hw/lan9118.c

   1 /*
   2  * SMSC LAN9118 Ethernet interface emulation
   3  *
   4  * Copyright (c) 2009 CodeSourcery, LLC.
   5  * Written by Paul Brook
   6  *
   7  * This code is licensed under the GNU GPL v2
   8  *
   9  * Contributions after 2012-01-13 are licensed under the terms of the
  10  * GNU GPL, version 2 or (at your option) any later version.
  11  */
  12
  13 #include "sysbus.h"
  14 #include "net.h"
  15 #include "devices.h"
  16 #include "sysemu.h"
  17 #include "ptimer.h"
  18 /* For crc32 */
  19 #include <zlib.h>
  20
  21 //#define DEBUG_LAN9118
  22
  23 #ifdef DEBUG_LAN9118
  24 #define DPRINTF(fmt, ...) \
  25 do { printf("lan9118: " fmt , ## __VA_ARGS__); } while (0)
  26 #define BADF(fmt, ...) \
  27 do { hw_error("lan9118: error: " fmt , ## __VA_ARGS__);} while (0)
  28 #else
  29 #define DPRINTF(fmt, ...) do {} while(0)
  30 #define BADF(fmt, ...) \
  31 do { fprintf(stderr, "lan9118: error: " fmt , ## __VA_ARGS__);} while (0)
  32 #endif
  33
  34 #define CSR_ID_REV      0x50
  35 #define CSR_IRQ_CFG     0x54
  36 #define CSR_INT_STS     0x58
  37 #define CSR_INT_EN      0x5c
  38 #define CSR_BYTE_TEST   0x64
  39 #define CSR_FIFO_INT    0x68
  40 #define CSR_RX_CFG      0x6c
  41 #define CSR_TX_CFG      0x70
  42 #define CSR_HW_CFG      0x74
  43 #define CSR_RX_DP_CTRL  0x78
  44 #define CSR_RX_FIFO_INF 0x7c
  45 #define CSR_TX_FIFO_INF 0x80
  46 #define CSR_PMT_CTRL    0x84
  47 #define CSR_GPIO_CFG    0x88
  48 #define CSR_GPT_CFG     0x8c
  49 #define CSR_GPT_CNT     0x90
  50 #define CSR_WORD_SWAP   0x98
  51 #define CSR_FREE_RUN    0x9c
  52 #define CSR_RX_DROP     0xa0
  53 #define CSR_MAC_CSR_CMD 0xa4
  54 #define CSR_MAC_CSR_DATA 0xa8
  55 #define CSR_AFC_CFG     0xac
  56 #define CSR_E2P_CMD     0xb0
  57 #define CSR_E2P_DATA    0xb4
  58
  59 /* IRQ_CFG */
  60 #define IRQ_INT         0x00001000
  61 #define IRQ_EN          0x00000100
  62 #define IRQ_POL         0x00000010
  63 #define IRQ_TYPE        0x00000001
  64
  65 /* INT_STS/INT_EN */
  66 #define SW_INT          0x80000000
  67 #define TXSTOP_INT      0x02000000
  68 #define RXSTOP_INT      0x01000000
  69 #define RXDFH_INT       0x00800000
  70 #define TX_IOC_INT      0x00200000
  71 #define RXD_INT         0x00100000
  72 #define GPT_INT         0x00080000
  73 #define PHY_INT         0x00040000
  74 #define PME_INT         0x00020000
  75 #define TXSO_INT        0x00010000
  76 #define RWT_INT         0x00008000
  77 #define RXE_INT         0x00004000
  78 #define TXE_INT         0x00002000
  79 #define TDFU_INT        0x00000800
  80 #define TDFO_INT        0x00000400
  81 #define TDFA_INT        0x00000200
  82 #define TSFF_INT        0x00000100
  83 #define TSFL_INT        0x00000080
  84 #define RXDF_INT        0x00000040
  85 #define RDFL_INT        0x00000020
  86 #define RSFF_INT        0x00000010
  87 #define RSFL_INT        0x00000008
  88 #define GPIO2_INT       0x00000004
  89 #define GPIO1_INT       0x00000002
  90 #define GPIO0_INT       0x00000001
  91 #define RESERVED_INT    0x7c001000
  92
  93 #define MAC_CR          1
  94 #define MAC_ADDRH       2
  95 #define MAC_ADDRL       3
  96 #define MAC_HASHH       4
  97 #define MAC_HASHL       5
  98 #define MAC_MII_ACC     6
  99 #define MAC_MII_DATA    7
 100 #define MAC_FLOW        8
 101 #define MAC_VLAN1       9 /* TODO */
 102 #define MAC_VLAN2       10 /* TODO */
 103 #define MAC_WUFF        11 /* TODO */
 104 #define MAC_WUCSR       12 /* TODO */
 105
 106 #define MAC_CR_RXALL    0x80000000
 107 #define MAC_CR_RCVOWN   0x00800000
 108 #define MAC_CR_LOOPBK   0x00200000
 109 #define MAC_CR_FDPX     0x00100000
 110 #define MAC_CR_MCPAS    0x00080000
 111 #define MAC_CR_PRMS     0x00040000
 112 #define MAC_CR_INVFILT  0x00020000
 113 #define MAC_CR_PASSBAD  0x00010000
 114 #define MAC_CR_HO       0x00008000
 115 #define MAC_CR_HPFILT   0x00002000
 116 #define MAC_CR_LCOLL    0x00001000
 117 #define MAC_CR_BCAST    0x00000800
 118 #define MAC_CR_DISRTY   0x00000400
 119 #define MAC_CR_PADSTR   0x00000100
 120 #define MAC_CR_BOLMT    0x000000c0
 121 #define MAC_CR_DFCHK    0x00000020
 122 #define MAC_CR_TXEN     0x00000008
 123 #define MAC_CR_RXEN     0x00000004
 124 #define MAC_CR_RESERVED 0x7f404213
 125
 126 #define PHY_INT_ENERGYON            0x80
 127 #define PHY_INT_AUTONEG_COMPLETE    0x40
 128 #define PHY_INT_FAULT               0x20
 129 #define PHY_INT_DOWN                0x10
 130 #define PHY_INT_AUTONEG_LP          0x08
 131 #define PHY_INT_PARFAULT            0x04
 132 #define PHY_INT_AUTONEG_PAGE        0x02
 133
 134 #define GPT_TIMER_EN    0x20000000
 135
 136 enum tx_state {
 137     TX_IDLE,
 138     TX_B,
 139     TX_DATA
 140 };
 141
 142 typedef struct {
 143     /* state is a tx_state but we can't put enums in VMStateDescriptions. */
 144     uint32_t state;
 145     uint32_t cmd_a;
 146     uint32_t cmd_b;
 147     int32_t buffer_size;
 148     int32_t offset;
 149     int32_t pad;
 150     int32_t fifo_used;
 151     int32_t len;
