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 /* 23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include "bge_impl.h" 30 31 #define PIO_ADDR(bgep, offset) ((void *)((caddr_t)(bgep)->io_regs+(offset))) 32 33 /* 34 * Future features ... ? 35 */ 36 #define BGE_CFG_IO8 1 /* 8/16-bit cfg space BIS/BIC */ 37 #define BGE_IND_IO32 0 /* indirect access code */ 38 #define BGE_SEE_IO32 1 /* SEEPROM access code */ 39 #define BGE_FLASH_IO32 1 /* FLASH access code */ 40 41 /* 42 * BGE MSI tunable: 43 * 44 * By default MSI is enabled on all supported platforms but it is disabled 45 * for some Broadcom chips due to known MSI hardware issues. Currently MSI 46 * is enabled only for 5714C A2 and 5715C A2 broadcom chips. 47 */ 48 #if defined(__sparc) 49 boolean_t bge_enable_msi = B_TRUE; 50 #else 51 boolean_t bge_enable_msi = B_FALSE; 52 #endif 53 54 /* 55 * Property names 56 */ 57 static char knownids_propname[] = "bge-known-subsystems"; 58 59 /* 60 * Patchable globals: 61 * 62 * bge_autorecover 63 * Enables/disables automatic recovery after fault detection 64 * 65 * bge_mlcr_default 66 * Value to program into the MLCR; controls the chip's GPIO pins 67 * 68 * bge_dma_{rd,wr}prio 69 * Relative priorities of DMA reads & DMA writes respectively. 70 * These may each be patched to any value 0-3. Equal values 71 * will give "fair" (round-robin) arbitration for PCI access. 72 * Unequal values will give one or the other function priority. 73 * 74 * bge_dma_rwctrl 75 * Value to put in the Read/Write DMA control register. See 76 * the Broadcom PRM for things you can fiddle with in this 77 * register ... 78 * 79 * bge_{tx,rx}_{count,ticks}_{norm,intr} 80 * Send/receive interrupt coalescing parameters. Counts are 81 * #s of descriptors, ticks are in microseconds. *norm* values 82 * apply between status updates/interrupts; the *intr* values 83 * refer to the 'during-interrupt' versions - see the PRM. 84 * 85 * NOTE: these values have been determined by measurement. They 86 * differ significantly from the values recommended in the PRM. 87 */ 88 static uint32_t bge_autorecover = 1; 89 static uint32_t bge_mlcr_default = MLCR_DEFAULT; 90 static uint32_t bge_mlcr_default_5714 = MLCR_DEFAULT_5714; 91 92 static uint32_t bge_dma_rdprio = 1; 93 static uint32_t bge_dma_wrprio = 0; 94 static uint32_t bge_dma_rwctrl = PDRWCR_VAR_DEFAULT; 95 static uint32_t bge_dma_rwctrl_5721 = PDRWCR_VAR_5721; 96 static uint32_t bge_dma_rwctrl_5714 = PDRWCR_VAR_5714; 97 static uint32_t bge_dma_rwctrl_5715 = PDRWCR_VAR_5715; 98 99 uint32_t bge_rx_ticks_norm = 128; 100 uint32_t bge_tx_ticks_norm = 2048; /* 8 for FJ2+ !?!? */ 101 uint32_t bge_rx_count_norm = 8; 102 uint32_t bge_tx_count_norm = 128; 103 104 static uint32_t bge_rx_ticks_intr = 128; 105 static uint32_t bge_tx_ticks_intr = 0; /* 8 for FJ2+ !?!? */ 106 static uint32_t bge_rx_count_intr = 2; 107 static uint32_t bge_tx_count_intr = 0; 108 109 /* 110 * Memory pool configuration parameters. 111 * 112 * These are generally specific to each member of the chip family, since 113 * each one may have a different memory size/configuration. 114 * 115 * Setting the mbuf pool length for a specific type of chip to 0 inhibits 116 * the driver from programming the various registers; instead they are left 117 * at their hardware defaults. This is the preferred option for later chips 118 * (5705+), whereas the older chips *required* these registers to be set, 119 * since the h/w default was 0 ;-( 120 */ 121 static uint32_t bge_mbuf_pool_base = MBUF_POOL_BASE_DEFAULT; 122 static uint32_t bge_mbuf_pool_base_5704 = MBUF_POOL_BASE_5704; 123 static uint32_t bge_mbuf_pool_base_5705 = MBUF_POOL_BASE_5705; 124 static uint32_t bge_mbuf_pool_base_5721 = MBUF_POOL_BASE_5721; 125 static uint32_t bge_mbuf_pool_len = MBUF_POOL_LENGTH_DEFAULT; 126 static uint32_t bge_mbuf_pool_len_5704 = MBUF_POOL_LENGTH_5704; 127 static uint32_t bge_mbuf_pool_len_5705 = 0; /* use h/w default */ 128 static uint32_t bge_mbuf_pool_len_5721 = 0; 129 130 /* 131 * Various high and low water marks, thresholds, etc ... 132 * 133 * Note: these are taken from revision 7 of the PRM, and some are different 134 * from both the values in earlier PRMs *and* those determined experimentally 135 * and used in earlier versions of this driver ... 136 */ 137 static uint32_t bge_mbuf_hi_water = MBUF_HIWAT_DEFAULT; 138 static uint32_t bge_mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_DEFAULT; 139 static uint32_t bge_mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_DEFAULT; 140 141 static uint32_t bge_dmad_lo_water = DMAD_POOL_LOWAT_DEFAULT; 142 static uint32_t bge_dmad_hi_water = DMAD_POOL_HIWAT_DEFAULT; 143 static uint32_t bge_lowat_recv_frames = LOWAT_MAX_RECV_FRAMES_DEFAULT; 144 145 static uint32_t bge_replenish_std = STD_RCV_BD_REPLENISH_DEFAULT; 146 static uint32_t bge_replenish_mini = MINI_RCV_BD_REPLENISH_DEFAULT; 147 static uint32_t bge_replenish_jumbo = JUMBO_RCV_BD_REPLENISH_DEFAULT; 148 149 static uint32_t bge_watchdog_count = 1 << 16; 150 static uint16_t bge_dma_miss_limit = 20; 151 152 static uint32_t bge_stop_start_on_sync = 0; 153 154 boolean_t bge_jumbo_enable = B_TRUE; 155 static uint32_t bge_default_jumbo_size = BGE_JUMBO_BUFF_SIZE; 156 157 /* 158 * ========== Low-level chip & ring buffer manipulation ========== 159 */ 160 161 #define BGE_DBG BGE_DBG_REGS /* debug flag for this code */ 162 163 164 /* 165 * Config space read-modify-write routines 166 */ 167 168 #if BGE_CFG_IO8 169 170 /* 171 * 8- and 16-bit set/clr operations are not used; all the config registers 172 * that we need to do bit-twiddling on are 32 bits wide. I'll leave the 173 * code here, though, in case we ever find that we do want it after all ... 174 */ 175 176 static void bge_cfg_set8(bge_t *bgep, bge_regno_t regno, uint8_t bits); 177 #pragma inline(bge_cfg_set8) 178 179 static void 180 bge_cfg_set8(bge_t *bgep, bge_regno_t regno, uint8_t bits) 181 { 182 uint8_t regval; 183 184 BGE_TRACE(("bge_cfg_set8($%p, 0x%lx, 0x%x)", 185 (void *)bgep, regno, bits)); 186 187 regval = pci_config_get8(bgep->cfg_handle, regno); 188 189 BGE_DEBUG(("bge_cfg_set8($%p, 0x%lx, 0x%x): 0x%x => 0x%x", 190 (void *)bgep, regno, bits, regval, regval | bits)); 191 192 regval |= bits; 193 pci_config_put8(bgep->cfg_handle, regno, regval); 194 } 195 196 static void bge_cfg_clr8(bge_t *bgep, bge_regno_t regno, uint8_t bits); 197 #pragma inline(bge_cfg_clr8) 198 199 static void 200 bge_cfg_clr8(bge_t *bgep, bge_regno_t regno, uint8_t bits) 201 { 202 uint8_t regval; 203 204 BGE_TRACE(("bge_cfg_clr8($%p, 0x%lx, 0x%x)", 205 (void *)bgep, regno, bits)); 206 207 regval = pci_config_get8(bgep->cfg_handle, regno); 208 209 BGE_DEBUG(("bge_cfg_clr8($%p, 0x%lx, 0x%x): 0x%x => 0x%x", 210 (void *)bgep, regno, bits, regval, regval & ~bits)); 211 212 regval &= ~bits; 213 pci_config_put8(bgep->cfg_handle, regno, regval); 214 } 215 216 static void bge_cfg_set16(bge_t *bgep, bge_regno_t regno, uint16_t bits); 217 #pragma inline(bge_cfg_set16) 218 219 static void 220 bge_cfg_set16(bge_t *bgep, bge_regno_t regno, uint16_t bits) 221 { 222 uint16_t regval; 223 224 BGE_TRACE(("bge_cfg_set16($%p, 0x%lx, 0x%x)", 225 (void *)bgep, regno, bits)); 226 227 regval = pci_config_get16(bgep->cfg_handle, regno); 228 229 BGE_DEBUG(("bge_cfg_set16($%p, 0x%lx, 0x%x): 0x%x => 0x%x", 230 (void *)bgep, regno, bits, regval, regval | bits)); 231 232 regval |= bits; 233 pci_config_put16(bgep->cfg_handle, regno, regval); 234 } 235 236 static void bge_cfg_clr16(bge_t *bgep, bge_regno_t regno, uint16_t bits); 237 #pragma inline(bge_cfg_clr16) 238 239 static void 240 bge_cfg_clr16(bge_t *bgep, bge_regno_t regno, uint16_t bits) 241 { 242 uint16_t regval; 243 244 BGE_TRACE(("bge_cfg_clr16($%p, 0x%lx, 0x%x)", 245 (void *)bgep, regno, bits)); 246 247 regval = pci_config_get16(bgep->cfg_handle, regno); 248 249 BGE_DEBUG(("bge_cfg_clr16($%p, 0x%lx, 0x%x): 0x%x => 0x%x", 250 (void *)bgep, regno, bits, regval, regval & ~bits)); 251 252 regval &= ~bits; 253 pci_config_put16(bgep->cfg_handle, regno, regval); 254 } 255 256 #endif /* BGE_CFG_IO8 */ 257 258 static void bge_cfg_set32(bge_t *bgep, bge_regno_t regno, uint32_t bits); 259 #pragma inline(bge_cfg_set32) 260 261 static void 262 bge_cfg_set32(bge_t *bgep, bge_regno_t regno, uint32_t bits) 263 { 264 uint32_t regval; 265 266 BGE_TRACE(("bge_cfg_set32($%p, 0x%lx, 0x%x)", 267 (void *)bgep, regno, bits)); 268 269 regval = pci_config_get32(bgep->cfg_handle, regno); 270 271 BGE_DEBUG(("bge_cfg_set32($%p, 0x%lx, 0x%x): 0x%x => 0x%x", 272 (void *)bgep, regno, bits, regval, regval | bits)); 273 274 regval |= bits; 275 pci_config_put32(bgep->cfg_handle, regno, regval); 276 } 277 278 static void bge_cfg_clr32(bge_t *bgep, bge_regno_t regno, uint32_t bits); 279 #pragma inline(bge_cfg_clr32) 280 281 static void 282 bge_cfg_clr32(bge_t *bgep, bge_regno_t regno, uint32_t bits) 283 { 284 uint32_t regval; 285 286 BGE_TRACE(("bge_cfg_clr32($%p, 0x%lx, 0x%x)", 287 (void *)bgep, regno, bits)); 288 289 regval = pci_config_get32(bgep->cfg_handle, regno); 290 291 BGE_DEBUG(("bge_cfg_clr32($%p, 0x%lx, 0x%x): 0x%x => 0x%x", 292 (void *)bgep, regno, bits, regval, regval & ~bits)); 293 294 regval &= ~bits; 295 pci_config_put32(bgep->cfg_handle, regno, regval); 296 } 297 298 #if BGE_IND_IO32 299 300 /* 301 * Indirect access to registers & RISC scratchpads, using config space 302 * accesses only. 303 * 304 * This isn't currently used, but someday we might want to use it for 305 * restoring the Subsystem Device/Vendor registers (which aren't directly 306 * writable in Config Space), or for downloading firmware into the RISCs 307 * 308 * In any case there are endian issues to be resolved before this code is 309 * enabled; the bizarre way that bytes get twisted by this chip AND by 310 * the PCI bridge in SPARC systems mean that we shouldn't enable it until 311 * it's been thoroughly tested for all access sizes on all supported 312 * architectures (SPARC *and* x86!). 313 */ 314 static uint32_t bge_ind_get32(bge_t *bgep, bge_regno_t regno); 315 #pragma inline(bge_ind_get32) 316 317 static uint32_t 318 bge_ind_get32(bge_t *bgep, bge_regno_t regno) 319 { 320 uint32_t val; 321 322 BGE_TRACE(("bge_ind_get32($%p, 0x%lx)", (void *)bgep, regno)); 323 324 ASSERT(mutex_owned(bgep->genlock)); 325 326 pci_config_put32(bgep->cfg_handle, PCI_CONF_BGE_RIAAR, regno); 327 val = pci_config_get32(bgep->cfg_handle, PCI_CONF_BGE_RIADR); 328 329 BGE_DEBUG(("bge_ind_get32($%p, 0x%lx) => 0x%x", 330 (void *)bgep, regno, val)); 331 332 return (val); 333 } 334 335 static void bge_ind_put32(bge_t *bgep, bge_regno_t regno, uint32_t val); 336 #pragma inline(bge_ind_put32) 337 338 static void 339 bge_ind_put32(bge_t *bgep, bge_regno_t regno, uint32_t val) 340 { 341 BGE_TRACE(("bge_ind_put32($%p, 0x%lx, 0x%x)", 342 (void *)bgep, regno, val)); 343 344 ASSERT(mutex_owned(bgep->genlock)); 345 346 pci_config_put32(bgep->cfg_handle, PCI_CONF_BGE_RIAAR, regno); 347 pci_config_put32(bgep->cfg_handle, PCI_CONF_BGE_RIADR, val); 348 } 349 350 #endif /* BGE_IND_IO32 */ 351 352 #if BGE_DEBUGGING 353 354 static void bge_pci_check(bge_t *bgep); 355 #pragma no_inline(bge_pci_check) 356 357 static void 358 bge_pci_check(bge_t *bgep) 359 { 360 uint16_t pcistatus; 361 362 pcistatus = pci_config_get16(bgep->cfg_handle, PCI_CONF_STAT); 363 if ((pcistatus & (PCI_STAT_R_MAST_AB | PCI_STAT_R_TARG_AB)) != 0) 364 BGE_DEBUG(("bge_pci_check($%p): PCI status 0x%x", 365 (void *)bgep, pcistatus)); 366 } 367 368 #endif /* BGE_DEBUGGING */ 369 370 /* 371 * Perform first-stage chip (re-)initialisation, using only config-space 372 * accesses: 373 * 374 * + Read the vendor/device/revision/subsystem/cache-line-size registers, 375 * returning the data in the structure pointed to by <idp>. 376 * + Configure the target-mode endianness (swap) options. 377 * + Disable interrupts and enable Memory Space accesses. 378 * + Enable or disable Bus Mastering according to the <enable_dma> flag. 379 * 380 * This sequence is adapted from Broadcom document 570X-PG102-R, 381 * page 102, steps 1-3, 6-8 and 11-13. The omitted parts of the sequence 382 * are 4 and 5 (Reset Core and wait) which are handled elsewhere. 383 * 384 * This function MUST be called before any non-config-space accesses 385 * are made; on this first call <enable_dma> is B_FALSE, and it 386 * effectively performs steps 3-1(!) of the initialisation sequence 387 * (the rest are not required but should be harmless). 388 * 389 * It MUST also be called after a chip reset, as this disables 390 * Memory Space cycles! In this case, <enable_dma> is B_TRUE, and 391 * it is effectively performing steps 6-8. 392 */ 393 void bge_chip_cfg_init(bge_t *bgep, chip_id_t *cidp, boolean_t enable_dma); 394 #pragma no_inline(bge_chip_cfg_init) 395 396 void 397 bge_chip_cfg_init(bge_t *bgep, chip_id_t *cidp, boolean_t enable_dma) 398 { 399 ddi_acc_handle_t handle; 400 uint16_t command; 401 uint32_t mhcr; 402 uint16_t value16; 403 int i; 404 405 BGE_TRACE(("bge_chip_cfg_init($%p, $%p, %d)", 406 (void *)bgep, (void *)cidp, enable_dma)); 407 408 /* 409 * Step 3: save PCI cache line size and subsystem vendor ID 410 * 411 * Read all the config-space registers that characterise the 412 * chip, specifically vendor/device/revision/subsystem vendor 413 * and subsystem device id. We expect (but don't check) that 414 * (vendor == VENDOR_ID_BROADCOM) && (device == DEVICE_ID_5704) 415 * 416 * Also save all bus-transaction related registers (cache-line 417 * size, bus-grant/latency parameters, etc). Some of these are 418 * cleared by reset, so we'll have to restore them later. This 419 * comes from the Broadcom document 570X-PG102-R ... 420 * 421 * Note: Broadcom document 570X-PG102-R seems to be in error 422 * here w.r.t. the offsets of the Subsystem Vendor ID and 423 * Subsystem (Device) ID registers, which are the opposite way 424 * round according to the PCI standard. For good measure, we 425 * save/restore both anyway. 426 */ 427 handle = bgep->cfg_handle; 428 429 mhcr = pci_config_get32(handle, PCI_CONF_BGE_MHCR); 430 cidp->asic_rev = mhcr & MHCR_CHIP_REV_MASK; 431 cidp->businfo = pci_config_get32(handle, PCI_CONF_BGE_PCISTATE); 432 cidp->command = pci_config_get16(handle, PCI_CONF_COMM); 433 434 cidp->vendor = pci_config_get16(handle, PCI_CONF_VENID); 435 cidp->device = pci_config_get16(handle, PCI_CONF_DEVID); 436 cidp->subven = pci_config_get16(handle, PCI_CONF_SUBVENID); 437 cidp->subdev = pci_config_get16(handle, PCI_CONF_SUBSYSID); 438 cidp->revision = pci_config_get8(handle, PCI_CONF_REVID); 439 cidp->clsize = pci_config_get8(handle, PCI_CONF_CACHE_LINESZ); 440 cidp->latency = pci_config_get8(handle, PCI_CONF_LATENCY_TIMER); 441 442 BGE_DEBUG(("bge_chip_cfg_init: %s bus is %s and %s; #INTA is %s", 443 cidp->businfo & PCISTATE_BUS_IS_PCI ? "PCI" : "PCI-X", 444 cidp->businfo & PCISTATE_BUS_IS_FAST ? "fast" : "slow", 445 cidp->businfo & PCISTATE_BUS_IS_32_BIT ? "narrow" : "wide", 446 cidp->businfo & PCISTATE_INTA_STATE ? "high" : "low")); 447 BGE_DEBUG(("bge_chip_cfg_init: vendor 0x%x device 0x%x revision 0x%x", 448 cidp->vendor, cidp->device, cidp->revision)); 449 BGE_DEBUG(("bge_chip_cfg_init: subven 0x%x subdev 0x%x asic_rev 0x%x", 450 cidp->subven, cidp->subdev, cidp->asic_rev)); 451 BGE_DEBUG(("bge_chip_cfg_init: clsize %d latency %d command 0x%x", 452 cidp->clsize, cidp->latency, cidp->command)); 453 454 /* 455 * Step 2 (also step 6): disable and clear interrupts. 456 * Steps 11-13: configure PIO endianness options, and enable 457 * indirect register access. We'll also select any other 458 * options controlled by the MHCR (e.g. tagged status, mask 459 * interrupt mode) at this stage ... 460 * 461 * Note: internally, the chip is 64-bit and BIG-endian, but 462 * since it talks to the host over a (LITTLE-endian) PCI bus, 463 * it normally swaps bytes around at the PCI interface. 464 * However, the PCI host bridge on SPARC systems normally 465 * swaps the byte lanes around too, since SPARCs are also 466 * BIG-endian. So it turns out that on SPARC, the right 467 * option is to tell the chip to swap (and the host bridge 468 * will swap back again), whereas on x86 we ask the chip 469 * NOT to swap, so the natural little-endianness of the 470 * PCI bus is assumed. Then the only thing that doesn't 471 * automatically work right is access to an 8-byte register 472 * by a little-endian host; but we don't want to set the 473 * MHCR_ENABLE_REGISTER_WORD_SWAP bit because then 4-byte 474 * accesses don't go where expected ;-( So we live with 475 * that, and perform word-swaps in software in the few cases 476 * where a chip register is defined as an 8-byte value -- 477 * see the code below for details ... 478 * 479 * Note: the meaning of the 'MASK_INTERRUPT_MODE' bit isn't 480 * very clear in the register description in the PRM, but 481 * Broadcom document 570X-PG104-R page 248 explains a little 482 * more (under "Broadcom Mask Mode"). The bit changes the way 483 * the MASK_PCI_INT_OUTPUT bit works: with MASK_INTERRUPT_MODE 484 * clear, the chip interprets MASK_PCI_INT_OUTPUT in the same 485 * way as the 5700 did, which isn't very convenient. Setting 486 * the MASK_INTERRUPT_MODE bit makes the MASK_PCI_INT_OUTPUT 487 * bit do just what its name says -- MASK the PCI #INTA output 488 * (i.e. deassert the signal at the pin) leaving all internal 489 * state unchanged. This is much more convenient for our 490 * interrupt handler, so we set MASK_INTERRUPT_MODE here. 491 * 492 * Note: the inconvenient semantics of the interrupt mailbox 493 * (nonzero disables and acknowledges/clears the interrupt, 494 * zero enables AND CLEARS it) would make race conditions 495 * likely in the interrupt handler: 496 * 497 * (1) acknowledge & disable interrupts 498 * (2) while (more to do) 499 * process packets 500 * (3) enable interrupts -- also clears pending 501 * 502 * If the chip received more packets and internally generated 503 * an interrupt between the check at (2) and the mbox write 504 * at (3), this interrupt would be lost :-( 505 * 506 * The best way to avoid this is to use TAGGED STATUS mode, 507 * where the chip includes a unique tag in each status block 508 * update, and the host, when re-enabling interrupts, passes 509 * the last tag it saw back to the chip; then the chip can 510 * see whether the host is truly up to date, and regenerate 511 * its interrupt if not. 512 */ 513 mhcr = MHCR_ENABLE_INDIRECT_ACCESS | 514 MHCR_ENABLE_TAGGED_STATUS_MODE | 515 MHCR_MASK_INTERRUPT_MODE | 516 MHCR_CLEAR_INTERRUPT_INTA; 517 518 if (bgep->intr_type == DDI_INTR_TYPE_FIXED) 519 mhcr |= MHCR_MASK_PCI_INT_OUTPUT; 520 521 #ifdef _BIG_ENDIAN 522 mhcr |= MHCR_ENABLE_ENDIAN_WORD_SWAP | MHCR_ENABLE_ENDIAN_BYTE_SWAP; 523 #endif /* _BIG_ENDIAN */ 524 525 pci_config_put32(handle, PCI_CONF_BGE_MHCR, mhcr); 526 527 #ifdef BGE_IPMI_ASF 528 bgep->asf_wordswapped = B_FALSE; 529 #endif 530 /* 531 * Step 1 (also step 7): Enable PCI Memory Space accesses 532 * Disable Memory Write/Invalidate 533 * Enable or disable Bus Mastering 534 * 535 * Note that all other bits are taken from the original value saved 536 * the first time through here, rather than from the current register 537 * value, 'cos that will have been cleared by a soft RESET since. 538 * In this way we preserve the OBP/nexus-parent's preferred settings 539 * of the parity-error and system-error enable bits across multiple 540 * chip RESETs. 541 */ 542 command = bgep->chipid.command | PCI_COMM_MAE; 543 command &= ~(PCI_COMM_ME|PCI_COMM_MEMWR_INVAL); 544 if (enable_dma) 545 command |= PCI_COMM_ME; 546 /* 547 * on BCM5714 revision A0, false parity error gets generated 548 * due to a logic bug. Provide a workaround by disabling parity 549 * error. 550 */ 551 if (((cidp->device == DEVICE_ID_5714C) || 552 (cidp->device == DEVICE_ID_5714S)) && 553 (cidp->revision == REVISION_ID_5714_A0)) { 554 command &= ~PCI_COMM_PARITY_DETECT; 555 } 556 pci_config_put16(handle, PCI_CONF_COMM, command); 557 558 /* 559 * On some PCI-E device, there were instances when 560 * the device was still link training. 561 */ 562 if (bgep->chipid.pci_type == BGE_PCI_E) { 563 i = 0; 564 value16 = pci_config_get16(handle, PCI_CONF_COMM); 565 while ((value16 != command) && (i < 100)) { 566 drv_usecwait(200); 567 value16 = pci_config_get16(handle, PCI_CONF_COMM); 568 ++i; 569 } 570 } 571 572 /* 573 * Clear any remaining error status bits 574 */ 575 pci_config_put16(handle, PCI_CONF_STAT, ~0); 576 577 /* 578 * Do following if and only if the device is NOT BCM5714C OR 579 * BCM5715C 580 */ 581 if (!