jme.h

   1 /*
   2  * JMicron JMC2x0 series PCIe Ethernet Linux Device Driver
   3  *
   4  * Copyright 2008 JMicron Technology Corporation
   5  * http://www.jmicron.com/
   6  *
   7  * Author: Guo-Fu Tseng <cooldavid@cooldavid.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  *
  22  */
  23
  24 #ifndef __JME_H_INCLUDED__
  25 #define __JME_H_INCLUDEE__
  26
  27 #define DRV_NAME        "jme"
  28 #define DRV_VERSION     "1.0.2"
  29 #define PFX             DRV_NAME ": "
  30
  31 #define PCI_DEVICE_ID_JMICRON_JMC250    0x0250
  32 #define PCI_DEVICE_ID_JMICRON_JMC260    0x0260
  33
  34 /*
  35  * Message related definitions
  36  */
  37 #define JME_DEF_MSG_ENABLE \
  38         (NETIF_MSG_PROBE | \
  39         NETIF_MSG_LINK | \
  40         NETIF_MSG_RX_ERR | \
  41         NETIF_MSG_TX_ERR | \
  42         NETIF_MSG_HW)
  43
  44 #define jeprintk(pdev, fmt, args...) \
  45         printk(KERN_ERR PFX fmt, ## args)
  46
  47 #ifdef TX_DEBUG
  48 #define tx_dbg(priv, fmt, args...) \
  49         printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ## args)
  50 #else
  51 #define tx_dbg(priv, fmt, args...)
  52 #endif
  53
  54 #define jme_msg(msglvl, type, priv, fmt, args...) \
  55         if (netif_msg_##type(priv)) \
  56                 printk(msglvl "%s: " fmt, (priv)->dev->name, ## args)
  57
  58 #define msg_probe(priv, fmt, args...) \
  59         jme_msg(KERN_INFO, probe, priv, fmt, ## args)
  60
  61 #define msg_link(priv, fmt, args...) \
  62         jme_msg(KERN_INFO, link, priv, fmt, ## args)
  63
  64 #define msg_intr(priv, fmt, args...) \
  65         jme_msg(KERN_INFO, intr, priv, fmt, ## args)
  66
  67 #define msg_rx_err(priv, fmt, args...) \
  68         jme_msg(KERN_ERR, rx_err, priv, fmt, ## args)
  69
  70 #define msg_rx_status(priv, fmt, args...) \
  71         jme_msg(KERN_INFO, rx_status, priv, fmt, ## args)
  72
  73 #define msg_tx_err(priv, fmt, args...) \
  74         jme_msg(KERN_ERR, tx_err, priv, fmt, ## args)
  75
  76 #define msg_tx_done(priv, fmt, args...) \
  77         jme_msg(KERN_INFO, tx_done, priv, fmt, ## args)
  78
  79 #define msg_tx_queued(priv, fmt, args...) \
  80         jme_msg(KERN_INFO, tx_queued, priv, fmt, ## args)
  81
  82 #define msg_hw(priv, fmt, args...) \
  83         jme_msg(KERN_ERR, hw, priv, fmt, ## args)
  84
  85 /*
  86  * Extra PCI Configuration space interface
  87  */
  88 #define PCI_DCSR_MRRS           0x59
  89 #define PCI_DCSR_MRRS_MASK      0x70
  90
  91 enum pci_dcsr_mrrs_vals {
  92         MRRS_128B       = 0x00,
  93         MRRS_256B       = 0x10,
  94         MRRS_512B       = 0x20,
  95         MRRS_1024B      = 0x30,
  96         MRRS_2048B      = 0x40,
  97         MRRS_4096B      = 0x50,
  98 };
  99
 100 #define PCI_SPI                 0xB0
 101
 102 enum pci_spi_bits {
 103         SPI_EN          = 0x10,
 104         SPI_MISO        = 0x08,
 105         SPI_MOSI        = 0x04,
 106         SPI_SCLK        = 0x02,
 107         SPI_CS          = 0x01,
 108 };
 109
 110 struct jme_spi_op {
 111         void __user *uwbuf;
 112         void __user *urbuf;
 113         __u8    wn;     /* Number of write actions */
 114         __u8    rn;     /* Number of read actions */
 115         __u8    bitn;   /* Number of bits per action */
 116         __u8    spd;    /* The maxim acceptable speed of controller, in MHz.*/
 117         __u8    mode;   /* CPOL, CPHA, and Duplex mode of SPI */
 118
 119         /* Internal use only */
 120         u8      *kwbuf;
 121         u8      *krbuf;
 122         u8      sr;
 123         u16     halfclk; /* Half of clock cycle calculated from spd, in ns */
 124 };
 125
 126 enum jme_spi_op_bits {
 127         SPI_MODE_CPHA   = 0x01,
 128         SPI_MODE_CPOL   = 0x02,
 129         SPI_MODE_DUP    = 0x80,
 130 };
 131
 132 #define HALF_US 500     /* 500 ns */
 133 #define JMESPIIOCTL     SIOCDEVPRIVATE
 134
 135 /*
 136  * Dynamic(adaptive)/Static PCC values
 137  */
 138 enum dynamic_pcc_values {
 139         PCC_OFF         = 0,
 140         PCC_P1          = 1,
 141         PCC_P2          = 2,
 142         PCC_P3          = 3,
 143
 144         PCC_OFF_TO      = 0,
 145         PCC_P1_TO       = 1,
 146         PCC_P2_TO       = 64,
 147         PCC_P3_TO       = 128,
 148
 149         PCC_OFF_CNT     = 0,
 150         PCC_P1_CNT      = 1,
 151         PCC_P2_CNT      = 16,
 152         PCC_P3_CNT      = 32,
 153 };
 154 struct dynpcc_info {
 155         unsigned long   last_bytes;
 156         unsigned long   last_pkts;
 157         unsigned long   intr_cnt;
 158         unsigned char   cur;
 159         unsigned char   attempt;
 160         unsigned char   cnt;
 161 };
 162 #define PCC_INTERVAL_US 100000
 163 #define PCC_INTERVAL (HZ / (1000000 / PCC_INTERVAL_US))
 164 #define PCC_P3_THRESHOLD (2 * 1024 * 1024)
 165 #define PCC_P2_THRESHOLD 800
 166 #define PCC_INTR_THRESHOLD 800
 167 #define PCC_TX_TO 1000
 168 #define PCC_TX_CNT 8
 169
 170 /*
 171  * TX/RX Descriptors
 172  *
 173  * TX/RX Ring DESC Count Must be multiple of 16 and <= 1024
 174  */
 175 #define RING_DESC_ALIGN         16      /* Descriptor alignment */
 176 #define TX_DESC_SIZE            16
 177 #define TX_RING_NR              8
 178 #define TX_RING_ALLOC_SIZE(s)   ((s * TX_DESC_SIZE) + RING_DESC_ALIGN)
 179
 180 struct txdesc {
 181         union {
 182                 __u8    all[16];
 183                 __le32  dw[4];
 184                 struct {
 185                         /* DW0 */
 186                         __le16  vlan;
 187                         __u8    rsv1;
 188                         __u8    flags;
 189
 190                         /* DW1 */
 191                         __le16  datalen;
 192                         __le16  mss;
 193
 194                         /* DW2 */
