board.c revision 255368
1/*- 2 * Copyright 2003-2011 Netlogic Microsystems (Netlogic). All rights 3 * reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in 13 * the documentation and/or other materials provided with the 14 * distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY Netlogic Microsystems ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 26 * THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * NETLOGIC_BSD */ 29 30#include <sys/cdefs.h> 31__FBSDID("$FreeBSD: head/sys/mips/nlm/board.c 255368 2013-09-07 18:26:16Z jchandra $"); 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/bus.h> 35#include <sys/kernel.h> 36#include <sys/lock.h> 37#include <sys/mutex.h> 38 39#include <net/ethernet.h> 40 41#include <mips/nlm/hal/mips-extns.h> 42#include <mips/nlm/hal/haldefs.h> 43#include <mips/nlm/hal/iomap.h> 44#include <mips/nlm/hal/fmn.h> 45#include <mips/nlm/hal/pic.h> 46#include <mips/nlm/hal/sys.h> 47#include <mips/nlm/hal/nae.h> 48#include <mips/nlm/hal/uart.h> 49#include <mips/nlm/hal/poe.h> 50 51#include <mips/nlm/xlp.h> 52#include <mips/nlm/board.h> 53#include <mips/nlm/msgring.h> 54 55static uint8_t board_eeprom_buf[EEPROM_SIZE]; 56static int board_eeprom_set; 57 58struct xlp_board_info xlp_board_info; 59 60struct vfbid_tbl { 61 int vfbid; 62 int dest_vc; 63}; 64 65/* XXXJC : this should be derived from msg thread mask */ 66static struct vfbid_tbl nlm_vfbid[] = { 67 /* NULL FBID should map to cpu0 to detect NAE send msg errors */ 68 {127, 0}, /* NAE <-> NAE mappings */ 69 {51, 1019}, {50, 1018}, {49, 1017}, {48, 1016}, 70 {47, 1015}, {46, 1014}, {45, 1013}, {44, 1012}, 71 {43, 1011}, {42, 1010}, {41, 1009}, {40, 1008}, 72 {39, 1007}, {38, 1006}, {37, 1005}, {36, 1004}, 73 {35, 1003}, {34, 1002}, {33, 1001}, {32, 1000}, 74 /* NAE <-> CPU mappings, freeback got to vc 3 of each thread */ 75 {31, 127}, {30, 123}, {29, 119}, {28, 115}, 76 {27, 111}, {26, 107}, {25, 103}, {24, 99}, 77 {23, 95}, {22, 91}, {21, 87}, {20, 83}, 78 {19, 79}, {18, 75}, {17, 71}, {16, 67}, 79 {15, 63}, {14, 59}, {13, 55}, {12, 51}, 80 {11, 47}, {10, 43}, { 9, 39}, { 8, 35}, 81 { 7, 31}, { 6, 27}, { 5, 23}, { 4, 19}, 82 { 3, 15}, { 2, 11}, { 1, 7}, { 0, 3}, 83}; 84 85static struct vfbid_tbl nlm3xx_vfbid[] = { 86 /* NULL FBID should map to cpu0 to detect NAE send msg errors */ 87 {127, 0}, /* NAE <-> NAE mappings */ 88 {39, 503}, {38, 502}, {37, 501}, {36, 500}, 89 {35, 499}, {34, 498}, {33, 497}, {32, 496}, 90 /* NAE <-> CPU mappings, freeback got to vc 3 of each thread */ 91 {31, 127}, {30, 123}, {29, 119}, {28, 115}, 92 {27, 111}, {26, 107}, {25, 103}, {24, 99}, 93 {23, 95}, {22, 91}, {21, 87}, {20, 83}, 94 {19, 79}, {18, 75}, {17, 71}, {16, 67}, 95 {15, 63}, {14, 59}, {13, 55}, {12, 51}, 96 {11, 47}, {10, 43}, { 9, 39}, { 8, 35}, 97 { 7, 31}, { 6, 27}, { 5, 23}, { 4, 19}, 98 { 3, 15}, { 2, 11}, { 1, 7}, { 0, 3}, 99}; 100 101int 102nlm_get_vfbid_mapping(int vfbid) 103{ 104 int i, nentries; 