drivers/net/rtl8169.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * rtl8169.c : U-Boot driver for the RealTek RTL8169
   4  *
   5  * Masami Komiya (mkomiya@sonare.it)
   6  *
   7  * Most part is taken from r8169.c of etherboot
   8  *
   9  */
  10
  11 /**************************************************************************
  12 *    r8169.c: Etherboot device driver for the RealTek RTL-8169 Gigabit
  13 *    Written 2003 by Timothy Legge <tlegge@rogers.com>
  14 *
  15 *    Portions of this code based on:
  16 *       r8169.c: A RealTek RTL-8169 Gigabit Ethernet driver
  17 *               for Linux kernel 2.4.x.
  18 *
  19 *    Written 2002 ShuChen <shuchen@realtek.com.tw>
  20 *         See Linux Driver for full information
  21 *
  22 *    Linux Driver Version 1.27a, 10.02.2002
  23 *
  24 *    Thanks to:
  25 *       Jean Chen of RealTek Semiconductor Corp. for
  26 *       providing the evaluation NIC used to develop
  27 *       this driver.  RealTek's support for Etherboot
  28 *       is appreciated.
  29 *
  30 *    REVISION HISTORY:
  31 *    ================
  32 *
  33 *    v1.0       11-26-2003      timlegge        Initial port of Linux driver
  34 *    v1.5       01-17-2004      timlegge        Initial driver output cleanup
  35 *
  36 *    Indent Options: indent -kr -i8
  37 ***************************************************************************/
  38 /*
  39  * 26 August 2006 Mihai Georgian <u-boot@linuxnotincluded.org.uk>
  40  * Modified to use le32_to_cpu and cpu_to_le32 properly
  41  */
  42 #include <common.h>
  43 #include <cpu_func.h>
  44 #include <dm.h>
  45 #include <errno.h>
  46 #include <malloc.h>
  47 #include <memalign.h>
  48 #include <net.h>
  49 #ifndef CONFIG_DM_ETH
  50 #include <netdev.h>
  51 #endif
  52 #include <asm/cache.h>
  53 #include <asm/io.h>
  54 #include <pci.h>
  55
  56 #undef DEBUG_RTL8169
  57 #undef DEBUG_RTL8169_TX
  58 #undef DEBUG_RTL8169_RX
  59
  60 #define drv_version "v1.5"
  61 #define drv_date "01-17-2004"
  62
  63 static unsigned long ioaddr;
  64
  65 /* Condensed operations for readability. */
  66 #define currticks()     get_timer(0)
  67
  68 /* media options */
  69 #define MAX_UNITS 8
  70 static int media[MAX_UNITS] = { -1, -1, -1, -1, -1, -1, -1, -1 };
  71
  72 /* MAC address length*/
  73 #define MAC_ADDR_LEN    6
  74
  75 /* max supported gigabit ethernet frame size -- must be at least (dev->mtu+14+4).*/
  76 #define MAX_ETH_FRAME_SIZE      1536
  77
  78 #define TX_FIFO_THRESH 256      /* In bytes */
  79
  80 #define RX_FIFO_THRESH  7       /* 7 means NO threshold, Rx buffer level before first PCI xfer.  */
  81 #define RX_DMA_BURST    6       /* Maximum PCI burst, '6' is 1024 */
  82 #define TX_DMA_BURST    6       /* Maximum PCI burst, '6' is 1024 */
  83 #define EarlyTxThld     0x3F    /* 0x3F means NO early transmit */
  84 #define RxPacketMaxSize 0x0800  /* Maximum size supported is 16K-1 */
  85 #define InterFrameGap   0x03    /* 3 means InterFrameGap = the shortest one */
  86
  87 #define NUM_TX_DESC     1       /* Number of Tx descriptor registers */
  88 #ifdef CONFIG_SYS_RX_ETH_BUFFER
  89   #define NUM_RX_DESC   CONFIG_SYS_RX_ETH_BUFFER
  90 #else
  91   #define NUM_RX_DESC   4       /* Number of Rx descriptor registers */
  92 #endif
  93 #define RX_BUF_SIZE     1536    /* Rx Buffer size */
  94 #define RX_BUF_LEN      8192
  95
  96 #define RTL_MIN_IO_SIZE 0x80
  97 #define TX_TIMEOUT  (6*HZ)
  98
  99 /* write/read MMIO register. Notice: {read,write}[wl] do the necessary swapping */
 100 #define RTL_W8(reg, val8)       writeb((val8), ioaddr + (reg))
 101 #define RTL_W16(reg, val16)     writew((val16), ioaddr + (reg))
 102 #define RTL_W32(reg, val32)     writel((val32), ioaddr + (reg))
 103 #define RTL_R8(reg)             readb(ioaddr + (reg))
 104 #define RTL_R16(reg)            readw(ioaddr + (reg))
 105 #define RTL_R32(reg)            readl(ioaddr + (reg))
 106
 107 #define bus_to_phys(a)  pci_mem_to_phys((pci_dev_t)(unsigned long)dev->priv, \
 108         (pci_addr_t)(unsigned long)a)
 109 #define phys_to_bus(a)  pci_phys_to_mem((pci_dev_t)(unsigned long)dev->priv, \
 110         (phys_addr_t)a)
 111
 112 enum RTL8169_registers {
 113         MAC0 = 0,               /* Ethernet hardware address. */
 114         MAR0 = 8,               /* Multicast filter. */
 115         TxDescStartAddrLow = 0x20,
 116         TxDescStartAddrHigh = 0x24,
 117         TxHDescStartAddrLow = 0x28,
 118         TxHDescStartAddrHigh = 0x2c,
 119         FLASH = 0x30,
 120         ERSR = 0x36,
 121         ChipCmd = 0x37,
 122         TxPoll = 0x38,
 123         IntrMask = 0x3C,
 124         IntrStatus = 0x3E,
 125         TxConfig = 0x40,
 126         RxConfig = 0x44,
 127         RxMissed = 0x4C,
 128         Cfg9346 = 0x50,
 129         Config0 = 0x51,
 130         Config1 = 0x52,
 131         Config2 = 0x53,
 132         Config3 = 0x54,
 133         Config4 = 0x55,
 134         Config5 = 0x56,
 135         MultiIntr = 0x5C,
 136         PHYAR = 0x60,
 137         TBICSR = 0x64,
 138         TBI_ANAR = 0x68,
