1 /***********************license start***************
2 * Author: Cavium Networks
3 *
4 * Contact: support@caviumnetworks.com
5 * This file is part of the OCTEON SDK
6 *
7 * Copyright (c) 2003-2008 Cavium Networks
8 *
9 * This file is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License, Version 2, as
11 * published by the Free Software Foundation.
12 *
13 * This file is distributed in the hope that it will be useful, but
14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
16 * NONINFRINGEMENT. See the GNU General Public License for more
17 * details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this file; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 * or visit http://www.gnu.org/licenses/.
23 *
24 * This file may also be available under a different license from Cavium.
25 * Contact Cavium Networks for more information
26 ***********************license end**************************************/
27
28 /*
29 *
30 * Helper functions to abstract board specific data about
31 * network ports from the rest of the cvmx-helper files.
32 */
33
34 #include <asm/octeon/octeon.h>
35 #include <asm/octeon/cvmx-bootinfo.h>
36
37 #include "cvmx-config.h"
38
39 #include "cvmx-mdio.h"
40
41 #include "cvmx-helper.h"
42 #include "cvmx-helper-util.h"
43 #include "cvmx-helper-board.h"
44
45 #include "cvmx-gmxx-defs.h"
46 #include "cvmx-asxx-defs.h"
47
48 /**
49 * cvmx_override_board_link_get(int ipd_port) is a function
50 * pointer. It is meant to allow customization of the process of
51 * talking to a PHY to determine link speed. It is called every
52 * time a PHY must be polled for link status. Users should set
53 * this pointer to a function before calling any cvmx-helper
54 * operations.
55 */
56 cvmx_helper_link_info_t(*cvmx_override_board_link_get) (int ipd_port) =
57 NULL;
58
59 /**
60 * Return the MII PHY address associated with the given IPD
61 * port. A result of -1 means there isn't a MII capable PHY
62 * connected to this port. On chips supporting multiple MII
63 * busses the bus number is encoded in bits <15:8>.
64 *
65 * This function must be modified for every new Octeon board.
66 * Internally it uses switch statements based on the cvmx_sysinfo
67 * data to determine board types and revisions. It replies on the
68 * fact that every Octeon board receives a unique board type
69 * enumeration from the bootloader.
70 *
71 * @ipd_port: Octeon IPD port to get the MII address for.
72 *
73 * Returns MII PHY address and bus number or -1.
74 */
cvmx_helper_board_get_mii_address(int ipd_port)75 int cvmx_helper_board_get_mii_address(int ipd_port)
76 {
77 switch (cvmx_sysinfo_get()->board_type) {
78 case CVMX_BOARD_TYPE_SIM:
79 /* Simulator doesn't have MII */
80 return -1;
81 case CVMX_BOARD_TYPE_EBT3000:
82 case CVMX_BOARD_TYPE_EBT5800:
83 case CVMX_BOARD_TYPE_THUNDER:
84 case CVMX_BOARD_TYPE_NICPRO2:
85 /* Interface 0 is SPI4, interface 1 is RGMII */
86 if ((ipd_port >= 16) && (ipd_port < 20))
87 return ipd_port - 16;
88 else
89 return -1;
90 case CVMX_BOARD_TYPE_KODAMA:
91 case CVMX_BOARD_TYPE_EBH3100:
92 case CVMX_BOARD_TYPE_HIKARI:
93 case CVMX_BOARD_TYPE_CN3010_EVB_HS5:
94 case CVMX_BOARD_TYPE_CN3005_EVB_HS5:
95 case CVMX_BOARD_TYPE_CN3020_EVB_HS5:
96 /*
97 * Port 0 is WAN connected to a PHY, Port 1 is GMII
98 * connected to a switch
99 */
100 if (ipd_port == 0)
101 return 4;
102 else if (ipd_port == 1)
103 return 9;
104 else
105 return -1;
106 case CVMX_BOARD_TYPE_NAC38:
107 /* Board has 8 RGMII ports PHYs are 0-7 */
108 if ((ipd_port >= 0) && (ipd_port < 4))
109 return ipd_port;
110 else if ((ipd_port >= 16) && (ipd_port < 20))
111 return ipd_port - 16 + 4;
112 else
113 return -1;
114 case CVMX_BOARD_TYPE_EBH3000:
115 /* Board has dual SPI4 and no PHYs */
116 return -1;
117 case CVMX_BOARD_TYPE_EBH5200:
118 case CVMX_BOARD_TYPE_EBH5201:
119 case CVMX_BOARD_TYPE_EBT5200:
120 /*
121 * Board has 4 SGMII ports. The PHYs start right after the MII
122 * ports MII0 = 0, MII1 = 1, SGMII = 2-5.
