1 /* 2 * SuperH Ethernet device driver 3 * 4 * Copyright (C) 2006-2012 Nobuhiro Iwamatsu 5 * Copyright (C) 2008-2012 Renesas Solutions Corp. 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 26 #define CARDNAME "sh-eth" 27 #define TX_TIMEOUT (5*HZ) 28 #define TX_RING_SIZE 64 /* Tx ring size */ 29 #define RX_RING_SIZE 64 /* Rx ring size */ 30 #define ETHERSMALL 60 31 #define PKT_BUF_SZ 1538 32 #define SH_ETH_TSU_TIMEOUT_MS 500 33 #define SH_ETH_TSU_CAM_ENTRIES 32 34 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 CSMR, 102 RMII_MII, 103 104 /* TSU Absolute address */ 105 ARSTR, 106 TSU_CTRST, 107 TSU_FWEN0, 108 TSU_FWEN1, 109 TSU_FCM, 110 TSU_BSYSL0, 111 TSU_BSYSL1, 112 TSU_PRISL0, 113 TSU_PRISL1, 114 TSU_FWSL0, 115 TSU_FWSL1, 116 TSU_FWSLC, 117 TSU_QTAG0, 118 TSU_QTAG1, 119 TSU_QTAGM0, 120 TSU_QTAGM1, 121 TSU_FWSR, 122 TSU_FWINMK, 123 TSU_ADQT0, 124 TSU_ADQT1, 125 TSU_VTAG0, 126 TSU_VTAG1, 127 TSU_ADSBSY, 128 TSU_TEN, 129 TSU_POST1, 130 TSU_POST2, 131 TSU_POST3, 132 TSU_POST4, 133 TSU_ADRH0, 134 TSU_ADRL0, 135 TSU_ADRH31, 136 TSU_ADRL31, 137 138 TXNLCR0, 139 TXALCR0, 140 RXNLCR0, 141 RXALCR0, 142 FWNLCR0, 143 FWALCR0, 144 TXNLCR1, 145 TXALCR1, 146 RXNLCR1, 147 RXALCR1, 148 FWNLCR1, 149 FWALCR1, 150 151 /* This value must be written at last. */ 152 SH_ETH_MAX_REGISTER_OFFSET, 153 }; 154 155 static const u16 sh_eth_offset_gigabit[SH_ETH_MAX_REGISTER_OFFSET] = { 156 [EDSR] = 0x0000, 157 [EDMR] = 0x0400, 158 [EDTRR] = 0x0408, 159 [EDRRR] = 0x0410, 160 [EESR] = 0x0428, 161 [EESIPR] = 0x0430, 162 [TDLAR] = 0x0010, 163 [TDFAR] = 0x0014, 164 [TDFXR] = 0x0018, 165 [TDFFR] = 0x001c, 166 [RDLAR] = 0x0030, 167 [RDFAR] = 0x0034, 168 [RDFXR] = 0x0038, 169 [RDFFR] = 0x003c, 170 [TRSCER] = 0x0438, 171 [RMFCR] = 0x0440, 172 [TFTR] = 0x0448, 173 [FDR] = 0x0450, 174 [RMCR] = 0x0458, 175 [RPADIR] = 0x0460, 176 [FCFTR] = 0x0468, 177 [CSMR] = 0x04E4, 178 179 [ECMR] = 0x0500, 180 [ECSR] = 0x0510, 181 [ECSIPR] = 0x0518, 182 [PIR] = 0x0520, 183 [PSR] = 0x0528, 184 [PIPR] = 0x052c, 185 [RFLR] = 0x0508, 186 [APR] = 0x0554, 187 [MPR] = 0x0558, 188 [PFTCR] = 0x055c, 189 [PFRCR] = 0x0560, 190 [TPAUSER] = 0x0564, 191 [GECMR] = 0x05b0, 192 [BCULR] = 0x05b4, 193 [MAHR] = 0x05c0, 194 [MALR] = 0x05c8, 195 [TROCR] = 0x0700, 196 [CDCR] = 0x0708, 197 [LCCR] = 0x0710, 198 [CEFCR] = 0x0740, 199 [FRECR] = 0x0748, 200 [TSFRCR] = 0x0750, 201 [TLFRCR] = 0x0758, 202 [RFCR] = 0x0760, 203 [CERCR] = 0x0768, 204 [CEECR] = 0x0770, 205 [MAFCR] = 0x0778, 206 [RMII_MII] = 0x0790, 207 208 [ARSTR] = 0x0000, 209 [TSU_CTRST] = 0x0004, 210 [TSU_FWEN0] = 0x0010, 211 [TSU_FWEN1] = 0x0014, 212 [TSU_FCM] = 0x0018, 213 [TSU_BSYSL0] = 0x0020, 214 [TSU_BSYSL1] = 0x0024, 215 [TSU_PRISL0] = 0x0028, 216 [TSU_PRISL1] = 0x002c, 217 [TSU_FWSL0] = 0x0030, 218 [TSU_FWSL1] = 0x0034, 219 [TSU_FWSLC] = 0x0038, 220 [TSU_QTAG0] = 0x0040, 221 [TSU_QTAG1] = 0x0044, 222 [TSU_FWSR] = 0x0050, 223 [TSU_FWINMK] = 0x0054, 224 [TSU_ADQT0] = 0x0048, 225 [TSU_ADQT1] = 0x004c, 226 [TSU_VTAG0] = 0x0058, 227 [TSU_VTAG1] = 0x005c, 228 [TSU_ADSBSY] = 0x0060, 229 [TSU_TEN] = 0x0064, 230 [TSU_POST1] = 0x0070, 231 [TSU_POST2] = 0x0074, 232 [TSU_POST3] = 0x0078, 233 [TSU_POST4] = 0x007c, 234 [TSU_ADRH0] = 0x0100, 235 [TSU_ADRL0] = 0x0104, 236 [TSU_ADRH31] = 0x01f8, 237 [TSU_ADRL31] = 0x01fc, 238 239 [TXNLCR0] = 0x0080, 240 [TXALCR0] = 0x0084, 241 [RXNLCR0] = 0x0088, 242 [RXALCR0] = 0x008c, 243 [FWNLCR0] = 0x0090, 244 [FWALCR0] = 0x0094, 245 [TXNLCR1] = 0x00a0, 246 [TXALCR1] = 0x00a0, 247 [RXNLCR1] = 0x00a8, 248 [RXALCR1] = 0x00ac, 249 [FWNLCR1] = 0x00b0, 250 [FWALCR1] = 0x00b4, 251 }; 252 253 static const u16 sh_eth_offset_fast_sh4[SH_ETH_MAX_REGISTER_OFFSET] = { 254 [ECMR] = 0x0100, 255 [RFLR] = 0x0108, 256 [ECSR] = 0x0110, 257 [ECSIPR] = 0x0118, 258 [PIR] = 0x0120, 259 [PSR] = 0x0128, 260 [RDMLR] = 0x0140, 261 [IPGR] = 0x0150, 262 [APR] = 0x0154, 263 [MPR] = 0x0158, 264 [TPAUSER] = 0x0164, 265 [RFCF] = 0x0160, 266 [TPAUSECR] = 0x0168, 267 [BCFRR] = 0x016c, 268 [MAHR] = 0x01c0, 269 [MALR] = 0x01c8, 270 [TROCR] = 0x01d0, 271 [CDCR] = 0x01d4, 272 [LCCR] = 0x01d8, 273 [CNDCR] = 0x01dc, 274 [CEFCR] = 0x01e4, 275 [FRECR] = 0x01e8, 276 [TSFRCR] = 0x01ec, 277 [TLFRCR] = 0x01f0, 278 [RFCR] = 0x01f4, 279 [MAFCR] = 0x01f8, 280 [RTRATE] = 0x01fc, 281 282 [EDMR] = 0x0000, 283 [EDTRR] = 0x0008, 284 [EDRRR] = 0x0010, 285 [TDLAR] = 0x0018, 286 [RDLAR] = 0x0020, 287 [EESR] = 0x0028, 288 [EESIPR] = 0x0030, 289 [TRSCER] = 0x0038, 290 [RMFCR] = 0x0040, 291 [TFTR] = 0x0048, 292 [FDR] = 0x0050, 293 [RMCR] = 0x0058, 294 [TFUCR] = 0x0064, 295 [RFOCR] = 0x0068, 296 [FCFTR] = 0x0070, 297 [RPADIR] = 0x0078, 298 [TRIMD] = 0x007c, 299 [RBWAR] = 0x00c8, 300 [RDFAR] = 0x00cc, 301 [TBRAR] = 0x00d4, 302 [TDFAR] = 0x00d8, 303 }; 304 305 static const u16 sh_eth_offset_fast_sh3_sh2[SH_ETH_MAX_REGISTER_OFFSET] = { 306 [ECMR] = 0x0160, 307 [ECSR] = 0x0164, 308 [ECSIPR] = 0x0168, 309 [PIR] = 0x016c, 310 [MAHR] = 0x0170, 311 [MALR] = 0x0174, 312 [RFLR] = 0x0178, 313 [PSR] = 0x017c, 314 [TROCR] = 0x0180, 315 [CDCR] = 0x0184, 316 [LCCR] = 0x0188, 317 [CNDCR] = 0x018c, 318 [CEFCR] = 0x0194, 319 [FRECR] = 0x0198, 320 [TSFRCR] = 0x019c, 321 [TLFRCR] = 0x01a0, 322 [RFCR] = 0x01a4, 323 [MAFCR] = 0x01a8, 324 [IPGR] = 0x01b4, 325 [APR] = 0x01b8, 326 [MPR] = 0x01bc, 327 [TPAUSER] = 0x01c4, 328 [BCFR] = 0x01cc, 329 330 [ARSTR] = 0x0000, 331 [TSU_CTRST] = 0x0004, 332 [TSU_FWEN0] = 0x0010, 333 [TSU_FWEN1] = 0x0014, 334 [TSU_FCM] = 0x0018, 335 [TSU_BSYSL0] = 0x0020, 336 [TSU_BSYSL1] = 0x0024, 337 [TSU_PRISL0] = 0x0028, 338 [TSU_PRISL1] = 0x002c, 339 [TSU_FWSL0] = 0x0030, 340 [TSU_FWSL1] = 0x0034, 341 [TSU_FWSLC] = 0x0038, 342 [TSU_QTAGM0] = 0x0040, 343 [TSU_QTAGM1] = 0x0044, 344 [TSU_ADQT0] = 0x0048, 345 [TSU_ADQT1] = 0x004c, 346 [TSU_FWSR] = 0x0050, 347 [TSU_FWINMK] = 0x0054, 348 [TSU_ADSBSY] = 0x0060, 349 [TSU_TEN] = 0x0064, 350 [TSU_POST1] = 0x0070, 351 [TSU_POST2] = 0x0074, 352 [TSU_POST3] = 0x0078, 353 [TSU_POST4] = 0x007c, 354 355 [TXNLCR0] = 0x0080, 356 [TXALCR0] = 0x0084, 357 [RXNLCR0] = 0x0088, 358 [RXALCR0] = 0x008c, 359 [FWNLCR0] = 0x0090, 360 [FWALCR0] = 0x0094, 361 [TXNLCR1] = 0x00a0, 362 [TXALCR1] = 0x00a0, 363 [RXNLCR1] = 0x00a8, 364 [RXALCR1] = 0x00ac, 365 [FWNLCR1] = 0x00b0, 366 [FWALCR1] = 0x00b4, 367 368 [TSU_ADRH0] = 0x0100, 369 [TSU_ADRL0] = 0x0104, 370 [TSU_ADRL31] = 0x01fc, 371 372 }; 373 374 /* Driver's parameters */ 375 #if defined(CONFIG_CPU_SH4) 376 #define SH4_SKB_RX_ALIGN 32 377 #else 378 #define SH2_SH3_SKB_RX_ALIGN 2 379 #endif 380 381 /* 382 * Register's bits 383 */ 384 #if defined(CONFIG_CPU_SUBTYPE_SH7734) || defined(CONFIG_CPU_SUBTYPE_SH7763) 385 /* EDSR */ 386 enum EDSR_BIT { 387 EDSR_ENT = 0x01, EDSR_ENR = 0x02, 388 }; 389 #define EDSR_ENALL (EDSR_ENT|EDSR_ENR) 390 391 /* GECMR */ 392 enum GECMR_BIT { 393 GECMR_10 = 0x0, GECMR_100 = 0x04, GECMR_1000 = 0x01, 394 }; 395 #endif 396 397 /* EDMR */ 398 enum DMAC_M_BIT { 399 EDMR_EL = 0x40, /* Litte endian */ 400 EDMR_DL1 = 0x20, EDMR_DL0 = 0x10, 401 EDMR_SRST_GETHER = 0x03, 402 EDMR_SRST_ETHER = 0x01, 403 }; 404 405 /* EDTRR */ 406 enum DMAC_T_BIT { 407 EDTRR_TRNS_GETHER = 0x03, 408 EDTRR_TRNS_ETHER = 0x01, 409 }; 410 411 /* EDRRR*/ 412 enum EDRRR_R_BIT { 413 EDRRR_R = 0x01, 414 }; 415 416 /* TPAUSER */ 417 enum TPAUSER_BIT { 418 TPAUSER_TPAUSE = 0x0000ffff, 419 TPAUSER_UNLIMITED = 0, 420 }; 421 422 /* BCFR */ 423 enum BCFR_BIT { 424 BCFR_RPAUSE = 0x0000ffff, 425 BCFR_UNLIMITED = 0, 426 }; 427 428 /* PIR */ 429 enum PIR_BIT { 430 PIR_MDI = 0x08, PIR_MDO = 0x04, PIR_MMD = 0x02, PIR_MDC = 0x01, 431 }; 432 433 /* PSR */ 434 enum PHY_STATUS_BIT { PHY_ST_LINK = 0x01, }; 435 436 /* EESR */ 437 enum EESR_BIT { 438 EESR_TWB1 = 0x80000000, 439 