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 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include "bge_impl.h" 28 29 #define PIO_ADDR(bgep, offset) ((void *)((caddr_t)(bgep)->io_regs+(offset))) 30 31 /* 32 * Future features ... ? 33 */ 34 #define BGE_CFG_IO8 1 /* 8/16-bit cfg space BIS/BIC */ 35 #define BGE_IND_IO32 1 /* indirect access code */ 36 #define BGE_SEE_IO32 1 /* SEEPROM access code */ 37 #define BGE_FLASH_IO32 1 /* FLASH access code */ 38 39 /* 40 * BGE MSI tunable: 41 * 42 * By default MSI is enabled on all supported platforms but it is disabled 43 * for some Broadcom chips due to known MSI hardware issues. Currently MSI 44 * is enabled only for 5714C A2 and 5715C A2 broadcom chips. 45 */ 46 boolean_t bge_enable_msi = B_TRUE; 47 48 /* 49 * PCI-X/PCI-E relaxed ordering tunable for OS/Nexus driver 50 */ 51 boolean_t bge_relaxed_ordering = B_TRUE; 52 53 /* 54 * Property names 55 */ 56 static char knownids_propname[] = "bge-known-subsystems"; 57 58 /* 59 * Patchable globals: 60 * 61 * bge_autorecover 62 * Enables/disables automatic recovery after fault detection 63 * 64 * bge_mlcr_default 65 * Value to program into the MLCR; controls the chip's GPIO pins 66 * 67 * bge_dma_{rd,wr}prio 68 * Relative priorities of DMA reads & DMA writes respectively. 69 * These may each be patched to any value 0-3. Equal values 70 * will give "fair" (round-robin) arbitration for PCI access. 71 * Unequal values will give one or the other function priority. 72 * 73 * bge_dma_rwctrl 74 * Value to put in the Read/Write DMA control register. See 75 * the Broadcom PRM for things you can fiddle with in this 76 * register ... 77 * 78 * bge_{tx,rx}_{count,ticks}_{norm,intr} 79 * Send/receive interrupt coalescing parameters. Counts are 80 * #s of descriptors, ticks are in microseconds. *norm* values 81 * apply between status updates/interrupts; the *intr* values 82 * refer to the 'during-interrupt' versions - see the PRM. 83 * 84 * NOTE: these values have been determined by measurement. They 85 * differ significantly from the values recommended in the PRM. 86 */ 87 static uint32_t bge_autorecover = 1; 88 static uint32_t bge_mlcr_default_5714 = MLCR_DEFAULT_5714; 89 90 static uint32_t bge_dma_rdprio = 1; 91 static uint32_t bge_dma_wrprio = 0; 92 static uint32_t bge_dma_rwctrl = PDRWCR_VAR_DEFAULT; 93 static uint32_t bge_dma_rwctrl_5721 = PDRWCR_VAR_5721; 94 static uint32_t bge_dma_rwctrl_5714 = PDRWCR_VAR_5714; 95 static uint32_t bge_dma_rwctrl_5715 = PDRWCR_VAR_5715; 96 97 uint32_t bge_rx_ticks_norm = 128; 98 uint32_t bge_tx_ticks_norm = 2048; /* 8 for FJ2+ !?!? */ 99 uint32_t bge_rx_count_norm = 8; 100 uint32_t bge_tx_count_norm = 128; 101 102 static uint32_t bge_rx_ticks_intr = 128; 103 static uint32_t bge_tx_ticks_intr = 0; /* 8 for FJ2+ !?!? */ 104 static uint32_t bge_rx_count_intr = 2; 105 static uint32_t bge_tx_count_intr = 0; 106 107 /* 108 * Memory pool configuration parameters. 109 * 110 * These are generally specific to each member of the chip family, since 111 * each one may have a different memory size/configuration. 112 * 113 * Setting the mbuf pool length for a specific type of chip to 0 inhibits 114 * the driver from programming the various registers; instead they are left 115 * at their hardware defaults. This is the preferred option for later chips 116 * (5705+), whereas the older chips *required* these registers to be set, 117 * since the h/w default was 0 ;-( 118 */ 119 static uint32_t bge_mbuf_pool_base = MBUF_POOL_BASE_DEFAULT; 120 static uint32_t bge_mbuf_pool_base_5704 = MBUF_POOL_BASE_5704; 121 static uint32_t bge_mbuf_pool_base_5705 = MBUF_POOL_BASE_5705; 122 static uint32_t bge_mbuf_pool_base_5721 = MBUF_POOL_BASE_5721; 123 static uint32_t bge_mbuf_pool_len = MBUF_POOL_LENGTH_DEFAULT; 124 static uint32_t bge_mbuf_pool_len_5704 = MBUF_POOL_LENGTH_5704; 125 static uint32_t bge_mbuf_pool_len_5705 = 0; /* use h/w default */ 126 static uint32_t bge_mbuf_pool_len_5721 = 0; 127 128 /* 129 * Various high and low water marks, thresholds, etc ... 130 * 131 * Note: these are taken from revision 7 of the PRM, and some are different 132 * from both the values in earlier PRMs *and* those determined experimentally 133 * and used in earlier versions of this driver ... 134 */ 135 static uint32_t bge_mbuf_hi_water = MBUF_HIWAT_DEFAULT; 136 static uint32_t bge_mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_DEFAULT; 137 static uint32_t bge_mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_DEFAULT; 138 139 static uint32_t bge_dmad_lo_water = DMAD_POOL_LOWAT_DEFAULT; 140 static uint32_t bge_dmad_hi_water = DMAD_POOL_HIWAT_DEFAULT; 141 static uint32_t bge_lowat_recv_frames = LOWAT_MAX_RECV_FRAMES_DEFAULT; 142 143 static uint32_t bge_replenish_std = STD_RCV_BD_REPLENISH_DEFAULT; 144 static uint32_t bge_replenish_mini = MINI_RCV_BD_REPLENISH_DEFAULT; 145 static uint32_t bge_replenish_jumbo = JUMBO_RCV_BD_REPLENISH_DEFAULT; 146 147 static uint32_t bge_watchdog_count = 1 << 16; 148 static uint16_t bge_dma_miss_limit = 20; 149 150 static uint32_t bge_stop_start_on_sync = 0; 151 152 /* 153 * bge_intr_max_loop controls the maximum loop number within bge_intr. 154 * When loading NIC with heavy network traffic, it is useful. 155 * Increasing this value could have positive effect to throughput, 156 * but it might also increase ticks of a bge ISR stick on CPU, which might 157 * lead to bad UI interactive experience. So tune this with caution. 158 */ 159 static int bge_intr_max_loop = 1; 160 161 /* 162 * ========== Low-level chip & ring buffer manipulation ========== 163 */ 164 165 #define BGE_DBG BGE_DBG_REGS /* debug flag for this code */ 166 167 168 /* 169 * Config space read-modify-write routines 170 */ 171 172 #if BGE_CFG_IO8 173 174 static void bge_cfg_clr16(bge_t *bgep, bge_regno_t regno, uint16_t bits); 175 #pragma inline(bge_cfg_clr16) 176 177 static void 178 bge_cfg_clr16(bge_t *bgep, bge_regno_t regno, uint16_t bits) 179 { 180 uint16_t regval; 181 182 BGE_TRACE(("bge_cfg_clr16($%p, 0x%lx, 0x%x)", 183 (void *)bgep, regno, bits)); 184 185 regval = pci_config_get16(bgep->cfg_handle, regno); 186 187 BGE_DEBUG(("bge_cfg_clr16($%p, 0x%lx, 0x%x): 0x%x => 0x%x", 188 (void *)bgep, regno, bits, regval, regval & ~bits)); 189 190 regval &= ~bits; 191 pci_config_put16(bgep->cfg_handle, regno, regval); 192 } 193 194 #endif /* BGE_CFG_IO8 */ 195 196 static void bge_cfg_clr32(bge_t *bgep, bge_regno_t regno, uint32_t bits); 197 #pragma inline(bge_cfg_clr32) 198 199 static void 200 bge_cfg_clr32(bge_t *bgep, bge_regno_t regno, uint32_t bits) 201 { 202 uint32_t regval; 203 204 BGE_TRACE(("bge_cfg_clr32($%p, 0x%lx, 0x%x)", 205 (void *)bgep, regno, bits)); 206 207 regval = pci_config_get32(bgep->cfg_handle, regno); 208 209 BGE_DEBUG(("bge_cfg_clr32($%p, 0x%lx, 0x%x): 0x%x => 0x%x", 210 (void *)bgep, regno, bits, regval, regval & ~bits)); 211 212 regval &= ~bits; 213 pci_config_put32(bgep->cfg_handle, regno, regval); 214 } 215 216 #if BGE_IND_IO32 217 218 /* 219 * Indirect access to registers & RISC scratchpads, using config space 220 * accesses only. 221 * 222 * This isn't currently used, but someday we might want to use it for 223 * restoring the Subsystem Device/Vendor registers (which aren't directly 224 * writable in Config Space), or for downloading firmware into the RISCs 225 * 226 * In any case there are endian issues to be resolved before this code is 227 * enabled; the bizarre way that bytes get twisted by this chip AND by 228 * the PCI bridge in SPARC systems mean that we shouldn't enable it until 229 * it's been thoroughly tested for all access sizes on all supported 230 * architectures (SPARC *and* x86!). 231 */ 232 uint32_t bge_ind_get32(bge_t *bgep, bge_regno_t regno); 233 #pragma inline(bge_ind_get32) 234 235 uint32_t 236 bge_ind_get32(bge_t *bgep, bge_regno_t regno) 237 { 238 uint32_t val; 239 240 BGE_TRACE(("bge_ind_get32($%p, 0x%lx)", (void *)bgep, regno)); 241 242 pci_config_put32(bgep->cfg_handle, PCI_CONF_BGE_RIAAR, regno); 243 val = pci_config_get32(bgep->cfg_handle, PCI_CONF_BGE_RIADR); 244 245 BGE_DEBUG(("bge_ind_get32($%p, 0x%lx) => 0x%x", 246 (void *)bgep, regno, val)); 247 248 val = LE_32(val); 249 250 return (val); 251 } 252 253 void bge_ind_put32(bge_t *bgep, bge_regno_t regno, uint32_t val); 254 #pragma inline(bge_ind_put32) 255 256 void 257 bge_ind_put32(bge_t *bgep, bge_regno_t regno, uint32_t val) 258 { 259 BGE_TRACE(("bge_ind_put32($%p, 0x%lx, 0x%x)", 260 (void *)bgep, regno, val)); 261 262 val = LE_32(val); 263 pci_config_put32(bgep->cfg_handle, PCI_CONF_BGE_RIAAR, regno); 264 pci_config_put32(bgep->cfg_handle, PCI_CONF_BGE_RIADR, val); 265 } 266 267 #endif /* BGE_IND_IO32 */ 268 269 #if BGE_DEBUGGING 270 271 static void bge_pci_check(bge_t *bgep); 272 #pragma no_inline(bge_pci_check) 273 274 static void 275 bge_pci_check(bge_t *bgep) 276 { 277 uint16_t pcistatus; 278 279 pcistatus = pci_config_get16(bgep->cfg_handle, PCI_CONF_STAT); 280 if ((pcistatus & (PCI_STAT_R_MAST_AB | PCI_STAT_R_TARG_AB)) != 0) 281 BGE_DEBUG(("bge_pci_check($%p): PCI status 0x%x", 282 (void *)bgep, pcistatus)); 283 } 284 285 #endif /* BGE_DEBUGGING */ 286 287 /* 288 * Perform first-stage chip (re-)initialisation, using only config-space 289 * accesses: 290 * 291 * + Read the vendor/device/revision/subsystem/cache-line-size registers, 292 * returning the data in the structure pointed to by <idp>. 293 * + Configure the target-mode endianness (swap) options. 294 * + Disable interrupts and enable Memory Space accesses. 295 * + Enable or disable Bus Mastering according to the <enable_dma> flag. 296 * 297 * This sequence is adapted from Broadcom document 570X-PG102-R, 298 * page 102, steps 1-3, 6-8 and 11-13. The omitted parts of the sequence 299 * are 4 and 5 (Reset Core and wait) which are handled elsewhere. 300 * 301 * This function MUST be called before any non-config-space accesses 302 * are made; on this first call <enable_dma> is B_FALSE, and it 303 * effectively performs steps 3-1(!) of the initialisation sequence 304 * (the rest are not required but should be harmless). 305 * 306 * It MUST also be called after a chip reset, as this disables 307 * Memory Space cycles! In this case, <enable_dma> is B_TRUE, and 308 * it is effectively performing steps 6-8. 309 */ 310 void bge_chip_cfg_init(bge_t *bgep, chip_id_t *cidp, boolean_t enable_dma); 311 #pragma no_inline(bge_chip_cfg_init) 312 313 void 314 bge_chip_cfg_init(bge_t *bgep, chip_id_t *cidp, boolean_t enable_dma) 315 { 316 ddi_acc_handle_t handle; 317 uint16_t command; 318 uint32_t mhcr; 319 uint16_t value16; 320 int i; 321 322 BGE_TRACE(("bge_chip_cfg_init($%p, $%p, %d)", 323 (void *)bgep, (void *)cidp, enable_dma)); 324 325 /* 326 * Step 3: save PCI cache line size and subsystem vendor ID 327 * 328 * Read all the config-space registers that characterise the 329 * chip, specifically vendor/device/revision/subsystem vendor 330 * and subsystem device id. We expect (but don't check) that 331 * (vendor == VENDOR_ID_BROADCOM) && (device == DEVICE_ID_5704) 332 * 333 * Also save all bus-transaction related registers (cache-line 334 * size, bus-grant/latency parameters, etc). Some of these are 335 * cleared by reset, so we'll have to restore them later. This 336 * comes from the Broadcom document 570X-PG102-R ... 337 * 338 * Note: Broadcom document 570X-PG102-R seems to be in error 339 * here w.r.t. the offsets of the Subsystem Vendor ID and 340 * Subsystem (Device) ID registers, which are the opposite way 341 * round according to the PCI standard. For good measure, we 342 * save/restore both anyway. 343 */ 344 handle = bgep->cfg_handle; 345 346 mhcr = pci_config_get32(handle, PCI_CONF_BGE_MHCR); 347 cidp->asic_rev = mhcr & MHCR_CHIP_REV_MASK; 348 cidp->businfo = pci_config_get32(handle, PCI_CONF_BGE_PCISTATE); 349 cidp->command = pci_config_get16(handle, PCI_CONF_COMM); 350 351 cidp->vendor = pci_config_get16(handle, PCI_CONF_VENID); 352 cidp->device = pci_config_get16(handle, PCI_CONF_DEVID); 353 cidp->subven = pci_config_get16(handle, PCI_CONF_SUBVENID); 354 cidp->subdev = pci_config_get16(handle, PCI_CONF_SUBSYSID); 355 cidp->revision = pci_config_get8(handle, PCI_CONF_REVID); 356 cidp->clsize = pci_config_get8(handle, PCI_CONF_CACHE_LINESZ); 357 cidp->latency = pci_config_get8(handle, PCI_CONF_LATENCY_TIMER); 358 359 BGE_DEBUG(("bge_chip_cfg_init: %s bus is %s and %s; #INTA is %s", 360 cidp->businfo & PCISTATE_BUS_IS_PCI ? "PCI" : "PCI-X", 361 cidp->businfo & PCISTATE_BUS_IS_FAST ? "fast" : "slow", 362 cidp->businfo & PCISTATE_BUS_IS_32_BIT ? "narrow" : "wide", 363 cidp->businfo & PCISTATE_INTA_STATE ? "high" : "low")); 364 BGE_DEBUG(("bge_chip_cfg_init: vendor 0x%x device 0x%x revision 0x%x", 365 cidp->vendor, cidp->device, cidp->revision)); 366 BGE_DEBUG(("bge_chip_cfg_init: subven 0x%x subdev 0x%x asic_rev 0x%x", 367 cidp->subven, cidp->subdev, cidp->asic_rev)); 368 BGE_DEBUG(("bge_chip_cfg_init: clsize %d latency %d command 0x%x", 369 cidp->clsize, cidp->latency, cidp->command)); 370 371 /* 372 * Step 2 (also step 6): disable and clear interrupts. 373 * Steps 11-13: configure PIO endianness options, and enable 374 * indirect register access. We'll also select any other 375 * options controlled by the MHCR (e.g. tagged status, mask 376 * interrupt mode) at this stage ... 377 * 378 * Note: internally, the chip is 64-bit and BIG-endian, but 379 * since it talks to the host over a (LITTLE-endian) PCI bus, 380 * it normally swaps bytes around at the PCI interface. 381 * However, the PCI host bridge on SPARC systems normally 382 * swaps the byte lanes around too, since SPARCs are also 383 * BIG-endian. So it turns out that on SPARC, the right 384 * option is to tell the chip to swap (and the host bridge 385 * will swap back again), whereas on x86 we ask the chip 386 * NOT to swap, so the natural little-endianness of the 387 * PCI bus is assumed. Then the only thing that doesn't 388 * automatically work right is access to an 8-byte register 389 * by a little-endian host; but we don't want to set the 390 * MHCR_ENABLE_REGISTER_WORD_SWAP bit because then 4-byte 391 * accesses don't go where expected ;-( So we live with 392 * that, and perform word-swaps in software in the few cases 393 * where a chip register is defined as an 8-byte value -- 394 * see the code below for details ... 395 * 396 * Note: the meaning of the 'MASK_INTERRUPT_MODE' bit isn't 397 * very clear in the register description in the PRM, but 398 * Broadcom document 570X-PG104-R page 248 explains a little 399 * more (under "Broadcom Mask Mode"). The bit changes the way 400 * the MASK_PCI_INT_OUTPUT bit works: with MASK_INTERRUPT_MODE 401 * clear, the chip interprets MASK_PCI_INT_OUTPUT in the same 402 * way as the 5700 did, which isn't very convenient. Setting 403 * the MASK_INTERRUPT_MODE bit makes the MASK_PCI_INT_OUTPUT 404 * bit do just what its name says -- MASK the PCI #INTA output 405 * (i.e. deassert the signal at the pin) leaving all internal 406 * state unchanged. This is much more convenient for our 407 * interrupt handler, so we set MASK_INTERRUPT_MODE here. 408 * 409 * Note: the inconvenient semantics of the interrupt mailbox 410 * (nonzero disables and acknowledges/clears the interrupt, 411 * zero enables AND CLEARS it) would make race conditions 412 * likely in the interrupt handler: 413 * 414 * (1) acknowledge & disable interrupts 415 * (2) while (more to do) 416 * process packets 417 * (3) enable interrupts -- also clears pending 418 * 419 * If the chip received more packets and internally generated 420 * an interrupt between the check at (2) and the mbox write 421 * at (3), this interrupt would be lost :-( 422 * 423 * The best way to avoid this is to use TAGGED STATUS mode, 424 * where the chip includes a unique tag in each status block 425 * update, and the host, when re-enabling interrupts, passes 426 * the last tag it saw back to the chip; then the chip can 427 * see whether the host is truly up to date, and regenerate 428 * its interrupt if not. 429 */ 430 mhcr = MHCR_ENABLE_INDIRECT_ACCESS | 431 MHCR_ENABLE_TAGGED_STATUS_MODE | 432 MHCR_MASK_INTERRUPT_MODE | 433 MHCR_CLEAR_INTERRUPT_INTA; 434 435 if (bgep->intr_type == DDI_INTR_TYPE_FIXED) 436 mhcr |= MHCR_MASK_PCI_INT_OUTPUT; 437 438 #ifdef _BIG_ENDIAN 439 mhcr |= MHCR_ENABLE_ENDIAN_WORD_SWAP | MHCR_ENABLE_ENDIAN_BYTE_SWAP; 440 #endif /* _BIG_ENDIAN */ 441 442 pci_config_put32(handle, PCI_CONF_BGE_MHCR, mhcr); 443 444 #ifdef BGE_IPMI_ASF 445 bgep->asf_wordswapped = B_FALSE; 446 #endif 447 /* 448 * Step 1 (also step 7): Enable PCI Memory Space accesses 449 * Disable Memory Write/Invalidate 450 * Enable or disable Bus Mastering 451 * 452 * Note that all other bits are taken from the original value saved 453 * the first time through here, rather than from the current register 454 * value, 'cos that will have been cleared by a soft RESET since. 455 * In this way we preserve the OBP/nexus-parent's preferred settings 456 * of the parity-error and system-error enable bits across multiple 457 * chip RESETs. 458 */ 459 command = bgep->chipid.command | PCI_COMM_MAE; 460 command &= ~(PCI_COMM_ME|PCI_COMM_MEMWR_INVAL); 461 if (enable_dma) 462 command |= PCI_COMM_ME; 463 /* 464 * on BCM5714 revision A0, false parity error gets generated 465 * due to a logic bug. Provide a workaround by disabling parity 466 * error. 467 */ 468 if (((cidp->device == DEVICE_ID_5714C) || 469 (cidp->device == DEVICE_ID_5714S)) && 470 (cidp->revision == REVISION_ID_5714_A0)) { 471 command &= ~PCI_COMM_PARITY_DETECT; 472 } 473 pci_config_put16(handle, PCI_CONF_COMM, command); 474 475 /* 476 * On some PCI-E device, there were instances when 477 * the device was still link training. 478 */ 479 if (bgep->chipid.pci_type == BGE_PCI_E) { 480 i = 0; 481 value16 = pci_config_get16(handle, PCI_CONF_COMM); 482 while ((value16 != command) && (i < 100)) { 483 drv_usecwait(200); 484 value16 = pci_config_get16(handle, PCI_CONF_COMM); 485 ++i; 486 } 487 } 488 489 /* 490 * Clear any remaining error status bits 491 */ 492 pci_config_put16(handle, PCI_CONF_STAT, ~0); 493 494 /* 495 * Do following if and only if the device is NOT BCM5714C OR 496 * BCM5715C 497 */ 498 if (!((cidp->device == DEVICE_ID_5714C) || 499 (cidp->device == DEVICE_ID_5715C))) { 500 /* 501 * Make sure these indirect-access registers are sane 502 * rather than random after power-up or reset 503 */ 504 pci_config_put32(handle, PCI_CONF_BGE_RIAAR, 0); 505 pci_config_put32(handle, PCI_CONF_BGE_MWBAR, 0); 506 } 507 /* 508 * Step 8: Disable PCI-X/PCI-E Relaxed Ordering 509 */ 510 bge_cfg_clr16(bgep, PCIX_CONF_COMM, PCIX_COMM_RELAXED); 511 512 if (cidp->pci_type == BGE_PCI_E) { 513 if (DEVICE_5723_SERIES_CHIPSETS(bgep)) { 514 bge_cfg_clr16(bgep, PCI_CONF_DEV_CTRL_5723, 515 DEV_CTRL_NO_SNOOP | DEV_CTRL_RELAXED); 516 } else 517 bge_cfg_clr16(bgep, PCI_CONF_DEV_CTRL, 518 DEV_CTRL_NO_SNOOP | DEV_CTRL_RELAXED); 519 } 520 } 521 522 #ifdef __amd64 523 /* 524 * Distinguish CPU types 525 * 526 * These use to distinguish AMD64 or Intel EM64T of CPU running mode. 527 * If CPU runs on Intel EM64T mode,the 64bit operation cannot works fine 528 * for PCI-Express based network interface card. This is the work-around 529 * for those nics. 530 */ 531 static boolean_t bge_get_em64t_type(void); 532 #pragma inline(bge_get_em64t_type) 533 534 static boolean_t 535 bge_get_em64t_type(void) 536 { 537 538 return (x86_vendor == X86_VENDOR_Intel); 539 } 540 #endif 541 542 /* 543 * Operating register get/set access routines 544 */ 545 546 uint32_t bge_reg_get32(bge_t *bgep, bge_regno_t regno); 547 #pragma inline(bge_reg_get32) 548 549 uint32_t 550 bge_reg_get32(bge_t *bgep, bge_regno_t regno) 551 { 552 BGE_TRACE(("bge_reg_get32($%p, 0x%lx)", 553 (void *)bgep, regno)); 554 555 return (ddi_get32(bgep->io_handle, PIO_ADDR(bgep, regno))); 556 } 557 558 void bge_reg_put32(bge_t *bgep, bge_regno_t regno, uint32_t data); 559 #pragma inline(bge_reg_put32) 560 561 void 562 bge_reg_put32(bge_t *bgep, bge_regno_t regno, uint32_t data) 563 { 564 BGE_TRACE(("bge_reg_put32($%p, 0x%lx, 0x%x)", 565 (void *)bgep, regno, data)); 566 567 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, regno), data); 568 BGE_PCICHK(bgep); 569 } 570 571 void bge_reg_set32(bge_t *bgep, bge_regno_t regno, uint32_t bits); 572 #pragma inline(bge_reg_set32) 573 574 void 575 bge_reg_set32(bge_t *bgep, bge_regno_t regno, uint32_t bits) 576 { 577 uint32_t regval; 578 579 BGE_TRACE(("bge_reg_set32($%p, 0x%lx, 0x%x)", 580 (void *)bgep, regno, bits)); 581 582 regval = bge_reg_get32(bgep, regno); 583 regval |= bits; 584 bge_reg_put32(bgep, regno, regval); 585 } 586 587 void bge_reg_clr32(bge_t *bgep, bge_regno_t regno, uint32_t bits); 588 #pragma inline(bge_reg_clr32) 589 590 void 591 bge_reg_clr32(bge_t *bgep, bge_regno_t regno, uint32_t bits) 592 { 593 uint32_t regval; 594 595 BGE_TRACE(("bge_reg_clr32($%p, 0x%lx, 0x%x)", 596 (void *)bgep, regno, bits)); 597 598 regval = bge_reg_get32(bgep, regno); 599 regval &= ~bits; 600 bge_reg_put32(bgep, regno, regval); 601 } 602 603 static uint64_t bge_reg_get64(bge_t *bgep, bge_regno_t regno); 604 #pragma inline(bge_reg_get64) 605 606 static uint64_t 607 bge_reg_get64(bge_t *bgep, bge_regno_t regno) 608 { 609 uint64_t regval; 610 611 #ifdef __amd64 612 if (DEVICE_5723_SERIES_CHIPSETS(bgep) || bge_get_em64t_type()) { 613 regval = ddi_get32(bgep->io_handle, PIO_ADDR(bgep, regno + 4)); 614 regval <<= 32; 615 regval |= ddi_get32(bgep->io_handle, PIO_ADDR(bgep, regno)); 616 } else { 617 regval = ddi_get64(bgep->io_handle, PIO_ADDR(bgep, regno)); 618 } 619 #elif defined(__sparc) 620 if (DEVICE_5723_SERIES_CHIPSETS(bgep)) { 621 regval = ddi_get32(bgep->io_handle, PIO_ADDR(bgep, regno)); 622 regval <<= 32; 623 regval |= ddi_get32(bgep->io_handle, PIO_ADDR(bgep, regno + 4)); 624 } else { 625 regval = ddi_get64(bgep->io_handle, PIO_ADDR(bgep, regno)); 626 } 627 #else 628 regval = ddi_get64(bgep->io_handle, PIO_ADDR(bgep, regno)); 629 #endif 630 631 #ifdef _LITTLE_ENDIAN 632 regval = (regval >> 32) | (regval << 32); 633 #endif /* _LITTLE_ENDIAN */ 634 635 BGE_TRACE(("bge_reg_get64($%p, 0x%lx) = 0x%016llx", 636 (void *)bgep, regno, regval)); 637 638 return (regval); 639 } 640 641 static void bge_reg_put64(bge_t *bgep, bge_regno_t regno, uint64_t data); 642 #pragma inline(bge_reg_put64) 643 644 static void 645 bge_reg_put64(bge_t *bgep, bge_regno_t regno, uint64_t data) 646 { 647 BGE_TRACE(("bge_reg_put64($%p, 0x%lx, 0x%016llx)", 648 (void *)bgep, regno, data)); 649 650 #ifdef _LITTLE_ENDIAN 651 data = ((data >> 32) | (data << 32)); 652 #endif /* _LITTLE_ENDIAN */ 653 654 #ifdef __amd64 655 if (DEVICE_5723_SERIES_CHIPSETS(bgep) || bge_get_em64t_type()) { 656 ddi_put32(bgep->io_handle, 657 PIO_ADDR(bgep, regno), (uint32_t)data); 658 BGE_PCICHK(bgep); 659 ddi_put32(bgep->io_handle, 660 PIO_ADDR(bgep, regno + 4), (uint32_t)(data >> 32)); 661 662 } else { 663 ddi_put64(bgep->io_handle, PIO_ADDR(bgep, regno), data); 664 } 665 #elif defined(__sparc) 666 if (DEVICE_5723_SERIES_CHIPSETS(bgep)) { 667 ddi_put32(bgep->io_handle, 668 PIO_ADDR(bgep, regno + 4), (uint32_t)data); 669 BGE_PCICHK(bgep); 670 ddi_put32(bgep->io_handle, 671 PIO_ADDR(bgep, regno), (uint32_t)(data >> 32)); 672 } else { 673 ddi_put64(bgep->io_handle, PIO_ADDR(bgep, regno), data); 674 } 675 #else 676 ddi_put64(bgep->io_handle, PIO_ADDR(bgep, regno), data); 677 #endif 678 679 BGE_PCICHK(bgep); 680 } 681 682 /* 683 * The DDI doesn't provide get/put functions for 128 bit data 684 * so we put RCBs out as two 64-bit chunks instead. 