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wdenkc6097192002-11-03 00:24:07 +00001/*
wdenk1ebf41e2004-01-02 14:00:00 +00002 * (C) Copyright 2001-2004
wdenkc6097192002-11-03 00:24:07 +00003 * 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>
Marian Balakowiczcbdd1c82005-11-30 18:06:04 +010027#include <miiphy.h>
wdenkc6097192002-11-03 00:24:07 +000028
Jon Loeliger54f35c22007-07-09 17:45:14 -050029#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI)
wdenkc6097192002-11-03 00:24:07 +000030
Ben Warrend448a492008-06-23 22:57:27 -070031/*
32 * CPU and board-specific Ethernet initializations. Aliased function
33 * signals caller to move on
34 */
35static int __def_eth_init(bd_t *bis)
36{
37 return -1;
38}
39int cpu_eth_init(bd_t *bis) __attribute((weak, alias("__def_eth_init")));
40int board_eth_init(bd_t *bis) __attribute((weak, alias("__def_eth_init")));
41
wdenkc6097192002-11-03 00:24:07 +000042#ifdef CFG_GT_6426x
43extern int gt6426x_eth_initialize(bd_t *bis);
44#endif
45
wdenk5da7f2f2004-01-03 00:43:19 +000046extern int au1x00_enet_initialize(bd_t*);
47extern int dc21x4x_initialize(bd_t*);
wdenk4e112c12003-06-03 23:54:09 +000048extern int e1000_initialize(bd_t*);
wdenkc6097192002-11-03 00:24:07 +000049extern int eepro100_initialize(bd_t*);
wdenk452cfd62002-11-19 11:04:11 +000050extern int eth_3com_initialize(bd_t*);
wdenkc6097192002-11-03 00:24:07 +000051extern int fec_initialize(bd_t*);
wdenk4fc95692003-02-28 00:49:47 +000052extern int inca_switch_initialize(bd_t*);
wdenk21136db2003-07-16 21:53:01 +000053extern int mpc5xxx_fec_initialize(bd_t*);
Rafal Jaworowskid3a02c32007-07-27 14:43:59 +020054extern int mpc512x_fec_initialize(bd_t*);
wdenk337f5652004-10-28 00:09:35 +000055extern int mpc8220_fec_initialize(bd_t*);
wdenk5da7f2f2004-01-03 00:43:19 +000056extern int mv6436x_eth_initialize(bd_t *);
57extern int mv6446x_eth_initialize(bd_t *);
58extern int natsemi_initialize(bd_t*);
59extern int ns8382x_initialize(bd_t*);
60extern int pcnet_initialize(bd_t*);
61extern int plb2800_eth_initialize(bd_t*);
62extern int ppc_4xx_eth_initialize(bd_t *);
63extern int rtl8139_initialize(bd_t*);
wdenka6270482004-04-18 22:03:42 +000064extern int rtl8169_initialize(bd_t*);
wdenk5da7f2f2004-01-03 00:43:19 +000065extern int scc_initialize(bd_t*);
wdenkeb20ad32003-09-05 23:19:14 +000066extern int skge_initialize(bd_t*);
roy zang72526f72006-11-02 19:08:55 +080067extern int tsi108_eth_initialize(bd_t*);
Roy Zang99762232007-11-05 17:39:24 +080068extern int uli526x_initialize(bd_t *);
Wolfgang Denk4646d2a2006-05-30 15:56:48 +020069extern int npe_initialize(bd_t *);
Dave Liue732e9c2006-11-03 12:11:15 -060070extern int uec_initialize(int);
Aubrey Li570dc1e2007-04-05 18:30:25 +080071extern int bfin_EMAC_initialize(bd_t *);
Haavard Skinnemoen58f4c262006-12-17 17:14:30 +010072extern int atstk1000_eth_initialize(bd_t *);
Daniel Hellstromf1431792008-03-28 20:22:53 +010073extern int greth_initialize(bd_t *);
Haavard Skinnemoenb62a4312007-04-14 17:11:49 +020074extern int atngw100_eth_initialize(bd_t *);
