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affae2bf WD |
1 | /* |
2 | * MPC8260 FCC Fast Ethernet | |
3 | * | |
4 | * Copyright (c) 2000 MontaVista Software, Inc. Dan Malek (dmalek@jlc.net) | |
5 | * | |
6 | * (C) Copyright 2000 Sysgo Real-Time Solutions, GmbH <www.elinos.com> | |
7 | * Marius Groeger <mgroeger@sysgo.de> | |
8 | * | |
9 | * See file CREDITS for list of people who contributed to this | |
10 | * project. | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or | |
13 | * modify it under the terms of the GNU General Public License as | |
14 | * published by the Free Software Foundation; either version 2 of | |
15 | * the License, or (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
25 | * MA 02111-1307 USA | |
26 | */ | |
27 | ||
28 | /* | |
29 | * MPC8260 FCC Fast Ethernet | |
30 | * Basic ET HW initialization and packet RX/TX routines | |
31 | * | |
32 | * This code will not perform the IO port configuration. This should be | |
33 | * done in the iop_conf_t structure specific for the board. | |
34 | * | |
35 | * TODO: | |
36 | * add a PHY driver to do the negotiation | |
37 | * reflect negotiation results in FPSMR | |
38 | * look for ways to configure the board specific stuff elsewhere, eg. | |
39 | * config_xxx.h or the board directory | |
40 | */ | |
41 | ||
42 | #include <common.h> | |
aacf9a49 | 43 | #include <malloc.h> |
affae2bf WD |
44 | #include <asm/cpm_8260.h> |
45 | #include <mpc8260.h> | |
affae2bf WD |
46 | #include <command.h> |
47 | #include <config.h> | |
aacf9a49 | 48 | #include <net.h> |
affae2bf | 49 | |
aacf9a49 WD |
50 | #if defined(CONFIG_ETHER_ON_FCC) && (CONFIG_COMMANDS & CFG_CMD_NET) && \ |
51 | defined(CONFIG_NET_MULTI) | |
affae2bf | 52 | |
aacf9a49 WD |
53 | static struct ether_fcc_info_s |
54 | { | |
55 | int ether_index; | |
56 | int proff_enet; | |
57 | ulong cpm_cr_enet_sblock; | |
58 | ulong cpm_cr_enet_page; | |
59 | ulong cmxfcr_mask; | |
60 | ulong cmxfcr_value; | |
61 | } | |
62 | ether_fcc_info[] = | |
63 | { | |
64 | #ifdef CONFIG_ETHER_ON_FCC1 | |
65 | { | |
66 | 0, | |
67 | PROFF_FCC1, | |
68 | CPM_CR_FCC1_SBLOCK, | |
69 | CPM_CR_FCC1_PAGE, | |
70 | CFG_CMXFCR_MASK1, | |
71 | CFG_CMXFCR_VALUE1 | |
72 | }, | |
73 | #endif | |
affae2bf | 74 | |
aacf9a49 WD |
75 | #ifdef CONFIG_ETHER_ON_FCC2 |
76 | { | |
77 | 1, | |
78 | PROFF_FCC2, | |
79 | CPM_CR_FCC2_SBLOCK, | |
80 | CPM_CR_FCC2_PAGE, | |
81 | CFG_CMXFCR_MASK2, | |
82 | CFG_CMXFCR_VALUE2 | |
83 | }, | |
84 | #endif | |
affae2bf | 85 | |
aacf9a49 WD |
86 | #ifdef CONFIG_ETHER_ON_FCC3 |
87 | { | |
88 | 2, | |
89 | PROFF_FCC3, | |
90 | CPM_CR_FCC3_SBLOCK, | |
91 | CPM_CR_FCC3_PAGE, | |
92 | CFG_CMXFCR_MASK3, | |
93 | CFG_CMXFCR_VALUE3 | |
94 | }, | |
affae2bf | 95 | #endif |
aacf9a49 WD |
96 | }; |
97 | ||
affae2bf WD |
98 | /*---------------------------------------------------------------------*/ |
99 | ||
100 | /* Maximum input DMA size. Must be a should(?) be a multiple of 4. */ | |
101 | #define PKT_MAXDMA_SIZE 1520 | |
102 | ||
103 | /* The FCC stores dest/src/type, data, and checksum for receive packets. */ | |
104 | #define PKT_MAXBUF_SIZE 1518 | |
105 | #define PKT_MINBUF_SIZE 64 | |
106 | ||
107 | /* Maximum input buffer size. Must be a multiple of 32. */ | |
108 | #define PKT_MAXBLR_SIZE 1536 | |
109 | ||
110 | #define TOUT_LOOP 1000000 | |
111 | ||
112 | #define TX_BUF_CNT 2 | |
113 | #ifdef __GNUC__ | |
114 | static char txbuf[TX_BUF_CNT][PKT_MAXBLR_SIZE] __attribute__ ((aligned(8))); | |
115 | #else | |
116 | #error "txbuf must be 64-bit aligned" | |
117 | #endif | |
118 | ||
119 | static uint rxIdx; /* index of the current RX buffer */ | |
120 | static uint txIdx; /* index of the current TX buffer */ | |
121 | ||
122 | /* | |
123 | * FCC Ethernet Tx and Rx buffer descriptors. | |
124 | * Provide for Double Buffering | |
125 | * Note: PKTBUFSRX is defined in net.h | |
126 | */ | |
127 | ||
128 | typedef volatile struct rtxbd { | |
129 | cbd_t rxbd[PKTBUFSRX]; | |
130 | cbd_t txbd[TX_BUF_CNT]; | |
131 | } RTXBD; | |
132 | ||
133 | /* Good news: the FCC supports external BDs! */ | |
134 | #ifdef __GNUC__ | |
135 | static RTXBD rtx __attribute__ ((aligned(8))); | |
136 | #else | |
137 | #error "rtx must be 64-bit aligned" | |
138 | #endif | |
139 | ||
aacf9a49 | 140 | static int fec_send(struct eth_device* dev, volatile void *packet, int length) |
affae2bf WD |
141 | { |
142 | int i; | |
143 | int result = 0; | |
144 | ||
145 | if (length <= 0) { | |
146 | printf("fec: bad packet size: %d\n", length); | |
147 | goto out; | |
148 | } | |
149 | ||
150 | for(i=0; rtx.txbd[txIdx].cbd_sc & BD_ENET_TX_READY; i++) { | |
151 | if (i >= TOUT_LOOP) { | |
152 | printf("fec: tx buffer not ready\n"); | |