 195                         __le16  pktsize;
 196                         __le16  rsv2;
 197
 198                         /* DW3 */
 199                         __le32  bufaddr;
 200                 } desc1;
 201                 struct {
 202                         /* DW0 */
 203                         __le16  rsv1;
 204                         __u8    rsv2;
 205                         __u8    flags;
 206
 207                         /* DW1 */
 208                         __le16  datalen;
 209                         __le16  rsv3;
 210
 211                         /* DW2 */
 212                         __le32  bufaddrh;
 213
 214                         /* DW3 */
 215                         __le32  bufaddrl;
 216                 } desc2;
 217                 struct {
 218                         /* DW0 */
 219                         __u8    ehdrsz;
 220                         __u8    rsv1;
 221                         __u8    rsv2;
 222                         __u8    flags;
 223
 224                         /* DW1 */
 225                         __le16  trycnt;
 226                         __le16  segcnt;
 227
 228                         /* DW2 */
 229                         __le16  pktsz;
 230                         __le16  rsv3;
 231
 232                         /* DW3 */
 233                         __le32  bufaddrl;
 234                 } descwb;
 235         };
 236 };
 237
 238 enum jme_txdesc_flags_bits {
 239         TXFLAG_OWN      = 0x80,
 240         TXFLAG_INT      = 0x40,
 241         TXFLAG_64BIT    = 0x20,
 242         TXFLAG_TCPCS    = 0x10,
 243         TXFLAG_UDPCS    = 0x08,
 244         TXFLAG_IPCS     = 0x04,
 245         TXFLAG_LSEN     = 0x02,
 246         TXFLAG_TAGON    = 0x01,
 247 };
 248
 249 #define TXDESC_MSS_SHIFT        2
 250 enum jme_rxdescwb_flags_bits {
 251         TXWBFLAG_OWN    = 0x80,
 252         TXWBFLAG_INT    = 0x40,
 253         TXWBFLAG_TMOUT  = 0x20,
 254         TXWBFLAG_TRYOUT = 0x10,
 255         TXWBFLAG_COL    = 0x08,
 256
 257         TXWBFLAG_ALLERR = TXWBFLAG_TMOUT |
 258                           TXWBFLAG_TRYOUT |
 259                           TXWBFLAG_COL,
 260 };
 261
 262 #define RX_DESC_SIZE            16
 263 #define RX_RING_NR              4
 264 #define RX_RING_ALLOC_SIZE(s)   ((s * RX_DESC_SIZE) + RING_DESC_ALIGN)
 265 #define RX_BUF_DMA_ALIGN        8
 266 #define RX_PREPAD_SIZE          10
 267 #define ETH_CRC_LEN             2
 268 #define RX_VLANHDR_LEN          2
 269 #define RX_EXTRA_LEN            (RX_PREPAD_SIZE + \
 270                                 ETH_HLEN + \
 271                                 ETH_CRC_LEN + \
 272                                 RX_VLANHDR_LEN + \
 273                                 RX_BUF_DMA_ALIGN)
 274
 275 struct rxdesc {
 276         union {
 277                 __u8    all[16];
 278                 __le32  dw[4];
 279                 struct {
 280                         /* DW0 */
 281                         __le16  rsv2;
 282                         __u8    rsv1;
 283                         __u8    flags;
 284
 285                         /* DW1 */
 286                         __le16  datalen;
 287                         __le16  wbcpl;
 288
 289                         /* DW2 */
 290                         __le32  bufaddrh;
 291
 292                         /* DW3 */
 293                         __le32  bufaddrl;
 294                 } desc1;
 295                 struct {
 296                         /* DW0 */
 297                         __le16  vlan;
 298                         __le16  flags;
 299
 300                         /* DW1 */
 301                         __le16  framesize;
 302                         __u8    errstat;
 303                         __u8    desccnt;
 304
 305                         /* DW2 */
 306                         __le32  rsshash;
 307
 308                         /* DW3 */
 309                         __u8    hashfun;
 310                         __u8    hashtype;
 311                         __le16  resrv;
 312                 } descwb;
 313         };
 314 };
 315
 316 enum jme_rxdesc_flags_bits {
 317         RXFLAG_OWN      = 0x80,
 318         RXFLAG_INT      = 0x40,
 319         RXFLAG_64BIT    = 0x20,
 320 };
 321
 322 enum jme_rxwbdesc_flags_bits {
 323         RXWBFLAG_OWN            = 0x8000,
 324         RXWBFLAG_INT            = 0x4000,
 325         RXWBFLAG_MF             = 0x2000,
 326         RXWBFLAG_64BIT          = 0x2000,
 327         RXWBFLAG_TCPON          = 0x1000,
 328         RXWBFLAG_UDPON          = 0x0800,
 329         RXWBFLAG_IPCS           = 0x0400,
 330         RXWBFLAG_TCPCS          = 0x0200,
 331         RXWBFLAG_UDPCS          = 0x0100,
 332         RXWBFLAG_TAGON          = 0x0080,
 333         RXWBFLAG_IPV4           = 0x0040,
 334         RXWBFLAG_IPV6           = 0x0020,
 335         RXWBFLAG_PAUSE          = 0x0010,
 336         RXWBFLAG_MAGIC          = 0x0008,
 337         RXWBFLAG_WAKEUP         = 0x0004,
 338         RXWBFLAG_DEST           = 0x0003,
 339         RXWBFLAG_DEST_UNI       = 0x0001,
 340         RXWBFLAG_DEST_MUL       = 0x0002,
 341         RXWBFLAG_DEST_BRO       = 0x0003,
 342 };
 343
 344 enum jme_rxwbdesc_desccnt_mask {
 345         RXWBDCNT_WBCPL  = 0x80,
 346         RXWBDCNT_DCNT   = 0x7F,
 347 };
 348
 349 enum jme_rxwbdesc_errstat_bits {
 350         RXWBERR_LIMIT   = 0x80,
 351         RXWBERR_MIIER   = 0x40,
 352         RXWBERR_NIBON   = 0x20,
 353         RXWBERR_COLON   = 0x10,
 354         RXWBERR_ABORT   = 0x08,
 355         RXWBERR_SHORT   = 0x04,
 356         RXWBERR_OVERUN  = 0x02,
 357         RXWBERR_CRCERR  = 0x01,
 358         RXWBERR_ALLERR  = 0xFF,
 359 };
 360
 361 /*
 362  * Buffer information corresponding to ring descriptors.
