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 __cpuinit 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 es7000_apic_is_cluster(void)
 167 {
 168         /* MPENTIUMIII */
 169         if (boot_cpu_data.x86 == 6 &&
 170             (boot_cpu_data.x86_model >= 7 && boot_cpu_data.x86_model <= 11))
 171                 return 1;
 172
 173         return 0;
 174 }
 175
 176 static void setup_unisys(void)
 177 {
 178         /*
 179          * Determine the generation of the ES7000 currently running.
 180          *
 181          * es7000_plat = 1 if the machine is a 5xx ES7000 box
 182          * es7000_plat = 2 if the machine is a x86_64 ES7000 box
 183          *
 184          */
 185         if (!(boot_cpu_data.x86 <= 15 && boot_cpu_data.x86_model <= 2))
 186                 es7000_plat = ES7000_ZORRO;
 187         else
 188                 es7000_plat = ES7000_CLASSIC;
 189         ioapic_renumber_irq = es7000_rename_gsi;
 190 }
 191
 192 /*
 193  * Parse the OEM Table:
 194  */
 195 static int parse_unisys_oem(char *oemptr)
 196 {
 197         int                     i;
 198         int                     success = 0;
 199         unsigned char           type, size;
 200         unsigned long           val;
 201         char                    *tp = NULL;
 202         struct psai             *psaip = NULL;
 203         struct mip_reg_info     *mi;
 204         struct mip_reg          *host, *mip;
 205
 206         tp = oemptr;
 207
 208         tp += 8;
 209
 210         for (i = 0; i <= 6; i++) {
 211                 type = *tp++;
 212                 size = *tp++;
 213                 tp -= 2;
 214                 switch (type) {
 215                 case MIP_REG:
 216                         mi = (struct mip_reg_info *)tp;
 217                         val = MIP_RD_LO(mi->host_reg);
 218                         host_addr = val;
 219                         host = (struct mip_reg *)val;
 220                         host_reg = __va(host);
 221                         val = MIP_RD_LO(mi->mip_reg);
 222                         mip_port = MIP_PORT(mi->mip_info);
 223                         mip_addr = val;
 224                         mip = (struct mip_reg *)val;
 225                         mip_reg = __va(mip);
 226                         pr_debug("es7000_mipcfg: host_reg = 0x%lx \n",
 227                                  (unsigned long)host_reg);
 228                         pr_debug("es7000_mipcfg: mip_reg = 0x%lx \n",
 229                                  (unsigned long)mip_reg);
 230                         success++;
 231                         break;
 232                 case MIP_PSAI_REG:
 233                         psaip = (struct psai *)tp;
 234                         if (tp != NULL) {
 235                                 if (psaip->addr)
 236                                         psai = __va(psaip->addr);
 237                                 else
 238                                         psai = NULL;
 239                                 success++;
 240                         }
 241                         break;
 242                 default:
 243                         break;
 244                 }
 245                 tp += size;
 246         }
 247
 248         if (success < 2)
 249                 es7000_plat = NON_UNISYS;
 250         else
 251                 setup_unisys();
 252
 253         return es7000_plat;
 254 }
 255
 256 #ifdef CONFIG_ACPI
 257 static int __init find_unisys_acpi_oem_table(unsigned long *oem_addr)
 258 {
 259         struct acpi_table_header *header = NULL;
 260         struct es7000_oem_table *table;
 261         acpi_size tbl_size;
 262         acpi_status ret;
 263         int i = 0;
 264
 265         for (;;) {
 266                 ret = acpi_get_table_with_size("OEM1", i++, &header, &tbl_size);
 267                 if (!ACPI_SUCCESS(ret))
 268                         return -1;
 269
 270                 if (!memcmp((char *) &header->oem_id, "UNISYS", 6))
 271                         break;
 272
 273                 early_acpi_os_unmap_memory(header, tbl_size);
 274         }
 275
 276         table = (void *)header;
 277
 278         oem_addrX       = table->OEMTableAddr;
 279         oem_size        = table->OEMTableSize;
 280
