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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 | |
4431283c | 50 | #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) |
63ff004c MB |
51 | #include <miiphy.h> |
52 | #endif | |
53 | ||
d87080b7 WD |
54 | DECLARE_GLOBAL_DATA_PTR; |
55 | ||
4431283c | 56 | #if defined(CONFIG_ETHER_ON_FCC) && defined(CONFIG_CMD_NET) && \ |
aacf9a49 | 57 | defined(CONFIG_NET_MULTI) |
affae2bf | 58 | |
aacf9a49 WD |
59 | static struct ether_fcc_info_s |
60 | { | |
61 | int ether_index; | |
62 | int proff_enet; | |
63 | ulong cpm_cr_enet_sblock; | |
64 | ulong cpm_cr_enet_page; | |
65 | ulong cmxfcr_mask; | |
66 | ulong cmxfcr_value; | |
67 | } | |
68 | ether_fcc_info[] = | |
69 | { | |
70 | #ifdef CONFIG_ETHER_ON_FCC1 | |
71 | { | |
72 | 0, | |
73 | PROFF_FCC1, | |
74 | CPM_CR_FCC1_SBLOCK, | |
75 | CPM_CR_FCC1_PAGE, | |
6d0f6bcf JCPV |
76 | CONFIG_SYS_CMXFCR_MASK1, |
77 | CONFIG_SYS_CMXFCR_VALUE1 | |
aacf9a49 WD |
78 | }, |
79 | #endif | |
affae2bf | 80 | |
aacf9a49 WD |
81 | #ifdef CONFIG_ETHER_ON_FCC2 |
82 | { | |
83 | 1, | |
84 | PROFF_FCC2, | |
85 | CPM_CR_FCC2_SBLOCK, | |
86 | CPM_CR_FCC2_PAGE, | |
6d0f6bcf JCPV |
87 | CONFIG_SYS_CMXFCR_MASK2, |
88 | CONFIG_SYS_CMXFCR_VALUE2 | |
aacf9a49 WD |
89 | }, |
90 | #endif | |
affae2bf | 91 | |
aacf9a49 WD |
92 | #ifdef CONFIG_ETHER_ON_FCC3 |
93 | { | |
94 | 2, | |
95 | PROFF_FCC3, | |
96 | CPM_CR_FCC3_SBLOCK, | |
97 | CPM_CR_FCC3_PAGE, | |
6d0f6bcf JCPV |
98 | CONFIG_SYS_CMXFCR_MASK3, |
99 | CONFIG_SYS_CMXFCR_VALUE3 | |
aacf9a49 | 100 | }, |
affae2bf | 101 | #endif |
aacf9a49 WD |
102 | }; |
103 | ||
affae2bf WD |
104 | /*---------------------------------------------------------------------*/ |
105 | ||
106 | /* Maximum input DMA size. Must be a should(?) be a multiple of 4. */ | |
107 | #define PKT_MAXDMA_SIZE 1520 | |
108 | ||
109 | /* The FCC stores dest/src/type, data, and checksum for receive packets. */ | |
110 | #define PKT_MAXBUF_SIZE 1518 | |
111 | #define PKT_MINBUF_SIZE 64 | |
112 | ||
113 | /* Maximum input buffer size. Must be a multiple of 32. */ | |
114 | #define PKT_MAXBLR_SIZE 1536 | |
115 | ||
116 | #define TOUT_LOOP 1000000 | |
117 | ||
118 | #define TX_BUF_CNT 2 | |
119 | #ifdef __GNUC__ | |
120 | static char txbuf[TX_BUF_CNT][PKT_MAXBLR_SIZE] __attribute__ ((aligned(8))); | |
121 | #else | |
122 | #error "txbuf must be 64-bit aligned" | |
123 | #endif | |
124 | ||
125 | static uint rxIdx; /* index of the current RX buffer */ | |
126 | static uint txIdx; /* index of the current TX buffer */ | |
127 | ||
128 | /* | |
129 | * FCC Ethernet Tx and Rx buffer descriptors. | |
130 | * Provide for Double Buffering | |
131 | * Note: PKTBUFSRX is defined in net.h | |
132 | */ | |
133 | ||
134 | typedef volatile struct rtxbd { | |
135 | cbd_t rxbd[PKTBUFSRX]; | |
136 | cbd_t txbd[TX_BUF_CNT]; | |
137 | } RTXBD; | |
138 | ||
139 | /* Good news: the FCC supports external BDs! */ | |
140 | #ifdef __GNUC__ | |
141 | static RTXBD rtx __attribute__ ((aligned(8))); | |
142 | #else | |
143 | #error "rtx must be 64-bit aligned" | |
144 | #endif | |
145 | ||
aacf9a49 | 146 | static int fec_send(struct eth_device* dev, volatile void *packet, int length) |
affae2bf WD |
147 | { |
148 | int i; | |
149 | int result = 0; | |
150 | ||
151 | if (length <= 0) { | |
152 | printf("fec: bad packet size: %d\n", length); | |
153 | goto out; | |
154 | } | |
155 | ||
156 | for(i=0; rtx.txbd[txIdx].cbd_sc & BD_ENET_TX_READY; i++) { | |
157 | if (i >= TOUT_LOOP) { | |
4b9206ed | 158 | puts ("fec: tx buffer not ready\n"); |
affae2bf WD |
159 | goto out; |
160 | } | |
161 | } | |
162 | ||
163 | rtx.txbd[txIdx].cbd_bufaddr = (uint)packet; | |
164 | rtx.txbd[txIdx].cbd_datlen = length; | |
165 | rtx.txbd[txIdx].cbd_sc |= (BD_ENET_TX_READY | BD_ENET_TX_LAST | | |
166 | BD_ENET_TX_WRAP); | |
167 | ||
168 | for(i=0; rtx.txbd[txIdx].cbd_sc & BD_ENET_TX_READY; i++) { | |
169 | if (i >= TOUT_LOOP) { | |
4b9206ed | 170 | puts ("fec: tx error\n"); |
affae2bf WD |
171 | goto out; |
172 | } | |
173 | } | |
174 | ||
175 | #ifdef ET_DEBUG | |
176 | printf("cycles: %d status: %04x\n", i, rtx.txbd[txIdx].cbd_sc); | |
177 | #endif | |
178 | ||
179 | /* return only status bits */ | |
180 | result = rtx.txbd[txIdx].cbd_sc & BD_ENET_TX_STATS; | |
181 | ||
182 | out: | |
183 | return result; | |
184 | } | |
185 | ||
aacf9a49 | 186 | static int fec_recv(struct eth_device* dev) |
affae2bf WD |
187 | { |
188 | int length; | |
189 | ||
190 | for (;;) | |
191 | { | |
192 | if (rtx.rxbd[rxIdx].cbd_sc & BD_ENET_RX_EMPTY) { | |
193 | length = -1; | |
194 | break; /* nothing received - leave for() loop */ | |
195 | } | |
196 | length = rtx.rxbd[rxIdx].cbd_datlen; | |
197 | ||
198 | if (rtx.rxbd[rxIdx].cbd_sc & 0x003f) { | |
199 | printf("fec: rx error %04x\n", rtx.rxbd[rxIdx].cbd_sc); | |
