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 * CPU and board-specific Ethernet initializations. Aliased function
33 * signals caller to move on
35 static int __def_eth_init(bd_t *bis)
39 int cpu_eth_init(bd_t *bis) __attribute((weak, alias("__def_eth_init")));
40 int board_eth_init(bd_t *bis) __attribute((weak, alias("__def_eth_init")));
43 extern int gt6426x_eth_initialize(bd_t *bis);
46 extern int au1x00_enet_initialize(bd_t*);
47 extern int dc21x4x_initialize(bd_t*);
48 extern int e1000_initialize(bd_t*);
49 extern int eepro100_initialize(bd_t*);
50 extern int eth_3com_initialize(bd_t*);
51 extern int fec_initialize(bd_t*);
52 extern int inca_switch_initialize(bd_t*);
53 extern int mpc5xxx_fec_initialize(bd_t*);
54 extern int mpc512x_fec_initialize(bd_t*);
55 extern int mpc8220_fec_initialize(bd_t*);
56 extern int mv6436x_eth_initialize(bd_t *);
57 extern int mv6446x_eth_initialize(bd_t *);
58 extern int natsemi_initialize(bd_t*);
59 extern int ns8382x_initialize(bd_t*);
60 extern int pcnet_initialize(bd_t*);
61 extern int plb2800_eth_initialize(bd_t*);
62 extern int ppc_4xx_eth_initialize(bd_t *);
63 extern int rtl8139_initialize(bd_t*);
64 extern int rtl8169_initialize(bd_t*);
65 extern int scc_initialize(bd_t*);
66 extern int skge_initialize(bd_t*);
67 extern int tsi108_eth_initialize(bd_t*);
68 extern int uli526x_initialize(bd_t *);
69 extern int npe_initialize(bd_t *);
70 extern int uec_initialize(int);
71 extern int bfin_EMAC_initialize(bd_t *);
72 extern int greth_initialize(bd_t *);
73 extern int at91sam9_eth_initialize(bd_t *);
76 extern void (*push_packet)(volatile void *, int);
81 } eth_rcv_bufs[PKTBUFSRX];
83 static unsigned int eth_rcv_current = 0, eth_rcv_last = 0;
86 static struct eth_device *eth_devices, *eth_current;
88 struct eth_device *eth_get_dev(void)
93 struct eth_device *eth_get_dev_by_name(char *devname)
95 struct eth_device *dev, *target_dev;
103 if (strcmp(devname, dev->name) == 0) {
108 } while (dev != eth_devices);
113 int eth_get_dev_index (void)
115 struct eth_device *dev;
122 for (dev = eth_devices; dev; dev = dev->next) {
123 if (dev == eth_current)
135 int eth_register(struct eth_device* dev)
137 struct eth_device *d;
140 eth_current = eth_devices = dev;
141 #ifdef CONFIG_NET_MULTI
142 /* update current ethernet name */
144 char *act = getenv("ethact");
145 if (act == NULL || strcmp(act, eth_current->name) != 0)
146 setenv("ethact", eth_current->name);
150 for (d=eth_devices; d->next!=eth_devices; d=d->next);
154 dev->state = ETH_STATE_INIT;
155 dev->next = eth_devices;
160 int eth_initialize(bd_t *bis)
163 unsigned char env_enetaddr[6];
164 int i, eth_number = 0;
170 show_boot_progress (64);
171 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
174 /* Try board-specific initialization first. If it fails or isn't
175 * present, try the cpu-specific initialization */
176 if (board_eth_init(bis) < 0)
179 #if defined(CONFIG_DB64360) || defined(CONFIG_CPCI750)
180 mv6436x_eth_initialize(bis);
182 #if defined(CONFIG_DB64460) || defined(CONFIG_P3Mx)
183 mv6446x_eth_initialize(bis);
185 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) && !defined(CONFIG_AP1000)
186 ppc_4xx_eth_initialize(bis);
188 #ifdef CONFIG_INCA_IP_SWITCH
189 inca_switch_initialize(bis);
191 #ifdef CONFIG_PLB2800_ETHER
192 plb2800_eth_initialize(bis);
197 #if defined(CONFIG_MPC5xxx_FEC)