 281         early_acpi_os_unmap_memory(header, tbl_size);
 282
 283         *oem_addr       = (unsigned long)__acpi_map_table(oem_addrX, oem_size);
 284
 285         return 0;
 286 }
 287
 288 static void __init unmap_unisys_acpi_oem_table(unsigned long oem_addr)
 289 {
 290         if (!oem_addr)
 291                 return;
 292
 293         __acpi_unmap_table((char *)oem_addr, oem_size);
 294 }
 295
 296 static int es7000_check_dsdt(void)
 297 {
 298         struct acpi_table_header header;
 299
 300         if (ACPI_SUCCESS(acpi_get_table_header(ACPI_SIG_DSDT, 0, &header)) &&
 301             !strncmp(header.oem_id, "UNISYS", 6))
 302                 return 1;
 303         return 0;
 304 }
 305
 306 static int es7000_acpi_ret;
 307
 308 /* Hook from generic ACPI tables.c */
 309 static int __init es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 310 {
 311         unsigned long oem_addr = 0;
 312         int check_dsdt;
 313         int ret = 0;
 314
 315         /* check dsdt at first to avoid clear fix_map for oem_addr */
 316         check_dsdt = es7000_check_dsdt();
 317
 318         if (!find_unisys_acpi_oem_table(&oem_addr)) {
 319                 if (check_dsdt) {
 320                         ret = parse_unisys_oem((char *)oem_addr);
 321                 } else {
 322                         setup_unisys();
 323                         ret = 1;
 324                 }
 325                 /*
 326                  * we need to unmap it
 327                  */
 328                 unmap_unisys_acpi_oem_table(oem_addr);
 329         }
 330
 331         es7000_acpi_ret = ret;
 332
 333         return ret && !es7000_apic_is_cluster();
 334 }
 335
 336 static int es7000_acpi_madt_oem_check_cluster(char *oem_id, char *oem_table_id)
 337 {
 338         int ret = es7000_acpi_ret;
 339
 340         return ret && es7000_apic_is_cluster();
 341 }
 342
 343 #else /* !CONFIG_ACPI: */
 344 static int es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 345 {
 346         return 0;
 347 }
 348
 349 static int es7000_acpi_madt_oem_check_cluster(char *oem_id, char *oem_table_id)
 350 {
 351         return 0;
 352 }
 353 #endif /* !CONFIG_ACPI */
 354
 355 static void es7000_spin(int n)
 356 {
 357         int i = 0;
 358
 359         while (i++ < n)
 360                 rep_nop();
 361 }
 362
 363 static int es7000_mip_write(struct mip_reg *mip_reg)
 364 {
 365         int status = 0;
 366         int spin;
 367
 368         spin = MIP_SPIN;
 369         while ((host_reg->off_0x38 & MIP_VALID) != 0) {
 370                 if (--spin <= 0) {
 371                         WARN(1, "Timeout waiting for Host Valid Flag\n");
 372                         return -1;
 373                 }
 374                 es7000_spin(MIP_SPIN);
 375         }
 376
 377         memcpy(host_reg, mip_reg, sizeof(struct mip_reg));
 378         outb(1, mip_port);
 379
 380         spin = MIP_SPIN;
 381
 382         while ((mip_reg->off_0x38 & MIP_VALID) == 0) {
 383                 if (--spin <= 0) {
 384                         WARN(1, "Timeout waiting for MIP Valid Flag\n");
 385                         return -1;
 386                 }
 387                 es7000_spin(MIP_SPIN);
 388         }
 389
 390         status = (mip_reg->off_0x00 & 0xffff0000000000ULL) >> 48;
 391         mip_reg->off_0x38 &= ~MIP_VALID;
 392
 393         return status;
 394 }
 395
 396 static void es7000_enable_apic_mode(void)
 397 {
 398         struct mip_reg es7000_mip_reg;
 399         int mip_status;
 400
 401         if (!es7000_plat)
 402                 return;
 403
 404         printk(KERN_INFO "ES7000: Enabling APIC mode.\n");
 405         memset(&es7000_mip_reg, 0, sizeof(struct mip_reg));
 406         es7000_mip_reg.off_0x00 = MIP_SW_APIC;
 407         es7000_mip_reg.off_0x38 = MIP_VALID;
 408
 409         while ((mip_status = es7000_mip_write(&es7000_mip_reg)) != 0)
 410                 WARN(1, "Command failed, status = %x\n", mip_status);
 411 }
 412
 413 static void es7000_vector_allocation_domain(int cpu, struct cpumask *retmask)
 414 {
 415         /* Careful. Some cpus do not strictly honor the set of cpus
 416          * specified in the interrupt destination when using lowest
 417          * priority interrupt delivery mode.