((cidp->device == DEVICE_ID_5714C) || 582 (cidp->device == DEVICE_ID_5715C))) { 583 /* 584 * Make sure these indirect-access registers are sane 585 * rather than random after power-up or reset 586 */ 587 pci_config_put32(handle, PCI_CONF_BGE_RIAAR, 0); 588 pci_config_put32(handle, PCI_CONF_BGE_MWBAR, 0); 589 } 590 /* 591 * Step 8: Disable PCI-X/PCI-E Relaxed Ordering 592 */ 593 bge_cfg_clr16(bgep, PCIX_CONF_COMM, PCIX_COMM_RELAXED); 594 595 if (cidp->pci_type == BGE_PCI_E) 596 bge_cfg_clr16(bgep, PCI_CONF_DEV_CTRL, 597 DEV_CTRL_NO_SNOOP | DEV_CTRL_RELAXED); 598 } 599 600 #ifdef __amd64 601 /* 602 * Distinguish CPU types 603 * 604 * These use to distinguish AMD64 or Intel EM64T of CPU running mode. 605 * If CPU runs on Intel EM64T mode,the 64bit operation cannot works fine 606 * for PCI-Express based network interface card. This is the work-around 607 * for those nics. 608 */ 609 static boolean_t bge_get_em64t_type(void); 610 #pragma inline(bge_get_em64t_type) 611 612 static boolean_t 613 bge_get_em64t_type(void) 614 { 615 616 return (x86_vendor == X86_VENDOR_Intel); 617 } 618 #endif 619 620 /* 621 * Operating register get/set access routines 622 */ 623 624 uint32_t bge_reg_get32(bge_t *bgep, bge_regno_t regno); 625 #pragma inline(bge_reg_get32) 626 627 uint32_t 628 bge_reg_get32(bge_t *bgep, bge_regno_t regno) 629 { 630 BGE_TRACE(("bge_reg_get32($%p, 0x%lx)", 631 (void *)bgep, regno)); 632 633 return (ddi_get32(bgep->io_handle, PIO_ADDR(bgep, regno))); 634 } 635 636 void bge_reg_put32(bge_t *bgep, bge_regno_t regno, uint32_t data); 637 #pragma inline(bge_reg_put32) 638 639 void 640 bge_reg_put32(bge_t *bgep, bge_regno_t regno, uint32_t data) 641 { 642 BGE_TRACE(("bge_reg_put32($%p, 0x%lx, 0x%x)", 643 (void *)bgep, regno, data)); 644 645 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, regno), data); 646 BGE_PCICHK(bgep); 647 } 648 649 void bge_reg_set32(bge_t *bgep, bge_regno_t regno, uint32_t bits); 650 #pragma inline(bge_reg_set32) 651 652 void 653 bge_reg_set32(bge_t *bgep, bge_regno_t regno, uint32_t bits) 654 { 655 uint32_t regval; 656 657 BGE_TRACE(("bge_reg_set32($%p, 0x%lx, 0x%x)", 658 (void *)bgep, regno, bits)); 659 660 regval = bge_reg_get32(bgep, regno); 661 regval |= bits; 662 bge_reg_put32(bgep, regno, regval); 663 } 664 665 void bge_reg_clr32(bge_t *bgep, bge_regno_t regno, uint32_t bits); 666 #pragma inline(bge_reg_clr32) 667 668 void 669 bge_reg_clr32(bge_t *bgep, bge_regno_t regno, uint32_t bits) 670 { 671 uint32_t regval; 672 673 BGE_TRACE(("bge_reg_clr32($%p, 0x%lx, 0x%x)", 674 (void *)bgep, regno, bits)); 675 676 regval = bge_reg_get32(bgep, regno); 677 regval &= ~bits; 678 bge_reg_put32(bgep, regno, regval); 679 } 680 681 static uint64_t bge_reg_get64(bge_t *bgep, bge_regno_t regno); 682 #pragma inline(bge_reg_get64) 683 684 static uint64_t 685 bge_reg_get64(bge_t *bgep, bge_regno_t regno) 686 { 687 uint64_t regval; 688 689 #ifdef __amd64 690 if (bge_get_em64t_type()) { 691 regval = ddi_get32(bgep->io_handle, PIO_ADDR(bgep, regno + 4)); 692 regval <<= 32; 693 regval |= ddi_get32(bgep->io_handle, PIO_ADDR(bgep, regno)); 694 } else { 695 regval = ddi_get64(bgep->io_handle, PIO_ADDR(bgep, regno)); 696 } 697 #else 698 regval = ddi_get64(bgep->io_handle, PIO_ADDR(bgep, regno)); 699 #endif 700 701 #ifdef _LITTLE_ENDIAN 702 regval = (regval >> 32) | (regval << 32); 703 #endif /* _LITTLE_ENDIAN */ 704 705 BGE_TRACE(("bge_reg_get64($%p, 0x%lx) = 0x%016llx", 706 (void *)bgep, regno, regval)); 707 708 return (regval); 709 } 710 711 static void bge_reg_put64(bge_t *bgep, bge_regno_t regno, uint64_t data); 712 #pragma inline(bge_reg_put64) 713 714 static void 715 bge_reg_put64(bge_t *bgep, bge_regno_t regno, uint64_t data) 716 { 717 BGE_TRACE(("bge_reg_put64($%p, 0x%lx, 0x%016llx)", 718 (void *)bgep, regno, data)); 719 720 #ifdef _LITTLE_ENDIAN 721 data = ((data >> 32) | (data << 32)); 722 #endif /* _LITTLE_ENDIAN */ 723 724 #ifdef __amd64 725 if (bge_get_em64t_type()) { 726 ddi_put32(bgep->io_handle, 727 PIO_ADDR(bgep, regno), (uint32_t)data); 728 BGE_PCICHK(bgep); 729 ddi_put32(bgep->io_handle, 730 PIO_ADDR(bgep, regno + 4), (uint32_t)(data >> 32)); 731 732 } else { 733 ddi_put64(bgep->io_handle, PIO_ADDR(bgep, regno), data); 734 } 735 #else 736 ddi_put64(bgep->io_handle, PIO_ADDR(bgep, regno), data); 737 #endif 738 739 BGE_PCICHK(bgep); 740 } 741 742 /* 743 * The DDI doesn't provide get/put functions for 128 bit data 744 * so we put RCBs out as two 64-bit chunks instead. 745 */ 746 static void bge_reg_putrcb(bge_t *bgep, bge_regno_t addr, bge_rcb_t *rcbp); 747 #pragma inline(bge_reg_putrcb) 748 749 static void 750 bge_reg_putrcb(bge_t *bgep, bge_regno_t addr, bge_rcb_t *rcbp) 751 { 752 uint64_t *p; 753 754 BGE_TRACE(("bge_reg_putrcb($%p, 0x%lx, 0x%016llx:%04x:%04x:%08x)", 755 (void *)bgep, addr, rcbp->host_ring_addr, 756 rcbp->max_len, rcbp->flags, rcbp->nic_ring_addr)); 757 758 ASSERT((addr % sizeof (*rcbp)) == 0); 759 760 p = (void *)rcbp; 761 bge_reg_put64(bgep, addr, *p++); 762 bge_reg_put64(bgep, addr+8, *p); 763 } 764 765 void bge_mbx_put(bge_t *bgep, bge_regno_t regno, uint64_t data); 766 #pragma inline(bge_mbx_put) 767 768 void 769 bge_mbx_put(bge_t *bgep, bge_regno_t regno, uint64_t data) 770 { 771 BGE_TRACE(("bge_mbx_put($%p, 0x%lx, 0x%016llx)", 772 (void *)bgep, regno, data)); 773 774 /* 775 * Mailbox registers are nominally 64 bits on the 5701, but 776 * the MSW isn't used. On the 5703, they're only 32 bits 777 * anyway. So here we just write the lower(!) 32 bits - 778 * remembering that the chip is big-endian, even though the 779 * PCI bus is little-endian ... 780 */ 781 #ifdef _BIG_ENDIAN 782 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, regno+4), (uint32_t)data); 783 #else 784 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, regno), (uint32_t)data); 785 #endif /* _BIG_ENDIAN */ 786 BGE_PCICHK(bgep); 787 } 788 789 #if BGE_DEBUGGING 790 791 void bge_led_mark(bge_t *bgep); 792 #pragma no_inline(bge_led_mark) 793 794 void 795 bge_led_mark(bge_t *bgep) 796 { 797 uint32_t led_ctrl = LED_CONTROL_OVERRIDE_LINK | 798 LED_CONTROL_1000MBPS_LED | 799 LED_CONTROL_100MBPS_LED | 800 LED_CONTROL_10MBPS_LED; 801 802 /* 803 * Blink all three LINK LEDs on simultaneously, then all off, 804 * then restore to automatic hardware control. This is used 805 * in laboratory testing to trigger a logic analyser or scope. 806 */ 807 bge_reg_set32(bgep, ETHERNET_MAC_LED_CONTROL_REG, led_ctrl); 808 led_ctrl ^= LED_CONTROL_OVERRIDE_LINK; 809 bge_reg_clr32(bgep, ETHERNET_MAC_LED_CONTROL_REG, led_ctrl); 810 led_ctrl = LED_CONTROL_OVERRIDE_LINK; 811 bge_reg_clr32(bgep, ETHERNET_MAC_LED_CONTROL_REG, led_ctrl); 812 } 813 814 #endif /* BGE_DEBUGGING */ 815 816 /* 817 * NIC on-chip memory access routines 818 * 819 * Only 32K of NIC memory is visible at a time, controlled by the 820 * Memory Window Base Address Register (in PCI config space). Once 821 * this is set, the 32K region of NIC-local memory that it refers 822 * to can be directly addressed in the upper 32K of the 64K of PCI 823 * memory space used for the device. 824 */ 825 826 static void bge_nic_setwin(bge_t *bgep, bge_regno_t base); 827 #pragma inline(bge_nic_setwin) 828 829 static void 830 bge_nic_setwin(bge_t *bgep, bge_regno_t base) 831 { 832 chip_id_t *cidp; 833 834 BGE_TRACE(("bge_nic_setwin($%p, 0x%lx)", 835 (void *)bgep, base)); 836 837 ASSERT((base & MWBAR_GRANULE_MASK) == 0); 838 839 /* 840 * Don't do repeated zero data writes, 841 * if the device is BCM5714C/15C. 842 */ 843 cidp = &bgep->chipid; 844 if ((cidp->device == DEVICE_ID_5714C) || 845 (cidp->device == DEVICE_ID_5715C)) { 846 if (bgep->lastWriteZeroData && (base == (bge_regno_t)0)) 847 return; 848 /* Adjust lastWriteZeroData */ 849 bgep->lastWriteZeroData = ((base == (bge_regno_t)0) ? 850 B_TRUE : B_FALSE); 851 } 852 pci_config_put32(bgep->cfg_handle, PCI_CONF_BGE_MWBAR, base); 853 } 854 855 856 static uint32_t bge_nic_get32(bge_t *bgep, bge_regno_t addr); 857 #pragma inline(bge_nic_get32) 858 859 static uint32_t 860 bge_nic_get32(bge_t *bgep, bge_regno_t addr) 861 { 862 uint32_t data; 863 864 #ifdef BGE_IPMI_ASF 865 if (bgep->asf_enabled && !bgep->asf_wordswapped) { 866 /* workaround for word swap error */ 867 if (addr & 4) 868 addr = addr - 4; 869 else 870 addr = addr + 4; 871 } 872 #endif 873 874 bge_nic_setwin(bgep, addr & ~MWBAR_GRANULE_MASK); 875 addr &= MWBAR_GRANULE_MASK; 876 addr += NIC_MEM_WINDOW_OFFSET; 877 878 data = ddi_get32(bgep->io_handle, PIO_ADDR(bgep, addr)); 879 880 BGE_TRACE(("bge_nic_get32($%p, 0x%lx) = 0x%08x", 881 (void *)bgep, addr, data)); 882 883 return (data); 884 } 885 886 void bge_nic_put32(bge_t *bgep, bge_regno_t addr, uint32_t data); 887 #pragma inline(bge_nic_put32) 888 889 void 890 bge_nic_put32(bge_t *bgep, bge_regno_t addr, uint32_t data) 891 { 892 BGE_TRACE(("bge_nic_put32($%p, 0x%lx, 0x%08x)", 893 (void *)bgep, addr, data)); 894 895 #ifdef BGE_IPMI_ASF 896 if (bgep->asf_enabled && !bgep->asf_wordswapped) { 897 /* workaround for word swap error */ 898 if (addr & 4) 899 addr = addr - 4; 900 else 901 addr = addr + 4; 902 } 903 #endif 904 905 bge_nic_setwin(bgep, addr & ~MWBAR_GRANULE_MASK); 906 addr &= MWBAR_GRANULE_MASK; 907 addr += NIC_MEM_WINDOW_OFFSET; 908 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, addr), data); 909 BGE_PCICHK(bgep); 910 } 911 912 913 static uint64_t bge_nic_get64(bge_t *bgep, bge_regno_t addr); 914 #pragma inline(bge_nic_get64) 915 916 static uint64_t 917 bge_nic_get64(bge_t *bgep, bge_regno_t addr) 918 { 919 uint64_t data; 920 921 bge_nic_setwin(bgep, addr & ~MWBAR_GRANULE_MASK); 922 addr &= MWBAR_GRANULE_MASK; 923 addr += NIC_MEM_WINDOW_OFFSET; 924 925 #ifdef __amd64 926 if (bge_get_em64t_type()) { 927 data = ddi_get32(bgep->io_handle, PIO_ADDR(bgep, addr)); 928 data <<= 32; 929 data |= ddi_get32(bgep->io_handle, 930 PIO_ADDR(bgep, addr + 4)); 931 } else { 932 data = ddi_get64(bgep->io_handle, PIO_ADDR(bgep, addr)); 933 } 934 #else 935 data = ddi_get64(bgep->io_handle, PIO_ADDR(bgep, addr)); 936 #endif 937 938 BGE_TRACE(("bge_nic_get64($%p, 0x%lx) = 0x%016llx", 939 (void *)bgep, addr, data)); 940 941 return (data); 942 } 943 944 static void bge_nic_put64(bge_t *bgep, bge_regno_t addr, uint64_t data); 945 #pragma inline(bge_nic_put64) 946 947 static void 948 bge_nic_put64(bge_t *bgep, bge_regno_t addr, uint64_t data) 949 { 950 BGE_TRACE(("bge_nic_put64($%p, 0x%lx, 0x%016llx)", 951 (void *)bgep, addr, data)); 952 953 bge_nic_setwin(bgep, addr & ~MWBAR_GRANULE_MASK); 954 addr &= MWBAR_GRANULE_MASK; 955 addr += NIC_MEM_WINDOW_OFFSET; 956 957 #ifdef __amd64 958 if (bge_get_em64t_type()) { 959 ddi_put32(bgep->io_handle, 960 PIO_ADDR(bgep, addr), (uint32_t)data); 961 BGE_PCICHK(bgep); 962 ddi_put32(bgep->io_handle, 963 PIO_ADDR(bgep, addr + 4), (uint32_t)(data >> 32)); 964 } else { 965 ddi_put64(bgep->io_handle, PIO_ADDR(bgep, addr), data); 966 } 967 #else 968 ddi_put64(bgep->io_handle, PIO_ADDR(bgep, addr), data); 969 #endif 970 971 BGE_PCICHK(bgep); 972 } 973 974 /* 975 * The DDI doesn't provide get/put functions for 128 bit data 976 * so we put RCBs out as two 64-bit chunks instead. 977 */ 978 static void bge_nic_putrcb(bge_t *bgep, bge_regno_t addr, bge_rcb_t *rcbp); 979 #pragma inline(bge_nic_putrcb) 980 981 static void 982 bge_nic_putrcb(bge_t *bgep, bge_regno_t addr, bge_rcb_t *rcbp) 983 { 984 uint64_t *p; 985 986 BGE_TRACE(("bge_nic_putrcb($%p, 0x%lx, 0x%016llx:%04x:%04x:%08x)", 987 (void *)bgep, addr, rcbp->host_ring_addr, 988 rcbp->max_len, rcbp->flags, rcbp->nic_ring_addr)); 989 990 ASSERT((addr % sizeof (*rcbp)) == 0); 991 992 bge_nic_setwin(bgep, addr & ~MWBAR_GRANULE_MASK); 993 addr &= MWBAR_GRANULE_MASK; 994 addr += NIC_MEM_WINDOW_OFFSET; 995 996 p = (void *)rcbp; 997 #ifdef __amd64 998 if (bge_get_em64t_type()) { 999 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, addr), 1000 (uint32_t)(*p)); 1001 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, addr + 4), 1002 (uint32_t)(*p >> 32)); 1003 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, addr + 8), 1004 (uint32_t)(*(p + 1))); 1005 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, addr + 12), 1006 (uint32_t)(*p >> 32)); 1007 1008 } else { 1009 ddi_put64(bgep->io_handle, PIO_ADDR(bgep, addr), *p++); 1010 ddi_put64(bgep->io_handle, PIO_ADDR(bgep, addr+8), *p); 1011 } 1012 #else 1013 ddi_put64(bgep->io_handle, PIO_ADDR(bgep, addr), *p++); 1014 ddi_put64(bgep->io_handle, PIO_ADDR(bgep, addr + 8), *p); 1015 #endif 1016 1017 BGE_PCICHK(bgep); 1018 } 1019 1020 static void bge_nic_zero(bge_t *bgep, bge_regno_t addr, uint32_t nbytes); 1021 #pragma inline(bge_nic_zero) 1022 1023 static void 1024 bge_nic_zero(bge_t *bgep, bge_regno_t addr, uint32_t nbytes) 1025 { 1026 BGE_TRACE(("bge_nic_zero($%p, 0x%lx, 0x%x)", 1027 (void *)bgep, addr, nbytes)); 1028 1029 ASSERT((addr & ~MWBAR_GRANULE_MASK) == 1030 ((addr+nbytes) & ~MWBAR_GRANULE_MASK)); 1031 1032 bge_nic_setwin(bgep, addr & ~MWBAR_GRANULE_MASK); 1033 addr &= MWBAR_GRANULE_MASK; 1034 addr += NIC_MEM_WINDOW_OFFSET; 1035 1036 (void) ddi_device_zero(bgep->io_handle, PIO_ADDR(bgep, addr), 1037 nbytes, 1, DDI_DATA_SZ08_ACC); 1038 BGE_PCICHK(bgep); 1039 } 1040 1041 /* 1042 * MII (PHY) register get/set access routines 1043 * 1044 * These use the chip's MII auto-access method, controlled by the 1045 * MII Communication register at 0x044c, so the CPU doesn't have 1046 * to fiddle with the individual bits. 1047 */ 1048 1049 #undef BGE_DBG 1050 #define BGE_DBG BGE_DBG_MII /* debug flag for this code */ 1051 1052 static uint16_t bge_mii_access(bge_t *bgep, bge_regno_t regno, 1053 uint16_t data, uint32_t cmd); 1054 #pragma no_inline(bge_mii_access) 1055 1056 static uint16_t 1057 bge_mii_access(bge_t *bgep, bge_regno_t regno, uint16_t data, uint32_t cmd) 1058 { 1059 uint32_t timeout; 1060 uint32_t regval1; 1061 uint32_t regval2; 1062 1063 BGE_TRACE(("bge_mii_access($%p, 0x%lx, 0x%x, 0x%x)", 1064 (void *)bgep, regno, data, cmd)); 1065 1066 ASSERT(mutex_owned(bgep->genlock)); 1067 1068 /* 1069 * Assemble the command ... 1070 */ 1071 cmd |= data << MI_COMMS_DATA_SHIFT; 1072 cmd |= regno << MI_COMMS_REGISTER_SHIFT; 1073 cmd |= bgep->phy_mii_addr << MI_COMMS_ADDRESS_SHIFT; 1074 cmd |= MI_COMMS_START; 1075 1076 /* 1077 * Wait for any command already in progress ... 1078 * 1079 * Note: this *shouldn't* ever find that there is a command 1080 * in progress, because we already hold the <genlock> mutex. 1081 * Nonetheless, we have sometimes seen the MI_COMMS_START 1082 * bit set here -- it seems that the chip can initiate MII 1083 * accesses internally, even with polling OFF. 1084 */ 1085 regval1 = regval2 = bge_reg_get32(bgep, MI_COMMS_REG); 1086 for (timeout = 100; ; ) { 1087 if ((regval2 & MI_COMMS_START) == 0) { 1088 bge_reg_put32(bgep, MI_COMMS_REG, cmd); 1089 break; 1090 } 1091 if (--timeout == 0) 1092 break; 1093 drv_usecwait(10); 1094 regval2 = bge_reg_get32(bgep, MI_COMMS_REG); 1095 } 1096 1097 if (timeout == 0) 1098 return ((uint16_t)~0u); 1099 1100 if (timeout != 100) 1101 BGE_REPORT((bgep, "bge_mii_access: cmd 0x%x -- " 1102 "MI_COMMS_START set for %d us; 0x%x->0x%x", 1103 cmd, 10*(100-timeout), regval1, regval2)); 1104 1105 regval1 = bge_reg_get32(bgep, MI_COMMS_REG); 1106 for (timeout = 1000; ; ) { 1107 if ((regval1 & MI_COMMS_START) == 0) 1108 break; 1109 if (--timeout == 0) 1110 break; 1111 drv_usecwait(10); 1112 regval1 = bge_reg_get32(bgep, MI_COMMS_REG); 1113 } 1114 1115 /* 1116 * Drop out early if the READ FAILED bit is set -- this chip 1117 * could be a 5703/4S, with a SerDes instead of a PHY! 1118 */ 1119 if (regval2 & MI_COMMS_READ_FAILED) 1120 return ((uint16_t)~0u); 1121 1122 if (timeout == 0) 1123 return ((uint16_t)~0u); 1124 1125 /* 1126 * The PRM says to wait 5us after seeing the START bit clear 1127 * and then re-read the register to get the final value of the 1128 * data field, in order to avoid a race condition where the 1129 * START bit is clear but the data field isn't yet valid. 1130 * 1131 * Note: we don't actually seem to be encounter this race; 1132 * except when the START bit is seen set again (see below), 1133 * the data field doesn't change during this 5us interval. 1134 */ 1135 drv_usecwait(5); 1136 regval2 = bge_reg_get32(bgep, MI_COMMS_REG); 1137 1138 /* 1139 * Unfortunately, when following the PRMs instructions above, 1140 * we have occasionally seen the START bit set again(!) in the 1141 * value read after the 5us delay. This seems to be due to the 1142 * chip autonomously starting another MII access internally. 1143 * In such cases, the command/data/etc fields relate to the 1144 * internal command, rather than the one that we thought had 1145 * just finished. So in this case, we fall back to returning 1146 * the data from the original read that showed START clear. 1147 */ 1148 if (regval2 & MI_COMMS_START) { 1149 BGE_REPORT((bgep, "bge_mii_access: cmd 0x%x -- " 1150 "MI_COMMS_START set after transaction; 0x%x->0x%x", 1151 cmd, regval1, regval2)); 1152 regval2 = regval1; 1153 } 1154 1155 if (regval2 & MI_COMMS_START) 1156 return ((uint16_t)~0u); 1157 1158 if (regval2 & MI_COMMS_READ_FAILED) 1159 return ((uint16_t)~0u); 1160 1161 return ((regval2 & MI_COMMS_DATA_MASK) >> MI_COMMS_DATA_SHIFT); 1162 } 1163 1164 uint16_t bge_mii_get16(bge_t *bgep, bge_regno_t regno); 1165 #pragma no_inline(bge_mii_get16) 1166 1167 uint16_t 1168 bge_mii_get16(bge_t *bgep, bge_regno_t regno) 1169 { 1170 BGE_TRACE(("bge_mii_get16($%p, 0x%lx)", 1171 (void *)bgep, regno)); 1172 1173 ASSERT(mutex_owned(bgep->genlock)); 1174 1175 return (bge_mii_access(bgep, regno, 0, MI_COMMS_COMMAND_READ)); 1176 } 1177 1178 void bge_mii_put16(bge_t *bgep, bge_regno_t regno, uint16_t data); 1179 #pragma no_inline(bge_mii_put16) 1180 1181 void 1182 bge_mii_put16(bge_t *bgep, bge_regno_t regno, uint16_t data) 1183 { 1184 BGE_TRACE(("bge_mii_put16($%p, 0x%lx, 0x%x)", 1185 (void *)bgep, regno, data)); 1186 1187 ASSERT(mutex_owned(bgep->genlock)); 1188 1189 (void) bge_mii_access(bgep, regno, data, MI_COMMS_COMMAND_WRITE); 1190 } 1191 1192 #undef BGE_DBG 1193 #define BGE_DBG BGE_DBG_SEEPROM /* debug flag for this code */ 1194 1195 #if BGE_SEE_IO32 || BGE_FLASH_IO32 1196 1197 /* 1198 * Basic SEEPROM get/set access routine 1199 * 1200 * This uses the chip's SEEPROM auto-access method, controlled by the 1201 * Serial EEPROM Address/Data Registers at 0x6838/683c, so the CPU 1202 * doesn't have to fiddle with the individual bits. 1203 * 1204 * The caller should hold <genlock> and *also* have already acquired 1205 * the right to access the SEEPROM, via bge_nvmem_acquire() above. 1206 * 1207 * Return value: 1208 * 0 on success, 1209 * ENODATA on access timeout (maybe retryable: device may just be busy) 1210 * EPROTO on other h/w or s/w errors. 1211 * 1212 * <*dp> is an input to a SEEPROM_ACCESS_WRITE operation, or an output 1213 * from a (successful) SEEPROM_ACCESS_READ. 1214 */ 1215 static int bge_seeprom_access(bge_t *bgep, uint32_t cmd, bge_regno_t addr, 1216 uint32_t *dp); 1217 #pragma no_inline(bge_seeprom_access) 1218 1219 static int 1220 bge_seeprom_access(bge_t *bgep, uint32_t cmd, bge_regno_t addr, uint32_t *dp) 1221 { 1222 uint32_t tries; 1223 uint32_t regval; 1224 1225 ASSERT(mutex_owned(bgep->genlock)); 1226 1227 /* 1228 * On the newer chips that support both SEEPROM & Flash, we need 1229 * to specifically enable SEEPROM access (Flash is the default). 1230 * On older chips, we don't; SEEPROM is the only NVtype supported, 1231 * and the NVM control registers don't exist ... 1232 */ 1233 switch (bgep->chipid.nvtype) { 1234 case BGE_NVTYPE_NONE: 1235 case BGE_NVTYPE_UNKNOWN: 1236 _NOTE(NOTREACHED) 1237 case BGE_NVTYPE_SEEPROM: 1238 break; 1239 1240 case BGE_NVTYPE_LEGACY_SEEPROM: 1241 case BGE_NVTYPE_UNBUFFERED_FLASH: 1242 case BGE_NVTYPE_BUFFERED_FLASH: 1243 default: 1244 bge_reg_set32(bgep, NVM_CONFIG1_REG, 1245 NVM_CFG1_LEGACY_SEEPROM_MODE); 1246 break; 1247 } 1248 1249 /* 1250 * Check there's no command in progress. 1251 * 1252 * Note: this *shouldn't* ever find that there is a command 1253 * in progress, because we already hold the <genlock> mutex. 1254 * Also, to ensure we don't have a conflict with the chip's 1255 * internal firmware or a process accessing the same (shared) 1256 * SEEPROM through the other port of a 5704, we've already 1257 * been through the "software arbitration" protocol. 1258 * So this is just a final consistency check: we shouldn't 1259 * see EITHER the START bit (command started but not complete) 1260 * OR the COMPLETE bit (command completed but not cleared). 1261 */ 1262 regval = bge_reg_get32(bgep, SERIAL_EEPROM_ADDRESS_REG); 1263 if (regval & SEEPROM_ACCESS_START) 1264 return (EPROTO); 1265 if (regval & SEEPROM_ACCESS_COMPLETE) 1266 return (EPROTO); 1267 1268 /* 1269 * Assemble the command ... 1270 */ 1271 cmd |= addr & SEEPROM_ACCESS_ADDRESS_MASK; 1272 addr >>= SEEPROM_ACCESS_ADDRESS_SIZE; 1273 addr <<= SEEPROM_ACCESS_DEVID_SHIFT; 1274 cmd |= addr & SEEPROM_ACCESS_DEVID_MASK; 1275 cmd |= SEEPROM_ACCESS_START; 1276 cmd |= SEEPROM_ACCESS_COMPLETE; 1277 cmd |= regval & SEEPROM_ACCESS_HALFCLOCK_MASK; 1278 1279 bge_reg_put32(bgep, SERIAL_EEPROM_DATA_REG, *dp); 1280 bge_reg_put32(bgep, SERIAL_EEPROM_ADDRESS_REG, cmd); 1281 1282 /* 1283 * By observation, a successful access takes ~20us on a 5703/4, 1284 * but apparently much longer (up to 1000us) on the obsolescent 1285 * BCM5700/BCM5701. We want to be sure we don't get any false 1286 * timeouts here; but OTOH, we don't want a bogus access to lock 1287 * out interrupts for longer than necessary. So we'll allow up 1288 * to 1000us ... 1289 */ 1290 for (tries = 0; tries < 1000; ++tries) { 1291 regval = bge_reg_get32(bgep, SERIAL_EEPROM_ADDRESS_REG); 1292 if (regval & SEEPROM_ACCESS_COMPLETE) 1293 break; 1294 drv_usecwait(1); 1295 } 1296 1297 if (regval & SEEPROM_ACCESS_COMPLETE) { 1298 /* 1299 * All OK; read the SEEPROM data register, then write back 1300 * the value read from the address register in order to 1301 * clear the <complete> bit and leave the SEEPROM access 1302 * state machine idle, ready for the next access ... 