arch/ia64/sn/kernel/setup.c

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 1999,2001-2005 Silicon Graphics, Inc. All rights reserved.
   7  */
   8
   9 #include <linux/config.h>
  10 #include <linux/module.h>
  11 #include <linux/init.h>
  12 #include <linux/delay.h>
  13 #include <linux/kernel.h>
  14 #include <linux/kdev_t.h>
  15 #include <linux/string.h>
  16 #include <linux/tty.h>
  17 #include <linux/console.h>
  18 #include <linux/timex.h>
  19 #include <linux/sched.h>
  20 #include <linux/ioport.h>
  21 #include <linux/mm.h>
  22 #include <linux/serial.h>
  23 #include <linux/irq.h>
  24 #include <linux/bootmem.h>
  25 #include <linux/mmzone.h>
  26 #include <linux/interrupt.h>
  27 #include <linux/acpi.h>
  28 #include <linux/compiler.h>
  29 #include <linux/sched.h>
  30 #include <linux/root_dev.h>
  31 #include <linux/nodemask.h>
  32 #include <linux/pm.h>
  33
  34 #include <asm/io.h>
  35 #include <asm/sal.h>
  36 #include <asm/machvec.h>
  37 #include <asm/system.h>
  38 #include <asm/processor.h>
  39 #include <asm/sn/arch.h>
  40 #include <asm/sn/addrs.h>
  41 #include <asm/sn/pda.h>
  42 #include <asm/sn/nodepda.h>
  43 #include <asm/sn/sn_cpuid.h>
  44 #include <asm/sn/simulator.h>
  45 #include <asm/sn/leds.h>
  46 #include <asm/sn/bte.h>
  47 #include <asm/sn/shub_mmr.h>
  48 #include <asm/sn/clksupport.h>
  49 #include <asm/sn/sn_sal.h>
  50 #include <asm/sn/geo.h>
  51 #include "xtalk/xwidgetdev.h"
  52 #include "xtalk/hubdev.h"
  53 #include <asm/sn/klconfig.h>
  54
  55
  56 DEFINE_PER_CPU(struct pda_s, pda_percpu);
  57
  58 #define MAX_PHYS_MEMORY         (1UL << 49)     /* 1 TB */
  59
  60 lboard_t *root_lboard[MAX_COMPACT_NODES];
  61
  62 extern void bte_init_node(nodepda_t *, cnodeid_t);
  63
  64 extern void sn_timer_init(void);
  65 extern unsigned long last_time_offset;
  66 extern void (*ia64_mark_idle) (int);
  67 extern void snidle(int);
  68 extern unsigned char acpi_kbd_controller_present;
  69
  70 unsigned long sn_rtc_cycles_per_second;
  71 EXPORT_SYMBOL(sn_rtc_cycles_per_second);
  72
  73 DEFINE_PER_CPU(struct sn_hub_info_s, __sn_hub_info);
  74 EXPORT_PER_CPU_SYMBOL(__sn_hub_info);
  75
  76 DEFINE_PER_CPU(short, __sn_cnodeid_to_nasid[MAX_NUMNODES]);
  77 EXPORT_PER_CPU_SYMBOL(__sn_cnodeid_to_nasid);
  78
  79 DEFINE_PER_CPU(struct nodepda_s *, __sn_nodepda);
  80 EXPORT_PER_CPU_SYMBOL(__sn_nodepda);
  81
  82 partid_t sn_partid = -1;
  83 EXPORT_SYMBOL(sn_partid);
  84 char sn_system_serial_number_string[128];
  85 EXPORT_SYMBOL(sn_system_serial_number_string);
  86 u64 sn_partition_serial_number;
  87 EXPORT_SYMBOL(sn_partition_serial_number);
  88 u8 sn_partition_id;
  89 EXPORT_SYMBOL(sn_partition_id);
  90 u8 sn_system_size;
  91 EXPORT_SYMBOL(sn_system_size);
  92 u8 sn_sharing_domain_size;
  93 EXPORT_SYMBOL(sn_sharing_domain_size);
  94 u8 sn_coherency_id;
  95 EXPORT_SYMBOL(sn_coherency_id);
  96 u8 sn_region_size;
  97 EXPORT_SYMBOL(sn_region_size);
  98
  99 short physical_node_map[MAX_PHYSNODE_ID];
 100
 101 EXPORT_SYMBOL(physical_node_map);
 102
 103 int numionodes;
 104
 105 static void sn_init_pdas(char **);
 106 static void scan_for_ionodes(void);
 107
 108 static nodepda_t *nodepdaindr[MAX_COMPACT_NODES];
 109
 110 /*
 111  * The format of "screen_info" is strange, and due to early i386-setup
 112  * code. This is just enough to make the console code think we're on a
 113  * VGA color display.
