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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#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
16extern int es7000_start_cpu(int cpu, unsigned long eip);
17static inline int
18wakeup_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
31static 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 */
40static inline void smp_callin_clear_local_apic(void)
41{
42}
43
44static inline void store_NMI_vector(unsigned short *high, unsigned short *low)
45{
46}
47
48static 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 */