123 */
124 if ((ipd_port >= 0) && (ipd_port < 4))
125 return ipd_port + 2;
126 else
127 return -1;
128 case CVMX_BOARD_TYPE_EBH5600:
129 case CVMX_BOARD_TYPE_EBH5601:
130 case CVMX_BOARD_TYPE_EBH5610:
131 /*
132 * Board has 8 SGMII ports. 4 connect out, two connect
133 * to a switch, and 2 loop to each other
134 */
135 if ((ipd_port >= 0) && (ipd_port < 4))
136 return ipd_port + 1;
137 else
138 return -1;
139 case CVMX_BOARD_TYPE_CUST_NB5:
140 if (ipd_port == 2)
141 return 4;
142 else
143 return -1;
144 case CVMX_BOARD_TYPE_NIC_XLE_4G:
145 /* Board has 4 SGMII ports. connected QLM3(interface 1) */
146 if ((ipd_port >= 16) && (ipd_port < 20))
147 return ipd_port - 16 + 1;
148 else
149 return -1;
150 case CVMX_BOARD_TYPE_BBGW_REF:
151 /*
152 * No PHYs are connected to Octeon, everything is
153 * through switch.
154 */
155 return -1;
156
157 case CVMX_BOARD_TYPE_CUST_WSX16:
158 if (ipd_port >= 0 && ipd_port <= 3)
159 return ipd_port;
160 else if (ipd_port >= 16 && ipd_port <= 19)
161 return ipd_port - 16 + 4;
162 else
163 return -1;
164 }
165
166 /* Some unknown board. Somebody forgot to update this function... */
167 cvmx_dprintf
168 ("cvmx_helper_board_get_mii_address: Unknown board type %d\n",
169 cvmx_sysinfo_get()->board_type);
170 return -1;
171 }
172
173 /**
174 * This function is the board specific method of determining an
175 * ethernet ports link speed. Most Octeon boards have Marvell PHYs
176 * and are handled by the fall through case. This function must be
177 * updated for boards that don't have the normal Marvell PHYs.
178 *
179 * This function must be modified for every new Octeon board.
180 * Internally it uses switch statements based on the cvmx_sysinfo
181 * data to determine board types and revisions. It relies on the
182 * fact that every Octeon board receives a unique board type
183 * enumeration from the bootloader.
184 *
185 * @ipd_port: IPD input port associated with the port we want to get link
186 * status for.
187 *
188 * Returns The ports link status. If the link isn't fully resolved, this must
189 * return zero.
190 */
__cvmx_helper_board_link_get(int ipd_port)191 cvmx_helper_link_info_t __cvmx_helper_board_link_get(int ipd_port)
192 {
193 cvmx_helper_link_info_t result;
194 int phy_addr;
195 int is_broadcom_phy = 0;
196
197 /* Give the user a chance to override the processing of this function */
198 if (cvmx_override_board_link_get)
199 return cvmx_override_board_link_get(ipd_port);
200
201 /* Unless we fix it later, all links are defaulted to down */
202 result.u64 = 0;
203
204 /*
205 * This switch statement should handle all ports that either don't use
206 * Marvell PHYS, or don't support in-band status.
