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wdenkc6097192002-11-03 00:24:07 +00001/*
2 * (C) Copyright 2001, 2002
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
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.
12 *
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.
17 *
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,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
25#include <command.h>
26#include <net.h>
27
28#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI)
29
30#ifdef CFG_GT_6426x
31extern int gt6426x_eth_initialize(bd_t *bis);
32#endif
33
34extern int eepro100_initialize(bd_t*);
35extern int natsemi_initialize(bd_t*);
36extern int ns8382x_initialize(bd_t*);
37extern int dc21x4x_initialize(bd_t*);
wdenkc7de8292002-11-19 11:04:11 +000038extern int eth_3com_initialize(bd_t*);
wdenkc6097192002-11-03 00:24:07 +000039extern int pcnet_initialize(bd_t*);
40extern int fec_initialize(bd_t*);
41extern int scc_initialize(bd_t*);
wdenk6069ff22003-02-28 00:49:47 +000042extern int inca_switch_initialize(bd_t*);
wdenk3e386912003-04-05 00:53:31 +000043extern int plb2800_eth_initialize(bd_t*);
wdenkc6097192002-11-03 00:24:07 +000044
45static struct eth_device *eth_devices, *eth_current;
46
47struct eth_device *eth_get_dev(void)
48{
49 return eth_current;
50}
51
52int eth_get_dev_index (void)
53{
54 struct eth_device *dev;
55 int num = 0;
56
57 if (!eth_devices) {
58 return (-1);
59 }
60
61 for (dev = eth_devices; dev; dev = dev->next) {
62 if (dev == eth_current)
63 break;
64 ++num;
65 }
66
67 if (dev) {
68 return (num);
69 }
70
71 return (0);
72}
73
74int eth_register(struct eth_device* dev)
75{
76 struct eth_device *d;
77
78 if (!eth_devices) {
79 eth_current = eth_devices = dev;
80 } else {
81 for (d=eth_devices; d->next!=eth_devices; d=d->next);
82 d->next = dev;
83 }
84
85 dev->state = ETH_STATE_INIT;
86 dev->next = eth_devices;
87
88 return 0;
89}
90
91int eth_initialize(bd_t *bis)
92{
93 unsigned char enetvar[32], env_enetaddr[6];
94 int i, eth_number = 0;
95 char *tmp, *end;
96
97 eth_devices = NULL;
98 eth_current = NULL;
99
wdenk6069ff22003-02-28 00:49:47 +0000100#ifdef CONFIG_INCA_IP_SWITCH
101 inca_switch_initialize(bis);
102#endif
wdenk3e386912003-04-05 00:53:31 +0000103#ifdef CONFIG_PLB2800_ETHER
104 plb2800_eth_initialize(bis);
105#endif
wdenkc6097192002-11-03 00:24:07 +0000106#ifdef CONFIG_EEPRO100
107 eepro100_initialize(bis);
108#endif
109#ifdef CONFIG_TULIP
110 dc21x4x_initialize(bis);
111#endif
wdenkc7de8292002-11-19 11:04:11 +0000112#ifdef CONFIG_3COM
113 eth_3com_initialize(bis);
114#endif
wdenkc6097192002-11-03 00:24:07 +0000115#ifdef CONFIG_PCNET
116 pcnet_initialize(bis);
117#endif
118#ifdef CFG_GT_6426x
119 gt6426x_eth_initialize(bis);
120#endif
121#ifdef CONFIG_NATSEMI
122 natsemi_initialize(bis);
123#endif
124#ifdef CONFIG_NS8382X
125 ns8382x_initialize(bis);
126#endif
127#ifdef SCC_ENET
128 scc_initialize(bis);
129#endif
wdenkaacf9a42003-01-17 16:27:01 +0000130#if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
wdenkc6097192002-11-03 00:24:07 +0000131 fec_initialize(bis);
132#endif
133
134 if (!eth_devices) {
135 puts ("No ethernet found.\n");
136 } else {
137 struct eth_device *dev = eth_devices;
138 char *ethprime = getenv ("ethprime");
139
140 do {
141 if (eth_number)
142 puts (", ");
143
144 printf("%s", dev->name);
145
146 if (ethprime && strcmp (dev->name, ethprime) == 0) {
