drivers/tsec.h

   1 /*
   2  *  tsec.h
   3  *
   4  *  Driver for the Motorola Triple Speed Ethernet Controller
   5  *
   6  *  This software may be used and distributed according to the
   7  *  terms of the GNU Public License, Version 2, incorporated
   8  *  herein by reference.
   9  *
  10  * Copyright 2004, 2007 Freescale Semiconductor, Inc.
  11  * (C) Copyright 2003, Motorola, Inc.
  12  * maintained by Xianghua Xiao (x.xiao@motorola.com)
  13  * author Andy Fleming
  14  *
  15  */
  16
  17 #ifndef __TSEC_H
  18 #define __TSEC_H
  19
  20 #include <net.h>
  21 #include <config.h>
  22
  23 #ifndef CFG_TSEC1_OFFSET
  24     #define CFG_TSEC1_OFFSET    (0x24000)
  25 #endif
  26
  27 #define TSEC_SIZE       0x01000
  28
  29 /* FIXME:  Should these be pushed back to 83xx and 85xx config files? */
  30 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
  31     #define TSEC_BASE_ADDR      (CFG_IMMR + CFG_TSEC1_OFFSET)
  32 #elif defined(CONFIG_MPC83XX)
  33     #define TSEC_BASE_ADDR      (CFG_IMMR + CFG_TSEC1_OFFSET)
  34 #endif
  35
  36
  37 #define MAC_ADDR_LEN 6
  38
  39 /* #define TSEC_TIMEOUT         1000000 */
  40 #define TSEC_TIMEOUT 1000
  41 #define TOUT_LOOP       1000000
  42
  43 #define PHY_AUTONEGOTIATE_TIMEOUT       5000 /* in ms */
  44
  45 /* MAC register bits */
  46 #define MACCFG1_SOFT_RESET      0x80000000
  47 #define MACCFG1_RESET_RX_MC     0x00080000
  48 #define MACCFG1_RESET_TX_MC     0x00040000
  49 #define MACCFG1_RESET_RX_FUN    0x00020000
  50 #define MACCFG1_RESET_TX_FUN    0x00010000
  51 #define MACCFG1_LOOPBACK        0x00000100
  52 #define MACCFG1_RX_FLOW         0x00000020
  53 #define MACCFG1_TX_FLOW         0x00000010
  54 #define MACCFG1_SYNCD_RX_EN     0x00000008
  55 #define MACCFG1_RX_EN           0x00000004
  56 #define MACCFG1_SYNCD_TX_EN     0x00000002
  57 #define MACCFG1_TX_EN           0x00000001
  58
  59 #define MACCFG2_INIT_SETTINGS   0x00007205
  60 #define MACCFG2_FULL_DUPLEX     0x00000001
  61 #define MACCFG2_IF              0x00000300
  62 #define MACCFG2_GMII            0x00000200
  63 #define MACCFG2_MII             0x00000100
  64
  65 #define ECNTRL_INIT_SETTINGS    0x00001000
  66 #define ECNTRL_TBI_MODE         0x00000020
  67 #define ECNTRL_R100             0x00000008
  68 #define ECNTRL_SGMII_MODE       0x00000002
  69
  70 #define miim_end -2
  71 #define miim_read -1
  72
  73 #define TBIPA_VALUE             0x1f
  74 #define MIIMCFG_INIT_VALUE      0x00000003
  75 #define MIIMCFG_RESET           0x80000000
  76
  77 #define MIIMIND_BUSY            0x00000001
  78 #define MIIMIND_NOTVALID        0x00000004
  79
  80 #define MIIM_CONTROL            0x00
  81 #define MIIM_CONTROL_RESET      0x00009140
  82 #define MIIM_CONTROL_INIT       0x00001140
  83 #define MIIM_CONTROL_RESTART    0x00001340
  84 #define MIIM_ANEN               0x00001000
  85
  86 #define MIIM_CR                 0x00
  87 #define MIIM_CR_RST             0x00008000
  88 #define MIIM_CR_INIT            0x00001000
  89
  90 #define MIIM_STATUS             0x1
  91 #define MIIM_STATUS_AN_DONE     0x00000020
  92 #define MIIM_STATUS_LINK        0x0004
  93 #define PHY_BMSR_AUTN_ABLE      0x0008
  94 #define PHY_BMSR_AUTN_COMP      0x0020
  95
  96 #define MIIM_PHYIR1             0x2
  97 #define MIIM_PHYIR2             0x3
