1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #include "rge.h" 27 28 #define REG32(rgep, reg) ((uint32_t *)(rgep->io_regs+(reg))) 29 #define REG16(rgep, reg) ((uint16_t *)(rgep->io_regs+(reg))) 30 #define REG8(rgep, reg) ((uint8_t *)(rgep->io_regs+(reg))) 31 #define PIO_ADDR(rgep, offset) ((void *)(rgep->io_regs+(offset))) 32 33 /* 34 * Patchable globals: 35 * 36 * rge_autorecover 37 * Enables/disables automatic recovery after fault detection 38 */ 39 static uint32_t rge_autorecover = 1; 40 41 /* 42 * globals: 43 */ 44 #define RGE_DBG RGE_DBG_REGS /* debug flag for this code */ 45 static uint32_t rge_watchdog_count = 1 << 16; 46 47 /* 48 * Operating register get/set access routines 49 */ 50 51 static uint32_t rge_reg_get32(rge_t *rgep, uintptr_t regno); 52 #pragma inline(rge_reg_get32) 53 54 static uint32_t 55 rge_reg_get32(rge_t *rgep, uintptr_t regno) 56 { 57 RGE_TRACE(("rge_reg_get32($%p, 0x%lx)", 58 (void *)rgep, regno)); 59 60 return (ddi_get32(rgep->io_handle, REG32(rgep, regno))); 61 } 62 63 static void rge_reg_put32(rge_t *rgep, uintptr_t regno, uint32_t data); 64 #pragma inline(rge_reg_put32) 65 66 static void 67 rge_reg_put32(rge_t *rgep, uintptr_t regno, uint32_t data) 68 { 69 RGE_TRACE(("rge_reg_put32($%p, 0x%lx, 0x%x)", 70 (void *)rgep, regno, data)); 71 72 ddi_put32(rgep->io_handle, REG32(rgep, regno), data); 73 } 74 75 static void rge_reg_set32(rge_t *rgep, uintptr_t regno, uint32_t bits); 76 #pragma inline(rge_reg_set32) 77 78 static void 79 rge_reg_set32(rge_t *rgep, uintptr_t regno, uint32_t bits) 80 { 81 uint32_t regval; 82 83 RGE_TRACE(("rge_reg_set32($%p, 0x%lx, 0x%x)", 84 (void *)rgep, regno, bits)); 85 86 regval = rge_reg_get32(rgep, regno); 87 regval |= bits; 88 rge_reg_put32(rgep, regno, regval); 89 } 90 91 static void rge_reg_clr32(rge_t *rgep, uintptr_t regno, uint32_t bits); 92 #pragma inline(rge_reg_clr32) 93 94 static void 95 rge_reg_clr32(rge_t *rgep, uintptr_t regno, uint32_t bits) 96 { 97 uint32_t regval; 98 99 RGE_TRACE(("rge_reg_clr32($%p, 0x%lx, 0x%x)", 100 (void *)rgep, regno, bits)); 101 102 regval = rge_reg_get32(rgep, regno); 103 regval &= ~bits; 104 rge_reg_put32(rgep, regno, regval); 105 } 106 107 static uint16_t rge_reg_get16(rge_t *rgep, uintptr_t regno); 108 #pragma inline(rge_reg_get16) 109 110 static uint16_t 111 rge_reg_get16(rge_t *rgep, uintptr_t regno) 112 { 113 RGE_TRACE(("rge_reg_get16($%p, 0x%lx)", 114 (void *)rgep, regno)); 115 116 return (ddi_get16(rgep->io_handle, REG16(rgep, regno))); 117 } 118 119 static void rge_reg_put16(rge_t *rgep, uintptr_t regno, uint16_t data); 120 #pragma inline(rge_reg_put16) 121 122 static void 123 rge_reg_put16(rge_t *rgep, uintptr_t regno, uint16_t data) 124 { 125 RGE_TRACE(("rge_reg_put16($%p, 0x%lx, 0x%x)", 126 (void *)rgep, regno, data)); 127 128 ddi_put16(rgep->io_handle, REG16(rgep, regno), data); 129 } 130 131 static uint8_t rge_reg_get8(rge_t *rgep, uintptr_t regno); 132 #pragma inline(rge_reg_get8) 133 134 static uint8_t 135 rge_reg_get8(rge_t *rgep, uintptr_t regno) 136 { 137 RGE_TRACE(("rge_reg_get8($%p, 0x%lx)", 138 (void *)rgep, regno)); 139 140 return (ddi_get8(rgep->io_handle, REG8(rgep, regno))); 141 } 142 143 static void rge_reg_put8(rge_t *rgep, uintptr_t regno, uint8_t data); 144 #pragma inline(rge_reg_put8) 145 146 static void 147 rge_reg_put8(rge_t *rgep, uintptr_t regno, uint8_t data) 148 { 149 RGE_TRACE(("rge_reg_put8($%p, 0x%lx, 0x%x)", 150 (void *)rgep, regno, data)); 151 152 ddi_put8(rgep->io_handle, REG8(rgep, regno), data); 153 } 154 155 static void rge_reg_set8(rge_t *rgep, uintptr_t regno, uint8_t bits); 156 #pragma inline(rge_reg_set8) 157 158 static void 159 rge_reg_set8(rge_t *rgep, uintptr_t regno, uint8_t bits) 160 { 161 uint8_t regval; 162 163 RGE_TRACE(("rge_reg_set8($%p, 0x%lx, 0x%x)", 164 (void *)rgep, regno, bits)); 165 166 regval = rge_reg_get8(rgep, regno); 167 regval |= bits; 168 rge_reg_put8(rgep, regno, regval); 169 } 170 171 static void rge_reg_clr8(rge_t *rgep, uintptr_t regno, uint8_t bits); 172 #pragma inline(rge_reg_clr8) 173 174 static void 175 rge_reg_clr8(rge_t *rgep, uintptr_t regno, uint8_t bits) 176 { 177 uint8_t regval; 178 179 RGE_TRACE(("rge_reg_clr8($%p, 0x%lx, 0x%x)", 180 (void *)rgep, regno, bits)); 181 182 regval = rge_reg_get8(rgep, regno); 183 regval &= ~bits; 184 rge_reg_put8(rgep, regno, regval); 185 } 186 187 uint16_t rge_mii_get16(rge_t *rgep, uintptr_t mii); 188 #pragma no_inline(rge_mii_get16) 189 190 uint16_t 191 rge_mii_get16(rge_t *rgep, uintptr_t mii) 192 { 193 uint32_t regval; 194 uint32_t val32; 195 uint32_t i; 196 197 regval = (mii & PHY_REG_MASK) << PHY_REG_SHIFT; 198 rge_reg_put32(rgep, PHY_ACCESS_REG, regval); 199 200 /* 201 * Waiting for PHY reading OK 202 */ 203 for (i = 0; i < PHY_RESET_LOOP; i++) { 204 drv_usecwait(1000); 205 val32 = rge_reg_get32(rgep, PHY_ACCESS_REG); 206 if (val32 & PHY_ACCESS_WR_FLAG) 207 return ((uint16_t)(val32 & 0xffff)); 208 } 209 210 RGE_REPORT((rgep, "rge_mii_get16(0x%x) fail, val = %x", mii, val32)); 211 return ((uint16_t)~0u); 212 } 213 214 void rge_mii_put16(rge_t *rgep, uintptr_t mii, uint16_t data); 215 #pragma no_inline(rge_mii_put16) 216 217 void 218 rge_mii_put16(rge_t *rgep, uintptr_t mii, uint16_t data) 219 { 220 uint32_t regval; 221 uint32_t val32; 222 uint32_t i; 223 224 regval = (mii & PHY_REG_MASK) << PHY_REG_SHIFT; 225 regval |= data & PHY_DATA_MASK; 226 regval |= PHY_ACCESS_WR_FLAG; 227 rge_reg_put32(rgep, PHY_ACCESS_REG, regval); 228 229 /* 230 * Waiting for PHY writing OK 231 */ 232 for (i = 0; i < PHY_RESET_LOOP; i++) { 233 drv_usecwait(1000); 234 val32 = rge_reg_get32(rgep, PHY_ACCESS_REG); 235 if (!(val32 & PHY_ACCESS_WR_FLAG)) 236 return; 237 } 238 RGE_REPORT((rgep, "rge_mii_put16(0x%lx, 0x%x) fail", 239 mii, data)); 240 } 241 242 void rge_ephy_put16(rge_t *rgep, uintptr_t emii, uint16_t data); 243 #pragma no_inline(rge_ephy_put16) 244 245 void 246 rge_ephy_put16(rge_t *rgep, uintptr_t emii, uint16_t data) 247 { 248 uint32_t regval; 249 uint32_t val32; 250 uint32_t i; 251 252 regval = (emii & EPHY_REG_MASK) << EPHY_REG_SHIFT; 253 regval |= data & EPHY_DATA_MASK; 254 regval |= EPHY_ACCESS_WR_FLAG; 255 rge_reg_put32(rgep, EPHY_ACCESS_REG, regval); 256 257 /* 258 * Waiting for PHY writing OK 259 */ 260 for (i = 0; i < PHY_RESET_LOOP; i++) { 261 drv_usecwait(1000); 262 val32 = rge_reg_get32(rgep, EPHY_ACCESS_REG); 263 if (!