1303 */ 1304 BGE_DEBUG(("bge_seeprom_access: complete after %d us", tries)); 1305 *dp = bge_reg_get32(bgep, SERIAL_EEPROM_DATA_REG); 1306 bge_reg_put32(bgep, SERIAL_EEPROM_ADDRESS_REG, regval); 1307 return (0); 1308 } 1309 1310 /* 1311 * Hmm ... what happened here? 1312 * 1313 * Most likely, the user addressed a non-existent SEEPROM. Or 1314 * maybe the SEEPROM was busy internally (e.g. processing a write) 1315 * and didn't respond to being addressed. Either way, it's left 1316 * the SEEPROM access state machine wedged. So we'll reset it 1317 * before we leave, so it's ready for next time ... 1318 */ 1319 BGE_DEBUG(("bge_seeprom_access: timed out after %d us", tries)); 1320 bge_reg_set32(bgep, SERIAL_EEPROM_ADDRESS_REG, SEEPROM_ACCESS_INIT); 1321 return (ENODATA); 1322 } 1323 1324 /* 1325 * Basic Flash get/set access routine 1326 * 1327 * These use the chip's Flash auto-access method, controlled by the 1328 * Flash Access Registers at 0x7000-701c, so the CPU doesn't have to 1329 * fiddle with the individual bits. 1330 * 1331 * The caller should hold <genlock> and *also* have already acquired 1332 * the right to access the Flash, via bge_nvmem_acquire() above. 1333 * 1334 * Return value: 1335 * 0 on success, 1336 * ENODATA on access timeout (maybe retryable: device may just be busy) 1337 * ENODEV if the NVmem device is missing or otherwise unusable 1338 * 1339 * <*dp> is an input to a NVM_FLASH_CMD_WR operation, or an output 1340 * from a (successful) NVM_FLASH_CMD_RD. 1341 */ 1342 static int bge_flash_access(bge_t *bgep, uint32_t cmd, bge_regno_t addr, 1343 uint32_t *dp); 1344 #pragma no_inline(bge_flash_access) 1345 1346 static int 1347 bge_flash_access(bge_t *bgep, uint32_t cmd, bge_regno_t addr, uint32_t *dp) 1348 { 1349 uint32_t tries; 1350 uint32_t regval; 1351 1352 ASSERT(mutex_owned(bgep->genlock)); 1353 1354 /* 1355 * On the newer chips that support both SEEPROM & Flash, we need 1356 * to specifically disable SEEPROM access while accessing Flash. 1357 * The older chips don't support Flash, and the NVM registers don't 1358 * exist, so we shouldn't be here at all! 1359 */ 1360 switch (bgep->chipid.nvtype) { 1361 case BGE_NVTYPE_NONE: 1362 case BGE_NVTYPE_UNKNOWN: 1363 _NOTE(NOTREACHED) 1364 case BGE_NVTYPE_SEEPROM: 1365 return (ENODEV); 1366 1367 case BGE_NVTYPE_LEGACY_SEEPROM: 1368 case BGE_NVTYPE_UNBUFFERED_FLASH: 1369 case BGE_NVTYPE_BUFFERED_FLASH: 1370 default: 1371 bge_reg_clr32(bgep, NVM_CONFIG1_REG, 1372 NVM_CFG1_LEGACY_SEEPROM_MODE); 1373 break; 1374 } 1375 1376 /* 1377 * Assemble the command ... 1378 */ 1379 addr &= NVM_FLASH_ADDR_MASK; 1380 cmd |= NVM_FLASH_CMD_DOIT; 1381 cmd |= NVM_FLASH_CMD_FIRST; 1382 cmd |= NVM_FLASH_CMD_LAST; 1383 cmd |= NVM_FLASH_CMD_DONE; 1384 1385 bge_reg_put32(bgep, NVM_FLASH_WRITE_REG, *dp); 1386 bge_reg_put32(bgep, NVM_FLASH_ADDR_REG, addr); 1387 bge_reg_put32(bgep, NVM_FLASH_CMD_REG, cmd); 1388 1389 /* 1390 * Allow up to 1000ms ... 1391 */ 1392 for (tries = 0; tries < 1000; ++tries) { 1393 regval = bge_reg_get32(bgep, NVM_FLASH_CMD_REG); 1394 if (regval & NVM_FLASH_CMD_DONE) 1395 break; 1396 drv_usecwait(1); 1397 } 1398 1399 if (regval & NVM_FLASH_CMD_DONE) { 1400 /* 1401 * All OK; read the data from the Flash read register 1402 */ 1403 BGE_DEBUG(("bge_flash_access: complete after %d us", tries)); 1404 *dp = bge_reg_get32(bgep, NVM_FLASH_READ_REG); 1405 return (0); 1406 } 1407 1408 /* 1409 * Hmm ... what happened here? 1410 * 1411 * Most likely, the user addressed a non-existent Flash. Or 1412 * maybe the Flash was busy internally (e.g. processing a write) 1413 * and didn't respond to being addressed. Either way, there's 1414 * nothing we can here ... 1415 */ 1416 BGE_DEBUG(("bge_flash_access: timed out after %d us", tries)); 1417 return (ENODATA); 1418 } 1419 1420 /* 1421 * The next two functions regulate access to the NVram (if fitted). 1422 * 1423 * On a 5704 (dual core) chip, there's only one SEEPROM and one Flash 1424 * (SPI) interface, but they can be accessed through either port. These 1425 * are managed by different instance of this driver and have no software 1426 * state in common. 1427 * 1428 * In addition (and even on a single core chip) the chip's internal 1429 * firmware can access the SEEPROM/Flash, most notably after a RESET 1430 * when it may download code to run internally. 1431 * 1432 * So we need to arbitrate between these various software agents. For 1433 * this purpose, the chip provides the Software Arbitration Register, 1434 * which implements hardware(!) arbitration. 1435 * 1436 * This functionality didn't exist on older (5700/5701) chips, so there's 1437 * nothing we can do by way of arbitration on those; also, if there's no 1438 * SEEPROM/Flash fitted (or we couldn't determine what type), there's also 1439 * nothing to do. 1440 * 1441 * The internal firmware appears to use Request 0, which is the highest 1442 * priority. So we'd like to use Request 2, leaving one higher and one 1443 * lower for any future developments ... but apparently this doesn't 1444 * always work. So for now, the code uses Request 1 ;-( 1445 */ 1446 1447 #define NVM_READ_REQ NVM_READ_REQ1 1448 #define NVM_RESET_REQ NVM_RESET_REQ1 1449 #define NVM_SET_REQ NVM_SET_REQ1 1450 1451 static void bge_nvmem_relinquish(bge_t *bgep); 1452 #pragma no_inline(bge_nvmem_relinquish) 1453 1454 static void 1455 bge_nvmem_relinquish(bge_t *bgep) 1456 { 1457 ASSERT(mutex_owned(bgep->genlock)); 1458 1459 switch (bgep->chipid.nvtype) { 1460 case BGE_NVTYPE_NONE: 1461 case BGE_NVTYPE_UNKNOWN: 1462 _NOTE(NOTREACHED) 1463 return; 1464 1465 case BGE_NVTYPE_SEEPROM: 1466 /* 1467 * No arbitration performed, no release needed 1468 */ 1469 return; 1470 1471 case BGE_NVTYPE_LEGACY_SEEPROM: 1472 case BGE_NVTYPE_UNBUFFERED_FLASH: 1473 case BGE_NVTYPE_BUFFERED_FLASH: 1474 default: 1475 break; 1476 } 1477 1478 /* 1479 * Our own request should be present (whether or not granted) ... 1480 */ 1481 (void) bge_reg_get32(bgep, NVM_SW_ARBITRATION_REG); 1482 1483 /* 1484 * ... this will make it go away. 1485 */ 1486 bge_reg_put32(bgep, NVM_SW_ARBITRATION_REG, NVM_RESET_REQ); 1487 (void) bge_reg_get32(bgep, NVM_SW_ARBITRATION_REG); 1488 } 1489 1490 /* 1491 * Arbitrate for access to the NVmem, if necessary 1492 * 1493 * Return value: 1494 * 0 on success 1495 * EAGAIN if the device is in use (retryable) 1496 * ENODEV if the NVmem device is missing or otherwise unusable 1497 */ 1498 static int bge_nvmem_acquire(bge_t *bgep); 1499 #pragma no_inline(bge_nvmem_acquire) 1500 1501 static int 1502 bge_nvmem_acquire(bge_t *bgep) 1503 { 1504 uint32_t regval; 1505 uint32_t tries; 1506 1507 ASSERT(mutex_owned(bgep->genlock)); 1508 1509 switch (bgep->chipid.nvtype) { 1510 case BGE_NVTYPE_NONE: 1511 case BGE_NVTYPE_UNKNOWN: 1512 /* 1513 * Access denied: no (recognisable) device fitted 1514 */ 1515 return (ENODEV); 1516 1517 case BGE_NVTYPE_SEEPROM: 1518 /* 1519 * Access granted: no arbitration needed (or possible) 1520 */ 1521 return (0); 1522 1523 case BGE_NVTYPE_LEGACY_SEEPROM: 1524 case BGE_NVTYPE_UNBUFFERED_FLASH: 1525 case BGE_NVTYPE_BUFFERED_FLASH: 1526 default: 1527 /* 1528 * Access conditional: conduct arbitration protocol 1529 */ 1530 break; 1531 } 1532 1533 /* 1534 * We're holding the per-port mutex <genlock>, so no-one other 1535 * thread can be attempting to access the NVmem through *this* 1536 * port. But it could be in use by the *other* port (of a 5704), 1537 * or by the chip's internal firmware, so we have to go through 1538 * the full (hardware) arbitration protocol ... 1539 * 1540 * Note that *because* we're holding <genlock>, the interrupt handler 1541 * won't be able to progress. So we're only willing to spin for a 1542 * fairly short time. Specifically: 1543 * 1544 * We *must* wait long enough for the hardware to resolve all 1545 * requests and determine the winner. Fortunately, this is 1546 * "almost instantaneous", even as observed by GHz CPUs. 1547 * 1548 * A successful access by another Solaris thread (via either 1549 * port) typically takes ~20us. So waiting a bit longer than 1550 * that will give a good chance of success, if the other user 1551 * *is* another thread on the other port. 1552 * 1553 * However, the internal firmware can hold on to the NVmem 1554 * for *much* longer: at least 10 milliseconds just after a 1555 * RESET, and maybe even longer if the NVmem actually contains 1556 * code to download and run on the internal CPUs. 1557 * 1558 * So, we'll allow 50us; if that's not enough then it's up to the 1559 * caller to retry later (hence the choice of return code EAGAIN). 1560 */ 1561 regval = bge_reg_get32(bgep, NVM_SW_ARBITRATION_REG); 1562 bge_reg_put32(bgep, NVM_SW_ARBITRATION_REG, NVM_SET_REQ); 1563 1564 for (tries = 0; tries < 50; ++tries) { 1565 regval = bge_reg_get32(bgep, NVM_SW_ARBITRATION_REG); 1566 if (regval & NVM_WON_REQ1) 1567 break; 1568 drv_usecwait(1); 1569 } 1570 1571 if (regval & NVM_WON_REQ1) { 1572 BGE_DEBUG(("bge_nvmem_acquire: won after %d us", tries)); 1573 return (0); 1574 } 1575 1576 /* 1577 * Somebody else must be accessing the NVmem, so abandon our 1578 * attempt take control of it. The caller can try again later ... 1579 */ 1580 BGE_DEBUG(("bge_nvmem_acquire: lost after %d us", tries)); 1581 bge_nvmem_relinquish(bgep); 1582 return (EAGAIN); 1583 } 1584 1585 /* 1586 * This code assumes that the GPIO1 bit has been wired up to the NVmem 1587 * write protect line in such a way that the NVmem is protected when 1588 * GPIO1 is an input, or is an output but driven high. Thus, to make the 1589 * NVmem writable we have to change GPIO1 to an output AND drive it low. 1590 * 1591 * Note: there's only one set of GPIO pins on a 5704, even though they 1592 * can be accessed through either port. So the chip has to resolve what 1593 * happens if the two ports program a single pin differently ... the rule 1594 * it uses is that if the ports disagree about the *direction* of a pin, 1595 * "output" wins over "input", but if they disagree about its *value* as 1596 * an output, then the pin is TRISTATED instead! In such a case, no-one 1597 * wins, and the external signal does whatever the external circuitry 1598 * defines as the default -- which we've assumed is the PROTECTED state. 1599 * So, we always change GPIO1 back to being an *input* whenever we're not 1600 * specifically using it to unprotect the NVmem. This allows either port 1601 * to update the NVmem, although obviously only one at a time! 1602 * 1603 * The caller should hold <genlock> and *also* have already acquired the 1604 * right to access the NVmem, via bge_nvmem_acquire() above. 1605 */ 1606 static void bge_nvmem_protect(bge_t *bgep, boolean_t protect); 1607 #pragma inline(bge_nvmem_protect) 1608 1609 static void 1610 bge_nvmem_protect(bge_t *bgep, boolean_t protect) 1611 { 1612 uint32_t regval; 1613 1614 ASSERT(mutex_owned(bgep->genlock)); 1615 1616 regval = bge_reg_get32(bgep, MISC_LOCAL_CONTROL_REG); 1617 if (protect) { 1618 regval |= MLCR_MISC_PINS_OUTPUT_1; 1619 regval &= ~MLCR_MISC_PINS_OUTPUT_ENABLE_1; 1620 } else { 1621 regval &= ~MLCR_MISC_PINS_OUTPUT_1; 1622 regval |= MLCR_MISC_PINS_OUTPUT_ENABLE_1; 1623 } 1624 bge_reg_put32(bgep, MISC_LOCAL_CONTROL_REG, regval); 1625 } 1626 1627 /* 1628 * Now put it all together ... 1629 * 1630 * Try to acquire control of the NVmem; if successful, then: 1631 * unprotect it (if we want to write to it) 1632 * perform the requested access 1633 * reprotect it (after a write) 1634 * relinquish control 1635 * 1636 * Return value: 1637 * 0 on success, 1638 * EAGAIN if the device is in use (retryable) 1639 * ENODATA on access timeout (maybe retryable: device may just be busy) 1640 * ENODEV if the NVmem device is missing or otherwise unusable 1641 * EPROTO on other h/w or s/w errors. 1642 */ 1643 static int 1644 bge_nvmem_rw32(bge_t *bgep, uint32_t cmd, bge_regno_t addr, uint32_t *dp) 1645 { 1646 int err; 1647 1648 if ((err = bge_nvmem_acquire(bgep)) == 0) { 1649 switch (cmd) { 1650 case BGE_SEE_READ: 1651 err = bge_seeprom_access(bgep, 1652 SEEPROM_ACCESS_READ, addr, dp); 1653 break; 1654 1655 case BGE_SEE_WRITE: 1656 bge_nvmem_protect(bgep, B_FALSE); 1657 err = bge_seeprom_access(bgep, 1658 SEEPROM_ACCESS_WRITE, addr, dp); 1659 bge_nvmem_protect(bgep, B_TRUE); 1660 break; 1661 1662 case BGE_FLASH_READ: 1663 if (DEVICE_5721_SERIES_CHIPSETS(bgep) || 1664 DEVICE_5714_SERIES_CHIPSETS(bgep)) { 1665 bge_reg_set32(bgep, NVM_ACCESS_REG, 1666 NVM_ACCESS_ENABLE); 1667 } 1668 err = bge_flash_access(bgep, 1669 NVM_FLASH_CMD_RD, addr, dp); 1670 if (DEVICE_5721_SERIES_CHIPSETS(bgep) || 1671 DEVICE_5714_SERIES_CHIPSETS(bgep)) { 1672 bge_reg_clr32(bgep, NVM_ACCESS_REG, 1673 NVM_ACCESS_ENABLE); 1674 } 1675 break; 1676 1677 case BGE_FLASH_WRITE: 1678 if (DEVICE_5721_SERIES_CHIPSETS(bgep) || 1679 DEVICE_5714_SERIES_CHIPSETS(bgep)) { 1680 bge_reg_set32(bgep, NVM_ACCESS_REG, 1681 NVM_WRITE_ENABLE|NVM_ACCESS_ENABLE); 1682 } 1683 bge_nvmem_protect(bgep, B_FALSE); 1684 err = bge_flash_access(bgep, 1685 NVM_FLASH_CMD_WR, addr, dp); 1686 bge_nvmem_protect(bgep, B_TRUE); 1687 if (DEVICE_5721_SERIES_CHIPSETS(bgep) || 1688 DEVICE_5714_SERIES_CHIPSETS(bgep)) { 1689 bge_reg_clr32(bgep, NVM_ACCESS_REG, 1690 NVM_WRITE_ENABLE|NVM_ACCESS_ENABLE); 1691 } 1692 1693 break; 1694 1695 default: 1696 _NOTE(NOTREACHED) 1697 break; 1698 } 1699 bge_nvmem_relinquish(bgep); 1700 } 1701 1702 BGE_DEBUG(("bge_nvmem_rw32: err %d", err)); 1703 return (err); 1704 } 1705 1706 /* 1707 * Attempt to get a MAC address from the SEEPROM or Flash, if any 1708 */ 1709 static uint64_t bge_get_nvmac(bge_t *bgep); 1710 #pragma no_inline(bge_get_nvmac) 1711 1712 static uint64_t 1713 bge_get_nvmac(bge_t *bgep) 1714 { 1715 uint32_t mac_high; 1716 uint32_t mac_low; 1717 uint32_t addr; 1718 uint32_t cmd; 1719 uint64_t mac; 1720 1721 BGE_TRACE(("bge_get_nvmac($%p)", 1722 (void *)bgep)); 1723 1724 switch (bgep->chipid.nvtype) { 1725 case BGE_NVTYPE_NONE: 1726 case BGE_NVTYPE_UNKNOWN: 1727 default: 1728 return (0ULL); 1729 1730 case BGE_NVTYPE_SEEPROM: 1731 case BGE_NVTYPE_LEGACY_SEEPROM: 1732 cmd = BGE_SEE_READ; 1733 break; 1734 1735 case BGE_NVTYPE_UNBUFFERED_FLASH: 1736 case BGE_NVTYPE_BUFFERED_FLASH: 1737 cmd = BGE_FLASH_READ; 1738 break; 1739 } 1740 1741 addr = NVMEM_DATA_MAC_ADDRESS; 1742 if (bge_nvmem_rw32(bgep, cmd, addr, &mac_high)) 1743 return (0ULL); 1744 addr += 4; 1745 if (bge_nvmem_rw32(bgep, cmd, addr, &mac_low)) 1746 return (0ULL); 1747 1748 /* 1749 * The Broadcom chip is natively BIG-endian, so that's how the 1750 * MAC address is represented in NVmem. We may need to swap it 1751 * around on a little-endian host ... 1752 */ 1753 #ifdef _BIG_ENDIAN 1754 mac = mac_high; 1755 mac = mac << 32; 1756 mac |= mac_low; 1757 #else 1758 mac = BGE_BSWAP_32(mac_high); 1759 mac = mac << 32; 1760 mac |= BGE_BSWAP_32(mac_low); 1761 #endif /* _BIG_ENDIAN */ 1762 1763 return (mac); 1764 } 1765 1766 #else /* BGE_SEE_IO32 || BGE_FLASH_IO32 */ 1767 1768 /* 1769 * Dummy version for when we're not supporting NVmem access 1770 */ 1771 static uint64_t bge_get_nvmac(bge_t *bgep); 1772 #pragma inline(bge_get_nvmac) 1773 1774 static uint64_t 1775 bge_get_nvmac(bge_t *bgep) 1776 { 1777 _NOTE(ARGUNUSED(bgep)) 1778 return (0ULL); 1779 } 1780 1781 #endif /* BGE_SEE_IO32 || BGE_FLASH_IO32 */ 1782 1783 /* 1784 * Determine the type of NVmem that is (or may be) attached to this chip, 1785 */ 1786 static enum bge_nvmem_type bge_nvmem_id(bge_t *bgep); 1787 #pragma no_inline(bge_nvmem_id) 1788 1789 static enum bge_nvmem_type 1790 bge_nvmem_id(bge_t *bgep) 1791 { 1792 enum bge_nvmem_type nvtype; 1793 uint32_t config1; 1794 1795 BGE_TRACE(("bge_nvmem_id($%p)", 1796 (void *)bgep)); 1797 1798 switch (bgep->chipid.device) { 1799 default: 1800 /* 1801 * We shouldn't get here; it means we don't recognise 1802 * the chip, which means we don't know how to determine 1803 * what sort of NVmem (if any) it has. So we'll say 1804 * NONE, to disable the NVmem access code ... 1805 */ 1806 nvtype = BGE_NVTYPE_NONE; 1807 break; 1808 1809 case DEVICE_ID_5700: 1810 case DEVICE_ID_5700x: 1811 case DEVICE_ID_5701: 1812 /* 1813 * These devices support *only* SEEPROMs 1814 */ 1815 nvtype = BGE_NVTYPE_SEEPROM; 1816 break; 1817 1818 case DEVICE_ID_5702: 1819 case DEVICE_ID_5702fe: 1820 case DEVICE_ID_5703C: 1821 case DEVICE_ID_5703S: 1822 case DEVICE_ID_5704C: 1823 case DEVICE_ID_5704S: 1824 case DEVICE_ID_5704: 1825 case DEVICE_ID_5705M: 1826 case DEVICE_ID_5705C: 1827 case DEVICE_ID_5705_2: 1828 case DEVICE_ID_5706: 1829 case DEVICE_ID_5782: 1830 case DEVICE_ID_5788: 1831 case DEVICE_ID_5789: 1832 case DEVICE_ID_5751: 1833 case DEVICE_ID_5751M: 1834 case DEVICE_ID_5752: 1835 case DEVICE_ID_5752M: 1836 case DEVICE_ID_5721: 1837 case DEVICE_ID_5714C: 1838 case DEVICE_ID_5714S: 1839 case DEVICE_ID_5715C: 1840 case DEVICE_ID_5715S: 1841 config1 = bge_reg_get32(bgep, NVM_CONFIG1_REG); 1842 if (config1 & NVM_CFG1_FLASH_MODE) 1843 if (config1 & NVM_CFG1_BUFFERED_MODE) 1844 nvtype = BGE_NVTYPE_BUFFERED_FLASH; 1845 else 1846 nvtype = BGE_NVTYPE_UNBUFFERED_FLASH; 1847 else 1848 nvtype = BGE_NVTYPE_LEGACY_SEEPROM; 1849 break; 1850 } 1851 1852 return (nvtype); 1853 } 1854 1855 #undef BGE_DBG 1856 #define BGE_DBG BGE_DBG_CHIP /* debug flag for this code */ 1857 1858 static void 1859 bge_init_recv_rule(bge_t *bgep) 1860 { 1861 bge_recv_rule_t *rulep; 1862 uint32_t i; 1863 1864 /* 1865 * receive rule: direct all TCP traffic to ring RULE_MATCH_TO_RING 1866 * 1. to direct UDP traffic, set: 1867 * rulep->control = RULE_PROTO_CONTROL; 1868 * rulep->mask_value = RULE_UDP_MASK_VALUE; 1869 * 2. to direct ICMP traffic, set: 1870 * rulep->control = RULE_PROTO_CONTROL; 1871 * rulep->mask_value = RULE_ICMP_MASK_VALUE; 1872 * 3. to direct traffic by source ip, set: 1873 * rulep->control = RULE_SIP_CONTROL; 1874 * rulep->mask_value = RULE_SIP_MASK_VALUE; 1875 */ 1876 rulep = bgep->recv_rules; 1877 rulep->control = RULE_PROTO_CONTROL; 1878 rulep->mask_value = RULE_TCP_MASK_VALUE; 1879 1880 /* 1881 * set receive rule registers 1882 */ 1883 rulep = bgep->recv_rules; 1884 for (i = 0; i < RECV_RULES_NUM_MAX; i++, rulep++) { 1885 bge_reg_put32(bgep, RECV_RULE_MASK_REG(i), rulep->mask_value); 1886 bge_reg_put32(bgep, RECV_RULE_CONTROL_REG(i), rulep->control); 1887 } 1888 } 1889 1890 /* 1891 * Using the values captured by bge_chip_cfg_init(), and additional probes 1892 * as required, characterise the chip fully: determine the label by which 1893 * to refer to this chip, the correct settings for various registers, and 1894 * of course whether the device and/or subsystem are supported! 1895 */ 1896 int bge_chip_id_init(bge_t *bgep); 1897 #pragma no_inline(bge_chip_id_init) 1898 1899 int 1900 bge_chip_id_init(bge_t *bgep) 1901 { 1902 char buf[MAXPATHLEN]; /* any risk of stack overflow? */ 1903 boolean_t sys_ok; 1904 boolean_t dev_ok; 1905 chip_id_t *cidp; 1906 uint32_t subid; 1907 char *devname; 1908 char *sysname; 1909 int *ids; 1910 int err; 1911 uint_t i; 1912 1913 ASSERT(bgep->bge_chip_state == BGE_CHIP_INITIAL); 1914 1915 sys_ok = dev_ok = B_FALSE; 1916 cidp = &bgep->chipid; 1917 1918 /* 1919 * Check the PCI device ID to determine the generic chip type and 1920 * select parameters that depend on this. 1921 * 1922 * Note: because the SPARC platforms in general don't fit the 1923 * SEEPROM 'behind' the chip, the PCI revision ID register reads 1924 * as zero - which is why we use <asic_rev> rather than <revision> 1925 * below ... 1926 * 1927 * Note: in general we can't distinguish between the Copper/SerDes 1928 * versions by ID alone, as some Copper devices (e.g. some but not 1929 * all 5703Cs) have the same ID as the SerDes equivalents. So we 1930 * treat them the same here, and the MII code works out the media 1931 * type later on ... 1932 */ 1933 cidp->mbuf_base = bge_mbuf_pool_base; 1934 cidp->mbuf_length = bge_mbuf_pool_len; 1935 cidp->recv_slots = BGE_RECV_SLOTS_USED; 1936 cidp->bge_dma_rwctrl = bge_dma_rwctrl; 1937 cidp->pci_type = BGE_PCI_X; 1938 cidp->statistic_type = BGE_STAT_BLK; 1939 cidp->mbuf_lo_water_rdma = bge_mbuf_lo_water_rdma; 1940 cidp->mbuf_lo_water_rmac = bge_mbuf_lo_water_rmac; 1941 cidp->mbuf_hi_water = bge_mbuf_hi_water; 1942 1943 if (cidp->rx_rings == 0 || cidp->rx_rings > BGE_RECV_RINGS_MAX) 1944 cidp->rx_rings = BGE_RECV_RINGS_DEFAULT; 1945 if (cidp->tx_rings == 0 || cidp->tx_rings > BGE_SEND_RINGS_MAX) 1946 cidp->tx_rings = BGE_SEND_RINGS_DEFAULT; 1947 1948 cidp->msi_enabled = B_FALSE; 1949 1950 switch (cidp->device) { 1951 case DEVICE_ID_5700: 1952 case DEVICE_ID_5700x: 1953 cidp->chip_label = 5700; 1954 cidp->flags |= CHIP_FLAG_PARTIAL_CSUM; 1955 break; 1956 1957 case DEVICE_ID_5701: 1958 cidp->chip_label = 5701; 1959 dev_ok = B_TRUE; 1960 cidp->flags |= CHIP_FLAG_PARTIAL_CSUM; 1961 break; 1962 1963 case DEVICE_ID_5702: 1964 case DEVICE_ID_5702fe: 1965 cidp->chip_label = 5702; 1966 dev_ok = B_TRUE; 1967 cidp->flags |= CHIP_FLAG_PARTIAL_CSUM; 1968 cidp->pci_type = BGE_PCI; 1969 break; 1970 1971 case DEVICE_ID_5703C: 1972 case DEVICE_ID_5703S: 1973 case DEVICE_ID_5703: 1974 /* 1975 * Revision A0 of the 5703/5793 had various errata 1976 * that we can't or don't work around, so it's not 1977 * supported, but all later versions are 1978 */ 1979 cidp->chip_label = cidp->subven == VENDOR_ID_SUN ? 