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   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
 135 es7000_rename_gsi(int ioapic, int gsi)
 136 {
 137         if (es7000_plat == ES7000_ZORRO)
 138                 return gsi;
 139
 140         if (!base) {
 141                 int i;
 142                 for (i = 0; i < nr_ioapics; i++)
 143                         base += nr_ioapic_registers[i];
 144         }
 145
 146         if (!ioapic && (gsi < 16))
 147                 gsi += base;
 148
 149         return gsi;
 150 }
 151
 152 static int __cpuinit wakeup_secondary_cpu_via_mip(int cpu, unsigned long eip)
 153 {
 154         unsigned long vect = 0, psaival = 0;
 155
 156         if (psai == NULL)
 157                 return -1;
 158
 159         vect = ((unsigned long)__pa(eip)/0x1000) << 16;
 160         psaival = (0x1000000 | vect | cpu);
 161
 162         while (*psai & 0x1000000)
 163                 ;
 164
 165         *psai = psaival;
 166
 167         return 0;
 168 }
 169
 170 static int es7000_apic_is_cluster(void)
 171 {
 172         /* MPENTIUMIII */
 173         if (boot_cpu_data.x86 == 6 &&
 174             (boot_cpu_data.x86_model >= 7 && boot_cpu_data.x86_model <= 11))
 175                 return 1;
 176
 177         return 0;
 178 }
 179
 180 static void setup_unisys(void)
 181 {
 182         /*
 183          * Determine the generation of the ES7000 currently running.
 184          *
 185          * es7000_plat = 1 if the machine is a 5xx ES7000 box
 186          * es7000_plat = 2 if the machine is a x86_64 ES7000 box
 187          *
 188          */
 189         if (!(boot_cpu_data.x86 <= 15 && boot_cpu_data.x86_model <= 2))
 190                 es7000_plat = ES7000_ZORRO;
 191         else
 192                 es7000_plat = ES7000_CLASSIC;
 193         ioapic_renumber_irq = es7000_rename_gsi;
 194 }
 195
 196 /*
 197  * Parse the OEM Table:
 198  */
 199 static int parse_unisys_oem(char *oemptr)
 200 {
 201         int                     i;
 202         int                     success = 0;
 203         unsigned char           type, size;
 204         unsigned long           val;
 205         char                    *tp = NULL;
 206         struct psai             *psaip = NULL;
 207         struct mip_reg_info     *mi;
 208         struct mip_reg          *host, *mip;
 209
 210         tp = oemptr;
 211
 212         tp += 8;
 213
 214         for (i = 0; i <= 6; i++) {
 215                 type = *tp++;
 216                 size = *tp++;
 217                 tp -= 2;
 218                 switch (type) {
 219                 case MIP_REG:
 220                         mi = (struct mip_reg_info *)tp;
 221                         val = MIP_RD_LO(mi->host_reg);
 222                         host_addr = val;
 223                         host = (struct mip_reg *)val;
 224                         host_reg = __va(host);
 225                         val = MIP_RD_LO(mi->mip_reg);
 226                         mip_port = MIP_PORT(mi->mip_info);
 227                         mip_addr = val;
 228                         mip = (struct mip_reg *)val;
 229                         mip_reg = __va(mip);
 230                         pr_debug("host_reg = 0x%lx\n",
 231                                  (unsigned long)host_reg);
 232                         pr_debug("mip_reg = 0x%lx\n",
 233                                  (unsigned long)mip_reg);
 234                         success++;
 235                         break;
 236                 case MIP_PSAI_REG:
 237                         psaip = (struct psai *)tp;
 238                         if (tp != NULL) {
 239                                 if (psaip->addr)
 240                                         psai = __va(psaip->addr);
 241                                 else
 242                                         psai = NULL;
