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)
217 #if defined(CONFIG_UEC_ETH3)
220 #if defined(CONFIG_UEC_ETH4)
224 #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
227 #if defined(CONFIG_AU1X00)
228 au1x00_enet_initialize(bis);
230 #if defined(CONFIG_IXP4XX_NPE)
234 e1000_initialize(bis);
236 #ifdef CONFIG_EEPRO100
237 eepro100_initialize(bis);
240 dc21x4x_initialize(bis);
243 eth_3com_initialize(bis);
246 pcnet_initialize(bis);
249 gt6426x_eth_initialize(bis);
251 #ifdef CONFIG_NATSEMI
252 natsemi_initialize(bis);
254 #ifdef CONFIG_NS8382X
255 ns8382x_initialize(bis);
257 #if defined(CONFIG_TSI108_ETH)
258 tsi108_eth_initialize(bis);
260 #if defined(CONFIG_ULI526X)
261 uli526x_initialize(bis);
263 #if defined(CONFIG_RTL8139)
264 rtl8139_initialize(bis);
266 #if defined(CONFIG_RTL8169)
267 rtl8169_initialize(bis);
269 #if defined(CONFIG_BF537)
270 bfin_EMAC_initialize(bis);
272 #if defined(CONFIG_ATSTK1000)
273 atstk1000_eth_initialize(bis);
275 #if defined(CONFIG_MCFFEC)
276 mcffec_initialize(bis);
280 puts ("No ethernet found.\n");
281 show_boot_progress (-64);
283 struct eth_device *dev = eth_devices;
284 char *ethprime = getenv ("ethprime");
286 show_boot_progress (65);
291 printf("%s", dev->name);
293 if (ethprime && strcmp (dev->name, ethprime) == 0) {
298 sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number);
299 tmp = getenv (enetvar);
301 for (i=0; i<6; i++) {
302 env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
304 tmp = (*end) ? end+1 : end;
307 if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
308 if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
309 memcmp(dev->enetaddr, env_enetaddr, 6))
311 printf ("\nWarning: %s MAC addresses don't match:\n",
313 printf ("Address in SROM is "
314 "%02X:%02X:%02X:%02X:%02X:%02X\n",
315 dev->enetaddr[0], dev->enetaddr[1],
316 dev->enetaddr[2], dev->enetaddr[3],
317 dev->enetaddr[4], dev->enetaddr[5]);
318 printf ("Address in environment is "
319 "%02X:%02X:%02X:%02X:%02X:%02X\n",
320 env_enetaddr[0], env_enetaddr[1],
321 env_enetaddr[2], env_enetaddr[3],
322 env_enetaddr[4], env_enetaddr[5]);
325 memcpy(dev->enetaddr, env_enetaddr, 6);
330 } while(dev != eth_devices);
332 #ifdef CONFIG_NET_MULTI
333 /* update current ethernet name */
335 char *act = getenv("ethact");
336 if (act == NULL || strcmp(act, eth_current->name) != 0)
337 setenv("ethact", eth_current->name);
339 setenv("ethact", NULL);
348 void eth_set_enetaddr(int num, char *addr) {
349 struct eth_device *dev;
350 unsigned char enetaddr[6];
354 debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr);
359 for (i=0; i<6; i++) {
360 enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0;
362 addr = (*end) ? end+1 : end;
369 if (dev == eth_devices)
373 debug ( "Setting new HW address on %s\n"
374 "New Address is %02X:%02X:%02X:%02X:%02X:%02X\n",
376 enetaddr[0], enetaddr[1],
377 enetaddr[2], enetaddr[3],
378 enetaddr[4], enetaddr[5]);
380 memcpy(dev->enetaddr, enetaddr, 6);
382 #ifdef CONFIG_MCAST_TFTP
384 * mcast_addr: multicast ipaddr from which multicast Mac is made
385 * join: 1=join, 0=leave.