5793 : 5703; 1980 if (bgep->chipid.asic_rev != MHCR_CHIP_REV_5703_A0) 1981 dev_ok = B_TRUE; 1982 cidp->flags |= CHIP_FLAG_PARTIAL_CSUM; 1983 break; 1984 1985 case DEVICE_ID_5704C: 1986 case DEVICE_ID_5704S: 1987 case DEVICE_ID_5704: 1988 /* 1989 * Revision A0 of the 5704/5794 had various errata 1990 * but we have workarounds, so it *is* supported. 1991 */ 1992 cidp->chip_label = cidp->subven == VENDOR_ID_SUN ? 5794 : 5704; 1993 cidp->mbuf_base = bge_mbuf_pool_base_5704; 1994 cidp->mbuf_length = bge_mbuf_pool_len_5704; 1995 dev_ok = B_TRUE; 1996 if (cidp->asic_rev < MHCR_CHIP_REV_5704_B0) 1997 cidp->flags |= CHIP_FLAG_PARTIAL_CSUM; 1998 break; 1999 2000 case DEVICE_ID_5705C: 2001 case DEVICE_ID_5705M: 2002 case DEVICE_ID_5705MA3: 2003 case DEVICE_ID_5705F: 2004 case DEVICE_ID_5705_2: 2005 cidp->chip_label = 5705; 2006 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2007 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2008 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2009 cidp->mbuf_base = bge_mbuf_pool_base_5705; 2010 cidp->mbuf_length = bge_mbuf_pool_len_5705; 2011 cidp->recv_slots = BGE_RECV_SLOTS_5705; 2012 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2013 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2014 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2015 cidp->flags |= CHIP_FLAG_PARTIAL_CSUM; 2016 cidp->pci_type = BGE_PCI; 2017 cidp->statistic_type = BGE_STAT_REG; 2018 dev_ok = B_TRUE; 2019 break; 2020 2021 case DEVICE_ID_5706: 2022 cidp->chip_label = 5706; 2023 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2024 break; 2025 2026 case DEVICE_ID_5782: 2027 /* 2028 * Apart from the label, we treat this as a 5705(?) 2029 */ 2030 cidp->chip_label = 5782; 2031 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2032 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2033 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2034 cidp->mbuf_base = bge_mbuf_pool_base_5705; 2035 cidp->mbuf_length = bge_mbuf_pool_len_5705; 2036 cidp->recv_slots = BGE_RECV_SLOTS_5705; 2037 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2038 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2039 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2040 cidp->flags |= CHIP_FLAG_PARTIAL_CSUM; 2041 cidp->statistic_type = BGE_STAT_REG; 2042 dev_ok = B_TRUE; 2043 break; 2044 2045 case DEVICE_ID_5788: 2046 /* 2047 * Apart from the label, we treat this as a 5705(?) 2048 */ 2049 cidp->chip_label = 5788; 2050 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2051 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2052 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2053 cidp->mbuf_base = bge_mbuf_pool_base_5705; 2054 cidp->mbuf_length = bge_mbuf_pool_len_5705; 2055 cidp->recv_slots = BGE_RECV_SLOTS_5705; 2056 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2057 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2058 cidp->statistic_type = BGE_STAT_REG; 2059 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2060 dev_ok = B_TRUE; 2061 break; 2062 2063 case DEVICE_ID_5714C: 2064 if (cidp->revision >= REVISION_ID_5714_A2) 2065 cidp->msi_enabled = bge_enable_msi; 2066 /* FALLTHRU */ 2067 case DEVICE_ID_5714S: 2068 cidp->chip_label = 5714; 2069 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2070 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2071 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2072 cidp->mbuf_base = bge_mbuf_pool_base_5721; 2073 cidp->mbuf_length = bge_mbuf_pool_len_5721; 2074 cidp->recv_slots = BGE_RECV_SLOTS_5721; 2075 cidp->bge_dma_rwctrl = bge_dma_rwctrl_5714; 2076 cidp->bge_mlcr_default = bge_mlcr_default_5714; 2077 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2078 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2079 cidp->pci_type = BGE_PCI_E; 2080 cidp->statistic_type = BGE_STAT_REG; 2081 dev_ok = B_TRUE; 2082 break; 2083 2084 case DEVICE_ID_5715C: 2085 case DEVICE_ID_5715S: 2086 cidp->chip_label = 5715; 2087 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2088 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2089 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2090 cidp->mbuf_base = bge_mbuf_pool_base_5721; 2091 cidp->mbuf_length = bge_mbuf_pool_len_5721; 2092 cidp->recv_slots = BGE_RECV_SLOTS_5721; 2093 cidp->bge_dma_rwctrl = bge_dma_rwctrl_5715; 2094 cidp->bge_mlcr_default = bge_mlcr_default_5714; 2095 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2096 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2097 cidp->pci_type = BGE_PCI_E; 2098 cidp->statistic_type = BGE_STAT_REG; 2099 if (cidp->revision >= REVISION_ID_5715_A2) 2100 cidp->msi_enabled = bge_enable_msi; 2101 dev_ok = B_TRUE; 2102 break; 2103 2104 case DEVICE_ID_5721: 2105 cidp->chip_label = 5721; 2106 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2107 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2108 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2109 cidp->mbuf_base = bge_mbuf_pool_base_5721; 2110 cidp->mbuf_length = bge_mbuf_pool_len_5721; 2111 cidp->recv_slots = BGE_RECV_SLOTS_5721; 2112 cidp->bge_dma_rwctrl = bge_dma_rwctrl_5721; 2113 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2114 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2115 cidp->pci_type = BGE_PCI_E; 2116 cidp->statistic_type = BGE_STAT_REG; 2117 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2118 dev_ok = B_TRUE; 2119 break; 2120 2121 case DEVICE_ID_5751: 2122 case DEVICE_ID_5751M: 2123 cidp->chip_label = 5751; 2124 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2125 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2126 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2127 cidp->mbuf_base = bge_mbuf_pool_base_5721; 2128 cidp->mbuf_length = bge_mbuf_pool_len_5721; 2129 cidp->recv_slots = BGE_RECV_SLOTS_5721; 2130 cidp->bge_dma_rwctrl = bge_dma_rwctrl_5721; 2131 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2132 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2133 cidp->pci_type = BGE_PCI_E; 2134 cidp->statistic_type = BGE_STAT_REG; 2135 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2136 dev_ok = B_TRUE; 2137 break; 2138 2139 case DEVICE_ID_5752: 2140 case DEVICE_ID_5752M: 2141 cidp->chip_label = 5752; 2142 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2143 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2144 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2145 cidp->mbuf_base = bge_mbuf_pool_base_5721; 2146 cidp->mbuf_length = bge_mbuf_pool_len_5721; 2147 cidp->recv_slots = BGE_RECV_SLOTS_5721; 2148 cidp->bge_dma_rwctrl = bge_dma_rwctrl_5721; 2149 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2150 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2151 cidp->pci_type = BGE_PCI_E; 2152 cidp->statistic_type = BGE_STAT_REG; 2153 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2154 dev_ok = B_TRUE; 2155 break; 2156 2157 case DEVICE_ID_5789: 2158 cidp->chip_label = 5789; 2159 cidp->mbuf_base = bge_mbuf_pool_base_5721; 2160 cidp->mbuf_length = bge_mbuf_pool_len_5721; 2161 cidp->recv_slots = BGE_RECV_SLOTS_5721; 2162 cidp->bge_dma_rwctrl = bge_dma_rwctrl_5721; 2163 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2164 cidp->tx_rings = BGE_RECV_RINGS_MAX_5705; 2165 cidp->pci_type = BGE_PCI_E; 2166 cidp->statistic_type = BGE_STAT_REG; 2167 cidp->flags |= CHIP_FLAG_PARTIAL_CSUM; 2168 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2169 cidp->msi_enabled = B_TRUE; 2170 dev_ok = B_TRUE; 2171 break; 2172 2173 } 2174 2175 /* 2176 * Setup the default jumbo parameter. 2177 */ 2178 cidp->ethmax_size = ETHERMAX; 2179 cidp->snd_buff_size = BGE_SEND_BUFF_SIZE_DEFAULT; 2180 cidp->std_buf_size = BGE_STD_BUFF_SIZE; 2181 2182 /* 2183 * If jumbo is enabled and this kind of chipset supports jumbo feature, 2184 * setup below jumbo specific parameters. 2185 * 2186 * For BCM5714/5715, there is only one standard receive ring. So the 2187 * std buffer size should be set to BGE_JUMBO_BUFF_SIZE when jumbo 2188 * feature is enabled. 2189 */ 2190 if (bge_jumbo_enable && 2191 !(cidp->flags & CHIP_FLAG_NO_JUMBO) && 2192 (cidp->default_mtu > BGE_DEFAULT_MTU) && 2193 (cidp->default_mtu <= BGE_MAXIMUM_MTU)) { 2194 if (DEVICE_5714_SERIES_CHIPSETS(bgep)) { 2195 cidp->mbuf_lo_water_rdma = 2196 RDMA_MBUF_LOWAT_5714_JUMBO; 2197 cidp->mbuf_lo_water_rmac = 2198 MAC_RX_MBUF_LOWAT_5714_JUMBO; 2199 cidp->mbuf_hi_water = MBUF_HIWAT_5714_JUMBO; 2200 cidp->jumbo_slots = 0; 2201 cidp->std_buf_size = BGE_JUMBO_BUFF_SIZE; 2202 } else { 2203 cidp->mbuf_lo_water_rdma = 2204 RDMA_MBUF_LOWAT_JUMBO; 2205 cidp->mbuf_lo_water_rmac = 2206 MAC_RX_MBUF_LOWAT_JUMBO; 2207 cidp->mbuf_hi_water = MBUF_HIWAT_JUMBO; 2208 cidp->jumbo_slots = BGE_JUMBO_SLOTS_USED; 2209 } 2210 cidp->recv_jumbo_size = BGE_JUMBO_BUFF_SIZE; 2211 cidp->snd_buff_size = BGE_SEND_BUFF_SIZE_JUMBO; 2212 cidp->ethmax_size = cidp->default_mtu + 2213 sizeof (struct ether_header); 2214 } 2215 2216 /* 2217 * Identify the NV memory type: SEEPROM or Flash? 2218 */ 2219 cidp->nvtype = bge_nvmem_id(bgep); 2220 2221 /* 2222 * Now, we want to check whether this device is part of a 2223 * supported subsystem (e.g., on the motherboard of a Sun 2224 * branded platform). 2225 * 2226 * Rule 1: If the Subsystem Vendor ID is "Sun", then it's OK ;-) 2227 */ 2228 if (cidp->subven == VENDOR_ID_SUN) 2229 sys_ok = B_TRUE; 2230 2231 /* 2232 * Rule 2: If it's on the list on known subsystems, then it's OK. 2233 * Note: 0x14e41647 should *not* appear in the list, but the code 2234 * doesn't enforce that. 2235 */ 2236 err = ddi_prop_lookup_int_array(DDI_DEV_T_ANY, bgep->devinfo, 2237 DDI_PROP_DONTPASS, knownids_propname, &ids, &i); 2238 if (err == DDI_PROP_SUCCESS) { 2239 /* 2240 * Got the list; scan for a matching subsystem vendor/device 2241 */ 2242 subid = (cidp->subven << 16) | cidp->subdev; 2243 while (i--) 2244 if (ids[i] == subid) 2245 sys_ok = B_TRUE; 2246 ddi_prop_free(ids); 2247 } 2248 2249 /* 2250 * Rule 3: If it's a Taco/ENWS motherboard device, then it's OK 2251 * 2252 * Unfortunately, early SunBlade 1500s and 2500s didn't reprogram 2253 * the Subsystem Vendor ID, so it defaults to Broadcom. Therefore, 2254 * we have to check specially for the exact device paths to the 2255 * motherboard devices on those platforms ;-( 2256 * 2257 * Note: we can't just use the "supported-subsystems" mechanism 2258 * above, because the entry would have to be 0x14e41647 -- which 2259 * would then accept *any* plugin card that *didn't* contain a 2260 * (valid) SEEPROM ;-( 2261 */ 2262 sysname = ddi_node_name(ddi_root_node()); 2263 devname = ddi_pathname(bgep->devinfo, buf); 2264 ASSERT(strlen(devname) > 0); 2265 if (strcmp(sysname, "SUNW,Sun-Blade-1500") == 0) /* Taco */ 2266 if (strcmp(devname, "/pci@1f,700000/network@2") == 0) 2267 sys_ok = B_TRUE; 2268 if (strcmp(sysname, "SUNW,Sun-Blade-2500") == 0) /* ENWS */ 2269 if (strcmp(devname, "/pci@1c,600000/network@3") == 0) 2270 sys_ok = B_TRUE; 2271 2272 /* 2273 * Now check what we've discovered: is this truly a supported 2274 * chip on (the motherboard of) a supported platform? 2275 * 2276 * Possible problems here: 2277 * 1) it's a completely unheard-of chip (e.g. 5761) 2278 * 2) it's a recognised but unsupported chip (e.g. 5701, 5703C-A0) 2279 * 3) it's a chip we would support if it were on the motherboard 2280 * of a Sun platform, but this one isn't ;-( 2281 */ 2282 if (cidp->chip_label == 0) 2283 bge_problem(bgep, 2284 "Device 'pci%04x,%04x' not recognized (%d?)", 2285 cidp->vendor, cidp->device, cidp->device); 2286 else if (!dev_ok) 2287 bge_problem(bgep, 2288 "Device 'pci%04x,%04x' (%d) revision %d not supported", 2289 cidp->vendor, cidp->device, cidp->chip_label, 2290 cidp->revision); 2291 #if BGE_DEBUGGING 2292 else if (!sys_ok) 2293 bge_problem(bgep, 2294 "%d-based subsystem 'pci%04x,%04x' not validated", 2295 cidp->chip_label, cidp->subven, cidp->subdev); 2296 #endif 2297 else 2298 cidp->flags |= CHIP_FLAG_SUPPORTED; 2299 if (bge_check_acc_handle(bgep, bgep->io_handle) != DDI_FM_OK) 2300 return (EIO); 2301 return (0); 2302 } 2303 2304 void 2305 bge_chip_msi_trig(bge_t *bgep) 2306 { 2307 uint32_t regval; 2308 2309 regval = bgep->param_msi_cnt<<4; 2310 bge_reg_set32(bgep, HOST_COALESCE_MODE_REG, regval); 2311 BGE_DEBUG(("bge_chip_msi_trig:data = %d", regval)); 2312 } 2313 2314 /* 2315 * Various registers that control the chip's internal engines (state 2316 * machines) have a <reset> and <enable> bits (fortunately, in the 2317 * same place in each such register :-). 2318 * 2319 * To reset the state machine, the <reset> bit must be written with 1; 2320 * it will then read back as 1 while the reset is in progress, but 2321 * self-clear to 0 when the reset completes. 2322 * 2323 * To enable a state machine, one must set the <enable> bit, which 2324 * will continue to read back as 0 until the state machine is running. 2325 * 2326 * To disable a state machine, the <enable> bit must be cleared, but 2327 * it will continue to read back as 1 until the state machine actually 2328 * stops. 2329 * 2330 * This routine implements polling for completion of a reset, enable 2331 * or disable operation, returning B_TRUE on success (bit reached the 2332 * required state) or B_FALSE on timeout (200*100us == 20ms). 2333 */ 2334 static boolean_t bge_chip_poll_engine(bge_t *bgep, bge_regno_t regno, 2335 uint32_t mask, uint32_t val); 2336 #pragma no_inline(bge_chip_poll_engine) 2337 2338 static boolean_t 2339 bge_chip_poll_engine(bge_t *bgep, bge_regno_t regno, 2340 uint32_t mask, uint32_t val) 2341 { 2342 uint32_t regval; 2343 uint32_t n; 2344 2345 BGE_TRACE(("bge_chip_poll_engine($%p, 0x%lx, 0x%x, 0x%x)", 2346 (void *)bgep, regno, mask, val)); 2347 2348 for (n = 200; n; --n) { 2349 regval = bge_reg_get32(bgep, regno); 2350 if ((regval & mask) == val) 2351 return (B_TRUE); 2352 drv_usecwait(100); 2353 } 2354 2355 bge_fm_ereport(bgep, DDI_FM_DEVICE_NO_RESPONSE); 2356 return (B_FALSE); 2357 } 2358 2359 /* 2360 * Various registers that control the chip's internal engines (state 2361 * machines) have a <reset> bit (fortunately, in the same place in 2362 * each such register :-). To reset the state machine, this bit must 2363 * be written with 1; it will then read back as 1 while the reset is 2364 * in progress, but self-clear to 0 when the reset completes. 2365 * 2366 * This code sets the bit, then polls for it to read back as zero. 2367 * The return value is B_TRUE on success (reset bit cleared itself), 2368 * or B_FALSE if the state machine didn't recover :( 2369 * 2370 * NOTE: the Core reset is similar to other resets, except that we 2371 * can't poll for completion, since the Core reset disables memory 2372 * access! So we just have to assume that it will all complete in 2373 * 100us. See Broadcom document 570X-PG102-R, p102, steps 4-5. 2374 */ 2375 static boolean_t bge_chip_reset_engine(bge_t *bgep, bge_regno_t regno); 2376 #pragma no_inline(bge_chip_reset_engine) 2377 2378 static boolean_t 2379 bge_chip_reset_engine(bge_t *bgep, bge_regno_t regno) 2380 { 2381 uint32_t regval; 2382 uint32_t val32; 2383 2384 regval = bge_reg_get32(bgep, regno); 2385 2386 BGE_TRACE(("bge_chip_reset_engine($%p, 0x%lx)", 2387 (void *)bgep, regno)); 2388 BGE_DEBUG(("bge_chip_reset_engine: 0x%lx before reset = 0x%08x", 2389 regno, regval)); 2390 2391 regval |= STATE_MACHINE_RESET_BIT; 2392 2393 switch (regno) { 2394 case MISC_CONFIG_REG: 2395 /* 2396 * BCM5714/5721/5751 pcie chip special case. In order to avoid 2397 * resetting PCIE block and bringing PCIE link down, bit 29 2398 * in the register needs to be set first, and then set it again 2399 * while the reset bit is written. 2400 * See:P500 of 57xx-PG102-RDS.pdf. 2401 */ 2402 if (DEVICE_5705_SERIES_CHIPSETS(bgep)|| 2403 DEVICE_5721_SERIES_CHIPSETS(bgep)|| 2404 DEVICE_5714_SERIES_CHIPSETS(bgep)) { 2405 regval |= MISC_CONFIG_GPHY_POWERDOWN_OVERRIDE; 2406 if (bgep->chipid.pci_type == BGE_PCI_E) { 2407 if (bgep->chipid.asic_rev == 2408 MHCR_CHIP_REV_5751_A0 || 2409 bgep->chipid.asic_rev == 2410 MHCR_CHIP_REV_5721_A0) { 2411 val32 = bge_reg_get32(bgep, 2412 PHY_TEST_CTRL_REG); 2413 if (val32 == (PHY_PCIE_SCRAM_MODE | 2414 PHY_PCIE_LTASS_MODE)) 2415 bge_reg_put32(bgep, 2416 PHY_TEST_CTRL_REG, 2417 PHY_PCIE_SCRAM_MODE); 2418 val32 = pci_config_get32 2419 (bgep->cfg_handle, 2420 PCI_CONF_BGE_CLKCTL); 2421 val32 |= CLKCTL_PCIE_A0_FIX; 2422 pci_config_put32(bgep->cfg_handle, 2423 PCI_CONF_BGE_CLKCTL, val32); 2424 } 2425 bge_reg_set32(bgep, regno, 2426 MISC_CONFIG_GRC_RESET_DISABLE); 2427 regval |= MISC_CONFIG_GRC_RESET_DISABLE; 2428 } 2429 } 2430 2431 /* 2432 * Special case - causes Core reset 2433 * 2434 * On SPARC v9 we want to ensure that we don't start 2435 * timing until the I/O access has actually reached 2436 * the chip, otherwise we might make the next access 2437 * too early. And we can't just force the write out 2438 * by following it with a read (even to config space) 2439 * because that would cause the fault we're trying 2440 * to avoid. Hence the need for membar_sync() here. 2441 */ 2442 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, regno), regval); 2443 #ifdef __sparcv9 2444 membar_sync(); 2445 #endif /* __sparcv9 */ 2446 /* 2447 * On some platforms,system need about 300us for 2448 * link setup. 2449 */ 2450 drv_usecwait(300); 2451 2452 if (bgep->chipid.pci_type == BGE_PCI_E) { 2453 /* PCI-E device need more reset time */ 2454 drv_usecwait(120000); 2455 2456 /* Set PCIE max payload size and clear error status. */ 2457 if ((bgep->chipid.chip_label == 5721) || 2458 (bgep->chipid.chip_label == 5751) || 2459 (bgep->chipid.chip_label == 5752) || 2460 (bgep->chipid.chip_label == 5789)) { 2461 pci_config_put16(bgep->cfg_handle, 2462 PCI_CONF_DEV_CTRL, READ_REQ_SIZE_MAX); 2463 pci_config_put16(bgep->cfg_handle, 2464 PCI_CONF_DEV_STUS, DEVICE_ERROR_STUS); 2465 } 2466 } 2467 2468 BGE_PCICHK(bgep); 2469 return (B_TRUE); 2470 2471 default: 2472 bge_reg_put32(bgep, regno, regval); 2473 return (bge_chip_poll_engine(bgep, regno, 2474 STATE_MACHINE_RESET_BIT, 0)); 2475 } 2476 } 2477 2478 /* 2479 * Various registers that control the chip's internal engines (state 2480 * machines) have an <enable> bit (fortunately, in the same place in 2481 * each such register :-). To stop the state machine, this bit must 2482 * be written with 0, then polled to see when the state machine has 2483 * actually stopped. 2484 * 2485 * The return value is B_TRUE on success (enable bit cleared), or 2486 * B_FALSE if the state machine didn't stop :( 2487 */ 2488 static boolean_t bge_chip_disable_engine(bge_t *bgep, bge_regno_t regno, 2489 uint32_t morebits); 2490 #pragma no_inline(bge_chip_disable_engine) 2491 2492 static boolean_t 2493 bge_chip_disable_engine(bge_t *bgep, bge_regno_t regno, uint32_t morebits) 2494 { 2495 uint32_t regval; 2496 2497 BGE_TRACE(("bge_chip_disable_engine($%p, 0x%lx, 0x%x)", 2498 (void *)bgep, regno, morebits)); 2499 2500 switch (regno) { 2501 case FTQ_RESET_REG: 2502 /* 2503 * Not quite like the others; it doesn't 2504 * have an <enable> bit, but instead we 2505 * have to set and then clear all the bits 2506 */ 2507 bge_reg_put32(bgep, regno, ~(uint32_t)0); 2508 drv_usecwait(100); 2509 bge_reg_put32(bgep, regno, 0); 2510 return (B_TRUE); 2511 2512 default: 2513 regval = bge_reg_get32(bgep, regno); 2514 regval &= ~STATE_MACHINE_ENABLE_BIT; 2515 regval &= ~morebits; 2516 bge_reg_put32(bgep, regno, regval); 2517 return (bge_chip_poll_engine(bgep, regno, 2518 STATE_MACHINE_ENABLE_BIT, 0)); 2519 } 2520 } 2521 2522 /* 2523 * Various registers that control the chip's internal engines (state 2524 * machines) have an <enable> bit (fortunately, in the same place in 2525 * each such register :-). To start the state machine, this bit must 2526 * be written with 1, then polled to see when the state machine has 2527 * actually started. 2528 * 2529 * The return value is B_TRUE on success (enable bit set), or 2530 * B_FALSE if the state machine didn't start :( 2531 */ 2532 static boolean_t bge_chip_enable_engine(bge_t *bgep, bge_regno_t regno, 2533 uint32_t morebits); 2534 #pragma no_inline(bge_chip_enable_engine) 2535 2536 static boolean_t 2537 bge_chip_enable_engine(bge_t *bgep, bge_regno_t regno, uint32_t morebits) 2538 { 2539 uint32_t regval; 2540 2541 BGE_TRACE(("bge_chip_enable_engine($%p, 0x%lx, 0x%x)", 2542 (void *)bgep, regno, morebits)); 2543 2544 switch (regno) { 2545 case FTQ_RESET_REG: 2546 /* 2547 * Not quite like the others; it doesn't 2548 * have an <enable> bit, but instead we 2549 * have to set and then clear all the bits 2550 */ 2551 bge_reg_put32(bgep, regno, ~(uint32_t)0); 2552 drv_usecwait(100); 2553 bge_reg_put32(bgep, regno, 0); 2554 return (B_TRUE); 2555 2556 default: 2557 regval = bge_reg_get32(bgep, regno); 2558 regval |= STATE_MACHINE_ENABLE_BIT; 2559 regval |= morebits; 2560 bge_reg_put32(bgep, regno, regval); 2561 return (bge_chip_poll_engine(bgep, regno, 2562 STATE_MACHINE_ENABLE_BIT, STATE_MACHINE_ENABLE_BIT)); 2563 } 2564 } 2565 2566 /* 2567 * Reprogram the Ethernet, Transmit, and Receive MAC 2568 * modes to match the param_* variables 2569 */ 2570 static void bge_sync_mac_modes(bge_t *bgep); 2571 #pragma no_inline(bge_sync_mac_modes) 2572 2573 static void 2574 bge_sync_mac_modes(bge_t *bgep) 2575 { 2576 uint32_t macmode; 2577 uint32_t regval; 2578 2579 ASSERT(mutex_owned(bgep->genlock)); 2580 2581 /* 2582 * Reprogram the Ethernet MAC mode ... 