(val32 & EPHY_ACCESS_WR_FLAG)) 264 return; 265 } 266 RGE_REPORT((rgep, "rge_ephy_put16(0x%lx, 0x%x) fail", 267 emii, data)); 268 } 269 270 /* 271 * Atomically shift a 32-bit word left, returning 272 * the value it had *before* the shift was applied 273 */ 274 static uint32_t rge_atomic_shl32(uint32_t *sp, uint_t count); 275 #pragma inline(rge_mii_put16) 276 277 static uint32_t 278 rge_atomic_shl32(uint32_t *sp, uint_t count) 279 { 280 uint32_t oldval; 281 uint32_t newval; 282 283 /* ATOMICALLY */ 284 do { 285 oldval = *sp; 286 newval = oldval << count; 287 } while (cas32(sp, oldval, newval) != oldval); 288 289 return (oldval); 290 } 291 292 /* 293 * PHY operation routines 294 */ 295 #if RGE_DEBUGGING 296 297 void 298 rge_phydump(rge_t *rgep) 299 { 300 uint16_t regs[32]; 301 int i; 302 303 ASSERT(mutex_owned(rgep->genlock)); 304 305 for (i = 0; i < 32; ++i) { 306 regs[i] = rge_mii_get16(rgep, i); 307 } 308 309 for (i = 0; i < 32; i += 8) 310 RGE_DEBUG(("rge_phydump: " 311 "0x%04x %04x %04x %04x %04x %04x %04x %04x", 312 regs[i+0], regs[i+1], regs[i+2], regs[i+3], 313 regs[i+4], regs[i+5], regs[i+6], regs[i+7])); 314 } 315 316 #endif /* RGE_DEBUGGING */ 317 318 static void 319 rge_phy_check(rge_t *rgep) 320 { 321 uint16_t gig_ctl; 322 323 if (rgep->param_link_up == LINK_STATE_DOWN) { 324 /* 325 * RTL8169S/8110S PHY has the "PCS bug". Need reset PHY 326 * every 15 seconds whin link down & advertise is 1000. 327 */ 328 if (rgep->chipid.phy_ver == PHY_VER_S) { 329 gig_ctl = rge_mii_get16(rgep, MII_1000BASE_T_CONTROL); 330 if (gig_ctl & MII_1000BT_CTL_ADV_FDX) { 331 rgep->link_down_count++; 332 if (rgep->link_down_count > 15) { 333 (void) rge_phy_reset(rgep); 334 rgep->stats.phy_reset++; 335 rgep->link_down_count = 0; 336 } 337 } 338 } 339 } else { 340 rgep->link_down_count = 0; 341 } 342 } 343 344 /* 345 * Basic low-level function to reset the PHY. 346 * Doesn't incorporate any special-case workarounds. 347 * 348 * Returns TRUE on success, FALSE if the RESET bit doesn't clear 349 */ 350 boolean_t 351 rge_phy_reset(rge_t *rgep) 352 { 353 uint16_t control; 354 uint_t count; 355 356 /* 357 * Set the PHY RESET bit, then wait up to 5 ms for it to self-clear 358 */ 359 control = rge_mii_get16(rgep, MII_CONTROL); 360 rge_mii_put16(rgep, MII_CONTROL, control | MII_CONTROL_RESET); 361 for (count = 0; count < 5; count++) { 362 drv_usecwait(100); 363 control = rge_mii_get16(rgep, MII_CONTROL); 364 if (BIC(control, MII_CONTROL_RESET)) 365 return (B_TRUE); 366 } 367 368 RGE_REPORT((rgep, "rge_phy_reset: FAILED, control now 0x%x", control)); 369 return (B_FALSE); 370 } 371 372 /* 373 * Synchronise the PHY's speed/duplex/autonegotiation capabilities 374 * and advertisements with the required settings as specified by the various 375 * param_* variables that can be poked via the NDD interface. 376 * 377 * We always reset the PHY and reprogram *all* the relevant registers, 378 * not just those changed. This should cause the link to go down, and then 379 * back up again once the link is stable and autonegotiation (if enabled) 380 * is complete. We should get a link state change interrupt somewhere along 381 * the way ... 382 * 383 * NOTE: <genlock> must already be held by the caller 384 */ 385 void 386 rge_phy_update(rge_t *rgep) 387 { 388 boolean_t adv_autoneg; 389 boolean_t adv_pause; 390 boolean_t adv_asym_pause; 391 boolean_t adv_1000fdx; 392 boolean_t adv_1000hdx; 393 boolean_t adv_100fdx; 394 boolean_t adv_100hdx; 395 boolean_t adv_10fdx; 396 boolean_t adv_10hdx; 397 398 uint16_t control; 399 uint16_t gigctrl; 400 uint16_t anar; 401 402 ASSERT(mutex_owned(rgep->genlock)); 403 404 RGE_DEBUG(("rge_phy_update: autoneg %d " 405 "pause %d asym_pause %d " 406 "1000fdx %d 1000hdx %d " 407 "100fdx %d 100hdx %d " 408 "10fdx %d 10hdx %d ", 409 rgep->param_adv_autoneg, 410 rgep->param_adv_pause, rgep->param_adv_asym_pause, 411 rgep->param_adv_1000fdx, rgep->param_adv_1000hdx, 412 rgep->param_adv_100fdx, rgep->param_adv_100hdx, 413 rgep->param_adv_10fdx, rgep->param_adv_10hdx)); 414 415 control = gigctrl = anar = 0; 416 417 /* 418 * PHY settings are normally based on the param_* variables, 419 * but if any loopback mode is in effect, that takes precedence. 420 * 421 * RGE supports MAC-internal loopback, PHY-internal loopback, 422 * and External loopback at a variety of speeds (with a special 423 * cable). In all cases, autoneg is turned OFF, full-duplex 424 * is turned ON, and the speed/mastership is forced. 425 */ 426 switch (rgep->param_loop_mode) { 427 case RGE_LOOP_NONE: 428 default: 429 adv_autoneg = rgep->param_adv_autoneg; 430 adv_pause = rgep->param_adv_pause; 431 adv_asym_pause = rgep->param_adv_asym_pause; 432 adv_1000fdx = rgep->param_adv_1000fdx; 433 adv_1000hdx = rgep->param_adv_1000hdx; 434 adv_100fdx = rgep->param_adv_100fdx; 435 adv_100hdx = rgep->param_adv_100hdx; 436 adv_10fdx = rgep->param_adv_10fdx; 437 adv_10hdx = rgep->param_adv_10hdx; 438 break; 439 440 case RGE_LOOP_INTERNAL_PHY: 441 case RGE_LOOP_INTERNAL_MAC: 442 adv_autoneg = adv_pause = adv_asym_pause = B_FALSE; 443 adv_1000fdx = adv_100fdx = adv_10fdx = B_FALSE; 444 adv_1000hdx = adv_100hdx = adv_10hdx = B_FALSE; 445 rgep->param_link_duplex = LINK_DUPLEX_FULL; 446 447 switch (rgep->param_loop_mode) { 448 case RGE_LOOP_INTERNAL_PHY: 449 if (rgep->chipid.mac_ver != MAC_VER_8101E) { 450 rgep->param_link_speed = 1000; 451 adv_1000fdx = B_TRUE; 452 } else { 453 rgep->param_link_speed = 100; 454 adv_100fdx = B_TRUE; 455 } 456 control = MII_CONTROL_LOOPBACK; 457 break; 458 459 case RGE_LOOP_INTERNAL_MAC: 460 if (rgep->chipid.mac_ver != MAC_VER_8101E) { 461 rgep->param_link_speed = 1000; 462 adv_1000fdx = B_TRUE; 463 } else { 464 rgep->param_link_speed = 100; 465 adv_100fdx = B_TRUE; 466 break; 467 } 468 } 469 470 RGE_DEBUG(("rge_phy_update: autoneg %d " 471 "pause %d asym_pause %d " 472 "1000fdx %d 1000hdx %d " 473 "100fdx %d 100hdx %d " 474 "10fdx %d 10hdx %d ", 475 adv_autoneg, 476 adv_pause, adv_asym_pause, 477 adv_1000fdx, adv_1000hdx, 478 adv_100fdx, adv_100hdx, 479 adv_10fdx, adv_10hdx)); 480 481 /* 482 * We should have at least one technology capability set; 483 * if not, we select a default of 1000Mb/s full-duplex 484 */ 485 if (!adv_1000fdx && !adv_100fdx && !adv_10fdx && 486 !adv_1000hdx && !adv_100hdx && !adv_10hdx) { 487 if (rgep->chipid.mac_ver != MAC_VER_8101E) 488 adv_1000fdx = B_TRUE; 489 } else { 490 adv_1000fdx = B_FALSE; 491 adv_100fdx = B_TRUE; 492 } 493 } 494 495 /* 496 * Now transform the adv_* variables into the proper settings 497 * of the PHY registers ... 498 * 499 * If autonegotiation is (now) enabled, we want to trigger 500 * a new autonegotiation cycle once the PHY has been 501 * programmed with the capabilities to be advertised. 502 * 503 * RTL8169/8110 doesn't support 1000Mb/s half-duplex. 504 */ 505 if (adv_autoneg) 506 control |= MII_CONTROL_ANE|MII_CONTROL_RSAN; 507 508 if (adv_1000fdx) 509 control |= MII_CONTROL_1GB|MII_CONTROL_FDUPLEX; 510 else if (adv_1000hdx) 511 control |= MII_CONTROL_1GB; 512 else if (adv_100fdx) 513 control |= MII_CONTROL_100MB|MII_CONTROL_FDUPLEX; 514 else if (adv_100hdx) 515 control |= MII_CONTROL_100MB; 516 else if (adv_10fdx) 517 control |= MII_CONTROL_FDUPLEX; 518 else if (adv_10hdx) 519 control |= 0; 520 else 521 { _NOTE(EMPTY); } /* Can't get here anyway ... */ 522 523 if (adv_1000fdx) { 524 gigctrl |= MII_1000BT_CTL_ADV_FDX; 525 /* 526 * Chipset limitation: need set other capabilities to true 527 */ 528 if (rgep->chipid.is_pcie) 529 adv_1000hdx = B_TRUE; 530 adv_100fdx = B_TRUE; 531 adv_100hdx = B_TRUE; 532 adv_10fdx = B_TRUE; 533 adv_10hdx = B_TRUE; 534 } 535 536 if (adv_1000hdx) 537 gigctrl |= MII_1000BT_CTL_ADV_HDX; 538 539 if (adv_100fdx) 540 anar |= MII_ABILITY_100BASE_TX_FD; 541 if (adv_100hdx) 542 anar |= MII_ABILITY_100BASE_TX; 543 if (adv_10fdx) 544 anar |= MII_ABILITY_10BASE_T_FD; 545 if (adv_10hdx) 546 anar |= MII_ABILITY_10BASE_T; 547 548 if (adv_pause) 549 anar |= MII_ABILITY_PAUSE; 550 if (adv_asym_pause) 551 anar |= MII_ABILITY_ASMPAUSE; 552 553 /* 554 * Munge in any other fixed bits we require ... 