diff options
Diffstat (limited to 'include/asm-x86/apic_32.h')
-rw-r--r-- | include/asm-x86/apic_32.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/include/asm-x86/apic_32.h b/include/asm-x86/apic_32.h new file mode 100644 index 000000000000..4091b33dcb10 --- /dev/null +++ b/include/asm-x86/apic_32.h | |||
@@ -0,0 +1,126 @@ | |||
1 | #ifndef __ASM_APIC_H | ||
2 | #define __ASM_APIC_H | ||
3 | |||
4 | #include <linux/pm.h> | ||
5 | #include <linux/delay.h> | ||
6 | #include <asm/fixmap.h> | ||
7 | #include <asm/apicdef.h> | ||
8 | #include <asm/processor.h> | ||
9 | #include <asm/system.h> | ||
10 | |||
11 | #define Dprintk(x...) | ||
12 | |||
13 | /* | ||
14 | * Debugging macros | ||
15 | */ | ||
16 | #define APIC_QUIET 0 | ||
17 | #define APIC_VERBOSE 1 | ||
18 | #define APIC_DEBUG 2 | ||
19 | |||
20 | extern int apic_verbosity; | ||
21 | |||
22 | /* | ||
23 | * Define the default level of output to be very little | ||
24 | * This can be turned up by using apic=verbose for more | ||
25 | * information and apic=debug for _lots_ of information. | ||
26 | * apic_verbosity is defined in apic.c | ||
27 | */ | ||
28 | #define apic_printk(v, s, a...) do { \ | ||
29 | if ((v) <= apic_verbosity) \ | ||
30 | printk(s, ##a); \ | ||
31 | } while (0) | ||
32 | |||
33 | |||
34 | extern void generic_apic_probe(void); | ||
35 | |||
36 | #ifdef CONFIG_X86_LOCAL_APIC | ||
37 | |||
38 | /* | ||
39 | * Basic functions accessing APICs. | ||
40 | */ | ||
41 | #ifdef CONFIG_PARAVIRT | ||
42 | #include <asm/paravirt.h> | ||
43 | #else | ||
44 | #define apic_write native_apic_write | ||
45 | #define apic_write_atomic native_apic_write_atomic | ||
46 | #define apic_read native_apic_read | ||
47 | #define setup_boot_clock setup_boot_APIC_clock | ||
48 | #define setup_secondary_clock setup_secondary_APIC_clock | ||
49 | #endif | ||
50 | |||
51 | static __inline fastcall void native_apic_write(unsigned long reg, | ||
52 | unsigned long v) | ||
53 | { | ||
54 | *((volatile unsigned long *)(APIC_BASE+reg)) = v; | ||
55 | } | ||
56 | |||
57 | static __inline fastcall void native_apic_write_atomic(unsigned long reg, | ||
58 | unsigned long v) | ||
59 | { | ||
60 | xchg((volatile unsigned long *)(APIC_BASE+reg), v); | ||
61 | } | ||
62 | |||
63 | static __inline fastcall unsigned long native_apic_read(unsigned long reg) | ||
64 | { | ||
65 | return *((volatile unsigned long *)(APIC_BASE+reg)); | ||
66 | } | ||
67 | |||
68 | void apic_wait_icr_idle(void); | ||
69 | unsigned long safe_apic_wait_icr_idle(void); | ||
70 | int get_physical_broadcast(void); | ||
71 | |||
72 | #ifdef CONFIG_X86_GOOD_APIC | ||
73 | # define FORCE_READ_AROUND_WRITE 0 | ||
74 | # define apic_read_around(x) | ||
75 | # define apic_write_around(x,y) apic_write((x),(y)) | ||
76 | #else | ||
77 | # define FORCE_READ_AROUND_WRITE 1 | ||
78 | # define apic_read_around(x) apic_read(x) | ||
79 | # define apic_write_around(x,y) apic_write_atomic((x),(y)) | ||
80 | #endif | ||
81 | |||
82 | static inline void ack_APIC_irq(void) | ||
83 | { | ||
84 | /* | ||
85 | * ack_APIC_irq() actually gets compiled as a single instruction: | ||
86 | * - a single rmw on Pentium/82489DX | ||
87 | * - a single write on P6+ cores (CONFIG_X86_GOOD_APIC) | ||
88 | * ... yummie. | ||
89 | */ | ||
90 | |||
91 | /* Docs say use 0 for future compatibility */ | ||
92 | apic_write_around(APIC_EOI, 0); | ||
93 | } | ||
94 | |||
95 | extern int lapic_get_maxlvt(void); | ||
96 | extern void clear_local_APIC(void); | ||
97 | extern void connect_bsp_APIC (void); | ||
98 | extern void disconnect_bsp_APIC (int virt_wire_setup); | ||
99 | extern void disable_local_APIC (void); | ||
100 | extern void lapic_shutdown (void); | ||
101 | extern int verify_local_APIC (void); | ||
102 | extern void cache_APIC_registers (void); | ||
103 | extern void sync_Arb_IDs (void); | ||
104 | extern void init_bsp_APIC (void); | ||
105 | extern void setup_local_APIC (void); | ||
106 | extern void init_apic_mappings (void); | ||
107 | extern void smp_local_timer_interrupt (void); | ||
108 | extern void setup_boot_APIC_clock (void); | ||
109 | extern void setup_secondary_APIC_clock (void); | ||
110 | extern int APIC_init_uniprocessor (void); | ||
111 | |||
112 | extern void enable_NMI_through_LVT0 (void * dummy); | ||
113 | |||
114 | #define ARCH_APICTIMER_STOPS_ON_C3 1 | ||
115 | |||
116 | extern int timer_over_8254; | ||
117 | extern int local_apic_timer_c2_ok; | ||
118 | |||
119 | extern int local_apic_timer_disabled; | ||
120 | |||
121 | #else /* !CONFIG_X86_LOCAL_APIC */ | ||
122 | static inline void lapic_shutdown(void) { } | ||
123 | |||
124 | #endif /* !CONFIG_X86_LOCAL_APIC */ | ||
125 | |||
126 | #endif /* __ASM_APIC_H */ | ||