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86a74ff2 NI |
1 | /* |
2 | * SuperH Ethernet device driver | |
3 | * | |
4 | * Copyright (C) 2006-2008 Nobuhiro Iwamatsu | |
4a55530f | 5 | * Copyright (C) 2008-2011 Renesas Solutions Corp. |
86a74ff2 NI |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify it | |
8 | * under the terms and conditions of the GNU General Public License, | |
9 | * version 2, as published by the Free Software Foundation. | |
10 | * | |
11 | * This program is distributed in the hope it will be useful, but WITHOUT | |
12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
14 | * more details. | |
15 | * You should have received a copy of the GNU General Public License along with | |
16 | * this program; if not, write to the Free Software Foundation, Inc., | |
17 | * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
18 | * | |
19 | * The full GNU General Public License is included in this distribution in | |
20 | * the file called "COPYING". | |
21 | */ | |
22 | ||
23 | #ifndef __SH_ETH_H__ | |
24 | #define __SH_ETH_H__ | |
25 | ||
86a74ff2 NI |
26 | #define CARDNAME "sh-eth" |
27 | #define TX_TIMEOUT (5*HZ) | |
b0ca2a21 NI |
28 | #define TX_RING_SIZE 64 /* Tx ring size */ |
29 | #define RX_RING_SIZE 64 /* Rx ring size */ | |
86a74ff2 NI |
30 | #define ETHERSMALL 60 |
31 | #define PKT_BUF_SZ 1538 | |
6743fe6d YS |
32 | #define SH_ETH_TSU_TIMEOUT_MS 500 |
33 | #define SH_ETH_TSU_CAM_ENTRIES 32 | |
86a74ff2 | 34 | |
4a55530f YS |
35 | enum { |
36 | /* E-DMAC registers */ | |
37 | EDSR = 0, | |
38 | EDMR, | |
39 | EDTRR, | |
40 | EDRRR, | |
41 | EESR, | |
42 | EESIPR, | |
43 | TDLAR, | |
44 | TDFAR, | |
45 | TDFXR, | |
46 | TDFFR, | |
47 | RDLAR, | |
48 | RDFAR, | |
49 | RDFXR, | |
50 | RDFFR, | |
51 | TRSCER, | |
52 | RMFCR, | |
53 | TFTR, | |
54 | FDR, | |
55 | RMCR, | |
56 | EDOCR, | |
57 | TFUCR, | |
58 | RFOCR, | |
59 | FCFTR, | |
60 | RPADIR, | |
61 | TRIMD, | |
62 | RBWAR, | |
63 | TBRAR, | |
64 | ||
65 | /* Ether registers */ | |
66 | ECMR, | |
67 | ECSR, | |
68 | ECSIPR, | |
69 | PIR, | |
70 | PSR, | |
71 | RDMLR, | |
72 | PIPR, | |
73 | RFLR, | |
74 | IPGR, | |
75 | APR, | |
76 | MPR, | |
77 | PFTCR, | |
78 | PFRCR, | |
79 | RFCR, | |
80 | RFCF, | |
81 | TPAUSER, | |
82 | TPAUSECR, | |
83 | BCFR, | |
84 | BCFRR, | |
85 | GECMR, | |
86 | BCULR, | |
87 | MAHR, | |
88 | MALR, | |
89 | TROCR, | |
90 | CDCR, | |
91 | LCCR, | |
92 | CNDCR, | |
93 | CEFCR, | |
94 | FRECR, | |
95 | TSFRCR, | |
96 | TLFRCR, | |
97 | CERCR, | |
98 | CEECR, | |
99 | MAFCR, | |
100 | RTRATE, | |
101 | ||
102 | /* TSU Absolute address */ | |
103 | ARSTR, | |
104 | TSU_CTRST, | |
105 | TSU_FWEN0, | |
106 | TSU_FWEN1, | |
107 | TSU_FCM, | |
108 | TSU_BSYSL0, | |
109 | TSU_BSYSL1, | |
110 | TSU_PRISL0, | |
111 | TSU_PRISL1, | |
112 | TSU_FWSL0, | |
113 | TSU_FWSL1, | |
114 | TSU_FWSLC, | |
115 | TSU_QTAG0, | |
116 | TSU_QTAG1, | |
117 | TSU_QTAGM0, | |
118 | TSU_QTAGM1, | |
119 | TSU_FWSR, | |
120 | TSU_FWINMK, | |
121 | TSU_ADQT0, | |
122 | TSU_ADQT1, | |
123 | TSU_VTAG0, | |
124 | TSU_VTAG1, | |
125 | TSU_ADSBSY, | |
126 | TSU_TEN, | |
127 | TSU_POST1, | |
128 | TSU_POST2, | |
129 | TSU_POST3, | |
130 | TSU_POST4, | |
131 | TSU_ADRH0, | |
132 | TSU_ADRL0, | |
133 | TSU_ADRH31, | |
134 | TSU_ADRL31, | |
135 | ||
136 | TXNLCR0, | |
137 | TXALCR0, | |
138 | RXNLCR0, | |
139 | RXALCR0, | |
140 | FWNLCR0, | |
141 | FWALCR0, | |
142 | TXNLCR1, | |
143 | TXALCR1, | |
