]>
git.ipfire.org Git - thirdparty/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,
28 #if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI)
31 extern int gt6426x_eth_initialize(bd_t
*bis
);
34 extern int au1x00_enet_initialize(bd_t
*);
35 extern int dc21x4x_initialize(bd_t
*);
36 extern int e1000_initialize(bd_t
*);
37 extern int eepro100_initialize(bd_t
*);
38 extern int eth_3com_initialize(bd_t
*);
39 extern int fec_initialize(bd_t
*);
40 extern int inca_switch_initialize(bd_t
*);
41 extern int mpc5xxx_fec_initialize(bd_t
*);
42 extern int mpc8220_fec_initialize(bd_t
*);
43 extern int mv6436x_eth_initialize(bd_t
*);
44 extern int mv6446x_eth_initialize(bd_t
*);
45 extern int natsemi_initialize(bd_t
*);
46 extern int ns8382x_initialize(bd_t
*);
47 extern int pcnet_initialize(bd_t
*);
48 extern int plb2800_eth_initialize(bd_t
*);
49 extern int ppc_4xx_eth_initialize(bd_t
*);
50 extern int ppc_440x_eth_initialize(bd_t
*);
51 extern int rtl8139_initialize(bd_t
*);
52 extern int rtl8169_initialize(bd_t
*);
53 extern int scc_initialize(bd_t
*);
54 extern int skge_initialize(bd_t
*);
55 extern int tsec_initialize(bd_t
*, int);
57 static struct eth_device
*eth_devices
, *eth_current
;
59 struct eth_device
*eth_get_dev(void)
64 int eth_get_dev_index (void)
66 struct eth_device
*dev
;
73 for (dev
= eth_devices
; dev
; dev
= dev
->next
) {
74 if (dev
== eth_current
)
86 int eth_register(struct eth_device
* dev
)
91 eth_current
= eth_devices
= dev
;
92 #ifdef CONFIG_NET_MULTI
93 /* update current ethernet name */
95 char *act
= getenv("ethact");
96 if (act
== NULL
|| strcmp(act
, eth_current
->name
) != 0)
97 setenv("ethact", eth_current
->name
);
101 for (d
=eth_devices
; d
->next
!=eth_devices
; d
=d
->next
);
105 dev
->state
= ETH_STATE_INIT
;
106 dev
->next
= eth_devices
;
111 int eth_initialize(bd_t
*bis
)
113 unsigned char enetvar
[32], env_enetaddr
[6];
114 int i
, eth_number
= 0;
120 #ifdef CONFIG_DB64360
121 mv6436x_eth_initialize(bis
);
123 #ifdef CONFIG_CPCI750
124 mv6436x_eth_initialize(bis
);
126 #ifdef CONFIG_DB64460
127 mv6446x_eth_initialize(bis
);
129 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
130 ( defined(CONFIG_440) && !defined(CONFIG_NET_MULTI) )
131 ppc_4xx_eth_initialize(bis
);
133 #if defined(CONFIG_440) && defined(CONFIG_NET_MULTI)
134 ppc_440x_eth_initialize(bis
);
136 #ifdef CONFIG_INCA_IP_SWITCH
137 inca_switch_initialize(bis
);
139 #ifdef CONFIG_PLB2800_ETHER
140 plb2800_eth_initialize(bis
);
145 #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
148 #if defined(CONFIG_MPC5xxx_FEC)
149 mpc5xxx_fec_initialize(bis
);
151 #if defined(CONFIG_MPC8220_FEC)
152 mpc8220_fec_initialize(bis
);
154 #if defined(CONFIG_SK98)
155 skge_initialize(bis
);
157 #if defined(CONFIG_MPC85XX_TSEC1)
158 tsec_initialize(bis
, 0);
160 #if defined(CONFIG_MPC85XX_TSEC2)
161 tsec_initialize(bis
, 1);
163 #if defined(CONFIG_MPC85XX_FEC)
164 tsec_initialize(bis
, 2);
166 #if defined(CONFIG_AU1X00)
167 au1x00_enet_initialize(bis
);
170 e1000_initialize(bis
);
172 #ifdef CONFIG_EEPRO100
173 eepro100_initialize(bis
);
176 dc21x4x_initialize(bis
);
179 eth_3com_initialize(bis
);
182 pcnet_initialize(bis
);
185 gt6426x_eth_initialize(bis
);
187 #ifdef CONFIG_NATSEMI
188 natsemi_initialize(bis
);
190 #ifdef CONFIG_NS8382X
191 ns8382x_initialize(bis
);
193 #if defined(CONFIG_RTL8139)
194 rtl8139_initialize(bis
);
196 #if defined(CONFIG_RTL8169)
