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 *);
63 static struct eth_device *eth_devices, *eth_current;
65 struct eth_device *eth_get_dev(void)
70 struct eth_device *eth_get_dev_by_name(char *devname)
72 struct eth_device *dev, *target_dev;
80 if (strcmp(devname, dev->name) == 0) {
85 } while (dev != eth_devices);
90 int eth_get_dev_index (void)
92 struct eth_device *dev;
99 for (dev = eth_devices; dev; dev = dev->next) {
100 if (dev == eth_current)
112 int eth_register(struct eth_device* dev)
114 struct eth_device *d;
117 eth_current = eth_devices = dev;
118 #ifdef CONFIG_NET_MULTI
119 /* update current ethernet name */
121 char *act = getenv("ethact");
122 if (act == NULL || strcmp(act, eth_current->name) != 0)
123 setenv("ethact", eth_current->name);
127 for (d=eth_devices; d->next!=eth_devices; d=d->next);
131 dev->state = ETH_STATE_INIT;
132 dev->next = eth_devices;
137 int eth_initialize(bd_t *bis)
139 char enetvar[32], env_enetaddr[6];
140 int i, eth_number = 0;
146 show_boot_progress (64);
147 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
151 #if defined(CONFIG_DB64360) || defined(CONFIG_CPCI750)
152 mv6436x_eth_initialize(bis);
154 #if defined(CONFIG_DB64460) || defined(CONFIG_P3Mx)
155 mv6446x_eth_initialize(bis);
157 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) && !defined(CONFIG_AP1000)
158 ppc_4xx_eth_initialize(bis);
160 #ifdef CONFIG_INCA_IP_SWITCH
161 inca_switch_initialize(bis);
163 #ifdef CONFIG_PLB2800_ETHER
164 plb2800_eth_initialize(bis);
169 #if defined(CONFIG_MPC5xxx_FEC)
170 mpc5xxx_fec_initialize(bis);
172 #if defined(CONFIG_MPC512x_FEC)
173 mpc512x_fec_initialize (bis);
175 #if defined(CONFIG_MPC8220_FEC)
176 mpc8220_fec_initialize(bis);
178 #if defined(CONFIG_SK98)
179 skge_initialize(bis);
181 #if defined(CONFIG_TSEC1)
182 tsec_initialize(bis, 0, CONFIG_TSEC1_NAME);
184 #if defined(CONFIG_TSEC2)
185 tsec_initialize(bis, 1, CONFIG_TSEC2_NAME);
187 #if defined(CONFIG_MPC85XX_FEC)
188 tsec_initialize(bis, 2, CONFIG_MPC85XX_FEC_NAME);
190 # if defined(CONFIG_TSEC3)
191 tsec_initialize(bis, 2, CONFIG_TSEC3_NAME);
193 # if defined(CONFIG_TSEC4)
194 tsec_initialize(bis, 3, CONFIG_TSEC4_NAME);
197 #if defined(CONFIG_UEC_ETH1)
200 #if defined(CONFIG_UEC_ETH2)
204 #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
207 #if defined(CONFIG_AU1X00)
208 au1x00_enet_initialize(bis);
210 #if defined(CONFIG_IXP4XX_NPE)
214 e1000_initialize(bis);
216 #ifdef CONFIG_EEPRO100
217 eepro100_initialize(bis);
220 dc21x4x_initialize(bis);
223 eth_3com_initialize(bis);
226 pcnet_initialize(bis);
229 gt6426x_eth_initialize(bis);
231 #ifdef CONFIG_NATSEMI
232 natsemi_initialize(bis);
234 #ifdef CONFIG_NS8382X
235 ns8382x_initialize(bis);
237 #if defined(CONFIG_TSI108_ETH)
238 tsi108_eth_initialize(bis);
240 #if defined(CONFIG_RTL8139)
241 rtl8139_initialize(bis);
243 #if defined(CONFIG_RTL8169)
244 rtl8169_initialize(bis);
246 #if defined(CONFIG_BF537)
247 bfin_EMAC_initialize(bis);
249 #if defined(CONFIG_ATSTK1000)
250 atstk1000_eth_initialize(bis);
254 puts ("No ethernet found.\n");
255 show_boot_progress (-64);
257 struct eth_device *dev = eth_devices;
258 char *ethprime = getenv ("ethprime");
260 show_boot_progress (65);
265 printf("%s", dev->name);
267 if (ethprime && strcmp (dev->name, ethprime) == 0) {
272 sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number);
273 tmp = getenv (enetvar);
275 for (i=0; i<6; i++) {
276 env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
278 tmp = (*end) ? end+1 : end;
281 if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
282 if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
283 memcmp(dev->enetaddr, env_enetaddr, 6))
285 printf ("\nWarning: %s MAC addresses don't match:\n",
287 printf ("Address in SROM is "
288 "%02X:%02X:%02X:%02X:%02X:%02X\n",
289 dev->enetaddr[0], dev->enetaddr[1],
290 dev->enetaddr[2], dev->enetaddr[3],
291 dev->enetaddr[4], dev->enetaddr[5]);
292 printf ("Address in environment is "
293 "%02X:%02X:%02X:%02X:%02X:%02X\n",
294 env_enetaddr[0], env_enetaddr[1],
295 env_enetaddr[2], env_enetaddr[3],
296 env_enetaddr[4], env_enetaddr[5]);
299 memcpy(dev->enetaddr, env_enetaddr, 6);