 114  */
 115 struct screen_info sn_screen_info = {
 116         .orig_x = 0,
 117         .orig_y = 0,
 118         .orig_video_mode = 3,
 119         .orig_video_cols = 80,
 120         .orig_video_ega_bx = 3,
 121         .orig_video_lines = 25,
 122         .orig_video_isVGA = 1,
 123         .orig_video_points = 16
 124 };
 125
 126 /*
 127  * This is here so we can use the CMOS detection in ide-probe.c to
 128  * determine what drives are present.  In theory, we don't need this
 129  * as the auto-detection could be done via ide-probe.c:do_probe() but
 130  * in practice that would be much slower, which is painful when
 131  * running in the simulator.  Note that passing zeroes in DRIVE_INFO
 132  * is sufficient (the IDE driver will autodetect the drive geometry).
 133  */
 134 #ifdef CONFIG_IA64_GENERIC
 135 extern char drive_info[4 * 16];
 136 #else
 137 char drive_info[4 * 16];
 138 #endif
 139
 140 /*
 141  * Get nasid of current cpu early in boot before nodepda is initialized
 142  */
 143 static int
 144 boot_get_nasid(void)
 145 {
 146         int nasid;
 147
 148         if (ia64_sn_get_sapic_info(get_sapicid(), &nasid, NULL, NULL))
 149                 BUG();
 150         return nasid;
 151 }
 152
 153 /*
 154  * This routine can only be used during init, since
 155  * smp_boot_data is an init data structure.
 156  * We have to use smp_boot_data.cpu_phys_id to find
 157  * the physical id of the processor because the normal
 158  * cpu_physical_id() relies on data structures that
 159  * may not be initialized yet.
 160  */
 161
 162 static int __init pxm_to_nasid(int pxm)
 163 {
 164         int i;
 165         int nid;
 166
 167         nid = pxm_to_nid_map[pxm];
 168         for (i = 0; i < num_node_memblks; i++) {
 169                 if (node_memblk[i].nid == nid) {
 170                         return NASID_GET(node_memblk[i].start_paddr);
 171                 }
 172         }
 173         return -1;
 174 }
 175
 176 /**
 177  * early_sn_setup - early setup routine for SN platforms
 178  *
 179  * Sets up an initial console to aid debugging.  Intended primarily
 180  * for bringup.  See start_kernel() in init/main.c.
 181  */
 182
 183 void __init early_sn_setup(void)
 184 {
 185         efi_system_table_t *efi_systab;
 186         efi_config_table_t *config_tables;
 187         struct ia64_sal_systab *sal_systab;
 188         struct ia64_sal_desc_entry_point *ep;
 189         char *p;
 190         int i, j;
 191
 192         /*
 193          * Parse enough of the SAL tables to locate the SAL entry point. Since, console
 194          * IO on SN2 is done via SAL calls, early_printk won't work without this.
 195          *
 196          * This code duplicates some of the ACPI table parsing that is in efi.c & sal.c.
 197          * Any changes to those file may have to be made hereas well.
