diff options
author | David Howells <dhowells@redhat.com> | 2006-12-05 09:37:56 -0500 |
---|---|---|
committer | David Howells <dhowells@warthog.cambridge.redhat.com> | 2006-12-05 09:37:56 -0500 |
commit | 4c1ac1b49122b805adfa4efc620592f68dccf5db (patch) | |
tree | 87557f4bc2fd4fe65b7570489c2f610c45c0adcd /drivers/net/netxen/netxen_nic_niu.c | |
parent | c4028958b6ecad064b1a6303a6a5906d4fe48d73 (diff) | |
parent | d916faace3efc0bf19fe9a615a1ab8fa1a24cd93 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/infiniband/core/iwcm.c
drivers/net/chelsio/cxgb2.c
drivers/net/wireless/bcm43xx/bcm43xx_main.c
drivers/net/wireless/prism54/islpci_eth.c
drivers/usb/core/hub.h
drivers/usb/input/hid-core.c
net/core/netpoll.c
Fix up merge failures with Linus's head and fix new compilation failures.
Signed-Off-By: David Howells <dhowells@redhat.com>
Diffstat (limited to 'drivers/net/netxen/netxen_nic_niu.c')
-rw-r--r-- | drivers/net/netxen/netxen_nic_niu.c | 894 |
1 files changed, 894 insertions, 0 deletions
diff --git a/drivers/net/netxen/netxen_nic_niu.c b/drivers/net/netxen/netxen_nic_niu.c new file mode 100644 index 000000000000..7950a04532e6 --- /dev/null +++ b/drivers/net/netxen/netxen_nic_niu.c | |||
@@ -0,0 +1,894 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2003 - 2006 NetXen, Inc. | ||
3 | * All rights reserved. | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or | ||
6 | * modify it under the terms of the GNU General Public License | ||
7 | * as published by the Free Software Foundation; either version 2 | ||
8 | * of the License, or (at your option) any later version. | ||
9 | * | ||
10 | * This program is distributed in the hope that it will be useful, but | ||
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this program; if not, write to the Free Software | ||
17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, | ||
18 | * MA 02111-1307, USA. | ||
19 | * | ||
20 | * The full GNU General Public License is included in this distribution | ||
21 | * in the file called LICENSE. | ||
22 | * | ||
23 | * Contact Information: | ||
24 | * info@netxen.com | ||
25 | * NetXen, | ||
26 | * 3965 Freedom Circle, Fourth floor, | ||
27 | * Santa Clara, CA 95054 | ||
28 | * | ||
29 | * | ||
30 | * Provides access to the Network Interface Unit h/w block. | ||
31 | * | ||
32 | */ | ||
33 | |||
34 | #include "netxen_nic.h" | ||
35 | |||
36 | #define NETXEN_GB_MAC_SOFT_RESET 0x80000000 | ||
37 | #define NETXEN_GB_MAC_RESET_PROT_BLK 0x000F0000 | ||
38 | #define NETXEN_GB_MAC_ENABLE_TX_RX 0x00000005 | ||
39 | #define NETXEN_GB_MAC_PAUSED_FRMS 0x00000020 | ||
40 | |||
41 | static long phy_lock_timeout = 100000000; | ||
42 | |||
43 | static inline int phy_lock(void) | ||
44 | { | ||
45 | int i; | ||
46 | int done = 0, timeout = 0; | ||
47 | |||
48 | while (!done) { | ||
49 | done = readl((void __iomem *)NETXEN_PCIE_REG(PCIE_SEM3_LOCK)); | ||
50 | if (done == 1) | ||
51 | break; | ||
52 | if (timeout >= phy_lock_timeout) { | ||
53 | return -1; | ||
54 | } | ||
55 | timeout++; | ||
56 | if (!in_atomic()) | ||
57 | schedule(); | ||
58 | else { | ||
59 | for (i = 0; i < 20; i++) | ||
60 | cpu_relax(); | ||
61 | } | ||
62 | } | ||
63 | |||
64 | writel(NETXEN_PHY_LOCK_ID, (void __iomem *)PHY_LOCK_DRIVER); | ||
65 | return 0; | ||
66 | } | ||
67 | |||
68 | static inline int phy_unlock(void) | ||
69 | { | ||
70 | readl((void __iomem *)NETXEN_PCIE_REG(PCIE_SEM3_UNLOCK)); | ||
71 | return 0; | ||
72 | } | ||
73 | |||
74 | /* | ||
75 | * netxen_niu_gbe_phy_read - read a register from the GbE PHY via | ||
76 | * mii management interface. | ||
77 | * | ||
78 | * Note: The MII management interface goes through port 0. | ||
79 | * Individual phys are addressed as follows: | ||
80 | * @param phy [15:8] phy id | ||
81 | * @param reg [7:0] register number | ||
82 | * | ||
83 | * @returns 0 on success | ||
84 | * -1 on error | ||
85 | * | ||
86 | */ | ||
87 | int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long phy, | ||
88 | long reg, __le32 * readval) | ||
