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/*
 * Copyright 2010 B Labs Ltd.
 *
 * Authors: Prem Mallappa, Bahadir Balban
 *
 * SMP support
 */
#ifndef __GLUE_ARM_SMP_H__
#define __GLUE_ARM_SMP_H__
 
#include INC_ARCH(scu.h)
 
struct cpuinfo {
	u32 ncpus;
	u32 flags;
        volatile u32 cpu_spinning;
        void (*send_ipi)(int cpu, int ipi_cmd);
        void (*smp_spin)(void);
	void (*smp_finish)(void);
 
} __attribute__ ((__packed__));
 
extern struct cpuinfo cpuinfo;
 
#if defined(CONFIG_SMP)
 
void smp_attach(void);
void smp_start_cores(void);
 
#else
static inline void smp_attach(void) {}
static inline void smp_start_cores(void) {}
#endif
 
void init_smp(void);
void arch_smp_spin(void);
void smp_send_ipi(unsigned int cpumask, int ipi_num);
void platform_smp_init(int ncpus);
int  platform_smp_start(int cpu, void (*start)(int));
void secondary_init_platform(void);
 
extern unsigned long secondary_run_signal;
 
#define CPUID_TO_MASK(cpu)	(1 << (cpu))
 
#endif