153 | goto out; | |
154 | } | |
155 | } | |
156 | ||
157 | rtx.txbd[txIdx].cbd_bufaddr = (uint)packet; | |
158 | rtx.txbd[txIdx].cbd_datlen = length; | |
159 | rtx.txbd[txIdx].cbd_sc |= (BD_ENET_TX_READY | BD_ENET_TX_LAST | | |
160 | BD_ENET_TX_WRAP); | |
161 | ||
162 | for(i=0; rtx.txbd[txIdx].cbd_sc & BD_ENET_TX_READY; i++) { | |
163 | if (i >= TOUT_LOOP) { | |
164 | printf("fec: tx error\n"); | |
165 | goto out; | |
166 | } | |
167 | } | |
168 | ||
169 | #ifdef ET_DEBUG | |
170 | printf("cycles: %d status: %04x\n", i, rtx.txbd[txIdx].cbd_sc); | |
171 | #endif | |
172 | ||
173 | /* return only status bits */ | |
174 | result = rtx.txbd[txIdx].cbd_sc & BD_ENET_TX_STATS; | |
175 | ||
176 | out: | |
177 | return result; | |
178 | } | |
179 | ||
aacf9a49 | 180 | static int fec_recv(struct eth_device* dev) |
affae2bf WD |
181 | { |
182 | int length; | |
183 | ||
184 | for (;;) | |
185 | { | |
186 | if (rtx.rxbd[rxIdx].cbd_sc & BD_ENET_RX_EMPTY) { | |
187 | length = -1; | |
188 | break; /* nothing received - leave for() loop */ | |
189 | } | |
190 | length = rtx.rxbd[rxIdx].cbd_datlen; | |
191 | ||
192 | if (rtx.rxbd[rxIdx].cbd_sc & 0x003f) { | |
193 | printf("fec: rx error %04x\n", rtx.rxbd[rxIdx].cbd_sc); | |
194 | } | |
195 | else { | |
196 | /* Pass the packet up to the protocol layers. */ | |
197 | NetReceive(NetRxPackets[rxIdx], length - 4); | |
198 | } | |
199 | ||
200 | ||
201 | /* Give the buffer back to the FCC. */ | |
202 | rtx.rxbd[rxIdx].cbd_datlen = 0; | |
203 | ||
204 | /* wrap around buffer index when necessary */ | |
205 | if ((rxIdx + 1) >= PKTBUFSRX) { | |
206 | rtx.rxbd[PKTBUFSRX - 1].cbd_sc = (BD_ENET_RX_WRAP | BD_ENET_RX_EMPTY); | |
207 | rxIdx = 0; | |
208 | } | |
209 | else { | |
210 | rtx.rxbd[rxIdx].cbd_sc = BD_ENET_RX_EMPTY; | |
211 | rxIdx++; | |
212 | } | |
213 | } | |
214 | return length; | |
215 | } | |
216 | ||
217 | ||
aacf9a49 | 218 | static int fec_init(struct eth_device* dev, bd_t *bis) |
affae2bf | 219 | { |
aacf9a49 | 220 | struct ether_fcc_info_s * info = dev->priv; |
affae2bf WD |
221 | int i; |
222 | volatile immap_t *immr = (immap_t *)CFG_IMMR; | |
223 | volatile cpm8260_t *cp = &(immr->im_cpm); | |
224 | fcc_enet_t *pram_ptr; | |
225 | unsigned long mem_addr; | |
226 | ||
227 | #if 0 | |
228 | mii_discover_phy(); | |
229 | #endif | |
230 | ||
231 | /* 28.9 - (1-2): ioports have been set up already */ | |
232 | ||
233 | /* 28.9 - (3): connect FCC's tx and rx clocks */ | |
234 | immr->im_cpmux.cmx_uar = 0; | |
aacf9a49 WD |
235 | immr->im_cpmux.cmx_fcr = (immr->im_cpmux.cmx_fcr & ~info->cmxfcr_mask) | |
236 | info->cmxfcr_value; | |
affae2bf WD |
237 | |
238 | /* 28.9 - (4): GFMR: disable tx/rx, CCITT CRC, Mode Ethernet */ | |
aacf9a49 | 239 | immr->im_fcc[info->ether_index].fcc_gfmr = |
affae2bf WD |
240 | FCC_GFMR_MODE_ENET | FCC_GFMR_TCRC_32; |
241 | ||
242 | /* 28.9 - (5): FPSMR: enable full duplex, select CCITT CRC for Ethernet */ | |
aacf9a49 | 243 | immr->im_fcc[info->ether_index].fcc_fpsmr = CFG_FCC_PSMR | FCC_PSMR_ENCRC; |
affae2bf WD |
244 | |
245 | /* 28.9 - (6): FDSR: Ethernet Syn */ | |
aacf9a49 | 246 | immr->im_fcc[info->ether_index].fcc_fdsr = 0xD555; |
affae2bf WD |
247 | |
248 | /* reset indeces to current rx/tx bd (see eth_send()/eth_rx()) */ | |
249 | rxIdx = 0; | |
250 | txIdx = 0; | |
251 | ||
252 | /* Setup Receiver Buffer Descriptors */ | |
253 | for (i = 0; i < PKTBUFSRX; i++) | |
254 | { | |
255 | rtx.rxbd[i].cbd_sc = BD_ENET_RX_EMPTY; | |
256 | rtx.rxbd[i].cbd_datlen = 0; | |
257 | rtx.rxbd[i].cbd_bufaddr = (uint)NetRxPackets[i]; | |
258 | } | |
259 | rtx.rxbd[PKTBUFSRX - 1].cbd_sc |= BD_ENET_RX_WRAP; | |
260 | ||
261 | /* Setup Ethernet Transmitter Buffer Descriptors */ | |
262 | for (i = 0; i < TX_BUF_CNT; i++) | |
263 | { | |
264 | rtx.txbd[i].cbd_sc = (BD_ENET_TX_PAD | BD_ENET_TX_LAST | BD_ENET_TX_TC); | |
265 | rtx.txbd[i].cbd_datlen = 0; | |
266 | rtx.txbd[i].cbd_bufaddr = (uint)&txbuf[i][0]; | |
267 | } | |
268 | rtx.txbd[TX_BUF_CNT - 1].cbd_sc |= BD_ENET_TX_WRAP; | |
269 | ||
270 | /* 28.9 - (7): initialise parameter ram */ | |
aacf9a49 | 271 | pram_ptr = (fcc_enet_t *)&(immr->im_dprambase[info->proff_enet]); |
affae2bf WD |
272 | |
273 | /* clear whole structure to make sure all reserved fields are zero */ | |
274 | memset((void*)pram_ptr, 0, sizeof(fcc_enet_t)); | |
275 | ||
276 | /* | |
277 | * common Parameter RAM area | |
278 | * | |
279 | * Allocate space in the reserved FCC area of DPRAM for the | |
280 | * internal buffers. No one uses this space (yet), so we | |
281 | * can do this. Later, we will add resource management for | |
282 | * this area. | |
283 | */ | |
aacf9a49 | 284 | mem_addr = CPM_FCC_SPECIAL_BASE + ((info->ether_index) * 64); |