2583 */ 2584 macmode = regval = bge_reg_get32(bgep, ETHERNET_MAC_MODE_REG); 2585 if ((bgep->chipid.flags & CHIP_FLAG_SERDES) && 2586 (bgep->param_loop_mode != BGE_LOOP_INTERNAL_MAC)) 2587 macmode &= ~ETHERNET_MODE_LINK_POLARITY; 2588 else 2589 macmode |= ETHERNET_MODE_LINK_POLARITY; 2590 macmode &= ~ETHERNET_MODE_PORTMODE_MASK; 2591 if ((bgep->chipid.flags & CHIP_FLAG_SERDES) && 2592 (bgep->param_loop_mode != BGE_LOOP_INTERNAL_MAC)) 2593 macmode |= ETHERNET_MODE_PORTMODE_TBI; 2594 else if (bgep->param_link_speed == 10 || bgep->param_link_speed == 100) 2595 macmode |= ETHERNET_MODE_PORTMODE_MII; 2596 else 2597 macmode |= ETHERNET_MODE_PORTMODE_GMII; 2598 if (bgep->param_link_duplex == LINK_DUPLEX_HALF) 2599 macmode |= ETHERNET_MODE_HALF_DUPLEX; 2600 else 2601 macmode &= ~ETHERNET_MODE_HALF_DUPLEX; 2602 if (bgep->param_loop_mode == BGE_LOOP_INTERNAL_MAC) 2603 macmode |= ETHERNET_MODE_MAC_LOOPBACK; 2604 else 2605 macmode &= ~ETHERNET_MODE_MAC_LOOPBACK; 2606 bge_reg_put32(bgep, ETHERNET_MAC_MODE_REG, macmode); 2607 BGE_DEBUG(("bge_sync_mac_modes($%p) Ethernet MAC mode 0x%x => 0x%x", 2608 (void *)bgep, regval, macmode)); 2609 2610 /* 2611 * ... the Transmit MAC mode ... 2612 */ 2613 macmode = regval = bge_reg_get32(bgep, TRANSMIT_MAC_MODE_REG); 2614 if (bgep->param_link_tx_pause) 2615 macmode |= TRANSMIT_MODE_FLOW_CONTROL; 2616 else 2617 macmode &= ~TRANSMIT_MODE_FLOW_CONTROL; 2618 bge_reg_put32(bgep, TRANSMIT_MAC_MODE_REG, macmode); 2619 BGE_DEBUG(("bge_sync_mac_modes($%p) Transmit MAC mode 0x%x => 0x%x", 2620 (void *)bgep, regval, macmode)); 2621 2622 /* 2623 * ... and the Receive MAC mode 2624 */ 2625 macmode = regval = bge_reg_get32(bgep, RECEIVE_MAC_MODE_REG); 2626 if (bgep->param_link_rx_pause) 2627 macmode |= RECEIVE_MODE_FLOW_CONTROL; 2628 else 2629 macmode &= ~RECEIVE_MODE_FLOW_CONTROL; 2630 bge_reg_put32(bgep, RECEIVE_MAC_MODE_REG, macmode); 2631 BGE_DEBUG(("bge_sync_mac_modes($%p) Receive MAC mode 0x%x => 0x%x", 2632 (void *)bgep, regval, macmode)); 2633 } 2634 2635 /* 2636 * bge_chip_sync() -- program the chip with the unicast MAC address, 2637 * the multicast hash table, the required level of promiscuity, and 2638 * the current loopback mode ... 2639 */ 2640 #ifdef BGE_IPMI_ASF 2641 int bge_chip_sync(bge_t *bgep, boolean_t asf_keeplive); 2642 #else 2643 int bge_chip_sync(bge_t *bgep); 2644 #endif 2645 #pragma no_inline(bge_chip_sync) 2646 2647 int 2648 #ifdef BGE_IPMI_ASF 2649 bge_chip_sync(bge_t *bgep, boolean_t asf_keeplive) 2650 #else 2651 bge_chip_sync(bge_t *bgep) 2652 #endif 2653 { 2654 void (*opfn)(bge_t *bgep, bge_regno_t reg, uint32_t bits); 2655 boolean_t promisc; 2656 uint64_t macaddr; 2657 uint32_t fill; 2658 int i, j; 2659 int retval = DDI_SUCCESS; 2660 2661 BGE_TRACE(("bge_chip_sync($%p)", 2662 (void *)bgep)); 2663 2664 ASSERT(mutex_owned(bgep->genlock)); 2665 2666 promisc = B_FALSE; 2667 fill = ~(uint32_t)0; 2668 2669 if (bgep->promisc) 2670 promisc = B_TRUE; 2671 else 2672 fill = (uint32_t)0; 2673 2674 /* 2675 * If the TX/RX MAC engines are already running, we should stop 2676 * them (and reset the RX engine) before changing the parameters. 2677 * If they're not running, this will have no effect ... 2678 * 2679 * NOTE: this is currently disabled by default because stopping 2680 * and restarting the Tx engine may cause an outgoing packet in 2681 * transit to be truncated. Also, stopping and restarting the 2682 * Rx engine seems to not work correctly on the 5705. Testing 2683 * has not (yet!) revealed any problems with NOT stopping and 2684 * restarting these engines (and Broadcom say their drivers don't 2685 * do this), but if it is found to cause problems, this variable 2686 * can be patched to re-enable the old behaviour ... 2687 */ 2688 if (bge_stop_start_on_sync) { 2689 #ifdef BGE_IPMI_ASF 2690 if (!bgep->asf_enabled) { 2691 if (!bge_chip_disable_engine(bgep, 2692 RECEIVE_MAC_MODE_REG, RECEIVE_MODE_KEEP_VLAN_TAG)) 2693 retval = DDI_FAILURE; 2694 } else { 2695 if (!bge_chip_disable_engine(bgep, 2696 RECEIVE_MAC_MODE_REG, 0)) 2697 retval = DDI_FAILURE; 2698 } 2699 #else 2700 if (!bge_chip_disable_engine(bgep, RECEIVE_MAC_MODE_REG, 2701 RECEIVE_MODE_KEEP_VLAN_TAG)) 2702 retval = DDI_FAILURE; 2703 #endif 2704 if (!bge_chip_disable_engine(bgep, TRANSMIT_MAC_MODE_REG, 0)) 2705 retval = DDI_FAILURE; 2706 if (!bge_chip_reset_engine(bgep, RECEIVE_MAC_MODE_REG)) 2707 retval = DDI_FAILURE; 2708 } 2709 2710 /* 2711 * Reprogram the hashed multicast address table ... 2712 */ 2713 for (i = 0; i < BGE_HASH_TABLE_SIZE/32; ++i) 2714 bge_reg_put32(bgep, MAC_HASH_REG(i), 2715 bgep->mcast_hash[i] | fill); 2716 2717 #ifdef BGE_IPMI_ASF 2718 if (!bgep->asf_enabled || !asf_keeplive) { 2719 #endif 2720 /* 2721 * Transform the MAC address(es) from host to chip format, then 2722 * reprogram the transmit random backoff seed and the unicast 2723 * MAC address(es) ... 2724 */ 2725 for (j = 0; j < MAC_ADDRESS_REGS_MAX; j++) { 2726 for (i = 0, fill = 0, macaddr = 0ull; 2727 i < ETHERADDRL; ++i) { 2728 macaddr <<= 8; 2729 macaddr |= bgep->curr_addr[j].addr[i]; 2730 fill += bgep->curr_addr[j].addr[i]; 2731 } 2732 bge_reg_put32(bgep, MAC_TX_RANDOM_BACKOFF_REG, fill); 2733 bge_reg_put64(bgep, MAC_ADDRESS_REG(j), macaddr); 2734 } 2735 2736 BGE_DEBUG(("bge_chip_sync($%p) setting MAC address %012llx", 2737 (void *)bgep, macaddr)); 2738 #ifdef BGE_IPMI_ASF 2739 } 2740 #endif 2741 2742 /* 2743 * Set or clear the PROMISCUOUS mode bit 2744 */ 2745 opfn = promisc ? bge_reg_set32 : bge_reg_clr32; 2746 (*opfn)(bgep, RECEIVE_MAC_MODE_REG, RECEIVE_MODE_PROMISCUOUS); 2747 2748 /* 2749 * Sync the rest of the MAC modes too ... 2750 */ 2751 bge_sync_mac_modes(bgep); 2752 2753 /* 2754 * Restart RX/TX MAC engines if required ... 2755 */ 2756 if (bgep->bge_chip_state == BGE_CHIP_RUNNING) { 2757 if (!bge_chip_enable_engine(bgep, TRANSMIT_MAC_MODE_REG, 0)) 2758 retval = DDI_FAILURE; 2759 #ifdef BGE_IPMI_ASF 2760 if (!bgep->asf_enabled) { 2761 if (!bge_chip_enable_engine(bgep, 2762 RECEIVE_MAC_MODE_REG, RECEIVE_MODE_KEEP_VLAN_TAG)) 2763 retval = DDI_FAILURE; 2764 } else { 2765 if (!bge_chip_enable_engine(bgep, 2766 RECEIVE_MAC_MODE_REG, 0)) 2767 retval = DDI_FAILURE; 2768 } 2769 #else 2770 if (!bge_chip_enable_engine(bgep, RECEIVE_MAC_MODE_REG, 2771 RECEIVE_MODE_KEEP_VLAN_TAG)) 2772 retval = DDI_FAILURE; 2773 #endif 2774 } 2775 return (retval); 2776 } 2777 2778 /* 2779 * This array defines the sequence of state machine control registers 2780 * in which the <enable> bit must be cleared to bring the chip to a 2781 * clean stop. Taken from Broadcom document 570X-PG102-R, p116. 2782 */ 2783 static bge_regno_t shutdown_engine_regs[] = { 2784 RECEIVE_MAC_MODE_REG, 2785 RCV_BD_INITIATOR_MODE_REG, 2786 RCV_LIST_PLACEMENT_MODE_REG, 2787 RCV_LIST_SELECTOR_MODE_REG, /* BCM5704 series only */ 2788 RCV_DATA_BD_INITIATOR_MODE_REG, 2789 RCV_DATA_COMPLETION_MODE_REG, 2790 RCV_BD_COMPLETION_MODE_REG, 2791 2792 SEND_BD_SELECTOR_MODE_REG, 2793 SEND_BD_INITIATOR_MODE_REG, 2794 SEND_DATA_INITIATOR_MODE_REG, 2795 READ_DMA_MODE_REG, 2796 SEND_DATA_COMPLETION_MODE_REG, 2797 DMA_COMPLETION_MODE_REG, /* BCM5704 series only */ 2798 SEND_BD_COMPLETION_MODE_REG, 2799 TRANSMIT_MAC_MODE_REG, 2800 2801 HOST_COALESCE_MODE_REG, 2802 WRITE_DMA_MODE_REG, 2803 MBUF_CLUSTER_FREE_MODE_REG, /* BCM5704 series only */ 2804 FTQ_RESET_REG, /* special - see code */ 2805 BUFFER_MANAGER_MODE_REG, /* BCM5704 series only */ 2806 MEMORY_ARBITER_MODE_REG, /* BCM5704 series only */ 2807 BGE_REGNO_NONE /* terminator */ 2808 }; 2809 2810 /* 2811 * bge_chip_stop() -- stop all chip processing 2812 * 2813 * If the <fault> parameter is B_TRUE, we're stopping the chip because 2814 * we've detected a problem internally; otherwise, this is a normal 2815 * (clean) stop (at user request i.e. the last STREAM has been closed). 2816 */ 2817 void bge_chip_stop(bge_t *bgep, boolean_t fault); 2818 #pragma no_inline(bge_chip_stop) 2819 2820 void 2821 bge_chip_stop(bge_t *bgep, boolean_t fault) 2822 { 2823 bge_regno_t regno; 2824 bge_regno_t *rbp; 2825 boolean_t ok; 2826 2827 BGE_TRACE(("bge_chip_stop($%p)", 2828 (void *)bgep)); 2829 2830 ASSERT(mutex_owned(bgep->genlock)); 2831 2832 rbp = shutdown_engine_regs; 2833 /* 2834 * When driver try to shutdown the BCM5705/5788/5721/5751/ 2835 * 5752/5714 and 5715 chipsets,the buffer manager and the mem 2836 * -ory arbiter should not be disabled. 2837 */ 2838 for (ok = B_TRUE; (regno = *rbp) != BGE_REGNO_NONE; ++rbp) { 2839 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) 2840 ok &= bge_chip_disable_engine(bgep, regno, 0); 2841 else if ((regno != RCV_LIST_SELECTOR_MODE_REG) && 2842 (regno != DMA_COMPLETION_MODE_REG) && 2843 (regno != MBUF_CLUSTER_FREE_MODE_REG)&& 2844 (regno != BUFFER_MANAGER_MODE_REG) && 2845 (regno != MEMORY_ARBITER_MODE_REG)) 2846 ok &= bge_chip_disable_engine(bgep, 2847 regno, 0); 2848 } 2849 2850 if (!ok && !fault) 2851 ddi_fm_service_impact(bgep->devinfo, DDI_SERVICE_UNAFFECTED); 2852 2853 /* 2854 * Finally, disable (all) MAC events & clear the MAC status 2855 */ 2856 bge_reg_put32(bgep, ETHERNET_MAC_EVENT_ENABLE_REG, 0); 2857 bge_reg_put32(bgep, ETHERNET_MAC_STATUS_REG, ~0); 2858 2859 /* 2860 * if we're stopping the chip because of a detected fault then do 2861 * appropriate actions 2862 */ 2863 if (fault) { 2864 if (bgep->bge_chip_state != BGE_CHIP_FAULT) { 2865 bgep->bge_chip_state = BGE_CHIP_FAULT; 2866 ddi_fm_service_impact(bgep->devinfo, DDI_SERVICE_LOST); 2867 if (bgep->bge_dma_error) { 2868 /* 2869 * need to free buffers in case the fault was 2870 * due to a memory error in a buffer - got to 2871 * do a fair bit of tidying first 2872 */ 2873 if (bgep->progress & PROGRESS_KSTATS) { 2874 bge_fini_kstats(bgep); 2875 bgep->progress &= ~PROGRESS_KSTATS; 2876 } 2877 if (bgep->progress & PROGRESS_INTR) { 2878 bge_intr_disable(bgep); 2879 rw_enter(bgep->errlock, RW_WRITER); 2880 bge_fini_rings(bgep); 2881 rw_exit(bgep->errlock); 2882 bgep->progress &= ~PROGRESS_INTR; 2883 } 2884 if (bgep->progress & PROGRESS_BUFS) { 2885 bge_free_bufs(bgep); 2886 bgep->progress &= ~PROGRESS_BUFS; 2887 } 2888 bgep->bge_dma_error = B_FALSE; 2889 } 2890 } 2891 } else 2892 bgep->bge_chip_state = BGE_CHIP_STOPPED; 2893 } 2894 2895 /* 2896 * Poll for completion of chip's ROM firmware; also, at least on the 2897 * first time through, find and return the hardware MAC address, if any. 2898 */ 2899 static uint64_t bge_poll_firmware(bge_t *bgep); 2900 #pragma no_inline(bge_poll_firmware) 2901 2902 static uint64_t 2903 bge_poll_firmware(bge_t *bgep) 2904 { 2905 uint64_t magic; 2906 uint64_t mac; 2907 uint32_t gen; 2908 uint32_t i; 2909 2910 /* 2911 * Step 19: poll for firmware completion (GENCOMM port set 2912 * to the ones complement of T3_MAGIC_NUMBER). 2913 * 2914 * While we're at it, we also read the MAC address register; 2915 * at some stage the firmware will load this with the 2916 * factory-set value. 2917 * 2918 * When both the magic number and the MAC address are set, 2919 * we're done; but we impose a time limit of one second 2920 * (1000*1000us) in case the firmware fails in some fashion 2921 * or the SEEPROM that provides that MAC address isn't fitted. 2922 * 2923 * After the first time through (chip state != INITIAL), we 2924 * don't need the MAC address to be set (we've already got it 2925 * or not, from the first time), so we don't wait for it, but 2926 * we still have to wait for the T3_MAGIC_NUMBER. 2927 * 2928 * Note: the magic number is only a 32-bit quantity, but the NIC 2929 * memory is 64-bit (and big-endian) internally. Addressing the 2930 * GENCOMM word as "the upper half of a 64-bit quantity" makes 2931 * it work correctly on both big- and little-endian hosts. 2932 */ 2933 for (i = 0; i < 1000; ++i) { 2934 drv_usecwait(1000); 2935 gen = bge_nic_get64(bgep, NIC_MEM_GENCOMM) >> 32; 2936 mac = bge_reg_get64(bgep, MAC_ADDRESS_REG(0)); 2937 #ifdef BGE_IPMI_ASF 2938 if (!bgep->asf_enabled) { 2939 #endif 2940 if (gen != ~T3_MAGIC_NUMBER) 2941 continue; 2942 #ifdef BGE_IPMI_ASF 2943 } 2944 #endif 2945 if (mac != 0ULL) 2946 break; 2947 if (bgep->bge_chip_state != BGE_CHIP_INITIAL) 2948 break; 2949 } 2950 2951 magic = bge_nic_get64(bgep, NIC_MEM_GENCOMM); 2952 BGE_DEBUG(("bge_poll_firmware($%p): PXE magic 0x%x after %d loops", 2953 (void *)bgep, gen, i)); 2954 BGE_DEBUG(("bge_poll_firmware: MAC %016llx, GENCOMM %016llx", 2955 mac, magic)); 2956 2957 return (mac); 2958 } 2959 2960 /* 2961 * Maximum times of trying to get the NVRAM access lock 2962 * by calling bge_nvmem_acquire() 2963 */ 2964 #define MAX_TRY_NVMEM_ACQUIRE 10000 2965 2966 #ifdef BGE_IPMI_ASF 2967 int bge_chip_reset(bge_t *bgep, boolean_t enable_dma, uint_t asf_mode); 2968 #else 2969 int bge_chip_reset(bge_t *bgep, boolean_t enable_dma); 2970 #endif 2971 #pragma no_inline(bge_chip_reset) 2972 2973 int 2974 #ifdef BGE_IPMI_ASF 2975 bge_chip_reset(bge_t *bgep, boolean_t enable_dma, uint_t asf_mode) 2976 #else 2977 bge_chip_reset(bge_t *bgep, boolean_t enable_dma) 2978 #endif 2979 { 2980 chip_id_t chipid; 2981 uint64_t mac; 2982 uint64_t magic; 2983 uint32_t modeflags; 2984 uint32_t mhcr; 2985 uint32_t sx0; 2986 uint32_t i, tries; 2987 #ifdef BGE_IPMI_ASF 2988 uint32_t mailbox; 2989 #endif 2990 int retval = DDI_SUCCESS; 2991 2992 BGE_TRACE(("bge_chip_reset($%p, %d)", 2993 (void *)bgep, enable_dma)); 2994 2995 ASSERT(mutex_owned(bgep->genlock)); 2996 2997 BGE_DEBUG(("bge_chip_reset($%p, %d): current state is %d", 2998 (void *)bgep, enable_dma, bgep->bge_chip_state)); 2999 3000 /* 3001 * Do we need to stop the chip cleanly before resetting? 3002 */ 3003 switch (bgep->bge_chip_state) { 3004 default: 3005 _NOTE(NOTREACHED) 3006 return (DDI_FAILURE); 3007 3008 case BGE_CHIP_INITIAL: 3009 case BGE_CHIP_STOPPED: 3010 case BGE_CHIP_RESET: 3011 break; 3012 3013 case BGE_CHIP_RUNNING: 3014 case BGE_CHIP_ERROR: 3015 case BGE_CHIP_FAULT: 3016 bge_chip_stop(bgep, B_FALSE); 3017 break; 3018 } 3019 3020 #ifdef BGE_IPMI_ASF 3021 if (bgep->asf_enabled) { 3022 if (asf_mode == ASF_MODE_INIT) { 3023 bge_asf_pre_reset_operations(bgep, BGE_INIT_RESET); 3024 } else if (asf_mode == ASF_MODE_SHUTDOWN) { 3025 bge_asf_pre_reset_operations(bgep, BGE_SHUTDOWN_RESET); 3026 } 3027 } 3028 #endif 3029 /* 3030 * Adapted from Broadcom document 570X-PG102-R, pp 102-116. 3031 * Updated to reflect Broadcom document 570X-PG104-R, pp 146-159. 3032 * 3033 * Before reset Core clock,it is 3034 * also required to initialize the Memory Arbiter as specified in step9 3035 * and Misc Host Control Register as specified in step-13 3036 * Step 4-5: reset Core clock & wait for completion 3037 * Steps 6-8: are done by bge_chip_cfg_init() 3038 * put the T3_MAGIC_NUMBER into the GENCOMM port before reset 3039 */ 3040 if (!bge_chip_enable_engine(bgep, MEMORY_ARBITER_MODE_REG, 0)) 3041 retval = DDI_FAILURE; 3042 3043 mhcr = MHCR_ENABLE_INDIRECT_ACCESS | 3044 MHCR_ENABLE_TAGGED_STATUS_MODE | 3045 MHCR_MASK_INTERRUPT_MODE | 3046 MHCR_MASK_PCI_INT_OUTPUT | 3047 MHCR_CLEAR_INTERRUPT_INTA; 3048 #ifdef _BIG_ENDIAN 3049 mhcr |= MHCR_ENABLE_ENDIAN_WORD_SWAP | MHCR_ENABLE_ENDIAN_BYTE_SWAP; 3050 #endif /* _BIG_ENDIAN */ 3051 pci_config_put32(bgep->cfg_handle, PCI_CONF_BGE_MHCR, mhcr); 3052 #ifdef BGE_IPMI_ASF 3053 if (bgep->asf_enabled) 3054 bgep->asf_wordswapped = B_FALSE; 3055 #endif 3056 /* 3057 * NVRAM Corruption Workaround 3058 */ 3059 for (tries = 0; tries < MAX_TRY_NVMEM_ACQUIRE; tries++) 3060 if (bge_nvmem_acquire(bgep) == EAGAIN) 3061 break; 3062 if (tries >= MAX_TRY_NVMEM_ACQUIRE) 3063 BGE_DEBUG(("%s: fail to acquire nvram lock", 3064 bgep->ifname)); 3065 3066 #ifdef BGE_IPMI_ASF 3067 if (!bgep->asf_enabled) { 3068 #endif 3069 magic = (uint64_t)T3_MAGIC_NUMBER << 32; 3070 bge_nic_put64(bgep, NIC_MEM_GENCOMM, magic); 3071 #ifdef BGE_IPMI_ASF 3072 } 3073 #endif 3074 3075 if (!bge_chip_reset_engine(bgep, MISC_CONFIG_REG)) 3076 retval = DDI_FAILURE; 3077 bge_chip_cfg_init(bgep, &chipid, enable_dma); 3078 3079 /* 3080 * Step 8a: This may belong elsewhere, but BCM5721 needs 3081 * a bit set to avoid a fifo overflow/underflow bug. 3082 */ 3083 if ((bgep->chipid.chip_label == 5721) || 3084 (bgep->chipid.chip_label == 5751) || 3085 (bgep->chipid.chip_label == 5752) || 3086 (bgep->chipid.chip_label == 5789)) 3087 bge_reg_set32(bgep, TLP_CONTROL_REG, TLP_DATA_FIFO_PROTECT); 3088 3089 3090 /* 3091 * Step 9: enable MAC memory arbiter,bit30 and bit31 of 5714/5715 should 3092 * not be changed. 3093 */ 3094 if (!bge_chip_enable_engine(bgep, MEMORY_ARBITER_MODE_REG, 0)) 3095 retval = DDI_FAILURE; 3096 3097 /* 3098 * Steps 10-11: configure PIO endianness options and 3099 * enable indirect register access -- already done 3100 * Steps 12-13: enable writing to the PCI state & clock 3101 * control registers -- not required; we aren't going to 3102 * use those features. 3103 * Steps 14-15: Configure DMA endianness options. See 3104 * the comments on the setting of the MHCR above. 3105 */ 3106 #ifdef _BIG_ENDIAN 3107 modeflags = MODE_WORD_SWAP_FRAME | MODE_BYTE_SWAP_FRAME | 3108 MODE_WORD_SWAP_NONFRAME | MODE_BYTE_SWAP_NONFRAME; 3109 #else 3110 modeflags = MODE_WORD_SWAP_FRAME | MODE_BYTE_SWAP_FRAME; 3111 #endif /* _BIG_ENDIAN */ 3112 #ifdef BGE_IPMI_ASF 3113 if (bgep->asf_enabled) 3114 modeflags |= MODE_HOST_STACK_UP; 3115 #endif 3116 bge_reg_put32(bgep, MODE_CONTROL_REG, modeflags); 3117 3118 #ifdef BGE_IPMI_ASF 3119 if (bgep->asf_enabled) { 3120 if (asf_mode != ASF_MODE_NONE) { 3121 /* Wait for NVRAM init */ 3122 i = 0; 3123 drv_usecwait(5000); 3124 mailbox = bge_nic_get32(bgep, BGE_FIRMWARE_MAILBOX); 3125 while ((mailbox != (uint32_t) 3126 ~BGE_MAGIC_NUM_FIRMWARE_INIT_DONE) && 3127 (i < 10000)) { 3128 drv_usecwait(100); 3129 mailbox = bge_nic_get32(bgep, 3130 BGE_FIRMWARE_MAILBOX); 3131 i++; 3132 } 3133 if (!bgep->asf_newhandshake) { 3134 if ((asf_mode == ASF_MODE_INIT) || 3135 (asf_mode == ASF_MODE_POST_INIT)) { 3136 3137 bge_asf_post_reset_old_mode(bgep, 3138 BGE_INIT_RESET); 3139 } else { 3140 bge_asf_post_reset_old_mode(bgep, 3141 BGE_SHUTDOWN_RESET); 3142 } 3143 } 3144 } 3145 } 3146 #endif 3147 /* 3148 * Steps 16-17: poll for firmware completion 3149 */ 3150 mac = bge_poll_firmware(bgep); 3151 3152 /* 3153 * Step 18: enable external memory -- doesn't apply. 3154 * 3155 * However we take the opportunity to set the MLCR anyway, as 3156 * this register also controls the SEEPROM auto-access method 3157 * which we may want to use later ... 3158 * 3159 * The proper value here depends on the way the chip is wired 3160 * into the circuit board, as this register *also* controls which 3161 * of the "Miscellaneous I/O" pins are driven as outputs and the 3162 * values driven onto those pins! 3163 * 3164 * See also step 74 in the PRM ... 3165 */ 3166 bge_reg_put32(bgep, MISC_LOCAL_CONTROL_REG, 3167 bgep->chipid.bge_mlcr_default); 3168 bge_reg_set32(bgep, SERIAL_EEPROM_ADDRESS_REG, SEEPROM_ACCESS_INIT); 3169 3170 /* 3171 * Step 20: clear the Ethernet MAC mode register 3172 */ 3173 bge_reg_put32(bgep, ETHERNET_MAC_MODE_REG, 0); 3174 3175 /* 3176 * Step 21: restore cache-line-size, latency timer, and 3177 * subsystem ID registers to their original values (not 3178 * those read into the local structure <chipid>, 'cos 3179 * that was after they were cleared by the RESET). 3180 * 3181 * Note: the Subsystem Vendor/Device ID registers are not 3182 * directly writable in config space, so we use the shadow 3183 * copy in "Page Zero" of register space to restore them 3184 * both in one go ... 3185 */ 3186 pci_config_put8(bgep->cfg_handle, PCI_CONF_CACHE_LINESZ, 3187 bgep->chipid.clsize); 3188 pci_config_put8(bgep->cfg_handle, PCI_CONF_LATENCY_TIMER, 3189 bgep->chipid.latency); 3190 bge_reg_put32(bgep, PCI_CONF_SUBVENID, 3191 (bgep->chipid.subdev << 16) | bgep->chipid.subven); 3192 3193 /* 3194 * The SEND INDEX registers should be reset to zero by the 3195 * global chip reset; if they're not, there'll be trouble 3196 * later on. 3197 */ 3198 sx0 = bge_reg_get32(bgep, NIC_DIAG_SEND_INDEX_REG(0)); 3199 if (sx0 != 0) { 3200 BGE_REPORT((bgep, "SEND INDEX - device didn't RESET")); 3201 bge_fm_ereport(bgep, DDI_FM_DEVICE_INVAL_STATE); 3202 retval = DDI_FAILURE; 3203 } 3204 3205 /* Enable MSI code */ 3206 if (bgep->intr_type == DDI_INTR_TYPE_MSI) 3207 bge_reg_set32(bgep, MSI_MODE_REG, 3208 MSI_PRI_HIGHEST|MSI_MSI_ENABLE); 3209 3210 /* 3211 * On the first time through, save the factory-set MAC address 3212 * (if any). If bge_poll_firmware() above didn't return one 3213 * (from a chip register) consider looking in the attached NV 3214 * memory device, if any. Once we have it, we save it in both 3215 * register-image (64-bit) and byte-array forms. All-zero and 3216 * all-one addresses are not valid, and we refuse to stash those. 