89 | { | ||
90 | long timeout = 0; | ||
91 | long result = 0; | ||
92 | long restore = 0; | ||
93 | __le32 address; | ||
94 | __le32 command; | ||
95 | __le32 status; | ||
96 | __le32 mac_cfg0; | ||
97 | |||
98 | if (phy_lock() != 0) { | ||
99 | return -1; | ||
100 | } | ||
101 | |||
102 | /* | ||
103 | * MII mgmt all goes through port 0 MAC interface, | ||
104 | * so it cannot be in reset | ||
105 | */ | ||
106 | |||
107 | if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0), | ||
108 | &mac_cfg0, 4)) | ||
109 | return -EIO; | ||
110 | if (netxen_gb_get_soft_reset(mac_cfg0)) { | ||
111 | __le32 temp; | ||
112 | temp = 0; | ||
113 | netxen_gb_tx_reset_pb(temp); | ||
114 | netxen_gb_rx_reset_pb(temp); | ||
115 | netxen_gb_tx_reset_mac(temp); | ||
116 | netxen_gb_rx_reset_mac(temp); | ||
117 | if (netxen_nic_hw_write_wx(adapter, | ||
118 | NETXEN_NIU_GB_MAC_CONFIG_0(0), | ||
119 | &temp, 4)) | ||
120 | return -EIO; | ||
121 | restore = 1; | ||
122 | } | ||
123 | |||
124 | address = 0; | ||
125 | netxen_gb_mii_mgmt_reg_addr(address, reg); | ||
126 | netxen_gb_mii_mgmt_phy_addr(address, phy); | ||
127 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_ADDR(0), | ||
128 | &address, 4)) | ||
129 | return -EIO; | ||
130 | command = 0; /* turn off any prior activity */ | ||
131 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0), | ||
132 | &command, 4)) | ||
133 | return -EIO; | ||
134 | /* send read command */ | ||
135 | netxen_gb_mii_mgmt_set_read_cycle(command); | ||
136 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0), | ||
137 | &command, 4)) | ||
138 | return -EIO; | ||
139 | |||
140 | status = 0; | ||
141 | do { | ||
142 | if (netxen_nic_hw_read_wx(adapter, | ||
143 | NETXEN_NIU_GB_MII_MGMT_INDICATE(0), | ||
144 | &status, 4)) | ||
145 | return -EIO; | ||
146 | timeout++; | ||
147 | } while ((netxen_get_gb_mii_mgmt_busy(status) | ||
148 | || netxen_get_gb_mii_mgmt_notvalid(status)) | ||
149 | && (timeout++ < NETXEN_NIU_PHY_WAITMAX)); | ||
150 | |||
151 | if (timeout < NETXEN_NIU_PHY_WAITMAX) { | ||
152 | if (netxen_nic_hw_read_wx(adapter, | ||
153 | NETXEN_NIU_GB_MII_MGMT_STATUS(0), | ||
154 | readval, 4)) | ||
155 | return -EIO; | ||
156 | result = 0; | ||
157 | } else | ||
158 | result = -1; | ||
159 | |||
160 | if (restore) | ||
161 | if (netxen_nic_hw_write_wx(adapter, | ||
162 | NETXEN_NIU_GB_MAC_CONFIG_0(0), | ||
163 | &mac_cfg0, 4)) | ||
164 | return -EIO; | ||
165 | phy_unlock(); | ||
166 | return result; | ||
167 | } | ||
168 | |||
169 | /* | ||
170 | * netxen_niu_gbe_phy_write - write a register to the GbE PHY via | ||
171 | * mii management interface. | ||
172 | * | ||
173 | * Note: The MII management interface goes through port 0. | ||
174 | * Individual phys are addressed as follows: | ||
175 | * @param phy [15:8] phy id | ||
176 | * @param reg [7:0] register number | ||
177 | * | ||
178 | * @returns 0 on success | ||
179 | * -1 on error | ||
180 | * | ||
181 | */ | ||
182 | int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, | ||
183 | long phy, long reg, __le32 val) | ||
184 | { | ||
185 | long timeout = 0; | ||
186 | long result = 0; | ||
187 | long restore = 0; | ||
188 | __le32 address; | ||
189 | __le32 command; | ||
190 | __le32 status; | ||
191 | __le32 mac_cfg0; | ||
192 | |||
193 | /* | ||
194 | * MII mgmt all goes through port 0 MAC interface, so it | ||
195 | * cannot be in reset | ||
196 | */ | ||
197 | |||
198 | if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0), | ||
199 | &mac_cfg0, 4)) | ||
200 | return -EIO; | ||
201 | if (netxen_gb_get_soft_reset(mac_cfg0)) { | ||
202 | __le32 temp; | ||
203 | temp = 0; | ||
204 | netxen_gb_tx_reset_pb(temp); | ||
205 | netxen_gb_rx_reset_pb(temp); | ||
206 | netxen_gb_tx_reset_mac(temp); | ||
207 | netxen_gb_rx_reset_mac(temp); | ||
208 | |||
209 | if (netxen_nic_hw_write_wx(adapter, | ||
210 | NETXEN_NIU_GB_MAC_CONFIG_0(0), | ||
211 | &temp, 4)) | ||
212 | return -EIO; | ||
213 | restore = 1; | ||
214 | } | ||
215 | |||