144 | RXNLCR1, | |
145 | RXALCR1, | |
146 | FWNLCR1, | |
147 | FWALCR1, | |
148 | ||
149 | /* This value must be written at last. */ | |
150 | SH_ETH_MAX_REGISTER_OFFSET, | |
151 | }; | |
152 | ||
153 | static const u16 sh_eth_offset_gigabit[SH_ETH_MAX_REGISTER_OFFSET] = { | |
154 | [EDSR] = 0x0000, | |
155 | [EDMR] = 0x0400, | |
156 | [EDTRR] = 0x0408, | |
157 | [EDRRR] = 0x0410, | |
158 | [EESR] = 0x0428, | |
159 | [EESIPR] = 0x0430, | |
160 | [TDLAR] = 0x0010, | |
161 | [TDFAR] = 0x0014, | |
162 | [TDFXR] = 0x0018, | |
163 | [TDFFR] = 0x001c, | |
164 | [RDLAR] = 0x0030, | |
165 | [RDFAR] = 0x0034, | |
166 | [RDFXR] = 0x0038, | |
167 | [RDFFR] = 0x003c, | |
168 | [TRSCER] = 0x0438, | |
169 | [RMFCR] = 0x0440, | |
170 | [TFTR] = 0x0448, | |
171 | [FDR] = 0x0450, | |
172 | [RMCR] = 0x0458, | |
173 | [RPADIR] = 0x0460, | |
174 | [FCFTR] = 0x0468, | |
175 | ||
176 | [ECMR] = 0x0500, | |
177 | [ECSR] = 0x0510, | |
178 | [ECSIPR] = 0x0518, | |
179 | [PIR] = 0x0520, | |
180 | [PSR] = 0x0528, | |
181 | [PIPR] = 0x052c, | |
182 | [RFLR] = 0x0508, | |
183 | [APR] = 0x0554, | |
184 | [MPR] = 0x0558, | |
185 | [PFTCR] = 0x055c, | |
186 | [PFRCR] = 0x0560, | |
187 | [TPAUSER] = 0x0564, | |
188 | [GECMR] = 0x05b0, | |
189 | [BCULR] = 0x05b4, | |
190 | [MAHR] = 0x05c0, | |
191 | [MALR] = 0x05c8, | |
192 | [TROCR] = 0x0700, | |
193 | [CDCR] = 0x0708, | |
194 | [LCCR] = 0x0710, | |
195 | [CEFCR] = 0x0740, | |
196 | [FRECR] = 0x0748, | |
197 | [TSFRCR] = 0x0750, | |
198 | [TLFRCR] = 0x0758, | |
199 | [RFCR] = 0x0760, | |
200 | [CERCR] = 0x0768, | |
201 | [CEECR] = 0x0770, | |
202 | [MAFCR] = 0x0778, | |
203 | ||
4986b996 | 204 | [ARSTR] = 0x0000, |
4a55530f YS |
205 | [TSU_CTRST] = 0x0004, |
206 | [TSU_FWEN0] = 0x0010, | |
207 | [TSU_FWEN1] = 0x0014, | |
208 | [TSU_FCM] = 0x0018, | |
209 | [TSU_BSYSL0] = 0x0020, | |
210 | [TSU_BSYSL1] = 0x0024, | |
211 | [TSU_PRISL0] = 0x0028, | |
212 | [TSU_PRISL1] = 0x002c, | |
213 | [TSU_FWSL0] = 0x0030, | |
214 | [TSU_FWSL1] = 0x0034, | |
215 | [TSU_FWSLC] = 0x0038, | |
216 | [TSU_QTAG0] = 0x0040, | |
217 | [TSU_QTAG1] = 0x0044, | |
218 | [TSU_FWSR] = 0x0050, | |
219 | [TSU_FWINMK] = 0x0054, | |
220 | [TSU_ADQT0] = 0x0048, | |
221 | [TSU_ADQT1] = 0x004c, | |
222 | [TSU_VTAG0] = 0x0058, | |
223 | [TSU_VTAG1] = 0x005c, | |
224 | [TSU_ADSBSY] = 0x0060, | |
225 | [TSU_TEN] = 0x0064, | |
226 | [TSU_POST1] = 0x0070, | |
227 | [TSU_POST2] = 0x0074, | |
228 | [TSU_POST3] = 0x0078, | |
229 | [TSU_POST4] = 0x007c, | |
230 | [TSU_ADRH0] = 0x0100, | |
231 | [TSU_ADRL0] = 0x0104, | |
232 | [TSU_ADRH31] = 0x01f8, | |
233 | [TSU_ADRL31] = 0x01fc, | |
234 | ||
235 | [TXNLCR0] = 0x0080, | |
236 | [TXALCR0] = 0x0084, | |
237 | [RXNLCR0] = 0x0088, | |
238 | [RXALCR0] = 0x008c, | |
239 | [FWNLCR0] = 0x0090, | |
240 | [FWALCR0] = 0x0094, | |
241 | [TXNLCR1] = 0x00a0, | |
242 | [TXALCR1] = 0x00a0, | |
243 | [RXNLCR1] = 0x00a8, | |
244 | [RXALCR1] = 0x00ac, | |
245 | [FWNLCR1] = 0x00b0, | |
246 | [FWALCR1] = 0x00b4, | |
247 | }; | |
248 | ||
249 | static const u16 sh_eth_offset_fast_sh4[SH_ETH_MAX_REGISTER_OFFSET] = { | |
250 | [ECMR] = 0x0100, | |
251 | [RFLR] = 0x0108, | |
252 | [ECSR] = 0x0110, | |
253 | [ECSIPR] = 0x0118, | |
254 | [PIR] = 0x0120, | |
255 | [PSR] = 0x0128, | |
256 | [RDMLR] = 0x0140, | |
257 | [IPGR] = 0x0150, | |
258 | [APR] = 0x0154, | |
259 | [MPR] = 0x0158, | |
260 | [TPAUSER] = 0x0164, | |
261 | [RFCF] = 0x0160, | |
262 | [TPAUSECR] = 0x0168, | |