555 */ 556 anar |= MII_AN_SELECTOR_8023; 557 558 /* 559 * Restart the PHY and write the new values. Note the 560 * time, so that we can say whether subsequent link state 561 * changes can be attributed to our reprogramming the PHY 562 */ 563 rge_phy_init(rgep); 564 if (rgep->chipid.mac_ver == MAC_VER_8168B_B || 565 rgep->chipid.mac_ver == MAC_VER_8168B_C) { 566 /* power up PHY for RTL8168B chipset */ 567 rge_mii_put16(rgep, PHY_1F_REG, 0x0000); 568 rge_mii_put16(rgep, PHY_0E_REG, 0x0000); 569 rge_mii_put16(rgep, PHY_1F_REG, 0x0000); 570 } 571 rge_mii_put16(rgep, MII_AN_ADVERT, anar); 572 rge_mii_put16(rgep, MII_1000BASE_T_CONTROL, gigctrl); 573 rge_mii_put16(rgep, MII_CONTROL, control); 574 575 RGE_DEBUG(("rge_phy_update: anar <- 0x%x", anar)); 576 RGE_DEBUG(("rge_phy_update: control <- 0x%x", control)); 577 RGE_DEBUG(("rge_phy_update: gigctrl <- 0x%x", gigctrl)); 578 } 579 580 void rge_phy_init(rge_t *rgep); 581 #pragma no_inline(rge_phy_init) 582 583 void 584 rge_phy_init(rge_t *rgep) 585 { 586 rgep->phy_mii_addr = 1; 587 588 /* 589 * Below phy config steps are copied from the Programming Guide 590 * (there's no detail comments for these steps.) 591 */ 592 switch (rgep->chipid.mac_ver) { 593 case MAC_VER_8169S_D: 594 case MAC_VER_8169S_E : 595 rge_mii_put16(rgep, PHY_1F_REG, 0x0001); 596 rge_mii_put16(rgep, PHY_15_REG, 0x1000); 597 rge_mii_put16(rgep, PHY_18_REG, 0x65c7); 598 rge_mii_put16(rgep, PHY_ANAR_REG, 0x0000); 599 rge_mii_put16(rgep, PHY_ID_REG_2, 0x00a1); 600 rge_mii_put16(rgep, PHY_ID_REG_1, 0x0008); 601 rge_mii_put16(rgep, PHY_BMSR_REG, 0x1020); 602 rge_mii_put16(rgep, PHY_BMCR_REG, 0x1000); 603 rge_mii_put16(rgep, PHY_ANAR_REG, 0x0800); 604 rge_mii_put16(rgep, PHY_ANAR_REG, 0x0000); 605 rge_mii_put16(rgep, PHY_ANAR_REG, 0x7000); 606 rge_mii_put16(rgep, PHY_ID_REG_2, 0xff41); 607 rge_mii_put16(rgep, PHY_ID_REG_1, 0xde60); 608 rge_mii_put16(rgep, PHY_BMSR_REG, 0x0140); 609 rge_mii_put16(rgep, PHY_BMCR_REG, 0x0077); 610 rge_mii_put16(rgep, PHY_ANAR_REG, 0x7800); 611 rge_mii_put16(rgep, PHY_ANAR_REG, 0x7000); 612 rge_mii_put16(rgep, PHY_ANAR_REG, 0xa000); 613 rge_mii_put16(rgep, PHY_ID_REG_2, 0xdf01); 614 rge_mii_put16(rgep, PHY_ID_REG_1, 0xdf20); 615 rge_mii_put16(rgep, PHY_BMSR_REG, 0xff95); 616 rge_mii_put16(rgep, PHY_BMCR_REG, 0xfa00); 617 rge_mii_put16(rgep, PHY_ANAR_REG, 0xa800); 618 rge_mii_put16(rgep, PHY_ANAR_REG, 0xa000); 619 rge_mii_put16(rgep, PHY_ANAR_REG, 0xb000); 620 rge_mii_put16(rgep, PHY_ID_REG_2, 0xff41); 621 rge_mii_put16(rgep, PHY_ID_REG_1, 0xde20); 622 rge_mii_put16(rgep, PHY_BMSR_REG, 0x0140); 623 rge_mii_put16(rgep, PHY_BMCR_REG, 0x00bb); 624 rge_mii_put16(rgep, PHY_ANAR_REG, 0xb800); 625 rge_mii_put16(rgep, PHY_ANAR_REG, 0xb000); 626 rge_mii_put16(rgep, PHY_ANAR_REG, 0xf000); 627 rge_mii_put16(rgep, PHY_ID_REG_2, 0xdf01); 628 rge_mii_put16(rgep, PHY_ID_REG_1, 0xdf20); 629 rge_mii_put16(rgep, PHY_BMSR_REG, 0xff95); 630 rge_mii_put16(rgep, PHY_BMCR_REG, 0xbf00); 631 rge_mii_put16(rgep, PHY_ANAR_REG, 0xf800); 632 rge_mii_put16(rgep, PHY_ANAR_REG, 0xf000); 633 rge_mii_put16(rgep, PHY_ANAR_REG, 0x0000); 634 rge_mii_put16(rgep, PHY_1F_REG, 0x0000); 635 rge_mii_put16(rgep, PHY_0B_REG, 0x0000); 636 break; 637 638 case MAC_VER_8169SB: 639 rge_mii_put16(rgep, PHY_1F_REG, 0x0001); 640 rge_mii_put16(rgep, PHY_1B_REG, 0xD41E); 641 rge_mii_put16(rgep, PHY_0E_REG, 0x7bff); 642 rge_mii_put16(rgep, PHY_GBCR_REG, GBCR_DEFAULT); 643 rge_mii_put16(rgep, PHY_1F_REG, 0x0002); 644 rge_mii_put16(rgep, PHY_BMSR_REG, 0x90D0); 645 rge_mii_put16(rgep, PHY_1F_REG, 0x0000); 646 break; 647 648 case MAC_VER_8169SC: 649 rge_mii_put16(rgep, PHY_1F_REG, 0x0001); 650 rge_mii_put16(rgep, PHY_ANER_REG, 0x0078); 651 rge_mii_put16(rgep, PHY_ANNPRR_REG, 0x05dc); 652 rge_mii_put16(rgep, PHY_GBCR_REG, 0x2672); 653 rge_mii_put16(rgep, PHY_GBSR_REG, 0x6a14); 654 rge_mii_put16(rgep, PHY_0B_REG, 0x7cb0); 655 rge_mii_put16(rgep, PHY_0C_REG, 0xdb80); 656 rge_mii_put16(rgep, PHY_1B_REG, 0xc414); 657 rge_mii_put16(rgep, PHY_1C_REG, 0xef03); 658 rge_mii_put16(rgep, PHY_1D_REG, 0x3dc8); 659 rge_mii_put16(rgep, PHY_1F_REG, 0x0003); 660 rge_mii_put16(rgep, PHY_13_REG, 0x0600); 661 rge_mii_put16(rgep, PHY_1F_REG, 0x0000); 662 break; 663 664 case MAC_VER_8168: 665 rge_mii_put16(rgep, PHY_1F_REG, 0x0001); 666 rge_mii_put16(rgep, PHY_ANER_REG, 0x00aa); 667 rge_mii_put16(rgep, PHY_ANNPTR_REG, 0x3173); 668 rge_mii_put16(rgep, PHY_ANNPRR_REG, 0x08fc); 669 rge_mii_put16(rgep, PHY_GBCR_REG, 0xe2d0); 670 rge_mii_put16(rgep, PHY_0B_REG, 0x941a); 671 rge_mii_put16(rgep, PHY_18_REG, 0x65fe); 672 rge_mii_put16(rgep, PHY_1C_REG, 0x1e02); 673 rge_mii_put16(rgep, PHY_1F_REG, 0x0002); 674 rge_mii_put16(rgep, PHY_ANNPTR_REG, 0x103e); 675 rge_mii_put16(rgep, PHY_1F_REG, 0x0000); 676 break; 677 678 case MAC_VER_8168B_B: 679 case MAC_VER_8168B_C: 680 rge_mii_put16(rgep, PHY_1F_REG, 0x0001); 681 rge_mii_put16(rgep, PHY_0B_REG, 0x94b0); 682 rge_mii_put16(rgep, PHY_1B_REG, 0xc416); 683 rge_mii_put16(rgep, PHY_1F_REG, 0x0003); 684 rge_mii_put16(rgep, PHY_12_REG, 0x6096); 685 rge_mii_put16(rgep, PHY_1F_REG, 0x0000); 686 break; 687 } 688 } 689 690 void rge_chip_ident(rge_t *rgep); 691 #pragma no_inline(rge_chip_ident) 692 693 void 694 rge_chip_ident(rge_t *rgep) 695 { 696 chip_id_t *chip = &rgep->chipid; 697 uint32_t val32; 698 uint16_t val16; 699 700 /* 701 * Read and record MAC version 702 */ 703 val32 = rge_reg_get32(rgep, TX_CONFIG_REG); 704 val32 &= HW_VERSION_ID_0 | HW_VERSION_ID_1; 705 chip->mac_ver = val32; 706 switch (chip->mac_ver) { 707 case MAC_VER_8168: 708 case MAC_VER_8168B_B: 709 case MAC_VER_8168B_C: 710 case MAC_VER_8101E: 711 case MAC_VER_8101E_B: 712 chip->is_pcie = B_TRUE; 713 break; 714 715 default: 716 chip->is_pcie = B_FALSE; 717 break; 718 } 719 720 /* 721 * Read and record PHY version 722 */ 723 val16 = rge_mii_get16(rgep, PHY_ID_REG_2); 724 val16 &= PHY_VER_MASK; 725 chip->phy_ver = val16; 726 727 /* set pci latency timer */ 728 if (chip->mac_ver == MAC_VER_8169 || 729 chip->mac_ver == MAC_VER_8169S_D || 730 chip->mac_ver == MAC_VER_8169SC) 731 pci_config_put8(rgep->cfg_handle, PCI_CONF_LATENCY_TIMER, 0x40); 732 733 if (chip->mac_ver == MAC_VER_8169SC) { 734 val16 = rge_reg_get16(rgep, RT_CONFIG_1_REG); 735 val16 &= 0x0300; 736 if (val16 == 0x1) /* 66Mhz PCI */ 737 pci_config_put32(rgep->cfg_handle, 0x7c, 0x00ff00ff); 738 else if (val16 == 0x0) /* 33Mhz PCI */ 739 pci_config_put32(rgep->cfg_handle, 0x7c, 0x00ffff00); 740 } 741 742 /* 743 * PCIE chipset require the Rx buffer start address must be 744 * 8-byte alignment and the Rx buffer size must be multiple of 8. 