[SPARC/64] constify of_get_property return: drivers
[linux-2.6.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10  *      Derived from proprietary unpublished source code,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
44 #include <asm/system.h>
45 #include <asm/io.h>
46 #include <asm/byteorder.h>
47 #include <asm/uaccess.h>
48
49 #ifdef CONFIG_SPARC64
50 #include <asm/idprom.h>
51 #include <asm/oplib.h>
52 #include <asm/pbm.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      "3.75"
68 #define DRV_MODULE_RELDATE      "March 23, 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_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
202         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
203         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
204         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
205         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
206         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
207         {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
208         {}
209 };
210
211 MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
212
213 static const struct {
214         const char string[ETH_GSTRING_LEN];
215 } ethtool_stats_keys[TG3_NUM_STATS] = {
216         { "rx_octets" },
217         { "rx_fragments" },
218         { "rx_ucast_packets" },
219         { "rx_mcast_packets" },
220         { "rx_bcast_packets" },
221         { "rx_fcs_errors" },
222         { "rx_align_errors" },
223         { "rx_xon_pause_rcvd" },
224         { "rx_xoff_pause_rcvd" },
225         { "rx_mac_ctrl_rcvd" },
226         { "rx_xoff_entered" },
227         { "rx_frame_too_long_errors" },
228         { "rx_jabbers" },
229         { "rx_undersize_packets" },
230         { "rx_in_length_errors" },
231         { "rx_out_length_errors" },
232         { "rx_64_or_less_octet_packets" },
233         { "rx_65_to_127_octet_packets" },
234         { "rx_128_to_255_octet_packets" },
235         { "rx_256_to_511_octet_packets" },
236         { "rx_512_to_1023_octet_packets" },
237         { "rx_1024_to_1522_octet_packets" },
238         { "rx_1523_to_2047_octet_packets" },
239         { "rx_2048_to_4095_octet_packets" },
240         { "rx_4096_to_8191_octet_packets" },
241         { "rx_8192_to_9022_octet_packets" },
242
243         { "tx_octets" },
244         { "tx_collisions" },
245
246         { "tx_xon_sent" },
247         { "tx_xoff_sent" },
248         { "tx_flow_control" },
249         { "tx_mac_errors" },
250         { "tx_single_collisions" },
251         { "tx_mult_collisions" },
252         { "tx_deferred" },
253         { "tx_excessive_collisions" },
254         { "tx_late_collisions" },
255         { "tx_collide_2times" },
256         { "tx_collide_3times" },
257         { "tx_collide_4times" },
258         { "tx_collide_5times" },
259         { "tx_collide_6times" },
260         { "tx_collide_7times" },
261         { "tx_collide_8times" },
262         { "tx_collide_9times" },
263         { "tx_collide_10times" },
264         { "tx_collide_11times" },
265         { "tx_collide_12times" },
266         { "tx_collide_13times" },
267         { "tx_collide_14times" },
268         { "tx_collide_15times" },
269         { "tx_ucast_packets" },
270         { "tx_mcast_packets" },
271         { "tx_bcast_packets" },
272         { "tx_carrier_sense_errors" },
273         { "tx_discards" },
274         { "tx_errors" },
275
276         { "dma_writeq_full" },
277         { "dma_write_prioq_full" },
278         { "rxbds_empty" },
279         { "rx_discards" },
280         { "rx_errors" },
281         { "rx_threshold_hit" },
282
283         { "dma_readq_full" },
284         { "dma_read_prioq_full" },
285         { "tx_comp_queue_full" },
286
287         { "ring_set_send_prod_index" },
288         { "ring_status_update" },
289         { "nic_irqs" },
290         { "nic_avoided_irqs" },
291         { "nic_tx_threshold_hit" }
292 };
293
294 static const struct {
295         const char string[ETH_GSTRING_LEN];
296 } ethtool_test_keys[TG3_NUM_TEST] = {
297         { "nvram test     (online) " },
298         { "link test      (online) " },
299         { "register test  (offline)" },
300         { "memory test    (offline)" },
301         { "loopback test  (offline)" },
302         { "interrupt test (offline)" },
303 };
304
305 static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
306 {
307         writel(val, tp->regs + off);
308 }
309
310 static u32 tg3_read32(struct tg3 *tp, u32 off)
311 {
312         return (readl(tp->regs + off));
313 }
314
315 static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
316 {
317         unsigned long flags;
318
319         spin_lock_irqsave(&tp->indirect_lock, flags);
320         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
321         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
322         spin_unlock_irqrestore(&tp->indirect_lock, flags);
323 }
324
325 static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
326 {
327         writel(val, tp->regs + off);
328         readl(tp->regs + off);
329 }
330
331 static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
332 {
333         unsigned long flags;
334         u32 val;
335
336         spin_lock_irqsave(&tp->indirect_lock, flags);
337         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
338         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
339         spin_unlock_irqrestore(&tp->indirect_lock, flags);
340         return val;
341 }
342
343 static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
344 {
345         unsigned long flags;
346
347         if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
348                 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
349                                        TG3_64BIT_REG_LOW, val);
350                 return;
351         }
352         if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
353                 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
354                                        TG3_64BIT_REG_LOW, val);
355                 return;
356         }
357
358         spin_lock_irqsave(&tp->indirect_lock, flags);
359         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
360         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
361         spin_unlock_irqrestore(&tp->indirect_lock, flags);
362
363         /* In indirect mode when disabling interrupts, we also need
364          * to clear the interrupt bit in the GRC local ctrl register.
365          */
366         if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
367             (val == 0x1)) {
368                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
369                                        tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
370         }
371 }
372
373 static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
374 {
375         unsigned long flags;
376         u32 val;
377
378         spin_lock_irqsave(&tp->indirect_lock, flags);
379         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
380         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
381         spin_unlock_irqrestore(&tp->indirect_lock, flags);
382         return val;
383 }
384
385 /* usec_wait specifies the wait time in usec when writing to certain registers
386  * where it is unsafe to read back the register without some delay.
387  * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
388  * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
389  */
390 static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
391 {
392         if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
393             (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
394                 /* Non-posted methods */
395                 tp->write32(tp, off, val);
396         else {
397                 /* Posted method */
398                 tg3_write32(tp, off, val);
399                 if (usec_wait)
400                         udelay(usec_wait);
401                 tp->read32(tp, off);
402         }
403         /* Wait again after the read for the posted method to guarantee that
404          * the wait time is met.
405          */
406         if (usec_wait)
407                 udelay(usec_wait);
408 }
409
410 static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
411 {
412         tp->write32_mbox(tp, off, val);
413         if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
414             !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
415                 tp->read32_mbox(tp, off);
416 }
417
418 static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
419 {
420         void __iomem *mbox = tp->regs + off;
421         writel(val, mbox);
422         if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
423                 writel(val, mbox);
424         if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
425                 readl(mbox);
426 }
427
428 static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
429 {
430         return (readl(tp->regs + off + GRCMBOX_BASE));
431 }
432
433 static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
434 {
435         writel(val, tp->regs + off + GRCMBOX_BASE);
436 }
437
438 #define tw32_mailbox(reg, val)  tp->write32_mbox(tp, reg, val)
439 #define tw32_mailbox_f(reg, val)        tw32_mailbox_flush(tp, (reg), (val))
440 #define tw32_rx_mbox(reg, val)  tp->write32_rx_mbox(tp, reg, val)
441 #define tw32_tx_mbox(reg, val)  tp->write32_tx_mbox(tp, reg, val)
442 #define tr32_mailbox(reg)       tp->read32_mbox(tp, reg)
443
444 #define tw32(reg,val)           tp->write32(tp, reg, val)
445 #define tw32_f(reg,val)         _tw32_flush(tp,(reg),(val), 0)
446 #define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
447 #define tr32(reg)               tp->read32(tp, reg)
448
449 static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
450 {
451         unsigned long flags;
452
453         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
454             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
455                 return;
456
457         spin_lock_irqsave(&tp->indirect_lock, flags);
458         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
459                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
460                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
461
462                 /* Always leave this as zero. */
463                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
464         } else {
465                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
466                 tw32_f(TG3PCI_MEM_WIN_DATA, val);
467
468                 /* Always leave this as zero. */
469                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
470         }
471         spin_unlock_irqrestore(&tp->indirect_lock, flags);
472 }
473
474 static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
475 {
476         unsigned long flags;
477
478         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
479             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
480                 *val = 0;
481                 return;
482         }
483
484         spin_lock_irqsave(&tp->indirect_lock, flags);
485         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
486                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
487                 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
488
489                 /* Always leave this as zero. */
490                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
491         } else {
492                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
493                 *val = tr32(TG3PCI_MEM_WIN_DATA);
494
495                 /* Always leave this as zero. */
496                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
497         }
498         spin_unlock_irqrestore(&tp->indirect_lock, flags);
499 }
500
501 static void tg3_disable_ints(struct tg3 *tp)
502 {
503         tw32(TG3PCI_MISC_HOST_CTRL,
504              (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
505         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
506 }
507
508 static inline void tg3_cond_int(struct tg3 *tp)
509 {
510         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
511             (tp->hw_status->status & SD_STATUS_UPDATED))
512                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
513         else
514                 tw32(HOSTCC_MODE, tp->coalesce_mode |
515                      (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
516 }
517
518 static void tg3_enable_ints(struct tg3 *tp)
519 {
520         tp->irq_sync = 0;
521         wmb();
522
523         tw32(TG3PCI_MISC_HOST_CTRL,
524              (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
525         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
526                        (tp->last_tag << 24));
527         if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
528                 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
529                                (tp->last_tag << 24));
530         tg3_cond_int(tp);
531 }
532
533 static inline unsigned int tg3_has_work(struct tg3 *tp)
534 {
535         struct tg3_hw_status *sblk = tp->hw_status;
536         unsigned int work_exists = 0;
537
538         /* check for phy events */
539         if (!(tp->tg3_flags &
540               (TG3_FLAG_USE_LINKCHG_REG |
541                TG3_FLAG_POLL_SERDES))) {
542                 if (sblk->status & SD_STATUS_LINK_CHG)
543                         work_exists = 1;
544         }
545         /* check for RX/TX work to do */
546         if (sblk->idx[0].tx_consumer != tp->tx_cons ||
547             sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
548                 work_exists = 1;
549
550         return work_exists;
551 }
552
553 /* tg3_restart_ints
554  *  similar to tg3_enable_ints, but it accurately determines whether there
555  *  is new work pending and can return without flushing the PIO write
556  *  which reenables interrupts
557  */
558 static void tg3_restart_ints(struct tg3 *tp)
559 {
560         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
561                      tp->last_tag << 24);
562         mmiowb();
563
564         /* When doing tagged status, this work check is unnecessary.
565          * The last_tag we write above tells the chip which piece of
566          * work we've completed.
567          */
568         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
569             tg3_has_work(tp))
570                 tw32(HOSTCC_MODE, tp->coalesce_mode |
571                      (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
572 }
573
574 static inline void tg3_netif_stop(struct tg3 *tp)
575 {
576         tp->dev->trans_start = jiffies; /* prevent tx timeout */
577         netif_poll_disable(tp->dev);
578         netif_tx_disable(tp->dev);
579 }
580
581 static inline void tg3_netif_start(struct tg3 *tp)
582 {
583         netif_wake_queue(tp->dev);
584         /* NOTE: unconditional netif_wake_queue is only appropriate
585          * so long as all callers are assured to have free tx slots
586          * (such as after tg3_init_hw)
587          */
588         netif_poll_enable(tp->dev);
589         tp->hw_status->status |= SD_STATUS_UPDATED;
590         tg3_enable_ints(tp);
591 }
592
593 static void tg3_switch_clocks(struct tg3 *tp)
594 {
595         u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
596         u32 orig_clock_ctrl;
597
598         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
599                 return;
600
601         orig_clock_ctrl = clock_ctrl;
602         clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
603                        CLOCK_CTRL_CLKRUN_OENABLE |
604                        0x1f);
605         tp->pci_clock_ctrl = clock_ctrl;
606
607         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
608                 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
609                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
610                                     clock_ctrl | CLOCK_CTRL_625_CORE, 40);
611                 }
612         } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
613                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
614                             clock_ctrl |
615                             (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
616                             40);
617                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
618                             clock_ctrl | (CLOCK_CTRL_ALTCLK),
619                             40);
620         }
621         tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
622 }
623
624 #define PHY_BUSY_LOOPS  5000
625
626 static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
627 {
628         u32 frame_val;
629         unsigned int loops;
630         int ret;
631
632         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
633                 tw32_f(MAC_MI_MODE,
634                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
635                 udelay(80);
636         }
637
638         *val = 0x0;
639
640         frame_val  = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
641                       MI_COM_PHY_ADDR_MASK);
642         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
643                       MI_COM_REG_ADDR_MASK);
644         frame_val |= (MI_COM_CMD_READ | MI_COM_START);
645
646         tw32_f(MAC_MI_COM, frame_val);
647
648         loops = PHY_BUSY_LOOPS;
649         while (loops != 0) {
650                 udelay(10);
651                 frame_val = tr32(MAC_MI_COM);
652
653                 if ((frame_val & MI_COM_BUSY) == 0) {
654                         udelay(5);
655                         frame_val = tr32(MAC_MI_COM);
656                         break;
657                 }
658                 loops -= 1;
659         }
660
661         ret = -EBUSY;
662         if (loops != 0) {
663                 *val = frame_val & MI_COM_DATA_MASK;
664                 ret = 0;
665         }
666
667         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
668                 tw32_f(MAC_MI_MODE, tp->mi_mode);
669                 udelay(80);
670         }
671
672         return ret;
673 }
674
675 static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
676 {
677         u32 frame_val;
678         unsigned int loops;
679         int ret;
680
681         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 &&
682             (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
683                 return 0;
684
685         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
686                 tw32_f(MAC_MI_MODE,
687                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
688                 udelay(80);
689         }
690
691         frame_val  = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
692                       MI_COM_PHY_ADDR_MASK);
693         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
694                       MI_COM_REG_ADDR_MASK);
695         frame_val |= (val & MI_COM_DATA_MASK);
696         frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
697
698         tw32_f(MAC_MI_COM, frame_val);
699
700         loops = PHY_BUSY_LOOPS;
701         while (loops != 0) {
702                 udelay(10);
703                 frame_val = tr32(MAC_MI_COM);
704                 if ((frame_val & MI_COM_BUSY) == 0) {
705                         udelay(5);
706                         frame_val = tr32(MAC_MI_COM);
707                         break;
708                 }
709                 loops -= 1;
710         }
711
712         ret = -EBUSY;
713         if (loops != 0)
714                 ret = 0;
715
716         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
717                 tw32_f(MAC_MI_MODE, tp->mi_mode);
718                 udelay(80);
719         }
720
721         return ret;
722 }
723
724 static void tg3_phy_set_wirespeed(struct tg3 *tp)
725 {
726         u32 val;
727
728         if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
729                 return;
730
731         if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
732             !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
733                 tg3_writephy(tp, MII_TG3_AUX_CTRL,
734                              (val | (1 << 15) | (1 << 4)));
735 }
736
737 static int tg3_bmcr_reset(struct tg3 *tp)
738 {
739         u32 phy_control;
740         int limit, err;
741
742         /* OK, reset it, and poll the BMCR_RESET bit until it
743          * clears or we time out.
744          */
745         phy_control = BMCR_RESET;
746         err = tg3_writephy(tp, MII_BMCR, phy_control);
747         if (err != 0)
748                 return -EBUSY;
749
750         limit = 5000;
751         while (limit--) {
752                 err = tg3_readphy(tp, MII_BMCR, &phy_control);
753                 if (err != 0)
754                         return -EBUSY;
755
756                 if ((phy_control & BMCR_RESET) == 0) {
757                         udelay(40);
758                         break;
759                 }
760                 udelay(10);
761         }
762         if (limit <= 0)
763                 return -EBUSY;
764
765         return 0;
766 }
767
768 static int tg3_wait_macro_done(struct tg3 *tp)
769 {
770         int limit = 100;
771
772         while (limit--) {
773                 u32 tmp32;
774
775                 if (!tg3_readphy(tp, 0x16, &tmp32)) {
776                         if ((tmp32 & 0x1000) == 0)
777                                 break;
778                 }
779         }
780         if (limit <= 0)
781                 return -EBUSY;
782
783         return 0;
784 }
785
786 static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
787 {
788         static const u32 test_pat[4][6] = {
789         { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
790         { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
791         { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
792         { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
793         };
794         int chan;
795
796         for (chan = 0; chan < 4; chan++) {
797                 int i;
798
799                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
800                              (chan * 0x2000) | 0x0200);
801                 tg3_writephy(tp, 0x16, 0x0002);
802
803                 for (i = 0; i < 6; i++)
804                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
805                                      test_pat[chan][i]);
806
807                 tg3_writephy(tp, 0x16, 0x0202);
808                 if (tg3_wait_macro_done(tp)) {
809                         *resetp = 1;
810                         return -EBUSY;
811                 }
812
813                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
814                              (chan * 0x2000) | 0x0200);
815                 tg3_writephy(tp, 0x16, 0x0082);
816                 if (tg3_wait_macro_done(tp)) {
817                         *resetp = 1;
818                         return -EBUSY;
819                 }
820
821                 tg3_writephy(tp, 0x16, 0x0802);
822                 if (tg3_wait_macro_done(tp)) {
823                         *resetp = 1;
824                         return -EBUSY;
825                 }
826
827                 for (i = 0; i < 6; i += 2) {
828                         u32 low, high;
829
830                         if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
831                             tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
832                             tg3_wait_macro_done(tp)) {
833                                 *resetp = 1;
834                                 return -EBUSY;
835                         }
836                         low &= 0x7fff;
837                         high &= 0x000f;
838                         if (low != test_pat[chan][i] ||
839                             high != test_pat[chan][i+1]) {
840                                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
841                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
842                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
843
844                                 return -EBUSY;
845                         }
846                 }
847         }
848
849         return 0;
850 }
851
852 static int tg3_phy_reset_chanpat(struct tg3 *tp)
853 {
854         int chan;
855
856         for (chan = 0; chan < 4; chan++) {
857                 int i;
858
859                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
860                              (chan * 0x2000) | 0x0200);
861                 tg3_writephy(tp, 0x16, 0x0002);
862                 for (i = 0; i < 6; i++)
863                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
864                 tg3_writephy(tp, 0x16, 0x0202);
865                 if (tg3_wait_macro_done(tp))
866                         return -EBUSY;
867         }
868
869         return 0;
870 }
871
872 static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
873 {
874         u32 reg32, phy9_orig;
875         int retries, do_phy_reset, err;
876
877         retries = 10;
878         do_phy_reset = 1;
879         do {
880                 if (do_phy_reset) {
881                         err = tg3_bmcr_reset(tp);
882                         if (err)
883                                 return err;
884                         do_phy_reset = 0;
885                 }
886
887                 /* Disable transmitter and interrupt.  */
888                 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
889                         continue;
890
891                 reg32 |= 0x3000;
892                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
893
894                 /* Set full-duplex, 1000 mbps.  */
895                 tg3_writephy(tp, MII_BMCR,
896                              BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
897
898                 /* Set to master mode.  */
899                 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
900                         continue;
901
902                 tg3_writephy(tp, MII_TG3_CTRL,
903                              (MII_TG3_CTRL_AS_MASTER |
904                               MII_TG3_CTRL_ENABLE_AS_MASTER));
905
906                 /* Enable SM_DSP_CLOCK and 6dB.  */
907                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
908
909                 /* Block the PHY control access.  */
910                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
911                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
912
913                 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
914                 if (!err)
915                         break;
916         } while (--retries);
917
918         err = tg3_phy_reset_chanpat(tp);
919         if (err)
920                 return err;
921
922         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
923         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
924
925         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
926         tg3_writephy(tp, 0x16, 0x0000);
927
928         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
929             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
930                 /* Set Extended packet length bit for jumbo frames */
931                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
932         }
933         else {
934                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
935         }
936
937         tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
938
939         if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
940                 reg32 &= ~0x3000;
941                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
942         } else if (!err)
943                 err = -EBUSY;
944
945         return err;
946 }
947
948 static void tg3_link_report(struct tg3 *);
949
950 /* This will reset the tigon3 PHY if there is no valid
951  * link unless the FORCE argument is non-zero.
952  */
953 static int tg3_phy_reset(struct tg3 *tp)
954 {
955         u32 phy_status;
956         int err;
957
958         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
959                 u32 val;
960
961                 val = tr32(GRC_MISC_CFG);
962                 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
963                 udelay(40);
964         }
965         err  = tg3_readphy(tp, MII_BMSR, &phy_status);
966         err |= tg3_readphy(tp, MII_BMSR, &phy_status);
967         if (err != 0)
968                 return -EBUSY;
969
970         if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
971                 netif_carrier_off(tp->dev);
972                 tg3_link_report(tp);
973         }
974
975         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
976             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
977             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
978                 err = tg3_phy_reset_5703_4_5(tp);
979                 if (err)
980                         return err;
981                 goto out;
982         }
983
984         err = tg3_bmcr_reset(tp);
985         if (err)
986                 return err;
987
988 out:
989         if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
990                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
991                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
992                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
993                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
994                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
995                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
996         }
997         if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
998                 tg3_writephy(tp, 0x1c, 0x8d68);
999                 tg3_writephy(tp, 0x1c, 0x8d68);
1000         }
1001         if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
1002                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1003                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1004                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1005                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1006                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1007                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1008                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1009                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1010         }
1011         else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1012                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1013                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1014                 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADJUST_TRIM) {
1015                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
1016                         tg3_writephy(tp, MII_TG3_TEST1,
1017                                      MII_TG3_TEST1_TRIM_EN | 0x4);
1018                 } else
1019                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
1020                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1021         }
1022         /* Set Extended packet length bit (bit 14) on all chips that */
1023         /* support jumbo frames */
1024         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1025                 /* Cannot do read-modify-write on 5401 */
1026                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1027         } else if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1028                 u32 phy_reg;
1029
1030                 /* Set bit 14 with read-modify-write to preserve other bits */
1031                 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1032                     !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
1033                         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
1034         }
1035
1036         /* Set phy register 0x10 bit 0 to high fifo elasticity to support
1037          * jumbo frames transmission.