 363  */
 364 struct jme_buffer_info {
 365         struct sk_buff *skb;
 366         dma_addr_t mapping;
 367         int len;
 368         int nr_desc;
 369         unsigned long start_xmit;
 370 };
 371
 372 /*
 373  * The structure holding buffer information and ring descriptors all together.
 374  */
 375 #define MAX_RING_DESC_NR        1024
 376 struct jme_ring {
 377         void *alloc;            /* pointer to allocated memory */
 378         void *desc;             /* pointer to ring memory  */
 379         dma_addr_t dmaalloc;    /* phys address of ring alloc */
 380         dma_addr_t dma;         /* phys address for ring dma */
 381
 382         /* Buffer information corresponding to each descriptor */
 383         struct jme_buffer_info bufinf[MAX_RING_DESC_NR];
 384
 385         int next_to_use;
 386         atomic_t next_to_clean;
 387         atomic_t nr_free;
 388 };
 389
 390 #define NET_STAT(priv) (priv->dev->stats)
 391 #define NETDEV_GET_STATS(netdev, fun_ptr)
 392 #define DECLARE_NET_DEVICE_STATS
 393
 394 #define DECLARE_NAPI_STRUCT struct napi_struct napi;
 395 #define NETIF_NAPI_SET(dev, napis, pollfn, q) \
 396         netif_napi_add(dev, napis, pollfn, q);
 397 #define JME_NAPI_HOLDER(holder) struct napi_struct *holder
 398 #define JME_NAPI_WEIGHT(w) int w
 399 #define JME_NAPI_WEIGHT_VAL(w) w
 400 #define JME_NAPI_WEIGHT_SET(w, r)
 401 #define JME_RX_COMPLETE(dev, napis) netif_rx_complete(dev, napis)
 402 #define JME_NAPI_ENABLE(priv) napi_enable(&priv->napi);
 403 #define JME_NAPI_DISABLE(priv) \
 404         if (!napi_disable_pending(&priv->napi)) \
 405                 napi_disable(&priv->napi);
 406 #define JME_RX_SCHEDULE_PREP(priv) \
 407         netif_rx_schedule_prep(priv->dev, &priv->napi)
 408 #define JME_RX_SCHEDULE(priv) \
 409         __netif_rx_schedule(priv->dev, &priv->napi);
 410
 411 /*
 412  * Jmac Adapter Private data
 413  */
 414 #define SHADOW_REG_NR 8
 415 struct jme_adapter {
 416         struct pci_dev          *pdev;
 417         struct net_device       *dev;
 418         void __iomem            *regs;
 419         dma_addr_t              shadow_dma;
 420         u32                     *shadow_regs;
 421         struct mii_if_info      mii_if;
 422         struct jme_ring         rxring[RX_RING_NR];
 423         struct jme_ring         txring[TX_RING_NR];
 424         spinlock_t              phy_lock;
 425         spinlock_t              macaddr_lock;
 426         spinlock_t              rxmcs_lock;
 427         struct tasklet_struct   rxempty_task;
 428         struct tasklet_struct   rxclean_task;
 429         struct tasklet_struct   txclean_task;
 430         struct tasklet_struct   linkch_task;
 431         struct tasklet_struct   pcc_task;
 432         unsigned long           flags;
 433         u32                     reg_txcs;
 434         u32                     reg_txpfc;
 435         u32                     reg_rxcs;
 436         u32                     reg_rxmcs;
 437         u32                     reg_ghc;
 438         u32                     reg_pmcs;
 439         u32                     phylink;
 440         u32                     tx_ring_size;
 441         u32                     tx_ring_mask;
 442         u32                     tx_wake_threshold;
 443         u32                     rx_ring_size;
 444         u32                     rx_ring_mask;
 445         u8                      mrrs;
 446         unsigned int            fpgaver;
 447         unsigned int            chiprev;
 448         u8                      rev;
 449         u32                     msg_enable;
 450         struct ethtool_cmd      old_ecmd;
 451         unsigned int            old_mtu;
 452         struct vlan_group       *vlgrp;
 453         struct dynpcc_info      dpi;
 454         atomic_t                intr_sem;
 455         atomic_t                link_changing;
 456         atomic_t                tx_cleaning;
 457         atomic_t                rx_cleaning;
 458         atomic_t                rx_empty;
 459         int                     (*jme_rx)(struct sk_buff *skb);
 460         int                     (*jme_vlan_rx)(struct sk_buff *skb,
 461                                           struct vlan_group *grp,
 462                                           unsigned short vlan_tag);
 463         DECLARE_NAPI_STRUCT
 464         DECLARE_NET_DEVICE_STATS
 465 };
 466
 467 enum shadow_reg_val {
 468         SHADOW_IEVE = 0,
 469 };
 470
 471 enum jme_flags_bits {
 472         JME_FLAG_MSI            = 1,
 473         JME_FLAG_SSET           = 2,
 474         JME_FLAG_TXCSUM         = 3,
 475         JME_FLAG_TSO            = 4,
 476         JME_FLAG_POLL           = 5,
 477         JME_FLAG_SHUTDOWN       = 6,
 478 };
 479
 480 #define TX_TIMEOUT              (5 * HZ)
 481 #define JME_REG_LEN             0x500
 482 #define MAX_ETHERNET_JUMBO_PACKET_SIZE 9216
 483
 484 static inline struct jme_adapter*
 485 jme_napi_priv(struct napi_struct *napi)
 486 {
 487         struct jme_adapter *jme;
 488         jme = container_of(napi, struct jme_adapter, napi);
 489         return jme;
 490 }
 491
 492 /*
 493  * MMaped I/O Resters
 494  */
 495 enum jme_iomap_offsets {
 496         JME_MAC         = 0x0000,
 497         JME_PHY         = 0x0400,
 498         JME_MISC        = 0x0800,
 499         JME_RSS         = 0x0C00,
 500 };
 501
 502 enum jme_iomap_lens {
