drivers/net/sh_eth.h

   1 /*
   2  *  SuperH Ethernet device driver
   3  *
   4  *  Copyright (C) 2006-2008 Nobuhiro Iwamatsu
   5  *  Copyright (C) 2008 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 #include <linux/module.h>
  27 #include <linux/kernel.h>
  28 #include <linux/spinlock.h>
  29 #include <linux/workqueue.h>
  30 #include <linux/netdevice.h>
  31 #include <linux/phy.h>
  32
  33 #include <asm/sh_eth.h>
  34
  35 #define CARDNAME        "sh-eth"
  36 #define TX_TIMEOUT      (5*HZ)
  37 #define TX_RING_SIZE    64      /* Tx ring size */
  38 #define RX_RING_SIZE    64      /* Rx ring size */
  39 #define ETHERSMALL              60
  40 #define PKT_BUF_SZ              1538
  41
  42 #ifdef CONFIG_CPU_SUBTYPE_SH7763
  43
  44 #define SH7763_SKB_ALIGN 32
  45 /* Chip Base Address */
  46 # define SH_TSU_ADDR    0xFEE01800
  47 # define ARSTR                  SH_TSU_ADDR
  48
  49 /* Chip Registers */
  50 /* E-DMAC */
  51 # define EDSR    0x000
  52 # define EDMR    0x400
  53 # define EDTRR   0x408
  54 # define EDRRR   0x410
  55 # define EESR    0x428
  56 # define EESIPR  0x430
  57 # define TDLAR   0x010
  58 # define TDFAR   0x014
  59 # define TDFXR   0x018
  60 # define TDFFR   0x01C
  61 # define RDLAR   0x030
  62 # define RDFAR   0x034
  63 # define RDFXR   0x038
  64 # define RDFFR   0x03C
  65 # define TRSCER  0x438
  66 # define RMFCR   0x440
  67 # define TFTR    0x448
  68 # define FDR     0x450
  69 # define RMCR    0x458
  70 # define RPADIR  0x460
  71 # define FCFTR   0x468
  72
  73 /* Ether Register */
  74 # define ECMR    0x500
  75 # define ECSR    0x510
  76 # define ECSIPR  0x518
  77 # define PIR     0x520
  78 # define PSR     0x528
  79 # define PIPR    0x52C
  80 # define RFLR    0x508
  81 # define APR     0x554
  82 # define MPR     0x558
  83 # define PFTCR   0x55C
  84 # define PFRCR   0x560
  85 # define TPAUSER 0x564
  86 # define GECMR   0x5B0
  87 # define BCULR   0x5B4
  88 # define MAHR    0x5C0
  89 # define MALR    0x5C8
  90 # define TROCR   0x700
  91 # define CDCR    0x708
  92 # define LCCR    0x710
  93 # define CEFCR   0x740
  94 # define FRECR   0x748
  95 # define TSFRCR  0x750
  96 # define TLFRCR  0x758
  97 # define RFCR    0x760
  98 # define CERCR   0x768
  99 # define CEECR   0x770
 100 # define MAFCR   0x778
 101
 102 /* TSU Absolute Address */
 103 # define TSU_CTRST       0x004
 104 # define TSU_FWEN0       0x010
 105 # define TSU_FWEN1       0x014
 106 # define TSU_FCM         0x18
 107 # define TSU_BSYSL0      0x20
 108 # define TSU_BSYSL1      0x24
 109 # define TSU_PRISL0      0x28
 110 # define TSU_PRISL1      0x2C
 111 # define TSU_FWSL0       0x30
 112 # define TSU_FWSL1       0x34
