arch/arm/mach-mt8127/include/mach/smp.h

   1 #ifndef __MT_SMP_H
   2 #define __MT_SMP_H
   3
   4 #include <linux/cpumask.h>
   5 #include <mach/irqs.h>
   6 extern void irq_raise_softirq(const struct cpumask *mask, unsigned int irq);
   7
   8 /* use Soft IRQ1 as the IPI */
   9 static inline void smp_cross_call(const struct cpumask *mask)
  10 {
  11     irq_raise_softirq(mask, CPU_BRINGUP_SGI);
  12 }
  13
  14 static inline int get_HW_cpuid(void)
  15 {
  16     int id;
  17     asm ("mrc     p15, 0, %0, c0, c0, 5 @ Get CPUID\n"
  18             : "=r" (id));
  19     return (id&0x3)+((id&0xF00)>>6);
  20 }
  21
  22 #endif  /* !__MT_SMP_H */