2 * tg3.c: Broadcom Tigon3 ethernet driver.
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) 2005-2010 Broadcom Corporation.
10 * Derived from proprietary unpublished source code,
11 * Copyright (C) 2000-2003 Broadcom Corporation.
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.
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>
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/phy.h>
36 #include <linux/brcmphy.h>
37 #include <linux/if_vlan.h>
39 #include <linux/tcp.h>
40 #include <linux/workqueue.h>
41 #include <linux/prefetch.h>
42 #include <linux/dma-mapping.h>
43 #include <linux/firmware.h>
45 #include <net/checksum.h>
48 #include <asm/system.h>
50 #include <asm/byteorder.h>
51 #include <asm/uaccess.h>
54 #include <asm/idprom.h>
61 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
62 #define TG3_VLAN_TAG_USED 1
64 #define TG3_VLAN_TAG_USED 0
69 #define DRV_MODULE_NAME "tg3"
70 #define PFX DRV_MODULE_NAME ": "
71 #define DRV_MODULE_VERSION "3.107"
72 #define DRV_MODULE_RELDATE "February 12, 2010"
74 #define TG3_DEF_MAC_MODE 0
75 #define TG3_DEF_RX_MODE 0
76 #define TG3_DEF_TX_MODE 0
77 #define TG3_DEF_MSG_ENABLE \
87 /* length of time before we decide the hardware is borked,
88 * and dev->tx_timeout() should be called to fix the problem
90 #define TG3_TX_TIMEOUT (5 * HZ)
92 /* hardware minimum and maximum for a single frame's data payload */
93 #define TG3_MIN_MTU 60
94 #define TG3_MAX_MTU(tp) \
95 ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) ? 9000 : 1500)
97 /* These numbers seem to be hard coded in the NIC firmware somehow.
98 * You can't change the ring sizes, but you can change where you place
99 * them in the NIC onboard memory.
101 #define TG3_RX_RING_SIZE 512
102 #define TG3_DEF_RX_RING_PENDING 200
103 #define TG3_RX_JUMBO_RING_SIZE 256
104 #define TG3_DEF_RX_JUMBO_RING_PENDING 100
105 #define TG3_RSS_INDIR_TBL_SIZE 128
107 /* Do not place this n-ring entries value into the tp struct itself,
108 * we really want to expose these constants to GCC so that modulo et
109 * al. operations are done with shifts and masks instead of with
110 * hw multiply/modulo instructions. Another solution would be to
111 * replace things like '% foo' with '& (foo - 1)'.
113 #define TG3_RX_RCB_RING_SIZE(tp) \
114 (((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) && \
115 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) ? 1024 : 512)
117 #define TG3_TX_RING_SIZE 512
118 #define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
120 #define TG3_RX_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
122 #define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_ext_rx_buffer_desc) * \
123 TG3_RX_JUMBO_RING_SIZE)
124 #define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
125 TG3_RX_RCB_RING_SIZE(tp))
126 #define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
128 #define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
130 #define TG3_DMA_BYTE_ENAB 64
132 #define TG3_RX_STD_DMA_SZ 1536
133 #define TG3_RX_JMB_DMA_SZ 9046
135 #define TG3_RX_DMA_TO_MAP_SZ(x) ((x) + TG3_DMA_BYTE_ENAB)
137 #define TG3_RX_STD_MAP_SZ TG3_RX_DMA_TO_MAP_SZ(TG3_RX_STD_DMA_SZ)
138 #define TG3_RX_JMB_MAP_SZ TG3_RX_DMA_TO_MAP_SZ(TG3_RX_JMB_DMA_SZ)
140 #define TG3_RX_STD_BUFF_RING_SIZE \
141 (sizeof(struct ring_info) * TG3_RX_RING_SIZE)
143 #define TG3_RX_JMB_BUFF_RING_SIZE \
144 (sizeof(struct ring_info) * TG3_RX_JUMBO_RING_SIZE)
146 /* minimum number of free TX descriptors required to wake up TX process */
147 #define TG3_TX_WAKEUP_THRESH(tnapi) ((tnapi)->tx_pending / 4)
149 #define TG3_RAW_IP_ALIGN 2
151 /* number of ETHTOOL_GSTATS u64's */
152 #define TG3_NUM_STATS (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
154 #define TG3_NUM_TEST 6
156 #define FIRMWARE_TG3 "tigon/tg3.bin"
157 #define FIRMWARE_TG3TSO "tigon/tg3_tso.bin"
158 #define FIRMWARE_TG3TSO5 "tigon/tg3_tso5.bin"
160 static char version
[] __devinitdata
=
161 DRV_MODULE_NAME
".c:v" DRV_MODULE_VERSION
" (" DRV_MODULE_RELDATE
")\n";
163 MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
164 MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
165 MODULE_LICENSE("GPL");
166 MODULE_VERSION(DRV_MODULE_VERSION
);
167 MODULE_FIRMWARE(FIRMWARE_TG3
);
168 MODULE_FIRMWARE(FIRMWARE_TG3TSO
);
169 MODULE_FIRMWARE(FIRMWARE_TG3TSO5
);
171 #define TG3_RSS_MIN_NUM_MSIX_VECS 2
173 static int tg3_debug
= -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
174 module_param(tg3_debug
, int, 0);
175 MODULE_PARM_DESC(tg3_debug
, "Tigon3 bitmapped debugging message enable value");
177 static DEFINE_PCI_DEVICE_TABLE(tg3_pci_tbl
) = {
178 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5700
)},
179 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5701
)},
180 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5702
)},
181 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5703
)},
182 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5704
)},
183 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5702FE
)},
184 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5705
)},
185 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5705_2
)},
186 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5705M
)},
187 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5705M_2
)},
188 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5702X
)},
189 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5703X
)},
190 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5704S
)},
191 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5702A3
)},
192 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5703A3
)},
193 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5782
)},
194 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5788
)},
195 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5789
)},
196 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5901
)},
197 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5901_2
)},
198 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5704S_2
)},
199 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5705F
)},
200 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5720
)},
201 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5721
)},
202 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5722
)},
203 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5750
)},
204 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5751
)},
205 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5750M
)},
206 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5751M
)},
207 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5751F
)},
208 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5752
)},
209 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5752M
)},
210 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5753
)},
211 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5753M
)},
212 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5753F
)},
213 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5754
)},
214 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5754M
)},
215 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5755
)},
216 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5755M
)},
217 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5756
)},
218 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5786
)},
219 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5787
)},
220 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5787M
)},
221 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5787F
)},
222 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5714
)},
223 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5714S
)},
224 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5715
)},
225 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5715S
)},
226 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5780
)},
227 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5780S
)},
228 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5781
)},
229 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5906
)},
230 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5906M
)},
231 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5784
)},
232 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5764
)},
233 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5723
)},
234 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5761
)},
235 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, PCI_DEVICE_ID_TIGON3_5761E
)},
236 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, TG3PCI_DEVICE_TIGON3_5761S
)},
237 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, TG3PCI_DEVICE_TIGON3_5761SE
)},
238 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, TG3PCI_DEVICE_TIGON3_5785_G
)},
239 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, TG3PCI_DEVICE_TIGON3_5785_F
)},
240 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, TG3PCI_DEVICE_TIGON3_57780
)},
241 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, TG3PCI_DEVICE_TIGON3_57760
)},
242 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, TG3PCI_DEVICE_TIGON3_57790
)},
243 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, TG3PCI_DEVICE_TIGON3_57788
)},
244 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, TG3PCI_DEVICE_TIGON3_5717
)},
245 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, TG3PCI_DEVICE_TIGON3_5718
)},
246 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, TG3PCI_DEVICE_TIGON3_5724
)},
247 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, TG3PCI_DEVICE_TIGON3_57781
)},
248 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, TG3PCI_DEVICE_TIGON3_57785
)},
249 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, TG3PCI_DEVICE_TIGON3_57761
)},
250 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, TG3PCI_DEVICE_TIGON3_57765
)},
251 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, TG3PCI_DEVICE_TIGON3_57791
)},
252 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM
, TG3PCI_DEVICE_TIGON3_57795
)},
253 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT
, PCI_DEVICE_ID_SYSKONNECT_9DXX
)},
254 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT
, PCI_DEVICE_ID_SYSKONNECT_9MXX
)},
255 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA
, PCI_DEVICE_ID_ALTIMA_AC1000
)},
256 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA
, PCI_DEVICE_ID_ALTIMA_AC1001
)},
257 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA
, PCI_DEVICE_ID_ALTIMA_AC1003
)},
258 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA
, PCI_DEVICE_ID_ALTIMA_AC9100
)},
259 {PCI_DEVICE(PCI_VENDOR_ID_APPLE
, PCI_DEVICE_ID_APPLE_TIGON3
)},
263 MODULE_DEVICE_TABLE(pci
, tg3_pci_tbl
);
265 static const struct {
266 const char string
[ETH_GSTRING_LEN
];
267 } ethtool_stats_keys
[TG3_NUM_STATS
] = {
270 { "rx_ucast_packets" },
271 { "rx_mcast_packets" },
272 { "rx_bcast_packets" },
274 { "rx_align_errors" },
275 { "rx_xon_pause_rcvd" },
276 { "rx_xoff_pause_rcvd" },
277 { "rx_mac_ctrl_rcvd" },
278 { "rx_xoff_entered" },
279 { "rx_frame_too_long_errors" },
281 { "rx_undersize_packets" },
282 { "rx_in_length_errors" },
283 { "rx_out_length_errors" },
284 { "rx_64_or_less_octet_packets" },
285 { "rx_65_to_127_octet_packets" },
286 { "rx_128_to_255_octet_packets" },
287 { "rx_256_to_511_octet_packets" },
288 { "rx_512_to_1023_octet_packets" },
289 { "rx_1024_to_1522_octet_packets" },
290 { "rx_1523_to_2047_octet_packets" },
291 { "rx_2048_to_4095_octet_packets" },
292 { "rx_4096_to_8191_octet_packets" },
293 { "rx_8192_to_9022_octet_packets" },
300 { "tx_flow_control" },
302 { "tx_single_collisions" },
303 { "tx_mult_collisions" },
305 { "tx_excessive_collisions" },
306 { "tx_late_collisions" },
307 { "tx_collide_2times" },
308 { "tx_collide_3times" },
309 { "tx_collide_4times" },
310 { "tx_collide_5times" },
311 { "tx_collide_6times" },
312 { "tx_collide_7times" },
313 { "tx_collide_8times" },
314 { "tx_collide_9times" },
315 { "tx_collide_10times" },
316 { "tx_collide_11times" },
317 { "tx_collide_12times" },
318 { "tx_collide_13times" },
319 { "tx_collide_14times" },
320 { "tx_collide_15times" },
321 { "tx_ucast_packets" },
322 { "tx_mcast_packets" },
323 { "tx_bcast_packets" },
324 { "tx_carrier_sense_errors" },
328 { "dma_writeq_full" },
329 { "dma_write_prioq_full" },
333 { "rx_threshold_hit" },
335 { "dma_readq_full" },
336 { "dma_read_prioq_full" },
337 { "tx_comp_queue_full" },
339 { "ring_set_send_prod_index" },
340 { "ring_status_update" },
342 { "nic_avoided_irqs" },
343 { "nic_tx_threshold_hit" }
346 static const struct {
347 const char string
[ETH_GSTRING_LEN
];
348 } ethtool_test_keys
[TG3_NUM_TEST
] = {
349 { "nvram test (online) " },
350 { "link test (online) " },
351 { "register test (offline)" },
352 { "memory test (offline)" },
353 { "loopback test (offline)" },
354 { "interrupt test (offline)" },
357 static void tg3_write32(struct tg3
*tp
, u32 off
, u32 val
)
359 writel(val
, tp
->regs
+ off
);
362 static u32
tg3_read32(struct tg3
*tp
, u32 off
)
364 return (readl(tp
->regs
+ off
));
367 static void tg3_ape_write32(struct tg3
*tp
, u32 off
, u32 val
)
369 writel(val
, tp
->aperegs
+ off
);
372 static u32
tg3_ape_read32(struct tg3
*tp
, u32 off
)
374 return (readl(tp
->aperegs
+ off
));
377 static void tg3_write_indirect_reg32(struct tg3
*tp
, u32 off
, u32 val
)
381 spin_lock_irqsave(&tp
->indirect_lock
, flags
);
382 pci_write_config_dword(tp
->pdev
, TG3PCI_REG_BASE_ADDR
, off
);
383 pci_write_config_dword(tp
->pdev
, TG3PCI_REG_DATA
, val
);
384 spin_unlock_irqrestore(&tp
->indirect_lock
, flags
);
387 static void tg3_write_flush_reg32(struct tg3
*tp
, u32 off
, u32 val
)
389 writel(val
, tp
->regs
+ off
);
390 readl(tp
->regs
+ off
);
393 static u32
tg3_read_indirect_reg32(struct tg3
*tp
, u32 off
)
398 spin_lock_irqsave(&tp
->indirect_lock
, flags
);
399 pci_write_config_dword(tp
->pdev
, TG3PCI_REG_BASE_ADDR
, off
);
400 pci_read_config_dword(tp
->pdev
, TG3PCI_REG_DATA
, &val
);
401 spin_unlock_irqrestore(&tp
->indirect_lock
, flags
);
405 static void tg3_write_indirect_mbox(struct tg3
*tp
, u32 off
, u32 val
)
409 if (off
== (MAILBOX_RCVRET_CON_IDX_0
+ TG3_64BIT_REG_LOW
)) {
410 pci_write_config_dword(tp
->pdev
, TG3PCI_RCV_RET_RING_CON_IDX
+
411 TG3_64BIT_REG_LOW
, val
);
414 if (off
== TG3_RX_STD_PROD_IDX_REG
) {
415 pci_write_config_dword(tp
->pdev
, TG3PCI_STD_RING_PROD_IDX
+
416 TG3_64BIT_REG_LOW
, val
);
420 spin_lock_irqsave(&tp
->indirect_lock
, flags
);
421 pci_write_config_dword(tp
->pdev
, TG3PCI_REG_BASE_ADDR
, off
+ 0x5600);
422 pci_write_config_dword(tp
->pdev
, TG3PCI_REG_DATA
, val
);
423 spin_unlock_irqrestore(&tp
->indirect_lock
, flags
);
425 /* In indirect mode when disabling interrupts, we also need
426 * to clear the interrupt bit in the GRC local ctrl register.
428 if ((off
== (MAILBOX_INTERRUPT_0
+ TG3_64BIT_REG_LOW
)) &&
430 pci_write_config_dword(tp
->pdev
, TG3PCI_MISC_LOCAL_CTRL
,
431 tp
->grc_local_ctrl
|GRC_LCLCTRL_CLEARINT
);
435 static u32
tg3_read_indirect_mbox(struct tg3
*tp
, u32 off
)
440 spin_lock_irqsave(&tp
->indirect_lock
, flags
);
441 pci_write_config_dword(tp
->pdev
, TG3PCI_REG_BASE_ADDR
, off
+ 0x5600);
442 pci_read_config_dword(tp
->pdev
, TG3PCI_REG_DATA
, &val
);
443 spin_unlock_irqrestore(&tp
->indirect_lock
, flags
);
447 /* usec_wait specifies the wait time in usec when writing to certain registers
448 * where it is unsafe to read back the register without some delay.
449 * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
450 * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
452 static void _tw32_flush(struct tg3
*tp
, u32 off
, u32 val
, u32 usec_wait
)
454 if ((tp
->tg3_flags
& TG3_FLAG_PCIX_TARGET_HWBUG
) ||
455 (tp
->tg3_flags2
& TG3_FLG2_ICH_WORKAROUND
))
456 /* Non-posted methods */
457 tp
->write32(tp
, off
, val
);
460 tg3_write32(tp
, off
, val
);
465 /* Wait again after the read for the posted method to guarantee that
466 * the wait time is met.
472 static inline void tw32_mailbox_flush(struct tg3
*tp
, u32 off
, u32 val
)
474 tp
->write32_mbox(tp
, off
, val
);
475 if (!(tp
->tg3_flags
& TG3_FLAG_MBOX_WRITE_REORDER
) &&
476 !(tp
->tg3_flags2
& TG3_FLG2_ICH_WORKAROUND
))
477 tp
->read32_mbox(tp
, off
);
480 static void tg3_write32_tx_mbox(struct tg3
*tp
, u32 off
, u32 val
)
482 void __iomem
*mbox
= tp
->regs
+ off
;
484 if (tp
->tg3_flags
& TG3_FLAG_TXD_MBOX_HWBUG
)
486 if (tp
->tg3_flags
& TG3_FLAG_MBOX_WRITE_REORDER
)
490 static u32
tg3_read32_mbox_5906(struct tg3
*tp
, u32 off
)
492 return (readl(tp
->regs
+ off
+ GRCMBOX_BASE
));
495 static void tg3_write32_mbox_5906(struct tg3
*tp
, u32 off
, u32 val
)
497 writel(val
, tp
->regs
+ off
+ GRCMBOX_BASE
);
500 #define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
501 #define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
502 #define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
503 #define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val)
504 #define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
506 #define tw32(reg,val) tp->write32(tp, reg, val)
507 #define tw32_f(reg,val) _tw32_flush(tp,(reg),(val), 0)
508 #define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
509 #define tr32(reg) tp->read32(tp, reg)
511 static void tg3_write_mem(struct tg3
*tp
, u32 off
, u32 val
)
515 if ((GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
) &&
516 (off
>= NIC_SRAM_STATS_BLK
) && (off
< NIC_SRAM_TX_BUFFER_DESC
))
519 spin_lock_irqsave(&tp
->indirect_lock
, flags
);
520 if (tp
->tg3_flags
& TG3_FLAG_SRAM_USE_CONFIG
) {
521 pci_write_config_dword(tp
->pdev
, TG3PCI_MEM_WIN_BASE_ADDR
, off
);
522 pci_write_config_dword(tp
->pdev
, TG3PCI_MEM_WIN_DATA
, val
);
524 /* Always leave this as zero. */
525 pci_write_config_dword(tp
->pdev
, TG3PCI_MEM_WIN_BASE_ADDR
, 0);
527 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR
, off
);
528 tw32_f(TG3PCI_MEM_WIN_DATA
, val
);
530 /* Always leave this as zero. */
531 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR
, 0);
533 spin_unlock_irqrestore(&tp
->indirect_lock
, flags
);
536 static void tg3_read_mem(struct tg3
*tp
, u32 off
, u32
*val
)
540 if ((GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
) &&
541 (off
>= NIC_SRAM_STATS_BLK
) && (off
< NIC_SRAM_TX_BUFFER_DESC
)) {
546 spin_lock_irqsave(&tp
->indirect_lock
, flags
);
547 if (tp
->tg3_flags
& TG3_FLAG_SRAM_USE_CONFIG
) {
548 pci_write_config_dword(tp
->pdev
, TG3PCI_MEM_WIN_BASE_ADDR
, off
);
549 pci_read_config_dword(tp
->pdev
, TG3PCI_MEM_WIN_DATA
, val
);
551 /* Always leave this as zero. */
552 pci_write_config_dword(tp
->pdev
, TG3PCI_MEM_WIN_BASE_ADDR
, 0);
554 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR
, off
);
555 *val
= tr32(TG3PCI_MEM_WIN_DATA
);
557 /* Always leave this as zero. */
558 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR
, 0);
560 spin_unlock_irqrestore(&tp
->indirect_lock
, flags
);
563 static void tg3_ape_lock_init(struct tg3
*tp
)
567 /* Make sure the driver hasn't any stale locks. */
568 for (i
= 0; i
< 8; i
++)
569 tg3_ape_write32(tp
, TG3_APE_LOCK_GRANT
+ 4 * i
,
570 APE_LOCK_GRANT_DRIVER
);
573 static int tg3_ape_lock(struct tg3
*tp
, int locknum
)
579 if (!(tp
->tg3_flags3
& TG3_FLG3_ENABLE_APE
))
583 case TG3_APE_LOCK_GRC
:
584 case TG3_APE_LOCK_MEM
:
592 tg3_ape_write32(tp
, TG3_APE_LOCK_REQ
+ off
, APE_LOCK_REQ_DRIVER
);
594 /* Wait for up to 1 millisecond to acquire lock. */
595 for (i
= 0; i
< 100; i
++) {
596 status
= tg3_ape_read32(tp
, TG3_APE_LOCK_GRANT
+ off
);
597 if (status
== APE_LOCK_GRANT_DRIVER
)
602 if (status
!= APE_LOCK_GRANT_DRIVER
) {
603 /* Revoke the lock request. */
604 tg3_ape_write32(tp
, TG3_APE_LOCK_GRANT
+ off
,
605 APE_LOCK_GRANT_DRIVER
);
613 static void tg3_ape_unlock(struct tg3
*tp
, int locknum
)
617 if (!(tp
->tg3_flags3
& TG3_FLG3_ENABLE_APE
))
621 case TG3_APE_LOCK_GRC
:
622 case TG3_APE_LOCK_MEM
:
629 tg3_ape_write32(tp
, TG3_APE_LOCK_GRANT
+ off
, APE_LOCK_GRANT_DRIVER
);
632 static void tg3_disable_ints(struct tg3
*tp
)
636 tw32(TG3PCI_MISC_HOST_CTRL
,
637 (tp
->misc_host_ctrl
| MISC_HOST_CTRL_MASK_PCI_INT
));
638 for (i
= 0; i
< tp
->irq_max
; i
++)
639 tw32_mailbox_f(tp
->napi
[i
].int_mbox
, 0x00000001);
642 static void tg3_enable_ints(struct tg3
*tp
)
649 tw32(TG3PCI_MISC_HOST_CTRL
,
650 (tp
->misc_host_ctrl
& ~MISC_HOST_CTRL_MASK_PCI_INT
));
652 tp
->coal_now
= tp
->coalesce_mode
| HOSTCC_MODE_ENABLE
;
653 for (i
= 0; i
< tp
->irq_cnt
; i
++) {
654 struct tg3_napi
*tnapi
= &tp
->napi
[i
];
655 tw32_mailbox_f(tnapi
->int_mbox
, tnapi
->last_tag
<< 24);
656 if (tp
->tg3_flags2
& TG3_FLG2_1SHOT_MSI
)
657 tw32_mailbox_f(tnapi
->int_mbox
, tnapi
->last_tag
<< 24);
659 tp
->coal_now
|= tnapi
->coal_now
;
662 /* Force an initial interrupt */
663 if (!(tp
->tg3_flags
& TG3_FLAG_TAGGED_STATUS
) &&
664 (tp
->napi
[0].hw_status
->status
& SD_STATUS_UPDATED
))
665 tw32(GRC_LOCAL_CTRL
, tp
->grc_local_ctrl
| GRC_LCLCTRL_SETINT
);
667 tw32(HOSTCC_MODE
, tp
->coal_now
);
669 tp
->coal_now
&= ~(tp
->napi
[0].coal_now
| tp
->napi
[1].coal_now
);
672 static inline unsigned int tg3_has_work(struct tg3_napi
*tnapi
)
674 struct tg3
*tp
= tnapi
->tp
;
675 struct tg3_hw_status
*sblk
= tnapi
->hw_status
;
676 unsigned int work_exists
= 0;
678 /* check for phy events */
679 if (!(tp
->tg3_flags
&
680 (TG3_FLAG_USE_LINKCHG_REG
|
681 TG3_FLAG_POLL_SERDES
))) {
682 if (sblk
->status
& SD_STATUS_LINK_CHG
)
685 /* check for RX/TX work to do */
686 if (sblk
->idx
[0].tx_consumer
!= tnapi
->tx_cons
||
687 *(tnapi
->rx_rcb_prod_idx
) != tnapi
->rx_rcb_ptr
)
694 * similar to tg3_enable_ints, but it accurately determines whether there
695 * is new work pending and can return without flushing the PIO write
696 * which reenables interrupts
698 static void tg3_int_reenable(struct tg3_napi
*tnapi
)
700 struct tg3
*tp
= tnapi
->tp
;
702 tw32_mailbox(tnapi
->int_mbox
, tnapi
->last_tag
<< 24);
705 /* When doing tagged status, this work check is unnecessary.
706 * The last_tag we write above tells the chip which piece of
707 * work we've completed.
709 if (!(tp
->tg3_flags
& TG3_FLAG_TAGGED_STATUS
) &&
711 tw32(HOSTCC_MODE
, tp
->coalesce_mode
|
712 HOSTCC_MODE_ENABLE
| tnapi
->coal_now
);
715 static void tg3_napi_disable(struct tg3
*tp
)
719 for (i
= tp
->irq_cnt
- 1; i
>= 0; i
--)
720 napi_disable(&tp
->napi
[i
].napi
);
723 static void tg3_napi_enable(struct tg3
*tp
)
727 for (i
= 0; i
< tp
->irq_cnt
; i
++)
728 napi_enable(&tp
->napi
[i
].napi
);
731 static inline void tg3_netif_stop(struct tg3
*tp
)
733 tp
->dev
->trans_start
= jiffies
; /* prevent tx timeout */
734 tg3_napi_disable(tp
);
735 netif_tx_disable(tp
->dev
);
738 static inline void tg3_netif_start(struct tg3
*tp
)
740 /* NOTE: unconditional netif_tx_wake_all_queues is only
741 * appropriate so long as all callers are assured to
742 * have free tx slots (such as after tg3_init_hw)
744 netif_tx_wake_all_queues(tp
->dev
);
747 tp
->napi
[0].hw_status
->status
|= SD_STATUS_UPDATED
;
751 static void tg3_switch_clocks(struct tg3
*tp
)
756 if ((tp
->tg3_flags
& TG3_FLAG_CPMU_PRESENT
) ||
757 (tp
->tg3_flags2
& TG3_FLG2_5780_CLASS
))
760 clock_ctrl
= tr32(TG3PCI_CLOCK_CTRL
);
762 orig_clock_ctrl
= clock_ctrl
;
763 clock_ctrl
&= (CLOCK_CTRL_FORCE_CLKRUN
|
764 CLOCK_CTRL_CLKRUN_OENABLE
|
766 tp
->pci_clock_ctrl
= clock_ctrl
;
768 if (tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
) {
769 if (orig_clock_ctrl
& CLOCK_CTRL_625_CORE
) {
770 tw32_wait_f(TG3PCI_CLOCK_CTRL
,
771 clock_ctrl
| CLOCK_CTRL_625_CORE
, 40);
773 } else if ((orig_clock_ctrl
& CLOCK_CTRL_44MHZ_CORE
) != 0) {
774 tw32_wait_f(TG3PCI_CLOCK_CTRL
,
776 (CLOCK_CTRL_44MHZ_CORE
| CLOCK_CTRL_ALTCLK
),
778 tw32_wait_f(TG3PCI_CLOCK_CTRL
,
779 clock_ctrl
| (CLOCK_CTRL_ALTCLK
),
782 tw32_wait_f(TG3PCI_CLOCK_CTRL
, clock_ctrl
, 40);
785 #define PHY_BUSY_LOOPS 5000
787 static int tg3_readphy(struct tg3
*tp
, int reg
, u32
*val
)
793 if ((tp
->mi_mode
& MAC_MI_MODE_AUTO_POLL
) != 0) {
795 (tp
->mi_mode
& ~MAC_MI_MODE_AUTO_POLL
));
801 frame_val
= ((tp
->phy_addr
<< MI_COM_PHY_ADDR_SHIFT
) &
802 MI_COM_PHY_ADDR_MASK
);
803 frame_val
|= ((reg
<< MI_COM_REG_ADDR_SHIFT
) &
804 MI_COM_REG_ADDR_MASK
);
805 frame_val
|= (MI_COM_CMD_READ
| MI_COM_START
);
807 tw32_f(MAC_MI_COM
, frame_val
);
809 loops
= PHY_BUSY_LOOPS
;
812 frame_val
= tr32(MAC_MI_COM
);
814 if ((frame_val
& MI_COM_BUSY
) == 0) {
816 frame_val
= tr32(MAC_MI_COM
);
824 *val
= frame_val
& MI_COM_DATA_MASK
;
828 if ((tp
->mi_mode
& MAC_MI_MODE_AUTO_POLL
) != 0) {
829 tw32_f(MAC_MI_MODE
, tp
->mi_mode
);
836 static int tg3_writephy(struct tg3
*tp
, int reg
, u32 val
)
842 if ((tp
->tg3_flags3
& TG3_FLG3_PHY_IS_FET
) &&
843 (reg
== MII_TG3_CTRL
|| reg
== MII_TG3_AUX_CTRL
))
846 if ((tp
->mi_mode
& MAC_MI_MODE_AUTO_POLL
) != 0) {
848 (tp
->mi_mode
& ~MAC_MI_MODE_AUTO_POLL
));
852 frame_val
= ((tp
->phy_addr
<< MI_COM_PHY_ADDR_SHIFT
) &
853 MI_COM_PHY_ADDR_MASK
);
854 frame_val
|= ((reg
<< MI_COM_REG_ADDR_SHIFT
) &
855 MI_COM_REG_ADDR_MASK
);
856 frame_val
|= (val
& MI_COM_DATA_MASK
);
857 frame_val
|= (MI_COM_CMD_WRITE
| MI_COM_START
);
859 tw32_f(MAC_MI_COM
, frame_val
);
861 loops
= PHY_BUSY_LOOPS
;
864 frame_val
= tr32(MAC_MI_COM
);
865 if ((frame_val
& MI_COM_BUSY
) == 0) {
867 frame_val
= tr32(MAC_MI_COM
);
877 if ((tp
->mi_mode
& MAC_MI_MODE_AUTO_POLL
) != 0) {
878 tw32_f(MAC_MI_MODE
, tp
->mi_mode
);
885 static int tg3_bmcr_reset(struct tg3
*tp
)
890 /* OK, reset it, and poll the BMCR_RESET bit until it
891 * clears or we time out.
893 phy_control
= BMCR_RESET
;
894 err
= tg3_writephy(tp
, MII_BMCR
, phy_control
);
900 err
= tg3_readphy(tp
, MII_BMCR
, &phy_control
);
904 if ((phy_control
& BMCR_RESET
) == 0) {
916 static int tg3_mdio_read(struct mii_bus
*bp
, int mii_id
, int reg
)
918 struct tg3
*tp
= bp
->priv
;
921 spin_lock_bh(&tp
->lock
);
923 if (tg3_readphy(tp
, reg
, &val
))
926 spin_unlock_bh(&tp
->lock
);
931 static int tg3_mdio_write(struct mii_bus
*bp
, int mii_id
, int reg
, u16 val
)
933 struct tg3
*tp
= bp
->priv
;
936 spin_lock_bh(&tp
->lock
);
938 if (tg3_writephy(tp
, reg
, val
))
941 spin_unlock_bh(&tp
->lock
);
946 static int tg3_mdio_reset(struct mii_bus
*bp
)
951 static void tg3_mdio_config_5785(struct tg3
*tp
)
954 struct phy_device
*phydev
;
956 phydev
= tp
->mdio_bus
->phy_map
[TG3_PHY_MII_ADDR
];
957 switch (phydev
->drv
->phy_id
& phydev
->drv
->phy_id_mask
) {
958 case TG3_PHY_ID_BCM50610
:
959 case TG3_PHY_ID_BCM50610M
:
960 val
= MAC_PHYCFG2_50610_LED_MODES
;
962 case TG3_PHY_ID_BCMAC131
:
963 val
= MAC_PHYCFG2_AC131_LED_MODES
;
965 case TG3_PHY_ID_RTL8211C
:
966 val
= MAC_PHYCFG2_RTL8211C_LED_MODES
;
968 case TG3_PHY_ID_RTL8201E
:
969 val
= MAC_PHYCFG2_RTL8201E_LED_MODES
;
975 if (phydev
->interface
!= PHY_INTERFACE_MODE_RGMII
) {
976 tw32(MAC_PHYCFG2
, val
);
978 val
= tr32(MAC_PHYCFG1
);
979 val
&= ~(MAC_PHYCFG1_RGMII_INT
|
980 MAC_PHYCFG1_RXCLK_TO_MASK
| MAC_PHYCFG1_TXCLK_TO_MASK
);
981 val
|= MAC_PHYCFG1_RXCLK_TIMEOUT
| MAC_PHYCFG1_TXCLK_TIMEOUT
;
982 tw32(MAC_PHYCFG1
, val
);
987 if (!(tp
->tg3_flags3
& TG3_FLG3_RGMII_STD_IBND_DISABLE
))
988 val
|= MAC_PHYCFG2_EMODE_MASK_MASK
|
989 MAC_PHYCFG2_FMODE_MASK_MASK
|
990 MAC_PHYCFG2_GMODE_MASK_MASK
|
991 MAC_PHYCFG2_ACT_MASK_MASK
|
992 MAC_PHYCFG2_QUAL_MASK_MASK
|
993 MAC_PHYCFG2_INBAND_ENABLE
;
995 tw32(MAC_PHYCFG2
, val
);
997 val
= tr32(MAC_PHYCFG1
);
998 val
&= ~(MAC_PHYCFG1_RXCLK_TO_MASK
| MAC_PHYCFG1_TXCLK_TO_MASK
|
999 MAC_PHYCFG1_RGMII_EXT_RX_DEC
| MAC_PHYCFG1_RGMII_SND_STAT_EN
);
1000 if (!(tp
->tg3_flags3
& TG3_FLG3_RGMII_STD_IBND_DISABLE
)) {
1001 if (tp
->tg3_flags3
& TG3_FLG3_RGMII_EXT_IBND_RX_EN
)
1002 val
|= MAC_PHYCFG1_RGMII_EXT_RX_DEC
;
1003 if (tp
->tg3_flags3
& TG3_FLG3_RGMII_EXT_IBND_TX_EN
)
1004 val
|= MAC_PHYCFG1_RGMII_SND_STAT_EN
;
1006 val
|= MAC_PHYCFG1_RXCLK_TIMEOUT
| MAC_PHYCFG1_TXCLK_TIMEOUT
|
1007 MAC_PHYCFG1_RGMII_INT
| MAC_PHYCFG1_TXC_DRV
;
1008 tw32(MAC_PHYCFG1
, val
);
1010 val
= tr32(MAC_EXT_RGMII_MODE
);
1011 val
&= ~(MAC_RGMII_MODE_RX_INT_B
|
1012 MAC_RGMII_MODE_RX_QUALITY
|
1013 MAC_RGMII_MODE_RX_ACTIVITY
|
1014 MAC_RGMII_MODE_RX_ENG_DET
|
1015 MAC_RGMII_MODE_TX_ENABLE
|
1016 MAC_RGMII_MODE_TX_LOWPWR
|
1017 MAC_RGMII_MODE_TX_RESET
);
1018 if (!(tp
->tg3_flags3
& TG3_FLG3_RGMII_STD_IBND_DISABLE
)) {
1019 if (tp
->tg3_flags3
& TG3_FLG3_RGMII_EXT_IBND_RX_EN
)
1020 val
|= MAC_RGMII_MODE_RX_INT_B
|
1021 MAC_RGMII_MODE_RX_QUALITY
|
1022 MAC_RGMII_MODE_RX_ACTIVITY
|
1023 MAC_RGMII_MODE_RX_ENG_DET
;
1024 if (tp
->tg3_flags3
& TG3_FLG3_RGMII_EXT_IBND_TX_EN
)
1025 val
|= MAC_RGMII_MODE_TX_ENABLE
|
1026 MAC_RGMII_MODE_TX_LOWPWR
|
1027 MAC_RGMII_MODE_TX_RESET
;
1029 tw32(MAC_EXT_RGMII_MODE
, val
);
1032 static void tg3_mdio_start(struct tg3
*tp
)
1034 tp
->mi_mode
&= ~MAC_MI_MODE_AUTO_POLL
;
1035 tw32_f(MAC_MI_MODE
, tp
->mi_mode
);
1038 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
) {
1039 u32 funcnum
, is_serdes
;
1041 funcnum
= tr32(TG3_CPMU_STATUS
) & TG3_CPMU_STATUS_PCIE_FUNC
;
1047 if (tp
->pci_chip_rev_id
!= CHIPREV_ID_5717_A0
)
1048 is_serdes
= tr32(SG_DIG_STATUS
) & SG_DIG_IS_SERDES
;
1050 is_serdes
= tr32(TG3_CPMU_PHY_STRAP
) &
1051 TG3_CPMU_PHY_STRAP_IS_SERDES
;
1055 tp
->phy_addr
= TG3_PHY_MII_ADDR
;
1057 if ((tp
->tg3_flags3
& TG3_FLG3_MDIOBUS_INITED
) &&
1058 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5785
)
1059 tg3_mdio_config_5785(tp
);
1062 static int tg3_mdio_init(struct tg3
*tp
)
1066 struct phy_device
*phydev
;
1070 if (!(tp
->tg3_flags3
& TG3_FLG3_USE_PHYLIB
) ||
1071 (tp
->tg3_flags3
& TG3_FLG3_MDIOBUS_INITED
))
1074 tp
->mdio_bus
= mdiobus_alloc();
1075 if (tp
->mdio_bus
== NULL
)
1078 tp
->mdio_bus
->name
= "tg3 mdio bus";
1079 snprintf(tp
->mdio_bus
->id
, MII_BUS_ID_SIZE
, "%x",
1080 (tp
->pdev
->bus
->number
<< 8) | tp
->pdev
->devfn
);
1081 tp
->mdio_bus
->priv
= tp
;
1082 tp
->mdio_bus
->parent
= &tp
->pdev
->dev
;
1083 tp
->mdio_bus
->read
= &tg3_mdio_read
;
1084 tp
->mdio_bus
->write
= &tg3_mdio_write
;
1085 tp
->mdio_bus
->reset
= &tg3_mdio_reset
;
1086 tp
->mdio_bus
->phy_mask
= ~(1 << TG3_PHY_MII_ADDR
);
1087 tp
->mdio_bus
->irq
= &tp
->mdio_irq
[0];
1089 for (i
= 0; i
< PHY_MAX_ADDR
; i
++)
1090 tp
->mdio_bus
->irq
[i
] = PHY_POLL
;
1092 /* The bus registration will look for all the PHYs on the mdio bus.
1093 * Unfortunately, it does not ensure the PHY is powered up before
1094 * accessing the PHY ID registers. A chip reset is the
1095 * quickest way to bring the device back to an operational state..
1097 if (tg3_readphy(tp
, MII_BMCR
, ®
) || (reg
& BMCR_PDOWN
))
1100 i
= mdiobus_register(tp
->mdio_bus
);
1102 printk(KERN_WARNING
"%s: mdiobus_reg failed (0x%x)\n",
1104 mdiobus_free(tp
->mdio_bus
);
1108 phydev
= tp
->mdio_bus
->phy_map
[TG3_PHY_MII_ADDR
];
1110 if (!phydev
|| !phydev
->drv
) {
1111 printk(KERN_WARNING
"%s: No PHY devices\n", tp
->dev
->name
);
1112 mdiobus_unregister(tp
->mdio_bus
);
1113 mdiobus_free(tp
->mdio_bus
);
1117 switch (phydev
->drv
->phy_id
& phydev
->drv
->phy_id_mask
) {
1118 case TG3_PHY_ID_BCM57780
:
1119 phydev
->interface
= PHY_INTERFACE_MODE_GMII
;
1120 phydev
->dev_flags
|= PHY_BRCM_AUTO_PWRDWN_ENABLE
;
1122 case TG3_PHY_ID_BCM50610
:
1123 case TG3_PHY_ID_BCM50610M
:
1124 phydev
->dev_flags
|= PHY_BRCM_CLEAR_RGMII_MODE
|
1125 PHY_BRCM_RX_REFCLK_UNUSED
|
1126 PHY_BRCM_DIS_TXCRXC_NOENRGY
|
1127 PHY_BRCM_AUTO_PWRDWN_ENABLE
;
1128 if (tp
->tg3_flags3
& TG3_FLG3_RGMII_STD_IBND_DISABLE
)
1129 phydev
->dev_flags
|= PHY_BRCM_STD_IBND_DISABLE
;
1130 if (tp
->tg3_flags3
& TG3_FLG3_RGMII_EXT_IBND_RX_EN
)
1131 phydev
->dev_flags
|= PHY_BRCM_EXT_IBND_RX_ENABLE
;
1132 if (tp
->tg3_flags3
& TG3_FLG3_RGMII_EXT_IBND_TX_EN
)
1133 phydev
->dev_flags
|= PHY_BRCM_EXT_IBND_TX_ENABLE
;
1135 case TG3_PHY_ID_RTL8211C
:
1136 phydev
->interface
= PHY_INTERFACE_MODE_RGMII
;
1138 case TG3_PHY_ID_RTL8201E
:
1139 case TG3_PHY_ID_BCMAC131
:
1140 phydev
->interface
= PHY_INTERFACE_MODE_MII
;
1141 phydev
->dev_flags
|= PHY_BRCM_AUTO_PWRDWN_ENABLE
;
1142 tp
->tg3_flags3
|= TG3_FLG3_PHY_IS_FET
;
1146 tp
->tg3_flags3
|= TG3_FLG3_MDIOBUS_INITED
;
1148 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5785
)
1149 tg3_mdio_config_5785(tp
);
1154 static void tg3_mdio_fini(struct tg3
*tp
)
1156 if (tp
->tg3_flags3
& TG3_FLG3_MDIOBUS_INITED
) {
1157 tp
->tg3_flags3
&= ~TG3_FLG3_MDIOBUS_INITED
;
1158 mdiobus_unregister(tp
->mdio_bus
);
1159 mdiobus_free(tp
->mdio_bus
);
1163 /* tp->lock is held. */
1164 static inline void tg3_generate_fw_event(struct tg3
*tp
)
1168 val
= tr32(GRC_RX_CPU_EVENT
);
1169 val
|= GRC_RX_CPU_DRIVER_EVENT
;
1170 tw32_f(GRC_RX_CPU_EVENT
, val
);
1172 tp
->last_event_jiffies
= jiffies
;
1175 #define TG3_FW_EVENT_TIMEOUT_USEC 2500
1177 /* tp->lock is held. */
1178 static void tg3_wait_for_event_ack(struct tg3
*tp
)
1181 unsigned int delay_cnt
;
1184 /* If enough time has passed, no wait is necessary. */
1185 time_remain
= (long)(tp
->last_event_jiffies
+ 1 +
1186 usecs_to_jiffies(TG3_FW_EVENT_TIMEOUT_USEC
)) -
1188 if (time_remain
< 0)
1191 /* Check if we can shorten the wait time. */
1192 delay_cnt
= jiffies_to_usecs(time_remain
);
1193 if (delay_cnt
> TG3_FW_EVENT_TIMEOUT_USEC
)
1194 delay_cnt
= TG3_FW_EVENT_TIMEOUT_USEC
;
1195 delay_cnt
= (delay_cnt
>> 3) + 1;
1197 for (i
= 0; i
< delay_cnt
; i
++) {
1198 if (!(tr32(GRC_RX_CPU_EVENT
) & GRC_RX_CPU_DRIVER_EVENT
))
1204 /* tp->lock is held. */
1205 static void tg3_ump_link_report(struct tg3
*tp
)
1210 if (!(tp
->tg3_flags2
& TG3_FLG2_5780_CLASS
) ||
1211 !(tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
))
1214 tg3_wait_for_event_ack(tp
);
1216 tg3_write_mem(tp
, NIC_SRAM_FW_CMD_MBOX
, FWCMD_NICDRV_LINK_UPDATE
);
1218 tg3_write_mem(tp
, NIC_SRAM_FW_CMD_LEN_MBOX
, 14);
1221 if (!tg3_readphy(tp
, MII_BMCR
, ®
))
1223 if (!tg3_readphy(tp
, MII_BMSR
, ®
))
1224 val
|= (reg
& 0xffff);
1225 tg3_write_mem(tp
, NIC_SRAM_FW_CMD_DATA_MBOX
, val
);
1228 if (!tg3_readphy(tp
, MII_ADVERTISE
, ®
))
1230 if (!tg3_readphy(tp
, MII_LPA
, ®
))
1231 val
|= (reg
& 0xffff);
1232 tg3_write_mem(tp
, NIC_SRAM_FW_CMD_DATA_MBOX
+ 4, val
);
1235 if (!(tp
->tg3_flags2
& TG3_FLG2_MII_SERDES
)) {
1236 if (!tg3_readphy(tp
, MII_CTRL1000
, ®
))
1238 if (!tg3_readphy(tp
, MII_STAT1000
, ®
))
1239 val
|= (reg
& 0xffff);
1241 tg3_write_mem(tp
, NIC_SRAM_FW_CMD_DATA_MBOX
+ 8, val
);
1243 if (!tg3_readphy(tp
, MII_PHYADDR
, ®
))
1247 tg3_write_mem(tp
, NIC_SRAM_FW_CMD_DATA_MBOX
+ 12, val
);
1249 tg3_generate_fw_event(tp
);
1252 static void tg3_link_report(struct tg3
*tp
)
1254 if (!netif_carrier_ok(tp
->dev
)) {
1255 if (netif_msg_link(tp
))
1256 printk(KERN_INFO PFX
"%s: Link is down.\n",
1258 tg3_ump_link_report(tp
);
1259 } else if (netif_msg_link(tp
)) {
1260 printk(KERN_INFO PFX
"%s: Link is up at %d Mbps, %s duplex.\n",
1262 (tp
->link_config
.active_speed
== SPEED_1000
?
1264 (tp
->link_config
.active_speed
== SPEED_100
?
1266 (tp
->link_config
.active_duplex
== DUPLEX_FULL
?
1269 printk(KERN_INFO PFX
1270 "%s: Flow control is %s for TX and %s for RX.\n",
1272 (tp
->link_config
.active_flowctrl
& FLOW_CTRL_TX
) ?
1274 (tp
->link_config
.active_flowctrl
& FLOW_CTRL_RX
) ?
1276 tg3_ump_link_report(tp
);
1280 static u16
tg3_advert_flowctrl_1000T(u8 flow_ctrl
)
1284 if ((flow_ctrl
& FLOW_CTRL_TX
) && (flow_ctrl
& FLOW_CTRL_RX
))
1285 miireg
= ADVERTISE_PAUSE_CAP
;
1286 else if (flow_ctrl
& FLOW_CTRL_TX
)
1287 miireg
= ADVERTISE_PAUSE_ASYM
;
1288 else if (flow_ctrl
& FLOW_CTRL_RX
)
1289 miireg
= ADVERTISE_PAUSE_CAP
| ADVERTISE_PAUSE_ASYM
;
1296 static u16
tg3_advert_flowctrl_1000X(u8 flow_ctrl
)
1300 if ((flow_ctrl
& FLOW_CTRL_TX
) && (flow_ctrl
& FLOW_CTRL_RX
))
1301 miireg
= ADVERTISE_1000XPAUSE
;
1302 else if (flow_ctrl
& FLOW_CTRL_TX
)
1303 miireg
= ADVERTISE_1000XPSE_ASYM
;
1304 else if (flow_ctrl
& FLOW_CTRL_RX
)
1305 miireg
= ADVERTISE_1000XPAUSE
| ADVERTISE_1000XPSE_ASYM
;
1312 static u8
tg3_resolve_flowctrl_1000X(u16 lcladv
, u16 rmtadv
)
1316 if (lcladv
& ADVERTISE_1000XPAUSE
) {
1317 if (lcladv
& ADVERTISE_1000XPSE_ASYM
) {
1318 if (rmtadv
& LPA_1000XPAUSE
)
1319 cap
= FLOW_CTRL_TX
| FLOW_CTRL_RX
;
1320 else if (rmtadv
& LPA_1000XPAUSE_ASYM
)
1323 if (rmtadv
& LPA_1000XPAUSE
)
1324 cap
= FLOW_CTRL_TX
| FLOW_CTRL_RX
;
1326 } else if (lcladv
& ADVERTISE_1000XPSE_ASYM
) {
1327 if ((rmtadv
& LPA_1000XPAUSE
) && (rmtadv
& LPA_1000XPAUSE_ASYM
))
1334 static void tg3_setup_flow_control(struct tg3
*tp
, u32 lcladv
, u32 rmtadv
)
1338 u32 old_rx_mode
= tp
->rx_mode
;
1339 u32 old_tx_mode
= tp
->tx_mode
;
1341 if (tp
->tg3_flags3
& TG3_FLG3_USE_PHYLIB
)
1342 autoneg
= tp
->mdio_bus
->phy_map
[TG3_PHY_MII_ADDR
]->autoneg
;
1344 autoneg
= tp
->link_config
.autoneg
;
1346 if (autoneg
== AUTONEG_ENABLE
&&
1347 (tp
->tg3_flags
& TG3_FLAG_PAUSE_AUTONEG
)) {
1348 if (tp
->tg3_flags2
& TG3_FLG2_ANY_SERDES
)
1349 flowctrl
= tg3_resolve_flowctrl_1000X(lcladv
, rmtadv
);
1351 flowctrl
= mii_resolve_flowctrl_fdx(lcladv
, rmtadv
);
1353 flowctrl
= tp
->link_config
.flowctrl
;
1355 tp
->link_config
.active_flowctrl
= flowctrl
;
1357 if (flowctrl
& FLOW_CTRL_RX
)
1358 tp
->rx_mode
|= RX_MODE_FLOW_CTRL_ENABLE
;
1360 tp
->rx_mode
&= ~RX_MODE_FLOW_CTRL_ENABLE
;
1362 if (old_rx_mode
!= tp
->rx_mode
)
1363 tw32_f(MAC_RX_MODE
, tp
->rx_mode
);
1365 if (flowctrl
& FLOW_CTRL_TX
)
1366 tp
->tx_mode
|= TX_MODE_FLOW_CTRL_ENABLE
;
1368 tp
->tx_mode
&= ~TX_MODE_FLOW_CTRL_ENABLE
;
1370 if (old_tx_mode
!= tp
->tx_mode
)
1371 tw32_f(MAC_TX_MODE
, tp
->tx_mode
);
1374 static void tg3_adjust_link(struct net_device
*dev
)
1376 u8 oldflowctrl
, linkmesg
= 0;
1377 u32 mac_mode
, lcl_adv
, rmt_adv
;
1378 struct tg3
*tp
= netdev_priv(dev
);
1379 struct phy_device
*phydev
= tp
->mdio_bus
->phy_map
[TG3_PHY_MII_ADDR
];
1381 spin_lock_bh(&tp
->lock
);
1383 mac_mode
= tp
->mac_mode
& ~(MAC_MODE_PORT_MODE_MASK
|
1384 MAC_MODE_HALF_DUPLEX
);
1386 oldflowctrl
= tp
->link_config
.active_flowctrl
;
1392 if (phydev
->speed
== SPEED_100
|| phydev
->speed
== SPEED_10
)
1393 mac_mode
|= MAC_MODE_PORT_MODE_MII
;
1394 else if (phydev
->speed
== SPEED_1000
||
1395 GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5785
)
1396 mac_mode
|= MAC_MODE_PORT_MODE_GMII
;
1398 mac_mode
|= MAC_MODE_PORT_MODE_MII
;
1400 if (phydev
->duplex
== DUPLEX_HALF
)
1401 mac_mode
|= MAC_MODE_HALF_DUPLEX
;
1403 lcl_adv
= tg3_advert_flowctrl_1000T(
1404 tp
->link_config
.flowctrl
);
1407 rmt_adv
= LPA_PAUSE_CAP
;
1408 if (phydev
->asym_pause
)
1409 rmt_adv
|= LPA_PAUSE_ASYM
;
1412 tg3_setup_flow_control(tp
, lcl_adv
, rmt_adv
);
1414 mac_mode
|= MAC_MODE_PORT_MODE_GMII
;
1416 if (mac_mode
!= tp
->mac_mode
) {
1417 tp
->mac_mode
= mac_mode
;
1418 tw32_f(MAC_MODE
, tp
->mac_mode
);
1422 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5785
) {
1423 if (phydev
->speed
== SPEED_10
)
1425 MAC_MI_STAT_10MBPS_MODE
|
1426 MAC_MI_STAT_LNKSTAT_ATTN_ENAB
);
1428 tw32(MAC_MI_STAT
, MAC_MI_STAT_LNKSTAT_ATTN_ENAB
);
1431 if (phydev
->speed
== SPEED_1000
&& phydev
->duplex
== DUPLEX_HALF
)
1432 tw32(MAC_TX_LENGTHS
,
1433 ((2 << TX_LENGTHS_IPG_CRS_SHIFT
) |
1434 (6 << TX_LENGTHS_IPG_SHIFT
) |
1435 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT
)));
1437 tw32(MAC_TX_LENGTHS
,
1438 ((2 << TX_LENGTHS_IPG_CRS_SHIFT
) |
1439 (6 << TX_LENGTHS_IPG_SHIFT
) |
1440 (32 << TX_LENGTHS_SLOT_TIME_SHIFT
)));
1442 if ((phydev
->link
&& tp
->link_config
.active_speed
== SPEED_INVALID
) ||
1443 (!phydev
->link
&& tp
->link_config
.active_speed
!= SPEED_INVALID
) ||
1444 phydev
->speed
!= tp
->link_config
.active_speed
||
1445 phydev
->duplex
!= tp
->link_config
.active_duplex
||
1446 oldflowctrl
!= tp
->link_config
.active_flowctrl
)
1449 tp
->link_config
.active_speed
= phydev
->speed
;
1450 tp
->link_config
.active_duplex
= phydev
->duplex
;
1452 spin_unlock_bh(&tp
->lock
);
1455 tg3_link_report(tp
);
1458 static int tg3_phy_init(struct tg3
*tp
)
1460 struct phy_device
*phydev
;
1462 if (tp
->tg3_flags3
& TG3_FLG3_PHY_CONNECTED
)
1465 /* Bring the PHY back to a known state. */
1468 phydev
= tp
->mdio_bus
->phy_map
[TG3_PHY_MII_ADDR
];
1470 /* Attach the MAC to the PHY. */
1471 phydev
= phy_connect(tp
->dev
, dev_name(&phydev
->dev
), tg3_adjust_link
,
1472 phydev
->dev_flags
, phydev
->interface
);
1473 if (IS_ERR(phydev
)) {
1474 printk(KERN_ERR
"%s: Could not attach to PHY\n", tp
->dev
->name
);
1475 return PTR_ERR(phydev
);
1478 /* Mask with MAC supported features. */
1479 switch (phydev
->interface
) {
1480 case PHY_INTERFACE_MODE_GMII
:
1481 case PHY_INTERFACE_MODE_RGMII
:
1482 if (!(tp
->tg3_flags
& TG3_FLAG_10_100_ONLY
)) {
1483 phydev
->supported
&= (PHY_GBIT_FEATURES
|
1485 SUPPORTED_Asym_Pause
);
1489 case PHY_INTERFACE_MODE_MII
:
1490 phydev
->supported
&= (PHY_BASIC_FEATURES
|
1492 SUPPORTED_Asym_Pause
);
1495 phy_disconnect(tp
->mdio_bus
->phy_map
[TG3_PHY_MII_ADDR
]);
1499 tp
->tg3_flags3
|= TG3_FLG3_PHY_CONNECTED
;
1501 phydev
->advertising
= phydev
->supported
;
1506 static void tg3_phy_start(struct tg3
*tp
)
1508 struct phy_device
*phydev
;
1510 if (!(tp
->tg3_flags3
& TG3_FLG3_PHY_CONNECTED
))
1513 phydev
= tp
->mdio_bus
->phy_map
[TG3_PHY_MII_ADDR
];
1515 if (tp
->link_config
.phy_is_low_power
) {
1516 tp
->link_config
.phy_is_low_power
= 0;
1517 phydev
->speed
= tp
->link_config
.orig_speed
;
1518 phydev
->duplex
= tp
->link_config
.orig_duplex
;
1519 phydev
->autoneg
= tp
->link_config
.orig_autoneg
;
1520 phydev
->advertising
= tp
->link_config
.orig_advertising
;
1525 phy_start_aneg(phydev
);
1528 static void tg3_phy_stop(struct tg3
*tp
)
1530 if (!(tp
->tg3_flags3
& TG3_FLG3_PHY_CONNECTED
))
1533 phy_stop(tp
->mdio_bus
->phy_map
[TG3_PHY_MII_ADDR
]);
1536 static void tg3_phy_fini(struct tg3
*tp
)
1538 if (tp
->tg3_flags3
& TG3_FLG3_PHY_CONNECTED
) {
1539 phy_disconnect(tp
->mdio_bus
->phy_map
[TG3_PHY_MII_ADDR
]);
1540 tp
->tg3_flags3
&= ~TG3_FLG3_PHY_CONNECTED
;
1544 static void tg3_phydsp_write(struct tg3
*tp
, u32 reg
, u32 val
)
1546 tg3_writephy(tp
, MII_TG3_DSP_ADDRESS
, reg
);
1547 tg3_writephy(tp
, MII_TG3_DSP_RW_PORT
, val
);
1550 static void tg3_phy_fet_toggle_apd(struct tg3
*tp
, bool enable
)
1554 if (!tg3_readphy(tp
, MII_TG3_FET_TEST
, &phytest
)) {
1557 tg3_writephy(tp
, MII_TG3_FET_TEST
,
1558 phytest
| MII_TG3_FET_SHADOW_EN
);
1559 if (!tg3_readphy(tp
, MII_TG3_FET_SHDW_AUXSTAT2
, &phy
)) {
1561 phy
|= MII_TG3_FET_SHDW_AUXSTAT2_APD
;
1563 phy
&= ~MII_TG3_FET_SHDW_AUXSTAT2_APD
;
1564 tg3_writephy(tp
, MII_TG3_FET_SHDW_AUXSTAT2
, phy
);
1566 tg3_writephy(tp
, MII_TG3_FET_TEST
, phytest
);
1570 static void tg3_phy_toggle_apd(struct tg3
*tp
, bool enable
)
1574 if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
) ||
1575 (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
&&
1576 (tp
->tg3_flags2
& TG3_FLG2_MII_SERDES
)))
1579 if (tp
->tg3_flags3
& TG3_FLG3_PHY_IS_FET
) {
1580 tg3_phy_fet_toggle_apd(tp
, enable
);
1584 reg
= MII_TG3_MISC_SHDW_WREN
|
1585 MII_TG3_MISC_SHDW_SCR5_SEL
|
1586 MII_TG3_MISC_SHDW_SCR5_LPED
|
1587 MII_TG3_MISC_SHDW_SCR5_DLPTLM
|
1588 MII_TG3_MISC_SHDW_SCR5_SDTL
|
1589 MII_TG3_MISC_SHDW_SCR5_C125OE
;
1590 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5784
|| !enable
)
1591 reg
|= MII_TG3_MISC_SHDW_SCR5_DLLAPD
;
1593 tg3_writephy(tp
, MII_TG3_MISC_SHDW
, reg
);
1596 reg
= MII_TG3_MISC_SHDW_WREN
|
1597 MII_TG3_MISC_SHDW_APD_SEL
|
1598 MII_TG3_MISC_SHDW_APD_WKTM_84MS
;
1600 reg
|= MII_TG3_MISC_SHDW_APD_ENABLE
;
1602 tg3_writephy(tp
, MII_TG3_MISC_SHDW
, reg
);
1605 static void tg3_phy_toggle_automdix(struct tg3
*tp
, int enable
)
1609 if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
) ||
1610 (tp
->tg3_flags2
& TG3_FLG2_ANY_SERDES
))
1613 if (tp
->tg3_flags3
& TG3_FLG3_PHY_IS_FET
) {
1616 if (!tg3_readphy(tp
, MII_TG3_FET_TEST
, &ephy
)) {
1617 u32 reg
= MII_TG3_FET_SHDW_MISCCTRL
;
1619 tg3_writephy(tp
, MII_TG3_FET_TEST
,
1620 ephy
| MII_TG3_FET_SHADOW_EN
);
1621 if (!tg3_readphy(tp
, reg
, &phy
)) {
1623 phy
|= MII_TG3_FET_SHDW_MISCCTRL_MDIX
;
1625 phy
&= ~MII_TG3_FET_SHDW_MISCCTRL_MDIX
;
1626 tg3_writephy(tp
, reg
, phy
);
1628 tg3_writephy(tp
, MII_TG3_FET_TEST
, ephy
);
1631 phy
= MII_TG3_AUXCTL_MISC_RDSEL_MISC
|
1632 MII_TG3_AUXCTL_SHDWSEL_MISC
;
1633 if (!tg3_writephy(tp
, MII_TG3_AUX_CTRL
, phy
) &&
1634 !tg3_readphy(tp
, MII_TG3_AUX_CTRL
, &phy
)) {
1636 phy
|= MII_TG3_AUXCTL_MISC_FORCE_AMDIX
;
1638 phy
&= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX
;
1639 phy
|= MII_TG3_AUXCTL_MISC_WREN
;
1640 tg3_writephy(tp
, MII_TG3_AUX_CTRL
, phy
);
1645 static void tg3_phy_set_wirespeed(struct tg3
*tp
)
1649 if (tp
->tg3_flags2
& TG3_FLG2_NO_ETH_WIRE_SPEED
)
1652 if (!tg3_writephy(tp
, MII_TG3_AUX_CTRL
, 0x7007) &&
1653 !tg3_readphy(tp
, MII_TG3_AUX_CTRL
, &val
))
1654 tg3_writephy(tp
, MII_TG3_AUX_CTRL
,
1655 (val
| (1 << 15) | (1 << 4)));
1658 static void tg3_phy_apply_otp(struct tg3
*tp
)
1667 /* Enable SM_DSP clock and tx 6dB coding. */
1668 phy
= MII_TG3_AUXCTL_SHDWSEL_AUXCTL
|
1669 MII_TG3_AUXCTL_ACTL_SMDSP_ENA
|
1670 MII_TG3_AUXCTL_ACTL_TX_6DB
;
1671 tg3_writephy(tp
, MII_TG3_AUX_CTRL
, phy
);
1673 phy
= ((otp
& TG3_OTP_AGCTGT_MASK
) >> TG3_OTP_AGCTGT_SHIFT
);
1674 phy
|= MII_TG3_DSP_TAP1_AGCTGT_DFLT
;
1675 tg3_phydsp_write(tp
, MII_TG3_DSP_TAP1
, phy
);
1677 phy
= ((otp
& TG3_OTP_HPFFLTR_MASK
) >> TG3_OTP_HPFFLTR_SHIFT
) |
1678 ((otp
& TG3_OTP_HPFOVER_MASK
) >> TG3_OTP_HPFOVER_SHIFT
);
1679 tg3_phydsp_write(tp
, MII_TG3_DSP_AADJ1CH0
, phy
);
1681 phy
= ((otp
& TG3_OTP_LPFDIS_MASK
) >> TG3_OTP_LPFDIS_SHIFT
);
1682 phy
|= MII_TG3_DSP_AADJ1CH3_ADCCKADJ
;
1683 tg3_phydsp_write(tp
, MII_TG3_DSP_AADJ1CH3
, phy
);
1685 phy
= ((otp
& TG3_OTP_VDAC_MASK
) >> TG3_OTP_VDAC_SHIFT
);
1686 tg3_phydsp_write(tp
, MII_TG3_DSP_EXP75
, phy
);
1688 phy
= ((otp
& TG3_OTP_10BTAMP_MASK
) >> TG3_OTP_10BTAMP_SHIFT
);
1689 tg3_phydsp_write(tp
, MII_TG3_DSP_EXP96
, phy
);
1691 phy
= ((otp
& TG3_OTP_ROFF_MASK
) >> TG3_OTP_ROFF_SHIFT
) |
1692 ((otp
& TG3_OTP_RCOFF_MASK
) >> TG3_OTP_RCOFF_SHIFT
);
1693 tg3_phydsp_write(tp
, MII_TG3_DSP_EXP97
, phy
);
1695 /* Turn off SM_DSP clock. */
1696 phy
= MII_TG3_AUXCTL_SHDWSEL_AUXCTL
|
1697 MII_TG3_AUXCTL_ACTL_TX_6DB
;
1698 tg3_writephy(tp
, MII_TG3_AUX_CTRL
, phy
);
1701 static int tg3_wait_macro_done(struct tg3
*tp
)
1708 if (!tg3_readphy(tp
, 0x16, &tmp32
)) {
1709 if ((tmp32
& 0x1000) == 0)
1719 static int tg3_phy_write_and_check_testpat(struct tg3
*tp
, int *resetp
)
1721 static const u32 test_pat
[4][6] = {
1722 { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
1723 { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
1724 { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
1725 { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
1729 for (chan
= 0; chan
< 4; chan
++) {
1732 tg3_writephy(tp
, MII_TG3_DSP_ADDRESS
,
1733 (chan
* 0x2000) | 0x0200);
1734 tg3_writephy(tp
, 0x16, 0x0002);
1736 for (i
= 0; i
< 6; i
++)
1737 tg3_writephy(tp
, MII_TG3_DSP_RW_PORT
,
1740 tg3_writephy(tp
, 0x16, 0x0202);
1741 if (tg3_wait_macro_done(tp
)) {
1746 tg3_writephy(tp
, MII_TG3_DSP_ADDRESS
,
1747 (chan
* 0x2000) | 0x0200);
1748 tg3_writephy(tp
, 0x16, 0x0082);
1749 if (tg3_wait_macro_done(tp
)) {
1754 tg3_writephy(tp
, 0x16, 0x0802);
1755 if (tg3_wait_macro_done(tp
)) {
1760 for (i
= 0; i
< 6; i
+= 2) {
1763 if (tg3_readphy(tp
, MII_TG3_DSP_RW_PORT
, &low
) ||
1764 tg3_readphy(tp
, MII_TG3_DSP_RW_PORT
, &high
) ||
1765 tg3_wait_macro_done(tp
)) {
1771 if (low
!= test_pat
[chan
][i
] ||
1772 high
!= test_pat
[chan
][i
+1]) {
1773 tg3_writephy(tp
, MII_TG3_DSP_ADDRESS
, 0x000b);
1774 tg3_writephy(tp
, MII_TG3_DSP_RW_PORT
, 0x4001);
1775 tg3_writephy(tp
, MII_TG3_DSP_RW_PORT
, 0x4005);
1785 static int tg3_phy_reset_chanpat(struct tg3
*tp
)
1789 for (chan
= 0; chan
< 4; chan
++) {
1792 tg3_writephy(tp
, MII_TG3_DSP_ADDRESS
,
1793 (chan
* 0x2000) | 0x0200);
1794 tg3_writephy(tp
, 0x16, 0x0002);
1795 for (i
= 0; i
< 6; i
++)
1796 tg3_writephy(tp
, MII_TG3_DSP_RW_PORT
, 0x000);
1797 tg3_writephy(tp
, 0x16, 0x0202);
1798 if (tg3_wait_macro_done(tp
))
1805 static int tg3_phy_reset_5703_4_5(struct tg3
*tp
)
1807 u32 reg32
, phy9_orig
;
1808 int retries
, do_phy_reset
, err
;
1814 err
= tg3_bmcr_reset(tp
);
1820 /* Disable transmitter and interrupt. */
1821 if (tg3_readphy(tp
, MII_TG3_EXT_CTRL
, ®32
))
1825 tg3_writephy(tp
, MII_TG3_EXT_CTRL
, reg32
);
1827 /* Set full-duplex, 1000 mbps. */
1828 tg3_writephy(tp
, MII_BMCR
,
1829 BMCR_FULLDPLX
| TG3_BMCR_SPEED1000
);
1831 /* Set to master mode. */
1832 if (tg3_readphy(tp
, MII_TG3_CTRL
, &phy9_orig
))
1835 tg3_writephy(tp
, MII_TG3_CTRL
,
1836 (MII_TG3_CTRL_AS_MASTER
|
1837 MII_TG3_CTRL_ENABLE_AS_MASTER
));
1839 /* Enable SM_DSP_CLOCK and 6dB. */
1840 tg3_writephy(tp
, MII_TG3_AUX_CTRL
, 0x0c00);
1842 /* Block the PHY control access. */
1843 tg3_writephy(tp
, MII_TG3_DSP_ADDRESS
, 0x8005);
1844 tg3_writephy(tp
, MII_TG3_DSP_RW_PORT
, 0x0800);
1846 err
= tg3_phy_write_and_check_testpat(tp
, &do_phy_reset
);
1849 } while (--retries
);
1851 err
= tg3_phy_reset_chanpat(tp
);
1855 tg3_writephy(tp
, MII_TG3_DSP_ADDRESS
, 0x8005);
1856 tg3_writephy(tp
, MII_TG3_DSP_RW_PORT
, 0x0000);
1858 tg3_writephy(tp
, MII_TG3_DSP_ADDRESS
, 0x8200);
1859 tg3_writephy(tp
, 0x16, 0x0000);
1861 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5703
||
1862 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5704
) {
1863 /* Set Extended packet length bit for jumbo frames */
1864 tg3_writephy(tp
, MII_TG3_AUX_CTRL
, 0x4400);
1867 tg3_writephy(tp
, MII_TG3_AUX_CTRL
, 0x0400);
1870 tg3_writephy(tp
, MII_TG3_CTRL
, phy9_orig
);
1872 if (!tg3_readphy(tp
, MII_TG3_EXT_CTRL
, ®32
)) {
1874 tg3_writephy(tp
, MII_TG3_EXT_CTRL
, reg32
);
1881 /* This will reset the tigon3 PHY if there is no valid
1882 * link unless the FORCE argument is non-zero.
1884 static int tg3_phy_reset(struct tg3
*tp
)
1890 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
) {
1893 val
= tr32(GRC_MISC_CFG
);
1894 tw32_f(GRC_MISC_CFG
, val
& ~GRC_MISC_CFG_EPHY_IDDQ
);
1897 err
= tg3_readphy(tp
, MII_BMSR
, &phy_status
);
1898 err
|= tg3_readphy(tp
, MII_BMSR
, &phy_status
);
1902 if (netif_running(tp
->dev
) && netif_carrier_ok(tp
->dev
)) {
1903 netif_carrier_off(tp
->dev
);
1904 tg3_link_report(tp
);
1907 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5703
||
1908 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5704
||
1909 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5705
) {
1910 err
= tg3_phy_reset_5703_4_5(tp
);
1917 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5784
&&
1918 GET_CHIP_REV(tp
->pci_chip_rev_id
) != CHIPREV_5784_AX
) {
1919 cpmuctrl
= tr32(TG3_CPMU_CTRL
);
1920 if (cpmuctrl
& CPMU_CTRL_GPHY_10MB_RXONLY
)
1922 cpmuctrl
& ~CPMU_CTRL_GPHY_10MB_RXONLY
);
1925 err
= tg3_bmcr_reset(tp
);
1929 if (cpmuctrl
& CPMU_CTRL_GPHY_10MB_RXONLY
) {
1932 phy
= MII_TG3_DSP_EXP8_AEDW
| MII_TG3_DSP_EXP8_REJ2MHz
;
1933 tg3_phydsp_write(tp
, MII_TG3_DSP_EXP8
, phy
);
1935 tw32(TG3_CPMU_CTRL
, cpmuctrl
);
1938 if (GET_CHIP_REV(tp
->pci_chip_rev_id
) == CHIPREV_5784_AX
||
1939 GET_CHIP_REV(tp
->pci_chip_rev_id
) == CHIPREV_5761_AX
) {
1942 val
= tr32(TG3_CPMU_LSPD_1000MB_CLK
);
1943 if ((val
& CPMU_LSPD_1000MB_MACCLK_MASK
) ==
1944 CPMU_LSPD_1000MB_MACCLK_12_5
) {
1945 val
&= ~CPMU_LSPD_1000MB_MACCLK_MASK
;
1947 tw32_f(TG3_CPMU_LSPD_1000MB_CLK
, val
);
1951 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
&&
1952 (tp
->tg3_flags2
& TG3_FLG2_MII_SERDES
))
1955 tg3_phy_apply_otp(tp
);
1957 if (tp
->tg3_flags3
& TG3_FLG3_PHY_ENABLE_APD
)
1958 tg3_phy_toggle_apd(tp
, true);
1960 tg3_phy_toggle_apd(tp
, false);
1963 if (tp
->tg3_flags2
& TG3_FLG2_PHY_ADC_BUG
) {
1964 tg3_writephy(tp
, MII_TG3_AUX_CTRL
, 0x0c00);
1965 tg3_writephy(tp
, MII_TG3_DSP_ADDRESS
, 0x201f);
1966 tg3_writephy(tp
, MII_TG3_DSP_RW_PORT
, 0x2aaa);
1967 tg3_writephy(tp
, MII_TG3_DSP_ADDRESS
, 0x000a);
1968 tg3_writephy(tp
, MII_TG3_DSP_RW_PORT
, 0x0323);
1969 tg3_writephy(tp
, MII_TG3_AUX_CTRL
, 0x0400);
1971 if (tp
->tg3_flags2
& TG3_FLG2_PHY_5704_A0_BUG
) {
1972 tg3_writephy(tp
, 0x1c, 0x8d68);
1973 tg3_writephy(tp
, 0x1c, 0x8d68);
1975 if (tp
->tg3_flags2
& TG3_FLG2_PHY_BER_BUG
) {
1976 tg3_writephy(tp
, MII_TG3_AUX_CTRL
, 0x0c00);
1977 tg3_writephy(tp
, MII_TG3_DSP_ADDRESS
, 0x000a);
1978 tg3_writephy(tp
, MII_TG3_DSP_RW_PORT
, 0x310b);
1979 tg3_writephy(tp
, MII_TG3_DSP_ADDRESS
, 0x201f);
1980 tg3_writephy(tp
, MII_TG3_DSP_RW_PORT
, 0x9506);
1981 tg3_writephy(tp
, MII_TG3_DSP_ADDRESS
, 0x401f);
1982 tg3_writephy(tp
, MII_TG3_DSP_RW_PORT
, 0x14e2);
1983 tg3_writephy(tp
, MII_TG3_AUX_CTRL
, 0x0400);
1985 else if (tp
->tg3_flags2
& TG3_FLG2_PHY_JITTER_BUG
) {
1986 tg3_writephy(tp
, MII_TG3_AUX_CTRL
, 0x0c00);
1987 tg3_writephy(tp
, MII_TG3_DSP_ADDRESS
, 0x000a);
1988 if (tp
->tg3_flags2
& TG3_FLG2_PHY_ADJUST_TRIM
) {
1989 tg3_writephy(tp
, MII_TG3_DSP_RW_PORT
, 0x110b);
1990 tg3_writephy(tp
, MII_TG3_TEST1
,
1991 MII_TG3_TEST1_TRIM_EN
| 0x4);
1993 tg3_writephy(tp
, MII_TG3_DSP_RW_PORT
, 0x010b);
1994 tg3_writephy(tp
, MII_TG3_AUX_CTRL
, 0x0400);
1996 /* Set Extended packet length bit (bit 14) on all chips that */
1997 /* support jumbo frames */
1998 if ((tp
->phy_id
& PHY_ID_MASK
) == PHY_ID_BCM5401
) {
1999 /* Cannot do read-modify-write on 5401 */
2000 tg3_writephy(tp
, MII_TG3_AUX_CTRL
, 0x4c20);
2001 } else if (tp
->tg3_flags
& TG3_FLAG_JUMBO_CAPABLE
) {
2004 /* Set bit 14 with read-modify-write to preserve other bits */
2005 if (!tg3_writephy(tp
, MII_TG3_AUX_CTRL
, 0x0007) &&
2006 !tg3_readphy(tp
, MII_TG3_AUX_CTRL
, &phy_reg
))
2007 tg3_writephy(tp
, MII_TG3_AUX_CTRL
, phy_reg
| 0x4000);
2010 /* Set phy register 0x10 bit 0 to high fifo elasticity to support
2011 * jumbo frames transmission.
