// 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