arch/x86/kernel/apic/es7000_32.c

   1 /*
   2  * Written by: Garry Forsgren, Unisys Corporation
   3  *             Natalie Protasevich, Unisys Corporation
   4  *
   5  * This file contains the code to configure and interface
   6  * with Unisys ES7000 series hardware system manager.
   7  *
   8  * Copyright (c) 2003 Unisys Corporation.
   9  * Copyright (C) 2009, Red Hat, Inc., Ingo Molnar
  10  *
  11  *   All Rights Reserved.
  12  *
  13  * This program is free software; you can redistribute it and/or modify it
  14  * under the terms of version 2 of the GNU General Public License as
  15  * published by the Free Software Foundation.
  16  *
  17  * This program is distributed in the hope that it would be useful, but
  18  * WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  20  *
  21  * You should have received a copy of the GNU General Public License along
  22  * with this program; if not, write the Free Software Foundation, Inc., 59
  23  * Temple Place - Suite 330, Boston MA 02111-1307, USA.
  24  *
  25  * Contact information: Unisys Corporation, Township Line & Union Meeting
  26  * Roads-A, Unisys Way, Blue Bell, Pennsylvania, 19424, or:
  27  *
  28  * http://www.unisys.com
  29  */
  30 #include <linux/notifier.h>
  31 #include <linux/spinlock.h>
  32 #include <linux/cpumask.h>
  33 #include <linux/threads.h>
  34 #include <linux/kernel.h>
  35 #include <linux/module.h>
  36 #include <linux/reboot.h>
  37 #include <linux/string.h>
  38 #include <linux/types.h>
  39 #include <linux/errno.h>
  40 #include <linux/acpi.h>
  41 #include <linux/init.h>
  42 #include <linux/nmi.h>
  43 #include <linux/smp.h>
  44 #include <linux/io.h>
  45
  46 #include <asm/apicdef.h>
  47 #include <asm/atomic.h>
  48 #include <asm/fixmap.h>
  49 #include <asm/mpspec.h>
  50 #include <asm/setup.h>
  51 #include <asm/apic.h>
  52 #include <asm/ipi.h>
  53
  54 /*
  55  * ES7000 chipsets
  56  */
  57
  58 #define NON_UNISYS                      0
  59 #define ES7000_CLASSIC                  1
  60 #define ES7000_ZORRO                    2
  61
  62 #define MIP_REG                         1
  63 #define MIP_PSAI_REG                    4
  64
  65 #define MIP_BUSY                        1
  66 #define MIP_SPIN                        0xf0000
  67 #define MIP_VALID                       0x0100000000000000ULL
  68 #define MIP_SW_APIC                     0x1020b
  69
  70 #define MIP_PORT(val)                   ((val >> 32) & 0xffff)
  71
  72 #define MIP_RD_LO(val)                  (val & 0xffffffff)
  73
  74 struct mip_reg {
  75         unsigned long long              off_0x00;
  76         unsigned long long              off_0x08;
  77         unsigned long long              off_0x10;
  78         unsigned long long              off_0x18;
  79         unsigned long long              off_0x20;
  80         unsigned long long              off_0x28;
  81         unsigned long long              off_0x30;
  82         unsigned long long              off_0x38;
  83 };
  84
  85 struct mip_reg_info {
  86         unsigned long long              mip_info;
  87         unsigned long long              delivery_info;
  88         unsigned long long              host_reg;
  89         unsigned long long              mip_reg;
  90 };
  91
  92 struct psai {
  93         unsigned long long              entry_type;
  94         unsigned long long              addr;
  95         unsigned long long              bep_addr;
  96 };
  97
  98 #ifdef CONFIG_ACPI
  99
 100 struct es7000_oem_table {
 101         struct acpi_table_header        Header;
 102         u32                             OEMTableAddr;
 103         u32                             OEMTableSize;
 104 };
 105
 106 static unsigned long                    oem_addrX;
 107 static unsigned long                    oem_size;
 108
 109 #endif
 110
 111 /*
 112  * ES7000 Globals
 113  */
 114
 115 static volatile unsigned long           *psai;
 116 static struct mip_reg                   *mip_reg;
 117 static struct mip_reg                   *host_reg;
 118 static int                              mip_port;
 119 static unsigned long                    mip_addr;
 120 static unsigned long                    host_addr;
 121
 122 int                                     es7000_plat;
 123
 124 /*
 125  * GSI override for ES7000 platforms.
