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 * 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 atstk1000_eth_initialize(bd_t *);
73 extern int greth_initialize(bd_t *);
74 extern int atngw100_eth_initialize(bd_t *);
75 extern int mcffec_initialize(bd_t*);
76 extern int mcdmafec_initialize(bd_t*);
77 extern int at91sam9_eth_initialize(bd_t *);
80 extern void (*push_packet)(volatile void *, int);
85 } eth_rcv_bufs[PKTBUFSRX];
87 static unsigned int eth_rcv_current = 0, eth_rcv_last = 0;
90 static struct eth_device *eth_devices, *eth_current;
92 struct eth_device *eth_get_dev(void)
97 struct eth_device *eth_get_dev_by_name(char *devname)
99 struct eth_device *dev, *target_dev;
107 if (strcmp(devname, dev->name) == 0) {
112 } while (dev != eth_devices);
117 int eth_get_dev_index (void)
119 struct eth_device *dev;
126 for (dev = eth_devices; dev; dev = dev->next) {
127 if (dev == eth_current)
139 int eth_register(struct eth_device* dev)
141 struct eth_device *d;
144 eth_current = eth_devices = dev;
145 #ifdef CONFIG_NET_MULTI
146 /* update current ethernet name */
148 char *act = getenv("ethact");
149 if (act == NULL || strcmp(act, eth_current->name) != 0)
150 setenv("ethact", eth_current->name);
154 for (d=eth_devices; d->next!=eth_devices; d=d->next);
158 dev->state = ETH_STATE_INIT;
159 dev->next = eth_devices;
164 int eth_initialize(bd_t *bis)
167 unsigned char env_enetaddr[6];
168 int i, eth_number = 0;
174 show_boot_progress (64);
175 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
178 /* Try board-specific initialization first. If it fails or isn't
179 * present, try the cpu-specific initialization */
180 if (board_eth_init(bis) < 0)
183 #if defined(CONFIG_DB64360) || defined(CONFIG_CPCI750)
184 mv6436x_eth_initialize(bis);
186 #if defined(CONFIG_DB64460) || defined(CONFIG_P3Mx)
187 mv6446x_eth_initialize(bis);
189 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) && !defined(CONFIG_AP1000)
190 ppc_4xx_eth_initialize(bis);
192 #ifdef CONFIG_INCA_IP_SWITCH
193 inca_switch_initialize(bis);
195 #ifdef CONFIG_PLB2800_ETHER
196 plb2800_eth_initialize(bis);
201 #if defined(CONFIG_MPC5xxx_FEC)
202 mpc5xxx_fec_initialize(bis);
204 #if defined(CONFIG_MPC512x_FEC)
205 mpc512x_fec_initialize (bis);
207 #if defined(CONFIG_MPC8220_FEC)
208 mpc8220_fec_initialize(bis);
210 #if defined(CONFIG_SK98)
211 skge_initialize(bis);
213 #if defined(CONFIG_UEC_ETH1)
216 #if defined(CONFIG_UEC_ETH2)
219 #if defined(CONFIG_UEC_ETH3)
222 #if defined(CONFIG_UEC_ETH4)
226 #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
229 #if defined(CONFIG_AU1X00)
230 au1x00_enet_initialize(bis);
232 #if defined(CONFIG_IXP4XX_NPE)
236 e1000_initialize(bis);
238 #ifdef CONFIG_EEPRO100
239 eepro100_initialize(bis);
242 dc21x4x_initialize(bis);
245 eth_3com_initialize(bis);
248 pcnet_initialize(bis);
251 gt6426x_eth_initialize(bis);
253 #ifdef CONFIG_NATSEMI