685 */ 686 static void bge_reg_putrcb(bge_t *bgep, bge_regno_t addr, bge_rcb_t *rcbp); 687 #pragma inline(bge_reg_putrcb) 688 689 static void 690 bge_reg_putrcb(bge_t *bgep, bge_regno_t addr, bge_rcb_t *rcbp) 691 { 692 uint64_t *p; 693 694 BGE_TRACE(("bge_reg_putrcb($%p, 0x%lx, 0x%016llx:%04x:%04x:%08x)", 695 (void *)bgep, addr, rcbp->host_ring_addr, 696 rcbp->max_len, rcbp->flags, rcbp->nic_ring_addr)); 697 698 ASSERT((addr % sizeof (*rcbp)) == 0); 699 700 p = (void *)rcbp; 701 bge_reg_put64(bgep, addr, *p++); 702 bge_reg_put64(bgep, addr+8, *p); 703 } 704 705 void bge_mbx_put(bge_t *bgep, bge_regno_t regno, uint64_t data); 706 #pragma inline(bge_mbx_put) 707 708 void 709 bge_mbx_put(bge_t *bgep, bge_regno_t regno, uint64_t data) 710 { 711 if (DEVICE_5906_SERIES_CHIPSETS(bgep)) 712 regno += INTERRUPT_LP_MBOX_0_REG - INTERRUPT_MBOX_0_REG + 4; 713 714 BGE_TRACE(("bge_mbx_put($%p, 0x%lx, 0x%016llx)", 715 (void *)bgep, regno, data)); 716 717 /* 718 * Mailbox registers are nominally 64 bits on the 5701, but 719 * the MSW isn't used. On the 5703, they're only 32 bits 720 * anyway. So here we just write the lower(!) 32 bits - 721 * remembering that the chip is big-endian, even though the 722 * PCI bus is little-endian ... 723 */ 724 #ifdef _BIG_ENDIAN 725 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, regno+4), (uint32_t)data); 726 #else 727 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, regno), (uint32_t)data); 728 #endif /* _BIG_ENDIAN */ 729 BGE_PCICHK(bgep); 730 } 731 732 uint32_t bge_mbx_get(bge_t *bgep, bge_regno_t regno); 733 #pragma inline(bge_mbx_get) 734 735 uint32_t 736 bge_mbx_get(bge_t *bgep, bge_regno_t regno) 737 { 738 uint32_t val32; 739 740 if (DEVICE_5906_SERIES_CHIPSETS(bgep)) 741 regno += INTERRUPT_LP_MBOX_0_REG - INTERRUPT_MBOX_0_REG + 4; 742 743 BGE_TRACE(("bge_mbx_get($%p, 0x%lx)", 744 (void *)bgep, regno)); 745 746 #ifdef _BIG_ENDIAN 747 val32 = ddi_get32(bgep->io_handle, PIO_ADDR(bgep, regno+4)); 748 #else 749 val32 = ddi_get32(bgep->io_handle, PIO_ADDR(bgep, regno)); 750 #endif /* _BIG_ENDIAN */ 751 BGE_PCICHK(bgep); 752 753 return (val32); 754 } 755 756 757 #if BGE_DEBUGGING 758 759 void bge_led_mark(bge_t *bgep); 760 #pragma no_inline(bge_led_mark) 761 762 void 763 bge_led_mark(bge_t *bgep) 764 { 765 uint32_t led_ctrl = LED_CONTROL_OVERRIDE_LINK | 766 LED_CONTROL_1000MBPS_LED | 767 LED_CONTROL_100MBPS_LED | 768 LED_CONTROL_10MBPS_LED; 769 770 /* 771 * Blink all three LINK LEDs on simultaneously, then all off, 772 * then restore to automatic hardware control. This is used 773 * in laboratory testing to trigger a logic analyser or scope. 774 */ 775 bge_reg_set32(bgep, ETHERNET_MAC_LED_CONTROL_REG, led_ctrl); 776 led_ctrl ^= LED_CONTROL_OVERRIDE_LINK; 777 bge_reg_clr32(bgep, ETHERNET_MAC_LED_CONTROL_REG, led_ctrl); 778 led_ctrl = LED_CONTROL_OVERRIDE_LINK; 779 bge_reg_clr32(bgep, ETHERNET_MAC_LED_CONTROL_REG, led_ctrl); 780 } 781 782 #endif /* BGE_DEBUGGING */ 783 784 /* 785 * NIC on-chip memory access routines 786 * 787 * Only 32K of NIC memory is visible at a time, controlled by the 788 * Memory Window Base Address Register (in PCI config space). Once 789 * this is set, the 32K region of NIC-local memory that it refers 790 * to can be directly addressed in the upper 32K of the 64K of PCI 791 * memory space used for the device. 792 */ 793 794 static void bge_nic_setwin(bge_t *bgep, bge_regno_t base); 795 #pragma inline(bge_nic_setwin) 796 797 static void 798 bge_nic_setwin(bge_t *bgep, bge_regno_t base) 799 { 800 chip_id_t *cidp; 801 802 BGE_TRACE(("bge_nic_setwin($%p, 0x%lx)", 803 (void *)bgep, base)); 804 805 ASSERT((base & MWBAR_GRANULE_MASK) == 0); 806 807 /* 808 * Don't do repeated zero data writes, 809 * if the device is BCM5714C/15C. 810 */ 811 cidp = &bgep->chipid; 812 if ((cidp->device == DEVICE_ID_5714C) || 813 (cidp->device == DEVICE_ID_5715C)) { 814 if (bgep->lastWriteZeroData && (base == (bge_regno_t)0)) 815 return; 816 /* Adjust lastWriteZeroData */ 817 bgep->lastWriteZeroData = ((base == (bge_regno_t)0) ? 818 B_TRUE : B_FALSE); 819 } 820 pci_config_put32(bgep->cfg_handle, PCI_CONF_BGE_MWBAR, base); 821 } 822 823 static uint32_t bge_nic_get32(bge_t *bgep, bge_regno_t addr); 824 #pragma inline(bge_nic_get32) 825 826 static uint32_t 827 bge_nic_get32(bge_t *bgep, bge_regno_t addr) 828 { 829 uint32_t data; 830 831 #if defined(BGE_IPMI_ASF) && !defined(__sparc) 832 if (bgep->asf_enabled && !bgep->asf_wordswapped) { 833 /* workaround for word swap error */ 834 if (addr & 4) 835 addr = addr - 4; 836 else 837 addr = addr + 4; 838 } 839 #endif 840 841 #ifdef __sparc 842 data = bge_nic_read32(bgep, addr); 843 #else 844 bge_nic_setwin(bgep, addr & ~MWBAR_GRANULE_MASK); 845 addr &= MWBAR_GRANULE_MASK; 846 addr += NIC_MEM_WINDOW_OFFSET; 847 848 data = ddi_get32(bgep->io_handle, PIO_ADDR(bgep, addr)); 849 #endif 850 851 BGE_TRACE(("bge_nic_get32($%p, 0x%lx) = 0x%08x", 852 (void *)bgep, addr, data)); 853 854 return (data); 855 } 856 857 void bge_nic_put32(bge_t *bgep, bge_regno_t addr, uint32_t data); 858 #pragma inline(bge_nic_put32) 859 860 void 861 bge_nic_put32(bge_t *bgep, bge_regno_t addr, uint32_t data) 862 { 863 BGE_TRACE(("bge_nic_put32($%p, 0x%lx, 0x%08x)", 864 (void *)bgep, addr, data)); 865 866 #if defined(BGE_IPMI_ASF) && !defined(__sparc) 867 if (bgep->asf_enabled && !bgep->asf_wordswapped) { 868 /* workaround for word swap error */ 869 if (addr & 4) 870 addr = addr - 4; 871 else 872 addr = addr + 4; 873 } 874 #endif 875 876 #ifdef __sparc 877 pci_config_put32(bgep->cfg_handle, PCI_CONF_BGE_MWBAR, addr); 878 data = LE_32(data); 879 pci_config_put32(bgep->cfg_handle, PCI_CONF_BGE_MWDAR, data); 880 pci_config_put32(bgep->cfg_handle, PCI_CONF_BGE_MWBAR, 0); 881 #else 882 bge_nic_setwin(bgep, addr & ~MWBAR_GRANULE_MASK); 883 addr &= MWBAR_GRANULE_MASK; 884 addr += NIC_MEM_WINDOW_OFFSET; 885 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, addr), data); 886 BGE_PCICHK(bgep); 887 #endif 888 } 889 890 static uint64_t bge_nic_get64(bge_t *bgep, bge_regno_t addr); 891 #pragma inline(bge_nic_get64) 892 893 static uint64_t 894 bge_nic_get64(bge_t *bgep, bge_regno_t addr) 895 { 896 uint64_t data; 897 898 bge_nic_setwin(bgep, addr & ~MWBAR_GRANULE_MASK); 899 addr &= MWBAR_GRANULE_MASK; 900 addr += NIC_MEM_WINDOW_OFFSET; 901 902 #ifdef __amd64 903 if (DEVICE_5723_SERIES_CHIPSETS(bgep) || bge_get_em64t_type()) { 904 data = ddi_get32(bgep->io_handle, PIO_ADDR(bgep, addr)); 905 data <<= 32; 906 data |= ddi_get32(bgep->io_handle, 907 PIO_ADDR(bgep, addr + 4)); 908 } else { 909 data = ddi_get64(bgep->io_handle, PIO_ADDR(bgep, addr)); 910 } 911 #elif defined(__sparc) 912 if (DEVICE_5723_SERIES_CHIPSETS(bgep)) { 913 data = ddi_get32(bgep->io_handle, PIO_ADDR(bgep, addr)); 914 data <<= 32; 915 data |= ddi_get32(bgep->io_handle, 916 PIO_ADDR(bgep, addr + 4)); 917 } else { 918 data = ddi_get64(bgep->io_handle, PIO_ADDR(bgep, addr)); 919 } 920 #else 921 data = ddi_get64(bgep->io_handle, PIO_ADDR(bgep, addr)); 922 #endif 923 924 BGE_TRACE(("bge_nic_get64($%p, 0x%lx) = 0x%016llx", 925 (void *)bgep, addr, data)); 926 927 return (data); 928 } 929 930 static void bge_nic_put64(bge_t *bgep, bge_regno_t addr, uint64_t data); 931 #pragma inline(bge_nic_put64) 932 933 static void 934 bge_nic_put64(bge_t *bgep, bge_regno_t addr, uint64_t data) 935 { 936 BGE_TRACE(("bge_nic_put64($%p, 0x%lx, 0x%016llx)", 937 (void *)bgep, addr, data)); 938 939 bge_nic_setwin(bgep, addr & ~MWBAR_GRANULE_MASK); 940 addr &= MWBAR_GRANULE_MASK; 941 addr += NIC_MEM_WINDOW_OFFSET; 942 943 #ifdef __amd64 944 if (DEVICE_5723_SERIES_CHIPSETS(bgep) || bge_get_em64t_type()) { 945 ddi_put32(bgep->io_handle, 946 PIO_ADDR(bgep, addr), (uint32_t)data); 947 BGE_PCICHK(bgep); 948 ddi_put32(bgep->io_handle, 949 PIO_ADDR(bgep, addr + 4), (uint32_t)(data >> 32)); 950 } else { 951 ddi_put64(bgep->io_handle, PIO_ADDR(bgep, addr), data); 952 } 953 #elif defined(__sparc) 954 if (DEVICE_5723_SERIES_CHIPSETS(bgep)) { 955 ddi_put32(bgep->io_handle, 956 PIO_ADDR(bgep, addr + 4), (uint32_t)data); 957 BGE_PCICHK(bgep); 958 ddi_put32(bgep->io_handle, 959 PIO_ADDR(bgep, addr), (uint32_t)(data >> 32)); 960 } else { 961 ddi_put64(bgep->io_handle, PIO_ADDR(bgep, addr), data); 962 } 963 #else 964 ddi_put64(bgep->io_handle, PIO_ADDR(bgep, addr), data); 965 #endif 966 967 BGE_PCICHK(bgep); 968 } 969 970 /* 971 * The DDI doesn't provide get/put functions for 128 bit data 972 * so we put RCBs out as two 64-bit chunks instead. 973 */ 974 static void bge_nic_putrcb(bge_t *bgep, bge_regno_t addr, bge_rcb_t *rcbp); 975 #pragma inline(bge_nic_putrcb) 976 977 static void 978 bge_nic_putrcb(bge_t *bgep, bge_regno_t addr, bge_rcb_t *rcbp) 979 { 980 uint64_t *p; 981 982 BGE_TRACE(("bge_nic_putrcb($%p, 0x%lx, 0x%016llx:%04x:%04x:%08x)", 983 (void *)bgep, addr, rcbp->host_ring_addr, 984 rcbp->max_len, rcbp->flags, rcbp->nic_ring_addr)); 985 986 ASSERT((addr % sizeof (*rcbp)) == 0); 987 988 bge_nic_setwin(bgep, addr & ~MWBAR_GRANULE_MASK); 989 addr &= MWBAR_GRANULE_MASK; 990 addr += NIC_MEM_WINDOW_OFFSET; 991 992 p = (void *)rcbp; 993 #ifdef __amd64 994 if (DEVICE_5723_SERIES_CHIPSETS(bgep) || bge_get_em64t_type()) { 995 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, addr), 996 (uint32_t)(*p)); 997 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, addr + 4), 998 (uint32_t)(*p >> 32)); 999 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, addr + 8), 1000 (uint32_t)(*(p + 1))); 1001 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, addr + 12), 1002 (uint32_t)(*p >> 32)); 1003 1004 } else { 1005 ddi_put64(bgep->io_handle, PIO_ADDR(bgep, addr), *p++); 1006 ddi_put64(bgep->io_handle, PIO_ADDR(bgep, addr+8), *p); 1007 } 1008 #elif defined(__sparc) 1009 if (DEVICE_5723_SERIES_CHIPSETS(bgep)) { 1010 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, addr + 4), 1011 (uint32_t)(*p)); 1012 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, addr), 1013 (uint32_t)(*p >> 32)); 1014 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, addr + 12), 1015 (uint32_t)(*(p + 1))); 1016 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, addr + 8), 1017 (uint32_t)(*p >> 32)); 1018 } else { 1019 ddi_put64(bgep->io_handle, PIO_ADDR(bgep, addr), *p++); 1020 ddi_put64(bgep->io_handle, PIO_ADDR(bgep, addr + 8), *p); 1021 } 1022 #else 1023 ddi_put64(bgep->io_handle, PIO_ADDR(bgep, addr), *p++); 1024 ddi_put64(bgep->io_handle, PIO_ADDR(bgep, addr + 8), *p); 1025 #endif 1026 1027 BGE_PCICHK(bgep); 1028 } 1029 1030 static void bge_nic_zero(bge_t *bgep, bge_regno_t addr, uint32_t nbytes); 1031 #pragma inline(bge_nic_zero) 1032 1033 static void 1034 bge_nic_zero(bge_t *bgep, bge_regno_t addr, uint32_t nbytes) 1035 { 1036 BGE_TRACE(("bge_nic_zero($%p, 0x%lx, 0x%x)", 1037 (void *)bgep, addr, nbytes)); 1038 1039 ASSERT((addr & ~MWBAR_GRANULE_MASK) == 1040 ((addr+nbytes) & ~MWBAR_GRANULE_MASK)); 1041 1042 bge_nic_setwin(bgep, addr & ~MWBAR_GRANULE_MASK); 1043 addr &= MWBAR_GRANULE_MASK; 1044 addr += NIC_MEM_WINDOW_OFFSET; 1045 1046 (void) ddi_device_zero(bgep->io_handle, PIO_ADDR(bgep, addr), 1047 nbytes, 1, DDI_DATA_SZ08_ACC); 1048 BGE_PCICHK(bgep); 1049 } 1050 1051 /* 1052 * MII (PHY) register get/set access routines 1053 * 1054 * These use the chip's MII auto-access method, controlled by the 1055 * MII Communication register at 0x044c, so the CPU doesn't have 1056 * to fiddle with the individual bits. 1057 */ 1058 1059 #undef BGE_DBG 1060 #define BGE_DBG BGE_DBG_MII /* debug flag for this code */ 1061 1062 static uint16_t bge_mii_access(bge_t *bgep, bge_regno_t regno, 1063 uint16_t data, uint32_t cmd); 1064 #pragma no_inline(bge_mii_access) 1065 1066 static uint16_t 1067 bge_mii_access(bge_t *bgep, bge_regno_t regno, uint16_t data, uint32_t cmd) 1068 { 1069 uint32_t timeout; 1070 uint32_t regval1; 1071 uint32_t regval2; 1072 1073 BGE_TRACE(("bge_mii_access($%p, 0x%lx, 0x%x, 0x%x)", 1074 (void *)bgep, regno, data, cmd)); 1075 1076 ASSERT(mutex_owned(bgep->genlock)); 1077 1078 /* 1079 * Assemble the command ... 1080 */ 1081 cmd |= data << MI_COMMS_DATA_SHIFT; 1082 cmd |= regno << MI_COMMS_REGISTER_SHIFT; 1083 cmd |= bgep->phy_mii_addr << MI_COMMS_ADDRESS_SHIFT; 1084 cmd |= MI_COMMS_START; 1085 1086 /* 1087 * Wait for any command already in progress ... 1088 * 1089 * Note: this *shouldn't* ever find that there is a command 1090 * in progress, because we already hold the <genlock> mutex. 1091 * Nonetheless, we have sometimes seen the MI_COMMS_START 1092 * bit set here -- it seems that the chip can initiate MII 1093 * accesses internally, even with polling OFF. 1094 */ 1095 regval1 = regval2 = bge_reg_get32(bgep, MI_COMMS_REG); 1096 for (timeout = 100; ; ) { 1097 if ((regval2 & MI_COMMS_START) == 0) { 1098 bge_reg_put32(bgep, MI_COMMS_REG, cmd); 1099 break; 1100 } 1101 if (--timeout == 0) 1102 break; 1103 drv_usecwait(10); 1104 regval2 = bge_reg_get32(bgep, MI_COMMS_REG); 1105 } 1106 1107 if (timeout == 0) 1108 return ((uint16_t)~0u); 1109 1110 if (timeout != 100) 1111 BGE_REPORT((bgep, "bge_mii_access: cmd 0x%x -- " 1112 "MI_COMMS_START set for %d us; 0x%x->0x%x", 1113 cmd, 10*(100-timeout), regval1, regval2)); 1114 1115 regval1 = bge_reg_get32(bgep, MI_COMMS_REG); 1116 for (timeout = 1000; ; ) { 1117 if ((regval1 & MI_COMMS_START) == 0) 1118 break; 1119 if (--timeout == 0) 1120 break; 1121 drv_usecwait(10); 1122 regval1 = bge_reg_get32(bgep, MI_COMMS_REG); 1123 } 1124 1125 /* 1126 * Drop out early if the READ FAILED bit is set -- this chip 1127 * could be a 5703/4S, with a SerDes instead of a PHY! 1128 */ 1129 if (regval2 & MI_COMMS_READ_FAILED) 1130 return ((uint16_t)~0u); 1131 1132 if (timeout == 0) 1133 return ((uint16_t)~0u); 1134 1135 /* 1136 * The PRM says to wait 5us after seeing the START bit clear 1137 * and then re-read the register to get the final value of the 1138 * data field, in order to avoid a race condition where the 1139 * START bit is clear but the data field isn't yet valid. 1140 * 1141 * Note: we don't actually seem to be encounter this race; 1142 * except when the START bit is seen set again (see below), 1143 * the data field doesn't change during this 5us interval. 1144 */ 1145 drv_usecwait(5); 1146 regval2 = bge_reg_get32(bgep, MI_COMMS_REG); 1147 1148 /* 1149 * Unfortunately, when following the PRMs instructions above, 1150 * we have occasionally seen the START bit set again(!) in the 1151 * value read after the 5us delay. This seems to be due to the 1152 * chip autonomously starting another MII access internally. 1153 * In such cases, the command/data/etc fields relate to the 1154 * internal command, rather than the one that we thought had 1155 * just finished. So in this case, we fall back to returning 1156 * the data from the original read that showed START clear. 1157 */ 1158 if (regval2 & MI_COMMS_START) { 1159 BGE_REPORT((bgep, "bge_mii_access: cmd 0x%x -- " 1160 "MI_COMMS_START set after transaction; 0x%x->0x%x", 1161 cmd, regval1, regval2)); 1162 regval2 = regval1; 1163 } 1164 1165 if (regval2 & MI_COMMS_START) 1166 return ((uint16_t)~0u); 1167 1168 if (regval2 & MI_COMMS_READ_FAILED) 1169 return ((uint16_t)~0u); 1170 1171 return ((regval2 & MI_COMMS_DATA_MASK) >> MI_COMMS_DATA_SHIFT); 1172 } 1173 1174 uint16_t bge_mii_get16(bge_t *bgep, bge_regno_t regno); 1175 #pragma no_inline(bge_mii_get16) 1176 1177 uint16_t 1178 bge_mii_get16(bge_t *bgep, bge_regno_t regno) 1179 { 1180 BGE_TRACE(("bge_mii_get16($%p, 0x%lx)", 1181 (void *)bgep, regno)); 1182 1183 ASSERT(mutex_owned(bgep->genlock)); 1184 1185 if (DEVICE_5906_SERIES_CHIPSETS(bgep) && ((regno == MII_AUX_CONTROL) || 1186 (regno == MII_MSCONTROL))) 1187 return (0); 1188 1189 return (bge_mii_access(bgep, regno, 0, MI_COMMS_COMMAND_READ)); 1190 } 1191 1192 void bge_mii_put16(bge_t *bgep, bge_regno_t regno, uint16_t data); 1193 #pragma no_inline(bge_mii_put16) 1194 1195 void 1196 bge_mii_put16(bge_t *bgep, bge_regno_t regno, uint16_t data) 1197 { 1198 BGE_TRACE(("bge_mii_put16($%p, 0x%lx, 0x%x)", 1199 (void *)bgep, regno, data)); 1200 1201 ASSERT(mutex_owned(bgep->genlock)); 1202 1203 if (DEVICE_5906_SERIES_CHIPSETS(bgep) && ((regno == MII_AUX_CONTROL) || 1204 (regno == MII_MSCONTROL))) 1205 return; 1206 1207 (void) bge_mii_access(bgep, regno, data, MI_COMMS_COMMAND_WRITE); 1208 } 1209 1210 #undef BGE_DBG 1211 #define BGE_DBG BGE_DBG_SEEPROM /* debug flag for this code */ 1212 1213 #if BGE_SEE_IO32 || BGE_FLASH_IO32 1214 1215 /* 1216 * Basic SEEPROM get/set access routine 1217 * 1218 * This uses the chip's SEEPROM auto-access method, controlled by the 1219 * Serial EEPROM Address/Data Registers at 0x6838/683c, so the CPU 1220 * doesn't have to fiddle with the individual bits. 1221 * 1222 * The caller should hold <genlock> and *also* have already acquired 1223 * the right to access the SEEPROM, via bge_nvmem_acquire() above. 1224 * 1225 * Return value: 1226 * 0 on success, 1227 * ENODATA on access timeout (maybe retryable: device may just be busy) 1228 * EPROTO on other h/w or s/w errors. 1229 * 1230 * <*dp> is an input to a SEEPROM_ACCESS_WRITE operation, or an output 1231 * from a (successful) SEEPROM_ACCESS_READ. 1232 */ 1233 static int bge_seeprom_access(bge_t *bgep, uint32_t cmd, bge_regno_t addr, 1234 uint32_t *dp); 1235 #pragma no_inline(bge_seeprom_access) 1236 1237 static int 1238 bge_seeprom_access(bge_t *bgep, uint32_t cmd, bge_regno_t addr, uint32_t *dp) 1239 { 1240 uint32_t tries; 1241 uint32_t regval; 1242 1243 ASSERT(mutex_owned(bgep->genlock)); 1244 1245 /* 1246 * On the newer chips that support both SEEPROM & Flash, we need 1247 * to specifically enable SEEPROM access (Flash is the default). 1248 * On older chips, we don't; SEEPROM is the only NVtype supported, 1249 * and the NVM control registers don't exist ... 1250 */ 1251 switch (bgep->chipid.nvtype) { 1252 case BGE_NVTYPE_NONE: 1253 case BGE_NVTYPE_UNKNOWN: 1254 _NOTE(NOTREACHED) 1255 case BGE_NVTYPE_SEEPROM: 1256 break; 1257 1258 case BGE_NVTYPE_LEGACY_SEEPROM: 1259 case BGE_NVTYPE_UNBUFFERED_FLASH: 1260 case BGE_NVTYPE_BUFFERED_FLASH: 1261 default: 1262 bge_reg_set32(bgep, NVM_CONFIG1_REG, 1263 NVM_CFG1_LEGACY_SEEPROM_MODE); 1264 break; 1265 } 1266 1267 /* 1268 * Check there's no command in progress. 1269 * 1270 * Note: this *shouldn't* ever find that there is a command 1271 * in progress, because we already hold the <genlock> mutex. 1272 * Also, to ensure we don't have a conflict with the chip's 1273 * internal firmware or a process accessing the same (shared) 1274 * SEEPROM through the other port of a 5704, we've already 1275 * been through the "software arbitration" protocol. 1276 * So this is just a final consistency check: we shouldn't 1277 * see EITHER the START bit (command started but not complete) 1278 * OR the COMPLETE bit (command completed but not cleared). 1279 */ 1280 regval = bge_reg_get32(bgep, SERIAL_EEPROM_ADDRESS_REG); 1281 if (regval & SEEPROM_ACCESS_START) 1282 return (EPROTO); 1283 if (regval & SEEPROM_ACCESS_COMPLETE) 1284 return (EPROTO); 1285 1286 /* 1287 * Assemble the command ... 1288 */ 1289 cmd |= addr & SEEPROM_ACCESS_ADDRESS_MASK; 1290 addr >>= SEEPROM_ACCESS_ADDRESS_SIZE; 1291 addr <<= SEEPROM_ACCESS_DEVID_SHIFT; 1292 cmd |= addr & SEEPROM_ACCESS_DEVID_MASK; 1293 cmd |= SEEPROM_ACCESS_START; 1294 cmd |= SEEPROM_ACCESS_COMPLETE; 1295 cmd |= regval & SEEPROM_ACCESS_HALFCLOCK_MASK; 1296 1297 bge_reg_put32(bgep, SERIAL_EEPROM_DATA_REG, *dp); 1298 bge_reg_put32(bgep, SERIAL_EEPROM_ADDRESS_REG, cmd); 1299 1300 /* 1301 * By observation, a successful access takes ~20us on a 5703/4, 1302 * but apparently much longer (up to 1000us) on the obsolescent 1303 * BCM5700/BCM5701. We want to be sure we don't get any false 1304 * timeouts here; but OTOH, we don't want a bogus access to lock 1305 * out interrupts for longer than necessary. So we'll allow up 1306 * to 1000us ... 1307 */ 1308 for (tries = 0; tries < 1000; ++tries) { 1309 regval = bge_reg_get32(bgep, SERIAL_EEPROM_ADDRESS_REG); 1310 if (regval & SEEPROM_ACCESS_COMPLETE) 1311 break; 1312 drv_usecwait(1); 1313 } 1314 1315 if (regval & SEEPROM_ACCESS_COMPLETE) { 1316 /* 1317 * All OK; read the SEEPROM data register, then write back 1318 * the value read from the address register in order to 1319 * clear the <complete> bit and leave the SEEPROM access 1320 * state machine idle, ready for the next access ... 1321 */ 1322 BGE_DEBUG(("bge_seeprom_access: complete after %d us", tries)); 1323 *dp = bge_reg_get32(bgep, SERIAL_EEPROM_DATA_REG); 1324 bge_reg_put32(bgep, SERIAL_EEPROM_ADDRESS_REG, regval); 1325 return (0); 1326 } 1327 1328 /* 1329 * Hmm ... what happened here? 1330 * 1331 * Most likely, the user addressed a non-existent SEEPROM. Or 1332 * maybe the SEEPROM was busy internally (e.g. processing a write) 1333 * and didn't respond to being addressed. Either way, it's left 1334 * the SEEPROM access state machine wedged. So we'll reset it 1335 * before we leave, so it's ready for next time ... 1336 */ 1337 BGE_DEBUG(("bge_seeprom_access: timed out after %d us", tries)); 1338 bge_reg_set32(bgep, SERIAL_EEPROM_ADDRESS_REG, SEEPROM_ACCESS_INIT); 1339 return (ENODATA); 1340 } 1341 1342 /* 1343 * Basic Flash get/set access routine 1344 * 1345 * These use the chip's Flash auto-access method, controlled by the 1346 * Flash Access Registers at 0x7000-701c, so the CPU doesn't have to 1347 * fiddle with the individual bits. 1348 * 1349 * The caller should hold <genlock> and *also* have already acquired 1350 * the right to access the Flash, via bge_nvmem_acquire() above. 1351 * 1352 * Return value: 1353 * 0 on success, 1354 * ENODATA on access timeout (maybe retryable: device may just be busy) 1355 * ENODEV if the NVmem device is missing or otherwise unusable 1356 * 1357 * <*dp> is an input to a NVM_FLASH_CMD_WR operation, or an output 1358 * from a (successful) NVM_FLASH_CMD_RD. 1359 */ 1360 static int bge_flash_access(bge_t *bgep, uint32_t cmd, bge_regno_t addr, 1361 uint32_t *dp); 1362 #pragma no_inline(bge_flash_access) 1363 1364 static int 1365 bge_flash_access(bge_t *bgep, uint32_t cmd, bge_regno_t addr, uint32_t *dp) 1366 { 1367 uint32_t tries; 1368 uint32_t regval; 1369 1370 ASSERT(mutex_owned(bgep->genlock)); 1371 1372 /* 1373 * On the newer chips that support both SEEPROM & Flash, we need 1374 * to specifically disable SEEPROM access while accessing Flash. 