 243                                 success++;
 244                         }
 245                         break;
 246                 default:
 247                         break;
 248                 }
 249                 tp += size;
 250         }
 251
 252         if (success < 2)
 253                 es7000_plat = NON_UNISYS;
 254         else
 255                 setup_unisys();
 256
 257         return es7000_plat;
 258 }
 259
 260 #ifdef CONFIG_ACPI
 261 static int __init find_unisys_acpi_oem_table(unsigned long *oem_addr)
 262 {
 263         struct acpi_table_header *header = NULL;
 264         struct es7000_oem_table *table;
 265         acpi_size tbl_size;
 266         acpi_status ret;
 267         int i = 0;
 268
 269         for (;;) {
 270                 ret = acpi_get_table_with_size("OEM1", i++, &header, &tbl_size);
 271                 if (!ACPI_SUCCESS(ret))
 272                         return -1;
 273
 274                 if (!memcmp((char *) &header->oem_id, "UNISYS", 6))
 275                         break;
 276
 277                 early_acpi_os_unmap_memory(header, tbl_size);
 278         }
 279
 280         table = (void *)header;
 281
 282         oem_addrX       = table->OEMTableAddr;
 283         oem_size        = table->OEMTableSize;
 284
 285         early_acpi_os_unmap_memory(header, tbl_size);
 286
 287         *oem_addr       = (unsigned long)__acpi_map_table(oem_addrX, oem_size);
 288
 289         return 0;
 290 }
 291
 292 static void __init unmap_unisys_acpi_oem_table(unsigned long oem_addr)
 293 {
 294         if (!oem_addr)
 295                 return;
 296
 297         __acpi_unmap_table((char *)oem_addr, oem_size);
 298 }
 299
 300 static int es7000_check_dsdt(void)
 301 {
 302         struct acpi_table_header header;
 303
 304         if (ACPI_SUCCESS(acpi_get_table_header(ACPI_SIG_DSDT, 0, &header)) &&
 305             !strncmp(header.oem_id, "UNISYS", 6))
 306                 return 1;
 307         return 0;
 308 }
 309
 310 static int es7000_acpi_ret;
 311
 312 /* Hook from generic ACPI tables.c */
 313 static int __init es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 314 {
 315         unsigned long oem_addr = 0;
 316         int check_dsdt;
 317         int ret = 0;
 318
 319         /* check dsdt at first to avoid clear fix_map for oem_addr */
 320         check_dsdt = es7000_check_dsdt();
 321
 322         if (!find_unisys_acpi_oem_table(&oem_addr)) {
 323                 if (check_dsdt) {
 324                         ret = parse_unisys_oem((char *)oem_addr);
 325                 } else {
 326                         setup_unisys();
 327                         ret = 1;
 328                 }
 329                 /*
 330                  * we need to unmap it
 331                  */
 332                 unmap_unisys_acpi_oem_table(oem_addr);
 333         }
 334
 335         es7000_acpi_ret = ret;
 336
 337         return ret && !es7000_apic_is_cluster();
 338 }
 339
 340 static int es7000_acpi_madt_oem_check_cluster(char *oem_id, char *oem_table_id)
 341 {
 342         int ret = es7000_acpi_ret;
 343
 344         return ret && es7000_apic_is_cluster();
 345 }
 346
 347 #else /* !CONFIG_ACPI: */
 348 static int es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 349 {
 350         return 0;
 351 }
 352
 353 static int es7000_acpi_madt_oem_check_cluster(char *oem_id, char *oem_table_id)
 354 {
 355         return 0;
 356 }
 357 #endif /* !CONFIG_ACPI */
 358
 359 static void es7000_spin(int n)
 360 {
 361         int i = 0;
 362
 363         while (i++ < n)
 364                 rep_nop();
 365 }
 366
 367 static int es7000_mip_write(struct mip_reg *mip_reg)
 368 {
 369         int status = 0;
 370         int spin;
 371
 372         spin = MIP_SPIN;
 373         while ((host_reg->off_0x38 & MIP_VALID) != 0) {