 126  */
 127
 128 static unsigned int                     base;
 129
 130 static int
 131 es7000_rename_gsi(int ioapic, int gsi)
 132 {
 133         if (es7000_plat == ES7000_ZORRO)
 134                 return gsi;
 135
 136         if (!base) {
 137                 int i;
 138                 for (i = 0; i < nr_ioapics; i++)
 139                         base += nr_ioapic_registers[i];
 140         }
 141
 142         if (!ioapic && (gsi < 16))
 143                 gsi += base;
 144
 145         return gsi;
 146 }
 147
 148 static int wakeup_secondary_cpu_via_mip(int cpu, unsigned long eip)
 149 {
 150         unsigned long vect = 0, psaival = 0;
 151
 152         if (psai == NULL)
 153                 return -1;
 154
 155         vect = ((unsigned long)__pa(eip)/0x1000) << 16;
 156         psaival = (0x1000000 | vect | cpu);
 157
 158         while (*psai & 0x1000000)
 159                 ;
 160
 161         *psai = psaival;
 162
 163         return 0;
 164 }
 165
 166 static int __init es7000_update_apic(void)
 167 {
 168         apic->wakeup_cpu = wakeup_secondary_cpu_via_mip;
 169
 170         /* MPENTIUMIII */
 171         if (boot_cpu_data.x86 == 6 &&
 172             (boot_cpu_data.x86_model >= 7 || boot_cpu_data.x86_model <= 11)) {
 173                 es7000_update_apic_to_cluster();
 174                 apic->wait_for_init_deassert = NULL;
 175                 apic->wakeup_cpu = wakeup_secondary_cpu_via_mip;
 176         }
 177
 178         return 0;
 179 }
 180
 181 static void __init setup_unisys(void)
 182 {
 183         /*
 184          * Determine the generation of the ES7000 currently running.
 185          *
 186          * es7000_plat = 1 if the machine is a 5xx ES7000 box
 187          * es7000_plat = 2 if the machine is a x86_64 ES7000 box
 188          *
 189          */
 190         if (!(boot_cpu_data.x86 <= 15 && boot_cpu_data.x86_model <= 2))
 191                 es7000_plat = ES7000_ZORRO;
 192         else
 193                 es7000_plat = ES7000_CLASSIC;
 194         ioapic_renumber_irq = es7000_rename_gsi;
 195
 196         x86_quirks->update_apic = es7000_update_apic;
 197 }
 198
 199 /*
 200  * Parse the OEM Table:
 201  */
 202 static int __init parse_unisys_oem(char *oemptr)
 203 {
 204         int                     i;
 205         int                     success = 0;
 206         unsigned char           type, size;
 207         unsigned long           val;
 208         char                    *tp = NULL;
 209         struct psai             *psaip = NULL;
 210         struct mip_reg_info     *mi;
 211         struct mip_reg          *host, *mip;
 212
 213         tp = oemptr;
 214
 215         tp += 8;
 216
 217         for (i = 0; i <= 6; i++) {
 218                 type = *tp++;
 219                 size = *tp++;
 220                 tp -= 2;
 221                 switch (type) {
 222                 case MIP_REG:
 223                         mi = (struct mip_reg_info *)tp;
 224                         val = MIP_RD_LO(mi->host_reg);
 225                         host_addr = val;
 226                         host = (struct mip_reg *)val;
 227                         host_reg = __va(host);
 228                         val = MIP_RD_LO(mi->mip_reg);
 229                         mip_port = MIP_PORT(mi->mip_info);
 230                         mip_addr = val;
 231                         mip = (struct mip_reg *)val;
 232                         mip_reg = __va(mip);
 233                         pr_debug("es7000_mipcfg: host_reg = 0x%lx \n",
 234                                  (unsigned long)host_reg);
 235                         pr_debug("es7000_mipcfg: mip_reg = 0x%lx \n",
 236                                  (unsigned long)mip_reg);
 237                         success++;