2013 if (tp
->tg3_flags
& TG3_FLAG_JUMBO_CAPABLE
) {
2016 if (!tg3_readphy(tp
, MII_TG3_EXT_CTRL
, &phy_reg
))
2017 tg3_writephy(tp
, MII_TG3_EXT_CTRL
,
2018 phy_reg
| MII_TG3_EXT_CTRL_FIFO_ELASTIC
);
2021 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
) {
2022 /* adjust output voltage */
2023 tg3_writephy(tp
, MII_TG3_FET_PTEST
, 0x12);
2026 tg3_phy_toggle_automdix(tp
, 1);
2027 tg3_phy_set_wirespeed(tp
);
2031 static void tg3_frob_aux_power(struct tg3
*tp
)
2033 struct tg3
*tp_peer
= tp
;
2035 /* The GPIOs do something completely different on 57765. */
2036 if ((tp
->tg3_flags2
& TG3_FLG2_IS_NIC
) == 0 ||
2037 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
)
2040 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5704
||
2041 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5714
||
2042 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
) {
2043 struct net_device
*dev_peer
;
2045 dev_peer
= pci_get_drvdata(tp
->pdev_peer
);
2046 /* remove_one() may have been run on the peer. */
2050 tp_peer
= netdev_priv(dev_peer
);
2053 if ((tp
->tg3_flags
& TG3_FLAG_WOL_ENABLE
) != 0 ||
2054 (tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
) != 0 ||
2055 (tp_peer
->tg3_flags
& TG3_FLAG_WOL_ENABLE
) != 0 ||
2056 (tp_peer
->tg3_flags
& TG3_FLAG_ENABLE_ASF
) != 0) {
2057 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5700
||
2058 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5701
) {
2059 tw32_wait_f(GRC_LOCAL_CTRL
, tp
->grc_local_ctrl
|
2060 (GRC_LCLCTRL_GPIO_OE0
|
2061 GRC_LCLCTRL_GPIO_OE1
|
2062 GRC_LCLCTRL_GPIO_OE2
|
2063 GRC_LCLCTRL_GPIO_OUTPUT0
|
2064 GRC_LCLCTRL_GPIO_OUTPUT1
),
2066 } else if (tp
->pdev
->device
== PCI_DEVICE_ID_TIGON3_5761
||
2067 tp
->pdev
->device
== TG3PCI_DEVICE_TIGON3_5761S
) {
2068 /* The 5761 non-e device swaps GPIO 0 and GPIO 2. */
2069 u32 grc_local_ctrl
= GRC_LCLCTRL_GPIO_OE0
|
2070 GRC_LCLCTRL_GPIO_OE1
|
2071 GRC_LCLCTRL_GPIO_OE2
|
2072 GRC_LCLCTRL_GPIO_OUTPUT0
|
2073 GRC_LCLCTRL_GPIO_OUTPUT1
|
2075 tw32_wait_f(GRC_LOCAL_CTRL
, grc_local_ctrl
, 100);
2077 grc_local_ctrl
|= GRC_LCLCTRL_GPIO_OUTPUT2
;
2078 tw32_wait_f(GRC_LOCAL_CTRL
, grc_local_ctrl
, 100);
2080 grc_local_ctrl
&= ~GRC_LCLCTRL_GPIO_OUTPUT0
;
2081 tw32_wait_f(GRC_LOCAL_CTRL
, grc_local_ctrl
, 100);
2084 u32 grc_local_ctrl
= 0;
2086 if (tp_peer
!= tp
&&
2087 (tp_peer
->tg3_flags
& TG3_FLAG_INIT_COMPLETE
) != 0)
2090 /* Workaround to prevent overdrawing Amps. */
2091 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) ==
2093 grc_local_ctrl
|= GRC_LCLCTRL_GPIO_OE3
;
2094 tw32_wait_f(GRC_LOCAL_CTRL
, tp
->grc_local_ctrl
|
2095 grc_local_ctrl
, 100);
2098 /* On 5753 and variants, GPIO2 cannot be used. */
2099 no_gpio2
= tp
->nic_sram_data_cfg
&
2100 NIC_SRAM_DATA_CFG_NO_GPIO2
;
2102 grc_local_ctrl
|= GRC_LCLCTRL_GPIO_OE0
|
2103 GRC_LCLCTRL_GPIO_OE1
|
2104 GRC_LCLCTRL_GPIO_OE2
|
2105 GRC_LCLCTRL_GPIO_OUTPUT1
|
2106 GRC_LCLCTRL_GPIO_OUTPUT2
;
2108 grc_local_ctrl
&= ~(GRC_LCLCTRL_GPIO_OE2
|
2109 GRC_LCLCTRL_GPIO_OUTPUT2
);
2111 tw32_wait_f(GRC_LOCAL_CTRL
, tp
->grc_local_ctrl
|
2112 grc_local_ctrl
, 100);
2114 grc_local_ctrl
|= GRC_LCLCTRL_GPIO_OUTPUT0
;
2116 tw32_wait_f(GRC_LOCAL_CTRL
, tp
->grc_local_ctrl
|
2117 grc_local_ctrl
, 100);
2120 grc_local_ctrl
&= ~GRC_LCLCTRL_GPIO_OUTPUT2
;
2121 tw32_wait_f(GRC_LOCAL_CTRL
, tp
->grc_local_ctrl
|
2122 grc_local_ctrl
, 100);
2126 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5700
&&
2127 GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5701
) {
2128 if (tp_peer
!= tp
&&
2129 (tp_peer
->tg3_flags
& TG3_FLAG_INIT_COMPLETE
) != 0)
2132 tw32_wait_f(GRC_LOCAL_CTRL
, tp
->grc_local_ctrl
|
2133 (GRC_LCLCTRL_GPIO_OE1
|
2134 GRC_LCLCTRL_GPIO_OUTPUT1
), 100);
2136 tw32_wait_f(GRC_LOCAL_CTRL
, tp
->grc_local_ctrl
|
2137 GRC_LCLCTRL_GPIO_OE1
, 100);
2139 tw32_wait_f(GRC_LOCAL_CTRL
, tp
->grc_local_ctrl
|
2140 (GRC_LCLCTRL_GPIO_OE1
|
2141 GRC_LCLCTRL_GPIO_OUTPUT1
), 100);
2146 static int tg3_5700_link_polarity(struct tg3
*tp
, u32 speed
)
2148 if (tp
->led_ctrl
== LED_CTRL_MODE_PHY_2
)
2150 else if ((tp
->phy_id
& PHY_ID_MASK
) == PHY_ID_BCM5411
) {
2151 if (speed
!= SPEED_10
)
2153 } else if (speed
== SPEED_10
)
2159 static int tg3_setup_phy(struct tg3
*, int);
2161 #define RESET_KIND_SHUTDOWN 0
2162 #define RESET_KIND_INIT 1
2163 #define RESET_KIND_SUSPEND 2
2165 static void tg3_write_sig_post_reset(struct tg3
*, int);
2166 static int tg3_halt_cpu(struct tg3
*, u32
);
2168 static void tg3_power_down_phy(struct tg3
*tp
, bool do_low_power
)
2172 if (tp
->tg3_flags2
& TG3_FLG2_PHY_SERDES
) {
2173 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5704
) {
2174 u32 sg_dig_ctrl
= tr32(SG_DIG_CTRL
);
2175 u32 serdes_cfg
= tr32(MAC_SERDES_CFG
);
2178 SG_DIG_USING_HW_AUTONEG
| SG_DIG_SOFT_RESET
;
2179 tw32(SG_DIG_CTRL
, sg_dig_ctrl
);
2180 tw32(MAC_SERDES_CFG
, serdes_cfg
| (1 << 15));
2185 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
) {
2187 val
= tr32(GRC_MISC_CFG
);
2188 tw32_f(GRC_MISC_CFG
, val
| GRC_MISC_CFG_EPHY_IDDQ
);
2191 } else if (tp
->tg3_flags3
& TG3_FLG3_PHY_IS_FET
) {
2193 if (!tg3_readphy(tp
, MII_TG3_FET_TEST
, &phytest
)) {
2196 tg3_writephy(tp
, MII_ADVERTISE
, 0);
2197 tg3_writephy(tp
, MII_BMCR
,
2198 BMCR_ANENABLE
| BMCR_ANRESTART
);
2200 tg3_writephy(tp
, MII_TG3_FET_TEST
,
2201 phytest
| MII_TG3_FET_SHADOW_EN
);
2202 if (!tg3_readphy(tp
, MII_TG3_FET_SHDW_AUXMODE4
, &phy
)) {
2203 phy
|= MII_TG3_FET_SHDW_AUXMODE4_SBPD
;
2205 MII_TG3_FET_SHDW_AUXMODE4
,
2208 tg3_writephy(tp
, MII_TG3_FET_TEST
, phytest
);
2211 } else if (do_low_power
) {
2212 tg3_writephy(tp
, MII_TG3_EXT_CTRL
,
2213 MII_TG3_EXT_CTRL_FORCE_LED_OFF
);
2215 tg3_writephy(tp
, MII_TG3_AUX_CTRL
,
2216 MII_TG3_AUXCTL_SHDWSEL_PWRCTL
|
2217 MII_TG3_AUXCTL_PCTL_100TX_LPWR
|
2218 MII_TG3_AUXCTL_PCTL_SPR_ISOLATE
|
2219 MII_TG3_AUXCTL_PCTL_VREG_11V
);
2222 /* The PHY should not be powered down on some chips because
2225 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5700
||
2226 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5704
||
2227 (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5780
&&
2228 (tp
->tg3_flags2
& TG3_FLG2_MII_SERDES
)))
2231 if (GET_CHIP_REV(tp
->pci_chip_rev_id
) == CHIPREV_5784_AX
||
2232 GET_CHIP_REV(tp
->pci_chip_rev_id
) == CHIPREV_5761_AX
) {
2233 val
= tr32(TG3_CPMU_LSPD_1000MB_CLK
);
2234 val
&= ~CPMU_LSPD_1000MB_MACCLK_MASK
;
2235 val
|= CPMU_LSPD_1000MB_MACCLK_12_5
;
2236 tw32_f(TG3_CPMU_LSPD_1000MB_CLK
, val
);
2239 tg3_writephy(tp
, MII_BMCR
, BMCR_PDOWN
);
2242 /* tp->lock is held. */
2243 static int tg3_nvram_lock(struct tg3
*tp
)
2245 if (tp
->tg3_flags
& TG3_FLAG_NVRAM
) {
2248 if (tp
->nvram_lock_cnt
== 0) {
2249 tw32(NVRAM_SWARB
, SWARB_REQ_SET1
);
2250 for (i
= 0; i
< 8000; i
++) {
2251 if (tr32(NVRAM_SWARB
) & SWARB_GNT1
)
2256 tw32(NVRAM_SWARB
, SWARB_REQ_CLR1
);
2260 tp
->nvram_lock_cnt
++;
2265 /* tp->lock is held. */
2266 static void tg3_nvram_unlock(struct tg3
*tp
)
2268 if (tp
->tg3_flags
& TG3_FLAG_NVRAM
) {
2269 if (tp
->nvram_lock_cnt
> 0)
2270 tp
->nvram_lock_cnt
--;
2271 if (tp
->nvram_lock_cnt
== 0)
2272 tw32_f(NVRAM_SWARB
, SWARB_REQ_CLR1
);
2276 /* tp->lock is held. */
2277 static void tg3_enable_nvram_access(struct tg3
*tp
)
2279 if ((tp
->tg3_flags2
& TG3_FLG2_5750_PLUS
) &&
2280 !(tp
->tg3_flags3
& TG3_FLG3_PROTECTED_NVRAM
)) {
2281 u32 nvaccess
= tr32(NVRAM_ACCESS
);
2283 tw32(NVRAM_ACCESS
, nvaccess
| ACCESS_ENABLE
);
2287 /* tp->lock is held. */
2288 static void tg3_disable_nvram_access(struct tg3
*tp
)
2290 if ((tp
->tg3_flags2
& TG3_FLG2_5750_PLUS
) &&
2291 !(tp
->tg3_flags3
& TG3_FLG3_PROTECTED_NVRAM
)) {
2292 u32 nvaccess
= tr32(NVRAM_ACCESS
);
2294 tw32(NVRAM_ACCESS
, nvaccess
& ~ACCESS_ENABLE
);
2298 static int tg3_nvram_read_using_eeprom(struct tg3
*tp
,
2299 u32 offset
, u32
*val
)
2304 if (offset
> EEPROM_ADDR_ADDR_MASK
|| (offset
% 4) != 0)
2307 tmp
= tr32(GRC_EEPROM_ADDR
) & ~(EEPROM_ADDR_ADDR_MASK
|
2308 EEPROM_ADDR_DEVID_MASK
|
2310 tw32(GRC_EEPROM_ADDR
,
2312 (0 << EEPROM_ADDR_DEVID_SHIFT
) |
2313 ((offset
<< EEPROM_ADDR_ADDR_SHIFT
) &
2314 EEPROM_ADDR_ADDR_MASK
) |
2315 EEPROM_ADDR_READ
| EEPROM_ADDR_START
);
2317 for (i
= 0; i
< 1000; i
++) {
2318 tmp
= tr32(GRC_EEPROM_ADDR
);
2320 if (tmp
& EEPROM_ADDR_COMPLETE
)
2324 if (!(tmp
& EEPROM_ADDR_COMPLETE
))
2327 tmp
= tr32(GRC_EEPROM_DATA
);
2330 * The data will always be opposite the native endian
2331 * format. Perform a blind byteswap to compensate.
2338 #define NVRAM_CMD_TIMEOUT 10000
2340 static int tg3_nvram_exec_cmd(struct tg3
*tp
, u32 nvram_cmd
)
2344 tw32(NVRAM_CMD
, nvram_cmd
);
2345 for (i
= 0; i
< NVRAM_CMD_TIMEOUT
; i
++) {
2347 if (tr32(NVRAM_CMD
) & NVRAM_CMD_DONE
) {
2353 if (i
== NVRAM_CMD_TIMEOUT
)
2359 static u32
tg3_nvram_phys_addr(struct tg3
*tp
, u32 addr
)
2361 if ((tp
->tg3_flags
& TG3_FLAG_NVRAM
) &&
2362 (tp
->tg3_flags
& TG3_FLAG_NVRAM_BUFFERED
) &&
2363 (tp
->tg3_flags2
& TG3_FLG2_FLASH
) &&
2364 !(tp
->tg3_flags3
& TG3_FLG3_NO_NVRAM_ADDR_TRANS
) &&
2365 (tp
->nvram_jedecnum
== JEDEC_ATMEL
))
2367 addr
= ((addr
/ tp
->nvram_pagesize
) <<
2368 ATMEL_AT45DB0X1B_PAGE_POS
) +
2369 (addr
% tp
->nvram_pagesize
);
2374 static u32
tg3_nvram_logical_addr(struct tg3
*tp
, u32 addr
)
2376 if ((tp
->tg3_flags
& TG3_FLAG_NVRAM
) &&
2377 (tp
->tg3_flags
& TG3_FLAG_NVRAM_BUFFERED
) &&
2378 (tp
->tg3_flags2
& TG3_FLG2_FLASH
) &&
2379 !(tp
->tg3_flags3
& TG3_FLG3_NO_NVRAM_ADDR_TRANS
) &&
2380 (tp
->nvram_jedecnum
== JEDEC_ATMEL
))
2382 addr
= ((addr
>> ATMEL_AT45DB0X1B_PAGE_POS
) *
2383 tp
->nvram_pagesize
) +
2384 (addr
& ((1 << ATMEL_AT45DB0X1B_PAGE_POS
) - 1));
2389 /* NOTE: Data read in from NVRAM is byteswapped according to
2390 * the byteswapping settings for all other register accesses.
2391 * tg3 devices are BE devices, so on a BE machine, the data
2392 * returned will be exactly as it is seen in NVRAM. On a LE
2393 * machine, the 32-bit value will be byteswapped.
2395 static int tg3_nvram_read(struct tg3
*tp
, u32 offset
, u32
*val
)
2399 if (!(tp
->tg3_flags
& TG3_FLAG_NVRAM
))
2400 return tg3_nvram_read_using_eeprom(tp
, offset
, val
);
2402 offset
= tg3_nvram_phys_addr(tp
, offset
);
2404 if (offset
> NVRAM_ADDR_MSK
)
2407 ret
= tg3_nvram_lock(tp
);
2411 tg3_enable_nvram_access(tp
);
2413 tw32(NVRAM_ADDR
, offset
);
2414 ret
= tg3_nvram_exec_cmd(tp
, NVRAM_CMD_RD
| NVRAM_CMD_GO
|
2415 NVRAM_CMD_FIRST
| NVRAM_CMD_LAST
| NVRAM_CMD_DONE
);
2418 *val
= tr32(NVRAM_RDDATA
);
2420 tg3_disable_nvram_access(tp
);
2422 tg3_nvram_unlock(tp
);
2427 /* Ensures NVRAM data is in bytestream format. */
2428 static int tg3_nvram_read_be32(struct tg3
*tp
, u32 offset
, __be32
*val
)
2431 int res
= tg3_nvram_read(tp
, offset
, &v
);
2433 *val
= cpu_to_be32(v
);
2437 /* tp->lock is held. */
2438 static void __tg3_set_mac_addr(struct tg3
*tp
, int skip_mac_1
)
2440 u32 addr_high
, addr_low
;
2443 addr_high
= ((tp
->dev
->dev_addr
[0] << 8) |
2444 tp
->dev
->dev_addr
[1]);
2445 addr_low
= ((tp
->dev
->dev_addr
[2] << 24) |
2446 (tp
->dev
->dev_addr
[3] << 16) |
2447 (tp
->dev
->dev_addr
[4] << 8) |
2448 (tp
->dev
->dev_addr
[5] << 0));
2449 for (i
= 0; i
< 4; i
++) {
2450 if (i
== 1 && skip_mac_1
)
2452 tw32(MAC_ADDR_0_HIGH
+ (i
* 8), addr_high
);
2453 tw32(MAC_ADDR_0_LOW
+ (i
* 8), addr_low
);
2456 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5703
||
2457 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5704
) {
2458 for (i
= 0; i
< 12; i
++) {
2459 tw32(MAC_EXTADDR_0_HIGH
+ (i
* 8), addr_high
);
2460 tw32(MAC_EXTADDR_0_LOW
+ (i
* 8), addr_low
);
2464 addr_high
= (tp
->dev
->dev_addr
[0] +
2465 tp
->dev
->dev_addr
[1] +
2466 tp
->dev
->dev_addr
[2] +
2467 tp
->dev
->dev_addr
[3] +
2468 tp
->dev
->dev_addr
[4] +
2469 tp
->dev
->dev_addr
[5]) &
2470 TX_BACKOFF_SEED_MASK
;
2471 tw32(MAC_TX_BACKOFF_SEED
, addr_high
);
2474 static int tg3_set_power_state(struct tg3
*tp
, pci_power_t state
)
2477 bool device_should_wake
, do_low_power
;
2479 /* Make sure register accesses (indirect or otherwise)
2480 * will function correctly.
2482 pci_write_config_dword(tp
->pdev
,
2483 TG3PCI_MISC_HOST_CTRL
,
2484 tp
->misc_host_ctrl
);
2488 pci_enable_wake(tp
->pdev
, state
, false);
2489 pci_set_power_state(tp
->pdev
, PCI_D0
);
2491 /* Switch out of Vaux if it is a NIC */
2492 if (tp
->tg3_flags2
& TG3_FLG2_IS_NIC
)
2493 tw32_wait_f(GRC_LOCAL_CTRL
, tp
->grc_local_ctrl
, 100);
2503 printk(KERN_ERR PFX
"%s: Invalid power state (D%d) requested\n",
2504 tp
->dev
->name
, state
);
2508 /* Restore the CLKREQ setting. */
2509 if (tp
->tg3_flags3
& TG3_FLG3_CLKREQ_BUG
) {
2512 pci_read_config_word(tp
->pdev
,
2513 tp
->pcie_cap
+ PCI_EXP_LNKCTL
,
2515 lnkctl
|= PCI_EXP_LNKCTL_CLKREQ_EN
;
2516 pci_write_config_word(tp
->pdev
,
2517 tp
->pcie_cap
+ PCI_EXP_LNKCTL
,
2521 misc_host_ctrl
= tr32(TG3PCI_MISC_HOST_CTRL
);
2522 tw32(TG3PCI_MISC_HOST_CTRL
,
2523 misc_host_ctrl
| MISC_HOST_CTRL_MASK_PCI_INT
);
2525 device_should_wake
= pci_pme_capable(tp
->pdev
, state
) &&
2526 device_may_wakeup(&tp
->pdev
->dev
) &&
2527 (tp
->tg3_flags
& TG3_FLAG_WOL_ENABLE
);
2529 if (tp
->tg3_flags3
& TG3_FLG3_USE_PHYLIB
) {
2530 do_low_power
= false;
2531 if ((tp
->tg3_flags3
& TG3_FLG3_PHY_CONNECTED
) &&
2532 !tp
->link_config
.phy_is_low_power
) {
2533 struct phy_device
*phydev
;
2534 u32 phyid
, advertising
;
2536 phydev
= tp
->mdio_bus
->phy_map
[TG3_PHY_MII_ADDR
];
2538 tp
->link_config
.phy_is_low_power
= 1;
2540 tp
->link_config
.orig_speed
= phydev
->speed
;
2541 tp
->link_config
.orig_duplex
= phydev
->duplex
;
2542 tp
->link_config
.orig_autoneg
= phydev
->autoneg
;
2543 tp
->link_config
.orig_advertising
= phydev
->advertising
;
2545 advertising
= ADVERTISED_TP
|
2547 ADVERTISED_Autoneg
|
2548 ADVERTISED_10baseT_Half
;
2550 if ((tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
) ||
2551 device_should_wake
) {
2552 if (tp
->tg3_flags
& TG3_FLAG_WOL_SPEED_100MB
)
2554 ADVERTISED_100baseT_Half
|
2555 ADVERTISED_100baseT_Full
|
2556 ADVERTISED_10baseT_Full
;
2558 advertising
|= ADVERTISED_10baseT_Full
;
2561 phydev
->advertising
= advertising
;
2563 phy_start_aneg(phydev
);
2565 phyid
= phydev
->drv
->phy_id
& phydev
->drv
->phy_id_mask
;
2566 if (phyid
!= TG3_PHY_ID_BCMAC131
) {
2567 phyid
&= TG3_PHY_OUI_MASK
;
2568 if (phyid
== TG3_PHY_OUI_1
||
2569 phyid
== TG3_PHY_OUI_2
||
2570 phyid
== TG3_PHY_OUI_3
)
2571 do_low_power
= true;
2575 do_low_power
= true;
2577 if (tp
->link_config
.phy_is_low_power
== 0) {
2578 tp
->link_config
.phy_is_low_power
= 1;
2579 tp
->link_config
.orig_speed
= tp
->link_config
.speed
;
2580 tp
->link_config
.orig_duplex
= tp
->link_config
.duplex
;
2581 tp
->link_config
.orig_autoneg
= tp
->link_config
.autoneg
;
2584 if (!(tp
->tg3_flags2
& TG3_FLG2_ANY_SERDES
)) {
2585 tp
->link_config
.speed
= SPEED_10
;
2586 tp
->link_config
.duplex
= DUPLEX_HALF
;
2587 tp
->link_config
.autoneg
= AUTONEG_ENABLE
;
2588 tg3_setup_phy(tp
, 0);
2592 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
) {
2595 val
= tr32(GRC_VCPU_EXT_CTRL
);
2596 tw32(GRC_VCPU_EXT_CTRL
, val
| GRC_VCPU_EXT_CTRL_DISABLE_WOL
);
2597 } else if (!(tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
)) {
2601 for (i
= 0; i
< 200; i
++) {
2602 tg3_read_mem(tp
, NIC_SRAM_FW_ASF_STATUS_MBOX
, &val
);
2603 if (val
== ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1
)
2608 if (tp
->tg3_flags
& TG3_FLAG_WOL_CAP
)
2609 tg3_write_mem(tp
, NIC_SRAM_WOL_MBOX
, WOL_SIGNATURE
|
2610 WOL_DRV_STATE_SHUTDOWN
|
2614 if (device_should_wake
) {
2617 if (!(tp
->tg3_flags2
& TG3_FLG2_PHY_SERDES
)) {
2619 tg3_writephy(tp
, MII_TG3_AUX_CTRL
, 0x5a);
2623 if (tp
->tg3_flags2
& TG3_FLG2_MII_SERDES
)
2624 mac_mode
= MAC_MODE_PORT_MODE_GMII
;
2626 mac_mode
= MAC_MODE_PORT_MODE_MII
;
2628 mac_mode
|= tp
->mac_mode
& MAC_MODE_LINK_POLARITY
;
2629 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) ==
2631 u32 speed
= (tp
->tg3_flags
&
2632 TG3_FLAG_WOL_SPEED_100MB
) ?
2633 SPEED_100
: SPEED_10
;
2634 if (tg3_5700_link_polarity(tp
, speed
))
2635 mac_mode
|= MAC_MODE_LINK_POLARITY
;
2637 mac_mode
&= ~MAC_MODE_LINK_POLARITY
;
2640 mac_mode
= MAC_MODE_PORT_MODE_TBI
;
2643 if (!(tp
->tg3_flags2
& TG3_FLG2_5750_PLUS
))
2644 tw32(MAC_LED_CTRL
, tp
->led_ctrl
);
2646 mac_mode
|= MAC_MODE_MAGIC_PKT_ENABLE
;
2647 if (((tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
) &&
2648 !(tp
->tg3_flags2
& TG3_FLG2_5780_CLASS
)) &&
2649 ((tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
) ||
2650 (tp
->tg3_flags3
& TG3_FLG3_ENABLE_APE
)))
2651 mac_mode
|= MAC_MODE_KEEP_FRAME_IN_WOL
;
2653 if (tp
->tg3_flags3
& TG3_FLG3_ENABLE_APE
) {
2654 mac_mode
|= tp
->mac_mode
&
2655 (MAC_MODE_APE_TX_EN
| MAC_MODE_APE_RX_EN
);
2656 if (mac_mode
& MAC_MODE_APE_TX_EN
)
2657 mac_mode
|= MAC_MODE_TDE_ENABLE
;
2660 tw32_f(MAC_MODE
, mac_mode
);
2663 tw32_f(MAC_RX_MODE
, RX_MODE_ENABLE
);
2667 if (!(tp
->tg3_flags
& TG3_FLAG_WOL_SPEED_100MB
) &&
2668 (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5700
||
2669 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5701
)) {
2672 base_val
= tp
->pci_clock_ctrl
;
2673 base_val
|= (CLOCK_CTRL_RXCLK_DISABLE
|
2674 CLOCK_CTRL_TXCLK_DISABLE
);
2676 tw32_wait_f(TG3PCI_CLOCK_CTRL
, base_val
| CLOCK_CTRL_ALTCLK
|
2677 CLOCK_CTRL_PWRDOWN_PLL133
, 40);
2678 } else if ((tp
->tg3_flags2
& TG3_FLG2_5780_CLASS
) ||
2679 (tp
->tg3_flags
& TG3_FLAG_CPMU_PRESENT
) ||
2680 (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
)) {
2682 } else if (!((tp
->tg3_flags2
& TG3_FLG2_5750_PLUS
) &&
2683 (tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
))) {
2684 u32 newbits1
, newbits2
;
2686 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5700
||
2687 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5701
) {
2688 newbits1
= (CLOCK_CTRL_RXCLK_DISABLE
|
2689 CLOCK_CTRL_TXCLK_DISABLE
|
2691 newbits2
= newbits1
| CLOCK_CTRL_44MHZ_CORE
;
2692 } else if (tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
) {
2693 newbits1
= CLOCK_CTRL_625_CORE
;
2694 newbits2
= newbits1
| CLOCK_CTRL_ALTCLK
;
2696 newbits1
= CLOCK_CTRL_ALTCLK
;
2697 newbits2
= newbits1
| CLOCK_CTRL_44MHZ_CORE
;
2700 tw32_wait_f(TG3PCI_CLOCK_CTRL
, tp
->pci_clock_ctrl
| newbits1
,
2703 tw32_wait_f(TG3PCI_CLOCK_CTRL
, tp
->pci_clock_ctrl
| newbits2
,
2706 if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
)) {
2709 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5700
||
2710 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5701
) {
2711 newbits3
= (CLOCK_CTRL_RXCLK_DISABLE
|
2712 CLOCK_CTRL_TXCLK_DISABLE
|
2713 CLOCK_CTRL_44MHZ_CORE
);
2715 newbits3
= CLOCK_CTRL_44MHZ_CORE
;
2718 tw32_wait_f(TG3PCI_CLOCK_CTRL
,
2719 tp
->pci_clock_ctrl
| newbits3
, 40);
2723 if (!(device_should_wake
) &&
2724 !(tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
))
2725 tg3_power_down_phy(tp
, do_low_power
);
2727 tg3_frob_aux_power(tp
);
2729 /* Workaround for unstable PLL clock */
2730 if ((GET_CHIP_REV(tp
->pci_chip_rev_id
) == CHIPREV_5750_AX
) ||
2731 (GET_CHIP_REV(tp
->pci_chip_rev_id
) == CHIPREV_5750_BX
)) {
2732 u32 val
= tr32(0x7d00);
2734 val
&= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
2736 if (!(tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
)) {
2739 err
= tg3_nvram_lock(tp
);
2740 tg3_halt_cpu(tp
, RX_CPU_BASE
);
2742 tg3_nvram_unlock(tp
);
2746 tg3_write_sig_post_reset(tp
, RESET_KIND_SHUTDOWN
);
2748 if (device_should_wake
)
2749 pci_enable_wake(tp
->pdev
, state
, true);
2751 /* Finally, set the new power state. */
2752 pci_set_power_state(tp
->pdev
, state
);
2757 static void tg3_aux_stat_to_speed_duplex(struct tg3
*tp
, u32 val
, u16
*speed
, u8
*duplex
)
2759 switch (val
& MII_TG3_AUX_STAT_SPDMASK
) {
2760 case MII_TG3_AUX_STAT_10HALF
:
2762 *duplex
= DUPLEX_HALF
;
2765 case MII_TG3_AUX_STAT_10FULL
:
2767 *duplex
= DUPLEX_FULL
;
2770 case MII_TG3_AUX_STAT_100HALF
:
2772 *duplex
= DUPLEX_HALF
;
2775 case MII_TG3_AUX_STAT_100FULL
:
2777 *duplex
= DUPLEX_FULL
;
2780 case MII_TG3_AUX_STAT_1000HALF
:
2781 *speed
= SPEED_1000
;
2782 *duplex
= DUPLEX_HALF
;
2785 case MII_TG3_AUX_STAT_1000FULL
:
2786 *speed
= SPEED_1000
;
2787 *duplex
= DUPLEX_FULL
;
2791 if (tp
->tg3_flags3
& TG3_FLG3_PHY_IS_FET
) {
2792 *speed
= (val
& MII_TG3_AUX_STAT_100
) ? SPEED_100
:
2794 *duplex
= (val
& MII_TG3_AUX_STAT_FULL
) ? DUPLEX_FULL
:
2798 *speed
= SPEED_INVALID
;
2799 *duplex
= DUPLEX_INVALID
;
2804 static void tg3_phy_copper_begin(struct tg3
*tp
)
2809 if (tp
->link_config
.phy_is_low_power
) {
2810 /* Entering low power mode. Disable gigabit and
2811 * 100baseT advertisements.
2813 tg3_writephy(tp
, MII_TG3_CTRL
, 0);
2815 new_adv
= (ADVERTISE_10HALF
| ADVERTISE_10FULL
|
2816 ADVERTISE_CSMA
| ADVERTISE_PAUSE_CAP
);
2817 if (tp
->tg3_flags
& TG3_FLAG_WOL_SPEED_100MB
)
2818 new_adv
|= (ADVERTISE_100HALF
| ADVERTISE_100FULL
);
2820 tg3_writephy(tp
, MII_ADVERTISE
, new_adv
);
2821 } else if (tp
->link_config
.speed
== SPEED_INVALID
) {
2822 if (tp
->tg3_flags
& TG3_FLAG_10_100_ONLY
)
2823 tp
->link_config
.advertising
&=
2824 ~(ADVERTISED_1000baseT_Half
|
2825 ADVERTISED_1000baseT_Full
);
2827 new_adv
= ADVERTISE_CSMA
;
2828 if (tp
->link_config
.advertising
& ADVERTISED_10baseT_Half
)
2829 new_adv
|= ADVERTISE_10HALF
;
2830 if (tp
->link_config
.advertising
& ADVERTISED_10baseT_Full
)
2831 new_adv
|= ADVERTISE_10FULL
;
2832 if (tp
->link_config
.advertising
& ADVERTISED_100baseT_Half
)
2833 new_adv
|= ADVERTISE_100HALF
;
2834 if (tp
->link_config
.advertising
& ADVERTISED_100baseT_Full
)
2835 new_adv
|= ADVERTISE_100FULL
;
2837 new_adv
|= tg3_advert_flowctrl_1000T(tp
->link_config
.flowctrl
);
2839 tg3_writephy(tp
, MII_ADVERTISE
, new_adv
);
2841 if (tp
->link_config
.advertising
&
2842 (ADVERTISED_1000baseT_Half
| ADVERTISED_1000baseT_Full
)) {
2844 if (tp
->link_config
.advertising
& ADVERTISED_1000baseT_Half
)
2845 new_adv
|= MII_TG3_CTRL_ADV_1000_HALF
;
2846 if (tp
->link_config
.advertising
& ADVERTISED_1000baseT_Full
)
2847 new_adv
|= MII_TG3_CTRL_ADV_1000_FULL
;
2848 if (!(tp
->tg3_flags
& TG3_FLAG_10_100_ONLY
) &&
2849 (tp
->pci_chip_rev_id
== CHIPREV_ID_5701_A0
||
2850 tp
->pci_chip_rev_id
== CHIPREV_ID_5701_B0
))
2851 new_adv
|= (MII_TG3_CTRL_AS_MASTER
|
2852 MII_TG3_CTRL_ENABLE_AS_MASTER
);
2853 tg3_writephy(tp
, MII_TG3_CTRL
, new_adv
);
2855 tg3_writephy(tp
, MII_TG3_CTRL
, 0);
2858 new_adv
= tg3_advert_flowctrl_1000T(tp
->link_config
.flowctrl
);
2859 new_adv
|= ADVERTISE_CSMA
;
2861 /* Asking for a specific link mode. */
2862 if (tp
->link_config
.speed
== SPEED_1000
) {
2863 tg3_writephy(tp
, MII_ADVERTISE
, new_adv
);
2865 if (tp
->link_config
.duplex
== DUPLEX_FULL
)
2866 new_adv
= MII_TG3_CTRL_ADV_1000_FULL
;
2868 new_adv
= MII_TG3_CTRL_ADV_1000_HALF
;
2869 if (tp
->pci_chip_rev_id
== CHIPREV_ID_5701_A0
||
2870 tp
->pci_chip_rev_id
== CHIPREV_ID_5701_B0
)
2871 new_adv
|= (MII_TG3_CTRL_AS_MASTER
|
2872 MII_TG3_CTRL_ENABLE_AS_MASTER
);
2874 if (tp
->link_config
.speed
== SPEED_100
) {
2875 if (tp
->link_config
.duplex
== DUPLEX_FULL
)
2876 new_adv
|= ADVERTISE_100FULL
;
2878 new_adv
|= ADVERTISE_100HALF
;
2880 if (tp
->link_config
.duplex
== DUPLEX_FULL
)
2881 new_adv
|= ADVERTISE_10FULL
;
2883 new_adv
|= ADVERTISE_10HALF
;
2885 tg3_writephy(tp
, MII_ADVERTISE
, new_adv
);
2890 tg3_writephy(tp
, MII_TG3_CTRL
, new_adv
);
2893 if (tp
->link_config
.autoneg
== AUTONEG_DISABLE
&&
2894 tp
->link_config
.speed
!= SPEED_INVALID
) {
2895 u32 bmcr
, orig_bmcr
;
2897 tp
->link_config
.active_speed
= tp
->link_config
.speed
;
2898 tp
->link_config
.active_duplex
= tp
->link_config
.duplex
;
2901 switch (tp
->link_config
.speed
) {
2907 bmcr
|= BMCR_SPEED100
;
2911 bmcr
|= TG3_BMCR_SPEED1000
;
2915 if (tp
->link_config
.duplex
== DUPLEX_FULL
)
2916 bmcr
|= BMCR_FULLDPLX
;
2918 if (!tg3_readphy(tp
, MII_BMCR
, &orig_bmcr
) &&
2919 (bmcr
!= orig_bmcr
)) {
2920 tg3_writephy(tp
, MII_BMCR
, BMCR_LOOPBACK
);
2921 for (i
= 0; i
< 1500; i
++) {
2925 if (tg3_readphy(tp
, MII_BMSR
, &tmp
) ||
2926 tg3_readphy(tp
, MII_BMSR
, &tmp
))
2928 if (!(tmp
& BMSR_LSTATUS
)) {
2933 tg3_writephy(tp
, MII_BMCR
, bmcr
);
2937 tg3_writephy(tp
, MII_BMCR
,
2938 BMCR_ANENABLE
| BMCR_ANRESTART
);
2942 static int tg3_init_5401phy_dsp(struct tg3
*tp
)
2946 /* Turn off tap power management. */
2947 /* Set Extended packet length bit */
2948 err
= tg3_writephy(tp
, MII_TG3_AUX_CTRL
, 0x4c20);
2950 err
|= tg3_writephy(tp
, MII_TG3_DSP_ADDRESS
, 0x0012);
2951 err
|= tg3_writephy(tp
, MII_TG3_DSP_RW_PORT
, 0x1804);
2953 err
|= tg3_writephy(tp
, MII_TG3_DSP_ADDRESS
, 0x0013);
2954 err
|= tg3_writephy(tp
, MII_TG3_DSP_RW_PORT
, 0x1204);
2956 err
|= tg3_writephy(tp
, MII_TG3_DSP_ADDRESS
, 0x8006);
2957 err
|= tg3_writephy(tp
, MII_TG3_DSP_RW_PORT
, 0x0132);
2959 err
|= tg3_writephy(tp
, MII_TG3_DSP_ADDRESS
, 0x8006);
2960 err
|= tg3_writephy(tp
, MII_TG3_DSP_RW_PORT
, 0x0232);
2962 err
|= tg3_writephy(tp
, MII_TG3_DSP_ADDRESS
, 0x201f);
2963 err
|= tg3_writephy(tp
, MII_TG3_DSP_RW_PORT
, 0x0a20);
2970 static int tg3_copper_is_advertising_all(struct tg3
*tp
, u32 mask
)
2972 u32 adv_reg
, all_mask
= 0;
2974 if (mask
& ADVERTISED_10baseT_Half
)
2975 all_mask
|= ADVERTISE_10HALF
;
2976 if (mask
& ADVERTISED_10baseT_Full
)
2977 all_mask
|= ADVERTISE_10FULL
;
2978 if (mask
& ADVERTISED_100baseT_Half
)
2979 all_mask
|= ADVERTISE_100HALF
;
2980 if (mask
& ADVERTISED_100baseT_Full
)
2981 all_mask
|= ADVERTISE_100FULL
;
2983 if (tg3_readphy(tp
, MII_ADVERTISE
, &adv_reg
))
2986 if ((adv_reg
& all_mask
) != all_mask
)
2988 if (!(tp
->tg3_flags
& TG3_FLAG_10_100_ONLY
)) {
2992 if (mask
& ADVERTISED_1000baseT_Half
)
2993 all_mask
|= ADVERTISE_1000HALF
;
2994 if (mask
& ADVERTISED_1000baseT_Full
)
2995 all_mask
|= ADVERTISE_1000FULL
;
2997 if (tg3_readphy(tp
, MII_TG3_CTRL
, &tg3_ctrl
))
3000 if ((tg3_ctrl
& all_mask
) != all_mask
)
3006 static int tg3_adv_1000T_flowctrl_ok(struct tg3
*tp
, u32
*lcladv
, u32
*rmtadv
)
3010 if (tg3_readphy(tp
, MII_ADVERTISE
, lcladv
))
3013 curadv
= *lcladv
& (ADVERTISE_PAUSE_CAP
| ADVERTISE_PAUSE_ASYM
);
3014 reqadv
= tg3_advert_flowctrl_1000T(tp
->link_config
.flowctrl
);
3016 if (tp
->link_config
.active_duplex
== DUPLEX_FULL
) {
3017 if (curadv
!= reqadv
)
3020 if (tp
->tg3_flags
& TG3_FLAG_PAUSE_AUTONEG
)
3021 tg3_readphy(tp
, MII_LPA
, rmtadv
);
3023 /* Reprogram the advertisement register, even if it
3024 * does not affect the current link. If the link
3025 * gets renegotiated in the future, we can save an
3026 * additional renegotiation cycle by advertising
3027 * it correctly in the first place.
3029 if (curadv
!= reqadv
) {
3030 *lcladv
&= ~(ADVERTISE_PAUSE_CAP
|
3031 ADVERTISE_PAUSE_ASYM
);
3032 tg3_writephy(tp
, MII_ADVERTISE
, *lcladv
| reqadv
);
3039 static int tg3_setup_copper_phy(struct tg3
*tp
, int force_reset
)
3041 int current_link_up
;
3043 u32 lcl_adv
, rmt_adv
;
3051 (MAC_STATUS_SYNC_CHANGED
|
3052 MAC_STATUS_CFG_CHANGED
|
3053 MAC_STATUS_MI_COMPLETION
|
3054 MAC_STATUS_LNKSTATE_CHANGED
));
3057 if ((tp
->mi_mode
& MAC_MI_MODE_AUTO_POLL
) != 0) {
3059 (tp
->mi_mode
& ~MAC_MI_MODE_AUTO_POLL
));
3063 tg3_writephy(tp
, MII_TG3_AUX_CTRL
, 0x02);
3065 /* Some third-party PHYs need to be reset on link going
3068 if ((GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5703
||
3069 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5704
||
3070 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5705
) &&
3071 netif_carrier_ok(tp
->dev
)) {
3072 tg3_readphy(tp
, MII_BMSR
, &bmsr
);
3073 if (!tg3_readphy(tp
, MII_BMSR
, &bmsr
) &&
3074 !(bmsr
& BMSR_LSTATUS
))
3080 if ((tp
->phy_id
& PHY_ID_MASK
) == PHY_ID_BCM5401
) {
3081 tg3_readphy(tp
, MII_BMSR
, &bmsr
);
3082 if (tg3_readphy(tp
, MII_BMSR
, &bmsr
) ||
3083 !(tp
->tg3_flags
& TG3_FLAG_INIT_COMPLETE
))
3086 if (!(bmsr
& BMSR_LSTATUS
)) {
3087 err
= tg3_init_5401phy_dsp(tp
);
3091 tg3_readphy(tp
, MII_BMSR
, &bmsr
);
3092 for (i
= 0; i
< 1000; i
++) {
3094 if (!tg3_readphy(tp
, MII_BMSR
, &bmsr
) &&
3095 (bmsr
& BMSR_LSTATUS
)) {
3101 if ((tp
->phy_id
& PHY_ID_REV_MASK
) == PHY_REV_BCM5401_B0
&&
3102 !(bmsr
& BMSR_LSTATUS
) &&
3103 tp
->link_config
.active_speed
== SPEED_1000
) {
3104 err
= tg3_phy_reset(tp
);
3106 err
= tg3_init_5401phy_dsp(tp
);
3111 } else if (tp
->pci_chip_rev_id
== CHIPREV_ID_5701_A0
||
3112 tp
->pci_chip_rev_id
== CHIPREV_ID_5701_B0
) {
3113 /* 5701 {A0,B0} CRC bug workaround */
3114 tg3_writephy(tp
, 0x15, 0x0a75);
3115 tg3_writephy(tp
, 0x1c, 0x8c68);
3116 tg3_writephy(tp
, 0x1c, 0x8d68);
3117 tg3_writephy(tp
, 0x1c, 0x8c68);
3120 /* Clear pending interrupts... */
3121 tg3_readphy(tp
, MII_TG3_ISTAT
, &dummy
);
3122 tg3_readphy(tp
, MII_TG3_ISTAT
, &dummy
);
3124 if (tp
->tg3_flags
& TG3_FLAG_USE_MI_INTERRUPT
)
3125 tg3_writephy(tp
, MII_TG3_IMASK
, ~MII_TG3_INT_LINKCHG
);
3126 else if (!(tp
->tg3_flags3
& TG3_FLG3_PHY_IS_FET
))
3127 tg3_writephy(tp
, MII_TG3_IMASK
, ~0);
3129 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5700
||
3130 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5701
) {
3131 if (tp
->led_ctrl
== LED_CTRL_MODE_PHY_1
)
3132 tg3_writephy(tp
, MII_TG3_EXT_CTRL
,
3133 MII_TG3_EXT_CTRL_LNK3_LED_MODE
);
3135 tg3_writephy(tp
, MII_TG3_EXT_CTRL
, 0);
3138 current_link_up
= 0;
3139 current_speed
= SPEED_INVALID
;
3140 current_duplex
= DUPLEX_INVALID
;
3142 if (tp
->tg3_flags2
& TG3_FLG2_CAPACITIVE_COUPLING
) {
3145 tg3_writephy(tp
, MII_TG3_AUX_CTRL
, 0x4007);
3146 tg3_readphy(tp
, MII_TG3_AUX_CTRL
, &val
);
3147 if (!(val
& (1 << 10))) {
3149 tg3_writephy(tp
, MII_TG3_AUX_CTRL
, val
);
3155 for (i
= 0; i
< 100; i
++) {
3156 tg3_readphy(tp
, MII_BMSR
, &bmsr
);
3157 if (!tg3_readphy(tp
, MII_BMSR
, &bmsr
) &&
3158 (bmsr
& BMSR_LSTATUS
))
3163 if (bmsr
& BMSR_LSTATUS
) {
3166 tg3_readphy(tp
, MII_TG3_AUX_STAT
, &aux_stat
);
3167 for (i
= 0; i
< 2000; i
++) {
3169 if (!tg3_readphy(tp
, MII_TG3_AUX_STAT
, &aux_stat
) &&
3174 tg3_aux_stat_to_speed_duplex(tp
, aux_stat
,
3179 for (i
= 0; i
< 200; i
++) {
3180 tg3_readphy(tp
, MII_BMCR
, &bmcr
);
3181 if (tg3_readphy(tp
, MII_BMCR
, &bmcr
))
3183 if (bmcr
&& bmcr
!= 0x7fff)
3191 tp
->link_config
.active_speed
= current_speed
;
3192 tp
->link_config
.active_duplex
= current_duplex
;
3194 if (tp
->link_config
.autoneg
== AUTONEG_ENABLE
) {
3195 if ((bmcr
& BMCR_ANENABLE
) &&
3196 tg3_copper_is_advertising_all(tp
,
3197 tp
->link_config
.advertising
)) {
3198 if (tg3_adv_1000T_flowctrl_ok(tp
, &lcl_adv
,
3200 current_link_up
= 1;
3203 if (!(bmcr
& BMCR_ANENABLE
) &&
3204 tp
->link_config
.speed
== current_speed
&&
3205 tp
->link_config
.duplex
== current_duplex
&&
3206 tp
->link_config
.flowctrl
==
3207 tp
->link_config
.active_flowctrl
) {
3208 current_link_up
= 1;
3212 if (current_link_up
== 1 &&
3213 tp
->link_config
.active_duplex
== DUPLEX_FULL
)
3214 tg3_setup_flow_control(tp
, lcl_adv
, rmt_adv
);
3218 if (current_link_up
== 0 || tp
->link_config
.phy_is_low_power
) {
3221 tg3_phy_copper_begin(tp
);
3223 tg3_readphy(tp
, MII_BMSR
, &tmp
);
3224 if (!tg3_readphy(tp
, MII_BMSR
, &tmp
) &&
3225 (tmp
& BMSR_LSTATUS
))
3226 current_link_up
= 1;
3229 tp
->mac_mode
&= ~MAC_MODE_PORT_MODE_MASK
;
3230 if (current_link_up
== 1) {
3231 if (tp
->link_config
.active_speed
== SPEED_100
||
3232 tp
->link_config
.active_speed
== SPEED_10
)
3233 tp
->mac_mode
|= MAC_MODE_PORT_MODE_MII
;
3235 tp
->mac_mode
|= MAC_MODE_PORT_MODE_GMII
;
3236 } else if (tp
->tg3_flags3
& TG3_FLG3_PHY_IS_FET
)
3237 tp
->mac_mode
|= MAC_MODE_PORT_MODE_MII
;
3239 tp
->mac_mode
|= MAC_MODE_PORT_MODE_GMII
;
3241 tp
->mac_mode
&= ~MAC_MODE_HALF_DUPLEX
;
3242 if (tp
->link_config
.active_duplex
== DUPLEX_HALF
)
3243 tp
->mac_mode
|= MAC_MODE_HALF_DUPLEX
;
3245 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5700
) {
3246 if (current_link_up
== 1 &&
3247 tg3_5700_link_polarity(tp
, tp
->link_config
.active_speed
))
3248 tp
->mac_mode
|= MAC_MODE_LINK_POLARITY
;
3250 tp
->mac_mode
&= ~MAC_MODE_LINK_POLARITY
;
3253 /* ??? Without this setting Netgear GA302T PHY does not
3254 * ??? send/receive packets...
3256 if ((tp
->phy_id
& PHY_ID_MASK
) == PHY_ID_BCM5411
&&
3257 tp
->pci_chip_rev_id
== CHIPREV_ID_5700_ALTIMA
) {
3258 tp
->mi_mode
|= MAC_MI_MODE_AUTO_POLL
;
3259 tw32_f(MAC_MI_MODE
, tp
->mi_mode
);
3263 tw32_f(MAC_MODE
, tp
->mac_mode
);
3266 if (tp
->tg3_flags
& TG3_FLAG_USE_LINKCHG_REG
) {
3267 /* Polled via timer. */
3268 tw32_f(MAC_EVENT
, 0);
3270 tw32_f(MAC_EVENT
, MAC_EVENT_LNKSTATE_CHANGED
);
3274 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5700
&&
3275 current_link_up
== 1 &&
3276 tp
->link_config
.active_speed
== SPEED_1000
&&
3277 ((tp
->tg3_flags
& TG3_FLAG_PCIX_MODE
) ||
3278 (tp
->tg3_flags
& TG3_FLAG_PCI_HIGH_SPEED
))) {
3281 (MAC_STATUS_SYNC_CHANGED
|
3282 MAC_STATUS_CFG_CHANGED
));
3285 NIC_SRAM_FIRMWARE_MBOX
,
3286 NIC_SRAM_FIRMWARE_MBOX_MAGIC2
);
3289 /* Prevent send BD corruption. */
3290 if (tp
->tg3_flags3
& TG3_FLG3_CLKREQ_BUG
) {
3291 u16 oldlnkctl
, newlnkctl
;
3293 pci_read_config_word(tp
->pdev
,
3294 tp
->pcie_cap
+ PCI_EXP_LNKCTL
,
3296 if (tp
->link_config
.active_speed
== SPEED_100
||
3297 tp
->link_config
.active_speed
== SPEED_10
)
3298 newlnkctl
= oldlnkctl
& ~PCI_EXP_LNKCTL_CLKREQ_EN
;
3300 newlnkctl
= oldlnkctl
| PCI_EXP_LNKCTL_CLKREQ_EN
;
3301 if (newlnkctl
!= oldlnkctl
)
3302 pci_write_config_word(tp
->pdev
,
3303 tp
->pcie_cap
+ PCI_EXP_LNKCTL
,
3307 if (current_link_up
!= netif_carrier_ok(tp
->dev
)) {
3308 if (current_link_up
)
3309 netif_carrier_on(tp
->dev
);
3311 netif_carrier_off(tp
->dev
);
3312 tg3_link_report(tp
);
3318 struct tg3_fiber_aneginfo
{
3320 #define ANEG_STATE_UNKNOWN 0
3321 #define ANEG_STATE_AN_ENABLE 1
3322 #define ANEG_STATE_RESTART_INIT 2
3323 #define ANEG_STATE_RESTART 3
3324 #define ANEG_STATE_DISABLE_LINK_OK 4
3325 #define ANEG_STATE_ABILITY_DETECT_INIT 5
3326 #define ANEG_STATE_ABILITY_DETECT 6
3327 #define ANEG_STATE_ACK_DETECT_INIT 7
3328 #define ANEG_STATE_ACK_DETECT 8
3329 #define ANEG_STATE_COMPLETE_ACK_INIT 9
3330 #define ANEG_STATE_COMPLETE_ACK 10
3331 #define ANEG_STATE_IDLE_DETECT_INIT 11
3332 #define ANEG_STATE_IDLE_DETECT 12
3333 #define ANEG_STATE_LINK_OK 13
3334 #define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
3335 #define ANEG_STATE_NEXT_PAGE_WAIT 15
3338 #define MR_AN_ENABLE 0x00000001
3339 #define MR_RESTART_AN 0x00000002
3340 #define MR_AN_COMPLETE 0x00000004
3341 #define MR_PAGE_RX 0x00000008
3342 #define MR_NP_LOADED 0x00000010
3343 #define MR_TOGGLE_TX 0x00000020
3344 #define MR_LP_ADV_FULL_DUPLEX 0x00000040
3345 #define MR_LP_ADV_HALF_DUPLEX 0x00000080
3346 #define MR_LP_ADV_SYM_PAUSE 0x00000100
3347 #define MR_LP_ADV_ASYM_PAUSE 0x00000200
3348 #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
3349 #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
3350 #define MR_LP_ADV_NEXT_PAGE 0x00001000
3351 #define MR_TOGGLE_RX 0x00002000
3352 #define MR_NP_RX 0x00004000
3354 #define MR_LINK_OK 0x80000000
3356 unsigned long link_time
, cur_time
;
3358 u32 ability_match_cfg
;
3359 int ability_match_count
;
3361 char ability_match
, idle_match
, ack_match
;
3363 u32 txconfig
, rxconfig
;
3364 #define ANEG_CFG_NP 0x00000080
3365 #define ANEG_CFG_ACK 0x00000040
3366 #define ANEG_CFG_RF2 0x00000020
3367 #define ANEG_CFG_RF1 0x00000010
3368 #define ANEG_CFG_PS2 0x00000001
3369 #define ANEG_CFG_PS1 0x00008000
3370 #define ANEG_CFG_HD 0x00004000
3371 #define ANEG_CFG_FD 0x00002000
3372 #define ANEG_CFG_INVAL 0x00001f06
3377 #define ANEG_TIMER_ENAB 2
3378 #define ANEG_FAILED -1
3380 #define ANEG_STATE_SETTLE_TIME 10000
3382 static int tg3_fiber_aneg_smachine(struct tg3
*tp
,
3383 struct tg3_fiber_aneginfo
*ap
)
3386 unsigned long delta
;
3390 if (ap
->state
== ANEG_STATE_UNKNOWN
) {
3394 ap
->ability_match_cfg
= 0;
3395 ap
->ability_match_count
= 0;
3396 ap
->ability_match
= 0;
3402 if (tr32(MAC_STATUS
) & MAC_STATUS_RCVD_CFG
) {
3403 rx_cfg_reg
= tr32(MAC_RX_AUTO_NEG
);
3405 if (rx_cfg_reg
!= ap
->ability_match_cfg
) {
3406 ap
->ability_match_cfg
= rx_cfg_reg
;
3407 ap
->ability_match
= 0;
3408 ap
->ability_match_count
= 0;
3410 if (++ap
->ability_match_count
> 1) {
3411 ap
->ability_match
= 1;
3412 ap
->ability_match_cfg
= rx_cfg_reg
;
3415 if (rx_cfg_reg
& ANEG_CFG_ACK
)
3423 ap
->ability_match_cfg
= 0;
3424 ap
->ability_match_count
= 0;
3425 ap
->ability_match
= 0;
3431 ap
->rxconfig
= rx_cfg_reg
;
3435 case ANEG_STATE_UNKNOWN
:
3436 if (ap
->flags
& (MR_AN_ENABLE
| MR_RESTART_AN
))
3437 ap
->state
= ANEG_STATE_AN_ENABLE
;
3440 case ANEG_STATE_AN_ENABLE
:
3441 ap
->flags
&= ~(MR_AN_COMPLETE
| MR_PAGE_RX
);
3442 if (ap
->flags
& MR_AN_ENABLE
) {
3445 ap
->ability_match_cfg
= 0;
3446 ap
->ability_match_count
= 0;
3447 ap
->ability_match
= 0;
3451 ap
->state
= ANEG_STATE_RESTART_INIT
;
3453 ap
->state
= ANEG_STATE_DISABLE_LINK_OK
;
3457 case ANEG_STATE_RESTART_INIT
:
3458 ap
->link_time
= ap
->cur_time
;
3459 ap
->flags
&= ~(MR_NP_LOADED
);
3461 tw32(MAC_TX_AUTO_NEG
, 0);
3462 tp
->mac_mode
|= MAC_MODE_SEND_CONFIGS
;
3463 tw32_f(MAC_MODE
, tp
->mac_mode
);
3466 ret
= ANEG_TIMER_ENAB
;
3467 ap
->state
= ANEG_STATE_RESTART
;
3470 case ANEG_STATE_RESTART
:
3471 delta
= ap
->cur_time
- ap
->link_time
;
3472 if (delta
> ANEG_STATE_SETTLE_TIME
) {
3473 ap
->state
= ANEG_STATE_ABILITY_DETECT_INIT
;
3475 ret
= ANEG_TIMER_ENAB
;
3479 case ANEG_STATE_DISABLE_LINK_OK
:
3483 case ANEG_STATE_ABILITY_DETECT_INIT
:
3484 ap
->flags
&= ~(MR_TOGGLE_TX
);
3485 ap
->txconfig
= ANEG_CFG_FD
;
3486 flowctrl
= tg3_advert_flowctrl_1000X(tp
->link_config
.flowctrl
);
3487 if (flowctrl
& ADVERTISE_1000XPAUSE
)
3488 ap
->txconfig
|= ANEG_CFG_PS1
;
3489 if (flowctrl
& ADVERTISE_1000XPSE_ASYM
)
3490 ap
->txconfig
|= ANEG_CFG_PS2
;
3491 tw32(MAC_TX_AUTO_NEG
, ap
->txconfig
);
3492 tp
->mac_mode
|= MAC_MODE_SEND_CONFIGS
;
3493 tw32_f(MAC_MODE
, tp
->mac_mode
);
3496 ap
->state
= ANEG_STATE_ABILITY_DETECT
;
3499 case ANEG_STATE_ABILITY_DETECT
:
3500 if (ap
->ability_match
!= 0 && ap
->rxconfig
!= 0) {
3501 ap
->state
= ANEG_STATE_ACK_DETECT_INIT
;
3505 case ANEG_STATE_ACK_DETECT_INIT
:
3506 ap
->txconfig
|= ANEG_CFG_ACK
;
3507 tw32(MAC_TX_AUTO_NEG
, ap
->txconfig
);
3508 tp
->mac_mode
|= MAC_MODE_SEND_CONFIGS
;
3509 tw32_f(MAC_MODE
, tp
->mac_mode
);
3512 ap
->state
= ANEG_STATE_ACK_DETECT
;
3515 case ANEG_STATE_ACK_DETECT
:
3516 if (ap
->ack_match
!= 0) {
3517 if ((ap
->rxconfig
& ~ANEG_CFG_ACK
) ==
3518 (ap
->ability_match_cfg
& ~ANEG_CFG_ACK
)) {
3519 ap
->state
= ANEG_STATE_COMPLETE_ACK_INIT
;
3521 ap
->state
= ANEG_STATE_AN_ENABLE
;
3523 } else if (ap
->ability_match
!= 0 &&
3524 ap
->rxconfig
== 0) {
3525 ap
->state
= ANEG_STATE_AN_ENABLE
;
3529 case ANEG_STATE_COMPLETE_ACK_INIT
:
3530 if (ap
->rxconfig
& ANEG_CFG_INVAL
) {
3534 ap
->flags
&= ~(MR_LP_ADV_FULL_DUPLEX
|
3535 MR_LP_ADV_HALF_DUPLEX
|
3536 MR_LP_ADV_SYM_PAUSE
|
3537 MR_LP_ADV_ASYM_PAUSE
|
3538 MR_LP_ADV_REMOTE_FAULT1
|
3539 MR_LP_ADV_REMOTE_FAULT2
|
3540 MR_LP_ADV_NEXT_PAGE
|
3543 if (ap
->rxconfig
& ANEG_CFG_FD
)
3544 ap
->flags
|= MR_LP_ADV_FULL_DUPLEX
;
3545 if (ap
->rxconfig
& ANEG_CFG_HD
)
3546 ap
->flags
|= MR_LP_ADV_HALF_DUPLEX
;
3547 if (ap
->rxconfig
& ANEG_CFG_PS1
)
3548 ap
->flags
|= MR_LP_ADV_SYM_PAUSE
;
3549 if (ap
->rxconfig
& ANEG_CFG_PS2
)
3550 ap
->flags
|= MR_LP_ADV_ASYM_PAUSE
;
3551 if (ap
->rxconfig
& ANEG_CFG_RF1
)
3552 ap
->flags
|= MR_LP_ADV_REMOTE_FAULT1
;
3553 if (ap
->rxconfig
& ANEG_CFG_RF2
)
3554 ap
->flags
|= MR_LP_ADV_REMOTE_FAULT2
;
3555 if (ap
->rxconfig
& ANEG_CFG_NP
)
3556 ap
->flags
|= MR_LP_ADV_NEXT_PAGE
;
3558 ap
->link_time
= ap
->cur_time
;
3560 ap
->flags
^= (MR_TOGGLE_TX
);
3561 if (ap
->rxconfig
& 0x0008)
3562 ap
->flags
|= MR_TOGGLE_RX
;
3563 if (ap
->rxconfig
& ANEG_CFG_NP
)
3564 ap
->flags
|= MR_NP_RX
;
3565 ap
->flags
|= MR_PAGE_RX
;
3567 ap
->state
= ANEG_STATE_COMPLETE_ACK
;
3568 ret
= ANEG_TIMER_ENAB
;
3571 case ANEG_STATE_COMPLETE_ACK
:
3572 if (ap
->ability_match
!= 0 &&
3573 ap
->rxconfig
== 0) {
3574 ap
->state
= ANEG_STATE_AN_ENABLE
;
3577 delta
= ap
->cur_time
- ap
->link_time
;
3578 if (delta
> ANEG_STATE_SETTLE_TIME
) {
3579 if (!(ap
->flags
& (MR_LP_ADV_NEXT_PAGE
))) {
3580 ap
->state
= ANEG_STATE_IDLE_DETECT_INIT
;
3582 if ((ap
->txconfig
& ANEG_CFG_NP
) == 0 &&
3583 !(ap
->flags
& MR_NP_RX
)) {
3584 ap
->state
= ANEG_STATE_IDLE_DETECT_INIT
;
3592 case ANEG_STATE_IDLE_DETECT_INIT
:
3593 ap
->link_time
= ap
->cur_time
;
3594 tp
->mac_mode
&= ~MAC_MODE_SEND_CONFIGS
;
3595 tw32_f(MAC_MODE
, tp
->mac_mode
);
3598 ap
->state
= ANEG_STATE_IDLE_DETECT
;
3599 ret
= ANEG_TIMER_ENAB
;
3602 case ANEG_STATE_IDLE_DETECT
:
3603 if (ap
->ability_match
!= 0 &&
3604 ap
->rxconfig
== 0) {
3605 ap
->state
= ANEG_STATE_AN_ENABLE
;
3608 delta
= ap
->cur_time
- ap
->link_time
;
3609 if (delta
> ANEG_STATE_SETTLE_TIME
) {
3610 /* XXX another gem from the Broadcom driver :( */
3611 ap
->state
= ANEG_STATE_LINK_OK
;
3615 case ANEG_STATE_LINK_OK
:
3616 ap
->flags
|= (MR_AN_COMPLETE
| MR_LINK_OK
);
3620 case ANEG_STATE_NEXT_PAGE_WAIT_INIT
:
3621 /* ??? unimplemented */
3624 case ANEG_STATE_NEXT_PAGE_WAIT
:
3625 /* ??? unimplemented */
3636 static int fiber_autoneg(struct tg3
*tp
, u32
*txflags
, u32
*rxflags
)
3639 struct tg3_fiber_aneginfo aninfo
;
3640 int status
= ANEG_FAILED
;
3644 tw32_f(MAC_TX_AUTO_NEG
, 0);
3646 tmp
= tp
->mac_mode
& ~MAC_MODE_PORT_MODE_MASK
;
3647 tw32_f(MAC_MODE
, tmp
| MAC_MODE_PORT_MODE_GMII
);
3650 tw32_f(MAC_MODE
, tp
->mac_mode
| MAC_MODE_SEND_CONFIGS
);
3653 memset(&aninfo
, 0, sizeof(aninfo
));
3654 aninfo
.flags
|= MR_AN_ENABLE
;
3655 aninfo
.state
= ANEG_STATE_UNKNOWN
;
3656 aninfo
.cur_time
= 0;
3658 while (++tick
< 195000) {
3659 status
= tg3_fiber_aneg_smachine(tp
, &aninfo
);
3660 if (status
== ANEG_DONE
|| status
== ANEG_FAILED
)
3666 tp
->mac_mode
&= ~MAC_MODE_SEND_CONFIGS
;
3667 tw32_f(MAC_MODE
, tp
->mac_mode
);
3670 *txflags
= aninfo
.txconfig
;
3671 *rxflags
= aninfo
.flags
;
3673 if (status
== ANEG_DONE
&&
3674 (aninfo
.flags
& (MR_AN_COMPLETE
| MR_LINK_OK
|
3675 MR_LP_ADV_FULL_DUPLEX
)))
3681 static void tg3_init_bcm8002(struct tg3
*tp
)
3683 u32 mac_status
= tr32(MAC_STATUS
);
3686 /* Reset when initting first time or we have a link. */
3687 if ((tp
->tg3_flags
& TG3_FLAG_INIT_COMPLETE
) &&
3688 !(mac_status
& MAC_STATUS_PCS_SYNCED
))
3691 /* Set PLL lock range. */
3692 tg3_writephy(tp
, 0x16, 0x8007);
3695 tg3_writephy(tp
, MII_BMCR
, BMCR_RESET
);
3697 /* Wait for reset to complete. */
3698 /* XXX schedule_timeout() ... */
3699 for (i
= 0; i
< 500; i
++)
3702 /* Config mode; select PMA/Ch 1 regs. */
3703 tg3_writephy(tp
, 0x10, 0x8411);
3705 /* Enable auto-lock and comdet, select txclk for tx. */
3706 tg3_writephy(tp
, 0x11, 0x0a10);
3708 tg3_writephy(tp
, 0x18, 0x00a0);
3709 tg3_writephy(tp
, 0x16, 0x41ff);
3711 /* Assert and deassert POR. */
3712 tg3_writephy(tp
, 0x13, 0x0400);
3714 tg3_writephy(tp
, 0x13, 0x0000);
3716 tg3_writephy(tp
, 0x11, 0x0a50);
3718 tg3_writephy(tp
, 0x11, 0x0a10);
3720 /* Wait for signal to stabilize */
3721 /* XXX schedule_timeout() ... */
3722 for (i
= 0; i
< 15000; i
++)
3725 /* Deselect the channel register so we can read the PHYID
3728 tg3_writephy(tp
, 0x10, 0x8011);
3731 static int tg3_setup_fiber_hw_autoneg(struct tg3
*tp
, u32 mac_status
)
3734 u32 sg_dig_ctrl
, sg_dig_status
;
3735 u32 serdes_cfg
, expected_sg_dig_ctrl
;
3736 int workaround
, port_a
;
3737 int current_link_up
;
3740 expected_sg_dig_ctrl
= 0;
3743 current_link_up
= 0;
3745 if (tp
->pci_chip_rev_id
!= CHIPREV_ID_5704_A0
&&
3746 tp
->pci_chip_rev_id
!= CHIPREV_ID_5704_A1
) {
3748 if (tr32(TG3PCI_DUAL_MAC_CTRL
) & DUAL_MAC_CTRL_ID
)
3751 /* preserve bits 0-11,13,14 for signal pre-emphasis */
3752 /* preserve bits 20-23 for voltage regulator */
3753 serdes_cfg
= tr32(MAC_SERDES_CFG
) & 0x00f06fff;
3756 sg_dig_ctrl
= tr32(SG_DIG_CTRL
);
3758 if (tp
->link_config
.autoneg
!= AUTONEG_ENABLE
) {
3759 if (sg_dig_ctrl
& SG_DIG_USING_HW_AUTONEG
) {
3761 u32 val
= serdes_cfg
;
3767 tw32_f(MAC_SERDES_CFG
, val
);
3770 tw32_f(SG_DIG_CTRL
, SG_DIG_COMMON_SETUP
);
3772 if (mac_status
& MAC_STATUS_PCS_SYNCED
) {
3773 tg3_setup_flow_control(tp
, 0, 0);
3774 current_link_up
= 1;
3779 /* Want auto-negotiation. */
3780 expected_sg_dig_ctrl
= SG_DIG_USING_HW_AUTONEG
| SG_DIG_COMMON_SETUP
;
3782 flowctrl
= tg3_advert_flowctrl_1000X(tp
->link_config
.flowctrl
);
3783 if (flowctrl
& ADVERTISE_1000XPAUSE
)
3784 expected_sg_dig_ctrl
|= SG_DIG_PAUSE_CAP
;
3785 if (flowctrl
& ADVERTISE_1000XPSE_ASYM
)
3786 expected_sg_dig_ctrl
|= SG_DIG_ASYM_PAUSE
;
3788 if (sg_dig_ctrl
!= expected_sg_dig_ctrl
) {
3789 if ((tp
->tg3_flags2
& TG3_FLG2_PARALLEL_DETECT
) &&
3790 tp
->serdes_counter
&&
3791 ((mac_status
& (MAC_STATUS_PCS_SYNCED
|
3792 MAC_STATUS_RCVD_CFG
)) ==
3793 MAC_STATUS_PCS_SYNCED
)) {
3794 tp
->serdes_counter
--;
3795 current_link_up
= 1;
3800 tw32_f(MAC_SERDES_CFG
, serdes_cfg
| 0xc011000);
3801 tw32_f(SG_DIG_CTRL
, expected_sg_dig_ctrl
| SG_DIG_SOFT_RESET
);
3803 tw32_f(SG_DIG_CTRL
, expected_sg_dig_ctrl
);
3805 tp
->serdes_counter
= SERDES_AN_TIMEOUT_5704S
;
3806 tp
->tg3_flags2
&= ~TG3_FLG2_PARALLEL_DETECT
;
3807 } else if (mac_status
& (MAC_STATUS_PCS_SYNCED
|
3808 MAC_STATUS_SIGNAL_DET
)) {
3809 sg_dig_status
= tr32(SG_DIG_STATUS
);
3810 mac_status
= tr32(MAC_STATUS
);
3812 if ((sg_dig_status
& SG_DIG_AUTONEG_COMPLETE
) &&
3813 (mac_status
& MAC_STATUS_PCS_SYNCED
)) {
3814 u32 local_adv
= 0, remote_adv
= 0;
3816 if (sg_dig_ctrl
& SG_DIG_PAUSE_CAP
)
3817 local_adv
|= ADVERTISE_1000XPAUSE
;
3818 if (sg_dig_ctrl
& SG_DIG_ASYM_PAUSE
)
3819 local_adv
|= ADVERTISE_1000XPSE_ASYM
;
3821 if (sg_dig_status
& SG_DIG_PARTNER_PAUSE_CAPABLE
)
3822 remote_adv
|= LPA_1000XPAUSE
;
3823 if (sg_dig_status
& SG_DIG_PARTNER_ASYM_PAUSE
)
3824 remote_adv
|= LPA_1000XPAUSE_ASYM
;
3826 tg3_setup_flow_control(tp
, local_adv
, remote_adv
);
3827 current_link_up
= 1;
3828 tp
->serdes_counter
= 0;
3829 tp
->tg3_flags2
&= ~TG3_FLG2_PARALLEL_DETECT
;
3830 } else if (!(sg_dig_status
& SG_DIG_AUTONEG_COMPLETE
)) {
3831 if (tp
->serdes_counter
)
3832 tp
->serdes_counter
--;
3835 u32 val
= serdes_cfg
;
3842 tw32_f(MAC_SERDES_CFG
, val
);
3845 tw32_f(SG_DIG_CTRL
, SG_DIG_COMMON_SETUP
);
3848 /* Link parallel detection - link is up */
3849 /* only if we have PCS_SYNC and not */
3850 /* receiving config code words */
3851 mac_status
= tr32(MAC_STATUS
);
3852 if ((mac_status
& MAC_STATUS_PCS_SYNCED
) &&
3853 !(mac_status
& MAC_STATUS_RCVD_CFG
)) {
3854 tg3_setup_flow_control(tp
, 0, 0);
3855 current_link_up
= 1;
3857 TG3_FLG2_PARALLEL_DETECT
;
3858 tp
->serdes_counter
=
3859 SERDES_PARALLEL_DET_TIMEOUT
;
3861 goto restart_autoneg
;
3865 tp
->serdes_counter
= SERDES_AN_TIMEOUT_5704S
;
3866 tp
->tg3_flags2
&= ~TG3_FLG2_PARALLEL_DETECT
;
3870 return current_link_up
;
3873 static int tg3_setup_fiber_by_hand(struct tg3
*tp
, u32 mac_status
)
3875 int current_link_up
= 0;
3877 if (!(mac_status
& MAC_STATUS_PCS_SYNCED
))
3880 if (tp
->link_config
.autoneg
== AUTONEG_ENABLE
) {
3881 u32 txflags
, rxflags
;
3884 if (fiber_autoneg(tp
, &txflags
, &rxflags
)) {
3885 u32 local_adv
= 0, remote_adv
= 0;
3887 if (txflags
& ANEG_CFG_PS1
)
3888 local_adv
|= ADVERTISE_1000XPAUSE
;
3889 if (txflags
& ANEG_CFG_PS2
)
3890 local_adv
|= ADVERTISE_1000XPSE_ASYM
;
3892 if (rxflags
& MR_LP_ADV_SYM_PAUSE
)
3893 remote_adv
|= LPA_1000XPAUSE
;
3894 if (rxflags
& MR_LP_ADV_ASYM_PAUSE
)
3895 remote_adv
|= LPA_1000XPAUSE_ASYM
;
3897 tg3_setup_flow_control(tp
, local_adv
, remote_adv
);
3899 current_link_up
= 1;
3901 for (i
= 0; i
< 30; i
++) {
3904 (MAC_STATUS_SYNC_CHANGED
|
3905 MAC_STATUS_CFG_CHANGED
));
3907 if ((tr32(MAC_STATUS
) &
3908 (MAC_STATUS_SYNC_CHANGED
|
3909 MAC_STATUS_CFG_CHANGED
)) == 0)
3913 mac_status
= tr32(MAC_STATUS
);
3914 if (current_link_up
== 0 &&
3915 (mac_status
& MAC_STATUS_PCS_SYNCED
) &&
3916 !(mac_status
& MAC_STATUS_RCVD_CFG
))
3917 current_link_up
= 1;
3919 tg3_setup_flow_control(tp
, 0, 0);
3921 /* Forcing 1000FD link up. */
3922 current_link_up
= 1;
3924 tw32_f(MAC_MODE
, (tp
->mac_mode
| MAC_MODE_SEND_CONFIGS
));
3927 tw32_f(MAC_MODE
, tp
->mac_mode
);
3932 return current_link_up
;
3935 static int tg3_setup_fiber_phy(struct tg3
*tp
, int force_reset
)
3938 u16 orig_active_speed
;
3939 u8 orig_active_duplex
;
3941 int current_link_up
;
3944 orig_pause_cfg
= tp
->link_config
.active_flowctrl
;
3945 orig_active_speed
= tp
->link_config
.active_speed
;
3946 orig_active_duplex
= tp
->link_config
.active_duplex
;
3948 if (!(tp
->tg3_flags2
& TG3_FLG2_HW_AUTONEG
) &&
3949 netif_carrier_ok(tp
->dev
) &&
3950 (tp
->tg3_flags
& TG3_FLAG_INIT_COMPLETE
)) {
3951 mac_status
= tr32(MAC_STATUS
);
3952 mac_status
&= (MAC_STATUS_PCS_SYNCED
|
3953 MAC_STATUS_SIGNAL_DET
|
3954 MAC_STATUS_CFG_CHANGED
|
3955 MAC_STATUS_RCVD_CFG
);
3956 if (mac_status
== (MAC_STATUS_PCS_SYNCED
|
3957 MAC_STATUS_SIGNAL_DET
)) {
3958 tw32_f(MAC_STATUS
, (MAC_STATUS_SYNC_CHANGED
|
3959 MAC_STATUS_CFG_CHANGED
));
3964 tw32_f(MAC_TX_AUTO_NEG
, 0);
3966 tp
->mac_mode
&= ~(MAC_MODE_PORT_MODE_MASK
| MAC_MODE_HALF_DUPLEX
);
3967 tp
->mac_mode
|= MAC_MODE_PORT_MODE_TBI
;
3968 tw32_f(MAC_MODE
, tp
->mac_mode
);
3971 if (tp
->phy_id
== PHY_ID_BCM8002
)
3972 tg3_init_bcm8002(tp
);
3974 /* Enable link change event even when serdes polling. */
3975 tw32_f(MAC_EVENT
, MAC_EVENT_LNKSTATE_CHANGED
);
3978 current_link_up
= 0;
3979 mac_status
= tr32(MAC_STATUS
);
3981 if (tp
->tg3_flags2
& TG3_FLG2_HW_AUTONEG
)
3982 current_link_up
= tg3_setup_fiber_hw_autoneg(tp
, mac_status
);
3984 current_link_up
= tg3_setup_fiber_by_hand(tp
, mac_status
);
3986 tp
->napi
[0].hw_status
->status
=
3987 (SD_STATUS_UPDATED
|
3988 (tp
->napi
[0].hw_status
->status
& ~SD_STATUS_LINK_CHG
));
3990 for (i
= 0; i
< 100; i
++) {
3991 tw32_f(MAC_STATUS
, (MAC_STATUS_SYNC_CHANGED
|
3992 MAC_STATUS_CFG_CHANGED
));
3994 if ((tr32(MAC_STATUS
) & (MAC_STATUS_SYNC_CHANGED
|
3995 MAC_STATUS_CFG_CHANGED
|
3996 MAC_STATUS_LNKSTATE_CHANGED
)) == 0)
4000 mac_status
= tr32(MAC_STATUS
);
4001 if ((mac_status
& MAC_STATUS_PCS_SYNCED
) == 0) {
4002 current_link_up
= 0;
4003 if (tp
->link_config
.autoneg
== AUTONEG_ENABLE
&&
4004 tp
->serdes_counter
== 0) {
4005 tw32_f(MAC_MODE
, (tp
->mac_mode
|
4006 MAC_MODE_SEND_CONFIGS
));
4008 tw32_f(MAC_MODE
, tp
->mac_mode
);
4012 if (current_link_up
== 1) {
4013 tp
->link_config
.active_speed
= SPEED_1000
;
4014 tp
->link_config
.active_duplex
= DUPLEX_FULL
;
4015 tw32(MAC_LED_CTRL
, (tp
->led_ctrl
|
4016 LED_CTRL_LNKLED_OVERRIDE
|
4017 LED_CTRL_1000MBPS_ON
));
4019 tp
->link_config
.active_speed
= SPEED_INVALID
;
4020 tp
->link_config
.active_duplex
= DUPLEX_INVALID
;
4021 tw32(MAC_LED_CTRL
, (tp
->led_ctrl
|
4022 LED_CTRL_LNKLED_OVERRIDE
|
4023 LED_CTRL_TRAFFIC_OVERRIDE
));
4026 if (current_link_up
!= netif_carrier_ok(tp
->dev
)) {
4027 if (current_link_up
)
4028 netif_carrier_on(tp
->dev
);
4030 netif_carrier_off(tp
->dev
);
4031 tg3_link_report(tp
);
4033 u32 now_pause_cfg
= tp
->link_config
.active_flowctrl
;
4034 if (orig_pause_cfg
!= now_pause_cfg
||
4035 orig_active_speed
!= tp
->link_config
.active_speed
||
4036 orig_active_duplex
!= tp
->link_config
.active_duplex
)
4037 tg3_link_report(tp
);
4043 static int tg3_setup_fiber_mii_phy(struct tg3
*tp
, int force_reset
)
4045 int current_link_up
, err
= 0;
4049 u32 local_adv
, remote_adv
;
4051 tp
->mac_mode
|= MAC_MODE_PORT_MODE_GMII
;
4052 tw32_f(MAC_MODE
, tp
->mac_mode
);
4058 (MAC_STATUS_SYNC_CHANGED
|
4059 MAC_STATUS_CFG_CHANGED
|
4060 MAC_STATUS_MI_COMPLETION
|
4061 MAC_STATUS_LNKSTATE_CHANGED
));
4067 current_link_up
= 0;
4068 current_speed
= SPEED_INVALID
;
4069 current_duplex
= DUPLEX_INVALID
;
4071 err
|= tg3_readphy(tp
, MII_BMSR
, &bmsr
);
4072 err
|= tg3_readphy(tp
, MII_BMSR
, &bmsr
);
4073 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5714
) {
4074 if (tr32(MAC_TX_STATUS
) & TX_STATUS_LINK_UP
)
4075 bmsr
|= BMSR_LSTATUS
;
4077 bmsr
&= ~BMSR_LSTATUS
;
4080 err
|= tg3_readphy(tp
, MII_BMCR
, &bmcr
);
4082 if ((tp
->link_config
.autoneg
== AUTONEG_ENABLE
) && !force_reset
&&
4083 (tp
->tg3_flags2
& TG3_FLG2_PARALLEL_DETECT
)) {
4084 /* do nothing, just check for link up at the end */
4085 } else if (tp
->link_config
.autoneg
== AUTONEG_ENABLE
) {
4088 err
|= tg3_readphy(tp
, MII_ADVERTISE
, &adv
);
4089 new_adv
= adv
& ~(ADVERTISE_1000XFULL
| ADVERTISE_1000XHALF
|
4090 ADVERTISE_1000XPAUSE
|
4091 ADVERTISE_1000XPSE_ASYM
|
4094 new_adv
|= tg3_advert_flowctrl_1000X(tp
->link_config
.flowctrl
);
4096 if (tp
->link_config
.advertising
& ADVERTISED_1000baseT_Half
)
4097 new_adv
|= ADVERTISE_1000XHALF
;
4098 if (tp
->link_config
.advertising
& ADVERTISED_1000baseT_Full
)
4099 new_adv
|= ADVERTISE_1000XFULL
;
4101 if ((new_adv
!= adv
) || !(bmcr
& BMCR_ANENABLE
)) {
4102 tg3_writephy(tp
, MII_ADVERTISE
, new_adv
);
4103 bmcr
|= BMCR_ANENABLE
| BMCR_ANRESTART
;
4104 tg3_writephy(tp
, MII_BMCR
, bmcr
);
4106 tw32_f(MAC_EVENT
, MAC_EVENT_LNKSTATE_CHANGED
);
4107 tp
->serdes_counter
= SERDES_AN_TIMEOUT_5714S
;
4108 tp
->tg3_flags2
&= ~TG3_FLG2_PARALLEL_DETECT
;
4115 bmcr
&= ~BMCR_SPEED1000
;
4116 new_bmcr
= bmcr
& ~(BMCR_ANENABLE
| BMCR_FULLDPLX
);
4118 if (tp
->link_config
.duplex
== DUPLEX_FULL
)
4119 new_bmcr
|= BMCR_FULLDPLX
;
4121 if (new_bmcr
!= bmcr
) {
4122 /* BMCR_SPEED1000 is a reserved bit that needs
4123 * to be set on write.
