Linux-2.6.12-rc2
[linux-2.6.git] / include / asm-i386 / mach-es7000 / mach_wakecpu.h
1 #ifndef __ASM_MACH_WAKECPU_H
2 #define __ASM_MACH_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 #endif
36         return;
37 }
38
39 /* Nothing to do for most platforms, since cleared by the INIT cycle */
40 static inline void smp_callin_clear_local_apic(void)
41 {
42 }
43
44 static inline void store_NMI_vector(unsigned short *high, unsigned short *low)
45 {
46 }
47
48 static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
49 {
50 }
51
52 #if APIC_DEBUG
53  #define inquire_remote_apic(apicid) __inquire_remote_apic(apicid)
54 #else
55  #define inquire_remote_apic(apicid) {}
56 #endif
57
58 #endif /* __ASM_MACH_WAKECPU_H */