 198          */
 199         efi_systab = (efi_system_table_t *) __va(ia64_boot_param->efi_systab);
 200         config_tables = __va(efi_systab->tables);
 201         for (i = 0; i < efi_systab->nr_tables; i++) {
 202                 if (efi_guidcmp(config_tables[i].guid, SAL_SYSTEM_TABLE_GUID) ==
 203                     0) {
 204                         sal_systab = __va(config_tables[i].table);
 205                         p = (char *)(sal_systab + 1);
 206                         for (j = 0; j < sal_systab->entry_count; j++) {
 207                                 if (*p == SAL_DESC_ENTRY_POINT) {
 208                                         ep = (struct ia64_sal_desc_entry_point
 209                                               *)p;
 210                                         ia64_sal_handler_init(__va
 211                                                               (ep->sal_proc),
 212                                                               __va(ep->gp));
 213                                         return;
 214                                 }
 215                                 p += SAL_DESC_SIZE(*p);
 216                         }
 217                 }
 218         }
 219         /* Uh-oh, SAL not available?? */
 220         printk(KERN_ERR "failed to find SAL entry point\n");
 221 }
 222
 223 extern int platform_intr_list[];
 224 extern nasid_t master_nasid;
 225 static int shub_1_1_found __initdata;
 226
 227 /*
 228  * sn_check_for_wars
 229  *
 230  * Set flag for enabling shub specific wars
 231  */
 232
 233 static inline int __init is_shub_1_1(int nasid)
 234 {
 235         unsigned long id;
 236         int rev;
 237
 238         if (is_shub2())
 239                 return 0;
 240         id = REMOTE_HUB_L(nasid, SH1_SHUB_ID);
 241         rev = (id & SH1_SHUB_ID_REVISION_MASK) >> SH1_SHUB_ID_REVISION_SHFT;
 242         return rev <= 2;
 243 }
 244
 245 static void __init sn_check_for_wars(void)
 246 {
 247         int cnode;
 248
 249         if (is_shub2()) {
 250                 /* none yet */
 251         } else {
 252                 for_each_online_node(cnode) {
 253                         if (is_shub_1_1(cnodeid_to_nasid(cnode)))
 254                                 sn_hub_info->shub_1_1_found = 1;
 255                 }
 256         }
 257 }
 258
 259 /**
 260  * sn_setup - SN platform setup routine
 261  * @cmdline_p: kernel command line
 262  *
 263  * Handles platform setup for SN machines.  This includes determining
 264  * the RTC frequency (via a SAL call), initializing secondary CPUs, and
 265  * setting up per-node data areas.  The console is also initialized here.
 266  */
 267 void __init sn_setup(char **cmdline_p)
 268 {
 269         long status, ticks_per_sec, drift;
 270         int pxm;
 271         int major = sn_sal_rev_major(), minor = sn_sal_rev_minor();
 272         extern void sn_cpu_init(void);
 273
 274         /*
 275          * If the generic code has enabled vga console support - lets
 276          * get rid of it again. This is a kludge for the fact that ACPI
 277          * currtently has no way of informing us if legacy VGA is available
 278          * or not.
 279          */
 280 #if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE)
 281         if (conswitchp == &vga_con) {
 282                 printk(KERN_DEBUG "SGI: Disabling VGA console\n");
 283 #ifdef CONFIG_DUMMY_CONSOLE
 284                 conswitchp = &dummy_con;
 285 #else
 286                 conswitchp = NULL;
 287 #endif                          /* CONFIG_DUMMY_CONSOLE */
 288         }
 289 #endif                          /* def(CONFIG_VT) && def(CONFIG_VGA_CONSOLE) */
 290
 291         MAX_DMA_ADDRESS = PAGE_OFFSET + MAX_PHYS_MEMORY;
 292
 293         memset(physical_node_map, -1, sizeof(physical_node_map));
 294         for (pxm = 0; pxm < MAX_PXM_DOMAINS; pxm++)
 295                 if (pxm_to_nid_map[pxm] != -1)
 296                         physical_node_map[pxm_to_nasid(pxm)] =
 297                             pxm_to_nid_map[pxm];
 298
 299         /*
 300          * Old PROMs do not provide an ACPI FADT. Disable legacy keyboard
 301          * support here so we don't have to listen to failed keyboard probe
 302          * messages.
 303          */
 304         if ((major < 2 || (major == 2 && minor <= 9)) &&
 305             acpi_kbd_controller_present) {
 306                 printk(KERN_INFO "Disabling legacy keyboard support as prom "
 307                        "is too old and doesn't provide FADT\n");
 308                 acpi_kbd_controller_present = 0;
 309         }
 310
 311         printk("SGI SAL version %x.%02x\n", major, minor);
 312
 313         /*
 314          * Confirm the SAL we're running on is recent enough...
