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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