200 | } | |
201 | else { | |
202 | /* Pass the packet up to the protocol layers. */ | |
203 | NetReceive(NetRxPackets[rxIdx], length - 4); | |
204 | } | |
205 | ||
206 | ||
207 | /* Give the buffer back to the FCC. */ | |
208 | rtx.rxbd[rxIdx].cbd_datlen = 0; | |
209 | ||
210 | /* wrap around buffer index when necessary */ | |
211 | if ((rxIdx + 1) >= PKTBUFSRX) { | |
212 | rtx.rxbd[PKTBUFSRX - 1].cbd_sc = (BD_ENET_RX_WRAP | BD_ENET_RX_EMPTY); | |
213 | rxIdx = 0; | |
214 | } | |
215 | else { | |
216 | rtx.rxbd[rxIdx].cbd_sc = BD_ENET_RX_EMPTY; | |
217 | rxIdx++; | |
218 | } | |
219 | } | |
220 | return length; | |
221 | } | |
222 | ||
223 | ||
aacf9a49 | 224 | static int fec_init(struct eth_device* dev, bd_t *bis) |
affae2bf | 225 | { |
aacf9a49 | 226 | struct ether_fcc_info_s * info = dev->priv; |
affae2bf | 227 | int i; |
6d0f6bcf | 228 | volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; |
affae2bf WD |
229 | volatile cpm8260_t *cp = &(immr->im_cpm); |
230 | fcc_enet_t *pram_ptr; | |
231 | unsigned long mem_addr; | |
232 | ||
233 | #if 0 | |
234 | mii_discover_phy(); | |
235 | #endif | |
236 | ||
237 | /* 28.9 - (1-2): ioports have been set up already */ | |
238 | ||
239 | /* 28.9 - (3): connect FCC's tx and rx clocks */ | |
240 | immr->im_cpmux.cmx_uar = 0; | |
aacf9a49 | 241 | immr->im_cpmux.cmx_fcr = (immr->im_cpmux.cmx_fcr & ~info->cmxfcr_mask) | |
42d1f039 | 242 | info->cmxfcr_value; |
affae2bf WD |
243 | |
244 | /* 28.9 - (4): GFMR: disable tx/rx, CCITT CRC, Mode Ethernet */ | |
aacf9a49 | 245 | immr->im_fcc[info->ether_index].fcc_gfmr = |
affae2bf WD |
246 | FCC_GFMR_MODE_ENET | FCC_GFMR_TCRC_32; |
247 | ||
248 | /* 28.9 - (5): FPSMR: enable full duplex, select CCITT CRC for Ethernet */ | |
6d0f6bcf | 249 | immr->im_fcc[info->ether_index].fcc_fpsmr = CONFIG_SYS_FCC_PSMR | FCC_PSMR_ENCRC; |
affae2bf WD |
250 | |
251 | /* 28.9 - (6): FDSR: Ethernet Syn */ | |
aacf9a49 | 252 | immr->im_fcc[info->ether_index].fcc_fdsr = 0xD555; |
affae2bf WD |
253 | |
254 | /* reset indeces to current rx/tx bd (see eth_send()/eth_rx()) */ | |
255 | rxIdx = 0; | |
256 | txIdx = 0; | |
257 | ||
258 | /* Setup Receiver Buffer Descriptors */ | |
259 | for (i = 0; i < PKTBUFSRX; i++) | |
260 | { | |
261 | rtx.rxbd[i].cbd_sc = BD_ENET_RX_EMPTY; | |
262 | rtx.rxbd[i].cbd_datlen = 0; | |
263 | rtx.rxbd[i].cbd_bufaddr = (uint)NetRxPackets[i]; | |
264 | } | |
265 | rtx.rxbd[PKTBUFSRX - 1].cbd_sc |= BD_ENET_RX_WRAP; | |
266 | ||
267 | /* Setup Ethernet Transmitter Buffer Descriptors */ | |
268 | for (i = 0; i < TX_BUF_CNT; i++) | |
269 | { | |
270 | rtx.txbd[i].cbd_sc = (BD_ENET_TX_PAD | BD_ENET_TX_LAST | BD_ENET_TX_TC); | |
271 | rtx.txbd[i].cbd_datlen = 0; | |
272 | rtx.txbd[i].cbd_bufaddr = (uint)&txbuf[i][0]; | |
273 | } | |
274 | rtx.txbd[TX_BUF_CNT - 1].cbd_sc |= BD_ENET_TX_WRAP; | |
275 | ||
276 | /* 28.9 - (7): initialise parameter ram */ | |
aacf9a49 | 277 | pram_ptr = (fcc_enet_t *)&(immr->im_dprambase[info->proff_enet]); |
affae2bf WD |
278 | |
279 | /* clear whole structure to make sure all reserved fields are zero */ | |
280 | memset((void*)pram_ptr, 0, sizeof(fcc_enet_t)); | |
281 | ||
282 | /* | |
283 | * common Parameter RAM area | |
284 | * | |
285 | * Allocate space in the reserved FCC area of DPRAM for the | |
286 | * internal buffers. No one uses this space (yet), so we | |
287 | * can do this. Later, we will add resource management for | |
288 | * this area. | |
289 | */ | |
aacf9a49 | 290 | mem_addr = CPM_FCC_SPECIAL_BASE + ((info->ether_index) * 64); |
affae2bf WD |
291 | pram_ptr->fen_genfcc.fcc_riptr = mem_addr; |
292 | pram_ptr->fen_genfcc.fcc_tiptr = mem_addr+32; | |
293 | /* | |
294 | * Set maximum bytes per receive buffer. | |
295 | * It must be a multiple of 32. | |
296 | */ | |
297 | pram_ptr->fen_genfcc.fcc_mrblr = PKT_MAXBLR_SIZE; | |
298 | pram_ptr->fen_genfcc.fcc_rstate = (CPMFCR_GBL | CPMFCR_EB | | |
6d0f6bcf | 299 | CONFIG_SYS_CPMFCR_RAMTYPE) << 24; |
affae2bf WD |
300 | pram_ptr->fen_genfcc.fcc_rbase = (unsigned int)(&rtx.rxbd[rxIdx]); |
301 | pram_ptr->fen_genfcc.fcc_tstate = (CPMFCR_GBL | CPMFCR_EB | | |
6d0f6bcf | 302 | CONFIG_SYS_CPMFCR_RAMTYPE) << 24; |
affae2bf WD |
303 | pram_ptr->fen_genfcc.fcc_tbase = (unsigned int)(&rtx.txbd[txIdx]); |
304 | ||
305 | /* protocol-specific area */ | |
306 | pram_ptr->fen_cmask = 0xdebb20e3; /* CRC mask */ | |
307 | pram_ptr->fen_cpres = 0xffffffff; /* CRC preset */ | |
308 | pram_ptr->fen_retlim = 15; /* Retry limit threshold */ | |
309 | pram_ptr->fen_mflr = PKT_MAXBUF_SIZE; /* maximum frame length register */ | |
310 | /* | |
311 | * Set Ethernet station address. | |
312 | * | |
313 | * This is supplied in the board information structure, so we | |
314 | * copy that into the controller. | |