 374                 if (--spin <= 0) {
 375                         WARN(1, "Timeout waiting for Host Valid Flag\n");
 376                         return -1;
 377                 }
 378                 es7000_spin(MIP_SPIN);
 379         }
 380
 381         memcpy(host_reg, mip_reg, sizeof(struct mip_reg));
 382         outb(1, mip_port);
 383
 384         spin = MIP_SPIN;
 385
 386         while ((mip_reg->off_0x38 & MIP_VALID) == 0) {
 387                 if (--spin <= 0) {
 388                         WARN(1, "Timeout waiting for MIP Valid Flag\n");
 389                         return -1;
 390                 }
 391                 es7000_spin(MIP_SPIN);
 392         }
 393
 394         status = (mip_reg->off_0x00 & 0xffff0000000000ULL) >> 48;
 395         mip_reg->off_0x38 &= ~MIP_VALID;
 396
 397         return status;
 398 }
 399
 400 static void es7000_enable_apic_mode(void)
 401 {
 402         struct mip_reg es7000_mip_reg;
 403         int mip_status;
 404
 405         if (!es7000_plat)
 406                 return;
 407
 408         pr_info("Enabling APIC mode.\n");
 409         memset(&es7000_mip_reg, 0, sizeof(struct mip_reg));
 410         es7000_mip_reg.off_0x00 = MIP_SW_APIC;
 411         es7000_mip_reg.off_0x38 = MIP_VALID;
 412
 413         while ((mip_status = es7000_mip_write(&es7000_mip_reg)) != 0)
 414                 WARN(1, "Command failed, status = %x\n", mip_status);
 415 }
 416
 417 static void es7000_vector_allocation_domain(int cpu, struct cpumask *retmask)
 418 {
 419         /* Careful. Some cpus do not strictly honor the set of cpus
 420          * specified in the interrupt destination when using lowest
 421          * priority interrupt delivery mode.
 422          *
 423          * In particular there was a hyperthreading cpu observed to
 424          * deliver interrupts to the wrong hyperthread when only one
 425          * hyperthread was specified in the interrupt desitination.
 426          */
 427         cpumask_clear(retmask);
 428         cpumask_bits(retmask)[0] = APIC_ALL_CPUS;
 429 }
 430
 431
 432 static void es7000_wait_for_init_deassert(atomic_t *deassert)
 433 {
 434         while (!atomic_read(deassert))
 435                 cpu_relax();
 436 }
 437
 438 static unsigned int es7000_get_apic_id(unsigned long x)
 439 {
 440         return (x >> 24) & 0xFF;
 441 }
 442
 443 static void es7000_send_IPI_mask(const struct cpumask *mask, int vector)
 444 {
 445         default_send_IPI_mask_sequence_phys(mask, vector);
 446 }
 447
 448 static void es7000_send_IPI_allbutself(int vector)
 449 {
 450         default_send_IPI_mask_allbutself_phys(cpu_online_mask, vector);
 451 }
 452
 453 static void es7000_send_IPI_all(int vector)
 454 {
 455         es7000_send_IPI_mask(cpu_online_mask, vector);
 456 }
 457
 458 static int es7000_apic_id_registered(void)
 459 {
 460         return 1;
 461 }
 462
 463 static const struct cpumask *target_cpus_cluster(void)
 464 {
 465         return cpu_all_mask;
 466 }
 467
 468 static const struct cpumask *es7000_target_cpus(void)
 469 {
 470         return cpumask_of(smp_processor_id());
 471 }
 472
 473 static unsigned long es7000_check_apicid_used(physid_mask_t *map, int apicid)
 474 {
 475         return 0;
 476 }
 477
 478 static unsigned long es7000_check_apicid_present(int bit)
 479 {
 480         return physid_isset(bit, phys_cpu_present_map);
 481 }
 482
 483 static unsigned long calculate_ldr(int cpu)
 484 {
 485         unsigned long id = per_cpu(x86_bios_cpu_apicid, cpu);
 486
 487         return SET_APIC_LOGICAL_ID(id);
 488 }
 489
 490 /*
 491  * Set up the logical destination ID.
 492  *
 493  * Intel recommends to set DFR, LdR and TPR before enabling
 494  * an APIC.  See e.g. "AP-388 82489DX User's Manual" (Intel
 495  * document number 292116).  So here it goes...
