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 mcffec_initialize(bd_t*);
65 static struct eth_device *eth_devices, *eth_current;
67 struct eth_device *eth_get_dev(void)
72 struct eth_device *eth_get_dev_by_name(char *devname)
74 struct eth_device *dev, *target_dev;
82 if (strcmp(devname, dev->name) == 0) {
87 } while (dev != eth_devices);
92 int eth_get_dev_index (void)
94 struct eth_device *dev;
101 for (dev = eth_devices; dev; dev = dev->next) {
102 if (dev == eth_current)
114 int eth_register(struct eth_device* dev)
116 struct eth_device *d;
119 eth_current = eth_devices = dev;
120 #ifdef CONFIG_NET_MULTI
121 /* update current ethernet name */
123 char *act = getenv("ethact");
124 if (act == NULL || strcmp(act, eth_current->name) != 0)
125 setenv("ethact", eth_current->name);
129 for (d=eth_devices; d->next!=eth_devices; d=d->next);
133 dev->state = ETH_STATE_INIT;
134 dev->next = eth_devices;
139 int eth_initialize(bd_t *bis)
141 char enetvar[32], env_enetaddr[6];
142 int i, eth_number = 0;
148 show_boot_progress (64);
149 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
153 #if defined(CONFIG_DB64360) || defined(CONFIG_CPCI750)
154 mv6436x_eth_initialize(bis);
156 #if defined(CONFIG_DB64460) || defined(CONFIG_P3Mx)
157 mv6446x_eth_initialize(bis);
159 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) && !defined(CONFIG_AP1000)
160 ppc_4xx_eth_initialize(bis);
162 #ifdef CONFIG_INCA_IP_SWITCH
163 inca_switch_initialize(bis);
165 #ifdef CONFIG_PLB2800_ETHER
166 plb2800_eth_initialize(bis);
171 #if defined(CONFIG_MPC5xxx_FEC)
172 mpc5xxx_fec_initialize(bis);
174 #if defined(CONFIG_MPC512x_FEC)
175 mpc512x_fec_initialize (bis);
177 #if defined(CONFIG_MPC8220_FEC)
178 mpc8220_fec_initialize(bis);
180 #if defined(CONFIG_SK98)
181 skge_initialize(bis);
183 #if defined(CONFIG_TSEC1)
184 tsec_initialize(bis, 0, CONFIG_TSEC1_NAME);
186 #if defined(CONFIG_TSEC2)
187 tsec_initialize(bis, 1, CONFIG_TSEC2_NAME);
189 #if defined(CONFIG_MPC85XX_FEC)
190 tsec_initialize(bis, 2, CONFIG_MPC85XX_FEC_NAME);
192 # if defined(CONFIG_TSEC3)
193 tsec_initialize(bis, 2, CONFIG_TSEC3_NAME);
195 # if defined(CONFIG_TSEC4)
196 tsec_initialize(bis, 3, CONFIG_TSEC4_NAME);
199 #if defined(CONFIG_UEC_ETH1)
202 #if defined(CONFIG_UEC_ETH2)
206 #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
209 #if defined(CONFIG_AU1X00)
210 au1x00_enet_initialize(bis);
212 #if defined(CONFIG_IXP4XX_NPE)
216 e1000_initialize(bis);
218 #ifdef CONFIG_EEPRO100
219 eepro100_initialize(bis);
222 dc21x4x_initialize(bis);
225 eth_3com_initialize(bis);
228 pcnet_initialize(bis);
231 gt6426x_eth_initialize(bis);
233 #ifdef CONFIG_NATSEMI
234 natsemi_initialize(bis);
236 #ifdef CONFIG_NS8382X
237 ns8382x_initialize(bis);
239 #if defined(CONFIG_TSI108_ETH)
240 tsi108_eth_initialize(bis);
242 #if defined(CONFIG_ULI526X)
243 uli526x_initialize(bis);
245 #if defined(CONFIG_RTL8139)
246 rtl8139_initialize(bis);
248 #if defined(CONFIG_RTL8169)
249 rtl8169_initialize(bis);
251 #if defined(CONFIG_BF537)
252 bfin_EMAC_initialize(bis);
254 #if defined(CONFIG_ATSTK1000)
255 atstk1000_eth_initialize(bis);
257 #if defined(CONFIG_MCFFEC)
258 mcffec_initialize(bis);
262 puts ("No ethernet found.\n");
263 show_boot_progress (-64);
265 struct eth_device *dev = eth_devices;
266 char *ethprime = getenv ("ethprime");
268 show_boot_progress (65);
273 printf("%s", dev->name);
275 if (ethprime && strcmp (dev->name, ethprime) == 0) {
280 sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number);
281 tmp = getenv (enetvar);
283 for (i=0; i<6; i++) {
284 env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
286 tmp = (*end) ? end+1 : end;
289 if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
290 if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
291 memcmp(dev->enetaddr, env_enetaddr, 6))
293 printf ("\nWarning: %s MAC addresses don't match:\n",
295 printf ("Address in SROM is "
296 "%02X:%02X:%02X:%02X:%02X:%02X\n",
297 dev->enetaddr[0], dev->enetaddr[1],
298 dev->enetaddr[2], dev->enetaddr[3],
299 dev->enetaddr[4], dev->enetaddr[5]);
300 printf ("Address in environment is "
301 "%02X:%02X:%02X:%02X:%02X:%02X\n",
302 env_enetaddr[0], env_enetaddr[1],
303 env_enetaddr[2], env_enetaddr[3],
304 env_enetaddr[4], env_enetaddr[5]);
