diff options
Diffstat (limited to 'include/asm-i386/mach-default/mach_apic.h')
-rw-r--r-- | include/asm-i386/mach-default/mach_apic.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/include/asm-i386/mach-default/mach_apic.h b/include/asm-i386/mach-default/mach_apic.h new file mode 100644 index 000000000000..627f1cd084ba --- /dev/null +++ b/include/asm-i386/mach-default/mach_apic.h | |||
@@ -0,0 +1,133 @@ | |||
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 */ | ||