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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*); | |
38 | extern int pcnet_initialize(bd_t*); | |
39 | extern int fec_initialize(bd_t*); | |
40 | extern int scc_initialize(bd_t*); | |
41 | ||
42 | static struct eth_device *eth_devices, *eth_current; | |
43 | ||
44 | struct eth_device *eth_get_dev(void) | |
45 | { | |
46 | return eth_current; | |
47 | } | |
48 | ||
49 | int eth_get_dev_index (void) | |
50 | { | |
51 | struct eth_device *dev; | |
52 | int num = 0; | |
53 | ||
54 | if (!eth_devices) { | |
55 | return (-1); | |
56 | } | |
57 | ||
58 | for (dev = eth_devices; dev; dev = dev->next) { | |
59 | if (dev == eth_current) | |
60 | break; | |
61 | ++num; | |
62 | } | |
63 | ||
64 | if (dev) { | |
65 | return (num); | |
66 | } | |
67 | ||
68 | return (0); | |
69 | } | |
70 | ||
71 | int eth_register(struct eth_device* dev) | |
72 | { | |
73 | struct eth_device *d; | |
74 | ||
75 | if (!eth_devices) { | |
76 | eth_current = eth_devices = dev; | |
77 | } else { | |
78 | for (d=eth_devices; d->next!=eth_devices; d=d->next); | |
79 | d->next = dev; | |
80 | } | |
81 | ||
82 | dev->state = ETH_STATE_INIT; | |
83 | dev->next = eth_devices; | |
84 | ||
85 | return 0; | |
86 | } | |
87 | ||
88 | int eth_initialize(bd_t *bis) | |
89 | { | |
90 | unsigned char enetvar[32], env_enetaddr[6]; | |
91 | int i, eth_number = 0; | |
92 | char *tmp, *end; | |
93 | ||
94 | eth_devices = NULL; | |
95 | eth_current = NULL; | |
96 | ||
97 | #ifdef CONFIG_EEPRO100 | |
98 | eepro100_initialize(bis); | |
99 | #endif | |
100 | #ifdef CONFIG_TULIP | |
101 | dc21x4x_initialize(bis); | |
102 | #endif | |
103 | #ifdef CONFIG_PCNET | |
104 | pcnet_initialize(bis); | |
105 | #endif | |
106 | #ifdef CFG_GT_6426x | |
107 | gt6426x_eth_initialize(bis); | |
108 | #endif | |
109 | #ifdef CONFIG_NATSEMI | |
110 | natsemi_initialize(bis); | |
111 | #endif | |
112 | #ifdef CONFIG_NS8382X | |
113 | ns8382x_initialize(bis); | |
114 | #endif | |
115 | #ifdef SCC_ENET | |
116 | scc_initialize(bis); | |
117 | #endif | |
118 | #ifdef FEC_ENET | |
119 | fec_initialize(bis); | |
120 | #endif | |
121 | ||
122 | if (!eth_devices) { | |
123 | puts ("No ethernet found.\n"); | |
124 | } else { | |
125 | struct eth_device *dev = eth_devices; | |
126 | char *ethprime = getenv ("ethprime"); | |
127 | ||
128 | do { | |
129 | if (eth_number) | |
130 | puts (", "); | |
131 | ||
132 | printf("%s", dev->name); | |
133 | ||
134 | if (ethprime && strcmp (dev->name, ethprime) == 0) { | |
135 | eth_current = dev; | |
136 | puts (" [PRIME]"); | |
137 | } | |
138 | ||
139 | sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number); | |
140 | tmp = getenv (enetvar); | |
141 | ||
142 | for (i=0; i<6; i++) { | |
143 | env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0; | |
144 | if (tmp) | |
145 | tmp = (*end) ? end+1 : end; | |
146 | } | |
147 | ||
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)) | |
151 | { | |
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]); | |
163 | } | |
164 | ||
165 | memcpy(dev->enetaddr, env_enetaddr, 6); | |
166 | } | |
167 | ||
168 | eth_number++; | |
169 | dev = dev->next; | |
170 | } while(dev != eth_devices); | |
171 | ||
172 | putc ('\n'); | |
173 | } | |
174 | ||
175 | return eth_number; | |
176 | } | |
177 | ||
178 | void eth_set_enetaddr(int num, char *addr) { | |
179 | struct eth_device *dev; | |
180 | unsigned char enetaddr[6]; | |
181 | char *end; | |
182 | int i; | |
183 | ||
184 | #ifdef DEBUG | |
185 | printf("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr); | |
186 | #endif | |
187 | if (!eth_devices) | |
188 | return; | |
189 | ||
190 | for (i=0; i<6; i++) { | |
191 | enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0; | |
192 | if (addr) | |
193 | addr = (*end) ? end+1 : end; | |
194 | } | |
195 | ||
196 | dev = eth_devices; | |
197 | while(num-- > 0) { | |
198 | dev = dev->next; | |
199 | ||
200 | if (dev == eth_devices) | |
201 | return; | |
202 | } | |
203 | ||
204 | #ifdef DEBUG | |
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]); | |
211 | #endif | |
212 | ||
213 | memcpy(dev->enetaddr, enetaddr, 6); | |
214 | } | |
215 | ||
216 | int eth_init(bd_t *bis) | |
217 | { | |
218 | struct eth_device* old_current; | |
219 | ||
220 | if (!eth_current) | |
221 | return 0; | |
222 | ||
223 | old_current = eth_current; | |
224 | do { | |
225 | #ifdef DEBUG | |
226 | printf("Trying %s\n", eth_current->name); | |
227 | #endif | |
228 | ||
229 | if (eth_current->init(eth_current, bis)) { | |
230 | eth_current->state = ETH_STATE_ACTIVE; | |
231 | ||
c609719b WD |
232 | return 1; |
233 | } | |
234 | ||
235 | #ifdef DEBUG | |
236 | puts ("FAIL\n"); | |
237 | #endif | |
238 | ||
239 | eth_try_another(0); | |
240 | } while (old_current != eth_current); | |
241 | ||
242 | return 0; | |
243 | } | |
244 | ||
245 | void eth_halt(void) | |
246 | { | |
247 | if (!eth_current) | |
248 | return; | |
249 | ||
250 | eth_current->halt(eth_current); | |
251 | ||
252 | eth_current->state = ETH_STATE_PASSIVE; | |
253 | } | |
254 | ||
255 | int eth_send(volatile void *packet, int length) | |
256 | { | |
257 | if (!eth_current) | |
258 | return -1; | |
259 | ||
260 | return eth_current->send(eth_current, packet, length); | |
261 | } | |
262 | ||
263 | int eth_rx(void) | |
264 | { | |
265 | if (!eth_current) | |
266 | return -1; | |
267 | ||
268 | return eth_current->recv(eth_current); | |
269 | } | |
270 | ||
271 | void eth_try_another(int first_restart) | |
272 | { | |
273 | static struct eth_device *first_failed = NULL; | |
274 | ||
275 | if (!eth_current) | |
276 | return; | |
277 | ||
278 | if (first_restart) | |
279 | { | |
280 | first_failed = eth_current; | |
281 | } | |
282 | ||
283 | eth_current = eth_current->next; | |
284 | ||
285 | if (first_failed == eth_current) | |
286 | { | |
287 | NetRestartWrap = 1; | |
288 | } | |
289 | } | |
290 | ||
291 | #endif |