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