745 * We'll just use bcopy in receive procedure for the PCIE chipset. 746 */ 747 if (chip->is_pcie) { 748 rgep->chip_flags |= CHIP_FLAG_FORCE_BCOPY; 749 if (rgep->default_mtu > ETHERMTU) { 750 rge_notice(rgep, "Jumbo packets not supported " 751 "for this PCIE chipset"); 752 rgep->default_mtu = ETHERMTU; 753 } 754 } 755 if (rgep->chip_flags & CHIP_FLAG_FORCE_BCOPY) 756 rgep->head_room = 0; 757 else 758 rgep->head_room = RGE_HEADROOM; 759 760 /* 761 * Initialize other variables. 762 */ 763 if (rgep->default_mtu < ETHERMTU || rgep->default_mtu > RGE_JUMBO_MTU) 764 rgep->default_mtu = ETHERMTU; 765 if (rgep->default_mtu > ETHERMTU) { 766 rgep->rxbuf_size = RGE_BUFF_SIZE_JUMBO; 767 rgep->txbuf_size = RGE_BUFF_SIZE_JUMBO; 768 rgep->ethmax_size = RGE_JUMBO_SIZE; 769 } else { 770 rgep->rxbuf_size = RGE_BUFF_SIZE_STD; 771 rgep->txbuf_size = RGE_BUFF_SIZE_STD; 772 rgep->ethmax_size = ETHERMAX; 773 } 774 chip->rxconfig = RX_CONFIG_DEFAULT; 775 chip->txconfig = TX_CONFIG_DEFAULT; 776 777 RGE_TRACE(("%s: MAC version = %x, PHY version = %x", 778 rgep->ifname, chip->mac_ver, chip->phy_ver)); 779 } 780 781 /* 782 * Perform first-stage chip (re-)initialisation, using only config-space 783 * accesses: 784 * 785 * + Read the vendor/device/revision/subsystem/cache-line-size registers, 786 * returning the data in the structure pointed to by <idp>. 787 * + Enable Memory Space accesses. 788 * + Enable Bus Mastering according. 789 */ 790 void rge_chip_cfg_init(rge_t *rgep, chip_id_t *cidp); 791 #pragma no_inline(rge_chip_cfg_init) 792 793 void 794 rge_chip_cfg_init(rge_t *rgep, chip_id_t *cidp) 795 { 796 ddi_acc_handle_t handle; 797 uint16_t commd; 798 799 handle = rgep->cfg_handle; 800 801 /* 802 * Save PCI cache line size and subsystem vendor ID 803 */ 804 cidp->command = pci_config_get16(handle, PCI_CONF_COMM); 805 cidp->vendor = pci_config_get16(handle, PCI_CONF_VENID); 806 cidp->device = pci_config_get16(handle, PCI_CONF_DEVID); 807 cidp->subven = pci_config_get16(handle, PCI_CONF_SUBVENID); 808 cidp->subdev = pci_config_get16(handle, PCI_CONF_SUBSYSID); 809 cidp->revision = pci_config_get8(handle, PCI_CONF_REVID); 810 cidp->clsize = pci_config_get8(handle, PCI_CONF_CACHE_LINESZ); 811 cidp->latency = pci_config_get8(handle, PCI_CONF_LATENCY_TIMER); 812 813 /* 814 * Turn on Master Enable (DMA) and IO Enable bits. 815 * Enable PCI Memory Space accesses 816 */ 817 commd = cidp->command; 818 commd |= PCI_COMM_ME | PCI_COMM_MAE | PCI_COMM_IO; 819 pci_config_put16(handle, PCI_CONF_COMM, commd); 820 821 RGE_DEBUG(("rge_chip_cfg_init: vendor 0x%x device 0x%x revision 0x%x", 822 cidp->vendor, cidp->device, cidp->revision)); 823 RGE_DEBUG(("rge_chip_cfg_init: subven 0x%x subdev 0x%x", 824 cidp->subven, cidp->subdev)); 825 RGE_DEBUG(("rge_chip_cfg_init: clsize %d latency %d command 0x%x", 826 cidp->clsize, cidp->latency, cidp->command)); 827 } 828 829 int rge_chip_reset(rge_t *rgep); 830 #pragma no_inline(rge_chip_reset) 831 832 int 833 rge_chip_reset(rge_t *rgep) 834 { 835 int i; 836 uint8_t val8; 837 838 /* 839 * Chip should be in STOP state 840 */ 841 rge_reg_clr8(rgep, RT_COMMAND_REG, 842 RT_COMMAND_RX_ENABLE | RT_COMMAND_TX_ENABLE); 843 844 /* 845 * Disable interrupt 846 */ 847 rgep->int_mask = INT_MASK_NONE; 848 rge_reg_put16(rgep, INT_MASK_REG, rgep->int_mask); 849 850 /* 851 * Clear pended interrupt 852 */ 853 rge_reg_put16(rgep, INT_STATUS_REG, INT_MASK_ALL); 854 855 /* 856 * Reset chip 857 */ 858 rge_reg_set8(rgep, RT_COMMAND_REG, RT_COMMAND_RESET); 859 860 /* 861 * Wait for reset success 862 */ 863 for (i = 0; i < CHIP_RESET_LOOP; i++) { 864 drv_usecwait(10); 865 val8 = rge_reg_get8(rgep, RT_COMMAND_REG); 866 if (!(val8 & RT_COMMAND_RESET)) { 867 rgep->rge_chip_state = RGE_CHIP_RESET; 868 return (0); 869 } 870 } 871 RGE_REPORT((rgep, "rge_chip_reset fail.")); 872 return (-1); 873 } 874 875 void rge_chip_init(rge_t *rgep); 876 #pragma no_inline(rge_chip_init) 877 878 void 879 rge_chip_init(rge_t *rgep) 880 { 881 uint32_t val32; 882 uint32_t val16; 883 uint32_t *hashp; 884 chip_id_t *chip = &rgep->chipid; 885 886 if (chip->is_pcie) { 887 /* 888 * Increase the threshold voltage of RX sensitivity 889 */ 890 if (chip->mac_ver != MAC_VER_8168 && 891 chip->mac_ver != MAC_VER_8101E_B) 892 rge_ephy_put16(rgep, 0x01, 0x1bd3); 893 894 val16 = rge_reg_get8(rgep, PHY_STATUS_REG); 895 val16 = 0x12<<8 | val16; 896 if (rgep->chipid.mac_ver != MAC_VER_8101E && 897 rgep->chipid.mac_ver != MAC_VER_8101E_B && 898 rgep->chipid.mac_ver != MAC_VER_8101E_C && 899 rgep->chipid.mac_ver != MAC_VER_8168B_C) { 900 rge_reg_put16(rgep, PHY_STATUS_REG, val16); 901 rge_reg_put32(rgep, RT_CSI_DATA_REG, 0x00021c01); 902 rge_reg_put32(rgep, RT_CSI_ACCESS_REG, 0x8000f088); 903 rge_reg_put32(rgep, RT_CSI_DATA_REG, 0x00004000); 904 rge_reg_put32(rgep, RT_CSI_ACCESS_REG, 0x8000f0b0); 905 rge_reg_put32(rgep, RT_CSI_ACCESS_REG, 0x0000f068); 906 val32 = rge_reg_get32(rgep, RT_CSI_DATA_REG); 907 val32 |= 0x7000; 908 val32 &= 0xffff5fff; 909 rge_reg_put32(rgep, RT_CSI_DATA_REG, val32); 910 rge_reg_put32(rgep, RT_CSI_ACCESS_REG, 0x8000f068); 911 } 912 } 913 914 /* 915 * Config MII register 916 */ 917 rgep->param_link_up = LINK_STATE_DOWN; 918 rge_phy_update(rgep); 919 920 /* 921 * Enable Rx checksum offload. 922 * Then for vlan support, we must enable receive vlan de-tagging. 923 * Otherwise, there'll be checksum error. 924 */ 925 val16 = rge_reg_get16(rgep, CPLUS_COMMAND_REG); 926 val16 |= RX_CKSM_OFFLOAD | RX_VLAN_DETAG; 927 if (chip->mac_ver == MAC_VER_8169S_D) { 928 val16 |= CPLUS_BIT14 | MUL_PCI_RW_ENABLE; 929 rge_reg_put8(rgep, RESV_82_REG, 0x01); 930 } 931 rge_reg_put16(rgep, CPLUS_COMMAND_REG, val16 & (~0x03)); 932 933 /* 934 * Start transmit/receive before set tx/rx configuration register 935 */ 936 if (!chip->is_pcie) 937 rge_reg_set8(rgep, RT_COMMAND_REG, 938 RT_COMMAND_RX_ENABLE | RT_COMMAND_TX_ENABLE); 939 940 /* 941 * Set dump tally counter register 942 */ 943 val32 = rgep->dma_area_stats.cookie.dmac_laddress >> 32; 944 rge_reg_put32(rgep, DUMP_COUNTER_REG_1, val32); 945 val32 = rge_reg_get32(rgep, DUMP_COUNTER_REG_0); 946 val32 &= DUMP_COUNTER_REG_RESV; 947 val32 |= rgep->dma_area_stats.cookie.dmac_laddress; 948 rge_reg_put32(rgep, DUMP_COUNTER_REG_0, val32); 949 950 /* 951 * Change to config register write enable mode 952 */ 953 rge_reg_set8(rgep, RT_93c46_COMMOND_REG, RT_93c46_MODE_CONFIG); 954 955 /* 956 * Set Tx/Rx maximum packet size 957 */ 958 if (rgep->default_mtu > ETHERMTU) { 959 rge_reg_put8(rgep, TX_MAX_PKTSIZE_REG, TX_PKTSIZE_JUMBO); 960 rge_reg_put16(rgep, RX_MAX_PKTSIZE_REG, RX_PKTSIZE_JUMBO); 961 } else if (rgep->chipid.mac_ver != MAC_VER_8101E) { 962 rge_reg_put8(rgep, TX_MAX_PKTSIZE_REG, TX_PKTSIZE_STD); 963 rge_reg_put16(rgep, RX_MAX_PKTSIZE_REG, RX_PKTSIZE_STD); 964 } else { 965 rge_reg_put8(rgep, TX_MAX_PKTSIZE_REG, TX_PKTSIZE_STD_8101E); 966 rge_reg_put16(rgep, RX_MAX_PKTSIZE_REG, RX_PKTSIZE_STD_8101E); 967 } 968 969 /* 970 * Set receive configuration register 971 */ 972 val32 = rge_reg_get32(rgep, RX_CONFIG_REG); 