2 * (C) Copyright 2001-2004
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
29 #if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI)
32 extern int gt6426x_eth_initialize(bd_t *bis);
35 extern int au1x00_enet_initialize(bd_t*);
36 extern int dc21x4x_initialize(bd_t*);
37 extern int e1000_initialize(bd_t*);
38 extern int eepro100_initialize(bd_t*);
39 extern int eth_3com_initialize(bd_t*);
40 extern int fec_initialize(bd_t*);
41 extern int inca_switch_initialize(bd_t*);
42 extern int mpc5xxx_fec_initialize(bd_t*);
43 extern int mpc512x_fec_initialize(bd_t*);
44 extern int mpc8220_fec_initialize(bd_t*);
45 extern int mv6436x_eth_initialize(bd_t *);
46 extern int mv6446x_eth_initialize(bd_t *);
47 extern int natsemi_initialize(bd_t*);
48 extern int ns8382x_initialize(bd_t*);
49 extern int pcnet_initialize(bd_t*);
50 extern int plb2800_eth_initialize(bd_t*);
51 extern int ppc_4xx_eth_initialize(bd_t *);
52 extern int rtl8139_initialize(bd_t*);
53 extern int rtl8169_initialize(bd_t*);
54 extern int scc_initialize(bd_t*);
55 extern int skge_initialize(bd_t*);
56 extern int tsi108_eth_initialize(bd_t*);
57 extern int uli526x_initialize(bd_t *);
58 extern int tsec_initialize(bd_t*, int, char *);
59 extern int npe_initialize(bd_t *);
60 extern int uec_initialize(int);
61 extern int bfin_EMAC_initialize(bd_t *);
62 extern int atstk1000_eth_initialize(bd_t *);
63 extern int atngw100_eth_initialize(bd_t *);
64 extern int mcffec_initialize(bd_t*);
65 extern int mcdmafec_initialize(bd_t*);
66 extern int at91sam9_eth_initialize(bd_t *);
69 extern void (*push_packet)(volatile void *, int);
74 } eth_rcv_bufs[PKTBUFSRX];
76 static unsigned int eth_rcv_current = 0, eth_rcv_last = 0;
79 static struct eth_device *eth_devices, *eth_current;
81 struct eth_device *eth_get_dev(void)
86 struct eth_device *eth_get_dev_by_name(char *devname)
88 struct eth_device *dev, *target_dev;
96 if (strcmp(devname, dev->name) == 0) {
101 } while (dev != eth_devices);
106 int eth_get_dev_index (void)
108 struct eth_device *dev;
115 for (dev = eth_devices; dev; dev = dev->next) {
116 if (dev == eth_current)
128 int eth_register(struct eth_device* dev)
130 struct eth_device *d;
133 eth_current = eth_devices = dev;
134 #ifdef CONFIG_NET_MULTI
135 /* update current ethernet name */
137 char *act = getenv("ethact");
138 if (act == NULL || strcmp(act, eth_current->name) != 0)
139 setenv("ethact", eth_current->name);
143 for (d=eth_devices; d->next!=eth_devices; d=d->next);
147 dev->state = ETH_STATE_INIT;
148 dev->next = eth_devices;
153 int eth_initialize(bd_t *bis)
156 unsigned char env_enetaddr[6];
157 int i, eth_number = 0;
163 show_boot_progress (64);
164 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
168 #if defined(CONFIG_DB64360) || defined(CONFIG_CPCI750)
169 mv6436x_eth_initialize(bis);
171 #if defined(CONFIG_DB64460) || defined(CONFIG_P3Mx)
172 mv6446x_eth_initialize(bis);
174 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) && !defined(CONFIG_AP1000)
175 ppc_4xx_eth_initialize(bis);
177 #ifdef CONFIG_INCA_IP_SWITCH
178 inca_switch_initialize(bis);
180 #ifdef CONFIG_PLB2800_ETHER
181 plb2800_eth_initialize(bis);
186 #if defined(CONFIG_MPC5xxx_FEC)
187 mpc5xxx_fec_initialize(bis);
189 #if defined(CONFIG_MPC512x_FEC)
190 mpc512x_fec_initialize (bis);
192 #if defined(CONFIG_MPC8220_FEC)
193 mpc8220_fec_initialize(bis);
195 #if defined(CONFIG_SK98)
196 skge_initialize(bis);
198 #if defined(CONFIG_TSEC1)
199 tsec_initialize(bis, 0, CONFIG_TSEC1_NAME);
201 #if defined(CONFIG_TSEC2)
202 tsec_initialize(bis, 1, CONFIG_TSEC2_NAME);