 152     uint8_t data[2048];
 153 } LAN9118Packet;
 154
 155 static const VMStateDescription vmstate_lan9118_packet = {
 156     .name = "lan9118_packet",
 157     .version_id = 1,
 158     .minimum_version_id = 1,
 159     .fields = (VMStateField[]) {
 160         VMSTATE_UINT32(state, LAN9118Packet),
 161         VMSTATE_UINT32(cmd_a, LAN9118Packet),
 162         VMSTATE_UINT32(cmd_b, LAN9118Packet),
 163         VMSTATE_INT32(buffer_size, LAN9118Packet),
 164         VMSTATE_INT32(offset, LAN9118Packet),
 165         VMSTATE_INT32(pad, LAN9118Packet),
 166         VMSTATE_INT32(fifo_used, LAN9118Packet),
 167         VMSTATE_INT32(len, LAN9118Packet),
 168         VMSTATE_UINT8_ARRAY(data, LAN9118Packet, 2048),
 169         VMSTATE_END_OF_LIST()
 170     }
 171 };
 172
 173 typedef struct {
 174     SysBusDevice busdev;
 175     NICState *nic;
 176     NICConf conf;
 177     qemu_irq irq;
 178     MemoryRegion mmio;
 179     ptimer_state *timer;
 180
 181     uint32_t irq_cfg;
 182     uint32_t int_sts;
 183     uint32_t int_en;
 184     uint32_t fifo_int;
 185     uint32_t rx_cfg;
 186     uint32_t tx_cfg;
 187     uint32_t hw_cfg;
 188     uint32_t pmt_ctrl;
 189     uint32_t gpio_cfg;
 190     uint32_t gpt_cfg;
 191     uint32_t word_swap;
 192     uint32_t free_timer_start;
 193     uint32_t mac_cmd;
 194     uint32_t mac_data;
 195     uint32_t afc_cfg;
 196     uint32_t e2p_cmd;
 197     uint32_t e2p_data;
 198
 199     uint32_t mac_cr;
 200     uint32_t mac_hashh;
 201     uint32_t mac_hashl;
 202     uint32_t mac_mii_acc;
 203     uint32_t mac_mii_data;
 204     uint32_t mac_flow;
 205
 206     uint32_t phy_status;
 207     uint32_t phy_control;
 208     uint32_t phy_advertise;
 209     uint32_t phy_int;
 210     uint32_t phy_int_mask;
 211
 212     int32_t eeprom_writable;
 213     uint8_t eeprom[128];
 214
 215     int32_t tx_fifo_size;
 216     LAN9118Packet *txp;
 217     LAN9118Packet tx_packet;
 218
 219     int32_t tx_status_fifo_used;
 220     int32_t tx_status_fifo_head;
 221     uint32_t tx_status_fifo[512];
 222
 223     int32_t rx_status_fifo_size;
 224     int32_t rx_status_fifo_used;
 225     int32_t rx_status_fifo_head;
 226     uint32_t rx_status_fifo[896];
 227     int32_t rx_fifo_size;
 228     int32_t rx_fifo_used;
 229     int32_t rx_fifo_head;
 230     uint32_t rx_fifo[3360];
 231     int32_t rx_packet_size_head;
 232     int32_t rx_packet_size_tail;
 233     int32_t rx_packet_size[1024];
 234
 235     int32_t rxp_offset;
 236     int32_t rxp_size;
 237     int32_t rxp_pad;
 238 } lan9118_state;
 239
 240 static const VMStateDescription vmstate_lan9118 = {
 241     .name = "lan9118",
 242     .version_id = 1,
 243     .minimum_version_id = 1,
 244     .fields = (VMStateField[]) {
 245         VMSTATE_PTIMER(timer, lan9118_state),
 246         VMSTATE_UINT32(irq_cfg, lan9118_state),
 247         VMSTATE_UINT32(int_sts, lan9118_state),
 248         VMSTATE_UINT32(int_en, lan9118_state),
 249         VMSTATE_UINT32(fifo_int, lan9118_state),
 250         VMSTATE_UINT32(rx_cfg, lan9118_state),
 251         VMSTATE_UINT32(tx_cfg, lan9118_state),
 252         VMSTATE_UINT32(hw_cfg, lan9118_state),
 253         VMSTATE_UINT32(pmt_ctrl, lan9118_state),
 254         VMSTATE_UINT32(gpio_cfg, lan9118_state),
 255         VMSTATE_UINT32(gpt_cfg, lan9118_state),
 256         VMSTATE_UINT32(word_swap, lan9118_state),
 257         VMSTATE_UINT32(free_timer_start, lan9118_state),
 258         VMSTATE_UINT32(mac_cmd, lan9118_state),
 259         VMSTATE_UINT32(mac_data, lan9118_state),
 260         VMSTATE_UINT32(afc_cfg, lan9118_state),
 261         VMSTATE_UINT32(e2p_cmd, lan9118_state),
 262         VMSTATE_UINT32(e2p_data, lan9118_state),
 263         VMSTATE_UINT32(mac_cr, lan9118_state),
 264         VMSTATE_UINT32(mac_hashh, lan9118_state),
 265         VMSTATE_UINT32(mac_hashl, lan9118_state),
 266         VMSTATE_UINT32(mac_mii_acc, lan9118_state),
 267         VMSTATE_UINT32(mac_mii_data, lan9118_state),
 268         VMSTATE_UINT32(mac_flow, lan9118_state),
 269         VMSTATE_UINT32(phy_status, lan9118_state),
 270         VMSTATE_UINT32(phy_control, lan9118_state),
 271         VMSTATE_UINT32(phy_advertise, lan9118_state),
 272         VMSTATE_UINT32(phy_int, lan9118_state),
 273         VMSTATE_UINT32(phy_int_mask, lan9118_state),
 274         VMSTATE_INT32(eeprom_writable, lan9118_state),
 275         VMSTATE_UINT8_ARRAY(eeprom, lan9118_state, 128),
 276         VMSTATE_INT32(tx_fifo_size, lan9118_state),
 277         /* txp always points at tx_packet so need not be saved */
 278         VMSTATE_STRUCT(tx_packet, lan9118_state, 0,
 279                        vmstate_lan9118_packet, LAN9118Packet),
 280         VMSTATE_INT32(tx_status_fifo_used, lan9118_state),
 281         VMSTATE_INT32(tx_status_fifo_head, lan9118_state),
 282         VMSTATE_UINT32_ARRAY(tx_status_fifo, lan9118_state, 512),
 283         VMSTATE_INT32(rx_status_fifo_size, lan9118_state),
 284         VMSTATE_INT32(rx_status_fifo_used, lan9118_state),
