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 mcffec_initialize(bd_t*);
66 extern void (*push_packet)(volatile void *, int);
71 } eth_rcv_bufs[PKTBUFSRX];
73 static unsigned int eth_rcv_current = 0, eth_rcv_last = 0;
76 static struct eth_device *eth_devices, *eth_current;
78 struct eth_device *eth_get_dev(void)
83 struct eth_device *eth_get_dev_by_name(char *devname)
85 struct eth_device *dev, *target_dev;
93 if (strcmp(devname, dev->name) == 0) {
98 } while (dev != eth_devices);
103 int eth_get_dev_index (void)
105 struct eth_device *dev;
112 for (dev = eth_devices; dev; dev = dev->next) {
113 if (dev == eth_current)
125 int eth_register(struct eth_device* dev)
127 struct eth_device *d;
130 eth_current = eth_devices = dev;
131 #ifdef CONFIG_NET_MULTI
132 /* update current ethernet name */
134 char *act = getenv("ethact");
135 if (act == NULL || strcmp(act, eth_current->name) != 0)
136 setenv("ethact", eth_current->name);
140 for (d=eth_devices; d->next!=eth_devices; d=d->next);
144 dev->state = ETH_STATE_INIT;
145 dev->next = eth_devices;
150 int eth_initialize(bd_t *bis)
153 unsigned char env_enetaddr[6];
154 int i, eth_number = 0;
160 show_boot_progress (64);
161 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
165 #if defined(CONFIG_DB64360) || defined(CONFIG_CPCI750)
166 mv6436x_eth_initialize(bis);
168 #if defined(CONFIG_DB64460) || defined(CONFIG_P3Mx)
169 mv6446x_eth_initialize(bis);
171 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) && !defined(CONFIG_AP1000)
172 ppc_4xx_eth_initialize(bis);
174 #ifdef CONFIG_INCA_IP_SWITCH
175 inca_switch_initialize(bis);
177 #ifdef CONFIG_PLB2800_ETHER
178 plb2800_eth_initialize(bis);
183 #if defined(CONFIG_MPC5xxx_FEC)
184 mpc5xxx_fec_initialize(bis);
186 #if defined(CONFIG_MPC512x_FEC)
187 mpc512x_fec_initialize (bis);
189 #if defined(CONFIG_MPC8220_FEC)
190 mpc8220_fec_initialize(bis);
192 #if defined(CONFIG_SK98)
193 skge_initialize(bis);
195 #if defined(CONFIG_TSEC1)
196 tsec_initialize(bis, 0, CONFIG_TSEC1_NAME);
198 #if defined(CONFIG_TSEC2)
199 tsec_initialize(bis, 1, CONFIG_TSEC2_NAME);
201 #if defined(CONFIG_MPC85XX_FEC)
202 tsec_initialize(bis, 2, CONFIG_MPC85XX_FEC_NAME);
204 # if defined(CONFIG_TSEC3)
205 tsec_initialize(bis, 2, CONFIG_TSEC3_NAME);
207 # if defined(CONFIG_TSEC4)
208 tsec_initialize(bis, 3, CONFIG_TSEC4_NAME);
211 #if defined(CONFIG_UEC_ETH1)
214 #if defined(CONFIG_UEC_ETH2)
218 #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
221 #if defined(CONFIG_AU1X00)
222 au1x00_enet_initialize(bis);
224 #if defined(CONFIG_IXP4XX_NPE)
228 e1000_initialize(bis);
230 #ifdef CONFIG_EEPRO100
231 eepro100_initialize(bis);
234 dc21x4x_initialize(bis);