 113 # define TSU_FWSLC       0x38
 114 # define TSU_QTAG0       0x40
 115 # define TSU_QTAG1       0x44
 116 # define TSU_FWSR        0x50
 117 # define TSU_FWINMK      0x54
 118 # define TSU_ADQT0       0x48
 119 # define TSU_ADQT1       0x4C
 120 # define TSU_VTAG0       0x58
 121 # define TSU_VTAG1       0x5C
 122 # define TSU_ADSBSY      0x60
 123 # define TSU_TEN         0x64
 124 # define TSU_POST1       0x70
 125 # define TSU_POST2       0x74
 126 # define TSU_POST3       0x78
 127 # define TSU_POST4       0x7C
 128 # define TSU_ADRH0       0x100
 129 # define TSU_ADRL0       0x104
 130 # define TSU_ADRH31      0x1F8
 131 # define TSU_ADRL31      0x1FC
 132
 133 # define TXNLCR0         0x80
 134 # define TXALCR0         0x84
 135 # define RXNLCR0         0x88
 136 # define RXALCR0         0x8C
 137 # define FWNLCR0         0x90
 138 # define FWALCR0         0x94
 139 # define TXNLCR1         0xA0
 140 # define TXALCR1         0xA4
 141 # define RXNLCR1         0xA8
 142 # define RXALCR1         0xAC
 143 # define FWNLCR1         0xB0
 144 # define FWALCR1         0x40
 145
 146 #else /* CONFIG_CPU_SUBTYPE_SH7763 */
 147 # define RX_OFFSET 2    /* skb offset */
 148 #ifndef CONFIG_CPU_SUBTYPE_SH7619
 149 /* Chip base address */
 150 # define SH_TSU_ADDR  0xA7000804
 151 # define ARSTR            0xA7000800
 152 #endif
 153 /* Chip Registers */
 154 /* E-DMAC */
 155 # define EDMR   0x0000
 156 # define EDTRR  0x0004
 157 # define EDRRR  0x0008
 158 # define TDLAR  0x000C
 159 # define RDLAR  0x0010
 160 # define EESR   0x0014
 161 # define EESIPR 0x0018
 162 # define TRSCER 0x001C
 163 # define RMFCR  0x0020
 164 # define TFTR   0x0024
 165 # define FDR    0x0028
 166 # define RMCR   0x002C
 167 # define EDOCR  0x0030
 168 # define FCFTR  0x0034
 169 # define RPADIR 0x0038
 170 # define TRIMD  0x003C
 171 # define RBWAR  0x0040
 172 # define RDFAR  0x0044
 173 # define TBRAR  0x004C
 174 # define TDFAR  0x0050
 175
 176 /* Ether Register */
 177 # define ECMR   0x0160
 178 # define ECSR   0x0164
 179 # define ECSIPR 0x0168
 180 # define PIR    0x016C
 181 # define MAHR   0x0170
 182 # define MALR   0x0174
 183 # define RFLR   0x0178
 184 # define PSR    0x017C
 185 # define TROCR  0x0180
 186 # define CDCR   0x0184
 187 # define LCCR   0x0188
 188 # define CNDCR  0x018C
 189 # define CEFCR  0x0194
 190 # define FRECR  0x0198
 191 # define TSFRCR 0x019C
 192 # define TLFRCR 0x01A0
 193 # define RFCR   0x01A4
 194 # define MAFCR  0x01A8
 195 # define IPGR   0x01B4
 196 # if defined(CONFIG_CPU_SUBTYPE_SH7710)
 197 # define APR    0x01B8
 198 # define MPR    0x01BC
 199 # define TPAUSER 0x1C4
 200 # define BCFR   0x1CC
 201 # endif /* CONFIG_CPU_SH7710 */
 202
 203 /* TSU */
 204 # define TSU_CTRST      0x004