1375 * The older chips don't support Flash, and the NVM registers don't 1376 * exist, so we shouldn't be here at all! 1377 */ 1378 switch (bgep->chipid.nvtype) { 1379 case BGE_NVTYPE_NONE: 1380 case BGE_NVTYPE_UNKNOWN: 1381 _NOTE(NOTREACHED) 1382 case BGE_NVTYPE_SEEPROM: 1383 return (ENODEV); 1384 1385 case BGE_NVTYPE_LEGACY_SEEPROM: 1386 case BGE_NVTYPE_UNBUFFERED_FLASH: 1387 case BGE_NVTYPE_BUFFERED_FLASH: 1388 default: 1389 bge_reg_clr32(bgep, NVM_CONFIG1_REG, 1390 NVM_CFG1_LEGACY_SEEPROM_MODE); 1391 break; 1392 } 1393 1394 /* 1395 * Assemble the command ... 1396 */ 1397 addr &= NVM_FLASH_ADDR_MASK; 1398 cmd |= NVM_FLASH_CMD_DOIT; 1399 cmd |= NVM_FLASH_CMD_FIRST; 1400 cmd |= NVM_FLASH_CMD_LAST; 1401 cmd |= NVM_FLASH_CMD_DONE; 1402 1403 bge_reg_put32(bgep, NVM_FLASH_WRITE_REG, *dp); 1404 bge_reg_put32(bgep, NVM_FLASH_ADDR_REG, addr); 1405 bge_reg_put32(bgep, NVM_FLASH_CMD_REG, cmd); 1406 1407 /* 1408 * Allow up to 1000ms ... 1409 */ 1410 for (tries = 0; tries < 1000; ++tries) { 1411 regval = bge_reg_get32(bgep, NVM_FLASH_CMD_REG); 1412 if (regval & NVM_FLASH_CMD_DONE) 1413 break; 1414 drv_usecwait(1); 1415 } 1416 1417 if (regval & NVM_FLASH_CMD_DONE) { 1418 /* 1419 * All OK; read the data from the Flash read register 1420 */ 1421 BGE_DEBUG(("bge_flash_access: complete after %d us", tries)); 1422 *dp = bge_reg_get32(bgep, NVM_FLASH_READ_REG); 1423 return (0); 1424 } 1425 1426 /* 1427 * Hmm ... what happened here? 1428 * 1429 * Most likely, the user addressed a non-existent Flash. Or 1430 * maybe the Flash was busy internally (e.g. processing a write) 1431 * and didn't respond to being addressed. Either way, there's 1432 * nothing we can here ... 1433 */ 1434 BGE_DEBUG(("bge_flash_access: timed out after %d us", tries)); 1435 return (ENODATA); 1436 } 1437 1438 /* 1439 * The next two functions regulate access to the NVram (if fitted). 1440 * 1441 * On a 5704 (dual core) chip, there's only one SEEPROM and one Flash 1442 * (SPI) interface, but they can be accessed through either port. These 1443 * are managed by different instance of this driver and have no software 1444 * state in common. 1445 * 1446 * In addition (and even on a single core chip) the chip's internal 1447 * firmware can access the SEEPROM/Flash, most notably after a RESET 1448 * when it may download code to run internally. 1449 * 1450 * So we need to arbitrate between these various software agents. For 1451 * this purpose, the chip provides the Software Arbitration Register, 1452 * which implements hardware(!) arbitration. 1453 * 1454 * This functionality didn't exist on older (5700/5701) chips, so there's 1455 * nothing we can do by way of arbitration on those; also, if there's no 1456 * SEEPROM/Flash fitted (or we couldn't determine what type), there's also 1457 * nothing to do. 1458 * 1459 * The internal firmware appears to use Request 0, which is the highest 1460 * priority. So we'd like to use Request 2, leaving one higher and one 1461 * lower for any future developments ... but apparently this doesn't 1462 * always work. So for now, the code uses Request 1 ;-( 1463 */ 1464 1465 #define NVM_READ_REQ NVM_READ_REQ1 1466 #define NVM_RESET_REQ NVM_RESET_REQ1 1467 #define NVM_SET_REQ NVM_SET_REQ1 1468 1469 static void bge_nvmem_relinquish(bge_t *bgep); 1470 #pragma no_inline(bge_nvmem_relinquish) 1471 1472 static void 1473 bge_nvmem_relinquish(bge_t *bgep) 1474 { 1475 ASSERT(mutex_owned(bgep->genlock)); 1476 1477 switch (bgep->chipid.nvtype) { 1478 case BGE_NVTYPE_NONE: 1479 case BGE_NVTYPE_UNKNOWN: 1480 _NOTE(NOTREACHED) 1481 return; 1482 1483 case BGE_NVTYPE_SEEPROM: 1484 /* 1485 * No arbitration performed, no release needed 1486 */ 1487 return; 1488 1489 case BGE_NVTYPE_LEGACY_SEEPROM: 1490 case BGE_NVTYPE_UNBUFFERED_FLASH: 1491 case BGE_NVTYPE_BUFFERED_FLASH: 1492 default: 1493 break; 1494 } 1495 1496 /* 1497 * Our own request should be present (whether or not granted) ... 1498 */ 1499 (void) bge_reg_get32(bgep, NVM_SW_ARBITRATION_REG); 1500 1501 /* 1502 * ... this will make it go away. 1503 */ 1504 bge_reg_put32(bgep, NVM_SW_ARBITRATION_REG, NVM_RESET_REQ); 1505 (void) bge_reg_get32(bgep, NVM_SW_ARBITRATION_REG); 1506 } 1507 1508 /* 1509 * Arbitrate for access to the NVmem, if necessary 1510 * 1511 * Return value: 1512 * 0 on success 1513 * EAGAIN if the device is in use (retryable) 1514 * ENODEV if the NVmem device is missing or otherwise unusable 1515 */ 1516 static int bge_nvmem_acquire(bge_t *bgep); 1517 #pragma no_inline(bge_nvmem_acquire) 1518 1519 static int 1520 bge_nvmem_acquire(bge_t *bgep) 1521 { 1522 uint32_t regval; 1523 uint32_t tries; 1524 1525 ASSERT(mutex_owned(bgep->genlock)); 1526 1527 switch (bgep->chipid.nvtype) { 1528 case BGE_NVTYPE_NONE: 1529 case BGE_NVTYPE_UNKNOWN: 1530 /* 1531 * Access denied: no (recognisable) device fitted 1532 */ 1533 return (ENODEV); 1534 1535 case BGE_NVTYPE_SEEPROM: 1536 /* 1537 * Access granted: no arbitration needed (or possible) 1538 */ 1539 return (0); 1540 1541 case BGE_NVTYPE_LEGACY_SEEPROM: 1542 case BGE_NVTYPE_UNBUFFERED_FLASH: 1543 case BGE_NVTYPE_BUFFERED_FLASH: 1544 default: 1545 /* 1546 * Access conditional: conduct arbitration protocol 1547 */ 1548 break; 1549 } 1550 1551 /* 1552 * We're holding the per-port mutex <genlock>, so no-one other 1553 * thread can be attempting to access the NVmem through *this* 1554 * port. But it could be in use by the *other* port (of a 5704), 1555 * or by the chip's internal firmware, so we have to go through 1556 * the full (hardware) arbitration protocol ... 1557 * 1558 * Note that *because* we're holding <genlock>, the interrupt handler 1559 * won't be able to progress. So we're only willing to spin for a 1560 * fairly short time. Specifically: 1561 * 1562 * We *must* wait long enough for the hardware to resolve all 1563 * requests and determine the winner. Fortunately, this is 1564 * "almost instantaneous", even as observed by GHz CPUs. 1565 * 1566 * A successful access by another Solaris thread (via either 1567 * port) typically takes ~20us. So waiting a bit longer than 1568 * that will give a good chance of success, if the other user 1569 * *is* another thread on the other port. 1570 * 1571 * However, the internal firmware can hold on to the NVmem 1572 * for *much* longer: at least 10 milliseconds just after a 1573 * RESET, and maybe even longer if the NVmem actually contains 1574 * code to download and run on the internal CPUs. 1575 * 1576 * So, we'll allow 50us; if that's not enough then it's up to the 1577 * caller to retry later (hence the choice of return code EAGAIN). 1578 */ 1579 regval = bge_reg_get32(bgep, NVM_SW_ARBITRATION_REG); 1580 bge_reg_put32(bgep, NVM_SW_ARBITRATION_REG, NVM_SET_REQ); 1581 1582 for (tries = 0; tries < 50; ++tries) { 1583 regval = bge_reg_get32(bgep, NVM_SW_ARBITRATION_REG); 1584 if (regval & NVM_WON_REQ1) 1585 break; 1586 drv_usecwait(1); 1587 } 1588 1589 if (regval & NVM_WON_REQ1) { 1590 BGE_DEBUG(("bge_nvmem_acquire: won after %d us", tries)); 1591 return (0); 1592 } 1593 1594 /* 1595 * Somebody else must be accessing the NVmem, so abandon our 1596 * attempt take control of it. The caller can try again later ... 1597 */ 1598 BGE_DEBUG(("bge_nvmem_acquire: lost after %d us", tries)); 1599 bge_nvmem_relinquish(bgep); 1600 return (EAGAIN); 1601 } 1602 1603 /* 1604 * This code assumes that the GPIO1 bit has been wired up to the NVmem 1605 * write protect line in such a way that the NVmem is protected when 1606 * GPIO1 is an input, or is an output but driven high. Thus, to make the 1607 * NVmem writable we have to change GPIO1 to an output AND drive it low. 1608 * 1609 * Note: there's only one set of GPIO pins on a 5704, even though they 1610 * can be accessed through either port. So the chip has to resolve what 1611 * happens if the two ports program a single pin differently ... the rule 1612 * it uses is that if the ports disagree about the *direction* of a pin, 1613 * "output" wins over "input", but if they disagree about its *value* as 1614 * an output, then the pin is TRISTATED instead! In such a case, no-one 1615 * wins, and the external signal does whatever the external circuitry 1616 * defines as the default -- which we've assumed is the PROTECTED state. 1617 * So, we always change GPIO1 back to being an *input* whenever we're not 1618 * specifically using it to unprotect the NVmem. This allows either port 1619 * to update the NVmem, although obviously only one at a time! 1620 * 1621 * The caller should hold <genlock> and *also* have already acquired the 1622 * right to access the NVmem, via bge_nvmem_acquire() above. 1623 */ 1624 static void bge_nvmem_protect(bge_t *bgep, boolean_t protect); 1625 #pragma inline(bge_nvmem_protect) 1626 1627 static void 1628 bge_nvmem_protect(bge_t *bgep, boolean_t protect) 1629 { 1630 uint32_t regval; 1631 1632 ASSERT(mutex_owned(bgep->genlock)); 1633 1634 regval = bge_reg_get32(bgep, MISC_LOCAL_CONTROL_REG); 1635 if (protect) { 1636 regval |= MLCR_MISC_PINS_OUTPUT_1; 1637 regval &= ~MLCR_MISC_PINS_OUTPUT_ENABLE_1; 1638 } else { 1639 regval &= ~MLCR_MISC_PINS_OUTPUT_1; 1640 regval |= MLCR_MISC_PINS_OUTPUT_ENABLE_1; 1641 } 1642 bge_reg_put32(bgep, MISC_LOCAL_CONTROL_REG, regval); 1643 } 1644 1645 /* 1646 * Now put it all together ... 1647 * 1648 * Try to acquire control of the NVmem; if successful, then: 1649 * unprotect it (if we want to write to it) 1650 * perform the requested access 1651 * reprotect it (after a write) 1652 * relinquish control 1653 * 1654 * Return value: 1655 * 0 on success, 1656 * EAGAIN if the device is in use (retryable) 1657 * ENODATA on access timeout (maybe retryable: device may just be busy) 1658 * ENODEV if the NVmem device is missing or otherwise unusable 1659 * EPROTO on other h/w or s/w errors. 1660 */ 1661 static int 1662 bge_nvmem_rw32(bge_t *bgep, uint32_t cmd, bge_regno_t addr, uint32_t *dp) 1663 { 1664 int err; 1665 1666 if ((err = bge_nvmem_acquire(bgep)) == 0) { 1667 switch (cmd) { 1668 case BGE_SEE_READ: 1669 err = bge_seeprom_access(bgep, 1670 SEEPROM_ACCESS_READ, addr, dp); 1671 break; 1672 1673 case BGE_SEE_WRITE: 1674 bge_nvmem_protect(bgep, B_FALSE); 1675 err = bge_seeprom_access(bgep, 1676 SEEPROM_ACCESS_WRITE, addr, dp); 1677 bge_nvmem_protect(bgep, B_TRUE); 1678 break; 1679 1680 case BGE_FLASH_READ: 1681 if (DEVICE_5721_SERIES_CHIPSETS(bgep) || 1682 DEVICE_5723_SERIES_CHIPSETS(bgep) || 1683 DEVICE_5714_SERIES_CHIPSETS(bgep)) { 1684 bge_reg_set32(bgep, NVM_ACCESS_REG, 1685 NVM_ACCESS_ENABLE); 1686 } 1687 err = bge_flash_access(bgep, 1688 NVM_FLASH_CMD_RD, addr, dp); 1689 if (DEVICE_5721_SERIES_CHIPSETS(bgep) || 1690 DEVICE_5723_SERIES_CHIPSETS(bgep) || 1691 DEVICE_5714_SERIES_CHIPSETS(bgep)) { 1692 bge_reg_clr32(bgep, NVM_ACCESS_REG, 1693 NVM_ACCESS_ENABLE); 1694 } 1695 break; 1696 1697 case BGE_FLASH_WRITE: 1698 if (DEVICE_5721_SERIES_CHIPSETS(bgep) || 1699 DEVICE_5723_SERIES_CHIPSETS(bgep) || 1700 DEVICE_5714_SERIES_CHIPSETS(bgep)) { 1701 bge_reg_set32(bgep, NVM_ACCESS_REG, 1702 NVM_WRITE_ENABLE|NVM_ACCESS_ENABLE); 1703 } 1704 bge_nvmem_protect(bgep, B_FALSE); 1705 err = bge_flash_access(bgep, 1706 NVM_FLASH_CMD_WR, addr, dp); 1707 bge_nvmem_protect(bgep, B_TRUE); 1708 if (DEVICE_5721_SERIES_CHIPSETS(bgep) || 1709 DEVICE_5723_SERIES_CHIPSETS(bgep) || 1710 DEVICE_5714_SERIES_CHIPSETS(bgep)) { 1711 bge_reg_clr32(bgep, NVM_ACCESS_REG, 1712 NVM_WRITE_ENABLE|NVM_ACCESS_ENABLE); 1713 } 1714 1715 break; 1716 1717 default: 1718 _NOTE(NOTREACHED) 1719 break; 1720 } 1721 bge_nvmem_relinquish(bgep); 1722 } 1723 1724 BGE_DEBUG(("bge_nvmem_rw32: err %d", err)); 1725 return (err); 1726 } 1727 1728 /* 1729 * Attempt to get a MAC address from the SEEPROM or Flash, if any 1730 */ 1731 static uint64_t bge_get_nvmac(bge_t *bgep); 1732 #pragma no_inline(bge_get_nvmac) 1733 1734 static uint64_t 1735 bge_get_nvmac(bge_t *bgep) 1736 { 1737 uint32_t mac_high; 1738 uint32_t mac_low; 1739 uint32_t addr; 1740 uint32_t cmd; 1741 uint64_t mac; 1742 1743 BGE_TRACE(("bge_get_nvmac($%p)", 1744 (void *)bgep)); 1745 1746 switch (bgep->chipid.nvtype) { 1747 case BGE_NVTYPE_NONE: 1748 case BGE_NVTYPE_UNKNOWN: 1749 default: 1750 return (0ULL); 1751 1752 case BGE_NVTYPE_SEEPROM: 1753 case BGE_NVTYPE_LEGACY_SEEPROM: 1754 cmd = BGE_SEE_READ; 1755 break; 1756 1757 case BGE_NVTYPE_UNBUFFERED_FLASH: 1758 case BGE_NVTYPE_BUFFERED_FLASH: 1759 cmd = BGE_FLASH_READ; 1760 break; 1761 } 1762 1763 if (DEVICE_5906_SERIES_CHIPSETS(bgep)) 1764 addr = NVMEM_DATA_MAC_ADDRESS_5906; 1765 else 1766 addr = NVMEM_DATA_MAC_ADDRESS; 1767 1768 if (bge_nvmem_rw32(bgep, cmd, addr, &mac_high)) 1769 return (0ULL); 1770 addr += 4; 1771 if (bge_nvmem_rw32(bgep, cmd, addr, &mac_low)) 1772 return (0ULL); 1773 1774 /* 1775 * The Broadcom chip is natively BIG-endian, so that's how the 1776 * MAC address is represented in NVmem. We may need to swap it 1777 * around on a little-endian host ... 1778 */ 1779 #ifdef _BIG_ENDIAN 1780 mac = mac_high; 1781 mac = mac << 32; 1782 mac |= mac_low; 1783 #else 1784 mac = BGE_BSWAP_32(mac_high); 1785 mac = mac << 32; 1786 mac |= BGE_BSWAP_32(mac_low); 1787 #endif /* _BIG_ENDIAN */ 1788 1789 return (mac); 1790 } 1791 1792 #else /* BGE_SEE_IO32 || BGE_FLASH_IO32 */ 1793 1794 /* 1795 * Dummy version for when we're not supporting NVmem access 1796 */ 1797 static uint64_t bge_get_nvmac(bge_t *bgep); 1798 #pragma inline(bge_get_nvmac) 1799 1800 static uint64_t 1801 bge_get_nvmac(bge_t *bgep) 1802 { 1803 _NOTE(ARGUNUSED(bgep)) 1804 return (0ULL); 1805 } 1806 1807 #endif /* BGE_SEE_IO32 || BGE_FLASH_IO32 */ 1808 1809 /* 1810 * Determine the type of NVmem that is (or may be) attached to this chip, 1811 */ 1812 static enum bge_nvmem_type bge_nvmem_id(bge_t *bgep); 1813 #pragma no_inline(bge_nvmem_id) 1814 1815 static enum bge_nvmem_type 1816 bge_nvmem_id(bge_t *bgep) 1817 { 1818 enum bge_nvmem_type nvtype; 1819 uint32_t config1; 1820 1821 BGE_TRACE(("bge_nvmem_id($%p)", 1822 (void *)bgep)); 1823 1824 switch (bgep->chipid.device) { 1825 default: 1826 /* 1827 * We shouldn't get here; it means we don't recognise 1828 * the chip, which means we don't know how to determine 1829 * what sort of NVmem (if any) it has. So we'll say 1830 * NONE, to disable the NVmem access code ... 1831 */ 1832 nvtype = BGE_NVTYPE_NONE; 1833 break; 1834 1835 case DEVICE_ID_5700: 1836 case DEVICE_ID_5700x: 1837 case DEVICE_ID_5701: 1838 /* 1839 * These devices support *only* SEEPROMs 1840 */ 1841 nvtype = BGE_NVTYPE_SEEPROM; 1842 break; 1843 1844 case DEVICE_ID_5702: 1845 case DEVICE_ID_5702fe: 1846 case DEVICE_ID_5703C: 1847 case DEVICE_ID_5703S: 1848 case DEVICE_ID_5704C: 1849 case DEVICE_ID_5704S: 1850 case DEVICE_ID_5704: 1851 case DEVICE_ID_5705M: 1852 case DEVICE_ID_5705C: 1853 case DEVICE_ID_5705_2: 1854 case DEVICE_ID_5780: 1855 case DEVICE_ID_5782: 1856 case DEVICE_ID_5787: 1857 case DEVICE_ID_5787M: 1858 case DEVICE_ID_5788: 1859 case DEVICE_ID_5789: 1860 case DEVICE_ID_5751: 1861 case DEVICE_ID_5751M: 1862 case DEVICE_ID_5752: 1863 case DEVICE_ID_5752M: 1864 case DEVICE_ID_5754: 1865 case DEVICE_ID_5755: 1866 case DEVICE_ID_5755M: 1867 case DEVICE_ID_5756M: 1868 case DEVICE_ID_5721: 1869 case DEVICE_ID_5722: 1870 case DEVICE_ID_5723: 1871 case DEVICE_ID_5761: 1872 case DEVICE_ID_5761E: 1873 case DEVICE_ID_5714C: 1874 case DEVICE_ID_5714S: 1875 case DEVICE_ID_5715C: 1876 case DEVICE_ID_5715S: 1877 config1 = bge_reg_get32(bgep, NVM_CONFIG1_REG); 1878 if (config1 & NVM_CFG1_FLASH_MODE) 1879 if (config1 & NVM_CFG1_BUFFERED_MODE) 1880 nvtype = BGE_NVTYPE_BUFFERED_FLASH; 1881 else 1882 nvtype = BGE_NVTYPE_UNBUFFERED_FLASH; 1883 else 1884 nvtype = BGE_NVTYPE_LEGACY_SEEPROM; 1885 break; 1886 case DEVICE_ID_5906: 1887 case DEVICE_ID_5906M: 1888 nvtype = BGE_NVTYPE_BUFFERED_FLASH; 1889 break; 1890 } 1891 1892 return (nvtype); 1893 } 1894 1895 #undef BGE_DBG 1896 #define BGE_DBG BGE_DBG_CHIP /* debug flag for this code */ 1897 1898 static void 1899 bge_init_recv_rule(bge_t *bgep) 1900 { 1901 bge_recv_rule_t *rulep = bgep->recv_rules; 1902 uint32_t i; 1903 1904 /* 1905 * Initialize receive rule registers. 1906 * Note that rules may persist across each bge_m_start/stop() call. 1907 */ 1908 for (i = 0; i < RECV_RULES_NUM_MAX; i++, rulep++) { 1909 bge_reg_put32(bgep, RECV_RULE_MASK_REG(i), rulep->mask_value); 1910 bge_reg_put32(bgep, RECV_RULE_CONTROL_REG(i), rulep->control); 1911 } 1912 } 1913 1914 /* 1915 * Using the values captured by bge_chip_cfg_init(), and additional probes 1916 * as required, characterise the chip fully: determine the label by which 1917 * to refer to this chip, the correct settings for various registers, and 1918 * of course whether the device and/or subsystem are supported! 1919 */ 1920 int bge_chip_id_init(bge_t *bgep); 1921 #pragma no_inline(bge_chip_id_init) 1922 1923 int 1924 bge_chip_id_init(bge_t *bgep) 1925 { 1926 char buf[MAXPATHLEN]; /* any risk of stack overflow? */ 1927 boolean_t sys_ok; 1928 boolean_t dev_ok; 1929 chip_id_t *cidp; 1930 uint32_t subid; 1931 char *devname; 1932 char *sysname; 1933 int *ids; 1934 int err; 1935 uint_t i; 1936 1937 sys_ok = dev_ok = B_FALSE; 1938 cidp = &bgep->chipid; 1939 1940 /* 1941 * Check the PCI device ID to determine the generic chip type and 1942 * select parameters that depend on this. 1943 * 1944 * Note: because the SPARC platforms in general don't fit the 1945 * SEEPROM 'behind' the chip, the PCI revision ID register reads 1946 * as zero - which is why we use <asic_rev> rather than <revision> 1947 * below ... 1948 * 1949 * Note: in general we can't distinguish between the Copper/SerDes 1950 * versions by ID alone, as some Copper devices (e.g. some but not 1951 * all 5703Cs) have the same ID as the SerDes equivalents. So we 1952 * treat them the same here, and the MII code works out the media 1953 * type later on ... 1954 */ 1955 cidp->mbuf_base = bge_mbuf_pool_base; 1956 cidp->mbuf_length = bge_mbuf_pool_len; 1957 cidp->recv_slots = BGE_RECV_SLOTS_USED; 1958 cidp->bge_dma_rwctrl = bge_dma_rwctrl; 1959 cidp->pci_type = BGE_PCI_X; 1960 cidp->statistic_type = BGE_STAT_BLK; 1961 cidp->mbuf_lo_water_rdma = bge_mbuf_lo_water_rdma; 1962 cidp->mbuf_lo_water_rmac = bge_mbuf_lo_water_rmac; 1963 cidp->mbuf_hi_water = bge_mbuf_hi_water; 1964 cidp->rx_ticks_norm = bge_rx_ticks_norm; 1965 cidp->rx_count_norm = bge_rx_count_norm; 1966 cidp->tx_ticks_norm = bge_tx_ticks_norm; 1967 cidp->tx_count_norm = bge_tx_count_norm; 1968 1969 if (cidp->rx_rings == 0 || cidp->rx_rings > BGE_RECV_RINGS_MAX) 1970 cidp->rx_rings = BGE_RECV_RINGS_DEFAULT; 1971 if (cidp->tx_rings == 0 || cidp->tx_rings > BGE_SEND_RINGS_MAX) 1972 cidp->tx_rings = BGE_SEND_RINGS_DEFAULT; 1973 1974 cidp->msi_enabled = B_FALSE; 1975 1976 switch (cidp->device) { 1977 case DEVICE_ID_5700: 1978 case DEVICE_ID_5700x: 1979 cidp->chip_label = 5700; 1980 cidp->flags |= CHIP_FLAG_PARTIAL_CSUM; 1981 break; 1982 1983 case DEVICE_ID_5701: 1984 cidp->chip_label = 5701; 1985 dev_ok = B_TRUE; 1986 cidp->flags |= CHIP_FLAG_PARTIAL_CSUM; 1987 break; 1988 1989 case DEVICE_ID_5702: 1990 case DEVICE_ID_5702fe: 1991 cidp->chip_label = 5702; 1992 dev_ok = B_TRUE; 1993 cidp->flags |= CHIP_FLAG_PARTIAL_CSUM; 1994 cidp->pci_type = BGE_PCI; 1995 break; 1996 1997 case DEVICE_ID_5703C: 1998 case DEVICE_ID_5703S: 1999 case DEVICE_ID_5703: 2000 /* 2001 * Revision A0 of the 5703/5793 had various errata 2002 * that we can't or don't work around, so it's not 2003 * supported, but all later versions are 2004 */ 2005 cidp->chip_label = cidp->subven == VENDOR_ID_SUN ? 5793 : 5703; 2006 if (bgep->chipid.asic_rev != MHCR_CHIP_REV_5703_A0) 2007 dev_ok = B_TRUE; 2008 cidp->flags |= CHIP_FLAG_PARTIAL_CSUM; 2009 break; 2010 2011 case DEVICE_ID_5704C: 2012 case DEVICE_ID_5704S: 2013 case DEVICE_ID_5704: 2014 cidp->chip_label = cidp->subven == VENDOR_ID_SUN ? 5794 : 5704; 2015 cidp->mbuf_base = bge_mbuf_pool_base_5704; 2016 cidp->mbuf_length = bge_mbuf_pool_len_5704; 2017 dev_ok = B_TRUE; 2018 cidp->flags |= CHIP_FLAG_PARTIAL_CSUM; 2019 break; 2020 2021 case DEVICE_ID_5705C: 2022 case DEVICE_ID_5705M: 2023 case DEVICE_ID_5705MA3: 2024 case DEVICE_ID_5705F: 2025 case DEVICE_ID_5705_2: 2026 case DEVICE_ID_5754: 2027 if (cidp->device == DEVICE_ID_5754) { 2028 cidp->chip_label = 5754; 2029 cidp->pci_type = BGE_PCI_E; 2030 } else { 2031 cidp->chip_label = 5705; 2032 cidp->pci_type = BGE_PCI; 2033 } 2034 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2035 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2036 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2037 cidp->mbuf_base = bge_mbuf_pool_base_5705; 2038 cidp->mbuf_length = bge_mbuf_pool_len_5705; 2039 cidp->recv_slots = BGE_RECV_SLOTS_5705; 2040 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2041 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2042 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2043 cidp->flags |= CHIP_FLAG_PARTIAL_CSUM; 2044 cidp->statistic_type = BGE_STAT_REG; 2045 dev_ok = B_TRUE; 2046 break; 2047 2048 case DEVICE_ID_5906: 2049 case DEVICE_ID_5906M: 2050 cidp->chip_label = 5906; 2051 cidp->pci_type = BGE_PCI_E; 2052 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5906; 2053 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5906; 2054 cidp->mbuf_hi_water = MBUF_HIWAT_5906; 2055 cidp->mbuf_base = bge_mbuf_pool_base; 2056 cidp->mbuf_length = bge_mbuf_pool_len; 2057 cidp->recv_slots = BGE_RECV_SLOTS_5705; 2058 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2059 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2060 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2061 cidp->statistic_type = BGE_STAT_REG; 2062 dev_ok = B_TRUE; 2063 break; 2064 2065 case DEVICE_ID_5753: 2066 cidp->chip_label = 5753; 2067 cidp->pci_type = BGE_PCI_E; 2068 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2069 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2070 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2071 cidp->mbuf_base = bge_mbuf_pool_base_5705; 2072 cidp->mbuf_length = bge_mbuf_pool_len_5705; 2073 cidp->recv_slots = BGE_RECV_SLOTS_5705; 2074 cidp->bge_mlcr_default |= MLCR_MISC_PINS_OUTPUT_ENABLE_1; 2075 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2076 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2077 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2078 cidp->statistic_type = BGE_STAT_REG; 2079 dev_ok = B_TRUE; 2080 break; 2081 2082 case DEVICE_ID_5755: 2083 case DEVICE_ID_5755M: 2084 cidp->chip_label = 5755; 2085 cidp->pci_type = BGE_PCI_E; 2086 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2087 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2088 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2089 cidp->mbuf_base = bge_mbuf_pool_base_5705; 2090 cidp->mbuf_length = bge_mbuf_pool_len_5705; 2091 cidp->recv_slots = BGE_RECV_SLOTS_5705; 2092 cidp->bge_mlcr_default |= MLCR_MISC_PINS_OUTPUT_ENABLE_1; 2093 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2094 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2095 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2096 cidp->flags |= CHIP_FLAG_PARTIAL_CSUM; 2097 cidp->statistic_type = BGE_STAT_REG; 2098 dev_ok = B_TRUE; 2099 break; 2100 2101 case DEVICE_ID_5756M: 2102 /* 2103 * This is nearly identical to the 5755M. 2104 * (Actually reports the 5755 chip ID.) 2105 */ 2106 cidp->chip_label = 5756; 2107 cidp->pci_type = BGE_PCI_E; 2108 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2109 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2110 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2111 cidp->mbuf_base = bge_mbuf_pool_base_5705; 2112 cidp->mbuf_length = bge_mbuf_pool_len_5705; 2113 cidp->recv_slots = BGE_RECV_SLOTS_5705; 2114 cidp->bge_mlcr_default |= MLCR_MISC_PINS_OUTPUT_ENABLE_1; 2115 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2116 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2117 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2118 cidp->statistic_type = BGE_STAT_REG; 2119 dev_ok = B_TRUE; 2120 break; 2121 2122 case DEVICE_ID_5787: 2123 case DEVICE_ID_5787M: 2124 cidp->chip_label = 5787; 2125 cidp->pci_type = BGE_PCI_E; 2126 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2127 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2128 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2129 cidp->mbuf_base = bge_mbuf_pool_base_5705; 2130 cidp->mbuf_length = bge_mbuf_pool_len_5705; 2131 cidp->recv_slots = BGE_RECV_SLOTS_5705; 2132 cidp->bge_mlcr_default |= MLCR_MISC_PINS_OUTPUT_ENABLE_1; 2133 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2134 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2135 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2136 cidp->statistic_type = BGE_STAT_REG; 2137 dev_ok = B_TRUE; 2138 break; 2139 2140 case DEVICE_ID_5723: 2141 case DEVICE_ID_5761: 2142 case DEVICE_ID_5761E: 2143 cidp->chip_label = cidp->device == DEVICE_ID_5723 ? 