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 tsec_initialize(bd_t*, int, char *);
58 extern int npe_initialize(bd_t *);
59 extern int uec_initialize(int);
60 extern int bfin_EMAC_initialize(bd_t *);
61 extern int atstk1000_eth_initialize(bd_t *);
62 extern int mcffec_initialize(bd_t*);
64 static struct eth_device *eth_devices, *eth_current;
66 struct eth_device *eth_get_dev(void)
71 struct eth_device *eth_get_dev_by_name(char *devname)
73 struct eth_device *dev, *target_dev;
81 if (strcmp(devname, dev->name) == 0) {
86 } while (dev != eth_devices);
91 int eth_get_dev_index (void)
93 struct eth_device *dev;
100 for (dev = eth_devices; dev; dev = dev->next) {
101 if (dev == eth_current)
113 int eth_register(struct eth_device* dev)
115 struct eth_device *d;
118 eth_current = eth_devices = dev;
119 #ifdef CONFIG_NET_MULTI
120 /* update current ethernet name */
122 char *act = getenv("ethact");
123 if (act == NULL || strcmp(act, eth_current->name) != 0)
124 setenv("ethact", eth_current->name);
128 for (d=eth_devices; d->next!=eth_devices; d=d->next);
132 dev->state = ETH_STATE_INIT;
133 dev->next = eth_devices;
138 int eth_initialize(bd_t *bis)
140 char enetvar[32], env_enetaddr[6];
141 int i, eth_number = 0;
147 show_boot_progress (64);
148 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
152 #if defined(CONFIG_DB64360) || defined(CONFIG_CPCI750)
153 mv6436x_eth_initialize(bis);
155 #if defined(CONFIG_DB64460) || defined(CONFIG_P3Mx)
156 mv6446x_eth_initialize(bis);
158 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) && !defined(CONFIG_AP1000)
159 ppc_4xx_eth_initialize(bis);
161 #ifdef CONFIG_INCA_IP_SWITCH
162 inca_switch_initialize(bis);
164 #ifdef CONFIG_PLB2800_ETHER
165 plb2800_eth_initialize(bis);
170 #if defined(CONFIG_MPC5xxx_FEC)
171 mpc5xxx_fec_initialize(bis);
173 #if defined(CONFIG_MPC512x_FEC)
174 mpc512x_fec_initialize (bis);
176 #if defined(CONFIG_MPC8220_FEC)
177 mpc8220_fec_initialize(bis);
179 #if defined(CONFIG_SK98)
180 skge_initialize(bis);
182 #if defined(CONFIG_TSEC1)
183 tsec_initialize(bis, 0, CONFIG_TSEC1_NAME);
185 #if defined(CONFIG_TSEC2)
186 tsec_initialize(bis, 1, CONFIG_TSEC2_NAME);
188 #if defined(CONFIG_MPC85XX_FEC)
189 tsec_initialize(bis, 2, CONFIG_MPC85XX_FEC_NAME);
191 # if defined(CONFIG_TSEC3)
192 tsec_initialize(bis, 2, CONFIG_TSEC3_NAME);
194 # if defined(CONFIG_TSEC4)
195 tsec_initialize(bis, 3, CONFIG_TSEC4_NAME);
198 #if defined(CONFIG_UEC_ETH1)
201 #if defined(CONFIG_UEC_ETH2)
205 #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
208 #if defined(CONFIG_AU1X00)
209 au1x00_enet_initialize(bis);
211 #if defined(CONFIG_IXP4XX_NPE)
215 e1000_initialize(bis);
217 #ifdef CONFIG_EEPRO100
218 eepro100_initialize(bis);
221 dc21x4x_initialize(bis);
224 eth_3com_initialize(bis);
227 pcnet_initialize(bis);
230 gt6426x_eth_initialize(bis);
232 #ifdef CONFIG_NATSEMI
233 natsemi_initialize(bis);
235 #ifdef CONFIG_NS8382X
236 ns8382x_initialize(bis);
238 #if defined(CONFIG_TSI108_ETH)
239 tsi108_eth_initialize(bis);
241 #if defined(CONFIG_RTL8139)
242 rtl8139_initialize(bis);
244 #if defined(CONFIG_RTL8169)
245 rtl8169_initialize(bis);
247 #if defined(CONFIG_BF537)
248 bfin_EMAC_initialize(bis);
250 #if defined(CONFIG_ATSTK1000)
251 atstk1000_eth_initialize(bis);
253 #if defined(CONFIG_MCFFEC)
254 mcffec_initialize(bis);
258 puts ("No ethernet found.\n");
259 show_boot_progress (-64);
261 struct eth_device *dev = eth_devices;
262 char *ethprime = getenv ("ethprime");
264 show_boot_progress (65);
269 printf("%s", dev->name);
271 if (ethprime && strcmp (dev->name, ethprime) == 0) {
276 sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number);
277 tmp = getenv (enetvar);
279 for (i=0; i<6; i++) {
280 env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
282 tmp = (*end) ? end+1 : end;
285 if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
286 if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
287 memcmp(dev->enetaddr, env_enetaddr, 6))
289 printf ("\nWarning: %s MAC addresses don't match:\n",
291 printf ("Address in SROM is "
292 "%02X:%02X:%02X:%02X:%02X:%02X\n",
293 dev->enetaddr[0], dev->enetaddr[1],
294 dev->enetaddr[2], dev->enetaddr[3],
295 dev->enetaddr[4], dev->enetaddr[5]);
296 printf ("Address in environment is "
297 "%02X:%02X:%02X:%02X:%02X:%02X\n",
298 env_enetaddr[0], env_enetaddr[1],