 418          *
 419          * In particular there was a hyperthreading cpu observed to
 420          * deliver interrupts to the wrong hyperthread when only one
 421          * hyperthread was specified in the interrupt desitination.
 422          */
 423         cpumask_clear(retmask);
 424         cpumask_bits(retmask)[0] = APIC_ALL_CPUS;
 425 }
 426
 427
 428 static void es7000_wait_for_init_deassert(atomic_t *deassert)
 429 {
 430         while (!atomic_read(deassert))
 431                 cpu_relax();
 432 }
 433
 434 static unsigned int es7000_get_apic_id(unsigned long x)
 435 {
 436         return (x >> 24) & 0xFF;
 437 }
 438
 439 static void es7000_send_IPI_mask(const struct cpumask *mask, int vector)
 440 {
 441         default_send_IPI_mask_sequence_phys(mask, vector);
 442 }
 443
 444 static void es7000_send_IPI_allbutself(int vector)
 445 {
 446         default_send_IPI_mask_allbutself_phys(cpu_online_mask, vector);
 447 }
 448
 449 static void es7000_send_IPI_all(int vector)
 450 {
 451         es7000_send_IPI_mask(cpu_online_mask, vector);
 452 }
 453
 454 static int es7000_apic_id_registered(void)
 455 {
 456         return 1;
 457 }
 458
 459 static const struct cpumask *target_cpus_cluster(void)
 460 {
 461         return cpu_all_mask;
 462 }
 463
 464 static const struct cpumask *es7000_target_cpus(void)
 465 {
 466         return cpumask_of(smp_processor_id());
 467 }
 468
 469 static unsigned long
 470 es7000_check_apicid_used(physid_mask_t bitmap, int apicid)
 471 {
 472         return 0;
 473 }
 474 static unsigned long es7000_check_apicid_present(int bit)
 475 {
 476         return physid_isset(bit, phys_cpu_present_map);
 477 }
 478
 479 static unsigned long calculate_ldr(int cpu)
 480 {
 481         unsigned long id = per_cpu(x86_bios_cpu_apicid, cpu);
 482
 483         return SET_APIC_LOGICAL_ID(id);
 484 }
 485
 486 /*
 487  * Set up the logical destination ID.
 488  *
 489  * Intel recommends to set DFR, LdR and TPR before enabling
 490  * an APIC.  See e.g. "AP-388 82489DX User's Manual" (Intel
 491  * document number 292116).  So here it goes...
 492  */
 493 static void es7000_init_apic_ldr_cluster(void)
 494 {
 495         unsigned long val;
 496         int cpu = smp_processor_id();
 497
 498         apic_write(APIC_DFR, APIC_DFR_CLUSTER);
 499         val = calculate_ldr(cpu);
 500         apic_write(APIC_LDR, val);
 501 }
 502
 503 static void es7000_init_apic_ldr(void)
 504 {
 505         unsigned long val;
 506         int cpu = smp_processor_id();
 507
 508         apic_write(APIC_DFR, APIC_DFR_FLAT);
 509         val = calculate_ldr(cpu);
 510         apic_write(APIC_LDR, val);
 511 }
 512
 513 static void es7000_setup_apic_routing(void)
 514 {
 515         int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id());
 516
 517         printk(KERN_INFO
 518           "Enabling APIC mode:  %s. Using %d I/O APICs, target cpus %lx\n",
 519                 (apic_version[apic] == 0x14) ?
