]>
git.ipfire.org Git - people/ms/u-boot.git/blob - net/eth.c
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)
221 #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
224 #if defined(CONFIG_AU1X00)
225 au1x00_enet_initialize(bis
);
227 #if defined(CONFIG_IXP4XX_NPE)
231 e1000_initialize(bis
);
233 #ifdef CONFIG_EEPRO100
234 eepro100_initialize(bis
);
237 dc21x4x_initialize(bis
);
240 eth_3com_initialize(bis
);
243 pcnet_initialize(bis
);
246 gt6426x_eth_initialize(bis
);
248 #ifdef CONFIG_NATSEMI
249 natsemi_initialize(bis
);
251 #ifdef CONFIG_NS8382X
252 ns8382x_initialize(bis
);
254 #if defined(CONFIG_TSI108_ETH)
255 tsi108_eth_initialize(bis
);
257 #if defined(CONFIG_ULI526X)
258 uli526x_initialize(bis
);
260 #if defined(CONFIG_RTL8139)
261 rtl8139_initialize(bis
);
263 #if defined(CONFIG_RTL8169)
264 rtl8169_initialize(bis
);
266 #if defined(CONFIG_BF537)
267 bfin_EMAC_initialize(bis
);
269 #if defined(CONFIG_ATSTK1000)
270 atstk1000_eth_initialize(bis
);
272 #if defined(CONFIG_MCFFEC)
273 mcffec_initialize(bis
);
277 puts ("No ethernet found.\n");
278 show_boot_progress (-64);
280 struct eth_device
*dev
= eth_devices
;
281 char *ethprime
= getenv ("ethprime");
283 show_boot_progress (65);
288 printf("%s", dev
->name
);
290 if (ethprime
&& strcmp (dev
->name
, ethprime
) == 0) {
295 sprintf(enetvar
, eth_number
? "eth%daddr" : "ethaddr", eth_number
);
296 tmp
= getenv (enetvar
);
298 for (i
=0; i
<6; i
++) {
299 env_enetaddr
[i
] = tmp
? simple_strtoul(tmp
, &end
, 16) : 0;
301 tmp
= (*end
) ? end
+1 : end
;
304 if (memcmp(env_enetaddr
, "\0\0\0\0\0\0", 6)) {
305 if (memcmp(dev
->enetaddr
, "\0\0\0\0\0\0", 6) &&
306 memcmp(dev
->enetaddr
, env_enetaddr
, 6))
308 printf ("\nWarning: %s MAC addresses don't match:\n",
310 printf ("Address in SROM is "
311 "%02X:%02X:%02X:%02X:%02X:%02X\n",
312 dev
->enetaddr
[0], dev
->enetaddr
[1],
313 dev
->enetaddr
[2], dev
->enetaddr
[3],
314 dev
->enetaddr
[4], dev
->enetaddr
[5]);
315 printf ("Address in environment is "
316 "%02X:%02X:%02X:%02X:%02X:%02X\n",
317 env_enetaddr
[0], env_enetaddr
[1],
318 env_enetaddr
[2], env_enetaddr
[3],
319 env_enetaddr
[4], env_enetaddr
[5]);
322 memcpy(dev
->enetaddr
, env_enetaddr
, 6);
327 } while(dev
!= eth_devices
);
329 #ifdef CONFIG_NET_MULTI
330 /* update current ethernet name */
332 char *act
= getenv("ethact");
333 if (act
== NULL
|| strcmp(act
, eth_current
->name
) != 0)
334 setenv("ethact", eth_current
->name
);
336 setenv("ethact", NULL
);
345 void eth_set_enetaddr(int num
, char *addr
) {
346 struct eth_device
*dev
;
347 unsigned char enetaddr
[6];
351 debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num
, addr
);
356 for (i
=0; i
<6; i
++) {
357 enetaddr
[i
] = addr
? simple_strtoul(addr
, &end
, 16) : 0;
359 addr
= (*end
) ? end
+1 : end
;
366 if (dev
== eth_devices
)
370 debug ( "Setting new HW address on %s\n"
371 "New Address is %02X:%02X:%02X:%02X:%02X:%02X\n",
373 enetaddr
[0], enetaddr
[1],
374 enetaddr
[2], enetaddr
[3],
375 enetaddr
[4], enetaddr
[5]);
377 memcpy(dev
->enetaddr
, enetaddr
, 6);
379 #ifdef CONFIG_MCAST_TFTP
381 * mcast_addr: multicast ipaddr from which multicast Mac is made
382 * join: 1=join, 0=leave.
