1 #ifndef __ASM_MACH_APIC_H
2 #define __ASM_MACH_APIC_H
4 #include <mach_apicdef.h>
6 #define APIC_DFR_VALUE (APIC_DFR_FLAT)
8 #define no_balance_irq (0)
9 #define esr_disable (0)
11 #define NO_IOAPIC_CHECK (0)
13 #define INT_DELIVERY_MODE dest_LowestPrio
14 #define INT_DEST_MODE 1 /* logical delivery broadcast to all procs */
17 #define TARGET_CPUS cpu_online_map
19 #define TARGET_CPUS cpumask_of_cpu(0)
22 #define check_apicid_used(bitmap, apicid) physid_isset(apicid, bitmap)
23 #define check_apicid_present(bit) physid_isset(bit, phys_cpu_present_map)
25 static inline int apic_id_registered(void)
27 return physid_isset(GET_APIC_ID(apic_read(APIC_ID)), phys_cpu_present_map);
31 * Set up the logical destination ID.
33 * Intel recommends to set DFR, LDR and TPR before enabling
34 * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel
35 * document number 292116). So here it goes...
37 static inline void init_apic_ldr(void)
41 apic_write_around(APIC_DFR, APIC_DFR_VALUE);
42 val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
43 val |= SET_APIC_LOGICAL_ID(1UL << smp_processor_id());
44 apic_write_around(APIC_LDR, val);
47 static inline void summit_check(char *oem, char *productid)
51 static inline void clustered_apic_check(void)
55 /* Mapping from cpu number to logical apicid */
56 static inline int cpu_to_logical_apicid(int cpu)
61 static inline int cpu_present_to_apicid(int mps_cpu)
63 if (mps_cpu < get_physical_broadcast())
69 static inline physid_mask_t apicid_to_cpu_present(int apicid)
71 return physid_mask_of_physid(apicid);
74 #define WAKE_SECONDARY_VIA_INIT
76 static inline void setup_portio_remap(void)
80 static inline void enable_apic_mode(void)
84 static inline int check_phys_apicid_present(int boot_cpu_physical_apicid)
86 return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map);
89 static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
91 return cpus_addr(cpumask)[0];
94 static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
96 return cpuid_apic >> index_msb;
99 #endif /* __ASM_MACH_APIC_H */