EESR_TWB = 0x40000000, /* same as TWB0 */ 440 EESR_TC1 = 0x20000000, 441 EESR_TUC = 0x10000000, 442 EESR_ROC = 0x08000000, 443 EESR_TABT = 0x04000000, 444 EESR_RABT = 0x02000000, 445 EESR_RFRMER = 0x01000000, /* same as RFCOF */ 446 EESR_ADE = 0x00800000, 447 EESR_ECI = 0x00400000, 448 EESR_FTC = 0x00200000, /* same as TC or TC0 */ 449 EESR_TDE = 0x00100000, 450 EESR_TFE = 0x00080000, /* same as TFUF */ 451 EESR_FRC = 0x00040000, /* same as FR */ 452 EESR_RDE = 0x00020000, 453 EESR_RFE = 0x00010000, 454 EESR_CND = 0x00000800, 455 EESR_DLC = 0x00000400, 456 EESR_CD = 0x00000200, 457 EESR_RTO = 0x00000100, 458 EESR_RMAF = 0x00000080, 459 EESR_CEEF = 0x00000040, 460 EESR_CELF = 0x00000020, 461 EESR_RRF = 0x00000010, 462 EESR_RTLF = 0x00000008, 463 EESR_RTSF = 0x00000004, 464 EESR_PRE = 0x00000002, 465 EESR_CERF = 0x00000001, 466 }; 467 468 #define DEFAULT_TX_CHECK (EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | \ 469 EESR_RTO) 470 #define DEFAULT_EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | \ 471 EESR_RDE | EESR_RFRMER | EESR_ADE | \ 472 EESR_TFE | EESR_TDE | EESR_ECI) 473 #define DEFAULT_TX_ERROR_CHECK (EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | \ 474 EESR_TFE) 475 476 /* EESIPR */ 477 enum DMAC_IM_BIT { 478 DMAC_M_TWB = 0x40000000, DMAC_M_TABT = 0x04000000, 479 DMAC_M_RABT = 0x02000000, 480 DMAC_M_RFRMER = 0x01000000, DMAC_M_ADF = 0x00800000, 481 DMAC_M_ECI = 0x00400000, DMAC_M_FTC = 0x00200000, 482 DMAC_M_TDE = 0x00100000, DMAC_M_TFE = 0x00080000, 483 DMAC_M_FRC = 0x00040000, DMAC_M_RDE = 0x00020000, 484 DMAC_M_RFE = 0x00010000, DMAC_M_TINT4 = 0x00000800, 485 DMAC_M_TINT3 = 0x00000400, DMAC_M_TINT2 = 0x00000200, 486 DMAC_M_TINT1 = 0x00000100, DMAC_M_RINT8 = 0x00000080, 487 DMAC_M_RINT5 = 0x00000010, DMAC_M_RINT4 = 0x00000008, 488 DMAC_M_RINT3 = 0x00000004, DMAC_M_RINT2 = 0x00000002, 489 DMAC_M_RINT1 = 0x00000001, 490 }; 491 492 /* Receive descriptor bit */ 493 enum RD_STS_BIT { 494 RD_RACT = 0x80000000, RD_RDEL = 0x40000000, 495 RD_RFP1 = 0x20000000, RD_RFP0 = 0x10000000, 496 RD_RFE = 0x08000000, RD_RFS10 = 0x00000200, 497 RD_RFS9 = 0x00000100, RD_RFS8 = 0x00000080, 498 RD_RFS7 = 0x00000040, RD_RFS6 = 0x00000020, 499 RD_RFS5 = 0x00000010, RD_RFS4 = 0x00000008, 500 RD_RFS3 = 0x00000004, RD_RFS2 = 0x00000002, 501 RD_RFS1 = 0x00000001, 502 }; 503 #define RDF1ST RD_RFP1 504 #define RDFEND RD_RFP0 505 #define RD_RFP (RD_RFP1|RD_RFP0) 506 507 /* FCFTR */ 508 enum FCFTR_BIT { 509 FCFTR_RFF2 = 0x00040000, FCFTR_RFF1 = 0x00020000, 510 FCFTR_RFF0 = 0x00010000, FCFTR_RFD2 = 