 238                         break;
 239                 case MIP_PSAI_REG:
 240                         psaip = (struct psai *)tp;
 241                         if (tp != NULL) {
 242                                 if (psaip->addr)
 243                                         psai = __va(psaip->addr);
 244                                 else
 245                                         psai = NULL;
 246                                 success++;
 247                         }
 248                         break;
 249                 default:
 250                         break;
 251                 }
 252                 tp += size;
 253         }
 254
 255         if (success < 2)
 256                 es7000_plat = NON_UNISYS;
 257         else
 258                 setup_unisys();
 259
 260         return es7000_plat;
 261 }
 262
 263 #ifdef CONFIG_ACPI
 264 static int __init find_unisys_acpi_oem_table(unsigned long *oem_addr)
 265 {
 266         struct acpi_table_header *header = NULL;
 267         struct es7000_oem_table *table;
 268         acpi_size tbl_size;
 269         acpi_status ret;
 270         int i = 0;
 271
 272         for (;;) {
 273                 ret = acpi_get_table_with_size("OEM1", i++, &header, &tbl_size);
 274                 if (!ACPI_SUCCESS(ret))
 275                         return -1;
 276
 277                 if (!memcmp((char *) &header->oem_id, "UNISYS", 6))
 278                         break;
 279
 280                 early_acpi_os_unmap_memory(header, tbl_size);
 281         }
 282
 283         table = (void *)header;
 284
 285         oem_addrX       = table->OEMTableAddr;
 286         oem_size        = table->OEMTableSize;
 287
 288         early_acpi_os_unmap_memory(header, tbl_size);
 289
 290         *oem_addr       = (unsigned long)__acpi_map_table(oem_addrX, oem_size);
 291
 292         return 0;
 293 }
 294
 295 static void __init unmap_unisys_acpi_oem_table(unsigned long oem_addr)
 296 {
 297         if (!oem_addr)
 298                 return;
 299
 300         __acpi_unmap_table((char *)oem_addr, oem_size);
 301 }
 302
 303 static int es7000_check_dsdt(void)
 304 {
 305         struct acpi_table_header header;
 306
 307         if (ACPI_SUCCESS(acpi_get_table_header(ACPI_SIG_DSDT, 0, &header)) &&
 308             !strncmp(header.oem_id, "UNISYS", 6))
 309                 return 1;
 310         return 0;
 311 }
 312
 313 /* Hook from generic ACPI tables.c */
 314 static int __init es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 315 {
 316         unsigned long oem_addr = 0;
 317         int check_dsdt;
 318         int ret = 0;
 319
 320         /* check dsdt at first to avoid clear fix_map for oem_addr */
 321         check_dsdt = es7000_check_dsdt();
 322
 323         if (!find_unisys_acpi_oem_table(&oem_addr)) {
 324                 if (check_dsdt) {
 325                         ret = parse_unisys_oem((char *)oem_addr);
 326                 } else {
 327                         setup_unisys();
 328                         ret = 1;
 329                 }
 330                 /*
 331                  * we need to unmap it
 332                  */
 333                 unmap_unisys_acpi_oem_table(oem_addr);
 334         }
 335         return ret;
 336 }
 337 #else /* !CONFIG_ACPI: */
 338 static int __init es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 339 {
 340         return 0;
 341 }
 342 #endif /* !CONFIG_ACPI */
 343
 344 static void es7000_spin(int n)
 345 {
 346         int i = 0;
 347
 348         while (i++ < n)
 349                 rep_nop();
 350 }
 351
 352 static int __init
 353 es7000_mip_write(struct mip_reg *mip_reg)
 354 {
 355         int status = 0;
 356         int spin;
 357
 358         spin = MIP_SPIN;