204 #if defined(CONFIG_MPC85XX_FEC)
205 tsec_initialize(bis, 2, CONFIG_MPC85XX_FEC_NAME);
207 # if defined(CONFIG_TSEC3)
208 tsec_initialize(bis, 2, CONFIG_TSEC3_NAME);
210 # if defined(CONFIG_TSEC4)
211 tsec_initialize(bis, 3, CONFIG_TSEC4_NAME);
214 #if defined(CONFIG_UEC_ETH1)
217 #if defined(CONFIG_UEC_ETH2)
220 #if defined(CONFIG_UEC_ETH3)
223 #if defined(CONFIG_UEC_ETH4)
227 #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
230 #if defined(CONFIG_AU1X00)
231 au1x00_enet_initialize(bis);
233 #if defined(CONFIG_IXP4XX_NPE)
237 e1000_initialize(bis);
239 #ifdef CONFIG_EEPRO100
240 eepro100_initialize(bis);
243 dc21x4x_initialize(bis);
246 eth_3com_initialize(bis);
249 pcnet_initialize(bis);
252 gt6426x_eth_initialize(bis);
254 #ifdef CONFIG_NATSEMI
255 natsemi_initialize(bis);
257 #ifdef CONFIG_NS8382X
258 ns8382x_initialize(bis);
260 #if defined(CONFIG_TSI108_ETH)
261 tsi108_eth_initialize(bis);
263 #if defined(CONFIG_ULI526X)
264 uli526x_initialize(bis);
266 #if defined(CONFIG_RTL8139)
267 rtl8139_initialize(bis);
269 #if defined(CONFIG_RTL8169)
270 rtl8169_initialize(bis);
272 #if defined(CONFIG_BF537)
273 bfin_EMAC_initialize(bis);
275 #if defined(CONFIG_ATSTK1000)
276 atstk1000_eth_initialize(bis);
278 #if defined(CONFIG_ATNGW100)
279 atngw100_eth_initialize(bis);
281 #if defined(CONFIG_MCFFEC)
282 mcffec_initialize(bis);
284 #if defined(CONFIG_FSLDMAFEC)
285 mcdmafec_initialize(bis);
287 #if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260)
288 at91sam9_eth_initialize(bis);
292 puts ("No ethernet found.\n");
293 show_boot_progress (-64);
295 struct eth_device *dev = eth_devices;
296 char *ethprime = getenv ("ethprime");
298 show_boot_progress (65);
303 printf("%s", dev->name);
305 if (ethprime && strcmp (dev->name, ethprime) == 0) {
310 sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number);
311 tmp = getenv (enetvar);
313 for (i=0; i<6; i++) {
314 env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
316 tmp = (*end) ? end+1 : end;
319 if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
320 if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
321 memcmp(dev->enetaddr, env_enetaddr, 6))
323 printf ("\nWarning: %s MAC addresses don't match:\n",
325 printf ("Address in SROM is "
326 "%02X:%02X:%02X:%02X:%02X:%02X\n",
327 dev->enetaddr[0], dev->enetaddr[1],
328 dev->enetaddr[2], dev->enetaddr[3],
329 dev->enetaddr[4], dev->enetaddr[5]);
330 printf ("Address in environment is "
331 "%02X:%02X:%02X:%02X:%02X:%02X\n",
332 env_enetaddr[0], env_enetaddr[1],
333 env_enetaddr[2], env_enetaddr[3],
334 env_enetaddr[4], env_enetaddr[5]);
337 memcpy(dev->enetaddr, env_enetaddr, 6);
342 } while(dev != eth_devices);
344 #ifdef CONFIG_NET_MULTI
345 /* update current ethernet name */
347 char *act = getenv("ethact");
348 if (act == NULL || strcmp(act, eth_current->name) != 0)
349 setenv("ethact", eth_current->name);
351 setenv("ethact", NULL);
360 void eth_set_enetaddr(int num, char *addr) {
361 struct eth_device *dev;
362 unsigned char enetaddr[6];
366 debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr);
371 for (i=0; i<6; i++) {
372 enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0;
374 addr = (*end) ? end+1 : end;
381 if (dev == eth_devices)
385 debug ( "Setting new HW address on %s\n"
386 "New Address is %02X:%02X:%02X:%02X:%02X:%02X\n",
388 enetaddr[0], enetaddr[1],
389 enetaddr[2], enetaddr[3],
390 enetaddr[4], enetaddr[5]);
392 memcpy(dev->enetaddr, enetaddr, 6);
394 #ifdef CONFIG_MCAST_TFTP
396 * mcast_addr: multicast ipaddr from which multicast Mac is made
397 * join: 1=join, 0=leave.