207 */
208 switch (cvmx_sysinfo_get()->board_type) {
209 case CVMX_BOARD_TYPE_SIM:
210 /* The simulator gives you a simulated 1Gbps full duplex link */
211 result.s.link_up = 1;
212 result.s.full_duplex = 1;
213 result.s.speed = 1000;
214 return result;
215 case CVMX_BOARD_TYPE_EBH3100:
216 case CVMX_BOARD_TYPE_CN3010_EVB_HS5:
217 case CVMX_BOARD_TYPE_CN3005_EVB_HS5:
218 case CVMX_BOARD_TYPE_CN3020_EVB_HS5:
219 /* Port 1 on these boards is always Gigabit */
220 if (ipd_port == 1) {
221 result.s.link_up = 1;
222 result.s.full_duplex = 1;
223 result.s.speed = 1000;
224 return result;
225 }
226 /* Fall through to the generic code below */
227 break;
228 case CVMX_BOARD_TYPE_CUST_NB5:
229 /* Port 1 on these boards is always Gigabit */
230 if (ipd_port == 1) {
231 result.s.link_up = 1;
232 result.s.full_duplex = 1;
233 result.s.speed = 1000;
234 return result;
235 } else /* The other port uses a broadcom PHY */
236 is_broadcom_phy = 1;
237 break;
238 case CVMX_BOARD_TYPE_BBGW_REF:
239 /* Port 1 on these boards is always Gigabit */
240 if (ipd_port == 2) {
241 /* Port 2 is not hooked up */
242 result.u64 = 0;
243 return result;
244 } else {
245 /* Ports 0 and 1 connect to the switch */
246 result.s.link_up = 1;
247 result.s.full_duplex = 1;
248 result.s.speed = 1000;
249 return result;
250 }
251 break;
252 }
253
254 phy_addr = cvmx_helper_board_get_mii_address(ipd_port);
255 if (phy_addr != -1) {
256 if (is_broadcom_phy) {
257 /*
258 * Below we are going to read SMI/MDIO
259 * register 0x19 which works on Broadcom
260 * parts
261 */
262 int phy_status =
263 cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
264 0x19);
265 switch ((phy_status >> 8) & 0x7) {
266 case 0:
267 result.u64 = 0;
268 break;
269 case 1:
270 result.s.link_up = 1;
271 result.s.full_duplex = 0;
272 result.s.speed = 10;
273 break;
274 case 2:
275 result.s.link_up = 1;
276 result.s.full_duplex = 1;
277 result.s.speed = 10;
278 break;
279 case 3:
280 result.s.link_up = 1;
281 result.s.full_duplex = 0;
282 result.s.speed = 100;
283 break;
284 case 4:
285 result.s.link_up = 1;
286 result.s.full_duplex = 1;
287 result.s.speed = 100;
288 break;
289 case 5:
290 result.s.link_up = 1;
291 result.s.full_duplex = 1;
292 result.s.speed = 100;
293 break;
294 case 6:
295 result.s.link_up = 1;
296 result.s.full_duplex = 0;
297 result.s.speed = 1000;
298 break;
299 case 7:
300 result.s.link_up = 1;
301 result.s.full_duplex = 1;
302 result.s.speed = 1000;
303 break;
304 }
305 } else {
306 /*
307 * This code assumes we are using a Marvell
308 * Gigabit PHY. All the speed information can
309 * be read from register 17 in one
310 * go. Somebody using a different PHY will
311 * need to handle it above in the board
312 * specific area.
313 */
314 int phy_status =
315 cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, 17);
316
317 /*
318 * If the resolve bit 11 isn't set, see if
319 * autoneg is turned off (bit 12, reg 0). The
320 * resolve bit doesn't get set properly when
321 * autoneg is off, so force it.
322 */
323 if ((phy_status & (1 << 11)) == 0) {
324 int auto_status =
325 cvmx_mdio_read(phy_addr >> 8,
326 phy_addr & 0xff, 0);
327 if ((auto_status & (1 << 12)) == 0)
328 phy_status |= 1 << 11;
329 }
330
331 /*
332 * Only return a link if the PHY has finished
333 * auto negotiation and set the resolved bit
334 * (bit 11)
335 */
336 if (phy_status & (1 << 11)) {
337 result.s.link_up = 1;
338 result.s.full_duplex = ((phy_status >> 13) & 1);
339 switch ((phy_status >> 14) & 3) {
340 case 0: /* 10 Mbps */
341 result.s.speed = 10;
342 break;
343 case 1: /* 100 Mbps */
344 result.s.speed = 100;
345 break;
346 case 2: /* 1 Gbps */
347 result.s.speed = 1000;
348 break;
349 case 3: /* Illegal */
350 result.u64 = 0;
351 break;
352 }
353 }
354 }
355 } else if (OCTEON_IS_MODEL(OCTEON_CN3XXX)
356 || OCTEON_IS_MODEL(OCTEON_CN58XX)
357 || OCTEON_IS_MODEL(OCTEON_CN50XX)) {
358 /*
359 * We don't have a PHY address, so attempt to use
360 * in-band status. It is really important that boards
361 * not supporting in-band status never get
362 * here. Reading broken in-band status tends to do bad
363 * things
364 */
365 union cvmx_gmxx_rxx_rx_inbnd inband_status;
366 int interface = cvmx_helper_get_interface_num(ipd_port);
367 int index = cvmx_helper_get_interface_index_num(ipd_port);
368 inband_status.u64 =
369 cvmx_read_csr(CVMX_GMXX_RXX_RX_INBND(index, interface));
370
371 result.s.link_up = inband_status.s.status;
372 result.s.full_duplex = inband_status.s.duplex;
373 switch (inband_status.s.speed) {
374 case 0: /* 10 Mbps */
375 result.s.speed = 10;
376 break;
377 case 1: /* 100 Mbps */
378 result.s.speed = 100;
379 break;
380 case 2: /* 1 Gbps */
381 result.s.speed = 1000;
382 break;
383 case 3: /* Illegal */
384 result.u64 = 0;
385 break;
386 }
387 } else {
388 /*
389 * We don't have a PHY address and we don't have
390 * in-band status. There is no way to determine the
391 * link speed. Return down assuming this port isn't
392 * wired
393 */
394 result.u64 = 0;
395 }
396
397 /* If link is down, return all fields as zero. */
398 if (!result.s.link_up)
399 result.u64 = 0;
400
401 return result;
402 }
403
404 /**
405 * This function as a board specific method of changing the PHY
406 * speed, duplex, and auto-negotiation. This programs the PHY and
407 * not Octeon. This can be used to force Octeon's links to
408 * specific settings.