4125 new_bmcr
|= BMCR_SPEED1000
;
4127 /* Force a linkdown */
4128 if (netif_carrier_ok(tp
->dev
)) {
4131 err
|= tg3_readphy(tp
, MII_ADVERTISE
, &adv
);
4132 adv
&= ~(ADVERTISE_1000XFULL
|
4133 ADVERTISE_1000XHALF
|
4135 tg3_writephy(tp
, MII_ADVERTISE
, adv
);
4136 tg3_writephy(tp
, MII_BMCR
, bmcr
|
4140 netif_carrier_off(tp
->dev
);
4142 tg3_writephy(tp
, MII_BMCR
, new_bmcr
);
4144 err
|= tg3_readphy(tp
, MII_BMSR
, &bmsr
);
4145 err
|= tg3_readphy(tp
, MII_BMSR
, &bmsr
);
4146 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) ==
4148 if (tr32(MAC_TX_STATUS
) & TX_STATUS_LINK_UP
)
4149 bmsr
|= BMSR_LSTATUS
;
4151 bmsr
&= ~BMSR_LSTATUS
;
4153 tp
->tg3_flags2
&= ~TG3_FLG2_PARALLEL_DETECT
;
4157 if (bmsr
& BMSR_LSTATUS
) {
4158 current_speed
= SPEED_1000
;
4159 current_link_up
= 1;
4160 if (bmcr
& BMCR_FULLDPLX
)
4161 current_duplex
= DUPLEX_FULL
;
4163 current_duplex
= DUPLEX_HALF
;
4168 if (bmcr
& BMCR_ANENABLE
) {
4171 err
|= tg3_readphy(tp
, MII_ADVERTISE
, &local_adv
);
4172 err
|= tg3_readphy(tp
, MII_LPA
, &remote_adv
);
4173 common
= local_adv
& remote_adv
;
4174 if (common
& (ADVERTISE_1000XHALF
|
4175 ADVERTISE_1000XFULL
)) {
4176 if (common
& ADVERTISE_1000XFULL
)
4177 current_duplex
= DUPLEX_FULL
;
4179 current_duplex
= DUPLEX_HALF
;
4182 current_link_up
= 0;
4186 if (current_link_up
== 1 && current_duplex
== DUPLEX_FULL
)
4187 tg3_setup_flow_control(tp
, local_adv
, remote_adv
);
4189 tp
->mac_mode
&= ~MAC_MODE_HALF_DUPLEX
;
4190 if (tp
->link_config
.active_duplex
== DUPLEX_HALF
)
4191 tp
->mac_mode
|= MAC_MODE_HALF_DUPLEX
;
4193 tw32_f(MAC_MODE
, tp
->mac_mode
);
4196 tw32_f(MAC_EVENT
, MAC_EVENT_LNKSTATE_CHANGED
);
4198 tp
->link_config
.active_speed
= current_speed
;
4199 tp
->link_config
.active_duplex
= current_duplex
;
4201 if (current_link_up
!= netif_carrier_ok(tp
->dev
)) {
4202 if (current_link_up
)
4203 netif_carrier_on(tp
->dev
);
4205 netif_carrier_off(tp
->dev
);
4206 tp
->tg3_flags2
&= ~TG3_FLG2_PARALLEL_DETECT
;
4208 tg3_link_report(tp
);
4213 static void tg3_serdes_parallel_detect(struct tg3
*tp
)
4215 if (tp
->serdes_counter
) {
4216 /* Give autoneg time to complete. */
4217 tp
->serdes_counter
--;
4220 if (!netif_carrier_ok(tp
->dev
) &&
4221 (tp
->link_config
.autoneg
== AUTONEG_ENABLE
)) {
4224 tg3_readphy(tp
, MII_BMCR
, &bmcr
);
4225 if (bmcr
& BMCR_ANENABLE
) {
4228 /* Select shadow register 0x1f */
4229 tg3_writephy(tp
, 0x1c, 0x7c00);
4230 tg3_readphy(tp
, 0x1c, &phy1
);
4232 /* Select expansion interrupt status register */
4233 tg3_writephy(tp
, 0x17, 0x0f01);
4234 tg3_readphy(tp
, 0x15, &phy2
);
4235 tg3_readphy(tp
, 0x15, &phy2
);
4237 if ((phy1
& 0x10) && !(phy2
& 0x20)) {
4238 /* We have signal detect and not receiving
4239 * config code words, link is up by parallel
4243 bmcr
&= ~BMCR_ANENABLE
;
4244 bmcr
|= BMCR_SPEED1000
| BMCR_FULLDPLX
;
4245 tg3_writephy(tp
, MII_BMCR
, bmcr
);
4246 tp
->tg3_flags2
|= TG3_FLG2_PARALLEL_DETECT
;
4250 else if (netif_carrier_ok(tp
->dev
) &&
4251 (tp
->link_config
.autoneg
== AUTONEG_ENABLE
) &&
4252 (tp
->tg3_flags2
& TG3_FLG2_PARALLEL_DETECT
)) {
4255 /* Select expansion interrupt status register */
4256 tg3_writephy(tp
, 0x17, 0x0f01);
4257 tg3_readphy(tp
, 0x15, &phy2
);
4261 /* Config code words received, turn on autoneg. */
4262 tg3_readphy(tp
, MII_BMCR
, &bmcr
);
4263 tg3_writephy(tp
, MII_BMCR
, bmcr
| BMCR_ANENABLE
);
4265 tp
->tg3_flags2
&= ~TG3_FLG2_PARALLEL_DETECT
;
4271 static int tg3_setup_phy(struct tg3
*tp
, int force_reset
)
4275 if (tp
->tg3_flags2
& TG3_FLG2_PHY_SERDES
) {
4276 err
= tg3_setup_fiber_phy(tp
, force_reset
);
4277 } else if (tp
->tg3_flags2
& TG3_FLG2_MII_SERDES
) {
4278 err
= tg3_setup_fiber_mii_phy(tp
, force_reset
);
4280 err
= tg3_setup_copper_phy(tp
, force_reset
);
4283 if (GET_CHIP_REV(tp
->pci_chip_rev_id
) == CHIPREV_5784_AX
) {
4286 val
= tr32(TG3_CPMU_CLCK_STAT
) & CPMU_CLCK_STAT_MAC_CLCK_MASK
;
4287 if (val
== CPMU_CLCK_STAT_MAC_CLCK_62_5
)
4289 else if (val
== CPMU_CLCK_STAT_MAC_CLCK_6_25
)
4294 val
= tr32(GRC_MISC_CFG
) & ~GRC_MISC_CFG_PRESCALAR_MASK
;
4295 val
|= (scale
<< GRC_MISC_CFG_PRESCALAR_SHIFT
);
4296 tw32(GRC_MISC_CFG
, val
);
4299 if (tp
->link_config
.active_speed
== SPEED_1000
&&
4300 tp
->link_config
.active_duplex
== DUPLEX_HALF
)
4301 tw32(MAC_TX_LENGTHS
,
4302 ((2 << TX_LENGTHS_IPG_CRS_SHIFT
) |
4303 (6 << TX_LENGTHS_IPG_SHIFT
) |
4304 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT
)));
4306 tw32(MAC_TX_LENGTHS
,
4307 ((2 << TX_LENGTHS_IPG_CRS_SHIFT
) |
4308 (6 << TX_LENGTHS_IPG_SHIFT
) |
4309 (32 << TX_LENGTHS_SLOT_TIME_SHIFT
)));
4311 if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
)) {
4312 if (netif_carrier_ok(tp
->dev
)) {
4313 tw32(HOSTCC_STAT_COAL_TICKS
,
4314 tp
->coal
.stats_block_coalesce_usecs
);
4316 tw32(HOSTCC_STAT_COAL_TICKS
, 0);
4320 if (tp
->tg3_flags
& TG3_FLAG_ASPM_WORKAROUND
) {
4321 u32 val
= tr32(PCIE_PWR_MGMT_THRESH
);
4322 if (!netif_carrier_ok(tp
->dev
))
4323 val
= (val
& ~PCIE_PWR_MGMT_L1_THRESH_MSK
) |
4326 val
|= PCIE_PWR_MGMT_L1_THRESH_MSK
;
4327 tw32(PCIE_PWR_MGMT_THRESH
, val
);
4333 /* This is called whenever we suspect that the system chipset is re-
4334 * ordering the sequence of MMIO to the tx send mailbox. The symptom
4335 * is bogus tx completions. We try to recover by setting the
4336 * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
4339 static void tg3_tx_recover(struct tg3
*tp
)
4341 BUG_ON((tp
->tg3_flags
& TG3_FLAG_MBOX_WRITE_REORDER
) ||
4342 tp
->write32_tx_mbox
== tg3_write_indirect_mbox
);
4344 printk(KERN_WARNING PFX
"%s: The system may be re-ordering memory-"
4345 "mapped I/O cycles to the network device, attempting to "
4346 "recover. Please report the problem to the driver maintainer "
4347 "and include system chipset information.\n", tp
->dev
->name
);
4349 spin_lock(&tp
->lock
);
4350 tp
->tg3_flags
|= TG3_FLAG_TX_RECOVERY_PENDING
;
4351 spin_unlock(&tp
->lock
);
4354 static inline u32
tg3_tx_avail(struct tg3_napi
*tnapi
)
4357 return tnapi
->tx_pending
-
4358 ((tnapi
->tx_prod
- tnapi
->tx_cons
) & (TG3_TX_RING_SIZE
- 1));
4361 /* Tigon3 never reports partial packet sends. So we do not
4362 * need special logic to handle SKBs that have not had all
4363 * of their frags sent yet, like SunGEM does.
4365 static void tg3_tx(struct tg3_napi
*tnapi
)
4367 struct tg3
*tp
= tnapi
->tp
;
4368 u32 hw_idx
= tnapi
->hw_status
->idx
[0].tx_consumer
;
4369 u32 sw_idx
= tnapi
->tx_cons
;
4370 struct netdev_queue
*txq
;
4371 int index
= tnapi
- tp
->napi
;
4373 if (tp
->tg3_flags3
& TG3_FLG3_ENABLE_TSS
)
4376 txq
= netdev_get_tx_queue(tp
->dev
, index
);
4378 while (sw_idx
!= hw_idx
) {
4379 struct ring_info
*ri
= &tnapi
->tx_buffers
[sw_idx
];
4380 struct sk_buff
*skb
= ri
->skb
;
4383 if (unlikely(skb
== NULL
)) {
4388 pci_unmap_single(tp
->pdev
,
4389 pci_unmap_addr(ri
, mapping
),
4395 sw_idx
= NEXT_TX(sw_idx
);
4397 for (i
= 0; i
< skb_shinfo(skb
)->nr_frags
; i
++) {
4398 ri
= &tnapi
->tx_buffers
[sw_idx
];
4399 if (unlikely(ri
->skb
!= NULL
|| sw_idx
== hw_idx
))
4402 pci_unmap_page(tp
->pdev
,
4403 pci_unmap_addr(ri
, mapping
),
4404 skb_shinfo(skb
)->frags
[i
].size
,
4406 sw_idx
= NEXT_TX(sw_idx
);
4411 if (unlikely(tx_bug
)) {
4417 tnapi
->tx_cons
= sw_idx
;
4419 /* Need to make the tx_cons update visible to tg3_start_xmit()
4420 * before checking for netif_queue_stopped(). Without the
4421 * memory barrier, there is a small possibility that tg3_start_xmit()
4422 * will miss it and cause the queue to be stopped forever.
4426 if (unlikely(netif_tx_queue_stopped(txq
) &&
4427 (tg3_tx_avail(tnapi
) > TG3_TX_WAKEUP_THRESH(tnapi
)))) {
4428 __netif_tx_lock(txq
, smp_processor_id());
4429 if (netif_tx_queue_stopped(txq
) &&
4430 (tg3_tx_avail(tnapi
) > TG3_TX_WAKEUP_THRESH(tnapi
)))
4431 netif_tx_wake_queue(txq
);
4432 __netif_tx_unlock(txq
);
4436 static void tg3_rx_skb_free(struct tg3
*tp
, struct ring_info
*ri
, u32 map_sz
)
4441 pci_unmap_single(tp
->pdev
, pci_unmap_addr(ri
, mapping
),
4442 map_sz
, PCI_DMA_FROMDEVICE
);
4443 dev_kfree_skb_any(ri
->skb
);
4447 /* Returns size of skb allocated or < 0 on error.
4449 * We only need to fill in the address because the other members
4450 * of the RX descriptor are invariant, see tg3_init_rings.
4452 * Note the purposeful assymetry of cpu vs. chip accesses. For
4453 * posting buffers we only dirty the first cache line of the RX
4454 * descriptor (containing the address). Whereas for the RX status
4455 * buffers the cpu only reads the last cacheline of the RX descriptor
4456 * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
4458 static int tg3_alloc_rx_skb(struct tg3
*tp
, struct tg3_rx_prodring_set
*tpr
,
4459 u32 opaque_key
, u32 dest_idx_unmasked
)
4461 struct tg3_rx_buffer_desc
*desc
;
4462 struct ring_info
*map
, *src_map
;
4463 struct sk_buff
*skb
;
4465 int skb_size
, dest_idx
;
4468 switch (opaque_key
) {
4469 case RXD_OPAQUE_RING_STD
:
4470 dest_idx
= dest_idx_unmasked
% TG3_RX_RING_SIZE
;
4471 desc
= &tpr
->rx_std
[dest_idx
];
4472 map
= &tpr
->rx_std_buffers
[dest_idx
];
4473 skb_size
= tp
->rx_pkt_map_sz
;
4476 case RXD_OPAQUE_RING_JUMBO
:
4477 dest_idx
= dest_idx_unmasked
% TG3_RX_JUMBO_RING_SIZE
;
4478 desc
= &tpr
->rx_jmb
[dest_idx
].std
;
4479 map
= &tpr
->rx_jmb_buffers
[dest_idx
];
4480 skb_size
= TG3_RX_JMB_MAP_SZ
;
4487 /* Do not overwrite any of the map or rp information
4488 * until we are sure we can commit to a new buffer.
4490 * Callers depend upon this behavior and assume that
4491 * we leave everything unchanged if we fail.
4493 skb
= netdev_alloc_skb(tp
->dev
, skb_size
+ tp
->rx_offset
);
4497 skb_reserve(skb
, tp
->rx_offset
);
4499 mapping
= pci_map_single(tp
->pdev
, skb
->data
, skb_size
,
4500 PCI_DMA_FROMDEVICE
);
4501 if (pci_dma_mapping_error(tp
->pdev
, mapping
)) {
4507 pci_unmap_addr_set(map
, mapping
, mapping
);
4509 desc
->addr_hi
= ((u64
)mapping
>> 32);
4510 desc
->addr_lo
= ((u64
)mapping
& 0xffffffff);
4515 /* We only need to move over in the address because the other
4516 * members of the RX descriptor are invariant. See notes above
4517 * tg3_alloc_rx_skb for full details.
4519 static void tg3_recycle_rx(struct tg3_napi
*tnapi
,
4520 struct tg3_rx_prodring_set
*dpr
,
4521 u32 opaque_key
, int src_idx
,
4522 u32 dest_idx_unmasked
)
4524 struct tg3
*tp
= tnapi
->tp
;
4525 struct tg3_rx_buffer_desc
*src_desc
, *dest_desc
;
4526 struct ring_info
*src_map
, *dest_map
;
4528 struct tg3_rx_prodring_set
*spr
= &tp
->prodring
[0];
4530 switch (opaque_key
) {
4531 case RXD_OPAQUE_RING_STD
:
4532 dest_idx
= dest_idx_unmasked
% TG3_RX_RING_SIZE
;
4533 dest_desc
= &dpr
->rx_std
[dest_idx
];
4534 dest_map
= &dpr
->rx_std_buffers
[dest_idx
];
4535 src_desc
= &spr
->rx_std
[src_idx
];
4536 src_map
= &spr
->rx_std_buffers
[src_idx
];
4539 case RXD_OPAQUE_RING_JUMBO
:
4540 dest_idx
= dest_idx_unmasked
% TG3_RX_JUMBO_RING_SIZE
;
4541 dest_desc
= &dpr
->rx_jmb
[dest_idx
].std
;
4542 dest_map
= &dpr
->rx_jmb_buffers
[dest_idx
];
4543 src_desc
= &spr
->rx_jmb
[src_idx
].std
;
4544 src_map
= &spr
->rx_jmb_buffers
[src_idx
];
4551 dest_map
->skb
= src_map
->skb
;
4552 pci_unmap_addr_set(dest_map
, mapping
,
4553 pci_unmap_addr(src_map
, mapping
));
4554 dest_desc
->addr_hi
= src_desc
->addr_hi
;
4555 dest_desc
->addr_lo
= src_desc
->addr_lo
;
4557 /* Ensure that the update to the skb happens after the physical
4558 * addresses have been transferred to the new BD location.
4562 src_map
->skb
= NULL
;
4565 /* The RX ring scheme is composed of multiple rings which post fresh
4566 * buffers to the chip, and one special ring the chip uses to report
4567 * status back to the host.
4569 * The special ring reports the status of received packets to the
4570 * host. The chip does not write into the original descriptor the
4571 * RX buffer was obtained from. The chip simply takes the original
4572 * descriptor as provided by the host, updates the status and length
4573 * field, then writes this into the next status ring entry.
4575 * Each ring the host uses to post buffers to the chip is described
4576 * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
4577 * it is first placed into the on-chip ram. When the packet's length
4578 * is known, it walks down the TG3_BDINFO entries to select the ring.
4579 * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
4580 * which is within the range of the new packet's length is chosen.
4582 * The "separate ring for rx status" scheme may sound queer, but it makes
4583 * sense from a cache coherency perspective. If only the host writes
4584 * to the buffer post rings, and only the chip writes to the rx status
4585 * rings, then cache lines never move beyond shared-modified state.
4586 * If both the host and chip were to write into the same ring, cache line
4587 * eviction could occur since both entities want it in an exclusive state.
4589 static int tg3_rx(struct tg3_napi
*tnapi
, int budget
)
4591 struct tg3
*tp
= tnapi
->tp
;
4592 u32 work_mask
, rx_std_posted
= 0;
4593 u32 std_prod_idx
, jmb_prod_idx
;
4594 u32 sw_idx
= tnapi
->rx_rcb_ptr
;
4597 struct tg3_rx_prodring_set
*tpr
= tnapi
->prodring
;
4599 hw_idx
= *(tnapi
->rx_rcb_prod_idx
);
4601 * We need to order the read of hw_idx and the read of
4602 * the opaque cookie.
4607 std_prod_idx
= tpr
->rx_std_prod_idx
;
4608 jmb_prod_idx
= tpr
->rx_jmb_prod_idx
;
4609 while (sw_idx
!= hw_idx
&& budget
> 0) {
4610 struct ring_info
*ri
;
4611 struct tg3_rx_buffer_desc
*desc
= &tnapi
->rx_rcb
[sw_idx
];
4613 struct sk_buff
*skb
;
4614 dma_addr_t dma_addr
;
4615 u32 opaque_key
, desc_idx
, *post_ptr
;
4617 desc_idx
= desc
->opaque
& RXD_OPAQUE_INDEX_MASK
;
4618 opaque_key
= desc
->opaque
& RXD_OPAQUE_RING_MASK
;
4619 if (opaque_key
== RXD_OPAQUE_RING_STD
) {
4620 ri
= &tp
->prodring
[0].rx_std_buffers
[desc_idx
];
4621 dma_addr
= pci_unmap_addr(ri
, mapping
);
4623 post_ptr
= &std_prod_idx
;
4625 } else if (opaque_key
== RXD_OPAQUE_RING_JUMBO
) {
4626 ri
= &tp
->prodring
[0].rx_jmb_buffers
[desc_idx
];
4627 dma_addr
= pci_unmap_addr(ri
, mapping
);
4629 post_ptr
= &jmb_prod_idx
;
4631 goto next_pkt_nopost
;
4633 work_mask
|= opaque_key
;
4635 if ((desc
->err_vlan
& RXD_ERR_MASK
) != 0 &&
4636 (desc
->err_vlan
!= RXD_ERR_ODD_NIBBLE_RCVD_MII
)) {
4638 tg3_recycle_rx(tnapi
, tpr
, opaque_key
,
4639 desc_idx
, *post_ptr
);
4641 /* Other statistics kept track of by card. */
4642 tp
->net_stats
.rx_dropped
++;
4646 len
= ((desc
->idx_len
& RXD_LEN_MASK
) >> RXD_LEN_SHIFT
) -
4649 if (len
> RX_COPY_THRESHOLD
&&
4650 tp
->rx_offset
== NET_IP_ALIGN
) {
4651 /* rx_offset will likely not equal NET_IP_ALIGN
4652 * if this is a 5701 card running in PCI-X mode
4653 * [see tg3_get_invariants()]
4657 skb_size
= tg3_alloc_rx_skb(tp
, tpr
, opaque_key
,
4662 pci_unmap_single(tp
->pdev
, dma_addr
, skb_size
,
4663 PCI_DMA_FROMDEVICE
);
4665 /* Ensure that the update to the skb happens
4666 * after the usage of the old DMA mapping.
4674 struct sk_buff
*copy_skb
;
4676 tg3_recycle_rx(tnapi
, tpr
, opaque_key
,
4677 desc_idx
, *post_ptr
);
4679 copy_skb
= netdev_alloc_skb(tp
->dev
,
4680 len
+ TG3_RAW_IP_ALIGN
);
4681 if (copy_skb
== NULL
)
4682 goto drop_it_no_recycle
;
4684 skb_reserve(copy_skb
, TG3_RAW_IP_ALIGN
);
4685 skb_put(copy_skb
, len
);
4686 pci_dma_sync_single_for_cpu(tp
->pdev
, dma_addr
, len
, PCI_DMA_FROMDEVICE
);
4687 skb_copy_from_linear_data(skb
, copy_skb
->data
, len
);
4688 pci_dma_sync_single_for_device(tp
->pdev
, dma_addr
, len
, PCI_DMA_FROMDEVICE
);
4690 /* We'll reuse the original ring buffer. */
4694 if ((tp
->tg3_flags
& TG3_FLAG_RX_CHECKSUMS
) &&
4695 (desc
->type_flags
& RXD_FLAG_TCPUDP_CSUM
) &&
4696 (((desc
->ip_tcp_csum
& RXD_TCPCSUM_MASK
)
4697 >> RXD_TCPCSUM_SHIFT
) == 0xffff))
4698 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
4700 skb
->ip_summed
= CHECKSUM_NONE
;
4702 skb
->protocol
= eth_type_trans(skb
, tp
->dev
);
4704 if (len
> (tp
->dev
->mtu
+ ETH_HLEN
) &&
4705 skb
->protocol
!= htons(ETH_P_8021Q
)) {
4710 #if TG3_VLAN_TAG_USED
4711 if (tp
->vlgrp
!= NULL
&&
4712 desc
->type_flags
& RXD_FLAG_VLAN
) {
4713 vlan_gro_receive(&tnapi
->napi
, tp
->vlgrp
,
4714 desc
->err_vlan
& RXD_VLAN_MASK
, skb
);
4717 napi_gro_receive(&tnapi
->napi
, skb
);
4725 if (unlikely(rx_std_posted
>= tp
->rx_std_max_post
)) {
4726 tpr
->rx_std_prod_idx
= std_prod_idx
% TG3_RX_RING_SIZE
;
4727 tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG
,
4728 tpr
->rx_std_prod_idx
);
4729 work_mask
&= ~RXD_OPAQUE_RING_STD
;
4734 sw_idx
&= (TG3_RX_RCB_RING_SIZE(tp
) - 1);
4736 /* Refresh hw_idx to see if there is new work */
4737 if (sw_idx
== hw_idx
) {
4738 hw_idx
= *(tnapi
->rx_rcb_prod_idx
);
4743 /* ACK the status ring. */
4744 tnapi
->rx_rcb_ptr
= sw_idx
;
4745 tw32_rx_mbox(tnapi
->consmbox
, sw_idx
);
4747 /* Refill RX ring(s). */
4748 if (!(tp
->tg3_flags3
& TG3_FLG3_ENABLE_RSS
)) {
4749 if (work_mask
& RXD_OPAQUE_RING_STD
) {
4750 tpr
->rx_std_prod_idx
= std_prod_idx
% TG3_RX_RING_SIZE
;
4751 tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG
,
4752 tpr
->rx_std_prod_idx
);
4754 if (work_mask
& RXD_OPAQUE_RING_JUMBO
) {
4755 tpr
->rx_jmb_prod_idx
= jmb_prod_idx
%
4756 TG3_RX_JUMBO_RING_SIZE
;
4757 tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG
,
4758 tpr
->rx_jmb_prod_idx
);
4761 } else if (work_mask
) {
4762 /* rx_std_buffers[] and rx_jmb_buffers[] entries must be
4763 * updated before the producer indices can be updated.
4767 tpr
->rx_std_prod_idx
= std_prod_idx
% TG3_RX_RING_SIZE
;
4768 tpr
->rx_jmb_prod_idx
= jmb_prod_idx
% TG3_RX_JUMBO_RING_SIZE
;
4770 if (tnapi
!= &tp
->napi
[1])
4771 napi_schedule(&tp
->napi
[1].napi
);
4777 static void tg3_poll_link(struct tg3
*tp
)
4779 /* handle link change and other phy events */
4780 if (!(tp
->tg3_flags
&
4781 (TG3_FLAG_USE_LINKCHG_REG
|
4782 TG3_FLAG_POLL_SERDES
))) {
4783 struct tg3_hw_status
*sblk
= tp
->napi
[0].hw_status
;
4785 if (sblk
->status
& SD_STATUS_LINK_CHG
) {
4786 sblk
->status
= SD_STATUS_UPDATED
|
4787 (sblk
->status
& ~SD_STATUS_LINK_CHG
);
4788 spin_lock(&tp
->lock
);
4789 if (tp
->tg3_flags3
& TG3_FLG3_USE_PHYLIB
) {
4791 (MAC_STATUS_SYNC_CHANGED
|
4792 MAC_STATUS_CFG_CHANGED
|
4793 MAC_STATUS_MI_COMPLETION
|
4794 MAC_STATUS_LNKSTATE_CHANGED
));
4797 tg3_setup_phy(tp
, 0);
4798 spin_unlock(&tp
->lock
);
4803 static int tg3_rx_prodring_xfer(struct tg3
*tp
,
4804 struct tg3_rx_prodring_set
*dpr
,
4805 struct tg3_rx_prodring_set
*spr
)
4807 u32 si
, di
, cpycnt
, src_prod_idx
;
4811 src_prod_idx
= spr
->rx_std_prod_idx
;
4813 /* Make sure updates to the rx_std_buffers[] entries and the
4814 * standard producer index are seen in the correct order.
4818 if (spr
->rx_std_cons_idx
== src_prod_idx
)
4821 if (spr
->rx_std_cons_idx
< src_prod_idx
)
4822 cpycnt
= src_prod_idx
- spr
->rx_std_cons_idx
;
4824 cpycnt
= TG3_RX_RING_SIZE
- spr
->rx_std_cons_idx
;
4826 cpycnt
= min(cpycnt
, TG3_RX_RING_SIZE
- dpr
->rx_std_prod_idx
);
4828 si
= spr
->rx_std_cons_idx
;
4829 di
= dpr
->rx_std_prod_idx
;
4831 for (i
= di
; i
< di
+ cpycnt
; i
++) {
4832 if (dpr
->rx_std_buffers
[i
].skb
) {
4842 /* Ensure that updates to the rx_std_buffers ring and the
4843 * shadowed hardware producer ring from tg3_recycle_skb() are
4844 * ordered correctly WRT the skb check above.
4848 memcpy(&dpr
->rx_std_buffers
[di
],
4849 &spr
->rx_std_buffers
[si
],
4850 cpycnt
* sizeof(struct ring_info
));
4852 for (i
= 0; i
< cpycnt
; i
++, di
++, si
++) {
4853 struct tg3_rx_buffer_desc
*sbd
, *dbd
;
4854 sbd
= &spr
->rx_std
[si
];
4855 dbd
= &dpr
->rx_std
[di
];
4856 dbd
->addr_hi
= sbd
->addr_hi
;
4857 dbd
->addr_lo
= sbd
->addr_lo
;
4860 spr
->rx_std_cons_idx
= (spr
->rx_std_cons_idx
+ cpycnt
) %
4862 dpr
->rx_std_prod_idx
= (dpr
->rx_std_prod_idx
+ cpycnt
) %
4867 src_prod_idx
= spr
->rx_jmb_prod_idx
;
4869 /* Make sure updates to the rx_jmb_buffers[] entries and
4870 * the jumbo producer index are seen in the correct order.
4874 if (spr
->rx_jmb_cons_idx
== src_prod_idx
)
4877 if (spr
->rx_jmb_cons_idx
< src_prod_idx
)
4878 cpycnt
= src_prod_idx
- spr
->rx_jmb_cons_idx
;
4880 cpycnt
= TG3_RX_JUMBO_RING_SIZE
- spr
->rx_jmb_cons_idx
;
4882 cpycnt
= min(cpycnt
,
4883 TG3_RX_JUMBO_RING_SIZE
- dpr
->rx_jmb_prod_idx
);
4885 si
= spr
->rx_jmb_cons_idx
;
4886 di
= dpr
->rx_jmb_prod_idx
;
4888 for (i
= di
; i
< di
+ cpycnt
; i
++) {
4889 if (dpr
->rx_jmb_buffers
[i
].skb
) {
4899 /* Ensure that updates to the rx_jmb_buffers ring and the
4900 * shadowed hardware producer ring from tg3_recycle_skb() are
4901 * ordered correctly WRT the skb check above.
4905 memcpy(&dpr
->rx_jmb_buffers
[di
],
4906 &spr
->rx_jmb_buffers
[si
],
4907 cpycnt
* sizeof(struct ring_info
));
4909 for (i
= 0; i
< cpycnt
; i
++, di
++, si
++) {
4910 struct tg3_rx_buffer_desc
*sbd
, *dbd
;
4911 sbd
= &spr
->rx_jmb
[si
].std
;
4912 dbd
= &dpr
->rx_jmb
[di
].std
;
4913 dbd
->addr_hi
= sbd
->addr_hi
;
4914 dbd
->addr_lo
= sbd
->addr_lo
;
4917 spr
->rx_jmb_cons_idx
= (spr
->rx_jmb_cons_idx
+ cpycnt
) %
4918 TG3_RX_JUMBO_RING_SIZE
;
4919 dpr
->rx_jmb_prod_idx
= (dpr
->rx_jmb_prod_idx
+ cpycnt
) %
4920 TG3_RX_JUMBO_RING_SIZE
;
4926 static int tg3_poll_work(struct tg3_napi
*tnapi
, int work_done
, int budget
)
4928 struct tg3
*tp
= tnapi
->tp
;
4930 /* run TX completion thread */
4931 if (tnapi
->hw_status
->idx
[0].tx_consumer
!= tnapi
->tx_cons
) {
4933 if (unlikely(tp
->tg3_flags
& TG3_FLAG_TX_RECOVERY_PENDING
))
4937 /* run RX thread, within the bounds set by NAPI.
4938 * All RX "locking" is done by ensuring outside
4939 * code synchronizes with tg3->napi.poll()
4941 if (*(tnapi
->rx_rcb_prod_idx
) != tnapi
->rx_rcb_ptr
)
4942 work_done
+= tg3_rx(tnapi
, budget
- work_done
);
4944 if ((tp
->tg3_flags3
& TG3_FLG3_ENABLE_RSS
) && tnapi
== &tp
->napi
[1]) {
4945 struct tg3_rx_prodring_set
*dpr
= &tp
->prodring
[0];
4947 u32 std_prod_idx
= dpr
->rx_std_prod_idx
;
4948 u32 jmb_prod_idx
= dpr
->rx_jmb_prod_idx
;
4950 for (i
= 1; i
< tp
->irq_cnt
; i
++)
4951 err
|= tg3_rx_prodring_xfer(tp
, dpr
,
4952 tp
->napi
[i
].prodring
);
4956 if (std_prod_idx
!= dpr
->rx_std_prod_idx
)
4957 tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG
,
4958 dpr
->rx_std_prod_idx
);
4960 if (jmb_prod_idx
!= dpr
->rx_jmb_prod_idx
)
4961 tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG
,
4962 dpr
->rx_jmb_prod_idx
);
4967 tw32_f(HOSTCC_MODE
, tp
->coal_now
);
4973 static int tg3_poll_msix(struct napi_struct
*napi
, int budget
)
4975 struct tg3_napi
*tnapi
= container_of(napi
, struct tg3_napi
, napi
);
4976 struct tg3
*tp
= tnapi
->tp
;
4978 struct tg3_hw_status
*sblk
= tnapi
->hw_status
;
4981 work_done
= tg3_poll_work(tnapi
, work_done
, budget
);
4983 if (unlikely(tp
->tg3_flags
& TG3_FLAG_TX_RECOVERY_PENDING
))
4986 if (unlikely(work_done
>= budget
))
4989 /* tp->last_tag is used in tg3_restart_ints() below
4990 * to tell the hw how much work has been processed,
4991 * so we must read it before checking for more work.
4993 tnapi
->last_tag
= sblk
->status_tag
;
4994 tnapi
->last_irq_tag
= tnapi
->last_tag
;
4997 /* check for RX/TX work to do */
4998 if (sblk
->idx
[0].tx_consumer
== tnapi
->tx_cons
&&
4999 *(tnapi
->rx_rcb_prod_idx
) == tnapi
->rx_rcb_ptr
) {
5000 napi_complete(napi
);
5001 /* Reenable interrupts. */
5002 tw32_mailbox(tnapi
->int_mbox
, tnapi
->last_tag
<< 24);
5011 /* work_done is guaranteed to be less than budget. */
5012 napi_complete(napi
);
5013 schedule_work(&tp
->reset_task
);
5017 static int tg3_poll(struct napi_struct
*napi
, int budget
)
5019 struct tg3_napi
*tnapi
= container_of(napi
, struct tg3_napi
, napi
);
5020 struct tg3
*tp
= tnapi
->tp
;
5022 struct tg3_hw_status
*sblk
= tnapi
->hw_status
;
5027 work_done
= tg3_poll_work(tnapi
, work_done
, budget
);
5029 if (unlikely(tp
->tg3_flags
& TG3_FLAG_TX_RECOVERY_PENDING
))
5032 if (unlikely(work_done
>= budget
))
5035 if (tp
->tg3_flags
& TG3_FLAG_TAGGED_STATUS
) {
5036 /* tp->last_tag is used in tg3_int_reenable() below
5037 * to tell the hw how much work has been processed,
5038 * so we must read it before checking for more work.
5040 tnapi
->last_tag
= sblk
->status_tag
;
5041 tnapi
->last_irq_tag
= tnapi
->last_tag
;
5044 sblk
->status
&= ~SD_STATUS_UPDATED
;
5046 if (likely(!tg3_has_work(tnapi
))) {
5047 napi_complete(napi
);
5048 tg3_int_reenable(tnapi
);
5056 /* work_done is guaranteed to be less than budget. */
5057 napi_complete(napi
);
5058 schedule_work(&tp
->reset_task
);
5062 static void tg3_irq_quiesce(struct tg3
*tp
)
5066 BUG_ON(tp
->irq_sync
);
5071 for (i
= 0; i
< tp
->irq_cnt
; i
++)
5072 synchronize_irq(tp
->napi
[i
].irq_vec
);
5075 static inline int tg3_irq_sync(struct tg3
*tp
)
5077 return tp
->irq_sync
;
5080 /* Fully shutdown all tg3 driver activity elsewhere in the system.
5081 * If irq_sync is non-zero, then the IRQ handler must be synchronized
5082 * with as well. Most of the time, this is not necessary except when
5083 * shutting down the device.
5085 static inline void tg3_full_lock(struct tg3
*tp
, int irq_sync
)
5087 spin_lock_bh(&tp
->lock
);
5089 tg3_irq_quiesce(tp
);
5092 static inline void tg3_full_unlock(struct tg3
*tp
)
5094 spin_unlock_bh(&tp
->lock
);
5097 /* One-shot MSI handler - Chip automatically disables interrupt
5098 * after sending MSI so driver doesn't have to do it.
5100 static irqreturn_t
tg3_msi_1shot(int irq
, void *dev_id
)
5102 struct tg3_napi
*tnapi
= dev_id
;
5103 struct tg3
*tp
= tnapi
->tp
;
5105 prefetch(tnapi
->hw_status
);
5107 prefetch(&tnapi
->rx_rcb
[tnapi
->rx_rcb_ptr
]);
5109 if (likely(!tg3_irq_sync(tp
)))
5110 napi_schedule(&tnapi
->napi
);
5115 /* MSI ISR - No need to check for interrupt sharing and no need to
5116 * flush status block and interrupt mailbox. PCI ordering rules
5117 * guarantee that MSI will arrive after the status block.
5119 static irqreturn_t
tg3_msi(int irq
, void *dev_id
)
5121 struct tg3_napi
*tnapi
= dev_id
;
5122 struct tg3
*tp
= tnapi
->tp
;
5124 prefetch(tnapi
->hw_status
);
5126 prefetch(&tnapi
->rx_rcb
[tnapi
->rx_rcb_ptr
]);
5128 * Writing any value to intr-mbox-0 clears PCI INTA# and
5129 * chip-internal interrupt pending events.
5130 * Writing non-zero to intr-mbox-0 additional tells the
5131 * NIC to stop sending us irqs, engaging "in-intr-handler"
5134 tw32_mailbox(MAILBOX_INTERRUPT_0
+ TG3_64BIT_REG_LOW
, 0x00000001);
5135 if (likely(!tg3_irq_sync(tp
)))
5136 napi_schedule(&tnapi
->napi
);
5138 return IRQ_RETVAL(1);
5141 static irqreturn_t
tg3_interrupt(int irq
, void *dev_id
)
5143 struct tg3_napi
*tnapi
= dev_id
;
5144 struct tg3
*tp
= tnapi
->tp
;
5145 struct tg3_hw_status
*sblk
= tnapi
->hw_status
;
5146 unsigned int handled
= 1;
5148 /* In INTx mode, it is possible for the interrupt to arrive at
5149 * the CPU before the status block posted prior to the interrupt.
5150 * Reading the PCI State register will confirm whether the
5151 * interrupt is ours and will flush the status block.
5153 if (unlikely(!(sblk
->status
& SD_STATUS_UPDATED
))) {
5154 if ((tp
->tg3_flags
& TG3_FLAG_CHIP_RESETTING
) ||
5155 (tr32(TG3PCI_PCISTATE
) & PCISTATE_INT_NOT_ACTIVE
)) {
5162 * Writing any value to intr-mbox-0 clears PCI INTA# and
5163 * chip-internal interrupt pending events.
5164 * Writing non-zero to intr-mbox-0 additional tells the
5165 * NIC to stop sending us irqs, engaging "in-intr-handler"
5168 * Flush the mailbox to de-assert the IRQ immediately to prevent
5169 * spurious interrupts. The flush impacts performance but
5170 * excessive spurious interrupts can be worse in some cases.
5172 tw32_mailbox_f(MAILBOX_INTERRUPT_0
+ TG3_64BIT_REG_LOW
, 0x00000001);
5173 if (tg3_irq_sync(tp
))
5175 sblk
->status
&= ~SD_STATUS_UPDATED
;
5176 if (likely(tg3_has_work(tnapi
))) {
5177 prefetch(&tnapi
->rx_rcb
[tnapi
->rx_rcb_ptr
]);
5178 napi_schedule(&tnapi
->napi
);
5180 /* No work, shared interrupt perhaps? re-enable
5181 * interrupts, and flush that PCI write
5183 tw32_mailbox_f(MAILBOX_INTERRUPT_0
+ TG3_64BIT_REG_LOW
,
5187 return IRQ_RETVAL(handled
);
5190 static irqreturn_t
tg3_interrupt_tagged(int irq
, void *dev_id
)
5192 struct tg3_napi
*tnapi
= dev_id
;
5193 struct tg3
*tp
= tnapi
->tp
;
5194 struct tg3_hw_status
*sblk
= tnapi
->hw_status
;
5195 unsigned int handled
= 1;
5197 /* In INTx mode, it is possible for the interrupt to arrive at
5198 * the CPU before the status block posted prior to the interrupt.
5199 * Reading the PCI State register will confirm whether the
5200 * interrupt is ours and will flush the status block.
5202 if (unlikely(sblk
->status_tag
== tnapi
->last_irq_tag
)) {
5203 if ((tp
->tg3_flags
& TG3_FLAG_CHIP_RESETTING
) ||
5204 (tr32(TG3PCI_PCISTATE
) & PCISTATE_INT_NOT_ACTIVE
)) {
5211 * writing any value to intr-mbox-0 clears PCI INTA# and
5212 * chip-internal interrupt pending events.
5213 * writing non-zero to intr-mbox-0 additional tells the
5214 * NIC to stop sending us irqs, engaging "in-intr-handler"
5217 * Flush the mailbox to de-assert the IRQ immediately to prevent
5218 * spurious interrupts. The flush impacts performance but
5219 * excessive spurious interrupts can be worse in some cases.
5221 tw32_mailbox_f(MAILBOX_INTERRUPT_0
+ TG3_64BIT_REG_LOW
, 0x00000001);
5224 * In a shared interrupt configuration, sometimes other devices'
5225 * interrupts will scream. We record the current status tag here
5226 * so that the above check can report that the screaming interrupts
5227 * are unhandled. Eventually they will be silenced.
5229 tnapi
->last_irq_tag
= sblk
->status_tag
;
5231 if (tg3_irq_sync(tp
))
5234 prefetch(&tnapi
->rx_rcb
[tnapi
->rx_rcb_ptr
]);
5236 napi_schedule(&tnapi
->napi
);
5239 return IRQ_RETVAL(handled
);
5242 /* ISR for interrupt test */
5243 static irqreturn_t
tg3_test_isr(int irq
, void *dev_id
)
5245 struct tg3_napi
*tnapi
= dev_id
;
5246 struct tg3
*tp
= tnapi
->tp
;
5247 struct tg3_hw_status
*sblk
= tnapi
->hw_status
;
5249 if ((sblk
->status
& SD_STATUS_UPDATED
) ||
5250 !(tr32(TG3PCI_PCISTATE
) & PCISTATE_INT_NOT_ACTIVE
)) {
5251 tg3_disable_ints(tp
);
5252 return IRQ_RETVAL(1);
5254 return IRQ_RETVAL(0);
5257 static int tg3_init_hw(struct tg3
*, int);
5258 static int tg3_halt(struct tg3
*, int, int);
5260 /* Restart hardware after configuration changes, self-test, etc.
5261 * Invoked with tp->lock held.
5263 static int tg3_restart_hw(struct tg3
*tp
, int reset_phy
)
5264 __releases(tp
->lock
)
5265 __acquires(tp
->lock
)
5269 err
= tg3_init_hw(tp
, reset_phy
);
5271 printk(KERN_ERR PFX
"%s: Failed to re-initialize device, "
5272 "aborting.\n", tp
->dev
->name
);
5273 tg3_halt(tp
, RESET_KIND_SHUTDOWN
, 1);
5274 tg3_full_unlock(tp
);
5275 del_timer_sync(&tp
->timer
);
5277 tg3_napi_enable(tp
);
5279 tg3_full_lock(tp
, 0);
5284 #ifdef CONFIG_NET_POLL_CONTROLLER
5285 static void tg3_poll_controller(struct net_device
*dev
)
5288 struct tg3
*tp
= netdev_priv(dev
);
5290 for (i
= 0; i
< tp
->irq_cnt
; i
++)
5291 tg3_interrupt(tp
->napi
[i
].irq_vec
, dev
);
5295 static void tg3_reset_task(struct work_struct
*work
)
5297 struct tg3
*tp
= container_of(work
, struct tg3
, reset_task
);
5299 unsigned int restart_timer
;
5301 tg3_full_lock(tp
, 0);
5303 if (!netif_running(tp
->dev
)) {
5304 tg3_full_unlock(tp
);
5308 tg3_full_unlock(tp
);
5314 tg3_full_lock(tp
, 1);
5316 restart_timer
= tp
->tg3_flags2
& TG3_FLG2_RESTART_TIMER
;
5317 tp
->tg3_flags2
&= ~TG3_FLG2_RESTART_TIMER
;
5319 if (tp
->tg3_flags
& TG3_FLAG_TX_RECOVERY_PENDING
) {
5320 tp
->write32_tx_mbox
= tg3_write32_tx_mbox
;
5321 tp
->write32_rx_mbox
= tg3_write_flush_reg32
;
5322 tp
->tg3_flags
|= TG3_FLAG_MBOX_WRITE_REORDER
;
5323 tp
->tg3_flags
&= ~TG3_FLAG_TX_RECOVERY_PENDING
;
5326 tg3_halt(tp
, RESET_KIND_SHUTDOWN
, 0);
5327 err
= tg3_init_hw(tp
, 1);
5331 tg3_netif_start(tp
);
5334 mod_timer(&tp
->timer
, jiffies
+ 1);
5337 tg3_full_unlock(tp
);
5343 static void tg3_dump_short_state(struct tg3
*tp
)
5345 printk(KERN_ERR PFX
"DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
5346 tr32(MAC_TX_STATUS
), tr32(MAC_RX_STATUS
));
5347 printk(KERN_ERR PFX
"DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
5348 tr32(RDMAC_STATUS
), tr32(WDMAC_STATUS
));
5351 static void tg3_tx_timeout(struct net_device
*dev
)
5353 struct tg3
*tp
= netdev_priv(dev
);
5355 if (netif_msg_tx_err(tp
)) {
5356 printk(KERN_ERR PFX
"%s: transmit timed out, resetting\n",
5358 tg3_dump_short_state(tp
);
5361 schedule_work(&tp
->reset_task
);
5364 /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
5365 static inline int tg3_4g_overflow_test(dma_addr_t mapping
, int len
)
5367 u32 base
= (u32
) mapping
& 0xffffffff;
5369 return ((base
> 0xffffdcc0) &&
5370 (base
+ len
+ 8 < base
));
5373 /* Test for DMA addresses > 40-bit */
5374 static inline int tg3_40bit_overflow_test(struct tg3
*tp
, dma_addr_t mapping
,
5377 #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
5378 if (tp
->tg3_flags
& TG3_FLAG_40BIT_DMA_BUG
)
5379 return (((u64
) mapping
+ len
) > DMA_BIT_MASK(40));
5386 static void tg3_set_txd(struct tg3_napi
*, int, dma_addr_t
, int, u32
, u32
);
5388 /* Workaround 4GB and 40-bit hardware DMA bugs. */
5389 static int tigon3_dma_hwbug_workaround(struct tg3_napi
*tnapi
,
5390 struct sk_buff
*skb
, u32 last_plus_one
,
5391 u32
*start
, u32 base_flags
, u32 mss
)
5393 struct tg3
*tp
= tnapi
->tp
;
5394 struct sk_buff
*new_skb
;
5395 dma_addr_t new_addr
= 0;
5399 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5701
)
5400 new_skb
= skb_copy(skb
, GFP_ATOMIC
);
5402 int more_headroom
= 4 - ((unsigned long)skb
->data
& 3);
5404 new_skb
= skb_copy_expand(skb
,
5405 skb_headroom(skb
) + more_headroom
,
5406 skb_tailroom(skb
), GFP_ATOMIC
);
5412 /* New SKB is guaranteed to be linear. */
5414 new_addr
= pci_map_single(tp
->pdev
, new_skb
->data
, new_skb
->len
,
5416 /* Make sure the mapping succeeded */
5417 if (pci_dma_mapping_error(tp
->pdev
, new_addr
)) {
5419 dev_kfree_skb(new_skb
);
5422 /* Make sure new skb does not cross any 4G boundaries.
5423 * Drop the packet if it does.
5425 } else if ((tp
->tg3_flags3
& TG3_FLG3_4G_DMA_BNDRY_BUG
) &&
5426 tg3_4g_overflow_test(new_addr
, new_skb
->len
)) {
5427 pci_unmap_single(tp
->pdev
, new_addr
, new_skb
->len
,
5430 dev_kfree_skb(new_skb
);
5433 tg3_set_txd(tnapi
, entry
, new_addr
, new_skb
->len
,
5434 base_flags
, 1 | (mss
<< 1));
5435 *start
= NEXT_TX(entry
);
5439 /* Now clean up the sw ring entries. */
5441 while (entry
!= last_plus_one
) {
5445 len
= skb_headlen(skb
);
5447 len
= skb_shinfo(skb
)->frags
[i
-1].size
;
5449 pci_unmap_single(tp
->pdev
,
5450 pci_unmap_addr(&tnapi
->tx_buffers
[entry
],
5452 len
, PCI_DMA_TODEVICE
);
5454 tnapi
->tx_buffers
[entry
].skb
= new_skb
;
5455 pci_unmap_addr_set(&tnapi
->tx_buffers
[entry
], mapping
,
5458 tnapi
->tx_buffers
[entry
].skb
= NULL
;
5460 entry
= NEXT_TX(entry
);
5469 static void tg3_set_txd(struct tg3_napi
*tnapi
, int entry
,
5470 dma_addr_t mapping
, int len
, u32 flags
,
5473 struct tg3_tx_buffer_desc
*txd
= &tnapi
->tx_ring
[entry
];
5474 int is_end
= (mss_and_is_end
& 0x1);
5475 u32 mss
= (mss_and_is_end
>> 1);
5479 flags
|= TXD_FLAG_END
;
5480 if (flags
& TXD_FLAG_VLAN
) {
5481 vlan_tag
= flags
>> 16;
5484 vlan_tag
|= (mss
<< TXD_MSS_SHIFT
);
5486 txd
->addr_hi
= ((u64
) mapping
>> 32);
5487 txd
->addr_lo
= ((u64
) mapping
& 0xffffffff);
5488 txd
->len_flags
= (len
<< TXD_LEN_SHIFT
) | flags
;
5489 txd
->vlan_tag
= vlan_tag
<< TXD_VLAN_TAG_SHIFT
;
5492 /* hard_start_xmit for devices that don't have any bugs and
5493 * support TG3_FLG2_HW_TSO_2 and TG3_FLG2_HW_TSO_3 only.
5495 static netdev_tx_t
tg3_start_xmit(struct sk_buff
*skb
,
5496 struct net_device
*dev
)
5498 struct tg3
*tp
= netdev_priv(dev
);
5499 u32 len
, entry
, base_flags
, mss
;
5501 struct tg3_napi
*tnapi
;
5502 struct netdev_queue
*txq
;
5503 unsigned int i
, last
;
5506 txq
= netdev_get_tx_queue(dev
, skb_get_queue_mapping(skb
));
5507 tnapi
= &tp
->napi
[skb_get_queue_mapping(skb
)];
5508 if (tp
->tg3_flags3
& TG3_FLG3_ENABLE_TSS
)
5511 /* We are running in BH disabled context with netif_tx_lock
5512 * and TX reclaim runs via tp->napi.poll inside of a software
5513 * interrupt. Furthermore, IRQ processing runs lockless so we have
5514 * no IRQ context deadlocks to worry about either. Rejoice!
5516 if (unlikely(tg3_tx_avail(tnapi
) <= (skb_shinfo(skb
)->nr_frags
+ 1))) {
5517 if (!netif_tx_queue_stopped(txq
)) {
5518 netif_tx_stop_queue(txq
);
5520 /* This is a hard error, log it. */
5521 printk(KERN_ERR PFX
"%s: BUG! Tx Ring full when "
5522 "queue awake!\n", dev
->name
);
5524 return NETDEV_TX_BUSY
;
5527 entry
= tnapi
->tx_prod
;
5530 if ((mss
= skb_shinfo(skb
)->gso_size
) != 0) {
5531 int tcp_opt_len
, ip_tcp_len
;
5534 if (skb_header_cloned(skb
) &&
5535 pskb_expand_head(skb
, 0, 0, GFP_ATOMIC
)) {
5540 if (skb_shinfo(skb
)->gso_type
& SKB_GSO_TCPV6
)
5541 hdrlen
= skb_headlen(skb
) - ETH_HLEN
;
5543 struct iphdr
*iph
= ip_hdr(skb
);
5545 tcp_opt_len
= tcp_optlen(skb
);
5546 ip_tcp_len
= ip_hdrlen(skb
) + sizeof(struct tcphdr
);
5549 iph
->tot_len
= htons(mss
+ ip_tcp_len
+ tcp_opt_len
);
5550 hdrlen
= ip_tcp_len
+ tcp_opt_len
;
5553 if (tp
->tg3_flags2
& TG3_FLG2_HW_TSO_3
) {
5554 mss
|= (hdrlen
& 0xc) << 12;
5556 base_flags
|= 0x00000010;
5557 base_flags
|= (hdrlen
& 0x3e0) << 5;
5561 base_flags
|= (TXD_FLAG_CPU_PRE_DMA
|
5562 TXD_FLAG_CPU_POST_DMA
);
5564 tcp_hdr(skb
)->check
= 0;
5567 else if (skb
->ip_summed
== CHECKSUM_PARTIAL
)
5568 base_flags
|= TXD_FLAG_TCPUDP_CSUM
;
5569 #if TG3_VLAN_TAG_USED
5570 if (tp
->vlgrp
!= NULL
&& vlan_tx_tag_present(skb
))
5571 base_flags
|= (TXD_FLAG_VLAN
|
5572 (vlan_tx_tag_get(skb
) << 16));
5575 len
= skb_headlen(skb
);
5577 /* Queue skb data, a.k.a. the main skb fragment. */
5578 mapping
= pci_map_single(tp
->pdev
, skb
->data
, len
, PCI_DMA_TODEVICE
);
5579 if (pci_dma_mapping_error(tp
->pdev
, mapping
)) {
5584 tnapi
->tx_buffers
[entry
].skb
= skb
;
5585 pci_unmap_addr_set(&tnapi
->tx_buffers
[entry
], mapping
, mapping
);
5587 if ((tp
->tg3_flags3
& TG3_FLG3_USE_JUMBO_BDFLAG
) &&
5588 !mss
&& skb
->len
> ETH_DATA_LEN
)
5589 base_flags
|= TXD_FLAG_JMB_PKT
;
5591 tg3_set_txd(tnapi
, entry
, mapping
, len
, base_flags
,
5592 (skb_shinfo(skb
)->nr_frags
== 0) | (mss
<< 1));
5594 entry
= NEXT_TX(entry
);
5596 /* Now loop through additional data fragments, and queue them. */
5597 if (skb_shinfo(skb
)->nr_frags
> 0) {
5598 last
= skb_shinfo(skb
)->nr_frags
- 1;
5599 for (i
= 0; i
<= last
; i
++) {
5600 skb_frag_t
*frag
= &skb_shinfo(skb
)->frags
[i
];
5603 mapping
= pci_map_page(tp
->pdev
,
5606 len
, PCI_DMA_TODEVICE
);
5607 if (pci_dma_mapping_error(tp
->pdev
, mapping
))
5610 tnapi
->tx_buffers
[entry
].skb
= NULL
;
5611 pci_unmap_addr_set(&tnapi
->tx_buffers
[entry
], mapping
,
5614 tg3_set_txd(tnapi
, entry
, mapping
, len
,
5615 base_flags
, (i
== last
) | (mss
<< 1));
5617 entry
= NEXT_TX(entry
);
5621 /* Packets are ready, update Tx producer idx local and on card. */
5622 tw32_tx_mbox(tnapi
->prodmbox
, entry
);
5624 tnapi
->tx_prod
= entry
;
5625 if (unlikely(tg3_tx_avail(tnapi
) <= (MAX_SKB_FRAGS
+ 1))) {
5626 netif_tx_stop_queue(txq
);
5627 if (tg3_tx_avail(tnapi
) > TG3_TX_WAKEUP_THRESH(tnapi
))
5628 netif_tx_wake_queue(txq
);
5634 return NETDEV_TX_OK
;
5638 entry
= tnapi
->tx_prod
;
5639 tnapi
->tx_buffers
[entry
].skb
= NULL
;
5640 pci_unmap_single(tp
->pdev
,
5641 pci_unmap_addr(&tnapi
->tx_buffers
[entry
], mapping
),
5644 for (i
= 0; i
<= last
; i
++) {
5645 skb_frag_t
*frag
= &skb_shinfo(skb
)->frags
[i
];
5646 entry
= NEXT_TX(entry
);
5648 pci_unmap_page(tp
->pdev
,
5649 pci_unmap_addr(&tnapi
->tx_buffers
[entry
],
5651 frag
->size
, PCI_DMA_TODEVICE
);
5655 return NETDEV_TX_OK
;
5658 static netdev_tx_t
tg3_start_xmit_dma_bug(struct sk_buff
*,
5659 struct net_device
*);
5661 /* Use GSO to workaround a rare TSO bug that may be triggered when the
5662 * TSO header is greater than 80 bytes.
5664 static int tg3_tso_bug(struct tg3
*tp
, struct sk_buff
*skb
)
5666 struct sk_buff
*segs
, *nskb
;
5667 u32 frag_cnt_est
= skb_shinfo(skb
)->gso_segs
* 3;
5669 /* Estimate the number of fragments in the worst case */
5670 if (unlikely(tg3_tx_avail(&tp
->napi
[0]) <= frag_cnt_est
)) {
5671 netif_stop_queue(tp
->dev
);
5672 if (tg3_tx_avail(&tp
->napi
[0]) <= frag_cnt_est
)
5673 return NETDEV_TX_BUSY
;
5675 netif_wake_queue(tp
->dev
);
5678 segs
= skb_gso_segment(skb
, tp
->dev
->features
& ~NETIF_F_TSO
);
5680 goto tg3_tso_bug_end
;
5686 tg3_start_xmit_dma_bug(nskb
, tp
->dev
);
5692 return NETDEV_TX_OK
;
5695 /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
5696 * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
5698 static netdev_tx_t
tg3_start_xmit_dma_bug(struct sk_buff
*skb
,
5699 struct net_device
*dev
)
5701 struct tg3
*tp
= netdev_priv(dev
);
5702 u32 len
, entry
, base_flags
, mss
;
5703 int would_hit_hwbug
;
5705 struct tg3_napi
*tnapi
;
5706 struct netdev_queue
*txq
;
5707 unsigned int i
, last
;
5710 txq
= netdev_get_tx_queue(dev
, skb_get_queue_mapping(skb
));
5711 tnapi
= &tp
->napi
[skb_get_queue_mapping(skb
)];
5712 if (tp
->tg3_flags3
& TG3_FLG3_ENABLE_TSS
)
5715 /* We are running in BH disabled context with netif_tx_lock
5716 * and TX reclaim runs via tp->napi.poll inside of a software
5717 * interrupt. Furthermore, IRQ processing runs lockless so we have
5718 * no IRQ context deadlocks to worry about either. Rejoice!
5720 if (unlikely(tg3_tx_avail(tnapi
) <= (skb_shinfo(skb
)->nr_frags
+ 1))) {
5721 if (!netif_tx_queue_stopped(txq
)) {
5722 netif_tx_stop_queue(txq
);
5724 /* This is a hard error, log it. */
5725 printk(KERN_ERR PFX
"%s: BUG! Tx Ring full when "
5726 "queue awake!\n", dev
->name
);
5728 return NETDEV_TX_BUSY
;
5731 entry
= tnapi
->tx_prod
;
5733 if (skb
->ip_summed
== CHECKSUM_PARTIAL
)
5734 base_flags
|= TXD_FLAG_TCPUDP_CSUM
;
5736 if ((mss
= skb_shinfo(skb
)->gso_size
) != 0) {
5738 u32 tcp_opt_len
, ip_tcp_len
, hdr_len
;
5740 if (skb_header_cloned(skb
) &&
5741 pskb_expand_head(skb
, 0, 0, GFP_ATOMIC
)) {
5746 tcp_opt_len
= tcp_optlen(skb
);
5747 ip_tcp_len
= ip_hdrlen(skb
) + sizeof(struct tcphdr
);
5749 hdr_len
= ip_tcp_len
+ tcp_opt_len
;
5750 if (unlikely((ETH_HLEN
+ hdr_len
) > 80) &&
5751 (tp
->tg3_flags2
& TG3_FLG2_TSO_BUG
))
5752 return (tg3_tso_bug(tp
, skb
));
5754 base_flags
|= (TXD_FLAG_CPU_PRE_DMA
|
5755 TXD_FLAG_CPU_POST_DMA
);
5759 iph
->tot_len
= htons(mss
+ hdr_len
);
5760 if (tp
->tg3_flags2
& TG3_FLG2_HW_TSO
) {
5761 tcp_hdr(skb
)->check
= 0;
5762 base_flags
&= ~TXD_FLAG_TCPUDP_CSUM
;
5764 tcp_hdr(skb
)->check
= ~csum_tcpudp_magic(iph
->saddr
,
5769 if (tp
->tg3_flags2
& TG3_FLG2_HW_TSO_3
) {
5770 mss
|= (hdr_len
& 0xc) << 12;
5772 base_flags
|= 0x00000010;
5773 base_flags
|= (hdr_len
& 0x3e0) << 5;
5774 } else if (tp
->tg3_flags2
& TG3_FLG2_HW_TSO_2
)
5775 mss
|= hdr_len
<< 9;
5776 else if ((tp
->tg3_flags2
& TG3_FLG2_HW_TSO_1
) ||
5777 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5705
) {
5778 if (tcp_opt_len
|| iph
->ihl
> 5) {
5781 tsflags
= (iph
->ihl
- 5) + (tcp_opt_len
>> 2);
5782 mss
|= (tsflags
<< 11);
5785 if (tcp_opt_len
|| iph
->ihl
> 5) {
5788 tsflags
= (iph
->ihl
- 5) + (tcp_opt_len
>> 2);
5789 base_flags
|= tsflags
<< 12;
5793 #if TG3_VLAN_TAG_USED
5794 if (tp
->vlgrp
!= NULL
&& vlan_tx_tag_present(skb
))
5795 base_flags
|= (TXD_FLAG_VLAN
|
5796 (vlan_tx_tag_get(skb
) << 16));
5799 if ((tp
->tg3_flags3
& TG3_FLG3_USE_JUMBO_BDFLAG
) &&
5800 !mss
&& skb
->len
> ETH_DATA_LEN
)
5801 base_flags
|= TXD_FLAG_JMB_PKT
;
5803 len
= skb_headlen(skb
);
5805 mapping
= pci_map_single(tp
->pdev
, skb
->data
, len
, PCI_DMA_TODEVICE
);
5806 if (pci_dma_mapping_error(tp
->pdev
, mapping
)) {
5811 tnapi
->tx_buffers
[entry
].skb
= skb
;
5812 pci_unmap_addr_set(&tnapi
->tx_buffers
[entry
], mapping
, mapping
);
5814 would_hit_hwbug
= 0;
5816 if ((tp
->tg3_flags3
& TG3_FLG3_SHORT_DMA_BUG
) && len
<= 8)
5817 would_hit_hwbug
= 1;
5819 if ((tp
->tg3_flags3
& TG3_FLG3_4G_DMA_BNDRY_BUG
) &&
5820 tg3_4g_overflow_test(mapping
, len
))
5821 would_hit_hwbug
= 1;
5823 if ((tp
->tg3_flags3
& TG3_FLG3_40BIT_DMA_LIMIT_BUG
) &&
5824 tg3_40bit_overflow_test(tp
, mapping
, len
))
5825 would_hit_hwbug
= 1;
5827 if (tp
->tg3_flags3
& TG3_FLG3_5701_DMA_BUG
)
5828 would_hit_hwbug
= 1;
5830 tg3_set_txd(tnapi
, entry
, mapping
, len
, base_flags
,
5831 (skb_shinfo(skb
)->nr_frags
== 0) | (mss
<< 1));
5833 entry
= NEXT_TX(entry
);
5835 /* Now loop through additional data fragments, and queue them. */
5836 if (skb_shinfo(skb
)->nr_frags
> 0) {
5837 last
= skb_shinfo(skb
)->nr_frags
- 1;
5838 for (i
= 0; i
<= last
; i
++) {
5839 skb_frag_t
*frag
= &skb_shinfo(skb
)->frags
[i
];
5842 mapping
= pci_map_page(tp
->pdev
,
5845 len
, PCI_DMA_TODEVICE
);
5847 tnapi
->tx_buffers
[entry
].skb
= NULL
;
5848 pci_unmap_addr_set(&tnapi
->tx_buffers
[entry
], mapping
,
5850 if (pci_dma_mapping_error(tp
->pdev
, mapping
))
5853 if ((tp
->tg3_flags3
& TG3_FLG3_SHORT_DMA_BUG
) &&
5855 would_hit_hwbug
= 1;
5857 if ((tp
->tg3_flags3
& TG3_FLG3_4G_DMA_BNDRY_BUG
) &&
5858 tg3_4g_overflow_test(mapping
, len
))
5859 would_hit_hwbug
= 1;
5861 if ((tp
->tg3_flags3
& TG3_FLG3_40BIT_DMA_LIMIT_BUG
) &&
5862 tg3_40bit_overflow_test(tp
, mapping
, len
))
5863 would_hit_hwbug
= 1;
5865 if (tp
->tg3_flags2
& TG3_FLG2_HW_TSO
)
5866 tg3_set_txd(tnapi
, entry
, mapping
, len
,
5867 base_flags
, (i
== last
)|(mss
<< 1));
5869 tg3_set_txd(tnapi
, entry
, mapping
, len
,
5870 base_flags
, (i
== last
));
5872 entry
= NEXT_TX(entry
);
5876 if (would_hit_hwbug
) {
5877 u32 last_plus_one
= entry
;
5880 start
= entry
- 1 - skb_shinfo(skb
)->nr_frags
;
5881 start
&= (TG3_TX_RING_SIZE
- 1);
5883 /* If the workaround fails due to memory/mapping
5884 * failure, silently drop this packet.