 205 # define TSU_FWEN0      0x010
 206 # define TSU_FWEN1      0x014
 207 # define TSU_FCM        0x018
 208 # define TSU_BSYSL0     0x020
 209 # define TSU_BSYSL1     0x024
 210 # define TSU_PRISL0     0x028
 211 # define TSU_PRISL1     0x02C
 212 # define TSU_FWSL0      0x030
 213 # define TSU_FWSL1      0x034
 214 # define TSU_FWSLC      0x038
 215 # define TSU_QTAGM0     0x040
 216 # define TSU_QTAGM1     0x044
 217 # define TSU_ADQT0      0x048
 218 # define TSU_ADQT1      0x04C
 219 # define TSU_FWSR       0x050
 220 # define TSU_FWINMK     0x054
 221 # define TSU_ADSBSY     0x060
 222 # define TSU_TEN        0x064
 223 # define TSU_POST1      0x070
 224 # define TSU_POST2      0x074
 225 # define TSU_POST3      0x078
 226 # define TSU_POST4      0x07C
 227 # define TXNLCR0        0x080
 228 # define TXALCR0        0x084
 229 # define RXNLCR0        0x088
 230 # define RXALCR0        0x08C
 231 # define FWNLCR0        0x090
 232 # define FWALCR0        0x094
 233 # define TXNLCR1        0x0A0
 234 # define TXALCR1        0x0A4
 235 # define RXNLCR1        0x0A8
 236 # define RXALCR1        0x0AC
 237 # define FWNLCR1        0x0B0
 238 # define FWALCR1        0x0B4
 239
 240 #define TSU_ADRH0       0x0100
 241 #define TSU_ADRL0       0x0104
 242 #define TSU_ADRL31      0x01FC
 243
 244 #endif /* CONFIG_CPU_SUBTYPE_SH7763 */
 245
 246 /*
 247  * Register's bits
 248  */
 249 #ifdef CONFIG_CPU_SUBTYPE_SH7763
 250 /* EDSR */
 251 enum EDSR_BIT {
 252         EDSR_ENT = 0x01, EDSR_ENR = 0x02,
 253 };
 254 #define EDSR_ENALL (EDSR_ENT|EDSR_ENR)
 255
 256 /* GECMR */
 257 enum GECMR_BIT {
 258         GECMR_10 = 0x0, GECMR_100 = 0x04, GECMR_1000 = 0x01,
 259 };
 260 #endif
 261
 262 /* EDMR */
 263 enum DMAC_M_BIT {
 264         EDMR_DL1 = 0x20, EDMR_DL0 = 0x10,
 265 #ifdef CONFIG_CPU_SUBTYPE_SH7763
 266         EDMR_SRST       = 0x03,
 267         EMDR_DESC_R     = 0x30, /* Descriptor reserve size */
 268         EDMR_EL         = 0x40, /* Litte endian */
 269 #else /* CONFIG_CPU_SUBTYPE_SH7763 */
 270         EDMR_SRST = 0x01,
 271 #endif
 272 };
 273
 274 /* EDTRR */
 275 enum DMAC_T_BIT {
 276 #ifdef CONFIG_CPU_SUBTYPE_SH7763
 277         EDTRR_TRNS = 0x03,
 278 #else
 279         EDTRR_TRNS = 0x01,
 280 #endif
 281 };
 282
 283 /* EDRRR*/
 284 enum EDRRR_R_BIT {
 285         EDRRR_R = 0x01,
 286 };
 287
 288 /* TPAUSER */
 289 enum TPAUSER_BIT {
 290         TPAUSER_TPAUSE = 0x0000ffff,
 291         TPAUSER_UNLIMITED = 0,
 292 };
 293
 294 /* BCFR */
 295 enum BCFR_BIT {
 296         BCFR_RPAUSE = 0x0000ffff,
 297         BCFR_UNLIMITED = 0,
 298 };
 299
 300 /* PIR */
 301 enum PIR_BIT {
 302         PIR_MDI = 0x08, PIR_MDO = 0x04, PIR_MMD = 0x02, PIR_MDC = 0x01,