 139         TBI_LPAR = 0x6A,
 140         PHYstatus = 0x6C,
 141         RxMaxSize = 0xDA,
 142         CPlusCmd = 0xE0,
 143         RxDescStartAddrLow = 0xE4,
 144         RxDescStartAddrHigh = 0xE8,
 145         EarlyTxThres = 0xEC,
 146         FuncEvent = 0xF0,
 147         FuncEventMask = 0xF4,
 148         FuncPresetState = 0xF8,
 149         FuncForceEvent = 0xFC,
 150 };
 151
 152 enum RTL8169_register_content {
 153         /*InterruptStatusBits */
 154         SYSErr = 0x8000,
 155         PCSTimeout = 0x4000,
 156         SWInt = 0x0100,
 157         TxDescUnavail = 0x80,
 158         RxFIFOOver = 0x40,
 159         RxUnderrun = 0x20,
 160         RxOverflow = 0x10,
 161         TxErr = 0x08,
 162         TxOK = 0x04,
 163         RxErr = 0x02,
 164         RxOK = 0x01,
 165
 166         /*RxStatusDesc */
 167         RxRES = 0x00200000,
 168         RxCRC = 0x00080000,
 169         RxRUNT = 0x00100000,
 170         RxRWT = 0x00400000,
 171
 172         /*ChipCmdBits */
 173         CmdReset = 0x10,
 174         CmdRxEnb = 0x08,
 175         CmdTxEnb = 0x04,
 176         RxBufEmpty = 0x01,
 177
 178         /*Cfg9346Bits */
 179         Cfg9346_Lock = 0x00,
 180         Cfg9346_Unlock = 0xC0,
 181
 182         /*rx_mode_bits */
 183         AcceptErr = 0x20,
 184         AcceptRunt = 0x10,
 185         AcceptBroadcast = 0x08,
 186         AcceptMulticast = 0x04,
 187         AcceptMyPhys = 0x02,
 188         AcceptAllPhys = 0x01,
 189
 190         /*RxConfigBits */
 191         RxCfgFIFOShift = 13,
 192         RxCfgDMAShift = 8,
 193
 194         /*TxConfigBits */
 195         TxInterFrameGapShift = 24,
 196         TxDMAShift = 8,         /* DMA burst value (0-7) is shift this many bits */
 197
 198         /*rtl8169_PHYstatus */
 199         TBI_Enable = 0x80,
 200         TxFlowCtrl = 0x40,
 201         RxFlowCtrl = 0x20,
 202         _1000bpsF = 0x10,
 203         _100bps = 0x08,
 204         _10bps = 0x04,
 205         LinkStatus = 0x02,
 206         FullDup = 0x01,
 207
 208         /*GIGABIT_PHY_registers */
 209         PHY_CTRL_REG = 0,
 210         PHY_STAT_REG = 1,
 211         PHY_AUTO_NEGO_REG = 4,
 212         PHY_1000_CTRL_REG = 9,
 213
 214         /*GIGABIT_PHY_REG_BIT */
 215         PHY_Restart_Auto_Nego = 0x0200,
 216         PHY_Enable_Auto_Nego = 0x1000,
 217
 218         /* PHY_STAT_REG = 1; */
 219         PHY_Auto_Nego_Comp = 0x0020,
 220
 221         /* PHY_AUTO_NEGO_REG = 4; */
 222         PHY_Cap_10_Half = 0x0020,
 223         PHY_Cap_10_Full = 0x0040,
 224         PHY_Cap_100_Half = 0x0080,
 225         PHY_Cap_100_Full = 0x0100,
 226
 227         /* PHY_1000_CTRL_REG = 9; */
 228         PHY_Cap_1000_Full = 0x0200,
 229
 230         PHY_Cap_Null = 0x0,
 231
 232         /*_MediaType*/
 233         _10_Half = 0x01,
 234         _10_Full = 0x02,
 235         _100_Half = 0x04,
 236         _100_Full = 0x08,
 237         _1000_Full = 0x10,
 238
 239         /*_TBICSRBit*/
 240         TBILinkOK = 0x02000000,
 241 };
 242
 243 static struct {
 244         const char *name;
 245         u8 version;             /* depend on RTL8169 docs */
 246         u32 RxConfigMask;       /* should clear the bits supported by this chip */
 247 } rtl_chip_info[] = {
 248         {"RTL-8169", 0x00, 0xff7e1880,},
 249         {"RTL-8169", 0x04, 0xff7e1880,},
 250         {"RTL-8169", 0x00, 0xff7e1880,},
 251         {"RTL-8169s/8110s",     0x02, 0xff7e1880,},
 252         {"RTL-8169s/8110s",     0x04, 0xff7e1880,},
 253         {"RTL-8169sb/8110sb",   0x10, 0xff7e1880,},
 254         {"RTL-8169sc/8110sc",   0x18, 0xff7e1880,},
 255         {"RTL-8168b/8111sb",    0x30, 0xff7e1880,},
 256         {"RTL-8168b/8111sb",    0x38, 0xff7e1880,},
 257         {"RTL-8168c/8111c",     0x3c, 0xff7e1880,},
 258         {"RTL-8168d/8111d",     0x28, 0xff7e1880,},
 259         {"RTL-8168evl/8111evl", 0x2e, 0xff7e1880,},
 260         {"RTL-8168/8111g",      0x4c, 0xff7e1880,},
 261         {"RTL-8101e",           0x34, 0xff7e1880,},
 262         {"RTL-8100e",           0x32, 0xff7e1880,},
 263         {"RTL-8168h/8111h",     0x54, 0xff7e1880,},
 264 };
 265
 266 enum _DescStatusBit {
 267         OWNbit = 0x80000000,
 268         EORbit = 0x40000000,
 269         FSbit = 0x20000000,
 270         LSbit = 0x10000000,
 271 };
 272
 273 struct TxDesc {
 274         u32 status;
 275         u32 vlan_tag;
 276         u32 buf_addr;
 277         u32 buf_Haddr;
 278 };
 279
 280 struct RxDesc {
 281         u32 status;
 282         u32 vlan_tag;
 283         u32 buf_addr;
 284         u32 buf_Haddr;
 285 };
 286
 287 static unsigned char rxdata[RX_BUF_LEN];
 288
 289 #define RTL8169_DESC_SIZE 16
 290
 291 #if ARCH_DMA_MINALIGN > 256
 292 #  define RTL8169_ALIGN ARCH_DMA_MINALIGN
 293 #else
 294 #  define RTL8169_ALIGN 256
 295 #endif
 296
 297 /*
 298  * Warn if the cache-line size is larger than the descriptor size. In such
 299  * cases the driver will likely fail because the CPU needs to flush the cache
 300  * when requeuing RX buffers, therefore descriptors written by the hardware
 301  * may be discarded.
