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- /*
- * APIC driver for the IBM "Summit" chipset.
- */
- #define APIC_DEFINITION 1
- #include <linux/threads.h>
- #include <linux/cpumask.h>
- #include <asm/mpspec.h>
- #include <asm/genapic.h>
- #include <asm/fixmap.h>
- #include <asm/apicdef.h>
- #include <linux/kernel.h>
- #include <linux/string.h>
- #include <linux/init.h>
- #include <asm/summit/apicdef.h>
- #include <linux/smp.h>
- #include <asm/summit/apic.h>
- #include <asm/summit/ipi.h>
- #include <asm/summit/mpparse.h>
- static int probe_summit(void)
- {
- /* probed later in mptable/ACPI hooks */
- return 0;
- }
- static void summit_vector_allocation_domain(int cpu, cpumask_t *retmask)
- {
- /* Careful. Some cpus do not strictly honor the set of cpus
- * specified in the interrupt destination when using lowest
- * priority interrupt delivery mode.
- *
- * In particular there was a hyperthreading cpu observed to
- * deliver interrupts to the wrong hyperthread when only one
- * hyperthread was specified in the interrupt desitination.
- */
- *retmask = (cpumask_t){ { [0] = APIC_ALL_CPUS, } };
- }
- struct genapic apic_summit = {
- .name = "summit",
- .probe = probe_summit,
- .acpi_madt_oem_check = summit_acpi_madt_oem_check,
- .apic_id_registered = summit_apic_id_registered,
- .irq_delivery_mode = dest_LowestPrio,
- /* logical delivery broadcast to all CPUs: */
- .irq_dest_mode = 1,
- .target_cpus = summit_target_cpus,
- .disable_esr = 1,
- .dest_logical = APIC_DEST_LOGICAL,
- .check_apicid_used = summit_check_apicid_used,
- .check_apicid_present = summit_check_apicid_present,
- .vector_allocation_domain = summit_vector_allocation_domain,
- .init_apic_ldr = summit_init_apic_ldr,
- .ioapic_phys_id_map = summit_ioapic_phys_id_map,
- .setup_apic_routing = summit_setup_apic_routing,
- .multi_timer_check = NULL,
- .apicid_to_node = summit_apicid_to_node,
- .cpu_to_logical_apicid = summit_cpu_to_logical_apicid,
- .cpu_present_to_apicid = summit_cpu_present_to_apicid,
- .apicid_to_cpu_present = summit_apicid_to_cpu_present,
- .setup_portio_remap = NULL,
- .check_phys_apicid_present = summit_check_phys_apicid_present,
- .enable_apic_mode = NULL,
- .phys_pkg_id = summit_phys_pkg_id,
- .mps_oem_check = summit_mps_oem_check,
- .get_apic_id = summit_get_apic_id,
- .set_apic_id = NULL,
- .apic_id_mask = 0xFF << 24,
- .cpu_mask_to_apicid = summit_cpu_mask_to_apicid,
- .cpu_mask_to_apicid_and = summit_cpu_mask_to_apicid_and,
- .send_IPI_mask = summit_send_IPI_mask,
- .send_IPI_mask_allbutself = NULL,
- .send_IPI_allbutself = summit_send_IPI_allbutself,
- .send_IPI_all = summit_send_IPI_all,
- .send_IPI_self = NULL,
- .wakeup_cpu = NULL,
- .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW,
- .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH,
- .wait_for_init_deassert = default_wait_for_init_deassert,
- .smp_callin_clear_local_apic = NULL,
- .store_NMI_vector = NULL,
- .inquire_remote_apic = default_inquire_remote_apic,
- };
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