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 npe_initialize(bd_t *);
69 extern int uec_initialize(int);
70 extern int at91sam9_eth_initialize(bd_t *);
73 extern void (*push_packet)(volatile void *, int);
78 } eth_rcv_bufs[PKTBUFSRX];
80 static unsigned int eth_rcv_current = 0, eth_rcv_last = 0;
83 static struct eth_device *eth_devices, *eth_current;
85 struct eth_device *eth_get_dev(void)
90 struct eth_device *eth_get_dev_by_name(char *devname)
92 struct eth_device *dev, *target_dev;
100 if (strcmp(devname, dev->name) == 0) {
105 } while (dev != eth_devices);
110 int eth_get_dev_index (void)
112 struct eth_device *dev;
119 for (dev = eth_devices; dev; dev = dev->next) {
120 if (dev == eth_current)
132 int eth_register(struct eth_device* dev)
134 struct eth_device *d;
137 eth_current = eth_devices = dev;
138 #ifdef CONFIG_NET_MULTI
139 /* update current ethernet name */
141 char *act = getenv("ethact");
142 if (act == NULL || strcmp(act, eth_current->name) != 0)
143 setenv("ethact", eth_current->name);
147 for (d=eth_devices; d->next!=eth_devices; d=d->next);
151 dev->state = ETH_STATE_INIT;
152 dev->next = eth_devices;
157 int eth_initialize(bd_t *bis)
160 unsigned char env_enetaddr[6];
161 int i, eth_number = 0;
167 show_boot_progress (64);
168 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
171 /* Try board-specific initialization first. If it fails or isn't
172 * present, try the cpu-specific initialization */
173 if (board_eth_init(bis) < 0)
176 #if defined(CONFIG_DB64360) || defined(CONFIG_CPCI750)
177 mv6436x_eth_initialize(bis);
179 #if defined(CONFIG_DB64460) || defined(CONFIG_P3Mx)
180 mv6446x_eth_initialize(bis);
182 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) && !defined(CONFIG_AP1000)
183 ppc_4xx_eth_initialize(bis);
185 #ifdef CONFIG_INCA_IP_SWITCH
186 inca_switch_initialize(bis);
188 #ifdef CONFIG_PLB2800_ETHER
189 plb2800_eth_initialize(bis);
194 #if defined(CONFIG_MPC5xxx_FEC)
195 mpc5xxx_fec_initialize(bis);
197 #if defined(CONFIG_MPC512x_FEC)
198 mpc512x_fec_initialize (bis);
200 #if defined(CONFIG_MPC8220_FEC)
201 mpc8220_fec_initialize(bis);
203 #if defined(CONFIG_SK98)
204 skge_initialize(bis);
206 #if defined(CONFIG_UEC_ETH1)
209 #if defined(CONFIG_UEC_ETH2)
212 #if defined(CONFIG_UEC_ETH3)
215 #if defined(CONFIG_UEC_ETH4)
219 #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
222 #if defined(CONFIG_AU1X00)
223 au1x00_enet_initialize(bis);
225 #if defined(CONFIG_IXP4XX_NPE)
229 e1000_initialize(bis);
231 #ifdef CONFIG_EEPRO100
232 eepro100_initialize(bis);
235 dc21x4x_initialize(bis);
238 eth_3com_initialize(bis);
241 pcnet_initialize(bis);
244 gt6426x_eth_initialize(bis);
246 #ifdef CONFIG_NATSEMI
247 natsemi_initialize(bis);
249 #ifdef CONFIG_NS8382X
250 ns8382x_initialize(bis);
252 #if defined(CONFIG_TSI108_ETH)
253 tsi108_eth_initialize(bis);
255 #if defined(CONFIG_RTL8139)
256 rtl8139_initialize(bis);
258 #if defined(CONFIG_RTL8169)
259 rtl8169_initialize(bis);
261 #if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
262 defined(CONFIG_AT91SAM9263)
263 at91sam9_eth_initialize(bis);
267 puts ("No ethernet found.\n");
268 show_boot_progress (-64);
270 struct eth_device *dev = eth_devices;
271 char *ethprime = getenv ("ethprime");
273 show_boot_progress (65);
278 printf("%s", dev->name);
280 if (ethprime && strcmp (dev->name, ethprime) == 0) {
285 sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number);
286 tmp = getenv (enetvar);
288 for (i=0; i<6; i++) {
289 env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
291 tmp = (*end) ? end+1 : end;
294 if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
295 if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
296 memcmp(dev->enetaddr, env_enetaddr, 6))
298 printf ("\nWarning: %s MAC addresses don't match:\n",
300 printf ("Address in SROM is "
301 "%02X:%02X:%02X:%02X:%02X:%02X\n",
302 dev->enetaddr[0], dev->enetaddr[1],
303 dev->enetaddr[2], dev->enetaddr[3],
304 dev->enetaddr[4], dev->enetaddr[5]);
305 printf ("Address in environment is "
306 "%02X:%02X:%02X:%02X:%02X:%02X\n",
307 env_enetaddr[0], env_enetaddr[1],
308 env_enetaddr[2], env_enetaddr[3],
309 env_enetaddr[4], env_enetaddr[5]);
312 memcpy(dev->enetaddr, env_enetaddr, 6);
317 } while(dev != eth_devices);
319 #ifdef CONFIG_NET_MULTI
320 /* update current ethernet name */
322 char *act = getenv("ethact");
323 if (act == NULL || strcmp(act, eth_current->name) != 0)
324 setenv("ethact", eth_current->name);
326 setenv("ethact", NULL);
335 void eth_set_enetaddr(int num, char *addr) {
336 struct eth_device *dev;
337 unsigned char enetaddr[6];
341 debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr);
346 for (i=0; i<6; i++) {
347 enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0;
349 addr = (*end) ? end+1 : end;
356 if (dev == eth_devices)
360 debug ( "Setting new HW address on %s\n"
361 "New Address is %02X:%02X:%02X:%02X:%02X:%02X\n",
363 enetaddr[0], enetaddr[1],
364 enetaddr[2], enetaddr[3],
365 enetaddr[4], enetaddr[5]);
367 memcpy(dev->enetaddr, enetaddr, 6);
369 #ifdef CONFIG_MCAST_TFTP
371 * mcast_addr: multicast ipaddr from which multicast Mac is made
372 * join: 1=join, 0=leave.