1038          */
1039         if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1040                 u32 phy_reg;
1041
1042                 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
1043                     tg3_writephy(tp, MII_TG3_EXT_CTRL,
1044                                  phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
1045         }
1046
1047         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1048                 u32 phy_reg;
1049
1050                 /* adjust output voltage */
1051                 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x12);
1052
1053                 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phy_reg)) {
1054                         u32 phy_reg2;
1055
1056                         tg3_writephy(tp, MII_TG3_EPHY_TEST,
1057                                      phy_reg | MII_TG3_EPHY_SHADOW_EN);
1058                         /* Enable auto-MDIX */
1059                         if (!tg3_readphy(tp, 0x10, &phy_reg2))
1060                                 tg3_writephy(tp, 0x10, phy_reg2 | 0x4000);
1061                         tg3_writephy(tp, MII_TG3_EPHY_TEST, phy_reg);
1062                 }
1063         }
1064
1065         tg3_phy_set_wirespeed(tp);
1066         return 0;
1067 }
1068
1069 static void tg3_frob_aux_power(struct tg3 *tp)
1070 {
1071         struct tg3 *tp_peer = tp;
1072
1073         if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0)
1074                 return;
1075
1076         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
1077             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
1078                 struct net_device *dev_peer;
1079
1080                 dev_peer = pci_get_drvdata(tp->pdev_peer);
1081                 /* remove_one() may have been run on the peer. */
1082                 if (!dev_peer)
1083                         tp_peer = tp;
1084                 else
1085                         tp_peer = netdev_priv(dev_peer);
1086         }
1087
1088         if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1089             (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
1090             (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1091             (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
1092                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1093                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1094                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1095                                     (GRC_LCLCTRL_GPIO_OE0 |
1096                                      GRC_LCLCTRL_GPIO_OE1 |
1097                                      GRC_LCLCTRL_GPIO_OE2 |
1098                                      GRC_LCLCTRL_GPIO_OUTPUT0 |
1099                                      GRC_LCLCTRL_GPIO_OUTPUT1),
1100                                     100);
1101                 } else {
1102                         u32 no_gpio2;
1103                         u32 grc_local_ctrl = 0;
1104
1105                         if (tp_peer != tp &&
1106                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1107                                 return;
1108
1109                         /* Workaround to prevent overdrawing Amps. */
1110                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
1111                             ASIC_REV_5714) {
1112                                 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
1113                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1114                                             grc_local_ctrl, 100);
1115                         }
1116
1117                         /* On 5753 and variants, GPIO2 cannot be used. */
1118                         no_gpio2 = tp->nic_sram_data_cfg &
1119                                     NIC_SRAM_DATA_CFG_NO_GPIO2;
1120
1121                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
1122                                          GRC_LCLCTRL_GPIO_OE1 |
1123                                          GRC_LCLCTRL_GPIO_OE2 |
1124                                          GRC_LCLCTRL_GPIO_OUTPUT1 |
1125                                          GRC_LCLCTRL_GPIO_OUTPUT2;
1126                         if (no_gpio2) {
1127                                 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
1128                                                     GRC_LCLCTRL_GPIO_OUTPUT2);
1129                         }
1130                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1131                                                     grc_local_ctrl, 100);
1132
1133                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
1134
1135                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1136                                                     grc_local_ctrl, 100);
1137
1138                         if (!no_gpio2) {
1139                                 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
1140                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1141                                             grc_local_ctrl, 100);
1142                         }
1143                 }
1144         } else {
1145                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
1146                     GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
1147                         if (tp_peer != tp &&
1148                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1149                                 return;
1150
1151                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1152                                     (GRC_LCLCTRL_GPIO_OE1 |
1153                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1154
1155                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1156                                     GRC_LCLCTRL_GPIO_OE1, 100);
1157
1158                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1159                                     (GRC_LCLCTRL_GPIO_OE1 |
1160                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1161                 }
1162         }
1163 }
1164
1165 static int tg3_setup_phy(struct tg3 *, int);
1166
1167 #define RESET_KIND_SHUTDOWN     0
1168 #define RESET_KIND_INIT         1
1169 #define RESET_KIND_SUSPEND      2
1170
1171 static void tg3_write_sig_post_reset(struct tg3 *, int);
1172 static int tg3_halt_cpu(struct tg3 *, u32);
1173 static int tg3_nvram_lock(struct tg3 *);
1174 static void tg3_nvram_unlock(struct tg3 *);
1175
1176 static void tg3_power_down_phy(struct tg3 *tp)
1177 {
1178         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
1179                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1180                         u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
1181                         u32 serdes_cfg = tr32(MAC_SERDES_CFG);
1182
1183                         sg_dig_ctrl |=
1184                                 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
1185                         tw32(SG_DIG_CTRL, sg_dig_ctrl);
1186                         tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
1187                 }
1188                 return;
1189         }
1190
1191         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1192                 u32 val;
1193
1194                 tg3_bmcr_reset(tp);
1195                 val = tr32(GRC_MISC_CFG);
1196                 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
1197                 udelay(40);
1198                 return;
1199         } else {
1200                 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1201                              MII_TG3_EXT_CTRL_FORCE_LED_OFF);
1202                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
1203         }
1204
1205         /* The PHY should not be powered down on some chips because
1206          * of bugs.
1207          */
1208         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1209             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1210             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
1211              (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
1212                 return;
1213         tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
1214 }
1215
1216 static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
1217 {
1218         u32 misc_host_ctrl;
1219         u16 power_control, power_caps;
1220         int pm = tp->pm_cap;
1221
1222         /* Make sure register accesses (indirect or otherwise)
1223          * will function correctly.
1224          */
1225         pci_write_config_dword(tp->pdev,
1226                                TG3PCI_MISC_HOST_CTRL,
1227                                tp->misc_host_ctrl);
1228
1229         pci_read_config_word(tp->pdev,
1230                              pm + PCI_PM_CTRL,
1231                              &power_control);
1232         power_control |= PCI_PM_CTRL_PME_STATUS;
1233         power_control &= ~(PCI_PM_CTRL_STATE_MASK);
1234         switch (state) {
1235         case PCI_D0:
1236                 power_control |= 0;
1237                 pci_write_config_word(tp->pdev,
1238                                       pm + PCI_PM_CTRL,
1239                                       power_control);
1240                 udelay(100);    /* Delay after power state change */
1241
1242                 /* Switch out of Vaux if it is a NIC */
1243                 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
1244                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
1245
1246                 return 0;
1247
1248         case PCI_D1:
1249                 power_control |= 1;
1250                 break;
1251
1252         case PCI_D2:
1253                 power_control |= 2;
1254                 break;
1255
1256         case PCI_D3hot:
1257                 power_control |= 3;
1258                 break;
1259
1260         default:
1261                 printk(KERN_WARNING PFX "%s: Invalid power state (%d) "
1262                        "requested.\n",
1263                        tp->dev->name, state);
1264                 return -EINVAL;
1265         };
1266
1267         power_control |= PCI_PM_CTRL_PME_ENABLE;
1268
1269         misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
1270         tw32(TG3PCI_MISC_HOST_CTRL,
1271              misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
1272
1273         if (tp->link_config.phy_is_low_power == 0) {
1274                 tp->link_config.phy_is_low_power = 1;
1275                 tp->link_config.orig_speed = tp->link_config.speed;
1276                 tp->link_config.orig_duplex = tp->link_config.duplex;
1277                 tp->link_config.orig_autoneg = tp->link_config.autoneg;
1278         }
1279
1280         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
1281                 tp->link_config.speed = SPEED_10;
1282                 tp->link_config.duplex = DUPLEX_HALF;
1283                 tp->link_config.autoneg = AUTONEG_ENABLE;
1284                 tg3_setup_phy(tp, 0);
1285         }
1286
1287         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1288                 u32 val;
1289
1290                 val = tr32(GRC_VCPU_EXT_CTRL);
1291                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
1292         } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
1293                 int i;
1294                 u32 val;
1295
1296                 for (i = 0; i < 200; i++) {
1297                         tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
1298                         if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
1299                                 break;
1300                         msleep(1);
1301                 }
1302         }
1303         tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
1304                                              WOL_DRV_STATE_SHUTDOWN |
1305                                              WOL_DRV_WOL | WOL_SET_MAGIC_PKT);
1306
1307         pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
1308
1309         if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
1310                 u32 mac_mode;
1311
1312                 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
1313                         tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
1314                         udelay(40);
1315
1316                         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
1317                                 mac_mode = MAC_MODE_PORT_MODE_GMII;
1318                         else
1319                                 mac_mode = MAC_MODE_PORT_MODE_MII;
1320
1321                         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 ||
1322                             !(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB))
1323                                 mac_mode |= MAC_MODE_LINK_POLARITY;
1324                 } else {
1325                         mac_mode = MAC_MODE_PORT_MODE_TBI;
1326                 }
1327
1328                 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
1329                         tw32(MAC_LED_CTRL, tp->led_ctrl);
1330
1331                 if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
1332                      (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)))
1333                         mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
1334
1335                 tw32_f(MAC_MODE, mac_mode);
1336                 udelay(100);
1337
1338                 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
1339                 udelay(10);
1340         }
1341
1342         if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
1343             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1344              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1345                 u32 base_val;
1346
1347                 base_val = tp->pci_clock_ctrl;
1348                 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
1349                              CLOCK_CTRL_TXCLK_DISABLE);
1350
1351                 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
1352                             CLOCK_CTRL_PWRDOWN_PLL133, 40);
1353         } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
1354                    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
1355                 /* do nothing */
1356         } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
1357                      (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
1358                 u32 newbits1, newbits2;
1359
1360                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1361                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1362                         newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
1363                                     CLOCK_CTRL_TXCLK_DISABLE |
1364                                     CLOCK_CTRL_ALTCLK);
1365                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1366                 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
1367                         newbits1 = CLOCK_CTRL_625_CORE;
1368                         newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
1369                 } else {
1370                         newbits1 = CLOCK_CTRL_ALTCLK;
1371                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1372                 }
1373
1374                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
1375                             40);
1376
1377                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
1378                             40);
1379
1380                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
1381                         u32 newbits3;
1382
1383                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1384                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1385                                 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
1386                                             CLOCK_CTRL_TXCLK_DISABLE |
1387                                             CLOCK_CTRL_44MHZ_CORE);
1388                         } else {
1389                                 newbits3 = CLOCK_CTRL_44MHZ_CORE;
1390                         }
1391
1392                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
1393                                     tp->pci_clock_ctrl | newbits3, 40);
1394                 }
1395         }
1396
1397         if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
1398             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
1399                 tg3_power_down_phy(tp);
1400
1401         tg3_frob_aux_power(tp);
1402
1403         /* Workaround for unstable PLL clock */
1404         if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
1405             (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
1406                 u32 val = tr32(0x7d00);
1407
1408                 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
1409                 tw32(0x7d00, val);
1410                 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
1411                         int err;
1412
1413                         err = tg3_nvram_lock(tp);
1414                         tg3_halt_cpu(tp, RX_CPU_BASE);
1415                         if (!err)
1416                                 tg3_nvram_unlock(tp);
1417                 }
1418         }
1419
1420         tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
1421
1422         /* Finally, set the new power state. */
1423         pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
1424         udelay(100);    /* Delay after power state change */
1425
1426         return 0;
1427 }
1428
1429 static void tg3_link_report(struct tg3 *tp)
1430 {
1431         if (!netif_carrier_ok(tp->dev)) {
1432                 if (netif_msg_link(tp))
1433                         printk(KERN_INFO PFX "%s: Link is down.\n",
1434                                tp->dev->name);
1435         } else if (netif_msg_link(tp)) {
1436                 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1437                        tp->dev->name,
1438                        (tp->link_config.active_speed == SPEED_1000 ?
1439                         1000 :
1440                         (tp->link_config.active_speed == SPEED_100 ?
1441                          100 : 10)),
1442                        (tp->link_config.active_duplex == DUPLEX_FULL ?
1443                         "full" : "half"));
1444
1445                 printk(KERN_INFO PFX "%s: Flow control is %s for TX and "
1446                        "%s for RX.\n",
1447                        tp->dev->name,
1448                        (tp->tg3_flags & TG3_FLAG_TX_PAUSE) ? "on" : "off",
1449                        (tp->tg3_flags & TG3_FLAG_RX_PAUSE) ? "on" : "off");
1450         }
1451 }
1452
1453 static void tg3_setup_flow_control(struct tg3 *tp, u32 local_adv, u32 remote_adv)
1454 {
1455         u32 new_tg3_flags = 0;
1456         u32 old_rx_mode = tp->rx_mode;
1457         u32 old_tx_mode = tp->tx_mode;
1458
1459         if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) {
1460
1461                 /* Convert 1000BaseX flow control bits to 1000BaseT
1462                  * bits before resolving flow control.
1463                  */
1464                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
1465                         local_adv &= ~(ADVERTISE_PAUSE_CAP |
1466                                        ADVERTISE_PAUSE_ASYM);
1467                         remote_adv &= ~(LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1468
1469                         if (local_adv & ADVERTISE_1000XPAUSE)
1470                                 local_adv |= ADVERTISE_PAUSE_CAP;
1471                         if (local_adv & ADVERTISE_1000XPSE_ASYM)
1472                                 local_adv |= ADVERTISE_PAUSE_ASYM;
1473                         if (remote_adv & LPA_1000XPAUSE)
1474                                 remote_adv |= LPA_PAUSE_CAP;
1475                         if (remote_adv & LPA_1000XPAUSE_ASYM)
1476                                 remote_adv |= LPA_PAUSE_ASYM;
1477                 }
1478
1479                 if (local_adv & ADVERTISE_PAUSE_CAP) {
1480                         if (local_adv & ADVERTISE_PAUSE_ASYM) {
1481                                 if (remote_adv & LPA_PAUSE_CAP)
1482                                         new_tg3_flags |=
1483                                                 (TG3_FLAG_RX_PAUSE |
1484                                                 TG3_FLAG_TX_PAUSE);
1485                                 else if (remote_adv & LPA_PAUSE_ASYM)
1486                                         new_tg3_flags |=
1487                                                 (TG3_FLAG_RX_PAUSE);
1488                         } else {
1489                                 if (remote_adv & LPA_PAUSE_CAP)
1490                                         new_tg3_flags |=
1491                                                 (TG3_FLAG_RX_PAUSE |
1492                                                 TG3_FLAG_TX_PAUSE);
1493                         }
1494                 } else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1495                         if ((remote_adv & LPA_PAUSE_CAP) &&
1496                         (remote_adv & LPA_PAUSE_ASYM))
1497                                 new_tg3_flags |= TG3_FLAG_TX_PAUSE;
1498                 }
1499
1500                 tp->tg3_flags &= ~(TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE);
1501                 tp->tg3_flags |= new_tg3_flags;
1502         } else {
1503                 new_tg3_flags = tp->tg3_flags;
1504         }
1505
1506         if (new_tg3_flags & TG3_FLAG_RX_PAUSE)
1507                 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1508         else
1509                 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1510
1511         if (old_rx_mode != tp->rx_mode) {
1512                 tw32_f(MAC_RX_MODE, tp->rx_mode);
1513         }
1514
1515         if (new_tg3_flags & TG3_FLAG_TX_PAUSE)
1516                 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1517         else
1518                 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1519
1520         if (old_tx_mode != tp->tx_mode) {
1521                 tw32_f(MAC_TX_MODE, tp->tx_mode);
1522         }
1523 }
1524
1525 static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
1526 {
1527         switch (val & MII_TG3_AUX_STAT_SPDMASK) {
1528         case MII_TG3_AUX_STAT_10HALF:
1529                 *speed = SPEED_10;
1530                 *duplex = DUPLEX_HALF;
1531                 break;
1532
1533         case MII_TG3_AUX_STAT_10FULL:
1534                 *speed = SPEED_10;
1535                 *duplex = DUPLEX_FULL;
1536                 break;
1537
1538         case MII_TG3_AUX_STAT_100HALF:
1539                 *speed = SPEED_100;
1540                 *duplex = DUPLEX_HALF;
1541                 break;
1542
1543         case MII_TG3_AUX_STAT_100FULL:
1544                 *speed = SPEED_100;
1545                 *duplex = DUPLEX_FULL;
1546                 break;
1547
1548         case MII_TG3_AUX_STAT_1000HALF:
1549                 *speed = SPEED_1000;
1550                 *duplex = DUPLEX_HALF;
1551                 break;
1552
1553         case MII_TG3_AUX_STAT_1000FULL:
1554                 *speed = SPEED_1000;
1555                 *duplex = DUPLEX_FULL;
1556                 break;
1557
1558         default:
1559                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1560                         *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
1561                                  SPEED_10;
1562                         *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
1563                                   DUPLEX_HALF;
1564                         break;
1565                 }
1566                 *speed = SPEED_INVALID;
1567                 *duplex = DUPLEX_INVALID;
1568                 break;
1569         };
1570 }
1571
1572 static void tg3_phy_copper_begin(struct tg3 *tp)
1573 {
1574         u32 new_adv;
1575         int i;
1576
1577         if (tp->link_config.phy_is_low_power) {
1578                 /* Entering low power mode.  Disable gigabit and
1579                  * 100baseT advertisements.
1580                  */
1581                 tg3_writephy(tp, MII_TG3_CTRL, 0);
1582
1583                 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
1584                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1585                 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
1586                         new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
1587
1588                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1589         } else if (tp->link_config.speed == SPEED_INVALID) {
1590                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
1591                         tp->link_config.advertising &=
1592                                 ~(ADVERTISED_1000baseT_Half |
1593                                   ADVERTISED_1000baseT_Full);
1594
1595                 new_adv = (ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1596                 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
1597                         new_adv |= ADVERTISE_10HALF;
1598                 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
1599                         new_adv |= ADVERTISE_10FULL;
1600                 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
1601                         new_adv |= ADVERTISE_100HALF;
1602                 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
1603                         new_adv |= ADVERTISE_100FULL;
1604                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1605
1606                 if (tp->link_config.advertising &
1607                     (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
1608                         new_adv = 0;
1609                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
1610                                 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
1611                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
1612                                 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
1613                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
1614                             (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1615                              tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
1616                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1617                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
1618                         tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1619                 } else {
1620                         tg3_writephy(tp, MII_TG3_CTRL, 0);
1621                 }
1622         } else {
1623                 /* Asking for a specific link mode. */
1624                 if (tp->link_config.speed == SPEED_1000) {
1625                         new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1626                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
1627
1628                         if (tp->link_config.duplex == DUPLEX_FULL)
1629                                 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
1630                         else
1631                                 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
1632                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1633                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
1634                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1635                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
1636                         tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1637                 } else {
1638                         tg3_writephy(tp, MII_TG3_CTRL, 0);
1639
1640                         new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1641                         if (tp->link_config.speed == SPEED_100) {
1642                                 if (tp->link_config.duplex == DUPLEX_FULL)
1643                                         new_adv |= ADVERTISE_100FULL;
1644                                 else
1645                                         new_adv |= ADVERTISE_100HALF;
1646                         } else {
1647                                 if (tp->link_config.duplex == DUPLEX_FULL)
1648                                         new_adv |= ADVERTISE_10FULL;
1649                                 else
1650                                         new_adv |= ADVERTISE_10HALF;
1651                         }
1652                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
1653                 }
1654         }
1655
1656         if (tp->link_config.autoneg == AUTONEG_DISABLE &&
1657             tp->link_config.speed != SPEED_INVALID) {
1658                 u32 bmcr, orig_bmcr;
1659
1660                 tp->link_config.active_speed = tp->link_config.speed;
1661                 tp->link_config.active_duplex = tp->link_config.duplex;
1662
1663                 bmcr = 0;
1664                 switch (tp->link_config.speed) {
1665                 default:
1666                 case SPEED_10:
1667                         break;
1668
1669                 case SPEED_100:
1670                         bmcr |= BMCR_SPEED100;
1671                         break;
1672
1673                 case SPEED_1000:
1674                         bmcr |= TG3_BMCR_SPEED1000;
1675                         break;
1676                 };
1677
1678                 if (tp->link_config.duplex == DUPLEX_FULL)
1679                         bmcr |= BMCR_FULLDPLX;
1680
1681                 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
1682                     (bmcr != orig_bmcr)) {
1683                         tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
1684                         for (i = 0; i < 1500; i++) {
1685                                 u32 tmp;
1686
1687                                 udelay(10);
1688                                 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
1689                                     tg3_readphy(tp, MII_BMSR, &tmp))
1690                                         continue;
1691                                 if (!(tmp & BMSR_LSTATUS)) {
1692                                         udelay(40);
1693                                         break;
1694                                 }
1695                         }
1696                         tg3_writephy(tp, MII_BMCR, bmcr);
1697                         udelay(40);
1698                 }
1699         } else {
1700                 tg3_writephy(tp, MII_BMCR,
1701                              BMCR_ANENABLE | BMCR_ANRESTART);
1702         }
1703 }
1704
1705 static int tg3_init_5401phy_dsp(struct tg3 *tp)
1706 {
1707         int err;
1708
1709         /* Turn off tap power management. */
1710         /* Set Extended packet length bit */
1711         err  = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1712
1713         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
1714         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
1715
1716         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
1717         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
1718
1719         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1720         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
1721
1722         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1723         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
1724
1725         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1726         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
1727
1728         udelay(40);
1729
1730         return err;
1731 }
1732
1733 static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
1734 {
1735         u32 adv_reg, all_mask = 0;
1736
1737         if (mask & ADVERTISED_10baseT_Half)
1738                 all_mask |= ADVERTISE_10HALF;
1739         if (mask & ADVERTISED_10baseT_Full)
1740                 all_mask |= ADVERTISE_10FULL;
1741         if (mask & ADVERTISED_100baseT_Half)
1742                 all_mask |= ADVERTISE_100HALF;
1743         if (mask & ADVERTISED_100baseT_Full)
1744                 all_mask |= ADVERTISE_100FULL;
1745
1746         if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
1747                 return 0;
1748
1749         if ((adv_reg & all_mask) != all_mask)
1750                 return 0;
1751         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1752                 u32 tg3_ctrl;
1753
1754                 all_mask = 0;
1755                 if (mask & ADVERTISED_1000baseT_Half)
1756                         all_mask |= ADVERTISE_1000HALF;
1757                 if (mask & ADVERTISED_1000baseT_Full)
1758                         all_mask |= ADVERTISE_1000FULL;
1759
1760                 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
1761                         return 0;
1762
1763                 if ((tg3_ctrl & all_mask) != all_mask)
1764                         return 0;
1765         }
1766         return 1;
1767 }
1768
1769 static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
1770 {
1771         int current_link_up;
1772         u32 bmsr, dummy;
1773         u16 current_speed;
1774         u8 current_duplex;
1775         int i, err;
1776
1777         tw32(MAC_EVENT, 0);
1778
1779         tw32_f(MAC_STATUS,
1780              (MAC_STATUS_SYNC_CHANGED |
1781               MAC_STATUS_CFG_CHANGED |
1782               MAC_STATUS_MI_COMPLETION |
1783               MAC_STATUS_LNKSTATE_CHANGED));
1784         udelay(40);
1785
1786         tp->mi_mode = MAC_MI_MODE_BASE;
1787         tw32_f(MAC_MI_MODE, tp->mi_mode);
1788         udelay(80);
1789
1790         tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
1791
1792         /* Some third-party PHYs need to be reset on link going
1793          * down.