 303 };
 304
 305 /* PSR */
 306 enum PHY_STATUS_BIT { PHY_ST_LINK = 0x01, };
 307
 308 /* EESR */
 309 enum EESR_BIT {
 310 #ifndef CONFIG_CPU_SUBTYPE_SH7763
 311         EESR_TWB  = 0x40000000,
 312 #else
 313         EESR_TWB  = 0xC0000000,
 314         EESR_TC1  = 0x20000000,
 315         EESR_TUC  = 0x10000000,
 316         EESR_ROC  = 0x80000000,
 317 #endif
 318         EESR_TABT = 0x04000000,
 319         EESR_RABT = 0x02000000, EESR_RFRMER = 0x01000000,
 320 #ifndef CONFIG_CPU_SUBTYPE_SH7763
 321         EESR_ADE  = 0x00800000,
 322 #endif
 323         EESR_ECI  = 0x00400000,
 324         EESR_FTC  = 0x00200000, EESR_TDE  = 0x00100000,
 325         EESR_TFE  = 0x00080000, EESR_FRC  = 0x00040000,
 326         EESR_RDE  = 0x00020000, EESR_RFE  = 0x00010000,
 327 #ifndef CONFIG_CPU_SUBTYPE_SH7763
 328         EESR_CND  = 0x00000800,
 329 #endif
 330         EESR_DLC  = 0x00000400,
 331         EESR_CD   = 0x00000200, EESR_RTO  = 0x00000100,
 332         EESR_RMAF = 0x00000080, EESR_CEEF = 0x00000040,
 333         EESR_CELF = 0x00000020, EESR_RRF  = 0x00000010,
 334         EESR_RTLF = 0x00000008, EESR_RTSF = 0x00000004,
 335         EESR_PRE  = 0x00000002, EESR_CERF = 0x00000001,
 336 };
 337
 338
 339 #ifdef CONFIG_CPU_SUBTYPE_SH7763
 340 # define TX_CHECK (EESR_TC1 | EESR_FTC)
 341 # define EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE \
 342                 | EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI)
 343 # define TX_ERROR_CEHCK (EESR_TWB | EESR_TABT | EESR_TDE | EESR_TFE)
 344
 345 #else
 346 # define TX_CHECK (EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_RTO)
 347 # define EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE \
 348                 | EESR_RFRMER | EESR_ADE | EESR_TFE | EESR_TDE | EESR_ECI)
 349 # define TX_ERROR_CEHCK (EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | EESR_TFE)
 350 #endif
 351
 352 /* EESIPR */
 353 enum DMAC_IM_BIT {
 354         DMAC_M_TWB = 0x40000000, DMAC_M_TABT = 0x04000000,
 355         DMAC_M_RABT = 0x02000000,
 356         DMAC_M_RFRMER = 0x01000000, DMAC_M_ADF = 0x00800000,
 357         DMAC_M_ECI = 0x00400000, DMAC_M_FTC = 0x00200000,
 358         DMAC_M_TDE = 0x00100000, DMAC_M_TFE = 0x00080000,
 359         DMAC_M_FRC = 0x00040000, DMAC_M_RDE = 0x00020000,
 360         DMAC_M_RFE = 0x00010000, DMAC_M_TINT4 = 0x00000800,
 361         DMAC_M_TINT3 = 0x00000400, DMAC_M_TINT2 = 0x00000200,
 362         DMAC_M_TINT1 = 0x00000100, DMAC_M_RINT8 = 0x00000080,
 363         DMAC_M_RINT5 = 0x00000010, DMAC_M_RINT4 = 0x00000008,
 364         DMAC_M_RINT3 = 0x00000004, DMAC_M_RINT2 = 0x00000002,
 365         DMAC_M_RINT1 = 0x00000001,
 366 };
 367
 368 /* Receive descriptor bit */
 369 enum RD_STS_BIT {
