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Commit | Line | Data |
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c609719b | 1 | /* |
d4ca31c4 | 2 | * (C) Copyright 2001-2004 |
c609719b WD |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | #include <common.h> | |
25 | #include <command.h> | |
26 | #include <net.h> | |
d9785c14 | 27 | #include <miiphy.h> |
c609719b | 28 | |
3f6e6993 MF |
29 | #ifdef CONFIG_CMD_NET |
30 | void eth_parse_enetaddr(const char *addr, uchar *enetaddr) | |
31 | { | |
32 | char *end; | |
33 | int i; | |
34 | ||
35 | for (i = 0; i < 6; ++i) { | |
36 | enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0; | |
37 | if (addr) | |
38 | addr = (*end) ? end + 1 : end; | |
39 | } | |
40 | } | |
41 | ||
42 | int eth_getenv_enetaddr(char *name, uchar *enetaddr) | |
43 | { | |
44 | eth_parse_enetaddr(getenv(name), enetaddr); | |
45 | return is_valid_ether_addr(enetaddr); | |
46 | } | |
47 | ||
48 | int eth_setenv_enetaddr(char *name, const uchar *enetaddr) | |
49 | { | |
50 | char buf[20]; | |
51 | ||
52 | sprintf(buf, "%pM", enetaddr); | |
53 | ||
54 | return setenv(name, buf); | |
55 | } | |
56 | #endif | |
57 | ||
643d1ab2 | 58 | #if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI) |
c609719b | 59 | |
2f70c49e HS |
60 | static char *act = NULL; |
61 | static int env_changed_id = 0; | |
62 | ||
dd35479a BW |
63 | /* |
64 | * CPU and board-specific Ethernet initializations. Aliased function | |
65 | * signals caller to move on | |
66 | */ | |
67 | static int __def_eth_init(bd_t *bis) | |
68 | { | |
69 | return -1; | |
70 | } | |
f9a109b3 PT |
71 | int cpu_eth_init(bd_t *bis) __attribute__((weak, alias("__def_eth_init"))); |
72 | int board_eth_init(bd_t *bis) __attribute__((weak, alias("__def_eth_init"))); | |
dd35479a | 73 | |
3a473b2a WD |
74 | extern int mv6436x_eth_initialize(bd_t *); |
75 | extern int mv6446x_eth_initialize(bd_t *); | |
c609719b | 76 | |
f85b6071 RJ |
77 | #ifdef CONFIG_API |
78 | extern void (*push_packet)(volatile void *, int); | |
79 | ||
80 | static struct { | |
81 | uchar data[PKTSIZE]; | |
82 | int length; | |
83 | } eth_rcv_bufs[PKTBUFSRX]; | |
84 | ||
85 | static unsigned int eth_rcv_current = 0, eth_rcv_last = 0; | |
86 | #endif | |
87 | ||
c609719b WD |
88 | static struct eth_device *eth_devices, *eth_current; |
89 | ||
90 | struct eth_device *eth_get_dev(void) | |
91 | { | |
92 | return eth_current; | |
93 | } | |
94 | ||
63ff004c MB |
95 | struct eth_device *eth_get_dev_by_name(char *devname) |
96 | { | |
97 | struct eth_device *dev, *target_dev; | |
98 | ||
99 | if (!eth_devices) | |
100 | return NULL; | |
101 | ||
102 | dev = eth_devices; | |
103 | target_dev = NULL; | |
104 | do { | |
105 | if (strcmp(devname, dev->name) == 0) { | |
106 | target_dev = dev; | |
107 | break; | |
108 | } | |
109 | dev = dev->next; | |
110 | } while (dev != eth_devices); | |
111 | ||
112 | return target_dev; | |
113 | } | |
114 | ||
9e56986a AF |
115 | struct eth_device *eth_get_dev_by_index(int index) |
116 | { | |
117 | struct eth_device *dev, *target_dev; | |
118 | int idx = 0; | |
119 | ||
120 | if (!eth_devices) | |
121 | return NULL; | |
122 | ||
123 | dev = eth_devices; | |
124 | target_dev = NULL; | |
