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 atngw100_eth_initialize(bd_t *);
64 extern int mcffec_initialize(bd_t*);
65 extern int mcdmafec_initialize(bd_t*);
68 extern void (*push_packet)(volatile void *, int);
73 } eth_rcv_bufs[PKTBUFSRX];
75 static unsigned int eth_rcv_current = 0, eth_rcv_last = 0;
78 static struct eth_device *eth_devices, *eth_current;
80 struct eth_device *eth_get_dev(void)
85 struct eth_device *eth_get_dev_by_name(char *devname)
87 struct eth_device *dev, *target_dev;
95 if (strcmp(devname, dev->name) == 0) {
100 } while (dev != eth_devices);
105 int eth_get_dev_index (void)
107 struct eth_device *dev;
114 for (dev = eth_devices; dev; dev = dev->next) {
115 if (dev == eth_current)
127 int eth_register(struct eth_device* dev)
129 struct eth_device *d;
132 eth_current = eth_devices = dev;
133 #ifdef CONFIG_NET_MULTI
134 /* update current ethernet name */
136 char *act = getenv("ethact");
137 if (act == NULL || strcmp(act, eth_current->name) != 0)
138 setenv("ethact", eth_current->name);
142 for (d=eth_devices; d->next!=eth_devices; d=d->next);
146 dev->state = ETH_STATE_INIT;
147 dev->next = eth_devices;
152 int eth_initialize(bd_t *bis)
155 unsigned char env_enetaddr[6];
156 int i, eth_number = 0;
162 show_boot_progress (64);
163 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
167 #if defined(CONFIG_DB64360) || defined(CONFIG_CPCI750)
168 mv6436x_eth_initialize(bis);
170 #if defined(CONFIG_DB64460) || defined(CONFIG_P3Mx)
171 mv6446x_eth_initialize(bis);
173 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) && !defined(CONFIG_AP1000)
174 ppc_4xx_eth_initialize(bis);
176 #ifdef CONFIG_INCA_IP_SWITCH
177 inca_switch_initialize(bis);
179 #ifdef CONFIG_PLB2800_ETHER
180 plb2800_eth_initialize(bis);
185 #if defined(CONFIG_MPC5xxx_FEC)
186 mpc5xxx_fec_initialize(bis);
188 #if defined(CONFIG_MPC512x_FEC)
189 mpc512x_fec_initialize (bis);
191 #if defined(CONFIG_MPC8220_FEC)
192 mpc8220_fec_initialize(bis);
194 #if defined(CONFIG_SK98)
195 skge_initialize(bis);
197 #if defined(CONFIG_TSEC1)
198 tsec_initialize(bis, 0, CONFIG_TSEC1_NAME);
200 #if defined(CONFIG_TSEC2)
201 tsec_initialize(bis, 1, CONFIG_TSEC2_NAME);
203 #if defined(CONFIG_MPC85XX_FEC)
204 tsec_initialize(bis, 2, CONFIG_MPC85XX_FEC_NAME);
206 # if defined(CONFIG_TSEC3)
207 tsec_initialize(bis, 2, CONFIG_TSEC3_NAME);
209 # if defined(CONFIG_TSEC4)
210 tsec_initialize(bis, 3, CONFIG_TSEC4_NAME);
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_ATNGW100)
278 atngw100_eth_initialize(bis);
280 #if defined(CONFIG_MCFFEC)
281 mcffec_initialize(bis);
283 #if defined(CONFIG_FSLDMAFEC)
284 mcdmafec_initialize(bis);
288 puts ("No ethernet found.\n");
289 show_boot_progress (-64);
291 struct eth_device *dev = eth_devices;
292 char *ethprime = getenv ("ethprime");
294 show_boot_progress (65);
299 printf("%s", dev->name);
301 if (ethprime && strcmp (dev->name, ethprime) == 0) {
306 sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number);
307 tmp = getenv (enetvar);
309 for (i=0; i<6; i++) {
310 env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
312 tmp = (*end) ? end+1 : end;
315 if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
316 if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
317 memcmp(dev->enetaddr, env_enetaddr, 6))
319 printf ("\nWarning: %s MAC addresses don't match:\n",
321 printf ("Address in SROM is "
322 "%02X:%02X:%02X:%02X:%02X:%02X\n",
323 dev->enetaddr[0], dev->enetaddr[1],
324 dev->enetaddr[2], dev->enetaddr[3],
325 dev->enetaddr[4], dev->enetaddr[5]);
326 printf ("Address in environment is "
327 "%02X:%02X:%02X:%02X:%02X:%02X\n",
328 env_enetaddr[0], env_enetaddr[1],
329 env_enetaddr[2], env_enetaddr[3],
330 env_enetaddr[4], env_enetaddr[5]);
333 memcpy(dev->enetaddr, env_enetaddr, 6);
338 } while(dev != eth_devices);
340 #ifdef CONFIG_NET_MULTI
341 /* update current ethernet name */
343 char *act = getenv("ethact");
344 if (act == NULL || strcmp(act, eth_current->name) != 0)
345 setenv("ethact", eth_current->name);
347 setenv("ethact", NULL);
356 void eth_set_enetaddr(int num, char *addr) {
357 struct eth_device *dev;
358 unsigned char enetaddr[6];
362 debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr);
367 for (i=0; i<6; i++) {
368 enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0;
370 addr = (*end) ? end+1 : end;
377 if (dev == eth_devices)
381 debug ( "Setting new HW address on %s\n"
382 "New Address is %02X:%02X:%02X:%02X:%02X:%02X\n",
384 enetaddr[0], enetaddr[1],
385 enetaddr[2], enetaddr[3],
386 enetaddr[4], enetaddr[5]);
388 memcpy(dev->enetaddr, enetaddr, 6);
390 #ifdef CONFIG_MCAST_TFTP
392 * mcast_addr: multicast ipaddr from which multicast Mac is made
393 * join: 1=join, 0=leave.
