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 2010 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 << 5; 46 static uint32_t rge_rx_watchdog_count = 1 << 3; 47 48 /* 49 * Operating register get/set access routines 50 */ 51 52 static uint32_t rge_reg_get32(rge_t *rgep, uintptr_t regno); 53 #pragma inline(rge_reg_get32) 54 55 static uint32_t 56 rge_reg_get32(rge_t *rgep, uintptr_t regno) 57 { 58 RGE_TRACE(("rge_reg_get32($%p, 0x%lx)", 59 (void *)rgep, regno)); 60 61 return (ddi_get32(rgep->io_handle, REG32(rgep, regno))); 62 } 63 64 static void rge_reg_put32(rge_t *rgep, uintptr_t regno, uint32_t data); 65 #pragma inline(rge_reg_put32) 66 67 static void 68 rge_reg_put32(rge_t *rgep, uintptr_t regno, uint32_t data) 69 { 70 RGE_TRACE(("rge_reg_put32($%p, 0x%lx, 0x%x)", 71 (void *)rgep, regno, data)); 72 73 ddi_put32(rgep->io_handle, REG32(rgep, regno), data); 74 } 75 76 static void rge_reg_set32(rge_t *rgep, uintptr_t regno, uint32_t bits); 77 #pragma inline(rge_reg_set32) 78 79 static void 80 rge_reg_set32(rge_t *rgep, uintptr_t regno, uint32_t bits) 81 { 82 uint32_t regval; 83 84 RGE_TRACE(("rge_reg_set32($%p, 0x%lx, 0x%x)", 85 (void *)rgep, regno, bits)); 86 87 regval = rge_reg_get32(rgep, regno); 88 regval |= bits; 89 rge_reg_put32(rgep, regno, regval); 90 } 91 92 static void rge_reg_clr32(rge_t *rgep, uintptr_t regno, uint32_t bits); 93 #pragma inline(rge_reg_clr32) 94 95 static void 96 rge_reg_clr32(rge_t *rgep, uintptr_t regno, uint32_t bits) 97 { 98 uint32_t regval; 99 100 RGE_TRACE(("rge_reg_clr32($%p, 0x%lx, 0x%x)", 101 (void *)rgep, regno, bits)); 102 103 regval = rge_reg_get32(rgep, regno); 104 regval &= ~bits; 105 rge_reg_put32(rgep, regno, regval); 106 } 107 108 static uint16_t rge_reg_get16(rge_t *rgep, uintptr_t regno); 109 #pragma inline(rge_reg_get16) 110 111 static uint16_t 112 rge_reg_get16(rge_t *rgep, uintptr_t regno) 113 { 114 RGE_TRACE(("rge_reg_get16($%p, 0x%lx)", 115 (void *)rgep, regno)); 116 117 return (ddi_get16(rgep->io_handle, REG16(rgep, regno))); 118 } 119 120 static void rge_reg_put16(rge_t *rgep, uintptr_t regno, uint16_t data); 121 #pragma inline(rge_reg_put16) 122 123 static void 124 rge_reg_put16(rge_t *rgep, uintptr_t regno, uint16_t data) 125 { 126 RGE_TRACE(("rge_reg_put16($%p, 0x%lx, 0x%x)", 127 (void *)rgep, regno, data)); 128 129 ddi_put16(rgep->io_handle, REG16(rgep, regno), data); 130 } 131 132 static uint8_t rge_reg_get8(rge_t *rgep, uintptr_t regno); 133 #pragma inline(rge_reg_get8) 134 135 static uint8_t 136 rge_reg_get8(rge_t *rgep, uintptr_t regno) 137 { 138 RGE_TRACE(("rge_reg_get8($%p, 0x%lx)", 139 (void *)rgep, regno)); 140 141 return (ddi_get8(rgep->io_handle, REG8(rgep, regno))); 142 } 143 144 static void rge_reg_put8(rge_t *rgep, uintptr_t regno, uint8_t data); 145 #pragma inline(rge_reg_put8) 146 147 static void 148 rge_reg_put8(rge_t *rgep, uintptr_t regno, uint8_t data) 149 { 150 RGE_TRACE(("rge_reg_put8($%p, 0x%lx, 0x%x)", 151 (void *)rgep, regno, data)); 152 153 ddi_put8(rgep->io_handle, REG8(rgep, regno), data); 154 } 155 156 static void rge_reg_set8(rge_t *rgep, uintptr_t regno, uint8_t bits); 157 #pragma inline(rge_reg_set8) 158 159 static void 160 rge_reg_set8(rge_t *rgep, uintptr_t regno, uint8_t bits) 161 { 162 uint8_t regval; 163 164 RGE_TRACE(("rge_reg_set8($%p, 0x%lx, 0x%x)", 165 (void *)rgep, regno, bits)); 166 167 regval = rge_reg_get8(rgep, regno); 168 regval |= bits; 169 rge_reg_put8(rgep, regno, regval); 170 } 171 172 static void rge_reg_clr8(rge_t *rgep, uintptr_t regno, uint8_t bits); 173 #pragma inline(rge_reg_clr8) 174 175 static void 176 rge_reg_clr8(rge_t *rgep, uintptr_t regno, uint8_t bits) 177 { 178 uint8_t regval; 179 180 RGE_TRACE(("rge_reg_clr8($%p, 0x%lx, 0x%x)", 181 (void *)rgep, regno, bits)); 182 183 regval = rge_reg_get8(rgep, regno); 184 regval &= ~bits; 185 rge_reg_put8(rgep, regno, regval); 186 } 187 188 uint16_t rge_mii_get16(rge_t *rgep, uintptr_t mii); 189 #pragma no_inline(rge_mii_get16) 190 191 uint16_t 192 rge_mii_get16(rge_t *rgep, uintptr_t mii) 193 { 194 uint32_t regval; 195 uint32_t val32; 196 uint32_t i; 197 198 regval = (mii & PHY_REG_MASK) << PHY_REG_SHIFT; 199 rge_reg_put32(rgep, PHY_ACCESS_REG, regval); 200 201 /* 202 * Waiting for PHY reading OK 203 */ 204 for (i = 0; i < PHY_RESET_LOOP; i++) { 205 drv_usecwait(1000); 206 val32 = rge_reg_get32(rgep, PHY_ACCESS_REG); 207 if (val32 & PHY_ACCESS_WR_FLAG) 208 return ((uint16_t)(val32 & 0xffff)); 209 } 210 211 RGE_REPORT((rgep, "rge_mii_get16(0x%x) fail, val = %x", mii, val32)); 212 return ((uint16_t)~0u); 213 } 214 215 void rge_mii_put16(rge_t *rgep, uintptr_t mii, uint16_t data); 216 #pragma no_inline(rge_mii_put16) 217 218 void 219 rge_mii_put16(rge_t *rgep, uintptr_t mii, uint16_t data) 220 { 221 uint32_t regval; 222 uint32_t val32; 223 uint32_t i; 224 225 regval = (mii & PHY_REG_MASK) << PHY_REG_SHIFT; 226 regval |= data & PHY_DATA_MASK; 227 regval |= PHY_ACCESS_WR_FLAG; 228 rge_reg_put32(rgep, PHY_ACCESS_REG, regval); 229 230 /* 231 * Waiting for PHY writing OK 232 */ 233 for (i = 0; i < PHY_RESET_LOOP; i++) { 234 drv_usecwait(1000); 235 val32 = rge_reg_get32(rgep, PHY_ACCESS_REG); 236 if (!(val32 & PHY_ACCESS_WR_FLAG)) 237 return; 238 } 239 RGE_REPORT((rgep, "rge_mii_put16(0x%lx, 0x%x) fail", 240 mii, data)); 241 } 242 243 void rge_ephy_put16(rge_t *rgep, uintptr_t emii, uint16_t data); 244 #pragma no_inline(rge_ephy_put16) 245 246 void 247 rge_ephy_put16(rge_t *rgep, uintptr_t emii, uint16_t data) 248 { 249 uint32_t regval; 250 uint32_t val32; 251 uint32_t i; 252 253 regval = (emii & EPHY_REG_MASK) << EPHY_REG_SHIFT; 254 regval |= data & EPHY_DATA_MASK; 255 regval |= EPHY_ACCESS_WR_FLAG; 256 rge_reg_put32(rgep, EPHY_ACCESS_REG, regval); 257 258 /* 259 * Waiting for PHY writing OK 260 */ 261 for (i = 0; i < PHY_RESET_LOOP; i++) { 262 drv_usecwait(1000); 263 val32 = rge_reg_get32(rgep, EPHY_ACCESS_REG); 264 if (!(val32 & EPHY_ACCESS_WR_FLAG)) 265 return; 266 } 267 RGE_REPORT((rgep, "rge_ephy_put16(0x%lx, 0x%x) fail", 268 emii, data)); 269 } 270 271 /* 272 * Atomically shift a 32-bit word left, returning 273 * the value it had *before* the shift was applied 274 */ 275 static uint32_t rge_atomic_shl32(uint32_t *sp, uint_t count); 276 #pragma inline(rge_mii_put16) 277 278 static uint32_t 279 rge_atomic_shl32(uint32_t *sp, uint_t count) 280 { 281 uint32_t oldval; 282 uint32_t newval; 283 284 /* ATOMICALLY */ 285 do { 286 oldval = *sp; 287 newval = oldval << count; 288 } while (cas32(sp, oldval, newval) != oldval); 289 290 return (oldval); 291 } 292 293 /* 294 * PHY operation routines 295 */ 296 #if RGE_DEBUGGING 297 298 void 299 rge_phydump(rge_t *rgep) 300 { 301 uint16_t regs[32]; 302 int i; 303 304 ASSERT(mutex_owned(rgep->genlock)); 305 306 for (i = 0; i < 32; ++i) { 307 regs[i] = rge_mii_get16(rgep, i); 308 } 309 310 for (i = 0; i < 32; i += 8) 311 RGE_DEBUG(("rge_phydump: " 312 "0x%04x %04x %04x %04x %04x %04x %04x %04x", 313 regs[i+0], regs[i+1], regs[i+2], regs[i+3], 314 regs[i+4], regs[i+5], regs[i+6], regs[i+7])); 315 } 316 317 #endif /* RGE_DEBUGGING */ 318 319 static void 320 rge_phy_check(rge_t *rgep) 321 { 322 uint16_t gig_ctl; 323 324 if (rgep->param_link_up == LINK_STATE_DOWN) { 325 /* 326 * RTL8169S/8110S PHY has the "PCS bug". Need reset PHY 327 * every 15 seconds whin link down & advertise is 1000. 328 */ 329 if (rgep->chipid.phy_ver == PHY_VER_S) { 330 gig_ctl = rge_mii_get16(rgep, MII_1000BASE_T_CONTROL); 331 if (gig_ctl & MII_1000BT_CTL_ADV_FDX) { 332 rgep->link_down_count++; 333 if (rgep->link_down_count > 15) { 334 (void) rge_phy_reset(rgep); 335 rgep->stats.phy_reset++; 336 rgep->link_down_count = 0; 337 } 338 } 339 } 340 } else { 341 rgep->link_down_count = 0; 342 } 343 } 344 345 /* 346 * Basic low-level function to reset the PHY. 347 * Doesn't incorporate any special-case workarounds. 