216 | command = 0; /* turn off any prior activity */ | ||
217 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0), | ||
218 | &command, 4)) | ||
219 | return -EIO; | ||
220 | |||
221 | address = 0; | ||
222 | netxen_gb_mii_mgmt_reg_addr(address, reg); | ||
223 | netxen_gb_mii_mgmt_phy_addr(address, phy); | ||
224 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_ADDR(0), | ||
225 | &address, 4)) | ||
226 | return -EIO; | ||
227 | |||
228 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CTRL(0), | ||
229 | &val, 4)) | ||
230 | return -EIO; | ||
231 | |||
232 | status = 0; | ||
233 | do { | ||
234 | if (netxen_nic_hw_read_wx(adapter, | ||
235 | NETXEN_NIU_GB_MII_MGMT_INDICATE(0), | ||
236 | &status, 4)) | ||
237 | return -EIO; | ||
238 | timeout++; | ||
239 | } while ((netxen_get_gb_mii_mgmt_busy(status)) | ||
240 | && (timeout++ < NETXEN_NIU_PHY_WAITMAX)); | ||
241 | |||
242 | if (timeout < NETXEN_NIU_PHY_WAITMAX) | ||
243 | result = 0; | ||
244 | else | ||
245 | result = -EIO; | ||
246 | |||
247 | /* restore the state of port 0 MAC in case we tampered with it */ | ||
248 | if (restore) | ||
249 | if (netxen_nic_hw_write_wx(adapter, | ||
250 | NETXEN_NIU_GB_MAC_CONFIG_0(0), | ||
251 | &mac_cfg0, 4)) | ||
252 | return -EIO; | ||
253 | |||
254 | return result; | ||
255 | } | ||
256 | |||
257 | int netxen_niu_xgbe_enable_phy_interrupts(struct netxen_adapter *adapter, | ||
258 | int port) | ||
259 | { | ||
260 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_INT_MASK, 0x3f); | ||
261 | return 0; | ||
262 | } | ||
263 | |||
264 | int netxen_niu_gbe_enable_phy_interrupts(struct netxen_adapter *adapter, | ||
265 | int port) | ||
266 | { | ||
267 | int result = 0; | ||
268 | __le32 enable = 0; | ||
269 | netxen_set_phy_int_link_status_changed(enable); | ||
270 | netxen_set_phy_int_autoneg_completed(enable); | ||
271 | netxen_set_phy_int_speed_changed(enable); | ||
272 | |||
273 | if (0 != | ||
274 | netxen_niu_gbe_phy_write(adapter, port, | ||
275 | NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE, | ||
276 | enable)) | ||
277 | result = -EIO; | ||
278 | |||
279 | return result; | ||
280 | } | ||
281 | |||
282 | int netxen_niu_xgbe_disable_phy_interrupts(struct netxen_adapter *adapter, | ||
283 | int port) | ||
284 | { | ||
285 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_INT_MASK, 0x7f); | ||
286 | return 0; | ||
287 | } | ||
288 | |||
289 | int netxen_niu_gbe_disable_phy_interrupts(struct netxen_adapter *adapter, | ||
290 | int port) | ||
291 | { | ||
292 | int result = 0; | ||
293 | if (0 != | ||
294 | netxen_niu_gbe_phy_write(adapter, port, | ||
295 | NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE, 0)) | ||
296 | result = -EIO; | ||
297 | |||
298 | return result; | ||
299 | } | ||
300 | |||
301 | int netxen_niu_xgbe_clear_phy_interrupts(struct netxen_adapter *adapter, | ||
302 | int port) | ||
303 | { | ||
304 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_ACTIVE_INT, -1); | ||
305 | return 0; | ||
306 | } | ||
307 | |||
308 | int netxen_niu_gbe_clear_phy_interrupts(struct netxen_adapter *adapter, | ||
309 | int port) | ||
310 | { | ||
311 | int result = 0; | ||
312 | if (0 != | ||
313 | netxen_niu_gbe_phy_write(adapter, port, | ||
314 | NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS, | ||
315 | -EIO)) | ||
316 | result = -EIO; | ||
317 | |||
318 | return result; | ||
319 | } | ||
320 | |||
321 | /* | ||
322 | * netxen_niu_gbe_set_mii_mode- Set 10/100 Mbit Mode for GbE MAC | ||
323 | * | ||
324 | */ | ||
325 | void netxen_niu_gbe_set_mii_mode(struct netxen_adapter *adapter, | ||
326 | int port, long enable) | ||
327 | { | ||
328 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_MODE, 0x2); | ||
329 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), | ||
330 | 0x80000000); | ||
331 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), | ||
332 | 0x0000f0025); | ||
333 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_1(port), | ||
334 | 0xf1ff); | ||
