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
  31 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  32
  33 #include <linux/notifier.h>
  34 #include <linux/spinlock.h>
  35 #include <linux/cpumask.h>
  36 #include <linux/threads.h>
  37 #include <linux/kernel.h>
  38 #include <linux/module.h>
  39 #include <linux/reboot.h>
  40 #include <linux/string.h>
  41 #include <linux/types.h>
  42 #include <linux/errno.h>
  43 #include <linux/acpi.h>
  44 #include <linux/init.h>
  45 #include <linux/gfp.h>
  46 #include <linux/nmi.h>
  47 #include <linux/smp.h>
  48 #include <linux/io.h>
  49
  50 #include <asm/apicdef.h>
  51 #include <asm/atomic.h>
  52 #include <asm/fixmap.h>
  53 #include <asm/mpspec.h>
  54 #include <asm/setup.h>
  55 #include <asm/apic.h>
  56 #include <asm/ipi.h>
  57
  58 /*
  59  * ES7000 chipsets
  60  */
  61
  62 #define NON_UNISYS                      0
  63 #define ES7000_CLASSIC                  1
  64 #define ES7000_ZORRO                    2
  65
  66 #define MIP_REG                         1
  67 #define MIP_PSAI_REG                    4
  68
  69 #define MIP_BUSY                        1
  70 #define MIP_SPIN                        0xf0000
  71 #define MIP_VALID                       0x0100000000000000ULL
  72 #define MIP_SW_APIC                     0x1020b
  73
  74 #define MIP_PORT(val)                   ((val >> 32) & 0xffff)
  75
  76 #define MIP_RD_LO(val)                  (val & 0xffffffff)
  77
  78 struct mip_reg {
  79         unsigned long long              off_0x00;
  80         unsigned long long              off_0x08;
  81         unsigned long long              off_0x10;
  82         unsigned long long              off_0x18;
  83         unsigned long long              off_0x20;
  84         unsigned long long              off_0x28;
  85         unsigned long long              off_0x30;
  86         unsigned long long              off_0x38;
  87 };
  88
  89 struct mip_reg_info {
  90         unsigned long long              mip_info;
  91         unsigned long long              delivery_info;
  92         unsigned long long              host_reg;
  93         unsigned long long              mip_reg;
  94 };
  95
  96 struct psai {
  97         unsigned long long              entry_type;
  98         unsigned long long              addr;
  99         unsigned long long              bep_addr;
 100 };
 101
 102 #ifdef CONFIG_ACPI
 103
 104 struct es7000_oem_table {
 105         struct acpi_table_header        Header;
 106         u32                             OEMTableAddr;
 107         u32                             OEMTableSize;
 108 };
 109
 110 static unsigned long                    oem_addrX;
 111 static unsigned long                    oem_size;
 112
 113 #endif
 114
 115 /*
 116  * ES7000 Globals
 117  */
 118
 119 static volatile unsigned long           *psai;
 120 static struct mip_reg                   *mip_reg;
 121 static struct mip_reg                   *host_reg;
 122 static int                              mip_port;
 123 static unsigned long                    mip_addr;
 124 static unsigned long                    host_addr;
 125
 126 int                                     es7000_plat;
 127
 128 /*
 129  * GSI override for ES7000 platforms.
 130  */
 131
 132 static unsigned int                     base;
 133
 134 static int __cpuinit wakeup_secondary_cpu_via_mip(int cpu, unsigned long eip)
 135 {
 136         unsigned long vect = 0, psaival = 0;
 137
 138         if (psai == NULL)
 139                 return -1;
 140
 141         vect = ((unsigned long)__pa(eip)/0x1000) << 16;
 142         psaival = (0x1000000 | vect | cpu);
 143
 144         while (*psai & 0x1000000)
 145                 ;
 146
 147         *psai = psaival;
 148
 149         return 0;
 150 }
 151
 152 static int es7000_apic_is_cluster(void)
 153 {
 154         /* MPENTIUMIII */
 155         if (boot_cpu_data.x86 == 6 &&
 156             (boot_cpu_data.x86_model >= 7 && boot_cpu_data.x86_model <= 11))
 157                 return 1;
 158
 159         return 0;
 160 }
 161
 162 static void setup_unisys(void)
 163 {
 164         /*
 165          * Determine the generation of the ES7000 currently running.
