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diff --git a/arch/arm/mach-keystone/keystone.h b/arch/arm/mach-keystone/keystone.h
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+++ b/arch/arm/mach-keystone/keystone.h
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+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright 2013 Texas Instruments, Inc.
+ * Cyril Chemparathy <cyril@ti.com>
+ * Santosh Shilimkar <santosh.shillimkar@ti.com>
+ */
+
+#ifndef __KEYSTONE_H__
+#define __KEYSTONE_H__
+
+#define KEYSTONE_MON_CPU_UP_IDX 0x00
+
+#ifndef __ASSEMBLER__
+
+extern const struct smp_operations keystone_smp_ops;
+extern void secondary_startup(void);
+extern u32 keystone_cpu_smc(u32 command, u32 cpu, u32 addr);
+extern int keystone_pm_runtime_init(void);
+
+#endif /* __ASSEMBLER__ */
+#endif /* __KEYSTONE_H__ */