5723: 5761; 2144 cidp->bge_dma_rwctrl = bge_dma_rwctrl_5721; 2145 cidp->msi_enabled = bge_enable_msi; 2146 cidp->pci_type = BGE_PCI_E; 2147 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2148 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2149 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2150 cidp->mbuf_base = bge_mbuf_pool_base_5705; 2151 cidp->mbuf_length = bge_mbuf_pool_len_5705; 2152 cidp->recv_slots = BGE_RECV_SLOTS_5705; 2153 cidp->bge_mlcr_default |= MLCR_MISC_PINS_OUTPUT_ENABLE_1; 2154 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2155 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2156 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2157 cidp->statistic_type = BGE_STAT_REG; 2158 dev_ok = B_TRUE; 2159 break; 2160 2161 /* PCI-X device, identical to 5714 */ 2162 case DEVICE_ID_5780: 2163 cidp->chip_label = 5780; 2164 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2165 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2166 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2167 cidp->mbuf_base = bge_mbuf_pool_base_5721; 2168 cidp->mbuf_length = bge_mbuf_pool_len_5721; 2169 cidp->recv_slots = BGE_RECV_SLOTS_5721; 2170 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2171 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2172 cidp->statistic_type = BGE_STAT_REG; 2173 dev_ok = B_TRUE; 2174 break; 2175 2176 case DEVICE_ID_5782: 2177 /* 2178 * Apart from the label, we treat this as a 5705(?) 2179 */ 2180 cidp->chip_label = 5782; 2181 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2182 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2183 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2184 cidp->mbuf_base = bge_mbuf_pool_base_5705; 2185 cidp->mbuf_length = bge_mbuf_pool_len_5705; 2186 cidp->recv_slots = BGE_RECV_SLOTS_5705; 2187 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2188 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2189 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2190 cidp->flags |= CHIP_FLAG_PARTIAL_CSUM; 2191 cidp->statistic_type = BGE_STAT_REG; 2192 dev_ok = B_TRUE; 2193 break; 2194 2195 case DEVICE_ID_5788: 2196 /* 2197 * Apart from the label, we treat this as a 5705(?) 2198 */ 2199 cidp->chip_label = 5788; 2200 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2201 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2202 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2203 cidp->mbuf_base = bge_mbuf_pool_base_5705; 2204 cidp->mbuf_length = bge_mbuf_pool_len_5705; 2205 cidp->recv_slots = BGE_RECV_SLOTS_5705; 2206 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2207 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2208 cidp->statistic_type = BGE_STAT_REG; 2209 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2210 dev_ok = B_TRUE; 2211 break; 2212 2213 case DEVICE_ID_5714C: 2214 if (cidp->revision >= REVISION_ID_5714_A2) 2215 cidp->msi_enabled = bge_enable_msi; 2216 /* FALLTHRU */ 2217 case DEVICE_ID_5714S: 2218 cidp->chip_label = 5714; 2219 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2220 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2221 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2222 cidp->mbuf_base = bge_mbuf_pool_base_5721; 2223 cidp->mbuf_length = bge_mbuf_pool_len_5721; 2224 cidp->recv_slots = BGE_RECV_SLOTS_5721; 2225 cidp->bge_dma_rwctrl = bge_dma_rwctrl_5714; 2226 cidp->bge_mlcr_default = bge_mlcr_default_5714; 2227 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2228 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2229 cidp->pci_type = BGE_PCI_E; 2230 cidp->statistic_type = BGE_STAT_REG; 2231 dev_ok = B_TRUE; 2232 break; 2233 2234 case DEVICE_ID_5715C: 2235 case DEVICE_ID_5715S: 2236 cidp->chip_label = 5715; 2237 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2238 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2239 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2240 cidp->mbuf_base = bge_mbuf_pool_base_5721; 2241 cidp->mbuf_length = bge_mbuf_pool_len_5721; 2242 cidp->recv_slots = BGE_RECV_SLOTS_5721; 2243 cidp->bge_dma_rwctrl = bge_dma_rwctrl_5715; 2244 cidp->bge_mlcr_default = bge_mlcr_default_5714; 2245 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2246 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2247 cidp->pci_type = BGE_PCI_E; 2248 cidp->statistic_type = BGE_STAT_REG; 2249 if (cidp->revision >= REVISION_ID_5715_A2) 2250 cidp->msi_enabled = bge_enable_msi; 2251 dev_ok = B_TRUE; 2252 break; 2253 2254 case DEVICE_ID_5721: 2255 cidp->chip_label = 5721; 2256 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2257 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2258 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2259 cidp->mbuf_base = bge_mbuf_pool_base_5721; 2260 cidp->mbuf_length = bge_mbuf_pool_len_5721; 2261 cidp->recv_slots = BGE_RECV_SLOTS_5721; 2262 cidp->bge_dma_rwctrl = bge_dma_rwctrl_5721; 2263 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2264 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2265 cidp->pci_type = BGE_PCI_E; 2266 cidp->statistic_type = BGE_STAT_REG; 2267 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2268 dev_ok = B_TRUE; 2269 break; 2270 2271 case DEVICE_ID_5722: 2272 cidp->chip_label = 5722; 2273 cidp->pci_type = BGE_PCI_E; 2274 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2275 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2276 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2277 cidp->mbuf_base = bge_mbuf_pool_base_5705; 2278 cidp->mbuf_length = bge_mbuf_pool_len_5705; 2279 cidp->recv_slots = BGE_RECV_SLOTS_5705; 2280 cidp->bge_mlcr_default |= MLCR_MISC_PINS_OUTPUT_ENABLE_1; 2281 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2282 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2283 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2284 cidp->statistic_type = BGE_STAT_REG; 2285 dev_ok = B_TRUE; 2286 break; 2287 2288 case DEVICE_ID_5751: 2289 case DEVICE_ID_5751M: 2290 cidp->chip_label = 5751; 2291 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2292 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2293 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2294 cidp->mbuf_base = bge_mbuf_pool_base_5721; 2295 cidp->mbuf_length = bge_mbuf_pool_len_5721; 2296 cidp->recv_slots = BGE_RECV_SLOTS_5721; 2297 cidp->bge_dma_rwctrl = bge_dma_rwctrl_5721; 2298 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2299 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2300 cidp->pci_type = BGE_PCI_E; 2301 cidp->statistic_type = BGE_STAT_REG; 2302 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2303 dev_ok = B_TRUE; 2304 break; 2305 2306 case DEVICE_ID_5752: 2307 case DEVICE_ID_5752M: 2308 cidp->chip_label = 5752; 2309 cidp->mbuf_lo_water_rdma = RDMA_MBUF_LOWAT_5705; 2310 cidp->mbuf_lo_water_rmac = MAC_RX_MBUF_LOWAT_5705; 2311 cidp->mbuf_hi_water = MBUF_HIWAT_5705; 2312 cidp->mbuf_base = bge_mbuf_pool_base_5721; 2313 cidp->mbuf_length = bge_mbuf_pool_len_5721; 2314 cidp->recv_slots = BGE_RECV_SLOTS_5721; 2315 cidp->bge_dma_rwctrl = bge_dma_rwctrl_5721; 2316 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2317 cidp->tx_rings = BGE_SEND_RINGS_MAX_5705; 2318 cidp->pci_type = BGE_PCI_E; 2319 cidp->statistic_type = BGE_STAT_REG; 2320 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2321 dev_ok = B_TRUE; 2322 break; 2323 2324 case DEVICE_ID_5789: 2325 cidp->chip_label = 5789; 2326 cidp->mbuf_base = bge_mbuf_pool_base_5721; 2327 cidp->mbuf_length = bge_mbuf_pool_len_5721; 2328 cidp->recv_slots = BGE_RECV_SLOTS_5721; 2329 cidp->bge_dma_rwctrl = bge_dma_rwctrl_5721; 2330 cidp->rx_rings = BGE_RECV_RINGS_MAX_5705; 2331 cidp->tx_rings = BGE_RECV_RINGS_MAX_5705; 2332 cidp->pci_type = BGE_PCI_E; 2333 cidp->statistic_type = BGE_STAT_REG; 2334 cidp->flags |= CHIP_FLAG_PARTIAL_CSUM; 2335 cidp->flags |= CHIP_FLAG_NO_JUMBO; 2336 cidp->msi_enabled = B_TRUE; 2337 dev_ok = B_TRUE; 2338 break; 2339 2340 } 2341 2342 /* 2343 * Setup the default jumbo parameter. 2344 */ 2345 cidp->ethmax_size = ETHERMAX; 2346 cidp->snd_buff_size = BGE_SEND_BUFF_SIZE_DEFAULT; 2347 cidp->std_buf_size = BGE_STD_BUFF_SIZE; 2348 2349 /* 2350 * If jumbo is enabled and this kind of chipset supports jumbo feature, 2351 * setup below jumbo specific parameters. 2352 * 2353 * For BCM5714/5715, there is only one standard receive ring. So the 2354 * std buffer size should be set to BGE_JUMBO_BUFF_SIZE when jumbo 2355 * feature is enabled. 2356 */ 2357 if (!(cidp->flags & CHIP_FLAG_NO_JUMBO) && 2358 (cidp->default_mtu > BGE_DEFAULT_MTU) && 2359 (cidp->default_mtu <= BGE_MAXIMUM_MTU)) { 2360 if (DEVICE_5714_SERIES_CHIPSETS(bgep)) { 2361 cidp->mbuf_lo_water_rdma = 2362 RDMA_MBUF_LOWAT_5714_JUMBO; 2363 cidp->mbuf_lo_water_rmac = 2364 MAC_RX_MBUF_LOWAT_5714_JUMBO; 2365 cidp->mbuf_hi_water = MBUF_HIWAT_5714_JUMBO; 2366 cidp->jumbo_slots = 0; 2367 cidp->std_buf_size = BGE_JUMBO_BUFF_SIZE; 2368 } else { 2369 cidp->mbuf_lo_water_rdma = 2370 RDMA_MBUF_LOWAT_JUMBO; 2371 cidp->mbuf_lo_water_rmac = 2372 MAC_RX_MBUF_LOWAT_JUMBO; 2373 cidp->mbuf_hi_water = MBUF_HIWAT_JUMBO; 2374 cidp->jumbo_slots = BGE_JUMBO_SLOTS_USED; 2375 } 2376 cidp->recv_jumbo_size = BGE_JUMBO_BUFF_SIZE; 2377 cidp->snd_buff_size = BGE_SEND_BUFF_SIZE_JUMBO; 2378 cidp->ethmax_size = cidp->default_mtu + 2379 sizeof (struct ether_header); 2380 } 2381 2382 /* 2383 * Identify the NV memory type: SEEPROM or Flash? 2384 */ 2385 cidp->nvtype = bge_nvmem_id(bgep); 2386 2387 /* 2388 * Now, we want to check whether this device is part of a 2389 * supported subsystem (e.g., on the motherboard of a Sun 2390 * branded platform). 2391 * 2392 * Rule 1: If the Subsystem Vendor ID is "Sun", then it's OK ;-) 2393 */ 2394 if (cidp->subven == VENDOR_ID_SUN) 2395 sys_ok = B_TRUE; 2396 2397 /* 2398 * Rule 2: If it's on the list on known subsystems, then it's OK. 2399 * Note: 0x14e41647 should *not* appear in the list, but the code 2400 * doesn't enforce that. 2401 */ 2402 err = ddi_prop_lookup_int_array(DDI_DEV_T_ANY, bgep->devinfo, 2403 DDI_PROP_DONTPASS, knownids_propname, &ids, &i); 2404 if (err == DDI_PROP_SUCCESS) { 2405 /* 2406 * Got the list; scan for a matching subsystem vendor/device 2407 */ 2408 subid = (cidp->subven << 16) | cidp->subdev; 2409 while (i--) 2410 if (ids[i] == subid) 2411 sys_ok = B_TRUE; 2412 ddi_prop_free(ids); 2413 } 2414 2415 /* 2416 * Rule 3: If it's a Taco/ENWS motherboard device, then it's OK 2417 * 2418 * Unfortunately, early SunBlade 1500s and 2500s didn't reprogram 2419 * the Subsystem Vendor ID, so it defaults to Broadcom. Therefore, 2420 * we have to check specially for the exact device paths to the 2421 * motherboard devices on those platforms ;-( 2422 * 2423 * Note: we can't just use the "supported-subsystems" mechanism 2424 * above, because the entry would have to be 0x14e41647 -- which 2425 * would then accept *any* plugin card that *didn't* contain a 2426 * (valid) SEEPROM ;-( 2427 */ 2428 sysname = ddi_node_name(ddi_root_node()); 2429 devname = ddi_pathname(bgep->devinfo, buf); 2430 ASSERT(strlen(devname) > 0); 2431 if (strcmp(sysname, "SUNW,Sun-Blade-1500") == 0) /* Taco */ 2432 if (strcmp(devname, "/pci@1f,700000/network@2") == 0) 2433 sys_ok = B_TRUE; 2434 if (strcmp(sysname, "SUNW,Sun-Blade-2500") == 0) /* ENWS */ 2435 if (strcmp(devname, "/pci@1c,600000/network@3") == 0) 2436 sys_ok = B_TRUE; 2437 2438 /* 2439 * Now check what we've discovered: is this truly a supported 2440 * chip on (the motherboard of) a supported platform? 2441 * 2442 * Possible problems here: 2443 * 1) it's a completely unheard-of chip 2444 * 2) it's a recognised but unsupported chip (e.g. 5701, 5703C-A0) 2445 * 3) it's a chip we would support if it were on the motherboard 2446 * of a Sun platform, but this one isn't ;-( 2447 */ 2448 if (cidp->chip_label == 0) 2449 bge_problem(bgep, 2450 "Device 'pci%04x,%04x' not recognized (%d?)", 2451 cidp->vendor, cidp->device, cidp->device); 2452 else if (!dev_ok) 2453 bge_problem(bgep, 2454 "Device 'pci%04x,%04x' (%d) revision %d not supported", 2455 cidp->vendor, cidp->device, cidp->chip_label, 2456 cidp->revision); 2457 #if BGE_DEBUGGING 2458 else if (!sys_ok) 2459 bge_problem(bgep, 2460 "%d-based subsystem 'pci%04x,%04x' not validated", 2461 cidp->chip_label, cidp->subven, cidp->subdev); 2462 #endif 2463 else 2464 cidp->flags |= CHIP_FLAG_SUPPORTED; 2465 if (bge_check_acc_handle(bgep, bgep->io_handle) != DDI_FM_OK) 2466 return (EIO); 2467 return (0); 2468 } 2469 2470 void 2471 bge_chip_msi_trig(bge_t *bgep) 2472 { 2473 uint32_t regval; 2474 2475 regval = bgep->param_msi_cnt<<4; 2476 bge_reg_set32(bgep, HOST_COALESCE_MODE_REG, regval); 2477 BGE_DEBUG(("bge_chip_msi_trig:data = %d", regval)); 2478 } 2479 2480 /* 2481 * Various registers that control the chip's internal engines (state 2482 * machines) have a <reset> and <enable> bits (fortunately, in the 2483 * same place in each such register :-). 2484 * 2485 * To reset the state machine, the <reset> bit must be written with 1; 2486 * it will then read back as 1 while the reset is in progress, but 2487 * self-clear to 0 when the reset completes. 2488 * 2489 * To enable a state machine, one must set the <enable> bit, which 2490 * will continue to read back as 0 until the state machine is running. 2491 * 2492 * To disable a state machine, the <enable> bit must be cleared, but 2493 * it will continue to read back as 1 until the state machine actually 2494 * stops. 2495 * 2496 * This routine implements polling for completion of a reset, enable 2497 * or disable operation, returning B_TRUE on success (bit reached the 2498 * required state) or B_FALSE on timeout (200*100us == 20ms). 2499 */ 2500 static boolean_t bge_chip_poll_engine(bge_t *bgep, bge_regno_t regno, 2501 uint32_t mask, uint32_t val); 2502 #pragma no_inline(bge_chip_poll_engine) 2503 2504 static boolean_t 2505 bge_chip_poll_engine(bge_t *bgep, bge_regno_t regno, 2506 uint32_t mask, uint32_t val) 2507 { 2508 uint32_t regval; 2509 uint32_t n; 2510 2511 BGE_TRACE(("bge_chip_poll_engine($%p, 0x%lx, 0x%x, 0x%x)", 2512 (void *)bgep, regno, mask, val)); 2513 2514 for (n = 200; n; --n) { 2515 regval = bge_reg_get32(bgep, regno); 2516 if ((regval & mask) == val) 2517 return (B_TRUE); 2518 drv_usecwait(100); 2519 } 2520 2521 bge_fm_ereport(bgep, DDI_FM_DEVICE_NO_RESPONSE); 2522 return (B_FALSE); 2523 } 2524 2525 /* 2526 * Various registers that control the chip's internal engines (state 2527 * machines) have a <reset> bit (fortunately, in the same place in 2528 * each such register :-). To reset the state machine, this bit must 2529 * be written with 1; it will then read back as 1 while the reset is 2530 * in progress, but self-clear to 0 when the reset completes. 2531 * 2532 * This code sets the bit, then polls for it to read back as zero. 2533 * The return value is B_TRUE on success (reset bit cleared itself), 2534 * or B_FALSE if the state machine didn't recover :( 2535 * 2536 * NOTE: the Core reset is similar to other resets, except that we 2537 * can't poll for completion, since the Core reset disables memory 2538 * access! So we just have to assume that it will all complete in 2539 * 100us. See Broadcom document 570X-PG102-R, p102, steps 4-5. 2540 */ 2541 static boolean_t bge_chip_reset_engine(bge_t *bgep, bge_regno_t regno); 2542 #pragma no_inline(bge_chip_reset_engine) 2543 2544 static boolean_t 2545 bge_chip_reset_engine(bge_t *bgep, bge_regno_t regno) 2546 { 2547 uint32_t regval; 2548 uint32_t val32; 2549 2550 regval = bge_reg_get32(bgep, regno); 2551 2552 BGE_TRACE(("bge_chip_reset_engine($%p, 0x%lx)", 2553 (void *)bgep, regno)); 2554 BGE_DEBUG(("bge_chip_reset_engine: 0x%lx before reset = 0x%08x", 2555 regno, regval)); 2556 2557 regval |= STATE_MACHINE_RESET_BIT; 2558 2559 switch (regno) { 2560 case MISC_CONFIG_REG: 2561 /* 2562 * BCM5714/5721/5751 pcie chip special case. In order to avoid 2563 * resetting PCIE block and bringing PCIE link down, bit 29 2564 * in the register needs to be set first, and then set it again 2565 * while the reset bit is written. 2566 * See:P500 of 57xx-PG102-RDS.pdf. 2567 */ 2568 if (DEVICE_5705_SERIES_CHIPSETS(bgep)|| 2569 DEVICE_5721_SERIES_CHIPSETS(bgep)|| 2570 DEVICE_5723_SERIES_CHIPSETS(bgep)|| 2571 DEVICE_5714_SERIES_CHIPSETS(bgep)|| 2572 DEVICE_5906_SERIES_CHIPSETS(bgep)) { 2573 regval |= MISC_CONFIG_GPHY_POWERDOWN_OVERRIDE; 2574 if (bgep->chipid.pci_type == BGE_PCI_E) { 2575 if (bgep->chipid.asic_rev == 2576 MHCR_CHIP_REV_5751_A0 || 2577 bgep->chipid.asic_rev == 2578 MHCR_CHIP_REV_5721_A0 || 2579 bgep->chipid.asic_rev == 2580 MHCR_CHIP_REV_5755_A0) { 2581 val32 = bge_reg_get32(bgep, 2582 PHY_TEST_CTRL_REG); 2583 if (val32 == (PHY_PCIE_SCRAM_MODE | 2584 PHY_PCIE_LTASS_MODE)) 2585 bge_reg_put32(bgep, 2586 PHY_TEST_CTRL_REG, 2587 PHY_PCIE_SCRAM_MODE); 2588 val32 = pci_config_get32 2589 (bgep->cfg_handle, 2590 PCI_CONF_BGE_CLKCTL); 2591 val32 |= CLKCTL_PCIE_A0_FIX; 2592 pci_config_put32(bgep->cfg_handle, 2593 PCI_CONF_BGE_CLKCTL, val32); 2594 } 2595 bge_reg_set32(bgep, regno, 2596 MISC_CONFIG_GRC_RESET_DISABLE); 2597 regval |= MISC_CONFIG_GRC_RESET_DISABLE; 2598 } 2599 } 2600 2601 /* 2602 * Special case - causes Core reset 2603 * 2604 * On SPARC v9 we want to ensure that we don't start 2605 * timing until the I/O access has actually reached 2606 * the chip, otherwise we might make the next access 2607 * too early. And we can't just force the write out 2608 * by following it with a read (even to config space) 2609 * because that would cause the fault we're trying 2610 * to avoid. Hence the need for membar_sync() here. 2611 */ 2612 ddi_put32(bgep->io_handle, PIO_ADDR(bgep, regno), regval); 2613 #ifdef __sparcv9 2614 membar_sync(); 2615 #endif /* __sparcv9 */ 2616 /* 2617 * On some platforms,system need about 300us for 2618 * link setup. 2619 */ 2620 drv_usecwait(300); 2621 if (DEVICE_5906_SERIES_CHIPSETS(bgep)) { 2622 bge_reg_set32(bgep, VCPU_STATUS_REG, VCPU_DRV_RESET); 2623 bge_reg_clr32( 2624 bgep, VCPU_EXT_CTL, VCPU_EXT_CTL_HALF); 2625 } 2626 2627 if (bgep->chipid.pci_type == BGE_PCI_E) { 2628 /* PCI-E device need more reset time */ 2629 drv_usecwait(120000); 2630 2631 /* Set PCIE max payload size and clear error status. */ 2632 if ((bgep->chipid.chip_label == 5721) || 2633 (bgep->chipid.chip_label == 5751) || 2634 (bgep->chipid.chip_label == 5752) || 2635 (bgep->chipid.chip_label == 5789) || 2636 (bgep->chipid.chip_label == 5906)) { 2637 pci_config_put16(bgep->cfg_handle, 2638 PCI_CONF_DEV_CTRL, READ_REQ_SIZE_MAX); 2639 pci_config_put16(bgep->cfg_handle, 2640 PCI_CONF_DEV_STUS, DEVICE_ERROR_STUS); 2641 } 2642 2643 if ((bgep->chipid.chip_label == 5723) || 2644 (bgep->chipid.chip_label == 5761)) { 2645 pci_config_put16(bgep->cfg_handle, 2646 PCI_CONF_DEV_CTRL_5723, READ_REQ_SIZE_MAX); 2647 pci_config_put16(bgep->cfg_handle, 2648 PCI_CONF_DEV_STUS_5723, DEVICE_ERROR_STUS); 2649 } 2650 } 2651 2652 BGE_PCICHK(bgep); 2653 return (B_TRUE); 2654 2655 default: 2656 bge_reg_put32(bgep, regno, regval); 2657 return (bge_chip_poll_engine(bgep, regno, 2658 STATE_MACHINE_RESET_BIT, 0)); 2659 } 2660 } 2661 2662 /* 2663 * Various registers that control the chip's internal engines (state 2664 * machines) have an <enable> bit (fortunately, in the same place in 2665 * each such register :-). To stop the state machine, this bit must 2666 * be written with 0, then polled to see when the state machine has 2667 * actually stopped. 2668 * 2669 * The return value is B_TRUE on success (enable bit cleared), or 2670 * B_FALSE if the state machine didn't stop :( 2671 */ 2672 static boolean_t bge_chip_disable_engine(bge_t *bgep, bge_regno_t regno, 2673 uint32_t morebits); 2674 #pragma no_inline(bge_chip_disable_engine) 2675 2676 static boolean_t 2677 bge_chip_disable_engine(bge_t *bgep, bge_regno_t regno, uint32_t morebits) 2678 { 2679 uint32_t regval; 2680 2681 BGE_TRACE(("bge_chip_disable_engine($%p, 0x%lx, 0x%x)", 2682 (void *)bgep, regno, morebits)); 2683 2684 switch (regno) { 2685 case FTQ_RESET_REG: 2686 /* 2687 * For Schumacher's bugfix CR6490108 2688 */ 2689 #ifdef BGE_IPMI_ASF 2690 #ifdef BGE_NETCONSOLE 2691 if (bgep->asf_enabled) 2692 return (B_TRUE); 2693 #endif 2694 #endif 2695 /* 2696 * Not quite like the others; it doesn't 2697 * have an <enable> bit, but instead we 2698 * have to set and then clear all the bits 2699 */ 2700 bge_reg_put32(bgep, regno, ~(uint32_t)0); 2701 drv_usecwait(100); 2702 bge_reg_put32(bgep, regno, 0); 2703 return (B_TRUE); 2704 2705 default: 2706 regval = bge_reg_get32(bgep, regno); 2707 regval &= ~STATE_MACHINE_ENABLE_BIT; 2708 regval &= ~morebits; 2709 bge_reg_put32(bgep, regno, regval); 2710 return (bge_chip_poll_engine(bgep, regno, 2711 STATE_MACHINE_ENABLE_BIT, 0)); 2712 } 2713 } 2714 2715 /* 2716 * Various registers that control the chip's internal engines (state 2717 * machines) have an <enable> bit (fortunately, in the same place in 2718 * each such register :-). To start the state machine, this bit must 2719 * be written with 1, then polled to see when the state machine has 2720 * actually started. 