  98
  99 #define MIIM_ANAR               0x4
 100 #define MIIM_ANAR_INIT          0x1e1
 101
 102 #define MIIM_TBI_ANLPBPA        0x5
 103 #define MIIM_TBI_ANLPBPA_HALF   0x00000040
 104 #define MIIM_TBI_ANLPBPA_FULL   0x00000020
 105
 106 #define MIIM_TBI_ANEX           0x6
 107 #define MIIM_TBI_ANEX_NP        0x00000004
 108 #define MIIM_TBI_ANEX_PRX       0x00000002
 109
 110 #define MIIM_GBIT_CONTROL       0x9
 111 #define MIIM_GBIT_CONTROL_INIT  0xe00
 112
 113 /* Broadcom BCM54xx -- taken from linux sungem_phy */
 114 #define MIIM_BCM54xx_AUXSTATUS                  0x19
 115 #define MIIM_BCM54xx_AUXSTATUS_LINKMODE_MASK    0x0700
 116 #define MIIM_BCM54xx_AUXSTATUS_LINKMODE_SHIFT   8
 117
 118 /* Cicada Auxiliary Control/Status Register */
 119 #define MIIM_CIS8201_AUX_CONSTAT        0x1c
 120 #define MIIM_CIS8201_AUXCONSTAT_INIT    0x0004
 121 #define MIIM_CIS8201_AUXCONSTAT_DUPLEX  0x0020
 122 #define MIIM_CIS8201_AUXCONSTAT_SPEED   0x0018
 123 #define MIIM_CIS8201_AUXCONSTAT_GBIT    0x0010
 124 #define MIIM_CIS8201_AUXCONSTAT_100     0x0008
 125
 126 /* Cicada Extended Control Register 1 */
 127 #define MIIM_CIS8201_EXT_CON1           0x17
 128 #define MIIM_CIS8201_EXTCON1_INIT       0x0000
 129
 130 /* Cicada 8204 Extended PHY Control Register 1 */
 131 #define MIIM_CIS8204_EPHY_CON           0x17
 132 #define MIIM_CIS8204_EPHYCON_INIT       0x0006
 133 #define MIIM_CIS8204_EPHYCON_RGMII      0x1100
 134
 135 /* Cicada 8204 Serial LED Control Register */
 136 #define MIIM_CIS8204_SLED_CON           0x1b
 137 #define MIIM_CIS8204_SLEDCON_INIT       0x1115
 138
 139 #define MIIM_GBIT_CON           0x09
 140 #define MIIM_GBIT_CON_ADVERT    0x0e00
 141
 142 /* Entry for Vitesse VSC8244 regs starts here */
 143 /* Vitesse VSC8244 Auxiliary Control/Status Register */
 144 #define MIIM_VSC8244_AUX_CONSTAT        0x1c
 145 #define MIIM_VSC8244_AUXCONSTAT_INIT    0x0000
 146 #define MIIM_VSC8244_AUXCONSTAT_DUPLEX  0x0020
 147 #define MIIM_VSC8244_AUXCONSTAT_SPEED   0x0018
 148 #define MIIM_VSC8244_AUXCONSTAT_GBIT    0x0010
 149 #define MIIM_VSC8244_AUXCONSTAT_100     0x0008
 150 #define MIIM_CONTROL_INIT_LOOPBACK      0x4000
 151
 152 /* Vitesse VSC8244 Extended PHY Control Register 1 */
 153 #define MIIM_VSC8244_EPHY_CON           0x17
 154 #define MIIM_VSC8244_EPHYCON_INIT       0x0006
 155
 156 /* Vitesse VSC8244 Serial LED Control Register */
 157 #define MIIM_VSC8244_LED_CON            0x1b
 158 #define MIIM_VSC8244_LEDCON_INIT        0xF011
 159
 160 /* 88E1011 PHY Status Register */
 161 #define MIIM_88E1011_PHY_STATUS         0x11
 162 #define MIIM_88E1011_PHYSTAT_SPEED      0xc000
 163 #define MIIM_88E1011_PHYSTAT_GBIT       0x8000
 164 #define MIIM_88E1011_PHYSTAT_100        0x4000
 165 #define MIIM_88E1011_PHYSTAT_DUPLEX     0x2000
 166 #define MIIM_88E1011_PHYSTAT_SPDDONE    0x0800
 167 #define MIIM_88E1011_PHYSTAT_LINK       0x0400
 168
 169 #define MIIM_88E1011_PHY_SCR            0x10
 170 #define MIIM_88E1011_PHY_MDI_X_AUTO     0x0060
 171
 172 /* 88E1111 PHY LED Control Register */
 173 #define MIIM_88E1111_PHY_LED_CONTROL   24
 174 #define MIIM_88E1111_PHY_LED_DIRECT    0x4100
 175 #define MIIM_88E1111_PHY_LED_COMBINE   0x411C
 176
 177 /* 88E1145 Extended PHY Specific Control Register */
 178 #define MIIM_88E1145_PHY_EXT_CR 20
