1/*
2 * SMP support for R-Mobile / SH-Mobile
3 *
4 * Copyright (C) 2010  Magnus Damm
5 * Copyright (C) 2011  Paul Mundt
6 *
7 * Based on vexpress, Copyright (C) 2002 ARM Ltd, All Rights Reserved
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13#include <linux/init.h>
14#include <asm/cacheflush.h>
15#include <asm/smp_plat.h>
16#include "common.h"
17
18extern unsigned long shmobile_smp_fn[];
19extern unsigned long shmobile_smp_arg[];
20extern unsigned long shmobile_smp_mpidr[];
21
22void shmobile_smp_hook(unsigned int cpu, unsigned long fn, unsigned long arg)
23{
24	shmobile_smp_fn[cpu] = 0;
25	flush_cache_all();
26
27	shmobile_smp_mpidr[cpu] = cpu_logical_map(cpu);
28	shmobile_smp_fn[cpu] = fn;
29	shmobile_smp_arg[cpu] = arg;
30	flush_cache_all();
31}
32
33#ifdef CONFIG_HOTPLUG_CPU
34int shmobile_smp_cpu_disable(unsigned int cpu)
35{
36	return 0; /* Hotplug of any CPU is supported */
37}
38#endif
39