 302  *
 303  * This can be fixed by defining CONFIG_SYS_NONCACHED_MEMORY which will cause
 304  * the driver to allocate descriptors from a pool of non-cached memory.
 305  */
 306 #if RTL8169_DESC_SIZE < ARCH_DMA_MINALIGN
 307 #if !defined(CONFIG_SYS_NONCACHED_MEMORY) && \
 308         !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) && !defined(CONFIG_X86)
 309 #warning cache-line size is larger than descriptor size
 310 #endif
 311 #endif
 312
 313 /*
 314  * Create a static buffer of size RX_BUF_SZ for each TX Descriptor. All
 315  * descriptors point to a part of this buffer.
 316  */
 317 DEFINE_ALIGN_BUFFER(u8, txb, NUM_TX_DESC * RX_BUF_SIZE, RTL8169_ALIGN);
 318
 319 /*
 320  * Create a static buffer of size RX_BUF_SZ for each RX Descriptor. All
 321  * descriptors point to a part of this buffer.
 322  */
 323 DEFINE_ALIGN_BUFFER(u8, rxb, NUM_RX_DESC * RX_BUF_SIZE, RTL8169_ALIGN);
 324
 325 struct rtl8169_private {
 326         ulong iobase;
 327         void *mmio_addr;        /* memory map physical address */
 328         int chipset;
 329         unsigned long cur_rx;   /* Index into the Rx descriptor buffer of next Rx pkt. */
 330         unsigned long cur_tx;   /* Index into the Tx descriptor buffer of next Rx pkt. */
 331         unsigned long dirty_tx;
 332         struct TxDesc *TxDescArray;     /* Index of 256-alignment Tx Descriptor buffer */
 333         struct RxDesc *RxDescArray;     /* Index of 256-alignment Rx Descriptor buffer */
 334         unsigned char *RxBufferRings;   /* Index of Rx Buffer  */
 335         unsigned char *RxBufferRing[NUM_RX_DESC];       /* Index of Rx Buffer array */
 336         unsigned char *Tx_skbuff[NUM_TX_DESC];
 337 } tpx;
 338
 339 static struct rtl8169_private *tpc;
 340
 341 static const unsigned int rtl8169_rx_config =
 342     (RX_FIFO_THRESH << RxCfgFIFOShift) | (RX_DMA_BURST << RxCfgDMAShift);
 343
 344 static struct pci_device_id supported[] = {
 345         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167) },
 346         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8168) },
 347         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169) },
 348         {}
 349 };
 350
 351 void mdio_write(int RegAddr, int value)
 352 {
 353         int i;
 354
 355         RTL_W32(PHYAR, 0x80000000 | (RegAddr & 0xFF) << 16 | value);
 356         udelay(1000);
 357
 358         for (i = 2000; i > 0; i--) {
 359                 /* Check if the RTL8169 has completed writing to the specified MII register */
 360                 if (!(RTL_R32(PHYAR) & 0x80000000)) {
 361                         break;
 362                 } else {
 363                         udelay(100);
 364                 }
 365         }
 366 }
 367
 368 int mdio_read(int RegAddr)
 369 {
 370         int i, value = -1;
 371
 372         RTL_W32(PHYAR, 0x0 | (RegAddr & 0xFF) << 16);
 373         udelay(1000);
 374
 375         for (i = 2000; i > 0; i--) {
 376                 /* Check if the RTL8169 has completed retrieving data from the specified MII register */
 377                 if (RTL_R32(PHYAR) & 0x80000000) {
 378                         value = (int) (RTL_R32(PHYAR) & 0xFFFF);
 379                         break;
 380                 } else {
 381                         udelay(100);
 382                 }
 383         }
 384         return value;
 385 }
 386
 387 static int rtl8169_init_board(unsigned long dev_iobase, const char *name)
 388 {
 389         int i;
 390         u32 tmp;
 391
 392 #ifdef DEBUG_RTL8169
 393         printf ("%s\n", __FUNCTION__);
 394 #endif
 395         ioaddr = dev_iobase;
 396
 397         /* Soft reset the chip. */
 398         RTL_W8(ChipCmd, CmdReset);
 399
 400         /* Check that the chip has finished the reset. */
 401         for (i = 1000; i > 0; i--)
 402                 if ((RTL_R8(ChipCmd) & CmdReset) == 0)
 403                         break;
 404                 else
 405                         udelay(10);
 406
 407         /* identify chip attached to board */
 408         tmp = RTL_R32(TxConfig);
 409         tmp = ((tmp & 0x7c000000) + ((tmp & 0x00800000) << 2)) >> 24;
 410
 411         for (i = ARRAY_SIZE(rtl_chip_info) - 1; i >= 0; i--){
 412                 if (tmp == rtl_chip_info[i].version) {
 413                         tpc->chipset = i;
 414                         goto match;
 415                 }
 416         }
 417
 418         /* if unknown chip, assume array element #0, original RTL-8169 in this case */
 419         printf("PCI device %s: unknown chip version, assuming RTL-8169\n",
 420                name);
 421         printf("PCI device: TxConfig = 0x%lX\n", (unsigned long) RTL_R32(TxConfig));
 422         tpc->chipset = 0;
 423
 424 match:
 425         return 0;
 426 }
 427
 428 /*
 429  * TX and RX descriptors are 16 bytes. This causes problems with the cache
 430  * maintenance on CPUs where the cache-line size exceeds the size of these
 431  * descriptors. What will happen is that when the driver receives a packet
 432  * it will be immediately requeued for the hardware to reuse. The CPU will
 433  * therefore need to flush the cache-line containing the descriptor, which
 434  * will cause all other descriptors in the same cache-line to be flushed
 435  * along with it. If one of those descriptors had been written to by the
 436  * device those changes (and the associated packet) will be lost.
 437  *
 438  * To work around this, we make use of non-cached memory if available. If
 439  * descriptors are mapped uncached there's no need to manually flush them
 440  * or invalidate them.
 441  *
 442  * Note that this only applies to descriptors. The packet data buffers do
 443  * not have the same constraints since they are 1536 bytes large, so they
 444  * are unlikely to share cache-lines.