348 * 349 * Returns TRUE on success, FALSE if the RESET bit doesn't clear 350 */ 351 boolean_t 352 rge_phy_reset(rge_t *rgep) 353 { 354 uint16_t control; 355 uint_t count; 356 357 /* 358 * Set the PHY RESET bit, then wait up to 5 ms for it to self-clear 359 */ 360 control = rge_mii_get16(rgep, MII_CONTROL); 361 rge_mii_put16(rgep, MII_CONTROL, control | MII_CONTROL_RESET); 362 for (count = 0; count < 5; count++) { 363 drv_usecwait(100); 364 control = rge_mii_get16(rgep, MII_CONTROL); 365 if (BIC(control, MII_CONTROL_RESET)) 366 return (B_TRUE); 367 } 368 369 RGE_REPORT((rgep, "rge_phy_reset: FAILED, control now 0x%x", control)); 370 return (B_FALSE); 371 } 372 373 /* 374 * Synchronise the PHY's speed/duplex/autonegotiation capabilities 375 * and advertisements with the required settings as specified by the various 376 * param_* variables that can be poked via the NDD interface. 377 * 378 * We always reset the PHY and reprogram *all* the relevant registers, 379 * not just those changed. This should cause the link to go down, and then 380 * back up again once the link is stable and autonegotiation (if enabled) 381 * is complete. We should get a link state change interrupt somewhere along 382 * the way ... 383 * 384 * NOTE: <genlock> must already be held by the caller 385 */ 386 void 387 rge_phy_update(rge_t *rgep) 388 { 389 boolean_t adv_autoneg; 390 boolean_t adv_pause; 391 boolean_t adv_asym_pause; 392 boolean_t adv_1000fdx; 393 boolean_t adv_1000hdx; 394 boolean_t adv_100fdx; 395 boolean_t adv_100hdx; 396 boolean_t adv_10fdx; 397 boolean_t adv_10hdx; 398 399 uint16_t control; 400 uint16_t gigctrl; 401 uint16_t anar; 402 403 ASSERT(mutex_owned(rgep->genlock)); 404 405 RGE_DEBUG(("rge_phy_update: autoneg %d " 406 "pause %d asym_pause %d " 407 "1000fdx %d 1000hdx %d " 408 "100fdx %d 100hdx %d " 409 "10fdx %d 10hdx %d ", 410 rgep->param_adv_autoneg, 411 rgep->param_adv_pause, rgep->param_adv_asym_pause, 412 rgep->param_adv_1000fdx, rgep->param_adv_1000hdx, 413 rgep->param_adv_100fdx, rgep->param_adv_100hdx, 414 rgep->param_adv_10fdx, rgep->param_adv_10hdx)); 415 416 control = gigctrl = anar = 0; 417 418 /* 419 * PHY settings are normally based on the param_* variables, 420 * but if any loopback mode is in effect, that takes precedence. 421 * 422 * RGE supports MAC-internal loopback, PHY-internal loopback, 423 * and External loopback at a variety of speeds (with a special 424 * cable). In all cases, autoneg is turned OFF, full-duplex 425 * is turned ON, and the speed/mastership is forced. 426 */ 427 switch (rgep->param_loop_mode) { 428 case RGE_LOOP_NONE: 429 default: 430 adv_autoneg = rgep->param_adv_autoneg; 431 adv_pause = rgep->param_adv_pause; 432 adv_asym_pause = rgep->param_adv_asym_pause; 433 adv_1000fdx = rgep->param_adv_1000fdx; 434 adv_1000hdx = rgep->param_adv_1000hdx; 435 adv_100fdx = rgep->param_adv_100fdx; 436 adv_100hdx = rgep->param_adv_100hdx; 437 adv_10fdx = rgep->param_adv_10fdx; 438 adv_10hdx = rgep->param_adv_10hdx; 439 break; 440 441 case RGE_LOOP_INTERNAL_PHY: 442 case RGE_LOOP_INTERNAL_MAC: 443 adv_autoneg = adv_pause = adv_asym_pause = B_FALSE; 444 adv_1000fdx = adv_100fdx = adv_10fdx = B_FALSE; 445 adv_1000hdx = adv_100hdx = adv_10hdx = B_FALSE; 446 rgep->param_link_duplex = LINK_DUPLEX_FULL; 447 448 switch (rgep->param_loop_mode) { 449 case RGE_LOOP_INTERNAL_PHY: 450 if (rgep->chipid.mac_ver != MAC_VER_8101E) { 451 rgep->param_link_speed = 1000; 452 adv_1000fdx = B_TRUE; 453 } else { 454 rgep->param_link_speed = 100; 455 adv_100fdx = B_TRUE; 456 } 457 control = MII_CONTROL_LOOPBACK; 458 break; 459 460 case RGE_LOOP_INTERNAL_MAC: 461 if (rgep->chipid.mac_ver != MAC_VER_8101E) { 462 rgep->param_link_speed = 1000; 463 adv_1000fdx = B_TRUE; 464 } else { 465 rgep->param_link_speed = 100; 466 adv_100fdx = B_TRUE; 467 break; 468 } 469 } 470 471 RGE_DEBUG(("rge_phy_update: autoneg %d " 472 "pause %d asym_pause %d " 473 "1000fdx %d 1000hdx %d " 474 "100fdx %d 100hdx %d " 475 "10fdx %d 10hdx %d ", 476 adv_autoneg, 477 adv_pause, adv_asym_pause, 478 adv_1000fdx, adv_1000hdx, 479 adv_100fdx, adv_100hdx, 480 adv_10fdx, adv_10hdx)); 481 482 /* 483 * We should have at least one technology capability set; 484 * if not, we select a default of 1000Mb/s full-duplex 485 */ 486 if (!adv_1000fdx && !adv_100fdx && !adv_10fdx && 487 !adv_1000hdx && !adv_100hdx && !adv_10hdx) { 488 if (rgep->chipid.mac_ver != MAC_VER_8101E) 489 adv_1000fdx = B_TRUE; 490 } else { 491 adv_1000fdx = B_FALSE; 492 adv_100fdx = B_TRUE; 493 } 494 } 495 496 /* 497 * Now transform the adv_* variables into the proper settings 498 * of the PHY registers ... 499 * 500 * If autonegotiation is (now) enabled, we want to trigger 501 * a new autonegotiation cycle once the PHY has been 502 * programmed with the capabilities to be advertised. 503 * 504 * RTL8169/8110 doesn't support 1000Mb/s half-duplex. 505 */ 506 if (adv_autoneg) 507 control |= MII_CONTROL_ANE|MII_CONTROL_RSAN; 508 509 if (adv_1000fdx) 510 control |= MII_CONTROL_1GB|MII_CONTROL_FDUPLEX; 511 else if (adv_1000hdx) 512 control |= MII_CONTROL_1GB; 513 else if (adv_100fdx) 514 control |= MII_CONTROL_100MB|MII_CONTROL_FDUPLEX; 515 else if (adv_100hdx) 516 control |= MII_CONTROL_100MB; 517 else if (adv_10fdx) 518 control |= MII_CONTROL_FDUPLEX; 519 else if (adv_10hdx) 520 control |= 0; 521 else 522 { _NOTE(EMPTY); } /* Can't get here anyway ... */ 523 524 if (adv_1000fdx) { 525 gigctrl |= MII_1000BT_CTL_ADV_FDX; 526 /* 527 * Chipset limitation: need set other capabilities to true 528 */ 529 if (rgep->chipid.is_pcie) 530 adv_1000hdx = B_TRUE; 531 adv_100fdx = B_TRUE; 532 adv_100hdx = B_TRUE; 533 adv_10fdx = B_TRUE; 534 adv_10hdx = B_TRUE; 535 } 536 537 if (adv_1000hdx) 538 gigctrl |= MII_1000BT_CTL_ADV_HDX; 539 540 if (adv_100fdx) 541 anar |= MII_ABILITY_100BASE_TX_FD; 542 if (adv_100hdx) 543 anar |= MII_ABILITY_100BASE_TX; 544 if (adv_10fdx) 545 anar |= MII_ABILITY_10BASE_T_FD; 546 if (adv_10hdx) 547 anar |= MII_ABILITY_10BASE_T; 548 549 if (adv_pause) 550 anar |= MII_ABILITY_PAUSE; 551 if (adv_asym_pause) 552 anar |= MII_ABILITY_ASMPAUSE; 553 554 /* 555 * Munge in any other fixed bits we require ... 556 */ 557 anar |= MII_AN_SELECTOR_8023; 558 559 /* 560 * Restart the PHY and write the new values. Note the 561 * time, so that we can say whether subsequent link state 562 * changes can be attributed to our reprogramming the PHY 563 */ 564 rge_phy_init(rgep); 565 if (rgep->chipid.mac_ver == MAC_VER_8168B_B || 566 rgep->chipid.mac_ver == MAC_VER_8168B_C) { 567 /* power up PHY for RTL8168B chipset */ 568 rge_mii_put16(rgep, PHY_1F_REG, 0x0000); 569 rge_mii_put16(rgep, PHY_0E_REG, 0x0000); 570 rge_mii_put16(rgep, PHY_1F_REG, 0x0000); 571 } 572 rge_mii_put16(rgep, MII_AN_ADVERT, anar); 573 rge_mii_put16(rgep, MII_1000BASE_T_CONTROL, gigctrl); 574 rge_mii_put16(rgep, MII_CONTROL, control); 575 576 RGE_DEBUG(("rge_phy_update: anar <- 0x%x", anar)); 577 RGE_DEBUG(("rge_phy_update: control <- 0x%x", control)); 578 RGE_DEBUG(("rge_phy_update: gigctrl <- 0x%x", gigctrl)); 579 } 580 581 void rge_phy_init(rge_t *rgep); 582 #pragma no_inline(rge_phy_init) 583 584 void 585 rge_phy_init(rge_t *rgep) 586 { 587 rgep->phy_mii_addr = 1; 588 589 /* 590 * Below phy config steps are copied from the Programming Guide 591 * (there's no detail comments for these steps.) 