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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 | ||
682011ff | 34 | extern int e1000_initialize(bd_t*); |
c609719b WD |
35 | extern int eepro100_initialize(bd_t*); |
36 | extern int natsemi_initialize(bd_t*); | |
37 | extern int ns8382x_initialize(bd_t*); | |
38 | extern int dc21x4x_initialize(bd_t*); | |
c7de829c | 39 | extern int eth_3com_initialize(bd_t*); |
c609719b WD |
40 | extern int pcnet_initialize(bd_t*); |
41 | extern int fec_initialize(bd_t*); | |
42 | extern int scc_initialize(bd_t*); | |
6069ff26 | 43 | extern int inca_switch_initialize(bd_t*); |
a3ed3996 | 44 | extern int ppc_4xx_eth_initialize(bd_t *); |
3e38691e | 45 | extern int plb2800_eth_initialize(bd_t*); |
c609719b WD |
46 | |
47 | static struct eth_device *eth_devices, *eth_current; | |
48 | ||
49 | struct eth_device *eth_get_dev(void) | |
50 | { | |
51 | return eth_current; | |
52 | } | |
53 | ||
54 | int eth_get_dev_index (void) | |
55 | { | |
56 | struct eth_device *dev; | |
57 | int num = 0; | |
58 | ||
59 | if (!eth_devices) { | |
60 | return (-1); | |
61 | } | |
62 | ||
63 | for (dev = eth_devices; dev; dev = dev->next) { | |
64 | if (dev == eth_current) | |
65 | break; | |
66 | ++num; | |
67 | } | |
68 | ||
69 | if (dev) { | |
70 | return (num); | |
71 | } | |
72 | ||
73 | return (0); | |
74 | } | |
75 | ||
76 | int eth_register(struct eth_device* dev) | |
77 | { | |
78 | struct eth_device *d; | |
79 | ||
80 | if (!eth_devices) { | |
81 | eth_current = eth_devices = dev; | |
82 | } else { | |
83 | for (d=eth_devices; d->next!=eth_devices; d=d->next); | |
84 | d->next = dev; | |
85 | } | |
86 | ||
87 | dev->state = ETH_STATE_INIT; | |
88 | dev->next = eth_devices; | |
89 | ||
90 | return 0; | |
91 | } | |
92 | ||
93 | int eth_initialize(bd_t *bis) | |
94 | { | |
95 | unsigned char enetvar[32], env_enetaddr[6]; | |
96 | int i, eth_number = 0; | |
97 | char *tmp, *end; | |
98 | ||
99 | eth_devices = NULL; | |
100 | eth_current = NULL; | |
101 | ||
71f95118 | 102 | #if defined(CONFIG_405GP) || defined(CONFIG_440) || defined(CONFIG_405EP) |
8bde7f77 | 103 | ppc_4xx_eth_initialize(bis); |
a3ed3996 | 104 | #endif |
6069ff26 WD |
105 | #ifdef CONFIG_INCA_IP_SWITCH |
106 | inca_switch_initialize(bis); | |
107 | #endif | |
3e38691e WD |
108 | #ifdef CONFIG_PLB2800_ETHER |
109 | plb2800_eth_initialize(bis); | |
110 | #endif | |
682011ff WD |
111 | #ifdef CONFIG_E1000 |
112 | e1000_initialize(bis); | |
113 | #endif | |
c609719b WD |
114 | #ifdef CONFIG_EEPRO100 |
115 | eepro100_initialize(bis); | |
116 | #endif | |
117 | #ifdef CONFIG_TULIP | |
118 | dc21x4x_initialize(bis); | |
119 | #endif | |
c7de829c WD |
120 | #ifdef CONFIG_3COM |
121 | eth_3com_initialize(bis); | |
122 | #endif | |
c609719b WD |
123 | #ifdef CONFIG_PCNET |
124 | pcnet_initialize(bis); | |
125 | #endif | |
126 | #ifdef CFG_GT_6426x | |
127 | gt6426x_eth_initialize(bis); | |
128 | #endif | |
129 | #ifdef CONFIG_NATSEMI | |
130 | natsemi_initialize(bis); | |
131 | #endif | |
132 | #ifdef CONFIG_NS8382X | |
133 | ns8382x_initialize(bis); | |
134 | #endif | |
135 | #ifdef SCC_ENET | |
136 | scc_initialize(bis); | |
137 | #endif | |
aacf9a49 | 138 | #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC) |
c609719b WD |
139 | fec_initialize(bis); |
140 | #endif | |
141 | ||
142 | if (!eth_devices) { | |
143 | puts ("No ethernet found.\n"); | |
144 | } else { | |
145 | struct eth_device *dev = eth_devices; | |
146 | char *ethprime = getenv ("ethprime"); | |
147 | ||
148 | do { | |
149 | if (eth_number) | |
150 | puts (", "); | |
151 | ||
152 | printf("%s", dev->name); | |
153 | ||
154 | if (ethprime && strcmp (dev->name, ethprime) == 0) { | |
155 | eth_current = dev; | |
156 | puts (" [PRIME]"); | |
157 | } | |
158 | ||
159 | sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number); | |
160 | tmp = getenv (enetvar); | |
161 | ||
162 | for (i=0; i<6; i++) { | |
163 | env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0; | |