147 eth_current = dev;
148 puts (" [PRIME]");
149 }
150
151 sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number);
152 tmp = getenv (enetvar);
153
154 for (i=0; i<6; i++) {
155 env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
156 if (tmp)
157 tmp = (*end) ? end+1 : end;
158 }
159
160 if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
161 if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
162 memcmp(dev->enetaddr, env_enetaddr, 6))
163 {
wdenk6069ff22003-02-28 00:49:47 +0000164 printf("\nWarning: %s MAC addresses don't match:\n", dev->name);
wdenkc6097192002-11-03 00:24:07 +0000165 printf("Address in SROM is "
166 "%02X:%02X:%02X:%02X:%02X:%02X\n",
167 dev->enetaddr[0], dev->enetaddr[1],
168 dev->enetaddr[2], dev->enetaddr[3],
169 dev->enetaddr[4], dev->enetaddr[5]);
170 printf("Address in environment is "
171 "%02X:%02X:%02X:%02X:%02X:%02X\n",
172 env_enetaddr[0], env_enetaddr[1],
173 env_enetaddr[2], env_enetaddr[3],
174 env_enetaddr[4], env_enetaddr[5]);
175 }
176
177 memcpy(dev->enetaddr, env_enetaddr, 6);
178 }
179
180 eth_number++;
181 dev = dev->next;
182 } while(dev != eth_devices);
183
184 putc ('\n');
185 }
186
187 return eth_number;
188}
189
190void eth_set_enetaddr(int num, char *addr) {
191 struct eth_device *dev;
192 unsigned char enetaddr[6];
193 char *end;
194 int i;
195
196#ifdef DEBUG
197 printf("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr);
198#endif
199 if (!eth_devices)
200 return;
201
202 for (i=0; i<6; i++) {
203 enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0;
204 if (addr)
205 addr = (*end) ? end+1 : end;
206 }
207
208 dev = eth_devices;
209 while(num-- > 0) {
210 dev = dev->next;
211
212 if (dev == eth_devices)
213 return;
214 }
215
216#ifdef DEBUG
217 printf("Setting new HW address on %s\n", dev->name);
218 printf("New Address is "
219 "%02X:%02X:%02X:%02X:%02X:%02X\n",
220 dev->enetaddr[0], dev->enetaddr[1],
221 dev->enetaddr[2], dev->enetaddr[3],
222 dev->enetaddr[4], dev->enetaddr[5]);
223#endif
224
225 memcpy(dev->enetaddr, enetaddr, 6);
226}
227
228int eth_init(bd_t *bis)
229{
230 struct eth_device* old_current;
231
232 if (!eth_current)
233 return 0;
234
235 old_current = eth_current;
236 do {
237#ifdef DEBUG
238 printf("Trying %s\n", eth_current->name);
239#endif
240
241 if (eth_current->init(eth_current, bis)) {
242 eth_current->state = ETH_STATE_ACTIVE;
243
wdenkc6097192002-11-03 00:24:07 +0000244 return 1;
245 }
246
247#ifdef DEBUG
248 puts ("FAIL\n");
249#endif
250
251 eth_try_another(0);
252 } while (old_current != eth_current);
253
254 return 0;
255}
256
257void eth_halt(void)
258{
259 if (!eth_current)
260 return;
261
262 eth_current->halt(eth_current);
263
264 eth_current->state = ETH_STATE_PASSIVE;
265}
266
267int eth_send(volatile void *packet, int length)
268{
269 if (!eth_current)
270 return -1;
271
272 return eth_current->send(eth_current, packet, length);
273}
274
275int eth_rx(void)
276{
277 if (!eth_current)
278 return -1;
279
280 return eth_current->recv(eth_current);
281}
282
283void eth_try_another(int first_restart)
284{
285 static struct eth_device *first_failed = NULL;
286
287 if (!eth_current)
288 return;
289
290 if (first_restart)
291 {
292 first_failed = eth_current;
293 }
294
295 eth_current = eth_current->next;
296
297 if (first_failed == eth_current)
298 {
299 NetRestartWrap = 1;
300 }
301}
302
303#endif