105 struct vfbid_tbl *p; 106 107 if (nlm_is_xlp3xx()) { 108 nentries = sizeof(nlm3xx_vfbid)/sizeof(struct vfbid_tbl); 109 p = nlm3xx_vfbid; 110 } else { 111 nentries = sizeof(nlm_vfbid)/sizeof(struct vfbid_tbl); 112 p = nlm_vfbid; 113 } 114 115 for (i = 0; i < nentries; i++) { 116 if (p[i].vfbid == vfbid) 117 return (p[i].dest_vc); 118 } 119 120 return (-1); 121} 122 123int 124nlm_get_poe_distvec(int vec, uint32_t *distvec) 125{ 126 127 if (vec != 0) 128 return (-1); /* we support just vec 0 */ 129 nlm_calc_poe_distvec(xlp_msg_thread_mask, 0, 0, 0, 130 0x1 << XLPGE_RX_VC, distvec); 131 return (0); 132} 133 134/* 135 * All our knowledge of chip and board that cannot be detected by probing 136 * at run-time goes here 137 */ 138 139void 140xlpge_get_macaddr(uint8_t *macaddr) 141{ 142 143 if (board_eeprom_set == 0) { 144 /* No luck, take some reasonable value */ 145 macaddr[0] = 0x00; macaddr[1] = 0x0f; macaddr[2] = 0x30; 146 macaddr[3] = 0x20; macaddr[4] = 0x0d; macaddr[5] = 0x5b; 147 } else 148 memcpy(macaddr, &board_eeprom_buf[EEPROM_MACADDR_OFFSET], 149 ETHER_ADDR_LEN); 150} 151 152static void 153nlm_setup_port_defaults(struct xlp_port_ivars *p) 154{ 155 p->loopback_mode = 0; 156 p->num_channels = 1; 157 p->free_desc_sizes = 2048; 158 p->vlan_pri_en = 0; 159 p->hw_parser_en = 1; 160 p->ieee1588_userval = 0; 161 p->ieee1588_ptpoff = 0; 162 p->ieee1588_tmr1 = 0; 163 p->ieee1588_tmr2 = 0; 164 p->ieee1588_tmr3 = 0; 165 p->ieee1588_inc_intg = 0; 166 p->ieee1588_inc_den = 1; 167 p->ieee1588_inc_num = 1; 168 169 if (nlm_is_xlp3xx()) { 170 p->stg2_fifo_size = XLP3XX_STG2_FIFO_SZ; 171 p->eh_fifo_size = XLP3XX_EH_FIFO_SZ; 172 p->frout_fifo_size = XLP3XX_FROUT_FIFO_SZ; 173 p->ms_fifo_size = XLP3XX_MS_FIFO_SZ; 174 p->pkt_fifo_size = XLP3XX_PKT_FIFO_SZ; 175 p->pktlen_fifo_size = XLP3XX_PKTLEN_FIFO_SZ; 176 p->max_stg2_offset = XLP3XX_MAX_STG2_OFFSET; 177 p->max_eh_offset = XLP3XX_MAX_EH_OFFSET; 178 p->max_frout_offset = XLP3XX_MAX_FREE_OUT_OFFSET; 179 p->max_ms_offset = XLP3XX_MAX_MS_OFFSET; 180 p->max_pmem_offset = XLP3XX_MAX_PMEM_OFFSET; 181 p->stg1_2_credit = XLP3XX_STG1_2_CREDIT; 182 p->stg2_eh_credit = XLP3XX_STG2_EH_CREDIT; 183 p->stg2_frout_credit = XLP3XX_STG2_FROUT_CREDIT; 184 p->stg2_ms_credit = XLP3XX_STG2_MS_CREDIT; 185 } else { 186 p->stg2_fifo_size = XLP8XX_STG2_FIFO_SZ; 187 p->eh_fifo_size = XLP8XX_EH_FIFO_SZ; 188 p->frout_fifo_size = XLP8XX_FROUT_FIFO_SZ; 189 p->ms_fifo_size = XLP8XX_MS_FIFO_SZ; 190 p->pkt_fifo_size = XLP8XX_PKT_FIFO_SZ; 191 p->pktlen_fifo_size = XLP8XX_PKTLEN_FIFO_SZ; 192 p->max_stg2_offset = XLP8XX_MAX_STG2_OFFSET; 193 p->max_eh_offset = XLP8XX_MAX_EH_OFFSET; 194 p->max_frout_offset = XLP8XX_MAX_FREE_OUT_OFFSET; 195 p->max_ms_offset = XLP8XX_MAX_MS_OFFSET; 196 p->max_pmem_offset = XLP8XX_MAX_PMEM_OFFSET; 197 p->stg1_2_credit = XLP8XX_STG1_2_CREDIT; 198 p->stg2_eh_credit = XLP8XX_STG2_EH_CREDIT; 199 p->stg2_frout_credit = XLP8XX_STG2_FROUT_CREDIT; 200 p->stg2_ms_credit = XLP8XX_STG2_MS_CREDIT; 201 } 202 203 switch (p->type) { 204 case SGMIIC: 205 p->num_free_descs = 52; 206 p->iface_fifo_size = 13; 207 p->rxbuf_size = 128; 208 p->rx_slots_reqd = SGMII_CAL_SLOTS; 209 p->tx_slots_reqd = SGMII_CAL_SLOTS; 210 if (nlm_is_xlp3xx()) 211 p->pseq_fifo_size = 30; 212 else 213 p->pseq_fifo_size = 62; 214 break; 215 case ILC: 216 p->num_free_descs = 150; 217 p->rxbuf_size = 944; 218 p->rx_slots_reqd = IL8_CAL_SLOTS; 219 p->tx_slots_reqd = IL8_CAL_SLOTS; 220 p->pseq_fifo_size = 225; 221 p->iface_fifo_size = 55; 222 break; 223 case XAUIC: 224 default: 225 p->num_free_descs = 150; 226 p->rxbuf_size = 944; 227 p->rx_slots_reqd = XAUI_CAL_SLOTS; 228 p->tx_slots_reqd = XAUI_CAL_SLOTS; 229 if (nlm_is_xlp3xx()) { 230 p->pseq_fifo_size = 120; 231 p->iface_fifo_size = 52; 232 } else { 233 p->pseq_fifo_size = 225; 234 p->iface_fifo_size = 55; 235 } 236 break; 237 } 238} 239 240/* XLP 8XX evaluation boards have the following phy-addr 241 * assignment. There are two external mdio buses in XLP -- 242 * bus 0 and bus 1. The management ports (16 and 17) are 243 * on mdio bus 0 while blocks/complexes[0 to 3] are all 244 * on mdio bus 1. The phy_addr on bus 0 (mgmt ports 16 245 * and 17) match the port numbers. 246 * These are the details: 247 * block port phy_addr mdio_bus 248 * ==================================== 249 * 0 0 4 1 250 * 0 1 7 1 251 * 0 2 6 1 252 * 0 3 5 1 253 * 1 0 8 1 254 * 1 1 11 1 255 * 1 2 10 1 256 * 1 3 9 1 257 * 2 0 0 1 258 * 2 1 3 1 259 * 2 2 2 1 260 * 2 3 1 1 261 * 3 0 12 1 262 * 3 1 15 1 263 * 3 2 14 1 264 * 3 3 13 1 265 * 266 * 4 0 16 0 267 * 4 1 17 0 268 * 269 * The XLP 3XX evaluation boards have the following phy-addr 270 * assignments. 271 * block port phy_addr mdio_bus 272 * ==================================== 273 * 0 0 4 0 274 * 0 1 7 0 275 * 0 2 6 0 276 * 0 3 5 0 277 * 1 0 8 0 278 * 1 1 11 0 279 * 1 2 10 0 280 * 1 3 9 0 281 */ 282static void 283nlm_board_get_phyaddr(int block, int port, int *phyaddr) 284{ 285 switch (block) { 286 case 0: switch (port) { 287 case 0: *phyaddr = 4; break; 288 case 1: *phyaddr = 7; break; 289 case 2: *phyaddr = 6; break; 290 case 3: *phyaddr = 5; break; 291 } 292 break; 293 case 1: switch (port) { 294 case 0: *phyaddr = 8; break; 295 case 1: *phyaddr = 11; break; 296 case 2: *phyaddr = 10; break; 297 case 3: *phyaddr = 9; break; 298 } 299 break; 300 case 2: switch (port) { 301 case 0: *phyaddr = 0; break; 302 case 1: *phyaddr = 3; break; 303 case 2: *phyaddr = 2; break; 304 case 3: *phyaddr = 1; break; 305 } 306 break; 307 case 3: switch (port) { 308 case 0: *phyaddr = 12; break; 309 case 1: *phyaddr = 15; break; 310 case 2: *phyaddr = 14; break; 311 case 3: *phyaddr = 13; break; 312 } 313 break; 314 case 4: switch (port) { /* management SGMII */ 315 case 0: *phyaddr = 16; break; 316 case 1: *phyaddr = 17; break; 317 } 318 break; 319 } 320} 321 322 323static void 324nlm_print_processor_info(void) 325{ 326 uint32_t procid; 