03ba1b895f5ec69cdadde8509e6bf887b046ef21
[sfrench/cifs-2.6.git] / 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
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 };