affae2bf WD |
285 | pram_ptr->fen_genfcc.fcc_riptr = mem_addr; |
286 | pram_ptr->fen_genfcc.fcc_tiptr = mem_addr+32; | |
287 | /* | |
288 | * Set maximum bytes per receive buffer. | |
289 | * It must be a multiple of 32. | |
290 | */ | |
291 | pram_ptr->fen_genfcc.fcc_mrblr = PKT_MAXBLR_SIZE; | |
292 | pram_ptr->fen_genfcc.fcc_rstate = (CPMFCR_GBL | CPMFCR_EB | | |
293 | CFG_CPMFCR_RAMTYPE) << 24; | |
294 | pram_ptr->fen_genfcc.fcc_rbase = (unsigned int)(&rtx.rxbd[rxIdx]); | |
295 | pram_ptr->fen_genfcc.fcc_tstate = (CPMFCR_GBL | CPMFCR_EB | | |
296 | CFG_CPMFCR_RAMTYPE) << 24; | |
297 | pram_ptr->fen_genfcc.fcc_tbase = (unsigned int)(&rtx.txbd[txIdx]); | |
298 | ||
299 | /* protocol-specific area */ | |
300 | pram_ptr->fen_cmask = 0xdebb20e3; /* CRC mask */ | |
301 | pram_ptr->fen_cpres = 0xffffffff; /* CRC preset */ | |
302 | pram_ptr->fen_retlim = 15; /* Retry limit threshold */ | |
303 | pram_ptr->fen_mflr = PKT_MAXBUF_SIZE; /* maximum frame length register */ | |
304 | /* | |
305 | * Set Ethernet station address. | |
306 | * | |
307 | * This is supplied in the board information structure, so we | |
308 | * copy that into the controller. | |
309 | * So, far we have only been given one Ethernet address. We make | |
310 | * it unique by setting a few bits in the upper byte of the | |
311 | * non-static part of the address. | |
312 | */ | |
aacf9a49 | 313 | #define ea eth_get_dev()->enetaddr |
affae2bf WD |
314 | pram_ptr->fen_paddrh = (ea[5] << 8) + ea[4]; |
315 | pram_ptr->fen_paddrm = (ea[3] << 8) + ea[2]; | |
316 | pram_ptr->fen_paddrl = (ea[1] << 8) + ea[0]; | |
317 | #undef ea | |
318 | pram_ptr->fen_minflr = PKT_MINBUF_SIZE; /* minimum frame length register */ | |
319 | /* pad pointer. use tiptr since we don't need a specific padding char */ | |
320 | pram_ptr->fen_padptr = pram_ptr->fen_genfcc.fcc_tiptr; | |
321 | pram_ptr->fen_maxd1 = PKT_MAXDMA_SIZE; /* maximum DMA1 length */ | |
322 | pram_ptr->fen_maxd2 = PKT_MAXDMA_SIZE; /* maximum DMA2 length */ | |
323 | pram_ptr->fen_rfthr = 1; | |
324 | pram_ptr->fen_rfcnt = 1; | |
325 | #if 0 | |
326 | printf("pram_ptr->fen_genfcc.fcc_rbase %08lx\n", | |
327 | pram_ptr->fen_genfcc.fcc_rbase); | |
328 | printf("pram_ptr->fen_genfcc.fcc_tbase %08lx\n", | |
329 | pram_ptr->fen_genfcc.fcc_tbase); | |
330 | #endif | |
331 | ||
332 | /* 28.9 - (8): clear out events in FCCE */ | |
aacf9a49 | 333 | immr->im_fcc[info->ether_index].fcc_fcce = ~0x0; |
affae2bf WD |
334 | |
335 | /* 28.9 - (9): FCCM: mask all events */ | |
aacf9a49 | 336 | immr->im_fcc[info->ether_index].fcc_fccm = 0; |
affae2bf WD |
337 | |
338 | /* 28.9 - (10-12): we don't use ethernet interrupts */ | |
339 | ||
340 | /* 28.9 - (13) | |
341 | * | |
342 | * Let's re-initialize the channel now. We have to do it later | |
343 | * than the manual describes because we have just now finished | |
344 | * the BD initialization. | |
345 | */ | |
aacf9a49 WD |
346 | cp->cp_cpcr = mk_cr_cmd(info->cpm_cr_enet_page, |
347 | info->cpm_cr_enet_sblock, | |
affae2bf WD |
348 | 0x0c, |
349 | CPM_CR_INIT_TRX) | CPM_CR_FLG; | |
350 | do { | |
351 | __asm__ __volatile__ ("eieio"); | |
352 | } while (cp->cp_cpcr & CPM_CR_FLG); | |
353 | ||
354 | /* 28.9 - (14): enable tx/rx in gfmr */ | |
aacf9a49 | 355 | immr->im_fcc[info->ether_index].fcc_gfmr |= FCC_GFMR_ENT | FCC_GFMR_ENR; |
affae2bf WD |
356 | |
357 | return 1; | |
358 | } | |
359 | ||
aacf9a49 | 360 | static void fec_halt(struct eth_device* dev) |
affae2bf | 361 | { |
aacf9a49 | 362 | struct ether_fcc_info_s * info = dev->priv; |
affae2bf WD |
363 | volatile immap_t *immr = (immap_t *)CFG_IMMR; |
364 | ||
365 | /* write GFMR: disable tx/rx */ | |
aacf9a49 | 366 | immr->im_fcc[info->ether_index].fcc_gfmr &= |
affae2bf WD |
367 | ~(FCC_GFMR_ENT | FCC_GFMR_ENR); |
368 | } | |
369 | ||
aacf9a49 WD |
370 | int fec_initialize(bd_t *bis) |
371 | { | |
372 | struct eth_device* dev; | |
373 | int i; | |
374 | ||
375 | for (i = 0; i < sizeof(ether_fcc_info) / sizeof(ether_fcc_info[0]); i++) | |
376 | { | |
377 | dev = (struct eth_device*) malloc(sizeof *dev); | |
378 | memset(dev, 0, sizeof *dev); | |
379 | ||
380 | sprintf(dev->name, "FCC%d ETHERNET", | |
381 | ether_fcc_info[i].ether_index + 1); | |
382 | dev->priv = ðer_fcc_info[i]; | |
383 | dev->init = fec_init; | |
384 | dev->halt = fec_halt; | |
385 | dev->send = fec_send; | |
386 | dev->recv = fec_recv; | |
387 | ||
388 | eth_register(dev); | |
389 | } | |
390 | ||
391 | return 1; | |
392 | } | |
393 | ||
6dd652fa WD |
394 | #ifdef CONFIG_ETHER_LOOPBACK_TEST |
395 | ||
396 | #define ELBT_BUFSZ 1024 /* must be multiple of 32 */ | |
397 | ||
398 | #define ELBT_CRCSZ 4 | |
399 | ||