 179 #define MIIM_M88E1145_RGMII_RX_DELAY    0x0080
 180 #define MIIM_M88E1145_RGMII_TX_DELAY    0x0002
 181
 182 #define MIIM_88E1145_PHY_PAGE   29
 183 #define MIIM_88E1145_PHY_CAL_OV 30
 184
 185
 186 /* DM9161 Control register values */
 187 #define MIIM_DM9161_CR_STOP     0x0400
 188 #define MIIM_DM9161_CR_RSTAN    0x1200
 189
 190 #define MIIM_DM9161_SCR         0x10
 191 #define MIIM_DM9161_SCR_INIT    0x0610
 192
 193 /* DM9161 Specified Configuration and Status Register */
 194 #define MIIM_DM9161_SCSR        0x11
 195 #define MIIM_DM9161_SCSR_100F   0x8000
 196 #define MIIM_DM9161_SCSR_100H   0x4000
 197 #define MIIM_DM9161_SCSR_10F    0x2000
 198 #define MIIM_DM9161_SCSR_10H    0x1000
 199
 200 /* DM9161 10BT Configuration/Status */
 201 #define MIIM_DM9161_10BTCSR     0x12
 202 #define MIIM_DM9161_10BTCSR_INIT        0x7800
 203
 204 /* LXT971 Status 2 registers */
 205 #define MIIM_LXT971_SR2              0x11  /* Status Register 2  */
 206 #define MIIM_LXT971_SR2_SPEED_MASK 0x4200
 207 #define MIIM_LXT971_SR2_10HDX      0x0000  /*  10 Mbit half duplex selected */
 208 #define MIIM_LXT971_SR2_10FDX      0x0200  /*  10 Mbit full duplex selected */
 209 #define MIIM_LXT971_SR2_100HDX     0x4000  /* 100 Mbit half duplex selected */
 210 #define MIIM_LXT971_SR2_100FDX     0x4200  /* 100 Mbit full duplex selected */
 211
 212 /* DP83865 Control register values */
 213 #define MIIM_DP83865_CR_INIT    0x9200
 214
 215 /* DP83865 Link and Auto-Neg Status Register */
 216 #define MIIM_DP83865_LANR       0x11
 217 #define MIIM_DP83865_SPD_MASK   0x0018
 218 #define MIIM_DP83865_SPD_1000   0x0010
 219 #define MIIM_DP83865_SPD_100    0x0008
 220 #define MIIM_DP83865_DPX_FULL   0x0002
 221
 222 #define MIIM_READ_COMMAND       0x00000001
 223
 224 #define MRBLR_INIT_SETTINGS     PKTSIZE_ALIGN
 225
 226 #define MINFLR_INIT_SETTINGS    0x00000040
 227
 228 #define DMACTRL_INIT_SETTINGS   0x000000c3
 229 #define DMACTRL_GRS             0x00000010
 230 #define DMACTRL_GTS             0x00000008
 231
 232 #define TSTAT_CLEAR_THALT       0x80000000
 233 #define RSTAT_CLEAR_RHALT       0x00800000
 234
 235
 236 #define IEVENT_INIT_CLEAR       0xffffffff
 237 #define IEVENT_BABR             0x80000000
 238 #define IEVENT_RXC              0x40000000
 239 #define IEVENT_BSY              0x20000000
 240 #define IEVENT_EBERR            0x10000000
 241 #define IEVENT_MSRO             0x04000000
 242 #define IEVENT_GTSC             0x02000000
 243 #define IEVENT_BABT             0x01000000
 244 #define IEVENT_TXC              0x00800000
 245 #define IEVENT_TXE              0x00400000
 246 #define IEVENT_TXB              0x00200000
 247 #define IEVENT_TXF              0x00100000
 248 #define IEVENT_IE               0x00080000
 249 #define IEVENT_LC               0x00040000
 250 #define IEVENT_CRL              0x00020000
 251 #define IEVENT_XFUN             0x00010000
 252 #define IEVENT_RXB0             0x00008000
 253 #define IEVENT_GRSC             0x00000100
 254 #define IEVENT_RXF0             0x00000080
 255
 256 #define IMASK_INIT_CLEAR        0x00000000
 257 #define IMASK_TXEEN             0x00400000
 258 #define IMASK_TXBEN             0x00200000
 259 #define IMASK_TXFEN             0x00100000
 260 #define IMASK_RXFEN0            0x00000080
 261
 262