299 env_enetaddr[2], env_enetaddr[3],
300 env_enetaddr[4], env_enetaddr[5]);
303 memcpy(dev->enetaddr, env_enetaddr, 6);
308 } while(dev != eth_devices);
310 #ifdef CONFIG_NET_MULTI
311 /* update current ethernet name */
313 char *act = getenv("ethact");
314 if (act == NULL || strcmp(act, eth_current->name) != 0)
315 setenv("ethact", eth_current->name);
317 setenv("ethact", NULL);
326 void eth_set_enetaddr(int num, char *addr) {
327 struct eth_device *dev;
328 unsigned char enetaddr[6];
332 debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr);
337 for (i=0; i<6; i++) {
338 enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0;
340 addr = (*end) ? end+1 : end;
347 if (dev == eth_devices)
351 debug ( "Setting new HW address on %s\n"
352 "New Address is %02X:%02X:%02X:%02X:%02X:%02X\n",
354 enetaddr[0], enetaddr[1],
355 enetaddr[2], enetaddr[3],
356 enetaddr[4], enetaddr[5]);
358 memcpy(dev->enetaddr, enetaddr, 6);
360 #ifdef CONFIG_MCAST_TFTP
362 * mcast_addr: multicast ipaddr from which multicast Mac is made
363 * join: 1=join, 0=leave.
365 int eth_mcast_join( IPaddr_t mcast_ip, u8 join)
368 if (!eth_current || !eth_current->mcast)
370 mcast_mac[5] = htonl(mcast_ip) & 0xff;
371 mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff;
372 mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f;
376 return eth_current->mcast(eth_current, mcast_mac, join);
379 /* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
380 * and this is the ethernet-crc method needed for TSEC -- and perhaps
381 * some other adapter -- hash tables
383 #define CRCPOLY_LE 0xedb88320
384 u32 ether_crc (size_t len, unsigned char const *p)
391 for (i = 0; i < 8; i++)
392 crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
394 /* an reverse the bits, cuz of way they arrive -- last-first */
395 crc = (crc >> 16) | (crc << 16);
396 crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00);
397 crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0);
398 crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc);
399 crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa);
406 int eth_init(bd_t *bis)
408 struct eth_device* old_current;
413 old_current = eth_current;
415 debug ("Trying %s\n", eth_current->name);
417 if (eth_current->init(eth_current, bis)) {
418 eth_current->state = ETH_STATE_ACTIVE;
425 } while (old_current != eth_current);
435 eth_current->halt(eth_current);
437 eth_current->state = ETH_STATE_PASSIVE;
440 int eth_send(volatile void *packet, int length)
445 return eth_current->send(eth_current, packet, length);
453 return eth_current->recv(eth_current);
456 void eth_try_another(int first_restart)
458 static struct eth_device *first_failed = NULL;
464 first_failed = eth_current;
467 eth_current = eth_current->next;
469 #ifdef CONFIG_NET_MULTI
470 /* update current ethernet name */
472 char *act = getenv("ethact");
473 if (act == NULL || strcmp(act, eth_current->name) != 0)
474 setenv("ethact", eth_current->name);
478 if (first_failed == eth_current) {
483 #ifdef CONFIG_NET_MULTI
484 void eth_set_current(void)
487 struct eth_device* old_current;
489 if (!eth_current) /* XXX no current */
492 act = getenv("ethact");
494 old_current = eth_current;
496 if (strcmp(eth_current->name, act) == 0)
498 eth_current = eth_current->next;
499 } while (old_current != eth_current);
502 setenv("ethact", eth_current->name);
506 char *eth_get_name (void)
508 return (eth_current ? eth_current->name : "unknown");
510 #elif defined(CONFIG_CMD_NET) && !defined(CONFIG_NET_MULTI)
512 extern int at91rm9200_miiphy_initialize(bd_t *bis);
513 extern int emac4xx_miiphy_initialize(bd_t *bis);
514 extern int mcf52x2_miiphy_initialize(bd_t *bis);
515 extern int ns7520_miiphy_initialize(bd_t *bis);
516 extern int dm644x_eth_miiphy_initialize(bd_t *bis);
519 int eth_initialize(bd_t *bis)
521 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
525 #if defined(CONFIG_AT91RM9200)
526 at91rm9200_miiphy_initialize(bis);
528 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) \
529 && !defined(CONFIG_AP1000) && !defined(CONFIG_405)
530 emac4xx_miiphy_initialize(bis);
532 #if defined(CONFIG_MCF52x2)
533 mcf52x2_miiphy_initialize(bis);
535 #if defined(CONFIG_NETARM)
536 ns7520_miiphy_initialize(bis);
538 #if defined(CONFIG_DRIVER_TI_EMAC)
539 dm644x_eth_miiphy_initialize(bis);