125 | do { | |
126 | if (idx == index) { | |
127 | target_dev = dev; | |
128 | break; | |
129 | } | |
130 | dev = dev->next; | |
131 | idx++; | |
132 | } while (dev != eth_devices); | |
133 | ||
134 | return target_dev; | |
135 | } | |
136 | ||
c609719b WD |
137 | int eth_get_dev_index (void) |
138 | { | |
139 | struct eth_device *dev; | |
140 | int num = 0; | |
141 | ||
142 | if (!eth_devices) { | |
143 | return (-1); | |
144 | } | |
145 | ||
146 | for (dev = eth_devices; dev; dev = dev->next) { | |
147 | if (dev == eth_current) | |
148 | break; | |
149 | ++num; | |
150 | } | |
151 | ||
152 | if (dev) { | |
153 | return (num); | |
154 | } | |
155 | ||
156 | return (0); | |
157 | } | |
158 | ||
159 | int eth_register(struct eth_device* dev) | |
160 | { | |
161 | struct eth_device *d; | |
162 | ||
163 | if (!eth_devices) { | |
164 | eth_current = eth_devices = dev; | |
a3d991bd WD |
165 | #ifdef CONFIG_NET_MULTI |
166 | /* update current ethernet name */ | |
167 | { | |
168 | char *act = getenv("ethact"); | |
169 | if (act == NULL || strcmp(act, eth_current->name) != 0) | |
170 | setenv("ethact", eth_current->name); | |
171 | } | |
172 | #endif | |
c609719b WD |
173 | } else { |
174 | for (d=eth_devices; d->next!=eth_devices; d=d->next); | |
175 | d->next = dev; | |
176 | } | |
177 | ||
178 | dev->state = ETH_STATE_INIT; | |
179 | dev->next = eth_devices; | |
180 | ||
181 | return 0; | |
182 | } | |
183 | ||
184 | int eth_initialize(bd_t *bis) | |
185 | { | |
5ca2d095 SK |
186 | char enetvar[32]; |
187 | unsigned char env_enetaddr[6]; | |
3f6e6993 | 188 | int eth_number = 0; |
c609719b WD |
189 | |
190 | eth_devices = NULL; | |
191 | eth_current = NULL; | |
192 | ||
fad63407 | 193 | show_boot_progress (64); |
643d1ab2 | 194 | #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) |
d9785c14 MB |
195 | miiphy_init(); |
196 | #endif | |
dd35479a BW |
197 | /* Try board-specific initialization first. If it fails or isn't |
198 | * present, try the cpu-specific initialization */ | |
199 | if (board_eth_init(bis) < 0) | |
200 | cpu_eth_init(bis); | |
d9785c14 | 201 | |
1eac2a71 | 202 | #if defined(CONFIG_DB64360) || defined(CONFIG_CPCI750) |
3a473b2a WD |
203 | mv6436x_eth_initialize(bis); |
204 | #endif | |
1eac2a71 | 205 | #if defined(CONFIG_DB64460) || defined(CONFIG_P3Mx) |
3a473b2a | 206 | mv6446x_eth_initialize(bis); |
c68a05fe | 207 | #endif |
c609719b WD |
208 | if (!eth_devices) { |
209 | puts ("No ethernet found.\n"); | |
fad63407 | 210 | show_boot_progress (-64); |
c609719b WD |
211 | } else { |
212 | struct eth_device *dev = eth_devices; | |
213 | char *ethprime = getenv ("ethprime"); | |
214 | ||
fad63407 | 215 | show_boot_progress (65); |
c609719b WD |
216 | do { |
217 | if (eth_number) | |
218 | puts (", "); | |
219 | ||
220 | printf("%s", dev->name); | |
221 | ||
222 | if (ethprime && strcmp (dev->name, ethprime) == 0) { | |
223 | eth_current = dev; | |
224 | puts (" [PRIME]"); | |
225 | } | |
226 | ||
227 | sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number); | |
3f6e6993 | 228 | eth_getenv_enetaddr(enetvar, env_enetaddr); |
c609719b WD |
229 | |
230 | if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) { | |
231 | if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) && | |