327 int prid, rev; 328 char *chip, *revstr; 329 330 procid = mips_rd_prid(); 331 prid = (procid >> 8) & 0xff; 332 rev = procid & 0xff; 333 334 switch (prid) { 335 case CHIP_PROCESSOR_ID_XLP_8XX: 336 chip = "XLP 832"; 337 break; 338 case CHIP_PROCESSOR_ID_XLP_3XX: 339 chip = "XLP 3xx"; 340 break; 341 case CHIP_PROCESSOR_ID_XLP_432: 342 case CHIP_PROCESSOR_ID_XLP_416: 343 chip = "XLP 4xx"; 344 break; 345 default: 346 chip = "XLP ?xx"; 347 break; 348 } 349 switch (rev) { 350 case 0: 351 revstr = "A0"; break; 352 case 1: 353 revstr = "A1"; break; 354 case 2: 355 revstr = "A2"; break; 356 case 3: 357 revstr = "B0"; break; 358 case 4: 359 revstr = "B1"; break; 360 default: 361 revstr = "??"; break; 362 } 363 364 printf("Processor info:\n"); 365 printf(" Netlogic %s %s [%x]\n", chip, revstr, procid); 366} 367 368/* 369 * All our knowledge of chip and board that cannot be detected by probing 370 * at run-time goes here 371 */ 372static int 373nlm_setup_xlp_board(int node) 374{ 375 struct xlp_board_info *boardp; 376 struct xlp_node_info *nodep; 377 struct xlp_nae_ivars *naep; 378 struct xlp_block_ivars *blockp; 379 struct xlp_port_ivars *portp; 380 uint64_t cpldbase, nae_pcibase; 381 int block, port, rv, dbtype, usecpld = 0, evp = 0, svp = 0; 382 uint8_t *b; 383 384 /* start with a clean slate */ 385 boardp = &xlp_board_info; 386 if (boardp->nodemask == 0) 387 memset(boardp, 0, sizeof(xlp_board_info)); 388 boardp->nodemask |= (1 << node); 389 nlm_print_processor_info(); 390 391 b = board_eeprom_buf; 392 rv = nlm_board_eeprom_read(node, EEPROM_I2CBUS, EEPROM_I2CADDR, 0, b, 393 EEPROM_SIZE); 394 if (rv == 0) { 395 board_eeprom_set = 1; 396 printf("Board info (EEPROM on i2c@%d at %#X):\n", 397 EEPROM_I2CBUS, EEPROM_I2CADDR); 398 printf(" Model: %7.7s %2.2s\n", &b[16], &b[24]); 399 printf(" Serial #: %3.3s-%2.2s\n", &b[27], &b[31]); 400 printf(" MAC addr: %02x:%02x:%02x:%02x:%02x:%02x\n", 401 b[2], b[3], b[4], b[5], b[6], b[7]); 402 } else 403 printf("Board Info: Error on EEPROM read (i2c@%d %#X).\n", 404 EEPROM_I2CBUS, EEPROM_I2CADDR); 405 406 nae_pcibase = nlm_get_nae_pcibase(node); 407 nodep = &boardp->nodes[node]; 408 naep = &nodep->nae_ivars; 409 naep->node = node; 410 411 /* frequency at which network block runs */ 412 naep->freq = 500; 413 414 /* CRC16 polynomial used for flow table generation */ 415 naep->flow_crc_poly = 0xffff; 416 naep->hw_parser_en = 1; 417 naep->prepad_en = 1; 418 naep->prepad_size = 3; /* size in 16 byte units */ 419 naep->ieee_1588_en = 1; 420 421 naep->ilmask = 0x0; /* set this based on daughter card */ 422 naep->xauimask = 0x0; /* set this based on daughter card */ 423 naep->sgmiimask = 0x0; /* set this based on daughter card */ 424 naep->nblocks = nae_num_complex(nae_pcibase); 425 if (strncmp(&b[16], "PCIE", 4) == 0) { 426 usecpld = 0; /* XLP PCIe card */ 427 /* Broadcom's XLP PCIe card has the following 428 * blocks fixed. 