0x00000004, 511 FCFTR_RFD1 = 0x00000002, FCFTR_RFD0 = 0x00000001, 512 }; 513 #define DEFAULT_FIFO_F_D_RFF (FCFTR_RFF2 | FCFTR_RFF1 | FCFTR_RFF0) 514 #define DEFAULT_FIFO_F_D_RFD (FCFTR_RFD2 | FCFTR_RFD1 | FCFTR_RFD0) 515 516 /* Transfer descriptor bit */ 517 enum TD_STS_BIT { 518 TD_TACT = 0x80000000, 519 TD_TDLE = 0x40000000, TD_TFP1 = 0x20000000, 520 TD_TFP0 = 0x10000000, 521 }; 522 #define TDF1ST TD_TFP1 523 #define TDFEND TD_TFP0 524 #define TD_TFP (TD_TFP1|TD_TFP0) 525 526 /* RMCR */ 527 #define DEFAULT_RMCR_VALUE 0x00000000 528 529 /* ECMR */ 530 enum FELIC_MODE_BIT { 531 ECMR_TRCCM = 0x04000000, ECMR_RCSC = 0x00800000, 532 ECMR_DPAD = 0x00200000, ECMR_RZPF = 0x00100000, 533 ECMR_ZPF = 0x00080000, ECMR_PFR = 0x00040000, ECMR_RXF = 0x00020000, 534 ECMR_TXF = 0x00010000, ECMR_MCT = 0x00002000, ECMR_PRCEF = 0x00001000, 535 ECMR_PMDE = 0x00000200, ECMR_RE = 0x00000040, ECMR_TE = 0x00000020, 536 ECMR_RTM = 0x00000010, ECMR_ILB = 0x00000008, ECMR_ELB = 0x00000004, 537 ECMR_DM = 0x00000002, ECMR_PRM = 0x00000001, 538 }; 539 540 /* ECSR */ 541 enum ECSR_STATUS_BIT { 542 ECSR_BRCRX = 0x20, ECSR_PSRTO = 0x10, 543 ECSR_LCHNG = 0x04, 544 ECSR_MPD = 0x02, ECSR_ICD = 0x01, 545 }; 546 547 #define DEFAULT_ECSR_INIT (ECSR_BRCRX | ECSR_PSRTO | ECSR_LCHNG | \ 548 ECSR_ICD | ECSIPR_MPDIP) 549 550 /* ECSIPR */ 551 enum ECSIPR_STATUS_MASK_BIT { 552 ECSIPR_BRCRXIP = 0x20, ECSIPR_PSRTOIP = 0x10, 553 ECSIPR_LCHNGIP = 0x04, 554 ECSIPR_MPDIP = 0x02, ECSIPR_ICDIP = 0x01, 555 }; 556 557 #define DEFAULT_ECSIPR_INIT (ECSIPR_BRCRXIP | ECSIPR_PSRTOIP | \ 558 ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP) 559 560 /* APR */ 561 enum APR_BIT { 562 APR_AP = 0x00000001, 563 }; 564 565 /* MPR */ 566 enum MPR_BIT { 567 MPR_MP = 0x00000001, 568 }; 569 570 /* TRSCER */ 571 enum DESC_I_BIT { 572 DESC_I_TINT4 = 0x0800, DESC_I_TINT3 = 0x0400, DESC_I_TINT2 = 0x0200, 573 DESC_I_TINT1 = 0x0100, DESC_I_RINT8 = 0x0080, DESC_I_RINT5 = 0x0010, 574 DESC_I_RINT4 = 0x0008, DESC_I_RINT3 = 0x0004, DESC_I_RINT2 = 0x0002, 575 DESC_I_RINT1 = 0x0001, 576 }; 577 578 /* RPADIR */ 579 enum RPADIR_BIT { 580 RPADIR_PADS1 = 0x20000, RPADIR_PADS0 = 0x10000, 581 RPADIR_PADR = 0x0003f, 582 }; 583 584 /* FDR */ 585 #define DEFAULT_FDR_INIT 0x00000707 586 587 enum phy_offsets { 588 PHY_CTRL = 0, PHY_STAT = 1, PHY_IDT1 = 2, PHY_IDT2 = 3, 589 PHY_ANA = 4, PHY_ANL = 5, PHY_ANE = 6, 590 PHY_16 = 16, 591 }; 592 593 /* PHY_CTRL */ 594 enum PHY_CTRL_BIT { 595 PHY_C_RESET = 0x8000, PHY_C_LOOPBK = 0x4000, PHY_C_SPEEDSL = 0x2000, 596 PHY_C_ANEGEN = 0x1000, PHY_C_PWRDN = 0x0800, PHY_C_ISO = 0x0400, 597 PHY_C_RANEG = 0x0200, PHY_C_DUPLEX = 0x0100, PHY_C_COLT = 0x0080, 598 }; 599 #define DM9161_PHY_C_ANEGEN 0 /* auto nego special */ 600 601 /* PHY_STAT */ 602 enum PHY_STAT_BIT { 603 PHY_S_100T4 = 0x8000, PHY_S_100X_F = 0x4000, PHY_S_100X_H = 0x2000, 604 PHY_S_10T_F = 0x1000, PHY_S_10T_H = 0x0800, PHY_S_ANEGC = 0x0020, 605 PHY_S_RFAULT = 0x0010, PHY_S_ANEGA = 0x0008, PHY_S_LINK = 0x0004, 606 PHY_S_JAB = 0x0002, PHY_S_EXTD = 0x0001, 607 }; 608 609 /* PHY_ANA */ 610 enum PHY_ANA_BIT { 611 PHY_A_NP = 0x8000, PHY_A_ACK = 0x4000, PHY_A_RF = 0x2000, 612 PHY_A_FCS = 0x0400, PHY_A_T4 = 0x0200, PHY_A_FDX = 0x0100, 613 PHY_A_HDX = 0x0080, PHY_A_10FDX = 0x0040, PHY_A_10HDX = 0x0020, 614 PHY_A_SEL = 0x001e, 615 }; 616 /* PHY_ANL */ 617 enum PHY_ANL_BIT { 618 PHY_L_NP = 0x8000, PHY_L_ACK = 0x4000, PHY_L_RF = 0x2000, 619 PHY_L_FCS = 0x0400, PHY_L_T4 = 0x0200, PHY_L_FDX = 0x0100, 620 PHY_L_HDX = 0x0080, PHY_L_10FDX = 0x0040, PHY_L_10HDX = 0x0020, 621 PHY_L_SEL = 0x001f, 622 }; 623 624 /* PHY_ANE */ 625 enum PHY_ANE_BIT { 626 PHY_E_PDF = 0x0010, PHY_E_LPNPA = 0x0008, PHY_E_NPA = 0x0004, 627 PHY_E_PRX = 0x0002, PHY_E_LPANEGA = 0x0001, 628 }; 629 630 /* DM9161 */ 631 enum PHY_16_BIT { 632 PHY_16_BP4B45 = 0x8000, PHY_16_BPSCR = 0x4000, PHY_16_BPALIGN = 0x2000, 633 PHY_16_BP_ADPOK = 0x1000, PHY_16_Repeatmode = 0x0800, 634 PHY_16_TXselect = 0x0400, 635 PHY_16_Rsvd = 0x0200, PHY_16_RMIIEnable = 0x0100, 636 PHY_16_Force100LNK = 0x0080, 637 PHY_16_APDLED_CTL = 0x0040, PHY_16_COLLED_CTL = 0x0020, 638 PHY_16_RPDCTR_EN = 0x0010, 639 PHY_16_ResetStMch = 0x0008, PHY_16_PreamSupr = 0x0004, 640 PHY_16_Sleepmode = 0x0002, 641 PHY_16_RemoteLoopOut = 0x0001, 642 }; 643 644 #define POST_RX 0x08 645 #define POST_FW 0x04 646 #define POST0_RX (POST_RX) 647 #define POST0_FW (POST_FW) 648 #define POST1_RX (POST_RX >> 2) 649 #define POST1_FW (POST_FW >> 2) 650 #define POST_ALL (POST0_RX | POST0_FW | POST1_RX | POST1_FW) 651 652 /* ARSTR */ 653 enum ARSTR_BIT { ARSTR_ARSTR = 0x00000001, }; 654 655 /* TSU_FWEN0 */ 656 enum TSU_FWEN0_BIT { 657 TSU_FWEN0_0 = 0x00000001, 658 }; 659 660 /* TSU_ADSBSY */ 661 enum TSU_ADSBSY_BIT { 662 TSU_ADSBSY_0 = 0x00000001, 663 }; 664 665 /* TSU_TEN */ 666 enum TSU_TEN_BIT { 667 TSU_TEN_0 = 0x80000000, 668 }; 669 670 /* TSU_FWSL0 */ 671 enum TSU_FWSL0_BIT { 672 TSU_FWSL0_FW50 = 0x1000, TSU_FWSL0_FW40 = 0x0800, 673 TSU_FWSL0_FW30 = 0x0400, TSU_FWSL0_FW20 = 0x0200, 674 TSU_FWSL0_FW10 = 0x0100, TSU_FWSL0_RMSA0 = 0x0010, 675 }; 676 677 /* TSU_FWSLC */ 678 enum TSU_FWSLC_BIT { 679 TSU_FWSLC_POSTENU = 0x2000, TSU_FWSLC_POSTENL = 0x1000, 680 TSU_FWSLC_CAMSEL03 = 0x0080, TSU_FWSLC_CAMSEL02 = 0x0040, 681 TSU_FWSLC_CAMSEL01 = 0x0020, TSU_FWSLC_CAMSEL00 = 0x0010, 682 TSU_FWSLC_CAMSEL13 = 0x0008, TSU_FWSLC_CAMSEL12 = 0x0004, 683 TSU_FWSLC_CAMSEL11 = 0x0002, TSU_FWSLC_CAMSEL10 = 0x0001, 684 }; 685 686 /* TSU_VTAGn */ 687 #define TSU_VTAG_ENABLE 0x80000000 688 #define TSU_VTAG_VID_MASK 0x00000fff 689 690 /* 691 * The sh ether Tx buffer descriptors. 692 * This structure should be 20 bytes. 693 */ 694 struct sh_eth_txdesc { 695 u32 status; /* TD0 */ 696 #if defined(__LITTLE_ENDIAN) 697 u16 pad0; /* TD1 */ 698 u16 buffer_length; /* TD1 */ 699 #else 700 u16 buffer_length; /* TD1 */ 701 u16 pad0; /* TD1 */ 702 #endif 703 u32 addr; /* TD2 */ 704 u32 pad1; /* padding data */ 705 } __attribute__((aligned(2), packed)); 706 707 /* 708 * The sh ether Rx buffer descriptors. 709 * This structure should be 20 bytes. 710 */ 711 struct sh_eth_rxdesc { 712 u32 status; /* RD0 */ 713 #if defined(__LITTLE_ENDIAN) 714 u16 frame_length; /* RD1 */ 715 u16 buffer_length; /* RD1 */ 716 #else 717 u16 buffer_length; /* RD1 */ 718 u16 frame_length; /* RD1 */ 719 #endif 720 u32 addr; /* RD2 */ 721 u32 pad0; /* padding data */ 722 } __attribute__((aligned(2), packed)); 723 724 /* This structure is used by each CPU dependency handling. */ 725 struct sh_eth_cpu_data { 726 /* optional functions */ 727 void (*chip_reset)(struct net_device *ndev); 728 void (*set_duplex)(struct net_device *ndev); 729 void (*set_rate)(struct net_device *ndev); 730 731 /* mandatory initialize value */ 732 unsigned long eesipr_value; 733 734 /* optional initialize value */ 735 unsigned long ecsr_value; 736 unsigned long ecsipr_value; 737 unsigned long fdr_value; 738 unsigned long fcftr_value; 739 unsigned long rpadir_value; 740 unsigned long rmcr_value; 741 742 /* interrupt checking mask */ 743 unsigned long tx_check; 744 unsigned long eesr_err_check; 745 unsigned long tx_error_check; 746 747 /* hardware features */ 748 unsigned no_psr:1; /* EtherC DO NOT have PSR */ 749 unsigned apr:1; /* EtherC have APR */ 750 unsigned mpr:1; /* EtherC have MPR */ 751 unsigned tpauser:1; /* EtherC have TPAUSER */ 752 unsigned bculr:1; /* EtherC have BCULR */ 753 unsigned tsu:1; /* EtherC have TSU */ 754 unsigned hw_swap:1; /* E-DMAC have DE bit in EDMR */ 755 unsigned rpadir:1; /* E-DMAC have RPADIR */ 756 unsigned no_trimd:1; /* E-DMAC DO NOT have TRIMD */ 757 unsigned no_ade:1; /* E-DMAC DO NOT have ADE bit in EESR */ 758 unsigned hw_crc:1; /* E-DMAC