diff options
| -rw-r--r-- | arch/arm/cpu/armv7/s5p4418/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/s5p4418/relocate.S | 24 |
2 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/s5p4418/Makefile b/arch/arm/cpu/armv7/s5p4418/Makefile index 321b257b6d4..58042581c42 100644 --- a/arch/arm/cpu/armv7/s5p4418/Makefile +++ b/arch/arm/cpu/armv7/s5p4418/Makefile @@ -2,5 +2,8 @@ # # (C) Copyright 2016 Nexell # Hyunseok, Jung <hsjung@nexell.co.kr> +# +# Copyright (C) 2023 Stefan Bosch <stefan_b@posteo.net> obj-y += cpu.o +obj-y += relocate.o diff --git a/arch/arm/cpu/armv7/s5p4418/relocate.S b/arch/arm/cpu/armv7/s5p4418/relocate.S new file mode 100644 index 00000000000..d6e76adceb1 --- /dev/null +++ b/arch/arm/cpu/armv7/s5p4418/relocate.S @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * relocate - S5P4418 specific relocation for ARM U-Boot + * + * Copyright (c) 2013 Albert ARIBAUD <albert.u.boot@aribaud.net> + * Copyright (C) 2023 Stefan Bosch <stefan_b@posteo.net> + */ + +#include <asm-offsets.h> +#include <asm/assembler.h> +#include <linux/linkage.h> + +ENTRY(relocate_vectors) + + /* + * The s5p4418 SoC has the security extensions, so use VBAR to relocate + * the exception vectors. + */ + ldr r0, [r9, #GD_RELOCADDR] /* r0 = gd->relocaddr */ + add r0, #0x400 /* vectors are after NSIH + 0x200 */ + mcr p15, 0, r0, c12, c0, 0 /* Set VBAR */ + ret lr + +ENDPROC(relocate_vectors) |