429 * blk 0-XAUI, 1-XAUI, 4-SGMII(one port) */ 430 naep->blockmask = 0x13; 431 } else if (strncmp(&b[16], "MB-EVP", 6) == 0) { 432 usecpld = 1; /* XLP non-PCIe card which has CPLD */ 433 evp = 1; 434 naep->blockmask = (1 << naep->nblocks) - 1; 435 } else if ((strncmp(&b[16], "MB-S", 4) == 0) || 436 (strncmp(&b[16], "MB_S", 4) == 0)) { 437 usecpld = 1; /* XLP non-PCIe card which has CPLD */ 438 svp = 1; 439 /* 3xx chip reports one block extra which is a bug */ 440 naep->nblocks = naep->nblocks - 1; 441 naep->blockmask = (1 << naep->nblocks) - 1; 442 } else { 443 printf("ERROR!!! Board type:%7s didn't match any board" 444 " type we support\n", &b[16]); 445 return (-1); 446 } 447 cpldbase = nlm_board_cpld_base(node, XLP_EVB_CPLD_CHIPSELECT); 448 449 /* pretty print network config */ 450 printf("Network config"); 451 if (usecpld) 452 printf("(from CPLD@%d):\n", XLP_EVB_CPLD_CHIPSELECT); 453 else 454 printf("(defaults):\n"); 455 printf(" NAE@%d Blocks: ", node); 456 for (block = 0; block < naep->nblocks; block++) { 457 char *s = "???"; 458 459 if ((naep->blockmask & (1 << block)) == 0) 460 continue; 461 blockp = &naep->block_ivars[block]; 462 blockp->block = block; 463 if (usecpld) 464 dbtype = nlm_board_cpld_dboard_type(cpldbase, block); 465 else 466 dbtype = DCARD_XAUI; /* default XAUI */ 467 468 /* XLP PCIe cards */ 469 if ((!evp && !svp) && ((block == 2) || (block == 3))) 470 dbtype = DCARD_NOT_PRSNT; 471 472 if (block == 4) { 473 /* management block 4 on 8xx or XLP PCIe */ 474 blockp->type = SGMIIC; 475 if (evp) 476 blockp->portmask = 0x3; 477 else 478 blockp->portmask = 0x1; 479 naep->sgmiimask |= (1 << block); 480 } else { 481 switch (dbtype) { 482 case DCARD_ILAKEN: 483 blockp->type = ILC; 484 blockp->portmask = 0x1; 485 naep->ilmask |= (1 << block); 486 break; 487 case DCARD_SGMII: 488 blockp->type = SGMIIC; 489 blockp->portmask = 0xf; 490 naep->sgmiimask |= (1 << block); 491 break; 492 case DCARD_XAUI: 493 blockp->type = XAUIC; 494 blockp->portmask = 0x1; 495 naep->xauimask |= (1 << block); 496 break; 497 default: /* DCARD_NOT_PRSNT */ 498 blockp->type = UNKNOWN; 499 blockp->portmask = 0; 500 break; 501 } 502 } 503 if (blockp->type != UNKNOWN) { 504 for (port = 0; port < PORTS_PER_CMPLX; port++) { 505 if ((blockp->portmask & (1 << port)) == 0) 506 continue; 507 portp = &blockp->port_ivars[port]; 508 nlm_board_get_phyaddr(block, port, 509 &portp->phy_addr); 510 if (svp || (block == 4)) 511 portp->mdio_bus = 0; 512 else 513 portp->mdio_bus = 1; 514 portp->port = port; 515 portp->block = block; 516 portp->node = node; 517 portp->type = blockp->type; 518 nlm_setup_port_defaults(portp); 519 } 520 } 521 switch (blockp->type) { 522 case SGMIIC : s = "SGMII"; break; 523 case XAUIC : s = "XAUI"; break; 524 case ILC : s = "IL"; break; 525 } 526 printf(" [%d %s]", block, s); 527 } 528 printf("\n"); 529 return (0); 530} 531 532int nlm_board_info_setup(void) 533{ 534 if (nlm_setup_xlp_board(0) != 0) 535 return (-1); 536 return (0); 537} 538