263 | [BCFRR] = 0x016c, | |
264 | [MAHR] = 0x01c0, | |
265 | [MALR] = 0x01c8, | |
266 | [TROCR] = 0x01d0, | |
267 | [CDCR] = 0x01d4, | |
268 | [LCCR] = 0x01d8, | |
269 | [CNDCR] = 0x01dc, | |
270 | [CEFCR] = 0x01e4, | |
271 | [FRECR] = 0x01e8, | |
272 | [TSFRCR] = 0x01ec, | |
273 | [TLFRCR] = 0x01f0, | |
274 | [RFCR] = 0x01f4, | |
275 | [MAFCR] = 0x01f8, | |
276 | [RTRATE] = 0x01fc, | |
277 | ||
278 | [EDMR] = 0x0000, | |
279 | [EDTRR] = 0x0008, | |
280 | [EDRRR] = 0x0010, | |
281 | [TDLAR] = 0x0018, | |
282 | [RDLAR] = 0x0020, | |
283 | [EESR] = 0x0028, | |
284 | [EESIPR] = 0x0030, | |
285 | [TRSCER] = 0x0038, | |
286 | [RMFCR] = 0x0040, | |
287 | [TFTR] = 0x0048, | |
288 | [FDR] = 0x0050, | |
289 | [RMCR] = 0x0058, | |
290 | [TFUCR] = 0x0064, | |
291 | [RFOCR] = 0x0068, | |
292 | [FCFTR] = 0x0070, | |
293 | [RPADIR] = 0x0078, | |
294 | [TRIMD] = 0x007c, | |
295 | [RBWAR] = 0x00c8, | |
296 | [RDFAR] = 0x00cc, | |
297 | [TBRAR] = 0x00d4, | |
298 | [TDFAR] = 0x00d8, | |
299 | }; | |
300 | ||
301 | static const u16 sh_eth_offset_fast_sh3_sh2[SH_ETH_MAX_REGISTER_OFFSET] = { | |
302 | [ECMR] = 0x0160, | |
303 | [ECSR] = 0x0164, | |
304 | [ECSIPR] = 0x0168, | |
305 | [PIR] = 0x016c, | |
306 | [MAHR] = 0x0170, | |
307 | [MALR] = 0x0174, | |
308 | [RFLR] = 0x0178, | |
309 | [PSR] = 0x017c, | |
310 | [TROCR] = 0x0180, | |
311 | [CDCR] = 0x0184, | |
312 | [LCCR] = 0x0188, | |
313 | [CNDCR] = 0x018c, | |
314 | [CEFCR] = 0x0194, | |
315 | [FRECR] = 0x0198, | |
316 | [TSFRCR] = 0x019c, | |
317 | [TLFRCR] = 0x01a0, | |
318 | [RFCR] = 0x01a4, | |
319 | [MAFCR] = 0x01a8, | |
320 | [IPGR] = 0x01b4, | |
321 | [APR] = 0x01b8, | |
322 | [MPR] = 0x01bc, | |
323 | [TPAUSER] = 0x01c4, | |
324 | [BCFR] = 0x01cc, | |
325 | ||
4986b996 | 326 | [ARSTR] = 0x0000, |
4a55530f YS |
327 | [TSU_CTRST] = 0x0004, |
328 | [TSU_FWEN0] = 0x0010, | |
329 | [TSU_FWEN1] = 0x0014, | |
330 | [TSU_FCM] = 0x0018, | |
331 | [TSU_BSYSL0] = 0x0020, | |
332 | [TSU_BSYSL1] = 0x0024, | |
333 | [TSU_PRISL0] = 0x0028, | |
334 | [TSU_PRISL1] = 0x002c, | |
335 | [TSU_FWSL0] = 0x0030, | |
336 | [TSU_FWSL1] = 0x0034, | |
337 | [TSU_FWSLC] = 0x0038, | |
338 | [TSU_QTAGM0] = 0x0040, | |
339 | [TSU_QTAGM1] = 0x0044, | |
340 | [TSU_ADQT0] = 0x0048, | |
341 | [TSU_ADQT1] = 0x004c, | |
342 | [TSU_FWSR] = 0x0050, | |
343 | [TSU_FWINMK] = 0x0054, | |
344 | [TSU_ADSBSY] = 0x0060, | |
345 | [TSU_TEN] = 0x0064, | |
346 | [TSU_POST1] = 0x0070, | |
347 | [TSU_POST2] = 0x0074, | |
348 | [TSU_POST3] = 0x0078, | |
349 | [TSU_POST4] = 0x007c, | |
350 | ||
351 | [TXNLCR0] = 0x0080, | |
352 | [TXALCR0] = 0x0084, | |
353 | [RXNLCR0] = 0x0088, | |
354 | [RXALCR0] = 0x008c, | |
355 | [FWNLCR0] = 0x0090, | |
356 | [FWALCR0] = 0x0094, | |
357 | [TXNLCR1] = 0x00a0, | |
358 | [TXALCR1] = 0x00a0, | |
359 | [RXNLCR1] = 0x00a8, | |
360 | [RXALCR1] = 0x00ac, | |
361 | [FWNLCR1] = 0x00b0, | |
362 | [FWALCR1] = 0x00b4, | |
363 | ||
364 | [TSU_ADRH0] = 0x0100, | |
365 | [TSU_ADRL0] = 0x0104, | |
366 | [TSU_ADRL31] = 0x01fc, | |
367 | ||
368 | }; | |
369 | ||
380af9e3 YS |
370 | /* Driver's parameters */ |
371 | #if defined(CONFIG_CPU_SH4) | |
372 | #define SH4_SKB_RX_ALIGN 32 | |
373 | #else | |
374 | #define SH2_SH3_SKB_RX_ALIGN 2 | |
375 | #endif | |
376 | ||
b0ca2a21 NI |
377 | /* |
378 | * Register's bits | |
379 | */ | |
380 | #ifdef CONFIG_CPU_SUBTYPE_SH7763 | |
381 | /* EDSR */ | |
382 | enum EDSR_BIT { | |
383 | EDSR_ENT = 0x01, EDSR_ENR = 0x02, | |
384 | }; | |