3217 */ 3218 if (bgep->bge_chip_state == BGE_CHIP_INITIAL) { 3219 if (mac == 0ULL) 3220 mac = bge_get_nvmac(bgep); 3221 if (mac != 0ULL && mac != ~0ULL) { 3222 bgep->chipid.hw_mac_addr = mac; 3223 for (i = ETHERADDRL; i-- != 0; ) { 3224 bgep->chipid.vendor_addr.addr[i] = (uchar_t)mac; 3225 mac >>= 8; 3226 } 3227 bgep->chipid.vendor_addr.set = B_TRUE; 3228 } 3229 } 3230 3231 #ifdef BGE_IPMI_ASF 3232 if (bgep->asf_enabled && bgep->asf_newhandshake) { 3233 if (asf_mode != ASF_MODE_NONE) { 3234 if ((asf_mode == ASF_MODE_INIT) || 3235 (asf_mode == ASF_MODE_POST_INIT)) { 3236 3237 bge_asf_post_reset_new_mode(bgep, 3238 BGE_INIT_RESET); 3239 } else { 3240 bge_asf_post_reset_new_mode(bgep, 3241 BGE_SHUTDOWN_RESET); 3242 } 3243 } 3244 } 3245 #endif 3246 3247 /* 3248 * Record the new state 3249 */ 3250 bgep->chip_resets += 1; 3251 bgep->bge_chip_state = BGE_CHIP_RESET; 3252 return (retval); 3253 } 3254 3255 /* 3256 * bge_chip_start() -- start the chip transmitting and/or receiving, 3257 * including enabling interrupts 3258 */ 3259 int bge_chip_start(bge_t *bgep, boolean_t reset_phys); 3260 #pragma no_inline(bge_chip_start) 3261 3262 int 3263 bge_chip_start(bge_t *bgep, boolean_t reset_phys) 3264 { 3265 uint32_t coalmode; 3266 uint32_t ledctl; 3267 uint32_t mtu; 3268 uint32_t maxring; 3269 uint64_t ring; 3270 int retval = DDI_SUCCESS; 3271 3272 BGE_TRACE(("bge_chip_start($%p)", 3273 (void *)bgep)); 3274 3275 ASSERT(mutex_owned(bgep->genlock)); 3276 ASSERT(bgep->bge_chip_state == BGE_CHIP_RESET); 3277 3278 /* 3279 * Taken from Broadcom document 570X-PG102-R, pp 102-116. 3280 * The document specifies 95 separate steps to fully 3281 * initialise the chip!!!! 3282 * 3283 * The reset code above has already got us as far as step 3284 * 21, so we continue with ... 3285 * 3286 * Step 22: clear the MAC statistics block 3287 * (0x0300-0x0aff in NIC-local memory) 3288 */ 3289 if (bgep->chipid.statistic_type == BGE_STAT_BLK) 3290 bge_nic_zero(bgep, NIC_MEM_STATISTICS, 3291 NIC_MEM_STATISTICS_SIZE); 3292 3293 /* 3294 * Step 23: clear the status block (in host memory) 3295 */ 3296 DMA_ZERO(bgep->status_block); 3297 3298 /* 3299 * Step 24: set DMA read/write control register 3300 */ 3301 pci_config_put32(bgep->cfg_handle, PCI_CONF_BGE_PDRWCR, 3302 bgep->chipid.bge_dma_rwctrl); 3303 3304 /* 3305 * Step 25: Configure DMA endianness -- already done (16/17) 3306 * Step 26: Configure Host-Based Send Rings 3307 * Step 27: Indicate Host Stack Up 3308 */ 3309 bge_reg_set32(bgep, MODE_CONTROL_REG, 3310 MODE_HOST_SEND_BDS | 3311 MODE_HOST_STACK_UP); 3312 3313 /* 3314 * Step 28: Configure checksum options: 3315 * Solaris supports the hardware default checksum options. 3316 * 3317 * Workaround for Incorrect pseudo-header checksum calculation. 3318 */ 3319 if (bgep->chipid.flags & CHIP_FLAG_PARTIAL_CSUM) 3320 bge_reg_set32(bgep, MODE_CONTROL_REG, 3321 MODE_SEND_NO_PSEUDO_HDR_CSUM); 3322 3323 /* 3324 * Step 29: configure Timer Prescaler. The value is always the 3325 * same: the Core Clock frequency in MHz (66), minus 1, shifted 3326 * into bits 7-1. Don't set bit 0, 'cos that's the RESET bit 3327 * for the whole chip! 3328 */ 3329 bge_reg_put32(bgep, MISC_CONFIG_REG, MISC_CONFIG_DEFAULT); 3330 3331 /* 3332 * Steps 30-31: Configure MAC local memory pool & DMA pool registers 3333 * 3334 * If the mbuf_length is specified as 0, we just leave these at 3335 * their hardware defaults, rather than explicitly setting them. 3336 * As the Broadcom HRM,driver better not change the parameters 3337 * when the chipsets is 5705/5788/5721/5751/5714 and 5715. 3338 */ 3339 if ((bgep->chipid.mbuf_length != 0) && 3340 (DEVICE_5704_SERIES_CHIPSETS(bgep))) { 3341 bge_reg_put32(bgep, MBUF_POOL_BASE_REG, 3342 bgep->chipid.mbuf_base); 3343 bge_reg_put32(bgep, MBUF_POOL_LENGTH_REG, 3344 bgep->chipid.mbuf_length); 3345 bge_reg_put32(bgep, DMAD_POOL_BASE_REG, 3346 DMAD_POOL_BASE_DEFAULT); 3347 bge_reg_put32(bgep, DMAD_POOL_LENGTH_REG, 3348 DMAD_POOL_LENGTH_DEFAULT); 3349 } 3350 3351 /* 3352 * Step 32: configure MAC memory pool watermarks 3353 */ 3354 bge_reg_put32(bgep, RDMA_MBUF_LOWAT_REG, 3355 bgep->chipid.mbuf_lo_water_rdma); 3356 bge_reg_put32(bgep, MAC_RX_MBUF_LOWAT_REG, 3357 bgep->chipid.mbuf_lo_water_rmac); 3358 bge_reg_put32(bgep, MBUF_HIWAT_REG, 3359 bgep->chipid.mbuf_hi_water); 3360 3361 /* 3362 * Step 33: configure DMA resource watermarks 3363 */ 3364 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) { 3365 bge_reg_put32(bgep, DMAD_POOL_LOWAT_REG, 3366 bge_dmad_lo_water); 3367 bge_reg_put32(bgep, DMAD_POOL_HIWAT_REG, 3368 bge_dmad_hi_water); 3369 } 3370 bge_reg_put32(bgep, LOWAT_MAX_RECV_FRAMES_REG, bge_lowat_recv_frames); 3371 3372 /* 3373 * Steps 34-36: enable buffer manager & internal h/w queues 3374 */ 3375 if (!bge_chip_enable_engine(bgep, BUFFER_MANAGER_MODE_REG, 3376 STATE_MACHINE_ATTN_ENABLE_BIT)) 3377 retval = DDI_FAILURE; 3378 if (!bge_chip_enable_engine(bgep, FTQ_RESET_REG, 0)) 3379 retval = DDI_FAILURE; 3380 3381 /* 3382 * Steps 37-39: initialise Receive Buffer (Producer) RCBs 3383 */ 3384 bge_reg_putrcb(bgep, STD_RCV_BD_RING_RCB_REG, 3385 &bgep->buff[BGE_STD_BUFF_RING].hw_rcb); 3386 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) { 3387 bge_reg_putrcb(bgep, JUMBO_RCV_BD_RING_RCB_REG, 3388 &bgep->buff[BGE_JUMBO_BUFF_RING].hw_rcb); 3389 bge_reg_putrcb(bgep, MINI_RCV_BD_RING_RCB_REG, 3390 &bgep->buff[BGE_MINI_BUFF_RING].hw_rcb); 3391 } 3392 3393 /* 3394 * Step 40: set Receive Buffer Descriptor Ring replenish thresholds 3395 */ 3396 bge_reg_put32(bgep, STD_RCV_BD_REPLENISH_REG, bge_replenish_std); 3397 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) { 3398 bge_reg_put32(bgep, JUMBO_RCV_BD_REPLENISH_REG, 3399 bge_replenish_jumbo); 3400 bge_reg_put32(bgep, MINI_RCV_BD_REPLENISH_REG, 3401 bge_replenish_mini); 3402 } 3403 3404 /* 3405 * Steps 41-43: clear Send Ring Producer Indices and initialise 3406 * Send Producer Rings (0x0100-0x01ff in NIC-local memory) 3407 */ 3408 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) 3409 maxring = BGE_SEND_RINGS_MAX; 3410 else 3411 maxring = BGE_SEND_RINGS_MAX_5705; 3412 for (ring = 0; ring < maxring; ++ring) { 3413 bge_mbx_put(bgep, SEND_RING_HOST_INDEX_REG(ring), 0); 3414 bge_mbx_put(bgep, SEND_RING_NIC_INDEX_REG(ring), 0); 3415 bge_nic_putrcb(bgep, NIC_MEM_SEND_RING(ring), 3416 &bgep->send[ring].hw_rcb); 3417 } 3418 3419 /* 3420 * Steps 44-45: initialise Receive Return Rings 3421 * (0x0200-0x02ff in NIC-local memory) 3422 */ 3423 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) 3424 maxring = BGE_RECV_RINGS_MAX; 3425 else 3426 maxring = BGE_RECV_RINGS_MAX_5705; 3427 for (ring = 0; ring < maxring; ++ring) 3428 bge_nic_putrcb(bgep, NIC_MEM_RECV_RING(ring), 3429 &bgep->recv[ring].hw_rcb); 3430 3431 /* 3432 * Step 46: initialise Receive Buffer (Producer) Ring indexes 3433 */ 3434 bge_mbx_put(bgep, RECV_STD_PROD_INDEX_REG, 0); 3435 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) { 3436 bge_mbx_put(bgep, RECV_JUMBO_PROD_INDEX_REG, 0); 3437 bge_mbx_put(bgep, RECV_MINI_PROD_INDEX_REG, 0); 3438 } 3439 /* 3440 * Step 47: configure the MAC unicast address 3441 * Step 48: configure the random backoff seed 3442 * Step 96: set up multicast filters 3443 */ 3444 #ifdef BGE_IPMI_ASF 3445 if (bge_chip_sync(bgep, B_FALSE) == DDI_FAILURE) 3446 #else 3447 if (bge_chip_sync(bgep) == DDI_FAILURE) 3448 #endif 3449 retval = DDI_FAILURE; 3450 3451 /* 3452 * Step 49: configure the MTU 3453 */ 3454 mtu = bgep->chipid.ethmax_size+ETHERFCSL+VLAN_TAGSZ; 3455 bge_reg_put32(bgep, MAC_RX_MTU_SIZE_REG, mtu); 3456 3457 /* 3458 * Step 50: configure the IPG et al 3459 */ 3460 bge_reg_put32(bgep, MAC_TX_LENGTHS_REG, MAC_TX_LENGTHS_DEFAULT); 3461 3462 /* 3463 * Step 51: configure the default Rx Return Ring 3464 */ 3465 bge_reg_put32(bgep, RCV_RULES_CONFIG_REG, RCV_RULES_CONFIG_DEFAULT); 3466 3467 /* 3468 * Steps 52-54: configure Receive List Placement, 3469 * and enable Receive List Placement Statistics 3470 */ 3471 bge_reg_put32(bgep, RCV_LP_CONFIG_REG, 3472 RCV_LP_CONFIG(bgep->chipid.rx_rings)); 3473 bge_reg_put32(bgep, RCV_LP_STATS_ENABLE_MASK_REG, ~0); 3474 bge_reg_set32(bgep, RCV_LP_STATS_CONTROL_REG, RCV_LP_STATS_ENABLE); 3475 3476 if (bgep->chipid.rx_rings > 1) 3477 bge_init_recv_rule(bgep); 3478 3479 /* 3480 * Steps 55-56: enable Send Data Initiator Statistics 3481 */ 3482 bge_reg_put32(bgep, SEND_INIT_STATS_ENABLE_MASK_REG, ~0); 3483 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) { 3484 bge_reg_put32(bgep, SEND_INIT_STATS_CONTROL_REG, 3485 SEND_INIT_STATS_ENABLE | SEND_INIT_STATS_FASTER); 3486 } else { 3487 bge_reg_put32(bgep, SEND_INIT_STATS_CONTROL_REG, 3488 SEND_INIT_STATS_ENABLE); 3489 } 3490 /* 3491 * Steps 57-58: stop (?) the Host Coalescing Engine 3492 */ 3493 if (!bge_chip_disable_engine(bgep, HOST_COALESCE_MODE_REG, ~0)) 3494 retval = DDI_FAILURE; 3495 3496 /* 3497 * Steps 59-62: initialise Host Coalescing parameters 3498 */ 3499 bge_reg_put32(bgep, SEND_COALESCE_MAX_BD_REG, bge_tx_count_norm); 3500 bge_reg_put32(bgep, SEND_COALESCE_TICKS_REG, bge_tx_ticks_norm); 3501 bge_reg_put32(bgep, RCV_COALESCE_MAX_BD_REG, bge_rx_count_norm); 3502 bge_reg_put32(bgep, RCV_COALESCE_TICKS_REG, bge_rx_ticks_norm); 3503 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) { 3504 bge_reg_put32(bgep, SEND_COALESCE_INT_BD_REG, 3505 bge_tx_count_intr); 3506 bge_reg_put32(bgep, SEND_COALESCE_INT_TICKS_REG, 3507 bge_tx_ticks_intr); 3508 bge_reg_put32(bgep, RCV_COALESCE_INT_BD_REG, 3509 bge_rx_count_intr); 3510 bge_reg_put32(bgep, RCV_COALESCE_INT_TICKS_REG, 3511 bge_rx_ticks_intr); 3512 } 3513 3514 /* 3515 * Steps 63-64: initialise status block & statistics 3516 * host memory addresses 3517 * The statistic block does not exist in some chipsets 3518 * Step 65: initialise Statistics Coalescing Tick Counter 3519 */ 3520 bge_reg_put64(bgep, STATUS_BLOCK_HOST_ADDR_REG, 3521 bgep->status_block.cookie.dmac_laddress); 3522 3523 /* 3524 * Steps 66-67: initialise status block & statistics 3525 * NIC-local memory addresses 3526 */ 3527 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) { 3528 bge_reg_put64(bgep, STATISTICS_HOST_ADDR_REG, 3529 bgep->statistics.cookie.dmac_laddress); 3530 bge_reg_put32(bgep, STATISTICS_TICKS_REG, 3531 STATISTICS_TICKS_DEFAULT); 3532 bge_reg_put32(bgep, STATUS_BLOCK_BASE_ADDR_REG, 3533 NIC_MEM_STATUS_BLOCK); 3534 bge_reg_put32(bgep, STATISTICS_BASE_ADDR_REG, 3535 NIC_MEM_STATISTICS); 3536 } 3537 3538 /* 3539 * Steps 68-71: start the Host Coalescing Engine, the Receive BD 3540 * Completion Engine, the Receive List Placement Engine, and the 3541 * Receive List selector.Pay attention:0x3400 is not exist in BCM5714 3542 * and BCM5715. 3543 */ 3544 if (bgep->chipid.tx_rings <= COALESCE_64_BYTE_RINGS && 3545 bgep->chipid.rx_rings <= COALESCE_64_BYTE_RINGS) 3546 coalmode = COALESCE_64_BYTE_STATUS; 3547 else 3548 coalmode = 0; 3549 if (!bge_chip_enable_engine(bgep, HOST_COALESCE_MODE_REG, coalmode)) 3550 retval = DDI_FAILURE; 3551 if (!bge_chip_enable_engine(bgep, RCV_BD_COMPLETION_MODE_REG, 3552 STATE_MACHINE_ATTN_ENABLE_BIT)) 3553 retval = DDI_FAILURE; 3554 if (!bge_chip_enable_engine(bgep, RCV_LIST_PLACEMENT_MODE_REG, 0)) 3555 retval = DDI_FAILURE; 3556 3557 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) 3558 if (!bge_chip_enable_engine(bgep, RCV_LIST_SELECTOR_MODE_REG, 3559 STATE_MACHINE_ATTN_ENABLE_BIT)) 3560 retval = DDI_FAILURE; 3561 3562 /* 3563 * Step 72: Enable MAC DMA engines 3564 * Step 73: Clear & enable MAC statistics 3565 */ 3566 bge_reg_set32(bgep, ETHERNET_MAC_MODE_REG, 3567 ETHERNET_MODE_ENABLE_FHDE | 3568 ETHERNET_MODE_ENABLE_RDE | 3569 ETHERNET_MODE_ENABLE_TDE); 3570 bge_reg_set32(bgep, ETHERNET_MAC_MODE_REG, 3571 ETHERNET_MODE_ENABLE_TX_STATS | 3572 ETHERNET_MODE_ENABLE_RX_STATS | 3573 ETHERNET_MODE_CLEAR_TX_STATS | 3574 ETHERNET_MODE_CLEAR_RX_STATS); 3575 3576 /* 3577 * Step 74: configure the MLCR (Miscellaneous Local Control 3578 * Register); not required, as we set up the MLCR in step 10 3579 * (part of the reset code) above. 3580 * 3581 * Step 75: clear Interrupt Mailbox 0 3582 */ 3583 bge_mbx_put(bgep, INTERRUPT_MBOX_0_REG, 0); 3584 3585 /* 3586 * Steps 76-87: Gentlemen, start your engines ... 3587 * 3588 * Enable the DMA Completion Engine, the Write DMA Engine, 3589 * the Read DMA Engine, Receive Data Completion Engine, 3590 * the MBuf Cluster Free Engine, the Send Data Completion Engine, 3591 * the Send BD Completion Engine, the Receive BD Initiator Engine, 3592 * the Receive Data Initiator Engine, the Send Data Initiator Engine, 3593 * the Send BD Initiator Engine, and the Send BD Selector Engine. 3594 * 3595 * Beware exhaust fumes? 3596 */ 3597 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) 3598 if (!bge_chip_enable_engine(bgep, DMA_COMPLETION_MODE_REG, 0)) 3599 retval = DDI_FAILURE; 3600 if (!bge_chip_enable_engine(bgep, WRITE_DMA_MODE_REG, 3601 (bge_dma_wrprio << DMA_PRIORITY_SHIFT) | ALL_DMA_ATTN_BITS)) 3602 retval = DDI_FAILURE; 3603 if (!bge_chip_enable_engine(bgep, READ_DMA_MODE_REG, 3604 (bge_dma_rdprio << DMA_PRIORITY_SHIFT) | ALL_DMA_ATTN_BITS)) 3605 retval = DDI_FAILURE; 3606 if (!bge_chip_enable_engine(bgep, RCV_DATA_COMPLETION_MODE_REG, 3607 STATE_MACHINE_ATTN_ENABLE_BIT)) 3608 retval = DDI_FAILURE; 3609 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) 3610 if (!bge_chip_enable_engine(bgep, 3611 MBUF_CLUSTER_FREE_MODE_REG, 0)) 3612 retval = DDI_FAILURE; 3613 if (!bge_chip_enable_engine(bgep, SEND_DATA_COMPLETION_MODE_REG, 0)) 3614 retval = DDI_FAILURE; 3615 if (!bge_chip_enable_engine(bgep, SEND_BD_COMPLETION_MODE_REG, 3616 STATE_MACHINE_ATTN_ENABLE_BIT)) 3617 retval = DDI_FAILURE; 3618 if (!bge_chip_enable_engine(bgep, RCV_BD_INITIATOR_MODE_REG, 3619 RCV_BD_DISABLED_RING_ATTN)) 3620 retval = DDI_FAILURE; 3621 if (!bge_chip_enable_engine(bgep, RCV_DATA_BD_INITIATOR_MODE_REG, 3622 RCV_DATA_BD_ILL_RING_ATTN)) 3623 retval = DDI_FAILURE; 3624 if (!bge_chip_enable_engine(bgep, SEND_DATA_INITIATOR_MODE_REG, 0)) 3625 retval = DDI_FAILURE; 3626 if (!bge_chip_enable_engine(bgep, SEND_BD_INITIATOR_MODE_REG, 3627 STATE_MACHINE_ATTN_ENABLE_BIT)) 3628 retval = DDI_FAILURE; 3629 if (!bge_chip_enable_engine(bgep, SEND_BD_SELECTOR_MODE_REG, 3630 STATE_MACHINE_ATTN_ENABLE_BIT)) 3631 retval = DDI_FAILURE; 3632 3633 /* 3634 * Step 88: download firmware -- doesn't apply 3635 * Steps 89-90: enable Transmit & Receive MAC Engines 3636 */ 3637 if (!bge_chip_enable_engine(bgep, TRANSMIT_MAC_MODE_REG, 0)) 3638 retval = DDI_FAILURE; 3639 #ifdef BGE_IPMI_ASF 3640 if (!bgep->asf_enabled) { 3641 if (!bge_chip_enable_engine(bgep, RECEIVE_MAC_MODE_REG, 3642 RECEIVE_MODE_KEEP_VLAN_TAG)) 3643 retval = DDI_FAILURE; 3644 } else { 3645 if (!bge_chip_enable_engine(bgep, RECEIVE_MAC_MODE_REG, 0)) 3646 retval = DDI_FAILURE; 3647 } 3648 #else 3649 if (!bge_chip_enable_engine(bgep, RECEIVE_MAC_MODE_REG, 3650 RECEIVE_MODE_KEEP_VLAN_TAG)) 3651 retval = DDI_FAILURE; 3652 #endif 3653 3654 /* 3655 * Step 91: disable auto-polling of PHY status 3656 */ 3657 bge_reg_put32(bgep, MI_MODE_REG, MI_MODE_DEFAULT); 3658 3659 /* 3660 * Step 92: configure D0 power state (not required) 3661 * Step 93: initialise LED control register () 3662 */ 3663 ledctl = LED_CONTROL_DEFAULT; 3664 switch (bgep->chipid.device) { 3665 case DEVICE_ID_5700: 3666 case DEVICE_ID_5700x: 3667 case DEVICE_ID_5701: 3668 /* 3669 * Switch to 5700 (MAC) mode on these older chips 3670 */ 3671 ledctl &= ~LED_CONTROL_LED_MODE_MASK; 3672 ledctl |= LED_CONTROL_LED_MODE_5700; 3673 break; 3674 3675 default: 3676 break; 3677 } 3678 bge_reg_put32(bgep, ETHERNET_MAC_LED_CONTROL_REG, ledctl); 3679 3680 /* 3681 * Step 94: activate link 3682 */ 3683 bge_reg_put32(bgep, MI_STATUS_REG, MI_STATUS_LINK); 3684 3685 /* 3686 * Step 95: set up physical layer (PHY/SerDes) 3687 * restart autoneg (if required) 3688 */ 3689 if (reset_phys) 3690 if (bge_phys_update(bgep) == DDI_FAILURE) 3691 retval = DDI_FAILURE; 3692 3693 /* 3694 * Extra step (DSG): hand over all the Receive Buffers to the chip 3695 */ 3696 for (ring = 0; ring < BGE_BUFF_RINGS_USED; ++ring) 3697 bge_mbx_put(bgep, bgep->buff[ring].chip_mbx_reg, 3698 bgep->buff[ring].rf_next); 3699 3700 /* 3701 * MSI bits:The least significant MSI 16-bit word. 3702 * ISR will be triggered different. 3703 */ 3704 if (bgep->intr_type == DDI_INTR_TYPE_MSI) 3705 bge_reg_set32(bgep, HOST_COALESCE_MODE_REG, 0x70); 3706 3707 /* 3708 * Extra step (DSG): select which interrupts are enabled 3709 * 3710 * Program the Ethernet MAC engine to signal attention on 3711 * Link Change events, then enable interrupts on MAC, DMA, 3712 * and FLOW attention signals. 3713 */ 3714 bge_reg_set32(bgep, ETHERNET_MAC_EVENT_ENABLE_REG, 3715 ETHERNET_EVENT_LINK_INT | 3716 ETHERNET_STATUS_PCS_ERROR_INT); 3717 #ifdef BGE_IPMI_ASF 3718 if (bgep->asf_enabled) { 3719 bge_reg_set32(bgep, MODE_CONTROL_REG, 3720 MODE_INT_ON_FLOW_ATTN | 3721 MODE_INT_ON_DMA_ATTN | 3722 MODE_HOST_STACK_UP| 3723 MODE_INT_ON_MAC_ATTN); 3724 } else { 3725 #endif 3726 bge_reg_set32(bgep, MODE_CONTROL_REG, 3727 MODE_INT_ON_FLOW_ATTN | 3728 MODE_INT_ON_DMA_ATTN | 3729 MODE_INT_ON_MAC_ATTN); 3730 #ifdef BGE_IPMI_ASF 3731 } 3732 #endif 3733 3734 /* 3735 * Step 97: enable PCI interrupts!!! 3736 */ 3737 if (bgep->intr_type == DDI_INTR_TYPE_FIXED) 3738 bge_cfg_clr32(bgep, PCI_CONF_BGE_MHCR, 3739 MHCR_MASK_PCI_INT_OUTPUT); 3740 3741 /* 3742 * All done! 3743 */ 3744 bgep->bge_chip_state = BGE_CHIP_RUNNING; 3745 return (retval); 3746 } 3747 3748 3749 /* 3750 * ========== Hardware interrupt handler ========== 3751 */ 3752 3753 #undef BGE_DBG 3754 #define BGE_DBG BGE_DBG_INT /* debug flag for this code */ 3755 3756 /* 3757 * Sync the status block, then atomically clear the specified bits in 3758 * the <flags-and-tag> field of the status block. 3759 * the <flags> word of the status block, returning the value of the 3760 * <tag> and the <flags> before the bits were cleared. 3761 */ 3762 static int bge_status_sync(bge_t *bgep, uint64_t bits, uint64_t *flags); 3763 #pragma inline(bge_status_sync) 3764 3765 static int 3766 bge_status_sync(bge_t *bgep, uint64_t bits, uint64_t *flags) 3767 { 3768 bge_status_t *bsp; 3769 int retval; 3770 3771 BGE_TRACE(("bge_status_sync($%p, 0x%llx)", 3772 (void *)bgep, bits)); 3773 3774 ASSERT(bgep->bge_guard == BGE_GUARD); 3775 3776 DMA_SYNC(bgep->status_block, DDI_DMA_SYNC_FORKERNEL); 3777 retval = bge_check_dma_handle(bgep, bgep->status_block.dma_hdl); 3778 if (retval != DDI_FM_OK) 3779 return (retval); 3780 3781 bsp = DMA_VPTR(bgep->status_block); 3782 *flags = bge_atomic_clr64(&bsp->flags_n_tag, bits); 3783 3784 BGE_DEBUG(("bge_status_sync($%p, 0x%llx) returning 0x%llx", 3785 (void *)bgep, bits, *flags)); 3786 3787 return (retval); 3788 } 3789 3790 static void bge_wake_factotum(bge_t *bgep); 3791 #pragma inline(bge_wake_factotum) 3792 3793 static void 3794 bge_wake_factotum(bge_t *bgep) 3795 { 3796 mutex_enter(bgep->softintrlock); 3797 if (bgep->factotum_flag == 0) { 3798 bgep->factotum_flag = 1; 3799 ddi_trigger_softintr(bgep->factotum_id); 3800 } 3801 mutex_exit(bgep->softintrlock); 3802 } 3803 3804 /* 3805 * bge_intr() -- handle chip interrupts 3806 */ 3807 uint_t bge_intr(caddr_t arg1, caddr_t arg2); 3808 #pragma no_inline(bge_intr) 3809 3810 uint_t 3811 bge_intr(caddr_t arg1, caddr_t arg2) 3812 { 3813 bge_t *bgep = (bge_t *)arg1; /* private device info */ 3814 bge_status_t *bsp; 3815 uint64_t flags; 3816 uint32_t mlcr = 0; 3817 uint_t result; 3818 int retval; 3819 3820 BGE_TRACE(("bge_intr($%p) ($%p)", arg1, arg2)); 3821 3822 /* 3823 * GLD v2 checks that s/w setup is complete before passing 3824 * interrupts to this routine, thus eliminating the old 3825 * (and well-known) race condition around ddi_add_intr() 3826 */ 3827 ASSERT(bgep->progress & PROGRESS_HWINT); 3828 3829 /* 3830 * Check whether chip's says it's asserting #INTA; 3831 * if not, don't process or claim the interrupt. 3832 * 3833 * Note that the PCI signal is active low, so the 3834 * bit is *zero* when the interrupt is asserted. 3835 */ 3836 result = DDI_INTR_UNCLAIMED; 3837 mutex_enter(bgep->genlock); 3838 3839 if (bgep->intr_type == DDI_INTR_TYPE_FIXED) 3840 mlcr = bge_reg_get32(bgep, MISC_LOCAL_CONTROL_REG); 3841 3842 BGE_DEBUG(("bge_intr($%p) ($%p) mlcr 0x%08x", arg1, arg2, mlcr)); 3843 3844 if ((mlcr & MLCR_INTA_STATE) == 0) { 3845 /* 3846 * Block further PCI interrupts ... 3847 */ 3848 result = DDI_INTR_CLAIMED; 3849 3850 if (bgep->intr_type == DDI_INTR_TYPE_FIXED) { 3851 bge_reg_set32(bgep, PCI_CONF_BGE_MHCR, 3852 MHCR_MASK_PCI_INT_OUTPUT); 3853 if (bge_check_acc_handle(bgep, bgep->cfg_handle) != 3854 DDI_FM_OK) 3855 goto chip_stop; 3856 } 3857 3858 /* 3859 * Sync the status block and grab the flags-n-tag from it. 3860 * We count the number of interrupts where there doesn't 3861 * seem to have been a DMA update of the status block; if 3862 * it *has* been updated, the counter will be cleared in 3863 * the while() loop below ... 3864 */ 3865 bgep->missed_dmas += 1; 3866 bsp = DMA_VPTR(bgep->status_block); 3867 for (;;) { 3868 if (bgep->bge_chip_state != BGE_CHIP_RUNNING) { 3869 /* 3870 * bge_chip_stop() may have freed dma area etc 3871 * while we were in this interrupt handler - 3872 * better not call bge_status_sync() 3873 */ 3874 (void) bge_check_acc_handle(bgep, 3875 bgep->io_handle); 3876 mutex_exit(bgep->genlock); 3877 return (DDI_INTR_CLAIMED); 3878 } 3879 retval = bge_status_sync(bgep, STATUS_FLAG_UPDATED, 3880 &flags); 3881 if (retval != DDI_FM_OK) { 3882 bgep->bge_dma_error = B_TRUE; 3883 goto chip_stop; 3884 } 3885 3886 if (!