374 int eth_mcast_join( IPaddr_t mcast_ip, u8 join)
377 if (!eth_current || !eth_current->mcast)
379 mcast_mac[5] = htonl(mcast_ip) & 0xff;
380 mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff;
381 mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f;
385 return eth_current->mcast(eth_current, mcast_mac, join);
388 /* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
389 * and this is the ethernet-crc method needed for TSEC -- and perhaps
390 * some other adapter -- hash tables
392 #define CRCPOLY_LE 0xedb88320
393 u32 ether_crc (size_t len, unsigned char const *p)
400 for (i = 0; i < 8; i++)
401 crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
403 /* an reverse the bits, cuz of way they arrive -- last-first */
404 crc = (crc >> 16) | (crc << 16);
405 crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00);
406 crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0);
407 crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc);
408 crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa);
415 int eth_init(bd_t *bis)
417 struct eth_device* old_current;
420 puts ("No ethernet found.\n");
424 old_current = eth_current;
426 debug ("Trying %s\n", eth_current->name);
428 if (eth_current->init(eth_current,bis) >= 0) {
429 eth_current->state = ETH_STATE_ACTIVE;
436 } while (old_current != eth_current);
446 eth_current->halt(eth_current);
448 eth_current->state = ETH_STATE_PASSIVE;
451 int eth_send(volatile void *packet, int length)
456 return eth_current->send(eth_current, packet, length);
464 return eth_current->recv(eth_current);
468 static void eth_save_packet(volatile void *packet, int length)
470 volatile char *p = packet;
473 if ((eth_rcv_last+1) % PKTBUFSRX == eth_rcv_current)
476 if (PKTSIZE < length)
479 for (i = 0; i < length; i++)
480 eth_rcv_bufs[eth_rcv_last].data[i] = p[i];
482 eth_rcv_bufs[eth_rcv_last].length = length;
483 eth_rcv_last = (eth_rcv_last + 1) % PKTBUFSRX;
486 int eth_receive(volatile void *packet, int length)
488 volatile char *p = packet;
489 void *pp = push_packet;
492 if (eth_rcv_current == eth_rcv_last) {
493 push_packet = eth_save_packet;
497 if (eth_rcv_current == eth_rcv_last)
501 if (length < eth_rcv_bufs[eth_rcv_current].length)
504 length = eth_rcv_bufs[eth_rcv_current].length;
506 for (i = 0; i < length; i++)
507 p[i] = eth_rcv_bufs[eth_rcv_current].data[i];
509 eth_rcv_current = (eth_rcv_current + 1) % PKTBUFSRX;
512 #endif /* CONFIG_API */
514 void eth_try_another(int first_restart)
516 static struct eth_device *first_failed = NULL;
520 * Do not rotate between network interfaces when
521 * 'ethrotate' variable is set to 'no'.
523 if (((ethrotate = getenv ("ethrotate")) != NULL) &&
524 (strcmp(ethrotate, "no") == 0))
531 first_failed = eth_current;
534 eth_current = eth_current->next;
536 #ifdef CONFIG_NET_MULTI
537 /* update current ethernet name */
539 char *act = getenv("ethact");
540 if (act == NULL || strcmp(act, eth_current->name) != 0)
541 setenv("ethact", eth_current->name);
545 if (first_failed == eth_current) {
550 #ifdef CONFIG_NET_MULTI
551 void eth_set_current(void)
554 struct eth_device* old_current;
556 if (!eth_current) /* XXX no current */
559 act = getenv("ethact");
561 old_current = eth_current;
563 if (strcmp(eth_current->name, act) == 0)
565 eth_current = eth_current->next;
566 } while (old_current != eth_current);
569 setenv("ethact", eth_current->name);
573 char *eth_get_name (void)
575 return (eth_current ? eth_current->name : "unknown");
577 #elif defined(CONFIG_CMD_NET) && !defined(CONFIG_NET_MULTI)
579 extern int at91rm9200_miiphy_initialize(bd_t *bis);
580 extern int emac4xx_miiphy_initialize(bd_t *bis);
581 extern int mcf52x2_miiphy_initialize(bd_t *bis);
582 extern int ns7520_miiphy_initialize(bd_t *bis);
583 extern int dm644x_eth_miiphy_initialize(bd_t *bis);
586 int eth_initialize(bd_t *bis)
588 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
592 #if defined(CONFIG_AT91RM9200)
593 at91rm9200_miiphy_initialize(bis);
595 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) \
596 && !defined(CONFIG_AP1000) && !defined(CONFIG_405)
597 emac4xx_miiphy_initialize(bis);
599 #if defined(CONFIG_MCF52x2)
600 mcf52x2_miiphy_initialize(bis);
602 #if defined(CONFIG_DRIVER_NS7520_ETHERNET)
603 ns7520_miiphy_initialize(bis);
605 #if defined(CONFIG_DRIVER_TI_EMAC)
606 dm644x_eth_miiphy_initialize(bis);