 315          */
 316         if ((major < SN_SAL_MIN_MAJOR) || (major == SN_SAL_MIN_MAJOR &&
 317                                            minor < SN_SAL_MIN_MINOR)) {
 318                 printk(KERN_ERR "This kernel needs SGI SAL version >= "
 319                        "%x.%02x\n", SN_SAL_MIN_MAJOR, SN_SAL_MIN_MINOR);
 320                 panic("PROM version too old\n");
 321         }
 322
 323         master_nasid = boot_get_nasid();
 324
 325         status =
 326             ia64_sal_freq_base(SAL_FREQ_BASE_REALTIME_CLOCK, &ticks_per_sec,
 327                                &drift);
 328         if (status != 0 || ticks_per_sec < 100000) {
 329                 printk(KERN_WARNING
 330                        "unable to determine platform RTC clock frequency, guessing.\n");
 331                 /* PROM gives wrong value for clock freq. so guess */
 332                 sn_rtc_cycles_per_second = 1000000000000UL / 30000UL;
 333         } else
 334                 sn_rtc_cycles_per_second = ticks_per_sec;
 335
 336         platform_intr_list[ACPI_INTERRUPT_CPEI] = IA64_CPE_VECTOR;
 337
 338         /*
 339          * we set the default root device to /dev/hda
 340          * to make simulation easy
 341          */
 342         ROOT_DEV = Root_HDA1;
 343
 344         /*
 345          * Create the PDAs and NODEPDAs for all the cpus.
 346          */
 347         sn_init_pdas(cmdline_p);
 348
 349         ia64_mark_idle = &snidle;
 350
 351         /*
 352          * For the bootcpu, we do this here. All other cpus will make the
 353          * call as part of cpu_init in slave cpu initialization.
 354          */
 355         sn_cpu_init();
 356
 357 #ifdef CONFIG_SMP
 358         init_smp_config();
 359 #endif
 360         screen_info = sn_screen_info;
 361
 362         sn_timer_init();
 363
 364         /*
 365          * set pm_power_off to a SAL call to allow
 366          * sn machines to power off. The SAL call can be replaced
 367          * by an ACPI interface call when ACPI is fully implemented
 368          * for sn.
 369          */
 370         pm_power_off = ia64_sn_power_down;
 371 }
 372
 373 /**
 374  * sn_init_pdas - setup node data areas
 375  *
 376  * One time setup for Node Data Area.  Called by sn_setup().
 377  */
 378 static void __init sn_init_pdas(char **cmdline_p)
 379 {
 380         cnodeid_t cnode;
 381
 382         memset(sn_cnodeid_to_nasid, -1,
 383                         sizeof(__ia64_per_cpu_var(__sn_cnodeid_to_nasid)));
 384         for_each_online_node(cnode)
 385                 sn_cnodeid_to_nasid[cnode] =
 386                                 pxm_to_nasid(nid_to_pxm_map[cnode]);
 387
 388         numionodes = num_online_nodes();
 389         scan_for_ionodes();
 390
 391         /*
 392          * Allocate & initalize the nodepda for each node.
 393          */
 394         for_each_online_node(cnode) {
 395                 nodepdaindr[cnode] =
 396                     alloc_bootmem_node(NODE_DATA(cnode), sizeof(nodepda_t));
 397                 memset(nodepdaindr[cnode], 0, sizeof(nodepda_t));
 398                 memset(nodepdaindr[cnode]->phys_cpuid, -1,
 399                     sizeof(nodepdaindr[cnode]->phys_cpuid));
 400         }
 401
 402         /*
 403          * Allocate & initialize nodepda for TIOs.  For now, put them on node 0.
 404          */
 405         for (cnode = num_online_nodes(); cnode < numionodes; cnode++) {
 406                 nodepdaindr[cnode] =
 407                     alloc_bootmem_node(NODE_DATA(0), sizeof(nodepda_t));
 408                 memset(nodepdaindr[cnode], 0, sizeof(nodepda_t));
 409         }
 410
 411         /*
 412          * Now copy the array of nodepda pointers to each nodepda.
 413          */
 414         for (cnode = 0; cnode < numionodes; cnode++)
 415                 memcpy(nodepdaindr[cnode]->pernode_pdaindr, nodepdaindr,
 416                        sizeof(nodepdaindr));
 417
 418         /*
 419          * Set up IO related platform-dependent nodepda fields.
 420          * The following routine actually sets up the hubinfo struct
 421          * in nodepda.
 422          */
 423         for_each_online_node(cnode) {
 424                 bte_init_node(nodepdaindr[cnode], cnode);
 425         }
 426
 427         /*
 428          * Initialize the per node hubdev.  This includes IO Nodes and
 429          * headless/memless nodes.
 430          */
 431         for (cnode = 0; cnode < numionodes; cnode++) {
 432                 hubdev_init_node(nodepdaindr[cnode], cnode);
 433         }
 434 }
 435
 436 /**
 437  * sn_cpu_init - initialize per-cpu data areas
 438  * @cpuid: cpuid of the caller
 439  *
 440  * Called during cpu initialization on each cpu as it starts.