592 */ 593 switch (rgep->chipid.mac_ver) { 594 case MAC_VER_8169S_D: 595 case MAC_VER_8169S_E : 596 rge_mii_put16(rgep, PHY_1F_REG, 0x0001); 597 rge_mii_put16(rgep, PHY_15_REG, 0x1000); 598 rge_mii_put16(rgep, PHY_18_REG, 0x65c7); 599 rge_mii_put16(rgep, PHY_ANAR_REG, 0x0000); 600 rge_mii_put16(rgep, PHY_ID_REG_2, 0x00a1); 601 rge_mii_put16(rgep, PHY_ID_REG_1, 0x0008); 602 rge_mii_put16(rgep, PHY_BMSR_REG, 0x1020); 603 rge_mii_put16(rgep, PHY_BMCR_REG, 0x1000); 604 rge_mii_put16(rgep, PHY_ANAR_REG, 0x0800); 605 rge_mii_put16(rgep, PHY_ANAR_REG, 0x0000); 606 rge_mii_put16(rgep, PHY_ANAR_REG, 0x7000); 607 rge_mii_put16(rgep, PHY_ID_REG_2, 0xff41); 608 rge_mii_put16(rgep, PHY_ID_REG_1, 0xde60); 609 rge_mii_put16(rgep, PHY_BMSR_REG, 0x0140); 610 rge_mii_put16(rgep, PHY_BMCR_REG, 0x0077); 611 rge_mii_put16(rgep, PHY_ANAR_REG, 0x7800); 612 rge_mii_put16(rgep, PHY_ANAR_REG, 0x7000); 613 rge_mii_put16(rgep, PHY_ANAR_REG, 0xa000); 614 rge_mii_put16(rgep, PHY_ID_REG_2, 0xdf01); 615 rge_mii_put16(rgep, PHY_ID_REG_1, 0xdf20); 616 rge_mii_put16(rgep, PHY_BMSR_REG, 0xff95); 617 rge_mii_put16(rgep, PHY_BMCR_REG, 0xfa00); 618 rge_mii_put16(rgep, PHY_ANAR_REG, 0xa800); 619 rge_mii_put16(rgep, PHY_ANAR_REG, 0xa000); 620 rge_mii_put16(rgep, PHY_ANAR_REG, 0xb000); 621 rge_mii_put16(rgep, PHY_ID_REG_2, 0xff41); 622 rge_mii_put16(rgep, PHY_ID_REG_1, 0xde20); 623 rge_mii_put16(rgep, PHY_BMSR_REG, 0x0140); 624 rge_mii_put16(rgep, PHY_BMCR_REG, 0x00bb); 625 rge_mii_put16(rgep, PHY_ANAR_REG, 0xb800); 626 rge_mii_put16(rgep, PHY_ANAR_REG, 0xb000); 627 rge_mii_put16(rgep, PHY_ANAR_REG, 0xf000); 628 rge_mii_put16(rgep, PHY_ID_REG_2, 0xdf01); 629 rge_mii_put16(rgep, PHY_ID_REG_1, 0xdf20); 630 rge_mii_put16(rgep, PHY_BMSR_REG, 0xff95); 631 rge_mii_put16(rgep, PHY_BMCR_REG, 0xbf00); 632 rge_mii_put16(rgep, PHY_ANAR_REG, 0xf800); 633 rge_mii_put16(rgep, PHY_ANAR_REG, 0xf000); 634 rge_mii_put16(rgep, PHY_ANAR_REG, 0x0000); 635 rge_mii_put16(rgep, PHY_1F_REG, 0x0000); 636 rge_mii_put16(rgep, PHY_0B_REG, 0x0000); 637 break; 638 639 case MAC_VER_8169SB: 640 rge_mii_put16(rgep, PHY_1F_REG, 0x0001); 641 rge_mii_put16(rgep, PHY_1B_REG, 0xD41E); 642 rge_mii_put16(rgep, PHY_0E_REG, 0x7bff); 643 rge_mii_put16(rgep, PHY_GBCR_REG, GBCR_DEFAULT); 644 rge_mii_put16(rgep, PHY_1F_REG, 0x0002); 645 rge_mii_put16(rgep, PHY_BMSR_REG, 0x90D0); 646 rge_mii_put16(rgep, PHY_1F_REG, 0x0000); 647 break; 648 649 case MAC_VER_8169SC: 650 rge_mii_put16(rgep, PHY_1F_REG, 0x0001); 651 rge_mii_put16(rgep, PHY_ANER_REG, 0x0078); 652 rge_mii_put16(rgep, PHY_ANNPRR_REG, 0x05dc); 653 rge_mii_put16(rgep, PHY_GBCR_REG, 0x2672); 654 rge_mii_put16(rgep, PHY_GBSR_REG, 0x6a14); 655 rge_mii_put16(rgep, PHY_0B_REG, 0x7cb0); 656 rge_mii_put16(rgep, PHY_0C_REG, 0xdb80); 657 rge_mii_put16(rgep, PHY_1B_REG, 0xc414); 658 rge_mii_put16(rgep, PHY_1C_REG, 0xef03); 659 rge_mii_put16(rgep, PHY_1D_REG, 0x3dc8); 660 rge_mii_put16(rgep, PHY_1F_REG, 0x0003); 661 rge_mii_put16(rgep, PHY_13_REG, 0x0600); 662 rge_mii_put16(rgep, PHY_1F_REG, 0x0000); 663 break; 664 665 case MAC_VER_8168: 666 rge_mii_put16(rgep, PHY_1F_REG, 0x0001); 667 rge_mii_put16(rgep, PHY_ANER_REG, 0x00aa); 668 rge_mii_put16(rgep, PHY_ANNPTR_REG, 0x3173); 669 rge_mii_put16(rgep, PHY_ANNPRR_REG, 0x08fc); 670 rge_mii_put16(rgep, PHY_GBCR_REG, 0xe2d0); 671 rge_mii_put16(rgep, PHY_0B_REG, 0x941a); 672 rge_mii_put16(rgep, PHY_18_REG, 0x65fe); 673 rge_mii_put16(rgep, PHY_1C_REG, 0x1e02); 674 rge_mii_put16(rgep, PHY_1F_REG, 0x0002); 675 rge_mii_put16(rgep, PHY_ANNPTR_REG, 0x103e); 676 rge_mii_put16(rgep, PHY_1F_REG, 0x0000); 677 break; 678 679 case MAC_VER_8168B_B: 680 case MAC_VER_8168B_C: 681 rge_mii_put16(rgep, PHY_1F_REG, 0x0001); 682 rge_mii_put16(rgep, PHY_0B_REG, 0x94b0); 683 rge_mii_put16(rgep, PHY_1B_REG, 0xc416); 684 rge_mii_put16(rgep, PHY_1F_REG, 0x0003); 685 rge_mii_put16(rgep, PHY_12_REG, 0x6096); 686 rge_mii_put16(rgep, PHY_1F_REG, 0x0000); 687 break; 688 } 689 } 690 691 void rge_chip_ident(rge_t *rgep); 692 #pragma no_inline(rge_chip_ident) 693 694 void 695 rge_chip_ident(rge_t *rgep) 696 { 697 chip_id_t *chip = &rgep->chipid; 698 uint32_t val32; 699 uint16_t val16; 700 701 /* 702 * Read and record MAC version 703 */ 704 val32 = rge_reg_get32(rgep, TX_CONFIG_REG); 705 val32 &= HW_VERSION_ID_0 | HW_VERSION_ID_1; 706 chip->mac_ver = val32; 707 chip->is_pcie = pci_lcap_locate(rgep->cfg_handle, 708 PCI_CAP_ID_PCI_E, &val16) == DDI_SUCCESS; 709 710 /* 711 * Workaround for 8101E_C 712 */ 713 if (chip->mac_ver == MAC_VER_8101E_C) { 714 chip->is_pcie = B_FALSE; 715 } 716 717 /* 718 * Read and record PHY version 719 */ 720 val16 = rge_mii_get16(rgep, PHY_ID_REG_2); 721 val16 &= PHY_VER_MASK; 722 chip->phy_ver = val16; 723 724 /* set pci latency timer */ 725 if (chip->mac_ver == MAC_VER_8169 || 726 chip->mac_ver == MAC_VER_8169S_D || 727 chip->mac_ver == MAC_VER_8169S_E || 728 chip->mac_ver == MAC_VER_8169SC) 729 pci_config_put8(rgep->cfg_handle, PCI_CONF_LATENCY_TIMER, 0x40); 730 731 if (chip->mac_ver == MAC_VER_8169SC) { 732 val16 = rge_reg_get16(rgep, RT_CONFIG_1_REG); 733 val16 &= 0x0300; 734 if (val16 == 0x1) /* 66Mhz PCI */ 735 rge_reg_put32(rgep, 0x7c, 0x000700ff); 736 else if (val16 == 0x0) /* 33Mhz PCI */ 737 rge_reg_put32(rgep, 0x7c, 0x0007ff00); 738 } 739 740 /* 741 * PCIE chipset require the Rx buffer start address must be 742 * 8-byte alignment and the Rx buffer size must be multiple of 8. 743 * We'll just use bcopy in receive procedure for the PCIE chipset. 744 */ 745 if (chip->is_pcie) { 746 rgep->chip_flags |= CHIP_FLAG_FORCE_BCOPY; 747 if (rgep->default_mtu > ETHERMTU) { 748 rge_notice(rgep, "Jumbo packets not supported " 749 "for this PCIE chipset"); 750 rgep->default_mtu = ETHERMTU; 751 } 752 } 753 if (rgep->chip_flags & CHIP_FLAG_FORCE_BCOPY) 754 rgep->head_room = 0; 755 else 756 rgep->head_room = RGE_HEADROOM; 757 758 /* 759 * Initialize other variables. 760 */ 761 if (rgep->default_mtu < ETHERMTU || rgep->default_mtu > RGE_JUMBO_MTU) 762 rgep->default_mtu = ETHERMTU; 763 if (rgep->default_mtu > ETHERMTU) { 764 rgep->rxbuf_size = RGE_BUFF_SIZE_JUMBO; 765 rgep->txbuf_size = RGE_BUFF_SIZE_JUMBO; 766 rgep->ethmax_size = RGE_JUMBO_SIZE; 767 } else { 768 rgep->rxbuf_size = RGE_BUFF_SIZE_STD; 769 rgep->txbuf_size = RGE_BUFF_SIZE_STD; 770 rgep->ethmax_size = ETHERMAX; 771 } 772 chip->rxconfig = RX_CONFIG_DEFAULT; 773 chip->txconfig = TX_CONFIG_DEFAULT; 774 775 /* interval to update statistics for polling mode */ 776 rgep->tick_delta = drv_usectohz(1000*1000/CLK_TICK); 777 778 /* ensure we are not in polling mode */ 779 rgep->curr_tick = ddi_get_lbolt() - 2*rgep->tick_delta; 780 RGE_TRACE(("%s: MAC version = %x, PHY version = %x", 781 rgep->ifname, chip->mac_ver, chip->phy_ver)); 782 } 783 784 /* 785 * Perform first-stage chip (re-)initialisation, using only config-space 786 * accesses: 787 * 788 * + Read the vendor/device/revision/subsystem/cache-line-size registers, 789 * returning the data in the structure pointed to by <idp>. 790 * + Enable Memory Space accesses. 791 * + Enable Bus Mastering according. 