 503         JME_MAC_LEN     = 0x80,
 504         JME_PHY_LEN     = 0x58,
 505         JME_MISC_LEN    = 0x98,
 506         JME_RSS_LEN     = 0xFF,
 507 };
 508
 509 enum jme_iomap_regs {
 510         JME_TXCS        = JME_MAC | 0x00, /* Transmit Control and Status */
 511         JME_TXDBA_LO    = JME_MAC | 0x04, /* Transmit Queue Desc Base Addr */
 512         JME_TXDBA_HI    = JME_MAC | 0x08, /* Transmit Queue Desc Base Addr */
 513         JME_TXQDC       = JME_MAC | 0x0C, /* Transmit Queue Desc Count */
 514         JME_TXNDA       = JME_MAC | 0x10, /* Transmit Queue Next Desc Addr */
 515         JME_TXMCS       = JME_MAC | 0x14, /* Transmit MAC Control Status */
 516         JME_TXPFC       = JME_MAC | 0x18, /* Transmit Pause Frame Control */
 517         JME_TXTRHD      = JME_MAC | 0x1C, /* Transmit Timer/Retry@Half-Dup */
 518
 519         JME_RXCS        = JME_MAC | 0x20, /* Receive Control and Status */
 520         JME_RXDBA_LO    = JME_MAC | 0x24, /* Receive Queue Desc Base Addr */
 521         JME_RXDBA_HI    = JME_MAC | 0x28, /* Receive Queue Desc Base Addr */
 522         JME_RXQDC       = JME_MAC | 0x2C, /* Receive Queue Desc Count */
 523         JME_RXNDA       = JME_MAC | 0x30, /* Receive Queue Next Desc Addr */
 524         JME_RXMCS       = JME_MAC | 0x34, /* Receive MAC Control Status */
 525         JME_RXUMA_LO    = JME_MAC | 0x38, /* Receive Unicast MAC Address */
 526         JME_RXUMA_HI    = JME_MAC | 0x3C, /* Receive Unicast MAC Address */
 527         JME_RXMCHT_LO   = JME_MAC | 0x40, /* Recv Multicast Addr HashTable */
 528         JME_RXMCHT_HI   = JME_MAC | 0x44, /* Recv Multicast Addr HashTable */
 529         JME_WFODP       = JME_MAC | 0x48, /* Wakeup Frame Output Data Port */
 530         JME_WFOI        = JME_MAC | 0x4C, /* Wakeup Frame Output Interface */
 531
 532         JME_SMI         = JME_MAC | 0x50, /* Station Management Interface */
 533         JME_GHC         = JME_MAC | 0x54, /* Global Host Control */
 534         JME_PMCS        = JME_MAC | 0x60, /* Power Management Control/Stat */
 535
 536
 537         JME_PHY_CS      = JME_PHY | 0x28, /* PHY Ctrl and Status Register */
 538         JME_PHY_LINK    = JME_PHY | 0x30, /* PHY Link Status Register */
 539         JME_SMBCSR      = JME_PHY | 0x40, /* SMB Control and Status */
 540         JME_SMBINTF     = JME_PHY | 0x44, /* SMB Interface */
 541
 542
 543         JME_TMCSR       = JME_MISC | 0x00, /* Timer Control/Status Register */
 544         JME_GPREG0      = JME_MISC | 0x08, /* General purpose REG-0 */
 545         JME_GPREG1      = JME_MISC | 0x0C, /* General purpose REG-1 */
 546         JME_IEVE        = JME_MISC | 0x20, /* Interrupt Event Status */
 547         JME_IREQ        = JME_MISC | 0x24, /* Intr Req Status(For Debug) */
 548         JME_IENS        = JME_MISC | 0x28, /* Intr Enable - Setting Port */
 549         JME_IENC        = JME_MISC | 0x2C, /* Interrupt Enable - Clear Port */
 550         JME_PCCRX0      = JME_MISC | 0x30, /* PCC Control for RX Queue 0 */
 551         JME_PCCTX       = JME_MISC | 0x40, /* PCC Control for TX Queues */
 552         JME_CHIPMODE    = JME_MISC | 0x44, /* Identify FPGA Version */
 553         JME_SHBA_HI     = JME_MISC | 0x48, /* Shadow Register Base HI */
 554         JME_SHBA_LO     = JME_MISC | 0x4C, /* Shadow Register Base LO */
 555         JME_TIMER1      = JME_MISC | 0x70, /* Timer1 */
 556         JME_TIMER2      = JME_MISC | 0x74, /* Timer2 */
 557         JME_APMC        = JME_MISC | 0x7C, /* Aggressive Power Mode Control */
 558         JME_PCCSRX0     = JME_MISC | 0x80, /* PCC Status of RX0 */
 559 };
 560
 561 /*
 562  * TX Control/Status Bits
 563  */
 564 enum jme_txcs_bits {
 565         TXCS_QUEUE7S    = 0x00008000,
 566         TXCS_QUEUE6S    = 0x00004000,
 567         TXCS_QUEUE5S    = 0x00002000,
 568         TXCS_QUEUE4S    = 0x00001000,
 569         TXCS_QUEUE3S    = 0x00000800,
 570         TXCS_QUEUE2S    = 0x00000400,
 571         TXCS_QUEUE1S    = 0x00000200,
 572         TXCS_QUEUE0S    = 0x00000100,
 573         TXCS_FIFOTH     = 0x000000C0,
 574         TXCS_DMASIZE    = 0x00000030,
 575         TXCS_BURST      = 0x00000004,
 576         TXCS_ENABLE     = 0x00000001,
 577 };
 578
 579 enum jme_txcs_value {
 580         TXCS_FIFOTH_16QW        = 0x000000C0,
 581         TXCS_FIFOTH_12QW        = 0x00000080,
 582         TXCS_FIFOTH_8QW         = 0x00000040,
 583         TXCS_FIFOTH_4QW         = 0x00000000,
 584
 585         TXCS_DMASIZE_64B        = 0x00000000,
 586         TXCS_DMASIZE_128B       = 0x00000010,
 587         TXCS_DMASIZE_256B       = 0x00000020,
 588         TXCS_DMASIZE_512B       = 0x00000030,
 589
 590         TXCS_SELECT_QUEUE0      = 0x00000000,
 591         TXCS_SELECT_QUEUE1      = 0x00010000,
 592         TXCS_SELECT_QUEUE2      = 0x00020000,
 593         TXCS_SELECT_QUEUE3      = 0x00030000,
 594         TXCS_SELECT_QUEUE4      = 0x00040000,
 595         TXCS_SELECT_QUEUE5      = 0x00050000,
 596         TXCS_SELECT_QUEUE6      = 0x00060000,
 597         TXCS_SELECT_QUEUE7      = 0x00070000,
 598
 599         TXCS_DEFAULT            = TXCS_FIFOTH_4QW |
 600                                   TXCS_BURST,
 601 };
 602
 603 #define JME_TX_DISABLE_TIMEOUT 10 /* 10 msec */
 604
 605 /*
 606  * TX MAC Control/Status Bits
 607  */
 608 enum jme_txmcs_bit_masks {
 609         TXMCS_IFG2              = 0xC0000000,