315 | * So, far we have only been given one Ethernet address. We make | |
316 | * it unique by setting a few bits in the upper byte of the | |
317 | * non-static part of the address. | |
318 | */ | |
aacf9a49 | 319 | #define ea eth_get_dev()->enetaddr |
affae2bf WD |
320 | pram_ptr->fen_paddrh = (ea[5] << 8) + ea[4]; |
321 | pram_ptr->fen_paddrm = (ea[3] << 8) + ea[2]; | |
322 | pram_ptr->fen_paddrl = (ea[1] << 8) + ea[0]; | |
323 | #undef ea | |
324 | pram_ptr->fen_minflr = PKT_MINBUF_SIZE; /* minimum frame length register */ | |
325 | /* pad pointer. use tiptr since we don't need a specific padding char */ | |
326 | pram_ptr->fen_padptr = pram_ptr->fen_genfcc.fcc_tiptr; | |
327 | pram_ptr->fen_maxd1 = PKT_MAXDMA_SIZE; /* maximum DMA1 length */ | |
328 | pram_ptr->fen_maxd2 = PKT_MAXDMA_SIZE; /* maximum DMA2 length */ | |
329 | pram_ptr->fen_rfthr = 1; | |
330 | pram_ptr->fen_rfcnt = 1; | |
331 | #if 0 | |
332 | printf("pram_ptr->fen_genfcc.fcc_rbase %08lx\n", | |
333 | pram_ptr->fen_genfcc.fcc_rbase); | |
334 | printf("pram_ptr->fen_genfcc.fcc_tbase %08lx\n", | |
335 | pram_ptr->fen_genfcc.fcc_tbase); | |
336 | #endif | |
337 | ||
338 | /* 28.9 - (8): clear out events in FCCE */ | |
aacf9a49 | 339 | immr->im_fcc[info->ether_index].fcc_fcce = ~0x0; |
affae2bf WD |
340 | |
341 | /* 28.9 - (9): FCCM: mask all events */ | |
aacf9a49 | 342 | immr->im_fcc[info->ether_index].fcc_fccm = 0; |
affae2bf WD |
343 | |
344 | /* 28.9 - (10-12): we don't use ethernet interrupts */ | |
345 | ||
346 | /* 28.9 - (13) | |
347 | * | |
348 | * Let's re-initialize the channel now. We have to do it later | |
349 | * than the manual describes because we have just now finished | |
350 | * the BD initialization. | |
351 | */ | |
aacf9a49 WD |
352 | cp->cp_cpcr = mk_cr_cmd(info->cpm_cr_enet_page, |
353 | info->cpm_cr_enet_sblock, | |
affae2bf WD |
354 | 0x0c, |
355 | CPM_CR_INIT_TRX) | CPM_CR_FLG; | |
356 | do { | |
357 | __asm__ __volatile__ ("eieio"); | |
358 | } while (cp->cp_cpcr & CPM_CR_FLG); | |
359 | ||
360 | /* 28.9 - (14): enable tx/rx in gfmr */ | |
aacf9a49 | 361 | immr->im_fcc[info->ether_index].fcc_gfmr |= FCC_GFMR_ENT | FCC_GFMR_ENR; |
affae2bf WD |
362 | |
363 | return 1; | |
364 | } | |
365 | ||
aacf9a49 | 366 | static void fec_halt(struct eth_device* dev) |
affae2bf | 367 | { |
aacf9a49 | 368 | struct ether_fcc_info_s * info = dev->priv; |
6d0f6bcf | 369 | volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; |
affae2bf WD |
370 | |
371 | /* write GFMR: disable tx/rx */ | |
aacf9a49 | 372 | immr->im_fcc[info->ether_index].fcc_gfmr &= |
affae2bf WD |
373 | ~(FCC_GFMR_ENT | FCC_GFMR_ENR); |
374 | } | |
375 | ||
aacf9a49 WD |
376 | int fec_initialize(bd_t *bis) |
377 | { | |
378 | struct eth_device* dev; | |
379 | int i; | |
380 | ||
381 | for (i = 0; i < sizeof(ether_fcc_info) / sizeof(ether_fcc_info[0]); i++) | |
382 | { | |
383 | dev = (struct eth_device*) malloc(sizeof *dev); | |
384 | memset(dev, 0, sizeof *dev); | |
385 | ||
386 | sprintf(dev->name, "FCC%d ETHERNET", | |
42d1f039 | 387 | ether_fcc_info[i].ether_index + 1); |
aacf9a49 WD |
388 | dev->priv = ðer_fcc_info[i]; |
389 | dev->init = fec_init; | |
390 | dev->halt = fec_halt; | |
391 | dev->send = fec_send; | |
392 | dev->recv = fec_recv; | |
393 | ||
394 | eth_register(dev); | |
63ff004c | 395 | |
4431283c | 396 | #if (defined(CONFIG_MII) || defined(CONFIG_CMD_MII)) \ |
63ff004c MB |
397 | && defined(CONFIG_BITBANGMII) |
398 | miiphy_register(dev->name, | |
399 | bb_miiphy_read, bb_miiphy_write); | |
400 | #endif | |
aacf9a49 WD |
401 | } |
402 | ||
403 | return 1; | |
404 | } | |
405 | ||
6dd652fa WD |
406 | #ifdef CONFIG_ETHER_LOOPBACK_TEST |
407 | ||
408 | #define ELBT_BUFSZ 1024 /* must be multiple of 32 */ | |
409 | ||
410 | #define ELBT_CRCSZ 4 | |
411 | ||
412 | #define ELBT_NRXBD 4 /* must be at least 2 */ | |
413 | #define ELBT_NTXBD 4 | |
414 | ||
415 | #define ELBT_MAXRXERR 32 | |
416 | #define ELBT_MAXTXERR 32 | |
417 | ||
418 | #define ELBT_CLSWAIT 1000 /* msec to wait for further input frames */ | |
419 | ||
420 | typedef | |
421 | struct { | |
422 | uint off; | |
423 | char *lab; | |
424 | } | |
425 | elbt_prdesc; | |
426 | ||
427 | typedef | |
428 | struct { | |
429 | uint _l, _f, m, bc, mc, lg, no, sh, cr, ov, cl; | |
430 | uint badsrc, badtyp, badlen, badbit; | |
431 | } | |
432 | elbt_rxeacc; | |
433 | ||
434 | static elbt_prdesc rxeacc_descs[] = { | |
435 | { offsetof(elbt_rxeacc, _l), "Not Last in Frame" }, | |
436 | { offsetof(elbt_rxeacc, _f), "Not First in Frame" }, | |
437 | { offsetof(elbt_rxeacc, m), "Address Miss" }, | |
438 | { offsetof(elbt_rxeacc, bc), "Broadcast Address" }, | |
439 | { offsetof(elbt_rxeacc, mc), "Multicast Address" }, | |
440 | { offsetof(elbt_rxeacc, lg), "Frame Length Violation"}, | |