409 *
410 * @phy_addr: The address of the PHY to program
411 * @enable_autoneg:
412 * Non zero if you want to enable auto-negotiation.
413 * @link_info: Link speed to program. If the speed is zero and auto-negotiation
414 * is enabled, all possible negotiation speeds are advertised.
415 *
416 * Returns Zero on success, negative on failure
417 */
cvmx_helper_board_link_set_phy(int phy_addr,cvmx_helper_board_set_phy_link_flags_types_t link_flags,cvmx_helper_link_info_t link_info)418 int cvmx_helper_board_link_set_phy(int phy_addr,
419 cvmx_helper_board_set_phy_link_flags_types_t
420 link_flags,
421 cvmx_helper_link_info_t link_info)
422 {
423
424 /* Set the flow control settings based on link_flags */
425 if ((link_flags & set_phy_link_flags_flow_control_mask) !=
426 set_phy_link_flags_flow_control_dont_touch) {
427 cvmx_mdio_phy_reg_autoneg_adver_t reg_autoneg_adver;
428 reg_autoneg_adver.u16 =
429 cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
430 CVMX_MDIO_PHY_REG_AUTONEG_ADVER);
431 reg_autoneg_adver.s.asymmetric_pause =
432 (link_flags & set_phy_link_flags_flow_control_mask) ==
433 set_phy_link_flags_flow_control_enable;
434 reg_autoneg_adver.s.pause =
435 (link_flags & set_phy_link_flags_flow_control_mask) ==
436 set_phy_link_flags_flow_control_enable;
437 cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
438 CVMX_MDIO_PHY_REG_AUTONEG_ADVER,
439 reg_autoneg_adver.u16);
440 }
441
442 /* If speed isn't set and autoneg is on advertise all supported modes */
443 if ((link_flags & set_phy_link_flags_autoneg)
444 && (link_info.s.speed == 0)) {
445 cvmx_mdio_phy_reg_control_t reg_control;
446 cvmx_mdio_phy_reg_status_t reg_status;
447 cvmx_mdio_phy_reg_autoneg_adver_t reg_autoneg_adver;
448 cvmx_mdio_phy_reg_extended_status_t reg_extended_status;
449 cvmx_mdio_phy_reg_control_1000_t reg_control_1000;
450
451 reg_status.u16 =
452 cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
453 CVMX_MDIO_PHY_REG_STATUS);
454 reg_autoneg_adver.u16 =
455 cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
456 CVMX_MDIO_PHY_REG_AUTONEG_ADVER);
457 reg_autoneg_adver.s.advert_100base_t4 =
458 reg_status.s.capable_100base_t4;
459 reg_autoneg_adver.s.advert_10base_tx_full =
460 reg_status.s.capable_10_full;
461 reg_autoneg_adver.s.advert_10base_tx_half =
462 reg_status.s.capable_10_half;
463 reg_autoneg_adver.s.advert_100base_tx_full =
464 reg_status.s.capable_100base_x_full;
465 reg_autoneg_adver.s.advert_100base_tx_half =
466 reg_status.s.capable_100base_x_half;
467 cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
468 CVMX_MDIO_PHY_REG_AUTONEG_ADVER,
469 reg_autoneg_adver.u16);
470 if (reg_status.s.capable_extended_status) {
471 reg_extended_status.u16 =
472 cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
473 CVMX_MDIO_PHY_REG_EXTENDED_STATUS);
474 reg_control_1000.u16 =
475 cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
476 CVMX_MDIO_PHY_REG_CONTROL_1000);
477 reg_control_1000.s.advert_1000base_t_full =
478 reg_extended_status.s.capable_1000base_t_full;
479 reg_control_1000.s.advert_1000base_t_half =
480 reg_extended_status.s.capable_1000base_t_half;
481 cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
482 CVMX_MDIO_PHY_REG_CONTROL_1000,
483 reg_control_1000.u16);
484 }
485 reg_control.u16 =
486 cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
487 CVMX_MDIO_PHY_REG_CONTROL);
488 reg_control.s.autoneg_enable = 1;
489 reg_control.s.restart_autoneg = 1;
490 cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
491 CVMX_MDIO_PHY_REG_CONTROL, reg_control.u16);