 496  */
 497 static void es7000_init_apic_ldr_cluster(void)
 498 {
 499         unsigned long val;
 500         int cpu = smp_processor_id();
 501
 502         apic_write(APIC_DFR, APIC_DFR_CLUSTER);
 503         val = calculate_ldr(cpu);
 504         apic_write(APIC_LDR, val);
 505 }
 506
 507 static void es7000_init_apic_ldr(void)
 508 {
 509         unsigned long val;
 510         int cpu = smp_processor_id();
 511
 512         apic_write(APIC_DFR, APIC_DFR_FLAT);
 513         val = calculate_ldr(cpu);
 514         apic_write(APIC_LDR, val);
 515 }
 516
 517 static void es7000_setup_apic_routing(void)
 518 {
 519         int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id());
 520
 521         pr_info("Enabling APIC mode:  %s. Using %d I/O APICs, target cpus %lx\n",
 522                 (apic_version[apic] == 0x14) ?
 523                         "Physical Cluster" : "Logical Cluster",
 524                 nr_ioapics, cpumask_bits(es7000_target_cpus())[0]);
 525 }
 526
 527 static int es7000_apicid_to_node(int logical_apicid)
 528 {
 529         return 0;
 530 }
 531
 532
 533 static int es7000_cpu_present_to_apicid(int mps_cpu)
 534 {
 535         if (!mps_cpu)
 536                 return boot_cpu_physical_apicid;
 537         else if (mps_cpu < nr_cpu_ids)
 538                 return per_cpu(x86_bios_cpu_apicid, mps_cpu);
 539         else
 540                 return BAD_APICID;
 541 }
 542
 543 static int cpu_id;
 544
 545 static void es7000_apicid_to_cpu_present(int phys_apicid, physid_mask_t *retmap)
 546 {
 547         physid_set_mask_of_physid(cpu_id, retmap);
 548         ++cpu_id;
 549 }
 550
 551 /* Mapping from cpu number to logical apicid */
 552 static int es7000_cpu_to_logical_apicid(int cpu)
 553 {
 554 #ifdef CONFIG_SMP
 555         if (cpu >= nr_cpu_ids)
 556                 return BAD_APICID;
 557         return cpu_2_logical_apicid[cpu];
 558 #else
 559         return logical_smp_processor_id();
 560 #endif
 561 }
 562
 563 static void es7000_ioapic_phys_id_map(physid_mask_t *phys_map, physid_mask_t *retmap)
 564 {
 565         /* For clustered we don't have a good way to do this yet - hack */
 566         physids_promote(0xFFL, retmap);
 567 }
 568
 569 static int es7000_check_phys_apicid_present(int cpu_physical_apicid)
 570 {
 571         boot_cpu_physical_apicid = read_apic_id();
 572         return 1;
 573 }
 574
 575 static unsigned int es7000_cpu_mask_to_apicid(const struct cpumask *cpumask)
 576 {
 577         unsigned int round = 0;
 578         int cpu, uninitialized_var(apicid);
 579
 580         /*
 581          * The cpus in the mask must all be on the apic cluster.
