projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c51ed4f MD |
1 | /* |
| 2 | * SMP support for R-Mobile / SH-Mobile | |
| 3 | * | |
| 4 | * Copyright (C) 2010 Magnus Damm | |
| c413521e | 5 | * Copyright (C) 2011 Paul Mundt |
| 1c51ed4f MD |
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> | |
| cc61591e MD |
14 | #include <asm/cacheflush.h> |
| 15 | #include <asm/smp_plat.h> | |
| 16 | #include <mach/common.h> | |
| 1c51ed4f | 17 | |
| cc61591e MD |
18 | extern unsigned long shmobile_smp_fn[]; |
| 19 | extern unsigned long shmobile_smp_arg[]; | |
| 20 | extern unsigned long shmobile_smp_mpidr[]; | |
| 21 | ||
| 22 | void 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 | } | |
| 5c4dfcd6 MD |
32 | |
| 33 | #ifdef CONFIG_HOTPLUG_CPU | |
| 34 | int shmobile_smp_cpu_disable(unsigned int cpu) | |
| 35 | { | |
| 36 | return 0; /* Hotplug of any CPU is supported */ | |
| 37 | } | |
| 38 | #endif |