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1da177e4 LT |
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 | static inline cpumask_t target_cpus(void) | |
10 | { | |
11 | #ifdef CONFIG_SMP | |
12 | return cpu_online_map; | |
13 | #else | |
14 | return cpumask_of_cpu(0); | |
15 | #endif | |
16 | } | |
17 | #define TARGET_CPUS (target_cpus()) | |
18 | ||
19 | #define NO_BALANCE_IRQ (0) | |
20 | #define esr_disable (0) | |
21 | ||
22 | #define NO_IOAPIC_CHECK (0) | |
23 | ||
24 | #define INT_DELIVERY_MODE dest_LowestPrio | |
25 | #define INT_DEST_MODE 1 /* logical delivery broadcast to all procs */ | |
26 | ||
27 | static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) | |
28 | { | |
29 | return physid_isset(apicid, bitmap); | |
30 | } | |
31 | ||
32 | static inline unsigned long check_apicid_present(int bit) | |
33 | { | |
34 | return physid_isset(bit, phys_cpu_present_map); | |
35 | } | |
36 | ||
37 | /* | |
38 | * Set up the logical destination ID. | |
39 | * | |
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... | |
43 | */ | |
44 | static inline void init_apic_ldr(void) | |
45 | { | |
46 | unsigned long val; | |
47 | ||
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); | |
52 | } | |
53 | ||
54 | static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map) | |
55 | { | |
56 | return phys_map; | |
57 | } | |
58 | ||
59 | static inline void clustered_apic_check(void) | |
60 | { | |
61 | printk("Enabling APIC mode: %s. Using %d I/O APICs\n", | |
62 | "Flat", nr_ioapics); | |
63 | } | |
64 | ||
65 | static inline int multi_timer_check(int apic, int irq) | |
66 | { | |
67 | return 0; | |
68 | } | |
69 | ||
70 | static inline int apicid_to_node(int logical_apicid) | |
71 | { | |
72 | return 0; | |
73 | } | |
74 | ||
75 | /* Mapping from cpu number to logical apicid */ | |
76 | static inline int cpu_to_logical_apicid(int cpu) | |
77 | { | |
78 | return 1 << cpu; | |
79 | } | |
80 | ||
81 | static inline int cpu_present_to_apicid(int mps_cpu) | |
82 | { | |
83 | if (mps_cpu < get_physical_broadcast()) | |
84 | return mps_cpu; | |
85 | else | |
86 | return BAD_APICID; | |
87 | } | |
88 | ||
89 | static inline physid_mask_t apicid_to_cpu_present(int phys_apicid) | |
90 | { | |
91 | return physid_mask_of_physid(phys_apicid); | |
92 | } | |
93 | ||
94 | static inline int mpc_apic_id(struct mpc_config_processor *m, | |
95 | struct mpc_config_translation *translation_record) | |
96 | { | |
97 | printk("Processor #%d %ld:%ld APIC version %d\n", | |
98 | m->mpc_apicid, | |
99 | (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8, | |
100 | (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4, | |
101 | m->mpc_apicver); | |
102 | return (m->mpc_apicid); | |
103 | } | |
104 | ||
105 | static inline void setup_portio_remap(void) | |
106 | { | |
107 | } | |
108 | ||
109 | static inline int check_phys_apicid_present(int boot_cpu_physical_apicid) | |
110 | { | |
111 | return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map); | |
112 | } | |
113 | ||
114 | static inline int apic_id_registered(void) | |
115 | { | |
116 | return physid_isset(GET_APIC_ID(apic_read(APIC_ID)), phys_cpu_present_map); | |
117 | } | |
118 | ||
119 | static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) | |
120 | { | |
121 | return cpus_addr(cpumask)[0]; | |
122 | } | |
123 | ||
124 | static inline void enable_apic_mode(void) | |
125 | { | |
126 | } | |
127 | ||
128 | static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) | |
129 | { | |
130 | return cpuid_apic >> index_msb; | |
131 | } | |
132 | ||
133 | #endif /* __ASM_MACH_APIC_H */ |