 263 /* Default Attribute fields */
 264 #define ATTR_INIT_SETTINGS     0x000000c0
 265 #define ATTRELI_INIT_SETTINGS  0x00000000
 266
 267
 268 /* TxBD status field bits */
 269 #define TXBD_READY              0x8000
 270 #define TXBD_PADCRC             0x4000
 271 #define TXBD_WRAP               0x2000
 272 #define TXBD_INTERRUPT          0x1000
 273 #define TXBD_LAST               0x0800
 274 #define TXBD_CRC                0x0400
 275 #define TXBD_DEF                0x0200
 276 #define TXBD_HUGEFRAME          0x0080
 277 #define TXBD_LATECOLLISION      0x0080
 278 #define TXBD_RETRYLIMIT         0x0040
 279 #define TXBD_RETRYCOUNTMASK     0x003c
 280 #define TXBD_UNDERRUN           0x0002
 281 #define TXBD_STATS              0x03ff
 282
 283 /* RxBD status field bits */
 284 #define RXBD_EMPTY              0x8000
 285 #define RXBD_RO1                0x4000
 286 #define RXBD_WRAP               0x2000
 287 #define RXBD_INTERRUPT          0x1000
 288 #define RXBD_LAST               0x0800
 289 #define RXBD_FIRST              0x0400
 290 #define RXBD_MISS               0x0100
 291 #define RXBD_BROADCAST          0x0080
 292 #define RXBD_MULTICAST          0x0040
 293 #define RXBD_LARGE              0x0020
 294 #define RXBD_NONOCTET           0x0010
 295 #define RXBD_SHORT              0x0008
 296 #define RXBD_CRCERR             0x0004
 297 #define RXBD_OVERRUN            0x0002
 298 #define RXBD_TRUNCATED          0x0001
 299 #define RXBD_STATS              0x003f
 300
 301 typedef struct txbd8
 302 {
 303         ushort       status;         /* Status Fields */
 304         ushort       length;         /* Buffer length */
 305         uint         bufPtr;         /* Buffer Pointer */
 306 } txbd8_t;
 307
 308 typedef struct rxbd8
 309 {
 310         ushort       status;         /* Status Fields */
 311         ushort       length;         /* Buffer Length */
 312         uint         bufPtr;         /* Buffer Pointer */
 313 } rxbd8_t;
 314
 315 typedef struct rmon_mib
 316 {
 317         /* Transmit and Receive Counters */
 318         uint    tr64;           /* Transmit and Receive 64-byte Frame Counter */
 319         uint    tr127;          /* Transmit and Receive 65-127 byte Frame Counter */
 320         uint    tr255;          /* Transmit and Receive 128-255 byte Frame Counter */
 321         uint    tr511;          /* Transmit and Receive 256-511 byte Frame Counter */
 322         uint    tr1k;           /* Transmit and Receive 512-1023 byte Frame Counter */
 323         uint    trmax;          /* Transmit and Receive 1024-1518 byte Frame Counter */
 324         uint    trmgv;          /* Transmit and Receive 1519-1522 byte Good VLAN Frame */
 325         /* Receive Counters */
 326         uint    rbyt;           /* Receive Byte Counter */
 327         uint    rpkt;           /* Receive Packet Counter */
 328         uint    rfcs;           /* Receive FCS Error Counter */
 329         uint    rmca;           /* Receive Multicast Packet (Counter) */
 330         uint    rbca;           /* Receive Broadcast Packet */
 331         uint    rxcf;           /* Receive Control Frame Packet */
 332         uint    rxpf;           /* Receive Pause Frame Packet */
 333         uint    rxuo;           /* Receive Unknown OP Code */
 334         uint    raln;           /* Receive Alignment Error */