 285         VMSTATE_INT32(rx_status_fifo_head, lan9118_state),
 286         VMSTATE_UINT32_ARRAY(rx_status_fifo, lan9118_state, 896),
 287         VMSTATE_INT32(rx_fifo_size, lan9118_state),
 288         VMSTATE_INT32(rx_fifo_used, lan9118_state),
 289         VMSTATE_INT32(rx_fifo_head, lan9118_state),
 290         VMSTATE_UINT32_ARRAY(rx_fifo, lan9118_state, 3360),
 291         VMSTATE_INT32(rx_packet_size_head, lan9118_state),
 292         VMSTATE_INT32(rx_packet_size_tail, lan9118_state),
 293         VMSTATE_INT32_ARRAY(rx_packet_size, lan9118_state, 1024),
 294         VMSTATE_INT32(rxp_offset, lan9118_state),
 295         VMSTATE_INT32(rxp_size, lan9118_state),
 296         VMSTATE_INT32(rxp_pad, lan9118_state),
 297         VMSTATE_END_OF_LIST()
 298     }
 299 };
 300
 301 static void lan9118_update(lan9118_state *s)
 302 {
 303     int level;
 304
 305     /* TODO: Implement FIFO level IRQs.  */
 306     level = (s->int_sts & s->int_en) != 0;
 307     if (level) {
 308         s->irq_cfg |= IRQ_INT;
 309     } else {
 310         s->irq_cfg &= ~IRQ_INT;
 311     }
 312     if ((s->irq_cfg & IRQ_EN) == 0) {
 313         level = 0;
 314     }
 315     if ((s->irq_cfg & (IRQ_TYPE | IRQ_POL)) != (IRQ_TYPE | IRQ_POL)) {
 316         /* Interrupt is active low unless we're configured as
 317          * active-high polarity, push-pull type.
 318          */
 319         level = !level;
 320     }
 321     qemu_set_irq(s->irq, level);
 322 }
 323
 324 static void lan9118_mac_changed(lan9118_state *s)
 325 {
 326     qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
 327 }
 328
 329 static void lan9118_reload_eeprom(lan9118_state *s)
 330 {
 331     int i;
 332     if (s->eeprom[0] != 0xa5) {
 333         s->e2p_cmd &= ~0x10;
 334         DPRINTF("MACADDR load failed\n");
 335         return;
 336     }
 337     for (i = 0; i < 6; i++) {
 338         s->conf.macaddr.a[i] = s->eeprom[i + 1];
 339     }
 340     s->e2p_cmd |= 0x10;
 341     DPRINTF("MACADDR loaded from eeprom\n");
 342     lan9118_mac_changed(s);
 343 }
 344
 345 static void phy_update_irq(lan9118_state *s)
 346 {
 347     if (s->phy_int & s->phy_int_mask) {
 348         s->int_sts |= PHY_INT;
 349     } else {
 350         s->int_sts &= ~PHY_INT;
 351     }
 352     lan9118_update(s);
 353 }
 354
 355 static void phy_update_link(lan9118_state *s)
 356 {
 357     /* Autonegotiation status mirrors link status.  */
 358     if (s->nic->nc.link_down) {
 359         s->phy_status &= ~0x0024;
 360         s->phy_int |= PHY_INT_DOWN;
 361     } else {
 362         s->phy_status |= 0x0024;
 363         s->phy_int |= PHY_INT_ENERGYON;
 364         s->phy_int |= PHY_INT_AUTONEG_COMPLETE;
 365     }
 366     phy_update_irq(s);
 367 }
 368
 369 static void lan9118_set_link(VLANClientState *nc)
 370 {
 371     phy_update_link(DO_UPCAST(NICState, nc, nc)->opaque);
 372 }
 373
 374 static void phy_reset(lan9118_state *s)
 375 {
 376     s->phy_status = 0x7809;
 377     s->phy_control = 0x3000;
 378     s->phy_advertise = 0x01e1;
 379     s->phy_int_mask = 0;
 380     s->phy_int = 0;
 381     phy_update_link(s);
 382 }
 383
 384 static void lan9118_reset(DeviceState *d)
 385 {
 386     lan9118_state *s = FROM_SYSBUS(lan9118_state, sysbus_from_qdev(d));
 387     s->irq_cfg &= (IRQ_TYPE | IRQ_POL);
 388     s->int_sts = 0;
 389     s->int_en = 0;
 390     s->fifo_int = 0x48000000;
 391     s->rx_cfg = 0;
 392     s->tx_cfg = 0;
 393     s->hw_cfg = 0x00050000;
 394     s->pmt_ctrl &= 0x45;
 395     s->gpio_cfg = 0;
 396     s->txp->fifo_used = 0;
 397     s->txp->state = TX_IDLE;
 398     s->txp->cmd_a = 0xffffffffu;
 399     s->txp->cmd_b = 0xffffffffu;
 400     s->txp->len = 0;
 401     s->txp->fifo_used = 0;
 402     s->tx_fifo_size = 4608;
 403     s->tx_status_fifo_used = 0;
 404     s->rx_status_fifo_size = 704;
 405     s->rx_fifo_size = 2640;
 406     s->rx_fifo_used = 0;
 407     s->rx_status_fifo_size = 176;
 408     s->rx_status_fifo_used = 0;
 409     s->rxp_offset = 0;
 410     s->rxp_size = 0;
 411     s->rxp_pad = 0;
 412     s->rx_packet_size_tail = s->rx_packet_size_head;
 413     s->rx_packet_size[s->rx_packet_size_head] = 0;
 414     s->mac_cmd = 0;
 415     s->mac_data = 0;
 416     s->afc_cfg = 0;
 417     s->e2p_cmd = 0;
 418     s->e2p_data = 0;
 419     s->free_timer_start = qemu_get_clock_ns(vm_clock) / 40;
 420
 421     ptimer_stop(s->timer);
 422     ptimer_set_count(s->timer, 0xffff);
 423     s->gpt_cfg = 0xffff;
 424
 425     s->mac_cr = MAC_CR_PRMS;
 426     s->mac_hashh = 0;
 427     s->mac_hashl = 0;
 428     s->mac_mii_acc = 0;
 429     s->mac_mii_data = 0;
 430     s->mac_flow = 0;
 431
 432     phy_reset(s);
 433
 434     s->eeprom_writable = 0;
 435     lan9118_reload_eeprom(s);
 436 }
 437
 438 static int lan9118_can_receive(VLANClientState *nc)
 439 {
 440     return 1;
 441 }
 442
 443 static void rx_fifo_push(lan9118_state *s, uint32_t val)
 444 {
 445     int fifo_pos;
 446     fifo_pos = s->rx_fifo_head + s->rx_fifo_used;