TsiChung Liewf6afe722007-06-18 13:50:13 -050075extern int mcffec_initialize(bd_t*);
TsiChungLiew95e87872008-01-15 14:00:25 -060076extern int mcdmafec_initialize(bd_t*);
Stelian Popeea44aa2008-03-26 20:52:28 +010077extern int at91sam9_eth_initialize(bd_t *);
wdenkc6097192002-11-03 00:24:07 +000078
Rafal Jaworowski1f2c9a42007-12-27 18:19:02 +010079#ifdef CONFIG_API
80extern void (*push_packet)(volatile void *, int);
81
82static struct {
83 uchar data[PKTSIZE];
84 int length;
85} eth_rcv_bufs[PKTBUFSRX];
86
87static unsigned int eth_rcv_current = 0, eth_rcv_last = 0;
88#endif
89
wdenkc6097192002-11-03 00:24:07 +000090static struct eth_device *eth_devices, *eth_current;
91
92struct eth_device *eth_get_dev(void)
93{
94 return eth_current;
95}
96
Marian Balakowiczaab8c492005-10-28 22:30:33 +020097struct eth_device *eth_get_dev_by_name(char *devname)
98{
99 struct eth_device *dev, *target_dev;
100
101 if (!eth_devices)
102 return NULL;
103
104 dev = eth_devices;
105 target_dev = NULL;
106 do {
107 if (strcmp(devname, dev->name) == 0) {
108 target_dev = dev;
109 break;
110 }
111 dev = dev->next;
112 } while (dev != eth_devices);
113
114 return target_dev;
115}
116
wdenkc6097192002-11-03 00:24:07 +0000117int eth_get_dev_index (void)
118{
119 struct eth_device *dev;
120 int num = 0;
121
122 if (!eth_devices) {
123 return (-1);
124 }
125
126 for (dev = eth_devices; dev; dev = dev->next) {
127 if (dev == eth_current)
128 break;
129 ++num;
130 }
131
132 if (dev) {
133 return (num);
134 }
135
136 return (0);
137}
138
139int eth_register(struct eth_device* dev)
140{
141 struct eth_device *d;
142
143 if (!eth_devices) {
144 eth_current = eth_devices = dev;
wdenk145d2c12004-04-15 21:48:45 +0000145#ifdef CONFIG_NET_MULTI
146 /* update current ethernet name */
147 {
148 char *act = getenv("ethact");
149 if (act == NULL || strcmp(act, eth_current->name) != 0)
150 setenv("ethact", eth_current->name);
151 }
152#endif
wdenkc6097192002-11-03 00:24:07 +0000153 } else {
154 for (d=eth_devices; d->next!=eth_devices; d=d->next);
155 d->next = dev;
156 }
157
158 dev->state = ETH_STATE_INIT;
159 dev->next = eth_devices;
160
161 return 0;
162}
163
164int eth_initialize(bd_t *bis)
165{
Shinya Kuribayashidb7101e2007-11-19 20:27:04 +0900166 char enetvar[32];
167 unsigned char env_enetaddr[6];
wdenkc6097192002-11-03 00:24:07 +0000168 int i, eth_number = 0;
169 char *tmp, *end;
170
171 eth_devices = NULL;
172 eth_current = NULL;
173
Heiko Schocher8a8ec532007-07-13 09:54:17 +0200174 show_boot_progress (64);
Jon Loeliger54f35c22007-07-09 17:45:14 -0500175#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
Marian Balakowiczcbdd1c82005-11-30 18:06:04 +0100176 miiphy_init();
177#endif
Ben Warrend448a492008-06-23 22:57:27 -0700178 /* Try board-specific initialization first. If it fails or isn't
179 * present, try the cpu-specific initialization */
180 if (board_eth_init(bis) < 0)
181 cpu_eth_init(bis);
Marian Balakowiczcbdd1c82005-11-30 18:06:04 +0100182
Stefan Roese45993ea2006-11-29 15:42:37 +0100183#if defined(CONFIG_DB64360) || defined(CONFIG_CPCI750)