5886 if (tigon3_dma_hwbug_workaround(tnapi
, skb
, last_plus_one
,
5887 &start
, base_flags
, mss
))
5893 /* Packets are ready, update Tx producer idx local and on card. */
5894 tw32_tx_mbox(tnapi
->prodmbox
, entry
);
5896 tnapi
->tx_prod
= entry
;
5897 if (unlikely(tg3_tx_avail(tnapi
) <= (MAX_SKB_FRAGS
+ 1))) {
5898 netif_tx_stop_queue(txq
);
5899 if (tg3_tx_avail(tnapi
) > TG3_TX_WAKEUP_THRESH(tnapi
))
5900 netif_tx_wake_queue(txq
);
5906 return NETDEV_TX_OK
;
5910 entry
= tnapi
->tx_prod
;
5911 tnapi
->tx_buffers
[entry
].skb
= NULL
;
5912 pci_unmap_single(tp
->pdev
,
5913 pci_unmap_addr(&tnapi
->tx_buffers
[entry
], mapping
),
5916 for (i
= 0; i
<= last
; i
++) {
5917 skb_frag_t
*frag
= &skb_shinfo(skb
)->frags
[i
];
5918 entry
= NEXT_TX(entry
);
5920 pci_unmap_page(tp
->pdev
,
5921 pci_unmap_addr(&tnapi
->tx_buffers
[entry
],
5923 frag
->size
, PCI_DMA_TODEVICE
);
5927 return NETDEV_TX_OK
;
5930 static inline void tg3_set_mtu(struct net_device
*dev
, struct tg3
*tp
,
5935 if (new_mtu
> ETH_DATA_LEN
) {
5936 if (tp
->tg3_flags2
& TG3_FLG2_5780_CLASS
) {
5937 tp
->tg3_flags2
&= ~TG3_FLG2_TSO_CAPABLE
;
5938 ethtool_op_set_tso(dev
, 0);
5941 tp
->tg3_flags
|= TG3_FLAG_JUMBO_RING_ENABLE
;
5943 if (tp
->tg3_flags2
& TG3_FLG2_5780_CLASS
)
5944 tp
->tg3_flags2
|= TG3_FLG2_TSO_CAPABLE
;
5945 tp
->tg3_flags
&= ~TG3_FLAG_JUMBO_RING_ENABLE
;
5949 static int tg3_change_mtu(struct net_device
*dev
, int new_mtu
)
5951 struct tg3
*tp
= netdev_priv(dev
);
5954 if (new_mtu
< TG3_MIN_MTU
|| new_mtu
> TG3_MAX_MTU(tp
))
5957 if (!netif_running(dev
)) {
5958 /* We'll just catch it later when the
5961 tg3_set_mtu(dev
, tp
, new_mtu
);
5969 tg3_full_lock(tp
, 1);
5971 tg3_halt(tp
, RESET_KIND_SHUTDOWN
, 1);
5973 tg3_set_mtu(dev
, tp
, new_mtu
);
5975 err
= tg3_restart_hw(tp
, 0);
5978 tg3_netif_start(tp
);
5980 tg3_full_unlock(tp
);
5988 static void tg3_rx_prodring_free(struct tg3
*tp
,
5989 struct tg3_rx_prodring_set
*tpr
)
5993 if (tpr
!= &tp
->prodring
[0]) {
5994 for (i
= tpr
->rx_std_cons_idx
; i
!= tpr
->rx_std_prod_idx
;
5995 i
= (i
+ 1) % TG3_RX_RING_SIZE
)
5996 tg3_rx_skb_free(tp
, &tpr
->rx_std_buffers
[i
],
5999 if (tp
->tg3_flags
& TG3_FLAG_JUMBO_CAPABLE
) {
6000 for (i
= tpr
->rx_jmb_cons_idx
;
6001 i
!= tpr
->rx_jmb_prod_idx
;
6002 i
= (i
+ 1) % TG3_RX_JUMBO_RING_SIZE
) {
6003 tg3_rx_skb_free(tp
, &tpr
->rx_jmb_buffers
[i
],
6011 for (i
= 0; i
< TG3_RX_RING_SIZE
; i
++)
6012 tg3_rx_skb_free(tp
, &tpr
->rx_std_buffers
[i
],
6015 if (tp
->tg3_flags
& TG3_FLAG_JUMBO_CAPABLE
) {
6016 for (i
= 0; i
< TG3_RX_JUMBO_RING_SIZE
; i
++)
6017 tg3_rx_skb_free(tp
, &tpr
->rx_jmb_buffers
[i
],
6022 /* Initialize tx/rx rings for packet processing.
6024 * The chip has been shut down and the driver detached from
6025 * the networking, so no interrupts or new tx packets will
6026 * end up in the driver. tp->{tx,}lock are held and thus
6029 static int tg3_rx_prodring_alloc(struct tg3
*tp
,
6030 struct tg3_rx_prodring_set
*tpr
)
6032 u32 i
, rx_pkt_dma_sz
;
6034 tpr
->rx_std_cons_idx
= 0;
6035 tpr
->rx_std_prod_idx
= 0;
6036 tpr
->rx_jmb_cons_idx
= 0;
6037 tpr
->rx_jmb_prod_idx
= 0;
6039 if (tpr
!= &tp
->prodring
[0]) {
6040 memset(&tpr
->rx_std_buffers
[0], 0, TG3_RX_STD_BUFF_RING_SIZE
);
6041 if (tp
->tg3_flags
& TG3_FLAG_JUMBO_CAPABLE
)
6042 memset(&tpr
->rx_jmb_buffers
[0], 0,
6043 TG3_RX_JMB_BUFF_RING_SIZE
);
6047 /* Zero out all descriptors. */
6048 memset(tpr
->rx_std
, 0, TG3_RX_RING_BYTES
);
6050 rx_pkt_dma_sz
= TG3_RX_STD_DMA_SZ
;
6051 if ((tp
->tg3_flags2
& TG3_FLG2_5780_CLASS
) &&
6052 tp
->dev
->mtu
> ETH_DATA_LEN
)
6053 rx_pkt_dma_sz
= TG3_RX_JMB_DMA_SZ
;
6054 tp
->rx_pkt_map_sz
= TG3_RX_DMA_TO_MAP_SZ(rx_pkt_dma_sz
);
6056 /* Initialize invariants of the rings, we only set this
6057 * stuff once. This works because the card does not
6058 * write into the rx buffer posting rings.
6060 for (i
= 0; i
< TG3_RX_RING_SIZE
; i
++) {
6061 struct tg3_rx_buffer_desc
*rxd
;
6063 rxd
= &tpr
->rx_std
[i
];
6064 rxd
->idx_len
= rx_pkt_dma_sz
<< RXD_LEN_SHIFT
;
6065 rxd
->type_flags
= (RXD_FLAG_END
<< RXD_FLAGS_SHIFT
);
6066 rxd
->opaque
= (RXD_OPAQUE_RING_STD
|
6067 (i
<< RXD_OPAQUE_INDEX_SHIFT
));
6070 /* Now allocate fresh SKBs for each rx ring. */
6071 for (i
= 0; i
< tp
->rx_pending
; i
++) {
6072 if (tg3_alloc_rx_skb(tp
, tpr
, RXD_OPAQUE_RING_STD
, i
) < 0) {
6073 printk(KERN_WARNING PFX
6074 "%s: Using a smaller RX standard ring, "
6075 "only %d out of %d buffers were allocated "
6077 tp
->dev
->name
, i
, tp
->rx_pending
);
6085 if (!(tp
->tg3_flags
& TG3_FLAG_JUMBO_CAPABLE
))
6088 memset(tpr
->rx_jmb
, 0, TG3_RX_JUMBO_RING_BYTES
);
6090 if (tp
->tg3_flags
& TG3_FLAG_JUMBO_RING_ENABLE
) {
6091 for (i
= 0; i
< TG3_RX_JUMBO_RING_SIZE
; i
++) {
6092 struct tg3_rx_buffer_desc
*rxd
;
6094 rxd
= &tpr
->rx_jmb
[i
].std
;
6095 rxd
->idx_len
= TG3_RX_JMB_DMA_SZ
<< RXD_LEN_SHIFT
;
6096 rxd
->type_flags
= (RXD_FLAG_END
<< RXD_FLAGS_SHIFT
) |
6098 rxd
->opaque
= (RXD_OPAQUE_RING_JUMBO
|
6099 (i
<< RXD_OPAQUE_INDEX_SHIFT
));
6102 for (i
= 0; i
< tp
->rx_jumbo_pending
; i
++) {
6103 if (tg3_alloc_rx_skb(tp
, tpr
, RXD_OPAQUE_RING_JUMBO
,
6105 printk(KERN_WARNING PFX
6106 "%s: Using a smaller RX jumbo ring, "
6107 "only %d out of %d buffers were "
6108 "allocated successfully.\n",
6109 tp
->dev
->name
, i
, tp
->rx_jumbo_pending
);
6112 tp
->rx_jumbo_pending
= i
;
6122 tg3_rx_prodring_free(tp
, tpr
);
6126 static void tg3_rx_prodring_fini(struct tg3
*tp
,
6127 struct tg3_rx_prodring_set
*tpr
)
6129 kfree(tpr
->rx_std_buffers
);
6130 tpr
->rx_std_buffers
= NULL
;
6131 kfree(tpr
->rx_jmb_buffers
);
6132 tpr
->rx_jmb_buffers
= NULL
;
6134 pci_free_consistent(tp
->pdev
, TG3_RX_RING_BYTES
,
6135 tpr
->rx_std
, tpr
->rx_std_mapping
);
6139 pci_free_consistent(tp
->pdev
, TG3_RX_JUMBO_RING_BYTES
,
6140 tpr
->rx_jmb
, tpr
->rx_jmb_mapping
);
6145 static int tg3_rx_prodring_init(struct tg3
*tp
,
6146 struct tg3_rx_prodring_set
*tpr
)
6148 tpr
->rx_std_buffers
= kzalloc(TG3_RX_STD_BUFF_RING_SIZE
, GFP_KERNEL
);
6149 if (!tpr
->rx_std_buffers
)
6152 tpr
->rx_std
= pci_alloc_consistent(tp
->pdev
, TG3_RX_RING_BYTES
,
6153 &tpr
->rx_std_mapping
);
6157 if (tp
->tg3_flags
& TG3_FLAG_JUMBO_CAPABLE
) {
6158 tpr
->rx_jmb_buffers
= kzalloc(TG3_RX_JMB_BUFF_RING_SIZE
,
6160 if (!tpr
->rx_jmb_buffers
)
6163 tpr
->rx_jmb
= pci_alloc_consistent(tp
->pdev
,
6164 TG3_RX_JUMBO_RING_BYTES
,
6165 &tpr
->rx_jmb_mapping
);
6173 tg3_rx_prodring_fini(tp
, tpr
);
6177 /* Free up pending packets in all rx/tx rings.
6179 * The chip has been shut down and the driver detached from
6180 * the networking, so no interrupts or new tx packets will
6181 * end up in the driver. tp->{tx,}lock is not held and we are not
6182 * in an interrupt context and thus may sleep.
6184 static void tg3_free_rings(struct tg3
*tp
)
6188 for (j
= 0; j
< tp
->irq_cnt
; j
++) {
6189 struct tg3_napi
*tnapi
= &tp
->napi
[j
];
6191 if (!tnapi
->tx_buffers
)
6194 for (i
= 0; i
< TG3_TX_RING_SIZE
; ) {
6195 struct ring_info
*txp
;
6196 struct sk_buff
*skb
;
6199 txp
= &tnapi
->tx_buffers
[i
];
6207 pci_unmap_single(tp
->pdev
,
6208 pci_unmap_addr(txp
, mapping
),
6215 for (k
= 0; k
< skb_shinfo(skb
)->nr_frags
; k
++) {
6216 txp
= &tnapi
->tx_buffers
[i
& (TG3_TX_RING_SIZE
- 1)];
6217 pci_unmap_page(tp
->pdev
,
6218 pci_unmap_addr(txp
, mapping
),
6219 skb_shinfo(skb
)->frags
[k
].size
,
6224 dev_kfree_skb_any(skb
);
6227 tg3_rx_prodring_free(tp
, &tp
->prodring
[j
]);
6231 /* Initialize tx/rx rings for packet processing.
6233 * The chip has been shut down and the driver detached from
6234 * the networking, so no interrupts or new tx packets will
6235 * end up in the driver. tp->{tx,}lock are held and thus
6238 static int tg3_init_rings(struct tg3
*tp
)
6242 /* Free up all the SKBs. */
6245 for (i
= 0; i
< tp
->irq_cnt
; i
++) {
6246 struct tg3_napi
*tnapi
= &tp
->napi
[i
];
6248 tnapi
->last_tag
= 0;
6249 tnapi
->last_irq_tag
= 0;
6250 tnapi
->hw_status
->status
= 0;
6251 tnapi
->hw_status
->status_tag
= 0;
6252 memset(tnapi
->hw_status
, 0, TG3_HW_STATUS_SIZE
);
6257 memset(tnapi
->tx_ring
, 0, TG3_TX_RING_BYTES
);
6259 tnapi
->rx_rcb_ptr
= 0;
6261 memset(tnapi
->rx_rcb
, 0, TG3_RX_RCB_RING_BYTES(tp
));
6263 if (tg3_rx_prodring_alloc(tp
, &tp
->prodring
[i
])) {
6273 * Must not be invoked with interrupt sources disabled and
6274 * the hardware shutdown down.
6276 static void tg3_free_consistent(struct tg3
*tp
)
6280 for (i
= 0; i
< tp
->irq_cnt
; i
++) {
6281 struct tg3_napi
*tnapi
= &tp
->napi
[i
];
6283 if (tnapi
->tx_ring
) {
6284 pci_free_consistent(tp
->pdev
, TG3_TX_RING_BYTES
,
6285 tnapi
->tx_ring
, tnapi
->tx_desc_mapping
);
6286 tnapi
->tx_ring
= NULL
;
6289 kfree(tnapi
->tx_buffers
);
6290 tnapi
->tx_buffers
= NULL
;
6292 if (tnapi
->rx_rcb
) {
6293 pci_free_consistent(tp
->pdev
, TG3_RX_RCB_RING_BYTES(tp
),
6295 tnapi
->rx_rcb_mapping
);
6296 tnapi
->rx_rcb
= NULL
;
6299 if (tnapi
->hw_status
) {
6300 pci_free_consistent(tp
->pdev
, TG3_HW_STATUS_SIZE
,
6302 tnapi
->status_mapping
);
6303 tnapi
->hw_status
= NULL
;
6308 pci_free_consistent(tp
->pdev
, sizeof(struct tg3_hw_stats
),
6309 tp
->hw_stats
, tp
->stats_mapping
);
6310 tp
->hw_stats
= NULL
;
6313 for (i
= 0; i
< tp
->irq_cnt
; i
++)
6314 tg3_rx_prodring_fini(tp
, &tp
->prodring
[i
]);
6318 * Must not be invoked with interrupt sources disabled and
6319 * the hardware shutdown down. Can sleep.
6321 static int tg3_alloc_consistent(struct tg3
*tp
)
6325 for (i
= 0; i
< tp
->irq_cnt
; i
++) {
6326 if (tg3_rx_prodring_init(tp
, &tp
->prodring
[i
]))
6330 tp
->hw_stats
= pci_alloc_consistent(tp
->pdev
,
6331 sizeof(struct tg3_hw_stats
),
6332 &tp
->stats_mapping
);
6336 memset(tp
->hw_stats
, 0, sizeof(struct tg3_hw_stats
));
6338 for (i
= 0; i
< tp
->irq_cnt
; i
++) {
6339 struct tg3_napi
*tnapi
= &tp
->napi
[i
];
6340 struct tg3_hw_status
*sblk
;
6342 tnapi
->hw_status
= pci_alloc_consistent(tp
->pdev
,
6344 &tnapi
->status_mapping
);
6345 if (!tnapi
->hw_status
)
6348 memset(tnapi
->hw_status
, 0, TG3_HW_STATUS_SIZE
);
6349 sblk
= tnapi
->hw_status
;
6351 /* If multivector TSS is enabled, vector 0 does not handle
6352 * tx interrupts. Don't allocate any resources for it.
6354 if ((!i
&& !(tp
->tg3_flags3
& TG3_FLG3_ENABLE_TSS
)) ||
6355 (i
&& (tp
->tg3_flags3
& TG3_FLG3_ENABLE_TSS
))) {
6356 tnapi
->tx_buffers
= kzalloc(sizeof(struct ring_info
) *
6359 if (!tnapi
->tx_buffers
)
6362 tnapi
->tx_ring
= pci_alloc_consistent(tp
->pdev
,
6364 &tnapi
->tx_desc_mapping
);
6365 if (!tnapi
->tx_ring
)
6370 * When RSS is enabled, the status block format changes
6371 * slightly. The "rx_jumbo_consumer", "reserved",
6372 * and "rx_mini_consumer" members get mapped to the
6373 * other three rx return ring producer indexes.
6377 tnapi
->rx_rcb_prod_idx
= &sblk
->idx
[0].rx_producer
;
6380 tnapi
->rx_rcb_prod_idx
= &sblk
->rx_jumbo_consumer
;
6383 tnapi
->rx_rcb_prod_idx
= &sblk
->reserved
;
6386 tnapi
->rx_rcb_prod_idx
= &sblk
->rx_mini_consumer
;
6390 tnapi
->prodring
= &tp
->prodring
[i
];
6393 * If multivector RSS is enabled, vector 0 does not handle
6394 * rx or tx interrupts. Don't allocate any resources for it.
6396 if (!i
&& (tp
->tg3_flags3
& TG3_FLG3_ENABLE_RSS
))
6399 tnapi
->rx_rcb
= pci_alloc_consistent(tp
->pdev
,
6400 TG3_RX_RCB_RING_BYTES(tp
),
6401 &tnapi
->rx_rcb_mapping
);
6405 memset(tnapi
->rx_rcb
, 0, TG3_RX_RCB_RING_BYTES(tp
));
6411 tg3_free_consistent(tp
);
6415 #define MAX_WAIT_CNT 1000
6417 /* To stop a block, clear the enable bit and poll till it
6418 * clears. tp->lock is held.
6420 static int tg3_stop_block(struct tg3
*tp
, unsigned long ofs
, u32 enable_bit
, int silent
)
6425 if (tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
) {
6432 /* We can't enable/disable these bits of the
6433 * 5705/5750, just say success.
6446 for (i
= 0; i
< MAX_WAIT_CNT
; i
++) {
6449 if ((val
& enable_bit
) == 0)
6453 if (i
== MAX_WAIT_CNT
&& !silent
) {
6454 printk(KERN_ERR PFX
"tg3_stop_block timed out, "
6455 "ofs=%lx enable_bit=%x\n",
6463 /* tp->lock is held. */
6464 static int tg3_abort_hw(struct tg3
*tp
, int silent
)
6468 tg3_disable_ints(tp
);
6470 tp
->rx_mode
&= ~RX_MODE_ENABLE
;
6471 tw32_f(MAC_RX_MODE
, tp
->rx_mode
);
6474 err
= tg3_stop_block(tp
, RCVBDI_MODE
, RCVBDI_MODE_ENABLE
, silent
);
6475 err
|= tg3_stop_block(tp
, RCVLPC_MODE
, RCVLPC_MODE_ENABLE
, silent
);
6476 err
|= tg3_stop_block(tp
, RCVLSC_MODE
, RCVLSC_MODE_ENABLE
, silent
);
6477 err
|= tg3_stop_block(tp
, RCVDBDI_MODE
, RCVDBDI_MODE_ENABLE
, silent
);
6478 err
|= tg3_stop_block(tp
, RCVDCC_MODE
, RCVDCC_MODE_ENABLE
, silent
);
6479 err
|= tg3_stop_block(tp
, RCVCC_MODE
, RCVCC_MODE_ENABLE
, silent
);
6481 err
|= tg3_stop_block(tp
, SNDBDS_MODE
, SNDBDS_MODE_ENABLE
, silent
);
6482 err
|= tg3_stop_block(tp
, SNDBDI_MODE
, SNDBDI_MODE_ENABLE
, silent
);
6483 err
|= tg3_stop_block(tp
, SNDDATAI_MODE
, SNDDATAI_MODE_ENABLE
, silent
);
6484 err
|= tg3_stop_block(tp
, RDMAC_MODE
, RDMAC_MODE_ENABLE
, silent
);
6485 err
|= tg3_stop_block(tp
, SNDDATAC_MODE
, SNDDATAC_MODE_ENABLE
, silent
);
6486 err
|= tg3_stop_block(tp
, DMAC_MODE
, DMAC_MODE_ENABLE
, silent
);
6487 err
|= tg3_stop_block(tp
, SNDBDC_MODE
, SNDBDC_MODE_ENABLE
, silent
);
6489 tp
->mac_mode
&= ~MAC_MODE_TDE_ENABLE
;
6490 tw32_f(MAC_MODE
, tp
->mac_mode
);
6493 tp
->tx_mode
&= ~TX_MODE_ENABLE
;
6494 tw32_f(MAC_TX_MODE
, tp
->tx_mode
);
6496 for (i
= 0; i
< MAX_WAIT_CNT
; i
++) {
6498 if (!(tr32(MAC_TX_MODE
) & TX_MODE_ENABLE
))
6501 if (i
>= MAX_WAIT_CNT
) {
6502 printk(KERN_ERR PFX
"tg3_abort_hw timed out for %s, "
6503 "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
6504 tp
->dev
->name
, tr32(MAC_TX_MODE
));
6508 err
|= tg3_stop_block(tp
, HOSTCC_MODE
, HOSTCC_MODE_ENABLE
, silent
);
6509 err
|= tg3_stop_block(tp
, WDMAC_MODE
, WDMAC_MODE_ENABLE
, silent
);
6510 err
|= tg3_stop_block(tp
, MBFREE_MODE
, MBFREE_MODE_ENABLE
, silent
);
6512 tw32(FTQ_RESET
, 0xffffffff);
6513 tw32(FTQ_RESET
, 0x00000000);
6515 err
|= tg3_stop_block(tp
, BUFMGR_MODE
, BUFMGR_MODE_ENABLE
, silent
);
6516 err
|= tg3_stop_block(tp
, MEMARB_MODE
, MEMARB_MODE_ENABLE
, silent
);
6518 for (i
= 0; i
< tp
->irq_cnt
; i
++) {
6519 struct tg3_napi
*tnapi
= &tp
->napi
[i
];
6520 if (tnapi
->hw_status
)
6521 memset(tnapi
->hw_status
, 0, TG3_HW_STATUS_SIZE
);
6524 memset(tp
->hw_stats
, 0, sizeof(struct tg3_hw_stats
));
6529 static void tg3_ape_send_event(struct tg3
*tp
, u32 event
)
6534 apedata
= tg3_ape_read32(tp
, TG3_APE_SEG_SIG
);
6535 if (apedata
!= APE_SEG_SIG_MAGIC
)
6538 apedata
= tg3_ape_read32(tp
, TG3_APE_FW_STATUS
);
6539 if (!(apedata
& APE_FW_STATUS_READY
))
6542 /* Wait for up to 1 millisecond for APE to service previous event. */
6543 for (i
= 0; i
< 10; i
++) {
6544 if (tg3_ape_lock(tp
, TG3_APE_LOCK_MEM
))
6547 apedata
= tg3_ape_read32(tp
, TG3_APE_EVENT_STATUS
);
6549 if (!(apedata
& APE_EVENT_STATUS_EVENT_PENDING
))
6550 tg3_ape_write32(tp
, TG3_APE_EVENT_STATUS
,
6551 event
| APE_EVENT_STATUS_EVENT_PENDING
);
6553 tg3_ape_unlock(tp
, TG3_APE_LOCK_MEM
);
6555 if (!(apedata
& APE_EVENT_STATUS_EVENT_PENDING
))
6561 if (!(apedata
& APE_EVENT_STATUS_EVENT_PENDING
))
6562 tg3_ape_write32(tp
, TG3_APE_EVENT
, APE_EVENT_1
);
6565 static void tg3_ape_driver_state_change(struct tg3
*tp
, int kind
)
6570 if (!(tp
->tg3_flags3
& TG3_FLG3_ENABLE_APE
))
6574 case RESET_KIND_INIT
:
6575 tg3_ape_write32(tp
, TG3_APE_HOST_SEG_SIG
,
6576 APE_HOST_SEG_SIG_MAGIC
);
6577 tg3_ape_write32(tp
, TG3_APE_HOST_SEG_LEN
,
6578 APE_HOST_SEG_LEN_MAGIC
);
6579 apedata
= tg3_ape_read32(tp
, TG3_APE_HOST_INIT_COUNT
);
6580 tg3_ape_write32(tp
, TG3_APE_HOST_INIT_COUNT
, ++apedata
);
6581 tg3_ape_write32(tp
, TG3_APE_HOST_DRIVER_ID
,
6582 APE_HOST_DRIVER_ID_MAGIC
);
6583 tg3_ape_write32(tp
, TG3_APE_HOST_BEHAVIOR
,
6584 APE_HOST_BEHAV_NO_PHYLOCK
);
6586 event
= APE_EVENT_STATUS_STATE_START
;
6588 case RESET_KIND_SHUTDOWN
:
6589 /* With the interface we are currently using,
6590 * APE does not track driver state. Wiping
6591 * out the HOST SEGMENT SIGNATURE forces
6592 * the APE to assume OS absent status.
6594 tg3_ape_write32(tp
, TG3_APE_HOST_SEG_SIG
, 0x0);
6596 event
= APE_EVENT_STATUS_STATE_UNLOAD
;
6598 case RESET_KIND_SUSPEND
:
6599 event
= APE_EVENT_STATUS_STATE_SUSPEND
;
6605 event
|= APE_EVENT_STATUS_DRIVER_EVNT
| APE_EVENT_STATUS_STATE_CHNGE
;
6607 tg3_ape_send_event(tp
, event
);
6610 /* tp->lock is held. */
6611 static void tg3_write_sig_pre_reset(struct tg3
*tp
, int kind
)
6613 tg3_write_mem(tp
, NIC_SRAM_FIRMWARE_MBOX
,
6614 NIC_SRAM_FIRMWARE_MBOX_MAGIC1
);
6616 if (tp
->tg3_flags2
& TG3_FLG2_ASF_NEW_HANDSHAKE
) {
6618 case RESET_KIND_INIT
:
6619 tg3_write_mem(tp
, NIC_SRAM_FW_DRV_STATE_MBOX
,
6623 case RESET_KIND_SHUTDOWN
:
6624 tg3_write_mem(tp
, NIC_SRAM_FW_DRV_STATE_MBOX
,
6628 case RESET_KIND_SUSPEND
:
6629 tg3_write_mem(tp
, NIC_SRAM_FW_DRV_STATE_MBOX
,
6638 if (kind
== RESET_KIND_INIT
||
6639 kind
== RESET_KIND_SUSPEND
)
6640 tg3_ape_driver_state_change(tp
, kind
);
6643 /* tp->lock is held. */
6644 static void tg3_write_sig_post_reset(struct tg3
*tp
, int kind
)
6646 if (tp
->tg3_flags2
& TG3_FLG2_ASF_NEW_HANDSHAKE
) {
6648 case RESET_KIND_INIT
:
6649 tg3_write_mem(tp
, NIC_SRAM_FW_DRV_STATE_MBOX
,
6650 DRV_STATE_START_DONE
);
6653 case RESET_KIND_SHUTDOWN
:
6654 tg3_write_mem(tp
, NIC_SRAM_FW_DRV_STATE_MBOX
,
6655 DRV_STATE_UNLOAD_DONE
);
6663 if (kind
== RESET_KIND_SHUTDOWN
)
6664 tg3_ape_driver_state_change(tp
, kind
);
6667 /* tp->lock is held. */
6668 static void tg3_write_sig_legacy(struct tg3
*tp
, int kind
)
6670 if (tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
) {
6672 case RESET_KIND_INIT
:
6673 tg3_write_mem(tp
, NIC_SRAM_FW_DRV_STATE_MBOX
,
6677 case RESET_KIND_SHUTDOWN
:
6678 tg3_write_mem(tp
, NIC_SRAM_FW_DRV_STATE_MBOX
,
6682 case RESET_KIND_SUSPEND
:
6683 tg3_write_mem(tp
, NIC_SRAM_FW_DRV_STATE_MBOX
,
6693 static int tg3_poll_fw(struct tg3
*tp
)
6698 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
) {
6699 /* Wait up to 20ms for init done. */
6700 for (i
= 0; i
< 200; i
++) {
6701 if (tr32(VCPU_STATUS
) & VCPU_STATUS_INIT_DONE
)
6708 /* Wait for firmware initialization to complete. */
6709 for (i
= 0; i
< 100000; i
++) {
6710 tg3_read_mem(tp
, NIC_SRAM_FIRMWARE_MBOX
, &val
);
6711 if (val
== ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1
)
6716 /* Chip might not be fitted with firmware. Some Sun onboard
6717 * parts are configured like that. So don't signal the timeout
6718 * of the above loop as an error, but do report the lack of
6719 * running firmware once.
6722 !(tp
->tg3_flags2
& TG3_FLG2_NO_FWARE_REPORTED
)) {
6723 tp
->tg3_flags2
|= TG3_FLG2_NO_FWARE_REPORTED
;
6725 printk(KERN_INFO PFX
"%s: No firmware running.\n",
6729 if (tp
->pci_chip_rev_id
== CHIPREV_ID_57765_A0
) {
6730 /* The 57765 A0 needs a little more
6731 * time to do some important work.
6739 /* Save PCI command register before chip reset */
6740 static void tg3_save_pci_state(struct tg3
*tp
)
6742 pci_read_config_word(tp
->pdev
, PCI_COMMAND
, &tp
->pci_cmd
);
6745 /* Restore PCI state after chip reset */
6746 static void tg3_restore_pci_state(struct tg3
*tp
)
6750 /* Re-enable indirect register accesses. */
6751 pci_write_config_dword(tp
->pdev
, TG3PCI_MISC_HOST_CTRL
,
6752 tp
->misc_host_ctrl
);
6754 /* Set MAX PCI retry to zero. */
6755 val
= (PCISTATE_ROM_ENABLE
| PCISTATE_ROM_RETRY_ENABLE
);
6756 if (tp
->pci_chip_rev_id
== CHIPREV_ID_5704_A0
&&
6757 (tp
->tg3_flags
& TG3_FLAG_PCIX_MODE
))
6758 val
|= PCISTATE_RETRY_SAME_DMA
;
6759 /* Allow reads and writes to the APE register and memory space. */
6760 if (tp
->tg3_flags3
& TG3_FLG3_ENABLE_APE
)
6761 val
|= PCISTATE_ALLOW_APE_CTLSPC_WR
|
6762 PCISTATE_ALLOW_APE_SHMEM_WR
;
6763 pci_write_config_dword(tp
->pdev
, TG3PCI_PCISTATE
, val
);
6765 pci_write_config_word(tp
->pdev
, PCI_COMMAND
, tp
->pci_cmd
);
6767 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5785
) {
6768 if (tp
->tg3_flags2
& TG3_FLG2_PCI_EXPRESS
)
6769 pcie_set_readrq(tp
->pdev
, 4096);
6771 pci_write_config_byte(tp
->pdev
, PCI_CACHE_LINE_SIZE
,
6772 tp
->pci_cacheline_sz
);
6773 pci_write_config_byte(tp
->pdev
, PCI_LATENCY_TIMER
,
6778 /* Make sure PCI-X relaxed ordering bit is clear. */
6779 if (tp
->tg3_flags
& TG3_FLAG_PCIX_MODE
) {
6782 pci_read_config_word(tp
->pdev
, tp
->pcix_cap
+ PCI_X_CMD
,
6784 pcix_cmd
&= ~PCI_X_CMD_ERO
;
6785 pci_write_config_word(tp
->pdev
, tp
->pcix_cap
+ PCI_X_CMD
,
6789 if (tp
->tg3_flags2
& TG3_FLG2_5780_CLASS
) {
6791 /* Chip reset on 5780 will reset MSI enable bit,
6792 * so need to restore it.
6794 if (tp
->tg3_flags2
& TG3_FLG2_USING_MSI
) {
6797 pci_read_config_word(tp
->pdev
,
6798 tp
->msi_cap
+ PCI_MSI_FLAGS
,
6800 pci_write_config_word(tp
->pdev
,
6801 tp
->msi_cap
+ PCI_MSI_FLAGS
,
6802 ctrl
| PCI_MSI_FLAGS_ENABLE
);
6803 val
= tr32(MSGINT_MODE
);
6804 tw32(MSGINT_MODE
, val
| MSGINT_MODE_ENABLE
);
6809 static void tg3_stop_fw(struct tg3
*);
6811 /* tp->lock is held. */
6812 static int tg3_chip_reset(struct tg3
*tp
)
6815 void (*write_op
)(struct tg3
*, u32
, u32
);
6820 tg3_ape_lock(tp
, TG3_APE_LOCK_GRC
);
6822 /* No matching tg3_nvram_unlock() after this because
6823 * chip reset below will undo the nvram lock.
6825 tp
->nvram_lock_cnt
= 0;
6827 /* GRC_MISC_CFG core clock reset will clear the memory
6828 * enable bit in PCI register 4 and the MSI enable bit
6829 * on some chips, so we save relevant registers here.
6831 tg3_save_pci_state(tp
);
6833 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5752
||
6834 (tp
->tg3_flags3
& TG3_FLG3_5755_PLUS
))
6835 tw32(GRC_FASTBOOT_PC
, 0);
6838 * We must avoid the readl() that normally takes place.
6839 * It locks machines, causes machine checks, and other
6840 * fun things. So, temporarily disable the 5701
6841 * hardware workaround, while we do the reset.
6843 write_op
= tp
->write32
;
6844 if (write_op
== tg3_write_flush_reg32
)
6845 tp
->write32
= tg3_write32
;
6847 /* Prevent the irq handler from reading or writing PCI registers
6848 * during chip reset when the memory enable bit in the PCI command
6849 * register may be cleared. The chip does not generate interrupt
6850 * at this time, but the irq handler may still be called due to irq
6851 * sharing or irqpoll.
6853 tp
->tg3_flags
|= TG3_FLAG_CHIP_RESETTING
;
6854 for (i
= 0; i
< tp
->irq_cnt
; i
++) {
6855 struct tg3_napi
*tnapi
= &tp
->napi
[i
];
6856 if (tnapi
->hw_status
) {
6857 tnapi
->hw_status
->status
= 0;
6858 tnapi
->hw_status
->status_tag
= 0;
6860 tnapi
->last_tag
= 0;
6861 tnapi
->last_irq_tag
= 0;
6865 for (i
= 0; i
< tp
->irq_cnt
; i
++)
6866 synchronize_irq(tp
->napi
[i
].irq_vec
);
6868 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57780
) {
6869 val
= tr32(TG3_PCIE_LNKCTL
) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN
;
6870 tw32(TG3_PCIE_LNKCTL
, val
| TG3_PCIE_LNKCTL_L1_PLL_PD_DIS
);
6874 val
= GRC_MISC_CFG_CORECLK_RESET
;
6876 if (tp
->tg3_flags2
& TG3_FLG2_PCI_EXPRESS
) {
6877 if (tr32(0x7e2c) == 0x60) {
6880 if (tp
->pci_chip_rev_id
!= CHIPREV_ID_5750_A0
) {
6881 tw32(GRC_MISC_CFG
, (1 << 29));
6886 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
) {
6887 tw32(VCPU_STATUS
, tr32(VCPU_STATUS
) | VCPU_STATUS_DRV_RESET
);
6888 tw32(GRC_VCPU_EXT_CTRL
,
6889 tr32(GRC_VCPU_EXT_CTRL
) & ~GRC_VCPU_EXT_CTRL_HALT_CPU
);
6892 if (tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
)
6893 val
|= GRC_MISC_CFG_KEEP_GPHY_POWER
;
6894 tw32(GRC_MISC_CFG
, val
);
6896 /* restore 5701 hardware bug workaround write method */
6897 tp
->write32
= write_op
;
6899 /* Unfortunately, we have to delay before the PCI read back.
6900 * Some 575X chips even will not respond to a PCI cfg access
6901 * when the reset command is given to the chip.
6903 * How do these hardware designers expect things to work
6904 * properly if the PCI write is posted for a long period
6905 * of time? It is always necessary to have some method by
6906 * which a register read back can occur to push the write
6907 * out which does the reset.
6909 * For most tg3 variants the trick below was working.
6914 /* Flush PCI posted writes. The normal MMIO registers
6915 * are inaccessible at this time so this is the only
6916 * way to make this reliably (actually, this is no longer
6917 * the case, see above). I tried to use indirect
6918 * register read/write but this upset some 5701 variants.
6920 pci_read_config_dword(tp
->pdev
, PCI_COMMAND
, &val
);
6924 if ((tp
->tg3_flags2
& TG3_FLG2_PCI_EXPRESS
) && tp
->pcie_cap
) {
6927 if (tp
->pci_chip_rev_id
== CHIPREV_ID_5750_A0
) {
6931 /* Wait for link training to complete. */
6932 for (i
= 0; i
< 5000; i
++)
6935 pci_read_config_dword(tp
->pdev
, 0xc4, &cfg_val
);
6936 pci_write_config_dword(tp
->pdev
, 0xc4,
6937 cfg_val
| (1 << 15));
6940 /* Clear the "no snoop" and "relaxed ordering" bits. */
6941 pci_read_config_word(tp
->pdev
,
6942 tp
->pcie_cap
+ PCI_EXP_DEVCTL
,
6944 val16
&= ~(PCI_EXP_DEVCTL_RELAX_EN
|
6945 PCI_EXP_DEVCTL_NOSNOOP_EN
);
6947 * Older PCIe devices only support the 128 byte
6948 * MPS setting. Enforce the restriction.
6950 if (!(tp
->tg3_flags
& TG3_FLAG_CPMU_PRESENT
) ||
6951 (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5784
))
6952 val16
&= ~PCI_EXP_DEVCTL_PAYLOAD
;
6953 pci_write_config_word(tp
->pdev
,
6954 tp
->pcie_cap
+ PCI_EXP_DEVCTL
,
6957 pcie_set_readrq(tp
->pdev
, 4096);
6959 /* Clear error status */
6960 pci_write_config_word(tp
->pdev
,
6961 tp
->pcie_cap
+ PCI_EXP_DEVSTA
,
6962 PCI_EXP_DEVSTA_CED
|
6963 PCI_EXP_DEVSTA_NFED
|
6964 PCI_EXP_DEVSTA_FED
|
6965 PCI_EXP_DEVSTA_URD
);
6968 tg3_restore_pci_state(tp
);
6970 tp
->tg3_flags
&= ~TG3_FLAG_CHIP_RESETTING
;
6973 if (tp
->tg3_flags2
& TG3_FLG2_5780_CLASS
)
6974 val
= tr32(MEMARB_MODE
);
6975 tw32(MEMARB_MODE
, val
| MEMARB_MODE_ENABLE
);
6977 if (tp
->pci_chip_rev_id
== CHIPREV_ID_5750_A3
) {
6979 tw32(0x5000, 0x400);
6982 tw32(GRC_MODE
, tp
->grc_mode
);
6984 if (tp
->pci_chip_rev_id
== CHIPREV_ID_5705_A0
) {
6987 tw32(0xc4, val
| (1 << 15));
6990 if ((tp
->nic_sram_data_cfg
& NIC_SRAM_DATA_CFG_MINI_PCI
) != 0 &&
6991 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5705
) {
6992 tp
->pci_clock_ctrl
|= CLOCK_CTRL_CLKRUN_OENABLE
;
6993 if (tp
->pci_chip_rev_id
== CHIPREV_ID_5705_A0
)
6994 tp
->pci_clock_ctrl
|= CLOCK_CTRL_FORCE_CLKRUN
;
6995 tw32(TG3PCI_CLOCK_CTRL
, tp
->pci_clock_ctrl
);
6998 if (tp
->tg3_flags2
& TG3_FLG2_PHY_SERDES
) {
6999 tp
->mac_mode
= MAC_MODE_PORT_MODE_TBI
;
7000 tw32_f(MAC_MODE
, tp
->mac_mode
);
7001 } else if (tp
->tg3_flags2
& TG3_FLG2_MII_SERDES
) {
7002 tp
->mac_mode
= MAC_MODE_PORT_MODE_GMII
;
7003 tw32_f(MAC_MODE
, tp
->mac_mode
);
7004 } else if (tp
->tg3_flags3
& TG3_FLG3_ENABLE_APE
) {
7005 tp
->mac_mode
&= (MAC_MODE_APE_TX_EN
| MAC_MODE_APE_RX_EN
);
7006 if (tp
->mac_mode
& MAC_MODE_APE_TX_EN
)
7007 tp
->mac_mode
|= MAC_MODE_TDE_ENABLE
;
7008 tw32_f(MAC_MODE
, tp
->mac_mode
);
7010 tw32_f(MAC_MODE
, 0);
7013 tg3_ape_unlock(tp
, TG3_APE_LOCK_GRC
);
7015 err
= tg3_poll_fw(tp
);
7021 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57780
) {
7024 phy_addr
= tp
->phy_addr
;
7025 tp
->phy_addr
= TG3_PHY_PCIE_ADDR
;
7027 tg3_writephy(tp
, TG3_PCIEPHY_BLOCK_ADDR
,
7028 TG3_PCIEPHY_TXB_BLK
<< TG3_PCIEPHY_BLOCK_SHIFT
);
7029 val
= TG3_PCIEPHY_TX0CTRL1_TXOCM
| TG3_PCIEPHY_TX0CTRL1_RDCTL
|
7030 TG3_PCIEPHY_TX0CTRL1_TXCMV
| TG3_PCIEPHY_TX0CTRL1_TKSEL
|
7031 TG3_PCIEPHY_TX0CTRL1_NB_EN
;
7032 tg3_writephy(tp
, TG3_PCIEPHY_TX0CTRL1
, val
);
7035 tg3_writephy(tp
, TG3_PCIEPHY_BLOCK_ADDR
,
7036 TG3_PCIEPHY_XGXS_BLK1
<< TG3_PCIEPHY_BLOCK_SHIFT
);
7037 val
= TG3_PCIEPHY_PWRMGMT4_LOWPWR_EN
|
7038 TG3_PCIEPHY_PWRMGMT4_L1PLLPD_EN
;
7039 tg3_writephy(tp
, TG3_PCIEPHY_PWRMGMT4
, val
);
7042 tp
->phy_addr
= phy_addr
;
7045 if ((tp
->tg3_flags2
& TG3_FLG2_PCI_EXPRESS
) &&
7046 tp
->pci_chip_rev_id
!= CHIPREV_ID_5750_A0
&&
7047 GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5785
&&
7048 GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5717
&&
7049 GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_57765
) {
7052 tw32(0x7c00, val
| (1 << 25));
7055 /* Reprobe ASF enable state. */
7056 tp
->tg3_flags
&= ~TG3_FLAG_ENABLE_ASF
;
7057 tp
->tg3_flags2
&= ~TG3_FLG2_ASF_NEW_HANDSHAKE
;
7058 tg3_read_mem(tp
, NIC_SRAM_DATA_SIG
, &val
);
7059 if (val
== NIC_SRAM_DATA_SIG_MAGIC
) {
7062 tg3_read_mem(tp
, NIC_SRAM_DATA_CFG
, &nic_cfg
);
7063 if (nic_cfg
& NIC_SRAM_DATA_CFG_ASF_ENABLE
) {
7064 tp
->tg3_flags
|= TG3_FLAG_ENABLE_ASF
;
7065 tp
->last_event_jiffies
= jiffies
;
7066 if (tp
->tg3_flags2
& TG3_FLG2_5750_PLUS
)
7067 tp
->tg3_flags2
|= TG3_FLG2_ASF_NEW_HANDSHAKE
;
7074 /* tp->lock is held. */
7075 static void tg3_stop_fw(struct tg3
*tp
)
7077 if ((tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
) &&
7078 !(tp
->tg3_flags3
& TG3_FLG3_ENABLE_APE
)) {
7079 /* Wait for RX cpu to ACK the previous event. */
7080 tg3_wait_for_event_ack(tp
);
7082 tg3_write_mem(tp
, NIC_SRAM_FW_CMD_MBOX
, FWCMD_NICDRV_PAUSE_FW
);
7084 tg3_generate_fw_event(tp
);
7086 /* Wait for RX cpu to ACK this event. */
7087 tg3_wait_for_event_ack(tp
);
7091 /* tp->lock is held. */
7092 static int tg3_halt(struct tg3
*tp
, int kind
, int silent
)
7098 tg3_write_sig_pre_reset(tp
, kind
);
7100 tg3_abort_hw(tp
, silent
);
7101 err
= tg3_chip_reset(tp
);
7103 __tg3_set_mac_addr(tp
, 0);
7105 tg3_write_sig_legacy(tp
, kind
);
7106 tg3_write_sig_post_reset(tp
, kind
);
7114 #define RX_CPU_SCRATCH_BASE 0x30000
7115 #define RX_CPU_SCRATCH_SIZE 0x04000
7116 #define TX_CPU_SCRATCH_BASE 0x34000
7117 #define TX_CPU_SCRATCH_SIZE 0x04000
7119 /* tp->lock is held. */
7120 static int tg3_halt_cpu(struct tg3
*tp
, u32 offset
)
7124 BUG_ON(offset
== TX_CPU_BASE
&&
7125 (tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
));
7127 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
) {
7128 u32 val
= tr32(GRC_VCPU_EXT_CTRL
);
7130 tw32(GRC_VCPU_EXT_CTRL
, val
| GRC_VCPU_EXT_CTRL_HALT_CPU
);
7133 if (offset
== RX_CPU_BASE
) {
7134 for (i
= 0; i
< 10000; i
++) {
7135 tw32(offset
+ CPU_STATE
, 0xffffffff);
7136 tw32(offset
+ CPU_MODE
, CPU_MODE_HALT
);
7137 if (tr32(offset
+ CPU_MODE
) & CPU_MODE_HALT
)
7141 tw32(offset
+ CPU_STATE
, 0xffffffff);
7142 tw32_f(offset
+ CPU_MODE
, CPU_MODE_HALT
);
7145 for (i
= 0; i
< 10000; i
++) {
7146 tw32(offset
+ CPU_STATE
, 0xffffffff);
7147 tw32(offset
+ CPU_MODE
, CPU_MODE_HALT
);
7148 if (tr32(offset
+ CPU_MODE
) & CPU_MODE_HALT
)
7154 printk(KERN_ERR PFX
"tg3_reset_cpu timed out for %s, "
7157 (offset
== RX_CPU_BASE
? "RX" : "TX"));
7161 /* Clear firmware's nvram arbitration. */
7162 if (tp
->tg3_flags
& TG3_FLAG_NVRAM
)
7163 tw32(NVRAM_SWARB
, SWARB_REQ_CLR0
);
7168 unsigned int fw_base
;
7169 unsigned int fw_len
;
7170 const __be32
*fw_data
;
7173 /* tp->lock is held. */
7174 static int tg3_load_firmware_cpu(struct tg3
*tp
, u32 cpu_base
, u32 cpu_scratch_base
,
7175 int cpu_scratch_size
, struct fw_info
*info
)
7177 int err
, lock_err
, i
;
7178 void (*write_op
)(struct tg3
*, u32
, u32
);
7180 if (cpu_base
== TX_CPU_BASE
&&
7181 (tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
)) {
7182 printk(KERN_ERR PFX
"tg3_load_firmware_cpu: Trying to load "
7183 "TX cpu firmware on %s which is 5705.\n",
7188 if (tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
)
7189 write_op
= tg3_write_mem
;
7191 write_op
= tg3_write_indirect_reg32
;
7193 /* It is possible that bootcode is still loading at this point.
7194 * Get the nvram lock first before halting the cpu.
7196 lock_err
= tg3_nvram_lock(tp
);
7197 err
= tg3_halt_cpu(tp
, cpu_base
);
7199 tg3_nvram_unlock(tp
);
7203 for (i
= 0; i
< cpu_scratch_size
; i
+= sizeof(u32
))
7204 write_op(tp
, cpu_scratch_base
+ i
, 0);
7205 tw32(cpu_base
+ CPU_STATE
, 0xffffffff);
7206 tw32(cpu_base
+ CPU_MODE
, tr32(cpu_base
+CPU_MODE
)|CPU_MODE_HALT
);
7207 for (i
= 0; i
< (info
->fw_len
/ sizeof(u32
)); i
++)
7208 write_op(tp
, (cpu_scratch_base
+
7209 (info
->fw_base
& 0xffff) +
7211 be32_to_cpu(info
->fw_data
[i
]));
7219 /* tp->lock is held. */
7220 static int tg3_load_5701_a0_firmware_fix(struct tg3
*tp
)
7222 struct fw_info info
;
7223 const __be32
*fw_data
;
7226 fw_data
= (void *)tp
->fw
->data
;
7228 /* Firmware blob starts with version numbers, followed by
7229 start address and length. We are setting complete length.
7230 length = end_address_of_bss - start_address_of_text.
7231 Remainder is the blob to be loaded contiguously
7232 from start address. */
7234 info
.fw_base
= be32_to_cpu(fw_data
[1]);
7235 info
.fw_len
= tp
->fw
->size
- 12;
7236 info
.fw_data
= &fw_data
[3];
7238 err
= tg3_load_firmware_cpu(tp
, RX_CPU_BASE
,
7239 RX_CPU_SCRATCH_BASE
, RX_CPU_SCRATCH_SIZE
,
7244 err
= tg3_load_firmware_cpu(tp
, TX_CPU_BASE
,
7245 TX_CPU_SCRATCH_BASE
, TX_CPU_SCRATCH_SIZE
,
7250 /* Now startup only the RX cpu. */
7251 tw32(RX_CPU_BASE
+ CPU_STATE
, 0xffffffff);
7252 tw32_f(RX_CPU_BASE
+ CPU_PC
, info
.fw_base
);
7254 for (i
= 0; i
< 5; i
++) {
7255 if (tr32(RX_CPU_BASE
+ CPU_PC
) == info
.fw_base
)
7257 tw32(RX_CPU_BASE
+ CPU_STATE
, 0xffffffff);
7258 tw32(RX_CPU_BASE
+ CPU_MODE
, CPU_MODE_HALT
);
7259 tw32_f(RX_CPU_BASE
+ CPU_PC
, info
.fw_base
);
7263 printk(KERN_ERR PFX
"tg3_load_firmware fails for %s "
7264 "to set RX CPU PC, is %08x should be %08x\n",
7265 tp
->dev
->name
, tr32(RX_CPU_BASE
+ CPU_PC
),
7269 tw32(RX_CPU_BASE
+ CPU_STATE
, 0xffffffff);
7270 tw32_f(RX_CPU_BASE
+ CPU_MODE
, 0x00000000);
7275 /* 5705 needs a special version of the TSO firmware. */
7277 /* tp->lock is held. */
7278 static int tg3_load_tso_firmware(struct tg3
*tp
)
7280 struct fw_info info
;
7281 const __be32
*fw_data
;
7282 unsigned long cpu_base
, cpu_scratch_base
, cpu_scratch_size
;
7285 if (tp
->tg3_flags2
& TG3_FLG2_HW_TSO
)
7288 fw_data
= (void *)tp
->fw
->data
;
7290 /* Firmware blob starts with version numbers, followed by
7291 start address and length. We are setting complete length.
7292 length = end_address_of_bss - start_address_of_text.
7293 Remainder is the blob to be loaded contiguously
7294 from start address. */
7296 info
.fw_base
= be32_to_cpu(fw_data
[1]);
7297 cpu_scratch_size
= tp
->fw_len
;
7298 info
.fw_len
= tp
->fw
->size
- 12;
7299 info
.fw_data
= &fw_data
[3];
7301 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5705
) {
7302 cpu_base
= RX_CPU_BASE
;
7303 cpu_scratch_base
= NIC_SRAM_MBUF_POOL_BASE5705
;
7305 cpu_base
= TX_CPU_BASE
;
7306 cpu_scratch_base
= TX_CPU_SCRATCH_BASE
;
7307 cpu_scratch_size
= TX_CPU_SCRATCH_SIZE
;
7310 err
= tg3_load_firmware_cpu(tp
, cpu_base
,
7311 cpu_scratch_base
, cpu_scratch_size
,
7316 /* Now startup the cpu. */
7317 tw32(cpu_base
+ CPU_STATE
, 0xffffffff);
7318 tw32_f(cpu_base
+ CPU_PC
, info
.fw_base
);
7320 for (i
= 0; i
< 5; i
++) {
7321 if (tr32(cpu_base
+ CPU_PC
) == info
.fw_base
)
7323 tw32(cpu_base
+ CPU_STATE
, 0xffffffff);
7324 tw32(cpu_base
+ CPU_MODE
, CPU_MODE_HALT
);
7325 tw32_f(cpu_base
+ CPU_PC
, info
.fw_base
);
7329 printk(KERN_ERR PFX
"tg3_load_tso_firmware fails for %s "
7330 "to set CPU PC, is %08x should be %08x\n",
7331 tp
->dev
->name
, tr32(cpu_base
+ CPU_PC
),
7335 tw32(cpu_base
+ CPU_STATE
, 0xffffffff);
7336 tw32_f(cpu_base
+ CPU_MODE
, 0x00000000);
7341 static int tg3_set_mac_addr(struct net_device
*dev
, void *p
)
7343 struct tg3
*tp
= netdev_priv(dev
);
7344 struct sockaddr
*addr
= p
;
7345 int err
= 0, skip_mac_1
= 0;
7347 if (!is_valid_ether_addr(addr
->sa_data
))
7350 memcpy(dev
->dev_addr
, addr
->sa_data
, dev
->addr_len
);
7352 if (!netif_running(dev
))
7355 if (tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
) {
7356 u32 addr0_high
, addr0_low
, addr1_high
, addr1_low
;
7358 addr0_high
= tr32(MAC_ADDR_0_HIGH
);
7359 addr0_low
= tr32(MAC_ADDR_0_LOW
);
7360 addr1_high
= tr32(MAC_ADDR_1_HIGH
);
7361 addr1_low
= tr32(MAC_ADDR_1_LOW
);
7363 /* Skip MAC addr 1 if ASF is using it. */
7364 if ((addr0_high
!= addr1_high
|| addr0_low
!= addr1_low
) &&
7365 !(addr1_high
== 0 && addr1_low
== 0))
7368 spin_lock_bh(&tp
->lock
);
7369 __tg3_set_mac_addr(tp
, skip_mac_1
);
7370 spin_unlock_bh(&tp
->lock
);
7375 /* tp->lock is held. */
7376 static void tg3_set_bdinfo(struct tg3
*tp
, u32 bdinfo_addr
,
7377 dma_addr_t mapping
, u32 maxlen_flags
,
7381 (bdinfo_addr
+ TG3_BDINFO_HOST_ADDR
+ TG3_64BIT_REG_HIGH
),
7382 ((u64
) mapping
>> 32));
7384 (bdinfo_addr
+ TG3_BDINFO_HOST_ADDR
+ TG3_64BIT_REG_LOW
),
7385 ((u64
) mapping
& 0xffffffff));
7387 (bdinfo_addr
+ TG3_BDINFO_MAXLEN_FLAGS
),
7390 if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
))
7392 (bdinfo_addr
+ TG3_BDINFO_NIC_ADDR
),
7396 static void __tg3_set_rx_mode(struct net_device
*);
7397 static void __tg3_set_coalesce(struct tg3
*tp
, struct ethtool_coalesce
*ec
)
7401 if (!(tp
->tg3_flags3
& TG3_FLG3_ENABLE_TSS
)) {
7402 tw32(HOSTCC_TXCOL_TICKS
, ec
->tx_coalesce_usecs
);
7403 tw32(HOSTCC_TXMAX_FRAMES
, ec
->tx_max_coalesced_frames
);
7404 tw32(HOSTCC_TXCOAL_MAXF_INT
, ec
->tx_max_coalesced_frames_irq
);
7406 tw32(HOSTCC_TXCOL_TICKS
, 0);
7407 tw32(HOSTCC_TXMAX_FRAMES
, 0);
7408 tw32(HOSTCC_TXCOAL_MAXF_INT
, 0);
7411 if (!(tp
->tg3_flags2
& TG3_FLG2_USING_MSIX
)) {
7412 tw32(HOSTCC_RXCOL_TICKS
, ec
->rx_coalesce_usecs
);
7413 tw32(HOSTCC_RXMAX_FRAMES
, ec
->rx_max_coalesced_frames
);
7414 tw32(HOSTCC_RXCOAL_MAXF_INT
, ec
->rx_max_coalesced_frames_irq
);
7416 tw32(HOSTCC_RXCOL_TICKS
, 0);
7417 tw32(HOSTCC_RXMAX_FRAMES
, 0);
7418 tw32(HOSTCC_RXCOAL_MAXF_INT
, 0);
7421 if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
)) {
7422 u32 val
= ec
->stats_block_coalesce_usecs
;
7424 tw32(HOSTCC_RXCOAL_TICK_INT
, ec
->rx_coalesce_usecs_irq
);
7425 tw32(HOSTCC_TXCOAL_TICK_INT
, ec
->tx_coalesce_usecs_irq
);
7427 if (!netif_carrier_ok(tp
->dev
))
7430 tw32(HOSTCC_STAT_COAL_TICKS
, val
);
7433 for (i
= 0; i
< tp
->irq_cnt
- 1; i
++) {
7436 reg
= HOSTCC_RXCOL_TICKS_VEC1
+ i
* 0x18;
7437 tw32(reg
, ec
->rx_coalesce_usecs
);
7438 reg
= HOSTCC_RXMAX_FRAMES_VEC1
+ i
* 0x18;
7439 tw32(reg
, ec
->rx_max_coalesced_frames
);
7440 reg
= HOSTCC_RXCOAL_MAXF_INT_VEC1
+ i
* 0x18;
7441 tw32(reg
, ec
->rx_max_coalesced_frames_irq
);
7443 if (tp
->tg3_flags3
& TG3_FLG3_ENABLE_TSS
) {
7444 reg
= HOSTCC_TXCOL_TICKS_VEC1
+ i
* 0x18;
7445 tw32(reg
, ec
->tx_coalesce_usecs
);
7446 reg
= HOSTCC_TXMAX_FRAMES_VEC1
+ i
* 0x18;
7447 tw32(reg
, ec
->tx_max_coalesced_frames
);
7448 reg
= HOSTCC_TXCOAL_MAXF_INT_VEC1
+ i
* 0x18;
7449 tw32(reg
, ec
->tx_max_coalesced_frames_irq
);
7453 for (; i
< tp
->irq_max
- 1; i
++) {
7454 tw32(HOSTCC_RXCOL_TICKS_VEC1
+ i
* 0x18, 0);
7455 tw32(HOSTCC_RXMAX_FRAMES_VEC1
+ i
* 0x18, 0);
7456 tw32(HOSTCC_RXCOAL_MAXF_INT_VEC1
+ i
* 0x18, 0);
7458 if (tp
->tg3_flags3
& TG3_FLG3_ENABLE_TSS
) {
7459 tw32(HOSTCC_TXCOL_TICKS_VEC1
+ i
* 0x18, 0);
7460 tw32(HOSTCC_TXMAX_FRAMES_VEC1
+ i
* 0x18, 0);
7461 tw32(HOSTCC_TXCOAL_MAXF_INT_VEC1
+ i
* 0x18, 0);
7466 /* tp->lock is held. */
7467 static void tg3_rings_reset(struct tg3
*tp
)
7470 u32 stblk
, txrcb
, rxrcb
, limit
;
7471 struct tg3_napi
*tnapi
= &tp
->napi
[0];
7473 /* Disable all transmit rings but the first. */
7474 if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
))
7475 limit
= NIC_SRAM_SEND_RCB
+ TG3_BDINFO_SIZE
* 16;
7476 else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
)
7477 limit
= NIC_SRAM_SEND_RCB
+ TG3_BDINFO_SIZE
* 2;
7479 limit
= NIC_SRAM_SEND_RCB
+ TG3_BDINFO_SIZE
;
7481 for (txrcb
= NIC_SRAM_SEND_RCB
+ TG3_BDINFO_SIZE
;
7482 txrcb
< limit
; txrcb
+= TG3_BDINFO_SIZE
)
7483 tg3_write_mem(tp
, txrcb
+ TG3_BDINFO_MAXLEN_FLAGS
,
7484 BDINFO_FLAGS_DISABLED
);
7487 /* Disable all receive return rings but the first. */
7488 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
)
7489 limit
= NIC_SRAM_RCV_RET_RCB
+ TG3_BDINFO_SIZE
* 17;
7490 else if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
))
7491 limit
= NIC_SRAM_RCV_RET_RCB
+ TG3_BDINFO_SIZE
* 16;
7492 else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5755
||
7493 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
)
7494 limit
= NIC_SRAM_RCV_RET_RCB
+ TG3_BDINFO_SIZE
* 4;
7496 limit
= NIC_SRAM_RCV_RET_RCB
+ TG3_BDINFO_SIZE
;
7498 for (rxrcb
= NIC_SRAM_RCV_RET_RCB
+ TG3_BDINFO_SIZE
;
7499 rxrcb
< limit
; rxrcb
+= TG3_BDINFO_SIZE
)
7500 tg3_write_mem(tp
, rxrcb
+ TG3_BDINFO_MAXLEN_FLAGS
,
7501 BDINFO_FLAGS_DISABLED
);
7503 /* Disable interrupts */
7504 tw32_mailbox_f(tp
->napi
[0].int_mbox
, 1);
7506 /* Zero mailbox registers. */
7507 if (tp
->tg3_flags
& TG3_FLAG_SUPPORT_MSIX
) {
7508 for (i
= 1; i
< TG3_IRQ_MAX_VECS
; i
++) {
7509 tp
->napi
[i
].tx_prod
= 0;
7510 tp
->napi
[i
].tx_cons
= 0;
7511 if (tp
->tg3_flags3
& TG3_FLG3_ENABLE_TSS
)
7512 tw32_mailbox(tp
->napi
[i
].prodmbox
, 0);
7513 tw32_rx_mbox(tp
->napi
[i
].consmbox
, 0);
7514 tw32_mailbox_f(tp
->napi
[i
].int_mbox
, 1);
7516 if (!(tp
->tg3_flags3
& TG3_FLG3_ENABLE_TSS
))
7517 tw32_mailbox(tp
->napi
[0].prodmbox
, 0);
7519 tp
->napi
[0].tx_prod
= 0;
7520 tp
->napi
[0].tx_cons
= 0;
7521 tw32_mailbox(tp
->napi
[0].prodmbox
, 0);
7522 tw32_rx_mbox(tp
->napi
[0].consmbox
, 0);
7525 /* Make sure the NIC-based send BD rings are disabled. */
7526 if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
)) {
7527 u32 mbox
= MAILBOX_SNDNIC_PROD_IDX_0
+ TG3_64BIT_REG_LOW
;
7528 for (i
= 0; i
< 16; i
++)
7529 tw32_tx_mbox(mbox
+ i
* 8, 0);
7532 txrcb
= NIC_SRAM_SEND_RCB
;
7533 rxrcb
= NIC_SRAM_RCV_RET_RCB
;
7535 /* Clear status block in ram. */
7536 memset(tnapi
->hw_status
, 0, TG3_HW_STATUS_SIZE
);
7538 /* Set status block DMA address */
7539 tw32(HOSTCC_STATUS_BLK_HOST_ADDR
+ TG3_64BIT_REG_HIGH
,
7540 ((u64
) tnapi
->status_mapping
>> 32));
7541 tw32(HOSTCC_STATUS_BLK_HOST_ADDR
+ TG3_64BIT_REG_LOW
,
7542 ((u64
) tnapi
->status_mapping
& 0xffffffff));
7544 if (tnapi
->tx_ring
) {
7545 tg3_set_bdinfo(tp
, txrcb
, tnapi
->tx_desc_mapping
,
7546 (TG3_TX_RING_SIZE
<<
7547 BDINFO_FLAGS_MAXLEN_SHIFT
),
7548 NIC_SRAM_TX_BUFFER_DESC
);
7549 txrcb
+= TG3_BDINFO_SIZE
;
7552 if (tnapi
->rx_rcb
) {
7553 tg3_set_bdinfo(tp
, rxrcb
, tnapi
->rx_rcb_mapping
,
7554 (TG3_RX_RCB_RING_SIZE(tp
) <<
7555 BDINFO_FLAGS_MAXLEN_SHIFT
), 0);
7556 rxrcb
+= TG3_BDINFO_SIZE
;
7559 stblk
= HOSTCC_STATBLCK_RING1
;
7561 for (i
= 1, tnapi
++; i
< tp
->irq_cnt
; i
++, tnapi
++) {
7562 u64 mapping
= (u64
)tnapi
->status_mapping
;
7563 tw32(stblk
+ TG3_64BIT_REG_HIGH
, mapping
>> 32);
7564 tw32(stblk
+ TG3_64BIT_REG_LOW
, mapping
& 0xffffffff);
7566 /* Clear status block in ram. */
7567 memset(tnapi
->hw_status
, 0, TG3_HW_STATUS_SIZE
);
7569 if (tnapi
->tx_ring
) {
7570 tg3_set_bdinfo(tp
, txrcb
, tnapi
->tx_desc_mapping
,
7571 (TG3_TX_RING_SIZE
<<
7572 BDINFO_FLAGS_MAXLEN_SHIFT
),
7573 NIC_SRAM_TX_BUFFER_DESC
);
7574 txrcb
+= TG3_BDINFO_SIZE
;
7577 tg3_set_bdinfo(tp
, rxrcb
, tnapi
->rx_rcb_mapping
,
7578 (TG3_RX_RCB_RING_SIZE(tp
) <<
7579 BDINFO_FLAGS_MAXLEN_SHIFT
), 0);
7582 rxrcb
+= TG3_BDINFO_SIZE
;
7586 /* tp->lock is held. */
7587 static int tg3_reset_hw(struct tg3
*tp
, int reset_phy
)
7589 u32 val
, rdmac_mode
;
7591 struct tg3_rx_prodring_set
*tpr
= &tp
->prodring
[0];
7593 tg3_disable_ints(tp
);
7597 tg3_write_sig_pre_reset(tp
, RESET_KIND_INIT
);
7599 if (tp
->tg3_flags
& TG3_FLAG_INIT_COMPLETE
) {
7600 tg3_abort_hw(tp
, 1);
7606 err
= tg3_chip_reset(tp
);
7610 tg3_write_sig_legacy(tp
, RESET_KIND_INIT
);
7612 if (GET_CHIP_REV(tp
->pci_chip_rev_id
) == CHIPREV_5784_AX
) {
7613 val
= tr32(TG3_CPMU_CTRL
);
7614 val
&= ~(CPMU_CTRL_LINK_AWARE_MODE
| CPMU_CTRL_LINK_IDLE_MODE
);
7615 tw32(TG3_CPMU_CTRL
, val
);
7617 val
= tr32(TG3_CPMU_LSPD_10MB_CLK
);
7618 val
&= ~CPMU_LSPD_10MB_MACCLK_MASK
;
7619 val
|= CPMU_LSPD_10MB_MACCLK_6_25
;
7620 tw32(TG3_CPMU_LSPD_10MB_CLK
, val
);
7622 val
= tr32(TG3_CPMU_LNK_AWARE_PWRMD
);
7623 val
&= ~CPMU_LNK_AWARE_MACCLK_MASK
;
7624 val
|= CPMU_LNK_AWARE_MACCLK_6_25
;
7625 tw32(TG3_CPMU_LNK_AWARE_PWRMD
, val
);
7627 val
= tr32(TG3_CPMU_HST_ACC
);
7628 val
&= ~CPMU_HST_ACC_MACCLK_MASK
;
7629 val
|= CPMU_HST_ACC_MACCLK_6_25
;
7630 tw32(TG3_CPMU_HST_ACC
, val
);
7633 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57780
) {
7634 val
= tr32(PCIE_PWR_MGMT_THRESH
) & ~PCIE_PWR_MGMT_L1_THRESH_MSK
;
7635 val
|= PCIE_PWR_MGMT_EXT_ASPM_TMR_EN
|
7636 PCIE_PWR_MGMT_L1_THRESH_4MS
;
7637 tw32(PCIE_PWR_MGMT_THRESH
, val
);
7639 val
= tr32(TG3_PCIE_EIDLE_DELAY
) & ~TG3_PCIE_EIDLE_DELAY_MASK
;
7640 tw32(TG3_PCIE_EIDLE_DELAY
, val
| TG3_PCIE_EIDLE_DELAY_13_CLKS
);
7642 tw32(TG3_CORR_ERR_STAT
, TG3_CORR_ERR_STAT_CLEAR
);
7644 val
= tr32(TG3_PCIE_LNKCTL
) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN
;
7645 tw32(TG3_PCIE_LNKCTL
, val
| TG3_PCIE_LNKCTL_L1_PLL_PD_DIS
);
7648 if (tp
->tg3_flags3
& TG3_FLG3_L1PLLPD_EN
) {
7649 u32 grc_mode
= tr32(GRC_MODE
);
7651 /* Access the lower 1K of PL PCIE block registers. */
7652 val
= grc_mode
& ~GRC_MODE_PCIE_PORT_MASK
;
7653 tw32(GRC_MODE
, val
| GRC_MODE_PCIE_PL_SEL
);
7655 val
= tr32(TG3_PCIE_TLDLPL_PORT
+ TG3_PCIE_PL_LO_PHYCTL1
);
7656 tw32(TG3_PCIE_TLDLPL_PORT
+ TG3_PCIE_PL_LO_PHYCTL1
,
7657 val
| TG3_PCIE_PL_LO_PHYCTL1_L1PLLPD_EN
);
7659 tw32(GRC_MODE
, grc_mode
);
7662 /* This works around an issue with Athlon chipsets on
7663 * B3 tigon3 silicon. This bit has no effect on any
7664 * other revision. But do not set this on PCI Express
7665 * chips and don't even touch the clocks if the CPMU is present.
7667 if (!(tp
->tg3_flags
& TG3_FLAG_CPMU_PRESENT
)) {
7668 if (!(tp
->tg3_flags2
& TG3_FLG2_PCI_EXPRESS
))
7669 tp
->pci_clock_ctrl
|= CLOCK_CTRL_DELAY_PCI_GRANT
;
7670 tw32_f(TG3PCI_CLOCK_CTRL
, tp
->pci_clock_ctrl
);
7673 if (tp
->pci_chip_rev_id
== CHIPREV_ID_5704_A0
&&
7674 (tp
->tg3_flags
& TG3_FLAG_PCIX_MODE
)) {
7675 val
= tr32(TG3PCI_PCISTATE
);
7676 val
|= PCISTATE_RETRY_SAME_DMA
;
7677 tw32(TG3PCI_PCISTATE
, val
);
7680 if (tp
->tg3_flags3
& TG3_FLG3_ENABLE_APE
) {
7681 /* Allow reads and writes to the
7682 * APE register and memory space.
7684 val
= tr32(TG3PCI_PCISTATE
);
7685 val
|= PCISTATE_ALLOW_APE_CTLSPC_WR
|
7686 PCISTATE_ALLOW_APE_SHMEM_WR
;
7687 tw32(TG3PCI_PCISTATE
, val
);
7690 if (GET_CHIP_REV(tp
->pci_chip_rev_id
) == CHIPREV_5704_BX
) {
7691 /* Enable some hw fixes. */
7692 val
= tr32(TG3PCI_MSI_DATA
);
7693 val
|= (1 << 26) | (1 << 28) | (1 << 29);
7694 tw32(TG3PCI_MSI_DATA
, val
);
7697 /* Descriptor ring init may make accesses to the
7698 * NIC SRAM area to setup the TX descriptors, so we
7699 * can only do this after the hardware has been
7700 * successfully reset.
7702 err
= tg3_init_rings(tp
);
7706 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
||
7707 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
) {
7708 val
= tr32(TG3PCI_DMA_RW_CTRL
) &
7709 ~DMA_RWCTRL_DIS_CACHE_ALIGNMENT
;
7710 tw32(TG3PCI_DMA_RW_CTRL
, val
| tp
->dma_rwctrl
);
7711 } else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5784
&&
7712 GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5761
) {
7713 /* This value is determined during the probe time DMA
7714 * engine test, tg3_test_dma.
7716 tw32(TG3PCI_DMA_RW_CTRL
, tp
->dma_rwctrl
);
7719 tp
->grc_mode
&= ~(GRC_MODE_HOST_SENDBDS
|
7720 GRC_MODE_4X_NIC_SEND_RINGS
|
7721 GRC_MODE_NO_TX_PHDR_CSUM
|
7722 GRC_MODE_NO_RX_PHDR_CSUM
);
7723 tp
->grc_mode
|= GRC_MODE_HOST_SENDBDS
;
7725 /* Pseudo-header checksum is done by hardware logic and not
7726 * the offload processers, so make the chip do the pseudo-
7727 * header checksums on receive. For transmit it is more
7728 * convenient to do the pseudo-header checksum in software
7729 * as Linux does that on transmit for us in all cases.