1794          */
1795         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1796              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1797              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
1798             netif_carrier_ok(tp->dev)) {
1799                 tg3_readphy(tp, MII_BMSR, &bmsr);
1800                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1801                     !(bmsr & BMSR_LSTATUS))
1802                         force_reset = 1;
1803         }
1804         if (force_reset)
1805                 tg3_phy_reset(tp);
1806
1807         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1808                 tg3_readphy(tp, MII_BMSR, &bmsr);
1809                 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
1810                     !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
1811                         bmsr = 0;
1812
1813                 if (!(bmsr & BMSR_LSTATUS)) {
1814                         err = tg3_init_5401phy_dsp(tp);
1815                         if (err)
1816                                 return err;
1817
1818                         tg3_readphy(tp, MII_BMSR, &bmsr);
1819                         for (i = 0; i < 1000; i++) {
1820                                 udelay(10);
1821                                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1822                                     (bmsr & BMSR_LSTATUS)) {
1823                                         udelay(40);
1824                                         break;
1825                                 }
1826                         }
1827
1828                         if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
1829                             !(bmsr & BMSR_LSTATUS) &&
1830                             tp->link_config.active_speed == SPEED_1000) {
1831                                 err = tg3_phy_reset(tp);
1832                                 if (!err)
1833                                         err = tg3_init_5401phy_dsp(tp);
1834                                 if (err)
1835                                         return err;
1836                         }
1837                 }
1838         } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1839                    tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
1840                 /* 5701 {A0,B0} CRC bug workaround */
1841                 tg3_writephy(tp, 0x15, 0x0a75);
1842                 tg3_writephy(tp, 0x1c, 0x8c68);
1843                 tg3_writephy(tp, 0x1c, 0x8d68);
1844                 tg3_writephy(tp, 0x1c, 0x8c68);
1845         }
1846
1847         /* Clear pending interrupts... */
1848         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1849         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1850
1851         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
1852                 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
1853         else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
1854                 tg3_writephy(tp, MII_TG3_IMASK, ~0);
1855
1856         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1857             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1858                 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
1859                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
1860                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
1861                 else
1862                         tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
1863         }
1864
1865         current_link_up = 0;
1866         current_speed = SPEED_INVALID;
1867         current_duplex = DUPLEX_INVALID;
1868
1869         if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
1870                 u32 val;
1871
1872                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
1873                 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
1874                 if (!(val & (1 << 10))) {
1875                         val |= (1 << 10);
1876                         tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
1877                         goto relink;
1878                 }
1879         }
1880
1881         bmsr = 0;
1882         for (i = 0; i < 100; i++) {
1883                 tg3_readphy(tp, MII_BMSR, &bmsr);
1884                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1885                     (bmsr & BMSR_LSTATUS))
1886                         break;
1887                 udelay(40);
1888         }
1889
1890         if (bmsr & BMSR_LSTATUS) {
1891                 u32 aux_stat, bmcr;
1892
1893                 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
1894                 for (i = 0; i < 2000; i++) {
1895                         udelay(10);
1896                         if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
1897                             aux_stat)
1898                                 break;
1899                 }
1900
1901                 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
1902                                              &current_speed,
1903                                              &current_duplex);
1904
1905                 bmcr = 0;
1906                 for (i = 0; i < 200; i++) {
1907                         tg3_readphy(tp, MII_BMCR, &bmcr);
1908                         if (tg3_readphy(tp, MII_BMCR, &bmcr))
1909                                 continue;
1910                         if (bmcr && bmcr != 0x7fff)
1911                                 break;
1912                         udelay(10);
1913                 }
1914
1915                 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
1916                         if (bmcr & BMCR_ANENABLE) {
1917                                 current_link_up = 1;
1918
1919                                 /* Force autoneg restart if we are exiting
1920                                  * low power mode.
1921                                  */
1922                                 if (!tg3_copper_is_advertising_all(tp,
1923                                                 tp->link_config.advertising))
1924                                         current_link_up = 0;
1925                         } else {
1926                                 current_link_up = 0;
1927                         }
1928                 } else {
1929                         if (!(bmcr & BMCR_ANENABLE) &&
1930                             tp->link_config.speed == current_speed &&
1931                             tp->link_config.duplex == current_duplex) {
1932                                 current_link_up = 1;
1933                         } else {
1934                                 current_link_up = 0;
1935                         }
1936                 }
1937
1938                 tp->link_config.active_speed = current_speed;
1939                 tp->link_config.active_duplex = current_duplex;
1940         }
1941
1942         if (current_link_up == 1 &&
1943             (tp->link_config.active_duplex == DUPLEX_FULL) &&
1944             (tp->link_config.autoneg == AUTONEG_ENABLE)) {
1945                 u32 local_adv, remote_adv;
1946
1947                 if (tg3_readphy(tp, MII_ADVERTISE, &local_adv))
1948                         local_adv = 0;
1949                 local_adv &= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
1950
1951                 if (tg3_readphy(tp, MII_LPA, &remote_adv))
1952                         remote_adv = 0;
1953
1954                 remote_adv &= (LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1955
1956                 /* If we are not advertising full pause capability,
1957                  * something is wrong.  Bring the link down and reconfigure.
1958                  */
1959                 if (local_adv != ADVERTISE_PAUSE_CAP) {
1960                         current_link_up = 0;
1961                 } else {
1962                         tg3_setup_flow_control(tp, local_adv, remote_adv);
1963                 }
1964         }
1965 relink:
1966         if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
1967                 u32 tmp;
1968
1969                 tg3_phy_copper_begin(tp);
1970
1971                 tg3_readphy(tp, MII_BMSR, &tmp);
1972                 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
1973                     (tmp & BMSR_LSTATUS))
1974                         current_link_up = 1;
1975         }
1976
1977         tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
1978         if (current_link_up == 1) {
1979                 if (tp->link_config.active_speed == SPEED_100 ||
1980                     tp->link_config.active_speed == SPEED_10)
1981                         tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
1982                 else
1983                         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
1984         } else
1985                 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
1986
1987         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
1988         if (tp->link_config.active_duplex == DUPLEX_HALF)
1989                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
1990
1991         tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
1992         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
1993                 if ((tp->led_ctrl == LED_CTRL_MODE_PHY_2) ||
1994                     (current_link_up == 1 &&
1995                      tp->link_config.active_speed == SPEED_10))
1996                         tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1997         } else {
1998                 if (current_link_up == 1)
1999                         tp->mac_mode |= MAC_MODE_LINK_POLARITY;
2000         }
2001
2002         /* ??? Without this setting Netgear GA302T PHY does not
2003          * ??? send/receive packets...
2004          */
2005         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
2006             tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
2007                 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
2008                 tw32_f(MAC_MI_MODE, tp->mi_mode);
2009                 udelay(80);
2010         }
2011
2012         tw32_f(MAC_MODE, tp->mac_mode);
2013         udelay(40);
2014
2015         if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
2016                 /* Polled via timer. */
2017                 tw32_f(MAC_EVENT, 0);
2018         } else {
2019                 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2020         }
2021         udelay(40);
2022
2023         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
2024             current_link_up == 1 &&
2025             tp->link_config.active_speed == SPEED_1000 &&
2026             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
2027              (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
2028                 udelay(120);
2029                 tw32_f(MAC_STATUS,
2030                      (MAC_STATUS_SYNC_CHANGED |
2031                       MAC_STATUS_CFG_CHANGED));
2032                 udelay(40);
2033                 tg3_write_mem(tp,
2034                               NIC_SRAM_FIRMWARE_MBOX,
2035                               NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
2036         }
2037
2038         if (current_link_up != netif_carrier_ok(tp->dev)) {
2039                 if (current_link_up)
2040                         netif_carrier_on(tp->dev);
2041                 else
2042                         netif_carrier_off(tp->dev);
2043                 tg3_link_report(tp);
2044         }
2045
2046         return 0;
2047 }
2048
2049 struct tg3_fiber_aneginfo {
2050         int state;
2051 #define ANEG_STATE_UNKNOWN              0
2052 #define ANEG_STATE_AN_ENABLE            1
2053 #define ANEG_STATE_RESTART_INIT         2
2054 #define ANEG_STATE_RESTART              3
2055 #define ANEG_STATE_DISABLE_LINK_OK      4
2056 #define ANEG_STATE_ABILITY_DETECT_INIT  5
2057 #define ANEG_STATE_ABILITY_DETECT       6
2058 #define ANEG_STATE_ACK_DETECT_INIT      7
2059 #define ANEG_STATE_ACK_DETECT           8
2060 #define ANEG_STATE_COMPLETE_ACK_INIT    9
2061 #define ANEG_STATE_COMPLETE_ACK         10
2062 #define ANEG_STATE_IDLE_DETECT_INIT     11
2063 #define ANEG_STATE_IDLE_DETECT          12
2064 #define ANEG_STATE_LINK_OK              13
2065 #define ANEG_STATE_NEXT_PAGE_WAIT_INIT  14
2066 #define ANEG_STATE_NEXT_PAGE_WAIT       15
2067
2068         u32 flags;
2069 #define MR_AN_ENABLE            0x00000001
2070 #define MR_RESTART_AN           0x00000002
2071 #define MR_AN_COMPLETE          0x00000004
2072 #define MR_PAGE_RX              0x00000008
2073 #define MR_NP_LOADED            0x00000010
2074 #define MR_TOGGLE_TX            0x00000020
2075 #define MR_LP_ADV_FULL_DUPLEX   0x00000040
2076 #define MR_LP_ADV_HALF_DUPLEX   0x00000080
2077 #define MR_LP_ADV_SYM_PAUSE     0x00000100
2078 #define MR_LP_ADV_ASYM_PAUSE    0x00000200
2079 #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
2080 #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
2081 #define MR_LP_ADV_NEXT_PAGE     0x00001000
2082 #define MR_TOGGLE_RX            0x00002000
2083 #define MR_NP_RX                0x00004000
2084
2085 #define MR_LINK_OK              0x80000000
2086
2087         unsigned long link_time, cur_time;
2088
2089         u32 ability_match_cfg;
2090         int ability_match_count;
2091
2092         char ability_match, idle_match, ack_match;
2093
2094         u32 txconfig, rxconfig;
2095 #define ANEG_CFG_NP             0x00000080
2096 #define ANEG_CFG_ACK            0x00000040
2097 #define ANEG_CFG_RF2            0x00000020
2098 #define ANEG_CFG_RF1            0x00000010
2099 #define ANEG_CFG_PS2            0x00000001
2100 #define ANEG_CFG_PS1            0x00008000
2101 #define ANEG_CFG_HD             0x00004000
2102 #define ANEG_CFG_FD             0x00002000
2103 #define ANEG_CFG_INVAL          0x00001f06
2104
2105 };
2106 #define ANEG_OK         0
2107 #define ANEG_DONE       1
2108 #define ANEG_TIMER_ENAB 2
2109 #define ANEG_FAILED     -1
2110
2111 #define ANEG_STATE_SETTLE_TIME  10000
2112
2113 static int tg3_fiber_aneg_smachine(struct tg3 *tp,
2114                                    struct tg3_fiber_aneginfo *ap)
2115 {
2116         unsigned long delta;
2117         u32 rx_cfg_reg;
2118         int ret;
2119
2120         if (ap->state == ANEG_STATE_UNKNOWN) {
2121                 ap->rxconfig = 0;
2122                 ap->link_time = 0;
2123                 ap->cur_time = 0;
2124                 ap->ability_match_cfg = 0;
2125                 ap->ability_match_count = 0;
2126                 ap->ability_match = 0;
2127                 ap->idle_match = 0;
2128                 ap->ack_match = 0;
2129         }
2130         ap->cur_time++;
2131
2132         if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
2133                 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
2134
2135                 if (rx_cfg_reg != ap->ability_match_cfg) {
2136                         ap->ability_match_cfg = rx_cfg_reg;
2137                         ap->ability_match = 0;
2138                         ap->ability_match_count = 0;
2139                 } else {
2140                         if (++ap->ability_match_count > 1) {
2141                                 ap->ability_match = 1;
2142                                 ap->ability_match_cfg = rx_cfg_reg;
2143                         }
2144                 }
2145                 if (rx_cfg_reg & ANEG_CFG_ACK)
2146                         ap->ack_match = 1;
2147                 else
2148                         ap->ack_match = 0;
2149
2150                 ap->idle_match = 0;
2151         } else {
2152                 ap->idle_match = 1;
2153                 ap->ability_match_cfg = 0;
2154                 ap->ability_match_count = 0;
2155                 ap->ability_match = 0;
2156                 ap->ack_match = 0;
2157
2158                 rx_cfg_reg = 0;
2159         }
2160
2161         ap->rxconfig = rx_cfg_reg;
2162         ret = ANEG_OK;
2163
2164         switch(ap->state) {
2165         case ANEG_STATE_UNKNOWN:
2166                 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
2167                         ap->state = ANEG_STATE_AN_ENABLE;
2168
2169                 /* fallthru */
2170         case ANEG_STATE_AN_ENABLE:
2171                 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
2172                 if (ap->flags & MR_AN_ENABLE) {
2173                         ap->link_time = 0;
2174                         ap->cur_time = 0;
2175                         ap->ability_match_cfg = 0;
2176                         ap->ability_match_count = 0;
2177                         ap->ability_match = 0;
2178                         ap->idle_match = 0;
2179                         ap->ack_match = 0;
2180
2181                         ap->state = ANEG_STATE_RESTART_INIT;
2182                 } else {
2183                         ap->state = ANEG_STATE_DISABLE_LINK_OK;
2184                 }
2185                 break;
2186
2187         case ANEG_STATE_RESTART_INIT:
2188                 ap->link_time = ap->cur_time;
2189                 ap->flags &= ~(MR_NP_LOADED);
2190                 ap->txconfig = 0;
2191                 tw32(MAC_TX_AUTO_NEG, 0);
2192                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2193                 tw32_f(MAC_MODE, tp->mac_mode);
2194                 udelay(40);
2195
2196                 ret = ANEG_TIMER_ENAB;
2197                 ap->state = ANEG_STATE_RESTART;
2198
2199                 /* fallthru */
2200         case ANEG_STATE_RESTART:
2201                 delta = ap->cur_time - ap->link_time;
2202                 if (delta > ANEG_STATE_SETTLE_TIME) {
2203                         ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
2204                 } else {
2205                         ret = ANEG_TIMER_ENAB;
2206                 }
2207                 break;
2208
2209         case ANEG_STATE_DISABLE_LINK_OK:
2210                 ret = ANEG_DONE;
2211                 break;
2212
2213         case ANEG_STATE_ABILITY_DETECT_INIT:
2214                 ap->flags &= ~(MR_TOGGLE_TX);
2215                 ap->txconfig = (ANEG_CFG_FD | ANEG_CFG_PS1);
2216                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2217                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2218                 tw32_f(MAC_MODE, tp->mac_mode);
2219                 udelay(40);
2220
2221                 ap->state = ANEG_STATE_ABILITY_DETECT;
2222                 break;
2223
2224         case ANEG_STATE_ABILITY_DETECT:
2225                 if (ap->ability_match != 0 && ap->rxconfig != 0) {
2226                         ap->state = ANEG_STATE_ACK_DETECT_INIT;
2227                 }
2228                 break;
2229
2230         case ANEG_STATE_ACK_DETECT_INIT:
2231                 ap->txconfig |= ANEG_CFG_ACK;
2232                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2233                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2234                 tw32_f(MAC_MODE, tp->mac_mode);
2235                 udelay(40);
2236
2237                 ap->state = ANEG_STATE_ACK_DETECT;
2238
2239                 /* fallthru */
2240         case ANEG_STATE_ACK_DETECT:
2241                 if (ap->ack_match != 0) {
2242                         if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
2243                             (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
2244                                 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
2245                         } else {
2246                                 ap->state = ANEG_STATE_AN_ENABLE;
2247                         }
2248                 } else if (ap->ability_match != 0 &&
2249                            ap->rxconfig == 0) {
2250                         ap->state = ANEG_STATE_AN_ENABLE;
2251                 }
2252                 break;
2253
2254         case ANEG_STATE_COMPLETE_ACK_INIT:
2255                 if (ap->rxconfig & ANEG_CFG_INVAL) {
2256                         ret = ANEG_FAILED;
2257                         break;
2258                 }
2259                 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
2260                                MR_LP_ADV_HALF_DUPLEX |
2261                                MR_LP_ADV_SYM_PAUSE |
2262                                MR_LP_ADV_ASYM_PAUSE |
2263                                MR_LP_ADV_REMOTE_FAULT1 |
2264                                MR_LP_ADV_REMOTE_FAULT2 |
2265                                MR_LP_ADV_NEXT_PAGE |
2266                                MR_TOGGLE_RX |
2267                                MR_NP_RX);
2268                 if (ap->rxconfig & ANEG_CFG_FD)
2269                         ap->flags |= MR_LP_ADV_FULL_DUPLEX;
2270                 if (ap->rxconfig & ANEG_CFG_HD)
2271                         ap->flags |= MR_LP_ADV_HALF_DUPLEX;
2272                 if (ap->rxconfig & ANEG_CFG_PS1)
2273                         ap->flags |= MR_LP_ADV_SYM_PAUSE;
2274                 if (ap->rxconfig & ANEG_CFG_PS2)
2275                         ap->flags |= MR_LP_ADV_ASYM_PAUSE;
2276                 if (ap->rxconfig & ANEG_CFG_RF1)
2277                         ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
2278                 if (ap->rxconfig & ANEG_CFG_RF2)
2279                         ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
2280                 if (ap->rxconfig & ANEG_CFG_NP)
2281                         ap->flags |= MR_LP_ADV_NEXT_PAGE;
2282
2283                 ap->link_time = ap->cur_time;
2284
2285                 ap->flags ^= (MR_TOGGLE_TX);
2286                 if (ap->rxconfig & 0x0008)
2287                         ap->flags |= MR_TOGGLE_RX;
2288                 if (ap->rxconfig & ANEG_CFG_NP)
2289                         ap->flags |= MR_NP_RX;
2290                 ap->flags |= MR_PAGE_RX;
2291
2292                 ap->state = ANEG_STATE_COMPLETE_ACK;
2293                 ret = ANEG_TIMER_ENAB;
2294                 break;
2295
2296         case ANEG_STATE_COMPLETE_ACK:
2297                 if (ap->ability_match != 0 &&
2298                     ap->rxconfig == 0) {
2299                         ap->state = ANEG_STATE_AN_ENABLE;
2300                         break;
2301                 }
2302                 delta = ap->cur_time - ap->link_time;
2303                 if (delta > ANEG_STATE_SETTLE_TIME) {
2304                         if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
2305                                 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2306                         } else {
2307                                 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
2308                                     !(ap->flags & MR_NP_RX)) {
2309                                         ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2310                                 } else {
2311                                         ret = ANEG_FAILED;
2312                                 }
2313                         }
2314                 }
2315                 break;
2316
2317         case ANEG_STATE_IDLE_DETECT_INIT:
2318                 ap->link_time = ap->cur_time;
2319                 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2320                 tw32_f(MAC_MODE, tp->mac_mode);
2321                 udelay(40);
2322
2323                 ap->state = ANEG_STATE_IDLE_DETECT;
2324                 ret = ANEG_TIMER_ENAB;
2325                 break;
2326
2327         case ANEG_STATE_IDLE_DETECT:
2328                 if (ap->ability_match != 0 &&
2329                     ap->rxconfig == 0) {
2330                         ap->state = ANEG_STATE_AN_ENABLE;
2331                         break;
2332                 }
2333                 delta = ap->cur_time - ap->link_time;
2334                 if (delta > ANEG_STATE_SETTLE_TIME) {
2335                         /* XXX another gem from the Broadcom driver :( */
2336                         ap->state = ANEG_STATE_LINK_OK;
2337                 }
2338                 break;
2339
2340         case ANEG_STATE_LINK_OK:
2341                 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
2342                 ret = ANEG_DONE;
2343                 break;
2344
2345         case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
2346                 /* ??? unimplemented */
2347                 break;
2348
2349         case ANEG_STATE_NEXT_PAGE_WAIT:
2350                 /* ??? unimplemented */
2351                 break;
2352
2353         default:
2354                 ret = ANEG_FAILED;
2355                 break;
2356         };
2357
2358         return ret;
2359 }
2360
2361 static int fiber_autoneg(struct tg3 *tp, u32 *flags)
2362 {
2363         int res = 0;
2364         struct tg3_fiber_aneginfo aninfo;
2365         int status = ANEG_FAILED;
2366         unsigned int tick;
2367         u32 tmp;
2368
2369         tw32_f(MAC_TX_AUTO_NEG, 0);
2370
2371         tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
2372         tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
2373         udelay(40);
2374
2375         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
2376         udelay(40);
2377
2378         memset(&aninfo, 0, sizeof(aninfo));
2379         aninfo.flags |= MR_AN_ENABLE;
2380         aninfo.state = ANEG_STATE_UNKNOWN;
2381         aninfo.cur_time = 0;
2382         tick = 0;
2383         while (++tick < 195000) {
2384                 status = tg3_fiber_aneg_smachine(tp, &aninfo);
2385                 if (status == ANEG_DONE || status == ANEG_FAILED)
2386                         break;
2387
2388                 udelay(1);
2389         }
2390
2391         tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2392         tw32_f(MAC_MODE, tp->mac_mode);
2393         udelay(40);
2394
2395         *flags = aninfo.flags;
2396
2397         if (status == ANEG_DONE &&
2398             (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
2399                              MR_LP_ADV_FULL_DUPLEX)))
2400                 res = 1;
2401
2402         return res;
2403 }
2404
2405 static void tg3_init_bcm8002(struct tg3 *tp)
2406 {
2407         u32 mac_status = tr32(MAC_STATUS);
2408         int i;
2409
2410         /* Reset when initting first time or we have a link. */
2411         if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
2412             !(mac_status & MAC_STATUS_PCS_SYNCED))
2413                 return;
2414
2415         /* Set PLL lock range. */
2416         tg3_writephy(tp, 0x16, 0x8007);
2417
2418         /* SW reset */
2419         tg3_writephy(tp, MII_BMCR, BMCR_RESET);
2420
2421         /* Wait for reset to complete. */
2422         /* XXX schedule_timeout() ... */
2423         for (i = 0; i < 500; i++)
2424                 udelay(10);
2425
2426         /* Config mode; select PMA/Ch 1 regs. */
2427         tg3_writephy(tp, 0x10, 0x8411);
2428
2429         /* Enable auto-lock and comdet, select txclk for tx. */
2430         tg3_writephy(tp, 0x11, 0x0a10);
2431
2432         tg3_writephy(tp, 0x18, 0x00a0);
2433         tg3_writephy(tp, 0x16, 0x41ff);
2434
2435         /* Assert and deassert POR. */
2436         tg3_writephy(tp, 0x13, 0x0400);
2437         udelay(40);
2438         tg3_writephy(tp, 0x13, 0x0000);
2439
2440         tg3_writephy(tp, 0x11, 0x0a50);
2441         udelay(40);
2442         tg3_writephy(tp, 0x11, 0x0a10);
2443
2444         /* Wait for signal to stabilize */
2445         /* XXX schedule_timeout() ... */
2446         for (i = 0; i < 15000; i++)
2447                 udelay(10);
2448
2449         /* Deselect the channel register so we can read the PHYID
2450          * later.