have CSMR */ 759 }; 760 761 struct sh_eth_private { 762 struct platform_device *pdev; 763 struct sh_eth_cpu_data *cd; 764 const u16 *reg_offset; 765 void __iomem *addr; 766 void __iomem *tsu_addr; 767 dma_addr_t rx_desc_dma; 768 dma_addr_t tx_desc_dma; 769 struct sh_eth_rxdesc *rx_ring; 770 struct sh_eth_txdesc *tx_ring; 771 struct sk_buff **rx_skbuff; 772 struct sk_buff **tx_skbuff; 773 struct timer_list timer; 774 spinlock_t lock; 775 u32 cur_rx, dirty_rx; /* Producer/consumer ring indices */ 776 u32 cur_tx, dirty_tx; 777 u32 rx_buf_sz; /* Based on MTU+slack. */ 778 int edmac_endian; 779 /* MII transceiver section. */ 780 u32 phy_id; /* PHY ID */ 781 struct mii_bus *mii_bus; /* MDIO bus control */ 782 struct phy_device *phydev; /* PHY device control */ 783 enum phy_state link; 784 phy_interface_t phy_interface; 785 int msg_enable; 786 int speed; 787 int duplex; 788 u32 rx_int_var, tx_int_var; /* interrupt control variables */ 789 char post_rx; /* POST receive */ 790 char post_fw; /* POST forward */ 791 struct net_device_stats tsu_stats; /* TSU forward status */ 792 int port; /* for TSU */ 793 int vlan_num_ids; /* for VLAN tag filter */ 794 795 unsigned no_ether_link:1; 796 unsigned ether_link_active_low:1; 797 }; 798 799 static inline void sh_eth_soft_swap(char *src, int len) 800 { 801 #ifdef __LITTLE_ENDIAN__ 802 u32 *p = (u32 *)src; 803 u32 *maxp; 804 maxp = p + ((len + sizeof(u32) - 1) / sizeof(u32)); 805 806 for (; p < maxp; p++) 807 *p = swab32(*p); 808 #endif 809 } 810 811 static inline void sh_eth_write(struct net_device *ndev, unsigned long data, 812 int enum_index) 813 { 814 struct sh_eth_private *mdp = netdev_priv(ndev); 815 816 iowrite32(data, mdp->addr + mdp->reg_offset[enum_index]); 817 } 818 819 static inline unsigned long sh_eth_read(struct net_device *ndev, 820 int enum_index) 821 { 822 struct sh_eth_private *mdp = netdev_priv(ndev); 823 824 return ioread32(mdp->addr + mdp->reg_offset[enum_index]); 825 } 826 827 static inline void *sh_eth_tsu_get_offset(struct sh_eth_private *mdp, 828 int enum_index) 829 { 830 return mdp->tsu_addr + mdp->reg_offset[enum_index]; 831 } 832 833 static inline void sh_eth_tsu_write(struct sh_eth_private *mdp, 834 unsigned long data, int enum_index) 835 { 836 iowrite32(data, mdp->tsu_addr + mdp->reg_offset[enum_index]); 837 } 838 839 static inline unsigned long sh_eth_tsu_read(struct sh_eth_private *mdp, 840 int enum_index) 841 { 842 return ioread32(mdp->tsu_addr + mdp->reg_offset[enum_index]); 843 } 844 845 #endif /* #ifndef __SH_ETH_H__ */ 846