 370         RD_RACT = 0x80000000, RD_RDEL = 0x40000000,
 371         RD_RFP1 = 0x20000000, RD_RFP0 = 0x10000000,
 372         RD_RFE = 0x08000000, RD_RFS10 = 0x00000200,
 373         RD_RFS9 = 0x00000100, RD_RFS8 = 0x00000080,
 374         RD_RFS7 = 0x00000040, RD_RFS6 = 0x00000020,
 375         RD_RFS5 = 0x00000010, RD_RFS4 = 0x00000008,
 376         RD_RFS3 = 0x00000004, RD_RFS2 = 0x00000002,
 377         RD_RFS1 = 0x00000001,
 378 };
 379 #define RDF1ST  RD_RFP1
 380 #define RDFEND  RD_RFP0
 381 #define RD_RFP  (RD_RFP1|RD_RFP0)
 382
 383 /* FCFTR */
 384 enum FCFTR_BIT {
 385         FCFTR_RFF2 = 0x00040000, FCFTR_RFF1 = 0x00020000,
 386         FCFTR_RFF0 = 0x00010000, FCFTR_RFD2 = 0x00000004,
 387         FCFTR_RFD1 = 0x00000002, FCFTR_RFD0 = 0x00000001,
 388 };
 389 #define FIFO_F_D_RFF    (FCFTR_RFF2|FCFTR_RFF1|FCFTR_RFF0)
 390 #ifndef CONFIG_CPU_SUBTYPE_SH7619
 391 #define FIFO_F_D_RFD    (FCFTR_RFD2|FCFTR_RFD1|FCFTR_RFD0)
 392 #else
 393 #define FIFO_F_D_RFD    (FCFTR_RFD0)
 394 #endif
 395
 396 /* Transfer descriptor bit */
 397 enum TD_STS_BIT {
 398         TD_TACT = 0x80000000,
 399         TD_TDLE = 0x40000000, TD_TFP1 = 0x20000000,
 400         TD_TFP0 = 0x10000000,
 401 };
 402 #define TDF1ST  TD_TFP1
 403 #define TDFEND  TD_TFP0
 404 #define TD_TFP  (TD_TFP1|TD_TFP0)
 405
 406 /* RMCR */
 407 enum RECV_RST_BIT { RMCR_RST = 0x01, };
 408 /* ECMR */
 409 enum FELIC_MODE_BIT {
 410 #ifdef CONFIG_CPU_SUBTYPE_SH7763
 411         ECMR_TRCCM = 0x04000000, ECMR_RCSC = 0x00800000,
 412         ECMR_DPAD = 0x00200000, ECMR_RZPF = 0x00100000,
 413 #endif
 414         ECMR_ZPF = 0x00080000, ECMR_PFR = 0x00040000, ECMR_RXF = 0x00020000,
 415         ECMR_TXF = 0x00010000, ECMR_MCT = 0x00002000, ECMR_PRCEF = 0x00001000,
 416         ECMR_PMDE = 0x00000200, ECMR_RE = 0x00000040, ECMR_TE = 0x00000020,
 417         ECMR_ILB = 0x00000008, ECMR_ELB = 0x00000004, ECMR_DM = 0x00000002,
 418         ECMR_PRM = 0x00000001,
 419 };
 420
 421 #ifdef CONFIG_CPU_SUBTYPE_SH7763
 422 #define ECMR_CHG_DM     (ECMR_TRCCM | ECMR_RZPF | ECMR_ZPF |\
 423                         ECMR_PFR | ECMR_RXF | ECMR_TXF | ECMR_MCT)
 424 #elif CONFIG_CPU_SUBTYPE_SH7619
 425 #define ECMR_CHG_DM     (ECMR_ZPF | ECMR_PFR | ECMR_RXF | ECMR_TXF)
 426 #else
 427 #define ECMR_CHG_DM     (ECMR_ZPF | ECMR_PFR | ECMR_RXF | ECMR_TXF | ECMR_MCT)
 428 #endif
 429
 430 /* ECSR */
 431 enum ECSR_STATUS_BIT {
 432 #ifndef CONFIG_CPU_SUBTYPE_SH7763
 433         ECSR_BRCRX = 0x20, ECSR_PSRTO = 0x10,
 434 #endif
 435         ECSR_LCHNG = 0x04,
 436         ECSR_MPD = 0x02, ECSR_ICD = 0x01,
 437 };
 438
 439 #ifdef CONFIG_CPU_SUBTYPE_SH7763
 440 # define ECSR_INIT (ECSR_ICD | ECSIPR_MPDIP)
 441 #else
