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c609719b WD |
1 | /* |
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 | |
31 | extern int gt6426x_eth_initialize(bd_t *bis); | |
32 | #endif | |
33 | ||
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*); | |
c7de829c | 38 | extern int eth_3com_initialize(bd_t*); |
c609719b WD |
39 | extern int pcnet_initialize(bd_t*); |
40 | extern int fec_initialize(bd_t*); | |
41 | extern int scc_initialize(bd_t*); | |
42 | ||
43 | static struct eth_device *eth_devices, *eth_current; | |
44 | ||
45 | struct eth_device *eth_get_dev(void) | |
46 | { | |
47 | return eth_current; | |
48 | } | |
49 | ||
50 | int eth_get_dev_index (void) | |
51 | { | |
52 | struct eth_device *dev; | |
53 | int num = 0; | |
54 | ||
55 | if (!eth_devices) { | |
56 | return (-1); | |
57 | } | |
58 | ||
59 | for (dev = eth_devices; dev; dev = dev->next) { | |
60 | if (dev == eth_current) | |
61 | break; | |
62 | ++num; | |
63 | } | |
64 | ||
65 | if (dev) { | |
66 | return (num); | |
67 | } | |
68 | ||
69 | return (0); | |
70 | } | |
71 | ||
72 | int eth_register(struct eth_device* dev) | |
73 | { | |
74 | struct eth_device *d; | |
75 | ||
76 | if (!eth_devices) { | |
77 | eth_current = eth_devices = dev; | |
78 | } else { | |
79 | for (d=eth_devices; d->next!=eth_devices; d=d->next); | |
80 | d->next = dev; | |
81 | } | |
82 | ||
83 | dev->state = ETH_STATE_INIT; | |
84 | dev->next = eth_devices; | |
85 | ||
86 | return 0; | |
87 | } | |
88 | ||
89 | int eth_initialize(bd_t *bis) | |
90 | { | |
91 | unsigned char enetvar[32], env_enetaddr[6]; | |
92 | int i, eth_number = 0; | |
93 | char *tmp, *end; | |
94 | ||
95 | eth_devices = NULL; | |
96 | eth_current = NULL; | |
97 | ||
98 | #ifdef CONFIG_EEPRO100 | |
99 | eepro100_initialize(bis); | |
100 | #endif | |
101 | #ifdef CONFIG_TULIP | |
102 | dc21x4x_initialize(bis); | |
103 | #endif | |
c7de829c WD |
104 | #ifdef CONFIG_3COM |
105 | eth_3com_initialize(bis); | |
106 | #endif | |
c609719b WD |
107 | #ifdef CONFIG_PCNET |
108 | pcnet_initialize(bis); | |
109 | #endif | |
110 | #ifdef CFG_GT_6426x | |
111 | gt6426x_eth_initialize(bis); | |
112 | #endif | |
113 | #ifdef CONFIG_NATSEMI | |
114 | natsemi_initialize(bis); | |
115 | #endif | |
116 | #ifdef CONFIG_NS8382X | |
117 | ns8382x_initialize(bis); | |
118 | #endif | |
119 | #ifdef SCC_ENET | |
120 | scc_initialize(bis); | |
121 | #endif | |
122 | #ifdef FEC_ENET | |
123 | fec_initialize(bis); | |
124 | #endif | |
125 | ||
126 | if (!eth_devices) { | |
127 | puts ("No ethernet found.\n"); | |
128 | } else { | |
129 | struct eth_device *dev = eth_devices; | |
130 | char *ethprime = getenv ("ethprime"); | |
131 | ||
132 | do { | |
133 | if (eth_number) | |
134 | puts (", "); | |
135 | ||
136 | printf("%s", dev->name); | |
137 | ||
138 | if (ethprime && strcmp (dev->name, ethprime) == 0) { | |
139 | eth_current = dev; | |
140 | puts (" [PRIME]"); | |
141 | } | |
142 | ||
143 | sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number); | |
144 | tmp = getenv (enetvar); | |
145 | ||
146 | for (i=0; i<6; i++) { | |
147 | env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0; | |
148 | if (tmp) | |
149 | tmp = (*end) ? end+1 : end; | |
150 | } | |
151 | ||
152 | if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) { | |
153 | if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) && | |
154 | memcmp(dev->enetaddr, env_enetaddr, 6)) | |
155 | { | |
156 | printf("\nWarning: %s HW address don't match:\n", dev->name); | |
157 | printf("Address in SROM is " | |
