407 }
12408
12409 err = tg3_get_device_address(tp);
12410 if (err) {
12411 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
12412 "aborting.\n");
12413 goto err_out_iounmap;
12414 }
12415
12416 /*
12417 * Reset chip in case UNDI or EFI driver did not shutdown
12418 * DMA self test will enable WDMAC and we'll see (spurious)
12419 * pending DMA on the PCI bus at that point.
12420 */
12421 if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
12422 (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
12423 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
12424 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
12425 }
12426
12427 err = tg3_test_dma(tp);
12428 if (err) {
12429 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
12430 goto err_out_iounmap;
12431 }
12432
12433 /* Tigon3 can do ipv4 only... and some chips have buggy
12434 * checksumming.
12435 */
12436 if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
12437 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
12438 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
12439 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
12440 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
12441 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
12442 dev->features |= NETIF_F_IPV6_CSUM;
12443
12444 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
12445 } else
12446 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
12447
12448 /* flow control autonegotiation is default behavior */
12449 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
12450
12451 tg3_init_coal(tp);
12452
12453 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
12454 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
12455 printk(KERN_ERR PFX "Cannot find proper PCI device "
12456 "base address for APE, aborting.\n");
12457 err = -ENODEV;
12458 goto err_out_iounmap;
12459 }
12460
12461 tg3reg_base = pci_resource_start(pdev, 2);
12462 tg3reg_len = pci_resource_len(pdev, 2);
12463
12464 tp->aperegs = ioremap_nocache(tg3reg_base, tg3reg_len);
12465 if (tp->aperegs == 0UL) {
12466 printk(KERN_ERR PFX "Cannot map APE registers, "
12467 "aborting.\n");
12468 err = -ENOMEM;
12469 goto err_out_iounmap;
12470 }
12471
12472 tg3_ape_lock_init(tp);
12473 }
12474
12475 pci_set_drvdata(pdev, dev);
12476
12477 err = register_netdev(dev);
12478 if (err) {
12479 printk(KERN_ERR PFX "Cannot register net device, "
12480 "aborting.\n");
12481 goto err_out_apeunmap;
12482 }
12483
12484 printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (%s) %s Ethernet ",
12485 dev->name,
12486 tp->board_part_number,
12487 tp->pci_chip_rev_id,
12488 tg3_phy_string(tp),
12489 tg3_bus_string(tp, str),
12490 ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" :
12491 ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" :
12492 "10/100/1000Base-T")));
12493
12494 for (i = 0; i < 6; i++)
12495 printk("%2.2x%c", dev->dev_addr[i],
12496 i == 5 ? '\n' : ':');
12497
12498 printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] "
12499 "MIirq[%d] ASF[%d] WireSpeed[%d] TSOcap[%d]\n",
12500 dev->name,
12501 (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
12502 (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
12503 (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
12504 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
12505 (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
12506 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
12507 printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
12508 dev->name, tp->dma_rwctrl,
12509 (pdev->dma_mask == DMA_32BIT_MASK) ? 32 :
12510 (((u64) pdev->dma_mask == DMA_40BIT_MASK) ? 40 : 64));
12511
12512 return 0;
12513
12514 err_out_apeunmap:
12515 if (tp->aperegs) {
12516 iounmap(tp->aperegs);
12517 tp->aperegs = NULL;
12518 }
12519
12520 err_out_iounmap:
12521 if (tp->regs) {
12522 iounmap(tp->regs);
12523 tp->regs = NULL;
12524 }
12525
12526 err_out_free_dev:
12527 free_netdev(dev);
12528
12529 err_out_free_res:
12530 pci_release_regions(pdev);
12531
12532 err_out_disable_pdev:
12533 pci_disable_device(pdev);
12534 pci_set_drvdata(pdev, NULL);
12535 return err;
12536 }
12537
12538 static void __devexit tg3_remove_one(struct pci_dev *pdev)
12539 {
12540 struct net_device *dev = pci_get_drvdata(pdev);
12541
12542 if (dev) {
12543 struct tg3 *tp = netdev_priv(dev);
12544
12545 flush_scheduled_work();
12546 unregister_netdev(dev);
12547 if (tp->aperegs) {
12548 iounmap(tp->aperegs);
12549 tp->aperegs = NULL;
12550 }
12551 if (tp->regs) {
12552 iounmap(tp->regs);
12553 tp->regs = NULL;
12554 }
12555 free_netdev(dev);
12556 pci_release_regions(pdev);
12557 pci_disable_device(pdev);
12558 pci_set_drvdata(pdev, NULL);
12559 }
12560 }
12561
12562 static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
12563 {
12564 struct net_device *dev = pci_get_drvdata(pdev);
12565 struct tg3 *tp = netdev_priv(dev);
12566 int err;
12567
12568 /* PCI register 4 needs to be saved whether netif_running() or not.