441 | { offsetof(elbt_rxeacc, no), "Non-Octet Alignment" }, | |
442 | { offsetof(elbt_rxeacc, sh), "Short Frame" }, | |
443 | { offsetof(elbt_rxeacc, cr), "CRC Error" }, | |
444 | { offsetof(elbt_rxeacc, ov), "Overrun" }, | |
445 | { offsetof(elbt_rxeacc, cl), "Collision" }, | |
446 | { offsetof(elbt_rxeacc, badsrc), "Bad Src Address" }, | |
447 | { offsetof(elbt_rxeacc, badtyp), "Bad Frame Type" }, | |
448 | { offsetof(elbt_rxeacc, badlen), "Bad Frame Length" }, | |
449 | { offsetof(elbt_rxeacc, badbit), "Data Compare Errors" }, | |
450 | }; | |
451 | static int rxeacc_ndesc = sizeof (rxeacc_descs) / sizeof (rxeacc_descs[0]); | |
452 | ||
453 | typedef | |
454 | struct { | |
455 | uint def, hb, lc, rl, rc, un, csl; | |
456 | } | |
457 | elbt_txeacc; | |
458 | ||
459 | static elbt_prdesc txeacc_descs[] = { | |
460 | { offsetof(elbt_txeacc, def), "Defer Indication" }, | |
461 | { offsetof(elbt_txeacc, hb), "Heartbeat" }, | |
462 | { offsetof(elbt_txeacc, lc), "Late Collision" }, | |
463 | { offsetof(elbt_txeacc, rl), "Retransmission Limit" }, | |
464 | { offsetof(elbt_txeacc, rc), "Retry Count" }, | |
465 | { offsetof(elbt_txeacc, un), "Underrun" }, | |
466 | { offsetof(elbt_txeacc, csl), "Carrier Sense Lost" }, | |
467 | }; | |
468 | static int txeacc_ndesc = sizeof (txeacc_descs) / sizeof (txeacc_descs[0]); | |
469 | ||
470 | typedef | |
471 | struct { | |
472 | uchar rxbufs[ELBT_NRXBD][ELBT_BUFSZ]; | |
473 | uchar txbufs[ELBT_NTXBD][ELBT_BUFSZ]; | |
474 | cbd_t rxbd[ELBT_NRXBD]; | |
475 | cbd_t txbd[ELBT_NTXBD]; | |
476 | enum { Idle, Running, Closing, Closed } state; | |
477 | int proff, page, sblock; | |
478 | uint clstime, nsent, ntxerr, nrcvd, nrxerr; | |
479 | ushort rxerrs[ELBT_MAXRXERR], txerrs[ELBT_MAXTXERR]; | |
480 | elbt_rxeacc rxeacc; | |
481 | elbt_txeacc txeacc; | |
482 | } __attribute__ ((aligned(8))) | |
483 | elbt_chan; | |
484 | ||
485 | static uchar patbytes[ELBT_NTXBD] = { | |
486 | 0xff, 0xaa, 0x55, 0x00 | |
487 | }; | |
488 | static uint patwords[ELBT_NTXBD] = { | |
489 | 0xffffffff, 0xaaaaaaaa, 0x55555555, 0x00000000 | |
490 | }; | |
491 | ||
492 | #ifdef __GNUC__ | |
493 | static elbt_chan elbt_chans[3] __attribute__ ((aligned(8))); | |
494 | #else | |
495 | #error "elbt_chans must be 64-bit aligned" | |
496 | #endif | |
497 | ||
498 | #define CPM_CR_GRACEFUL_STOP_TX ((ushort)0x0005) | |
499 | ||
500 | static elbt_prdesc epram_descs[] = { | |
501 | { offsetof(fcc_enet_t, fen_crcec), "CRC Errors" }, | |
502 | { offsetof(fcc_enet_t, fen_alec), "Alignment Errors" }, | |
503 | { offsetof(fcc_enet_t, fen_disfc), "Discarded Frames" }, | |
504 | { offsetof(fcc_enet_t, fen_octc), "Octets" }, | |
505 | { offsetof(fcc_enet_t, fen_colc), "Collisions" }, | |
506 | { offsetof(fcc_enet_t, fen_broc), "Broadcast Frames" }, | |
507 | { offsetof(fcc_enet_t, fen_mulc), "Multicast Frames" }, | |
508 | { offsetof(fcc_enet_t, fen_uspc), "Undersize Frames" }, | |
509 | { offsetof(fcc_enet_t, fen_frgc), "Fragments" }, | |
510 | { offsetof(fcc_enet_t, fen_ospc), "Oversize Frames" }, | |
511 | { offsetof(fcc_enet_t, fen_jbrc), "Jabbers" }, | |
512 | { offsetof(fcc_enet_t, fen_p64c), "64 Octet Frames" }, | |
513 | { offsetof(fcc_enet_t, fen_p65c), "65-127 Octet Frames" }, | |
514 | { offsetof(fcc_enet_t, fen_p128c), "128-255 Octet Frames" }, | |
515 | { offsetof(fcc_enet_t, fen_p256c), "256-511 Octet Frames" }, | |
516 | { offsetof(fcc_enet_t, fen_p512c), "512-1023 Octet Frames" }, | |
517 | { offsetof(fcc_enet_t, fen_p1024c), "1024-1518 Octet Frames"}, | |
518 | }; | |
519 | static int epram_ndesc = sizeof (epram_descs) / sizeof (epram_descs[0]); | |
520 | ||
521 | /* | |
522 | * given an elbt_prdesc array and an array of base addresses, print | |
523 | * each prdesc down the screen with the values fetched from each | |
524 | * base address across the screen | |
525 | */ | |
526 | static void | |
527 | print_desc (elbt_prdesc descs[], int ndesc, uchar *bases[], int nbase) | |
528 | { | |
529 | elbt_prdesc *dp = descs, *edp = dp + ndesc; | |
530 | int i; | |
531 | ||
532 | printf ("%32s", ""); | |
533 | ||
534 | for (i = 0; i < nbase; i++) | |
535 | printf (" Channel %d", i); | |
536 | ||
4b9206ed | 537 | putc ('\n'); |
6dd652fa WD |
538 | |
539 | while (dp < edp) { | |
540 | ||
541 | printf ("%-32s", dp->lab); | |
542 | ||
543 | for (i = 0; i < nbase; i++) { | |
544 | uint val = *(uint *)(bases[i] + dp->off); | |
545 | ||
546 | printf (" %10u", val); | |
547 | } | |
548 | ||
4b9206ed | 549 | putc ('\n'); |
6dd652fa WD |
550 | |
551 | dp++; | |
552 | } | |
553 | } | |
554 | ||
555 | /* | |
556 | * return number of bits that are set in a value; value contains | |
557 | * nbits (right-justified) bits. | |
558 | */ | |
559 | static uint __inline__ | |
560 | nbs (uint value, uint nbits) | |
561 | { | |
562 | uint cnt = 0; | |