 442 # define ECSR_INIT (ECSR_BRCRX | ECSR_PSRTO | \
 443                         ECSR_LCHNG | ECSR_ICD | ECSIPR_MPDIP)
 444 #endif
 445
 446 /* ECSIPR */
 447 enum ECSIPR_STATUS_MASK_BIT {
 448 #ifndef CONFIG_CPU_SUBTYPE_SH7763
 449         ECSIPR_BRCRXIP = 0x20, ECSIPR_PSRTOIP = 0x10,
 450 #endif
 451         ECSIPR_LCHNGIP = 0x04,
 452         ECSIPR_MPDIP = 0x02, ECSIPR_ICDIP = 0x01,
 453 };
 454
 455 #ifdef CONFIG_CPU_SUBTYPE_SH7763
 456 # define ECSIPR_INIT (ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP)
 457 #else
 458 # define ECSIPR_INIT (ECSIPR_BRCRXIP | ECSIPR_PSRTOIP | ECSIPR_LCHNGIP | \
 459                                 ECSIPR_ICDIP | ECSIPR_MPDIP)
 460 #endif
 461
 462 /* APR */
 463 enum APR_BIT {
 464         APR_AP = 0x00000001,
 465 };
 466
 467 /* MPR */
 468 enum MPR_BIT {
 469         MPR_MP = 0x00000001,
 470 };
 471
 472 /* TRSCER */
 473 enum DESC_I_BIT {
 474         DESC_I_TINT4 = 0x0800, DESC_I_TINT3 = 0x0400, DESC_I_TINT2 = 0x0200,
 475         DESC_I_TINT1 = 0x0100, DESC_I_RINT8 = 0x0080, DESC_I_RINT5 = 0x0010,
 476         DESC_I_RINT4 = 0x0008, DESC_I_RINT3 = 0x0004, DESC_I_RINT2 = 0x0002,
 477         DESC_I_RINT1 = 0x0001,
 478 };
 479
 480 /* RPADIR */
 481 enum RPADIR_BIT {
 482         RPADIR_PADS1 = 0x20000, RPADIR_PADS0 = 0x10000,
 483         RPADIR_PADR = 0x0003f,
 484 };
 485
 486 #if defined(CONFIG_CPU_SUBTYPE_SH7763)
 487 # define RPADIR_INIT (0x00)
 488 #else
 489 # define RPADIR_INIT (RPADIR_PADS1)
 490 #endif
 491
 492 /* RFLR */
 493 #define RFLR_VALUE 0x1000
 494
 495 /* FDR */
 496 enum FIFO_SIZE_BIT {
 497 #ifndef CONFIG_CPU_SUBTYPE_SH7619
 498         FIFO_SIZE_T = 0x00000700, FIFO_SIZE_R = 0x00000007,
 499 #else
 500         FIFO_SIZE_T = 0x00000100, FIFO_SIZE_R = 0x00000001,
 501 #endif
 502 };
 503 enum phy_offsets {
 504         PHY_CTRL = 0, PHY_STAT = 1, PHY_IDT1 = 2, PHY_IDT2 = 3,
 505         PHY_ANA = 4, PHY_ANL = 5, PHY_ANE = 6,
 506         PHY_16 = 16,
 507 };
 508
 509 /* PHY_CTRL */
 510 enum PHY_CTRL_BIT {
 511         PHY_C_RESET = 0x8000, PHY_C_LOOPBK = 0x4000, PHY_C_SPEEDSL = 0x2000,
 512         PHY_C_ANEGEN = 0x1000, PHY_C_PWRDN = 0x0800, PHY_C_ISO = 0x0400,
 513         PHY_C_RANEG = 0x0200, PHY_C_DUPLEX = 0x0100, PHY_C_COLT = 0x0080,
 514 };
 515 #define DM9161_PHY_C_ANEGEN 0   /* auto nego special */
 516
 517 /* PHY_STAT */
 518 enum PHY_STAT_BIT {
 519         PHY_S_100T4 = 0x8000, PHY_S_100X_F = 0x4000, PHY_S_100X_H = 0x2000,
 520         PHY_S_10T_F = 0x1000, PHY_S_10T_H = 0x0800, PHY_S_ANEGC = 0x0020,
 521         PHY_S_RFAULT = 0x0010, PHY_S_ANEGA = 0x0008, PHY_S_LINK = 0x0004,
 522         PHY_S_JAB = 0x0002, PHY_S_EXTD = 0x0001,
 523 };
 524
 525 /* PHY_ANA */
 526 enum PHY_ANA_BIT {