385 | #define EDSR_ENALL (EDSR_ENT|EDSR_ENR) | |
386 | ||
387 | /* GECMR */ | |
388 | enum GECMR_BIT { | |
389 | GECMR_10 = 0x0, GECMR_100 = 0x04, GECMR_1000 = 0x01, | |
390 | }; | |
391 | #endif | |
86a74ff2 NI |
392 | |
393 | /* EDMR */ | |
394 | enum DMAC_M_BIT { | |
380af9e3 | 395 | EDMR_EL = 0x40, /* Litte endian */ |
b0ca2a21 | 396 | EDMR_DL1 = 0x20, EDMR_DL0 = 0x10, |
c5ed5368 YS |
397 | EDMR_SRST_GETHER = 0x03, |
398 | EDMR_SRST_ETHER = 0x01, | |
86a74ff2 NI |
399 | }; |
400 | ||
401 | /* EDTRR */ | |
402 | enum DMAC_T_BIT { | |
c5ed5368 YS |
403 | EDTRR_TRNS_GETHER = 0x03, |
404 | EDTRR_TRNS_ETHER = 0x01, | |
86a74ff2 NI |
405 | }; |
406 | ||
407 | /* EDRRR*/ | |
408 | enum EDRRR_R_BIT { | |
409 | EDRRR_R = 0x01, | |
410 | }; | |
411 | ||
412 | /* TPAUSER */ | |
413 | enum TPAUSER_BIT { | |
414 | TPAUSER_TPAUSE = 0x0000ffff, | |
415 | TPAUSER_UNLIMITED = 0, | |
416 | }; | |
417 | ||
418 | /* BCFR */ | |
419 | enum BCFR_BIT { | |
420 | BCFR_RPAUSE = 0x0000ffff, | |
421 | BCFR_UNLIMITED = 0, | |
422 | }; | |
423 | ||
424 | /* PIR */ | |
425 | enum PIR_BIT { | |
426 | PIR_MDI = 0x08, PIR_MDO = 0x04, PIR_MMD = 0x02, PIR_MDC = 0x01, | |
427 | }; | |
428 | ||
429 | /* PSR */ | |
430 | enum PHY_STATUS_BIT { PHY_ST_LINK = 0x01, }; | |
431 | ||
432 | /* EESR */ | |
433 | enum EESR_BIT { | |
380af9e3 YS |
434 | EESR_TWB1 = 0x80000000, |
435 | EESR_TWB = 0x40000000, /* same as TWB0 */ | |
436 | EESR_TC1 = 0x20000000, | |
437 | EESR_TUC = 0x10000000, | |
438 | EESR_ROC = 0x08000000, | |
439 | EESR_TABT = 0x04000000, | |
440 | EESR_RABT = 0x02000000, | |
441 | EESR_RFRMER = 0x01000000, /* same as RFCOF */ | |
442 | EESR_ADE = 0x00800000, | |
443 | EESR_ECI = 0x00400000, | |
444 | EESR_FTC = 0x00200000, /* same as TC or TC0 */ | |
445 | EESR_TDE = 0x00100000, | |
446 | EESR_TFE = 0x00080000, /* same as TFUF */ | |
447 | EESR_FRC = 0x00040000, /* same as FR */ | |
448 | EESR_RDE = 0x00020000, | |
449 | EESR_RFE = 0x00010000, | |
450 | EESR_CND = 0x00000800, | |
451 | EESR_DLC = 0x00000400, | |
452 | EESR_CD = 0x00000200, | |
453 | EESR_RTO = 0x00000100, | |
454 | EESR_RMAF = 0x00000080, | |
455 | EESR_CEEF = 0x00000040, | |
456 | EESR_CELF = 0x00000020, | |
457 | EESR_RRF = 0x00000010, | |
458 | EESR_RTLF = 0x00000008, | |
459 | EESR_RTSF = 0x00000004, | |
460 | EESR_PRE = 0x00000002, | |
461 | EESR_CERF = 0x00000001, | |
462 | }; | |
463 | ||
464 | #define DEFAULT_TX_CHECK (EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | \ | |
465 | EESR_RTO) | |
466 | #define DEFAULT_EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | \ | |
467 | EESR_RDE | EESR_RFRMER | EESR_ADE | \ | |
468 | EESR_TFE | EESR_TDE | EESR_ECI) | |
469 | #define DEFAULT_TX_ERROR_CHECK (EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | \ | |
470 | EESR_TFE) | |
86a74ff2 NI |
471 | |
472 | /* EESIPR */ | |
473 | enum DMAC_IM_BIT { | |
474 | DMAC_M_TWB = 0x40000000, DMAC_M_TABT = 0x04000000, | |
475 | DMAC_M_RABT = 0x02000000, | |
476 | DMAC_M_RFRMER = 0x01000000, DMAC_M_ADF = 0x00800000, | |
477 | DMAC_M_ECI = 0x00400000, DMAC_M_FTC = 0x00200000, | |
478 | DMAC_M_TDE = 0x00100000, DMAC_M_TFE = 0x00080000, | |
479 | DMAC_M_FRC = 0x00040000, DMAC_M_RDE = 0x00020000, | |
480 | DMAC_M_RFE = 0x00010000, DMAC_M_TINT4 = 0x00000800, | |
481 | DMAC_M_TINT3 = 0x00000400, DMAC_M_TINT2 = 0x00000200, | |
482 | DMAC_M_TINT1 = 0x00000100, DMAC_M_RINT8 = 0x00000080, | |
483 | DMAC_M_RINT5 = 0x00000010, DMAC_M_RINT4 = 0x00000008, | |