 359         while ((host_reg->off_0x38 & MIP_VALID) != 0) {
 360                 if (--spin <= 0) {
 361                         WARN(1, "Timeout waiting for Host Valid Flag\n");
 362                         return -1;
 363                 }
 364                 es7000_spin(MIP_SPIN);
 365         }
 366
 367         memcpy(host_reg, mip_reg, sizeof(struct mip_reg));
 368         outb(1, mip_port);
 369
 370         spin = MIP_SPIN;
 371
 372         while ((mip_reg->off_0x38 & MIP_VALID) == 0) {
 373                 if (--spin <= 0) {
 374                         WARN(1, "Timeout waiting for MIP Valid Flag\n");
 375                         return -1;
 376                 }
 377                 es7000_spin(MIP_SPIN);
 378         }
 379
 380         status = (mip_reg->off_0x00 & 0xffff0000000000ULL) >> 48;
 381         mip_reg->off_0x38 &= ~MIP_VALID;
 382
 383         return status;
 384 }
 385
 386 static void __init es7000_enable_apic_mode(void)
 387 {
 388         struct mip_reg es7000_mip_reg;
 389         int mip_status;
 390
 391         if (!es7000_plat)
 392                 return;
 393
 394         printk(KERN_INFO "ES7000: Enabling APIC mode.\n");
 395         memset(&es7000_mip_reg, 0, sizeof(struct mip_reg));
 396         es7000_mip_reg.off_0x00 = MIP_SW_APIC;
 397         es7000_mip_reg.off_0x38 = MIP_VALID;
 398
 399         while ((mip_status = es7000_mip_write(&es7000_mip_reg)) != 0)
 400                 WARN(1, "Command failed, status = %x\n", mip_status);
 401 }
 402
 403 static void es7000_vector_allocation_domain(int cpu, cpumask_t *retmask)
 404 {
 405         /* Careful. Some cpus do not strictly honor the set of cpus
 406          * specified in the interrupt destination when using lowest
 407          * priority interrupt delivery mode.
 408          *
 409          * In particular there was a hyperthreading cpu observed to
 410          * deliver interrupts to the wrong hyperthread when only one
 411          * hyperthread was specified in the interrupt desitination.
 412          */
 413         *retmask = (cpumask_t){ { [0] = APIC_ALL_CPUS, } };
 414 }
 415
 416
 417 static void es7000_wait_for_init_deassert(atomic_t *deassert)
 418 {
 419 #ifndef CONFIG_ES7000_CLUSTERED_APIC
 420         while (!atomic_read(deassert))
 421                 cpu_relax();
 422 #endif
 423         return;
 424 }
 425
 426 static unsigned int es7000_get_apic_id(unsigned long x)
 427 {
 428         return (x >> 24) & 0xFF;
 429 }
 430
 431 static void es7000_send_IPI_mask(const struct cpumask *mask, int vector)
 432 {
 433         default_send_IPI_mask_sequence_phys(mask, vector);
 434 }
 435
 436 static void es7000_send_IPI_allbutself(int vector)
 437 {
 438         default_send_IPI_mask_allbutself_phys(cpu_online_mask, vector);
 439 }
 440
 441 static void es7000_send_IPI_all(int vector)
 442 {
 443         es7000_send_IPI_mask(cpu_online_mask, vector);
 444 }
 445
 446 static int es7000_apic_id_registered(void)
 447 {
 448         return 1;
 449 }
 450
 451 static const cpumask_t *target_cpus_cluster(void)
 452 {
 453         return &CPU_MASK_ALL;
 454 }
 455
 456 static const cpumask_t *es7000_target_cpus(void)
 457 {
 458         return &cpumask_of_cpu(smp_processor_id());
 459 }
 460
 461 static unsigned long
 462 es7000_check_apicid_used(physid_mask_t bitmap, int apicid)
 463 {
 464         return 0;
 465 }
 466 static unsigned long es7000_check_apicid_present(int bit)
 467 {
 468         return physid_isset(bit, phys_cpu_present_map);
 469 }
 470
 471 static unsigned long calculate_ldr(int cpu)
 472 {
 473         unsigned long id = per_cpu(x86_bios_cpu_apicid, cpu);
 474
 475         return SET_APIC_LOGICAL_ID(id);
 476 }
 477
 478 /*
 479  * Set up the logical destination ID.
