1 #ifndef __ASM_MACH_APIC_H
2 #define __ASM_MACH_APIC_H
3
4 #include <mach_apicdef.h>
5 #include <asm/smp.h>
6
7 #define APIC_DFR_VALUE (APIC_DFR_FLAT)
8
9 #define no_balance_irq (0)
10 #define esr_disable (0)
11
12 #define NO_IOAPIC_CHECK (0)
13
14 #define INT_DELIVERY_MODE dest_LowestPrio
15 #define INT_DEST_MODE 1 /* logical delivery broadcast to all procs */
16
17 #ifdef CONFIG_SMP
18 #define TARGET_CPUS cpu_online_map
19 #else
20 #define TARGET_CPUS cpumask_of_cpu(0)
21 #endif
22
23 #define check_apicid_used(bitmap, apicid) physid_isset(apicid, bitmap)
24 #define check_apicid_present(bit) physid_isset(bit, phys_cpu_present_map)
25
26 static inline int apic_id_registered(void)
27 {
28 return physid_isset(GET_APIC_ID(apic_read(APIC_ID)), phys_cpu_present_map);
29 }
30
31 /*
32 * Set up the logical destination ID.
33 *
34 * Intel recommends to set DFR, LDR and TPR before enabling
35 * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel
36 * document number 292116). So here it goes...
37 */
38 static inline void init_apic_ldr(void)
39 {
40 unsigned long val;
41
42 apic_write_around(APIC_DFR, APIC_DFR_VALUE);
43 val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
44 val |= SET_APIC_LOGICAL_ID(1UL << smp_processor_id());
45 apic_write_around(APIC_LDR, val);
46 }
47
48 static inline void summit_check(char *oem, char *productid)
49 {
50 }
51
52 static inline void clustered_apic_check(void)
53 {
54 }
55
56 /* Mapping from cpu number to logical apicid */
57 static inline int cpu_to_logical_apicid(int cpu)
58 {
59 return 1 << cpu;
60 }
61
62 static inline int cpu_present_to_apicid(int mps_cpu)
63 {
64 if (mps_cpu < get_physical_broadcast())
65 return mps_cpu;
66 else
67 return BAD_APICID;
68 }
69
70 static inline physid_mask_t apicid_to_cpu_present(int apicid)
71 {
72 return physid_mask_of_physid(apicid);
73 }
74
75 #define WAKE_SECONDARY_VIA_INIT
76
77 static inline void setup_portio_remap(void)
78 {
79 }
80
81 static inline void enable_apic_mode(void)
82 {
83 }
84
85 static inline int check_phys_apicid_present(int boot_cpu_physical_apicid)
86 {
87 return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map);
88 }
89
90 static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
91 {
92 return cpus_addr(cpumask)[0];
93 }
94
95 static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
96 {
97 return cpuid_apic >> index_msb;
98 }
99
100 #endif /* __ASM_MACH_APIC_H */
101
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