335 | netxen_crb_writelit_adapter(adapter, | ||
336 | NETXEN_NIU_GB0_GMII_MODE + (port << 3), 0); | ||
337 | netxen_crb_writelit_adapter(adapter, | ||
338 | NETXEN_NIU_GB0_MII_MODE + (port << 3), 1); | ||
339 | netxen_crb_writelit_adapter(adapter, | ||
340 | (NETXEN_NIU_GB0_HALF_DUPLEX + port * 4), 0); | ||
341 | netxen_crb_writelit_adapter(adapter, | ||
342 | NETXEN_NIU_GB_MII_MGMT_CONFIG(port), 0x7); | ||
343 | |||
344 | if (enable) { | ||
345 | /* | ||
346 | * Do NOT enable flow control until a suitable solution for | ||
347 | * shutting down pause frames is found. | ||
348 | */ | ||
349 | netxen_crb_writelit_adapter(adapter, | ||
350 | NETXEN_NIU_GB_MAC_CONFIG_0(port), | ||
351 | 0x5); | ||
352 | } | ||
353 | |||
354 | if (netxen_niu_gbe_enable_phy_interrupts(adapter, port)) | ||
355 | printk(KERN_ERR PFX "ERROR enabling PHY interrupts\n"); | ||
356 | if (netxen_niu_gbe_clear_phy_interrupts(adapter, port)) | ||
357 | printk(KERN_ERR PFX "ERROR clearing PHY interrupts\n"); | ||
358 | } | ||
359 | |||
360 | /* | ||
361 | * netxen_niu_gbe_set_gmii_mode- Set GbE Mode for GbE MAC | ||
362 | */ | ||
363 | void netxen_niu_gbe_set_gmii_mode(struct netxen_adapter *adapter, | ||
364 | int port, long enable) | ||
365 | { | ||
366 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_MODE, 0x2); | ||
367 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), | ||
368 | 0x80000000); | ||
369 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), | ||
370 | 0x0000f0025); | ||
371 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_1(port), | ||
372 | 0xf2ff); | ||
373 | netxen_crb_writelit_adapter(adapter, | ||
374 | NETXEN_NIU_GB0_MII_MODE + (port << 3), 0); | ||
375 | netxen_crb_writelit_adapter(adapter, | ||
376 | NETXEN_NIU_GB0_GMII_MODE + (port << 3), 1); | ||
377 | netxen_crb_writelit_adapter(adapter, | ||
378 | (NETXEN_NIU_GB0_HALF_DUPLEX + port * 4), 0); | ||
379 | netxen_crb_writelit_adapter(adapter, | ||
380 | NETXEN_NIU_GB_MII_MGMT_CONFIG(port), 0x7); | ||
381 | |||
382 | if (enable) { | ||
383 | /* | ||
384 | * Do NOT enable flow control until a suitable solution for | ||
385 | * shutting down pause frames is found. | ||
386 | */ | ||
387 | netxen_crb_writelit_adapter(adapter, | ||
388 | NETXEN_NIU_GB_MAC_CONFIG_0(port), | ||
389 | 0x5); | ||
390 | } | ||
391 | |||
392 | if (netxen_niu_gbe_enable_phy_interrupts(adapter, port)) | ||
393 | printk(KERN_ERR PFX "ERROR enabling PHY interrupts\n"); | ||
394 | if (netxen_niu_gbe_clear_phy_interrupts(adapter, port)) | ||
395 | printk(KERN_ERR PFX "ERROR clearing PHY interrupts\n"); | ||
396 | } | ||
397 | |||
398 | int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port) | ||
399 | { | ||
400 | int result = 0; | ||
401 | __le32 status; | ||
402 | if (adapter->ops->disable_phy_interrupts) | ||
403 | adapter->ops->disable_phy_interrupts(adapter, port); | ||
404 | mdelay(2); | ||
405 | |||
406 | if (0 == | ||
407 | netxen_niu_gbe_phy_read(adapter, port, | ||
408 | NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, | ||
409 | (__le32 *) & status)) { | ||
410 | if (netxen_get_phy_link(status)) { | ||
411 | if (netxen_get_phy_speed(status) == 2) { | ||
412 | netxen_niu_gbe_set_gmii_mode(adapter, port, 1); | ||
413 | } else if ((netxen_get_phy_speed(status) == 1) | ||
414 | || (netxen_get_phy_speed(status) == 0)) { | ||
415 | netxen_niu_gbe_set_mii_mode(adapter, port, 1); | ||
416 | } else { | ||
417 | result = -1; | ||
418 | } | ||
419 | |||
420 | } else { | ||
421 | /* | ||
422 | * We don't have link. Cable must be unconnected. | ||
423 | * Enable phy interrupts so we take action when | ||
424 | * plugged in. | ||
425 | */ | ||
426 | |||
427 | netxen_crb_writelit_adapter(adapter, | ||
428 | NETXEN_NIU_GB_MAC_CONFIG_0 | ||
429 | (port), | ||
430 | NETXEN_GB_MAC_SOFT_RESET); | ||
431 | netxen_crb_writelit_adapter(adapter, | ||
432 | NETXEN_NIU_GB_MAC_CONFIG_0 | ||
433 | (port), | ||
434 | NETXEN_GB_MAC_RESET_PROT_BLK | ||
435 | | NETXEN_GB_MAC_ENABLE_TX_RX | ||
436 | | | ||
