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 21 static inline void plat_smp_setup(void) 22 { 23 BUG_ON(!mp_ops); 24 mp_ops->smp_setup(); 25 } 26 27 static inline void __noreturn play_dead(void) 28 { 29 mp_ops->play_dead(); 30 BUG(); 31 } 32 33 extern void register_smp_ops(struct plat_smp_ops *ops); 34 35 #else 36 37 static inline void plat_smp_setup(void) 38 { 39 /* UP, nothing to do ... */ 40 } 41 42 static inline void register_smp_ops(struct plat_smp_ops *ops) 43 { 44 } 45 46 static inline void __noreturn play_dead(void) 47 { 48 BUG(); 49 } 50 51 #endif /* CONFIG_SMP */ 52 53 #endif /* __ASM_SH_SMP_OPS_H */ 54