2451          */
2452         tg3_writephy(tp, 0x10, 0x8011);
2453 }
2454
2455 static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
2456 {
2457         u32 sg_dig_ctrl, sg_dig_status;
2458         u32 serdes_cfg, expected_sg_dig_ctrl;
2459         int workaround, port_a;
2460         int current_link_up;
2461
2462         serdes_cfg = 0;
2463         expected_sg_dig_ctrl = 0;
2464         workaround = 0;
2465         port_a = 1;
2466         current_link_up = 0;
2467
2468         if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
2469             tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
2470                 workaround = 1;
2471                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
2472                         port_a = 0;
2473
2474                 /* preserve bits 0-11,13,14 for signal pre-emphasis */
2475                 /* preserve bits 20-23 for voltage regulator */
2476                 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
2477         }
2478
2479         sg_dig_ctrl = tr32(SG_DIG_CTRL);
2480
2481         if (tp->link_config.autoneg != AUTONEG_ENABLE) {
2482                 if (sg_dig_ctrl & (1 << 31)) {
2483                         if (workaround) {
2484                                 u32 val = serdes_cfg;
2485
2486                                 if (port_a)
2487                                         val |= 0xc010000;
2488                                 else
2489                                         val |= 0x4010000;
2490                                 tw32_f(MAC_SERDES_CFG, val);
2491                         }
2492                         tw32_f(SG_DIG_CTRL, 0x01388400);
2493                 }
2494                 if (mac_status & MAC_STATUS_PCS_SYNCED) {
2495                         tg3_setup_flow_control(tp, 0, 0);
2496                         current_link_up = 1;
2497                 }
2498                 goto out;
2499         }
2500
2501         /* Want auto-negotiation.  */
2502         expected_sg_dig_ctrl = 0x81388400;
2503
2504         /* Pause capability */
2505         expected_sg_dig_ctrl |= (1 << 11);
2506
2507         /* Asymettric pause */
2508         expected_sg_dig_ctrl |= (1 << 12);
2509
2510         if (sg_dig_ctrl != expected_sg_dig_ctrl) {
2511                 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
2512                     tp->serdes_counter &&
2513                     ((mac_status & (MAC_STATUS_PCS_SYNCED |
2514                                     MAC_STATUS_RCVD_CFG)) ==
2515                      MAC_STATUS_PCS_SYNCED)) {
2516                         tp->serdes_counter--;
2517                         current_link_up = 1;
2518                         goto out;
2519                 }
2520 restart_autoneg:
2521                 if (workaround)
2522                         tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
2523                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | (1 << 30));
2524                 udelay(5);
2525                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
2526
2527                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2528                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2529         } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
2530                                  MAC_STATUS_SIGNAL_DET)) {
2531                 sg_dig_status = tr32(SG_DIG_STATUS);
2532                 mac_status = tr32(MAC_STATUS);
2533
2534                 if ((sg_dig_status & (1 << 1)) &&
2535                     (mac_status & MAC_STATUS_PCS_SYNCED)) {
2536                         u32 local_adv, remote_adv;
2537
2538                         local_adv = ADVERTISE_PAUSE_CAP;
2539                         remote_adv = 0;
2540                         if (sg_dig_status & (1 << 19))
2541                                 remote_adv |= LPA_PAUSE_CAP;
2542                         if (sg_dig_status & (1 << 20))
2543                                 remote_adv |= LPA_PAUSE_ASYM;
2544
2545                         tg3_setup_flow_control(tp, local_adv, remote_adv);
2546                         current_link_up = 1;
2547                         tp->serdes_counter = 0;
2548                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2549                 } else if (!(sg_dig_status & (1 << 1))) {
2550                         if (tp->serdes_counter)
2551                                 tp->serdes_counter--;
2552                         else {
2553                                 if (workaround) {
2554                                         u32 val = serdes_cfg;
2555
2556                                         if (port_a)
2557                                                 val |= 0xc010000;
2558                                         else
2559                                                 val |= 0x4010000;
2560
2561                                         tw32_f(MAC_SERDES_CFG, val);
2562                                 }
2563
2564                                 tw32_f(SG_DIG_CTRL, 0x01388400);
2565                                 udelay(40);
2566
2567                                 /* Link parallel detection - link is up */
2568                                 /* only if we have PCS_SYNC and not */
2569                                 /* receiving config code words */
2570                                 mac_status = tr32(MAC_STATUS);
2571                                 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
2572                                     !(mac_status & MAC_STATUS_RCVD_CFG)) {
2573                                         tg3_setup_flow_control(tp, 0, 0);
2574                                         current_link_up = 1;
2575                                         tp->tg3_flags2 |=
2576                                                 TG3_FLG2_PARALLEL_DETECT;
2577                                         tp->serdes_counter =
2578                                                 SERDES_PARALLEL_DET_TIMEOUT;
2579                                 } else
2580                                         goto restart_autoneg;
2581                         }
2582                 }
2583         } else {
2584                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2585                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2586         }
2587
2588 out:
2589         return current_link_up;
2590 }
2591
2592 static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
2593 {
2594         int current_link_up = 0;
2595
2596         if (!(mac_status & MAC_STATUS_PCS_SYNCED)) {
2597                 tp->tg3_flags &= ~TG3_FLAG_GOT_SERDES_FLOWCTL;
2598                 goto out;
2599         }
2600
2601         if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2602                 u32 flags;
2603                 int i;
2604
2605                 if (fiber_autoneg(tp, &flags)) {
2606                         u32 local_adv, remote_adv;
2607
2608                         local_adv = ADVERTISE_PAUSE_CAP;
2609                         remote_adv = 0;
2610                         if (flags & MR_LP_ADV_SYM_PAUSE)
2611                                 remote_adv |= LPA_PAUSE_CAP;
2612                         if (flags & MR_LP_ADV_ASYM_PAUSE)
2613                                 remote_adv |= LPA_PAUSE_ASYM;
2614
2615                         tg3_setup_flow_control(tp, local_adv, remote_adv);
2616
2617                         tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
2618                         current_link_up = 1;
2619                 }
2620                 for (i = 0; i < 30; i++) {
2621                         udelay(20);
2622                         tw32_f(MAC_STATUS,
2623                                (MAC_STATUS_SYNC_CHANGED |
2624                                 MAC_STATUS_CFG_CHANGED));
2625                         udelay(40);
2626                         if ((tr32(MAC_STATUS) &
2627                              (MAC_STATUS_SYNC_CHANGED |
2628                               MAC_STATUS_CFG_CHANGED)) == 0)
2629                                 break;
2630                 }
2631
2632                 mac_status = tr32(MAC_STATUS);
2633                 if (current_link_up == 0 &&
2634                     (mac_status & MAC_STATUS_PCS_SYNCED) &&
2635                     !(mac_status & MAC_STATUS_RCVD_CFG))
2636                         current_link_up = 1;
2637         } else {
2638                 /* Forcing 1000FD link up. */
2639                 current_link_up = 1;
2640                 tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
2641
2642                 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
2643                 udelay(40);
2644         }
2645
2646 out:
2647         return current_link_up;
2648 }
2649
2650 static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
2651 {
2652         u32 orig_pause_cfg;
2653         u16 orig_active_speed;
2654         u8 orig_active_duplex;
2655         u32 mac_status;
2656         int current_link_up;
2657         int i;
2658
2659         orig_pause_cfg =
2660                 (tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2661                                   TG3_FLAG_TX_PAUSE));
2662         orig_active_speed = tp->link_config.active_speed;
2663         orig_active_duplex = tp->link_config.active_duplex;
2664
2665         if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
2666             netif_carrier_ok(tp->dev) &&
2667             (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
2668                 mac_status = tr32(MAC_STATUS);
2669                 mac_status &= (MAC_STATUS_PCS_SYNCED |
2670                                MAC_STATUS_SIGNAL_DET |
2671                                MAC_STATUS_CFG_CHANGED |
2672                                MAC_STATUS_RCVD_CFG);
2673                 if (mac_status == (MAC_STATUS_PCS_SYNCED |
2674                                    MAC_STATUS_SIGNAL_DET)) {
2675                         tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2676                                             MAC_STATUS_CFG_CHANGED));
2677                         return 0;
2678                 }
2679         }
2680
2681         tw32_f(MAC_TX_AUTO_NEG, 0);
2682
2683         tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
2684         tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
2685         tw32_f(MAC_MODE, tp->mac_mode);
2686         udelay(40);
2687
2688         if (tp->phy_id == PHY_ID_BCM8002)
2689                 tg3_init_bcm8002(tp);
2690
2691         /* Enable link change event even when serdes polling.  */
2692         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2693         udelay(40);
2694
2695         current_link_up = 0;
2696         mac_status = tr32(MAC_STATUS);
2697
2698         if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
2699                 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
2700         else
2701                 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
2702
2703         tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
2704         tw32_f(MAC_MODE, tp->mac_mode);
2705         udelay(40);
2706
2707         tp->hw_status->status =
2708                 (SD_STATUS_UPDATED |
2709                  (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
2710
2711         for (i = 0; i < 100; i++) {
2712                 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2713                                     MAC_STATUS_CFG_CHANGED));
2714                 udelay(5);
2715                 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
2716                                          MAC_STATUS_CFG_CHANGED |
2717                                          MAC_STATUS_LNKSTATE_CHANGED)) == 0)
2718                         break;
2719         }
2720
2721         mac_status = tr32(MAC_STATUS);
2722         if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
2723                 current_link_up = 0;
2724                 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
2725                     tp->serdes_counter == 0) {
2726                         tw32_f(MAC_MODE, (tp->mac_mode |
2727                                           MAC_MODE_SEND_CONFIGS));
2728                         udelay(1);
2729                         tw32_f(MAC_MODE, tp->mac_mode);
2730                 }
2731         }
2732
2733         if (current_link_up == 1) {
2734                 tp->link_config.active_speed = SPEED_1000;
2735                 tp->link_config.active_duplex = DUPLEX_FULL;
2736                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2737                                     LED_CTRL_LNKLED_OVERRIDE |
2738                                     LED_CTRL_1000MBPS_ON));
2739         } else {
2740                 tp->link_config.active_speed = SPEED_INVALID;
2741                 tp->link_config.active_duplex = DUPLEX_INVALID;
2742                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2743                                     LED_CTRL_LNKLED_OVERRIDE |
2744                                     LED_CTRL_TRAFFIC_OVERRIDE));
2745         }
2746
2747         if (current_link_up != netif_carrier_ok(tp->dev)) {
2748                 if (current_link_up)
2749                         netif_carrier_on(tp->dev);
2750                 else
2751                         netif_carrier_off(tp->dev);
2752                 tg3_link_report(tp);
2753         } else {
2754                 u32 now_pause_cfg =
2755                         tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2756                                          TG3_FLAG_TX_PAUSE);
2757                 if (orig_pause_cfg != now_pause_cfg ||
2758                     orig_active_speed != tp->link_config.active_speed ||
2759                     orig_active_duplex != tp->link_config.active_duplex)
2760                         tg3_link_report(tp);
2761         }
2762
2763         return 0;
2764 }
2765
2766 static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
2767 {
2768         int current_link_up, err = 0;
2769         u32 bmsr, bmcr;
2770         u16 current_speed;
2771         u8 current_duplex;
2772
2773         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2774         tw32_f(MAC_MODE, tp->mac_mode);
2775         udelay(40);
2776
2777         tw32(MAC_EVENT, 0);
2778
2779         tw32_f(MAC_STATUS,
2780              (MAC_STATUS_SYNC_CHANGED |
2781               MAC_STATUS_CFG_CHANGED |
2782               MAC_STATUS_MI_COMPLETION |
2783               MAC_STATUS_LNKSTATE_CHANGED));
2784         udelay(40);
2785
2786         if (force_reset)
2787                 tg3_phy_reset(tp);
2788
2789         current_link_up = 0;
2790         current_speed = SPEED_INVALID;
2791         current_duplex = DUPLEX_INVALID;
2792
2793         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2794         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2795         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
2796                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2797                         bmsr |= BMSR_LSTATUS;
2798                 else
2799                         bmsr &= ~BMSR_LSTATUS;
2800         }
2801
2802         err |= tg3_readphy(tp, MII_BMCR, &bmcr);
2803
2804         if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
2805             (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2806                 /* do nothing, just check for link up at the end */
2807         } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2808                 u32 adv, new_adv;
2809
2810                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2811                 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
2812                                   ADVERTISE_1000XPAUSE |
2813                                   ADVERTISE_1000XPSE_ASYM |
2814                                   ADVERTISE_SLCT);
2815
2816                 /* Always advertise symmetric PAUSE just like copper */
2817                 new_adv |= ADVERTISE_1000XPAUSE;
2818
2819                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2820                         new_adv |= ADVERTISE_1000XHALF;
2821                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2822                         new_adv |= ADVERTISE_1000XFULL;
2823
2824                 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
2825                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
2826                         bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
2827                         tg3_writephy(tp, MII_BMCR, bmcr);
2828
2829                         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2830                         tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
2831                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2832
2833                         return err;
2834                 }
2835         } else {
2836                 u32 new_bmcr;
2837
2838                 bmcr &= ~BMCR_SPEED1000;
2839                 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
2840
2841                 if (tp->link_config.duplex == DUPLEX_FULL)
2842                         new_bmcr |= BMCR_FULLDPLX;
2843
2844                 if (new_bmcr != bmcr) {
2845                         /* BMCR_SPEED1000 is a reserved bit that needs
2846                          * to be set on write.
2847                          */
2848                         new_bmcr |= BMCR_SPEED1000;
2849
2850                         /* Force a linkdown */
2851                         if (netif_carrier_ok(tp->dev)) {
2852                                 u32 adv;
2853
2854                                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2855                                 adv &= ~(ADVERTISE_1000XFULL |
2856                                          ADVERTISE_1000XHALF |
2857                                          ADVERTISE_SLCT);
2858                                 tg3_writephy(tp, MII_ADVERTISE, adv);
2859                                 tg3_writephy(tp, MII_BMCR, bmcr |
2860                                                            BMCR_ANRESTART |
2861                                                            BMCR_ANENABLE);
2862                                 udelay(10);
2863                                 netif_carrier_off(tp->dev);
2864                         }
2865                         tg3_writephy(tp, MII_BMCR, new_bmcr);
2866                         bmcr = new_bmcr;
2867                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2868                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2869                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2870                             ASIC_REV_5714) {
2871                                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2872                                         bmsr |= BMSR_LSTATUS;
2873                                 else
2874                                         bmsr &= ~BMSR_LSTATUS;
2875                         }
2876                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2877                 }
2878         }
2879
2880         if (bmsr & BMSR_LSTATUS) {
2881                 current_speed = SPEED_1000;
2882                 current_link_up = 1;
2883                 if (bmcr & BMCR_FULLDPLX)
2884                         current_duplex = DUPLEX_FULL;
2885                 else
2886                         current_duplex = DUPLEX_HALF;
2887
2888                 if (bmcr & BMCR_ANENABLE) {
2889                         u32 local_adv, remote_adv, common;
2890
2891                         err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
2892                         err |= tg3_readphy(tp, MII_LPA, &remote_adv);
2893                         common = local_adv & remote_adv;
2894                         if (common & (ADVERTISE_1000XHALF |
2895                                       ADVERTISE_1000XFULL)) {
2896                                 if (common & ADVERTISE_1000XFULL)
2897                                         current_duplex = DUPLEX_FULL;
2898                                 else
2899                                         current_duplex = DUPLEX_HALF;
2900
2901                                 tg3_setup_flow_control(tp, local_adv,
2902                                                        remote_adv);
2903                         }
2904                         else
2905                                 current_link_up = 0;
2906                 }
2907         }
2908
2909         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
2910         if (tp->link_config.active_duplex == DUPLEX_HALF)
2911                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
2912
2913         tw32_f(MAC_MODE, tp->mac_mode);
2914         udelay(40);
2915
2916         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2917
2918         tp->link_config.active_speed = current_speed;
2919         tp->link_config.active_duplex = current_duplex;
2920
2921         if (current_link_up != netif_carrier_ok(tp->dev)) {
2922                 if (current_link_up)
2923                         netif_carrier_on(tp->dev);
2924                 else {
2925                         netif_carrier_off(tp->dev);
2926                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2927                 }
2928                 tg3_link_report(tp);
2929         }
2930         return err;
2931 }
2932
2933 static void tg3_serdes_parallel_detect(struct tg3 *tp)
2934 {
2935         if (tp->serdes_counter) {
2936                 /* Give autoneg time to complete. */
2937                 tp->serdes_counter--;
2938                 return;
2939         }
2940         if (!netif_carrier_ok(tp->dev) &&
2941             (tp->link_config.autoneg == AUTONEG_ENABLE)) {
2942                 u32 bmcr;
2943
2944                 tg3_readphy(tp, MII_BMCR, &bmcr);
2945                 if (bmcr & BMCR_ANENABLE) {
2946                         u32 phy1, phy2;
2947
2948                         /* Select shadow register 0x1f */
2949                         tg3_writephy(tp, 0x1c, 0x7c00);
2950                         tg3_readphy(tp, 0x1c, &phy1);
2951
2952                         /* Select expansion interrupt status register */
2953                         tg3_writephy(tp, 0x17, 0x0f01);
2954                         tg3_readphy(tp, 0x15, &phy2);
2955                         tg3_readphy(tp, 0x15, &phy2);
2956
2957                         if ((phy1 & 0x10) && !(phy2 & 0x20)) {
2958                                 /* We have signal detect and not receiving
2959                                  * config code words, link is up by parallel
2960                                  * detection.
2961                                  */
2962
2963                                 bmcr &= ~BMCR_ANENABLE;
2964                                 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
2965                                 tg3_writephy(tp, MII_BMCR, bmcr);
2966                                 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
2967                         }
2968                 }
2969         }
2970         else if (netif_carrier_ok(tp->dev) &&
2971                  (tp->link_config.autoneg == AUTONEG_ENABLE) &&
2972                  (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2973                 u32 phy2;
2974
2975                 /* Select expansion interrupt status register */
2976                 tg3_writephy(tp, 0x17, 0x0f01);
2977                 tg3_readphy(tp, 0x15, &phy2);
2978                 if (phy2 & 0x20) {
2979                         u32 bmcr;
2980
2981                         /* Config code words received, turn on autoneg. */
2982                         tg3_readphy(tp, MII_BMCR, &bmcr);
2983                         tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
2984
2985                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2986
2987                 }
2988         }
2989 }
2990
2991 static int tg3_setup_phy(struct tg3 *tp, int force_reset)
2992 {
2993         int err;
2994
2995         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
2996                 err = tg3_setup_fiber_phy(tp, force_reset);
2997         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
2998                 err = tg3_setup_fiber_mii_phy(tp, force_reset);
2999         } else {
3000                 err = tg3_setup_copper_phy(tp, force_reset);
3001         }
3002
3003         if (tp->link_config.active_speed == SPEED_1000 &&
3004             tp->link_config.active_duplex == DUPLEX_HALF)
3005                 tw32(MAC_TX_LENGTHS,
3006                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
3007                       (6 << TX_LENGTHS_IPG_SHIFT) |
3008                       (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
3009         else
3010                 tw32(MAC_TX_LENGTHS,
3011                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
3012                       (6 << TX_LENGTHS_IPG_SHIFT) |
3013                       (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
3014
3015         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
3016                 if (netif_carrier_ok(tp->dev)) {
3017                         tw32(HOSTCC_STAT_COAL_TICKS,
3018                              tp->coal.stats_block_coalesce_usecs);
3019                 } else {
3020                         tw32(HOSTCC_STAT_COAL_TICKS, 0);
3021                 }
3022         }
3023
3024         return err;
3025 }
3026
3027 /* This is called whenever we suspect that the system chipset is re-
3028  * ordering the sequence of MMIO to the tx send mailbox. The symptom
3029  * is bogus tx completions. We try to recover by setting the
3030  * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
3031  * in the workqueue.
3032  */
3033 static void tg3_tx_recover(struct tg3 *tp)
3034 {
3035         BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
3036                tp->write32_tx_mbox == tg3_write_indirect_mbox);
3037
3038         printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
3039                "mapped I/O cycles to the network device, attempting to "
3040                "recover. Please report the problem to the driver maintainer "
3041                "and include system chipset information.\n", tp->dev->name);
3042
3043         spin_lock(&tp->lock);
3044         tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
3045         spin_unlock(&tp->lock);
3046 }
3047
3048 static inline u32 tg3_tx_avail(struct tg3 *tp)
3049 {
3050         smp_mb();
3051         return (tp->tx_pending -
3052                 ((tp->tx_prod - tp->tx_cons) & (TG3_TX_RING_SIZE - 1)));
3053 }
3054
3055 /* Tigon3 never reports partial packet sends.  So we do not
3056  * need special logic to handle SKBs that have not had all
3057  * of their frags sent yet, like SunGEM does.
