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gerrit-public.fairphone.software / kernel / msm-4.9 / cb8cc442dc7e07cb5438b357843ab4095ad73933 / . / arch / x86 / mach-generic / summit.c
blob: 2d6843a61d97223e7105bdc889ca0c33a9e4dca2 [file] [log] [blame]
Paolo Ciarrocchi81085762008-02-20 00:17:34 +0100[diff] [blame]1/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]2 * APIC driver for the IBM "Summit" chipset.
3 */
4#define APIC_DEFINITION 1
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]5#include <linux/threads.h>
6#include <linux/cpumask.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]7#include <asm/mpspec.h>
8#include <asm/genapic.h>
9#include <asm/fixmap.h>
10#include <asm/apicdef.h>
11#include <linux/kernel.h>
12#include <linux/string.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]13#include <linux/init.h>
Yinghai Lue8c48ef2008-07-25 02:17:44 -0700[diff] [blame]14#include <asm/summit/apicdef.h>
Yinghai Lu4696ca52008-07-11 18:43:10 -0700[diff] [blame]15#include <linux/smp.h>
Yinghai Lue8c48ef2008-07-25 02:17:44 -0700[diff] [blame]16#include <asm/summit/apic.h>
17#include <asm/summit/ipi.h>
18#include <asm/summit/mpparse.h>
Yinghai Lu569712b2008-11-16 03:12:49 -0800[diff] [blame]19#include <asm/mach-default/mach_wakecpu.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]20
Vivek Goyale96763d2007-01-11 01:52:44 +0100[diff] [blame]21static int probe_summit(void)
Paolo Ciarrocchi81085762008-02-20 00:17:34 +0100[diff] [blame]22{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]23 /* probed later in mptable/ACPI hooks */
24 return 0;
Paolo Ciarrocchi81085762008-02-20 00:17:34 +0100[diff] [blame]25}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]26
Ingo Molnare2d40b12009-01-28 06:50:47 +0100[diff] [blame]27static void summit_vector_allocation_domain(int cpu, cpumask_t *retmask)
Yinghai Lu497c9a12008-08-19 20:50:28 -0700[diff] [blame]28{
29 /* Careful. Some cpus do not strictly honor the set of cpus
30 * specified in the interrupt destination when using lowest
31 * priority interrupt delivery mode.
32 *
33 * In particular there was a hyperthreading cpu observed to
34 * deliver interrupts to the wrong hyperthread when only one
35 * hyperthread was specified in the interrupt desitination.
36 */
Mike Travise7986732008-12-16 17:33:52 -0800[diff] [blame]37 *retmask = (cpumask_t){ { [0] = APIC_ALL_CPUS, } };
Yinghai Lu497c9a12008-08-19 20:50:28 -0700[diff] [blame]38}
39
Ingo Molnar491a50c2009-01-28 03:32:03 +0100[diff] [blame]40struct genapic apic_summit = {
41
42 .name = "summit",
43 .probe = probe_summit,
Ingo Molnar306db032009-01-28 03:43:47 +0100[diff] [blame]44 .acpi_madt_oem_check = summit_acpi_madt_oem_check,
Ingo Molnar7ed248d2009-01-28 03:43:47 +0100[diff] [blame]45 .apic_id_registered = summit_apic_id_registered,
Ingo Molnar491a50c2009-01-28 03:32:03 +0100[diff] [blame]46
Ingo Molnar82daea6b2009-01-28 04:16:01 +0100[diff] [blame]47 .irq_delivery_mode = dest_LowestPrio,