 520                         "Physical Cluster" : "Logical Cluster",
 521                 nr_ioapics, cpumask_bits(es7000_target_cpus())[0]);
 522 }
 523
 524 static int es7000_apicid_to_node(int logical_apicid)
 525 {
 526         return 0;
 527 }
 528
 529
 530 static int es7000_cpu_present_to_apicid(int mps_cpu)
 531 {
 532         if (!mps_cpu)
 533                 return boot_cpu_physical_apicid;
 534         else if (mps_cpu < nr_cpu_ids)
 535                 return per_cpu(x86_bios_cpu_apicid, mps_cpu);
 536         else
 537                 return BAD_APICID;
 538 }
 539
 540 static int cpu_id;
 541
 542 static physid_mask_t es7000_apicid_to_cpu_present(int phys_apicid)
 543 {
 544         physid_mask_t mask;
 545
 546         mask = physid_mask_of_physid(cpu_id);
 547         ++cpu_id;
 548
 549         return mask;
 550 }
 551
 552 /* Mapping from cpu number to logical apicid */
 553 static int es7000_cpu_to_logical_apicid(int cpu)
 554 {
 555 #ifdef CONFIG_SMP
 556         if (cpu >= nr_cpu_ids)
 557                 return BAD_APICID;
 558         return cpu_2_logical_apicid[cpu];
 559 #else
 560         return logical_smp_processor_id();
 561 #endif
 562 }
 563
 564 static physid_mask_t es7000_ioapic_phys_id_map(physid_mask_t phys_map)
 565 {
 566         /* For clustered we don't have a good way to do this yet - hack */
 567         return physids_promote(0xff);
 568 }
 569
 570 static int es7000_check_phys_apicid_present(int cpu_physical_apicid)
 571 {
 572         boot_cpu_physical_apicid = read_apic_id();
 573         return 1;
 574 }
 575
 576 static unsigned int es7000_cpu_mask_to_apicid(const struct cpumask *cpumask)
 577 {
 578         unsigned int round = 0;
 579         int cpu, uninitialized_var(apicid);
 580
 581         /*
 582          * The cpus in the mask must all be on the apic cluster.
 583          */
 584         for_each_cpu(cpu, cpumask) {
 585                 int new_apicid = es7000_cpu_to_logical_apicid(cpu);
 586
 587                 if (round && APIC_CLUSTER(apicid) != APIC_CLUSTER(new_apicid)) {
 588                         WARN(1, "Not a valid mask!");
 589
 590                         return BAD_APICID;
 591                 }
 592                 apicid = new_apicid;
 593                 round++;
 594         }
 595         return apicid;
 596 }
 597
 598 static unsigned int
 599 es7000_cpu_mask_to_apicid_and(const struct cpumask *inmask,
 600                               const struct cpumask *andmask)
 601 {
 602         int apicid = es7000_cpu_to_logical_apicid(0);
 603         cpumask_var_t cpumask;
 604
 605         if (!alloc_cpumask_var(&cpumask, GFP_ATOMIC))
 606                 return apicid;
 607
 608         cpumask_and(cpumask, inmask, andmask);
 609         cpumask_and(cpumask, cpumask, cpu_online_mask);
 610         apicid = es7000_cpu_mask_to_apicid(cpumask);
 611
 612         free_cpumask_var(cpumask);
 613
 614         return apicid;
 615 }
 616
 617 static int es7000_phys_pkg_id(int cpuid_apic, int index_msb)
 618 {
 619         return cpuid_apic >> index_msb;
 620 }
 621
 622 static int probe_es7000(void)
 623 {
 624         /* probed later in mptable/ACPI hooks */
 625         return 0;
 626 }
 627
 628 static int es7000_mps_ret;
 629 static int es7000_mps_oem_check(struct mpc_table *mpc, char *oem,
 630                 char *productid)
 631 {
 632         int ret = 0;
 633
 634         if (mpc->oemptr) {
 635                 struct mpc_oemtable *oem_table =
 636                         (struct mpc_oemtable *)mpc->oemptr;
 637
 638                 if (!strncmp(oem, "UNISYS", 6))