wdenk5da7f2f2004-01-03 00:43:19 +0000184 mv6436x_eth_initialize(bis);
185#endif
Stefan Roese45993ea2006-11-29 15:42:37 +0100186#if defined(CONFIG_DB64460) || defined(CONFIG_P3Mx)
wdenk5da7f2f2004-01-03 00:43:19 +0000187 mv6446x_eth_initialize(bis);
188#endif
Wolfgang Denk56811f62005-10-09 01:04:33 +0200189#if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) && !defined(CONFIG_AP1000)
wdenk57b2d802003-06-27 21:31:46 +0000190 ppc_4xx_eth_initialize(bis);
wdenk77934442003-06-05 19:37:36 +0000191#endif
wdenk4fc95692003-02-28 00:49:47 +0000192#ifdef CONFIG_INCA_IP_SWITCH
193 inca_switch_initialize(bis);
194#endif
wdenkb02744a2003-04-05 00:53:31 +0000195#ifdef CONFIG_PLB2800_ETHER
196 plb2800_eth_initialize(bis);
197#endif
wdenk63a10be2004-05-08 20:33:20 +0000198#ifdef SCC_ENET
199 scc_initialize(bis);
200#endif
wdenk63a10be2004-05-08 20:33:20 +0000201#if defined(CONFIG_MPC5xxx_FEC)
202 mpc5xxx_fec_initialize(bis);
203#endif
Rafal Jaworowskid3a02c32007-07-27 14:43:59 +0200204#if defined(CONFIG_MPC512x_FEC)
205 mpc512x_fec_initialize (bis);
206#endif
wdenk5c71a7a2005-05-16 15:23:22 +0000207#if defined(CONFIG_MPC8220_FEC)
wdenk337f5652004-10-28 00:09:35 +0000208 mpc8220_fec_initialize(bis);
209#endif
wdenk63a10be2004-05-08 20:33:20 +0000210#if defined(CONFIG_SK98)
211 skge_initialize(bis);
212#endif
Dave Liue732e9c2006-11-03 12:11:15 -0600213#if defined(CONFIG_UEC_ETH1)
214 uec_initialize(0);
215#endif
216#if defined(CONFIG_UEC_ETH2)
217 uec_initialize(1);
218#endif
Joakim Tjernlund4e483202007-12-06 16:43:40 +0100219#if defined(CONFIG_UEC_ETH3)
220 uec_initialize(2);
221#endif
David Saadaf3978832008-01-15 10:40:24 +0200222#if defined(CONFIG_UEC_ETH4)
223 uec_initialize(3);
224#endif
Jon Loeliger5c8aa972006-04-26 17:58:56 -0500225
Stefan Roese09554022005-11-30 13:06:40 +0100226#if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
227 fec_initialize(bis);
228#endif
wdenk63a10be2004-05-08 20:33:20 +0000229#if defined(CONFIG_AU1X00)
230 au1x00_enet_initialize(bis);
231#endif
Wolfgang Denk4646d2a2006-05-30 15:56:48 +0200232#if defined(CONFIG_IXP4XX_NPE)
233 npe_initialize(bis);
234#endif
wdenk4e112c12003-06-03 23:54:09 +0000235#ifdef CONFIG_E1000
236 e1000_initialize(bis);
237#endif
wdenkc6097192002-11-03 00:24:07 +0000238#ifdef CONFIG_EEPRO100
239 eepro100_initialize(bis);
240#endif
241#ifdef CONFIG_TULIP
242 dc21x4x_initialize(bis);
243#endif
wdenk452cfd62002-11-19 11:04:11 +0000244#ifdef CONFIG_3COM
245 eth_3com_initialize(bis);
246#endif
wdenkc6097192002-11-03 00:24:07 +0000247#ifdef CONFIG_PCNET
248 pcnet_initialize(bis);
249#endif
250#ifdef CFG_GT_6426x
251 gt6426x_eth_initialize(bis);
252#endif
253#ifdef CONFIG_NATSEMI
254 natsemi_initialize(bis);
255#endif
256#ifdef CONFIG_NS8382X
257 ns8382x_initialize(bis);
258#endif
roy zang72526f72006-11-02 19:08:55 +0800259#if defined(CONFIG_TSI108_ETH)
260 tsi108_eth_initialize(bis);
261#endif
Roy Zang99762232007-11-05 17:39:24 +0800262#if defined(CONFIG_ULI526X)
263 uli526x_initialize(bis);
264#endif