12569 * MSI address and data need to be saved if using MSI and
12570 * netif_running().
12571 */
12572 pci_save_state(pdev);
12573
12574 if (!netif_running(dev))
12575 return 0;
12576
12577 flush_scheduled_work();
12578 tg3_netif_stop(tp);
12579
12580 del_timer_sync(&tp->timer);
12581
12582 tg3_full_lock(tp, 1);
12583 tg3_disable_ints(tp);
12584 tg3_full_unlock(tp);
12585
12586 netif_device_detach(dev);
12587
12588 tg3_full_lock(tp, 0);
12589 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
12590 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
12591 tg3_full_unlock(tp);
12592
12593 err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
12594 if (err) {
12595 tg3_full_lock(tp, 0);
12596
12597 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
12598 if (tg3_restart_hw(tp, 1))
12599 goto out;
12600
12601 tp->timer.expires = jiffies + tp->timer_offset;
12602 add_timer(&tp->timer);
12603
12604 netif_device_attach(dev);
12605 tg3_netif_start(tp);
12606
12607 out:
12608 tg3_full_unlock(tp);
12609 }
12610
12611 return err;
12612 }
12613
12614 static int tg3_resume(struct pci_dev *pdev)
12615 {
12616 struct net_device *dev = pci_get_drvdata(pdev);
12617 struct tg3 *tp = netdev_priv(dev);
12618 int err;
12619
12620 pci_restore_state(tp->pdev);
12621
12622 if (!netif_running(dev))
12623 return 0;
12624
12625 err = tg3_set_power_state(tp, PCI_D0);
12626 if (err)
12627 return err;
12628
12629 /* Hardware bug - MSI won't work if INTX disabled. */
12630 if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
12631 (tp->tg3_flags2 & TG3_FLG2_USING_MSI))
12632 pci_intx(tp->pdev, 1);
12633
12634 netif_device_attach(dev);
12635
12636 tg3_full_lock(tp, 0);
12637
12638 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
12639 err = tg3_restart_hw(tp, 1);
12640 if (err)
12641 goto out;
12642
12643 tp->timer.expires = jiffies + tp->timer_offset;
12644 add_timer(&tp->timer);
12645
12646 tg3_netif_start(tp);
12647
12648 out:
12649 tg3_full_unlock(tp);
12650
12651 return err;
12652 }
12653
12654 static struct pci_driver tg3_driver = {
12655 .name = DRV_MODULE_NAME,
12656 .id_table = tg3_pci_tbl,
12657 .probe = tg3_init_one,
12658 .remove = __devexit_p(tg3_remove_one),
12659 .suspend = tg3_suspend,
12660 .resume = tg3_resume
12661 };
12662
12663 static int __init tg3_init(void)
12664 {
12665 return pci_register_driver(&tg3_driver);
12666 }
12667
12668 static void __exit tg3_cleanup(void)
12669 {
12670 pci_unregister_driver(&tg3_driver);
12671 }
12672
12673 module_init(tg3_init);
12674 module_exit(tg3_cleanup);
Linux kernel - Deliverables
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