(flags & STATUS_FLAG_UPDATED)) 3887 break; 3888 3889 /* 3890 * Tell the chip that we're processing the interrupt 3891 */ 3892 bge_mbx_put(bgep, INTERRUPT_MBOX_0_REG, 3893 INTERRUPT_MBOX_DISABLE(flags)); 3894 if (bge_check_acc_handle(bgep, bgep->io_handle) != 3895 DDI_FM_OK) 3896 goto chip_stop; 3897 3898 /* 3899 * Drop the mutex while we: 3900 * Receive any newly-arrived packets 3901 * Recycle any newly-finished send buffers 3902 */ 3903 bgep->bge_intr_running = B_TRUE; 3904 mutex_exit(bgep->genlock); 3905 bge_receive(bgep, bsp); 3906 bge_recycle(bgep, bsp); 3907 mutex_enter(bgep->genlock); 3908 bgep->bge_intr_running = B_FALSE; 3909 3910 /* 3911 * Tell the chip we've finished processing, and 3912 * give it the tag that we got from the status 3913 * block earlier, so that it knows just how far 3914 * we've gone. If it's got more for us to do, 3915 * it will now update the status block and try 3916 * to assert an interrupt (but we've got the 3917 * #INTA blocked at present). If we see the 3918 * update, we'll loop around to do some more. 3919 * Eventually we'll get out of here ... 3920 */ 3921 bge_mbx_put(bgep, INTERRUPT_MBOX_0_REG, 3922 INTERRUPT_MBOX_ENABLE(flags)); 3923 bgep->missed_dmas = 0; 3924 } 3925 3926 /* 3927 * Check for exceptional conditions that we need to handle 3928 * 3929 * Link status changed 3930 * Status block not updated 3931 */ 3932 if (flags & STATUS_FLAG_LINK_CHANGED) 3933 bge_wake_factotum(bgep); 3934 3935 if (bgep->missed_dmas) { 3936 /* 3937 * Probably due to the internal status tag not 3938 * being reset. Force a status block update now; 3939 * this should ensure that we get an update and 3940 * a new interrupt. After that, we should be in 3941 * sync again ... 3942 */ 3943 BGE_REPORT((bgep, "interrupt: flags 0x%llx - " 3944 "not updated?", flags)); 3945 bge_reg_set32(bgep, HOST_COALESCE_MODE_REG, 3946 COALESCE_NOW); 3947 3948 if (bgep->missed_dmas >= bge_dma_miss_limit) { 3949 /* 3950 * If this happens multiple times in a row, 3951 * it means DMA is just not working. Maybe 3952 * the chip's failed, or maybe there's a 3953 * problem on the PCI bus or in the host-PCI 3954 * bridge (Tomatillo). 3955 * 3956 * At all events, we want to stop further 3957 * interrupts and let the recovery code take 3958 * over to see whether anything can be done 3959 * about it ... 3960 */ 3961 bge_fm_ereport(bgep, 3962 DDI_FM_DEVICE_BADINT_LIMIT); 3963 goto chip_stop; 3964 } 3965 } 3966 3967 /* 3968 * Reenable assertion of #INTA, unless there's a DMA fault 3969 */ 3970 if (result == DDI_INTR_CLAIMED) { 3971 if (bgep->intr_type == DDI_INTR_TYPE_FIXED) { 3972 bge_reg_clr32(bgep, PCI_CONF_BGE_MHCR, 3973 MHCR_MASK_PCI_INT_OUTPUT); 3974 if (bge_check_acc_handle(bgep, 3975 bgep->cfg_handle) != DDI_FM_OK) 3976 goto chip_stop; 3977 } 3978 } 3979 } 3980 3981 if (bge_check_acc_handle(bgep, bgep->io_handle) != DDI_FM_OK) 3982 goto chip_stop; 3983 3984 mutex_exit(bgep->genlock); 3985 return (result); 3986 3987 chip_stop: 3988 #ifdef BGE_IPMI_ASF 3989 if (bgep->asf_enabled && bgep->asf_status == ASF_STAT_RUN) { 3990 /* 3991 * We must stop ASF heart beat before 3992 * bge_chip_stop(), otherwise some 3993 * computers (ex. IBM HS20 blade 3994 * server) may crash. 3995 */ 3996 bge_asf_update_status(bgep); 3997 bge_asf_stop_timer(bgep); 3998 bgep->asf_status = ASF_STAT_STOP; 3999 4000 bge_asf_pre_reset_operations(bgep, BGE_INIT_RESET); 4001 (void) bge_check_acc_handle(bgep, bgep->cfg_handle); 4002 } 4003 #endif 4004 bge_chip_stop(bgep, B_TRUE); 4005 (void) bge_check_acc_handle(bgep, bgep->io_handle); 4006 mutex_exit(bgep->genlock); 4007 return (result); 4008 } 4009 4010 /* 4011 * ========== Factotum, implemented as a softint handler ========== 4012 */ 4013 4014 #undef BGE_DBG 4015 #define BGE_DBG BGE_DBG_FACT /* debug flag for this code */ 4016 4017 static void bge_factotum_error_handler(bge_t *bgep); 4018 #pragma no_inline(bge_factotum_error_handler) 4019 4020 static void 4021 bge_factotum_error_handler(bge_t *bgep) 4022 { 4023 uint32_t flow; 4024 uint32_t rdma; 4025 uint32_t wdma; 4026 uint32_t tmac; 4027 uint32_t rmac; 4028 uint32_t rxrs; 4029 uint32_t txrs = 0; 4030 4031 ASSERT(mutex_owned(bgep->genlock)); 4032 4033 /* 4034 * Read all the registers that show the possible 4035 * reasons for the ERROR bit to be asserted 4036 */ 4037 flow = bge_reg_get32(bgep, FLOW_ATTN_REG); 4038 rdma = bge_reg_get32(bgep, READ_DMA_STATUS_REG); 4039 wdma = bge_reg_get32(bgep, WRITE_DMA_STATUS_REG); 4040 tmac = bge_reg_get32(bgep, TRANSMIT_MAC_STATUS_REG); 4041 rmac = bge_reg_get32(bgep, RECEIVE_MAC_STATUS_REG); 4042 rxrs = bge_reg_get32(bgep, RX_RISC_STATE_REG); 4043 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) 4044 txrs = bge_reg_get32(bgep, TX_RISC_STATE_REG); 4045 4046 BGE_DEBUG(("factotum($%p) flow 0x%x rdma 0x%x wdma 0x%x", 4047 (void *)bgep, flow, rdma, wdma)); 4048 BGE_DEBUG(("factotum($%p) tmac 0x%x rmac 0x%x rxrs 0x%08x txrs 0x%08x", 4049 (void *)bgep, tmac, rmac, rxrs, txrs)); 4050 4051 /* 4052 * For now, just clear all the errors ... 4053 */ 4054 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) 4055 bge_reg_put32(bgep, TX_RISC_STATE_REG, ~0); 4056 bge_reg_put32(bgep, RX_RISC_STATE_REG, ~0); 4057 bge_reg_put32(bgep, RECEIVE_MAC_STATUS_REG, ~0); 4058 bge_reg_put32(bgep, WRITE_DMA_STATUS_REG, ~0); 4059 bge_reg_put32(bgep, READ_DMA_STATUS_REG, ~0); 4060 bge_reg_put32(bgep, FLOW_ATTN_REG, ~0); 4061 } 4062 4063 /* 4064 * Handler for hardware link state change. 4065 * 4066 * When this routine is called, the hardware link state has changed 4067 * and the new state is reflected in the param_* variables. Here 4068 * we must update the softstate, reprogram the MAC to match, and 4069 * record the change in the log and/or on the console. 4070 */ 4071 static void bge_factotum_link_handler(bge_t *bgep); 4072 #pragma no_inline(bge_factotum_link_handler) 4073 4074 static void 4075 bge_factotum_link_handler(bge_t *bgep) 4076 { 4077 void (*logfn)(bge_t *bgep, const char *fmt, ...); 4078 const char *msg; 4079 hrtime_t deltat; 4080 4081 ASSERT(mutex_owned(bgep->genlock)); 4082 4083 /* 4084 * Update the s/w link_state 4085 */ 4086 if (bgep->param_link_up) 4087 bgep->link_state = LINK_STATE_UP; 4088 else 4089 bgep->link_state = LINK_STATE_DOWN; 4090 4091 /* 4092 * Reprogram the MAC modes to match 4093 */ 4094 bge_sync_mac_modes(bgep); 4095 4096 /* 4097 * Finally, we have to decide whether to write a message 4098 * on the console or only in the log. If the PHY has 4099 * been reprogrammed (at user request) "recently", then 4100 * the message only goes in the log. Otherwise it's an 4101 * "unexpected" event, and it goes on the console as well. 4102 */ 4103 deltat = bgep->phys_event_time - bgep->phys_write_time; 4104 if (deltat > BGE_LINK_SETTLE_TIME) 4105 msg = ""; 4106 else if (bgep->param_link_up) 4107 msg = bgep->link_up_msg; 4108 else 4109 msg = bgep->link_down_msg; 4110 4111 logfn = (msg == NULL || *msg == '\0') ? bge_notice : bge_log; 4112 (*logfn)(bgep, "link %s%s", bgep->link_mode_msg, msg); 4113 } 4114 4115 static boolean_t bge_factotum_link_check(bge_t *bgep, int *dma_state); 4116 #pragma no_inline(bge_factotum_link_check) 4117 4118 static boolean_t 4119 bge_factotum_link_check(bge_t *bgep, int *dma_state) 4120 { 4121 boolean_t check; 4122 uint64_t flags; 4123 uint32_t tmac_status; 4124 4125 ASSERT(mutex_owned(bgep->genlock)); 4126 4127 /* 4128 * Get & clear the writable status bits in the Tx status register 4129 * (some bits are write-1-to-clear, others are just readonly). 4130 */ 4131 tmac_status = bge_reg_get32(bgep, TRANSMIT_MAC_STATUS_REG); 4132 bge_reg_put32(bgep, TRANSMIT_MAC_STATUS_REG, tmac_status); 4133 4134 /* 4135 * Get & clear the ERROR and LINK_CHANGED bits from the status block 4136 */ 4137 *dma_state = bge_status_sync(bgep, STATUS_FLAG_ERROR | 4138 STATUS_FLAG_LINK_CHANGED, &flags); 4139 if (*dma_state != DDI_FM_OK) 4140 return (B_FALSE); 4141 4142 /* 4143 * Clear any errors flagged in the status block ... 4144 */ 4145 if (flags & STATUS_FLAG_ERROR) 4146 bge_factotum_error_handler(bgep); 4147 4148 /* 4149 * We need to check the link status if: 4150 * the status block says there's been a link change 4151 * or there's any discrepancy between the various 4152 * flags indicating the link state (link_state, 4153 * param_link_up, and the LINK STATE bit in the 4154 * Transmit MAC status register). 4155 */ 4156 check = (flags & STATUS_FLAG_LINK_CHANGED) != 0; 4157 switch (bgep->link_state) { 4158 case LINK_STATE_UP: 4159 check |= (bgep->param_link_up == B_FALSE); 4160 check |= ((tmac_status & TRANSMIT_STATUS_LINK_UP) == 0); 4161 break; 4162 4163 case LINK_STATE_DOWN: 4164 check |= (bgep->param_link_up != B_FALSE); 4165 check |= ((tmac_status & TRANSMIT_STATUS_LINK_UP) != 0); 4166 break; 4167 4168 default: 4169 check = B_TRUE; 4170 break; 4171 } 4172 4173 /* 4174 * If <check> is false, we're sure the link hasn't changed. 4175 * If true, however, it's not yet definitive; we have to call 4176 * bge_phys_check() to determine whether the link has settled 4177 * into a new state yet ... and if it has, then call the link 4178 * state change handler.But when the chip is 5700 in Dell 6650 4179 * ,even if check is false, the link may have changed.So we 4180 * have to call bge_phys_check() to determine the link state. 4181 */ 4182 if (check || bgep->chipid.device == DEVICE_ID_5700) { 4183 check = bge_phys_check(bgep); 4184 if (check) 4185 bge_factotum_link_handler(bgep); 4186 } 4187 4188 return (check); 4189 } 4190 4191 /* 4192 * Factotum routine to check for Tx stall, using the 'watchdog' counter 4193 */ 4194 static boolean_t bge_factotum_stall_check(bge_t *bgep); 4195 #pragma no_inline(bge_factotum_stall_check) 4196 4197 static boolean_t 4198 bge_factotum_stall_check(bge_t *bgep) 4199 { 4200 uint32_t dogval; 4201 4202 ASSERT(mutex_owned(bgep->genlock)); 4203 4204 /* 4205 * Specific check for Tx stall ... 4206 * 4207 * The 'watchdog' counter is incremented whenever a packet 4208 * is queued, reset to 1 when some (but not all) buffers 4209 * are reclaimed, reset to 0 (disabled) when all buffers 4210 * are reclaimed, and shifted left here. If it exceeds the 4211 * threshold value, the chip is assumed to have stalled and 4212 * is put into the ERROR state. The factotum will then reset 4213 * it on the next pass. 4214 * 4215 * All of which should ensure that we don't get into a state 4216 * where packets are left pending indefinitely! 4217 */ 4218 dogval = bge_atomic_shl32(&bgep->watchdog, 1); 4219 if (dogval < bge_watchdog_count) 4220 return (B_FALSE); 4221 4222 BGE_REPORT((bgep, "Tx stall detected, watchdog code 0x%x", dogval)); 4223 bge_fm_ereport(bgep, DDI_FM_DEVICE_STALL); 4224 return (B_TRUE); 4225 } 4226 4227 /* 4228 * The factotum is woken up when there's something to do that we'd rather 4229 * not do from inside a hardware interrupt handler or high-level cyclic. 4230 * Its two main tasks are: 4231 * reset & restart the chip after an error 4232 * check the link status whenever necessary 4233 */ 4234 uint_t bge_chip_factotum(caddr_t arg); 4235 #pragma no_inline(bge_chip_factotum) 4236 4237 uint_t 4238 bge_chip_factotum(caddr_t arg) 4239 { 4240 bge_t *bgep; 4241 uint_t result; 4242 boolean_t error; 4243 boolean_t linkchg; 4244 int dma_state; 4245 4246 bgep = (bge_t *)arg; 4247 4248 BGE_TRACE(("bge_chip_factotum($%p)", (void *)bgep)); 4249 4250 mutex_enter(bgep->softintrlock); 4251 if (bgep->factotum_flag == 0) { 4252 mutex_exit(bgep->softintrlock); 4253 return (DDI_INTR_UNCLAIMED); 4254 } 4255 bgep->factotum_flag = 0; 4256 mutex_exit(bgep->softintrlock); 4257 4258 result = DDI_INTR_CLAIMED; 4259 error = B_FALSE; 4260 linkchg = B_FALSE; 4261 4262 mutex_enter(bgep->genlock); 4263 switch (bgep->bge_chip_state) { 4264 default: 4265 break; 4266 4267 case BGE_CHIP_RUNNING: 4268 linkchg = bge_factotum_link_check(bgep, &dma_state); 4269 error = bge_factotum_stall_check(bgep); 4270 if (dma_state != DDI_FM_OK) { 4271 bgep->bge_dma_error = B_TRUE; 4272 error = B_TRUE; 4273 } 4274 if (bge_check_acc_handle(bgep, bgep->io_handle) != DDI_FM_OK) 4275 error = B_TRUE; 4276 if (error) 4277 bgep->bge_chip_state = BGE_CHIP_ERROR; 4278 break; 4279 4280 case BGE_CHIP_ERROR: 4281 error = B_TRUE; 4282 break; 4283 4284 case BGE_CHIP_FAULT: 4285 /* 4286 * Fault detected, time to reset ... 4287 */ 4288 if (bge_autorecover) { 4289 if (!(bgep->progress & PROGRESS_BUFS)) { 4290 /* 4291 * if we can't allocate the ring buffers, 4292 * try later 4293 */ 4294 if (bge_alloc_bufs(bgep) != DDI_SUCCESS) { 4295 mutex_exit(bgep->genlock); 4296 return (result); 4297 } 4298 bgep->progress |= PROGRESS_BUFS; 4299 } 4300 if (!(bgep->progress & PROGRESS_INTR)) { 4301 bge_init_rings(bgep); 4302 bge_intr_enable(bgep); 4303 bgep->progress |= PROGRESS_INTR; 4304 } 4305 if (!(bgep->progress & PROGRESS_KSTATS)) { 4306 bge_init_kstats(bgep, 4307 ddi_get_instance(bgep->devinfo)); 4308 bgep->progress |= PROGRESS_KSTATS; 4309 } 4310 4311 BGE_REPORT((bgep, "automatic recovery activated")); 4312 4313 if (bge_restart(bgep, B_FALSE) != DDI_SUCCESS) { 4314 bgep->bge_chip_state = BGE_CHIP_ERROR; 4315 error = B_TRUE; 4316 } 4317 if (bge_check_acc_handle(bgep, bgep->cfg_handle) != 4318 DDI_FM_OK) { 4319 bgep->bge_chip_state = BGE_CHIP_ERROR; 4320 error = B_TRUE; 4321 } 4322 if (bge_check_acc_handle(bgep, bgep->io_handle) != 4323 DDI_FM_OK) { 4324 bgep->bge_chip_state = BGE_CHIP_ERROR; 4325 error = B_TRUE; 4326 } 4327 if (error == B_FALSE) { 4328 #ifdef BGE_IPMI_ASF 4329 if (bgep->asf_enabled && 4330 bgep->asf_status != ASF_STAT_RUN) { 4331 bgep->asf_timeout_id = timeout( 4332 bge_asf_heartbeat, (void *)bgep, 4333 drv_usectohz( 4334 BGE_ASF_HEARTBEAT_INTERVAL)); 4335 bgep->asf_status = ASF_STAT_RUN; 4336 } 4337 #endif 4338 ddi_fm_service_impact(bgep->devinfo, 4339 DDI_SERVICE_RESTORED); 4340 } 4341 } 4342 break; 4343 } 4344 4345 4346 /* 4347 * If an error is detected, stop the chip now, marking it as 4348 * faulty, so that it will be reset next time through ... 4349 * 4350 * Note that if intr_running is set, then bge_intr() has dropped 4351 * genlock to call bge_receive/bge_recycle. Can't stop the chip at 4352 * this point so have to wait until the next time the factotum runs. 4353 */ 4354 if (error && !bgep->bge_intr_running) { 4355 #ifdef BGE_IPMI_ASF 4356 if (bgep->asf_enabled && (bgep->asf_status == ASF_STAT_RUN)) { 4357 /* 4358 * We must stop ASF heart beat before bge_chip_stop(), 4359 * otherwise some computers (ex. IBM HS20 blade server) 4360 * may crash. 4361 */ 4362 bge_asf_update_status(bgep); 4363 bge_asf_stop_timer(bgep); 4364 bgep->asf_status = ASF_STAT_STOP; 4365 4366 bge_asf_pre_reset_operations(bgep, BGE_INIT_RESET); 4367 (void) bge_check_acc_handle(bgep, bgep->cfg_handle); 4368 } 4369 #endif 4370 bge_chip_stop(bgep, B_TRUE); 4371 (void) bge_check_acc_handle(bgep, bgep->io_handle); 4372 } 4373 mutex_exit(bgep->genlock); 4374 4375 /* 4376 * If the link state changed, tell the world about it. 4377 * Note: can't do this while still holding the mutex. 4378 */ 4379 if (linkchg) 4380 mac_link_update(bgep->mh, bgep->link_state); 4381 4382 return (result); 4383 } 4384 4385 /* 4386 * High-level cyclic handler 4387 * 4388 * This routine schedules a (low-level) softint callback to the 4389 * factotum, and prods the chip to update the status block (which 4390 * will cause a hardware interrupt when complete). 4391 */ 4392 void bge_chip_cyclic(void *arg); 4393 #pragma no_inline(bge_chip_cyclic) 4394 4395 void 4396 bge_chip_cyclic(void *arg) 4397 { 4398 bge_t *bgep; 4399 4400 bgep = arg; 4401 4402 switch (bgep->bge_chip_state) { 4403 default: 4404 return; 4405 4406 case BGE_CHIP_RUNNING: 4407 bge_reg_set32(bgep, HOST_COALESCE_MODE_REG, COALESCE_NOW); 4408 if (bge_check_acc_handle(bgep, bgep->io_handle) != DDI_FM_OK) 4409 ddi_fm_service_impact(bgep->devinfo, 4410 DDI_SERVICE_UNAFFECTED); 4411 break; 4412 4413 case BGE_CHIP_FAULT: 4414 case BGE_CHIP_ERROR: 4415 break; 4416 } 4417 4418 bge_wake_factotum(bgep); 4419 } 4420 4421 4422 /* 4423 * ========== Ioctl subfunctions ========== 4424 */ 4425 4426 #undef BGE_DBG 4427 #define BGE_DBG BGE_DBG_PPIO /* debug flag for this code */ 4428 4429 #if BGE_DEBUGGING || BGE_DO_PPIO 4430 4431 static void bge_chip_peek_cfg(bge_t *bgep, bge_peekpoke_t *ppd); 4432 #pragma no_inline(bge_chip_peek_cfg) 4433 4434 static void 4435 bge_chip_peek_cfg(bge_t *bgep, bge_peekpoke_t *ppd) 4436 { 4437 uint64_t regval; 4438 uint64_t regno; 4439 4440 BGE_TRACE(("bge_chip_peek_cfg($%p, $%p)", 4441 (void *)bgep, (void *)ppd)); 4442 4443 regno = ppd->pp_acc_offset; 4444 4445 switch (ppd->pp_acc_size) { 4446 case 1: 4447 regval = pci_config_get8(bgep->cfg_handle, regno); 4448 break; 4449 4450 case 2: 4451 regval = pci_config_get16(bgep->cfg_handle, regno); 4452 break; 4453 4454 case 4: 4455 regval = pci_config_get32(bgep->cfg_handle, regno); 4456 break; 4457 4458 case 8: 4459 regval = pci_config_get64(bgep->cfg_handle, regno); 4460 break; 4461 } 4462 4463 ppd->pp_acc_data = regval; 4464 } 4465 4466 static void bge_chip_poke_cfg(bge_t *bgep, bge_peekpoke_t *ppd); 4467 #pragma no_inline(bge_chip_poke_cfg) 4468 4469 static void 4470 bge_chip_poke_cfg(bge_t *bgep, bge_peekpoke_t *ppd) 4471 { 4472 uint64_t regval; 4473 uint64_t regno; 4474 4475 BGE_TRACE(("bge_chip_poke_cfg($%p, $%p)", 4476 (void *)bgep, (void *)ppd)); 4477 4478 regno = ppd->pp_acc_offset; 4479 regval = ppd->pp_acc_data; 4480 4481 switch (ppd->pp_acc_size) { 4482 case 1: 4483 pci_config_put8(bgep->cfg_handle, regno, regval); 4484 break; 4485 4486 case 2: 4487 pci_config_put16(bgep->cfg_handle, regno, regval); 4488 break; 4489 4490 case 4: 4491 pci_config_put32(bgep->cfg_handle, regno, regval); 4492 break; 4493 4494 case 8: 4495 pci_config_put64(bgep->cfg_handle, regno, regval); 4496 break; 4497 } 4498 } 4499 4500 static void bge_chip_peek_reg(bge_t *bgep, bge_peekpoke_t *ppd); 4501 #pragma no_inline(bge_chip_peek_reg) 4502 4503 static void 4504 bge_chip_peek_reg(bge_t *bgep, bge_peekpoke_t *ppd) 4505 { 4506 uint64_t regval; 4507 void *regaddr; 4508 4509 BGE_TRACE(("bge_chip_peek_reg($%p, $%p)", 4510 (void *)bgep, (void *)ppd)); 4511 4512 regaddr = PIO_ADDR(bgep, ppd->pp_acc_offset); 4513 4514 switch (ppd->pp_acc_size) { 4515 case 1: 4516 regval = ddi_get8(bgep->io_handle, regaddr); 4517 break; 4518 4519 case 2: 4520 regval = ddi_get16(bgep->io_handle, regaddr); 4521 break; 4522 4523 case 4: 4524 regval = ddi_get32(bgep->io_handle, regaddr); 4525 break; 4526 4527 case 8: 4528 regval = ddi_get64(bgep->io_handle, regaddr); 4529 break; 4530 } 4531 4532 ppd->pp_acc_data = regval; 4533 } 4534 4535 static void bge_chip_poke_reg(bge_t *bgep, bge_peekpoke_t *ppd); 4536 #pragma no_inline(bge_chip_peek_reg) 4537 4538 static void 4539 bge_chip_poke_reg(bge_t *bgep, bge_peekpoke_t *ppd) 4540 { 4541 uint64_t regval; 4542 void *regaddr; 4543 4544 BGE_TRACE(("bge_chip_poke_reg($%p, $%p)", 4545 (void *)bgep, (void *)ppd)); 4546 4547 regaddr = PIO_ADDR(bgep, ppd->pp_acc_offset); 4548 regval = ppd->pp_acc_data; 4549 4550 switch (ppd->pp_acc_size) { 4551 case 1: 4552 ddi_put8(bgep->io_handle, regaddr, regval); 4553 break; 4554 4555 case 2: 4556 ddi_put16(bgep->io_handle, regaddr, regval); 4557 break; 4558 4559 case 4: 4560 ddi_put32(bgep->io_handle, regaddr, regval); 4561 break; 4562 4563 case 8: 4564 ddi_put64(bgep->io_handle, regaddr, regval); 4565 break; 4566 } 4567 BGE_PCICHK(bgep); 4568 } 4569 4570 static void bge_chip_peek_nic(bge_t *bgep, bge_peekpoke_t *ppd); 4571 #pragma no_inline(bge_chip_peek_nic) 4572 4573 static void 4574 bge_chip_peek_nic(bge_t *bgep, bge_peekpoke_t *ppd) 4575 { 4576 uint64_t regoff; 4577 uint64_t regval; 4578 void *regaddr; 4579 4580 BGE_TRACE(("bge_chip_peek_nic($%p, $%p)", 4581 (void *)bgep, (void *)ppd)); 4582 4583 regoff = ppd->pp_acc_offset; 4584 bge_nic_setwin(bgep, regoff & ~MWBAR_GRANULE_MASK); 4585 regoff &= MWBAR_GRANULE_MASK; 4586 regoff += NIC_MEM_WINDOW_OFFSET; 4587 regaddr = PIO_ADDR(bgep, regoff); 4588 4589 switch (ppd->pp_acc_size) { 4590 case 1: 4591 regval = ddi_get8(bgep->io_handle, regaddr); 4592 break; 4593 4594 case 2: 4595 regval = ddi_get16(bgep->io_handle, regaddr); 4596 break; 4597 4598 case 4: 4599 regval = ddi_get32(bgep->io_handle, regaddr); 4600 break; 4601 4602 case 8: 4603 regval = ddi_get64(bgep->io_handle, regaddr); 4604 break; 4605 } 4606 4607 ppd->pp_acc_data = regval; 4608 } 4609 4610 static void bge_chip_poke_nic(bge_t *bgep, bge_peekpoke_t *ppd); 4611 #pragma no_inline(bge_chip_poke_nic) 4612 4613 static void 4614 bge_chip_poke_nic(bge_t *bgep, bge_peekpoke_t *ppd) 4615 { 4616 uint64_t regoff; 4617 uint64_t regval; 4618 void *regaddr; 4619 4620 BGE_TRACE(("bge_chip_poke_nic($%p, $%p)", 4621 (void *)bgep, (void *)ppd)); 4622 4623 regoff = ppd->pp_acc_offset; 4624 bge_nic_setwin(bgep, regoff & ~MWBAR_GRANULE_MASK); 4625 regoff &= MWBAR_GRANULE_MASK; 4626 regoff += NIC_MEM_WINDOW_OFFSET; 4627 regaddr = PIO_ADDR(bgep, regoff); 4628 regval = ppd->pp_acc_data; 