 166          *
 167          * es7000_plat = 1 if the machine is a 5xx ES7000 box
 168          * es7000_plat = 2 if the machine is a x86_64 ES7000 box
 169          *
 170          */
 171         if (!(boot_cpu_data.x86 <= 15 && boot_cpu_data.x86_model <= 2))
 172                 es7000_plat = ES7000_ZORRO;
 173         else
 174                 es7000_plat = ES7000_CLASSIC;
 175 }
 176
 177 /*
 178  * Parse the OEM Table:
 179  */
 180 static int parse_unisys_oem(char *oemptr)
 181 {
 182         int                     i;
 183         int                     success = 0;
 184         unsigned char           type, size;
 185         unsigned long           val;
 186         char                    *tp = NULL;
 187         struct psai             *psaip = NULL;
 188         struct mip_reg_info     *mi;
 189         struct mip_reg          *host, *mip;
 190
 191         tp = oemptr;
 192
 193         tp += 8;
 194
 195         for (i = 0; i <= 6; i++) {
 196                 type = *tp++;
 197                 size = *tp++;
 198                 tp -= 2;
 199                 switch (type) {
 200                 case MIP_REG:
 201                         mi = (struct mip_reg_info *)tp;
 202                         val = MIP_RD_LO(mi->host_reg);
 203                         host_addr = val;
 204                         host = (struct mip_reg *)val;
 205                         host_reg = __va(host);
 206                         val = MIP_RD_LO(mi->mip_reg);
 207                         mip_port = MIP_PORT(mi->mip_info);
 208                         mip_addr = val;
 209                         mip = (struct mip_reg *)val;
 210                         mip_reg = __va(mip);
 211                         pr_debug("host_reg = 0x%lx\n",
 212                                  (unsigned long)host_reg);
 213                         pr_debug("mip_reg = 0x%lx\n",
 214                                  (unsigned long)mip_reg);
 215                         success++;
 216                         break;
 217                 case MIP_PSAI_REG:
 218                         psaip = (struct psai *)tp;
 219                         if (tp != NULL) {
 220                                 if (psaip->addr)
 221                                         psai = __va(psaip->addr);
 222                                 else
 223                                         psai = NULL;
 224                                 success++;
 225                         }
 226                         break;
 227                 default:
 228                         break;
 229                 }
 230                 tp += size;
 231         }
 232
 233         if (success < 2)
 234                 es7000_plat = NON_UNISYS;
 235         else
 236                 setup_unisys();
 237
 238         return es7000_plat;
 239 }
 240
 241 #ifdef CONFIG_ACPI
 242 static int __init find_unisys_acpi_oem_table(unsigned long *oem_addr)
 243 {
 244         struct acpi_table_header *header = NULL;
 245         struct es7000_oem_table *table;
 246         acpi_size tbl_size;
 247         acpi_status ret;
 248         int i = 0;
 249
 250         for (;;) {
 251                 ret = acpi_get_table_with_size("OEM1", i++, &header, &tbl_size);
 252                 if (!ACPI_SUCCESS(ret))
 253                         return -1;
 254
 255                 if (!memcmp((char *) &header->oem_id, "UNISYS", 6))
 256                         break;
 257
 258                 early_acpi_os_unmap_memory(header, tbl_size);
 259         }
 260
 261         table = (void *)header;
 262
 263         oem_addrX       = table->OEMTableAddr;
 264         oem_size        = table->OEMTableSize;
 265
 266         early_acpi_os_unmap_memory(header, tbl_size);
 267
 268         *oem_addr       = (unsigned long)__acpi_map_table(oem_addrX, oem_size);
 269
 270         return 0;
 271 }
 272
 273 static void __init unmap_unisys_acpi_oem_table(unsigned long oem_addr)
 274 {
 275         if (!oem_addr)