7731 tp
->grc_mode
|= GRC_MODE_NO_TX_PHDR_CSUM
;
7735 (GRC_MODE_IRQ_ON_MAC_ATTN
| GRC_MODE_HOST_STACKUP
));
7737 /* Setup the timer prescalar register. Clock is always 66Mhz. */
7738 val
= tr32(GRC_MISC_CFG
);
7740 val
|= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT
);
7741 tw32(GRC_MISC_CFG
, val
);
7743 /* Initialize MBUF/DESC pool. */
7744 if (tp
->tg3_flags2
& TG3_FLG2_5750_PLUS
) {
7746 } else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5705
) {
7747 tw32(BUFMGR_MB_POOL_ADDR
, NIC_SRAM_MBUF_POOL_BASE
);
7748 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5704
)
7749 tw32(BUFMGR_MB_POOL_SIZE
, NIC_SRAM_MBUF_POOL_SIZE64
);
7751 tw32(BUFMGR_MB_POOL_SIZE
, NIC_SRAM_MBUF_POOL_SIZE96
);
7752 tw32(BUFMGR_DMA_DESC_POOL_ADDR
, NIC_SRAM_DMA_DESC_POOL_BASE
);
7753 tw32(BUFMGR_DMA_DESC_POOL_SIZE
, NIC_SRAM_DMA_DESC_POOL_SIZE
);
7755 else if (tp
->tg3_flags2
& TG3_FLG2_TSO_CAPABLE
) {
7758 fw_len
= tp
->fw_len
;
7759 fw_len
= (fw_len
+ (0x80 - 1)) & ~(0x80 - 1);
7760 tw32(BUFMGR_MB_POOL_ADDR
,
7761 NIC_SRAM_MBUF_POOL_BASE5705
+ fw_len
);
7762 tw32(BUFMGR_MB_POOL_SIZE
,
7763 NIC_SRAM_MBUF_POOL_SIZE5705
- fw_len
- 0xa00);
7766 if (tp
->dev
->mtu
<= ETH_DATA_LEN
) {
7767 tw32(BUFMGR_MB_RDMA_LOW_WATER
,
7768 tp
->bufmgr_config
.mbuf_read_dma_low_water
);
7769 tw32(BUFMGR_MB_MACRX_LOW_WATER
,
7770 tp
->bufmgr_config
.mbuf_mac_rx_low_water
);
7771 tw32(BUFMGR_MB_HIGH_WATER
,
7772 tp
->bufmgr_config
.mbuf_high_water
);
7774 tw32(BUFMGR_MB_RDMA_LOW_WATER
,
7775 tp
->bufmgr_config
.mbuf_read_dma_low_water_jumbo
);
7776 tw32(BUFMGR_MB_MACRX_LOW_WATER
,
7777 tp
->bufmgr_config
.mbuf_mac_rx_low_water_jumbo
);
7778 tw32(BUFMGR_MB_HIGH_WATER
,
7779 tp
->bufmgr_config
.mbuf_high_water_jumbo
);
7781 tw32(BUFMGR_DMA_LOW_WATER
,
7782 tp
->bufmgr_config
.dma_low_water
);
7783 tw32(BUFMGR_DMA_HIGH_WATER
,
7784 tp
->bufmgr_config
.dma_high_water
);
7786 tw32(BUFMGR_MODE
, BUFMGR_MODE_ENABLE
| BUFMGR_MODE_ATTN_ENABLE
);
7787 for (i
= 0; i
< 2000; i
++) {
7788 if (tr32(BUFMGR_MODE
) & BUFMGR_MODE_ENABLE
)
7793 printk(KERN_ERR PFX
"tg3_reset_hw cannot enable BUFMGR for %s.\n",
7798 /* Setup replenish threshold. */
7799 val
= tp
->rx_pending
/ 8;
7802 else if (val
> tp
->rx_std_max_post
)
7803 val
= tp
->rx_std_max_post
;
7804 else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
) {
7805 if (tp
->pci_chip_rev_id
== CHIPREV_ID_5906_A1
)
7806 tw32(ISO_PKT_TX
, (tr32(ISO_PKT_TX
) & ~0x3) | 0x2);
7808 if (val
> (TG3_RX_INTERNAL_RING_SZ_5906
/ 2))
7809 val
= TG3_RX_INTERNAL_RING_SZ_5906
/ 2;
7812 tw32(RCVBDI_STD_THRESH
, val
);
7814 /* Initialize TG3_BDINFO's at:
7815 * RCVDBDI_STD_BD: standard eth size rx ring
7816 * RCVDBDI_JUMBO_BD: jumbo frame rx ring
7817 * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
7820 * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
7821 * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
7822 * ring attribute flags
7823 * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
7825 * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
7826 * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
7828 * The size of each ring is fixed in the firmware, but the location is
7831 tw32(RCVDBDI_STD_BD
+ TG3_BDINFO_HOST_ADDR
+ TG3_64BIT_REG_HIGH
,
7832 ((u64
) tpr
->rx_std_mapping
>> 32));
7833 tw32(RCVDBDI_STD_BD
+ TG3_BDINFO_HOST_ADDR
+ TG3_64BIT_REG_LOW
,
7834 ((u64
) tpr
->rx_std_mapping
& 0xffffffff));
7835 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5717
)
7836 tw32(RCVDBDI_STD_BD
+ TG3_BDINFO_NIC_ADDR
,
7837 NIC_SRAM_RX_BUFFER_DESC
);
7839 /* Disable the mini ring */
7840 if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
))
7841 tw32(RCVDBDI_MINI_BD
+ TG3_BDINFO_MAXLEN_FLAGS
,
7842 BDINFO_FLAGS_DISABLED
);
7844 /* Program the jumbo buffer descriptor ring control
7845 * blocks on those devices that have them.
7847 if ((tp
->tg3_flags
& TG3_FLAG_JUMBO_CAPABLE
) &&
7848 !(tp
->tg3_flags2
& TG3_FLG2_5780_CLASS
)) {
7849 /* Setup replenish threshold. */
7850 tw32(RCVBDI_JUMBO_THRESH
, tp
->rx_jumbo_pending
/ 8);
7852 if (tp
->tg3_flags
& TG3_FLAG_JUMBO_RING_ENABLE
) {
7853 tw32(RCVDBDI_JUMBO_BD
+ TG3_BDINFO_HOST_ADDR
+ TG3_64BIT_REG_HIGH
,
7854 ((u64
) tpr
->rx_jmb_mapping
>> 32));
7855 tw32(RCVDBDI_JUMBO_BD
+ TG3_BDINFO_HOST_ADDR
+ TG3_64BIT_REG_LOW
,
7856 ((u64
) tpr
->rx_jmb_mapping
& 0xffffffff));
7857 tw32(RCVDBDI_JUMBO_BD
+ TG3_BDINFO_MAXLEN_FLAGS
,
7858 (RX_JUMBO_MAX_SIZE
<< BDINFO_FLAGS_MAXLEN_SHIFT
) |
7859 BDINFO_FLAGS_USE_EXT_RECV
);
7860 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5717
)
7861 tw32(RCVDBDI_JUMBO_BD
+ TG3_BDINFO_NIC_ADDR
,
7862 NIC_SRAM_RX_JUMBO_BUFFER_DESC
);
7864 tw32(RCVDBDI_JUMBO_BD
+ TG3_BDINFO_MAXLEN_FLAGS
,
7865 BDINFO_FLAGS_DISABLED
);
7868 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
||
7869 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
)
7870 val
= (RX_STD_MAX_SIZE_5705
<< BDINFO_FLAGS_MAXLEN_SHIFT
) |
7871 (RX_STD_MAX_SIZE
<< 2);
7873 val
= RX_STD_MAX_SIZE
<< BDINFO_FLAGS_MAXLEN_SHIFT
;
7875 val
= RX_STD_MAX_SIZE_5705
<< BDINFO_FLAGS_MAXLEN_SHIFT
;
7877 tw32(RCVDBDI_STD_BD
+ TG3_BDINFO_MAXLEN_FLAGS
, val
);
7879 tpr
->rx_std_prod_idx
= tp
->rx_pending
;
7880 tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG
, tpr
->rx_std_prod_idx
);
7882 tpr
->rx_jmb_prod_idx
= (tp
->tg3_flags
& TG3_FLAG_JUMBO_RING_ENABLE
) ?
7883 tp
->rx_jumbo_pending
: 0;
7884 tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG
, tpr
->rx_jmb_prod_idx
);
7886 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
||
7887 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
) {
7888 tw32(STD_REPLENISH_LWM
, 32);
7889 tw32(JMB_REPLENISH_LWM
, 16);
7892 tg3_rings_reset(tp
);
7894 /* Initialize MAC address and backoff seed. */
7895 __tg3_set_mac_addr(tp
, 0);
7897 /* MTU + ethernet header + FCS + optional VLAN tag */
7898 tw32(MAC_RX_MTU_SIZE
,
7899 tp
->dev
->mtu
+ ETH_HLEN
+ ETH_FCS_LEN
+ VLAN_HLEN
);
7901 /* The slot time is changed by tg3_setup_phy if we
7902 * run at gigabit with half duplex.
7904 tw32(MAC_TX_LENGTHS
,
7905 (2 << TX_LENGTHS_IPG_CRS_SHIFT
) |
7906 (6 << TX_LENGTHS_IPG_SHIFT
) |
7907 (32 << TX_LENGTHS_SLOT_TIME_SHIFT
));
7909 /* Receive rules. */
7910 tw32(MAC_RCV_RULE_CFG
, RCV_RULE_CFG_DEFAULT_CLASS
);
7911 tw32(RCVLPC_CONFIG
, 0x0181);
7913 /* Calculate RDMAC_MODE setting early, we need it to determine
7914 * the RCVLPC_STATE_ENABLE mask.
7916 rdmac_mode
= (RDMAC_MODE_ENABLE
| RDMAC_MODE_TGTABORT_ENAB
|
7917 RDMAC_MODE_MSTABORT_ENAB
| RDMAC_MODE_PARITYERR_ENAB
|
7918 RDMAC_MODE_ADDROFLOW_ENAB
| RDMAC_MODE_FIFOOFLOW_ENAB
|
7919 RDMAC_MODE_FIFOURUN_ENAB
| RDMAC_MODE_FIFOOREAD_ENAB
|
7920 RDMAC_MODE_LNGREAD_ENAB
);
7922 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
)
7923 rdmac_mode
|= RDMAC_MODE_MULT_DMA_RD_DIS
;
7925 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5784
||
7926 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5785
||
7927 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57780
)
7928 rdmac_mode
|= RDMAC_MODE_BD_SBD_CRPT_ENAB
|
7929 RDMAC_MODE_MBUF_RBD_CRPT_ENAB
|
7930 RDMAC_MODE_MBUF_SBD_CRPT_ENAB
;
7932 /* If statement applies to 5705 and 5750 PCI devices only */
7933 if ((GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5705
&&
7934 tp
->pci_chip_rev_id
!= CHIPREV_ID_5705_A0
) ||
7935 (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5750
)) {
7936 if (tp
->tg3_flags2
& TG3_FLG2_TSO_CAPABLE
&&
7937 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5705
) {
7938 rdmac_mode
|= RDMAC_MODE_FIFO_SIZE_128
;
7939 } else if (!(tr32(TG3PCI_PCISTATE
) & PCISTATE_BUS_SPEED_HIGH
) &&
7940 !(tp
->tg3_flags2
& TG3_FLG2_IS_5788
)) {
7941 rdmac_mode
|= RDMAC_MODE_FIFO_LONG_BURST
;
7945 if (tp
->tg3_flags2
& TG3_FLG2_PCI_EXPRESS
)
7946 rdmac_mode
|= RDMAC_MODE_FIFO_LONG_BURST
;
7948 if (tp
->tg3_flags2
& TG3_FLG2_HW_TSO
)
7949 rdmac_mode
|= RDMAC_MODE_IPV4_LSO_EN
;
7951 if ((tp
->tg3_flags2
& TG3_FLG2_HW_TSO_3
) ||
7952 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5785
||
7953 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57780
)
7954 rdmac_mode
|= RDMAC_MODE_IPV6_LSO_EN
;
7956 /* Receive/send statistics. */
7957 if (tp
->tg3_flags2
& TG3_FLG2_5750_PLUS
) {
7958 val
= tr32(RCVLPC_STATS_ENABLE
);
7959 val
&= ~RCVLPC_STATSENAB_DACK_FIX
;
7960 tw32(RCVLPC_STATS_ENABLE
, val
);
7961 } else if ((rdmac_mode
& RDMAC_MODE_FIFO_SIZE_128
) &&
7962 (tp
->tg3_flags2
& TG3_FLG2_TSO_CAPABLE
)) {
7963 val
= tr32(RCVLPC_STATS_ENABLE
);
7964 val
&= ~RCVLPC_STATSENAB_LNGBRST_RFIX
;
7965 tw32(RCVLPC_STATS_ENABLE
, val
);
7967 tw32(RCVLPC_STATS_ENABLE
, 0xffffff);
7969 tw32(RCVLPC_STATSCTRL
, RCVLPC_STATSCTRL_ENABLE
);
7970 tw32(SNDDATAI_STATSENAB
, 0xffffff);
7971 tw32(SNDDATAI_STATSCTRL
,
7972 (SNDDATAI_SCTRL_ENABLE
|
7973 SNDDATAI_SCTRL_FASTUPD
));
7975 /* Setup host coalescing engine. */
7976 tw32(HOSTCC_MODE
, 0);
7977 for (i
= 0; i
< 2000; i
++) {
7978 if (!(tr32(HOSTCC_MODE
) & HOSTCC_MODE_ENABLE
))
7983 __tg3_set_coalesce(tp
, &tp
->coal
);
7985 if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
)) {
7986 /* Status/statistics block address. See tg3_timer,
7987 * the tg3_periodic_fetch_stats call there, and
7988 * tg3_get_stats to see how this works for 5705/5750 chips.
7990 tw32(HOSTCC_STATS_BLK_HOST_ADDR
+ TG3_64BIT_REG_HIGH
,
7991 ((u64
) tp
->stats_mapping
>> 32));
7992 tw32(HOSTCC_STATS_BLK_HOST_ADDR
+ TG3_64BIT_REG_LOW
,
7993 ((u64
) tp
->stats_mapping
& 0xffffffff));
7994 tw32(HOSTCC_STATS_BLK_NIC_ADDR
, NIC_SRAM_STATS_BLK
);
7996 tw32(HOSTCC_STATUS_BLK_NIC_ADDR
, NIC_SRAM_STATUS_BLK
);
7998 /* Clear statistics and status block memory areas */
7999 for (i
= NIC_SRAM_STATS_BLK
;
8000 i
< NIC_SRAM_STATUS_BLK
+ TG3_HW_STATUS_SIZE
;
8002 tg3_write_mem(tp
, i
, 0);
8007 tw32(HOSTCC_MODE
, HOSTCC_MODE_ENABLE
| tp
->coalesce_mode
);
8009 tw32(RCVCC_MODE
, RCVCC_MODE_ENABLE
| RCVCC_MODE_ATTN_ENABLE
);
8010 tw32(RCVLPC_MODE
, RCVLPC_MODE_ENABLE
);
8011 if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
))
8012 tw32(RCVLSC_MODE
, RCVLSC_MODE_ENABLE
| RCVLSC_MODE_ATTN_ENABLE
);
8014 if (tp
->tg3_flags2
& TG3_FLG2_MII_SERDES
) {
8015 tp
->tg3_flags2
&= ~TG3_FLG2_PARALLEL_DETECT
;
8016 /* reset to prevent losing 1st rx packet intermittently */
8017 tw32_f(MAC_RX_MODE
, RX_MODE_RESET
);
8021 if (tp
->tg3_flags3
& TG3_FLG3_ENABLE_APE
)
8022 tp
->mac_mode
&= MAC_MODE_APE_TX_EN
| MAC_MODE_APE_RX_EN
;
8025 tp
->mac_mode
|= MAC_MODE_TXSTAT_ENABLE
| MAC_MODE_RXSTAT_ENABLE
|
8026 MAC_MODE_TDE_ENABLE
| MAC_MODE_RDE_ENABLE
| MAC_MODE_FHDE_ENABLE
;
8027 if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
) &&
8028 !(tp
->tg3_flags2
& TG3_FLG2_PHY_SERDES
) &&
8029 GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5700
)
8030 tp
->mac_mode
|= MAC_MODE_LINK_POLARITY
;
8031 tw32_f(MAC_MODE
, tp
->mac_mode
| MAC_MODE_RXSTAT_CLEAR
| MAC_MODE_TXSTAT_CLEAR
);
8034 /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
8035 * If TG3_FLG2_IS_NIC is zero, we should read the
8036 * register to preserve the GPIO settings for LOMs. The GPIOs,
8037 * whether used as inputs or outputs, are set by boot code after
8040 if (!(tp
->tg3_flags2
& TG3_FLG2_IS_NIC
)) {
8043 gpio_mask
= GRC_LCLCTRL_GPIO_OE0
| GRC_LCLCTRL_GPIO_OE1
|
8044 GRC_LCLCTRL_GPIO_OE2
| GRC_LCLCTRL_GPIO_OUTPUT0
|
8045 GRC_LCLCTRL_GPIO_OUTPUT1
| GRC_LCLCTRL_GPIO_OUTPUT2
;
8047 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5752
)
8048 gpio_mask
|= GRC_LCLCTRL_GPIO_OE3
|
8049 GRC_LCLCTRL_GPIO_OUTPUT3
;
8051 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5755
)
8052 gpio_mask
|= GRC_LCLCTRL_GPIO_UART_SEL
;
8054 tp
->grc_local_ctrl
&= ~gpio_mask
;
8055 tp
->grc_local_ctrl
|= tr32(GRC_LOCAL_CTRL
) & gpio_mask
;
8057 /* GPIO1 must be driven high for eeprom write protect */
8058 if (tp
->tg3_flags
& TG3_FLAG_EEPROM_WRITE_PROT
)
8059 tp
->grc_local_ctrl
|= (GRC_LCLCTRL_GPIO_OE1
|
8060 GRC_LCLCTRL_GPIO_OUTPUT1
);
8062 tw32_f(GRC_LOCAL_CTRL
, tp
->grc_local_ctrl
);
8065 if (tp
->tg3_flags2
& TG3_FLG2_USING_MSIX
) {
8066 val
= tr32(MSGINT_MODE
);
8067 val
|= MSGINT_MODE_MULTIVEC_EN
| MSGINT_MODE_ENABLE
;
8068 tw32(MSGINT_MODE
, val
);
8071 if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
)) {
8072 tw32_f(DMAC_MODE
, DMAC_MODE_ENABLE
);
8076 val
= (WDMAC_MODE_ENABLE
| WDMAC_MODE_TGTABORT_ENAB
|
8077 WDMAC_MODE_MSTABORT_ENAB
| WDMAC_MODE_PARITYERR_ENAB
|
8078 WDMAC_MODE_ADDROFLOW_ENAB
| WDMAC_MODE_FIFOOFLOW_ENAB
|
8079 WDMAC_MODE_FIFOURUN_ENAB
| WDMAC_MODE_FIFOOREAD_ENAB
|
8080 WDMAC_MODE_LNGREAD_ENAB
);
8082 /* If statement applies to 5705 and 5750 PCI devices only */
8083 if ((GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5705
&&
8084 tp
->pci_chip_rev_id
!= CHIPREV_ID_5705_A0
) ||
8085 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5750
) {
8086 if ((tp
->tg3_flags2
& TG3_FLG2_TSO_CAPABLE
) &&
8087 (tp
->pci_chip_rev_id
== CHIPREV_ID_5705_A1
||
8088 tp
->pci_chip_rev_id
== CHIPREV_ID_5705_A2
)) {
8090 } else if (!(tr32(TG3PCI_PCISTATE
) & PCISTATE_BUS_SPEED_HIGH
) &&
8091 !(tp
->tg3_flags2
& TG3_FLG2_IS_5788
) &&
8092 !(tp
->tg3_flags2
& TG3_FLG2_PCI_EXPRESS
)) {
8093 val
|= WDMAC_MODE_RX_ACCEL
;
8097 /* Enable host coalescing bug fix */
8098 if (tp
->tg3_flags3
& TG3_FLG3_5755_PLUS
)
8099 val
|= WDMAC_MODE_STATUS_TAG_FIX
;
8101 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5785
)
8102 val
|= WDMAC_MODE_BURST_ALL_DATA
;
8104 tw32_f(WDMAC_MODE
, val
);
8107 if (tp
->tg3_flags
& TG3_FLAG_PCIX_MODE
) {
8110 pci_read_config_word(tp
->pdev
, tp
->pcix_cap
+ PCI_X_CMD
,
8112 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5703
) {
8113 pcix_cmd
&= ~PCI_X_CMD_MAX_READ
;
8114 pcix_cmd
|= PCI_X_CMD_READ_2K
;
8115 } else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5704
) {
8116 pcix_cmd
&= ~(PCI_X_CMD_MAX_SPLIT
| PCI_X_CMD_MAX_READ
);
8117 pcix_cmd
|= PCI_X_CMD_READ_2K
;
8119 pci_write_config_word(tp
->pdev
, tp
->pcix_cap
+ PCI_X_CMD
,
8123 tw32_f(RDMAC_MODE
, rdmac_mode
);
8126 tw32(RCVDCC_MODE
, RCVDCC_MODE_ENABLE
| RCVDCC_MODE_ATTN_ENABLE
);
8127 if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
))
8128 tw32(MBFREE_MODE
, MBFREE_MODE_ENABLE
);
8130 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5761
)
8132 SNDDATAC_MODE_ENABLE
| SNDDATAC_MODE_CDELAY
);
8134 tw32(SNDDATAC_MODE
, SNDDATAC_MODE_ENABLE
);
8136 tw32(SNDBDC_MODE
, SNDBDC_MODE_ENABLE
| SNDBDC_MODE_ATTN_ENABLE
);
8137 tw32(RCVBDI_MODE
, RCVBDI_MODE_ENABLE
| RCVBDI_MODE_RCB_ATTN_ENAB
);
8138 tw32(RCVDBDI_MODE
, RCVDBDI_MODE_ENABLE
| RCVDBDI_MODE_INV_RING_SZ
);
8139 tw32(SNDDATAI_MODE
, SNDDATAI_MODE_ENABLE
);
8140 if (tp
->tg3_flags2
& TG3_FLG2_HW_TSO
)
8141 tw32(SNDDATAI_MODE
, SNDDATAI_MODE_ENABLE
| 0x8);
8142 val
= SNDBDI_MODE_ENABLE
| SNDBDI_MODE_ATTN_ENABLE
;
8143 if (tp
->tg3_flags3
& TG3_FLG3_ENABLE_TSS
)
8144 val
|= SNDBDI_MODE_MULTI_TXQ_EN
;
8145 tw32(SNDBDI_MODE
, val
);
8146 tw32(SNDBDS_MODE
, SNDBDS_MODE_ENABLE
| SNDBDS_MODE_ATTN_ENABLE
);
8148 if (tp
->pci_chip_rev_id
== CHIPREV_ID_5701_A0
) {
8149 err
= tg3_load_5701_a0_firmware_fix(tp
);
8154 if (tp
->tg3_flags2
& TG3_FLG2_TSO_CAPABLE
) {
8155 err
= tg3_load_tso_firmware(tp
);
8160 tp
->tx_mode
= TX_MODE_ENABLE
;
8161 tw32_f(MAC_TX_MODE
, tp
->tx_mode
);
8164 if (tp
->tg3_flags3
& TG3_FLG3_ENABLE_RSS
) {
8165 u32 reg
= MAC_RSS_INDIR_TBL_0
;
8166 u8
*ent
= (u8
*)&val
;
8168 /* Setup the indirection table */
8169 for (i
= 0; i
< TG3_RSS_INDIR_TBL_SIZE
; i
++) {
8170 int idx
= i
% sizeof(val
);
8172 ent
[idx
] = i
% (tp
->irq_cnt
- 1);
8173 if (idx
== sizeof(val
) - 1) {
8179 /* Setup the "secret" hash key. */
8180 tw32(MAC_RSS_HASH_KEY_0
, 0x5f865437);
8181 tw32(MAC_RSS_HASH_KEY_1
, 0xe4ac62cc);
8182 tw32(MAC_RSS_HASH_KEY_2
, 0x50103a45);
8183 tw32(MAC_RSS_HASH_KEY_3
, 0x36621985);
8184 tw32(MAC_RSS_HASH_KEY_4
, 0xbf14c0e8);
8185 tw32(MAC_RSS_HASH_KEY_5
, 0x1bc27a1e);
8186 tw32(MAC_RSS_HASH_KEY_6
, 0x84f4b556);
8187 tw32(MAC_RSS_HASH_KEY_7
, 0x094ea6fe);
8188 tw32(MAC_RSS_HASH_KEY_8
, 0x7dda01e7);
8189 tw32(MAC_RSS_HASH_KEY_9
, 0xc04d7481);
8192 tp
->rx_mode
= RX_MODE_ENABLE
;
8193 if (tp
->tg3_flags3
& TG3_FLG3_5755_PLUS
)
8194 tp
->rx_mode
|= RX_MODE_IPV6_CSUM_ENABLE
;
8196 if (tp
->tg3_flags3
& TG3_FLG3_ENABLE_RSS
)
8197 tp
->rx_mode
|= RX_MODE_RSS_ENABLE
|
8198 RX_MODE_RSS_ITBL_HASH_BITS_7
|
8199 RX_MODE_RSS_IPV6_HASH_EN
|
8200 RX_MODE_RSS_TCP_IPV6_HASH_EN
|
8201 RX_MODE_RSS_IPV4_HASH_EN
|
8202 RX_MODE_RSS_TCP_IPV4_HASH_EN
;
8204 tw32_f(MAC_RX_MODE
, tp
->rx_mode
);
8207 tw32(MAC_LED_CTRL
, tp
->led_ctrl
);
8209 tw32(MAC_MI_STAT
, MAC_MI_STAT_LNKSTAT_ATTN_ENAB
);
8210 if (tp
->tg3_flags2
& TG3_FLG2_PHY_SERDES
) {
8211 tw32_f(MAC_RX_MODE
, RX_MODE_RESET
);
8214 tw32_f(MAC_RX_MODE
, tp
->rx_mode
);
8217 if (tp
->tg3_flags2
& TG3_FLG2_PHY_SERDES
) {
8218 if ((GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5704
) &&
8219 !(tp
->tg3_flags2
& TG3_FLG2_SERDES_PREEMPHASIS
)) {
8220 /* Set drive transmission level to 1.2V */
8221 /* only if the signal pre-emphasis bit is not set */
8222 val
= tr32(MAC_SERDES_CFG
);
8225 tw32(MAC_SERDES_CFG
, val
);
8227 if (tp
->pci_chip_rev_id
== CHIPREV_ID_5703_A1
)
8228 tw32(MAC_SERDES_CFG
, 0x616000);
8231 /* Prevent chip from dropping frames when flow control
8234 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
)
8238 tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME
, val
);
8240 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5704
&&
8241 (tp
->tg3_flags2
& TG3_FLG2_PHY_SERDES
)) {
8242 /* Use hardware link auto-negotiation */
8243 tp
->tg3_flags2
|= TG3_FLG2_HW_AUTONEG
;
8246 if ((tp
->tg3_flags2
& TG3_FLG2_MII_SERDES
) &&
8247 (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5714
)) {
8250 tmp
= tr32(SERDES_RX_CTRL
);
8251 tw32(SERDES_RX_CTRL
, tmp
| SERDES_RX_SIG_DETECT
);
8252 tp
->grc_local_ctrl
&= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT
;
8253 tp
->grc_local_ctrl
|= GRC_LCLCTRL_USE_SIG_DETECT
;
8254 tw32(GRC_LOCAL_CTRL
, tp
->grc_local_ctrl
);
8257 if (!(tp
->tg3_flags3
& TG3_FLG3_USE_PHYLIB
)) {
8258 if (tp
->link_config
.phy_is_low_power
) {
8259 tp
->link_config
.phy_is_low_power
= 0;
8260 tp
->link_config
.speed
= tp
->link_config
.orig_speed
;
8261 tp
->link_config
.duplex
= tp
->link_config
.orig_duplex
;
8262 tp
->link_config
.autoneg
= tp
->link_config
.orig_autoneg
;
8265 err
= tg3_setup_phy(tp
, 0);
8269 if (!(tp
->tg3_flags2
& TG3_FLG2_PHY_SERDES
) &&
8270 !(tp
->tg3_flags3
& TG3_FLG3_PHY_IS_FET
)) {
8273 /* Clear CRC stats. */
8274 if (!tg3_readphy(tp
, MII_TG3_TEST1
, &tmp
)) {
8275 tg3_writephy(tp
, MII_TG3_TEST1
,
8276 tmp
| MII_TG3_TEST1_CRC_EN
);
8277 tg3_readphy(tp
, 0x14, &tmp
);
8282 __tg3_set_rx_mode(tp
->dev
);
8284 /* Initialize receive rules. */
8285 tw32(MAC_RCV_RULE_0
, 0xc2000000 & RCV_RULE_DISABLE_MASK
);
8286 tw32(MAC_RCV_VALUE_0
, 0xffffffff & RCV_RULE_DISABLE_MASK
);
8287 tw32(MAC_RCV_RULE_1
, 0x86000004 & RCV_RULE_DISABLE_MASK
);
8288 tw32(MAC_RCV_VALUE_1
, 0xffffffff & RCV_RULE_DISABLE_MASK
);
8290 if ((tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
) &&
8291 !(tp
->tg3_flags2
& TG3_FLG2_5780_CLASS
))
8295 if (tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
)
8299 tw32(MAC_RCV_RULE_15
, 0); tw32(MAC_RCV_VALUE_15
, 0);
8301 tw32(MAC_RCV_RULE_14
, 0); tw32(MAC_RCV_VALUE_14
, 0);
8303 tw32(MAC_RCV_RULE_13
, 0); tw32(MAC_RCV_VALUE_13
, 0);
8305 tw32(MAC_RCV_RULE_12
, 0); tw32(MAC_RCV_VALUE_12
, 0);
8307 tw32(MAC_RCV_RULE_11
, 0); tw32(MAC_RCV_VALUE_11
, 0);
8309 tw32(MAC_RCV_RULE_10
, 0); tw32(MAC_RCV_VALUE_10
, 0);
8311 tw32(MAC_RCV_RULE_9
, 0); tw32(MAC_RCV_VALUE_9
, 0);
8313 tw32(MAC_RCV_RULE_8
, 0); tw32(MAC_RCV_VALUE_8
, 0);
8315 tw32(MAC_RCV_RULE_7
, 0); tw32(MAC_RCV_VALUE_7
, 0);
8317 tw32(MAC_RCV_RULE_6
, 0); tw32(MAC_RCV_VALUE_6
, 0);
8319 tw32(MAC_RCV_RULE_5
, 0); tw32(MAC_RCV_VALUE_5
, 0);
8321 tw32(MAC_RCV_RULE_4
, 0); tw32(MAC_RCV_VALUE_4
, 0);
8323 /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
8325 /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
8333 if (tp
->tg3_flags3
& TG3_FLG3_ENABLE_APE
)
8334 /* Write our heartbeat update interval to APE. */
8335 tg3_ape_write32(tp
, TG3_APE_HOST_HEARTBEAT_INT_MS
,
8336 APE_HOST_HEARTBEAT_INT_DISABLE
);
8338 tg3_write_sig_post_reset(tp
, RESET_KIND_INIT
);
8343 /* Called at device open time to get the chip ready for
8344 * packet processing. Invoked with tp->lock held.
8346 static int tg3_init_hw(struct tg3
*tp
, int reset_phy
)
8348 tg3_switch_clocks(tp
);
8350 tw32(TG3PCI_MEM_WIN_BASE_ADDR
, 0);
8352 return tg3_reset_hw(tp
, reset_phy
);
8355 #define TG3_STAT_ADD32(PSTAT, REG) \
8356 do { u32 __val = tr32(REG); \
8357 (PSTAT)->low += __val; \
8358 if ((PSTAT)->low < __val) \
8359 (PSTAT)->high += 1; \
8362 static void tg3_periodic_fetch_stats(struct tg3
*tp
)
8364 struct tg3_hw_stats
*sp
= tp
->hw_stats
;
8366 if (!netif_carrier_ok(tp
->dev
))
8369 TG3_STAT_ADD32(&sp
->tx_octets
, MAC_TX_STATS_OCTETS
);
8370 TG3_STAT_ADD32(&sp
->tx_collisions
, MAC_TX_STATS_COLLISIONS
);
8371 TG3_STAT_ADD32(&sp
->tx_xon_sent
, MAC_TX_STATS_XON_SENT
);
8372 TG3_STAT_ADD32(&sp
->tx_xoff_sent
, MAC_TX_STATS_XOFF_SENT
);
8373 TG3_STAT_ADD32(&sp
->tx_mac_errors
, MAC_TX_STATS_MAC_ERRORS
);
8374 TG3_STAT_ADD32(&sp
->tx_single_collisions
, MAC_TX_STATS_SINGLE_COLLISIONS
);
8375 TG3_STAT_ADD32(&sp
->tx_mult_collisions
, MAC_TX_STATS_MULT_COLLISIONS
);
8376 TG3_STAT_ADD32(&sp
->tx_deferred
, MAC_TX_STATS_DEFERRED
);
8377 TG3_STAT_ADD32(&sp
->tx_excessive_collisions
, MAC_TX_STATS_EXCESSIVE_COL
);
8378 TG3_STAT_ADD32(&sp
->tx_late_collisions
, MAC_TX_STATS_LATE_COL
);
8379 TG3_STAT_ADD32(&sp
->tx_ucast_packets
, MAC_TX_STATS_UCAST
);
8380 TG3_STAT_ADD32(&sp
->tx_mcast_packets
, MAC_TX_STATS_MCAST
);
8381 TG3_STAT_ADD32(&sp
->tx_bcast_packets
, MAC_TX_STATS_BCAST
);
8383 TG3_STAT_ADD32(&sp
->rx_octets
, MAC_RX_STATS_OCTETS
);
8384 TG3_STAT_ADD32(&sp
->rx_fragments
, MAC_RX_STATS_FRAGMENTS
);
8385 TG3_STAT_ADD32(&sp
->rx_ucast_packets
, MAC_RX_STATS_UCAST
);
8386 TG3_STAT_ADD32(&sp
->rx_mcast_packets
, MAC_RX_STATS_MCAST
);
8387 TG3_STAT_ADD32(&sp
->rx_bcast_packets
, MAC_RX_STATS_BCAST
);
8388 TG3_STAT_ADD32(&sp
->rx_fcs_errors
, MAC_RX_STATS_FCS_ERRORS
);
8389 TG3_STAT_ADD32(&sp
->rx_align_errors
, MAC_RX_STATS_ALIGN_ERRORS
);
8390 TG3_STAT_ADD32(&sp
->rx_xon_pause_rcvd
, MAC_RX_STATS_XON_PAUSE_RECVD
);
8391 TG3_STAT_ADD32(&sp
->rx_xoff_pause_rcvd
, MAC_RX_STATS_XOFF_PAUSE_RECVD
);
8392 TG3_STAT_ADD32(&sp
->rx_mac_ctrl_rcvd
, MAC_RX_STATS_MAC_CTRL_RECVD
);
8393 TG3_STAT_ADD32(&sp
->rx_xoff_entered
, MAC_RX_STATS_XOFF_ENTERED
);
8394 TG3_STAT_ADD32(&sp
->rx_frame_too_long_errors
, MAC_RX_STATS_FRAME_TOO_LONG
);
8395 TG3_STAT_ADD32(&sp
->rx_jabbers
, MAC_RX_STATS_JABBERS
);
8396 TG3_STAT_ADD32(&sp
->rx_undersize_packets
, MAC_RX_STATS_UNDERSIZE
);
8398 TG3_STAT_ADD32(&sp
->rxbds_empty
, RCVLPC_NO_RCV_BD_CNT
);
8399 TG3_STAT_ADD32(&sp
->rx_discards
, RCVLPC_IN_DISCARDS_CNT
);
8400 TG3_STAT_ADD32(&sp
->rx_errors
, RCVLPC_IN_ERRORS_CNT
);
8403 static void tg3_timer(unsigned long __opaque
)
8405 struct tg3
*tp
= (struct tg3
*) __opaque
;
8410 spin_lock(&tp
->lock
);
8412 if (!(tp
->tg3_flags
& TG3_FLAG_TAGGED_STATUS
)) {
8413 /* All of this garbage is because when using non-tagged
8414 * IRQ status the mailbox/status_block protocol the chip
8415 * uses with the cpu is race prone.
8417 if (tp
->napi
[0].hw_status
->status
& SD_STATUS_UPDATED
) {
8418 tw32(GRC_LOCAL_CTRL
,
8419 tp
->grc_local_ctrl
| GRC_LCLCTRL_SETINT
);
8421 tw32(HOSTCC_MODE
, tp
->coalesce_mode
|
8422 HOSTCC_MODE_ENABLE
| HOSTCC_MODE_NOW
);
8425 if (!(tr32(WDMAC_MODE
) & WDMAC_MODE_ENABLE
)) {
8426 tp
->tg3_flags2
|= TG3_FLG2_RESTART_TIMER
;
8427 spin_unlock(&tp
->lock
);
8428 schedule_work(&tp
->reset_task
);
8433 /* This part only runs once per second. */
8434 if (!--tp
->timer_counter
) {
8435 if (tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
)
8436 tg3_periodic_fetch_stats(tp
);
8438 if (tp
->tg3_flags
& TG3_FLAG_USE_LINKCHG_REG
) {
8442 mac_stat
= tr32(MAC_STATUS
);
8445 if (tp
->tg3_flags
& TG3_FLAG_USE_MI_INTERRUPT
) {
8446 if (mac_stat
& MAC_STATUS_MI_INTERRUPT
)
8448 } else if (mac_stat
& MAC_STATUS_LNKSTATE_CHANGED
)
8452 tg3_setup_phy(tp
, 0);
8453 } else if (tp
->tg3_flags
& TG3_FLAG_POLL_SERDES
) {
8454 u32 mac_stat
= tr32(MAC_STATUS
);
8457 if (netif_carrier_ok(tp
->dev
) &&
8458 (mac_stat
& MAC_STATUS_LNKSTATE_CHANGED
)) {
8461 if (! netif_carrier_ok(tp
->dev
) &&
8462 (mac_stat
& (MAC_STATUS_PCS_SYNCED
|
8463 MAC_STATUS_SIGNAL_DET
))) {
8467 if (!tp
->serdes_counter
) {
8470 ~MAC_MODE_PORT_MODE_MASK
));
8472 tw32_f(MAC_MODE
, tp
->mac_mode
);
8475 tg3_setup_phy(tp
, 0);
8477 } else if (tp
->tg3_flags2
& TG3_FLG2_MII_SERDES
)
8478 tg3_serdes_parallel_detect(tp
);
8480 tp
->timer_counter
= tp
->timer_multiplier
;
8483 /* Heartbeat is only sent once every 2 seconds.
8485 * The heartbeat is to tell the ASF firmware that the host
8486 * driver is still alive. In the event that the OS crashes,
8487 * ASF needs to reset the hardware to free up the FIFO space
8488 * that may be filled with rx packets destined for the host.
8489 * If the FIFO is full, ASF will no longer function properly.
8491 * Unintended resets have been reported on real time kernels
8492 * where the timer doesn't run on time. Netpoll will also have
8495 * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
8496 * to check the ring condition when the heartbeat is expiring
8497 * before doing the reset. This will prevent most unintended
8500 if (!--tp
->asf_counter
) {
8501 if ((tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
) &&
8502 !(tp
->tg3_flags3
& TG3_FLG3_ENABLE_APE
)) {
8503 tg3_wait_for_event_ack(tp
);
8505 tg3_write_mem(tp
, NIC_SRAM_FW_CMD_MBOX
,
8506 FWCMD_NICDRV_ALIVE3
);
8507 tg3_write_mem(tp
, NIC_SRAM_FW_CMD_LEN_MBOX
, 4);
8508 /* 5 seconds timeout */
8509 tg3_write_mem(tp
, NIC_SRAM_FW_CMD_DATA_MBOX
, 5);
8511 tg3_generate_fw_event(tp
);
8513 tp
->asf_counter
= tp
->asf_multiplier
;
8516 spin_unlock(&tp
->lock
);
8519 tp
->timer
.expires
= jiffies
+ tp
->timer_offset
;
8520 add_timer(&tp
->timer
);
8523 static int tg3_request_irq(struct tg3
*tp
, int irq_num
)
8526 unsigned long flags
;
8528 struct tg3_napi
*tnapi
= &tp
->napi
[irq_num
];
8530 if (tp
->irq_cnt
== 1)
8531 name
= tp
->dev
->name
;
8533 name
= &tnapi
->irq_lbl
[0];
8534 snprintf(name
, IFNAMSIZ
, "%s-%d", tp
->dev
->name
, irq_num
);
8535 name
[IFNAMSIZ
-1] = 0;
8538 if (tp
->tg3_flags2
& TG3_FLG2_USING_MSI_OR_MSIX
) {
8540 if (tp
->tg3_flags2
& TG3_FLG2_1SHOT_MSI
)
8542 flags
= IRQF_SAMPLE_RANDOM
;
8545 if (tp
->tg3_flags
& TG3_FLAG_TAGGED_STATUS
)
8546 fn
= tg3_interrupt_tagged
;
8547 flags
= IRQF_SHARED
| IRQF_SAMPLE_RANDOM
;
8550 return request_irq(tnapi
->irq_vec
, fn
, flags
, name
, tnapi
);
8553 static int tg3_test_interrupt(struct tg3
*tp
)
8555 struct tg3_napi
*tnapi
= &tp
->napi
[0];
8556 struct net_device
*dev
= tp
->dev
;
8557 int err
, i
, intr_ok
= 0;
8560 if (!netif_running(dev
))
8563 tg3_disable_ints(tp
);
8565 free_irq(tnapi
->irq_vec
, tnapi
);
8568 * Turn off MSI one shot mode. Otherwise this test has no
8569 * observable way to know whether the interrupt was delivered.
8571 if ((GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
||
8572 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
) &&
8573 (tp
->tg3_flags2
& TG3_FLG2_USING_MSI
)) {
8574 val
= tr32(MSGINT_MODE
) | MSGINT_MODE_ONE_SHOT_DISABLE
;
8575 tw32(MSGINT_MODE
, val
);
8578 err
= request_irq(tnapi
->irq_vec
, tg3_test_isr
,
8579 IRQF_SHARED
| IRQF_SAMPLE_RANDOM
, dev
->name
, tnapi
);
8583 tnapi
->hw_status
->status
&= ~SD_STATUS_UPDATED
;
8584 tg3_enable_ints(tp
);
8586 tw32_f(HOSTCC_MODE
, tp
->coalesce_mode
| HOSTCC_MODE_ENABLE
|
8589 for (i
= 0; i
< 5; i
++) {
8590 u32 int_mbox
, misc_host_ctrl
;
8592 int_mbox
= tr32_mailbox(tnapi
->int_mbox
);
8593 misc_host_ctrl
= tr32(TG3PCI_MISC_HOST_CTRL
);
8595 if ((int_mbox
!= 0) ||
8596 (misc_host_ctrl
& MISC_HOST_CTRL_MASK_PCI_INT
)) {
8604 tg3_disable_ints(tp
);
8606 free_irq(tnapi
->irq_vec
, tnapi
);
8608 err
= tg3_request_irq(tp
, 0);
8614 /* Reenable MSI one shot mode. */
8615 if ((GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
||
8616 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
) &&
8617 (tp
->tg3_flags2
& TG3_FLG2_USING_MSI
)) {
8618 val
= tr32(MSGINT_MODE
) & ~MSGINT_MODE_ONE_SHOT_DISABLE
;
8619 tw32(MSGINT_MODE
, val
);
8627 /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
8628 * successfully restored
8630 static int tg3_test_msi(struct tg3
*tp
)
8635 if (!(tp
->tg3_flags2
& TG3_FLG2_USING_MSI
))
8638 /* Turn off SERR reporting in case MSI terminates with Master
8641 pci_read_config_word(tp
->pdev
, PCI_COMMAND
, &pci_cmd
);
8642 pci_write_config_word(tp
->pdev
, PCI_COMMAND
,
8643 pci_cmd
& ~PCI_COMMAND_SERR
);
8645 err
= tg3_test_interrupt(tp
);
8647 pci_write_config_word(tp
->pdev
, PCI_COMMAND
, pci_cmd
);
8652 /* other failures */
8656 /* MSI test failed, go back to INTx mode */
8657 printk(KERN_WARNING PFX
"%s: No interrupt was generated using MSI, "
8658 "switching to INTx mode. Please report this failure to "
8659 "the PCI maintainer and include system chipset information.\n",
8662 free_irq(tp
->napi
[0].irq_vec
, &tp
->napi
[0]);
8664 pci_disable_msi(tp
->pdev
);
8666 tp
->tg3_flags2
&= ~TG3_FLG2_USING_MSI
;
8668 err
= tg3_request_irq(tp
, 0);
8672 /* Need to reset the chip because the MSI cycle may have terminated
8673 * with Master Abort.
8675 tg3_full_lock(tp
, 1);
8677 tg3_halt(tp
, RESET_KIND_SHUTDOWN
, 1);
8678 err
= tg3_init_hw(tp
, 1);
8680 tg3_full_unlock(tp
);
8683 free_irq(tp
->napi
[0].irq_vec
, &tp
->napi
[0]);
8688 static int tg3_request_firmware(struct tg3
*tp
)
8690 const __be32
*fw_data
;
8692 if (request_firmware(&tp
->fw
, tp
->fw_needed
, &tp
->pdev
->dev
)) {
8693 printk(KERN_ERR
"%s: Failed to load firmware \"%s\"\n",
8694 tp
->dev
->name
, tp
->fw_needed
);
8698 fw_data
= (void *)tp
->fw
->data
;
8700 /* Firmware blob starts with version numbers, followed by
8701 * start address and _full_ length including BSS sections
8702 * (which must be longer than the actual data, of course
8705 tp
->fw_len
= be32_to_cpu(fw_data
[2]); /* includes bss */
8706 if (tp
->fw_len
< (tp
->fw
->size
- 12)) {
8707 printk(KERN_ERR
"%s: bogus length %d in \"%s\"\n",
8708 tp
->dev
->name
, tp
->fw_len
, tp
->fw_needed
);
8709 release_firmware(tp
->fw
);
8714 /* We no longer need firmware; we have it. */
8715 tp
->fw_needed
= NULL
;
8719 static bool tg3_enable_msix(struct tg3
*tp
)
8721 int i
, rc
, cpus
= num_online_cpus();
8722 struct msix_entry msix_ent
[tp
->irq_max
];
8725 /* Just fallback to the simpler MSI mode. */
8729 * We want as many rx rings enabled as there are cpus.
8730 * The first MSIX vector only deals with link interrupts, etc,
8731 * so we add one to the number of vectors we are requesting.
8733 tp
->irq_cnt
= min_t(unsigned, cpus
+ 1, tp
->irq_max
);
8735 for (i
= 0; i
< tp
->irq_max
; i
++) {
8736 msix_ent
[i
].entry
= i
;
8737 msix_ent
[i
].vector
= 0;
8740 rc
= pci_enable_msix(tp
->pdev
, msix_ent
, tp
->irq_cnt
);
8742 if (rc
< TG3_RSS_MIN_NUM_MSIX_VECS
)
8744 if (pci_enable_msix(tp
->pdev
, msix_ent
, rc
))
8747 "%s: Requested %d MSI-X vectors, received %d\n",
8748 tp
->dev
->name
, tp
->irq_cnt
, rc
);
8752 tp
->tg3_flags3
|= TG3_FLG3_ENABLE_RSS
;
8754 for (i
= 0; i
< tp
->irq_max
; i
++)
8755 tp
->napi
[i
].irq_vec
= msix_ent
[i
].vector
;
8757 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
) {
8758 tp
->tg3_flags3
|= TG3_FLG3_ENABLE_TSS
;
8759 tp
->dev
->real_num_tx_queues
= tp
->irq_cnt
- 1;
8761 tp
->dev
->real_num_tx_queues
= 1;
8766 static void tg3_ints_init(struct tg3
*tp
)
8768 if ((tp
->tg3_flags
& TG3_FLAG_SUPPORT_MSI_OR_MSIX
) &&
8769 !(tp
->tg3_flags
& TG3_FLAG_TAGGED_STATUS
)) {
8770 /* All MSI supporting chips should support tagged
8771 * status. Assert that this is the case.
8773 printk(KERN_WARNING PFX
"%s: MSI without TAGGED? "
8774 "Not using MSI.\n", tp
->dev
->name
);
8778 if ((tp
->tg3_flags
& TG3_FLAG_SUPPORT_MSIX
) && tg3_enable_msix(tp
))
8779 tp
->tg3_flags2
|= TG3_FLG2_USING_MSIX
;
8780 else if ((tp
->tg3_flags
& TG3_FLAG_SUPPORT_MSI
) &&
8781 pci_enable_msi(tp
->pdev
) == 0)
8782 tp
->tg3_flags2
|= TG3_FLG2_USING_MSI
;
8784 if (tp
->tg3_flags2
& TG3_FLG2_USING_MSI_OR_MSIX
) {
8785 u32 msi_mode
= tr32(MSGINT_MODE
);
8786 if (tp
->tg3_flags2
& TG3_FLG2_USING_MSIX
)
8787 msi_mode
|= MSGINT_MODE_MULTIVEC_EN
;
8788 tw32(MSGINT_MODE
, msi_mode
| MSGINT_MODE_ENABLE
);
8791 if (!(tp
->tg3_flags2
& TG3_FLG2_USING_MSIX
)) {
8793 tp
->napi
[0].irq_vec
= tp
->pdev
->irq
;
8794 tp
->dev
->real_num_tx_queues
= 1;
8798 static void tg3_ints_fini(struct tg3
*tp
)
8800 if (tp
->tg3_flags2
& TG3_FLG2_USING_MSIX
)
8801 pci_disable_msix(tp
->pdev
);
8802 else if (tp
->tg3_flags2
& TG3_FLG2_USING_MSI
)
8803 pci_disable_msi(tp
->pdev
);
8804 tp
->tg3_flags2
&= ~TG3_FLG2_USING_MSI_OR_MSIX
;
8805 tp
->tg3_flags3
&= ~TG3_FLG3_ENABLE_RSS
;
8808 static int tg3_open(struct net_device
*dev
)
8810 struct tg3
*tp
= netdev_priv(dev
);
8813 if (tp
->fw_needed
) {
8814 err
= tg3_request_firmware(tp
);
8815 if (tp
->pci_chip_rev_id
== CHIPREV_ID_5701_A0
) {
8819 printk(KERN_WARNING
"%s: TSO capability disabled.\n",
8821 tp
->tg3_flags2
&= ~TG3_FLG2_TSO_CAPABLE
;
8822 } else if (!(tp
->tg3_flags2
& TG3_FLG2_TSO_CAPABLE
)) {
8823 printk(KERN_NOTICE
"%s: TSO capability restored.\n",
8825 tp
->tg3_flags2
|= TG3_FLG2_TSO_CAPABLE
;
8829 netif_carrier_off(tp
->dev
);
8831 err
= tg3_set_power_state(tp
, PCI_D0
);
8835 tg3_full_lock(tp
, 0);
8837 tg3_disable_ints(tp
);
8838 tp
->tg3_flags
&= ~TG3_FLAG_INIT_COMPLETE
;
8840 tg3_full_unlock(tp
);
8843 * Setup interrupts first so we know how
8844 * many NAPI resources to allocate
8848 /* The placement of this call is tied
8849 * to the setup and use of Host TX descriptors.
8851 err
= tg3_alloc_consistent(tp
);
8855 tg3_napi_enable(tp
);
8857 for (i
= 0; i
< tp
->irq_cnt
; i
++) {
8858 struct tg3_napi
*tnapi
= &tp
->napi
[i
];
8859 err
= tg3_request_irq(tp
, i
);
8861 for (i
--; i
>= 0; i
--)
8862 free_irq(tnapi
->irq_vec
, tnapi
);
8870 tg3_full_lock(tp
, 0);
8872 err
= tg3_init_hw(tp
, 1);
8874 tg3_halt(tp
, RESET_KIND_SHUTDOWN
, 1);
8877 if (tp
->tg3_flags
& TG3_FLAG_TAGGED_STATUS
)
8878 tp
->timer_offset
= HZ
;
8880 tp
->timer_offset
= HZ
/ 10;
8882 BUG_ON(tp
->timer_offset
> HZ
);
8883 tp
->timer_counter
= tp
->timer_multiplier
=
8884 (HZ
/ tp
->timer_offset
);
8885 tp
->asf_counter
= tp
->asf_multiplier
=
8886 ((HZ
/ tp
->timer_offset
) * 2);
8888 init_timer(&tp
->timer
);
8889 tp
->timer
.expires
= jiffies
+ tp
->timer_offset
;
8890 tp
->timer
.data
= (unsigned long) tp
;
8891 tp
->timer
.function
= tg3_timer
;
8894 tg3_full_unlock(tp
);
8899 if (tp
->tg3_flags2
& TG3_FLG2_USING_MSI
) {
8900 err
= tg3_test_msi(tp
);
8903 tg3_full_lock(tp
, 0);
8904 tg3_halt(tp
, RESET_KIND_SHUTDOWN
, 1);
8906 tg3_full_unlock(tp
);
8911 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5717
&&
8912 GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_57765
&&
8913 (tp
->tg3_flags2
& TG3_FLG2_USING_MSI
) &&
8914 (tp
->tg3_flags2
& TG3_FLG2_1SHOT_MSI
)) {
8915 u32 val
= tr32(PCIE_TRANSACTION_CFG
);
8917 tw32(PCIE_TRANSACTION_CFG
,
8918 val
| PCIE_TRANS_CFG_1SHOT_MSI
);
8924 tg3_full_lock(tp
, 0);
8926 add_timer(&tp
->timer
);
8927 tp
->tg3_flags
|= TG3_FLAG_INIT_COMPLETE
;
8928 tg3_enable_ints(tp
);
8930 tg3_full_unlock(tp
);
8932 netif_tx_start_all_queues(dev
);
8937 for (i
= tp
->irq_cnt
- 1; i
>= 0; i
--) {
8938 struct tg3_napi
*tnapi
= &tp
->napi
[i
];
8939 free_irq(tnapi
->irq_vec
, tnapi
);
8943 tg3_napi_disable(tp
);
8944 tg3_free_consistent(tp
);
8952 /*static*/ void tg3_dump_state(struct tg3
*tp
)
8954 u32 val32
, val32_2
, val32_3
, val32_4
, val32_5
;
8957 struct tg3_hw_status
*sblk
= tp
->napi
[0]->hw_status
;
8959 pci_read_config_word(tp
->pdev
, PCI_STATUS
, &val16
);
8960 pci_read_config_dword(tp
->pdev
, TG3PCI_PCISTATE
, &val32
);
8961 printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
8965 printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
8966 tr32(MAC_MODE
), tr32(MAC_STATUS
));
8967 printk(" MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
8968 tr32(MAC_EVENT
), tr32(MAC_LED_CTRL
));
8969 printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
8970 tr32(MAC_TX_MODE
), tr32(MAC_TX_STATUS
));
8971 printk(" MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
8972 tr32(MAC_RX_MODE
), tr32(MAC_RX_STATUS
));
8974 /* Send data initiator control block */
8975 printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
8976 tr32(SNDDATAI_MODE
), tr32(SNDDATAI_STATUS
));
8977 printk(" SNDDATAI_STATSCTRL[%08x]\n",
8978 tr32(SNDDATAI_STATSCTRL
));
8980 /* Send data completion control block */
8981 printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE
));
8983 /* Send BD ring selector block */
8984 printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
8985 tr32(SNDBDS_MODE
), tr32(SNDBDS_STATUS
));
8987 /* Send BD initiator control block */
8988 printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
8989 tr32(SNDBDI_MODE
), tr32(SNDBDI_STATUS
));
8991 /* Send BD completion control block */
8992 printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE
));
8994 /* Receive list placement control block */
8995 printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
8996 tr32(RCVLPC_MODE
), tr32(RCVLPC_STATUS
));
8997 printk(" RCVLPC_STATSCTRL[%08x]\n",
8998 tr32(RCVLPC_STATSCTRL
));
9000 /* Receive data and receive BD initiator control block */
9001 printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
9002 tr32(RCVDBDI_MODE
), tr32(RCVDBDI_STATUS
));
9004 /* Receive data completion control block */
9005 printk("DEBUG: RCVDCC_MODE[%08x]\n",
9008 /* Receive BD initiator control block */
9009 printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
9010 tr32(RCVBDI_MODE
), tr32(RCVBDI_STATUS
));
9012 /* Receive BD completion control block */
9013 printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
9014 tr32(RCVCC_MODE
), tr32(RCVCC_STATUS
));
9016 /* Receive list selector control block */
9017 printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
9018 tr32(RCVLSC_MODE
), tr32(RCVLSC_STATUS
));
9020 /* Mbuf cluster free block */
9021 printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
9022 tr32(MBFREE_MODE
), tr32(MBFREE_STATUS
));
9024 /* Host coalescing control block */
9025 printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
9026 tr32(HOSTCC_MODE
), tr32(HOSTCC_STATUS
));
9027 printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
9028 tr32(HOSTCC_STATS_BLK_HOST_ADDR
+ TG3_64BIT_REG_HIGH
),
9029 tr32(HOSTCC_STATS_BLK_HOST_ADDR
+ TG3_64BIT_REG_LOW
));
9030 printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
9031 tr32(HOSTCC_STATUS_BLK_HOST_ADDR
+ TG3_64BIT_REG_HIGH
),
9032 tr32(HOSTCC_STATUS_BLK_HOST_ADDR
+ TG3_64BIT_REG_LOW
));
9033 printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
9034 tr32(HOSTCC_STATS_BLK_NIC_ADDR
));
9035 printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
9036 tr32(HOSTCC_STATUS_BLK_NIC_ADDR
));
9038 /* Memory arbiter control block */
9039 printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
9040 tr32(MEMARB_MODE
), tr32(MEMARB_STATUS
));
9042 /* Buffer manager control block */
9043 printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
9044 tr32(BUFMGR_MODE
), tr32(BUFMGR_STATUS
));
9045 printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
9046 tr32(BUFMGR_MB_POOL_ADDR
), tr32(BUFMGR_MB_POOL_SIZE
));
9047 printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
9048 "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
9049 tr32(BUFMGR_DMA_DESC_POOL_ADDR
),
9050 tr32(BUFMGR_DMA_DESC_POOL_SIZE
));
9052 /* Read DMA control block */
9053 printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
9054 tr32(RDMAC_MODE
), tr32(RDMAC_STATUS
));
9056 /* Write DMA control block */
9057 printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
9058 tr32(WDMAC_MODE
), tr32(WDMAC_STATUS
));
9060 /* DMA completion block */
9061 printk("DEBUG: DMAC_MODE[%08x]\n",
9065 printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
9066 tr32(GRC_MODE
), tr32(GRC_MISC_CFG
));
9067 printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
9068 tr32(GRC_LOCAL_CTRL
));
9071 printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
9072 tr32(RCVDBDI_JUMBO_BD
+ 0x0),
9073 tr32(RCVDBDI_JUMBO_BD
+ 0x4),
9074 tr32(RCVDBDI_JUMBO_BD
+ 0x8),
9075 tr32(RCVDBDI_JUMBO_BD
+ 0xc));
9076 printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
9077 tr32(RCVDBDI_STD_BD
+ 0x0),
9078 tr32(RCVDBDI_STD_BD
+ 0x4),
9079 tr32(RCVDBDI_STD_BD
+ 0x8),
9080 tr32(RCVDBDI_STD_BD
+ 0xc));
9081 printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
9082 tr32(RCVDBDI_MINI_BD
+ 0x0),
9083 tr32(RCVDBDI_MINI_BD
+ 0x4),
9084 tr32(RCVDBDI_MINI_BD
+ 0x8),
9085 tr32(RCVDBDI_MINI_BD
+ 0xc));
9087 tg3_read_mem(tp
, NIC_SRAM_SEND_RCB
+ 0x0, &val32
);
9088 tg3_read_mem(tp
, NIC_SRAM_SEND_RCB
+ 0x4, &val32_2
);
9089 tg3_read_mem(tp
, NIC_SRAM_SEND_RCB
+ 0x8, &val32_3
);
9090 tg3_read_mem(tp
, NIC_SRAM_SEND_RCB
+ 0xc, &val32_4
);
9091 printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
9092 val32
, val32_2
, val32_3
, val32_4
);
9094 tg3_read_mem(tp
, NIC_SRAM_RCV_RET_RCB
+ 0x0, &val32
);
9095 tg3_read_mem(tp
, NIC_SRAM_RCV_RET_RCB
+ 0x4, &val32_2
);
9096 tg3_read_mem(tp
, NIC_SRAM_RCV_RET_RCB
+ 0x8, &val32_3
);
9097 tg3_read_mem(tp
, NIC_SRAM_RCV_RET_RCB
+ 0xc, &val32_4
);
9098 printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
9099 val32
, val32_2
, val32_3
, val32_4
);
9101 tg3_read_mem(tp
, NIC_SRAM_STATUS_BLK
+ 0x0, &val32
);
9102 tg3_read_mem(tp
, NIC_SRAM_STATUS_BLK
+ 0x4, &val32_2
);
9103 tg3_read_mem(tp
, NIC_SRAM_STATUS_BLK
+ 0x8, &val32_3
);
9104 tg3_read_mem(tp
, NIC_SRAM_STATUS_BLK
+ 0xc, &val32_4
);
9105 tg3_read_mem(tp
, NIC_SRAM_STATUS_BLK
+ 0x10, &val32_5
);
9106 printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
9107 val32
, val32_2
, val32_3
, val32_4
, val32_5
);
9109 /* SW status block */
9111 "Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
9114 sblk
->rx_jumbo_consumer
,
9116 sblk
->rx_mini_consumer
,
9117 sblk
->idx
[0].rx_producer
,
9118 sblk
->idx
[0].tx_consumer
);
9120 /* SW statistics block */
9121 printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
9122 ((u32
*)tp
->hw_stats
)[0],
9123 ((u32
*)tp
->hw_stats
)[1],
9124 ((u32
*)tp
->hw_stats
)[2],
9125 ((u32
*)tp
->hw_stats
)[3]);
9128 printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
9129 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0
+ 0x0),
9130 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0
+ 0x4),
9131 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0
+ 0x0),
9132 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0
+ 0x4));
9134 /* NIC side send descriptors. */
9135 for (i
= 0; i
< 6; i
++) {
9138 txd
= tp
->regs
+ NIC_SRAM_WIN_BASE
+ NIC_SRAM_TX_BUFFER_DESC
9139 + (i
* sizeof(struct tg3_tx_buffer_desc
));
9140 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
9142 readl(txd
+ 0x0), readl(txd
+ 0x4),
9143 readl(txd
+ 0x8), readl(txd
+ 0xc));
9146 /* NIC side RX descriptors. */
9147 for (i
= 0; i
< 6; i
++) {
9150 rxd
= tp
->regs
+ NIC_SRAM_WIN_BASE
+ NIC_SRAM_RX_BUFFER_DESC
9151 + (i
* sizeof(struct tg3_rx_buffer_desc
));
9152 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
9154 readl(rxd
+ 0x0), readl(rxd
+ 0x4),
9155 readl(rxd
+ 0x8), readl(rxd
+ 0xc));
9156 rxd
+= (4 * sizeof(u32
));
9157 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
9159 readl(rxd
+ 0x0), readl(rxd
+ 0x4),
9160 readl(rxd
+ 0x8), readl(rxd
+ 0xc));
9163 for (i
= 0; i
< 6; i
++) {
9166 rxd
= tp
->regs
+ NIC_SRAM_WIN_BASE
+ NIC_SRAM_RX_JUMBO_BUFFER_DESC
9167 + (i
* sizeof(struct tg3_rx_buffer_desc
));
9168 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
9170 readl(rxd
+ 0x0), readl(rxd
+ 0x4),
9171 readl(rxd
+ 0x8), readl(rxd
+ 0xc));
9172 rxd
+= (4 * sizeof(u32
));
9173 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
9175 readl(rxd
+ 0x0), readl(rxd
+ 0x4),
9176 readl(rxd
+ 0x8), readl(rxd
+ 0xc));
9181 static struct net_device_stats
*tg3_get_stats(struct net_device
*);
9182 static struct tg3_ethtool_stats
*tg3_get_estats(struct tg3
*);
9184 static int tg3_close(struct net_device
*dev
)
9187 struct tg3
*tp
= netdev_priv(dev
);
9189 tg3_napi_disable(tp
);
9190 cancel_work_sync(&tp
->reset_task
);
9192 netif_tx_stop_all_queues(dev
);
9194 del_timer_sync(&tp
->timer
);
9198 tg3_full_lock(tp
, 1);
9203 tg3_disable_ints(tp
);
9205 tg3_halt(tp
, RESET_KIND_SHUTDOWN
, 1);
9207 tp
->tg3_flags
&= ~TG3_FLAG_INIT_COMPLETE
;
9209 tg3_full_unlock(tp
);
9211 for (i
= tp
->irq_cnt
- 1; i
>= 0; i
--) {
9212 struct tg3_napi
*tnapi
= &tp
->napi
[i
];
9213 free_irq(tnapi
->irq_vec
, tnapi
);
9218 memcpy(&tp
->net_stats_prev
, tg3_get_stats(tp
->dev
),
9219 sizeof(tp
->net_stats_prev
));
9220 memcpy(&tp
->estats_prev
, tg3_get_estats(tp
),
9221 sizeof(tp
->estats_prev
));
9223 tg3_free_consistent(tp
);
9225 tg3_set_power_state(tp
, PCI_D3hot
);
9227 netif_carrier_off(tp
->dev
);
9232 static inline unsigned long get_stat64(tg3_stat64_t
*val
)
9236 #if (BITS_PER_LONG == 32)
9239 ret
= ((u64
)val
->high
<< 32) | ((u64
)val
->low
);
9244 static inline u64
get_estat64(tg3_stat64_t
*val
)
9246 return ((u64
)val
->high
<< 32) | ((u64
)val
->low
);
9249 static unsigned long calc_crc_errors(struct tg3
*tp
)
9251 struct tg3_hw_stats
*hw_stats
= tp
->hw_stats
;
9253 if (!(tp
->tg3_flags2
& TG3_FLG2_PHY_SERDES
) &&
9254 (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5700
||
9255 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5701
)) {
9258 spin_lock_bh(&tp
->lock
);
9259 if (!tg3_readphy(tp
, MII_TG3_TEST1
, &val
)) {
9260 tg3_writephy(tp
, MII_TG3_TEST1
,
9261 val
| MII_TG3_TEST1_CRC_EN
);
9262 tg3_readphy(tp
, 0x14, &val
);
9265 spin_unlock_bh(&tp
->lock
);
9267 tp
->phy_crc_errors
+= val
;
9269 return tp
->phy_crc_errors
;
9272 return get_stat64(&hw_stats
->rx_fcs_errors
);
9275 #define ESTAT_ADD(member) \
9276 estats->member = old_estats->member + \
9277 get_estat64(&hw_stats->member)
9279 static struct tg3_ethtool_stats
*tg3_get_estats(struct tg3
*tp
)
9281 struct tg3_ethtool_stats
*estats
= &tp
->estats
;
9282 struct tg3_ethtool_stats
*old_estats
= &tp
->estats_prev
;
9283 struct tg3_hw_stats
*hw_stats
= tp
->hw_stats
;
9288 ESTAT_ADD(rx_octets
);
9289 ESTAT_ADD(rx_fragments
);
9290 ESTAT_ADD(rx_ucast_packets
);
9291 ESTAT_ADD(rx_mcast_packets
);
9292 ESTAT_ADD(rx_bcast_packets
);
9293 ESTAT_ADD(rx_fcs_errors
);
9294 ESTAT_ADD(rx_align_errors
);
9295 ESTAT_ADD(rx_xon_pause_rcvd
);
9296 ESTAT_ADD(rx_xoff_pause_rcvd
);
9297 ESTAT_ADD(rx_mac_ctrl_rcvd
);
9298 ESTAT_ADD(rx_xoff_entered
);
9299 ESTAT_ADD(rx_frame_too_long_errors
);
9300 ESTAT_ADD(rx_jabbers
);
9301 ESTAT_ADD(rx_undersize_packets
);
9302 ESTAT_ADD(rx_in_length_errors
);
9303 ESTAT_ADD(rx_out_length_errors
);
9304 ESTAT_ADD(rx_64_or_less_octet_packets
);
9305 ESTAT_ADD(rx_65_to_127_octet_packets
);
9306 ESTAT_ADD(rx_128_to_255_octet_packets
);
9307 ESTAT_ADD(rx_256_to_511_octet_packets
);
9308 ESTAT_ADD(rx_512_to_1023_octet_packets
);
9309 ESTAT_ADD(rx_1024_to_1522_octet_packets
);
9310 ESTAT_ADD(rx_1523_to_2047_octet_packets
);
9311 ESTAT_ADD(rx_2048_to_4095_octet_packets
);
9312 ESTAT_ADD(rx_4096_to_8191_octet_packets
);
9313 ESTAT_ADD(rx_8192_to_9022_octet_packets
);
9315 ESTAT_ADD(tx_octets
);
9316 ESTAT_ADD(tx_collisions
);
9317 ESTAT_ADD(tx_xon_sent
);
9318 ESTAT_ADD(tx_xoff_sent
);
9319 ESTAT_ADD(tx_flow_control
);
9320 ESTAT_ADD(tx_mac_errors
);
9321 ESTAT_ADD(tx_single_collisions
);
9322 ESTAT_ADD(tx_mult_collisions
);
9323 ESTAT_ADD(tx_deferred
);
9324 ESTAT_ADD(tx_excessive_collisions
);
9325 ESTAT_ADD(tx_late_collisions
);
9326 ESTAT_ADD(tx_collide_2times
);
9327 ESTAT_ADD(tx_collide_3times
);
9328 ESTAT_ADD(tx_collide_4times
);
9329 ESTAT_ADD(tx_collide_5times
);
9330 ESTAT_ADD(tx_collide_6times
);
9331 ESTAT_ADD(tx_collide_7times
);
9332 ESTAT_ADD(tx_collide_8times
);
9333 ESTAT_ADD(tx_collide_9times
);
9334 ESTAT_ADD(tx_collide_10times
);
9335 ESTAT_ADD(tx_collide_11times
);
9336 ESTAT_ADD(tx_collide_12times
);
9337 ESTAT_ADD(tx_collide_13times
);
9338 ESTAT_ADD(tx_collide_14times
);
9339 ESTAT_ADD(tx_collide_15times
);
9340 ESTAT_ADD(tx_ucast_packets
);
9341 ESTAT_ADD(tx_mcast_packets
);
9342 ESTAT_ADD(tx_bcast_packets
);
9343 ESTAT_ADD(tx_carrier_sense_errors
);
9344 ESTAT_ADD(tx_discards
);
9345 ESTAT_ADD(tx_errors
);
9347 ESTAT_ADD(dma_writeq_full
);
9348 ESTAT_ADD(dma_write_prioq_full
);
9349 ESTAT_ADD(rxbds_empty
);
9350 ESTAT_ADD(rx_discards
);
9351 ESTAT_ADD(rx_errors
);
9352 ESTAT_ADD(rx_threshold_hit
);
9354 ESTAT_ADD(dma_readq_full
);
9355 ESTAT_ADD(dma_read_prioq_full
);
9356 ESTAT_ADD(tx_comp_queue_full
);
9358 ESTAT_ADD(ring_set_send_prod_index
);
9359 ESTAT_ADD(ring_status_update
);
9360 ESTAT_ADD(nic_irqs
);
9361 ESTAT_ADD(nic_avoided_irqs
);
9362 ESTAT_ADD(nic_tx_threshold_hit
);
9367 static struct net_device_stats
*tg3_get_stats(struct net_device
*dev
)
9369 struct tg3
*tp
= netdev_priv(dev
);
9370 struct net_device_stats
*stats
= &tp
->net_stats
;
9371 struct net_device_stats
*old_stats
= &tp
->net_stats_prev
;
9372 struct tg3_hw_stats
*hw_stats
= tp
->hw_stats
;
9377 stats
->rx_packets
= old_stats
->rx_packets
+
9378 get_stat64(&hw_stats
->rx_ucast_packets
) +
9379 get_stat64(&hw_stats
->rx_mcast_packets
) +
9380 get_stat64(&hw_stats
->rx_bcast_packets
);
9382 stats
->tx_packets