 639                         ret = parse_unisys_oem((char *)oem_table);
 640         }
 641
 642         es7000_mps_ret = ret;
 643
 644         return ret && !es7000_apic_is_cluster();
 645 }
 646
 647 static int es7000_mps_oem_check_cluster(struct mpc_table *mpc, char *oem,
 648                 char *productid)
 649 {
 650         int ret = es7000_mps_ret;
 651
 652         return ret && es7000_apic_is_cluster();
 653 }
 654
 655 /* We've been warned by a false positive warning.Use __refdata to keep calm. */
 656 struct apic __refdata apic_es7000_cluster = {
 657
 658         .name                           = "es7000",
 659         .probe                          = probe_es7000,
 660         .acpi_madt_oem_check            = es7000_acpi_madt_oem_check_cluster,
 661         .apic_id_registered             = es7000_apic_id_registered,
 662
 663         .irq_delivery_mode              = dest_LowestPrio,
 664         /* logical delivery broadcast to all procs: */
 665         .irq_dest_mode                  = 1,
 666
 667         .target_cpus                    = target_cpus_cluster,
 668         .disable_esr                    = 1,
 669         .dest_logical                   = 0,
 670         .check_apicid_used              = es7000_check_apicid_used,
 671         .check_apicid_present           = es7000_check_apicid_present,
 672
 673         .vector_allocation_domain       = es7000_vector_allocation_domain,
 674         .init_apic_ldr                  = es7000_init_apic_ldr_cluster,
 675
 676         .ioapic_phys_id_map             = es7000_ioapic_phys_id_map,
 677         .setup_apic_routing             = es7000_setup_apic_routing,
 678         .multi_timer_check              = NULL,
 679         .apicid_to_node                 = es7000_apicid_to_node,
 680         .cpu_to_logical_apicid          = es7000_cpu_to_logical_apicid,
 681         .cpu_present_to_apicid          = es7000_cpu_present_to_apicid,
 682         .apicid_to_cpu_present          = es7000_apicid_to_cpu_present,
 683         .setup_portio_remap             = NULL,
 684         .check_phys_apicid_present      = es7000_check_phys_apicid_present,
 685         .enable_apic_mode               = es7000_enable_apic_mode,
 686         .phys_pkg_id                    = es7000_phys_pkg_id,
 687         .mps_oem_check                  = es7000_mps_oem_check_cluster,
 688
 689         .get_apic_id                    = es7000_get_apic_id,
 690         .set_apic_id                    = NULL,
 691         .apic_id_mask                   = 0xFF << 24,
 692
 693         .cpu_mask_to_apicid             = es7000_cpu_mask_to_apicid,
 694         .cpu_mask_to_apicid_and         = es7000_cpu_mask_to_apicid_and,
 695
 696         .send_IPI_mask                  = es7000_send_IPI_mask,
 697         .send_IPI_mask_allbutself       = NULL,
 698         .send_IPI_allbutself            = es7000_send_IPI_allbutself,
 699         .send_IPI_all                   = es7000_send_IPI_all,
 700         .send_IPI_self                  = default_send_IPI_self,
 701
 702         .wakeup_secondary_cpu           = wakeup_secondary_cpu_via_mip,
 703
 704         .trampoline_phys_low            = 0x467,
 705         .trampoline_phys_high           = 0x469,
 706
 707         .wait_for_init_deassert         = NULL,
 708
 709         /* Nothing to do for most platforms, since cleared by the INIT cycle: */
 710         .smp_callin_clear_local_apic    = NULL,
 711         .inquire_remote_apic            = default_inquire_remote_apic,
 712
 713         .read                           = native_apic_mem_read,
 714         .write                          = native_apic_mem_write,