 441  * Currently, initializes the per-cpu data area for SNIA.
 442  * Also sets up a few fields in the nodepda.  Also known as
 443  * platform_cpu_init() by the ia64 machvec code.
 444  */
 445 void __init sn_cpu_init(void)
 446 {
 447         int cpuid;
 448         int cpuphyid;
 449         int nasid;
 450         int subnode;
 451         int slice;
 452         int cnode;
 453         int i;
 454         static int wars_have_been_checked;
 455
 456         memset(pda, 0, sizeof(pda));
 457         if (ia64_sn_get_sn_info(0, &sn_hub_info->shub2, &sn_hub_info->nasid_bitmask, &sn_hub_info->nasid_shift,
 458                                 &sn_system_size, &sn_sharing_domain_size, &sn_partition_id,
 459                                 &sn_coherency_id, &sn_region_size))
 460                 BUG();
 461         sn_hub_info->as_shift = sn_hub_info->nasid_shift - 2;
 462
 463         /*
 464          * The boot cpu makes this call again after platform initialization is
 465          * complete.
 466          */
 467         if (nodepdaindr[0] == NULL)
 468                 return;
 469
 470         cpuid = smp_processor_id();
 471         cpuphyid = get_sapicid();
 472
 473         if (ia64_sn_get_sapic_info(cpuphyid, &nasid, &subnode, &slice))
 474                 BUG();
 475
 476         for (i=0; i < MAX_NUMNODES; i++) {
 477                 if (nodepdaindr[i]) {
 478                         nodepdaindr[i]->phys_cpuid[cpuid].nasid = nasid;
 479                         nodepdaindr[i]->phys_cpuid[cpuid].slice = slice;
 480                         nodepdaindr[i]->phys_cpuid[cpuid].subnode = subnode;
 481                 }
 482         }
 483
 484         cnode = nasid_to_cnodeid(nasid);
 485
 486         sn_nodepda = nodepdaindr[cnode];
 487
 488         pda->led_address =
 489             (typeof(pda->led_address)) (LED0 + (slice << LED_CPU_SHIFT));
 490         pda->led_state = LED_ALWAYS_SET;
 491         pda->hb_count = HZ / 2;
 492         pda->hb_state = 0;
 493         pda->idle_flag = 0;
 494
 495         if (cpuid != 0) {
 496                 /* copy cpu 0's sn_cnodeid_to_nasid table to this cpu's */
 497                 memcpy(sn_cnodeid_to_nasid,
 498                        (&per_cpu(__sn_cnodeid_to_nasid, 0)),
 499                        sizeof(__ia64_per_cpu_var(__sn_cnodeid_to_nasid)));
 500         }
 501
 502         /*
 503          * Check for WARs.
 504          * Only needs to be done once, on BSP.
 505          * Has to be done after loop above, because it uses this cpu's
 506          * sn_cnodeid_to_nasid table which was just initialized if this
 507          * isn't cpu 0.
 508          * Has to be done before assignment below.
 509          */
 510         if (!wars_have_been_checked) {
 511                 sn_check_for_wars();
 512                 wars_have_been_checked = 1;
 513         }
 514         sn_hub_info->shub_1_1_found = shub_1_1_found;
 515
 516         /*
 517          * Set up addresses of PIO/MEM write status registers.
 518          */
 519         {
 520                 u64 pio1[] = {SH1_PIO_WRITE_STATUS_0, 0, SH1_PIO_WRITE_STATUS_1, 0};
 521                 u64 pio2[] = {SH2_PIO_WRITE_STATUS_0, SH2_PIO_WRITE_STATUS_1,
 522                         SH2_PIO_WRITE_STATUS_2, SH2_PIO_WRITE_STATUS_3};
 523                 u64 *pio;
 524                 pio = is_shub1() ? pio1 : pio2;
 525                 pda->pio_write_status_addr = (volatile unsigned long *) LOCAL_MMR_ADDR(pio[slice]);
 526                 pda->pio_write_status_val = is_shub1() ? SH_PIO_WRITE_STATUS_PENDING_WRITE_COUNT_MASK : 0;
 527         }
 528
 529         /*
 530          * WAR addresses for SHUB 1.x.