307 memcpy(dev->enetaddr, env_enetaddr, 6);
312 } while(dev != eth_devices);
314 #ifdef CONFIG_NET_MULTI
315 /* update current ethernet name */
317 char *act = getenv("ethact");
318 if (act == NULL || strcmp(act, eth_current->name) != 0)
319 setenv("ethact", eth_current->name);
321 setenv("ethact", NULL);
330 void eth_set_enetaddr(int num, char *addr) {
331 struct eth_device *dev;
332 unsigned char enetaddr[6];
336 debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr);
341 for (i=0; i<6; i++) {
342 enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0;
344 addr = (*end) ? end+1 : end;
351 if (dev == eth_devices)
355 debug ( "Setting new HW address on %s\n"
356 "New Address is %02X:%02X:%02X:%02X:%02X:%02X\n",
358 enetaddr[0], enetaddr[1],
359 enetaddr[2], enetaddr[3],
360 enetaddr[4], enetaddr[5]);
362 memcpy(dev->enetaddr, enetaddr, 6);
364 #ifdef CONFIG_MCAST_TFTP
366 * mcast_addr: multicast ipaddr from which multicast Mac is made
367 * join: 1=join, 0=leave.
369 int eth_mcast_join( IPaddr_t mcast_ip, u8 join)
372 if (!eth_current || !eth_current->mcast)
374 mcast_mac[5] = htonl(mcast_ip) & 0xff;
375 mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff;
376 mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f;
380 return eth_current->mcast(eth_current, mcast_mac, join);
383 /* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
384 * and this is the ethernet-crc method needed for TSEC -- and perhaps
385 * some other adapter -- hash tables
387 #define CRCPOLY_LE 0xedb88320
388 u32 ether_crc (size_t len, unsigned char const *p)
395 for (i = 0; i < 8; i++)
396 crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
398 /* an reverse the bits, cuz of way they arrive -- last-first */
399 crc = (crc >> 16) | (crc << 16);
400 crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00);
401 crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0);
402 crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc);
403 crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa);
410 int eth_init(bd_t *bis)
412 struct eth_device* old_current;
417 old_current = eth_current;
419 debug ("Trying %s\n", eth_current->name);
421 if (eth_current->init(eth_current, bis)) {
422 eth_current->state = ETH_STATE_ACTIVE;
429 } while (old_current != eth_current);
439 eth_current->halt(eth_current);
441 eth_current->state = ETH_STATE_PASSIVE;
444 int eth_send(volatile void *packet, int length)
449 return eth_current->send(eth_current, packet, length);
457 return eth_current->recv(eth_current);
460 void eth_try_another(int first_restart)
462 static struct eth_device *first_failed = NULL;
468 first_failed = eth_current;
471 eth_current = eth_current->next;
473 #ifdef CONFIG_NET_MULTI
474 /* update current ethernet name */
476 char *act = getenv("ethact");
477 if (act == NULL || strcmp(act, eth_current->name) != 0)
478 setenv("ethact", eth_current->name);
482 if (first_failed == eth_current) {
487 #ifdef CONFIG_NET_MULTI
488 void eth_set_current(void)
491 struct eth_device* old_current;
493 if (!eth_current) /* XXX no current */
496 act = getenv("ethact");
498 old_current = eth_current;
500 if (strcmp(eth_current->name, act) == 0)
502 eth_current = eth_current->next;
503 } while (old_current != eth_current);
506 setenv("ethact", eth_current->name);
510 char *eth_get_name (void)
512 return (eth_current ? eth_current->name : "unknown");
514 #elif defined(CONFIG_CMD_NET) && !defined(CONFIG_NET_MULTI)
516 extern int at91rm9200_miiphy_initialize(bd_t *bis);
517 extern int emac4xx_miiphy_initialize(bd_t *bis);
518 extern int mcf52x2_miiphy_initialize(bd_t *bis);
519 extern int ns7520_miiphy_initialize(bd_t *bis);
520 extern int dm644x_eth_miiphy_initialize(bd_t *bis);
523 int eth_initialize(bd_t *bis)
525 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
529 #if defined(CONFIG_AT91RM9200)
530 at91rm9200_miiphy_initialize(bis);
532 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) \
533 && !defined(CONFIG_AP1000) && !defined(CONFIG_405)
534 emac4xx_miiphy_initialize(bis);
536 #if defined(CONFIG_MCF52x2)
537 mcf52x2_miiphy_initialize(bis);
539 #if defined(CONFIG_NETARM)
540 ns7520_miiphy_initialize(bis);
542 #if defined(CONFIG_DRIVER_TI_EMAC)
543 dm644x_eth_miiphy_initialize(bis);