973 val32 &= RX_CONFIG_REG_RESV; 974 if (rgep->promisc) 975 val32 |= RX_ACCEPT_ALL_PKT; 976 rge_reg_put32(rgep, RX_CONFIG_REG, val32 | chip->rxconfig); 977 978 /* 979 * Set transmit configuration register 980 */ 981 val32 = rge_reg_get32(rgep, TX_CONFIG_REG); 982 val32 &= TX_CONFIG_REG_RESV; 983 rge_reg_put32(rgep, TX_CONFIG_REG, val32 | chip->txconfig); 984 985 /* 986 * Set Tx/Rx descriptor register 987 */ 988 val32 = rgep->tx_desc.cookie.dmac_laddress; 989 rge_reg_put32(rgep, NORMAL_TX_RING_ADDR_LO_REG, val32); 990 val32 = rgep->tx_desc.cookie.dmac_laddress >> 32; 991 rge_reg_put32(rgep, NORMAL_TX_RING_ADDR_HI_REG, val32); 992 rge_reg_put32(rgep, HIGH_TX_RING_ADDR_LO_REG, 0); 993 rge_reg_put32(rgep, HIGH_TX_RING_ADDR_HI_REG, 0); 994 val32 = rgep->rx_desc.cookie.dmac_laddress; 995 rge_reg_put32(rgep, RX_RING_ADDR_LO_REG, val32); 996 val32 = rgep->rx_desc.cookie.dmac_laddress >> 32; 997 rge_reg_put32(rgep, RX_RING_ADDR_HI_REG, val32); 998 999 /* 1000 * Suggested setting from Realtek 1001 */ 1002 if (rgep->chipid.mac_ver != MAC_VER_8101E) 1003 rge_reg_put16(rgep, RESV_E2_REG, 0x282a); 1004 else 1005 rge_reg_put16(rgep, RESV_E2_REG, 0x0000); 1006 1007 /* 1008 * Set multicast register 1009 */ 1010 hashp = (uint32_t *)rgep->mcast_hash; 1011 rge_reg_put32(rgep, MULTICAST_0_REG, hashp[0]); 1012 rge_reg_put32(rgep, MULTICAST_4_REG, hashp[1]); 1013 1014 /* 1015 * Msic register setting: 1016 * -- Missed packet counter: clear it 1017 * -- TimerInt Register 1018 * -- Timer count register 1019 */ 1020 rge_reg_put32(rgep, RX_PKT_MISS_COUNT_REG, 0); 1021 rge_reg_put32(rgep, TIMER_INT_REG, TIMER_INT_NONE); 1022 rge_reg_put32(rgep, TIMER_COUNT_REG, 0); 1023 1024 /* 1025 * disable the Unicast Wakeup Frame capability 1026 */ 1027 rge_reg_clr8(rgep, RT_CONFIG_5_REG, RT_UNI_WAKE_FRAME); 1028 1029 /* 1030 * Return to normal network/host communication mode 1031 */ 1032 rge_reg_clr8(rgep, RT_93c46_COMMOND_REG, RT_93c46_MODE_CONFIG); 1033 drv_usecwait(20); 1034 } 1035 1036 /* 1037 * rge_chip_start() -- start the chip transmitting and/or receiving, 1038 * including enabling interrupts 1039 */ 1040 void rge_chip_start(rge_t *rgep); 1041 #pragma no_inline(rge_chip_start) 1042 1043 void 1044 rge_chip_start(rge_t *rgep) 1045 { 1046 /* 1047 * Clear statistics 1048 */ 1049 bzero(&rgep->stats, sizeof (rge_stats_t)); 1050 DMA_ZERO(rgep->dma_area_stats); 1051 1052 /* 1053 * Start transmit/receive 1054 */ 1055 rge_reg_set8(rgep, RT_COMMAND_REG, 1056 RT_COMMAND_RX_ENABLE | RT_COMMAND_TX_ENABLE); 1057 1058 /* 1059 * Enable interrupt 1060 */ 1061 rgep->int_mask = RGE_INT_MASK; 1062 rge_reg_put16(rgep, INT_MASK_REG, rgep->int_mask); 1063 1064 /* 1065 * All done! 1066 */ 1067 rgep->rge_chip_state = RGE_CHIP_RUNNING; 1068 } 1069 1070 /* 1071 * rge_chip_stop() -- stop board receiving 1072 * 1073 * Since this function is also invoked by rge_quiesce(), it 1074 * must not block; also, no tracing or logging takes place 1075 * when invoked by rge_quiesce(). 1076 */ 1077 void rge_chip_stop(rge_t *rgep, boolean_t fault); 1078 #pragma no_inline(rge_chip_stop) 1079 1080 void 1081 rge_chip_stop(rge_t *rgep, boolean_t fault) 1082 { 1083 /* 1084 * Disable interrupt 1085 */ 1086 rgep->int_mask = INT_MASK_NONE; 1087 rge_reg_put16(rgep, INT_MASK_REG, rgep->int_mask); 1088 1089 /* 1090 * Clear pended interrupt 1091 */ 1092 if (!rgep->suspended) { 1093 rge_reg_put16(rgep, INT_STATUS_REG, INT_MASK_ALL); 1094 } 1095 1096 /* 1097 * Stop the board and disable transmit/receive 1098 */ 1099 rge_reg_clr8(rgep, RT_COMMAND_REG, 1100 RT_COMMAND_RX_ENABLE | RT_COMMAND_TX_ENABLE); 1101 1102 if (fault) 1103 rgep->rge_chip_state = RGE_CHIP_FAULT; 1104 else 1105 rgep->rge_chip_state = RGE_CHIP_STOPPED; 1106 } 1107 1108 /* 1109 * rge_get_mac_addr() -- get the MAC address on NIC 1110 */ 1111 static void rge_get_mac_addr(rge_t *rgep); 1112 #pragma inline(rge_get_mac_addr) 1113 1114 static void 1115 rge_get_mac_addr(rge_t *rgep) 1116 { 1117 uint8_t *macaddr = rgep->netaddr; 1118 uint32_t val32; 1119 1120 /* 1121 * Read first 4-byte of mac address 1122 */ 1123 val32 = rge_reg_get32(rgep, ID_0_REG); 1124 macaddr[0] = val32 & 0xff; 1125 val32 = val32 >> 8; 1126 macaddr[1] = val32 & 0xff; 1127 val32 = val32 >> 8; 1128 macaddr[2] = val32 & 0xff; 1129 val32 = val32 >> 8; 1130 macaddr[3] = val32 & 0xff; 1131 1132 /* 1133 * Read last 2-byte of mac address 1134 */ 1135 val32 = rge_reg_get32(rgep, ID_4_REG); 1136 macaddr[4] = val32 & 0xff; 1137 val32 = val32 >> 8; 1138 macaddr[5] = val32 & 0xff; 1139 } 1140 1141 static void rge_set_mac_addr(rge_t *rgep); 1142 #pragma inline(rge_set_mac_addr) 1143 1144 static void 1145 rge_set_mac_addr(rge_t *rgep) 1146 { 1147 uint8_t *p = rgep->netaddr; 1148 uint32_t val32; 1149 1150 /* 1151 * Change to config register write enable mode 1152 */ 1153 rge_reg_set8(rgep, RT_93c46_COMMOND_REG, RT_93c46_MODE_CONFIG); 1154 1155 /* 1156 * Get first 4 bytes of mac address 1157 */ 1158 val32 = p[3]; 1159 val32 = val32 << 8; 1160 val32 |= p[2]; 1161 val32 = val32 << 8; 1162 val32 |= p[1]; 1163 val32 = val32 << 8; 1164 val32 |= p[0]; 1165 1166 /* 1167 * Set first 4 bytes of mac address 1168 */ 1169 rge_reg_put32(rgep, ID_0_REG, val32); 1170 1171 /* 1172 * Get last 2 bytes of mac address 1173 */ 1174 val32 = p[5]; 1175 val32 = val32 << 8; 1176 val32 |= p[4]; 1177 1178 /* 1179 * Set last 2 bytes of mac address 1180 */ 1181 val32 |= rge_reg_get32(rgep, ID_4_REG) & ~0xffff; 1182 rge_reg_put32(rgep, ID_4_REG, val32); 1183 1184 /* 1185 * Return to normal network/host communication mode 1186 */ 1187 rge_reg_clr8(rgep, RT_93c46_COMMOND_REG, RT_93c46_MODE_CONFIG); 1188 } 1189 1190 static void rge_set_multi_addr(rge_t *rgep); 1191 #pragma inline(rge_set_multi_addr) 1192 1193 static void 1194 rge_set_multi_addr(rge_t *rgep) 1195 { 1196 uint32_t *hashp; 1197 1198 hashp = (uint32_t *)rgep->mcast_hash; 1199 1200 /* 1201 * Change to config register write enable mode 1202 */ 1203 if (rgep->chipid.mac_ver == MAC_VER_8169SC) { 1204 rge_reg_set8(rgep, RT_93c46_COMMOND_REG, RT_93c46_MODE_CONFIG); 1205 } 1206 rge_reg_put32(rgep, MULTICAST_0_REG, RGE_BSWAP_32(hashp[0])); 1207 rge_reg_put32(rgep, MULTICAST_4_REG, RGE_BSWAP_32(hashp[1])); 1208 1209 /* 1210 * Return to normal network/host communication mode 1211 */ 1212 if (rgep->chipid.mac_ver == MAC_VER_8169SC) { 1213 rge_reg_clr8(rgep, RT_93c46_COMMOND_REG, RT_93c46_MODE_CONFIG); 1214 } 1215 } 1216 1217 static void rge_set_promisc(rge_t *rgep); 1218 #pragma inline(rge_set_promisc) 1219 1220 static void 1221 rge_set_promisc(rge_t *rgep) 1222 { 1223 if (rgep->promisc) 1224 rge_reg_set32(rgep, RX_CONFIG_REG, RX_ACCEPT_ALL_PKT); 1225 else 1226 rge_reg_clr32(rgep, RX_CONFIG_REG, RX_ACCEPT_ALL_PKT); 1227 } 1228 1229 /* 1230 * rge_chip_sync() -- program the chip with the unicast MAC address, 1231 * the multicast hash table, the required level of promiscuity, and 1232 * the current loopback mode ... 