158 | "%02X:%02X:%02X:%02X:%02X:%02X\n", | |
159 | dev->enetaddr[0], dev->enetaddr[1], | |
160 | dev->enetaddr[2], dev->enetaddr[3], | |
161 | dev->enetaddr[4], dev->enetaddr[5]); | |
162 | printf("Address in environment is " | |
163 | "%02X:%02X:%02X:%02X:%02X:%02X\n", | |
164 | env_enetaddr[0], env_enetaddr[1], | |
165 | env_enetaddr[2], env_enetaddr[3], | |
166 | env_enetaddr[4], env_enetaddr[5]); | |
167 | } | |
168 | ||
169 | memcpy(dev->enetaddr, env_enetaddr, 6); | |
170 | } | |
171 | ||
172 | eth_number++; | |
173 | dev = dev->next; | |
174 | } while(dev != eth_devices); | |
175 | ||
176 | putc ('\n'); | |
177 | } | |
178 | ||
179 | return eth_number; | |
180 | } | |
181 | ||
182 | void eth_set_enetaddr(int num, char *addr) { | |
183 | struct eth_device *dev; | |
184 | unsigned char enetaddr[6]; | |
185 | char *end; | |
186 | int i; | |
187 | ||
188 | #ifdef DEBUG | |
189 | printf("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr); | |
190 | #endif | |
191 | if (!eth_devices) | |
192 | return; | |
193 | ||
194 | for (i=0; i<6; i++) { | |
195 | enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0; | |
196 | if (addr) | |
197 | addr = (*end) ? end+1 : end; | |
198 | } | |
199 | ||
200 | dev = eth_devices; | |
201 | while(num-- > 0) { | |
202 | dev = dev->next; | |
203 | ||
204 | if (dev == eth_devices) | |
205 | return; | |
206 | } | |
207 | ||
208 | #ifdef DEBUG | |
209 | printf("Setting new HW address on %s\n", dev->name); | |
210 | printf("New Address is " | |
211 | "%02X:%02X:%02X:%02X:%02X:%02X\n", | |
212 | dev->enetaddr[0], dev->enetaddr[1], | |
213 | dev->enetaddr[2], dev->enetaddr[3], | |
214 | dev->enetaddr[4], dev->enetaddr[5]); | |
215 | #endif | |
216 | ||
217 | memcpy(dev->enetaddr, enetaddr, 6); | |
218 | } | |
219 | ||
220 | int eth_init(bd_t *bis) | |
221 | { | |
222 | struct eth_device* old_current; | |
223 | ||
224 | if (!eth_current) | |
225 | return 0; | |
226 | ||
227 | old_current = eth_current; | |
228 | do { | |
229 | #ifdef DEBUG | |
230 | printf("Trying %s\n", eth_current->name); | |
231 | #endif | |
232 | ||
233 | if (eth_current->init(eth_current, bis)) { | |
234 | eth_current->state = ETH_STATE_ACTIVE; | |
235 | ||
c609719b WD |
236 | return 1; |
237 | } | |
238 | ||
239 | #ifdef DEBUG | |
240 | puts ("FAIL\n"); | |
241 | #endif | |
242 | ||
243 | eth_try_another(0); | |
244 | } while (old_current != eth_current); | |
245 | ||
246 | return 0; | |
247 | } | |
248 | ||
249 | void eth_halt(void) | |
250 | { | |
251 | if (!eth_current) | |
252 | return; | |
253 | ||
254 | eth_current->halt(eth_current); | |
255 | ||
256 | eth_current->state = ETH_STATE_PASSIVE; | |
257 | } | |
258 | ||
259 | int eth_send(volatile void *packet, int length) | |
260 | { | |
261 | if (!eth_current) | |
262 | return -1; | |
263 | ||
264 | return eth_current->send(eth_current, packet, length); | |
265 | } | |
266 | ||
267 | int eth_rx(void) | |
268 | { | |
269 | if (!eth_current) | |
270 | return -1; | |
271 | ||
272 | return eth_current->recv(eth_current); | |
273 | } | |
274 | ||
275 | void eth_try_another(int first_restart) | |
276 | { | |
277 | static struct eth_device *first_failed = NULL; | |
278 | ||
279 | if (!eth_current) | |
280 | return; | |
281 | ||
282 | if (first_restart) | |
283 | { | |
284 | first_failed = eth_current; | |
285 | } | |
286 | ||
287 | eth_current = eth_current->next; | |
288 | ||
289 | if (first_failed == eth_current) | |
290 | { | |
291 | NetRestartWrap = 1; | |
292 | } | |
293 | } | |
294 | ||
295 | #endif |