 610         TXMCS_IFG1              = 0x30000000,
 611         TXMCS_TTHOLD            = 0x00000300,
 612         TXMCS_FBURST            = 0x00000080,
 613         TXMCS_CARRIEREXT        = 0x00000040,
 614         TXMCS_DEFER             = 0x00000020,
 615         TXMCS_BACKOFF           = 0x00000010,
 616         TXMCS_CARRIERSENSE      = 0x00000008,
 617         TXMCS_COLLISION         = 0x00000004,
 618         TXMCS_CRC               = 0x00000002,
 619         TXMCS_PADDING           = 0x00000001,
 620 };
 621
 622 enum jme_txmcs_values {
 623         TXMCS_IFG2_6_4          = 0x00000000,
 624         TXMCS_IFG2_8_5          = 0x40000000,
 625         TXMCS_IFG2_10_6         = 0x80000000,
 626         TXMCS_IFG2_12_7         = 0xC0000000,
 627
 628         TXMCS_IFG1_8_4          = 0x00000000,
 629         TXMCS_IFG1_12_6         = 0x10000000,
 630         TXMCS_IFG1_16_8         = 0x20000000,
 631         TXMCS_IFG1_20_10        = 0x30000000,
 632
 633         TXMCS_TTHOLD_1_8        = 0x00000000,
 634         TXMCS_TTHOLD_1_4        = 0x00000100,
 635         TXMCS_TTHOLD_1_2        = 0x00000200,
 636         TXMCS_TTHOLD_FULL       = 0x00000300,
 637
 638         TXMCS_DEFAULT           = TXMCS_IFG2_8_5 |
 639                                   TXMCS_IFG1_16_8 |
 640                                   TXMCS_TTHOLD_FULL |
 641                                   TXMCS_DEFER |
 642                                   TXMCS_CRC |
 643                                   TXMCS_PADDING,
 644 };
 645
 646 enum jme_txpfc_bits_masks {
 647         TXPFC_VLAN_TAG          = 0xFFFF0000,
 648         TXPFC_VLAN_EN           = 0x00008000,
 649         TXPFC_PF_EN             = 0x00000001,
 650 };
 651
 652 enum jme_txtrhd_bits_masks {
 653         TXTRHD_TXPEN            = 0x80000000,
 654         TXTRHD_TXP              = 0x7FFFFF00,
 655         TXTRHD_TXREN            = 0x00000080,
 656         TXTRHD_TXRL             = 0x0000007F,
 657 };
 658
 659 enum jme_txtrhd_shifts {
 660         TXTRHD_TXP_SHIFT        = 8,
 661         TXTRHD_TXRL_SHIFT       = 0,
 662 };
 663
 664 /*
 665  * RX Control/Status Bits
 666  */
 667 enum jme_rxcs_bit_masks {
 668         /* FIFO full threshold for transmitting Tx Pause Packet */
 669         RXCS_FIFOTHTP   = 0x30000000,
 670         /* FIFO threshold for processing next packet */
 671         RXCS_FIFOTHNP   = 0x0C000000,
 672         RXCS_DMAREQSZ   = 0x03000000, /* DMA Request Size */
 673         RXCS_QUEUESEL   = 0x00030000, /* Queue selection */
 674         RXCS_RETRYGAP   = 0x0000F000, /* RX Desc full retry gap */
 675         RXCS_RETRYCNT   = 0x00000F00, /* RX Desc full retry counter */
 676         RXCS_WAKEUP     = 0x00000040, /* Enable receive wakeup packet */
 677         RXCS_MAGIC      = 0x00000020, /* Enable receive magic packet */
 678         RXCS_SHORT      = 0x00000010, /* Enable receive short packet */
 679         RXCS_ABORT      = 0x00000008, /* Enable receive errorr packet */
 680         RXCS_QST        = 0x00000004, /* Receive queue start */
 681         RXCS_SUSPEND    = 0x00000002,
 682         RXCS_ENABLE     = 0x00000001,
 683 };
 684
 685 enum jme_rxcs_values {
 686         RXCS_FIFOTHTP_16T       = 0x00000000,
 687         RXCS_FIFOTHTP_32T       = 0x10000000,
 688         RXCS_FIFOTHTP_64T       = 0x20000000,
 689         RXCS_FIFOTHTP_128T      = 0x30000000,
 690
 691         RXCS_FIFOTHNP_16QW      = 0x00000000,
 692         RXCS_FIFOTHNP_32QW      = 0x04000000,
 693         RXCS_FIFOTHNP_64QW      = 0x08000000,
 694         RXCS_FIFOTHNP_128QW     = 0x0C000000,
 695
 696         RXCS_DMAREQSZ_16B       = 0x00000000,
 697         RXCS_DMAREQSZ_32B       = 0x01000000,
 698         RXCS_DMAREQSZ_64B       = 0x02000000,
 699         RXCS_DMAREQSZ_128B      = 0x03000000,
 700
 701         RXCS_QUEUESEL_Q0        = 0x00000000,
 702         RXCS_QUEUESEL_Q1        = 0x00010000,
 703         RXCS_QUEUESEL_Q2        = 0x00020000,
 704         RXCS_QUEUESEL_Q3        = 0x00030000,
 705
 706         RXCS_RETRYGAP_256ns     = 0x00000000,
 707         RXCS_RETRYGAP_512ns     = 0x00001000,
 708         RXCS_RETRYGAP_1024ns    = 0x00002000,
 709         RXCS_RETRYGAP_2048ns    = 0x00003000,
 710         RXCS_RETRYGAP_4096ns    = 0x00004000,
 711         RXCS_RETRYGAP_8192ns    = 0x00005000,
 712         RXCS_RETRYGAP_16384ns   = 0x00006000,
 713         RXCS_RETRYGAP_32768ns   = 0x00007000,
 714
 715         RXCS_RETRYCNT_0         = 0x00000000,
 716         RXCS_RETRYCNT_4         = 0x00000100,
 717         RXCS_RETRYCNT_8         = 0x00000200,
 718         RXCS_RETRYCNT_12        = 0x00000300,
 719         RXCS_RETRYCNT_16        = 0x00000400,
 720         RXCS_RETRYCNT_20        = 0x00000500,
 721         RXCS_RETRYCNT_24        = 0x00000600,
 722         RXCS_RETRYCNT_28        = 0x00000700,
 723         RXCS_RETRYCNT_32        = 0x00000800,
 724         RXCS_RETRYCNT_36        = 0x00000900,
 725         RXCS_RETRYCNT_40        = 0x00000A00,
 726         RXCS_RETRYCNT_44        = 0x00000B00,
 727         RXCS_RETRYCNT_48        = 0x00000C00,
 728         RXCS_RETRYCNT_52        = 0x00000D00,
 729         RXCS_RETRYCNT_56        = 0x00000E00,
 730         RXCS_RETRYCNT_60        = 0x00000F00,
 731
 732         RXCS_DEFAULT            = RXCS_FIFOTHTP_128T |
 733                                   RXCS_FIFOTHNP_128QW |