3058  */
3059 static void tg3_tx(struct tg3 *tp)
3060 {
3061         u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
3062         u32 sw_idx = tp->tx_cons;
3063
3064         while (sw_idx != hw_idx) {
3065                 struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
3066                 struct sk_buff *skb = ri->skb;
3067                 int i, tx_bug = 0;
3068
3069                 if (unlikely(skb == NULL)) {
3070                         tg3_tx_recover(tp);
3071                         return;
3072                 }
3073
3074                 pci_unmap_single(tp->pdev,
3075                                  pci_unmap_addr(ri, mapping),
3076                                  skb_headlen(skb),
3077                                  PCI_DMA_TODEVICE);
3078
3079                 ri->skb = NULL;
3080
3081                 sw_idx = NEXT_TX(sw_idx);
3082
3083                 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
3084                         ri = &tp->tx_buffers[sw_idx];
3085                         if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
3086                                 tx_bug = 1;
3087
3088                         pci_unmap_page(tp->pdev,
3089                                        pci_unmap_addr(ri, mapping),
3090                                        skb_shinfo(skb)->frags[i].size,
3091                                        PCI_DMA_TODEVICE);
3092
3093                         sw_idx = NEXT_TX(sw_idx);
3094                 }
3095
3096                 dev_kfree_skb(skb);
3097
3098                 if (unlikely(tx_bug)) {
3099                         tg3_tx_recover(tp);
3100                         return;
3101                 }
3102         }
3103
3104         tp->tx_cons = sw_idx;
3105
3106         /* Need to make the tx_cons update visible to tg3_start_xmit()
3107          * before checking for netif_queue_stopped().  Without the
3108          * memory barrier, there is a small possibility that tg3_start_xmit()
3109          * will miss it and cause the queue to be stopped forever.
3110          */
3111         smp_mb();
3112
3113         if (unlikely(netif_queue_stopped(tp->dev) &&
3114                      (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))) {
3115                 netif_tx_lock(tp->dev);
3116                 if (netif_queue_stopped(tp->dev) &&
3117                     (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))
3118                         netif_wake_queue(tp->dev);
3119                 netif_tx_unlock(tp->dev);
3120         }
3121 }
3122
3123 /* Returns size of skb allocated or < 0 on error.
3124  *
3125  * We only need to fill in the address because the other members
3126  * of the RX descriptor are invariant, see tg3_init_rings.
3127  *
3128  * Note the purposeful assymetry of cpu vs. chip accesses.  For
3129  * posting buffers we only dirty the first cache line of the RX
3130  * descriptor (containing the address).  Whereas for the RX status
3131  * buffers the cpu only reads the last cacheline of the RX descriptor
3132  * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
3133  */
3134 static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
3135                             int src_idx, u32 dest_idx_unmasked)
3136 {
3137         struct tg3_rx_buffer_desc *desc;
3138         struct ring_info *map, *src_map;
3139         struct sk_buff *skb;
3140         dma_addr_t mapping;
3141         int skb_size, dest_idx;
3142
3143         src_map = NULL;
3144         switch (opaque_key) {
3145         case RXD_OPAQUE_RING_STD:
3146                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3147                 desc = &tp->rx_std[dest_idx];
3148                 map = &tp->rx_std_buffers[dest_idx];
3149                 if (src_idx >= 0)
3150                         src_map = &tp->rx_std_buffers[src_idx];
3151                 skb_size = tp->rx_pkt_buf_sz;
3152                 break;
3153
3154         case RXD_OPAQUE_RING_JUMBO:
3155                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3156                 desc = &tp->rx_jumbo[dest_idx];
3157                 map = &tp->rx_jumbo_buffers[dest_idx];
3158                 if (src_idx >= 0)
3159                         src_map = &tp->rx_jumbo_buffers[src_idx];
3160                 skb_size = RX_JUMBO_PKT_BUF_SZ;
3161                 break;
3162
3163         default:
3164                 return -EINVAL;
3165         };
3166
3167         /* Do not overwrite any of the map or rp information
3168          * until we are sure we can commit to a new buffer.
3169          *
3170          * Callers depend upon this behavior and assume that
3171          * we leave everything unchanged if we fail.
3172          */
3173         skb = netdev_alloc_skb(tp->dev, skb_size);
3174         if (skb == NULL)
3175                 return -ENOMEM;
3176
3177         skb_reserve(skb, tp->rx_offset);
3178
3179         mapping = pci_map_single(tp->pdev, skb->data,
3180                                  skb_size - tp->rx_offset,
3181                                  PCI_DMA_FROMDEVICE);
3182
3183         map->skb = skb;
3184         pci_unmap_addr_set(map, mapping, mapping);
3185
3186         if (src_map != NULL)
3187                 src_map->skb = NULL;
3188
3189         desc->addr_hi = ((u64)mapping >> 32);
3190         desc->addr_lo = ((u64)mapping & 0xffffffff);
3191
3192         return skb_size;
3193 }
3194
3195 /* We only need to move over in the address because the other
3196  * members of the RX descriptor are invariant.  See notes above
3197  * tg3_alloc_rx_skb for full details.
3198  */
3199 static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
3200                            int src_idx, u32 dest_idx_unmasked)
3201 {
3202         struct tg3_rx_buffer_desc *src_desc, *dest_desc;
3203         struct ring_info *src_map, *dest_map;
3204         int dest_idx;
3205
3206         switch (opaque_key) {
3207         case RXD_OPAQUE_RING_STD:
3208                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3209                 dest_desc = &tp->rx_std[dest_idx];
3210                 dest_map = &tp->rx_std_buffers[dest_idx];
3211                 src_desc = &tp->rx_std[src_idx];
3212                 src_map = &tp->rx_std_buffers[src_idx];
3213                 break;
3214
3215         case RXD_OPAQUE_RING_JUMBO:
3216                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3217                 dest_desc = &tp->rx_jumbo[dest_idx];
3218                 dest_map = &tp->rx_jumbo_buffers[dest_idx];
3219                 src_desc = &tp->rx_jumbo[src_idx];
3220                 src_map = &tp->rx_jumbo_buffers[src_idx];
3221                 break;
3222
3223         default:
3224                 return;
3225         };
3226
3227         dest_map->skb = src_map->skb;
3228         pci_unmap_addr_set(dest_map, mapping,
3229                            pci_unmap_addr(src_map, mapping));
3230         dest_desc->addr_hi = src_desc->addr_hi;
3231         dest_desc->addr_lo = src_desc->addr_lo;
3232
3233         src_map->skb = NULL;
3234 }
3235
3236 #if TG3_VLAN_TAG_USED
3237 static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
3238 {
3239         return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag);
3240 }
3241 #endif
3242
3243 /* The RX ring scheme is composed of multiple rings which post fresh
3244  * buffers to the chip, and one special ring the chip uses to report
3245  * status back to the host.
3246  *
3247  * The special ring reports the status of received packets to the
3248  * host.  The chip does not write into the original descriptor the
3249  * RX buffer was obtained from.  The chip simply takes the original
3250  * descriptor as provided by the host, updates the status and length
3251  * field, then writes this into the next status ring entry.
3252  *
3253  * Each ring the host uses to post buffers to the chip is described
3254  * by a TG3_BDINFO entry in the chips SRAM area.  When a packet arrives,
3255  * it is first placed into the on-chip ram.  When the packet's length
3256  * is known, it walks down the TG3_BDINFO entries to select the ring.
3257  * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
3258  * which is within the range of the new packet's length is chosen.
3259  *
3260  * The "separate ring for rx status" scheme may sound queer, but it makes
3261  * sense from a cache coherency perspective.  If only the host writes
3262  * to the buffer post rings, and only the chip writes to the rx status
3263  * rings, then cache lines never move beyond shared-modified state.
3264  * If both the host and chip were to write into the same ring, cache line
3265  * eviction could occur since both entities want it in an exclusive state.
3266  */
3267 static int tg3_rx(struct tg3 *tp, int budget)
3268 {
3269         u32 work_mask, rx_std_posted = 0;
3270         u32 sw_idx = tp->rx_rcb_ptr;
3271         u16 hw_idx;
3272         int received;
3273
3274         hw_idx = tp->hw_status->idx[0].rx_producer;
3275         /*
3276          * We need to order the read of hw_idx and the read of
3277          * the opaque cookie.
3278          */
3279         rmb();
3280         work_mask = 0;
3281         received = 0;
3282         while (sw_idx != hw_idx && budget > 0) {
3283                 struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
3284                 unsigned int len;
3285                 struct sk_buff *skb;
3286                 dma_addr_t dma_addr;
3287                 u32 opaque_key, desc_idx, *post_ptr;
3288
3289                 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
3290                 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
3291                 if (opaque_key == RXD_OPAQUE_RING_STD) {
3292                         dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
3293                                                   mapping);
3294                         skb = tp->rx_std_buffers[desc_idx].skb;
3295                         post_ptr = &tp->rx_std_ptr;
3296                         rx_std_posted++;
3297                 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
3298                         dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
3299                                                   mapping);
3300                         skb = tp->rx_jumbo_buffers[desc_idx].skb;
3301                         post_ptr = &tp->rx_jumbo_ptr;
3302                 }
3303                 else {
3304                         goto next_pkt_nopost;
3305                 }
3306
3307                 work_mask |= opaque_key;
3308
3309                 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
3310                     (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
3311                 drop_it:
3312                         tg3_recycle_rx(tp, opaque_key,
3313                                        desc_idx, *post_ptr);
3314                 drop_it_no_recycle:
3315                         /* Other statistics kept track of by card. */
3316                         tp->net_stats.rx_dropped++;
3317                         goto next_pkt;
3318                 }
3319
3320                 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */
3321
3322                 if (len > RX_COPY_THRESHOLD
3323                         && tp->rx_offset == 2
3324                         /* rx_offset != 2 iff this is a 5701 card running
3325                          * in PCI-X mode [see tg3_get_invariants()] */
3326                 ) {
3327                         int skb_size;
3328
3329                         skb_size = tg3_alloc_rx_skb(tp, opaque_key,
3330                                                     desc_idx, *post_ptr);
3331                         if (skb_size < 0)
3332                                 goto drop_it;
3333
3334                         pci_unmap_single(tp->pdev, dma_addr,
3335                                          skb_size - tp->rx_offset,
3336                                          PCI_DMA_FROMDEVICE);
3337
3338                         skb_put(skb, len);
3339                 } else {
3340                         struct sk_buff *copy_skb;
3341
3342                         tg3_recycle_rx(tp, opaque_key,
3343                                        desc_idx, *post_ptr);
3344
3345                         copy_skb = netdev_alloc_skb(tp->dev, len + 2);
3346                         if (copy_skb == NULL)
3347                                 goto drop_it_no_recycle;
3348
3349                         skb_reserve(copy_skb, 2);
3350                         skb_put(copy_skb, len);
3351                         pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3352                         memcpy(copy_skb->data, skb->data, len);
3353                         pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3354
3355                         /* We'll reuse the original ring buffer. */
3356                         skb = copy_skb;
3357                 }
3358
3359                 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
3360                     (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
3361                     (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
3362                       >> RXD_TCPCSUM_SHIFT) == 0xffff))
3363                         skb->ip_summed = CHECKSUM_UNNECESSARY;
3364                 else
3365                         skb->ip_summed = CHECKSUM_NONE;
3366
3367                 skb->protocol = eth_type_trans(skb, tp->dev);
3368 #if TG3_VLAN_TAG_USED
3369                 if (tp->vlgrp != NULL &&
3370                     desc->type_flags & RXD_FLAG_VLAN) {
3371                         tg3_vlan_rx(tp, skb,
3372                                     desc->err_vlan & RXD_VLAN_MASK);
3373                 } else
3374 #endif
3375                         netif_receive_skb(skb);
3376
3377                 tp->dev->last_rx = jiffies;
3378                 received++;
3379                 budget--;
3380
3381 next_pkt:
3382                 (*post_ptr)++;
3383
3384                 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
3385                         u32 idx = *post_ptr % TG3_RX_RING_SIZE;
3386
3387                         tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
3388                                      TG3_64BIT_REG_LOW, idx);
3389                         work_mask &= ~RXD_OPAQUE_RING_STD;
3390                         rx_std_posted = 0;
3391                 }
3392 next_pkt_nopost:
3393                 sw_idx++;
3394                 sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
3395
3396                 /* Refresh hw_idx to see if there is new work */
3397                 if (sw_idx == hw_idx) {
3398                         hw_idx = tp->hw_status->idx[0].rx_producer;
3399                         rmb();
3400                 }
3401         }
3402
3403         /* ACK the status ring. */
3404         tp->rx_rcb_ptr = sw_idx;
3405         tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
3406
3407         /* Refill RX ring(s). */
3408         if (work_mask & RXD_OPAQUE_RING_STD) {
3409                 sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
3410                 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
3411                              sw_idx);
3412         }
3413         if (work_mask & RXD_OPAQUE_RING_JUMBO) {
3414                 sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
3415                 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
3416                              sw_idx);
3417         }
3418         mmiowb();
3419
3420         return received;
3421 }
3422
3423 static int tg3_poll(struct net_device *netdev, int *budget)
3424 {
3425         struct tg3 *tp = netdev_priv(netdev);
3426         struct tg3_hw_status *sblk = tp->hw_status;
3427         int done;
3428
3429         /* handle link change and other phy events */
3430         if (!(tp->tg3_flags &
3431               (TG3_FLAG_USE_LINKCHG_REG |
3432                TG3_FLAG_POLL_SERDES))) {
3433                 if (sblk->status & SD_STATUS_LINK_CHG) {
3434                         sblk->status = SD_STATUS_UPDATED |
3435                                 (sblk->status & ~SD_STATUS_LINK_CHG);
3436                         spin_lock(&tp->lock);
3437                         tg3_setup_phy(tp, 0);
3438                         spin_unlock(&tp->lock);
3439                 }
3440         }
3441
3442         /* run TX completion thread */
3443         if (sblk->idx[0].tx_consumer != tp->tx_cons) {
3444                 tg3_tx(tp);
3445                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING)) {
3446                         netif_rx_complete(netdev);
3447                         schedule_work(&tp->reset_task);
3448                         return 0;
3449                 }
3450         }
3451
3452         /* run RX thread, within the bounds set by NAPI.
3453          * All RX "locking" is done by ensuring outside
3454          * code synchronizes with dev->poll()
3455          */
3456         if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr) {
3457                 int orig_budget = *budget;
3458                 int work_done;
3459
3460                 if (orig_budget > netdev->quota)
3461                         orig_budget = netdev->quota;
3462
3463                 work_done = tg3_rx(tp, orig_budget);
3464
3465                 *budget -= work_done;
3466                 netdev->quota -= work_done;
3467         }
3468
3469         if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
3470                 tp->last_tag = sblk->status_tag;
3471                 rmb();
3472         } else
3473                 sblk->status &= ~SD_STATUS_UPDATED;
3474
3475         /* if no more work, tell net stack and NIC we're done */
3476         done = !tg3_has_work(tp);
3477         if (done) {
3478                 netif_rx_complete(netdev);
3479                 tg3_restart_ints(tp);
3480         }
3481
3482         return (done ? 0 : 1);
3483 }
3484
3485 static void tg3_irq_quiesce(struct tg3 *tp)
3486 {
3487         BUG_ON(tp->irq_sync);
3488
3489         tp->irq_sync = 1;
3490         smp_mb();
3491
3492         synchronize_irq(tp->pdev->irq);
3493 }
3494
3495 static inline int tg3_irq_sync(struct tg3 *tp)
3496 {
3497         return tp->irq_sync;
3498 }
3499
3500 /* Fully shutdown all tg3 driver activity elsewhere in the system.
3501  * If irq_sync is non-zero, then the IRQ handler must be synchronized
3502  * with as well.  Most of the time, this is not necessary except when
3503  * shutting down the device.
3504  */
3505 static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
3506 {
3507         if (irq_sync)
3508                 tg3_irq_quiesce(tp);
3509         spin_lock_bh(&tp->lock);
3510 }
3511
3512 static inline void tg3_full_unlock(struct tg3 *tp)
3513 {
3514         spin_unlock_bh(&tp->lock);
3515 }
3516
3517 /* One-shot MSI handler - Chip automatically disables interrupt
3518  * after sending MSI so driver doesn't have to do it.
3519  */
3520 static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
3521 {
3522         struct net_device *dev = dev_id;
3523         struct tg3 *tp = netdev_priv(dev);
3524
3525         prefetch(tp->hw_status);
3526         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3527
3528         if (likely(!tg3_irq_sync(tp)))
3529                 netif_rx_schedule(dev);         /* schedule NAPI poll */
3530
3531         return IRQ_HANDLED;
3532 }
3533
3534 /* MSI ISR - No need to check for interrupt sharing and no need to
3535  * flush status block and interrupt mailbox. PCI ordering rules
3536  * guarantee that MSI will arrive after the status block.
3537  */
3538 static irqreturn_t tg3_msi(int irq, void *dev_id)
3539 {
3540         struct net_device *dev = dev_id;
3541         struct tg3 *tp = netdev_priv(dev);
3542
3543         prefetch(tp->hw_status);
3544         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3545         /*
3546          * Writing any value to intr-mbox-0 clears PCI INTA# and
3547          * chip-internal interrupt pending events.
3548          * Writing non-zero to intr-mbox-0 additional tells the
3549          * NIC to stop sending us irqs, engaging "in-intr-handler"
3550          * event coalescing.
3551          */
3552         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
3553         if (likely(!tg3_irq_sync(tp)))
3554                 netif_rx_schedule(dev);         /* schedule NAPI poll */
3555
3556         return IRQ_RETVAL(1);
3557 }
3558
3559 static irqreturn_t tg3_interrupt(int irq, void *dev_id)
3560 {
3561         struct net_device *dev = dev_id;
3562         struct tg3 *tp = netdev_priv(dev);
3563         struct tg3_hw_status *sblk = tp->hw_status;
3564         unsigned int handled = 1;
3565
3566         /* In INTx mode, it is possible for the interrupt to arrive at
3567          * the CPU before the status block posted prior to the interrupt.
3568          * Reading the PCI State register will confirm whether the
3569          * interrupt is ours and will flush the status block.
3570          */
3571         if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
3572                 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
3573                     (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3574                         handled = 0;
3575                         goto out;
3576                 }
3577         }
3578
3579         /*
3580          * Writing any value to intr-mbox-0 clears PCI INTA# and
3581          * chip-internal interrupt pending events.
3582          * Writing non-zero to intr-mbox-0 additional tells the
3583          * NIC to stop sending us irqs, engaging "in-intr-handler"
3584          * event coalescing.
3585          */
3586         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
3587         if (tg3_irq_sync(tp))
3588                 goto out;
3589         sblk->status &= ~SD_STATUS_UPDATED;
3590         if (likely(tg3_has_work(tp))) {
3591                 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3592                 netif_rx_schedule(dev);         /* schedule NAPI poll */
3593         } else {
3594                 /* No work, shared interrupt perhaps?  re-enable
3595                  * interrupts, and flush that PCI write
3596                  */
3597                 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3598                                0x00000000);
3599         }
3600 out:
3601         return IRQ_RETVAL(handled);
3602 }
3603
3604 static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
3605 {
3606         struct net_device *dev = dev_id;
3607         struct tg3 *tp = netdev_priv(dev);
3608         struct tg3_hw_status *sblk = tp->hw_status;
3609         unsigned int handled = 1;
3610
3611         /* In INTx mode, it is possible for the interrupt to arrive at
3612          * the CPU before the status block posted prior to the interrupt.
3613          * Reading the PCI State register will confirm whether the
3614          * interrupt is ours and will flush the status block.
3615          */
3616         if (unlikely(sblk->status_tag == tp->last_tag)) {
3617                 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
3618                     (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3619                         handled = 0;
3620                         goto out;
3621                 }
3622         }
3623
3624         /*
3625          * writing any value to intr-mbox-0 clears PCI INTA# and
3626          * chip-internal interrupt pending events.
3627          * writing non-zero to intr-mbox-0 additional tells the
3628          * NIC to stop sending us irqs, engaging "in-intr-handler"
3629          * event coalescing.
3630          */
3631         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
3632         if (tg3_irq_sync(tp))
3633                 goto out;
3634         if (netif_rx_schedule_prep(dev)) {
3635                 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3636                 /* Update last_tag to mark that this status has been
3637                  * seen. Because interrupt may be shared, we may be
3638                  * racing with tg3_poll(), so only update last_tag
3639                  * if tg3_poll() is not scheduled.
3640                  */
3641                 tp->last_tag = sblk->status_tag;
3642                 __netif_rx_schedule(dev);
3643         }
3644 out:
3645         return IRQ_RETVAL(handled);
3646 }
3647
3648 /* ISR for interrupt test */
3649 static irqreturn_t tg3_test_isr(int irq, void *dev_id)
3650 {
3651         struct net_device *dev = dev_id;
3652         struct tg3 *tp = netdev_priv(dev);
3653         struct tg3_hw_status *sblk = tp->hw_status;
3654
3655         if ((sblk->status & SD_STATUS_UPDATED) ||
3656             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3657                 tg3_disable_ints(tp);
3658                 return IRQ_RETVAL(1);
3659         }
3660         return IRQ_RETVAL(0);
3661 }
3662
3663 static int tg3_init_hw(struct tg3 *, int);
3664 static int tg3_halt(struct tg3 *, int, int);
3665
3666 /* Restart hardware after configuration changes, self-test, etc.
3667  * Invoked with tp->lock held.