 480  *
 481  * Intel recommends to set DFR, LdR and TPR before enabling
 482  * an APIC.  See e.g. "AP-388 82489DX User's Manual" (Intel
 483  * document number 292116).  So here it goes...
 484  */
 485 static void es7000_init_apic_ldr_cluster(void)
 486 {
 487         unsigned long val;
 488         int cpu = smp_processor_id();
 489
 490         apic_write(APIC_DFR, APIC_DFR_CLUSTER);
 491         val = calculate_ldr(cpu);
 492         apic_write(APIC_LDR, val);
 493 }
 494
 495 static void es7000_init_apic_ldr(void)
 496 {
 497         unsigned long val;
 498         int cpu = smp_processor_id();
 499
 500         apic_write(APIC_DFR, APIC_DFR_FLAT);
 501         val = calculate_ldr(cpu);
 502         apic_write(APIC_LDR, val);
 503 }
 504
 505 static void es7000_setup_apic_routing(void)
 506 {
 507         int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id());
 508
 509         printk(KERN_INFO
 510           "Enabling APIC mode:  %s. Using %d I/O APICs, target cpus %lx\n",
 511                 (apic_version[apic] == 0x14) ?
 512                         "Physical Cluster" : "Logical Cluster",
 513                 nr_ioapics, cpus_addr(*es7000_target_cpus())[0]);
 514 }
 515
 516 static int es7000_apicid_to_node(int logical_apicid)
 517 {
 518         return 0;
 519 }
 520
 521
 522 static int es7000_cpu_present_to_apicid(int mps_cpu)
 523 {
 524         if (!mps_cpu)
 525                 return boot_cpu_physical_apicid;
 526         else if (mps_cpu < nr_cpu_ids)
 527                 return per_cpu(x86_bios_cpu_apicid, mps_cpu);
 528         else
 529                 return BAD_APICID;
 530 }
 531
 532 static int cpu_id;
 533
 534 static physid_mask_t es7000_apicid_to_cpu_present(int phys_apicid)
 535 {
 536         physid_mask_t mask;
 537
 538         mask = physid_mask_of_physid(cpu_id);
 539         ++cpu_id;
 540
 541         return mask;
 542 }
 543
 544 /* Mapping from cpu number to logical apicid */
 545 static int es7000_cpu_to_logical_apicid(int cpu)
 546 {
 547 #ifdef CONFIG_SMP
 548         if (cpu >= nr_cpu_ids)
 549                 return BAD_APICID;
 550         return cpu_2_logical_apicid[cpu];
 551 #else
 552         return logical_smp_processor_id();
 553 #endif
 554 }
 555
 556 static physid_mask_t es7000_ioapic_phys_id_map(physid_mask_t phys_map)
 557 {
 558         /* For clustered we don't have a good way to do this yet - hack */
 559         return physids_promote(0xff);
 560 }
 561
 562 static int es7000_check_phys_apicid_present(int cpu_physical_apicid)
 563 {
 564         boot_cpu_physical_apicid = read_apic_id();
 565         return 1;
 566 }
 567
 568 static unsigned int
 569 es7000_cpu_mask_to_apicid_cluster(const struct cpumask *cpumask)
 570 {
 571         int cpus_found = 0;
 572         int num_bits_set;
 573         int apicid;
 574         int cpu;
 575
 576         num_bits_set = cpumask_weight(cpumask);
 577         /* Return id to all */
 578         if (num_bits_set == nr_cpu_ids)
 579                 return 0xFF;
 580         /*
 581          * The cpus in the mask must all be on the apic cluster.  If are not
 582          * on the same apicid cluster return default value of target_cpus():
 583          */
 584         cpu = cpumask_first(cpumask);
 585         apicid = es7000_cpu_to_logical_apicid(cpu);
 586
 587         while (cpus_found < num_bits_set) {
 588                 if (cpumask_test_cpu(cpu, cpumask)) {
 589                         int new_apicid = es7000_cpu_to_logical_apicid(cpu);