437 | NETXEN_GB_MAC_PAUSED_FRMS); | ||
438 | if (netxen_niu_gbe_clear_phy_interrupts(adapter, port)) | ||
439 | printk(KERN_ERR PFX | ||
440 | "ERROR clearing PHY interrupts\n"); | ||
441 | if (netxen_niu_gbe_enable_phy_interrupts(adapter, port)) | ||
442 | printk(KERN_ERR PFX | ||
443 | "ERROR enabling PHY interrupts\n"); | ||
444 | if (netxen_niu_gbe_clear_phy_interrupts(adapter, port)) | ||
445 | printk(KERN_ERR PFX | ||
446 | "ERROR clearing PHY interrupts\n"); | ||
447 | result = -1; | ||
448 | } | ||
449 | } else { | ||
450 | result = -EIO; | ||
451 | } | ||
452 | return result; | ||
453 | } | ||
454 | |||
455 | int netxen_niu_xg_init_port(struct netxen_adapter *adapter, int port) | ||
456 | { | ||
457 | long reg = 0, ret = 0; | ||
458 | |||
459 | if (adapter->ahw.boardcfg.board_type == NETXEN_BRDTYPE_P2_SB31_10G_IMEZ) { | ||
460 | netxen_crb_writelit_adapter(adapter, | ||
461 | NETXEN_NIU_XG1_CONFIG_0, 0x5); | ||
462 | /* XXX hack for Mez cards: both ports in promisc mode */ | ||
463 | netxen_nic_hw_read_wx(adapter, | ||
464 | NETXEN_NIU_XGE_CONFIG_1, ®, 4); | ||
465 | reg = (reg | 0x2000UL); | ||
466 | netxen_crb_writelit_adapter(adapter, | ||
467 | NETXEN_NIU_XGE_CONFIG_1, reg); | ||
468 | reg = 0; | ||
469 | netxen_nic_hw_read_wx(adapter, | ||
470 | NETXEN_NIU_XG1_CONFIG_1, ®, 4); | ||
471 | reg = (reg | 0x2000UL); | ||
472 | netxen_crb_writelit_adapter(adapter, | ||
473 | NETXEN_NIU_XG1_CONFIG_1, reg); | ||
474 | } | ||
475 | |||
476 | return ret; | ||
477 | } | ||
478 | |||
479 | /* | ||
480 | * netxen_niu_gbe_handle_phy_interrupt - Handles GbE PHY interrupts | ||
481 | * @param enable 0 means don't enable the port | ||
482 | * 1 means enable (or re-enable) the port | ||
483 | */ | ||
484 | int netxen_niu_gbe_handle_phy_interrupt(struct netxen_adapter *adapter, | ||
485 | int port, long enable) | ||
486 | { | ||
487 | int result = 0; | ||
488 | __le32 int_src; | ||
489 | |||
490 | printk(KERN_INFO PFX "NETXEN: Handling PHY interrupt on port %d" | ||
491 | " (device enable = %d)\n", (int)port, (int)enable); | ||
492 | |||
493 | /* | ||
494 | * The read of the PHY INT status will clear the pending | ||
495 | * interrupt status | ||
496 | */ | ||
497 | if (netxen_niu_gbe_phy_read(adapter, port, | ||
498 | NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS, | ||
499 | &int_src) != 0) | ||
500 | result = -EINVAL; | ||
501 | else { | ||
502 | printk(KERN_INFO PFX "PHY Interrupt source = 0x%x \n", int_src); | ||
503 | if (netxen_get_phy_int_jabber(int_src)) | ||
504 | printk(KERN_INFO PFX "jabber Interrupt "); | ||
505 | if (netxen_get_phy_int_polarity_changed(int_src)) | ||
506 | printk(KERN_INFO PFX "polarity changed "); | ||
507 | if (netxen_get_phy_int_energy_detect(int_src)) | ||
508 | printk(KERN_INFO PFX "energy detect \n"); | ||
509 | if (netxen_get_phy_int_downshift(int_src)) | ||
510 | printk(KERN_INFO PFX "downshift \n"); | ||
511 | if (netxen_get_phy_int_mdi_xover_changed(int_src)) | ||
512 | printk(KERN_INFO PFX "mdi_xover_changed "); | ||
513 | if (netxen_get_phy_int_fifo_over_underflow(int_src)) | ||
514 | printk(KERN_INFO PFX "fifo_over_underflow "); | ||
515 | if (netxen_get_phy_int_false_carrier(int_src)) | ||
516 | printk(KERN_INFO PFX "false_carrier "); | ||
517 | if (netxen_get_phy_int_symbol_error(int_src)) | ||
518 | printk(KERN_INFO PFX "symbol_error "); | ||
519 | if (netxen_get_phy_int_autoneg_completed(int_src)) | ||
520 | printk(KERN_INFO PFX "autoneg_completed "); | ||
521 | if (netxen_get_phy_int_page_received(int_src)) | ||
522 | printk(KERN_INFO PFX "page_received "); | ||
523 | if (netxen_get_phy_int_duplex_changed(int_src)) | ||
524 | printk(KERN_INFO PFX "duplex_changed "); | ||
525 | if (netxen_get_phy_int_autoneg_error(int_src)) | ||
526 | printk(KERN_INFO PFX "autoneg_error "); | ||
527 | if ((netxen_get_phy_int_speed_changed(int_src)) | ||
528 | || (netxen_get_phy_int_link_status_changed(int_src))) { | ||
529 | __le32 status; | ||
530 | |||
531 | printk(KERN_INFO PFX | ||
532 | "speed_changed or link status changed"); | ||