484 | DMAC_M_RINT3 = 0x00000004, DMAC_M_RINT2 = 0x00000002, | |
485 | DMAC_M_RINT1 = 0x00000001, | |
486 | }; | |
487 | ||
488 | /* Receive descriptor bit */ | |
489 | enum RD_STS_BIT { | |
b0ca2a21 NI |
490 | RD_RACT = 0x80000000, RD_RDEL = 0x40000000, |
491 | RD_RFP1 = 0x20000000, RD_RFP0 = 0x10000000, | |
86a74ff2 NI |
492 | RD_RFE = 0x08000000, RD_RFS10 = 0x00000200, |
493 | RD_RFS9 = 0x00000100, RD_RFS8 = 0x00000080, | |
494 | RD_RFS7 = 0x00000040, RD_RFS6 = 0x00000020, | |
495 | RD_RFS5 = 0x00000010, RD_RFS4 = 0x00000008, | |
496 | RD_RFS3 = 0x00000004, RD_RFS2 = 0x00000002, | |
497 | RD_RFS1 = 0x00000001, | |
498 | }; | |
b0ca2a21 NI |
499 | #define RDF1ST RD_RFP1 |
500 | #define RDFEND RD_RFP0 | |
501 | #define RD_RFP (RD_RFP1|RD_RFP0) | |
86a74ff2 NI |
502 | |
503 | /* FCFTR */ | |
504 | enum FCFTR_BIT { | |
505 | FCFTR_RFF2 = 0x00040000, FCFTR_RFF1 = 0x00020000, | |
506 | FCFTR_RFF0 = 0x00010000, FCFTR_RFD2 = 0x00000004, | |
507 | FCFTR_RFD1 = 0x00000002, FCFTR_RFD0 = 0x00000001, | |
508 | }; | |
380af9e3 YS |
509 | #define DEFAULT_FIFO_F_D_RFF (FCFTR_RFF2 | FCFTR_RFF1 | FCFTR_RFF0) |
510 | #define DEFAULT_FIFO_F_D_RFD (FCFTR_RFD2 | FCFTR_RFD1 | FCFTR_RFD0) | |
86a74ff2 NI |
511 | |
512 | /* Transfer descriptor bit */ | |
513 | enum TD_STS_BIT { | |
b0ca2a21 NI |
514 | TD_TACT = 0x80000000, |
515 | TD_TDLE = 0x40000000, TD_TFP1 = 0x20000000, | |
86a74ff2 NI |
516 | TD_TFP0 = 0x10000000, |
517 | }; | |
518 | #define TDF1ST TD_TFP1 | |
519 | #define TDFEND TD_TFP0 | |
520 | #define TD_TFP (TD_TFP1|TD_TFP0) | |
521 | ||
522 | /* RMCR */ | |
380af9e3 YS |
523 | #define DEFAULT_RMCR_VALUE 0x00000000 |
524 | ||
86a74ff2 NI |
525 | /* ECMR */ |
526 | enum FELIC_MODE_BIT { | |
b0ca2a21 NI |
527 | ECMR_TRCCM = 0x04000000, ECMR_RCSC = 0x00800000, |
528 | ECMR_DPAD = 0x00200000, ECMR_RZPF = 0x00100000, | |
86a74ff2 NI |
529 | ECMR_ZPF = 0x00080000, ECMR_PFR = 0x00040000, ECMR_RXF = 0x00020000, |
530 | ECMR_TXF = 0x00010000, ECMR_MCT = 0x00002000, ECMR_PRCEF = 0x00001000, | |
531 | ECMR_PMDE = 0x00000200, ECMR_RE = 0x00000040, ECMR_TE = 0x00000020, | |
65ac8851 | 532 | ECMR_RTM = 0x00000010, ECMR_ILB = 0x00000008, ECMR_ELB = 0x00000004, |
380af9e3 | 533 | ECMR_DM = 0x00000002, ECMR_PRM = 0x00000001, |
86a74ff2 NI |
534 | }; |
535 | ||
536 | /* ECSR */ | |
537 | enum ECSR_STATUS_BIT { | |
b0ca2a21 | 538 | ECSR_BRCRX = 0x20, ECSR_PSRTO = 0x10, |
b0ca2a21 | 539 | ECSR_LCHNG = 0x04, |
86a74ff2 NI |
540 | ECSR_MPD = 0x02, ECSR_ICD = 0x01, |
541 | }; | |
542 | ||
380af9e3 YS |
543 | #define DEFAULT_ECSR_INIT (ECSR_BRCRX | ECSR_PSRTO | ECSR_LCHNG | \ |
544 | ECSR_ICD | ECSIPR_MPDIP) | |
b0ca2a21 | 545 | |
86a74ff2 NI |
546 | /* ECSIPR */ |
547 | enum ECSIPR_STATUS_MASK_BIT { | |
b0ca2a21 | 548 | ECSIPR_BRCRXIP = 0x20, ECSIPR_PSRTOIP = 0x10, |
b0ca2a21 | 549 | ECSIPR_LCHNGIP = 0x04, |
86a74ff2 NI |
550 | ECSIPR_MPDIP = 0x02, ECSIPR_ICDIP = 0x01, |
551 | }; | |
552 | ||
380af9e3 YS |
553 | #define DEFAULT_ECSIPR_INIT (ECSIPR_BRCRXIP | ECSIPR_PSRTOIP | \ |
554 | ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP) | |
b0ca2a21 | 555 | |
86a74ff2 NI |
556 | /* APR */ |
557 | enum APR_BIT { | |
558 | APR_AP = 0x00000001, | |
559 | }; | |
560 | ||
561 | /* MPR */ | |
562 | enum MPR_BIT { | |
563 | MPR_MP = 0x00000001, | |
564 | }; | |
565 | ||
566 | /* TRSCER */ | |
567 | enum DESC_I_BIT { | |
568 | DESC_I_TINT4 = 0x0800, DESC_I_TINT3 = 0x0400, DESC_I_TINT2 = 0x0200, | |