 276                 return;
 277
 278         __acpi_unmap_table((char *)oem_addr, oem_size);
 279 }
 280
 281 static int es7000_check_dsdt(void)
 282 {
 283         struct acpi_table_header header;
 284
 285         if (ACPI_SUCCESS(acpi_get_table_header(ACPI_SIG_DSDT, 0, &header)) &&
 286             !strncmp(header.oem_id, "UNISYS", 6))
 287                 return 1;
 288         return 0;
 289 }
 290
 291 static int es7000_acpi_ret;
 292
 293 /* Hook from generic ACPI tables.c */
 294 static int __init es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 295 {
 296         unsigned long oem_addr = 0;
 297         int check_dsdt;
 298         int ret = 0;
 299
 300         /* check dsdt at first to avoid clear fix_map for oem_addr */
 301         check_dsdt = es7000_check_dsdt();
 302
 303         if (!find_unisys_acpi_oem_table(&oem_addr)) {
 304                 if (check_dsdt) {
 305                         ret = parse_unisys_oem((char *)oem_addr);
 306                 } else {
 307                         setup_unisys();
 308                         ret = 1;
 309                 }
 310                 /*
 311                  * we need to unmap it
 312                  */
 313                 unmap_unisys_acpi_oem_table(oem_addr);
 314         }
 315
 316         es7000_acpi_ret = ret;
 317
 318         return ret && !es7000_apic_is_cluster();
 319 }
 320
 321 static int es7000_acpi_madt_oem_check_cluster(char *oem_id, char *oem_table_id)
 322 {
 323         int ret = es7000_acpi_ret;
 324
 325         return ret && es7000_apic_is_cluster();
 326 }
 327
 328 #else /* !CONFIG_ACPI: */
 329 static int es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 330 {
 331         return 0;
 332 }
 333
 334 static int es7000_acpi_madt_oem_check_cluster(char *oem_id, char *oem_table_id)
 335 {
 336         return 0;
 337 }
 338 #endif /* !CONFIG_ACPI */
 339
 340 static void es7000_spin(int n)
 341 {
 342         int i = 0;
 343
 344         while (i++ < n)
 345                 rep_nop();
 346 }
 347
 348 static int es7000_mip_write(struct mip_reg *mip_reg)
 349 {
 350         int status = 0;
 351         int spin;
 352
 353         spin = MIP_SPIN;
 354         while ((host_reg->off_0x38 & MIP_VALID) != 0) {
 355                 if (--spin <= 0) {
 356                         WARN(1, "Timeout waiting for Host Valid Flag\n");
 357                         return -1;
 358                 }
 359                 es7000_spin(MIP_SPIN);
 360         }
 361
 362         memcpy(host_reg, mip_reg, sizeof(struct mip_reg));
 363         outb(1, mip_port);
 364
 365         spin = MIP_SPIN;
 366
 367         while ((mip_reg->off_0x38 & MIP_VALID) == 0) {
 368                 if (--spin <= 0) {
 369                         WARN(1, "Timeout waiting for MIP Valid Flag\n");
 370                         return -1;
 371                 }
 372                 es7000_spin(MIP_SPIN);
 373         }
 374
 375         status = (mip_reg->off_0x00 & 0xffff0000000000ULL) >> 48;
 376         mip_reg->off_0x38 &= ~MIP_VALID;
 377
 378         return status;
 379 }
 380
 381 static void es7000_enable_apic_mode(void)
 382 {
 383         struct mip_reg es7000_mip_reg;
 384         int mip_status;
 385
 386         if (!es7000_plat)
 387                 return;
 388
 389         pr_info("Enabling APIC mode.\n");
 390         memset(&es7000_mip_reg, 0, sizeof(struct mip_reg));
 391         es7000_mip_reg.off_0x00 = MIP_SW_APIC;
 392         es7000_mip_reg.off_0x38 = MIP_VALID;
 393
 394         while ((mip_status = es7000_mip_write(&es7000_mip_reg)) != 0)
 395                 WARN(1, "Command failed, status = %x\n", mip_status);
 396 }
 397
 398 static void es7000_vector_allocation_domain(int cpu, struct cpumask *retmask)
 399 {
 400         /* Careful. Some cpus do not strictly honor the set of cpus
 401          * specified in the interrupt destination when using lowest
 402          * priority interrupt delivery mode.