48 /* logical delivery broadcast to all CPUs: */
49 .irq_dest_mode = 1,
Ingo Molnar491a50c2009-01-28 03:32:03 +0100[diff] [blame]50
Ingo Molnar0a9cc202009-01-28 04:30:40 +0100[diff] [blame]51 .target_cpus = summit_target_cpus,
Ingo Molnar08125d32009-01-28 05:08:44 +0100[diff] [blame]52 .disable_esr = 1,
Ingo Molnarbdb1a9b2009-01-28 05:29:25 +0100[diff] [blame]53 .dest_logical = APIC_DEST_LOGICAL,
Ingo Molnard1d7cae2009-01-28 05:41:42 +0100[diff] [blame]54 .check_apicid_used = summit_check_apicid_used,
55 .check_apicid_present = summit_check_apicid_present,
Ingo Molnar491a50c2009-01-28 03:32:03 +0100[diff] [blame]56
Ingo Molnare2d40b12009-01-28 06:50:47 +0100[diff] [blame]57 .vector_allocation_domain = summit_vector_allocation_domain,
Ingo Molnara5c43292009-01-28 06:50:47 +0100[diff] [blame]58 .init_apic_ldr = summit_init_apic_ldr,
Ingo Molnar491a50c2009-01-28 03:32:03 +0100[diff] [blame]59
Ingo Molnard190cb82009-01-28 06:50:47 +0100[diff] [blame]60 .ioapic_phys_id_map = summit_ioapic_phys_id_map,
Ingo Molnar72ce0162009-01-28 06:50:47 +0100[diff] [blame]61 .setup_apic_routing = summit_setup_apic_routing,
Ingo Molnar33a201f2009-01-28 07:17:26 +0100[diff] [blame]62 .multi_timer_check = NULL,
Ingo Molnar3f57a312009-01-28 06:50:47 +0100[diff] [blame]63 .apicid_to_node = summit_apicid_to_node,
Ingo Molnar5257c512009-01-28 06:50:47 +0100[diff] [blame]64 .cpu_to_logical_apicid = summit_cpu_to_logical_apicid,
Ingo Molnara21769a42009-01-28 06:50:47 +0100[diff] [blame]65 .cpu_present_to_apicid = summit_cpu_present_to_apicid,
Ingo Molnar80587142009-01-28 06:50:47 +0100[diff] [blame]66 .apicid_to_cpu_present = summit_apicid_to_cpu_present,
Ingo Molnard83093b2009-01-28 12:43:18 +0100[diff] [blame]67 .setup_portio_remap = NULL,
Ingo Molnara27a6212009-01-28 12:43:18 +0100[diff] [blame]68 .check_phys_apicid_present = summit_check_phys_apicid_present,
Ingo Molnar49040332009-01-28 12:43:18 +0100[diff] [blame]69 .enable_apic_mode = NULL,
Ingo Molnarcb8cc442009-01-28 13:24:54 +0100[diff] [blame^]70 .phys_pkg_id = summit_phys_pkg_id,
Ingo Molnar491a50c2009-01-28 03:32:03 +0100[diff] [blame]71 .mps_oem_check = mps_oem_check,
72
73 .get_apic_id = get_apic_id,
74 .set_apic_id = NULL,
75 .apic_id_mask = APIC_ID_MASK,
76
77 .cpu_mask_to_apicid = cpu_mask_to_apicid,
78 .cpu_mask_to_apicid_and = cpu_mask_to_apicid_and,
79
80 .send_IPI_mask = send_IPI_mask,
81 .send_IPI_mask_allbutself = NULL,
82 .send_IPI_allbutself = send_IPI_allbutself,
83 .send_IPI_all = send_IPI_all,
84 .send_IPI_self = NULL,
85
86 .wakeup_cpu = NULL,
87 .trampoline_phys_low = TRAMPOLINE_PHYS_LOW,
88 .trampoline_phys_high = TRAMPOLINE_PHYS_HIGH,
89 .wait_for_init_deassert = wait_for_init_deassert,
90 .smp_callin_clear_local_apic = smp_callin_clear_local_apic,
91 .store_NMI_vector = store_NMI_vector,
92 .restore_NMI_vector = restore_NMI_vector,
93 .inquire_remote_apic = inquire_remote_apic,
94};