232 | memcmp(dev->enetaddr, env_enetaddr, 6)) | |
233 | { | |
baac607c WD |
234 | printf ("\nWarning: %s MAC addresses don't match:\n", |
235 | dev->name); | |
3f6e6993 MF |
236 | printf ("Address in SROM is %pM\n", |
237 | dev->enetaddr); | |
238 | printf ("Address in environment is %pM\n", | |
239 | env_enetaddr); | |
c609719b WD |
240 | } |
241 | ||
242 | memcpy(dev->enetaddr, env_enetaddr, 6); | |
243 | } | |
244 | ||
245 | eth_number++; | |
246 | dev = dev->next; | |
247 | } while(dev != eth_devices); | |
248 | ||
a3d991bd WD |
249 | #ifdef CONFIG_NET_MULTI |
250 | /* update current ethernet name */ | |
251 | if (eth_current) { | |
252 | char *act = getenv("ethact"); | |
253 | if (act == NULL || strcmp(act, eth_current->name) != 0) | |
254 | setenv("ethact", eth_current->name); | |
255 | } else | |
256 | setenv("ethact", NULL); | |
257 | #endif | |
258 | ||
c609719b WD |
259 | putc ('\n'); |
260 | } | |
261 | ||
262 | return eth_number; | |
263 | } | |
264 | ||
265 | void eth_set_enetaddr(int num, char *addr) { | |
266 | struct eth_device *dev; | |
267 | unsigned char enetaddr[6]; | |
c609719b | 268 | |
d4ca31c4 WD |
269 | debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr); |
270 | ||
c609719b WD |
271 | if (!eth_devices) |
272 | return; | |
273 | ||
3f6e6993 | 274 | eth_parse_enetaddr(addr, enetaddr); |
c609719b WD |
275 | |
276 | dev = eth_devices; | |
277 | while(num-- > 0) { | |
278 | dev = dev->next; | |
279 | ||
280 | if (dev == eth_devices) | |
281 | return; | |
282 | } | |
283 | ||
d4ca31c4 | 284 | debug ( "Setting new HW address on %s\n" |
3f6e6993 MF |
285 | "New Address is %pM\n", |
286 | dev->name, enetaddr); | |
c609719b WD |
287 | |
288 | memcpy(dev->enetaddr, enetaddr, 6); | |
289 | } | |
53a5c424 DU |
290 | #ifdef CONFIG_MCAST_TFTP |
291 | /* Multicast. | |
292 | * mcast_addr: multicast ipaddr from which multicast Mac is made | |
85eb5caf | 293 | * join: 1=join, 0=leave. |
53a5c424 DU |
294 | */ |
295 | int eth_mcast_join( IPaddr_t mcast_ip, u8 join) | |
296 | { | |
297 | u8 mcast_mac[6]; | |
85eb5caf | 298 | if (!eth_current || !eth_current->mcast) |
53a5c424 DU |
299 | return -1; |
300 | mcast_mac[5] = htonl(mcast_ip) & 0xff; | |
301 | mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff; | |
302 | mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f; | |
303 | mcast_mac[2] = 0x5e; | |
304 | mcast_mac[1] = 0x0; | |
305 | mcast_mac[0] = 0x1; | |
306 | return eth_current->mcast(eth_current, mcast_mac, join); | |
307 | } | |
308 | ||
85eb5caf WD |
309 | /* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c |
310 | * and this is the ethernet-crc method needed for TSEC -- and perhaps | |
53a5c424 DU |
311 | * some other adapter -- hash tables |
312 | */ | |
313 | #define CRCPOLY_LE 0xedb88320 | |
314 | u32 ether_crc (size_t len, unsigned char const *p) | |
315 | { | |
316 | int i; | |
317 | u32 crc; | |
318 | crc = ~0; | |
319 | while (len--) { | |
320 | crc ^= *p++; | |
321 | for (i = 0; i < 8; i++) | |
322 | crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0); | |
323 | } | |
324 | /* an reverse the bits, cuz of way they arrive -- last-first */ | |
325 | crc = (crc >> 16) | (crc << 16); | |