 403          *
 404          * In particular there was a hyperthreading cpu observed to
 405          * deliver interrupts to the wrong hyperthread when only one
 406          * hyperthread was specified in the interrupt desitination.
 407          */
 408         cpumask_clear(retmask);
 409         cpumask_bits(retmask)[0] = APIC_ALL_CPUS;
 410 }
 411
 412
 413 static void es7000_wait_for_init_deassert(atomic_t *deassert)
 414 {
 415         while (!atomic_read(deassert))
 416                 cpu_relax();
 417 }
 418
 419 static unsigned int es7000_get_apic_id(unsigned long x)
 420 {
 421         return (x >> 24) & 0xFF;
 422 }
 423
 424 static void es7000_send_IPI_mask(const struct cpumask *mask, int vector)
 425 {
 426         default_send_IPI_mask_sequence_phys(mask, vector);
 427 }
 428
 429 static void es7000_send_IPI_allbutself(int vector)
 430 {
 431         default_send_IPI_mask_allbutself_phys(cpu_online_mask, vector);
 432 }
 433
 434 static void es7000_send_IPI_all(int vector)
 435 {
 436         es7000_send_IPI_mask(cpu_online_mask, vector);
 437 }
 438
 439 static int es7000_apic_id_registered(void)
 440 {
 441         return 1;
 442 }
 443
 444 static const struct cpumask *target_cpus_cluster(void)
 445 {
 446         return cpu_all_mask;
 447 }
 448
 449 static const struct cpumask *es7000_target_cpus(void)
 450 {
 451         return cpumask_of(smp_processor_id());
 452 }
 453
 454 static unsigned long es7000_check_apicid_used(physid_mask_t *map, int apicid)
 455 {
 456         return 0;
 457 }
 458
 459 static unsigned long es7000_check_apicid_present(int bit)
 460 {
 461         return physid_isset(bit, phys_cpu_present_map);
 462 }
 463
 464 static unsigned long calculate_ldr(int cpu)
 465 {
 466         unsigned long id = per_cpu(x86_bios_cpu_apicid, cpu);
 467
 468         return SET_APIC_LOGICAL_ID(id);
 469 }
 470
 471 /*
 472  * Set up the logical destination ID.
 473  *
 474  * Intel recommends to set DFR, LdR and TPR before enabling
 475  * an APIC.  See e.g. "AP-388 82489DX User's Manual" (Intel
 476  * document number 292116).  So here it goes...
 477  */
 478 static void es7000_init_apic_ldr_cluster(void)
 479 {
 480         unsigned long val;
 481         int cpu = smp_processor_id();
 482
 483         apic_write(APIC_DFR, APIC_DFR_CLUSTER);
 484         val = calculate_ldr(cpu);
 485         apic_write(APIC_LDR, val);
 486 }
 487
 488 static void es7000_init_apic_ldr(void)
 489 {
 490         unsigned long val;
 491         int cpu = smp_processor_id();
 492
 493         apic_write(APIC_DFR, APIC_DFR_FLAT);
 494         val = calculate_ldr(cpu);
 495         apic_write(APIC_LDR, val);
 496 }
 497
 498 static void es7000_setup_apic_routing(void)
 499 {
 500         int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id());
 501
 502         pr_info("Enabling APIC mode:  %s. Using %d I/O APICs, target cpus %lx\n",
 503                 (apic_version[apic] == 0x14) ?