2721 * 2722 * The return value is B_TRUE on success (enable bit set), or 2723 * B_FALSE if the state machine didn't start :( 2724 */ 2725 static boolean_t bge_chip_enable_engine(bge_t *bgep, bge_regno_t regno, 2726 uint32_t morebits); 2727 #pragma no_inline(bge_chip_enable_engine) 2728 2729 static boolean_t 2730 bge_chip_enable_engine(bge_t *bgep, bge_regno_t regno, uint32_t morebits) 2731 { 2732 uint32_t regval; 2733 2734 BGE_TRACE(("bge_chip_enable_engine($%p, 0x%lx, 0x%x)", 2735 (void *)bgep, regno, morebits)); 2736 2737 switch (regno) { 2738 case FTQ_RESET_REG: 2739 #ifdef BGE_IPMI_ASF 2740 #ifdef BGE_NETCONSOLE 2741 if (bgep->asf_enabled) 2742 return (B_TRUE); 2743 #endif 2744 #endif 2745 /* 2746 * Not quite like the others; it doesn't 2747 * have an <enable> bit, but instead we 2748 * have to set and then clear all the bits 2749 */ 2750 bge_reg_put32(bgep, regno, ~(uint32_t)0); 2751 drv_usecwait(100); 2752 bge_reg_put32(bgep, regno, 0); 2753 return (B_TRUE); 2754 2755 default: 2756 regval = bge_reg_get32(bgep, regno); 2757 regval |= STATE_MACHINE_ENABLE_BIT; 2758 regval |= morebits; 2759 bge_reg_put32(bgep, regno, regval); 2760 return (bge_chip_poll_engine(bgep, regno, 2761 STATE_MACHINE_ENABLE_BIT, STATE_MACHINE_ENABLE_BIT)); 2762 } 2763 } 2764 2765 /* 2766 * Reprogram the Ethernet, Transmit, and Receive MAC 2767 * modes to match the param_* variables 2768 */ 2769 void bge_sync_mac_modes(bge_t *bgep); 2770 #pragma no_inline(bge_sync_mac_modes) 2771 2772 void 2773 bge_sync_mac_modes(bge_t *bgep) 2774 { 2775 uint32_t macmode; 2776 uint32_t regval; 2777 2778 ASSERT(mutex_owned(bgep->genlock)); 2779 2780 /* 2781 * Reprogram the Ethernet MAC mode ... 2782 */ 2783 macmode = regval = bge_reg_get32(bgep, ETHERNET_MAC_MODE_REG); 2784 if ((bgep->chipid.flags & CHIP_FLAG_SERDES) && 2785 (bgep->param_loop_mode != BGE_LOOP_INTERNAL_MAC)) 2786 if (DEVICE_5714_SERIES_CHIPSETS(bgep)) 2787 macmode |= ETHERNET_MODE_LINK_POLARITY; 2788 else 2789 macmode &= ~ETHERNET_MODE_LINK_POLARITY; 2790 else 2791 macmode |= ETHERNET_MODE_LINK_POLARITY; 2792 macmode &= ~ETHERNET_MODE_PORTMODE_MASK; 2793 if ((bgep->chipid.flags & CHIP_FLAG_SERDES) && 2794 (bgep->param_loop_mode != BGE_LOOP_INTERNAL_MAC)) { 2795 if (DEVICE_5714_SERIES_CHIPSETS(bgep)) 2796 macmode |= ETHERNET_MODE_PORTMODE_GMII; 2797 else 2798 macmode |= ETHERNET_MODE_PORTMODE_TBI; 2799 } else if (bgep->param_link_speed == 10 || 2800 bgep->param_link_speed == 100) 2801 macmode |= ETHERNET_MODE_PORTMODE_MII; 2802 else 2803 macmode |= ETHERNET_MODE_PORTMODE_GMII; 2804 if (bgep->param_link_duplex == LINK_DUPLEX_HALF) 2805 macmode |= ETHERNET_MODE_HALF_DUPLEX; 2806 else 2807 macmode &= ~ETHERNET_MODE_HALF_DUPLEX; 2808 if (bgep->param_loop_mode == BGE_LOOP_INTERNAL_MAC) 2809 macmode |= ETHERNET_MODE_MAC_LOOPBACK; 2810 else 2811 macmode &= ~ETHERNET_MODE_MAC_LOOPBACK; 2812 bge_reg_put32(bgep, ETHERNET_MAC_MODE_REG, macmode); 2813 BGE_DEBUG(("bge_sync_mac_modes($%p) Ethernet MAC mode 0x%x => 0x%x", 2814 (void *)bgep, regval, macmode)); 2815 2816 /* 2817 * ... the Transmit MAC mode ... 2818 */ 2819 macmode = regval = bge_reg_get32(bgep, TRANSMIT_MAC_MODE_REG); 2820 if (bgep->param_link_tx_pause) 2821 macmode |= TRANSMIT_MODE_FLOW_CONTROL; 2822 else 2823 macmode &= ~TRANSMIT_MODE_FLOW_CONTROL; 2824 bge_reg_put32(bgep, TRANSMIT_MAC_MODE_REG, macmode); 2825 BGE_DEBUG(("bge_sync_mac_modes($%p) Transmit MAC mode 0x%x => 0x%x", 2826 (void *)bgep, regval, macmode)); 2827 2828 /* 2829 * ... and the Receive MAC mode 2830 */ 2831 macmode = regval = bge_reg_get32(bgep, RECEIVE_MAC_MODE_REG); 2832 if (bgep->param_link_rx_pause) 2833 macmode |= RECEIVE_MODE_FLOW_CONTROL; 2834 else 2835 macmode &= ~RECEIVE_MODE_FLOW_CONTROL; 2836 bge_reg_put32(bgep, RECEIVE_MAC_MODE_REG, macmode); 2837 BGE_DEBUG(("bge_sync_mac_modes($%p) Receive MAC mode 0x%x => 0x%x", 2838 (void *)bgep, regval, macmode)); 2839 } 2840 2841 /* 2842 * bge_chip_sync() -- program the chip with the unicast MAC address, 2843 * the multicast hash table, the required level of promiscuity, and 2844 * the current loopback mode ... 2845 */ 2846 #ifdef BGE_IPMI_ASF 2847 int bge_chip_sync(bge_t *bgep, boolean_t asf_keeplive); 2848 #else 2849 int bge_chip_sync(bge_t *bgep); 2850 #endif 2851 #pragma no_inline(bge_chip_sync) 2852 2853 int 2854 #ifdef BGE_IPMI_ASF 2855 bge_chip_sync(bge_t *bgep, boolean_t asf_keeplive) 2856 #else 2857 bge_chip_sync(bge_t *bgep) 2858 #endif 2859 { 2860 void (*opfn)(bge_t *bgep, bge_regno_t reg, uint32_t bits); 2861 boolean_t promisc; 2862 uint64_t macaddr; 2863 uint32_t fill = 0; 2864 int i, j; 2865 int retval = DDI_SUCCESS; 2866 2867 BGE_TRACE(("bge_chip_sync($%p)", 2868 (void *)bgep)); 2869 2870 ASSERT(mutex_owned(bgep->genlock)); 2871 2872 promisc = B_FALSE; 2873 fill = ~(uint32_t)0; 2874 2875 if (bgep->promisc) 2876 promisc = B_TRUE; 2877 else 2878 fill = (uint32_t)0; 2879 2880 /* 2881 * If the TX/RX MAC engines are already running, we should stop 2882 * them (and reset the RX engine) before changing the parameters. 2883 * If they're not running, this will have no effect ... 2884 * 2885 * NOTE: this is currently disabled by default because stopping 2886 * and restarting the Tx engine may cause an outgoing packet in 2887 * transit to be truncated. Also, stopping and restarting the 2888 * Rx engine seems to not work correctly on the 5705. Testing 2889 * has not (yet!) revealed any problems with NOT stopping and 2890 * restarting these engines (and Broadcom say their drivers don't 2891 * do this), but if it is found to cause problems, this variable 2892 * can be patched to re-enable the old behaviour ... 2893 */ 2894 if (bge_stop_start_on_sync) { 2895 #ifdef BGE_IPMI_ASF 2896 if (!bgep->asf_enabled) { 2897 if (!bge_chip_disable_engine(bgep, 2898 RECEIVE_MAC_MODE_REG, RECEIVE_MODE_KEEP_VLAN_TAG)) 2899 retval = DDI_FAILURE; 2900 } else { 2901 if (!bge_chip_disable_engine(bgep, 2902 RECEIVE_MAC_MODE_REG, 0)) 2903 retval = DDI_FAILURE; 2904 } 2905 #else 2906 if (!bge_chip_disable_engine(bgep, RECEIVE_MAC_MODE_REG, 2907 RECEIVE_MODE_KEEP_VLAN_TAG)) 2908 retval = DDI_FAILURE; 2909 #endif 2910 if (!bge_chip_disable_engine(bgep, TRANSMIT_MAC_MODE_REG, 0)) 2911 retval = DDI_FAILURE; 2912 if (!bge_chip_reset_engine(bgep, RECEIVE_MAC_MODE_REG)) 2913 retval = DDI_FAILURE; 2914 } 2915 2916 /* 2917 * Reprogram the hashed multicast address table ... 2918 */ 2919 for (i = 0; i < BGE_HASH_TABLE_SIZE/32; ++i) 2920 bge_reg_put32(bgep, MAC_HASH_REG(i), 0); 2921 2922 for (i = 0; i < BGE_HASH_TABLE_SIZE/32; ++i) 2923 bge_reg_put32(bgep, MAC_HASH_REG(i), 2924 bgep->mcast_hash[i] | fill); 2925 2926 #ifdef BGE_IPMI_ASF 2927 if (!bgep->asf_enabled || !asf_keeplive) { 2928 #endif 2929 /* 2930 * Transform the MAC address(es) from host to chip format, then 2931 * reprogram the transmit random backoff seed and the unicast 2932 * MAC address(es) ... 2933 */ 2934 for (j = 0; j < MAC_ADDRESS_REGS_MAX; j++) { 2935 for (i = 0, macaddr = 0ull; 2936 i < ETHERADDRL; ++i) { 2937 macaddr <<= 8; 2938 macaddr |= bgep->curr_addr[j].addr[i]; 2939 } 2940 fill += (macaddr >> 16) + (macaddr & 0xffffffff); 2941 bge_reg_put64(bgep, MAC_ADDRESS_REG(j), macaddr); 2942 2943 BGE_DEBUG(("bge_chip_sync($%p) " 2944 "setting MAC address %012llx", 2945 (void *)bgep, macaddr)); 2946 } 2947 #ifdef BGE_IPMI_ASF 2948 } 2949 #endif 2950 /* 2951 * Set random seed of backoff interval 2952 * - Writing zero means no backoff interval 2953 */ 2954 fill = ((fill >> 20) + (fill >> 10) + fill) & 0x3ff; 2955 if (fill == 0) 2956 fill = 1; 2957 bge_reg_put32(bgep, MAC_TX_RANDOM_BACKOFF_REG, fill); 2958 2959 /* 2960 * Set or clear the PROMISCUOUS mode bit 2961 */ 2962 opfn = promisc ? bge_reg_set32 : bge_reg_clr32; 2963 (*opfn)(bgep, RECEIVE_MAC_MODE_REG, RECEIVE_MODE_PROMISCUOUS); 2964 2965 /* 2966 * Sync the rest of the MAC modes too ... 2967 */ 2968 bge_sync_mac_modes(bgep); 2969 2970 /* 2971 * Restart RX/TX MAC engines if required ... 2972 */ 2973 if (bgep->bge_chip_state == BGE_CHIP_RUNNING) { 2974 if (!bge_chip_enable_engine(bgep, TRANSMIT_MAC_MODE_REG, 0)) 2975 retval = DDI_FAILURE; 2976 #ifdef BGE_IPMI_ASF 2977 if (!bgep->asf_enabled) { 2978 if (!bge_chip_enable_engine(bgep, 2979 RECEIVE_MAC_MODE_REG, RECEIVE_MODE_KEEP_VLAN_TAG)) 2980 retval = DDI_FAILURE; 2981 } else { 2982 if (!bge_chip_enable_engine(bgep, 2983 RECEIVE_MAC_MODE_REG, 0)) 2984 retval = DDI_FAILURE; 2985 } 2986 #else 2987 if (!bge_chip_enable_engine(bgep, RECEIVE_MAC_MODE_REG, 2988 RECEIVE_MODE_KEEP_VLAN_TAG)) 2989 retval = DDI_FAILURE; 2990 #endif 2991 } 2992 return (retval); 2993 } 2994 2995 /* 2996 * This array defines the sequence of state machine control registers 2997 * in which the <enable> bit must be cleared to bring the chip to a 2998 * clean stop. Taken from Broadcom document 570X-PG102-R, p116. 2999 */ 3000 static bge_regno_t shutdown_engine_regs[] = { 3001 RECEIVE_MAC_MODE_REG, 3002 RCV_BD_INITIATOR_MODE_REG, 3003 RCV_LIST_PLACEMENT_MODE_REG, 3004 RCV_LIST_SELECTOR_MODE_REG, /* BCM5704 series only */ 3005 RCV_DATA_BD_INITIATOR_MODE_REG, 3006 RCV_DATA_COMPLETION_MODE_REG, 3007 RCV_BD_COMPLETION_MODE_REG, 3008 3009 SEND_BD_SELECTOR_MODE_REG, 3010 SEND_BD_INITIATOR_MODE_REG, 3011 SEND_DATA_INITIATOR_MODE_REG, 3012 READ_DMA_MODE_REG, 3013 SEND_DATA_COMPLETION_MODE_REG, 3014 DMA_COMPLETION_MODE_REG, /* BCM5704 series only */ 3015 SEND_BD_COMPLETION_MODE_REG, 3016 TRANSMIT_MAC_MODE_REG, 3017 3018 HOST_COALESCE_MODE_REG, 3019 WRITE_DMA_MODE_REG, 3020 MBUF_CLUSTER_FREE_MODE_REG, /* BCM5704 series only */ 3021 FTQ_RESET_REG, /* special - see code */ 3022 BUFFER_MANAGER_MODE_REG, /* BCM5704 series only */ 3023 MEMORY_ARBITER_MODE_REG, /* BCM5704 series only */ 3024 BGE_REGNO_NONE /* terminator */ 3025 }; 3026 3027 #ifndef __sparc 3028 static bge_regno_t quiesce_regs[] = { 3029 READ_DMA_MODE_REG, 3030 DMA_COMPLETION_MODE_REG, 3031 WRITE_DMA_MODE_REG, 3032 BGE_REGNO_NONE 3033 }; 3034 3035 void bge_chip_stop_nonblocking(bge_t *bgep); 3036 #pragma no_inline(bge_chip_stop_nonblocking) 3037 3038 /* 3039 * This function is called by bge_quiesce(). We 3040 * turn off all the DMA engines here. 3041 */ 3042 void 3043 bge_chip_stop_nonblocking(bge_t *bgep) 3044 { 3045 bge_regno_t *rbp; 3046 3047 /* 3048 * Flag that no more activity may be initiated 3049 */ 3050 bgep->progress &= ~PROGRESS_READY; 3051 3052 rbp = quiesce_regs; 3053 while (*rbp != BGE_REGNO_NONE) { 3054 (void) bge_chip_disable_engine(bgep, *rbp, 0); 3055 ++rbp; 3056 } 3057 3058 bgep->bge_chip_state = BGE_CHIP_STOPPED; 3059 } 3060 3061 #endif 3062 3063 /* 3064 * bge_chip_stop() -- stop all chip processing 3065 * 3066 * If the <fault> parameter is B_TRUE, we're stopping the chip because 3067 * we've detected a problem internally; otherwise, this is a normal 3068 * (clean) stop (at user request i.e. the last STREAM has been closed). 3069 */ 3070 void bge_chip_stop(bge_t *bgep, boolean_t fault); 3071 #pragma no_inline(bge_chip_stop) 3072 3073 void 3074 bge_chip_stop(bge_t *bgep, boolean_t fault) 3075 { 3076 bge_regno_t regno; 3077 bge_regno_t *rbp; 3078 boolean_t ok; 3079 3080 BGE_TRACE(("bge_chip_stop($%p)", 3081 (void *)bgep)); 3082 3083 ASSERT(mutex_owned(bgep->genlock)); 3084 3085 rbp = shutdown_engine_regs; 3086 /* 3087 * When driver try to shutdown the BCM5705/5788/5721/5751/ 3088 * 5752/5714 and 5715 chipsets,the buffer manager and the mem 3089 * -ory arbiter should not be disabled. 3090 */ 3091 for (ok = B_TRUE; (regno = *rbp) != BGE_REGNO_NONE; ++rbp) { 3092 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) 3093 ok &= bge_chip_disable_engine(bgep, regno, 0); 3094 else if ((regno != RCV_LIST_SELECTOR_MODE_REG) && 3095 (regno != DMA_COMPLETION_MODE_REG) && 3096 (regno != MBUF_CLUSTER_FREE_MODE_REG)&& 3097 (regno != BUFFER_MANAGER_MODE_REG) && 3098 (regno != MEMORY_ARBITER_MODE_REG)) 3099 ok &= bge_chip_disable_engine(bgep, 3100 regno, 0); 3101 } 3102 3103 if (!ok && !fault) 3104 ddi_fm_service_impact(bgep->devinfo, DDI_SERVICE_UNAFFECTED); 3105 3106 /* 3107 * Finally, disable (all) MAC events & clear the MAC status 3108 */ 3109 bge_reg_put32(bgep, ETHERNET_MAC_EVENT_ENABLE_REG, 0); 3110 bge_reg_put32(bgep, ETHERNET_MAC_STATUS_REG, ~0); 3111 3112 /* 3113 * if we're stopping the chip because of a detected fault then do 3114 * appropriate actions 3115 */ 3116 if (fault) { 3117 if (bgep->bge_chip_state != BGE_CHIP_FAULT) { 3118 bgep->bge_chip_state = BGE_CHIP_FAULT; 3119 if (!bgep->manual_reset) 3120 ddi_fm_service_impact(bgep->devinfo, 3121 DDI_SERVICE_LOST); 3122 if (bgep->bge_dma_error) { 3123 /* 3124 * need to free buffers in case the fault was 3125 * due to a memory error in a buffer - got to 3126 * do a fair bit of tidying first 3127 */ 3128 if (bgep->progress & PROGRESS_KSTATS) { 3129 bge_fini_kstats(bgep); 3130 bgep->progress &= ~PROGRESS_KSTATS; 3131 } 3132 if (bgep->progress & PROGRESS_INTR) { 3133 bge_intr_disable(bgep); 3134 rw_enter(bgep->errlock, RW_WRITER); 3135 bge_fini_rings(bgep); 3136 rw_exit(bgep->errlock); 3137 bgep->progress &= ~PROGRESS_INTR; 3138 } 3139 if (bgep->progress & PROGRESS_BUFS) { 3140 bge_free_bufs(bgep); 3141 bgep->progress &= ~PROGRESS_BUFS; 3142 } 3143 bgep->bge_dma_error = B_FALSE; 3144 } 3145 } 3146 } else 3147 bgep->bge_chip_state = BGE_CHIP_STOPPED; 3148 } 3149 3150 /* 3151 * Poll for completion of chip's ROM firmware; also, at least on the 3152 * first time through, find and return the hardware MAC address, if any. 3153 */ 3154 static uint64_t bge_poll_firmware(bge_t *bgep); 3155 #pragma no_inline(bge_poll_firmware) 3156 3157 static uint64_t 3158 bge_poll_firmware(bge_t *bgep) 3159 { 3160 uint64_t magic; 3161 uint64_t mac; 3162 uint32_t gen, val; 3163 uint32_t i; 3164 3165 /* 3166 * Step 19: poll for firmware completion (GENCOMM port set 3167 * to the ones complement of T3_MAGIC_NUMBER). 3168 * 3169 * While we're at it, we also read the MAC address register; 3170 * at some stage the firmware will load this with the 3171 * factory-set value. 3172 * 3173 * When both the magic number and the MAC address are set, 3174 * we're done; but we impose a time limit of one second 3175 * (1000*1000us) in case the firmware fails in some fashion 3176 * or the SEEPROM that provides that MAC address isn't fitted. 3177 * 3178 * After the first time through (chip state != INITIAL), we 3179 * don't need the MAC address to be set (we've already got it 3180 * or not, from the first time), so we don't wait for it, but 3181 * we still have to wait for the T3_MAGIC_NUMBER. 3182 * 3183 * Note: the magic number is only a 32-bit quantity, but the NIC 3184 * memory is 64-bit (and big-endian) internally. Addressing the 3185 * GENCOMM word as "the upper half of a 64-bit quantity" makes 3186 * it work correctly on both big- and little-endian hosts. 3187 */ 3188 if (MHCR_CHIP_ASIC_REV(bgep->chipid.asic_rev) == 3189 MHCR_CHIP_ASIC_REV_5906) { 3190 for (i = 0; i < 1000; ++i) { 3191 drv_usecwait(1000); 3192 val = bge_reg_get32(bgep, VCPU_STATUS_REG); 3193 if (val & VCPU_INIT_DONE) 3194 break; 3195 } 3196 BGE_DEBUG(("bge_poll_firmware($%p): return after %d loops", 3197 (void *)bgep, i)); 3198 mac = bge_reg_get64(bgep, MAC_ADDRESS_REG(0)); 3199 } else { 3200 for (i = 0; i < 1000; ++i) { 3201 drv_usecwait(1000); 3202 gen = bge_nic_get64(bgep, NIC_MEM_GENCOMM) >> 32; 3203 if (i == 0 && DEVICE_5704_SERIES_CHIPSETS(bgep)) 3204 drv_usecwait(100000); 3205 mac = bge_reg_get64(bgep, MAC_ADDRESS_REG(0)); 3206 #ifdef BGE_IPMI_ASF 3207 if (!bgep->asf_enabled) { 3208 #endif 3209 if (gen != ~T3_MAGIC_NUMBER) 3210 continue; 3211 #ifdef BGE_IPMI_ASF 3212 } 3213 #endif 3214 if (mac != 0ULL) 3215 break; 3216 if (bgep->bge_chip_state != BGE_CHIP_INITIAL) 3217 break; 3218 } 3219 } 3220 3221 magic = bge_nic_get64(bgep, NIC_MEM_GENCOMM); 3222 BGE_DEBUG(("bge_poll_firmware($%p): PXE magic 0x%x after %d loops", 3223 (void *)bgep, gen, i)); 3224 BGE_DEBUG(("bge_poll_firmware: MAC %016llx, GENCOMM %016llx", 3225 mac, magic)); 3226 3227 return (mac); 3228 } 3229 3230 /* 3231 * Maximum times of trying to get the NVRAM access lock 3232 * by calling bge_nvmem_acquire() 3233 */ 3234 #define MAX_TRY_NVMEM_ACQUIRE 10000 3235 3236 #ifdef BGE_IPMI_ASF 3237 int bge_chip_reset(bge_t *bgep, boolean_t enable_dma, uint_t asf_mode); 3238 #else 3239 int bge_chip_reset(bge_t *bgep, boolean_t enable_dma); 3240 #endif 3241 #pragma no_inline(bge_chip_reset) 3242 3243 int 3244 #ifdef BGE_IPMI_ASF 3245 bge_chip_reset(bge_t *bgep, boolean_t enable_dma, uint_t asf_mode) 3246 #else 3247 bge_chip_reset(bge_t *bgep, boolean_t enable_dma) 3248 #endif 3249 { 3250 chip_id_t chipid; 3251 uint64_t mac; 3252 uint64_t magic; 3253 uint32_t modeflags; 3254 uint32_t mhcr; 3255 uint32_t sx0; 3256 uint32_t i, tries; 3257 #ifdef BGE_IPMI_ASF 3258 uint32_t mailbox; 3259 #endif 3260 int retval = DDI_SUCCESS; 3261 3262 BGE_TRACE(("bge_chip_reset($%p, %d)", 3263 (void *)bgep, enable_dma)); 3264 3265 ASSERT(mutex_owned(bgep->genlock)); 3266 3267 BGE_DEBUG(("bge_chip_reset($%p, %d): current state is %d", 3268 (void *)bgep, enable_dma, bgep->bge_chip_state)); 3269 3270 /* 3271 * Do we need to stop the chip cleanly before resetting? 3272 */ 3273 switch (bgep->bge_chip_state) { 3274 default: 3275 _NOTE(NOTREACHED) 3276 return (DDI_FAILURE); 3277 3278 case BGE_CHIP_INITIAL: 3279 case BGE_CHIP_STOPPED: 3280 case BGE_CHIP_RESET: 3281 break; 3282 3283 case BGE_CHIP_RUNNING: 3284 case BGE_CHIP_ERROR: 3285 case BGE_CHIP_FAULT: 3286 bge_chip_stop(bgep, B_FALSE); 3287 break; 3288 } 3289 3290 #ifdef BGE_IPMI_ASF 3291 if (bgep->asf_enabled) { 3292 #ifdef __sparc 3293 mhcr = MHCR_ENABLE_INDIRECT_ACCESS | 3294 MHCR_ENABLE_TAGGED_STATUS_MODE | 3295 MHCR_MASK_INTERRUPT_MODE | 3296 MHCR_MASK_PCI_INT_OUTPUT | 3297 MHCR_CLEAR_INTERRUPT_INTA | 3298 MHCR_ENABLE_ENDIAN_WORD_SWAP | 3299 MHCR_ENABLE_ENDIAN_BYTE_SWAP; 3300 pci_config_put32(bgep->cfg_handle, PCI_CONF_BGE_MHCR, mhcr); 3301 bge_reg_put32(bgep, MEMORY_ARBITER_MODE_REG, 3302 bge_reg_get32(bgep, MEMORY_ARBITER_MODE_REG) | 3303 MEMORY_ARBITER_ENABLE); 3304 #endif 3305 if (asf_mode == ASF_MODE_INIT) { 3306 bge_asf_pre_reset_operations(bgep, BGE_INIT_RESET); 3307 } else if (asf_mode == ASF_MODE_SHUTDOWN) { 3308 bge_asf_pre_reset_operations(bgep, BGE_SHUTDOWN_RESET); 3309 } 3310 } 3311 #endif 3312 /* 3313 * Adapted from Broadcom document 570X-PG102-R, pp 102-116. 3314 * Updated to reflect Broadcom document 570X-PG104-R, pp 146-159. 3315 * 3316 * Before reset Core clock,it is 3317 * also required to initialize the Memory Arbiter as specified in step9 3318 * and Misc Host Control Register as specified in step-13 3319 * Step 4-5: reset Core clock & wait for completion 3320 * Steps 6-8: are done by bge_chip_cfg_init() 3321 * put the T3_MAGIC_NUMBER into the GENCOMM port before reset 3322 */ 3323 if (!bge_chip_enable_engine(bgep, MEMORY_ARBITER_MODE_REG, 0)) 3324 retval = DDI_FAILURE; 3325 3326 mhcr = MHCR_ENABLE_INDIRECT_ACCESS | 3327 MHCR_ENABLE_TAGGED_STATUS_MODE | 3328 MHCR_MASK_INTERRUPT_MODE | 3329 MHCR_MASK_PCI_INT_OUTPUT | 3330 MHCR_CLEAR_INTERRUPT_INTA; 3331 #ifdef _BIG_ENDIAN 3332 mhcr |= MHCR_ENABLE_ENDIAN_WORD_SWAP | MHCR_ENABLE_ENDIAN_BYTE_SWAP; 3333 #endif /* _BIG_ENDIAN */ 3334 pci_config_put32(bgep->cfg_handle, PCI_CONF_BGE_MHCR, mhcr); 3335 #ifdef BGE_IPMI_ASF 3336 if (bgep->asf_enabled) 3337 bgep->asf_wordswapped = B_FALSE; 3338 #endif 3339 /* 3340 * NVRAM Corruption Workaround 3341 */ 3342 for (tries = 0; tries < MAX_TRY_NVMEM_ACQUIRE; tries++) 3343 if (bge_nvmem_acquire(bgep) != EAGAIN) 3344 break; 3345 if (tries >= MAX_TRY_NVMEM_ACQUIRE) 3346 BGE_DEBUG(("%s: fail to acquire nvram lock", 3347 bgep->ifname)); 3348 3349 #ifdef BGE_IPMI_ASF 3350 if (!bgep->asf_enabled) { 3351 #endif 3352 magic = (uint64_t)T3_MAGIC_NUMBER << 32; 3353 bge_nic_put64(bgep, NIC_MEM_GENCOMM, magic); 3354 #ifdef BGE_IPMI_ASF 3355 } 3356 #endif 3357 3358 if (!bge_chip_reset_engine(bgep, MISC_CONFIG_REG)) 3359 retval = DDI_FAILURE; 3360 bge_chip_cfg_init(bgep, &chipid, enable_dma); 3361 3362 /* 3363 * Step 8a: This may belong elsewhere, but BCM5721 needs 3364 * a bit set to avoid a fifo overflow/underflow bug. 3365 */ 3366 if ((bgep->chipid.chip_label == 5721) || 3367 (bgep->chipid.chip_label == 5751) || 3368 (bgep->chipid.chip_label == 5752) || 3369 (bgep->chipid.chip_label == 5755) || 3370 (bgep->chipid.chip_label == 5756) || 3371 (bgep->chipid.chip_label == 5789) || 3372 (bgep->chipid.chip_label == 5906)) 3373 bge_reg_set32(bgep, TLP_CONTROL_REG, TLP_DATA_FIFO_PROTECT); 3374 3375 3376 /* 3377 * Step 9: enable MAC memory arbiter,bit30 and bit31 of 5714/5715 should 3378 * not be changed. 3379 */ 3380 if (!bge_chip_enable_engine(bgep, MEMORY_ARBITER_MODE_REG, 0)) 3381 retval = DDI_FAILURE; 3382 3383 /* 3384 * Steps 10-11: configure PIO endianness options and 3385 * enable indirect register access -- already done 3386 * Steps 12-13: enable writing to the PCI state & clock 3387 * control registers -- not required; we aren't going to 3388 * use those features. 3389 * Steps 14-15: Configure DMA endianness options. See 3390 * the comments on the setting of the MHCR above. 3391 */ 3392 #ifdef _BIG_ENDIAN 3393 modeflags = MODE_WORD_SWAP_FRAME | MODE_BYTE_SWAP_FRAME | 3394 MODE_WORD_SWAP_NONFRAME | MODE_BYTE_SWAP_NONFRAME; 3395 #else 3396 modeflags = MODE_WORD_SWAP_FRAME | MODE_BYTE_SWAP_FRAME; 3397 #endif /* _BIG_ENDIAN */ 3398 #ifdef BGE_IPMI_ASF 3399 if (bgep->asf_enabled) 3400 modeflags |= MODE_HOST_STACK_UP; 3401 #endif 3402 bge_reg_put32(bgep, MODE_CONTROL_REG, modeflags); 3403 3404 #ifdef BGE_IPMI_ASF 3405 if (bgep->asf_enabled) { 3406 #ifdef __sparc 3407 bge_reg_put32(bgep, MEMORY_ARBITER_MODE_REG, 3408 MEMORY_ARBITER_ENABLE | 3409 bge_reg_get32(bgep, MEMORY_ARBITER_MODE_REG)); 3410 #endif 3411 3412 #ifdef BGE_NETCONSOLE 3413 if (!bgep->asf_newhandshake) { 3414 if ((asf_mode == ASF_MODE_INIT) || 3415 (asf_mode == ASF_MODE_POST_INIT)) { 3416 bge_asf_post_reset_old_mode(bgep, 3417 BGE_INIT_RESET); 3418 } else { 3419 bge_asf_post_reset_old_mode(bgep, 3420 BGE_SHUTDOWN_RESET); 3421 } 3422 } 3423 #endif 3424 3425 /* Wait for NVRAM init */ 3426 i = 0; 3427 drv_usecwait(5000); 3428 mailbox = bge_nic_get32(bgep, BGE_FIRMWARE_MAILBOX); 3429 3430 while ((mailbox != (uint32_t) 3431 ~BGE_MAGIC_NUM_FIRMWARE_INIT_DONE) && 3432 (i < 10000)) { 3433 drv_usecwait(100); 3434 mailbox = bge_nic_get32(bgep, 3435 BGE_FIRMWARE_MAILBOX); 3436 i++; 3437 } 3438 3439 #ifndef BGE_NETCONSOLE 3440 if (!bgep->asf_newhandshake) { 3441 if ((asf_mode == ASF_MODE_INIT) || 3442 (asf_mode == ASF_MODE_POST_INIT)) { 3443 3444 bge_asf_post_reset_old_mode(bgep, 3445 BGE_INIT_RESET); 3446 } else { 3447 bge_asf_post_reset_old_mode(bgep, 3448 BGE_SHUTDOWN_RESET); 3449 } 3450 } 3451 #endif 3452 } 3453 #endif 3454 /* 3455 * Steps 16-17: poll for firmware completion 3456 */ 3457 mac = bge_poll_firmware(bgep); 3458 3459 /* 3460 * Step 18: enable external memory -- doesn't apply. 