= old_stats
->tx_packets
+
9383 get_stat64(&hw_stats
->tx_ucast_packets
) +
9384 get_stat64(&hw_stats
->tx_mcast_packets
) +
9385 get_stat64(&hw_stats
->tx_bcast_packets
);
9387 stats
->rx_bytes
= old_stats
->rx_bytes
+
9388 get_stat64(&hw_stats
->rx_octets
);
9389 stats
->tx_bytes
= old_stats
->tx_bytes
+
9390 get_stat64(&hw_stats
->tx_octets
);
9392 stats
->rx_errors
= old_stats
->rx_errors
+
9393 get_stat64(&hw_stats
->rx_errors
);
9394 stats
->tx_errors
= old_stats
->tx_errors
+
9395 get_stat64(&hw_stats
->tx_errors
) +
9396 get_stat64(&hw_stats
->tx_mac_errors
) +
9397 get_stat64(&hw_stats
->tx_carrier_sense_errors
) +
9398 get_stat64(&hw_stats
->tx_discards
);
9400 stats
->multicast
= old_stats
->multicast
+
9401 get_stat64(&hw_stats
->rx_mcast_packets
);
9402 stats
->collisions
= old_stats
->collisions
+
9403 get_stat64(&hw_stats
->tx_collisions
);
9405 stats
->rx_length_errors
= old_stats
->rx_length_errors
+
9406 get_stat64(&hw_stats
->rx_frame_too_long_errors
) +
9407 get_stat64(&hw_stats
->rx_undersize_packets
);
9409 stats
->rx_over_errors
= old_stats
->rx_over_errors
+
9410 get_stat64(&hw_stats
->rxbds_empty
);
9411 stats
->rx_frame_errors
= old_stats
->rx_frame_errors
+
9412 get_stat64(&hw_stats
->rx_align_errors
);
9413 stats
->tx_aborted_errors
= old_stats
->tx_aborted_errors
+
9414 get_stat64(&hw_stats
->tx_discards
);
9415 stats
->tx_carrier_errors
= old_stats
->tx_carrier_errors
+
9416 get_stat64(&hw_stats
->tx_carrier_sense_errors
);
9418 stats
->rx_crc_errors
= old_stats
->rx_crc_errors
+
9419 calc_crc_errors(tp
);
9421 stats
->rx_missed_errors
= old_stats
->rx_missed_errors
+
9422 get_stat64(&hw_stats
->rx_discards
);
9427 static inline u32
calc_crc(unsigned char *buf
, int len
)
9435 for (j
= 0; j
< len
; j
++) {
9438 for (k
= 0; k
< 8; k
++) {
9452 static void tg3_set_multi(struct tg3
*tp
, unsigned int accept_all
)
9454 /* accept or reject all multicast frames */
9455 tw32(MAC_HASH_REG_0
, accept_all
? 0xffffffff : 0);
9456 tw32(MAC_HASH_REG_1
, accept_all
? 0xffffffff : 0);
9457 tw32(MAC_HASH_REG_2
, accept_all
? 0xffffffff : 0);
9458 tw32(MAC_HASH_REG_3
, accept_all
? 0xffffffff : 0);
9461 static void __tg3_set_rx_mode(struct net_device
*dev
)
9463 struct tg3
*tp
= netdev_priv(dev
);
9466 rx_mode
= tp
->rx_mode
& ~(RX_MODE_PROMISC
|
9467 RX_MODE_KEEP_VLAN_TAG
);
9469 /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
9472 #if TG3_VLAN_TAG_USED
9474 !(tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
))
9475 rx_mode
|= RX_MODE_KEEP_VLAN_TAG
;
9477 /* By definition, VLAN is disabled always in this
9480 if (!(tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
))
9481 rx_mode
|= RX_MODE_KEEP_VLAN_TAG
;
9484 if (dev
->flags
& IFF_PROMISC
) {
9485 /* Promiscuous mode. */
9486 rx_mode
|= RX_MODE_PROMISC
;
9487 } else if (dev
->flags
& IFF_ALLMULTI
) {
9488 /* Accept all multicast. */
9489 tg3_set_multi (tp
, 1);
9490 } else if (netdev_mc_empty(dev
)) {
9491 /* Reject all multicast. */
9492 tg3_set_multi (tp
, 0);
9494 /* Accept one or more multicast(s). */
9495 struct dev_mc_list
*mclist
;
9497 u32 mc_filter
[4] = { 0, };
9502 for (i
= 0, mclist
= dev
->mc_list
; mclist
&& i
< netdev_mc_count(dev
);
9503 i
++, mclist
= mclist
->next
) {
9505 crc
= calc_crc (mclist
->dmi_addr
, ETH_ALEN
);
9507 regidx
= (bit
& 0x60) >> 5;
9509 mc_filter
[regidx
] |= (1 << bit
);
9512 tw32(MAC_HASH_REG_0
, mc_filter
[0]);
9513 tw32(MAC_HASH_REG_1
, mc_filter
[1]);
9514 tw32(MAC_HASH_REG_2
, mc_filter
[2]);
9515 tw32(MAC_HASH_REG_3
, mc_filter
[3]);
9518 if (rx_mode
!= tp
->rx_mode
) {
9519 tp
->rx_mode
= rx_mode
;
9520 tw32_f(MAC_RX_MODE
, rx_mode
);
9525 static void tg3_set_rx_mode(struct net_device
*dev
)
9527 struct tg3
*tp
= netdev_priv(dev
);
9529 if (!netif_running(dev
))
9532 tg3_full_lock(tp
, 0);
9533 __tg3_set_rx_mode(dev
);
9534 tg3_full_unlock(tp
);
9537 #define TG3_REGDUMP_LEN (32 * 1024)
9539 static int tg3_get_regs_len(struct net_device
*dev
)
9541 return TG3_REGDUMP_LEN
;
9544 static void tg3_get_regs(struct net_device
*dev
,
9545 struct ethtool_regs
*regs
, void *_p
)
9548 struct tg3
*tp
= netdev_priv(dev
);
9554 memset(p
, 0, TG3_REGDUMP_LEN
);
9556 if (tp
->link_config
.phy_is_low_power
)
9559 tg3_full_lock(tp
, 0);
9561 #define __GET_REG32(reg) (*(p)++ = tr32(reg))
9562 #define GET_REG32_LOOP(base,len) \
9563 do { p = (u32 *)(orig_p + (base)); \
9564 for (i = 0; i < len; i += 4) \
9565 __GET_REG32((base) + i); \
9567 #define GET_REG32_1(reg) \
9568 do { p = (u32 *)(orig_p + (reg)); \
9569 __GET_REG32((reg)); \
9572 GET_REG32_LOOP(TG3PCI_VENDOR
, 0xb0);
9573 GET_REG32_LOOP(MAILBOX_INTERRUPT_0
, 0x200);
9574 GET_REG32_LOOP(MAC_MODE
, 0x4f0);
9575 GET_REG32_LOOP(SNDDATAI_MODE
, 0xe0);
9576 GET_REG32_1(SNDDATAC_MODE
);
9577 GET_REG32_LOOP(SNDBDS_MODE
, 0x80);
9578 GET_REG32_LOOP(SNDBDI_MODE
, 0x48);
9579 GET_REG32_1(SNDBDC_MODE
);
9580 GET_REG32_LOOP(RCVLPC_MODE
, 0x20);
9581 GET_REG32_LOOP(RCVLPC_SELLST_BASE
, 0x15c);
9582 GET_REG32_LOOP(RCVDBDI_MODE
, 0x0c);
9583 GET_REG32_LOOP(RCVDBDI_JUMBO_BD
, 0x3c);
9584 GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0
, 0x44);
9585 GET_REG32_1(RCVDCC_MODE
);
9586 GET_REG32_LOOP(RCVBDI_MODE
, 0x20);
9587 GET_REG32_LOOP(RCVCC_MODE
, 0x14);
9588 GET_REG32_LOOP(RCVLSC_MODE
, 0x08);
9589 GET_REG32_1(MBFREE_MODE
);
9590 GET_REG32_LOOP(HOSTCC_MODE
, 0x100);
9591 GET_REG32_LOOP(MEMARB_MODE
, 0x10);
9592 GET_REG32_LOOP(BUFMGR_MODE
, 0x58);
9593 GET_REG32_LOOP(RDMAC_MODE
, 0x08);
9594 GET_REG32_LOOP(WDMAC_MODE
, 0x08);
9595 GET_REG32_1(RX_CPU_MODE
);
9596 GET_REG32_1(RX_CPU_STATE
);
9597 GET_REG32_1(RX_CPU_PGMCTR
);
9598 GET_REG32_1(RX_CPU_HWBKPT
);
9599 GET_REG32_1(TX_CPU_MODE
);
9600 GET_REG32_1(TX_CPU_STATE
);
9601 GET_REG32_1(TX_CPU_PGMCTR
);
9602 GET_REG32_LOOP(GRCMBOX_INTERRUPT_0
, 0x110);
9603 GET_REG32_LOOP(FTQ_RESET
, 0x120);
9604 GET_REG32_LOOP(MSGINT_MODE
, 0x0c);
9605 GET_REG32_1(DMAC_MODE
);
9606 GET_REG32_LOOP(GRC_MODE
, 0x4c);
9607 if (tp
->tg3_flags
& TG3_FLAG_NVRAM
)
9608 GET_REG32_LOOP(NVRAM_CMD
, 0x24);
9611 #undef GET_REG32_LOOP
9614 tg3_full_unlock(tp
);
9617 static int tg3_get_eeprom_len(struct net_device
*dev
)
9619 struct tg3
*tp
= netdev_priv(dev
);
9621 return tp
->nvram_size
;
9624 static int tg3_get_eeprom(struct net_device
*dev
, struct ethtool_eeprom
*eeprom
, u8
*data
)
9626 struct tg3
*tp
= netdev_priv(dev
);
9629 u32 i
, offset
, len
, b_offset
, b_count
;
9632 if (tp
->tg3_flags3
& TG3_FLG3_NO_NVRAM
)
9635 if (tp
->link_config
.phy_is_low_power
)
9638 offset
= eeprom
->offset
;
9642 eeprom
->magic
= TG3_EEPROM_MAGIC
;
9645 /* adjustments to start on required 4 byte boundary */
9646 b_offset
= offset
& 3;
9647 b_count
= 4 - b_offset
;
9648 if (b_count
> len
) {
9649 /* i.e. offset=1 len=2 */
9652 ret
= tg3_nvram_read_be32(tp
, offset
-b_offset
, &val
);
9655 memcpy(data
, ((char*)&val
) + b_offset
, b_count
);
9658 eeprom
->len
+= b_count
;
9661 /* read bytes upto the last 4 byte boundary */
9662 pd
= &data
[eeprom
->len
];
9663 for (i
= 0; i
< (len
- (len
& 3)); i
+= 4) {
9664 ret
= tg3_nvram_read_be32(tp
, offset
+ i
, &val
);
9669 memcpy(pd
+ i
, &val
, 4);
9674 /* read last bytes not ending on 4 byte boundary */
9675 pd
= &data
[eeprom
->len
];
9677 b_offset
= offset
+ len
- b_count
;
9678 ret
= tg3_nvram_read_be32(tp
, b_offset
, &val
);
9681 memcpy(pd
, &val
, b_count
);
9682 eeprom
->len
+= b_count
;
9687 static int tg3_nvram_write_block(struct tg3
*tp
, u32 offset
, u32 len
, u8
*buf
);
9689 static int tg3_set_eeprom(struct net_device
*dev
, struct ethtool_eeprom
*eeprom
, u8
*data
)
9691 struct tg3
*tp
= netdev_priv(dev
);
9693 u32 offset
, len
, b_offset
, odd_len
;
9697 if (tp
->link_config
.phy_is_low_power
)
9700 if ((tp
->tg3_flags3
& TG3_FLG3_NO_NVRAM
) ||
9701 eeprom
->magic
!= TG3_EEPROM_MAGIC
)
9704 offset
= eeprom
->offset
;
9707 if ((b_offset
= (offset
& 3))) {
9708 /* adjustments to start on required 4 byte boundary */
9709 ret
= tg3_nvram_read_be32(tp
, offset
-b_offset
, &start
);
9720 /* adjustments to end on required 4 byte boundary */
9722 len
= (len
+ 3) & ~3;
9723 ret
= tg3_nvram_read_be32(tp
, offset
+len
-4, &end
);
9729 if (b_offset
|| odd_len
) {
9730 buf
= kmalloc(len
, GFP_KERNEL
);
9734 memcpy(buf
, &start
, 4);
9736 memcpy(buf
+len
-4, &end
, 4);
9737 memcpy(buf
+ b_offset
, data
, eeprom
->len
);
9740 ret
= tg3_nvram_write_block(tp
, offset
, len
, buf
);
9748 static int tg3_get_settings(struct net_device
*dev
, struct ethtool_cmd
*cmd
)
9750 struct tg3
*tp
= netdev_priv(dev
);
9752 if (tp
->tg3_flags3
& TG3_FLG3_USE_PHYLIB
) {
9753 struct phy_device
*phydev
;
9754 if (!(tp
->tg3_flags3
& TG3_FLG3_PHY_CONNECTED
))
9756 phydev
= tp
->mdio_bus
->phy_map
[TG3_PHY_MII_ADDR
];
9757 return phy_ethtool_gset(phydev
, cmd
);
9760 cmd
->supported
= (SUPPORTED_Autoneg
);
9762 if (!(tp
->tg3_flags
& TG3_FLAG_10_100_ONLY
))
9763 cmd
->supported
|= (SUPPORTED_1000baseT_Half
|
9764 SUPPORTED_1000baseT_Full
);
9766 if (!(tp
->tg3_flags2
& TG3_FLG2_ANY_SERDES
)) {
9767 cmd
->supported
|= (SUPPORTED_100baseT_Half
|
9768 SUPPORTED_100baseT_Full
|
9769 SUPPORTED_10baseT_Half
|
9770 SUPPORTED_10baseT_Full
|
9772 cmd
->port
= PORT_TP
;
9774 cmd
->supported
|= SUPPORTED_FIBRE
;
9775 cmd
->port
= PORT_FIBRE
;
9778 cmd
->advertising
= tp
->link_config
.advertising
;
9779 if (netif_running(dev
)) {
9780 cmd
->speed
= tp
->link_config
.active_speed
;
9781 cmd
->duplex
= tp
->link_config
.active_duplex
;
9783 cmd
->phy_address
= tp
->phy_addr
;
9784 cmd
->transceiver
= XCVR_INTERNAL
;
9785 cmd
->autoneg
= tp
->link_config
.autoneg
;
9791 static int tg3_set_settings(struct net_device
*dev
, struct ethtool_cmd
*cmd
)
9793 struct tg3
*tp
= netdev_priv(dev
);
9795 if (tp
->tg3_flags3
& TG3_FLG3_USE_PHYLIB
) {
9796 struct phy_device
*phydev
;
9797 if (!(tp
->tg3_flags3
& TG3_FLG3_PHY_CONNECTED
))
9799 phydev
= tp
->mdio_bus
->phy_map
[TG3_PHY_MII_ADDR
];
9800 return phy_ethtool_sset(phydev
, cmd
);
9803 if (cmd
->autoneg
!= AUTONEG_ENABLE
&&
9804 cmd
->autoneg
!= AUTONEG_DISABLE
)
9807 if (cmd
->autoneg
== AUTONEG_DISABLE
&&
9808 cmd
->duplex
!= DUPLEX_FULL
&&
9809 cmd
->duplex
!= DUPLEX_HALF
)
9812 if (cmd
->autoneg
== AUTONEG_ENABLE
) {
9813 u32 mask
= ADVERTISED_Autoneg
|
9815 ADVERTISED_Asym_Pause
;
9817 if (!(tp
->tg3_flags2
& TG3_FLAG_10_100_ONLY
))
9818 mask
|= ADVERTISED_1000baseT_Half
|
9819 ADVERTISED_1000baseT_Full
;
9821 if (!(tp
->tg3_flags2
& TG3_FLG2_ANY_SERDES
))
9822 mask
|= ADVERTISED_100baseT_Half
|
9823 ADVERTISED_100baseT_Full
|
9824 ADVERTISED_10baseT_Half
|
9825 ADVERTISED_10baseT_Full
|
9828 mask
|= ADVERTISED_FIBRE
;
9830 if (cmd
->advertising
& ~mask
)
9833 mask
&= (ADVERTISED_1000baseT_Half
|
9834 ADVERTISED_1000baseT_Full
|
9835 ADVERTISED_100baseT_Half
|
9836 ADVERTISED_100baseT_Full
|
9837 ADVERTISED_10baseT_Half
|
9838 ADVERTISED_10baseT_Full
);
9840 cmd
->advertising
&= mask
;
9842 if (tp
->tg3_flags2
& TG3_FLG2_ANY_SERDES
) {
9843 if (cmd
->speed
!= SPEED_1000
)
9846 if (cmd
->duplex
!= DUPLEX_FULL
)
9849 if (cmd
->speed
!= SPEED_100
&&
9850 cmd
->speed
!= SPEED_10
)
9855 tg3_full_lock(tp
, 0);
9857 tp
->link_config
.autoneg
= cmd
->autoneg
;
9858 if (cmd
->autoneg
== AUTONEG_ENABLE
) {
9859 tp
->link_config
.advertising
= (cmd
->advertising
|
9860 ADVERTISED_Autoneg
);
9861 tp
->link_config
.speed
= SPEED_INVALID
;
9862 tp
->link_config
.duplex
= DUPLEX_INVALID
;
9864 tp
->link_config
.advertising
= 0;
9865 tp
->link_config
.speed
= cmd
->speed
;
9866 tp
->link_config
.duplex
= cmd
->duplex
;
9869 tp
->link_config
.orig_speed
= tp
->link_config
.speed
;
9870 tp
->link_config
.orig_duplex
= tp
->link_config
.duplex
;
9871 tp
->link_config
.orig_autoneg
= tp
->link_config
.autoneg
;
9873 if (netif_running(dev
))
9874 tg3_setup_phy(tp
, 1);
9876 tg3_full_unlock(tp
);
9881 static void tg3_get_drvinfo(struct net_device
*dev
, struct ethtool_drvinfo
*info
)
9883 struct tg3
*tp
= netdev_priv(dev
);
9885 strcpy(info
->driver
, DRV_MODULE_NAME
);
9886 strcpy(info
->version
, DRV_MODULE_VERSION
);
9887 strcpy(info
->fw_version
, tp
->fw_ver
);
9888 strcpy(info
->bus_info
, pci_name(tp
->pdev
));
9891 static void tg3_get_wol(struct net_device
*dev
, struct ethtool_wolinfo
*wol
)
9893 struct tg3
*tp
= netdev_priv(dev
);
9895 if ((tp
->tg3_flags
& TG3_FLAG_WOL_CAP
) &&
9896 device_can_wakeup(&tp
->pdev
->dev
))
9897 wol
->supported
= WAKE_MAGIC
;
9901 if ((tp
->tg3_flags
& TG3_FLAG_WOL_ENABLE
) &&
9902 device_can_wakeup(&tp
->pdev
->dev
))
9903 wol
->wolopts
= WAKE_MAGIC
;
9904 memset(&wol
->sopass
, 0, sizeof(wol
->sopass
));
9907 static int tg3_set_wol(struct net_device
*dev
, struct ethtool_wolinfo
*wol
)
9909 struct tg3
*tp
= netdev_priv(dev
);
9910 struct device
*dp
= &tp
->pdev
->dev
;
9912 if (wol
->wolopts
& ~WAKE_MAGIC
)
9914 if ((wol
->wolopts
& WAKE_MAGIC
) &&
9915 !((tp
->tg3_flags
& TG3_FLAG_WOL_CAP
) && device_can_wakeup(dp
)))
9918 spin_lock_bh(&tp
->lock
);
9919 if (wol
->wolopts
& WAKE_MAGIC
) {
9920 tp
->tg3_flags
|= TG3_FLAG_WOL_ENABLE
;
9921 device_set_wakeup_enable(dp
, true);
9923 tp
->tg3_flags
&= ~TG3_FLAG_WOL_ENABLE
;
9924 device_set_wakeup_enable(dp
, false);
9926 spin_unlock_bh(&tp
->lock
);
9931 static u32
tg3_get_msglevel(struct net_device
*dev
)
9933 struct tg3
*tp
= netdev_priv(dev
);
9934 return tp
->msg_enable
;
9937 static void tg3_set_msglevel(struct net_device
*dev
, u32 value
)
9939 struct tg3
*tp
= netdev_priv(dev
);
9940 tp
->msg_enable
= value
;
9943 static int tg3_set_tso(struct net_device
*dev
, u32 value
)
9945 struct tg3
*tp
= netdev_priv(dev
);
9947 if (!(tp
->tg3_flags2
& TG3_FLG2_TSO_CAPABLE
)) {
9952 if ((dev
->features
& NETIF_F_IPV6_CSUM
) &&
9953 ((tp
->tg3_flags2
& TG3_FLG2_HW_TSO_2
) ||
9954 (tp
->tg3_flags2
& TG3_FLG2_HW_TSO_3
))) {
9956 dev
->features
|= NETIF_F_TSO6
;
9957 if ((tp
->tg3_flags2
& TG3_FLG2_HW_TSO_3
) ||
9958 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5761
||
9959 (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5784
&&
9960 GET_CHIP_REV(tp
->pci_chip_rev_id
) != CHIPREV_5784_AX
) ||
9961 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5785
||
9962 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57780
)
9963 dev
->features
|= NETIF_F_TSO_ECN
;
9965 dev
->features
&= ~(NETIF_F_TSO6
| NETIF_F_TSO_ECN
);
9967 return ethtool_op_set_tso(dev
, value
);
9970 static int tg3_nway_reset(struct net_device
*dev
)
9972 struct tg3
*tp
= netdev_priv(dev
);
9975 if (!netif_running(dev
))
9978 if (tp
->tg3_flags2
& TG3_FLG2_PHY_SERDES
)
9981 if (tp
->tg3_flags3
& TG3_FLG3_USE_PHYLIB
) {
9982 if (!(tp
->tg3_flags3
& TG3_FLG3_PHY_CONNECTED
))
9984 r
= phy_start_aneg(tp
->mdio_bus
->phy_map
[TG3_PHY_MII_ADDR
]);
9988 spin_lock_bh(&tp
->lock
);
9990 tg3_readphy(tp
, MII_BMCR
, &bmcr
);
9991 if (!tg3_readphy(tp
, MII_BMCR
, &bmcr
) &&
9992 ((bmcr
& BMCR_ANENABLE
) ||
9993 (tp
->tg3_flags2
& TG3_FLG2_PARALLEL_DETECT
))) {
9994 tg3_writephy(tp
, MII_BMCR
, bmcr
| BMCR_ANRESTART
|
9998 spin_unlock_bh(&tp
->lock
);
10004 static void tg3_get_ringparam(struct net_device
*dev
, struct ethtool_ringparam
*ering
)
10006 struct tg3
*tp
= netdev_priv(dev
);
10008 ering
->rx_max_pending
= TG3_RX_RING_SIZE
- 1;
10009 ering
->rx_mini_max_pending
= 0;
10010 if (tp
->tg3_flags
& TG3_FLAG_JUMBO_RING_ENABLE
)
10011 ering
->rx_jumbo_max_pending
= TG3_RX_JUMBO_RING_SIZE
- 1;
10013 ering
->rx_jumbo_max_pending
= 0;
10015 ering
->tx_max_pending
= TG3_TX_RING_SIZE
- 1;
10017 ering
->rx_pending
= tp
->rx_pending
;
10018 ering
->rx_mini_pending
= 0;
10019 if (tp
->tg3_flags
& TG3_FLAG_JUMBO_RING_ENABLE
)
10020 ering
->rx_jumbo_pending
= tp
->rx_jumbo_pending
;
10022 ering
->rx_jumbo_pending
= 0;
10024 ering
->tx_pending
= tp
->napi
[0].tx_pending
;
10027 static int tg3_set_ringparam(struct net_device
*dev
, struct ethtool_ringparam
*ering
)
10029 struct tg3
*tp
= netdev_priv(dev
);
10030 int i
, irq_sync
= 0, err
= 0;
10032 if ((ering
->rx_pending
> TG3_RX_RING_SIZE
- 1) ||
10033 (ering
->rx_jumbo_pending
> TG3_RX_JUMBO_RING_SIZE
- 1) ||
10034 (ering
->tx_pending
> TG3_TX_RING_SIZE
- 1) ||
10035 (ering
->tx_pending
<= MAX_SKB_FRAGS
) ||
10036 ((tp
->tg3_flags2
& TG3_FLG2_TSO_BUG
) &&
10037 (ering
->tx_pending
<= (MAX_SKB_FRAGS
* 3))))
10040 if (netif_running(dev
)) {
10042 tg3_netif_stop(tp
);
10046 tg3_full_lock(tp
, irq_sync
);
10048 tp
->rx_pending
= ering
->rx_pending
;
10050 if ((tp
->tg3_flags2
& TG3_FLG2_MAX_RXPEND_64
) &&
10051 tp
->rx_pending
> 63)
10052 tp
->rx_pending
= 63;
10053 tp
->rx_jumbo_pending
= ering
->rx_jumbo_pending
;
10055 for (i
= 0; i
< TG3_IRQ_MAX_VECS
; i
++)
10056 tp
->napi
[i
].tx_pending
= ering
->tx_pending
;
10058 if (netif_running(dev
)) {
10059 tg3_halt(tp
, RESET_KIND_SHUTDOWN
, 1);
10060 err
= tg3_restart_hw(tp
, 1);
10062 tg3_netif_start(tp
);
10065 tg3_full_unlock(tp
);
10067 if (irq_sync
&& !err
)
10073 static void tg3_get_pauseparam(struct net_device
*dev
, struct ethtool_pauseparam
*epause
)
10075 struct tg3
*tp
= netdev_priv(dev
);
10077 epause
->autoneg
= (tp
->tg3_flags
& TG3_FLAG_PAUSE_AUTONEG
) != 0;
10079 if (tp
->link_config
.active_flowctrl
& FLOW_CTRL_RX
)
10080 epause
->rx_pause
= 1;
10082 epause
->rx_pause
= 0;
10084 if (tp
->link_config
.active_flowctrl
& FLOW_CTRL_TX
)
10085 epause
->tx_pause
= 1;
10087 epause
->tx_pause
= 0;
10090 static int tg3_set_pauseparam(struct net_device
*dev
, struct ethtool_pauseparam
*epause
)
10092 struct tg3
*tp
= netdev_priv(dev
);
10095 if (tp
->tg3_flags3
& TG3_FLG3_USE_PHYLIB
) {
10097 struct phy_device
*phydev
;
10099 phydev
= tp
->mdio_bus
->phy_map
[TG3_PHY_MII_ADDR
];
10101 if (!(phydev
->supported
& SUPPORTED_Pause
) ||
10102 (!(phydev
->supported
& SUPPORTED_Asym_Pause
) &&
10103 ((epause
->rx_pause
&& !epause
->tx_pause
) ||
10104 (!epause
->rx_pause
&& epause
->tx_pause
))))
10107 tp
->link_config
.flowctrl
= 0;
10108 if (epause
->rx_pause
) {
10109 tp
->link_config
.flowctrl
|= FLOW_CTRL_RX
;
10111 if (epause
->tx_pause
) {
10112 tp
->link_config
.flowctrl
|= FLOW_CTRL_TX
;
10113 newadv
= ADVERTISED_Pause
;
10115 newadv
= ADVERTISED_Pause
|
10116 ADVERTISED_Asym_Pause
;
10117 } else if (epause
->tx_pause
) {
10118 tp
->link_config
.flowctrl
|= FLOW_CTRL_TX
;
10119 newadv
= ADVERTISED_Asym_Pause
;
10123 if (epause
->autoneg
)
10124 tp
->tg3_flags
|= TG3_FLAG_PAUSE_AUTONEG
;
10126 tp
->tg3_flags
&= ~TG3_FLAG_PAUSE_AUTONEG
;
10128 if (tp
->tg3_flags3
& TG3_FLG3_PHY_CONNECTED
) {
10129 u32 oldadv
= phydev
->advertising
&
10130 (ADVERTISED_Pause
| ADVERTISED_Asym_Pause
);
10131 if (oldadv
!= newadv
) {
10132 phydev
->advertising
&=
10133 ~(ADVERTISED_Pause
|
10134 ADVERTISED_Asym_Pause
);
10135 phydev
->advertising
|= newadv
;
10136 if (phydev
->autoneg
) {
10138 * Always renegotiate the link to
10139 * inform our link partner of our
10140 * flow control settings, even if the
10141 * flow control is forced. Let
10142 * tg3_adjust_link() do the final
10143 * flow control setup.
10145 return phy_start_aneg(phydev
);
10149 if (!epause
->autoneg
)
10150 tg3_setup_flow_control(tp
, 0, 0);
10152 tp
->link_config
.orig_advertising
&=
10153 ~(ADVERTISED_Pause
|
10154 ADVERTISED_Asym_Pause
);
10155 tp
->link_config
.orig_advertising
|= newadv
;
10160 if (netif_running(dev
)) {
10161 tg3_netif_stop(tp
);
10165 tg3_full_lock(tp
, irq_sync
);
10167 if (epause
->autoneg
)
10168 tp
->tg3_flags
|= TG3_FLAG_PAUSE_AUTONEG
;
10170 tp
->tg3_flags
&= ~TG3_FLAG_PAUSE_AUTONEG
;
10171 if (epause
->rx_pause
)
10172 tp
->link_config
.flowctrl
|= FLOW_CTRL_RX
;
10174 tp
->link_config
.flowctrl
&= ~FLOW_CTRL_RX
;
10175 if (epause
->tx_pause
)
10176 tp
->link_config
.flowctrl
|= FLOW_CTRL_TX
;
10178 tp
->link_config
.flowctrl
&= ~FLOW_CTRL_TX
;
10180 if (netif_running(dev
)) {
10181 tg3_halt(tp
, RESET_KIND_SHUTDOWN
, 1);
10182 err
= tg3_restart_hw(tp
, 1);
10184 tg3_netif_start(tp
);
10187 tg3_full_unlock(tp
);
10193 static u32
tg3_get_rx_csum(struct net_device
*dev
)
10195 struct tg3
*tp
= netdev_priv(dev
);
10196 return (tp
->tg3_flags
& TG3_FLAG_RX_CHECKSUMS
) != 0;
10199 static int tg3_set_rx_csum(struct net_device
*dev
, u32 data
)
10201 struct tg3
*tp
= netdev_priv(dev
);
10203 if (tp
->tg3_flags
& TG3_FLAG_BROKEN_CHECKSUMS
) {
10209 spin_lock_bh(&tp
->lock
);
10211 tp
->tg3_flags
|= TG3_FLAG_RX_CHECKSUMS
;
10213 tp
->tg3_flags
&= ~TG3_FLAG_RX_CHECKSUMS
;
10214 spin_unlock_bh(&tp
->lock
);
10219 static int tg3_set_tx_csum(struct net_device
*dev
, u32 data
)
10221 struct tg3
*tp
= netdev_priv(dev
);
10223 if (tp
->tg3_flags
& TG3_FLAG_BROKEN_CHECKSUMS
) {
10229 if (tp
->tg3_flags3
& TG3_FLG3_5755_PLUS
)
10230 ethtool_op_set_tx_ipv6_csum(dev
, data
);
10232 ethtool_op_set_tx_csum(dev
, data
);
10237 static int tg3_get_sset_count (struct net_device
*dev
, int sset
)
10241 return TG3_NUM_TEST
;
10243 return TG3_NUM_STATS
;
10245 return -EOPNOTSUPP
;
10249 static void tg3_get_strings (struct net_device
*dev
, u32 stringset
, u8
*buf
)
10251 switch (stringset
) {
10253 memcpy(buf
, ðtool_stats_keys
, sizeof(ethtool_stats_keys
));
10256 memcpy(buf
, ðtool_test_keys
, sizeof(ethtool_test_keys
));
10259 WARN_ON(1); /* we need a WARN() */
10264 static int tg3_phys_id(struct net_device
*dev
, u32 data
)
10266 struct tg3
*tp
= netdev_priv(dev
);
10269 if (!netif_running(tp
->dev
))
10273 data
= UINT_MAX
/ 2;
10275 for (i
= 0; i
< (data
* 2); i
++) {
10277 tw32(MAC_LED_CTRL
, LED_CTRL_LNKLED_OVERRIDE
|
10278 LED_CTRL_1000MBPS_ON
|
10279 LED_CTRL_100MBPS_ON
|
10280 LED_CTRL_10MBPS_ON
|
10281 LED_CTRL_TRAFFIC_OVERRIDE
|
10282 LED_CTRL_TRAFFIC_BLINK
|
10283 LED_CTRL_TRAFFIC_LED
);
10286 tw32(MAC_LED_CTRL
, LED_CTRL_LNKLED_OVERRIDE
|
10287 LED_CTRL_TRAFFIC_OVERRIDE
);
10289 if (msleep_interruptible(500))
10292 tw32(MAC_LED_CTRL
, tp
->led_ctrl
);
10296 static void tg3_get_ethtool_stats (struct net_device
*dev
,
10297 struct ethtool_stats
*estats
, u64
*tmp_stats
)
10299 struct tg3
*tp
= netdev_priv(dev
);
10300 memcpy(tmp_stats
, tg3_get_estats(tp
), sizeof(tp
->estats
));
10303 #define NVRAM_TEST_SIZE 0x100
10304 #define NVRAM_SELFBOOT_FORMAT1_0_SIZE 0x14
10305 #define NVRAM_SELFBOOT_FORMAT1_2_SIZE 0x18
10306 #define NVRAM_SELFBOOT_FORMAT1_3_SIZE 0x1c
10307 #define NVRAM_SELFBOOT_HW_SIZE 0x20
10308 #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
10310 static int tg3_test_nvram(struct tg3
*tp
)
10314 int i
, j
, k
, err
= 0, size
;
10316 if (tp
->tg3_flags3
& TG3_FLG3_NO_NVRAM
)
10319 if (tg3_nvram_read(tp
, 0, &magic
) != 0)
10322 if (magic
== TG3_EEPROM_MAGIC
)
10323 size
= NVRAM_TEST_SIZE
;
10324 else if ((magic
& TG3_EEPROM_MAGIC_FW_MSK
) == TG3_EEPROM_MAGIC_FW
) {
10325 if ((magic
& TG3_EEPROM_SB_FORMAT_MASK
) ==
10326 TG3_EEPROM_SB_FORMAT_1
) {
10327 switch (magic
& TG3_EEPROM_SB_REVISION_MASK
) {
10328 case TG3_EEPROM_SB_REVISION_0
:
10329 size
= NVRAM_SELFBOOT_FORMAT1_0_SIZE
;
10331 case TG3_EEPROM_SB_REVISION_2
:
10332 size
= NVRAM_SELFBOOT_FORMAT1_2_SIZE
;
10334 case TG3_EEPROM_SB_REVISION_3
:
10335 size
= NVRAM_SELFBOOT_FORMAT1_3_SIZE
;
10342 } else if ((magic
& TG3_EEPROM_MAGIC_HW_MSK
) == TG3_EEPROM_MAGIC_HW
)
10343 size
= NVRAM_SELFBOOT_HW_SIZE
;
10347 buf
= kmalloc(size
, GFP_KERNEL
);
10352 for (i
= 0, j
= 0; i
< size
; i
+= 4, j
++) {
10353 err
= tg3_nvram_read_be32(tp
, i
, &buf
[j
]);
10360 /* Selfboot format */
10361 magic
= be32_to_cpu(buf
[0]);
10362 if ((magic
& TG3_EEPROM_MAGIC_FW_MSK
) ==
10363 TG3_EEPROM_MAGIC_FW
) {
10364 u8
*buf8
= (u8
*) buf
, csum8
= 0;
10366 if ((magic
& TG3_EEPROM_SB_REVISION_MASK
) ==
10367 TG3_EEPROM_SB_REVISION_2
) {
10368 /* For rev 2, the csum doesn't include the MBA. */
10369 for (i
= 0; i
< TG3_EEPROM_SB_F1R2_MBA_OFF
; i
++)
10371 for (i
= TG3_EEPROM_SB_F1R2_MBA_OFF
+ 4; i
< size
; i
++)
10374 for (i
= 0; i
< size
; i
++)
10387 if ((magic
& TG3_EEPROM_MAGIC_HW_MSK
) ==
10388 TG3_EEPROM_MAGIC_HW
) {
10389 u8 data
[NVRAM_SELFBOOT_DATA_SIZE
];
10390 u8 parity
[NVRAM_SELFBOOT_DATA_SIZE
];
10391 u8
*buf8
= (u8
*) buf
;
10393 /* Separate the parity bits and the data bytes. */
10394 for (i
= 0, j
= 0, k
= 0; i
< NVRAM_SELFBOOT_HW_SIZE
; i
++) {
10395 if ((i
== 0) || (i
== 8)) {
10399 for (l
= 0, msk
= 0x80; l
< 7; l
++, msk
>>= 1)
10400 parity
[k
++] = buf8
[i
] & msk
;
10403 else if (i
== 16) {
10407 for (l
= 0, msk
= 0x20; l
< 6; l
++, msk
>>= 1)
10408 parity
[k
++] = buf8
[i
] & msk
;
10411 for (l
= 0, msk
= 0x80; l
< 8; l
++, msk
>>= 1)
10412 parity
[k
++] = buf8
[i
] & msk
;
10415 data
[j
++] = buf8
[i
];
10419 for (i
= 0; i
< NVRAM_SELFBOOT_DATA_SIZE
; i
++) {
10420 u8 hw8
= hweight8(data
[i
]);
10422 if ((hw8
& 0x1) && parity
[i
])
10424 else if (!(hw8
& 0x1) && !parity
[i
])
10431 /* Bootstrap checksum at offset 0x10 */
10432 csum
= calc_crc((unsigned char *) buf
, 0x10);
10433 if (csum
!= be32_to_cpu(buf
[0x10/4]))
10436 /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
10437 csum
= calc_crc((unsigned char *) &buf
[0x74/4], 0x88);
10438 if (csum
!= be32_to_cpu(buf
[0xfc/4]))
10448 #define TG3_SERDES_TIMEOUT_SEC 2
10449 #define TG3_COPPER_TIMEOUT_SEC 6
10451 static int tg3_test_link(struct tg3
*tp
)
10455 if (!netif_running(tp
->dev
))
10458 if (tp
->tg3_flags2
& TG3_FLG2_ANY_SERDES
)
10459 max
= TG3_SERDES_TIMEOUT_SEC
;
10461 max
= TG3_COPPER_TIMEOUT_SEC
;
10463 for (i
= 0; i
< max
; i
++) {
10464 if (netif_carrier_ok(tp
->dev
))
10467 if (msleep_interruptible(1000))
10474 /* Only test the commonly used registers */
10475 static int tg3_test_registers(struct tg3
*tp
)
10477 int i
, is_5705
, is_5750
;
10478 u32 offset
, read_mask
, write_mask
, val
, save_val
, read_val
;
10482 #define TG3_FL_5705 0x1
10483 #define TG3_FL_NOT_5705 0x2
10484 #define TG3_FL_NOT_5788 0x4
10485 #define TG3_FL_NOT_5750 0x8
10489 /* MAC Control Registers */
10490 { MAC_MODE
, TG3_FL_NOT_5705
,
10491 0x00000000, 0x00ef6f8c },
10492 { MAC_MODE
, TG3_FL_5705
,
10493 0x00000000, 0x01ef6b8c },
10494 { MAC_STATUS
, TG3_FL_NOT_5705
,
10495 0x03800107, 0x00000000 },
10496 { MAC_STATUS
, TG3_FL_5705
,
10497 0x03800100, 0x00000000 },
10498 { MAC_ADDR_0_HIGH
, 0x0000,
10499 0x00000000, 0x0000ffff },
10500 { MAC_ADDR_0_LOW
, 0x0000,
10501 0x00000000, 0xffffffff },
10502 { MAC_RX_MTU_SIZE
, 0x0000,
10503 0x00000000, 0x0000ffff },
10504 { MAC_TX_MODE
, 0x0000,
10505 0x00000000, 0x00000070 },
10506 { MAC_TX_LENGTHS
, 0x0000,
10507 0x00000000, 0x00003fff },
10508 { MAC_RX_MODE
, TG3_FL_NOT_5705
,
10509 0x00000000, 0x000007fc },
10510 { MAC_RX_MODE
, TG3_FL_5705
,
10511 0x00000000, 0x000007dc },
10512 { MAC_HASH_REG_0
, 0x0000,
10513 0x00000000, 0xffffffff },
10514 { MAC_HASH_REG_1
, 0x0000,
10515 0x00000000, 0xffffffff },
10516 { MAC_HASH_REG_2
, 0x0000,
10517 0x00000000, 0xffffffff },
10518 { MAC_HASH_REG_3
, 0x0000,
10519 0x00000000, 0xffffffff },
10521 /* Receive Data and Receive BD Initiator Control Registers. */
10522 { RCVDBDI_JUMBO_BD
+0, TG3_FL_NOT_5705
,
10523 0x00000000, 0xffffffff },
10524 { RCVDBDI_JUMBO_BD
+4, TG3_FL_NOT_5705
,
10525 0x00000000, 0xffffffff },
10526 { RCVDBDI_JUMBO_BD
+8, TG3_FL_NOT_5705
,
10527 0x00000000, 0x00000003 },
10528 { RCVDBDI_JUMBO_BD
+0xc, TG3_FL_NOT_5705
,
10529 0x00000000, 0xffffffff },
10530 { RCVDBDI_STD_BD
+0, 0x0000,
10531 0x00000000, 0xffffffff },
10532 { RCVDBDI_STD_BD
+4, 0x0000,
10533 0x00000000, 0xffffffff },
10534 { RCVDBDI_STD_BD
+8, 0x0000,
10535 0x00000000, 0xffff0002 },
10536 { RCVDBDI_STD_BD
+0xc, 0x0000,
10537 0x00000000, 0xffffffff },
10539 /* Receive BD Initiator Control Registers. */
10540 { RCVBDI_STD_THRESH
, TG3_FL_NOT_5705
,
10541 0x00000000, 0xffffffff },
10542 { RCVBDI_STD_THRESH
, TG3_FL_5705
,
10543 0x00000000, 0x000003ff },
10544 { RCVBDI_JUMBO_THRESH
, TG3_FL_NOT_5705
,
10545 0x00000000, 0xffffffff },
10547 /* Host Coalescing Control Registers. */
10548 { HOSTCC_MODE
, TG3_FL_NOT_5705
,
10549 0x00000000, 0x00000004 },
10550 { HOSTCC_MODE
, TG3_FL_5705
,
10551 0x00000000, 0x000000f6 },
10552 { HOSTCC_RXCOL_TICKS
, TG3_FL_NOT_5705
,
10553 0x00000000, 0xffffffff },
10554 { HOSTCC_RXCOL_TICKS
, TG3_FL_5705
,
10555 0x00000000, 0x000003ff },
10556 { HOSTCC_TXCOL_TICKS
, TG3_FL_NOT_5705
,
10557 0x00000000, 0xffffffff },
10558 { HOSTCC_TXCOL_TICKS
, TG3_FL_5705
,
10559 0x00000000, 0x000003ff },
10560 { HOSTCC_RXMAX_FRAMES
, TG3_FL_NOT_5705
,
10561 0x00000000, 0xffffffff },
10562 { HOSTCC_RXMAX_FRAMES
, TG3_FL_5705
| TG3_FL_NOT_5788
,
10563 0x00000000, 0x000000ff },
10564 { HOSTCC_TXMAX_FRAMES
, TG3_FL_NOT_5705
,
10565 0x00000000, 0xffffffff },
10566 { HOSTCC_TXMAX_FRAMES
, TG3_FL_5705
| TG3_FL_NOT_5788
,
10567 0x00000000, 0x000000ff },
10568 { HOSTCC_RXCOAL_TICK_INT
, TG3_FL_NOT_5705
,
10569 0x00000000, 0xffffffff },
10570 { HOSTCC_TXCOAL_TICK_INT
, TG3_FL_NOT_5705
,
10571 0x00000000, 0xffffffff },
10572 { HOSTCC_RXCOAL_MAXF_INT
, TG3_FL_NOT_5705
,
10573 0x00000000, 0xffffffff },
10574 { HOSTCC_RXCOAL_MAXF_INT
, TG3_FL_5705
| TG3_FL_NOT_5788
,
10575 0x00000000, 0x000000ff },
10576 { HOSTCC_TXCOAL_MAXF_INT
, TG3_FL_NOT_5705
,
10577 0x00000000, 0xffffffff },
10578 { HOSTCC_TXCOAL_MAXF_INT
, TG3_FL_5705
| TG3_FL_NOT_5788
,
10579 0x00000000, 0x000000ff },
10580 { HOSTCC_STAT_COAL_TICKS
, TG3_FL_NOT_5705
,
10581 0x00000000, 0xffffffff },
10582 { HOSTCC_STATS_BLK_HOST_ADDR
, TG3_FL_NOT_5705
,
10583 0x00000000, 0xffffffff },
10584 { HOSTCC_STATS_BLK_HOST_ADDR
+4, TG3_FL_NOT_5705
,
10585 0x00000000, 0xffffffff },
10586 { HOSTCC_STATUS_BLK_HOST_ADDR
, 0x0000,
10587 0x00000000, 0xffffffff },
10588 { HOSTCC_STATUS_BLK_HOST_ADDR
+4, 0x0000,
10589 0x00000000, 0xffffffff },
10590 { HOSTCC_STATS_BLK_NIC_ADDR
, 0x0000,
10591 0xffffffff, 0x00000000 },
10592 { HOSTCC_STATUS_BLK_NIC_ADDR
, 0x0000,
10593 0xffffffff, 0x00000000 },
10595 /* Buffer Manager Control Registers. */
10596 { BUFMGR_MB_POOL_ADDR
, TG3_FL_NOT_5750
,
10597 0x00000000, 0x007fff80 },
10598 { BUFMGR_MB_POOL_SIZE
, TG3_FL_NOT_5750
,
10599 0x00000000, 0x007fffff },
10600 { BUFMGR_MB_RDMA_LOW_WATER
, 0x0000,
10601 0x00000000, 0x0000003f },
10602 { BUFMGR_MB_MACRX_LOW_WATER
, 0x0000,
10603 0x00000000, 0x000001ff },
10604 { BUFMGR_MB_HIGH_WATER
, 0x0000,
10605 0x00000000, 0x000001ff },
10606 { BUFMGR_DMA_DESC_POOL_ADDR
, TG3_FL_NOT_5705
,
10607 0xffffffff, 0x00000000 },
10608 { BUFMGR_DMA_DESC_POOL_SIZE
, TG3_FL_NOT_5705
,
10609 0xffffffff, 0x00000000 },
10611 /* Mailbox Registers */
10612 { GRCMBOX_RCVSTD_PROD_IDX
+4, 0x0000,
10613 0x00000000, 0x000001ff },
10614 { GRCMBOX_RCVJUMBO_PROD_IDX
+4, TG3_FL_NOT_5705
,
10615 0x00000000, 0x000001ff },
10616 { GRCMBOX_RCVRET_CON_IDX_0
+4, 0x0000,
10617 0x00000000, 0x000007ff },
10618 { GRCMBOX_SNDHOST_PROD_IDX_0
+4, 0x0000,
10619 0x00000000, 0x000001ff },
10621 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
10624 is_5705
= is_5750
= 0;
10625 if (tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
) {
10627 if (tp
->tg3_flags2
& TG3_FLG2_5750_PLUS
)
10631 for (i
= 0; reg_tbl
[i
].offset
!= 0xffff; i
++) {
10632 if (is_5705
&& (reg_tbl
[i
].flags
& TG3_FL_NOT_5705
))
10635 if (!is_5705
&& (reg_tbl
[i
].flags
& TG3_FL_5705
))
10638 if ((tp
->tg3_flags2
& TG3_FLG2_IS_5788
) &&
10639 (reg_tbl
[i
].flags
& TG3_FL_NOT_5788
))
10642 if (is_5750
&& (reg_tbl
[i
].flags
& TG3_FL_NOT_5750
))
10645 offset
= (u32
) reg_tbl
[i
].offset
;
10646 read_mask
= reg_tbl
[i
].read_mask
;
10647 write_mask
= reg_tbl
[i
].write_mask
;
10649 /* Save the original register content */
10650 save_val
= tr32(offset
);
10652 /* Determine the read-only value. */
10653 read_val
= save_val
& read_mask
;
10655 /* Write zero to the register, then make sure the read-only bits
10656 * are not changed and the read/write bits are all zeros.
10660 val
= tr32(offset
);
10662 /* Test the read-only and read/write bits. */
10663 if (((val
& read_mask
) != read_val
) || (val
& write_mask
))
10666 /* Write ones to all the bits defined by RdMask and WrMask, then
10667 * make sure the read-only bits are not changed and the
10668 * read/write bits are all ones.
10670 tw32(offset
, read_mask
| write_mask
);
10672 val
= tr32(offset
);
10674 /* Test the read-only bits. */
10675 if ((val
& read_mask
) != read_val
)
10678 /* Test the read/write bits. */
10679 if ((val
& write_mask
) != write_mask
)
10682 tw32(offset
, save_val
);
10688 if (netif_msg_hw(tp
))
10689 printk(KERN_ERR PFX
"Register test failed at offset %x\n",
10691 tw32(offset
, save_val
);
10695 static int tg3_do_mem_test(struct tg3
*tp
, u32 offset
, u32 len
)
10697 static const u32 test_pattern
[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
10701 for (i
= 0; i
< ARRAY_SIZE(test_pattern
); i
++) {
10702 for (j
= 0; j
< len
; j
+= 4) {
10705 tg3_write_mem(tp
, offset
+ j
, test_pattern
[i
]);
10706 tg3_read_mem(tp
, offset
+ j
, &val
);
10707 if (val
!= test_pattern
[i
])
10714 static int tg3_test_memory(struct tg3
*tp
)
10716 static struct mem_entry
{
10719 } mem_tbl_570x
[] = {
10720 { 0x00000000, 0x00b50},
10721 { 0x00002000, 0x1c000},
10722 { 0xffffffff, 0x00000}
10723 }, mem_tbl_5705
[] = {
10724 { 0x00000100, 0x0000c},
10725 { 0x00000200, 0x00008},
10726 { 0x00004000, 0x00800},
10727 { 0x00006000, 0x01000},
10728 { 0x00008000, 0x02000},
10729 { 0x00010000, 0x0e000},
10730 { 0xffffffff, 0x00000}
10731 }, mem_tbl_5755
[] = {
10732 { 0x00000200, 0x00008},
10733 { 0x00004000, 0x00800},
10734 { 0x00006000, 0x00800},
10735 { 0x00008000, 0x02000},
10736 { 0x00010000, 0x0c000},
10737 { 0xffffffff, 0x00000}
10738 }, mem_tbl_5906
[] = {
10739 { 0x00000200, 0x00008},
10740 { 0x00004000, 0x00400},
10741 { 0x00006000, 0x00400},
10742 { 0x00008000, 0x01000},
10743 { 0x00010000, 0x01000},
10744 { 0xffffffff, 0x00000}
10745 }, mem_tbl_5717
[] = {
10746 { 0x00000200, 0x00008},
10747 { 0x00010000, 0x0a000},
10748 { 0x00020000, 0x13c00},
10749 { 0xffffffff, 0x00000}
10750 }, mem_tbl_57765
[] = {
10751 { 0x00000200, 0x00008},
10752 { 0x00004000, 0x00800},
10753 { 0x00006000, 0x09800},
10754 { 0x00010000, 0x0a000},
10755 { 0xffffffff, 0x00000}
10757 struct mem_entry
*mem_tbl
;
10761 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
)
10762 mem_tbl
= mem_tbl_5717
;
10763 else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
)
10764 mem_tbl
= mem_tbl_57765
;
10765 else if (tp
->tg3_flags3
& TG3_FLG3_5755_PLUS
)
10766 mem_tbl
= mem_tbl_5755
;
10767 else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
)
10768 mem_tbl
= mem_tbl_5906
;
10769 else if (tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
)
10770 mem_tbl
= mem_tbl_5705
;
10772 mem_tbl
= mem_tbl_570x
;
10774 for (i
= 0; mem_tbl
[i
].offset
!= 0xffffffff; i
++) {
10775 if ((err
= tg3_do_mem_test(tp
, mem_tbl
[i
].offset
,
10776 mem_tbl
[i
].len
)) != 0)
10783 #define TG3_MAC_LOOPBACK 0
10784 #define TG3_PHY_LOOPBACK 1
10786 static int tg3_run_loopback(struct tg3
*tp
, int loopback_mode
)
10788 u32 mac_mode
, rx_start_idx
, rx_idx
, tx_idx
, opaque_key
;
10789 u32 desc_idx
, coal_now
;
10790 struct sk_buff
*skb
, *rx_skb
;
10793 int num_pkts
, tx_len
, rx_len
, i
, err
;
10794 struct tg3_rx_buffer_desc
*desc
;
10795 struct tg3_napi
*tnapi
, *rnapi
;
10796 struct tg3_rx_prodring_set
*tpr
= &tp
->prodring
[0];
10798 tnapi
= &tp
->napi
[0];
10799 rnapi
= &tp
->napi
[0];
10800 if (tp
->irq_cnt
> 1) {
10801 rnapi
= &tp
->napi
[1];
10802 if (tp
->tg3_flags3
& TG3_FLG3_ENABLE_TSS
)
10803 tnapi
= &tp
->napi
[1];
10805 coal_now
= tnapi
->coal_now
| rnapi
->coal_now
;
10807 if (loopback_mode
== TG3_MAC_LOOPBACK
) {
10808 /* HW errata - mac loopback fails in some cases on 5780.
10809 * Normal traffic and PHY loopback are not affected by
10812 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5780
)
10815 mac_mode
= (tp
->mac_mode
& ~MAC_MODE_PORT_MODE_MASK
) |
10816 MAC_MODE_PORT_INT_LPBACK
;
10817 if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
))
10818 mac_mode
|= MAC_MODE_LINK_POLARITY
;
10819 if (tp
->tg3_flags
& TG3_FLAG_10_100_ONLY
)
10820 mac_mode
|= MAC_MODE_PORT_MODE_MII
;
10822 mac_mode
|= MAC_MODE_PORT_MODE_GMII
;
10823 tw32(MAC_MODE
, mac_mode
);
10824 } else if (loopback_mode
== TG3_PHY_LOOPBACK
) {
10827 if (tp
->tg3_flags3
& TG3_FLG3_PHY_IS_FET
) {
10828 tg3_phy_fet_toggle_apd(tp
, false);
10829 val
= BMCR_LOOPBACK
| BMCR_FULLDPLX
| BMCR_SPEED100
;
10831 val
= BMCR_LOOPBACK
| BMCR_FULLDPLX
| BMCR_SPEED1000
;
10833 tg3_phy_toggle_automdix(tp
, 0);
10835 tg3_writephy(tp
, MII_BMCR
, val
);
10838 mac_mode
= tp
->mac_mode
& ~MAC_MODE_PORT_MODE_MASK
;
10839 if (tp
->tg3_flags3
& TG3_FLG3_PHY_IS_FET
) {
10840 tg3_writephy(tp
, MII_TG3_FET_PTEST
,
10841 MII_TG3_FET_PTEST_FRC_TX_LINK
|
10842 MII_TG3_FET_PTEST_FRC_TX_LOCK
);
10843 /* The write needs to be flushed for the AC131 */
10844 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5785
)
10845 tg3_readphy(tp
, MII_TG3_FET_PTEST
, &val
);
10846 mac_mode
|= MAC_MODE_PORT_MODE_MII
;
10848 mac_mode
|= MAC_MODE_PORT_MODE_GMII
;
10850 /* reset to prevent losing 1st rx packet intermittently */
10851 if (tp
->tg3_flags2
& TG3_FLG2_MII_SERDES
) {
10852 tw32_f(MAC_RX_MODE
, RX_MODE_RESET
);
10854 tw32_f(MAC_RX_MODE
, tp
->rx_mode
);
10856 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5700
) {
10857 if ((tp
->phy_id
& PHY_ID_MASK
) == PHY_ID_BCM5401
)
10858 mac_mode
&= ~MAC_MODE_LINK_POLARITY
;
10859 else if ((tp
->phy_id
& PHY_ID_MASK
) == PHY_ID_BCM5411
)
10860 mac_mode
|= MAC_MODE_LINK_POLARITY
;
10861 tg3_writephy(tp
, MII_TG3_EXT_CTRL
,
10862 MII_TG3_EXT_CTRL_LNK3_LED_MODE
);
10864 tw32(MAC_MODE
, mac_mode
);
10872 skb
= netdev_alloc_skb(tp
->dev
, tx_len
);
10876 tx_data
= skb_put(skb
, tx_len
);
10877 memcpy(tx_data
, tp
->dev
->dev_addr
, 6);
10878 memset(tx_data
+ 6, 0x0, 8);
10880 tw32(MAC_RX_MTU_SIZE
, tx_len
+ 4);
10882 for (i
= 14; i
< tx_len
; i
++)
10883 tx_data
[i
] = (u8
) (i
& 0xff);
10885 map
= pci_map_single(tp
->pdev
, skb
->data
, tx_len
, PCI_DMA_TODEVICE
);
10886 if (pci_dma_mapping_error(tp
->pdev
, map
)) {
10887 dev_kfree_skb(skb
);
10891 tw32_f(HOSTCC_MODE
, tp
->coalesce_mode
| HOSTCC_MODE_ENABLE
|
10896 rx_start_idx
= rnapi
->hw_status
->idx
[0].rx_producer
;
10900 tg3_set_txd(tnapi
, tnapi
->tx_prod
, map
, tx_len
, 0, 1);
10905 tw32_tx_mbox(tnapi
->prodmbox
, tnapi
->tx_prod
);
10906 tr32_mailbox(tnapi
->prodmbox
);
10910 /* 350 usec to allow enough time on some 10/100 Mbps devices. */
10911 for (i
= 0; i
< 35; i
++) {
10912 tw32_f(HOSTCC_MODE
, tp
->coalesce_mode
| HOSTCC_MODE_ENABLE
|
10917 tx_idx
= tnapi
->hw_status
->idx
[0].tx_consumer
;
10918 rx_idx
= rnapi
->hw_status
->idx
[0].rx_producer
;
10919 if ((tx_idx
== tnapi
->tx_prod
) &&
10920 (rx_idx
== (rx_start_idx
+ num_pkts
)))
10924 pci_unmap_single(tp
->pdev
, map
, tx_len
, PCI_DMA_TODEVICE
);
10925 dev_kfree_skb(skb
);
10927 if (tx_idx
!= tnapi
->tx_prod
)
10930 if (rx_idx
!= rx_start_idx
+ num_pkts
)
10933 desc
= &rnapi
->rx_rcb
[rx_start_idx
];
10934 desc_idx
= desc
->opaque
& RXD_OPAQUE_INDEX_MASK
;
10935 opaque_key
= desc
->opaque
& RXD_OPAQUE_RING_MASK
;
10936 if (opaque_key
!= RXD_OPAQUE_RING_STD
)
10939 if ((desc
->err_vlan
& RXD_ERR_MASK
) != 0 &&
10940 (desc
->err_vlan
!= RXD_ERR_ODD_NIBBLE_RCVD_MII
))
10943 rx_len
= ((desc
->idx_len
& RXD_LEN_MASK
) >> RXD_LEN_SHIFT
) - 4;
10944 if (rx_len
!= tx_len
)
10947 rx_skb
= tpr
->rx_std_buffers
[desc_idx
].skb
;
10949 map
= pci_unmap_addr(&tpr
->rx_std_buffers
[desc_idx
], mapping
);
10950 pci_dma_sync_single_for_cpu(tp
->pdev
, map
, rx_len
, PCI_DMA_FROMDEVICE
);
10952 for (i
= 14; i
< tx_len
; i
++) {
10953 if (*(rx_skb
->data
+ i
) != (u8
) (i
& 0xff))
10958 /* tg3_free_rings will unmap and free the rx_skb */
10963 #define TG3_MAC_LOOPBACK_FAILED 1
10964 #define TG3_PHY_LOOPBACK_FAILED 2
10965 #define TG3_LOOPBACK_FAILED (TG3_MAC_LOOPBACK_FAILED | \
10966 TG3_PHY_LOOPBACK_FAILED)
10968 static int tg3_test_loopback(struct tg3
*tp
)
10973 if (!netif_running(tp
->dev
))
10974 return TG3_LOOPBACK_FAILED
;
10976 err
= tg3_reset_hw(tp
, 1);
10978 return TG3_LOOPBACK_FAILED
;
10980 /* Turn off gphy autopowerdown. */
10981 if (tp
->tg3_flags3
& TG3_FLG3_PHY_ENABLE_APD
)
10982 tg3_phy_toggle_apd(tp
, false);
10984 if (tp
->tg3_flags
& TG3_FLAG_CPMU_PRESENT
) {
10988 tw32(TG3_CPMU_MUTEX_REQ
, CPMU_MUTEX_REQ_DRIVER
);
10990 /* Wait for up to 40 microseconds to acquire lock. */
10991 for (i
= 0; i
< 4; i
++) {
10992 status
= tr32(TG3_CPMU_MUTEX_GNT
);
10993 if (status
== CPMU_MUTEX_GNT_DRIVER
)
10998 if (status
!= CPMU_MUTEX_GNT_DRIVER
)
10999 return TG3_LOOPBACK_FAILED
;
11001 /* Turn off link-based power management. */
11002 cpmuctrl
= tr32(TG3_CPMU_CTRL
);
11003 tw32(TG3_CPMU_CTRL
,
11004 cpmuctrl
& ~(CPMU_CTRL_LINK_SPEED_MODE
|
11005 CPMU_CTRL_LINK_AWARE_MODE
));
11008 if (tg3_run_loopback(tp
, TG3_MAC_LOOPBACK
))
11009 err
|= TG3_MAC_LOOPBACK_FAILED
;
11011 if (tp
->tg3_flags
& TG3_FLAG_CPMU_PRESENT
) {
11012 tw32(TG3_CPMU_CTRL
, cpmuctrl
);
11014 /* Release the mutex */
11015 tw32(TG3_CPMU_MUTEX_GNT
, CPMU_MUTEX_GNT_DRIVER
);
11018 if (!(tp
->tg3_flags2
& TG3_FLG2_PHY_SERDES
) &&
11019 !(tp
->tg3_flags3
& TG3_FLG3_USE_PHYLIB
)) {
11020 if (tg3_run_loopback(tp
, TG3_PHY_LOOPBACK
))
11021 err
|= TG3_PHY_LOOPBACK_FAILED
;
11024 /* Re-enable gphy autopowerdown. */
11025 if (tp
->tg3_flags3
& TG3_FLG3_PHY_ENABLE_APD
)
11026 tg3_phy_toggle_apd(tp
, true);
11031 static void tg3_self_test(struct net_device
*dev
, struct ethtool_test
*etest
,
11034 struct tg3
*tp
= netdev_priv(dev
);
11036 if (tp
->link_config
.phy_is_low_power
)
11037 tg3_set_power_state(tp
, PCI_D0
);
11039 memset(data
, 0, sizeof(u64
) * TG3_NUM_TEST
);
11041 if (tg3_test_nvram(tp
) != 0) {
11042 etest
->flags
|= ETH_TEST_FL_FAILED
;
11045 if (tg3_test_link(tp
) != 0) {
11046 etest
->flags
|= ETH_TEST_FL_FAILED
;
11049 if (etest
->flags
& ETH_TEST_FL_OFFLINE
) {
11050 int err
, err2
= 0, irq_sync
= 0;
11052 if (netif_running(dev
)) {
11054 tg3_netif_stop(tp
);
11058 tg3_full_lock(tp
, irq_sync
);
11060 tg3_halt(tp
, RESET_KIND_SUSPEND
, 1);
11061 err
= tg3_nvram_lock(tp
);
11062 tg3_halt_cpu(tp
, RX_CPU_BASE
);
11063 if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
))
11064 tg3_halt_cpu(tp
, TX_CPU_BASE
);
11066 tg3_nvram_unlock(tp
);
11068 if (tp
->tg3_flags2
& TG3_FLG2_MII_SERDES
)
11071 if (tg3_test_registers(tp
) != 0) {
11072 etest
->flags
|= ETH_TEST_FL_FAILED
;
11075 if (tg3_test_memory(tp
) != 0) {
11076 etest
->flags
|= ETH_TEST_FL_FAILED
;
11079 if ((data
[4] = tg3_test_loopback(tp
)) != 0)
11080 etest
->flags
|= ETH_TEST_FL_FAILED
;
11082 tg3_full_unlock(tp
);
11084 if (tg3_test_interrupt(tp
) != 0) {
11085 etest
->flags
|= ETH_TEST_FL_FAILED
;
11089 tg3_full_lock(tp
, 0);
11091 tg3_halt(tp
, RESET_KIND_SHUTDOWN
, 1);
11092 if (netif_running(dev
)) {
11093 tp
->tg3_flags
|= TG3_FLAG_INIT_COMPLETE
;
11094 err2
= tg3_restart_hw(tp
, 1);
11096 tg3_netif_start(tp
);
11099 tg3_full_unlock(tp
);
11101 if (irq_sync
&& !err2
)
11104 if (tp
->link_config
.phy_is_low_power
)
11105 tg3_set_power_state(tp
, PCI_D3hot
);
11109 static int tg3_ioctl(struct net_device
*dev
, struct ifreq
*ifr
, int cmd
)
11111 struct mii_ioctl_data
*data
= if_mii(ifr
);
11112 struct tg3
*tp
= netdev_priv(dev
);
11115 if (tp
->tg3_flags3
& TG3_FLG3_USE_PHYLIB
) {
11116 struct phy_device
*phydev
;
11117 if (!(tp
->tg3_flags3
& TG3_FLG3_PHY_CONNECTED
))
11119 phydev
= tp
->mdio_bus
->phy_map
[TG3_PHY_MII_ADDR
];
11120 return phy_mii_ioctl(phydev
, data
, cmd
);
11125 data
->phy_id
= tp
->phy_addr
;
11128 case SIOCGMIIREG
: {
11131 if (tp
->tg3_flags2
& TG3_FLG2_PHY_SERDES
)
11132 break; /* We have no PHY */
11134 if (tp
->link_config
.phy_is_low_power
)
11137 spin_lock_bh(&tp
->lock
);
11138 err
= tg3_readphy(tp
, data
->reg_num
& 0x1f, &mii_regval
);
11139 spin_unlock_bh(&tp
->lock
);
11141 data
->val_out
= mii_regval
;
11147 if (tp
->tg3_flags2
& TG3_FLG2_PHY_SERDES
)
11148 break; /* We have no PHY */
11150 if (tp
->link_config
.phy_is_low_power
)
11153 spin_lock_bh(&tp
->lock
);
11154 err
= tg3_writephy(tp
, data
->reg_num
& 0x1f, data
->val_in
);
11155 spin_unlock_bh(&tp
->lock
);
11163 return -EOPNOTSUPP
;
11166 #if TG3_VLAN_TAG_USED
11167 static void tg3_vlan_rx_register(struct net_device
*dev
, struct vlan_group
*grp
)
11169 struct tg3
*tp
= netdev_priv(dev
);
11171 if (!netif_running(dev
)) {
11176 tg3_netif_stop(tp
);
11178 tg3_full_lock(tp
, 0);
11182 /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
11183 __tg3_set_rx_mode(dev
);
11185 tg3_netif_start(tp
);
11187 tg3_full_unlock(tp
);
11191 static int tg3_get_coalesce(struct net_device
*dev
, struct ethtool_coalesce
*ec
)
11193 struct tg3
*tp
= netdev_priv(dev
);
11195 memcpy(ec
, &tp
->coal
, sizeof(*ec
));
11199 static int tg3_set_coalesce(struct net_device
*dev
, struct ethtool_coalesce
*ec
)
11201 struct tg3
*tp
= netdev_priv(dev
);
11202 u32 max_rxcoal_tick_int
= 0, max_txcoal_tick_int
= 0;
11203 u32 max_stat_coal_ticks
= 0, min_stat_coal_ticks
= 0;
11205 if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
)) {
11206 max_rxcoal_tick_int
= MAX_RXCOAL_TICK_INT
;
11207 max_txcoal_tick_int
= MAX_TXCOAL_TICK_INT
;
11208 max_stat_coal_ticks
= MAX_STAT_COAL_TICKS
;
11209 min_stat_coal_ticks
= MIN_STAT_COAL_TICKS
;
11212 if ((ec
->rx_coalesce_usecs
> MAX_RXCOL_TICKS
) ||
11213 (ec
->tx_coalesce_usecs
> MAX_TXCOL_TICKS
) ||
11214 (ec
->rx_max_coalesced_frames
> MAX_RXMAX_FRAMES
) ||
11215 (ec
->tx_max_coalesced_frames
> MAX_TXMAX_FRAMES
) ||
11216 (ec
->rx_coalesce_usecs_irq
> max_rxcoal_tick_int
) ||
11217 (ec
->tx_coalesce_usecs_irq
> max_txcoal_tick_int
) ||
11218 (ec
->rx_max_coalesced_frames_irq
> MAX_RXCOAL_MAXF_INT
) ||
11219 (ec
->tx_max_coalesced_frames_irq
> MAX_TXCOAL_MAXF_INT
) ||
11220 (ec
->stats_block_coalesce_usecs
> max_stat_coal_ticks
) ||
11221 (ec
->stats_block_coalesce_usecs
< min_stat_coal_ticks
))
11224 /* No rx interrupts will be generated if both are zero */
11225 if ((ec
->rx_coalesce_usecs
== 0) &&
11226 (ec
->rx_max_coalesced_frames
== 0))
11229 /* No tx interrupts will be generated if both are zero */
11230 if ((ec
->tx_coalesce_usecs
== 0) &&
11231 (ec
->tx_max_coalesced_frames
== 0))
11234 /* Only copy relevant parameters, ignore all others. */
11235 tp
->coal
.rx_coalesce_usecs
= ec
->rx_coalesce_usecs
;
11236 tp
->coal
.tx_coalesce_usecs
= ec
->tx_coalesce_usecs
;
11237 tp
->coal
.rx_max_coalesced_frames
= ec
->rx_max_coalesced_frames
;
11238 tp
->coal
.tx_max_coalesced_frames
= ec
->tx_max_coalesced_frames
;
11239 tp
->coal
.rx_coalesce_usecs_irq
= ec
->rx_coalesce_usecs_irq
;
11240 tp
->coal
.tx_coalesce_usecs_irq
= ec
->tx_coalesce_usecs_irq
;
11241 tp
->coal
.rx_max_coalesced_frames_irq
= ec
->rx_max_coalesced_frames_irq
;
11242 tp
->coal
.tx_max_coalesced_frames_irq
= ec
->tx_max_coalesced_frames_irq
;
11243 tp
->coal
.stats_block_coalesce_usecs
= ec
->stats_block_coalesce_usecs
;
11245 if (netif_running(dev
)) {
11246 tg3_full_lock(tp
, 0);
11247 __tg3_set_coalesce(tp
, &tp
->coal
);
11248 tg3_full_unlock(tp
);
11253 static const struct ethtool_ops tg3_ethtool_ops
= {
11254 .get_settings
= tg3_get_settings
,
11255 .set_settings
= tg3_set_settings
,
11256 .get_drvinfo
= tg3_get_drvinfo
,
11257 .get_regs_len
= tg3_get_regs_len
,
11258 .get_regs
= tg3_get_regs
,
11259 .get_wol
= tg3_get_wol
,
11260 .set_wol
= tg3_set_wol
,
11261 .get_msglevel
= tg3_get_msglevel
,
11262 .set_msglevel
= tg3_set_msglevel
,
11263 .nway_reset
= tg3_nway_reset
,
11264 .get_link
= ethtool_op_get_link
,
11265 .get_eeprom_len
= tg3_get_eeprom_len
,
11266 .get_eeprom
= tg3_get_eeprom
,
11267 .set_eeprom
= tg3_set_eeprom
,
11268 .get_ringparam
= tg3_get_ringparam
,
11269 .set_ringparam
= tg3_set_ringparam
,
11270 .get_pauseparam
= tg3_get_pauseparam
,
11271 .set_pauseparam
= tg3_set_pauseparam
,
11272 .get_rx_csum
= tg3_get_rx_csum
,
11273 .set_rx_csum
= tg3_set_rx_csum
,
11274 .set_tx_csum
= tg3_set_tx_csum
,
11275 .set_sg
= ethtool_op_set_sg
,
11276 .set_tso
= tg3_set_tso
,
11277 .self_test
= tg3_self_test
,
11278 .get_strings
= tg3_get_strings
,
11279 .phys_id
= tg3_phys_id
,
11280 .get_ethtool_stats
= tg3_get_ethtool_stats
,
11281 .get_coalesce
= tg3_get_coalesce
,
11282 .set_coalesce
= tg3_set_coalesce
,
11283 .get_sset_count
= tg3_get_sset_count
,
11286 static void __devinit
tg3_get_eeprom_size(struct tg3
*tp
)
11288 u32 cursize
, val
, magic
;
11290 tp
->nvram_size
= EEPROM_CHIP_SIZE
;
11292 if (tg3_nvram_read(tp
, 0, &magic
) != 0)
11295 if ((magic
!= TG3_EEPROM_MAGIC
) &&
11296 ((magic
& TG3_EEPROM_MAGIC_FW_MSK
) != TG3_EEPROM_MAGIC_FW
) &&
11297 ((magic
& TG3_EEPROM_MAGIC_HW_MSK
) != TG3_EEPROM_MAGIC_HW
))
11301 * Size the chip by reading offsets at increasing powers of two.
11302 * When we encounter our validation signature, we know the addressing
11303 * has wrapped around, and thus have our chip size.
11307 while (cursize
< tp
->nvram_size
) {
11308 if (tg3_nvram_read(tp
, cursize
, &val
) != 0)
11317 tp
->nvram_size
= cursize
;
11320 static void __devinit
tg3_get_nvram_size(struct tg3
*tp
)
11324 if ((tp
->tg3_flags3
& TG3_FLG3_NO_NVRAM
) ||
11325 tg3_nvram_read(tp
, 0, &val
) != 0)
11328 /* Selfboot format */
11329 if (val
!= TG3_EEPROM_MAGIC
) {
11330 tg3_get_eeprom_size(tp
);
11334 if (tg3_nvram_read(tp
, 0xf0, &val
) == 0) {
11336 /* This is confusing. We want to operate on the
11337 * 16-bit value at offset 0xf2. The tg3_nvram_read()
11338 * call will read from NVRAM and byteswap the data
11339 * according to the byteswapping settings for all
11340 * other register accesses. This ensures the data we
11341 * want will always reside in the lower 16-bits.
11342 * However, the data in NVRAM is in LE format, which
11343 * means the data from the NVRAM read will always be
11344 * opposite the endianness of the CPU. The 16-bit
11345 * byteswap then brings the data to CPU endianness.