569 | DESC_I_TINT1 = 0x0100, DESC_I_RINT8 = 0x0080, DESC_I_RINT5 = 0x0010, | |
570 | DESC_I_RINT4 = 0x0008, DESC_I_RINT3 = 0x0004, DESC_I_RINT2 = 0x0002, | |
571 | DESC_I_RINT1 = 0x0001, | |
572 | }; | |
573 | ||
574 | /* RPADIR */ | |
575 | enum RPADIR_BIT { | |
576 | RPADIR_PADS1 = 0x20000, RPADIR_PADS0 = 0x10000, | |
577 | RPADIR_PADR = 0x0003f, | |
578 | }; | |
579 | ||
580 | /* FDR */ | |
380af9e3 YS |
581 | #define DEFAULT_FDR_INIT 0x00000707 |
582 | ||
86a74ff2 NI |
583 | enum phy_offsets { |
584 | PHY_CTRL = 0, PHY_STAT = 1, PHY_IDT1 = 2, PHY_IDT2 = 3, | |
585 | PHY_ANA = 4, PHY_ANL = 5, PHY_ANE = 6, | |
586 | PHY_16 = 16, | |
587 | }; | |
588 | ||
589 | /* PHY_CTRL */ | |
590 | enum PHY_CTRL_BIT { | |
591 | PHY_C_RESET = 0x8000, PHY_C_LOOPBK = 0x4000, PHY_C_SPEEDSL = 0x2000, | |
592 | PHY_C_ANEGEN = 0x1000, PHY_C_PWRDN = 0x0800, PHY_C_ISO = 0x0400, | |
593 | PHY_C_RANEG = 0x0200, PHY_C_DUPLEX = 0x0100, PHY_C_COLT = 0x0080, | |
594 | }; | |
595 | #define DM9161_PHY_C_ANEGEN 0 /* auto nego special */ | |
596 | ||
597 | /* PHY_STAT */ | |
598 | enum PHY_STAT_BIT { | |
599 | PHY_S_100T4 = 0x8000, PHY_S_100X_F = 0x4000, PHY_S_100X_H = 0x2000, | |
600 | PHY_S_10T_F = 0x1000, PHY_S_10T_H = 0x0800, PHY_S_ANEGC = 0x0020, | |
601 | PHY_S_RFAULT = 0x0010, PHY_S_ANEGA = 0x0008, PHY_S_LINK = 0x0004, | |
602 | PHY_S_JAB = 0x0002, PHY_S_EXTD = 0x0001, | |
603 | }; | |
604 | ||
605 | /* PHY_ANA */ | |
606 | enum PHY_ANA_BIT { | |
607 | PHY_A_NP = 0x8000, PHY_A_ACK = 0x4000, PHY_A_RF = 0x2000, | |
608 | PHY_A_FCS = 0x0400, PHY_A_T4 = 0x0200, PHY_A_FDX = 0x0100, | |
609 | PHY_A_HDX = 0x0080, PHY_A_10FDX = 0x0040, PHY_A_10HDX = 0x0020, | |
b0ca2a21 | 610 | PHY_A_SEL = 0x001e, |
86a74ff2 NI |
611 | }; |
612 | /* PHY_ANL */ | |
613 | enum PHY_ANL_BIT { | |
614 | PHY_L_NP = 0x8000, PHY_L_ACK = 0x4000, PHY_L_RF = 0x2000, | |
615 | PHY_L_FCS = 0x0400, PHY_L_T4 = 0x0200, PHY_L_FDX = 0x0100, | |
616 | PHY_L_HDX = 0x0080, PHY_L_10FDX = 0x0040, PHY_L_10HDX = 0x0020, | |
617 | PHY_L_SEL = 0x001f, | |
618 | }; | |
619 | ||
620 | /* PHY_ANE */ | |
621 | enum PHY_ANE_BIT { | |
622 | PHY_E_PDF = 0x0010, PHY_E_LPNPA = 0x0008, PHY_E_NPA = 0x0004, | |
623 | PHY_E_PRX = 0x0002, PHY_E_LPANEGA = 0x0001, | |
624 | }; | |
625 | ||
626 | /* DM9161 */ | |
627 | enum PHY_16_BIT { | |
628 | PHY_16_BP4B45 = 0x8000, PHY_16_BPSCR = 0x4000, PHY_16_BPALIGN = 0x2000, | |
629 | PHY_16_BP_ADPOK = 0x1000, PHY_16_Repeatmode = 0x0800, | |
630 | PHY_16_TXselect = 0x0400, | |
631 | PHY_16_Rsvd = 0x0200, PHY_16_RMIIEnable = 0x0100, | |
632 | PHY_16_Force100LNK = 0x0080, | |
633 | PHY_16_APDLED_CTL = 0x0040, PHY_16_COLLED_CTL = 0x0020, | |
634 | PHY_16_RPDCTR_EN = 0x0010, | |
635 | PHY_16_ResetStMch = 0x0008, PHY_16_PreamSupr = 0x0004, | |
636 | PHY_16_Sleepmode = 0x0002, | |
637 | PHY_16_RemoteLoopOut = 0x0001, | |
638 | }; | |
639 | ||
640 | #define POST_RX 0x08 | |
641 | #define POST_FW 0x04 | |
642 | #define POST0_RX (POST_RX) | |
643 | #define POST0_FW (POST_FW) | |
644 | #define POST1_RX (POST_RX >> 2) | |
645 | #define POST1_FW (POST_FW >> 2) | |
646 | #define POST_ALL (POST0_RX | POST0_FW | POST1_RX | POST1_FW) | |
647 | ||
648 | /* ARSTR */ | |
649 | enum ARSTR_BIT { ARSTR_ARSTR = 0x00000001, }; | |
650 | ||
651 | /* TSU_FWEN0 */ | |
652 | enum TSU_FWEN0_BIT { | |
653 | TSU_FWEN0_0 = 0x00000001, | |
654 | }; | |
655 | ||
656 | /* TSU_ADSBSY */ | |
657 | enum TSU_ADSBSY_BIT { | |
658 | TSU_ADSBSY_0 = 0x00000001, | |
659 | }; | |
