diff options
Diffstat (limited to 'include/asm-i386/mach-visws/mach_apic.h')
-rw-r--r-- | include/asm-i386/mach-visws/mach_apic.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/include/asm-i386/mach-visws/mach_apic.h b/include/asm-i386/mach-visws/mach_apic.h new file mode 100644 index 000000000000..4e6cdfb8b091 --- /dev/null +++ b/include/asm-i386/mach-visws/mach_apic.h | |||
@@ -0,0 +1,100 @@ | |||
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 */ | ||