 582          */
 583         for_each_cpu(cpu, cpumask) {
 584                 int new_apicid = es7000_cpu_to_logical_apicid(cpu);
 585
 586                 if (round && APIC_CLUSTER(apicid) != APIC_CLUSTER(new_apicid)) {
 587                         WARN(1, "Not a valid mask!");
 588
 589                         return BAD_APICID;
 590                 }
 591                 apicid = new_apicid;
 592                 round++;
 593         }
 594         return apicid;
 595 }
 596
 597 static unsigned int
 598 es7000_cpu_mask_to_apicid_and(const struct cpumask *inmask,
 599                               const struct cpumask *andmask)
 600 {
 601         int apicid = es7000_cpu_to_logical_apicid(0);
 602         cpumask_var_t cpumask;
 603
 604         if (!alloc_cpumask_var(&cpumask, GFP_ATOMIC))
 605                 return apicid;
 606
 607         cpumask_and(cpumask, inmask, andmask);
 608         cpumask_and(cpumask, cpumask, cpu_online_mask);
 609         apicid = es7000_cpu_mask_to_apicid(cpumask);
 610
 611         free_cpumask_var(cpumask);
 612
 613         return apicid;
 614 }
 615
 616 static int es7000_phys_pkg_id(int cpuid_apic, int index_msb)
 617 {
 618         return cpuid_apic >> index_msb;
 619 }
 620
 621 static int probe_es7000(void)
 622 {
 623         /* probed later in mptable/ACPI hooks */
 624         return 0;
 625 }
 626
 627 static int es7000_mps_ret;
 628 static int es7000_mps_oem_check(struct mpc_table *mpc, char *oem,
 629                 char *productid)
 630 {
 631         int ret = 0;
 632
 633         if (mpc->oemptr) {
 634                 struct mpc_oemtable *oem_table =
 635                         (struct mpc_oemtable *)mpc->oemptr;
 636
 637                 if (!strncmp(oem, "UNISYS", 6))
 638                         ret = parse_unisys_oem((char *)oem_table);
 639         }
 640
 641         es7000_mps_ret = ret;
 642
 643         return ret && !es7000_apic_is_cluster();
 644 }
 645
 646 static int es7000_mps_oem_check_cluster(struct mpc_table *mpc, char *oem,
 647                 char *productid)
 648 {
 649         int ret = es7000_mps_ret;
 650
 651         return ret && es7000_apic_is_cluster();
 652 }
 653
 654 /* We've been warned by a false positive warning.Use __refdata to keep calm. */
 655 struct apic __refdata apic_es7000_cluster = {
 656
 657         .name                           = "es7000",
 658         .probe                          = probe_es7000,
 659         .acpi_madt_oem_check            = es7000_acpi_madt_oem_check_cluster,
 660         .apic_id_registered             = es7000_apic_id_registered,
 661
 662         .irq_delivery_mode              = dest_LowestPrio,
 663         /* logical delivery broadcast to all procs: */
 664         .irq_dest_mode                  = 1,
 665
 666         .target_cpus                    = target_cpus_cluster,
 667         .disable_esr                    = 1,
 668         .dest_logical                   = 0,
 669         .check_apicid_used              = es7000_check_apicid_used,
 670         .check_apicid_present           = es7000_check_apicid_present,
 671
 672         .vector_allocation_domain       = es7000_vector_allocation_domain,
 673         .init_apic_ldr                  = es7000_init_apic_ldr_cluster,
 674
 675         .ioapic_phys_id_map             = es7000_ioapic_phys_id_map,
 676         .setup_apic_routing             = es7000_setup_apic_routing,
 677         .multi_timer_check              = NULL,
 678         .apicid_to_node                 = es7000_apicid_to_node,
 679         .cpu_to_logical_apicid          = es7000_cpu_to_logical_apicid,
 680         .cpu_present_to_apicid          = es7000_cpu_present_to_apicid,
 681         .apicid_to_cpu_present          = es7000_apicid_to_cpu_present,
 682         .setup_portio_remap             = NULL,
 683         .check_phys_apicid_present      = es7000_check_phys_apicid_present,
 684         .enable_apic_mode               = es7000_enable_apic_mode,
 685         .phys_pkg_id                    = es7000_phys_pkg_id,
 686         .mps_oem_check                  = es7000_mps_oem_check_cluster,
 687
 688         .get_apic_id                    = es7000_get_apic_id,
 689         .set_apic_id                    = NULL,
 690         .apic_id_mask                   = 0xFF << 24,
 691
 692         .cpu_mask_to_apicid             = es7000_cpu_mask_to_apicid,
 693         .cpu_mask_to_apicid_and         = es7000_cpu_mask_to_apicid_and,
 694
 695         .send_IPI_mask                  = es7000_send_IPI_mask,