 447     if (fifo_pos >= s->rx_fifo_size)
 448       fifo_pos -= s->rx_fifo_size;
 449     s->rx_fifo[fifo_pos] = val;
 450     s->rx_fifo_used++;
 451 }
 452
 453 /* Return nonzero if the packet is accepted by the filter.  */
 454 static int lan9118_filter(lan9118_state *s, const uint8_t *addr)
 455 {
 456     int multicast;
 457     uint32_t hash;
 458
 459     if (s->mac_cr & MAC_CR_PRMS) {
 460         return 1;
 461     }
 462     if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
 463         addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
 464         return (s->mac_cr & MAC_CR_BCAST) == 0;
 465     }
 466
 467     multicast = addr[0] & 1;
 468     if (multicast &&s->mac_cr & MAC_CR_MCPAS) {
 469         return 1;
 470     }
 471     if (multicast ? (s->mac_cr & MAC_CR_HPFILT) == 0
 472                   : (s->mac_cr & MAC_CR_HO) == 0) {
 473         /* Exact matching.  */
 474         hash = memcmp(addr, s->conf.macaddr.a, 6);
 475         if (s->mac_cr & MAC_CR_INVFILT) {
 476             return hash != 0;
 477         } else {
 478             return hash == 0;
 479         }
 480     } else {
 481         /* Hash matching  */
 482         hash = (crc32(~0, addr, 6) >> 26);
 483         if (hash & 0x20) {
 484             return (s->mac_hashh >> (hash & 0x1f)) & 1;
 485         } else {
 486             return (s->mac_hashl >> (hash & 0x1f)) & 1;
 487         }
 488     }
 489 }
 490
 491 static ssize_t lan9118_receive(VLANClientState *nc, const uint8_t *buf,
 492                                size_t size)
 493 {
 494     lan9118_state *s = DO_UPCAST(NICState, nc, nc)->opaque;
 495     int fifo_len;
 496     int offset;
 497     int src_pos;
 498     int n;
 499     int filter;
 500     uint32_t val;
 501     uint32_t crc;
 502     uint32_t status;
 503
 504     if ((s->mac_cr & MAC_CR_RXEN) == 0) {
 505         return -1;
 506     }
 507
 508     if (size >= 2048 || size < 14) {
 509         return -1;
 510     }
 511
 512     /* TODO: Implement FIFO overflow notification.  */
 513     if (s->rx_status_fifo_used == s->rx_status_fifo_size) {
 514         return -1;
 515     }
 516
 517     filter = lan9118_filter(s, buf);
 518     if (!filter && (s->mac_cr & MAC_CR_RXALL) == 0) {
 519         return size;
 520     }
 521
 522     offset = (s->rx_cfg >> 8) & 0x1f;
 523     n = offset & 3;
 524     fifo_len = (size + n + 3) >> 2;
 525     /* Add a word for the CRC.  */
 526     fifo_len++;
 527     if (s->rx_fifo_size - s->rx_fifo_used < fifo_len) {
 528         return -1;
 529     }
 530
 531     DPRINTF("Got packet len:%d fifo:%d filter:%s\n",
 532             (int)size, fifo_len, filter ? "pass" : "fail");
 533     val = 0;
 534     crc = bswap32(crc32(~0, buf, size));
 535     for (src_pos = 0; src_pos < size; src_pos++) {
 536         val = (val >> 8) | ((uint32_t)buf[src_pos] << 24);
 537         n++;
 538         if (n == 4) {
 539             n = 0;
 540             rx_fifo_push(s, val);
 541             val = 0;
 542         }
 543     }
 544     if (n) {
 545         val >>= ((4 - n) * 8);
 546         val |= crc << (n * 8);
 547         rx_fifo_push(s, val);
 548         val = crc >> ((4 - n) * 8);
 549         rx_fifo_push(s, val);
 550     } else {
 551         rx_fifo_push(s, crc);
 552     }
 553     n = s->rx_status_fifo_head + s->rx_status_fifo_used;
 554     if (n >= s->rx_status_fifo_size) {
 555         n -= s->rx_status_fifo_size;
 556     }
 557     s->rx_packet_size[s->rx_packet_size_tail] = fifo_len;
 558     s->rx_packet_size_tail = (s->rx_packet_size_tail + 1023) & 1023;
 559     s->rx_status_fifo_used++;
 560
 561     status = (size + 4) << 16;
 562     if (buf[0] == 0xff && buf[1] == 0xff && buf[2] == 0xff &&
 563         buf[3] == 0xff && buf[4] == 0xff && buf[5] == 0xff) {
 564         status |= 0x00002000;
 565     } else if (buf[0] & 1) {
 566         status |= 0x00000400;
 567     }
 568     if (!filter) {
 569         status |= 0x40000000;
 570     }
 571     s->rx_status_fifo[n] = status;
 572
 573     if (s->rx_status_fifo_used > (s->fifo_int & 0xff)) {
 574         s->int_sts |= RSFL_INT;
 575     }
 576     lan9118_update(s);
 577
 578     return size;
 579 }
 580
 581 static uint32_t rx_fifo_pop(lan9118_state *s)
 582 {
 583     int n;
 584     uint32_t val;
 585
 586     if (s->rxp_size == 0 && s->rxp_pad == 0) {
 587         s->rxp_size = s->rx_packet_size[s->rx_packet_size_head];
 588         s->rx_packet_size[s->rx_packet_size_head] = 0;
 589         if (s->rxp_size != 0) {
 590             s->rx_packet_size_head = (s->rx_packet_size_head + 1023) & 1023;
 591             s->rxp_offset = (s->rx_cfg >> 10) & 7;
 592             n = s->rxp_offset + s->rxp_size;
 593             switch (s->rx_cfg >> 30) {
 594             case 1:
 595                 n = (-n) & 3;
 596                 break;
 597             case 2:
 598                 n = (-n) & 7;
 599                 break;
 600             default:
 601                 n = 0;
 602                 break;
