]>
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 atngw100_eth_initialize(bd_t
*);
64 extern int mcffec_initialize(bd_t
*);
65 extern int mcdmafec_initialize(bd_t
*);
66 extern int at91cap9_eth_initialize(bd_t
*);
69 extern void (*push_packet
)(volatile void *, int);
74 } eth_rcv_bufs
[PKTBUFSRX
];
76 static unsigned int eth_rcv_current
= 0, eth_rcv_last
= 0;
79 static struct eth_device
*eth_devices
, *eth_current
;
81 struct eth_device
*eth_get_dev(void)
86 struct eth_device
*eth_get_dev_by_name(char *devname
)
88 struct eth_device
*dev
, *target_dev
;
96 if (strcmp(devname
, dev
->name
) == 0) {
101 } while (dev
!= eth_devices
);
106 int eth_get_dev_index (void)
108 struct eth_device
*dev
;
115 for (dev
= eth_devices
; dev
; dev
= dev
->next
) {
116 if (dev
== eth_current
)
128 int eth_register(struct eth_device
* dev
)
130 struct eth_device
*d
;
133 eth_current
= eth_devices
= dev
;
134 #ifdef CONFIG_NET_MULTI
135 /* update current ethernet name */
137 char *act
= getenv("ethact");
138 if (act
== NULL
|| strcmp(act
, eth_current
->name
) != 0)
139 setenv("ethact", eth_current
->name
);
143 for (d
=eth_devices
; d
->next
!=eth_devices
; d
=d
->next
);
147 dev
->state
= ETH_STATE_INIT
;
148 dev
->next
= eth_devices
;
153 int eth_initialize(bd_t
*bis
)
156 unsigned char env_enetaddr
[6];
157 int i
, eth_number
= 0;
163 show_boot_progress (64);
164 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
168 #if defined(CONFIG_DB64360) || defined(CONFIG_CPCI750)
169 mv6436x_eth_initialize(bis
);
171 #if defined(CONFIG_DB64460) || defined(CONFIG_P3Mx)
172 mv6446x_eth_initialize(bis
);
174 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) && !defined(CONFIG_AP1000)
175 ppc_4xx_eth_initialize(bis
);
177 #ifdef CONFIG_INCA_IP_SWITCH
178 inca_switch_initialize(bis
);
180 #ifdef CONFIG_PLB2800_ETHER
181 plb2800_eth_initialize(bis
);
186 #if defined(CONFIG_MPC5xxx_FEC)
187 mpc5xxx_fec_initialize(bis
);
189 #if defined(CONFIG_MPC512x_FEC)
190 mpc512x_fec_initialize (bis
);
192 #if defined(CONFIG_MPC8220_FEC)
193 mpc8220_fec_initialize(bis
);
195 #if defined(CONFIG_SK98)
196 skge_initialize(bis
);
198 #if defined(CONFIG_TSEC1)
199 tsec_initialize(bis
, 0, CONFIG_TSEC1_NAME
);
201 #if defined(CONFIG_TSEC2)
202 tsec_initialize(bis
, 1, CONFIG_TSEC2_NAME
);
204 #if defined(CONFIG_MPC85XX_FEC)
205 tsec_initialize(bis
, 2, CONFIG_MPC85XX_FEC_NAME
);
207 # if defined(CONFIG_TSEC3)
208 tsec_initialize(bis
, 2, CONFIG_TSEC3_NAME
);
210 # if defined(CONFIG_TSEC4)
211 tsec_initialize(bis
, 3, CONFIG_TSEC4_NAME
);
214 #if defined(CONFIG_UEC_ETH1)
217 #if defined(CONFIG_UEC_ETH2)
220 #if defined(CONFIG_UEC_ETH3)
223 #if defined(CONFIG_UEC_ETH4)
227 #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
230 #if defined(CONFIG_AU1X00)
231 au1x00_enet_initialize(bis
);
233 #if defined(CONFIG_IXP4XX_NPE)
237 e1000_initialize(bis
);
239 #ifdef CONFIG_EEPRO100
240 eepro100_initialize(bis
);
243 dc21x4x_initialize(bis
);
246 eth_3com_initialize(bis