 445  */
 446 static void *rtl_alloc_descs(unsigned int num)
 447 {
 448         size_t size = num * RTL8169_DESC_SIZE;
 449
 450 #ifdef CONFIG_SYS_NONCACHED_MEMORY
 451         return (void *)noncached_alloc(size, RTL8169_ALIGN);
 452 #else
 453         return memalign(RTL8169_ALIGN, size);
 454 #endif
 455 }
 456
 457 /*
 458  * Cache maintenance functions. These are simple wrappers around the more
 459  * general purpose flush_cache() and invalidate_dcache_range() functions.
 460  */
 461
 462 static void rtl_inval_rx_desc(struct RxDesc *desc)
 463 {
 464 #ifndef CONFIG_SYS_NONCACHED_MEMORY
 465         unsigned long start = (unsigned long)desc & ~(ARCH_DMA_MINALIGN - 1);
 466         unsigned long end = ALIGN(start + sizeof(*desc), ARCH_DMA_MINALIGN);
 467
 468         invalidate_dcache_range(start, end);
 469 #endif
 470 }
 471
 472 static void rtl_flush_rx_desc(struct RxDesc *desc)
 473 {
 474 #ifndef CONFIG_SYS_NONCACHED_MEMORY
 475         flush_cache((unsigned long)desc, sizeof(*desc));
 476 #endif
 477 }
 478
 479 static void rtl_inval_tx_desc(struct TxDesc *desc)
 480 {
 481 #ifndef CONFIG_SYS_NONCACHED_MEMORY
 482         unsigned long start = (unsigned long)desc & ~(ARCH_DMA_MINALIGN - 1);
 483         unsigned long end = ALIGN(start + sizeof(*desc), ARCH_DMA_MINALIGN);
 484
 485         invalidate_dcache_range(start, end);
 486 #endif
 487 }
 488
 489 static void rtl_flush_tx_desc(struct TxDesc *desc)
 490 {
 491 #ifndef CONFIG_SYS_NONCACHED_MEMORY
 492         flush_cache((unsigned long)desc, sizeof(*desc));
 493 #endif
 494 }
 495
 496 static void rtl_inval_buffer(void *buf, size_t size)
 497 {
 498         unsigned long start = (unsigned long)buf & ~(ARCH_DMA_MINALIGN - 1);
 499         unsigned long end = ALIGN(start + size, ARCH_DMA_MINALIGN);
 500
 501         invalidate_dcache_range(start, end);
 502 }
 503
 504 static void rtl_flush_buffer(void *buf, size_t size)
 505 {
 506         flush_cache((unsigned long)buf, size);
 507 }
 508
 509 /**************************************************************************
 510 RECV - Receive a frame
 511 ***************************************************************************/
 512 #ifdef CONFIG_DM_ETH
 513 static int rtl_recv_common(struct udevice *dev, unsigned long dev_iobase,
 514                            uchar **packetp)
 515 #else
 516 static int rtl_recv_common(pci_dev_t dev, unsigned long dev_iobase,
 517                            uchar **packetp)
 518 #endif
 519 {
 520         /* return true if there's an ethernet packet ready to read */
 521         /* nic->packet should contain data on return */
 522         /* nic->packetlen should contain length of data */
 523         int cur_rx;
 524         int length = 0;
 525
 526 #ifdef DEBUG_RTL8169_RX
 527         printf ("%s\n", __FUNCTION__);
 528 #endif
 529         ioaddr = dev_iobase;
 530
 531         cur_rx = tpc->cur_rx;
 532
 533         rtl_inval_rx_desc(&tpc->RxDescArray[cur_rx]);
 534
 535         if ((le32_to_cpu(tpc->RxDescArray[cur_rx].status) & OWNbit) == 0) {
 536                 if (!(le32_to_cpu(tpc->RxDescArray[cur_rx].status) & RxRES)) {
 537                         length = (int) (le32_to_cpu(tpc->RxDescArray[cur_rx].
 538                                                 status) & 0x00001FFF) - 4;
 539
 540                         rtl_inval_buffer(tpc->RxBufferRing[cur_rx], length);
 541                         memcpy(rxdata, tpc->RxBufferRing[cur_rx], length);
 542
 543                         if (cur_rx == NUM_RX_DESC - 1)
 544                                 tpc->RxDescArray[cur_rx].status =
 545                                         cpu_to_le32((OWNbit | EORbit) + RX_BUF_SIZE);
 546                         else
 547                                 tpc->RxDescArray[cur_rx].status =
 548                                         cpu_to_le32(OWNbit + RX_BUF_SIZE);
 549 #ifdef CONFIG_DM_ETH
 550                         tpc->RxDescArray[cur_rx].buf_addr = cpu_to_le32(
 551                                 dm_pci_mem_to_phys(dev,
 552                                         (pci_addr_t)(unsigned long)
 553                                         tpc->RxBufferRing[cur_rx]));
 554 #else
 555                         tpc->RxDescArray[cur_rx].buf_addr = cpu_to_le32(
 556                                 pci_mem_to_phys(dev, (pci_addr_t)(unsigned long)
 557                                 tpc->RxBufferRing[cur_rx]));
 558 #endif
 559                         rtl_flush_rx_desc(&tpc->RxDescArray[cur_rx]);
 560 #ifdef CONFIG_DM_ETH
 561                         *packetp = rxdata;
 562 #else
 563                         net_process_received_packet(rxdata, length);
 564 #endif
 565                 } else {
 566                         puts("Error Rx");
 567                         length = -EIO;
 568                 }
 569                 cur_rx = (cur_rx + 1) % NUM_RX_DESC;
 570                 tpc->cur_rx = cur_rx;
 571                 return length;
 572
 573         } else {
 574                 ushort sts = RTL_R8(IntrStatus);
 575                 RTL_W8(IntrStatus, sts & ~(TxErr | RxErr | SYSErr));
 576                 udelay(100);    /* wait */
 577         }
 578         tpc->cur_rx = cur_rx;
 579         return (0);             /* initially as this is called to flush the input */
 580 }
 581
 582 #ifdef CONFIG_DM_ETH
 583 int rtl8169_eth_recv(struct udevice *dev, int flags, uchar **packetp)
 584 {
 585         struct rtl8169_private *priv = dev_get_priv(dev);
 586
 587         return rtl_recv_common(dev, priv->iobase, packetp);
 588 }
 589 #else
 590 static int rtl_recv(struct eth_device *dev)
 591 {
 592         return rtl_recv_common((pci_dev_t)(unsigned long)dev->priv,
 593                                dev->iobase, NULL);
 594 }
 595 #endif /* nCONFIG_DM_ETH */
 596
 597 #define HZ 1000