254 natsemi_initialize(bis);
256 #ifdef CONFIG_NS8382X
257 ns8382x_initialize(bis);
259 #if defined(CONFIG_TSI108_ETH)
260 tsi108_eth_initialize(bis);
262 #if defined(CONFIG_ULI526X)
263 uli526x_initialize(bis);
265 #if defined(CONFIG_RTL8139)
266 rtl8139_initialize(bis);
268 #if defined(CONFIG_RTL8169)
269 rtl8169_initialize(bis);
271 #if defined(CONFIG_BF537)
272 bfin_EMAC_initialize(bis);
274 #if defined(CONFIG_ATSTK1000)
275 atstk1000_eth_initialize(bis);
277 #if defined(CONFIG_GRETH)
278 greth_initialize(bis);
280 #if defined(CONFIG_ATNGW100)
281 atngw100_eth_initialize(bis);
283 #if defined(CONFIG_MCFFEC)
284 mcffec_initialize(bis);
286 #if defined(CONFIG_FSLDMAFEC)
287 mcdmafec_initialize(bis);
289 #if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
290 defined(CONFIG_AT91SAM9263)
291 at91sam9_eth_initialize(bis);
295 puts ("No ethernet found.\n");
296 show_boot_progress (-64);
298 struct eth_device *dev = eth_devices;
299 char *ethprime = getenv ("ethprime");
301 show_boot_progress (65);
306 printf("%s", dev->name);
308 if (ethprime && strcmp (dev->name, ethprime) == 0) {
313 sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number);
314 tmp = getenv (enetvar);
316 for (i=0; i<6; i++) {
317 env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
319 tmp = (*end) ? end+1 : end;
322 if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
323 if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
324 memcmp(dev->enetaddr, env_enetaddr, 6))
326 printf ("\nWarning: %s MAC addresses don't match:\n",
328 printf ("Address in SROM is "
329 "%02X:%02X:%02X:%02X:%02X:%02X\n",
330 dev->enetaddr[0], dev->enetaddr[1],
331 dev->enetaddr[2], dev->enetaddr[3],
332 dev->enetaddr[4], dev->enetaddr[5]);
333 printf ("Address in environment is "
334 "%02X:%02X:%02X:%02X:%02X:%02X\n",
335 env_enetaddr[0], env_enetaddr[1],
336 env_enetaddr[2], env_enetaddr[3],
337 env_enetaddr[4], env_enetaddr[5]);
340 memcpy(dev->enetaddr, env_enetaddr, 6);
345 } while(dev != eth_devices);
347 #ifdef CONFIG_NET_MULTI
348 /* update current ethernet name */
350 char *act = getenv("ethact");
351 if (act == NULL || strcmp(act, eth_current->name) != 0)
352 setenv("ethact", eth_current->name);
354 setenv("ethact", NULL);
363 void eth_set_enetaddr(int num, char *addr) {
364 struct eth_device *dev;
365 unsigned char enetaddr[6];
369 debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr);
374 for (i=0; i<6; i++) {
375 enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0;
377 addr = (*end) ? end+1 : end;
384 if (dev == eth_devices)
388 debug ( "Setting new HW address on %s\n"
389 "New Address is %02X:%02X:%02X:%02X:%02X:%02X\n",
391 enetaddr[0], enetaddr[1],
392 enetaddr[2], enetaddr[3],
393 enetaddr[4], enetaddr[5]);
395 memcpy(dev->enetaddr, enetaddr, 6);
397 #ifdef CONFIG_MCAST_TFTP
399 * mcast_addr: multicast ipaddr from which multicast Mac is made
400 * join: 1=join, 0=leave.