 527         PHY_A_NP = 0x8000, PHY_A_ACK = 0x4000, PHY_A_RF = 0x2000,
 528         PHY_A_FCS = 0x0400, PHY_A_T4 = 0x0200, PHY_A_FDX = 0x0100,
 529         PHY_A_HDX = 0x0080, PHY_A_10FDX = 0x0040, PHY_A_10HDX = 0x0020,
 530         PHY_A_SEL = 0x001e,
 531 };
 532 /* PHY_ANL */
 533 enum PHY_ANL_BIT {
 534         PHY_L_NP = 0x8000, PHY_L_ACK = 0x4000, PHY_L_RF = 0x2000,
 535         PHY_L_FCS = 0x0400, PHY_L_T4 = 0x0200, PHY_L_FDX = 0x0100,
 536         PHY_L_HDX = 0x0080, PHY_L_10FDX = 0x0040, PHY_L_10HDX = 0x0020,
 537         PHY_L_SEL = 0x001f,
 538 };
 539
 540 /* PHY_ANE */
 541 enum PHY_ANE_BIT {
 542         PHY_E_PDF = 0x0010, PHY_E_LPNPA = 0x0008, PHY_E_NPA = 0x0004,
 543         PHY_E_PRX = 0x0002, PHY_E_LPANEGA = 0x0001,
 544 };
 545
 546 /* DM9161 */
 547 enum PHY_16_BIT {
 548         PHY_16_BP4B45 = 0x8000, PHY_16_BPSCR = 0x4000, PHY_16_BPALIGN = 0x2000,
 549         PHY_16_BP_ADPOK = 0x1000, PHY_16_Repeatmode = 0x0800,
 550         PHY_16_TXselect = 0x0400,
 551         PHY_16_Rsvd = 0x0200, PHY_16_RMIIEnable = 0x0100,
 552         PHY_16_Force100LNK = 0x0080,
 553         PHY_16_APDLED_CTL = 0x0040, PHY_16_COLLED_CTL = 0x0020,
 554         PHY_16_RPDCTR_EN = 0x0010,
 555         PHY_16_ResetStMch = 0x0008, PHY_16_PreamSupr = 0x0004,
 556         PHY_16_Sleepmode = 0x0002,
 557         PHY_16_RemoteLoopOut = 0x0001,
 558 };
 559
 560 #define POST_RX         0x08
 561 #define POST_FW         0x04
 562 #define POST0_RX        (POST_RX)
 563 #define POST0_FW        (POST_FW)
 564 #define POST1_RX        (POST_RX >> 2)
 565 #define POST1_FW        (POST_FW >> 2)
 566 #define POST_ALL        (POST0_RX | POST0_FW | POST1_RX | POST1_FW)
 567
 568 /* ARSTR */
 569 enum ARSTR_BIT { ARSTR_ARSTR = 0x00000001, };
 570
 571 /* TSU_FWEN0 */
 572 enum TSU_FWEN0_BIT {
 573         TSU_FWEN0_0 = 0x00000001,
 574 };
 575
 576 /* TSU_ADSBSY */
 577 enum TSU_ADSBSY_BIT {
 578         TSU_ADSBSY_0 = 0x00000001,
 579 };
 580
 581 /* TSU_TEN */
 582 enum TSU_TEN_BIT {
 583         TSU_TEN_0 = 0x80000000,
 584 };
 585
 586 /* TSU_FWSL0 */
 587 enum TSU_FWSL0_BIT {
 588         TSU_FWSL0_FW50 = 0x1000, TSU_FWSL0_FW40 = 0x0800,
 589         TSU_FWSL0_FW30 = 0x0400, TSU_FWSL0_FW20 = 0x0200,
 590         TSU_FWSL0_FW10 = 0x0100, TSU_FWSL0_RMSA0 = 0x0010,
 591 };
 592
 593 /* TSU_FWSLC */
 594 enum TSU_FWSLC_BIT {
 595         TSU_FWSLC_POSTENU = 0x2000, TSU_FWSLC_POSTENL = 0x1000,
 596         TSU_FWSLC_CAMSEL03 = 0x0080, TSU_FWSLC_CAMSEL02 = 0x0040,
 597         TSU_FWSLC_CAMSEL01 = 0x0020, TSU_FWSLC_CAMSEL00 = 0x0010,
 598         TSU_FWSLC_CAMSEL13 = 0x0008, TSU_FWSLC_CAMSEL12 = 0x0004,
 599         TSU_FWSLC_CAMSEL11 = 0x0002, TSU_FWSLC_CAMSEL10 = 0x0001,
 600 };
 601
 602 /*
 603  * The sh ether Tx buffer descriptors.