563 | #if 1 | |
564 | uint pos = sizeof (uint) * 8; | |
565 | ||
566 | __asm__ __volatile__ ("\ | |
567 | mtctr %2\n\ | |
568 | 1: rlwnm. %2,%1,%4,31,31\n\ | |
569 | beq 2f\n\ | |
570 | addi %0,%0,1\n\ | |
571 | 2: subi %4,%4,1\n\ | |
572 | bdnz 1b" | |
573 | : "=r"(cnt) | |
574 | : "r"(value), "r"(nbits), "r"(cnt), "r"(pos) | |
575 | : "ctr", "cc" ); | |
576 | #else | |
577 | uint mask = 1; | |
578 | ||
579 | do { | |
580 | if (value & mask) | |
581 | cnt++; | |
582 | mask <<= 1; | |
583 | } while (--nbits); | |
584 | #endif | |
585 | ||
586 | return (cnt); | |
587 | } | |
588 | ||
589 | static ulong | |
590 | badbits (uchar *bp, int n, ulong pat) | |
591 | { | |
592 | ulong *lp, cnt = 0; | |
593 | int nl; | |
594 | ||
595 | while (n > 0 && ((ulong)bp & (sizeof (ulong) - 1)) != 0) { | |
596 | uchar diff; | |
597 | ||
598 | diff = *bp++ ^ (uchar)pat; | |
599 | ||
600 | if (diff) | |
601 | cnt += nbs ((ulong)diff, 8); | |
602 | ||
603 | n--; | |
604 | } | |
605 | ||
606 | lp = (ulong *)bp; | |
607 | nl = n / sizeof (ulong); | |
608 | n -= nl * sizeof (ulong); | |
609 | ||
610 | while (nl > 0) { | |
611 | ulong diff; | |
612 | ||
613 | diff = *lp++ ^ pat; | |
614 | ||
615 | if (diff) | |
616 | cnt += nbs (diff, 32); | |
617 | ||
618 | nl--; | |
619 | } | |
620 | ||
621 | bp = (uchar *)lp; | |
622 | ||
623 | while (n > 0) { | |
624 | uchar diff; | |
625 | ||
626 | diff = *bp++ ^ (uchar)pat; | |
627 | ||
628 | if (diff) | |
629 | cnt += nbs ((ulong)diff, 8); | |
630 | ||
631 | n--; | |
632 | } | |
633 | ||
634 | return (cnt); | |
635 | } | |
636 | ||
637 | static inline unsigned short | |
638 | swap16 (unsigned short x) | |
639 | { | |
640 | return (((x & 0xff) << 8) | ((x & 0xff00) >> 8)); | |
641 | } | |
642 | ||
6dfa434e WD |
643 | /* broadcast is not an error - we send them like that */ |
644 | #define BD_ENET_RX_ERRS (BD_ENET_RX_STATS & ~BD_ENET_RX_BC) | |
645 | ||
6dd652fa WD |
646 | void |
647 | eth_loopback_test (void) | |
648 | { | |
6d0f6bcf | 649 | volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; |
6dd652fa WD |
650 | volatile cpm8260_t *cp = &(immr->im_cpm); |
651 | int c, nclosed; | |
652 | ulong runtime, nmsec; | |
653 | uchar *bases[3]; | |
654 | ||
655 | puts ("FCC Ethernet External loopback test\n"); | |
656 | ||
6bacfa6a | 657 | eth_getenv_enetaddr("ethaddr", NetOurEther); |
6dd652fa WD |
658 | |
659 | /* | |
660 | * global initialisations for all FCC channels | |
661 | */ | |
662 | ||
663 | /* 28.9 - (1-2): ioports have been set up already */ | |
664 | ||
665 | #if defined(CONFIG_HYMOD) | |
65bd0e28 WD |
666 | /* |
667 | * Attention: this is board-specific | |
42d1f039 WD |
668 | * 0, FCC1 |
669 | * 1, FCC2 | |
670 | * 2, FCC3 | |
671 | */ | |
65bd0e28 WD |
672 | # define FCC_START_LOOP 0 |
673 | # define FCC_END_LOOP 2 | |
674 | ||
6dd652fa WD |
675 | /* |
676 | * Attention: this is board-specific | |
677 | * - FCC1 Rx-CLK is CLK10 | |
678 | * - FCC1 Tx-CLK is CLK11 | |
679 | * - FCC2 Rx-CLK is CLK13 | |
680 | * - FCC2 Tx-CLK is CLK14 | |
681 | * - FCC3 Rx-CLK is CLK15 | |
682 | * - FCC3 Tx-CLK is CLK16 | |
683 | */ | |
684 | ||
685 | /* 28.9 - (3): connect FCC's tx and rx clocks */ | |
686 | immr->im_cpmux.cmx_uar = 0; | |
687 | immr->im_cpmux.cmx_fcr = CMXFCR_RF1CS_CLK10|CMXFCR_TF1CS_CLK11|\ | |
688 | CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14|\ | |
689 | CMXFCR_RF3CS_CLK15|CMXFCR_TF3CS_CLK16; | |
65bd0e28 WD |
690 | #elif defined(CONFIG_SBC8260) || defined(CONFIG_SACSng) |
691 | /* | |
692 | * Attention: this is board-specific | |
42d1f039 WD |
693 | * 1, FCC2 |
694 | */ | |
65bd0e28 WD |
695 | # define FCC_START_LOOP 1 |
696 | # define FCC_END_LOOP 1 | |
697 | ||
698 | /* | |
699 | * Attention: this is board-specific | |
700 | * - FCC2 Rx-CLK is CLK13 | |
701 | * - FCC2 Tx-CLK is CLK14 | |
702 | */ | |
703 | ||
704 | /* 28.9 - (3): connect FCC's tx and rx clocks */ | |
705 | immr->im_cpmux.cmx_uar = 0; | |
706 | immr->im_cpmux.cmx_fcr = CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14; | |
6dd652fa WD |
707 | #else |
708 | #error "eth_loopback_test not supported on your board" | |
709 | #endif | |
710 | ||
711 | puts ("Initialise FCC channels:"); | |
712 | ||
65bd0e28 | 713 | for (c = FCC_START_LOOP; c <= FCC_END_LOOP; c++) { |
6dd652fa WD |
714 | elbt_chan *ecp = &elbt_chans[c]; |
715 | volatile fcc_t *fcp = &immr->im_fcc[c]; | |
716 | volatile fcc_enet_t *fpp; | |
717 | int i; | |
718 | ulong addr; | |
719 | ||
720 | /* | |
721 | * initialise channel data | |
722 | */ | |
723 | ||
724 | printf (" %d", c); | |
725 | ||
726 | memset ((void *)ecp, 0, sizeof (*ecp)); | |
727 | ||
728 | ecp->state = Idle; | |
729 | ||
730 | switch (c) { | |
731 | ||
732 | case 0: /* FCC1 */ | |
733 | ecp->proff = PROFF_FCC1; | |
734 | ecp->page = CPM_CR_FCC1_PAGE; | |