400 | #define ELBT_NRXBD 4 /* must be at least 2 */ | |
401 | #define ELBT_NTXBD 4 | |
402 | ||
403 | #define ELBT_MAXRXERR 32 | |
404 | #define ELBT_MAXTXERR 32 | |
405 | ||
406 | #define ELBT_CLSWAIT 1000 /* msec to wait for further input frames */ | |
407 | ||
408 | typedef | |
409 | struct { | |
410 | uint off; | |
411 | char *lab; | |
412 | } | |
413 | elbt_prdesc; | |
414 | ||
415 | typedef | |
416 | struct { | |
417 | uint _l, _f, m, bc, mc, lg, no, sh, cr, ov, cl; | |
418 | uint badsrc, badtyp, badlen, badbit; | |
419 | } | |
420 | elbt_rxeacc; | |
421 | ||
422 | static elbt_prdesc rxeacc_descs[] = { | |
423 | { offsetof(elbt_rxeacc, _l), "Not Last in Frame" }, | |
424 | { offsetof(elbt_rxeacc, _f), "Not First in Frame" }, | |
425 | { offsetof(elbt_rxeacc, m), "Address Miss" }, | |
426 | { offsetof(elbt_rxeacc, bc), "Broadcast Address" }, | |
427 | { offsetof(elbt_rxeacc, mc), "Multicast Address" }, | |
428 | { offsetof(elbt_rxeacc, lg), "Frame Length Violation"}, | |
429 | { offsetof(elbt_rxeacc, no), "Non-Octet Alignment" }, | |
430 | { offsetof(elbt_rxeacc, sh), "Short Frame" }, | |
431 | { offsetof(elbt_rxeacc, cr), "CRC Error" }, | |
432 | { offsetof(elbt_rxeacc, ov), "Overrun" }, | |
433 | { offsetof(elbt_rxeacc, cl), "Collision" }, | |
434 | { offsetof(elbt_rxeacc, badsrc), "Bad Src Address" }, | |
435 | { offsetof(elbt_rxeacc, badtyp), "Bad Frame Type" }, | |
436 | { offsetof(elbt_rxeacc, badlen), "Bad Frame Length" }, | |
437 | { offsetof(elbt_rxeacc, badbit), "Data Compare Errors" }, | |
438 | }; | |
439 | static int rxeacc_ndesc = sizeof (rxeacc_descs) / sizeof (rxeacc_descs[0]); | |
440 | ||
441 | typedef | |
442 | struct { | |
443 | uint def, hb, lc, rl, rc, un, csl; | |
444 | } | |
445 | elbt_txeacc; | |
446 | ||
447 | static elbt_prdesc txeacc_descs[] = { | |
448 | { offsetof(elbt_txeacc, def), "Defer Indication" }, | |
449 | { offsetof(elbt_txeacc, hb), "Heartbeat" }, | |
450 | { offsetof(elbt_txeacc, lc), "Late Collision" }, | |
451 | { offsetof(elbt_txeacc, rl), "Retransmission Limit" }, | |
452 | { offsetof(elbt_txeacc, rc), "Retry Count" }, | |
453 | { offsetof(elbt_txeacc, un), "Underrun" }, | |
454 | { offsetof(elbt_txeacc, csl), "Carrier Sense Lost" }, | |
455 | }; | |
456 | static int txeacc_ndesc = sizeof (txeacc_descs) / sizeof (txeacc_descs[0]); | |
457 | ||
458 | typedef | |
459 | struct { | |
460 | uchar rxbufs[ELBT_NRXBD][ELBT_BUFSZ]; | |
461 | uchar txbufs[ELBT_NTXBD][ELBT_BUFSZ]; | |
462 | cbd_t rxbd[ELBT_NRXBD]; | |
463 | cbd_t txbd[ELBT_NTXBD]; | |
464 | enum { Idle, Running, Closing, Closed } state; | |
465 | int proff, page, sblock; | |
466 | uint clstime, nsent, ntxerr, nrcvd, nrxerr; | |
467 | ushort rxerrs[ELBT_MAXRXERR], txerrs[ELBT_MAXTXERR]; | |
468 | elbt_rxeacc rxeacc; | |
469 | elbt_txeacc txeacc; | |
470 | } __attribute__ ((aligned(8))) | |
471 | elbt_chan; | |
472 | ||
473 | static uchar patbytes[ELBT_NTXBD] = { | |
474 | 0xff, 0xaa, 0x55, 0x00 | |
475 | }; | |
476 | static uint patwords[ELBT_NTXBD] = { | |
477 | 0xffffffff, 0xaaaaaaaa, 0x55555555, 0x00000000 | |
478 | }; | |
479 | ||
480 | #ifdef __GNUC__ | |
481 | static elbt_chan elbt_chans[3] __attribute__ ((aligned(8))); | |
482 | #else | |
483 | #error "elbt_chans must be 64-bit aligned" | |
484 | #endif | |
485 | ||
486 | #define CPM_CR_GRACEFUL_STOP_TX ((ushort)0x0005) | |
487 | ||
488 | static elbt_prdesc epram_descs[] = { | |
489 | { offsetof(fcc_enet_t, fen_crcec), "CRC Errors" }, | |
490 | { offsetof(fcc_enet_t, fen_alec), "Alignment Errors" }, | |
491 | { offsetof(fcc_enet_t, fen_disfc), "Discarded Frames" }, | |
492 | { offsetof(fcc_enet_t, fen_octc), "Octets" }, | |
493 | { offsetof(fcc_enet_t, fen_colc), "Collisions" }, | |
494 | { offsetof(fcc_enet_t, fen_broc), "Broadcast Frames" }, | |
495 | { offsetof(fcc_enet_t, fen_mulc), "Multicast Frames" }, | |
496 | { offsetof(fcc_enet_t, fen_uspc), "Undersize Frames" }, | |
497 | { offsetof(fcc_enet_t, fen_frgc), "Fragments" }, | |
498 | { offsetof(fcc_enet_t, fen_ospc), "Oversize Frames" }, | |
499 | { offsetof(fcc_enet_t, fen_jbrc), "Jabbers" }, | |
500 | { offsetof(fcc_enet_t, fen_p64c), "64 Octet Frames" }, | |
501 | { offsetof(fcc_enet_t, fen_p65c), "65-127 Octet Frames" }, | |
502 | { offsetof(fcc_enet_t, fen_p128c), "128-255 Octet Frames" }, | |
503 | { offsetof(fcc_enet_t, fen_p256c), "256-511 Octet Frames" }, | |
504 | { offsetof(fcc_enet_t, fen_p512c), "512-1023 Octet Frames" }, | |
505 | { offsetof(fcc_enet_t, fen_p1024c), "1024-1518 Octet Frames"}, | |
506 | }; | |
507 | static int epram_ndesc = sizeof (epram_descs) / sizeof (epram_descs[0]); | |
508 | ||
509 | /* | |
510 | * given an elbt_prdesc array and an array of base addresses, print | |
