2 * (C) Copyright 2001-2004
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 greth_initialize(bd_t *);
64 extern int atngw100_eth_initialize(bd_t *);
65 extern int mcffec_initialize(bd_t*);
66 extern int mcdmafec_initialize(bd_t*);
67 extern int at91sam9_eth_initialize(bd_t *);
70 extern void (*push_packet)(volatile void *, int);
75 } eth_rcv_bufs[PKTBUFSRX];
77 static unsigned int eth_rcv_current = 0, eth_rcv_last = 0;
80 static struct eth_device *eth_devices, *eth_current;
82 struct eth_device *eth_get_dev(void)
87 struct eth_device *eth_get_dev_by_name(char *devname)
89 struct eth_device *dev, *target_dev;
97 if (strcmp(devname, dev->name) == 0) {
102 } while (dev != eth_devices);
107 int eth_get_dev_index (void)
109 struct eth_device *dev;
116 for (dev = eth_devices; dev; dev = dev->next) {
117 if (dev == eth_current)
129 int eth_register(struct eth_device* dev)
131 struct eth_device *d;
134 eth_current = eth_devices = dev;
135 #ifdef CONFIG_NET_MULTI
136 /* update current ethernet name */
138 char *act = getenv("ethact");
139 if (act == NULL || strcmp(act, eth_current->name) != 0)
140 setenv("ethact", eth_current->name);
144 for (d=eth_devices; d->next!=eth_devices; d=d->next);
148 dev->state = ETH_STATE_INIT;
149 dev->next = eth_devices;
154 int eth_initialize(bd_t *bis)
157 unsigned char env_enetaddr[6];
158 int i, eth_number = 0;
164 show_boot_progress (64);
165 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
169 #if defined(CONFIG_DB64360) || defined(CONFIG_CPCI750)
170 mv6436x_eth_initialize(bis);
172 #if defined(CONFIG_DB64460) || defined(CONFIG_P3Mx)
173 mv6446x_eth_initialize(bis);
175 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) && !defined(CONFIG_AP1000)
176 ppc_4xx_eth_initialize(bis);
178 #ifdef CONFIG_INCA_IP_SWITCH
179 inca_switch_initialize(bis);
181 #ifdef CONFIG_PLB2800_ETHER
182 plb2800_eth_initialize(bis);
187 #if defined(CONFIG_MPC5xxx_FEC)
188 mpc5xxx_fec_initialize(bis);
190 #if defined(CONFIG_MPC512x_FEC)
191 mpc512x_fec_initialize (bis);
193 #if defined(CONFIG_MPC8220_FEC)
194 mpc8220_fec_initialize(bis);
196 #if defined(CONFIG_SK98)
197 skge_initialize(bis);
199 #if defined(CONFIG_TSEC1)
200 tsec_initialize(bis, 0, CONFIG_TSEC1_NAME);
202 #if defined(CONFIG_TSEC2)
203 tsec_initialize(bis, 1, CONFIG_TSEC2_NAME);
205 #if defined(CONFIG_MPC85XX_FEC)
206 tsec_initialize(bis, 2, CONFIG_MPC85XX_FEC_NAME);
208 # if defined(CONFIG_TSEC3)
209 tsec_initialize(bis, 2, CONFIG_TSEC3_NAME);
211 # if defined(CONFIG_TSEC4)
212 tsec_initialize(bis, 3, CONFIG_TSEC4_NAME);
215 #if defined(CONFIG_UEC_ETH1)
218 #if defined(CONFIG_UEC_ETH2)
221 #if defined(CONFIG_UEC_ETH3)
224 #if defined(CONFIG_UEC_ETH4)
228 #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
231 #if defined(CONFIG_AU1X00)
232 au1x00_enet_initialize(bis);
234 #if defined(CONFIG_IXP4XX_NPE)
238 e1000_initialize(bis);
240 #ifdef CONFIG_EEPRO100
241 eepro100_initialize(bis);
244 dc21x4x_initialize(bis);
247 eth_3com_initialize(bis);
