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
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