wdenk0260cd62004-01-02 15:01:32 +0000265#if defined(CONFIG_RTL8139)
266 rtl8139_initialize(bis);
267#endif
wdenka6270482004-04-18 22:03:42 +0000268#if defined(CONFIG_RTL8169)
269 rtl8169_initialize(bis);
270#endif
Aubrey Li570dc1e2007-04-05 18:30:25 +0800271#if defined(CONFIG_BF537)
272 bfin_EMAC_initialize(bis);
273#endif
Haavard Skinnemoen58f4c262006-12-17 17:14:30 +0100274#if defined(CONFIG_ATSTK1000)
275 atstk1000_eth_initialize(bis);
276#endif
Daniel Hellstromf1431792008-03-28 20:22:53 +0100277#if defined(CONFIG_GRETH)
278 greth_initialize(bis);
279#endif
Haavard Skinnemoenb62a4312007-04-14 17:11:49 +0200280#if defined(CONFIG_ATNGW100)
281 atngw100_eth_initialize(bis);
282#endif
TsiChungLiew507bd712007-07-05 23:29:21 -0500283#if defined(CONFIG_MCFFEC)
284 mcffec_initialize(bis);
285#endif
TsiChungLiew95e87872008-01-15 14:00:25 -0600286#if defined(CONFIG_FSLDMAFEC)
287 mcdmafec_initialize(bis);
288#endif
Stelian Pop69c925f2008-05-08 18:52:23 +0200289#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
290 defined(CONFIG_AT91SAM9263)
Stelian Popeea44aa2008-03-26 20:52:28 +0100291 at91sam9_eth_initialize(bis);
Stelian Pop6c939742008-01-20 19:49:21 +0000292#endif
wdenkc6097192002-11-03 00:24:07 +0000293
294 if (!eth_devices) {
295 puts ("No ethernet found.\n");
Heiko Schocher8a8ec532007-07-13 09:54:17 +0200296 show_boot_progress (-64);
wdenkc6097192002-11-03 00:24:07 +0000297 } else {
298 struct eth_device *dev = eth_devices;
299 char *ethprime = getenv ("ethprime");
300
Heiko Schocher8a8ec532007-07-13 09:54:17 +0200301 show_boot_progress (65);
wdenkc6097192002-11-03 00:24:07 +0000302 do {
303 if (eth_number)
304 puts (", ");
305
306 printf("%s", dev->name);
307
308 if (ethprime && strcmp (dev->name, ethprime) == 0) {
309 eth_current = dev;
310 puts (" [PRIME]");
311 }
312
313 sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number);
314 tmp = getenv (enetvar);
315
316 for (i=0; i<6; i++) {
317 env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
318 if (tmp)
319 tmp = (*end) ? end+1 : end;
320 }
321
322 if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
323 if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
324 memcmp(dev->enetaddr, env_enetaddr, 6))
325 {
wdenk63a10be2004-05-08 20:33:20 +0000326 printf ("\nWarning: %s MAC addresses don't match:\n",
327 dev->name);
328 printf ("Address in SROM is "
wdenkc6097192002-11-03 00:24:07 +0000329 "%02X:%02X:%02X:%02X:%02X:%02X\n",
330 dev->enetaddr[0], dev->enetaddr[1],
331 dev->enetaddr[2], dev->enetaddr[3],
332 dev->enetaddr[4], dev->enetaddr[5]);
wdenk63a10be2004-05-08 20:33:20 +0000333 printf ("Address in environment is "
wdenkc6097192002-11-03 00:24:07 +0000334 "%02X:%02X:%02X:%02X:%02X:%02X\n",
335 env_enetaddr[0], env_enetaddr[1],
336 env_enetaddr[2], env_enetaddr[3],
337 env_enetaddr[4], env_enetaddr[5]);
338 }
339
340 memcpy(dev->enetaddr, env_enetaddr, 6);
341 }
342
343 eth_number++;
344 dev = dev->next;
345 } while(dev != eth_devices);
346
wdenk145d2c12004-04-15 21:48:45 +0000347#ifdef CONFIG_NET_MULTI
348 /* update current ethernet name */