399 int eth_mcast_join( IPaddr_t mcast_ip, u8 join)
402 if (!eth_current || !eth_current->mcast)
404 mcast_mac[5] = htonl(mcast_ip) & 0xff;
405 mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff;
406 mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f;
410 return eth_current->mcast(eth_current, mcast_mac, join);
413 /* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
414 * and this is the ethernet-crc method needed for TSEC -- and perhaps
415 * some other adapter -- hash tables
417 #define CRCPOLY_LE 0xedb88320
418 u32 ether_crc (size_t len, unsigned char const *p)
425 for (i = 0; i < 8; i++)
426 crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
428 /* an reverse the bits, cuz of way they arrive -- last-first */
429 crc = (crc >> 16) | (crc << 16);
430 crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00);
431 crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0);
432 crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc);
433 crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa);
440 int eth_init(bd_t *bis)
442 struct eth_device* old_current;
445 puts ("No ethernet found.\n");
449 old_current = eth_current;
451 debug ("Trying %s\n", eth_current->name);
453 if (eth_current->init(eth_current,bis) >= 0) {
454 eth_current->state = ETH_STATE_ACTIVE;
461 } while (old_current != eth_current);
471 eth_current->halt(eth_current);
473 eth_current->state = ETH_STATE_PASSIVE;
476 int eth_send(volatile void *packet, int length)
481 return eth_current->send(eth_current, packet, length);
489 return eth_current->recv(eth_current);
493 static void eth_save_packet(volatile void *packet, int length)
495 volatile char *p = packet;
498 if ((eth_rcv_last+1) % PKTBUFSRX == eth_rcv_current)
501 if (PKTSIZE < length)
504 for (i = 0; i < length; i++)
505 eth_rcv_bufs[eth_rcv_last].data[i] = p[i];
507 eth_rcv_bufs[eth_rcv_last].length = length;
508 eth_rcv_last = (eth_rcv_last + 1) % PKTBUFSRX;
511 int eth_receive(volatile void *packet, int length)
513 volatile char *p = packet;
514 void *pp = push_packet;
517 if (eth_rcv_current == eth_rcv_last) {
518 push_packet = eth_save_packet;
522 if (eth_rcv_current == eth_rcv_last)
526 if (length < eth_rcv_bufs[eth_rcv_current].length)
529 length = eth_rcv_bufs[eth_rcv_current].length;
531 for (i = 0; i < length; i++)
532 p[i] = eth_rcv_bufs[eth_rcv_current].data[i];
534 eth_rcv_current = (eth_rcv_current + 1) % PKTBUFSRX;
537 #endif /* CONFIG_API */
539 void eth_try_another(int first_restart)
541 static struct eth_device *first_failed = NULL;
545 * Do not rotate between network interfaces when
546 * 'ethrotate' variable is set to 'no'.
548 if (((ethrotate = getenv ("ethrotate")) != NULL) &&
549 (strcmp(ethrotate, "no") == 0))
556 first_failed = eth_current;
559 eth_current = eth_current->next;
561 #ifdef CONFIG_NET_MULTI
562 /* update current ethernet name */
564 char *act = getenv("ethact");
565 if (act == NULL || strcmp(act, eth_current->name) != 0)
566 setenv("ethact", eth_current->name);
570 if (first_failed == eth_current) {
575 #ifdef CONFIG_NET_MULTI
576 void eth_set_current(void)
579 struct eth_device* old_current;
581 if (!eth_current) /* XXX no current */
584 act = getenv("ethact");
586 old_current = eth_current;
588 if (strcmp(eth_current->name, act) == 0)
590 eth_current = eth_current->next;
591 } while (old_current != eth_current);
594 setenv("ethact", eth_current->name);
598 char *eth_get_name (void)
600 return (eth_current ? eth_current->name : "unknown");
602 #elif defined(CONFIG_CMD_NET) && !defined(CONFIG_NET_MULTI)
604 extern int at91rm9200_miiphy_initialize(bd_t *bis);
605 extern int emac4xx_miiphy_initialize(bd_t *bis);
606 extern int mcf52x2_miiphy_initialize(bd_t *bis);
607 extern int ns7520_miiphy_initialize(bd_t *bis);
608 extern int dm644x_eth_miiphy_initialize(bd_t *bis);
611 int eth_initialize(bd_t *bis)
613 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
617 #if defined(CONFIG_AT91RM9200)
618 at91rm9200_miiphy_initialize(bis);
620 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) \
621 && !defined(CONFIG_AP1000) && !defined(CONFIG_405)
622 emac4xx_miiphy_initialize(bis);
624 #if defined(CONFIG_MCF52x2)
625 mcf52x2_miiphy_initialize(bis);
627 #if defined(CONFIG_NETARM)
628 ns7520_miiphy_initialize(bis);
630 #if defined(CONFIG_DRIVER_TI_EMAC)
631 dm644x_eth_miiphy_initialize(bis);