792 */ 793 void rge_chip_cfg_init(rge_t *rgep, chip_id_t *cidp); 794 #pragma no_inline(rge_chip_cfg_init) 795 796 void 797 rge_chip_cfg_init(rge_t *rgep, chip_id_t *cidp) 798 { 799 ddi_acc_handle_t handle; 800 uint16_t commd; 801 802 handle = rgep->cfg_handle; 803 804 /* 805 * Save PCI cache line size and subsystem vendor ID 806 */ 807 cidp->command = pci_config_get16(handle, PCI_CONF_COMM); 808 cidp->vendor = pci_config_get16(handle, PCI_CONF_VENID); 809 cidp->device = pci_config_get16(handle, PCI_CONF_DEVID); 810 cidp->subven = pci_config_get16(handle, PCI_CONF_SUBVENID); 811 cidp->subdev = pci_config_get16(handle, PCI_CONF_SUBSYSID); 812 cidp->revision = pci_config_get8(handle, PCI_CONF_REVID); 813 cidp->clsize = pci_config_get8(handle, PCI_CONF_CACHE_LINESZ); 814 cidp->latency = pci_config_get8(handle, PCI_CONF_LATENCY_TIMER); 815 816 /* 817 * Turn on Master Enable (DMA) and IO Enable bits. 818 * Enable PCI Memory Space accesses 819 */ 820 commd = cidp->command; 821 commd |= PCI_COMM_ME | PCI_COMM_MAE | PCI_COMM_IO; 822 pci_config_put16(handle, PCI_CONF_COMM, commd); 823 824 RGE_DEBUG(("rge_chip_cfg_init: vendor 0x%x device 0x%x revision 0x%x", 825 cidp->vendor, cidp->device, cidp->revision)); 826 RGE_DEBUG(("rge_chip_cfg_init: subven 0x%x subdev 0x%x", 827 cidp->subven, cidp->subdev)); 828 RGE_DEBUG(("rge_chip_cfg_init: clsize %d latency %d command 0x%x", 829 cidp->clsize, cidp->latency, cidp->command)); 830 } 831 832 int rge_chip_reset(rge_t *rgep); 833 #pragma no_inline(rge_chip_reset) 834 835 int 836 rge_chip_reset(rge_t *rgep) 837 { 838 int i; 839 uint8_t val8; 840 841 /* 842 * Chip should be in STOP state 843 */ 844 rge_reg_clr8(rgep, RT_COMMAND_REG, 845 RT_COMMAND_RX_ENABLE | RT_COMMAND_TX_ENABLE); 846 847 /* 848 * Disable interrupt 849 */ 850 rgep->int_mask = INT_MASK_NONE; 851 rge_reg_put16(rgep, INT_MASK_REG, rgep->int_mask); 852 853 /* 854 * Clear pended interrupt 855 */ 856 rge_reg_put16(rgep, INT_STATUS_REG, INT_MASK_ALL); 857 858 /* 859 * Reset chip 860 */ 861 rge_reg_set8(rgep, RT_COMMAND_REG, RT_COMMAND_RESET); 862 863 /* 864 * Wait for reset success 865 */ 866 for (i = 0; i < CHIP_RESET_LOOP; i++) { 867 drv_usecwait(10); 868 val8 = rge_reg_get8(rgep, RT_COMMAND_REG); 869 if (!(val8 & RT_COMMAND_RESET)) { 870 rgep->rge_chip_state = RGE_CHIP_RESET; 871 return (0); 872 } 873 } 874 RGE_REPORT((rgep, "rge_chip_reset fail.")); 875 return (-1); 876 } 877 878 void rge_chip_init(rge_t *rgep); 879 #pragma no_inline(rge_chip_init) 880 881 void 882 rge_chip_init(rge_t *rgep) 883 { 884 uint32_t val32; 885 uint32_t val16; 886 uint32_t *hashp; 887 chip_id_t *chip = &rgep->chipid; 888 889 /* 890 * Increase the threshold voltage of RX sensitivity 891 */ 892 if (chip->mac_ver == MAC_VER_8168B_B || 893 chip->mac_ver == MAC_VER_8168B_C || 894 chip->mac_ver == MAC_VER_8101E) { 895 rge_ephy_put16(rgep, 0x01, 0x1bd3); 896 } 897 898 if (chip->mac_ver == MAC_VER_8168 || 899 chip->mac_ver == MAC_VER_8168B_B) { 900 val16 = rge_reg_get8(rgep, PHY_STATUS_REG); 901 val16 = 0x12<<8 | val16; 902 rge_reg_put16(rgep, PHY_STATUS_REG, val16); 903 rge_reg_put32(rgep, RT_CSI_DATA_REG, 0x00021c01); 904 rge_reg_put32(rgep, RT_CSI_ACCESS_REG, 0x8000f088); 905 rge_reg_put32(rgep, RT_CSI_DATA_REG, 0x00004000); 906 rge_reg_put32(rgep, RT_CSI_ACCESS_REG, 0x8000f0b0); 907 rge_reg_put32(rgep, RT_CSI_ACCESS_REG, 0x0000f068); 908 val32 = rge_reg_get32(rgep, RT_CSI_DATA_REG); 909 val32 |= 0x7000; 910 val32 &= 0xffff5fff; 911 rge_reg_put32(rgep, RT_CSI_DATA_REG, val32); 912 rge_reg_put32(rgep, RT_CSI_ACCESS_REG, 0x8000f068); 913 } 914 915 /* 916 * Config MII register 917 */ 918 rgep->param_link_up = LINK_STATE_DOWN; 919 rge_phy_update(rgep); 920 921 /* 922 * Enable Rx checksum offload. 923 * Then for vlan support, we must enable receive vlan de-tagging. 924 * Otherwise, there'll be checksum error. 925 */ 926 val16 = rge_reg_get16(rgep, CPLUS_COMMAND_REG); 927 val16 |= RX_CKSM_OFFLOAD | RX_VLAN_DETAG; 928 if (chip->mac_ver == MAC_VER_8169S_D) { 929 val16 |= CPLUS_BIT14 | MUL_PCI_RW_ENABLE; 930 rge_reg_put8(rgep, RESV_82_REG, 0x01); 931 } 932 if (chip->mac_ver == MAC_VER_8169S_E || 933 chip->mac_ver == MAC_VER_8169SC) { 934 val16 |= MUL_PCI_RW_ENABLE; 935 } 936 rge_reg_put16(rgep, CPLUS_COMMAND_REG, val16 & (~0x03)); 937 938 /* 939 * Start transmit/receive before set tx/rx configuration register 940 */ 941 if (!chip->is_pcie) 942 rge_reg_set8(rgep, RT_COMMAND_REG, 943 RT_COMMAND_RX_ENABLE | RT_COMMAND_TX_ENABLE); 944 945 /* 946 * Set dump tally counter register 947 */ 948 val32 = rgep->dma_area_stats.cookie.dmac_laddress >> 32; 949 rge_reg_put32(rgep, DUMP_COUNTER_REG_1, val32); 950 val32 = rge_reg_get32(rgep, DUMP_COUNTER_REG_0); 951 val32 &= DUMP_COUNTER_REG_RESV; 952 val32 |= rgep->dma_area_stats.cookie.dmac_laddress; 953 rge_reg_put32(rgep, DUMP_COUNTER_REG_0, val32); 954 955 /* 956 * Change to config register write enable mode 957 */ 958 rge_reg_set8(rgep, RT_93c46_COMMOND_REG, RT_93c46_MODE_CONFIG); 959 960 /* 961 * Set Tx/Rx maximum packet size 962 */ 963 if (rgep->default_mtu > ETHERMTU) { 964 rge_reg_put8(rgep, TX_MAX_PKTSIZE_REG, TX_PKTSIZE_JUMBO); 965 rge_reg_put16(rgep, RX_MAX_PKTSIZE_REG, RX_PKTSIZE_JUMBO); 966 } else if (rgep->chipid.mac_ver != MAC_VER_8101E) { 967 rge_reg_put8(rgep, TX_MAX_PKTSIZE_REG, TX_PKTSIZE_STD); 968 rge_reg_put16(rgep, RX_MAX_PKTSIZE_REG, RX_PKTSIZE_STD); 969 } else { 970 rge_reg_put8(rgep, TX_MAX_PKTSIZE_REG, TX_PKTSIZE_STD_8101E); 971 rge_reg_put16(rgep, RX_MAX_PKTSIZE_REG, RX_PKTSIZE_STD_8101E); 972 } 973 974 /* 975 * Set receive configuration register 976 */ 977 val32 = rge_reg_get32(rgep, RX_CONFIG_REG); 978 val32 &= RX_CONFIG_REG_RESV; 979 if (rgep->promisc) 980 val32 |= RX_ACCEPT_ALL_PKT; 981 rge_reg_put32(rgep, RX_CONFIG_REG, val32 | chip->rxconfig); 982 983 /* 984 * Set transmit configuration register 985 */ 986 val32 = rge_reg_get32(rgep, TX_CONFIG_REG); 987 val32 &= TX_CONFIG_REG_RESV; 988 rge_reg_put32(rgep, TX_CONFIG_REG, val32 | chip->txconfig); 989 990 /* 991 * Set Tx/Rx descriptor register 992 */ 993 val32 = rgep->tx_desc.cookie.dmac_laddress; 994 rge_reg_put32(rgep, NORMAL_TX_RING_ADDR_LO_REG, val32); 995 val32 = rgep->tx_desc.cookie.dmac_laddress >> 32; 996 rge_reg_put32(rgep, NORMAL_TX_RING_ADDR_HI_REG, val32); 997 rge_reg_put32(rgep, HIGH_TX_RING_ADDR_LO_REG, 0); 998 rge_reg_put32(rgep, HIGH_TX_RING_ADDR_HI_REG, 0); 999 val32 = rgep->rx_desc.cookie.dmac_laddress; 1000 rge_reg_put32(rgep, RX_RING_ADDR_LO_REG, val32); 1001 val32 = rgep->rx_desc.cookie.dmac_laddress >> 32; 1002 rge_reg_put32(rgep, RX_RING_ADDR_HI_REG, val32); 1003 1004 /* 1005 * Suggested setting from Realtek 1006 */ 1007 if (rgep->chipid.mac_ver != MAC_VER_8101E) 1008 rge_reg_put16(rgep, RESV_E2_REG, 0x282a); 1009 else 1010 rge_reg_put16(rgep, RESV_E2_REG, 0x0000); 1011 1012 /* 1013 * Set multicast register 1014 */ 1015 hashp = (uint32_t *)rgep->mcast_hash; 1016 if (rgep->promisc) { 1017 rge_reg_put32(rgep, MULTICAST_0_REG, ~0U); 1018 rge_reg_put32(rgep, MULTICAST_4_REG, ~0U); 1019 } else { 1020 rge_reg_put32(rgep, MULTICAST_0_REG, RGE_BSWAP_32(hashp[0])); 1021 rge_reg_put32(rgep, MULTICAST_4_REG, RGE_BSWAP_32(hashp[1])); 1022 } 1023 1024 /* 1025 * Msic register setting: 1026 * -- Missed packet counter: clear it 1027 * -- TimerInt Register 1028 * -- Timer count register 1029 */ 1030 rge_reg_put32(rgep, RX_PKT_MISS_COUNT_REG, 0); 1031 rge_reg_put32(rgep, TIMER_INT_REG, TIMER_INT_NONE); 1032 rge_reg_put32(rgep, TIMER_COUNT_REG, 0); 1033 1034 /* 1035 * disable the Unicast Wakeup Frame capability 1036 */ 1037 rge_reg_clr8(rgep, RT_CONFIG_5_REG, RT_UNI_WAKE_FRAME); 1038 1039 /* 1040 * Return to normal network/host communication mode 1041 */ 1042 rge_reg_clr8(rgep, RT_93c46_COMMOND_REG, RT_93c46_MODE_CONFIG); 1043 drv_usecwait(20); 1044 } 1045 1046 /* 1047 * rge_chip_start() -- start the chip transmitting and/or receiving, 1048 * including enabling interrupts 1049 */ 1050 void rge_chip_start(rge_t *rgep); 1051 #pragma no_inline(rge_chip_start) 1052 1053 void 1054 rge_chip_start(rge_t *rgep) 1055 { 1056 /* 1057 * Clear statistics 1058 */ 1059 bzero(&rgep->stats, sizeof (rge_stats_t)); 1060 DMA_ZERO(rgep->dma_area_stats); 1061 1062 /* 1063 * Start transmit/receive 1064 */ 1065 rge_reg_set8(rgep, RT_COMMAND_REG, 1066 RT_COMMAND_RX_ENABLE | RT_COMMAND_TX_ENABLE); 1067 1068 /* 1069 * Enable interrupt 1070 */ 1071 rgep->int_mask = RGE_INT_MASK; 1072 if (rgep->chipid.is_pcie) { 1073 rgep->int_mask |= NO_TXDESC_INT; 1074 } 1075 rgep->rx_fifo_ovf = 0; 1076 rgep->int_mask |= RX_FIFO_OVERFLOW_INT; 1077 rge_reg_put16(rgep, INT_MASK_REG, rgep->int_mask); 1078 1079 /* 1080 * All done! 1081 */ 1082 rgep->rge_chip_state = RGE_CHIP_RUNNING; 1083 } 1084 1085 /* 1086 * rge_chip_stop() -- stop board receiving 1087 * 1088 * Since this function is also invoked by rge_quiesce(), it 1089 * must not block; also, no tracing or logging takes place 1090 * when invoked by rge_quiesce(). 