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Diffstat (limited to 'include/asm-x86/mach-es7000/mach_wakecpu.h')
-rw-r--r--include/asm-x86/mach-es7000/mach_wakecpu.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/include/asm-x86/mach-es7000/mach_wakecpu.h b/include/asm-x86/mach-es7000/mach_wakecpu.h
new file mode 100644
index 000000000000..84ff58314501
--- /dev/null
+++ b/include/asm-x86/mach-es7000/mach_wakecpu.h
@@ -0,0 +1,59 @@
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
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 cpu_relax();
36#endif
37 return;
38}
39
40/* Nothing to do for most platforms, since cleared by the INIT cycle */
41static inline void smp_callin_clear_local_apic(void)
42{
43}
44
45static inline void store_NMI_vector(unsigned short *high, unsigned short *low)
46{
47}
48
49static 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 */