 335         uint    rflr;           /* Receive Frame Length Error */
 336         uint    rcde;           /* Receive Code Error */
 337         uint    rcse;           /* Receive Carrier Sense Error */
 338         uint    rund;           /* Receive Undersize Packet */
 339         uint    rovr;           /* Receive Oversize Packet */
 340         uint    rfrg;           /* Receive Fragments */
 341         uint    rjbr;           /* Receive Jabber */
 342         uint    rdrp;           /* Receive Drop */
 343         /* Transmit Counters */
 344         uint    tbyt;           /* Transmit Byte Counter */
 345         uint    tpkt;           /* Transmit Packet */
 346         uint    tmca;           /* Transmit Multicast Packet */
 347         uint    tbca;           /* Transmit Broadcast Packet */
 348         uint    txpf;           /* Transmit Pause Control Frame */
 349         uint    tdfr;           /* Transmit Deferral Packet */
 350         uint    tedf;           /* Transmit Excessive Deferral Packet */
 351         uint    tscl;           /* Transmit Single Collision Packet */
 352         /* (0x2_n700) */
 353         uint    tmcl;           /* Transmit Multiple Collision Packet */
 354         uint    tlcl;           /* Transmit Late Collision Packet */
 355         uint    txcl;           /* Transmit Excessive Collision Packet */
 356         uint    tncl;           /* Transmit Total Collision */
 357
 358         uint    res2;
 359
 360         uint    tdrp;           /* Transmit Drop Frame */
 361         uint    tjbr;           /* Transmit Jabber Frame */
 362         uint    tfcs;           /* Transmit FCS Error */
 363         uint    txcf;           /* Transmit Control Frame */
 364         uint    tovr;           /* Transmit Oversize Frame */
 365         uint    tund;           /* Transmit Undersize Frame */
 366         uint    tfrg;           /* Transmit Fragments Frame */
 367         /* General Registers */
 368         uint    car1;           /* Carry Register One */
 369         uint    car2;           /* Carry Register Two */
 370         uint    cam1;           /* Carry Register One Mask */
 371         uint    cam2;           /* Carry Register Two Mask */
 372 } rmon_mib_t;
 373
 374 typedef struct tsec_hash_regs
 375 {
 376         uint    iaddr0;         /* Individual Address Register 0 */
 377         uint    iaddr1;         /* Individual Address Register 1 */
 378         uint    iaddr2;         /* Individual Address Register 2 */
 379         uint    iaddr3;         /* Individual Address Register 3 */
 380         uint    iaddr4;         /* Individual Address Register 4 */
 381         uint    iaddr5;         /* Individual Address Register 5 */
 382         uint    iaddr6;         /* Individual Address Register 6 */
 383         uint    iaddr7;         /* Individual Address Register 7 */
 384         uint    res1[24];
 385         uint    gaddr0;         /* Group Address Register 0 */
 386         uint    gaddr1;         /* Group Address Register 1 */
 387         uint    gaddr2;         /* Group Address Register 2 */
 388         uint    gaddr3;         /* Group Address Register 3 */
 389         uint    gaddr4;         /* Group Address Register 4 */
 390         uint    gaddr5;         /* Group Address Register 5 */
