arch/arm/mach-ux500/include/mach/smp.h

/*
 * This file is based ARM realview platform.
 * Copyright (C) ARM Limited.
 *
 * This file is licensed under  the terms of the GNU General Public
 * License version 2. This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */
#ifndef ASMARM_ARCH_SMP_H
#define ASMARM_ARCH_SMP_H

#include <asm/hardware/gic.h>

/* This is required to wakeup the secondary core */
extern void u8500_secondary_startup(void);

#define hard_smp_processor_id()				\
	({						\
		unsigned int cpunum;			\
		__asm__("mrc p15, 0, %0, c0, c0, 5"	\
			: "=r" (cpunum));		\
		cpunum &= 0x0F;				\
	})

/*
 * We use IRQ1 as the IPI
 */
static inline void smp_cross_call(const struct cpumask *mask)
{
	gic_raise_softirq(mask, 1);
}
#endif