660 | ||
661 | /* TSU_TEN */ | |
662 | enum TSU_TEN_BIT { | |
663 | TSU_TEN_0 = 0x80000000, | |
664 | }; | |
665 | ||
666 | /* TSU_FWSL0 */ | |
667 | enum TSU_FWSL0_BIT { | |
668 | TSU_FWSL0_FW50 = 0x1000, TSU_FWSL0_FW40 = 0x0800, | |
669 | TSU_FWSL0_FW30 = 0x0400, TSU_FWSL0_FW20 = 0x0200, | |
670 | TSU_FWSL0_FW10 = 0x0100, TSU_FWSL0_RMSA0 = 0x0010, | |
671 | }; | |
672 | ||
673 | /* TSU_FWSLC */ | |
674 | enum TSU_FWSLC_BIT { | |
675 | TSU_FWSLC_POSTENU = 0x2000, TSU_FWSLC_POSTENL = 0x1000, | |
676 | TSU_FWSLC_CAMSEL03 = 0x0080, TSU_FWSLC_CAMSEL02 = 0x0040, | |
677 | TSU_FWSLC_CAMSEL01 = 0x0020, TSU_FWSLC_CAMSEL00 = 0x0010, | |
678 | TSU_FWSLC_CAMSEL13 = 0x0008, TSU_FWSLC_CAMSEL12 = 0x0004, | |
679 | TSU_FWSLC_CAMSEL11 = 0x0002, TSU_FWSLC_CAMSEL10 = 0x0001, | |
680 | }; | |
681 | ||
71cc7c37 YS |
682 | /* TSU_VTAGn */ |
683 | #define TSU_VTAG_ENABLE 0x80000000 | |
684 | #define TSU_VTAG_VID_MASK 0x00000fff | |
685 | ||
86a74ff2 NI |
686 | /* |
687 | * The sh ether Tx buffer descriptors. | |
688 | * This structure should be 20 bytes. | |
689 | */ | |
690 | struct sh_eth_txdesc { | |
691 | u32 status; /* TD0 */ | |
692 | #if defined(CONFIG_CPU_LITTLE_ENDIAN) | |
693 | u16 pad0; /* TD1 */ | |
694 | u16 buffer_length; /* TD1 */ | |
695 | #else | |
696 | u16 buffer_length; /* TD1 */ | |
697 | u16 pad0; /* TD1 */ | |
698 | #endif | |
699 | u32 addr; /* TD2 */ | |
700 | u32 pad1; /* padding data */ | |
71557a37 | 701 | } __attribute__((aligned(2), packed)); |
86a74ff2 NI |
702 | |
703 | /* | |
704 | * The sh ether Rx buffer descriptors. | |
705 | * This structure should be 20 bytes. | |
706 | */ | |
707 | struct sh_eth_rxdesc { | |
708 | u32 status; /* RD0 */ | |
709 | #if defined(CONFIG_CPU_LITTLE_ENDIAN) | |
710 | u16 frame_length; /* RD1 */ | |
711 | u16 buffer_length; /* RD1 */ | |
712 | #else | |
713 | u16 buffer_length; /* RD1 */ | |
714 | u16 frame_length; /* RD1 */ | |
715 | #endif | |
716 | u32 addr; /* RD2 */ | |
717 | u32 pad0; /* padding data */ | |
71557a37 | 718 | } __attribute__((aligned(2), packed)); |
86a74ff2 | 719 | |
380af9e3 YS |
720 | /* This structure is used by each CPU dependency handling. */ |
721 | struct sh_eth_cpu_data { | |
722 | /* optional functions */ | |
723 | void (*chip_reset)(struct net_device *ndev); | |
724 | void (*set_duplex)(struct net_device *ndev); | |
725 | void (*set_rate)(struct net_device *ndev); | |
726 | ||
727 | /* mandatory initialize value */ | |
728 | unsigned long eesipr_value; | |
729 | ||
730 | /* optional initialize value */ | |
731 | unsigned long ecsr_value; | |
732 | unsigned long ecsipr_value; | |
733 | unsigned long fdr_value; | |
734 | unsigned long fcftr_value; | |
735 | unsigned long rpadir_value; | |
736 | unsigned long rmcr_value; | |
737 | ||
738 | /* interrupt checking mask */ | |
739 | unsigned long tx_check; | |
740 | unsigned long eesr_err_check; | |
741 | unsigned long tx_error_check; | |
742 | ||
743 | /* hardware features */ | |
744 | unsigned no_psr:1; /* EtherC DO NOT have PSR */ | |
745 | unsigned apr:1; /* EtherC have APR */ | |
746 | unsigned mpr:1; /* EtherC have MPR */ | |
747 | unsigned tpauser:1; /* EtherC have TPAUSER */ | |
748 | unsigned bculr:1; /* EtherC have BCULR */ | |
4986b996 | 749 | unsigned tsu:1; /* EtherC have TSU */ |
380af9e3 YS |
750 | unsigned hw_swap:1; /* E-DMAC have DE bit in EDMR */ |
751 | unsigned rpadir:1; /* E-DMAC have RPADIR */ | |
752 | unsigned no_trimd:1; /* E-DMAC DO NOT have TRIMD */ | |