1091 */ 1092 void rge_chip_stop(rge_t *rgep, boolean_t fault); 1093 #pragma no_inline(rge_chip_stop) 1094 1095 void 1096 rge_chip_stop(rge_t *rgep, boolean_t fault) 1097 { 1098 /* 1099 * Disable interrupt 1100 */ 1101 rgep->int_mask = INT_MASK_NONE; 1102 rge_reg_put16(rgep, INT_MASK_REG, rgep->int_mask); 1103 1104 /* 1105 * Clear pended interrupt 1106 */ 1107 if (!rgep->suspended) { 1108 rge_reg_put16(rgep, INT_STATUS_REG, INT_MASK_ALL); 1109 } 1110 1111 /* 1112 * Stop the board and disable transmit/receive 1113 */ 1114 rge_reg_clr8(rgep, RT_COMMAND_REG, 1115 RT_COMMAND_RX_ENABLE | RT_COMMAND_TX_ENABLE); 1116 1117 if (fault) 1118 rgep->rge_chip_state = RGE_CHIP_FAULT; 1119 else 1120 rgep->rge_chip_state = RGE_CHIP_STOPPED; 1121 } 1122 1123 /* 1124 * rge_get_mac_addr() -- get the MAC address on NIC 1125 */ 1126 static void rge_get_mac_addr(rge_t *rgep); 1127 #pragma inline(rge_get_mac_addr) 1128 1129 static void 1130 rge_get_mac_addr(rge_t *rgep) 1131 { 1132 uint8_t *macaddr = rgep->netaddr; 1133 uint32_t val32; 1134 1135 /* 1136 * Read first 4-byte of mac address 1137 */ 1138 val32 = rge_reg_get32(rgep, ID_0_REG); 1139 macaddr[0] = val32 & 0xff; 1140 val32 = val32 >> 8; 1141 macaddr[1] = val32 & 0xff; 1142 val32 = val32 >> 8; 1143 macaddr[2] = val32 & 0xff; 1144 val32 = val32 >> 8; 1145 macaddr[3] = val32 & 0xff; 1146 1147 /* 1148 * Read last 2-byte of mac address 1149 */ 1150 val32 = rge_reg_get32(rgep, ID_4_REG); 1151 macaddr[4] = val32 & 0xff; 1152 val32 = val32 >> 8; 1153 macaddr[5] = val32 & 0xff; 1154 } 1155 1156 static void rge_set_mac_addr(rge_t *rgep); 1157 #pragma inline(rge_set_mac_addr) 1158 1159 static void 1160 rge_set_mac_addr(rge_t *rgep) 1161 { 1162 uint8_t *p = rgep->netaddr; 1163 uint32_t val32; 1164 1165 /* 1166 * Change to config register write enable mode 1167 */ 1168 rge_reg_set8(rgep, RT_93c46_COMMOND_REG, RT_93c46_MODE_CONFIG); 1169 1170 /* 1171 * Get first 4 bytes of mac address 1172 */ 1173 val32 = p[3]; 1174 val32 = val32 << 8; 1175 val32 |= p[2]; 1176 val32 = val32 << 8; 1177 val32 |= p[1]; 1178 val32 = val32 << 8; 1179 val32 |= p[0]; 1180 1181 /* 1182 * Set first 4 bytes of mac address 1183 */ 1184 rge_reg_put32(rgep, ID_0_REG, val32); 1185 1186 /* 1187 * Get last 2 bytes of mac address 1188 */ 1189 val32 = p[5]; 1190 val32 = val32 << 8; 1191 val32 |= p[4]; 1192 1193 /* 1194 * Set last 2 bytes of mac address 1195 */ 1196 val32 |= rge_reg_get32(rgep, ID_4_REG) & ~0xffff; 1197 rge_reg_put32(rgep, ID_4_REG, val32); 1198 1199 /* 1200 * Return to normal network/host communication mode 1201 */ 1202 rge_reg_clr8(rgep, RT_93c46_COMMOND_REG, RT_93c46_MODE_CONFIG); 1203 } 1204 1205 static void rge_set_multi_addr(rge_t *rgep); 1206 #pragma inline(rge_set_multi_addr) 1207 1208 static void 1209 rge_set_multi_addr(rge_t *rgep) 1210 { 1211 uint32_t *hashp; 1212 1213 hashp = (uint32_t *)rgep->mcast_hash; 1214 1215 /* 1216 * Change to config register write enable mode 1217 */ 1218 if (rgep->chipid.mac_ver == MAC_VER_8169SC) { 1219 rge_reg_set8(rgep, RT_93c46_COMMOND_REG, RT_93c46_MODE_CONFIG); 1220 } 1221 if (rgep->promisc) { 1222 rge_reg_put32(rgep, MULTICAST_0_REG, ~0U); 1223 rge_reg_put32(rgep, MULTICAST_4_REG, ~0U); 1224 } else { 1225 rge_reg_put32(rgep, MULTICAST_0_REG, RGE_BSWAP_32(hashp[0])); 1226 rge_reg_put32(rgep, MULTICAST_4_REG, RGE_BSWAP_32(hashp[1])); 1227 } 1228 1229 /* 1230 * Return to normal network/host communication mode 1231 */ 1232 if (rgep->chipid.mac_ver == MAC_VER_8169SC) { 1233 rge_reg_clr8(rgep, RT_93c46_COMMOND_REG, RT_93c46_MODE_CONFIG); 1234 } 1235 } 1236 1237 static void rge_set_promisc(rge_t *rgep); 1238 #pragma inline(rge_set_promisc) 1239 1240 static void 1241 rge_set_promisc(rge_t *rgep) 1242 { 1243 if (rgep->promisc) 1244 rge_reg_set32(rgep, RX_CONFIG_REG, RX_ACCEPT_ALL_PKT); 1245 else 1246 rge_reg_clr32(rgep, RX_CONFIG_REG, RX_ACCEPT_ALL_PKT); 1247 } 1248 1249 /* 1250 * rge_chip_sync() -- program the chip with the unicast MAC address, 1251 * the multicast hash table, the required level of promiscuity, and 1252 * the current loopback mode ... 1253 */ 1254 void rge_chip_sync(rge_t *rgep, enum rge_sync_op todo); 1255 #pragma no_inline(rge_chip_sync) 1256 1257 void 1258 rge_chip_sync(rge_t *rgep, enum rge_sync_op todo) 1259 { 1260 switch (todo) { 1261 case RGE_GET_MAC: 1262 rge_get_mac_addr(rgep); 1263 break; 1264 case RGE_SET_MAC: 1265 /* Reprogram the unicast MAC address(es) ... */ 1266 rge_set_mac_addr(rgep); 1267 break; 1268 case RGE_SET_MUL: 1269 /* Reprogram the hashed multicast address table ... */ 1270 rge_set_multi_addr(rgep); 1271 break; 1272 case RGE_SET_PROMISC: 1273 /* Set or clear the PROMISCUOUS mode bit */ 1274 rge_set_multi_addr(rgep); 1275 rge_set_promisc(rgep); 1276 break; 1277 default: 1278 break; 1279 } 1280 } 1281 1282 void rge_chip_blank(void *arg, time_t ticks, uint_t count, int flag); 1283 #pragma no_inline(rge_chip_blank) 1284 1285 /* ARGSUSED */ 1286 void 1287 rge_chip_blank(void *arg, time_t ticks, uint_t count, int flag) 1288 { 1289 _NOTE(ARGUNUSED(arg, ticks, count)); 1290 } 1291 1292 void rge_tx_trigger(rge_t *rgep); 1293 #pragma no_inline(rge_tx_trigger) 1294 1295 void 1296 rge_tx_trigger(rge_t *rgep) 1297 { 1298 rge_reg_put8(rgep, TX_RINGS_POLL_REG, NORMAL_TX_RING_POLL); 1299 } 1300 1301 void rge_hw_stats_dump(rge_t *rgep); 1302 #pragma no_inline(rge_tx_trigger) 1303 1304 void 1305 rge_hw_stats_dump(rge_t *rgep) 1306 { 1307 int i = 0; 1308 uint32_t regval = 0; 1309 1310 if (rgep->rge_mac_state == RGE_MAC_STOPPED) 1311 return; 1312 1313 regval = rge_reg_get32(rgep, DUMP_COUNTER_REG_0); 1314 while (regval & DUMP_START) { 1315 drv_usecwait(100); 1316 if (++i > STATS_DUMP_LOOP) { 1317 RGE_DEBUG(("rge h/w statistics dump fail!")); 1318 rgep->rge_chip_state = RGE_CHIP_ERROR; 1319 return; 1320 } 1321 regval = rge_reg_get32(rgep, DUMP_COUNTER_REG_0); 1322 } 1323 DMA_SYNC(rgep->dma_area_stats, DDI_DMA_SYNC_FORKERNEL); 1324 1325 /* 1326 * Start H/W statistics dump for RTL8169 chip 1327 */ 1328 rge_reg_set32(rgep, DUMP_COUNTER_REG_0, DUMP_START); 1329 } 1330 1331 /* 1332 * ========== Hardware interrupt handler ========== 1333 */ 1334 1335 #undef RGE_DBG 1336 #define RGE_DBG RGE_DBG_INT /* debug flag for this code */ 1337 1338 static void rge_wake_factotum(rge_t *rgep); 1339 #pragma inline(rge_wake_factotum) 1340 1341 static void 1342 rge_wake_factotum(rge_t *rgep) 1343 { 1344 if (rgep->factotum_flag == 0) { 1345 rgep->factotum_flag = 1; 1346 (void) ddi_intr_trigger_softint(rgep->factotum_hdl, NULL); 1347 } 1348 } 1349 1350 /* 1351 * rge_intr() -- handle chip interrupts 1352 */ 1353 uint_t rge_intr(caddr_t arg1, caddr_t arg2); 1354 #pragma no_inline(rge_intr) 1355 1356 uint_t 1357 rge_intr(caddr_t arg1, caddr_t arg2) 1358 { 1359 rge_t *rgep = (rge_t *)arg1; 1360 uint16_t int_status; 1361 clock_t now; 1362 uint32_t tx_pkts; 1363 uint32_t rx_pkts; 1364 uint32_t poll_rate; 1365 uint32_t opt_pkts; 1366 uint32_t opt_intrs; 1367 boolean_t update_int_mask = B_FALSE; 1368 uint32_t itimer; 1369 1370 _NOTE(ARGUNUSED(arg2)) 1371 1372 mutex_enter(rgep->genlock); 1373 1374 if (rgep->suspended) { 1375 mutex_exit(rgep->genlock); 1376 return (DDI_INTR_UNCLAIMED); 1377 } 1378 1379 /* 1380 * Was this interrupt caused by our device... 