304 } while(dev != eth_devices);
306 #ifdef CONFIG_NET_MULTI
307 /* update current ethernet name */
309 char *act = getenv("ethact");
310 if (act == NULL || strcmp(act, eth_current->name) != 0)
311 setenv("ethact", eth_current->name);
313 setenv("ethact", NULL);
322 void eth_set_enetaddr(int num, char *addr) {
323 struct eth_device *dev;
324 unsigned char enetaddr[6];
328 debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr);
333 for (i=0; i<6; i++) {
334 enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0;
336 addr = (*end) ? end+1 : end;
343 if (dev == eth_devices)
347 debug ( "Setting new HW address on %s\n"
348 "New Address is %02X:%02X:%02X:%02X:%02X:%02X\n",
350 enetaddr[0], enetaddr[1],
351 enetaddr[2], enetaddr[3],
352 enetaddr[4], enetaddr[5]);
354 memcpy(dev->enetaddr, enetaddr, 6);
356 #ifdef CONFIG_MCAST_TFTP
358 * mcast_addr: multicast ipaddr from which multicast Mac is made
359 * join: 1=join, 0=leave.
361 int eth_mcast_join( IPaddr_t mcast_ip, u8 join)
364 if (!eth_current || !eth_current->mcast)
366 mcast_mac[5] = htonl(mcast_ip) & 0xff;
367 mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff;
368 mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f;
372 return eth_current->mcast(eth_current, mcast_mac, join);
375 /* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
376 * and this is the ethernet-crc method needed for TSEC -- and perhaps
377 * some other adapter -- hash tables
379 #define CRCPOLY_LE 0xedb88320
380 u32 ether_crc (size_t len, unsigned char const *p)
387 for (i = 0; i < 8; i++)
388 crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
390 /* an reverse the bits, cuz of way they arrive -- last-first */
391 crc = (crc >> 16) | (crc << 16);
392 crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00);
393 crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0);
394 crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc);
395 crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa);
402 int eth_init(bd_t *bis)
404 struct eth_device* old_current;
409 old_current = eth_current;
411 debug ("Trying %s\n", eth_current->name);
413 if (eth_current->init(eth_current, bis)) {
414 eth_current->state = ETH_STATE_ACTIVE;
421 } while (old_current != eth_current);
431 eth_current->halt(eth_current);
433 eth_current->state = ETH_STATE_PASSIVE;
436 int eth_send(volatile void *packet, int length)
441 return eth_current->send(eth_current, packet, length);
449 return eth_current->recv(eth_current);
452 void eth_try_another(int first_restart)
454 static struct eth_device *first_failed = NULL;
460 first_failed = eth_current;
463 eth_current = eth_current->next;
465 #ifdef CONFIG_NET_MULTI
466 /* update current ethernet name */
468 char *act = getenv("ethact");
469 if (act == NULL || strcmp(act, eth_current->name) != 0)
470 setenv("ethact", eth_current->name);
474 if (first_failed == eth_current) {
479 #ifdef CONFIG_NET_MULTI
480 void eth_set_current(void)
483 struct eth_device* old_current;
485 if (!eth_current) /* XXX no current */
488 act = getenv("ethact");
490 old_current = eth_current;
492 if (strcmp(eth_current->name, act) == 0)
494 eth_current = eth_current->next;
495 } while (old_current != eth_current);
498 setenv("ethact", eth_current->name);
502 char *eth_get_name (void)
504 return (eth_current ? eth_current->name : "unknown");
506 #elif defined(CONFIG_CMD_NET) && !defined(CONFIG_NET_MULTI)
508 extern int at91rm9200_miiphy_initialize(bd_t *bis);
509 extern int emac4xx_miiphy_initialize(bd_t *bis);
510 extern int mcf52x2_miiphy_initialize(bd_t *bis);
511 extern int ns7520_miiphy_initialize(bd_t *bis);
512 extern int dm644x_eth_miiphy_initialize(bd_t *bis);
515 int eth_initialize(bd_t *bis)
517 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
521 #if defined(CONFIG_AT91RM9200)
522 at91rm9200_miiphy_initialize(bis);
524 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) \
525 && !defined(CONFIG_AP1000) && !defined(CONFIG_405)
526 emac4xx_miiphy_initialize(bis);
528 #if defined(CONFIG_MCF52x2)
529 mcf52x2_miiphy_initialize(bis);
531 #if defined(CONFIG_NETARM)
532 ns7520_miiphy_initialize(bis);
534 #if defined(CONFIG_DRIVER_TI_EMAC)
535 dm644x_eth_miiphy_initialize(bis);