349 if (eth_current) {
350 char *act = getenv("ethact");
351 if (act == NULL || strcmp(act, eth_current->name) != 0)
352 setenv("ethact", eth_current->name);
353 } else
354 setenv("ethact", NULL);
355#endif
356
wdenkc6097192002-11-03 00:24:07 +0000357 putc ('\n');
358 }
359
360 return eth_number;
361}
362
363void eth_set_enetaddr(int num, char *addr) {
364 struct eth_device *dev;
365 unsigned char enetaddr[6];
366 char *end;
367 int i;
368
wdenk1ebf41e2004-01-02 14:00:00 +0000369 debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr);
370
wdenkc6097192002-11-03 00:24:07 +0000371 if (!eth_devices)
372 return;
373
374 for (i=0; i<6; i++) {
375 enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0;
376 if (addr)
377 addr = (*end) ? end+1 : end;
378 }
379
380 dev = eth_devices;
381 while(num-- > 0) {
382 dev = dev->next;
383
384 if (dev == eth_devices)
385 return;
386 }
387
wdenk1ebf41e2004-01-02 14:00:00 +0000388 debug ( "Setting new HW address on %s\n"
389 "New Address is %02X:%02X:%02X:%02X:%02X:%02X\n",
390 dev->name,
Wolfgang Denkb6ea6302005-09-25 17:05:57 +0200391 enetaddr[0], enetaddr[1],
392 enetaddr[2], enetaddr[3],
393 enetaddr[4], enetaddr[5]);
wdenkc6097192002-11-03 00:24:07 +0000394
395 memcpy(dev->enetaddr, enetaddr, 6);
396}
David Updegraff7280da72007-06-11 10:41:07 -0500397#ifdef CONFIG_MCAST_TFTP
398/* Multicast.
399 * mcast_addr: multicast ipaddr from which multicast Mac is made
Wolfgang Denk627f5c32007-08-14 09:47:27 +0200400 * join: 1=join, 0=leave.
David Updegraff7280da72007-06-11 10:41:07 -0500401 */
402int eth_mcast_join( IPaddr_t mcast_ip, u8 join)
403{
404 u8 mcast_mac[6];
Wolfgang Denk627f5c32007-08-14 09:47:27 +0200405 if (!eth_current || !eth_current->mcast)
David Updegraff7280da72007-06-11 10:41:07 -0500406 return -1;
407 mcast_mac[5] = htonl(mcast_ip) & 0xff;
408 mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff;
409 mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f;
410 mcast_mac[2] = 0x5e;
411 mcast_mac[1] = 0x0;
412 mcast_mac[0] = 0x1;
413 return eth_current->mcast(eth_current, mcast_mac, join);
414}
415
Wolfgang Denk627f5c32007-08-14 09:47:27 +0200416/* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
417 * and this is the ethernet-crc method needed for TSEC -- and perhaps
David Updegraff7280da72007-06-11 10:41:07 -0500418 * some other adapter -- hash tables
419 */
420#define CRCPOLY_LE 0xedb88320
421u32 ether_crc (size_t len, unsigned char const *p)
422{
423 int i;
424 u32 crc;
425 crc = ~0;
426 while (len--) {
427 crc ^= *p++;
428 for (i = 0; i < 8; i++)
429 crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
430 }
431 /* an reverse the bits, cuz of way they arrive -- last-first */
432 crc = (crc >> 16) | (crc << 16);
433 crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00);
434 crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0);
435 crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc);
436 crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa);
437 return crc;
438}
wdenkc6097192002-11-03 00:24:07 +0000439
