2 * APIC driver for the IBM "Summit" chipset.
4 #define APIC_DEFINITION 1
5 #include <linux/threads.h>
6 #include <linux/cpumask.h>
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>
13 #include <linux/init.h>
14 #include <asm/summit/apicdef.h>
15 #include <linux/smp.h>
16 #include <asm/summit/apic.h>
17 #include <asm/summit/ipi.h>
18 #include <asm/summit/mpparse.h>
19 #include <asm/mach-default/mach_wakecpu.h>
21 static int probe_summit(void)
23 /* probed later in mptable/ACPI hooks */
27 static void summit_vector_allocation_domain(int cpu
, cpumask_t
*retmask
)
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.
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.
37 *retmask
= (cpumask_t
){ { [0] = APIC_ALL_CPUS
, } };
40 struct genapic apic_summit
= {
43 .probe
= probe_summit
,
44 .acpi_madt_oem_check
= summit_acpi_madt_oem_check
,
45 .apic_id_registered
= summit_apic_id_registered
,
47 .irq_delivery_mode
= dest_LowestPrio
,
48 /* logical delivery broadcast to all CPUs: */
51 .target_cpus
= summit_target_cpus
,
53 .dest_logical
= APIC_DEST_LOGICAL
,
54 .check_apicid_used
= summit_check_apicid_used
,
55 .check_apicid_present
= summit_check_apicid_present
,
57 .vector_allocation_domain
= summit_vector_allocation_domain
,
58 .init_apic_ldr
= init_apic_ldr
,
60 .ioapic_phys_id_map
= ioapic_phys_id_map
,
61 .setup_apic_routing
= setup_apic_routing
,
62 .multi_timer_check
= multi_timer_check
,
63 .apicid_to_node
= apicid_to_node
,
64 .cpu_to_logical_apicid
= cpu_to_logical_apicid
,
65 .cpu_present_to_apicid
= cpu_present_to_apicid
,
66 .apicid_to_cpu_present
= apicid_to_cpu_present
,
67 .setup_portio_remap
= setup_portio_remap
,
68 .check_phys_apicid_present
= check_phys_apicid_present
,
69 .enable_apic_mode
= enable_apic_mode
,
70 .phys_pkg_id
= phys_pkg_id
,
71 .mps_oem_check
= mps_oem_check
,
73 .get_apic_id
= get_apic_id
,
75 .apic_id_mask
= APIC_ID_MASK
,
77 .cpu_mask_to_apicid
= cpu_mask_to_apicid
,
78 .cpu_mask_to_apicid_and
= cpu_mask_to_apicid_and
,
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
,
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
,