 603             }
 604             s->rxp_pad = n;
 605             DPRINTF("Pop packet size:%d offset:%d pad: %d\n",
 606                     s->rxp_size, s->rxp_offset, s->rxp_pad);
 607         }
 608     }
 609     if (s->rxp_offset > 0) {
 610         s->rxp_offset--;
 611         val = 0;
 612     } else if (s->rxp_size > 0) {
 613         s->rxp_size--;
 614         val = s->rx_fifo[s->rx_fifo_head++];
 615         if (s->rx_fifo_head >= s->rx_fifo_size) {
 616             s->rx_fifo_head -= s->rx_fifo_size;
 617         }
 618         s->rx_fifo_used--;
 619     } else if (s->rxp_pad > 0) {
 620         s->rxp_pad--;
 621         val =  0;
 622     } else {
 623         DPRINTF("RX underflow\n");
 624         s->int_sts |= RXE_INT;
 625         val =  0;
 626     }
 627     lan9118_update(s);
 628     return val;
 629 }
 630
 631 static void do_tx_packet(lan9118_state *s)
 632 {
 633     int n;
 634     uint32_t status;
 635
 636     /* FIXME: Honor TX disable, and allow queueing of packets.  */
 637     if (s->phy_control & 0x4000)  {
 638         /* This assumes the receive routine doesn't touch the VLANClient.  */
 639         lan9118_receive(&s->nic->nc, s->txp->data, s->txp->len);
 640     } else {
 641         qemu_send_packet(&s->nic->nc, s->txp->data, s->txp->len);
 642     }
 643     s->txp->fifo_used = 0;
 644
 645     if (s->tx_status_fifo_used == 512) {
 646         /* Status FIFO full */
 647         return;
 648     }
 649     /* Add entry to status FIFO.  */
 650     status = s->txp->cmd_b & 0xffff0000u;
 651     DPRINTF("Sent packet tag:%04x len %d\n", status >> 16, s->txp->len);
 652     n = (s->tx_status_fifo_head + s->tx_status_fifo_used) & 511;
 653     s->tx_status_fifo[n] = status;
 654     s->tx_status_fifo_used++;
 655     if (s->tx_status_fifo_used == 512) {
 656         s->int_sts |= TSFF_INT;
 657         /* TODO: Stop transmission.  */
 658     }
 659 }
 660
 661 static uint32_t rx_status_fifo_pop(lan9118_state *s)
 662 {
 663     uint32_t val;
 664
 665     val = s->rx_status_fifo[s->rx_status_fifo_head];
 666     if (s->rx_status_fifo_used != 0) {
 667         s->rx_status_fifo_used--;
 668         s->rx_status_fifo_head++;
 669         if (s->rx_status_fifo_head >= s->rx_status_fifo_size) {
 670             s->rx_status_fifo_head -= s->rx_status_fifo_size;
 671         }
 672         /* ??? What value should be returned when the FIFO is empty?  */
 673         DPRINTF("RX status pop 0x%08x\n", val);
 674     }
 675     return val;
 676 }
 677
 678 static uint32_t tx_status_fifo_pop(lan9118_state *s)
 679 {
 680     uint32_t val;
 681
 682     val = s->tx_status_fifo[s->tx_status_fifo_head];
 683     if (s->tx_status_fifo_used != 0) {
 684         s->tx_status_fifo_used--;
 685         s->tx_status_fifo_head = (s->tx_status_fifo_head + 1) & 511;
 686         /* ??? What value should be returned when the FIFO is empty?  */
 687     }
 688     return val;
 689 }
 690
 691 static void tx_fifo_push(lan9118_state *s, uint32_t val)
 692 {
 693     int n;
 694
 695     if (s->txp->fifo_used == s->tx_fifo_size) {
 696         s->int_sts |= TDFO_INT;
 697         return;
 698     }
 699     switch (s->txp->state) {
 700     case TX_IDLE:
 701         s->txp->cmd_a = val & 0x831f37ff;
 702         s->txp->fifo_used++;
 703         s->txp->state = TX_B;
 704         break;
 705     case TX_B:
 706         if (s->txp->cmd_a & 0x2000) {
 707             /* First segment */
 708             s->txp->cmd_b = val;
 709             s->txp->fifo_used++;
 710             s->txp->buffer_size = s->txp->cmd_a & 0x7ff;
 711             s->txp->offset = (s->txp->cmd_a >> 16) & 0x1f;
 712             /* End alignment does not include command words.  */
 713             n = (s->txp->buffer_size + s->txp->offset + 3) >> 2;
 714             switch ((n >> 24) & 3) {
 715             case 1:
 716                 n = (-n) & 3;
 717                 break;
 718             case 2:
 719                 n = (-n) & 7;
 720                 break;
 721             default:
 722                 n = 0;
 723             }
 724             s->txp->pad = n;
 725             s->txp->len = 0;
 726         }
 727         DPRINTF("Block len:%d offset:%d pad:%d cmd %08x\n",
 728                 s->txp->buffer_size, s->txp->offset, s->txp->pad,
 729                 s->txp->cmd_a);
 730         s->txp->state = TX_DATA;
 731         break;
 732     case TX_DATA:
 733         if (s->txp->offset >= 4) {
 734             s->txp->offset -= 4;
 735             break;
 736         }
 737         if (s->txp->buffer_size <= 0 && s->txp->pad != 0) {
 738             s->txp->pad--;
 739         } else {
 740             n = 4;
 741             while (s->txp->offset) {
 742                 val >>= 8;
 743                 n--;
 744                 s->txp->offset--;
 745             }
 746             /* Documentation is somewhat unclear on the ordering of bytes
 747                in FIFO words.  Empirical results show it to be little-endian.