198 mpc5xxx_fec_initialize(bis);
200 #if defined(CONFIG_MPC512x_FEC)
201 mpc512x_fec_initialize (bis);
203 #if defined(CONFIG_MPC8220_FEC)
204 mpc8220_fec_initialize(bis);
206 #if defined(CONFIG_SK98)
207 skge_initialize(bis);
209 #if defined(CONFIG_UEC_ETH1)
212 #if defined(CONFIG_UEC_ETH2)
215 #if defined(CONFIG_UEC_ETH3)
218 #if defined(CONFIG_UEC_ETH4)
222 #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
225 #if defined(CONFIG_AU1X00)
226 au1x00_enet_initialize(bis);
228 #if defined(CONFIG_IXP4XX_NPE)
232 e1000_initialize(bis);
234 #ifdef CONFIG_EEPRO100
235 eepro100_initialize(bis);
238 dc21x4x_initialize(bis);
241 eth_3com_initialize(bis);
244 pcnet_initialize(bis);
247 gt6426x_eth_initialize(bis);
249 #ifdef CONFIG_NATSEMI
250 natsemi_initialize(bis);
252 #ifdef CONFIG_NS8382X
253 ns8382x_initialize(bis);
255 #if defined(CONFIG_TSI108_ETH)
256 tsi108_eth_initialize(bis);
258 #if defined(CONFIG_ULI526X)
259 uli526x_initialize(bis);
261 #if defined(CONFIG_RTL8139)
262 rtl8139_initialize(bis);
264 #if defined(CONFIG_RTL8169)
265 rtl8169_initialize(bis);
267 #if defined(CONFIG_BF537)
268 bfin_EMAC_initialize(bis);
270 #if defined(CONFIG_GRETH)
271 greth_initialize(bis);
273 #if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
274 defined(CONFIG_AT91SAM9263)
275 at91sam9_eth_initialize(bis);
279 puts ("No ethernet found.\n");
280 show_boot_progress (-64);
282 struct eth_device *dev = eth_devices;
283 char *ethprime = getenv ("ethprime");
285 show_boot_progress (65);
290 printf("%s", dev->name);
292 if (ethprime && strcmp (dev->name, ethprime) == 0) {
297 sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number);
298 tmp = getenv (enetvar);
300 for (i=0; i<6; i++) {
301 env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
303 tmp = (*end) ? end+1 : end;
306 if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
307 if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
308 memcmp(dev->enetaddr, env_enetaddr, 6))
310 printf ("\nWarning: %s MAC addresses don't match:\n",
312 printf ("Address in SROM is "
313 "%02X:%02X:%02X:%02X:%02X:%02X\n",
314 dev->enetaddr[0], dev->enetaddr[1],
315 dev->enetaddr[2], dev->enetaddr[3],
316 dev->enetaddr[4], dev->enetaddr[5]);
317 printf ("Address in environment is "
318 "%02X:%02X:%02X:%02X:%02X:%02X\n",
319 env_enetaddr[0], env_enetaddr[1],
320 env_enetaddr[2], env_enetaddr[3],
321 env_enetaddr[4], env_enetaddr[5]);
324 memcpy(dev->enetaddr, env_enetaddr, 6);
329 } while(dev != eth_devices);
331 #ifdef CONFIG_NET_MULTI
332 /* update current ethernet name */
334 char *act = getenv("ethact");
335 if (act == NULL || strcmp(act, eth_current->name) != 0)
336 setenv("ethact", eth_current->name);
338 setenv("ethact", NULL);
347 void eth_set_enetaddr(int num, char *addr) {
348 struct eth_device *dev;
349 unsigned char enetaddr[6];
353 debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr);
358 for (i=0; i<6; i++) {
359 enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0;
361 addr = (*end) ? end+1 : end;
368 if (dev == eth_devices)
372 debug ( "Setting new HW address on %s\n"
373 "New Address is %02X:%02X:%02X:%02X:%02X:%02X\n",
375 enetaddr[0], enetaddr[1],
376 enetaddr[2], enetaddr[3],
377 enetaddr[4], enetaddr[5]);
379 memcpy(dev->enetaddr, enetaddr, 6);
381 #ifdef CONFIG_MCAST_TFTP
383 * mcast_addr: multicast ipaddr from which multicast Mac is made
384 * join: 1=join, 0=leave.