 590
 591                         if (APIC_CLUSTER(apicid) != APIC_CLUSTER(new_apicid)) {
 592                                 WARN(1, "Not a valid mask!");
 593
 594                                 return 0xFF;
 595                         }
 596                         apicid = new_apicid;
 597                         cpus_found++;
 598                 }
 599                 cpu++;
 600         }
 601         return apicid;
 602 }
 603
 604 static unsigned int es7000_cpu_mask_to_apicid(const cpumask_t *cpumask)
 605 {
 606         int cpus_found = 0;
 607         int num_bits_set;
 608         int apicid;
 609         int cpu;
 610
 611         num_bits_set = cpus_weight(*cpumask);
 612         /* Return id to all */
 613         if (num_bits_set == nr_cpu_ids)
 614                 return es7000_cpu_to_logical_apicid(0);
 615         /*
 616          * The cpus in the mask must all be on the apic cluster.  If are not
 617          * on the same apicid cluster return default value of target_cpus():
 618          */
 619         cpu = first_cpu(*cpumask);
 620         apicid = es7000_cpu_to_logical_apicid(cpu);
 621         while (cpus_found < num_bits_set) {
 622                 if (cpu_isset(cpu, *cpumask)) {
 623                         int new_apicid = es7000_cpu_to_logical_apicid(cpu);
 624
 625                         if (APIC_CLUSTER(apicid) != APIC_CLUSTER(new_apicid)) {
 626                                 printk("%s: Not a valid mask!\n", __func__);
 627
 628                                 return es7000_cpu_to_logical_apicid(0);
 629                         }
 630                         apicid = new_apicid;
 631                         cpus_found++;
 632                 }
 633                 cpu++;
 634         }
 635         return apicid;
 636 }
 637
 638 static unsigned int
 639 es7000_cpu_mask_to_apicid_and(const struct cpumask *inmask,
 640                               const struct cpumask *andmask)
 641 {
 642         int apicid = es7000_cpu_to_logical_apicid(0);
 643         cpumask_var_t cpumask;
 644
 645         if (!alloc_cpumask_var(&cpumask, GFP_ATOMIC))
 646                 return apicid;
 647
 648         cpumask_and(cpumask, inmask, andmask);
 649         cpumask_and(cpumask, cpumask, cpu_online_mask);
 650         apicid = es7000_cpu_mask_to_apicid(cpumask);
 651
 652         free_cpumask_var(cpumask);
 653
 654         return apicid;
 655 }
 656
 657 static int es7000_phys_pkg_id(int cpuid_apic, int index_msb)
 658 {
 659         return cpuid_apic >> index_msb;
 660 }
 661
 662 void __init es7000_update_apic_to_cluster(void)
 663 {
 664         apic->target_cpus = target_cpus_cluster;
 665         apic->irq_delivery_mode = dest_LowestPrio;
 666         /* logical delivery broadcast to all procs: */
 667         apic->irq_dest_mode = 1;
 668
 669         apic->init_apic_ldr = es7000_init_apic_ldr_cluster;
 670
 671         apic->cpu_mask_to_apicid = es7000_cpu_mask_to_apicid_cluster;
 672 }
 673
 674 static int probe_es7000(void)
 675 {
 676         /* probed later in mptable/ACPI hooks */
 677         return 0;
 678 }
 679
 680 static __init int
 681 es7000_mps_oem_check(struct mpc_table *mpc, char *oem, char *productid)
 682 {
 683         if (mpc->oemptr) {
 684                 struct mpc_oemtable *oem_table =
 685                         (struct mpc_oemtable *)mpc->oemptr;
 686
 687                 if (!strncmp(oem, "UNISYS", 6))