 598 /**************************************************************************
 599 SEND - Transmit a frame
 600 ***************************************************************************/
 601 #ifdef CONFIG_DM_ETH
 602 static int rtl_send_common(struct udevice *dev, unsigned long dev_iobase,
 603                            void *packet, int length)
 604 #else
 605 static int rtl_send_common(pci_dev_t dev, unsigned long dev_iobase,
 606                            void *packet, int length)
 607 #endif
 608 {
 609         /* send the packet to destination */
 610
 611         u32 to;
 612         u8 *ptxb;
 613         int entry = tpc->cur_tx % NUM_TX_DESC;
 614         u32 len = length;
 615         int ret;
 616
 617 #ifdef DEBUG_RTL8169_TX
 618         int stime = currticks();
 619         printf ("%s\n", __FUNCTION__);
 620         printf("sending %d bytes\n", len);
 621 #endif
 622
 623         ioaddr = dev_iobase;
 624
 625         /* point to the current txb incase multiple tx_rings are used */
 626         ptxb = tpc->Tx_skbuff[entry * MAX_ETH_FRAME_SIZE];
 627         memcpy(ptxb, (char *)packet, (int)length);
 628
 629         while (len < ETH_ZLEN)
 630                 ptxb[len++] = '\0';
 631
 632         rtl_flush_buffer(ptxb, ALIGN(len, RTL8169_ALIGN));
 633
 634         tpc->TxDescArray[entry].buf_Haddr = 0;
 635 #ifdef CONFIG_DM_ETH
 636         tpc->TxDescArray[entry].buf_addr = cpu_to_le32(
 637                 dm_pci_mem_to_phys(dev, (pci_addr_t)(unsigned long)ptxb));
 638 #else
 639         tpc->TxDescArray[entry].buf_addr = cpu_to_le32(
 640                 pci_mem_to_phys(dev, (pci_addr_t)(unsigned long)ptxb));
 641 #endif
 642         if (entry != (NUM_TX_DESC - 1)) {
 643                 tpc->TxDescArray[entry].status =
 644                         cpu_to_le32((OWNbit | FSbit | LSbit) |
 645                                     ((len > ETH_ZLEN) ? len : ETH_ZLEN));
 646         } else {
 647                 tpc->TxDescArray[entry].status =
 648                         cpu_to_le32((OWNbit | EORbit | FSbit | LSbit) |
 649                                     ((len > ETH_ZLEN) ? len : ETH_ZLEN));
 650         }
 651         rtl_flush_tx_desc(&tpc->TxDescArray[entry]);
 652         RTL_W8(TxPoll, 0x40);   /* set polling bit */
 653
 654         tpc->cur_tx++;
 655         to = currticks() + TX_TIMEOUT;
 656         do {
 657                 rtl_inval_tx_desc(&tpc->TxDescArray[entry]);
 658         } while ((le32_to_cpu(tpc->TxDescArray[entry].status) & OWNbit)
 659                                 && (currticks() < to)); /* wait */
 660
 661         if (currticks() >= to) {
 662 #ifdef DEBUG_RTL8169_TX
 663                 puts("tx timeout/error\n");
 664                 printf("%s elapsed time : %lu\n", __func__, currticks()-stime);
 665 #endif
 666                 ret = -ETIMEDOUT;
 667         } else {
 668 #ifdef DEBUG_RTL8169_TX
 669                 puts("tx done\n");
 670 #endif
 671                 ret = 0;
 672         }
 673         /* Delay to make net console (nc) work properly */
 674         udelay(20);
 675         return ret;
 676 }
 677
 678 #ifdef CONFIG_DM_ETH
 679 int rtl8169_eth_send(struct udevice *dev, void *packet, int length)
 680 {
 681         struct rtl8169_private *priv = dev_get_priv(dev);
 682
 683         return rtl_send_common(dev, priv->iobase, packet, length);
 684 }
 685
 686 #else
 687 static int rtl_send(struct eth_device *dev, void *packet, int length)
 688 {
 689         return rtl_send_common((pci_dev_t)(unsigned long)dev->priv,
 690                                dev->iobase, packet, length);
 691 }
 692 #endif
 693
 694 static void rtl8169_set_rx_mode(void)
 695 {
 696         u32 mc_filter[2];       /* Multicast hash filter */
 697         int rx_mode;
 698         u32 tmp = 0;
 699
 700 #ifdef DEBUG_RTL8169
 701         printf ("%s\n", __FUNCTION__);
 702 #endif
 703
 704         /* IFF_ALLMULTI */
 705         /* Too many to filter perfectly -- accept all multicasts. */
 706         rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
 707         mc_filter[1] = mc_filter[0] = 0xffffffff;
 708
 709         tmp = rtl8169_rx_config | rx_mode | (RTL_R32(RxConfig) &
 710                                    rtl_chip_info[tpc->chipset].RxConfigMask);
 711
 712         RTL_W32(RxConfig, tmp);
 713         RTL_W32(MAR0 + 0, mc_filter[0]);
 714         RTL_W32(MAR0 + 4, mc_filter[1]);
 715 }
 716
 717 #ifdef CONFIG_DM_ETH
 718 static void rtl8169_hw_start(struct udevice *dev)
 719 #else
 720 static void rtl8169_hw_start(pci_dev_t dev)
 721 #endif
 722 {
 723         u32 i;
 724
 725 #ifdef DEBUG_RTL8169
 726         int stime = currticks();
 727         printf ("%s\n", __FUNCTION__);
 728 #endif
 729
 730 #if 0
 731         /* Soft reset the chip. */
 732         RTL_W8(ChipCmd, CmdReset);
 733
 734         /* Check that the chip has finished the reset. */
 735         for (i = 1000; i > 0; i--) {
 736                 if ((RTL_R8(ChipCmd) & CmdReset) == 0)
 737                         break;
 738                 else
 739                         udelay(10);
 740         }
 741 #endif
 742
 743         RTL_W8(Cfg9346, Cfg9346_Unlock);
 744
 745         /* RTL-8169sb/8110sb or previous version */
 746         if (tpc->chipset <= 5)
 747                 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
 748
 749         RTL_W8(EarlyTxThres, EarlyTxThld);
 750
 751         /* For gigabit rtl8169 */
 752         RTL_W16(RxMaxSize, RxPacketMaxSize);
 753
 754         /* Set Rx Config register */
 755         i = rtl8169_rx_config | (RTL_R32(RxConfig) &
 756                                  rtl_chip_info[tpc->chipset].RxConfigMask);
 757         RTL_W32(RxConfig, i);
 758
 759         /* Set DMA burst size and Interframe Gap Time */
 760         RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