David Updegraff7280da72007-06-11 10:41:07 -0500440#endif
441
wdenkc6097192002-11-03 00:24:07 +0000442
443int eth_init(bd_t *bis)
444{
445 struct eth_device* old_current;
446
Stefan Roese11da2be2008-03-04 17:40:41 +0100447 if (!eth_current) {
448 puts ("No ethernet found.\n");
Upakul Barkakatyaed33582007-11-29 12:16:13 +0530449 return -1;
Stefan Roese11da2be2008-03-04 17:40:41 +0100450 }
wdenkc6097192002-11-03 00:24:07 +0000451
452 old_current = eth_current;
453 do {
wdenk1ebf41e2004-01-02 14:00:00 +0000454 debug ("Trying %s\n", eth_current->name);
wdenkc6097192002-11-03 00:24:07 +0000455
Ben Warrende9fcb52008-01-09 18:15:53 -0500456 if (eth_current->init(eth_current,bis) >= 0) {
wdenkc6097192002-11-03 00:24:07 +0000457 eth_current->state = ETH_STATE_ACTIVE;
458
Upakul Barkakatyaed33582007-11-29 12:16:13 +0530459 return 0;
wdenkc6097192002-11-03 00:24:07 +0000460 }
wdenk1ebf41e2004-01-02 14:00:00 +0000461 debug ("FAIL\n");
wdenkc6097192002-11-03 00:24:07 +0000462
463 eth_try_another(0);
464 } while (old_current != eth_current);
465
Upakul Barkakatyaed33582007-11-29 12:16:13 +0530466 return -1;
wdenkc6097192002-11-03 00:24:07 +0000467}
468
469void eth_halt(void)
470{
471 if (!eth_current)
472 return;
473
474 eth_current->halt(eth_current);
475
476 eth_current->state = ETH_STATE_PASSIVE;
477}
478
479int eth_send(volatile void *packet, int length)
480{
481 if (!eth_current)
482 return -1;
483
484 return eth_current->send(eth_current, packet, length);
485}
486
487int eth_rx(void)
488{
489 if (!eth_current)
490 return -1;
491
492 return eth_current->recv(eth_current);
493}
Rafal Jaworowski1f2c9a42007-12-27 18:19:02 +0100494
495#ifdef CONFIG_API
496static void eth_save_packet(volatile void *packet, int length)
497{
498 volatile char *p = packet;
499 int i;
500
501 if ((eth_rcv_last+1) % PKTBUFSRX == eth_rcv_current)
502 return;
503
504 if (PKTSIZE < length)
505 return;
506
507 for (i = 0; i < length; i++)
508 eth_rcv_bufs[eth_rcv_last].data[i] = p[i];
509
510 eth_rcv_bufs[eth_rcv_last].length = length;
511 eth_rcv_last = (eth_rcv_last + 1) % PKTBUFSRX;
512}
513
514int eth_receive(volatile void *packet, int length)
515{
516 volatile char *p = packet;
517 void *pp = push_packet;
518 int i;
519
520 if (eth_rcv_current == eth_rcv_last) {
521 push_packet = eth_save_packet;
522 eth_rx();
523 push_packet = pp;
524
525 if (eth_rcv_current == eth_rcv_last)
526 return -1;
527 }
528
529 if (length < eth_rcv_bufs[eth_rcv_current].length)
530 return -1;
531
532 length = eth_rcv_bufs[eth_rcv_current].length;
533
534 for (i = 0; i < length; i++)
535 p[i] = eth_rcv_bufs[eth_rcv_current].data[i];
536
537 eth_rcv_current = (eth_rcv_current + 1) % PKTBUFSRX;
538 return length;
539}
540#endif /* CONFIG_API */
wdenkc6097192002-11-03 00:24:07 +0000541
542void eth_try_another(int first_restart)
543{
544 static struct eth_device *first_failed = NULL;
Matthias Fuchs204f0ec2008-01-17 07:45:05 +0100545 char *ethrotate;
546
547 /*
548 * Do not rotate between network interfaces when
549 * 'ethrotate' variable is set to 'no'.