 748                */
 749             /* TODO: FIFO overflow checking.  */
 750             while (n--) {
 751                 s->txp->data[s->txp->len] = val & 0xff;
 752                 s->txp->len++;
 753                 val >>= 8;
 754                 s->txp->buffer_size--;
 755             }
 756             s->txp->fifo_used++;
 757         }
 758         if (s->txp->buffer_size <= 0 && s->txp->pad == 0) {
 759             if (s->txp->cmd_a & 0x1000) {
 760                 do_tx_packet(s);
 761             }
 762             if (s->txp->cmd_a & 0x80000000) {
 763                 s->int_sts |= TX_IOC_INT;
 764             }
 765             s->txp->state = TX_IDLE;
 766         }
 767         break;
 768     }
 769 }
 770
 771 static uint32_t do_phy_read(lan9118_state *s, int reg)
 772 {
 773     uint32_t val;
 774
 775     switch (reg) {
 776     case 0: /* Basic Control */
 777         return s->phy_control;
 778     case 1: /* Basic Status */
 779         return s->phy_status;
 780     case 2: /* ID1 */
 781         return 0x0007;
 782     case 3: /* ID2 */
 783         return 0xc0d1;
 784     case 4: /* Auto-neg advertisement */
 785         return s->phy_advertise;
 786     case 5: /* Auto-neg Link Partner Ability */
 787         return 0x0f71;
 788     case 6: /* Auto-neg Expansion */
 789         return 1;
 790         /* TODO 17, 18, 27, 29, 30, 31 */
 791     case 29: /* Interrupt source.  */
 792         val = s->phy_int;
 793         s->phy_int = 0;
 794         phy_update_irq(s);
 795         return val;
 796     case 30: /* Interrupt mask */
 797         return s->phy_int_mask;
 798     default:
 799         BADF("PHY read reg %d\n", reg);
 800         return 0;
 801     }
 802 }
 803
 804 static void do_phy_write(lan9118_state *s, int reg, uint32_t val)
 805 {
 806     switch (reg) {
 807     case 0: /* Basic Control */
 808         if (val & 0x8000) {
 809             phy_reset(s);
 810             break;
 811         }
 812         s->phy_control = val & 0x7980;
 813         /* Complete autonegotiation immediately.  */
 814         if (val & 0x1000) {
 815             s->phy_status |= 0x0020;
 816         }
 817         break;
 818     case 4: /* Auto-neg advertisement */
 819         s->phy_advertise = (val & 0x2d7f) | 0x80;
 820         break;
 821         /* TODO 17, 18, 27, 31 */
 822     case 30: /* Interrupt mask */
 823         s->phy_int_mask = val & 0xff;
 824         phy_update_irq(s);
 825         break;
 826     default:
 827         BADF("PHY write reg %d = 0x%04x\n", reg, val);
 828     }
 829 }
 830
 831 static void do_mac_write(lan9118_state *s, int reg, uint32_t val)
 832 {
 833     switch (reg) {
 834     case MAC_CR:
 835         if ((s->mac_cr & MAC_CR_RXEN) != 0 && (val & MAC_CR_RXEN) == 0) {
 836             s->int_sts |= RXSTOP_INT;
 837         }
 838         s->mac_cr = val & ~MAC_CR_RESERVED;
 839         DPRINTF("MAC_CR: %08x\n", val);
 840         break;
 841     case MAC_ADDRH:
 842         s->conf.macaddr.a[4] = val & 0xff;
 843         s->conf.macaddr.a[5] = (val >> 8) & 0xff;
 844         lan9118_mac_changed(s);
 845         break;
 846     case MAC_ADDRL:
 847         s->conf.macaddr.a[0] = val & 0xff;
 848         s->conf.macaddr.a[1] = (val >> 8) & 0xff;
 849         s->conf.macaddr.a[2] = (val >> 16) & 0xff;
 850         s->conf.macaddr.a[3] = (val >> 24) & 0xff;
 851         lan9118_mac_changed(s);
 852         break;
 853     case MAC_HASHH:
 854         s->mac_hashh = val;
 855         break;
 856     case MAC_HASHL:
 857         s->mac_hashl = val;
 858         break;
 859     case MAC_MII_ACC:
 860         s->mac_mii_acc = val & 0xffc2;
 861         if (val & 2) {
 862             DPRINTF("PHY write %d = 0x%04x\n",
 863                     (val >> 6) & 0x1f, s->mac_mii_data);
 864             do_phy_write(s, (val >> 6) & 0x1f, s->mac_mii_data);
 865         } else {
 866             s->mac_mii_data = do_phy_read(s, (val >> 6) & 0x1f);
 867             DPRINTF("PHY read %d = 0x%04x\n",
 868                     (val >> 6) & 0x1f, s->mac_mii_data);
 869         }
 870         break;
 871     case MAC_MII_DATA:
 872         s->mac_mii_data = val & 0xffff;
 873         break;
 874     case MAC_FLOW:
 875         s->mac_flow = val & 0xffff0000;
 876         break;
 877     case MAC_VLAN1:
 878         /* Writing to this register changes a condition for
 879          * FrameTooLong bit in rx_status.  Since we do not set
 880          * FrameTooLong anyway, just ignore write to this.
 881          */
 882         break;
 883     default:
 884         hw_error("lan9118: Unimplemented MAC register write: %d = 0x%x\n",
 885                  s->mac_cmd & 0xf, val);
 886     }
 887 }
 888
 889 static uint32_t do_mac_read(lan9118_state *s, int reg)
 890 {
 891     switch (reg) {
 892     case MAC_CR:
 893         return s->mac_cr;
 894     case MAC_ADDRH:
 895         return s->conf.macaddr.a[4] | (s->conf.macaddr.a[5] << 8);
 896     case MAC_ADDRL:
 897         return s->conf.macaddr.a[0] | (s->conf.macaddr.a[1] << 8)
 898                | (s->conf.macaddr.a[2] << 16) | (s->conf.macaddr.a[3] << 24);
 899     case MAC_HASHH:
 900         return s->mac_hashh;
 901         break;
 902     case MAC_HASHL:
 903         return s->mac_hashl;
 904         break;
 905     case MAC_MII_ACC:
 906         return s->mac_mii_acc;
 907     case MAC_MII_DATA:
 908         return s->mac_mii_data;
 909     case MAC_FLOW:
 910         return s->mac_flow;
 911     default:
 912         hw_error("lan9118: Unimplemented MAC register read: %d\n",
 913                  s->mac_cmd & 0xf);
 914     }
 915 }
 916
 917 static void lan9118_eeprom_cmd(lan9118_state *s, int cmd, int addr)
 918 {
 919     s->e2p_cmd = (s->e2p_cmd & 0x10) | (cmd << 28) | addr;
 920     switch (cmd) {
 921     case 0:
 922         s->e2p_data = s->eeprom[addr];
 923         DPRINTF("EEPROM Read %d = 0x%02x\n", addr, s->e2p_data);
 924         break;
 925     case 1:
 926         s->eeprom_writable = 0;
 927         DPRINTF("EEPROM Write Disable\n");
 928         break;
 929     case 2: /* EWEN */
 930         s->eeprom_writable = 1;
 931         DPRINTF("EEPROM Write Enable\n");
 932         break;
 933     case 3: /* WRITE */
 934         if (s->eeprom_writable) {
 935             s->eeprom[addr] &= s->e2p_data;
 936             DPRINTF("EEPROM Write %d = 0x%02x\n", addr, s->e2p_data);
 937         } else {
 938             DPRINTF("EEPROM Write %d (ignored)\n", addr);
 939         }
 940         break;
 941     case 4: /* WRAL */
 942         if (s->eeprom_writable) {
 943             for (addr = 0; addr < 128; addr++) {
 944                 s->eeprom[addr] &= s->e2p_data;
 945             }
 946             DPRINTF("EEPROM Write All 0x%02x\n", s->e2p_data);
 947         } else {
 948             DPRINTF("EEPROM Write All (ignored)\n");
 949         }
 950         break;
 951     case 5: /* ERASE */
 952         if (s->eeprom_writable) {
 953             s->eeprom[addr] = 0xff;
 954             DPRINTF("EEPROM Erase %d\n", addr);
 955         } else {
 956             DPRINTF("EEPROM Erase %d (ignored)\n", addr);
 957         }
 958         break;
 959     case 6: /* ERAL */
 960         if (s->eeprom_writable) {
 961             memset(s->eeprom, 0xff, 128);
 962             DPRINTF("EEPROM Erase All\n");
 963         } else {
 964             DPRINTF("EEPROM Erase All (ignored)\n");
 965         }
 966         break;
 967     case 7: /* RELOAD */
 968         lan9118_reload_eeprom(s);
 969         break;
 970     }
 971 }
 972
 973 static void lan9118_tick(void *opaque)
 974 {
 975     lan9118_state *s = (lan9118_state *)opaque;
 976     if (s->int_en & GPT_INT) {
 977         s->int_sts |= GPT_INT;
 978     }
 979     lan9118_update(s);
 980 }
 981
 982 static void lan9118_writel(void *opaque, target_phys_addr_t offset,
 983                            uint64_t val, unsigned size)
 984 {
 985     lan9118_state *s = (lan9118_state *)opaque;
 986     offset &= 0xff;
 987
 988     //DPRINTF("Write reg 0x%02x = 0x%08x\n", (int)offset, val);
 989     if (offset >= 0x20 && offset < 0x40) {
 990         /* TX FIFO */
 991         tx_fifo_push(s, val);
 992         return;
 993     }
 994     switch (offset) {
 995     case CSR_IRQ_CFG:
 996         /* TODO: Implement interrupt deassertion intervals.  */
 997         val &= (IRQ_EN | IRQ_POL | IRQ_TYPE);
 998         s->irq_cfg = (s->irq_cfg & IRQ_INT) | val;
 999         break;
1000     case CSR_INT_STS:
1001         s->int_sts &= ~val;
1002         break;
1003     case CSR_INT_EN:
1004         s->int_en = val & ~RESERVED_INT;
1005         s->int_sts |= val & SW_INT;
1006         break;
1007     case CSR_FIFO_INT:
1008         DPRINTF("FIFO INT levels %08x\n", val);
1009         s->fifo_int = val;
1010         break;
1011     case CSR_RX_CFG:
1012         if (val & 0x8000) {
1013             /* RX_DUMP */
1014             s->rx_fifo_used = 0;
1015             s->rx_status_fifo_used = 0;
1016             s->rx_packet_size_tail = s->rx_packet_size_head;
1017             s->rx_packet_size[s->rx_packet_size_head] = 0;
1018         }
1019         s->rx_cfg = val & 0xcfff1ff0;
1020         break;
1021     case CSR_TX_CFG:
1022         if (val & 0x8000) {
1023             s->tx_status_fifo_used = 0;
1024         }
1025         if (val & 0x4000) {
1026             s->txp->state = TX_IDLE;
1027             s->txp->fifo_used = 0;
1028             s->txp->cmd_a = 0xffffffff;
1029         }
1030         s->tx_cfg = val & 6;
1031         break;
1032     case CSR_HW_CFG:
1033         if (val & 1) {
1034             /* SRST */
1035             lan9118_reset(&s->busdev.qdev);
1036         } else {
1037             s->hw_cfg = val & 0x003f300;
1038         }
1039         break;
1040     case CSR_RX_DP_CTRL:
1041         if (val & 0x80000000) {
1042             /* Skip forward to next packet.  */
1043             s->rxp_pad = 0;
1044             s->rxp_offset = 0;
1045             if (s->rxp_size == 0) {
1046                 /* Pop a word to start the next packet.  */
1047                 rx_fifo_pop(s);
1048                 s->rxp_pad = 0;
1049                 s->rxp_offset = 0;
1050             }
1051             s->rx_fifo_head += s->rxp_size;
1052             if (s->rx_fifo_head >= s->rx_fifo_size) {
1053                 s->rx_fifo_head -= s->rx_fifo_size;
1054             }
1055         }
1056         break;
1057     case CSR_PMT_CTRL:
1058         if (val & 0x400) {
1059             phy_reset(s);
1060         }
1061         s->pmt_ctrl &= ~0x34e;
1062         s->pmt_ctrl |= (val & 0x34e);
1063         break;
1064     case CSR_GPIO_CFG:
1065         /* Probably just enabling LEDs.  */
1066         s->gpio_cfg = val & 0x7777071f;
1067         break;
1068     case CSR_GPT_CFG:
1069         if ((s->gpt_cfg ^ val) & GPT_TIMER_EN) {
1070             if (val & GPT_TIMER_EN) {
1071                 ptimer_set_count(s->timer, val & 0xffff);
1072                 ptimer_run(s->timer, 0);
1073             } else {
1074                 ptimer_stop(s->timer);
1075                 ptimer_set_count(s->timer, 0xffff);
1076             }
1077         }
1078         s->gpt_cfg = val & (GPT_TIMER_EN | 0xffff);
1079         break;
1080     case CSR_WORD_SWAP:
1081         /* Ignored because we're in 32-bit mode.  */
1082         s->word_swap = val;
1083         break;
1084     case CSR_MAC_CSR_CMD:
1085         s->mac_cmd = val & 0x4000000f;
1086         if (val & 0x80000000) {
1087             if (val & 0x40000000) {
1088                 s->mac_data = do_mac_read(s, val & 0xf);
1089                 DPRINTF("MAC read %d = 0x%08x\n", val & 0xf, s->mac_data);
1090             } else {
1091                 DPRINTF("MAC write %d = 0x%08x\n", val & 0xf, s->mac_data);
1092                 do_mac_write(s, val & 0xf, s->mac_data);
1093             }
1094         }
1095         break;
1096     case CSR_MAC_CSR_DATA:
1097         s->mac_data = val;