511 | * each prdesc down the screen with the values fetched from each | |
512 | * base address across the screen | |
513 | */ | |
514 | static void | |
515 | print_desc (elbt_prdesc descs[], int ndesc, uchar *bases[], int nbase) | |
516 | { | |
517 | elbt_prdesc *dp = descs, *edp = dp + ndesc; | |
518 | int i; | |
519 | ||
520 | printf ("%32s", ""); | |
521 | ||
522 | for (i = 0; i < nbase; i++) | |
523 | printf (" Channel %d", i); | |
524 | ||
525 | puts ("\n"); | |
526 | ||
527 | while (dp < edp) { | |
528 | ||
529 | printf ("%-32s", dp->lab); | |
530 | ||
531 | for (i = 0; i < nbase; i++) { | |
532 | uint val = *(uint *)(bases[i] + dp->off); | |
533 | ||
534 | printf (" %10u", val); | |
535 | } | |
536 | ||
537 | puts ("\n"); | |
538 | ||
539 | dp++; | |
540 | } | |
541 | } | |
542 | ||
543 | /* | |
544 | * return number of bits that are set in a value; value contains | |
545 | * nbits (right-justified) bits. | |
546 | */ | |
547 | static uint __inline__ | |
548 | nbs (uint value, uint nbits) | |
549 | { | |
550 | uint cnt = 0; | |
551 | #if 1 | |
552 | uint pos = sizeof (uint) * 8; | |
553 | ||
554 | __asm__ __volatile__ ("\ | |
555 | mtctr %2\n\ | |
556 | 1: rlwnm. %2,%1,%4,31,31\n\ | |
557 | beq 2f\n\ | |
558 | addi %0,%0,1\n\ | |
559 | 2: subi %4,%4,1\n\ | |
560 | bdnz 1b" | |
561 | : "=r"(cnt) | |
562 | : "r"(value), "r"(nbits), "r"(cnt), "r"(pos) | |
563 | : "ctr", "cc" ); | |
564 | #else | |
565 | uint mask = 1; | |
566 | ||
567 | do { | |
568 | if (value & mask) | |
569 | cnt++; | |
570 | mask <<= 1; | |
571 | } while (--nbits); | |
572 | #endif | |
573 | ||
574 | return (cnt); | |
575 | } | |
576 | ||
577 | static ulong | |
578 | badbits (uchar *bp, int n, ulong pat) | |
579 | { | |
580 | ulong *lp, cnt = 0; | |
581 | int nl; | |
582 | ||
583 | while (n > 0 && ((ulong)bp & (sizeof (ulong) - 1)) != 0) { | |
584 | uchar diff; | |
585 | ||
586 | diff = *bp++ ^ (uchar)pat; | |
587 | ||
588 | if (diff) | |
589 | cnt += nbs ((ulong)diff, 8); | |
590 | ||
591 | n--; | |
592 | } | |
593 | ||
594 | lp = (ulong *)bp; | |
595 | nl = n / sizeof (ulong); | |
596 | n -= nl * sizeof (ulong); | |
597 | ||
598 | while (nl > 0) { | |
599 | ulong diff; | |
600 | ||
601 | diff = *lp++ ^ pat; | |
602 | ||
603 | if (diff) | |
604 | cnt += nbs (diff, 32); | |
605 | ||
606 | nl--; | |
607 | } | |
608 | ||
609 | bp = (uchar *)lp; | |
610 | ||
611 | while (n > 0) { | |
612 | uchar diff; | |
613 | ||
614 | diff = *bp++ ^ (uchar)pat; | |
615 | ||
616 | if (diff) | |
617 | cnt += nbs ((ulong)diff, 8); | |
618 | ||
619 | n--; | |
620 | } | |
621 | ||
622 | return (cnt); | |
623 | } | |
624 | ||
625 | static inline unsigned short | |
626 | swap16 (unsigned short x) | |
627 | { | |
628 | return (((x & 0xff) << 8) | ((x & 0xff00) >> 8)); | |
629 | } | |
630 | ||
631 | void | |
632 | eth_loopback_test (void) | |
633 | { | |
634 | DECLARE_GLOBAL_DATA_PTR; | |
635 | ||
636 | volatile immap_t *immr = (immap_t *)CFG_IMMR; | |
637 | volatile cpm8260_t *cp = &(immr->im_cpm); | |
638 | int c, nclosed; | |
639 | ulong runtime, nmsec; | |
640 | uchar *bases[3]; | |
641 | ||
642 | puts ("FCC Ethernet External loopback test\n"); | |
643 | ||
644 | memcpy (NetOurEther, gd->bd->bi_enetaddr, 6); | |
645 | ||
646 | /* | |
647 | * global initialisations for all FCC channels | |
648 | */ | |
649 | ||
650 | /* 28.9 - (1-2): ioports have been set up already */ | |
651 | ||
652 | #if defined(CONFIG_HYMOD) | |
653 | /* | |
654 | * Attention: this is board-specific | |
655 | * - FCC1 Rx-CLK is CLK10 | |
656 | * - FCC1 Tx-CLK is CLK11 | |
657 | * - FCC2 Rx-CLK is CLK13 | |
658 | * - FCC2 Tx-CLK is CLK14 | |
659 | * - FCC3 Rx-CLK is CLK15 | |
660 | * - FCC3 Tx-CLK is CLK16 | |
661 | */ | |
662 | ||
663 | /* 28.9 - (3): connect FCC's tx and rx clocks */ | |
664 | immr->im_cpmux.cmx_uar = 0; | |
665 | immr->im_cpmux.cmx_fcr = CMXFCR_RF1CS_CLK10|CMXFCR_TF1CS_CLK11|\ | |
666 | CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14|\ | |
667 | CMXFCR_RF3CS_CLK15|CMXFCR_TF3CS_CLK16; | |
668 | #else | |
669 | #error "eth_loopback_test not supported on your board" | |
670 | #endif | |
671 | ||
672 | puts ("Initialise FCC channels:"); | |
673 | ||
674 | for (c = 0; c < 3; c++) { | |
675 | elbt_chan *ecp = &elbt_chans[c]; | |
676 | volatile fcc_t *fcp = &immr->im_fcc[c]; | |
677 | volatile fcc_enet_t *fpp; | |
678 | int i; | |
679 | ulong addr; | |
680 | ||
681 | /* | |
682 | * initialise channel data | |
683 | */ | |
684 | ||
685 | printf (" %d", c); | |
686 | ||
687 | memset ((void *)ecp, 0, sizeof (*ecp)); | |
688 | ||
689 | ecp->state = Idle; | |
690 | ||
691 | switch (c) { | |
692 | ||
693 | case 0: /* FCC1 */ | |
694 | ecp->proff = PROFF_FCC1; | |