3461 * 3462 * However we take the opportunity to set the MLCR anyway, as 3463 * this register also controls the SEEPROM auto-access method 3464 * which we may want to use later ... 3465 * 3466 * The proper value here depends on the way the chip is wired 3467 * into the circuit board, as this register *also* controls which 3468 * of the "Miscellaneous I/O" pins are driven as outputs and the 3469 * values driven onto those pins! 3470 * 3471 * See also step 74 in the PRM ... 3472 */ 3473 bge_reg_put32(bgep, MISC_LOCAL_CONTROL_REG, 3474 bgep->chipid.bge_mlcr_default); 3475 bge_reg_set32(bgep, SERIAL_EEPROM_ADDRESS_REG, SEEPROM_ACCESS_INIT); 3476 3477 /* 3478 * Step 20: clear the Ethernet MAC mode register 3479 */ 3480 bge_reg_put32(bgep, ETHERNET_MAC_MODE_REG, 0); 3481 3482 /* 3483 * Step 21: restore cache-line-size, latency timer, and 3484 * subsystem ID registers to their original values (not 3485 * those read into the local structure <chipid>, 'cos 3486 * that was after they were cleared by the RESET). 3487 * 3488 * Note: the Subsystem Vendor/Device ID registers are not 3489 * directly writable in config space, so we use the shadow 3490 * copy in "Page Zero" of register space to restore them 3491 * both in one go ... 3492 */ 3493 pci_config_put8(bgep->cfg_handle, PCI_CONF_CACHE_LINESZ, 3494 bgep->chipid.clsize); 3495 pci_config_put8(bgep->cfg_handle, PCI_CONF_LATENCY_TIMER, 3496 bgep->chipid.latency); 3497 bge_reg_put32(bgep, PCI_CONF_SUBVENID, 3498 (bgep->chipid.subdev << 16) | bgep->chipid.subven); 3499 3500 /* 3501 * The SEND INDEX registers should be reset to zero by the 3502 * global chip reset; if they're not, there'll be trouble 3503 * later on. 3504 */ 3505 sx0 = bge_reg_get32(bgep, NIC_DIAG_SEND_INDEX_REG(0)); 3506 if (sx0 != 0) { 3507 BGE_REPORT((bgep, "SEND INDEX - device didn't RESET")); 3508 bge_fm_ereport(bgep, DDI_FM_DEVICE_INVAL_STATE); 3509 retval = DDI_FAILURE; 3510 } 3511 3512 /* Enable MSI code */ 3513 if (bgep->intr_type == DDI_INTR_TYPE_MSI) 3514 bge_reg_set32(bgep, MSI_MODE_REG, 3515 MSI_PRI_HIGHEST|MSI_MSI_ENABLE|MSI_ERROR_ATTENTION); 3516 3517 /* 3518 * On the first time through, save the factory-set MAC address 3519 * (if any). If bge_poll_firmware() above didn't return one 3520 * (from a chip register) consider looking in the attached NV 3521 * memory device, if any. Once we have it, we save it in both 3522 * register-image (64-bit) and byte-array forms. All-zero and 3523 * all-one addresses are not valid, and we refuse to stash those. 3524 */ 3525 if (bgep->bge_chip_state == BGE_CHIP_INITIAL) { 3526 if (mac == 0ULL) 3527 mac = bge_get_nvmac(bgep); 3528 if (mac != 0ULL && mac != ~0ULL) { 3529 bgep->chipid.hw_mac_addr = mac; 3530 for (i = ETHERADDRL; i-- != 0; ) { 3531 bgep->chipid.vendor_addr.addr[i] = (uchar_t)mac; 3532 mac >>= 8; 3533 } 3534 bgep->chipid.vendor_addr.set = B_TRUE; 3535 } 3536 } 3537 3538 #ifdef BGE_IPMI_ASF 3539 if (bgep->asf_enabled && bgep->asf_newhandshake) { 3540 if (asf_mode != ASF_MODE_NONE) { 3541 if ((asf_mode == ASF_MODE_INIT) || 3542 (asf_mode == ASF_MODE_POST_INIT)) { 3543 3544 bge_asf_post_reset_new_mode(bgep, 3545 BGE_INIT_RESET); 3546 } else { 3547 bge_asf_post_reset_new_mode(bgep, 3548 BGE_SHUTDOWN_RESET); 3549 } 3550 } 3551 } 3552 #endif 3553 3554 /* 3555 * Record the new state 3556 */ 3557 bgep->chip_resets += 1; 3558 bgep->bge_chip_state = BGE_CHIP_RESET; 3559 return (retval); 3560 } 3561 3562 /* 3563 * bge_chip_start() -- start the chip transmitting and/or receiving, 3564 * including enabling interrupts 3565 */ 3566 int bge_chip_start(bge_t *bgep, boolean_t reset_phys); 3567 #pragma no_inline(bge_chip_start) 3568 3569 void 3570 bge_chip_coalesce_update(bge_t *bgep) 3571 { 3572 bge_reg_put32(bgep, SEND_COALESCE_MAX_BD_REG, 3573 bgep->chipid.tx_count_norm); 3574 bge_reg_put32(bgep, SEND_COALESCE_TICKS_REG, 3575 bgep->chipid.tx_ticks_norm); 3576 bge_reg_put32(bgep, RCV_COALESCE_MAX_BD_REG, 3577 bgep->chipid.rx_count_norm); 3578 bge_reg_put32(bgep, RCV_COALESCE_TICKS_REG, 3579 bgep->chipid.rx_ticks_norm); 3580 } 3581 3582 int 3583 bge_chip_start(bge_t *bgep, boolean_t reset_phys) 3584 { 3585 uint32_t coalmode; 3586 uint32_t ledctl; 3587 uint32_t mtu; 3588 uint32_t maxring; 3589 uint32_t stats_mask; 3590 uint32_t dma_wrprio; 3591 uint64_t ring; 3592 int retval = DDI_SUCCESS; 3593 3594 BGE_TRACE(("bge_chip_start($%p)", 3595 (void *)bgep)); 3596 3597 ASSERT(mutex_owned(bgep->genlock)); 3598 ASSERT(bgep->bge_chip_state == BGE_CHIP_RESET); 3599 3600 /* 3601 * Taken from Broadcom document 570X-PG102-R, pp 102-116. 3602 * The document specifies 95 separate steps to fully 3603 * initialise the chip!!!! 3604 * 3605 * The reset code above has already got us as far as step 3606 * 21, so we continue with ... 3607 * 3608 * Step 22: clear the MAC statistics block 3609 * (0x0300-0x0aff in NIC-local memory) 3610 */ 3611 if (bgep->chipid.statistic_type == BGE_STAT_BLK) 3612 bge_nic_zero(bgep, NIC_MEM_STATISTICS, 3613 NIC_MEM_STATISTICS_SIZE); 3614 3615 /* 3616 * Step 23: clear the status block (in host memory) 3617 */ 3618 DMA_ZERO(bgep->status_block); 3619 3620 /* 3621 * Step 24: set DMA read/write control register 3622 */ 3623 pci_config_put32(bgep->cfg_handle, PCI_CONF_BGE_PDRWCR, 3624 bgep->chipid.bge_dma_rwctrl); 3625 3626 /* 3627 * Step 25: Configure DMA endianness -- already done (16/17) 3628 * Step 26: Configure Host-Based Send Rings 3629 * Step 27: Indicate Host Stack Up 3630 */ 3631 bge_reg_set32(bgep, MODE_CONTROL_REG, 3632 MODE_HOST_SEND_BDS | 3633 MODE_HOST_STACK_UP); 3634 3635 /* 3636 * Step 28: Configure checksum options: 3637 * Solaris supports the hardware default checksum options. 3638 * 3639 * Workaround for Incorrect pseudo-header checksum calculation. 3640 */ 3641 if (bgep->chipid.flags & CHIP_FLAG_PARTIAL_CSUM) 3642 bge_reg_set32(bgep, MODE_CONTROL_REG, 3643 MODE_SEND_NO_PSEUDO_HDR_CSUM); 3644 3645 /* 3646 * Step 29: configure Timer Prescaler. The value is always the 3647 * same: the Core Clock frequency in MHz (66), minus 1, shifted 3648 * into bits 7-1. Don't set bit 0, 'cos that's the RESET bit 3649 * for the whole chip! 3650 */ 3651 bge_reg_put32(bgep, MISC_CONFIG_REG, MISC_CONFIG_DEFAULT); 3652 3653 if (DEVICE_5906_SERIES_CHIPSETS(bgep)) { 3654 drv_usecwait(40); 3655 /* put PHY into ready state */ 3656 bge_reg_clr32(bgep, MISC_CONFIG_REG, MISC_CONFIG_EPHY_IDDQ); 3657 (void) bge_reg_get32(bgep, MISC_CONFIG_REG); /* flush */ 3658 drv_usecwait(40); 3659 } 3660 3661 /* 3662 * Steps 30-31: Configure MAC local memory pool & DMA pool registers 3663 * 3664 * If the mbuf_length is specified as 0, we just leave these at 3665 * their hardware defaults, rather than explicitly setting them. 3666 * As the Broadcom HRM,driver better not change the parameters 3667 * when the chipsets is 5705/5788/5721/5751/5714 and 5715. 3668 */ 3669 if ((bgep->chipid.mbuf_length != 0) && 3670 (DEVICE_5704_SERIES_CHIPSETS(bgep))) { 3671 bge_reg_put32(bgep, MBUF_POOL_BASE_REG, 3672 bgep->chipid.mbuf_base); 3673 bge_reg_put32(bgep, MBUF_POOL_LENGTH_REG, 3674 bgep->chipid.mbuf_length); 3675 bge_reg_put32(bgep, DMAD_POOL_BASE_REG, 3676 DMAD_POOL_BASE_DEFAULT); 3677 bge_reg_put32(bgep, DMAD_POOL_LENGTH_REG, 3678 DMAD_POOL_LENGTH_DEFAULT); 3679 } 3680 3681 /* 3682 * Step 32: configure MAC memory pool watermarks 3683 */ 3684 bge_reg_put32(bgep, RDMA_MBUF_LOWAT_REG, 3685 bgep->chipid.mbuf_lo_water_rdma); 3686 bge_reg_put32(bgep, MAC_RX_MBUF_LOWAT_REG, 3687 bgep->chipid.mbuf_lo_water_rmac); 3688 bge_reg_put32(bgep, MBUF_HIWAT_REG, 3689 bgep->chipid.mbuf_hi_water); 3690 3691 /* 3692 * Step 33: configure DMA resource watermarks 3693 */ 3694 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) { 3695 bge_reg_put32(bgep, DMAD_POOL_LOWAT_REG, 3696 bge_dmad_lo_water); 3697 bge_reg_put32(bgep, DMAD_POOL_HIWAT_REG, 3698 bge_dmad_hi_water); 3699 } 3700 bge_reg_put32(bgep, LOWAT_MAX_RECV_FRAMES_REG, bge_lowat_recv_frames); 3701 3702 /* 3703 * Steps 34-36: enable buffer manager & internal h/w queues 3704 */ 3705 if (!bge_chip_enable_engine(bgep, BUFFER_MANAGER_MODE_REG, 3706 STATE_MACHINE_ATTN_ENABLE_BIT)) 3707 retval = DDI_FAILURE; 3708 if (!bge_chip_enable_engine(bgep, FTQ_RESET_REG, 0)) 3709 retval = DDI_FAILURE; 3710 3711 /* 3712 * Steps 37-39: initialise Receive Buffer (Producer) RCBs 3713 */ 3714 bge_reg_putrcb(bgep, STD_RCV_BD_RING_RCB_REG, 3715 &bgep->buff[BGE_STD_BUFF_RING].hw_rcb); 3716 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) { 3717 bge_reg_putrcb(bgep, JUMBO_RCV_BD_RING_RCB_REG, 3718 &bgep->buff[BGE_JUMBO_BUFF_RING].hw_rcb); 3719 bge_reg_putrcb(bgep, MINI_RCV_BD_RING_RCB_REG, 3720 &bgep->buff[BGE_MINI_BUFF_RING].hw_rcb); 3721 } 3722 3723 /* 3724 * Step 40: set Receive Buffer Descriptor Ring replenish thresholds 3725 */ 3726 bge_reg_put32(bgep, STD_RCV_BD_REPLENISH_REG, bge_replenish_std); 3727 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) { 3728 bge_reg_put32(bgep, JUMBO_RCV_BD_REPLENISH_REG, 3729 bge_replenish_jumbo); 3730 bge_reg_put32(bgep, MINI_RCV_BD_REPLENISH_REG, 3731 bge_replenish_mini); 3732 } 3733 3734 /* 3735 * Steps 41-43: clear Send Ring Producer Indices and initialise 3736 * Send Producer Rings (0x0100-0x01ff in NIC-local memory) 3737 */ 3738 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) 3739 maxring = BGE_SEND_RINGS_MAX; 3740 else 3741 maxring = BGE_SEND_RINGS_MAX_5705; 3742 for (ring = 0; ring < maxring; ++ring) { 3743 bge_mbx_put(bgep, SEND_RING_HOST_INDEX_REG(ring), 0); 3744 bge_mbx_put(bgep, SEND_RING_NIC_INDEX_REG(ring), 0); 3745 bge_nic_putrcb(bgep, NIC_MEM_SEND_RING(ring), 3746 &bgep->send[ring].hw_rcb); 3747 } 3748 3749 /* 3750 * Steps 44-45: initialise Receive Return Rings 3751 * (0x0200-0x02ff in NIC-local memory) 3752 */ 3753 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) 3754 maxring = BGE_RECV_RINGS_MAX; 3755 else 3756 maxring = BGE_RECV_RINGS_MAX_5705; 3757 for (ring = 0; ring < maxring; ++ring) 3758 bge_nic_putrcb(bgep, NIC_MEM_RECV_RING(ring), 3759 &bgep->recv[ring].hw_rcb); 3760 3761 /* 3762 * Step 46: initialise Receive Buffer (Producer) Ring indexes 3763 */ 3764 bge_mbx_put(bgep, RECV_STD_PROD_INDEX_REG, 0); 3765 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) { 3766 bge_mbx_put(bgep, RECV_JUMBO_PROD_INDEX_REG, 0); 3767 bge_mbx_put(bgep, RECV_MINI_PROD_INDEX_REG, 0); 3768 } 3769 /* 3770 * Step 47: configure the MAC unicast address 3771 * Step 48: configure the random backoff seed 3772 * Step 96: set up multicast filters 3773 */ 3774 #ifdef BGE_IPMI_ASF 3775 if (bge_chip_sync(bgep, B_FALSE) == DDI_FAILURE) 3776 #else 3777 if (bge_chip_sync(bgep) == DDI_FAILURE) 3778 #endif 3779 retval = DDI_FAILURE; 3780 3781 /* 3782 * Step 49: configure the MTU 3783 */ 3784 mtu = bgep->chipid.ethmax_size+ETHERFCSL+VLAN_TAGSZ; 3785 bge_reg_put32(bgep, MAC_RX_MTU_SIZE_REG, mtu); 3786 3787 /* 3788 * Step 50: configure the IPG et al 3789 */ 3790 bge_reg_put32(bgep, MAC_TX_LENGTHS_REG, MAC_TX_LENGTHS_DEFAULT); 3791 3792 /* 3793 * Step 51: configure the default Rx Return Ring 3794 */ 3795 bge_reg_put32(bgep, RCV_RULES_CONFIG_REG, RCV_RULES_CONFIG_DEFAULT); 3796 3797 /* 3798 * Steps 52-54: configure Receive List Placement, 3799 * and enable Receive List Placement Statistics 3800 */ 3801 bge_reg_put32(bgep, RCV_LP_CONFIG_REG, 3802 RCV_LP_CONFIG(bgep->chipid.rx_rings)); 3803 switch (MHCR_CHIP_ASIC_REV(bgep->chipid.asic_rev)) { 3804 case MHCR_CHIP_ASIC_REV_5700: 3805 case MHCR_CHIP_ASIC_REV_5701: 3806 case MHCR_CHIP_ASIC_REV_5703: 3807 case MHCR_CHIP_ASIC_REV_5704: 3808 bge_reg_put32(bgep, RCV_LP_STATS_ENABLE_MASK_REG, ~0); 3809 break; 3810 case MHCR_CHIP_ASIC_REV_5705: 3811 break; 3812 default: 3813 stats_mask = bge_reg_get32(bgep, RCV_LP_STATS_ENABLE_MASK_REG); 3814 stats_mask &= ~RCV_LP_STATS_DISABLE_MACTQ; 3815 bge_reg_put32(bgep, RCV_LP_STATS_ENABLE_MASK_REG, stats_mask); 3816 break; 3817 } 3818 bge_reg_set32(bgep, RCV_LP_STATS_CONTROL_REG, RCV_LP_STATS_ENABLE); 3819 3820 if (bgep->chipid.rx_rings > 1) 3821 bge_init_recv_rule(bgep); 3822 3823 /* 3824 * Steps 55-56: enable Send Data Initiator Statistics 3825 */ 3826 bge_reg_put32(bgep, SEND_INIT_STATS_ENABLE_MASK_REG, ~0); 3827 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) { 3828 bge_reg_put32(bgep, SEND_INIT_STATS_CONTROL_REG, 3829 SEND_INIT_STATS_ENABLE | SEND_INIT_STATS_FASTER); 3830 } else { 3831 bge_reg_put32(bgep, SEND_INIT_STATS_CONTROL_REG, 3832 SEND_INIT_STATS_ENABLE); 3833 } 3834 /* 3835 * Steps 57-58: stop (?) the Host Coalescing Engine 3836 */ 3837 if (!bge_chip_disable_engine(bgep, HOST_COALESCE_MODE_REG, ~0)) 3838 retval = DDI_FAILURE; 3839 3840 /* 3841 * Steps 59-62: initialise Host Coalescing parameters 3842 */ 3843 bge_chip_coalesce_update(bgep); 3844 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) { 3845 bge_reg_put32(bgep, SEND_COALESCE_INT_BD_REG, 3846 bge_tx_count_intr); 3847 bge_reg_put32(bgep, SEND_COALESCE_INT_TICKS_REG, 3848 bge_tx_ticks_intr); 3849 bge_reg_put32(bgep, RCV_COALESCE_INT_BD_REG, 3850 bge_rx_count_intr); 3851 bge_reg_put32(bgep, RCV_COALESCE_INT_TICKS_REG, 3852 bge_rx_ticks_intr); 3853 } 3854 3855 /* 3856 * Steps 63-64: initialise status block & statistics 3857 * host memory addresses 3858 * The statistic block does not exist in some chipsets 3859 * Step 65: initialise Statistics Coalescing Tick Counter 3860 */ 3861 bge_reg_put64(bgep, STATUS_BLOCK_HOST_ADDR_REG, 3862 bgep->status_block.cookie.dmac_laddress); 3863 3864 /* 3865 * Steps 66-67: initialise status block & statistics 3866 * NIC-local memory addresses 3867 */ 3868 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) { 3869 bge_reg_put64(bgep, STATISTICS_HOST_ADDR_REG, 3870 bgep->statistics.cookie.dmac_laddress); 3871 bge_reg_put32(bgep, STATISTICS_TICKS_REG, 3872 STATISTICS_TICKS_DEFAULT); 3873 bge_reg_put32(bgep, STATUS_BLOCK_BASE_ADDR_REG, 3874 NIC_MEM_STATUS_BLOCK); 3875 bge_reg_put32(bgep, STATISTICS_BASE_ADDR_REG, 3876 NIC_MEM_STATISTICS); 3877 } 3878 3879 /* 3880 * Steps 68-71: start the Host Coalescing Engine, the Receive BD 3881 * Completion Engine, the Receive List Placement Engine, and the 3882 * Receive List selector.Pay attention:0x3400 is not exist in BCM5714 3883 * and BCM5715. 3884 */ 3885 if (bgep->chipid.tx_rings <= COALESCE_64_BYTE_RINGS && 3886 bgep->chipid.rx_rings <= COALESCE_64_BYTE_RINGS) 3887 coalmode = COALESCE_64_BYTE_STATUS; 3888 else 3889 coalmode = 0; 3890 if (!bge_chip_enable_engine(bgep, HOST_COALESCE_MODE_REG, coalmode)) 3891 retval = DDI_FAILURE; 3892 if (!bge_chip_enable_engine(bgep, RCV_BD_COMPLETION_MODE_REG, 3893 STATE_MACHINE_ATTN_ENABLE_BIT)) 3894 retval = DDI_FAILURE; 3895 if (!bge_chip_enable_engine(bgep, RCV_LIST_PLACEMENT_MODE_REG, 0)) 3896 retval = DDI_FAILURE; 3897 3898 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) 3899 if (!bge_chip_enable_engine(bgep, RCV_LIST_SELECTOR_MODE_REG, 3900 STATE_MACHINE_ATTN_ENABLE_BIT)) 3901 retval = DDI_FAILURE; 3902 3903 /* 3904 * Step 72: Enable MAC DMA engines 3905 * Step 73: Clear & enable MAC statistics 3906 */ 3907 bge_reg_set32(bgep, ETHERNET_MAC_MODE_REG, 3908 ETHERNET_MODE_ENABLE_FHDE | 3909 ETHERNET_MODE_ENABLE_RDE | 3910 ETHERNET_MODE_ENABLE_TDE); 3911 bge_reg_set32(bgep, ETHERNET_MAC_MODE_REG, 3912 ETHERNET_MODE_ENABLE_TX_STATS | 3913 ETHERNET_MODE_ENABLE_RX_STATS | 3914 ETHERNET_MODE_CLEAR_TX_STATS | 3915 ETHERNET_MODE_CLEAR_RX_STATS); 3916 3917 /* 3918 * Step 74: configure the MLCR (Miscellaneous Local Control 3919 * Register); not required, as we set up the MLCR in step 10 3920 * (part of the reset code) above. 3921 * 3922 * Step 75: clear Interrupt Mailbox 0 3923 */ 3924 bge_mbx_put(bgep, INTERRUPT_MBOX_0_REG, 0); 3925 3926 /* 3927 * Steps 76-87: Gentlemen, start your engines ... 3928 * 3929 * Enable the DMA Completion Engine, the Write DMA Engine, 3930 * the Read DMA Engine, Receive Data Completion Engine, 3931 * the MBuf Cluster Free Engine, the Send Data Completion Engine, 3932 * the Send BD Completion Engine, the Receive BD Initiator Engine, 3933 * the Receive Data Initiator Engine, the Send Data Initiator Engine, 3934 * the Send BD Initiator Engine, and the Send BD Selector Engine. 3935 * 3936 * Beware exhaust fumes? 3937 */ 3938 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) 3939 if (!bge_chip_enable_engine(bgep, DMA_COMPLETION_MODE_REG, 0)) 3940 retval = DDI_FAILURE; 3941 dma_wrprio = (bge_dma_wrprio << DMA_PRIORITY_SHIFT) | 3942 ALL_DMA_ATTN_BITS; 3943 if ((MHCR_CHIP_ASIC_REV(bgep->chipid.asic_rev) == 3944 MHCR_CHIP_ASIC_REV_5755) || 3945 (MHCR_CHIP_ASIC_REV(bgep->chipid.asic_rev) == 3946 MHCR_CHIP_ASIC_REV_5906)) { 3947 dma_wrprio |= DMA_STATUS_TAG_FIX_CQ12384; 3948 } 3949 if (!bge_chip_enable_engine(bgep, WRITE_DMA_MODE_REG, 3950 dma_wrprio)) 3951 retval = DDI_FAILURE; 3952 if (!bge_chip_enable_engine(bgep, READ_DMA_MODE_REG, 3953 (bge_dma_rdprio << DMA_PRIORITY_SHIFT) | ALL_DMA_ATTN_BITS)) 3954 retval = DDI_FAILURE; 3955 if (!bge_chip_enable_engine(bgep, RCV_DATA_COMPLETION_MODE_REG, 3956 STATE_MACHINE_ATTN_ENABLE_BIT)) 3957 retval = DDI_FAILURE; 3958 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) 3959 if (!bge_chip_enable_engine(bgep, 3960 MBUF_CLUSTER_FREE_MODE_REG, 0)) 3961 retval = DDI_FAILURE; 3962 if (!bge_chip_enable_engine(bgep, SEND_DATA_COMPLETION_MODE_REG, 0)) 3963 retval = DDI_FAILURE; 3964 if (!bge_chip_enable_engine(bgep, SEND_BD_COMPLETION_MODE_REG, 3965 STATE_MACHINE_ATTN_ENABLE_BIT)) 3966 retval = DDI_FAILURE; 3967 if (!bge_chip_enable_engine(bgep, RCV_BD_INITIATOR_MODE_REG, 3968 RCV_BD_DISABLED_RING_ATTN)) 3969 retval = DDI_FAILURE; 3970 if (!bge_chip_enable_engine(bgep, RCV_DATA_BD_INITIATOR_MODE_REG, 3971 RCV_DATA_BD_ILL_RING_ATTN)) 3972 retval = DDI_FAILURE; 3973 if (!bge_chip_enable_engine(bgep, SEND_DATA_INITIATOR_MODE_REG, 0)) 3974 retval = DDI_FAILURE; 3975 if (!bge_chip_enable_engine(bgep, SEND_BD_INITIATOR_MODE_REG, 3976 STATE_MACHINE_ATTN_ENABLE_BIT)) 3977 retval = DDI_FAILURE; 3978 if (!bge_chip_enable_engine(bgep, SEND_BD_SELECTOR_MODE_REG, 3979 STATE_MACHINE_ATTN_ENABLE_BIT)) 3980 retval = DDI_FAILURE; 3981 3982 /* 3983 * Step 88: download firmware -- doesn't apply 3984 * Steps 89-90: enable Transmit & Receive MAC Engines 3985 */ 3986 if (!bge_chip_enable_engine(bgep, TRANSMIT_MAC_MODE_REG, 0)) 3987 retval = DDI_FAILURE; 3988 #ifdef BGE_IPMI_ASF 3989 if (!bgep->asf_enabled) { 3990 if (!bge_chip_enable_engine(bgep, RECEIVE_MAC_MODE_REG, 3991 RECEIVE_MODE_KEEP_VLAN_TAG)) 3992 retval = DDI_FAILURE; 3993 } else { 3994 if (!bge_chip_enable_engine(bgep, RECEIVE_MAC_MODE_REG, 0)) 3995 retval = DDI_FAILURE; 3996 } 3997 #else 3998 if (!bge_chip_enable_engine(bgep, RECEIVE_MAC_MODE_REG, 3999 RECEIVE_MODE_KEEP_VLAN_TAG)) 4000 retval = DDI_FAILURE; 4001 #endif 4002 4003 /* 4004 * Step 91: disable auto-polling of PHY status 4005 */ 4006 bge_reg_put32(bgep, MI_MODE_REG, MI_MODE_DEFAULT); 4007 4008 /* 4009 * Step 92: configure D0 power state (not required) 4010 * Step 93: initialise LED control register () 4011 */ 4012 ledctl = LED_CONTROL_DEFAULT; 4013 switch (bgep->chipid.device) { 4014 case DEVICE_ID_5700: 4015 case DEVICE_ID_5700x: 4016 case DEVICE_ID_5701: 4017 /* 4018 * Switch to 5700 (MAC) mode on these older chips 4019 */ 4020 ledctl &= ~LED_CONTROL_LED_MODE_MASK; 4021 ledctl |= LED_CONTROL_LED_MODE_5700; 4022 break; 4023 4024 default: 4025 break; 4026 } 4027 bge_reg_put32(bgep, ETHERNET_MAC_LED_CONTROL_REG, ledctl); 4028 4029 /* 4030 * Step 94: activate link 4031 */ 4032 bge_reg_put32(bgep, MI_STATUS_REG, MI_STATUS_LINK); 4033 4034 /* 4035 * Step 95: set up physical layer (PHY/SerDes) 4036 * restart autoneg (if required) 4037 */ 4038 if (reset_phys) 4039 if (bge_phys_update(bgep) == DDI_FAILURE) 4040 retval = DDI_FAILURE; 4041 4042 /* 4043 * Extra step (DSG): hand over all the Receive Buffers to the chip 4044 */ 4045 for (ring = 0; ring < BGE_BUFF_RINGS_USED; ++ring) 4046 bge_mbx_put(bgep, bgep->buff[ring].chip_mbx_reg, 4047 bgep->buff[ring].rf_next); 4048 4049 /* 4050 * MSI bits:The least significant MSI 16-bit word. 4051 * ISR will be triggered different. 4052 */ 4053 if (bgep->intr_type == DDI_INTR_TYPE_MSI) 4054 bge_reg_set32(bgep, HOST_COALESCE_MODE_REG, 0x70); 4055 4056 /* 4057 * Extra step (DSG): select which interrupts are enabled 4058 * 4059 * Program the Ethernet MAC engine to signal attention on 4060 * Link Change events, then enable interrupts on MAC, DMA, 4061 * and FLOW attention signals. 4062 */ 4063 bge_reg_set32(bgep, ETHERNET_MAC_EVENT_ENABLE_REG, 4064 ETHERNET_EVENT_LINK_INT | 4065 ETHERNET_STATUS_PCS_ERROR_INT); 4066 #ifdef BGE_IPMI_ASF 4067 if (bgep->asf_enabled) { 4068 bge_reg_set32(bgep, MODE_CONTROL_REG, 4069 MODE_INT_ON_FLOW_ATTN | 4070 MODE_INT_ON_DMA_ATTN | 4071 MODE_HOST_STACK_UP| 4072 MODE_INT_ON_MAC_ATTN); 4073 } else { 4074 #endif 4075 bge_reg_set32(bgep, MODE_CONTROL_REG, 4076 MODE_INT_ON_FLOW_ATTN | 4077 MODE_INT_ON_DMA_ATTN | 4078 MODE_INT_ON_MAC_ATTN); 4079 #ifdef BGE_IPMI_ASF 4080 } 4081 #endif 4082 4083 /* 4084 * Step 97: enable PCI interrupts!!! 4085 */ 4086 if (bgep->intr_type == DDI_INTR_TYPE_FIXED) 4087 bge_cfg_clr32(bgep, PCI_CONF_BGE_MHCR, 4088 MHCR_MASK_PCI_INT_OUTPUT); 4089 4090 /* 4091 * All done! 4092 */ 4093 bgep->bge_chip_state = BGE_CHIP_RUNNING; 4094 return (retval); 4095 } 4096 4097 4098 /* 4099 * ========== Hardware interrupt handler ========== 4100 */ 4101 4102 #undef BGE_DBG 4103 #define BGE_DBG BGE_DBG_INT /* debug flag for this code */ 4104 4105 /* 4106 * Sync the status block, then atomically clear the specified bits in 4107 * the <flags-and-tag> field of the status block. 4108 * the <flags> word of the status block, returning the value of the 4109 * <tag> and the <flags> before the bits were cleared. 