3668  */
3669 static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
3670 {
3671         int err;
3672
3673         err = tg3_init_hw(tp, reset_phy);
3674         if (err) {
3675                 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
3676                        "aborting.\n", tp->dev->name);
3677                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
3678                 tg3_full_unlock(tp);
3679                 del_timer_sync(&tp->timer);
3680                 tp->irq_sync = 0;
3681                 netif_poll_enable(tp->dev);
3682                 dev_close(tp->dev);
3683                 tg3_full_lock(tp, 0);
3684         }
3685         return err;
3686 }
3687
3688 #ifdef CONFIG_NET_POLL_CONTROLLER
3689 static void tg3_poll_controller(struct net_device *dev)
3690 {
3691         struct tg3 *tp = netdev_priv(dev);
3692
3693         tg3_interrupt(tp->pdev->irq, dev);
3694 }
3695 #endif
3696
3697 static void tg3_reset_task(struct work_struct *work)
3698 {
3699         struct tg3 *tp = container_of(work, struct tg3, reset_task);
3700         unsigned int restart_timer;
3701
3702         tg3_full_lock(tp, 0);
3703         tp->tg3_flags |= TG3_FLAG_IN_RESET_TASK;
3704
3705         if (!netif_running(tp->dev)) {
3706                 tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
3707                 tg3_full_unlock(tp);
3708                 return;
3709         }
3710
3711         tg3_full_unlock(tp);
3712
3713         tg3_netif_stop(tp);
3714
3715         tg3_full_lock(tp, 1);
3716
3717         restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
3718         tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
3719
3720         if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
3721                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
3722                 tp->write32_rx_mbox = tg3_write_flush_reg32;
3723                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
3724                 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
3725         }
3726
3727         tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
3728         if (tg3_init_hw(tp, 1))
3729                 goto out;
3730
3731         tg3_netif_start(tp);
3732
3733         if (restart_timer)
3734                 mod_timer(&tp->timer, jiffies + 1);
3735
3736 out:
3737         tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
3738
3739         tg3_full_unlock(tp);
3740 }
3741
3742 static void tg3_dump_short_state(struct tg3 *tp)
3743 {
3744         printk(KERN_ERR PFX "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
3745                tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
3746         printk(KERN_ERR PFX "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
3747                tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
3748 }
3749
3750 static void tg3_tx_timeout(struct net_device *dev)
3751 {
3752         struct tg3 *tp = netdev_priv(dev);
3753
3754         if (netif_msg_tx_err(tp)) {
3755                 printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
3756                        dev->name);
3757                 tg3_dump_short_state(tp);
3758         }
3759
3760         schedule_work(&tp->reset_task);
3761 }
3762
3763 /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
3764 static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
3765 {
3766         u32 base = (u32) mapping & 0xffffffff;
3767
3768         return ((base > 0xffffdcc0) &&
3769                 (base + len + 8 < base));
3770 }
3771
3772 /* Test for DMA addresses > 40-bit */
3773 static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
3774                                           int len)
3775 {
3776 #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
3777         if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
3778                 return (((u64) mapping + len) > DMA_40BIT_MASK);
3779         return 0;
3780 #else
3781         return 0;
3782 #endif
3783 }
3784
3785 static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
3786
3787 /* Workaround 4GB and 40-bit hardware DMA bugs. */
3788 static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
3789                                        u32 last_plus_one, u32 *start,
3790                                        u32 base_flags, u32 mss)
3791 {
3792         struct sk_buff *new_skb = skb_copy(skb, GFP_ATOMIC);
3793         dma_addr_t new_addr = 0;
3794         u32 entry = *start;
3795         int i, ret = 0;
3796
3797         if (!new_skb) {
3798                 ret = -1;
3799         } else {
3800                 /* New SKB is guaranteed to be linear. */
3801                 entry = *start;
3802                 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
3803                                           PCI_DMA_TODEVICE);
3804                 /* Make sure new skb does not cross any 4G boundaries.
3805                  * Drop the packet if it does.
3806                  */
3807                 if (tg3_4g_overflow_test(new_addr, new_skb->len)) {
3808                         ret = -1;
3809                         dev_kfree_skb(new_skb);
3810                         new_skb = NULL;
3811                 } else {
3812                         tg3_set_txd(tp, entry, new_addr, new_skb->len,
3813                                     base_flags, 1 | (mss << 1));
3814                         *start = NEXT_TX(entry);
3815                 }
3816         }
3817
3818         /* Now clean up the sw ring entries. */
3819         i = 0;
3820         while (entry != last_plus_one) {
3821                 int len;
3822
3823                 if (i == 0)
3824                         len = skb_headlen(skb);
3825                 else
3826                         len = skb_shinfo(skb)->frags[i-1].size;
3827                 pci_unmap_single(tp->pdev,
3828                                  pci_unmap_addr(&tp->tx_buffers[entry], mapping),
3829                                  len, PCI_DMA_TODEVICE);
3830                 if (i == 0) {
3831                         tp->tx_buffers[entry].skb = new_skb;
3832                         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, new_addr);
3833                 } else {
3834                         tp->tx_buffers[entry].skb = NULL;
3835                 }
3836                 entry = NEXT_TX(entry);
3837                 i++;
3838         }
3839
3840         dev_kfree_skb(skb);
3841
3842         return ret;
3843 }
3844
3845 static void tg3_set_txd(struct tg3 *tp, int entry,
3846                         dma_addr_t mapping, int len, u32 flags,
3847                         u32 mss_and_is_end)
3848 {
3849         struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
3850         int is_end = (mss_and_is_end & 0x1);
3851         u32 mss = (mss_and_is_end >> 1);
3852         u32 vlan_tag = 0;
3853
3854         if (is_end)
3855                 flags |= TXD_FLAG_END;
3856         if (flags & TXD_FLAG_VLAN) {
3857                 vlan_tag = flags >> 16;
3858                 flags &= 0xffff;
3859         }
3860         vlan_tag |= (mss << TXD_MSS_SHIFT);
3861
3862         txd->addr_hi = ((u64) mapping >> 32);
3863         txd->addr_lo = ((u64) mapping & 0xffffffff);
3864         txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
3865         txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
3866 }
3867
3868 /* hard_start_xmit for devices that don't have any bugs and
3869  * support TG3_FLG2_HW_TSO_2 only.
3870  */
3871 static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
3872 {
3873         struct tg3 *tp = netdev_priv(dev);
3874         dma_addr_t mapping;
3875         u32 len, entry, base_flags, mss;
3876
3877         len = skb_headlen(skb);
3878
3879         /* We are running in BH disabled context with netif_tx_lock
3880          * and TX reclaim runs via tp->poll inside of a software
3881          * interrupt.  Furthermore, IRQ processing runs lockless so we have
3882          * no IRQ context deadlocks to worry about either.  Rejoice!
3883          */
3884         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
3885                 if (!netif_queue_stopped(dev)) {
3886                         netif_stop_queue(dev);
3887
3888                         /* This is a hard error, log it. */
3889                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
3890                                "queue awake!\n", dev->name);
3891                 }
3892                 return NETDEV_TX_BUSY;
3893         }
3894
3895         entry = tp->tx_prod;
3896         base_flags = 0;
3897         mss = 0;
3898         if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
3899             (mss = skb_shinfo(skb)->gso_size) != 0) {
3900                 int tcp_opt_len, ip_tcp_len;
3901
3902                 if (skb_header_cloned(skb) &&
3903                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
3904                         dev_kfree_skb(skb);
3905                         goto out_unlock;
3906                 }
3907
3908                 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
3909                         mss |= (skb_headlen(skb) - ETH_HLEN) << 9;
3910                 else {
3911                         tcp_opt_len = ((skb->h.th->doff - 5) * 4);
3912                         ip_tcp_len = (skb->nh.iph->ihl * 4) +
3913                                      sizeof(struct tcphdr);
3914
3915                         skb->nh.iph->check = 0;
3916                         skb->nh.iph->tot_len = htons(mss + ip_tcp_len +
3917                                                      tcp_opt_len);
3918                         mss |= (ip_tcp_len + tcp_opt_len) << 9;
3919                 }
3920
3921                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
3922                                TXD_FLAG_CPU_POST_DMA);
3923
3924                 skb->h.th->check = 0;
3925
3926         }
3927         else if (skb->ip_summed == CHECKSUM_PARTIAL)
3928                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
3929 #if TG3_VLAN_TAG_USED
3930         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
3931                 base_flags |= (TXD_FLAG_VLAN |
3932                                (vlan_tx_tag_get(skb) << 16));
3933 #endif
3934
3935         /* Queue skb data, a.k.a. the main skb fragment. */
3936         mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
3937
3938         tp->tx_buffers[entry].skb = skb;
3939         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3940
3941         tg3_set_txd(tp, entry, mapping, len, base_flags,
3942                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
3943
3944         entry = NEXT_TX(entry);
3945
3946         /* Now loop through additional data fragments, and queue them. */
3947         if (skb_shinfo(skb)->nr_frags > 0) {
3948                 unsigned int i, last;
3949
3950                 last = skb_shinfo(skb)->nr_frags - 1;
3951                 for (i = 0; i <= last; i++) {
3952                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
3953
3954                         len = frag->size;
3955                         mapping = pci_map_page(tp->pdev,
3956                                                frag->page,
3957                                                frag->page_offset,
3958                                                len, PCI_DMA_TODEVICE);
3959
3960                         tp->tx_buffers[entry].skb = NULL;
3961                         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3962
3963                         tg3_set_txd(tp, entry, mapping, len,
3964                                     base_flags, (i == last) | (mss << 1));
3965
3966                         entry = NEXT_TX(entry);
3967                 }
3968         }
3969
3970         /* Packets are ready, update Tx producer idx local and on card. */
3971         tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
3972
3973         tp->tx_prod = entry;
3974         if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
3975                 netif_stop_queue(dev);
3976                 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
3977                         netif_wake_queue(tp->dev);
3978         }
3979
3980 out_unlock:
3981         mmiowb();
3982
3983         dev->trans_start = jiffies;
3984
3985         return NETDEV_TX_OK;
3986 }
3987
3988 static int tg3_start_xmit_dma_bug(struct sk_buff *, struct net_device *);
3989
3990 /* Use GSO to workaround a rare TSO bug that may be triggered when the
3991  * TSO header is greater than 80 bytes.
3992  */
3993 static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
3994 {
3995         struct sk_buff *segs, *nskb;
3996
3997         /* Estimate the number of fragments in the worst case */
3998         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))) {
3999                 netif_stop_queue(tp->dev);
4000                 if (tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))
4001                         return NETDEV_TX_BUSY;
4002
4003                 netif_wake_queue(tp->dev);
4004         }
4005
4006         segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
4007         if (unlikely(IS_ERR(segs)))
4008                 goto tg3_tso_bug_end;
4009
4010         do {
4011                 nskb = segs;
4012                 segs = segs->next;
4013                 nskb->next = NULL;
4014                 tg3_start_xmit_dma_bug(nskb, tp->dev);
4015         } while (segs);
4016
4017 tg3_tso_bug_end:
4018         dev_kfree_skb(skb);
4019
4020         return NETDEV_TX_OK;
4021 }
4022
4023 /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
4024  * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
4025  */
4026 static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev)
4027 {
4028         struct tg3 *tp = netdev_priv(dev);
4029         dma_addr_t mapping;
4030         u32 len, entry, base_flags, mss;
4031         int would_hit_hwbug;
4032
4033         len = skb_headlen(skb);
4034
4035         /* We are running in BH disabled context with netif_tx_lock
4036          * and TX reclaim runs via tp->poll inside of a software
4037          * interrupt.  Furthermore, IRQ processing runs lockless so we have
4038          * no IRQ context deadlocks to worry about either.  Rejoice!
4039          */
4040         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
4041                 if (!netif_queue_stopped(dev)) {
4042                         netif_stop_queue(dev);
4043
4044                         /* This is a hard error, log it. */
4045                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
4046                                "queue awake!\n", dev->name);
4047                 }
4048                 return NETDEV_TX_BUSY;
4049         }
4050
4051         entry = tp->tx_prod;
4052         base_flags = 0;
4053         if (skb->ip_summed == CHECKSUM_PARTIAL)
4054                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
4055         mss = 0;
4056         if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
4057             (mss = skb_shinfo(skb)->gso_size) != 0) {
4058                 int tcp_opt_len, ip_tcp_len, hdr_len;
4059
4060                 if (skb_header_cloned(skb) &&
4061                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4062                         dev_kfree_skb(skb);
4063                         goto out_unlock;
4064                 }
4065
4066                 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
4067                 ip_tcp_len = (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr);
4068
4069                 hdr_len = ip_tcp_len + tcp_opt_len;
4070                 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
4071                              (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
4072                         return (tg3_tso_bug(tp, skb));
4073
4074                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
4075                                TXD_FLAG_CPU_POST_DMA);
4076
4077                 skb->nh.iph->check = 0;
4078                 skb->nh.iph->tot_len = htons(mss + hdr_len);
4079                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
4080                         skb->h.th->check = 0;
4081                         base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
4082                 }
4083                 else {
4084                         skb->h.th->check =
4085                                 ~csum_tcpudp_magic(skb->nh.iph->saddr,
4086                                                    skb->nh.iph->daddr,
4087                                                    0, IPPROTO_TCP, 0);
4088                 }
4089
4090                 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
4091                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
4092                         if (tcp_opt_len || skb->nh.iph->ihl > 5) {
4093                                 int tsflags;
4094
4095                                 tsflags = ((skb->nh.iph->ihl - 5) +
4096                                            (tcp_opt_len >> 2));
4097                                 mss |= (tsflags << 11);
4098                         }
4099                 } else {
4100                         if (tcp_opt_len || skb->nh.iph->ihl > 5) {
4101                                 int tsflags;
4102
4103                                 tsflags = ((skb->nh.iph->ihl - 5) +
4104                                            (tcp_opt_len >> 2));
4105                                 base_flags |= tsflags << 12;
4106                         }
4107                 }
4108         }
4109 #if TG3_VLAN_TAG_USED
4110         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
4111                 base_flags |= (TXD_FLAG_VLAN |
4112                                (vlan_tx_tag_get(skb) << 16));
4113 #endif
4114
4115         /* Queue skb data, a.k.a. the main skb fragment. */
4116         mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4117
4118         tp->tx_buffers[entry].skb = skb;
4119         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4120
4121         would_hit_hwbug = 0;
4122
4123         if (tg3_4g_overflow_test(mapping, len))
4124                 would_hit_hwbug = 1;
4125
4126         tg3_set_txd(tp, entry, mapping, len, base_flags,
4127                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
4128
4129         entry = NEXT_TX(entry);
4130
4131         /* Now loop through additional data fragments, and queue them. */
4132         if (skb_shinfo(skb)->nr_frags > 0) {
4133                 unsigned int i, last;
4134
4135                 last = skb_shinfo(skb)->nr_frags - 1;
4136                 for (i = 0; i <= last; i++) {
4137                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4138
4139                         len = frag->size;
4140                         mapping = pci_map_page(tp->pdev,
4141                                                frag->page,
4142                                                frag->page_offset,
4143                                                len, PCI_DMA_TODEVICE);
4144
4145                         tp->tx_buffers[entry].skb = NULL;
4146                         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4147
4148                         if (tg3_4g_overflow_test(mapping, len))
4149                                 would_hit_hwbug = 1;
4150
4151                         if (tg3_40bit_overflow_test(tp, mapping, len))
4152                                 would_hit_hwbug = 1;
4153
4154                         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
4155                                 tg3_set_txd(tp, entry, mapping, len,
4156                                             base_flags, (i == last)|(mss << 1));
4157                         else
4158                                 tg3_set_txd(tp, entry, mapping, len,
4159                                             base_flags, (i == last));
4160
4161                         entry = NEXT_TX(entry);
4162                 }
4163         }
4164
4165         if (would_hit_hwbug) {
4166                 u32 last_plus_one = entry;
4167                 u32 start;
4168
4169                 start = entry - 1 - skb_shinfo(skb)->nr_frags;
4170                 start &= (TG3_TX_RING_SIZE - 1);
4171
4172                 /* If the workaround fails due to memory/mapping
4173                  * failure, silently drop this packet.
4174                  */
4175                 if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
4176                                                 &start, base_flags, mss))
4177                         goto out_unlock;
4178
4179                 entry = start;
4180         }
4181
4182         /* Packets are ready, update Tx producer idx local and on card. */
4183         tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
4184
4185         tp->tx_prod = entry;
4186         if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
4187                 netif_stop_queue(dev);
4188                 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
4189                         netif_wake_queue(tp->dev);
4190         }
4191
4192 out_unlock:
4193         mmiowb();
4194
4195         dev->trans_start = jiffies;
4196
4197         return NETDEV_TX_OK;
4198 }
4199
4200 static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
4201                                int new_mtu)
4202 {
4203         dev->mtu = new_mtu;
4204
4205         if (new_mtu > ETH_DATA_LEN) {
4206                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
4207                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
4208                         ethtool_op_set_tso(dev, 0);
4209                 }
4210                 else
4211                         tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
4212         } else {
4213                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
4214                         tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
4215                 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
4216         }
4217 }
4218
4219 static int tg3_change_mtu(struct net_device *dev, int new_mtu)
4220 {
4221         struct tg3 *tp = netdev_priv(dev);
4222         int err;
4223
4224         if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
4225                 return -EINVAL;
4226
4227         if (!netif_running(dev)) {
4228                 /* We'll just catch it later when the
4229                  * device is up'd.
4230                  */
4231                 tg3_set_mtu(dev, tp, new_mtu);
4232                 return 0;
4233         }
4234
4235         tg3_netif_stop(tp);
4236
4237         tg3_full_lock(tp, 1);
4238
4239         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
4240
4241         tg3_set_mtu(dev, tp, new_mtu);
4242
4243         err = tg3_restart_hw(tp, 0);
4244
4245         if (!err)
4246                 tg3_netif_start(tp);
4247
4248         tg3_full_unlock(tp);
4249
4250         return err;
4251 }
4252
4253 /* Free up pending packets in all rx/tx rings.
4254  *
4255  * The chip has been shut down and the driver detached from
4256  * the networking, so no interrupts or new tx packets will
4257  * end up in the driver.  tp->{tx,}lock is not held and we are not
4258  * in an interrupt context and thus may sleep.
4259  */
4260 static void tg3_free_rings(struct tg3 *tp)
4261 {
4262         struct ring_info *rxp;
4263         int i;
4264
4265         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4266                 rxp = &tp->rx_std_buffers[i];
4267
4268                 if (rxp->skb == NULL)
4269                         continue;
4270                 pci_unmap_single(tp->pdev,
4271                                  pci_unmap_addr(rxp, mapping),
4272                                  tp->rx_pkt_buf_sz - tp->rx_offset,
4273                                  PCI_DMA_FROMDEVICE);
4274                 dev_kfree_skb_any(rxp->skb);
4275                 rxp->skb = NULL;
4276         }
4277
4278         for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4279                 rxp = &tp->rx_jumbo_buffers[i];
4280
4281                 if (rxp->skb == NULL)
4282                         continue;
4283                 pci_unmap_single(tp->pdev,
4284                                  pci_unmap_addr(rxp, mapping),
4285                                  RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
4286                                  PCI_DMA_FROMDEVICE);
4287                 dev_kfree_skb_any(rxp->skb);
4288                 rxp->skb = NULL;
4289         }
4290
4291         for (i = 0; i < TG3_TX_RING_SIZE; ) {
4292                 struct tx_ring_info *txp;
4293                 struct sk_buff *skb;
4294                 int j;
4295
4296                 txp = &tp->tx_buffers[i];
4297                 skb = txp->skb;
4298
4299                 if (skb == NULL) {
4300                         i++;
4301                         continue;
4302                 }
4303
4304                 pci_unmap_single(tp->pdev,
4305                                  pci_unmap_addr(txp, mapping),
4306                                  skb_headlen(skb),
4307                                  PCI_DMA_TODEVICE);
4308                 txp->skb = NULL;
4309
4310                 i++;
4311
4312                 for (j = 0; j < skb_shinfo(skb)->nr_frags; j++) {
4313                         txp = &tp->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
4314                         pci_unmap_page(tp->pdev,
4315                                        pci_unmap_addr(txp, mapping),
4316                                        skb_shinfo(skb)->frags[j].size,
4317                                        PCI_DMA_TODEVICE);
4318                         i++;
4319                 }
4320
4321                 dev_kfree_skb_any(skb);
4322         }
4323 }
4324
4325 /* Initialize tx/rx rings for packet processing.
4326  *
4327  * The chip has been shut down and the driver detached from
4328  * the networking, so no interrupts or new tx packets will
4329  * end up in the driver.  tp->{tx,}lock are held and thus
4330  * we may not sleep.
4331  */
4332 static int tg3_init_rings(struct tg3 *tp)
4333 {
4334         u32 i;
4335
4336         /* Free up all the SKBs. */
4337         tg3_free_rings(tp);
4338
4339         /* Zero out all descriptors. */
4340         memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
4341         memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
4342         memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
4343         memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
4344
4345         tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
4346         if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
4347             (tp->dev->mtu > ETH_DATA_LEN))
4348                 tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
4349
4350         /* Initialize invariants of the rings, we only set this
4351          * stuff once.  This works because the card does not
4352          * write into the rx buffer posting rings.
4353          */
4354         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4355                 struct tg3_rx_buffer_desc *rxd;
4356
4357                 rxd = &tp->rx_std[i];
4358                 rxd->idx_len = (tp->rx_pkt_buf_sz - tp->rx_offset - 64)
4359                         << RXD_LEN_SHIFT;
4360                 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
4361                 rxd->opaque = (RXD_OPAQUE_RING_STD |
4362                                (i << RXD_OPAQUE_INDEX_SHIFT));
4363         }
4364
4365         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
4366                 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4367                         struct tg3_rx_buffer_desc *rxd;
4368
4369                         rxd = &tp->rx_jumbo[i];
4370                         rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
4371                                 << RXD_LEN_SHIFT;
4372                         rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
4373                                 RXD_FLAG_JUMBO;
4374                         rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
4375                                (i << RXD_OPAQUE_INDEX_SHIFT));
4376                 }
4377         }
4378
4379         /* Now allocate fresh SKBs for each rx ring. */
4380         for (i = 0; i < tp->rx_pending; i++) {
4381                 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD, -1, i) < 0) {
4382                         printk(KERN_WARNING PFX
4383                                "%s: Using a smaller RX standard ring, "
4384                                "only %d out of %d buffers were allocated "
4385                                "successfully.\n",
4386                                tp->dev->name, i, tp->rx_pending);
4387                         if (i == 0)
4388                                 return -ENOMEM;
4389                         tp->rx_pending = i;
4390                         break;
4391                 }
4392         }
4393
4394         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
4395                 for (i = 0; i < tp->rx_jumbo_pending; i++) {
4396                         if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
4397                                              -1, i) < 0) {
4398                                 printk(KERN_WARNING PFX
4399                                        "%s: Using a smaller RX jumbo ring, "
4400                                        "only %d out of %d buffers were "
4401                                        "allocated successfully.\n",
4402                                        tp->dev->name, i, tp->rx_jumbo_pending);
4403                                 if (i == 0) {
4404                                         tg3_free_rings(tp);
4405                                         return -ENOMEM;
4406                                 }
4407                                 tp->rx_jumbo_pending = i;
4408                                 break;
4409                         }
4410                 }
4411         }
4412         return 0;
4413 }
4414
4415 /*
4416  * Must not be invoked with interrupt sources disabled and
4417  * the hardware shutdown down.