735 | ecp->sblock = CPM_CR_FCC1_SBLOCK; | |
736 | break; | |
737 | ||
738 | case 1: /* FCC2 */ | |
739 | ecp->proff = PROFF_FCC2; | |
740 | ecp->page = CPM_CR_FCC2_PAGE; | |
741 | ecp->sblock = CPM_CR_FCC2_SBLOCK; | |
742 | break; | |
743 | ||
744 | case 2: /* FCC3 */ | |
745 | ecp->proff = PROFF_FCC3; | |
746 | ecp->page = CPM_CR_FCC3_PAGE; | |
747 | ecp->sblock = CPM_CR_FCC3_SBLOCK; | |
748 | break; | |
749 | } | |
750 | ||
751 | /* | |
752 | * set up tx buffers and bds | |
753 | */ | |
754 | ||
755 | for (i = 0; i < ELBT_NTXBD; i++) { | |
756 | cbd_t *bdp = &ecp->txbd[i]; | |
757 | uchar *bp = &ecp->txbufs[i][0]; | |
758 | ||
759 | bdp->cbd_bufaddr = (uint)bp; | |
760 | /* room for crc */ | |
761 | bdp->cbd_datlen = ELBT_BUFSZ - ELBT_CRCSZ; | |
762 | bdp->cbd_sc = BD_ENET_TX_READY | BD_ENET_TX_PAD | \ | |
763 | BD_ENET_TX_LAST | BD_ENET_TX_TC; | |
764 | ||
765 | memset ((void *)bp, patbytes[i], ELBT_BUFSZ); | |
766 | NetSetEther (bp, NetBcastAddr, 0x8000); | |
767 | } | |
768 | ecp->txbd[ELBT_NTXBD - 1].cbd_sc |= BD_ENET_TX_WRAP; | |
769 | ||
770 | /* | |
771 | * set up rx buffers and bds | |
772 | */ | |
773 | ||
774 | for (i = 0; i < ELBT_NRXBD; i++) { | |
775 | cbd_t *bdp = &ecp->rxbd[i]; | |
776 | uchar *bp = &ecp->rxbufs[i][0]; | |
777 | ||
778 | bdp->cbd_bufaddr = (uint)bp; | |
779 | bdp->cbd_datlen = 0; | |
780 | bdp->cbd_sc = BD_ENET_RX_EMPTY; | |
781 | ||
782 | memset ((void *)bp, 0, ELBT_BUFSZ); | |
783 | } | |
784 | ecp->rxbd[ELBT_NRXBD - 1].cbd_sc |= BD_ENET_RX_WRAP; | |
785 | ||
786 | /* | |
787 | * set up the FCC channel hardware | |
788 | */ | |
789 | ||
790 | /* 28.9 - (4): GFMR: disable tx/rx, CCITT CRC, Mode Ethernet */ | |
791 | fcp->fcc_gfmr = FCC_GFMR_MODE_ENET | FCC_GFMR_TCRC_32; | |
792 | ||
793 | /* 28.9 - (5): FPSMR: fd, enet CRC, Promis, RMON, Rx SHort */ | |
794 | fcp->fcc_fpsmr = FCC_PSMR_FDE | FCC_PSMR_LPB | \ | |
795 | FCC_PSMR_ENCRC | FCC_PSMR_PRO | \ | |
796 | FCC_PSMR_MON | FCC_PSMR_RSH; | |
797 | ||
798 | /* 28.9 - (6): FDSR: Ethernet Syn */ | |
799 | fcp->fcc_fdsr = 0xD555; | |
800 | ||
801 | /* 29.9 - (7): initialise parameter ram */ | |
802 | fpp = (fcc_enet_t *)&(immr->im_dprambase[ecp->proff]); | |
803 | ||
804 | /* clear whole struct to make sure all resv fields are zero */ | |
805 | memset ((void *)fpp, 0, sizeof (fcc_enet_t)); | |
806 | ||
807 | /* | |
808 | * common Parameter RAM area | |
809 | * | |
810 | * Allocate space in the reserved FCC area of DPRAM for the | |
811 | * internal buffers. No one uses this space (yet), so we | |
812 | * can do this. Later, we will add resource management for | |
813 | * this area. | |
814 | */ | |
815 | addr = CPM_FCC_SPECIAL_BASE + (c * 64); | |
816 | fpp->fen_genfcc.fcc_riptr = addr; | |
817 | fpp->fen_genfcc.fcc_tiptr = addr + 32; | |
818 | ||
819 | /* | |
820 | * Set maximum bytes per receive buffer. | |
821 | * It must be a multiple of 32. | |
822 | * buffers are in 60x bus memory. | |
823 | */ | |
824 | fpp->fen_genfcc.fcc_mrblr = PKT_MAXBLR_SIZE; | |
825 | fpp->fen_genfcc.fcc_rstate = (CPMFCR_GBL | CPMFCR_EB) << 24; | |
826 | fpp->fen_genfcc.fcc_rbase = (unsigned int)(&ecp->rxbd[0]); | |
827 | fpp->fen_genfcc.fcc_tstate = (CPMFCR_GBL | CPMFCR_EB) << 24; | |
828 | fpp->fen_genfcc.fcc_tbase = (unsigned int)(&ecp->txbd[0]); | |
829 | ||
830 | /* protocol-specific area */ | |
831 | fpp->fen_cmask = 0xdebb20e3; /* CRC mask */ | |
832 | fpp->fen_cpres = 0xffffffff; /* CRC preset */ | |
833 | fpp->fen_retlim = 15; /* Retry limit threshold */ | |
834 | fpp->fen_mflr = PKT_MAXBUF_SIZE;/* max frame length register */ | |
835 | ||
836 | /* | |
837 | * Set Ethernet station address. | |
838 | * | |
839 | * This is supplied in the board information structure, so we | |
840 | * copy that into the controller. | |
841 | * So, far we have only been given one Ethernet address. We use | |
842 | * the same address for all channels | |
843 | */ | |
6bacfa6a | 844 | #define ea NetOurEther |
6dd652fa WD |
845 | fpp->fen_paddrh = (ea[5] << 8) + ea[4]; |
846 | fpp->fen_paddrm = (ea[3] << 8) + ea[2]; | |
847 | fpp->fen_paddrl = (ea[1] << 8) + ea[0]; | |
848 | #undef ea | |
849 | ||
850 | fpp->fen_minflr = PKT_MINBUF_SIZE; /* min frame len register */ | |
851 | /* | |
852 | * pad pointer. use tiptr since we don't need | |
853 | * a specific padding char | |
854 | */ | |
855 | fpp->fen_padptr = fpp->fen_genfcc.fcc_tiptr; | |
856 | fpp->fen_maxd1 = PKT_MAXDMA_SIZE; /* max DMA1 length */ | |
857 | fpp->fen_maxd2 = PKT_MAXDMA_SIZE; /* max DMA2 length */ | |
858 | fpp->fen_rfthr = 1; | |
859 | fpp->fen_rfcnt = 1; | |
860 | ||
861 | /* 28.9 - (8): clear out events in FCCE */ | |
862 | fcp->fcc_fcce = ~0x0; | |
863 | ||
864 | /* 28.9 - (9): FCCM: mask all events */ | |
865 | fcp->fcc_fccm = 0; | |
866 | ||
867 | /* 28.9 - (10-12): we don't use ethernet interrupts */ | |