 688                         return parse_unisys_oem((char *)oem_table);
 689         }
 690         return 0;
 691 }
 692
 693
 694 struct apic apic_es7000 = {
 695
 696         .name                           = "es7000",
 697         .probe                          = probe_es7000,
 698         .acpi_madt_oem_check            = es7000_acpi_madt_oem_check,
 699         .apic_id_registered             = es7000_apic_id_registered,
 700
 701         .irq_delivery_mode              = dest_Fixed,
 702         /* phys delivery to target CPUs: */
 703         .irq_dest_mode                  = 0,
 704
 705         .target_cpus                    = es7000_target_cpus,
 706         .disable_esr                    = 1,
 707         .dest_logical                   = 0,
 708         .check_apicid_used              = es7000_check_apicid_used,
 709         .check_apicid_present           = es7000_check_apicid_present,
 710
 711         .vector_allocation_domain       = es7000_vector_allocation_domain,
 712         .init_apic_ldr                  = es7000_init_apic_ldr,
 713
 714         .ioapic_phys_id_map             = es7000_ioapic_phys_id_map,
 715         .setup_apic_routing             = es7000_setup_apic_routing,
 716         .multi_timer_check              = NULL,
 717         .apicid_to_node                 = es7000_apicid_to_node,
 718         .cpu_to_logical_apicid          = es7000_cpu_to_logical_apicid,
 719         .cpu_present_to_apicid          = es7000_cpu_present_to_apicid,
 720         .apicid_to_cpu_present          = es7000_apicid_to_cpu_present,
 721         .setup_portio_remap             = NULL,
 722         .check_phys_apicid_present      = es7000_check_phys_apicid_present,
 723         .enable_apic_mode               = es7000_enable_apic_mode,
 724         .phys_pkg_id                    = es7000_phys_pkg_id,
 725         .mps_oem_check                  = es7000_mps_oem_check,
 726
 727         .get_apic_id                    = es7000_get_apic_id,
 728         .set_apic_id                    = NULL,
 729         .apic_id_mask                   = 0xFF << 24,
 730
 731         .cpu_mask_to_apicid             = es7000_cpu_mask_to_apicid,
 732         .cpu_mask_to_apicid_and         = es7000_cpu_mask_to_apicid_and,
 733
 734         .send_IPI_mask                  = es7000_send_IPI_mask,
 735         .send_IPI_mask_allbutself       = NULL,
 736         .send_IPI_allbutself            = es7000_send_IPI_allbutself,
 737         .send_IPI_all                   = es7000_send_IPI_all,
 738         .send_IPI_self                  = default_send_IPI_self,
 739
 740         .wakeup_cpu                     = NULL,
 741
 742         .trampoline_phys_low            = 0x467,
 743         .trampoline_phys_high           = 0x469,
 744
 745         .wait_for_init_deassert         = es7000_wait_for_init_deassert,
 746
 747         /* Nothing to do for most platforms, since cleared by the INIT cycle: */
 748         .smp_callin_clear_local_apic    = NULL,
 749         .inquire_remote_apic            = default_inquire_remote_apic,
 750
 751         .read                           = native_apic_mem_read,
 752         .write                          = native_apic_mem_write,
 753         .icr_read                       = native_apic_icr_read,
 754         .icr_write                      = native_apic_icr_write,
 755         .wait_icr_idle                  = native_apic_wait_icr_idle,
 756         .safe_wait_icr_idle             = native_safe_apic_wait_icr_idle,
 757 };