695 | ecp->page = CPM_CR_FCC1_PAGE; | |
696 | ecp->sblock = CPM_CR_FCC1_SBLOCK; | |
697 | break; | |
698 | ||
699 | case 1: /* FCC2 */ | |
700 | ecp->proff = PROFF_FCC2; | |
701 | ecp->page = CPM_CR_FCC2_PAGE; | |
702 | ecp->sblock = CPM_CR_FCC2_SBLOCK; | |
703 | break; | |
704 | ||
705 | case 2: /* FCC3 */ | |
706 | ecp->proff = PROFF_FCC3; | |
707 | ecp->page = CPM_CR_FCC3_PAGE; | |
708 | ecp->sblock = CPM_CR_FCC3_SBLOCK; | |
709 | break; | |
710 | } | |
711 | ||
712 | /* | |
713 | * set up tx buffers and bds | |
714 | */ | |
715 | ||
716 | for (i = 0; i < ELBT_NTXBD; i++) { | |
717 | cbd_t *bdp = &ecp->txbd[i]; | |
718 | uchar *bp = &ecp->txbufs[i][0]; | |
719 | ||
720 | bdp->cbd_bufaddr = (uint)bp; | |
721 | /* room for crc */ | |
722 | bdp->cbd_datlen = ELBT_BUFSZ - ELBT_CRCSZ; | |
723 | bdp->cbd_sc = BD_ENET_TX_READY | BD_ENET_TX_PAD | \ | |
724 | BD_ENET_TX_LAST | BD_ENET_TX_TC; | |
725 | ||
726 | memset ((void *)bp, patbytes[i], ELBT_BUFSZ); | |
727 | NetSetEther (bp, NetBcastAddr, 0x8000); | |
728 | } | |
729 | ecp->txbd[ELBT_NTXBD - 1].cbd_sc |= BD_ENET_TX_WRAP; | |
730 | ||
731 | /* | |
732 | * set up rx buffers and bds | |
733 | */ | |
734 | ||
735 | for (i = 0; i < ELBT_NRXBD; i++) { | |
736 | cbd_t *bdp = &ecp->rxbd[i]; | |
737 | uchar *bp = &ecp->rxbufs[i][0]; | |
738 | ||
739 | bdp->cbd_bufaddr = (uint)bp; | |
740 | bdp->cbd_datlen = 0; | |
741 | bdp->cbd_sc = BD_ENET_RX_EMPTY; | |
742 | ||
743 | memset ((void *)bp, 0, ELBT_BUFSZ); | |
744 | } | |
745 | ecp->rxbd[ELBT_NRXBD - 1].cbd_sc |= BD_ENET_RX_WRAP; | |
746 | ||
747 | /* | |
748 | * set up the FCC channel hardware | |
749 | */ | |
750 | ||
751 | /* 28.9 - (4): GFMR: disable tx/rx, CCITT CRC, Mode Ethernet */ | |
752 | fcp->fcc_gfmr = FCC_GFMR_MODE_ENET | FCC_GFMR_TCRC_32; | |
753 | ||
754 | /* 28.9 - (5): FPSMR: fd, enet CRC, Promis, RMON, Rx SHort */ | |
755 | fcp->fcc_fpsmr = FCC_PSMR_FDE | FCC_PSMR_LPB | \ | |
756 | FCC_PSMR_ENCRC | FCC_PSMR_PRO | \ | |
757 | FCC_PSMR_MON | FCC_PSMR_RSH; | |
758 | ||
759 | /* 28.9 - (6): FDSR: Ethernet Syn */ | |
760 | fcp->fcc_fdsr = 0xD555; | |
761 | ||
762 | /* 29.9 - (7): initialise parameter ram */ | |
763 | fpp = (fcc_enet_t *)&(immr->im_dprambase[ecp->proff]); | |
764 | ||
765 | /* clear whole struct to make sure all resv fields are zero */ | |
766 | memset ((void *)fpp, 0, sizeof (fcc_enet_t)); | |
767 | ||
768 | /* | |
769 | * common Parameter RAM area | |
770 | * | |
771 | * Allocate space in the reserved FCC area of DPRAM for the | |
772 | * internal buffers. No one uses this space (yet), so we | |
773 | * can do this. Later, we will add resource management for | |
774 | * this area. | |
775 | */ | |
776 | addr = CPM_FCC_SPECIAL_BASE + (c * 64); | |
777 | fpp->fen_genfcc.fcc_riptr = addr; | |
778 | fpp->fen_genfcc.fcc_tiptr = addr + 32; | |
779 | ||
780 | /* | |
781 | * Set maximum bytes per receive buffer. | |
782 | * It must be a multiple of 32. | |
783 | * buffers are in 60x bus memory. | |
784 | */ | |
785 | fpp->fen_genfcc.fcc_mrblr = PKT_MAXBLR_SIZE; | |
786 | fpp->fen_genfcc.fcc_rstate = (CPMFCR_GBL | CPMFCR_EB) << 24; | |
787 | fpp->fen_genfcc.fcc_rbase = (unsigned int)(&ecp->rxbd[0]); | |
788 | fpp->fen_genfcc.fcc_tstate = (CPMFCR_GBL | CPMFCR_EB) << 24; | |
789 | fpp->fen_genfcc.fcc_tbase = (unsigned int)(&ecp->txbd[0]); | |
790 | ||
791 | /* protocol-specific area */ | |
792 | fpp->fen_cmask = 0xdebb20e3; /* CRC mask */ | |
793 | fpp->fen_cpres = 0xffffffff; /* CRC preset */ | |
794 | fpp->fen_retlim = 15; /* Retry limit threshold */ | |
795 | fpp->fen_mflr = PKT_MAXBUF_SIZE;/* max frame length register */ | |
796 | ||
797 | /* | |
798 | * Set Ethernet station address. | |
799 | * | |
800 | * This is supplied in the board information structure, so we | |
801 | * copy that into the controller. | |
802 | * So, far we have only been given one Ethernet address. We use | |
803 | * the same address for all channels | |
804 | */ | |
805 | #define ea gd->bd->bi_enetaddr | |
806 | fpp->fen_paddrh = (ea[5] << 8) + ea[4]; | |
807 | fpp->fen_paddrm = (ea[3] << 8) + ea[2]; | |
808 | fpp->fen_paddrl = (ea[1] << 8) + ea[0]; | |
809 | #undef ea | |
810 | ||
811 | fpp->fen_minflr = PKT_MINBUF_SIZE; /* min frame len register */ | |
812 | /* | |
813 | * pad pointer. use tiptr since we don't need | |
814 | * a specific padding char | |
815 | */ | |
816 | fpp->fen_padptr = fpp->fen_genfcc.fcc_tiptr; | |
817 | fpp->fen_maxd1 = PKT_MAXDMA_SIZE; /* max DMA1 length */ | |
818 | fpp->fen_maxd2 = PKT_MAXDMA_SIZE; /* max DMA2 length */ | |
819 | fpp->fen_rfthr = 1; | |
820 | fpp->fen_rfcnt = 1; | |
821 | ||
822 | /* 28.9 - (8): clear out events in FCCE */ | |
823 | fcp->fcc_fcce = ~0x0; | |