868 | ||
869 | /* 28.9 - (13) | |
870 | * | |
871 | * Let's re-initialize the channel now. We have to do it later | |
872 | * than the manual describes because we have just now finished | |
873 | * the BD initialization. | |
874 | */ | |
875 | cp->cp_cpcr = mk_cr_cmd (ecp->page, ecp->sblock, \ | |
876 | 0x0c, CPM_CR_INIT_TRX) | CPM_CR_FLG; | |
877 | do { | |
878 | __asm__ __volatile__ ("eieio"); | |
879 | } while (cp->cp_cpcr & CPM_CR_FLG); | |
880 | } | |
881 | ||
882 | puts (" done\nStarting test... (Ctrl-C to Finish)\n"); | |
883 | ||
884 | /* | |
885 | * Note: don't want serial output from here until the end of the | |
886 | * test - the delays would probably stuff things up. | |
887 | */ | |
888 | ||
889 | clear_ctrlc (); | |
890 | runtime = get_timer (0); | |
891 | ||
892 | do { | |
893 | nclosed = 0; | |
894 | ||
65bd0e28 | 895 | for (c = FCC_START_LOOP; c <= FCC_END_LOOP; c++) { |
6dd652fa WD |
896 | volatile fcc_t *fcp = &immr->im_fcc[c]; |
897 | elbt_chan *ecp = &elbt_chans[c]; | |
898 | int i; | |
899 | ||
900 | switch (ecp->state) { | |
901 | ||
902 | case Idle: | |
903 | /* | |
904 | * set the channel Running ... | |
905 | */ | |
906 | ||
907 | /* 28.9 - (14): enable tx/rx in gfmr */ | |
908 | fcp->fcc_gfmr |= FCC_GFMR_ENT | FCC_GFMR_ENR; | |
909 | ||
910 | ecp->state = Running; | |
911 | break; | |
912 | ||
913 | case Running: | |
914 | /* | |
915 | * (while Running only) check for | |
916 | * termination of the test | |
917 | */ | |
918 | ||
919 | (void)ctrlc (); | |
920 | ||
921 | if (had_ctrlc ()) { | |
922 | /* | |
923 | * initiate a "graceful stop transmit" | |
924 | * on the channel | |
925 | */ | |
926 | cp->cp_cpcr = mk_cr_cmd (ecp->page, \ | |
927 | ecp->sblock, 0x0c, \ | |
928 | CPM_CR_GRACEFUL_STOP_TX) | \ | |
929 | CPM_CR_FLG; | |
930 | do { | |
931 | __asm__ __volatile__ ("eieio"); | |
932 | } while (cp->cp_cpcr & CPM_CR_FLG); | |
933 | ||
934 | ecp->clstime = get_timer (0); | |
935 | ecp->state = Closing; | |
936 | } | |
937 | /* fall through ... */ | |
938 | ||
939 | case Closing: | |
940 | /* | |
941 | * (while Running or Closing) poll the channel: | |
942 | * - check for any non-READY tx buffers and | |
943 | * make them ready | |
944 | * - check for any non-EMPTY rx buffers and | |
945 | * check that they were received correctly, | |
946 | * adjust counters etc, then make empty | |
947 | */ | |
948 | ||
949 | for (i = 0; i < ELBT_NTXBD; i++) { | |
950 | cbd_t *bdp = &ecp->txbd[i]; | |
951 | ushort sc = bdp->cbd_sc; | |
952 | ||
953 | if ((sc & BD_ENET_TX_READY) != 0) | |
954 | continue; | |
955 | ||
956 | /* | |
957 | * this frame has finished | |
958 | * transmitting | |
959 | */ | |
960 | ecp->nsent++; | |
961 | ||
962 | if (sc & BD_ENET_TX_STATS) { | |
963 | ulong n; | |
964 | ||
965 | /* | |
966 | * we had an error on | |
967 | * the transmission | |
968 | */ | |
969 | n = ecp->ntxerr++; | |
970 | if (n < ELBT_MAXTXERR) | |
971 | ecp->txerrs[n] = sc; | |
972 | ||
973 | if (sc & BD_ENET_TX_DEF) | |
974 | ecp->txeacc.def++; | |
975 | if (sc & BD_ENET_TX_HB) | |
976 | ecp->txeacc.hb++; | |
977 | if (sc & BD_ENET_TX_LC) | |
978 | ecp->txeacc.lc++; | |
979 | if (sc & BD_ENET_TX_RL) | |
980 | ecp->txeacc.rl++; | |
981 | if (sc & BD_ENET_TX_RCMASK) | |
982 | ecp->txeacc.rc++; | |
983 | if (sc & BD_ENET_TX_UN) | |
984 | ecp->txeacc.un++; | |
985 | if (sc & BD_ENET_TX_CSL) | |
986 | ecp->txeacc.csl++; | |
987 | ||
988 | bdp->cbd_sc &= \ | |
989 | ~BD_ENET_TX_STATS; | |
990 | } | |
991 | ||
992 | if (ecp->state == Closing) | |
993 | ecp->clstime = get_timer (0); | |
994 | ||
995 | /* make it ready again */ | |
996 | bdp->cbd_sc |= BD_ENET_TX_READY; | |
997 | } | |
998 | ||
999 | for (i = 0; i < ELBT_NRXBD; i++) { | |
1000 | cbd_t *bdp = &ecp->rxbd[i]; | |
1001 | ushort sc = bdp->cbd_sc, mask; | |
1002 | ||
1003 | if ((sc & BD_ENET_RX_EMPTY) != 0) | |
1004 | continue; | |
1005 | ||
1006 | /* we have a new frame in this buffer */ | |
1007 | ecp->nrcvd++; | |
1008 | ||
1009 | mask = BD_ENET_RX_LAST|BD_ENET_RX_FIRST; | |
1010 | if ((sc & mask) != mask) { | |
1011 | /* somethings wrong here ... */ | |
1012 | if (!(sc & BD_ENET_RX_LAST)) | |
1013 | ecp->rxeacc._l++; | |
1014 | if (!(sc & BD_ENET_RX_FIRST)) | |
1015 | ecp->rxeacc._f++; | |
1016 | } | |
1017 | ||
6dfa434e | 1018 | if (sc & BD_ENET_RX_ERRS) { |
6dd652fa WD |
1019 | ulong n; |
1020 | ||
1021 | /* | |
1022 | * we had some sort of error | |
1023 | * on the frame | |
1024 | */ | |
1025 | n = ecp->nrxerr++; | |
1026 | if (n < ELBT_MAXRXERR) | |
1027 | ecp->rxerrs[n] = sc; | |
1028 | ||
1029 | if (sc & BD_ENET_RX_MISS) | |
1030 | ecp->rxeacc.m++; | |
1031 | if (sc & BD_ENET_RX_BC) | |
1032 | ecp->rxeacc.bc++; | |
1033 | if (sc & BD_ENET_RX_MC) | |
1034 | ecp->rxeacc.mc++; | |
1035 | if (sc & BD_ENET_RX_LG) | |