4418  */
4419 static void tg3_free_consistent(struct tg3 *tp)
4420 {
4421         kfree(tp->rx_std_buffers);
4422         tp->rx_std_buffers = NULL;
4423         if (tp->rx_std) {
4424                 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
4425                                     tp->rx_std, tp->rx_std_mapping);
4426                 tp->rx_std = NULL;
4427         }
4428         if (tp->rx_jumbo) {
4429                 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4430                                     tp->rx_jumbo, tp->rx_jumbo_mapping);
4431                 tp->rx_jumbo = NULL;
4432         }
4433         if (tp->rx_rcb) {
4434                 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4435                                     tp->rx_rcb, tp->rx_rcb_mapping);
4436                 tp->rx_rcb = NULL;
4437         }
4438         if (tp->tx_ring) {
4439                 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
4440                         tp->tx_ring, tp->tx_desc_mapping);
4441                 tp->tx_ring = NULL;
4442         }
4443         if (tp->hw_status) {
4444                 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
4445                                     tp->hw_status, tp->status_mapping);
4446                 tp->hw_status = NULL;
4447         }
4448         if (tp->hw_stats) {
4449                 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
4450                                     tp->hw_stats, tp->stats_mapping);
4451                 tp->hw_stats = NULL;
4452         }
4453 }
4454
4455 /*
4456  * Must not be invoked with interrupt sources disabled and
4457  * the hardware shutdown down.  Can sleep.
4458  */
4459 static int tg3_alloc_consistent(struct tg3 *tp)
4460 {
4461         tp->rx_std_buffers = kzalloc((sizeof(struct ring_info) *
4462                                       (TG3_RX_RING_SIZE +
4463                                        TG3_RX_JUMBO_RING_SIZE)) +
4464                                      (sizeof(struct tx_ring_info) *
4465                                       TG3_TX_RING_SIZE),
4466                                      GFP_KERNEL);
4467         if (!tp->rx_std_buffers)
4468                 return -ENOMEM;
4469
4470         tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
4471         tp->tx_buffers = (struct tx_ring_info *)
4472                 &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
4473
4474         tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
4475                                           &tp->rx_std_mapping);
4476         if (!tp->rx_std)
4477                 goto err_out;
4478
4479         tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4480                                             &tp->rx_jumbo_mapping);
4481
4482         if (!tp->rx_jumbo)
4483                 goto err_out;
4484
4485         tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4486                                           &tp->rx_rcb_mapping);
4487         if (!tp->rx_rcb)
4488                 goto err_out;
4489
4490         tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
4491                                            &tp->tx_desc_mapping);
4492         if (!tp->tx_ring)
4493                 goto err_out;
4494
4495         tp->hw_status = pci_alloc_consistent(tp->pdev,
4496                                              TG3_HW_STATUS_SIZE,
4497                                              &tp->status_mapping);
4498         if (!tp->hw_status)
4499                 goto err_out;
4500
4501         tp->hw_stats = pci_alloc_consistent(tp->pdev,
4502                                             sizeof(struct tg3_hw_stats),
4503                                             &tp->stats_mapping);
4504         if (!tp->hw_stats)
4505                 goto err_out;
4506
4507         memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4508         memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4509
4510         return 0;
4511
4512 err_out:
4513         tg3_free_consistent(tp);
4514         return -ENOMEM;
4515 }
4516
4517 #define MAX_WAIT_CNT 1000
4518
4519 /* To stop a block, clear the enable bit and poll till it
4520  * clears.  tp->lock is held.
4521  */
4522 static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
4523 {
4524         unsigned int i;
4525         u32 val;
4526
4527         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
4528                 switch (ofs) {
4529                 case RCVLSC_MODE:
4530                 case DMAC_MODE:
4531                 case MBFREE_MODE:
4532                 case BUFMGR_MODE:
4533                 case MEMARB_MODE:
4534                         /* We can't enable/disable these bits of the
4535                          * 5705/5750, just say success.
4536                          */
4537                         return 0;
4538
4539                 default:
4540                         break;
4541                 };
4542         }
4543
4544         val = tr32(ofs);
4545         val &= ~enable_bit;
4546         tw32_f(ofs, val);
4547
4548         for (i = 0; i < MAX_WAIT_CNT; i++) {
4549                 udelay(100);
4550                 val = tr32(ofs);
4551                 if ((val & enable_bit) == 0)
4552                         break;
4553         }
4554
4555         if (i == MAX_WAIT_CNT && !silent) {
4556                 printk(KERN_ERR PFX "tg3_stop_block timed out, "
4557                        "ofs=%lx enable_bit=%x\n",
4558                        ofs, enable_bit);
4559                 return -ENODEV;
4560         }
4561
4562         return 0;
4563 }
4564
4565 /* tp->lock is held. */
4566 static int tg3_abort_hw(struct tg3 *tp, int silent)
4567 {
4568         int i, err;
4569
4570         tg3_disable_ints(tp);
4571
4572         tp->rx_mode &= ~RX_MODE_ENABLE;
4573         tw32_f(MAC_RX_MODE, tp->rx_mode);
4574         udelay(10);
4575
4576         err  = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
4577         err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
4578         err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
4579         err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
4580         err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
4581         err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
4582
4583         err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
4584         err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
4585         err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
4586         err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
4587         err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
4588         err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
4589         err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
4590
4591         tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
4592         tw32_f(MAC_MODE, tp->mac_mode);
4593         udelay(40);
4594
4595         tp->tx_mode &= ~TX_MODE_ENABLE;
4596         tw32_f(MAC_TX_MODE, tp->tx_mode);
4597
4598         for (i = 0; i < MAX_WAIT_CNT; i++) {
4599                 udelay(100);
4600                 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
4601                         break;
4602         }
4603         if (i >= MAX_WAIT_CNT) {
4604                 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
4605                        "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
4606                        tp->dev->name, tr32(MAC_TX_MODE));
4607                 err |= -ENODEV;
4608         }
4609
4610         err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
4611         err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
4612         err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
4613
4614         tw32(FTQ_RESET, 0xffffffff);
4615         tw32(FTQ_RESET, 0x00000000);
4616
4617         err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
4618         err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
4619
4620         if (tp->hw_status)
4621                 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4622         if (tp->hw_stats)
4623                 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4624
4625         return err;
4626 }
4627
4628 /* tp->lock is held. */
4629 static int tg3_nvram_lock(struct tg3 *tp)
4630 {
4631         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4632                 int i;
4633
4634                 if (tp->nvram_lock_cnt == 0) {
4635                         tw32(NVRAM_SWARB, SWARB_REQ_SET1);
4636                         for (i = 0; i < 8000; i++) {
4637                                 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
4638                                         break;
4639                                 udelay(20);
4640                         }
4641                         if (i == 8000) {
4642                                 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
4643                                 return -ENODEV;
4644                         }
4645                 }
4646                 tp->nvram_lock_cnt++;
4647         }
4648         return 0;
4649 }
4650
4651 /* tp->lock is held. */
4652 static void tg3_nvram_unlock(struct tg3 *tp)
4653 {
4654         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4655                 if (tp->nvram_lock_cnt > 0)
4656                         tp->nvram_lock_cnt--;
4657                 if (tp->nvram_lock_cnt == 0)
4658                         tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
4659         }
4660 }
4661
4662 /* tp->lock is held. */
4663 static void tg3_enable_nvram_access(struct tg3 *tp)
4664 {
4665         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4666             !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4667                 u32 nvaccess = tr32(NVRAM_ACCESS);
4668
4669                 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
4670         }
4671 }
4672
4673 /* tp->lock is held. */
4674 static void tg3_disable_nvram_access(struct tg3 *tp)
4675 {
4676         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4677             !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4678                 u32 nvaccess = tr32(NVRAM_ACCESS);
4679
4680                 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
4681         }
4682 }
4683
4684 /* tp->lock is held. */
4685 static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
4686 {
4687         tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
4688                       NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
4689
4690         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4691                 switch (kind) {
4692                 case RESET_KIND_INIT:
4693                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4694                                       DRV_STATE_START);
4695                         break;
4696
4697                 case RESET_KIND_SHUTDOWN:
4698                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4699                                       DRV_STATE_UNLOAD);
4700                         break;
4701
4702                 case RESET_KIND_SUSPEND:
4703                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4704                                       DRV_STATE_SUSPEND);
4705                         break;
4706
4707                 default:
4708                         break;
4709                 };
4710         }
4711 }
4712
4713 /* tp->lock is held. */
4714 static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
4715 {
4716         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4717                 switch (kind) {
4718                 case RESET_KIND_INIT:
4719                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4720                                       DRV_STATE_START_DONE);
4721                         break;
4722
4723                 case RESET_KIND_SHUTDOWN:
4724                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4725                                       DRV_STATE_UNLOAD_DONE);
4726                         break;
4727
4728                 default:
4729                         break;
4730                 };
4731         }
4732 }
4733
4734 /* tp->lock is held. */
4735 static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
4736 {
4737         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
4738                 switch (kind) {
4739                 case RESET_KIND_INIT:
4740                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4741                                       DRV_STATE_START);
4742                         break;
4743
4744                 case RESET_KIND_SHUTDOWN:
4745                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4746                                       DRV_STATE_UNLOAD);
4747                         break;
4748
4749                 case RESET_KIND_SUSPEND:
4750                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4751                                       DRV_STATE_SUSPEND);
4752                         break;
4753
4754                 default:
4755                         break;
4756                 };
4757         }
4758 }
4759
4760 static int tg3_poll_fw(struct tg3 *tp)
4761 {
4762         int i;
4763         u32 val;
4764
4765         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
4766                 /* Wait up to 20ms for init done. */
4767                 for (i = 0; i < 200; i++) {
4768                         if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
4769                                 return 0;
4770                         udelay(100);
4771                 }
4772                 return -ENODEV;
4773         }
4774
4775         /* Wait for firmware initialization to complete. */
4776         for (i = 0; i < 100000; i++) {
4777                 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
4778                 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
4779                         break;
4780                 udelay(10);
4781         }
4782
4783         /* Chip might not be fitted with firmware.  Some Sun onboard
4784          * parts are configured like that.  So don't signal the timeout
4785          * of the above loop as an error, but do report the lack of
4786          * running firmware once.
4787          */
4788         if (i >= 100000 &&
4789             !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
4790                 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
4791
4792                 printk(KERN_INFO PFX "%s: No firmware running.\n",
4793                        tp->dev->name);
4794         }
4795
4796         return 0;
4797 }
4798
4799 static void tg3_stop_fw(struct tg3 *);
4800
4801 /* tp->lock is held. */
4802 static int tg3_chip_reset(struct tg3 *tp)
4803 {
4804         u32 val;
4805         void (*write_op)(struct tg3 *, u32, u32);
4806         int err;
4807
4808         tg3_nvram_lock(tp);
4809
4810         /* No matching tg3_nvram_unlock() after this because
4811          * chip reset below will undo the nvram lock.
4812          */
4813         tp->nvram_lock_cnt = 0;
4814
4815         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
4816             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
4817             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
4818                 tw32(GRC_FASTBOOT_PC, 0);
4819
4820         /*
4821          * We must avoid the readl() that normally takes place.
4822          * It locks machines, causes machine checks, and other
4823          * fun things.  So, temporarily disable the 5701
4824          * hardware workaround, while we do the reset.
4825          */
4826         write_op = tp->write32;
4827         if (write_op == tg3_write_flush_reg32)
4828                 tp->write32 = tg3_write32;
4829
4830         /* Prevent the irq handler from reading or writing PCI registers
4831          * during chip reset when the memory enable bit in the PCI command
4832          * register may be cleared.  The chip does not generate interrupt
4833          * at this time, but the irq handler may still be called due to irq
4834          * sharing or irqpoll.
4835          */
4836         tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
4837         if (tp->hw_status) {
4838                 tp->hw_status->status = 0;
4839                 tp->hw_status->status_tag = 0;
4840         }
4841         tp->last_tag = 0;
4842         smp_mb();
4843         synchronize_irq(tp->pdev->irq);
4844
4845         /* do the reset */
4846         val = GRC_MISC_CFG_CORECLK_RESET;
4847
4848         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4849                 if (tr32(0x7e2c) == 0x60) {
4850                         tw32(0x7e2c, 0x20);
4851                 }
4852                 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4853                         tw32(GRC_MISC_CFG, (1 << 29));
4854                         val |= (1 << 29);
4855                 }
4856         }
4857
4858         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
4859                 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
4860                 tw32(GRC_VCPU_EXT_CTRL,
4861                      tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
4862         }
4863
4864         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
4865                 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
4866         tw32(GRC_MISC_CFG, val);
4867
4868         /* restore 5701 hardware bug workaround write method */
4869         tp->write32 = write_op;
4870
4871         /* Unfortunately, we have to delay before the PCI read back.
4872          * Some 575X chips even will not respond to a PCI cfg access
4873          * when the reset command is given to the chip.
4874          *
4875          * How do these hardware designers expect things to work
4876          * properly if the PCI write is posted for a long period
4877          * of time?  It is always necessary to have some method by
4878          * which a register read back can occur to push the write
4879          * out which does the reset.
4880          *
4881          * For most tg3 variants the trick below was working.
4882          * Ho hum...
4883          */
4884         udelay(120);
4885
4886         /* Flush PCI posted writes.  The normal MMIO registers
4887          * are inaccessible at this time so this is the only
4888          * way to make this reliably (actually, this is no longer
4889          * the case, see above).  I tried to use indirect
4890          * register read/write but this upset some 5701 variants.
4891          */
4892         pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
4893
4894         udelay(120);
4895
4896         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4897                 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
4898                         int i;
4899                         u32 cfg_val;
4900
4901                         /* Wait for link training to complete.  */
4902                         for (i = 0; i < 5000; i++)
4903                                 udelay(100);
4904
4905                         pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
4906                         pci_write_config_dword(tp->pdev, 0xc4,
4907                                                cfg_val | (1 << 15));
4908                 }
4909                 /* Set PCIE max payload size and clear error status.  */
4910                 pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
4911         }
4912
4913         /* Re-enable indirect register accesses. */
4914         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
4915                                tp->misc_host_ctrl);
4916
4917         /* Set MAX PCI retry to zero. */
4918         val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
4919         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
4920             (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
4921                 val |= PCISTATE_RETRY_SAME_DMA;
4922         pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
4923
4924         pci_restore_state(tp->pdev);
4925
4926         tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
4927
4928         /* Make sure PCI-X relaxed ordering bit is clear. */
4929         pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
4930         val &= ~PCIX_CAPS_RELAXED_ORDERING;
4931         pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
4932
4933         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
4934                 u32 val;
4935
4936                 /* Chip reset on 5780 will reset MSI enable bit,
4937                  * so need to restore it.
4938                  */
4939                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
4940                         u16 ctrl;
4941
4942                         pci_read_config_word(tp->pdev,
4943                                              tp->msi_cap + PCI_MSI_FLAGS,
4944                                              &ctrl);
4945                         pci_write_config_word(tp->pdev,
4946                                               tp->msi_cap + PCI_MSI_FLAGS,
4947                                               ctrl | PCI_MSI_FLAGS_ENABLE);
4948                         val = tr32(MSGINT_MODE);
4949                         tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
4950                 }
4951
4952                 val = tr32(MEMARB_MODE);
4953                 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
4954
4955         } else
4956                 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
4957
4958         if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
4959                 tg3_stop_fw(tp);
4960                 tw32(0x5000, 0x400);
4961         }
4962
4963         tw32(GRC_MODE, tp->grc_mode);
4964
4965         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
4966                 u32 val = tr32(0xc4);
4967
4968                 tw32(0xc4, val | (1 << 15));
4969         }
4970
4971         if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
4972             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
4973                 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
4974                 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
4975                         tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
4976                 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
4977         }
4978
4979         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
4980                 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
4981                 tw32_f(MAC_MODE, tp->mac_mode);
4982         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
4983                 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
4984                 tw32_f(MAC_MODE, tp->mac_mode);
4985         } else
4986                 tw32_f(MAC_MODE, 0);
4987         udelay(40);
4988
4989         err = tg3_poll_fw(tp);
4990         if (err)
4991                 return err;
4992
4993         if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
4994             tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4995                 u32 val = tr32(0x7c00);
4996
4997                 tw32(0x7c00, val | (1 << 25));
4998         }
4999
5000         /* Reprobe ASF enable state.  */
5001         tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
5002         tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
5003         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
5004         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
5005                 u32 nic_cfg;
5006
5007                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
5008                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
5009                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
5010                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
5011                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
5012                 }
5013         }
5014
5015         return 0;
5016 }
5017
5018 /* tp->lock is held. */
5019 static void tg3_stop_fw(struct tg3 *tp)
5020 {
5021         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
5022                 u32 val;
5023                 int i;
5024
5025                 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
5026                 val = tr32(GRC_RX_CPU_EVENT);
5027                 val |= (1 << 14);
5028                 tw32(GRC_RX_CPU_EVENT, val);
5029
5030                 /* Wait for RX cpu to ACK the event.  */
5031                 for (i = 0; i < 100; i++) {
5032                         if (!(tr32(GRC_RX_CPU_EVENT) & (1 << 14)))
5033                                 break;
5034                         udelay(1);
5035                 }
5036         }
5037 }
5038
5039 /* tp->lock is held. */
5040 static int tg3_halt(struct tg3 *tp, int kind, int silent)
5041 {
5042         int err;
5043
5044         tg3_stop_fw(tp);
5045
5046         tg3_write_sig_pre_reset(tp, kind);
5047
5048         tg3_abort_hw(tp, silent);
5049         err = tg3_chip_reset(tp);
5050
5051         tg3_write_sig_legacy(tp, kind);
5052         tg3_write_sig_post_reset(tp, kind);
5053
5054         if (err)
5055                 return err;
5056
5057         return 0;
5058 }
5059
5060 #define TG3_FW_RELEASE_MAJOR    0x0
5061 #define TG3_FW_RELASE_MINOR     0x0
5062 #define TG3_FW_RELEASE_FIX      0x0
5063 #define TG3_FW_START_ADDR       0x08000000
5064 #define TG3_FW_TEXT_ADDR        0x08000000
5065 #define TG3_FW_TEXT_LEN         0x9c0
5066 #define TG3_FW_RODATA_ADDR      0x080009c0
5067 #define TG3_FW_RODATA_LEN       0x60
5068 #define TG3_FW_DATA_ADDR        0x08000a40
5069 #define TG3_FW_DATA_LEN         0x20
5070 #define TG3_FW_SBSS_ADDR        0x08000a60
5071 #define TG3_FW_SBSS_LEN         0xc
5072 #define TG3_FW_BSS_ADDR         0x08000a70
5073 #define TG3_FW_BSS_LEN          0x10
5074
5075 static const u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = {
5076         0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800,
5077         0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000,
5078         0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034,
5079         0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000,
5080         0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105,
5081         0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0,
5082         0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010,
5083         0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01,
5084         0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c,
5085         0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000,
5086         0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400,
5087         0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c,
5088         0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000,
5089         0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64,
5090         0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000,
5091         0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5092         0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68,
5093         0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003,
5094         0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800,
5095         0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5096         0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60,
5097         0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008,
5098         0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5099         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5100         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5101         0, 0, 0, 0, 0, 0,
5102         0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002,
5103         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5104         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5105         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5106         0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009,
5107         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b,
5108         0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000,
5109         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000,
5110         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5111         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5112         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014,
5113         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5114         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5115         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5116         0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010,
5117         0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74,
5118         0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c,
5119         0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800,
5120         0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001,
5121         0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028,
5122         0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800,
5123         0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0,
5124         0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014,
5125         0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001,
5126         0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810,
5127         0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018,
5128         0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec,
5129         0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c,
5130         0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74,
5131         0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000,
5132         0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c,
5133         0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c,
5134         0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df,
5135         0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000,
5136         0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800,
5137         0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402,
5138         0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00,
5139         0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010,
5140         0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df,
5141         0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001,
5142         0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008,
5143         0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021,
5144         0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018,
5145         0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b,
5146         0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000,
5147         0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008,
5148         0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b,
5149         0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001,
5150         0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821,
5151         0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000,
5152         0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000,
5153         0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821,
5154         0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff,
5155         0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008,
5156         0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010,
5157         0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000,
5158         0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428,
5159         0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c,
5160         0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e,
5161         0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010,
5162         0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000,
5163         0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001,
5164         0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000,
5165         0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824,
5166         0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000
5167 };
5168
5169 static const u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = {
5170         0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430,
5171         0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74,
5172         0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5173         0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000,
5174         0x00000000
5175 };
5176
5177 #if 0 /* All zeros, don't eat up space with it. */
5178 u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = {
5179         0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5180         0x00000000, 0x00000000, 0x00000000, 0x00000000
5181 };
5182 #endif
5183
5184 #define RX_CPU_SCRATCH_BASE     0x30000
5185 #define RX_CPU_SCRATCH_SIZE     0x04000
5186 #define TX_CPU_SCRATCH_BASE     0x34000
5187 #define TX_CPU_SCRATCH_SIZE     0x04000
5188
5189 /* tp->lock is held. */
5190 static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
5191 {
5192         int i;
5193
5194         BUG_ON(offset == TX_CPU_BASE &&
5195             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
5196
5197         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
5198                 u32 val = tr32(GRC_VCPU_EXT_CTRL);
5199
5200                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
5201                 return 0;
5202         }
5203         if (offset == RX_CPU_BASE) {
5204                 for (i = 0; i < 10000; i++) {
5205                         tw32(offset + CPU_STATE, 0xffffffff);
5206                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
5207                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5208                                 break;
5209                 }
5210
5211                 tw32(offset + CPU_STATE, 0xffffffff);
5212                 tw32_f(offset + CPU_MODE,  CPU_MODE_HALT);
5213                 udelay(10);
5214         } else {
5215                 for (i = 0; i < 10000; i++) {
5216                         tw32(offset + CPU_STATE, 0xffffffff);
5217                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
5218                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5219                                 break;
5220                 }
5221         }
5222
5223         if (i >= 10000) {
5224                 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
5225                        "and %s CPU\n",
5226                        tp->dev->name,
5227                        (offset == RX_CPU_BASE ? "RX" : "TX"));
5228                 return -ENODEV;
5229         }
5230
5231         /* Clear firmware's nvram arbitration. */
5232         if (tp->tg3_flags & TG3_FLAG_NVRAM)
5233                 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
5234         return 0;
5235 }
5236
5237 struct fw_info {
5238         unsigned int text_base;
5239         unsigned int text_len;
5240         const u32 *text_data;
5241         unsigned int rodata_base;
5242         unsigned int rodata_len;
5243         const u32 *rodata_data;
5244         unsigned int data_base;
5245         unsigned int data_len;
5246         const u32 *data_data;
5247 };
5248
5249 /* tp->lock is held. */
5250 static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
5251                                  int cpu_scratch_size, struct fw_info *info)
5252 {
5253         int err, lock_err, i;
5254         void (*write_op)(struct tg3 *, u32, u32);
5255
5256         if (cpu_base == TX_CPU_BASE &&
5257             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5258                 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
5259                        "TX cpu firmware on %s which is 5705.\n",
5260                        tp->dev->name);
5261                 return -EINVAL;
5262         }
5263
5264         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
5265                 write_op = tg3_write_mem;
5266         else
5267                 write_op = tg3_write_indirect_reg32;
5268
5269         /* It is possible that bootcode is still loading at this point.