326 | crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00); | |
327 | crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0); | |
328 | crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc); | |
329 | crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa); | |
330 | return crc; | |
331 | } | |
332 | ||
333 | #endif | |
334 | ||
c609719b WD |
335 | |
336 | int eth_init(bd_t *bis) | |
337 | { | |
338 | struct eth_device* old_current; | |
339 | ||
6bc11388 SR |
340 | if (!eth_current) { |
341 | puts ("No ethernet found.\n"); | |
505be87a | 342 | return -1; |
6bc11388 | 343 | } |
c609719b WD |
344 | |
345 | old_current = eth_current; | |
346 | do { | |
d4ca31c4 | 347 | debug ("Trying %s\n", eth_current->name); |
c609719b | 348 | |
422b1a01 | 349 | if (eth_current->init(eth_current,bis) >= 0) { |
c609719b WD |
350 | eth_current->state = ETH_STATE_ACTIVE; |
351 | ||
505be87a | 352 | return 0; |
c609719b | 353 | } |
d4ca31c4 | 354 | debug ("FAIL\n"); |
c609719b WD |
355 | |
356 | eth_try_another(0); | |
357 | } while (old_current != eth_current); | |
358 | ||
505be87a | 359 | return -1; |
c609719b WD |
360 | } |
361 | ||
362 | void eth_halt(void) | |
363 | { | |
364 | if (!eth_current) | |
365 | return; | |
366 | ||
367 | eth_current->halt(eth_current); | |
368 | ||
369 | eth_current->state = ETH_STATE_PASSIVE; | |
370 | } | |
371 | ||
372 | int eth_send(volatile void *packet, int length) | |
373 | { | |
374 | if (!eth_current) | |
375 | return -1; | |
376 | ||
377 | return eth_current->send(eth_current, packet, length); | |
378 | } | |
379 | ||
380 | int eth_rx(void) | |
381 | { | |
382 | if (!eth_current) | |
383 | return -1; | |
384 | ||
385 | return eth_current->recv(eth_current); | |
386 | } | |
387 | ||
f85b6071 RJ |
388 | #ifdef CONFIG_API |
389 | static void eth_save_packet(volatile void *packet, int length) | |
390 | { | |
391 | volatile char *p = packet; | |
392 | int i; | |
393 | ||
394 | if ((eth_rcv_last+1) % PKTBUFSRX == eth_rcv_current) | |
395 | return; | |
396 | ||
397 | if (PKTSIZE < length) | |
398 | return; | |
399 | ||
400 | for (i = 0; i < length; i++) | |
401 | eth_rcv_bufs[eth_rcv_last].data[i] = p[i]; | |
402 | ||
403 | eth_rcv_bufs[eth_rcv_last].length = length; | |
404 | eth_rcv_last = (eth_rcv_last + 1) % PKTBUFSRX; | |
405 | } | |
406 | ||
407 | int eth_receive(volatile void *packet, int length) | |
408 | { | |
409 | volatile char *p = packet; | |
410 | void *pp = push_packet; | |
411 | int i; | |
412 | ||
413 | if (eth_rcv_current == eth_rcv_last) { | |
414 | push_packet = eth_save_packet; | |
415 | eth_rx(); | |
416 | push_packet = pp; | |
417 | ||
418 | if (eth_rcv_current == eth_rcv_last) | |
419 | return -1; | |
420 | } | |
421 | ||
422 | if (length < eth_rcv_bufs[eth_rcv_current].length) | |
423 | return -1; | |
424 | ||
425 | length = eth_rcv_bufs[eth_rcv_current].length; | |
426 | ||
427 | for (i = 0; i < length; i++) | |
428 | p[i] = eth_rcv_bufs[eth_rcv_current].data[i]; | |
429 | ||
430 | eth_rcv_current = (eth_rcv_current + 1) % PKTBUFSRX; | |
431 | return length; | |
432 | } | |
433 | #endif /* CONFIG_API */ | |
434 | ||
c609719b WD |
435 | void eth_try_another(int first_restart) |
436 | { | |
437 | static struct eth_device *first_failed = NULL; | |
