]>
git.ipfire.org Git - people/ms/u-boot.git/blob - net/eth.c
2 * (C) Copyright 2001, 2002
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 eepro100_initialize(bd_t
*);
35 extern int natsemi_initialize(bd_t
*);
36 extern int ns8382x_initialize(bd_t
*);
37 extern int dc21x4x_initialize(bd_t
*);
38 extern int pcnet_initialize(bd_t
*);
39 extern int fec_initialize(bd_t
*);
40 extern int scc_initialize(bd_t
*);
42 static struct eth_device
*eth_devices
, *eth_current
;
44 struct eth_device
*eth_get_dev(void)
49 int eth_get_dev_index (void)
51 struct eth_device
*dev
;
58 for (dev
= eth_devices
; dev
; dev
= dev
->next
) {
59 if (dev
== eth_current
)
71 int eth_register(struct eth_device
* dev
)
76 eth_current
= eth_devices
= dev
;
78 for (d
=eth_devices
; d
->next
!=eth_devices
; d
=d
->next
);
82 dev
->state
= ETH_STATE_INIT
;
83 dev
->next
= eth_devices
;
88 int eth_initialize(bd_t
*bis
)
90 unsigned char enetvar
[32], env_enetaddr
[6];
91 int i
, eth_number
= 0;
97 #ifdef CONFIG_EEPRO100
98 eepro100_initialize(bis
);
101 dc21x4x_initialize(bis
);
104 pcnet_initialize(bis
);
107 gt6426x_eth_initialize(bis
);
109 #ifdef CONFIG_NATSEMI
110 natsemi_initialize(bis
);
112 #ifdef CONFIG_NS8382X
113 ns8382x_initialize(bis
);
123 puts ("No ethernet found.\n");
125 struct eth_device
*dev
= eth_devices
;
126 char *ethprime
= getenv ("ethprime");
132 printf("%s", dev
->name
);
134 if (ethprime
&& strcmp (dev
->name
, ethprime
) == 0) {
139 sprintf(enetvar
, eth_number
? "eth%daddr" : "ethaddr", eth_number
);
140 tmp
= getenv (enetvar
);
142 for (i
=0; i
<6; i
++) {
143 env_enetaddr
[i
] = tmp
? simple_strtoul(tmp
, &end
, 16) : 0;
145 tmp
= (*end
) ? end
+1 : end
;
148 if (memcmp(env_enetaddr
, "\0\0\0\0\0\0", 6)) {
149 if (memcmp(dev
->enetaddr
, "\0\0\0\0\0\0", 6) &&
150 memcmp(dev
->enetaddr
, env_enetaddr
, 6))
152 printf("\nWarning: %s HW address don't match:\n", dev
->name
);
153 printf("Address in SROM is "
154 "%02X:%02X:%02X:%02X:%02X:%02X\n",
155 dev
->enetaddr
[0], dev
->enetaddr
[1],
156 dev
->enetaddr
[2], dev
->enetaddr
[3],
157 dev
->enetaddr
[4], dev
->enetaddr
[5]);
158 printf("Address in environment is "
159 "%02X:%02X:%02X:%02X:%02X:%02X\n",
160 env_enetaddr
[0], env_enetaddr
[1],
161 env_enetaddr
[2], env_enetaddr
[3],
162 env_enetaddr
[4], env_enetaddr
[5]);
165 memcpy(dev
->enetaddr
, env_enetaddr
, 6);
170 } while(dev
!= eth_devices
);
178 void eth_set_enetaddr(int num
, char *addr
) {
179 struct eth_device
*dev
;
180 unsigned char enetaddr
[6];
185 printf("eth_set_enetaddr(num=%d, addr=%s)\n", num
, addr
);
190 for (i
=0; i
<6; i
++) {
191 enetaddr
[i
] = addr
? simple_strtoul(addr
, &end
, 16) : 0;
193 addr
= (*end
) ? end
+1 : end
;
200 if (dev
== eth_devices
)
205 printf("Setting new HW address on %s\n", dev
->name
);
206 printf("New Address is "
207 "%02X:%02X:%02X:%02X:%02X:%02X\n",
208 dev
->enetaddr
[0], dev
->enetaddr
[1],
209 dev
->enetaddr
[2], dev
->enetaddr
[3],
210 dev
->enetaddr
[4], dev
->enetaddr
[5]);
213 memcpy(dev
->enetaddr
, enetaddr
, 6);
216 int eth_init(bd_t
*bis
)
218 struct eth_device
* old_current
;
223 old_current
= eth_current
;
226 printf("Trying %s\n", eth_current
->name
);
229 if (eth_current
->init(eth_current
, bis
)) {
230 eth_current
->state
= ETH_STATE_ACTIVE
;
240 } while (old_current
!= eth_current
);
250 eth_current
->halt(eth_current
);
252 eth_current
->state
= ETH_STATE_PASSIVE
;
255 int eth_send(volatile void *packet
, int length
)
260 return eth_current
->send(eth_current
, packet
, length
);
268 return eth_current
->recv(eth_current
);
271 void eth_try_another(int first_restart
)
273 static struct eth_device
*first_failed
= NULL
;
280 first_failed
= eth_current
;
283 eth_current
= eth_current
->next
;
285 if (first_failed
== eth_current
)