 734                                   RXCS_DMAREQSZ_128B |
 735                                   RXCS_RETRYGAP_256ns |
 736                                   RXCS_RETRYCNT_32,
 737 };
 738
 739 #define JME_RX_DISABLE_TIMEOUT 10 /* 10 msec */
 740
 741 /*
 742  * RX MAC Control/Status Bits
 743  */
 744 enum jme_rxmcs_bits {
 745         RXMCS_ALLFRAME          = 0x00000800,
 746         RXMCS_BRDFRAME          = 0x00000400,
 747         RXMCS_MULFRAME          = 0x00000200,
 748         RXMCS_UNIFRAME          = 0x00000100,
 749         RXMCS_ALLMULFRAME       = 0x00000080,
 750         RXMCS_MULFILTERED       = 0x00000040,
 751         RXMCS_RXCOLLDEC         = 0x00000020,
 752         RXMCS_FLOWCTRL          = 0x00000008,
 753         RXMCS_VTAGRM            = 0x00000004,
 754         RXMCS_PREPAD            = 0x00000002,
 755         RXMCS_CHECKSUM          = 0x00000001,
 756
 757         RXMCS_DEFAULT           = RXMCS_VTAGRM |
 758                                   RXMCS_PREPAD |
 759                                   RXMCS_FLOWCTRL |
 760                                   RXMCS_CHECKSUM,
 761 };
 762
 763 /*
 764  * Wakeup Frame setup interface registers
 765  */
 766 #define WAKEUP_FRAME_NR 8
 767 #define WAKEUP_FRAME_MASK_DWNR  4
 768
 769 enum jme_wfoi_bit_masks {
 770         WFOI_MASK_SEL           = 0x00000070,
 771         WFOI_CRC_SEL            = 0x00000008,
 772         WFOI_FRAME_SEL          = 0x00000007,
 773 };
 774
 775 enum jme_wfoi_shifts {
 776         WFOI_MASK_SHIFT         = 4,
 777 };
 778
 779 /*
 780  * SMI Related definitions
 781  */
 782 enum jme_smi_bit_mask {
 783         SMI_DATA_MASK           = 0xFFFF0000,
 784         SMI_REG_ADDR_MASK       = 0x0000F800,
 785         SMI_PHY_ADDR_MASK       = 0x000007C0,
 786         SMI_OP_WRITE            = 0x00000020,
 787         /* Set to 1, after req done it'll be cleared to 0 */
 788         SMI_OP_REQ              = 0x00000010,
 789         SMI_OP_MDIO             = 0x00000008, /* Software assess In/Out */
 790         SMI_OP_MDOE             = 0x00000004, /* Software Output Enable */
 791         SMI_OP_MDC              = 0x00000002, /* Software CLK Control */
 792         SMI_OP_MDEN             = 0x00000001, /* Software access Enable */
 793 };
 794
 795 enum jme_smi_bit_shift {
 796         SMI_DATA_SHIFT          = 16,
 797         SMI_REG_ADDR_SHIFT      = 11,
 798         SMI_PHY_ADDR_SHIFT      = 6,
 799 };
 800
 801 static inline u32 smi_reg_addr(int x)
 802 {
 803         return (x << SMI_REG_ADDR_SHIFT) & SMI_REG_ADDR_MASK;
 804 }
 805
 806 static inline u32 smi_phy_addr(int x)
 807 {
 808         return (x << SMI_PHY_ADDR_SHIFT) & SMI_PHY_ADDR_MASK;
 809 }
 810
 811 #define JME_PHY_TIMEOUT 100 /* 100 msec */
 812 #define JME_PHY_REG_NR 32
 813
 814 /*
 815  * Global Host Control
 816  */
 817 enum jme_ghc_bit_mask {
 818         GHC_SWRST       = 0x40000000,
 819         GHC_DPX         = 0x00000040,
 820         GHC_SPEED       = 0x00000030,
 821         GHC_LINK_POLL   = 0x00000001,
 822 };
 823
 824 enum jme_ghc_speed_val {
 825         GHC_SPEED_10M   = 0x00000010,
 826         GHC_SPEED_100M  = 0x00000020,
 827         GHC_SPEED_1000M = 0x00000030,
 828 };
 829
 830 /*
 831  * Power management control and status register
 832  */
 833 enum jme_pmcs_bit_masks {
 834         PMCS_WF7DET     = 0x80000000,
 835         PMCS_WF6DET     = 0x40000000,
 836         PMCS_WF5DET     = 0x20000000,
 837         PMCS_WF4DET     = 0x10000000,
 838         PMCS_WF3DET     = 0x08000000,
 839         PMCS_WF2DET     = 0x04000000,
 840         PMCS_WF1DET     = 0x02000000,
 841         PMCS_WF0DET     = 0x01000000,
 842         PMCS_LFDET      = 0x00040000,
 843         PMCS_LRDET      = 0x00020000,
 844         PMCS_MFDET      = 0x00010000,
 845         PMCS_WF7EN      = 0x00008000,
 846         PMCS_WF6EN      = 0x00004000,
 847         PMCS_WF5EN      = 0x00002000,
 848         PMCS_WF4EN      = 0x00001000,
 849         PMCS_WF3EN      = 0x00000800,
 850         PMCS_WF2EN      = 0x00000400,
 851         PMCS_WF1EN      = 0x00000200,
 852         PMCS_WF0EN      = 0x00000100,
 853         PMCS_LFEN       = 0x00000004,
 854         PMCS_LREN       = 0x00000002,
 855         PMCS_MFEN       = 0x00000001,
 856 };
 857
 858 /*
 859  * Giga PHY Status Registers
 860  */
 861 enum jme_phy_link_bit_mask {
 862         PHY_LINK_SPEED_MASK             = 0x0000C000,
 863         PHY_LINK_DUPLEX                 = 0x00002000,
 864         PHY_LINK_SPEEDDPU_RESOLVED      = 0x00000800,
 865         PHY_LINK_UP                     = 0x00000400,
 866         PHY_LINK_AUTONEG_COMPLETE       = 0x00000200,
 867         PHY_LINK_MDI_STAT               = 0x00000040,
 868 };
 869
 870 enum jme_phy_link_speed_val {
 871         PHY_LINK_SPEED_10M              = 0x00000000,
 872         PHY_LINK_SPEED_100M             = 0x00004000,
 873         PHY_LINK_SPEED_1000M            = 0x00008000,
 874 };
 875
 876 #define JME_SPDRSV_TIMEOUT      500     /* 500 us */
 877
 878 /*
 879  * SMB Control and Status
 880  */
 881 enum jme_smbcsr_bit_mask {
 882         SMBCSR_CNACK    = 0x00020000,
 883         SMBCSR_RELOAD   = 0x00010000,
 884         SMBCSR_EEPROMD  = 0x00000020,
 885         SMBCSR_INITDONE = 0x00000010,
 886         SMBCSR_BUSY     = 0x0000000F,
 887 };
 888
 889 enum jme_smbintf_bit_mask {
 890         SMBINTF_HWDATR  = 0xFF000000,