1098         break;
1099     case CSR_AFC_CFG:
1100         s->afc_cfg = val & 0x00ffffff;
1101         break;
1102     case CSR_E2P_CMD:
1103         lan9118_eeprom_cmd(s, (val >> 28) & 7, val & 0x7f);
1104         break;
1105     case CSR_E2P_DATA:
1106         s->e2p_data = val & 0xff;
1107         break;
1108
1109     default:
1110         hw_error("lan9118_write: Bad reg 0x%x = %x\n", (int)offset, (int)val);
1111         break;
1112     }
1113     lan9118_update(s);
1114 }
1115
1116 static uint64_t lan9118_readl(void *opaque, target_phys_addr_t offset,
1117                               unsigned size)
1118 {
1119     lan9118_state *s = (lan9118_state *)opaque;
1120
1121     //DPRINTF("Read reg 0x%02x\n", (int)offset);
1122     if (offset < 0x20) {
1123         /* RX FIFO */
1124         return rx_fifo_pop(s);
1125     }
1126     switch (offset) {
1127     case 0x40:
1128         return rx_status_fifo_pop(s);
1129     case 0x44:
1130         return s->rx_status_fifo[s->tx_status_fifo_head];
1131     case 0x48:
1132         return tx_status_fifo_pop(s);
1133     case 0x4c:
1134         return s->tx_status_fifo[s->tx_status_fifo_head];
1135     case CSR_ID_REV:
1136         return 0x01180001;
1137     case CSR_IRQ_CFG:
1138         return s->irq_cfg;
1139     case CSR_INT_STS:
1140         return s->int_sts;
1141     case CSR_INT_EN:
1142         return s->int_en;
1143     case CSR_BYTE_TEST:
1144         return 0x87654321;
1145     case CSR_FIFO_INT:
1146         return s->fifo_int;
1147     case CSR_RX_CFG:
1148         return s->rx_cfg;
1149     case CSR_TX_CFG:
1150         return s->tx_cfg;
1151     case CSR_HW_CFG:
1152         return s->hw_cfg | 0x4;
1153     case CSR_RX_DP_CTRL:
1154         return 0;
1155     case CSR_RX_FIFO_INF:
1156         return (s->rx_status_fifo_used << 16) | (s->rx_fifo_used << 2);
1157     case CSR_TX_FIFO_INF:
1158         return (s->tx_status_fifo_used << 16)
1159                | (s->tx_fifo_size - s->txp->fifo_used);
1160     case CSR_PMT_CTRL:
1161         return s->pmt_ctrl;
1162     case CSR_GPIO_CFG:
1163         return s->gpio_cfg;
1164     case CSR_GPT_CFG:
1165         return s->gpt_cfg;
1166     case CSR_GPT_CNT:
1167         return ptimer_get_count(s->timer);
1168     case CSR_WORD_SWAP:
1169         return s->word_swap;
1170     case CSR_FREE_RUN:
1171         return (qemu_get_clock_ns(vm_clock) / 40) - s->free_timer_start;
1172     case CSR_RX_DROP:
1173         /* TODO: Implement dropped frames counter.  */
1174         return 0;
1175     case CSR_MAC_CSR_CMD:
1176         return s->mac_cmd;
1177     case CSR_MAC_CSR_DATA:
1178         return s->mac_data;
1179     case CSR_AFC_CFG:
1180         return s->afc_cfg;
1181     case CSR_E2P_CMD:
1182         return s->e2p_cmd;
1183     case CSR_E2P_DATA:
1184         return s->e2p_data;
1185     }
1186     hw_error("lan9118_read: Bad reg 0x%x\n", (int)offset);
1187     return 0;
1188 }
1189
1190 static const MemoryRegionOps lan9118_mem_ops = {
1191     .read = lan9118_readl,
1192     .write = lan9118_writel,
1193     .endianness = DEVICE_NATIVE_ENDIAN,
1194 };
1195
1196 static void lan9118_cleanup(VLANClientState *nc)
1197 {
1198     lan9118_state *s = DO_UPCAST(NICState, nc, nc)->opaque;
1199
1200     s->nic = NULL;
1201 }
1202
1203 static NetClientInfo net_lan9118_info = {
1204     .type = NET_CLIENT_TYPE_NIC,
1205     .size = sizeof(NICState),
1206     .can_receive = lan9118_can_receive,
1207     .receive = lan9118_receive,
1208     .cleanup = lan9118_cleanup,
1209     .link_status_changed = lan9118_set_link,
1210 };
1211
1212 static int lan9118_init1(SysBusDevice *dev)
1213 {
1214     lan9118_state *s = FROM_SYSBUS(lan9118_state, dev);
1215     QEMUBH *bh;
1216     int i;
1217
1218     memory_region_init_io(&s->mmio, &lan9118_mem_ops, s, "lan9118-mmio", 0x100);
1219     sysbus_init_mmio(dev, &s->mmio);
1220     sysbus_init_irq(dev, &s->irq);
1221     qemu_macaddr_default_if_unset(&s->conf.macaddr);
1222
1223     s->nic = qemu_new_nic(&net_lan9118_info, &s->conf,
1224                           object_get_typename(OBJECT(dev)), dev->qdev.id, s);
1225     qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
1226     s->eeprom[0] = 0xa5;
1227     for (i = 0; i < 6; i++) {
1228         s->eeprom[i + 1] = s->conf.macaddr.a[i];
1229     }
1230     s->pmt_ctrl = 1;
1231     s->txp = &s->tx_packet;
1232
1233     bh = qemu_bh_new(lan9118_tick, s);
1234     s->timer = ptimer_init(bh);
1235     ptimer_set_freq(s->timer, 10000);
1236     ptimer_set_limit(s->timer, 0xffff, 1);
1237
1238     return 0;
1239 }
1240
1241 static Property lan9118_properties[] = {
1242     DEFINE_NIC_PROPERTIES(lan9118_state, conf),
1243     DEFINE_PROP_END_OF_LIST(),
1244 };
1245
1246 static void lan9118_class_init(ObjectClass *klass, void *data)
1247 {
1248     DeviceClass *dc = DEVICE_CLASS(klass);
1249     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
1250
1251     k->init = lan9118_init1;
1252     dc->reset = lan9118_reset;
1253     dc->props = lan9118_properties;
1254     dc->vmsd = &vmstate_lan9118;
1255 }
1256
1257 static TypeInfo lan9118_info = {
1258     .name          = "lan9118",
1259     .parent        = TYPE_SYS_BUS_DEVICE,
1260     .instance_size = sizeof(lan9118_state),
1261     .class_init    = lan9118_class_init,
1262 };
1263
1264 static void lan9118_register_devices(void)
1265 {
1266     type_register_static(&lan9118_info);
1267 }
1268
1269 /* Legacy helper function.  Should go away when machine config files are
1270    implemented.  */
1271 void lan9118_init(NICInfo *nd, uint32_t base, qemu_irq irq)
1272 {
1273     DeviceState *dev;
1274     SysBusDevice *s;
1275
1276     qemu_check_nic_model(nd, "lan9118");
1277     dev = qdev_create(NULL, "lan9118");
1278     qdev_set_nic_properties(dev, nd);
1279     qdev_init_nofail(dev);
1280     s = sysbus_from_qdev(dev);
1281     sysbus_mmio_map(s, 0, base);
1282     sysbus_connect_irq(s, 0, irq);
1283 }
1284
1285 device_init(lan9118_register_devices)