diff options
Diffstat (limited to 'arch/arm/mach-uniphier/arm64')
| -rw-r--r-- | arch/arm/mach-uniphier/arm64/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-uniphier/arm64/lowlevel_init.S | 14 |
2 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/arm64/Makefile b/arch/arm/mach-uniphier/arm64/Makefile index eb34c20..06072f2 100644 --- a/arch/arm/mach-uniphier/arm64/Makefile +++ b/arch/arm/mach-uniphier/arm64/Makefile @@ -9,5 +9,7 @@ obj-y += mem_map.o ifdef CONFIG_ARMV8_MULTIENTRY obj-y += smp.o smp_kick_cpus.o obj-$(CONFIG_ARCH_UNIPHIER_LD20) += arm-cci500.o +else +obj-$(CONFIG_ARCH_UNIPHIER_LD20) += lowlevel_init.o endif endif diff --git a/arch/arm/mach-uniphier/arm64/lowlevel_init.S b/arch/arm/mach-uniphier/arm64/lowlevel_init.S new file mode 100644 index 0000000..e52db1d --- /dev/null +++ b/arch/arm/mach-uniphier/arm64/lowlevel_init.S @@ -0,0 +1,14 @@ +/* + * Copyright (C) 2017 Socionext Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <linux/linkage.h> + +ENTRY(lowlevel_init) + /* LD20 needs the following code to boot. I do not know why. */ + mrs x0, sctlr_el1 + msr sctlr_el1, x0 + ret +ENDPROC(lowlevel_init) |