164 | if (tmp) | |
165 | tmp = (*end) ? end+1 : end; | |
166 | } | |
167 | ||
168 | if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) { | |
169 | if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) && | |
170 | memcmp(dev->enetaddr, env_enetaddr, 6)) | |
171 | { | |
6069ff26 | 172 | printf("\nWarning: %s MAC addresses don't match:\n", dev->name); |
c609719b WD |
173 | printf("Address in SROM is " |
174 | "%02X:%02X:%02X:%02X:%02X:%02X\n", | |
175 | dev->enetaddr[0], dev->enetaddr[1], | |
176 | dev->enetaddr[2], dev->enetaddr[3], | |
177 | dev->enetaddr[4], dev->enetaddr[5]); | |
178 | printf("Address in environment is " | |
179 | "%02X:%02X:%02X:%02X:%02X:%02X\n", | |
180 | env_enetaddr[0], env_enetaddr[1], | |
181 | env_enetaddr[2], env_enetaddr[3], | |
182 | env_enetaddr[4], env_enetaddr[5]); | |
183 | } | |
184 | ||
185 | memcpy(dev->enetaddr, env_enetaddr, 6); | |
186 | } | |
187 | ||
188 | eth_number++; | |
189 | dev = dev->next; | |
190 | } while(dev != eth_devices); | |
191 | ||
192 | putc ('\n'); | |
193 | } | |
194 | ||
195 | return eth_number; | |
196 | } | |
197 | ||
198 | void eth_set_enetaddr(int num, char *addr) { | |
199 | struct eth_device *dev; | |
200 | unsigned char enetaddr[6]; | |
201 | char *end; | |
202 | int i; | |
203 | ||
204 | #ifdef DEBUG | |
205 | printf("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr); | |
206 | #endif | |
207 | if (!eth_devices) | |
208 | return; | |
209 | ||
210 | for (i=0; i<6; i++) { | |
211 | enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0; | |
212 | if (addr) | |
213 | addr = (*end) ? end+1 : end; | |
214 | } | |
215 | ||
216 | dev = eth_devices; | |
217 | while(num-- > 0) { | |
218 | dev = dev->next; | |
219 | ||
220 | if (dev == eth_devices) | |
221 | return; | |
222 | } | |
223 | ||
224 | #ifdef DEBUG | |
225 | printf("Setting new HW address on %s\n", dev->name); | |
226 | printf("New Address is " | |
227 | "%02X:%02X:%02X:%02X:%02X:%02X\n", | |
228 | dev->enetaddr[0], dev->enetaddr[1], | |
229 | dev->enetaddr[2], dev->enetaddr[3], | |
230 | dev->enetaddr[4], dev->enetaddr[5]); | |
231 | #endif | |
232 | ||
233 | memcpy(dev->enetaddr, enetaddr, 6); | |
234 | } | |
235 | ||
236 | int eth_init(bd_t *bis) | |
237 | { | |
238 | struct eth_device* old_current; | |
239 | ||
240 | if (!eth_current) | |
241 | return 0; | |
242 | ||
243 | old_current = eth_current; | |
244 | do { | |
245 | #ifdef DEBUG | |
246 | printf("Trying %s\n", eth_current->name); | |
247 | #endif | |
248 | ||
249 | if (eth_current->init(eth_current, bis)) { | |
250 | eth_current->state = ETH_STATE_ACTIVE; | |
251 | ||
c609719b WD |
252 | return 1; |
253 | } | |
254 | ||
255 | #ifdef DEBUG | |
256 | puts ("FAIL\n"); | |
257 | #endif | |
258 | ||
259 | eth_try_another(0); | |
260 | } while (old_current != eth_current); | |
261 | ||
262 | return 0; | |
263 | } | |
264 | ||
265 | void eth_halt(void) | |
266 | { | |
267 | if (!eth_current) | |
268 | return; | |
269 | ||
270 | eth_current->halt(eth_current); | |
271 | ||
272 | eth_current->state = ETH_STATE_PASSIVE; | |
273 | } | |
274 | ||
275 | int eth_send(volatile void *packet, int length) | |
276 | { | |
277 | if (!eth_current) | |
278 | return -1; | |
279 | ||
280 | return eth_current->send(eth_current, packet, length); | |
281 | } | |
282 | ||
283 | int eth_rx(void) | |
284 | { | |
285 | if (!eth_current) | |
286 | return -1; | |
287 | ||
288 | return eth_current->recv(eth_current); | |
289 | } | |
290 | ||
291 | void eth_try_another(int first_restart) | |
292 | { | |
293 | static struct eth_device *first_failed = NULL; | |
294 | ||
295 | if (!eth_current) | |
296 | return; | |
297 | ||
298 | if (first_restart) | |
299 | { | |
300 | first_failed = eth_current; | |
301 | } | |
302 | ||
303 | eth_current = eth_current->next; | |
304 | ||
305 | if (first_failed == eth_current) | |
306 | { | |
307 | NetRestartWrap = 1; | |
308 | } | |
309 | } | |
310 | ||
311 | #endif |