);
249 pcnet_initialize(bis
);
252 gt6426x_eth_initialize(bis
);
254 #ifdef CONFIG_NATSEMI
255 natsemi_initialize(bis
);
257 #ifdef CONFIG_NS8382X
258 ns8382x_initialize(bis
);
260 #if defined(CONFIG_TSI108_ETH)
261 tsi108_eth_initialize(bis
);
263 #if defined(CONFIG_ULI526X)
264 uli526x_initialize(bis
);
266 #if defined(CONFIG_RTL8139)
267 rtl8139_initialize(bis
);
269 #if defined(CONFIG_RTL8169)
270 rtl8169_initialize(bis
);
272 #if defined(CONFIG_BF537)
273 bfin_EMAC_initialize(bis
);
275 #if defined(CONFIG_ATSTK1000)
276 atstk1000_eth_initialize(bis
);
278 #if defined(CONFIG_ATNGW100)
279 atngw100_eth_initialize(bis
);
281 #if defined(CONFIG_MCFFEC)
282 mcffec_initialize(bis
);
284 #if defined(CONFIG_FSLDMAFEC)
285 mcdmafec_initialize(bis
);
287 #if defined(CONFIG_AT91CAP9)
288 at91cap9_eth_initialize(bis
);
292 puts ("No ethernet found.\n");
293 show_boot_progress (-64);
295 struct eth_device
*dev
= eth_devices
;
296 char *ethprime
= getenv ("ethprime");
298 show_boot_progress (65);
303 printf("%s", dev
->name
);
305 if (ethprime
&& strcmp (dev
->name
, ethprime
) == 0) {
310 sprintf(enetvar
, eth_number
? "eth%daddr" : "ethaddr", eth_number
);
311 tmp
= getenv (enetvar
);
313 for (i
=0; i
<6; i
++) {
314 env_enetaddr
[i
] = tmp
? simple_strtoul(tmp
, &end
, 16) : 0;
316 tmp
= (*end
) ? end
+1 : end
;
319 if (memcmp(env_enetaddr
, "\0\0\0\0\0\0", 6)) {
320 if (memcmp(dev
->enetaddr
, "\0\0\0\0\0\0", 6) &&
321 memcmp(dev
->enetaddr
, env_enetaddr
, 6))
323 printf ("\nWarning: %s MAC addresses don't match:\n",
325 printf ("Address in SROM is "
326 "%02X:%02X:%02X:%02X:%02X:%02X\n",
327 dev
->enetaddr
[0], dev
->enetaddr
[1],
328 dev
->enetaddr
[2], dev
->enetaddr
[3],
329 dev
->enetaddr
[4], dev
->enetaddr
[5]);
330 printf ("Address in environment is "
331 "%02X:%02X:%02X:%02X:%02X:%02X\n",
332 env_enetaddr
[0], env_enetaddr
[1],
333 env_enetaddr
[2], env_enetaddr
[3],
334 env_enetaddr
[4], env_enetaddr
[5]);
337 memcpy(dev
->enetaddr
, env_enetaddr
, 6);
342 } while(dev
!= eth_devices
);
344 #ifdef CONFIG_NET_MULTI
345 /* update current ethernet name */
347 char *act
= getenv("ethact");
348 if (act
== NULL
|| strcmp(act
, eth_current
->name
) != 0)
349 setenv("ethact", eth_current
->name
);
351 setenv("ethact", NULL
);
360 void eth_set_enetaddr(int num
, char *addr
) {
361 struct eth_device
*dev
;
362 unsigned char enetaddr
[6];
366 debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num
, addr
);
371 for (i
=0; i
<6; i
++) {
372 enetaddr
[i
] = addr
? simple_strtoul(addr
, &end
, 16) : 0;
374 addr
= (*end
) ? end
+1 : end
;
381 if (dev
== eth_devices
)
385 debug ( "Setting new HW address on %s\n"
386 "New Address is %02X:%02X:%02X:%02X:%02X:%02X\n",
388 enetaddr
[0], enetaddr
[1],
389 enetaddr
[2], enetaddr
[3],
390 enetaddr
[4], enetaddr
[5]);
392 memcpy(dev
->enetaddr
, enetaddr
, 6);
394 #ifdef CONFIG_MCAST_TFTP
396 * mcast_addr: multicast ipaddr from which multicast Mac is made
397 * join: 1=join, 0=leave.
