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                 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 */