387 int eth_mcast_join( IPaddr_t mcast_ip, u8 join)
390 if (!eth_current || !eth_current->mcast)
392 mcast_mac[5] = htonl(mcast_ip) & 0xff;
393 mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff;
394 mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f;
398 return eth_current->mcast(eth_current, mcast_mac, join);
401 /* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
402 * and this is the ethernet-crc method needed for TSEC -- and perhaps
403 * some other adapter -- hash tables
405 #define CRCPOLY_LE 0xedb88320
406 u32 ether_crc (size_t len, unsigned char const *p)
413 for (i = 0; i < 8; i++)
414 crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
416 /* an reverse the bits, cuz of way they arrive -- last-first */
417 crc = (crc >> 16) | (crc << 16);
418 crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00);
419 crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0);
420 crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc);
421 crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa);
428 int eth_init(bd_t *bis)
430 struct eth_device* old_current;
435 old_current = eth_current;
437 debug ("Trying %s\n", eth_current->name);
439 if (eth_current->init(eth_current,bis) >= 0) {
440 eth_current->state = ETH_STATE_ACTIVE;
447 } while (old_current != eth_current);
457 eth_current->halt(eth_current);
459 eth_current->state = ETH_STATE_PASSIVE;
462 int eth_send(volatile void *packet, int length)
467 return eth_current->send(eth_current, packet, length);
475 return eth_current->recv(eth_current);
479 static void eth_save_packet(volatile void *packet, int length)
481 volatile char *p = packet;
484 if ((eth_rcv_last+1) % PKTBUFSRX == eth_rcv_current)
487 if (PKTSIZE < length)
490 for (i = 0; i < length; i++)
491 eth_rcv_bufs[eth_rcv_last].data[i] = p[i];
493 eth_rcv_bufs[eth_rcv_last].length = length;
494 eth_rcv_last = (eth_rcv_last + 1) % PKTBUFSRX;
497 int eth_receive(volatile void *packet, int length)
499 volatile char *p = packet;
500 void *pp = push_packet;
503 if (eth_rcv_current == eth_rcv_last) {
504 push_packet = eth_save_packet;
508 if (eth_rcv_current == eth_rcv_last)
512 if (length < eth_rcv_bufs[eth_rcv_current].length)
515 length = eth_rcv_bufs[eth_rcv_current].length;
517 for (i = 0; i < length; i++)
518 p[i] = eth_rcv_bufs[eth_rcv_current].data[i];
520 eth_rcv_current = (eth_rcv_current + 1) % PKTBUFSRX;
523 #endif /* CONFIG_API */
525 void eth_try_another(int first_restart)
527 static struct eth_device *first_failed = NULL;
533 first_failed = eth_current;
536 eth_current = eth_current->next;
538 #ifdef CONFIG_NET_MULTI
539 /* update current ethernet name */
541 char *act = getenv("ethact");
542 if (act == NULL || strcmp(act, eth_current->name) != 0)
543 setenv("ethact", eth_current->name);
547 if (first_failed == eth_current) {
552 #ifdef CONFIG_NET_MULTI
553 void eth_set_current(void)
556 struct eth_device* old_current;
558 if (!eth_current) /* XXX no current */
561 act = getenv("ethact");
563 old_current = eth_current;
565 if (strcmp(eth_current->name, act) == 0)
567 eth_current = eth_current->next;
568 } while (old_current != eth_current);
571 setenv("ethact", eth_current->name);
575 char *eth_get_name (void)
577 return (eth_current ? eth_current->name : "unknown");
579 #elif defined(CONFIG_CMD_NET) && !defined(CONFIG_NET_MULTI)
581 extern int at91rm9200_miiphy_initialize(bd_t *bis);
582 extern int emac4xx_miiphy_initialize(bd_t *bis);
583 extern int mcf52x2_miiphy_initialize(bd_t *bis);
584 extern int ns7520_miiphy_initialize(bd_t *bis);
585 extern int dm644x_eth_miiphy_initialize(bd_t *bis);
588 int eth_initialize(bd_t *bis)
590 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
594 #if defined(CONFIG_AT91RM9200)
595 at91rm9200_miiphy_initialize(bis);
597 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) \
598 && !defined(CONFIG_AP1000) && !defined(CONFIG_405)
599 emac4xx_miiphy_initialize(bis);
601 #if defined(CONFIG_MCF52x2)
602 mcf52x2_miiphy_initialize(bis);
604 #if defined(CONFIG_NETARM)
605 ns7520_miiphy_initialize(bis);
607 #if defined(CONFIG_DRIVER_TI_EMAC)
608 dm644x_eth_miiphy_initialize(bis);