402 int eth_mcast_join( IPaddr_t mcast_ip, u8 join)
405 if (!eth_current || !eth_current->mcast)
407 mcast_mac[5] = htonl(mcast_ip) & 0xff;
408 mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff;
409 mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f;
413 return eth_current->mcast(eth_current, mcast_mac, join);
416 /* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
417 * and this is the ethernet-crc method needed for TSEC -- and perhaps
418 * some other adapter -- hash tables
420 #define CRCPOLY_LE 0xedb88320
421 u32 ether_crc (size_t len, unsigned char const *p)
428 for (i = 0; i < 8; i++)
429 crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
431 /* an reverse the bits, cuz of way they arrive -- last-first */
432 crc = (crc >> 16) | (crc << 16);
433 crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00);
434 crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0);
435 crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc);
436 crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa);
443 int eth_init(bd_t *bis)
445 struct eth_device* old_current;
448 puts ("No ethernet found.\n");
452 old_current = eth_current;
454 debug ("Trying %s\n", eth_current->name);
456 if (eth_current->init(eth_current,bis) >= 0) {
457 eth_current->state = ETH_STATE_ACTIVE;
464 } while (old_current != eth_current);
474 eth_current->halt(eth_current);
476 eth_current->state = ETH_STATE_PASSIVE;
479 int eth_send(volatile void *packet, int length)
484 return eth_current->send(eth_current, packet, length);
492 return eth_current->recv(eth_current);
496 static void eth_save_packet(volatile void *packet, int length)
498 volatile char *p = packet;
501 if ((eth_rcv_last+1) % PKTBUFSRX == eth_rcv_current)
504 if (PKTSIZE < length)
507 for (i = 0; i < length; i++)
508 eth_rcv_bufs[eth_rcv_last].data[i] = p[i];
510 eth_rcv_bufs[eth_rcv_last].length = length;
511 eth_rcv_last = (eth_rcv_last + 1) % PKTBUFSRX;
514 int eth_receive(volatile void *packet, int length)
516 volatile char *p = packet;
517 void *pp = push_packet;
520 if (eth_rcv_current == eth_rcv_last) {
521 push_packet = eth_save_packet;
525 if (eth_rcv_current == eth_rcv_last)
529 if (length < eth_rcv_bufs[eth_rcv_current].length)
532 length = eth_rcv_bufs[eth_rcv_current].length;
534 for (i = 0; i < length; i++)
535 p[i] = eth_rcv_bufs[eth_rcv_current].data[i];
537 eth_rcv_current = (eth_rcv_current + 1) % PKTBUFSRX;
540 #endif /* CONFIG_API */
542 void eth_try_another(int first_restart)
544 static struct eth_device *first_failed = NULL;
548 * Do not rotate between network interfaces when
549 * 'ethrotate' variable is set to 'no'.
551 if (((ethrotate = getenv ("ethrotate")) != NULL) &&
552 (strcmp(ethrotate, "no") == 0))
559 first_failed = eth_current;
562 eth_current = eth_current->next;
564 #ifdef CONFIG_NET_MULTI
565 /* update current ethernet name */
567 char *act = getenv("ethact");
568 if (act == NULL || strcmp(act, eth_current->name) != 0)
569 setenv("ethact", eth_current->name);
573 if (first_failed == eth_current) {
578 #ifdef CONFIG_NET_MULTI
579 void eth_set_current(void)
582 struct eth_device* old_current;
584 if (!eth_current) /* XXX no current */
587 act = getenv("ethact");
589 old_current = eth_current;
591 if (strcmp(eth_current->name, act) == 0)
593 eth_current = eth_current->next;
594 } while (old_current != eth_current);
597 setenv("ethact", eth_current->name);
601 char *eth_get_name (void)
603 return (eth_current ? eth_current->name : "unknown");
605 #elif defined(CONFIG_CMD_NET) && !defined(CONFIG_NET_MULTI)
607 extern int at91rm9200_miiphy_initialize(bd_t *bis);
608 extern int emac4xx_miiphy_initialize(bd_t *bis);
609 extern int mcf52x2_miiphy_initialize(bd_t *bis);
610 extern int ns7520_miiphy_initialize(bd_t *bis);
611 extern int dm644x_eth_miiphy_initialize(bd_t *bis);
614 int eth_initialize(bd_t *bis)
616 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
620 #if defined(CONFIG_AT91RM9200)
621 at91rm9200_miiphy_initialize(bis);
623 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) \
624 && !defined(CONFIG_AP1000) && !defined(CONFIG_405)
625 emac4xx_miiphy_initialize(bis);
627 #if defined(CONFIG_MCF52x2)
628 mcf52x2_miiphy_initialize(bis);
630 #if defined(CONFIG_NETARM)
631 ns7520_miiphy_initialize(bis);
633 #if defined(CONFIG_DRIVER_TI_EMAC)
634 dm644x_eth_miiphy_initialize(bis);