 696         .send_IPI_mask_allbutself       = NULL,
 697         .send_IPI_allbutself            = es7000_send_IPI_allbutself,
 698         .send_IPI_all                   = es7000_send_IPI_all,
 699         .send_IPI_self                  = default_send_IPI_self,
 700
 701         .wakeup_secondary_cpu           = wakeup_secondary_cpu_via_mip,
 702
 703         .trampoline_phys_low            = 0x467,
 704         .trampoline_phys_high           = 0x469,
 705
 706         .wait_for_init_deassert         = NULL,
 707
 708         /* Nothing to do for most platforms, since cleared by the INIT cycle: */
 709         .smp_callin_clear_local_apic    = NULL,
 710         .inquire_remote_apic            = default_inquire_remote_apic,
 711
 712         .read                           = native_apic_mem_read,
 713         .write                          = native_apic_mem_write,
 714         .icr_read                       = native_apic_icr_read,
 715         .icr_write                      = native_apic_icr_write,
 716         .wait_icr_idle                  = native_apic_wait_icr_idle,
 717         .safe_wait_icr_idle             = native_safe_apic_wait_icr_idle,
 718 };
 719
 720 struct apic __refdata apic_es7000 = {
 721
 722         .name                           = "es7000",
 723         .probe                          = probe_es7000,
 724         .acpi_madt_oem_check            = es7000_acpi_madt_oem_check,
 725         .apic_id_registered             = es7000_apic_id_registered,
 726
 727         .irq_delivery_mode              = dest_Fixed,
 728         /* phys delivery to target CPUs: */
 729         .irq_dest_mode                  = 0,
 730
 731         .target_cpus                    = es7000_target_cpus,
 732         .disable_esr                    = 1,
 733         .dest_logical                   = 0,
 734         .check_apicid_used              = es7000_check_apicid_used,
 735         .check_apicid_present           = es7000_check_apicid_present,
 736
 737         .vector_allocation_domain       = es7000_vector_allocation_domain,
 738         .init_apic_ldr                  = es7000_init_apic_ldr,
 739
 740         .ioapic_phys_id_map             = es7000_ioapic_phys_id_map,
 741         .setup_apic_routing             = es7000_setup_apic_routing,
 742         .multi_timer_check              = NULL,
 743         .apicid_to_node                 = es7000_apicid_to_node,
 744         .cpu_to_logical_apicid          = es7000_cpu_to_logical_apicid,
 745         .cpu_present_to_apicid          = es7000_cpu_present_to_apicid,
 746         .apicid_to_cpu_present          = es7000_apicid_to_cpu_present,
 747         .setup_portio_remap             = NULL,
 748         .check_phys_apicid_present      = es7000_check_phys_apicid_present,
 749         .enable_apic_mode               = es7000_enable_apic_mode,
 750         .phys_pkg_id                    = es7000_phys_pkg_id,
 751         .mps_oem_check                  = es7000_mps_oem_check,
 752
 753         .get_apic_id                    = es7000_get_apic_id,
 754         .set_apic_id                    = NULL,
 755         .apic_id_mask                   = 0xFF << 24,
 756
 757         .cpu_mask_to_apicid             = es7000_cpu_mask_to_apicid,
 758         .cpu_mask_to_apicid_and         = es7000_cpu_mask_to_apicid_and,
 759
 760         .send_IPI_mask                  = es7000_send_IPI_mask,
 761         .send_IPI_mask_allbutself       = NULL,
 762         .send_IPI_allbutself            = es7000_send_IPI_allbutself,
 763         .send_IPI_all                   = es7000_send_IPI_all,
 764         .send_IPI_self                  = default_send_IPI_self,
 765
 766         .trampoline_phys_low            = 0x467,
 767         .trampoline_phys_high           = 0x469,
 768
 769         .wait_for_init_deassert         = es7000_wait_for_init_deassert,
 770
 771         /* Nothing to do for most platforms, since cleared by the INIT cycle: */
 772         .smp_callin_clear_local_apic    = NULL,
 773         .inquire_remote_apic            = default_inquire_remote_apic,
 774
 775         .read                           = native_apic_mem_read,
 776         .write                          = native_apic_mem_write,
 777         .icr_read                       = native_apic_icr_read,
 778         .icr_write                      = native_apic_icr_write,
 779         .wait_icr_idle                  = native_apic_wait_icr_idle,
 780         .safe_wait_icr_idle             = native_safe_apic_wait_icr_idle,
 781 };