| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 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 | |
| 36 | static inline void plat_smp_setup(void) |
| 37 | { |
| 38 | /* UP, nothing to do ... */ |
| 39 | } |
| 40 | |
| 41 | static inline void register_smp_ops(struct plat_smp_ops *ops) |
| 42 | { |
| 43 | } |
| 44 | |
| 45 | static inline void play_dead(void) |
| 46 | { |
| 47 | BUG(); |
| 48 | } |
| 49 | |
| 50 | #endif /* CONFIG_SMP */ |
| 51 | |
| 52 | #endif /* __ASM_SH_SMP_OPS_H */ |