/* * APIC driver for the Unisys ES7000 chipset. */ #define APIC_DEFINITION 1 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include void __init es7000_update_genapic_to_cluster(void) { apic->target_cpus = target_cpus_cluster; apic->irq_delivery_mode = INT_DELIVERY_MODE_CLUSTER; apic->irq_dest_mode = INT_DEST_MODE_CLUSTER; apic->init_apic_ldr = es7000_init_apic_ldr_cluster; apic->cpu_mask_to_apicid = cpu_mask_to_apicid_cluster; } static int probe_es7000(void) { /* probed later in mptable/ACPI hooks */ return 0; } extern void es7000_sw_apic(void); static void __init enable_apic_mode(void) { es7000_sw_apic(); return; } static __init int mps_oem_check(struct mpc_table *mpc, char *oem, char *productid) { if (mpc->oemptr) { struct mpc_oemtable *oem_table = (struct mpc_oemtable *)mpc->oemptr; if (!strncmp(oem, "UNISYS", 6)) return parse_unisys_oem((char *)oem_table); } return 0; } #ifdef CONFIG_ACPI /* Hook from generic ACPI tables.c */ static int __init es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id) { unsigned long oem_addr = 0; int check_dsdt; int ret = 0; /* check dsdt at first to avoid clear fix_map for oem_addr */ check_dsdt = es7000_check_dsdt(); if (!find_unisys_acpi_oem_table(&oem_addr)) { if (check_dsdt) ret = parse_unisys_oem((char *)oem_addr); else { setup_unisys(); ret = 1; } /* * we need to unmap it */ unmap_unisys_acpi_oem_table(oem_addr); } return ret; } #else static int __init es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id) { return 0; } #endif static void es7000_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_es7000 = { .name = "es7000", .probe = probe_es7000, .acpi_madt_oem_check = es7000_acpi_madt_oem_check, .apic_id_registered = es7000_apic_id_registered, .irq_delivery_mode = dest_Fixed, /* phys delivery to target CPUs: */ .irq_dest_mode = 0, .target_cpus = es7000_target_cpus, .disable_esr = 1, .dest_logical = 0, .check_apicid_used = es7000_check_apicid_used, .check_apicid_present = es7000_check_apicid_present, .vector_allocation_domain = es7000_vector_allocation_domain, .init_apic_ldr = es7000_init_apic_ldr, .ioapic_phys_id_map = es7000_ioapic_phys_id_map, .setup_apic_routing = es7000_setup_apic_routing, .multi_timer_check = NULL, .apicid_to_node = es7000_apicid_to_node, .cpu_to_logical_apicid = es7000_cpu_to_logical_apicid, .cpu_present_to_apicid = es7000_cpu_present_to_apicid, .apicid_to_cpu_present = apicid_to_cpu_present, .setup_portio_remap = setup_portio_remap, .check_phys_apicid_present = check_phys_apicid_present, .enable_apic_mode = enable_apic_mode, .phys_pkg_id = phys_pkg_id, .mps_oem_check = mps_oem_check, .get_apic_id = get_apic_id, .set_apic_id = NULL, .apic_id_mask = APIC_ID_MASK, .cpu_mask_to_apicid = cpu_mask_to_apicid, .cpu_mask_to_apicid_and = cpu_mask_to_apicid_and, .send_IPI_mask = send_IPI_mask, .send_IPI_mask_allbutself = NULL, .send_IPI_allbutself = send_IPI_allbutself, .send_IPI_all = send_IPI_all, .send_IPI_self = NULL, .wakeup_cpu = NULL, .trampoline_phys_low = TRAMPOLINE_PHYS_LOW, .trampoline_phys_high = TRAMPOLINE_PHYS_HIGH, .wait_for_init_deassert = wait_for_init_deassert, .smp_callin_clear_local_apic = smp_callin_clear_local_apic, .store_NMI_vector = store_NMI_vector, .restore_NMI_vector = restore_NMI_vector, .inquire_remote_apic = inquire_remote_apic, };