533 | if (netxen_niu_gbe_phy_read | ||
534 | (adapter, port, | ||
535 | NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, | ||
536 | &status) == 0) { | ||
537 | if (netxen_get_phy_speed(status) == 2) { | ||
538 | printk | ||
539 | (KERN_INFO PFX "Link speed changed" | ||
540 | " to 1000 Mbps\n"); | ||
541 | netxen_niu_gbe_set_gmii_mode(adapter, | ||
542 | port, | ||
543 | enable); | ||
544 | } else if (netxen_get_phy_speed(status) == 1) { | ||
545 | printk | ||
546 | (KERN_INFO PFX "Link speed changed" | ||
547 | " to 100 Mbps\n"); | ||
548 | netxen_niu_gbe_set_mii_mode(adapter, | ||
549 | port, | ||
550 | enable); | ||
551 | } else if (netxen_get_phy_speed(status) == 0) { | ||
552 | printk | ||
553 | (KERN_INFO PFX "Link speed changed" | ||
554 | " to 10 Mbps\n"); | ||
555 | netxen_niu_gbe_set_mii_mode(adapter, | ||
556 | port, | ||
557 | enable); | ||
558 | } else { | ||
559 | printk(KERN_ERR PFX "ERROR reading" | ||
560 | "PHY status. Illegal speed.\n"); | ||
561 | result = -1; | ||
562 | } | ||
563 | } else { | ||
564 | printk(KERN_ERR PFX | ||
565 | "ERROR reading PHY status.\n"); | ||
566 | result = -1; | ||
567 | } | ||
568 | |||
569 | } | ||
570 | printk(KERN_INFO "\n"); | ||
571 | } | ||
572 | return result; | ||
573 | } | ||
574 | |||
575 | /* | ||
576 | * Return the current station MAC address. | ||
577 | * Note that the passed-in value must already be in network byte order. | ||
578 | */ | ||
579 | int netxen_niu_macaddr_get(struct netxen_adapter *adapter, | ||
580 | int phy, netxen_ethernet_macaddr_t * addr) | ||
581 | { | ||
582 | u64 result = 0; | ||
583 | __le32 stationhigh; | ||
584 | __le32 stationlow; | ||
585 | |||
586 | if (addr == NULL) | ||
587 | return -EINVAL; | ||
588 | if ((phy < 0) || (phy > 3)) | ||
589 | return -EINVAL; | ||
590 | |||
591 | if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_0(phy), | ||
592 | &stationhigh, 4)) | ||
593 | return -EIO; | ||
594 | if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_1(phy), | ||
595 | &stationlow, 4)) | ||
596 | return -EIO; | ||
597 | |||
598 | result = (u64) netxen_gb_get_stationaddress_low(stationlow); | ||
599 | result |= (u64) stationhigh << 16; | ||
600 | memcpy(*addr, &result, sizeof(netxen_ethernet_macaddr_t)); | ||
601 | |||
602 | return 0; | ||
603 | } | ||
604 | |||
605 | /* | ||
606 | * Set the station MAC address. | ||
607 | * Note that the passed-in value must already be in network byte order. | ||
608 | */ | ||
609 | int netxen_niu_macaddr_set(struct netxen_port *port, | ||
610 | netxen_ethernet_macaddr_t addr) | ||
611 | { | ||
612 | __le32 temp = 0; | ||
613 | struct netxen_adapter *adapter = port->adapter; | ||
614 | int phy = port->portnum; | ||
615 | unsigned char mac_addr[MAX_ADDR_LEN]; | ||
616 | int i; | ||
617 | |||
618 | for (i = 0; i < 10; i++) { | ||
619 | memcpy(&temp, addr, 2); | ||
620 | temp <<= 16; | ||
621 | if (netxen_nic_hw_write_wx | ||
622 | (adapter, NETXEN_NIU_GB_STATION_ADDR_1(phy), &temp, 4)) | ||
623 | return -EIO; | ||
624 | |||
625 | temp = 0; | ||
626 | |||
627 | memcpy(&temp, ((u8 *) addr) + 2, sizeof(__le32)); | ||
628 | if (netxen_nic_hw_write_wx | ||
629 | (adapter, NETXEN_NIU_GB_STATION_ADDR_0(phy), &temp, 4)) | ||
630 | return -2; | ||
631 | |||
632 | netxen_niu_macaddr_get(adapter, phy, | ||
633 | (netxen_ethernet_macaddr_t *) mac_addr); | ||
634 | if (memcmp(mac_addr, addr, MAX_ADDR_LEN == 0)) | ||
635 | break; | ||
636 | } | ||
637 | |||
638 | if (i == 10) { | ||
639 | printk(KERN_ERR "%s: cannot set Mac addr for %s\n", | ||
640 | netxen_nic_driver_name, port->netdev->name); | ||
641 | printk(KERN_ERR "MAC address set: " | ||
642 | "%02x:%02x:%02x:%02x:%02x:%02x.\n", | ||
643 | addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]); | ||
644 | |||
645 | printk(KERN_ERR "MAC address get: " | ||
646 | "%02x:%02x:%02x:%02x:%02x:%02x.\n", | ||
647 | mac_addr[0], | ||
648 | mac_addr[1], | ||
649 | mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5]); | ||