1381 */ 1382 int_status = rge_reg_get16(rgep, INT_STATUS_REG); 1383 if (!(int_status & rgep->int_mask)) { 1384 mutex_exit(rgep->genlock); 1385 return (DDI_INTR_UNCLAIMED); 1386 /* indicate it wasn't our interrupt */ 1387 } 1388 rgep->stats.intr++; 1389 1390 /* 1391 * Clear interrupt 1392 * For PCIE chipset, we need disable interrupt first. 1393 */ 1394 if (rgep->chipid.is_pcie) { 1395 rge_reg_put16(rgep, INT_MASK_REG, INT_MASK_NONE); 1396 update_int_mask = B_TRUE; 1397 } 1398 rge_reg_put16(rgep, INT_STATUS_REG, int_status); 1399 1400 /* 1401 * Calculate optimal polling interval 1402 */ 1403 now = ddi_get_lbolt(); 1404 if (now - rgep->curr_tick >= rgep->tick_delta && 1405 (rgep->param_link_speed == RGE_SPEED_1000M || 1406 rgep->param_link_speed == RGE_SPEED_100M)) { 1407 /* number of rx and tx packets in the last tick */ 1408 tx_pkts = rgep->stats.opackets - rgep->last_opackets; 1409 rx_pkts = rgep->stats.rpackets - rgep->last_rpackets; 1410 1411 rgep->last_opackets = rgep->stats.opackets; 1412 rgep->last_rpackets = rgep->stats.rpackets; 1413 1414 /* restore interrupt mask */ 1415 rgep->int_mask |= TX_OK_INT | RX_OK_INT; 1416 if (rgep->chipid.is_pcie) { 1417 rgep->int_mask |= NO_TXDESC_INT; 1418 } 1419 1420 /* optimal number of packets in a tick */ 1421 if (rgep->param_link_speed == RGE_SPEED_1000M) { 1422 opt_pkts = (1000*1000*1000/8)/ETHERMTU/CLK_TICK; 1423 } else { 1424 opt_pkts = (100*1000*1000/8)/ETHERMTU/CLK_TICK; 1425 } 1426 1427 /* 1428 * calculate polling interval based on rx and tx packets 1429 * in the last tick 1430 */ 1431 poll_rate = 0; 1432 if (now - rgep->curr_tick < 2*rgep->tick_delta) { 1433 opt_intrs = opt_pkts/TX_COALESC; 1434 if (tx_pkts > opt_intrs) { 1435 poll_rate = max(tx_pkts/TX_COALESC, opt_intrs); 1436 rgep->int_mask &= ~(TX_OK_INT | NO_TXDESC_INT); 1437 } 1438 1439 opt_intrs = opt_pkts/RX_COALESC; 1440 if (rx_pkts > opt_intrs) { 1441 opt_intrs = max(rx_pkts/RX_COALESC, opt_intrs); 1442 poll_rate = max(opt_intrs, poll_rate); 1443 rgep->int_mask &= ~RX_OK_INT; 1444 } 1445 /* ensure poll_rate reasonable */ 1446 poll_rate = min(poll_rate, opt_pkts*4); 1447 } 1448 1449 if (poll_rate) { 1450 /* move to polling mode */ 1451 if (rgep->chipid.is_pcie) { 1452 itimer = (TIMER_CLK_PCIE/CLK_TICK)/poll_rate; 1453 } else { 1454 itimer = (TIMER_CLK_PCI/CLK_TICK)/poll_rate; 1455 } 1456 } else { 1457 /* move to normal mode */ 1458 itimer = 0; 1459 } 1460 RGE_DEBUG(("%s: poll: itimer:%d int_mask:0x%x", 1461 __func__, itimer, rgep->int_mask)); 1462 rge_reg_put32(rgep, TIMER_INT_REG, itimer); 1463 1464 /* update timestamp for statistics */ 1465 rgep->curr_tick = now; 1466 1467 /* reset timer */ 1468 int_status |= TIME_OUT_INT; 1469 1470 update_int_mask = B_TRUE; 1471 } 1472 1473 if (int_status & TIME_OUT_INT) { 1474 rge_reg_put32(rgep, TIMER_COUNT_REG, 0); 1475 } 1476 1477 /* flush post writes */ 1478 (void) rge_reg_get16(rgep, INT_STATUS_REG); 1479 1480 /* 1481 * Cable link change interrupt 1482 */ 1483 if (int_status & LINK_CHANGE_INT) { 1484 rge_chip_cyclic(rgep); 1485 } 1486 1487 if (int_status & RX_FIFO_OVERFLOW_INT) { 1488 /* start rx watchdog timeout detection */ 1489 rgep->rx_fifo_ovf = 1; 1490 if (rgep->int_mask & RX_FIFO_OVERFLOW_INT) { 1491 rgep->int_mask &= ~RX_FIFO_OVERFLOW_INT; 1492 update_int_mask = B_TRUE; 1493 } 1494 } else if (int_status & RGE_RX_INT) { 1495 /* stop rx watchdog timeout detection */ 1496 rgep->rx_fifo_ovf = 0; 1497 if ((rgep->int_mask & RX_FIFO_OVERFLOW_INT) == 0) { 1498 rgep->int_mask |= RX_FIFO_OVERFLOW_INT; 1499 update_int_mask = B_TRUE; 1500 } 1501 } 1502 1503 mutex_exit(rgep->genlock); 1504 1505 /* 1506 * Receive interrupt 1507 */ 1508 if (int_status & RGE_RX_INT) 1509 rge_receive(rgep); 1510 1511 /* 1512 * Transmit interrupt 1513 */ 1514 if (int_status & TX_ERR_INT) { 1515 RGE_REPORT((rgep, "tx error happened, resetting the chip ")); 1516 mutex_enter(rgep->genlock); 1517 rgep->rge_chip_state = RGE_CHIP_ERROR; 1518 mutex_exit(rgep->genlock); 1519 } else if ((rgep->chipid.is_pcie && (int_status & NO_TXDESC_INT)) || 1520 ((int_status & TX_OK_INT) && rgep->tx_free < RGE_SEND_SLOTS/8)) { 1521 (void) ddi_intr_trigger_softint(rgep->resched_hdl, NULL); 1522 } 1523 1524 /* 1525 * System error interrupt 1526 */ 1527 if (int_status & SYS_ERR_INT) { 1528 RGE_REPORT((rgep, "sys error happened, resetting the chip ")); 1529 mutex_enter(rgep->genlock); 1530 rgep->rge_chip_state = RGE_CHIP_ERROR; 1531 mutex_exit(rgep->genlock); 1532 } 1533 1534 /* 1535 * Re-enable interrupt for PCIE chipset or install new int_mask 1536 */ 1537 if (update_int_mask) 1538 rge_reg_put16(rgep, INT_MASK_REG, rgep->int_mask); 1539 1540 return (DDI_INTR_CLAIMED); /* indicate it was our interrupt */ 1541 } 1542 1543 /* 1544 * ========== Factotum, implemented as a softint handler ========== 1545 */ 1546 1547 #undef RGE_DBG 1548 #define RGE_DBG RGE_DBG_FACT /* debug flag for this code */ 1549 1550 static boolean_t rge_factotum_link_check(rge_t *rgep); 1551 #pragma no_inline(rge_factotum_link_check) 1552 1553 static boolean_t 1554 rge_factotum_link_check(rge_t *rgep) 1555 { 1556 uint8_t media_status; 1557 int32_t link; 1558 1559 media_status = rge_reg_get8(rgep, PHY_STATUS_REG); 1560 link = (media_status & PHY_STATUS_LINK_UP) ? 1561 LINK_STATE_UP : LINK_STATE_DOWN; 1562 if (rgep->param_link_up != link) { 1563 /* 1564 * Link change. 1565 */ 1566 rgep->param_link_up = link; 1567 1568 if (link == LINK_STATE_UP) { 1569 if (media_status & PHY_STATUS_1000MF) { 1570 rgep->param_link_speed = RGE_SPEED_1000M; 1571 rgep->param_link_duplex = LINK_DUPLEX_FULL; 1572 } else { 1573 rgep->param_link_speed = 1574 (media_status & PHY_STATUS_100M) ? 1575 RGE_SPEED_100M : RGE_SPEED_10M; 1576 rgep->param_link_duplex = 1577 (media_status & PHY_STATUS_DUPLEX_FULL) ? 1578 LINK_DUPLEX_FULL : LINK_DUPLEX_HALF; 1579 } 1580 } 1581 return (B_TRUE); 1582 } 1583 return (B_FALSE); 1584 } 1585 1586 /* 1587 * Factotum routine to check for Tx stall, using the 'watchdog' counter 1588 */ 1589 static boolean_t rge_factotum_stall_check(rge_t *rgep); 1590 #pragma no_inline(rge_factotum_stall_check) 1591 1592 static boolean_t 1593 rge_factotum_stall_check(rge_t *rgep) 1594 { 1595 uint32_t dogval; 1596 1597 ASSERT(mutex_owned(rgep->genlock)); 1598 1599 /* 1600 * Specific check for RX stall ... 1601 */ 1602 rgep->rx_fifo_ovf <<= 1; 1603 if (rgep->rx_fifo_ovf > rge_rx_watchdog_count) { 1604 RGE_REPORT((rgep, "rx_hang detected")); 1605 return (B_TRUE); 1606 } 1607 1608 /* 1609 * Specific check for Tx stall ... 1610 * 1611 * The 'watchdog' counter is incremented whenever a packet 1612 * is queued, reset to 1 when some (but not all) buffers 1613 * are reclaimed, reset to 0 (disabled) when all buffers 1614 * are reclaimed, and shifted left here. If it exceeds the 1615 * threshold value, the chip is assumed to have stalled and 1616 * is put into the ERROR state. The factotum will then reset 1617 * it on the next pass. 1618 * 1619 * All of which should ensure that we don't get into a state 1620 * where packets are left pending indefinitely! 