492 } else if ((link_flags & set_phy_link_flags_autoneg)) {
493 cvmx_mdio_phy_reg_control_t reg_control;
494 cvmx_mdio_phy_reg_status_t reg_status;
495 cvmx_mdio_phy_reg_autoneg_adver_t reg_autoneg_adver;
496 cvmx_mdio_phy_reg_extended_status_t reg_extended_status;
497 cvmx_mdio_phy_reg_control_1000_t reg_control_1000;
498
499 reg_status.u16 =
500 cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
501 CVMX_MDIO_PHY_REG_STATUS);
502 reg_autoneg_adver.u16 =
503 cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
504 CVMX_MDIO_PHY_REG_AUTONEG_ADVER);
505 reg_autoneg_adver.s.advert_100base_t4 = 0;
506 reg_autoneg_adver.s.advert_10base_tx_full = 0;
507 reg_autoneg_adver.s.advert_10base_tx_half = 0;
508 reg_autoneg_adver.s.advert_100base_tx_full = 0;
509 reg_autoneg_adver.s.advert_100base_tx_half = 0;
510 if (reg_status.s.capable_extended_status) {
511 reg_extended_status.u16 =
512 cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
513 CVMX_MDIO_PHY_REG_EXTENDED_STATUS);
514 reg_control_1000.u16 =
515 cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
516 CVMX_MDIO_PHY_REG_CONTROL_1000);
517 reg_control_1000.s.advert_1000base_t_full = 0;
518 reg_control_1000.s.advert_1000base_t_half = 0;
519 }
520 switch (link_info.s.speed) {
521 case 10:
522 reg_autoneg_adver.s.advert_10base_tx_full =
523 link_info.s.full_duplex;
524 reg_autoneg_adver.s.advert_10base_tx_half =
525 !link_info.s.full_duplex;
526 break;
527 case 100:
528 reg_autoneg_adver.s.advert_100base_tx_full =
529 link_info.s.full_duplex;
530 reg_autoneg_adver.s.advert_100base_tx_half =
531 !link_info.s.full_duplex;
532 break;
533 case 1000:
534 reg_control_1000.s.advert_1000base_t_full =
535 link_info.s.full_duplex;
536 reg_control_1000.s.advert_1000base_t_half =
537 !link_info.s.full_duplex;
538 break;
539 }
540 cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
541 CVMX_MDIO_PHY_REG_AUTONEG_ADVER,
542 reg_autoneg_adver.u16);
543 if (reg_status.s.capable_extended_status)
544 cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
545 CVMX_MDIO_PHY_REG_CONTROL_1000,
546 reg_control_1000.u16);
547 reg_control.u16 =
548 cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
549 CVMX_MDIO_PHY_REG_CONTROL);
550 reg_control.s.autoneg_enable = 1;
551 reg_control.s.restart_autoneg = 1;
552 cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
553 CVMX_MDIO_PHY_REG_CONTROL, reg_control.u16);
554 } else {
555 cvmx_mdio_phy_reg_control_t reg_control;
556 reg_control.u16 =
557 cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
558 CVMX_MDIO_PHY_REG_CONTROL);
559 reg_control.s.autoneg_enable = 0;
560 reg_control.s.restart_autoneg = 1;
561 reg_control.s.duplex = link_info.s.full_duplex;
562 if (link_info.s.speed == 1000) {
563 reg_control.s.speed_msb = 1;
564 reg_control.s.speed_lsb = 0;
565 } else if (link_info.s.speed == 100) {
566 reg_control.s.speed_msb = 0;
567 reg_control.s.speed_lsb = 1;
568 } else if (link_info.s.speed == 10) {
569 reg_control.s.speed_msb = 0;
570 reg_control.s.speed_lsb = 0;
571 }
572 cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
573 CVMX_MDIO_PHY_REG_CONTROL, reg_control.u16);
574 }
575 return 0;
576 }
577
578 /**
579 * This function is called by cvmx_helper_interface_probe() after it
580 * determines the number of ports Octeon can support on a specific
581 * interface. This function is the per board location to override
582 * this value. It is called with the number of ports Octeon might
583 * support and should return the number of actual ports on the
584 * board.