650 | } | ||
651 | return 0; | ||
652 | } | ||
653 | |||
654 | /* Enable a GbE interface */ | ||
655 | int netxen_niu_enable_gbe_port(struct netxen_adapter *adapter, | ||
656 | int port, netxen_niu_gbe_ifmode_t mode) | ||
657 | { | ||
658 | __le32 mac_cfg0; | ||
659 | __le32 mac_cfg1; | ||
660 | __le32 mii_cfg; | ||
661 | |||
662 | if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS)) | ||
663 | return -EINVAL; | ||
664 | |||
665 | mac_cfg0 = 0; | ||
666 | netxen_gb_soft_reset(mac_cfg0); | ||
667 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), | ||
668 | &mac_cfg0, 4)) | ||
669 | return -EIO; | ||
670 | mac_cfg0 = 0; | ||
671 | netxen_gb_enable_tx(mac_cfg0); | ||
672 | netxen_gb_enable_rx(mac_cfg0); | ||
673 | netxen_gb_unset_rx_flowctl(mac_cfg0); | ||
674 | netxen_gb_tx_reset_pb(mac_cfg0); | ||
675 | netxen_gb_rx_reset_pb(mac_cfg0); | ||
676 | netxen_gb_tx_reset_mac(mac_cfg0); | ||
677 | netxen_gb_rx_reset_mac(mac_cfg0); | ||
678 | |||
679 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), | ||
680 | &mac_cfg0, 4)) | ||
681 | return -EIO; | ||
682 | mac_cfg1 = 0; | ||
683 | netxen_gb_set_preamblelen(mac_cfg1, 0xf); | ||
684 | netxen_gb_set_duplex(mac_cfg1); | ||
685 | netxen_gb_set_crc_enable(mac_cfg1); | ||
686 | netxen_gb_set_padshort(mac_cfg1); | ||
687 | netxen_gb_set_checklength(mac_cfg1); | ||
688 | netxen_gb_set_hugeframes(mac_cfg1); | ||
689 | |||
690 | if (mode == NETXEN_NIU_10_100_MB) { | ||
691 | netxen_gb_set_intfmode(mac_cfg1, 1); | ||
692 | if (netxen_nic_hw_write_wx(adapter, | ||
693 | NETXEN_NIU_GB_MAC_CONFIG_1(port), | ||
694 | &mac_cfg1, 4)) | ||
695 | return -EIO; | ||
696 | |||
697 | /* set mii mode */ | ||
698 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_GMII_MODE + | ||
699 | (port << 3), 0); | ||
700 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_MII_MODE + | ||
701 | (port << 3), 1); | ||
702 | |||
703 | } else if (mode == NETXEN_NIU_1000_MB) { | ||
704 | netxen_gb_set_intfmode(mac_cfg1, 2); | ||
705 | if (netxen_nic_hw_write_wx(adapter, | ||
706 | NETXEN_NIU_GB_MAC_CONFIG_1(port), | ||
707 | &mac_cfg1, 4)) | ||
708 | return -EIO; | ||
709 | /* set gmii mode */ | ||
710 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_MII_MODE + | ||
711 | (port << 3), 0); | ||
712 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_GMII_MODE + | ||
713 | (port << 3), 1); | ||
714 | } | ||
715 | mii_cfg = 0; | ||
716 | netxen_gb_set_mii_mgmt_clockselect(mii_cfg, 7); | ||
717 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(port), | ||
718 | &mii_cfg, 4)) | ||
719 | return -EIO; | ||
720 | mac_cfg0 = 0; | ||
721 | netxen_gb_enable_tx(mac_cfg0); | ||
722 | netxen_gb_enable_rx(mac_cfg0); | ||
723 | netxen_gb_unset_rx_flowctl(mac_cfg0); | ||
724 | netxen_gb_unset_tx_flowctl(mac_cfg0); | ||
725 | |||
726 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), | ||
727 | &mac_cfg0, 4)) | ||
728 | return -EIO; | ||
729 | return 0; | ||
730 | } | ||
731 | |||
732 | /* Disable a GbE interface */ | ||
733 | int netxen_niu_disable_gbe_port(struct netxen_adapter *adapter, int port) | ||
734 | { | ||
735 | __le32 mac_cfg0; | ||
736 | |||
737 | if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS)) | ||
738 | return -EINVAL; | ||
739 | |||
740 | mac_cfg0 = 0; | ||
741 | netxen_gb_soft_reset(mac_cfg0); | ||
742 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), | ||
743 | &mac_cfg0, 4)) | ||
744 | return -EIO; | ||
745 | return 0; | ||
746 | } | ||
747 | |||
748 | /* Disable an XG interface */ | ||
749 | int netxen_niu_disable_xg_port(struct netxen_adapter *adapter, int port) | ||
750 | { | ||
751 | __le32 mac_cfg; | ||
752 | |||
753 | if (port != 0) | ||
754 | return -EINVAL; | ||
755 | |||
756 | mac_cfg = 0; | ||
757 | netxen_xg_soft_reset(mac_cfg); | ||
758 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_CONFIG_0, | ||
759 | &mac_cfg, 4)) | ||
760 | return -EIO; | ||
761 | return 0; | ||
762 | } | ||
763 | |||
764 | /* Set promiscuous mode for a GbE interface */ | ||