 891         SMBINTF_HWDATW  = 0x00FF0000,
 892         SMBINTF_HWADDR  = 0x0000FF00,
 893         SMBINTF_HWRWN   = 0x00000020,
 894         SMBINTF_HWCMD   = 0x00000010,
 895         SMBINTF_FASTM   = 0x00000008,
 896         SMBINTF_GPIOSCL = 0x00000004,
 897         SMBINTF_GPIOSDA = 0x00000002,
 898         SMBINTF_GPIOEN  = 0x00000001,
 899 };
 900
 901 enum jme_smbintf_vals {
 902         SMBINTF_HWRWN_READ      = 0x00000020,
 903         SMBINTF_HWRWN_WRITE     = 0x00000000,
 904 };
 905
 906 enum jme_smbintf_shifts {
 907         SMBINTF_HWDATR_SHIFT    = 24,
 908         SMBINTF_HWDATW_SHIFT    = 16,
 909         SMBINTF_HWADDR_SHIFT    = 8,
 910 };
 911
 912 #define JME_EEPROM_RELOAD_TIMEOUT 2000 /* 2000 msec */
 913 #define JME_SMB_BUSY_TIMEOUT 20 /* 20 msec */
 914 #define JME_SMB_LEN 256
 915 #define JME_EEPROM_MAGIC 0x250
 916
 917 /*
 918  * Timer Control/Status Register
 919  */
 920 enum jme_tmcsr_bit_masks {
 921         TMCSR_SWIT      = 0x80000000,
 922         TMCSR_EN        = 0x01000000,
 923         TMCSR_CNT       = 0x00FFFFFF,
 924 };
 925
 926 /*
 927  * General Purpose REG-0
 928  */
 929 enum jme_gpreg0_masks {
 930         GPREG0_DISSH            = 0xFF000000,
 931         GPREG0_PCIRLMT          = 0x00300000,
 932         GPREG0_PCCNOMUTCLR      = 0x00040000,
 933         GPREG0_LNKINTPOLL       = 0x00001000,
 934         GPREG0_PCCTMR           = 0x00000300,
 935         GPREG0_PHYADDR          = 0x0000001F,
 936 };
 937
 938 enum jme_gpreg0_vals {
 939         GPREG0_DISSH_DW7        = 0x80000000,
 940         GPREG0_DISSH_DW6        = 0x40000000,
 941         GPREG0_DISSH_DW5        = 0x20000000,
 942         GPREG0_DISSH_DW4        = 0x10000000,
 943         GPREG0_DISSH_DW3        = 0x08000000,
 944         GPREG0_DISSH_DW2        = 0x04000000,
 945         GPREG0_DISSH_DW1        = 0x02000000,
 946         GPREG0_DISSH_DW0        = 0x01000000,
 947         GPREG0_DISSH_ALL        = 0xFF000000,
 948
 949         GPREG0_PCIRLMT_8        = 0x00000000,
 950         GPREG0_PCIRLMT_6        = 0x00100000,
 951         GPREG0_PCIRLMT_5        = 0x00200000,
 952         GPREG0_PCIRLMT_4        = 0x00300000,
 953
 954         GPREG0_PCCTMR_16ns      = 0x00000000,
 955         GPREG0_PCCTMR_256ns     = 0x00000100,
 956         GPREG0_PCCTMR_1us       = 0x00000200,
 957         GPREG0_PCCTMR_1ms       = 0x00000300,
 958
 959         GPREG0_PHYADDR_1        = 0x00000001,
 960
 961         GPREG0_DEFAULT          = GPREG0_PCIRLMT_4 |
 962                                   GPREG0_PCCTMR_1us |
 963                                   GPREG0_PHYADDR_1,
 964 };
 965
 966 /*
 967  * Interrupt Status Bits
 968  */
 969 enum jme_interrupt_bits {
 970         INTR_SWINTR     = 0x80000000,
 971         INTR_TMINTR     = 0x40000000,
 972         INTR_LINKCH     = 0x20000000,
 973         INTR_PAUSERCV   = 0x10000000,
 974         INTR_MAGICRCV   = 0x08000000,
 975         INTR_WAKERCV    = 0x04000000,
 976         INTR_PCCRX0TO   = 0x02000000,
 977         INTR_PCCRX1TO   = 0x01000000,
 978         INTR_PCCRX2TO   = 0x00800000,
 979         INTR_PCCRX3TO   = 0x00400000,
 980         INTR_PCCTXTO    = 0x00200000,
 981         INTR_PCCRX0     = 0x00100000,
 982         INTR_PCCRX1     = 0x00080000,
 983         INTR_PCCRX2     = 0x00040000,
 984         INTR_PCCRX3     = 0x00020000,
 985         INTR_PCCTX      = 0x00010000,
 986         INTR_RX3EMP     = 0x00008000,
 987         INTR_RX2EMP     = 0x00004000,
 988         INTR_RX1EMP     = 0x00002000,
 989         INTR_RX0EMP     = 0x00001000,
 990         INTR_RX3        = 0x00000800,
 991         INTR_RX2        = 0x00000400,
 992         INTR_RX1        = 0x00000200,
 993         INTR_RX0        = 0x00000100,
 994         INTR_TX7        = 0x00000080,
 995         INTR_TX6        = 0x00000040,
 996         INTR_TX5        = 0x00000020,
 997         INTR_TX4        = 0x00000010,
 998         INTR_TX3        = 0x00000008,
 999         INTR_TX2        = 0x00000004,
1000         INTR_TX1        = 0x00000002,
1001         INTR_TX0        = 0x00000001,
1002 };
1003
1004 static const u32 INTR_ENABLE = INTR_SWINTR |
1005                                  INTR_TMINTR |
1006                                  INTR_LINKCH |
1007                                  INTR_PCCRX0TO |
1008                                  INTR_PCCRX0 |
1009                                  INTR_PCCTXTO |
1010                                  INTR_PCCTX |
1011                                  INTR_RX0EMP;
1012
1013 /*
1014  * PCC Control Registers
1015  */
1016 enum jme_pccrx_masks {
1017         PCCRXTO_MASK    = 0xFFFF0000,
1018         PCCRX_MASK      = 0x0000FF00,
1019 };
1020
1021 enum jme_pcctx_masks {
1022         PCCTXTO_MASK    = 0xFFFF0000,
1023         PCCTX_MASK      = 0x0000FF00,
1024         PCCTX_QS_MASK   = 0x000000FF,
1025 };
1026
1027 enum jme_pccrx_shifts {
1028         PCCRXTO_SHIFT   = 16,
1029         PCCRX_SHIFT     = 8,
1030 };
1031
1032 enum jme_pcctx_shifts {
1033         PCCTXTO_SHIFT   = 16,
1034         PCCTX_SHIFT     = 8,
1035 };
1036
1037 enum jme_pcctx_bits {
1038         PCCTXQ0_EN      = 0x00000001,
1039         PCCTXQ1_EN      = 0x00000002,
1040         PCCTXQ2_EN      = 0x00000004,
1041         PCCTXQ3_EN      = 0x00000008,
1042         PCCTXQ4_EN      = 0x00000010,
1043         PCCTXQ5_EN      = 0x00000020,
1044         PCCTXQ6_EN      = 0x00000040,