 761                                 (InterFrameGap << TxInterFrameGapShift));
 762
 763
 764         tpc->cur_rx = 0;
 765
 766 #ifdef CONFIG_DM_ETH
 767         RTL_W32(TxDescStartAddrLow, dm_pci_mem_to_phys(dev,
 768                         (pci_addr_t)(unsigned long)tpc->TxDescArray));
 769 #else
 770         RTL_W32(TxDescStartAddrLow, pci_mem_to_phys(dev,
 771                         (pci_addr_t)(unsigned long)tpc->TxDescArray));
 772 #endif
 773         RTL_W32(TxDescStartAddrHigh, (unsigned long)0);
 774 #ifdef CONFIG_DM_ETH
 775         RTL_W32(RxDescStartAddrLow, dm_pci_mem_to_phys(
 776                         dev, (pci_addr_t)(unsigned long)tpc->RxDescArray));
 777 #else
 778         RTL_W32(RxDescStartAddrLow, pci_mem_to_phys(
 779                         dev, (pci_addr_t)(unsigned long)tpc->RxDescArray));
 780 #endif
 781         RTL_W32(RxDescStartAddrHigh, (unsigned long)0);
 782
 783         /* RTL-8169sc/8110sc or later version */
 784         if (tpc->chipset > 5)
 785                 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
 786
 787         RTL_W8(Cfg9346, Cfg9346_Lock);
 788         udelay(10);
 789
 790         RTL_W32(RxMissed, 0);
 791
 792         rtl8169_set_rx_mode();
 793
 794         /* no early-rx interrupts */
 795         RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
 796
 797 #ifdef DEBUG_RTL8169
 798         printf("%s elapsed time : %lu\n", __func__, currticks()-stime);
 799 #endif
 800 }
 801
 802 #ifdef CONFIG_DM_ETH
 803 static void rtl8169_init_ring(struct udevice *dev)
 804 #else
 805 static void rtl8169_init_ring(pci_dev_t dev)
 806 #endif
 807 {
 808         int i;
 809
 810 #ifdef DEBUG_RTL8169
 811         int stime = currticks();
 812         printf ("%s\n", __FUNCTION__);
 813 #endif
 814
 815         tpc->cur_rx = 0;
 816         tpc->cur_tx = 0;
 817         tpc->dirty_tx = 0;
 818         memset(tpc->TxDescArray, 0x0, NUM_TX_DESC * sizeof(struct TxDesc));
 819         memset(tpc->RxDescArray, 0x0, NUM_RX_DESC * sizeof(struct RxDesc));
 820
 821         for (i = 0; i < NUM_TX_DESC; i++) {
 822                 tpc->Tx_skbuff[i] = &txb[i];
 823         }
 824
 825         for (i = 0; i < NUM_RX_DESC; i++) {
 826                 if (i == (NUM_RX_DESC - 1))
 827                         tpc->RxDescArray[i].status =
 828                                 cpu_to_le32((OWNbit | EORbit) + RX_BUF_SIZE);
 829                 else
 830                         tpc->RxDescArray[i].status =
 831                                 cpu_to_le32(OWNbit + RX_BUF_SIZE);
 832
 833                 tpc->RxBufferRing[i] = &rxb[i * RX_BUF_SIZE];
 834 #ifdef CONFIG_DM_ETH
 835                 tpc->RxDescArray[i].buf_addr = cpu_to_le32(dm_pci_mem_to_phys(
 836                         dev, (pci_addr_t)(unsigned long)tpc->RxBufferRing[i]));
 837 #else
 838                 tpc->RxDescArray[i].buf_addr = cpu_to_le32(pci_mem_to_phys(
 839                         dev, (pci_addr_t)(unsigned long)tpc->RxBufferRing[i]));
 840 #endif
 841                 rtl_flush_rx_desc(&tpc->RxDescArray[i]);
 842         }
 843
 844 #ifdef DEBUG_RTL8169
 845         printf("%s elapsed time : %lu\n", __func__, currticks()-stime);
 846 #endif
 847 }
 848
 849 #ifdef CONFIG_DM_ETH
 850 static void rtl8169_common_start(struct udevice *dev, unsigned char *enetaddr,
 851                                  unsigned long dev_iobase)
 852 #else
 853 static void rtl8169_common_start(pci_dev_t dev, unsigned char *enetaddr,
 854                                  unsigned long dev_iobase)
 855 #endif
 856 {
 857         int i;
 858
 859 #ifdef DEBUG_RTL8169
 860         int stime = currticks();
 861         printf ("%s\n", __FUNCTION__);
 862 #endif
 863
 864         ioaddr = dev_iobase;
 865
 866         rtl8169_init_ring(dev);
 867         rtl8169_hw_start(dev);
 868         /* Construct a perfect filter frame with the mac address as first match
 869          * and broadcast for all others */
 870         for (i = 0; i < 192; i++)
 871                 txb[i] = 0xFF;
 872
 873         txb[0] = enetaddr[0];
 874         txb[1] = enetaddr[1];
 875         txb[2] = enetaddr[2];
 876         txb[3] = enetaddr[3];
 877         txb[4] = enetaddr[4];
 878         txb[5] = enetaddr[5];
 879
 880 #ifdef DEBUG_RTL8169
 881         printf("%s elapsed time : %lu\n", __func__, currticks()-stime);
 882 #endif
 883 }
 884
 885 #ifdef CONFIG_DM_ETH
 886 static int rtl8169_eth_start(struct udevice *dev)
 887 {
 888         struct eth_pdata *plat = dev_get_platdata(dev);
 889         struct rtl8169_private *priv = dev_get_priv(dev);
 890
 891         rtl8169_common_start(dev, plat->enetaddr, priv->iobase);
 892
 893         return 0;
 894 }
 895 #else
 896 /**************************************************************************
 897 RESET - Finish setting up the ethernet interface
 898 ***************************************************************************/
 899 static int rtl_reset(struct eth_device *dev, bd_t *bis)
 900 {
 901         rtl8169_common_start((pci_dev_t)(unsigned long)dev->priv,
 902                              dev->enetaddr, dev->iobase);
 903
 904         return 0;
 905 }
 906 #endif /* nCONFIG_DM_ETH */
 907
 908 static void rtl_halt_common(unsigned long dev_iobase)
 909 {
 910         int i;
 911
 912 #ifdef DEBUG_RTL8169
 913         printf ("%s\n", __FUNCTION__);
 914 #endif
 915
 916         ioaddr = dev_iobase;
 917
 918         /* Stop the chip's Tx and Rx DMA processes. */
 919         RTL_W8(ChipCmd, 0x00);
 920
 921         /* Disable interrupts by clearing the interrupt mask. */
 922         RTL_W16(IntrMask, 0x0000);
 923
 924         RTL_W32(RxMissed, 0);
 925
 926         for (i = 0; i < NUM_RX_DESC; i++) {
 927                 tpc->RxBufferRing[i] = NULL;
 928         }
 929 }
 930