384 int eth_mcast_join( IPaddr_t mcast_ip
, u8 join
)
387 if (!eth_current
|| !eth_current
->mcast
)
389 mcast_mac
[5] = htonl(mcast_ip
) & 0xff;
390 mcast_mac
[4] = (htonl(mcast_ip
)>>8) & 0xff;
391 mcast_mac
[3] = (htonl(mcast_ip
)>>16) & 0x7f;
395 return eth_current
->mcast(eth_current
, mcast_mac
, join
);
398 /* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
399 * and this is the ethernet-crc method needed for TSEC -- and perhaps
400 * some other adapter -- hash tables
402 #define CRCPOLY_LE 0xedb88320
403 u32
ether_crc (size_t len
, unsigned char const *p
)
410 for (i
= 0; i
< 8; i
++)
411 crc
= (crc
>> 1) ^ ((crc
& 1) ? CRCPOLY_LE
: 0);
413 /* an reverse the bits, cuz of way they arrive -- last-first */
414 crc
= (crc
>> 16) | (crc
<< 16);
415 crc
= (crc
>> 8 & 0x00ff00ff) | (crc
<< 8 & 0xff00ff00);
416 crc
= (crc
>> 4 & 0x0f0f0f0f) | (crc
<< 4 & 0xf0f0f0f0);
417 crc
= (crc
>> 2 & 0x33333333) | (crc
<< 2 & 0xcccccccc);
418 crc
= (crc
>> 1 & 0x55555555) | (crc
<< 1 & 0xaaaaaaaa);
425 int eth_init(bd_t
*bis
)
427 struct eth_device
* old_current
;
432 old_current
= eth_current
;
434 debug ("Trying %s\n", eth_current
->name
);
436 if (eth_current
->init(eth_current
,bis
) >= 0) {
437 eth_current
->state
= ETH_STATE_ACTIVE
;
444 } while (old_current
!= eth_current
);
454 eth_current
->halt(eth_current
);
456 eth_current
->state
= ETH_STATE_PASSIVE
;
459 int eth_send(volatile void *packet
, int length
)
464 return eth_current
->send(eth_current
, packet
, length
);
472 return eth_current
->recv(eth_current
);
476 static void eth_save_packet(volatile void *packet
, int length
)
478 volatile char *p
= packet
;
481 if ((eth_rcv_last
+1) % PKTBUFSRX
== eth_rcv_current
)
484 if (PKTSIZE
< length
)
487 for (i
= 0; i
< length
; i
++)
488 eth_rcv_bufs
[eth_rcv_last
].data
[i
] = p
[i
];
490 eth_rcv_bufs
[eth_rcv_last
].length
= length
;
491 eth_rcv_last
= (eth_rcv_last
+ 1) % PKTBUFSRX
;
494 int eth_receive(volatile void *packet
, int length
)
496 volatile char *p
= packet
;
497 void *pp
= push_packet
;
500 if (eth_rcv_current
== eth_rcv_last
) {
501 push_packet
= eth_save_packet
;
505 if (eth_rcv_current
== eth_rcv_last
)
509 if (length
< eth_rcv_bufs
[eth_rcv_current
].length
)
512 length
= eth_rcv_bufs
[eth_rcv_current
].length
;
514 for (i
= 0; i
< length
; i
++)
515 p
[i
] = eth_rcv_bufs
[eth_rcv_current
].data
[i
];
517 eth_rcv_current
= (eth_rcv_current
+ 1) % PKTBUFSRX
;
520 #endif /* CONFIG_API */
522 void eth_try_another(int first_restart
)
524 static struct eth_device
*first_failed
= NULL
;
530 first_failed
= eth_current
;
533 eth_current
= eth_current
->next
;
535 #ifdef CONFIG_NET_MULTI
536 /* update current ethernet name */
538 char *act
= getenv("ethact");
539 if (act
== NULL
|| strcmp(act
, eth_current
->name
) != 0)
540 setenv("ethact", eth_current
->name
);
544 if (first_failed
== eth_current
) {
549 #ifdef CONFIG_NET_MULTI
550 void eth_set_current(void)
553 struct eth_device
* old_current
;
555 if (!eth_current
) /* XXX no current */
558 act
= getenv("ethact");
560 old_current
= eth_current
;
562 if (strcmp(eth_current
->name
, act
) == 0)
564 eth_current
= eth_current
->next
;
565 } while (old_current
!= eth_current
);
568 setenv("ethact", eth_current
->name
);
572 char *eth_get_name (void)
574 return (eth_current
? eth_current
->name
: "unknown");
576 #elif defined(CONFIG_CMD_NET) && !defined(CONFIG_NET_MULTI)
578 extern int at91rm9200_miiphy_initialize(bd_t
*bis
);
579 extern int emac4xx_miiphy_initialize(bd_t
*bis
);
580 extern int mcf52x2_miiphy_initialize(bd_t
*bis
);
581 extern int ns7520_miiphy_initialize(bd_t
*bis
);
582 extern int dm644x_eth_miiphy_initialize(bd_t
*bis
);
585 int eth_initialize(bd_t
*bis
)
587 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
591 #if defined(CONFIG_AT91RM9200)
592 at91rm9200_miiphy_initialize(bis
);
594 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) \
595 && !defined(CONFIG_AP1000) && !defined(CONFIG_405)
596 emac4xx_miiphy_initialize(bis
);
598 #if defined(CONFIG_MCF52x2)
599 mcf52x2_miiphy_initialize(bis
);
601 #if defined(CONFIG_NETARM)
602 ns7520_miiphy_initialize(bis
);
604 #if defined(CONFIG_DRIVER_TI_EMAC)
605 dm644x_eth_miiphy_initialize(bis
);