824 | ||
825 | /* 28.9 - (9): FCCM: mask all events */ | |
826 | fcp->fcc_fccm = 0; | |
827 | ||
828 | /* 28.9 - (10-12): we don't use ethernet interrupts */ | |
829 | ||
830 | /* 28.9 - (13) | |
831 | * | |
832 | * Let's re-initialize the channel now. We have to do it later | |
833 | * than the manual describes because we have just now finished | |
834 | * the BD initialization. | |
835 | */ | |
836 | cp->cp_cpcr = mk_cr_cmd (ecp->page, ecp->sblock, \ | |
837 | 0x0c, CPM_CR_INIT_TRX) | CPM_CR_FLG; | |
838 | do { | |
839 | __asm__ __volatile__ ("eieio"); | |
840 | } while (cp->cp_cpcr & CPM_CR_FLG); | |
841 | } | |
842 | ||
843 | puts (" done\nStarting test... (Ctrl-C to Finish)\n"); | |
844 | ||
845 | /* | |
846 | * Note: don't want serial output from here until the end of the | |
847 | * test - the delays would probably stuff things up. | |
848 | */ | |
849 | ||
850 | clear_ctrlc (); | |
851 | runtime = get_timer (0); | |
852 | ||
853 | do { | |
854 | nclosed = 0; | |
855 | ||
856 | for (c = 0; c < 3; c++) { | |
857 | volatile fcc_t *fcp = &immr->im_fcc[c]; | |
858 | elbt_chan *ecp = &elbt_chans[c]; | |
859 | int i; | |
860 | ||
861 | switch (ecp->state) { | |
862 | ||
863 | case Idle: | |
864 | /* | |
865 | * set the channel Running ... | |
866 | */ | |
867 | ||
868 | /* 28.9 - (14): enable tx/rx in gfmr */ | |
869 | fcp->fcc_gfmr |= FCC_GFMR_ENT | FCC_GFMR_ENR; | |
870 | ||
871 | ecp->state = Running; | |
872 | break; | |
873 | ||
874 | case Running: | |
875 | /* | |
876 | * (while Running only) check for | |
877 | * termination of the test | |
878 | */ | |
879 | ||
880 | (void)ctrlc (); | |
881 | ||
882 | if (had_ctrlc ()) { | |
883 | /* | |
884 | * initiate a "graceful stop transmit" | |
885 | * on the channel | |
886 | */ | |
887 | cp->cp_cpcr = mk_cr_cmd (ecp->page, \ | |
888 | ecp->sblock, 0x0c, \ | |
889 | CPM_CR_GRACEFUL_STOP_TX) | \ | |
890 | CPM_CR_FLG; | |
891 | do { | |
892 | __asm__ __volatile__ ("eieio"); | |
893 | } while (cp->cp_cpcr & CPM_CR_FLG); | |
894 | ||
895 | ecp->clstime = get_timer (0); | |
896 | ecp->state = Closing; | |
897 | } | |
898 | /* fall through ... */ | |
899 | ||
900 | case Closing: | |
901 | /* | |
902 | * (while Running or Closing) poll the channel: | |
903 | * - check for any non-READY tx buffers and | |
904 | * make them ready | |
905 | * - check for any non-EMPTY rx buffers and | |
906 | * check that they were received correctly, | |
907 | * adjust counters etc, then make empty | |
908 | */ | |
909 | ||
910 | for (i = 0; i < ELBT_NTXBD; i++) { | |
911 | cbd_t *bdp = &ecp->txbd[i]; | |
912 | ushort sc = bdp->cbd_sc; | |
913 | ||
914 | if ((sc & BD_ENET_TX_READY) != 0) | |
915 | continue; | |
916 | ||
917 | /* | |
918 | * this frame has finished | |
919 | * transmitting | |
920 | */ | |
921 | ecp->nsent++; | |
922 | ||
923 | if (sc & BD_ENET_TX_STATS) { | |
924 | ulong n; | |
925 | ||
926 | /* | |
927 | * we had an error on | |
928 | * the transmission | |
929 | */ | |
930 | n = ecp->ntxerr++; | |
931 | if (n < ELBT_MAXTXERR) | |
932 | ecp->txerrs[n] = sc; | |
933 | ||
934 | if (sc & BD_ENET_TX_DEF) | |
935 | ecp->txeacc.def++; | |
936 | if (sc & BD_ENET_TX_HB) | |
937 | ecp->txeacc.hb++; | |
938 | if (sc & BD_ENET_TX_LC) | |
939 | ecp->txeacc.lc++; | |
940 | if (sc & BD_ENET_TX_RL) | |
941 | ecp->txeacc.rl++; | |
942 | if (sc & BD_ENET_TX_RCMASK) | |
943 | ecp->txeacc.rc++; | |
944 | if (sc & BD_ENET_TX_UN) | |
945 | ecp->txeacc.un++; | |
946 | if (sc & BD_ENET_TX_CSL) | |
947 | ecp->txeacc.csl++; | |
948 | ||
949 | bdp->cbd_sc &= \ | |
950 | ~BD_ENET_TX_STATS; | |
951 | } | |
952 | ||
953 | if (ecp->state == Closing) | |
954 | ecp->clstime = get_timer (0); | |
955 | ||
956 | /* make it ready again */ | |
957 | bdp->cbd_sc |= BD_ENET_TX_READY; | |
958 | } | |
959 | ||
960 | for (i = 0; i < ELBT_NRXBD; i++) { | |
961 | cbd_t *bdp = &ecp->rxbd[i]; | |
962 | ushort sc = bdp->cbd_sc, mask; | |
963 | ||
964 | if ((sc & BD_ENET_RX_EMPTY) != 0) | |
965 | continue; | |
966 | ||
967 | /* we have a new frame in this buffer */ | |
968 | ecp->nrcvd++; | |
969 | ||
970 | mask = BD_ENET_RX_LAST|BD_ENET_RX_FIRST; | |
971 | if ((sc & mask) != mask) { | |
972 | /* somethings wrong here ... */ | |
973 | if (!(sc & BD_ENET_RX_LAST)) | |
974 | ecp->rxeacc._l++; | |
975 | if (!(sc & BD_ENET_RX_FIRST)) | |
976 | ecp->rxeacc._f++; | |
977 | } | |
978 | ||
979 | if (sc & BD_ENET_RX_STATS) { | |
980 | ulong n; | |
981 | ||
982 | /* | |
983 | * we had some sort of error | |
984 | * on the frame | |
985 | */ | |
986 | n = ecp->nrxerr++; | |
987 | if (n < ELBT_MAXRXERR) | |
988 | ecp->rxerrs[n] = sc; | |
989 | ||
990 | if (sc & BD_ENET_RX_MISS) | |
991 | ecp->rxeacc.m++; | |