 931 #ifdef CONFIG_DM_ETH
 932 void rtl8169_eth_stop(struct udevice *dev)
 933 {
 934         struct rtl8169_private *priv = dev_get_priv(dev);
 935
 936         rtl_halt_common(priv->iobase);
 937 }
 938 #else
 939 /**************************************************************************
 940 HALT - Turn off ethernet interface
 941 ***************************************************************************/
 942 static void rtl_halt(struct eth_device *dev)
 943 {
 944         rtl_halt_common(dev->iobase);
 945 }
 946 #endif
 947
 948 #ifdef CONFIG_DM_ETH
 949 static int rtl8169_write_hwaddr(struct udevice *dev)
 950 {
 951         struct eth_pdata *plat = dev_get_platdata(dev);
 952         unsigned int i;
 953
 954         RTL_W8(Cfg9346, Cfg9346_Unlock);
 955
 956         for (i = 0; i < MAC_ADDR_LEN; i++)
 957                 RTL_W8(MAC0 + i, plat->enetaddr[i]);
 958
 959         RTL_W8(Cfg9346, Cfg9346_Lock);
 960
 961         return 0;
 962 }
 963 #endif
 964
 965 /**************************************************************************
 966 INIT - Look for an adapter, this routine's visible to the outside
 967 ***************************************************************************/
 968
 969 #define board_found 1
 970 #define valid_link 0
 971 static int rtl_init(unsigned long dev_ioaddr, const char *name,
 972                     unsigned char *enetaddr)
 973 {
 974         static int board_idx = -1;
 975         int i, rc;
 976         int option = -1, Cap10_100 = 0, Cap1000 = 0;
 977
 978 #ifdef DEBUG_RTL8169
 979         printf ("%s\n", __FUNCTION__);
 980 #endif
 981         ioaddr = dev_ioaddr;
 982
 983         board_idx++;
 984
 985         /* point to private storage */
 986         tpc = &tpx;
 987
 988         rc = rtl8169_init_board(ioaddr, name);
 989         if (rc)
 990                 return rc;
 991
 992         /* Get MAC address.  FIXME: read EEPROM */
 993         for (i = 0; i < MAC_ADDR_LEN; i++)
 994                 enetaddr[i] = RTL_R8(MAC0 + i);
 995
 996 #ifdef DEBUG_RTL8169
 997         printf("chipset = %d\n", tpc->chipset);
 998         printf("MAC Address");
 999         for (i = 0; i < MAC_ADDR_LEN; i++)
1000                 printf(":%02x", enetaddr[i]);
1001         putc('\n');
1002 #endif
1003
1004 #ifdef DEBUG_RTL8169
1005         /* Print out some hardware info */
1006         printf("%s: at ioaddr 0x%lx\n", name, ioaddr);
1007 #endif
1008
1009         /* if TBI is not endbled */
1010         if (!(RTL_R8(PHYstatus) & TBI_Enable)) {
1011                 int val = mdio_read(PHY_AUTO_NEGO_REG);
1012
1013                 option = (board_idx >= MAX_UNITS) ? 0 : media[board_idx];
1014                 /* Force RTL8169 in 10/100/1000 Full/Half mode. */
1015                 if (option > 0) {
1016 #ifdef DEBUG_RTL8169
1017                         printf("%s: Force-mode Enabled.\n", name);
1018 #endif
1019                         Cap10_100 = 0, Cap1000 = 0;
1020                         switch (option) {
1021                         case _10_Half:
1022                                 Cap10_100 = PHY_Cap_10_Half;
1023                                 Cap1000 = PHY_Cap_Null;
1024                                 break;
1025                         case _10_Full:
1026                                 Cap10_100 = PHY_Cap_10_Full;
1027                                 Cap1000 = PHY_Cap_Null;
1028                                 break;
1029                         case _100_Half:
1030                                 Cap10_100 = PHY_Cap_100_Half;
1031                                 Cap1000 = PHY_Cap_Null;
1032                                 break;
1033                         case _100_Full:
1034                                 Cap10_100 = PHY_Cap_100_Full;
1035                                 Cap1000 = PHY_Cap_Null;
1036                                 break;
1037                         case _1000_Full:
1038                                 Cap10_100 = PHY_Cap_Null;
1039                                 Cap1000 = PHY_Cap_1000_Full;
1040                                 break;
1041                         default:
1042                                 break;
1043                         }
1044                         mdio_write(PHY_AUTO_NEGO_REG, Cap10_100 | (val & 0x1F));        /* leave PHY_AUTO_NEGO_REG bit4:0 unchanged */
1045                         mdio_write(PHY_1000_CTRL_REG, Cap1000);
1046                 } else {
1047 #ifdef DEBUG_RTL8169
1048                         printf("%s: Auto-negotiation Enabled.\n",
1049                                name);
1050 #endif
1051                         /* enable 10/100 Full/Half Mode, leave PHY_AUTO_NEGO_REG bit4:0 unchanged */
1052                         mdio_write(PHY_AUTO_NEGO_REG,
1053                                    PHY_Cap_10_Half | PHY_Cap_10_Full |
1054                                    PHY_Cap_100_Half | PHY_Cap_100_Full |
1055                                    (val & 0x1F));
1056
1057                         /* enable 1000 Full Mode */
1058                         mdio_write(PHY_1000_CTRL_REG, PHY_Cap_1000_Full);
1059
1060                 }
1061
1062                 /* Enable auto-negotiation and restart auto-nigotiation */
1063                 mdio_write(PHY_CTRL_REG,
1064                            PHY_Enable_Auto_Nego | PHY_Restart_Auto_Nego);
1065                 udelay(100);
1066
1067                 /* wait for auto-negotiation process */
1068                 for (i = 10000; i > 0; i--) {
1069                         /* check if auto-negotiation complete */
1070                         if (mdio_read(PHY_STAT_REG) & PHY_Auto_Nego_Comp) {
1071                                 udelay(100);
1072                                 option = RTL_R8(PHYstatus);
1073                                 if (option & _1000bpsF) {
1074 #ifdef DEBUG_RTL8169