1233 */ 1234 void rge_chip_sync(rge_t *rgep, enum rge_sync_op todo); 1235 #pragma no_inline(rge_chip_sync) 1236 1237 void 1238 rge_chip_sync(rge_t *rgep, enum rge_sync_op todo) 1239 { 1240 switch (todo) { 1241 case RGE_GET_MAC: 1242 rge_get_mac_addr(rgep); 1243 break; 1244 case RGE_SET_MAC: 1245 /* Reprogram the unicast MAC address(es) ... */ 1246 rge_set_mac_addr(rgep); 1247 break; 1248 case RGE_SET_MUL: 1249 /* Reprogram the hashed multicast address table ... */ 1250 rge_set_multi_addr(rgep); 1251 break; 1252 case RGE_SET_PROMISC: 1253 /* Set or clear the PROMISCUOUS mode bit */ 1254 rge_set_promisc(rgep); 1255 break; 1256 default: 1257 break; 1258 } 1259 } 1260 1261 void rge_chip_blank(void *arg, time_t ticks, uint_t count, int flag); 1262 #pragma no_inline(rge_chip_blank) 1263 1264 /* ARGSUSED */ 1265 void 1266 rge_chip_blank(void *arg, time_t ticks, uint_t count, int flag) 1267 { 1268 _NOTE(ARGUNUSED(arg, ticks, count)); 1269 } 1270 1271 void rge_tx_trigger(rge_t *rgep); 1272 #pragma no_inline(rge_tx_trigger) 1273 1274 void 1275 rge_tx_trigger(rge_t *rgep) 1276 { 1277 rge_reg_set8(rgep, TX_RINGS_POLL_REG, NORMAL_TX_RING_POLL); 1278 } 1279 1280 void rge_hw_stats_dump(rge_t *rgep); 1281 #pragma no_inline(rge_tx_trigger) 1282 1283 void 1284 rge_hw_stats_dump(rge_t *rgep) 1285 { 1286 int i = 0; 1287 1288 while (rge_reg_get32(rgep, DUMP_COUNTER_REG_0) & DUMP_START) { 1289 drv_usecwait(100); 1290 if (++i > STATS_DUMP_LOOP) { 1291 RGE_DEBUG(("rge h/w statistics dump fail!")); 1292 rgep->rge_chip_state = RGE_CHIP_ERROR; 1293 return; 1294 } 1295 } 1296 DMA_SYNC(rgep->dma_area_stats, DDI_DMA_SYNC_FORKERNEL); 1297 1298 /* 1299 * Start H/W statistics dump for RTL8169 chip 1300 */ 1301 rge_reg_set32(rgep, DUMP_COUNTER_REG_0, DUMP_START); 1302 } 1303 1304 /* 1305 * ========== Hardware interrupt handler ========== 1306 */ 1307 1308 #undef RGE_DBG 1309 #define RGE_DBG RGE_DBG_INT /* debug flag for this code */ 1310 1311 static void rge_wake_factotum(rge_t *rgep); 1312 #pragma inline(rge_wake_factotum) 1313 1314 static void 1315 rge_wake_factotum(rge_t *rgep) 1316 { 1317 if (rgep->factotum_flag == 0) { 1318 rgep->factotum_flag = 1; 1319 (void) ddi_intr_trigger_softint(rgep->factotum_hdl, NULL); 1320 } 1321 } 1322 1323 /* 1324 * rge_intr() -- handle chip interrupts 1325 */ 1326 uint_t rge_intr(caddr_t arg1, caddr_t arg2); 1327 #pragma no_inline(rge_intr) 1328 1329 uint_t 1330 rge_intr(caddr_t arg1, caddr_t arg2) 1331 { 1332 rge_t *rgep = (rge_t *)arg1; 1333 uint16_t int_status; 1334 1335 _NOTE(ARGUNUSED(arg2)) 1336 1337 mutex_enter(rgep->genlock); 1338 1339 if (rgep->suspended) { 1340 mutex_exit(rgep->genlock); 1341 return (DDI_INTR_UNCLAIMED); 1342 } 1343 1344 /* 1345 * Was this interrupt caused by our device... 1346 */ 1347 int_status = rge_reg_get16(rgep, INT_STATUS_REG); 1348 if (!(int_status & rgep->int_mask)) { 1349 mutex_exit(rgep->genlock); 1350 return (DDI_INTR_UNCLAIMED); 1351 /* indicate it wasn't our interrupt */ 1352 } 1353 rgep->stats.intr++; 1354 1355 /* 1356 * Clear interrupt 1357 * For PCIE chipset, we need disable interrupt first. 1358 */ 1359 if (rgep->chipid.is_pcie) 1360 rge_reg_put16(rgep, INT_MASK_REG, INT_MASK_NONE); 1361 rge_reg_put16(rgep, INT_STATUS_REG, int_status); 1362 1363 /* 1364 * Cable link change interrupt 1365 */ 1366 if (int_status & LINK_CHANGE_INT) { 1367 rge_chip_cyclic(rgep); 1368 } 1369 1370 mutex_exit(rgep->genlock); 1371 1372 /* 1373 * Receive interrupt 1374 */ 1375 if (int_status & RGE_RX_INT) 1376 rge_receive(rgep); 1377 1378 /* 1379 * Re-enable interrupt for PCIE chipset 1380 */ 1381 if (rgep->chipid.is_pcie) 1382 rge_reg_put16(rgep, INT_MASK_REG, rgep->int_mask); 1383 1384 return (DDI_INTR_CLAIMED); /* indicate it was our interrupt */ 1385 } 1386 1387 /* 1388 * ========== Factotum, implemented as a softint handler ========== 1389 */ 1390 1391 #undef RGE_DBG 1392 #define RGE_DBG RGE_DBG_FACT /* debug flag for this code */ 1393 1394 static boolean_t rge_factotum_link_check(rge_t *rgep); 1395 #pragma no_inline(rge_factotum_link_check) 1396 1397 static boolean_t 1398 rge_factotum_link_check(rge_t *rgep) 1399 { 1400 uint8_t media_status; 1401 int32_t link; 1402 1403 media_status = rge_reg_get8(rgep, PHY_STATUS_REG); 1404 link = (media_status & PHY_STATUS_LINK_UP) ? 1405 LINK_STATE_UP : LINK_STATE_DOWN; 1406 if (rgep->param_link_up != link) { 1407 /* 1408 * Link change. 1409 */ 1410 rgep->param_link_up = link; 1411 1412 if (link == LINK_STATE_UP) { 1413 if (media_status & PHY_STATUS_1000MF) { 1414 rgep->param_link_speed = RGE_SPEED_1000M; 1415 rgep->param_link_duplex = LINK_DUPLEX_FULL; 1416 } else { 1417 rgep->param_link_speed = 1418 (media_status & PHY_STATUS_100M) ? 1419 RGE_SPEED_100M : RGE_SPEED_10M; 1420 rgep->param_link_duplex = 1421 (media_status & PHY_STATUS_DUPLEX_FULL) ? 1422 LINK_DUPLEX_FULL : LINK_DUPLEX_HALF; 1423 } 1424 } 1425 return (B_TRUE); 1426 } 1427 return (B_FALSE); 1428 } 1429 1430 /* 1431 * Factotum routine to check for Tx stall, using the 'watchdog' counter 1432 */ 1433 static boolean_t rge_factotum_stall_check(rge_t *rgep); 1434 #pragma no_inline(rge_factotum_stall_check) 1435 1436 static boolean_t 1437 rge_factotum_stall_check(rge_t *rgep) 1438 { 1439 uint32_t dogval; 1440 1441 ASSERT(mutex_owned(rgep->genlock)); 1442 1443 /* 1444 * Specific check for Tx stall ... 1445 * 1446 * The 'watchdog' counter is incremented whenever a packet 1447 * is queued, reset to 1 when some (but not all) buffers 1448 * are reclaimed, reset to 0 (disabled) when all buffers 1449 * are reclaimed, and shifted left here. If it exceeds the 1450 * threshold value, the chip is assumed to have stalled and 1451 * is put into the ERROR state. The factotum will then reset 1452 * it on the next pass. 1453 * 1454 * All of which should ensure that we don't get into a state 1455 * where packets are left pending indefinitely! 1456 */ 1457 if (rgep->resched_needed) 1458 (void) ddi_intr_trigger_softint(rgep->resched_hdl, NULL); 1459 dogval = rge_atomic_shl32(&rgep->watchdog, 1); 1460 if (dogval < rge_watchdog_count) 1461 return (B_FALSE); 1462 1463 RGE_REPORT((rgep, "Tx stall detected, watchdog code 0x%x", dogval)); 1464 return (B_TRUE); 1465 1466 } 1467 1468 /* 1469 * The factotum is woken up when there's something to do that we'd rather 1470 * not do from inside a hardware interrupt handler or high-level cyclic. 1471 * Its two main tasks are: 1472 * reset & restart the chip after an error 1473 * check the link status whenever necessary 1474 */ 1475 uint_t rge_chip_factotum(caddr_t arg1, caddr_t arg2); 1476 #pragma no_inline(rge_chip_factotum) 1477 1478 uint_t 1479 rge_chip_factotum(caddr_t arg1, caddr_t arg2) 1480 { 1481 rge_t *rgep; 1482 uint_t result; 1483 boolean_t error; 1484 boolean_t linkchg; 1485 1486 rgep = (rge_t *)arg1; 1487 _NOTE(ARGUNUSED(arg2)) 1488 1489 if (rgep->factotum_flag == 0) 1490 return (DDI_INTR_UNCLAIMED); 1491 1492 rgep->factotum_flag = 0; 1493 result = DDI_INTR_CLAIMED; 1494 error = B_FALSE; 1495 linkchg = B_FALSE; 1496 1497 mutex_enter(rgep->genlock); 1498 switch (rgep->rge_chip_state) { 1499 default: 1500 break; 1501 1502 case RGE_CHIP_RUNNING: 1503 linkchg = rge_factotum_link_check(rgep); 1504 error = rge_factotum_stall_check(rgep); 1505 break; 1506 1507 case RGE_CHIP_ERROR: 1508 error = B_TRUE; 1509 break; 1510 1511 case RGE_CHIP_FAULT: 1512 /* 1513 * Fault detected, time to reset ... 