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-rw-r--r--arch/sh/include/asm/smp-ops.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/sh/include/asm/smp-ops.h b/arch/sh/include/asm/smp-ops.h
new file mode 100644
index 000000000..e27702130
--- /dev/null
+++ b/arch/sh/include/asm/smp-ops.h
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_SH_SMP_OPS_H
+#define __ASM_SH_SMP_OPS_H
+
+struct plat_smp_ops {
+ void (*smp_setup)(void);
+ unsigned int (*smp_processor_id)(void);
+ void (*prepare_cpus)(unsigned int max_cpus);
+ void (*start_cpu)(unsigned int cpu, unsigned long entry_point);
+ void (*send_ipi)(unsigned int cpu, unsigned int message);
+ int (*cpu_disable)(unsigned int cpu);
+ void (*cpu_die)(unsigned int cpu);
+ void (*play_dead)(void);
+};
+
+extern struct plat_smp_ops *mp_ops;
+extern struct plat_smp_ops shx3_smp_ops;
+
+#ifdef CONFIG_SMP
+
+static inline void plat_smp_setup(void)
+{
+ BUG_ON(!mp_ops);
+ mp_ops->smp_setup();
+}
+
+static inline void play_dead(void)
+{
+ mp_ops->play_dead();
+}
+
+extern void register_smp_ops(struct plat_smp_ops *ops);
+
+#else
+
+static inline void plat_smp_setup(void)
+{
+ /* UP, nothing to do ... */
+}
+
+static inline void register_smp_ops(struct plat_smp_ops *ops)
+{
+}
+
+static inline void play_dead(void)
+{
+ BUG();
+}
+
+#endif /* CONFIG_SMP */
+
+#endif /* __ASM_SH_SMP_OPS_H */