237 eth_3com_initialize(bis);
240 pcnet_initialize(bis);
243 gt6426x_eth_initialize(bis);
245 #ifdef CONFIG_NATSEMI
246 natsemi_initialize(bis);
248 #ifdef CONFIG_NS8382X
249 ns8382x_initialize(bis);
251 #if defined(CONFIG_TSI108_ETH)
252 tsi108_eth_initialize(bis);
254 #if defined(CONFIG_ULI526X)
255 uli526x_initialize(bis);
257 #if defined(CONFIG_RTL8139)
258 rtl8139_initialize(bis);
260 #if defined(CONFIG_RTL8169)
261 rtl8169_initialize(bis);
263 #if defined(CONFIG_BF537)
264 bfin_EMAC_initialize(bis);
266 #if defined(CONFIG_ATSTK1000)
267 atstk1000_eth_initialize(bis);
269 #if defined(CONFIG_MCFFEC)
270 mcffec_initialize(bis);
274 puts ("No ethernet found.\n");
275 show_boot_progress (-64);
277 struct eth_device *dev = eth_devices;
278 char *ethprime = getenv ("ethprime");
280 show_boot_progress (65);
285 printf("%s", dev->name);
287 if (ethprime && strcmp (dev->name, ethprime) == 0) {
292 sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number);
293 tmp = getenv (enetvar);
295 for (i=0; i<6; i++) {
296 env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
298 tmp = (*end) ? end+1 : end;
301 if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
302 if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
303 memcmp(dev->enetaddr, env_enetaddr, 6))
305 printf ("\nWarning: %s MAC addresses don't match:\n",
307 printf ("Address in SROM is "
308 "%02X:%02X:%02X:%02X:%02X:%02X\n",
309 dev->enetaddr[0], dev->enetaddr[1],
310 dev->enetaddr[2], dev->enetaddr[3],
311 dev->enetaddr[4], dev->enetaddr[5]);
312 printf ("Address in environment is "
313 "%02X:%02X:%02X:%02X:%02X:%02X\n",
314 env_enetaddr[0], env_enetaddr[1],
315 env_enetaddr[2], env_enetaddr[3],
316 env_enetaddr[4], env_enetaddr[5]);
319 memcpy(dev->enetaddr, env_enetaddr, 6);
324 } while(dev != eth_devices);
326 #ifdef CONFIG_NET_MULTI
327 /* update current ethernet name */
329 char *act = getenv("ethact");
330 if (act == NULL || strcmp(act, eth_current->name) != 0)
331 setenv("ethact", eth_current->name);
333 setenv("ethact", NULL);
342 void eth_set_enetaddr(int num, char *addr) {
343 struct eth_device *dev;
344 unsigned char enetaddr[6];
348 debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr);
353 for (i=0; i<6; i++) {
354 enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0;
356 addr = (*end) ? end+1 : end;
363 if (dev == eth_devices)
367 debug ( "Setting new HW address on %s\n"
368 "New Address is %02X:%02X:%02X:%02X:%02X:%02X\n",
370 enetaddr[0], enetaddr[1],
371 enetaddr[2], enetaddr[3],
372 enetaddr[4], enetaddr[5]);
374 memcpy(dev->enetaddr, enetaddr, 6);
376 #ifdef CONFIG_MCAST_TFTP
378 * mcast_addr: multicast ipaddr from which multicast Mac is made
379 * join: 1=join, 0=leave.