550 */
551 if (((ethrotate = getenv ("ethrotate")) != NULL) &&
552 (strcmp(ethrotate, "no") == 0))
553 return;
wdenkc6097192002-11-03 00:24:07 +0000554
555 if (!eth_current)
556 return;
557
wdenk63a10be2004-05-08 20:33:20 +0000558 if (first_restart) {
wdenkc6097192002-11-03 00:24:07 +0000559 first_failed = eth_current;
560 }
561
562 eth_current = eth_current->next;
563
wdenk145d2c12004-04-15 21:48:45 +0000564#ifdef CONFIG_NET_MULTI
565 /* update current ethernet name */
566 {
567 char *act = getenv("ethact");
568 if (act == NULL || strcmp(act, eth_current->name) != 0)
569 setenv("ethact", eth_current->name);
570 }
571#endif
572
wdenk63a10be2004-05-08 20:33:20 +0000573 if (first_failed == eth_current) {
wdenkc6097192002-11-03 00:24:07 +0000574 NetRestartWrap = 1;
575 }
576}
577
wdenk145d2c12004-04-15 21:48:45 +0000578#ifdef CONFIG_NET_MULTI
579void eth_set_current(void)
580{
581 char *act;
582 struct eth_device* old_current;
583
584 if (!eth_current) /* XXX no current */
585 return;
586
587 act = getenv("ethact");
588 if (act != NULL) {
589 old_current = eth_current;
590 do {
591 if (strcmp(eth_current->name, act) == 0)
592 return;
593 eth_current = eth_current->next;
594 } while (old_current != eth_current);
595 }
596
597 setenv("ethact", eth_current->name);
598}
599#endif
600
wdenkc6abb7e2003-11-17 21:14:37 +0000601char *eth_get_name (void)
602{
603 return (eth_current ? eth_current->name : "unknown");
604}
Jon Loeliger54f35c22007-07-09 17:45:14 -0500605#elif defined(CONFIG_CMD_NET) && !defined(CONFIG_NET_MULTI)
Marian Balakowiczaab8c492005-10-28 22:30:33 +0200606
607extern int at91rm9200_miiphy_initialize(bd_t *bis);
608extern int emac4xx_miiphy_initialize(bd_t *bis);
609extern int mcf52x2_miiphy_initialize(bd_t *bis);
610extern int ns7520_miiphy_initialize(bd_t *bis);
Sergey Kubushyne8f39122007-08-10 20:26:18 +0200611extern int dm644x_eth_miiphy_initialize(bd_t *bis);
612
Marian Balakowiczaab8c492005-10-28 22:30:33 +0200613
614int eth_initialize(bd_t *bis)
615{
Jon Loeliger54f35c22007-07-09 17:45:14 -0500616#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
Marian Balakowiczcbdd1c82005-11-30 18:06:04 +0100617 miiphy_init();
618#endif
619
Marian Balakowiczaab8c492005-10-28 22:30:33 +0200620#if defined(CONFIG_AT91RM9200)
621 at91rm9200_miiphy_initialize(bis);
622#endif
623#if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) \
624 && !defined(CONFIG_AP1000) && !defined(CONFIG_405)
625 emac4xx_miiphy_initialize(bis);
626#endif
627#if defined(CONFIG_MCF52x2)
628 mcf52x2_miiphy_initialize(bis);
629#endif
630#if defined(CONFIG_NETARM)
631 ns7520_miiphy_initialize(bis);
632#endif
Sergey Kubushyne8f39122007-08-10 20:26:18 +0200633#if defined(CONFIG_DRIVER_TI_EMAC)
634 dm644x_eth_miiphy_initialize(bis);
635#endif
Marian Balakowiczaab8c492005-10-28 22:30:33 +0200636 return 0;
637}
wdenkc6097192002-11-03 00:24:07 +0000638#endif