1514 */ 1515 if (rge_autorecover) { 1516 RGE_REPORT((rgep, "automatic recovery activated")); 1517 rge_restart(rgep); 1518 } 1519 break; 1520 } 1521 1522 /* 1523 * If an error is detected, stop the chip now, marking it as 1524 * faulty, so that it will be reset next time through ... 1525 */ 1526 if (error) 1527 rge_chip_stop(rgep, B_TRUE); 1528 mutex_exit(rgep->genlock); 1529 1530 /* 1531 * If the link state changed, tell the world about it. 1532 * Note: can't do this while still holding the mutex. 1533 */ 1534 if (linkchg) 1535 mac_link_update(rgep->mh, rgep->param_link_up); 1536 1537 return (result); 1538 } 1539 1540 /* 1541 * High-level cyclic handler 1542 * 1543 * This routine schedules a (low-level) softint callback to the 1544 * factotum, and prods the chip to update the status block (which 1545 * will cause a hardware interrupt when complete). 1546 */ 1547 void rge_chip_cyclic(void *arg); 1548 #pragma no_inline(rge_chip_cyclic) 1549 1550 void 1551 rge_chip_cyclic(void *arg) 1552 { 1553 rge_t *rgep; 1554 1555 rgep = arg; 1556 1557 switch (rgep->rge_chip_state) { 1558 default: 1559 return; 1560 1561 case RGE_CHIP_RUNNING: 1562 rge_phy_check(rgep); 1563 break; 1564 1565 case RGE_CHIP_FAULT: 1566 case RGE_CHIP_ERROR: 1567 break; 1568 } 1569 1570 rge_wake_factotum(rgep); 1571 } 1572 1573 1574 /* 1575 * ========== Ioctl subfunctions ========== 1576 */ 1577 1578 #undef RGE_DBG 1579 #define RGE_DBG RGE_DBG_PPIO /* debug flag for this code */ 1580 1581 #if RGE_DEBUGGING || RGE_DO_PPIO 1582 1583 static void rge_chip_peek_cfg(rge_t *rgep, rge_peekpoke_t *ppd); 1584 #pragma no_inline(rge_chip_peek_cfg) 1585 1586 static void 1587 rge_chip_peek_cfg(rge_t *rgep, rge_peekpoke_t *ppd) 1588 { 1589 uint64_t regval; 1590 uint64_t regno; 1591 1592 RGE_TRACE(("rge_chip_peek_cfg($%p, $%p)", 1593 (void *)rgep, (void *)ppd)); 1594 1595 regno = ppd->pp_acc_offset; 1596 1597 switch (ppd->pp_acc_size) { 1598 case 1: 1599 regval = pci_config_get8(rgep->cfg_handle, regno); 1600 break; 1601 1602 case 2: 1603 regval = pci_config_get16(rgep->cfg_handle, regno); 1604 break; 1605 1606 case 4: 1607 regval = pci_config_get32(rgep->cfg_handle, regno); 1608 break; 1609 1610 case 8: 1611 regval = pci_config_get64(rgep->cfg_handle, regno); 1612 break; 1613 } 1614 1615 ppd->pp_acc_data = regval; 1616 } 1617 1618 static void rge_chip_poke_cfg(rge_t *rgep, rge_peekpoke_t *ppd); 1619 #pragma no_inline(rge_chip_poke_cfg) 1620 1621 static void 1622 rge_chip_poke_cfg(rge_t *rgep, rge_peekpoke_t *ppd) 1623 { 1624 uint64_t regval; 1625 uint64_t regno; 1626 1627 RGE_TRACE(("rge_chip_poke_cfg($%p, $%p)", 1628 (void *)rgep, (void *)ppd)); 1629 1630 regno = ppd->pp_acc_offset; 1631 regval = ppd->pp_acc_data; 1632 1633 switch (ppd->pp_acc_size) { 1634 case 1: 1635 pci_config_put8(rgep->cfg_handle, regno, regval); 1636 break; 1637 1638 case 2: 1639 pci_config_put16(rgep->cfg_handle, regno, regval); 1640 break; 1641 1642 case 4: 1643 pci_config_put32(rgep->cfg_handle, regno, regval); 1644 break; 1645 1646 case 8: 1647 pci_config_put64(rgep->cfg_handle, regno, regval); 1648 break; 1649 } 1650 } 1651 1652 static void rge_chip_peek_reg(rge_t *rgep, rge_peekpoke_t *ppd); 1653 #pragma no_inline(rge_chip_peek_reg) 1654 1655 static void 1656 rge_chip_peek_reg(rge_t *rgep, rge_peekpoke_t *ppd) 1657 { 1658 uint64_t regval; 1659 void *regaddr; 1660 1661 RGE_TRACE(("rge_chip_peek_reg($%p, $%p)", 1662 (void *)rgep, (void *)ppd)); 1663 1664 regaddr = PIO_ADDR(rgep, ppd->pp_acc_offset); 1665 1666 switch (ppd->pp_acc_size) { 1667 case 1: 1668 regval = ddi_get8(rgep->io_handle, regaddr); 1669 break; 1670 1671 case 2: 1672 regval = ddi_get16(rgep->io_handle, regaddr); 1673 break; 1674 1675 case 4: 1676 regval = ddi_get32(rgep->io_handle, regaddr); 1677 break; 1678 1679 case 8: 1680 regval = ddi_get64(rgep->io_handle, regaddr); 1681 break; 1682 } 1683 1684 ppd->pp_acc_data = regval; 1685 } 1686 1687 static void rge_chip_poke_reg(rge_t *rgep, rge_peekpoke_t *ppd); 1688 #pragma no_inline(rge_chip_peek_reg) 1689 1690 static void 1691 rge_chip_poke_reg(rge_t *rgep, rge_peekpoke_t *ppd) 1692 { 1693 uint64_t regval; 1694 void *regaddr; 1695 1696 RGE_TRACE(("rge_chip_poke_reg($%p, $%p)", 1697 (void *)rgep, (void *)ppd)); 1698 1699 regaddr = PIO_ADDR(rgep, ppd->pp_acc_offset); 1700 regval = ppd->pp_acc_data; 1701 1702 switch (ppd->pp_acc_size) { 1703 case 1: 1704 ddi_put8(rgep->io_handle, regaddr, regval); 1705 break; 1706 1707 case 2: 1708 ddi_put16(rgep->io_handle, regaddr, regval); 1709 break; 1710 1711 case 4: 1712 ddi_put32(rgep->io_handle, regaddr, regval); 1713 break; 1714 1715 case 8: 1716 ddi_put64(rgep->io_handle, regaddr, regval); 1717 break; 1718 } 1719 } 1720 1721 static void rge_chip_peek_mii(rge_t *rgep, rge_peekpoke_t *ppd); 1722 #pragma no_inline(rge_chip_peek_mii) 1723 1724 static void 1725 rge_chip_peek_mii(rge_t *rgep, rge_peekpoke_t *ppd) 1726 { 1727 RGE_TRACE(("rge_chip_peek_mii($%p, $%p)", 1728 (void *)rgep, (void *)ppd)); 1729 1730 ppd->pp_acc_data = rge_mii_get16(rgep, ppd->pp_acc_offset/2); 1731 } 1732 1733 static void rge_chip_poke_mii(rge_t *rgep, rge_peekpoke_t *ppd); 1734 #pragma no_inline(rge_chip_poke_mii) 1735 1736 static void 1737 rge_chip_poke_mii(rge_t *rgep, rge_peekpoke_t *ppd) 1738 { 1739 RGE_TRACE(("rge_chip_poke_mii($%p, $%p)", 1740 (void *)rgep, (void *)ppd)); 1741 1742 rge_mii_put16(rgep, ppd->pp_acc_offset/2, ppd->pp_acc_data); 1743 } 1744 1745 static void rge_chip_peek_mem(rge_t *rgep, rge_peekpoke_t *ppd); 1746 #pragma no_inline(rge_chip_peek_mem) 1747 1748 static void 1749 rge_chip_peek_mem(rge_t *rgep, rge_peekpoke_t *ppd) 1750 { 1751 uint64_t regval; 1752 void *vaddr; 1753 1754 RGE_TRACE(("rge_chip_peek_rge($%p, $%p)", 1755 (void *)rgep, (void *)ppd)); 1756 1757 vaddr = (void *)(uintptr_t)ppd->pp_acc_offset; 1758 1759 switch (ppd->pp_acc_size) { 1760 case 1: 1761 regval = *(uint8_t *)vaddr; 1762 break; 1763 1764 case 2: 1765 regval = *(uint16_t *)vaddr; 1766 break; 1767 1768 case 4: 1769 regval = *(uint32_t *)vaddr; 1770 break; 1771 1772 case 8: 1773 regval = *(uint64_t *)vaddr; 1774 break; 1775 } 1776 1777 RGE_DEBUG(("rge_chip_peek_mem($%p, $%p) peeked 0x%llx from $%p", 1778 (void *)rgep, (void *)ppd, regval, vaddr)); 1779 1780 ppd->pp_acc_data = regval; 1781 } 1782 1783 static void rge_chip_poke_mem(rge_t *rgep, rge_peekpoke_t *ppd); 1784 #pragma no_inline(rge_chip_poke_mem) 1785 1786 static void 1787 rge_chip_poke_mem(rge_t *rgep, rge_peekpoke_t *ppd) 1788 { 1789 uint64_t regval; 1790 void *vaddr; 1791 1792 RGE_TRACE(("rge_chip_poke_mem($%p, $%p)", 1793 (void *)rgep, (void *)ppd)); 1794 1795 vaddr = (void *)(uintptr_t)ppd->pp_acc_offset; 1796 regval = ppd->pp_acc_data; 1797 1798 RGE_DEBUG(("rge_chip_poke_mem($%p, $%p) poking 