1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __ASM_SH_SMP_OPS_H 3 #define __ASM_SH_SMP_OPS_H 4 5 struct plat_smp_ops { 6 void (*smp_setup)(void); 7 unsigned int (*smp_processor_id)(void); 8 void (*prepare_cpus)(unsigned int max_cpus); 9 void (*start_cpu)(unsigned int cpu, unsigned long entry_point); 10 void (*send_ipi)(unsigned int cpu, unsigned int message); 11 int (*cpu_disable)(unsigned int cpu); 12 void (*cpu_die)(unsigned int cpu); 13 void (*play_dead)(void); 14 }; 15 16 extern struct plat_smp_ops *mp_ops; 17 extern struct plat_smp_ops shx3_smp_ops; 18 19 #ifdef CONFIG_SMP 20 plat_smp_setup(void)21static inline void plat_smp_setup(void) 22 { 23 BUG_ON(!mp_ops); 24 mp_ops->smp_setup(); 25 } 26 play_dead(void)27static inline void play_dead(void) 28 { 29 mp_ops->play_dead(); 30 } 31 32 extern void register_smp_ops(struct plat_smp_ops *ops); 33 34 #else 35 plat_smp_setup(void)36static inline void plat_smp_setup(void) 37 { 38 /* UP, nothing to do ... */ 39 } 40 register_smp_ops(struct plat_smp_ops * ops)41static inline void register_smp_ops(struct plat_smp_ops *ops) 42 { 43 } 44 play_dead(void)45static inline void play_dead(void) 46 { 47 BUG(); 48 } 49 50 #endif /* CONFIG_SMP */ 51 52 #endif /* __ASM_SH_SMP_OPS_H */ 53