 604  * This structure should be 20 bytes.
 605  */
 606 struct sh_eth_txdesc {
 607         u32 status;             /* TD0 */
 608 #if defined(CONFIG_CPU_LITTLE_ENDIAN)
 609         u16 pad0;               /* TD1 */
 610         u16 buffer_length;      /* TD1 */
 611 #else
 612         u16 buffer_length;      /* TD1 */
 613         u16 pad0;               /* TD1 */
 614 #endif
 615         u32 addr;               /* TD2 */
 616         u32 pad1;               /* padding data */
 617 } __attribute__((aligned(2), packed));
 618
 619 /*
 620  * The sh ether Rx buffer descriptors.
 621  * This structure should be 20 bytes.
 622  */
 623 struct sh_eth_rxdesc {
 624         u32 status;             /* RD0 */
 625 #if defined(CONFIG_CPU_LITTLE_ENDIAN)
 626         u16 frame_length;       /* RD1 */
 627         u16 buffer_length;      /* RD1 */
 628 #else
 629         u16 buffer_length;      /* RD1 */
 630         u16 frame_length;       /* RD1 */
 631 #endif
 632         u32 addr;               /* RD2 */
 633         u32 pad0;               /* padding data */
 634 } __attribute__((aligned(2), packed));
 635
 636 struct sh_eth_private {
 637         dma_addr_t rx_desc_dma;
 638         dma_addr_t tx_desc_dma;
 639         struct sh_eth_rxdesc *rx_ring;
 640         struct sh_eth_txdesc *tx_ring;
 641         struct sk_buff **rx_skbuff;
 642         struct sk_buff **tx_skbuff;
 643         struct net_device_stats stats;
 644         struct timer_list timer;
 645         spinlock_t lock;
 646         u32 cur_rx, dirty_rx;   /* Producer/consumer ring indices */
 647         u32 cur_tx, dirty_tx;
 648         u32 rx_buf_sz;          /* Based on MTU+slack. */
 649         int edmac_endian;
 650         /* MII transceiver section. */
 651         u32 phy_id;                                     /* PHY ID */
 652         struct mii_bus *mii_bus;        /* MDIO bus control */
 653         struct phy_device *phydev;      /* PHY device control */
 654         enum phy_state link;
 655         int msg_enable;
 656         int speed;
 657         int duplex;
 658         u32 rx_int_var, tx_int_var;     /* interrupt control variables */
 659         char post_rx;           /* POST receive */
 660         char post_fw;           /* POST forward */
 661         struct net_device_stats tsu_stats;      /* TSU forward status */
 662 };
 663
 664 #ifdef CONFIG_CPU_SUBTYPE_SH7763
 665 /* SH7763 has endian control register */
 666 #define swaps(x, y)
 667 #else
 668 static void swaps(char *src, int len)
 669 {
 670 #ifdef __LITTLE_ENDIAN__
 671         u32 *p = (u32 *)src;
 672         u32 *maxp;
 673         maxp = p + ((len + sizeof(u32) - 1) / sizeof(u32));
 674
 675         for (; p < maxp; p++)
 676                 *p = swab32(*p);
 677 #endif
 678 }
 679 #endif /* CONFIG_CPU_SUBTYPE_SH7763 */
 680 #endif