250 pcnet_initialize(bis);
253 gt6426x_eth_initialize(bis);
255 #ifdef CONFIG_NATSEMI
256 natsemi_initialize(bis);
258 #ifdef CONFIG_NS8382X
259 ns8382x_initialize(bis);
261 #if defined(CONFIG_TSI108_ETH)
262 tsi108_eth_initialize(bis);
264 #if defined(CONFIG_ULI526X)
265 uli526x_initialize(bis);
267 #if defined(CONFIG_RTL8139)
268 rtl8139_initialize(bis);
270 #if defined(CONFIG_RTL8169)
271 rtl8169_initialize(bis);
273 #if defined(CONFIG_BF537)
274 bfin_EMAC_initialize(bis);
276 #if defined(CONFIG_ATSTK1000)
277 atstk1000_eth_initialize(bis);
279 #if defined(CONFIG_GRETH)
280 greth_initialize(bis);
282 #if defined(CONFIG_ATNGW100)
283 atngw100_eth_initialize(bis);
285 #if defined(CONFIG_MCFFEC)
286 mcffec_initialize(bis);
288 #if defined(CONFIG_FSLDMAFEC)
289 mcdmafec_initialize(bis);
291 #if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
292 defined(CONFIG_AT91SAM9263)
293 at91sam9_eth_initialize(bis);
297 puts ("No ethernet found.\n");
298 show_boot_progress (-64);
300 struct eth_device *dev = eth_devices;
301 char *ethprime = getenv ("ethprime");
303 show_boot_progress (65);
308 printf("%s", dev->name);
310 if (ethprime && strcmp (dev->name, ethprime) == 0) {
315 sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number);
316 tmp = getenv (enetvar);
318 for (i=0; i<6; i++) {
319 env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
321 tmp = (*end) ? end+1 : end;
324 if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
325 if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
326 memcmp(dev->enetaddr, env_enetaddr, 6))
328 printf ("\nWarning: %s MAC addresses don't match:\n",
330 printf ("Address in SROM is "
331 "%02X:%02X:%02X:%02X:%02X:%02X\n",
332 dev->enetaddr[0], dev->enetaddr[1],
333 dev->enetaddr[2], dev->enetaddr[3],
334 dev->enetaddr[4], dev->enetaddr[5]);
335 printf ("Address in environment is "
336 "%02X:%02X:%02X:%02X:%02X:%02X\n",
337 env_enetaddr[0], env_enetaddr[1],
338 env_enetaddr[2], env_enetaddr[3],
339 env_enetaddr[4], env_enetaddr[5]);
342 memcpy(dev->enetaddr, env_enetaddr, 6);
347 } while(dev != eth_devices);
349 #ifdef CONFIG_NET_MULTI
350 /* update current ethernet name */
352 char *act = getenv("ethact");
353 if (act == NULL || strcmp(act, eth_current->name) != 0)
354 setenv("ethact", eth_current->name);
356 setenv("ethact", NULL);
365 void eth_set_enetaddr(int num, char *addr) {
366 struct eth_device *dev;
367 unsigned char enetaddr[6];
371 debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr);
376 for (i=0; i<6; i++) {
377 enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0;
379 addr = (*end) ? end+1 : end;
386 if (dev == eth_devices)
390 debug ( "Setting new HW address on %s\n"
391 "New Address is %02X:%02X:%02X:%02X:%02X:%02X\n",
393 enetaddr[0], enetaddr[1],
394 enetaddr[2], enetaddr[3],
395 enetaddr[4], enetaddr[5]);
397 memcpy(dev->enetaddr, enetaddr, 6);
399 #ifdef CONFIG_MCAST_TFTP
401 * mcast_addr: multicast ipaddr from which multicast Mac is made
402 * join: 1=join, 0=leave.