 531          */
 532         if (local_node_data->active_cpu_count++ == 0 && is_shub1()) {
 533                 int buddy_nasid;
 534                 buddy_nasid =
 535                     cnodeid_to_nasid(numa_node_id() ==
 536                                      num_online_nodes() - 1 ? 0 : numa_node_id() + 1);
 537                 pda->pio_shub_war_cam_addr =
 538                     (volatile unsigned long *)GLOBAL_MMR_ADDR(nasid,
 539                                                               SH1_PI_CAM_CONTROL);
 540         }
 541 }
 542
 543 /*
 544  * Scan klconfig for ionodes.  Add the nasids to the
 545  * physical_node_map and the pda and increment numionodes.
 546  */
 547
 548 static void __init scan_for_ionodes(void)
 549 {
 550         int nasid = 0;
 551         lboard_t *brd;
 552
 553         /* Setup ionodes with memory */
 554         for (nasid = 0; nasid < MAX_PHYSNODE_ID; nasid += 2) {
 555                 char *klgraph_header;
 556                 cnodeid_t cnodeid;
 557
 558                 if (physical_node_map[nasid] == -1)
 559                         continue;
 560
 561                 cnodeid = -1;
 562                 klgraph_header = __va(ia64_sn_get_klconfig_addr(nasid));
 563                 if (!klgraph_header) {
 564                         if (IS_RUNNING_ON_SIMULATOR())
 565                                 continue;
 566                         BUG();  /* All nodes must have klconfig tables! */
 567                 }
 568                 cnodeid = nasid_to_cnodeid(nasid);
 569                 root_lboard[cnodeid] = (lboard_t *)
 570                     NODE_OFFSET_TO_LBOARD((nasid),
 571                                           ((kl_config_hdr_t
 572                                             *) (klgraph_header))->
 573                                           ch_board_info);
 574         }
 575
 576         /* Scan headless/memless IO Nodes. */
 577         for (nasid = 0; nasid < MAX_PHYSNODE_ID; nasid += 2) {
 578                 /* if there's no nasid, don't try to read the klconfig on the node */
 579                 if (physical_node_map[nasid] == -1)
 580                         continue;
 581                 brd = find_lboard_any((lboard_t *)
 582                                       root_lboard[nasid_to_cnodeid(nasid)],
 583                                       KLTYPE_SNIA);
 584                 if (brd) {
 585                         brd = KLCF_NEXT_ANY(brd);       /* Skip this node's lboard */
 586                         if (!brd)
 587                                 continue;
 588                 }
 589
 590                 brd = find_lboard_any(brd, KLTYPE_SNIA);
 591
 592                 while (brd) {
 593                         sn_cnodeid_to_nasid[numionodes] = brd->brd_nasid;
 594                         physical_node_map[brd->brd_nasid] = numionodes;
 595                         root_lboard[numionodes] = brd;
 596                         numionodes++;
 597                         brd = KLCF_NEXT_ANY(brd);
 598                         if (!brd)
 599                                 break;
 600
 601                         brd = find_lboard_any(brd, KLTYPE_SNIA);
 602                 }
 603         }
 604
 605         /* Scan for TIO nodes. */
 606         for (nasid = 0; nasid < MAX_PHYSNODE_ID; nasid += 2) {
 607                 /* if there's no nasid, don't try to read the klconfig on the node */
 608                 if (physical_node_map[nasid] == -1)
 609                         continue;
 610                 brd = find_lboard_any((lboard_t *)
 611                                       root_lboard[nasid_to_cnodeid(nasid)],
 612                                       KLTYPE_TIO);
 613                 while (brd) {
 614                         sn_cnodeid_to_nasid[numionodes] = brd->brd_nasid;
 615                         physical_node_map[brd->brd_nasid] = numionodes;
 616                         root_lboard[numionodes] = brd;
 617                         numionodes++;
 618                         brd = KLCF_NEXT_ANY(brd);
 619                         if (!brd)
 620                                 break;
 621
 622                         brd = find_lboard_any(brd, KLTYPE_TIO);
 623                 }
 624         }
 625 }
 626
 627 int
 628 nasid_slice_to_cpuid(int nasid, int slice)
 629 {
 630         long cpu;
 631
 632         for (cpu=0; cpu < NR_CPUS; cpu++)
 633                 if (cpuid_to_nasid(cpu) == nasid &&
 634                                         cpuid_to_slice(cpu) == slice)
 635                         return cpu;
 636
 637         return -1;
 638 }