u-boot/arch/arm/mach-uniphier/arm64/smp.S
Masahiro Yamada 9d0c2ceb35 ARM: uniphier: add PH1-LD20 SoC support
This is the first ARMv8 SoC from Socionext Inc.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-04-24 09:54:08 +09:00

19 lines
409 B
ArmAsm

/*
* 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)