diff options
Diffstat (limited to 'include/asm-x86/es7000/wakecpu.h')
-rw-r--r-- | include/asm-x86/es7000/wakecpu.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/include/asm-x86/es7000/wakecpu.h b/include/asm-x86/es7000/wakecpu.h new file mode 100644 index 000000000000..3ffc5a7bf667 --- /dev/null +++ b/include/asm-x86/es7000/wakecpu.h | |||
@@ -0,0 +1,59 @@ | |||
1 | #ifndef __ASM_ES7000_WAKECPU_H | ||
2 | #define __ASM_ES7000_WAKECPU_H | ||
3 | |||
4 | /* | ||
5 | * This file copes with machines that wakeup secondary CPUs by the | ||
6 | * INIT, INIT, STARTUP sequence. | ||
7 | */ | ||
8 | |||
9 | #ifdef CONFIG_ES7000_CLUSTERED_APIC | ||
10 | #define WAKE_SECONDARY_VIA_MIP | ||
11 | #else | ||
12 | #define WAKE_SECONDARY_VIA_INIT | ||
13 | #endif | ||
14 | |||
15 | #ifdef WAKE_SECONDARY_VIA_MIP | ||
16 | extern int es7000_start_cpu(int cpu, unsigned long eip); | ||
17 | static inline int | ||
18 | wakeup_secondary_cpu(int phys_apicid, unsigned long start_eip) | ||
19 | { | ||
20 | int boot_error = 0; | ||
21 | boot_error = es7000_start_cpu(phys_apicid, start_eip); | ||
22 | return boot_error; | ||
23 | } | ||
24 | #endif | ||
25 | |||
26 | #define TRAMPOLINE_LOW phys_to_virt(0x467) | ||
27 | #define TRAMPOLINE_HIGH phys_to_virt(0x469) | ||
28 | |||
29 | #define boot_cpu_apicid boot_cpu_physical_apicid | ||
30 | |||
31 | static inline void wait_for_init_deassert(atomic_t *deassert) | ||
32 | { | ||
33 | #ifdef WAKE_SECONDARY_VIA_INIT | ||
34 | while (!atomic_read(deassert)) | ||
35 | cpu_relax(); | ||
36 | #endif | ||
37 | return; | ||
38 | } | ||
39 | |||
40 | /* Nothing to do for most platforms, since cleared by the INIT cycle */ | ||
41 | static inline void smp_callin_clear_local_apic(void) | ||
42 | { | ||
43 | } | ||
44 | |||
45 | static inline void store_NMI_vector(unsigned short *high, unsigned short *low) | ||
46 | { | ||
47 | } | ||
48 | |||
49 | static inline void restore_NMI_vector(unsigned short *high, unsigned short *low) | ||
50 | { | ||
51 | } | ||
52 | |||
53 | #if APIC_DEBUG | ||
54 | #define inquire_remote_apic(apicid) __inquire_remote_apic(apicid) | ||
55 | #else | ||
56 | #define inquire_remote_apic(apicid) {} | ||
57 | #endif | ||
58 | |||
59 | #endif /* __ASM_MACH_WAKECPU_H */ | ||