4629 4630 switch (ppd->pp_acc_size) { 4631 case 1: 4632 ddi_put8(bgep->io_handle, regaddr, regval); 4633 break; 4634 4635 case 2: 4636 ddi_put16(bgep->io_handle, regaddr, regval); 4637 break; 4638 4639 case 4: 4640 ddi_put32(bgep->io_handle, regaddr, regval); 4641 break; 4642 4643 case 8: 4644 ddi_put64(bgep->io_handle, regaddr, regval); 4645 break; 4646 } 4647 BGE_PCICHK(bgep); 4648 } 4649 4650 static void bge_chip_peek_mii(bge_t *bgep, bge_peekpoke_t *ppd); 4651 #pragma no_inline(bge_chip_peek_mii) 4652 4653 static void 4654 bge_chip_peek_mii(bge_t *bgep, bge_peekpoke_t *ppd) 4655 { 4656 BGE_TRACE(("bge_chip_peek_mii($%p, $%p)", 4657 (void *)bgep, (void *)ppd)); 4658 4659 ppd->pp_acc_data = bge_mii_get16(bgep, ppd->pp_acc_offset/2); 4660 } 4661 4662 static void bge_chip_poke_mii(bge_t *bgep, bge_peekpoke_t *ppd); 4663 #pragma no_inline(bge_chip_poke_mii) 4664 4665 static void 4666 bge_chip_poke_mii(bge_t *bgep, bge_peekpoke_t *ppd) 4667 { 4668 BGE_TRACE(("bge_chip_poke_mii($%p, $%p)", 4669 (void *)bgep, (void *)ppd)); 4670 4671 bge_mii_put16(bgep, ppd->pp_acc_offset/2, ppd->pp_acc_data); 4672 } 4673 4674 #if BGE_SEE_IO32 4675 4676 static void bge_chip_peek_seeprom(bge_t *bgep, bge_peekpoke_t *ppd); 4677 #pragma no_inline(bge_chip_peek_seeprom) 4678 4679 static void 4680 bge_chip_peek_seeprom(bge_t *bgep, bge_peekpoke_t *ppd) 4681 { 4682 uint32_t data; 4683 int err; 4684 4685 BGE_TRACE(("bge_chip_peek_seeprom($%p, $%p)", 4686 (void *)bgep, (void *)ppd)); 4687 4688 err = bge_nvmem_rw32(bgep, BGE_SEE_READ, ppd->pp_acc_offset, &data); 4689 ppd->pp_acc_data = err ? ~0ull : data; 4690 } 4691 4692 static void bge_chip_poke_seeprom(bge_t *bgep, bge_peekpoke_t *ppd); 4693 #pragma no_inline(bge_chip_poke_seeprom) 4694 4695 static void 4696 bge_chip_poke_seeprom(bge_t *bgep, bge_peekpoke_t *ppd) 4697 { 4698 uint32_t data; 4699 4700 BGE_TRACE(("bge_chip_poke_seeprom($%p, $%p)", 4701 (void *)bgep, (void *)ppd)); 4702 4703 data = ppd->pp_acc_data; 4704 (void) bge_nvmem_rw32(bgep, BGE_SEE_WRITE, ppd->pp_acc_offset, &data); 4705 } 4706 #endif /* BGE_SEE_IO32 */ 4707 4708 #if BGE_FLASH_IO32 4709 4710 static void bge_chip_peek_flash(bge_t *bgep, bge_peekpoke_t *ppd); 4711 #pragma no_inline(bge_chip_peek_flash) 4712 4713 static void 4714 bge_chip_peek_flash(bge_t *bgep, bge_peekpoke_t *ppd) 4715 { 4716 uint32_t data; 4717 int err; 4718 4719 BGE_TRACE(("bge_chip_peek_flash($%p, $%p)", 4720 (void *)bgep, (void *)ppd)); 4721 4722 err = bge_nvmem_rw32(bgep, BGE_FLASH_READ, ppd->pp_acc_offset, &data); 4723 ppd->pp_acc_data = err ? ~0ull : data; 4724 } 4725 4726 static void bge_chip_poke_flash(bge_t *bgep, bge_peekpoke_t *ppd); 4727 #pragma no_inline(bge_chip_poke_flash) 4728 4729 static void 4730 bge_chip_poke_flash(bge_t *bgep, bge_peekpoke_t *ppd) 4731 { 4732 uint32_t data; 4733 4734 BGE_TRACE(("bge_chip_poke_flash($%p, $%p)", 4735 (void *)bgep, (void *)ppd)); 4736 4737 data = ppd->pp_acc_data; 4738 (void) bge_nvmem_rw32(bgep, BGE_FLASH_WRITE, 4739 ppd->pp_acc_offset, &data); 4740 } 4741 #endif /* BGE_FLASH_IO32 */ 4742 4743 static void bge_chip_peek_mem(bge_t *bgep, bge_peekpoke_t *ppd); 4744 #pragma no_inline(bge_chip_peek_mem) 4745 4746 static void 4747 bge_chip_peek_mem(bge_t *bgep, bge_peekpoke_t *ppd) 4748 { 4749 uint64_t regval; 4750 void *vaddr; 4751 4752 BGE_TRACE(("bge_chip_peek_bge($%p, $%p)", 4753 (void *)bgep, (void *)ppd)); 4754 4755 vaddr = (void *)(uintptr_t)ppd->pp_acc_offset; 4756 4757 switch (ppd->pp_acc_size) { 4758 case 1: 4759 regval = *(uint8_t *)vaddr; 4760 break; 4761 4762 case 2: 4763 regval = *(uint16_t *)vaddr; 4764 break; 4765 4766 case 4: 4767 regval = *(uint32_t *)vaddr; 4768 break; 4769 4770 case 8: 4771 regval = *(uint64_t *)vaddr; 4772 break; 4773 } 4774 4775 BGE_DEBUG(("bge_chip_peek_mem($%p, $%p) peeked 0x%llx from $%p", 4776 (void *)bgep, (void *)ppd, regval, vaddr)); 4777 4778 ppd->pp_acc_data = regval; 4779 } 4780 4781 static void bge_chip_poke_mem(bge_t *bgep, bge_peekpoke_t *ppd); 4782 #pragma no_inline(bge_chip_poke_mem) 4783 4784 static void 4785 bge_chip_poke_mem(bge_t *bgep, bge_peekpoke_t *ppd) 4786 { 4787 uint64_t regval; 4788 void *vaddr; 4789 4790 BGE_TRACE(("bge_chip_poke_mem($%p, $%p)", 4791 (void *)bgep, (void *)ppd)); 4792 4793 vaddr = (void *)(uintptr_t)ppd->pp_acc_offset; 4794 regval = ppd->pp_acc_data; 4795 4796 BGE_DEBUG(("bge_chip_poke_mem($%p, $%p) poking 0x%llx at $%p", 4797 (void *)bgep, (void *)ppd, regval, vaddr)); 4798 4799 switch (ppd->pp_acc_size) { 4800 case 1: 4801 *(uint8_t *)vaddr = (uint8_t)regval; 4802 break; 4803 4804 case 2: 4805 *(uint16_t *)vaddr = (uint16_t)regval; 4806 break; 4807 4808 case 4: 4809 *(uint32_t *)vaddr = (uint32_t)regval; 4810 break; 4811 4812 case 8: 4813 *(uint64_t *)vaddr = (uint64_t)regval; 4814 break; 4815 } 4816 } 4817 4818 static enum ioc_reply bge_pp_ioctl(bge_t *bgep, int cmd, mblk_t *mp, 4819 struct iocblk *iocp); 4820 #pragma no_inline(bge_pp_ioctl) 4821 4822 static enum ioc_reply 4823 bge_pp_ioctl(bge_t *bgep, int cmd, mblk_t *mp, struct iocblk *iocp) 4824 { 4825 void (*ppfn)(bge_t *bgep, bge_peekpoke_t *ppd); 4826 bge_peekpoke_t *ppd; 4827 dma_area_t *areap; 4828 uint64_t sizemask; 4829 uint64_t mem_va; 4830 uint64_t maxoff; 4831 boolean_t peek; 4832 4833 switch (cmd) { 4834 default: 4835 /* NOTREACHED */ 4836 bge_error(bgep, "bge_pp_ioctl: invalid cmd 0x%x", cmd); 4837 return (IOC_INVAL); 4838 4839 case BGE_PEEK: 4840 peek = B_TRUE; 4841 break; 4842 4843 case BGE_POKE: 4844 peek = B_FALSE; 4845 break; 4846 } 4847 4848 /* 4849 * Validate format of ioctl 4850 */ 4851 if (iocp->ioc_count != sizeof (bge_peekpoke_t)) 4852 return (IOC_INVAL); 4853 if (mp->b_cont == NULL) 4854 return (IOC_INVAL); 4855 ppd = (bge_peekpoke_t *)mp->b_cont->b_rptr; 4856 4857 /* 4858 * Validate request parameters 4859 */ 4860 switch (ppd->pp_acc_space) { 4861 default: 4862 return (IOC_INVAL); 4863 4864 case BGE_PP_SPACE_CFG: 4865 /* 4866 * Config space 4867 */ 4868 sizemask = 8|4|2|1; 4869 mem_va = 0; 4870 maxoff = PCI_CONF_HDR_SIZE; 4871 ppfn = peek ? bge_chip_peek_cfg : bge_chip_poke_cfg; 4872 break; 4873 4874 case BGE_PP_SPACE_REG: 4875 /* 4876 * Memory-mapped I/O space 4877 */ 4878 sizemask = 8|4|2|1; 4879 mem_va = 0; 4880 maxoff = RIAAR_REGISTER_MAX; 4881 ppfn = peek ? bge_chip_peek_reg : bge_chip_poke_reg; 4882 break; 4883 4884 case BGE_PP_SPACE_NIC: 4885 /* 4886 * NIC on-chip memory 4887 */ 4888 sizemask = 8|4|2|1; 4889 mem_va = 0; 4890 maxoff = MWBAR_ONCHIP_MAX; 4891 ppfn = peek ? bge_chip_peek_nic : bge_chip_poke_nic; 4892 break; 4893 4894 case BGE_PP_SPACE_MII: 4895 /* 4896 * PHY's MII registers 4897 * NB: all PHY registers are two bytes, but the 4898 * addresses increment in ones (word addressing). 4899 * So we scale the address here, then undo the 4900 * transformation inside the peek/poke functions. 4901 */ 4902 ppd->pp_acc_offset *= 2; 4903 sizemask = 2; 4904 mem_va = 0; 4905 maxoff = (MII_MAXREG+1)*2; 4906 ppfn = peek ? bge_chip_peek_mii : bge_chip_poke_mii; 4907 break; 4908 4909 #if BGE_SEE_IO32 4910 case BGE_PP_SPACE_SEEPROM: 4911 /* 4912 * Attached SEEPROM(s), if any. 4913 * NB: we use the high-order bits of the 'address' as 4914 * a device select to accommodate multiple SEEPROMS, 4915 * If each one is the maximum size (64kbytes), this 4916 * makes them appear contiguous. Otherwise, there may 4917 * be holes in the mapping. ENxS doesn't have any 4918 * SEEPROMs anyway ... 4919 */ 4920 sizemask = 4; 4921 mem_va = 0; 4922 maxoff = SEEPROM_DEV_AND_ADDR_MASK; 4923 ppfn = peek ? bge_chip_peek_seeprom : bge_chip_poke_seeprom; 4924 break; 4925 #endif /* BGE_SEE_IO32 */ 4926 4927 #if BGE_FLASH_IO32 4928 case BGE_PP_SPACE_FLASH: 4929 /* 4930 * Attached Flash device (if any); a maximum of one device 4931 * is currently supported. But it can be up to 1MB (unlike 4932 * the 64k limit on SEEPROMs) so why would you need more ;-) 4933 */ 4934 sizemask = 4; 4935 mem_va = 0; 4936 maxoff = NVM_FLASH_ADDR_MASK; 4937 ppfn = peek ? bge_chip_peek_flash : bge_chip_poke_flash; 4938 break; 4939 #endif /* BGE_FLASH_IO32 */ 4940 4941 case BGE_PP_SPACE_BGE: 4942 /* 4943 * BGE data structure! 4944 */ 4945 sizemask = 8|4|2|1; 4946 mem_va = (uintptr_t)bgep; 4947 maxoff = sizeof (*bgep); 4948 ppfn = peek ? bge_chip_peek_mem : bge_chip_poke_mem; 4949 break; 4950 4951 case BGE_PP_SPACE_STATUS: 4952 case BGE_PP_SPACE_STATISTICS: 4953 case BGE_PP_SPACE_TXDESC: 4954 case BGE_PP_SPACE_TXBUFF: 4955 case BGE_PP_SPACE_RXDESC: 4956 case BGE_PP_SPACE_RXBUFF: 4957 /* 4958 * Various DMA_AREAs 4959 */ 4960 switch (ppd->pp_acc_space) { 4961 case BGE_PP_SPACE_TXDESC: 4962 areap = &bgep->tx_desc; 4963 break; 4964 case BGE_PP_SPACE_TXBUFF: 4965 areap = &bgep->tx_buff[0]; 4966 break; 4967 case BGE_PP_SPACE_RXDESC: 4968 areap = &bgep->rx_desc[0]; 4969 break; 4970 case BGE_PP_SPACE_RXBUFF: 4971 areap = &bgep->rx_buff[0]; 4972 break; 4973 case BGE_PP_SPACE_STATUS: 4974 areap = &bgep->status_block; 4975 break; 4976 case BGE_PP_SPACE_STATISTICS: 4977 if (bgep->chipid.statistic_type == BGE_STAT_BLK) 4978 areap = &bgep->statistics; 4979 break; 4980 } 4981 4982 sizemask = 8|4|2|1; 4983 mem_va = (uintptr_t)areap->mem_va; 4984 maxoff = areap->alength; 4985 ppfn = peek ? bge_chip_peek_mem : bge_chip_poke_mem; 4986 break; 4987 } 4988 4989 switch (ppd->pp_acc_size) { 4990 default: 4991 return (IOC_INVAL); 4992 4993 case 8: 4994 case 4: 4995 case 2: 4996 case 1: 4997 if ((ppd->pp_acc_size & sizemask) == 0) 4998 return (IOC_INVAL); 4999 break; 5000 } 5001 5002 if ((ppd->pp_acc_offset % ppd->pp_acc_size) != 0) 5003 return (IOC_INVAL); 5004 5005 if (ppd->pp_acc_offset >= maxoff) 5006 return (IOC_INVAL); 5007 5008 if (ppd->pp_acc_offset+ppd->pp_acc_size > maxoff) 5009 return (IOC_INVAL); 5010 5011 /* 5012 * All OK - go do it! 5013 */ 5014 ppd->pp_acc_offset += mem_va; 5015 (*ppfn)(bgep, ppd); 5016 return (peek ? IOC_REPLY : IOC_ACK); 5017 } 5018 5019 static enum ioc_reply bge_diag_ioctl(bge_t *bgep, int cmd, mblk_t *mp, 5020 struct iocblk *iocp); 5021 #pragma no_inline(bge_diag_ioctl) 5022 5023 static enum ioc_reply 5024 bge_diag_ioctl(bge_t *bgep, int cmd, mblk_t *mp, struct iocblk *iocp) 5025 { 5026 ASSERT(mutex_owned(bgep->genlock)); 5027 5028 switch (cmd) { 5029 default: 5030 /* NOTREACHED */ 5031 bge_error(bgep, "bge_diag_ioctl: invalid cmd 0x%x", cmd); 5032 return (IOC_INVAL); 5033 5034 case BGE_DIAG: 5035 /* 5036 * Currently a no-op 5037 */ 5038 return (IOC_ACK); 5039 5040 case BGE_PEEK: 5041 case BGE_POKE: 5042 return (bge_pp_ioctl(bgep, cmd, mp, iocp)); 5043 5044 case BGE_PHY_RESET: 5045 return (IOC_RESTART_ACK); 5046 5047 case BGE_SOFT_RESET: 5048 case BGE_HARD_RESET: 5049 /* 5050 * Reset and reinitialise the 570x hardware 5051 */ 5052 (void) bge_restart(bgep, cmd == BGE_HARD_RESET); 5053 return (IOC_ACK); 5054 } 5055 5056 /* NOTREACHED */ 5057 } 5058 5059 #endif /* BGE_DEBUGGING || BGE_DO_PPIO */ 5060 5061 static enum ioc_reply bge_mii_ioctl(bge_t *bgep, int cmd, mblk_t *mp, 5062 struct iocblk *iocp); 5063 #pragma no_inline(bge_mii_ioctl) 5064 5065 static enum ioc_reply 5066 bge_mii_ioctl(bge_t *bgep, int cmd, mblk_t *mp, struct iocblk *iocp) 5067 { 5068 struct bge_mii_rw *miirwp; 5069 5070 /* 5071 * Validate format of ioctl 5072 */ 5073 if (iocp->ioc_count != sizeof (struct bge_mii_rw)) 5074 return (IOC_INVAL); 5075 if (mp->b_cont == NULL) 5076 return (IOC_INVAL); 5077 miirwp = (struct bge_mii_rw *)mp->b_cont->b_rptr; 5078 5079 /* 5080 * Validate request parameters ... 5081 */ 5082 if (miirwp->mii_reg > MII_MAXREG) 5083 return (IOC_INVAL); 5084 5085 switch (cmd) { 5086 default: 5087 /* NOTREACHED */ 5088 bge_error(bgep, "bge_mii_ioctl: invalid cmd 0x%x", cmd); 5089 return (IOC_INVAL); 5090 5091 case BGE_MII_READ: 5092 miirwp->mii_data = bge_mii_get16(bgep, miirwp->mii_reg); 5093 return (IOC_REPLY); 5094 5095 case BGE_MII_WRITE: 5096 bge_mii_put16(bgep, miirwp->mii_reg, miirwp->mii_data); 5097 return (IOC_ACK); 5098 } 5099 5100 /* NOTREACHED */ 5101 } 5102 5103 #if BGE_SEE_IO32 5104 5105 static enum ioc_reply bge_see_ioctl(bge_t *bgep, int cmd, mblk_t *mp, 5106 struct iocblk *iocp); 5107 #pragma no_inline(bge_see_ioctl) 5108 5109 static enum ioc_reply 5110 bge_see_ioctl(bge_t *bgep, int cmd, mblk_t *mp, struct iocblk *iocp) 5111 { 5112 struct bge_see_rw *seerwp; 5113 5114 /* 5115 * Validate format of ioctl 5116 */ 5117 if (iocp->ioc_count != sizeof (struct bge_see_rw)) 5118 return (IOC_INVAL); 5119 if (mp->b_cont == NULL) 5120 return (IOC_INVAL); 5121 seerwp = (struct bge_see_rw *)mp->b_cont->b_rptr; 5122 5123 /* 5124 * Validate request parameters ... 5125 */ 5126 if (seerwp->see_addr & ~SEEPROM_DEV_AND_ADDR_MASK) 5127 return (IOC_INVAL); 5128 5129 switch (cmd) { 5130 default: 5131 /* NOTREACHED */ 5132 bge_error(bgep, "bge_see_ioctl: invalid cmd 0x%x", cmd); 5133 return (IOC_INVAL); 5134 5135 case BGE_SEE_READ: 5136 case BGE_SEE_WRITE: 5137 iocp->ioc_error = bge_nvmem_rw32(bgep, cmd, 5138 seerwp->see_addr, &seerwp->see_data); 5139 return (IOC_REPLY); 5140 } 5141 5142 /* NOTREACHED */ 5143 } 5144 5145 #endif /* BGE_SEE_IO32 */ 5146 5147 #if BGE_FLASH_IO32 5148 5149 static enum ioc_reply bge_flash_ioctl(bge_t *bgep, int cmd, mblk_t *mp, 5150 struct iocblk *iocp); 5151 #pragma no_inline(bge_flash_ioctl) 5152 5153 static enum ioc_reply 5154 bge_flash_ioctl(bge_t *bgep, int cmd, mblk_t *mp, struct iocblk *iocp) 5155 { 5156 struct bge_flash_rw *flashrwp; 5157 5158 /* 5159 * Validate format of ioctl 5160 */ 5161 if (iocp->ioc_count != sizeof (struct bge_flash_rw)) 5162 return (IOC_INVAL); 5163 if (mp->b_cont == NULL) 5164 return (IOC_INVAL); 5165 flashrwp = (struct bge_flash_rw *)mp->b_cont->b_rptr; 5166 5167 /* 5168 * Validate request parameters ... 5169 */ 5170 if (flashrwp->flash_addr & ~NVM_FLASH_ADDR_MASK) 5171 return (IOC_INVAL); 5172 5173 switch (cmd) { 5174 default: 5175 /* NOTREACHED */ 5176 bge_error(bgep, "bge_flash_ioctl: invalid cmd 0x%x", cmd); 5177 return (IOC_INVAL); 5178 5179 case BGE_FLASH_READ: 5180 case BGE_FLASH_WRITE: 5181 iocp->ioc_error = bge_nvmem_rw32(bgep, cmd, 5182 flashrwp->flash_addr, &flashrwp->flash_data); 5183 return (IOC_REPLY); 5184 } 5185 5186 /* NOTREACHED */ 5187 } 5188 5189 #endif /* BGE_FLASH_IO32 */ 5190 5191 enum ioc_reply bge_chip_ioctl(bge_t *bgep, queue_t *wq, mblk_t *mp, 5192 struct iocblk *iocp); 5193 #pragma no_inline(bge_chip_ioctl) 5194 5195 enum ioc_reply 5196 bge_chip_ioctl(bge_t *bgep, queue_t *wq, mblk_t *mp, struct iocblk *iocp) 5197 { 5198 int cmd; 5199 5200 BGE_TRACE(("bge_chip_ioctl($%p, $%p, $%p, $%p)", 5201 (void *)bgep, (void *)wq, (void *)mp, (void *)iocp)); 5202 5203 ASSERT(mutex_owned(bgep->genlock)); 5204 5205 cmd = iocp->ioc_cmd; 5206 switch (cmd) { 5207 default: 5208 /* NOTREACHED */ 5209 bge_error(bgep, "bge_chip_ioctl: invalid cmd 0x%x", cmd); 5210 return (IOC_INVAL); 5211 5212 case BGE_DIAG: 5213 case BGE_PEEK: 5214 case BGE_POKE: 5215 case BGE_PHY_RESET: 5216 case BGE_SOFT_RESET: 5217 case BGE_HARD_RESET: 5218 #if BGE_DEBUGGING || BGE_DO_PPIO 5219 return (bge_diag_ioctl(bgep, cmd, mp, iocp)); 5220 #else 5221 return (IOC_INVAL); 5222 #endif /* BGE_DEBUGGING || BGE_DO_PPIO */ 5223 5224 case BGE_MII_READ: 5225 case BGE_MII_WRITE: 5226 return (bge_mii_ioctl(bgep, cmd, mp, iocp)); 5227 5228 #if BGE_SEE_IO32 5229 case BGE_SEE_READ: 5230 case BGE_SEE_WRITE: 5231 return (bge_see_ioctl(bgep, cmd, mp, iocp)); 5232 #endif /* BGE_SEE_IO32 */ 5233 5234 #if BGE_FLASH_IO32 5235 case BGE_FLASH_READ: 5236 case BGE_FLASH_WRITE: 5237 return (bge_flash_ioctl(bgep, cmd, mp, iocp)); 5238 #endif /* BGE_FLASH_IO32 */ 5239 } 5240 5241 /* NOTREACHED */ 5242 } 5243 5244 void 5245 bge_chip_blank(void *arg, time_t ticks, uint_t count) 5246 { 5247 bge_t *bgep = arg; 5248 5249 mutex_enter(bgep->genlock); 5250 bge_reg_put32(bgep, RCV_COALESCE_TICKS_REG, ticks); 5251 bge_reg_put32(bgep, RCV_COALESCE_MAX_BD_REG, count); 5252 if (bge_check_acc_handle(bgep, bgep->io_handle) != DDI_FM_OK) 5253 ddi_fm_service_impact(bgep->devinfo, DDI_SERVICE_UNAFFECTED); 5254 mutex_exit(bgep->genlock); 5255 } 5256 5257 #ifdef BGE_IPMI_ASF 5258 5259 uint32_t 5260 bge_nic_read32(bge_t *bgep, bge_regno_t addr) 5261 { 5262 uint32_t data; 5263 5264 if (!bgep->asf_wordswapped) { 5265 /* a workaround word swap error */ 5266 if (addr & 4) 5267 addr = addr - 4; 5268 else 5269 addr = addr + 4; 5270 } 5271 5272 pci_config_put32(bgep->cfg_handle, PCI_CONF_BGE_MWBAR, addr); 5273 data = pci_config_get32(bgep->cfg_handle, PCI_CONF_BGE_MWDAR); 5274 pci_config_put32(bgep->cfg_handle, PCI_CONF_BGE_MWBAR, 0); 5275 5276 return (data); 5277 } 5278 5279 5280 void 5281 bge_asf_update_status(bge_t *bgep) 5282 { 5283 uint32_t event; 5284 5285 bge_nic_put32(bgep, BGE_CMD_MAILBOX, BGE_CMD_NICDRV_ALIVE); 5286 bge_nic_put32(bgep, BGE_CMD_LENGTH_MAILBOX, 4); 5287 bge_nic_put32(bgep, BGE_CMD_DATA_MAILBOX, 3); 5288 5289 event = bge_reg_get32(bgep, RX_RISC_EVENT_REG); 5290 bge_reg_put32(bgep, RX_RISC_EVENT_REG, event | RRER_ASF_EVENT); 5291 } 5292 5293 5294 /* 5295 * The driver is supposed to notify ASF that the OS is still running 5296 * every three seconds, otherwise the management server may attempt 5297 * to reboot the machine. If it hasn't actually failed, this is 5298 * not a desirable result. However, this isn't running as a real-time 5299 * thread, and even if it were, it might not be able to generate the 5300 * heartbeat in a timely manner due to system load. As it isn't a 5301 * significant strain on the machine, we will set the interval to half 5302 * of the required value. 5303 */ 5304 void 5305 bge_asf_heartbeat(void *arg) 5306 { 5307 bge_t *bgep = (bge_t *)arg; 5308 5309 mutex_enter(bgep->genlock); 5310 bge_asf_update_status((bge_t *)bgep); 5311 if (bge_check_acc_handle(bgep, bgep->io_handle) != DDI_FM_OK) 5312 ddi_fm_service_impact(bgep->devinfo, DDI_SERVICE_DEGRADED); 5313 if (bge_check_acc_handle(bgep, bgep->cfg_handle) != DDI_FM_OK) 5314 ddi_fm_service_impact(bgep->devinfo, DDI_SERVICE_DEGRADED); 5315 mutex_exit(bgep->genlock); 5316 ((bge_t *)bgep)->asf_timeout_id = timeout(bge_asf_heartbeat, bgep, 5317 drv_usectohz(BGE_ASF_HEARTBEAT_INTERVAL)); 5318 } 5319 5320 5321 void 5322 bge_asf_stop_timer(bge_t *bgep) 5323 { 5324 timeout_id_t tmp_id = 0; 5325 5326 while ((bgep->asf_timeout_id != 0) && 5327 (tmp_id != bgep->asf_timeout_id)) { 5328 tmp_id = bgep->asf_timeout_id; 5329 (void) untimeout(tmp_id); 5330 } 5331 bgep->asf_timeout_id = 0; 5332 } 5333 5334 5335 5336 /* 5337 * This function should be placed at the earliest position of bge_attach(). 5338 */ 5339 void 5340 bge_asf_get_config(bge_t *bgep) 5341 { 5342 uint32_t nicsig; 5343 uint32_t niccfg; 5344 5345 nicsig = bge_nic_read32(bgep, BGE_NIC_DATA_SIG_ADDR); 5346 if (nicsig == BGE_NIC_DATA_SIG) { 5347 niccfg = bge_nic_read32(bgep, BGE_NIC_DATA_NIC_CFG_ADDR); 5348 if (niccfg & BGE_NIC_CFG_ENABLE_ASF) 5349 /* 5350 * Here, we don't consider BAXTER, because BGE haven't 5351 * supported BAXTER (that is 5752). Also, as I know, 5352 * BAXTER doesn't support ASF feature. 5353 */ 5354 bgep->asf_enabled = B_TRUE; 5355 else 5356 bgep->asf_enabled = B_FALSE; 5357 } else 5358 bgep->asf_enabled = B_FALSE; 5359 } 5360 5361 5362 void 5363 bge_asf_pre_reset_operations(bge_t *bgep, uint32_t mode) 5364 { 5365 uint32_t tries; 5366 uint32_t event; 5367 5368 ASSERT(bgep->asf_enabled); 5369 5370 /* Issues "pause firmware" command and wait for ACK */ 5371 bge_nic_put32(bgep, BGE_CMD_MAILBOX, BGE_CMD_NICDRV_PAUSE_FW); 5372 event = bge_reg_get32(bgep, RX_RISC_EVENT_REG); 5373 bge_reg_put32(bgep, RX_RISC_EVENT_REG, event | RRER_ASF_EVENT); 5374 5375 event = bge_reg_get32(bgep, RX_RISC_EVENT_REG); 5376 tries = 0; 5377 while ((event & RRER_ASF_EVENT) && (tries < 100)) { 5378 drv_usecwait(1); 5379 tries ++; 5380 event = bge_reg_get32(bgep, RX_RISC_EVENT_REG); 5381 } 5382 5383 bge_nic_put32(bgep, BGE_FIRMWARE_MAILBOX, 5384 BGE_MAGIC_NUM_FIRMWARE_INIT_DONE); 5385 5386 if (bgep->asf_newhandshake) { 5387 switch (mode) { 5388 case BGE_INIT_RESET: 5389 bge_nic_put32(bgep, BGE_DRV_STATE_MAILBOX, 5390 BGE_DRV_STATE_START); 5391 break; 5392 case BGE_SHUTDOWN_RESET: 5393 bge_nic_put32(bgep, BGE_DRV_STATE_MAILBOX, 5394 BGE_DRV_STATE_UNLOAD); 5395 break; 5396 case BGE_SUSPEND_RESET: 5397 bge_nic_put32(bgep, BGE_DRV_STATE_MAILBOX, 5398 BGE_DRV_STATE_SUSPEND); 5399 break; 5400 default: 5401 break; 5402 } 5403 } 5404 } 5405 5406 5407 void 5408 bge_asf_post_reset_old_mode(bge_t *bgep, uint32_t mode) 5409 { 5410 switch (mode) { 5411 case BGE_INIT_RESET: 5412 bge_nic_put32(bgep, BGE_DRV_STATE_MAILBOX, 5413 BGE_DRV_STATE_START); 5414 break; 5415 case BGE_SHUTDOWN_RESET: 5416 bge_nic_put32(bgep, BGE_DRV_STATE_MAILBOX, 5417 BGE_DRV_STATE_UNLOAD); 5418 break; 5419 case BGE_SUSPEND_RESET: 5420 bge_nic_put32(bgep, BGE_DRV_STATE_MAILBOX, 5421 BGE_DRV_STATE_SUSPEND); 5422 break; 5423 default: 5424 break; 5425 } 5426 } 5427 5428 5429 void 5430 bge_asf_post_reset_new_mode(bge_t *bgep, uint32_t mode) 5431 { 5432 switch (mode) { 5433 case BGE_INIT_RESET: 5434 bge_nic_put32(bgep, BGE_DRV_STATE_MAILBOX, 5435 BGE_DRV_STATE_START_DONE); 5436 break; 5437 case BGE_SHUTDOWN_RESET: 5438 bge_nic_put32(bgep, BGE_DRV_STATE_MAILBOX, 5439 BGE_DRV_STATE_UNLOAD_DONE); 5440 break; 5441 default: 5442 break; 5443 } 5444 } 5445 5446 #endif /* BGE_IPMI_ASF */ 5447