 715         .icr_read                       = native_apic_icr_read,
 716         .icr_write                      = native_apic_icr_write,
 717         .wait_icr_idle                  = native_apic_wait_icr_idle,
 718         .safe_wait_icr_idle             = native_safe_apic_wait_icr_idle,
 719 };
 720
 721 struct apic __refdata apic_es7000 = {
 722
 723         .name                           = "es7000",
 724         .probe                          = probe_es7000,
 725         .acpi_madt_oem_check            = es7000_acpi_madt_oem_check,
 726         .apic_id_registered             = es7000_apic_id_registered,
 727
 728         .irq_delivery_mode              = dest_Fixed,
 729         /* phys delivery to target CPUs: */
 730         .irq_dest_mode                  = 0,
 731
 732         .target_cpus                    = es7000_target_cpus,
 733         .disable_esr                    = 1,
 734         .dest_logical                   = 0,
 735         .check_apicid_used              = es7000_check_apicid_used,
 736         .check_apicid_present           = es7000_check_apicid_present,
 737
 738         .vector_allocation_domain       = es7000_vector_allocation_domain,
 739         .init_apic_ldr                  = es7000_init_apic_ldr,
 740
 741         .ioapic_phys_id_map             = es7000_ioapic_phys_id_map,
 742         .setup_apic_routing             = es7000_setup_apic_routing,
 743         .multi_timer_check              = NULL,
 744         .apicid_to_node                 = es7000_apicid_to_node,
 745         .cpu_to_logical_apicid          = es7000_cpu_to_logical_apicid,
 746         .cpu_present_to_apicid          = es7000_cpu_present_to_apicid,
 747         .apicid_to_cpu_present          = es7000_apicid_to_cpu_present,
 748         .setup_portio_remap             = NULL,
 749         .check_phys_apicid_present      = es7000_check_phys_apicid_present,
 750         .enable_apic_mode               = es7000_enable_apic_mode,
 751         .phys_pkg_id                    = es7000_phys_pkg_id,
 752         .mps_oem_check                  = es7000_mps_oem_check,
 753
 754         .get_apic_id                    = es7000_get_apic_id,
 755         .set_apic_id                    = NULL,
 756         .apic_id_mask                   = 0xFF << 24,
 757
 758         .cpu_mask_to_apicid             = es7000_cpu_mask_to_apicid,
 759         .cpu_mask_to_apicid_and         = es7000_cpu_mask_to_apicid_and,
 760
 761         .send_IPI_mask                  = es7000_send_IPI_mask,
 762         .send_IPI_mask_allbutself       = NULL,
 763         .send_IPI_allbutself            = es7000_send_IPI_allbutself,
 764         .send_IPI_all                   = es7000_send_IPI_all,
 765         .send_IPI_self                  = default_send_IPI_self,
 766
 767         .trampoline_phys_low            = 0x467,
 768         .trampoline_phys_high           = 0x469,
 769
 770         .wait_for_init_deassert         = es7000_wait_for_init_deassert,
 771
 772         /* Nothing to do for most platforms, since cleared by the INIT cycle: */
 773         .smp_callin_clear_local_apic    = NULL,
 774         .inquire_remote_apic            = default_inquire_remote_apic,
 775
 776         .read                           = native_apic_mem_read,
 777         .write                          = native_apic_mem_write,
 778         .icr_read                       = native_apic_icr_read,
 779         .icr_write                      = native_apic_icr_write,
 780         .wait_icr_idle                  = native_apic_wait_icr_idle,
 781         .safe_wait_icr_idle             = native_safe_apic_wait_icr_idle,
 782 };