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