1 #ifndef __ASM_MACH_APIC_H
2 #define __ASM_MACH_APIC_H
4 #include <mach_apicdef.h>
7 #define APIC_DFR_VALUE (APIC_DFR_FLAT)
9 static inline cpumask_t
target_cpus(void)
12 return cpu_online_map
;
14 return cpumask_of_cpu(0);
17 #define TARGET_CPUS (target_cpus())
19 #define NO_BALANCE_IRQ (0)
20 #define esr_disable (0)
22 #define NO_IOAPIC_CHECK (0)
24 #define INT_DELIVERY_MODE dest_LowestPrio
25 #define INT_DEST_MODE 1 /* logical delivery broadcast to all procs */
27 static inline unsigned long check_apicid_used(physid_mask_t bitmap
, int apicid
)
29 return physid_isset(apicid
, bitmap
);
32 static inline unsigned long check_apicid_present(int bit
)
34 return physid_isset(bit
, phys_cpu_present_map
);
38 * Set up the logical destination ID.
40 * Intel recommends to set DFR, LDR and TPR before enabling
41 * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel
42 * document number 292116). So here it goes...
44 static inline void init_apic_ldr(void)
48 apic_write_around(APIC_DFR
, APIC_DFR_VALUE
);
49 val
= apic_read(APIC_LDR
) & ~APIC_LDR_MASK
;
50 val
|= SET_APIC_LOGICAL_ID(1UL << smp_processor_id());
51 apic_write_around(APIC_LDR
, val
);
54 static inline physid_mask_t
ioapic_phys_id_map(physid_mask_t phys_map
)
59 static inline void clustered_apic_check(void)
61 printk("Enabling APIC mode: %s. Using %d I/O APICs\n",
65 static inline int multi_timer_check(int apic
, int irq
)
70 static inline int apicid_to_node(int logical_apicid
)
75 /* Mapping from cpu number to logical apicid */
76 static inline int cpu_to_logical_apicid(int cpu
)
81 static inline int cpu_present_to_apicid(int mps_cpu
)
83 if (mps_cpu
< get_physical_broadcast())
89 static inline physid_mask_t
apicid_to_cpu_present(int phys_apicid
)
91 return physid_mask_of_physid(phys_apicid
);
94 static inline int mpc_apic_id(struct mpc_config_processor
*m
,
95 struct mpc_config_translation
*translation_record
)
97 printk("Processor #%d %ld:%ld APIC version %d\n",
99 (m
->mpc_cpufeature
& CPU_FAMILY_MASK
) >> 8,
100 (m
->mpc_cpufeature
& CPU_MODEL_MASK
) >> 4,
102 return (m
->mpc_apicid
);
105 static inline void setup_portio_remap(void)
109 static inline int check_phys_apicid_present(int boot_cpu_physical_apicid
)
111 return physid_isset(boot_cpu_physical_apicid
, phys_cpu_present_map
);
114 static inline int apic_id_registered(void)
116 return physid_isset(GET_APIC_ID(apic_read(APIC_ID
)), phys_cpu_present_map
);
119 static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask
)
121 return cpus_addr(cpumask
)[0];
124 static inline void enable_apic_mode(void)
128 static inline u32
phys_pkg_id(u32 cpuid_apic
, int index_msb
)
130 return cpuid_apic
>> index_msb
;
133 #endif /* __ASM_MACH_APIC_H */