 391         uint    gaddr6;         /* Group Address Register 6 */
 392         uint    gaddr7;         /* Group Address Register 7 */
 393         uint    res2[24];
 394 } tsec_hash_t;
 395
 396 typedef struct tsec
 397 {
 398         /* General Control and Status Registers (0x2_n000) */
 399         uint    res000[4];
 400
 401         uint    ievent;         /* Interrupt Event */
 402         uint    imask;          /* Interrupt Mask */
 403         uint    edis;           /* Error Disabled */
 404         uint    res01c;
 405         uint    ecntrl;         /* Ethernet Control */
 406         uint    minflr;         /* Minimum Frame Length */
 407         uint    ptv;            /* Pause Time Value */
 408         uint    dmactrl;        /* DMA Control */
 409         uint    tbipa;          /* TBI PHY Address */
 410
 411         uint    res034[3];
 412         uint    res040[48];
 413
 414         /* Transmit Control and Status Registers (0x2_n100) */
 415         uint    tctrl;          /* Transmit Control */
 416         uint    tstat;          /* Transmit Status */
 417         uint    res108;
 418         uint    tbdlen;         /* Tx BD Data Length */
 419         uint    res110[5];
 420         uint    ctbptr;         /* Current TxBD Pointer */
 421         uint    res128[23];
 422         uint    tbptr;          /* TxBD Pointer */
 423         uint    res188[30];
 424         /* (0x2_n200) */
 425         uint        res200;
 426         uint    tbase;          /* TxBD Base Address */
 427         uint    res208[42];
 428         uint    ostbd;          /* Out of Sequence TxBD */
 429         uint    ostbdp;         /* Out of Sequence Tx Data Buffer Pointer */
 430         uint        res2b8[18];
 431
 432         /* Receive Control and Status Registers (0x2_n300) */
 433         uint    rctrl;          /* Receive Control */
 434         uint    rstat;          /* Receive Status */
 435         uint    res308;
 436         uint    rbdlen;         /* RxBD Data Length */
 437         uint    res310[4];
 438         uint        res320;
 439         uint    crbptr;         /* Current Receive Buffer Pointer */
 440         uint    res328[6];
 441         uint    mrblr;          /* Maximum Receive Buffer Length */
 442         uint    res344[16];
 443         uint    rbptr;          /* RxBD Pointer */
 444         uint        res388[30];
 445         /* (0x2_n400) */
 446         uint        res400;
 447         uint    rbase;          /* RxBD Base Address */
 448         uint        res408[62];
 449
 450         /* MAC Registers (0x2_n500) */
 451         uint    maccfg1;        /* MAC Configuration #1 */
 452         uint    maccfg2;        /* MAC Configuration #2 */
 453         uint    ipgifg;         /* Inter Packet Gap/Inter Frame Gap */
 454         uint    hafdup;         /* Half-duplex */
 455         uint    maxfrm;         /* Maximum Frame */
 456         uint    res514;
 457         uint    res518;
 458
 459         uint    res51c;
 460
 461         uint    miimcfg;        /* MII Management: Configuration */
 462         uint    miimcom;        /* MII Management: Command */
 463         uint    miimadd;        /* MII Management: Address */
 464         uint    miimcon;        /* MII Management: Control */