753 | unsigned no_ade:1; /* E-DMAC DO NOT have ADE bit in EESR */ | |
754 | }; | |
755 | ||
86a74ff2 | 756 | struct sh_eth_private { |
bcd5149d | 757 | struct platform_device *pdev; |
380af9e3 | 758 | struct sh_eth_cpu_data *cd; |
4a55530f | 759 | const u16 *reg_offset; |
ae70644d | 760 | void __iomem *addr; |
4a55530f | 761 | void __iomem *tsu_addr; |
86a74ff2 NI |
762 | dma_addr_t rx_desc_dma; |
763 | dma_addr_t tx_desc_dma; | |
764 | struct sh_eth_rxdesc *rx_ring; | |
765 | struct sh_eth_txdesc *tx_ring; | |
766 | struct sk_buff **rx_skbuff; | |
767 | struct sk_buff **tx_skbuff; | |
86a74ff2 NI |
768 | struct timer_list timer; |
769 | spinlock_t lock; | |
770 | u32 cur_rx, dirty_rx; /* Producer/consumer ring indices */ | |
771 | u32 cur_tx, dirty_tx; | |
772 | u32 rx_buf_sz; /* Based on MTU+slack. */ | |
71557a37 | 773 | int edmac_endian; |
86a74ff2 NI |
774 | /* MII transceiver section. */ |
775 | u32 phy_id; /* PHY ID */ | |
776 | struct mii_bus *mii_bus; /* MDIO bus control */ | |
777 | struct phy_device *phydev; /* PHY device control */ | |
778 | enum phy_state link; | |
e47c9052 | 779 | phy_interface_t phy_interface; |
86a74ff2 NI |
780 | int msg_enable; |
781 | int speed; | |
782 | int duplex; | |
783 | u32 rx_int_var, tx_int_var; /* interrupt control variables */ | |
784 | char post_rx; /* POST receive */ | |
785 | char post_fw; /* POST forward */ | |
786 | struct net_device_stats tsu_stats; /* TSU forward status */ | |
6743fe6d | 787 | int port; /* for TSU */ |
71cc7c37 | 788 | int vlan_num_ids; /* for VLAN tag filter */ |
4923576b YS |
789 | |
790 | unsigned no_ether_link:1; | |
791 | unsigned ether_link_active_low:1; | |
86a74ff2 NI |
792 | }; |
793 | ||
380af9e3 | 794 | static inline void sh_eth_soft_swap(char *src, int len) |
86a74ff2 NI |
795 | { |
796 | #ifdef __LITTLE_ENDIAN__ | |
797 | u32 *p = (u32 *)src; | |
798 | u32 *maxp; | |
799 | maxp = p + ((len + sizeof(u32) - 1) / sizeof(u32)); | |
800 | ||
801 | for (; p < maxp; p++) | |
802 | *p = swab32(*p); | |
803 | #endif | |
804 | } | |
380af9e3 | 805 | |
4a55530f YS |
806 | static inline void sh_eth_write(struct net_device *ndev, unsigned long data, |
807 | int enum_index) | |
808 | { | |
809 | struct sh_eth_private *mdp = netdev_priv(ndev); | |
810 | ||
ae70644d | 811 | iowrite32(data, mdp->addr + mdp->reg_offset[enum_index]); |
4a55530f YS |
812 | } |
813 | ||
814 | static inline unsigned long sh_eth_read(struct net_device *ndev, | |
815 | int enum_index) | |
816 | { | |
817 | struct sh_eth_private *mdp = netdev_priv(ndev); | |
818 | ||
ae70644d | 819 | return ioread32(mdp->addr + mdp->reg_offset[enum_index]); |
4a55530f YS |
820 | } |
821 | ||
6743fe6d YS |
822 | static inline void *sh_eth_tsu_get_offset(struct sh_eth_private *mdp, |
823 | int enum_index) | |
824 | { | |
825 | return mdp->tsu_addr + mdp->reg_offset[enum_index]; | |
826 | } | |
827 | ||
4a55530f YS |
828 | static inline void sh_eth_tsu_write(struct sh_eth_private *mdp, |
829 | unsigned long data, int enum_index) | |
830 | { | |
ae70644d | 831 | iowrite32(data, mdp->tsu_addr + mdp->reg_offset[enum_index]); |
4a55530f YS |
832 | } |
833 | ||
834 | static inline unsigned long sh_eth_tsu_read(struct sh_eth_private *mdp, | |
835 | int enum_index) | |
836 | { | |
ae70644d | 837 | return ioread32(mdp->tsu_addr + mdp->reg_offset[enum_index]); |
4a55530f YS |
838 | } |
839 | ||
380af9e3 | 840 | #endif /* #ifndef __SH_ETH_H__ */ |