5270          * Get the nvram lock first before halting the cpu.
5271          */
5272         lock_err = tg3_nvram_lock(tp);
5273         err = tg3_halt_cpu(tp, cpu_base);
5274         if (!lock_err)
5275                 tg3_nvram_unlock(tp);
5276         if (err)
5277                 goto out;
5278
5279         for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
5280                 write_op(tp, cpu_scratch_base + i, 0);
5281         tw32(cpu_base + CPU_STATE, 0xffffffff);
5282         tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
5283         for (i = 0; i < (info->text_len / sizeof(u32)); i++)
5284                 write_op(tp, (cpu_scratch_base +
5285                               (info->text_base & 0xffff) +
5286                               (i * sizeof(u32))),
5287                          (info->text_data ?
5288                           info->text_data[i] : 0));
5289         for (i = 0; i < (info->rodata_len / sizeof(u32)); i++)
5290                 write_op(tp, (cpu_scratch_base +
5291                               (info->rodata_base & 0xffff) +
5292                               (i * sizeof(u32))),
5293                          (info->rodata_data ?
5294                           info->rodata_data[i] : 0));
5295         for (i = 0; i < (info->data_len / sizeof(u32)); i++)
5296                 write_op(tp, (cpu_scratch_base +
5297                               (info->data_base & 0xffff) +
5298                               (i * sizeof(u32))),
5299                          (info->data_data ?
5300                           info->data_data[i] : 0));
5301
5302         err = 0;
5303
5304 out:
5305         return err;
5306 }
5307
5308 /* tp->lock is held. */
5309 static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
5310 {
5311         struct fw_info info;
5312         int err, i;
5313
5314         info.text_base = TG3_FW_TEXT_ADDR;
5315         info.text_len = TG3_FW_TEXT_LEN;
5316         info.text_data = &tg3FwText[0];
5317         info.rodata_base = TG3_FW_RODATA_ADDR;
5318         info.rodata_len = TG3_FW_RODATA_LEN;
5319         info.rodata_data = &tg3FwRodata[0];
5320         info.data_base = TG3_FW_DATA_ADDR;
5321         info.data_len = TG3_FW_DATA_LEN;
5322         info.data_data = NULL;
5323
5324         err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
5325                                     RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
5326                                     &info);
5327         if (err)
5328                 return err;
5329
5330         err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
5331                                     TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
5332                                     &info);
5333         if (err)
5334                 return err;
5335
5336         /* Now startup only the RX cpu. */
5337         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5338         tw32_f(RX_CPU_BASE + CPU_PC,    TG3_FW_TEXT_ADDR);
5339
5340         for (i = 0; i < 5; i++) {
5341                 if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR)
5342                         break;
5343                 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5344                 tw32(RX_CPU_BASE + CPU_MODE,  CPU_MODE_HALT);
5345                 tw32_f(RX_CPU_BASE + CPU_PC,    TG3_FW_TEXT_ADDR);
5346                 udelay(1000);
5347         }
5348         if (i >= 5) {
5349                 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
5350                        "to set RX CPU PC, is %08x should be %08x\n",
5351                        tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
5352                        TG3_FW_TEXT_ADDR);
5353                 return -ENODEV;
5354         }
5355         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5356         tw32_f(RX_CPU_BASE + CPU_MODE,  0x00000000);
5357
5358         return 0;
5359 }
5360
5361
5362 #define TG3_TSO_FW_RELEASE_MAJOR        0x1
5363 #define TG3_TSO_FW_RELASE_MINOR         0x6
5364 #define TG3_TSO_FW_RELEASE_FIX          0x0
5365 #define TG3_TSO_FW_START_ADDR           0x08000000
5366 #define TG3_TSO_FW_TEXT_ADDR            0x08000000
5367 #define TG3_TSO_FW_TEXT_LEN             0x1aa0
5368 #define TG3_TSO_FW_RODATA_ADDR          0x08001aa0
5369 #define TG3_TSO_FW_RODATA_LEN           0x60
5370 #define TG3_TSO_FW_DATA_ADDR            0x08001b20
5371 #define TG3_TSO_FW_DATA_LEN             0x30
5372 #define TG3_TSO_FW_SBSS_ADDR            0x08001b50
5373 #define TG3_TSO_FW_SBSS_LEN             0x2c
5374 #define TG3_TSO_FW_BSS_ADDR             0x08001b80
5375 #define TG3_TSO_FW_BSS_LEN              0x894
5376
5377 static const u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = {
5378         0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000,
5379         0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800,
5380         0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5381         0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800,
5382         0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001,
5383         0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c,
5384         0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001,
5385         0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008,
5386         0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c,
5387         0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001,
5388         0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000,
5389         0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001,
5390         0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800,
5391         0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c,
5392         0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008,
5393         0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021,
5394         0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800,
5395         0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c,
5396         0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5397         0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800,
5398         0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8,
5399         0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8,
5400         0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90,
5401         0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068,
5402         0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c,
5403         0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021,
5404         0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008,
5405         0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021,
5406         0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b,
5407         0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5408         0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008,
5409         0xaf636820, 0x27bdffd0, 0xafbf002c, 0xafb60028, 0xafb50024, 0xafb40020,
5410         0xafb3001c, 0xafb20018, 0xafb10014, 0xafb00010, 0x8f675c5c, 0x3c030800,
5411         0x24631bbc, 0x8c620000, 0x14470005, 0x3c0200ff, 0x3c020800, 0x90421b98,
5412         0x14400119, 0x3c0200ff, 0x3442fff8, 0x00e28824, 0xac670000, 0x00111902,
5413         0x306300ff, 0x30e20003, 0x000211c0, 0x00622825, 0x00a04021, 0x00071602,
5414         0x3c030800, 0x90631b98, 0x3044000f, 0x14600036, 0x00804821, 0x24020001,
5415         0x3c010800, 0xa0221b98, 0x00051100, 0x00821025, 0x3c010800, 0xac201b9c,
5416         0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5417         0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bb0, 0x3c010800, 0xac201bb4,
5418         0x3c010800, 0xa42223d8, 0x9622000c, 0x30437fff, 0x3c010800, 0xa4222410,
5419         0x30428000, 0x3c010800, 0xa4231bc6, 0x10400005, 0x24020001, 0x3c010800,
5420         0xac2223f4, 0x0a000102, 0x2406003e, 0x24060036, 0x3c010800, 0xac2023f4,
5421         0x9622000a, 0x3c030800, 0x94631bc6, 0x3c010800, 0xac2023f0, 0x3c010800,
5422         0xac2023f8, 0x00021302, 0x00021080, 0x00c21021, 0x00621821, 0x3c010800,
5423         0xa42223d0, 0x3c010800, 0x0a000115, 0xa4231b96, 0x9622000c, 0x3c010800,
5424         0xa42223ec, 0x3c040800, 0x24841b9c, 0x8c820000, 0x00021100, 0x3c010800,
5425         0x00220821, 0xac311bc8, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5426         0xac271bcc, 0x8c820000, 0x25030001, 0x306601ff, 0x00021100, 0x3c010800,
5427         0x00220821, 0xac261bd0, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5428         0xac291bd4, 0x96230008, 0x3c020800, 0x8c421bac, 0x00432821, 0x3c010800,
5429         0xac251bac, 0x9622000a, 0x30420004, 0x14400018, 0x00061100, 0x8f630c14,
5430         0x3063000f, 0x2c620002, 0x1440000b, 0x3c02c000, 0x8f630c14, 0x3c020800,
5431         0x8c421b40, 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002,
5432         0x1040fff7, 0x3c02c000, 0x00e21825, 0xaf635c5c, 0x8f625c50, 0x30420002,
5433         0x10400014, 0x00000000, 0x0a000147, 0x00000000, 0x3c030800, 0x8c631b80,
5434         0x3c040800, 0x94841b94, 0x01221025, 0x3c010800, 0xa42223da, 0x24020001,
5435         0x3c010800, 0xac221bb8, 0x24630001, 0x0085202a, 0x3c010800, 0x10800003,
5436         0xac231b80, 0x3c010800, 0xa4251b94, 0x3c060800, 0x24c61b9c, 0x8cc20000,
5437         0x24420001, 0xacc20000, 0x28420080, 0x14400005, 0x00000000, 0x0e000656,
5438         0x24040002, 0x0a0001e6, 0x00000000, 0x3c020800, 0x8c421bb8, 0x10400078,
5439         0x24020001, 0x3c050800, 0x90a51b98, 0x14a20072, 0x00000000, 0x3c150800,
5440         0x96b51b96, 0x3c040800, 0x8c841bac, 0x32a3ffff, 0x0083102a, 0x1440006c,
5441         0x00000000, 0x14830003, 0x00000000, 0x3c010800, 0xac2523f0, 0x1060005c,
5442         0x00009021, 0x24d60004, 0x0060a021, 0x24d30014, 0x8ec20000, 0x00028100,
5443         0x3c110800, 0x02308821, 0x0e000625, 0x8e311bc8, 0x00402821, 0x10a00054,
5444         0x00000000, 0x9628000a, 0x31020040, 0x10400005, 0x2407180c, 0x8e22000c,
5445         0x2407188c, 0x00021400, 0xaca20018, 0x3c030800, 0x00701821, 0x8c631bd0,
5446         0x3c020800, 0x00501021, 0x8c421bd4, 0x00031d00, 0x00021400, 0x00621825,
5447         0xaca30014, 0x8ec30004, 0x96220008, 0x00432023, 0x3242ffff, 0x3083ffff,
5448         0x00431021, 0x0282102a, 0x14400002, 0x02b23023, 0x00803021, 0x8e620000,
5449         0x30c4ffff, 0x00441021, 0xae620000, 0x8e220000, 0xaca20000, 0x8e220004,
5450         0x8e63fff4, 0x00431021, 0xaca20004, 0xa4a6000e, 0x8e62fff4, 0x00441021,
5451         0xae62fff4, 0x96230008, 0x0043102a, 0x14400005, 0x02469021, 0x8e62fff0,
5452         0xae60fff4, 0x24420001, 0xae62fff0, 0xaca00008, 0x3242ffff, 0x14540008,
5453         0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x24020905, 0xa4a2000c,
5454         0x0a0001cb, 0x34e70020, 0xa4a2000c, 0x3c020800, 0x8c4223f0, 0x10400003,
5455         0x3c024b65, 0x0a0001d3, 0x34427654, 0x3c02b49a, 0x344289ab, 0xaca2001c,
5456         0x30e2ffff, 0xaca20010, 0x0e0005a2, 0x00a02021, 0x3242ffff, 0x0054102b,
5457         0x1440ffa9, 0x00000000, 0x24020002, 0x3c010800, 0x0a0001e6, 0xa0221b98,
5458         0x8ec2083c, 0x24420001, 0x0a0001e6, 0xaec2083c, 0x0e0004c0, 0x00000000,
5459         0x8fbf002c, 0x8fb60028, 0x8fb50024, 0x8fb40020, 0x8fb3001c, 0x8fb20018,
5460         0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0030, 0x27bdffd0, 0xafbf0028,
5461         0xafb30024, 0xafb20020, 0xafb1001c, 0xafb00018, 0x8f725c9c, 0x3c0200ff,
5462         0x3442fff8, 0x3c070800, 0x24e71bb4, 0x02428824, 0x9623000e, 0x8ce20000,
5463         0x00431021, 0xace20000, 0x8e220010, 0x30420020, 0x14400011, 0x00809821,
5464         0x0e00063b, 0x02202021, 0x3c02c000, 0x02421825, 0xaf635c9c, 0x8f625c90,
5465         0x30420002, 0x1040011e, 0x00000000, 0xaf635c9c, 0x8f625c90, 0x30420002,
5466         0x10400119, 0x00000000, 0x0a00020d, 0x00000000, 0x8e240008, 0x8e230014,
5467         0x00041402, 0x000231c0, 0x00031502, 0x304201ff, 0x2442ffff, 0x3042007f,
5468         0x00031942, 0x30637800, 0x00021100, 0x24424000, 0x00624821, 0x9522000a,
5469         0x3084ffff, 0x30420008, 0x104000b0, 0x000429c0, 0x3c020800, 0x8c422400,
5470         0x14400024, 0x24c50008, 0x94c20014, 0x3c010800, 0xa42223d0, 0x8cc40010,
5471         0x00041402, 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42423d4, 0x94c2000e,
5472         0x3083ffff, 0x00431023, 0x3c010800, 0xac222408, 0x94c2001a, 0x3c010800,
5473         0xac262400, 0x3c010800, 0xac322404, 0x3c010800, 0xac2223fc, 0x3c02c000,
5474         0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e5, 0x00000000,
5475         0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e0, 0x00000000, 0x0a000246,
5476         0x00000000, 0x94c2000e, 0x3c030800, 0x946323d4, 0x00434023, 0x3103ffff,
5477         0x2c620008, 0x1040001c, 0x00000000, 0x94c20014, 0x24420028, 0x00a22821,
5478         0x00031042, 0x1840000b, 0x00002021, 0x24e60848, 0x00403821, 0x94a30000,
5479         0x8cc20000, 0x24840001, 0x00431021, 0xacc20000, 0x0087102a, 0x1440fff9,
5480         0x24a50002, 0x31020001, 0x1040001f, 0x3c024000, 0x3c040800, 0x248423fc,
5481         0xa0a00001, 0x94a30000, 0x8c820000, 0x00431021, 0x0a000285, 0xac820000,
5482         0x8f626800, 0x3c030010, 0x00431024, 0x10400009, 0x00000000, 0x94c2001a,
5483         0x3c030800, 0x8c6323fc, 0x00431021, 0x3c010800, 0xac2223fc, 0x0a000286,
5484         0x3c024000, 0x94c2001a, 0x94c4001c, 0x3c030800, 0x8c6323fc, 0x00441023,
5485         0x00621821, 0x3c010800, 0xac2323fc, 0x3c024000, 0x02421825, 0xaf635c9c,
5486         0x8f625c90, 0x30420002, 0x1440fffc, 0x00000000, 0x9522000a, 0x30420010,
5487         0x1040009b, 0x00000000, 0x3c030800, 0x946323d4, 0x3c070800, 0x24e72400,
5488         0x8ce40000, 0x8f626800, 0x24630030, 0x00832821, 0x3c030010, 0x00431024,
5489         0x1440000a, 0x00000000, 0x94a20004, 0x3c040800, 0x8c842408, 0x3c030800,
5490         0x8c6323fc, 0x00441023, 0x00621821, 0x3c010800, 0xac2323fc, 0x3c040800,
5491         0x8c8423fc, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, 0x00822021,
5492         0x00041027, 0xa4a20006, 0x3c030800, 0x8c632404, 0x3c0200ff, 0x3442fff8,
5493         0x00628824, 0x96220008, 0x24050001, 0x24034000, 0x000231c0, 0x00801021,
5494         0xa4c2001a, 0xa4c0001c, 0xace00000, 0x3c010800, 0xac251b60, 0xaf635cb8,
5495         0x8f625cb0, 0x30420002, 0x10400003, 0x00000000, 0x3c010800, 0xac201b60,
5496         0x8e220008, 0xaf625cb8, 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000,
5497         0x3c010800, 0xac201b60, 0x3c020800, 0x8c421b60, 0x1040ffec, 0x00000000,
5498         0x3c040800, 0x0e00063b, 0x8c842404, 0x0a00032a, 0x00000000, 0x3c030800,
5499         0x90631b98, 0x24020002, 0x14620003, 0x3c034b65, 0x0a0002e1, 0x00008021,
5500         0x8e22001c, 0x34637654, 0x10430002, 0x24100002, 0x24100001, 0x00c02021,
5501         0x0e000350, 0x02003021, 0x24020003, 0x3c010800, 0xa0221b98, 0x24020002,
5502         0x1202000a, 0x24020001, 0x3c030800, 0x8c6323f0, 0x10620006, 0x00000000,
5503         0x3c020800, 0x944223d8, 0x00021400, 0x0a00031f, 0xae220014, 0x3c040800,
5504         0x248423da, 0x94820000, 0x00021400, 0xae220014, 0x3c020800, 0x8c421bbc,
5505         0x3c03c000, 0x3c010800, 0xa0201b98, 0x00431025, 0xaf625c5c, 0x8f625c50,
5506         0x30420002, 0x10400009, 0x00000000, 0x2484f7e2, 0x8c820000, 0x00431025,
5507         0xaf625c5c, 0x8f625c50, 0x30420002, 0x1440fffa, 0x00000000, 0x3c020800,
5508         0x24421b84, 0x8c430000, 0x24630001, 0xac430000, 0x8f630c14, 0x3063000f,
5509         0x2c620002, 0x1440000c, 0x3c024000, 0x8f630c14, 0x3c020800, 0x8c421b40,
5510         0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7,
5511         0x00000000, 0x3c024000, 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002,
5512         0x1440fffc, 0x00000000, 0x12600003, 0x00000000, 0x0e0004c0, 0x00000000,
5513         0x8fbf0028, 0x8fb30024, 0x8fb20020, 0x8fb1001c, 0x8fb00018, 0x03e00008,
5514         0x27bd0030, 0x8f634450, 0x3c040800, 0x24841b88, 0x8c820000, 0x00031c02,
5515         0x0043102b, 0x14400007, 0x3c038000, 0x8c840004, 0x8f624450, 0x00021c02,
5516         0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5517         0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3c024000,
5518         0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00000000,
5519         0x03e00008, 0x00000000, 0x27bdffe0, 0x00805821, 0x14c00011, 0x256e0008,
5520         0x3c020800, 0x8c4223f4, 0x10400007, 0x24020016, 0x3c010800, 0xa42223d2,
5521         0x2402002a, 0x3c010800, 0x0a000364, 0xa42223d4, 0x8d670010, 0x00071402,
5522         0x3c010800, 0xa42223d2, 0x3c010800, 0xa42723d4, 0x3c040800, 0x948423d4,
5523         0x3c030800, 0x946323d2, 0x95cf0006, 0x3c020800, 0x944223d0, 0x00832023,
5524         0x01e2c023, 0x3065ffff, 0x24a20028, 0x01c24821, 0x3082ffff, 0x14c0001a,
5525         0x01226021, 0x9582000c, 0x3042003f, 0x3c010800, 0xa42223d6, 0x95820004,
5526         0x95830006, 0x3c010800, 0xac2023e4, 0x3c010800, 0xac2023e8, 0x00021400,
5527         0x00431025, 0x3c010800, 0xac221bc0, 0x95220004, 0x3c010800, 0xa4221bc4,
5528         0x95230002, 0x01e51023, 0x0043102a, 0x10400010, 0x24020001, 0x3c010800,
5529         0x0a000398, 0xac2223f8, 0x3c030800, 0x8c6323e8, 0x3c020800, 0x94421bc4,
5530         0x00431021, 0xa5220004, 0x3c020800, 0x94421bc0, 0xa5820004, 0x3c020800,
5531         0x8c421bc0, 0xa5820006, 0x3c020800, 0x8c4223f0, 0x3c0d0800, 0x8dad23e4,
5532         0x3c0a0800, 0x144000e5, 0x8d4a23e8, 0x3c020800, 0x94421bc4, 0x004a1821,
5533         0x3063ffff, 0x0062182b, 0x24020002, 0x10c2000d, 0x01435023, 0x3c020800,
5534         0x944223d6, 0x30420009, 0x10400008, 0x00000000, 0x9582000c, 0x3042fff6,
5535         0xa582000c, 0x3c020800, 0x944223d6, 0x30420009, 0x01a26823, 0x3c020800,
5536         0x8c4223f8, 0x1040004a, 0x01203821, 0x3c020800, 0x944223d2, 0x00004021,
5537         0xa520000a, 0x01e21023, 0xa5220002, 0x3082ffff, 0x00021042, 0x18400008,
5538         0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, 0x0103102a,
5539         0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061402,
5540         0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, 0x2527000c,
5541         0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, 0x1440fffb,
5542         0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, 0x01803821,
5543         0x3082ffff, 0xa4e00010, 0x00621821, 0x00021042, 0x18400010, 0x00c33021,
5544         0x00404821, 0x94e20000, 0x24e70002, 0x00c23021, 0x30e2007f, 0x14400006,
5545         0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, 0x00625824, 0x25670008,
5546         0x0109102a, 0x1440fff3, 0x00000000, 0x30820001, 0x10400005, 0x00061c02,
5547         0xa0e00001, 0x94e20000, 0x00c23021, 0x00061c02, 0x30c2ffff, 0x00623021,
5548         0x00061402, 0x00c23021, 0x0a00047d, 0x30c6ffff, 0x24020002, 0x14c20081,
5549         0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800,
5550         0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800,
5551         0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a,
5552         0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02,
5553         0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821,
5554         0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023,
5555         0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff,
5556         0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042,
5557         0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021,
5558         0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021,
5559         0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021,
5560         0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004,
5561         0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023,
5562         0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821,
5563         0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800,
5564         0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043,
5565         0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021,
5566         0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80,
5567         0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800,
5568         0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff,
5569         0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010,
5570         0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007,
5571         0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402,
5572         0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff,
5573         0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021,
5574         0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff,
5575         0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005,
5576         0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800,
5577         0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4,
5578         0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b,
5579         0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4,
5580         0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800,
5581         0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034,
5582         0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000,
5583         0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac,
5584         0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022,
5585         0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000,
5586         0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0,
5587         0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021,
5588         0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000,
5589         0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc,
5590         0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005,
5591         0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080,
5592         0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800,
5593         0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014,
5594         0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823,
5595         0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021,
5596         0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010,
5597         0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5,
5598         0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5599         0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021,
5600         0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c,
5601         0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005,
5602         0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800,
5603         0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500,
5604         0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023,
5605         0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821,
5606         0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000,
5607         0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021,
5608         0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006,
5609         0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0,
5610         0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006,
5611         0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905,
5612         0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860,
5613         0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab,
5614         0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff,
5615         0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5616         0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038,
5617         0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020,
5618         0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450,
5619         0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003,
5620         0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff,
5621         0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002,
5622         0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f,
5623         0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000,
5624         0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820,
5625         0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4,
5626         0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000,
5627         0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010,
5628         0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50,
5629         0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002,
5630         0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff,
5631         0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8,
5632         0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438,
5633         0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800,
5634         0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800,
5635         0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000,
5636         0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000,
5637         0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021,
5638         0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe,
5639         0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008,
5640         0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b,
5641         0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02,
5642         0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5643         0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff,
5644         0x2442e000, 0x2c422001,&nb