1036 | ecp->rxeacc.lg++; | |
1037 | if (sc & BD_ENET_RX_NO) | |
1038 | ecp->rxeacc.no++; | |
1039 | if (sc & BD_ENET_RX_SH) | |
1040 | ecp->rxeacc.sh++; | |
1041 | if (sc & BD_ENET_RX_CR) | |
1042 | ecp->rxeacc.cr++; | |
1043 | if (sc & BD_ENET_RX_OV) | |
1044 | ecp->rxeacc.ov++; | |
1045 | if (sc & BD_ENET_RX_CL) | |
1046 | ecp->rxeacc.cl++; | |
1047 | ||
1048 | bdp->cbd_sc &= \ | |
6dfa434e | 1049 | ~BD_ENET_RX_ERRS; |
6dd652fa WD |
1050 | } |
1051 | else { | |
1052 | ushort datlen = bdp->cbd_datlen; | |
1053 | Ethernet_t *ehp; | |
1054 | ushort prot; | |
1055 | int ours, tb, n, nbytes; | |
1056 | ||
1057 | ehp = (Ethernet_t *) \ | |
1058 | &ecp->rxbufs[i][0]; | |
1059 | ||
1060 | ours = memcmp (ehp->et_src, \ | |
1061 | NetOurEther, 6); | |
1062 | ||
1063 | prot = swap16 (ehp->et_protlen); | |
1064 | tb = prot & 0x8000; | |
1065 | n = prot & 0x7fff; | |
1066 | ||
1067 | nbytes = ELBT_BUFSZ - \ | |
1068 | offsetof (Ethernet_t, \ | |
1069 | et_dsap) - \ | |
1070 | ELBT_CRCSZ; | |
1071 | ||
1072 | /* check the frame is correct */ | |
1073 | if (datlen != ELBT_BUFSZ) | |
1074 | ecp->rxeacc.badlen++; | |
1075 | else if (!ours) | |
1076 | ecp->rxeacc.badsrc++; | |
1077 | else if (!tb || n >= ELBT_NTXBD) | |
1078 | ecp->rxeacc.badtyp++; | |
1079 | else { | |
1080 | ulong patword = \ | |
1081 | patwords[n]; | |
1082 | uint nbb; | |
1083 | ||
1084 | nbb = badbits ( \ | |
1085 | &ehp->et_dsap, \ | |
1086 | nbytes, \ | |
1087 | patword); | |
1088 | ||
1089 | ecp->rxeacc.badbit += \ | |
1090 | nbb; | |
1091 | } | |
1092 | } | |
1093 | ||
1094 | if (ecp->state == Closing) | |
1095 | ecp->clstime = get_timer (0); | |
1096 | ||
1097 | /* make it empty again */ | |
1098 | bdp->cbd_sc |= BD_ENET_RX_EMPTY; | |
1099 | } | |
1100 | ||
1101 | if (ecp->state != Closing) | |
1102 | break; | |
1103 | ||
1104 | /* | |
1105 | * (while Closing) check to see if | |
1106 | * waited long enough | |
1107 | */ | |
1108 | ||
1109 | if (get_timer (ecp->clstime) >= ELBT_CLSWAIT) { | |
1110 | /* write GFMR: disable tx/rx */ | |
1111 | fcp->fcc_gfmr &= \ | |
1112 | ~(FCC_GFMR_ENT | FCC_GFMR_ENR); | |
1113 | ecp->state = Closed; | |
1114 | } | |
1115 | ||
1116 | break; | |
1117 | ||
1118 | case Closed: | |
1119 | nclosed++; | |
1120 | break; | |
1121 | } | |
1122 | } | |
1123 | ||
65bd0e28 | 1124 | } while (nclosed < (FCC_END_LOOP - FCC_START_LOOP + 1)); |
6dd652fa WD |
1125 | |
1126 | runtime = get_timer (runtime); | |
1127 | if (runtime <= ELBT_CLSWAIT) { | |
1128 | printf ("Whoops! somehow elapsed time (%ld) is wrong (<= %d)\n", | |
1129 | runtime, ELBT_CLSWAIT); | |
1130 | return; | |
1131 | } | |
1132 | nmsec = runtime - ELBT_CLSWAIT; | |
1133 | ||
1134 | printf ("Test Finished in %ldms (plus %dms close wait period)!\n\n", | |
1135 | nmsec, ELBT_CLSWAIT); | |
1136 | ||
1137 | /* | |
1138 | * now print stats | |
1139 | */ | |
1140 | ||
65bd0e28 | 1141 | for (c = FCC_START_LOOP; c <= FCC_END_LOOP; c++) { |
6dd652fa WD |
1142 | elbt_chan *ecp = &elbt_chans[c]; |
1143 | uint rxpps, txpps, nerr; | |
1144 | ||
1145 | rxpps = (ecp->nrcvd * 1000) / nmsec; | |
1146 | txpps = (ecp->nsent * 1000) / nmsec; | |
1147 | ||
1148 | printf ("Channel %d: %d rcvd (%d pps, %d rxerrs), " | |
1149 | "%d sent (%d pps, %d txerrs)\n\n", c, | |
1150 | ecp->nrcvd, rxpps, ecp->nrxerr, | |
1151 | ecp->nsent, txpps, ecp->ntxerr); | |
1152 | ||
1153 | if ((nerr = ecp->nrxerr) > 0) { | |
1154 | ulong i; | |
1155 | ||
1156 | printf ("\tFirst %d rx errs:", nerr); | |
1157 | for (i = 0; i < nerr; i++) | |
1158 | printf (" %04x", ecp->rxerrs[i]); | |
4b9206ed | 1159 | putc ('\n'); |
6dd652fa WD |
1160 | } |
1161 | ||
1162 | if ((nerr = ecp->ntxerr) > 0) { | |
1163 | ulong i; | |
1164 | ||
1165 | printf ("\tFirst %d tx errs:", nerr); | |
1166 | for (i = 0; i < nerr; i++) | |
1167 | printf (" %04x", ecp->txerrs[i]); | |
4b9206ed | 1168 | putc ('\n'); |
6dd652fa WD |
1169 | } |
1170 | } | |
1171 | ||
1172 | puts ("Receive Error Counts:\n"); | |
65bd0e28 | 1173 | for (c = FCC_START_LOOP; c <= FCC_END_LOOP; c++) |
6dd652fa WD |
1174 | bases[c] = (uchar *)&elbt_chans[c].rxeacc; |
1175 | print_desc (rxeacc_descs, rxeacc_ndesc, bases, 3); | |
1176 | ||
1177 | puts ("\nTransmit Error Counts:\n"); | |
65bd0e28 | 1178 | for (c = FCC_START_LOOP; c <= FCC_END_LOOP; c++) |
6dd652fa WD |
1179 | bases[c] = (uchar *)&elbt_chans[c].txeacc; |
1180 | print_desc (txeacc_descs, txeacc_ndesc, bases, 3); | |
1181 | ||
1182 | puts ("\nRMON(-like) Counters:\n"); | |
65bd0e28 | 1183 | for (c = FCC_START_LOOP; c <= FCC_END_LOOP; c++) |
6dd652fa WD |
1184 | bases[c] = (uchar *)&immr->im_dprambase[elbt_chans[c].proff]; |
1185 | print_desc (epram_descs, epram_ndesc, bases, 3); | |
1186 | } | |
1187 | ||
1188 | #endif /* CONFIG_ETHER_LOOPBACK_TEST */ | |
1189 | ||
068b60a0 | 1190 | #endif |