381 int eth_mcast_join( IPaddr_t mcast_ip, u8 join)
384 if (!eth_current || !eth_current->mcast)
386 mcast_mac[5] = htonl(mcast_ip) & 0xff;
387 mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff;
388 mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f;
392 return eth_current->mcast(eth_current, mcast_mac, join);
395 /* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
396 * and this is the ethernet-crc method needed for TSEC -- and perhaps
397 * some other adapter -- hash tables
399 #define CRCPOLY_LE 0xedb88320
400 u32 ether_crc (size_t len, unsigned char const *p)
407 for (i = 0; i < 8; i++)
408 crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
410 /* an reverse the bits, cuz of way they arrive -- last-first */
411 crc = (crc >> 16) | (crc << 16);
412 crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00);
413 crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0);
414 crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc);
415 crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa);
422 int eth_init(bd_t *bis)
424 struct eth_device* old_current;
429 old_current = eth_current;
431 debug ("Trying %s\n", eth_current->name);
433 if (!eth_current->init(eth_current,bis)) {
434 eth_current->state = ETH_STATE_ACTIVE;
441 } while (old_current != eth_current);
451 eth_current->halt(eth_current);
453 eth_current->state = ETH_STATE_PASSIVE;
456 int eth_send(volatile void *packet, int length)
461 return eth_current->send(eth_current, packet, length);
469 return eth_current->recv(eth_current);
473 static void eth_save_packet(volatile void *packet, int length)
475 volatile char *p = packet;
478 if ((eth_rcv_last+1) % PKTBUFSRX == eth_rcv_current)
481 if (PKTSIZE < length)
484 for (i = 0; i < length; i++)
485 eth_rcv_bufs[eth_rcv_last].data[i] = p[i];
487 eth_rcv_bufs[eth_rcv_last].length = length;
488 eth_rcv_last = (eth_rcv_last + 1) % PKTBUFSRX;
491 int eth_receive(volatile void *packet, int length)
493 volatile char *p = packet;
494 void *pp = push_packet;
497 if (eth_rcv_current == eth_rcv_last) {
498 push_packet = eth_save_packet;
502 if (eth_rcv_current == eth_rcv_last)
506 if (length < eth_rcv_bufs[eth_rcv_current].length)
509 length = eth_rcv_bufs[eth_rcv_current].length;
511 for (i = 0; i < length; i++)
512 p[i] = eth_rcv_bufs[eth_rcv_current].data[i];
514 eth_rcv_current = (eth_rcv_current + 1) % PKTBUFSRX;
517 #endif /* CONFIG_API */
519 void eth_try_another(int first_restart)
521 static struct eth_device *first_failed = NULL;
527 first_failed = eth_current;
530 eth_current = eth_current->next;
532 #ifdef CONFIG_NET_MULTI
533 /* update current ethernet name */
535 char *act = getenv("ethact");
536 if (act == NULL || strcmp(act, eth_current->name) != 0)
537 setenv("ethact", eth_current->name);
541 if (first_failed == eth_current) {
546 #ifdef CONFIG_NET_MULTI
547 void eth_set_current(void)
550 struct eth_device* old_current;
552 if (!eth_current) /* XXX no current */
555 act = getenv("ethact");
557 old_current = eth_current;
559 if (strcmp(eth_current->name, act) == 0)
561 eth_current = eth_current->next;
562 } while (old_current != eth_current);
565 setenv("ethact", eth_current->name);
569 char *eth_get_name (void)
571 return (eth_current ? eth_current->name : "unknown");
573 #elif defined(CONFIG_CMD_NET) && !defined(CONFIG_NET_MULTI)
575 extern int at91rm9200_miiphy_initialize(bd_t *bis);
576 extern int emac4xx_miiphy_initialize(bd_t *bis);
577 extern int mcf52x2_miiphy_initialize(bd_t *bis);
578 extern int ns7520_miiphy_initialize(bd_t *bis);
579 extern int dm644x_eth_miiphy_initialize(bd_t *bis);
582 int eth_initialize(bd_t *bis)
584 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
588 #if defined(CONFIG_AT91RM9200)
589 at91rm9200_miiphy_initialize(bis);
591 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) \
592 && !defined(CONFIG_AP1000) && !defined(CONFIG_405)
593 emac4xx_miiphy_initialize(bis);
595 #if defined(CONFIG_MCF52x2)
596 mcf52x2_miiphy_initialize(bis);
598 #if defined(CONFIG_NETARM)
599 ns7520_miiphy_initialize(bis);
601 #if defined(CONFIG_DRIVER_TI_EMAC)
602 dm644x_eth_miiphy_initialize(bis);