 465         uint    miimstat;       /* MII Management: Status */
 466         uint    miimind;        /* MII Management: Indicators */
 467
 468         uint    res538;
 469
 470         uint    ifstat;         /* Interface Status */
 471         uint    macstnaddr1;    /* Station Address, part 1 */
 472         uint    macstnaddr2;    /* Station Address, part 2 */
 473         uint    res548[46];
 474
 475         /* (0x2_n600) */
 476         uint    res600[32];
 477
 478         /* RMON MIB Registers (0x2_n680-0x2_n73c) */
 479         rmon_mib_t      rmon;
 480         uint    res740[48];
 481
 482         /* Hash Function Registers (0x2_n800) */
 483         tsec_hash_t     hash;
 484
 485         uint        res900[128];
 486
 487         /* Pattern Registers (0x2_nb00) */
 488         uint        resb00[62];
 489         uint        attr;          /* Default Attribute Register */
 490         uint        attreli;       /* Default Attribute Extract Length and Index */
 491
 492         /* TSEC Future Expansion Space (0x2_nc00-0x2_nffc) */
 493         uint    resc00[256];
 494 } tsec_t;
 495
 496 #define TSEC_GIGABIT (1)
 497
 498 /* This flag currently only has
 499  * meaning if we're using the eTSEC */
 500 #define TSEC_REDUCED (1 << 1)
 501
 502 struct tsec_private {
 503         volatile tsec_t *regs;
 504         volatile tsec_t *phyregs;
 505         struct phy_info *phyinfo;
 506         uint phyaddr;
 507         u32 flags;
 508         uint link;
 509         uint duplexity;
 510         uint speed;
 511 };
 512
 513
 514 /*
 515  * struct phy_cmd:  A command for reading or writing a PHY register
 516  *
 517  * mii_reg:  The register to read or write
 518  *
 519  * mii_data:  For writes, the value to put in the register.
 520  *      A value of -1 indicates this is a read.
 521  *
 522  * funct: A function pointer which is invoked for each command.
 523  *      For reads, this function will be passed the value read
 524  *      from the PHY, and process it.
 525  *      For writes, the result of this function will be written
 526  *      to the PHY register
 527  */
 528 struct phy_cmd {
 529     uint mii_reg;
 530     uint mii_data;
 531     uint (*funct) (uint mii_reg, struct tsec_private* priv);
 532 };
 533
 534 /* struct phy_info: a structure which defines attributes for a PHY
 535  *
 536  * id will contain a number which represents the PHY.  During
 537  * startup, the driver will poll the PHY to find out what its
 538  * UID--as defined by registers 2 and 3--is.  The 32-bit result
 539  * gotten from the PHY will be shifted right by "shift" bits to
 540  * discard any bits which may change based on revision numbers
 541  * unimportant to functionality
 542  *
 543  * The struct phy_cmd entries represent pointers to an arrays of
 544  * commands which tell the driver what to do to the PHY.
 545  */
 546 struct phy_info {
 547     uint id;
 548     char *name;
 549     uint shift;
 550     /* Called to configure the PHY, and modify the controller
 551      * based on the results */
 552     struct phy_cmd *config;
 553
 554     /* Called when starting up the controller */
 555     struct phy_cmd *startup;
 556
 557     /* Called when bringing down the controller */
 558     struct phy_cmd *shutdown;
 559 };
 560
 561 #endif /* __TSEC_H */