992 | if (sc & BD_ENET_RX_BC) | |
993 | ecp->rxeacc.bc++; | |
994 | if (sc & BD_ENET_RX_MC) | |
995 | ecp->rxeacc.mc++; | |
996 | if (sc & BD_ENET_RX_LG) | |
997 | ecp->rxeacc.lg++; | |
998 | if (sc & BD_ENET_RX_NO) | |
999 | ecp->rxeacc.no++; | |
1000 | if (sc & BD_ENET_RX_SH) | |
1001 | ecp->rxeacc.sh++; | |
1002 | if (sc & BD_ENET_RX_CR) | |
1003 | ecp->rxeacc.cr++; | |
1004 | if (sc & BD_ENET_RX_OV) | |
1005 | ecp->rxeacc.ov++; | |
1006 | if (sc & BD_ENET_RX_CL) | |
1007 | ecp->rxeacc.cl++; | |
1008 | ||
1009 | bdp->cbd_sc &= \ | |
1010 | ~BD_ENET_RX_STATS; | |
1011 | } | |
1012 | else { | |
1013 | ushort datlen = bdp->cbd_datlen; | |
1014 | Ethernet_t *ehp; | |
1015 | ushort prot; | |
1016 | int ours, tb, n, nbytes; | |
1017 | ||
1018 | ehp = (Ethernet_t *) \ | |
1019 | &ecp->rxbufs[i][0]; | |
1020 | ||
1021 | ours = memcmp (ehp->et_src, \ | |
1022 | NetOurEther, 6); | |
1023 | ||
1024 | prot = swap16 (ehp->et_protlen); | |
1025 | tb = prot & 0x8000; | |
1026 | n = prot & 0x7fff; | |
1027 | ||
1028 | nbytes = ELBT_BUFSZ - \ | |
1029 | offsetof (Ethernet_t, \ | |
1030 | et_dsap) - \ | |
1031 | ELBT_CRCSZ; | |
1032 | ||
1033 | /* check the frame is correct */ | |
1034 | if (datlen != ELBT_BUFSZ) | |
1035 | ecp->rxeacc.badlen++; | |
1036 | else if (!ours) | |
1037 | ecp->rxeacc.badsrc++; | |
1038 | else if (!tb || n >= ELBT_NTXBD) | |
1039 | ecp->rxeacc.badtyp++; | |
1040 | else { | |
1041 | ulong patword = \ | |
1042 | patwords[n]; | |
1043 | uint nbb; | |
1044 | ||
1045 | nbb = badbits ( \ | |
1046 | &ehp->et_dsap, \ | |
1047 | nbytes, \ | |
1048 | patword); | |
1049 | ||
1050 | ecp->rxeacc.badbit += \ | |
1051 | nbb; | |
1052 | } | |
1053 | } | |
1054 | ||
1055 | if (ecp->state == Closing) | |
1056 | ecp->clstime = get_timer (0); | |
1057 | ||
1058 | /* make it empty again */ | |
1059 | bdp->cbd_sc |= BD_ENET_RX_EMPTY; | |
1060 | } | |
1061 | ||
1062 | if (ecp->state != Closing) | |
1063 | break; | |
1064 | ||
1065 | /* | |
1066 | * (while Closing) check to see if | |
1067 | * waited long enough | |
1068 | */ | |
1069 | ||
1070 | if (get_timer (ecp->clstime) >= ELBT_CLSWAIT) { | |
1071 | /* write GFMR: disable tx/rx */ | |
1072 | fcp->fcc_gfmr &= \ | |
1073 | ~(FCC_GFMR_ENT | FCC_GFMR_ENR); | |
1074 | ecp->state = Closed; | |
1075 | } | |
1076 | ||
1077 | break; | |
1078 | ||
1079 | case Closed: | |
1080 | nclosed++; | |
1081 | break; | |
1082 | } | |
1083 | } | |
1084 | ||
1085 | } while (nclosed < 3); | |
1086 | ||
1087 | runtime = get_timer (runtime); | |
1088 | if (runtime <= ELBT_CLSWAIT) { | |
1089 | printf ("Whoops! somehow elapsed time (%ld) is wrong (<= %d)\n", | |
1090 | runtime, ELBT_CLSWAIT); | |
1091 | return; | |
1092 | } | |
1093 | nmsec = runtime - ELBT_CLSWAIT; | |
1094 | ||
1095 | printf ("Test Finished in %ldms (plus %dms close wait period)!\n\n", | |
1096 | nmsec, ELBT_CLSWAIT); | |
1097 | ||
1098 | /* | |
1099 | * now print stats | |
1100 | */ | |
1101 | ||
1102 | for (c = 0; c < 3; c++) { | |
1103 | elbt_chan *ecp = &elbt_chans[c]; | |
1104 | uint rxpps, txpps, nerr; | |
1105 | ||
1106 | rxpps = (ecp->nrcvd * 1000) / nmsec; | |
1107 | txpps = (ecp->nsent * 1000) / nmsec; | |
1108 | ||
1109 | printf ("Channel %d: %d rcvd (%d pps, %d rxerrs), " | |
1110 | "%d sent (%d pps, %d txerrs)\n\n", c, | |
1111 | ecp->nrcvd, rxpps, ecp->nrxerr, | |
1112 | ecp->nsent, txpps, ecp->ntxerr); | |
1113 | ||
1114 | if ((nerr = ecp->nrxerr) > 0) { | |
1115 | ulong i; | |
1116 | ||
1117 | printf ("\tFirst %d rx errs:", nerr); | |
1118 | for (i = 0; i < nerr; i++) | |
1119 | printf (" %04x", ecp->rxerrs[i]); | |
1120 | puts ("\n"); | |
1121 | } | |
1122 | ||
1123 | if ((nerr = ecp->ntxerr) > 0) { | |
1124 | ulong i; | |
1125 | ||
1126 | printf ("\tFirst %d tx errs:", nerr); | |
1127 | for (i = 0; i < nerr; i++) | |
1128 | printf (" %04x", ecp->txerrs[i]); | |
1129 | puts ("\n"); | |
1130 | } | |
1131 | } | |
1132 | ||
1133 | puts ("Receive Error Counts:\n"); | |
1134 | for (c = 0; c < 3; c++) | |
1135 | bases[c] = (uchar *)&elbt_chans[c].rxeacc; | |
1136 | print_desc (rxeacc_descs, rxeacc_ndesc, bases, 3); | |
1137 | ||
1138 | puts ("\nTransmit Error Counts:\n"); | |
1139 | for (c = 0; c < 3; c++) | |
1140 | bases[c] = (uchar *)&elbt_chans[c].txeacc; | |
1141 | print_desc (txeacc_descs, txeacc_ndesc, bases, 3); | |
1142 | ||
1143 | puts ("\nRMON(-like) Counters:\n"); | |
1144 | for (c = 0; c < 3; c++) | |
1145 | bases[c] = (uchar *)&immr->im_dprambase[elbt_chans[c].proff]; | |
1146 | print_desc (epram_descs, epram_ndesc, bases, 3); | |
1147 | } | |
1148 | ||
1149 | #endif /* CONFIG_ETHER_LOOPBACK_TEST */ | |
1150 | ||
aacf9a49 | 1151 | #endif /* CONFIG_ETHER_ON_FCC && CFG_CMD_NET && CONFIG_NET_MULTI */ |