585 *
586 * This function must be modifed for every new Octeon board.
587 * Internally it uses switch statements based on the cvmx_sysinfo
588 * data to determine board types and revisions. It relys on the
589 * fact that every Octeon board receives a unique board type
590 * enumeration from the bootloader.
591 *
592 * @interface: Interface to probe
593 * @supported_ports:
594 * Number of ports Octeon supports.
595 *
596 * Returns Number of ports the actual board supports. Many times this will
597 * simple be "support_ports".
598 */
__cvmx_helper_board_interface_probe(int interface,int supported_ports)599 int __cvmx_helper_board_interface_probe(int interface, int supported_ports)
600 {
601 switch (cvmx_sysinfo_get()->board_type) {
602 case CVMX_BOARD_TYPE_CN3005_EVB_HS5:
603 if (interface == 0)
604 return 2;
605 break;
606 case CVMX_BOARD_TYPE_BBGW_REF:
607 if (interface == 0)
608 return 2;
609 break;
610 case CVMX_BOARD_TYPE_NIC_XLE_4G:
611 if (interface == 0)
612 return 0;
613 break;
614 /* The 2nd interface on the EBH5600 is connected to the Marvel switch,
615 which we don't support. Disable ports connected to it */
616 case CVMX_BOARD_TYPE_EBH5600:
617 if (interface == 1)
618 return 0;
619 break;
620 }
621 return supported_ports;
622 }
623
624 /**
625 * Enable packet input/output from the hardware. This function is
626 * called after by cvmx_helper_packet_hardware_enable() to
627 * perform board specific initialization. For most boards
628 * nothing is needed.
629 *
630 * @interface: Interface to enable
631 *
632 * Returns Zero on success, negative on failure
633 */
__cvmx_helper_board_hardware_enable(int interface)634 int __cvmx_helper_board_hardware_enable(int interface)
635 {
636 if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_CN3005_EVB_HS5) {
637 if (interface == 0) {
638 /* Different config for switch port */
639 cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(1, interface), 0);
640 cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(1, interface), 0);
641 /*
642 * Boards with gigabit WAN ports need a
643 * different setting that is compatible with
644 * 100 Mbit settings
645 */
646 cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(0, interface),
647 0xc);
648 cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(0, interface),
649 0xc);
650 }
651 } else if (cvmx_sysinfo_get()->board_type ==
652 CVMX_BOARD_TYPE_CN3010_EVB_HS5) {
653 /*
654 * Broadcom PHYs require differnet ASX
655 * clocks. Unfortunately many boards don't define a
656 * new board Id and simply mangle the
657 * CN3010_EVB_HS5
658 */
659 if (interface == 0) {
660 /*
661 * Some boards use a hacked up bootloader that
662 * identifies them as CN3010_EVB_HS5
663 * evaluation boards. This leads to all kinds
664 * of configuration problems. Detect one
665 * case, and print warning, while trying to do
666 * the right thing.
667 */
668 int phy_addr = cvmx_helper_board_get_mii_address(0);
669 if (phy_addr != -1) {
670 int phy_identifier =
671 cvmx_mdio_read(phy_addr >> 8,
672 phy_addr & 0xff, 0x2);
673 /* Is it a Broadcom PHY? */
674 if (phy_identifier == 0x0143) {
675 cvmx_dprintf("\n");
676 cvmx_dprintf("ERROR:\n");
677 cvmx_dprintf
678 ("ERROR: Board type is CVMX_BOARD_TYPE_CN3010_EVB_HS5, but Broadcom PHY found.\n");
679 cvmx_dprintf
680 ("ERROR: The board type is mis-configured, and software malfunctions are likely.\n");
681 cvmx_dprintf
682 ("ERROR: All boards require a unique board type to identify them.\n");
683 cvmx_dprintf("ERROR:\n");
684 cvmx_dprintf("\n");
685 cvmx_wait(1000000000);
686 cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX
687 (0, interface), 5);
688 cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX
689 (0, interface), 5);
690 }
691 }
692 }
693 }
694 return 0;
695 }
696