11347 tp
->nvram_size
= swab16((u16
)(val
& 0x0000ffff)) * 1024;
11351 tp
->nvram_size
= TG3_NVRAM_SIZE_512KB
;
11354 static void __devinit
tg3_get_nvram_info(struct tg3
*tp
)
11358 nvcfg1
= tr32(NVRAM_CFG1
);
11359 if (nvcfg1
& NVRAM_CFG1_FLASHIF_ENAB
) {
11360 tp
->tg3_flags2
|= TG3_FLG2_FLASH
;
11362 nvcfg1
&= ~NVRAM_CFG1_COMPAT_BYPASS
;
11363 tw32(NVRAM_CFG1
, nvcfg1
);
11366 if ((GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5750
) ||
11367 (tp
->tg3_flags2
& TG3_FLG2_5780_CLASS
)) {
11368 switch (nvcfg1
& NVRAM_CFG1_VENDOR_MASK
) {
11369 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED
:
11370 tp
->nvram_jedecnum
= JEDEC_ATMEL
;
11371 tp
->nvram_pagesize
= ATMEL_AT45DB0X1B_PAGE_SIZE
;
11372 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11374 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED
:
11375 tp
->nvram_jedecnum
= JEDEC_ATMEL
;
11376 tp
->nvram_pagesize
= ATMEL_AT25F512_PAGE_SIZE
;
11378 case FLASH_VENDOR_ATMEL_EEPROM
:
11379 tp
->nvram_jedecnum
= JEDEC_ATMEL
;
11380 tp
->nvram_pagesize
= ATMEL_AT24C512_CHIP_SIZE
;
11381 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11383 case FLASH_VENDOR_ST
:
11384 tp
->nvram_jedecnum
= JEDEC_ST
;
11385 tp
->nvram_pagesize
= ST_M45PEX0_PAGE_SIZE
;
11386 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11388 case FLASH_VENDOR_SAIFUN
:
11389 tp
->nvram_jedecnum
= JEDEC_SAIFUN
;
11390 tp
->nvram_pagesize
= SAIFUN_SA25F0XX_PAGE_SIZE
;
11392 case FLASH_VENDOR_SST_SMALL
:
11393 case FLASH_VENDOR_SST_LARGE
:
11394 tp
->nvram_jedecnum
= JEDEC_SST
;
11395 tp
->nvram_pagesize
= SST_25VF0X0_PAGE_SIZE
;
11399 tp
->nvram_jedecnum
= JEDEC_ATMEL
;
11400 tp
->nvram_pagesize
= ATMEL_AT45DB0X1B_PAGE_SIZE
;
11401 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11405 static void __devinit
tg3_nvram_get_pagesize(struct tg3
*tp
, u32 nvmcfg1
)
11407 switch (nvmcfg1
& NVRAM_CFG1_5752PAGE_SIZE_MASK
) {
11408 case FLASH_5752PAGE_SIZE_256
:
11409 tp
->nvram_pagesize
= 256;
11411 case FLASH_5752PAGE_SIZE_512
:
11412 tp
->nvram_pagesize
= 512;
11414 case FLASH_5752PAGE_SIZE_1K
:
11415 tp
->nvram_pagesize
= 1024;
11417 case FLASH_5752PAGE_SIZE_2K
:
11418 tp
->nvram_pagesize
= 2048;
11420 case FLASH_5752PAGE_SIZE_4K
:
11421 tp
->nvram_pagesize
= 4096;
11423 case FLASH_5752PAGE_SIZE_264
:
11424 tp
->nvram_pagesize
= 264;
11426 case FLASH_5752PAGE_SIZE_528
:
11427 tp
->nvram_pagesize
= 528;
11432 static void __devinit
tg3_get_5752_nvram_info(struct tg3
*tp
)
11436 nvcfg1
= tr32(NVRAM_CFG1
);
11438 /* NVRAM protection for TPM */
11439 if (nvcfg1
& (1 << 27))
11440 tp
->tg3_flags3
|= TG3_FLG3_PROTECTED_NVRAM
;
11442 switch (nvcfg1
& NVRAM_CFG1_5752VENDOR_MASK
) {
11443 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ
:
11444 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ
:
11445 tp
->nvram_jedecnum
= JEDEC_ATMEL
;
11446 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11448 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED
:
11449 tp
->nvram_jedecnum
= JEDEC_ATMEL
;
11450 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11451 tp
->tg3_flags2
|= TG3_FLG2_FLASH
;
11453 case FLASH_5752VENDOR_ST_M45PE10
:
11454 case FLASH_5752VENDOR_ST_M45PE20
:
11455 case FLASH_5752VENDOR_ST_M45PE40
:
11456 tp
->nvram_jedecnum
= JEDEC_ST
;
11457 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11458 tp
->tg3_flags2
|= TG3_FLG2_FLASH
;
11462 if (tp
->tg3_flags2
& TG3_FLG2_FLASH
) {
11463 tg3_nvram_get_pagesize(tp
, nvcfg1
);
11465 /* For eeprom, set pagesize to maximum eeprom size */
11466 tp
->nvram_pagesize
= ATMEL_AT24C512_CHIP_SIZE
;
11468 nvcfg1
&= ~NVRAM_CFG1_COMPAT_BYPASS
;
11469 tw32(NVRAM_CFG1
, nvcfg1
);
11473 static void __devinit
tg3_get_5755_nvram_info(struct tg3
*tp
)
11475 u32 nvcfg1
, protect
= 0;
11477 nvcfg1
= tr32(NVRAM_CFG1
);
11479 /* NVRAM protection for TPM */
11480 if (nvcfg1
& (1 << 27)) {
11481 tp
->tg3_flags3
|= TG3_FLG3_PROTECTED_NVRAM
;
11485 nvcfg1
&= NVRAM_CFG1_5752VENDOR_MASK
;
11487 case FLASH_5755VENDOR_ATMEL_FLASH_1
:
11488 case FLASH_5755VENDOR_ATMEL_FLASH_2
:
11489 case FLASH_5755VENDOR_ATMEL_FLASH_3
:
11490 case FLASH_5755VENDOR_ATMEL_FLASH_5
:
11491 tp
->nvram_jedecnum
= JEDEC_ATMEL
;
11492 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11493 tp
->tg3_flags2
|= TG3_FLG2_FLASH
;
11494 tp
->nvram_pagesize
= 264;
11495 if (nvcfg1
== FLASH_5755VENDOR_ATMEL_FLASH_1
||
11496 nvcfg1
== FLASH_5755VENDOR_ATMEL_FLASH_5
)
11497 tp
->nvram_size
= (protect
? 0x3e200 :
11498 TG3_NVRAM_SIZE_512KB
);
11499 else if (nvcfg1
== FLASH_5755VENDOR_ATMEL_FLASH_2
)
11500 tp
->nvram_size
= (protect
? 0x1f200 :
11501 TG3_NVRAM_SIZE_256KB
);
11503 tp
->nvram_size
= (protect
? 0x1f200 :
11504 TG3_NVRAM_SIZE_128KB
);
11506 case FLASH_5752VENDOR_ST_M45PE10
:
11507 case FLASH_5752VENDOR_ST_M45PE20
:
11508 case FLASH_5752VENDOR_ST_M45PE40
:
11509 tp
->nvram_jedecnum
= JEDEC_ST
;
11510 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11511 tp
->tg3_flags2
|= TG3_FLG2_FLASH
;
11512 tp
->nvram_pagesize
= 256;
11513 if (nvcfg1
== FLASH_5752VENDOR_ST_M45PE10
)
11514 tp
->nvram_size
= (protect
?
11515 TG3_NVRAM_SIZE_64KB
:
11516 TG3_NVRAM_SIZE_128KB
);
11517 else if (nvcfg1
== FLASH_5752VENDOR_ST_M45PE20
)
11518 tp
->nvram_size
= (protect
?
11519 TG3_NVRAM_SIZE_64KB
:
11520 TG3_NVRAM_SIZE_256KB
);
11522 tp
->nvram_size
= (protect
?
11523 TG3_NVRAM_SIZE_128KB
:
11524 TG3_NVRAM_SIZE_512KB
);
11529 static void __devinit
tg3_get_5787_nvram_info(struct tg3
*tp
)
11533 nvcfg1
= tr32(NVRAM_CFG1
);
11535 switch (nvcfg1
& NVRAM_CFG1_5752VENDOR_MASK
) {
11536 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ
:
11537 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ
:
11538 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ
:
11539 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ
:
11540 tp
->nvram_jedecnum
= JEDEC_ATMEL
;
11541 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11542 tp
->nvram_pagesize
= ATMEL_AT24C512_CHIP_SIZE
;
11544 nvcfg1
&= ~NVRAM_CFG1_COMPAT_BYPASS
;
11545 tw32(NVRAM_CFG1
, nvcfg1
);
11547 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED
:
11548 case FLASH_5755VENDOR_ATMEL_FLASH_1
:
11549 case FLASH_5755VENDOR_ATMEL_FLASH_2
:
11550 case FLASH_5755VENDOR_ATMEL_FLASH_3
:
11551 tp
->nvram_jedecnum
= JEDEC_ATMEL
;
11552 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11553 tp
->tg3_flags2
|= TG3_FLG2_FLASH
;
11554 tp
->nvram_pagesize
= 264;
11556 case FLASH_5752VENDOR_ST_M45PE10
:
11557 case FLASH_5752VENDOR_ST_M45PE20
:
11558 case FLASH_5752VENDOR_ST_M45PE40
:
11559 tp
->nvram_jedecnum
= JEDEC_ST
;
11560 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11561 tp
->tg3_flags2
|= TG3_FLG2_FLASH
;
11562 tp
->nvram_pagesize
= 256;
11567 static void __devinit
tg3_get_5761_nvram_info(struct tg3
*tp
)
11569 u32 nvcfg1
, protect
= 0;
11571 nvcfg1
= tr32(NVRAM_CFG1
);
11573 /* NVRAM protection for TPM */
11574 if (nvcfg1
& (1 << 27)) {
11575 tp
->tg3_flags3
|= TG3_FLG3_PROTECTED_NVRAM
;
11579 nvcfg1
&= NVRAM_CFG1_5752VENDOR_MASK
;
11581 case FLASH_5761VENDOR_ATMEL_ADB021D
:
11582 case FLASH_5761VENDOR_ATMEL_ADB041D
:
11583 case FLASH_5761VENDOR_ATMEL_ADB081D
:
11584 case FLASH_5761VENDOR_ATMEL_ADB161D
:
11585 case FLASH_5761VENDOR_ATMEL_MDB021D
:
11586 case FLASH_5761VENDOR_ATMEL_MDB041D
:
11587 case FLASH_5761VENDOR_ATMEL_MDB081D
:
11588 case FLASH_5761VENDOR_ATMEL_MDB161D
:
11589 tp
->nvram_jedecnum
= JEDEC_ATMEL
;
11590 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11591 tp
->tg3_flags2
|= TG3_FLG2_FLASH
;
11592 tp
->tg3_flags3
|= TG3_FLG3_NO_NVRAM_ADDR_TRANS
;
11593 tp
->nvram_pagesize
= 256;
11595 case FLASH_5761VENDOR_ST_A_M45PE20
:
11596 case FLASH_5761VENDOR_ST_A_M45PE40
:
11597 case FLASH_5761VENDOR_ST_A_M45PE80
:
11598 case FLASH_5761VENDOR_ST_A_M45PE16
:
11599 case FLASH_5761VENDOR_ST_M_M45PE20
:
11600 case FLASH_5761VENDOR_ST_M_M45PE40
:
11601 case FLASH_5761VENDOR_ST_M_M45PE80
:
11602 case FLASH_5761VENDOR_ST_M_M45PE16
:
11603 tp
->nvram_jedecnum
= JEDEC_ST
;
11604 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11605 tp
->tg3_flags2
|= TG3_FLG2_FLASH
;
11606 tp
->nvram_pagesize
= 256;
11611 tp
->nvram_size
= tr32(NVRAM_ADDR_LOCKOUT
);
11614 case FLASH_5761VENDOR_ATMEL_ADB161D
:
11615 case FLASH_5761VENDOR_ATMEL_MDB161D
:
11616 case FLASH_5761VENDOR_ST_A_M45PE16
:
11617 case FLASH_5761VENDOR_ST_M_M45PE16
:
11618 tp
->nvram_size
= TG3_NVRAM_SIZE_2MB
;
11620 case FLASH_5761VENDOR_ATMEL_ADB081D
:
11621 case FLASH_5761VENDOR_ATMEL_MDB081D
:
11622 case FLASH_5761VENDOR_ST_A_M45PE80
:
11623 case FLASH_5761VENDOR_ST_M_M45PE80
:
11624 tp
->nvram_size
= TG3_NVRAM_SIZE_1MB
;
11626 case FLASH_5761VENDOR_ATMEL_ADB041D
:
11627 case FLASH_5761VENDOR_ATMEL_MDB041D
:
11628 case FLASH_5761VENDOR_ST_A_M45PE40
:
11629 case FLASH_5761VENDOR_ST_M_M45PE40
:
11630 tp
->nvram_size
= TG3_NVRAM_SIZE_512KB
;
11632 case FLASH_5761VENDOR_ATMEL_ADB021D
:
11633 case FLASH_5761VENDOR_ATMEL_MDB021D
:
11634 case FLASH_5761VENDOR_ST_A_M45PE20
:
11635 case FLASH_5761VENDOR_ST_M_M45PE20
:
11636 tp
->nvram_size
= TG3_NVRAM_SIZE_256KB
;
11642 static void __devinit
tg3_get_5906_nvram_info(struct tg3
*tp
)
11644 tp
->nvram_jedecnum
= JEDEC_ATMEL
;
11645 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11646 tp
->nvram_pagesize
= ATMEL_AT24C512_CHIP_SIZE
;
11649 static void __devinit
tg3_get_57780_nvram_info(struct tg3
*tp
)
11653 nvcfg1
= tr32(NVRAM_CFG1
);
11655 switch (nvcfg1
& NVRAM_CFG1_5752VENDOR_MASK
) {
11656 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ
:
11657 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ
:
11658 tp
->nvram_jedecnum
= JEDEC_ATMEL
;
11659 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11660 tp
->nvram_pagesize
= ATMEL_AT24C512_CHIP_SIZE
;
11662 nvcfg1
&= ~NVRAM_CFG1_COMPAT_BYPASS
;
11663 tw32(NVRAM_CFG1
, nvcfg1
);
11665 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED
:
11666 case FLASH_57780VENDOR_ATMEL_AT45DB011D
:
11667 case FLASH_57780VENDOR_ATMEL_AT45DB011B
:
11668 case FLASH_57780VENDOR_ATMEL_AT45DB021D
:
11669 case FLASH_57780VENDOR_ATMEL_AT45DB021B
:
11670 case FLASH_57780VENDOR_ATMEL_AT45DB041D
:
11671 case FLASH_57780VENDOR_ATMEL_AT45DB041B
:
11672 tp
->nvram_jedecnum
= JEDEC_ATMEL
;
11673 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11674 tp
->tg3_flags2
|= TG3_FLG2_FLASH
;
11676 switch (nvcfg1
& NVRAM_CFG1_5752VENDOR_MASK
) {
11677 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED
:
11678 case FLASH_57780VENDOR_ATMEL_AT45DB011D
:
11679 case FLASH_57780VENDOR_ATMEL_AT45DB011B
:
11680 tp
->nvram_size
= TG3_NVRAM_SIZE_128KB
;
11682 case FLASH_57780VENDOR_ATMEL_AT45DB021D
:
11683 case FLASH_57780VENDOR_ATMEL_AT45DB021B
:
11684 tp
->nvram_size
= TG3_NVRAM_SIZE_256KB
;
11686 case FLASH_57780VENDOR_ATMEL_AT45DB041D
:
11687 case FLASH_57780VENDOR_ATMEL_AT45DB041B
:
11688 tp
->nvram_size
= TG3_NVRAM_SIZE_512KB
;
11692 case FLASH_5752VENDOR_ST_M45PE10
:
11693 case FLASH_5752VENDOR_ST_M45PE20
:
11694 case FLASH_5752VENDOR_ST_M45PE40
:
11695 tp
->nvram_jedecnum
= JEDEC_ST
;
11696 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11697 tp
->tg3_flags2
|= TG3_FLG2_FLASH
;
11699 switch (nvcfg1
& NVRAM_CFG1_5752VENDOR_MASK
) {
11700 case FLASH_5752VENDOR_ST_M45PE10
:
11701 tp
->nvram_size
= TG3_NVRAM_SIZE_128KB
;
11703 case FLASH_5752VENDOR_ST_M45PE20
:
11704 tp
->nvram_size
= TG3_NVRAM_SIZE_256KB
;
11706 case FLASH_5752VENDOR_ST_M45PE40
:
11707 tp
->nvram_size
= TG3_NVRAM_SIZE_512KB
;
11712 tp
->tg3_flags3
|= TG3_FLG3_NO_NVRAM
;
11716 tg3_nvram_get_pagesize(tp
, nvcfg1
);
11717 if (tp
->nvram_pagesize
!= 264 && tp
->nvram_pagesize
!= 528)
11718 tp
->tg3_flags3
|= TG3_FLG3_NO_NVRAM_ADDR_TRANS
;
11722 static void __devinit
tg3_get_5717_nvram_info(struct tg3
*tp
)
11726 nvcfg1
= tr32(NVRAM_CFG1
);
11728 switch (nvcfg1
& NVRAM_CFG1_5752VENDOR_MASK
) {
11729 case FLASH_5717VENDOR_ATMEL_EEPROM
:
11730 case FLASH_5717VENDOR_MICRO_EEPROM
:
11731 tp
->nvram_jedecnum
= JEDEC_ATMEL
;
11732 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11733 tp
->nvram_pagesize
= ATMEL_AT24C512_CHIP_SIZE
;
11735 nvcfg1
&= ~NVRAM_CFG1_COMPAT_BYPASS
;
11736 tw32(NVRAM_CFG1
, nvcfg1
);
11738 case FLASH_5717VENDOR_ATMEL_MDB011D
:
11739 case FLASH_5717VENDOR_ATMEL_ADB011B
:
11740 case FLASH_5717VENDOR_ATMEL_ADB011D
:
11741 case FLASH_5717VENDOR_ATMEL_MDB021D
:
11742 case FLASH_5717VENDOR_ATMEL_ADB021B
:
11743 case FLASH_5717VENDOR_ATMEL_ADB021D
:
11744 case FLASH_5717VENDOR_ATMEL_45USPT
:
11745 tp
->nvram_jedecnum
= JEDEC_ATMEL
;
11746 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11747 tp
->tg3_flags2
|= TG3_FLG2_FLASH
;
11749 switch (nvcfg1
& NVRAM_CFG1_5752VENDOR_MASK
) {
11750 case FLASH_5717VENDOR_ATMEL_MDB021D
:
11751 case FLASH_5717VENDOR_ATMEL_ADB021B
:
11752 case FLASH_5717VENDOR_ATMEL_ADB021D
:
11753 tp
->nvram_size
= TG3_NVRAM_SIZE_256KB
;
11756 tp
->nvram_size
= TG3_NVRAM_SIZE_128KB
;
11760 case FLASH_5717VENDOR_ST_M_M25PE10
:
11761 case FLASH_5717VENDOR_ST_A_M25PE10
:
11762 case FLASH_5717VENDOR_ST_M_M45PE10
:
11763 case FLASH_5717VENDOR_ST_A_M45PE10
:
11764 case FLASH_5717VENDOR_ST_M_M25PE20
:
11765 case FLASH_5717VENDOR_ST_A_M25PE20
:
11766 case FLASH_5717VENDOR_ST_M_M45PE20
:
11767 case FLASH_5717VENDOR_ST_A_M45PE20
:
11768 case FLASH_5717VENDOR_ST_25USPT
:
11769 case FLASH_5717VENDOR_ST_45USPT
:
11770 tp
->nvram_jedecnum
= JEDEC_ST
;
11771 tp
->tg3_flags
|= TG3_FLAG_NVRAM_BUFFERED
;
11772 tp
->tg3_flags2
|= TG3_FLG2_FLASH
;
11774 switch (nvcfg1
& NVRAM_CFG1_5752VENDOR_MASK
) {
11775 case FLASH_5717VENDOR_ST_M_M25PE20
:
11776 case FLASH_5717VENDOR_ST_A_M25PE20
:
11777 case FLASH_5717VENDOR_ST_M_M45PE20
:
11778 case FLASH_5717VENDOR_ST_A_M45PE20
:
11779 tp
->nvram_size
= TG3_NVRAM_SIZE_256KB
;
11782 tp
->nvram_size
= TG3_NVRAM_SIZE_128KB
;
11787 tp
->tg3_flags3
|= TG3_FLG3_NO_NVRAM
;
11791 tg3_nvram_get_pagesize(tp
, nvcfg1
);
11792 if (tp
->nvram_pagesize
!= 264 && tp
->nvram_pagesize
!= 528)
11793 tp
->tg3_flags3
|= TG3_FLG3_NO_NVRAM_ADDR_TRANS
;
11796 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
11797 static void __devinit
tg3_nvram_init(struct tg3
*tp
)
11799 tw32_f(GRC_EEPROM_ADDR
,
11800 (EEPROM_ADDR_FSM_RESET
|
11801 (EEPROM_DEFAULT_CLOCK_PERIOD
<<
11802 EEPROM_ADDR_CLKPERD_SHIFT
)));
11806 /* Enable seeprom accesses. */
11807 tw32_f(GRC_LOCAL_CTRL
,
11808 tr32(GRC_LOCAL_CTRL
) | GRC_LCLCTRL_AUTO_SEEPROM
);
11811 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5700
&&
11812 GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5701
) {
11813 tp
->tg3_flags
|= TG3_FLAG_NVRAM
;
11815 if (tg3_nvram_lock(tp
)) {
11816 printk(KERN_WARNING PFX
"%s: Cannot get nvarm lock, "
11817 "tg3_nvram_init failed.\n", tp
->dev
->name
);
11820 tg3_enable_nvram_access(tp
);
11822 tp
->nvram_size
= 0;
11824 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5752
)
11825 tg3_get_5752_nvram_info(tp
);
11826 else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5755
)
11827 tg3_get_5755_nvram_info(tp
);
11828 else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5787
||
11829 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5784
||
11830 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5785
)
11831 tg3_get_5787_nvram_info(tp
);
11832 else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5761
)
11833 tg3_get_5761_nvram_info(tp
);
11834 else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
)
11835 tg3_get_5906_nvram_info(tp
);
11836 else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57780
||
11837 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
)
11838 tg3_get_57780_nvram_info(tp
);
11839 else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
)
11840 tg3_get_5717_nvram_info(tp
);
11842 tg3_get_nvram_info(tp
);
11844 if (tp
->nvram_size
== 0)
11845 tg3_get_nvram_size(tp
);
11847 tg3_disable_nvram_access(tp
);
11848 tg3_nvram_unlock(tp
);
11851 tp
->tg3_flags
&= ~(TG3_FLAG_NVRAM
| TG3_FLAG_NVRAM_BUFFERED
);
11853 tg3_get_eeprom_size(tp
);
11857 static int tg3_nvram_write_block_using_eeprom(struct tg3
*tp
,
11858 u32 offset
, u32 len
, u8
*buf
)
11863 for (i
= 0; i
< len
; i
+= 4) {
11869 memcpy(&data
, buf
+ i
, 4);
11872 * The SEEPROM interface expects the data to always be opposite
11873 * the native endian format. We accomplish this by reversing
11874 * all the operations that would have been performed on the
11875 * data from a call to tg3_nvram_read_be32().
11877 tw32(GRC_EEPROM_DATA
, swab32(be32_to_cpu(data
)));
11879 val
= tr32(GRC_EEPROM_ADDR
);
11880 tw32(GRC_EEPROM_ADDR
, val
| EEPROM_ADDR_COMPLETE
);
11882 val
&= ~(EEPROM_ADDR_ADDR_MASK
| EEPROM_ADDR_DEVID_MASK
|
11884 tw32(GRC_EEPROM_ADDR
, val
|
11885 (0 << EEPROM_ADDR_DEVID_SHIFT
) |
11886 (addr
& EEPROM_ADDR_ADDR_MASK
) |
11887 EEPROM_ADDR_START
|
11888 EEPROM_ADDR_WRITE
);
11890 for (j
= 0; j
< 1000; j
++) {
11891 val
= tr32(GRC_EEPROM_ADDR
);
11893 if (val
& EEPROM_ADDR_COMPLETE
)
11897 if (!(val
& EEPROM_ADDR_COMPLETE
)) {
11906 /* offset and length are dword aligned */
11907 static int tg3_nvram_write_block_unbuffered(struct tg3
*tp
, u32 offset
, u32 len
,
11911 u32 pagesize
= tp
->nvram_pagesize
;
11912 u32 pagemask
= pagesize
- 1;
11916 tmp
= kmalloc(pagesize
, GFP_KERNEL
);
11922 u32 phy_addr
, page_off
, size
;
11924 phy_addr
= offset
& ~pagemask
;
11926 for (j
= 0; j
< pagesize
; j
+= 4) {
11927 ret
= tg3_nvram_read_be32(tp
, phy_addr
+ j
,
11928 (__be32
*) (tmp
+ j
));
11935 page_off
= offset
& pagemask
;
11942 memcpy(tmp
+ page_off
, buf
, size
);
11944 offset
= offset
+ (pagesize
- page_off
);
11946 tg3_enable_nvram_access(tp
);
11949 * Before we can erase the flash page, we need
11950 * to issue a special "write enable" command.
11952 nvram_cmd
= NVRAM_CMD_WREN
| NVRAM_CMD_GO
| NVRAM_CMD_DONE
;
11954 if (tg3_nvram_exec_cmd(tp
, nvram_cmd
))
11957 /* Erase the target page */
11958 tw32(NVRAM_ADDR
, phy_addr
);
11960 nvram_cmd
= NVRAM_CMD_GO
| NVRAM_CMD_DONE
| NVRAM_CMD_WR
|
11961 NVRAM_CMD_FIRST
| NVRAM_CMD_LAST
| NVRAM_CMD_ERASE
;
11963 if (tg3_nvram_exec_cmd(tp
, nvram_cmd
))
11966 /* Issue another write enable to start the write. */
11967 nvram_cmd
= NVRAM_CMD_WREN
| NVRAM_CMD_GO
| NVRAM_CMD_DONE
;
11969 if (tg3_nvram_exec_cmd(tp
, nvram_cmd
))
11972 for (j
= 0; j
< pagesize
; j
+= 4) {
11975 data
= *((__be32
*) (tmp
+ j
));
11977 tw32(NVRAM_WRDATA
, be32_to_cpu(data
));
11979 tw32(NVRAM_ADDR
, phy_addr
+ j
);
11981 nvram_cmd
= NVRAM_CMD_GO
| NVRAM_CMD_DONE
|
11985 nvram_cmd
|= NVRAM_CMD_FIRST
;
11986 else if (j
== (pagesize
- 4))
11987 nvram_cmd
|= NVRAM_CMD_LAST
;
11989 if ((ret
= tg3_nvram_exec_cmd(tp
, nvram_cmd
)))
11996 nvram_cmd
= NVRAM_CMD_WRDI
| NVRAM_CMD_GO
| NVRAM_CMD_DONE
;
11997 tg3_nvram_exec_cmd(tp
, nvram_cmd
);
12004 /* offset and length are dword aligned */
12005 static int tg3_nvram_write_block_buffered(struct tg3
*tp
, u32 offset
, u32 len
,
12010 for (i
= 0; i
< len
; i
+= 4, offset
+= 4) {
12011 u32 page_off
, phy_addr
, nvram_cmd
;
12014 memcpy(&data
, buf
+ i
, 4);
12015 tw32(NVRAM_WRDATA
, be32_to_cpu(data
));
12017 page_off
= offset
% tp
->nvram_pagesize
;
12019 phy_addr
= tg3_nvram_phys_addr(tp
, offset
);
12021 tw32(NVRAM_ADDR
, phy_addr
);
12023 nvram_cmd
= NVRAM_CMD_GO
| NVRAM_CMD_DONE
| NVRAM_CMD_WR
;
12025 if ((page_off
== 0) || (i
== 0))
12026 nvram_cmd
|= NVRAM_CMD_FIRST
;
12027 if (page_off
== (tp
->nvram_pagesize
- 4))
12028 nvram_cmd
|= NVRAM_CMD_LAST
;
12030 if (i
== (len
- 4))
12031 nvram_cmd
|= NVRAM_CMD_LAST
;
12033 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5752
&&
12034 !(tp
->tg3_flags3
& TG3_FLG3_5755_PLUS
) &&
12035 (tp
->nvram_jedecnum
== JEDEC_ST
) &&
12036 (nvram_cmd
& NVRAM_CMD_FIRST
)) {
12038 if ((ret
= tg3_nvram_exec_cmd(tp
,
12039 NVRAM_CMD_WREN
| NVRAM_CMD_GO
|
12044 if (!(tp
->tg3_flags2
& TG3_FLG2_FLASH
)) {
12045 /* We always do complete word writes to eeprom. */
12046 nvram_cmd
|= (NVRAM_CMD_FIRST
| NVRAM_CMD_LAST
);
12049 if ((ret
= tg3_nvram_exec_cmd(tp
, nvram_cmd
)))
12055 /* offset and length are dword aligned */
12056 static int tg3_nvram_write_block(struct tg3
*tp
, u32 offset
, u32 len
, u8
*buf
)
12060 if (tp
->tg3_flags
& TG3_FLAG_EEPROM_WRITE_PROT
) {
12061 tw32_f(GRC_LOCAL_CTRL
, tp
->grc_local_ctrl
&
12062 ~GRC_LCLCTRL_GPIO_OUTPUT1
);
12066 if (!(tp
->tg3_flags
& TG3_FLAG_NVRAM
)) {
12067 ret
= tg3_nvram_write_block_using_eeprom(tp
, offset
, len
, buf
);
12072 ret
= tg3_nvram_lock(tp
);
12076 tg3_enable_nvram_access(tp
);
12077 if ((tp
->tg3_flags2
& TG3_FLG2_5750_PLUS
) &&
12078 !(tp
->tg3_flags3
& TG3_FLG3_PROTECTED_NVRAM
))
12079 tw32(NVRAM_WRITE1
, 0x406);
12081 grc_mode
= tr32(GRC_MODE
);
12082 tw32(GRC_MODE
, grc_mode
| GRC_MODE_NVRAM_WR_ENABLE
);
12084 if ((tp
->tg3_flags
& TG3_FLAG_NVRAM_BUFFERED
) ||
12085 !(tp
->tg3_flags2
& TG3_FLG2_FLASH
)) {
12087 ret
= tg3_nvram_write_block_buffered(tp
, offset
, len
,
12091 ret
= tg3_nvram_write_block_unbuffered(tp
, offset
, len
,
12095 grc_mode
= tr32(GRC_MODE
);
12096 tw32(GRC_MODE
, grc_mode
& ~GRC_MODE_NVRAM_WR_ENABLE
);
12098 tg3_disable_nvram_access(tp
);
12099 tg3_nvram_unlock(tp
);
12102 if (tp
->tg3_flags
& TG3_FLAG_EEPROM_WRITE_PROT
) {
12103 tw32_f(GRC_LOCAL_CTRL
, tp
->grc_local_ctrl
);
12110 struct subsys_tbl_ent
{
12111 u16 subsys_vendor
, subsys_devid
;
12115 static struct subsys_tbl_ent subsys_id_to_phy_id
[] = {
12116 /* Broadcom boards. */
12117 { PCI_VENDOR_ID_BROADCOM
, 0x1644, PHY_ID_BCM5401
}, /* BCM95700A6 */
12118 { PCI_VENDOR_ID_BROADCOM
, 0x0001, PHY_ID_BCM5701
}, /* BCM95701A5 */
12119 { PCI_VENDOR_ID_BROADCOM
, 0x0002, PHY_ID_BCM8002
}, /* BCM95700T6 */
12120 { PCI_VENDOR_ID_BROADCOM
, 0x0003, 0 }, /* BCM95700A9 */
12121 { PCI_VENDOR_ID_BROADCOM
, 0x0005, PHY_ID_BCM5701
}, /* BCM95701T1 */
12122 { PCI_VENDOR_ID_BROADCOM
, 0x0006, PHY_ID_BCM5701
}, /* BCM95701T8 */
12123 { PCI_VENDOR_ID_BROADCOM
, 0x0007, 0 }, /* BCM95701A7 */
12124 { PCI_VENDOR_ID_BROADCOM
, 0x0008, PHY_ID_BCM5701
}, /* BCM95701A10 */
12125 { PCI_VENDOR_ID_BROADCOM
, 0x8008, PHY_ID_BCM5701
}, /* BCM95701A12 */
12126 { PCI_VENDOR_ID_BROADCOM
, 0x0009, PHY_ID_BCM5703
}, /* BCM95703Ax1 */
12127 { PCI_VENDOR_ID_BROADCOM
, 0x8009, PHY_ID_BCM5703
}, /* BCM95703Ax2 */
12130 { PCI_VENDOR_ID_3COM
, 0x1000, PHY_ID_BCM5401
}, /* 3C996T */
12131 { PCI_VENDOR_ID_3COM
, 0x1006, PHY_ID_BCM5701
}, /* 3C996BT */
12132 { PCI_VENDOR_ID_3COM
, 0x1004, 0 }, /* 3C996SX */
12133 { PCI_VENDOR_ID_3COM
, 0x1007, PHY_ID_BCM5701
}, /* 3C1000T */
12134 { PCI_VENDOR_ID_3COM
, 0x1008, PHY_ID_BCM5701
}, /* 3C940BR01 */
12137 { PCI_VENDOR_ID_DELL
, 0x00d1, PHY_ID_BCM5401
}, /* VIPER */
12138 { PCI_VENDOR_ID_DELL
, 0x0106, PHY_ID_BCM5401
}, /* JAGUAR */
12139 { PCI_VENDOR_ID_DELL
, 0x0109, PHY_ID_BCM5411
}, /* MERLOT */
12140 { PCI_VENDOR_ID_DELL
, 0x010a, PHY_ID_BCM5411
}, /* SLIM_MERLOT */
12142 /* Compaq boards. */
12143 { PCI_VENDOR_ID_COMPAQ
, 0x007c, PHY_ID_BCM5701
}, /* BANSHEE */
12144 { PCI_VENDOR_ID_COMPAQ
, 0x009a, PHY_ID_BCM5701
}, /* BANSHEE_2 */
12145 { PCI_VENDOR_ID_COMPAQ
, 0x007d, 0 }, /* CHANGELING */
12146 { PCI_VENDOR_ID_COMPAQ
, 0x0085, PHY_ID_BCM5701
}, /* NC7780 */
12147 { PCI_VENDOR_ID_COMPAQ
, 0x0099, PHY_ID_BCM5701
}, /* NC7780_2 */
12150 { PCI_VENDOR_ID_IBM
, 0x0281, 0 } /* IBM??? */
12153 static inline struct subsys_tbl_ent
*lookup_by_subsys(struct tg3
*tp
)
12157 for (i
= 0; i
< ARRAY_SIZE(subsys_id_to_phy_id
); i
++) {
12158 if ((subsys_id_to_phy_id
[i
].subsys_vendor
==
12159 tp
->pdev
->subsystem_vendor
) &&
12160 (subsys_id_to_phy_id
[i
].subsys_devid
==
12161 tp
->pdev
->subsystem_device
))
12162 return &subsys_id_to_phy_id
[i
];
12167 static void __devinit
tg3_get_eeprom_hw_cfg(struct tg3
*tp
)
12172 /* On some early chips the SRAM cannot be accessed in D3hot state,
12173 * so need make sure we're in D0.
12175 pci_read_config_word(tp
->pdev
, tp
->pm_cap
+ PCI_PM_CTRL
, &pmcsr
);
12176 pmcsr
&= ~PCI_PM_CTRL_STATE_MASK
;
12177 pci_write_config_word(tp
->pdev
, tp
->pm_cap
+ PCI_PM_CTRL
, pmcsr
);
12180 /* Make sure register accesses (indirect or otherwise)
12181 * will function correctly.
12183 pci_write_config_dword(tp
->pdev
, TG3PCI_MISC_HOST_CTRL
,
12184 tp
->misc_host_ctrl
);
12186 /* The memory arbiter has to be enabled in order for SRAM accesses
12187 * to succeed. Normally on powerup the tg3 chip firmware will make
12188 * sure it is enabled, but other entities such as system netboot
12189 * code might disable it.
12191 val
= tr32(MEMARB_MODE
);
12192 tw32(MEMARB_MODE
, val
| MEMARB_MODE_ENABLE
);
12194 tp
->phy_id
= PHY_ID_INVALID
;
12195 tp
->led_ctrl
= LED_CTRL_MODE_PHY_1
;
12197 /* Assume an onboard device and WOL capable by default. */
12198 tp
->tg3_flags
|= TG3_FLAG_EEPROM_WRITE_PROT
| TG3_FLAG_WOL_CAP
;
12200 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
) {
12201 if (!(tr32(PCIE_TRANSACTION_CFG
) & PCIE_TRANS_CFG_LOM
)) {
12202 tp
->tg3_flags
&= ~TG3_FLAG_EEPROM_WRITE_PROT
;
12203 tp
->tg3_flags2
|= TG3_FLG2_IS_NIC
;
12205 val
= tr32(VCPU_CFGSHDW
);
12206 if (val
& VCPU_CFGSHDW_ASPM_DBNC
)
12207 tp
->tg3_flags
|= TG3_FLAG_ASPM_WORKAROUND
;
12208 if ((val
& VCPU_CFGSHDW_WOL_ENABLE
) &&
12209 (val
& VCPU_CFGSHDW_WOL_MAGPKT
))
12210 tp
->tg3_flags
|= TG3_FLAG_WOL_ENABLE
;
12214 tg3_read_mem(tp
, NIC_SRAM_DATA_SIG
, &val
);
12215 if (val
== NIC_SRAM_DATA_SIG_MAGIC
) {
12216 u32 nic_cfg
, led_cfg
;
12217 u32 nic_phy_id
, ver
, cfg2
= 0, cfg4
= 0, eeprom_phy_id
;
12218 int eeprom_phy_serdes
= 0;
12220 tg3_read_mem(tp
, NIC_SRAM_DATA_CFG
, &nic_cfg
);
12221 tp
->nic_sram_data_cfg
= nic_cfg
;
12223 tg3_read_mem(tp
, NIC_SRAM_DATA_VER
, &ver
);
12224 ver
>>= NIC_SRAM_DATA_VER_SHIFT
;
12225 if ((GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5700
) &&
12226 (GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5701
) &&
12227 (GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5703
) &&
12228 (ver
> 0) && (ver
< 0x100))
12229 tg3_read_mem(tp
, NIC_SRAM_DATA_CFG_2
, &cfg2
);
12231 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5785
)
12232 tg3_read_mem(tp
, NIC_SRAM_DATA_CFG_4
, &cfg4
);
12234 if ((nic_cfg
& NIC_SRAM_DATA_CFG_PHY_TYPE_MASK
) ==
12235 NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER
)
12236 eeprom_phy_serdes
= 1;
12238 tg3_read_mem(tp
, NIC_SRAM_DATA_PHY_ID
, &nic_phy_id
);
12239 if (nic_phy_id
!= 0) {
12240 u32 id1
= nic_phy_id
& NIC_SRAM_DATA_PHY_ID1_MASK
;
12241 u32 id2
= nic_phy_id
& NIC_SRAM_DATA_PHY_ID2_MASK
;
12243 eeprom_phy_id
= (id1
>> 16) << 10;
12244 eeprom_phy_id
|= (id2
& 0xfc00) << 16;
12245 eeprom_phy_id
|= (id2
& 0x03ff) << 0;
12249 tp
->phy_id
= eeprom_phy_id
;
12250 if (eeprom_phy_serdes
) {
12251 if ((tp
->tg3_flags2
& TG3_FLG2_5780_CLASS
) ||
12252 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
)
12253 tp
->tg3_flags2
|= TG3_FLG2_MII_SERDES
;
12255 tp
->tg3_flags2
|= TG3_FLG2_PHY_SERDES
;
12258 if (tp
->tg3_flags2
& TG3_FLG2_5750_PLUS
)
12259 led_cfg
= cfg2
& (NIC_SRAM_DATA_CFG_LED_MODE_MASK
|
12260 SHASTA_EXT_LED_MODE_MASK
);
12262 led_cfg
= nic_cfg
& NIC_SRAM_DATA_CFG_LED_MODE_MASK
;
12266 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1
:
12267 tp
->led_ctrl
= LED_CTRL_MODE_PHY_1
;
12270 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2
:
12271 tp
->led_ctrl
= LED_CTRL_MODE_PHY_2
;
12274 case NIC_SRAM_DATA_CFG_LED_MODE_MAC
:
12275 tp
->led_ctrl
= LED_CTRL_MODE_MAC
;
12277 /* Default to PHY_1_MODE if 0 (MAC_MODE) is
12278 * read on some older 5700/5701 bootcode.
12280 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) ==
12282 GET_ASIC_REV(tp
->pci_chip_rev_id
) ==
12284 tp
->led_ctrl
= LED_CTRL_MODE_PHY_1
;
12288 case SHASTA_EXT_LED_SHARED
:
12289 tp
->led_ctrl
= LED_CTRL_MODE_SHARED
;
12290 if (tp
->pci_chip_rev_id
!= CHIPREV_ID_5750_A0
&&
12291 tp
->pci_chip_rev_id
!= CHIPREV_ID_5750_A1
)
12292 tp
->led_ctrl
|= (LED_CTRL_MODE_PHY_1
|
12293 LED_CTRL_MODE_PHY_2
);
12296 case SHASTA_EXT_LED_MAC
:
12297 tp
->led_ctrl
= LED_CTRL_MODE_SHASTA_MAC
;
12300 case SHASTA_EXT_LED_COMBO
:
12301 tp
->led_ctrl
= LED_CTRL_MODE_COMBO
;
12302 if (tp
->pci_chip_rev_id
!= CHIPREV_ID_5750_A0
)
12303 tp
->led_ctrl
|= (LED_CTRL_MODE_PHY_1
|
12304 LED_CTRL_MODE_PHY_2
);
12309 if ((GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5700
||
12310 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5701
) &&
12311 tp
->pdev
->subsystem_vendor
== PCI_VENDOR_ID_DELL
)
12312 tp
->led_ctrl
= LED_CTRL_MODE_PHY_2
;
12314 if (GET_CHIP_REV(tp
->pci_chip_rev_id
) == CHIPREV_5784_AX
)
12315 tp
->led_ctrl
= LED_CTRL_MODE_PHY_1
;
12317 if (nic_cfg
& NIC_SRAM_DATA_CFG_EEPROM_WP
) {
12318 tp
->tg3_flags
|= TG3_FLAG_EEPROM_WRITE_PROT
;
12319 if ((tp
->pdev
->subsystem_vendor
==
12320 PCI_VENDOR_ID_ARIMA
) &&
12321 (tp
->pdev
->subsystem_device
== 0x205a ||
12322 tp
->pdev
->subsystem_device
== 0x2063))
12323 tp
->tg3_flags
&= ~TG3_FLAG_EEPROM_WRITE_PROT
;
12325 tp
->tg3_flags
&= ~TG3_FLAG_EEPROM_WRITE_PROT
;
12326 tp
->tg3_flags2
|= TG3_FLG2_IS_NIC
;
12329 if (nic_cfg
& NIC_SRAM_DATA_CFG_ASF_ENABLE
) {
12330 tp
->tg3_flags
|= TG3_FLAG_ENABLE_ASF
;
12331 if (tp
->tg3_flags2
& TG3_FLG2_5750_PLUS
)
12332 tp
->tg3_flags2
|= TG3_FLG2_ASF_NEW_HANDSHAKE
;
12335 if ((nic_cfg
& NIC_SRAM_DATA_CFG_APE_ENABLE
) &&
12336 (tp
->tg3_flags2
& TG3_FLG2_5750_PLUS
))
12337 tp
->tg3_flags3
|= TG3_FLG3_ENABLE_APE
;
12339 if (tp
->tg3_flags2
& TG3_FLG2_ANY_SERDES
&&
12340 !(nic_cfg
& NIC_SRAM_DATA_CFG_FIBER_WOL
))
12341 tp
->tg3_flags
&= ~TG3_FLAG_WOL_CAP
;
12343 if ((tp
->tg3_flags
& TG3_FLAG_WOL_CAP
) &&
12344 (nic_cfg
& NIC_SRAM_DATA_CFG_WOL_ENABLE
))
12345 tp
->tg3_flags
|= TG3_FLAG_WOL_ENABLE
;
12347 if (cfg2
& (1 << 17))
12348 tp
->tg3_flags2
|= TG3_FLG2_CAPACITIVE_COUPLING
;
12350 /* serdes signal pre-emphasis in register 0x590 set by */
12351 /* bootcode if bit 18 is set */
12352 if (cfg2
& (1 << 18))
12353 tp
->tg3_flags2
|= TG3_FLG2_SERDES_PREEMPHASIS
;
12355 if (((GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5784
&&
12356 GET_CHIP_REV(tp
->pci_chip_rev_id
) != CHIPREV_5784_AX
)) &&
12357 (cfg2
& NIC_SRAM_DATA_CFG_2_APD_EN
))
12358 tp
->tg3_flags3
|= TG3_FLG3_PHY_ENABLE_APD
;
12360 if (tp
->tg3_flags2
& TG3_FLG2_PCI_EXPRESS
) {
12363 tg3_read_mem(tp
, NIC_SRAM_DATA_CFG_3
, &cfg3
);
12364 if (cfg3
& NIC_SRAM_ASPM_DEBOUNCE
)
12365 tp
->tg3_flags
|= TG3_FLAG_ASPM_WORKAROUND
;
12368 if (cfg4
& NIC_SRAM_RGMII_STD_IBND_DISABLE
)
12369 tp
->tg3_flags3
|= TG3_FLG3_RGMII_STD_IBND_DISABLE
;
12370 if (cfg4
& NIC_SRAM_RGMII_EXT_IBND_RX_EN
)
12371 tp
->tg3_flags3
|= TG3_FLG3_RGMII_EXT_IBND_RX_EN
;
12372 if (cfg4
& NIC_SRAM_RGMII_EXT_IBND_TX_EN
)
12373 tp
->tg3_flags3
|= TG3_FLG3_RGMII_EXT_IBND_TX_EN
;
12376 device_init_wakeup(&tp
->pdev
->dev
, tp
->tg3_flags
& TG3_FLAG_WOL_CAP
);
12377 device_set_wakeup_enable(&tp
->pdev
->dev
,
12378 tp
->tg3_flags
& TG3_FLAG_WOL_ENABLE
);
12381 static int __devinit
tg3_issue_otp_command(struct tg3
*tp
, u32 cmd
)
12386 tw32(OTP_CTRL
, cmd
| OTP_CTRL_OTP_CMD_START
);
12387 tw32(OTP_CTRL
, cmd
);
12389 /* Wait for up to 1 ms for command to execute. */
12390 for (i
= 0; i
< 100; i
++) {
12391 val
= tr32(OTP_STATUS
);
12392 if (val
& OTP_STATUS_CMD_DONE
)
12397 return (val
& OTP_STATUS_CMD_DONE
) ? 0 : -EBUSY
;
12400 /* Read the gphy configuration from the OTP region of the chip. The gphy
12401 * configuration is a 32-bit value that straddles the alignment boundary.
12402 * We do two 32-bit reads and then shift and merge the results.
12404 static u32 __devinit
tg3_read_otp_phycfg(struct tg3
*tp
)
12406 u32 bhalf_otp
, thalf_otp
;
12408 tw32(OTP_MODE
, OTP_MODE_OTP_THRU_GRC
);
12410 if (tg3_issue_otp_command(tp
, OTP_CTRL_OTP_CMD_INIT
))
12413 tw32(OTP_ADDRESS
, OTP_ADDRESS_MAGIC1
);
12415 if (tg3_issue_otp_command(tp
, OTP_CTRL_OTP_CMD_READ
))
12418 thalf_otp
= tr32(OTP_READ_DATA
);
12420 tw32(OTP_ADDRESS
, OTP_ADDRESS_MAGIC2
);
12422 if (tg3_issue_otp_command(tp
, OTP_CTRL_OTP_CMD_READ
))
12425 bhalf_otp
= tr32(OTP_READ_DATA
);
12427 return ((thalf_otp
& 0x0000ffff) << 16) | (bhalf_otp
>> 16);
12430 static int __devinit
tg3_phy_probe(struct tg3
*tp
)
12432 u32 hw_phy_id_1
, hw_phy_id_2
;
12433 u32 hw_phy_id
, hw_phy_id_masked
;
12436 if (tp
->tg3_flags3
& TG3_FLG3_USE_PHYLIB
)
12437 return tg3_phy_init(tp
);
12439 /* Reading the PHY ID register can conflict with ASF
12440 * firmware access to the PHY hardware.
12443 if ((tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
) ||
12444 (tp
->tg3_flags3
& TG3_FLG3_ENABLE_APE
)) {
12445 hw_phy_id
= hw_phy_id_masked
= PHY_ID_INVALID
;
12447 /* Now read the physical PHY_ID from the chip and verify
12448 * that it is sane. If it doesn't look good, we fall back
12449 * to either the hard-coded table based PHY_ID and failing
12450 * that the value found in the eeprom area.
12452 err
|= tg3_readphy(tp
, MII_PHYSID1
, &hw_phy_id_1
);
12453 err
|= tg3_readphy(tp
, MII_PHYSID2
, &hw_phy_id_2
);
12455 hw_phy_id
= (hw_phy_id_1
& 0xffff) << 10;
12456 hw_phy_id
|= (hw_phy_id_2
& 0xfc00) << 16;
12457 hw_phy_id
|= (hw_phy_id_2
& 0x03ff) << 0;
12459 hw_phy_id_masked
= hw_phy_id
& PHY_ID_MASK
;
12462 if (!err
&& KNOWN_PHY_ID(hw_phy_id_masked
)) {
12463 tp
->phy_id
= hw_phy_id
;
12464 if (hw_phy_id_masked
== PHY_ID_BCM8002
)
12465 tp
->tg3_flags2
|= TG3_FLG2_PHY_SERDES
;
12467 tp
->tg3_flags2
&= ~TG3_FLG2_PHY_SERDES
;
12469 if (tp
->phy_id
!= PHY_ID_INVALID
) {
12470 /* Do nothing, phy ID already set up in
12471 * tg3_get_eeprom_hw_cfg().
12474 struct subsys_tbl_ent
*p
;
12476 /* No eeprom signature? Try the hardcoded
12477 * subsys device table.
12479 p
= lookup_by_subsys(tp
);
12483 tp
->phy_id
= p
->phy_id
;
12485 tp
->phy_id
== PHY_ID_BCM8002
)
12486 tp
->tg3_flags2
|= TG3_FLG2_PHY_SERDES
;
12490 if (!(tp
->tg3_flags2
& TG3_FLG2_ANY_SERDES
) &&
12491 !(tp
->tg3_flags3
& TG3_FLG3_ENABLE_APE
) &&
12492 !(tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
)) {
12493 u32 bmsr
, adv_reg
, tg3_ctrl
, mask
;
12495 tg3_readphy(tp
, MII_BMSR
, &bmsr
);
12496 if (!tg3_readphy(tp
, MII_BMSR
, &bmsr
) &&
12497 (bmsr
& BMSR_LSTATUS
))
12498 goto skip_phy_reset
;
12500 err
= tg3_phy_reset(tp
);
12504 adv_reg
= (ADVERTISE_10HALF
| ADVERTISE_10FULL
|
12505 ADVERTISE_100HALF
| ADVERTISE_100FULL
|
12506 ADVERTISE_CSMA
| ADVERTISE_PAUSE_CAP
);
12508 if (!(tp
->tg3_flags
& TG3_FLAG_10_100_ONLY
)) {
12509 tg3_ctrl
= (MII_TG3_CTRL_ADV_1000_HALF
|
12510 MII_TG3_CTRL_ADV_1000_FULL
);
12511 if (tp
->pci_chip_rev_id
== CHIPREV_ID_5701_A0
||
12512 tp
->pci_chip_rev_id
== CHIPREV_ID_5701_B0
)
12513 tg3_ctrl
|= (MII_TG3_CTRL_AS_MASTER
|
12514 MII_TG3_CTRL_ENABLE_AS_MASTER
);
12517 mask
= (ADVERTISED_10baseT_Half
| ADVERTISED_10baseT_Full
|
12518 ADVERTISED_100baseT_Half
| ADVERTISED_100baseT_Full
|
12519 ADVERTISED_1000baseT_Half
| ADVERTISED_1000baseT_Full
);
12520 if (!tg3_copper_is_advertising_all(tp
, mask
)) {
12521 tg3_writephy(tp
, MII_ADVERTISE
, adv_reg
);
12523 if (!(tp
->tg3_flags
& TG3_FLAG_10_100_ONLY
))
12524 tg3_writephy(tp
, MII_TG3_CTRL
, tg3_ctrl
);
12526 tg3_writephy(tp
, MII_BMCR
,
12527 BMCR_ANENABLE
| BMCR_ANRESTART
);
12529 tg3_phy_set_wirespeed(tp
);
12531 tg3_writephy(tp
, MII_ADVERTISE
, adv_reg
);
12532 if (!(tp
->tg3_flags
& TG3_FLAG_10_100_ONLY
))
12533 tg3_writephy(tp
, MII_TG3_CTRL
, tg3_ctrl
);
12537 if ((tp
->phy_id
& PHY_ID_MASK
) == PHY_ID_BCM5401
) {
12538 err
= tg3_init_5401phy_dsp(tp
);
12543 if (!err
&& ((tp
->phy_id
& PHY_ID_MASK
) == PHY_ID_BCM5401
)) {
12544 err
= tg3_init_5401phy_dsp(tp
);
12547 if (tp
->tg3_flags2
& TG3_FLG2_ANY_SERDES
)
12548 tp
->link_config
.advertising
=
12549 (ADVERTISED_1000baseT_Half
|
12550 ADVERTISED_1000baseT_Full
|
12551 ADVERTISED_Autoneg
|
12553 if (tp
->tg3_flags
& TG3_FLAG_10_100_ONLY
)
12554 tp
->link_config
.advertising
&=
12555 ~(ADVERTISED_1000baseT_Half
|
12556 ADVERTISED_1000baseT_Full
);
12561 static void __devinit
tg3_read_partno(struct tg3
*tp
)
12563 unsigned char vpd_data
[TG3_NVM_VPD_LEN
]; /* in little-endian format */
12567 if ((tp
->tg3_flags3
& TG3_FLG3_NO_NVRAM
) ||
12568 tg3_nvram_read(tp
, 0x0, &magic
))
12569 goto out_not_found
;
12571 if (magic
== TG3_EEPROM_MAGIC
) {
12572 for (i
= 0; i
< TG3_NVM_VPD_LEN
; i
+= 4) {
12575 /* The data is in little-endian format in NVRAM.
12576 * Use the big-endian read routines to preserve
12577 * the byte order as it exists in NVRAM.
12579 if (tg3_nvram_read_be32(tp
, TG3_NVM_VPD_OFF
+ i
, &tmp
))
12580 goto out_not_found
;
12582 memcpy(&vpd_data
[i
], &tmp
, sizeof(tmp
));
12586 unsigned int pos
= 0, i
= 0;
12588 for (; pos
< TG3_NVM_VPD_LEN
&& i
< 3; i
++, pos
+= cnt
) {
12589 cnt
= pci_read_vpd(tp
->pdev
, pos
,
12590 TG3_NVM_VPD_LEN
- pos
,
12592 if (cnt
== -ETIMEDOUT
|| -EINTR
)
12595 goto out_not_found
;
12597 if (pos
!= TG3_NVM_VPD_LEN
)
12598 goto out_not_found
;
12601 /* Now parse and find the part number. */
12602 for (i
= 0; i
< TG3_NVM_VPD_LEN
- 2; ) {
12603 unsigned char val
= vpd_data
[i
];
12604 unsigned int block_end
;
12606 if (val
== 0x82 || val
== 0x91) {
12609 (vpd_data
[i
+ 2] << 8)));
12614 goto out_not_found
;
12616 block_end
= (i
+ 3 +
12618 (vpd_data
[i
+ 2] << 8)));
12621 if (block_end
> TG3_NVM_VPD_LEN
)
12622 goto out_not_found
;
12624 while (i
< (block_end
- 2)) {
12625 if (vpd_data
[i
+ 0] == 'P' &&
12626 vpd_data
[i
+ 1] == 'N') {
12627 int partno_len
= vpd_data
[i
+ 2];
12630 if (partno_len
> TG3_BPN_SIZE
||
12631 (partno_len
+ i
) > TG3_NVM_VPD_LEN
)
12632 goto out_not_found
;
12634 memcpy(tp
->board_part_number
,
12635 &vpd_data
[i
], partno_len
);
12640 i
+= 3 + vpd_data
[i
+ 2];
12643 /* Part number not found. */
12644 goto out_not_found
;
12648 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
)
12649 strcpy(tp
->board_part_number
, "BCM95906");
12650 else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57780
&&
12651 tp
->pdev
->device
== TG3PCI_DEVICE_TIGON3_57780
)
12652 strcpy(tp
->board_part_number
, "BCM57780");
12653 else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57780
&&
12654 tp
->pdev
->device
== TG3PCI_DEVICE_TIGON3_57760
)
12655 strcpy(tp
->board_part_number
, "BCM57760");
12656 else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57780
&&
12657 tp
->pdev
->device
== TG3PCI_DEVICE_TIGON3_57790
)
12658 strcpy(tp
->board_part_number
, "BCM57790");
12659 else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57780
&&
12660 tp
->pdev
->device
== TG3PCI_DEVICE_TIGON3_57788
)
12661 strcpy(tp
->board_part_number
, "BCM57788");
12662 else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
)
12663 strcpy(tp
->board_part_number
, "BCM57765");
12665 strcpy(tp
->board_part_number
, "none");
12668 static int __devinit
tg3_fw_img_is_valid(struct tg3
*tp
, u32 offset
)
12672 if (tg3_nvram_read(tp
, offset
, &val
) ||
12673 (val
& 0xfc000000) != 0x0c000000 ||
12674 tg3_nvram_read(tp
, offset
+ 4, &val
) ||
12681 static void __devinit
tg3_read_bc_ver(struct tg3
*tp
)
12683 u32 val
, offset
, start
, ver_offset
;
12685 bool newver
= false;
12687 if (tg3_nvram_read(tp
, 0xc, &offset
) ||
12688 tg3_nvram_read(tp
, 0x4, &start
))
12691 offset
= tg3_nvram_logical_addr(tp
, offset
);
12693 if (tg3_nvram_read(tp
, offset
, &val
))
12696 if ((val
& 0xfc000000) == 0x0c000000) {
12697 if (tg3_nvram_read(tp
, offset
+ 4, &val
))
12705 if (tg3_nvram_read(tp
, offset
+ 8, &ver_offset
))
12708 offset
= offset
+ ver_offset
- start
;
12709 for (i
= 0; i
< 16; i
+= 4) {
12711 if (tg3_nvram_read_be32(tp
, offset
+ i
, &v
))
12714 memcpy(tp
->fw_ver
+ i
, &v
, sizeof(v
));
12719 if (tg3_nvram_read(tp
, TG3_NVM_PTREV_BCVER
, &ver_offset
))
12722 major
= (ver_offset
& TG3_NVM_BCVER_MAJMSK
) >>
12723 TG3_NVM_BCVER_MAJSFT
;
12724 minor
= ver_offset
& TG3_NVM_BCVER_MINMSK
;
12725 snprintf(&tp
->fw_ver
[0], 32, "v%d.%02d", major
, minor
);
12729 static void __devinit
tg3_read_hwsb_ver(struct tg3
*tp
)
12731 u32 val
, major
, minor
;
12733 /* Use native endian representation */
12734 if (tg3_nvram_read(tp
, TG3_NVM_HWSB_CFG1
, &val
))
12737 major
= (val
& TG3_NVM_HWSB_CFG1_MAJMSK
) >>
12738 TG3_NVM_HWSB_CFG1_MAJSFT
;
12739 minor
= (val
& TG3_NVM_HWSB_CFG1_MINMSK
) >>
12740 TG3_NVM_HWSB_CFG1_MINSFT
;
12742 snprintf(&tp
->fw_ver
[0], 32, "sb v%d.%02d", major
, minor
);
12745 static void __devinit
tg3_read_sb_ver(struct tg3
*tp
, u32 val
)
12747 u32 offset
, major
, minor
, build
;
12749 tp
->fw_ver
[0] = 's';
12750 tp
->fw_ver
[1] = 'b';
12751 tp
->fw_ver
[2] = '\0';
12753 if ((val
& TG3_EEPROM_SB_FORMAT_MASK
) != TG3_EEPROM_SB_FORMAT_1
)
12756 switch (val
& TG3_EEPROM_SB_REVISION_MASK
) {
12757 case TG3_EEPROM_SB_REVISION_0
:
12758 offset
= TG3_EEPROM_SB_F1R0_EDH_OFF
;
12760 case TG3_EEPROM_SB_REVISION_2
:
12761 offset
= TG3_EEPROM_SB_F1R2_EDH_OFF
;
12763 case TG3_EEPROM_SB_REVISION_3
:
12764 offset
= TG3_EEPROM_SB_F1R3_EDH_OFF
;
12766 case TG3_EEPROM_SB_REVISION_4
:
12767 offset
= TG3_EEPROM_SB_F1R4_EDH_OFF
;
12769 case TG3_EEPROM_SB_REVISION_5
:
12770 offset
= TG3_EEPROM_SB_F1R5_EDH_OFF
;
12776 if (tg3_nvram_read(tp
, offset
, &val
))
12779 build
= (val
& TG3_EEPROM_SB_EDH_BLD_MASK
) >>
12780 TG3_EEPROM_SB_EDH_BLD_SHFT
;
12781 major
= (val
& TG3_EEPROM_SB_EDH_MAJ_MASK
) >>
12782 TG3_EEPROM_SB_EDH_MAJ_SHFT
;
12783 minor
= val
& TG3_EEPROM_SB_EDH_MIN_MASK
;
12785 if (minor
> 99 || build
> 26)
12788 snprintf(&tp
->fw_ver
[2], 30, " v%d.%02d", major
, minor
);
12791 tp
->fw_ver
[8] = 'a' + build
- 1;
12792 tp
->fw_ver
[9] = '\0';
12796 static void __devinit
tg3_read_mgmtfw_ver(struct tg3
*tp
)
12798 u32 val
, offset
, start
;
12801 for (offset
= TG3_NVM_DIR_START
;
12802 offset
< TG3_NVM_DIR_END
;
12803 offset
+= TG3_NVM_DIRENT_SIZE
) {
12804 if (tg3_nvram_read(tp
, offset
, &val
))
12807 if ((val
>> TG3_NVM_DIRTYPE_SHIFT
) == TG3_NVM_DIRTYPE_ASFINI
)
12811 if (offset
== TG3_NVM_DIR_END
)
12814 if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
))
12815 start
= 0x08000000;
12816 else if (tg3_nvram_read(tp
, offset
- 4, &start
))
12819 if (tg3_nvram_read(tp
, offset
+ 4, &offset
) ||
12820 !tg3_fw_img_is_valid(tp
, offset
) ||
12821 tg3_nvram_read(tp
, offset
+ 8, &val
))
12824 offset
+= val
- start
;
12826 vlen
= strlen(tp
->fw_ver
);
12828 tp
->fw_ver
[vlen
++] = ',';
12829 tp
->fw_ver
[vlen
++] = ' ';
12831 for (i
= 0; i
< 4; i
++) {
12833 if (tg3_nvram_read_be32(tp
, offset
, &v
))
12836 offset
+= sizeof(v
);
12838 if (vlen
> TG3_VER_SIZE
- sizeof(v
)) {
12839 memcpy(&tp
->fw_ver
[vlen
], &v
, TG3_VER_SIZE
- vlen
);
12843 memcpy(&tp
->fw_ver
[vlen
], &v
, sizeof(v
));
12848 static void __devinit
tg3_read_dash_ver(struct tg3
*tp
)
12853 if (!(tp
->tg3_flags3
& TG3_FLG3_ENABLE_APE
) ||
12854 !(tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
))
12857 apedata
= tg3_ape_read32(tp
, TG3_APE_SEG_SIG
);
12858 if (apedata
!= APE_SEG_SIG_MAGIC
)
12861 apedata
= tg3_ape_read32(tp
, TG3_APE_FW_STATUS
);
12862 if (!(apedata
& APE_FW_STATUS_READY
))
12865 apedata
= tg3_ape_read32(tp
, TG3_APE_FW_VERSION
);
12867 vlen
= strlen(tp
->fw_ver
);
12869 snprintf(&tp
->fw_ver
[vlen
], TG3_VER_SIZE
- vlen
, " DASH v%d.%d.%d.%d",
12870 (apedata
& APE_FW_VERSION_MAJMSK
) >> APE_FW_VERSION_MAJSFT
,
12871 (apedata
& APE_FW_VERSION_MINMSK
) >> APE_FW_VERSION_MINSFT
,
12872 (apedata
& APE_FW_VERSION_REVMSK
) >> APE_FW_VERSION_REVSFT
,
12873 (apedata
& APE_FW_VERSION_BLDMSK
));
12876 static void __devinit
tg3_read_fw_ver(struct tg3
*tp
)
12880 if (tp
->tg3_flags3
& TG3_FLG3_NO_NVRAM
) {
12881 tp
->fw_ver
[0] = 's';
12882 tp
->fw_ver
[1] = 'b';
12883 tp
->fw_ver
[2] = '\0';
12888 if (tg3_nvram_read(tp
, 0, &val
))
12891 if (val
== TG3_EEPROM_MAGIC
)
12892 tg3_read_bc_ver(tp
);
12893 else if ((val
& TG3_EEPROM_MAGIC_FW_MSK
) == TG3_EEPROM_MAGIC_FW
)
12894 tg3_read_sb_ver(tp
, val
);
12895 else if ((val
& TG3_EEPROM_MAGIC_HW_MSK
) == TG3_EEPROM_MAGIC_HW
)
12896 tg3_read_hwsb_ver(tp
);
12900 if (!(tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
) ||
12901 (tp
->tg3_flags3
& TG3_FLG3_ENABLE_APE
))
12904 tg3_read_mgmtfw_ver(tp
);
12906 tp
->fw_ver
[TG3_VER_SIZE
- 1] = 0;
12909 static struct pci_dev
* __devinit
tg3_find_peer(struct tg3
*);
12911 static int __devinit
tg3_get_invariants(struct tg3
*tp
)
12913 static struct pci_device_id write_reorder_chipsets
[] = {
12914 { PCI_DEVICE(PCI_VENDOR_ID_AMD
,
12915 PCI_DEVICE_ID_AMD_FE_GATE_700C
) },
12916 { PCI_DEVICE(PCI_VENDOR_ID_AMD
,
12917 PCI_DEVICE_ID_AMD_8131_BRIDGE
) },
12918 { PCI_DEVICE(PCI_VENDOR_ID_VIA
,
12919 PCI_DEVICE_ID_VIA_8385_0
) },
12923 u32 pci_state_reg
, grc_misc_cfg
;
12928 /* Force memory write invalidate off. If we leave it on,
12929 * then on 5700_BX chips we have to enable a workaround.
12930 * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
12931 * to match the cacheline size. The Broadcom driver have this
12932 * workaround but turns MWI off all the times so never uses
12933 * it. This seems to suggest that the workaround is insufficient.
12935 pci_read_config_word(tp
->pdev
, PCI_COMMAND
, &pci_cmd
);
12936 pci_cmd
&= ~PCI_COMMAND_INVALIDATE
;
12937 pci_write_config_word(tp
->pdev
, PCI_COMMAND
, pci_cmd
);
12939 /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
12940 * has the register indirect write enable bit set before
12941 * we try to access any of the MMIO registers. It is also
12942 * critical that the PCI-X hw workaround situation is decided
12943 * before that as well.
12945 pci_read_config_dword(tp
->pdev
, TG3PCI_MISC_HOST_CTRL
,
12948 tp
->pci_chip_rev_id
= (misc_ctrl_reg
>>
12949 MISC_HOST_CTRL_CHIPREV_SHIFT
);
12950 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_USE_PROD_ID_REG
) {
12951 u32 prod_id_asic_rev
;
12953 if (tp
->pdev
->device
== TG3PCI_DEVICE_TIGON3_5717
||
12954 tp
->pdev
->device
== TG3PCI_DEVICE_TIGON3_5718
||
12955 tp
->pdev
->device
== TG3PCI_DEVICE_TIGON3_5724
)
12956 pci_read_config_dword(tp
->pdev
,
12957 TG3PCI_GEN2_PRODID_ASICREV
,
12958 &prod_id_asic_rev
);
12959 else if (tp
->pdev
->device
== TG3PCI_DEVICE_TIGON3_57781
||
12960 tp
->pdev
->device
== TG3PCI_DEVICE_TIGON3_57785
||
12961 tp
->pdev
->device
== TG3PCI_DEVICE_TIGON3_57761
||
12962 tp
->pdev
->device
== TG3PCI_DEVICE_TIGON3_57765
||
12963 tp
->pdev
->device
== TG3PCI_DEVICE_TIGON3_57791
||
12964 tp
->pdev
->device
== TG3PCI_DEVICE_TIGON3_57795
)
12965 pci_read_config_dword(tp
->pdev
,
12966 TG3PCI_GEN15_PRODID_ASICREV
,
12967 &prod_id_asic_rev
);
12969 pci_read_config_dword(tp
->pdev
, TG3PCI_PRODID_ASICREV
,
12970 &prod_id_asic_rev
);
12972 tp
->pci_chip_rev_id
= prod_id_asic_rev
;
12975 /* Wrong chip ID in 5752 A0. This code can be removed later
12976 * as A0 is not in production.
12978 if (tp
->pci_chip_rev_id
== CHIPREV_ID_5752_A0_HW
)
12979 tp
->pci_chip_rev_id
= CHIPREV_ID_5752_A0
;
12981 /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
12982 * we need to disable memory and use config. cycles
12983 * only to access all registers. The 5702/03 chips
12984 * can mistakenly decode the special cycles from the
12985 * ICH chipsets as memory write cycles, causing corruption
12986 * of register and memory space. Only certain ICH bridges
12987 * will drive special cycles with non-zero data during the
12988 * address phase which can fall within the 5703's address
12989 * range. This is not an ICH bug as the PCI spec allows
12990 * non-zero address during special cycles. However, only
12991 * these ICH bridges are known to drive non-zero addresses
12992 * during special cycles.
12994 * Since special cycles do not cross PCI bridges, we only
12995 * enable this workaround if the 5703 is on the secondary
12996 * bus of these ICH bridges.
12998 if ((tp
->pci_chip_rev_id
== CHIPREV_ID_5703_A1
) ||
12999 (tp
->pci_chip_rev_id
== CHIPREV_ID_5703_A2
)) {
13000 static struct tg3_dev_id
{
13004 } ich_chipsets
[] = {
13005 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82801AA_8
,
13007 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82801AB_8
,
13009 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82801BA_11
,
13011 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82801BA_6
,
13015 struct tg3_dev_id
*pci_id
= &ich_chipsets
[0];
13016 struct pci_dev
*bridge
= NULL
;
13018 while (pci_id
->vendor
!= 0) {
13019 bridge
= pci_get_device(pci_id
->vendor
, pci_id
->device
,
13025 if (pci_id
->rev
!= PCI_ANY_ID
) {
13026 if (bridge
->revision
> pci_id
->rev
)
13029 if (bridge
->subordinate
&&
13030 (bridge
->subordinate
->number
==
13031 tp
->pdev
->bus
->number
)) {
13033 tp
->tg3_flags2
|= TG3_FLG2_ICH_WORKAROUND
;
13034 pci_dev_put(bridge
);
13040 if ((GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5701
)) {
13041 static struct tg3_dev_id
{
13044 } bridge_chipsets
[] = {
13045 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_PXH_0
},
13046 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_PXH_1
},
13049 struct tg3_dev_id
*pci_id
= &bridge_chipsets
[0];
13050 struct pci_dev
*bridge
= NULL
;
13052 while (pci_id
->vendor
!= 0) {
13053 bridge
= pci_get_device(pci_id
->vendor
,
13060 if (bridge
->subordinate
&&
13061 (bridge
->subordinate
->number
<=
13062 tp
->pdev
->bus
->number
) &&
13063 (bridge
->subordinate
->subordinate
>=
13064 tp
->pdev
->bus
->number
)) {
13065 tp
->tg3_flags3
|= TG3_FLG3_5701_DMA_BUG
;
13066 pci_dev_put(bridge
);
13072 /* The EPB bridge inside 5714, 5715, and 5780 cannot support
13073 * DMA addresses > 40-bit. This bridge may have other additional
13074 * 57xx devices behind it in some 4-port NIC designs for example.
13075 * Any tg3 device found behind the bridge will also need the 40-bit
13078 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5780
||
13079 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5714
) {
13080 tp
->tg3_flags2
|= TG3_FLG2_5780_CLASS
;
13081 tp
->tg3_flags
|= TG3_FLAG_40BIT_DMA_BUG
;
13082 tp
->msi_cap
= pci_find_capability(tp
->pdev
, PCI_CAP_ID_MSI
);
13085 struct pci_dev
*bridge
= NULL
;
13088 bridge
= pci_get_device(PCI_VENDOR_ID_SERVERWORKS
,
13089 PCI_DEVICE_ID_SERVERWORKS_EPB
,
13091 if (bridge
&& bridge
->subordinate
&&
13092 (bridge
->subordinate
->number
<=
13093 tp
->pdev
->bus
->number
) &&
13094 (bridge
->subordinate
->subordinate
>=
13095 tp
->pdev
->bus
->number
)) {
13096 tp
->tg3_flags
|= TG3_FLAG_40BIT_DMA_BUG
;
13097 pci_dev_put(bridge
);
13103 /* Initialize misc host control in PCI block. */
13104 tp
->misc_host_ctrl
|= (misc_ctrl_reg
&
13105 MISC_HOST_CTRL_CHIPREV
);
13106 pci_write_config_dword(tp
->pdev
, TG3PCI_MISC_HOST_CTRL
,
13107 tp
->misc_host_ctrl
);
13109 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5704
||
13110 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5714
||
13111 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
)
13112 tp
->pdev_peer
= tg3_find_peer(tp
);
13114 /* Intentionally exclude ASIC_REV_5906 */
13115 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5755
||
13116 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5787
||
13117 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5784
||
13118 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5761
||
13119 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5785
||
13120 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57780
||
13121 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
||
13122 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
)
13123 tp
->tg3_flags3
|= TG3_FLG3_5755_PLUS
;
13125 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5750
||
13126 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5752
||
13127 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
||
13128 (tp
->tg3_flags3
& TG3_FLG3_5755_PLUS
) ||
13129 (tp
->tg3_flags2
& TG3_FLG2_5780_CLASS
))
13130 tp
->tg3_flags2
|= TG3_FLG2_5750_PLUS
;
13132 if ((GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5705
) ||
13133 (tp
->tg3_flags2
& TG3_FLG2_5750_PLUS
))
13134 tp
->tg3_flags2
|= TG3_FLG2_5705_PLUS
;
13136 /* 5700 B0 chips do not support checksumming correctly due
13137 * to hardware bugs.