404 int eth_mcast_join( IPaddr_t mcast_ip, u8 join)
407 if (!eth_current || !eth_current->mcast)
409 mcast_mac[5] = htonl(mcast_ip) & 0xff;
410 mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff;
411 mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f;
415 return eth_current->mcast(eth_current, mcast_mac, join);
418 /* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
419 * and this is the ethernet-crc method needed for TSEC -- and perhaps
420 * some other adapter -- hash tables
422 #define CRCPOLY_LE 0xedb88320
423 u32 ether_crc (size_t len, unsigned char const *p)
430 for (i = 0; i < 8; i++)
431 crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
433 /* an reverse the bits, cuz of way they arrive -- last-first */
434 crc = (crc >> 16) | (crc << 16);
435 crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00);
436 crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0);
437 crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc);
438 crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa);
445 int eth_init(bd_t *bis)
447 struct eth_device* old_current;
450 puts ("No ethernet found.\n");
454 old_current = eth_current;
456 debug ("Trying %s\n", eth_current->name);
458 if (eth_current->init(eth_current,bis) >= 0) {
459 eth_current->state = ETH_STATE_ACTIVE;
466 } while (old_current != eth_current);
476 eth_current->halt(eth_current);
478 eth_current->state = ETH_STATE_PASSIVE;
481 int eth_send(volatile void *packet, int length)
486 return eth_current->send(eth_current, packet, length);
494 return eth_current->recv(eth_current);
498 static void eth_save_packet(volatile void *packet, int length)
500 volatile char *p = packet;
503 if ((eth_rcv_last+1) % PKTBUFSRX == eth_rcv_current)
506 if (PKTSIZE < length)
509 for (i = 0; i < length; i++)
510 eth_rcv_bufs[eth_rcv_last].data[i] = p[i];
512 eth_rcv_bufs[eth_rcv_last].length = length;
513 eth_rcv_last = (eth_rcv_last + 1) % PKTBUFSRX;
516 int eth_receive(volatile void *packet, int length)
518 volatile char *p = packet;
519 void *pp = push_packet;
522 if (eth_rcv_current == eth_rcv_last) {
523 push_packet = eth_save_packet;
527 if (eth_rcv_current == eth_rcv_last)
531 if (length < eth_rcv_bufs[eth_rcv_current].length)
534 length = eth_rcv_bufs[eth_rcv_current].length;
536 for (i = 0; i < length; i++)
537 p[i] = eth_rcv_bufs[eth_rcv_current].data[i];
539 eth_rcv_current = (eth_rcv_current + 1) % PKTBUFSRX;
542 #endif /* CONFIG_API */
544 void eth_try_another(int first_restart)
546 static struct eth_device *first_failed = NULL;
550 * Do not rotate between network interfaces when
551 * 'ethrotate' variable is set to 'no'.
553 if (((ethrotate = getenv ("ethrotate")) != NULL) &&
554 (strcmp(ethrotate, "no") == 0))
561 first_failed = eth_current;
564 eth_current = eth_current->next;
566 #ifdef CONFIG_NET_MULTI
567 /* update current ethernet name */
569 char *act = getenv("ethact");
570 if (act == NULL || strcmp(act, eth_current->name) != 0)
571 setenv("ethact", eth_current->name);
575 if (first_failed == eth_current) {
580 #ifdef CONFIG_NET_MULTI
581 void eth_set_current(void)
584 struct eth_device* old_current;
586 if (!eth_current) /* XXX no current */
589 act = getenv("ethact");
591 old_current = eth_current;
593 if (strcmp(eth_current->name, act) == 0)
595 eth_current = eth_current->next;
596 } while (old_current != eth_current);
599 setenv("ethact", eth_current->name);
603 char *eth_get_name (void)
605 return (eth_current ? eth_current->name : "unknown");
607 #elif defined(CONFIG_CMD_NET) && !defined(CONFIG_NET_MULTI)
609 extern int at91rm9200_miiphy_initialize(bd_t *bis);
610 extern int emac4xx_miiphy_initialize(bd_t *bis);
611 extern int mcf52x2_miiphy_initialize(bd_t *bis);
612 extern int ns7520_miiphy_initialize(bd_t *bis);
613 extern int dm644x_eth_miiphy_initialize(bd_t *bis);
616 int eth_initialize(bd_t *bis)
618 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
622 #if defined(CONFIG_AT91RM9200)
623 at91rm9200_miiphy_initialize(bis);
625 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) \
626 && !defined(CONFIG_AP1000) && !defined(CONFIG_405)
627 emac4xx_miiphy_initialize(bis);
629 #if defined(CONFIG_MCF52x2)
630 mcf52x2_miiphy_initialize(bis);
632 #if defined(CONFIG_NETARM)
633 ns7520_miiphy_initialize(bis);
635 #if defined(CONFIG_DRIVER_TI_EMAC)
636 dm644x_eth_miiphy_initialize(bis);