1075                                         printf("%s: 1000Mbps Full-duplex operation.\n",
1076                                                name);
1077 #endif
1078                                 } else {
1079 #ifdef DEBUG_RTL8169
1080                                         printf("%s: %sMbps %s-duplex operation.\n",
1081                                                name,
1082                                                (option & _100bps) ? "100" :
1083                                                "10",
1084                                                (option & FullDup) ? "Full" :
1085                                                "Half");
1086 #endif
1087                                 }
1088                                 break;
1089                         } else {
1090                                 udelay(100);
1091                         }
1092                 }               /* end for-loop to wait for auto-negotiation process */
1093
1094         } else {
1095                 udelay(100);
1096 #ifdef DEBUG_RTL8169
1097                 printf
1098                     ("%s: 1000Mbps Full-duplex operation, TBI Link %s!\n",
1099                      name,
1100                      (RTL_R32(TBICSR) & TBILinkOK) ? "OK" : "Failed");
1101 #endif
1102         }
1103
1104
1105         tpc->RxDescArray = rtl_alloc_descs(NUM_RX_DESC);
1106         if (!tpc->RxDescArray)
1107                 return -ENOMEM;
1108
1109         tpc->TxDescArray = rtl_alloc_descs(NUM_TX_DESC);
1110         if (!tpc->TxDescArray)
1111                 return -ENOMEM;
1112
1113         return 0;
1114 }
1115
1116 #ifndef CONFIG_DM_ETH
1117 int rtl8169_initialize(bd_t *bis)
1118 {
1119         pci_dev_t devno;
1120         int card_number = 0;
1121         struct eth_device *dev;
1122         u32 iobase;
1123         int idx=0;
1124
1125         while(1){
1126                 unsigned int region;
1127                 u16 device;
1128                 int err;
1129
1130                 /* Find RTL8169 */
1131                 if ((devno = pci_find_devices(supported, idx++)) < 0)
1132                         break;
1133
1134                 pci_read_config_word(devno, PCI_DEVICE_ID, &device);
1135                 switch (device) {
1136                 case 0x8168:
1137                         region = 2;
1138                         break;
1139
1140                 default:
1141                         region = 1;
1142                         break;
1143                 }
1144
1145                 pci_read_config_dword(devno, PCI_BASE_ADDRESS_0 + (region * 4), &iobase);
1146                 iobase &= ~0xf;
1147
1148                 debug ("rtl8169: REALTEK RTL8169 @0x%x\n", iobase);
1149
1150                 dev = (struct eth_device *)malloc(sizeof *dev);
1151                 if (!dev) {
1152                         printf("Can not allocate memory of rtl8169\n");
1153                         break;
1154                 }
1155
1156                 memset(dev, 0, sizeof(*dev));
1157                 sprintf (dev->name, "RTL8169#%d", card_number);
1158
1159                 dev->priv = (void *)(unsigned long)devno;
1160                 dev->iobase = (int)pci_mem_to_phys(devno, iobase);
1161
1162                 dev->init = rtl_reset;
1163                 dev->halt = rtl_halt;
1164                 dev->send = rtl_send;
1165                 dev->recv = rtl_recv;
1166
1167                 err = rtl_init(dev->iobase, dev->name, dev->enetaddr);
1168                 if (err < 0) {
1169                         printf(pr_fmt("failed to initialize card: %d\n"), err);
1170                         free(dev);
1171                         continue;
1172                 }
1173
1174                 eth_register (dev);
1175
1176                 card_number++;
1177         }
1178         return card_number;
1179 }
1180 #endif
1181
1182 #ifdef CONFIG_DM_ETH
1183 static int rtl8169_eth_probe(struct udevice *dev)
1184 {
1185         struct pci_child_platdata *pplat = dev_get_parent_platdata(dev);
1186         struct rtl8169_private *priv = dev_get_priv(dev);
1187         struct eth_pdata *plat = dev_get_platdata(dev);
1188         u32 iobase;
1189         int region;
1190         int ret;
1191
1192         debug("rtl8169: REALTEK RTL8169 @0x%x\n", iobase);
1193         switch (pplat->device) {
1194         case 0x8168:
1195                 region = 2;
1196                 break;
1197         default:
1198                 region = 1;
1199                 break;
1200         }
1201         dm_pci_read_config32(dev, PCI_BASE_ADDRESS_0 + region * 4, &iobase);
1202         iobase &= ~0xf;
1203         priv->iobase = (int)dm_pci_mem_to_phys(dev, iobase);
1204
1205         ret = rtl_init(priv->iobase, dev->name, plat->enetaddr);
1206         if (ret < 0) {
1207                 printf(pr_fmt("failed to initialize card: %d\n"), ret);
1208                 return ret;
1209         }
1210
1211         return 0;
1212 }
1213
1214 static const struct eth_ops rtl8169_eth_ops = {
1215         .start  = rtl8169_eth_start,
1216         .send   = rtl8169_eth_send,
1217         .recv   = rtl8169_eth_recv,
1218         .stop   = rtl8169_eth_stop,
1219         .write_hwaddr = rtl8169_write_hwaddr,
1220 };
1221
1222 static const struct udevice_id rtl8169_eth_ids[] = {
1223         { .compatible = "realtek,rtl8169" },
1224         { }
1225 };
1226
1227 U_BOOT_DRIVER(eth_rtl8169) = {
1228         .name   = "eth_rtl8169",
1229         .id     = UCLASS_ETH,
1230         .of_match = rtl8169_eth_ids,
1231         .probe  = rtl8169_eth_probe,
1232         .ops    = &rtl8169_eth_ops,
1233         .priv_auto_alloc_size = sizeof(struct rtl8169_private),
1234         .platdata_auto_alloc_size = sizeof(struct eth_pdata),
1235 };
1236
1237 U_BOOT_PCI_DEVICE(eth_rtl8169, supported);
1238 #endif