197 rtl8169_initialize(bis
);
201 puts ("No ethernet found.\n");
203 struct eth_device
*dev
= eth_devices
;
204 char *ethprime
= getenv ("ethprime");
210 printf("%s", dev
->name
);
212 if (ethprime
&& strcmp (dev
->name
, ethprime
) == 0) {
217 sprintf(enetvar
, eth_number
? "eth%daddr" : "ethaddr", eth_number
);
218 tmp
= getenv (enetvar
);
220 for (i
=0; i
<6; i
++) {
221 env_enetaddr
[i
] = tmp
? simple_strtoul(tmp
, &end
, 16) : 0;
223 tmp
= (*end
) ? end
+1 : end
;
226 if (memcmp(env_enetaddr
, "\0\0\0\0\0\0", 6)) {
227 if (memcmp(dev
->enetaddr
, "\0\0\0\0\0\0", 6) &&
228 memcmp(dev
->enetaddr
, env_enetaddr
, 6))
230 printf ("\nWarning: %s MAC addresses don't match:\n",
232 printf ("Address in SROM is "
233 "%02X:%02X:%02X:%02X:%02X:%02X\n",
234 dev
->enetaddr
[0], dev
->enetaddr
[1],
235 dev
->enetaddr
[2], dev
->enetaddr
[3],
236 dev
->enetaddr
[4], dev
->enetaddr
[5]);
237 printf ("Address in environment is "
238 "%02X:%02X:%02X:%02X:%02X:%02X\n",
239 env_enetaddr
[0], env_enetaddr
[1],
240 env_enetaddr
[2], env_enetaddr
[3],
241 env_enetaddr
[4], env_enetaddr
[5]);
244 memcpy(dev
->enetaddr
, env_enetaddr
, 6);
249 } while(dev
!= eth_devices
);
251 #ifdef CONFIG_NET_MULTI
252 /* update current ethernet name */
254 char *act
= getenv("ethact");
255 if (act
== NULL
|| strcmp(act
, eth_current
->name
) != 0)
256 setenv("ethact", eth_current
->name
);
258 setenv("ethact", NULL
);
267 void eth_set_enetaddr(int num
, char *addr
) {
268 struct eth_device
*dev
;
269 unsigned char enetaddr
[6];
273 debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num
, addr
);
278 for (i
=0; i
<6; i
++) {
279 enetaddr
[i
] = addr
? simple_strtoul(addr
, &end
, 16) : 0;
281 addr
= (*end
) ? end
+1 : end
;
288 if (dev
== eth_devices
)
292 debug ( "Setting new HW address on %s\n"
293 "New Address is %02X:%02X:%02X:%02X:%02X:%02X\n",
295 dev
->enetaddr
[0], dev
->enetaddr
[1],
296 dev
->enetaddr
[2], dev
->enetaddr
[3],
297 dev
->enetaddr
[4], dev
->enetaddr
[5]);
299 memcpy(dev
->enetaddr
, enetaddr
, 6);
302 int eth_init(bd_t
*bis
)
304 struct eth_device
* old_current
;
309 old_current
= eth_current
;
311 debug ("Trying %s\n", eth_current
->name
);
313 if (eth_current
->init(eth_current
, bis
)) {
314 eth_current
->state
= ETH_STATE_ACTIVE
;
321 } while (old_current
!= eth_current
);
331 eth_current
->halt(eth_current
);
333 eth_current
->state
= ETH_STATE_PASSIVE
;
336 int eth_send(volatile void *packet
, int length
)
341 return eth_current
->send(eth_current
, packet
, length
);
349 return eth_current
->recv(eth_current
);
352 void eth_try_another(int first_restart
)
354 static struct eth_device
*first_failed
= NULL
;
360 first_failed
= eth_current
;
363 eth_current
= eth_current
->next
;
365 #ifdef CONFIG_NET_MULTI
366 /* update current ethernet name */
368 char *act
= getenv("ethact");
369 if (act
== NULL
|| strcmp(act
, eth_current
->name
) != 0)
370 setenv("ethact", eth_current
->name
);
374 if (first_failed
== eth_current
) {
379 #ifdef CONFIG_NET_MULTI
380 void eth_set_current(void)
383 struct eth_device
* old_current
;
385 if (!eth_current
) /* XXX no current */
388 act
= getenv("ethact");
390 old_current
= eth_current
;
392 if (strcmp(eth_current
->name
, act
) == 0)
394 eth_current
= eth_current
->next
;
395 } while (old_current
!= eth_current
);
398 setenv("ethact", eth_current
->name
);
402 char *eth_get_name (void)
404 return (eth_current
? eth_current
->name
: "unknown");