386 int eth_mcast_join( IPaddr_t mcast_ip, u8 join)
389 if (!eth_current || !eth_current->mcast)
391 mcast_mac[5] = htonl(mcast_ip) & 0xff;
392 mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff;
393 mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f;
397 return eth_current->mcast(eth_current, mcast_mac, join);
400 /* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
401 * and this is the ethernet-crc method needed for TSEC -- and perhaps
402 * some other adapter -- hash tables
404 #define CRCPOLY_LE 0xedb88320
405 u32 ether_crc (size_t len, unsigned char const *p)
412 for (i = 0; i < 8; i++)
413 crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
415 /* an reverse the bits, cuz of way they arrive -- last-first */
416 crc = (crc >> 16) | (crc << 16);
417 crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00);
418 crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0);
419 crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc);
420 crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa);
427 int eth_init(bd_t *bis)
429 struct eth_device* old_current;
432 puts ("No ethernet found.\n");
436 old_current = eth_current;
438 debug ("Trying %s\n", eth_current->name);
440 if (eth_current->init(eth_current,bis) >= 0) {
441 eth_current->state = ETH_STATE_ACTIVE;
448 } while (old_current != eth_current);
458 eth_current->halt(eth_current);
460 eth_current->state = ETH_STATE_PASSIVE;
463 int eth_send(volatile void *packet, int length)
468 return eth_current->send(eth_current, packet, length);
476 return eth_current->recv(eth_current);
480 static void eth_save_packet(volatile void *packet, int length)
482 volatile char *p = packet;
485 if ((eth_rcv_last+1) % PKTBUFSRX == eth_rcv_current)
488 if (PKTSIZE < length)
491 for (i = 0; i < length; i++)
492 eth_rcv_bufs[eth_rcv_last].data[i] = p[i];
494 eth_rcv_bufs[eth_rcv_last].length = length;
495 eth_rcv_last = (eth_rcv_last + 1) % PKTBUFSRX;
498 int eth_receive(volatile void *packet, int length)
500 volatile char *p = packet;
501 void *pp = push_packet;
504 if (eth_rcv_current == eth_rcv_last) {
505 push_packet = eth_save_packet;
509 if (eth_rcv_current == eth_rcv_last)
513 if (length < eth_rcv_bufs[eth_rcv_current].length)
516 length = eth_rcv_bufs[eth_rcv_current].length;
518 for (i = 0; i < length; i++)
519 p[i] = eth_rcv_bufs[eth_rcv_current].data[i];
521 eth_rcv_current = (eth_rcv_current + 1) % PKTBUFSRX;
524 #endif /* CONFIG_API */
526 void eth_try_another(int first_restart)
528 static struct eth_device *first_failed = NULL;
532 * Do not rotate between network interfaces when
533 * 'ethrotate' variable is set to 'no'.
535 if (((ethrotate = getenv ("ethrotate")) != NULL) &&
536 (strcmp(ethrotate, "no") == 0))
543 first_failed = eth_current;
546 eth_current = eth_current->next;
548 #ifdef CONFIG_NET_MULTI
549 /* update current ethernet name */
551 char *act = getenv("ethact");
552 if (act == NULL || strcmp(act, eth_current->name) != 0)
553 setenv("ethact", eth_current->name);
557 if (first_failed == eth_current) {
562 #ifdef CONFIG_NET_MULTI
563 void eth_set_current(void)
566 struct eth_device* old_current;
568 if (!eth_current) /* XXX no current */
571 act = getenv("ethact");
573 old_current = eth_current;
575 if (strcmp(eth_current->name, act) == 0)
577 eth_current = eth_current->next;
578 } while (old_current != eth_current);
581 setenv("ethact", eth_current->name);
585 char *eth_get_name (void)
587 return (eth_current ? eth_current->name : "unknown");
589 #elif defined(CONFIG_CMD_NET) && !defined(CONFIG_NET_MULTI)
591 extern int at91rm9200_miiphy_initialize(bd_t *bis);
592 extern int emac4xx_miiphy_initialize(bd_t *bis);
593 extern int mcf52x2_miiphy_initialize(bd_t *bis);
594 extern int ns7520_miiphy_initialize(bd_t *bis);
595 extern int dm644x_eth_miiphy_initialize(bd_t *bis);
598 int eth_initialize(bd_t *bis)
600 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
604 #if defined(CONFIG_AT91RM9200)
605 at91rm9200_miiphy_initialize(bis);
607 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) \
608 && !defined(CONFIG_AP1000) && !defined(CONFIG_405)
609 emac4xx_miiphy_initialize(bis);
611 #if defined(CONFIG_MCF52x2)
612 mcf52x2_miiphy_initialize(bis);
614 #if defined(CONFIG_DRIVER_NS7520_ETHERNET)
615 ns7520_miiphy_initialize(bis);
617 #if defined(CONFIG_DRIVER_TI_EMAC)
618 dm644x_eth_miiphy_initialize(bis);