36 строки
851 B
C
36 строки
851 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* SMP support for R-Mobile / SH-Mobile
|
|
*
|
|
* Copyright (C) 2010 Magnus Damm
|
|
* Copyright (C) 2011 Paul Mundt
|
|
*
|
|
* Based on vexpress, Copyright (C) 2002 ARM Ltd, All Rights Reserved
|
|
*/
|
|
#include <linux/init.h>
|
|
#include <asm/cacheflush.h>
|
|
#include <asm/smp_plat.h>
|
|
#include "common.h"
|
|
|
|
extern unsigned long shmobile_smp_fn[];
|
|
extern unsigned long shmobile_smp_arg[];
|
|
extern unsigned long shmobile_smp_mpidr[];
|
|
|
|
void shmobile_smp_hook(unsigned int cpu, unsigned long fn, unsigned long arg)
|
|
{
|
|
shmobile_smp_fn[cpu] = 0;
|
|
flush_cache_all();
|
|
|
|
shmobile_smp_mpidr[cpu] = cpu_logical_map(cpu);
|
|
shmobile_smp_fn[cpu] = fn;
|
|
shmobile_smp_arg[cpu] = arg;
|
|
flush_cache_all();
|
|
}
|
|
|
|
#ifdef CONFIG_HOTPLUG_CPU
|
|
bool shmobile_smp_cpu_can_disable(unsigned int cpu)
|
|
{
|
|
return true; /* Hotplug of any CPU is supported */
|
|
}
|
|
#endif
|