 504                         "Physical Cluster" : "Logical Cluster",
 505                 nr_ioapics, cpumask_bits(es7000_target_cpus())[0]);
 506 }
 507
 508 static int es7000_apicid_to_node(int logical_apicid)
 509 {
 510         return 0;
 511 }
 512
 513
 514 static int es7000_cpu_present_to_apicid(int mps_cpu)
 515 {
 516         if (!mps_cpu)
 517                 return boot_cpu_physical_apicid;
 518         else if (mps_cpu < nr_cpu_ids)
 519                 return per_cpu(x86_bios_cpu_apicid, mps_cpu);
 520         else
 521                 return BAD_APICID;
 522 }
 523
 524 static int cpu_id;
 525
 526 static void es7000_apicid_to_cpu_present(int phys_apicid, physid_mask_t *retmap)
 527 {
 528         physid_set_mask_of_physid(cpu_id, retmap);
 529         ++cpu_id;
 530 }
 531
 532 /* Mapping from cpu number to logical apicid */
 533 static int es7000_cpu_to_logical_apicid(int cpu)
 534 {
 535 #ifdef CONFIG_SMP
 536         if (cpu >= nr_cpu_ids)
 537                 return BAD_APICID;
 538         return cpu_2_logical_apicid[cpu];
 539 #else
 540         return logical_smp_processor_id();
 541 #endif
 542 }
 543
 544 static void es7000_ioapic_phys_id_map(physid_mask_t *phys_map, physid_mask_t *retmap)
 545 {
 546         /* For clustered we don't have a good way to do this yet - hack */
 547         physids_promote(0xFFL, retmap);
 548 }
 549
 550 static int es7000_check_phys_apicid_present(int cpu_physical_apicid)
 551 {
 552         boot_cpu_physical_apicid = read_apic_id();
 553         return 1;
 554 }
 555
 556 static unsigned int es7000_cpu_mask_to_apicid(const struct cpumask *cpumask)
 557 {
 558         unsigned int round = 0;
 559         int cpu, uninitialized_var(apicid);
 560
 561         /*
 562          * The cpus in the mask must all be on the apic cluster.
 563          */
 564         for_each_cpu(cpu, cpumask) {
 565                 int new_apicid = es7000_cpu_to_logical_apicid(cpu);
 566
 567                 if (round && APIC_CLUSTER(apicid) != APIC_CLUSTER(new_apicid)) {
 568                         WARN(1, "Not a valid mask!");
 569
 570                         return BAD_APICID;
 571                 }
 572                 apicid = new_apicid;
 573                 round++;
 574         }
 575         return apicid;
 576 }
 577
 578 static unsigned int
 579 es7000_cpu_mask_to_apicid_and(const struct cpumask *inmask,
 580                               const struct cpumask *andmask)
 581 {
 582         int apicid = es7000_cpu_to_logical_apicid(0);
 583         cpumask_var_t cpumask;
 584
 585         if (!alloc_cpumask_var(&cpumask, GFP_ATOMIC))
 586                 return apicid;
 587
 588         cpumask_and(cpumask, inmask, andmask);
 589         cpumask_and(cpumask, cpumask, cpu_online_mask);
 590         apicid = es7000_cpu_mask_to_apicid(cpumask);
 591
 592         free_cpumask_var(cpumask);
 593
 594         return apicid;
 595 }
 596
 597 static int es7000_phys_pkg_id(int cpuid_apic, int index_msb)
 598 {
 599         return cpuid_apic >> index_msb;
 600 }
 601
 602 static int probe_es7000(void)
 603 {
 604         /* probed later in mptable/ACPI hooks */
 605         return 0;
 606 }
 607
 608 static int es7000_mps_ret;
 609 static int es7000_mps_oem_check(struct mpc_table *mpc, char *oem,
 610                 char *productid)
 611 {
 612         int ret = 0;
 613
 614         if (mpc->oemptr) {
 615                 struct mpc_oemtable *oem_table =
 616                         (struct mpc_oemtable *)mpc->oemptr;
 617
 618                 if (!strncmp(oem, "UNISYS", 6))
 619                         ret = parse_unisys_oem((char *)oem_table);