4110 */ 4111 static int bge_status_sync(bge_t *bgep, uint64_t bits, uint64_t *flags); 4112 #pragma inline(bge_status_sync) 4113 4114 static int 4115 bge_status_sync(bge_t *bgep, uint64_t bits, uint64_t *flags) 4116 { 4117 bge_status_t *bsp; 4118 int retval; 4119 4120 BGE_TRACE(("bge_status_sync($%p, 0x%llx)", 4121 (void *)bgep, bits)); 4122 4123 ASSERT(bgep->bge_guard == BGE_GUARD); 4124 4125 DMA_SYNC(bgep->status_block, DDI_DMA_SYNC_FORKERNEL); 4126 retval = bge_check_dma_handle(bgep, bgep->status_block.dma_hdl); 4127 if (retval != DDI_FM_OK) 4128 return (retval); 4129 4130 bsp = DMA_VPTR(bgep->status_block); 4131 *flags = bge_atomic_clr64(&bsp->flags_n_tag, bits); 4132 4133 BGE_DEBUG(("bge_status_sync($%p, 0x%llx) returning 0x%llx", 4134 (void *)bgep, bits, *flags)); 4135 4136 return (retval); 4137 } 4138 4139 void bge_wake_factotum(bge_t *bgep); 4140 #pragma inline(bge_wake_factotum) 4141 4142 void 4143 bge_wake_factotum(bge_t *bgep) 4144 { 4145 mutex_enter(bgep->softintrlock); 4146 if (bgep->factotum_flag == 0) { 4147 bgep->factotum_flag = 1; 4148 ddi_trigger_softintr(bgep->factotum_id); 4149 } 4150 mutex_exit(bgep->softintrlock); 4151 } 4152 4153 /* 4154 * bge_intr() -- handle chip interrupts 4155 */ 4156 uint_t bge_intr(caddr_t arg1, caddr_t arg2); 4157 #pragma no_inline(bge_intr) 4158 4159 uint_t 4160 bge_intr(caddr_t arg1, caddr_t arg2) 4161 { 4162 bge_t *bgep = (void *)arg1; /* private device info */ 4163 bge_status_t *bsp; 4164 uint64_t flags; 4165 uint32_t regval; 4166 uint_t result; 4167 int retval, loop_cnt = 0; 4168 4169 BGE_TRACE(("bge_intr($%p) ($%p)", arg1, arg2)); 4170 4171 /* 4172 * GLD v2 checks that s/w setup is complete before passing 4173 * interrupts to this routine, thus eliminating the old 4174 * (and well-known) race condition around ddi_add_intr() 4175 */ 4176 ASSERT(bgep->progress & PROGRESS_HWINT); 4177 4178 result = DDI_INTR_UNCLAIMED; 4179 mutex_enter(bgep->genlock); 4180 4181 if (bgep->intr_type == DDI_INTR_TYPE_FIXED) { 4182 /* 4183 * Check whether chip's says it's asserting #INTA; 4184 * if not, don't process or claim the interrupt. 4185 * 4186 * Note that the PCI signal is active low, so the 4187 * bit is *zero* when the interrupt is asserted. 4188 */ 4189 regval = bge_reg_get32(bgep, MISC_LOCAL_CONTROL_REG); 4190 if (regval & MLCR_INTA_STATE) { 4191 if (bge_check_acc_handle(bgep, bgep->io_handle) 4192 != DDI_FM_OK) 4193 goto chip_stop; 4194 mutex_exit(bgep->genlock); 4195 return (result); 4196 } 4197 4198 /* 4199 * Block further PCI interrupts ... 4200 */ 4201 bge_reg_set32(bgep, PCI_CONF_BGE_MHCR, 4202 MHCR_MASK_PCI_INT_OUTPUT); 4203 4204 } else { 4205 /* 4206 * Check MSI status 4207 */ 4208 regval = bge_reg_get32(bgep, MSI_STATUS_REG); 4209 if (regval & MSI_ERROR_ATTENTION) { 4210 BGE_REPORT((bgep, "msi error attention," 4211 " status=0x%x", regval)); 4212 bge_reg_put32(bgep, MSI_STATUS_REG, regval); 4213 } 4214 } 4215 4216 result = DDI_INTR_CLAIMED; 4217 4218 BGE_DEBUG(("bge_intr($%p) ($%p) regval 0x%08x", arg1, arg2, regval)); 4219 4220 /* 4221 * Sync the status block and grab the flags-n-tag from it. 4222 * We count the number of interrupts where there doesn't 4223 * seem to have been a DMA update of the status block; if 4224 * it *has* been updated, the counter will be cleared in 4225 * the while() loop below ... 4226 */ 4227 bgep->missed_dmas += 1; 4228 bsp = DMA_VPTR(bgep->status_block); 4229 for (loop_cnt = 0; loop_cnt < bge_intr_max_loop; loop_cnt++) { 4230 if (bgep->bge_chip_state != BGE_CHIP_RUNNING) { 4231 /* 4232 * bge_chip_stop() may have freed dma area etc 4233 * while we were in this interrupt handler - 4234 * better not call bge_status_sync() 4235 */ 4236 (void) bge_check_acc_handle(bgep, 4237 bgep->io_handle); 4238 mutex_exit(bgep->genlock); 4239 return (DDI_INTR_CLAIMED); 4240 } 4241 retval = bge_status_sync(bgep, STATUS_FLAG_UPDATED, 4242 &flags); 4243 if (retval != DDI_FM_OK) { 4244 bgep->bge_dma_error = B_TRUE; 4245 goto chip_stop; 4246 } 4247 4248 if (!(flags & STATUS_FLAG_UPDATED)) 4249 break; 4250 4251 /* 4252 * Tell the chip that we're processing the interrupt 4253 */ 4254 bge_mbx_put(bgep, INTERRUPT_MBOX_0_REG, 4255 INTERRUPT_MBOX_DISABLE(flags)); 4256 if (bge_check_acc_handle(bgep, bgep->io_handle) != 4257 DDI_FM_OK) 4258 goto chip_stop; 4259 4260 /* 4261 * Drop the mutex while we: 4262 * Receive any newly-arrived packets 4263 * Recycle any newly-finished send buffers 4264 */ 4265 bgep->bge_intr_running = B_TRUE; 4266 mutex_exit(bgep->genlock); 4267 bge_receive(bgep, bsp); 4268 bge_recycle(bgep, bsp); 4269 mutex_enter(bgep->genlock); 4270 bgep->bge_intr_running = B_FALSE; 4271 4272 /* 4273 * Tell the chip we've finished processing, and 4274 * give it the tag that we got from the status 4275 * block earlier, so that it knows just how far 4276 * we've gone. If it's got more for us to do, 4277 * it will now update the status block and try 4278 * to assert an interrupt (but we've got the 4279 * #INTA blocked at present). If we see the 4280 * update, we'll loop around to do some more. 4281 * Eventually we'll get out of here ... 4282 */ 4283 bge_mbx_put(bgep, INTERRUPT_MBOX_0_REG, 4284 INTERRUPT_MBOX_ENABLE(flags)); 4285 if (bgep->chipid.pci_type == BGE_PCI_E) 4286 (void) bge_mbx_get(bgep, INTERRUPT_MBOX_0_REG); 4287 bgep->missed_dmas = 0; 4288 } 4289 4290 /* 4291 * Check for exceptional conditions that we need to handle 4292 * 4293 * Link status changed 4294 * Status block not updated 4295 */ 4296 if (flags & STATUS_FLAG_LINK_CHANGED) 4297 bge_wake_factotum(bgep); 4298 4299 if (bgep->missed_dmas) { 4300 /* 4301 * Probably due to the internal status tag not 4302 * being reset. Force a status block update now; 4303 * this should ensure that we get an update and 4304 * a new interrupt. After that, we should be in 4305 * sync again ... 4306 */ 4307 BGE_REPORT((bgep, "interrupt: flags 0x%llx - " 4308 "not updated?", flags)); 4309 bgep->missed_updates++; 4310 bge_reg_set32(bgep, HOST_COALESCE_MODE_REG, 4311 COALESCE_NOW); 4312 4313 if (bgep->missed_dmas >= bge_dma_miss_limit) { 4314 /* 4315 * If this happens multiple times in a row, 4316 * it means DMA is just not working. Maybe 4317 * the chip's failed, or maybe there's a 4318 * problem on the PCI bus or in the host-PCI 4319 * bridge (Tomatillo). 4320 * 4321 * At all events, we want to stop further 4322 * interrupts and let the recovery code take 4323 * over to see whether anything can be done 4324 * about it ... 4325 */ 4326 bge_fm_ereport(bgep, 4327 DDI_FM_DEVICE_BADINT_LIMIT); 4328 goto chip_stop; 4329 } 4330 } 4331 4332 /* 4333 * Reenable assertion of #INTA, unless there's a DMA fault 4334 */ 4335 if (bgep->intr_type == DDI_INTR_TYPE_FIXED) { 4336 bge_reg_clr32(bgep, PCI_CONF_BGE_MHCR, 4337 MHCR_MASK_PCI_INT_OUTPUT); 4338 if (bge_check_acc_handle(bgep, bgep->cfg_handle) != 4339 DDI_FM_OK) 4340 goto chip_stop; 4341 } 4342 4343 if (bge_check_acc_handle(bgep, bgep->io_handle) != DDI_FM_OK) 4344 goto chip_stop; 4345 4346 mutex_exit(bgep->genlock); 4347 return (result); 4348 4349 chip_stop: 4350 #ifdef BGE_IPMI_ASF 4351 if (bgep->asf_enabled && bgep->asf_status == ASF_STAT_RUN) { 4352 /* 4353 * We must stop ASF heart beat before 4354 * bge_chip_stop(), otherwise some 4355 * computers (ex. IBM HS20 blade 4356 * server) may crash. 4357 */ 4358 bge_asf_update_status(bgep); 4359 bge_asf_stop_timer(bgep); 4360 bgep->asf_status = ASF_STAT_STOP; 4361 4362 bge_asf_pre_reset_operations(bgep, BGE_INIT_RESET); 4363 (void) bge_check_acc_handle(bgep, bgep->cfg_handle); 4364 } 4365 #endif 4366 bge_chip_stop(bgep, B_TRUE); 4367 (void) bge_check_acc_handle(bgep, bgep->io_handle); 4368 mutex_exit(bgep->genlock); 4369 return (result); 4370 } 4371 4372 /* 4373 * ========== Factotum, implemented as a softint handler ========== 4374 */ 4375 4376 #undef BGE_DBG 4377 #define BGE_DBG BGE_DBG_FACT /* debug flag for this code */ 4378 4379 static void bge_factotum_error_handler(bge_t *bgep); 4380 #pragma no_inline(bge_factotum_error_handler) 4381 4382 static void 4383 bge_factotum_error_handler(bge_t *bgep) 4384 { 4385 uint32_t flow; 4386 uint32_t rdma; 4387 uint32_t wdma; 4388 uint32_t tmac; 4389 uint32_t rmac; 4390 uint32_t rxrs; 4391 uint32_t txrs = 0; 4392 4393 ASSERT(mutex_owned(bgep->genlock)); 4394 4395 /* 4396 * Read all the registers that show the possible 4397 * reasons for the ERROR bit to be asserted 4398 */ 4399 flow = bge_reg_get32(bgep, FLOW_ATTN_REG); 4400 rdma = bge_reg_get32(bgep, READ_DMA_STATUS_REG); 4401 wdma = bge_reg_get32(bgep, WRITE_DMA_STATUS_REG); 4402 tmac = bge_reg_get32(bgep, TRANSMIT_MAC_STATUS_REG); 4403 rmac = bge_reg_get32(bgep, RECEIVE_MAC_STATUS_REG); 4404 rxrs = bge_reg_get32(bgep, RX_RISC_STATE_REG); 4405 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) 4406 txrs = bge_reg_get32(bgep, TX_RISC_STATE_REG); 4407 4408 BGE_DEBUG(("factotum($%p) flow 0x%x rdma 0x%x wdma 0x%x", 4409 (void *)bgep, flow, rdma, wdma)); 4410 BGE_DEBUG(("factotum($%p) tmac 0x%x rmac 0x%x rxrs 0x%08x txrs 0x%08x", 4411 (void *)bgep, tmac, rmac, rxrs, txrs)); 4412 4413 /* 4414 * For now, just clear all the errors ... 4415 */ 4416 if (DEVICE_5704_SERIES_CHIPSETS(bgep)) 4417 bge_reg_put32(bgep, TX_RISC_STATE_REG, ~0); 4418 bge_reg_put32(bgep, RX_RISC_STATE_REG, ~0); 4419 bge_reg_put32(bgep, RECEIVE_MAC_STATUS_REG, ~0); 4420 bge_reg_put32(bgep, WRITE_DMA_STATUS_REG, ~0); 4421 bge_reg_put32(bgep, READ_DMA_STATUS_REG, ~0); 4422 bge_reg_put32(bgep, FLOW_ATTN_REG, ~0); 4423 } 4424 4425 /* 4426 * Handler for hardware link state change. 4427 * 4428 * When this routine is called, the hardware link state has changed 4429 * and the new state is reflected in the param_* variables. Here 4430 * we must update the softstate and reprogram the MAC to match. 4431 */ 4432 static void bge_factotum_link_handler(bge_t *bgep); 4433 #pragma no_inline(bge_factotum_link_handler) 4434 4435 static void 4436 bge_factotum_link_handler(bge_t *bgep) 4437 { 4438 ASSERT(mutex_owned(bgep->genlock)); 4439 4440 /* 4441 * Update the s/w link_state 4442 */ 4443 if (bgep->param_link_up) 4444 bgep->link_state = LINK_STATE_UP; 4445 else 4446 bgep->link_state = LINK_STATE_DOWN; 4447 4448 /* 4449 * Reprogram the MAC modes to match 4450 */ 4451 bge_sync_mac_modes(bgep); 4452 } 4453 4454 static boolean_t bge_factotum_link_check(bge_t *bgep, int *dma_state); 4455 #pragma no_inline(bge_factotum_link_check) 4456 4457 static boolean_t 4458 bge_factotum_link_check(bge_t *bgep, int *dma_state) 4459 { 4460 boolean_t check; 4461 uint64_t flags; 4462 uint32_t tmac_status; 4463 4464 ASSERT(mutex_owned(bgep->genlock)); 4465 4466 /* 4467 * Get & clear the writable status bits in the Tx status register 4468 * (some bits are write-1-to-clear, others are just readonly). 4469 */ 4470 tmac_status = bge_reg_get32(bgep, TRANSMIT_MAC_STATUS_REG); 4471 bge_reg_put32(bgep, TRANSMIT_MAC_STATUS_REG, tmac_status); 4472 4473 /* 4474 * Get & clear the ERROR and LINK_CHANGED bits from the status block 4475 */ 4476 *dma_state = bge_status_sync(bgep, STATUS_FLAG_ERROR | 4477 STATUS_FLAG_LINK_CHANGED, &flags); 4478 if (*dma_state != DDI_FM_OK) 4479 return (B_FALSE); 4480 4481 /* 4482 * Clear any errors flagged in the status block ... 4483 */ 4484 if (flags & STATUS_FLAG_ERROR) 4485 bge_factotum_error_handler(bgep); 4486 4487 /* 4488 * We need to check the link status if: 4489 * the status block says there's been a link change 4490 * or there's any discrepancy between the various 4491 * flags indicating the link state (link_state, 4492 * param_link_up, and the LINK STATE bit in the 4493 * Transmit MAC status register). 4494 */ 4495 check = (flags & STATUS_FLAG_LINK_CHANGED) != 0; 4496 switch (bgep->link_state) { 4497 case LINK_STATE_UP: 4498 check |= (bgep->param_link_up == B_FALSE); 4499 check |= ((tmac_status & TRANSMIT_STATUS_LINK_UP) == 0); 4500 break; 4501 4502 case LINK_STATE_DOWN: 4503 check |= (bgep->param_link_up != B_FALSE); 4504 check |= ((tmac_status & TRANSMIT_STATUS_LINK_UP) != 0); 4505 break; 4506 4507 default: 4508 check = B_TRUE; 4509 break; 4510 } 4511 4512 /* 4513 * If <check> is false, we're sure the link hasn't changed. 4514 * If true, however, it's not yet definitive; we have to call 4515 * bge_phys_check() to determine whether the link has settled 4516 * into a new state yet ... and if it has, then call the link 4517 * state change handler.But when the chip is 5700 in Dell 6650 4518 * ,even if check is false, the link may have changed.So we 4519 * have to call bge_phys_check() to determine the link state. 4520 */ 4521 if (check || bgep->chipid.device == DEVICE_ID_5700) { 4522 check = bge_phys_check(bgep); 4523 if (check) 4524 bge_factotum_link_handler(bgep); 4525 } 4526 4527 return (check); 4528 } 4529 4530 /* 4531 * Factotum routine to check for Tx stall, using the 'watchdog' counter 4532 */ 4533 static boolean_t bge_factotum_stall_check(bge_t *bgep); 4534 #pragma no_inline(bge_factotum_stall_check) 4535 4536 static boolean_t 4537 bge_factotum_stall_check(bge_t *bgep) 4538 { 4539 uint32_t dogval; 4540 4541 ASSERT(mutex_owned(bgep->genlock)); 4542 4543 /* 4544 * Specific check for Tx stall ... 4545 * 4546 * The 'watchdog' counter is incremented whenever a packet 4547 * is queued, reset to 1 when some (but not all) buffers 4548 * are reclaimed, reset to 0 (disabled) when all buffers 4549 * are reclaimed, and shifted left here. If it exceeds the 4550 * threshold value, the chip is assumed to have stalled and 4551 * is put into the ERROR state. The factotum will then reset 4552 * it on the next pass. 4553 * 4554 * All of which should ensure that we don't get into a state 4555 * where packets are left pending indefinitely! 4556 */ 4557 dogval = bge_atomic_shl32(&bgep->watchdog, 1); 4558 if (dogval < bge_watchdog_count) 4559 return (B_FALSE); 4560 4561 #if !defined(BGE_NETCONSOLE) 4562 BGE_REPORT((bgep, "Tx stall detected, watchdog code 0x%x", dogval)); 4563 #endif 4564 bge_fm_ereport(bgep, DDI_FM_DEVICE_STALL); 4565 return (B_TRUE); 4566 } 4567 4568 /* 4569 * The factotum is woken up when there's something to do that we'd rather 4570 * not do from inside a hardware interrupt handler or high-level cyclic. 4571 * Its two main tasks are: 4572 * reset & restart the chip after an error 4573 * check the link status whenever necessary 4574 */ 4575 uint_t bge_chip_factotum(caddr_t arg); 4576 #pragma no_inline(bge_chip_factotum) 4577 4578 uint_t 4579 bge_chip_factotum(caddr_t arg) 4580 { 4581 bge_t *bgep; 4582 uint_t result; 4583 boolean_t error; 4584 boolean_t linkchg; 4585 int dma_state; 4586 4587 bgep = (void *)arg; 4588 4589 BGE_TRACE(("bge_chip_factotum($%p)", (void *)bgep)); 4590 4591 mutex_enter(bgep->softintrlock); 4592 if (bgep->factotum_flag == 0) { 4593 mutex_exit(bgep->softintrlock); 4594 return (DDI_INTR_UNCLAIMED); 4595 } 4596 bgep->factotum_flag = 0; 4597 mutex_exit(bgep->softintrlock); 4598 4599 result = DDI_INTR_CLAIMED; 4600 error = B_FALSE; 4601 linkchg = B_FALSE; 4602 4603 mutex_enter(bgep->genlock); 4604 switch (bgep->bge_chip_state) { 4605 default: 4606 break; 4607 4608 case BGE_CHIP_RUNNING: 4609 linkchg = bge_factotum_link_check(bgep, &dma_state); 4610 error = bge_factotum_stall_check(bgep); 4611 if (dma_state != DDI_FM_OK) { 4612 bgep->bge_dma_error = B_TRUE; 4613 error = B_TRUE; 4614 } 4615 if (bge_check_acc_handle(bgep, bgep->io_handle) != DDI_FM_OK) 4616 error = B_TRUE; 4617 if (error) 4618 bgep->bge_chip_state = BGE_CHIP_ERROR; 4619 break; 4620 4621 case BGE_CHIP_ERROR: 4622 error = B_TRUE; 4623 break; 4624 4625 case BGE_CHIP_FAULT: 4626 /* 4627 * Fault detected, time to reset ... 4628 */ 4629 if (bge_autorecover) { 4630 if (!(bgep->progress & PROGRESS_BUFS)) { 4631 /* 4632 * if we can't allocate the ring buffers, 4633 * try later 4634 */ 4635 if (bge_alloc_bufs(bgep) != DDI_SUCCESS) { 4636 mutex_exit(bgep->genlock); 4637 return (result); 4638 } 4639 bgep->progress |= PROGRESS_BUFS; 4640 } 4641 if (!(bgep->progress & PROGRESS_INTR)) { 4642 bge_init_rings(bgep); 4643 bge_intr_enable(bgep); 4644 bgep->progress |= PROGRESS_INTR; 4645 } 4646 if (!(bgep->progress & PROGRESS_KSTATS)) { 4647 bge_init_kstats(bgep, 4648 ddi_get_instance(bgep->devinfo)); 4649 bgep->progress |= PROGRESS_KSTATS; 4650 } 4651 4652 BGE_REPORT((bgep, "automatic recovery activated")); 4653 4654 if (bge_restart(bgep, B_FALSE) != DDI_SUCCESS) { 4655 bgep->bge_chip_state = BGE_CHIP_ERROR; 4656 error = B_TRUE; 4657 } 4658 if (bge_check_acc_handle(bgep, bgep->cfg_handle) != 4659 DDI_FM_OK) { 4660 bgep->bge_chip_state = BGE_CHIP_ERROR; 4661 error = B_TRUE; 4662 } 4663 if (bge_check_acc_handle(bgep, bgep->io_handle) != 4664 DDI_FM_OK) { 4665 bgep->bge_chip_state = BGE_CHIP_ERROR; 4666 error = B_TRUE; 4667 } 4668 if (error == B_FALSE) { 4669 #ifdef BGE_IPMI_ASF 4670 if (bgep->asf_enabled && 4671 bgep->asf_status != ASF_STAT_RUN) { 4672 bgep->asf_timeout_id = timeout( 4673 bge_asf_heartbeat, (void *)bgep, 4674 drv_usectohz( 4675 BGE_ASF_HEARTBEAT_INTERVAL)); 4676 bgep->asf_status = ASF_STAT_RUN; 4677 } 4678 #endif 4679 if (!bgep->manual_reset) { 4680 ddi_fm_service_impact(bgep->devinfo, 4681 DDI_SERVICE_RESTORED); 4682 } 4683 } 4684 } 4685 break; 4686 } 4687 4688 4689 /* 4690 * If an error is detected, stop the chip now, marking it as 4691 * faulty, so that it will be reset next time through ... 4692 * 4693 * Note that if intr_running is set, then bge_intr() has dropped 4694 * genlock to call bge_receive/bge_recycle. Can't stop the chip at 4695 * this point so have to wait until the next time the factotum runs. 4696 */ 4697 if (error && !bgep->bge_intr_running) { 4698 #ifdef BGE_IPMI_ASF 4699 if (bgep->asf_enabled && (bgep->asf_status == ASF_STAT_RUN)) { 4700 /* 4701 * We must stop ASF heart beat before bge_chip_stop(), 4702 * otherwise some computers (ex. IBM HS20 blade server) 4703 * may crash. 4704 */ 4705 bge_asf_update_status(bgep); 4706 bge_asf_stop_timer(bgep); 4707 bgep->asf_status = ASF_STAT_STOP; 4708 4709 bge_asf_pre_reset_operations(bgep, BGE_INIT_RESET); 4710 (void) bge_check_acc_handle(bgep, bgep->cfg_handle); 4711 } 4712 #endif 4713 bge_chip_stop(bgep, B_TRUE); 4714 (void) bge_check_acc_handle(bgep, bgep->io_handle); 4715 } 4716 mutex_exit(bgep->genlock); 4717 4718 /* 4719 * If the link state changed, tell the world about it. 4720 * Note: can't do this while still holding the mutex. 4721 */ 4722 if (bgep->link_update_timer == BGE_LINK_UPDATE_TIMEOUT && 4723 bgep->link_state != LINK_STATE_UNKNOWN) 4724 linkchg = B_TRUE; 4725 else if (bgep->link_update_timer < BGE_LINK_UPDATE_TIMEOUT && 4726 bgep->link_state == LINK_STATE_DOWN) 4727 linkchg = B_FALSE; 4728 4729 if (linkchg) { 4730 mac_link_update(bgep->mh, bgep->link_state); 4731 bgep->link_update_timer = BGE_LINK_UPDATE_DONE; 4732 } 4733 if (bgep->manual_reset) { 4734 bgep->manual_reset = B_FALSE; 4735 } 4736 4737 return (result); 4738 } 4739 4740 /* 4741 * High-level cyclic handler 4742 * 4743 * This routine schedules a (low-level) softint callback to the 4744 * factotum, and prods the chip to update the status block (which 4745 * will cause a hardware interrupt when complete). 4746 */ 4747 void bge_chip_cyclic(void *arg); 4748 #pragma no_inline(bge_chip_cyclic) 4749 4750 void 4751 bge_chip_cyclic(void *arg) 4752 { 4753 bge_t *bgep; 4754 4755 bgep = arg; 4756 4757 switch (bgep->bge_chip_state) { 4758 default: 4759 return; 4760 4761 case BGE_CHIP_RUNNING: 4762 bge_reg_set32(bgep, HOST_COALESCE_MODE_REG, COALESCE_NOW); 4763 if (bge_check_acc_handle(bgep, bgep->io_handle) != DDI_FM_OK) 4764 ddi_fm_service_impact(bgep->devinfo, 4765 DDI_SERVICE_UNAFFECTED); 4766 4767 if (bgep->link_update_timer < BGE_LINK_UPDATE_TIMEOUT) 4768 bgep->link_update_timer++; 4769 4770 break; 4771 4772 case BGE_CHIP_FAULT: 4773 case BGE_CHIP_ERROR: 4774 break; 4775 } 4776 4777 bge_wake_factotum(bgep); 4778 } 4779 4780 4781 /* 4782 * ========== Ioctl subfunctions ========== 4783 */ 4784 4785 #undef BGE_DBG 4786 #define BGE_DBG BGE_DBG_PPIO /* debug flag for this code */ 4787 4788 #if BGE_DEBUGGING || BGE_DO_PPIO 4789 4790 static void bge_chip_peek_cfg(bge_t *bgep, bge_peekpoke_t *ppd); 4791 #pragma no_inline(bge_chip_peek_cfg) 4792 4793 static void 4794 bge_chip_peek_cfg(bge_t *bgep, bge_peekpoke_t *ppd) 4795 { 4796 uint64_t regval; 4797 uint64_t regno; 4798 4799 BGE_TRACE(("bge_chip_peek_cfg($%p, $%p)", 4800 (void *)bgep, (void *)ppd)); 4801 4802 regno = ppd->pp_acc_offset; 4803 4804 switch (ppd->pp_acc_size) { 4805 case 1: 4806 regval = pci_config_get8(bgep->cfg_handle, regno); 4807 break; 4808 4809 case 2: 4810 regval = pci_config_get16(bgep->cfg_handle, regno); 4811 break; 4812 4813 case 4: 4814 regval = pci_config_get32(bgep->cfg_handle, regno); 4815 break; 4816 4817 case 8: 4818 regval = pci_config_get64(bgep->cfg_handle, regno); 4819 break; 4820 } 4821 4822 ppd->pp_acc_data = regval; 4823 } 4824 4825 static void bge_chip_poke_cfg(bge_t *bgep, bge_peekpoke_t *ppd); 4826 #pragma no_inline(bge_chip_poke_cfg) 4827 4828 static void 4829 bge_chip_poke_cfg(bge_t *bgep, bge_peekpoke_t *ppd) 4830 { 4831 uint64_t regval; 4832 uint64_t regno; 4833 4834 BGE_TRACE(("bge_chip_poke_cfg($%p, $%p)", 4835 (void *)bgep, (void *)ppd)); 4836 4837 regno = ppd->pp_acc_offset; 4838 regval = ppd->pp_acc_data; 4839 4840 switch (ppd->pp_acc_size) { 4841 case 1: 4842 pci_config_put8(bgep->cfg_handle, regno, regval); 4843 break; 4844 4845 case 2: 4846 pci_config_put16(bgep->cfg_handle, regno, regval); 4847 break; 4848 4849 case 4: 4850 pci_config_put32(bgep->cfg_handle, regno, regval); 4851 break; 4852 4853 case 8: 4854 pci_config_put64(bgep->cfg_handle, regno, regval); 4855 break; 4856 } 4857 } 4858 4859 static void bge_chip_peek_reg(bge_t *bgep, bge_peekpoke_t *ppd); 4860 #pragma no_inline(bge_chip_peek_reg) 4861 4862 static void 4863 bge_chip_peek_reg(bge_t *bgep, bge_peekpoke_t *ppd) 4864 { 4865 uint64_t regval; 4866 void *regaddr; 4867 4868 BGE_TRACE(("bge_chip_peek_reg($%p, $%p)", 4869 (void *)bgep, (void *)ppd)); 4870 4871 regaddr = PIO_ADDR(bgep, ppd->pp_acc_offset); 4872 4873 switch (ppd->pp_acc_size) { 4874 case 1: 4875 regval = ddi_get8(bgep->io_handle, regaddr); 4876 break; 4877 4878 case 2: 4879 regval = ddi_get16(bgep->io_handle, regaddr); 4880 break; 4881 4882 case 4: 4883 regval = ddi_get32(bgep->io_handle, regaddr); 4884 break; 4885 4886 case 8: 4887 regval = ddi_get64(bgep->io_handle, regaddr); 4888 break; 4889 } 4890 4891 ppd->pp_acc_data = regval; 4892 } 4893 4894 static void bge_chip_poke_reg(bge_t *bgep, bge_peekpoke_t *ppd); 4895 #pragma no_inline(bge_chip_peek_reg) 4896 4897 static void 4898 bge_chip_poke_reg(bge_t *bgep, bge_peekpoke_t *ppd) 4899 { 4900 uint64_t regval; 4901 void *regaddr; 4902 4903 BGE_TRACE(("bge_chip_poke_reg($%p, $%p)", 4904 (void *)bgep, (void *)ppd)); 4905 4906 regaddr = PIO_ADDR(bgep, ppd->pp_acc_offset); 4907 regval = ppd->pp_acc_data; 4908 4909 switch (ppd->pp_acc_size) { 4910 case 1: 4911 ddi_put8(bgep->io_handle, regaddr, regval); 4912 break; 4913 4914 case 2: 4915 ddi_put16(bgep->io_handle, regaddr, regval); 4916 break; 4917 4918 case 4: 4919 ddi_put32(bgep->io_handle, regaddr, regval); 4920 break; 4921 4922 case 8: 4923 ddi_put64(bgep->io_handle, regaddr, regval); 4924 break; 4925 } 4926 BGE_PCICHK(bgep); 4927 } 4928 4929 static void bge_chip_peek_nic(bge_t *bgep, bge_peekpoke_t *ppd); 4930 #pragma no_inline(bge_chip_peek_nic) 4931 4932 static void 4933 bge_chip_peek_nic(bge_t *bgep, bge_peekpoke_t *ppd) 4934 { 4935 uint64_t regoff; 4936 uint64_t regval; 4937 void *regaddr; 4938 4939 BGE_TRACE(("bge_chip_peek_nic($%p, $%p)", 4940 (void *)bgep, (void *)ppd)); 4941 4942 regoff = ppd->pp_acc_offset; 4943 bge_nic_setwin(bgep, regoff & ~MWBAR_GRANULE_MASK); 4944 regoff &= MWBAR_GRANULE_MASK; 4945 regoff += NIC_MEM_WINDOW_OFFSET; 4946 regaddr = PIO_ADDR(bgep, regoff); 4947 4948 switch (ppd->pp_acc_size) { 4949 case 1: 4950 regval = ddi_get8(bgep->io_handle, regaddr); 4951 break; 4952 4953 case 2: 4954 regval = ddi_get16(bgep->io_handle, regaddr); 4955 break; 4956 4957 case 4: 4958 regval = ddi_get32(bgep->io_handle, regaddr); 4959 break; 4960 4961 case 8: 4962 regval = ddi_get64(bgep->io_handle, regaddr); 4963 break; 4964 } 4965 4966 ppd->pp_acc_data = regval; 4967 } 4968 4969 static void bge_chip_poke_nic(bge_t *bgep, bge_peekpoke_t *ppd); 4970 #pragma no_inline(bge_chip_poke_nic) 4971 4972 static void 4973 bge_chip_poke_nic(bge_t *bgep, bge_peekpoke_t *ppd) 4974 { 4975 uint64_t regoff; 4976 uint64_t regval; 4977 void *regaddr; 4978 4979 BGE_TRACE(("bge_chip_poke_nic($%p, $%p)", 4980 (void *)bgep, (void *)ppd)); 4981 4982 regoff = ppd->pp_acc_offset; 4983 bge_nic_setwin(bgep, regoff & ~MWBAR_GRANULE_MASK); 4984 regoff &= MWBAR_GRANULE_MASK; 4985 regoff += NIC_MEM_WINDOW_OFFSET; 4986 regaddr = PIO_ADDR(bgep, regoff); 4987 regval = ppd->pp_acc_data; 4988 4989 switch (ppd->pp_acc_size) { 4990 case 1: 4991 ddi_put8(bgep->io_handle, regaddr, regval); 4992 break; 4993 4994 case 2: 4995 ddi_put16(bgep->io_handle, regaddr, regval); 4996 break; 4997 4998 case 4: 4999 ddi_put32(bgep->io_handle, regaddr, regval); 5000 break; 5001 5002 case 8: 5003 ddi_put64(bgep->io_handle, regaddr, regval); 5004 break; 5005 } 5006 BGE_PCICHK(bgep); 5007 } 5008 5009 static void bge_chip_peek_mii(bge_t *bgep, bge_peekpoke_t *ppd); 5010 #pragma no_inline(bge_chip_peek_mii) 5011 5012 static void 5013 bge_chip_peek_mii(bge_t *bgep, bge_peekpoke_t *ppd) 5014 { 5015 BGE_TRACE(("bge_chip_peek_mii($%p, $%p)", 5016 (void *)bgep, (void *)ppd)); 5017 5018 ppd->pp_acc_data = bge_mii_get16(bgep, ppd->pp_acc_offset/2); 5019 } 5020 5021 static void bge_chip_poke_mii(bge_t *bgep, bge_peekpoke_t *ppd); 5022 #pragma no_inline(bge_chip_poke_mii) 5023 5024 static void 5025 bge_chip_poke_mii(bge_t *bgep, bge_peekpoke_t *ppd) 5026 { 5027 BGE_TRACE(("bge_chip_poke_mii($%p, $%p)", 5028 (void *)bgep, (void *)ppd)); 5029 5030 bge_mii_put16(bgep, ppd->pp_acc_offset/2, ppd->pp_acc_data); 5031 } 5032 5033 #if BGE_SEE_IO32 5034 5035 static void bge_chip_peek_seeprom(bge_t *bgep, bge_peekpoke_t *ppd); 5036 #pragma no_inline(bge_chip_peek_seeprom) 5037 5038 static void 5039 bge_chip_peek_seeprom(bge_t *bgep, bge_peekpoke_t *ppd) 5040 { 5041 uint32_t data; 5042 int err; 5043 5044 BGE_TRACE(("bge_chip_peek_seeprom($%p, $%p)", 5045 (void *)bgep, (void *)ppd)); 5046 5047 err = bge_nvmem_rw32(bgep, BGE_SEE_READ, ppd->pp_acc_offset, &data); 5048 ppd->pp_acc_data = err ? ~0ull : data; 5049 } 5050 5051 static void bge_chip_poke_seeprom(bge_t *bgep, bge_peekpoke_t *ppd); 5052 #pragma no_inline(bge_chip_poke_seeprom) 5053 5054 static void 5055 bge_chip_poke_seeprom(bge_t *bgep, bge_peekpoke_t *ppd) 5056 { 5057 uint32_t data; 5058 5059 BGE_TRACE(("bge_chip_poke_seeprom($%p, $%p)", 5060 (void *)bgep, (void *)ppd)); 5061 5062 data = ppd->pp_acc_data; 5063 (void) bge_nvmem_rw32(bgep, BGE_SEE_WRITE, ppd->pp_acc_offset, &data); 5064 } 5065 #endif /* BGE_SEE_IO32 */ 5066 5067 #if BGE_FLASH_IO32 5068 5069 static void bge_chip_peek_flash(bge_t *bgep, bge_peekpoke_t *ppd); 5070 #pragma no_inline(bge_chip_peek_flash) 5071 5072 static void 5073 bge_chip_peek_flash(bge_t *bgep, bge_peekpoke_t *ppd) 5074 { 5075 uint32_t data; 5076 int err; 5077 5078 BGE_TRACE(("bge_chip_peek_flash($%p, $%p)", 5079 (void *)bgep, (void *)ppd)); 5080 5081 err = bge_nvmem_rw32(bgep, BGE_FLASH_READ, ppd->pp_acc_offset, &data); 5082 ppd->pp_acc_data = err ? ~0ull : data; 5083 } 5084 5085 static void bge_chip_poke_flash(bge_t *bgep, bge_peekpoke_t *ppd); 5086 #pragma no_inline(bge_chip_poke_flash) 5087 5088 static void 5089 bge_chip_poke_flash(bge_t *bgep, bge_peekpoke_t *ppd) 5090 { 5091 uint32_t data; 5092 5093 BGE_TRACE(("bge_chip_poke_flash($%p, $%p)", 5094 (void *)bgep, (void *)ppd)); 5095 5096 data = ppd->pp_acc_data; 5097 (void) bge_nvmem_rw32(bgep, BGE_FLASH_WRITE, 5098 ppd->pp_acc_offset, &data); 5099 } 5100 #endif /* BGE_FLASH_IO32 */ 5101 5102 static void bge_chip_peek_mem(bge_t *bgep, bge_peekpoke_t *ppd); 5103 #pragma no_inline(bge_chip_peek_mem) 5104 5105 static void 5106 bge_chip_peek_mem(bge_t *bgep, bge_peekpoke_t *ppd) 5107 { 5108 uint64_t regval; 5109 void *vaddr; 5110 5111 BGE_TRACE(("bge_chip_peek_bge($%p, $%p)", 5112 (void *)bgep, (void *)ppd)); 5113 5114 vaddr = (void *)(uintptr_t)ppd->pp_acc_offset; 5115 5116 switch (ppd->pp_acc_size) { 5117 case 1: 5118 regval = *(uint8_t *)vaddr; 5119 break; 5120 5121 case 2: 5122 regval = *(uint16_t *)vaddr; 5123 break; 5124 5125 case 4: 5126 regval = *(uint32_t *)vaddr; 5127 break; 5128 5129 case 8: 5130 regval = *(uint64_t *)vaddr; 5131 break; 5132 } 5133 5134 BGE_DEBUG(("bge_chip_peek_mem($%p, $%p) peeked 0x%llx from $%p", 5135 (void *)bgep, (void *)ppd, regval, vaddr)); 5136 5137 ppd->pp_acc_data = regval; 5138 } 5139 5140 static void bge_chip_poke_mem(bge_t *bgep, bge_peekpoke_t *ppd); 5141 #pragma no_inline(bge_chip_poke_mem) 5142 5143 static void 5144 bge_chip_poke_mem(bge_t *bgep, bge_peekpoke_t *ppd) 5145 { 5146 uint64_t regval; 5147 void *vaddr; 5148 5149 BGE_TRACE(("bge_chip_poke_mem($%p, $%p)", 5150 (void *)bgep, (void *)ppd)); 5151 5152 vaddr = (void *)(uintptr_t)ppd->pp_acc_offset; 5153 regval = ppd->pp_acc_data; 5154 5155 BGE_DEBUG(("bge_chip_poke_mem($%p, $%p) poking 0x%llx at $%p", 5156 (void *)bgep, (void *)ppd, regval, vaddr)); 5157 5158 switch (ppd->pp_acc_size) { 5159 case 1: 5160 *(uint8_t *)vaddr = (uint8_t)regval; 5161 break; 5162 5163 case 2: 5164 *(uint16_t *)vaddr = (uint16_t)regval; 5165 break; 5166 5167 case 4: 5168 *(uint32_t *)vaddr = (uint32_t)regval; 5169 break; 5170 5171 case 8: 5172 *(uint64_t *)vaddr = (uint64_t)regval; 5173 break; 5174 } 5175 } 5176 5177 static enum ioc_reply bge_pp_ioctl(bge_t *bgep, int cmd, mblk_t *mp, 5178 struct iocblk *iocp); 5179 #pragma no_inline(bge_pp_ioctl) 5180 5181 static enum ioc_reply 5182 bge_pp_ioctl(bge_t *bgep, int cmd, mblk_t *mp, struct iocblk *iocp) 5183 { 5184 void (*ppfn)(bge_t *bgep, bge_peekpoke_t *ppd); 5185 bge_peekpoke_t *ppd; 5186 dma_area_t *areap; 5187 uint64_t sizemask; 5188 uint64_t mem_va; 5189 uint64_t maxoff; 5190 boolean_t peek; 5191 5192 switch (cmd) { 5193 default: 5194 /* NOTREACHED */ 5195 bge_error(bgep, "bge_pp_ioctl: invalid cmd 0x%x", cmd); 5196 return (IOC_INVAL); 5197 5198 case BGE_PEEK: 5199 peek = B_TRUE; 5200 break; 5201 5202 case BGE_POKE: 5203 peek = B_FALSE; 5204 break; 5205 } 5206 5207 /* 5208 * Validate format of ioctl 5209 */ 5210 if (iocp->ioc_count != sizeof (bge_peekpoke_t)) 5211 return (IOC_INVAL); 5212 if (mp->b_cont == NULL) 5213 return (IOC_INVAL); 5214 ppd = (void *)mp->b_cont->b_rptr; 5215 5216 /* 5217 * Validate request parameters 5218 */ 5219 switch (ppd->pp_acc_space) { 5220 default: 5221 return (IOC_INVAL); 5222 5223 case BGE_PP_SPACE_CFG: 5224 /* 5225 * Config space 5226 */ 5227 sizemask = 8|4|2|1; 5228 mem_va = 0; 5229 maxoff = PCI_CONF_HDR_SIZE; 5230 ppfn = peek ? bge_chip_peek_cfg : bge_chip_poke_cfg; 5231 break; 5232 5233 case BGE_PP_SPACE_REG: 5234 /* 5235 * Memory-mapped I/O space 5236 */ 5237 sizemask = 8|4|2|1; 5238 mem_va = 0; 5239 maxoff = RIAAR_REGISTER_MAX; 5240 ppfn = peek ? bge_chip_peek_reg : bge_chip_poke_reg; 5241 break; 5242 5243 case BGE_PP_SPACE_NIC: 5244 /* 5245 * NIC on-chip memory 5246 */ 5247 sizemask = 8|4|2|1; 5248 mem_va = 0; 5249 maxoff = MWBAR_ONCHIP_MAX; 5250 ppfn = peek ? bge_chip_peek_nic : bge_chip_poke_nic; 5251 break; 5252 5253 case BGE_PP_SPACE_MII: 5254 /* 5255 * PHY's MII registers 5256 * NB: all PHY registers are two bytes, but the 5257 * addresses increment in ones (word addressing). 5258 * So we scale the address here, then undo the 5259 * transformation inside the peek/poke functions. 5260 */ 5261 ppd->pp_acc_offset *= 2; 5262 sizemask = 2; 5263 mem_va = 0; 5264 maxoff = (MII_MAXREG+1)*2; 5265 ppfn = peek ? bge_chip_peek_mii : bge_chip_poke_mii; 5266 break; 5267 5268 #if BGE_SEE_IO32 5269 case BGE_PP_SPACE_SEEPROM: 5270 /* 5271 * Attached SEEPROM(s), if any. 5272 * NB: we use the high-order bits of the 'address' as 5273 * a device select to accommodate multiple SEEPROMS, 5274 * If each one is the maximum size (64kbytes), this 5275 * makes them appear contiguous. Otherwise, there may 5276 * be holes in the mapping. ENxS doesn't have any 5277 * SEEPROMs anyway ... 5278 */ 5279 sizemask = 4; 5280 mem_va = 0; 5281 maxoff = SEEPROM_DEV_AND_ADDR_MASK; 5282 ppfn = peek ? bge_chip_peek_seeprom : bge_chip_poke_seeprom; 5283 break; 5284 #endif /* BGE_SEE_IO32 */ 5285 5286 #if BGE_FLASH_IO32 5287 case BGE_PP_SPACE_FLASH: 5288 /* 5289 * Attached Flash device (if any); a maximum of one device 5290 * is currently supported. But it can be up to 1MB (unlike 5291 * the 64k limit on SEEPROMs) so why would you need more ;-) 5292 */ 5293 sizemask = 4; 5294 mem_va = 0; 5295 maxoff = NVM_FLASH_ADDR_MASK; 5296 ppfn = peek ? bge_chip_peek_flash : bge_chip_poke_flash; 5297 break; 5298 #endif /* BGE_FLASH_IO32 */ 5299 5300 case BGE_PP_SPACE_BGE: 5301 /* 5302 * BGE data structure! 5303 */ 5304 sizemask = 8|4|2|1; 5305 mem_va = (uintptr_t)bgep; 5306 maxoff = sizeof (*bgep); 5307 ppfn = peek ? bge_chip_peek_mem : bge_chip_poke_mem; 5308 break; 5309 5310 case BGE_PP_SPACE_STATUS: 5311 case BGE_PP_SPACE_STATISTICS: 5312 case BGE_PP_SPACE_TXDESC: 5313 case BGE_PP_SPACE_TXBUFF: 5314 case BGE_PP_SPACE_RXDESC: 5315 case BGE_PP_SPACE_RXBUFF: 5316 /* 5317 * Various DMA_AREAs 5318 */ 5319 switch (ppd->pp_acc_space) { 5320 case BGE_PP_SPACE_TXDESC: 5321 areap = &bgep->tx_desc; 5322 break; 5323 case BGE_PP_SPACE_TXBUFF: 5324 areap = &bgep->tx_buff[0]; 5325 break; 5326 case BGE_PP_SPACE_RXDESC: 5327 areap = &bgep->rx_desc[0]; 5328 break; 5329 case BGE_PP_SPACE_RXBUFF: 5330 areap = &bgep->rx_buff[0]; 5331 break; 5332 case BGE_PP_SPACE_STATUS: 5333 areap = &bgep->status_block; 5334 break; 5335 case BGE_PP_SPACE_STATISTICS: 5336 if (bgep->chipid.statistic_type == BGE_STAT_BLK) 5337 areap = &bgep->statistics; 5338 break; 5339 } 5340 5341 sizemask = 8|4|2|1; 5342 mem_va = (uintptr_t)areap->mem_va; 5343 maxoff = areap->alength; 5344 ppfn = peek ? bge_chip_peek_mem : bge_chip_poke_mem; 5345 break; 5346 } 5347 5348 switch (ppd->pp_acc_size) { 5349 default: 5350 return (IOC_INVAL); 5351 5352 case 8: 5353 case 4: 5354 case 2: 5355 case 1: 5356 if ((ppd->pp_acc_size & sizemask) == 0) 5357 return (IOC_INVAL); 5358 break; 5359 } 5360 5361 if ((ppd->pp_acc_offset % ppd->pp_acc_size) != 0) 5362 return (IOC_INVAL); 5363 5364 if (ppd->pp_acc_offset >= maxoff) 5365 return (IOC_INVAL); 5366 5367 if (ppd->pp_acc_offset+ppd->pp_acc_size > maxoff) 5368 return (IOC_INVAL); 5369 5370 /* 5371 * All OK - go do it! 5372 */ 5373 ppd->pp_acc_offset += mem_va; 5374 (*ppfn)(bgep, ppd); 5375 return (peek ? IOC_REPLY : IOC_ACK); 5376 } 5377 5378 static enum ioc_reply bge_diag_ioctl(bge_t *bgep, int cmd, mblk_t *mp, 5379 struct iocblk *iocp); 5380 #pragma no_inline(bge_diag_ioctl) 5381 5382 static enum ioc_reply 5383 bge_diag_ioctl(bge_t *bgep, int cmd, mblk_t *mp, struct iocblk *iocp) 5384 { 5385 ASSERT(mutex_owned(bgep->genlock)); 5386 5387 switch (cmd) { 5388 default: 5389 /* NOTREACHED */ 5390 bge_error(bgep, "bge_diag_ioctl: invalid cmd 0x%x", cmd); 5391 return (IOC_INVAL); 5392 5393 case BGE_DIAG: 5394 /* 5395 * Currently a no-op 5396 */ 5397 return (IOC_ACK); 5398 5399 case BGE_PEEK: 5400 case BGE_POKE: 5401 return (bge_pp_ioctl(bgep, cmd, mp, iocp)); 5402 5403 case BGE_PHY_RESET: 5404 return (IOC_RESTART_ACK); 5405 5406 case BGE_SOFT_RESET: 5407 case BGE_HARD_RESET: 5408 /* 5409 * Reset and reinitialise the 570x hardware 5410 */ 5411 bgep->bge_chip_state = BGE_CHIP_FAULT; 5412 ddi_trigger_softintr(bgep->factotum_id); 5413 (void) bge_restart(bgep, cmd == BGE_HARD_RESET); 5414 return (IOC_ACK); 5415 } 5416 5417 /* NOTREACHED */ 5418 } 5419 5420 #endif /* BGE_DEBUGGING || BGE_DO_PPIO */ 5421 5422 static enum ioc_reply bge_mii_ioctl(bge_t *bgep, int cmd, mblk_t *mp, 5423 struct iocblk *iocp); 5424 #pragma no_inline(bge_mii_ioctl) 5425 5426 static enum ioc_reply 5427 bge_mii_ioctl(bge_t *bgep, int cmd, mblk_t *mp, struct iocblk *iocp) 5428 { 5429 struct bge_mii_rw *miirwp; 5430 5431 /* 5432 * Validate format of ioctl 5433 */ 5434 if (iocp->ioc_count != sizeof (struct bge_mii_rw)) 5435 return (IOC_INVAL); 5436 if (mp->b_cont == NULL) 5437 return (IOC_INVAL); 5438 miirwp = (void *)mp->b_cont->b_rptr; 5439 5440 /* 5441 * Validate request parameters ... 5442 */ 5443 if (miirwp->mii_reg > MII_MAXREG) 5444 return (IOC_INVAL); 5445 5446 switch (cmd) { 5447 default: 5448 /* NOTREACHED */ 5449 bge_error(bgep, "bge_mii_ioctl: invalid cmd 0x%x", cmd); 5450 return (IOC_INVAL); 5451 5452 case BGE_MII_READ: 5453 miirwp->mii_data = bge_mii_get16(bgep, miirwp->mii_reg); 5454 return (IOC_REPLY); 5455 5456 case BGE_MII_WRITE: 5457 bge_mii_put16(bgep, miirwp->mii_reg, miirwp->mii_data); 5458 return (IOC_ACK); 5459 } 5460 5461 /* NOTREACHED */ 5462 } 5463 5464 #if BGE_SEE_IO32 5465 5466 static enum ioc_reply bge_see_ioctl(bge_t *bgep, int cmd, mblk_t *mp, 5467 struct iocblk *iocp); 5468 #pragma no_inline(bge_see_ioctl) 5469 5470 static enum ioc_reply 5471 bge_see_ioctl(bge_t *bgep, int cmd, mblk_t *mp, struct iocblk *iocp) 5472 { 5473 struct bge_see_rw *seerwp; 5474 5475 /* 5476 * Validate format of ioctl 5477 */ 5478 if (iocp->ioc_count != sizeof (struct bge_see_rw)) 5479 return (IOC_INVAL); 5480 if (mp->b_cont == NULL) 5481 return (IOC_INVAL); 5482 seerwp = (void *)mp->b_cont->b_rptr; 5483 5484 /* 5485 * Validate request parameters ... 5486 */ 5487 if (seerwp->see_addr & ~SEEPROM_DEV_AND_ADDR_MASK) 5488 return (IOC_INVAL); 5489 5490 switch (cmd) { 5491 default: 5492 /* NOTREACHED */ 5493 bge_error(bgep, "bge_see_ioctl: invalid cmd 0x%x", cmd); 5494 return (IOC_INVAL); 5495 5496 case BGE_SEE_READ: 5497 case BGE_SEE_WRITE: 5498 iocp->ioc_error = bge_nvmem_rw32(bgep, cmd, 5499 seerwp->see_addr, &seerwp->see_data); 5500 return (IOC_REPLY); 5501 } 5502 5503 /* NOTREACHED */ 5504 } 5505 5506 #endif /* BGE_SEE_IO32 */ 5507 5508 #if BGE_FLASH_IO32 5509 5510 static enum ioc_reply bge_flash_ioctl(bge_t *bgep, int cmd, mblk_t *mp, 5511 struct iocblk *iocp); 5512 #pragma no_inline(bge_flash_ioctl) 5513 5514 static enum ioc_reply 5515 bge_flash_ioctl(bge_t *bgep, int cmd, mblk_t *mp, struct iocblk *iocp) 5516 { 5517 struct bge_flash_rw *flashrwp; 5518 5519 /* 5520 * Validate format of ioctl 5521 */ 5522 if (iocp->ioc_count != sizeof (struct bge_flash_rw)) 5523 return (IOC_INVAL); 5524 if (mp->b_cont == NULL) 5525 return (IOC_INVAL); 5526 flashrwp = (void *)mp->b_cont->b_rptr; 5527 5528 /* 5529 * Validate request parameters ... 5530 */ 5531 if (flashrwp->flash_addr & ~NVM_FLASH_ADDR_MASK) 5532 return (IOC_INVAL); 5533 5534 switch (cmd) { 5535 default: 5536 /* NOTREACHED */ 5537 bge_error(bgep, "bge_flash_ioctl: invalid cmd 0x%x", cmd); 5538 return (IOC_INVAL); 5539 5540 case BGE_FLASH_READ: 5541 case BGE_FLASH_WRITE: 5542 iocp->ioc_error = bge_nvmem_rw32(bgep, cmd, 5543 flashrwp->flash_addr, &flashrwp->flash_data); 5544 return (IOC_REPLY); 5545 } 5546 5547 /* NOTREACHED */ 5548 } 5549 5550 #endif /* BGE_FLASH_IO32 */ 5551 5552 enum ioc_reply bge_chip_ioctl(bge_t *bgep, queue_t *wq, mblk_t *mp, 5553 struct iocblk *iocp); 5554 #pragma no_inline(bge_chip_ioctl) 5555 5556 enum ioc_reply 5557 bge_chip_ioctl(bge_t *bgep, queue_t *wq, mblk_t *mp, struct iocblk *iocp) 5558 { 5559 int cmd; 5560 5561 BGE_TRACE(("bge_chip_ioctl($%p, $%p, $%p, $%p)", 5562 (void *)bgep, (void *)wq, (void *)mp, (void *)iocp)); 5563 5564 ASSERT(mutex_owned(bgep->genlock)); 5565 5566 cmd = iocp->ioc_cmd; 5567 switch (cmd) { 5568 default: 5569 /* NOTREACHED */ 5570 bge_error(bgep, "bge_chip_ioctl: invalid cmd 0x%x", cmd); 5571 return (IOC_INVAL); 5572 5573 case BGE_DIAG: 5574 case BGE_PEEK: 5575 case BGE_POKE: 5576 case BGE_PHY_RESET: 5577 case BGE_SOFT_RESET: 5578 case BGE_HARD_RESET: 5579 #if BGE_DEBUGGING || BGE_DO_PPIO 5580 return (bge_diag_ioctl(bgep, cmd, mp, iocp)); 5581 #else 5582 return (IOC_INVAL); 5583 #endif /* BGE_DEBUGGING || BGE_DO_PPIO */ 5584 5585 case BGE_MII_READ: 5586 case BGE_MII_WRITE: 5587 return (bge_mii_ioctl(bgep, cmd, mp, iocp)); 5588 5589 #if BGE_SEE_IO32 5590 case BGE_SEE_READ: 5591 case BGE_SEE_WRITE: 5592 return (bge_see_ioctl(bgep, cmd, mp, iocp)); 5593 #endif /* BGE_SEE_IO32 */ 5594 5595 #if BGE_FLASH_IO32 5596 case BGE_FLASH_READ: 5597 case BGE_FLASH_WRITE: 5598 return (bge_flash_ioctl(bgep, cmd, mp, iocp)); 5599 #endif /* BGE_FLASH_IO32 */ 5600 } 5601 5602 /* NOTREACHED */ 5603 } 5604 5605 /* ARGSUSED */ 5606 void 5607 bge_chip_blank(void *arg, time_t ticks, uint_t count, int flag) 5608 { 5609 recv_ring_t *rrp = arg; 5610 bge_t *bgep = rrp->bgep; 5611 5612 mutex_enter(bgep->genlock); 5613 rrp->poll_flag = flag; 5614 #ifdef NOT_YET 5615 /* 5616 * XXX-Sunay: Since most broadcom cards support only one 5617 * interrupt but multiple rx rings, we can't disable the 5618 * physical interrupt. This need to be done via capability 5619 * negotiation depending on the NIC. 5620 */ 5621 bge_reg_put32(bgep, RCV_COALESCE_TICKS_REG, ticks); 5622 bge_reg_put32(bgep, RCV_COALESCE_MAX_BD_REG, count); 5623 #endif 5624 if (bge_check_acc_handle(bgep, bgep->io_handle) != DDI_FM_OK) 5625 ddi_fm_service_impact(bgep->devinfo, DDI_SERVICE_UNAFFECTED); 5626 mutex_exit(bgep->genlock); 5627 } 5628 5629 #ifdef BGE_IPMI_ASF 5630 5631 uint32_t 5632 bge_nic_read32(bge_t *bgep, bge_regno_t addr) 5633 { 5634 uint32_t data; 5635 5636 #ifndef __sparc 5637 if (!bgep->asf_wordswapped) { 5638 /* a workaround word swap error */ 5639 if (addr & 4) 5640 addr = addr - 4; 5641 else 5642 addr = addr + 4; 5643 } 5644 #endif 5645 5646 pci_config_put32(bgep->cfg_handle, PCI_CONF_BGE_MWBAR, addr); 5647 data = pci_config_get32(bgep->cfg_handle, PCI_CONF_BGE_MWDAR); 5648 pci_config_put32(bgep->cfg_handle, PCI_CONF_BGE_MWBAR, 0); 5649 5650 data = LE_32(data); 5651 return (data); 5652 } 5653 5654 void 5655 bge_asf_update_status(bge_t *bgep) 5656 { 5657 uint32_t event; 5658 5659 bge_nic_put32(bgep, BGE_CMD_MAILBOX, BGE_CMD_NICDRV_ALIVE); 5660 bge_nic_put32(bgep, BGE_CMD_LENGTH_MAILBOX, 4); 5661 bge_nic_put32(bgep, BGE_CMD_DATA_MAILBOX, 3); 5662 5663 event = bge_reg_get32(bgep, RX_RISC_EVENT_REG); 5664 bge_reg_put32(bgep, RX_RISC_EVENT_REG, event | RRER_ASF_EVENT); 5665 } 5666 5667 5668 /* 5669 * The driver is supposed to notify ASF that the OS is still running 5670 * every three seconds, otherwise the management server may attempt 5671 * to reboot the machine. If it hasn't actually failed, this is 5672 * not a desirable result. However, this isn't running as a real-time 5673 * thread, and even if it were, it might not be able to generate the 5674 * heartbeat in a timely manner due to system load. As it isn't a 5675 * significant strain on the machine, we will set the interval to half 5676 * of the required value. 5677 */ 5678 void 5679 bge_asf_heartbeat(void *arg) 5680 { 5681 bge_t *bgep = (bge_t *)arg; 5682 5683 mutex_enter(bgep->genlock); 5684 bge_asf_update_status((bge_t *)bgep); 5685 if (bge_check_acc_handle(bgep, bgep->io_handle) != DDI_FM_OK) 5686 ddi_fm_service_impact(bgep->devinfo, DDI_SERVICE_DEGRADED); 5687 if (bge_check_acc_handle(bgep, bgep->cfg_handle) != DDI_FM_OK) 5688 ddi_fm_service_impact(bgep->devinfo, DDI_SERVICE_DEGRADED); 5689 mutex_exit(bgep->genlock); 5690 ((bge_t *)bgep)->asf_timeout_id = timeout(bge_asf_heartbeat, bgep, 5691 drv_usectohz(BGE_ASF_HEARTBEAT_INTERVAL)); 5692 } 5693 5694 5695 void 5696 bge_asf_stop_timer(bge_t *bgep) 5697 { 5698 timeout_id_t tmp_id = 0; 5699 5700 while ((bgep->asf_timeout_id != 0) && 5701 (tmp_id != bgep->asf_timeout_id)) { 5702 tmp_id = bgep->asf_timeout_id; 5703 (void) untimeout(tmp_id); 5704 } 5705 bgep->asf_timeout_id = 0; 5706 } 5707 5708 5709 5710 /* 5711 * This function should be placed at the earliest position of bge_attach(). 5712 */ 5713 void 5714 bge_asf_get_config(bge_t *bgep) 5715 { 5716 uint32_t nicsig; 5717 uint32_t niccfg; 5718 5719 bgep->asf_enabled = B_FALSE; 5720 nicsig = bge_nic_read32(bgep, BGE_NIC_DATA_SIG_ADDR); 5721 if (nicsig == BGE_NIC_DATA_SIG) { 5722 niccfg = bge_nic_read32(bgep, BGE_NIC_DATA_NIC_CFG_ADDR); 5723 if (niccfg & BGE_NIC_CFG_ENABLE_ASF) 5724 /* 5725 * Here, we don't consider BAXTER, because BGE haven't 5726 * supported BAXTER (that is 5752). Also, as I know, 5727 * BAXTER doesn't support ASF feature. 5728 */ 5729 bgep->asf_enabled = B_TRUE; 5730 else 5731 bgep->asf_enabled = B_FALSE; 5732 } else 5733 bgep->asf_enabled = B_FALSE; 5734 } 5735 5736 5737 void 5738 bge_asf_pre_reset_operations(bge_t *bgep, uint32_t mode) 5739 { 5740 uint32_t tries; 5741 uint32_t event; 5742 5743 ASSERT(bgep->asf_enabled); 5744 5745 /* Issues "pause firmware" command and wait for ACK */ 5746 bge_nic_put32(bgep, BGE_CMD_MAILBOX, BGE_CMD_NICDRV_PAUSE_FW); 5747 event = bge_reg_get32(bgep, RX_RISC_EVENT_REG); 5748 bge_reg_put32(bgep, RX_RISC_EVENT_REG, event | RRER_ASF_EVENT); 5749 5750 event = bge_reg_get32(bgep, RX_RISC_EVENT_REG); 5751 tries = 0; 5752 while ((event & RRER_ASF_EVENT) && (tries < 100)) { 5753 drv_usecwait(1); 5754 tries ++; 5755 event = bge_reg_get32(bgep, RX_RISC_EVENT_REG); 5756 } 5757 5758 bge_nic_put32(bgep, BGE_FIRMWARE_MAILBOX, 5759 BGE_MAGIC_NUM_FIRMWARE_INIT_DONE); 5760 5761 if (bgep->asf_newhandshake) { 5762 switch (mode) { 5763 case BGE_INIT_RESET: 5764 bge_nic_put32(bgep, BGE_DRV_STATE_MAILBOX, 5765 BGE_DRV_STATE_START); 5766 break; 5767 case BGE_SHUTDOWN_RESET: 5768 bge_nic_put32(bgep, BGE_DRV_STATE_MAILBOX, 5769 BGE_DRV_STATE_UNLOAD); 5770 break; 5771 case BGE_SUSPEND_RESET: 5772 bge_nic_put32(bgep, BGE_DRV_STATE_MAILBOX, 5773 BGE_DRV_STATE_SUSPEND); 5774 break; 5775 default: 5776 break; 5777 } 5778 } 5779 } 5780 5781 5782 void 5783 bge_asf_post_reset_old_mode(bge_t *bgep, uint32_t mode) 5784 { 5785 switch (mode) { 5786 case BGE_INIT_RESET: 5787 bge_nic_put32(bgep, BGE_DRV_STATE_MAILBOX, 5788 BGE_DRV_STATE_START); 5789 break; 5790 case BGE_SHUTDOWN_RESET: 5791 bge_nic_put32(bgep, BGE_DRV_STATE_MAILBOX, 5792 BGE_DRV_STATE_UNLOAD); 5793 break; 5794 case BGE_SUSPEND_RESET: 5795 bge_nic_put32(bgep, BGE_DRV_STATE_MAILBOX, 5796 BGE_DRV_STATE_SUSPEND); 5797 break; 5798 default: 5799 break; 5800 } 5801 } 5802 5803 5804 void 5805 bge_asf_post_reset_new_mode(bge_t *bgep, uint32_t mode) 5806 { 5807 switch (mode) { 5808 case BGE_INIT_RESET: 5809 bge_nic_put32(bgep, BGE_DRV_STATE_MAILBOX, 5810 BGE_DRV_STATE_START_DONE); 5811 break; 5812 case BGE_SHUTDOWN_RESET: 5813 bge_nic_put32(bgep, BGE_DRV_STATE_MAILBOX, 5814 BGE_DRV_STATE_UNLOAD_DONE); 5815 break; 5816 default: 5817 break; 5818 } 5819 } 5820 5821 #endif /* BGE_IPMI_ASF */ 5822