diff options
Diffstat (limited to 'arch/sh/include/asm/smp-ops.h')
-rw-r--r-- | arch/sh/include/asm/smp-ops.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/sh/include/asm/smp-ops.h b/arch/sh/include/asm/smp-ops.h new file mode 100644 index 0000000..c590f76 --- /dev/null +++ b/arch/sh/include/asm/smp-ops.h @@ -0,0 +1,51 @@ +#ifndef __ASM_SH_SMP_OPS_H +#define __ASM_SH_SMP_OPS_H + +struct plat_smp_ops { + void (*smp_setup)(void); + unsigned int (*smp_processor_id)(void); + void (*prepare_cpus)(unsigned int max_cpus); + void (*start_cpu)(unsigned int cpu, unsigned long entry_point); + void (*send_ipi)(unsigned int cpu, unsigned int message); + int (*cpu_disable)(unsigned int cpu); + void (*cpu_die)(unsigned int cpu); + void (*play_dead)(void); +}; + +extern struct plat_smp_ops *mp_ops; +extern struct plat_smp_ops shx3_smp_ops; + +#ifdef CONFIG_SMP + +static inline void plat_smp_setup(void) +{ + BUG_ON(!mp_ops); + mp_ops->smp_setup(); +} + +static inline void play_dead(void) +{ + mp_ops->play_dead(); +} + +extern void register_smp_ops(struct plat_smp_ops *ops); + +#else + +static inline void plat_smp_setup(void) +{ + /* UP, nothing to do ... */ +} + +static inline void register_smp_ops(struct plat_smp_ops *ops) +{ +} + +static inline void play_dead(void) +{ + BUG(); +} + +#endif /* CONFIG_SMP */ + +#endif /* __ASM_SH_SMP_OPS_H */ |