 620         }
 621
 622         es7000_mps_ret = ret;
 623
 624         return ret && !es7000_apic_is_cluster();
 625 }
 626
 627 static int es7000_mps_oem_check_cluster(struct mpc_table *mpc, char *oem,
 628                 char *productid)
 629 {
 630         int ret = es7000_mps_ret;
 631
 632         return ret && es7000_apic_is_cluster();
 633 }
 634
 635 /* We've been warned by a false positive warning.Use __refdata to keep calm. */
 636 struct apic __refdata apic_es7000_cluster = {
 637
 638         .name                           = "es7000",
 639         .probe                          = probe_es7000,
 640         .acpi_madt_oem_check            = es7000_acpi_madt_oem_check_cluster,
 641         .apic_id_registered             = es7000_apic_id_registered,
 642
 643         .irq_delivery_mode              = dest_LowestPrio,
 644         /* logical delivery broadcast to all procs: */
 645         .irq_dest_mode                  = 1,
 646
 647         .target_cpus                    = target_cpus_cluster,
 648         .disable_esr                    = 1,
 649         .dest_logical                   = 0,
 650         .check_apicid_used              = es7000_check_apicid_used,
 651         .check_apicid_present           = es7000_check_apicid_present,
 652
 653         .vector_allocation_domain       = es7000_vector_allocation_domain,
 654         .init_apic_ldr                  = es7000_init_apic_ldr_cluster,
 655
 656         .ioapic_phys_id_map             = es7000_ioapic_phys_id_map,
 657         .setup_apic_routing             = es7000_setup_apic_routing,
 658         .multi_timer_check              = NULL,
 659         .apicid_to_node                 = es7000_apicid_to_node,
 660         .cpu_to_logical_apicid          = es7000_cpu_to_logical_apicid,
 661         .cpu_present_to_apicid          = es7000_cpu_present_to_apicid,
 662         .apicid_to_cpu_present          = es7000_apicid_to_cpu_present,
 663         .setup_portio_remap             = NULL,
 664         .check_phys_apicid_present      = es7000_check_phys_apicid_present,
 665         .enable_apic_mode               = es7000_enable_apic_mode,
 666         .phys_pkg_id                    = es7000_phys_pkg_id,
 667         .mps_oem_check                  = es7000_mps_oem_check_cluster,
 668
 669         .get_apic_id                    = es7000_get_apic_id,
 670         .set_apic_id                    = NULL,
 671         .apic_id_mask                   = 0xFF << 24,
 672
 673         .cpu_mask_to_apicid             = es7000_cpu_mask_to_apicid,
 674         .cpu_mask_to_apicid_and         = es7000_cpu_mask_to_apicid_and,
 675
 676         .send_IPI_mask                  = es7000_send_IPI_mask,
 677         .send_IPI_mask_allbutself       = NULL,
 678         .send_IPI_allbutself            = es7000_send_IPI_allbutself,
 679         .send_IPI_all                   = es7000_send_IPI_all,
 680         .send_IPI_self                  = default_send_IPI_self,
 681
 682         .wakeup_secondary_cpu           = wakeup_secondary_cpu_via_mip,
 683
 684         .trampoline_phys_low            = 0x467,
 685         .trampoline_phys_high           = 0x469,
 686
 687         .wait_for_init_deassert         = NULL,
 688
 689         /* Nothing to do for most platforms, since cleared by the INIT cycle: */
 690         .smp_callin_clear_local_apic    = NULL,
 691         .inquire_remote_apic            = default_inquire_remote_apic,
 692
 693         .read                           = native_apic_mem_read,
 694         .write                          = native_apic_mem_write,
