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1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/arm64/smp.S b/arch/arm/mach-uniphier/arm64/smp.S
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+++ b/arch/arm/mach-uniphier/arm64/smp.S
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+/*
+ * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <linux/linkage.h>
+
+ENTRY(uniphier_smp_setup)
+ mrs x0, s3_1_c15_c2_1 /* CPUECTLR_EL1 */
+ orr x0, x0, #(1 << 6) /* SMPEN */
+ msr s3_1_c15_c2_1, x0
+ ret
+ENDPROC(uniphier_smp_setup)
+
+ENTRY(uniphier_secondary_startup)
+ bl uniphier_smp_setup
+ b _start
+ENDPROC(uniphier_secondary_startup)