1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef __ASM_SH_SMP_OPS_H 3*4882a593Smuzhiyun #define __ASM_SH_SMP_OPS_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun struct plat_smp_ops { 6*4882a593Smuzhiyun void (*smp_setup)(void); 7*4882a593Smuzhiyun unsigned int (*smp_processor_id)(void); 8*4882a593Smuzhiyun void (*prepare_cpus)(unsigned int max_cpus); 9*4882a593Smuzhiyun void (*start_cpu)(unsigned int cpu, unsigned long entry_point); 10*4882a593Smuzhiyun void (*send_ipi)(unsigned int cpu, unsigned int message); 11*4882a593Smuzhiyun int (*cpu_disable)(unsigned int cpu); 12*4882a593Smuzhiyun void (*cpu_die)(unsigned int cpu); 13*4882a593Smuzhiyun void (*play_dead)(void); 14*4882a593Smuzhiyun }; 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun extern struct plat_smp_ops *mp_ops; 17*4882a593Smuzhiyun extern struct plat_smp_ops shx3_smp_ops; 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #ifdef CONFIG_SMP 20*4882a593Smuzhiyun plat_smp_setup(void)21*4882a593Smuzhiyunstatic inline void plat_smp_setup(void) 22*4882a593Smuzhiyun { 23*4882a593Smuzhiyun BUG_ON(!mp_ops); 24*4882a593Smuzhiyun mp_ops->smp_setup(); 25*4882a593Smuzhiyun } 26*4882a593Smuzhiyun play_dead(void)27*4882a593Smuzhiyunstatic inline void play_dead(void) 28*4882a593Smuzhiyun { 29*4882a593Smuzhiyun mp_ops->play_dead(); 30*4882a593Smuzhiyun } 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun extern void register_smp_ops(struct plat_smp_ops *ops); 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun #else 35*4882a593Smuzhiyun plat_smp_setup(void)36*4882a593Smuzhiyunstatic inline void plat_smp_setup(void) 37*4882a593Smuzhiyun { 38*4882a593Smuzhiyun /* UP, nothing to do ... */ 39*4882a593Smuzhiyun } 40*4882a593Smuzhiyun register_smp_ops(struct plat_smp_ops * ops)41*4882a593Smuzhiyunstatic inline void register_smp_ops(struct plat_smp_ops *ops) 42*4882a593Smuzhiyun { 43*4882a593Smuzhiyun } 44*4882a593Smuzhiyun play_dead(void)45*4882a593Smuzhiyunstatic inline void play_dead(void) 46*4882a593Smuzhiyun { 47*4882a593Smuzhiyun BUG(); 48*4882a593Smuzhiyun } 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun #endif /* CONFIG_SMP */ 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun #endif /* __ASM_SH_SMP_OPS_H */ 53