 695         .icr_read                       = native_apic_icr_read,
 696         .icr_write                      = native_apic_icr_write,
 697         .wait_icr_idle                  = native_apic_wait_icr_idle,
 698         .safe_wait_icr_idle             = native_safe_apic_wait_icr_idle,
 699 };
 700
 701 struct apic __refdata apic_es7000 = {
 702
 703         .name                           = "es7000",
 704         .probe                          = probe_es7000,
 705         .acpi_madt_oem_check            = es7000_acpi_madt_oem_check,
 706         .apic_id_registered             = es7000_apic_id_registered,
 707
 708         .irq_delivery_mode              = dest_Fixed,
 709         /* phys delivery to target CPUs: */
 710         .irq_dest_mode                  = 0,
 711
 712         .target_cpus                    = es7000_target_cpus,
 713         .disable_esr                    = 1,
 714         .dest_logical                   = 0,
 715         .check_apicid_used              = es7000_check_apicid_used,
 716         .check_apicid_present           = es7000_check_apicid_present,
 717
 718         .vector_allocation_domain       = es7000_vector_allocation_domain,
 719         .init_apic_ldr                  = es7000_init_apic_ldr,
 720
 721         .ioapic_phys_id_map             = es7000_ioapic_phys_id_map,
 722         .setup_apic_routing             = es7000_setup_apic_routing,
 723         .multi_timer_check              = NULL,
 724         .apicid_to_node                 = es7000_apicid_to_node,
 725         .cpu_to_logical_apicid          = es7000_cpu_to_logical_apicid,
 726         .cpu_present_to_apicid          = es7000_cpu_present_to_apicid,
 727         .apicid_to_cpu_present          = es7000_apicid_to_cpu_present,
 728         .setup_portio_remap             = NULL,
 729         .check_phys_apicid_present      = es7000_check_phys_apicid_present,
 730         .enable_apic_mode               = es7000_enable_apic_mode,
 731         .phys_pkg_id                    = es7000_phys_pkg_id,
 732         .mps_oem_check                  = es7000_mps_oem_check,
 733
 734         .get_apic_id                    = es7000_get_apic_id,
 735         .set_apic_id                    = NULL,
 736         .apic_id_mask                   = 0xFF << 24,
 737
 738         .cpu_mask_to_apicid             = es7000_cpu_mask_to_apicid,
 739         .cpu_mask_to_apicid_and         = es7000_cpu_mask_to_apicid_and,
 740
 741         .send_IPI_mask                  = es7000_send_IPI_mask,
 742         .send_IPI_mask_allbutself       = NULL,
 743         .send_IPI_allbutself            = es7000_send_IPI_allbutself,
 744         .send_IPI_all                   = es7000_send_IPI_all,
 745         .send_IPI_self                  = default_send_IPI_self,
 746
 747         .trampoline_phys_low            = 0x467,
 748         .trampoline_phys_high           = 0x469,
 749
 750         .wait_for_init_deassert         = es7000_wait_for_init_deassert,
 751
 752         /* Nothing to do for most platforms, since cleared by the INIT cycle: */
 753         .smp_callin_clear_local_apic    = NULL,
 754         .inquire_remote_apic            = default_inquire_remote_apic,
 755
 756         .read                           = native_apic_mem_read,
 757         .write                          = native_apic_mem_write,
 758         .icr_read                       = native_apic_icr_read,
 759         .icr_write                      = native_apic_icr_write,
 760         .wait_icr_idle                  = native_apic_wait_icr_idle,
 761         .safe_wait_icr_idle             = native_safe_apic_wait_icr_idle,
 762 };