| #ifndef __ASM_MACH_APIC_H |
| #define __ASM_MACH_APIC_H |
| |
| extern u8 bios_cpu_apicid[]; |
| |
| #define xapic_phys_to_log_apicid(cpu) (bios_cpu_apicid[cpu]) |
| #define esr_disable (1) |
| |
| static inline int apic_id_registered(void) |
| { |
| return (1); |
| } |
| |
| static inline cpumask_t target_cpus(void) |
| { |
| #if defined CONFIG_ES7000_CLUSTERED_APIC |
| return CPU_MASK_ALL; |
| #else |
| return cpumask_of_cpu(smp_processor_id()); |
| #endif |
| } |
| #define TARGET_CPUS (target_cpus()) |
| |
| #if defined CONFIG_ES7000_CLUSTERED_APIC |
| #define APIC_DFR_VALUE (APIC_DFR_CLUSTER) |
| #define INT_DELIVERY_MODE (dest_LowestPrio) |
| #define INT_DEST_MODE (1) /* logical delivery broadcast to all procs */ |
| #define NO_BALANCE_IRQ (1) |
| #undef WAKE_SECONDARY_VIA_INIT |
| #define WAKE_SECONDARY_VIA_MIP |
| #else |
| #define APIC_DFR_VALUE (APIC_DFR_FLAT) |
| #define INT_DELIVERY_MODE (dest_Fixed) |
| #define INT_DEST_MODE (0) /* phys delivery to target procs */ |
| #define NO_BALANCE_IRQ (0) |
| #undef APIC_DEST_LOGICAL |
| #define APIC_DEST_LOGICAL 0x0 |
| #define WAKE_SECONDARY_VIA_INIT |
| #endif |
| |
| static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) |
| { |
| return 0; |
| } |
| static inline unsigned long check_apicid_present(int bit) |
| { |
| return physid_isset(bit, phys_cpu_present_map); |
| } |
| |
| #define apicid_cluster(apicid) (apicid & 0xF0) |
| |
| static inline unsigned long calculate_ldr(int cpu) |
| { |
| unsigned long id; |
| id = xapic_phys_to_log_apicid(cpu); |
| return (SET_APIC_LOGICAL_ID(id)); |
| } |
| |
| /* |
| * Set up the logical destination ID. |
| * |
| * Intel recommends to set DFR, LdR and TPR before enabling |
| * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel |
| * document number 292116). So here it goes... |
| */ |
| static inline void init_apic_ldr(void) |
| { |
| unsigned long val; |
| int cpu = smp_processor_id(); |
| |
| apic_write_around(APIC_DFR, APIC_DFR_VALUE); |
| val = calculate_ldr(cpu); |
| apic_write_around(APIC_LDR, val); |
| } |
| |
| #ifndef CONFIG_X86_GENERICARCH |
| extern void enable_apic_mode(void); |
| #endif |
| |
| extern int apic_version [MAX_APICS]; |
| static inline void setup_apic_routing(void) |
| { |
| int apic = bios_cpu_apicid[smp_processor_id()]; |
| printk("Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n", |
| (apic_version[apic] == 0x14) ? |
| "Physical Cluster" : "Logical Cluster", nr_ioapics, cpus_addr(TARGET_CPUS)[0]); |
| } |
| |
| static inline int multi_timer_check(int apic, int irq) |
| { |
| return 0; |
| } |
| |
| static inline int apicid_to_node(int logical_apicid) |
| { |
| return 0; |
| } |
| |
| |
| static inline int cpu_present_to_apicid(int mps_cpu) |
| { |
| if (!mps_cpu) |
| return boot_cpu_physical_apicid; |
| else if (mps_cpu < NR_CPUS) |
| return (int) bios_cpu_apicid[mps_cpu]; |
| else |
| return BAD_APICID; |
| } |
| |
| static inline physid_mask_t apicid_to_cpu_present(int phys_apicid) |
| { |
| static int id = 0; |
| physid_mask_t mask; |
| mask = physid_mask_of_physid(id); |
| ++id; |
| return mask; |
| } |
| |
| extern u8 cpu_2_logical_apicid[]; |
| /* Mapping from cpu number to logical apicid */ |
| static inline int cpu_to_logical_apicid(int cpu) |
| { |
| #ifdef CONFIG_SMP |
| if (cpu >= NR_CPUS) |
| return BAD_APICID; |
| return (int)cpu_2_logical_apicid[cpu]; |
| #else |
| return logical_smp_processor_id(); |
| #endif |
| } |
| |
| static inline int mpc_apic_id(struct mpc_config_processor *m, struct mpc_config_translation *unused) |
| { |
| printk("Processor #%d %u:%u APIC version %d\n", |
| m->mpc_apicid, |
| (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8, |
| (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4, |
| m->mpc_apicver); |
| return (m->mpc_apicid); |
| } |
| |
| static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map) |
| { |
| /* For clustered we don't have a good way to do this yet - hack */ |
| return physids_promote(0xff); |
| } |
| |
| |
| static inline void setup_portio_remap(void) |
| { |
| } |
| |
| extern unsigned int boot_cpu_physical_apicid; |
| static inline int check_phys_apicid_present(int cpu_physical_apicid) |
| { |
| boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID)); |
| return (1); |
| } |
| |
| static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) |
| { |
| int num_bits_set; |
| int cpus_found = 0; |
| int cpu; |
| int apicid; |
| |
| num_bits_set = cpus_weight(cpumask); |
| /* Return id to all */ |
| if (num_bits_set == NR_CPUS) |
| #if defined CONFIG_ES7000_CLUSTERED_APIC |
| return 0xFF; |
| #else |
| return cpu_to_logical_apicid(0); |
| #endif |
| /* |
| * The cpus in the mask must all be on the apic cluster. If are not |
| * on the same apicid cluster return default value of TARGET_CPUS. |
| */ |
| cpu = first_cpu(cpumask); |
| apicid = cpu_to_logical_apicid(cpu); |
| while (cpus_found < num_bits_set) { |
| if (cpu_isset(cpu, cpumask)) { |
| int new_apicid = cpu_to_logical_apicid(cpu); |
| if (apicid_cluster(apicid) != |
| apicid_cluster(new_apicid)){ |
| printk ("%s: Not a valid mask!\n",__FUNCTION__); |
| #if defined CONFIG_ES7000_CLUSTERED_APIC |
| return 0xFF; |
| #else |
| return cpu_to_logical_apicid(0); |
| #endif |
| } |
| apicid = new_apicid; |
| cpus_found++; |
| } |
| cpu++; |
| } |
| return apicid; |
| } |
| |
| static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) |
| { |
| return cpuid_apic >> index_msb; |
| } |
| |
| #endif /* __ASM_MACH_APIC_H */ |