diff options
Diffstat (limited to 'arch/arm/mach-uniphier/arm64/smp.S')
| -rw-r--r-- | arch/arm/mach-uniphier/arm64/smp.S | 19 |
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 new file mode 100644 index 0000000000..9348ec97c4 --- /dev/null +++ b/arch/arm/mach-uniphier/arm64/smp.S @@ -0,0 +1,19 @@ +/* + * 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) |