drivers/net/ethernet/renesas/sh_eth.h

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