e1692577 MF |
438 | char *ethrotate; |
439 | ||
440 | /* | |
441 | * Do not rotate between network interfaces when | |
442 | * 'ethrotate' variable is set to 'no'. | |
443 | */ | |
444 | if (((ethrotate = getenv ("ethrotate")) != NULL) && | |
445 | (strcmp(ethrotate, "no") == 0)) | |
446 | return; | |
c609719b WD |
447 | |
448 | if (!eth_current) | |
449 | return; | |
450 | ||
baac607c | 451 | if (first_restart) { |
c609719b WD |
452 | first_failed = eth_current; |
453 | } | |
454 | ||
455 | eth_current = eth_current->next; | |
456 | ||
a3d991bd WD |
457 | #ifdef CONFIG_NET_MULTI |
458 | /* update current ethernet name */ | |
459 | { | |
460 | char *act = getenv("ethact"); | |
461 | if (act == NULL || strcmp(act, eth_current->name) != 0) | |
462 | setenv("ethact", eth_current->name); | |
463 | } | |
464 | #endif | |
465 | ||
baac607c | 466 | if (first_failed == eth_current) { |
c609719b WD |
467 | NetRestartWrap = 1; |
468 | } | |
469 | } | |
470 | ||
a3d991bd WD |
471 | #ifdef CONFIG_NET_MULTI |
472 | void eth_set_current(void) | |
473 | { | |
a3d991bd | 474 | struct eth_device* old_current; |
2f70c49e | 475 | int env_id; |
a3d991bd WD |
476 | |
477 | if (!eth_current) /* XXX no current */ | |
478 | return; | |
479 | ||
2f70c49e HS |
480 | env_id = get_env_id(); |
481 | if ((act == NULL) || (env_changed_id != env_id)) { | |
482 | act = getenv("ethact"); | |
483 | env_changed_id = env_id; | |
484 | } | |
a3d991bd WD |
485 | if (act != NULL) { |
486 | old_current = eth_current; | |
487 | do { | |
488 | if (strcmp(eth_current->name, act) == 0) | |
489 | return; | |
490 | eth_current = eth_current->next; | |
491 | } while (old_current != eth_current); | |
492 | } | |
493 | ||
494 | setenv("ethact", eth_current->name); | |
495 | } | |
496 | #endif | |
497 | ||
5bb226e8 WD |
498 | char *eth_get_name (void) |
499 | { | |
500 | return (eth_current ? eth_current->name : "unknown"); | |
501 | } | |
643d1ab2 | 502 | #elif defined(CONFIG_CMD_NET) && !defined(CONFIG_NET_MULTI) |
63ff004c MB |
503 | |
504 | extern int at91rm9200_miiphy_initialize(bd_t *bis); | |
505 | extern int emac4xx_miiphy_initialize(bd_t *bis); | |
506 | extern int mcf52x2_miiphy_initialize(bd_t *bis); | |
507 | extern int ns7520_miiphy_initialize(bd_t *bis); | |
d6e04258 | 508 | extern int davinci_eth_miiphy_initialize(bd_t *bis); |
c74b2108 | 509 | |
63ff004c MB |
510 | |
511 | int eth_initialize(bd_t *bis) | |
512 | { | |
643d1ab2 | 513 | #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) |
d9785c14 MB |
514 | miiphy_init(); |
515 | #endif | |
516 | ||
63ff004c MB |
517 | #if defined(CONFIG_AT91RM9200) |
518 | at91rm9200_miiphy_initialize(bis); | |
519 | #endif | |
96e21f86 | 520 | #if defined(CONFIG_PPC4xx_EMAC) |
63ff004c MB |
521 | emac4xx_miiphy_initialize(bis); |
522 | #endif | |
523 | #if defined(CONFIG_MCF52x2) | |
524 | mcf52x2_miiphy_initialize(bis); | |
525 | #endif | |
25dbe98a | 526 | #if defined(CONFIG_DRIVER_NS7520_ETHERNET) |
63ff004c | 527 | ns7520_miiphy_initialize(bis); |
c74b2108 SK |
528 | #endif |
529 | #if defined(CONFIG_DRIVER_TI_EMAC) | |
fcaac589 | 530 | davinci_eth_miiphy_initialize(bis); |
63ff004c MB |
531 | #endif |
532 | return 0; | |
533 | } | |
c609719b | 534 | #endif |