| /* |
| * APIC driver for the Unisys ES7000 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/es7000/apicdef.h> |
| #include <linux/smp.h> |
| #include <asm/es7000/apic.h> |
| #include <asm/es7000/ipi.h> |
| #include <asm/es7000/mpparse.h> |
| #include <asm/mach-default/mach_wakecpu.h> |
| |
| 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; |
| } |
| |
| static __init int |
| es7000_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 = es7000_apicid_to_cpu_present, |
| .setup_portio_remap = NULL, |
| .check_phys_apicid_present = es7000_check_phys_apicid_present, |
| .enable_apic_mode = es7000_enable_apic_mode, |
| .phys_pkg_id = es7000_phys_pkg_id, |
| .mps_oem_check = es7000_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, |
| }; |