395 int eth_mcast_join( IPaddr_t mcast_ip, u8 join)
398 if (!eth_current || !eth_current->mcast)
400 mcast_mac[5] = htonl(mcast_ip) & 0xff;
401 mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff;
402 mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f;
406 return eth_current->mcast(eth_current, mcast_mac, join);
409 /* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
410 * and this is the ethernet-crc method needed for TSEC -- and perhaps
411 * some other adapter -- hash tables
413 #define CRCPOLY_LE 0xedb88320
414 u32 ether_crc (size_t len, unsigned char const *p)
421 for (i = 0; i < 8; i++)
422 crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
424 /* an reverse the bits, cuz of way they arrive -- last-first */
425 crc = (crc >> 16) | (crc << 16);
426 crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00);
427 crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0);
428 crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc);
429 crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa);
436 int eth_init(bd_t *bis)
438 struct eth_device* old_current;
443 old_current = eth_current;
445 debug ("Trying %s\n", eth_current->name);
447 if (eth_current->init(eth_current,bis) >= 0) {
448 eth_current->state = ETH_STATE_ACTIVE;
455 } while (old_current != eth_current);
465 eth_current->halt(eth_current);
467 eth_current->state = ETH_STATE_PASSIVE;
470 int eth_send(volatile void *packet, int length)
475 return eth_current->send(eth_current, packet, length);
483 return eth_current->recv(eth_current);
487 static void eth_save_packet(volatile void *packet, int length)
489 volatile char *p = packet;
492 if ((eth_rcv_last+1) % PKTBUFSRX == eth_rcv_current)
495 if (PKTSIZE < length)
498 for (i = 0; i < length; i++)
499 eth_rcv_bufs[eth_rcv_last].data[i] = p[i];
501 eth_rcv_bufs[eth_rcv_last].length = length;
502 eth_rcv_last = (eth_rcv_last + 1) % PKTBUFSRX;
505 int eth_receive(volatile void *packet, int length)
507 volatile char *p = packet;
508 void *pp = push_packet;
511 if (eth_rcv_current == eth_rcv_last) {
512 push_packet = eth_save_packet;
516 if (eth_rcv_current == eth_rcv_last)
520 if (length < eth_rcv_bufs[eth_rcv_current].length)
523 length = eth_rcv_bufs[eth_rcv_current].length;
525 for (i = 0; i < length; i++)
526 p[i] = eth_rcv_bufs[eth_rcv_current].data[i];
528 eth_rcv_current = (eth_rcv_current + 1) % PKTBUFSRX;
531 #endif /* CONFIG_API */
533 void eth_try_another(int first_restart)
535 static struct eth_device *first_failed = NULL;
539 * Do not rotate between network interfaces when
540 * 'ethrotate' variable is set to 'no'.
542 if (((ethrotate = getenv ("ethrotate")) != NULL) &&
543 (strcmp(ethrotate, "no") == 0))
550 first_failed = eth_current;
553 eth_current = eth_current->next;
555 #ifdef CONFIG_NET_MULTI
556 /* update current ethernet name */
558 char *act = getenv("ethact");
559 if (act == NULL || strcmp(act, eth_current->name) != 0)
560 setenv("ethact", eth_current->name);
564 if (first_failed == eth_current) {
569 #ifdef CONFIG_NET_MULTI
570 void eth_set_current(void)
573 struct eth_device* old_current;
575 if (!eth_current) /* XXX no current */
578 act = getenv("ethact");
580 old_current = eth_current;
582 if (strcmp(eth_current->name, act) == 0)
584 eth_current = eth_current->next;
585 } while (old_current != eth_current);
588 setenv("ethact", eth_current->name);
592 char *eth_get_name (void)
594 return (eth_current ? eth_current->name : "unknown");
596 #elif defined(CONFIG_CMD_NET) && !defined(CONFIG_NET_MULTI)
598 extern int at91rm9200_miiphy_initialize(bd_t *bis);
599 extern int emac4xx_miiphy_initialize(bd_t *bis);
600 extern int mcf52x2_miiphy_initialize(bd_t *bis);
601 extern int ns7520_miiphy_initialize(bd_t *bis);
602 extern int dm644x_eth_miiphy_initialize(bd_t *bis);
605 int eth_initialize(bd_t *bis)
607 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
611 #if defined(CONFIG_AT91RM9200)
612 at91rm9200_miiphy_initialize(bis);
614 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) \
615 && !defined(CONFIG_AP1000) && !defined(CONFIG_405)
616 emac4xx_miiphy_initialize(bis);
618 #if defined(CONFIG_MCF52x2)
619 mcf52x2_miiphy_initialize(bis);
621 #if defined(CONFIG_NETARM)
622 ns7520_miiphy_initialize(bis);
624 #if defined(CONFIG_DRIVER_TI_EMAC)
625 dm644x_eth_miiphy_initialize(bis);