765 | int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter, int port, | ||
766 | netxen_niu_prom_mode_t mode) | ||
767 | { | ||
768 | __le32 reg; | ||
769 | |||
770 | if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS)) | ||
771 | return -EINVAL; | ||
772 | |||
773 | /* save previous contents */ | ||
774 | if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_DROP_WRONGADDR, | ||
775 | ®, 4)) | ||
776 | return -EIO; | ||
777 | if (mode == NETXEN_NIU_PROMISC_MODE) { | ||
778 | switch (port) { | ||
779 | case 0: | ||
780 | netxen_clear_gb_drop_gb0(reg); | ||
781 | break; | ||
782 | case 1: | ||
783 | netxen_clear_gb_drop_gb1(reg); | ||
784 | break; | ||
785 | case 2: | ||
786 | netxen_clear_gb_drop_gb2(reg); | ||
787 | break; | ||
788 | case 3: | ||
789 | netxen_clear_gb_drop_gb3(reg); | ||
790 | break; | ||
791 | default: | ||
792 | return -EIO; | ||
793 | } | ||
794 | } else { | ||
795 | switch (port) { | ||
796 | case 0: | ||
797 | netxen_set_gb_drop_gb0(reg); | ||
798 | break; | ||
799 | case 1: | ||
800 | netxen_set_gb_drop_gb1(reg); | ||
801 | break; | ||
802 | case 2: | ||
803 | netxen_set_gb_drop_gb2(reg); | ||
804 | break; | ||
805 | case 3: | ||
806 | netxen_set_gb_drop_gb3(reg); | ||
807 | break; | ||
808 | default: | ||
809 | return -EIO; | ||
810 | } | ||
811 | } | ||
812 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_DROP_WRONGADDR, | ||
813 | ®, 4)) | ||
814 | return -EIO; | ||
815 | return 0; | ||
816 | } | ||
817 | |||
818 | /* | ||
819 | * Set the MAC address for an XG port | ||
820 | * Note that the passed-in value must already be in network byte order. | ||
821 | */ | ||
822 | int netxen_niu_xg_macaddr_set(struct netxen_port *port, | ||
823 | netxen_ethernet_macaddr_t addr) | ||
824 | { | ||
825 | __le32 temp = 0; | ||
826 | struct netxen_adapter *adapter = port->adapter; | ||
827 | |||
828 | memcpy(&temp, addr, 2); | ||
829 | temp = cpu_to_le32(temp); | ||
830 | temp <<= 16; | ||
831 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_1, | ||
832 | &temp, 4)) | ||
833 | return -EIO; | ||
834 | |||
835 | temp = 0; | ||
836 | |||
837 | memcpy(&temp, ((u8 *) addr) + 2, sizeof(__le32)); | ||
838 | temp = cpu_to_le32(temp); | ||
839 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_HI, | ||
840 | &temp, 4)) | ||
841 | return -EIO; | ||
842 | |||
843 | return 0; | ||
844 | } | ||
845 | |||
846 | /* | ||
847 | * Return the current station MAC address. | ||
848 | * Note that the passed-in value must already be in network byte order. | ||
849 | */ | ||
850 | int netxen_niu_xg_macaddr_get(struct netxen_adapter *adapter, int phy, | ||
851 | netxen_ethernet_macaddr_t * addr) | ||
852 | { | ||
853 | __le32 stationhigh; | ||
854 | __le32 stationlow; | ||
855 | u64 result; | ||
856 | |||
857 | if (addr == NULL) | ||
858 | return -EINVAL; | ||
859 | if (phy != 0) | ||
860 | return -EINVAL; | ||
861 | |||
862 | if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_HI, | ||
863 | &stationhigh, 4)) | ||
864 | return -EIO; | ||
865 | if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_1, | ||
866 | &stationlow, 4)) | ||
867 | return -EIO; | ||
868 | |||
869 | result = ((u64) stationlow) >> 16; | ||
870 | result |= (u64) stationhigh << 16; | ||
871 | memcpy(*addr, &result, sizeof(netxen_ethernet_macaddr_t)); | ||
872 | |||
873 | return 0; | ||
874 | } | ||
875 | |||
876 | int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter, | ||
877 | int port, netxen_niu_prom_mode_t mode) | ||
878 | { | ||
879 | __le32 reg; | ||
880 | |||
881 | if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS)) | ||
882 | return -EINVAL; | ||
883 | |||
884 | if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_CONFIG_1, ®, 4)) | ||
885 | return -EIO; | ||
886 | if (mode == NETXEN_NIU_PROMISC_MODE) | ||
887 | reg = (reg | 0x2000UL); | ||
888 | else | ||
889 | reg = (reg & ~0x2000UL); | ||
890 | |||
891 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_XGE_CONFIG_1, reg); | ||
892 | |||
893 | return 0; | ||
894 | } | ||