1621 */ 1622 if (rgep->resched_needed) 1623 (void) ddi_intr_trigger_softint(rgep->resched_hdl, NULL); 1624 dogval = rge_atomic_shl32(&rgep->watchdog, 1); 1625 if (dogval < rge_watchdog_count) 1626 return (B_FALSE); 1627 1628 RGE_REPORT((rgep, "Tx stall detected, watchdog code 0x%x", dogval)); 1629 return (B_TRUE); 1630 1631 } 1632 1633 /* 1634 * The factotum is woken up when there's something to do that we'd rather 1635 * not do from inside a hardware interrupt handler or high-level cyclic. 1636 * Its two main tasks are: 1637 * reset & restart the chip after an error 1638 * check the link status whenever necessary 1639 */ 1640 uint_t rge_chip_factotum(caddr_t arg1, caddr_t arg2); 1641 #pragma no_inline(rge_chip_factotum) 1642 1643 uint_t 1644 rge_chip_factotum(caddr_t arg1, caddr_t arg2) 1645 { 1646 rge_t *rgep; 1647 uint_t result; 1648 boolean_t error; 1649 boolean_t linkchg; 1650 1651 rgep = (rge_t *)arg1; 1652 _NOTE(ARGUNUSED(arg2)) 1653 1654 if (rgep->factotum_flag == 0) 1655 return (DDI_INTR_UNCLAIMED); 1656 1657 rgep->factotum_flag = 0; 1658 result = DDI_INTR_CLAIMED; 1659 error = B_FALSE; 1660 linkchg = B_FALSE; 1661 1662 mutex_enter(rgep->genlock); 1663 switch (rgep->rge_chip_state) { 1664 default: 1665 break; 1666 1667 case RGE_CHIP_RUNNING: 1668 linkchg = rge_factotum_link_check(rgep); 1669 error = rge_factotum_stall_check(rgep); 1670 break; 1671 1672 case RGE_CHIP_ERROR: 1673 error = B_TRUE; 1674 break; 1675 1676 case RGE_CHIP_FAULT: 1677 /* 1678 * Fault detected, time to reset ... 1679 */ 1680 if (rge_autorecover) { 1681 RGE_REPORT((rgep, "automatic recovery activated")); 1682 rge_restart(rgep); 1683 } 1684 break; 1685 } 1686 1687 /* 1688 * If an error is detected, stop the chip now, marking it as 1689 * faulty, so that it will be reset next time through ... 1690 */ 1691 if (error) 1692 rge_chip_stop(rgep, B_TRUE); 1693 mutex_exit(rgep->genlock); 1694 1695 /* 1696 * If the link state changed, tell the world about it. 1697 * Note: can't do this while still holding the mutex. 1698 */ 1699 if (linkchg) 1700 mac_link_update(rgep->mh, rgep->param_link_up); 1701 1702 return (result); 1703 } 1704 1705 /* 1706 * High-level cyclic handler 1707 * 1708 * This routine schedules a (low-level) softint callback to the 1709 * factotum, and prods the chip to update the status block (which 1710 * will cause a hardware interrupt when complete). 1711 */ 1712 void rge_chip_cyclic(void *arg); 1713 #pragma no_inline(rge_chip_cyclic) 1714 1715 void 1716 rge_chip_cyclic(void *arg) 1717 { 1718 rge_t *rgep; 1719 1720 rgep = arg; 1721 1722 switch (rgep->rge_chip_state) { 1723 default: 1724 return; 1725 1726 case RGE_CHIP_RUNNING: 1727 rge_phy_check(rgep); 1728 if (rgep->tx_free < RGE_SEND_SLOTS) 1729 rge_send_recycle(rgep); 1730 break; 1731 1732 case RGE_CHIP_FAULT: 1733 case RGE_CHIP_ERROR: 1734 break; 1735 } 1736 1737 rge_wake_factotum(rgep); 1738 } 1739 1740 1741 /* 1742 * ========== Ioctl subfunctions ========== 1743 */ 1744 1745 #undef RGE_DBG 1746 #define RGE_DBG RGE_DBG_PPIO /* debug flag for this code */ 1747 1748 #if RGE_DEBUGGING || RGE_DO_PPIO 1749 1750 static void rge_chip_peek_cfg(rge_t *rgep, rge_peekpoke_t *ppd); 1751 #pragma no_inline(rge_chip_peek_cfg) 1752 1753 static void 1754 rge_chip_peek_cfg(rge_t *rgep, rge_peekpoke_t *ppd) 1755 { 1756 uint64_t regval; 1757 uint64_t regno; 1758 1759 RGE_TRACE(("rge_chip_peek_cfg($%p, $%p)", 1760 (void *)rgep, (void *)ppd)); 1761 1762 regno = ppd->pp_acc_offset; 1763 1764 switch (ppd->pp_acc_size) { 1765 case 1: 1766 regval = pci_config_get8(rgep->cfg_handle, regno); 1767 break; 1768 1769 case 2: 1770 regval = pci_config_get16(rgep->cfg_handle, regno); 1771 break; 1772 1773 case 4: 1774 regval = pci_config_get32(rgep->cfg_handle, regno); 1775 break; 1776 1777 case 8: 1778 regval = pci_config_get64(rgep->cfg_handle, regno); 1779 break; 1780 } 1781 1782 ppd->pp_acc_data = regval; 1783 } 1784 1785 static void rge_chip_poke_cfg(rge_t *rgep, rge_peekpoke_t *ppd); 1786 #pragma no_inline(rge_chip_poke_cfg) 1787 1788 static void 1789 rge_chip_poke_cfg(rge_t *rgep, rge_peekpoke_t *ppd) 1790 { 1791 uint64_t regval; 1792 uint64_t regno; 1793 1794 RGE_TRACE(("rge_chip_poke_cfg($%p, $%p)", 1795 (void *)rgep, (void *)ppd)); 1796 1797 regno = ppd->pp_acc_offset; 1798 regval = ppd->pp_acc_data; 1799 1800 switch (ppd->pp_acc_size) { 1801 case 1: 1802 pci_config_put8(rgep->cfg_handle, regno, regval); 1803 break; 1804 1805 case 2: 1806 pci_config_put16(rgep->cfg_handle, regno, regval); 1807 break; 1808 1809 case 4: 1810 pci_config_put32(rgep->cfg_handle, regno, regval); 1811 break; 1812 1813 case 8: 1814 pci_config_put64(rgep->cfg_handle, regno, regval); 1815 break; 1816 } 1817 } 1818 1819 static void rge_chip_peek_reg(rge_t *rgep, rge_peekpoke_t *ppd); 1820 #pragma no_inline(rge_chip_peek_reg) 1821 1822 static void 1823 rge_chip_peek_reg(rge_t *rgep, rge_peekpoke_t *ppd) 1824 { 1825 uint64_t regval; 1826 void *regaddr; 1827 1828 RGE_TRACE(("rge_chip_peek_reg($%p, $%p)", 1829 (void *)rgep, (void *)ppd)); 1830 1831 regaddr = PIO_ADDR(rgep, ppd->pp_acc_offset); 1832 1833 switch (ppd->pp_acc_size) { 1834 case 1: 1835 regval = ddi_get8(rgep->io_handle, regaddr); 1836 break; 1837 1838 case 2: 1839 regval = ddi_get16(rgep->io_handle, regaddr); 1840 break; 1841 1842 case 4: 1843 regval = ddi_get32(rgep->io_handle, regaddr); 1844 break; 1845 1846 case 8: 1847 regval = ddi_get64(rgep->io_handle, regaddr); 1848 break; 1849 } 1850 1851 ppd->pp_acc_data = regval; 1852 } 1853 1854 static void rge_chip_poke_reg(rge_t *rgep, rge_peekpoke_t *ppd); 1855 #pragma no_inline(rge_chip_peek_reg) 1856 1857 static void 1858 rge_chip_poke_reg(rge_t *rgep, rge_peekpoke_t *ppd) 1859 { 1860 uint64_t regval; 1861 void *regaddr; 1862 1863 RGE_TRACE(("rge_chip_poke_reg($%p, $%p)", 1864 (void *)rgep, (void *)ppd)); 1865 1866 regaddr = PIO_ADDR(rgep, ppd->pp_acc_offset); 1867 regval = ppd->pp_acc_data; 1868 1869 switch (ppd->pp_acc_size) { 1870 case 1: 1871 ddi_put8(rgep->io_handle, regaddr, regval); 1872 break; 1873 1874 case 2: 1875 ddi_put16(rgep->io_handle, regaddr, regval); 1876 break; 1877 1878 case 4: 1879 ddi_put32(rgep->io_handle, regaddr, regval); 1880 break; 1881 1882 case 8: 1883 ddi_put64(rgep->io_handle, regaddr, regval); 1884 break; 1885 } 1886 } 1887 1888 static void rge_chip_peek_mii(rge_t *rgep, rge_peekpoke_t *ppd); 1889 #pragma no_inline(rge_chip_peek_mii) 1890 1891 static void 1892 rge_chip_peek_mii(rge_t *rgep, rge_peekpoke_t *ppd) 1893 { 1894 RGE_TRACE(("rge_chip_peek_mii($%p, $%p)", 1895 (void *)rgep, (void *)ppd)); 1896 1897 ppd->pp_acc_data = rge_mii_get16(rgep, ppd->pp_acc_offset/2); 1898 } 1899 1900 static void rge_chip_poke_mii(rge_t *rgep, rge_peekpoke_t *ppd); 1901 #pragma no_inline(rge_chip_poke_mii) 1902 1903 static void 1904 rge_chip_poke_mii(rge_t *rgep, rge_peekpoke_t *ppd) 1905 { 1906 RGE_TRACE(("rge_chip_poke_mii($%p, $%p)", 1907 (void *)rgep, (void *)ppd)); 1908 1909 rge_mii_put16(rgep, ppd->pp_acc_offset/2, ppd->pp_acc_data); 1910 } 1911 1912 static void rge_chip_peek_mem(rge_t *rgep, rge_peekpoke_t *ppd); 1913 #pragma no_inline(rge_chip_peek_mem) 1914 1915 static void 1916 rge_chip_peek_mem(rge_t *rgep, rge_peekpoke_t *ppd) 1917 { 1918 uint64_t regval; 1919 void *vaddr; 1920 1921 RGE_TRACE(("rge_chip_peek_rge($%p, $%p)", 1922 (void *)rgep, (void *)ppd)); 1923 1924 vaddr = (void *)(uintptr_t)ppd->pp_acc_offset; 1925 1926 switch (ppd->pp_acc_size) { 1927 case 1: 1928 regval = *(uint8_t *)vaddr; 1929 break; 1930 1931 case 2: 1932 regval = *(uint16_t *)vaddr; 1933 break; 1934 1935 case 4: 1936 regval = *(uint32_t *)vaddr; 1937 break; 1938 1939 case 8: 1940 regval = *(uint64_t *)vaddr; 1941 break; 1942 } 1943 1944 RGE_DEBUG(("rge_chip_peek_mem($%p, $%p) peeked 0x%llx from $%p", 1945 (void *)rgep, (void *)ppd, regval, vaddr)); 1946 1947 ppd->pp_acc_data = regval; 1948 } 1949 1950 static void rge_chip_poke_mem(rge_t *rgep, rge_peekpoke_t *ppd); 1951 #pragma no_inline(rge_chip_poke_mem) 1952 1953 static void 1954 rge_chip_poke_mem(rge_t *rgep, rge_peekpoke_t *ppd) 1955 { 1956 uint64_t regval; 1957 void *vaddr; 1958 1959 RGE_TRACE(("rge_chip_poke_mem($%p, $%p)", 1960 (void *)rgep, (void *)ppd)); 1961 1962 vaddr = (void *)(uintptr_t)ppd->pp_acc_offset; 1963 regval = ppd->pp_acc_data; 1964 1965 RGE_DEBUG(("rge_chip_poke_mem($%p, $%p) poking 0x%llx at $%p", 1966 (void *)rgep, (void *)ppd, regval, vaddr)); 1967 1968 switch (ppd->pp_acc_size) { 1969 case 1: 1970 *(uint8_t *)vaddr = (uint8_t)regval; 1971 break; 1972 1973 case 2: 1974 *(uint16_t *)vaddr = (uint16_t)regval; 1975 break; 1976 1977 case 4: 1978 *(uint32_t *)vaddr = (uint32_t)regval; 1979 break; 1980 1981 case 8: 1982 *(uint64_t *)vaddr = (uint64_t)regval; 1983 break; 1984 } 1985 } 1986 1987 static enum ioc_reply rge_pp_ioctl(rge_t *rgep, int cmd, mblk_t *mp, 1988 struct iocblk *iocp); 1989 #pragma no_inline(rge_pp_ioctl) 1990 1991 static enum ioc_reply 1992 rge_pp_ioctl(rge_t *rgep, int cmd, mblk_t *mp, struct iocblk *iocp) 1993 { 1994 void (*ppfn)(rge_t *rgep, rge_peekpoke_t *ppd); 1995 rge_peekpoke_t *ppd; 1996 dma_area_t *areap; 1997 uint64_t sizemask; 1998 uint64_t mem_va; 1999 uint64_t maxoff; 2000 boolean_t peek; 2001 2002 switch (cmd) { 2003 default: 2004 /* NOTREACHED */ 2005 rge_error(rgep, "rge_pp_ioctl: invalid cmd 0x%x", cmd); 2006 return (IOC_INVAL); 2007 2008 case RGE_PEEK: 2009 peek = B_TRUE; 2010 break; 2011 2012 case RGE_POKE: 2013 peek = B_FALSE; 2014 break; 2015 } 2016 2017 /* 2018 * Validate format of ioctl 2019 */ 2020 if (iocp->ioc_count != sizeof (rge_peekpoke_t)) 2021 return (IOC_INVAL); 2022 if (mp->b_cont == NULL) 2023 return (IOC_INVAL); 2024 ppd = (rge_peekpoke_t *)mp->b_cont->b_rptr; 2025 2026 /* 2027 * Validate request parameters 2028 */ 2029 switch (ppd->pp_acc_space) { 2030 default: 2031 return (IOC_INVAL); 2032 2033 case RGE_PP_SPACE_CFG: 2034 /* 2035 * Config space 2036 */ 2037 sizemask = 8|4|2|1; 2038 mem_va = 0; 2039 maxoff = PCI_CONF_HDR_SIZE; 2040 ppfn = peek ? rge_chip_peek_cfg : rge_chip_poke_cfg; 2041 break; 2042 2043 case RGE_PP_SPACE_REG: 2044 /* 2045 * Memory-mapped I/O space 2046 */ 2047 sizemask = 8|4|2|1; 2048 mem_va = 0; 2049 maxoff = RGE_REGISTER_MAX; 2050 ppfn = peek ? rge_chip_peek_reg : rge_chip_poke_reg; 2051 break; 2052 2053 case RGE_PP_SPACE_MII: 2054 /* 2055 * PHY's MII registers 2056 * NB: all PHY registers are two bytes, but the 2057 * addresses increment in ones (word addressing). 2058 * So we scale the address here, then undo the 2059 * transformation inside the peek/poke functions. 2060 */ 2061 ppd->pp_acc_offset *= 2; 2062 sizemask = 2; 2063 mem_va = 0; 2064 maxoff = (MII_MAXREG+1)*2; 2065 ppfn = peek ? rge_chip_peek_mii : rge_chip_poke_mii; 2066 break; 2067 2068 case RGE_PP_SPACE_RGE: 2069 /* 2070 * RGE data structure! 2071 */ 2072 sizemask = 8|4|2|1; 2073 mem_va = (uintptr_t)rgep; 2074 maxoff = sizeof (*rgep); 2075 ppfn = peek ? rge_chip_peek_mem : rge_chip_poke_mem; 2076 break; 2077 2078 case RGE_PP_SPACE_STATISTICS: 2079 case RGE_PP_SPACE_TXDESC: 2080 case RGE_PP_SPACE_TXBUFF: 2081 case RGE_PP_SPACE_RXDESC: 2082 case RGE_PP_SPACE_RXBUFF: 2083 /* 2084 * Various DMA_AREAs 2085 */ 2086 switch (ppd->pp_acc_space) { 2087 case RGE_PP_SPACE_TXDESC: 2088 areap = &rgep->dma_area_txdesc; 2089 break; 2090 case RGE_PP_SPACE_RXDESC: 2091 areap = &rgep->dma_area_rxdesc; 2092 break; 2093 case RGE_PP_SPACE_STATISTICS: 2094 areap = &rgep->dma_area_stats; 2095 break; 2096 } 2097 2098 sizemask = 8|4|2|1; 2099 mem_va = (uintptr_t)areap->mem_va; 2100 maxoff = areap->alength; 2101 ppfn = peek ? rge_chip_peek_mem : rge_chip_poke_mem; 2102 break; 2103 } 2104 2105 switch (ppd->pp_acc_size) { 2106 default: 2107 return (IOC_INVAL); 2108 2109 case 8: 2110 case 4: 2111 case 2: 2112 case 1: 2113 if ((ppd->pp_acc_size & sizemask) == 0) 2114 return (IOC_INVAL); 2115 break; 2116 } 2117 2118 if ((ppd->pp_acc_offset % ppd->pp_acc_size) != 0) 2119 return (IOC_INVAL); 2120 2121 if (ppd->pp_acc_offset >= maxoff) 2122 return (IOC_INVAL); 2123 2124 if (ppd->pp_acc_offset+ppd->pp_acc_size > maxoff) 2125 return (IOC_INVAL); 2126 2127 /* 2128 * All OK - go do it! 2129 */ 2130 ppd->pp_acc_offset += mem_va; 2131 (*ppfn)(rgep, ppd); 2132 return (peek ? IOC_REPLY : IOC_ACK); 2133 } 2134 2135 static enum ioc_reply rge_diag_ioctl(rge_t *rgep, int cmd, mblk_t *mp, 2136 struct iocblk *iocp); 2137 #pragma no_inline(rge_diag_ioctl) 2138 2139 static enum ioc_reply 2140 rge_diag_ioctl(rge_t *rgep, int cmd, mblk_t *mp, struct iocblk *iocp) 2141 { 2142 ASSERT(mutex_owned(rgep->genlock)); 2143 2144 switch (cmd) { 2145 default: 2146 /* NOTREACHED */ 2147 rge_error(rgep, "rge_diag_ioctl: invalid cmd 0x%x", cmd); 2148 return (IOC_INVAL); 2149 2150 case RGE_DIAG: 2151 /* 2152 * Currently a no-op 2153 */ 2154 return (IOC_ACK); 2155 2156 case RGE_PEEK: 2157 case RGE_POKE: 2158 return (rge_pp_ioctl(rgep, cmd, mp, iocp)); 2159 2160 case RGE_PHY_RESET: 2161 return (IOC_RESTART_ACK); 2162 2163 case RGE_SOFT_RESET: 2164 case RGE_HARD_RESET: 2165 /* 2166 * Reset and reinitialise the 570x hardware 2167 */ 2168 rge_restart(rgep); 2169 return (IOC_ACK); 2170 } 2171 2172 /* NOTREACHED */ 2173 } 2174 2175 #endif /* RGE_DEBUGGING || RGE_DO_PPIO */ 2176 2177 static enum ioc_reply rge_mii_ioctl(rge_t *rgep, int cmd, mblk_t *mp, 2178 struct iocblk *iocp); 2179 #pragma no_inline(rge_mii_ioctl) 2180 2181 static enum ioc_reply 2182 rge_mii_ioctl(rge_t *rgep, int cmd, mblk_t *mp, struct iocblk *iocp) 2183 { 2184 struct rge_mii_rw *miirwp; 2185 2186 /* 2187 * Validate format of ioctl 2188 */ 2189 if (iocp->ioc_count != sizeof (struct rge_mii_rw)) 2190 return (IOC_INVAL); 2191 if (mp->b_cont == NULL) 2192 return (IOC_INVAL); 2193 miirwp = (struct rge_mii_rw *)mp->b_cont->b_rptr; 2194 2195 /* 2196 * Validate request parameters ... 2197 */ 2198 if (miirwp->mii_reg > MII_MAXREG) 2199 return (IOC_INVAL); 2200 2201 switch (cmd) { 2202 default: 2203 /* NOTREACHED */ 2204 rge_error(rgep, "rge_mii_ioctl: invalid cmd 0x%x", cmd); 2205 return (IOC_INVAL); 2206 2207 case RGE_MII_READ: 2208 miirwp->mii_data = rge_mii_get16(rgep, miirwp->mii_reg); 2209 return (IOC_REPLY); 2210 2211 case RGE_MII_WRITE: 2212 rge_mii_put16(rgep, miirwp->mii_reg, miirwp->mii_data); 2213 return (IOC_ACK); 2214 } 2215 2216 /* NOTREACHED */ 2217 } 2218 2219 enum ioc_reply rge_chip_ioctl(rge_t *rgep, queue_t *wq, mblk_t *mp, 2220 struct iocblk *iocp); 2221 #pragma no_inline(rge_chip_ioctl) 2222 2223 enum ioc_reply 2224 rge_chip_ioctl(rge_t *rgep, queue_t *wq, mblk_t *mp, struct iocblk *iocp) 2225 { 2226 int cmd; 2227 2228 RGE_TRACE(("rge_chip_ioctl($%p, $%p, $%p, $%p)", 2229 (void *)rgep, (void *)wq, (void *)mp, (void *)iocp)); 2230 2231 ASSERT(mutex_owned(rgep->genlock)); 2232 2233 cmd = iocp->ioc_cmd; 2234 switch (cmd) { 2235 default: 2236 /* NOTREACHED */ 2237 rge_error(rgep, "rge_chip_ioctl: invalid cmd 0x%x", cmd); 2238 return (IOC_INVAL); 2239 2240 case RGE_DIAG: 2241 case RGE_PEEK: 2242 case RGE_POKE: 2243 case RGE_PHY_RESET: 2244 case RGE_SOFT_RESET: 2245 case RGE_HARD_RESET: 2246 #if RGE_DEBUGGING || RGE_DO_PPIO 2247 return (rge_diag_ioctl(rgep, cmd, mp, iocp)); 2248 #else 2249 return (IOC_INVAL); 2250 #endif /* RGE_DEBUGGING || RGE_DO_PPIO */ 2251 2252 case RGE_MII_READ: 2253 case RGE_MII_WRITE: 2254 return (rge_mii_ioctl(rgep, cmd, mp, iocp)); 2255 2256 } 2257 2258 /* NOTREACHED */ 2259 } 2260
Indexes created Wed Feb 10 09:32:22 UTC 2010
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