13139 if (tp
->pci_chip_rev_id
== CHIPREV_ID_5700_B0
)
13140 tp
->tg3_flags
|= TG3_FLAG_BROKEN_CHECKSUMS
;
13142 tp
->tg3_flags
|= TG3_FLAG_RX_CHECKSUMS
;
13143 tp
->dev
->features
|= NETIF_F_IP_CSUM
| NETIF_F_SG
;
13144 if (tp
->tg3_flags3
& TG3_FLG3_5755_PLUS
)
13145 tp
->dev
->features
|= NETIF_F_IPV6_CSUM
;
13148 /* Determine TSO capabilities */
13149 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
||
13150 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
)
13151 tp
->tg3_flags2
|= TG3_FLG2_HW_TSO_3
;
13152 else if ((tp
->tg3_flags3
& TG3_FLG3_5755_PLUS
) ||
13153 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
)
13154 tp
->tg3_flags2
|= TG3_FLG2_HW_TSO_2
;
13155 else if (tp
->tg3_flags2
& TG3_FLG2_5750_PLUS
) {
13156 tp
->tg3_flags2
|= TG3_FLG2_HW_TSO_1
| TG3_FLG2_TSO_BUG
;
13157 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5750
&&
13158 tp
->pci_chip_rev_id
>= CHIPREV_ID_5750_C2
)
13159 tp
->tg3_flags2
&= ~TG3_FLG2_TSO_BUG
;
13160 } else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5700
&&
13161 GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5701
&&
13162 tp
->pci_chip_rev_id
!= CHIPREV_ID_5705_A0
) {
13163 tp
->tg3_flags2
|= TG3_FLG2_TSO_BUG
;
13164 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5705
)
13165 tp
->fw_needed
= FIRMWARE_TG3TSO5
;
13167 tp
->fw_needed
= FIRMWARE_TG3TSO
;
13172 if (tp
->tg3_flags2
& TG3_FLG2_5750_PLUS
) {
13173 tp
->tg3_flags
|= TG3_FLAG_SUPPORT_MSI
;
13174 if (GET_CHIP_REV(tp
->pci_chip_rev_id
) == CHIPREV_5750_AX
||
13175 GET_CHIP_REV(tp
->pci_chip_rev_id
) == CHIPREV_5750_BX
||
13176 (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5714
&&
13177 tp
->pci_chip_rev_id
<= CHIPREV_ID_5714_A2
&&
13178 tp
->pdev_peer
== tp
->pdev
))
13179 tp
->tg3_flags
&= ~TG3_FLAG_SUPPORT_MSI
;
13181 if ((tp
->tg3_flags3
& TG3_FLG3_5755_PLUS
) ||
13182 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
) {
13183 tp
->tg3_flags2
|= TG3_FLG2_1SHOT_MSI
;
13186 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
||
13187 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
) {
13188 tp
->tg3_flags
|= TG3_FLAG_SUPPORT_MSIX
;
13189 tp
->irq_max
= TG3_IRQ_MAX_VECS
;
13193 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
||
13194 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
)
13195 tp
->tg3_flags3
|= TG3_FLG3_SHORT_DMA_BUG
;
13196 else if (!(tp
->tg3_flags3
& TG3_FLG3_5755_PLUS
)) {
13197 tp
->tg3_flags3
|= TG3_FLG3_4G_DMA_BNDRY_BUG
;
13198 tp
->tg3_flags3
|= TG3_FLG3_40BIT_DMA_LIMIT_BUG
;
13201 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
||
13202 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
)
13203 tp
->tg3_flags3
|= TG3_FLG3_USE_JUMBO_BDFLAG
;
13205 if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
) ||
13206 (tp
->tg3_flags2
& TG3_FLG2_5780_CLASS
) ||
13207 (tp
->tg3_flags3
& TG3_FLG3_USE_JUMBO_BDFLAG
))
13208 tp
->tg3_flags
|= TG3_FLAG_JUMBO_CAPABLE
;
13210 pci_read_config_dword(tp
->pdev
, TG3PCI_PCISTATE
,
13213 tp
->pcie_cap
= pci_find_capability(tp
->pdev
, PCI_CAP_ID_EXP
);
13214 if (tp
->pcie_cap
!= 0) {
13217 tp
->tg3_flags2
|= TG3_FLG2_PCI_EXPRESS
;
13219 pcie_set_readrq(tp
->pdev
, 4096);
13221 pci_read_config_word(tp
->pdev
,
13222 tp
->pcie_cap
+ PCI_EXP_LNKCTL
,
13224 if (lnkctl
& PCI_EXP_LNKCTL_CLKREQ_EN
) {
13225 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
)
13226 tp
->tg3_flags2
&= ~TG3_FLG2_HW_TSO_2
;
13227 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5784
||
13228 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5761
||
13229 tp
->pci_chip_rev_id
== CHIPREV_ID_57780_A0
||
13230 tp
->pci_chip_rev_id
== CHIPREV_ID_57780_A1
)
13231 tp
->tg3_flags3
|= TG3_FLG3_CLKREQ_BUG
;
13232 } else if (tp
->pci_chip_rev_id
== CHIPREV_ID_5717_A0
) {
13233 tp
->tg3_flags3
|= TG3_FLG3_L1PLLPD_EN
;
13235 } else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5785
) {
13236 tp
->tg3_flags2
|= TG3_FLG2_PCI_EXPRESS
;
13237 } else if (!(tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
) ||
13238 (tp
->tg3_flags2
& TG3_FLG2_5780_CLASS
)) {
13239 tp
->pcix_cap
= pci_find_capability(tp
->pdev
, PCI_CAP_ID_PCIX
);
13240 if (!tp
->pcix_cap
) {
13241 printk(KERN_ERR PFX
"Cannot find PCI-X "
13242 "capability, aborting.\n");
13246 if (!(pci_state_reg
& PCISTATE_CONV_PCI_MODE
))
13247 tp
->tg3_flags
|= TG3_FLAG_PCIX_MODE
;
13250 /* If we have an AMD 762 or VIA K8T800 chipset, write
13251 * reordering to the mailbox registers done by the host
13252 * controller can cause major troubles. We read back from
13253 * every mailbox register write to force the writes to be
13254 * posted to the chip in order.
13256 if (pci_dev_present(write_reorder_chipsets
) &&
13257 !(tp
->tg3_flags2
& TG3_FLG2_PCI_EXPRESS
))
13258 tp
->tg3_flags
|= TG3_FLAG_MBOX_WRITE_REORDER
;
13260 pci_read_config_byte(tp
->pdev
, PCI_CACHE_LINE_SIZE
,
13261 &tp
->pci_cacheline_sz
);
13262 pci_read_config_byte(tp
->pdev
, PCI_LATENCY_TIMER
,
13263 &tp
->pci_lat_timer
);
13264 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5703
&&
13265 tp
->pci_lat_timer
< 64) {
13266 tp
->pci_lat_timer
= 64;
13267 pci_write_config_byte(tp
->pdev
, PCI_LATENCY_TIMER
,
13268 tp
->pci_lat_timer
);
13271 if (GET_CHIP_REV(tp
->pci_chip_rev_id
) == CHIPREV_5700_BX
) {
13272 /* 5700 BX chips need to have their TX producer index
13273 * mailboxes written twice to workaround a bug.
13275 tp
->tg3_flags
|= TG3_FLAG_TXD_MBOX_HWBUG
;
13277 /* If we are in PCI-X mode, enable register write workaround.
13279 * The workaround is to use indirect register accesses
13280 * for all chip writes not to mailbox registers.
13282 if (tp
->tg3_flags
& TG3_FLAG_PCIX_MODE
) {
13285 tp
->tg3_flags
|= TG3_FLAG_PCIX_TARGET_HWBUG
;
13287 /* The chip can have it's power management PCI config
13288 * space registers clobbered due to this bug.
13289 * So explicitly force the chip into D0 here.
13291 pci_read_config_dword(tp
->pdev
,
13292 tp
->pm_cap
+ PCI_PM_CTRL
,
13294 pm_reg
&= ~PCI_PM_CTRL_STATE_MASK
;
13295 pm_reg
|= PCI_PM_CTRL_PME_ENABLE
| 0 /* D0 */;
13296 pci_write_config_dword(tp
->pdev
,
13297 tp
->pm_cap
+ PCI_PM_CTRL
,
13300 /* Also, force SERR#/PERR# in PCI command. */
13301 pci_read_config_word(tp
->pdev
, PCI_COMMAND
, &pci_cmd
);
13302 pci_cmd
|= PCI_COMMAND_PARITY
| PCI_COMMAND_SERR
;
13303 pci_write_config_word(tp
->pdev
, PCI_COMMAND
, pci_cmd
);
13307 if ((pci_state_reg
& PCISTATE_BUS_SPEED_HIGH
) != 0)
13308 tp
->tg3_flags
|= TG3_FLAG_PCI_HIGH_SPEED
;
13309 if ((pci_state_reg
& PCISTATE_BUS_32BIT
) != 0)
13310 tp
->tg3_flags
|= TG3_FLAG_PCI_32BIT
;
13312 /* Chip-specific fixup from Broadcom driver */
13313 if ((tp
->pci_chip_rev_id
== CHIPREV_ID_5704_A0
) &&
13314 (!(pci_state_reg
& PCISTATE_RETRY_SAME_DMA
))) {
13315 pci_state_reg
|= PCISTATE_RETRY_SAME_DMA
;
13316 pci_write_config_dword(tp
->pdev
, TG3PCI_PCISTATE
, pci_state_reg
);
13319 /* Default fast path register access methods */
13320 tp
->read32
= tg3_read32
;
13321 tp
->write32
= tg3_write32
;
13322 tp
->read32_mbox
= tg3_read32
;
13323 tp
->write32_mbox
= tg3_write32
;
13324 tp
->write32_tx_mbox
= tg3_write32
;
13325 tp
->write32_rx_mbox
= tg3_write32
;
13327 /* Various workaround register access methods */
13328 if (tp
->tg3_flags
& TG3_FLAG_PCIX_TARGET_HWBUG
)
13329 tp
->write32
= tg3_write_indirect_reg32
;
13330 else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5701
||
13331 ((tp
->tg3_flags2
& TG3_FLG2_PCI_EXPRESS
) &&
13332 tp
->pci_chip_rev_id
== CHIPREV_ID_5750_A0
)) {
13334 * Back to back register writes can cause problems on these
13335 * chips, the workaround is to read back all reg writes
13336 * except those to mailbox regs.
13338 * See tg3_write_indirect_reg32().
13340 tp
->write32
= tg3_write_flush_reg32
;
13343 if ((tp
->tg3_flags
& TG3_FLAG_TXD_MBOX_HWBUG
) ||
13344 (tp
->tg3_flags
& TG3_FLAG_MBOX_WRITE_REORDER
)) {
13345 tp
->write32_tx_mbox
= tg3_write32_tx_mbox
;
13346 if (tp
->tg3_flags
& TG3_FLAG_MBOX_WRITE_REORDER
)
13347 tp
->write32_rx_mbox
= tg3_write_flush_reg32
;
13350 if (tp
->tg3_flags2
& TG3_FLG2_ICH_WORKAROUND
) {
13351 tp
->read32
= tg3_read_indirect_reg32
;
13352 tp
->write32
= tg3_write_indirect_reg32
;
13353 tp
->read32_mbox
= tg3_read_indirect_mbox
;
13354 tp
->write32_mbox
= tg3_write_indirect_mbox
;
13355 tp
->write32_tx_mbox
= tg3_write_indirect_mbox
;
13356 tp
->write32_rx_mbox
= tg3_write_indirect_mbox
;
13361 pci_read_config_word(tp
->pdev
, PCI_COMMAND
, &pci_cmd
);
13362 pci_cmd
&= ~PCI_COMMAND_MEMORY
;
13363 pci_write_config_word(tp
->pdev
, PCI_COMMAND
, pci_cmd
);
13365 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
) {
13366 tp
->read32_mbox
= tg3_read32_mbox_5906
;
13367 tp
->write32_mbox
= tg3_write32_mbox_5906
;
13368 tp
->write32_tx_mbox
= tg3_write32_mbox_5906
;
13369 tp
->write32_rx_mbox
= tg3_write32_mbox_5906
;
13372 if (tp
->write32
== tg3_write_indirect_reg32
||
13373 ((tp
->tg3_flags
& TG3_FLAG_PCIX_MODE
) &&
13374 (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5700
||
13375 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5701
)))
13376 tp
->tg3_flags
|= TG3_FLAG_SRAM_USE_CONFIG
;
13378 /* Get eeprom hw config before calling tg3_set_power_state().
13379 * In particular, the TG3_FLG2_IS_NIC flag must be
13380 * determined before calling tg3_set_power_state() so that
13381 * we know whether or not to switch out of Vaux power.
13382 * When the flag is set, it means that GPIO1 is used for eeprom
13383 * write protect and also implies that it is a LOM where GPIOs
13384 * are not used to switch power.
13386 tg3_get_eeprom_hw_cfg(tp
);
13388 if (tp
->tg3_flags3
& TG3_FLG3_ENABLE_APE
) {
13389 /* Allow reads and writes to the
13390 * APE register and memory space.
13392 pci_state_reg
|= PCISTATE_ALLOW_APE_CTLSPC_WR
|
13393 PCISTATE_ALLOW_APE_SHMEM_WR
;
13394 pci_write_config_dword(tp
->pdev
, TG3PCI_PCISTATE
,
13398 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5784
||
13399 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5761
||
13400 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5785
||
13401 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57780
||
13402 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
||
13403 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
)
13404 tp
->tg3_flags
|= TG3_FLAG_CPMU_PRESENT
;
13406 /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
13407 * GPIO1 driven high will bring 5700's external PHY out of reset.
13408 * It is also used as eeprom write protect on LOMs.
13410 tp
->grc_local_ctrl
= GRC_LCLCTRL_INT_ON_ATTN
| GRC_LCLCTRL_AUTO_SEEPROM
;
13411 if ((GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5700
) ||
13412 (tp
->tg3_flags
& TG3_FLAG_EEPROM_WRITE_PROT
))
13413 tp
->grc_local_ctrl
|= (GRC_LCLCTRL_GPIO_OE1
|
13414 GRC_LCLCTRL_GPIO_OUTPUT1
);
13415 /* Unused GPIO3 must be driven as output on 5752 because there
13416 * are no pull-up resistors on unused GPIO pins.
13418 else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5752
)
13419 tp
->grc_local_ctrl
|= GRC_LCLCTRL_GPIO_OE3
;
13421 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5755
||
13422 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57780
||
13423 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
)
13424 tp
->grc_local_ctrl
|= GRC_LCLCTRL_GPIO_UART_SEL
;
13426 if (tp
->pdev
->device
== PCI_DEVICE_ID_TIGON3_5761
||
13427 tp
->pdev
->device
== TG3PCI_DEVICE_TIGON3_5761S
) {
13428 /* Turn off the debug UART. */
13429 tp
->grc_local_ctrl
|= GRC_LCLCTRL_GPIO_UART_SEL
;
13430 if (tp
->tg3_flags2
& TG3_FLG2_IS_NIC
)
13431 /* Keep VMain power. */
13432 tp
->grc_local_ctrl
|= GRC_LCLCTRL_GPIO_OE0
|
13433 GRC_LCLCTRL_GPIO_OUTPUT0
;
13436 /* Force the chip into D0. */
13437 err
= tg3_set_power_state(tp
, PCI_D0
);
13439 printk(KERN_ERR PFX
"(%s) transition to D0 failed\n",
13440 pci_name(tp
->pdev
));
13444 /* Derive initial jumbo mode from MTU assigned in
13445 * ether_setup() via the alloc_etherdev() call
13447 if (tp
->dev
->mtu
> ETH_DATA_LEN
&&
13448 !(tp
->tg3_flags2
& TG3_FLG2_5780_CLASS
))
13449 tp
->tg3_flags
|= TG3_FLAG_JUMBO_RING_ENABLE
;
13451 /* Determine WakeOnLan speed to use. */
13452 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5700
||
13453 tp
->pci_chip_rev_id
== CHIPREV_ID_5701_A0
||
13454 tp
->pci_chip_rev_id
== CHIPREV_ID_5701_B0
||
13455 tp
->pci_chip_rev_id
== CHIPREV_ID_5701_B2
) {
13456 tp
->tg3_flags
&= ~(TG3_FLAG_WOL_SPEED_100MB
);
13458 tp
->tg3_flags
|= TG3_FLAG_WOL_SPEED_100MB
;
13461 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
)
13462 tp
->tg3_flags3
|= TG3_FLG3_PHY_IS_FET
;
13464 /* A few boards don't want Ethernet@WireSpeed phy feature */
13465 if ((GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5700
) ||
13466 ((GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5705
) &&
13467 (tp
->pci_chip_rev_id
!= CHIPREV_ID_5705_A0
) &&
13468 (tp
->pci_chip_rev_id
!= CHIPREV_ID_5705_A1
)) ||
13469 (tp
->tg3_flags3
& TG3_FLG3_PHY_IS_FET
) ||
13470 (tp
->tg3_flags2
& TG3_FLG2_ANY_SERDES
))
13471 tp
->tg3_flags2
|= TG3_FLG2_NO_ETH_WIRE_SPEED
;
13473 if (GET_CHIP_REV(tp
->pci_chip_rev_id
) == CHIPREV_5703_AX
||
13474 GET_CHIP_REV(tp
->pci_chip_rev_id
) == CHIPREV_5704_AX
)
13475 tp
->tg3_flags2
|= TG3_FLG2_PHY_ADC_BUG
;
13476 if (tp
->pci_chip_rev_id
== CHIPREV_ID_5704_A0
)
13477 tp
->tg3_flags2
|= TG3_FLG2_PHY_5704_A0_BUG
;
13479 if ((tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
) &&
13480 !(tp
->tg3_flags3
& TG3_FLG3_PHY_IS_FET
) &&
13481 GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5785
&&
13482 GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_57780
&&
13483 GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5717
&&
13484 GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_57765
) {
13485 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5755
||
13486 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5787
||
13487 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5784
||
13488 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5761
) {
13489 if (tp
->pdev
->device
!= PCI_DEVICE_ID_TIGON3_5756
&&
13490 tp
->pdev
->device
!= PCI_DEVICE_ID_TIGON3_5722
)
13491 tp
->tg3_flags2
|= TG3_FLG2_PHY_JITTER_BUG
;
13492 if (tp
->pdev
->device
== PCI_DEVICE_ID_TIGON3_5755M
)
13493 tp
->tg3_flags2
|= TG3_FLG2_PHY_ADJUST_TRIM
;
13495 tp
->tg3_flags2
|= TG3_FLG2_PHY_BER_BUG
;
13498 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5784
&&
13499 GET_CHIP_REV(tp
->pci_chip_rev_id
) != CHIPREV_5784_AX
) {
13500 tp
->phy_otp
= tg3_read_otp_phycfg(tp
);
13501 if (tp
->phy_otp
== 0)
13502 tp
->phy_otp
= TG3_OTP_DEFAULT
;
13505 if (tp
->tg3_flags
& TG3_FLAG_CPMU_PRESENT
)
13506 tp
->mi_mode
= MAC_MI_MODE_500KHZ_CONST
;
13508 tp
->mi_mode
= MAC_MI_MODE_BASE
;
13510 tp
->coalesce_mode
= 0;
13511 if (GET_CHIP_REV(tp
->pci_chip_rev_id
) != CHIPREV_5700_AX
&&
13512 GET_CHIP_REV(tp
->pci_chip_rev_id
) != CHIPREV_5700_BX
)
13513 tp
->coalesce_mode
|= HOSTCC_MODE_32BYTE
;
13515 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5785
||
13516 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57780
)
13517 tp
->tg3_flags3
|= TG3_FLG3_USE_PHYLIB
;
13519 err
= tg3_mdio_init(tp
);
13523 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
&&
13524 (tp
->pci_chip_rev_id
!= CHIPREV_ID_5717_A0
||
13525 (tp
->tg3_flags2
& TG3_FLG2_MII_SERDES
)))
13528 /* Initialize data/descriptor byte/word swapping. */
13529 val
= tr32(GRC_MODE
);
13530 val
&= GRC_MODE_HOST_STACKUP
;
13531 tw32(GRC_MODE
, val
| tp
->grc_mode
);
13533 tg3_switch_clocks(tp
);
13535 /* Clear this out for sanity. */
13536 tw32(TG3PCI_MEM_WIN_BASE_ADDR
, 0);
13538 pci_read_config_dword(tp
->pdev
, TG3PCI_PCISTATE
,
13540 if ((pci_state_reg
& PCISTATE_CONV_PCI_MODE
) == 0 &&
13541 (tp
->tg3_flags
& TG3_FLAG_PCIX_TARGET_HWBUG
) == 0) {
13542 u32 chiprevid
= GET_CHIP_REV_ID(tp
->misc_host_ctrl
);
13544 if (chiprevid
== CHIPREV_ID_5701_A0
||
13545 chiprevid
== CHIPREV_ID_5701_B0
||
13546 chiprevid
== CHIPREV_ID_5701_B2
||
13547 chiprevid
== CHIPREV_ID_5701_B5
) {
13548 void __iomem
*sram_base
;
13550 /* Write some dummy words into the SRAM status block
13551 * area, see if it reads back correctly. If the return
13552 * value is bad, force enable the PCIX workaround.
13554 sram_base
= tp
->regs
+ NIC_SRAM_WIN_BASE
+ NIC_SRAM_STATS_BLK
;
13556 writel(0x00000000, sram_base
);
13557 writel(0x00000000, sram_base
+ 4);
13558 writel(0xffffffff, sram_base
+ 4);
13559 if (readl(sram_base
) != 0x00000000)
13560 tp
->tg3_flags
|= TG3_FLAG_PCIX_TARGET_HWBUG
;
13565 tg3_nvram_init(tp
);
13567 grc_misc_cfg
= tr32(GRC_MISC_CFG
);
13568 grc_misc_cfg
&= GRC_MISC_CFG_BOARD_ID_MASK
;
13570 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5705
&&
13571 (grc_misc_cfg
== GRC_MISC_CFG_BOARD_ID_5788
||
13572 grc_misc_cfg
== GRC_MISC_CFG_BOARD_ID_5788M
))
13573 tp
->tg3_flags2
|= TG3_FLG2_IS_5788
;
13575 if (!(tp
->tg3_flags2
& TG3_FLG2_IS_5788
) &&
13576 (GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5700
))
13577 tp
->tg3_flags
|= TG3_FLAG_TAGGED_STATUS
;
13578 if (tp
->tg3_flags
& TG3_FLAG_TAGGED_STATUS
) {
13579 tp
->coalesce_mode
|= (HOSTCC_MODE_CLRTICK_RXBD
|
13580 HOSTCC_MODE_CLRTICK_TXBD
);
13582 tp
->misc_host_ctrl
|= MISC_HOST_CTRL_TAGGED_STATUS
;
13583 pci_write_config_dword(tp
->pdev
, TG3PCI_MISC_HOST_CTRL
,
13584 tp
->misc_host_ctrl
);
13587 /* Preserve the APE MAC_MODE bits */
13588 if (tp
->tg3_flags3
& TG3_FLG3_ENABLE_APE
)
13589 tp
->mac_mode
= tr32(MAC_MODE
) |
13590 MAC_MODE_APE_TX_EN
| MAC_MODE_APE_RX_EN
;
13592 tp
->mac_mode
= TG3_DEF_MAC_MODE
;
13594 /* these are limited to 10/100 only */
13595 if ((GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5703
&&
13596 (grc_misc_cfg
== 0x8000 || grc_misc_cfg
== 0x4000)) ||
13597 (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5705
&&
13598 tp
->pdev
->vendor
== PCI_VENDOR_ID_BROADCOM
&&
13599 (tp
->pdev
->device
== PCI_DEVICE_ID_TIGON3_5901
||
13600 tp
->pdev
->device
== PCI_DEVICE_ID_TIGON3_5901_2
||
13601 tp
->pdev
->device
== PCI_DEVICE_ID_TIGON3_5705F
)) ||
13602 (tp
->pdev
->vendor
== PCI_VENDOR_ID_BROADCOM
&&
13603 (tp
->pdev
->device
== PCI_DEVICE_ID_TIGON3_5751F
||
13604 tp
->pdev
->device
== PCI_DEVICE_ID_TIGON3_5753F
||
13605 tp
->pdev
->device
== PCI_DEVICE_ID_TIGON3_5787F
)) ||
13606 tp
->pdev
->device
== TG3PCI_DEVICE_TIGON3_57790
||
13607 tp
->pdev
->device
== TG3PCI_DEVICE_TIGON3_57791
||
13608 tp
->pdev
->device
== TG3PCI_DEVICE_TIGON3_57795
||
13609 (tp
->tg3_flags3
& TG3_FLG3_PHY_IS_FET
))
13610 tp
->tg3_flags
|= TG3_FLAG_10_100_ONLY
;
13612 err
= tg3_phy_probe(tp
);
13614 printk(KERN_ERR PFX
"(%s) phy probe failed, err %d\n",
13615 pci_name(tp
->pdev
), err
);
13616 /* ... but do not return immediately ... */
13620 tg3_read_partno(tp
);
13621 tg3_read_fw_ver(tp
);
13623 if (tp
->tg3_flags2
& TG3_FLG2_PHY_SERDES
) {
13624 tp
->tg3_flags
&= ~TG3_FLAG_USE_MI_INTERRUPT
;
13626 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5700
)
13627 tp
->tg3_flags
|= TG3_FLAG_USE_MI_INTERRUPT
;
13629 tp
->tg3_flags
&= ~TG3_FLAG_USE_MI_INTERRUPT
;
13632 /* 5700 {AX,BX} chips have a broken status block link
13633 * change bit implementation, so we must use the
13634 * status register in those cases.
13636 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5700
)
13637 tp
->tg3_flags
|= TG3_FLAG_USE_LINKCHG_REG
;
13639 tp
->tg3_flags
&= ~TG3_FLAG_USE_LINKCHG_REG
;
13641 /* The led_ctrl is set during tg3_phy_probe, here we might
13642 * have to force the link status polling mechanism based
13643 * upon subsystem IDs.
13645 if (tp
->pdev
->subsystem_vendor
== PCI_VENDOR_ID_DELL
&&
13646 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5701
&&
13647 !(tp
->tg3_flags2
& TG3_FLG2_PHY_SERDES
)) {
13648 tp
->tg3_flags
|= (TG3_FLAG_USE_MI_INTERRUPT
|
13649 TG3_FLAG_USE_LINKCHG_REG
);
13652 /* For all SERDES we poll the MAC status register. */
13653 if (tp
->tg3_flags2
& TG3_FLG2_PHY_SERDES
)
13654 tp
->tg3_flags
|= TG3_FLAG_POLL_SERDES
;
13656 tp
->tg3_flags
&= ~TG3_FLAG_POLL_SERDES
;
13658 tp
->rx_offset
= NET_IP_ALIGN
;
13659 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5701
&&
13660 (tp
->tg3_flags
& TG3_FLAG_PCIX_MODE
) != 0)
13663 tp
->rx_std_max_post
= TG3_RX_RING_SIZE
;
13665 /* Increment the rx prod index on the rx std ring by at most
13666 * 8 for these chips to workaround hw errata.
13668 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5750
||
13669 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5752
||
13670 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5755
)
13671 tp
->rx_std_max_post
= 8;
13673 if (tp
->tg3_flags
& TG3_FLAG_ASPM_WORKAROUND
)
13674 tp
->pwrmgmt_thresh
= tr32(PCIE_PWR_MGMT_THRESH
) &
13675 PCIE_PWR_MGMT_L1_THRESH_MSK
;
13680 #ifdef CONFIG_SPARC
13681 static int __devinit
tg3_get_macaddr_sparc(struct tg3
*tp
)
13683 struct net_device
*dev
= tp
->dev
;
13684 struct pci_dev
*pdev
= tp
->pdev
;
13685 struct device_node
*dp
= pci_device_to_OF_node(pdev
);
13686 const unsigned char *addr
;
13689 addr
= of_get_property(dp
, "local-mac-address", &len
);
13690 if (addr
&& len
== 6) {
13691 memcpy(dev
->dev_addr
, addr
, 6);
13692 memcpy(dev
->perm_addr
, dev
->dev_addr
, 6);
13698 static int __devinit
tg3_get_default_macaddr_sparc(struct tg3
*tp
)
13700 struct net_device
*dev
= tp
->dev
;
13702 memcpy(dev
->dev_addr
, idprom
->id_ethaddr
, 6);
13703 memcpy(dev
->perm_addr
, idprom
->id_ethaddr
, 6);
13708 static int __devinit
tg3_get_device_address(struct tg3
*tp
)
13710 struct net_device
*dev
= tp
->dev
;
13711 u32 hi
, lo
, mac_offset
;
13714 #ifdef CONFIG_SPARC
13715 if (!tg3_get_macaddr_sparc(tp
))
13720 if ((GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5704
) ||
13721 (tp
->tg3_flags2
& TG3_FLG2_5780_CLASS
)) {
13722 if (tr32(TG3PCI_DUAL_MAC_CTRL
) & DUAL_MAC_CTRL_ID
)
13724 if (tg3_nvram_lock(tp
))
13725 tw32_f(NVRAM_CMD
, NVRAM_CMD_RESET
);
13727 tg3_nvram_unlock(tp
);
13728 } else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
) {
13729 if (tr32(TG3_CPMU_STATUS
) & TG3_CPMU_STATUS_PCIE_FUNC
)
13731 } else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
)
13734 /* First try to get it from MAC address mailbox. */
13735 tg3_read_mem(tp
, NIC_SRAM_MAC_ADDR_HIGH_MBOX
, &hi
);
13736 if ((hi
>> 16) == 0x484b) {
13737 dev
->dev_addr
[0] = (hi
>> 8) & 0xff;
13738 dev
->dev_addr
[1] = (hi
>> 0) & 0xff;
13740 tg3_read_mem(tp
, NIC_SRAM_MAC_ADDR_LOW_MBOX
, &lo
);
13741 dev
->dev_addr
[2] = (lo
>> 24) & 0xff;
13742 dev
->dev_addr
[3] = (lo
>> 16) & 0xff;
13743 dev
->dev_addr
[4] = (lo
>> 8) & 0xff;
13744 dev
->dev_addr
[5] = (lo
>> 0) & 0xff;
13746 /* Some old bootcode may report a 0 MAC address in SRAM */
13747 addr_ok
= is_valid_ether_addr(&dev
->dev_addr
[0]);
13750 /* Next, try NVRAM. */
13751 if (!(tp
->tg3_flags3
& TG3_FLG3_NO_NVRAM
) &&
13752 !tg3_nvram_read_be32(tp
, mac_offset
+ 0, &hi
) &&
13753 !tg3_nvram_read_be32(tp
, mac_offset
+ 4, &lo
)) {
13754 memcpy(&dev
->dev_addr
[0], ((char *)&hi
) + 2, 2);
13755 memcpy(&dev
->dev_addr
[2], (char *)&lo
, sizeof(lo
));
13757 /* Finally just fetch it out of the MAC control regs. */
13759 hi
= tr32(MAC_ADDR_0_HIGH
);
13760 lo
= tr32(MAC_ADDR_0_LOW
);
13762 dev
->dev_addr
[5] = lo
& 0xff;
13763 dev
->dev_addr
[4] = (lo
>> 8) & 0xff;
13764 dev
->dev_addr
[3] = (lo
>> 16) & 0xff;
13765 dev
->dev_addr
[2] = (lo
>> 24) & 0xff;
13766 dev
->dev_addr
[1] = hi
& 0xff;
13767 dev
->dev_addr
[0] = (hi
>> 8) & 0xff;
13771 if (!is_valid_ether_addr(&dev
->dev_addr
[0])) {
13772 #ifdef CONFIG_SPARC
13773 if (!tg3_get_default_macaddr_sparc(tp
))
13778 memcpy(dev
->perm_addr
, dev
->dev_addr
, dev
->addr_len
);
13782 #define BOUNDARY_SINGLE_CACHELINE 1
13783 #define BOUNDARY_MULTI_CACHELINE 2
13785 static u32 __devinit
tg3_calc_dma_bndry(struct tg3
*tp
, u32 val
)
13787 int cacheline_size
;
13791 pci_read_config_byte(tp
->pdev
, PCI_CACHE_LINE_SIZE
, &byte
);
13793 cacheline_size
= 1024;
13795 cacheline_size
= (int) byte
* 4;
13797 /* On 5703 and later chips, the boundary bits have no
13800 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5700
&&
13801 GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5701
&&
13802 !(tp
->tg3_flags2
& TG3_FLG2_PCI_EXPRESS
))
13805 #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
13806 goal
= BOUNDARY_MULTI_CACHELINE
;
13808 #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
13809 goal
= BOUNDARY_SINGLE_CACHELINE
;
13815 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
||
13816 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
) {
13817 val
= goal
? 0 : DMA_RWCTRL_DIS_CACHE_ALIGNMENT
;
13824 /* PCI controllers on most RISC systems tend to disconnect
13825 * when a device tries to burst across a cache-line boundary.
13826 * Therefore, letting tg3 do so just wastes PCI bandwidth.
13828 * Unfortunately, for PCI-E there are only limited
13829 * write-side controls for this, and thus for reads
13830 * we will still get the disconnects. We'll also waste
13831 * these PCI cycles for both read and write for chips
13832 * other than 5700 and 5701 which do not implement the
13835 if ((tp
->tg3_flags
& TG3_FLAG_PCIX_MODE
) &&
13836 !(tp
->tg3_flags2
& TG3_FLG2_PCI_EXPRESS
)) {
13837 switch (cacheline_size
) {
13842 if (goal
== BOUNDARY_SINGLE_CACHELINE
) {
13843 val
|= (DMA_RWCTRL_READ_BNDRY_128_PCIX
|
13844 DMA_RWCTRL_WRITE_BNDRY_128_PCIX
);
13846 val
|= (DMA_RWCTRL_READ_BNDRY_384_PCIX
|
13847 DMA_RWCTRL_WRITE_BNDRY_384_PCIX
);
13852 val
|= (DMA_RWCTRL_READ_BNDRY_256_PCIX
|
13853 DMA_RWCTRL_WRITE_BNDRY_256_PCIX
);
13857 val
|= (DMA_RWCTRL_READ_BNDRY_384_PCIX
|
13858 DMA_RWCTRL_WRITE_BNDRY_384_PCIX
);
13861 } else if (tp
->tg3_flags2
& TG3_FLG2_PCI_EXPRESS
) {
13862 switch (cacheline_size
) {
13866 if (goal
== BOUNDARY_SINGLE_CACHELINE
) {
13867 val
&= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE
;
13868 val
|= DMA_RWCTRL_WRITE_BNDRY_64_PCIE
;
13874 val
&= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE
;
13875 val
|= DMA_RWCTRL_WRITE_BNDRY_128_PCIE
;
13879 switch (cacheline_size
) {
13881 if (goal
== BOUNDARY_SINGLE_CACHELINE
) {
13882 val
|= (DMA_RWCTRL_READ_BNDRY_16
|
13883 DMA_RWCTRL_WRITE_BNDRY_16
);
13888 if (goal
== BOUNDARY_SINGLE_CACHELINE
) {
13889 val
|= (DMA_RWCTRL_READ_BNDRY_32
|
13890 DMA_RWCTRL_WRITE_BNDRY_32
);
13895 if (goal
== BOUNDARY_SINGLE_CACHELINE
) {
13896 val
|= (DMA_RWCTRL_READ_BNDRY_64
|
13897 DMA_RWCTRL_WRITE_BNDRY_64
);
13902 if (goal
== BOUNDARY_SINGLE_CACHELINE
) {
13903 val
|= (DMA_RWCTRL_READ_BNDRY_128
|
13904 DMA_RWCTRL_WRITE_BNDRY_128
);
13909 val
|= (DMA_RWCTRL_READ_BNDRY_256
|
13910 DMA_RWCTRL_WRITE_BNDRY_256
);
13913 val
|= (DMA_RWCTRL_READ_BNDRY_512
|
13914 DMA_RWCTRL_WRITE_BNDRY_512
);
13918 val
|= (DMA_RWCTRL_READ_BNDRY_1024
|
13919 DMA_RWCTRL_WRITE_BNDRY_1024
);
13928 static int __devinit
tg3_do_test_dma(struct tg3
*tp
, u32
*buf
, dma_addr_t buf_dma
, int size
, int to_device
)
13930 struct tg3_internal_buffer_desc test_desc
;
13931 u32 sram_dma_descs
;
13934 sram_dma_descs
= NIC_SRAM_DMA_DESC_POOL_BASE
;
13936 tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ
, 0);
13937 tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ
, 0);
13938 tw32(RDMAC_STATUS
, 0);
13939 tw32(WDMAC_STATUS
, 0);
13941 tw32(BUFMGR_MODE
, 0);
13942 tw32(FTQ_RESET
, 0);
13944 test_desc
.addr_hi
= ((u64
) buf_dma
) >> 32;
13945 test_desc
.addr_lo
= buf_dma
& 0xffffffff;
13946 test_desc
.nic_mbuf
= 0x00002100;
13947 test_desc
.len
= size
;
13950 * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
13951 * the *second* time the tg3 driver was getting loaded after an
13954 * Broadcom tells me:
13955 * ...the DMA engine is connected to the GRC block and a DMA
13956 * reset may affect the GRC block in some unpredictable way...
13957 * The behavior of resets to individual blocks has not been tested.
13959 * Broadcom noted the GRC reset will also reset all sub-components.
13962 test_desc
.cqid_sqid
= (13 << 8) | 2;
13964 tw32_f(RDMAC_MODE
, RDMAC_MODE_ENABLE
);
13967 test_desc
.cqid_sqid
= (16 << 8) | 7;
13969 tw32_f(WDMAC_MODE
, WDMAC_MODE_ENABLE
);
13972 test_desc
.flags
= 0x00000005;
13974 for (i
= 0; i
< (sizeof(test_desc
) / sizeof(u32
)); i
++) {
13977 val
= *(((u32
*)&test_desc
) + i
);
13978 pci_write_config_dword(tp
->pdev
, TG3PCI_MEM_WIN_BASE_ADDR
,
13979 sram_dma_descs
+ (i
* sizeof(u32
)));
13980 pci_write_config_dword(tp
->pdev
, TG3PCI_MEM_WIN_DATA
, val
);
13982 pci_write_config_dword(tp
->pdev
, TG3PCI_MEM_WIN_BASE_ADDR
, 0);
13985 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ
, sram_dma_descs
);
13987 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ
, sram_dma_descs
);
13991 for (i
= 0; i
< 40; i
++) {
13995 val
= tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ
);
13997 val
= tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ
);
13998 if ((val
& 0xffff) == sram_dma_descs
) {
14009 #define TEST_BUFFER_SIZE 0x2000
14011 static int __devinit
tg3_test_dma(struct tg3
*tp
)
14013 dma_addr_t buf_dma
;
14014 u32
*buf
, saved_dma_rwctrl
;
14017 buf
= pci_alloc_consistent(tp
->pdev
, TEST_BUFFER_SIZE
, &buf_dma
);
14023 tp
->dma_rwctrl
= ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT
) |
14024 (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT
));
14026 tp
->dma_rwctrl
= tg3_calc_dma_bndry(tp
, tp
->dma_rwctrl
);
14028 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
||
14029 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
)
14032 if (tp
->tg3_flags2
& TG3_FLG2_PCI_EXPRESS
) {
14033 /* DMA read watermark not used on PCIE */
14034 tp
->dma_rwctrl
|= 0x00180000;
14035 } else if (!(tp
->tg3_flags
& TG3_FLAG_PCIX_MODE
)) {
14036 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5705
||
14037 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5750
)
14038 tp
->dma_rwctrl
|= 0x003f0000;
14040 tp
->dma_rwctrl
|= 0x003f000f;
14042 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5703
||
14043 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5704
) {
14044 u32 ccval
= (tr32(TG3PCI_CLOCK_CTRL
) & 0x1f);
14045 u32 read_water
= 0x7;
14047 /* If the 5704 is behind the EPB bridge, we can
14048 * do the less restrictive ONE_DMA workaround for
14049 * better performance.
14051 if ((tp
->tg3_flags
& TG3_FLAG_40BIT_DMA_BUG
) &&
14052 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5704
)
14053 tp
->dma_rwctrl
|= 0x8000;
14054 else if (ccval
== 0x6 || ccval
== 0x7)
14055 tp
->dma_rwctrl
|= DMA_RWCTRL_ONE_DMA
;
14057 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5703
)
14059 /* Set bit 23 to enable PCIX hw bug fix */
14061 (read_water
<< DMA_RWCTRL_READ_WATER_SHIFT
) |
14062 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT
) |
14064 } else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5780
) {
14065 /* 5780 always in PCIX mode */
14066 tp
->dma_rwctrl
|= 0x00144000;
14067 } else if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5714
) {
14068 /* 5714 always in PCIX mode */
14069 tp
->dma_rwctrl
|= 0x00148000;
14071 tp
->dma_rwctrl
|= 0x001b000f;
14075 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5703
||
14076 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5704
)
14077 tp
->dma_rwctrl
&= 0xfffffff0;
14079 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5700
||
14080 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5701
) {
14081 /* Remove this if it causes problems for some boards. */
14082 tp
->dma_rwctrl
|= DMA_RWCTRL_USE_MEM_READ_MULT
;
14084 /* On 5700/5701 chips, we need to set this bit.
14085 * Otherwise the chip will issue cacheline transactions
14086 * to streamable DMA memory with not all the byte
14087 * enables turned on. This is an error on several
14088 * RISC PCI controllers, in particular sparc64.
14090 * On 5703/5704 chips, this bit has been reassigned
14091 * a different meaning. In particular, it is used
14092 * on those chips to enable a PCI-X workaround.
14094 tp
->dma_rwctrl
|= DMA_RWCTRL_ASSERT_ALL_BE
;
14097 tw32(TG3PCI_DMA_RW_CTRL
, tp
->dma_rwctrl
);
14100 /* Unneeded, already done by tg3_get_invariants. */
14101 tg3_switch_clocks(tp
);
14104 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5700
&&
14105 GET_ASIC_REV(tp
->pci_chip_rev_id
) != ASIC_REV_5701
)
14108 /* It is best to perform DMA test with maximum write burst size
14109 * to expose the 5700/5701 write DMA bug.
14111 saved_dma_rwctrl
= tp
->dma_rwctrl
;
14112 tp
->dma_rwctrl
&= ~DMA_RWCTRL_WRITE_BNDRY_MASK
;
14113 tw32(TG3PCI_DMA_RW_CTRL
, tp
->dma_rwctrl
);
14118 for (i
= 0; i
< TEST_BUFFER_SIZE
/ sizeof(u32
); i
++)
14121 /* Send the buffer to the chip. */
14122 ret
= tg3_do_test_dma(tp
, buf
, buf_dma
, TEST_BUFFER_SIZE
, 1);
14124 printk(KERN_ERR
"tg3_test_dma() Write the buffer failed %d\n", ret
);
14129 /* validate data reached card RAM correctly. */
14130 for (i
= 0; i
< TEST_BUFFER_SIZE
/ sizeof(u32
); i
++) {
14132 tg3_read_mem(tp
, 0x2100 + (i
*4), &val
);
14133 if (le32_to_cpu(val
) != p
[i
]) {
14134 printk(KERN_ERR
" tg3_test_dma() Card buffer corrupted on write! (%d != %d)\n", val
, i
);
14135 /* ret = -ENODEV here? */
14140 /* Now read it back. */
14141 ret
= tg3_do_test_dma(tp
, buf
, buf_dma
, TEST_BUFFER_SIZE
, 0);
14143 printk(KERN_ERR
"tg3_test_dma() Read the buffer failed %d\n", ret
);
14149 for (i
= 0; i
< TEST_BUFFER_SIZE
/ sizeof(u32
); i
++) {
14153 if ((tp
->dma_rwctrl
& DMA_RWCTRL_WRITE_BNDRY_MASK
) !=
14154 DMA_RWCTRL_WRITE_BNDRY_16
) {
14155 tp
->dma_rwctrl
&= ~DMA_RWCTRL_WRITE_BNDRY_MASK
;
14156 tp
->dma_rwctrl
|= DMA_RWCTRL_WRITE_BNDRY_16
;
14157 tw32(TG3PCI_DMA_RW_CTRL
, tp
->dma_rwctrl
);
14160 printk(KERN_ERR
"tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p
[i
], i
);
14166 if (i
== (TEST_BUFFER_SIZE
/ sizeof(u32
))) {
14172 if ((tp
->dma_rwctrl
& DMA_RWCTRL_WRITE_BNDRY_MASK
) !=
14173 DMA_RWCTRL_WRITE_BNDRY_16
) {
14174 static struct pci_device_id dma_wait_state_chipsets
[] = {
14175 { PCI_DEVICE(PCI_VENDOR_ID_APPLE
,
14176 PCI_DEVICE_ID_APPLE_UNI_N_PCI15
) },
14180 /* DMA test passed without adjusting DMA boundary,
14181 * now look for chipsets that are known to expose the
14182 * DMA bug without failing the test.
14184 if (pci_dev_present(dma_wait_state_chipsets
)) {
14185 tp
->dma_rwctrl
&= ~DMA_RWCTRL_WRITE_BNDRY_MASK
;
14186 tp
->dma_rwctrl
|= DMA_RWCTRL_WRITE_BNDRY_16
;
14189 /* Safe to use the calculated DMA boundary. */
14190 tp
->dma_rwctrl
= saved_dma_rwctrl
;
14192 tw32(TG3PCI_DMA_RW_CTRL
, tp
->dma_rwctrl
);
14196 pci_free_consistent(tp
->pdev
, TEST_BUFFER_SIZE
, buf
, buf_dma
);
14201 static void __devinit
tg3_init_link_config(struct tg3
*tp
)
14203 tp
->link_config
.advertising
=
14204 (ADVERTISED_10baseT_Half
| ADVERTISED_10baseT_Full
|
14205 ADVERTISED_100baseT_Half
| ADVERTISED_100baseT_Full
|
14206 ADVERTISED_1000baseT_Half
| ADVERTISED_1000baseT_Full
|
14207 ADVERTISED_Autoneg
| ADVERTISED_MII
);
14208 tp
->link_config
.speed
= SPEED_INVALID
;
14209 tp
->link_config
.duplex
= DUPLEX_INVALID
;
14210 tp
->link_config
.autoneg
= AUTONEG_ENABLE
;
14211 tp
->link_config
.active_speed
= SPEED_INVALID
;
14212 tp
->link_config
.active_duplex
= DUPLEX_INVALID
;
14213 tp
->link_config
.phy_is_low_power
= 0;
14214 tp
->link_config
.orig_speed
= SPEED_INVALID
;
14215 tp
->link_config
.orig_duplex
= DUPLEX_INVALID
;
14216 tp
->link_config
.orig_autoneg
= AUTONEG_INVALID
;
14219 static void __devinit
tg3_init_bufmgr_config(struct tg3
*tp
)
14221 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5717
||
14222 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57765
) {
14223 tp
->bufmgr_config
.mbuf_read_dma_low_water
=
14224 DEFAULT_MB_RDMA_LOW_WATER_5705
;
14225 tp
->bufmgr_config
.mbuf_mac_rx_low_water
=
14226 DEFAULT_MB_MACRX_LOW_WATER_57765
;
14227 tp
->bufmgr_config
.mbuf_high_water
=
14228 DEFAULT_MB_HIGH_WATER_57765
;
14230 tp
->bufmgr_config
.mbuf_read_dma_low_water_jumbo
=
14231 DEFAULT_MB_RDMA_LOW_WATER_5705
;
14232 tp
->bufmgr_config
.mbuf_mac_rx_low_water_jumbo
=
14233 DEFAULT_MB_MACRX_LOW_WATER_JUMBO_57765
;
14234 tp
->bufmgr_config
.mbuf_high_water_jumbo
=
14235 DEFAULT_MB_HIGH_WATER_JUMBO_57765
;
14236 } else if (tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
) {
14237 tp
->bufmgr_config
.mbuf_read_dma_low_water
=
14238 DEFAULT_MB_RDMA_LOW_WATER_5705
;
14239 tp
->bufmgr_config
.mbuf_mac_rx_low_water
=
14240 DEFAULT_MB_MACRX_LOW_WATER_5705
;
14241 tp
->bufmgr_config
.mbuf_high_water
=
14242 DEFAULT_MB_HIGH_WATER_5705
;
14243 if (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5906
) {
14244 tp
->bufmgr_config
.mbuf_mac_rx_low_water
=
14245 DEFAULT_MB_MACRX_LOW_WATER_5906
;
14246 tp
->bufmgr_config
.mbuf_high_water
=
14247 DEFAULT_MB_HIGH_WATER_5906
;
14250 tp
->bufmgr_config
.mbuf_read_dma_low_water_jumbo
=
14251 DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780
;
14252 tp
->bufmgr_config
.mbuf_mac_rx_low_water_jumbo
=
14253 DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780
;
14254 tp
->bufmgr_config
.mbuf_high_water_jumbo
=
14255 DEFAULT_MB_HIGH_WATER_JUMBO_5780
;
14257 tp
->bufmgr_config
.mbuf_read_dma_low_water
=
14258 DEFAULT_MB_RDMA_LOW_WATER
;
14259 tp
->bufmgr_config
.mbuf_mac_rx_low_water
=
14260 DEFAULT_MB_MACRX_LOW_WATER
;
14261 tp
->bufmgr_config
.mbuf_high_water
=
14262 DEFAULT_MB_HIGH_WATER
;
14264 tp
->bufmgr_config
.mbuf_read_dma_low_water_jumbo
=
14265 DEFAULT_MB_RDMA_LOW_WATER_JUMBO
;
14266 tp
->bufmgr_config
.mbuf_mac_rx_low_water_jumbo
=
14267 DEFAULT_MB_MACRX_LOW_WATER_JUMBO
;
14268 tp
->bufmgr_config
.mbuf_high_water_jumbo
=
14269 DEFAULT_MB_HIGH_WATER_JUMBO
;
14272 tp
->bufmgr_config
.dma_low_water
= DEFAULT_DMA_LOW_WATER
;
14273 tp
->bufmgr_config
.dma_high_water
= DEFAULT_DMA_HIGH_WATER
;
14276 static char * __devinit
tg3_phy_string(struct tg3
*tp
)
14278 switch (tp
->phy_id
& PHY_ID_MASK
) {
14279 case PHY_ID_BCM5400
: return "5400";
14280 case PHY_ID_BCM5401
: return "5401";
14281 case PHY_ID_BCM5411
: return "5411";
14282 case PHY_ID_BCM5701
: return "5701";
14283 case PHY_ID_BCM5703
: return "5703";
14284 case PHY_ID_BCM5704
: return "5704";
14285 case PHY_ID_BCM5705
: return "5705";
14286 case PHY_ID_BCM5750
: return "5750";
14287 case PHY_ID_BCM5752
: return "5752";
14288 case PHY_ID_BCM5714
: return "5714";
14289 case PHY_ID_BCM5780
: return "5780";
14290 case PHY_ID_BCM5755
: return "5755";
14291 case PHY_ID_BCM5787
: return "5787";
14292 case PHY_ID_BCM5784
: return "5784";
14293 case PHY_ID_BCM5756
: return "5722/5756";
14294 case PHY_ID_BCM5906
: return "5906";
14295 case PHY_ID_BCM5761
: return "5761";
14296 case PHY_ID_BCM5718C
: return "5718C";
14297 case PHY_ID_BCM5718S
: return "5718S";
14298 case PHY_ID_BCM57765
: return "57765";
14299 case PHY_ID_BCM8002
: return "8002/serdes";
14300 case 0: return "serdes";
14301 default: return "unknown";
14305 static char * __devinit
tg3_bus_string(struct tg3
*tp
, char *str
)
14307 if (tp
->tg3_flags2
& TG3_FLG2_PCI_EXPRESS
) {
14308 strcpy(str
, "PCI Express");
14310 } else if (tp
->tg3_flags
& TG3_FLAG_PCIX_MODE
) {
14311 u32 clock_ctrl
= tr32(TG3PCI_CLOCK_CTRL
) & 0x1f;
14313 strcpy(str
, "PCIX:");
14315 if ((clock_ctrl
== 7) ||
14316 ((tr32(GRC_MISC_CFG
) & GRC_MISC_CFG_BOARD_ID_MASK
) ==
14317 GRC_MISC_CFG_BOARD_ID_5704CIOBE
))
14318 strcat(str
, "133MHz");
14319 else if (clock_ctrl
== 0)
14320 strcat(str
, "33MHz");
14321 else if (clock_ctrl
== 2)
14322 strcat(str
, "50MHz");
14323 else if (clock_ctrl
== 4)
14324 strcat(str
, "66MHz");
14325 else if (clock_ctrl
== 6)
14326 strcat(str
, "100MHz");
14328 strcpy(str
, "PCI:");
14329 if (tp
->tg3_flags
& TG3_FLAG_PCI_HIGH_SPEED
)
14330 strcat(str
, "66MHz");
14332 strcat(str
, "33MHz");
14334 if (tp
->tg3_flags
& TG3_FLAG_PCI_32BIT
)
14335 strcat(str
, ":32-bit");
14337 strcat(str
, ":64-bit");
14341 static struct pci_dev
* __devinit
tg3_find_peer(struct tg3
*tp
)
14343 struct pci_dev
*peer
;
14344 unsigned int func
, devnr
= tp
->pdev
->devfn
& ~7;
14346 for (func
= 0; func
< 8; func
++) {
14347 peer
= pci_get_slot(tp
->pdev
->bus
, devnr
| func
);
14348 if (peer
&& peer
!= tp
->pdev
)
14352 /* 5704 can be configured in single-port mode, set peer to
14353 * tp->pdev in that case.
14361 * We don't need to keep the refcount elevated; there's no way
14362 * to remove one half of this device without removing the other
14369 static void __devinit
tg3_init_coal(struct tg3
*tp
)
14371 struct ethtool_coalesce
*ec
= &tp
->coal
;
14373 memset(ec
, 0, sizeof(*ec
));
14374 ec
->cmd
= ETHTOOL_GCOALESCE
;
14375 ec
->rx_coalesce_usecs
= LOW_RXCOL_TICKS
;
14376 ec
->tx_coalesce_usecs
= LOW_TXCOL_TICKS
;
14377 ec
->rx_max_coalesced_frames
= LOW_RXMAX_FRAMES
;
14378 ec
->tx_max_coalesced_frames
= LOW_TXMAX_FRAMES
;
14379 ec
->rx_coalesce_usecs_irq
= DEFAULT_RXCOAL_TICK_INT
;
14380 ec
->tx_coalesce_usecs_irq
= DEFAULT_TXCOAL_TICK_INT
;
14381 ec
->rx_max_coalesced_frames_irq
= DEFAULT_RXCOAL_MAXF_INT
;
14382 ec
->tx_max_coalesced_frames_irq
= DEFAULT_TXCOAL_MAXF_INT
;
14383 ec
->stats_block_coalesce_usecs
= DEFAULT_STAT_COAL_TICKS
;
14385 if (tp
->coalesce_mode
& (HOSTCC_MODE_CLRTICK_RXBD
|
14386 HOSTCC_MODE_CLRTICK_TXBD
)) {
14387 ec
->rx_coalesce_usecs
= LOW_RXCOL_TICKS_CLRTCKS
;
14388 ec
->rx_coalesce_usecs_irq
= DEFAULT_RXCOAL_TICK_INT_CLRTCKS
;
14389 ec
->tx_coalesce_usecs
= LOW_TXCOL_TICKS_CLRTCKS
;
14390 ec
->tx_coalesce_usecs_irq
= DEFAULT_TXCOAL_TICK_INT_CLRTCKS
;
14393 if (tp
->tg3_flags2
& TG3_FLG2_5705_PLUS
) {
14394 ec
->rx_coalesce_usecs_irq
= 0;
14395 ec
->tx_coalesce_usecs_irq
= 0;
14396 ec
->stats_block_coalesce_usecs
= 0;
14400 static const struct net_device_ops tg3_netdev_ops
= {
14401 .ndo_open
= tg3_open
,
14402 .ndo_stop
= tg3_close
,
14403 .ndo_start_xmit
= tg3_start_xmit
,
14404 .ndo_get_stats
= tg3_get_stats
,
14405 .ndo_validate_addr
= eth_validate_addr
,
14406 .ndo_set_multicast_list
= tg3_set_rx_mode
,
14407 .ndo_set_mac_address
= tg3_set_mac_addr
,
14408 .ndo_do_ioctl
= tg3_ioctl
,
14409 .ndo_tx_timeout
= tg3_tx_timeout
,
14410 .ndo_change_mtu
= tg3_change_mtu
,
14411 #if TG3_VLAN_TAG_USED
14412 .ndo_vlan_rx_register
= tg3_vlan_rx_register
,
14414 #ifdef CONFIG_NET_POLL_CONTROLLER
14415 .ndo_poll_controller
= tg3_poll_controller
,
14419 static const struct net_device_ops tg3_netdev_ops_dma_bug
= {
14420 .ndo_open
= tg3_open
,
14421 .ndo_stop
= tg3_close
,
14422 .ndo_start_xmit
= tg3_start_xmit_dma_bug
,
14423 .ndo_get_stats
= tg3_get_stats
,
14424 .ndo_validate_addr
= eth_validate_addr
,
14425 .ndo_set_multicast_list
= tg3_set_rx_mode
,
14426 .ndo_set_mac_address
= tg3_set_mac_addr
,
14427 .ndo_do_ioctl
= tg3_ioctl
,
14428 .ndo_tx_timeout
= tg3_tx_timeout
,
14429 .ndo_change_mtu
= tg3_change_mtu
,
14430 #if TG3_VLAN_TAG_USED
14431 .ndo_vlan_rx_register
= tg3_vlan_rx_register
,
14433 #ifdef CONFIG_NET_POLL_CONTROLLER
14434 .ndo_poll_controller
= tg3_poll_controller
,
14438 static int __devinit
tg3_init_one(struct pci_dev
*pdev
,
14439 const struct pci_device_id
*ent
)
14441 static int tg3_version_printed
= 0;
14442 struct net_device
*dev
;
14444 int i
, err
, pm_cap
;
14445 u32 sndmbx
, rcvmbx
, intmbx
;
14447 u64 dma_mask
, persist_dma_mask
;
14449 if (tg3_version_printed
++ == 0)
14450 printk(KERN_INFO
"%s", version
);
14452 err
= pci_enable_device(pdev
);
14454 printk(KERN_ERR PFX
"Cannot enable PCI device, "
14459 err
= pci_request_regions(pdev
, DRV_MODULE_NAME
);
14461 printk(KERN_ERR PFX
"Cannot obtain PCI resources, "
14463 goto err_out_disable_pdev
;
14466 pci_set_master(pdev
);
14468 /* Find power-management capability. */
14469 pm_cap
= pci_find_capability(pdev
, PCI_CAP_ID_PM
);
14471 printk(KERN_ERR PFX
"Cannot find PowerManagement capability, "
14474 goto err_out_free_res
;
14477 dev
= alloc_etherdev_mq(sizeof(*tp
), TG3_IRQ_MAX_VECS
);
14479 printk(KERN_ERR PFX
"Etherdev alloc failed, aborting.\n");
14481 goto err_out_free_res
;
14484 SET_NETDEV_DEV(dev
, &pdev
->dev
);
14486 #if TG3_VLAN_TAG_USED
14487 dev
->features
|= NETIF_F_HW_VLAN_TX
| NETIF_F_HW_VLAN_RX
;
14490 tp
= netdev_priv(dev
);
14493 tp
->pm_cap
= pm_cap
;
14494 tp
->rx_mode
= TG3_DEF_RX_MODE
;
14495 tp
->tx_mode
= TG3_DEF_TX_MODE
;
14498 tp
->msg_enable
= tg3_debug
;
14500 tp
->msg_enable
= TG3_DEF_MSG_ENABLE
;
14502 /* The word/byte swap controls here control register access byte
14503 * swapping. DMA data byte swapping is controlled in the GRC_MODE
14506 tp
->misc_host_ctrl
=
14507 MISC_HOST_CTRL_MASK_PCI_INT
|
14508 MISC_HOST_CTRL_WORD_SWAP
|
14509 MISC_HOST_CTRL_INDIR_ACCESS
|
14510 MISC_HOST_CTRL_PCISTATE_RW
;
14512 /* The NONFRM (non-frame) byte/word swap controls take effect
14513 * on descriptor entries, anything which isn't packet data.
14515 * The StrongARM chips on the board (one for tx, one for rx)
14516 * are running in big-endian mode.
14518 tp
->grc_mode
= (GRC_MODE_WSWAP_DATA
| GRC_MODE_BSWAP_DATA
|
14519 GRC_MODE_WSWAP_NONFRM_DATA
);
14520 #ifdef __BIG_ENDIAN
14521 tp
->grc_mode
|= GRC_MODE_BSWAP_NONFRM_DATA
;
14523 spin_lock_init(&tp
->lock
);
14524 spin_lock_init(&tp
->indirect_lock
);
14525 INIT_WORK(&tp
->reset_task
, tg3_reset_task
);
14527 tp
->regs
= pci_ioremap_bar(pdev
, BAR_0
);
14529 printk(KERN_ERR PFX
"Cannot map device registers, "
14532 goto err_out_free_dev
;
14535 tg3_init_link_config(tp
);
14537 tp
->rx_pending
= TG3_DEF_RX_RING_PENDING
;
14538 tp
->rx_jumbo_pending
= TG3_DEF_RX_JUMBO_RING_PENDING
;
14540 dev
->ethtool_ops
= &tg3_ethtool_ops
;
14541 dev
->watchdog_timeo
= TG3_TX_TIMEOUT
;
14542 dev
->irq
= pdev
->irq
;
14544 err
= tg3_get_invariants(tp
);
14546 printk(KERN_ERR PFX
"Problem fetching invariants of chip, "
14548 goto err_out_iounmap
;
14551 if ((tp
->tg3_flags3
& TG3_FLG3_5755_PLUS
) &&
14552 tp
->pci_chip_rev_id
!= CHIPREV_ID_5717_A0
)
14553 dev
->netdev_ops
= &tg3_netdev_ops
;
14555 dev
->netdev_ops
= &tg3_netdev_ops_dma_bug
;
14558 /* The EPB bridge inside 5714, 5715, and 5780 and any
14559 * device behind the EPB cannot support DMA addresses > 40-bit.
14560 * On 64-bit systems with IOMMU, use 40-bit dma_mask.
14561 * On 64-bit systems without IOMMU, use 64-bit dma_mask and
14562 * do DMA address check in tg3_start_xmit().
14564 if (tp
->tg3_flags2
& TG3_FLG2_IS_5788
)
14565 persist_dma_mask
= dma_mask
= DMA_BIT_MASK(32);
14566 else if (tp
->tg3_flags
& TG3_FLAG_40BIT_DMA_BUG
) {
14567 persist_dma_mask
= dma_mask
= DMA_BIT_MASK(40);
14568 #ifdef CONFIG_HIGHMEM
14569 dma_mask
= DMA_BIT_MASK(64);
14572 persist_dma_mask
= dma_mask
= DMA_BIT_MASK(64);
14574 /* Configure DMA attributes. */
14575 if (dma_mask
> DMA_BIT_MASK(32)) {
14576 err
= pci_set_dma_mask(pdev
, dma_mask
);
14578 dev
->features
|= NETIF_F_HIGHDMA
;
14579 err
= pci_set_consistent_dma_mask(pdev
,
14582 printk(KERN_ERR PFX
"Unable to obtain 64 bit "
14583 "DMA for consistent allocations\n");
14584 goto err_out_iounmap
;
14588 if (err
|| dma_mask
== DMA_BIT_MASK(32)) {
14589 err
= pci_set_dma_mask(pdev
, DMA_BIT_MASK(32));
14591 printk(KERN_ERR PFX
"No usable DMA configuration, "
14593 goto err_out_iounmap
;
14597 tg3_init_bufmgr_config(tp
);
14599 /* Selectively allow TSO based on operating conditions */
14600 if ((tp
->tg3_flags2
& TG3_FLG2_HW_TSO
) ||
14601 (tp
->fw_needed
&& !(tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
)))
14602 tp
->tg3_flags2
|= TG3_FLG2_TSO_CAPABLE
;
14604 tp
->tg3_flags2
&= ~(TG3_FLG2_TSO_CAPABLE
| TG3_FLG2_TSO_BUG
);
14605 tp
->fw_needed
= NULL
;
14608 if (tp
->pci_chip_rev_id
== CHIPREV_ID_5701_A0
)
14609 tp
->fw_needed
= FIRMWARE_TG3
;
14611 /* TSO is on by default on chips that support hardware TSO.
14612 * Firmware TSO on older chips gives lower performance, so it
14613 * is off by default, but can be enabled using ethtool.
14615 if ((tp
->tg3_flags2
& TG3_FLG2_HW_TSO
) &&
14616 (dev
->features
& NETIF_F_IP_CSUM
))
14617 dev
->features
|= NETIF_F_TSO
;
14619 if ((tp
->tg3_flags2
& TG3_FLG2_HW_TSO_2
) ||
14620 (tp
->tg3_flags2
& TG3_FLG2_HW_TSO_3
)) {
14621 if (dev
->features
& NETIF_F_IPV6_CSUM
)
14622 dev
->features
|= NETIF_F_TSO6
;
14623 if ((tp
->tg3_flags2
& TG3_FLG2_HW_TSO_3
) ||
14624 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5761
||
14625 (GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5784
&&
14626 GET_CHIP_REV(tp
->pci_chip_rev_id
) != CHIPREV_5784_AX
) ||
14627 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_5785
||
14628 GET_ASIC_REV(tp
->pci_chip_rev_id
) == ASIC_REV_57780
)
14629 dev
->features
|= NETIF_F_TSO_ECN
;
14632 if (tp
->pci_chip_rev_id
== CHIPREV_ID_5705_A1
&&
14633 !(tp
->tg3_flags2
& TG3_FLG2_TSO_CAPABLE
) &&
14634 !(tr32(TG3PCI_PCISTATE
) & PCISTATE_BUS_SPEED_HIGH
)) {
14635 tp
->tg3_flags2
|= TG3_FLG2_MAX_RXPEND_64
;
14636 tp
->rx_pending
= 63;
14639 err
= tg3_get_device_address(tp
);
14641 printk(KERN_ERR PFX
"Could not obtain valid ethernet address, "
14643 goto err_out_iounmap
;
14646 if (tp
->tg3_flags3
& TG3_FLG3_ENABLE_APE
) {
14647 tp
->aperegs
= pci_ioremap_bar(pdev
, BAR_2
);
14648 if (!tp
->aperegs
) {
14649 printk(KERN_ERR PFX
"Cannot map APE registers, "
14652 goto err_out_iounmap
;
14655 tg3_ape_lock_init(tp
);
14657 if (tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
)
14658 tg3_read_dash_ver(tp
);
14662 * Reset chip in case UNDI or EFI driver did not shutdown
14663 * DMA self test will enable WDMAC and we'll see (spurious)
14664 * pending DMA on the PCI bus at that point.
14666 if ((tr32(HOSTCC_MODE
) & HOSTCC_MODE_ENABLE
) ||
14667 (tr32(WDMAC_MODE
) & WDMAC_MODE_ENABLE
)) {
14668 tw32(MEMARB_MODE
, MEMARB_MODE_ENABLE
);
14669 tg3_halt(tp
, RESET_KIND_SHUTDOWN
, 1);
14672 err
= tg3_test_dma(tp
);
14674 printk(KERN_ERR PFX
"DMA engine test failed, aborting.\n");
14675 goto err_out_apeunmap
;
14678 /* flow control autonegotiation is default behavior */
14679 tp
->tg3_flags
|= TG3_FLAG_PAUSE_AUTONEG
;
14680 tp
->link_config
.flowctrl
= FLOW_CTRL_TX
| FLOW_CTRL_RX
;
14682 intmbx
= MAILBOX_INTERRUPT_0
+ TG3_64BIT_REG_LOW
;
14683 rcvmbx
= MAILBOX_RCVRET_CON_IDX_0
+ TG3_64BIT_REG_LOW
;
14684 sndmbx
= MAILBOX_SNDHOST_PROD_IDX_0
+ TG3_64BIT_REG_LOW
;
14685 for (i
= 0; i
< TG3_IRQ_MAX_VECS
; i
++) {
14686 struct tg3_napi
*tnapi
= &tp
->napi
[i
];
14689 tnapi
->tx_pending
= TG3_DEF_TX_RING_PENDING
;
14691 tnapi
->int_mbox
= intmbx
;
14697 tnapi
->consmbox
= rcvmbx
;
14698 tnapi
->prodmbox
= sndmbx
;
14701 tnapi
->coal_now
= HOSTCC_MODE_COAL_VEC1_NOW
<< (i
- 1);
14702 netif_napi_add(dev
, &tnapi
->napi
, tg3_poll_msix
, 64);
14704 tnapi
->coal_now
= HOSTCC_MODE_NOW
;
14705 netif_napi_add(dev
, &tnapi
->napi
, tg3_poll
, 64);
14708 if (!(tp
->tg3_flags
& TG3_FLAG_SUPPORT_MSIX
))
14712 * If we support MSIX, we'll be using RSS. If we're using
14713 * RSS, the first vector only handles link interrupts and the
14714 * remaining vectors handle rx and tx interrupts. Reuse the
14715 * mailbox values for the next iteration. The values we setup
14716 * above are still useful for the single vectored mode.
14731 pci_set_drvdata(pdev
, dev
);
14733 err
= register_netdev(dev
);
14735 printk(KERN_ERR PFX
"Cannot register net device, "
14737 goto err_out_apeunmap
;
14740 printk(KERN_INFO
"%s: Tigon3 [partno(%s) rev %04x] (%s) MAC address %pM\n",
14742 tp
->board_part_number
,
14743 tp
->pci_chip_rev_id
,
14744 tg3_bus_string(tp
, str
),
14747 if (tp
->tg3_flags3
& TG3_FLG3_PHY_CONNECTED
) {
14748 struct phy_device
*phydev
;
14749 phydev
= tp
->mdio_bus
->phy_map
[TG3_PHY_MII_ADDR
];
14751 "%s: attached PHY driver [%s] (mii_bus:phy_addr=%s)\n",
14752 tp
->dev
->name
, phydev
->drv
->name
,
14753 dev_name(&phydev
->dev
));
14756 "%s: attached PHY is %s (%s Ethernet) (WireSpeed[%d])\n",
14757 tp
->dev
->name
, tg3_phy_string(tp
),
14758 ((tp
->tg3_flags
& TG3_FLAG_10_100_ONLY
) ? "10/100Base-TX" :
14759 ((tp
->tg3_flags2
& TG3_FLG2_ANY_SERDES
) ? "1000Base-SX" :
14760 "10/100/1000Base-T")),
14761 (tp
->tg3_flags2
& TG3_FLG2_NO_ETH_WIRE_SPEED
) == 0);
14763 printk(KERN_INFO
"%s: RXcsums[%d] LinkChgREG[%d] MIirq[%d] ASF[%d] TSOcap[%d]\n",
14765 (tp
->tg3_flags
& TG3_FLAG_RX_CHECKSUMS
) != 0,
14766 (tp
->tg3_flags
& TG3_FLAG_USE_LINKCHG_REG
) != 0,
14767 (tp
->tg3_flags
& TG3_FLAG_USE_MI_INTERRUPT
) != 0,
14768 (tp
->tg3_flags
& TG3_FLAG_ENABLE_ASF
) != 0,
14769 (tp
->tg3_flags2
& TG3_FLG2_TSO_CAPABLE
) != 0);
14770 printk(KERN_INFO
"%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
14771 dev
->name
, tp
->dma_rwctrl
,
14772 (pdev
->dma_mask
== DMA_BIT_MASK(32)) ? 32 :
14773 (((u64
) pdev
->dma_mask
== DMA_BIT_MASK(40)) ? 40 : 64));
14779 iounmap(tp
->aperegs
);
14780 tp
->aperegs
= NULL
;
14793 pci_release_regions(pdev
);
14795 err_out_disable_pdev
:
14796 pci_disable_device(pdev
);
14797 pci_set_drvdata(pdev
, NULL
);
14801 static void __devexit
tg3_remove_one(struct pci_dev
*pdev
)
14803 struct net_device
*dev
= pci_get_drvdata(pdev
);
14806 struct tg3
*tp
= netdev_priv(dev
);
14809 release_firmware(tp
->fw
);
14811 flush_scheduled_work();
14813 if (tp
->tg3_flags3
& TG3_FLG3_USE_PHYLIB
) {
14818 unregister_netdev(dev
);
14820 iounmap(tp
->aperegs
);
14821 tp
->aperegs
= NULL
;
14828 pci_release_regions(pdev
);
14829 pci_disable_device(pdev
);
14830 pci_set_drvdata(pdev
, NULL
);
14834 static int tg3_suspend(struct pci_dev
*pdev
, pm_message_t state
)
14836 struct net_device
*dev
= pci_get_drvdata(pdev
);
14837 struct tg3
*tp
= netdev_priv(dev
);
14838 pci_power_t target_state
;
14841 /* PCI register 4 needs to be saved whether netif_running() or not.
14842 * MSI address and data need to be saved if using MSI and
14845 pci_save_state(pdev
);
14847 if (!netif_running(dev
))
14850 flush_scheduled_work();
14852 tg3_netif_stop(tp
);
14854 del_timer_sync(&tp
->timer
);
14856 tg3_full_lock(tp
, 1);
14857 tg3_disable_ints(tp
);
14858 tg3_full_unlock(tp
);
14860 netif_device_detach(dev
);
14862 tg3_full_lock(tp
, 0);
14863 tg3_halt(tp
, RESET_KIND_SHUTDOWN
, 1);
14864 tp
->tg3_flags
&= ~TG3_FLAG_INIT_COMPLETE
;
14865 tg3_full_unlock(tp
);
14867 target_state
= pdev
->pm_cap
? pci_target_state(pdev
) : PCI_D3hot
;
14869 err
= tg3_set_power_state(tp
, target_state
);
14873 tg3_full_lock(tp
, 0);
14875 tp
->tg3_flags
|= TG3_FLAG_INIT_COMPLETE
;
14876 err2
= tg3_restart_hw(tp
, 1);
14880 tp
->timer
.expires
= jiffies
+ tp
->timer_offset
;
14881 add_timer(&tp
->timer
);
14883 netif_device_attach(dev
);
14884 tg3_netif_start(tp
);
14887 tg3_full_unlock(tp
);
14896 static int tg3_resume(struct pci_dev
*pdev
)
14898 struct net_device
*dev
= pci_get_drvdata(pdev
);
14899 struct tg3
*tp
= netdev_priv(dev
);
14902 pci_restore_state(tp
->pdev
);
14904 if (!netif_running(dev
))
14907 err
= tg3_set_power_state(tp
, PCI_D0
);
14911 netif_device_attach(dev
);
14913 tg3_full_lock(tp
, 0);
14915 tp
->tg3_flags
|= TG3_FLAG_INIT_COMPLETE
;
14916 err
= tg3_restart_hw(tp
, 1);
14920 tp
->timer
.expires
= jiffies
+ tp
->timer_offset
;
14921 add_timer(&tp
->timer
);
14923 tg3_netif_start(tp
);
14926 tg3_full_unlock(tp
);
14934 static struct pci_driver tg3_driver
= {
14935 .name
= DRV_MODULE_NAME
,
14936 .id_table
= tg3_pci_tbl
,
14937 .probe
= tg3_init_one
,
14938 .remove
= __devexit_p(tg3_remove_one
),
14939 .suspend
= tg3_suspend
,
14940 .resume
= tg3_resume
14943 static int __init
tg3_init(void)
14945 return pci_register_driver(&tg3_driver
);
14948 static void __exit
tg3_cleanup(void)
14950 pci_unregister_driver(&tg3_driver
);
14953 module_init(tg3_init
);
14954 module_exit(tg3_cleanup
);