projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 8108576a | 1 | /* |
| 1da177e4 LT |
2 | * APIC driver for the IBM "Summit" chipset. |
| 3 | */ | |
| 4 | #define APIC_DEFINITION 1 | |
| 1da177e4 LT |
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> | |
| 1da177e4 | 13 | #include <linux/init.h> |
| e8c48efd | 14 | #include <asm/summit/apicdef.h> |
| 4696ca5b | 15 | #include <linux/smp.h> |
| e8c48efd YL |
16 | #include <asm/summit/apic.h> |
| 17 | #include <asm/summit/ipi.h> | |
| 18 | #include <asm/summit/mpparse.h> | |
| 569712b2 | 19 | #include <asm/mach-default/mach_wakecpu.h> |
| 1da177e4 | 20 | |
| e96763d6 | 21 | static int probe_summit(void) |
| 8108576a | 22 | { |
| 1da177e4 LT |
23 | /* probed later in mptable/ACPI hooks */ |
| 24 | return 0; | |
| 8108576a | 25 | } |
| 1da177e4 | 26 | |
| e7986739 | 27 | static void vector_allocation_domain(int cpu, cpumask_t *retmask) |
| 497c9a19 YL |
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 | */ | |
| e7986739 | 37 | *retmask = (cpumask_t){ { [0] = APIC_ALL_CPUS, } }; |
| 497c9a19 YL |
38 | } |
| 39 | ||
| 491a50c4 IM |
40 | struct genapic apic_summit = { |
| 41 | ||
| 42 | .name = "summit", | |
| 43 | .probe = probe_summit, | |
| 306db03b | 44 | .acpi_madt_oem_check = summit_acpi_madt_oem_check, |
| 7ed248da | 45 | .apic_id_registered = summit_apic_id_registered, |
| 491a50c4 | 46 | |
| 82daea6b IM |
47 | .irq_delivery_mode = dest_LowestPrio, |
| 48 | /* logical delivery broadcast to all CPUs: */ | |
| 49 | .irq_dest_mode = 1, | |
| 491a50c4 IM |
50 | |
| 51 | .target_cpus = target_cpus, | |
| 52 | .ESR_DISABLE = esr_disable, | |
| 53 | .apic_destination_logical = APIC_DEST_LOGICAL, | |
| 54 | .check_apicid_used = check_apicid_used, | |
| 55 | .check_apicid_present = check_apicid_present, | |
| 56 | ||
| 57 | .no_balance_irq = NO_BALANCE_IRQ, | |
| 58 | .no_ioapic_check = 0, | |
| 59 | ||
| 60 | .vector_allocation_domain = vector_allocation_domain, | |
| 61 | .init_apic_ldr = init_apic_ldr, | |
| 62 | ||
| 63 | .ioapic_phys_id_map = ioapic_phys_id_map, | |
| 64 | .setup_apic_routing = setup_apic_routing, | |
| 65 | .multi_timer_check = multi_timer_check, | |
| 66 | .apicid_to_node = apicid_to_node, | |
| 67 | .cpu_to_logical_apicid = cpu_to_logical_apicid, | |
| 68 | .cpu_present_to_apicid = cpu_present_to_apicid, | |
| 69 | .apicid_to_cpu_present = apicid_to_cpu_present, | |
| 70 | .setup_portio_remap = setup_portio_remap, | |
| 71 | .check_phys_apicid_present = check_phys_apicid_present, | |
| 72 | .enable_apic_mode = enable_apic_mode, | |
| 73 | .phys_pkg_id = phys_pkg_id, | |
| 74 | .mps_oem_check = mps_oem_check, | |
| 75 | ||
| 76 | .get_apic_id = get_apic_id, | |
| 77 | .set_apic_id = NULL, | |
| 78 | .apic_id_mask = APIC_ID_MASK, | |
| 79 | ||
| 80 | .cpu_mask_to_apicid = cpu_mask_to_apicid, | |
| 81 | .cpu_mask_to_apicid_and = cpu_mask_to_apicid_and, | |
| 82 | ||
| 83 | .send_IPI_mask = send_IPI_mask, | |
| 84 | .send_IPI_mask_allbutself = NULL, | |
| 85 | .send_IPI_allbutself = send_IPI_allbutself, | |
| 86 | .send_IPI_all = send_IPI_all, | |
| 87 | .send_IPI_self = NULL, | |
| 88 | ||
| 89 | .wakeup_cpu = NULL, | |
| 90 | .trampoline_phys_low = TRAMPOLINE_PHYS_LOW, | |
| 91 | .trampoline_phys_high = TRAMPOLINE_PHYS_HIGH, | |
| 92 | .wait_for_init_deassert = wait_for_init_deassert, | |
| 93 | .smp_callin_clear_local_apic = smp_callin_clear_local_apic, | |
| 94 | .store_NMI_vector = store_NMI_vector, | |
| 95 | .restore_NMI_vector = restore_NMI_vector, | |
| 96 | .inquire_remote_apic = inquire_remote_apic, | |
| 97 | }; |