0x%llx at $%p", 1799 (void *)rgep, (void *)ppd, regval, vaddr)); 1800 1801 switch (ppd->pp_acc_size) { 1802 case 1: 1803 *(uint8_t *)vaddr = (uint8_t)regval; 1804 break; 1805 1806 case 2: 1807 *(uint16_t *)vaddr = (uint16_t)regval; 1808 break; 1809 1810 case 4: 1811 *(uint32_t *)vaddr = (uint32_t)regval; 1812 break; 1813 1814 case 8: 1815 *(uint64_t *)vaddr = (uint64_t)regval; 1816 break; 1817 } 1818 } 1819 1820 static enum ioc_reply rge_pp_ioctl(rge_t *rgep, int cmd, mblk_t *mp, 1821 struct iocblk *iocp); 1822 #pragma no_inline(rge_pp_ioctl) 1823 1824 static enum ioc_reply 1825 rge_pp_ioctl(rge_t *rgep, int cmd, mblk_t *mp, struct iocblk *iocp) 1826 { 1827 void (*ppfn)(rge_t *rgep, rge_peekpoke_t *ppd); 1828 rge_peekpoke_t *ppd; 1829 dma_area_t *areap; 1830 uint64_t sizemask; 1831 uint64_t mem_va; 1832 uint64_t maxoff; 1833 boolean_t peek; 1834 1835 switch (cmd) { 1836 default: 1837 /* NOTREACHED */ 1838 rge_error(rgep, "rge_pp_ioctl: invalid cmd 0x%x", cmd); 1839 return (IOC_INVAL); 1840 1841 case RGE_PEEK: 1842 peek = B_TRUE; 1843 break; 1844 1845 case RGE_POKE: 1846 peek = B_FALSE; 1847 break; 1848 } 1849 1850 /* 1851 * Validate format of ioctl 1852 */ 1853 if (iocp->ioc_count != sizeof (rge_peekpoke_t)) 1854 return (IOC_INVAL); 1855 if (mp->b_cont == NULL) 1856 return (IOC_INVAL); 1857 ppd = (rge_peekpoke_t *)mp->b_cont->b_rptr; 1858 1859 /* 1860 * Validate request parameters 1861 */ 1862 switch (ppd->pp_acc_space) { 1863 default: 1864 return (IOC_INVAL); 1865 1866 case RGE_PP_SPACE_CFG: 1867 /* 1868 * Config space 1869 */ 1870 sizemask = 8|4|2|1; 1871 mem_va = 0; 1872 maxoff = PCI_CONF_HDR_SIZE; 1873 ppfn = peek ? rge_chip_peek_cfg : rge_chip_poke_cfg; 1874 break; 1875 1876 case RGE_PP_SPACE_REG: 1877 /* 1878 * Memory-mapped I/O space 1879 */ 1880 sizemask = 8|4|2|1; 1881 mem_va = 0; 1882 maxoff = RGE_REGISTER_MAX; 1883 ppfn = peek ? rge_chip_peek_reg : rge_chip_poke_reg; 1884 break; 1885 1886 case RGE_PP_SPACE_MII: 1887 /* 1888 * PHY's MII registers 1889 * NB: all PHY registers are two bytes, but the 1890 * addresses increment in ones (word addressing). 1891 * So we scale the address here, then undo the 1892 * transformation inside the peek/poke functions. 1893 */ 1894 ppd->pp_acc_offset *= 2; 1895 sizemask = 2; 1896 mem_va = 0; 1897 maxoff = (MII_MAXREG+1)*2; 1898 ppfn = peek ? rge_chip_peek_mii : rge_chip_poke_mii; 1899 break; 1900 1901 case RGE_PP_SPACE_RGE: 1902 /* 1903 * RGE data structure! 1904 */ 1905 sizemask = 8|4|2|1; 1906 mem_va = (uintptr_t)rgep; 1907 maxoff = sizeof (*rgep); 1908 ppfn = peek ? rge_chip_peek_mem : rge_chip_poke_mem; 1909 break; 1910 1911 case RGE_PP_SPACE_STATISTICS: 1912 case RGE_PP_SPACE_TXDESC: 1913 case RGE_PP_SPACE_TXBUFF: 1914 case RGE_PP_SPACE_RXDESC: 1915 case RGE_PP_SPACE_RXBUFF: 1916 /* 1917 * Various DMA_AREAs 1918 */ 1919 switch (ppd->pp_acc_space) { 1920 case RGE_PP_SPACE_TXDESC: 1921 areap = &rgep->dma_area_txdesc; 1922 break; 1923 case RGE_PP_SPACE_RXDESC: 1924 areap = &rgep->dma_area_rxdesc; 1925 break; 1926 case RGE_PP_SPACE_STATISTICS: 1927 areap = &rgep->dma_area_stats; 1928 break; 1929 } 1930 1931 sizemask = 8|4|2|1; 1932 mem_va = (uintptr_t)areap->mem_va; 1933 maxoff = areap->alength; 1934 ppfn = peek ? rge_chip_peek_mem : rge_chip_poke_mem; 1935 break; 1936 } 1937 1938 switch (ppd->pp_acc_size) { 1939 default: 1940 return (IOC_INVAL); 1941 1942 case 8: 1943 case 4: 1944 case 2: 1945 case 1: 1946 if ((ppd->pp_acc_size & sizemask) == 0) 1947 return (IOC_INVAL); 1948 break; 1949 } 1950 1951 if ((ppd->pp_acc_offset % ppd->pp_acc_size) != 0) 1952 return (IOC_INVAL); 1953 1954 if (ppd->pp_acc_offset >= maxoff) 1955 return (IOC_INVAL); 1956 1957 if (ppd->pp_acc_offset+ppd->pp_acc_size > maxoff) 1958 return (IOC_INVAL); 1959 1960 /* 1961 * All OK - go do it! 1962 */ 1963 ppd->pp_acc_offset += mem_va; 1964 (*ppfn)(rgep, ppd); 1965 return (peek ? IOC_REPLY : IOC_ACK); 1966 } 1967 1968 static enum ioc_reply rge_diag_ioctl(rge_t *rgep, int cmd, mblk_t *mp, 1969 struct iocblk *iocp); 1970 #pragma no_inline(rge_diag_ioctl) 1971 1972 static enum ioc_reply 1973 rge_diag_ioctl(rge_t *rgep, int cmd, mblk_t *mp, struct iocblk *iocp) 1974 { 1975 ASSERT(mutex_owned(rgep->genlock)); 1976 1977 switch (cmd) { 1978 default: 1979 /* NOTREACHED */ 1980 rge_error(rgep, "rge_diag_ioctl: invalid cmd 0x%x", cmd); 1981 return (IOC_INVAL); 1982 1983 case RGE_DIAG: 1984 /* 1985 * Currently a no-op 1986 */ 1987 return (IOC_ACK); 1988 1989 case RGE_PEEK: 1990 case RGE_POKE: 1991 return (rge_pp_ioctl(rgep, cmd, mp, iocp)); 1992 1993 case RGE_PHY_RESET: 1994 return (IOC_RESTART_ACK); 1995 1996 case RGE_SOFT_RESET: 1997 case RGE_HARD_RESET: 1998 /* 1999 * Reset and reinitialise the 570x hardware 2000 */ 2001 rge_restart(rgep); 2002 return (IOC_ACK); 2003 } 2004 2005 /* NOTREACHED */ 2006 } 2007 2008 #endif /* RGE_DEBUGGING || RGE_DO_PPIO */ 2009 2010 static enum ioc_reply rge_mii_ioctl(rge_t *rgep, int cmd, mblk_t *mp, 2011 struct iocblk *iocp); 2012 #pragma no_inline(rge_mii_ioctl) 2013 2014 static enum ioc_reply 2015 rge_mii_ioctl(rge_t *rgep, int cmd, mblk_t *mp, struct iocblk *iocp) 2016 { 2017 struct rge_mii_rw *miirwp; 2018 2019 /* 2020 * Validate format of ioctl 2021 */ 2022 if (iocp->ioc_count != sizeof (struct rge_mii_rw)) 2023 return (IOC_INVAL); 2024 if (mp->b_cont == NULL) 2025 return (IOC_INVAL); 2026 miirwp = (struct rge_mii_rw *)mp->b_cont->b_rptr; 2027 2028 /* 2029 * Validate request parameters ... 2030 */ 2031 if (miirwp->mii_reg > MII_MAXREG) 2032 return (IOC_INVAL); 2033 2034 switch (cmd) { 2035 default: 2036 /* NOTREACHED */ 2037 rge_error(rgep, "rge_mii_ioctl: invalid cmd 0x%x", cmd); 2038 return (IOC_INVAL); 2039 2040 case RGE_MII_READ: 2041 miirwp->mii_data = rge_mii_get16(rgep, miirwp->mii_reg); 2042 return (IOC_REPLY); 2043 2044 case RGE_MII_WRITE: 2045 rge_mii_put16(rgep, miirwp->mii_reg, miirwp->mii_data); 2046 return (IOC_ACK); 2047 } 2048 2049 /* NOTREACHED */ 2050 } 2051 2052 enum ioc_reply rge_chip_ioctl(rge_t *rgep, queue_t *wq, mblk_t *mp, 2053 struct iocblk *iocp); 2054 #pragma no_inline(rge_chip_ioctl) 2055 2056 enum ioc_reply 2057 rge_chip_ioctl(rge_t *rgep, queue_t *wq, mblk_t *mp, struct iocblk *iocp) 2058 { 2059 int cmd; 2060 2061 RGE_TRACE(("rge_chip_ioctl($%p, $%p, $%p, $%p)", 2062 (void *)rgep, (void *)wq, (void *)mp, (void *)iocp)); 2063 2064 ASSERT(mutex_owned(rgep->genlock)); 2065 2066 cmd = iocp->ioc_cmd; 2067 switch (cmd) { 2068 default: 2069 /* NOTREACHED */ 2070 rge_error(rgep, "rge_chip_ioctl: invalid cmd 0x%x", cmd); 2071 return (IOC_INVAL); 2072 2073 case RGE_DIAG: 2074 case RGE_PEEK: 2075 case RGE_POKE: 2076 case RGE_PHY_RESET: 2077 case RGE_SOFT_RESET: 2078 case RGE_HARD_RESET: 2079 #if RGE_DEBUGGING || RGE_DO_PPIO 2080 return (rge_diag_ioctl(rgep, cmd, mp, iocp)); 2081 #else 2082 return (IOC_INVAL); 2083 #endif /* RGE_DEBUGGING || RGE_DO_PPIO */ 2084 2085 case RGE_MII_READ: 2086 case RGE_MII_WRITE: 2087 return (rge_mii_ioctl(rgep, cmd, mp, iocp)); 2088 2089 } 2090 2091 /* NOTREACHED */ 2092 } 2093