399 int eth_mcast_join( IPaddr_t mcast_ip
, u8 join
)
402 if (!eth_current
|| !eth_current
->mcast
)
404 mcast_mac
[5] = htonl(mcast_ip
) & 0xff;
405 mcast_mac
[4] = (htonl(mcast_ip
)>>8) & 0xff;
406 mcast_mac
[3] = (htonl(mcast_ip
)>>16) & 0x7f;
410 return eth_current
->mcast(eth_current
, mcast_mac
, join
);
413 /* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
414 * and this is the ethernet-crc method needed for TSEC -- and perhaps
415 * some other adapter -- hash tables
417 #define CRCPOLY_LE 0xedb88320
418 u32
ether_crc (size_t len
, unsigned char const *p
)
425 for (i
= 0; i
< 8; i
++)
426 crc
= (crc
>> 1) ^ ((crc
& 1) ? CRCPOLY_LE
: 0);
428 /* an reverse the bits, cuz of way they arrive -- last-first */
429 crc
= (crc
>> 16) | (crc
<< 16);
430 crc
= (crc
>> 8 & 0x00ff00ff) | (crc
<< 8 & 0xff00ff00);
431 crc
= (crc
>> 4 & 0x0f0f0f0f) | (crc
<< 4 & 0xf0f0f0f0);
432 crc
= (crc
>> 2 & 0x33333333) | (crc
<< 2 & 0xcccccccc);
433 crc
= (crc
>> 1 & 0x55555555) | (crc
<< 1 & 0xaaaaaaaa);
440 int eth_init(bd_t
*bis
)
442 struct eth_device
* old_current
;
447 old_current
= eth_current
;
449 debug ("Trying %s\n", eth_current
->name
);
451 if (eth_current
->init(eth_current
,bis
) >= 0) {
452 eth_current
->state
= ETH_STATE_ACTIVE
;
459 } while (old_current
!= eth_current
);
469 eth_current
->halt(eth_current
);
471 eth_current
->state
= ETH_STATE_PASSIVE
;
474 int eth_send(volatile void *packet
, int length
)
479 return eth_current
->send(eth_current
, packet
, length
);
487 return eth_current
->recv(eth_current
);
491 static void eth_save_packet(volatile void *packet
, int length
)
493 volatile char *p
= packet
;
496 if ((eth_rcv_last
+1) % PKTBUFSRX
== eth_rcv_current
)
499 if (PKTSIZE
< length
)
502 for (i
= 0; i
< length
; i
++)
503 eth_rcv_bufs
[eth_rcv_last
].data
[i
] = p
[i
];
505 eth_rcv_bufs
[eth_rcv_last
].length
= length
;
506 eth_rcv_last
= (eth_rcv_last
+ 1) % PKTBUFSRX
;
509 int eth_receive(volatile void *packet
, int length
)
511 volatile char *p
= packet
;
512 void *pp
= push_packet
;
515 if (eth_rcv_current
== eth_rcv_last
) {
516 push_packet
= eth_save_packet
;
520 if (eth_rcv_current
== eth_rcv_last
)
524 if (length
< eth_rcv_bufs
[eth_rcv_current
].length
)
527 length
= eth_rcv_bufs
[eth_rcv_current
].length
;
529 for (i
= 0; i
< length
; i
++)
530 p
[i
] = eth_rcv_bufs
[eth_rcv_current
].data
[i
];
532 eth_rcv_current
= (eth_rcv_current
+ 1) % PKTBUFSRX
;
535 #endif /* CONFIG_API */
537 void eth_try_another(int first_restart
)
539 static struct eth_device
*first_failed
= NULL
;
543 * Do not rotate between network interfaces when
544 * 'ethrotate' variable is set to 'no'.
546 if (((ethrotate
= getenv ("ethrotate")) != NULL
) &&
547 (strcmp(ethrotate
, "no") == 0))
554 first_failed
= eth_current
;
557 eth_current
= eth_current
->next
;
559 #ifdef CONFIG_NET_MULTI
560 /* update current ethernet name */
562 char *act
= getenv("ethact");
563 if (act
== NULL
|| strcmp(act
, eth_current
->name
) != 0)
564 setenv("ethact", eth_current
->name
);
568 if (first_failed
== eth_current
) {
573 #ifdef CONFIG_NET_MULTI
574 void eth_set_current(void)
577 struct eth_device
* old_current
;
579 if (!eth_current
) /* XXX no current */
582 act
= getenv("ethact");
584 old_current
= eth_current
;
586 if (strcmp(eth_current
->name
, act
) == 0)
588 eth_current
= eth_current
->next
;
589 } while (old_current
!= eth_current
);
592 setenv("ethact", eth_current
->name
);
596 char *eth_get_name (void)
598 return (eth_current
? eth_current
->name
: "unknown");
600 #elif defined(CONFIG_CMD_NET) && !defined(CONFIG_NET_MULTI)
602 extern int at91rm9200_miiphy_initialize(bd_t
*bis
);
603 extern int emac4xx_miiphy_initialize(bd_t
*bis
);
604 extern int mcf52x2_miiphy_initialize(bd_t
*bis
);
605 extern int ns7520_miiphy_initialize(bd_t
*bis
);
606 extern int dm644x_eth_miiphy_initialize(bd_t
*bis
);
609 int eth_initialize(bd_t
*bis
)
611 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
615 #if defined(CONFIG_AT91RM9200)
616 at91rm9200_miiphy_initialize(bis
);
618 #if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) \
619 && !defined(CONFIG_AP1000) && !defined(CONFIG_405)
620 emac4xx_miiphy_initialize(bis
);
622 #if defined(CONFIG_MCF52x2)
623 mcf52x2_miiphy_initialize(bis
);
625 #if defined(CONFIG_NETARM)
626 ns7520_miiphy_initialize(bis
);
628 #if defined(CONFIG_DRIVER_TI_EMAC)
629 dm644x_eth_miiphy_initialize(bis
);