1045         PCCTXQ7_EN      = 0x00000080,
1046 };
1047
1048 /*
1049  * Chip Mode Register
1050  */
1051 enum jme_chipmode_bit_masks {
1052         CM_FPGAVER_MASK         = 0xFFFF0000,
1053         CM_CHIPREV_MASK         = 0x0000FF00,
1054         CM_CHIPMODE_MASK        = 0x0000000F,
1055 };
1056
1057 enum jme_chipmode_shifts {
1058         CM_FPGAVER_SHIFT        = 16,
1059         CM_CHIPREV_SHIFT        = 8,
1060 };
1061
1062 /*
1063  * Shadow base address register bits
1064  */
1065 enum jme_shadow_base_address_bits {
1066         SHBA_POSTEN     = 0x1,
1067 };
1068
1069 /*
1070  * Aggressive Power Mode Control
1071  */
1072 enum jme_apmc_bits {
1073         JME_APMC_PCIE_SD_EN     = 0x40000000,
1074         JME_APMC_PSEUDO_HP_EN   = 0x20000000,
1075         JME_APMC_EPIEN          = 0x04000000,
1076         JME_APMC_EPIEN_CTRL     = 0x03000000,
1077 };
1078
1079 enum jme_apmc_values {
1080         JME_APMC_EPIEN_CTRL_EN  = 0x02000000,
1081         JME_APMC_EPIEN_CTRL_DIS = 0x01000000,
1082 };
1083
1084 #define APMC_PHP_SHUTDOWN_DELAY (10 * 1000 * 1000)
1085
1086 #ifdef REG_DEBUG
1087 static char *MAC_REG_NAME[] = {
1088         "JME_TXCS",      "JME_TXDBA_LO",  "JME_TXDBA_HI", "JME_TXQDC",
1089         "JME_TXNDA",     "JME_TXMCS",     "JME_TXPFC",    "JME_TXTRHD",
1090         "JME_RXCS",      "JME_RXDBA_LO",  "JME_RXDBA_HI", "JME_RXQDC",
1091         "JME_RXNDA",     "JME_RXMCS",     "JME_RXUMA_LO", "JME_RXUMA_HI",
1092         "JME_RXMCHT_LO", "JME_RXMCHT_HI", "JME_WFODP",    "JME_WFOI",
1093         "JME_SMI",       "JME_GHC",       "UNKNOWN",      "UNKNOWN",
1094         "JME_PMCS"};
1095 static char *PE_REG_NAME[] = {
1096         "UNKNOWN",      "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
1097         "UNKNOWN",      "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
1098         "UNKNOWN",      "UNKNOWN",     "JME_PHY_CS", "UNKNOWN",
1099         "JME_PHY_LINK", "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
1100         "JME_SMBCSR",   "JME_SMBINTF"};
1101 static char *MISC_REG_NAME[] = {
1102         "JME_TMCSR",  "JME_GPIO",     "JME_GPREG0",  "JME_GPREG1",
1103         "JME_IEVE",   "JME_IREQ",     "JME_IENS",    "JME_IENC",
1104         "JME_PCCRX0", "JME_PCCRX1",   "JME_PCCRX2",  "JME_PCCRX3",
1105         "JME_PCCTX0", "JME_CHIPMODE", "JME_SHBA_HI", "JME_SHBA_LO",
1106         "UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
1107         "UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
1108         "UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
1109         "JME_TIMER1", "JME_TIMER2",   "UNKNOWN",     "JME_APMC",
1110         "JME_PCCSRX0"};
1111 static inline void reg_dbg(const struct jme_adapter *jme,
1112                 const char *msg, u32 val, u32 reg)
1113 {
1114         const char *regname;
1115         switch (reg & 0xF00) {
1116         case 0x000:
1117                 regname = MAC_REG_NAME[(reg & 0xFF) >> 2];
1118                 break;
1119         case 0x400:
1120                 regname = PE_REG_NAME[(reg & 0xFF) >> 2];
1121                 break;
1122         case 0x800:
1123                 regname = MISC_REG_NAME[(reg & 0xFF) >> 2];
1124                 break;
1125         default:
1126                 regname = PE_REG_NAME[0];
1127         }
1128         printk(KERN_DEBUG "%s: %-20s %08x@%s\n", jme->dev->name,
1129                         msg, val, regname);
1130 }
1131 #else
1132 static inline void reg_dbg(const struct jme_adapter *jme,
1133                 const char *msg, u32 val, u32 reg) {}
1134 #endif
1135
1136 /*
1137  * Read/Write MMaped I/O Registers
1138  */
1139 static inline u32 jread32(struct jme_adapter *jme, u32 reg)
1140 {
1141         return readl(jme->regs + reg);
1142 }
1143
1144 static inline void jwrite32(struct jme_adapter *jme, u32 reg, u32 val)
1145 {
1146         reg_dbg(jme, "REG WRITE", val, reg);
1147         writel(val, jme->regs + reg);
1148         reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1149 }
1150
1151 static inline void jwrite32f(struct jme_adapter *jme, u32 reg, u32 val)
1152 {
1153         /*
1154          * Read after write should cause flush
1155          */
1156         reg_dbg(jme, "REG WRITE FLUSH", val, reg);
1157         writel(val, jme->regs + reg);
1158         readl(jme->regs + reg);
1159         reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1160 }
1161
1162 /*
1163  * PHY Regs
1164  */
1165 enum jme_phy_reg17_bit_masks {
1166         PREG17_SPEED            = 0xC000,
1167         PREG17_DUPLEX           = 0x2000,
1168         PREG17_SPDRSV           = 0x0800,
1169         PREG17_LNKUP            = 0x0400,
1170         PREG17_MDI              = 0x0040,
1171 };
1172
1173 enum jme_phy_reg17_vals {
1174         PREG17_SPEED_10M        = 0x0000,
1175         PREG17_SPEED_100M       = 0x4000,
1176         PREG17_SPEED_1000M      = 0x8000,
1177 };
1178
1179 #define BMSR_ANCOMP               0x0020
1180
1181 /*
1182  * Workaround
1183  */
1184 static inline int is_buggy250(unsigned short device, unsigned int chiprev)
1185 {
1186         return device == PCI_DEVICE_ID_JMICRON_JMC250 && chiprev == 0x11;
1187 }
1188
1189 /*
1190  * Function prototypes
1191  */
1192 static int jme_set_settings(struct net_device *netdev,
1193                                 struct ethtool_cmd *ecmd);
1194 static void jme_set_multi(struct net_device *netdev);
1195
1196 #endif